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3840d6ba | 1 | /* |
9f6d3559 | 2 | * "$Id: http.c,v 1.124 2003/08/29 23:56:52 mike Exp $" |
3840d6ba | 3 | * |
1c1de3d7 | 4 | * HTTP routines for the Common UNIX Printing System (CUPS). |
fd8b1cf8 | 5 | * |
997fbfa7 | 6 | * Copyright 1997-2003 by Easy Software Products, all rights reserved. |
fd8b1cf8 | 7 | * |
b38fb7fc | 8 | * These coded instructions, statements, and computer programs are the |
fd8b1cf8 | 9 | * property of Easy Software Products and are protected by Federal |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
8784b6a6 | 17 | * 44141 Airport View Drive, Suite 204 |
fd8b1cf8 | 18 | * Hollywood, Maryland 20636-3111 USA |
19 | * | |
20 | * Voice: (301) 373-9603 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
3840d6ba | 23 | * |
34410ef2 | 24 | * This file is subject to the Apple OS-Developed Software exception. |
25 | * | |
3840d6ba | 26 | * Contents: |
27 | * | |
a1793153 | 28 | * httpInitialize() - Initialize the HTTP interface library and set the |
29 | * default HTTP proxy (if any). | |
30 | * httpCheck() - Check to see if there is a pending response from | |
31 | * the server. | |
4a8a506d | 32 | * httpClearCookie() - Clear the cookie value(s). |
a1793153 | 33 | * httpClose() - Close an HTTP connection... |
34 | * httpConnect() - Connect to a HTTP server. | |
35 | * httpConnectEncrypt() - Connect to a HTTP server using encryption. | |
36 | * httpEncryption() - Set the required encryption on the link. | |
37 | * httpReconnect() - Reconnect to a HTTP server... | |
83a2ea50 | 38 | * httpGetSubField() - Get a sub-field value. |
a1793153 | 39 | * httpSetField() - Set the value of an HTTP header. |
40 | * httpDelete() - Send a DELETE request to the server. | |
41 | * httpGet() - Send a GET request to the server. | |
42 | * httpHead() - Send a HEAD request to the server. | |
43 | * httpOptions() - Send an OPTIONS request to the server. | |
44 | * httpPost() - Send a POST request to the server. | |
45 | * httpPut() - Send a PUT request to the server. | |
46 | * httpTrace() - Send an TRACE request to the server. | |
47 | * httpFlush() - Flush data from a HTTP connection. | |
48 | * httpRead() - Read data from a HTTP connection. | |
4a8a506d | 49 | * httpSetCookie() - Set the cookie value(s)... |
aa73fd19 | 50 | * httpWait() - Wait for data available on a connection. |
a1793153 | 51 | * httpWrite() - Write data to a HTTP connection. |
52 | * httpGets() - Get a line of text from a HTTP connection. | |
53 | * httpPrintf() - Print a formatted string to a HTTP connection. | |
a1793153 | 54 | * httpGetDateString() - Get a formatted date/time string from a time value. |
55 | * httpGetDateTime() - Get a time value from a formatted date/time string. | |
56 | * httpUpdate() - Update the current HTTP state for incoming data. | |
57 | * httpDecode64() - Base64-decode a string. | |
58 | * httpEncode64() - Base64-encode a string. | |
59 | * httpGetLength() - Get the amount of data remaining from the | |
60 | * content-length or transfer-encoding fields. | |
61 | * http_field() - Return the field index for a field name. | |
62 | * http_send() - Send a request with all fields and the trailing | |
63 | * blank line. | |
94cf7749 | 64 | * http_wait() - Wait for data available on a connection. |
a1793153 | 65 | * http_upgrade() - Force upgrade to TLS encryption. |
2dac9564 | 66 | * http_setup_ssl() - Set up SSL/TLS on a connection. |
67 | * http_shutdown_ssl() - Shut down SSL/TLS on a connection. | |
68 | * http_read_ssl() - Read from a SSL/TLS connection. | |
69 | * http_write_ssl() - Write to a SSL/TLS connection. | |
6fe7f729 | 70 | * CDSAReadFunc() - Read function for CDSA decryption code. |
71 | * CDSAWriteFunc() - Write function for CDSA encryption code. | |
3840d6ba | 72 | */ |
73 | ||
74 | /* | |
75 | * Include necessary headers... | |
76 | */ | |
77 | ||
bdbf4417 | 78 | #include "http-private.h" |
79 | ||
3b960317 | 80 | #include <stdio.h> |
81 | #include <stdlib.h> | |
3840d6ba | 82 | #include <stdarg.h> |
3b960317 | 83 | #include <ctype.h> |
84 | #include "string.h" | |
3b960317 | 85 | #include <fcntl.h> |
4e8f6c6a | 86 | #include <errno.h> |
992cf15a | 87 | |
3b960317 | 88 | #include "http.h" |
4a73831b | 89 | #include "debug.h" |
f4cafe91 | 90 | |
3620d932 | 91 | #ifndef WIN32 |
5356dc5a | 92 | # include <signal.h> |
379ed99b | 93 | # include <sys/time.h> |
94 | # include <sys/resource.h> | |
3620d932 | 95 | #endif /* !WIN32 */ |
5356dc5a | 96 | |
a75c006a | 97 | |
42d48bd2 | 98 | /* |
99 | * Some operating systems have done away with the Fxxxx constants for | |
100 | * the fcntl() call; this works around that "feature"... | |
101 | */ | |
102 | ||
103 | #ifndef FNONBLK | |
104 | # define FNONBLK O_NONBLOCK | |
105 | #endif /* !FNONBLK */ | |
106 | ||
992cf15a | 107 | |
108 | /* | |
3a193f5e | 109 | * Local functions... |
992cf15a | 110 | */ |
111 | ||
063e1ac7 | 112 | static http_field_t http_field(const char *name); |
113 | static int http_send(http_t *http, http_state_t request, | |
114 | const char *uri); | |
94cf7749 | 115 | static int http_wait(http_t *http, int msec); |
2dac9564 | 116 | #ifdef HAVE_SSL |
2a0ef17a | 117 | static int http_upgrade(http_t *http); |
2dac9564 | 118 | static int http_setup_ssl(http_t *http); |
119 | static void http_shutdown_ssl(http_t *http); | |
120 | static int http_read_ssl(http_t *http, char *buf, int len); | |
121 | static int http_write_ssl(http_t *http, const char *buf, int len); | |
6fe7f729 | 122 | # ifdef HAVE_CDSASSL |
123 | static OSStatus CDSAReadFunc(SSLConnectionRef connection, void *data, size_t *dataLength); | |
124 | static OSStatus CDSAWriteFunc(SSLConnectionRef connection, const void *data, size_t *dataLength); | |
125 | # endif /* HAVE_CDSASSL */ | |
2dac9564 | 126 | #endif /* HAVE_SSL */ |
3840d6ba | 127 | |
128 | ||
129 | /* | |
3a193f5e | 130 | * Local globals... |
3840d6ba | 131 | */ |
132 | ||
19baf4b4 | 133 | static const char * const http_fields[] = |
3a193f5e | 134 | { |
3a193f5e | 135 | "Accept-Language", |
0542e38e | 136 | "Accept-Ranges", |
3a193f5e | 137 | "Authorization", |
3a193f5e | 138 | "Connection", |
3a193f5e | 139 | "Content-Encoding", |
140 | "Content-Language", | |
141 | "Content-Length", | |
142 | "Content-Location", | |
143 | "Content-MD5", | |
144 | "Content-Range", | |
145 | "Content-Type", | |
0d1f75a3 | 146 | "Content-Version", |
3a193f5e | 147 | "Date", |
3a193f5e | 148 | "Host", |
3a193f5e | 149 | "If-Modified-Since", |
3a193f5e | 150 | "If-Unmodified-since", |
0d1f75a3 | 151 | "Keep-Alive", |
3a193f5e | 152 | "Last-Modified", |
0d1f75a3 | 153 | "Link", |
3a193f5e | 154 | "Location", |
3a193f5e | 155 | "Range", |
156 | "Referer", | |
157 | "Retry-After", | |
3a193f5e | 158 | "Transfer-Encoding", |
159 | "Upgrade", | |
160 | "User-Agent", | |
3a193f5e | 161 | "WWW-Authenticate" |
162 | }; | |
19baf4b4 | 163 | static const char * const days[7] = |
3a193f5e | 164 | { |
165 | "Sun", | |
166 | "Mon", | |
167 | "Tue", | |
168 | "Wed", | |
169 | "Thu", | |
170 | "Fri", | |
171 | "Sat" | |
172 | }; | |
19baf4b4 | 173 | static const char * const months[12] = |
3a193f5e | 174 | { |
175 | "Jan", | |
176 | "Feb", | |
177 | "Mar", | |
178 | "Apr", | |
179 | "May", | |
180 | "Jun", | |
181 | "Jul", | |
182 | "Aug", | |
183 | "Sep", | |
184 | "Oct", | |
185 | "Nov", | |
186 | "Dec" | |
187 | }; | |
3840d6ba | 188 | |
189 | ||
9cba63f2 | 190 | /* |
191 | * 'httpInitialize()' - Initialize the HTTP interface library and set the | |
192 | * default HTTP proxy (if any). | |
193 | */ | |
194 | ||
195 | void | |
0542e38e | 196 | httpInitialize(void) |
9cba63f2 | 197 | { |
a75c006a | 198 | #ifdef HAVE_LIBSSL |
6cb0970f | 199 | # ifndef WIN32 |
a75c006a | 200 | struct timeval curtime; /* Current time in microseconds */ |
4e71ebd8 | 201 | # endif /* !WIN32 */ |
1c6682dd | 202 | int i; /* Looping var */ |
203 | unsigned char data[1024]; /* Seed data */ | |
a75c006a | 204 | #endif /* HAVE_LIBSSL */ |
205 | ||
3620d932 | 206 | #ifdef WIN32 |
50146867 | 207 | WSADATA winsockdata; /* WinSock data */ |
208 | static int initialized = 0;/* Has WinSock been initialized? */ | |
209 | ||
210 | ||
211 | if (!initialized) | |
212 | WSAStartup(MAKEWORD(1,1), &winsockdata); | |
ca7e65c8 | 213 | #elif defined(HAVE_SIGSET) |
214 | sigset(SIGPIPE, SIG_IGN); | |
215 | #elif defined(HAVE_SIGACTION) | |
2bffb563 | 216 | struct sigaction action; /* POSIX sigaction data */ |
217 | ||
218 | ||
219 | /* | |
220 | * Ignore SIGPIPE signals... | |
221 | */ | |
222 | ||
223 | memset(&action, 0, sizeof(action)); | |
224 | action.sa_handler = SIG_IGN; | |
225 | sigaction(SIGPIPE, &action, NULL); | |
ca7e65c8 | 226 | #else |
227 | signal(SIGPIPE, SIG_IGN); | |
3620d932 | 228 | #endif /* WIN32 */ |
a75c006a | 229 | |
2dac9564 | 230 | #ifdef HAVE_GNUTLS |
231 | gnutls_global_init(); | |
232 | #endif /* HAVE_GNUTLS */ | |
233 | ||
a75c006a | 234 | #ifdef HAVE_LIBSSL |
1c6682dd | 235 | SSL_load_error_strings(); |
a75c006a | 236 | SSL_library_init(); |
237 | ||
238 | /* | |
239 | * Using the current time is a dubious random seed, but on some systems | |
240 | * it is the best we can do (on others, this seed isn't even used...) | |
241 | */ | |
242 | ||
6cb0970f | 243 | #ifdef WIN32 |
244 | #else | |
a75c006a | 245 | gettimeofday(&curtime, NULL); |
1c6682dd | 246 | srand(curtime.tv_sec + curtime.tv_usec); |
4e71ebd8 | 247 | #endif /* WIN32 */ |
1c6682dd | 248 | |
249 | for (i = 0; i < sizeof(data); i ++) | |
250 | data[i] = rand(); /* Yes, this is a poor source of random data... */ | |
251 | ||
252 | RAND_seed(&data, sizeof(data)); | |
a75c006a | 253 | #endif /* HAVE_LIBSSL */ |
50146867 | 254 | } |
255 | ||
256 | ||
