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Commit | Line | Data |
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ef416fc2 | 1 | /* |
5ec1fd3d | 2 | * Client routines for the CUPS scheduler. |
ef416fc2 | 3 | * |
5e6c3df7 | 4 | * Copyright 2007-2015 by Apple Inc. |
5ec1fd3d | 5 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
f7deaa1a | 6 | * |
5ec1fd3d MS |
7 | * This file contains Kerberos support code, copyright 2006 by |
8 | * Jelmer Vernooij. | |
ef416fc2 | 9 | * |
5ec1fd3d MS |
10 | * These coded instructions, statements, and computer programs are the |
11 | * property of Apple Inc. and are protected by Federal copyright | |
12 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
13 | * which should have been included with this file. If this file is | |
14 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 15 | */ |
16 | ||
17 | /* | |
18 | * Include necessary headers... | |
19 | */ | |
20 | ||
5ec1fd3d | 21 | #define _CUPS_NO_DEPRECATED |
d21dc0ed | 22 | #define _HTTP_NO_PRIVATE |
ef416fc2 | 23 | #include "cupsd.h" |
24 | ||
cb7f98ee MS |
25 | #ifdef __APPLE__ |
26 | # include <libproc.h> | |
27 | #endif /* __APPLE__ */ | |
749b1e90 MS |
28 | #ifdef HAVE_TCPD_H |
29 | # include <tcpd.h> | |
30 | #endif /* HAVE_TCPD_H */ | |
31 | ||
ef416fc2 | 32 | |
33 | /* | |
34 | * Local functions... | |
35 | */ | |
36 | ||
37 | static int check_if_modified(cupsd_client_t *con, | |
38 | struct stat *filestats); | |
3dfe78b3 MS |
39 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
40 | void *data); | |
d3d89474 MS |
41 | #ifdef HAVE_SSL |
42 | static int cupsd_start_tls(cupsd_client_t *con, http_encryption_t e); | |
43 | #endif /* HAVE_SSL */ | |
f7deaa1a | 44 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
07623986 | 45 | char *filename, size_t len); |
c41769ff | 46 | static http_status_t install_cupsd_conf(cupsd_client_t *con); |
e1d6a774 | 47 | static int is_cgi(cupsd_client_t *con, const char *filename, |
48 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 49 | static int is_path_absolute(const char *path); |
50 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, | |
51 | char *command, char *options, int root); | |
e07d4801 | 52 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 53 | static int write_file(cupsd_client_t *con, http_status_t code, |
54 | char *filename, char *type, | |
55 | struct stat *filestats); | |
f899b121 | 56 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 57 | |
58 | ||
59 | /* | |
60 | * 'cupsdAcceptClient()' - Accept a new client. | |
61 | */ | |
62 | ||
63 | void | |
64 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
65 | { | |
48bd1142 | 66 | const char *hostname; /* Hostname of client */ |
996acce8 | 67 | char name[256]; /* Hostname of client */ |
ef416fc2 | 68 | int count; /* Count of connections on a host */ |
bd7854cb | 69 | cupsd_client_t *con, /* New client pointer */ |
70 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 71 | socklen_t addrlen; /* Length of address */ |
ef416fc2 | 72 | http_addr_t temp; /* Temporary address variable */ |
73 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
74 | #ifdef HAVE_TCPD_H |
75 | struct request_info wrap_req; /* TCP wrappers request information */ | |
76 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 77 | |
78 | ||
ffe32673 | 79 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAcceptClient(lis=%p(%d)) Clients=%d", lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 80 | |
81 | /* | |
82 | * Make sure we don't have a full set of clients already... | |
83 | */ | |
84 | ||
bd7854cb | 85 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 86 | return; |
87 | ||
88 | /* | |
89 | * Get a pointer to the next available client... | |
90 | */ | |
91 | ||
bd7854cb | 92 | if (!Clients) |
93 | Clients = cupsArrayNew(NULL, NULL); | |
94 | ||
95 | if (!Clients) | |
91c84a35 MS |
96 | { |
97 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
98 | "Unable to allocate memory for clients array!"); |
99 | cupsdPauseListening(); | |
100 | return; | |
101 | } | |
102 | ||
103 | if (!ActiveClients) | |
104 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
105 | ||
106 | if (!ActiveClients) | |
107 | { | |
108 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
109 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 110 | cupsdPauseListening(); |
bd7854cb | 111 | return; |
91c84a35 | 112 | } |
bd7854cb | 113 | |
91c84a35 MS |
114 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
115 | { | |
116 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
117 | cupsdPauseListening(); | |
118 | return; | |
119 | } | |
ef416fc2 | 120 | |
ef416fc2 | 121 | /* |
122 | * Accept the client and get the remote address... | |
123 | */ | |
124 | ||
996acce8 MS |
125 | con->number = ++ LastClientNumber; |
126 | con->file = -1; | |
ef416fc2 | 127 | |
996acce8 | 128 | if ((con->http = httpAcceptConnection(lis->fd, 0)) == NULL) |
ef416fc2 | 129 | { |
76cd9e37 MS |
130 | if (errno == ENFILE || errno == EMFILE) |
131 | cupsdPauseListening(); | |
132 | ||
ef416fc2 | 133 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
134 | strerror(errno)); | |
bd7854cb | 135 | free(con); |
76cd9e37 | 136 | |
ef416fc2 | 137 | return; |
138 | } | |
139 | ||
22c9029b | 140 | /* |
996acce8 | 141 | * Save the connected address and port number... |
22c9029b | 142 | */ |
ef416fc2 | 143 | |
cd1a83ea MS |
144 | addrlen = sizeof(con->clientaddr); |
145 | ||
146 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&con->clientaddr, &addrlen) || addrlen == 0) | |
147 | con->clientaddr = lis->address; | |
148 | ||
149 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Server address is \"%s\".", httpAddrString(&con->clientaddr, name, sizeof(name))); | |
ef416fc2 | 150 | |
ef416fc2 | 151 | /* |
152 | * Check the number of clients on the same address... | |
153 | */ | |
154 | ||
bd7854cb | 155 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
156 | tempcon; | |
157 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 158 | if (httpAddrEqual(httpGetAddress(tempcon->http), httpGetAddress(con->http))) |
ef416fc2 | 159 | { |
160 | count ++; | |
161 | if (count >= MaxClientsPerHost) | |
162 | break; | |
163 | } | |
164 | ||
165 | if (count >= MaxClientsPerHost) | |
166 | { | |
167 | if ((time(NULL) - last_dos) >= 60) | |
168 | { | |
169 | last_dos = time(NULL); | |
170 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 171 | "Possible DoS attack - more than %d clients connecting " |
996acce8 | 172 | "from %s.", |
749b1e90 | 173 | MaxClientsPerHost, |
996acce8 | 174 | httpGetHostname(con->http, name, sizeof(name))); |
ef416fc2 | 175 | } |
176 | ||
996acce8 | 177 | httpClose(con->http); |
bd7854cb | 178 | free(con); |
ef416fc2 | 179 | return; |
180 | } | |
181 | ||
182 | /* | |
183 | * Get the hostname or format the IP address as needed... | |
184 | */ | |
185 | ||
48bd1142 MS |
186 | if (HostNameLookups) |
187 | hostname = httpResolveHostname(con->http, NULL, 0); | |
ef416fc2 | 188 | else |
48bd1142 | 189 | hostname = httpGetHostname(con->http, NULL, 0); |
ef416fc2 | 190 | |
191 | if (hostname == NULL && HostNameLookups == 2) | |
192 | { | |
193 | /* | |
194 | * Can't have an unresolved IP address with double-lookups enabled... | |
195 | */ | |
196 | ||
996acce8 | 197 | httpClose(con->http); |
ef416fc2 | 198 | |
996acce8 | 199 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 200 | "Name lookup failed - connection from %s closed!", |
5ec1fd3d | 201 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 202 | |
203 | free(con); | |
ef416fc2 | 204 | return; |
205 | } | |
206 | ||
207 | if (HostNameLookups == 2) | |
208 | { | |
209 | /* | |
210 | * Do double lookups as needed... | |
211 | */ | |
212 | ||
48bd1142 MS |
213 | http_addrlist_t *addrlist, /* List of addresses */ |
214 | *addr; /* Current address */ | |
215 | ||
216 | if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, NULL)) != NULL) | |
ef416fc2 | 217 | { |
218 | /* | |
219 | * See if the hostname maps to the same IP address... | |
220 | */ | |
221 | ||
222 | for (addr = addrlist; addr; addr = addr->next) | |
5ec1fd3d | 223 | if (httpAddrEqual(httpGetAddress(con->http), &(addr->addr))) |
ef416fc2 | 224 | break; |
225 | } | |
226 | else | |
227 | addr = NULL; | |
228 | ||
229 | httpAddrFreeList(addrlist); | |
230 | ||
231 | if (!addr) | |
232 | { | |
233 | /* | |
234 | * Can't have a hostname that doesn't resolve to the same IP address | |
235 | * with double-lookups enabled... | |
236 | */ | |
237 | ||
996acce8 | 238 | httpClose(con->http); |
ef416fc2 | 239 | |
996acce8 | 240 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 241 | "IP lookup failed - connection from %s closed!", |
5ec1fd3d | 242 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 243 | free(con); |
ef416fc2 | 244 | return; |
245 | } | |
246 | } | |
247 | ||
749b1e90 MS |
248 | #ifdef HAVE_TCPD_H |
249 | /* | |
250 | * See if the connection is denied by TCP wrappers... | |
251 | */ | |
252 | ||
996acce8 MS |
253 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, httpGetFd(con->http), |
254 | NULL); | |
749b1e90 MS |
255 | fromhost(&wrap_req); |
256 | ||
257 | if (!hosts_access(&wrap_req)) | |
258 | { | |
996acce8 | 259 | httpClose(con->http); |
749b1e90 | 260 | |
996acce8 | 261 | cupsdLogClient(con, CUPSD_LOG_WARN, |
749b1e90 | 262 | "Connection from %s refused by /etc/hosts.allow and " |
5ec1fd3d | 263 | "/etc/hosts.deny rules.", httpGetHostname(con->http, NULL, 0)); |
749b1e90 MS |
264 | free(con); |
265 | return; | |
266 | } | |
267 | #endif /* HAVE_TCPD_H */ | |
268 | ||
ef416fc2 | 269 | #ifdef AF_LOCAL |
5ec1fd3d | 270 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
cb7f98ee MS |
271 | { |
272 | # ifdef __APPLE__ | |
273 | socklen_t peersize; /* Size of peer credentials */ | |
274 | pid_t peerpid; /* Peer process ID */ | |
996acce8 | 275 | char peername[256]; /* Name of process */ |
cb7f98ee MS |
276 | |
277 | peersize = sizeof(peerpid); | |
3e4dcdb9 | 278 | if (!getsockopt(httpGetFd(con->http), SOL_LOCAL, LOCAL_PEERPID, &peerpid, |
996acce8 | 279 | &peersize)) |
cb7f98ee | 280 | { |
3e4dcdb9 | 281 | if (!proc_name((int)peerpid, peername, sizeof(peername))) |
996acce8 MS |
282 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
283 | "Accepted from %s (Domain ???[%d])", | |
5ec1fd3d | 284 | httpGetHostname(con->http, NULL, 0), (int)peerpid); |
cb7f98ee | 285 | else |
996acce8 MS |
286 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
287 | "Accepted from %s (Domain %s[%d])", | |
3e4dcdb9 | 288 | httpGetHostname(con->http, NULL, 0), peername, (int)peerpid); |
cb7f98ee MS |
289 | } |
290 | else | |
291 | # endif /* __APPLE__ */ | |
292 | ||
996acce8 | 293 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s (Domain)", |
5ec1fd3d | 294 | httpGetHostname(con->http, NULL, 0)); |
cb7f98ee | 295 | } |
ef416fc2 | 296 | else |
297 | #endif /* AF_LOCAL */ | |
996acce8 | 298 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s:%d (IPv%d)", |
5ec1fd3d MS |
299 | httpGetHostname(con->http, NULL, 0), |
300 | httpAddrPort(httpGetAddress(con->http)), | |
301 | httpAddrFamily(httpGetAddress(con->http)) == AF_INET ? 4 : 6); | |
ef416fc2 | 302 | |
303 | /* | |
304 | * Get the local address the client connected to... | |
305 | */ | |
306 | ||
307 | addrlen = sizeof(temp); | |
996acce8 | 308 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&temp, &addrlen)) |
ef416fc2 | 309 | { |
996acce8 MS |
310 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get local address - %s", |
311 | strerror(errno)); | |
ef416fc2 | 312 | |
5a9febac | 313 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
ef416fc2 | 314 | con->serverport = LocalPort; |
315 | } | |
22c9029b | 316 | #ifdef AF_LOCAL |
5ec1fd3d | 317 | else if (httpAddrFamily(&temp) == AF_LOCAL) |
22c9029b | 318 | { |
5a9febac | 319 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
22c9029b MS |
320 | con->serverport = LocalPort; |
321 | } | |
322 | #endif /* AF_LOCAL */ | |
ef416fc2 | 323 | else |
324 | { | |
22c9029b MS |
325 | if (httpAddrLocalhost(&temp)) |
326 | strlcpy(con->servername, "localhost", sizeof(con->servername)); | |
6961465f | 327 | else if (HostNameLookups) |
22c9029b | 328 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
ef416fc2 | 329 | else |
22c9029b | 330 | httpAddrString(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e | 331 | |
a469f8a5 | 332 | con->serverport = httpAddrPort(&(lis->address)); |
ef416fc2 | 333 | } |
334 | ||
dcb445bc MS |
335 | /* |
336 | * Add the connection to the array of active clients... | |
337 | */ | |
338 | ||
bd7854cb | 339 | cupsArrayAdd(Clients, con); |
340 | ||
ef416fc2 | 341 | /* |
b9faaae1 | 342 | * Add the socket to the server select. |
ef416fc2 | 343 | */ |
344 | ||
996acce8 MS |
345 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, |
346 | con); | |
ef416fc2 | 347 | |
996acce8 | 348 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 349 | |
ef416fc2 | 350 | /* |
351 | * Temporarily suspend accept()'s until we lose a client... | |
352 | */ | |
353 | ||
bd7854cb | 354 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 355 | cupsdPauseListening(); |
356 | ||
357 | #ifdef HAVE_SSL | |
358 | /* | |
359 | * See if we are connecting on a secure port... | |
360 | */ | |
361 | ||
5ec1fd3d | 362 | if (lis->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 363 | { |
364 | /* | |
365 | * https connection; go secure... | |
366 | */ | |
367 | ||
d3d89474 | 368 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
411affcf | 369 | cupsdCloseClient(con); |
ef416fc2 | 370 | } |
371 | else | |
372 | con->auto_ssl = 1; | |
373 | #endif /* HAVE_SSL */ | |
374 | } | |
375 | ||
376 | ||
377 | /* | |
378 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
379 | */ | |
380 | ||
381 | void | |
382 | cupsdCloseAllClients(void) | |
383 | { | |
bd7854cb | 384 | cupsd_client_t *con; /* Current client */ |
385 | ||
386 | ||
ffe32673 | 387 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", cupsArrayCount(Clients)); |
b9faaae1 | 388 | |
bd7854cb | 389 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
390 | con; | |
391 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
49d87452 MS |
392 | if (cupsdCloseClient(con)) |
393 | cupsdCloseClient(con); | |
ef416fc2 | 394 | } |
395 | ||
396 | ||
397 | /* | |
398 | * 'cupsdCloseClient()' - Close a remote client. | |
399 | */ | |
400 | ||
401 | int /* O - 1 if partial close, 0 if fully closed */ | |
402 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
403 | { | |
404 | int partial; /* Do partial close for SSL? */ | |
ef416fc2 | 405 | |
406 | ||
996acce8 | 407 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing connection."); |
ef416fc2 | 408 | |
409 | /* | |
410 | * Flush pending writes before closing... | |
411 | */ | |
412 | ||
996acce8 | 413 | httpFlushWrite(con->http); |
ef416fc2 | 414 | |
415 | partial = 0; | |
416 | ||
ef416fc2 | 417 | if (con->pipe_pid != 0) |
418 | { | |
419 | /* | |
420 | * Stop any CGI process... | |
421 | */ | |
422 | ||
ef416fc2 | 423 | cupsdEndProcess(con->pipe_pid, 1); |
424 | con->pipe_pid = 0; | |
425 | } | |
426 | ||
427 | if (con->file >= 0) | |
428 | { | |
f7deaa1a | 429 | cupsdRemoveSelect(con->file); |
ef416fc2 | 430 | |
ef416fc2 | 431 | close(con->file); |
432 | con->file = -1; | |
433 | } | |
434 | ||
435 | /* | |
436 | * Close the socket and clear the file from the input set for select()... | |
437 | */ | |
438 | ||
996acce8 | 439 | if (httpGetFd(con->http) >= 0) |
ef416fc2 | 440 | { |
3dfe78b3 MS |
441 | cupsArrayRemove(ActiveClients, con); |
442 | cupsdSetBusyState(); | |
443 | ||
5ec1fd3d MS |
444 | #ifdef HAVE_SSL |
445 | /* | |
446 | * Shutdown encryption as needed... | |
447 | */ | |
448 | ||
449 | if (httpIsEncrypted(con->http)) | |
450 | partial = 1; | |
451 | #endif /* HAVE_SSL */ | |
452 | ||
ef416fc2 | 453 | if (partial) |
454 | { | |
455 | /* | |
456 | * Only do a partial close so that the encrypted client gets everything. | |
457 | */ | |
458 | ||
5ec1fd3d | 459 | httpShutdown(con->http); |
996acce8 MS |
460 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
461 | NULL, con); | |
1bc82dd9 | 462 | |
996acce8 | 463 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for socket close."); |
ef416fc2 | 464 | } |
465 | else | |
466 | { | |
467 | /* | |
468 | * Shut the socket down fully... | |
469 | */ | |
470 | ||
996acce8 MS |
471 | cupsdRemoveSelect(httpGetFd(con->http)); |
472 | httpClose(con->http); | |
473 | con->http = NULL; | |
ef416fc2 | 474 | } |
475 | } | |
476 | ||
477 | if (!partial) | |
478 | { | |
479 | /* | |
480 | * Free memory... | |
481 | */ | |
482 | ||
5ec1fd3d MS |
483 | cupsdRemoveSelect(httpGetFd(con->http)); |
484 | ||
996acce8 | 485 | httpClose(con->http); |
ef416fc2 | 486 | |
5e6c3df7 MS |
487 | if (con->filename) |
488 | { | |
489 | unlink(con->filename); | |
490 | cupsdClearString(&con->filename); | |
491 | } | |
492 | ||
ef416fc2 | 493 | cupsdClearString(&con->command); |
494 | cupsdClearString(&con->options); | |
b86bc4cf | 495 | cupsdClearString(&con->query_string); |
ef416fc2 | 496 | |
497 | if (con->request) | |
498 | { | |
499 | ippDelete(con->request); | |
500 | con->request = NULL; | |
501 | } | |
502 | ||
503 | if (con->response) | |
504 | { | |
505 | ippDelete(con->response); | |
506 | con->response = NULL; | |
507 | } | |
508 | ||
509 | if (con->language) | |
510 | { | |
511 | cupsLangFree(con->language); | |
