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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
71e16022 | 4 | * HTTP routines for CUPS. |
ef416fc2 | 5 | * |
db8b865d | 6 | * Copyright 2007-2013 by Apple Inc. |
b86bc4cf | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
f7deaa1a | 9 | * This file contains Kerberos support code, copyright 2006 by |
10 | * Jelmer Vernooij. | |
11 | * | |
ef416fc2 | 12 | * These coded instructions, statements, and computer programs are the |
bc44d920 | 13 | * property of Apple Inc. and are protected by Federal copyright |
14 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
15 | * which should have been included with this file. If this file is | |
16 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 17 | * |
18 | * This file is subject to the Apple OS-Developed Software exception. | |
19 | * | |
20 | * Contents: | |
21 | * | |
a469f8a5 MS |
22 | * httpAcceptConnection() - Accept a new HTTP client connection from |
23 | * the specified listening socket. | |
24 | * httpAddCredential() - Allocates and adds a single credential to | |
25 | * an array. | |
26 | * _httpBIOMethods() - Get the OpenSSL BIO methods for HTTP | |
27 | * connections. | |
28 | * httpBlocking() - Set blocking/non-blocking behavior on a | |
29 | * connection. | |
30 | * httpCheck() - Check to see if there is a pending response | |
31 | * from the server. | |
32 | * httpClearCookie() - Clear the cookie value(s). | |
33 | * httpClearFields() - Clear HTTP request fields. | |
34 | * httpClose() - Close an HTTP connection. | |
35 | * httpConnect() - Connect to a HTTP server. | |
36 | * httpConnect2() - Connect to a HTTP server. | |
37 | * httpConnectEncrypt() - Connect to a HTTP server using encryption. | |
38 | * httpCopyCredentials() - Copy the credentials associated with an | |
39 | * encrypted connection. | |
a469f8a5 MS |
40 | * _httpCreateCredentials() - Create credentials in the internal format. |
41 | * httpDelete() - Send a DELETE request to the server. | |
42 | * _httpDisconnect() - Disconnect a HTTP connection. | |
43 | * httpEncryption() - Set the required encryption on the link. | |
44 | * httpError() - Get the last error on a connection. | |
45 | * httpFlush() - Flush data from a HTTP connection. | |
46 | * httpFlushWrite() - Flush data in write buffer. | |
47 | * _httpFreeCredentials() - Free internal credentials. | |
48 | * httpFreeCredentials() - Free an array of credentials. | |
49 | * httpGet() - Send a GET request to the server. | |
a469f8a5 MS |
50 | * httpGetAuthString() - Get the current authorization string. |
51 | * httpGetBlocking() - Get the blocking/non-block state of a | |
52 | * connection. | |
6961465f MS |
53 | * httpGetContentEncoding() - Get a common content encoding, if any, |
54 | * between the client and server. | |
a469f8a5 | 55 | * httpGetCookie() - Get any cookie data from the response. |
0fa6c7fa | 56 | * httpGetExpect() - Get the value of the Expect header, if any. |
a469f8a5 MS |
57 | * httpGetFd() - Get the file descriptor associated with a |
58 | * connection. | |
59 | * httpGetField() - Get a field value from a request/response. | |
60 | * httpGetLength() - Get the amount of data remaining from the | |
61 | * content-length or transfer-encoding fields. | |
62 | * httpGetLength2() - Get the amount of data remaining from the | |
63 | * content-length or transfer-encoding fields. | |
64 | * httpGets() - Get a line of text from a HTTP connection. | |
65 | * httpGetState() - Get the current state of the HTTP request. | |
66 | * httpGetStatus() - Get the status of the last HTTP request. | |
67 | * httpGetSubField() - Get a sub-field value. | |
68 | * httpGetSubField2() - Get a sub-field value. | |
69 | * httpGetVersion() - Get the HTTP version at the other end. | |
70 | * httpHead() - Send a HEAD request to the server. | |
71 | * httpInitialize() - Initialize the HTTP interface library and | |
72 | * set the default HTTP proxy (if any). | |
73 | * httpOptions() - Send an OPTIONS request to the server. | |
74 | * httpPeek() - Peek at data from a HTTP connection. | |
75 | * httpPost() - Send a POST request to the server. | |
76 | * httpPrintf() - Print a formatted string to a HTTP | |
77 | * connection. | |
78 | * httpPut() - Send a PUT request to the server. | |
79 | * httpRead() - Read data from a HTTP connection. | |
80 | * httpRead2() - Read data from a HTTP connection. | |
81 | * _httpReadCDSA() - Read function for the CDSA library. | |
82 | * _httpReadGNUTLS() - Read function for the GNU TLS library. | |
83 | * httpReadRequest() - Read a HTTP request from a connection. | |
84 | * httpReconnect() - Reconnect to a HTTP server. | |
85 | * httpReconnect2() - Reconnect to a HTTP server with timeout and | |
86 | * optional cancel. | |
87 | * httpSetAuthString() - Set the current authorization string. | |
88 | * httpSetCredentials() - Set the credentials associated with an | |
89 | * encrypted connection. | |
90 | * httpSetCookie() - Set the cookie value(s). | |
0fa6c7fa | 91 | * httpSetDefaultField() - Set the default value of an HTTP header. |
a469f8a5 MS |
92 | * httpSetExpect() - Set the Expect: header in a request. |
93 | * httpSetField() - Set the value of an HTTP header. | |
94 | * httpSetLength() - Set the content-length and | |
95 | * content-encoding. | |
96 | * httpSetTimeout() - Set read/write timeouts and an optional | |
97 | * callback. | |
98 | * httpTrace() - Send an TRACE request to the server. | |
99 | * _httpUpdate() - Update the current HTTP status for incoming | |
100 | * data. | |
101 | * httpUpdate() - Update the current HTTP state for incoming | |
102 | * data. | |
103 | * _httpWait() - Wait for data available on a connection (no | |
104 | * flush). | |
105 | * httpWait() - Wait for data available on a connection. | |
106 | * httpWrite() - Write data to a HTTP connection. | |
107 | * httpWrite2() - Write data to a HTTP connection. | |
108 | * _httpWriteCDSA() - Write function for the CDSA library. | |
109 | * _httpWriteGNUTLS() - Write function for the GNU TLS library. | |
110 | * httpWriteResponse() - Write a HTTP response to a client | |
111 | * connection. | |
112 | * http_bio_ctrl() - Control the HTTP connection. | |
113 | * http_bio_free() - Free OpenSSL data. | |
114 | * http_bio_new() - Initialize an OpenSSL BIO structure. | |
115 | * http_bio_puts() - Send a string for OpenSSL. | |
116 | * http_bio_read() - Read data for OpenSSL. | |
117 | * http_bio_write() - Write data for OpenSSL. | |
118 | * http_content_coding_finish() - Finish doing any content encoding. | |
119 | * http_content_coding_start() - Start doing content encoding. | |
db8b865d | 120 | * http_create() - Create an unconnected HTTP connection. |
a469f8a5 MS |
121 | * http_debug_hex() - Do a hex dump of a buffer. |
122 | * http_field() - Return the field index for a field name. | |
0fa6c7fa MS |
123 | * http_read() - Read a buffer from a HTTP connection. |
124 | * http_read_buffered() - Do a buffered read from a HTTP connection. | |
125 | * http_read_chunk() - Read a chunk from a HTTP connection. | |
a469f8a5 MS |
126 | * http_read_ssl() - Read from a SSL/TLS connection. |
127 | * http_send() - Send a request with all fields and the | |
128 | * trailing blank line. | |
129 | * http_set_credentials() - Set the SSL/TLS credentials. | |
0fa6c7fa MS |
130 | * http_set_length() - Set the data_encoding and data_remaining |
131 | * values. | |
a469f8a5 MS |
132 | * http_set_timeout() - Set the socket timeout values. |
133 | * http_set_wait() - Set the default wait value for reads. | |
134 | * http_setup_ssl() - Set up SSL/TLS support on a connection. | |
135 | * http_shutdown_ssl() - Shut down SSL/TLS on a connection. | |
cb7f98ee MS |
136 | * http_state_string() - Return the string associated with a given |
137 | * HTTP state. | |
a469f8a5 MS |
138 | * http_upgrade() - Force upgrade to TLS encryption. |
139 | * http_write() - Write a buffer to a HTTP connection. | |
140 | * http_write_chunk() - Write a chunked buffer. | |
141 | * http_write_ssl() - Write to a SSL/TLS connection. | |
ef416fc2 | 142 | */ |
143 | ||
144 | /* | |
145 | * Include necessary headers... | |
146 | */ | |
147 | ||
71e16022 | 148 | #include "cups-private.h" |
ef416fc2 | 149 | #include <fcntl.h> |
83e08001 | 150 | #include <math.h> |
cc754834 MS |
151 | #ifdef WIN32 |
152 | # include <tchar.h> | |
153 | #else | |
ef416fc2 | 154 | # include <signal.h> |
155 | # include <sys/time.h> | |
156 | # include <sys/resource.h> | |
cc754834 | 157 | #endif /* WIN32 */ |
f7deaa1a | 158 | #ifdef HAVE_POLL |
dcb445bc | 159 | # include <poll.h> |
f7deaa1a | 160 | #endif /* HAVE_POLL */ |
ef416fc2 | 161 | |
162 | ||
ef416fc2 | 163 | /* |
164 | * Local functions... | |
165 | */ | |
166 | ||
a469f8a5 MS |
167 | #ifdef HAVE_LIBZ |
168 | static void http_content_coding_finish(http_t *http); | |
169 | static void http_content_coding_start(http_t *http, | |
170 | const char *value); | |
171 | #endif /* HAVE_LIBZ */ | |
db8b865d MS |
172 | static http_t *http_create(const char *host, int port, |
173 | http_addrlist_t *addrlist, int family, | |
174 | http_encryption_t encryption, | |
175 | int blocking, _http_mode_t mode); | |
ae71f5de MS |
176 | #ifdef DEBUG |
177 | static void http_debug_hex(const char *prefix, const char *buffer, | |
178 | int bytes); | |
179 | #endif /* DEBUG */ | |
ef416fc2 | 180 | static http_field_t http_field(const char *name); |
0fa6c7fa MS |
181 | static ssize_t http_read(http_t *http, char *buffer, size_t length); |
182 | static ssize_t http_read_buffered(http_t *http, char *buffer, size_t length); | |
183 | static ssize_t http_read_chunk(http_t *http, char *buffer, size_t length); | |
ef416fc2 | 184 | static int http_send(http_t *http, http_state_t request, |
185 | const char *uri); | |
0fa6c7fa MS |
186 | static ssize_t http_write(http_t *http, const char *buffer, |
187 | size_t length); | |
188 | static ssize_t http_write_chunk(http_t *http, const char *buffer, | |
189 | size_t length); | |
ef416fc2 | 190 | #ifdef HAVE_SSL |
191 | static int http_read_ssl(http_t *http, char *buf, int len); | |
c1420c87 | 192 | # ifdef HAVE_CDSASSL |
7cf5915e | 193 | static int http_set_credentials(http_t *http); |
c1420c87 | 194 | # endif /* HAVE_CDSASSL */ |
d7225fc2 | 195 | #endif /* HAVE_SSL */ |
a469f8a5 | 196 | static off_t http_set_length(http_t *http); |
85dda01c MS |
197 | static void http_set_timeout(int fd, double timeout); |
198 | static void http_set_wait(http_t *http); | |
cb7f98ee MS |
199 | #ifdef DEBUG |
200 | static const char *http_state_string(http_state_t state); | |
201 | #endif /* DEBUG */ | |
d7225fc2 | 202 | #ifdef HAVE_SSL |
ef416fc2 | 203 | static int http_setup_ssl(http_t *http); |
204 | static void http_shutdown_ssl(http_t *http); | |
205 | static int http_upgrade(http_t *http); | |
206 | static int http_write_ssl(http_t *http, const char *buf, int len); | |
207 | #endif /* HAVE_SSL */ | |
208 | ||
209 | ||
210 | /* | |
211 | * Local globals... | |
212 | */ | |
213 | ||
214 | static const char * const http_fields[] = | |
215 | { | |
216 | "Accept-Language", | |
217 | "Accept-Ranges", | |
218 | "Authorization", | |
219 | "Connection", | |
220 | "Content-Encoding", | |
221 | "Content-Language", | |
222 | "Content-Length", | |
223 | "Content-Location", | |
224 | "Content-MD5", | |
225 | "Content-Range", | |
226 | "Content-Type", | |
227 | "Content-Version", | |
228 | "Date", | |
229 | "Host", | |
230 | "If-Modified-Since", | |
231 | "If-Unmodified-since", | |
232 | "Keep-Alive", | |
233 | "Last-Modified", | |
234 | "Link", | |
235 | "Location", | |
236 | "Range", | |
237 | "Referer", | |
238 | "Retry-After", | |
239 | "Transfer-Encoding", | |
240 | "Upgrade", | |
241 | "User-Agent", | |
a469f8a5 MS |
242 | "WWW-Authenticate", |
243 | "Accept-Encoding", | |
244 | "Allow", | |
245 | "Server" | |
ef416fc2 | 246 | }; |
247 | ||
248 | ||
411affcf | 249 | #if defined(HAVE_SSL) && defined(HAVE_LIBSSL) |
250 | /* | |
251 | * BIO methods for OpenSSL... | |
252 | */ | |
253 | ||
254 | static int http_bio_write(BIO *h, const char *buf, int num); | |
255 | static int http_bio_read(BIO *h, char *buf, int size); | |
256 | static int http_bio_puts(BIO *h, const char *str); | |
257 | static long http_bio_ctrl(BIO *h, int cmd, long arg1, void *arg2); | |
258 | static int http_bio_new(BIO *h); | |
259 | static int http_bio_free(BIO *data); | |
260 | ||
261 | static BIO_METHOD http_bio_methods = | |
262 | { | |
263 | BIO_TYPE_SOCKET, | |
264 | "http", | |
265 | http_bio_write, | |
266 | http_bio_read, | |
267 | http_bio_puts, | |
268 | NULL, /* http_bio_gets, */ | |
269 | http_bio_ctrl, | |
270 | http_bio_new, | |
271 | http_bio_free, | |
272 | NULL, | |
273 | }; | |
7cf5915e | 274 | #endif /* HAVE_SSL && HAVE_LIBSSL */ |
411affcf | 275 | |
276 | ||
a469f8a5 MS |
277 | /* |
278 | * 'httpAcceptConnection()' - Accept a new HTTP client connection from the | |
279 | * specified listening socket. | |
280 | * | |
9c0e8e5d | 281 | * @since CUPS 1.7/OS X 10.9@ |
a469f8a5 MS |
282 | */ |
283 | ||
284 | http_t * /* O - HTTP connection or @code NULL@ */ | |
285 | httpAcceptConnection(int fd, /* I - Listen socket file descriptor */ | |
286 | int blocking) /* I - 1 if the connection should be | |
287 | blocking, 0 otherwise */ | |
288 | { | |
289 | http_t *http; /* HTTP connection */ | |
290 | http_addrlist_t addrlist; /* Dummy address list */ | |
291 | socklen_t addrlen; /* Length of address */ | |
292 | int val; /* Socket option value */ | |
293 | ||
294 | ||
295 | /* | |
296 | * Range check input... | |
297 | */ | |
298 | ||
299 | if (fd < 0) | |
300 | return (NULL); | |
301 | ||
302 | /* | |
303 | * Create the client connection... | |
304 | */ | |
305 | ||
306 | memset(&addrlist, 0, sizeof(addrlist)); | |
307 | ||
db8b865d | 308 | if ((http = http_create(NULL, 0, &addrlist, AF_UNSPEC, |
a469f8a5 MS |
309 | HTTP_ENCRYPTION_IF_REQUESTED, blocking, |
310 | _HTTP_MODE_SERVER)) == NULL) | |
311 | return (NULL); | |
312 | ||
313 | /* | |
314 | * Accept the client and get the remote address... | |
315 | */ | |
316 | ||
317 | addrlen = sizeof(http_addr_t); | |
318 | ||
319 | if ((http->fd = accept(fd, (struct sockaddr *)&(http->addrlist->addr), | |
320 | &addrlen)) < 0) | |
321 | { | |
322 | _cupsSetHTTPError(HTTP_STATUS_ERROR); | |
323 | httpClose(http); | |
324 | ||
325 | return (NULL); | |
326 | } | |
327 | ||
328 | httpAddrString(&(http->addrlist->addr), http->hostname, | |
329 | sizeof(http->hostname)); | |
330 | ||
331 | #ifdef SO_NOSIGPIPE | |
332 | /* | |
333 | * Disable SIGPIPE for this socket. | |
334 | */ | |
335 | ||
336 | val = 1; | |
db8b865d | 337 | setsockopt(http->fd, SOL_SOCKET, SO_NOSIGPIPE, CUPS_SOCAST &val, sizeof(val)); |
a469f8a5 MS |
338 | #endif /* SO_NOSIGPIPE */ |
339 | ||
340 | /* | |
341 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
342 | * with a slow loopback interface. Since we write large buffers | |
343 | * when sending print files and requests, there shouldn't be any | |
344 | * performance penalty for this... | |
345 | */ | |
346 | ||
347 | val = 1; | |
db8b865d | 348 | setsockopt(http->fd, IPPROTO_TCP, TCP_NODELAY, CUPS_SOCAST &val, sizeof(val)); |
a469f8a5 MS |
349 | |
350 | #ifdef FD_CLOEXEC | |
351 | /* | |
352 | * Close this socket when starting another process... | |
353 | */ | |
354 | ||
355 | fcntl(http->fd, F_SETFD, FD_CLOEXEC); | |
356 | #endif /* FD_CLOEXEC */ | |
357 | ||
358 | return (http); | |
359 | } | |
360 | ||
361 | ||
7cf5915e MS |
362 | /* |
363 | * 'httpAddCredential()' - Allocates and adds a single credential to an array. | |
364 | * | |
365 | * Use @code cupsArrayNew(NULL, NULL)@ to create a credentials array. | |
366 | * | |
f3c17241 | 367 | * @since CUPS 1.5/OS X 10.7@ |
7cf5915e MS |
368 | */ |
369 | ||
370 | int /* O - 0 on success, -1 on error */ | |
371 | httpAddCredential( | |
372 | cups_array_t *credentials, /* I - Credentials array */ | |
373 | const void *data, /* I - PEM-encoded X.509 data */ | |
374 | size_t datalen) /* I - Length of data */ | |
375 | { | |
376 | http_credential_t *credential; /* Credential data */ | |
377 | ||
378 | ||
379 | if ((credential = malloc(sizeof(http_credential_t))) != NULL) | |
380 | { | |
381 | credential->datalen = datalen; | |
382 | ||
383 | if ((credential->data = malloc(datalen)) != NULL) | |
384 | { | |
385 | memcpy(credential->data, data, datalen); | |
386 | cupsArrayAdd(credentials, credential); | |
387 | return (0); | |
388 | } | |
389 | ||
390 | free(credential); | |
391 | } | |
392 | ||
393 | return (-1); | |
394 | } | |
395 | ||
396 | ||
397 | #if defined(HAVE_SSL) && defined(HAVE_LIBSSL) | |
411affcf | 398 | /* |
399 | * '_httpBIOMethods()' - Get the OpenSSL BIO methods for HTTP connections. | |
400 | */ | |
401 | ||
402 | BIO_METHOD * /* O - BIO methods for OpenSSL */ | |
403 | _httpBIOMethods(void) | |
404 | { | |
405 | return (&http_bio_methods); | |
406 | } | |
407 | #endif /* HAVE_SSL && HAVE_LIBSSL */ | |
408 | ||
409 | ||
ecdc0628 | 410 | /* |
411 | * 'httpBlocking()' - Set blocking/non-blocking behavior on a connection. | |
412 | */ | |
413 | ||
414 | void | |
568fa3fa | 415 | httpBlocking(http_t *http, /* I - Connection to server */ |
ecdc0628 | 416 | int b) /* I - 1 = blocking, 0 = non-blocking */ |
417 | { | |
418 | if (http) | |
85dda01c | 419 | { |
ecdc0628 | 420 | http->blocking = b; |
85dda01c MS |
421 | http_set_wait(http); |
422 | } | |
ecdc0628 | 423 | } |
424 | ||
425 | ||
ef416fc2 | 426 | /* |
427 | * 'httpCheck()' - Check to see if there is a pending response from the server. | |
428 | */ | |
429 | ||
ecdc0628 | 430 | int /* O - 0 = no data, 1 = data available */ |
568fa3fa | 431 | httpCheck(http_t *http) /* I - Connection to server */ |
ef416fc2 | 432 | { |
433 | return (httpWait(http, 0)); | |
434 | } | |
435 | ||
436 | ||
437 | /* | |
438 | * 'httpClearCookie()' - Clear the cookie value(s). | |
439 | * | |
f3c17241 | 440 | * @since CUPS 1.1.19/OS X 10.3@ |
ef416fc2 | 441 | */ |
442 | ||
443 | void | |
568fa3fa | 444 | httpClearCookie(http_t *http) /* I - Connection to server */ |
ef416fc2 | 445 | { |
446 | if (!http) | |
447 | return; | |
448 | ||
449 | if (http->cookie) | |
450 | { | |
451 | free(http->cookie); | |
452 | http->cookie = NULL; | |
453 | } | |
454 | } | |
455 | ||
456 | ||
ecdc0628 | 457 | /* |
458 | * 'httpClearFields()' - Clear HTTP request fields. | |
459 | */ | |
460 | ||
461 | void | |
568fa3fa | 462 | httpClearFields(http_t *http) /* I - Connection to server */ |
ecdc0628 | 463 | { |
a469f8a5 MS |
464 | DEBUG_printf(("httpClearFields(http=%p)", http)); |
465 | ||
ecdc0628 | 466 | if (http) |
467 | { | |
468 | memset(http->fields, 0, sizeof(http->fields)); | |
a469f8a5 MS |
469 | |
470 | if (http->mode == _HTTP_MODE_CLIENT) | |
471 | { | |
472 | if (http->hostname[0] == '/') | |
473 | httpSetField(http, HTTP_FIELD_HOST, "localhost"); | |
474 | else | |
475 | httpSetField(http, HTTP_FIELD_HOST, http->hostname); | |
476 | } | |
b423cd4c | 477 | |
f7deaa1a | 478 | if (http->field_authorization) |
479 | { | |
480 | free(http->field_authorization); | |
481 | http->field_authorization = NULL; | |
482 | } | |
483 | ||
a469f8a5 MS |
484 | if (http->accept_encoding) |
485 | { | |
486 | _cupsStrFree(http->accept_encoding); | |
487 | http->accept_encoding = NULL; | |
488 | } | |
489 | ||
490 | if (http->allow) | |
491 | { | |
492 | _cupsStrFree(http->allow); | |
493 | http->allow = NULL; | |
494 | } | |
495 | ||
496 | if (http->server) | |
497 | { | |
498 | _cupsStrFree(http->server); | |
499 | http->server = NULL; | |
500 | } | |
501 | ||
b423cd4c | 502 | http->expect = (http_status_t)0; |
ecdc0628 | 503 | } |
504 | } | |
505 | ||
506 | ||
ef416fc2 | 507 | /* |
6d2f911b | 508 | * 'httpClose()' - Close an HTTP connection. |
ef416fc2 | 509 | */ |
510 | ||
511 | void | |
568fa3fa | 512 | httpClose(http_t *http) /* I - Connection to server */ |
ef416fc2 | 513 | { |
f7deaa1a | 514 | #ifdef HAVE_GSSAPI |
1f0275e3 | 515 | OM_uint32 minor_status; /* Minor status code */ |
f7deaa1a | 516 | #endif /* HAVE_GSSAPI */ |
517 | ||
518 | ||
e07d4801 | 519 | DEBUG_printf(("httpClose(http=%p)", http)); |
ef416fc2 | 520 | |
6d2f911b MS |
521 | /* |
522 | * Range check input... | |
523 | */ | |
524 | ||
ef416fc2 | 525 | if (!http) |
526 | return; | |
527 | ||
6d2f911b MS |
528 | /* |
529 | * Close any open connection... | |
530 | */ | |
531 | ||
532 | _httpDisconnect(http); | |
533 | ||
534 | /* | |
535 | * Free memory used... | |
536 | */ | |
537 | ||
ef416fc2 | 538 | httpAddrFreeList(http->addrlist); |
539 | ||
ef416fc2 | 540 | if (http->cookie) |
541 | free(http->cookie); | |
542 | ||
f7deaa1a | 543 | #ifdef HAVE_GSSAPI |
544 | if (http->gssctx != GSS_C_NO_CONTEXT) | |
1f0275e3 | 545 | gss_delete_sec_context(&minor_status, &http->gssctx, GSS_C_NO_BUFFER); |
f7deaa1a | 546 | |
547 | if (http->gssname != GSS_C_NO_NAME) | |
1f0275e3 | 548 | gss_release_name(&minor_status, &http->gssname); |
f7deaa1a | 549 | #endif /* HAVE_GSSAPI */ |
550 | ||
b94498cf | 551 | #ifdef HAVE_AUTHORIZATION_H |
552 | if (http->auth_ref) | |
553 | AuthorizationFree(http->auth_ref, kAuthorizationFlagDefaults); | |
554 | #endif /* HAVE_AUTHORIZATION_H */ | |
555 | ||
f7deaa1a | 556 | httpClearFields(http); |
557 | ||
558 | if (http->authstring && http->authstring != http->_authstring) | |
559 | free(http->authstring); | |
560 | ||
ef416fc2 | 561 | free(http); |
562 | } | |
563 | ||
564 | ||
565 | /* | |
566 | * 'httpConnect()' - Connect to a HTTP server. | |
1ff0402e | 567 | * |
a469f8a5 | 568 | * This function is deprecated - use @link httpConnect2@ instead. |
1ff0402e MS |
569 | * |
570 | * @deprecated@ | |
ef416fc2 | 571 | */ |
572 | ||
573 | http_t * /* O - New HTTP connection */ | |
574 | httpConnect(const char *host, /* I - Host to connect to */ | |
575 | int port) /* I - Port number */ | |
576 | { | |
cb7f98ee | 577 | return (httpConnect2(host, port, NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, |
a469f8a5 | 578 | 1, 30000, NULL)); |
1ff0402e MS |
579 | } |
580 | ||
581 | ||
582 | /* | |
a469f8a5 MS |
583 | * 'httpConnect2()' - Connect to a HTTP server. |
584 | * | |
9c0e8e5d | 585 | * @since CUPS 1.7/OS X 10.9@ |
1ff0402e MS |
586 | */ |
587 | ||
588 | http_t * /* O - New HTTP connection */ | |
a469f8a5 | 589 | httpConnect2( |
1ff0402e MS |
590 | const char *host, /* I - Host to connect to */ |
591 | int port, /* I - Port number */ | |
a469f8a5 MS |
592 | http_addrlist_t *addrlist, /* I - List of addresses or NULL to lookup */ |
593 | int family, /* I - Address family to use or @code AF_UNSPEC@ for any */ | |
594 | http_encryption_t encryption, /* I - Type of encryption to use */ | |
595 | int blocking, /* I - 1 for blocking connection, 0 for non-blocking */ | |
db8b865d | 596 | int msec, /* I - Connection timeout in milliseconds, 0 means don't connect */ |
a469f8a5 | 597 | int *cancel) /* I - Pointer to "cancel" variable */ |
1ff0402e MS |
598 | { |
599 | http_t *http; /* New HTTP connection */ | |
ef416fc2 | 600 | |
601 | ||
a469f8a5 MS |
602 | DEBUG_printf(("httpConnect2(host=\"%s\", port=%d, addrlist=%p, family=%d, " |
603 | "encryption=%d, blocking=%d, msec=%d, cancel=%p)", host, port, | |
604 | addrlist, family, encryption, blocking, msec, cancel)); | |
1ff0402e | 605 | |
ef416fc2 | 606 | /* |
1ff0402e | 607 | * Create the HTTP structure... |
ef416fc2 | 608 | */ |
609 | ||
db8b865d | 610 | if ((http = http_create(host, port, addrlist, family, encryption, blocking, |
a469f8a5 | 611 | _HTTP_MODE_CLIENT)) == NULL) |
1ff0402e | 612 | return (NULL); |
ef416fc2 | 613 | |
1ff0402e | 614 | /* |
db8b865d | 615 | * Optionally connect to the remote system... |
1ff0402e MS |
616 | */ |
617 | ||
db8b865d | 618 | if (msec == 0 || !httpReconnect2(http, msec, cancel)) |
1ff0402e MS |
619 | return (http); |
620 | ||
621 | /* | |
622 | * Could not connect to any known address - bail out! | |
623 | */ | |
624 | ||
a469f8a5 | 625 | httpClose(http); |
1ff0402e MS |
626 | |
627 | return (NULL); | |
ef416fc2 | 628 | } |
629 | ||
630 | ||
a469f8a5 MS |
631 | /* |
632 | * 'httpConnectEncrypt()' - Connect to a HTTP server using encryption. | |
633 | * | |
634 | * This function is now deprecated. Please use the @link httpConnect2@ function | |
635 | * instead. | |
636 | * | |
637 | * @deprecated@ | |
638 | */ | |
639 | ||
640 | http_t * /* O - New HTTP connection */ | |
641 | httpConnectEncrypt( | |
642 | const char *host, /* I - Host to connect to */ | |
643 | int port, /* I - Port number */ | |
644 | http_encryption_t encryption) /* I - Type of encryption to use */ | |
645 | { | |
646 | DEBUG_printf(("httpConnectEncrypt(host=\"%s\", port=%d, encryption=%d)", | |
647 | host, port, encryption)); | |
648 | ||
649 | return (httpConnect2(host, port, NULL, AF_UNSPEC, encryption, 1, 30000, | |
650 | NULL)); | |
651 | } | |
652 | ||
653 | ||
7cf5915e MS |
654 | /* |
655 | * 'httpCopyCredentials()' - Copy the credentials associated with an encrypted | |
656 | * connection. | |
657 | * | |
f3c17241 | 658 | * @since CUPS 1.5/OS X 10.7@ |
7cf5915e MS |
659 | */ |
660 | ||
661 | int /* O - Status of call (0 = success) */ | |
662 | httpCopyCredentials( | |
663 | http_t *http, /* I - Connection to server */ | |
664 | cups_array_t **credentials) /* O - Array of credentials */ | |
665 | { | |
666 | # ifdef HAVE_LIBSSL | |
667 | # elif defined(HAVE_GNUTLS) | |
c1420c87 | 668 | # elif defined(HAVE_CDSASSL) |
7cf5915e | 669 | OSStatus error; /* Error code */ |
c1420c87 | 670 | SecTrustRef peerTrust; /* Peer trust reference */ |
7cf5915e | 671 | CFIndex count; /* Number of credentials */ |
7cf5915e MS |