c1918ec5 | 257 | /* |
258 | * 'httpCheck()' - Check to see if there is a pending response from the server. | |
259 | */ | |
260 | ||
261 | int /* O - 0 = no data, 1 = data available */ | |
262 | httpCheck(http_t *http) /* I - HTTP connection */ | |
263 | { | |
aa73fd19 | 264 | return (httpWait(http, 0)); |
c1918ec5 | 265 | } |
266 | ||
267 | ||
4a8a506d | 268 | /* |
269 | * 'httpClearCookie()' - Clear the cookie value(s). | |
270 | */ | |
271 | ||
272 | void | |
273 | httpClearCookie(http_t *http) /* I - Connection */ | |
274 | { | |
275 | if (!http) | |
276 | return; | |
277 | ||
278 | if (http->cookie) | |
279 | { | |
280 | free(http->cookie); | |
281 | http->cookie = NULL; | |
282 | } | |
283 | } | |
284 | ||
285 | ||
50146867 | 286 | /* |
287 | * 'httpClose()' - Close an HTTP connection... | |
288 | */ | |
289 | ||
290 | void | |
291 | httpClose(http_t *http) /* I - Connection to close */ | |
292 | { | |
2a0ef17a | 293 | if (!http) |
50146867 | 294 | return; |
295 | ||
aa73fd19 | 296 | if (http->input_set) |
297 | free(http->input_set); | |
298 | ||
4a8a506d | 299 | if (http->cookie) |
300 | free(http->cookie); | |
301 | ||
2dac9564 | 302 | #ifdef HAVE_SSL |
2a0ef17a | 303 | if (http->tls) |
2dac9564 | 304 | http_shutdown_ssl(http); |
305 | #endif /* HAVE_SSL */ | |
2a0ef17a | 306 | |
50146867 | 307 | #ifdef WIN32 |
308 | closesocket(http->fd); | |
309 | #else | |
310 | close(http->fd); | |
311 | #endif /* WIN32 */ | |
312 | ||
313 | free(http); | |
9cba63f2 | 314 | } |
315 | ||
316 | ||
3840d6ba | 317 | /* |
50146867 | 318 | * 'httpConnect()' - Connect to a HTTP server. |
3840d6ba | 319 | */ |
320 | ||
50146867 | 321 | http_t * /* O - New HTTP connection */ |
063e1ac7 | 322 | httpConnect(const char *host, /* I - Host to connect to */ |
323 | int port) /* I - Port number */ | |
a1793153 | 324 | { |
325 | http_encryption_t encrypt;/* Type of encryption to use */ | |
326 | ||
327 | ||
328 | /* | |
329 | * Set the default encryption status... | |
330 | */ | |
331 | ||
332 | if (port == 443) | |
333 | encrypt = HTTP_ENCRYPT_ALWAYS; | |
334 | else | |
335 | encrypt = HTTP_ENCRYPT_IF_REQUESTED; | |
336 | ||
337 | return (httpConnectEncrypt(host, port, encrypt)); | |
338 | } | |
339 | ||
340 | ||
341 | /* | |
342 | * 'httpConnectEncrypt()' - Connect to a HTTP server using encryption. | |
343 | */ | |
344 | ||
345 | http_t * /* O - New HTTP connection */ | |
346 | httpConnectEncrypt(const char *host, /* I - Host to connect to */ | |
347 | int port, /* I - Port number */ | |
348 | http_encryption_t encrypt) | |
349 | /* I - Type of encryption to use */ | |
3840d6ba | 350 | { |
0e0ac99a | 351 | int i; /* Looping var */ |
50146867 | 352 | http_t *http; /* New HTTP connection */ |
353 | struct hostent *hostaddr; /* Host address data */ | |
354 | ||
355 | ||
db8c0a8c | 356 | if (host == NULL) |
357 | return (NULL); | |
358 | ||
0b83a6c8 | 359 | httpInitialize(); |
360 | ||
50146867 | 361 | /* |
362 | * Lookup the host... | |
363 | */ | |
364 | ||
0e0ac99a | 365 | if ((hostaddr = httpGetHostByName(host)) == NULL) |
627f4602 | 366 | { |
367 | /* | |
368 | * This hack to make users that don't have a localhost entry in | |
369 | * their hosts file or DNS happy... | |
370 | */ | |
371 | ||
372 | if (strcasecmp(host, "localhost") != 0) | |
373 | return (NULL); | |
0e0ac99a | 374 | else if ((hostaddr = httpGetHostByName("127.0.0.1")) == NULL) |
627f4602 | 375 | return (NULL); |
376 | } | |
3840d6ba | 377 | |
7e9dc5e9 | 378 | /* |
379 | * Verify that it is an IPv4 address (IPv6 support will come in CUPS 1.2...) | |
380 | */ | |
381 | ||
382 | if (hostaddr->h_addrtype != AF_INET || hostaddr->h_length != 4) | |
383 | return (NULL); | |
384 | ||
3840d6ba | 385 | /* |
3a193f5e | 386 | * Allocate memory for the structure... |
3840d6ba | 387 | */ |
388 | ||
3a193f5e | 389 | http = calloc(sizeof(http_t), 1); |
390 | if (http == NULL) | |
391 | return (NULL); | |
3840d6ba | 392 | |
a8374e1e | 393 | http->version = HTTP_1_1; |
0542e38e | 394 | http->blocking = 1; |
3a193f5e | 395 | http->activity = time(NULL); |
7e9dc5e9 | 396 | http->fd = -1; |
3840d6ba | 397 | |
398 | /* | |
50146867 | 399 | * Copy the hostname and port and then "reconnect"... |
3840d6ba | 400 | */ |
401 | ||
17438bf4 | 402 | strlcpy(http->hostname, host, sizeof(http->hostname)); |
50146867 | 403 | http->hostaddr.sin_family = hostaddr->h_addrtype; |
2456b740 | 404 | #ifdef WIN32 |
405 | http->hostaddr.sin_port = htons((u_short)port); | |
406 | #else | |
0542e38e | 407 | http->hostaddr.sin_port = htons(port); |
2456b740 | 408 | #endif /* WIN32 */ |
a75c006a | 409 | |
410 | /* | |
a1793153 | 411 | * Set the encryption status... |
a75c006a | 412 | */ |
413 | ||
9075313d | 414 | if (port == 443) /* Always use encryption for https */ |
415 | http->encryption = HTTP_ENCRYPT_ALWAYS; | |
416 | else | |
417 | http->encryption = encrypt; | |
a75c006a | 418 | |
419 | /* | |
0e0ac99a | 420 | * Loop through the addresses we have until one of them connects... |
a75c006a | 421 | */ |
422 | ||
17438bf4 | 423 | strlcpy(http->hostname, host, sizeof(http->hostname)); |
90c2431b | 424 | |
0e0ac99a | 425 | for (i = 0; hostaddr->h_addr_list[i]; i ++) |
3840d6ba | 426 | { |
0e0ac99a | 427 | /* |
428 | * Load the address... | |
429 | */ | |
430 | ||
90c2431b | 431 | memcpy((char *)&(http->hostaddr.sin_addr), hostaddr->h_addr_list[i], |
432 | hostaddr->h_length); | |
0e0ac99a | 433 | |
434 | /* | |
435 | * Connect to the remote system... | |
436 | */ | |
437 | ||
438 | if (!httpReconnect(http)) | |
439 | return (http); | |
3840d6ba | 440 | } |
0e0ac99a | 441 | |
442 | /* | |
443 | * Could not connect to any known address - bail out! | |
444 | */ | |
445 | ||
446 | free(http); | |
447 | return (NULL); | |
3a193f5e | 448 | } |
3840d6ba | 449 | |
3840d6ba | 450 | |
b38fb7fc | 451 | /* |
452 | * 'httpEncryption()' - Set the required encryption on the link. | |
453 | */ | |
454 | ||
455 | int /* O - -1 on error, 0 on success */ | |
456 | httpEncryption(http_t *http, /* I - HTTP data */ | |
457 | http_encryption_t e) /* I - New encryption preference */ | |
458 | { | |
2dac9564 | 459 | #ifdef HAVE_SSL |
b38fb7fc | 460 | if (!http) |
2a0ef17a | 461 | return (0); |
b38fb7fc | 462 | |
463 | http->encryption = e; | |
464 | ||
465 | if ((http->encryption == HTTP_ENCRYPT_ALWAYS && !http->tls) || | |
466 | (http->encryption == HTTP_ENCRYPT_NEVER && http->tls)) | |
467 | return (httpReconnect(http)); | |
2a0ef17a | 468 | else if (http->encryption == HTTP_ENCRYPT_REQUIRED && !http->tls) |
469 | return (http_upgrade(http)); | |
470 | else | |
471 | return (0); | |
472 | #else | |
473 | if (e == HTTP_ENCRYPT_ALWAYS || e == HTTP_ENCRYPT_REQUIRED) | |
474 | return (-1); | |
b38fb7fc | 475 | else |
476 | return (0); | |
2dac9564 | 477 | #endif /* HAVE_SSL */ |
b38fb7fc | 478 | } |
479 | ||
480 | ||
3a193f5e | 481 | /* |
50146867 | 482 | * 'httpReconnect()' - Reconnect to a HTTP server... |
3a193f5e | 483 | */ |
3840d6ba | 484 | |
50146867 | 485 | int /* O - 0 on success, non-zero on failure */ |
486 | httpReconnect(http_t *http) /* I - HTTP data */ | |
3a193f5e | 487 | { |
a75c006a | 488 | int val; /* Socket option value */ |
3840d6ba | 489 | |
2dac9564 | 490 | #ifdef HAVE_SSL |
a75c006a | 491 | if (http->tls) |
2dac9564 | 492 | http_shutdown_ssl(http); |
493 | #endif /* HAVE_SSL */ | |
a75c006a | 494 | |
50146867 | 495 | /* |
496 | * Close any previously open socket... | |
497 | */ | |
498 | ||
7e9dc5e9 | 499 | if (http->fd >= 0) |
3a193f5e | 500 | #ifdef WIN32 |
50146867 | 501 | closesocket(http->fd); |
3a193f5e | 502 | #else |
50146867 | 503 | close(http->fd); |
3a193f5e | 504 | #endif /* WIN32 */ |
3840d6ba | 505 | |
50146867 | 506 | /* |
507 | * Create the socket and set options to allow reuse. | |
508 | */ | |
3840d6ba | 509 | |
900b10ea | 510 | if ((http->fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) |
0bf5ae82 | 511 | { |
3620d932 | 512 | #ifdef WIN32 |
977acbd3 | 513 | http->error = WSAGetLastError(); |
514 | #else | |
f44afac9 | 515 | http->error = errno; |
3620d932 | 516 | #endif /* WIN32 */ |
f44afac9 | 517 | http->status = HTTP_ERROR; |
50146867 | 518 | return (-1); |
0bf5ae82 | 519 | } |
fd8b1cf8 | 520 | |
50146867 | 521 | #ifdef FD_CLOEXEC |
522 | fcntl(http->fd, F_SETFD, FD_CLOEXEC); /* Close this socket when starting * | |
523 | * other processes... */ | |
524 | #endif /* FD_CLOEXEC */ | |
fd8b1cf8 | 525 | |
50146867 | 526 | val = 1; |
2456b740 | 527 | setsockopt(http->fd, SOL_SOCKET, SO_REUSEADDR, (char *)&val, sizeof(val)); |
3840d6ba | 528 | |
50146867 | 529 | #ifdef SO_REUSEPORT |
530 | val = 1; | |
531 | setsockopt(http->fd, SOL_SOCKET, SO_REUSEPORT, &val, sizeof(val)); | |
532 | #endif /* SO_REUSEPORT */ | |
3840d6ba | 533 | |
08e230aa | 534 | /* |
535 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
536 | * with a slow loopback interface... Since we write large buffers | |
537 | * when sending print files and requests, there shouldn't be any | |
538 | * performance penalty for this... | |
539 | */ | |
540 | ||
541 | val = 1; | |
542 | setsockopt(http->fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); | |
543 | ||
50146867 | 544 | /* |
545 | * Connect to the server... | |
546 | */ | |
547 | ||
548 | if (connect(http->fd, (struct sockaddr *)&(http->hostaddr), | |
549 | sizeof(http->hostaddr)) < 0) | |
550 | { | |
3620d932 | 551 | #ifdef WIN32 |
977acbd3 | 552 | http->error = WSAGetLastError(); |
553 | #else | |
f44afac9 | 554 | http->error = errno; |
3620d932 | 555 | #endif /* WIN32 */ |
f44afac9 | 556 | http->status = HTTP_ERROR; |
0bf5ae82 | 557 | |
50146867 | 558 | #ifdef WIN32 |
559 | closesocket(http->fd); | |
560 | #else | |
561 | close(http->fd); | |
562 | #endif | |
563 | ||