512 | con->language = NULL; | |
513 | } | |
514 | ||
f7deaa1a | 515 | #ifdef HAVE_AUTHORIZATION_H |
516 | if (con->authref) | |
517 | { | |
518 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
519 | con->authref = NULL; | |
520 | } | |
521 | #endif /* HAVE_AUTHORIZATION_H */ | |
522 | ||
ef416fc2 | 523 | /* |
524 | * Re-enable new client connections if we are going back under the | |
525 | * limit... | |
526 | */ | |
527 | ||
bd7854cb | 528 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 529 | cupsdResumeListening(); |
530 | ||
531 | /* | |
532 | * Compact the list of clients as necessary... | |
533 | */ | |
534 | ||
bd7854cb | 535 | cupsArrayRemove(Clients, con); |
ef416fc2 | 536 | |
bd7854cb | 537 | free(con); |
ef416fc2 | 538 | } |
539 | ||
540 | return (partial); | |
541 | } | |
542 | ||
543 | ||
ef416fc2 | 544 | /* |
545 | * 'cupsdReadClient()' - Read data from a client. | |
546 | */ | |
547 | ||
f7deaa1a | 548 | void |
ef416fc2 | 549 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
550 | { | |
551 | char line[32768], /* Line from client... */ | |
ef416fc2 | 552 | locale[64], /* Locale */ |
553 | *ptr; /* Pointer into strings */ | |
ef416fc2 | 554 | http_status_t status; /* Transfer status */ |
555 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
556 | int bytes; /* Number of bytes to POST */ | |
557 | char *filename; /* Name of file for GET/HEAD */ | |
558 | char buf[1024]; /* Buffer for real filename */ | |
559 | struct stat filestats; /* File information */ | |
560 | mime_type_t *type; /* MIME type of file */ | |
561 | cupsd_printer_t *p; /* Printer */ | |
562 | static unsigned request_id = 0; /* Request ID for temp files */ | |
563 | ||
564 | ||
5ec1fd3d | 565 | status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 566 | |
ffe32673 | 567 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdReadClient: error=%d, used=%d, state=%s, data_encoding=HTTP_ENCODING_%s, data_remaining=" CUPS_LLFMT ", request=%p(%s), file=%d", httpError(con->http), (int)httpGetReady(con->http), httpStateString(httpGetState(con->http)), httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", CUPS_LLCAST httpGetRemaining(con->http), con->request, con->request ? ippStateString(ippGetState(con->request)) : "", con->file); |
ef416fc2 | 568 | |
43dcaf3b MS |
569 | if (httpGetState(con->http) == HTTP_STATE_GET_SEND || |
570 | httpGetState(con->http) == HTTP_STATE_POST_SEND || | |
571 | httpGetState(con->http) == HTTP_STATE_STATUS) | |
572 | { | |
573 | /* | |
574 | * If we get called in the wrong state, then something went wrong with the | |
575 | * connection and we need to shut it down... | |
576 | */ | |
577 | ||
bb00c43f MS |
578 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
579 | { | |
580 | /* | |
581 | * Connection closed... | |
582 | */ | |
583 | ||
584 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); | |
585 | cupsdCloseClient(con); | |
586 | return; | |
587 | } | |
588 | ||
ffe32673 | 589 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.", httpStateString(httpGetState(con->http))); |
43dcaf3b MS |
590 | cupsdCloseClient(con); |
591 | return; | |
592 | } | |
593 | ||
ef416fc2 | 594 | #ifdef HAVE_SSL |
595 | if (con->auto_ssl) | |
596 | { | |
597 | /* | |
598 | * Automatically check for a SSL/TLS handshake... | |
599 | */ | |
600 | ||
601 | con->auto_ssl = 0; | |
602 | ||
996acce8 | 603 | if (recv(httpGetFd(con->http), buf, 1, MSG_PEEK) == 1 && |
ef416fc2 | 604 | (!buf[0] || !strchr("DGHOPT", buf[0]))) |
605 | { | |
606 | /* | |
607 | * Encrypt this connection... | |
608 | */ | |
609 | ||
ffe32673 | 610 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "Saw first byte %02X, auto-negotiating SSL/TLS session.", buf[0] & 255); |
ef416fc2 | 611 | |
d3d89474 | 612 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
f7deaa1a | 613 | cupsdCloseClient(con); |
411affcf | 614 | |
f7deaa1a | 615 | return; |
ef416fc2 | 616 | } |
617 | } | |
618 | #endif /* HAVE_SSL */ | |
619 | ||
5ec1fd3d | 620 | switch (httpGetState(con->http)) |
ef416fc2 | 621 | { |
cb7f98ee | 622 | case HTTP_STATE_WAITING : |
ef416fc2 | 623 | /* |
624 | * See if we've received a request line... | |
625 | */ | |
626 | ||
d21dc0ed MS |
627 | con->operation = httpReadRequest(con->http, con->uri, sizeof(con->uri)); |
628 | if (con->operation == HTTP_STATE_ERROR || | |
629 | con->operation == HTTP_STATE_UNKNOWN_METHOD || | |
630 | con->operation == HTTP_STATE_UNKNOWN_VERSION) | |
ef416fc2 | 631 | { |
d21dc0ed | 632 | if (httpError(con->http)) |
996acce8 MS |
633 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
634 | "HTTP_STATE_WAITING Closing for error %d (%s)", | |
5ec1fd3d | 635 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 636 | else |
996acce8 | 637 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
d21dc0ed MS |
638 | "HTTP_STATE_WAITING Closing on error: %s", |
639 | cupsLastErrorString()); | |
f11a948a | 640 | |
f7deaa1a | 641 | cupsdCloseClient(con); |
642 | return; | |
ef416fc2 | 643 | } |
644 | ||
645 | /* | |
646 | * Ignore blank request lines... | |
647 | */ | |
648 | ||
d21dc0ed | 649 | if (con->operation == HTTP_STATE_WAITING) |
ef416fc2 | 650 | break; |
651 | ||
652 | /* | |
653 | * Clear other state variables... | |
654 | */ | |
655 | ||
d21dc0ed MS |
656 | con->bytes = 0; |
657 | con->file = -1; | |
658 | con->file_ready = 0; | |
659 | con->pipe_pid = 0; | |
660 | con->username[0] = '\0'; | |
661 | con->password[0] = '\0'; | |
ef416fc2 | 662 | |
663 | cupsdClearString(&con->command); | |
664 | cupsdClearString(&con->options); | |
b86bc4cf | 665 | cupsdClearString(&con->query_string); |
ef416fc2 | 666 | |
2abf387c | 667 | if (con->request) |
668 | { | |
669 | ippDelete(con->request); | |
670 | con->request = NULL; | |
671 | } | |
672 | ||
673 | if (con->response) | |
674 | { | |
675 | ippDelete(con->response); | |
676 | con->response = NULL; | |
677 | } | |
678 | ||
679 | if (con->language) | |
ef416fc2 | 680 | { |
681 | cupsLangFree(con->language); | |
682 | con->language = NULL; | |
683 | } | |
684 | ||
09a101d6 | 685 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 686 | con->have_gss = 0; |
07ed0e9a | 687 | con->gss_uid = 0; |
09a101d6 | 688 | #endif /* HAVE_GSSAPI */ |
689 | ||
ef416fc2 | 690 | /* |
691 | * Handle full URLs in the request line... | |
692 | */ | |
693 | ||
694 | if (strcmp(con->uri, "*")) | |
695 | { | |
e6013cfa | 696 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 697 | userpass[HTTP_MAX_URI], /* Username:password */ |
698 | hostname[HTTP_MAX_URI], /* Hostname */ | |
699 | resource[HTTP_MAX_URI]; /* Resource path */ | |
700 | int port; /* Port number */ | |
701 | ||
ef416fc2 | 702 | /* |
703 | * Separate the URI into its components... | |
704 | */ | |
705 | ||
d21dc0ed MS |
706 | if (httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
707 | scheme, sizeof(scheme), | |
708 | userpass, sizeof(userpass), | |
709 | hostname, sizeof(hostname), &port, | |
710 | resource, sizeof(resource)) < HTTP_URI_STATUS_OK) | |
711 | { | |
712 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", | |
713 | con->uri); | |
714 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); | |
715 | cupsdCloseClient(con); | |
716 | return; | |
717 | } | |
ef416fc2 | 718 | |
d21dc0ed | 719 | /* |
ef416fc2 | 720 | * Only allow URIs with the servername, localhost, or an IP |
721 | * address... | |
722 | */ | |
723 | ||
e6013cfa | 724 | if (strcmp(scheme, "file") && |
88f9aafc MS |
725 | _cups_strcasecmp(hostname, ServerName) && |
726 | _cups_strcasecmp(hostname, "localhost") && | |
d21dc0ed | 727 | !cupsArrayFind(ServerAlias, hostname) && |
e6013cfa | 728 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 729 | { |
730 | /* | |
731 | * Nope, we don't do proxies... | |
732 | */ | |
733 | ||
996acce8 MS |
734 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", |
735 | con->uri); | |
5ec1fd3d | 736 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 737 | cupsdCloseClient(con); |
738 | return; | |
ef416fc2 | 739 | } |
740 | ||
741 | /* | |
742 | * Copy the resource portion back into the URI; both resource and | |
743 | * con->uri are HTTP_MAX_URI bytes in size... | |
744 | */ | |
745 | ||
5a9febac | 746 | strlcpy(con->uri, resource, sizeof(con->uri)); |
ef416fc2 | 747 | } |
748 | ||
749 | /* | |
750 | * Process the request... | |
751 | */ | |
752 | ||
dfd5680b | 753 | gettimeofday(&(con->start), NULL); |
ef416fc2 | 754 | |
996acce8 | 755 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%s %s HTTP/%d.%d", |
a73ca01e | 756 | httpStateString(con->operation) + 11, con->uri, |
d21dc0ed MS |
757 | httpGetVersion(con->http) / 100, |
758 | httpGetVersion(con->http) % 100); | |
ef416fc2 | 759 | |
49d87452 MS |
760 | if (!cupsArrayFind(ActiveClients, con)) |
761 | { | |
762 | cupsArrayAdd(ActiveClients, con); | |
763 | cupsdSetBusyState(); | |
764 | } | |
3dfe78b3 | 765 | |
cb7f98ee MS |
766 | case HTTP_STATE_OPTIONS : |
767 | case HTTP_STATE_DELETE : | |
768 | case HTTP_STATE_GET : | |
769 | case HTTP_STATE_HEAD : | |
770 | case HTTP_STATE_POST : | |
771 | case HTTP_STATE_PUT : | |
772 | case HTTP_STATE_TRACE : | |
ef416fc2 | 773 | /* |
774 | * Parse incoming parameters until the status changes... | |
775 | */ | |
776 | ||
5ec1fd3d MS |
777 | while ((status = httpUpdate(con->http)) == HTTP_STATUS_CONTINUE) |
778 | if (!httpGetReady(con->http)) | |
f7deaa1a | 779 | break; |
ef416fc2 | 780 | |
5ec1fd3d | 781 | if (status != HTTP_STATUS_OK && status != HTTP_STATUS_CONTINUE) |
ef416fc2 | 782 | { |
5ec1fd3d | 783 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
784 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
785 | "Closing for error %d (%s) while reading headers.", | |
5ec1fd3d | 786 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 787 | else |
996acce8 MS |
788 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
789 | "Closing on EOF while reading headers."); | |
f11a948a | 790 | |
5ec1fd3d | 791 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 792 | cupsdCloseClient(con); |
793 | return; | |
ef416fc2 | 794 | } |
795 | break; | |
796 | ||
797 | default : | |
5ec1fd3d | 798 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
e6013cfa MS |
799 | { |
800 | /* | |
801 | * Connection closed... | |
802 | */ | |
803 | ||
996acce8 | 804 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); |
e6013cfa MS |
805 | cupsdCloseClient(con); |
806 | return; | |
807 | } | |
ef416fc2 | 808 | break; /* Anti-compiler-warning-code */ |
809 | } | |
810 | ||
811 | /* | |
812 | * Handle new transfers... | |
813 | */ | |
814 | ||
dfc45c1b MS |
815 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Read: status=%d", status); |
816 | ||
5ec1fd3d | 817 | if (status == HTTP_STATUS_OK) |
ef416fc2 | 818 | { |
5ec1fd3d | 819 | if (httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)[0]) |
ef416fc2 | 820 | { |
821 | /* | |
822 | * Figure out the locale from the Accept-Language and Content-Type | |
823 | * fields... | |
824 | */ | |
825 | ||
5ec1fd3d | 826 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 827 | ',')) != NULL) |
ef416fc2 | 828 | *ptr = '\0'; |
829 | ||
5ec1fd3d | 830 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 831 | ';')) != NULL) |
ef416fc2 | 832 | *ptr = '\0'; |
833 | ||
5ec1fd3d | 834 | if ((ptr = strstr(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
f11a948a | 835 | "charset=")) != NULL) |
ef416fc2 | 836 | { |
837 | /* | |
838 | * Combine language and charset, and trim any extra params in the | |
839 | * content-type. | |
840 | */ | |
841 | ||
842 | snprintf(locale, sizeof(locale), "%s.%s", | |
5ec1fd3d | 843 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), ptr + 8); |
ef416fc2 | 844 | |
845 | if ((ptr = strchr(locale, ',')) != NULL) | |
846 | *ptr = '\0'; | |
847 | } | |
848 | else | |
f8b3a85b | 849 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
5ec1fd3d | 850 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)); |
d6ae789d | 851 | |
ef416fc2 | 852 | con->language = cupsLangGet(locale); |
853 | } | |
854 | else | |
855 | con->language = cupsLangGet(DefaultLocale); | |
856 | ||
857 | cupsdAuthorize(con); | |
858 | ||
5ec1fd3d | 859 | if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
85dda01c | 860 | "Keep-Alive", 10) && KeepAlive) |
5ec1fd3d MS |
861 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); |
862 | else if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), | |
85dda01c | 863 | "close", 5)) |
5ec1fd3d | 864 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 865 | |
5ec1fd3d MS |
866 | if (!httpGetField(con->http, HTTP_FIELD_HOST)[0] && |
867 | httpGetVersion(con->http) >= HTTP_VERSION_1_1) | |
ef416fc2 | 868 | { |
869 | /* | |
870 | * HTTP/1.1 and higher require the "Host:" field... | |
871 | */ | |
872 | ||
5ec1fd3d | 873 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 874 | { |
996acce8 | 875 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Host: field in request."); |
f7deaa1a | 876 | cupsdCloseClient(con); |
877 | return; | |
878 | } | |
ef416fc2 | 879 | } |
e07d4801 | 880 | else if (!valid_host(con)) |
e6013cfa MS |
881 | { |
882 | /* | |
883 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
884 | * or IPv6 values in the Host: field. | |
885 | */ | |
886 | ||
996acce8 MS |
887 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
888 | "Request from \"%s\" using invalid Host: field \"%s\".", | |
5ec1fd3d | 889 | httpGetHostname(con->http, NULL, 0), httpGetField(con->http, HTTP_FIELD_HOST)); |
e6013cfa | 890 | |
5ec1fd3d | 891 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
e6013cfa MS |
892 | { |
893 | cupsdCloseClient(con); | |
894 | return; | |
895 | } | |
896 | } | |
cb7f98ee | 897 | else if (con->operation == HTTP_STATE_OPTIONS) |
ef416fc2 | 898 | { |
899 | /* | |
900 | * Do OPTIONS command... | |
901 | */ | |
902 | ||
5bd77a73 | 903 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 904 | { |
a73ca01e MS |
905 | httpClearFields(con->http); |
906 | ||
5ec1fd3d | 907 | if (!cupsdSendHeader(con, HTTP_STATUS_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 908 | { |
909 | cupsdCloseClient(con); | |
910 | return; | |
911 | } | |
ef416fc2 | 912 | } |
913 | ||
a80b2360 | 914 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), "Upgrade") && strstr(httpGetField(con->http, HTTP_FIELD_UPGRADE), "TLS/") != NULL && !httpIsEncrypted(con->http)) |
ef416fc2 | 915 | { |
916 | #ifdef HAVE_SSL | |
917 | /* | |
918 | * Do encryption stuff... | |
919 | */ | |
920 | ||
a73ca01e | 921 | httpClearFields(con->http); |
ef416fc2 | 922 | |
e200616a MS |
923 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
924 | { | |
925 | cupsdCloseClient(con); | |
926 | return; | |
927 | } | |
e200616a | 928 | |
d3d89474 | 929 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 930 | { |
931 | cupsdCloseClient(con); | |
932 | return; | |
933 | } | |
ef416fc2 | 934 | #else |
7d5824d6 | 935 | if (!cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 936 | { |
937 | cupsdCloseClient(con); | |
938 | return; | |
939 | } | |
ef416fc2 | 940 | #endif /* HAVE_SSL */ |
941 | } | |
942 | ||
a73ca01e | 943 | httpClearFields(con->http); |
e200616a MS |
944 | httpSetField(con->http, HTTP_FIELD_ALLOW, |
945 | "GET, HEAD, OPTIONS, POST, PUT"); | |
946 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
947 | ||
948 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) | |
949 | { | |
950 | cupsdCloseClient(con); | |
951 | return; | |
952 | } | |
ef416fc2 | 953 | } |
954 | else if (!is_path_absolute(con->uri)) | |
955 | { | |
956 | /* | |
957 | * Protect against malicious users! | |
958 | */ | |
959 | ||
996acce8 MS |
960 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
961 | "Request for non-absolute resource \"%s\".", con->uri); | |
bf3816c7 | 962 | |
5ec1fd3d | 963 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 964 | { |
965 | cupsdCloseClient(con); | |
966 | return; | |
967 | } | |
ef416fc2 | 968 | } |
969 | else | |
970 | { | |
5ec1fd3d | 971 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
d21dc0ed | 972 | "Upgrade") && !httpIsEncrypted(con->http)) |
ef416fc2 | 973 | { |
974 | #ifdef HAVE_SSL | |
975 | /* | |
976 | * Do encryption stuff... | |
977 | */ | |
978 | ||
a73ca01e | 979 | httpClearFields(con->http); |
ef416fc2 | 980 | |
e200616a MS |
981 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, |
982 | CUPSD_AUTH_NONE)) | |
983 | { | |
984 | cupsdCloseClient(con); | |
985 | return; | |
986 | } | |
ef416fc2 | 987 | |
d3d89474 | 988 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 989 | { |
990 | cupsdCloseClient(con); | |
991 | return; | |
992 | } | |
ef416fc2 | 993 | #else |
7d5824d6 | 994 | if (!cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 995 | { |
996 | cupsdCloseClient(con); | |
997 | return; | |
998 | } | |
ef416fc2 | 999 | #endif /* HAVE_SSL */ |
1000 | } | |
1001 | ||
5ec1fd3d | 1002 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_STATUS_OK) |
ef416fc2 | 1003 | { |
5bd77a73 | 1004 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1005 | cupsdCloseClient(con); |
1006 | return; | |
ef416fc2 | 1007 | } |
1008 | ||
d21dc0ed | 1009 | if (httpGetExpect(con->http) && |
cb7f98ee | 1010 | (con->operation == HTTP_STATE_POST || con->operation == HTTP_STATE_PUT)) |
ef416fc2 | 1011 | { |
d21dc0ed | 1012 | if (httpGetExpect(con->http) == HTTP_STATUS_CONTINUE) |
b423cd4c | 1013 | { |
1014 | /* | |
1015 | * Send 100-continue header... | |
1016 | */ | |