672 | SecCertificateRef secCert; /* Certificate reference */ |
673 | CFDataRef data; /* Certificate data */ | |
674 | int i; /* Looping var */ | |
675 | # elif defined(HAVE_SSPISSL) | |
676 | # endif /* HAVE_LIBSSL */ | |
677 | ||
678 | ||
679 | if (credentials) | |
680 | *credentials = NULL; | |
681 | ||
682 | if (!http || !http->tls || !credentials) | |
683 | return (-1); | |
684 | ||
685 | # ifdef HAVE_LIBSSL | |
686 | return (-1); | |
687 | ||
688 | # elif defined(HAVE_GNUTLS) | |
689 | return (-1); | |
690 | ||
c1420c87 MS |
691 | # elif defined(HAVE_CDSASSL) |
692 | if (!(error = SSLCopyPeerTrust(http->tls, &peerTrust)) && peerTrust) | |
7cf5915e MS |
693 | { |
694 | if ((*credentials = cupsArrayNew(NULL, NULL)) != NULL) | |
695 | { | |
c1420c87 MS |
696 | count = SecTrustGetCertificateCount(peerTrust); |
697 | ||
698 | for (i = 0; i < count; i ++) | |
7cf5915e | 699 | { |
c1420c87 | 700 | secCert = SecTrustGetCertificateAtIndex(peerTrust, i); |
7cf5915e MS |
701 | if ((data = SecCertificateCopyData(secCert))) |
702 | { | |
703 | httpAddCredential(*credentials, CFDataGetBytePtr(data), | |
704 | CFDataGetLength(data)); | |
705 | CFRelease(data); | |
706 | } | |
707 | } | |
708 | } | |
709 | ||
c1420c87 | 710 | CFRelease(peerTrust); |
7cf5915e MS |
711 | } |
712 | ||
713 | return (error); | |
714 | ||
715 | # elif defined(HAVE_SSPISSL) | |
716 | return (-1); | |
82f97232 MS |
717 | |
718 | # else | |
719 | return (-1); | |
7cf5915e MS |
720 | # endif /* HAVE_LIBSSL */ |
721 | } | |
722 | ||
723 | ||
85dda01c MS |
724 | /* |
725 | * '_httpCreateCredentials()' - Create credentials in the internal format. | |
726 | */ | |
727 | ||
728 | http_tls_credentials_t /* O - Internal credentials */ | |
729 | _httpCreateCredentials( | |
730 | cups_array_t *credentials) /* I - Array of credentials */ | |
731 | { | |
732 | if (!credentials) | |
733 | return (NULL); | |
734 | ||
735 | # ifdef HAVE_LIBSSL | |
736 | return (NULL); | |
737 | ||
738 | # elif defined(HAVE_GNUTLS) | |
739 | return (NULL); | |
740 | ||
c1420c87 | 741 | # elif defined(HAVE_CDSASSL) |
85dda01c MS |
742 | CFMutableArrayRef peerCerts; /* Peer credentials reference */ |
743 | SecCertificateRef secCert; /* Certificate reference */ | |
744 | CFDataRef data; /* Credential data reference */ | |
745 | http_credential_t *credential; /* Credential data */ | |
746 | ||
747 | ||
748 | if ((peerCerts = CFArrayCreateMutable(kCFAllocatorDefault, | |
749 | cupsArrayCount(credentials), | |
750 | &kCFTypeArrayCallBacks)) == NULL) | |
751 | return (NULL); | |
752 | ||
753 | for (credential = (http_credential_t *)cupsArrayFirst(credentials); | |
754 | credential; | |
755 | credential = (http_credential_t *)cupsArrayNext(credentials)) | |
756 | { | |
757 | if ((data = CFDataCreate(kCFAllocatorDefault, credential->data, | |
758 | credential->datalen))) | |
759 | { | |
760 | if ((secCert = SecCertificateCreateWithData(kCFAllocatorDefault, data)) | |
761 | != NULL) | |
762 | { | |
763 | CFArrayAppendValue(peerCerts, secCert); | |
764 | CFRelease(secCert); | |
765 | } | |
766 | ||
767 | CFRelease(data); | |
768 | } | |
769 | } | |
770 | ||
771 | return (peerCerts); | |
772 | ||
773 | # elif defined(HAVE_SSPISSL) | |
774 | return (NULL); | |
775 | ||
776 | # else | |
777 | return (NULL); | |
778 | # endif /* HAVE_LIBSSL */ | |
779 | } | |
780 | ||
781 | ||
ef416fc2 | 782 | /* |
783 | * 'httpDelete()' - Send a DELETE request to the server. | |
784 | */ | |
785 | ||
786 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 787 | httpDelete(http_t *http, /* I - Connection to server */ |
ef416fc2 | 788 | const char *uri) /* I - URI to delete */ |
789 | { | |
cb7f98ee | 790 | return (http_send(http, HTTP_STATE_DELETE, uri)); |
ef416fc2 | 791 | } |
792 | ||
793 | ||
6d2f911b MS |
794 | /* |
795 | * '_httpDisconnect()' - Disconnect a HTTP connection. | |
796 | */ | |
797 | ||
798 | void | |
799 | _httpDisconnect(http_t *http) /* I - Connection to server */ | |
800 | { | |
801 | #ifdef HAVE_SSL | |
802 | if (http->tls) | |
803 | http_shutdown_ssl(http); | |
804 | #endif /* HAVE_SSL */ | |
805 | ||
806 | #ifdef WIN32 | |
807 | closesocket(http->fd); | |
808 | #else | |
809 | close(http->fd); | |
810 | #endif /* WIN32 */ | |
811 | ||
812 | http->fd = -1; | |
813 | } | |
814 | ||
815 | ||
ef416fc2 | 816 | /* |
817 | * 'httpEncryption()' - Set the required encryption on the link. | |
818 | */ | |
819 | ||
820 | int /* O - -1 on error, 0 on success */ | |
568fa3fa | 821 | httpEncryption(http_t *http, /* I - Connection to server */ |
ef416fc2 | 822 | http_encryption_t e) /* I - New encryption preference */ |
823 | { | |
e07d4801 | 824 | DEBUG_printf(("httpEncryption(http=%p, e=%d)", http, e)); |
ef416fc2 | 825 | |
826 | #ifdef HAVE_SSL | |
827 | if (!http) | |
828 | return (0); | |
829 | ||
830 | http->encryption = e; | |
831 | ||
cb7f98ee MS |
832 | if ((http->encryption == HTTP_ENCRYPTION_ALWAYS && !http->tls) || |
833 | (http->encryption == HTTP_ENCRYPTION_NEVER && http->tls)) | |
834 | return (httpReconnect2(http, 30000, NULL)); | |
835 | else if (http->encryption == HTTP_ENCRYPTION_REQUIRED && !http->tls) | |
ef416fc2 | 836 | return (http_upgrade(http)); |
837 | else | |
838 | return (0); | |
839 | #else | |
cb7f98ee | 840 | if (e == HTTP_ENCRYPTION_ALWAYS || e == HTTP_ENCRYPTION_REQUIRED) |
ef416fc2 | 841 | return (-1); |
842 | else | |
843 | return (0); | |
844 | #endif /* HAVE_SSL */ | |
845 | } | |
846 | ||
847 | ||
ecdc0628 | 848 | /* |
849 | * 'httpError()' - Get the last error on a connection. | |
850 | */ | |
851 | ||
852 | int /* O - Error code (errno) value */ | |
568fa3fa | 853 | httpError(http_t *http) /* I - Connection to server */ |
ecdc0628 | 854 | { |
855 | if (http) | |
856 | return (http->error); | |
857 | else | |
858 | return (EINVAL); | |
859 | } | |
860 | ||
861 | ||
ef416fc2 | 862 | /* |
863 | * 'httpFlush()' - Flush data from a HTTP connection. | |
864 | */ | |
865 | ||
866 | void | |
568fa3fa | 867 | httpFlush(http_t *http) /* I - Connection to server */ |
ef416fc2 | 868 | { |
f8b3a85b MS |
869 | char buffer[8192]; /* Junk buffer */ |
870 | int blocking; /* To block or not to block */ | |
871 | http_state_t oldstate; /* Old state */ | |
ef416fc2 | 872 | |
873 | ||
f11a948a | 874 | DEBUG_printf(("httpFlush(http=%p), state=%s", http, |
cb7f98ee | 875 | http_state_string(http->state))); |
ef416fc2 | 876 | |
c1420c87 MS |
877 | /* |
878 | * Nothing to do if we are in the "waiting" state... | |
879 | */ | |
880 | ||
881 | if (http->state == HTTP_STATE_WAITING) | |
882 | return; | |
883 | ||
fa73b229 | 884 | /* |
885 | * Temporarily set non-blocking mode so we don't get stuck in httpRead()... | |
886 | */ | |
887 | ||
888 | blocking = http->blocking; | |
889 | http->blocking = 0; | |
890 | ||
891 | /* | |
892 | * Read any data we can... | |
893 | */ | |
894 | ||
f8b3a85b | 895 | oldstate = http->state; |
a4d04587 | 896 | while (httpRead2(http, buffer, sizeof(buffer)) > 0); |
fa73b229 | 897 | |
898 | /* | |
899 | * Restore blocking and reset the connection if we didn't get all of | |
900 | * the remaining data... | |
901 | */ | |
902 | ||
903 | http->blocking = blocking; | |
904 | ||
a469f8a5 MS |
905 | if (http->state == oldstate && http->state != HTTP_STATE_WAITING && |
906 | http->fd >= 0) | |
fa73b229 | 907 | { |
908 | /* | |
909 | * Didn't get the data back, so close the current connection. | |
910 | */ | |
911 | ||
c41769ff MS |
912 | #ifdef HAVE_LIBZ |
913 | if (http->coding) | |
914 | http_content_coding_finish(http); | |
915 | #endif /* HAVE_LIBZ */ | |
916 | ||
a469f8a5 MS |
917 | DEBUG_puts("1httpFlush: Setting state to HTTP_STATE_WAITING and closing."); |
918 | ||
919 | http->state = HTTP_STATE_WAITING; | |
fa73b229 | 920 | |
921 | #ifdef HAVE_SSL | |
922 | if (http->tls) | |
923 | http_shutdown_ssl(http); | |
924 | #endif /* HAVE_SSL */ | |
925 | ||
926 | #ifdef WIN32 | |
927 | closesocket(http->fd); | |
928 | #else | |
929 | close(http->fd); | |
930 | #endif /* WIN32 */ | |
931 | ||
932 | http->fd = -1; | |
933 | } | |
ef416fc2 | 934 | } |
935 | ||
936 | ||
937 | /* | |
938 | * 'httpFlushWrite()' - Flush data in write buffer. | |
939 | * | |
f3c17241 | 940 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 941 | */ |
942 | ||
943 | int /* O - Bytes written or -1 on error */ | |
568fa3fa | 944 | httpFlushWrite(http_t *http) /* I - Connection to server */ |
ef416fc2 | 945 | { |
946 | int bytes; /* Bytes written */ | |
947 | ||
948 | ||
a469f8a5 MS |
949 | DEBUG_printf(("httpFlushWrite(http=%p) data_encoding=%d", http, |
950 | http ? http->data_encoding : -1)); | |
ef416fc2 | 951 | |
952 | if (!http || !http->wused) | |
f8b3a85b MS |
953 | { |
954 | DEBUG_puts(http ? "1httpFlushWrite: Write buffer is empty." : | |
955 | "1httpFlushWrite: No connection."); | |
ef416fc2 | 956 | return (0); |
f8b3a85b | 957 | } |
ef416fc2 | 958 | |
a469f8a5 | 959 | if (http->data_encoding == HTTP_ENCODING_CHUNKED) |
ef416fc2 | 960 | bytes = http_write_chunk(http, http->wbuffer, http->wused); |
961 | else | |
962 | bytes = http_write(http, http->wbuffer, http->wused); | |
963 | ||
964 | http->wused = 0; | |
965 | ||
22c9029b | 966 | DEBUG_printf(("1httpFlushWrite: Returning %d, errno=%d.", bytes, errno)); |
f8b3a85b | 967 | |
ef416fc2 | 968 | return (bytes); |
969 | } | |
970 | ||
971 | ||
7cf5915e MS |
972 | /* |
973 | * '_httpFreeCredentials()' - Free internal credentials. | |
974 | */ | |
975 | ||
976 | void | |
977 | _httpFreeCredentials( | |
978 | http_tls_credentials_t credentials) /* I - Internal credentials */ | |
979 | { | |
980 | if (!credentials) | |
981 | return; | |
982 | ||
983 | #ifdef HAVE_LIBSSL | |
984 | (void)credentials; | |
985 | ||
986 | #elif defined(HAVE_GNUTLS) | |
987 | (void)credentials; | |
988 | ||
989 | #elif defined(HAVE_CDSASSL) | |
990 | CFRelease(credentials); | |
991 | ||
992 | #elif defined(HAVE_SSPISSL) | |
993 | (void)credentials; | |
994 | ||
995 | #endif /* HAVE_LIBSSL */ | |
996 | } | |
997 | ||
998 | ||
999 | /* | |
1000 | * 'httpFreeCredentials()' - Free an array of credentials. | |
1001 | */ | |
1002 | ||
1003 | void | |
1004 | httpFreeCredentials( | |
1005 | cups_array_t *credentials) /* I - Array of credentials */ | |
1006 | { | |
1007 | http_credential_t *credential; /* Credential */ | |
1008 | ||
1009 | ||
1010 | for (credential = (http_credential_t *)cupsArrayFirst(credentials); | |
1011 | credential; | |
1012 | credential = (http_credential_t *)cupsArrayNext(credentials)) | |
1013 | { | |
1014 | cupsArrayRemove(credentials, credential); | |
1015 | free((void *)credential->data); | |
1016 | free(credential); | |
1017 | } | |
1018 | ||
1019 | cupsArrayDelete(credentials); | |
1020 | } | |
1021 | ||
1022 | ||
ef416fc2 | 1023 | /* |
1024 | * 'httpGet()' - Send a GET request to the server. | |
1025 | */ | |
1026 | ||
1027 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 1028 | httpGet(http_t *http, /* I - Connection to server */ |
ef416fc2 | 1029 | const char *uri) /* I - URI to get */ |
1030 | { | |
cb7f98ee | 1031 | return (http_send(http, HTTP_STATE_GET, uri)); |
ef416fc2 | 1032 | } |
1033 | ||
1034 | ||
6961465f MS |
1035 | /* |
1036 | * 'httpGetAuthString()' - Get the current authorization string. | |
1037 | * | |
1038 | * The authorization string is set by cupsDoAuthentication() and | |
1039 | * httpSetAuthString(). Use httpGetAuthString() to retrieve the | |
1040 | * string to use with httpSetField() for the HTTP_FIELD_AUTHORIZATION | |
1041 | * value. | |
1042 | * | |
1043 | * @since CUPS 1.3/OS X 10.5@ | |
1044 | */ | |
1045 | ||
1046 | char * /* O - Authorization string */ | |
1047 | httpGetAuthString(http_t *http) /* I - Connection to server */ | |
1048 | { | |
1049 | if (http) | |
1050 | return (http->authstring); | |
1051 | else | |
1052 | return (NULL); | |
1053 | } | |
1054 | ||
1055 | ||
1056 | /* | |
1057 | * 'httpGetBlocking()' - Get the blocking/non-block state of a connection. | |
1058 | * | |
1059 | * @since CUPS 1.2/OS X 10.5@ | |
1060 | */ | |
1061 | ||
1062 | int /* O - 1 if blocking, 0 if non-blocking */ | |
1063 | httpGetBlocking(http_t *http) /* I - Connection to server */ | |
1064 | { | |
1065 | return (http ? http->blocking : 0); | |
1066 | } | |
1067 | ||
1068 | ||
a469f8a5 MS |
1069 | /* |
1070 | * 'httpGetContentEncoding()' - Get a common content encoding, if any, between | |
1071 | * the client and server. | |
1072 | * | |
1073 | * This function uses the value of the Accepts-Encoding HTTP header and must be | |
1074 | * called after receiving a response from the server or a request from the | |
1075 | * client. The value returned can be use in subsequent requests (for clients) | |
1076 | * or in the response (for servers) in order to compress the content stream. | |
1077 | * | |
9c0e8e5d | 1078 | * @since CUPS 1.7/OS X 10.9@ |
a469f8a5 MS |
1079 | */ |
1080 | ||
1081 | const char * /* O - Content-Coding value or | |
1082 | @code NULL@ for the identity | |
1083 | coding. */ | |
1084 | httpGetContentEncoding(http_t *http) /* I - Connection to client/server */ | |
1085 | { | |
1086 | #ifdef HAVE_LIBZ | |
1087 | if (http && http->accept_encoding) | |
1088 | { | |
1089 | int i; /* Looping var */ | |
1090 | char temp[HTTP_MAX_VALUE], /* Copy of Accepts-Encoding value */ | |
1091 | *start, /* Start of coding value */ | |
1092 | *end; /* End of coding value */ | |
1093 | double qvalue; /* "qvalue" for coding */ | |
1094 | struct lconv *loc = localeconv(); /* Locale data */ | |
1095 | static const char * const codings[] = | |
1096 | { /* Supported content codings */ | |
1097 | "deflate", | |
1098 | "gzip", | |
1099 | "x-deflate", | |
1100 | "x-gzip" | |
1101 | }; | |
1102 | ||
1103 | strlcpy(temp, http->accept_encoding, sizeof(temp)); | |
1104 | ||
1105 | for (start = temp; *start; start = end) | |
1106 | { | |
1107 | /* | |
1108 | * Find the end of the coding name... | |
1109 | */ | |
1110 | ||
1111 | qvalue = 1.0; | |
1112 | end = start; | |
1113 | while (*end && *end != ';' && *end != ',' && !isspace(*end & 255)) | |
1114 | end ++; | |
1115 | ||
1116 | if (*end == ';') | |
1117 | { | |
1118 | /* | |
1119 | * Grab the qvalue as needed... | |
1120 | */ | |
1121 | ||
1122 | if (!strncmp(end, ";q=", 3)) | |
1123 | qvalue = _cupsStrScand(end + 3, NULL, loc); | |
1124 | ||
1125 | /* | |
1126 | * Skip past all attributes... | |
1127 | */ | |
1128 | ||
1129 | *end++ = '\0'; | |
1130 | while (*end && *end != ',' && !isspace(*end & 255)) | |
1131 | end ++; | |
1132 | } | |
1133 | else if (*end) | |
1134 | *end++ = '\0'; | |
1135 | ||
1136 | while (*end && isspace(*end & 255)) | |
1137 | end ++; | |
1138 | ||
1139 | /* | |
1140 | * Check value if it matches something we support... | |
1141 | */ | |
1142 | ||
1143 | if (qvalue <= 0.0) | |
1144 | continue; | |
1145 | ||
1146 | for (i = 0; i < (int)(sizeof(codings) / sizeof(codings[0])); i ++) | |
1147 | if (!strcmp(start, codings[i])) | |
1148 | return (codings[i]); | |
1149 | } | |
1150 | } | |
1151 | #endif /* HAVE_LIBZ */ | |
1152 | ||
1153 | return (NULL); | |
1154 | } | |
1155 | ||
1156 | ||
ecdc0628 | 1157 | /* |
1158 | * 'httpGetCookie()' - Get any cookie data from the response. | |
757d2cad | 1159 | * |
f3c17241 | 1160 | * @since CUPS 1.1.19/OS X 10.3@ |
ecdc0628 | 1161 | */ |
1162 | ||
1163 | const char * /* O - Cookie data or NULL */ | |
1164 | httpGetCookie(http_t *http) /* I - HTTP connecion */ | |
1165 | { | |
1166 | return (http ? http->cookie : NULL); | |
1167 | } | |
1168 | ||
1169 | ||
a469f8a5 MS |
1170 | /* |
1171 | * 'httpGetExpect()' - Get the value of the Expect header, if any. | |
1172 | * | |
1173 | * Returns @code HTTP_STATUS_NONE@ if there is no Expect header, otherwise | |
1174 | * returns the expected HTTP status code, typically @code HTTP_STATUS_CONTINUE@. | |
1175 | * | |
9c0e8e5d | 1176 | * @since CUPS 1.7/OS X 10.9@ |
a469f8a5 MS |
1177 | */ |
1178 | ||
1179 | http_status_t /* O - Expect: status, if any */ | |
1180 | httpGetExpect(http_t *http) /* I - Connection to client */ | |
1181 | { | |
1182 | if (!http) | |
1183 | return (HTTP_STATUS_ERROR); | |
1184 | else | |
1185 | return (http->expect); | |
1186 | } | |
1187 | ||
1188 | ||
ecdc0628 | 1189 | /* |
1190 | * 'httpGetFd()' - Get the file descriptor associated with a connection. | |
1191 | * | |
f3c17241 | 1192 | * @since CUPS 1.2/OS X 10.5@ |
ecdc0628 | 1193 | */ |
1194 | ||
1195 | int /* O - File descriptor or -1 if none */ | |
568fa3fa | 1196 | httpGetFd(http_t *http) /* I - Connection to server */ |
ecdc0628 | 1197 | { |
1198 | return (http ? http->fd : -1); | |
1199 | } | |
1200 | ||
1201 | ||
1202 | /* | |
1203 | * 'httpGetField()' - Get a field value from a request/response. | |
1204 | */ | |
1205 | ||
1206 | const char * /* O - Field value */ | |
568fa3fa | 1207 | httpGetField(http_t *http, /* I - Connection to server */ |
ecdc0628 | 1208 | http_field_t field) /* I - Field to get */ |
1209 | { | |
1210 | if (!http || field <= HTTP_FIELD_UNKNOWN || field >= HTTP_FIELD_MAX) | |
1211 | return (NULL); | |
a469f8a5 MS |
1212 | |
1213 | switch (field) | |
f7deaa1a | 1214 | { |
a469f8a5 MS |
1215 | case HTTP_FIELD_ACCEPT_ENCODING : |
1216 | return (http->accept_encoding); | |
f7deaa1a | 1217 | |
a469f8a5 MS |
1218 | case HTTP_FIELD_ALLOW : |
1219 | return (http->allow); | |
1220 | ||
1221 | case HTTP_FIELD_SERVER : | |
1222 | return (http->server); | |
1223 | ||
1224 | case HTTP_FIELD_AUTHORIZATION : | |
1225 | if (http->field_authorization) | |
1226 | { | |
1227 | /* | |
1228 | * Special case for WWW-Authenticate: as its contents can be | |
1229 | * longer than HTTP_MAX_VALUE... | |
1230 | */ | |
1231 | ||
1232 | return (http->field_authorization); | |
1233 | } | |
1234 | ||
1235 | default : | |
1236 | return (http->fields[field]); | |
f7deaa1a | 1237 | } |
ecdc0628 | 1238 | } |
1239 | ||
1240 | ||
1241 | /* | |
1242 | * 'httpGetLength()' - Get the amount of data remaining from the | |
1243 | * content-length or transfer-encoding fields. | |
1244 | * | |
1245 | * This function is deprecated and will not return lengths larger than | |
1246 | * 2^31 - 1; use httpGetLength2() instead. | |
1247 | * | |
1248 | * @deprecated@ | |
1249 | */ | |
1250 | ||
1251 | int /* O - Content length */ | |
568fa3fa | 1252 | httpGetLength(http_t *http) /* I - Connection to server */ |
ecdc0628 | 1253 | { |
1254 | /* | |
1255 | * Get the read content length and return the 32-bit value. | |
1256 | */ | |
1257 | ||
1258 | if (http) | |
1259 | { | |
1260 | httpGetLength2(http); | |
1261 | ||
1262 | return (http->_data_remaining); | |
1263 | } | |
1264 | else | |
1265 | return (-1); | |
1266 | } | |
1267 | ||
1268 | ||
1269 | /* | |
1270 | * 'httpGetLength2()' - Get the amount of data remaining from the | |
1271 | * content-length or transfer-encoding fields. | |
1272 | * | |
1273 | * This function returns the complete content length, even for | |
1274 | * content larger than 2^31 - 1. | |
1275 | * | |
f3c17241 | 1276 | * @since CUPS 1.2/OS X 10.5@ |
ecdc0628 | 1277 | */ |
1278 | ||
1279 | off_t /* O - Content length */ | |
568fa3fa | 1280 | httpGetLength2(http_t *http) /* I - Connection to server */ |
ecdc0628 | 1281 | { |
a469f8a5 MS |
1282 | off_t remaining; /* Remaining length */ |
1283 | ||
1284 | ||
f11a948a | 1285 | DEBUG_printf(("2httpGetLength2(http=%p), state=%s", http, |
cb7f98ee | 1286 | http_state_string(http->state))); |
ecdc0628 | 1287 | |
1288 | if (!http) | |
1289 | return (-1); | |
1290 | ||
88f9aafc | 1291 | if (!_cups_strcasecmp(http->fields[HTTP_FIELD_TRANSFER_ENCODING], "chunked")) |
ecdc0628 | 1292 | { |
e07d4801 | 1293 | DEBUG_puts("4httpGetLength2: chunked request!"); |
a469f8a5 | 1294 | remaining = 0; |
ecdc0628 | 1295 | } |
1296 | else | |
1297 | { | |
ecdc0628 | 1298 | /* |
1299 | * The following is a hack for HTTP servers that don't send a | |
a469f8a5 | 1300 | * Content-Length or Transfer-Encoding field... |
ecdc0628 | 1301 | * |
a469f8a5 | 1302 | * If there is no Content-Length then the connection must close |
ecdc0628 | 1303 | * after the transfer is complete... |
1304 | */ | |
1305 | ||
b86bc4cf | 1306 | if (!http->fields[HTTP_FIELD_CONTENT_LENGTH][0]) |
1307 | { | |
1308 | /* | |
a469f8a5 MS |
1309 | * Default content length is 0 for errors and certain types of operations, |
1310 | * and 2^31-1 for other successful requests... | |
b86bc4cf | 1311 | */ |
1312 | ||
cb7f98ee | 1313 | if (http->status >= HTTP_STATUS_MULTIPLE_CHOICES || |
a469f8a5 MS |
1314 | http->state == HTTP_STATE_OPTIONS || |
1315 | (http->state == HTTP_STATE_GET && http->mode == _HTTP_MODE_SERVER) || | |
1316 | http->state == HTTP_STATE_HEAD || | |
1317 | (http->state == HTTP_STATE_PUT && http->mode == _HTTP_MODE_CLIENT) || | |
1318 | http->state == HTTP_STATE_DELETE || | |
1319 | http->state == HTTP_STATE_TRACE || | |
1320 | http->state == HTTP_STATE_CONNECT) | |
1321 | remaining = 0; | |
b86bc4cf | 1322 | else |
a469f8a5 | 1323 | remaining = 2147483647; |
b86bc4cf | 1324 | } |
a469f8a5 MS |
1325 | else if ((remaining = strtoll(http->fields[HTTP_FIELD_CONTENT_LENGTH], |
1326 | NULL, 10)) < 0) | |
1327 | remaining = -1; | |
ecdc0628 | 1328 | |
e07d4801 | 1329 | DEBUG_printf(("4httpGetLength2: content_length=" CUPS_LLFMT, |
a469f8a5 | 1330 | CUPS_LLCAST remaining)); |
ecdc0628 | 1331 | } |
1332 | ||
a469f8a5 | 1333 | return (remaining); |
ecdc0628 | 1334 | } |
1335 | ||
1336 | ||
ef416fc2 | 1337 | /* |
1338 | * 'httpGets()' - Get a line of text from a HTTP connection. | |
1339 | */ | |
1340 | ||
1341 | char * /* O - Line or NULL */ | |
1342 | httpGets(char *line, /* I - Line to read into */ | |
1343 | int length, /* I - Max length of buffer */ | |
568fa3fa | 1344 | http_t *http) /* I - Connection to server */ |
ef416fc2 | 1345 | { |
1346 | char *lineptr, /* Pointer into line */ | |
1347 | *lineend, /* End of line */ | |
1348 | *bufptr, /* Pointer into input buffer */ | |
1349 | *bufend; /* Pointer to end of buffer */ | |
1350 | int bytes, /* Number of bytes read */ | |
1351 | eol; /* End-of-line? */ | |
1352 | ||
1353 | ||
e07d4801 | 1354 | DEBUG_printf(("2httpGets(line=%p, length=%d, http=%p)", line, length, http)); |
ef416fc2 | 1355 | |
0fa6c7fa | 1356 | if (!http || !line || length <= 1) |
ef416fc2 | 1357 | return (NULL); |
1358 | ||
1359 | /* | |
1360 | * Read a line from the buffer... | |
1361 | */ | |
f11a948a MS |
1362 | |
1363 | http->error = 0; | |
1364 | lineptr = line; | |
1365 | lineend = line + length - 1; | |
1366 | eol = 0; | |
ef416fc2 | 1367 | |
1368 | while (lineptr < lineend) | |
1369 | { | |
1370 | /* | |
1371 | * Pre-load the buffer as needed... | |
1372 | */ | |
1373 | ||
1374 | #ifdef WIN32 | |
1375 | WSASetLastError(0); | |
1376 | #else | |
1377 | errno = 0; | |
1378 | #endif /* WIN32 */ | |
1379 | ||
1380 | while (http->used == 0) | |
1381 | { | |
1382 | /* | |
1383 | * No newline; see if there is more data to be read... | |
1384 | */ | |
1385 | ||
85dda01c | 1386 | while (!_httpWait(http, http->wait_value, 1)) |
89d46774 | 1387 | { |
f228370c MS |
1388 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) |
1389 | continue; | |
1390 | ||
e07d4801 | 1391 | DEBUG_puts("3httpGets: Timed out!"); |
b86bc4cf | 1392 | #ifdef WIN32 |
1393 | http->error = WSAETIMEDOUT; | |
1394 | #else | |
89d46774 | 1395 | http->error = ETIMEDOUT; |
b86bc4cf | 1396 | #endif /* WIN32 */ |
ef416fc2 | 1397 | return (NULL); |
89d46774 | 1398 | } |
ef416fc2 | 1399 | |
0fa6c7fa MS |
1400 | bytes = http_read(http, http->buffer + http->used, |
1401 | HTTP_MAX_BUFFER - http->used); | |
ef416fc2 | 1402 | |
0fa6c7fa | 1403 | DEBUG_printf(("4httpGets: read %d bytes.", bytes)); |
12f89d24 | 1404 | |
ef416fc2 | 1405 | if (bytes < 0) |
1406 | { | |
1407 | /* | |
1408 | * Nope, can't get a line this time... | |
1409 | */ | |
1410 | ||
1411 | #ifdef WIN32 | |
cc754834 MS |
1412 | DEBUG_printf(("3httpGets: recv() error %d!", WSAGetLastError())); |
1413 | ||
10d09e33 | 1414 | if (WSAGetLastError() == WSAEINTR) |
cc754834 | 1415 | continue; |
10d09e33 MS |
1416 | else if (WSAGetLastError() == WSAEWOULDBLOCK) |
1417 | { | |
1418 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
1419 | continue; | |
1420 | ||
1421 | http->error = WSAGetLastError(); | |
1422 | } | |
cc754834 | 1423 | else if (WSAGetLastError() != http->error) |
ef416fc2 | 1424 | { |
1425 | http->error = WSAGetLastError(); | |
1426 | continue; | |
1427 | } | |
1428 | ||
ef416fc2 | 1429 | #else |
e07d4801 | 1430 | DEBUG_printf(("3httpGets: recv() error %d!", errno)); |
ef416fc2 | 1431 | |
10d09e33 | 1432 | if (errno == EINTR) |
ef416fc2 | 1433 | continue; |
10d09e33 MS |
1434 | else if (errno == EWOULDBLOCK || errno == EAGAIN) |
1435 | { | |
1436 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
1437 | continue; | |
1438 | else if (!http->timeout_cb && errno == EAGAIN) | |
1439 | continue; | |
1440 | ||
1441 | http->error = errno; | |
1442 | } | |
ef416fc2 | 1443 | else if (errno != http->error) |
1444 | { | |
1445 | http->error = errno; | |
1446 | continue; | |
1447 | } | |
1448 | #endif /* WIN32 */ | |
1449 | ||
1450 | return (NULL); | |
1451 | } | |
1452 | else if (bytes == 0) | |
1453 | { | |
1454 | http->error = EPIPE; | |
1455 | ||
1456 | return (NULL); | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * Yup, update the amount used... | |
1461 | */ | |
1462 | ||
1463 | http->used += bytes; | |
1464 | } | |
1465 | ||
1466 | /* | |
1467 | * Now copy as much of the current line as possible... | |
1468 | */ | |
1469 | ||
1470 | for (bufptr = http->buffer, bufend = http->buffer + http->used; | |
1471 | lineptr < lineend && bufptr < bufend;) | |
1472 | { | |
1473 | if (*bufptr == 0x0a) | |
1474 | { | |
1475 | eol = 1; | |
1476 | bufptr ++; | |
1477 | break; | |