7e9dc5e9 | 564 | http->fd = -1; |
565 | ||
50146867 | 566 | return (-1); |
e8fda7b9 | 567 | } |
f44afac9 | 568 | |
569 | http->error = 0; | |
570 | http->status = HTTP_CONTINUE; | |
50146867 | 571 | |
2dac9564 | 572 | #ifdef HAVE_SSL |
a75c006a | 573 | if (http->encryption == HTTP_ENCRYPT_ALWAYS) |
574 | { | |
575 | /* | |
2a0ef17a | 576 | * Always do encryption via SSL. |
a75c006a | 577 | */ |
578 | ||
2dac9564 | 579 | if (http_setup_ssl(http) != 0) |
a75c006a | 580 | { |
a75c006a | 581 | #ifdef WIN32 |
582 | closesocket(http->fd); | |
583 | #else | |
584 | close(http->fd); | |
2dac9564 | 585 | #endif /* WIN32 */ |
a75c006a | 586 | |
587 | return (-1); | |
588 | } | |
a75c006a | 589 | } |
2a0ef17a | 590 | else if (http->encryption == HTTP_ENCRYPT_REQUIRED) |
591 | return (http_upgrade(http)); | |
2dac9564 | 592 | #endif /* HAVE_SSL */ |
a75c006a | 593 | |
50146867 | 594 | return (0); |
3a193f5e | 595 | } |
596 | ||
597 | ||
83e740a5 | 598 | /* |
599 | * 'httpGetSubField()' - Get a sub-field value. | |
600 | */ | |
601 | ||
602 | char * /* O - Value or NULL */ | |
603 | httpGetSubField(http_t *http, /* I - HTTP data */ | |
604 | http_field_t field, /* I - Field index */ | |
605 | const char *name, /* I - Name of sub-field */ | |
606 | char *value) /* O - Value string */ | |
607 | { | |
608 | const char *fptr; /* Pointer into field */ | |
609 | char temp[HTTP_MAX_VALUE], /* Temporary buffer for name */ | |
610 | *ptr; /* Pointer into string buffer */ | |
611 | ||
612 | ||
613 | if (http == NULL || | |
614 | field < HTTP_FIELD_ACCEPT_LANGUAGE || | |
615 | field > HTTP_FIELD_WWW_AUTHENTICATE || | |
616 | name == NULL || value == NULL) | |
617 | return (NULL); | |
618 | ||
83a2ea50 | 619 | DEBUG_printf(("httpGetSubField(%p, %d, \"%s\", %p)\n", |
620 | http, field, name, value)); | |
621 | ||
83e740a5 | 622 | for (fptr = http->fields[field]; *fptr;) |
623 | { | |
624 | /* | |
625 | * Skip leading whitespace... | |
626 | */ | |
627 | ||
3f4c4837 | 628 | while (isspace(*fptr)) |
83e740a5 | 629 | fptr ++; |
630 | ||
631 | if (*fptr == ',') | |
632 | { | |
633 | fptr ++; | |
634 | continue; | |
635 | } | |
636 | ||
637 | /* | |
638 | * Get the sub-field name... | |
639 | */ | |
640 | ||
641 | for (ptr = temp; | |
642 | *fptr && *fptr != '=' && !isspace(*fptr) && ptr < (temp + sizeof(temp) - 1); | |
643 | *ptr++ = *fptr++); | |
644 | ||
645 | *ptr = '\0'; | |
646 | ||
83a2ea50 | 647 | DEBUG_printf(("name = \"%s\"\n", temp)); |
648 | ||
83e740a5 | 649 | /* |
650 | * Skip trailing chars up to the '='... | |
651 | */ | |
652 | ||
83a2ea50 | 653 | while (isspace(*fptr)) |
83e740a5 | 654 | fptr ++; |
655 | ||
656 | if (!*fptr) | |
657 | break; | |
658 | ||
83a2ea50 | 659 | if (*fptr != '=') |
660 | continue; | |
661 | ||
83e740a5 | 662 | /* |
663 | * Skip = and leading whitespace... | |
664 | */ | |
665 | ||
666 | fptr ++; | |
667 | ||
3f4c4837 | 668 | while (isspace(*fptr)) |
83e740a5 | 669 | fptr ++; |
670 | ||
671 | if (*fptr == '\"') | |
672 | { | |
673 | /* | |
674 | * Read quoted string... | |
675 | */ | |
676 | ||
677 | for (ptr = value, fptr ++; | |
678 | *fptr && *fptr != '\"' && ptr < (value + HTTP_MAX_VALUE - 1); | |
679 | *ptr++ = *fptr++); | |
680 | ||
681 | *ptr = '\0'; | |
682 | ||
683 | while (*fptr && *fptr != '\"') | |
684 | fptr ++; | |
685 | ||
686 | if (*fptr) | |
687 | fptr ++; | |
688 | } | |
689 | else | |
690 | { | |
691 | /* | |
692 | * Read unquoted string... | |
693 | */ | |
694 | ||
695 | for (ptr = value; | |
696 | *fptr && !isspace(*fptr) && *fptr != ',' && ptr < (value + HTTP_MAX_VALUE - 1); | |
697 | *ptr++ = *fptr++); | |
698 | ||
699 | *ptr = '\0'; | |
700 | ||
701 | while (*fptr && !isspace(*fptr) && *fptr != ',') | |
702 | fptr ++; | |
703 | } | |
704 | ||
83a2ea50 | 705 | DEBUG_printf(("value = \"%s\"\n", value)); |
706 | ||
83e740a5 | 707 | /* |
708 | * See if this is the one... | |
709 | */ | |
710 | ||
711 | if (strcmp(name, temp) == 0) | |
712 | return (value); | |
713 | } | |
714 | ||
715 | value[0] = '\0'; | |
716 | ||
717 | return (NULL); | |
718 | } | |
719 | ||
720 | ||
50146867 | 721 | /* |
722 | * 'httpSetField()' - Set the value of an HTTP header. | |
723 | */ | |
3a193f5e | 724 | |
50146867 | 725 | void |
726 | httpSetField(http_t *http, /* I - HTTP data */ | |
727 | http_field_t field, /* I - Field index */ | |
063e1ac7 | 728 | const char *value) /* I - Value */ |
3a193f5e | 729 | { |
83e740a5 | 730 | if (http == NULL || |
731 | field < HTTP_FIELD_ACCEPT_LANGUAGE || | |
732 | field > HTTP_FIELD_WWW_AUTHENTICATE || | |
733 | value == NULL) | |
734 | return; | |
735 | ||
17438bf4 | 736 | strlcpy(http->fields[field], value, HTTP_MAX_VALUE); |
3a193f5e | 737 | } |
738 | ||
739 | ||
50146867 | 740 | /* |
741 | * 'httpDelete()' - Send a DELETE request to the server. | |
742 | */ | |
743 | ||
744 | int /* O - Status of call (0 = success) */ | |
063e1ac7 | 745 | httpDelete(http_t *http, /* I - HTTP data */ |
746 | const char *uri) /* I - URI to delete */ | |
3a193f5e | 747 | { |
a8374e1e | 748 | return (http_send(http, HTTP_DELETE, uri)); |
3a193f5e | 749 | } |
750 | ||
751 | ||
50146867 | 752 | /* |
753 | * 'httpGet()' - Send a GET request to the server. | |
754 | */ | |
755 | ||
756 | int /* O - Status of call (0 = success) */ | |
063e1ac7 | 757 | httpGet(http_t *http, /* I - HTTP data */ |
758 | const char *uri) /* I - URI to get */ | |
3a193f5e | 759 | { |
a8374e1e | 760 | return (http_send(http, HTTP_GET, uri)); |
3a193f5e | 761 | } |
762 | ||
763 | ||
50146867 | 764 | /* |
765 | * 'httpHead()' - Send a HEAD request to the server. | |
766 | */ | |
767 | ||
768 | int /* O - Status of call (0 = success) */ | |
063e1ac7 | 769 | httpHead(http_t *http, /* I - HTTP data */ |
770 | const char *uri) /* I - URI for head */ | |
3a193f5e | 771 | { |
a8374e1e | 772 | return (http_send(http, HTTP_HEAD, uri)); |
3a193f5e | 773 | } |
774 | ||
775 | ||
50146867 | 776 | /* |
777 | * 'httpOptions()' - Send an OPTIONS request to the server. | |
778 | */ | |
779 | ||
780 | int /* O - Status of call (0 = success) */ | |
063e1ac7 | 781 | httpOptions(http_t *http, /* I - HTTP data */ |
782 | const char *uri) /* I - URI for options */ | |
3a193f5e | 783 | { |
a8374e1e | 784 | return (http_send(http, HTTP_OPTIONS, uri)); |
3a193f5e | 785 | } |
786 | ||
787 | ||
50146867 | 788 | /* |
789 | * 'httpPost()' - Send a POST request to the server. | |
790 | */ | |
791 | ||
792 | int /* O - Status of call (0 = success) */ | |
063e1ac7 | 793 | httpPost(http_t *http, /* I - HTTP data */ |
794 | const char *uri) /* I - URI for post */ | |
3a193f5e | 795 | { |
4a73831b | 796 | httpGetLength(http); |
0542e38e | 797 | |
a8374e1e | 798 | return (http_send(http, HTTP_POST, uri)); |
3a193f5e | 799 | } |
800 | ||
801 | ||
802 | /* | |
50146867 | 803 | * 'httpPut()' - Send a PUT request to the server. |
3a193f5e | 804 | */ |
805 | ||
50146867 | 806 | int /* O - Status of call (0 = success) */ |
063e1ac7 | 807 | httpPut(http_t *http, /* I - HTTP data */ |
808 | const char *uri) /* I - URI to put */ | |
3a193f5e | 809 | { |
4a73831b | 810 | httpGetLength(http); |
0542e38e | 811 | |
a8374e1e | 812 | return (http_send(http, HTTP_PUT, uri)); |
3840d6ba | 813 | } |
814 | ||
815 | ||
816 | /* | |
50146867 | 817 | * 'httpTrace()' - Send an TRACE request to the server. |
3840d6ba | 818 | */ |
819 | ||
50146867 | 820 | int /* O - Status of call (0 = success) */ |
063e1ac7 | 821 | httpTrace(http_t *http, /* I - HTTP data */ |
822 | const char *uri) /* I - URI for trace */ | |
3840d6ba | 823 | { |
a8374e1e | 824 | return (http_send(http, HTTP_TRACE, uri)); |
3840d6ba | 825 | } |
826 | ||
827 | ||
69ee1496 | 828 | /* |
829 | * 'httpFlush()' - Flush data from a HTTP connection. | |
830 | */ | |
831 | ||
832 | void | |
833 | httpFlush(http_t *http) /* I - HTTP data */ | |
834 | { | |
835 | char buffer[8192]; /* Junk buffer */ | |
836 | ||
837 | ||
3fd6dd5b | 838 | if (http->state != HTTP_WAITING) |
839 | { | |
840 | while (httpRead(http, buffer, sizeof(buffer)) > 0); | |
841 | } | |
69ee1496 | 842 | } |
843 | ||
844 | ||
3840d6ba | 845 | /* |
50146867 | 846 | * 'httpRead()' - Read data from a HTTP connection. |
3840d6ba | 847 | */ |
848 | ||
50146867 | 849 | int /* O - Number of bytes read */ |
850 | httpRead(http_t *http, /* I - HTTP data */ | |
851 | char *buffer, /* I - Buffer for data */ | |
852 | int length) /* I - Maximum number of bytes */ | |
3840d6ba | 853 | { |
2456b740 | 854 | int bytes; /* Bytes read */ |
50146867 | 855 | char len[32]; /* Length string */ |
3840d6ba | 856 | |
857 | ||
96da13a4 | 858 | DEBUG_printf(("httpRead(%p, %p, %d)\n", http, buffer, length)); |
4a73831b | 859 | |
50146867 | 860 | if (http == NULL || buffer == NULL) |
861 | return (-1); | |
3840d6ba | 862 | |
50146867 | 863 | http->activity = time(NULL); |
3840d6ba | 864 | |
50146867 | 865 | if (length <= 0) |
866 | return (0); | |
fd8b1cf8 | 867 | |
0542e38e | 868 | if (http->data_encoding == HTTP_ENCODE_CHUNKED && |
5e879034 | 869 | http->data_remaining <= 0) |
50146867 | 870 | { |
5e879034 | 871 | DEBUG_puts("httpRead: Getting chunk length..."); |
872 | ||
50146867 | 873 | if (httpGets(len, sizeof(len), http) == NULL) |
5e879034 | 874 | { |
875 | DEBUG_puts("httpRead: Could not get length!"); | |
50146867 | 876 | return (0); |
5e879034 | 877 | } |
3840d6ba | 878 | |
0542e38e | 879 | http->data_remaining = strtol(len, NULL, 16); |
04a7b72e | 880 | if (http->data_remaining < 0) |
881 | { | |
882 | DEBUG_puts("httpRead: Negative chunk length!"); | |
883 | return (0); | |
884 | } | |
50146867 | 885 | } |
3840d6ba | 886 | |
4a73831b | 887 | DEBUG_printf(("httpRead: data_remaining = %d\n", http->data_remaining)); |
888 | ||
04a7b72e | 889 | if (http->data_remaining <= 0) |