1017 | ||
a73ca01e | 1018 | if (httpWriteResponse(con->http, HTTP_STATUS_CONTINUE)) |
f7deaa1a | 1019 | { |
1020 | cupsdCloseClient(con); | |
1021 | return; | |
1022 | } | |
b423cd4c | 1023 | } |
1024 | else | |
1025 | { | |
1026 | /* | |
1027 | * Send 417-expectation-failed header... | |
1028 | */ | |
1029 | ||
a73ca01e | 1030 | httpClearFields(con->http); |
e200616a MS |
1031 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); |
1032 | ||
a73ca01e MS |
1033 | cupsdSendError(con, HTTP_STATUS_EXPECTATION_FAILED, CUPSD_AUTH_NONE); |
1034 | cupsdCloseClient(con); | |
1035 | return; | |
b423cd4c | 1036 | } |
ef416fc2 | 1037 | } |
1038 | ||
5ec1fd3d | 1039 | switch (httpGetState(con->http)) |
ef416fc2 | 1040 | { |
cb7f98ee | 1041 | case HTTP_STATE_GET_SEND : |
dfc45c1b MS |
1042 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Processing GET %s", con->uri); |
1043 | ||
db8b865d | 1044 | if ((!strncmp(con->uri, "/ppd/", 5) || |
6961465f MS |
1045 | !strncmp(con->uri, "/printers/", 10) || |
1046 | !strncmp(con->uri, "/classes/", 9)) && | |
ef416fc2 | 1047 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) |
1048 | { | |
1049 | /* | |
1050 | * Send PPD file - get the real printer name since printer | |
1051 | * names are not case sensitive but filenames can be... | |
1052 | */ | |
1053 | ||
1054 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1055 | ||
db8b865d MS |
1056 | if (!strncmp(con->uri, "/ppd/", 5)) |
1057 | p = cupsdFindPrinter(con->uri + 5); | |
6961465f | 1058 | else if (!strncmp(con->uri, "/printers/", 10)) |
db8b865d | 1059 | p = cupsdFindPrinter(con->uri + 10); |
6961465f MS |
1060 | else |
1061 | { | |
1062 | p = cupsdFindClass(con->uri + 9); | |
1063 | ||
1064 | if (p) | |
1065 | { | |
1066 | int i; /* Looping var */ | |
1067 | ||
1068 | for (i = 0; i < p->num_printers; i ++) | |
1069 | { | |
1070 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1071 | { | |
1072 | char ppdname[1024];/* PPD filename */ | |
1073 | ||
1074 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1075 | ServerRoot, p->printers[i]->name); | |
1076 | if (!access(ppdname, 0)) | |
1077 | { | |
1078 | p = p->printers[i]; | |
1079 | break; | |
1080 | } | |
1081 | } | |
1082 | } | |
1083 | ||
1084 | if (i >= p->num_printers) | |
1085 | p = NULL; | |
1086 | } | |
1087 | } | |
db8b865d MS |
1088 | |
1089 | if (p) | |
1090 | { | |
ef416fc2 | 1091 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); |
db8b865d | 1092 | } |
ef416fc2 | 1093 | else |
1094 | { | |
5ec1fd3d | 1095 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1096 | { |
1097 | cupsdCloseClient(con); | |
1098 | return; | |
1099 | } | |
ef416fc2 | 1100 | |
1101 | break; | |
1102 | } | |
1103 | } | |
db8b865d MS |
1104 | else if ((!strncmp(con->uri, "/icons/", 7) || |
1105 | !strncmp(con->uri, "/printers/", 10) || | |
7cf5915e MS |
1106 | !strncmp(con->uri, "/classes/", 9)) && |
1107 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1108 | { | |
1109 | /* | |
1110 | * Send icon file - get the real queue name since queue names are | |
1111 | * not case sensitive but filenames can be... | |
1112 | */ | |
1113 | ||
1114 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1115 | ||
db8b865d MS |
1116 | if (!strncmp(con->uri, "/icons/", 7)) |
1117 | p = cupsdFindPrinter(con->uri + 7); | |
1118 | else if (!strncmp(con->uri, "/printers/", 10)) | |
7cf5915e MS |
1119 | p = cupsdFindPrinter(con->uri + 10); |
1120 | else | |
6961465f MS |
1121 | { |
1122 | p = cupsdFindClass(con->uri + 9); | |
1123 | ||
1124 | if (p) | |
1125 | { | |
1126 | int i; /* Looping var */ | |
1127 | ||
1128 | for (i = 0; i < p->num_printers; i ++) | |
1129 | { | |
1130 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1131 | { | |
1132 | char ppdname[1024];/* PPD filename */ | |
1133 | ||
1134 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1135 | ServerRoot, p->printers[i]->name); | |
1136 | if (!access(ppdname, 0)) | |
1137 | { | |
1138 | p = p->printers[i]; | |
1139 | break; | |
1140 | } | |
1141 | } | |
1142 | } | |
1143 | ||
1144 | if (i >= p->num_printers) | |
1145 | p = NULL; | |
1146 | } | |
1147 | } | |
7cf5915e MS |
1148 | |
1149 | if (p) | |
1150 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1151 | else | |
1152 | { | |
5ec1fd3d | 1153 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
7cf5915e MS |
1154 | { |
1155 | cupsdCloseClient(con); | |
1156 | return; | |
1157 | } | |
1158 | ||
1159 | break; | |
1160 | } | |
1161 | } | |
0268488e | 1162 | |
f07c0121 | 1163 | if ((!strncmp(con->uri, "/admin", 6) && strcmp(con->uri, "/admin/conf/cupsd.conf") && strncmp(con->uri, "/admin/log/", 11)) || |
0268488e MS |
1164 | !strncmp(con->uri, "/printers", 9) || |
1165 | !strncmp(con->uri, "/classes", 8) || | |
1166 | !strncmp(con->uri, "/help", 5) || | |
1167 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1168 | { |
f07c0121 MS |
1169 | if (!WebInterface) |
1170 | { | |
1171 | /* | |
1172 | * Web interface is disabled. Show an appropriate message... | |
1173 | */ | |
1174 | ||
1175 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) | |
1176 | { | |
1177 | cupsdCloseClient(con); | |
1178 | return; | |
1179 | } | |
1180 | ||
1181 | break; | |
1182 | } | |
1183 | ||
ef416fc2 | 1184 | /* |
1185 | * Send CGI output... | |
1186 | */ | |
1187 | ||
1188 | if (!strncmp(con->uri, "/admin", 6)) | |
1189 | { | |
1190 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1191 | ServerBin); | |
1192 | ||
b423cd4c | 1193 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1194 | } |
1195 | else if (!strncmp(con->uri, "/printers", 9)) | |
1196 | { | |
1197 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1198 | ServerBin); | |
b423cd4c | 1199 | |
1200 | if (con->uri[9] && con->uri[10]) | |
1201 | cupsdSetString(&con->options, con->uri + 9); | |
1202 | else | |
1203 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1204 | } |
1205 | else if (!strncmp(con->uri, "/classes", 8)) | |
1206 | { | |
1207 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1208 | ServerBin); | |
b423cd4c | 1209 | |
1210 | if (con->uri[8] && con->uri[9]) | |
1211 | cupsdSetString(&con->options, con->uri + 8); | |
1212 | else | |
1213 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1214 | } |
1215 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1216 | { | |
1217 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1218 | ServerBin); | |
b423cd4c | 1219 | |
1220 | if (con->uri[5] && con->uri[6]) | |
1221 | cupsdSetString(&con->options, con->uri + 5); | |
1222 | else | |
1223 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1224 | } |
1225 | else | |
1226 | { | |
1227 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1228 | ServerBin); | |
ef416fc2 | 1229 | |
b423cd4c | 1230 | if (con->uri[5] && con->uri[6]) |
1231 | cupsdSetString(&con->options, con->uri + 5); | |
1232 | else | |
1233 | cupsdSetString(&con->options, NULL); | |
1234 | } | |
ef416fc2 | 1235 | |
1236 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1237 | { | |
5ec1fd3d | 1238 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1239 | { |
1240 | cupsdCloseClient(con); | |
1241 | return; | |
1242 | } | |
ef416fc2 | 1243 | } |
1244 | else | |
5ec1fd3d | 1245 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1246 | |
d21dc0ed | 1247 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1248 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1249 | } |
f07c0121 | 1250 | else if (!strncmp(con->uri, "/admin/log/", 11) && (strchr(con->uri + 11, '/') || strlen(con->uri) == 11)) |
ef416fc2 | 1251 | { |
1252 | /* | |
bf3816c7 | 1253 | * GET can only be done to configuration files directly under |
ef416fc2 | 1254 | * /admin/conf... |
1255 | */ | |
1256 | ||
f07c0121 | 1257 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Request for subdirectory \"%s\".", con->uri); |
bf3816c7 | 1258 | |
5ec1fd3d | 1259 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1260 | { |
1261 | cupsdCloseClient(con); | |
1262 | return; | |
1263 | } | |
ef416fc2 | 1264 | |
1265 | break; | |
1266 | } | |
1267 | else | |
1268 | { | |
1269 | /* | |
1270 | * Serve a file... | |
1271 | */ | |
1272 | ||
1273 | if ((filename = get_file(con, &filestats, buf, | |
1274 | sizeof(buf))) == NULL) | |
1275 | { | |
5ec1fd3d | 1276 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1277 | { |
1278 | cupsdCloseClient(con); | |
1279 | return; | |
1280 | } | |
ef416fc2 | 1281 | |
1282 | break; | |
1283 | } | |
1284 | ||
4400e98d | 1285 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1286 | |
dfc45c1b MS |
1287 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "filename=\"%s\", type=%s/%s", filename, type ? type->super : "", type ? type->type : ""); |
1288 | ||
e1d6a774 | 1289 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1290 | { |
1291 | /* | |
1292 | * Note: con->command and con->options were set by | |
e1d6a774 | 1293 | * is_cgi()... |
ef416fc2 | 1294 | */ |
1295 | ||
1296 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1297 | { | |
5ec1fd3d | 1298 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1299 | { |
1300 | cupsdCloseClient(con); | |
1301 | return; | |
1302 | } | |
ef416fc2 | 1303 | } |
1304 | else | |
5ec1fd3d | 1305 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1306 | |
d21dc0ed | 1307 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1308 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1309 | break; |
1310 | } | |
1311 | ||
1312 | if (!check_if_modified(con, &filestats)) | |
1313 | { | |
5ec1fd3d | 1314 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1315 | { |
1316 | cupsdCloseClient(con); | |
1317 | return; | |
1318 | } | |
ef416fc2 | 1319 | } |
1320 | else | |
1321 | { | |
1322 | if (type == NULL) | |
5a9febac | 1323 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1324 | else |
1325 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1326 | ||
5ec1fd3d | 1327 | if (!write_file(con, HTTP_STATUS_OK, filename, line, &filestats)) |
f7deaa1a | 1328 | { |
1329 | cupsdCloseClient(con); | |
1330 | return; | |
1331 | } | |
ef416fc2 | 1332 | } |
1333 | } | |
1334 | break; | |
1335 | ||
cb7f98ee | 1336 | case HTTP_STATE_POST_RECV : |
ef416fc2 | 1337 | /* |
1338 | * See if the POST request includes a Content-Length field, and if | |
1339 | * so check the length against any limits that are set... | |
1340 | */ | |
1341 | ||
5ec1fd3d | 1342 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1343 | MaxRequestSize > 0 && |
d21dc0ed | 1344 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1345 | { |
1346 | /* | |
1347 | * Request too large... | |
1348 | */ | |
1349 | ||
5ec1fd3d | 1350 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1351 | { |
1352 | cupsdCloseClient(con); | |
1353 | return; | |
1354 | } | |
ef416fc2 | 1355 | |
1356 | break; | |
1357 | } | |
d21dc0ed | 1358 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1359 | { |
1360 | /* | |
1361 | * Negative content lengths are invalid! | |
1362 | */ | |
1363 | ||
5ec1fd3d | 1364 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1365 | { |
1366 | cupsdCloseClient(con); | |
1367 | return; | |
1368 | } | |
ef416fc2 | 1369 | |
1370 | break; | |
1371 | } | |
1372 | ||
1373 | /* | |
1374 | * See what kind of POST request this is; for IPP requests the | |
1375 | * content-type field will be "application/ipp"... | |
1376 | */ | |
1377 | ||
5ec1fd3d | 1378 | if (!strcmp(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
ef416fc2 | 1379 | "application/ipp")) |
1380 | con->request = ippNew(); | |
229681c1 MS |
1381 | else if (!WebInterface) |
1382 | { | |
1383 | /* | |
1384 | * Web interface is disabled. Show an appropriate message... | |
1385 | */ | |
1386 | ||
5ec1fd3d | 1387 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1388 | { |
1389 | cupsdCloseClient(con); | |
1390 | return; | |
1391 | } | |
1392 | ||
1393 | break; | |
1394 | } | |
f07c0121 | 1395 | else if ((!strncmp(con->uri, "/admin", 6) && strncmp(con->uri, "/admin/log/", 11)) || |
ef416fc2 | 1396 | !strncmp(con->uri, "/printers", 9) || |
1397 | !strncmp(con->uri, "/classes", 8) || | |
1398 | !strncmp(con->uri, "/help", 5) || | |
1399 | !strncmp(con->uri, "/jobs", 5)) | |
1400 | { | |
1401 | /* | |
1402 | * CGI request... | |
1403 | */ | |
1404 | ||
1405 | if (!strncmp(con->uri, "/admin", 6)) | |
1406 | { | |
1407 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1408 | ServerBin); | |
1409 | ||
b423cd4c | 1410 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1411 | } |
1412 | else if (!strncmp(con->uri, "/printers", 9)) | |
1413 | { | |
1414 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1415 | ServerBin); | |
b423cd4c | 1416 | |
1417 | if (con->uri[9] && con->uri[10]) | |
1418 | cupsdSetString(&con->options, con->uri + 9); | |
1419 | else | |
1420 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1421 | } |
1422 | else if (!strncmp(con->uri, "/classes", 8)) | |
1423 | { | |
1424 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1425 | ServerBin); | |
b423cd4c | 1426 | |
1427 | if (con->uri[8] && con->uri[9]) | |
1428 | cupsdSetString(&con->options, con->uri + 8); | |
1429 | else | |
1430 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1431 | } |
1432 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1433 | { | |
1434 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1435 | ServerBin); | |
b423cd4c | 1436 | |
1437 | if (con->uri[5] && con->uri[6]) | |
1438 | cupsdSetString(&con->options, con->uri + 5); | |
1439 | else | |
1440 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1441 | } |
1442 | else | |
1443 | { | |
1444 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1445 | ServerBin); | |
ef416fc2 | 1446 | |
b423cd4c | 1447 | if (con->uri[5] && con->uri[6]) |
1448 | cupsdSetString(&con->options, con->uri + 5); | |
1449 | else | |
1450 | cupsdSetString(&con->options, NULL); | |
1451 | } | |
ef416fc2 | 1452 | |
d21dc0ed | 1453 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1454 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1455 | } |
1456 | else | |
1457 | { | |
1458 | /* | |
1459 | * POST to a file... | |
1460 | */ | |
1461 | ||
1462 | if ((filename = get_file(con, &filestats, buf, | |
1463 | sizeof(buf))) == NULL) | |
1464 | { | |
5ec1fd3d | 1465 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1466 | { |
1467 | cupsdCloseClient(con); | |
1468 | return; | |
1469 | } | |
ef416fc2 | 1470 | |
1471 | break; | |
1472 | } | |
1473 | ||
4400e98d | 1474 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1475 | |
e1d6a774 | 1476 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1477 | { |
1478 | /* | |
1479 | * Only POST to CGI's... | |
1480 | */ | |
1481 | ||
5ec1fd3d | 1482 | if (!cupsdSendError(con, HTTP_STATUS_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1483 | { |
1484 | cupsdCloseClient(con); | |
1485 | return; | |
1486 | } | |
ef416fc2 | 1487 | } |
1488 | } | |
1489 | break; | |
1490 | ||
cb7f98ee | 1491 | case HTTP_STATE_PUT_RECV : |
ef416fc2 | 1492 | /* |
1493 | * Validate the resource name... | |
1494 | */ | |
1495 | ||
c41769ff | 1496 | if (strcmp(con->uri, "/admin/conf/cupsd.conf")) |
ef416fc2 | 1497 | { |
1498 | /* | |
c41769ff | 1499 | * PUT can only be done to the cupsd.conf file... |
ef416fc2 | 1500 | */ |
1501 | ||
996acce8 MS |
1502 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1503 | "Disallowed PUT request for \"%s\".", con->uri); | |
bf3816c7 | 1504 | |
5ec1fd3d | 1505 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1506 | { |
1507 | cupsdCloseClient(con); | |
1508 | return; | |
1509 | } | |
ef416fc2 | 1510 | |
1511 | break; | |
1512 | } | |
1513 | ||
1514 | /* | |
1515 | * See if the PUT request includes a Content-Length field, and if | |
1516 | * so check the length against any limits that are set... | |
1517 | */ | |
1518 | ||
5ec1fd3d | 1519 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1520 | MaxRequestSize > 0 && |
d21dc0ed | 1521 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1522 | { |
1523 | /* | |
1524 | * Request too large... | |
1525 | */ | |
1526 | ||
5ec1fd3d | 1527 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1528 | { |
1529 | cupsdCloseClient(con); | |
1530 | return; | |
1531 | } | |
ef416fc2 | 1532 | |
1533 | break; | |
1534 | } | |
d21dc0ed | 1535 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1536 | { |
1537 | /* | |
1538 | * Negative content lengths are invalid! | |
1539 | */ | |
1540 | ||
5ec1fd3d | 1541 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1542 | { |
1543 | cupsdCloseClient(con); | |
1544 | return; | |
1545 | } | |
ef416fc2 | 1546 | |
1547 | break; | |
1548 | } | |
1549 | ||
1550 | /* | |
1551 | * Open a temporary file to hold the request... | |
1552 | */ | |
1553 | ||
1554 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1555 | request_id ++); | |
1556 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1557 | ||
ef416fc2 | 1558 | if (con->file < 0) |
1559 | { | |
996acce8 MS |
1560 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1561 | "Unable to create request file \"%s\": %s", | |
1562 | con->filename, strerror(errno)); | |
a4924f6c | 1563 | |
5ec1fd3d | 1564 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1565 | { |
1566 | cupsdCloseClient(con); | |
1567 | return; | |
1568 | } | |
ef416fc2 | 1569 | } |
1570 | ||
1571 | fchmod(con->file, 0640); | |
1572 | fchown(con->file, RunUser, Group); | |
1573 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1574 | break; | |
1575 | ||
