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ef416fc2 | 1 | /* |
db1f069b | 2 | * "$Id: client.c 6799 2007-08-15 19:33:36Z mike $" |
ef416fc2 | 3 | * |
4 | * Client routines for the Common UNIX Printing System (CUPS) scheduler. | |
5 | * | |
bc44d920 | 6 | * Copyright 2007 by Apple Inc. |
f7deaa1a | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
8 | * | |
9 | * This file contains Kerberos support code, copyright 2006 by | |
10 | * Jelmer Vernooij. | |
ef416fc2 | 11 | * |
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 | * Contents: | |
19 | * | |
20 | * cupsdAcceptClient() - Accept a new client. | |
21 | * cupsdCloseAllClients() - Close all remote clients immediately. | |
22 | * cupsdCloseClient() - Close a remote client. | |
d09495fa | 23 | * cupsdFlushHeader() - Flush the header fields to the client. |
ef416fc2 | 24 | * cupsdReadClient() - Read data from a client. |
25 | * cupsdSendCommand() - Send output from a command via HTTP. | |
26 | * cupsdSendError() - Send an error message via HTTP. | |
ef416fc2 | 27 | * cupsdSendHeader() - Send an HTTP request. |
28 | * cupsdUpdateCGI() - Read status messages from CGI scripts and programs. | |
29 | * cupsdWriteClient() - Write data to a client as needed. | |
30 | * check_if_modified() - Decode an "If-Modified-Since" line. | |
e1d6a774 | 31 | * encrypt_client() - Enable encryption for the client... |
b86bc4cf | 32 | * get_cdsa_certificate() - Convert a keychain name into the CFArrayRef |
ef416fc2 | 33 | * required by SSLSetCertificate. |
34 | * get_file() - Get a filename and state info. | |
35 | * install_conf_file() - Install a configuration file. | |
e1d6a774 | 36 | * is_cgi() - Is the resource a CGI script/program? |
ef416fc2 | 37 | * is_path_absolute() - Is a path absolute and free of relative elements. |
4744bd90 | 38 | * make_certificate() - Make a self-signed SSL/TLS certificate. |
ef416fc2 | 39 | * pipe_command() - Pipe the output of a command to the remote client. |
a74454a7 | 40 | * write_file() - Send a file via HTTP. |
f899b121 | 41 | * write_pipe() - Flag that data is available on the CGI pipe. |
ef416fc2 | 42 | */ |
43 | ||
44 | /* | |
45 | * Include necessary headers... | |
46 | */ | |
47 | ||
48 | #include <cups/http-private.h> | |
49 | #include "cupsd.h" | |
50 | ||
51 | #ifdef HAVE_CDSASSL | |
52 | # include <Security/Security.h> | |
b86bc4cf | 53 | # ifdef HAVE_SECIDENTITYSEARCHPRIV_H |
54 | # include <Security/SecIdentitySearchPriv.h> | |
55 | # else /* Declare prototype for function in that header... */ | |
56 | extern OSStatus SecIdentitySearchCreateWithPolicy(SecPolicyRef policy, | |
57 | CFStringRef idString, CSSM_KEYUSE keyUsage, | |
58 | CFTypeRef keychainOrArray, | |
59 | Boolean returnOnlyValidIdentities, | |
60 | SecIdentitySearchRef* searchRef); | |
61 | # endif /* HAVE_SECIDENTITYSEARCHPRIV_H */ | |
62 | # ifdef HAVE_SECPOLICYPRIV_H | |
63 | # include <Security/SecPolicyPriv.h> | |
64 | # else /* Declare prototype for function in that header... */ | |
65 | extern OSStatus SecPolicySetValue(SecPolicyRef policyRef, | |
66 | const CSSM_DATA *value); | |
67 | # endif /* HAVE_SECPOLICYPRIV_H */ | |
ed486911 | 68 | # ifdef HAVE_SECBASEPRIV_H |
69 | # include <Security/SecBasePriv.h> | |
b86bc4cf | 70 | # else /* Declare prototype for function in that header... */ |
71 | extern const char *cssmErrorString(int error); | |
ed486911 | 72 | # endif /* HAVE_SECBASEPRIV_H */ |
ef416fc2 | 73 | #endif /* HAVE_CDSASSL */ |
b86bc4cf | 74 | |
4744bd90 | 75 | #ifdef HAVE_GNUTLS |
76 | # include <gnutls/x509.h> | |
77 | #endif /* HAVE_GNUTLS */ | |
ef416fc2 | 78 | |
79 | ||
80 | /* | |
81 | * Local functions... | |
82 | */ | |
83 | ||
84 | static int check_if_modified(cupsd_client_t *con, | |
85 | struct stat *filestats); | |
80ca4592 | 86 | #ifdef HAVE_SSL |
e1d6a774 | 87 | static int encrypt_client(cupsd_client_t *con); |
80ca4592 | 88 | #endif /* HAVE_SSL */ |
ef416fc2 | 89 | #ifdef HAVE_CDSASSL |
b86bc4cf | 90 | static CFArrayRef get_cdsa_certificate(cupsd_client_t *con); |
ef416fc2 | 91 | #endif /* HAVE_CDSASSL */ |
f7deaa1a | 92 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 93 | char *filename, int len); |
94 | static http_status_t install_conf_file(cupsd_client_t *con); | |
e1d6a774 | 95 | static int is_cgi(cupsd_client_t *con, const char *filename, |
96 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 97 | static int is_path_absolute(const char *path); |
8ca02f3c | 98 | #ifdef HAVE_SSL |
b86bc4cf | 99 | static int make_certificate(cupsd_client_t *con); |
8ca02f3c | 100 | #endif /* HAVE_SSL */ |
ef416fc2 | 101 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, |
102 | char *command, char *options, int root); | |
a74454a7 | 103 | static int write_file(cupsd_client_t *con, http_status_t code, |
104 | char *filename, char *type, | |
105 | struct stat *filestats); | |
f899b121 | 106 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 107 | |
108 | ||
109 | /* | |
110 | * 'cupsdAcceptClient()' - Accept a new client. | |
111 | */ | |
112 | ||
113 | void | |
114 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
115 | { | |
ef416fc2 | 116 | int count; /* Count of connections on a host */ |
117 | int val; /* Parameter value */ | |
bd7854cb | 118 | cupsd_client_t *con, /* New client pointer */ |
119 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 120 | http_addrlist_t *addrlist, /* List of adddresses for host */ |
121 | *addr; /* Current address */ | |
122 | socklen_t addrlen; /* Length of address */ | |
123 | char *hostname; /* Hostname for address */ | |
124 | http_addr_t temp; /* Temporary address variable */ | |
125 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
126 | ||
127 | ||
128 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
bd7854cb | 129 | "cupsdAcceptClient(lis=%p) %d Clients = %d", |
130 | lis, lis->fd, cupsArrayCount(Clients)); | |
ef416fc2 | 131 | |
132 | /* | |
133 | * Make sure we don't have a full set of clients already... | |
134 | */ | |
135 | ||
bd7854cb | 136 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 137 | return; |
138 | ||
139 | /* | |
140 | * Get a pointer to the next available client... | |
141 | */ | |
142 | ||
bd7854cb | 143 | if (!Clients) |
144 | Clients = cupsArrayNew(NULL, NULL); | |
145 | ||
146 | if (!Clients) | |
147 | return; | |
148 | ||
149 | con = calloc(1, sizeof(cupsd_client_t)); | |
ef416fc2 | 150 | |
ef416fc2 | 151 | con->http.activity = time(NULL); |
152 | con->file = -1; | |
153 | con->http.hostaddr = &(con->clientaddr); | |
154 | ||
155 | /* | |
156 | * Accept the client and get the remote address... | |
157 | */ | |
158 | ||
159 | addrlen = sizeof(http_addr_t); | |
160 | ||
161 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)con->http.hostaddr, | |
162 | &addrlen)) < 0) | |
163 | { | |
76cd9e37 MS |
164 | if (errno == ENFILE || errno == EMFILE) |
165 | cupsdPauseListening(); | |
166 | ||
ef416fc2 | 167 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
168 | strerror(errno)); | |
bd7854cb | 169 | free(con); |
76cd9e37 | 170 | |
ef416fc2 | 171 | return; |
172 | } | |
173 | ||
174 | #ifdef AF_INET6 | |
175 | if (lis->address.addr.sa_family == AF_INET6) | |
176 | { | |
177 | /* | |
178 | * Save the connected port number... | |
179 | */ | |
180 | ||
181 | con->http.hostaddr->ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
182 | ||
183 | /* | |
184 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
185 | * can more easily use... | |
186 | */ | |
187 | ||
188 | if (con->http.hostaddr->ipv6.sin6_addr.s6_addr32[0] == 0 && | |
189 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
190 | ntohl(con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
191 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2] = 0; | |
192 | } | |
193 | else | |
194 | #endif /* AF_INET6 */ | |
195 | if (lis->address.addr.sa_family == AF_INET) | |
196 | con->http.hostaddr->ipv4.sin_port = lis->address.ipv4.sin_port; | |
197 | ||
198 | /* | |
199 | * Check the number of clients on the same address... | |
200 | */ | |
201 | ||
bd7854cb | 202 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
203 | tempcon; | |
204 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
205 | if (httpAddrEqual(tempcon->http.hostaddr, con->http.hostaddr)) | |
ef416fc2 | 206 | { |
207 | count ++; | |
208 | if (count >= MaxClientsPerHost) | |
209 | break; | |
210 | } | |
211 | ||
212 | if (count >= MaxClientsPerHost) | |
213 | { | |
214 | if ((time(NULL) - last_dos) >= 60) | |
215 | { | |
216 | last_dos = time(NULL); | |
217 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 218 | "Possible DoS attack - more than %d clients connecting " |
219 | "from %s!", | |
220 | MaxClientsPerHost, tempcon->http.hostname); | |
ef416fc2 | 221 | } |
222 | ||
223 | #ifdef WIN32 | |
224 | closesocket(con->http.fd); | |
225 | #else | |
226 | close(con->http.fd); | |
227 | #endif /* WIN32 */ | |
228 | ||
bd7854cb | 229 | free(con); |
ef416fc2 | 230 | return; |
231 | } | |
232 | ||
233 | /* | |
234 | * Get the hostname or format the IP address as needed... | |
235 | */ | |
236 | ||
237 | if (httpAddrLocalhost(con->http.hostaddr)) | |
238 | { | |
239 | /* | |
240 | * Map accesses from the loopback interface to "localhost"... | |
241 | */ | |
242 | ||
243 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
244 | hostname = con->http.hostname; | |
245 | } | |
246 | else | |
247 | { | |
248 | /* | |
249 | * Map accesses from the same host to the server name. | |
250 | */ | |
251 | ||
252 | for (addr = ServerAddrs; addr; addr = addr->next) | |
253 | if (httpAddrEqual(con->http.hostaddr, &(addr->addr))) | |
254 | break; | |
255 | ||
256 | if (addr) | |
257 | { | |
258 | strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname)); | |
259 | hostname = con->http.hostname; | |
260 | } | |
261 | else if (HostNameLookups) | |
262 | hostname = httpAddrLookup(con->http.hostaddr, con->http.hostname, | |
263 | sizeof(con->http.hostname)); | |
264 | else | |
265 | { | |
266 | hostname = NULL; | |
267 | httpAddrString(con->http.hostaddr, con->http.hostname, | |
268 | sizeof(con->http.hostname)); | |
269 | } | |
270 | } | |
271 | ||
272 | if (hostname == NULL && HostNameLookups == 2) | |
273 | { | |
274 | /* | |
275 | * Can't have an unresolved IP address with double-lookups enabled... | |
276 | */ | |
277 | ||
278 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
279 | "cupsdAcceptClient: Closing connection %d...", | |
280 | con->http.fd); | |
281 | ||
282 | #ifdef WIN32 | |
283 | closesocket(con->http.fd); | |
284 | #else | |
285 | close(con->http.fd); | |
286 | #endif /* WIN32 */ | |
287 | ||
288 | cupsdLogMessage(CUPSD_LOG_WARN, | |
289 | "Name lookup failed - connection from %s closed!", | |
290 | con->http.hostname); | |
bd7854cb | 291 | |
292 | free(con); | |
ef416fc2 | 293 | return; |
294 | } | |
295 | ||
296 | if (HostNameLookups == 2) | |
297 | { | |
298 | /* | |
299 | * Do double lookups as needed... | |
300 | */ | |
301 | ||
302 | if ((addrlist = httpAddrGetList(con->http.hostname, AF_UNSPEC, NULL)) != NULL) | |
303 | { | |
304 | /* | |
305 | * See if the hostname maps to the same IP address... | |
306 | */ | |
307 | ||
308 | for (addr = addrlist; addr; addr = addr->next) | |
309 | if (httpAddrEqual(con->http.hostaddr, &(addr->addr))) | |
310 | break; | |
311 | } | |
312 | else | |
313 | addr = NULL; | |
314 | ||
315 | httpAddrFreeList(addrlist); | |
316 | ||
317 | if (!addr) | |
318 | { | |
319 | /* | |
320 | * Can't have a hostname that doesn't resolve to the same IP address | |
321 | * with double-lookups enabled... | |
322 | */ | |
323 | ||
324 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
325 | "cupsdAcceptClient: Closing connection %d...", | |
326 | con->http.fd); | |
327 | ||
328 | #ifdef WIN32 | |
329 | closesocket(con->http.fd); | |
330 | #else | |
331 | close(con->http.fd); | |
332 | #endif /* WIN32 */ | |
333 | ||
334 | cupsdLogMessage(CUPSD_LOG_WARN, | |
335 | "IP lookup failed - connection from %s closed!", | |
336 | con->http.hostname); | |
bd7854cb | 337 | free(con); |
ef416fc2 | 338 | return; |
339 | } | |
340 | } | |
341 | ||
342 | #ifdef AF_INET6 | |
343 | if (con->http.hostaddr->addr.sa_family == AF_INET6) | |
344 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv6)", | |
345 | con->http.fd, con->http.hostname, | |
346 | ntohs(con->http.hostaddr->ipv6.sin6_port)); | |
347 | else | |
348 | #endif /* AF_INET6 */ | |
349 | #ifdef AF_LOCAL | |
350 | if (con->http.hostaddr->addr.sa_family == AF_LOCAL) | |
351 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s (Domain)", | |
352 | con->http.fd, con->http.hostname); | |
353 | else | |
354 | #endif /* AF_LOCAL */ | |
355 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv4)", | |
356 | con->http.fd, con->http.hostname, | |
357 | ntohs(con->http.hostaddr->ipv4.sin_port)); | |
358 | ||
359 | /* | |
360 | * Get the local address the client connected to... | |
361 | */ | |
362 | ||
363 | addrlen = sizeof(temp); | |
364 | if (getsockname(con->http.fd, (struct sockaddr *)&temp, &addrlen)) | |
365 | { | |
366 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get local address - %s", | |
367 | strerror(errno)); | |
368 | ||
369 | strcpy(con->servername, "localhost"); | |
370 | con->serverport = LocalPort; | |
371 | } | |
372 | else | |
373 | { | |
374 | #ifdef AF_INET6 | |
375 | if (temp.addr.sa_family == AF_INET6) | |
376 | { | |
377 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
378 | con->serverport = ntohs(lis->address.ipv6.sin6_port); | |
379 | } | |
380 | else | |
381 | #endif /* AF_INET6 */ | |
382 | if (temp.addr.sa_family == AF_INET) | |
383 | { | |
384 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
385 | con->serverport = ntohs(lis->address.ipv4.sin_port); | |
386 | } | |
387 | else | |
388 | { | |
389 | strcpy(con->servername, "localhost"); | |
390 | con->serverport = LocalPort; | |
391 | } | |
392 | } | |
393 | ||
bd7854cb | 394 | cupsArrayAdd(Clients, con); |
395 | ||
ef416fc2 | 396 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
397 | "cupsdAcceptClient: %d connected to server on %s:%d", | |
398 | con->http.fd, con->servername, con->serverport); | |
399 | ||
400 | /* | |
401 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
402 | * with a slow loopback interface... Since we write large buffers | |
403 | * when sending print files and requests, there shouldn't be any | |
404 | * performance penalty for this... | |
405 | */ | |
406 | ||
407 | val = 1; | |
f7deaa1a | 408 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); |
ef416fc2 | 409 | |
410 | /* | |
411 | * Close this file on all execs... | |
412 | */ | |
413 | ||
414 | fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC); | |
415 | ||
416 | /* | |
417 | * Add the socket to the select() input mask. | |
418 | */ | |
419 | ||
f7deaa1a | 420 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 421 | |
ef416fc2 | 422 | /* |
423 | * Temporarily suspend accept()'s until we lose a client... | |
424 | */ | |
425 | ||
bd7854cb | 426 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 427 | cupsdPauseListening(); |
428 | ||
429 | #ifdef HAVE_SSL | |
430 | /* | |
431 | * See if we are connecting on a secure port... | |
432 | */ | |
433 | ||
434 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) | |
435 | { | |
436 | /* | |
437 | * https connection; go secure... | |
438 | */ | |
439 | ||
440 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; | |
441 | ||
411affcf | 442 | if (!encrypt_client(con)) |
443 | cupsdCloseClient(con); | |
ef416fc2 | 444 | } |
445 | else | |
446 | con->auto_ssl = 1; | |
447 | #endif /* HAVE_SSL */ | |
448 | } | |
449 | ||
450 | ||
451 | /* | |
452 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
453 | */ | |
454 | ||
455 | void | |
456 | cupsdCloseAllClients(void) | |
457 | { | |
bd7854cb | 458 | cupsd_client_t *con; /* Current client */ |
459 | ||
460 | ||
461 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); | |
462 | con; | |
463 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
464 | cupsdCloseClient(con); | |
ef416fc2 | 465 | } |
466 | ||
467 | ||
468 | /* | |
469 | * 'cupsdCloseClient()' - Close a remote client. | |
470 | */ | |
471 | ||
472 | int /* O - 1 if partial close, 0 if fully closed */ | |
473 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
474 | { | |
475 | int partial; /* Do partial close for SSL? */ | |
476 | #ifdef HAVE_LIBSSL | |
477 | SSL_CTX *context; /* Context for encryption */ | |
478 | SSL *conn; /* Connection for encryption */ | |
479 | unsigned long error; /* Error code */ | |
480 | #elif defined(HAVE_GNUTLS) | |
89d46774 | 481 | http_tls_t *conn; /* TLS connection information */ |
482 | int error; /* Error code */ | |
ef416fc2 | 483 | gnutls_certificate_server_credentials *credentials; |
484 | /* TLS credentials */ | |
89d46774 | 485 | # elif defined(HAVE_CDSASSL) |
486 | http_tls_t *conn; /* CDSA connection information */ | |
ef416fc2 | 487 | #endif /* HAVE_LIBSSL */ |
488 | ||
489 | ||
490 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdCloseClient: %d", con->http.fd); | |
491 | ||
492 | /* | |
493 | * Flush pending writes before closing... | |
494 | */ | |
495 | ||
496 | httpFlushWrite(HTTP(con)); | |
497 | ||
498 | partial = 0; | |
499 | ||
500 | #ifdef HAVE_SSL | |
501 | /* | |
502 | * Shutdown encryption as needed... | |
503 | */ | |
504 | ||
505 | if (con->http.tls) | |
506 | { | |
507 | partial = 1; | |
508 | ||
509 | # ifdef HAVE_LIBSSL | |
510 | conn = (SSL *)(con->http.tls); | |
511 | context = SSL_get_SSL_CTX(conn); | |
512 | ||
513 | switch (SSL_shutdown(conn)) | |
514 | { | |
515 | case 1 : | |
516 | cupsdLogMessage(CUPSD_LOG_INFO, | |
517 | "cupsdCloseClient: SSL shutdown successful!"); | |
518 | break; | |
519 | case -1 : | |
520 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
521 | "cupsdCloseClient: Fatal error during SSL shutdown!"); | |
522 | default : | |
523 | while ((error = ERR_get_error()) != 0) | |
524 | cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdCloseClient: %s", | |
525 | ERR_error_string(error, NULL)); | |
526 | break; | |
527 | } | |
528 | ||
529 | SSL_CTX_free(context); | |
530 | SSL_free(conn); | |
531 | ||
532 | # elif defined(HAVE_GNUTLS) | |
533 | conn = (http_tls_t *)(con->http.tls); | |
534 | credentials = (gnutls_certificate_server_credentials *)(conn->credentials); | |
535 | ||
536 | error = gnutls_bye(conn->session, GNUTLS_SHUT_WR); | |
537 | switch (error) | |
538 | { | |
539 | case GNUTLS_E_SUCCESS: | |
540 | cupsdLogMessage(CUPSD_LOG_INFO, | |
541 | "cupsdCloseClient: SSL shutdown successful!"); | |
542 | break; | |
543 | default: | |
544 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
545 | "cupsdCloseClient: %s", gnutls_strerror(error)); | |
546 | break; | |
547 | } | |
548 | ||
549 | gnutls_deinit(conn->session); | |
550 | gnutls_certificate_free_credentials(*credentials); | |
551 | free(credentials); | |
552 | free(conn); | |
553 | ||
554 | # elif defined(HAVE_CDSASSL) | |
89d46774 | 555 | conn = (http_tls_t *)(con->http.tls); |
