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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
5ec1fd3d | 4 | * Client routines for the CUPS scheduler. |
ef416fc2 | 5 | * |
5ec1fd3d MS |
6 | * Copyright 2007-2013 by Apple Inc. |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
f7deaa1a | 8 | * |
5ec1fd3d MS |
9 | * This file contains Kerberos support code, copyright 2006 by |
10 | * Jelmer Vernooij. | |
ef416fc2 | 11 | * |
5ec1fd3d MS |
12 | * These coded instructions, statements, and computer programs are the |
13 | * property of Apple Inc. and are protected by Federal copyright | |
14 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
15 | * which should have been included with this file. If this file is | |
16 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 17 | */ |
18 | ||
19 | /* | |
20 | * Include necessary headers... | |
21 | */ | |
22 | ||
5ec1fd3d | 23 | #define _CUPS_NO_DEPRECATED |
d21dc0ed | 24 | #define _HTTP_NO_PRIVATE |
ef416fc2 | 25 | #include "cupsd.h" |
26 | ||
cb7f98ee MS |
27 | #ifdef __APPLE__ |
28 | # include <libproc.h> | |
29 | #endif /* __APPLE__ */ | |
749b1e90 MS |
30 | #ifdef HAVE_TCPD_H |
31 | # include <tcpd.h> | |
32 | #endif /* HAVE_TCPD_H */ | |
33 | ||
ef416fc2 | 34 | |
35 | /* | |
36 | * Local functions... | |
37 | */ | |
38 | ||
39 | static int check_if_modified(cupsd_client_t *con, | |
40 | struct stat *filestats); | |
3dfe78b3 MS |
41 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
42 | void *data); | |
d3d89474 MS |
43 | #ifdef HAVE_SSL |
44 | static int cupsd_start_tls(cupsd_client_t *con, http_encryption_t e); | |
45 | #endif /* HAVE_SSL */ | |
f7deaa1a | 46 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 47 | char *filename, int len); |
c41769ff | 48 | static http_status_t install_cupsd_conf(cupsd_client_t *con); |
e1d6a774 | 49 | static int is_cgi(cupsd_client_t *con, const char *filename, |
50 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 51 | static int is_path_absolute(const char *path); |
52 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, | |
53 | char *command, char *options, int root); | |
e07d4801 | 54 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 55 | static int write_file(cupsd_client_t *con, http_status_t code, |
56 | char *filename, char *type, | |
57 | struct stat *filestats); | |
f899b121 | 58 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 59 | |
60 | ||
61 | /* | |
62 | * 'cupsdAcceptClient()' - Accept a new client. | |
63 | */ | |
64 | ||
65 | void | |
66 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
67 | { | |
48bd1142 | 68 | const char *hostname; /* Hostname of client */ |
996acce8 | 69 | char name[256]; /* Hostname of client */ |
ef416fc2 | 70 | int count; /* Count of connections on a host */ |
bd7854cb | 71 | cupsd_client_t *con, /* New client pointer */ |
72 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 73 | socklen_t addrlen; /* Length of address */ |
ef416fc2 | 74 | http_addr_t temp; /* Temporary address variable */ |
75 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
76 | #ifdef HAVE_TCPD_H |
77 | struct request_info wrap_req; /* TCP wrappers request information */ | |
78 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 79 | |
80 | ||
81 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 | 82 | "cupsdAcceptClient(lis=%p(%d)) Clients=%d", |
bd7854cb | 83 | lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 84 | |
85 | /* | |
86 | * Make sure we don't have a full set of clients already... | |
87 | */ | |
88 | ||
bd7854cb | 89 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 90 | return; |
91 | ||
92 | /* | |
93 | * Get a pointer to the next available client... | |
94 | */ | |
95 | ||
bd7854cb | 96 | if (!Clients) |
97 | Clients = cupsArrayNew(NULL, NULL); | |
98 | ||
99 | if (!Clients) | |
91c84a35 MS |
100 | { |
101 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
102 | "Unable to allocate memory for clients array!"); |
103 | cupsdPauseListening(); | |
104 | return; | |
105 | } | |
106 | ||
107 | if (!ActiveClients) | |
108 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
109 | ||
110 | if (!ActiveClients) | |
111 | { | |
112 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
113 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 114 | cupsdPauseListening(); |
bd7854cb | 115 | return; |
91c84a35 | 116 | } |
bd7854cb | 117 | |
91c84a35 MS |
118 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
119 | { | |
120 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
121 | cupsdPauseListening(); | |
122 | return; | |
123 | } | |
ef416fc2 | 124 | |
ef416fc2 | 125 | /* |
126 | * Accept the client and get the remote address... | |
127 | */ | |
128 | ||
996acce8 MS |
129 | con->number = ++ LastClientNumber; |
130 | con->file = -1; | |
ef416fc2 | 131 | |
996acce8 | 132 | if ((con->http = httpAcceptConnection(lis->fd, 0)) == NULL) |
ef416fc2 | 133 | { |
76cd9e37 MS |
134 | if (errno == ENFILE || errno == EMFILE) |
135 | cupsdPauseListening(); | |
136 | ||
ef416fc2 | 137 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
138 | strerror(errno)); | |
bd7854cb | 139 | free(con); |
76cd9e37 | 140 | |
ef416fc2 | 141 | return; |
142 | } | |
143 | ||
22c9029b | 144 | /* |
996acce8 | 145 | * Save the connected address and port number... |
22c9029b | 146 | */ |
ef416fc2 | 147 | |
996acce8 | 148 | con->clientaddr = lis->address; |
ef416fc2 | 149 | |
ef416fc2 | 150 | /* |
151 | * Check the number of clients on the same address... | |
152 | */ | |
153 | ||
bd7854cb | 154 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
155 | tempcon; | |
156 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 157 | if (httpAddrEqual(httpGetAddress(tempcon->http), httpGetAddress(con->http))) |
ef416fc2 | 158 | { |
159 | count ++; | |
160 | if (count >= MaxClientsPerHost) | |
161 | break; | |
162 | } | |
163 | ||
164 | if (count >= MaxClientsPerHost) | |
165 | { | |
166 | if ((time(NULL) - last_dos) >= 60) | |
167 | { | |
168 | last_dos = time(NULL); | |
169 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 170 | "Possible DoS attack - more than %d clients connecting " |
996acce8 | 171 | "from %s.", |
749b1e90 | 172 | MaxClientsPerHost, |
996acce8 | 173 | httpGetHostname(con->http, name, sizeof(name))); |
ef416fc2 | 174 | } |
175 | ||
996acce8 | 176 | httpClose(con->http); |
bd7854cb | 177 | free(con); |
ef416fc2 | 178 | return; |
179 | } | |
180 | ||
181 | /* | |
182 | * Get the hostname or format the IP address as needed... | |
183 | */ | |
184 | ||
48bd1142 MS |
185 | if (HostNameLookups) |
186 | hostname = httpResolveHostname(con->http, NULL, 0); | |
ef416fc2 | 187 | else |
48bd1142 | 188 | hostname = httpGetHostname(con->http, NULL, 0); |
ef416fc2 | 189 | |
190 | if (hostname == NULL && HostNameLookups == 2) | |
191 | { | |
192 | /* | |
193 | * Can't have an unresolved IP address with double-lookups enabled... | |
194 | */ | |
195 | ||
996acce8 | 196 | httpClose(con->http); |
ef416fc2 | 197 | |
996acce8 | 198 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 199 | "Name lookup failed - connection from %s closed!", |
5ec1fd3d | 200 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 201 | |
202 | free(con); | |
ef416fc2 | 203 | return; |
204 | } | |
205 | ||
206 | if (HostNameLookups == 2) | |
207 | { | |
208 | /* | |
209 | * Do double lookups as needed... | |
210 | */ | |
211 | ||
48bd1142 MS |
212 | http_addrlist_t *addrlist, /* List of addresses */ |
213 | *addr; /* Current address */ | |
214 | ||
215 | if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, NULL)) != NULL) | |
ef416fc2 | 216 | { |
217 | /* | |
218 | * See if the hostname maps to the same IP address... | |
219 | */ | |
220 | ||
221 | for (addr = addrlist; addr; addr = addr->next) | |
5ec1fd3d | 222 | if (httpAddrEqual(httpGetAddress(con->http), &(addr->addr))) |
ef416fc2 | 223 | break; |
224 | } | |
225 | else | |
226 | addr = NULL; | |
227 | ||
228 | httpAddrFreeList(addrlist); | |
229 | ||
230 | if (!addr) | |
231 | { | |
232 | /* | |
233 | * Can't have a hostname that doesn't resolve to the same IP address | |
234 | * with double-lookups enabled... | |
235 | */ | |
236 | ||
996acce8 | 237 | httpClose(con->http); |
ef416fc2 | 238 | |
996acce8 | 239 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 240 | "IP lookup failed - connection from %s closed!", |
5ec1fd3d | 241 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 242 | free(con); |
ef416fc2 | 243 | return; |
244 | } | |
245 | } | |
246 | ||
749b1e90 MS |
247 | #ifdef HAVE_TCPD_H |
248 | /* | |
249 | * See if the connection is denied by TCP wrappers... | |
250 | */ | |
251 | ||
996acce8 MS |
252 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, httpGetFd(con->http), |
253 | NULL); | |
749b1e90 MS |
254 | fromhost(&wrap_req); |
255 | ||
256 | if (!hosts_access(&wrap_req)) | |
257 | { | |
996acce8 | 258 | httpClose(con->http); |
749b1e90 | 259 | |
996acce8 | 260 | cupsdLogClient(con, CUPSD_LOG_WARN, |
749b1e90 | 261 | "Connection from %s refused by /etc/hosts.allow and " |
5ec1fd3d | 262 | "/etc/hosts.deny rules.", httpGetHostname(con->http, NULL, 0)); |
749b1e90 MS |
263 | free(con); |
264 | return; | |
265 | } | |
266 | #endif /* HAVE_TCPD_H */ | |
267 | ||
ef416fc2 | 268 | #ifdef AF_LOCAL |