cb7f98ee MS |
1576 | case HTTP_STATE_DELETE : |
1577 | case HTTP_STATE_TRACE : | |
5ec1fd3d | 1578 | cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1579 | cupsdCloseClient(con); |
1580 | return; | |
ef416fc2 | 1581 | |
cb7f98ee | 1582 | case HTTP_STATE_HEAD : |
ef416fc2 | 1583 | if (!strncmp(con->uri, "/printers/", 10) && |
1584 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1585 | { | |
1586 | /* | |
1587 | * Send PPD file - get the real printer name since printer | |
1588 | * names are not case sensitive but filenames can be... | |
1589 | */ | |
1590 | ||
1591 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1592 | ||
1593 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1594 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1595 | else | |
1596 | { | |
5ec1fd3d | 1597 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1598 | { |
1599 | cupsdCloseClient(con); | |
1600 | return; | |
1601 | } | |
ef416fc2 | 1602 | |
e200616a | 1603 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1604 | break; |
1605 | } | |
1606 | } | |
229681c1 MS |
1607 | else if (!strncmp(con->uri, "/printers/", 10) && |
1608 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1609 | { | |
1610 | /* | |
1611 | * Send PNG file - get the real printer name since printer | |
1612 | * names are not case sensitive but filenames can be... | |
1613 | */ | |
1614 | ||
1615 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1616 | ||
1617 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1618 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1619 | else | |
1620 | { | |
5ec1fd3d | 1621 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
229681c1 MS |
1622 | { |
1623 | cupsdCloseClient(con); | |
1624 | return; | |
1625 | } | |
1626 | ||
e200616a | 1627 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
229681c1 MS |
1628 | break; |
1629 | } | |
1630 | } | |
1631 | else if (!WebInterface) | |
1632 | { | |
a73ca01e MS |
1633 | httpClearFields(con->http); |
1634 | ||
5ec1fd3d | 1635 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
229681c1 MS |
1636 | { |
1637 | cupsdCloseClient(con); | |
1638 | return; | |
1639 | } | |
1640 | ||
e200616a | 1641 | cupsdLogRequest(con, HTTP_STATUS_OK); |
229681c1 MS |
1642 | break; |
1643 | } | |
ef416fc2 | 1644 | |
f07c0121 | 1645 | if ((!strncmp(con->uri, "/admin", 6) && strcmp(con->uri, "/admin/conf/cupsd.conf") && strncmp(con->uri, "/admin/log/", 11)) || |
ef416fc2 | 1646 | !strncmp(con->uri, "/printers", 9) || |
1647 | !strncmp(con->uri, "/classes", 8) || | |
1648 | !strncmp(con->uri, "/help", 5) || | |
1649 | !strncmp(con->uri, "/jobs", 5)) | |
1650 | { | |
1651 | /* | |
1652 | * CGI output... | |
1653 | */ | |
1654 | ||
a73ca01e MS |
1655 | httpClearFields(con->http); |
1656 | ||
5ec1fd3d | 1657 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1658 | { |
1659 | cupsdCloseClient(con); | |
1660 | return; | |
1661 | } | |
ef416fc2 | 1662 | |
5ec1fd3d | 1663 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1664 | } |
f07c0121 | 1665 | else if (!strncmp(con->uri, "/admin/log/", 11) && (strchr(con->uri + 11, '/') || strlen(con->uri) == 11)) |
ef416fc2 | 1666 | { |
1667 | /* | |
1668 | * HEAD can only be done to configuration files under | |
1669 | * /admin/conf... | |
1670 | */ | |
1671 | ||
996acce8 MS |
1672 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1673 | "Request for subdirectory \"%s\".", con->uri); | |
bf3816c7 | 1674 | |
5ec1fd3d | 1675 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1676 | { |
1677 | cupsdCloseClient(con); | |
1678 | return; | |
1679 | } | |
ef416fc2 | 1680 | |
e200616a | 1681 | cupsdLogRequest(con, HTTP_STATUS_FORBIDDEN); |
ef416fc2 | 1682 | break; |
1683 | } | |
1684 | else if ((filename = get_file(con, &filestats, buf, | |
1685 | sizeof(buf))) == NULL) | |
1686 | { | |
a73ca01e MS |
1687 | httpClearFields(con->http); |
1688 | ||
5ec1fd3d | 1689 | if (!cupsdSendHeader(con, HTTP_STATUS_NOT_FOUND, "text/html", |
f11a948a | 1690 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1691 | { |
1692 | cupsdCloseClient(con); | |
1693 | return; | |
1694 | } | |
ef416fc2 | 1695 | |
5ec1fd3d | 1696 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1697 | } |
1698 | else if (!check_if_modified(con, &filestats)) | |
1699 | { | |
5ec1fd3d | 1700 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1701 | { |
1702 | cupsdCloseClient(con); | |
1703 | return; | |
1704 | } | |
ef416fc2 | 1705 | |
5ec1fd3d | 1706 | cupsdLogRequest(con, HTTP_STATUS_NOT_MODIFIED); |
ef416fc2 | 1707 | } |
1708 | else | |
1709 | { | |
1710 | /* | |
1711 | * Serve a file... | |
1712 | */ | |
1713 | ||
4400e98d | 1714 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1715 | if (type == NULL) |
5a9febac | 1716 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1717 | else |
1718 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1719 | ||
a73ca01e MS |
1720 | httpClearFields(con->http); |
1721 | ||
e200616a MS |
1722 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
1723 | httpGetDateString(filestats.st_mtime)); | |
7e86f2f6 | 1724 | httpSetLength(con->http, (size_t)filestats.st_size); |
ef416fc2 | 1725 | |
e200616a | 1726 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1727 | { |
1728 | cupsdCloseClient(con); | |
1729 | return; | |
1730 | } | |
ef416fc2 | 1731 | |
5ec1fd3d | 1732 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1733 | } |
ef416fc2 | 1734 | break; |
1735 | ||
1736 | default : | |
1737 | break; /* Anti-compiler-warning-code */ | |
1738 | } | |
1739 | } | |
1740 | } | |
1741 | ||
1742 | /* | |
1743 | * Handle any incoming data... | |
1744 | */ | |
1745 | ||
5ec1fd3d | 1746 | switch (httpGetState(con->http)) |
ef416fc2 | 1747 | { |
cb7f98ee | 1748 | case HTTP_STATE_PUT_RECV : |
f7deaa1a | 1749 | do |
ef416fc2 | 1750 | { |
996acce8 | 1751 | if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1752 | { |
5ec1fd3d | 1753 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1754 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1755 | "HTTP_STATE_PUT_RECV Closing for error %d (%s)", | |
5ec1fd3d | 1756 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1757 | else |
996acce8 MS |
1758 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1759 | "HTTP_STATE_PUT_RECV Closing on EOF."); | |
f11a948a | 1760 | |
f7deaa1a | 1761 | cupsdCloseClient(con); |
1762 | return; | |
1763 | } | |
1764 | else if (bytes > 0) | |
1765 | { | |
1766 | con->bytes += bytes; | |
ef416fc2 | 1767 | |
34c67f13 MS |
1768 | if (MaxRequestSize > 0 && con->bytes > MaxRequestSize) |
1769 | { | |
1770 | close(con->file); | |
1771 | con->file = -1; | |
1772 | unlink(con->filename); | |
1773 | cupsdClearString(&con->filename); | |
1774 | ||
1775 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) | |
1776 | { | |
1777 | cupsdCloseClient(con); | |
1778 | return; | |
1779 | } | |
1780 | } | |
1781 | ||
7e86f2f6 | 1782 | if (write(con->file, line, (size_t)bytes) < bytes) |
f7deaa1a | 1783 | { |
996acce8 MS |
1784 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1785 | "Unable to write %d bytes to \"%s\": %s", bytes, | |
1786 | con->filename, strerror(errno)); | |
ef416fc2 | 1787 | |
f7deaa1a | 1788 | close(con->file); |
1789 | con->file = -1; | |
1790 | unlink(con->filename); | |
1791 | cupsdClearString(&con->filename); | |
ef416fc2 | 1792 | |
5ec1fd3d | 1793 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1794 | { |
1795 | cupsdCloseClient(con); | |
1796 | return; | |
1797 | } | |
1798 | } | |
ef416fc2 | 1799 | } |
a4708bb0 MS |
1800 | else if (httpGetState(con->http) == HTTP_STATE_PUT_RECV) |
1801 | { | |
1802 | cupsdCloseClient(con); | |
1803 | return; | |
1804 | } | |
f7deaa1a | 1805 | } |
5ec1fd3d | 1806 | while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http)); |
ef416fc2 | 1807 | |
5ec1fd3d | 1808 | if (httpGetState(con->http) == HTTP_STATE_STATUS) |
ef416fc2 | 1809 | { |
1810 | /* | |
1811 | * End of file, see how big it is... | |
1812 | */ | |
1813 | ||
1814 | fstat(con->file, &filestats); | |
1815 | ||
ef416fc2 | 1816 | close(con->file); |
1817 | con->file = -1; | |
1818 | ||
1819 | if (filestats.st_size > MaxRequestSize && | |
1820 | MaxRequestSize > 0) | |
1821 | { | |
1822 | /* | |
1823 | * Request is too big; remove it and send an error... | |
1824 | */ | |
1825 | ||
ef416fc2 | 1826 | unlink(con->filename); |
1827 | cupsdClearString(&con->filename); | |
1828 | ||
5ec1fd3d | 1829 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1830 | { |
1831 | cupsdCloseClient(con); | |
1832 | return; | |
1833 | } | |
ef416fc2 | 1834 | } |
1835 | ||
1836 | /* | |
1837 | * Install the configuration file... | |
1838 | */ | |
1839 | ||
c41769ff | 1840 | status = install_cupsd_conf(con); |
ef416fc2 | 1841 | |
1842 | /* | |
1843 | * Return the status to the client... | |
1844 | */ | |
1845 | ||
5bd77a73 | 1846 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 1847 | { |
1848 | cupsdCloseClient(con); | |
1849 | return; | |
1850 | } | |
ef416fc2 | 1851 | } |
1852 | break; | |
1853 | ||
cb7f98ee | 1854 | case HTTP_STATE_POST_RECV : |
f7deaa1a | 1855 | do |
ef416fc2 | 1856 | { |
f11a948a | 1857 | if (con->request && con->file < 0) |
ef416fc2 | 1858 | { |
f7deaa1a | 1859 | /* |
1860 | * Grab any request data from the connection... | |
1861 | */ | |
ef416fc2 | 1862 | |
175bc798 MS |
1863 | if (!httpWait(con->http, 0)) |
1864 | return; | |
1865 | ||
5ec1fd3d | 1866 | if ((ipp_state = ippRead(con->http, con->request)) == IPP_STATE_ERROR) |
ef416fc2 | 1867 | { |
996acce8 MS |
1868 | cupsdLogClient(con, CUPSD_LOG_ERROR, "IPP read error: %s", |
1869 | cupsLastErrorString()); | |
f7deaa1a | 1870 | |
5ec1fd3d | 1871 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1872 | cupsdCloseClient(con); |
1873 | return; | |
ef416fc2 | 1874 | } |
5ec1fd3d | 1875 | else if (ipp_state != IPP_STATE_DATA) |
f7deaa1a | 1876 | { |
5ec1fd3d | 1877 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
f7deaa1a | 1878 | { |
5ec1fd3d | 1879 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1880 | cupsdCloseClient(con); |
1881 | return; | |
1882 | } | |
ef416fc2 | 1883 | |
5ec1fd3d | 1884 | if (httpGetReady(con->http)) |
6961465f | 1885 | continue; |
f7deaa1a | 1886 | break; |
1887 | } | |
1888 | else | |
f11a948a | 1889 | { |
996acce8 MS |
1890 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%d.%d %s %d", |
1891 | con->request->request.op.version[0], | |
f11a948a MS |
1892 | con->request->request.op.version[1], |
1893 | ippOpString(con->request->request.op.operation_id), | |
1894 | con->request->request.op.request_id); | |
7d5824d6 | 1895 | con->bytes += (off_t)ippLength(con->request); |
f11a948a | 1896 | } |
f7deaa1a | 1897 | } |
ef416fc2 | 1898 | |
5ec1fd3d | 1899 | if (con->file < 0 && httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1900 | { |
1901 | /* | |
1902 | * Create a file as needed for the request data... | |
1903 | */ | |
ef416fc2 | 1904 | |
f11a948a MS |
1905 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
1906 | request_id ++); | |
f7deaa1a | 1907 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 1908 | |
f7deaa1a | 1909 | if (con->file < 0) |
1910 | { | |
996acce8 MS |
1911 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1912 | "Unable to create request file \"%s\": %s", | |
1913 | con->filename, strerror(errno)); | |
a4924f6c | 1914 | |
5ec1fd3d | 1915 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1916 | { |
1917 | cupsdCloseClient(con); | |
1918 | return; | |
1919 | } | |
1920 | } | |
ef416fc2 | 1921 | |
f7deaa1a | 1922 | fchmod(con->file, 0640); |
1923 | fchown(con->file, RunUser, Group); | |
1924 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1925 | } | |
ef416fc2 | 1926 | |
5ec1fd3d | 1927 | if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
ef416fc2 | 1928 | { |
996acce8 | 1929 | if (!httpWait(con->http, 0)) |
cb7f98ee | 1930 | return; |
996acce8 | 1931 | else if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1932 | { |
5ec1fd3d | 1933 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1934 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1935 | "HTTP_STATE_POST_SEND Closing for error %d (%s)", | |
5ec1fd3d | 1936 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1937 | else |
996acce8 MS |
1938 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1939 | "HTTP_STATE_POST_SEND Closing on EOF."); | |
f11a948a | 1940 | |
f7deaa1a | 1941 | cupsdCloseClient(con); |
1942 | return; | |
1943 | } | |
1944 | else if (bytes > 0) | |
1945 | { | |
1946 | con->bytes += bytes; | |
ef416fc2 | 1947 | |
34c67f13 MS |
1948 | if (MaxRequestSize > 0 && con->bytes > MaxRequestSize) |
1949 | { | |
1950 | close(con->file); | |
1951 | con->file = -1; | |
1952 | unlink(con->filename); | |
1953 | cupsdClearString(&con->filename); | |
1954 | ||
1955 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) | |
1956 | { | |
1957 | cupsdCloseClient(con); | |
1958 | return; | |
1959 | } | |
1960 | } | |
1961 | ||
7e86f2f6 | 1962 | if (write(con->file, line, (size_t)bytes) < bytes) |
f7deaa1a | 1963 | { |
996acce8 MS |
1964 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1965 | "Unable to write %d bytes to \"%s\": %s", | |
1966 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1967 | |
f7deaa1a | 1968 | close(con->file); |
1969 | con->file = -1; | |
1970 | unlink(con->filename); | |
1971 | cupsdClearString(&con->filename); | |
ef416fc2 | 1972 | |
5ec1fd3d | 1973 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, |
f11a948a | 1974 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1975 | { |
1976 | cupsdCloseClient(con); | |
1977 | return; | |
1978 | } | |
1979 | } | |
1980 | } | |
5ec1fd3d | 1981 | else if (httpGetState(con->http) == HTTP_STATE_POST_RECV) |
f7deaa1a | 1982 | return; |
5ec1fd3d | 1983 | else if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1984 | { |
996acce8 MS |
1985 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1986 | "Closing on unexpected state %s.", | |
5ec1fd3d | 1987 | httpStateString(httpGetState(con->http))); |
f7deaa1a | 1988 | cupsdCloseClient(con); |
1989 | return; | |
ef416fc2 | 1990 | } |
1991 | } | |
f7deaa1a | 1992 | } |
5ec1fd3d | 1993 | while (httpGetState(con->http) == HTTP_STATE_POST_RECV && httpGetReady(con->http)); |
ef416fc2 | 1994 | |
5ec1fd3d | 1995 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
ef416fc2 | 1996 | { |
1997 | if (con->file >= 0) | |
1998 | { | |
1999 | fstat(con->file, &filestats); | |
2000 | ||
ef416fc2 | 2001 | close(con->file); |
2002 | con->file = -1; | |
2003 | ||
2004 | if (filestats.st_size > MaxRequestSize && | |
2005 | MaxRequestSize > 0) | |
2006 | { | |
2007 | /* | |
2008 | * Request is too big; remove it and send an error... | |
2009 | */ | |
2010 | ||
ef416fc2 | 2011 | unlink(con->filename); |
2012 | cupsdClearString(&con->filename); | |
2013 | ||
2014 | if (con->request) | |
2015 | { | |
2016 | /* | |
2017 | * Delete any IPP request data... | |
2018 | */ | |
2019 | ||
2020 | ippDelete(con->request); | |
2021 | con->request = NULL; | |
2022 | } | |
2023 | ||
5ec1fd3d | 2024 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2025 | { |
2026 | cupsdCloseClient(con); | |
2027 | return; | |
2028 | } | |
ef416fc2 | 2029 | } |
f8b3a85b MS |
2030 | else if (filestats.st_size == 0) |
2031 | { | |
2032 | /* | |
2033 | * Don't allow empty file... | |
2034 | */ | |
2035 | ||
2036 | unlink(con->filename); | |
2037 | cupsdClearString(&con->filename); | |
2038 | } | |
ef416fc2 | 2039 | |
2040 | if (con->command) | |
2041 | { | |
2042 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2043 | { | |
5ec1fd3d | 2044 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2045 | { |
2046 | cupsdCloseClient(con); | |
2047 | return; | |
2048 | } | |
ef416fc2 | 2049 | } |
2050 | else | |
5ec1fd3d | 2051 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2052 | } |
2053 | } | |
2054 | ||
2055 | if (con->request) | |
f7deaa1a | 2056 | { |
2057 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2058 | |
2059 | if (con->filename) | |
2060 | { | |
bc44d920 | 2061 | unlink(con->filename); |
2062 | cupsdClearString(&con->filename); | |
2063 | } | |
2064 | ||
f7deaa1a | 2065 | return; |
2066 | } | |
ef416fc2 | 2067 | } |
2068 | break; | |
2069 | ||
2070 | default : | |
2071 | break; /* Anti-compiler-warning-code */ | |
2072 | } | |
2073 | ||
5ec1fd3d | 2074 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
3dfe78b3 | 2075 | { |
5ec1fd3d | 2076 | if (!httpGetKeepAlive(con->http)) |
f11a948a | 2077 | { |
996acce8 MS |
2078 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2079 | "Closing because Keep-Alive is disabled."); | |
3dfe78b3 | 2080 | cupsdCloseClient(con); |
f11a948a | 2081 | } |
3dfe78b3 MS |
2082 | else |
2083 | { | |
2084 | cupsArrayRemove(ActiveClients, con); | |
2085 | cupsdSetBusyState(); | |
2086 | } | |
2087 | } | |
ef416fc2 | 2088 | } |
2089 | ||
2090 | ||
2091 | /* | |
2092 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2093 | */ | |
2094 | ||
2095 | int /* O - 1 on success, 0 on failure */ | |
2096 | cupsdSendCommand( | |
2097 | cupsd_client_t *con, /* I - Client connection */ | |
2098 | char *command, /* I - Command to run */ | |
2099 | char *options, /* I - Command-line options */ | |
2100 | int root) /* I - Run as root? */ | |
2101 | { | |
2102 | int fd; /* Standard input file descriptor */ | |
2103 | ||
2104 | ||
2105 | if (con->filename) | |
ed486911 | 2106 | { |
ef416fc2 | 2107 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2108 | |