556 | ||
557 | while (SSLClose(conn->session) == errSSLWouldBlock) | |
b423cd4c | 558 | usleep(1000); |
559 | ||
89d46774 | 560 | SSLDisposeContext(conn->session); |
561 | ||
562 | if (conn->certsArray) | |
563 | CFRelease(conn->certsArray); | |
564 | ||
565 | free(conn); | |
ef416fc2 | 566 | # endif /* HAVE_LIBSSL */ |
567 | ||
568 | con->http.tls = NULL; | |
569 | } | |
570 | #endif /* HAVE_SSL */ | |
571 | ||
572 | if (con->pipe_pid != 0) | |
573 | { | |
574 | /* | |
575 | * Stop any CGI process... | |
576 | */ | |
577 | ||
578 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
579 | "cupsdCloseClient: %d Killing process ID %d...", | |
580 | con->http.fd, con->pipe_pid); | |
581 | cupsdEndProcess(con->pipe_pid, 1); | |
582 | con->pipe_pid = 0; | |
583 | } | |
584 | ||
585 | if (con->file >= 0) | |
586 | { | |
f7deaa1a | 587 | cupsdRemoveSelect(con->file); |
ef416fc2 | 588 | |
589 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
590 | "cupsdCloseClient: %d Closing data file %d.", | |
591 | con->http.fd, con->file); | |
592 | ||
593 | close(con->file); | |
594 | con->file = -1; | |
595 | } | |
596 | ||
597 | /* | |
598 | * Close the socket and clear the file from the input set for select()... | |
599 | */ | |
600 | ||
601 | if (con->http.fd > 0) | |
602 | { | |
603 | if (partial) | |
604 | { | |
605 | /* | |
606 | * Only do a partial close so that the encrypted client gets everything. | |
607 | */ | |
608 | ||
ef416fc2 | 609 | shutdown(con->http.fd, 0); |
f7deaa1a | 610 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 611 | } |
612 | else | |
613 | { | |
614 | /* | |
615 | * Shut the socket down fully... | |
616 | */ | |
617 | ||
f7deaa1a | 618 | cupsdRemoveSelect(con->http.fd); |
ef416fc2 | 619 | close(con->http.fd); |
ef416fc2 | 620 | con->http.fd = -1; |
621 | } | |
622 | } | |
623 | ||
624 | if (!partial) | |
625 | { | |
626 | /* | |
627 | * Free memory... | |
628 | */ | |
629 | ||
630 | if (con->http.input_set) | |
631 | free(con->http.input_set); | |
632 | ||
633 | httpClearCookie(HTTP(con)); | |
634 | ||
635 | cupsdClearString(&con->filename); | |
636 | cupsdClearString(&con->command); | |
637 | cupsdClearString(&con->options); | |
b86bc4cf | 638 | cupsdClearString(&con->query_string); |
ef416fc2 | 639 | |
640 | if (con->request) | |
641 | { | |
642 | ippDelete(con->request); | |
643 | con->request = NULL; | |
644 | } | |
645 | ||
646 | if (con->response) | |
647 | { | |
648 | ippDelete(con->response); | |
649 | con->response = NULL; | |
650 | } | |
651 | ||
652 | if (con->language) | |
653 | { | |
654 | cupsLangFree(con->language); | |
655 | con->language = NULL; | |
656 | } | |
657 | ||
f7deaa1a | 658 | #ifdef HAVE_AUTHORIZATION_H |
659 | if (con->authref) | |
660 | { | |
661 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
662 | con->authref = NULL; | |
663 | } | |
664 | #endif /* HAVE_AUTHORIZATION_H */ | |
665 | ||
ef416fc2 | 666 | /* |
667 | * Re-enable new client connections if we are going back under the | |
668 | * limit... | |
669 | */ | |
670 | ||
bd7854cb | 671 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 672 | cupsdResumeListening(); |
673 | ||
674 | /* | |
675 | * Compact the list of clients as necessary... | |
676 | */ | |
677 | ||
bd7854cb | 678 | cupsArrayRemove(Clients, con); |
ef416fc2 | 679 | |
bd7854cb | 680 | free(con); |
ef416fc2 | 681 | } |
682 | ||
683 | return (partial); | |
684 | } | |
685 | ||
686 | ||
d09495fa | 687 | /* |
688 | * 'cupsdFlushHeader()' - Flush the header fields to the client. | |
689 | */ | |
690 | ||
07725fee | 691 | int /* I - Bytes written or -1 on error */ |
d09495fa | 692 | cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */ |
693 | { | |
07725fee | 694 | int bytes = httpFlushWrite(HTTP(con)); |
d09495fa | 695 | |
696 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
07725fee | 697 | |
698 | return (bytes); | |
d09495fa | 699 | } |
700 | ||
701 | ||
ef416fc2 | 702 | /* |
703 | * 'cupsdReadClient()' - Read data from a client. | |
704 | */ | |
705 | ||
f7deaa1a | 706 | void |
ef416fc2 | 707 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
708 | { | |
709 | char line[32768], /* Line from client... */ | |
710 | operation[64], /* Operation code from socket */ | |
711 | version[64], /* HTTP version number string */ | |
712 | locale[64], /* Locale */ | |
713 | *ptr; /* Pointer into strings */ | |
714 | int major, minor; /* HTTP version numbers */ | |
715 | http_status_t status; /* Transfer status */ | |
716 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
717 | int bytes; /* Number of bytes to POST */ | |
718 | char *filename; /* Name of file for GET/HEAD */ | |
719 | char buf[1024]; /* Buffer for real filename */ | |
720 | struct stat filestats; /* File information */ | |
721 | mime_type_t *type; /* MIME type of file */ | |
722 | cupsd_printer_t *p; /* Printer */ | |
723 | static unsigned request_id = 0; /* Request ID for temp files */ | |
724 | ||
725 | ||
726 | status = HTTP_CONTINUE; | |
727 | ||
728 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
729 | "cupsdReadClient: %d, used=%d, file=%d state=%d", | |
730 | con->http.fd, con->http.used, con->file, con->http.state); | |
731 | ||
732 | if (con->http.error) | |
733 | { | |
734 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: http error seen..."); | |
f7deaa1a | 735 | cupsdCloseClient(con); |
736 | return; | |
ef416fc2 | 737 | } |
738 | ||
739 | #ifdef HAVE_SSL | |
740 | if (con->auto_ssl) | |
741 | { | |
742 | /* | |
743 | * Automatically check for a SSL/TLS handshake... | |
744 | */ | |
745 | ||
746 | con->auto_ssl = 0; | |
747 | ||
748 | if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 && | |
749 | (!buf[0] || !strchr("DGHOPT", buf[0]))) | |
750 | { | |
751 | /* | |
752 | * Encrypt this connection... | |
753 | */ | |
754 | ||
755 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
756 | "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...", | |
757 | buf[0] & 255); | |
758 | ||
411affcf | 759 | if (!encrypt_client(con)) |
f7deaa1a | 760 | cupsdCloseClient(con); |
411affcf | 761 | |
f7deaa1a | 762 | return; |
ef416fc2 | 763 | } |
764 | } | |
765 | #endif /* HAVE_SSL */ | |
766 | ||
767 | switch (con->http.state) | |
768 | { | |
769 | case HTTP_WAITING : | |
770 | /* | |
771 | * See if we've received a request line... | |
772 | */ | |
773 | ||
774 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
775 | { | |
776 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
777 | "cupsdReadClient: httpGets returned EOF..."); | |
f7deaa1a | 778 | cupsdCloseClient(con); |
779 | return; | |
ef416fc2 | 780 | } |
781 | ||
782 | /* | |
783 | * Ignore blank request lines... | |
784 | */ | |
785 | ||
786 | if (line[0] == '\0') | |
787 | break; | |
788 | ||
789 | /* | |
790 | * Clear other state variables... | |
791 | */ | |
792 | ||
793 | httpClearFields(HTTP(con)); | |
794 | ||
795 | con->http.activity = time(NULL); | |
796 | con->http.version = HTTP_1_0; | |
797 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
798 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
799 | con->http.data_remaining = 0; | |
800 | con->http._data_remaining = 0; | |
801 | con->operation = HTTP_WAITING; | |
802 | con->bytes = 0; | |
803 | con->file = -1; | |
804 | con->file_ready = 0; | |
805 | con->pipe_pid = 0; | |
806 | con->username[0] = '\0'; | |
807 | con->password[0] = '\0'; | |
808 | con->uri[0] = '\0'; | |
809 | ||
810 | cupsdClearString(&con->command); | |
811 | cupsdClearString(&con->options); | |
b86bc4cf | 812 | cupsdClearString(&con->query_string); |
ef416fc2 | 813 | |
2abf387c | 814 | if (con->request) |
815 | { | |
816 | ippDelete(con->request); | |
817 | con->request = NULL; | |
818 | } | |
819 | ||
820 | if (con->response) | |
821 | { | |
822 | ippDelete(con->response); | |
823 | con->response = NULL; | |
824 | } | |
825 | ||
826 | if (con->language) | |
ef416fc2 | 827 | { |
828 | cupsLangFree(con->language); | |
829 | con->language = NULL; | |
830 | } | |
831 | ||
09a101d6 | 832 | #ifdef HAVE_GSSAPI |
833 | con->gss_have_creds = 0; | |
834 | #endif /* HAVE_GSSAPI */ | |
835 | ||
ef416fc2 | 836 | /* |
837 | * Grab the request line... | |
838 | */ | |
839 | ||
840 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) | |
841 | { | |
842 | case 1 : | |
843 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
844 | "Bad request line \"%s\" from %s!", line, | |
845 | con->http.hostname); | |
f899b121 | 846 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 847 | cupsdCloseClient(con); |
848 | return; | |
ef416fc2 | 849 | case 2 : |
850 | con->http.version = HTTP_0_9; | |
851 | break; | |
852 | case 3 : | |
853 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
854 | { | |
855 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
856 | "Bad request line \"%s\" from %s!", line, | |
857 | con->http.hostname); | |
f899b121 | 858 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 859 | cupsdCloseClient(con); |
860 | return; | |
ef416fc2 | 861 | } |
862 | ||
863 | if (major < 2) | |
864 | { | |
865 | con->http.version = (http_version_t)(major * 100 + minor); | |
866 | if (con->http.version == HTTP_1_1 && KeepAlive) | |
867 | con->http.keep_alive = HTTP_KEEPALIVE_ON; | |
868 | else | |
869 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
870 | } | |
871 | else | |
872 | { | |
f899b121 | 873 | cupsdSendError(con, HTTP_NOT_SUPPORTED, AUTH_NONE); |
f7deaa1a | 874 | cupsdCloseClient(con); |
875 | return; | |
ef416fc2 | 876 | } |
877 | break; | |
878 | } | |
879 | ||
880 | /* | |
881 | * Handle full URLs in the request line... | |
882 | */ | |
883 | ||
884 | if (strcmp(con->uri, "*")) | |
885 | { | |
886 | char method[HTTP_MAX_URI], /* Method/scheme */ | |
887 | userpass[HTTP_MAX_URI], /* Username:password */ | |
888 | hostname[HTTP_MAX_URI], /* Hostname */ | |
889 | resource[HTTP_MAX_URI]; /* Resource path */ | |
890 | int port; /* Port number */ | |
891 | ||
892 | ||
893 | /* | |
894 | * Separate the URI into its components... | |
895 | */ | |
896 | ||
a4d04587 | 897 | httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
898 | method, sizeof(method), | |
ef416fc2 | 899 | userpass, sizeof(userpass), |
900 | hostname, sizeof(hostname), &port, | |
901 | resource, sizeof(resource)); | |
902 | ||
903 | /* | |
904 | * Only allow URIs with the servername, localhost, or an IP | |
905 | * address... | |
906 | */ | |
907 | ||
908 | if (strcmp(method, "file") && | |
909 | strcasecmp(hostname, ServerName) && | |
910 | strcasecmp(hostname, "localhost") && | |
911 | !isdigit(hostname[0])) | |
912 | { | |
913 | /* | |
914 | * Nope, we don't do proxies... | |
915 | */ | |
916 | ||
917 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!", | |
918 | con->uri); | |
f899b121 | 919 | cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED, AUTH_NONE); |
f7deaa1a | 920 | cupsdCloseClient(con); |
921 | return; | |
ef416fc2 | 922 | } |
923 | ||
924 | /* | |
925 | * Copy the resource portion back into the URI; both resource and | |
926 | * con->uri are HTTP_MAX_URI bytes in size... | |
927 | */ | |
928 | ||
929 | strcpy(con->uri, resource); | |
930 | } | |
931 | ||
932 | /* | |
933 | * Process the request... | |
934 | */ | |
935 | ||
936 | if (!strcmp(operation, "GET")) | |
937 | con->http.state = HTTP_GET; | |
938 | else if (!strcmp(operation, "PUT")) | |
939 | con->http.state = HTTP_PUT; | |
940 | else if (!strcmp(operation, "POST")) | |
941 | con->http.state = HTTP_POST; | |
942 | else if (!strcmp(operation, "DELETE")) | |
943 | con->http.state = HTTP_DELETE; | |
944 | else if (!strcmp(operation, "TRACE")) | |
945 | con->http.state = HTTP_TRACE; | |
946 | else if (!strcmp(operation, "OPTIONS")) | |
947 | con->http.state = HTTP_OPTIONS; | |
948 | else if (!strcmp(operation, "HEAD")) | |
949 | con->http.state = HTTP_HEAD; | |
950 | else | |
951 | { | |
952 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation); | |
f899b121 | 953 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 954 | cupsdCloseClient(con); |
955 | return; | |
ef416fc2 | 956 | } |
957 | ||
958 | con->start = time(NULL); | |
959 | con->operation = con->http.state; | |
960 | ||
89d46774 | 961 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d", |
962 | con->http.fd, operation, con->uri, | |
ef416fc2 | 963 | con->http.version / 100, con->http.version % 100); |
964 | ||
965 | con->http.status = HTTP_OK; | |
966 | ||
967 | case HTTP_OPTIONS : | |
968 | case HTTP_DELETE : | |
969 | case HTTP_GET : | |
970 | case HTTP_HEAD : | |
971 | case HTTP_POST : | |
972 | case HTTP_PUT : | |
973 | case HTTP_TRACE : | |
974 | /* | |
975 | * Parse incoming parameters until the status changes... | |
976 | */ | |
977 | ||
f7deaa1a | 978 | while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE) |
979 | if (con->http.used == 0 || | |
980 | !memchr(con->http.buffer, '\n', con->http.used)) | |
981 | break; | |
ef416fc2 | 982 | |
983 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
984 | { | |
f899b121 | 985 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 986 | cupsdCloseClient(con); |
987 | return; | |
ef416fc2 | 988 | } |
989 | break; | |
990 | ||
991 | default : | |
992 | break; /* Anti-compiler-warning-code */ | |
993 | } | |
994 | ||
995 | /* | |
996 | * Handle new transfers... | |
997 | */ | |
998 | ||
999 | if (status == HTTP_OK) | |
1000 | { | |
1001 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) | |
1002 | { | |
1003 | /* | |
1004 | * Figure out the locale from the Accept-Language and Content-Type | |
1005 | * fields... | |
1006 | */ | |
1007 | ||
1008 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL) | |
1009 | *ptr = '\0'; | |
1010 | ||
1011 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL) | |
1012 | *ptr = '\0'; | |
1013 | ||
1014 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL) | |
1015 | { | |
1016 | /* | |
1017 | * Combine language and charset, and trim any extra params in the | |
1018 | * content-type. | |
1019 | */ | |
1020 | ||
1021 | snprintf(locale, sizeof(locale), "%s.%s", | |
1022 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8); | |
1023 | ||
1024 | if ((ptr = strchr(locale, ',')) != NULL) | |
1025 | *ptr = '\0'; | |
1026 | } | |
1027 | else | |
1028 | snprintf(locale, sizeof(locale), "%s.%s", | |
1029 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset); | |
d6ae789d | 1030 | |
355e94dc | 1031 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
89d46774 | 1032 | "cupsdReadClient: %d Browser asked for language \"%s\"...", |
1033 | con->http.fd, locale); | |
1034 | ||
ef416fc2 | 1035 | con->language = cupsLangGet(locale); |
1036 | } | |
1037 | else | |
1038 | con->language = cupsLangGet(DefaultLocale); | |
1039 | ||
1040 | cupsdAuthorize(con); | |
1041 | ||
1042 | if (!strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) && | |
1043 | KeepAlive) | |
1044 | con->http.keep_alive = HTTP_KEEPALIVE_ON; | |
1045 | ||
1046 | if (!con->http.fields[HTTP_FIELD_HOST][0] && | |
1047 | con->http.version >= HTTP_1_1) | |
1048 | { | |
1049 | /* | |
1050 | * HTTP/1.1 and higher require the "Host:" field... | |
1051 | */ | |
1052 | ||
f899b121 | 1053 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE)) |
f7deaa1a | 1054 | { |
1055 | cupsdCloseClient(con); | |
1056 | return; | |
1057 | } | |
ef416fc2 | 1058 | } |
1059 | else if (con->operation == HTTP_OPTIONS) | |
1060 | { | |
1061 | /* | |
1062 | * Do OPTIONS command... | |
1063 | */ | |
1064 | ||
1065 | if (con->best && con->best->type != AUTH_NONE) | |
1066 | { | |
f899b121 | 1067 | if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL, AUTH_NONE)) |
f7deaa1a | 1068 | { |
1069 | cupsdCloseClient(con); | |
1070 | return; | |
1071 | } | |
ef416fc2 | 1072 | } |
1073 | ||
1074 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1075 | con->http.tls == NULL) | |
1076 | { | |
1077 | #ifdef HAVE_SSL | |
1078 | /* | |
1079 | * Do encryption stuff... | |
1080 | */ | |
1081 | ||
f899b121 | 1082 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, AUTH_NONE)) |
f7deaa1a | 1083 | { |
1084 | cupsdCloseClient(con); | |
1085 | return; | |
1086 | } | |
ef416fc2 | 1087 | |
1088 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1089 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1090 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1091 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1092 | |
1093 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1094 | { |
1095 | cupsdCloseClient(con); | |
1096 | return; | |
1097 | } | |
ef416fc2 | 1098 | |
411affcf | 1099 | if (!encrypt_client(con)) |
f7deaa1a | 1100 | { |
1101 | cupsdCloseClient(con); | |
1102 | return; | |
1103 | } | |
ef416fc2 | 1104 | #else |
f899b121 | 1105 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, AUTH_NONE)) |
f7deaa1a | 1106 | { |
1107 | cupsdCloseClient(con); | |
1108 | return; | |
1109 | } | |
ef416fc2 | 1110 | #endif /* HAVE_SSL */ |
1111 | } | |
1112 | ||
f899b121 | 1113 | if (!cupsdSendHeader(con, HTTP_OK, NULL, AUTH_NONE)) |
f7deaa1a | 1114 | { |
1115 | cupsdCloseClient(con); | |
1116 | return; | |
1117 | } | |
ef416fc2 | 1118 | |
1119 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); | |
1120 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1121 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1122 | |
1123 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1124 | { |
1125 | cupsdCloseClient(con); | |
1126 | return; | |
1127 | } | |
ef416fc2 | 1128 | } |
1129 | else if (!is_path_absolute(con->uri)) | |
1130 | { | |
1131 | /* | |
1132 | * Protect against malicious users! | |
1133 | */ | |
1134 | ||
f899b121 | 1135 | if (!cupsdSendError(con, HTTP_FORBIDDEN, AUTH_NONE)) |
f7deaa1a | 1136 | { |
1137 | cupsdCloseClient(con); | |
1138 | return; | |
1139 | } | |
ef416fc2 | 1140 | } |
1141 | else | |
1142 | { | |
1143 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1144 | con->http.tls == NULL) | |
1145 | { | |
1146 | #ifdef HAVE_SSL | |
1147 | /* | |
1148 | * Do encryption stuff... | |
1149 | */ | |
1150 | ||
f899b121 | 1151 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, AUTH_NONE)) |
f7deaa1a | 1152 | { |
1153 | cupsdCloseClient(con); | |
1154 | return; | |
1155 | } | |
ef416fc2 | 1156 | |
1157 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1158 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1159 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1160 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1161 | |
1162 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1163 | { |
1164 | cupsdCloseClient(con); | |
1165 | return; | |
1166 | } | |
ef416fc2 | 1167 | |
411affcf | 1168 | if (!encrypt_client(con)) |
f7deaa1a | 1169 | { |
1170 | cupsdCloseClient(con); | |
1171 | return; | |
1172 | } | |
ef416fc2 | 1173 | #else |
f899b121 | 1174 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, AUTH_NONE)) |
f7deaa1a | 1175 | { |
1176 | cupsdCloseClient(con); | |
1177 | return; | |
1178 | } | |
ef416fc2 | 1179 | #endif /* HAVE_SSL */ |
1180 | } | |
1181 | ||
1182 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK) | |