1478 | } | |
1479 | else if (*bufptr == 0x0d) | |
1480 | bufptr ++; | |
1481 | else | |
1482 | *lineptr++ = *bufptr++; | |
1483 | } | |
1484 | ||
b86bc4cf | 1485 | http->used -= (int)(bufptr - http->buffer); |
ef416fc2 | 1486 | if (http->used > 0) |
1487 | memmove(http->buffer, bufptr, http->used); | |
1488 | ||
1489 | if (eol) | |
1490 | { | |
1491 | /* | |
1492 | * End of line... | |
1493 | */ | |
1494 | ||
1495 | http->activity = time(NULL); | |
1496 | ||
1497 | *lineptr = '\0'; | |
ef55b745 | 1498 | |
e07d4801 | 1499 | DEBUG_printf(("3httpGets: Returning \"%s\"", line)); |
ef416fc2 | 1500 | |
1501 | return (line); | |
1502 | } | |
1503 | } | |
1504 | ||
e07d4801 | 1505 | DEBUG_puts("3httpGets: No new line available!"); |
ef416fc2 | 1506 | |
1507 | return (NULL); | |
1508 | } | |
1509 | ||
1510 | ||
a2326b5b MS |
1511 | /* |
1512 | * 'httpGetState()' - Get the current state of the HTTP request. | |
1513 | */ | |
1514 | ||
1515 | http_state_t /* O - HTTP state */ | |
1516 | httpGetState(http_t *http) /* I - Connection to server */ | |
1517 | { | |
a469f8a5 | 1518 | return (http ? http->state : HTTP_STATE_ERROR); |
a2326b5b MS |
1519 | } |
1520 | ||
1521 | ||
1522 | /* | |
1523 | * 'httpGetStatus()' - Get the status of the last HTTP request. | |
1524 | * | |
f3c17241 | 1525 | * @since CUPS 1.2/OS X 10.5@ |
a2326b5b MS |
1526 | */ |
1527 | ||
1528 | http_status_t /* O - HTTP status */ | |
1529 | httpGetStatus(http_t *http) /* I - Connection to server */ | |
1530 | { | |
cb7f98ee | 1531 | return (http ? http->status : HTTP_STATUS_ERROR); |
a2326b5b MS |
1532 | } |
1533 | ||
1534 | ||
1535 | /* | |
1536 | * 'httpGetSubField()' - Get a sub-field value. | |
1537 | * | |
1538 | * @deprecated@ | |
1539 | */ | |
1540 | ||
1541 | char * /* O - Value or NULL */ | |
1542 | httpGetSubField(http_t *http, /* I - Connection to server */ | |
1543 | http_field_t field, /* I - Field index */ | |
1544 | const char *name, /* I - Name of sub-field */ | |
1545 | char *value) /* O - Value string */ | |
1546 | { | |
1547 | return (httpGetSubField2(http, field, name, value, HTTP_MAX_VALUE)); | |
1548 | } | |
1549 | ||
1550 | ||
1551 | /* | |
1552 | * 'httpGetSubField2()' - Get a sub-field value. | |
1553 | * | |
f3c17241 | 1554 | * @since CUPS 1.2/OS X 10.5@ |
a2326b5b MS |
1555 | */ |
1556 | ||
1557 | char * /* O - Value or NULL */ | |
1558 | httpGetSubField2(http_t *http, /* I - Connection to server */ | |
1559 | http_field_t field, /* I - Field index */ | |
1560 | const char *name, /* I - Name of sub-field */ | |
1561 | char *value, /* O - Value string */ | |
1562 | int valuelen) /* I - Size of value buffer */ | |
1563 | { | |
1564 | const char *fptr; /* Pointer into field */ | |
1565 | char temp[HTTP_MAX_VALUE], /* Temporary buffer for name */ | |
1566 | *ptr, /* Pointer into string buffer */ | |
1567 | *end; /* End of value buffer */ | |
1568 | ||
1569 | DEBUG_printf(("2httpGetSubField2(http=%p, field=%d, name=\"%s\", value=%p, " | |
1570 | "valuelen=%d)", http, field, name, value, valuelen)); | |
1571 | ||
1572 | if (!http || !name || !value || valuelen < 2 || | |
1573 | field <= HTTP_FIELD_UNKNOWN || field >= HTTP_FIELD_MAX) | |
1574 | return (NULL); | |
1575 | ||
1576 | end = value + valuelen - 1; | |
1577 | ||
1578 | for (fptr = http->fields[field]; *fptr;) | |
1579 | { | |
1580 | /* | |
1581 | * Skip leading whitespace... | |
1582 | */ | |
1583 | ||
1584 | while (_cups_isspace(*fptr)) | |
1585 | fptr ++; | |
1586 | ||
1587 | if (*fptr == ',') | |
1588 | { | |
1589 | fptr ++; | |
1590 | continue; | |
1591 | } | |
1592 | ||
1593 | /* | |
1594 | * Get the sub-field name... | |
1595 | */ | |
1596 | ||
1597 | for (ptr = temp; | |
1598 | *fptr && *fptr != '=' && !_cups_isspace(*fptr) && | |
1599 | ptr < (temp + sizeof(temp) - 1); | |
1600 | *ptr++ = *fptr++); | |
1601 | ||
1602 | *ptr = '\0'; | |
1603 | ||
1604 | DEBUG_printf(("4httpGetSubField2: name=\"%s\"", temp)); | |
1605 | ||
1606 | /* | |
1607 | * Skip trailing chars up to the '='... | |
1608 | */ | |
1609 | ||
1610 | while (_cups_isspace(*fptr)) | |
1611 | fptr ++; | |
1612 | ||
1613 | if (!*fptr) | |
1614 | break; | |
1615 | ||
1616 | if (*fptr != '=') | |
1617 | continue; | |
1618 | ||
1619 | /* | |
1620 | * Skip = and leading whitespace... | |
1621 | */ | |
1622 | ||
1623 | fptr ++; | |
1624 | ||
1625 | while (_cups_isspace(*fptr)) | |
1626 | fptr ++; | |
1627 | ||
1628 | if (*fptr == '\"') | |
1629 | { | |
1630 | /* | |
1631 | * Read quoted string... | |
1632 | */ | |
1633 | ||
1634 | for (ptr = value, fptr ++; | |
1635 | *fptr && *fptr != '\"' && ptr < end; | |
1636 | *ptr++ = *fptr++); | |
1637 | ||
1638 | *ptr = '\0'; | |
1639 | ||
1640 | while (*fptr && *fptr != '\"') | |
1641 | fptr ++; | |
1642 | ||
1643 | if (*fptr) | |
1644 | fptr ++; | |
1645 | } | |
1646 | else | |
1647 | { | |
1648 | /* | |
1649 | * Read unquoted string... | |
1650 | */ | |
1651 | ||
1652 | for (ptr = value; | |
1653 | *fptr && !_cups_isspace(*fptr) && *fptr != ',' && ptr < end; | |
1654 | *ptr++ = *fptr++); | |
1655 | ||
1656 | *ptr = '\0'; | |
1657 | ||
1658 | while (*fptr && !_cups_isspace(*fptr) && *fptr != ',') | |
1659 | fptr ++; | |
1660 | } | |
1661 | ||
1662 | DEBUG_printf(("4httpGetSubField2: value=\"%s\"", value)); | |
1663 | ||
1664 | /* | |
1665 | * See if this is the one... | |
1666 | */ | |
1667 | ||
1668 | if (!strcmp(name, temp)) | |
1669 | { | |
1670 | DEBUG_printf(("3httpGetSubField2: Returning \"%s\"", value)); | |
1671 | return (value); | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | value[0] = '\0'; | |
1676 | ||
1677 | DEBUG_puts("3httpGetSubField2: Returning NULL"); | |
1678 | ||
1679 | return (NULL); | |
1680 | } | |
1681 | ||
1682 | ||
1683 | /* | |
1684 | * 'httpGetVersion()' - Get the HTTP version at the other end. | |
1685 | */ | |
1686 | ||
1687 | http_version_t /* O - Version number */ | |
1688 | httpGetVersion(http_t *http) /* I - Connection to server */ | |
1689 | { | |
a469f8a5 | 1690 | return (http ? http->version : HTTP_VERSION_1_0); |
a2326b5b MS |
1691 | } |
1692 | ||
1693 | ||
ef416fc2 | 1694 | /* |
1695 | * 'httpHead()' - Send a HEAD request to the server. | |
1696 | */ | |
1697 | ||
1698 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 1699 | httpHead(http_t *http, /* I - Connection to server */ |
ef416fc2 | 1700 | const char *uri) /* I - URI for head */ |
1701 | { | |
e07d4801 | 1702 | DEBUG_printf(("httpHead(http=%p, uri=\"%s\")", http, uri)); |
cb7f98ee | 1703 | return (http_send(http, HTTP_STATE_HEAD, uri)); |
ef416fc2 | 1704 | } |
1705 | ||
1706 | ||
1707 | /* | |
1708 | * 'httpInitialize()' - Initialize the HTTP interface library and set the | |
1709 | * default HTTP proxy (if any). | |
1710 | */ | |
1711 | ||
1712 | void | |
1713 | httpInitialize(void) | |
1714 | { | |
6d2f911b MS |
1715 | static int initialized = 0; /* Have we been called before? */ |
1716 | #ifdef WIN32 | |
1717 | WSADATA winsockdata; /* WinSock data */ | |
1718 | #endif /* WIN32 */ | |
ef416fc2 | 1719 | #ifdef HAVE_LIBSSL |
6d2f911b MS |
1720 | int i; /* Looping var */ |
1721 | unsigned char data[1024]; /* Seed data */ | |
ef416fc2 | 1722 | #endif /* HAVE_LIBSSL */ |
1723 | ||
ef416fc2 | 1724 | |
6d2f911b MS |
1725 | _cupsGlobalLock(); |
1726 | if (initialized) | |
1727 | { | |
1728 | _cupsGlobalUnlock(); | |
1729 | return; | |
1730 | } | |
1731 | ||
1732 | #ifdef WIN32 | |
c7017ecc | 1733 | WSAStartup(MAKEWORD(2,2), &winsockdata); |
ef416fc2 | 1734 | |
fa73b229 | 1735 | #elif !defined(SO_NOSIGPIPE) |
ef416fc2 | 1736 | /* |
1737 | * Ignore SIGPIPE signals... | |
1738 | */ | |
1739 | ||
fa73b229 | 1740 | # ifdef HAVE_SIGSET |
1741 | sigset(SIGPIPE, SIG_IGN); | |
6d2f911b | 1742 | |
fa73b229 | 1743 | # elif defined(HAVE_SIGACTION) |
1744 | struct sigaction action; /* POSIX sigaction data */ | |
1745 | ||
1746 | ||
ef416fc2 | 1747 | memset(&action, 0, sizeof(action)); |
1748 | action.sa_handler = SIG_IGN; | |
1749 | sigaction(SIGPIPE, &action, NULL); | |
6d2f911b | 1750 | |
fa73b229 | 1751 | # else |
ef416fc2 | 1752 | signal(SIGPIPE, SIG_IGN); |
fa73b229 | 1753 | # endif /* !SO_NOSIGPIPE */ |
ef416fc2 | 1754 | #endif /* WIN32 */ |
1755 | ||
1756 | #ifdef HAVE_GNUTLS | |
6d2f911b MS |
1757 | /* |
1758 | * Initialize GNU TLS... | |
1759 | */ | |
1760 | ||
ef416fc2 | 1761 | gnutls_global_init(); |
ef416fc2 | 1762 | |
6d2f911b MS |
1763 | #elif defined(HAVE_LIBSSL) |
1764 | /* | |
1765 | * Initialize OpenSSL... | |
1766 | */ | |
1767 | ||
ef416fc2 | 1768 | SSL_load_error_strings(); |
1769 | SSL_library_init(); | |
1770 | ||
1771 | /* | |
1772 | * Using the current time is a dubious random seed, but on some systems | |
1773 | * it is the best we can do (on others, this seed isn't even used...) | |
1774 | */ | |
1775 | ||
6d2f911b | 1776 | CUPS_SRAND(time(NULL)); |
ef416fc2 | 1777 | |
1778 | for (i = 0; i < sizeof(data); i ++) | |
6d2f911b | 1779 | data[i] = CUPS_RAND(); |
ef416fc2 | 1780 | |
dfd5680b | 1781 | RAND_seed(data, sizeof(data)); |
6d2f911b MS |
1782 | #endif /* HAVE_GNUTLS */ |
1783 | ||
1784 | initialized = 1; | |
1785 | _cupsGlobalUnlock(); | |
ef416fc2 | 1786 | } |
1787 | ||
1788 | ||
1789 | /* | |
1790 | * 'httpOptions()' - Send an OPTIONS request to the server. | |
1791 | */ | |
1792 | ||
1793 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 1794 | httpOptions(http_t *http, /* I - Connection to server */ |
ef416fc2 | 1795 | const char *uri) /* I - URI for options */ |
1796 | { | |
cb7f98ee | 1797 | return (http_send(http, HTTP_STATE_OPTIONS, uri)); |
ef416fc2 | 1798 | } |
1799 | ||
1800 | ||
6d2f911b | 1801 | /* |
a469f8a5 | 1802 | * 'httpPeek()' - Peek at data from a HTTP connection. |
6d2f911b MS |
1803 | * |
1804 | * This function copies available data from the given HTTP connection, reading | |
1805 | * a buffer as needed. The data is still available for reading using | |
1806 | * @link httpRead@ or @link httpRead2@. | |
1807 | * | |
1808 | * For non-blocking connections the usual timeouts apply. | |
a469f8a5 | 1809 | * |
9c0e8e5d | 1810 | * @since CUPS 1.7/OS X 10.9@ |
6d2f911b MS |
1811 | */ |
1812 | ||
1813 | ssize_t /* O - Number of bytes copied */ | |
a469f8a5 | 1814 | httpPeek(http_t *http, /* I - Connection to server */ |
0fa6c7fa MS |
1815 | char *buffer, /* I - Buffer for data */ |
1816 | size_t length) /* I - Maximum number of bytes */ | |
6d2f911b MS |
1817 | { |
1818 | ssize_t bytes; /* Bytes read */ | |
1819 | char len[32]; /* Length string */ | |
1820 | ||
1821 | ||
a469f8a5 | 1822 | DEBUG_printf(("httpPeek(http=%p, buffer=%p, length=" CUPS_LLFMT ")", |
6d2f911b MS |
1823 | http, buffer, CUPS_LLCAST length)); |
1824 | ||
1825 | if (http == NULL || buffer == NULL) | |
1826 | return (-1); | |
1827 | ||
1828 | http->activity = time(NULL); | |
1829 | http->error = 0; | |
1830 | ||
1831 | if (length <= 0) | |
1832 | return (0); | |
1833 | ||
a469f8a5 | 1834 | if (http->data_encoding == HTTP_ENCODING_CHUNKED && |
6d2f911b MS |
1835 | http->data_remaining <= 0) |
1836 | { | |
a469f8a5 | 1837 | DEBUG_puts("2httpPeek: Getting chunk length..."); |
6d2f911b MS |
1838 | |
1839 | if (httpGets(len, sizeof(len), http) == NULL) | |
1840 | { | |
a469f8a5 | 1841 | DEBUG_puts("1httpPeek: Could not get length!"); |
6d2f911b MS |
1842 | return (0); |
1843 | } | |
1844 | ||
db8b865d MS |
1845 | if (!len[0]) |
1846 | { | |
1847 | DEBUG_puts("1httpPeek: Blank chunk length, trying again..."); | |
1848 | if (!httpGets(len, sizeof(len), http)) | |
1849 | { | |
1850 | DEBUG_puts("1httpPeek: Could not get chunk length."); | |
1851 | return (0); | |
1852 | } | |
1853 | } | |
1854 | ||
6d2f911b | 1855 | http->data_remaining = strtoll(len, NULL, 16); |
db8b865d | 1856 | |
6d2f911b MS |
1857 | if (http->data_remaining < 0) |
1858 | { | |
a469f8a5 | 1859 | DEBUG_puts("1httpPeek: Negative chunk length!"); |
6d2f911b MS |
1860 | return (0); |
1861 | } | |
1862 | } | |
1863 | ||
a469f8a5 | 1864 | DEBUG_printf(("2httpPeek: data_remaining=" CUPS_LLFMT, |
6d2f911b MS |
1865 | CUPS_LLCAST http->data_remaining)); |
1866 | ||
0fa6c7fa | 1867 | if (http->data_remaining <= 0 && http->data_encoding != HTTP_ENCODING_FIELDS) |
6d2f911b MS |
1868 | { |
1869 | /* | |
1870 | * A zero-length chunk ends a transfer; unless we are reading POST | |
1871 | * data, go idle... | |
1872 | */ | |
1873 | ||
c41769ff MS |
1874 | #ifdef HAVE_LIBZ |
1875 | if (http->coding) | |
1876 | http_content_coding_finish(http); | |
1877 | #endif /* HAVE_LIBZ */ | |
1878 | ||
0fa6c7fa MS |
1879 | if (http->data_encoding == HTTP_ENCODING_CHUNKED) |
1880 | httpGets(len, sizeof(len), http); | |
1881 | ||
a469f8a5 | 1882 | if (http->state == HTTP_STATE_POST_RECV) |
6d2f911b MS |
1883 | http->state ++; |
1884 | else | |
cb7f98ee | 1885 | http->state = HTTP_STATE_STATUS; |
a469f8a5 MS |
1886 | |
1887 | DEBUG_printf(("1httpPeek: 0-length chunk, set state to %s.", | |
cb7f98ee | 1888 | http_state_string(http->state))); |
6d2f911b MS |
1889 | |
1890 | /* | |
1891 | * Prevent future reads for this request... | |
1892 | */ | |
1893 | ||
a469f8a5 | 1894 | http->data_encoding = HTTP_ENCODING_FIELDS; |
6d2f911b MS |
1895 | |
1896 | return (0); | |
1897 | } | |
0fa6c7fa | 1898 | else if (length > (size_t)http->data_remaining) |
6d2f911b MS |
1899 | length = (size_t)http->data_remaining; |
1900 | ||
0fa6c7fa MS |
1901 | #ifdef HAVE_LIBZ |
1902 | if (http->used == 0 && | |
1903 | (http->coding == _HTTP_CODING_IDENTITY || http->stream.avail_in == 0)) | |
1904 | #else | |
6d2f911b | 1905 | if (http->used == 0) |
0fa6c7fa | 1906 | #endif /* HAVE_LIBZ */ |
6d2f911b MS |
1907 | { |
1908 | /* | |
1909 | * Buffer small reads for better performance... | |
1910 | */ | |
1911 | ||
3e7fe0ca MS |
1912 | ssize_t buflen; /* Length of read for buffer */ |
1913 | ||
f228370c MS |
1914 | if (!http->blocking) |
1915 | { | |
85dda01c | 1916 | while (!httpWait(http, http->wait_value)) |
f228370c MS |
1917 | { |
1918 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
1919 | continue; | |
1920 | ||
1921 | return (0); | |
1922 | } | |
1923 | } | |
6d2f911b MS |
1924 | |
1925 | if (http->data_remaining > sizeof(http->buffer)) | |
3e7fe0ca | 1926 | buflen = sizeof(http->buffer); |
6d2f911b | 1927 | else |
3e7fe0ca MS |
1928 | buflen = http->data_remaining; |
1929 | ||
a469f8a5 | 1930 | DEBUG_printf(("2httpPeek: Reading %d bytes into buffer.", (int)buflen)); |
db8b865d | 1931 | bytes = http_read(http, http->buffer, buflen); |
3e7fe0ca | 1932 | |
a469f8a5 | 1933 | DEBUG_printf(("2httpPeek: Read " CUPS_LLFMT " bytes into buffer.", |
3e7fe0ca | 1934 | CUPS_LLCAST bytes)); |
db8b865d MS |
1935 | if (bytes > 0) |
1936 | { | |
3e7fe0ca | 1937 | #ifdef DEBUG |
db8b865d | 1938 | http_debug_hex("httpPeek", http->buffer, (int)bytes); |
3e7fe0ca MS |
1939 | #endif /* DEBUG */ |
1940 | ||
db8b865d MS |
1941 | http->used = bytes; |
1942 | } | |
6d2f911b MS |
1943 | } |
1944 | ||
c1420c87 MS |
1945 | #ifdef HAVE_LIBZ |
1946 | if (http->coding) | |
1947 | { | |
db8b865d | 1948 | # ifdef HAVE_INFLATECOPY |
c1420c87 | 1949 | int zerr; /* Decompressor error */ |
c1420c87 MS |
1950 | z_stream stream; /* Copy of decompressor stream */ |
1951 | ||
0fa6c7fa MS |
1952 | if (http->used > 0 && http->stream.avail_in < HTTP_MAX_BUFFER) |
1953 | { | |
1954 | size_t buflen = buflen = HTTP_MAX_BUFFER - http->stream.avail_in; | |
1955 | /* Number of bytes to copy */ | |
1956 | ||
1957 | if (http->stream.avail_in > 0 && | |
1958 | http->stream.next_in > http->dbuffer) | |
1959 | memmove(http->dbuffer, http->stream.next_in, http->stream.avail_in); | |
1960 | ||
1961 | http->stream.next_in = http->dbuffer; | |
1962 | ||
1963 | if (buflen > http->data_remaining) | |
1964 | buflen = http->data_remaining; | |
1965 | ||
1966 | if (buflen > http->used) | |
1967 | buflen = http->used; | |
1968 | ||
1969 | DEBUG_printf(("1httpPeek: Copying %d more bytes of data into " | |
1970 | "decompression buffer.", (int)buflen)); | |
1971 | ||
1972 | memcpy(http->dbuffer + http->stream.avail_in, http->buffer, buflen); | |
1973 | http->stream.avail_in += buflen; | |
1974 | http->used -= buflen; | |
1975 | http->data_remaining -= buflen; | |
1976 | ||
1977 | if (http->used > 0) | |
1978 | memmove(http->buffer, http->buffer + buflen, http->used); | |
1979 | } | |
c1420c87 MS |
1980 | |
1981 | DEBUG_printf(("2httpPeek: length=%d, avail_in=%d", (int)length, | |
0fa6c7fa | 1982 | (int)http->stream.avail_in)); |
c1420c87 MS |
1983 | |
1984 | if (inflateCopy(&stream, &(http->stream)) != Z_OK) | |
1985 | { | |
1986 | DEBUG_puts("2httpPeek: Unable to copy decompressor stream."); | |
1987 | http->error = ENOMEM; | |
1988 | return (-1); | |
1989 | } | |
1990 | ||
c1420c87 MS |
1991 | stream.next_out = (Bytef *)buffer; |
1992 | stream.avail_out = length; | |
1993 | ||
1994 | zerr = inflate(&stream, Z_SYNC_FLUSH); | |
1995 | inflateEnd(&stream); | |
1996 | ||
1997 | if (zerr < Z_OK) | |
1998 | { | |
1999 | DEBUG_printf(("2httpPeek: zerr=%d", zerr)); | |
0fa6c7fa MS |
2000 | #ifdef DEBUG |
2001 | http_debug_hex("2httpPeek", (char *)http->dbuffer, | |
2002 | http->stream.avail_in); | |
2003 | #endif /* DEBUG */ | |
2004 | ||
c1420c87 MS |
2005 | http->error = EIO; |
2006 | return (-1); | |
2007 | } | |
2008 | ||
2009 | bytes = length - http->stream.avail_out; | |
db8b865d MS |
2010 | |
2011 | # else | |
2012 | DEBUG_puts("2httpPeek: No inflateCopy on this platform, httpPeek does not " | |
2013 | "work with compressed streams."); | |
2014 | return (-1); | |
2015 | # endif /* HAVE_INFLATECOPY */ | |
c1420c87 MS |
2016 | } |
2017 | else | |
2018 | #endif /* HAVE_LIBZ */ | |
6d2f911b MS |
2019 | if (http->used > 0) |
2020 | { | |
2021 | if (length > (size_t)http->used) | |
2022 | length = (size_t)http->used; | |
2023 | ||
2024 | bytes = (ssize_t)length; | |
2025 | ||
a469f8a5 | 2026 | DEBUG_printf(("2httpPeek: grabbing %d bytes from input buffer...", |
6d2f911b MS |
2027 | (int)bytes)); |
2028 | ||
2029 | memcpy(buffer, http->buffer, length); | |
2030 | } | |
2031 | else | |
2032 | bytes = 0; | |
2033 | ||
2034 | if (bytes < 0) | |
2035 | { | |
2036 | #ifdef WIN32 | |
cc754834 MS |
2037 | if (WSAGetLastError() == WSAEINTR || WSAGetLastError() == WSAEWOULDBLOCK) |
2038 | bytes = 0; | |
2039 | else | |
2040 | http->error = WSAGetLastError(); | |
6d2f911b MS |
2041 | #else |
2042 | if (errno == EINTR || errno == EAGAIN) | |
2043 | bytes = 0; | |
2044 | else | |
2045 | http->error = errno; | |
2046 | #endif /* WIN32 */ | |
2047 | } | |
2048 | else if (bytes == 0) | |
2049 | { | |
2050 | http->error = EPIPE; | |
2051 | return (0); | |
2052 | } | |
2053 | ||
6d2f911b MS |
2054 | return (bytes); |
2055 | } | |
2056 | ||
c1420c87 MS |
2057 | /* For OS X 10.8 and earlier */ |
2058 | ssize_t _httpPeek(http_t *http, char *buffer, size_t length) | |
2059 | { return (httpPeek(http, buffer, length)); } | |
2060 | ||
6d2f911b | 2061 | |
ef416fc2 | 2062 | /* |
2063 | * 'httpPost()' - Send a POST request to the server. | |
2064 | */ | |
2065 | ||
2066 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 2067 | httpPost(http_t *http, /* I - Connection to server */ |
ef416fc2 | 2068 | const char *uri) /* I - URI for post */ |
2069 | { | |
cb7f98ee | 2070 | return (http_send(http, HTTP_STATE_POST, uri)); |
ef416fc2 | 2071 | } |
2072 | ||
2073 | ||
2074 | /* | |
2075 | * 'httpPrintf()' - Print a formatted string to a HTTP connection. | |
ecdc0628 | 2076 | * |
2077 | * @private@ | |
ef416fc2 | 2078 | */ |
2079 | ||
2080 | int /* O - Number of bytes written */ | |
568fa3fa | 2081 | httpPrintf(http_t *http, /* I - Connection to server */ |
ef416fc2 | 2082 | const char *format, /* I - printf-style format string */ |
2083 | ...) /* I - Additional args as needed */ | |
2084 | { | |
2085 | int bytes; /* Number of bytes to write */ | |
2086 | char buf[16384]; /* Buffer for formatted string */ | |
2087 | va_list ap; /* Variable argument pointer */ | |
2088 | ||
2089 | ||
e07d4801 | 2090 | DEBUG_printf(("2httpPrintf(http=%p, format=\"%s\", ...)", http, format)); |
ef416fc2 | 2091 | |
2092 | va_start(ap, format); | |
2093 | bytes = vsnprintf(buf, sizeof(buf), format, ap); | |
2094 | va_end(ap); | |
2095 | ||
a469f8a5 | 2096 | DEBUG_printf(("3httpPrintf: (%d bytes) %s", bytes, buf)); |
ef416fc2 | 2097 | |
a469f8a5 | 2098 | if (http->data_encoding == HTTP_ENCODING_FIELDS) |
d09495fa | 2099 | return (httpWrite2(http, buf, bytes)); |
2100 | else | |
ef416fc2 | 2101 | { |
d09495fa | 2102 | if (http->wused) |
2103 | { | |
e07d4801 | 2104 | DEBUG_puts("4httpPrintf: flushing existing data..."); |
ef416fc2 | 2105 | |
d09495fa | 2106 | if (httpFlushWrite(http) < 0) |
2107 | return (-1); | |
2108 | } | |
ef416fc2 | 2109 | |
d09495fa | 2110 | return (http_write(http, buf, bytes)); |
2111 | } | |
ef416fc2 | 2112 | } |
2113 | ||
2114 | ||
2115 | /* | |
2116 | * 'httpPut()' - Send a PUT request to the server. | |
2117 | */ | |
2118 | ||
2119 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 2120 | httpPut(http_t *http, /* I - Connection to server */ |
ef416fc2 | 2121 | const char *uri) /* I - URI to put */ |
2122 | { | |
e07d4801 | 2123 | DEBUG_printf(("httpPut(http=%p, uri=\"%s\")", http, uri)); |
cb7f98ee | 2124 | return (http_send(http, HTTP_STATE_PUT, uri)); |
ef416fc2 | 2125 | } |
2126 | ||
2127 | ||
2128 | /* | |
2129 | * 'httpRead()' - Read data from a HTTP connection. | |
a4d04587 | 2130 | * |
2131 | * This function is deprecated. Use the httpRead2() function which can | |
2132 | * read more than 2GB of data. | |
2133 | * | |
2134 | * @deprecated@ | |
ef416fc2 | 2135 | */ |
2136 | ||
2137 | int /* O - Number of bytes read */ | |
568fa3fa | 2138 | httpRead(http_t *http, /* I - Connection to server */ |
ef416fc2 | 2139 | char *buffer, /* I - Buffer for data */ |
2140 | int length) /* I - Maximum number of bytes */ | |
2141 | { | |
a4d04587 | 2142 | return ((int)httpRead2(http, buffer, length)); |
2143 | } | |
2144 | ||
2145 | ||
2146 | /* | |
2147 | * 'httpRead2()' - Read data from a HTTP connection. | |
ecdc0628 | 2148 | * |
f3c17241 | 2149 | * @since CUPS 1.2/OS X 10.5@ |
a4d04587 | 2150 | */ |
2151 | ||
2152 | ssize_t /* O - Number of bytes read */ | |
568fa3fa | 2153 | httpRead2(http_t *http, /* I - Connection to server */ |
a4d04587 | 2154 | char *buffer, /* I - Buffer for data */ |
2155 | size_t length) /* I - Maximum number of bytes */ | |
2156 | { | |
2157 | ssize_t bytes; /* Bytes read */ | |
ef416fc2 | 2158 | |
2159 | ||
db8b865d | 2160 | #ifdef HAVE_LIBZ |
a469f8a5 | 2161 | DEBUG_printf(("httpRead2(http=%p, buffer=%p, length=" CUPS_LLFMT |
0fa6c7fa | 2162 | ") coding=%d data_encoding=%d data_remaining=" CUPS_LLFMT, |
db8b865d MS |
2163 | http, buffer, CUPS_LLCAST length, |
2164 | http->coding, | |
0fa6c7fa | 2165 | http->data_encoding, CUPS_LLCAST http->data_remaining)); |
db8b865d MS |
2166 | #else |
2167 | DEBUG_printf(("httpRead2(http=%p, buffer=%p, length=" CUPS_LLFMT | |
2168 | ") data_encoding=%d data_remaining=" CUPS_LLFMT, | |
2169 | http, buffer, CUPS_LLCAST length, | |
2170 | http->data_encoding, CUPS_LLCAST http->data_remaining)); | |
2171 | #endif /* HAVE_LIBZ */ | |
ef416fc2 | 2172 | |
2173 | if (http == NULL || buffer == NULL) | |
2174 | return (-1); | |
2175 | ||
2176 | http->activity = time(NULL); | |
f11a948a | 2177 | http->error = 0; |
ef416fc2 | 2178 | |
2179 | if (length <= 0) | |
2180 | return (0); | |
2181 | ||
a469f8a5 | 2182 | #ifdef HAVE_LIBZ |
0fa6c7fa | 2183 | if (http->coding) |
ef416fc2 | 2184 | { |
0fa6c7fa | 2185 | do |
f228370c | 2186 | { |
0fa6c7fa | 2187 | if (http->stream.avail_in > 0) |
f228370c | 2188 | { |
0fa6c7fa | 2189 | int zerr; /* Decompressor error */ |
f228370c | 2190 | |
0fa6c7fa MS |
2191 | DEBUG_printf(("2httpRead2: avail_in=%d, avail_out=%d", |
2192 | (int)http->stream.avail_in, (int)length)); | |
ef416fc2 | 2193 | |
0fa6c7fa MS |
2194 | http->stream.next_out = (Bytef *)buffer; |
2195 | http->stream.avail_out = length; | |
83e08001 | 2196 | |
0fa6c7fa | 2197 | if ((zerr = inflate(&(http->stream), Z_SYNC_FLUSH)) < Z_OK) |
83e08001 | 2198 | { |
0fa6c7fa | 2199 | DEBUG_printf(("2httpRead2: zerr=%d", zerr)); |
12f89d24 | 2200 | #ifdef DEBUG |
0fa6c7fa MS |
2201 | http_debug_hex("2httpRead2", (char *)http->dbuffer, |
2202 | http->stream.avail_in); | |
12f89d24 | 2203 | #endif /* DEBUG */ |
83e08001 | 2204 | |
0fa6c7fa MS |
2205 | http->error = EIO; |
2206 | return (-1); | |
2207 | } | |
a469f8a5 | 2208 | |
0fa6c7fa | 2209 | bytes = length - http->stream.avail_out; |
a469f8a5 | 2210 | |
0fa6c7fa MS |
2211 | DEBUG_printf(("2httpRead2: avail_in=%d, avail_out=%d, bytes=%d", |
2212 | http->stream.avail_in, http->stream.avail_out, | |
2213 | (int)bytes)); | |
2214 | } | |
2215 | else | |
2216 | bytes = 0; | |
a469f8a5 | 2217 | |
0fa6c7fa MS |
2218 | if (bytes == 0) |
2219 | { | |
2220 | ssize_t buflen = HTTP_MAX_BUFFER - http->stream.avail_in; | |
2221 | /* Additional bytes for buffer */ | |
a469f8a5 | 2222 | |
0fa6c7fa MS |
2223 | if (buflen > 0) |
2224 | { | |
2225 | if (http->stream.avail_in > 0 && | |
2226 | http->stream.next_in > http->dbuffer) | |
2227 | memmove(http->dbuffer, http->stream.next_in, http->stream.avail_in); | |
2228 | ||
2229 | http->stream.next_in = http->dbuffer; | |
2230 | ||
2231 | DEBUG_printf(("1httpRead2: Reading up to %d more bytes of data into " | |
2232 | "decompression buffer.", (int)buflen)); | |
2233 | ||
2234 | if (http->data_remaining > 0) | |
2235 | { | |
2236 | if (buflen > http->data_remaining) | |
2237 | buflen = http->data_remaining; | |
2238 | ||
2239 | bytes = http_read_buffered(http, | |
2240 | (char *)http->dbuffer + | |
2241 | http->stream.avail_in, buflen); | |
2242 | } | |
2243 | else if (http->data_encoding == HTTP_ENCODING_CHUNKED) | |
2244 | bytes = http_read_chunk(http, | |