3840d6ba | 890 | { |
50146867 | 891 | /* |
892 | * A zero-length chunk ends a transfer; unless we are reading POST | |
893 | * data, go idle... | |
894 | */ | |
f736c0e3 | 895 | |
5e879034 | 896 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) |
4355fb2f | 897 | httpGets(len, sizeof(len), http); |
898 | ||
50146867 | 899 | if (http->state == HTTP_POST_RECV) |
900 | http->state ++; | |
901 | else | |
902 | http->state = HTTP_WAITING; | |
3840d6ba | 903 | |
50146867 | 904 | return (0); |
905 | } | |
0542e38e | 906 | else if (length > http->data_remaining) |
907 | length = http->data_remaining; | |
50146867 | 908 | |
c0a0a784 | 909 | if (http->used == 0 && length <= 256) |
910 | { | |
911 | /* | |
912 | * Buffer small reads for better performance... | |
913 | */ | |
914 | ||
1c9fac45 | 915 | if (!http->blocking && !httpWait(http, 1000)) |
916 | return (0); | |
917 | ||
c0a0a784 | 918 | if (http->data_remaining > sizeof(http->buffer)) |
919 | bytes = sizeof(http->buffer); | |
920 | else | |
921 | bytes = http->data_remaining; | |
922 | ||
2dac9564 | 923 | #ifdef HAVE_SSL |
c0a0a784 | 924 | if (http->tls) |
2dac9564 | 925 | bytes = http_read_ssl(http, http->buffer, bytes); |
c0a0a784 | 926 | else |
2dac9564 | 927 | #endif /* HAVE_SSL */ |
c0a0a784 | 928 | { |
929 | DEBUG_printf(("httpRead: reading %d bytes from socket into buffer...\n", | |
930 | bytes)); | |
931 | ||
932 | bytes = recv(http->fd, http->buffer, bytes, 0); | |
933 | ||
934 | DEBUG_printf(("httpRead: read %d bytes from socket into buffer...\n", | |
935 | bytes)); | |
936 | } | |
937 | ||
938 | if (bytes > 0) | |
939 | http->used = bytes; | |
940 | else if (bytes < 0) | |
941 | { | |
3620d932 | 942 | #ifdef WIN32 |
c0a0a784 | 943 | http->error = WSAGetLastError(); |
b3ee6362 | 944 | return (-1); |
c0a0a784 | 945 | #else |
b3ee6362 | 946 | if (errno != EINTR) |
947 | { | |
948 | http->error = errno; | |
949 | return (-1); | |
950 | } | |
3620d932 | 951 | #endif /* WIN32 */ |
c0a0a784 | 952 | } |
1c9fac45 | 953 | else |
706416fc | 954 | { |
955 | http->error = EPIPE; | |
c0a0a784 | 956 | return (0); |
706416fc | 957 | } |
c0a0a784 | 958 | } |
959 | ||
0542e38e | 960 | if (http->used > 0) |
50146867 | 961 | { |
0542e38e | 962 | if (length > http->used) |
963 | length = http->used; | |
3840d6ba | 964 | |
0542e38e | 965 | bytes = length; |
966 | ||
4a73831b | 967 | DEBUG_printf(("httpRead: grabbing %d bytes from input buffer...\n", bytes)); |
968 | ||
0542e38e | 969 | memcpy(buffer, http->buffer, length); |
970 | http->used -= length; | |
971 | ||
972 | if (http->used > 0) | |
1289a630 | 973 | memmove(http->buffer, http->buffer + length, http->used); |
50146867 | 974 | } |
2dac9564 | 975 | #ifdef HAVE_SSL |
a75c006a | 976 | else if (http->tls) |
13271ca6 | 977 | { |
978 | if (!http->blocking && !httpWait(http, 1000)) | |
979 | return (0); | |
980 | ||
2dac9564 | 981 | bytes = http_read_ssl(http, buffer, length); |
13271ca6 | 982 | } |
2dac9564 | 983 | #endif /* HAVE_SSL */ |
0542e38e | 984 | else |
4a73831b | 985 | { |
706416fc | 986 | if (!http->blocking && !httpWait(http, 1000)) |
987 | return (0); | |
1c9fac45 | 988 | |
4a73831b | 989 | DEBUG_printf(("httpRead: reading %d bytes from socket...\n", length)); |
0542e38e | 990 | bytes = recv(http->fd, buffer, length, 0); |
4a73831b | 991 | DEBUG_printf(("httpRead: read %d bytes from socket...\n", bytes)); |
992 | } | |
3840d6ba | 993 | |
0542e38e | 994 | if (bytes > 0) |
995 | http->data_remaining -= bytes; | |
0bf5ae82 | 996 | else if (bytes < 0) |
b3ee6362 | 997 | { |
3620d932 | 998 | #ifdef WIN32 |
977acbd3 | 999 | http->error = WSAGetLastError(); |
1000 | #else | |
b3ee6362 | 1001 | if (errno == EINTR) |
1002 | bytes = 0; | |
1003 | else | |
1004 | http->error = errno; | |
3620d932 | 1005 | #endif /* WIN32 */ |
b3ee6362 | 1006 | } |
1c9fac45 | 1007 | else |
706416fc | 1008 | { |
1009 | http->error = EPIPE; | |
1c9fac45 | 1010 | return (0); |
706416fc | 1011 | } |
0542e38e | 1012 | |
4355fb2f | 1013 | if (http->data_remaining == 0) |
4a73831b | 1014 | { |
5e879034 | 1015 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) |
4355fb2f | 1016 | httpGets(len, sizeof(len), http); |
1017 | ||
1018 | if (http->data_encoding != HTTP_ENCODE_CHUNKED) | |
1019 | { | |
1020 | if (http->state == HTTP_POST_RECV) | |
1021 | http->state ++; | |
1022 | else | |
1023 | http->state = HTTP_WAITING; | |
1024 | } | |
4a73831b | 1025 | } |
1026 | ||
96da13a4 | 1027 | #ifdef DEBUG |
1028 | { | |
1029 | int i, j, ch; | |
1030 | printf("httpRead: Read %d bytes:\n", bytes); | |
1031 | for (i = 0; i < bytes; i += 16) | |
1032 | { | |
1033 | printf(" "); | |
1034 | ||
1035 | for (j = 0; j < 16 && (i + j) < bytes; j ++) | |
1036 | printf(" %02X", buffer[i + j] & 255); | |
1037 | ||
1038 | while (j < 16) | |
1039 | { | |
1040 | printf(" "); | |
1041 | j ++; | |
1042 | } | |
1043 | ||
1044 | printf(" "); | |
1045 | for (j = 0; j < 16 && (i + j) < bytes; j ++) | |
1046 | { | |
1047 | ch = buffer[i + j] & 255; | |
1048 | ||
1049 | if (ch < ' ' || ch == 127) | |
1050 | ch = '.'; | |
1051 | ||
1052 | putchar(ch); | |
1053 | } | |
1054 | putchar('\n'); | |
1055 | } | |
1056 | } | |
1057 | #endif /* DEBUG */ | |
1058 | ||
0542e38e | 1059 | return (bytes); |
3840d6ba | 1060 | } |
1061 | ||
1062 | ||
4a8a506d | 1063 | /* |
1064 | * 'httpSetCookie()' - Set the cookie value(s)... | |
1065 | */ | |
1066 | ||
1067 | void | |
94cf7749 | 1068 | httpSetCookie(http_t *http, /* I - Connection */ |
1069 | const char *cookie) /* I - Cookie string */ | |
4a8a506d | 1070 | { |
1071 | if (!http) | |
1072 | return; | |
1073 | ||
1074 | if (http->cookie) | |
1075 | free(http->cookie); | |
1076 | ||
1077 | if (cookie) | |
1078 | http->cookie = strdup(cookie); | |
1079 | else | |
1080 | http->cookie = NULL; | |
1081 | } | |
1082 | ||
1083 | ||
aa73fd19 | 1084 | /* |
1085 | * 'httpWait()' - Wait for data available on a connection. | |
1086 | */ | |
1087 | ||
1088 | int /* O - 1 if data is available, 0 otherwise */ | |
1089 | httpWait(http_t *http, /* I - HTTP data */ | |
1090 | int msec) /* I - Milliseconds to wait */ | |
1091 | { | |
aa73fd19 | 1092 | /* |
1093 | * First see if there is data in the buffer... | |
1094 | */ | |
1095 | ||
1096 | if (http == NULL) | |
1097 | return (0); | |
1098 | ||
1099 | if (http->used) | |
1100 | return (1); | |
1101 | ||
1102 | /* | |
94cf7749 | 1103 | * If not, check the SSL/TLS buffers and do a select() on the connection... |
aa73fd19 | 1104 | */ |
1105 | ||
94cf7749 | 1106 | return (http_wait(http, msec)); |
aa73fd19 | 1107 | } |
1108 | ||
1109 | ||
3840d6ba | 1110 | /* |
50146867 | 1111 | * 'httpWrite()' - Write data to a HTTP connection. |
3840d6ba | 1112 | */ |
50146867 | 1113 | |
1114 | int /* O - Number of bytes written */ | |
063e1ac7 | 1115 | httpWrite(http_t *http, /* I - HTTP data */ |
1116 | const char *buffer, /* I - Buffer for data */ | |
1117 | int length) /* I - Number of bytes to write */ | |
3840d6ba | 1118 | { |
977acbd3 | 1119 | int tbytes, /* Total bytes sent */ |
1120 | bytes; /* Bytes sent */ | |
3840d6ba | 1121 | |
1122 | ||
50146867 | 1123 | if (http == NULL || buffer == NULL) |
1124 | return (-1); | |
3840d6ba | 1125 | |
50146867 | 1126 | http->activity = time(NULL); |
1127 | ||
5e879034 | 1128 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) |
8d5f8b3e | 1129 | { |
4355fb2f | 1130 | if (httpPrintf(http, "%x\r\n", length) < 0) |
50146867 | 1131 | return (-1); |
3840d6ba | 1132 | |
8d5f8b3e | 1133 | if (length == 0) |
1134 | { | |
1135 | /* | |
1136 | * A zero-length chunk ends a transfer; unless we are sending POST | |
9f6d3559 | 1137 | * or PUT data, go idle... |
8d5f8b3e | 1138 | */ |
1139 | ||
1140 | DEBUG_puts("httpWrite: changing states..."); | |
1141 | ||
1142 | if (http->state == HTTP_POST_RECV) | |
1143 | http->state ++; | |
ae3c9f2d | 1144 | else if (http->state == HTTP_PUT_RECV) |
1145 | http->state = HTTP_STATUS; | |
8d5f8b3e | 1146 | else |
1147 | http->state = HTTP_WAITING; | |
1148 | ||
1149 | if (httpPrintf(http, "\r\n") < 0) | |
1150 | return (-1); | |
1151 | ||
1152 | return (0); | |
1153 | } | |
1154 | } | |
1155 | ||
50146867 | 1156 | tbytes = 0; |
4a73831b | 1157 | |
50146867 | 1158 | while (length > 0) |
1159 | { | |
2dac9564 | 1160 | #ifdef HAVE_SSL |
a75c006a | 1161 | if (http->tls) |
2dac9564 | 1162 | bytes = http_write_ssl(http, buffer, length); |
a75c006a | 1163 | else |
2dac9564 | 1164 | #endif /* HAVE_SSL */ |
50146867 | 1165 | bytes = send(http->fd, buffer, length, 0); |
a75c006a | 1166 | |
50146867 | 1167 | if (bytes < 0) |
4a73831b | 1168 | { |
b3ee6362 | 1169 | #ifdef WIN32 |
1170 | if (WSAGetLastError() != http->error) | |
1171 | { | |
1172 | http->error = WSAGetLastError(); | |
1173 | continue; | |
1174 | } | |
1175 | #else | |
1176 | if (errno == EINTR) | |
1177 | continue; | |
1178 | else if (errno != http->error) | |
1179 | { | |
1180 | http->error = errno; | |
1181 | continue; | |
1182 | } | |
1183 | #endif /* WIN32 */ | |
1184 | ||
4a73831b | 1185 | DEBUG_puts("httpWrite: error writing data...\n"); |
c1918ec5 | 1186 | |
50146867 | 1187 | return (-1); |
4a73831b | 1188 | } |
3840d6ba | 1189 | |
50146867 | 1190 | buffer += bytes; |
1191 | tbytes += bytes; | |
1192 | length -= bytes; | |
69ee1496 | 1193 | if (http->data_encoding == HTTP_ENCODE_LENGTH) |
1194 | http->data_remaining -= bytes; | |
1195 | } | |
1196 | ||
5e879034 | 1197 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) |
4355fb2f | 1198 | if (httpPrintf(http, "\r\n") < 0) |
1199 | return (-1); | |
1200 | ||
8d5f8b3e | 1201 | if (http->data_remaining == 0 && http->data_encoding == HTTP_ENCODE_LENGTH) |
69ee1496 | 1202 | { |
1203 | /* | |