1183 | { | |
1184 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1185 | "cupsdReadClient: Unauthorized request for %s...\n", | |
1186 | con->uri); | |
f899b121 | 1187 | cupsdSendError(con, status, AUTH_NONE); |
f7deaa1a | 1188 | cupsdCloseClient(con); |
1189 | return; | |
ef416fc2 | 1190 | } |
1191 | ||
b423cd4c | 1192 | if (con->http.expect && |
1193 | (con->operation == HTTP_POST || con->operation == HTTP_PUT)) | |
ef416fc2 | 1194 | { |
b423cd4c | 1195 | if (con->http.expect == HTTP_CONTINUE) |
1196 | { | |
1197 | /* | |
1198 | * Send 100-continue header... | |
1199 | */ | |
1200 | ||
f899b121 | 1201 | if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL, AUTH_NONE)) |
f7deaa1a | 1202 | { |
1203 | cupsdCloseClient(con); | |
1204 | return; | |
1205 | } | |
b423cd4c | 1206 | } |
1207 | else | |
1208 | { | |
1209 | /* | |
1210 | * Send 417-expectation-failed header... | |
1211 | */ | |
1212 | ||
f899b121 | 1213 | if (!cupsdSendHeader(con, HTTP_EXPECTATION_FAILED, NULL, AUTH_NONE)) |
f7deaa1a | 1214 | { |
1215 | cupsdCloseClient(con); | |
1216 | return; | |
1217 | } | |
b423cd4c | 1218 | |
1219 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1220 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1221 | |
1222 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1223 | { |
1224 | cupsdCloseClient(con); | |
1225 | return; | |
1226 | } | |
b423cd4c | 1227 | } |
ef416fc2 | 1228 | } |
1229 | ||
1230 | switch (con->http.state) | |
1231 | { | |
1232 | case HTTP_GET_SEND : | |
1233 | if (!strncmp(con->uri, "/printers/", 10) && | |
1234 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1235 | { | |
1236 | /* | |
1237 | * Send PPD file - get the real printer name since printer | |
1238 | * names are not case sensitive but filenames can be... | |
1239 | */ | |
1240 | ||
1241 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1242 | ||
1243 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1244 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1245 | else | |
1246 | { | |
f899b121 | 1247 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1248 | { |
1249 | cupsdCloseClient(con); | |
1250 | return; | |
1251 | } | |
ef416fc2 | 1252 | |
1253 | break; | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | if ((!strncmp(con->uri, "/admin", 6) && | |
1258 | strncmp(con->uri, "/admin/conf/", 12) && | |
1259 | strncmp(con->uri, "/admin/log/", 11)) || | |
1260 | !strncmp(con->uri, "/printers", 9) || | |
1261 | !strncmp(con->uri, "/classes", 8) || | |
1262 | !strncmp(con->uri, "/help", 5) || | |
1263 | !strncmp(con->uri, "/jobs", 5)) | |
1264 | { | |
1265 | /* | |
1266 | * Send CGI output... | |
1267 | */ | |
1268 | ||
1269 | if (!strncmp(con->uri, "/admin", 6)) | |
1270 | { | |
1271 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1272 | ServerBin); | |
1273 | ||
b423cd4c | 1274 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1275 | } |
1276 | else if (!strncmp(con->uri, "/printers", 9)) | |
1277 | { | |
1278 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1279 | ServerBin); | |
b423cd4c | 1280 | |
1281 | if (con->uri[9] && con->uri[10]) | |
1282 | cupsdSetString(&con->options, con->uri + 9); | |
1283 | else | |
1284 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1285 | } |
1286 | else if (!strncmp(con->uri, "/classes", 8)) | |
1287 | { | |
1288 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1289 | ServerBin); | |
b423cd4c | 1290 | |
1291 | if (con->uri[8] && con->uri[9]) | |
1292 | cupsdSetString(&con->options, con->uri + 8); | |
1293 | else | |
1294 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1295 | } |
1296 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1297 | { | |
1298 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1299 | ServerBin); | |
b423cd4c | 1300 | |
1301 | if (con->uri[5] && con->uri[6]) | |
1302 | cupsdSetString(&con->options, con->uri + 5); | |
1303 | else | |
1304 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1305 | } |
1306 | else | |
1307 | { | |
1308 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1309 | ServerBin); | |
ef416fc2 | 1310 | |
b423cd4c | 1311 | if (con->uri[5] && con->uri[6]) |
1312 | cupsdSetString(&con->options, con->uri + 5); | |
1313 | else | |
1314 | cupsdSetString(&con->options, NULL); | |
1315 | } | |
ef416fc2 | 1316 | |
1317 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1318 | { | |
f899b121 | 1319 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1320 | { |
1321 | cupsdCloseClient(con); | |
1322 | return; | |
1323 | } | |
ef416fc2 | 1324 | } |
1325 | else | |
1326 | cupsdLogRequest(con, HTTP_OK); | |
1327 | ||
1328 | if (con->http.version <= HTTP_1_0) | |
1329 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1330 | } | |
1331 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1332 | (strchr(con->uri + 12, '/') || | |
1333 | strlen(con->uri) == 12)) || | |
1334 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1335 | (strchr(con->uri + 11, '/') || | |
1336 | strlen(con->uri) == 11))) | |
1337 | { | |
1338 | /* | |
1339 | * GET can only be done to configuration files under | |
1340 | * /admin/conf... | |
1341 | */ | |
1342 | ||
f899b121 | 1343 | if (!cupsdSendError(con, HTTP_FORBIDDEN, AUTH_NONE)) |
f7deaa1a | 1344 | { |
1345 | cupsdCloseClient(con); | |
1346 | return; | |
1347 | } | |
ef416fc2 | 1348 | |
1349 | break; | |
1350 | } | |
1351 | else | |
1352 | { | |
1353 | /* | |
1354 | * Serve a file... | |
1355 | */ | |
1356 | ||
1357 | if ((filename = get_file(con, &filestats, buf, | |
1358 | sizeof(buf))) == NULL) | |
1359 | { | |
f899b121 | 1360 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1361 | { |
1362 | cupsdCloseClient(con); | |
1363 | return; | |
1364 | } | |
ef416fc2 | 1365 | |
1366 | break; | |
1367 | } | |
1368 | ||
4400e98d | 1369 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1370 | |
e1d6a774 | 1371 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1372 | { |
1373 | /* | |
1374 | * Note: con->command and con->options were set by | |
e1d6a774 | 1375 | * is_cgi()... |
ef416fc2 | 1376 | */ |
1377 | ||
1378 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1379 | { | |
f899b121 | 1380 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1381 | { |
1382 | cupsdCloseClient(con); | |
1383 | return; | |
1384 | } | |
ef416fc2 | 1385 | } |
1386 | else | |
1387 | cupsdLogRequest(con, HTTP_OK); | |
1388 | ||
1389 | if (con->http.version <= HTTP_1_0) | |
1390 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1391 | break; | |
1392 | } | |
1393 | ||
1394 | if (!check_if_modified(con, &filestats)) | |
1395 | { | |
f899b121 | 1396 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, AUTH_NONE)) |
f7deaa1a | 1397 | { |
1398 | cupsdCloseClient(con); | |
1399 | return; | |
1400 | } | |
ef416fc2 | 1401 | } |
1402 | else | |
1403 | { | |
1404 | if (type == NULL) | |
1405 | strcpy(line, "text/plain"); | |
1406 | else | |
1407 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1408 | ||
a74454a7 | 1409 | if (!write_file(con, HTTP_OK, filename, line, &filestats)) |
f7deaa1a | 1410 | { |
1411 | cupsdCloseClient(con); | |
1412 | return; | |
1413 | } | |
ef416fc2 | 1414 | } |
1415 | } | |
1416 | break; | |
1417 | ||
1418 | case HTTP_POST_RECV : | |
1419 | /* | |
1420 | * See if the POST request includes a Content-Length field, and if | |
1421 | * so check the length against any limits that are set... | |
1422 | */ | |
1423 | ||
1424 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "POST %s", con->uri); | |
1425 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s", | |
1426 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1427 | ||
1428 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1429 | MaxRequestSize > 0 && | |
1430 | con->http.data_remaining > MaxRequestSize) | |
1431 | { | |
1432 | /* | |
1433 | * Request too large... | |
1434 | */ | |
1435 | ||
f899b121 | 1436 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1437 | { |
1438 | cupsdCloseClient(con); | |
1439 | return; | |
1440 | } | |
ef416fc2 | 1441 | |
1442 | break; | |
1443 | } | |
1444 | else if (con->http.data_remaining < 0) | |
1445 | { | |
1446 | /* | |
1447 | * Negative content lengths are invalid! | |
1448 | */ | |
1449 | ||
f899b121 | 1450 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE)) |
f7deaa1a | 1451 | { |
1452 | cupsdCloseClient(con); | |
1453 | return; | |
1454 | } | |
ef416fc2 | 1455 | |
1456 | break; | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * See what kind of POST request this is; for IPP requests the | |
1461 | * content-type field will be "application/ipp"... | |
1462 | */ | |
1463 | ||
1464 | if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], | |
1465 | "application/ipp")) | |
1466 | con->request = ippNew(); | |
1467 | else if ((!strncmp(con->uri, "/admin", 6) && | |
1468 | strncmp(con->uri, "/admin/conf/", 12) && | |
1469 | strncmp(con->uri, "/admin/log/", 11)) || | |
1470 | !strncmp(con->uri, "/printers", 9) || | |
1471 | !strncmp(con->uri, "/classes", 8) || | |
1472 | !strncmp(con->uri, "/help", 5) || | |
1473 | !strncmp(con->uri, "/jobs", 5)) | |
1474 | { | |
1475 | /* | |
1476 | * CGI request... | |
1477 | */ | |
1478 | ||
1479 | if (!strncmp(con->uri, "/admin", 6)) | |
1480 | { | |
1481 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1482 | ServerBin); | |
1483 | ||
b423cd4c | 1484 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1485 | } |
1486 | else if (!strncmp(con->uri, "/printers", 9)) | |
1487 | { | |
1488 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1489 | ServerBin); | |
b423cd4c | 1490 | |
1491 | if (con->uri[9] && con->uri[10]) | |
1492 | cupsdSetString(&con->options, con->uri + 9); | |
1493 | else | |
1494 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1495 | } |
1496 | else if (!strncmp(con->uri, "/classes", 8)) | |
1497 | { | |
1498 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1499 | ServerBin); | |
b423cd4c | 1500 | |
1501 | if (con->uri[8] && con->uri[9]) | |
1502 | cupsdSetString(&con->options, con->uri + 8); | |
1503 | else | |
1504 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1505 | } |
1506 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1507 | { | |
1508 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1509 | ServerBin); | |
b423cd4c | 1510 | |
1511 | if (con->uri[5] && con->uri[6]) | |
1512 | cupsdSetString(&con->options, con->uri + 5); | |
1513 | else | |
1514 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1515 | } |
1516 | else | |
1517 | { | |
1518 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1519 | ServerBin); | |
ef416fc2 | 1520 | |
b423cd4c | 1521 | if (con->uri[5] && con->uri[6]) |
1522 | cupsdSetString(&con->options, con->uri + 5); | |
1523 | else | |
1524 | cupsdSetString(&con->options, NULL); | |
1525 | } | |
ef416fc2 | 1526 | |
1527 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b423cd4c | 1528 | "cupsdReadClient: %d command=\"%s\", " |
1529 | "options = \"%s\"", | |
f301802f | 1530 | con->http.fd, con->command, |
1531 | con->options ? con->options : "(null)"); | |
ef416fc2 | 1532 | |
1533 | if (con->http.version <= HTTP_1_0) | |
1534 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1535 | } | |
1536 | else | |
1537 | { | |
1538 | /* | |
1539 | * POST to a file... | |
1540 | */ | |
1541 | ||
1542 | if ((filename = get_file(con, &filestats, buf, | |
1543 | sizeof(buf))) == NULL) | |
1544 | { | |
f899b121 | 1545 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1546 | { |
1547 | cupsdCloseClient(con); | |
1548 | return; | |
1549 | } | |
ef416fc2 | 1550 | |
1551 | break; | |
1552 | } | |
1553 | ||
4400e98d | 1554 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1555 | |
e1d6a774 | 1556 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1557 | { |
1558 | /* | |
1559 | * Only POST to CGI's... | |
1560 | */ | |
1561 | ||
f899b121 | 1562 | if (!cupsdSendError(con, HTTP_UNAUTHORIZED, AUTH_NONE)) |
f7deaa1a | 1563 | { |
1564 | cupsdCloseClient(con); | |
1565 | return; | |
1566 | } | |
ef416fc2 | 1567 | } |
1568 | } | |
1569 | break; | |
1570 | ||
1571 | case HTTP_PUT_RECV : | |
1572 | /* | |
1573 | * Validate the resource name... | |
1574 | */ | |
1575 | ||
1576 | if (strncmp(con->uri, "/admin/conf/", 12) || | |
1577 | strchr(con->uri + 12, '/') || | |
1578 | strlen(con->uri) == 12) | |
1579 | { | |
1580 | /* | |
1581 | * PUT can only be done to configuration files under | |
1582 | * /admin/conf... | |
1583 | */ | |
1584 | ||
f899b121 | 1585 | if (!cupsdSendError(con, HTTP_FORBIDDEN, AUTH_NONE)) |
f7deaa1a | 1586 | { |
1587 | cupsdCloseClient(con); | |
1588 | return; | |
1589 | } | |
ef416fc2 | 1590 | |
1591 | break; | |
1592 | } | |
1593 | ||
1594 | /* | |
1595 | * See if the PUT request includes a Content-Length field, and if | |
1596 | * so check the length against any limits that are set... | |
1597 | */ | |
1598 | ||
1599 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "PUT %s", con->uri); | |
1600 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s", | |
1601 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1602 | ||
1603 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1604 | MaxRequestSize > 0 && | |
1605 | con->http.data_remaining > MaxRequestSize) | |
1606 | { | |
1607 | /* | |
1608 | * Request too large... | |
1609 | */ | |
1610 | ||
f899b121 | 1611 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1612 | { |
1613 | cupsdCloseClient(con); | |
1614 | return; | |
1615 | } | |
ef416fc2 | 1616 | |
1617 | break; | |
1618 | } | |
1619 | else if (con->http.data_remaining < 0) | |
1620 | { | |
1621 | /* | |
1622 | * Negative content lengths are invalid! | |
1623 | */ | |
1624 | ||
f899b121 | 1625 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE)) |
f7deaa1a | 1626 | { |
1627 | cupsdCloseClient(con); | |
1628 | return; | |
1629 | } | |
ef416fc2 | 1630 | |
1631 | break; | |
1632 | } | |
1633 | ||
1634 | /* | |
1635 | * Open a temporary file to hold the request... | |
1636 | */ | |
1637 | ||
1638 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1639 | request_id ++); | |
1640 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1641 | ||
1642 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1643 | "cupsdReadClient: %d REQUEST %s=%d", con->http.fd, | |
1644 | con->filename, con->file); | |
1645 | ||
1646 | if (con->file < 0) | |
1647 | { | |
f899b121 | 1648 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1649 | { |
1650 | cupsdCloseClient(con); | |
1651 | return; | |
1652 | } | |
ef416fc2 | 1653 | } |
1654 | ||
1655 | fchmod(con->file, 0640); | |
1656 | fchown(con->file, RunUser, Group); | |
1657 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1658 | break; | |
1659 | ||
1660 | case HTTP_DELETE : | |
1661 | case HTTP_TRACE : | |
f899b121 | 1662 | cupsdSendError(con, HTTP_NOT_IMPLEMENTED, AUTH_NONE); |
f7deaa1a | 1663 | cupsdCloseClient(con); |
1664 | return; | |
ef416fc2 | 1665 | |
1666 | case HTTP_HEAD : | |
1667 | if (!strncmp(con->uri, "/printers/", 10) && | |
1668 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1669 | { | |
1670 | /* | |
1671 | * Send PPD file - get the real printer name since printer | |
1672 | * names are not case sensitive but filenames can be... | |
1673 | */ | |
1674 | ||
1675 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1676 | ||
1677 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1678 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1679 | else | |
1680 | { | |
f899b121 | 1681 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 1682 | { |
1683 | cupsdCloseClient(con); | |
1684 | return; | |
1685 | } | |
ef416fc2 | 1686 | |
1687 | break; | |
1688 | } | |
1689 | } | |
1690 | ||
1691 | if ((!strncmp(con->uri, "/admin", 6) && | |
1692 | strncmp(con->uri, "/admin/conf/", 12) && | |
1693 | strncmp(con->uri, "/admin/log/", 11)) || | |
1694 | !strncmp(con->uri, "/printers", 9) || | |
1695 | !strncmp(con->uri, "/classes", 8) || | |
1696 | !strncmp(con->uri, "/help", 5) || | |
1697 | !strncmp(con->uri, "/jobs", 5)) | |
1698 | { | |
1699 | /* | |
1700 | * CGI output... | |
1701 | */ | |
1702 | ||
f899b121 | 1703 | if (!cupsdSendHeader(con, HTTP_OK, "text/html", AUTH_NONE)) |
f7deaa1a | 1704 | { |
1705 | cupsdCloseClient(con); | |
1706 | return; | |
1707 | } | |
ef416fc2 | 1708 | |
1709 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1710 | { |
1711 | cupsdCloseClient(con); | |
1712 | return; | |
1713 | } | |
ef416fc2 | 1714 | |
07725fee | 1715 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1716 | { |
1717 | cupsdCloseClient(con); | |
1718 | return; | |
1719 | } | |
d09495fa | 1720 | |
ef416fc2 | 1721 | cupsdLogRequest(con, HTTP_OK); |
1722 | } | |
1723 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1724 | (strchr(con->uri + 12, '/') || | |
1725 | strlen(con->uri) == 12)) || | |
1726 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1727 | (strchr(con->uri + 11, '/') || | |
1728 | strlen(con->uri) == 11))) | |
1729 | { | |
1730 | /* | |
1731 | * HEAD can only be done to configuration files under | |
1732 | * /admin/conf... | |
1733 | */ | |
1734 | ||
f899b121 | 1735 | if (!cupsdSendError(con, HTTP_FORBIDDEN, AUTH_NONE)) |
f7deaa1a | 1736 | { |
1737 | cupsdCloseClient(con); | |
1738 | return; | |
1739 | } | |
ef416fc2 | 1740 | |
1741 | break; | |
1742 | } | |
1743 | else if ((filename = get_file(con, &filestats, buf, | |
1744 | sizeof(buf))) == NULL) | |
1745 | { | |
f899b121 | 1746 | if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html", AUTH_NONE)) |
f7deaa1a | 1747 | { |
1748 | cupsdCloseClient(con); | |
1749 | return; | |
1750 | } | |
ef416fc2 | 1751 | |
1752 | cupsdLogRequest(con, HTTP_NOT_FOUND); | |
1753 | } | |
1754 | else if (!check_if_modified(con, &filestats)) | |
1755 | { | |
f899b121 | 1756 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, AUTH_NONE)) |
f7deaa1a | 1757 | { |
1758 | cupsdCloseClient(con); | |
1759 | return; | |
1760 | } | |
ef416fc2 | 1761 | |
1762 | cupsdLogRequest(con, HTTP_NOT_MODIFIED); | |
1763 | } | |
1764 | else | |
1765 | { | |
1766 | /* | |
1767 | * Serve a file... | |
1768 | */ | |
1769 | ||
4400e98d | 1770 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1771 | if (type == NULL) |
1772 | strcpy(line, "text/plain"); | |
1773 | else | |
1774 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1775 | ||
f899b121 | 1776 | if (!cupsdSendHeader(con, HTTP_OK, line, AUTH_NONE)) |
f7deaa1a | 1777 | { |
1778 | cupsdCloseClient(con); | |
1779 | return; | |
1780 | } | |
ef416fc2 | 1781 | |
1782 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
1783 | httpGetDateString(filestats.st_mtime)) < 0) | |
f7deaa1a | 1784 | { |
1785 | cupsdCloseClient(con); | |
1786 | return; | |
1787 | } | |
ef416fc2 | 1788 | |
1789 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", | |
1790 | (unsigned long)filestats.st_size) < 0) | |
f7deaa1a | 1791 | { |
1792 | cupsdCloseClient(con); | |
1793 | return; | |
1794 | } | |
ef416fc2 | 1795 | |
1796 | cupsdLogRequest(con, HTTP_OK); | |
1797 | } | |
1798 | ||
1799 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1800 | { |