ed486911 | 2109 | if (fd < 0) |
2110 | { | |
996acce8 MS |
2111 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2112 | "Unable to open \"%s\" for reading: %s", | |
2113 | con->filename ? con->filename : "/dev/null", | |
2114 | strerror(errno)); | |
ed486911 | 2115 | return (0); |
2116 | } | |
ef416fc2 | 2117 | |
ed486911 | 2118 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2119 | } | |
2120 | else | |
2121 | fd = -1; | |
ef416fc2 | 2122 | |
e200616a MS |
2123 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); |
2124 | con->pipe_status = HTTP_STATUS_OK; | |
ef416fc2 | 2125 | |
a73ca01e MS |
2126 | httpClearFields(con->http); |
2127 | ||
ed486911 | 2128 | if (fd >= 0) |
2129 | close(fd); | |
ef416fc2 | 2130 | |
996acce8 MS |
2131 | cupsdLogClient(con, CUPSD_LOG_INFO, "Started \"%s\" (pid=%d, file=%d)", |
2132 | command, con->pipe_pid, con->file); | |
ef416fc2 | 2133 | |
2134 | if (con->pipe_pid == 0) | |
2135 | return (0); | |
2136 | ||
2137 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2138 | ||
f899b121 | 2139 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2140 | |
996acce8 | 2141 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2142 | |
ef416fc2 | 2143 | con->sent_header = 0; |
2144 | con->file_ready = 0; | |
2145 | con->got_fields = 0; | |
68b10830 | 2146 | con->header_used = 0; |
ef416fc2 | 2147 | |
2148 | return (1); | |
2149 | } | |
2150 | ||
2151 | ||
2152 | /* | |
2153 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2154 | */ | |
2155 | ||
2156 | int /* O - 1 if successful, 0 otherwise */ | |
2157 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2158 | http_status_t code, /* I - Error code */ |
2159 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2160 | { |
f7c0e880 MS |
2161 | char location[HTTP_MAX_VALUE]; /* Location field */ |
2162 | ||
2163 | ||
ffe32673 | 2164 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", code, auth_type); |
b9faaae1 | 2165 | |
4744bd90 | 2166 | #ifdef HAVE_SSL |
2167 | /* | |
2168 | * Force client to upgrade for authentication if that is how the | |
2169 | * server is configured... | |
2170 | */ | |
2171 | ||
5ec1fd3d MS |
2172 | if (code == HTTP_STATUS_UNAUTHORIZED && |
2173 | DefaultEncryption == HTTP_ENCRYPTION_REQUIRED && | |
2174 | _cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost") && | |
2175 | !httpIsEncrypted(con->http)) | |
4744bd90 | 2176 | { |
5ec1fd3d | 2177 | code = HTTP_STATUS_UPGRADE_REQUIRED; |
4744bd90 | 2178 | } |
2179 | #endif /* HAVE_SSL */ | |
2180 | ||
ef416fc2 | 2181 | /* |
2182 | * Put the request in the access_log file... | |
2183 | */ | |
2184 | ||
2185 | cupsdLogRequest(con, code); | |
2186 | ||
ef416fc2 | 2187 | /* |
2188 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2189 | * error messages... | |
f7deaa1a | 2190 | * |
2191 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2192 | * never disable it in that case. | |
ef416fc2 | 2193 | */ |
2194 | ||
f7c0e880 MS |
2195 | strlcpy(location, httpGetField(con->http, HTTP_FIELD_LOCATION), sizeof(location)); |
2196 | ||
a73ca01e MS |
2197 | httpClearFields(con->http); |
2198 | ||
f7c0e880 MS |
2199 | httpSetField(con->http, HTTP_FIELD_LOCATION, location); |
2200 | ||
5ec1fd3d MS |
2201 | if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE) |
2202 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 2203 | |
d21dc0ed | 2204 | if (httpGetVersion(con->http) >= HTTP_VERSION_1_1 && |
5ec1fd3d | 2205 | httpGetKeepAlive(con->http) == HTTP_KEEPALIVE_OFF) |
e200616a | 2206 | httpSetField(con->http, HTTP_FIELD_CONNECTION, "close"); |
ef416fc2 | 2207 | |
5ec1fd3d | 2208 | if (code >= HTTP_STATUS_BAD_REQUEST) |
ef416fc2 | 2209 | { |
2210 | /* | |
2211 | * Send a human-readable error message. | |
2212 | */ | |
2213 | ||
80ca4592 | 2214 | char message[4096], /* Message for user */ |
2215 | urltext[1024], /* URL redirection text */ | |
2216 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2217 | const char *text; /* Status-specific text */ |
2218 | ||
80ca4592 | 2219 | |
2220 | redirect[0] = '\0'; | |
2221 | ||
5ec1fd3d | 2222 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2223 | text = _cupsLangString(con->language, |
2224 | _("Enter your username and password or the " | |
2225 | "root username and password to access this " | |
f7deaa1a | 2226 | "page. If you are using Kerberos authentication, " |
2227 | "make sure you have a valid Kerberos ticket.")); | |
5ec1fd3d | 2228 | else if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
80ca4592 | 2229 | { |
2230 | text = urltext; | |
2231 | ||
2232 | snprintf(urltext, sizeof(urltext), | |
2233 | _cupsLangString(con->language, | |
2234 | _("You must access this page using the URL " | |
2235 | "<A HREF=\"https://%s:%d%s\">" | |
2236 | "https://%s:%d%s</A>.")), | |
2237 | con->servername, con->serverport, con->uri, | |
2238 | con->servername, con->serverport, con->uri); | |
2239 | ||
2240 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2241 | "<META HTTP-EQUIV=\"Refresh\" " |
2242 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2243 | con->servername, con->serverport, con->uri); |
2244 | } | |
5ec1fd3d | 2245 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2246 | text = _cupsLangString(con->language, |
2247 | _("The web interface is currently disabled. Run " | |
2248 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2249 | else |
2250 | text = ""; | |
2251 | ||
2252 | snprintf(message, sizeof(message), | |
745129be MS |
2253 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2254 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2255 | "<HTML>\n" |
2256 | "<HEAD>\n" | |
2257 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2258 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2259 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2260 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2261 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2262 | "%s" |
ef416fc2 | 2263 | "</HEAD>\n" |
2264 | "<BODY>\n" | |
229681c1 | 2265 | "<H1>%s</H1>\n" |
ef416fc2 | 2266 | "<P>%s</P>\n" |
2267 | "</BODY>\n" | |
2268 | "</HTML>\n", | |
41e6c1f1 MS |
2269 | _httpStatus(con->language, code), redirect, |
2270 | _httpStatus(con->language, code), text); | |
ef416fc2 | 2271 | |
43dcaf3b MS |
2272 | /* |
2273 | * Send an error message back to the client. If the error code is a | |
2274 | * 400 or 500 series, make sure the message contains some text, too! | |
2275 | */ | |
2276 | ||
2277 | size_t length = strlen(message); /* Length of message */ | |
e200616a | 2278 | |
43dcaf3b | 2279 | httpSetLength(con->http, length); |
e200616a MS |
2280 | |
2281 | if (!cupsdSendHeader(con, code, "text/html", auth_type)) | |
ef416fc2 | 2282 | return (0); |
ebeb3268 | 2283 | |
43dcaf3b MS |
2284 | if (httpWrite2(con->http, message, length) < 0) |
2285 | return (0); | |
2286 | ||
2287 | if (httpFlushWrite(con->http) < 0) | |
ef416fc2 | 2288 | return (0); |
2289 | } | |
e200616a MS |
2290 | else |
2291 | { | |
2292 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
a469f8a5 | 2293 | |
e200616a MS |
2294 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
2295 | return (0); | |
2296 | } | |
ef416fc2 | 2297 | |
2298 | return (1); | |
2299 | } | |
2300 | ||
2301 | ||
ef416fc2 | 2302 | /* |
2303 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2304 | */ | |
2305 | ||
2306 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2307 | cupsdSendHeader( |
2308 | cupsd_client_t *con, /* I - Client to send to */ | |
2309 | http_status_t code, /* I - HTTP status code */ | |
2310 | char *type, /* I - MIME type of document */ | |
2311 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2312 | { |
5a738aea | 2313 | char auth_str[1024]; /* Authorization string */ |
f7deaa1a | 2314 | |
2315 | ||
f3211b6d MS |
2316 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "cupsdSendHeader: code=%d, type=\"%s\", auth_type=%d", code, type, auth_type); |
2317 | ||
4744bd90 | 2318 | /* |
2319 | * Send the HTTP status header... | |
2320 | */ | |
2321 | ||
a73ca01e | 2322 | if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2323 | { |
2324 | /* | |
2325 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2326 | * browsers. | |
2327 | */ | |
2328 | ||
5ec1fd3d | 2329 | code = HTTP_STATUS_OK; |
229681c1 | 2330 | } |
b423cd4c | 2331 | |
ef416fc2 | 2332 | if (ServerHeader) |
e200616a | 2333 | httpSetField(con->http, HTTP_FIELD_SERVER, ServerHeader); |
5ec1fd3d MS |
2334 | |
2335 | if (code == HTTP_STATUS_METHOD_NOT_ALLOWED) | |
e200616a | 2336 | httpSetField(con->http, HTTP_FIELD_ALLOW, "GET, HEAD, OPTIONS, POST, PUT"); |
ef416fc2 | 2337 | |
5ec1fd3d | 2338 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2339 | { |
5bd77a73 | 2340 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2341 | { |
5bd77a73 | 2342 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
dcb445bc | 2343 | auth_type = cupsdDefaultAuthType(); |
f899b121 | 2344 | else |
2345 | auth_type = con->best->type; | |
2346 | } | |
f7deaa1a | 2347 | |
2348 | auth_str[0] = '\0'; | |
2349 | ||
e0660879 | 2350 | if (auth_type == CUPSD_AUTH_BASIC) |
f7deaa1a | 2351 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
f7deaa1a | 2352 | #ifdef HAVE_GSSAPI |
eac3a0a0 | 2353 | else if (auth_type == CUPSD_AUTH_NEGOTIATE) |
6961465f MS |
2354 | { |
2355 | # ifdef AF_LOCAL | |
5ec1fd3d | 2356 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
6961465f MS |
2357 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
2358 | else | |
2359 | # endif /* AF_LOCAL */ | |
f7deaa1a | 2360 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
6961465f | 2361 | } |
f7deaa1a | 2362 | #endif /* HAVE_GSSAPI */ |
2363 | ||
e07d4801 | 2364 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
5ec1fd3d | 2365 | !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost")) |
ef416fc2 | 2366 | { |
e07d4801 MS |
2367 | /* |
2368 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2369 | * requests when the request requires system group membership - then the | |
2370 | * client knows the root certificate can/should be used. | |
2371 | * | |
f3c17241 | 2372 | * Also, for OS X we also look for @AUTHKEY and add an "authkey" |
e07d4801 MS |
2373 | * parameter as needed... |
2374 | */ | |
2375 | ||
10d09e33 MS |
2376 | char *name, /* Current user name */ |
2377 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2378 | size_t auth_size; /* Size of remaining buffer */ |
2379 | ||
f7deaa1a | 2380 | auth_key = auth_str + strlen(auth_str); |
7e86f2f6 | 2381 | auth_size = sizeof(auth_str) - (size_t)(auth_key - auth_str); |
f7deaa1a | 2382 | |
10d09e33 MS |
2383 | for (name = (char *)cupsArrayFirst(con->best->names); |
2384 | name; | |
2385 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2386 | { |
e07d4801 | 2387 | #ifdef HAVE_AUTHORIZATION_H |
88f9aafc | 2388 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2389 | { |
10d09e33 | 2390 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2391 | /* end parenthesis is stripped in conf.c */ |
2392 | break; | |
2393 | } | |
e07d4801 MS |
2394 | else |
2395 | #endif /* HAVE_AUTHORIZATION_H */ | |
88f9aafc | 2396 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2397 | { |
e07d4801 MS |
2398 | #ifdef HAVE_AUTHORIZATION_H |
2399 | if (SystemGroupAuthKey) | |
2400 | snprintf(auth_key, auth_size, | |
07ed0e9a | 2401 | ", authkey=\"%s\"", |
e07d4801 MS |
2402 | SystemGroupAuthKey); |
2403 | else | |
2404 | #else | |
f11a948a | 2405 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2406 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2407 | break; |
2408 | } | |
2409 | } | |
ef416fc2 | 2410 | } |
f7deaa1a | 2411 | |
bc44d920 | 2412 | if (auth_str[0]) |
2413 | { | |
996acce8 | 2414 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "WWW-Authenticate: %s", auth_str); |
bc44d920 | 2415 | |
e200616a | 2416 | httpSetField(con->http, HTTP_FIELD_WWW_AUTHENTICATE, auth_str); |
bc44d920 | 2417 | } |
ef416fc2 | 2418 | } |
2419 | ||
e1d6a774 | 2420 | if (con->language && strcmp(con->language->language, "C")) |
e200616a | 2421 | httpSetField(con->http, HTTP_FIELD_CONTENT_LANGUAGE, con->language->language); |
ef416fc2 | 2422 | |
e1d6a774 | 2423 | if (type) |
ef416fc2 | 2424 | { |
2425 | if (!strcmp(type, "text/html")) | |
e200616a MS |
2426 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, "text/html; charset=utf-8"); |
2427 | else | |
2428 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, type); | |
ef416fc2 | 2429 | } |
2430 | ||
e200616a | 2431 | return (!httpWriteResponse(con->http, code)); |
ef416fc2 | 2432 | } |
2433 | ||
2434 | ||
2435 | /* | |
2436 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2437 | */ | |
2438 | ||
2439 | void | |
2440 | cupsdUpdateCGI(void) | |
2441 | { | |
2442 | char *ptr, /* Pointer to end of line in buffer */ | |
2443 | message[1024]; /* Pointer to message text */ | |
2444 | int loglevel; /* Log level for message */ | |
2445 | ||
2446 | ||
2447 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2448 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2449 | { |
2450 | if (loglevel == CUPSD_LOG_INFO) | |
2451 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2452 | ||
ef416fc2 | 2453 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2454 | break; | |
f0ab5bff | 2455 | } |
ef416fc2 | 2456 | |
d09495fa | 2457 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2458 | { |
2459 | /* | |
2460 | * Fatal error on pipe - should never happen! | |
2461 | */ | |
2462 | ||
2463 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2464 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2465 | strerror(errno)); | |
2466 | } | |
2467 | } | |
2468 | ||
2469 | ||
2470 | /* | |
2471 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2472 | */ | |
2473 | ||
f7deaa1a | 2474 | void |
ef416fc2 | 2475 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2476 | { | |
68b10830 MS |
2477 | int bytes, /* Number of bytes written */ |
2478 | field_col; /* Current column */ | |
2479 | char *bufptr, /* Pointer into buffer */ | |
2480 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2481 | ipp_state_t ipp_state; /* IPP state value */ |
2482 | ||
2483 | ||
5ec1fd3d | 2484 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "con->http=%p", con->http); |
996acce8 MS |
2485 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2486 | "cupsdWriteClient " | |
2487 | "error=%d, " | |
2488 | "used=%d, " | |
2489 | "state=%s, " | |
2490 | "data_encoding=HTTP_ENCODING_%s, " | |
2491 | "data_remaining=" CUPS_LLFMT ", " | |
2492 | "response=%p(%s), " | |
2493 | "pipe_pid=%d, " | |
2494 | "file=%d", | |
5ec1fd3d MS |
2495 | httpError(con->http), (int)httpGetReady(con->http), |
2496 | httpStateString(httpGetState(con->http)), | |
d21dc0ed MS |
2497 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", |
2498 | CUPS_LLCAST httpGetLength2(con->http), | |
996acce8 | 2499 | con->response, |
a73ca01e | 2500 | con->response ? ippStateString(ippGetState(con->request)) : "", |
996acce8 MS |
2501 | con->pipe_pid, con->file); |
2502 | ||
5ec1fd3d MS |
2503 | if (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2504 | httpGetState(con->http) != HTTP_STATE_POST_SEND) | |
8b116e60 MS |
2505 | { |
2506 | /* | |
2507 | * If we get called in the wrong state, then something went wrong with the | |
2508 | * connection and we need to shut it down... | |
2509 | */ | |
2510 | ||
43dcaf3b | 2511 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP write state %s.", |
5ec1fd3d | 2512 | httpStateString(httpGetState(con->http))); |
8b116e60 | 2513 | cupsdCloseClient(con); |
f7deaa1a | 2514 | return; |
8b116e60 | 2515 | } |
f7deaa1a | 2516 | |
2517 | if (con->pipe_pid) | |
2518 | { | |
2519 | /* | |
2520 | * Make sure we select on the CGI output... | |
2521 | */ | |
2522 | ||
f899b121 | 2523 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2524 | |
996acce8 | 2525 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2526 | |
f7deaa1a | 2527 | if (!con->file_ready) |
2528 | { | |
2529 | /* | |
2530 | * Try again later when there is CGI output available... | |
2531 | */ | |
2532 | ||
996acce8 | 2533 | cupsdRemoveSelect(httpGetFd(con->http)); |
f7deaa1a | 2534 | return; |
2535 | } | |
2536 | ||
2537 | con->file_ready = 0; | |
2538 | } | |
ef416fc2 | 2539 | |
209cc9b6 MS |
2540 | bytes = (ssize_t)(sizeof(con->header) - (size_t)con->header_used); |
2541 | ||
1720786e | 2542 | if (!con->pipe_pid && bytes > (ssize_t)httpGetRemaining(con->http)) |
209cc9b6 MS |
2543 | { |
2544 | /* | |
2545 | * Limit GET bytes to original size of file (STR #3265)... | |
2546 | */ | |
2547 | ||
2548 | bytes = (ssize_t)httpGetRemaining(con->http); | |
2549 | } | |
2550 | ||
5ec1fd3d | 2551 | if (con->response && con->response->state != IPP_STATE_DATA) |
ef416fc2 | 2552 | { |
d21dc0ed | 2553 | size_t wused = httpGetPending(con->http); /* Previous write buffer use */ |
94436c5a MS |
2554 | |
2555 | do | |
2556 | { | |
2557 | /* | |
2558 | * Write a single attribute or the IPP message header... | |
2559 | */ | |
2560 | ||
996acce8 | 2561 | ipp_state = ippWrite(con->http, con->response); |
94436c5a MS |
2562 | |
2563 | /* | |
2564 | * If the write buffer has been flushed, stop buffering up attributes... | |
2565 | */ | |
2566 | ||
d21dc0ed | 2567 | if (httpGetPending(con->http) <= wused) |
94436c5a MS |
2568 | break; |
2569 | } | |
2570 | while (ipp_state != IPP_STATE_DATA && ipp_state != IPP_STATE_ERROR); | |
2571 | ||