2245 | (char *)http->dbuffer + | |
2246 | http->stream.avail_in, buflen); | |
2247 | else | |
2248 | bytes = 0; | |
2249 | ||
2250 | if (bytes < 0) | |
2251 | return (bytes); | |
2252 | else if (bytes == 0) | |
2253 | break; | |
2254 | ||
db8b865d MS |
2255 | DEBUG_printf(("1httpRead2: Adding " CUPS_LLFMT " bytes to " |
2256 | "decompression buffer.", CUPS_LLCAST bytes)); | |
2257 | ||
0fa6c7fa MS |
2258 | http->data_remaining -= bytes; |
2259 | http->stream.avail_in += bytes; | |
db8b865d | 2260 | |
cb7f98ee MS |
2261 | if (http->data_remaining <= 0 && |
2262 | http->data_encoding == HTTP_ENCODING_CHUNKED) | |
2263 | { | |
2264 | /* | |
2265 | * Read the trailing blank line now... | |
2266 | */ | |
2267 | ||
2268 | char len[32]; /* Length string */ | |
2269 | ||
2270 | httpGets(len, sizeof(len), http); | |
2271 | } | |
2272 | ||
db8b865d | 2273 | bytes = 0; |
0fa6c7fa MS |
2274 | } |
2275 | else | |
2276 | return (0); | |
2277 | } | |
a469f8a5 | 2278 | } |
0fa6c7fa | 2279 | while (bytes == 0); |
a469f8a5 MS |
2280 | } |
2281 | else | |
2282 | #endif /* HAVE_LIBZ */ | |
0fa6c7fa | 2283 | if (http->data_remaining == 0 && http->data_encoding == HTTP_ENCODING_CHUNKED) |
ef416fc2 | 2284 | { |
0fa6c7fa | 2285 | if ((bytes = http_read_chunk(http, buffer, length)) > 0) |
cb7f98ee | 2286 | { |
0fa6c7fa | 2287 | http->data_remaining -= bytes; |
cb7f98ee MS |
2288 | |
2289 | if (http->data_remaining <= 0) | |
2290 | { | |
2291 | /* | |
2292 | * Read the trailing blank line now... | |
2293 | */ | |
2294 | ||
2295 | char len[32]; /* Length string */ | |
2296 | ||
2297 | httpGets(len, sizeof(len), http); | |
2298 | } | |
2299 | } | |
ef416fc2 | 2300 | } |
0fa6c7fa | 2301 | else if (http->data_remaining <= 0) |
ef416fc2 | 2302 | { |
0fa6c7fa MS |
2303 | /* |
2304 | * No more data to read... | |
2305 | */ | |
ef416fc2 | 2306 | |
0fa6c7fa | 2307 | return (0); |
ef416fc2 | 2308 | } |
ef416fc2 | 2309 | else |
2310 | { | |
0fa6c7fa MS |
2311 | DEBUG_printf(("1httpRead2: Reading up to %d bytes into buffer.", |
2312 | (int)length)); | |
ef416fc2 | 2313 | |
db8b865d MS |
2314 | if (length > (size_t)http->data_remaining) |
2315 | length = (size_t)http->data_remaining; | |
ef416fc2 | 2316 | |
0fa6c7fa | 2317 | if ((bytes = http_read_buffered(http, buffer, length)) > 0) |
cb7f98ee | 2318 | { |
0fa6c7fa | 2319 | http->data_remaining -= bytes; |
cb7f98ee MS |
2320 | |
2321 | if (http->data_remaining <= 0 && | |
2322 | http->data_encoding == HTTP_ENCODING_CHUNKED) | |
2323 | { | |
2324 | /* | |
2325 | * Read the trailing blank line now... | |
2326 | */ | |
2327 | ||
2328 | char len[32]; /* Length string */ | |
2329 | ||
2330 | httpGets(len, sizeof(len), http); | |
2331 | } | |
2332 | } | |
ef416fc2 | 2333 | } |
2334 | ||
0fa6c7fa MS |
2335 | if ( |
2336 | #ifdef HAVE_LIBZ | |
2337 | (http->coding == _HTTP_CODING_IDENTITY || http->stream.avail_in == 0) && | |
2338 | #endif /* HAVE_LIBZ */ | |
2339 | ((http->data_remaining <= 0 && | |
2340 | http->data_encoding == HTTP_ENCODING_LENGTH) || | |
2341 | (http->data_encoding == HTTP_ENCODING_CHUNKED && bytes == 0))) | |
ef416fc2 | 2342 | { |
a469f8a5 | 2343 | #ifdef HAVE_LIBZ |
0fa6c7fa MS |
2344 | if (http->coding) |
2345 | http_content_coding_finish(http); | |
a469f8a5 MS |
2346 | #endif /* HAVE_LIBZ */ |
2347 | ||
0fa6c7fa MS |
2348 | if (http->state == HTTP_STATE_POST_RECV) |
2349 | http->state ++; | |
6961465f MS |
2350 | else if (http->state == HTTP_STATE_GET_SEND || |
2351 | http->state == HTTP_STATE_POST_SEND) | |
2352 | http->state = HTTP_STATE_WAITING; | |
0fa6c7fa | 2353 | else |
cb7f98ee | 2354 | http->state = HTTP_STATE_STATUS; |
a469f8a5 | 2355 | |
0fa6c7fa | 2356 | DEBUG_printf(("1httpRead2: End of content, set state to %s.", |
cb7f98ee | 2357 | http_state_string(http->state))); |
ef416fc2 | 2358 | } |
2359 | ||
ef416fc2 | 2360 | return (bytes); |
2361 | } | |
2362 | ||
2363 | ||
2364 | #if defined(HAVE_SSL) && defined(HAVE_CDSASSL) | |
2365 | /* | |
411affcf | 2366 | * '_httpReadCDSA()' - Read function for the CDSA library. |
ef416fc2 | 2367 | */ |
2368 | ||
2369 | OSStatus /* O - -1 on error, 0 on success */ | |
2370 | _httpReadCDSA( | |
2371 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
2372 | void *data, /* I - Data buffer */ | |
2373 | size_t *dataLength) /* IO - Number of bytes */ | |
2374 | { | |
411affcf | 2375 | OSStatus result; /* Return value */ |
2376 | ssize_t bytes; /* Number of bytes read */ | |
2377 | http_t *http; /* HTTP connection */ | |
2378 | ||
2379 | ||
2380 | http = (http_t *)connection; | |
e53920b9 | 2381 | |
411affcf | 2382 | if (!http->blocking) |
2383 | { | |
2384 | /* | |
2385 | * Make sure we have data before we read... | |
2386 | */ | |
e53920b9 | 2387 | |
85dda01c | 2388 | while (!_httpWait(http, http->wait_value, 0)) |
411affcf | 2389 | { |
f228370c MS |
2390 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) |
2391 | continue; | |
2392 | ||
411affcf | 2393 | http->error = ETIMEDOUT; |
2394 | return (-1); | |
2395 | } | |
2396 | } | |
ef416fc2 | 2397 | |
b423cd4c | 2398 | do |
411affcf | 2399 | { |
2400 | bytes = recv(http->fd, data, *dataLength, 0); | |
2401 | } | |
e07d4801 | 2402 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); |
fa73b229 | 2403 | |
b423cd4c | 2404 | if (bytes == *dataLength) |
411affcf | 2405 | { |
b423cd4c | 2406 | result = 0; |
411affcf | 2407 | } |
b423cd4c | 2408 | else if (bytes > 0) |
2409 | { | |
2410 | *dataLength = bytes; | |
2411 | result = errSSLWouldBlock; | |
2412 | } | |
2413 | else | |
2414 | { | |
2415 | *dataLength = 0; | |
fa73b229 | 2416 | |
2417 | if (bytes == 0) | |
ed486911 | 2418 | result = errSSLClosedGraceful; |
b423cd4c | 2419 | else if (errno == EAGAIN) |
2420 | result = errSSLWouldBlock; | |
b423cd4c | 2421 | else |
ed486911 | 2422 | result = errSSLClosedAbort; |
ef416fc2 | 2423 | } |
b423cd4c | 2424 | |
411affcf | 2425 | return (result); |
ef416fc2 | 2426 | } |
2427 | #endif /* HAVE_SSL && HAVE_CDSASSL */ | |
2428 | ||
2429 | ||
411affcf | 2430 | #if defined(HAVE_SSL) && defined(HAVE_GNUTLS) |
2431 | /* | |
2432 | * '_httpReadGNUTLS()' - Read function for the GNU TLS library. | |
2433 | */ | |
2434 | ||
2435 | ssize_t /* O - Number of bytes read or -1 on error */ | |
2436 | _httpReadGNUTLS( | |
568fa3fa | 2437 | gnutls_transport_ptr ptr, /* I - Connection to server */ |
411affcf | 2438 | void *data, /* I - Buffer */ |
2439 | size_t length) /* I - Number of bytes to read */ | |
2440 | { | |
2441 | http_t *http; /* HTTP connection */ | |
a4845881 MS |
2442 | ssize_t bytes; /* Bytes read */ |
2443 | ||
411affcf | 2444 | |
a4845881 | 2445 | DEBUG_printf(("6_httpReadGNUTLS(ptr=%p, data=%p, length=%d)", ptr, data, (int)length)); |
411affcf | 2446 | |
2447 | http = (http_t *)ptr; | |
2448 | ||
2449 | if (!http->blocking) | |
2450 | { | |
2451 | /* | |
2452 | * Make sure we have data before we read... | |
2453 | */ | |
2454 | ||
85dda01c | 2455 | while (!_httpWait(http, http->wait_value, 0)) |
411affcf | 2456 | { |
f228370c MS |
2457 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) |
2458 | continue; | |
2459 | ||
411affcf | 2460 | http->error = ETIMEDOUT; |
2461 | return (-1); | |
2462 | } | |
2463 | } | |
2464 | ||
a4845881 MS |
2465 | bytes = recv(http->fd, data, length, 0); |
2466 | DEBUG_printf(("6_httpReadGNUTLS: bytes=%d", (int)bytes)); | |
2467 | return (bytes); | |
411affcf | 2468 | } |
2469 | #endif /* HAVE_SSL && HAVE_GNUTLS */ | |
2470 | ||
2471 | ||
ef416fc2 | 2472 | /* |
a469f8a5 MS |
2473 | * 'httpReadRequest()' - Read a HTTP request from a connection. |
2474 | * | |
9c0e8e5d | 2475 | * @since CUPS 1.7/OS X 10.9@ |
ef416fc2 | 2476 | */ |
2477 | ||
a469f8a5 MS |
2478 | http_state_t /* O - New state of connection */ |
2479 | httpReadRequest(http_t *http, /* I - HTTP connection */ | |
2480 | char *uri, /* I - URI buffer */ | |
2481 | size_t urilen) /* I - Size of URI buffer */ | |
dcb445bc | 2482 | { |
a469f8a5 MS |
2483 | char line[4096], /* HTTP request line */ |
2484 | *req_method, /* HTTP request method */ | |
2485 | *req_uri, /* HTTP request URI */ | |
2486 | *req_version; /* HTTP request version number string */ | |
dcb445bc MS |
2487 | |
2488 | ||
a469f8a5 MS |
2489 | /* |
2490 | * Range check input... | |
2491 | */ | |
ef416fc2 | 2492 | |
a469f8a5 MS |
2493 | DEBUG_printf(("httpReadRequest(http=%p, uri=%p, urilen=" CUPS_LLFMT ")", |
2494 | http, uri, CUPS_LLCAST urilen)); | |
ef416fc2 | 2495 | |
a469f8a5 MS |
2496 | if (uri) |
2497 | *uri = '\0'; | |
ef416fc2 | 2498 | |
a469f8a5 | 2499 | if (!http || !uri || urilen < 1) |
dcb445bc | 2500 | { |
a469f8a5 MS |
2501 | DEBUG_puts("1httpReadRequest: Bad arguments, returning HTTP_STATE_ERROR."); |
2502 | return (HTTP_STATE_ERROR); | |
dcb445bc | 2503 | } |
a469f8a5 | 2504 | else if (http->state != HTTP_STATE_WAITING) |
1ff0402e | 2505 | { |
a469f8a5 | 2506 | DEBUG_printf(("1httpReadRequest: Bad state %s, returning HTTP_STATE_ERROR.", |
cb7f98ee | 2507 | http_state_string(http->state))); |
a469f8a5 | 2508 | return (HTTP_STATE_ERROR); |
1ff0402e | 2509 | } |
ef416fc2 | 2510 | |
2511 | /* | |
a469f8a5 | 2512 | * Reset state... |
ef416fc2 | 2513 | */ |
2514 | ||
a469f8a5 | 2515 | httpClearFields(http); |
ef416fc2 | 2516 | |
a469f8a5 MS |
2517 | http->activity = time(NULL); |
2518 | http->data_encoding = HTTP_ENCODING_FIELDS; | |
2519 | http->data_remaining = 0; | |
2520 | http->keep_alive = HTTP_KEEPALIVE_OFF; | |
2521 | http->status = HTTP_STATUS_OK; | |
2522 | http->version = HTTP_VERSION_1_1; | |
bd7854cb | 2523 | |
a29fd7dd | 2524 | /* |
a469f8a5 | 2525 | * Read a line from the socket... |
a29fd7dd MS |
2526 | */ |
2527 | ||
a469f8a5 MS |
2528 | if (!httpGets(line, sizeof(line), http)) |
2529 | { | |
2530 | DEBUG_puts("1httpReadRequest: Unable to read, returning HTTP_STATE_ERROR"); | |
2531 | return (HTTP_STATE_ERROR); | |
2532 | } | |
2533 | ||
2534 | if (!line[0]) | |
2535 | { | |
2536 | DEBUG_puts("1httpReadRequest: Blank line, returning HTTP_STATE_WAITING"); | |
2537 | return (HTTP_STATE_WAITING); | |
2538 | } | |
2539 | ||
2540 | DEBUG_printf(("1httpReadRequest: %s", line)); | |
2541 | ||
2542 | /* | |
2543 | * Parse it... | |
2544 | */ | |
2545 | ||
2546 | req_method = line; | |
2547 | req_uri = line; | |
2548 | ||
2549 | while (*req_uri && !isspace(*req_uri & 255)) | |
2550 | req_uri ++; | |
2551 | ||
2552 | if (!*req_uri) | |
2553 | { | |
2554 | DEBUG_puts("1httpReadRequest: No request URI."); | |
2555 | return (HTTP_STATE_ERROR); | |
2556 | } | |
2557 | ||
2558 | *req_uri++ = '\0'; | |
2559 | ||
2560 | while (*req_uri && isspace(*req_uri & 255)) | |
2561 | req_uri ++; | |
2562 | ||
2563 | req_version = req_uri; | |
2564 | ||
2565 | while (*req_version && !isspace(*req_version & 255)) | |
2566 | req_version ++; | |
2567 | ||
2568 | if (!*req_version) | |
2569 | { | |
2570 | DEBUG_puts("1httpReadRequest: No request protocol version."); | |
2571 | return (HTTP_STATE_ERROR); | |
2572 | } | |
2573 | ||
2574 | *req_version++ = '\0'; | |
2575 | ||
2576 | while (*req_version && isspace(*req_version & 255)) | |
2577 | req_version ++; | |
2578 | ||
2579 | /* | |
2580 | * Validate... | |
2581 | */ | |
2582 | ||
2583 | if (!strcmp(req_method, "OPTIONS")) | |
2584 | http->state = HTTP_STATE_OPTIONS; | |
2585 | else if (!strcmp(req_method, "GET")) | |
2586 | http->state = HTTP_STATE_GET; | |
2587 | else if (!strcmp(req_method, "HEAD")) | |
2588 | http->state = HTTP_STATE_HEAD; | |
2589 | else if (!strcmp(req_method, "POST")) | |
2590 | http->state = HTTP_STATE_POST; | |
2591 | else if (!strcmp(req_method, "PUT")) | |
2592 | http->state = HTTP_STATE_PUT; | |
2593 | else if (!strcmp(req_method, "DELETE")) | |
2594 | http->state = HTTP_STATE_DELETE; | |
2595 | else if (!strcmp(req_method, "TRACE")) | |
2596 | http->state = HTTP_STATE_TRACE; | |
2597 | else if (!strcmp(req_method, "CONNECT")) | |
2598 | http->state = HTTP_STATE_CONNECT; | |
2599 | else | |
2600 | { | |
2601 | DEBUG_printf(("1httpReadRequest: Unknown method \"%s\".", req_method)); | |
2602 | return (HTTP_STATE_UNKNOWN_METHOD); | |
2603 | } | |
2604 | ||
2605 | DEBUG_printf(("1httpReadRequest: Set state to %s.", | |
cb7f98ee | 2606 | http_state_string(http->state))); |
a469f8a5 MS |
2607 | |
2608 | if (!strcmp(req_version, "HTTP/1.0")) | |
2609 | { | |
2610 | http->version = HTTP_VERSION_1_0; | |
2611 | http->keep_alive = HTTP_KEEPALIVE_OFF; | |
2612 | } | |
2613 | else if (!strcmp(req_version, "HTTP/1.1")) | |
2614 | { | |
2615 | http->version = HTTP_VERSION_1_1; | |
2616 | http->keep_alive = HTTP_KEEPALIVE_ON; | |
2617 | } | |
2618 | else | |
2619 | { | |
2620 | DEBUG_printf(("1httpReadRequest: Unknown version \"%s\".", req_version)); | |
2621 | return (HTTP_STATE_UNKNOWN_VERSION); | |
2622 | } | |
2623 | ||
2624 | DEBUG_printf(("1httpReadRequest: URI is \"%s\".", req_uri)); | |
2625 | strlcpy(uri, req_uri, urilen); | |
2626 | ||
2627 | return (http->state); | |
2628 | } | |
2629 | ||
2630 | ||
2631 | /* | |
2632 | * 'httpReconnect()' - Reconnect to a HTTP server. | |
2633 | * | |
2634 | * This function is deprecated. Please use the @link httpReconnect2@ function | |
2635 | * instead. | |
2636 | * | |
2637 | * @deprecated@ | |
2638 | */ | |
2639 | ||
2640 | int /* O - 0 on success, non-zero on failure */ | |
2641 | httpReconnect(http_t *http) /* I - Connection to server */ | |
2642 | { | |
2643 | DEBUG_printf(("httpReconnect(http=%p)", http)); | |
2644 | ||
2645 | return (httpReconnect2(http, 30000, NULL)); | |
2646 | } | |
2647 | ||
2648 | ||
2649 | /* | |
2650 | * 'httpReconnect2()' - Reconnect to a HTTP server with timeout and optional | |
2651 | * cancel. | |
2652 | */ | |
2653 | ||
2654 | int /* O - 0 on success, non-zero on failure */ | |
2655 | httpReconnect2(http_t *http, /* I - Connection to server */ | |
2656 | int msec, /* I - Timeout in milliseconds */ | |
2657 | int *cancel) /* I - Pointer to "cancel" variable */ | |
2658 | { | |
2659 | http_addrlist_t *addr; /* Connected address */ | |
2660 | #ifdef DEBUG | |
2661 | http_addrlist_t *current; /* Current address */ | |
2662 | char temp[256]; /* Temporary address string */ | |
2663 | #endif /* DEBUG */ | |
2664 | ||
2665 | ||
2666 | DEBUG_printf(("httpReconnect2(http=%p, msec=%d, cancel=%p)", http, msec, | |
2667 | cancel)); | |
2668 | ||
2669 | if (!http) | |
2670 | { | |
cb7f98ee | 2671 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); |
a469f8a5 MS |
2672 | return (-1); |
2673 | } | |
2674 | ||
2675 | #ifdef HAVE_SSL | |
2676 | if (http->tls) | |
2677 | { | |
2678 | DEBUG_puts("2httpReconnect2: Shutting down SSL/TLS..."); | |
2679 | http_shutdown_ssl(http); | |
2680 | } | |
2681 | #endif /* HAVE_SSL */ | |
2682 | ||
2683 | /* | |
2684 | * Close any previously open socket... | |
2685 | */ | |
2686 | ||
2687 | if (http->fd >= 0) | |
2688 | { | |
2689 | DEBUG_printf(("2httpReconnect2: Closing socket %d...", http->fd)); | |
2690 | ||
2691 | #ifdef WIN32 | |
2692 | closesocket(http->fd); | |
2693 | #else | |
2694 | close(http->fd); | |
2695 | #endif /* WIN32 */ | |
2696 | ||
2697 | http->fd = -1; | |
2698 | } | |
2699 | ||
2700 | /* | |
2701 | * Reset all state (except fields, which may be reused)... | |
2702 | */ | |
2703 | ||
2704 | http->state = HTTP_STATE_WAITING; | |
a469f8a5 MS |
2705 | http->version = HTTP_VERSION_1_1; |
2706 | http->keep_alive = HTTP_KEEPALIVE_OFF; | |
a29fd7dd | 2707 | memset(&http->_hostaddr, 0, sizeof(http->_hostaddr)); |
a469f8a5 | 2708 | http->data_encoding = HTTP_ENCODING_FIELDS; |
a29fd7dd MS |
2709 | http->_data_remaining = 0; |
2710 | http->used = 0; | |
a29fd7dd MS |
2711 | http->data_remaining = 0; |
2712 | http->hostaddr = NULL; | |
2713 | http->wused = 0; | |
2714 | ||
ef416fc2 | 2715 | /* |
2716 | * Connect to the server... | |
2717 | */ | |
2718 | ||
1ff0402e MS |
2719 | #ifdef DEBUG |
2720 | for (current = http->addrlist; current; current = current->next) | |
12f89d24 | 2721 | DEBUG_printf(("2httpReconnect2: Address %s:%d", |
1ff0402e | 2722 | httpAddrString(&(current->addr), temp, sizeof(temp)), |
a469f8a5 | 2723 | httpAddrPort(&(current->addr)))); |
1ff0402e MS |
2724 | #endif /* DEBUG */ |
2725 | ||
dcb445bc MS |
2726 | if ((addr = httpAddrConnect2(http->addrlist, &(http->fd), msec, |
2727 | cancel)) == NULL) | |
ef416fc2 | 2728 | { |
2729 | /* | |
2730 | * Unable to connect... | |
2731 | */ | |
2732 | ||
2733 | #ifdef WIN32 | |
2734 | http->error = WSAGetLastError(); | |
2735 | #else | |
2736 | http->error = errno; | |
2737 | #endif /* WIN32 */ | |
cb7f98ee | 2738 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 2739 | |
12f89d24 | 2740 | DEBUG_printf(("1httpReconnect2: httpAddrConnect failed: %s", |
1ff0402e MS |
2741 | strerror(http->error))); |
2742 | ||
ef416fc2 | 2743 | return (-1); |
2744 | } | |
2745 | ||
12f89d24 | 2746 | DEBUG_printf(("2httpReconnect2: New socket=%d", http->fd)); |
1ff0402e | 2747 | |
85dda01c MS |
2748 | if (http->timeout_value > 0) |
2749 | http_set_timeout(http->fd, http->timeout_value); | |
10d09e33 | 2750 | |
ef416fc2 | 2751 | http->hostaddr = &(addr->addr); |
2752 | http->error = 0; | |
ef416fc2 | 2753 | |
2754 | #ifdef HAVE_SSL | |
cb7f98ee | 2755 | if (http->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 2756 | { |
2757 | /* | |
2758 | * Always do encryption via SSL. | |
2759 | */ | |
2760 | ||
2761 | if (http_setup_ssl(http) != 0) | |
2762 | { | |
f7deaa1a | 2763 | # ifdef WIN32 |
ef416fc2 | 2764 | closesocket(http->fd); |
f7deaa1a | 2765 | # else |
ef416fc2 | 2766 | close(http->fd); |
f7deaa1a | 2767 | # endif /* WIN32 */ |
ef416fc2 | 2768 | |
2769 | return (-1); | |
2770 | } | |
2771 | } | |
cb7f98ee | 2772 | else if (http->encryption == HTTP_ENCRYPTION_REQUIRED && !http->tls_upgrade) |
ef416fc2 | 2773 | return (http_upgrade(http)); |
2774 | #endif /* HAVE_SSL */ | |
2775 | ||
12f89d24 | 2776 | DEBUG_printf(("1httpReconnect2: Connected to %s:%d...", |
1ff0402e | 2777 | httpAddrString(http->hostaddr, temp, sizeof(temp)), |
a469f8a5 | 2778 | httpAddrPort(http->hostaddr))); |
1ff0402e | 2779 | |
ef416fc2 | 2780 | return (0); |
2781 | } | |
2782 | ||
2783 | ||
355e94dc MS |
2784 | /* |
2785 | * 'httpSetAuthString()' - Set the current authorization string. | |
2786 | * | |
2787 | * This function just stores a copy of the current authorization string in | |
2788 | * the HTTP connection object. You must still call httpSetField() to set | |
2789 | * HTTP_FIELD_AUTHORIZATION prior to issuing a HTTP request using httpGet(), | |
2790 | * httpHead(), httpOptions(), httpPost, or httpPut(). | |
2791 | * | |
f3c17241 | 2792 | * @since CUPS 1.3/OS X 10.5@ |
355e94dc MS |
2793 | */ |
2794 | ||
2795 | void | |
568fa3fa | 2796 | httpSetAuthString(http_t *http, /* I - Connection to server */ |
355e94dc MS |
2797 | const char *scheme, /* I - Auth scheme (NULL to clear it) */ |
2798 | const char *data) /* I - Auth data (NULL for none) */ | |
2799 | { | |
2800 | /* | |
2801 | * Range check input... | |
2802 | */ | |
2803 | ||
2804 | if (!http) | |
2805 | return; | |
2806 | ||
2807 | if (http->authstring && http->authstring != http->_authstring) | |
2808 | free(http->authstring); | |
2809 | ||
2810 | http->authstring = http->_authstring; | |
2811 | ||
2812 | if (scheme) | |
2813 | { | |
2814 | /* | |
2815 | * Set the current authorization string... | |
2816 | */ | |
2817 | ||
2818 | int len = (int)strlen(scheme) + (data ? (int)strlen(data) + 1 : 0) + 1; | |
91c84a35 | 2819 | char *temp; |
355e94dc MS |
2820 | |
2821 | if (len > (int)sizeof(http->_authstring)) | |
91c84a35 MS |
2822 | { |
2823 | if ((temp = malloc(len)) == NULL) | |
2824 | len = sizeof(http->_authstring); | |
2825 | else | |
2826 | http->authstring = temp; | |
2827 | } | |
355e94dc MS |
2828 | |
2829 | if (data) | |
2830 | snprintf(http->authstring, len, "%s %s", scheme, data); | |
2831 | else | |
2832 | strlcpy(http->authstring, scheme, len); | |
2833 | } | |
2834 | else | |
2835 | { | |
2836 | /* | |
2837 | * Clear the current authorization string... | |
2838 | */ | |
2839 | ||
2840 | http->_authstring[0] = '\0'; | |
2841 | } | |
2842 | } | |
2843 | ||
2844 | ||
7cf5915e MS |
2845 | /* |
2846 | * 'httpSetCredentials()' - Set the credentials associated with an encrypted | |
2847 | * connection. | |
2848 | * | |
f3c17241 | 2849 | * @since CUPS 1.5/OS X 10.7@ |
7cf5915e MS |
2850 | */ |
2851 | ||
2852 | int /* O - Status of call (0 = success) */ | |
2853 | httpSetCredentials(http_t *http, /* I - Connection to server */ | |
2854 | cups_array_t *credentials) /* I - Array of credentials */ | |
2855 | { | |
2856 | if (!http || cupsArrayCount(credentials) < 1) | |
2857 | return (-1); | |
2858 | ||
2859 | _httpFreeCredentials(http->tls_credentials); | |
2860 | ||
85dda01c | 2861 | http->tls_credentials = _httpCreateCredentials(credentials); |
7cf5915e MS |
2862 | |
2863 | return (http->tls_credentials ? 0 : -1); | |
2864 | } | |
2865 | ||
2866 | ||
ef416fc2 | 2867 | /* |
6d2f911b | 2868 | * 'httpSetCookie()' - Set the cookie value(s). |
ef416fc2 | 2869 | * |
f3c17241 | 2870 | * @since CUPS 1.1.19/OS X 10.3@ |
ef416fc2 | 2871 | */ |
2872 | ||
2873 | void | |
2874 | httpSetCookie(http_t *http, /* I - Connection */ | |
2875 | const char *cookie) /* I - Cookie string */ | |
2876 | { | |
2877 | if (!http) | |
2878 | return; | |
2879 | ||
2880 | if (http->cookie) | |
2881 | free(http->cookie); | |
2882 | ||
2883 | if (cookie) | |
2884 | http->cookie = strdup(cookie); | |
2885 | else | |
2886 | http->cookie = NULL; | |
2887 | } | |
2888 | ||
2889 | ||
c1420c87 MS |
2890 | /* |
2891 | * 'httpSetDefaultField()' - Set the default value of an HTTP header. | |
2892 | * | |
6961465f MS |
2893 | * Currently only @code HTTP_FIELD_ACCEPT_ENCODING@, @code HTTP_FIELD_SERVER@, |
2894 | * and @code HTTP_FIELD_USER_AGENT@ can be set. | |
c1420c87 | 2895 | * |
9c0e8e5d | 2896 | * @since CUPS 1.7/OS X 10.9@ |
c1420c87 MS |
2897 | */ |
2898 | ||
2899 | void | |
2900 | httpSetDefaultField(http_t *http, /* I - Connection to server */ | |
2901 | http_field_t field, /* I - Field index */ | |
2902 | const char *value)/* I - Value */ | |
2903 | { | |
2904 | DEBUG_printf(("httpSetDefaultField(http=%p, field=%d(%s), value=\"%s\")", | |
2905 | http, field, http_fields[field], value)); | |
2906 | ||
2907 | if (!http) | |
2908 | return; | |
2909 | ||
2910 | switch (field) | |
2911 | { | |
2912 | case HTTP_FIELD_ACCEPT_ENCODING : | |
2913 | if (http->default_accept_encoding) | |
2914 | _cupsStrFree(http->default_accept_encoding); | |
2915 | ||
2916 | http->default_accept_encoding = value ? _cupsStrAlloc(value) : NULL; | |
2917 | break; | |
2918 | ||
2919 | case HTTP_FIELD_SERVER : | |
2920 | if (http->default_server) | |
2921 | _cupsStrFree(http->default_server); | |
2922 | ||
2923 | http->default_server = value ? _cupsStrAlloc(value) : NULL; | |
2924 | break; | |
2925 | ||
2926 | case HTTP_FIELD_USER_AGENT : | |
2927 | if (http->default_user_agent) | |
2928 | _cupsStrFree(http->default_user_agent); | |
2929 | ||
2930 | http->default_user_agent = value ? _cupsStrAlloc(value) : NULL; | |
2931 | break; | |
2932 | ||
2933 | default : | |
2934 | DEBUG_puts("1httpSetDefaultField: Ignored."); | |
2935 | break; | |
2936 | } | |
2937 | } | |
2938 | ||
2939 | ||
b423cd4c | 2940 | /* |
2941 | * 'httpSetExpect()' - Set the Expect: header in a request. | |
2942 | * | |
a469f8a5 MS |
2943 | * Currently only @code HTTP_STATUS_CONTINUE@ is supported for the "expect" |
2944 | * argument. | |
b423cd4c | 2945 | * |
f3c17241 | 2946 | * @since CUPS 1.2/OS X 10.5@ |
b423cd4c | 2947 | */ |
2948 | ||
2949 | void | |
568fa3fa | 2950 | httpSetExpect(http_t *http, /* I - Connection to server */ |
a469f8a5 | 2951 | http_status_t expect) /* I - HTTP status to expect |
cb7f98ee | 2952 | (@code HTTP_STATUS_CONTINUE@) */ |
b423cd4c | 2953 | { |
cb7f98ee MS |
2954 | DEBUG_printf(("httpSetExpect(http=%p, expect=%d)", http, expect)); |
2955 | ||
b423cd4c | 2956 | if (http) |
2957 | http->expect = expect; | |
2958 | } | |
2959 | ||
2960 | ||
ef416fc2 | 2961 | /* |
2962 | * 'httpSetField()' - Set the value of an HTTP header. | |
2963 | */ | |
2964 | ||
2965 | void | |
568fa3fa | 2966 | httpSetField(http_t *http, /* I - Connection to server */ |
ef416fc2 | 2967 | http_field_t field, /* I - Field index */ |
2968 | const char *value) /* I - Value */ | |
2969 | { | |
a469f8a5 MS |
2970 | DEBUG_printf(("httpSetField(http=%p, field=%d(%s), value=\"%s\")", http, |
2971 | field, http_fields[field], value)); | |
2972 | ||
ef416fc2 | 2973 | if (http == NULL || |
2974 | field < HTTP_FIELD_ACCEPT_LANGUAGE || | |
a469f8a5 | 2975 | field >= HTTP_FIELD_MAX || |
ef416fc2 | 2976 | value == NULL) |
2977 | return; | |
2978 | ||
a469f8a5 MS |
2979 | switch (field) |
2980 | { | |
2981 | case HTTP_FIELD_ACCEPT_ENCODING : | |
2982 | if (http->accept_encoding) | |
2983 | _cupsStrFree(http->accept_encoding); | |
2984 | ||
2985 | http->accept_encoding = _cupsStrAlloc(value); | |
2986 | break; | |
2987 | ||
2988 | case HTTP_FIELD_ALLOW : | |
2989 | if (http->allow) | |
2990 | _cupsStrFree(http->allow); | |
2991 | ||
2992 | http->allow = _cupsStrAlloc(value); | |
2993 | break; | |
2994 | ||
2995 | case HTTP_FIELD_SERVER : | |
2996 | if (http->server) | |
2997 | _cupsStrFree(http->server); | |
2998 | ||
2999 | http->server = _cupsStrAlloc(value); | |
3000 | break; | |
3001 | ||
3002 | default : | |
3003 | strlcpy(http->fields[field], value, HTTP_MAX_VALUE); | |
3004 | break; | |
3005 | } | |
f7deaa1a | 3006 | |
f7deaa1a | 3007 | if (field == HTTP_FIELD_AUTHORIZATION) |
3008 | { | |
e07d4801 MS |
3009 | /* |
3010 | * Special case for Authorization: as its contents can be | |
3011 | * longer than HTTP_MAX_VALUE | |
3012 | */ | |
3013 | ||