1801 | cupsdCloseClient(con); | |
1802 | return; | |
1803 | } | |
ef416fc2 | 1804 | |
07725fee | 1805 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1806 | { |
1807 | cupsdCloseClient(con); | |
1808 | return; | |
1809 | } | |
d09495fa | 1810 | |
ef416fc2 | 1811 | con->http.state = HTTP_WAITING; |
1812 | break; | |
1813 | ||
1814 | default : | |
1815 | break; /* Anti-compiler-warning-code */ | |
1816 | } | |
1817 | } | |
1818 | } | |
1819 | ||
1820 | /* | |
1821 | * Handle any incoming data... | |
1822 | */ | |
1823 | ||
1824 | switch (con->http.state) | |
1825 | { | |
1826 | case HTTP_PUT_RECV : | |
1827 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1828 | "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_%s, " | |
1829 | "con->data_remaining=" CUPS_LLFMT ", con->file=%d", | |
1830 | con->http.fd, | |
1831 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? | |
1832 | "CHUNKED" : "LENGTH", | |
1833 | CUPS_LLCAST con->http.data_remaining, con->file); | |
1834 | ||
f7deaa1a | 1835 | do |
ef416fc2 | 1836 | { |
f7deaa1a | 1837 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
1838 | { | |
1839 | cupsdCloseClient(con); | |
1840 | return; | |
1841 | } | |
1842 | else if (bytes > 0) | |
1843 | { | |
1844 | con->bytes += bytes; | |
ef416fc2 | 1845 | |
f7deaa1a | 1846 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
1847 | "cupsdReadClient: %d writing %d bytes to %d", | |
1848 | con->http.fd, bytes, con->file); | |
ef416fc2 | 1849 | |
f7deaa1a | 1850 | if (write(con->file, line, bytes) < bytes) |
1851 | { | |
1852 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1853 | "cupsdReadClient: Unable to write %d bytes to %s: %s", | |
1854 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1855 | |
f7deaa1a | 1856 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
1857 | "cupsdReadClient: Closing data file %d...", | |
1858 | con->file); | |
ef416fc2 | 1859 | |
f7deaa1a | 1860 | close(con->file); |
1861 | con->file = -1; | |
1862 | unlink(con->filename); | |
1863 | cupsdClearString(&con->filename); | |
ef416fc2 | 1864 | |
f899b121 | 1865 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1866 | { |
1867 | cupsdCloseClient(con); | |
1868 | return; | |
1869 | } | |
1870 | } | |
ef416fc2 | 1871 | } |
f7deaa1a | 1872 | } |
1873 | while (con->http.state == HTTP_PUT_RECV && con->http.used > 0); | |
ef416fc2 | 1874 | |
1875 | if (con->http.state == HTTP_WAITING) | |
1876 | { | |
1877 | /* | |
1878 | * End of file, see how big it is... | |
1879 | */ | |
1880 | ||
1881 | fstat(con->file, &filestats); | |
1882 | ||
1883 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1884 | "cupsdReadClient: %d Closing data file %d, size=" | |
1885 | CUPS_LLFMT ".", | |
1886 | con->http.fd, con->file, | |
1887 | CUPS_LLCAST filestats.st_size); | |
1888 | ||
1889 | close(con->file); | |
1890 | con->file = -1; | |
1891 | ||
1892 | if (filestats.st_size > MaxRequestSize && | |
1893 | MaxRequestSize > 0) | |
1894 | { | |
1895 | /* | |
1896 | * Request is too big; remove it and send an error... | |
1897 | */ | |
1898 | ||
1899 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1900 | "cupsdReadClient: %d Removing temp file %s", | |
1901 | con->http.fd, con->filename); | |
1902 | unlink(con->filename); | |
1903 | cupsdClearString(&con->filename); | |
1904 | ||
f899b121 | 1905 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1906 | { |
1907 | cupsdCloseClient(con); | |
1908 | return; | |
1909 | } | |
ef416fc2 | 1910 | } |
1911 | ||
1912 | /* | |
1913 | * Install the configuration file... | |
1914 | */ | |
1915 | ||
1916 | status = install_conf_file(con); | |
1917 | ||
1918 | /* | |
1919 | * Return the status to the client... | |
1920 | */ | |
1921 | ||
f899b121 | 1922 | if (!cupsdSendError(con, status, AUTH_NONE)) |
f7deaa1a | 1923 | { |
1924 | cupsdCloseClient(con); | |
1925 | return; | |
1926 | } | |
ef416fc2 | 1927 | } |
1928 | break; | |
1929 | ||
1930 | case HTTP_POST_RECV : | |
1931 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1932 | "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_" | |
1933 | "%s, con->data_remaining=" CUPS_LLFMT ", con->file=%d", | |
1934 | con->http.fd, | |
1935 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? | |
1936 | "CHUNKED" : "LENGTH", | |
1937 | CUPS_LLCAST con->http.data_remaining, con->file); | |
1938 | ||
f7deaa1a | 1939 | do |
ef416fc2 | 1940 | { |
f7deaa1a | 1941 | if (con->request) |
ef416fc2 | 1942 | { |
f7deaa1a | 1943 | /* |
1944 | * Grab any request data from the connection... | |
1945 | */ | |
ef416fc2 | 1946 | |
f7deaa1a | 1947 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
ef416fc2 | 1948 | { |
f7deaa1a | 1949 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1950 | "cupsdReadClient: %d IPP Read Error!", | |
1951 | con->http.fd); | |
1952 | ||
f899b121 | 1953 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 1954 | cupsdCloseClient(con); |
1955 | return; | |
ef416fc2 | 1956 | } |
f7deaa1a | 1957 | else if (ipp_state != IPP_DATA) |
1958 | { | |
1959 | if (con->http.state == HTTP_POST_SEND) | |
1960 | { | |
f899b121 | 1961 | cupsdSendError(con, HTTP_BAD_REQUEST, AUTH_NONE); |
f7deaa1a | 1962 | cupsdCloseClient(con); |
1963 | return; | |
1964 | } | |
ef416fc2 | 1965 | |
f7deaa1a | 1966 | break; |
1967 | } | |
1968 | else | |
1969 | con->bytes += ippLength(con->request); | |
1970 | } | |
ef416fc2 | 1971 | |
f7deaa1a | 1972 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
1973 | { | |
1974 | /* | |
1975 | * Create a file as needed for the request data... | |
1976 | */ | |
ef416fc2 | 1977 | |
f7deaa1a | 1978 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
1979 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
ef416fc2 | 1980 | |
f7deaa1a | 1981 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: %d REQUEST %s=%d", con->http.fd, |
1982 | con->filename, con->file); | |
ef416fc2 | 1983 | |
f7deaa1a | 1984 | if (con->file < 0) |
1985 | { | |
f899b121 | 1986 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 1987 | { |
1988 | cupsdCloseClient(con); | |
1989 | return; | |
1990 | } | |
1991 | } | |
ef416fc2 | 1992 | |
f7deaa1a | 1993 | fchmod(con->file, 0640); |
1994 | fchown(con->file, RunUser, Group); | |
1995 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1996 | } | |
ef416fc2 | 1997 | |
f7deaa1a | 1998 | if (con->http.state != HTTP_POST_SEND) |
ef416fc2 | 1999 | { |
f7deaa1a | 2000 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
2001 | { | |
2002 | cupsdCloseClient(con); | |
2003 | return; | |
2004 | } | |
2005 | else if (bytes > 0) | |
2006 | { | |
2007 | con->bytes += bytes; | |
ef416fc2 | 2008 | |
f7deaa1a | 2009 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
2010 | "cupsdReadClient: %d writing %d bytes to %d", | |
2011 | con->http.fd, bytes, con->file); | |
ef416fc2 | 2012 | |
f7deaa1a | 2013 | if (write(con->file, line, bytes) < bytes) |
2014 | { | |
2015 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2016 | "cupsdReadClient: Unable to write %d bytes to %s: %s", | |
2017 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 2018 | |
f7deaa1a | 2019 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
2020 | "cupsdReadClient: Closing file %d...", | |
2021 | con->file); | |
ef416fc2 | 2022 | |
f7deaa1a | 2023 | close(con->file); |
2024 | con->file = -1; | |
2025 | unlink(con->filename); | |
2026 | cupsdClearString(&con->filename); | |
ef416fc2 | 2027 | |
f899b121 | 2028 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 2029 | { |
2030 | cupsdCloseClient(con); | |
2031 | return; | |
2032 | } | |
2033 | } | |
2034 | } | |
2035 | else if (con->http.state == HTTP_POST_RECV) | |
2036 | return; | |
2037 | else if (con->http.state != HTTP_POST_SEND) | |
2038 | { | |
2039 | cupsdCloseClient(con); | |
2040 | return; | |
ef416fc2 | 2041 | } |
2042 | } | |
f7deaa1a | 2043 | } |
2044 | while (con->http.state == HTTP_POST_RECV && con->http.used > 0); | |
ef416fc2 | 2045 | |
2046 | if (con->http.state == HTTP_POST_SEND) | |
2047 | { | |
2048 | if (con->file >= 0) | |
2049 | { | |
2050 | fstat(con->file, &filestats); | |
2051 | ||
2052 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2053 | "cupsdReadClient: %d Closing data file %d, " | |
2054 | "size=" CUPS_LLFMT ".", | |
2055 | con->http.fd, con->file, | |
2056 | CUPS_LLCAST filestats.st_size); | |
2057 | ||
2058 | close(con->file); | |
2059 | con->file = -1; | |
2060 | ||
2061 | if (filestats.st_size > MaxRequestSize && | |
2062 | MaxRequestSize > 0) | |
2063 | { | |
2064 | /* | |
2065 | * Request is too big; remove it and send an error... | |
2066 | */ | |
2067 | ||
2068 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2069 | "cupsdReadClient: %d Removing temp file %s", | |
2070 | con->http.fd, con->filename); | |
2071 | unlink(con->filename); | |
2072 | cupsdClearString(&con->filename); | |
2073 | ||
2074 | if (con->request) | |
2075 | { | |
2076 | /* | |
2077 | * Delete any IPP request data... | |
2078 | */ | |
2079 | ||
2080 | ippDelete(con->request); | |
2081 | con->request = NULL; | |
2082 | } | |
2083 | ||
f899b121 | 2084 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, AUTH_NONE)) |
f7deaa1a | 2085 | { |
2086 | cupsdCloseClient(con); | |
2087 | return; | |
2088 | } | |
ef416fc2 | 2089 | } |
2090 | ||
2091 | if (con->command) | |
2092 | { | |
2093 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2094 | { | |
f899b121 | 2095 | if (!cupsdSendError(con, HTTP_NOT_FOUND, AUTH_NONE)) |
f7deaa1a | 2096 | { |
2097 | cupsdCloseClient(con); | |
2098 | return; | |
2099 | } | |
ef416fc2 | 2100 | } |
2101 | else | |
2102 | cupsdLogRequest(con, HTTP_OK); | |
2103 | } | |
2104 | } | |
2105 | ||
2106 | if (con->request) | |
f7deaa1a | 2107 | { |
2108 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2109 | |
2110 | if (con->filename) | |
2111 | { | |
2112 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2113 | "cupsdReadClient: %d Removing temp file %s", | |
2114 | con->http.fd, con->filename); | |
2115 | unlink(con->filename); | |
2116 | cupsdClearString(&con->filename); | |
2117 | } | |
2118 | ||
f7deaa1a | 2119 | return; |
2120 | } | |
ef416fc2 | 2121 | } |
2122 | break; | |
2123 | ||
2124 | default : | |
2125 | break; /* Anti-compiler-warning-code */ | |
2126 | } | |
2127 | ||
2128 | if (!con->http.keep_alive && con->http.state == HTTP_WAITING) | |
f7deaa1a | 2129 | cupsdCloseClient(con); |
ef416fc2 | 2130 | } |
2131 | ||
2132 | ||
2133 | /* | |
2134 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2135 | */ | |
2136 | ||
2137 | int /* O - 1 on success, 0 on failure */ | |
2138 | cupsdSendCommand( | |
2139 | cupsd_client_t *con, /* I - Client connection */ | |
2140 | char *command, /* I - Command to run */ | |
2141 | char *options, /* I - Command-line options */ | |
2142 | int root) /* I - Run as root? */ | |
2143 | { | |
2144 | int fd; /* Standard input file descriptor */ | |
2145 | ||
2146 | ||
2147 | if (con->filename) | |
ed486911 | 2148 | { |
ef416fc2 | 2149 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2150 | |
ed486911 | 2151 | if (fd < 0) |
2152 | { | |
2153 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2154 | "cupsdSendCommand: %d Unable to open \"%s\" for reading: %s", | |
2155 | con->http.fd, con->filename ? con->filename : "/dev/null", | |
2156 | strerror(errno)); | |
2157 | return (0); | |
2158 | } | |
ef416fc2 | 2159 | |
ed486911 | 2160 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2161 | } | |
2162 | else | |
2163 | fd = -1; | |
ef416fc2 | 2164 | |
2165 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); | |
2166 | ||
ed486911 | 2167 | if (fd >= 0) |
2168 | close(fd); | |
ef416fc2 | 2169 | |
2170 | cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command, | |
2171 | con->pipe_pid); | |
2172 | ||
2173 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendCommand: %d file=%d", | |
2174 | con->http.fd, con->file); | |
2175 | ||
2176 | if (con->pipe_pid == 0) | |
2177 | return (0); | |
2178 | ||
2179 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2180 | ||
f899b121 | 2181 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2182 | |
2183 | con->sent_header = 0; | |
2184 | con->file_ready = 0; | |
2185 | con->got_fields = 0; | |
2186 | con->field_col = 0; | |
2187 | ||
2188 | return (1); | |
2189 | } | |
2190 | ||
2191 | ||
2192 | /* | |
2193 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2194 | */ | |
2195 | ||
2196 | int /* O - 1 if successful, 0 otherwise */ | |
2197 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2198 | http_status_t code, /* I - Error code */ |
2199 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2200 | { |
4744bd90 | 2201 | #ifdef HAVE_SSL |
2202 | /* | |
2203 | * Force client to upgrade for authentication if that is how the | |
2204 | * server is configured... | |
2205 | */ | |
2206 | ||
2207 | if (code == HTTP_UNAUTHORIZED && | |
2208 | DefaultEncryption == HTTP_ENCRYPT_REQUIRED && | |
2209 | strcasecmp(con->http.hostname, "localhost") && | |
2210 | !con->http.tls) | |
2211 | { | |
2212 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2213 | "cupsdSendError: Encryption before authentication!"); | |
2214 | code = HTTP_UPGRADE_REQUIRED; | |
2215 | } | |
2216 | #endif /* HAVE_SSL */ | |
2217 | ||
ef416fc2 | 2218 | /* |
2219 | * Put the request in the access_log file... | |
2220 | */ | |
2221 | ||
2222 | cupsdLogRequest(con, code); | |
2223 | ||
2224 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendError: %d code=%d (%s)", | |
2225 | con->http.fd, code, httpStatus(code)); | |
2226 | ||
2227 | /* | |
2228 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2229 | * error messages... | |
f7deaa1a | 2230 | * |
2231 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2232 | * never disable it in that case. | |
ef416fc2 | 2233 | */ |
2234 | ||
7594b224 | 2235 | if (code >= HTTP_BAD_REQUEST && con->http.auth_type != AUTH_NEGOTIATE) |
ef416fc2 | 2236 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; |
2237 | ||
2238 | /* | |
2239 | * Send an error message back to the client. If the error code is a | |
2240 | * 400 or 500 series, make sure the message contains some text, too! | |
2241 | */ | |
2242 | ||
f899b121 | 2243 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
ef416fc2 | 2244 | return (0); |
2245 | ||
2246 | #ifdef HAVE_SSL | |
2247 | if (code == HTTP_UPGRADE_REQUIRED) | |
2248 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) | |
2249 | return (0); | |
2250 | ||
2251 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) | |
2252 | return (0); | |
2253 | #endif /* HAVE_SSL */ | |
2254 | ||
f7deaa1a | 2255 | if (con->http.version >= HTTP_1_1 && |
2256 | con->http.keep_alive == HTTP_KEEPALIVE_OFF) | |
ef416fc2 | 2257 | { |
2258 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2259 | return (0); | |
2260 | } | |
2261 | ||
2262 | if (code >= HTTP_BAD_REQUEST) | |
2263 | { | |
2264 | /* | |
2265 | * Send a human-readable error message. | |
2266 | */ | |
2267 | ||
80ca4592 | 2268 | char message[4096], /* Message for user */ |
2269 | urltext[1024], /* URL redirection text */ | |
2270 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2271 | const char *text; /* Status-specific text */ |
2272 | ||
80ca4592 | 2273 | |
2274 | redirect[0] = '\0'; | |
2275 | ||
ef416fc2 | 2276 | if (code == HTTP_UNAUTHORIZED) |
2277 | text = _cupsLangString(con->language, | |
2278 | _("Enter your username and password or the " | |
2279 | "root username and password to access this " | |
f7deaa1a | 2280 | "page. If you are using Kerberos authentication, " |
2281 | "make sure you have a valid Kerberos ticket.")); | |
ef416fc2 | 2282 | else if (code == HTTP_UPGRADE_REQUIRED) |
80ca4592 | 2283 | { |
2284 | text = urltext; | |
2285 | ||
2286 | snprintf(urltext, sizeof(urltext), | |
2287 | _cupsLangString(con->language, | |
2288 | _("You must access this page using the URL " | |
2289 | "<A HREF=\"https://%s:%d%s\">" | |
2290 | "https://%s:%d%s</A>.")), | |
2291 | con->servername, con->serverport, con->uri, | |
2292 | con->servername, con->serverport, con->uri); | |
2293 | ||
2294 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2295 | "<META HTTP-EQUIV=\"Refresh\" " |
2296 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2297 | con->servername, con->serverport, con->uri); |
2298 | } | |
ef416fc2 | 2299 | else |
2300 | text = ""; | |
2301 | ||
2302 | snprintf(message, sizeof(message), | |
2303 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" " | |
2304 | "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n" | |
2305 | "<HTML>\n" | |
2306 | "<HEAD>\n" | |
2307 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2308 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
2309 | "\t<TITLE>%d %s</TITLE>\n" | |
2310 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " | |
2311 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2312 | "%s" |
ef416fc2 | 2313 | "</HEAD>\n" |
2314 | "<BODY>\n" | |
2315 | "<H1>%d %s</H1>\n" | |
2316 | "<P>%s</P>\n" | |
2317 | "</BODY>\n" | |
2318 | "</HTML>\n", | |
80ca4592 | 2319 | code, httpStatus(code), redirect, code, httpStatus(code), text); |
ef416fc2 | 2320 | |
2321 | if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2322 | return (0); | |
2323 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", | |
2324 | (int)strlen(message)) < 0) | |
2325 | return (0); | |
2326 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2327 | return (0); | |
2328 | if (httpPrintf(HTTP(con), "%s", message) < 0) | |
2329 | return (0); | |
2330 | } | |
2331 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2332 | return (0); | |
2333 | ||
07725fee | 2334 | if (cupsdFlushHeader(con) < 0) |
2335 | return (0); | |
d09495fa | 2336 | |
ef416fc2 | 2337 | con->http.state = HTTP_WAITING; |
2338 | ||
2339 | return (1); | |
2340 | } | |
2341 | ||
2342 | ||
ef416fc2 | 2343 | /* |
2344 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2345 | */ | |
2346 | ||
2347 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2348 | cupsdSendHeader( |
2349 | cupsd_client_t *con, /* I - Client to send to */ | |
2350 | http_status_t code, /* I - HTTP status code */ | |
2351 | char *type, /* I - MIME type of document */ | |
2352 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2353 | { |
f7deaa1a | 2354 | char auth_str[1024]; /* Authorization string */ |
2355 | ||
2356 | ||
4744bd90 | 2357 | /* |
2358 | * Send the HTTP status header... | |
2359 | */ | |
2360 | ||
b423cd4c | 2361 | if (code == HTTP_CONTINUE) |
2362 | { | |
4744bd90 | 2363 | /* |
2364 | * 100-continue doesn't send any headers... | |
2365 | */ | |
2366 | ||
07725fee | 2367 | return (httpPrintf(HTTP(con), "HTTP/%d.%d 100 Continue\r\n\r\n", |
2368 | con->http.version / 100, con->http.version % 100) > 0); | |
b423cd4c | 2369 | } |
2370 | ||
07725fee | 2371 | httpFlushWrite(HTTP(con)); |
2372 | ||
2373 | con->http.data_encoding = HTTP_ENCODE_FIELDS; | |
2374 | ||
2375 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, | |
2376 | con->http.version % 100, code, httpStatus(code)) < 0) | |
2377 | return (0); | |