5ec1fd3d | 269 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
cb7f98ee MS |
270 | { |
271 | # ifdef __APPLE__ | |
272 | socklen_t peersize; /* Size of peer credentials */ | |
273 | pid_t peerpid; /* Peer process ID */ | |
996acce8 | 274 | char peername[256]; /* Name of process */ |
cb7f98ee MS |
275 | |
276 | peersize = sizeof(peerpid); | |
996acce8 MS |
277 | if (!getsockopt(con->number, SOL_LOCAL, LOCAL_PEERPID, &peerpid, |
278 | &peersize)) | |
cb7f98ee | 279 | { |
996acce8 MS |
280 | if (!proc_name(peerpid, peername, sizeof(peername))) |
281 | cupsdLogClient(con, CUPSD_LOG_DEBUG, | |
282 | "Accepted from %s (Domain ???[%d])", | |
5ec1fd3d | 283 | httpGetHostname(con->http, NULL, 0), (int)peerpid); |
cb7f98ee | 284 | else |
996acce8 MS |
285 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
286 | "Accepted from %s (Domain %s[%d])", | |
5ec1fd3d | 287 | httpGetHostname(con->http, NULL, 0), name, (int)peerpid); |
cb7f98ee MS |
288 | } |
289 | else | |
290 | # endif /* __APPLE__ */ | |
291 | ||
996acce8 | 292 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s (Domain)", |
5ec1fd3d | 293 | httpGetHostname(con->http, NULL, 0)); |
cb7f98ee | 294 | } |
ef416fc2 | 295 | else |
296 | #endif /* AF_LOCAL */ | |
996acce8 | 297 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s:%d (IPv%d)", |
5ec1fd3d MS |
298 | httpGetHostname(con->http, NULL, 0), |
299 | httpAddrPort(httpGetAddress(con->http)), | |
300 | httpAddrFamily(httpGetAddress(con->http)) == AF_INET ? 4 : 6); | |
ef416fc2 | 301 | |
302 | /* | |
303 | * Get the local address the client connected to... | |
304 | */ | |
305 | ||
306 | addrlen = sizeof(temp); | |
996acce8 | 307 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&temp, &addrlen)) |
ef416fc2 | 308 | { |
996acce8 MS |
309 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get local address - %s", |
310 | strerror(errno)); | |
ef416fc2 | 311 | |
5a9febac | 312 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
ef416fc2 | 313 | con->serverport = LocalPort; |
314 | } | |
22c9029b | 315 | #ifdef AF_LOCAL |
5ec1fd3d | 316 | else if (httpAddrFamily(&temp) == AF_LOCAL) |
22c9029b | 317 | { |
5a9febac | 318 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
22c9029b MS |
319 | con->serverport = LocalPort; |
320 | } | |
321 | #endif /* AF_LOCAL */ | |
ef416fc2 | 322 | else |
323 | { | |
22c9029b MS |
324 | if (httpAddrLocalhost(&temp)) |
325 | strlcpy(con->servername, "localhost", sizeof(con->servername)); | |
6961465f | 326 | else if (HostNameLookups) |
22c9029b | 327 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
ef416fc2 | 328 | else |
22c9029b | 329 | httpAddrString(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e | 330 | |
a469f8a5 | 331 | con->serverport = httpAddrPort(&(lis->address)); |
ef416fc2 | 332 | } |
333 | ||
dcb445bc MS |
334 | /* |
335 | * Add the connection to the array of active clients... | |
336 | */ | |
337 | ||
bd7854cb | 338 | cupsArrayAdd(Clients, con); |
339 | ||
ef416fc2 | 340 | /* |
b9faaae1 | 341 | * Add the socket to the server select. |
ef416fc2 | 342 | */ |
343 | ||
996acce8 MS |
344 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, |
345 | con); | |
ef416fc2 | 346 | |
996acce8 | 347 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 348 | |
ef416fc2 | 349 | /* |
350 | * Temporarily suspend accept()'s until we lose a client... | |
351 | */ | |
352 | ||
bd7854cb | 353 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 354 | cupsdPauseListening(); |
355 | ||
356 | #ifdef HAVE_SSL | |
357 | /* | |
358 | * See if we are connecting on a secure port... | |
359 | */ | |
360 | ||
5ec1fd3d | 361 | if (lis->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 362 | { |
363 | /* | |
364 | * https connection; go secure... | |
365 | */ | |
366 | ||
d3d89474 | 367 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
411affcf | 368 | cupsdCloseClient(con); |
ef416fc2 | 369 | } |
370 | else | |
371 | con->auto_ssl = 1; | |
372 | #endif /* HAVE_SSL */ | |
373 | } | |
374 | ||
375 | ||
376 | /* | |
377 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
378 | */ | |
379 | ||
380 | void | |
381 | cupsdCloseAllClients(void) | |
382 | { | |
bd7854cb | 383 | cupsd_client_t *con; /* Current client */ |
384 | ||
385 | ||
b9faaae1 MS |
386 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", |
387 | cupsArrayCount(Clients)); | |
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 | |
487 | cupsdClearString(&con->filename); | |
488 | cupsdClearString(&con->command); | |
489 | cupsdClearString(&con->options); | |
b86bc4cf | 490 | cupsdClearString(&con->query_string); |
ef416fc2 | 491 | |
492 | if (con->request) | |
493 | { | |
494 | ippDelete(con->request); | |
495 | con->request = NULL; | |
496 | } | |
497 | ||
498 | if (con->response) | |
499 | { | |
500 | ippDelete(con->response); | |
501 | con->response = NULL; | |
502 | } | |
503 | ||
504 | if (con->language) | |
505 | { | |
506 | cupsLangFree(con->language); | |
507 | con->language = NULL; | |
508 | } | |
509 | ||
f7deaa1a | 510 | #ifdef HAVE_AUTHORIZATION_H |
511 | if (con->authref) | |
512 | { | |
513 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
514 | con->authref = NULL; | |
515 | } | |
516 | #endif /* HAVE_AUTHORIZATION_H */ | |
517 | ||
ef416fc2 | 518 | /* |
519 | * Re-enable new client connections if we are going back under the | |
520 | * limit... | |
521 | */ | |
522 | ||
bd7854cb | 523 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 524 | cupsdResumeListening(); |
525 | ||
526 | /* | |
527 | * Compact the list of clients as necessary... | |
528 | */ | |
529 | ||
bd7854cb | 530 | cupsArrayRemove(Clients, con); |
ef416fc2 | 531 | |
bd7854cb | 532 | free(con); |
ef416fc2 | 533 | } |
534 | ||
535 | return (partial); | |
536 | } | |
537 | ||
538 | ||
ef416fc2 | 539 | /* |
540 | * 'cupsdReadClient()' - Read data from a client. | |
541 | */ | |
542 | ||
f7deaa1a | 543 | void |
ef416fc2 | 544 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
545 | { | |
546 | char line[32768], /* Line from client... */ | |
ef416fc2 | 547 | locale[64], /* Locale */ |
548 | *ptr; /* Pointer into strings */ | |
ef416fc2 | 549 | http_status_t status; /* Transfer status */ |
550 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
551 | int bytes; /* Number of bytes to POST */ | |
552 | char *filename; /* Name of file for GET/HEAD */ | |
553 | char buf[1024]; /* Buffer for real filename */ | |
554 | struct stat filestats; /* File information */ | |
555 | mime_type_t *type; /* MIME type of file */ | |
556 | cupsd_printer_t *p; /* Printer */ | |
557 | static unsigned request_id = 0; /* Request ID for temp files */ | |
558 | ||
559 | ||
5ec1fd3d | 560 | status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 561 | |
996acce8 MS |
562 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
563 | "cupsdReadClient " | |
564 | "error=%d, " | |
565 | "used=%d, " | |
566 | "state=%s, " | |
567 | "data_encoding=HTTP_ENCODING_%s, " | |
568 | "data_remaining=" CUPS_LLFMT ", " | |
569 | "request=%p(%s), " | |
570 | "file=%d", | |
5ec1fd3d MS |
571 | httpError(con->http), (int)httpGetReady(con->http), |
572 | httpStateString(httpGetState(con->http)), | |
573 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", | |
574 | CUPS_LLCAST httpGetRemaining(con->http), | |
996acce8 | 575 | con->request, |
a73ca01e | 576 | con->request ? ippStateString(ippGetState(con->request)) : "", |
996acce8 | 577 | con->file); |
ef416fc2 | 578 | |
43dcaf3b MS |
579 | if (httpGetState(con->http) == HTTP_STATE_GET_SEND || |
580 | httpGetState(con->http) == HTTP_STATE_POST_SEND || | |
581 | httpGetState(con->http) == HTTP_STATE_STATUS) | |
582 | { | |
583 | /* | |
584 | * If we get called in the wrong state, then something went wrong with the | |
585 | * connection and we need to shut it down... | |
586 | */ | |
587 | ||
588 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.", | |
589 | httpStateString(httpGetState(con->http))); | |
590 | cupsdCloseClient(con); | |
591 | return; | |
592 | } | |
593 | ||
594 | ||
ef416fc2 | 595 | #ifdef HAVE_SSL |
596 | if (con->auto_ssl) | |
597 | { | |
598 | /* | |
599 | * Automatically check for a SSL/TLS handshake... | |
600 | */ | |
601 | ||
602 | con->auto_ssl = 0; | |
603 | ||
996acce8 | 604 | if (recv(httpGetFd(con->http), buf, 1, MSG_PEEK) == 1 && |
ef416fc2 | 605 | (!buf[0] || !strchr("DGHOPT", buf[0]))) |
606 | { | |
607 | /* | |
608 | * Encrypt this connection... | |
609 | */ | |
610 | ||
996acce8 MS |
611 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
612 | "Saw first byte %02X, auto-negotiating " | |
613 | "SSL/TLS session.", buf[0] & 255); | |
ef416fc2 | 614 | |
d3d89474 | 615 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
f7deaa1a | 616 | cupsdCloseClient(con); |
411affcf | 617 | |
f7deaa1a | 618 | return; |
ef416fc2 | 619 | } |
620 | } | |
621 | #endif /* HAVE_SSL */ | |
622 | ||
5ec1fd3d | 623 | switch (httpGetState(con->http)) |
ef416fc2 | 624 | { |
cb7f98ee | 625 | case HTTP_STATE_WAITING : |
ef416fc2 | 626 | /* |
627 | * See if we've received a request line... | |
628 | */ | |
629 | ||
d21dc0ed MS |
630 | con->operation = httpReadRequest(con->http, con->uri, sizeof(con->uri)); |
631 | if (con->operation == HTTP_STATE_ERROR || | |