996acce8 MS |
2572 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2573 | "Writing IPP response, ipp_state=%s, old " | |
d21dc0ed MS |
2574 | "wused=" CUPS_LLFMT ", new wused=" CUPS_LLFMT, |
2575 | ippStateString(ipp_state), | |
2576 | CUPS_LLCAST wused, CUPS_LLCAST httpGetPending(con->http)); | |
2577 | ||
2578 | if (httpGetPending(con->http) > 0) | |
996acce8 | 2579 | httpFlushWrite(con->http); |
94436c5a MS |
2580 | |
2581 | bytes = ipp_state != IPP_STATE_ERROR && | |
2582 | (con->file >= 0 || ipp_state != IPP_STATE_DATA); | |
21f36711 | 2583 | |
996acce8 MS |
2584 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2585 | "bytes=%d, http_state=%d, data_remaining=" CUPS_LLFMT, | |
5ec1fd3d | 2586 | (int)bytes, httpGetState(con->http), |
d21dc0ed | 2587 | CUPS_LLCAST httpGetLength2(con->http)); |
ef416fc2 | 2588 | } |
209cc9b6 | 2589 | else if ((bytes = read(con->file, con->header + con->header_used, (size_t)bytes)) > 0) |
ef416fc2 | 2590 | { |
68b10830 MS |
2591 | con->header_used += bytes; |
2592 | ||
ef416fc2 | 2593 | if (con->pipe_pid && !con->got_fields) |
2594 | { | |
2595 | /* | |
2596 | * Inspect the data for Content-Type and other fields. | |
2597 | */ | |
2598 | ||
68b10830 MS |
2599 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2600 | field_col = 0; | |
2601 | !con->got_fields && bufptr < bufend; | |
2602 | bufptr ++) | |
d1c13e16 | 2603 | { |
ef416fc2 | 2604 | if (*bufptr == '\n') |
2605 | { | |
2606 | /* | |
2607 | * Send line to client... | |
2608 | */ | |
2609 | ||
68b10830 | 2610 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2611 | bufptr[-1] = '\0'; |
2612 | *bufptr++ = '\0'; | |
2613 | ||
996acce8 | 2614 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2615 | |
2616 | if (!con->sent_header) | |
2617 | { | |
2618 | /* | |
2619 | * Handle redirection and CGI status codes... | |
2620 | */ | |
2621 | ||
e200616a MS |
2622 | http_field_t field; /* HTTP field */ |
2623 | char *value = strchr(con->header, ':'); | |
2624 | /* Value of field */ | |
2625 | ||
2626 | if (value) | |
d6ae789d | 2627 | { |
e200616a MS |
2628 | *value++ = '\0'; |
2629 | while (isspace(*value & 255)) | |
2630 | value ++; | |
2631 | } | |
321d8d57 | 2632 | |
e200616a | 2633 | field = httpFieldValue(con->header); |
07725fee | 2634 | |
e200616a MS |
2635 | if (field != HTTP_FIELD_UNKNOWN && value) |
2636 | { | |
2637 | httpSetField(con->http, field, value); | |
2638 | ||
2639 | if (field == HTTP_FIELD_LOCATION) | |
2640 | { | |
2641 | con->pipe_status = HTTP_STATUS_SEE_OTHER; | |
2642 | con->sent_header = 2; | |
2643 | } | |
2644 | else | |
2645 | con->sent_header = 1; | |
d6ae789d | 2646 | } |
e200616a | 2647 | else if (!_cups_strcasecmp(con->header, "Status") && value) |
07725fee | 2648 | { |
e200616a | 2649 | con->pipe_status = (http_status_t)atoi(value); |
07725fee | 2650 | con->sent_header = 2; |
2651 | } | |
e200616a | 2652 | else if (!_cups_strcasecmp(con->header, "Set-Cookie") && value) |
4744bd90 | 2653 | { |
e200616a MS |
2654 | httpSetCookie(con->http, value); |
2655 | con->sent_header = 1; | |
2656 | } | |
ef416fc2 | 2657 | } |
2658 | ||
ef416fc2 | 2659 | /* |
2660 | * Update buffer... | |
2661 | */ | |
2662 | ||
68b10830 | 2663 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2664 | |
68b10830 | 2665 | if (con->header_used > 0) |
07623986 | 2666 | memmove(con->header, bufptr, (size_t)con->header_used); |
d1c13e16 | 2667 | |
68b10830 | 2668 | bufptr = con->header - 1; |
ef416fc2 | 2669 | |
2670 | /* | |
2671 | * See if the line was empty... | |
2672 | */ | |
2673 | ||
68b10830 | 2674 | if (field_col == 0) |
d09495fa | 2675 | { |
ef416fc2 | 2676 | con->got_fields = 1; |
d09495fa | 2677 | |
e200616a MS |
2678 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1 && |
2679 | !httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0]) | |
2680 | httpSetLength(con->http, 0); | |
2681 | ||
f3211b6d MS |
2682 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending status %d for CGI.", con->pipe_status); |
2683 | ||
6abe9327 | 2684 | if (con->pipe_status == HTTP_STATUS_OK) |
07725fee | 2685 | { |
6abe9327 MS |
2686 | if (!cupsdSendHeader(con, con->pipe_status, NULL, CUPSD_AUTH_NONE)) |
2687 | { | |
2688 | cupsdCloseClient(con); | |
2689 | return; | |
2690 | } | |
2691 | } | |
2692 | else | |
2693 | { | |
2694 | if (!cupsdSendError(con, con->pipe_status, CUPSD_AUTH_NONE)) | |
2695 | { | |
2696 | cupsdCloseClient(con); | |
2697 | return; | |
2698 | } | |
07725fee | 2699 | } |
d09495fa | 2700 | } |
ef416fc2 | 2701 | else |
68b10830 | 2702 | field_col = 0; |
ef416fc2 | 2703 | } |
2704 | else if (*bufptr != '\r') | |
68b10830 | 2705 | field_col ++; |
d1c13e16 | 2706 | } |
ef416fc2 | 2707 | |
68b10830 | 2708 | if (!con->got_fields) |
47879b8b | 2709 | return; |
ef416fc2 | 2710 | } |
2711 | ||
68b10830 | 2712 | if (con->header_used > 0) |
ef416fc2 | 2713 | { |
7e86f2f6 | 2714 | if (httpWrite2(con->http, con->header, (size_t)con->header_used) < 0) |
4744bd90 | 2715 | { |
996acce8 | 2716 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2717 | httpError(con->http), strerror(httpError(con->http))); |
4744bd90 | 2718 | cupsdCloseClient(con); |
f7deaa1a | 2719 | return; |
4744bd90 | 2720 | } |
ef416fc2 | 2721 | |
d21dc0ed | 2722 | if (httpIsChunked(con->http)) |
996acce8 | 2723 | httpFlushWrite(con->http); |
ae71f5de | 2724 | |
68b10830 | 2725 | con->bytes += con->header_used; |
ef416fc2 | 2726 | |
5ec1fd3d | 2727 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
4744bd90 | 2728 | bytes = 0; |
68b10830 MS |
2729 | else |
2730 | bytes = con->header_used; | |
2731 | ||
2732 | con->header_used = 0; | |
4744bd90 | 2733 | } |
ef416fc2 | 2734 | } |
2735 | ||
8b116e60 | 2736 | if (bytes <= 0 || |
5ec1fd3d MS |
2737 | (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2738 | httpGetState(con->http) != HTTP_STATE_POST_SEND)) | |
ef416fc2 | 2739 | { |
38e73f87 | 2740 | if (!con->sent_header && con->pipe_pid) |
5ec1fd3d | 2741 | cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE); |
94da7e34 MS |
2742 | else |
2743 | { | |
5ec1fd3d | 2744 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2745 | |
f3211b6d | 2746 | if (httpIsChunked(con->http) && (!con->pipe_pid || con->sent_header > 0)) |
ef416fc2 | 2747 | { |
dfc45c1b MS |
2748 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending 0-length chunk."); |
2749 | ||
996acce8 | 2750 | if (httpWrite2(con->http, "", 0) < 0) |
94da7e34 | 2751 | { |
996acce8 | 2752 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2753 | httpError(con->http), strerror(httpError(con->http))); |
94da7e34 MS |
2754 | cupsdCloseClient(con); |
2755 | return; | |
2756 | } | |
ef416fc2 | 2757 | } |
dfc45c1b MS |
2758 | |
2759 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Flushing write buffer."); | |
2760 | httpFlushWrite(con->http); | |
2761 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "New state is %s", httpStateString(httpGetState(con->http))); | |
ef416fc2 | 2762 | } |
2763 | ||
996acce8 | 2764 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2765 | |
996acce8 | 2766 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 2767 | |
ef416fc2 | 2768 | if (con->file >= 0) |
2769 | { | |
f7deaa1a | 2770 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2771 | |
2772 | if (con->pipe_pid) | |
2773 | cupsdEndProcess(con->pipe_pid, 0); | |
2774 | ||
ef416fc2 | 2775 | close(con->file); |
2776 | con->file = -1; | |
2777 | con->pipe_pid = 0; | |
2778 | } | |
2779 | ||
2780 | if (con->filename) | |
2781 | { | |
ef416fc2 | 2782 | unlink(con->filename); |
2783 | cupsdClearString(&con->filename); | |
2784 | } | |
2785 | ||
2abf387c | 2786 | if (con->request) |
ef416fc2 | 2787 | { |
2788 | ippDelete(con->request); | |
2789 | con->request = NULL; | |
2790 | } | |
2791 | ||
2abf387c | 2792 | if (con->response) |
ef416fc2 | 2793 | { |
2794 | ippDelete(con->response); | |
2795 | con->response = NULL; | |
2796 | } | |
2797 | ||
2798 | cupsdClearString(&con->command); | |
2799 | cupsdClearString(&con->options); | |
b86bc4cf | 2800 | cupsdClearString(&con->query_string); |
ef416fc2 | 2801 | |
5ec1fd3d | 2802 | if (!httpGetKeepAlive(con->http)) |
ef416fc2 | 2803 | { |
996acce8 MS |
2804 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2805 | "Closing because Keep-Alive is disabled."); | |
ef416fc2 | 2806 | cupsdCloseClient(con); |
f7deaa1a | 2807 | return; |
ef416fc2 | 2808 | } |
f11a948a MS |
2809 | else |
2810 | { | |
2811 | cupsArrayRemove(ActiveClients, con); | |
2812 | cupsdSetBusyState(); | |
2813 | } | |
ef416fc2 | 2814 | } |
f7deaa1a | 2815 | } |
ef416fc2 | 2816 | |
f7deaa1a | 2817 | |
e1d6a774 | 2818 | /* |
2819 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2820 | */ | |
2821 | ||
2822 | static int /* O - 1 if modified since */ | |
2823 | check_if_modified( | |
2824 | cupsd_client_t *con, /* I - Client connection */ | |
2825 | struct stat *filestats) /* I - File information */ | |
2826 | { | |
5ec1fd3d | 2827 | const char *ptr; /* Pointer into field */ |
e1d6a774 | 2828 | time_t date; /* Time/date value */ |
2829 | off_t size; /* Size/length value */ | |
2830 | ||
2831 | ||
2832 | size = 0; | |
2833 | date = 0; | |
5ec1fd3d | 2834 | ptr = httpGetField(con->http, HTTP_FIELD_IF_MODIFIED_SINCE); |
e1d6a774 | 2835 | |
2836 | if (*ptr == '\0') | |
2837 | return (1); | |
2838 | ||
ffe32673 | 2839 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "check_if_modified: filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", filestats, CUPS_LLCAST filestats->st_size, (int)filestats->st_mtime, ptr); |
e1d6a774 | 2840 | |
2841 | while (*ptr != '\0') | |
2842 | { | |
2843 | while (isspace(*ptr) || *ptr == ';') | |
2844 | ptr ++; | |
2845 | ||
88f9aafc | 2846 | if (_cups_strncasecmp(ptr, "length=", 7) == 0) |
e1d6a774 | 2847 | { |
2848 | ptr += 7; | |
2849 | size = strtoll(ptr, NULL, 10); | |
2850 | ||
2851 | while (isdigit(*ptr)) | |
2852 | ptr ++; | |
2853 | } | |
2854 | else if (isalpha(*ptr)) | |
2855 | { | |
2856 | date = httpGetDateTime(ptr); | |
2857 | while (*ptr != '\0' && *ptr != ';') | |
2858 | ptr ++; | |
2859 | } | |
e53920b9 | 2860 | else |
2861 | ptr ++; | |
e1d6a774 | 2862 | } |
2863 | ||
e1d6a774 | 2864 | return ((size != filestats->st_size && size != 0) || |
2865 | (date < filestats->st_mtime && date != 0) || | |
2866 | (size == 0 && date == 0)); | |
2867 | } | |
2868 | ||
2869 | ||
3dfe78b3 MS |
2870 | /* |
2871 | * 'compare_clients()' - Compare two client connections. | |
2872 | */ | |
2873 | ||
2874 | static int /* O - Result of comparison */ | |
2875 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
2876 | cupsd_client_t *b, /* I - Second client */ | |
2877 | void *data) /* I - User data (not used) */ | |
2878 | { | |
2879 | (void)data; | |
2880 | ||
2881 | if (a == b) | |
2882 | return (0); | |
2883 | else if (a < b) | |
2884 | return (-1); | |
2885 | else | |
2886 | return (1); | |
2887 | } | |
2888 | ||
2889 | ||
d3d89474 MS |
2890 | #ifdef HAVE_SSL |
2891 | /* | |
2892 | * 'cupsd_start_tls()' - Start encryption on a connection. | |
2893 | */ | |
2894 | ||
2895 | static int /* O - 0 on success, -1 on error */ | |
2896 | cupsd_start_tls(cupsd_client_t *con, /* I - Client connection */ | |
2897 | http_encryption_t e) /* I - Encryption mode */ | |
2898 | { | |
d3d89474 MS |
2899 | if (httpEncryption(con->http, e)) |
2900 | { | |
2901 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to encrypt connection: %s", | |
2902 | cupsLastErrorString()); | |
2903 | return (-1); | |
2904 | } | |
2905 | ||
8719e9db | 2906 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Connection now encrypted."); |
d3d89474 MS |
2907 | return (0); |
2908 | } | |
2909 | #endif /* HAVE_SSL */ | |
2910 | ||
2911 | ||
ef416fc2 | 2912 | /* |
2913 | * 'get_file()' - Get a filename and state info. | |
2914 | */ | |
2915 | ||
2916 | static char * /* O - Real filename */ | |
2917 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
2918 | struct stat *filestats, /* O - File information */ | |
2919 | char *filename, /* IO - Filename buffer */ | |
07623986 | 2920 | size_t len) /* I - Buffer length */ |
ef416fc2 | 2921 | { |
2922 | int status; /* Status of filesystem calls */ | |
2923 | char *ptr; /* Pointer info filename */ | |
07623986 | 2924 | size_t plen; /* Remaining length after pointer */ |
d8a60ef8 MS |
2925 | char language[7], /* Language subdirectory, if any */ |
2926 | dest[1024]; /* Destination name */ | |
112fc3c0 | 2927 | int perm_check = 1; /* Do permissions check? */ |
ef416fc2 | 2928 | |
2929 | ||
2930 | /* | |
f7deaa1a | 2931 | * Figure out the real filename... |
ef416fc2 | 2932 | */ |
2933 | ||
db1f069b MS |
2934 | language[0] = '\0'; |
2935 | ||
7cf5915e | 2936 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
112fc3c0 | 2937 | { |
d8a60ef8 MS |
2938 | strlcpy(dest, con->uri + 5, sizeof(dest)); |
2939 | ptr = dest + strlen(dest) - 4; | |
2940 | ||
2941 | if (ptr <= dest || strcmp(ptr, ".ppd")) | |
2942 | { | |
2943 | cupsdLogClient(con, CUPSD_LOG_INFO, "Disallowed path \"%s\".", con->uri); | |
2944 | return (NULL); | |
2945 | } | |
2946 | ||
2947 | *ptr = '\0'; | |
2948 | if (!cupsdFindPrinter(dest)) | |
2949 | { | |
2950 | cupsdLogClient(con, CUPSD_LOG_INFO, "No printer \"%s\" found.", dest); | |
2951 | return (NULL); | |
2952 | } | |
2953 | ||
ef416fc2 | 2954 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
112fc3c0 MS |
2955 | |
2956 | perm_check = 0; | |
2957 | } | |
7cf5915e MS |
2958 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
2959 | { | |
d8a60ef8 MS |
2960 | strlcpy(dest, con->uri + 7, sizeof(dest)); |
2961 | ptr = dest + strlen(dest) - 4; | |
2962 | ||
2963 | if (ptr <= dest || strcmp(ptr, ".png")) | |
2964 | { | |
2965 | cupsdLogClient(con, CUPSD_LOG_INFO, "Disallowed path \"%s\".", con->uri); | |
2966 | return (NULL); | |
2967 | } | |
2968 | ||
2969 | *ptr = '\0'; | |
2970 | if (!cupsdFindDest(dest)) | |
2971 | { | |
2972 | cupsdLogClient(con, CUPSD_LOG_INFO, "No printer \"%s\" found.", dest); | |
2973 | return (NULL); | |
2974 | } | |
2975 | ||
2976 | snprintf(filename, len, "%s/%s.png", CacheDir, dest); | |
7cf5915e MS |
2977 | if (access(filename, F_OK) < 0) |
2978 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
112fc3c0 MS |
2979 | |
2980 | perm_check = 0; | |
7cf5915e | 2981 | } |
f7deaa1a | 2982 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
2983 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
112fc3c0 MS |
2984 | else if (!strcmp(con->uri, "/admin/conf/cupsd.conf")) |
2985 | { | |
2986 | strlcpy(filename, ConfigurationFile, len); | |
2987 | ||
2988 | perm_check = 0; | |
2989 | } | |
ef416fc2 | 2990 | else if (!strncmp(con->uri, "/admin/log/", 11)) |
2991 | { | |
2e4ff8af | 2992 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 2993 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 2994 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 2995 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 2996 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 2997 | strlcpy(filename, PageLog, len); |
2998 | else | |
2999 | return (NULL); | |
112fc3c0 MS |
3000 | |
3001 | perm_check = 0; | |
ef416fc2 | 3002 | } |
d6ae789d | 3003 | else if (con->language) |
db1f069b MS |
3004 | { |
3005 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
3006 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3007 | } | |
ef416fc2 | 3008 | else |
3009 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
3010 | ||
3011 | if ((ptr = strchr(filename, '?')) != NULL) | |
3012 | *ptr = '\0'; | |
3013 | ||
3014 | /* | |
3015 | * Grab the status for this language; if there isn't a language-specific file | |
3016 | * then fallback to the default one... | |
3017 | */ | |
3018 | ||
9e92ab19 | 3019 | if ((status = lstat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 3020 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 3021 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 3022 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 3023 | strncmp(con->uri, "/admin/conf/", 12) && |
3024 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 3025 | { |
3026 | /* | |
d6ae789d | 3027 | * Drop the country code... |
ef416fc2 | 3028 | */ |
3029 | ||
db1f069b MS |
3030 | language[3] = '\0'; |
3031 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 3032 | |
3033 | if ((ptr = strchr(filename, '?')) != NULL) | |
3034 | *ptr = '\0'; | |
3035 | ||
36618f45 | 3036 | if ((status = lstat(filename, filestats)) != 0) |
ef416fc2 | 3037 | { |
d6ae789d | 3038 | /* |
3039 | * Drop the language prefix and try the root directory... | |
3040 | */ | |
3041 | ||
db1f069b | 3042 | language[0] = '\0'; |
ef416fc2 | 3043 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
3044 | ||
3045 | if ((ptr = strchr(filename, '?')) != NULL) | |
3046 | *ptr = '\0'; | |
3047 | ||
36618f45 | 3048 | status = lstat(filename, filestats); |
ef416fc2 | 3049 | } |
3050 | } | |
3051 | ||
3052 | /* | |
36618f45 MS |
3053 | * If we've found a symlink, 404 the sucker to avoid disclosing information. |
3054 | */ | |
3055 | ||
3056 | if (!status && S_ISLNK(filestats->st_mode)) | |
3057 | { | |
3058 | cupsdLogClient(con, CUPSD_LOG_INFO, "Symlinks such as \"%s\" are not allowed.", filename); | |
3059 | return (NULL); | |
3060 | } | |
3061 | ||
3062 | /* | |
3063 | * Similarly, if the file/directory does not have world read permissions, do | |
3064 | * not allow access... | |
3065 | */ | |
3066 | ||
112fc3c0 | 3067 | if (!status && perm_check && !(filestats->st_mode & S_IROTH)) |