ef416fc2 | 2378 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) |
2379 | return (0); | |
2380 | if (ServerHeader) | |
2381 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2382 | return (0); | |
2383 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) | |
2384 | { | |
2385 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2386 | return (0); | |
2387 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", | |
2388 | KeepAliveTimeout) < 0) | |
2389 | return (0); | |
2390 | } | |
2391 | if (code == HTTP_METHOD_NOT_ALLOWED) | |
2392 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0) | |
2393 | return (0); | |
2394 | ||
2395 | if (code == HTTP_UNAUTHORIZED) | |
2396 | { | |
f899b121 | 2397 | if (auth_type == AUTH_NONE) |
2398 | { | |
7ff4fea9 | 2399 | if (!con->best || con->best->type <= AUTH_NONE) |
f899b121 | 2400 | auth_type = DefaultAuthType; |
2401 | else | |
2402 | auth_type = con->best->type; | |
2403 | } | |
f7deaa1a | 2404 | |
2405 | auth_str[0] = '\0'; | |
2406 | ||
2407 | if (auth_type == AUTH_BASIC || auth_type == AUTH_BASICDIGEST) | |
2408 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); | |
2409 | else if (auth_type == AUTH_DIGEST) | |
2410 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", | |
2411 | con->http.hostname); | |
2412 | #ifdef HAVE_GSSAPI | |
c24d2134 | 2413 | else if (auth_type == AUTH_NEGOTIATE && con->gss_output_token.length == 0) |
f7deaa1a | 2414 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
2415 | #endif /* HAVE_GSSAPI */ | |
2416 | ||
2417 | #ifdef HAVE_AUTHORIZATION_H | |
355e94dc | 2418 | if (con->best && auth_type != AUTH_NEGOTIATE) |
ef416fc2 | 2419 | { |
f7deaa1a | 2420 | int i; /* Looping var */ |
2421 | char *auth_key; /* Auth key buffer */ | |
2422 | size_t auth_size; /* Size of remaining buffer */ | |
2423 | ||
2424 | ||
2425 | auth_key = auth_str + strlen(auth_str); | |
2426 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2427 | ||
2428 | for (i = 0; i < con->best->num_names; i ++) | |
2429 | { | |
2430 | if (!strncasecmp(con->best->names[i], "@AUTHKEY(", 9)) | |
2431 | { | |
2432 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", | |
2433 | con->best->names[i] + 9); | |
2434 | /* end parenthesis is stripped in conf.c */ | |
2435 | break; | |
2436 | } | |
2437 | else if (!strcasecmp(con->best->names[i], "@SYSTEM") && | |
2438 | SystemGroupAuthKey) | |
2439 | { | |
2440 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", SystemGroupAuthKey); | |
2441 | break; | |
2442 | } | |
2443 | } | |
ef416fc2 | 2444 | } |
f7deaa1a | 2445 | #endif /* HAVE_AUTHORIZATION_H */ |
2446 | ||
bc44d920 | 2447 | if (auth_str[0]) |
2448 | { | |
355e94dc | 2449 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendHeader: WWW-Authenticate: %s", |
bc44d920 | 2450 | auth_str); |
2451 | ||
2452 | if (httpPrintf(HTTP(con), "WWW-Authenticate: %s\r\n", auth_str) < 0) | |
2453 | return (0); | |
2454 | } | |
ef416fc2 | 2455 | } |
2456 | ||
f7deaa1a | 2457 | #ifdef HAVE_GSSAPI |
2458 | /* | |
2459 | * WWW-Authenticate: Negotiate can be included even for | |
2460 | * non-401 replies... | |
2461 | */ | |
2462 | ||
2463 | if (con->gss_output_token.length > 0) | |
2464 | { | |
2465 | char buf[2048]; /* Output token buffer */ | |
2466 | OM_uint32 minor_status; /* Minor status code */ | |
2467 | ||
2468 | ||
2469 | httpEncode64_2(buf, sizeof(buf), | |
2470 | con->gss_output_token.value, | |
2471 | con->gss_output_token.length); | |
2472 | gss_release_buffer(&minor_status, &con->gss_output_token); | |
2473 | ||
355e94dc MS |
2474 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
2475 | "cupsdSendHeader: WWW-Authenticate: Negotiate %s", buf); | |
2476 | ||
f7deaa1a | 2477 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Negotiate %s\r\n", buf) < 0) |
2478 | return (0); | |
2479 | } | |
2480 | #endif /* HAVE_GSSAPI */ | |
2481 | ||
e1d6a774 | 2482 | if (con->language && strcmp(con->language->language, "C")) |
ef416fc2 | 2483 | { |
2484 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2485 | con->language->language) < 0) | |
2486 | return (0); | |
2487 | } | |
2488 | ||
e1d6a774 | 2489 | if (type) |
ef416fc2 | 2490 | { |
2491 | if (!strcmp(type, "text/html")) | |
2492 | { | |
2493 | if (httpPrintf(HTTP(con), | |
2494 | "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2495 | return (0); | |
2496 | } | |
2497 | else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
2498 | return (0); | |
2499 | } | |
2500 | ||
2501 | return (1); | |
2502 | } | |
2503 | ||
2504 | ||
2505 | /* | |
2506 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2507 | */ | |
2508 | ||
2509 | void | |
2510 | cupsdUpdateCGI(void) | |
2511 | { | |
2512 | char *ptr, /* Pointer to end of line in buffer */ | |
2513 | message[1024]; /* Pointer to message text */ | |
2514 | int loglevel; /* Log level for message */ | |
2515 | ||
2516 | ||
2517 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2518 | message, sizeof(message))) != NULL) | |
2519 | if (!strchr(CGIStatusBuffer->buffer, '\n')) | |
2520 | break; | |
2521 | ||
d09495fa | 2522 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2523 | { |
2524 | /* | |
2525 | * Fatal error on pipe - should never happen! | |
2526 | */ | |
2527 | ||
2528 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2529 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2530 | strerror(errno)); | |
2531 | } | |
2532 | } | |
2533 | ||
2534 | ||
2535 | /* | |
2536 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2537 | */ | |
2538 | ||
f7deaa1a | 2539 | void |
ef416fc2 | 2540 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2541 | { | |
2542 | int bytes; /* Number of bytes written */ | |
2543 | char buf[16385]; /* Data buffer */ | |
2544 | char *bufptr; /* Pointer into buffer */ | |
2545 | ipp_state_t ipp_state; /* IPP state value */ | |
2546 | ||
2547 | ||
2548 | #ifdef DEBUG | |
2549 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b94498cf | 2550 | "cupsdWriteClient(con=%p) %d response=%p(%d), file=%d " |
ef416fc2 | 2551 | "pipe_pid=%d state=%d", |
b94498cf | 2552 | con, con->http.fd, con->response, con->response->state, |
2553 | con->file, con->pipe_pid, con->http.state); | |
ef416fc2 | 2554 | #endif /* DEBUG */ |
2555 | ||
2556 | if (con->http.state != HTTP_GET_SEND && | |
2557 | con->http.state != HTTP_POST_SEND) | |
f7deaa1a | 2558 | return; |
2559 | ||
2560 | if (con->pipe_pid) | |
2561 | { | |
2562 | /* | |
2563 | * Make sure we select on the CGI output... | |
2564 | */ | |
2565 | ||
f899b121 | 2566 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2567 | |
2568 | if (!con->file_ready) | |
2569 | { | |
2570 | /* | |
2571 | * Try again later when there is CGI output available... | |
2572 | */ | |
2573 | ||
2574 | cupsdRemoveSelect(con->http.fd); | |
2575 | return; | |
2576 | } | |
2577 | ||
2578 | con->file_ready = 0; | |
2579 | } | |
ef416fc2 | 2580 | |
b94498cf | 2581 | if (con->response && con->response->state != IPP_DATA) |
ef416fc2 | 2582 | { |
07725fee | 2583 | ipp_state = ippWrite(HTTP(con), con->response); |
b94498cf | 2584 | bytes = ipp_state != IPP_ERROR && |
2585 | (con->file >= 0 || ipp_state != IPP_DATA); | |
ef416fc2 | 2586 | } |
2587 | else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0) | |
2588 | { | |
2589 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2590 | "cupsdWriteClient: Read %d bytes from file %d...", | |
2591 | bytes, con->file); | |
2592 | ||
2593 | if (con->pipe_pid && !con->got_fields) | |
2594 | { | |
2595 | /* | |
2596 | * Inspect the data for Content-Type and other fields. | |
2597 | */ | |
2598 | ||
2599 | buf[bytes] = '\0'; | |
2600 | ||
2601 | for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++) | |
2602 | if (*bufptr == '\n') | |
2603 | { | |
2604 | /* | |
2605 | * Send line to client... | |
2606 | */ | |
2607 | ||
2608 | if (bufptr > buf && bufptr[-1] == '\r') | |
2609 | bufptr[-1] = '\0'; | |
2610 | *bufptr++ = '\0'; | |
2611 | ||
2612 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "Script header: %s", buf); | |
2613 | ||
2614 | if (!con->sent_header) | |
2615 | { | |
2616 | /* | |
2617 | * Handle redirection and CGI status codes... | |
2618 | */ | |
2619 | ||
2620 | if (!strncasecmp(buf, "Location:", 9)) | |
d6ae789d | 2621 | { |
f899b121 | 2622 | cupsdSendHeader(con, HTTP_SEE_OTHER, NULL, AUTH_NONE); |
07725fee | 2623 | con->sent_header = 2; |
2624 | ||
d6ae789d | 2625 | if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0) |
f7deaa1a | 2626 | return; |
d6ae789d | 2627 | } |
ef416fc2 | 2628 | else if (!strncasecmp(buf, "Status:", 7)) |
07725fee | 2629 | { |
f899b121 | 2630 | cupsdSendError(con, (http_status_t)atoi(buf + 7), AUTH_NONE); |
07725fee | 2631 | con->sent_header = 2; |
2632 | } | |
ef416fc2 | 2633 | else |
4744bd90 | 2634 | { |
f899b121 | 2635 | cupsdSendHeader(con, HTTP_OK, NULL, AUTH_NONE); |
07725fee | 2636 | con->sent_header = 1; |
ef416fc2 | 2637 | |
4744bd90 | 2638 | if (con->http.version == HTTP_1_1) |
2639 | { | |
4744bd90 | 2640 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) |
f7deaa1a | 2641 | return; |
4744bd90 | 2642 | } |
2643 | } | |
ef416fc2 | 2644 | } |
2645 | ||
2646 | if (strncasecmp(buf, "Status:", 7)) | |
2647 | httpPrintf(HTTP(con), "%s\r\n", buf); | |
2648 | ||
2649 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d %s", | |
2650 | con->http.fd, buf); | |
2651 | ||
2652 | /* | |
2653 | * Update buffer... | |
2654 | */ | |
2655 | ||
2656 | bytes -= (bufptr - buf); | |
2657 | memmove(buf, bufptr, bytes + 1); | |
2658 | bufptr = buf - 1; | |
2659 | ||
2660 | /* | |
2661 | * See if the line was empty... | |
2662 | */ | |
2663 | ||
2664 | if (con->field_col == 0) | |
d09495fa | 2665 | { |
ef416fc2 | 2666 | con->got_fields = 1; |
d09495fa | 2667 | |
07725fee | 2668 | if (cupsdFlushHeader(con) < 0) |
2669 | { | |
2670 | cupsdCloseClient(con); | |
f7deaa1a | 2671 | return; |
07725fee | 2672 | } |
d09495fa | 2673 | |
2674 | if (con->http.version == HTTP_1_1) | |
2675 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
2676 | } | |
ef416fc2 | 2677 | else |
2678 | con->field_col = 0; | |
2679 | } | |
2680 | else if (*bufptr != '\r') | |
2681 | con->field_col ++; | |
2682 | ||
2683 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2684 | "cupsdWriteClient: %d bytes=%d, got_fields=%d", | |
2685 | con->http.fd, bytes, con->got_fields); | |
2686 | ||
2687 | if (bytes > 0 && !con->got_fields) | |
2688 | { | |
2689 | /* | |
2690 | * Remaining text needs to go out... | |
2691 | */ | |
2692 | ||
2693 | httpPrintf(HTTP(con), "%s", buf); | |
2694 | ||
2695 | con->http.activity = time(NULL); | |
f7deaa1a | 2696 | return; |
ef416fc2 | 2697 | } |
2698 | else if (bytes == 0) | |
ef416fc2 | 2699 | con->http.activity = time(NULL); |
ef416fc2 | 2700 | } |
2701 | ||
4744bd90 | 2702 | if (bytes > 0) |
ef416fc2 | 2703 | { |
4744bd90 | 2704 | if (httpWrite2(HTTP(con), buf, bytes) < 0) |
2705 | { | |
2706 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2707 | "cupsdWriteClient: %d Write of %d bytes failed!", | |
2708 | con->http.fd, bytes); | |
ef416fc2 | 2709 | |
4744bd90 | 2710 | cupsdCloseClient(con); |
f7deaa1a | 2711 | return; |
4744bd90 | 2712 | } |
ef416fc2 | 2713 | |
4744bd90 | 2714 | con->bytes += bytes; |
ef416fc2 | 2715 | |
4744bd90 | 2716 | if (con->http.state == HTTP_WAITING) |
2717 | bytes = 0; | |
2718 | } | |
ef416fc2 | 2719 | } |
2720 | ||
2721 | if (bytes <= 0) | |
2722 | { | |
2723 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d bytes < 0", | |
2724 | con->http.fd); | |
2725 | ||
2726 | cupsdLogRequest(con, HTTP_OK); | |
2727 | ||
2728 | httpFlushWrite(HTTP(con)); | |
2729 | ||
07725fee | 2730 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED && con->sent_header == 1) |
ef416fc2 | 2731 | { |
07725fee | 2732 | if (httpWrite2(HTTP(con), "", 0) < 0) |
ef416fc2 | 2733 | { |
2734 | cupsdCloseClient(con); | |
f7deaa1a | 2735 | return; |
ef416fc2 | 2736 | } |
2737 | } | |
2738 | ||
2739 | con->http.state = HTTP_WAITING; | |
2740 | ||
f7deaa1a | 2741 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2742 | |
2743 | if (con->file >= 0) | |
2744 | { | |
f7deaa1a | 2745 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2746 | |
2747 | if (con->pipe_pid) | |
2748 | cupsdEndProcess(con->pipe_pid, 0); | |
2749 | ||
2750 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2751 | "cupsdWriteClient: %d Closing data file %d.", | |
2752 | con->http.fd, con->file); | |
2753 | ||
2754 | close(con->file); | |
2755 | con->file = -1; | |
2756 | con->pipe_pid = 0; | |
2757 | } | |
2758 | ||
2759 | if (con->filename) | |
2760 | { | |
2761 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2762 | "cupsdWriteClient: %d Removing temp file %s", | |
2763 | con->http.fd, con->filename); | |
2764 | unlink(con->filename); | |
2765 | cupsdClearString(&con->filename); | |
2766 | } | |
2767 | ||
2abf387c | 2768 | if (con->request) |
ef416fc2 | 2769 | { |
2770 | ippDelete(con->request); | |
2771 | con->request = NULL; | |
2772 | } | |
2773 | ||
2abf387c | 2774 | if (con->response) |
ef416fc2 | 2775 | { |
2776 | ippDelete(con->response); | |
2777 | con->response = NULL; | |
2778 | } | |
2779 | ||
2780 | cupsdClearString(&con->command); | |
2781 | cupsdClearString(&con->options); | |
b86bc4cf | 2782 | cupsdClearString(&con->query_string); |
ef416fc2 | 2783 | |
2784 | if (!con->http.keep_alive) | |
2785 | { | |
2786 | cupsdCloseClient(con); | |
f7deaa1a | 2787 | return; |
ef416fc2 | 2788 | } |
2789 | } | |
2790 | ||
2791 | con->http.activity = time(NULL); | |
f7deaa1a | 2792 | } |
ef416fc2 | 2793 | |
f7deaa1a | 2794 | |
e1d6a774 | 2795 | /* |
2796 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2797 | */ | |
2798 | ||
2799 | static int /* O - 1 if modified since */ | |
2800 | check_if_modified( | |
2801 | cupsd_client_t *con, /* I - Client connection */ | |
2802 | struct stat *filestats) /* I - File information */ | |
2803 | { | |
2804 | char *ptr; /* Pointer into field */ | |
2805 | time_t date; /* Time/date value */ | |
2806 | off_t size; /* Size/length value */ | |
2807 | ||
2808 | ||
2809 | size = 0; | |
2810 | date = 0; | |
2811 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
2812 | ||
2813 | if (*ptr == '\0') | |
2814 | return (1); | |
2815 | ||
2816 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2817 | "check_if_modified: %d If-Modified-Since=\"%s\"", | |
2818 | con->http.fd, ptr); | |
2819 | ||
2820 | while (*ptr != '\0') | |
2821 | { | |
2822 | while (isspace(*ptr) || *ptr == ';') | |
2823 | ptr ++; | |
2824 | ||
2825 | if (strncasecmp(ptr, "length=", 7) == 0) | |
2826 | { | |
2827 | ptr += 7; | |
2828 | size = strtoll(ptr, NULL, 10); | |
2829 | ||
2830 | while (isdigit(*ptr)) | |
2831 | ptr ++; | |
2832 | } | |
2833 | else if (isalpha(*ptr)) | |
2834 | { | |
2835 | date = httpGetDateTime(ptr); | |
2836 | while (*ptr != '\0' && *ptr != ';') | |
2837 | ptr ++; | |
2838 | } | |
e53920b9 | 2839 | else |
2840 | ptr ++; | |
e1d6a774 | 2841 | } |
2842 | ||
2843 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2844 | "check_if_modified: %d sizes=" CUPS_LLFMT "," | |
2845 | CUPS_LLFMT " dates=%d,%d", | |
2846 | con->http.fd, CUPS_LLCAST size, | |
2847 | CUPS_LLCAST filestats->st_size, (int)date, | |
2848 | (int)filestats->st_mtime); | |
2849 | ||
2850 | return ((size != filestats->st_size && size != 0) || | |
2851 | (date < filestats->st_mtime && date != 0) || | |
2852 | (size == 0 && date == 0)); | |
2853 | } | |
2854 | ||
2855 | ||
80ca4592 | 2856 | #ifdef HAVE_SSL |
e1d6a774 | 2857 | /* |
2858 | * 'encrypt_client()' - Enable encryption for the client... | |
2859 | */ | |
2860 | ||
2861 | static int /* O - 1 on success, 0 on error */ | |
2862 | encrypt_client(cupsd_client_t *con) /* I - Client to encrypt */ | |
2863 | { | |
80ca4592 | 2864 | # ifdef HAVE_LIBSSL |
e1d6a774 | 2865 | SSL_CTX *context; /* Context for encryption */ |
2866 | SSL *conn; /* Connection for encryption */ | |
411affcf | 2867 | BIO *bio; /* BIO data */ |
e1d6a774 | 2868 | unsigned long error; /* Error code */ |
2869 | ||
2870 | ||
8ca02f3c | 2871 | /* |
2872 | * Verify that we have a certificate... | |
2873 | */ | |
2874 | ||
2875 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
2876 | { | |
2877 | /* | |
2878 | * Nope, make a self-signed certificate... | |
2879 | */ | |
2880 | ||
b86bc4cf | 2881 | if (!make_certificate(con)) |
8ca02f3c | 2882 | return (0); |
2883 | } | |
2884 | ||
e1d6a774 | 2885 | /* |
2886 | * Create the SSL context and accept the connection... | |
2887 | */ | |
2888 | ||
2889 | context = SSL_CTX_new(SSLv23_server_method()); | |
2890 | ||
2891 | SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */ | |
2892 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); | |
2893 | SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM); | |
2894 | ||
411affcf | 2895 | bio = BIO_new(_httpBIOMethods()); |
2896 | BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con)); | |
2897 | ||
e1d6a774 | 2898 | conn = SSL_new(context); |
411affcf | 2899 | SSL_set_bio(conn, bio, bio); |
e1d6a774 | 2900 | |
e1d6a774 | 2901 | if (SSL_accept(conn) != 1) |
2902 | { | |
2903 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2904 | "encrypt_client: Unable to encrypt connection from %s!", | |
2905 | con->http.hostname); | |
2906 | ||
2907 | while ((error = ERR_get_error()) != 0) | |
2908 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", | |
2909 | ERR_error_string(error, NULL)); | |
2910 | ||
2911 | SSL_CTX_free(context); | |
2912 | SSL_free(conn); | |
2913 | return (0); | |
2914 | } | |
2915 | ||
2916 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2917 | "encrypt_client: %d Connection from %s now encrypted.", | |
2918 | con->http.fd, con->http.hostname); | |
2919 | ||
2920 | con->http.tls = conn; | |
2921 | return (1); | |
f7deaa1a | 2922 | |
80ca4592 | 2923 | # elif defined(HAVE_GNUTLS) |
e1d6a774 | 2924 | http_tls_t *conn; /* TLS session object */ |
2925 | int error; /* Error code */ | |
2926 | gnutls_certificate_server_credentials *credentials; | |
2927 | /* TLS credentials */ | |
2928 | ||
2929 | ||
2930 | /* | |
2931 | * Verify that we have a certificate... | |
2932 | */ | |
2933 | ||
2934 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
2935 | { | |
2936 | /* | |
2937 | * Nope, make a self-signed certificate... | |
2938 | */ | |
2939 | ||
b86bc4cf | 2940 | if (!make_certificate(con)) |
8ca02f3c | 2941 | return (0); |
e1d6a774 | 2942 | } |
2943 | ||
2944 | /* | |
2945 | * Create the SSL object and perform the SSL handshake... | |
2946 | */ | |
2947 | ||
89d46774 | 2948 | conn = (http_tls_t *)malloc(sizeof(http_tls_t)); |
e1d6a774 | 2949 | |
2950 | if (conn == NULL) | |
2951 | return (0); | |
2952 | ||
2953 | credentials = (gnutls_certificate_server_credentials *) | |
2954 | malloc(sizeof(gnutls_certificate_server_credentials)); | |
2955 | if (credentials == NULL) | |
2956 | { | |
2957 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2958 | "encrypt_client: Unable to encrypt connection from %s!", | |
2959 | con->http.hostname); | |
2960 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", strerror(errno)); | |