9f6d3559 | 1204 | * Finished with the transfer; unless we are sending POST or PUT |
1205 | * data, go idle... | |
69ee1496 | 1206 | */ |
1207 | ||
8d5f8b3e | 1208 | DEBUG_puts("httpWrite: changing states..."); |
1209 | ||
69ee1496 | 1210 | if (http->state == HTTP_POST_RECV) |
1211 | http->state ++; | |
9f6d3559 | 1212 | else if (http->state == HTTP_PUT_RECV) |
1213 | http->state = HTTP_STATUS; | |
69ee1496 | 1214 | else |
1215 | http->state = HTTP_WAITING; | |
50146867 | 1216 | } |
1217 | ||
96da13a4 | 1218 | #ifdef DEBUG |
1219 | { | |
1220 | int i, j, ch; | |
1221 | printf("httpWrite: wrote %d bytes: \n", tbytes); | |
1222 | for (i = 0, buffer -= tbytes; i < tbytes; i += 16) | |
1223 | { | |
1224 | printf(" "); | |
1225 | ||
1226 | for (j = 0; j < 16 && (i + j) < tbytes; j ++) | |
1227 | printf(" %02X", buffer[i + j] & 255); | |
1228 | ||
1229 | while (j < 16) | |
1230 | { | |
1231 | printf(" "); | |
1232 | j ++; | |
1233 | } | |
4a73831b | 1234 | |
96da13a4 | 1235 | printf(" "); |
1236 | for (j = 0; j < 16 && (i + j) < tbytes; j ++) | |
1237 | { | |
1238 | ch = buffer[i + j] & 255; | |
1239 | ||
1240 | if (ch < ' ' || ch == 127) | |
1241 | ch = '.'; | |
1242 | ||
1243 | putchar(ch); | |
1244 | } | |
1245 | putchar('\n'); | |
1246 | } | |
1247 | } | |
1248 | #endif /* DEBUG */ | |
50146867 | 1249 | return (tbytes); |
1250 | } | |
1251 | ||
1252 | ||
1253 | /* | |
1254 | * 'httpGets()' - Get a line of text from a HTTP connection. | |
1255 | */ | |
1256 | ||
1257 | char * /* O - Line or NULL */ | |
1258 | httpGets(char *line, /* I - Line to read into */ | |
1259 | int length, /* I - Max length of buffer */ | |
1260 | http_t *http) /* I - HTTP data */ | |
1261 | { | |
1262 | char *lineptr, /* Pointer into line */ | |
1263 | *bufptr, /* Pointer into input buffer */ | |
1264 | *bufend; /* Pointer to end of buffer */ | |
1265 | int bytes; /* Number of bytes read */ | |
1266 | ||
1267 | ||
96da13a4 | 1268 | DEBUG_printf(("httpGets(%p, %d, %p)\n", line, length, http)); |
4a73831b | 1269 | |
50146867 | 1270 | if (http == NULL || line == NULL) |
1271 | return (NULL); | |
1272 | ||
1273 | /* | |
1274 | * Pre-scan the buffer and see if there is a newline in there... | |
1275 | */ | |
1276 | ||
3620d932 | 1277 | #ifdef WIN32 |
977acbd3 | 1278 | WSASetLastError(0); |
1279 | #else | |
0bf5ae82 | 1280 | errno = 0; |
3620d932 | 1281 | #endif /* WIN32 */ |
f5174332 | 1282 | |
0542e38e | 1283 | do |
50146867 | 1284 | { |
0542e38e | 1285 | bufptr = http->buffer; |
1286 | bufend = http->buffer + http->used; | |
50146867 | 1287 | |
0542e38e | 1288 | while (bufptr < bufend) |
1289 | if (*bufptr == 0x0a) | |
1290 | break; | |
1291 | else | |
1292 | bufptr ++; | |
50146867 | 1293 | |
27d555e8 | 1294 | if (bufptr >= bufend && http->used < HTTP_MAX_BUFFER) |
50146867 | 1295 | { |
1296 | /* | |
0542e38e | 1297 | * No newline; see if there is more data to be read... |
50146867 | 1298 | */ |
1299 | ||
94cf7749 | 1300 | if (!http->blocking && !http_wait(http, 1000)) |
13271ca6 | 1301 | return (NULL); |
1302 | ||
2dac9564 | 1303 | #ifdef HAVE_SSL |
a75c006a | 1304 | if (http->tls) |
2dac9564 | 1305 | bytes = http_read_ssl(http, bufend, HTTP_MAX_BUFFER - http->used); |
a75c006a | 1306 | else |
2dac9564 | 1307 | #endif /* HAVE_SSL */ |
1c9fac45 | 1308 | bytes = recv(http->fd, bufend, HTTP_MAX_BUFFER - http->used, 0); |
a75c006a | 1309 | |
1310 | if (bytes < 0) | |
0542e38e | 1311 | { |
1312 | /* | |
1313 | * Nope, can't get a line this time... | |
1314 | */ | |
1315 | ||
3620d932 | 1316 | #ifdef WIN32 |
977acbd3 | 1317 | if (WSAGetLastError() != http->error) |
1318 | { | |
1319 | http->error = WSAGetLastError(); | |
1320 | continue; | |
1321 | } | |
1322 | ||
1323 | DEBUG_printf(("httpGets(): recv() error %d!\n", WSAGetLastError())); | |
1324 | #else | |
b3ee6362 | 1325 | if (errno == EINTR) |
1326 | continue; | |
1327 | else if (errno != http->error) | |
f5174332 | 1328 | { |
0bf5ae82 | 1329 | http->error = errno; |
c1918ec5 | 1330 | continue; |
f5174332 | 1331 | } |
c1918ec5 | 1332 | |
1333 | DEBUG_printf(("httpGets(): recv() error %d!\n", errno)); | |
3620d932 | 1334 | #endif /* WIN32 */ |
c1918ec5 | 1335 | |
0542e38e | 1336 | return (NULL); |
1337 | } | |
f5174332 | 1338 | else if (bytes == 0) |
0bf5ae82 | 1339 | { |
1c9fac45 | 1340 | http->error = EPIPE; |
0bf5ae82 | 1341 | |
f5174332 | 1342 | return (NULL); |
0bf5ae82 | 1343 | } |
0542e38e | 1344 | |
f5174332 | 1345 | /* |
1346 | * Yup, update the amount used and the end pointer... | |
1347 | */ | |
1348 | ||
1349 | http->used += bytes; | |
1350 | bufend += bytes; | |
1289a630 | 1351 | bufptr = bufend; |
50146867 | 1352 | } |
1353 | } | |
27d555e8 | 1354 | while (bufptr >= bufend && http->used < HTTP_MAX_BUFFER); |
50146867 | 1355 | |
1356 | http->activity = time(NULL); | |
1357 | ||
1358 | /* | |
1359 | * Read a line from the buffer... | |
1360 | */ | |
1361 | ||
1362 | lineptr = line; | |
1363 | bufptr = http->buffer; | |
1364 | bytes = 0; | |
584886cb | 1365 | length --; |
50146867 | 1366 | |
1367 | while (bufptr < bufend && bytes < length) | |
1368 | { | |
1369 | bytes ++; | |
1370 | ||
1371 | if (*bufptr == 0x0a) | |
1372 | { | |
1373 | bufptr ++; | |
584886cb | 1374 | break; |
50146867 | 1375 | } |
1376 | else if (*bufptr == 0x0d) | |
1377 | bufptr ++; | |
1378 | else | |
1379 | *lineptr++ = *bufptr++; | |
1380 | } | |
1381 | ||
584886cb | 1382 | if (bytes > 0) |
1383 | { | |
1384 | *lineptr = '\0'; | |
1385 | ||
1386 | http->used -= bytes; | |
1387 | if (http->used > 0) | |
1289a630 | 1388 | memmove(http->buffer, bufptr, http->used); |
584886cb | 1389 | |
1390 | DEBUG_printf(("httpGets(): Returning \"%s\"\n", line)); | |
1391 | return (line); | |
1392 | } | |
1393 | ||
c1918ec5 | 1394 | DEBUG_puts("httpGets(): No new line available!"); |
1395 | ||
50146867 | 1396 | return (NULL); |
1397 | } | |
1398 | ||
1399 | ||
1400 | /* | |
1401 | * 'httpPrintf()' - Print a formatted string to a HTTP connection. | |
1402 | */ | |
1403 | ||
1404 | int /* O - Number of bytes written */ | |
1405 | httpPrintf(http_t *http, /* I - HTTP data */ | |
1406 | const char *format, /* I - printf-style format string */ | |
1407 | ...) /* I - Additional args as needed */ | |
1408 | { | |
1118e338 | 1409 | int bytes, /* Number of bytes to write */ |
1410 | nbytes, /* Number of bytes written */ | |
1411 | tbytes; /* Number of bytes all together */ | |
1412 | char buf[HTTP_MAX_BUFFER], /* Buffer for formatted string */ | |
1413 | *bufptr; /* Pointer into buffer */ | |
50146867 | 1414 | va_list ap; /* Variable argument pointer */ |
1415 | ||
1416 | ||
1417 | va_start(ap, format); | |
04de52f8 | 1418 | bytes = vsnprintf(buf, sizeof(buf), format, ap); |
50146867 | 1419 | va_end(ap); |
1420 | ||
5356dc5a | 1421 | DEBUG_printf(("httpPrintf: %s", buf)); |
1422 | ||
1118e338 | 1423 | for (tbytes = 0, bufptr = buf; tbytes < bytes; tbytes += nbytes, bufptr += nbytes) |
a75c006a | 1424 | { |
2dac9564 | 1425 | #ifdef HAVE_SSL |
a75c006a | 1426 | if (http->tls) |
2dac9564 | 1427 | nbytes = http_write_ssl(http, bufptr, bytes - tbytes); |
a75c006a | 1428 | else |
2dac9564 | 1429 | #endif /* HAVE_SSL */ |
a75c006a | 1430 | nbytes = send(http->fd, bufptr, bytes - tbytes, 0); |
1431 | ||
1432 | if (nbytes < 0) | |
b3ee6362 | 1433 | { |
1434 | nbytes = 0; | |
1435 | ||
1436 | #ifdef WIN32 | |
1437 | if (WSAGetLastError() != http->error) | |
1438 | { | |
1439 | http->error = WSAGetLastError(); | |
1440 | continue; | |
1441 | } | |
1442 | #else | |
1443 | if (errno == EINTR) | |
1444 | continue; | |
1445 | else if (errno != http->error) | |
1446 | { | |
1447 | http->error = errno; | |
1448 | continue; | |
1449 | } | |
1450 | #endif /* WIN32 */ | |
1451 | ||
1118e338 | 1452 | return (-1); |
b3ee6362 | 1453 | } |
a75c006a | 1454 | } |
1118e338 | 1455 | |
1456 | return (bytes); | |
50146867 | 1457 | } |
1458 | ||
1459 | ||
50146867 | 1460 | /* |
1461 | * 'httpGetDateString()' - Get a formatted date/time string from a time value. | |
1462 | */ | |
1463 | ||
063e1ac7 | 1464 | const char * /* O - Date/time string */ |
50146867 | 1465 | httpGetDateString(time_t t) /* I - UNIX time */ |
1466 | { | |
1467 | struct tm *tdate; | |
1468 | static char datetime[256]; | |
1469 | ||
1470 | ||
1471 | tdate = gmtime(&t); | |
a6988fb1 | 1472 | snprintf(datetime, sizeof(datetime), "%s, %02d %s %d %02d:%02d:%02d GMT", |
1473 | days[tdate->tm_wday], tdate->tm_mday, months[tdate->tm_mon], | |
1474 | tdate->tm_year + 1900, tdate->tm_hour, tdate->tm_min, tdate->tm_sec); | |
50146867 | 1475 | |
1476 | return (datetime); | |
1477 | } | |
1478 | ||
1479 | ||
1480 | /* | |
1481 | * 'httpGetDateTime()' - Get a time value from a formatted date/time string. | |
1482 | */ | |
1483 | ||
1484 | time_t /* O - UNIX time */ | |
063e1ac7 | 1485 | httpGetDateTime(const char *s) /* I - Date/time string */ |
50146867 | 1486 | { |
a8374e1e | 1487 | int i; /* Looping var */ |
1488 | struct tm tdate; /* Time/date structure */ | |
1489 | char mon[16]; /* Abbreviated month name */ | |
1490 | int day, year; /* Day of month and year */ | |
1491 | int hour, min, sec; /* Time */ | |
1492 | ||
1493 | ||
04d61d56 | 1494 | if (sscanf(s, "%*s%d%15s%d%d:%d:%d", &day, mon, &year, &hour, &min, &sec) < 6) |
a8374e1e | 1495 | return (0); |
1496 | ||
1497 | for (i = 0; i < 12; i ++) | |
1498 | if (strcasecmp(mon, months[i]) == 0) | |
1499 | break; | |
1500 | ||
1501 | if (i >= 12) | |
1502 | return (0); | |
1503 | ||
1504 | tdate.tm_mon = i; | |
1505 | tdate.tm_mday = day; | |
1506 | tdate.tm_year = year - 1900; | |
1507 | tdate.tm_hour = hour; | |
1508 | tdate.tm_min = min; | |
1509 | tdate.tm_sec = sec; | |
1510 | tdate.tm_isdst = 0; | |
1511 | ||
1512 | return (mktime(&tdate)); | |
50146867 | 1513 | } |
1514 | ||
1515 | ||