36618f45 MS |
3068 | { |
3069 | cupsdLogClient(con, CUPSD_LOG_INFO, "Files/directories such as \"%s\" must be world-readable.", filename); | |
3070 | return (NULL); | |
3071 | } | |
3072 | ||
3073 | /* | |
3074 | * If we've found a directory, get the index.html file instead... | |
ef416fc2 | 3075 | */ |
3076 | ||
3077 | if (!status && S_ISDIR(filestats->st_mode)) | |
3078 | { | |
db1f069b MS |
3079 | /* |
3080 | * Make sure the URI ends with a slash... | |
3081 | */ | |
ef416fc2 | 3082 | |
db1f069b MS |
3083 | if (con->uri[strlen(con->uri) - 1] != '/') |
3084 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3085 | |
db1f069b MS |
3086 | /* |
3087 | * Find the directory index file, trying every language... | |
3088 | */ | |
ef416fc2 | 3089 | |
db1f069b | 3090 | do |
ef416fc2 | 3091 | { |
db1f069b MS |
3092 | if (status && language[0]) |
3093 | { | |
3094 | /* | |
3095 | * Try a different language subset... | |
3096 | */ | |
3097 | ||
3098 | if (language[3]) | |
3099 | language[0] = '\0'; /* Strip country code */ | |
3100 | else | |
3101 | language[0] = '\0'; /* Strip language */ | |
3102 | } | |
3103 | ||
3104 | /* | |
3105 | * Look for the index file... | |
3106 | */ | |
3107 | ||
3108 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3109 | ||
3110 | if ((ptr = strchr(filename, '?')) != NULL) | |
3111 | *ptr = '\0'; | |
3112 | ||
3113 | ptr = filename + strlen(filename); | |
07623986 | 3114 | plen = len - (size_t)(ptr - filename); |
db1f069b MS |
3115 | |
3116 | strlcpy(ptr, "index.html", plen); | |
9e92ab19 | 3117 | status = lstat(filename, filestats); |
db1f069b MS |
3118 | |
3119 | #ifdef HAVE_JAVA | |
3120 | if (status) | |
3121 | { | |
3122 | strlcpy(ptr, "index.class", plen); | |
9e92ab19 | 3123 | status = lstat(filename, filestats); |
db1f069b | 3124 | } |
ef416fc2 | 3125 | #endif /* HAVE_JAVA */ |
3126 | ||
3127 | #ifdef HAVE_PERL | |
db1f069b MS |
3128 | if (status) |
3129 | { | |
3130 | strlcpy(ptr, "index.pl", plen); | |
9e92ab19 | 3131 | status = lstat(filename, filestats); |
db1f069b | 3132 | } |
ef416fc2 | 3133 | #endif /* HAVE_PERL */ |
3134 | ||
3135 | #ifdef HAVE_PHP | |
db1f069b MS |
3136 | if (status) |
3137 | { | |
3138 | strlcpy(ptr, "index.php", plen); | |
9e92ab19 | 3139 | status = lstat(filename, filestats); |
db1f069b | 3140 | } |
ef416fc2 | 3141 | #endif /* HAVE_PHP */ |
3142 | ||
3143 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3144 | if (status) |
3145 | { | |
3146 | strlcpy(ptr, "index.pyc", plen); | |
9e92ab19 | 3147 | status = lstat(filename, filestats); |
db1f069b | 3148 | } |
ef416fc2 | 3149 | |
db1f069b MS |
3150 | if (status) |
3151 | { | |
3152 | strlcpy(ptr, "index.py", plen); | |
9e92ab19 | 3153 | status = lstat(filename, filestats); |
db1f069b | 3154 | } |
ef416fc2 | 3155 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3156 | |
3157 | } | |
3158 | while (status && language[0]); | |
9e92ab19 MS |
3159 | |
3160 | /* | |
3161 | * If we've found a symlink, 404 the sucker to avoid disclosing information. | |
3162 | */ | |
3163 | ||
3164 | if (!status && S_ISLNK(filestats->st_mode)) | |
3165 | { | |
3166 | cupsdLogClient(con, CUPSD_LOG_INFO, "Symlinks such as \"%s\" are not allowed.", filename); | |
3167 | return (NULL); | |
3168 | } | |
2e667a52 MS |
3169 | |
3170 | /* | |
3171 | * Similarly, if the file/directory does not have world read permissions, do | |
3172 | * not allow access... | |
3173 | */ | |
3174 | ||
112fc3c0 | 3175 | if (!status && perm_check && !(filestats->st_mode & S_IROTH)) |
2e667a52 MS |
3176 | { |
3177 | cupsdLogClient(con, CUPSD_LOG_INFO, "Files/directories such as \"%s\" must be world-readable.", filename); | |
3178 | return (NULL); | |
3179 | } | |
ef416fc2 | 3180 | } |
3181 | ||
ffe32673 | 3182 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "get_file: filestats=%p, filename=%p, len=" CUPS_LLFMT ", returning \"%s\".", filestats, filename, CUPS_LLCAST len, status ? "(null)" : filename); |
ef416fc2 | 3183 | |
ef416fc2 | 3184 | if (status) |
3185 | return (NULL); | |
3186 | else | |
3187 | return (filename); | |
3188 | } | |
3189 | ||
3190 | ||
3191 | /* | |
c41769ff | 3192 | * 'install_cupsd_conf()' - Install a configuration file. |
ef416fc2 | 3193 | */ |
3194 | ||
3195 | static http_status_t /* O - Status */ | |
c41769ff | 3196 | install_cupsd_conf(cupsd_client_t *con) /* I - Connection */ |
ef416fc2 | 3197 | { |
321d8d57 | 3198 | char filename[1024]; /* Configuration filename */ |
ef416fc2 | 3199 | cups_file_t *in, /* Input file */ |
3200 | *out; /* Output file */ | |
321d8d57 MS |
3201 | char buffer[16384]; /* Copy buffer */ |
3202 | ssize_t bytes; /* Number of bytes */ | |
ef416fc2 | 3203 | |
3204 | ||
3205 | /* | |
321d8d57 | 3206 | * Open the request file... |
ef416fc2 | 3207 | */ |
3208 | ||
321d8d57 | 3209 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
ef416fc2 | 3210 | { |
996acce8 | 3211 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s", |
321d8d57 | 3212 | con->filename, strerror(errno)); |
eb93498a | 3213 | goto server_error; |
ef416fc2 | 3214 | } |
3215 | ||
3216 | /* | |
321d8d57 | 3217 | * Open the new config file... |
ef416fc2 | 3218 | */ |
3219 | ||
cb7f98ee | 3220 | if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL) |
ef416fc2 | 3221 | { |
3222 | cupsFileClose(in); | |
eb93498a | 3223 | goto server_error; |
ef416fc2 | 3224 | } |
3225 | ||
996acce8 | 3226 | cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...", |
cb7f98ee | 3227 | ConfigurationFile); |
ef416fc2 | 3228 | |
3229 | /* | |
3230 | * Copy from the request to the new config file... | |
3231 | */ | |
3232 | ||
3233 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
7e86f2f6 | 3234 | if (cupsFileWrite(out, buffer, (size_t)bytes) < bytes) |
ef416fc2 | 3235 | { |
996acce8 | 3236 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
321d8d57 | 3237 | "Unable to copy to config file \"%s\": %s", |
cb7f98ee | 3238 | ConfigurationFile, strerror(errno)); |
ef416fc2 | 3239 | |
3240 | cupsFileClose(in); | |
3241 | cupsFileClose(out); | |
321d8d57 | 3242 | |
cb7f98ee MS |
3243 | snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile); |
3244 | cupsdUnlinkOrRemoveFile(filename); | |
ef416fc2 | 3245 | |
eb93498a | 3246 | goto server_error; |
ef416fc2 | 3247 | } |
3248 | ||
3249 | /* | |
3250 | * Close the files... | |
3251 | */ | |
3252 | ||
3253 | cupsFileClose(in); | |
ef416fc2 | 3254 | |
cb7f98ee | 3255 | if (cupsdCloseCreatedConfFile(out, ConfigurationFile)) |
eb93498a | 3256 | goto server_error; |
ef416fc2 | 3257 | |
3258 | /* | |
3259 | * Remove the request file... | |
3260 | */ | |
3261 | ||
cb7f98ee | 3262 | cupsdUnlinkOrRemoveFile(con->filename); |
ef416fc2 | 3263 | cupsdClearString(&con->filename); |
3264 | ||
ef416fc2 | 3265 | /* |
c41769ff | 3266 | * Set the NeedReload flag... |
ef416fc2 | 3267 | */ |
3268 | ||
c41769ff | 3269 | NeedReload = RELOAD_CUPSD; |
ef416fc2 | 3270 | ReloadTime = time(NULL); |
3271 | ||
3272 | /* | |
3273 | * Return that the file was created successfully... | |
3274 | */ | |
3275 | ||
5ec1fd3d | 3276 | return (HTTP_STATUS_CREATED); |
eb93498a MS |
3277 | |
3278 | /* | |
3279 | * Common exit for errors... | |
3280 | */ | |
3281 | ||
3282 | server_error: | |
3283 | ||
3284 | cupsdUnlinkOrRemoveFile(con->filename); | |
3285 | cupsdClearString(&con->filename); | |
3286 | ||
3287 | return (HTTP_STATUS_SERVER_ERROR); | |
ef416fc2 | 3288 | } |
3289 | ||
3290 | ||
e1d6a774 | 3291 | /* |
3292 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3293 | */ | |
3294 | ||
3295 | static int /* O - 1 = CGI, 0 = file */ | |
3296 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3297 | const char *filename, /* I - Real filename */ | |
3298 | struct stat *filestats, /* I - File information */ | |
3299 | mime_type_t *type) /* I - MIME type */ | |
3300 | { | |
3301 | const char *options; /* Options on URL */ | |
3302 | ||
3303 | ||
e1d6a774 | 3304 | /* |
3305 | * Get the options, if any... | |
3306 | */ | |
3307 | ||
3308 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3309 | { |
3310 | options ++; | |
3311 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3312 | } | |
b86bc4cf | 3313 | |
e1d6a774 | 3314 | /* |
3315 | * Check for known types... | |
3316 | */ | |
3317 | ||
88f9aafc | 3318 | if (!type || _cups_strcasecmp(type->super, "application")) |
e1d6a774 | 3319 | { |
ffe32673 | 3320 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 0.", filename, filestats, type ? type->super : "unknown", type ? type->type : "unknown"); |
e1d6a774 | 3321 | return (0); |
3322 | } | |
3323 | ||
88f9aafc | 3324 | if (!_cups_strcasecmp(type->type, "x-httpd-cgi") && |
e1d6a774 | 3325 | (filestats->st_mode & 0111)) |
3326 | { | |
3327 | /* | |
3328 | * "application/x-httpd-cgi" is a CGI script. | |
3329 | */ | |
3330 | ||
3331 | cupsdSetString(&con->command, filename); | |
3332 | ||
a0f6818e MS |
3333 | if (options) |
3334 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3335 | |
ffe32673 | 3336 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type); |
e1d6a774 | 3337 | return (1); |
3338 | } | |
3339 | #ifdef HAVE_JAVA | |
88f9aafc | 3340 | else if (!_cups_strcasecmp(type->type, "x-httpd-java")) |
e1d6a774 | 3341 | { |
3342 | /* | |
3343 | * "application/x-httpd-java" is a Java servlet. | |
3344 | */ | |
3345 | ||
3346 | cupsdSetString(&con->command, CUPS_JAVA); | |
3347 | ||
3348 | if (options) | |
b94498cf | 3349 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3350 | else |
b94498cf | 3351 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3352 | |
ffe32673 | 3353 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type); |
e1d6a774 | 3354 | return (1); |
3355 | } | |
3356 | #endif /* HAVE_JAVA */ | |
3357 | #ifdef HAVE_PERL | |
88f9aafc | 3358 | else if (!_cups_strcasecmp(type->type, "x-httpd-perl")) |
e1d6a774 | 3359 | { |
3360 | /* | |
3361 | * "application/x-httpd-perl" is a Perl page. | |
3362 | */ | |
3363 | ||
3364 | cupsdSetString(&con->command, CUPS_PERL); | |
3365 | ||
3366 | if (options) | |
b94498cf | 3367 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3368 | else |
b94498cf | 3369 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3370 | |
ffe32673 | 3371 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type); |
e1d6a774 | 3372 | return (1); |
3373 | } | |
3374 | #endif /* HAVE_PERL */ | |
3375 | #ifdef HAVE_PHP | |
88f9aafc | 3376 | else if (!_cups_strcasecmp(type->type, "x-httpd-php")) |
e1d6a774 | 3377 | { |
3378 | /* | |
3379 | * "application/x-httpd-php" is a PHP page. | |
3380 | */ | |
3381 | ||
3382 | cupsdSetString(&con->command, CUPS_PHP); | |
3383 | ||
3384 | if (options) | |
b94498cf | 3385 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3386 | else |
b94498cf | 3387 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3388 | |
ffe32673 | 3389 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type); |
e1d6a774 | 3390 | return (1); |
3391 | } | |
3392 | #endif /* HAVE_PHP */ | |
3393 | #ifdef HAVE_PYTHON | |
88f9aafc | 3394 | else if (!_cups_strcasecmp(type->type, "x-httpd-python")) |
e1d6a774 | 3395 | { |
3396 | /* | |
3397 | * "application/x-httpd-python" is a Python page. | |
3398 | */ | |
3399 | ||
3400 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3401 | ||
3402 | if (options) | |
b94498cf | 3403 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3404 | else |
b94498cf | 3405 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3406 | |
ffe32673 | 3407 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type); |
e1d6a774 | 3408 | return (1); |
3409 | } | |
3410 | #endif /* HAVE_PYTHON */ | |
3411 | ||
ffe32673 | 3412 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 0.", filename, filestats, type->super, type->type); |
e1d6a774 | 3413 | return (0); |
3414 | } | |
3415 | ||
3416 | ||
ef416fc2 | 3417 | /* |
3418 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3419 | */ | |
3420 | ||
3421 | static int /* O - 0 if relative, 1 if absolute */ | |
3422 | is_path_absolute(const char *path) /* I - Input path */ | |
3423 | { | |
3424 | /* | |
3425 | * Check for a leading slash... | |
3426 | */ | |
3427 | ||
3428 | if (path[0] != '/') | |
3429 | return (0); | |
3430 | ||
12163006 MS |
3431 | /* |
3432 | * Check for "<" or quotes in the path and reject since this is probably | |
3433 | * someone trying to inject HTML... | |
3434 | */ | |
3435 | ||
3436 | if (strchr(path, '<') != NULL || strchr(path, '\"') != NULL || strchr(path, '\'') != NULL) | |
3437 | return (0); | |
3438 | ||
ef416fc2 | 3439 | /* |
3440 | * Check for "/.." in the path... | |
3441 | */ | |
3442 | ||
3443 | while ((path = strstr(path, "/..")) != NULL) | |
3444 | { | |
3445 | if (!path[3] || path[3] == '/') | |
3446 | return (0); | |
3447 | ||
3448 | path ++; | |
3449 | } | |
3450 | ||
3451 | /* | |
3452 | * If we haven't found any relative paths, return 1 indicating an | |
3453 | * absolute path... | |
3454 | */ | |
3455 | ||
3456 | return (1); | |
3457 | } | |
3458 | ||
3459 | ||
3460 | /* | |
3461 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
3462 | */ | |
3463 | ||
3464 | static int /* O - Process ID */ | |
3465 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
3466 | int infile, /* I - Standard input for command */ | |
3467 | int *outfile, /* O - Standard output for command */ | |
3468 | char *command, /* I - Command to run */ | |
3469 | char *options, /* I - Options for command */ | |
3470 | int root) /* I - Run as root? */ | |
3471 | { | |
3472 | int i; /* Looping var */ | |
3473 | int pid; /* Process ID */ | |
b423cd4c | 3474 | char *commptr, /* Command string pointer */ |
3475 | commch; /* Command string character */ | |
ef416fc2 | 3476 | char *uriptr; /* URI string pointer */ |
3477 | int fds[2]; /* Pipe FDs */ | |
3478 | int argc; /* Number of arguments */ | |
3479 | int envc; /* Number of environment variables */ | |
3480 | char argbuf[10240], /* Argument buffer */ | |
3481 | *argv[100], /* Argument strings */ | |
b94498cf | 3482 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 3483 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 3484 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 3485 | content_type[1024], /* CONTENT_TYPE environment variable */ |
3486 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 3487 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 3488 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
3489 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 3490 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 3491 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3492 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3493 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 3494 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 3495 | script_name[1024], /* SCRIPT_NAME environment variable */ |
3496 | server_name[1024], /* SERVER_NAME environment variable */ | |
3497 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 3498 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
ef416fc2 | 3499 | |
3500 | ||
3501 | /* | |
3502 | * Parse a copy of the options string, which is of the form: | |
3503 | * | |
b423cd4c | 3504 | * argument+argument+argument |
3505 | * ?argument+argument+argument | |
3506 | * param=value¶m=value | |
3507 | * ?param=value¶m=value | |
3508 | * /name?argument+argument+argument | |
3509 | * /name?param=value¶m=value | |
ef416fc2 | 3510 | * |
3511 | * If the string contains an "=" character after the initial name, | |
3512 | * then we treat it as a HTTP GET form request and make a copy of | |
3513 | * the remaining string for the environment variable. | |
3514 | * | |
3515 | * The string is always parsed out as command-line arguments, to | |
3516 | * be consistent with Apache... | |
3517 | */ | |
3518 | ||
ffe32673 | 3519 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "pipe_command: infile=%d, outfile=%p, command=\"%s\", options=\"%s\", root=%d", infile, outfile, command, options ? options : "(null)", root); |
ef416fc2 | 3520 | |
b86bc4cf | 3521 | argv[0] = command; |
ef416fc2 | 3522 | |
b423cd4c | 3523 | if (options) |
13713f49 | 3524 | strlcpy(argbuf, options, sizeof(argbuf)); |
b423cd4c | 3525 | else |
3526 | argbuf[0] = '\0'; | |
3527 | ||
3528 | if (argbuf[0] == '/') | |
ef416fc2 | 3529 | { |
3530 | /* | |
b423cd4c | 3531 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 3532 | */ |
3533 | ||
b423cd4c | 3534 | if ((commptr = strchr(argbuf, '?')) == NULL) |
3535 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 3536 | |
b423cd4c | 3537 | commch = *commptr; |
3538 | *commptr = '\0'; | |
3539 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
3540 | *commptr = commch; | |
3541 | } | |
3542 | else | |
3543 | { | |
3544 | commptr = argbuf; | |
3545 | path_info[0] = '\0'; | |
b94498cf | 3546 | |
3547 | if (*commptr == ' ') | |
3548 | commptr ++; | |
b423cd4c | 3549 | } |
ef416fc2 | 3550 | |
cb7f98ee | 3551 | if (*commptr == '?' && con->operation == HTTP_STATE_GET && !con->query_string) |
b423cd4c | 3552 | { |
3553 | commptr ++; | |
b86bc4cf | 3554 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 3555 | } |
ef416fc2 | 3556 | |
b423cd4c | 3557 | argc = 1; |
ef416fc2 | 3558 | |
b423cd4c | 3559 | if (*commptr) |
3560 | { | |
3561 | argv[argc ++] = commptr; | |
ef416fc2 | 3562 | |
b423cd4c | 3563 | for (; *commptr && argc < 99; commptr ++) |
3564 | { | |
ef416fc2 | 3565 | /* |
b423cd4c | 3566 | * Break arguments whenever we see a + or space... |