2961 | ||
2962 | free(conn); | |
2963 | return (0); | |
2964 | } | |
2965 | ||
2966 | gnutls_certificate_allocate_credentials(credentials); | |
f7deaa1a | 2967 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, |
e1d6a774 | 2968 | ServerKey, GNUTLS_X509_FMT_PEM); |
2969 | ||
2970 | gnutls_init(&(conn->session), GNUTLS_SERVER); | |
2971 | gnutls_set_default_priority(conn->session); | |
2972 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
411affcf | 2973 | gnutls_transport_set_ptr(conn->session, (gnutls_transport_ptr)HTTP(con)); |
2974 | gnutls_transport_set_pull_function(conn->session, _httpReadGNUTLS); | |
2975 | gnutls_transport_set_push_function(conn->session, _httpWriteGNUTLS); | |
e1d6a774 | 2976 | |
2977 | error = gnutls_handshake(conn->session); | |
2978 | ||
2979 | if (error != GNUTLS_E_SUCCESS) | |
2980 | { | |
2981 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2982 | "encrypt_client: Unable to encrypt connection from %s!", | |
2983 | con->http.hostname); | |
2984 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", | |
2985 | gnutls_strerror(error)); | |
2986 | ||
2987 | gnutls_deinit(conn->session); | |
2988 | gnutls_certificate_free_credentials(*credentials); | |
2989 | free(conn); | |
2990 | free(credentials); | |
2991 | return (0); | |
2992 | } | |
2993 | ||
2994 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2995 | "encrypt_client: %d Connection from %s now encrypted.", | |
2996 | con->http.fd, con->http.hostname); | |
2997 | ||
2998 | conn->credentials = credentials; | |
2999 | con->http.tls = conn; | |
3000 | return (1); | |
3001 | ||
80ca4592 | 3002 | # elif defined(HAVE_CDSASSL) |
89d46774 | 3003 | OSStatus error; /* Error code */ |
3004 | http_tls_t *conn; /* CDSA connection information */ | |
e1d6a774 | 3005 | |
3006 | ||
89d46774 | 3007 | if ((conn = (http_tls_t *)malloc(sizeof(http_tls_t))) == NULL) |
3008 | return (0); | |
e1d6a774 | 3009 | |
89d46774 | 3010 | error = 0; |
3011 | conn->session = NULL; | |
b86bc4cf | 3012 | conn->certsArray = get_cdsa_certificate(con); |
e1d6a774 | 3013 | |
8ca02f3c | 3014 | if (!conn->certsArray) |
3015 | { | |
3016 | /* | |
3017 | * No keychain (yet), make a self-signed certificate... | |
3018 | */ | |
3019 | ||
b86bc4cf | 3020 | if (make_certificate(con)) |
3021 | conn->certsArray = get_cdsa_certificate(con); | |
8ca02f3c | 3022 | } |
3023 | ||
89d46774 | 3024 | if (!conn->certsArray) |
e1d6a774 | 3025 | { |
3026 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
411affcf | 3027 | "encrypt_client: Could not find signing key in keychain " |
e1d6a774 | 3028 | "\"%s\"", ServerCertificate); |
3029 | error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */ | |
3030 | } | |
3031 | ||
3032 | if (!error) | |
89d46774 | 3033 | error = SSLNewContext(true, &conn->session); |
e1d6a774 | 3034 | |
3035 | if (!error) | |
89d46774 | 3036 | error = SSLSetIOFuncs(conn->session, _httpReadCDSA, _httpWriteCDSA); |
3037 | ||
3038 | if (!error) | |
ed486911 | 3039 | error = SSLSetProtocolVersionEnabled(conn->session, kSSLProtocol2, false); |
e1d6a774 | 3040 | |
3041 | if (!error) | |
411affcf | 3042 | error = SSLSetConnection(conn->session, HTTP(con)); |
e1d6a774 | 3043 | |
3044 | if (!error) | |
89d46774 | 3045 | error = SSLSetAllowsExpiredCerts(conn->session, true); |
e1d6a774 | 3046 | |
3047 | if (!error) | |
89d46774 | 3048 | error = SSLSetAllowsAnyRoot(conn->session, true); |
ef416fc2 | 3049 | |
89d46774 | 3050 | if (!error) |
3051 | error = SSLSetCertificate(conn->session, conn->certsArray); | |
ef416fc2 | 3052 | |
e1d6a774 | 3053 | if (!error) |
3054 | { | |
3055 | /* | |
3056 | * Perform SSL/TLS handshake | |
3057 | */ | |
ef416fc2 | 3058 | |
89d46774 | 3059 | while ((error = SSLHandshake(conn->session)) == errSSLWouldBlock) |
e1d6a774 | 3060 | usleep(1000); |
3061 | } | |
ef416fc2 | 3062 | |
e1d6a774 | 3063 | if (error) |
3064 | { | |
3065 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3066 | "encrypt_client: Unable to encrypt connection from %s!", | |
3067 | con->http.hostname); | |
ef416fc2 | 3068 | |
ed486911 | 3069 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s (%d)", |
3070 | cssmErrorString(error), (int)error); | |
ef416fc2 | 3071 | |
e1d6a774 | 3072 | con->http.error = error; |
3073 | con->http.status = HTTP_ERROR; | |
ef416fc2 | 3074 | |
89d46774 | 3075 | if (conn->session) |
3076 | SSLDisposeContext(conn->session); | |
3077 | ||
3078 | if (conn->certsArray) | |
3079 | CFRelease(conn->certsArray); | |
3080 | ||
3081 | free(conn); | |
ef416fc2 | 3082 | |
e1d6a774 | 3083 | return (0); |
ef416fc2 | 3084 | } |
3085 | ||
e1d6a774 | 3086 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3087 | "encrypt_client: %d Connection from %s now encrypted.", | |
3088 | con->http.fd, con->http.hostname); | |
ef416fc2 | 3089 | |
e1d6a774 | 3090 | con->http.tls = conn; |
3091 | return (1); | |
3092 | ||
80ca4592 | 3093 | # endif /* HAVE_LIBSSL */ |
ef416fc2 | 3094 | } |
80ca4592 | 3095 | #endif /* HAVE_SSL */ |
ef416fc2 | 3096 | |
3097 | ||
3098 | #ifdef HAVE_CDSASSL | |
3099 | /* | |
b86bc4cf | 3100 | * 'get_cdsa_certificate()' - Get a SSL/TLS certificate from the System keychain. |
ef416fc2 | 3101 | */ |
3102 | ||
b86bc4cf | 3103 | static CFArrayRef /* O - Array of certificates */ |
3104 | get_cdsa_certificate(cupsd_client_t *con) /* I - Client connection */ | |
ef416fc2 | 3105 | { |
3106 | OSStatus err; /* Error info */ | |
b86bc4cf | 3107 | SecKeychainRef keychain; /* Keychain reference */ |
3108 | SecIdentitySearchRef search; /* Search reference */ | |
ef416fc2 | 3109 | SecIdentityRef identity; /* Identity */ |
b86bc4cf | 3110 | CFArrayRef certificates = NULL; |
3111 | /* Certificate array */ | |
ef416fc2 | 3112 | |
3113 | ||
b86bc4cf | 3114 | if ((err = SecKeychainOpen(ServerCertificate, &keychain))) |
3115 | { | |
3116 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", %s", | |
3117 | ServerCertificate, cssmErrorString(err)); | |
3118 | return (NULL); | |
3119 | } | |
ef416fc2 | 3120 | |
b86bc4cf | 3121 | # if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY |
3122 | /* | |
3123 | * Use a policy to search for valid certificates who's common name matches the | |
3124 | * servername... | |
3125 | */ | |
3126 | ||
3127 | SecPolicySearchRef policy_search; /* Policy search ref */ | |
3128 | SecPolicyRef policy; /* Policy ref */ | |
3129 | CSSM_DATA options; /* Policy options */ | |
3130 | CSSM_APPLE_TP_SSL_OPTIONS | |
3131 | ssl_options; /* SSL Option for hostname */ | |
3132 | ||
3133 | ||
3134 | if ((err = SecPolicySearchCreate(CSSM_CERT_X_509v3, &CSSMOID_APPLE_TP_SSL, | |
3135 | NULL, &policy_search))) | |
ef416fc2 | 3136 | { |
b86bc4cf | 3137 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create a policy search reference"); |
3138 | CFRelease(keychain); | |
3139 | return (NULL); | |
3140 | } | |
ef416fc2 | 3141 | |
b86bc4cf | 3142 | if ((err = SecPolicySearchCopyNext(policy_search, &policy))) |
3143 | { | |
3144 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3145 | "Cannot find a policy to use for searching"); | |
3146 | CFRelease(keychain); | |
3147 | CFRelease(policy_search); | |
3148 | return (NULL); | |
3149 | } | |
ef416fc2 | 3150 | |
b86bc4cf | 3151 | memset(&ssl_options, 0, sizeof(ssl_options)); |
3152 | ssl_options.Version = CSSM_APPLE_TP_SSL_OPTS_VERSION; | |
3153 | ssl_options.ServerName = con->servername; | |
3154 | ssl_options.ServerNameLen = strlen(con->servername); | |
ef416fc2 | 3155 | |
b86bc4cf | 3156 | options.Data = (uint8 *)&ssl_options; |
3157 | options.Length = sizeof(ssl_options); | |
3158 | ||
3159 | if ((err = SecPolicySetValue(policy, &options))) | |
3160 | { | |
3161 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3162 | "Cannot set policy value to use for searching"); | |
3163 | CFRelease(keychain); | |
3164 | CFRelease(policy_search); | |
3165 | return (NULL); | |
3166 | } | |
3167 | ||
3168 | err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN, | |
3169 | keychain, FALSE, &search); | |
3170 | # else | |
3171 | /* | |
3172 | * Assume there is exactly one SecIdentity in the keychain... | |
3173 | */ | |
3174 | ||
3175 | err = SecIdentitySearchCreate(keychain, CSSM_KEYUSE_SIGN, &search); | |
3176 | # endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */ | |
3177 | ||
3178 | if (err) | |
3179 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3180 | "Cannot create keychain search reference: %s", | |
3181 | cssmErrorString(err)); | |
3182 | else | |
3183 | { | |
3184 | if ((err = SecIdentitySearchCopyNext(search, &identity))) | |
3185 | { | |
3186 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
ef416fc2 | 3187 | "Cannot find signing key in keychain \"%s\", error %d", |
3188 | ServerCertificate, (int)err); | |
b86bc4cf | 3189 | } |
3190 | else | |
3191 | { | |
3192 | if (CFGetTypeID(identity) != SecIdentityGetTypeID()) | |
3193 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3194 | "SecIdentitySearchCopyNext CFTypeID failure!"); | |
ef416fc2 | 3195 | else |
3196 | { | |
b86bc4cf | 3197 | if ((certificates = CFArrayCreate(NULL, (const void **)&identity, |
3198 | 1, &kCFTypeArrayCallBacks)) == NULL) | |
3199 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array"); | |
ef416fc2 | 3200 | } |
3201 | ||
b86bc4cf | 3202 | CFRelease(identity); |
ef416fc2 | 3203 | } |
3204 | ||
b86bc4cf | 3205 | CFRelease(search); |
ef416fc2 | 3206 | } |
3207 | ||
b86bc4cf | 3208 | # if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY |
3209 | CFRelease(policy); | |
3210 | CFRelease(policy_search); | |
3211 | # endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */ | |
3212 | ||
3213 | return (certificates); | |
ef416fc2 | 3214 | } |
3215 | #endif /* HAVE_CDSASSL */ | |
3216 | ||
3217 | ||
3218 | /* | |
3219 | * 'get_file()' - Get a filename and state info. | |
3220 | */ | |
3221 | ||
3222 | static char * /* O - Real filename */ | |
3223 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
3224 | struct stat *filestats, /* O - File information */ | |
3225 | char *filename, /* IO - Filename buffer */ | |
3226 | int len) /* I - Buffer length */ | |
3227 | { | |
3228 | int status; /* Status of filesystem calls */ | |
3229 | char *ptr; /* Pointer info filename */ | |
3230 | int plen; /* Remaining length after pointer */ | |
db1f069b | 3231 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 3232 | |
3233 | ||
3234 | /* | |
f7deaa1a | 3235 | * Figure out the real filename... |
ef416fc2 | 3236 | */ |
3237 | ||
db1f069b MS |
3238 | language[0] = '\0'; |
3239 | ||
ef416fc2 | 3240 | if (!strncmp(con->uri, "/ppd/", 5)) |
3241 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); | |
f7deaa1a | 3242 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
3243 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 3244 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
3245 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
3246 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
3247 | { | |
3248 | if (!strcmp(con->uri + 11, "access_log") && AccessLog[0] == '/') | |
3249 | strlcpy(filename, AccessLog, len); | |
3250 | else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/') | |
3251 | strlcpy(filename, ErrorLog, len); | |
3252 | else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/') | |
3253 | strlcpy(filename, PageLog, len); | |
3254 | else | |
3255 | return (NULL); | |
3256 | } | |
d6ae789d | 3257 | else if (con->language) |
db1f069b MS |
3258 | { |
3259 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
3260 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3261 | } | |
ef416fc2 | 3262 | else |
3263 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
3264 | ||
3265 | if ((ptr = strchr(filename, '?')) != NULL) | |
3266 | *ptr = '\0'; | |
3267 | ||
3268 | /* | |
3269 | * Grab the status for this language; if there isn't a language-specific file | |
3270 | * then fallback to the default one... | |
3271 | */ | |
3272 | ||
db1f069b | 3273 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
d6ae789d | 3274 | strncmp(con->uri, "/ppd/", 5) && |
3275 | strncmp(con->uri, "/admin/conf/", 12) && | |
3276 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 3277 | { |
3278 | /* | |
d6ae789d | 3279 | * Drop the country code... |
ef416fc2 | 3280 | */ |
3281 | ||
db1f069b MS |
3282 | language[3] = '\0'; |
3283 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 3284 | |
3285 | if ((ptr = strchr(filename, '?')) != NULL) | |
3286 | *ptr = '\0'; | |
3287 | ||
3288 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 3289 | { |
d6ae789d | 3290 | /* |
3291 | * Drop the language prefix and try the root directory... | |
3292 | */ | |
3293 | ||
db1f069b | 3294 | language[0] = '\0'; |
ef416fc2 | 3295 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
3296 | ||
3297 | if ((ptr = strchr(filename, '?')) != NULL) | |
3298 | *ptr = '\0'; | |
3299 | ||
3300 | status = stat(filename, filestats); | |
3301 | } | |
3302 | } | |
3303 | ||
3304 | /* | |
3305 | * If we're found a directory, get the index.html file instead... | |
3306 | */ | |
3307 | ||
3308 | if (!status && S_ISDIR(filestats->st_mode)) | |
3309 | { | |
db1f069b MS |
3310 | /* |
3311 | * Make sure the URI ends with a slash... | |
3312 | */ | |
ef416fc2 | 3313 | |
db1f069b MS |
3314 | if (con->uri[strlen(con->uri) - 1] != '/') |
3315 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3316 | |
db1f069b MS |
3317 | /* |
3318 | * Find the directory index file, trying every language... | |
3319 | */ | |
ef416fc2 | 3320 | |
db1f069b | 3321 | do |
ef416fc2 | 3322 | { |
db1f069b MS |
3323 | if (status && language[0]) |
3324 | { | |
3325 | /* | |
3326 | * Try a different language subset... | |
3327 | */ | |
3328 | ||
3329 | if (language[3]) | |
3330 | language[0] = '\0'; /* Strip country code */ | |
3331 | else | |
3332 | language[0] = '\0'; /* Strip language */ | |
3333 | } | |
3334 | ||
3335 | /* | |
3336 | * Look for the index file... | |
3337 | */ | |
3338 | ||
3339 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3340 | ||
3341 | if ((ptr = strchr(filename, '?')) != NULL) | |
3342 | *ptr = '\0'; | |
3343 | ||
3344 | ptr = filename + strlen(filename); | |
3345 | plen = len - (ptr - filename); | |
3346 | ||
3347 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3348 | status = stat(filename, filestats); |
db1f069b MS |
3349 | |
3350 | #ifdef HAVE_JAVA | |
3351 | if (status) | |
3352 | { | |
3353 | strlcpy(ptr, "index.class", plen); | |
3354 | status = stat(filename, filestats); | |
3355 | } | |
ef416fc2 | 3356 | #endif /* HAVE_JAVA */ |
3357 | ||
3358 | #ifdef HAVE_PERL | |
db1f069b MS |
3359 | if (status) |
3360 | { | |
3361 | strlcpy(ptr, "index.pl", plen); | |
3362 | status = stat(filename, filestats); | |
3363 | } | |
ef416fc2 | 3364 | #endif /* HAVE_PERL */ |
3365 | ||
3366 | #ifdef HAVE_PHP | |
db1f069b MS |
3367 | if (status) |
3368 | { | |
3369 | strlcpy(ptr, "index.php", plen); | |
3370 | status = stat(filename, filestats); | |
3371 | } | |
ef416fc2 | 3372 | #endif /* HAVE_PHP */ |
3373 | ||
3374 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3375 | if (status) |
3376 | { | |
3377 | strlcpy(ptr, "index.pyc", plen); | |
3378 | status = stat(filename, filestats); | |
3379 | } | |
ef416fc2 | 3380 | |
db1f069b MS |
3381 | if (status) |
3382 | { | |
3383 | strlcpy(ptr, "index.py", plen); | |
3384 | status = stat(filename, filestats); | |
3385 | } | |
ef416fc2 | 3386 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3387 | |
3388 | } | |
3389 | while (status && language[0]); | |
ef416fc2 | 3390 | } |
3391 | ||
3392 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d", | |
3393 | con->http.fd, filename, | |
3394 | status ? -1 : (int)filestats->st_size); | |
3395 | ||
3396 | if (!status) | |
3397 | con->http.data_remaining = (int)filestats->st_size; | |
3398 | ||
3399 | if (status) | |
3400 | return (NULL); | |
3401 | else | |
3402 | return (filename); | |
3403 | } | |
3404 | ||
3405 | ||
3406 | /* | |
3407 | * 'install_conf_file()' - Install a configuration file. | |
3408 | */ | |
3409 | ||
3410 | static http_status_t /* O - Status */ | |
3411 | install_conf_file(cupsd_client_t *con) /* I - Connection */ | |
3412 | { | |
3413 | cups_file_t *in, /* Input file */ | |
3414 | *out; /* Output file */ | |
3415 | char buffer[1024]; /* Copy buffer */ | |
3416 | int bytes; /* Number of bytes */ | |
3417 | char conffile[1024], /* Configuration filename */ | |
3418 | newfile[1024], /* New config filename */ | |
3419 | oldfile[1024]; /* Old config filename */ | |
3420 | struct stat confinfo; /* Config file info */ | |
3421 | ||
3422 | ||
3423 | /* | |
3424 | * First construct the filenames... | |
3425 | */ | |
3426 | ||
3427 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
3428 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
3429 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
3430 | ||
3431 | cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile); | |
3432 | ||
3433 | /* | |
3434 | * Get the owner, group, and permissions of the configuration file. | |
3435 | * If it doesn't exist, assign it to the User and Group in the | |
3436 | * cupsd.conf file with mode 0640 permissions. | |
3437 | */ | |
3438 | ||
3439 | if (stat(conffile, &confinfo)) | |
3440 | { | |
3441 | confinfo.st_uid = User; | |
3442 | confinfo.st_gid = Group; | |
3443 | confinfo.st_mode = ConfigFilePerm; | |
3444 | } | |
3445 | ||
3446 | /* | |
3447 | * Open the request file and new config file... | |
3448 | */ | |
3449 | ||
3450 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) | |
3451 | { | |
3452 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s", | |
3453 | con->filename, strerror(errno)); | |
3454 | return (HTTP_SERVER_ERROR); | |
3455 | } | |
3456 | ||
3457 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) | |
3458 | { | |
3459 | cupsFileClose(in); | |
3460 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s", | |
3461 | newfile, strerror(errno)); | |
3462 | return (HTTP_SERVER_ERROR); | |
3463 | } | |
3464 | ||
3465 | fchmod(cupsFileNumber(out), confinfo.st_mode); | |
3466 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
3467 | ||
3468 | /* | |
3469 | * Copy from the request to the new config file... | |
3470 | */ | |
3471 | ||
3472 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3473 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3474 | { | |
3475 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3476 | "Unable to copy to config file \"%s\" - %s", | |
3477 | newfile, strerror(errno)); | |
3478 | ||
3479 | cupsFileClose(in); | |
3480 | cupsFileClose(out); | |
3481 | unlink(newfile); | |
3482 | ||
3483 | return (HTTP_SERVER_ERROR); | |
3484 | } | |
3485 | ||
3486 | /* | |
3487 | * Close the files... | |
3488 | */ | |
3489 | ||
3490 | cupsFileClose(in); | |
3491 | if (cupsFileClose(out)) | |
3492 | { | |
3493 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3494 | "Error file closing config file \"%s\" - %s", | |
3495 | newfile, strerror(errno)); | |
3496 | ||
3497 | unlink(newfile); | |
3498 | ||