1516 | /* | |
1517 | * 'httpUpdate()' - Update the current HTTP state for incoming data. | |
1518 | */ | |
1519 | ||
a8374e1e | 1520 | http_status_t /* O - HTTP status */ |
50146867 | 1521 | httpUpdate(http_t *http) /* I - HTTP data */ |
1522 | { | |
a8374e1e | 1523 | char line[1024], /* Line from connection... */ |
1524 | *value; /* Pointer to value on line */ | |
1525 | http_field_t field; /* Field index */ | |
50146867 | 1526 | int major, minor; /* HTTP version numbers */ |
50146867 | 1527 | http_status_t status; /* Authorization status */ |
50146867 | 1528 | |
50146867 | 1529 | |
96da13a4 | 1530 | DEBUG_printf(("httpUpdate(%p)\n", http)); |
4a73831b | 1531 | |
a8374e1e | 1532 | /* |
1533 | * If we haven't issued any commands, then there is nothing to "update"... | |
1534 | */ | |
3840d6ba | 1535 | |
a8374e1e | 1536 | if (http->state == HTTP_WAITING) |
1537 | return (HTTP_CONTINUE); | |
3840d6ba | 1538 | |
1539 | /* | |
a8374e1e | 1540 | * Grab all of the lines we can from the connection... |
3840d6ba | 1541 | */ |
1542 | ||
a8374e1e | 1543 | while (httpGets(line, sizeof(line), http) != NULL) |
fd8b1cf8 | 1544 | { |
f4cafe91 | 1545 | DEBUG_puts(line); |
9ae9d67c | 1546 | |
a8374e1e | 1547 | if (line[0] == '\0') |
fd8b1cf8 | 1548 | { |
a8374e1e | 1549 | /* |
1550 | * Blank line means the start of the data section (if any). Return | |
1551 | * the result code, too... | |
11b9b0d7 | 1552 | * |
1553 | * If we get status 100 (HTTP_CONTINUE), then we *don't* change states. | |
1554 | * Instead, we just return HTTP_CONTINUE to the caller and keep on | |
1555 | * tryin'... | |
a8374e1e | 1556 | */ |
1557 | ||
11b9b0d7 | 1558 | if (http->status == HTTP_CONTINUE) |
1559 | return (http->status); | |
1560 | ||
2dac9564 | 1561 | #ifdef HAVE_SSL |
b38fb7fc | 1562 | if (http->status == HTTP_SWITCHING_PROTOCOLS && !http->tls) |
a75c006a | 1563 | { |
2dac9564 | 1564 | if (http_setup_ssl(http) != 0) |
a75c006a | 1565 | { |
a75c006a | 1566 | #ifdef WIN32 |
1567 | closesocket(http->fd); | |
1568 | #else | |
1569 | close(http->fd); | |
1570 | #endif | |
1571 | ||
1572 | return (HTTP_ERROR); | |
1573 | } | |
1574 | ||
a75c006a | 1575 | return (HTTP_CONTINUE); |
1576 | } | |
2dac9564 | 1577 | #endif /* HAVE_SSL */ |
a75c006a | 1578 | |
5356dc5a | 1579 | httpGetLength(http); |
0542e38e | 1580 | |
1581 | switch (http->state) | |
1582 | { | |
1583 | case HTTP_GET : | |
1584 | case HTTP_POST : | |
1585 | case HTTP_POST_RECV : | |
1586 | case HTTP_PUT : | |
1587 | http->state ++; | |
3fd6dd5b | 1588 | case HTTP_POST_SEND : |
0542e38e | 1589 | break; |
1590 | ||
1591 | default : | |
1592 | http->state = HTTP_WAITING; | |
1593 | break; | |
1594 | } | |
a8374e1e | 1595 | |
1596 | return (http->status); | |
fd8b1cf8 | 1597 | } |
a8374e1e | 1598 | else if (strncmp(line, "HTTP/", 5) == 0) |
fd8b1cf8 | 1599 | { |
1600 | /* | |
a8374e1e | 1601 | * Got the beginning of a response... |
fd8b1cf8 | 1602 | */ |
1603 | ||
d21a7597 | 1604 | if (sscanf(line, "HTTP/%d.%d%d", &major, &minor, (int *)&status) != 3) |
a8374e1e | 1605 | return (HTTP_ERROR); |
1606 | ||
1607 | http->version = (http_version_t)(major * 100 + minor); | |
1608 | http->status = status; | |
fd8b1cf8 | 1609 | } |
a8374e1e | 1610 | else if ((value = strchr(line, ':')) != NULL) |
3840d6ba | 1611 | { |
a8374e1e | 1612 | /* |
1613 | * Got a value... | |
1614 | */ | |
3a193f5e | 1615 | |
a8374e1e | 1616 | *value++ = '\0'; |
1617 | while (isspace(*value)) | |
1618 | value ++; | |
1619 | ||
0d1f75a3 | 1620 | /* |
1621 | * Be tolerants of servers that send unknown attribute fields... | |
1622 | */ | |
1623 | ||
4a8a506d | 1624 | if (!strcasecmp(line, "expect")) |
1625 | { | |
1626 | /* | |
1627 | * "Expect: 100-continue" or similar... | |
1628 | */ | |
1629 | ||
1630 | http->expect = (http_status_t)atoi(value); | |
1631 | } | |
1632 | else if (!strcasecmp(line, "cookie")) | |
1633 | { | |
1634 | /* | |
1635 | * "Cookie: name=value[; name=value ...]" - replaces previous cookies... | |
1636 | */ | |
1637 | ||
1638 | httpSetCookie(http, value); | |
1639 | } | |
1640 | else if ((field = http_field(line)) == HTTP_FIELD_UNKNOWN) | |
f4cafe91 | 1641 | { |
4a73831b | 1642 | DEBUG_printf(("httpUpdate: unknown field %s seen!\n", line)); |
0d1f75a3 | 1643 | continue; |
f4cafe91 | 1644 | } |
4a8a506d | 1645 | else |
1646 | httpSetField(http, field, value); | |
3840d6ba | 1647 | } |
a8374e1e | 1648 | else |
f44afac9 | 1649 | { |
1650 | http->status = HTTP_ERROR; | |
a8374e1e | 1651 | return (HTTP_ERROR); |
f44afac9 | 1652 | } |
fd8b1cf8 | 1653 | } |
3840d6ba | 1654 | |
4e8f6c6a | 1655 | /* |
1656 | * See if there was an error... | |
1657 | */ | |
1658 | ||
0bf5ae82 | 1659 | if (http->error) |
f44afac9 | 1660 | { |
1661 | http->status = HTTP_ERROR; | |
4e8f6c6a | 1662 | return (HTTP_ERROR); |
f44afac9 | 1663 | } |
4e8f6c6a | 1664 | |
3840d6ba | 1665 | /* |
a8374e1e | 1666 | * If we haven't already returned, then there is nothing new... |
3840d6ba | 1667 | */ |
1668 | ||
a8374e1e | 1669 | return (HTTP_CONTINUE); |
3840d6ba | 1670 | } |
1671 | ||
1672 | ||
3a193f5e | 1673 | /* |
50146867 | 1674 | * 'httpDecode64()' - Base64-decode a string. |
3840d6ba | 1675 | */ |
1676 | ||
50146867 | 1677 | char * /* O - Decoded string */ |
063e1ac7 | 1678 | httpDecode64(char *out, /* I - String to write to */ |
1679 | const char *in) /* I - String to read from */ | |
3840d6ba | 1680 | { |
50146867 | 1681 | int pos, /* Bit position */ |
1682 | base64; /* Value of this character */ | |
1683 | char *outptr; /* Output pointer */ | |
3840d6ba | 1684 | |
3840d6ba | 1685 | |
50146867 | 1686 | for (outptr = out, pos = 0; *in != '\0'; in ++) |
fd8b1cf8 | 1687 | { |
50146867 | 1688 | /* |
1689 | * Decode this character into a number from 0 to 63... | |
1690 | */ | |
f736c0e3 | 1691 | |
50146867 | 1692 | if (*in >= 'A' && *in <= 'Z') |
1693 | base64 = *in - 'A'; | |
1694 | else if (*in >= 'a' && *in <= 'z') | |
1695 | base64 = *in - 'a' + 26; | |
1696 | else if (*in >= '0' && *in <= '9') | |
1697 | base64 = *in - '0' + 52; | |
1698 | else if (*in == '+') | |
1699 | base64 = 62; | |
1700 | else if (*in == '/') | |
1701 | base64 = 63; | |
1702 | else if (*in == '=') | |
1703 | break; | |
1704 | else | |
1705 | continue; | |
3840d6ba | 1706 | |
50146867 | 1707 | /* |
1708 | * Store the result in the appropriate chars... | |
1709 | */ | |
992cf15a | 1710 | |
1711 | switch (pos) | |
1712 | { | |
1713 | case 0 : | |
50146867 | 1714 | *outptr = base64 << 2; |
1715 | pos ++; | |
992cf15a | 1716 | break; |
50146867 | 1717 | case 1 : |
1718 | *outptr++ |= (base64 >> 4) & 3; | |
1719 | *outptr = (base64 << 4) & 255; | |
1720 | pos ++; | |
1721 | break; | |
1722 | case 2 : | |
1723 | *outptr++ |= (base64 >> 2) & 15; | |
1724 | *outptr = (base64 << 6) & 255; | |
1725 | pos ++; | |
1726 | break; | |
1727 | case 3 : | |
1728 | *outptr++ |= base64; | |
1729 | pos = 0; | |
992cf15a | 1730 | break; |
992cf15a | 1731 | } |
1732 | } | |
1733 | ||
50146867 | 1734 | *outptr = '\0'; |
3840d6ba | 1735 | |
1736 | /* | |
50146867 | 1737 | * Return the decoded string... |
3840d6ba | 1738 | */ |
1739 | ||
50146867 | 1740 | return (out); |
3840d6ba | 1741 | } |
1742 | ||
1743 | ||
f736c0e3 | 1744 | /* |
50146867 | 1745 | * 'httpEncode64()' - Base64-encode a string. |
f736c0e3 | 1746 | */ |
1747 | ||
50146867 | 1748 | char * /* O - Encoded string */ |
063e1ac7 | 1749 | httpEncode64(char *out, /* I - String to write to */ |
1750 | const char *in) /* I - String to read from */ | |
f736c0e3 | 1751 | { |
50146867 | 1752 | char *outptr; /* Output pointer */ |
19baf4b4 | 1753 | static const char base64[] = /* Base64 characters... */ |
50146867 | 1754 | { |
1755 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
1756 | "abcdefghijklmnopqrstuvwxyz" | |
1757 | "0123456789" | |
1758 | "+/" | |
1759 | }; | |
f736c0e3 | 1760 | |
f736c0e3 | 1761 | |
50146867 | 1762 | for (outptr = out; *in != '\0'; in ++) |
f736c0e3 | 1763 | { |
1764 | /* | |
50146867 | 1765 | * Encode the up to 3 characters as 4 Base64 numbers... |
f736c0e3 | 1766 | */ |
1767 | ||
50146867 | 1768 | *outptr ++ = base64[in[0] >> 2]; |
1769 | *outptr ++ = base64[((in[0] << 4) | (in[1] >> 4)) & 63]; | |
f736c0e3 | 1770 | |
50146867 | 1771 | in ++; |
1772 | if (*in == '\0') | |
f0af4f8f | 1773 | { |
1774 | *outptr ++ = '='; | |
50146867 | 1775 | break; |
f0af4f8f | 1776 | } |
f736c0e3 | 1777 | |
50146867 | 1778 | *outptr ++ = base64[((in[0] << 2) | (in[1] >> 6)) & 63]; |
f736c0e3 | 1779 | |
50146867 | 1780 | in ++; |
1781 | if (*in == '\0') | |
1782 | break; | |
f736c0e3 | 1783 | |
50146867 | 1784 | *outptr ++ = base64[in[0] & 63]; |
f736c0e3 | 1785 | } |
f736c0e3 | 1786 | |
50146867 | 1787 | *outptr ++ = '='; |
1788 | *outptr = '\0'; | |
f736c0e3 | 1789 | |
50146867 | 1790 | /* |
1791 | * Return the encoded string... | |
1792 | */ | |
f736c0e3 | 1793 | |
50146867 | 1794 | return (out); |
f736c0e3 | 1795 | } |
1796 | ||
1797 | ||
3a193f5e | 1798 | /* |
4a73831b | 1799 | * 'httpGetLength()' - Get the amount of data remaining from the |
1800 | * content-length or transfer-encoding fields. | |
0542e38e | 1801 | */ |
1802 | ||
063e1ac7 | 1803 | int /* O - Content length */ |
4a73831b | 1804 | httpGetLength(http_t *http) /* I - HTTP data */ |
0542e38e | 1805 | { |
3fd6dd5b | 1806 | DEBUG_printf(("httpGetLength(%p), state = %d\n", http, http->state)); |
5e879034 | 1807 | |
0542e38e | 1808 | if (strcasecmp(http->fields[HTTP_FIELD_TRANSFER_ENCODING], "chunked") == 0) |
1809 | { | |
5e879034 | 1810 | DEBUG_puts("httpGetLength: chunked request!"); |
1811 | ||
0542e38e | 1812 | http->data_encoding = HTTP_ENCODE_CHUNKED; |
1813 | http->data_remaining = 0; | |
1814 | } | |
1815 | else | |
1816 | { | |