632 | con->operation == HTTP_STATE_UNKNOWN_METHOD || | |
633 | con->operation == HTTP_STATE_UNKNOWN_VERSION) | |
ef416fc2 | 634 | { |
d21dc0ed | 635 | if (httpError(con->http)) |
996acce8 MS |
636 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
637 | "HTTP_STATE_WAITING Closing for error %d (%s)", | |
5ec1fd3d | 638 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 639 | else |
996acce8 | 640 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
d21dc0ed MS |
641 | "HTTP_STATE_WAITING Closing on error: %s", |
642 | cupsLastErrorString()); | |
f11a948a | 643 | |
f7deaa1a | 644 | cupsdCloseClient(con); |
645 | return; | |
ef416fc2 | 646 | } |
647 | ||
648 | /* | |
649 | * Ignore blank request lines... | |
650 | */ | |
651 | ||
d21dc0ed | 652 | if (con->operation == HTTP_STATE_WAITING) |
ef416fc2 | 653 | break; |
654 | ||
655 | /* | |
656 | * Clear other state variables... | |
657 | */ | |
658 | ||
d21dc0ed MS |
659 | con->bytes = 0; |
660 | con->file = -1; | |
661 | con->file_ready = 0; | |
662 | con->pipe_pid = 0; | |
663 | con->username[0] = '\0'; | |
664 | con->password[0] = '\0'; | |
ef416fc2 | 665 | |
666 | cupsdClearString(&con->command); | |
667 | cupsdClearString(&con->options); | |
b86bc4cf | 668 | cupsdClearString(&con->query_string); |
ef416fc2 | 669 | |
2abf387c | 670 | if (con->request) |
671 | { | |
672 | ippDelete(con->request); | |
673 | con->request = NULL; | |
674 | } | |
675 | ||
676 | if (con->response) | |
677 | { | |
678 | ippDelete(con->response); | |
679 | con->response = NULL; | |
680 | } | |
681 | ||
682 | if (con->language) | |
ef416fc2 | 683 | { |
684 | cupsLangFree(con->language); | |
685 | con->language = NULL; | |
686 | } | |
687 | ||
09a101d6 | 688 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 689 | con->have_gss = 0; |
07ed0e9a | 690 | con->gss_uid = 0; |
09a101d6 | 691 | #endif /* HAVE_GSSAPI */ |
692 | ||
ef416fc2 | 693 | /* |
694 | * Handle full URLs in the request line... | |
695 | */ | |
696 | ||
697 | if (strcmp(con->uri, "*")) | |
698 | { | |
e6013cfa | 699 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 700 | userpass[HTTP_MAX_URI], /* Username:password */ |
701 | hostname[HTTP_MAX_URI], /* Hostname */ | |
702 | resource[HTTP_MAX_URI]; /* Resource path */ | |
703 | int port; /* Port number */ | |
704 | ||
ef416fc2 | 705 | /* |
706 | * Separate the URI into its components... | |
707 | */ | |
708 | ||
d21dc0ed MS |
709 | if (httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
710 | scheme, sizeof(scheme), | |
711 | userpass, sizeof(userpass), | |
712 | hostname, sizeof(hostname), &port, | |
713 | resource, sizeof(resource)) < HTTP_URI_STATUS_OK) | |
714 | { | |
715 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", | |
716 | con->uri); | |
717 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); | |
718 | cupsdCloseClient(con); | |
719 | return; | |
720 | } | |
ef416fc2 | 721 | |
d21dc0ed | 722 | /* |
ef416fc2 | 723 | * Only allow URIs with the servername, localhost, or an IP |
724 | * address... | |
725 | */ | |
726 | ||
e6013cfa | 727 | if (strcmp(scheme, "file") && |
88f9aafc MS |
728 | _cups_strcasecmp(hostname, ServerName) && |
729 | _cups_strcasecmp(hostname, "localhost") && | |
d21dc0ed | 730 | !cupsArrayFind(ServerAlias, hostname) && |
e6013cfa | 731 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 732 | { |
733 | /* | |
734 | * Nope, we don't do proxies... | |
735 | */ | |
736 | ||
996acce8 MS |
737 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", |
738 | con->uri); | |
5ec1fd3d | 739 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 740 | cupsdCloseClient(con); |
741 | return; | |
ef416fc2 | 742 | } |
743 | ||
744 | /* | |
745 | * Copy the resource portion back into the URI; both resource and | |
746 | * con->uri are HTTP_MAX_URI bytes in size... | |
747 | */ | |
748 | ||
5a9febac | 749 | strlcpy(con->uri, resource, sizeof(con->uri)); |
ef416fc2 | 750 | } |
751 | ||
752 | /* | |
753 | * Process the request... | |
754 | */ | |
755 | ||
dfd5680b | 756 | gettimeofday(&(con->start), NULL); |
ef416fc2 | 757 | |
996acce8 | 758 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%s %s HTTP/%d.%d", |
a73ca01e | 759 | httpStateString(con->operation) + 11, con->uri, |
d21dc0ed MS |
760 | httpGetVersion(con->http) / 100, |
761 | httpGetVersion(con->http) % 100); | |
ef416fc2 | 762 | |
49d87452 MS |
763 | if (!cupsArrayFind(ActiveClients, con)) |
764 | { | |
765 | cupsArrayAdd(ActiveClients, con); | |
766 | cupsdSetBusyState(); | |
767 | } | |
3dfe78b3 | 768 | |
cb7f98ee MS |
769 | case HTTP_STATE_OPTIONS : |
770 | case HTTP_STATE_DELETE : | |
771 | case HTTP_STATE_GET : | |
772 | case HTTP_STATE_HEAD : | |
773 | case HTTP_STATE_POST : | |
774 | case HTTP_STATE_PUT : | |
775 | case HTTP_STATE_TRACE : | |
ef416fc2 | 776 | /* |
777 | * Parse incoming parameters until the status changes... | |
778 | */ | |
779 | ||
5ec1fd3d MS |
780 | while ((status = httpUpdate(con->http)) == HTTP_STATUS_CONTINUE) |
781 | if (!httpGetReady(con->http)) | |
f7deaa1a | 782 | break; |
ef416fc2 | 783 | |
5ec1fd3d | 784 | if (status != HTTP_STATUS_OK && status != HTTP_STATUS_CONTINUE) |
ef416fc2 | 785 | { |
5ec1fd3d | 786 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
787 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
788 | "Closing for error %d (%s) while reading headers.", | |
5ec1fd3d | 789 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 790 | else |
996acce8 MS |
791 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
792 | "Closing on EOF while reading headers."); | |
f11a948a | 793 | |
5ec1fd3d | 794 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 795 | cupsdCloseClient(con); |
796 | return; | |
ef416fc2 | 797 | } |
798 | break; | |
799 | ||
800 | default : | |
5ec1fd3d | 801 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
e6013cfa MS |
802 | { |
803 | /* | |
804 | * Connection closed... | |
805 | */ | |
806 | ||
996acce8 | 807 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); |
e6013cfa MS |
808 | cupsdCloseClient(con); |
809 | return; | |
810 | } | |
ef416fc2 | 811 | break; /* Anti-compiler-warning-code */ |
812 | } | |
813 | ||
814 | /* | |
815 | * Handle new transfers... | |
816 | */ | |
817 | ||
dfc45c1b MS |
818 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Read: status=%d", status); |
819 | ||
5ec1fd3d | 820 | if (status == HTTP_STATUS_OK) |
ef416fc2 | 821 | { |
5ec1fd3d | 822 | if (httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)[0]) |
ef416fc2 | 823 | { |
824 | /* | |
825 | * Figure out the locale from the Accept-Language and Content-Type | |
826 | * fields... | |
827 | */ | |
828 | ||
5ec1fd3d | 829 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 830 | ',')) != NULL) |
ef416fc2 | 831 | *ptr = '\0'; |
832 | ||
5ec1fd3d | 833 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 834 | ';')) != NULL) |
ef416fc2 | 835 | *ptr = '\0'; |
836 | ||
5ec1fd3d | 837 | if ((ptr = strstr(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
f11a948a | 838 | "charset=")) != NULL) |
ef416fc2 | 839 | { |
840 | /* | |
841 | * Combine language and charset, and trim any extra params in the | |
842 | * content-type. | |
843 | */ | |
844 | ||
845 | snprintf(locale, sizeof(locale), "%s.%s", | |
5ec1fd3d | 846 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), ptr + 8); |
ef416fc2 | 847 | |
848 | if ((ptr = strchr(locale, ',')) != NULL) | |
849 | *ptr = '\0'; | |
850 | } | |
851 | else | |
f8b3a85b | 852 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
5ec1fd3d | 853 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)); |
d6ae789d | 854 | |
ef416fc2 | 855 | con->language = cupsLangGet(locale); |
856 | } | |
857 | else | |
858 | con->language = cupsLangGet(DefaultLocale); | |
859 | ||
860 | cupsdAuthorize(con); | |
861 | ||
5ec1fd3d | 862 | if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
85dda01c | 863 | "Keep-Alive", 10) && KeepAlive) |
5ec1fd3d MS |
864 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); |
865 | else if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), | |
85dda01c | 866 | "close", 5)) |
5ec1fd3d | 867 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 868 | |
5ec1fd3d MS |
869 | if (!httpGetField(con->http, HTTP_FIELD_HOST)[0] && |
870 | httpGetVersion(con->http) >= HTTP_VERSION_1_1) | |
ef416fc2 | 871 | { |
872 | /* | |
873 | * HTTP/1.1 and higher require the "Host:" field... | |
874 | */ | |
875 | ||
5ec1fd3d | 876 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 877 | { |
996acce8 | 878 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Host: field in request."); |
f7deaa1a | 879 | cupsdCloseClient(con); |
880 | return; | |
881 | } | |
ef416fc2 | 882 | } |
e07d4801 | 883 | else if (!valid_host(con)) |
e6013cfa MS |
884 | { |
885 | /* | |
886 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
887 | * or IPv6 values in the Host: field. | |
888 | */ | |
889 | ||
996acce8 MS |
890 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
891 | "Request from \"%s\" using invalid Host: field \"%s\".", | |
5ec1fd3d | 892 | httpGetHostname(con->http, NULL, 0), httpGetField(con->http, HTTP_FIELD_HOST)); |
e6013cfa | 893 | |
5ec1fd3d | 894 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
e6013cfa MS |
895 | { |
896 | cupsdCloseClient(con); | |