3499 | return (HTTP_SERVER_ERROR); | |
3500 | } | |
3501 | ||
3502 | /* | |
3503 | * Remove the request file... | |
3504 | */ | |
3505 | ||
3506 | unlink(con->filename); | |
3507 | cupsdClearString(&con->filename); | |
3508 | ||
3509 | /* | |
3510 | * Unlink the old backup, rename the current config file to the backup | |
3511 | * filename, and rename the new config file to the config file name... | |
3512 | */ | |
3513 | ||
3514 | if (unlink(oldfile)) | |
3515 | if (errno != ENOENT) | |
3516 | { | |
3517 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3518 | "Unable to remove backup config file \"%s\" - %s", | |
3519 | oldfile, strerror(errno)); | |
3520 | ||
3521 | unlink(newfile); | |
3522 | ||
3523 | return (HTTP_SERVER_ERROR); | |
3524 | } | |
3525 | ||
3526 | if (rename(conffile, oldfile)) | |
3527 | if (errno != ENOENT) | |
3528 | { | |
3529 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3530 | "Unable to rename old config file \"%s\" - %s", | |
3531 | conffile, strerror(errno)); | |
3532 | ||
3533 | unlink(newfile); | |
3534 | ||
3535 | return (HTTP_SERVER_ERROR); | |
3536 | } | |
3537 | ||
3538 | if (rename(newfile, conffile)) | |
3539 | { | |
3540 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3541 | "Unable to rename new config file \"%s\" - %s", | |
3542 | newfile, strerror(errno)); | |
3543 | ||
3544 | rename(oldfile, conffile); | |
3545 | unlink(newfile); | |
3546 | ||
3547 | return (HTTP_SERVER_ERROR); | |
3548 | } | |
3549 | ||
3550 | /* | |
3551 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
3552 | */ | |
3553 | ||
3554 | if (!strcmp(con->uri, "/admin/conf/cupsd.conf")) | |
3555 | NeedReload = RELOAD_CUPSD; | |
3556 | else | |
3557 | NeedReload = RELOAD_ALL; | |
3558 | ||
3559 | ReloadTime = time(NULL); | |
3560 | ||
3561 | /* | |
3562 | * Return that the file was created successfully... | |
3563 | */ | |
3564 | ||
3565 | return (HTTP_CREATED); | |
3566 | } | |
3567 | ||
3568 | ||
e1d6a774 | 3569 | /* |
3570 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3571 | */ | |
3572 | ||
3573 | static int /* O - 1 = CGI, 0 = file */ | |
3574 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3575 | const char *filename, /* I - Real filename */ | |
3576 | struct stat *filestats, /* I - File information */ | |
3577 | mime_type_t *type) /* I - MIME type */ | |
3578 | { | |
3579 | const char *options; /* Options on URL */ | |
3580 | ||
3581 | ||
3582 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3583 | "is_cgi(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n", | |
3584 | con, filename, filestats, type ? type->super : "unknown", | |
3585 | type ? type->type : "unknown"); | |
3586 | ||
3587 | /* | |
3588 | * Get the options, if any... | |
3589 | */ | |
3590 | ||
3591 | if ((options = strchr(con->uri, '?')) != NULL) | |
b86bc4cf | 3592 | { |
e1d6a774 | 3593 | options ++; |
3594 | ||
b86bc4cf | 3595 | if (strchr(options, '=')) |
3596 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3597 | } | |
3598 | ||
e1d6a774 | 3599 | /* |
3600 | * Check for known types... | |
3601 | */ | |
3602 | ||
3603 | if (!type || strcasecmp(type->super, "application")) | |
3604 | { | |
3605 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0..."); | |
3606 | return (0); | |
3607 | } | |
3608 | ||
3609 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
3610 | (filestats->st_mode & 0111)) | |
3611 | { | |
3612 | /* | |
3613 | * "application/x-httpd-cgi" is a CGI script. | |
3614 | */ | |
3615 | ||
3616 | cupsdSetString(&con->command, filename); | |
3617 | ||
3618 | filename = strrchr(filename, '/') + 1; /* Filename always absolute */ | |
3619 | ||
3620 | cupsdSetString(&con->options, options); | |
3621 | ||
3622 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3623 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3624 | con->command, con->options); | |
3625 | ||
3626 | return (1); | |
3627 | } | |
3628 | #ifdef HAVE_JAVA | |
3629 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
3630 | { | |
3631 | /* | |
3632 | * "application/x-httpd-java" is a Java servlet. | |
3633 | */ | |
3634 | ||
3635 | cupsdSetString(&con->command, CUPS_JAVA); | |
3636 | ||
3637 | if (options) | |
b94498cf | 3638 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3639 | else |
b94498cf | 3640 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3641 | |
3642 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3643 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3644 | con->command, con->options); | |
3645 | ||
3646 | return (1); | |
3647 | } | |
3648 | #endif /* HAVE_JAVA */ | |
3649 | #ifdef HAVE_PERL | |
3650 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
3651 | { | |
3652 | /* | |
3653 | * "application/x-httpd-perl" is a Perl page. | |
3654 | */ | |
3655 | ||
3656 | cupsdSetString(&con->command, CUPS_PERL); | |
3657 | ||
3658 | if (options) | |
b94498cf | 3659 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3660 | else |
b94498cf | 3661 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3662 | |
3663 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3664 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3665 | con->command, con->options); | |
3666 | ||
3667 | return (1); | |
3668 | } | |
3669 | #endif /* HAVE_PERL */ | |
3670 | #ifdef HAVE_PHP | |
3671 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
3672 | { | |
3673 | /* | |
3674 | * "application/x-httpd-php" is a PHP page. | |
3675 | */ | |
3676 | ||
3677 | cupsdSetString(&con->command, CUPS_PHP); | |
3678 | ||
3679 | if (options) | |
b94498cf | 3680 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3681 | else |
b94498cf | 3682 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3683 | |
3684 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3685 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3686 | con->command, con->options); | |
3687 | ||
3688 | return (1); | |
3689 | } | |
3690 | #endif /* HAVE_PHP */ | |
3691 | #ifdef HAVE_PYTHON | |
3692 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
3693 | { | |
3694 | /* | |
3695 | * "application/x-httpd-python" is a Python page. | |
3696 | */ | |
3697 | ||
3698 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3699 | ||
3700 | if (options) | |
b94498cf | 3701 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3702 | else |
b94498cf | 3703 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3704 | |
3705 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3706 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3707 | con->command, con->options); | |
3708 | ||
3709 | return (1); | |
3710 | } | |
3711 | #endif /* HAVE_PYTHON */ | |
3712 | ||
3713 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0..."); | |
3714 | ||
3715 | return (0); | |
3716 | } | |
3717 | ||
3718 | ||
ef416fc2 | 3719 | /* |
3720 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3721 | */ | |
3722 | ||
3723 | static int /* O - 0 if relative, 1 if absolute */ | |
3724 | is_path_absolute(const char *path) /* I - Input path */ | |
3725 | { | |
3726 | /* | |
3727 | * Check for a leading slash... | |
3728 | */ | |
3729 | ||
3730 | if (path[0] != '/') | |
3731 | return (0); | |
3732 | ||
3733 | /* | |
3734 | * Check for "/.." in the path... | |
3735 | */ | |
3736 | ||
3737 | while ((path = strstr(path, "/..")) != NULL) | |
3738 | { | |
3739 | if (!path[3] || path[3] == '/') | |
3740 | return (0); | |
3741 | ||
3742 | path ++; | |
3743 | } | |
3744 | ||
3745 | /* | |
3746 | * If we haven't found any relative paths, return 1 indicating an | |
3747 | * absolute path... | |
3748 | */ | |
3749 | ||
3750 | return (1); | |
3751 | } | |
3752 | ||
3753 | ||
8ca02f3c | 3754 | #ifdef HAVE_SSL |
4744bd90 | 3755 | /* |
3756 | * 'make_certificate()' - Make a self-signed SSL/TLS certificate. | |
3757 | */ | |
3758 | ||
8ca02f3c | 3759 | static int /* O - 1 on success, 0 on failure */ |
b86bc4cf | 3760 | make_certificate(cupsd_client_t *con) /* I - Client connection */ |
4744bd90 | 3761 | { |
8ca02f3c | 3762 | #if defined(HAVE_LIBSSL) && defined(HAVE_WAITPID) |
d09495fa | 3763 | int pid, /* Process ID of command */ |
3764 | status; /* Status of command */ | |
3765 | char command[1024], /* Command */ | |
f7deaa1a | 3766 | *argv[12], /* Command-line arguments */ |
d09495fa | 3767 | *envp[MAX_ENV + 1], /* Environment variables */ |
3768 | home[1024], /* HOME environment variable */ | |
3769 | infofile[1024], /* Type-in information for cert */ | |
3770 | seedfile[1024]; /* Random number seed file */ | |
3771 | int envc, /* Number of environment variables */ | |
3772 | bytes; /* Bytes written */ | |
3773 | cups_file_t *fp; /* Seed/info file */ | |
3774 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 3775 | |
3776 | ||
3777 | /* | |
d09495fa | 3778 | * Run the "openssl" command to seed the random number generator and |
3779 | * generate a self-signed certificate that is good for 10 years: | |
3780 | * | |
3781 | * openssl rand -rand seedfile 1 | |
8ca02f3c | 3782 | * |
3783 | * openssl req -new -x509 -keyout ServerKey \ | |
3784 | * -out ServerCertificate -days 3650 -nodes | |
d09495fa | 3785 | * |
3786 | * The seeding step is crucial in ensuring that the openssl command | |
3787 | * does not block on systems without sufficient entropy... | |
8ca02f3c | 3788 | */ |
3789 | ||
3790 | if (!cupsFileFind("openssl", getenv("PATH"), 1, command, sizeof(command))) | |
3791 | { | |
3792 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3793 | "No SSL certificate and openssl command not found!"); | |
3794 | return (0); | |
3795 | } | |
3796 | ||
d09495fa | 3797 | if (access("/dev/urandom", 0)) |
3798 | { | |
3799 | /* | |
3800 | * If the system doesn't provide /dev/urandom, then any random source | |
3801 | * will probably be blocking-style, so generate some random data to | |
3802 | * use as a seed for the certificate. Note that we have already | |
3803 | * seeded the random number generator in cupsdInitCerts()... | |
3804 | */ | |
3805 | ||
3806 | cupsdLogMessage(CUPSD_LOG_INFO, | |
3807 | "Seeding the random number generator..."); | |
3808 | ||
3809 | snprintf(home, sizeof(home), "HOME=%s", TempDir); | |
3810 | ||
3811 | /* | |
3812 | * Write the seed file... | |
3813 | */ | |
3814 | ||
3815 | if ((fp = cupsTempFile2(seedfile, sizeof(seedfile))) == NULL) | |
3816 | { | |
3817 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create seed file %s - %s", | |
3818 | seedfile, strerror(errno)); | |
3819 | return (0); | |
3820 | } | |
3821 | ||
3822 | for (bytes = 0; bytes < 262144; bytes ++) | |
3823 | cupsFilePutChar(fp, random()); | |
3824 | ||
3825 | cupsFileClose(fp); | |
3826 | ||
3827 | /* | |
3828 | * Run the openssl command to seed its random number generator... | |
3829 | */ | |
3830 | ||
3831 | argv[0] = "openssl"; | |
3832 | argv[1] = "rand"; | |
3833 | argv[2] = "-rand"; | |
3834 | argv[3] = seedfile; | |
3835 | argv[4] = "1"; | |
3836 | argv[5] = NULL; | |
3837 | ||
3838 | envc = cupsdLoadEnv(envp, MAX_ENV); | |
3839 | envp[envc++] = home; | |
3840 | envp[envc] = NULL; | |
3841 | ||
f7deaa1a | 3842 | if (!cupsdStartProcess(command, argv, envp, -1, -1, -1, -1, -1, 1, &pid)) |
d09495fa | 3843 | { |
3844 | unlink(seedfile); | |
3845 | return (0); | |
3846 | } | |
3847 | ||
3848 | while (waitpid(pid, &status, 0) < 0) | |
3849 | if (errno != EINTR) | |
3850 | { | |
3851 | status = 1; | |
3852 | break; | |
3853 | } | |
3854 | ||
3855 | cupsdFinishProcess(pid, command, sizeof(command)); | |
3856 | ||
3857 | /* | |
3858 | * Remove the seed file, as it is no longer needed... | |
3859 | */ | |
3860 | ||
3861 | unlink(seedfile); | |
3862 | ||
3863 | if (status) | |
3864 | { | |
3865 | if (WIFEXITED(status)) | |
3866 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3867 | "Unable to seed random number generator - " | |
3868 | "the openssl command stopped with status %d!", | |
3869 | WEXITSTATUS(status)); | |
3870 | else | |
3871 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3872 | "Unable to seed random number generator - " | |
3873 | "the openssl command crashed on signal %d!", | |
3874 | WTERMSIG(status)); | |
3875 | ||
3876 | return (0); | |
3877 | } | |
3878 | } | |
3879 | ||
3880 | /* | |
3881 | * Create a file with the certificate information fields... | |
3882 | * | |
3883 | * Note: This assumes that the default questions are asked by the openssl | |
3884 | * command... | |
3885 | */ | |
3886 | ||
3887 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
3888 | { | |
3889 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3890 | "Unable to create certificate information file %s - %s", | |
3891 | infofile, strerror(errno)); | |
3892 | return (0); | |
3893 | } | |
3894 | ||
3895 | cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n", | |
3896 | ServerName, ServerName, ServerAdmin); | |
3897 | cupsFileClose(fp); | |
3898 | ||
8ca02f3c | 3899 | cupsdLogMessage(CUPSD_LOG_INFO, |
3900 | "Generating SSL server key and certificate..."); | |
3901 | ||
3902 | argv[0] = "openssl"; | |
3903 | argv[1] = "req"; | |
3904 | argv[2] = "-new"; | |
3905 | argv[3] = "-x509"; | |
3906 | argv[4] = "-keyout"; | |
3907 | argv[5] = ServerKey; | |
3908 | argv[6] = "-out"; | |
3909 | argv[7] = ServerCertificate; | |
3910 | argv[8] = "-days"; | |
3911 | argv[9] = "3650"; | |
3912 | argv[10] = "-nodes"; | |
3913 | argv[11] = NULL; | |
3914 | ||
3915 | cupsdLoadEnv(envp, MAX_ENV); | |
3916 | ||
d09495fa | 3917 | infofd = open(infofile, O_RDONLY); |
3918 | ||
f7deaa1a | 3919 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, &pid)) |
d09495fa | 3920 | { |
3921 | close(infofd); | |
3922 | unlink(infofile); | |
8ca02f3c | 3923 | return (0); |
d09495fa | 3924 | } |
3925 | ||
3926 | close(infofd); | |
3927 | unlink(infofile); | |
8ca02f3c | 3928 | |
3929 | while (waitpid(pid, &status, 0) < 0) | |
3930 | if (errno != EINTR) | |
3931 | { | |
3932 | status = 1; | |
3933 | break; | |
3934 | } | |
3935 | ||
3936 | cupsdFinishProcess(pid, command, sizeof(command)); | |
3937 | ||
3938 | if (status) | |
3939 | { | |
3940 | if (WIFEXITED(status)) | |
3941 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3942 | "Unable to create SSL server key and certificate - " | |
3943 | "the openssl command stopped with status %d!", | |
3944 | WEXITSTATUS(status)); | |
3945 | else | |
3946 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3947 | "Unable to create SSL server key and certificate - " | |
3948 | "the openssl command crashed on signal %d!", | |
3949 | WTERMSIG(status)); | |
3950 | } | |
3951 | else | |
3952 | { | |
3953 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", | |
3954 | ServerKey); | |
3955 | cupsdLogMessage(CUPSD_LOG_INFO, | |
3956 | "Created SSL server certificate file \"%s\"...", | |
3957 | ServerCertificate); | |
3958 | } | |
3959 | ||
3960 | return (!status); | |
3961 | ||
3962 | #elif defined(HAVE_GNUTLS) | |
4744bd90 | 3963 | gnutls_x509_crt crt; /* Self-signed certificate */ |
3964 | gnutls_x509_privkey key; /* Encryption key */ | |
3965 | cups_lang_t *language; /* Default language info */ | |
3966 | cups_file_t *fp; /* Key/cert file */ | |
3967 | unsigned char buffer[8192]; /* Buffer for x509 data */ | |
3968 | size_t bytes; /* Number of bytes of data */ | |
3969 | unsigned char serial[4]; /* Serial number buffer */ | |
3970 | time_t curtime; /* Current time */ | |
3971 | int result; /* Result of GNU TLS calls */ | |
3972 | ||
3973 | ||
3974 | /* | |
3975 | * Create the encryption key... | |
3976 | */ | |
3977 | ||
8ca02f3c | 3978 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key..."); |
4744bd90 | 3979 | |
3980 | gnutls_x509_privkey_init(&key); | |
3981 | gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0); | |
3982 | ||
3983 | /* | |
3984 | * Save it... | |
3985 | */ | |
3986 | ||
3987 | bytes = sizeof(buffer); | |
3988 | ||
3989 | if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM, | |
3990 | buffer, &bytes)) < 0) | |
3991 | { | |
8ca02f3c | 3992 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s", |
4744bd90 | 3993 | gnutls_strerror(result)); |
3994 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 3995 | return (0); |
4744bd90 | 3996 | } |
3997 | else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL) | |
3998 | { | |
3999 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4000 | cupsFileClose(fp); | |
4001 | ||
8ca02f3c | 4002 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", |
4744bd90 | 4003 | ServerKey); |
4004 | } | |
4005 | else | |
4006 | { | |
4007 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4008 | "Unable to create SSL server key file \"%s\" - %s", |
4744bd90 | 4009 | ServerKey, strerror(errno)); |
4010 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4011 | return (0); |
4744bd90 | 4012 | } |
4013 | ||
4014 | /* | |
4015 | * Create the self-signed certificate... | |
4016 | */ | |
4017 | ||
8ca02f3c | 4018 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate..."); |
4744bd90 | 4019 | |
4020 | language = cupsLangDefault(); | |
4021 | curtime = time(NULL); | |
4022 | serial[0] = curtime >> 24; | |
4023 | serial[1] = curtime >> 16; | |
4024 | serial[2] = curtime >> 8; | |
4025 | serial[3] = curtime; | |
4026 | ||
4027 | gnutls_x509_crt_init(&crt); | |
4028 | if (strlen(language->language) == 5) | |
4029 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4030 | language->language + 3, 2); | |
4031 | else | |
4032 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4033 | "US", 2); | |
4034 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0, | |
4035 | ServerName, strlen(ServerName)); | |
4036 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATION_NAME, 0, | |
4037 | ServerName, strlen(ServerName)); | |
4038 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, | |
4039 | 0, "Unknown", 7); | |
4040 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0, | |
4041 | "Unknown", 7); | |
4042 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_LOCALITY_NAME, 0, | |
4043 | "Unknown", 7); | |
4044 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_PKCS9_EMAIL, 0, | |
4045 | ServerAdmin, strlen(ServerAdmin)); | |
4046 | gnutls_x509_crt_set_key(crt, key); | |
4047 | gnutls_x509_crt_set_serial(crt, serial, sizeof(serial)); | |
4048 | gnutls_x509_crt_set_activation_time(crt, curtime); | |
4049 | gnutls_x509_crt_set_expiration_time(crt, curtime + 10 * 365 * 86400); | |
4050 | gnutls_x509_crt_set_ca_status(crt, 0); | |
4051 | gnutls_x509_crt_set_subject_alternative_name(crt, GNUTLS_SAN_DNSNAME, | |
4052 | ServerName); | |
4053 | gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0); | |
4054 | gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_KEY_ENCIPHERMENT); | |
4055 | gnutls_x509_crt_set_version(crt, 3); | |
4056 | ||
4057 | bytes = sizeof(buffer); | |
4058 | if (gnutls_x509_crt_get_key_id(crt, 0, buffer, &bytes) >= 0) | |
4059 | gnutls_x509_crt_set_subject_key_id(crt, buffer, bytes); | |
4060 | ||
4061 | gnutls_x509_crt_sign(crt, crt, key); | |
4062 | ||
4063 | /* | |
4064 | * Save it... | |
4065 | */ | |
4066 | ||
4067 | bytes = sizeof(buffer); | |