5e879034 | 1817 | http->data_encoding = HTTP_ENCODE_LENGTH; |
0542e38e | 1818 | |
1819 | /* | |
1820 | * The following is a hack for HTTP servers that don't send a | |
1821 | * content-length or transfer-encoding field... | |
1822 | * | |
1823 | * If there is no content-length then the connection must close | |
1824 | * after the transfer is complete... | |
1825 | */ | |
1826 | ||
1827 | if (http->fields[HTTP_FIELD_CONTENT_LENGTH][0] == '\0') | |
1828 | http->data_remaining = 2147483647; | |
1829 | else | |
1830 | http->data_remaining = atoi(http->fields[HTTP_FIELD_CONTENT_LENGTH]); | |
5e879034 | 1831 | |
1832 | DEBUG_printf(("httpGetLength: content_length = %d\n", http->data_remaining)); | |
0542e38e | 1833 | } |
4a73831b | 1834 | |
1835 | return (http->data_remaining); | |
1836 | } | |
1837 | ||
1838 | ||
1839 | /* | |
1840 | * 'http_field()' - Return the field index for a field name. | |
1841 | */ | |
1842 | ||
1843 | static http_field_t /* O - Field index */ | |
063e1ac7 | 1844 | http_field(const char *name) /* I - String name */ |
4a73831b | 1845 | { |
1846 | int i; /* Looping var */ | |
1847 | ||
1848 | ||
1849 | for (i = 0; i < HTTP_FIELD_MAX; i ++) | |
1850 | if (strcasecmp(name, http_fields[i]) == 0) | |
1851 | return ((http_field_t)i); | |
1852 | ||
1853 | return (HTTP_FIELD_UNKNOWN); | |
0542e38e | 1854 | } |
1855 | ||
1856 | ||
a8374e1e | 1857 | /* |
1858 | * 'http_send()' - Send a request with all fields and the trailing blank line. | |
1859 | */ | |
1860 | ||
1861 | static int /* O - 0 on success, non-zero on error */ | |
1862 | http_send(http_t *http, /* I - HTTP data */ | |
1863 | http_state_t request, /* I - Request code */ | |
063e1ac7 | 1864 | const char *uri) /* I - URI */ |
a8374e1e | 1865 | { |
1866 | int i; /* Looping var */ | |
1867 | char *ptr, /* Pointer in buffer */ | |
1868 | buf[1024]; /* Encoded URI buffer */ | |
19baf4b4 | 1869 | static const char * const codes[] = |
1870 | { /* Request code strings */ | |
a8374e1e | 1871 | NULL, |
1872 | "OPTIONS", | |
1873 | "GET", | |
1874 | NULL, | |
1875 | "HEAD", | |
1876 | "POST", | |
1877 | NULL, | |
1878 | NULL, | |
1879 | "PUT", | |
1880 | NULL, | |
1881 | "DELETE", | |
1882 | "TRACE", | |
1883 | "CLOSE" | |
1884 | }; | |
19baf4b4 | 1885 | static const char hex[] = "0123456789ABCDEF"; |
a8374e1e | 1886 | /* Hex digits */ |
1887 | ||
1888 | ||
1889 | if (http == NULL || uri == NULL) | |
1890 | return (-1); | |
1891 | ||
1892 | /* | |
1893 | * Encode the URI as needed... | |
1894 | */ | |
1895 | ||
d2e58bfa | 1896 | for (ptr = buf; *uri != '\0' && ptr < (buf + sizeof(buf) - 1); uri ++) |
a8374e1e | 1897 | if (*uri <= ' ' || *uri >= 127) |
1898 | { | |
d2e58bfa | 1899 | if (ptr < (buf + sizeof(buf) - 1)) |
1900 | *ptr ++ = '%'; | |
1901 | if (ptr < (buf + sizeof(buf) - 1)) | |
1902 | *ptr ++ = hex[(*uri >> 4) & 15]; | |
1903 | if (ptr < (buf + sizeof(buf) - 1)) | |
1904 | *ptr ++ = hex[*uri & 15]; | |
a8374e1e | 1905 | } |
1906 | else | |
1907 | *ptr ++ = *uri; | |
1908 | ||
1909 | *ptr = '\0'; | |
1910 | ||
f44afac9 | 1911 | /* |
1912 | * See if we had an error the last time around; if so, reconnect... | |
1913 | */ | |
1914 | ||
1915 | if (http->status == HTTP_ERROR || http->status >= HTTP_BAD_REQUEST) | |
1916 | httpReconnect(http); | |
1917 | ||
a8374e1e | 1918 | /* |
1919 | * Send the request header... | |
1920 | */ | |
1921 | ||
1922 | http->state = request; | |
5356dc5a | 1923 | if (request == HTTP_POST || request == HTTP_PUT) |
1924 | http->state ++; | |
1925 | ||
c1918ec5 | 1926 | http->status = HTTP_CONTINUE; |
1927 | ||
2dac9564 | 1928 | #ifdef HAVE_SSL |
2a0ef17a | 1929 | if (http->encryption == HTTP_ENCRYPT_REQUIRED && !http->tls) |
a75c006a | 1930 | { |
1931 | httpSetField(http, HTTP_FIELD_CONNECTION, "Upgrade"); | |
1932 | httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.0,SSL/2.0,SSL/3.0"); | |
1933 | } | |
2dac9564 | 1934 | #endif /* HAVE_SSL */ |
a75c006a | 1935 | |
406971d9 | 1936 | if (httpPrintf(http, "%s %s HTTP/1.1\r\n", codes[request], buf) < 1) |
a8374e1e | 1937 | { |
f44afac9 | 1938 | http->status = HTTP_ERROR; |
1939 | return (-1); | |
a8374e1e | 1940 | } |
1941 | ||
1942 | for (i = 0; i < HTTP_FIELD_MAX; i ++) | |
1943 | if (http->fields[i][0] != '\0') | |
4a73831b | 1944 | { |
1945 | DEBUG_printf(("%s: %s\n", http_fields[i], http->fields[i])); | |
1946 | ||
406971d9 | 1947 | if (httpPrintf(http, "%s: %s\r\n", http_fields[i], http->fields[i]) < 1) |
f44afac9 | 1948 | { |
1949 | http->status = HTTP_ERROR; | |
1950 | return (-1); | |
1951 | } | |
4a73831b | 1952 | } |
a8374e1e | 1953 | |
406971d9 | 1954 | if (httpPrintf(http, "\r\n") < 1) |
f44afac9 | 1955 | { |
1956 | http->status = HTTP_ERROR; | |
a8374e1e | 1957 | return (-1); |
f44afac9 | 1958 | } |
a8374e1e | 1959 | |
1960 | httpClearFields(http); | |
1961 | ||
a8374e1e | 1962 | return (0); |
1963 | } | |
1964 | ||
1965 | ||
94cf7749 | 1966 | /* |
1967 | * 'http_wait()' - Wait for data available on a connection. | |
1968 | */ | |
1969 | ||
1970 | static int /* O - 1 if data is available, 0 otherwise */ | |
1971 | http_wait(http_t *http, /* I - HTTP data */ | |
1972 | int msec) /* I - Milliseconds to wait */ | |
1973 | { | |
1974 | #ifndef WIN32 | |
1975 | struct rlimit limit; /* Runtime limit */ | |
1976 | #endif /* !WIN32 */ | |
1977 | struct timeval timeout; /* Timeout */ | |
1978 | int nfds; /* Result from select() */ | |
1979 | ||
1980 | ||
1981 | /* | |
1982 | * Check the SSL/TLS buffers for data first... | |
1983 | */ | |
1984 | ||
1985 | #ifdef HAVE_SSL | |
1986 | if (http->tls) | |
1987 | { | |
1988 | # ifdef HAVE_LIBSSL | |
1989 | if (SSL_pending((SSL *)(http->tls))) | |
1990 | return (1); | |
1991 | # elif defined(HAVE_GNUTLS) | |
1992 | if (gnutls_record_check_pending(((http_tls_t *)(http->tls))->session)) | |
1993 | return (1); | |
1994 | # elif defined(HAVE_CDSASSL) | |
1995 | size_t bytes; /* Bytes that are available */ | |
1996 | ||
1997 | if (!SSLGetBufferedReadSize((SSLContextRef)http->tls, &bytes) && bytes > 0) | |
1998 | return; | |
1999 | # endif /* HAVE_LIBSSL */ | |
2000 | } | |
2001 | #endif /* HAVE_SSL */ | |
2002 | ||
2003 | /* | |
2004 | * Then try doing a select() to poll the socket... | |
2005 | */ | |
2006 | ||
2007 | if (!http->input_set) | |
2008 | { | |
2009 | #ifdef WIN32 | |
2010 | /* | |
2011 | * Windows has a fixed-size select() structure, different (surprise, | |
2012 | * surprise!) from all UNIX implementations. Just allocate this | |
2013 | * fixed structure... | |
2014 | */ | |
2015 | ||
2016 | http->input_set = calloc(1, sizeof(fd_set)); | |
2017 | #else | |
2018 | /* | |
2019 | * Allocate the select() input set based upon the max number of file | |
2020 | * descriptors available for this process... | |
2021 | */ | |
2022 | ||
2023 | getrlimit(RLIMIT_NOFILE, &limit); | |
2024 | ||
dab10b25 | 2025 | http->input_set = calloc(1, (limit.rlim_cur + 31) / 32); |
94cf7749 | 2026 | #endif /* WIN32 */ |
2027 | ||
2028 | if (!http->input_set) | |
2029 | return (0); | |
2030 | } | |
2031 | ||
2032 | FD_SET(http->fd, http->input_set); | |
2033 | ||
2034 | if (msec >= 0) | |
2035 | { | |
2036 | timeout.tv_sec = msec / 1000; | |
2037 | timeout.tv_usec = (msec % 1000) * 1000; | |
2038 | ||
2039 | nfds = select(http->fd + 1, http->input_set, NULL, NULL, &timeout); | |
2040 | } | |
2041 | else | |
2042 | nfds = select(http->fd + 1, http->input_set, NULL, NULL, NULL); | |
2043 | ||
2044 | FD_CLR(http->fd, http->input_set); | |
2045 | ||
2046 | return (nfds > 0); | |
2047 | } | |
2048 | ||
2049 | ||
2dac9564 | 2050 | #ifdef HAVE_SSL |
2a0ef17a | 2051 | /* |
2052 | * 'http_upgrade()' - Force upgrade to TLS encryption. | |
2053 | */ | |
2054 | ||
2055 | static int /* O - Status of connection */ | |
2056 | http_upgrade(http_t *http) /* I - HTTP data */ | |
2057 | { | |
1c6682dd | 2058 | int ret; /* Return value */ |
2059 | http_t myhttp; /* Local copy of HTTP data */ | |
2060 | ||
2a0ef17a | 2061 | |
1c6682dd | 2062 | DEBUG_printf(("http_upgrade(%p)\n", http)); |
2063 | ||
2064 | /* | |
2065 | * Copy the HTTP data to a local variable so we can do the OPTIONS | |
2066 | * request without interfering with the existing request data... | |
2067 | */ | |
2068 | ||
2069 | memcpy(&myhttp, http, sizeof(myhttp)); | |
2a0ef17a | 2070 | |
2071 | /* | |
2072 | * Send an OPTIONS request to the server, requiring SSL or TLS | |
2073 | * encryption on the link... | |
2074 | */ | |
2075 | ||
1c6682dd | 2076 | httpClearFields(&myhttp); |
2077 | httpSetField(&myhttp, HTTP_FIELD_CONNECTION, "upgrade"); | |
2078 | httpSetField(&myhttp, HTTP_FIELD_UPGRADE, "TLS/1.0, SSL/2.0, SSL/3.0"); | |
2079 | ||
2080 | if ((ret = httpOptions(&myhttp, "*")) == 0) | |
2081 | { | |
2082 | /* | |
2083 | * Wait for the secure connection... | |
2084 | */ | |
2085 | ||
2086 | while (httpUpdate(&myhttp) == HTTP_CONTINUE); | |
2087 | } | |
2088 | ||
2089 | httpFlush(&myhttp); | |
2a0ef17a | 2090 | |
2091 | /* | |
1c6682dd | 2092 | * Copy the HTTP data back over, if any... |
2a0ef17a | 2093 | */ |
2094 | ||
1c6682dd | 2095 | http->fd = myhttp.fd; |
2096 | http->error = myhttp.error; | |
2097 | http->activity = myhttp.activity; | |
2098 | http->status = myhttp.status; | |
2099 | http->version = myhttp.version; | |
2100 | http->keep_alive = myhttp.keep_alive; | |
2101 | http->used = myhttp.used; | |
2a0ef17a | 2102 | |
1c6682dd | 2103 | if (http->used) |
2104 | memcpy(http->buffer, myhttp.buffer, http->used); | |
2105 | ||
2106 | http->auth_type = myhttp.auth_type; | |
2107 | http->nonce_count = myhttp.nonce_count; | |
2108 | ||
2109 | memcpy(http->nonce, myhttp.nonce, sizeof(http->nonce)); | |
2a0ef17a | 2110 | |
1c6682dd | 2111 | http->tls = myhttp.tls; |
2112 | http->encryption = myhttp.encryption; | |