897 | return; | |
898 | } | |
899 | } | |
cb7f98ee | 900 | else if (con->operation == HTTP_STATE_OPTIONS) |
ef416fc2 | 901 | { |
902 | /* | |
903 | * Do OPTIONS command... | |
904 | */ | |
905 | ||
5bd77a73 | 906 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 907 | { |
a73ca01e MS |
908 | httpClearFields(con->http); |
909 | ||
5ec1fd3d | 910 | if (!cupsdSendHeader(con, HTTP_STATUS_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 911 | { |
912 | cupsdCloseClient(con); | |
913 | return; | |
914 | } | |
ef416fc2 | 915 | } |
916 | ||
5ec1fd3d MS |
917 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), "Upgrade") && |
918 | !httpIsEncrypted(con->http)) | |
ef416fc2 | 919 | { |
920 | #ifdef HAVE_SSL | |
921 | /* | |
922 | * Do encryption stuff... | |
923 | */ | |
924 | ||
a73ca01e | 925 | httpClearFields(con->http); |
ef416fc2 | 926 | |
e200616a MS |
927 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
928 | { | |
929 | cupsdCloseClient(con); | |
930 | return; | |
931 | } | |
e200616a | 932 | |
d3d89474 | 933 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 934 | { |
935 | cupsdCloseClient(con); | |
936 | return; | |
937 | } | |
ef416fc2 | 938 | #else |
5bd77a73 | 939 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 940 | { |
941 | cupsdCloseClient(con); | |
942 | return; | |
943 | } | |
ef416fc2 | 944 | #endif /* HAVE_SSL */ |
945 | } | |
946 | ||
a73ca01e | 947 | httpClearFields(con->http); |
e200616a MS |
948 | httpSetField(con->http, HTTP_FIELD_ALLOW, |
949 | "GET, HEAD, OPTIONS, POST, PUT"); | |
950 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
951 | ||
952 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) | |
953 | { | |
954 | cupsdCloseClient(con); | |
955 | return; | |
956 | } | |
ef416fc2 | 957 | } |
958 | else if (!is_path_absolute(con->uri)) | |
959 | { | |
960 | /* | |
961 | * Protect against malicious users! | |
962 | */ | |
963 | ||
996acce8 MS |
964 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
965 | "Request for non-absolute resource \"%s\".", con->uri); | |
bf3816c7 | 966 | |
5ec1fd3d | 967 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 968 | { |
969 | cupsdCloseClient(con); | |
970 | return; | |
971 | } | |
ef416fc2 | 972 | } |
973 | else | |
974 | { | |
5ec1fd3d | 975 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
d21dc0ed | 976 | "Upgrade") && !httpIsEncrypted(con->http)) |
ef416fc2 | 977 | { |
978 | #ifdef HAVE_SSL | |
979 | /* | |
980 | * Do encryption stuff... | |
981 | */ | |
982 | ||
a73ca01e | 983 | httpClearFields(con->http); |
ef416fc2 | 984 | |
e200616a MS |
985 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, |
986 | CUPSD_AUTH_NONE)) | |
987 | { | |
988 | cupsdCloseClient(con); | |
989 | return; | |
990 | } | |
ef416fc2 | 991 | |
d3d89474 | 992 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 993 | { |
994 | cupsdCloseClient(con); | |
995 | return; | |
996 | } | |
ef416fc2 | 997 | #else |
5bd77a73 | 998 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 999 | { |
1000 | cupsdCloseClient(con); | |
1001 | return; | |
1002 | } | |
ef416fc2 | 1003 | #endif /* HAVE_SSL */ |
1004 | } | |
1005 | ||
5ec1fd3d | 1006 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_STATUS_OK) |
ef416fc2 | 1007 | { |
5bd77a73 | 1008 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1009 | cupsdCloseClient(con); |
1010 | return; | |
ef416fc2 | 1011 | } |
1012 | ||
d21dc0ed | 1013 | if (httpGetExpect(con->http) && |
cb7f98ee | 1014 | (con->operation == HTTP_STATE_POST || con->operation == HTTP_STATE_PUT)) |
ef416fc2 | 1015 | { |
d21dc0ed | 1016 | if (httpGetExpect(con->http) == HTTP_STATUS_CONTINUE) |
b423cd4c | 1017 | { |
1018 | /* | |
1019 | * Send 100-continue header... | |
1020 | */ | |
1021 | ||
a73ca01e | 1022 | if (httpWriteResponse(con->http, HTTP_STATUS_CONTINUE)) |
f7deaa1a | 1023 | { |
1024 | cupsdCloseClient(con); | |
1025 | return; | |
1026 | } | |
b423cd4c | 1027 | } |
1028 | else | |
1029 | { | |
1030 | /* | |
1031 | * Send 417-expectation-failed header... | |
1032 | */ | |
1033 | ||
a73ca01e | 1034 | httpClearFields(con->http); |
e200616a MS |
1035 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); |
1036 | ||
a73ca01e MS |
1037 | cupsdSendError(con, HTTP_STATUS_EXPECTATION_FAILED, CUPSD_AUTH_NONE); |
1038 | cupsdCloseClient(con); | |
1039 | return; | |
b423cd4c | 1040 | } |
ef416fc2 | 1041 | } |
1042 | ||
5ec1fd3d | 1043 | switch (httpGetState(con->http)) |
ef416fc2 | 1044 | { |
cb7f98ee | 1045 | case HTTP_STATE_GET_SEND : |
dfc45c1b MS |
1046 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Processing GET %s", con->uri); |
1047 | ||
db8b865d | 1048 | if ((!strncmp(con->uri, "/ppd/", 5) || |
6961465f MS |
1049 | !strncmp(con->uri, "/printers/", 10) || |
1050 | !strncmp(con->uri, "/classes/", 9)) && | |
ef416fc2 | 1051 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) |
1052 | { | |
1053 | /* | |
1054 | * Send PPD file - get the real printer name since printer | |
1055 | * names are not case sensitive but filenames can be... | |
1056 | */ | |
1057 | ||
1058 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1059 | ||
db8b865d MS |
1060 | if (!strncmp(con->uri, "/ppd/", 5)) |
1061 | p = cupsdFindPrinter(con->uri + 5); | |
6961465f | 1062 | else if (!strncmp(con->uri, "/printers/", 10)) |
db8b865d | 1063 | p = cupsdFindPrinter(con->uri + 10); |
6961465f MS |
1064 | else |
1065 | { | |
1066 | p = cupsdFindClass(con->uri + 9); | |
1067 | ||
1068 | if (p) | |
1069 | { | |
1070 | int i; /* Looping var */ | |
1071 | ||
1072 | for (i = 0; i < p->num_printers; i ++) | |
1073 | { | |
1074 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1075 | { | |
1076 | char ppdname[1024];/* PPD filename */ | |
1077 | ||
1078 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1079 | ServerRoot, p->printers[i]->name); | |
1080 | if (!access(ppdname, 0)) | |
1081 | { | |
1082 | p = p->printers[i]; | |
1083 | break; | |
1084 | } | |
1085 | } | |
1086 | } | |
1087 | ||
1088 | if (i >= p->num_printers) | |
1089 | p = NULL; | |
1090 | } | |
1091 | } | |
db8b865d MS |
1092 | |
1093 | if (p) | |
1094 | { | |
ef416fc2 | 1095 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); |
db8b865d | 1096 | } |
ef416fc2 | 1097 | else |
1098 | { | |
5ec1fd3d | 1099 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1100 | { |
1101 | cupsdCloseClient(con); | |
1102 | return; | |
1103 | } | |
ef416fc2 | 1104 | |
1105 | break; | |
1106 | } | |
1107 | } | |
db8b865d MS |
1108 | else if ((!strncmp(con->uri, "/icons/", 7) || |
1109 | !strncmp(con->uri, "/printers/", 10) || | |
7cf5915e MS |
1110 | !strncmp(con->uri, "/classes/", 9)) && |
1111 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1112 | { | |
1113 | /* | |
1114 | * Send icon file - get the real queue name since queue names are | |
1115 | * not case sensitive but filenames can be... | |
1116 | */ | |
1117 | ||
1118 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1119 | ||
db8b865d MS |
1120 | if (!strncmp(con->uri, "/icons/", 7)) |
1121 | p = cupsdFindPrinter(con->uri + 7); | |
1122 | else if (!strncmp(con->uri, "/printers/", 10)) | |
7cf5915e MS |
1123 | p = cupsdFindPrinter(con->uri + 10); |
1124 | else | |
6961465f MS |
1125 | { |
1126 | p = cupsdFindClass(con->uri + 9); | |
1127 | ||
1128 | if (p) | |
1129 | { | |
1130 | int i; /* Looping var */ | |
1131 | ||
1132 | for (i = 0; i < p->num_printers; i ++) | |
1133 | { | |
1134 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1135 | { | |
1136 | char ppdname[1024];/* PPD filename */ | |
1137 | ||
1138 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1139 | ServerRoot, p->printers[i]->name); | |
1140 | if (!access(ppdname, 0)) | |
1141 | { | |
1142 | p = p->printers[i]; | |
1143 | break; | |
1144 | } | |
1145 | } | |
1146 | } | |
1147 | ||
1148 | if (i >= p->num_printers) | |
1149 | p = NULL; | |
1150 | } | |
1151 | } | |
7cf5915e MS |
1152 | |
1153 | if (p) | |
1154 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1155 | else | |
1156 | { | |
5ec1fd3d | 1157 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
7cf5915e MS |
1158 | { |
1159 | cupsdCloseClient(con); | |
1160 | return; | |
1161 | } | |
1162 | ||
1163 | break; | |
1164 | } | |
1165 | } | |
0268488e | 1166 | else if (!WebInterface) |
229681c1 MS |
1167 | { |
1168 | /* | |
1169 | * Web interface is disabled. Show an appropriate message... | |
1170 | */ | |
1171 | ||
5ec1fd3d | 1172 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1173 | { |
1174 | cupsdCloseClient(con); | |
1175 | return; | |
1176 | } | |
1177 | ||
1178 | break; | |
1179 | } | |
0268488e MS |
1180 | |
1181 | if ((!strncmp(con->uri, "/admin", 6) && | |
1182 | strncmp(con->uri, "/admin/conf/", 12) && | |
1183 | strncmp(con->uri, "/admin/log/", 11)) || | |
1184 | !strncmp(con->uri, "/printers", 9) || | |
1185 | !strncmp(con->uri, "/classes", 8) || | |
1186 | !strncmp(con->uri, "/help", 5) || | |
1187 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1188 | { |
1189 | /* | |
1190 | * Send CGI output... | |
1191 | */ | |
1192 | ||
1193 | if (!strncmp(con->uri, "/admin", 6)) | |
1194 | { | |
1195 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1196 | ServerBin); | |
1197 | ||
b423cd4c | 1198 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1199 | } |