f7deaa1a | 3014 | if (http->field_authorization) |
3015 | free(http->field_authorization); | |
3016 | ||
3017 | http->field_authorization = strdup(value); | |
3018 | } | |
e07d4801 MS |
3019 | else if (field == HTTP_FIELD_HOST) |
3020 | { | |
3021 | /* | |
f11a948a MS |
3022 | * Special-case for Host: as we don't want a trailing "." on the hostname and |
3023 | * need to bracket IPv6 numeric addresses. | |
e07d4801 MS |
3024 | */ |
3025 | ||
178cb736 MS |
3026 | char *ptr = strchr(value, ':'); |
3027 | ||
3028 | if (value[0] != '[' && ptr && strchr(ptr + 1, ':')) | |
f11a948a MS |
3029 | { |
3030 | /* | |
3031 | * Bracket IPv6 numeric addresses... | |
3032 | * | |
3033 | * This is slightly inefficient (basically copying twice), but is an edge | |
3034 | * case and not worth optimizing... | |
3035 | */ | |
e07d4801 | 3036 | |
f11a948a MS |
3037 | snprintf(http->fields[HTTP_FIELD_HOST], |
3038 | sizeof(http->fields[HTTP_FIELD_HOST]), "[%s]", value); | |
3039 | } | |
3040 | else | |
e07d4801 | 3041 | { |
f11a948a MS |
3042 | /* |
3043 | * Check for a trailing dot on the hostname... | |
3044 | */ | |
3045 | ||
178cb736 | 3046 | ptr = http->fields[HTTP_FIELD_HOST]; |
f11a948a MS |
3047 | |
3048 | if (*ptr) | |
3049 | { | |
3050 | ptr += strlen(ptr) - 1; | |
e07d4801 | 3051 | |
f11a948a MS |
3052 | if (*ptr == '.') |
3053 | *ptr = '\0'; | |
3054 | } | |
e07d4801 MS |
3055 | } |
3056 | } | |
a469f8a5 MS |
3057 | #ifdef HAVE_LIBZ |
3058 | else if (field == HTTP_FIELD_CONTENT_ENCODING && | |
3059 | http->data_encoding != HTTP_ENCODING_FIELDS) | |
3060 | { | |
3061 | DEBUG_puts("1httpSetField: Calling http_content_coding_start."); | |
3062 | http_content_coding_start(http, value); | |
3063 | } | |
3064 | #endif /* HAVE_LIBZ */ | |
ef416fc2 | 3065 | } |
3066 | ||
3067 | ||
3068 | /* | |
3069 | * 'httpSetLength()' - Set the content-length and content-encoding. | |
3070 | * | |
f3c17241 | 3071 | * @since CUPS 1.2/OS X 10.5@ |
ef416fc2 | 3072 | */ |
3073 | ||
3074 | void | |
568fa3fa | 3075 | httpSetLength(http_t *http, /* I - Connection to server */ |
ef416fc2 | 3076 | size_t length) /* I - Length (0 for chunked) */ |
3077 | { | |
a469f8a5 MS |
3078 | DEBUG_printf(("httpSetLength(http=%p, length=" CUPS_LLFMT ")", http, |
3079 | CUPS_LLCAST length)); | |
3080 | ||
ef416fc2 | 3081 | if (!http) |
3082 | return; | |
3083 | ||
3084 | if (!length) | |
3085 | { | |
5a9febac MS |
3086 | strlcpy(http->fields[HTTP_FIELD_TRANSFER_ENCODING], "chunked", |
3087 | HTTP_MAX_VALUE); | |
ef416fc2 | 3088 | http->fields[HTTP_FIELD_CONTENT_LENGTH][0] = '\0'; |
3089 | } | |
3090 | else | |
3091 | { | |
3092 | http->fields[HTTP_FIELD_TRANSFER_ENCODING][0] = '\0'; | |
3093 | snprintf(http->fields[HTTP_FIELD_CONTENT_LENGTH], HTTP_MAX_VALUE, | |
3094 | CUPS_LLFMT, CUPS_LLCAST length); | |
3095 | } | |
3096 | } | |
3097 | ||
3098 | ||
10d09e33 | 3099 | /* |
f228370c | 3100 | * 'httpSetTimeout()' - Set read/write timeouts and an optional callback. |
10d09e33 MS |
3101 | * |
3102 | * The optional timeout callback receives both the HTTP connection and a user | |
f228370c MS |
3103 | * data pointer and must return 1 to continue or 0 to error (time) out. |
3104 | * | |
f3c17241 | 3105 | * @since CUPS 1.5/OS X 10.7@ |
10d09e33 MS |
3106 | */ |
3107 | ||
3108 | void | |
f228370c MS |
3109 | httpSetTimeout( |
3110 | http_t *http, /* I - Connection to server */ | |
3111 | double timeout, /* I - Number of seconds for timeout, | |
10d09e33 | 3112 | must be greater than 0 */ |
f228370c MS |
3113 | http_timeout_cb_t cb, /* I - Callback function or NULL */ |
3114 | void *user_data) /* I - User data pointer */ | |
10d09e33 MS |
3115 | { |
3116 | if (!http || timeout <= 0.0) | |
3117 | return; | |
3118 | ||
85dda01c MS |
3119 | http->timeout_cb = cb; |
3120 | http->timeout_data = user_data; | |
3121 | http->timeout_value = timeout; | |
10d09e33 MS |
3122 | |
3123 | if (http->fd >= 0) | |
85dda01c | 3124 | http_set_timeout(http->fd, timeout); |
c8fef167 | 3125 | |
85dda01c | 3126 | http_set_wait(http); |
10d09e33 MS |
3127 | } |
3128 | ||
3129 | ||
ef416fc2 | 3130 | /* |
3131 | * 'httpTrace()' - Send an TRACE request to the server. | |
3132 | */ | |
3133 | ||
3134 | int /* O - Status of call (0 = success) */ | |
568fa3fa | 3135 | httpTrace(http_t *http, /* I - Connection to server */ |
ef416fc2 | 3136 | const char *uri) /* I - URI for trace */ |
3137 | { | |
cb7f98ee | 3138 | return (http_send(http, HTTP_STATE_TRACE, uri)); |
ef416fc2 | 3139 | } |
3140 | ||
3141 | ||
3142 | /* | |
e60ec91f MS |
3143 | * '_httpUpdate()' - Update the current HTTP status for incoming data. |
3144 | * | |
3145 | * Note: Unlike httpUpdate(), this function does not flush pending write data | |
3146 | * and only retrieves a single status line from the HTTP connection. | |
ef416fc2 | 3147 | */ |
3148 | ||
e60ec91f MS |
3149 | int /* O - 1 to continue, 0 to stop */ |
3150 | _httpUpdate(http_t *http, /* I - Connection to server */ | |
3151 | http_status_t *status) /* O - Current HTTP status */ | |
ef416fc2 | 3152 | { |
3153 | char line[32768], /* Line from connection... */ | |
3154 | *value; /* Pointer to value on line */ | |
3155 | http_field_t field; /* Field index */ | |
e60ec91f | 3156 | int major, minor; /* HTTP version numbers */ |
ef416fc2 | 3157 | |
3158 | ||
e60ec91f | 3159 | DEBUG_printf(("_httpUpdate(http=%p, status=%p), state=%s", http, status, |
cb7f98ee | 3160 | http_state_string(http->state))); |
ef416fc2 | 3161 | |
3162 | /* | |
e60ec91f | 3163 | * Grab a single line from the connection... |
ef416fc2 | 3164 | */ |
3165 | ||
e60ec91f | 3166 | if (!httpGets(line, sizeof(line), http)) |
ef416fc2 | 3167 | { |
cb7f98ee | 3168 | *status = HTTP_STATUS_ERROR; |
e60ec91f | 3169 | return (0); |
ef416fc2 | 3170 | } |
3171 | ||
e60ec91f | 3172 | DEBUG_printf(("2_httpUpdate: Got \"%s\"", line)); |
ef416fc2 | 3173 | |
e60ec91f | 3174 | if (line[0] == '\0') |
ef416fc2 | 3175 | { |
e60ec91f MS |
3176 | /* |
3177 | * Blank line means the start of the data section (if any). Return | |
3178 | * the result code, too... | |
3179 | * | |
a469f8a5 MS |
3180 | * If we get status 100 (HTTP_STATUS_CONTINUE), then we *don't* change |
3181 | * states. Instead, we just return HTTP_STATUS_CONTINUE to the caller and | |
3182 | * keep on tryin'... | |
e60ec91f | 3183 | */ |
ef416fc2 | 3184 | |
a469f8a5 | 3185 | if (http->status == HTTP_STATUS_CONTINUE) |
ef416fc2 | 3186 | { |
e60ec91f MS |
3187 | *status = http->status; |
3188 | return (0); | |
3189 | } | |
ef416fc2 | 3190 | |
cb7f98ee | 3191 | if (http->status < HTTP_STATUS_BAD_REQUEST) |
e60ec91f | 3192 | http->digest_tries = 0; |
ef416fc2 | 3193 | |
3194 | #ifdef HAVE_SSL | |
cb7f98ee | 3195 | if (http->status == HTTP_STATUS_SWITCHING_PROTOCOLS && !http->tls) |
e60ec91f MS |
3196 | { |
3197 | if (http_setup_ssl(http) != 0) | |
ef416fc2 | 3198 | { |
ef416fc2 | 3199 | # ifdef WIN32 |
e60ec91f | 3200 | closesocket(http->fd); |
ef416fc2 | 3201 | # else |
e60ec91f | 3202 | close(http->fd); |
ef416fc2 | 3203 | # endif /* WIN32 */ |
3204 | ||
cb7f98ee | 3205 | *status = http->status = HTTP_STATUS_ERROR; |
e60ec91f | 3206 | return (0); |
ef416fc2 | 3207 | } |
e60ec91f | 3208 | |
a469f8a5 | 3209 | *status = HTTP_STATUS_CONTINUE; |
e60ec91f MS |
3210 | return (0); |
3211 | } | |
ef416fc2 | 3212 | #endif /* HAVE_SSL */ |
3213 | ||
a469f8a5 MS |
3214 | if (http_set_length(http) < 0) |
3215 | { | |
3216 | DEBUG_puts("1_httpUpdate: Bad Content-Length."); | |
3217 | http->error = EINVAL; | |
cb7f98ee | 3218 | http->status = *status = HTTP_STATUS_ERROR; |
a469f8a5 MS |
3219 | return (0); |
3220 | } | |
ef416fc2 | 3221 | |
e60ec91f MS |
3222 | switch (http->state) |
3223 | { | |
c41769ff MS |
3224 | case HTTP_STATE_GET : |
3225 | case HTTP_STATE_POST : | |
a469f8a5 | 3226 | case HTTP_STATE_POST_RECV : |
c41769ff | 3227 | case HTTP_STATE_PUT : |
e60ec91f | 3228 | http->state ++; |
a469f8a5 MS |
3229 | |
3230 | DEBUG_printf(("1_httpUpdate: Set state to %s.", | |
cb7f98ee | 3231 | http_state_string(http->state))); |
a469f8a5 | 3232 | |
c41769ff MS |
3233 | case HTTP_STATE_POST_SEND : |
3234 | case HTTP_STATE_HEAD : | |
e60ec91f | 3235 | break; |
ef416fc2 | 3236 | |
e60ec91f | 3237 | default : |
a469f8a5 MS |
3238 | http->state = HTTP_STATE_WAITING; |
3239 | ||
cb7f98ee | 3240 | DEBUG_puts("1_httpUpdate: Reset state to HTTP_STATE_WAITING."); |
e60ec91f | 3241 | break; |
ef416fc2 | 3242 | } |
e60ec91f | 3243 | |
a469f8a5 MS |
3244 | #ifdef HAVE_LIBZ |
3245 | DEBUG_puts("1_httpUpdate: Calling http_content_coding_start."); | |
3246 | http_content_coding_start(http, | |
3247 | httpGetField(http, HTTP_FIELD_CONTENT_ENCODING)); | |
3248 | #endif /* HAVE_LIBZ */ | |
3249 | ||
e60ec91f MS |
3250 | *status = http->status; |
3251 | return (0); | |
3252 | } | |
3253 | else if (!strncmp(line, "HTTP/", 5)) | |
3254 | { | |
3255 | /* | |
3256 | * Got the beginning of a response... | |
3257 | */ | |
3258 | ||
3259 | int intstatus; /* Status value as an integer */ | |
3260 | ||
3261 | if (sscanf(line, "HTTP/%d.%d%d", &major, &minor, &intstatus) != 3) | |
3262 | { | |
cb7f98ee | 3263 | *status = http->status = HTTP_STATUS_ERROR; |
e60ec91f MS |
3264 | return (0); |
3265 | } | |
3266 | ||
a469f8a5 MS |
3267 | httpClearFields(http); |
3268 | ||
e60ec91f MS |
3269 | http->version = (http_version_t)(major * 100 + minor); |
3270 | *status = http->status = (http_status_t)intstatus; | |
3271 | } | |
3272 | else if ((value = strchr(line, ':')) != NULL) | |
3273 | { | |
3274 | /* | |
3275 | * Got a value... | |
3276 | */ | |
3277 | ||
3278 | *value++ = '\0'; | |
3279 | while (_cups_isspace(*value)) | |
3280 | value ++; | |
3281 | ||
a469f8a5 MS |
3282 | DEBUG_printf(("1_httpUpdate: Header %s: %s", line, value)); |
3283 | ||
e60ec91f MS |
3284 | /* |
3285 | * Be tolerants of servers that send unknown attribute fields... | |
3286 | */ | |
3287 | ||
88f9aafc | 3288 | if (!_cups_strcasecmp(line, "expect")) |
ef416fc2 | 3289 | { |
3290 | /* | |
e60ec91f | 3291 | * "Expect: 100-continue" or similar... |
ef416fc2 | 3292 | */ |
3293 | ||
e60ec91f | 3294 | http->expect = (http_status_t)atoi(value); |
ef416fc2 | 3295 | } |
88f9aafc | 3296 | else if (!_cups_strcasecmp(line, "cookie")) |
ef416fc2 | 3297 | { |
3298 | /* | |
e60ec91f | 3299 | * "Cookie: name=value[; name=value ...]" - replaces previous cookies... |
ef416fc2 | 3300 | */ |
3301 | ||
e60ec91f MS |
3302 | httpSetCookie(http, value); |
3303 | } | |
3304 | else if ((field = http_field(line)) != HTTP_FIELD_UNKNOWN) | |
3305 | httpSetField(http, field, value); | |
3306 | #ifdef DEBUG | |
3307 | else | |
3308 | DEBUG_printf(("1_httpUpdate: unknown field %s seen!", line)); | |
3309 | #endif /* DEBUG */ | |
3310 | } | |
3311 | else | |
3312 | { | |
3313 | DEBUG_printf(("1_httpUpdate: Bad response line \"%s\"!", line)); | |
a469f8a5 | 3314 | http->error = EINVAL; |
cb7f98ee | 3315 | http->status = *status = HTTP_STATUS_ERROR; |
e60ec91f MS |
3316 | return (0); |
3317 | } | |
ef416fc2 | 3318 | |
e60ec91f MS |
3319 | return (1); |
3320 | } | |
ef416fc2 | 3321 | |
ef416fc2 | 3322 | |
e60ec91f MS |
3323 | /* |
3324 | * 'httpUpdate()' - Update the current HTTP state for incoming data. | |
3325 | */ | |
ef416fc2 | 3326 | |
e60ec91f MS |
3327 | http_status_t /* O - HTTP status */ |
3328 | httpUpdate(http_t *http) /* I - Connection to server */ | |
3329 | { | |
3330 | http_status_t status; /* Request status */ | |
3331 | ||
3332 | ||
3333 | DEBUG_printf(("httpUpdate(http=%p), state=%s", http, | |
cb7f98ee | 3334 | http_state_string(http->state))); |
e60ec91f MS |
3335 | |
3336 | /* | |
3337 | * Flush pending data, if any... | |
3338 | */ | |
3339 | ||
3340 | if (http->wused) | |
3341 | { | |
3342 | DEBUG_puts("2httpUpdate: flushing buffer..."); | |
3343 | ||
3344 | if (httpFlushWrite(http) < 0) | |
cb7f98ee | 3345 | return (HTTP_STATUS_ERROR); |
ef416fc2 | 3346 | } |
3347 | ||
e60ec91f MS |
3348 | /* |
3349 | * If we haven't issued any commands, then there is nothing to "update"... | |
3350 | */ | |
3351 | ||
a469f8a5 | 3352 | if (http->state == HTTP_STATE_WAITING) |
cb7f98ee | 3353 | return (HTTP_STATUS_CONTINUE); |
e60ec91f MS |
3354 | |
3355 | /* | |
3356 | * Grab all of the lines we can from the connection... | |
3357 | */ | |
3358 | ||
3359 | while (_httpUpdate(http, &status)); | |
3360 | ||
ef416fc2 | 3361 | /* |
3362 | * See if there was an error... | |
3363 | */ | |
3364 | ||
cb7f98ee | 3365 | if (http->error == EPIPE && http->status > HTTP_STATUS_CONTINUE) |
e07d4801 MS |
3366 | { |
3367 | DEBUG_printf(("1httpUpdate: Returning status %d...", http->status)); | |
ef416fc2 | 3368 | return (http->status); |
e07d4801 | 3369 | } |
ef416fc2 | 3370 | |
3371 | if (http->error) | |
3372 | { | |
e07d4801 | 3373 | DEBUG_printf(("1httpUpdate: socket error %d - %s", http->error, |
ef416fc2 | 3374 | strerror(http->error))); |
cb7f98ee MS |
3375 | http->status = HTTP_STATUS_ERROR; |
3376 | return (HTTP_STATUS_ERROR); | |
ef416fc2 | 3377 | } |
3378 | ||
3379 | /* | |
e60ec91f | 3380 | * Return the current status... |
ef416fc2 | 3381 | */ |
3382 | ||
e60ec91f | 3383 | return (status); |
ef416fc2 | 3384 | } |
3385 | ||
3386 | ||
38e73f87 MS |
3387 | /* |
3388 | * '_httpWait()' - Wait for data available on a connection (no flush). | |
3389 | */ | |
3390 | ||
3391 | int /* O - 1 if data is available, 0 otherwise */ | |
3392 | _httpWait(http_t *http, /* I - Connection to server */ | |
3393 | int msec, /* I - Milliseconds to wait */ | |
3394 | int usessl) /* I - Use SSL context? */ | |
3395 | { | |
3396 | #ifdef HAVE_POLL | |
3397 | struct pollfd pfd; /* Polled file descriptor */ | |
3398 | #else | |
3399 | fd_set input_set; /* select() input set */ | |
3400 | struct timeval timeout; /* Timeout */ | |
3401 | #endif /* HAVE_POLL */ | |
3402 | int nfds; /* Result from select()/poll() */ | |
3403 | ||
3404 | ||
e07d4801 | 3405 | DEBUG_printf(("4_httpWait(http=%p, msec=%d, usessl=%d)", http, msec, usessl)); |
38e73f87 MS |
3406 | |
3407 | if (http->fd < 0) | |
f8b3a85b MS |
3408 | { |
3409 | DEBUG_printf(("5_httpWait: Returning 0 since fd=%d", http->fd)); | |
38e73f87 | 3410 | return (0); |
f8b3a85b | 3411 | } |
38e73f87 MS |
3412 | |
3413 | /* | |
3414 | * Check the SSL/TLS buffers for data first... | |
3415 | */ | |
3416 | ||
3417 | #ifdef HAVE_SSL | |
3418 | if (http->tls && usessl) | |
3419 | { | |
3420 | # ifdef HAVE_LIBSSL | |
7cf5915e | 3421 | if (SSL_pending(http->tls)) |
f8b3a85b MS |
3422 | { |
3423 | DEBUG_puts("5_httpWait: Return 1 since there is pending SSL data."); | |
38e73f87 | 3424 | return (1); |
f8b3a85b MS |
3425 | } |
3426 | ||
38e73f87 | 3427 | # elif defined(HAVE_GNUTLS) |
7cf5915e | 3428 | if (gnutls_record_check_pending(http->tls)) |
f8b3a85b MS |
3429 | { |
3430 | DEBUG_puts("5_httpWait: Return 1 since there is pending SSL data."); | |
38e73f87 | 3431 | return (1); |
f8b3a85b MS |
3432 | } |
3433 | ||
38e73f87 MS |
3434 | # elif defined(HAVE_CDSASSL) |
3435 | size_t bytes; /* Bytes that are available */ | |
3436 | ||
7cf5915e | 3437 | if (!SSLGetBufferedReadSize(http->tls, &bytes) && |
38e73f87 | 3438 | bytes > 0) |
f8b3a85b MS |
3439 | { |
3440 | DEBUG_puts("5_httpWait: Return 1 since there is pending SSL data."); | |
38e73f87 | 3441 | return (1); |
f8b3a85b | 3442 | } |
38e73f87 MS |
3443 | # endif /* HAVE_LIBSSL */ |
3444 | } | |
3445 | #endif /* HAVE_SSL */ | |
3446 | ||
3447 | /* | |
3448 | * Then try doing a select() or poll() to poll the socket... | |
3449 | */ | |
3450 | ||
3451 | #ifdef HAVE_POLL | |
3452 | pfd.fd = http->fd; | |
3453 | pfd.events = POLLIN; | |
3454 | ||
5a9febac MS |
3455 | do |
3456 | { | |
3457 | nfds = poll(&pfd, 1, msec); | |
3458 | } | |
3459 | while (nfds < 0 && (errno == EINTR || errno == EAGAIN)); | |
38e73f87 MS |
3460 | |
3461 | #else | |
3462 | do | |
3463 | { | |
3464 | FD_ZERO(&input_set); | |
3465 | FD_SET(http->fd, &input_set); | |
3466 | ||
e07d4801 | 3467 | DEBUG_printf(("6_httpWait: msec=%d, http->fd=%d", msec, http->fd)); |
38e73f87 MS |
3468 | |
3469 | if (msec >= 0) | |
3470 | { | |
3471 | timeout.tv_sec = msec / 1000; | |
3472 | timeout.tv_usec = (msec % 1000) * 1000; | |
3473 | ||
3474 | nfds = select(http->fd + 1, &input_set, NULL, NULL, &timeout); | |
3475 | } | |
3476 | else | |
3477 | nfds = select(http->fd + 1, &input_set, NULL, NULL, NULL); | |
3478 | ||
e07d4801 | 3479 | DEBUG_printf(("6_httpWait: select() returned %d...", nfds)); |
38e73f87 MS |
3480 | } |
3481 | # ifdef WIN32 | |
cc754834 MS |
3482 | while (nfds < 0 && (WSAGetLastError() == WSAEINTR || |
3483 | WSAGetLastError() == WSAEWOULDBLOCK)); | |
38e73f87 | 3484 | # else |
e07d4801 | 3485 | while (nfds < 0 && (errno == EINTR || errno == EAGAIN)); |
38e73f87 MS |
3486 | # endif /* WIN32 */ |
3487 | #endif /* HAVE_POLL */ | |
3488 | ||
f8b3a85b MS |
3489 | DEBUG_printf(("5_httpWait: returning with nfds=%d, errno=%d...", nfds, |
3490 | errno)); | |
38e73f87 MS |
3491 | |
3492 | return (nfds > 0); | |
3493 | } | |
3494 | ||
3495 | ||
ef416fc2 | 3496 | /* |
3497 | * 'httpWait()' - Wait for data available on a connection. | |
3498 | * | |
f3c17241 | 3499 | * @since CUPS 1.1.19/OS X 10.3@ |
ef416fc2 | 3500 | */ |
3501 | ||
3502 | int /* O - 1 if data is available, 0 otherwise */ | |
568fa3fa | 3503 | httpWait(http_t *http, /* I - Connection to server */ |
ef416fc2 | 3504 | int msec) /* I - Milliseconds to wait */ |
3505 | { | |
3506 | /* | |
3507 | * First see if there is data in the buffer... | |
3508 | */ | |
3509 | ||
22c9029b MS |
3510 | DEBUG_printf(("2httpWait(http=%p, msec=%d)", http, msec)); |
3511 | ||
ef416fc2 | 3512 | if (http == NULL) |
3513 | return (0); | |
3514 | ||
3515 | if (http->used) | |
22c9029b MS |
3516 | { |
3517 | DEBUG_puts("3httpWait: Returning 1 since there is buffered data ready."); | |
ef416fc2 | 3518 | return (1); |
22c9029b | 3519 | } |
ef416fc2 | 3520 | |
0fa6c7fa MS |
3521 | #ifdef HAVE_LIBZ |
3522 | if (http->coding >= _HTTP_CODING_GUNZIP && http->stream.avail_in > 0) | |
3523 | { | |
3524 | DEBUG_puts("3httpWait: Returning 1 since there is buffered data ready."); | |
3525 | return (1); | |
3526 | } | |
3527 | #endif /* HAVE_LIBZ */ | |
3528 | ||
8ca02f3c | 3529 | /* |
3530 | * Flush pending data, if any... | |
3531 | */ | |
3532 | ||
3533 | if (http->wused) | |
3534 | { | |
22c9029b MS |
3535 | DEBUG_puts("3httpWait: Flushing write buffer."); |
3536 | ||
8ca02f3c | 3537 | if (httpFlushWrite(http) < 0) |
3538 | return (0); | |
3539 | } | |
3540 | ||
ef416fc2 | 3541 | /* |
3542 | * If not, check the SSL/TLS buffers and do a select() on the connection... | |
3543 | */ | |
3544 | ||
38e73f87 | 3545 | return (_httpWait(http, msec, 1)); |
ef416fc2 | 3546 | } |
3547 | ||
3548 | ||
3549 | /* | |
3550 | * 'httpWrite()' - Write data to a HTTP connection. | |
a4d04587 | 3551 | * |
3552 | * This function is deprecated. Use the httpWrite2() function which can | |
3553 | * write more than 2GB of data. | |
3554 | * | |
3555 | * @deprecated@ | |
ef416fc2 | 3556 | */ |
ef55b745 | 3557 | |
ef416fc2 | 3558 | int /* O - Number of bytes written */ |
568fa3fa | 3559 | httpWrite(http_t *http, /* I - Connection to server */ |
ef416fc2 | 3560 | const char *buffer, /* I - Buffer for data */ |
3561 | int length) /* I - Number of bytes to write */ | |
3562 | { | |
a4d04587 | 3563 | return ((int)httpWrite2(http, buffer, length)); |
3564 | } | |
3565 | ||
3566 | ||
3567 | /* | |
3568 | * 'httpWrite2()' - Write data to a HTTP connection. | |
ecdc0628 | 3569 | * |
f3c17241 | 3570 | * @since CUPS 1.2/OS X 10.5@ |
a4d04587 | 3571 | */ |
ef55b745 | 3572 | |
a4d04587 | 3573 | ssize_t /* O - Number of bytes written */ |
568fa3fa | 3574 | httpWrite2(http_t *http, /* I - Connection to server */ |
a4d04587 | 3575 | const char *buffer, /* I - Buffer for data */ |
3576 | size_t length) /* I - Number of bytes to write */ | |
3577 | { | |
3578 | ssize_t bytes; /* Bytes written */ | |
ef416fc2 | 3579 | |
3580 | ||
e07d4801 | 3581 | DEBUG_printf(("httpWrite2(http=%p, buffer=%p, length=" CUPS_LLFMT ")", http, |
a603edef | 3582 | buffer, CUPS_LLCAST length)); |
ef416fc2 | 3583 | |
3584 | /* | |
3585 | * Range check input... | |
3586 | */ | |
3587 | ||
a469f8a5 MS |
3588 | if (!http || !buffer) |
3589 | { | |
3590 | DEBUG_puts("1httpWrite2: Returning -1 due to bad input."); | |
ef416fc2 | 3591 | return (-1); |
a469f8a5 | 3592 | } |
ef416fc2 | 3593 | |
3594 | /* | |
3595 | * Mark activity on the connection... | |
3596 | */ | |
3597 | ||
3598 | http->activity = time(NULL); | |
3599 | ||
3600 | /* | |
3601 | * Buffer small writes for better performance... | |
3602 | */ | |
3603 | ||
a469f8a5 MS |
3604 | #ifdef HAVE_LIBZ |
3605 | if (http->coding) | |
3606 | { | |
3607 | DEBUG_printf(("1httpWrite2: http->coding=%d", http->coding)); | |
3608 | ||
3609 | if (length == 0) | |
3610 | { | |
3611 | http_content_coding_finish(http); | |
3612 | bytes = 0; | |
3613 | } | |
3614 | else | |
3615 | { | |
3616 | http->stream.next_in = (Bytef *)buffer; | |
3617 | http->stream.avail_in = length; | |
3618 | http->stream.next_out = (Bytef *)http->wbuffer + http->wused; | |
3619 | http->stream.avail_out = sizeof(http->wbuffer) - http->wused; | |
3620 | ||
3621 | while (deflate(&(http->stream), Z_NO_FLUSH) == Z_OK) | |
3622 | { | |
3623 | http->wused = sizeof(http->wbuffer) - http->stream.avail_out; | |
3624 | ||
3625 | if (http->stream.avail_out == 0) | |
3626 | { | |
3627 | if (httpFlushWrite(http) < 0) | |
3628 | { | |
3629 | DEBUG_puts("1httpWrite2: Unable to flush, returning -1."); | |
3630 | return (-1); | |
3631 | } | |
3632 | ||
3633 | http->stream.next_out = (Bytef *)http->wbuffer; | |
3634 | http->stream.avail_out = sizeof(http->wbuffer); | |
3635 | } | |
3636 | } | |
3637 | ||
3638 | http->wused = sizeof(http->wbuffer) - http->stream.avail_out; | |
3639 | bytes = length; | |
3640 | } | |
3641 | } | |
3642 | else | |
3643 | #endif /* HAVE_LIBZ */ | |
ef416fc2 | 3644 | if (length > 0) |
3645 | { | |
3646 | if (http->wused && (length + http->wused) > sizeof(http->wbuffer)) | |
3647 | { | |
e07d4801 MS |
3648 | DEBUG_printf(("2httpWrite2: Flushing buffer (wused=%d, length=" |
3649 | CUPS_LLFMT ")", http->wused, CUPS_LLCAST length)); | |
ef416fc2 | 3650 | |
3651 | httpFlushWrite(http); | |
3652 | } | |
3653 | ||
38e73f87 MS |
3654 | if ((length + http->wused) <= sizeof(http->wbuffer) && |
3655 | length < sizeof(http->wbuffer)) | |
ef416fc2 | 3656 | { |
3657 | /* | |
3658 | * Write to buffer... | |
3659 | */ | |
3660 | ||
e07d4801 | 3661 | DEBUG_printf(("2httpWrite2: Copying " CUPS_LLFMT " bytes to wbuffer...", |
a603edef | 3662 | CUPS_LLCAST length)); |
ef416fc2 | 3663 | |
3664 | memcpy(http->wbuffer + http->wused, buffer, length); | |
b86bc4cf | 3665 | http->wused += (int)length; |
3666 | bytes = (ssize_t)length; | |
ef416fc2 | 3667 | } |
3668 | else | |
3669 | { | |
3670 | /* | |
3671 | * Otherwise write the data directly... | |
3672 | */ | |
3673 | ||
e07d4801 | 3674 | DEBUG_printf(("2httpWrite2: Writing " CUPS_LLFMT " bytes to socket...", |
a603edef | 3675 | CUPS_LLCAST length)); |
ef416fc2 | 3676 | |
a469f8a5 | 3677 | if (http->data_encoding == HTTP_ENCODING_CHUNKED) |
b86bc4cf | 3678 | bytes = (ssize_t)http_write_chunk(http, buffer, (int)length); |
ef416fc2 | 3679 | else |
b86bc4cf | 3680 | bytes = (ssize_t)http_write(http, buffer, (int)length); |
ef416fc2 | 3681 | |
e07d4801 | 3682 | DEBUG_printf(("2httpWrite2: Wrote " CUPS_LLFMT " bytes...", |
ae71f5de | 3683 | CUPS_LLCAST bytes)); |
ef416fc2 | 3684 | } |
3685 | ||
a469f8a5 | 3686 | if (http->data_encoding == HTTP_ENCODING_LENGTH) |
ef416fc2 | 3687 | http->data_remaining -= bytes; |
3688 | } | |
3689 | else | |
3690 | bytes = 0; | |
3691 | ||
3692 | /* | |
3693 | * Handle end-of-request processing... | |
3694 | */ | |
3695 | ||
a469f8a5 MS |
3696 | if ((http->data_encoding == HTTP_ENCODING_CHUNKED && length == 0) || |
3697 | (http->data_encoding == HTTP_ENCODING_LENGTH && http->data_remaining == 0)) | |
ef416fc2 | 3698 | { |
3699 | /* | |
3700 | * Finished with the transfer; unless we are sending POST or PUT | |
3701 | * data, go idle... | |
3702 | */ | |
3703 | ||
db8b865d MS |
3704 | #ifdef HAVE_LIBZ |
3705 | if (http->coding) | |
3706 | http_content_coding_finish(http); | |
3707 | #endif /* HAVE_LIBZ */ | |
3708 | ||
ef416fc2 | 3709 | if (http->wused) |
a469f8a5 MS |
3710 | { |
3711 | if (httpFlushWrite(http) < 0) | |
3712 | return (-1); | |
3713 | } | |
ef416fc2 | 3714 | |
a469f8a5 | 3715 | if (http->data_encoding == HTTP_ENCODING_CHUNKED) |
ef416fc2 | 3716 | { |
3717 | /* | |
3718 | * Send a 0-length chunk at the end of the request... | |
3719 | */ | |
3720 | ||
3721 | http_write(http, "0\r\n\r\n", 5); | |
3722 | ||
3723 | /* | |
3724 | * Reset the data state... | |
3725 | */ | |
3726 | ||
a469f8a5 | 3727 | http->data_encoding = HTTP_ENCODING_FIELDS; |
ef416fc2 | 3728 | http->data_remaining = 0; |
3729 | } | |
a469f8a5 MS |
3730 | |
3731 | if (http->state == HTTP_STATE_POST_RECV) | |
3732 | http->state ++; | |
ad29aeab MS |
3733 | else if (http->state == HTTP_STATE_POST_SEND) |
3734 | http->state = HTTP_STATE_WAITING; | |
db8b865d | 3735 | else |
cb7f98ee | 3736 | http->state = HTTP_STATE_STATUS; |
a469f8a5 | 3737 | |
db8b865d | 3738 | DEBUG_printf(("2httpWrite2: Changed state to %s.", |
cb7f98ee | 3739 | http_state_string(http->state))); |
ef416fc2 | 3740 | } |
3741 | ||
a469f8a5 MS |
3742 | DEBUG_printf(("1httpWrite2: Returning " CUPS_LLFMT ".", CUPS_LLCAST bytes)); |
3743 | ||
ef416fc2 | 3744 | return (bytes); |
3745 | } | |
3746 | ||
3747 | ||
3748 | #if defined(HAVE_SSL) && defined(HAVE_CDSASSL) | |
3749 | /* | |
411affcf | 3750 | * '_httpWriteCDSA()' - Write function for the CDSA library. |
ef416fc2 | 3751 | */ |
3752 | ||