2113 | ||
2114 | /* | |
2115 | * See if we actually went secure... | |
2116 | */ | |
2117 | ||
2118 | if (!http->tls) | |
2a0ef17a | 2119 | { |
1c6682dd | 2120 | /* |
2121 | * Server does not support HTTP upgrade... | |
2122 | */ | |
2a0ef17a | 2123 | |
1c6682dd | 2124 | DEBUG_puts("Server does not support HTTP upgrade!"); |
2a0ef17a | 2125 | |
6fe7f729 | 2126 | # ifdef WIN32 |
2a0ef17a | 2127 | closesocket(http->fd); |
6fe7f729 | 2128 | # else |
2a0ef17a | 2129 | close(http->fd); |
6fe7f729 | 2130 | # endif |
2a0ef17a | 2131 | |
1c6682dd | 2132 | http->fd = -1; |
2133 | ||
2a0ef17a | 2134 | return (-1); |
2135 | } | |
1c6682dd | 2136 | else |
2137 | return (ret); | |
2a0ef17a | 2138 | } |
2a0ef17a | 2139 | |
2140 | ||
3840d6ba | 2141 | /* |
2dac9564 | 2142 | * 'http_setup_ssl()' - Set up SSL/TLS support on a connection. |
2143 | */ | |
2144 | ||
2145 | static int /* O - Status of connection */ | |
2146 | http_setup_ssl(http_t *http) /* I - HTTP data */ | |
2147 | { | |
6fe7f729 | 2148 | # ifdef HAVE_LIBSSL |
2dac9564 | 2149 | SSL_CTX *context; /* Context for encryption */ |
2150 | SSL *conn; /* Connection for encryption */ | |
6fe7f729 | 2151 | # elif defined(HAVE_GNUTLS) |
2dac9564 | 2152 | http_tls_t *conn; /* TLS session object */ |
6fe7f729 | 2153 | gnutls_certificate_client_credentials *credentials; |
2154 | /* TLS credentials */ | |
2155 | # elif defined(HAVE_CDSASSL) | |
2156 | SSLContextRef conn; /* Context for encryption */ | |
2157 | OSStatus error; /* Error info */ | |
2158 | # endif /* HAVE_LIBSSL */ | |
2dac9564 | 2159 | |
2dac9564 | 2160 | |
6fe7f729 | 2161 | # ifdef HAVE_LIBSSL |
2dac9564 | 2162 | context = SSL_CTX_new(SSLv23_client_method()); |
2163 | conn = SSL_new(context); | |
2164 | ||
2165 | SSL_set_fd(conn, http->fd); | |
2166 | if (SSL_connect(conn) != 1) | |
2167 | { | |
2168 | SSL_CTX_free(context); | |
2169 | SSL_free(conn); | |
2170 | ||
6fe7f729 | 2171 | # ifdef WIN32 |
2dac9564 | 2172 | http->error = WSAGetLastError(); |
6fe7f729 | 2173 | # else |
2dac9564 | 2174 | http->error = errno; |
6fe7f729 | 2175 | # endif /* WIN32 */ |
2dac9564 | 2176 | http->status = HTTP_ERROR; |
2177 | ||
2178 | return (HTTP_ERROR); | |
2179 | } | |
2180 | ||
6fe7f729 | 2181 | # elif defined(HAVE_GNUTLS) |
2dac9564 | 2182 | conn = (http_tls_t *)malloc(sizeof(http_tls_t)); |
6fe7f729 | 2183 | |
2dac9564 | 2184 | if (conn == NULL) |
2185 | { | |
2186 | http->error = errno; | |
2187 | http->status = HTTP_ERROR; | |
2188 | ||
2189 | return (-1); | |
2190 | } | |
6fe7f729 | 2191 | |
2dac9564 | 2192 | credentials = (gnutls_certificate_client_credentials *) |
6fe7f729 | 2193 | malloc(sizeof(gnutls_certificate_client_credentials)); |
2dac9564 | 2194 | if (credentials == NULL) |
2195 | { | |
2196 | free(conn); | |
2197 | ||
2198 | http->error = errno; | |
2199 | http->status = HTTP_ERROR; | |
2200 | ||
2201 | return (-1); | |
2202 | } | |
2203 | ||
2204 | gnutls_certificate_allocate_credentials(credentials); | |
2205 | ||
2206 | gnutls_init(&(conn->session), GNUTLS_CLIENT); | |
2207 | gnutls_set_default_priority(conn->session); | |
2208 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
2209 | gnutls_transport_set_ptr(conn->session, http->fd); | |
2210 | ||
2211 | if ((gnutls_handshake(conn->session)) != GNUTLS_E_SUCCESS) | |
2212 | { | |
2213 | http->error = errno; | |
2214 | http->status = HTTP_ERROR; | |
2215 | ||
2216 | return (-1); | |
2217 | } | |
2218 | ||
2219 | conn->credentials = credentials; | |
2220 | ||
6fe7f729 | 2221 | # elif defined(HAVE_CDSASSL) |
2222 | error = SSLNewContext(false, &conn); | |
2223 | ||
2224 | if (!error) | |
2225 | error = SSLSetIOFuncs(conn, CDSAReadFunc, CDSAWriteFunc); | |
2226 | ||
2227 | if (!error) | |
2228 | error = SSLSetConnection(conn, (SSLConnectionRef)http->fd); | |
2229 | ||
2230 | if (!error) | |
2231 | error = SSLSetAllowsExpiredCerts(conn, true); | |
2232 | ||
2233 | if (!error) | |
2234 | error = SSLSetAllowsAnyRoot(conn, true); | |
2235 | ||
2236 | if (!error) | |
2237 | error = SSLHandshake(conn); | |
2238 | ||
2239 | if (error != 0) | |
2240 | { | |
2241 | http->error = error; | |
2242 | http->status = HTTP_ERROR; | |
2243 | ||
2244 | SSLDisposeContext(conn); | |
2245 | ||
2246 | close(http->fd); | |
2247 | ||
2248 | return (-1); | |
2249 | } | |
2250 | # endif /* HAVE_CDSASSL */ | |
2dac9564 | 2251 | |
2252 | http->tls = conn; | |
2253 | return (0); | |
2254 | } | |
2255 | ||
2256 | ||
2257 | /* | |
2258 | * 'http_shutdown_ssl()' - Shut down SSL/TLS on a connection. | |
2259 | */ | |
2260 | ||
2261 | static void | |
2262 | http_shutdown_ssl(http_t *http) /* I - HTTP data */ | |
2263 | { | |
6fe7f729 | 2264 | # ifdef HAVE_LIBSSL |
2dac9564 | 2265 | SSL_CTX *context; /* Context for encryption */ |
2266 | SSL *conn; /* Connection for encryption */ | |
2267 | ||
6fe7f729 | 2268 | |
2dac9564 | 2269 | conn = (SSL *)(http->tls); |
2270 | context = SSL_get_SSL_CTX(conn); | |
2271 | ||
2272 | SSL_shutdown(conn); | |
2273 | SSL_CTX_free(context); | |
2274 | SSL_free(conn); | |
6fe7f729 | 2275 | |
2276 | # elif defined(HAVE_GNUTLS) | |
2277 | http_tls_t *conn; /* Encryption session */ | |
2278 | gnutls_certificate_client_credentials *credentials; | |
2279 | /* TLS credentials */ | |
2280 | ||
2dac9564 | 2281 | |
2282 | conn = (http_tls_t *)(http->tls); | |
2283 | credentials = (gnutls_certificate_client_credentials *)(conn->credentials); | |
2284 | ||
2285 | gnutls_bye(conn->session, GNUTLS_SHUT_RDWR); | |
2286 | gnutls_deinit(conn->session); | |
2287 | gnutls_certificate_free_credentials(*credentials); | |
2288 | free(credentials); | |
2289 | free(conn); | |
6fe7f729 | 2290 | |
2291 | # elif defined(HAVE_CDSASSL) | |
2292 | SSLClose((SSLContextRef)http->tls); | |
2293 | SSLDisposeContext((SSLContextRef)http->tls); | |
2294 | # endif /* HAVE_LIBSSL */ | |
2dac9564 | 2295 | |
2296 | http->tls = NULL; | |
2297 | } | |
2298 | ||
2299 | ||
2300 | /* | |
2301 | * 'http_read_ssl()' - Read from a SSL/TLS connection. | |
2302 | */ | |
2303 | ||
2304 | static int /* O - Bytes read */ | |
2305 | http_read_ssl(http_t *http, /* I - HTTP data */ | |
2306 | char *buf, /* I - Buffer to store data */ | |
2307 | int len) /* I - Length of buffer */ | |
2308 | { | |
6fe7f729 | 2309 | # if defined(HAVE_LIBSSL) |
2dac9564 | 2310 | return (SSL_read((SSL *)(http->tls), buf, len)); |
6fe7f729 | 2311 | |
2312 | # elif defined(HAVE_GNUTLS) | |
2dac9564 | 2313 | return (gnutls_record_recv(((http_tls_t *)(http->tls))->session, buf, len)); |
6fe7f729 | 2314 | |
2315 | # elif defined(HAVE_CDSASSL) | |
2316 | OSStatus error; /* Error info */ | |
2317 | size_t processed; /* Number of bytes processed */ | |
2318 | ||
2319 | ||
2320 | error = SSLRead((SSLContextRef)http->tls, buf, len, &processed); | |
2321 | ||
2322 | if (error == 0) | |
2323 | return (processed); | |
2324 | else | |
2325 | { | |
2326 | http->error = error; | |
2327 | ||
2328 | return (-1); | |
2329 | } | |
2330 | # endif /* HAVE_LIBSSL */ | |
2dac9564 | 2331 | } |
2332 | ||
2333 | ||
2334 | /* | |
2335 | * 'http_write_ssl()' - Write to a SSL/TLS connection. | |
2336 | */ | |
2337 | ||
2338 | static int /* O - Bytes written */ | |
2339 | http_write_ssl(http_t *http, /* I - HTTP data */ | |
2340 | const char *buf, /* I - Buffer holding data */ | |
2341 | int len) /* I - Length of buffer */ | |
2342 | { | |
6fe7f729 | 2343 | # if defined(HAVE_LIBSSL) |
2dac9564 | 2344 | return (SSL_write((SSL *)(http->tls), buf, len)); |
6fe7f729 | 2345 | |
2346 | # elif defined(HAVE_GNUTLS) | |
2dac9564 | 2347 | return (gnutls_record_send(((http_tls_t *)(http->tls))->session, buf, len)); |
6fe7f729 | 2348 | # elif defined(HAVE_CDSASSL) |
2349 | OSStatus error; /* Error info */ | |
2350 | size_t processed; /* Number of bytes processed */ | |
2351 | ||
2352 | ||
2353 | error = SSLWrite((SSLContextRef)http->tls, buf, len, &processed); | |
2354 | ||
2355 | if (error == 0) | |
2356 | return (processed); | |
2357 | else | |
2358 | { | |
2359 | http->error = error; | |
2360 | return (-1); | |
2361 | } | |
2362 | # endif /* HAVE_LIBSSL */ | |
2dac9564 | 2363 | } |
2364 | ||
6fe7f729 | 2365 | |
2366 | # if defined(HAVE_CDSASSL) | |
2367 | /* | |
2368 | * 'CDSAReadFunc()' - Read function for CDSA decryption code. | |
2369 | */ | |
2370 | ||
2371 | static OSStatus /* O - -1 on error, 0 on success */ | |
2372 | CDSAReadFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
2373 | void *data, /* I - Data buffer */ | |
2374 | size_t *dataLength) /* IO - Number of bytes */ | |
2375 | { | |
2376 | ssize_t bytes; /* Number of bytes read */ | |
2377 | ||
2378 | ||
2379 | bytes = recv((int)connection, data, *dataLength, 0); | |
2380 | if (bytes >= 0) | |
2381 | { | |
2382 | *dataLength = bytes; | |
2383 | return (0); | |
2384 | } | |
2385 | else | |
2386 | return (-1); | |
2387 | } | |
2388 | ||
2389 | ||
2390 | /* | |
2391 | * 'CDSAWriteFunc()' - Write function for CDSA encryption code. | |
2392 | */ | |
2393 | ||
2394 | static OSStatus /* O - -1 on error, 0 on success */ | |
2395 | CDSAWriteFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
2396 | const void *data, /* I - Data buffer */ | |
2397 | size_t *dataLength) /* IO - Number of bytes */ | |
2398 | { | |
2399 | ssize_t bytes; | |
2400 | ||
2401 | ||
2402 | bytes = write((int)connection, data, *dataLength); | |
2403 | if (bytes >= 0) | |
2404 | { | |
2405 | *dataLength = bytes; | |
2406 | return (0); | |
2407 | } | |
2408 | else | |
2409 | return (-1); | |
2410 | } | |
2411 | # endif /* HAVE_CDSASSL */ | |
2dac9564 | 2412 | #endif /* HAVE_SSL */ |
2413 | ||
6fe7f729 | 2414 | |
2dac9564 | 2415 | /* |
9f6d3559 | 2416 | * End of "$Id: http.c,v 1.124 2003/08/29 23:56:52 mike Exp $". |
3840d6ba | 2417 | */ |