1200 | else if (!strncmp(con->uri, "/printers", 9)) | |
1201 | { | |
1202 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1203 | ServerBin); | |
b423cd4c | 1204 | |
1205 | if (con->uri[9] && con->uri[10]) | |
1206 | cupsdSetString(&con->options, con->uri + 9); | |
1207 | else | |
1208 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1209 | } |
1210 | else if (!strncmp(con->uri, "/classes", 8)) | |
1211 | { | |
1212 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1213 | ServerBin); | |
b423cd4c | 1214 | |
1215 | if (con->uri[8] && con->uri[9]) | |
1216 | cupsdSetString(&con->options, con->uri + 8); | |
1217 | else | |
1218 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1219 | } |
1220 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1221 | { | |
1222 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1223 | ServerBin); | |
b423cd4c | 1224 | |
1225 | if (con->uri[5] && con->uri[6]) | |
1226 | cupsdSetString(&con->options, con->uri + 5); | |
1227 | else | |
1228 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1229 | } |
1230 | else | |
1231 | { | |
1232 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1233 | ServerBin); | |
ef416fc2 | 1234 | |
b423cd4c | 1235 | if (con->uri[5] && con->uri[6]) |
1236 | cupsdSetString(&con->options, con->uri + 5); | |
1237 | else | |
1238 | cupsdSetString(&con->options, NULL); | |
1239 | } | |
ef416fc2 | 1240 | |
1241 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1242 | { | |
5ec1fd3d | 1243 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1244 | { |
1245 | cupsdCloseClient(con); | |
1246 | return; | |
1247 | } | |
ef416fc2 | 1248 | } |
1249 | else | |
5ec1fd3d | 1250 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1251 | |
d21dc0ed | 1252 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1253 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1254 | } |
1255 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1256 | (strchr(con->uri + 12, '/') || | |
1257 | strlen(con->uri) == 12)) || | |
1258 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1259 | (strchr(con->uri + 11, '/') || | |
1260 | strlen(con->uri) == 11))) | |
1261 | { | |
1262 | /* | |
bf3816c7 | 1263 | * GET can only be done to configuration files directly under |
ef416fc2 | 1264 | * /admin/conf... |
1265 | */ | |
1266 | ||
996acce8 | 1267 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
bf3816c7 MS |
1268 | "Request for subdirectory \"%s\"!", con->uri); |
1269 | ||
5ec1fd3d | 1270 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1271 | { |
1272 | cupsdCloseClient(con); | |
1273 | return; | |
1274 | } | |
ef416fc2 | 1275 | |
1276 | break; | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | /* | |
1281 | * Serve a file... | |
1282 | */ | |
1283 | ||
1284 | if ((filename = get_file(con, &filestats, buf, | |
1285 | sizeof(buf))) == NULL) | |
1286 | { | |
5ec1fd3d | 1287 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1288 | { |
1289 | cupsdCloseClient(con); | |
1290 | return; | |
1291 | } | |
ef416fc2 | 1292 | |
1293 | break; | |
1294 | } | |
1295 | ||
4400e98d | 1296 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1297 | |
dfc45c1b MS |
1298 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "filename=\"%s\", type=%s/%s", filename, type ? type->super : "", type ? type->type : ""); |
1299 | ||
e1d6a774 | 1300 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1301 | { |
1302 | /* | |
1303 | * Note: con->command and con->options were set by | |
e1d6a774 | 1304 | * is_cgi()... |
ef416fc2 | 1305 | */ |
1306 | ||
1307 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1308 | { | |
5ec1fd3d | 1309 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1310 | { |
1311 | cupsdCloseClient(con); | |
1312 | return; | |
1313 | } | |
ef416fc2 | 1314 | } |
1315 | else | |
5ec1fd3d | 1316 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1317 | |
d21dc0ed | 1318 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1319 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1320 | break; |
1321 | } | |
1322 | ||
1323 | if (!check_if_modified(con, &filestats)) | |
1324 | { | |
5ec1fd3d | 1325 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1326 | { |
1327 | cupsdCloseClient(con); | |
1328 | return; | |
1329 | } | |
ef416fc2 | 1330 | } |
1331 | else | |
1332 | { | |
1333 | if (type == NULL) | |
5a9febac | 1334 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1335 | else |
1336 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1337 | ||
5ec1fd3d | 1338 | if (!write_file(con, HTTP_STATUS_OK, filename, line, &filestats)) |
f7deaa1a | 1339 | { |
1340 | cupsdCloseClient(con); | |
1341 | return; | |
1342 | } | |
ef416fc2 | 1343 | } |
1344 | } | |
1345 | break; | |
1346 | ||
cb7f98ee | 1347 | case HTTP_STATE_POST_RECV : |
ef416fc2 | 1348 | /* |
1349 | * See if the POST request includes a Content-Length field, and if | |
1350 | * so check the length against any limits that are set... | |
1351 | */ | |
1352 | ||
5ec1fd3d | 1353 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1354 | MaxRequestSize > 0 && |
d21dc0ed | 1355 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1356 | { |
1357 | /* | |
1358 | * Request too large... | |
1359 | */ | |
1360 | ||
5ec1fd3d | 1361 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1362 | { |
1363 | cupsdCloseClient(con); | |
1364 | return; | |
1365 | } | |
ef416fc2 | 1366 | |
1367 | break; | |
1368 | } | |
d21dc0ed | 1369 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1370 | { |
1371 | /* | |
1372 | * Negative content lengths are invalid! | |
1373 | */ | |
1374 | ||
5ec1fd3d | 1375 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1376 | { |
1377 | cupsdCloseClient(con); | |
1378 | return; | |
1379 | } | |
ef416fc2 | 1380 | |
1381 | break; | |
1382 | } | |
1383 | ||
1384 | /* | |
1385 | * See what kind of POST request this is; for IPP requests the | |
1386 | * content-type field will be "application/ipp"... | |
1387 | */ | |
1388 | ||
5ec1fd3d | 1389 | if (!strcmp(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
ef416fc2 | 1390 | "application/ipp")) |
1391 | con->request = ippNew(); | |
229681c1 MS |
1392 | else if (!WebInterface) |
1393 | { | |
1394 | /* | |
1395 | * Web interface is disabled. Show an appropriate message... | |
1396 | */ | |
1397 | ||
5ec1fd3d | 1398 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1399 | { |
1400 | cupsdCloseClient(con); | |
1401 | return; | |
1402 | } | |
1403 | ||
1404 | break; | |
1405 | } | |
ef416fc2 | 1406 | else if ((!strncmp(con->uri, "/admin", 6) && |
1407 | strncmp(con->uri, "/admin/conf/", 12) && | |
1408 | strncmp(con->uri, "/admin/log/", 11)) || | |
1409 | !strncmp(con->uri, "/printers", 9) || | |
1410 | !strncmp(con->uri, "/classes", 8) || | |
1411 | !strncmp(con->uri, "/help", 5) || | |
1412 | !strncmp(con->uri, "/jobs", 5)) | |
1413 | { | |
1414 | /* | |
1415 | * CGI request... | |
1416 | */ | |
1417 | ||
1418 | if (!strncmp(con->uri, "/admin", 6)) | |
1419 | { | |
1420 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1421 | ServerBin); | |
1422 | ||
b423cd4c | 1423 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1424 | } |
1425 | else if (!strncmp(con->uri, "/printers", 9)) | |
1426 | { | |
1427 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1428 | ServerBin); | |
b423cd4c | 1429 | |
1430 | if (con->uri[9] && con->uri[10]) | |
1431 | cupsdSetString(&con->options, con->uri + 9); | |
1432 | else | |
1433 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1434 | } |
1435 | else if (!strncmp(con->uri, "/classes", 8)) | |
1436 | { | |
1437 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1438 | ServerBin); | |
b423cd4c | 1439 | |
1440 | if (con->uri[8] && con->uri[9]) | |
1441 | cupsdSetString(&con->options, con->uri + 8); | |
1442 | else | |
1443 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1444 | } |
1445 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1446 | { | |
1447 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1448 | ServerBin); | |
b423cd4c | 1449 | |
1450 | if (con->uri[5] && con->uri[6]) | |
1451 | cupsdSetString(&con->options, con->uri + 5); | |
1452 | else | |
1453 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1454 | } |
1455 | else | |
1456 | { | |
1457 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1458 | ServerBin); | |
ef416fc2 | 1459 | |
b423cd4c | 1460 | if (con->uri[5] && con->uri[6]) |
1461 | cupsdSetString(&con->options, con->uri + 5); | |
1462 | else | |
1463 | cupsdSetString(&con->options, NULL); | |
1464 | } | |
ef416fc2 | 1465 | |
d21dc0ed | 1466 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1467 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1468 | } |
1469 | else | |
1470 | { | |
1471 | /* | |
1472 | * POST to a file... | |
1473 | */ | |
1474 | ||
1475 | if ((filename = get_file(con, &filestats, buf, | |
1476 | sizeof(buf))) == NULL) | |
1477 | { | |
5ec1fd3d | 1478 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1479 | { |
1480 | cupsdCloseClient(con); | |
1481 | return; | |
1482 | } | |
ef416fc2 | 1483 | |
1484 | break; | |
1485 | } | |
1486 | ||
4400e98d | 1487 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1488 | |
e1d6a774 | 1489 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1490 | { |
1491 | /* | |