4068 | if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM, | |
4069 | buffer, &bytes)) < 0) | |
4070 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4071 | "Unable to export SSL server certificate - %s", |
4744bd90 | 4072 | gnutls_strerror(result)); |
4073 | else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL) | |
4074 | { | |
4075 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4076 | cupsFileClose(fp); | |
4077 | ||
4078 | cupsdLogMessage(CUPSD_LOG_INFO, | |
8ca02f3c | 4079 | "Created SSL server certificate file \"%s\"...", |
4744bd90 | 4080 | ServerCertificate); |
4081 | } | |
4082 | else | |
4083 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4084 | "Unable to create SSL server certificate file \"%s\" - %s", |
4744bd90 | 4085 | ServerCertificate, strerror(errno)); |
4086 | ||
4087 | /* | |
4088 | * Cleanup... | |
4089 | */ | |
4090 | ||
4091 | gnutls_x509_crt_deinit(crt); | |
4092 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4093 | |
4094 | return (1); | |
4095 | ||
4096 | #elif defined(HAVE_CDSASSL) && defined(HAVE_WAITPID) | |
b86bc4cf | 4097 | int pid, /* Process ID of command */ |
4098 | status; /* Status of command */ | |
4099 | char command[1024], /* Command */ | |
4100 | *argv[4], /* Command-line arguments */ | |
4101 | *envp[MAX_ENV + 1], /* Environment variables */ | |
4102 | keychain[1024], /* Keychain argument */ | |
4103 | infofile[1024]; /* Type-in information for cert */ | |
4104 | cups_file_t *fp; /* Seed/info file */ | |
4105 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 4106 | |
4107 | ||
4108 | /* | |
b86bc4cf | 4109 | * Run the "certtool" command to generate a self-signed certificate... |
8ca02f3c | 4110 | */ |
4111 | ||
4112 | if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command))) | |
4113 | { | |
4114 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4115 | "No SSL certificate and certtool command not found!"); | |
4116 | return (0); | |
4117 | } | |
4118 | ||
b86bc4cf | 4119 | /* |
4120 | * Create a file with the certificate information fields... | |
4121 | * | |
4122 | * Note: This assumes that the default questions are asked by the certtool | |
4123 | * command... | |
4124 | */ | |
4125 | ||
4126 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
4127 | { | |
4128 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4129 | "Unable to create certificate information file %s - %s", | |
4130 | infofile, strerror(errno)); | |
4131 | return (0); | |
4132 | } | |
4133 | ||
4134 | cupsFilePrintf(fp, "%s\nr\n\ny\nb\ns\ny\n%s\n\n\n\n\n%s\ny\n", | |
4135 | con->servername, con->servername, ServerAdmin); | |
4136 | cupsFileClose(fp); | |
4137 | ||
8ca02f3c | 4138 | cupsdLogMessage(CUPSD_LOG_INFO, |
4139 | "Generating SSL server key and certificate..."); | |
4140 | ||
4141 | snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate); | |
4142 | ||
4143 | argv[0] = "certtool"; | |
4144 | argv[1] = "c"; | |
b86bc4cf | 4145 | argv[2] = keychain; |
4146 | argv[3] = NULL; | |
8ca02f3c | 4147 | |
4148 | cupsdLoadEnv(envp, MAX_ENV); | |
4149 | ||
b86bc4cf | 4150 | infofd = open(infofile, O_RDONLY); |
4151 | ||
f7deaa1a | 4152 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, &pid)) |
b86bc4cf | 4153 | { |
4154 | close(infofd); | |
4155 | unlink(infofile); | |
8ca02f3c | 4156 | return (0); |
b86bc4cf | 4157 | } |
4158 | ||
4159 | close(infofd); | |
4160 | unlink(infofile); | |
8ca02f3c | 4161 | |
4162 | while (waitpid(pid, &status, 0) < 0) | |
4163 | if (errno != EINTR) | |
4164 | { | |
4165 | status = 1; | |
4166 | break; | |
4167 | } | |
4168 | ||
4169 | cupsdFinishProcess(pid, command, sizeof(command)); | |
4170 | ||
4171 | if (status) | |
4172 | { | |
4173 | if (WIFEXITED(status)) | |
4174 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4175 | "Unable to create SSL server key and certificate - " | |
4176 | "the certtool command stopped with status %d!", | |
4177 | WEXITSTATUS(status)); | |
4178 | else | |
4179 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4180 | "Unable to create SSL server key and certificate - " | |
4181 | "the certtool command crashed on signal %d!", | |
4182 | WTERMSIG(status)); | |
4183 | } | |
4184 | else | |
4185 | { | |
4186 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4187 | "Created SSL server certificate file \"%s\"...", | |
4188 | ServerCertificate); | |
4189 | } | |
4190 | ||
4191 | return (!status); | |
4192 | ||
4193 | #else | |
4194 | return (0); | |
4195 | #endif /* HAVE_LIBSSL && HAVE_WAITPID */ | |
4744bd90 | 4196 | } |
8ca02f3c | 4197 | #endif /* HAVE_SSL */ |
4744bd90 | 4198 | |
4199 | ||
ef416fc2 | 4200 | /* |
4201 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
4202 | */ | |
4203 | ||
4204 | static int /* O - Process ID */ | |
4205 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
4206 | int infile, /* I - Standard input for command */ | |
4207 | int *outfile, /* O - Standard output for command */ | |
4208 | char *command, /* I - Command to run */ | |
4209 | char *options, /* I - Options for command */ | |
4210 | int root) /* I - Run as root? */ | |
4211 | { | |
4212 | int i; /* Looping var */ | |
4213 | int pid; /* Process ID */ | |
b423cd4c | 4214 | char *commptr, /* Command string pointer */ |
4215 | commch; /* Command string character */ | |
ef416fc2 | 4216 | char *uriptr; /* URI string pointer */ |
4217 | int fds[2]; /* Pipe FDs */ | |
4218 | int argc; /* Number of arguments */ | |
4219 | int envc; /* Number of environment variables */ | |
4220 | char argbuf[10240], /* Argument buffer */ | |
4221 | *argv[100], /* Argument strings */ | |
b94498cf | 4222 | *envp[MAX_ENV + 20]; /* Environment variables */ |
4223 | char auth_type[256], /* AUTH_TYPE environment variable */ | |
4224 | content_length[1024], /* CONTENT_LENGTH environment variable */ | |
ef416fc2 | 4225 | content_type[1024], /* CONTENT_TYPE environment variable */ |
4226 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 4227 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 4228 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
4229 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 4230 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 4231 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
4232 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
4233 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 4234 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 4235 | script_name[1024], /* SCRIPT_NAME environment variable */ |
4236 | server_name[1024], /* SERVER_NAME environment variable */ | |
4237 | server_port[1024]; /* SERVER_PORT environment variable */ | |
4238 | ||
4239 | ||
4240 | /* | |
4241 | * Parse a copy of the options string, which is of the form: | |
4242 | * | |
b423cd4c | 4243 | * argument+argument+argument |
4244 | * ?argument+argument+argument | |
4245 | * param=value¶m=value | |
4246 | * ?param=value¶m=value | |
4247 | * /name?argument+argument+argument | |
4248 | * /name?param=value¶m=value | |
ef416fc2 | 4249 | * |
4250 | * If the string contains an "=" character after the initial name, | |
4251 | * then we treat it as a HTTP GET form request and make a copy of | |
4252 | * the remaining string for the environment variable. | |
4253 | * | |
4254 | * The string is always parsed out as command-line arguments, to | |
4255 | * be consistent with Apache... | |
4256 | */ | |
4257 | ||
4258 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4259 | "pipe_command: command=\"%s\", options=\"%s\"", | |
f301802f | 4260 | command, options ? options : "(null)"); |
ef416fc2 | 4261 | |
b86bc4cf | 4262 | argv[0] = command; |
ef416fc2 | 4263 | |
b423cd4c | 4264 | if (options) |
4265 | strlcpy(argbuf, options, sizeof(argbuf)); | |
4266 | else | |
4267 | argbuf[0] = '\0'; | |
4268 | ||
4269 | if (argbuf[0] == '/') | |
ef416fc2 | 4270 | { |
4271 | /* | |
b423cd4c | 4272 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 4273 | */ |
4274 | ||
b423cd4c | 4275 | if ((commptr = strchr(argbuf, '?')) == NULL) |
4276 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 4277 | |
b423cd4c | 4278 | commch = *commptr; |
4279 | *commptr = '\0'; | |
4280 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
4281 | *commptr = commch; | |
4282 | } | |
4283 | else | |
4284 | { | |
4285 | commptr = argbuf; | |
4286 | path_info[0] = '\0'; | |
b94498cf | 4287 | |
4288 | if (*commptr == ' ') | |
4289 | commptr ++; | |
b423cd4c | 4290 | } |
ef416fc2 | 4291 | |
b86bc4cf | 4292 | if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string) |
b423cd4c | 4293 | { |
4294 | commptr ++; | |
b86bc4cf | 4295 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 4296 | } |
ef416fc2 | 4297 | |
b423cd4c | 4298 | argc = 1; |
ef416fc2 | 4299 | |
b423cd4c | 4300 | if (*commptr) |
4301 | { | |
4302 | argv[argc ++] = commptr; | |
ef416fc2 | 4303 | |
b423cd4c | 4304 | for (; *commptr && argc < 99; commptr ++) |
4305 | { | |
ef416fc2 | 4306 | /* |
b423cd4c | 4307 | * Break arguments whenever we see a + or space... |
ef416fc2 | 4308 | */ |
4309 | ||
b423cd4c | 4310 | if (*commptr == ' ' || *commptr == '+') |
4311 | { | |
4312 | while (*commptr == ' ' || *commptr == '+') | |
4313 | *commptr++ = '\0'; | |
ef416fc2 | 4314 | |
b423cd4c | 4315 | /* |
4316 | * If we don't have a blank string, save it as another argument... | |
4317 | */ | |
ef416fc2 | 4318 | |
b423cd4c | 4319 | if (*commptr) |
4320 | { | |
4321 | argv[argc] = commptr; | |
4322 | argc ++; | |
4323 | } | |
4324 | else | |
4325 | break; | |
4326 | } | |
4327 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
4328 | isxdigit(commptr[2] & 255)) | |
4329 | { | |
4330 | /* | |
4331 | * Convert the %xx notation to the individual character. | |
4332 | */ | |
ef416fc2 | 4333 | |
b423cd4c | 4334 | if (commptr[1] >= '0' && commptr[1] <= '9') |
4335 | *commptr = (commptr[1] - '0') << 4; | |
4336 | else | |
4337 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 4338 | |
b423cd4c | 4339 | if (commptr[2] >= '0' && commptr[2] <= '9') |
4340 | *commptr |= commptr[2] - '0'; | |
4341 | else | |
4342 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 4343 | |
b423cd4c | 4344 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 4345 | |
b423cd4c | 4346 | /* |
4347 | * Check for a %00 and break if that is the case... | |
4348 | */ | |
ef416fc2 | 4349 | |
b423cd4c | 4350 | if (!*commptr) |
4351 | break; | |
4352 | } | |
ef416fc2 | 4353 | } |
4354 | } | |
4355 | ||
4356 | argv[argc] = NULL; | |
4357 | ||
ef416fc2 | 4358 | /* |
4359 | * Setup the environment variables as needed... | |
4360 | */ | |
4361 | ||
b94498cf | 4362 | if (con->username[0]) |
4363 | { | |
4364 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", | |
4365 | httpGetField(HTTP(con), HTTP_FIELD_AUTHORIZATION)); | |
4366 | ||
4367 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
4368 | *uriptr = '\0'; | |
4369 | } | |
4370 | else | |
4371 | auth_type[0] = '\0'; | |
4372 | ||
ef416fc2 | 4373 | if (con->language) |
4374 | snprintf(lang, sizeof(lang), "LANG=%s.UTF-8", con->language->language); | |
4375 | else | |
4376 | strcpy(lang, "LANG=C"); | |
4377 | ||
4378 | strcpy(remote_addr, "REMOTE_ADDR="); | |
4379 | httpAddrString(con->http.hostaddr, remote_addr + 12, | |
4380 | sizeof(remote_addr) - 12); | |
4381 | ||
4382 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
4383 | con->http.hostname); | |
4384 | ||
4385 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
4386 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
4387 | *uriptr = '\0'; | |
4388 | ||
b94498cf | 4389 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
4390 | DocumentRoot, script_name + 12); | |
4391 | ||
ef416fc2 | 4392 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
4393 | ||
4394 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
4395 | con->servername); | |
4396 | ||
4397 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
4398 | ||
b94498cf | 4399 | if (auth_type[0]) |
4400 | envp[envc ++] = auth_type; | |
4401 | ||
ef416fc2 | 4402 | envp[envc ++] = lang; |
4403 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 4404 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 4405 | envp[envc ++] = server_name; |
4406 | envp[envc ++] = server_port; | |
4407 | envp[envc ++] = remote_addr; | |
4408 | envp[envc ++] = remote_host; | |
4409 | envp[envc ++] = script_name; | |
b94498cf | 4410 | envp[envc ++] = script_filename; |
ef416fc2 | 4411 | |
b423cd4c | 4412 | if (path_info[0]) |
4413 | envp[envc ++] = path_info; | |
4414 | ||
ef416fc2 | 4415 | if (con->username[0]) |
4416 | { | |
4417 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
4418 | ||
4419 | envp[envc ++] = remote_user; | |
4420 | } | |
4421 | ||
4422 | if (con->http.version == HTTP_1_1) | |
4423 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
4424 | else if (con->http.version == HTTP_1_0) | |
4425 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
4426 | else | |
4427 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
4428 | ||
4429 | if (con->http.cookie) | |
4430 | { | |
4431 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
4432 | con->http.cookie); | |
4433 | envp[envc ++] = http_cookie; | |
4434 | } | |
4435 | ||
4436 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
4437 | { | |
4438 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
4439 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
4440 | envp[envc ++] = http_user_agent; | |
4441 | } | |
4442 | ||
f7deaa1a | 4443 | if (con->http.fields[HTTP_FIELD_REFERER][0]) |
4444 | { | |
4445 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
4446 | con->http.fields[HTTP_FIELD_REFERER]); | |
4447 | envp[envc ++] = http_referer; | |
4448 | } | |
4449 | ||
ef416fc2 | 4450 | if (con->operation == HTTP_GET) |
4451 | { | |
ef416fc2 | 4452 | envp[envc ++] = "REQUEST_METHOD=GET"; |
4453 | ||
b86bc4cf | 4454 | if (con->query_string) |
ef416fc2 | 4455 | { |
4456 | /* | |
4457 | * Add GET form variables after ?... | |
4458 | */ | |
4459 | ||
b86bc4cf | 4460 | envp[envc ++] = con->query_string; |
ef416fc2 | 4461 | } |
4462 | } | |
4463 | else | |
4464 | { | |
e1d6a774 | 4465 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
4466 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 4467 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
4468 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
4469 | ||
4470 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
4471 | envp[envc ++] = content_length; | |
4472 | envp[envc ++] = content_type; | |
4473 | } | |
4474 | ||
4475 | /* | |
4476 | * Tell the CGI if we are using encryption... | |
4477 | */ | |
4478 | ||
a74454a7 | 4479 | if (con->http.tls) |
ef416fc2 | 4480 | envp[envc ++] = "HTTPS=ON"; |
4481 | ||
4482 | /* | |
4483 | * Terminate the environment array... | |
4484 | */ | |
4485 | ||
4486 | envp[envc] = NULL; | |
4487 | ||
4488 | if (LogLevel == CUPSD_LOG_DEBUG2) | |
4489 | { | |
4490 | for (i = 0; i < argc; i ++) | |
4491 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4492 | "pipe_command: argv[%d] = \"%s\"", i, argv[i]); | |
4493 | for (i = 0; i < envc; i ++) | |
4494 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4495 | "pipe_command: envp[%d] = \"%s\"", i, envp[i]); | |
4496 | } | |
4497 | ||
4498 | /* | |
4499 | * Create a pipe for the output... | |
4500 | */ | |
4501 | ||
4502 | if (cupsdOpenPipe(fds)) | |
4503 | { | |
ef416fc2 | 4504 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create pipes for CGI %s - %s", |
4505 | argv[0], strerror(errno)); | |
4506 | return (0); | |
4507 | } | |
4508 | ||
4509 | /* | |
4510 | * Then execute the command... | |
4511 | */ | |
4512 | ||
4513 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
f7deaa1a | 4514 | -1, -1, root, &pid) < 0) |
ef416fc2 | 4515 | { |
4516 | /* | |
4517 | * Error - can't fork! | |
4518 | */ | |
4519 | ||
4520 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to fork for CGI %s - %s", argv[0], | |
4521 | strerror(errno)); | |
4522 | ||
4523 | cupsdClosePipe(fds); | |
4524 | pid = 0; | |
4525 | } | |
4526 | else | |
4527 | { | |
4528 | /* | |
4529 | * Fork successful - return the PID... | |
4530 | */ | |
4531 | ||
4532 | if (con->username[0]) | |
4533 | cupsdAddCert(pid, con->username); | |
4534 | ||
355e94dc MS |
4535 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] %s started - PID = %d", |
4536 | command, pid); | |
ef416fc2 | 4537 | |
4538 | *outfile = fds[0]; | |
4539 | close(fds[1]); | |
4540 | } | |
4541 | ||
ef416fc2 | 4542 | return (pid); |
4543 | } | |
4544 | ||
4545 | ||
4546 | /* | |
a74454a7 | 4547 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 4548 | */ |
4549 | ||
4550 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 4551 | write_file(cupsd_client_t *con, /* I - Client connection */ |
4552 | http_status_t code, /* I - HTTP status */ | |
4553 | char *filename, /* I - Filename */ | |
4554 | char *type, /* I - File type */ | |
4555 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 4556 | { |
4557 | con->file = open(filename, O_RDONLY); | |
4558 | ||
355e94dc | 4559 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "write_file: %d file=%d", con->http.fd, |
e1d6a774 | 4560 | con->file); |
4561 | ||
4562 | if (con->file < 0) | |
4563 | return (0); | |
4564 | ||
4565 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
4566 | ||
4567 | con->pipe_pid = 0; | |
4568 | ||
f899b121 | 4569 | if (!cupsdSendHeader(con, code, type, AUTH_NONE)) |
e1d6a774 | 4570 | return (0); |
4571 | ||
4572 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
4573 | httpGetDateString(filestats->st_mtime)) < 0) | |
4574 | return (0); | |
4575 | if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n", | |
4576 | CUPS_LLCAST filestats->st_size) < 0) | |
4577 | return (0); | |
4578 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
4579 | return (0); | |
4580 | ||
07725fee | 4581 | if (cupsdFlushHeader(con) < 0) |
4582 | return (0); | |
d09495fa | 4583 | |
e1d6a774 | 4584 | con->http.data_encoding = HTTP_ENCODE_LENGTH; |
4585 | con->http.data_remaining = filestats->st_size; | |
4586 | ||
4587 | if (con->http.data_remaining <= INT_MAX) | |
4588 | con->http._data_remaining = con->http.data_remaining; | |
4589 | else | |
4590 | con->http._data_remaining = INT_MAX; | |
4591 | ||
f7deaa1a | 4592 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, |
4593 | (cupsd_selfunc_t)cupsdWriteClient, con); | |
e1d6a774 | 4594 | |
4595 | return (1); | |
4596 | } | |
4597 | ||
4598 | ||
4599 | /* | |
f899b121 | 4600 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
4601 | */ | |
4602 | ||
4603 | static void | |
4604 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
4605 | { | |
4606 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "write_pipe: CGI output on fd %d...", | |
4607 | con->file); | |
4608 | ||
4609 | con->file_ready = 1; | |
4610 | ||
4611 | cupsdRemoveSelect(con->file); | |
4612 | cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con); | |
4613 | } | |
4614 | ||
4615 | ||
4616 | /* | |
db1f069b | 4617 | * End of "$Id: client.c 6799 2007-08-15 19:33:36Z mike $". |
ef416fc2 | 4618 | */ |