ef416fc2 | 3567 | */ |
3568 | ||
b423cd4c | 3569 | if (*commptr == ' ' || *commptr == '+') |
3570 | { | |
3571 | while (*commptr == ' ' || *commptr == '+') | |
3572 | *commptr++ = '\0'; | |
ef416fc2 | 3573 | |
b423cd4c | 3574 | /* |
3575 | * If we don't have a blank string, save it as another argument... | |
3576 | */ | |
ef416fc2 | 3577 | |
b423cd4c | 3578 | if (*commptr) |
3579 | { | |
3580 | argv[argc] = commptr; | |
3581 | argc ++; | |
3582 | } | |
3583 | else | |
3584 | break; | |
3585 | } | |
3586 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
3587 | isxdigit(commptr[2] & 255)) | |
3588 | { | |
3589 | /* | |
3590 | * Convert the %xx notation to the individual character. | |
3591 | */ | |
ef416fc2 | 3592 | |
b423cd4c | 3593 | if (commptr[1] >= '0' && commptr[1] <= '9') |
7e86f2f6 | 3594 | *commptr = (char)((commptr[1] - '0') << 4); |
b423cd4c | 3595 | else |
7e86f2f6 | 3596 | *commptr = (char)((tolower(commptr[1]) - 'a' + 10) << 4); |
ef416fc2 | 3597 | |
b423cd4c | 3598 | if (commptr[2] >= '0' && commptr[2] <= '9') |
3599 | *commptr |= commptr[2] - '0'; | |
3600 | else | |
3601 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 3602 | |
b423cd4c | 3603 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 3604 | |
b423cd4c | 3605 | /* |
3606 | * Check for a %00 and break if that is the case... | |
3607 | */ | |
ef416fc2 | 3608 | |
b423cd4c | 3609 | if (!*commptr) |
3610 | break; | |
3611 | } | |
ef416fc2 | 3612 | } |
3613 | } | |
3614 | ||
3615 | argv[argc] = NULL; | |
3616 | ||
ef416fc2 | 3617 | /* |
3618 | * Setup the environment variables as needed... | |
3619 | */ | |
3620 | ||
b94498cf | 3621 | if (con->username[0]) |
3622 | { | |
c7017ecc | 3623 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
996acce8 | 3624 | httpGetField(con->http, HTTP_FIELD_AUTHORIZATION)); |
b94498cf | 3625 | |
3626 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
3627 | *uriptr = '\0'; | |
3628 | } | |
3629 | else | |
3630 | auth_type[0] = '\0'; | |
3631 | ||
7dfedb92 MS |
3632 | if (con->request && |
3633 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
3634 | IPP_TAG_LANGUAGE)) != NULL) | |
3635 | { | |
3636 | switch (strlen(attr->values[0].string.text)) | |
3637 | { | |
3638 | default : | |
3639 | /* | |
3640 | * This is an unknown or badly formatted language code; use | |
3641 | * the POSIX locale... | |
3642 | */ | |
3643 | ||
5a9febac | 3644 | strlcpy(lang, "LANG=C", sizeof(lang)); |
7dfedb92 MS |
3645 | break; |
3646 | ||
3647 | case 2 : | |
3648 | /* | |
3649 | * Just the language code (ll)... | |
3650 | */ | |
3651 | ||
3652 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
3653 | attr->values[0].string.text); | |
3654 | break; | |
3655 | ||
3656 | case 5 : | |
3657 | /* | |
3658 | * Language and country code (ll-cc)... | |
3659 | */ | |
3660 | ||
3661 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
3662 | attr->values[0].string.text[0], | |
3663 | attr->values[0].string.text[1], | |
3664 | toupper(attr->values[0].string.text[3] & 255), | |
3665 | toupper(attr->values[0].string.text[4] & 255)); | |
3666 | break; | |
3667 | } | |
3668 | } | |
3669 | else if (con->language) | |
3670 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 3671 | else |
5a9febac | 3672 | strlcpy(lang, "LANG=C", sizeof(lang)); |
ef416fc2 | 3673 | |
5a9febac | 3674 | strlcpy(remote_addr, "REMOTE_ADDR=", sizeof(remote_addr)); |
5ec1fd3d | 3675 | httpAddrString(httpGetAddress(con->http), remote_addr + 12, |
ef416fc2 | 3676 | sizeof(remote_addr) - 12); |
3677 | ||
3678 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
5ec1fd3d | 3679 | httpGetHostname(con->http, NULL, 0)); |
ef416fc2 | 3680 | |
3681 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3682 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3683 | *uriptr = '\0'; | |
3684 | ||
b94498cf | 3685 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
3686 | DocumentRoot, script_name + 12); | |
3687 | ||
5629a813 | 3688 | snprintf(server_port, sizeof(server_port), "SERVER_PORT=%d", con->serverport); |
ef416fc2 | 3689 | |
5ec1fd3d | 3690 | if (httpGetField(con->http, HTTP_FIELD_HOST)[0]) |
0268488e MS |
3691 | { |
3692 | char *nameptr; /* Pointer to ":port" */ | |
3693 | ||
3694 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
5ec1fd3d | 3695 | httpGetField(con->http, HTTP_FIELD_HOST)); |
0268488e MS |
3696 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) |
3697 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
3698 | } | |
3699 | else | |
3700 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3701 | con->servername); | |
ef416fc2 | 3702 | |
3703 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3704 | ||
b94498cf | 3705 | if (auth_type[0]) |
3706 | envp[envc ++] = auth_type; | |
3707 | ||
ef416fc2 | 3708 | envp[envc ++] = lang; |
3709 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 3710 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 3711 | envp[envc ++] = server_name; |
3712 | envp[envc ++] = server_port; | |
3713 | envp[envc ++] = remote_addr; | |
3714 | envp[envc ++] = remote_host; | |
3715 | envp[envc ++] = script_name; | |
b94498cf | 3716 | envp[envc ++] = script_filename; |
ef416fc2 | 3717 | |
b423cd4c | 3718 | if (path_info[0]) |
3719 | envp[envc ++] = path_info; | |
3720 | ||
ef416fc2 | 3721 | if (con->username[0]) |
3722 | { | |
3723 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
3724 | ||
3725 | envp[envc ++] = remote_user; | |
3726 | } | |
3727 | ||
d21dc0ed | 3728 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1) |
ef416fc2 | 3729 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; |
d21dc0ed | 3730 | else if (httpGetVersion(con->http) == HTTP_VERSION_1_0) |
ef416fc2 | 3731 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; |
3732 | else | |
3733 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3734 | ||
d21dc0ed | 3735 | if (httpGetCookie(con->http)) |
ef416fc2 | 3736 | { |
3737 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
d21dc0ed | 3738 | httpGetCookie(con->http)); |
ef416fc2 | 3739 | envp[envc ++] = http_cookie; |
3740 | } | |
3741 | ||
5ec1fd3d | 3742 | if (httpGetField(con->http, HTTP_FIELD_USER_AGENT)[0]) |
ef416fc2 | 3743 | { |
3744 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
5ec1fd3d | 3745 | httpGetField(con->http, HTTP_FIELD_USER_AGENT)); |
ef416fc2 | 3746 | envp[envc ++] = http_user_agent; |
3747 | } | |
3748 | ||
5ec1fd3d | 3749 | if (httpGetField(con->http, HTTP_FIELD_REFERER)[0]) |
f7deaa1a | 3750 | { |
3751 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5ec1fd3d | 3752 | httpGetField(con->http, HTTP_FIELD_REFERER)); |
f7deaa1a | 3753 | envp[envc ++] = http_referer; |
3754 | } | |
3755 | ||
cb7f98ee | 3756 | if (con->operation == HTTP_STATE_GET) |
ef416fc2 | 3757 | { |
ef416fc2 | 3758 | envp[envc ++] = "REQUEST_METHOD=GET"; |
3759 | ||
b86bc4cf | 3760 | if (con->query_string) |
ef416fc2 | 3761 | { |
3762 | /* | |
3763 | * Add GET form variables after ?... | |
3764 | */ | |
3765 | ||
b86bc4cf | 3766 | envp[envc ++] = con->query_string; |
ef416fc2 | 3767 | } |
3dfe78b3 MS |
3768 | else |
3769 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 3770 | } |
3771 | else | |
3772 | { | |
e1d6a774 | 3773 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
3774 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 3775 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5ec1fd3d | 3776 | httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE)); |
ef416fc2 | 3777 | |
3778 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
3779 | envp[envc ++] = content_length; | |
3780 | envp[envc ++] = content_type; | |
3781 | } | |
3782 | ||
3783 | /* | |
3784 | * Tell the CGI if we are using encryption... | |
3785 | */ | |
3786 | ||
d21dc0ed | 3787 | if (httpIsEncrypted(con->http)) |
ef416fc2 | 3788 | envp[envc ++] = "HTTPS=ON"; |
3789 | ||
3790 | /* | |
3791 | * Terminate the environment array... | |
3792 | */ | |
3793 | ||
3794 | envp[envc] = NULL; | |
3795 | ||
38e73f87 | 3796 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 3797 | { |
3798 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
3799 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3800 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 3801 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
3802 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3803 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 3804 | } |
3805 | ||
3806 | /* | |
3807 | * Create a pipe for the output... | |
3808 | */ | |
3809 | ||
3810 | if (cupsdOpenPipe(fds)) | |
3811 | { | |
38e73f87 | 3812 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 3813 | argv[0], strerror(errno)); |
3814 | return (0); | |
3815 | } | |
3816 | ||
3817 | /* | |
3818 | * Then execute the command... | |
3819 | */ | |
3820 | ||
3821 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 3822 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 3823 | { |
3824 | /* | |
3825 | * Error - can't fork! | |
3826 | */ | |
3827 | ||
38e73f87 | 3828 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 3829 | strerror(errno)); |
3830 | ||
3831 | cupsdClosePipe(fds); | |
3832 | pid = 0; | |
3833 | } | |
3834 | else | |
3835 | { | |
3836 | /* | |
3837 | * Fork successful - return the PID... | |
3838 | */ | |
3839 | ||
3840 | if (con->username[0]) | |
0fa6c7fa | 3841 | cupsdAddCert(pid, con->username, con->type); |
ef416fc2 | 3842 | |
38e73f87 | 3843 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 3844 | |
3845 | *outfile = fds[0]; | |
3846 | close(fds[1]); | |
3847 | } | |
3848 | ||
ef416fc2 | 3849 | return (pid); |
3850 | } | |
3851 | ||
3852 | ||
e07d4801 MS |
3853 | /* |
3854 | * 'valid_host()' - Is the Host: field valid? | |
3855 | */ | |
3856 | ||
3857 | static int /* O - 1 if valid, 0 if not */ | |
3858 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
3859 | { | |
3860 | cupsd_alias_t *a; /* Current alias */ | |
3861 | cupsd_netif_t *netif; /* Current network interface */ | |
f2534050 MS |
3862 | const char *end; /* End character */ |
3863 | char *ptr; /* Pointer into host value */ | |
e07d4801 MS |
3864 | |
3865 | ||
f2534050 MS |
3866 | /* |
3867 | * Copy the Host: header for later use... | |
3868 | */ | |
3869 | ||
5ec1fd3d | 3870 | strlcpy(con->clientname, httpGetField(con->http, HTTP_FIELD_HOST), |
f2534050 MS |
3871 | sizeof(con->clientname)); |
3872 | if ((ptr = strrchr(con->clientname, ':')) != NULL && !strchr(ptr, ']')) | |
3873 | { | |
3874 | *ptr++ = '\0'; | |
3875 | con->clientport = atoi(ptr); | |
3876 | } | |
3877 | else | |
3878 | con->clientport = con->serverport; | |
3879 | ||
3880 | /* | |
3881 | * Then validate... | |
3882 | */ | |
e07d4801 | 3883 | |
5ec1fd3d | 3884 | if (httpAddrLocalhost(httpGetAddress(con->http))) |
e07d4801 MS |
3885 | { |
3886 | /* | |
3887 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
3888 | * addresses when accessing CUPS via the loopback interface... | |
3889 | */ | |
3890 | ||
f2534050 MS |
3891 | return (!_cups_strcasecmp(con->clientname, "localhost") || |
3892 | !_cups_strcasecmp(con->clientname, "localhost.") || | |
e07d4801 | 3893 | #ifdef __linux |
f2534050 | 3894 | !_cups_strcasecmp(con->clientname, "localhost.localdomain") || |
e07d4801 | 3895 | #endif /* __linux */ |
f2534050 MS |
3896 | !strcmp(con->clientname, "127.0.0.1") || |
3897 | !strcmp(con->clientname, "[::1]")); | |
e07d4801 MS |
3898 | } |
3899 | ||
37e7e6e0 | 3900 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3901 | /* |
3902 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
3903 | */ | |
3904 | ||
f2534050 MS |
3905 | if ((end = strrchr(con->clientname, '.')) != NULL && end > con->clientname && |
3906 | !end[1]) | |
a29fd7dd MS |
3907 | { |
3908 | /* | |
3909 | * "." on end, work back to second-to-last "."... | |
3910 | */ | |
f2534050 MS |
3911 | |
3912 | for (end --; end > con->clientname && *end != '.'; end --); | |
a29fd7dd MS |
3913 | } |
3914 | ||
3915 | if (end && (!_cups_strcasecmp(end, ".local") || | |
f2534050 | 3916 | !_cups_strcasecmp(end, ".local."))) |
e07d4801 | 3917 | return (1); |
37e7e6e0 | 3918 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3919 | |
3920 | /* | |
3921 | * Check if the hostname is an IP address... | |
3922 | */ | |
3923 | ||
f2534050 | 3924 | if (isdigit(con->clientname[0] & 255) || con->clientname[0] == '[') |
e07d4801 MS |
3925 | { |
3926 | /* | |
3927 | * Possible IPv4/IPv6 address... | |
3928 | */ | |
3929 | ||
e07d4801 MS |
3930 | http_addrlist_t *addrlist; /* List of addresses */ |
3931 | ||
3932 | ||
f2534050 | 3933 | if ((addrlist = httpAddrGetList(con->clientname, AF_UNSPEC, NULL)) != NULL) |
e07d4801 MS |
3934 | { |
3935 | /* | |
3936 | * Good IPv4/IPv6 address... | |
3937 | */ | |
3938 | ||
3939 | httpAddrFreeList(addrlist); | |
3940 | return (1); | |
3941 | } | |
3942 | } | |
3943 | ||
3944 | /* | |
3945 | * Check for (alias) name matches... | |
3946 | */ | |
3947 | ||
3948 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
3949 | a; | |
3950 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
3951 | { | |
3952 | /* | |
3953 | * "ServerAlias *" allows all host values through... | |
3954 | */ | |
3955 | ||
3956 | if (!strcmp(a->name, "*")) | |
3957 | return (1); | |
3958 | ||
f2534050 | 3959 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3960 | { |
3961 | /* | |
f2534050 | 3962 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3963 | */ |
3964 | ||
f2534050 | 3965 | end = con->clientname + a->namelen; |
e07d4801 | 3966 | |
f2534050 | 3967 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3968 | return (1); |
3969 | } | |
3970 | } | |
3971 | ||
37e7e6e0 | 3972 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3973 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); |
3974 | a; | |
3975 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
3976 | { | |
3977 | /* | |
3978 | * "ServerAlias *" allows all host values through... | |
3979 | */ | |
3980 | ||
3981 | if (!strcmp(a->name, "*")) | |
3982 | return (1); | |
3983 | ||
f2534050 | 3984 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3985 | { |
3986 | /* | |
f2534050 | 3987 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3988 | */ |
3989 | ||
f2534050 | 3990 | end = con->clientname + a->namelen; |
e07d4801 | 3991 | |
f2534050 | 3992 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3993 | return (1); |
3994 | } | |
3995 | } | |
37e7e6e0 | 3996 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3997 | |
3998 | /* | |
3999 | * Check for interface hostname matches... | |
4000 | */ | |
4001 | ||
4002 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
4003 | netif; | |
4004 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
4005 | { | |
f2534050 | 4006 | if (!_cups_strncasecmp(con->clientname, netif->hostname, netif->hostlen)) |
e07d4801 MS |
4007 | { |
4008 | /* | |
f2534050 | 4009 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
4010 | */ |
4011 | ||
f2534050 | 4012 | end = con->clientname + netif->hostlen; |
e07d4801 | 4013 | |
f2534050 | 4014 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
4015 | return (1); |
4016 | } | |
4017 | } | |
4018 | ||
4019 | return (0); | |
4020 | } | |
4021 | ||
4022 | ||
ef416fc2 | 4023 | /* |
a74454a7 | 4024 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 4025 | */ |
4026 | ||
4027 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 4028 | write_file(cupsd_client_t *con, /* I - Client connection */ |
4029 | http_status_t code, /* I - HTTP status */ | |
4030 | char *filename, /* I - Filename */ | |
4031 | char *type, /* I - File type */ | |
4032 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 4033 | { |
4034 | con->file = open(filename, O_RDONLY); | |
4035 | ||
ffe32673 | 4036 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_file: code=%d, filename=\"%s\" (%d), type=\"%s\", filestats=%p.", code, filename, con->file, type ? type : "(null)", filestats); |
e1d6a774 | 4037 | |
4038 | if (con->file < 0) | |
4039 | return (0); | |
4040 | ||
4041 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
4042 | ||
dfc45c1b MS |
4043 | con->pipe_pid = 0; |
4044 | con->sent_header = 1; | |
e1d6a774 | 4045 | |
a73ca01e MS |
4046 | httpClearFields(con->http); |
4047 | ||
7e86f2f6 | 4048 | httpSetLength(con->http, (size_t)filestats->st_size); |
e1d6a774 | 4049 | |
e200616a MS |
4050 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
4051 | httpGetDateString(filestats->st_mtime)); | |
e1d6a774 | 4052 | |
e200616a | 4053 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
07725fee | 4054 | return (0); |
d09495fa | 4055 | |
43dcaf3b | 4056 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
e1d6a774 | 4057 | |
996acce8 | 4058 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending file."); |
1bc82dd9 | 4059 | |
e1d6a774 | 4060 | return (1); |
4061 | } | |
4062 | ||
4063 | ||
4064 | /* | |
f899b121 | 4065 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
4066 | */ | |
4067 | ||
4068 | static void | |
4069 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
4070 | { | |
ffe32673 | 4071 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe: CGI output on fd %d.", con->file); |
f899b121 | 4072 | |
4073 | con->file_ready = 1; | |
4074 | ||
4075 | cupsdRemoveSelect(con->file); | |
996acce8 | 4076 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
1bc82dd9 | 4077 | |
996acce8 | 4078 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent."); |
f899b121 | 4079 | } |