1492 | * Only POST to CGI's... | |
1493 | */ | |
1494 | ||
5ec1fd3d | 1495 | if (!cupsdSendError(con, HTTP_STATUS_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1496 | { |
1497 | cupsdCloseClient(con); | |
1498 | return; | |
1499 | } | |
ef416fc2 | 1500 | } |
1501 | } | |
1502 | break; | |
1503 | ||
cb7f98ee | 1504 | case HTTP_STATE_PUT_RECV : |
ef416fc2 | 1505 | /* |
1506 | * Validate the resource name... | |
1507 | */ | |
1508 | ||
c41769ff | 1509 | if (strcmp(con->uri, "/admin/conf/cupsd.conf")) |
ef416fc2 | 1510 | { |
1511 | /* | |
c41769ff | 1512 | * PUT can only be done to the cupsd.conf file... |
ef416fc2 | 1513 | */ |
1514 | ||
996acce8 MS |
1515 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1516 | "Disallowed PUT request for \"%s\".", con->uri); | |
bf3816c7 | 1517 | |
5ec1fd3d | 1518 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1519 | { |
1520 | cupsdCloseClient(con); | |
1521 | return; | |
1522 | } | |
ef416fc2 | 1523 | |
1524 | break; | |
1525 | } | |
1526 | ||
1527 | /* | |
1528 | * See if the PUT request includes a Content-Length field, and if | |
1529 | * so check the length against any limits that are set... | |
1530 | */ | |
1531 | ||
5ec1fd3d | 1532 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1533 | MaxRequestSize > 0 && |
d21dc0ed | 1534 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1535 | { |
1536 | /* | |
1537 | * Request too large... | |
1538 | */ | |
1539 | ||
5ec1fd3d | 1540 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1541 | { |
1542 | cupsdCloseClient(con); | |
1543 | return; | |
1544 | } | |
ef416fc2 | 1545 | |
1546 | break; | |
1547 | } | |
d21dc0ed | 1548 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1549 | { |
1550 | /* | |
1551 | * Negative content lengths are invalid! | |
1552 | */ | |
1553 | ||
5ec1fd3d | 1554 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1555 | { |
1556 | cupsdCloseClient(con); | |
1557 | return; | |
1558 | } | |
ef416fc2 | 1559 | |
1560 | break; | |
1561 | } | |
1562 | ||
1563 | /* | |
1564 | * Open a temporary file to hold the request... | |
1565 | */ | |
1566 | ||
1567 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1568 | request_id ++); | |
1569 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1570 | ||
ef416fc2 | 1571 | if (con->file < 0) |
1572 | { | |
996acce8 MS |
1573 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1574 | "Unable to create request file \"%s\": %s", | |
1575 | con->filename, strerror(errno)); | |
a4924f6c | 1576 | |
5ec1fd3d | 1577 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1578 | { |
1579 | cupsdCloseClient(con); | |
1580 | return; | |
1581 | } | |
ef416fc2 | 1582 | } |
1583 | ||
1584 | fchmod(con->file, 0640); | |
1585 | fchown(con->file, RunUser, Group); | |
1586 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1587 | break; | |
1588 | ||
cb7f98ee MS |
1589 | case HTTP_STATE_DELETE : |
1590 | case HTTP_STATE_TRACE : | |
5ec1fd3d | 1591 | cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1592 | cupsdCloseClient(con); |
1593 | return; | |
ef416fc2 | 1594 | |
cb7f98ee | 1595 | case HTTP_STATE_HEAD : |
ef416fc2 | 1596 | if (!strncmp(con->uri, "/printers/", 10) && |
1597 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1598 | { | |
1599 | /* | |
1600 | * Send PPD file - get the real printer name since printer | |
1601 | * names are not case sensitive but filenames can be... | |
1602 | */ | |
1603 | ||
1604 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1605 | ||
1606 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1607 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1608 | else | |
1609 | { | |
5ec1fd3d | 1610 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1611 | { |
1612 | cupsdCloseClient(con); | |
1613 | return; | |
1614 | } | |
ef416fc2 | 1615 | |
e200616a | 1616 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1617 | break; |
1618 | } | |
1619 | } | |
229681c1 MS |
1620 | else if (!strncmp(con->uri, "/printers/", 10) && |
1621 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1622 | { | |
1623 | /* | |
1624 | * Send PNG file - get the real printer name since printer | |
1625 | * names are not case sensitive but filenames can be... | |
1626 | */ | |
1627 | ||
1628 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1629 | ||
1630 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1631 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1632 | else | |
1633 | { | |
5ec1fd3d | 1634 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
229681c1 MS |
1635 | { |
1636 | cupsdCloseClient(con); | |
1637 | return; | |
1638 | } | |
1639 | ||
e200616a | 1640 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
229681c1 MS |
1641 | break; |
1642 | } | |
1643 | } | |
1644 | else if (!WebInterface) | |
1645 | { | |
a73ca01e MS |
1646 | httpClearFields(con->http); |
1647 | ||
5ec1fd3d | 1648 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
229681c1 MS |
1649 | { |
1650 | cupsdCloseClient(con); | |
1651 | return; | |
1652 | } | |
1653 | ||
e200616a | 1654 | cupsdLogRequest(con, HTTP_STATUS_OK); |
229681c1 MS |
1655 | break; |
1656 | } | |
ef416fc2 | 1657 | |
1658 | if ((!strncmp(con->uri, "/admin", 6) && | |
1659 | strncmp(con->uri, "/admin/conf/", 12) && | |
1660 | strncmp(con->uri, "/admin/log/", 11)) || | |
1661 | !strncmp(con->uri, "/printers", 9) || | |
1662 | !strncmp(con->uri, "/classes", 8) || | |
1663 | !strncmp(con->uri, "/help", 5) || | |
1664 | !strncmp(con->uri, "/jobs", 5)) | |
1665 | { | |
1666 | /* | |
1667 | * CGI output... | |
1668 | */ | |
1669 | ||
a73ca01e MS |
1670 | httpClearFields(con->http); |
1671 | ||
5ec1fd3d | 1672 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1673 | { |
1674 | cupsdCloseClient(con); | |
1675 | return; | |
1676 | } | |
ef416fc2 | 1677 | |
5ec1fd3d | 1678 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1679 | } |
1680 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1681 | (strchr(con->uri + 12, '/') || | |
1682 | strlen(con->uri) == 12)) || | |
1683 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1684 | (strchr(con->uri + 11, '/') || | |
1685 | strlen(con->uri) == 11))) | |
1686 | { | |
1687 | /* | |
1688 | * HEAD can only be done to configuration files under | |
1689 | * /admin/conf... | |
1690 | */ | |
1691 | ||
996acce8 MS |
1692 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1693 | "Request for subdirectory \"%s\".", con->uri); | |
bf3816c7 | 1694 | |
5ec1fd3d | 1695 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1696 | { |
1697 | cupsdCloseClient(con); | |
1698 | return; | |
1699 | } | |
ef416fc2 | 1700 | |
e200616a | 1701 | cupsdLogRequest(con, HTTP_STATUS_FORBIDDEN); |
ef416fc2 | 1702 | break; |
1703 | } | |
1704 | else if ((filename = get_file(con, &filestats, buf, | |
1705 | sizeof(buf))) == NULL) | |
1706 | { | |
a73ca01e MS |
1707 | httpClearFields(con->http); |
1708 | ||
5ec1fd3d | 1709 | if (!cupsdSendHeader(con, HTTP_STATUS_NOT_FOUND, "text/html", |
f11a948a | 1710 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1711 | { |
1712 | cupsdCloseClient(con); | |
1713 | return; | |
1714 | } | |
ef416fc2 | 1715 | |
5ec1fd3d | 1716 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1717 | } |
1718 | else if (!check_if_modified(con, &filestats)) | |
1719 | { | |
5ec1fd3d | 1720 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1721 | { |
1722 | cupsdCloseClient(con); | |
1723 | return; | |
1724 | } | |
ef416fc2 | 1725 | |
5ec1fd3d | 1726 | cupsdLogRequest(con, HTTP_STATUS_NOT_MODIFIED); |
ef416fc2 | 1727 | } |
1728 | else | |
1729 | { | |
1730 | /* | |
1731 | * Serve a file... | |
1732 | */ | |
1733 | ||
4400e98d | 1734 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1735 | if (type == NULL) |
5a9febac | 1736 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1737 | else |
1738 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1739 | ||
a73ca01e MS |
1740 | httpClearFields(con->http); |
1741 | ||
e200616a MS |
1742 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
1743 | httpGetDateString(filestats.st_mtime)); | |
1744 | httpSetLength(con->http, filestats.st_size); | |
ef416fc2 | 1745 | |
e200616a | 1746 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1747 | { |
1748 | cupsdCloseClient(con); | |
1749 | return; | |
1750 | } | |
ef416fc2 | 1751 | |
5ec1fd3d | 1752 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1753 | } |
ef416fc2 | 1754 | break; |
1755 | ||
1756 | default : | |
1757 | break; /* Anti-compiler-warning-code */ | |
1758 | } | |
1759 | } | |
1760 | } | |
1761 | ||
1762 | /* | |
1763 | * Handle any incoming data... | |
1764 | */ | |
1765 | ||
5ec1fd3d | 1766 | switch (httpGetState(con->http)) |
ef416fc2 | 1767 | { |
cb7f98ee | 1768 | case HTTP_STATE_PUT_RECV : |
f7deaa1a | 1769 | do |
ef416fc2 | 1770 | { |
996acce8 | 1771 | if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1772 | { |
5ec1fd3d | 1773 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1774 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1775 | "HTTP_STATE_PUT_RECV Closing for error %d (%s)", | |
5ec1fd3d | 1776 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1777 | else |
996acce8 MS |
1778 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1779 | "HTTP_STATE_PUT_RECV Closing on EOF."); | |