3753 | OSStatus /* O - -1 on error, 0 on success */ | |
3754 | _httpWriteCDSA( | |
3755 | SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3756 | const void *data, /* I - Data buffer */ | |
3757 | size_t *dataLength) /* IO - Number of bytes */ | |
3758 | { | |
411affcf | 3759 | OSStatus result; /* Return value */ |
3760 | ssize_t bytes; /* Number of bytes read */ | |
3761 | http_t *http; /* HTTP connection */ | |
e53920b9 | 3762 | |
3763 | ||
411affcf | 3764 | http = (http_t *)connection; |
ef416fc2 | 3765 | |
b423cd4c | 3766 | do |
411affcf | 3767 | { |
3768 | bytes = write(http->fd, data, *dataLength); | |
3769 | } | |
e07d4801 | 3770 | while (bytes == -1 && (errno == EINTR || errno == EAGAIN)); |
fa73b229 | 3771 | |
b423cd4c | 3772 | if (bytes == *dataLength) |
411affcf | 3773 | { |
b423cd4c | 3774 | result = 0; |
411affcf | 3775 | } |
b423cd4c | 3776 | else if (bytes >= 0) |
3777 | { | |
3778 | *dataLength = bytes; | |
3779 | result = errSSLWouldBlock; | |
3780 | } | |
3781 | else | |
3782 | { | |
3783 | *dataLength = 0; | |
ef55b745 | 3784 | |
fa73b229 | 3785 | if (errno == EAGAIN) |
b423cd4c | 3786 | result = errSSLWouldBlock; |
b423cd4c | 3787 | else |
ed486911 | 3788 | result = errSSLClosedAbort; |
ef416fc2 | 3789 | } |
b423cd4c | 3790 | |
411affcf | 3791 | return (result); |
ef416fc2 | 3792 | } |
3793 | #endif /* HAVE_SSL && HAVE_CDSASSL */ | |
3794 | ||
3795 | ||
411affcf | 3796 | #if defined(HAVE_SSL) && defined(HAVE_GNUTLS) |
3797 | /* | |
3798 | * '_httpWriteGNUTLS()' - Write function for the GNU TLS library. | |
3799 | */ | |
3800 | ||
3801 | ssize_t /* O - Number of bytes written or -1 on error */ | |
3802 | _httpWriteGNUTLS( | |
568fa3fa | 3803 | gnutls_transport_ptr ptr, /* I - Connection to server */ |
411affcf | 3804 | const void *data, /* I - Data buffer */ |
3805 | size_t length) /* I - Number of bytes to write */ | |
3806 | { | |
a4845881 MS |
3807 | ssize_t bytes; /* Bytes written */ |
3808 | ||
3809 | ||
3810 | DEBUG_printf(("6_httpWriteGNUTLS(ptr=%p, data=%p, length=%d)", ptr, data, | |
3811 | (int)length)); | |
a2326b5b | 3812 | #ifdef DEBUG |
a4845881 | 3813 | http_debug_hex("_httpWriteGNUTLS", data, (int)length); |
a2326b5b | 3814 | #endif /* DEBUG */ |
a4845881 MS |
3815 | |
3816 | bytes = send(((http_t *)ptr)->fd, data, length, 0); | |
3817 | DEBUG_printf(("_httpWriteGNUTLS: bytes=%d", (int)bytes)); | |
a2326b5b | 3818 | |
a4845881 | 3819 | return (bytes); |
411affcf | 3820 | } |
3821 | #endif /* HAVE_SSL && HAVE_GNUTLS */ | |
3822 | ||
3823 | ||
a469f8a5 MS |
3824 | /* |
3825 | * 'httpWriteResponse()' - Write a HTTP response to a client connection. | |
3826 | * | |
9c0e8e5d | 3827 | * @since CUPS 1.7/OS X 10.9@ |
a469f8a5 MS |
3828 | */ |
3829 | ||
3830 | int /* O - 0 on success, -1 on error */ | |
3831 | httpWriteResponse(http_t *http, /* I - HTTP connection */ | |
3832 | http_status_t status) /* I - Status code */ | |
3833 | { | |
3834 | http_encoding_t old_encoding; /* Old data_encoding value */ | |
3835 | off_t old_remaining; /* Old data_remaining value */ | |
3836 | ||
3837 | ||
3838 | /* | |
3839 | * Range check input... | |
3840 | */ | |
3841 | ||
3842 | DEBUG_printf(("httpWriteResponse(http=%p, status=%d)", http, status)); | |
3843 | ||
3844 | if (!http || status < HTTP_STATUS_CONTINUE) | |
3845 | { | |
3846 | DEBUG_puts("1httpWriteResponse: Bad input."); | |
3847 | return (-1); | |
3848 | } | |
3849 | ||
3850 | /* | |
3851 | * Set the various standard fields if they aren't already... | |
3852 | */ | |
3853 | ||
3854 | if (!http->fields[HTTP_FIELD_DATE][0]) | |
3855 | httpSetField(http, HTTP_FIELD_DATE, httpGetDateString(time(NULL))); | |
3856 | ||
cb7f98ee | 3857 | if (status >= HTTP_STATUS_BAD_REQUEST && http->keep_alive) |
a469f8a5 MS |
3858 | { |
3859 | http->keep_alive = 0; | |
3860 | httpSetField(http, HTTP_FIELD_KEEP_ALIVE, ""); | |
3861 | } | |
3862 | ||
3863 | if (http->version == HTTP_VERSION_1_1) | |
3864 | { | |
3865 | if (!http->fields[HTTP_FIELD_CONNECTION][0]) | |
3866 | { | |
3867 | if (http->keep_alive) | |
3868 | httpSetField(http, HTTP_FIELD_CONNECTION, "Keep-Alive"); | |
3869 | else | |
3870 | httpSetField(http, HTTP_FIELD_CONNECTION, "close"); | |
3871 | } | |
3872 | ||
3873 | if (http->keep_alive && !http->fields[HTTP_FIELD_KEEP_ALIVE][0]) | |
3874 | httpSetField(http, HTTP_FIELD_KEEP_ALIVE, "timeout=10"); | |
3875 | } | |
3876 | ||
3877 | #ifdef HAVE_SSL | |
3878 | if (status == HTTP_STATUS_UPGRADE_REQUIRED) | |
3879 | { | |
3880 | if (!http->fields[HTTP_FIELD_CONNECTION][0]) | |
3881 | httpSetField(http, HTTP_FIELD_CONNECTION, "Upgrade"); | |
3882 | ||
3883 | if (!http->fields[HTTP_FIELD_UPGRADE][0]) | |
3884 | httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2,TLS/1.1,TLS/1.0"); | |
3885 | } | |
3886 | #endif /* HAVE_SSL */ | |
3887 | ||
3888 | if (!http->server) | |
c1420c87 MS |
3889 | httpSetField(http, HTTP_FIELD_SERVER, |
3890 | http->default_server ? http->default_server : CUPS_MINIMAL); | |
a469f8a5 | 3891 | |
a469f8a5 MS |
3892 | /* |
3893 | * Set the Accept-Encoding field if it isn't already... | |
3894 | */ | |
3895 | ||
3896 | if (!http->accept_encoding) | |
c1420c87 MS |
3897 | httpSetField(http, HTTP_FIELD_ACCEPT_ENCODING, |
3898 | http->default_accept_encoding ? http->default_accept_encoding : | |
3899 | #ifdef HAVE_LIBZ | |
3900 | "gzip, deflate, identity"); | |
3901 | #else | |
3902 | "identity"); | |
a469f8a5 MS |
3903 | #endif /* HAVE_LIBZ */ |
3904 | ||
3905 | /* | |
3906 | * Send the response header... | |
3907 | */ | |
3908 | ||
3909 | old_encoding = http->data_encoding; | |
3910 | old_remaining = http->data_remaining; | |
3911 | http->data_encoding = HTTP_ENCODING_FIELDS; | |
3912 | ||
3913 | if (httpPrintf(http, "HTTP/%d.%d %d %s\r\n", http->version / 100, | |
3914 | http->version % 100, (int)status, httpStatus(status)) < 0) | |
3915 | { | |
3916 | http->status = HTTP_STATUS_ERROR; | |
3917 | return (-1); | |
3918 | } | |
3919 | ||
3920 | if (status != HTTP_STATUS_CONTINUE) | |
3921 | { | |
3922 | /* | |
3923 | * 100 Continue doesn't have the rest of the response headers... | |
3924 | */ | |
3925 | ||
3926 | int i; /* Looping var */ | |
3927 | const char *value; /* Field value */ | |
3928 | ||
3929 | for (i = 0; i < HTTP_FIELD_MAX; i ++) | |
3930 | { | |
3931 | if ((value = httpGetField(http, i)) != NULL && *value) | |
3932 | { | |
3933 | if (httpPrintf(http, "%s: %s\r\n", http_fields[i], value) < 1) | |
3934 | { | |
3935 | http->status = HTTP_STATUS_ERROR; | |
3936 | return (-1); | |
3937 | } | |
3938 | } | |
3939 | } | |
3940 | ||
3941 | if (http->cookie) | |
3942 | { | |
3943 | if (httpPrintf(http, "Set-Cookie: %s path=/%s\r\n", http->cookie, | |
3944 | http->tls ? " secure" : "") < 1) | |
3945 | { | |
cb7f98ee | 3946 | http->status = HTTP_STATUS_ERROR; |
a469f8a5 MS |
3947 | return (-1); |
3948 | } | |
3949 | } | |
3950 | } | |
3951 | ||
3952 | if (httpWrite2(http, "\r\n", 2) < 2) | |
3953 | { | |
cb7f98ee | 3954 | http->status = HTTP_STATUS_ERROR; |
a469f8a5 MS |
3955 | return (-1); |
3956 | } | |
3957 | ||
3958 | if (httpFlushWrite(http) < 0) | |
3959 | { | |
cb7f98ee | 3960 | http->status = HTTP_STATUS_ERROR; |
a469f8a5 MS |
3961 | return (-1); |
3962 | } | |
3963 | ||
3964 | if (status == HTTP_STATUS_CONTINUE) | |
3965 | { | |
3966 | /* | |
3967 | * Restore the old data_encoding and data_length values... | |
3968 | */ | |
3969 | ||
3970 | http->data_encoding = old_encoding; | |
3971 | http->data_remaining = old_remaining; | |
3972 | ||
3973 | if (old_remaining <= INT_MAX) | |
3974 | http->_data_remaining = (int)old_remaining; | |
3975 | else | |
3976 | http->_data_remaining = INT_MAX; | |
3977 | } | |
3978 | else if (http->state == HTTP_STATE_OPTIONS || | |
3979 | http->state == HTTP_STATE_HEAD || | |
3980 | http->state == HTTP_STATE_PUT || | |
3981 | http->state == HTTP_STATE_TRACE || | |
cb7f98ee MS |
3982 | http->state == HTTP_STATE_CONNECT || |
3983 | http->state == HTTP_STATE_STATUS) | |
a469f8a5 MS |
3984 | { |
3985 | DEBUG_printf(("1httpWriteResponse: Resetting state to HTTP_STATE_WAITING, " | |
cb7f98ee | 3986 | "was %s.", http_state_string(http->state))); |
a469f8a5 MS |
3987 | http->state = HTTP_STATE_WAITING; |
3988 | } | |
3989 | else | |
3990 | { | |
3991 | /* | |
3992 | * Force data_encoding and data_length to be set according to the response | |
3993 | * headers... | |
3994 | */ | |
3995 | ||
3996 | http_set_length(http); | |
3997 | ||
db8b865d | 3998 | #ifdef HAVE_LIBZ |
a469f8a5 MS |
3999 | /* |
4000 | * Then start any content encoding... | |
4001 | */ | |
4002 | ||
4003 | DEBUG_puts("1httpWriteResponse: Calling http_content_coding_start."); | |
4004 | http_content_coding_start(http, | |
4005 | httpGetField(http, HTTP_FIELD_CONTENT_ENCODING)); | |
db8b865d | 4006 | #endif /* HAVE_LIBZ */ |
a469f8a5 MS |
4007 | } |
4008 | ||
4009 | return (0); | |
4010 | } | |
4011 | ||
4012 | ||
411affcf | 4013 | #if defined(HAVE_SSL) && defined(HAVE_LIBSSL) |
4014 | /* | |
4015 | * 'http_bio_ctrl()' - Control the HTTP connection. | |
4016 | */ | |
4017 | ||
4018 | static long /* O - Result/data */ | |
4019 | http_bio_ctrl(BIO *h, /* I - BIO data */ | |
4020 | int cmd, /* I - Control command */ | |
4021 | long arg1, /* I - First argument */ | |
4022 | void *arg2) /* I - Second argument */ | |
4023 | { | |
4024 | switch (cmd) | |
4025 | { | |
4026 | default : | |
4027 | return (0); | |
4028 | ||
4029 | case BIO_CTRL_RESET : | |
4030 | h->ptr = NULL; | |
4031 | return (0); | |
4032 | ||
4033 | case BIO_C_SET_FILE_PTR : | |
4034 | h->ptr = arg2; | |
4035 | h->init = 1; | |
4036 | return (1); | |
4037 | ||
4038 | case BIO_C_GET_FILE_PTR : | |
4039 | if (arg2) | |
4040 | { | |
4041 | *((void **)arg2) = h->ptr; | |
4042 | return (1); | |
4043 | } | |
4044 | else | |
4045 | return (0); | |
ef55b745 | 4046 | |
411affcf | 4047 | case BIO_CTRL_DUP : |
4048 | case BIO_CTRL_FLUSH : | |
4049 | return (1); | |
4050 | } | |
4051 | } | |
4052 | ||
4053 | ||
4054 | /* | |
4055 | * 'http_bio_free()' - Free OpenSSL data. | |
4056 | */ | |
4057 | ||
4058 | static int /* O - 1 on success, 0 on failure */ | |
4059 | http_bio_free(BIO *h) /* I - BIO data */ | |
4060 | { | |
4061 | if (!h) | |
4062 | return (0); | |
4063 | ||
4064 | if (h->shutdown) | |
4065 | { | |
4066 | h->init = 0; | |
4067 | h->flags = 0; | |
4068 | } | |
4069 | ||
4070 | return (1); | |
4071 | } | |
4072 | ||
4073 | ||
4074 | /* | |
4075 | * 'http_bio_new()' - Initialize an OpenSSL BIO structure. | |
4076 | */ | |
4077 | ||
4078 | static int /* O - 1 on success, 0 on failure */ | |
4079 | http_bio_new(BIO *h) /* I - BIO data */ | |
4080 | { | |
4081 | if (!h) | |
4082 | return (0); | |
4083 | ||
4084 | h->init = 0; | |
4085 | h->num = 0; | |
4086 | h->ptr = NULL; | |
4087 | h->flags = 0; | |
4088 | ||
4089 | return (1); | |
4090 | } | |
4091 | ||
4092 | ||
4093 | /* | |
4094 | * 'http_bio_puts()' - Send a string for OpenSSL. | |
4095 | */ | |
4096 | ||
4097 | static int /* O - Bytes written */ | |
4098 | http_bio_puts(BIO *h, /* I - BIO data */ | |
4099 | const char *str) /* I - String to write */ | |
4100 | { | |
b86bc4cf | 4101 | #ifdef WIN32 |
4102 | return (send(((http_t *)h->ptr)->fd, str, (int)strlen(str), 0)); | |
4103 | #else | |
411affcf | 4104 | return (send(((http_t *)h->ptr)->fd, str, strlen(str), 0)); |
b86bc4cf | 4105 | #endif /* WIN32 */ |
411affcf | 4106 | } |
4107 | ||
4108 | ||
4109 | /* | |
4110 | * 'http_bio_read()' - Read data for OpenSSL. | |
4111 | */ | |
4112 | ||
4113 | static int /* O - Bytes read */ | |
4114 | http_bio_read(BIO *h, /* I - BIO data */ | |
4115 | char *buf, /* I - Buffer */ | |
4116 | int size) /* I - Number of bytes to read */ | |
4117 | { | |
4118 | http_t *http; /* HTTP connection */ | |
4119 | ||
4120 | ||
4121 | http = (http_t *)h->ptr; | |
4122 | ||
4123 | if (!http->blocking) | |
4124 | { | |
4125 | /* | |
4126 | * Make sure we have data before we read... | |
4127 | */ | |
4128 | ||
85dda01c | 4129 | while (!_httpWait(http, http->wait_value, 0)) |
411affcf | 4130 | { |
f228370c MS |
4131 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) |
4132 | continue; | |
4133 | ||
b86bc4cf | 4134 | #ifdef WIN32 |
4135 | http->error = WSAETIMEDOUT; | |
4136 | #else | |
411affcf | 4137 | http->error = ETIMEDOUT; |
b86bc4cf | 4138 | #endif /* WIN32 */ |
4139 | ||
411affcf | 4140 | return (-1); |
4141 | } | |
4142 | } | |
4143 | ||
4144 | return (recv(http->fd, buf, size, 0)); | |
4145 | } | |
4146 | ||
4147 | ||
4148 | /* | |
4149 | * 'http_bio_write()' - Write data for OpenSSL. | |
4150 | */ | |
4151 | ||
4152 | static int /* O - Bytes written */ | |
4153 | http_bio_write(BIO *h, /* I - BIO data */ | |
4154 | const char *buf, /* I - Buffer to write */ | |
4155 | int num) /* I - Number of bytes to write */ | |
4156 | { | |
4157 | return (send(((http_t *)h->ptr)->fd, buf, num, 0)); | |
4158 | } | |
4159 | #endif /* HAVE_SSL && HAVE_LIBSSL */ | |
4160 | ||
4161 | ||
a469f8a5 MS |
4162 | #ifdef HAVE_LIBZ |
4163 | /* | |
4164 | * 'http_content_coding_finish()' - Finish doing any content encoding. | |
4165 | */ | |
4166 | ||
4167 | static void | |
4168 | http_content_coding_finish( | |
4169 | http_t *http) /* I - HTTP connection */ | |
4170 | { | |
4171 | int zerr; /* Compression status */ | |
4172 | ||
4173 | ||
4174 | switch (http->coding) | |
4175 | { | |
4176 | case _HTTP_CODING_DEFLATE : | |
4177 | case _HTTP_CODING_GZIP : | |
4178 | do | |
4179 | { | |
4180 | http->stream.next_out = (Bytef *)http->wbuffer + http->wused; | |
4181 | http->stream.avail_out = sizeof(http->wbuffer) - http->wused; | |
4182 | ||
4183 | zerr = deflate(&(http->stream), Z_FINISH); | |
4184 | ||
4185 | http->wused = sizeof(http->wbuffer) - http->stream.avail_out; | |
4186 | if (http->wused == sizeof(http->wbuffer)) | |
4187 | httpFlushWrite(http); | |
4188 | } | |
4189 | while (zerr == Z_OK); | |
4190 | ||
4191 | deflateEnd(&(http->stream)); | |
4192 | ||
4193 | if (http->wused) | |
4194 | httpFlushWrite(http); | |
4195 | break; | |
4196 | ||
4197 | case _HTTP_CODING_INFLATE : | |
4198 | case _HTTP_CODING_GUNZIP : | |
4199 | inflateEnd(&(http->stream)); | |
0fa6c7fa MS |
4200 | free(http->dbuffer); |
4201 | http->dbuffer = NULL; | |
a469f8a5 MS |
4202 | break; |
4203 | ||
4204 | default : | |
4205 | break; | |
4206 | } | |
4207 | ||
4208 | http->coding = _HTTP_CODING_IDENTITY; | |
4209 | } | |
4210 | ||
4211 | ||
4212 | /* | |
4213 | * 'http_content_coding_start()' - Start doing content encoding. | |
4214 | */ | |
4215 | ||
4216 | static void | |
4217 | http_content_coding_start( | |
4218 | http_t *http, /* I - HTTP connection */ | |
4219 | const char *value) /* I - Value of Content-Encoding */ | |
4220 | { | |
4221 | int zerr; /* Error/status */ | |
4222 | _http_coding_t coding; /* Content coding value */ | |
4223 | ||
4224 | ||
4225 | DEBUG_printf(("http_content_coding_start(http=%p, value=\"%s\")", http, | |
4226 | value)); | |
4227 | ||
4228 | if (http->coding != _HTTP_CODING_IDENTITY) | |
4229 | { | |
4230 | DEBUG_printf(("1http_content_coding_start: http->coding already %d.", | |
4231 | http->coding)); | |
4232 | return; | |
4233 | } | |
4234 | else if (!strcmp(value, "x-gzip") || !strcmp(value, "gzip")) | |
4235 | { | |
cb7f98ee MS |
4236 | if (http->state == HTTP_STATE_GET_SEND || |
4237 | http->state == HTTP_STATE_POST_SEND) | |
a469f8a5 MS |
4238 | coding = http->mode == _HTTP_MODE_SERVER ? _HTTP_CODING_GZIP : |
4239 | _HTTP_CODING_GUNZIP; | |
cb7f98ee MS |
4240 | else if (http->state == HTTP_STATE_POST_RECV || |
4241 | http->state == HTTP_STATE_PUT_RECV) | |
a469f8a5 MS |
4242 | coding = http->mode == _HTTP_MODE_CLIENT ? _HTTP_CODING_GZIP : |
4243 | _HTTP_CODING_GUNZIP; | |
4244 | else | |
4245 | { | |
4246 | DEBUG_puts("1http_content_coding_start: Not doing content coding."); | |
4247 | return; | |
4248 | } | |
4249 | } | |
4250 | else if (!strcmp(value, "x-deflate") || !strcmp(value, "deflate")) | |
4251 | { | |
cb7f98ee MS |
4252 | if (http->state == HTTP_STATE_GET_SEND || |
4253 | http->state == HTTP_STATE_POST_SEND) | |
a469f8a5 MS |
4254 | coding = http->mode == _HTTP_MODE_SERVER ? _HTTP_CODING_DEFLATE : |
4255 | _HTTP_CODING_INFLATE; | |
cb7f98ee MS |
4256 | else if (http->state == HTTP_STATE_POST_RECV || |
4257 | http->state == HTTP_STATE_PUT_RECV) | |
a469f8a5 MS |
4258 | coding = http->mode == _HTTP_MODE_CLIENT ? _HTTP_CODING_DEFLATE : |
4259 | _HTTP_CODING_INFLATE; | |
4260 | else | |
4261 | { | |
4262 | DEBUG_puts("1http_content_coding_start: Not doing content coding."); | |
4263 | return; | |
4264 | } | |
4265 | } | |
4266 | else | |
4267 | { | |
4268 | DEBUG_puts("1http_content_coding_start: Not doing content coding."); | |
4269 | return; | |
4270 | } | |
4271 | ||
4272 | memset(&(http->stream), 0, sizeof(http->stream)); | |
4273 | ||
4274 | switch (coding) | |
4275 | { | |
4276 | case _HTTP_CODING_DEFLATE : | |
4277 | case _HTTP_CODING_GZIP : | |
4278 | if (http->wused) | |
4279 | httpFlushWrite(http); | |
4280 | ||
db8b865d MS |
4281 | /* |
4282 | * Window size for compression is 11 bits - optimal based on PWG Raster | |
4283 | * sample files on pwg.org. -11 is raw deflate, 27 is gzip, per ZLIB | |
4284 | * documentation. | |
4285 | */ | |
4286 | ||
a469f8a5 MS |
4287 | if ((zerr = deflateInit2(&(http->stream), Z_DEFAULT_COMPRESSION, |
4288 | Z_DEFLATED, | |
db8b865d | 4289 | coding == _HTTP_CODING_DEFLATE ? -11 : 27, 7, |
a469f8a5 MS |
4290 | Z_DEFAULT_STRATEGY)) < Z_OK) |
4291 | { | |
cb7f98ee | 4292 | http->status = HTTP_STATUS_ERROR; |
a469f8a5 MS |
4293 | http->error = zerr == Z_MEM_ERROR ? ENOMEM : EINVAL; |
4294 | return; | |
4295 | } | |
4296 | break; | |
4297 | ||
4298 | case _HTTP_CODING_INFLATE : | |
4299 | case _HTTP_CODING_GUNZIP : | |
0fa6c7fa | 4300 | if ((http->dbuffer = malloc(HTTP_MAX_BUFFER)) == NULL) |
a469f8a5 | 4301 | { |
cb7f98ee | 4302 | http->status = HTTP_STATUS_ERROR; |
0fa6c7fa | 4303 | http->error = errno; |
a469f8a5 MS |
4304 | return; |
4305 | } | |
0fa6c7fa | 4306 | |
db8b865d MS |
4307 | /* |
4308 | * Window size for decompression is up to 15 bits (maximum supported). | |
4309 | * -15 is raw inflate, 31 is gunzip, per ZLIB documentation. | |
4310 | */ | |
4311 | ||
0fa6c7fa | 4312 | if ((zerr = inflateInit2(&(http->stream), |
db8b865d | 4313 | coding == _HTTP_CODING_INFLATE ? -15 : 31)) |
0fa6c7fa MS |
4314 | < Z_OK) |
4315 | { | |
4316 | free(http->dbuffer); | |
4317 | http->dbuffer = NULL; | |
cb7f98ee | 4318 | http->status = HTTP_STATUS_ERROR; |
0fa6c7fa MS |
4319 | http->error = zerr == Z_MEM_ERROR ? ENOMEM : EINVAL; |
4320 | return; | |
4321 | } | |
4322 | ||
4323 | http->stream.avail_in = 0; | |
4324 | http->stream.next_in = http->dbuffer; | |
a469f8a5 MS |
4325 | break; |
4326 | ||
4327 | default : | |
4328 | break; | |
4329 | } | |
4330 | ||
4331 | http->coding = coding; | |
4332 | ||
4333 | DEBUG_printf(("1http_content_coding_start: http->coding now %d.", | |
4334 | http->coding)); | |
4335 | } | |
4336 | #endif /* HAVE_LIBZ */ | |
4337 | ||
4338 | ||
db8b865d MS |
4339 | /* |
4340 | * 'http_create()' - Create an unconnected HTTP connection. | |
4341 | */ | |
4342 | ||
4343 | static http_t * /* O - HTTP connection */ | |
4344 | http_create( | |
4345 | const char *host, /* I - Hostname */ | |
4346 | int port, /* I - Port number */ | |
4347 | http_addrlist_t *addrlist, /* I - Address list or NULL */ | |
4348 | int family, /* I - Address family or AF_UNSPEC */ | |
4349 | http_encryption_t encryption, /* I - Encryption to use */ | |
4350 | int blocking, /* I - 1 for blocking mode */ | |
4351 | _http_mode_t mode) /* I - _HTTP_MODE_CLIENT or _SERVER */ | |
4352 | { | |
4353 | http_t *http; /* New HTTP connection */ | |
4354 | char service[255]; /* Service name */ | |
4355 | http_addrlist_t *myaddrlist = NULL; /* My address list */ | |
4356 | ||
4357 | ||
4358 | DEBUG_printf(("4http_create(host=\"%s\", port=%d, addrlist=%p, family=%d, " | |
4359 | "encryption=%d, blocking=%d, mode=%d)", host, port, addrlist, | |
4360 | family, encryption, blocking, mode)); | |
4361 | ||
4362 | if (!host && mode == _HTTP_MODE_CLIENT) | |
4363 | return (NULL); | |
4364 | ||
4365 | httpInitialize(); | |
4366 | ||
4367 | /* | |
4368 | * Lookup the host... | |
4369 | */ | |
4370 | ||
4371 | if (addrlist) | |
4372 | { | |
4373 | myaddrlist = httpAddrCopyList(addrlist); | |
4374 | } | |
4375 | else | |
4376 | { | |
4377 | snprintf(service, sizeof(service), "%d", port); | |
4378 | ||
4379 | myaddrlist = httpAddrGetList(host, family, service); | |
4380 | } | |
4381 | ||
4382 | if (!myaddrlist) | |
4383 | return (NULL); | |
4384 | ||
4385 | /* | |
4386 | * Allocate memory for the structure... | |
4387 | */ | |
4388 | ||
4389 | if ((http = calloc(sizeof(http_t), 1)) == NULL) | |
4390 | { | |
cb7f98ee | 4391 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0); |
db8b865d MS |
4392 | httpAddrFreeList(addrlist); |
4393 | return (NULL); | |
4394 | } | |
4395 | ||
4396 | /* | |
4397 | * Initialize the HTTP data... | |
4398 | */ | |
4399 | ||
4400 | http->mode = mode; | |
4401 | http->activity = time(NULL); | |
4402 | http->addrlist = myaddrlist; | |
4403 | http->blocking = blocking; | |
4404 | http->fd = -1; | |
4405 | #ifdef HAVE_GSSAPI | |
4406 | http->gssctx = GSS_C_NO_CONTEXT; | |
4407 | http->gssname = GSS_C_NO_NAME; | |
4408 | #endif /* HAVE_GSSAPI */ | |
cb7f98ee | 4409 | http->status = HTTP_STATUS_CONTINUE; |
db8b865d MS |
4410 | http->version = HTTP_VERSION_1_1; |
4411 | ||
4412 | if (host) | |
4413 | strlcpy(http->hostname, host, sizeof(http->hostname)); | |
4414 | ||
4415 | if (port == 443) /* Always use encryption for https */ | |
4416 | http->encryption = HTTP_ENCRYPTION_ALWAYS; | |
4417 | else | |
4418 | http->encryption = encryption; | |
4419 | ||
4420 | http_set_wait(http); | |
4421 | ||
4422 | /* | |
4423 | * Return the new structure... | |
4424 | */ | |
4425 | ||
4426 | return (http); | |
4427 | } | |
4428 | ||
4429 | /* For OS X 10.8 and earlier */ | |
4430 | http_t *_httpCreate(const char *host, int port, http_addrlist_t *addrlist, | |
4431 | http_encryption_t encryption, int family) | |
4432 | { return (http_create(host, port, addrlist, family, encryption, 1, | |
4433 | _HTTP_MODE_CLIENT)); } | |
4434 | ||
4435 | ||
ae71f5de MS |
4436 | #ifdef DEBUG |
4437 | /* | |
4438 | * 'http_debug_hex()' - Do a hex dump of a buffer. | |
4439 | */ | |
4440 | ||
4441 | static void | |
4442 | http_debug_hex(const char *prefix, /* I - Prefix for line */ | |
4443 | const char *buffer, /* I - Buffer to dump */ | |
4444 | int bytes) /* I - Bytes to dump */ | |
4445 | { | |
4446 | int i, j, /* Looping vars */ | |
4447 | ch; /* Current character */ | |
4448 | char line[255], /* Line buffer */ | |
4449 | *start, /* Start of line after prefix */ | |
4450 | *ptr; /* Pointer into line */ | |
4451 | ||
4452 | ||
f11a948a | 4453 | if (_cups_debug_fd < 0 || _cups_debug_level < 6) |
dd1abb6b MS |
4454 | return; |
4455 | ||
83e08001 | 4456 | DEBUG_printf(("6%s: %d bytes:", prefix, bytes)); |
ae71f5de | 4457 | |
f11a948a | 4458 | snprintf(line, sizeof(line), "6%s: ", prefix); |
ae71f5de MS |
4459 | start = line + strlen(line); |
4460 | ||
4461 | for (i = 0; i < bytes; i += 16) | |
4462 | { | |
4463 | for (j = 0, ptr = start; j < 16 && (i + j) < bytes; j ++, ptr += 2) | |
4464 | sprintf(ptr, "%02X", buffer[i + j] & 255); | |
4465 | ||
4466 | while (j < 16) | |
4467 | { | |
5a9febac | 4468 | memcpy(ptr, " ", 3); |
ae71f5de MS |
4469 | ptr += 2; |
4470 | j ++; | |
4471 | } | |
4472 | ||
5a9febac | 4473 | memcpy(ptr, " ", 3); |
ae71f5de MS |
4474 | ptr += 2; |
4475 | ||
4476 | for (j = 0; j < 16 && (i + j) < bytes; j ++) | |
4477 | { | |
4478 | ch = buffer[i + j] & 255; | |
4479 | ||
4480 | if (ch < ' ' || ch >= 127) | |
4481 | ch = '.'; | |
4482 | ||
4483 | *ptr++ = ch; | |
4484 | } | |
4485 | ||
4486 | *ptr = '\0'; | |
4487 | DEBUG_puts(line); | |
4488 | } | |
4489 | } | |
4490 | #endif /* DEBUG */ | |
4491 | ||
4492 | ||
ef416fc2 | 4493 | /* |
4494 | * 'http_field()' - Return the field index for a field name. | |
4495 | */ | |
4496 | ||
ae71f5de MS |
4497 | static http_field_t /* O - Field index */ |
4498 | http_field(const char *name) /* I - String name */ | |
ef416fc2 | 4499 | { |
ae71f5de | 4500 | int i; /* Looping var */ |
ef416fc2 | 4501 | |
4502 | ||
4503 | for (i = 0; i < HTTP_FIELD_MAX; i ++) | |
88f9aafc | 4504 | if (_cups_strcasecmp(name, http_fields[i]) == 0) |
ef416fc2 | 4505 | return ((http_field_t)i); |
4506 | ||
4507 | return (HTTP_FIELD_UNKNOWN); | |
4508 | } | |
4509 | ||
4510 | ||
0fa6c7fa MS |
4511 | /* |
4512 | * 'http_read()' - Read a buffer from a HTTP connection. | |
4513 | * | |
4514 | * This function does the low-level read from the socket, retrying and timing | |
4515 | * out as needed. | |
4516 | */ | |
4517 | ||
4518 | static ssize_t /* O - Number of bytes read or -1 on error */ | |
4519 | http_read(http_t *http, /* I - Connection to server */ | |
4520 | char *buffer, /* I - Buffer */ | |
4521 | size_t length) /* I - Maximum bytes to read */ | |
4522 | { | |
4523 | ssize_t bytes; /* Bytes read */ | |
4524 | ||
4525 | ||
4526 | DEBUG_printf(("http_read(http=%p, buffer=%p, length=" CUPS_LLFMT ")", http, | |
4527 | buffer, CUPS_LLCAST length)); | |
4528 | ||
4529 | if (!http->blocking) | |
4530 | { | |
4531 | while (!httpWait(http, http->wait_value)) | |
4532 | { | |
4533 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
4534 | continue; | |
4535 | ||
4536 | DEBUG_puts("2http_read: Timeout."); | |
4537 | return (0); | |
4538 | } | |
4539 | } | |
4540 | ||
4541 | DEBUG_printf(("2http_read: Reading %d bytes into buffer.", (int)length)); | |
4542 | ||
4543 | do | |
4544 | { | |
4545 | #ifdef HAVE_SSL | |
4546 | if (http->tls) | |
4547 | bytes = http_read_ssl(http, buffer, length); | |
4548 | else | |
4549 | #endif /* HAVE_SSL */ | |
4550 | bytes = recv(http->fd, buffer, length, 0); | |
4551 | ||
4552 | if (bytes < 0) | |
4553 | { | |
4554 | #ifdef WIN32 | |
4555 | if (WSAGetLastError() != WSAEINTR) | |
4556 | { | |
4557 | http->error = WSAGetLastError(); | |
4558 | return (-1); | |
4559 | } | |
4560 | else if (WSAGetLastError() == WSAEWOULDBLOCK) | |
4561 | { | |
4562 | if (!http->timeout_cb || | |
4563 | !(*http->timeout_cb)(http, http->timeout_data)) | |
4564 | { | |
4565 | http->error = WSAEWOULDBLOCK; | |
4566 | return (-1); | |
4567 | } | |
4568 | } | |
4569 | #else | |
4570 | DEBUG_printf(("2http_read: %s", strerror(errno))); | |
4571 | ||
4572 | if (errno == EWOULDBLOCK || errno == EAGAIN) | |
4573 | { | |
4574 | if (http->timeout_cb && !(*http->timeout_cb)(http, http->timeout_data)) | |
4575 | { | |
4576 | http->error = errno; | |
4577 | return (-1); | |
4578 | } | |
4579 | else if (!http->timeout_cb && errno != EAGAIN) | |
4580 | { | |
4581 | http->error = errno; | |
4582 | return (-1); | |
4583 | } | |
4584 | } | |
4585 | else if (errno != EINTR) | |
4586 | { | |
4587 | http->error = errno; | |
4588 | return (-1); | |
4589 | } | |
4590 | #endif /* WIN32 */ | |
4591 | } | |
4592 | } | |
4593 | while (bytes < 0); | |
4594 | ||
4595 | DEBUG_printf(("2http_read: Read " CUPS_LLFMT " bytes into buffer.", | |
4596 | CUPS_LLCAST bytes)); | |
4597 | #ifdef DEBUG | |
4598 | if (bytes > 0) | |
6961465f | 4599 | http_debug_hex("http_read", buffer, (int)bytes); |
0fa6c7fa MS |
4600 | #endif /* DEBUG */ |
4601 | ||
4602 | if (bytes < 0) | |
4603 | { | |
4604 | #ifdef WIN32 | |
4605 | if (WSAGetLastError() == WSAEINTR) | |
4606 | bytes = 0; | |
4607 | else | |
4608 | http->error = WSAGetLastError(); | |
4609 | #else | |
4610 | if (errno == EINTR || (errno == EAGAIN && !http->timeout_cb)) | |
4611 | bytes = 0; | |
4612 | else | |
4613 | http->error = errno; | |
4614 | #endif /* WIN32 */ | |
4615 | } | |
4616 | else if (bytes == 0) | |
4617 | { | |
4618 | http->error = EPIPE; | |
4619 | return (0); | |
4620 | } | |
4621 | ||
4622 | return (bytes); | |
4623 | } | |
4624 | ||
4625 | ||
4626 | /* | |
4627 | * 'http_read_buffered()' - Do a buffered read from a HTTP connection. | |
4628 | * | |
4629 | * This function reads data from the HTTP buffer or from the socket, as needed. | |
4630 | */ | |
4631 | ||
4632 | static ssize_t /* O - Number of bytes read or -1 on error */ | |
4633 | http_read_buffered(http_t *http, /* I - Connection to server */ | |
4634 | char *buffer, /* I - Buffer */ | |
4635 | size_t length) /* I - Maximum bytes to read */ | |
4636 | { | |
4637 | ssize_t bytes; /* Bytes read */ | |
4638 | ||
4639 | ||
4640 | DEBUG_printf(("http_read_buffered(http=%p, buffer=%p, length=" CUPS_LLFMT | |
4641 | ") used=%d", | |
4642 | http, buffer, CUPS_LLCAST length, http->used)); | |
4643 | ||
4644 | if (http->used > 0) | |
4645 | { | |
4646 | if (length > (size_t)http->used) | |
4647 | bytes = (size_t)http->used; | |
4648 | else | |
4649 | bytes = length; | |
4650 | ||
4651 | DEBUG_printf(("2http_read: Grabbing %d bytes from input buffer.", | |
4652 | (int)bytes)); | |
4653 | ||
4654 | memcpy(buffer, http->buffer, bytes); | |
4655 | http->used -= (int)bytes; | |
4656 | ||
4657 | if (http->used > 0) | |
4658 | memmove(http->buffer, http->buffer + bytes, http->used); | |
4659 | } | |
4660 | else | |
4661 | bytes = http_read(http, buffer, length); | |
4662 | ||
4663 | return (bytes); | |
4664 | } | |
4665 | ||
4666 | ||
4667 | /* | |
4668 | * 'http_read_chunk()' - Read a chunk from a HTTP connection. | |
4669 | * | |
4670 | * This function reads and validates the chunk length, then does a buffered read | |
4671 | * returning the number of bytes placed in the buffer. | |
4672 | */ | |
4673 | ||
4674 | static ssize_t /* O - Number of bytes read or -1 on error */ | |
4675 | http_read_chunk(http_t *http, /* I - Connection to server */ | |
4676 | char *buffer, /* I - Buffer */ | |
4677 | size_t length) /* I - Maximum bytes to read */ | |
4678 | { | |
4679 | DEBUG_printf(("http_read_chunk(http=%p, buffer=%p, length=" CUPS_LLFMT ")", | |
4680 | http, buffer, CUPS_LLCAST length)); | |
4681 | ||
4682 | if (http->data_remaining <= 0) | |
4683 | { | |
4684 | char len[32]; /* Length string */ | |
4685 | ||
4686 | if (!httpGets(len, sizeof(len), http)) | |
4687 | { | |
4688 | DEBUG_puts("1http_read_chunk: Could not get chunk length."); | |
4689 | return (0); | |
4690 | } | |
4691 | ||
4692 | if (!len[0]) | |
4693 | { | |
4694 | DEBUG_puts("1http_read_chunk: Blank chunk length, trying again..."); | |
4695 | if (!httpGets(len, sizeof(len), http)) | |
4696 | { | |
4697 | DEBUG_puts("1http_read_chunk: Could not get chunk length."); | |
4698 | return (0); | |
4699 | } | |
4700 | } | |
4701 | ||
4702 | http->data_remaining = strtoll(len, NULL, 16); | |
4703 | ||
4704 | if (http->data_remaining < 0) | |
4705 | { | |
4706 | DEBUG_printf(("1http_read_chunk: Negative chunk length \"%s\" (" | |
4707 | CUPS_LLFMT ")", len, CUPS_LLCAST http->data_remaining)); | |
4708 | return (0); | |
4709 | } | |
4710 | ||
4711 | DEBUG_printf(("2http_read_chunk: Got chunk length \"%s\" (" CUPS_LLFMT ")", | |
4712 | len, CUPS_LLCAST http->data_remaining)); | |
4713 | ||
4714 | if (http->data_remaining == 0) | |
4715 | { | |
4716 | /* | |
4717 | * 0-length chunk, grab trailing blank line... | |
4718 | */ | |
4719 | ||
4720 | httpGets(len, sizeof(len), http); | |
4721 | } | |
4722 | } | |
4723 | ||
4724 | DEBUG_printf(("2http_read_chunk: data_remaining=" CUPS_LLFMT, | |
4725 | CUPS_LLCAST http->data_remaining)); | |
4726 | ||
4727 | if (http->data_remaining <= 0) | |
4728 | return (0); | |
4729 | else if (length > (size_t)http->data_remaining) | |
4730 | length = (size_t)http->data_remaining; | |
4731 | ||
4732 | return (http_read_buffered(http, buffer, length)); | |
4733 | } | |
4734 | ||
4735 | ||
ef416fc2 | 4736 | #ifdef HAVE_SSL |
4737 | /* | |
4738 | * 'http_read_ssl()' - Read from a SSL/TLS connection. | |
4739 | */ | |
4740 | ||
4741 | static int /* O - Bytes read */ | |
568fa3fa | 4742 | http_read_ssl(http_t *http, /* I - Connection to server */ |
ef416fc2 | 4743 | char *buf, /* I - Buffer to store data */ |
4744 | int len) /* I - Length of buffer */ | |
4745 | { | |
4746 | # if defined(HAVE_LIBSSL) | |
4747 | return (SSL_read((SSL *)(http->tls), buf, len)); | |
4748 | ||
4749 | # elif defined(HAVE_GNUTLS) | |
ef55b745 MS |
4750 | ssize_t result; /* Return value */ |
4751 | ||
4752 | ||
7cf5915e | 4753 | result = gnutls_record_recv(http->tls, buf, len); |
ef55b745 MS |
4754 | |
4755 | if (result < 0 && !errno) | |
4756 | { | |
4757 | /* | |
4758 | * Convert GNU TLS error to errno value... | |
4759 | */ | |
4760 | ||
4761 | switch (result) | |
4762 | { | |
4763 | case GNUTLS_E_INTERRUPTED : | |
4764 | errno = EINTR; | |
4765 | break; | |
4766 | ||
4767 | case GNUTLS_E_AGAIN : | |
4768 | errno = EAGAIN; | |
4769 | break; | |
4770 | ||
4771 | default : | |
4772 | errno = EPIPE; | |
4773 | break; | |
4774 | } | |
4775 | ||
4776 | result = -1; | |
4777 | } | |
4778 | ||
4779 | return ((int)result); | |
ef416fc2 | 4780 | |
4781 | # elif defined(HAVE_CDSASSL) | |
fa73b229 | 4782 | int result; /* Return value */ |
ef416fc2 | 4783 | OSStatus error; /* Error info */ |
4784 | size_t processed; /* Number of bytes processed */ | |
4785 | ||
4786 | ||
7cf5915e | 4787 | error = SSLRead(http->tls, buf, len, &processed); |
83e08001 MS |
4788 | DEBUG_printf(("6http_read_ssl: error=%d, processed=%d", (int)error, |
4789 | (int)processed)); | |
fa73b229 | 4790 | switch (error) |
ef416fc2 | 4791 | { |
fa73b229 | 4792 | case 0 : |
4793 | result = (int)processed; | |
4794 | break; | |
84315f46 | 4795 | |
fa73b229 | 4796 | case errSSLWouldBlock : |
b423cd4c | 4797 | if (processed) |
4798 | result = (int)processed; | |
4799 | else | |
4800 | { | |
4801 | result = -1; | |
83e08001 | 4802 | errno = EINTR; |
b423cd4c | 4803 | } |
fa73b229 | 4804 | break; |
84315f46 MS |
4805 | |
4806 | case errSSLClosedGraceful : | |
fa73b229 | 4807 | default : |
84315f46 MS |
4808 | if (processed) |
4809 | result = (int)processed; | |
4810 | else | |
4811 | { | |
4812 | result = -1; | |
83e08001 | 4813 | errno = EPIPE; |
84315f46 | 4814 | } |
fa73b229 | 4815 | break; |
ef416fc2 | 4816 | } |
fa73b229 | 4817 | |
4818 | return (result); | |
83e08001 | 4819 | |
cc754834 MS |
4820 | # elif defined(HAVE_SSPISSL) |
4821 | return _sspiRead((_sspi_struct_t*) http->tls, buf, len); | |
ef416fc2 | 4822 | # endif /* HAVE_LIBSSL */ |
4823 | } | |
4824 | #endif /* HAVE_SSL */ | |
4825 | ||
4826 | ||
4827 | /* | |
4828 | * 'http_send()' - Send a request with all fields and the trailing blank line. | |
4829 | */ | |
4830 | ||
a469f8a5 MS |
4831 | static int /* O - 0 on success, non-zero on error */ |
4832 | http_send(http_t *http, /* I - Connection to server */ | |
4833 | http_state_t request, /* I - Request code */ | |
4834 | const char *uri) /* I - URI */ | |
ef416fc2 | 4835 | { |
a469f8a5 MS |
4836 | int i; /* Looping var */ |
4837 | char buf[1024]; /* Encoded URI buffer */ | |
4838 | const char *value; /* Field value */ | |
4839 | static const char * const codes[] = /* Request code strings */ | |
4840 | { | |
ef416fc2 | 4841 | NULL, |
4842 | "OPTIONS", | |
4843 | "GET", | |
4844 | NULL, | |
4845 | "HEAD", | |
4846 | "POST", | |
4847 | NULL, | |
4848 | NULL, | |
4849 | "PUT", | |
4850 | NULL, | |
4851 | "DELETE", | |
4852 | "TRACE", | |
a469f8a5 MS |
4853 | "CLOSE", |
4854 | NULL, | |
4855 | NULL | |
ef416fc2 | 4856 | }; |
ef416fc2 | 4857 | |
4858 | ||
cb7f98ee | 4859 | DEBUG_printf(("4http_send(http=%p, request=HTTP_%s, uri=\"%s\")", |
ef416fc2 | 4860 | http, codes[request], uri)); |
4861 | ||
4862 | if (http == NULL || uri == NULL) | |
4863 | return (-1); | |
4864 | ||
4865 | /* | |
4866 | * Set the User-Agent field if it isn't already... | |
4867 | */ | |
4868 | ||
4869 | if (!http->fields[HTTP_FIELD_USER_AGENT][0]) | |
db8b865d MS |
4870 | { |
4871 | if (http->default_user_agent) | |
4872 | httpSetField(http, HTTP_FIELD_USER_AGENT, http->default_user_agent); | |
4873 | else | |
4874 | httpSetField(http, HTTP_FIELD_USER_AGENT, cupsUserAgent()); | |
4875 | } | |
ef416fc2 | 4876 | |
a469f8a5 MS |
4877 | /* |
4878 | * Set the Accept-Encoding field if it isn't already... | |
4879 | */ | |
4880 | ||
c1420c87 MS |
4881 | if (!http->accept_encoding && http->default_accept_encoding) |
4882 | httpSetField(http, HTTP_FIELD_ACCEPT_ENCODING, | |
4883 | http->default_accept_encoding); | |
a469f8a5 | 4884 | |
ef416fc2 | 4885 | /* |
4886 | * Encode the URI as needed... | |
4887 | */ | |
4888 | ||
839a51c8 | 4889 | _httpEncodeURI(buf, uri, sizeof(buf)); |
ef416fc2 | 4890 | |
4891 | /* | |
4892 | * See if we had an error the last time around; if so, reconnect... | |
4893 | */ | |
4894 | ||
cb7f98ee MS |
4895 | if (http->fd < 0 || http->status == HTTP_STATUS_ERROR || |
4896 | http->status >= HTTP_STATUS_BAD_REQUEST) | |
4897 | { | |
4898 | DEBUG_printf(("5http_send: Reconnecting, fd=%d, status=%d, tls_upgrade=%d", | |
4899 | http->fd, http->status, http->tls_upgrade)); | |
4900 | ||
4901 | if (httpReconnect2(http, 30000, NULL)) | |
fa73b229 | 4902 | return (-1); |
cb7f98ee | 4903 | } |
ef416fc2 | 4904 | |
d09495fa | 4905 | /* |
4906 | * Flush any written data that is pending... | |
4907 | */ | |
4908 | ||
4909 | if (http->wused) | |
536bc2c6 MS |
4910 | { |
4911 | if (httpFlushWrite(http) < 0) | |
cb7f98ee | 4912 | if (httpReconnect2(http, 30000, NULL)) |
536bc2c6 MS |
4913 | return (-1); |
4914 | } | |
d09495fa | 4915 | |
ef416fc2 | 4916 | /* |
4917 | * Send the request header... | |
4918 | */ | |
4919 | ||
d09495fa | 4920 | http->state = request; |
a469f8a5 | 4921 | http->data_encoding = HTTP_ENCODING_FIELDS; |
d09495fa | 4922 | |
cb7f98ee | 4923 | if (request == HTTP_STATE_POST || request == HTTP_STATE_PUT) |
ef416fc2 | 4924 | http->state ++; |
4925 | ||
cb7f98ee | 4926 | http->status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 4927 | |
4928 | #ifdef HAVE_SSL | |
cb7f98ee | 4929 | if (http->encryption == HTTP_ENCRYPTION_REQUIRED && !http->tls) |
ef416fc2 | 4930 | { |
4931 | httpSetField(http, HTTP_FIELD_CONNECTION, "Upgrade"); | |
a469f8a5 | 4932 | httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2,TLS/1.1,TLS/1.0"); |
ef416fc2 | 4933 | } |
4934 | #endif /* HAVE_SSL */ | |
4935 | ||
4936 | if (httpPrintf(http, "%s %s HTTP/1.1\r\n", codes[request], buf) < 1) | |
4937 | { | |
cb7f98ee | 4938 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 4939 | return (-1); |
4940 | } | |
4941 | ||
4942 | for (i = 0; i < HTTP_FIELD_MAX; i ++) | |
a469f8a5 | 4943 | if ((value = httpGetField(http, i)) != NULL && *value) |
ef416fc2 | 4944 | { |
cb7f98ee | 4945 | DEBUG_printf(("5http_send: %s: %s", http_fields[i], value)); |
ef416fc2 | 4946 | |
37e7e6e0 MS |
4947 | if (i == HTTP_FIELD_HOST) |
4948 | { | |
a469f8a5 MS |
4949 | if (httpPrintf(http, "Host: %s:%d\r\n", value, |
4950 | httpAddrPort(http->hostaddr)) < 1) | |
37e7e6e0 | 4951 | { |
cb7f98ee | 4952 | http->status = HTTP_STATUS_ERROR; |
37e7e6e0 MS |
4953 | return (-1); |
4954 | } | |
4955 | } | |
a469f8a5 | 4956 | else if (httpPrintf(http, "%s: %s\r\n", http_fields[i], value) < 1) |
ef416fc2 | 4957 | { |
cb7f98ee | 4958 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 4959 | return (-1); |
4960 | } | |
4961 | } | |
4962 | ||
4963 | if (http->cookie) | |
4964 | if (httpPrintf(http, "Cookie: $Version=0; %s\r\n", http->cookie) < 1) | |
4965 | { | |
cb7f98ee | 4966 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 4967 | return (-1); |
4968 | } | |
4969 | ||
cb7f98ee MS |
4970 | DEBUG_printf(("5http_send: expect=%d, mode=%d, state=%d", http->expect, |
4971 | http->mode, http->state)); | |
4972 | ||
4973 | if (http->expect == HTTP_STATUS_CONTINUE && http->mode == _HTTP_MODE_CLIENT && | |
4974 | (http->state == HTTP_STATE_POST_RECV || | |
4975 | http->state == HTTP_STATE_PUT_RECV)) | |
b423cd4c | 4976 | if (httpPrintf(http, "Expect: 100-continue\r\n") < 1) |
4977 | { | |
cb7f98ee | 4978 | http->status = HTTP_STATUS_ERROR; |
b423cd4c | 4979 | return (-1); |
4980 | } | |
4981 | ||
ef416fc2 | 4982 | if (httpPrintf(http, "\r\n") < 1) |
4983 | { | |
cb7f98ee | 4984 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 4985 | return (-1); |
4986 | } | |
4987 | ||
536bc2c6 MS |
4988 | if (httpFlushWrite(http) < 0) |
4989 | return (-1); | |
4990 | ||
a469f8a5 | 4991 | http_set_length(http); |
ef416fc2 | 4992 | httpClearFields(http); |
4993 | ||
f7deaa1a | 4994 | /* |
b94498cf | 4995 | * The Kerberos and AuthRef authentication strings can only be used once... |
f7deaa1a | 4996 | */ |
4997 | ||
ef55b745 MS |
4998 | if (http->field_authorization && http->authstring && |
4999 | (!strncmp(http->authstring, "Negotiate", 9) || | |
b94498cf | 5000 | !strncmp(http->authstring, "AuthRef", 7))) |
f7deaa1a | 5001 | { |
5002 | http->_authstring[0] = '\0'; | |
5003 | ||
5004 | if (http->authstring != http->_authstring) | |
5005 | free(http->authstring); | |
ef55b745 | 5006 | |
f7deaa1a | 5007 | http->authstring = http->_authstring; |
5008 | } | |
5009 | ||
ef416fc2 | 5010 | return (0); |
5011 | } | |
5012 | ||
5013 | ||
5014 | #ifdef HAVE_SSL | |
c1420c87 | 5015 | # if defined(HAVE_CDSASSL) |
7cf5915e MS |
5016 | /* |
5017 | * 'http_set_credentials()' - Set the SSL/TLS credentials. | |
5018 | */ | |
5019 | ||
5020 | static int /* O - Status of connection */ | |
5021 | http_set_credentials(http_t *http) /* I - Connection to server */ | |
5022 | { | |
5023 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
7cf5915e MS |
5024 | OSStatus error = 0; /* Error code */ |
5025 | http_tls_credentials_t credentials = NULL; | |
5026 | /* TLS credentials */ | |
7cf5915e MS |
5027 | |
5028 | ||
5029 | DEBUG_printf(("7http_set_credentials(%p)", http)); | |
5030 | ||
7cf5915e MS |
5031 | /* |
5032 | * Prefer connection specific credentials... | |
5033 | */ | |
5034 | ||
5035 | if ((credentials = http->tls_credentials) == NULL) | |
5036 | credentials = cg->tls_credentials; | |
5037 | ||
7cf5915e MS |
5038 | if (credentials) |
5039 | { | |
5040 | error = SSLSetCertificate(http->tls, credentials); | |
5041 | DEBUG_printf(("4http_set_credentials: SSLSetCertificate, error=%d", | |
5042 | (int)error)); | |
5043 | } | |
5044 | else | |
5045 | DEBUG_puts("4http_set_credentials: No credentials to set."); | |
5046 | ||
5047 | return (error); | |
7cf5915e | 5048 | } |
c1420c87 | 5049 | # endif /* HAVE_CDSASSL */ |
9b66acc5 | 5050 | #endif /* HAVE_SSL */ |
7cf5915e MS |
5051 | |
5052 | ||
a469f8a5 MS |
5053 | /* |
5054 | * 'http_set_length()' - Set the data_encoding and data_remaining values. | |
5055 | */ | |
5056 | ||
5057 | static off_t /* O - Remainder or -1 on error */ | |
5058 | http_set_length(http_t *http) /* I - Connection */ | |
5059 | { | |
5060 | off_t remaining; /* Remainder */ | |
5061 | ||
5062 | ||
5063 | DEBUG_printf(("http_set_length(http=%p) mode=%d state=%s", http, http->mode, | |
cb7f98ee | 5064 | http_state_string(http->state))); |
a469f8a5 MS |
5065 | |
5066 | if ((remaining = httpGetLength2(http)) >= 0) | |
5067 | { | |
5068 | if (http->mode == _HTTP_MODE_SERVER && | |
5069 | http->state != HTTP_STATE_GET_SEND && | |
c41769ff | 5070 | http->state != HTTP_STATE_PUT && |
a469f8a5 MS |
5071 | http->state != HTTP_STATE_POST && |
5072 | http->state != HTTP_STATE_POST_SEND) | |
5073 | { | |
5074 | DEBUG_puts("1http_set_length: Not setting data_encoding/remaining."); | |
5075 | return (remaining); | |
5076 | } | |
5077 | ||
5078 | if (!_cups_strcasecmp(http->fields[HTTP_FIELD_TRANSFER_ENCODING], | |
5079 | "chunked")) | |
5080 | { | |
5081 | DEBUG_puts("1http_set_length: Setting data_encoding to " | |
5082 | "HTTP_ENCODING_CHUNKED."); | |
5083 | http->data_encoding = HTTP_ENCODING_CHUNKED; | |
5084 | } | |
5085 | else | |
5086 | { | |
5087 | DEBUG_puts("1http_set_length: Setting data_encoding to " | |
5088 | "HTTP_ENCODING_LENGTH."); | |
5089 | http->data_encoding = HTTP_ENCODING_LENGTH; | |
5090 | } | |
5091 | ||
5092 | DEBUG_printf(("1http_set_length: Setting data_remaining to " CUPS_LLFMT ".", | |
5093 | CUPS_LLCAST remaining)); | |
5094 | http->data_remaining = remaining; | |
5095 | ||
5096 | if (remaining <= INT_MAX) | |
5097 | http->_data_remaining = remaining; | |
5098 | else | |
5099 | http->_data_remaining = INT_MAX; | |
5100 | } | |
5101 | ||
5102 | return (remaining); | |
5103 | } | |
5104 | ||
85dda01c MS |
5105 | /* |
5106 | * 'http_set_timeout()' - Set the socket timeout values. | |
5107 | */ | |
5108 | ||
5109 | static void | |
5110 | http_set_timeout(int fd, /* I - File descriptor */ | |
5111 | double timeout) /* I - Timeout in seconds */ | |
5112 | { | |
5113 | #ifdef WIN32 | |
5114 | DWORD tv = (DWORD)(timeout * 1000); | |
5115 | /* Timeout in milliseconds */ | |
5116 | ||
db8b865d MS |
5117 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, CUPS_SOCAST &tv, sizeof(tv)); |
5118 | setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, CUPS_SOCAST &tv, sizeof(tv)); | |
85dda01c MS |
5119 | |
5120 | #else | |
5121 | struct timeval tv; /* Timeout in secs and usecs */ | |
5122 | ||
5123 | tv.tv_sec = (int)timeout; | |
5124 | tv.tv_usec = (int)(1000000 * fmod(timeout, 1.0)); | |
5125 | ||
db8b865d MS |
5126 | setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, CUPS_SOCAST &tv, sizeof(tv)); |
5127 | setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, CUPS_SOCAST &tv, sizeof(tv)); | |
85dda01c MS |
5128 | #endif /* WIN32 */ |
5129 | } | |
5130 | ||
5131 | ||
5132 | /* | |
5133 | * 'http_set_wait()' - Set the default wait value for reads. | |
5134 | */ | |
5135 | ||
5136 | static void | |
5137 | http_set_wait(http_t *http) /* I - Connection to server */ | |
5138 | { | |
5139 | if (http->blocking) | |
5140 | { | |
5141 | http->wait_value = (int)(http->timeout_value * 1000); | |
5142 | ||
5143 | if (http->wait_value <= 0) | |
5144 | http->wait_value = 60000; | |
5145 | } | |
5146 | else | |
5147 | http->wait_value = 10000; | |
5148 | } | |
5149 | ||
5150 | ||
9b66acc5 | 5151 | #ifdef HAVE_SSL |
ef416fc2 | 5152 | /* |
5153 | * 'http_setup_ssl()' - Set up SSL/TLS support on a connection. | |
5154 | */ | |
5155 | ||
a4845881 | 5156 | static int /* O - 0 on success, -1 on failure */ |
568fa3fa | 5157 | http_setup_ssl(http_t *http) /* I - Connection to server */ |
ef416fc2 | 5158 | { |
12f89d24 MS |
5159 | char hostname[256], /* Hostname */ |
5160 | *hostptr; /* Pointer into hostname */ | |
7cf5915e | 5161 | |
ef416fc2 | 5162 | # ifdef HAVE_LIBSSL |
a4845881 MS |
5163 | SSL_CTX *context; /* Context for encryption */ |
5164 | BIO *bio; /* BIO data */ | |
5165 | const char *message = NULL;/* Error message */ | |
ef416fc2 | 5166 | # elif defined(HAVE_GNUTLS) |
a4845881 | 5167 | int status; /* Status of handshake */ |
ef416fc2 | 5168 | gnutls_certificate_client_credentials *credentials; |
89d46774 | 5169 | /* TLS credentials */ |
ef416fc2 | 5170 | # elif defined(HAVE_CDSASSL) |
0fa6c7fa MS |
5171 | _cups_globals_t *cg = _cupsGlobals(); |
5172 | /* Pointer to library globals */ | |
a4845881 | 5173 | OSStatus error; /* Error code */ |
a4845881 | 5174 | const char *message = NULL;/* Error message */ |
a4845881 MS |
5175 | cups_array_t *credentials; /* Credentials array */ |
5176 | cups_array_t *names; /* CUPS distinguished names */ | |
5177 | CFArrayRef dn_array; /* CF distinguished names array */ | |
5178 | CFIndex count; /* Number of credentials */ | |
5179 | CFDataRef data; /* Certificate data */ | |
5180 | int i; /* Looping var */ | |
5181 | http_credential_t *credential; /* Credential data */ | |
cc754834 | 5182 | # elif defined(HAVE_SSPISSL) |
a4845881 MS |
5183 | TCHAR username[256]; /* Username returned from GetUserName() */ |
5184 | TCHAR commonName[256];/* Common name for certificate */ | |
5185 | DWORD dwSize; /* 32 bit size */ | |
ef416fc2 | 5186 | # endif /* HAVE_LIBSSL */ |
5187 | ||
5188 | ||
e07d4801 | 5189 | DEBUG_printf(("7http_setup_ssl(http=%p)", http)); |
ef416fc2 | 5190 | |
7cf5915e | 5191 | /* |
c1420c87 | 5192 | * Get the hostname to use for SSL... |
7cf5915e MS |
5193 | */ |
5194 | ||
5195 | if (httpAddrLocalhost(http->hostaddr)) | |
12f89d24 | 5196 | { |
12f89d24 MS |
5197 | strlcpy(hostname, "localhost", sizeof(hostname)); |
5198 | } | |
7cf5915e | 5199 | else |
12f89d24 MS |
5200 | { |
5201 | /* | |
c1420c87 | 5202 | * Otherwise make sure the hostname we have does not end in a trailing dot. |
12f89d24 MS |
5203 | */ |
5204 | ||
12f89d24 MS |
5205 | strlcpy(hostname, http->hostname, sizeof(hostname)); |
5206 | if ((hostptr = hostname + strlen(hostname) - 1) >= hostname && | |
5207 | *hostptr == '.') | |
5208 | *hostptr = '\0'; | |
5209 | } | |
dcb445bc | 5210 | |
ef416fc2 | 5211 | # ifdef HAVE_LIBSSL |
5212 | context = SSL_CTX_new(SSLv23_client_method()); | |
5213 | ||
5214 | SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */ | |
5215 | ||
411affcf | 5216 | bio = BIO_new(_httpBIOMethods()); |
5217 | BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)http); | |
5218 | ||
7cf5915e | 5219 | http->tls = SSL_new(context); |
a4845881 | 5220 | SSL_set_bio(http->tls, bio, bio); |
ef416fc2 | 5221 | |
a29fd7dd | 5222 | # ifdef HAVE_SSL_SET_TLSEXT_HOST_NAME |
dcb445bc | 5223 | SSL_set_tlsext_host_name(http->tls, hostname); |
a29fd7dd | 5224 | # endif /* HAVE_SSL_SET_TLSEXT_HOST_NAME */ |
dcb445bc | 5225 | |
7cf5915e | 5226 | if (SSL_connect(http->tls) != 1) |
ef416fc2 | 5227 | { |
ef416fc2 | 5228 | unsigned long error; /* Error code */ |
5229 | ||
5230 | while ((error = ERR_get_error()) != 0) | |
a4845881 MS |
5231 | { |
5232 | message = ERR_error_string(error, NULL); | |
5233 | DEBUG_printf(("8http_setup_ssl: %s", message)); | |
5234 | } | |
ef416fc2 | 5235 | |
5236 | SSL_CTX_free(context); | |
7cf5915e MS |
5237 | SSL_free(http->tls); |
5238 | http->tls = NULL; | |
ef416fc2 | 5239 | |
5240 | # ifdef WIN32 | |
5241 | http->error = WSAGetLastError(); | |
5242 | # else | |
5243 | http->error = errno; | |
5244 | # endif /* WIN32 */ | |
cb7f98ee | 5245 | http->status = HTTP_STATUS_ERROR; |
ef416fc2 | 5246 | |
a4845881 MS |
5247 | if (!message) |
5248 | message = _("Unable to establish a secure connection to host."); | |
5249 | ||
e924ce80 | 5250 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, message, 1); |
a4845881 MS |
5251 | |
5252 | return (-1); | |
ef416fc2 | 5253 | } |
5254 | ||
5255 | # elif defined(HAVE_GNUTLS) | |
ef416fc2 | 5256 | credentials = (gnutls_certificate_client_credentials *) |
5257 | malloc(sizeof(gnutls_certificate_client_credentials)); | |
5258 | if (credentials == NULL) | |
5259 | { | |
a4845881 MS |
5260 | DEBUG_printf(("8http_setup_ssl: Unable to allocate credentials: %s", |
5261 | strerror(errno))); | |
5262 | http->error = errno; | |
cb7f98ee MS |
5263 | http->status = HTTP_STATUS_ERROR; |
5264 | _cupsSetHTTPError(HTTP_STATUS_ERROR); | |
ef416fc2 | 5265 | |
5266 | return (-1); | |
5267 | } | |
5268 | ||
5269 | gnutls_certificate_allocate_credentials(credentials); | |
5270 | ||
7cf5915e MS |
5271 | gnutls_init(&http->tls, GNUTLS_CLIENT); |
5272 | gnutls_set_default_priority(http->tls); | |
dcb445bc MS |
5273 | gnutls_server_name_set(http->tls, GNUTLS_NAME_DNS, hostname, |
5274 | strlen(hostname)); | |
7cf5915e MS |
5275 | gnutls_credentials_set(http->tls, GNUTLS_CRD_CERTIFICATE, *credentials); |
5276 | gnutls_transport_set_ptr(http->tls, (gnutls_transport_ptr)http); | |
5277 | gnutls_transport_set_pull_function(http->tls, _httpReadGNUTLS); | |
5278 | gnutls_transport_set_push_function(http->tls, _httpWriteGNUTLS); | |