f11a948a | 1780 | |
f7deaa1a | 1781 | cupsdCloseClient(con); |
1782 | return; | |
1783 | } | |
1784 | else if (bytes > 0) | |
1785 | { | |
1786 | con->bytes += bytes; | |
ef416fc2 | 1787 | |
f7deaa1a | 1788 | if (write(con->file, line, bytes) < bytes) |
1789 | { | |
996acce8 MS |
1790 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1791 | "Unable to write %d bytes to \"%s\": %s", bytes, | |
1792 | con->filename, strerror(errno)); | |
ef416fc2 | 1793 | |
f7deaa1a | 1794 | close(con->file); |
1795 | con->file = -1; | |
1796 | unlink(con->filename); | |
1797 | cupsdClearString(&con->filename); | |
ef416fc2 | 1798 | |
5ec1fd3d | 1799 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1800 | { |
1801 | cupsdCloseClient(con); | |
1802 | return; | |
1803 | } | |
1804 | } | |
ef416fc2 | 1805 | } |
f7deaa1a | 1806 | } |
5ec1fd3d | 1807 | while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http)); |
ef416fc2 | 1808 | |
5ec1fd3d | 1809 | if (httpGetState(con->http) == HTTP_STATE_STATUS) |
ef416fc2 | 1810 | { |
1811 | /* | |
1812 | * End of file, see how big it is... | |
1813 | */ | |
1814 | ||
1815 | fstat(con->file, &filestats); | |
1816 | ||
ef416fc2 | 1817 | close(con->file); |
1818 | con->file = -1; | |
1819 | ||
1820 | if (filestats.st_size > MaxRequestSize && | |
1821 | MaxRequestSize > 0) | |
1822 | { | |
1823 | /* | |
1824 | * Request is too big; remove it and send an error... | |
1825 | */ | |
1826 | ||
ef416fc2 | 1827 | unlink(con->filename); |
1828 | cupsdClearString(&con->filename); | |
1829 | ||
5ec1fd3d | 1830 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1831 | { |
1832 | cupsdCloseClient(con); | |
1833 | return; | |
1834 | } | |
ef416fc2 | 1835 | } |
1836 | ||
1837 | /* | |
1838 | * Install the configuration file... | |
1839 | */ | |
1840 | ||
c41769ff | 1841 | status = install_cupsd_conf(con); |
ef416fc2 | 1842 | |
1843 | /* | |
1844 | * Return the status to the client... | |
1845 | */ | |
1846 | ||
5bd77a73 | 1847 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 1848 | { |
1849 | cupsdCloseClient(con); | |
1850 | return; | |
1851 | } | |
ef416fc2 | 1852 | } |
1853 | break; | |
1854 | ||
cb7f98ee | 1855 | case HTTP_STATE_POST_RECV : |
f7deaa1a | 1856 | do |
ef416fc2 | 1857 | { |
f11a948a | 1858 | if (con->request && con->file < 0) |
ef416fc2 | 1859 | { |
f7deaa1a | 1860 | /* |
1861 | * Grab any request data from the connection... | |
1862 | */ | |
ef416fc2 | 1863 | |
5ec1fd3d | 1864 | if ((ipp_state = ippRead(con->http, con->request)) == IPP_STATE_ERROR) |
ef416fc2 | 1865 | { |
996acce8 MS |
1866 | cupsdLogClient(con, CUPSD_LOG_ERROR, "IPP read error: %s", |
1867 | cupsLastErrorString()); | |
f7deaa1a | 1868 | |
5ec1fd3d | 1869 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1870 | cupsdCloseClient(con); |
1871 | return; | |
ef416fc2 | 1872 | } |
5ec1fd3d | 1873 | else if (ipp_state != IPP_STATE_DATA) |
f7deaa1a | 1874 | { |
5ec1fd3d | 1875 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
f7deaa1a | 1876 | { |
5ec1fd3d | 1877 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1878 | cupsdCloseClient(con); |
1879 | return; | |
1880 | } | |
ef416fc2 | 1881 | |
5ec1fd3d | 1882 | if (httpGetReady(con->http)) |
6961465f | 1883 | continue; |
f7deaa1a | 1884 | break; |
1885 | } | |
1886 | else | |
f11a948a | 1887 | { |
996acce8 MS |
1888 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%d.%d %s %d", |
1889 | con->request->request.op.version[0], | |
f11a948a MS |
1890 | con->request->request.op.version[1], |
1891 | ippOpString(con->request->request.op.operation_id), | |
1892 | con->request->request.op.request_id); | |
f7deaa1a | 1893 | con->bytes += ippLength(con->request); |
f11a948a | 1894 | } |
f7deaa1a | 1895 | } |
ef416fc2 | 1896 | |
5ec1fd3d | 1897 | if (con->file < 0 && httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1898 | { |
1899 | /* | |
1900 | * Create a file as needed for the request data... | |
1901 | */ | |
ef416fc2 | 1902 | |
f11a948a MS |
1903 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
1904 | request_id ++); | |
f7deaa1a | 1905 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 1906 | |
f7deaa1a | 1907 | if (con->file < 0) |
1908 | { | |
996acce8 MS |
1909 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1910 | "Unable to create request file \"%s\": %s", | |
1911 | con->filename, strerror(errno)); | |
a4924f6c | 1912 | |
5ec1fd3d | 1913 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1914 | { |
1915 | cupsdCloseClient(con); | |
1916 | return; | |
1917 | } | |
1918 | } | |
ef416fc2 | 1919 | |
f7deaa1a | 1920 | fchmod(con->file, 0640); |
1921 | fchown(con->file, RunUser, Group); | |
1922 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1923 | } | |
ef416fc2 | 1924 | |
5ec1fd3d | 1925 | if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
ef416fc2 | 1926 | { |
996acce8 | 1927 | if (!httpWait(con->http, 0)) |
cb7f98ee | 1928 | return; |
996acce8 | 1929 | else if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1930 | { |
5ec1fd3d | 1931 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1932 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1933 | "HTTP_STATE_POST_SEND Closing for error %d (%s)", | |
5ec1fd3d | 1934 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1935 | else |
996acce8 MS |
1936 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1937 | "HTTP_STATE_POST_SEND Closing on EOF."); | |
f11a948a | 1938 | |
f7deaa1a | 1939 | cupsdCloseClient(con); |
1940 | return; | |
1941 | } | |
1942 | else if (bytes > 0) | |
1943 | { | |
1944 | con->bytes += bytes; | |
ef416fc2 | 1945 | |
f7deaa1a | 1946 | if (write(con->file, line, bytes) < bytes) |
1947 | { | |
996acce8 MS |
1948 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1949 | "Unable to write %d bytes to \"%s\": %s", | |
1950 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1951 | |
f7deaa1a | 1952 | close(con->file); |
1953 | con->file = -1; | |
1954 | unlink(con->filename); | |
1955 | cupsdClearString(&con->filename); | |
ef416fc2 | 1956 | |
5ec1fd3d | 1957 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, |
f11a948a | 1958 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1959 | { |
1960 | cupsdCloseClient(con); | |
1961 | return; | |
1962 | } | |
1963 | } | |
1964 | } | |
5ec1fd3d | 1965 | else if (httpGetState(con->http) == HTTP_STATE_POST_RECV) |
f7deaa1a | 1966 | return; |
5ec1fd3d | 1967 | else if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1968 | { |
996acce8 MS |
1969 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1970 | "Closing on unexpected state %s.", | |
5ec1fd3d | 1971 | httpStateString(httpGetState(con->http))); |
f7deaa1a | 1972 | cupsdCloseClient(con); |
1973 | return; | |
ef416fc2 | 1974 | } |
1975 | } | |
f7deaa1a | 1976 | } |
5ec1fd3d | 1977 | while (httpGetState(con->http) == HTTP_STATE_POST_RECV && httpGetReady(con->http)); |
ef416fc2 | 1978 | |
5ec1fd3d | 1979 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
ef416fc2 | 1980 | { |
1981 | if (con->file >= 0) | |
1982 | { | |
1983 | fstat(con->file, &filestats); | |
1984 | ||
ef416fc2 | 1985 | close(con->file); |
1986 | con->file = -1; | |
1987 | ||
1988 | if (filestats.st_size > MaxRequestSize && | |
1989 | MaxRequestSize > 0) | |
1990 | { | |
1991 | /* | |
1992 | * Request is too big; remove it and send an error... | |
1993 | */ | |
1994 | ||
ef416fc2 | 1995 | unlink(con->filename); |
1996 | cupsdClearString(&con->filename); | |
1997 | ||
1998 | if (con->request) | |
1999 | { | |
2000 | /* | |
2001 | * Delete any IPP request data... | |
2002 | */ | |
2003 | ||
2004 | ippDelete(con->request); | |
2005 | con->request = NULL; | |
2006 | } | |
2007 | ||
5ec1fd3d | 2008 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2009 | { |
2010 | cupsdCloseClient(con); | |
2011 | return; | |
2012 | } | |
ef416fc2 | 2013 | } |
f8b3a85b MS |
2014 | else if (filestats.st_size == 0) |
2015 | { | |
2016 | /* | |
2017 | * Don't allow empty file... | |
2018 | */ | |
2019 | ||
2020 | unlink(con->filename); | |
2021 | cupsdClearString(&con->filename); | |
2022 | } | |
ef416fc2 | 2023 | |
2024 | if (con->command) | |
2025 | { | |
2026 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2027 | { | |
5ec1fd3d | 2028 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2029 | { |
2030 | cupsdCloseClient(con); | |
2031 | return; | |
2032 | } | |
ef416fc2 | 2033 | } |
2034 | else | |
5ec1fd3d | 2035 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2036 | } |
2037 | } | |
2038 | ||
2039 | if (con->request) | |
f7deaa1a | 2040 | { |
2041 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2042 | |
2043 | if (con->filename) | |
2044 | { | |
bc44d920 | 2045 | unlink(con->filename); |
2046 | cupsdClearString(&con->filename); | |
2047 | } | |
2048 | ||
f7deaa1a | 2049 | return; |
2050 | } | |
ef416fc2 | 2051 | } |
2052 | break; | |
2053 | ||
2054 | default : | |
2055 | break; /* Anti-compiler-warning-code */ | |
2056 | } | |
2057 | ||
5ec1fd3d | 2058 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
3dfe78b3 | 2059 | { |
5ec1fd3d | 2060 | if (!httpGetKeepAlive(con->http)) |
f11a948a | 2061 | { |
996acce8 MS |
2062 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2063 | "Closing because Keep-Alive is disabled."); | |
3dfe78b3 | 2064 | cupsdCloseClient(con); |