ef416fc2 | 5279 | |
a4845881 | 5280 | while ((status = gnutls_handshake(http->tls)) != GNUTLS_E_SUCCESS) |
ef416fc2 | 5281 | { |
a4845881 MS |
5282 | DEBUG_printf(("8http_setup_ssl: gnutls_handshake returned %d (%s)", |
5283 | status, gnutls_strerror(status))); | |
ef416fc2 | 5284 | |
a4845881 MS |
5285 | if (gnutls_error_is_fatal(status)) |
5286 | { | |
5287 | http->error = EIO; | |
cb7f98ee | 5288 | http->status = HTTP_STATUS_ERROR; |
85b5d1df | 5289 | |
6961465f | 5290 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, gnutls_strerror(status), 0); |
a4845881 MS |
5291 | |
5292 | gnutls_deinit(http->tls); | |
5293 | gnutls_certificate_free_credentials(*credentials); | |
5294 | free(credentials); | |
5295 | http->tls = NULL; | |
5296 | ||
5297 | return (-1); | |
5298 | } | |
ef416fc2 | 5299 | } |
5300 | ||
7cf5915e | 5301 | http->tls_credentials = credentials; |
ef416fc2 | 5302 | |
5303 | # elif defined(HAVE_CDSASSL) | |
c1420c87 MS |
5304 | if ((http->tls = SSLCreateContext(kCFAllocatorDefault, kSSLClientSide, |
5305 | kSSLStreamType)) == NULL) | |
e53920b9 | 5306 | { |
c1420c87 MS |
5307 | DEBUG_puts("4http_setup_ssl: SSLCreateContext failed."); |
5308 | http->error = errno = ENOMEM; | |
cb7f98ee MS |
5309 | http->status = HTTP_STATUS_ERROR; |
5310 | _cupsSetHTTPError(HTTP_STATUS_ERROR); | |
e53920b9 | 5311 | |
89d46774 | 5312 | return (-1); |
e53920b9 | 5313 | } |
ef416fc2 | 5314 | |
7cf5915e MS |
5315 | error = SSLSetConnection(http->tls, http); |
5316 | DEBUG_printf(("4http_setup_ssl: SSLSetConnection, error=%d", (int)error)); | |
5317 | ||
5318 | if (!error) | |
5319 | { | |
5320 | error = SSLSetIOFuncs(http->tls, _httpReadCDSA, _httpWriteCDSA); | |
5321 | DEBUG_printf(("4http_setup_ssl: SSLSetIOFuncs, error=%d", (int)error)); | |
5322 | } | |
5323 | ||
7cf5915e MS |
5324 | if (!error) |
5325 | { | |
c1420c87 MS |
5326 | error = SSLSetSessionOption(http->tls, kSSLSessionOptionBreakOnServerAuth, |
5327 | true); | |
5328 | DEBUG_printf(("4http_setup_ssl: SSLSetSessionOption, error=%d", | |
10ddcf65 MS |
5329 | (int)error)); |
5330 | } | |
5331 | ||
ef416fc2 | 5332 | if (!error) |
7cf5915e MS |
5333 | { |
5334 | if (cg->client_cert_cb) | |
5335 | { | |
5336 | error = SSLSetSessionOption(http->tls, | |
5337 | kSSLSessionOptionBreakOnCertRequested, true); | |
5338 | DEBUG_printf(("4http_setup_ssl: kSSLSessionOptionBreakOnCertRequested, " | |
5339 | "error=%d", (int)error)); | |
5340 | } | |
5341 | else | |
5342 | { | |
5343 | error = http_set_credentials(http); | |
5344 | DEBUG_printf(("4http_setup_ssl: http_set_credentials, error=%d", | |
5345 | (int)error)); | |
5346 | } | |
5347 | } | |
5348 | ||
10ddcf65 MS |
5349 | /* |
5350 | * Let the server know which hostname/domain we are trying to connect to | |
5351 | * in case it wants to serve up a certificate with a matching common name. | |
5352 | */ | |
5353 | ||
ed486911 | 5354 | if (!error) |
7cf5915e | 5355 | { |
dcb445bc | 5356 | error = SSLSetPeerDomainName(http->tls, hostname, strlen(hostname)); |
7cf5915e MS |
5357 | |
5358 | DEBUG_printf(("4http_setup_ssl: SSLSetPeerDomainName, error=%d", | |
5359 | (int)error)); | |
5360 | } | |
ed486911 | 5361 | |
ef416fc2 | 5362 | if (!error) |
b423cd4c | 5363 | { |
7cf5915e MS |
5364 | int done = 0; /* Are we done yet? */ |
5365 | ||
5366 | while (!error && !done) | |
5367 | { | |
5368 | error = SSLHandshake(http->tls); | |
5369 | ||
85dda01c | 5370 | DEBUG_printf(("4http_setup_ssl: SSLHandshake returned %d.", (int)error)); |
7cf5915e MS |
5371 | |
5372 | switch (error) | |
5373 | { | |
5374 | case noErr : | |
5375 | done = 1; | |
5376 | break; | |
5377 | ||
5378 | case errSSLWouldBlock : | |
82cc1f9a MS |
5379 | error = noErr; /* Force a retry */ |
5380 | usleep(1000); /* in 1 millisecond */ | |
7cf5915e MS |
5381 | break; |
5382 | ||
5383 | case errSSLServerAuthCompleted : | |
5384 | error = 0; | |
5385 | if (cg->server_cert_cb) | |
5386 | { | |
5387 | error = httpCopyCredentials(http, &credentials); | |
5388 | if (!error) | |
5389 | { | |
5390 | error = (cg->server_cert_cb)(http, http->tls, credentials, | |
5391 | cg->server_cert_data); | |
5392 | httpFreeCredentials(credentials); | |
5393 | } | |
5394 | ||
10ddcf65 MS |
5395 | DEBUG_printf(("4http_setup_ssl: Server certificate callback " |
5396 | "returned %d.", (int)error)); | |
7cf5915e MS |
5397 | } |
5398 | break; | |
5399 | ||
5400 | case errSSLClientCertRequested : | |
5401 | error = 0; | |
5402 | ||
5403 | if (cg->client_cert_cb) | |
5404 | { | |
5405 | names = NULL; | |
82f97232 | 5406 | if (!(error = SSLCopyDistinguishedNames(http->tls, &dn_array)) && |
7cf5915e MS |
5407 | dn_array) |
5408 | { | |
5409 | if ((names = cupsArrayNew(NULL, NULL)) != NULL) | |
5410 | { | |
5411 | for (i = 0, count = CFArrayGetCount(dn_array); i < count; i++) | |
5412 | { | |
5413 | data = (CFDataRef)CFArrayGetValueAtIndex(dn_array, i); | |
5414 | ||
82cc1f9a | 5415 | if ((credential = malloc(sizeof(*credential))) != NULL) |
7cf5915e MS |
5416 | { |
5417 | credential->datalen = CFDataGetLength(data); | |
5418 | if ((credential->data = malloc(credential->datalen))) | |
5419 | { | |
82f97232 | 5420 | memcpy((void *)credential->data, CFDataGetBytePtr(data), |
7cf5915e MS |
5421 | credential->datalen); |
5422 | cupsArrayAdd(names, credential); | |
5423 | } | |
5a9febac MS |
5424 | else |
5425 | free(credential); | |
7cf5915e MS |
5426 | } |
5427 | } | |
5428 | } | |
5429 | ||
5430 | CFRelease(dn_array); | |
5431 | } | |
5432 | ||
5433 | if (!error) | |
5434 | { | |
82f97232 | 5435 | error = (cg->client_cert_cb)(http, http->tls, names, |
7cf5915e MS |
5436 | cg->client_cert_data); |
5437 | ||
85dda01c | 5438 | DEBUG_printf(("4http_setup_ssl: Client certificate callback " |
7cf5915e MS |
5439 | "returned %d.", (int)error)); |
5440 | } | |
5441 | ||
5442 | httpFreeCredentials(names); | |
5443 | } | |
5444 | break; | |
5445 | ||
5446 | case errSSLUnknownRootCert : | |
5447 | message = _("Unable to establish a secure connection to host " | |
5448 | "(untrusted certificate)."); | |
5449 | break; | |
5450 | ||
5451 | case errSSLNoRootCert : | |
5452 | message = _("Unable to establish a secure connection to host " | |
5453 | "(self-signed certificate)."); | |
5454 | break; | |
5455 | ||
5456 | case errSSLCertExpired : | |
5457 | message = _("Unable to establish a secure connection to host " | |
5458 | "(expired certificate)."); | |
5459 | break; | |
5460 | ||
5461 | case errSSLCertNotYetValid : | |
5462 | message = _("Unable to establish a secure connection to host " | |
5463 | "(certificate not yet valid)."); | |
5464 | break; | |
5465 | ||
5466 | case errSSLHostNameMismatch : | |
5467 | message = _("Unable to establish a secure connection to host " | |
5468 | "(host name mismatch)."); | |
5469 | break; | |
5470 | ||
5471 | case errSSLXCertChainInvalid : | |
5472 | message = _("Unable to establish a secure connection to host " | |
5473 | "(certificate chain invalid)."); | |
5474 | break; | |
5475 | ||
5476 | case errSSLConnectionRefused : | |
5477 | message = _("Unable to establish a secure connection to host " | |
5478 | "(peer dropped connection before responding)."); | |
5479 | break; | |
5480 | ||
5481 | default : | |
5482 | break; | |
5483 | } | |
5484 | } | |
b423cd4c | 5485 | } |
ef416fc2 | 5486 | |
89d46774 | 5487 | if (error) |
ef416fc2 | 5488 | { |
5489 | http->error = error; | |
cb7f98ee | 5490 | http->status = HTTP_STATUS_ERROR; |
7cf5915e MS |
5491 | errno = ECONNREFUSED; |
5492 | ||
c1420c87 | 5493 | CFRelease(http->tls); |
7cf5915e | 5494 | http->tls = NULL; |
ef416fc2 | 5495 | |
7cf5915e MS |
5496 | /* |
5497 | * If an error string wasn't set by the callbacks use a generic one... | |
5498 | */ | |
5499 | ||
5500 | if (!message) | |
5501 | #ifdef HAVE_CSSMERRORSTRING | |
5502 | message = cssmErrorString(error); | |
5503 | #else | |
5504 | message = _("Unable to establish a secure connection to host."); | |
5505 | #endif /* HAVE_CSSMERRORSTRING */ | |
ef416fc2 | 5506 | |
cb7f98ee | 5507 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, message, 1); |
ef416fc2 | 5508 | |
cc754834 MS |
5509 | return (-1); |
5510 | } | |
7cf5915e | 5511 | |
cc754834 | 5512 | # elif defined(HAVE_SSPISSL) |
7cf5915e | 5513 | http->tls = _sspiAlloc(); |
cc754834 | 5514 | |
7cf5915e | 5515 | if (!http->tls) |
a4845881 | 5516 | { |
cb7f98ee | 5517 | _cupsSetHTTPError(HTTP_STATUS_ERROR); |
cc754834 | 5518 | return (-1); |
83e08001 | 5519 | } |
cc754834 | 5520 | |
7cf5915e MS |
5521 | http->tls->sock = http->fd; |
5522 | dwSize = sizeof(username) / sizeof(TCHAR); | |
cc754834 MS |
5523 | GetUserName(username, &dwSize); |
5524 | _sntprintf_s(commonName, sizeof(commonName) / sizeof(TCHAR), | |
5525 | sizeof(commonName) / sizeof(TCHAR), TEXT("CN=%s"), username); | |
5526 | ||
7cf5915e MS |
5527 | if (!_sspiGetCredentials(http->tls_credentials, L"ClientContainer", |
5528 | commonName, FALSE)) | |
cc754834 | 5529 | { |
7cf5915e MS |
5530 | _sspiFree(http->tls_credentials); |
5531 | http->tls_credentials = NULL; | |
a4845881 MS |
5532 | |
5533 | http->error = EIO; | |
cb7f98ee | 5534 | http->status = HTTP_STATUS_ERROR; |
a4845881 | 5535 | |
e924ce80 | 5536 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, |
a4845881 MS |
5537 | _("Unable to establish a secure connection to host."), 1); |
5538 | ||
cc754834 MS |
5539 | return (-1); |
5540 | } | |
5541 | ||
c1420c87 | 5542 | _sspiSetAllowsAnyRoot(http->tls_credentials, TRUE); |
7cf5915e | 5543 | _sspiSetAllowsExpiredCerts(http->tls_credentials, TRUE); |
cc754834 | 5544 | |
dcb445bc | 5545 | if (!_sspiConnect(http->tls_credentials, hostname)) |
cc754834 | 5546 | { |
7cf5915e MS |
5547 | _sspiFree(http->tls_credentials); |
5548 | http->tls_credentials = NULL; | |
a4845881 MS |
5549 | |
5550 | http->error = EIO; | |
cb7f98ee | 5551 | http->status = HTTP_STATUS_ERROR; |
a4845881 | 5552 | |
e924ce80 | 5553 | _cupsSetError(IPP_STATUS_ERROR_CUPS_PKI, |
a4845881 MS |
5554 | _("Unable to establish a secure connection to host."), 1); |
5555 | ||
ef416fc2 | 5556 | return (-1); |
5557 | } | |
5558 | # endif /* HAVE_CDSASSL */ | |
5559 | ||
ef416fc2 | 5560 | return (0); |
5561 | } | |
ef416fc2 | 5562 | |
5563 | ||
ef416fc2 | 5564 | /* |
5565 | * 'http_shutdown_ssl()' - Shut down SSL/TLS on a connection. | |
5566 | */ | |
5567 | ||
5568 | static void | |
568fa3fa | 5569 | http_shutdown_ssl(http_t *http) /* I - Connection to server */ |
ef416fc2 | 5570 | { |
5571 | # ifdef HAVE_LIBSSL | |
89d46774 | 5572 | SSL_CTX *context; /* Context for encryption */ |
ef416fc2 | 5573 | |
a4845881 | 5574 | context = SSL_get_SSL_CTX(http->tls); |
ef416fc2 | 5575 | |
a4845881 | 5576 | SSL_shutdown(http->tls); |
ef416fc2 | 5577 | SSL_CTX_free(context); |
a4845881 | 5578 | SSL_free(http->tls); |
ef416fc2 | 5579 | |
5580 | # elif defined(HAVE_GNUTLS) | |
ef416fc2 | 5581 | gnutls_certificate_client_credentials *credentials; |
89d46774 | 5582 | /* TLS credentials */ |
ef416fc2 | 5583 | |
7cf5915e | 5584 | credentials = (gnutls_certificate_client_credentials *)(http->tls_credentials); |
ef416fc2 | 5585 | |
7cf5915e MS |
5586 | gnutls_bye(http->tls, GNUTLS_SHUT_RDWR); |
5587 | gnutls_deinit(http->tls); | |
ef416fc2 | 5588 | gnutls_certificate_free_credentials(*credentials); |
5589 | free(credentials); | |
ef416fc2 | 5590 | |
5591 | # elif defined(HAVE_CDSASSL) | |
7cf5915e | 5592 | while (SSLClose(http->tls) == errSSLWouldBlock) |
b423cd4c | 5593 | usleep(1000); |
5594 | ||
c1420c87 | 5595 | CFRelease(http->tls); |
89d46774 | 5596 | |
7cf5915e MS |
5597 | if (http->tls_credentials) |
5598 | CFRelease(http->tls_credentials); | |
89d46774 | 5599 | |
cc754834 | 5600 | # elif defined(HAVE_SSPISSL) |
7cf5915e | 5601 | _sspiFree(http->tls_credentials); |
ef416fc2 | 5602 | # endif /* HAVE_LIBSSL */ |
5603 | ||
7cf5915e MS |
5604 | http->tls = NULL; |
5605 | http->tls_credentials = NULL; | |
ef416fc2 | 5606 | } |
5607 | #endif /* HAVE_SSL */ | |
5608 | ||
5609 | ||
cb7f98ee MS |
5610 | #ifdef DEBUG |
5611 | /* | |
5612 | * 'http_state_string()' - Return the string associated with a given HTTP state. | |
5613 | */ | |
5614 | ||
5615 | static const char * /* O - State string */ | |
5616 | http_state_string(http_state_t state) /* I - HTTP state */ | |
5617 | { | |
5618 | static char buffer[255]; /* Unknown value buffer */ | |
5619 | static const char * const states[] = /* State strings */ | |
5620 | { | |
5621 | "HTTP_STATE_ERROR", | |
5622 | "HTTP_STATE_WAITING", | |
5623 | "HTTP_STATE_OPTIONS", | |
5624 | "HTTP_STATE_GET", | |
5625 | "HTTP_STATE_GET_SEND", | |
5626 | "HTTP_STATE_HEAD", | |
5627 | "HTTP_STATE_POST", | |
5628 | "HTTP_STATE_POST_RECV", | |
5629 | "HTTP_STATE_POST_SEND", | |
5630 | "HTTP_STATE_PUT", | |
5631 | "HTTP_STATE_PUT_RECV", | |
5632 | "HTTP_STATE_DELETE", | |
5633 | "HTTP_STATE_TRACE", | |
5634 | "HTTP_STATE_CONNECT", | |
5635 | "HTTP_STATE_STATUS", | |
5636 | "HTTP_STATE_UNKNOWN_METHOD", | |
5637 | "HTTP_STATE_UNKNOWN_VERSION" | |
5638 | }; | |
5639 | ||
5640 | if (state >= HTTP_STATE_ERROR && state <= HTTP_STATE_UNKNOWN_VERSION) | |
5641 | return (states[state - HTTP_STATE_ERROR]); | |
5642 | ||
5643 | snprintf(buffer, sizeof(buffer), "??? %d ???", (int)state); | |
5644 | return (buffer); | |
5645 | } | |
5646 | #endif /* DEBUG */ | |
5647 | ||
5648 | ||
ef416fc2 | 5649 | #ifdef HAVE_SSL |
5650 | /* | |
5651 | * 'http_upgrade()' - Force upgrade to TLS encryption. | |
5652 | */ | |
5653 | ||
89d46774 | 5654 | static int /* O - Status of connection */ |
568fa3fa | 5655 | http_upgrade(http_t *http) /* I - Connection to server */ |
ef416fc2 | 5656 | { |
89d46774 | 5657 | int ret; /* Return value */ |
5658 | http_t myhttp; /* Local copy of HTTP data */ | |
ef416fc2 | 5659 | |
5660 | ||
e07d4801 | 5661 | DEBUG_printf(("7http_upgrade(%p)", http)); |
ef416fc2 | 5662 | |
85b5d1df MS |
5663 | /* |
5664 | * Flush the connection to make sure any previous "Upgrade" message | |
5665 | * has been read. | |
5666 | */ | |
5667 | ||
5668 | httpFlush(http); | |
5669 | ||
ef416fc2 | 5670 | /* |
5671 | * Copy the HTTP data to a local variable so we can do the OPTIONS | |
5672 | * request without interfering with the existing request data... | |
5673 | */ | |
5674 | ||
5675 | memcpy(&myhttp, http, sizeof(myhttp)); | |
5676 | ||
5677 | /* | |
5678 | * Send an OPTIONS request to the server, requiring SSL or TLS | |
5679 | * encryption on the link... | |
5680 | */ | |
5681 | ||
cb7f98ee | 5682 | http->tls_upgrade = 1; |
f7deaa1a | 5683 | http->field_authorization = NULL; /* Don't free the auth string */ |
5684 | ||
b86bc4cf | 5685 | httpClearFields(http); |
5686 | httpSetField(http, HTTP_FIELD_CONNECTION, "upgrade"); | |
a469f8a5 | 5687 | httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2,TLS/1.1,TLS/1.0"); |
ef416fc2 | 5688 | |
b86bc4cf | 5689 | if ((ret = httpOptions(http, "*")) == 0) |
ef416fc2 | 5690 | { |
5691 | /* | |
5692 | * Wait for the secure connection... | |
5693 | */ | |
5694 | ||
cb7f98ee | 5695 | while (httpUpdate(http) == HTTP_STATUS_CONTINUE); |
ef416fc2 | 5696 | } |
5697 | ||
ef416fc2 | 5698 | /* |
b86bc4cf | 5699 | * Restore the HTTP request data... |
ef416fc2 | 5700 | */ |
5701 | ||
b86bc4cf | 5702 | memcpy(http->fields, myhttp.fields, sizeof(http->fields)); |
f7deaa1a | 5703 | http->data_encoding = myhttp.data_encoding; |
5704 | http->data_remaining = myhttp.data_remaining; | |
5705 | http->_data_remaining = myhttp._data_remaining; | |
5706 | http->expect = myhttp.expect; | |
5707 | http->field_authorization = myhttp.field_authorization; | |
bc44d920 | 5708 | http->digest_tries = myhttp.digest_tries; |
cb7f98ee | 5709 | http->tls_upgrade = 0; |
ef416fc2 | 5710 | |
5711 | /* | |
5712 | * See if we actually went secure... | |
5713 | */ | |
5714 | ||
5715 | if (!http->tls) | |
5716 | { | |
5717 | /* | |
5718 | * Server does not support HTTP upgrade... | |
5719 | */ | |
5720 | ||
e07d4801 | 5721 | DEBUG_puts("8http_upgrade: Server does not support HTTP upgrade!"); |
ef416fc2 | 5722 | |
5723 | # ifdef WIN32 | |
5724 | closesocket(http->fd); | |
5725 | # else | |
5726 | close(http->fd); | |
5727 | # endif | |
5728 | ||
5729 | http->fd = -1; | |
5730 | ||
5731 | return (-1); | |
5732 | } | |
5733 | else | |
5734 | return (ret); | |
5735 | } | |
5736 | #endif /* HAVE_SSL */ | |
5737 | ||
5738 | ||
ef416fc2 | 5739 | /* |
5740 | * 'http_write()' - Write a buffer to a HTTP connection. | |
5741 | */ | |
ef55b745 | 5742 | |
0fa6c7fa | 5743 | static ssize_t /* O - Number of bytes written */ |
568fa3fa | 5744 | http_write(http_t *http, /* I - Connection to server */ |
f11a948a | 5745 | const char *buffer, /* I - Buffer for data */ |
0fa6c7fa | 5746 | size_t length) /* I - Number of bytes to write */ |
ef416fc2 | 5747 | { |
0fa6c7fa MS |
5748 | ssize_t tbytes, /* Total bytes sent */ |
5749 | bytes; /* Bytes sent */ | |
ef416fc2 | 5750 | |
5751 | ||
0fa6c7fa MS |
5752 | DEBUG_printf(("2http_write(http=%p, buffer=%p, length=" CUPS_LLFMT ")", http, |
5753 | buffer, CUPS_LLCAST length)); | |
f11a948a MS |
5754 | http->error = 0; |
5755 | tbytes = 0; | |
ef416fc2 | 5756 | |
5757 | while (length > 0) | |
5758 | { | |
12f89d24 MS |
5759 | DEBUG_printf(("3http_write: About to write %d bytes.", (int)length)); |
5760 | ||
85dda01c MS |
5761 | if (http->timeout_cb) |
5762 | { | |
5763 | #ifdef HAVE_POLL | |
5764 | struct pollfd pfd; /* Polled file descriptor */ | |
5765 | #else | |
5766 | fd_set output_set; /* Output ready for write? */ | |
5767 | struct timeval timeout; /* Timeout value */ | |
5768 | #endif /* HAVE_POLL */ | |
5769 | int nfds; /* Result from select()/poll() */ | |
5770 | ||
5771 | do | |
5772 | { | |
5773 | #ifdef HAVE_POLL | |
5774 | pfd.fd = http->fd; | |
5775 | pfd.events = POLLOUT; | |
5776 | ||
5777 | while ((nfds = poll(&pfd, 1, http->wait_value)) < 0 && | |
82cc1f9a MS |
5778 | (errno == EINTR || errno == EAGAIN)) |
5779 | /* do nothing */; | |
85dda01c MS |
5780 | |
5781 | #else | |
5782 | do | |
5783 | { | |
5784 | FD_ZERO(&output_set); | |
5785 | FD_SET(http->fd, &output_set); | |
5786 | ||
5787 | timeout.tv_sec = http->wait_value / 1000; | |
5788 | timeout.tv_usec = 1000 * (http->wait_value % 1000); | |
5789 | ||
5790 | nfds = select(http->fd + 1, NULL, &output_set, NULL, &timeout); | |
5791 | } | |
5792 | # ifdef WIN32 | |
5793 | while (nfds < 0 && (WSAGetLastError() == WSAEINTR || | |
5794 | WSAGetLastError() == WSAEWOULDBLOCK)); | |
5795 | # else | |
5796 | while (nfds < 0 && (errno == EINTR || errno == EAGAIN)); | |
5797 | # endif /* WIN32 */ | |
5798 | #endif /* HAVE_POLL */ | |
5799 | ||
5800 | if (nfds < 0) | |
5801 | { | |
5802 | http->error = errno; | |
5803 | return (-1); | |
5804 | } | |
5805 | else if (nfds == 0 && !(*http->timeout_cb)(http, http->timeout_data)) | |
5806 | { | |
5807 | #ifdef WIN32 | |
83e08001 | 5808 | http->error = WSAEWOULDBLOCK; |
85dda01c MS |
5809 | #else |
5810 | http->error = EWOULDBLOCK; | |
5811 | #endif /* WIN32 */ | |
5812 | return (-1); | |
5813 | } | |
5814 | } | |
5815 | while (nfds <= 0); | |
5816 | } | |
5817 | ||
ef416fc2 | 5818 | #ifdef HAVE_SSL |
5819 | if (http->tls) | |
5820 | bytes = http_write_ssl(http, buffer, length); | |
5821 | else | |
5822 | #endif /* HAVE_SSL */ | |
5823 | bytes = send(http->fd, buffer, length, 0); | |
5824 | ||
0fa6c7fa MS |
5825 | DEBUG_printf(("3http_write: Write of " CUPS_LLFMT " bytes returned " |
5826 | CUPS_LLFMT ".", CUPS_LLCAST length, CUPS_LLCAST bytes)); | |
12f89d24 | 5827 | |
ef416fc2 | 5828 | if (bytes < 0) |
5829 | { | |
5830 | #ifdef WIN32 | |
10d09e33 | 5831 | if (WSAGetLastError() == WSAEINTR) |
cc754834 | 5832 | continue; |
10d09e33 MS |
5833 | else if (WSAGetLastError() == WSAEWOULDBLOCK) |
5834 | { | |
5835 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
5836 | continue; | |
5837 | ||
5838 | http->error = WSAGetLastError(); | |
5839 | } | |
5840 | else if (WSAGetLastError() != http->error && | |
5841 | WSAGetLastError() != WSAECONNRESET) | |
ef416fc2 | 5842 | { |
5843 | http->error = WSAGetLastError(); | |
5844 | continue; | |
5845 | } | |
10d09e33 | 5846 | |
ef416fc2 | 5847 | #else |
10d09e33 | 5848 | if (errno == EINTR) |
ef416fc2 | 5849 | continue; |
10d09e33 MS |
5850 | else if (errno == EWOULDBLOCK || errno == EAGAIN) |
5851 | { | |
5852 | if (http->timeout_cb && (*http->timeout_cb)(http, http->timeout_data)) | |
5853 | continue; | |
5854 | else if (!http->timeout_cb && errno == EAGAIN) | |
5855 | continue; | |
5856 | ||
5857 | http->error = errno; | |
5858 | } | |
ef416fc2 | 5859 | else if (errno != http->error && errno != ECONNRESET) |
5860 | { | |
5861 | http->error = errno; | |
5862 | continue; | |
5863 | } | |
5864 | #endif /* WIN32 */ | |
5865 | ||
f8b3a85b MS |
5866 | DEBUG_printf(("3http_write: error writing data (%s).", |
5867 | strerror(http->error))); | |
ef416fc2 | 5868 | |
5869 | return (-1); | |
5870 | } | |
5871 | ||
5872 | buffer += bytes; | |
5873 | tbytes += bytes; | |
5874 | length -= bytes; | |
5875 | } | |
5876 | ||
5877 | #ifdef DEBUG | |
ae71f5de | 5878 | http_debug_hex("http_write", buffer - tbytes, tbytes); |
ef416fc2 | 5879 | #endif /* DEBUG */ |
5880 | ||
0fa6c7fa | 5881 | DEBUG_printf(("3http_write: Returning " CUPS_LLFMT ".", CUPS_LLCAST tbytes)); |
f8b3a85b | 5882 | |
ef416fc2 | 5883 | return (tbytes); |
5884 | } | |
5885 | ||
5886 | ||
5887 | /* | |
5888 | * 'http_write_chunk()' - Write a chunked buffer. | |
5889 | */ | |
5890 | ||
0fa6c7fa | 5891 | static ssize_t /* O - Number bytes written */ |
568fa3fa | 5892 | http_write_chunk(http_t *http, /* I - Connection to server */ |
ef416fc2 | 5893 | const char *buffer, /* I - Buffer to write */ |
0fa6c7fa | 5894 | size_t length) /* I - Length of buffer */ |
ef416fc2 | 5895 | { |
0fa6c7fa MS |
5896 | char header[16]; /* Chunk header */ |
5897 | ssize_t bytes; /* Bytes written */ | |
ef416fc2 | 5898 | |
f11a948a | 5899 | |
0fa6c7fa MS |
5900 | DEBUG_printf(("7http_write_chunk(http=%p, buffer=%p, length=" CUPS_LLFMT ")", |
5901 | http, buffer, CUPS_LLCAST length)); | |
ef416fc2 | 5902 | |
5903 | /* | |
5904 | * Write the chunk header, data, and trailer. | |
5905 | */ | |
5906 | ||
0fa6c7fa MS |
5907 | snprintf(header, sizeof(header), "%x\r\n", (unsigned)length); |
5908 | if (http_write(http, header, strlen(header)) < 0) | |
ef416fc2 | 5909 | { |
0fa6c7fa | 5910 | DEBUG_puts("8http_write_chunk: http_write of length failed."); |
ef416fc2 | 5911 | return (-1); |
5912 | } | |
5913 | ||
5914 | if ((bytes = http_write(http, buffer, length)) < 0) | |
5915 | { | |
0fa6c7fa | 5916 | DEBUG_puts("8http_write_chunk: http_write of buffer failed."); |
ef416fc2 | 5917 | return (-1); |
5918 | } | |
5919 | ||
5920 | if (http_write(http, "\r\n", 2) < 0) | |
5921 | { | |
0fa6c7fa | 5922 | DEBUG_puts("8http_write_chunk: http_write of CR LF failed."); |
ef416fc2 | 5923 | return (-1); |
5924 | } | |
5925 | ||
5926 | return (bytes); | |
5927 | } | |
5928 | ||
5929 | ||
5930 | #ifdef HAVE_SSL | |
5931 | /* | |
5932 | * 'http_write_ssl()' - Write to a SSL/TLS connection. | |
5933 | */ | |
5934 | ||
5935 | static int /* O - Bytes written */ | |
568fa3fa | 5936 | http_write_ssl(http_t *http, /* I - Connection to server */ |
ef416fc2 | 5937 | const char *buf, /* I - Buffer holding data */ |
5938 | int len) /* I - Length of buffer */ | |
5939 | { | |
f8b3a85b MS |
5940 | ssize_t result; /* Return value */ |
5941 | ||
5942 | ||
5943 | DEBUG_printf(("2http_write_ssl(http=%p, buf=%p, len=%d)", http, buf, len)); | |
5944 | ||
ef416fc2 | 5945 | # if defined(HAVE_LIBSSL) |
f8b3a85b | 5946 | result = SSL_write((SSL *)(http->tls), buf, len); |
ef416fc2 | 5947 | |
5948 | # elif defined(HAVE_GNUTLS) | |
7cf5915e | 5949 | result = gnutls_record_send(http->tls, buf, len); |
ef55b745 MS |
5950 | |
5951 | if (result < 0 && !errno) | |
5952 | { | |
5953 | /* | |
5954 | * Convert GNU TLS error to errno value... | |
5955 | */ | |
5956 | ||
5957 | switch (result) | |
5958 | { | |
5959 | case GNUTLS_E_INTERRUPTED : | |
5960 | errno = EINTR; | |
5961 | break; | |
5962 | ||
5963 | case GNUTLS_E_AGAIN : | |
5964 | errno = EAGAIN; | |
5965 | break; | |
5966 | ||
5967 | default : | |
5968 | errno = EPIPE; | |
5969 | break; | |
5970 | } | |
5971 | ||
5972 | result = -1; | |
5973 | } | |
5974 | ||
ef416fc2 | 5975 | # elif defined(HAVE_CDSASSL) |
5976 | OSStatus error; /* Error info */ | |
5977 | size_t processed; /* Number of bytes processed */ | |
5978 | ||
5979 | ||
7cf5915e | 5980 | error = SSLWrite(http->tls, buf, len, &processed); |
ef416fc2 | 5981 | |
fa73b229 | 5982 | switch (error) |
ef416fc2 | 5983 | { |
fa73b229 | 5984 | case 0 : |
5985 | result = (int)processed; | |
5986 | break; | |
84315f46 | 5987 | |
fa73b229 | 5988 | case errSSLWouldBlock : |
b423cd4c | 5989 | if (processed) |
5990 | result = (int)processed; | |
5991 | else | |
5992 | { | |
5993 | result = -1; | |
ef55b745 | 5994 | errno = EINTR; |
b423cd4c | 5995 | } |
fa73b229 | 5996 | break; |
84315f46 MS |
5997 | |
5998 | case errSSLClosedGraceful : | |
fa73b229 | 5999 | default : |
84315f46 MS |
6000 | if (processed) |
6001 | result = (int)processed; | |
6002 | else | |
6003 | { | |
6004 | result = -1; | |
6005 | errno = EPIPE; | |
6006 | } | |
fa73b229 | 6007 | break; |
ef416fc2 | 6008 | } |
cc754834 | 6009 | # elif defined(HAVE_SSPISSL) |
84315f46 | 6010 | return _sspiWrite((_sspi_struct_t *)http->tls, (void *)buf, len); |
ef416fc2 | 6011 | # endif /* HAVE_LIBSSL */ |
f8b3a85b MS |
6012 | |
6013 | DEBUG_printf(("3http_write_ssl: Returning %d.", (int)result)); | |
6014 | ||
6015 | return ((int)result); | |
ef416fc2 | 6016 | } |
6017 | #endif /* HAVE_SSL */ | |
6018 | ||
6019 | ||
6020 | /* | |
f2d18633 | 6021 | * End of "$Id$". |
ef416fc2 | 6022 | */ |