f11a948a | 2065 | } |
3dfe78b3 MS |
2066 | else |
2067 | { | |
2068 | cupsArrayRemove(ActiveClients, con); | |
2069 | cupsdSetBusyState(); | |
2070 | } | |
2071 | } | |
ef416fc2 | 2072 | } |
2073 | ||
2074 | ||
2075 | /* | |
2076 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2077 | */ | |
2078 | ||
2079 | int /* O - 1 on success, 0 on failure */ | |
2080 | cupsdSendCommand( | |
2081 | cupsd_client_t *con, /* I - Client connection */ | |
2082 | char *command, /* I - Command to run */ | |
2083 | char *options, /* I - Command-line options */ | |
2084 | int root) /* I - Run as root? */ | |
2085 | { | |
2086 | int fd; /* Standard input file descriptor */ | |
2087 | ||
2088 | ||
2089 | if (con->filename) | |
ed486911 | 2090 | { |
ef416fc2 | 2091 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2092 | |
ed486911 | 2093 | if (fd < 0) |
2094 | { | |
996acce8 MS |
2095 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2096 | "Unable to open \"%s\" for reading: %s", | |
2097 | con->filename ? con->filename : "/dev/null", | |
2098 | strerror(errno)); | |
ed486911 | 2099 | return (0); |
2100 | } | |
ef416fc2 | 2101 | |
ed486911 | 2102 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2103 | } | |
2104 | else | |
2105 | fd = -1; | |
ef416fc2 | 2106 | |
e200616a MS |
2107 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); |
2108 | con->pipe_status = HTTP_STATUS_OK; | |
ef416fc2 | 2109 | |
a73ca01e MS |
2110 | httpClearFields(con->http); |
2111 | ||
ed486911 | 2112 | if (fd >= 0) |
2113 | close(fd); | |
ef416fc2 | 2114 | |
996acce8 MS |
2115 | cupsdLogClient(con, CUPSD_LOG_INFO, "Started \"%s\" (pid=%d, file=%d)", |
2116 | command, con->pipe_pid, con->file); | |
ef416fc2 | 2117 | |
2118 | if (con->pipe_pid == 0) | |
2119 | return (0); | |
2120 | ||
2121 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2122 | ||
f899b121 | 2123 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2124 | |
996acce8 | 2125 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2126 | |
ef416fc2 | 2127 | con->sent_header = 0; |
2128 | con->file_ready = 0; | |
2129 | con->got_fields = 0; | |
68b10830 | 2130 | con->header_used = 0; |
ef416fc2 | 2131 | |
2132 | return (1); | |
2133 | } | |
2134 | ||
2135 | ||
2136 | /* | |
2137 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2138 | */ | |
2139 | ||
2140 | int /* O - 1 if successful, 0 otherwise */ | |
2141 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2142 | http_status_t code, /* I - Error code */ |
2143 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2144 | { |
996acce8 MS |
2145 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", |
2146 | code, auth_type); | |
b9faaae1 | 2147 | |
4744bd90 | 2148 | #ifdef HAVE_SSL |
2149 | /* | |
2150 | * Force client to upgrade for authentication if that is how the | |
2151 | * server is configured... | |
2152 | */ | |
2153 | ||
5ec1fd3d MS |
2154 | if (code == HTTP_STATUS_UNAUTHORIZED && |
2155 | DefaultEncryption == HTTP_ENCRYPTION_REQUIRED && | |
2156 | _cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost") && | |
2157 | !httpIsEncrypted(con->http)) | |
4744bd90 | 2158 | { |
5ec1fd3d | 2159 | code = HTTP_STATUS_UPGRADE_REQUIRED; |
4744bd90 | 2160 | } |
2161 | #endif /* HAVE_SSL */ | |
2162 | ||
ef416fc2 | 2163 | /* |
2164 | * Put the request in the access_log file... | |
2165 | */ | |
2166 | ||
2167 | cupsdLogRequest(con, code); | |
2168 | ||
ef416fc2 | 2169 | /* |
2170 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2171 | * error messages... | |
f7deaa1a | 2172 | * |
2173 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2174 | * never disable it in that case. | |
ef416fc2 | 2175 | */ |
2176 | ||
a73ca01e MS |
2177 | httpClearFields(con->http); |
2178 | ||
5ec1fd3d MS |
2179 | if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE) |
2180 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 2181 | |
d21dc0ed | 2182 | if (httpGetVersion(con->http) >= HTTP_VERSION_1_1 && |
5ec1fd3d | 2183 | httpGetKeepAlive(con->http) == HTTP_KEEPALIVE_OFF) |
e200616a | 2184 | httpSetField(con->http, HTTP_FIELD_CONNECTION, "close"); |
ef416fc2 | 2185 | |
5ec1fd3d | 2186 | if (code >= HTTP_STATUS_BAD_REQUEST) |
ef416fc2 | 2187 | { |
2188 | /* | |
2189 | * Send a human-readable error message. | |
2190 | */ | |
2191 | ||
80ca4592 | 2192 | char message[4096], /* Message for user */ |
2193 | urltext[1024], /* URL redirection text */ | |
2194 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2195 | const char *text; /* Status-specific text */ |
2196 | ||
80ca4592 | 2197 | |
2198 | redirect[0] = '\0'; | |
2199 | ||
5ec1fd3d | 2200 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2201 | text = _cupsLangString(con->language, |
2202 | _("Enter your username and password or the " | |
2203 | "root username and password to access this " | |
f7deaa1a | 2204 | "page. If you are using Kerberos authentication, " |
2205 | "make sure you have a valid Kerberos ticket.")); | |
5ec1fd3d | 2206 | else if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
80ca4592 | 2207 | { |
2208 | text = urltext; | |
2209 | ||
2210 | snprintf(urltext, sizeof(urltext), | |
2211 | _cupsLangString(con->language, | |
2212 | _("You must access this page using the URL " | |
2213 | "<A HREF=\"https://%s:%d%s\">" | |
2214 | "https://%s:%d%s</A>.")), | |
2215 | con->servername, con->serverport, con->uri, | |
2216 | con->servername, con->serverport, con->uri); | |
2217 | ||
2218 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2219 | "<META HTTP-EQUIV=\"Refresh\" " |
2220 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2221 | con->servername, con->serverport, con->uri); |
2222 | } | |
5ec1fd3d | 2223 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2224 | text = _cupsLangString(con->language, |
2225 | _("The web interface is currently disabled. Run " | |
2226 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2227 | else |
2228 | text = ""; | |
2229 | ||
2230 | snprintf(message, sizeof(message), | |
745129be MS |
2231 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2232 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2233 | "<HTML>\n" |
2234 | "<HEAD>\n" | |
2235 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2236 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2237 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2238 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2239 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2240 | "%s" |
ef416fc2 | 2241 | "</HEAD>\n" |
2242 | "<BODY>\n" | |
229681c1 | 2243 | "<H1>%s</H1>\n" |
ef416fc2 | 2244 | "<P>%s</P>\n" |
2245 | "</BODY>\n" | |
2246 | "</HTML>\n", | |
41e6c1f1 MS |
2247 | _httpStatus(con->language, code), redirect, |
2248 | _httpStatus(con->language, code), text); | |
ef416fc2 | 2249 | |
43dcaf3b MS |
2250 | /* |
2251 | * Send an error message back to the client. If the error code is a | |
2252 | * 400 or 500 series, make sure the message contains some text, too! | |
2253 | */ | |
2254 | ||
2255 | size_t length = strlen(message); /* Length of message */ | |
e200616a | 2256 | |
43dcaf3b | 2257 | httpSetLength(con->http, length); |
e200616a MS |
2258 | |
2259 | if (!cupsdSendHeader(con, code, "text/html", auth_type)) | |
ef416fc2 | 2260 | return (0); |
ebeb3268 | 2261 | |
43dcaf3b MS |
2262 | if (httpWrite2(con->http, message, length) < 0) |
2263 | return (0); | |
2264 | ||
2265 | if (httpFlushWrite(con->http) < 0) | |
ef416fc2 | 2266 | return (0); |
2267 | } | |
e200616a MS |
2268 | else |
2269 | { | |
2270 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
a469f8a5 | 2271 | |
e200616a MS |
2272 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
2273 | return (0); | |
2274 | } | |
ef416fc2 | 2275 | |
2276 | return (1); | |
2277 | } | |
2278 | ||
2279 | ||
ef416fc2 | 2280 | /* |
2281 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2282 | */ | |
2283 | ||
2284 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2285 | cupsdSendHeader( |
2286 | cupsd_client_t *con, /* I - Client to send to */ | |
2287 | http_status_t code, /* I - HTTP status code */ | |
2288 | char *type, /* I - MIME type of document */ | |
2289 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2290 | { |
5a738aea | 2291 | char auth_str[1024]; /* Authorization string */ |
f7deaa1a | 2292 | |
2293 | ||
4744bd90 | 2294 | /* |
2295 | * Send the HTTP status header... | |
2296 | */ | |
2297 | ||
a73ca01e | 2298 | if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2299 | { |
2300 | /* | |
2301 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2302 | * browsers. | |
2303 | */ | |
2304 | ||
5ec1fd3d | 2305 | code = HTTP_STATUS_OK; |
229681c1 | 2306 | } |
b423cd4c | 2307 | |
ef416fc2 | 2308 | if (ServerHeader) |
e200616a | 2309 | httpSetField(con->http, HTTP_FIELD_SERVER, ServerHeader); |
5ec1fd3d MS |
2310 | |
2311 | if (code == HTTP_STATUS_METHOD_NOT_ALLOWED) | |
e200616a | 2312 | httpSetField(con->http, HTTP_FIELD_ALLOW, "GET, HEAD, OPTIONS, POST, PUT"); |
ef416fc2 | 2313 | |
5ec1fd3d | 2314 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2315 | { |
5bd77a73 | 2316 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2317 | { |
5bd77a73 | 2318 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
dcb445bc | 2319 | auth_type = cupsdDefaultAuthType(); |
f899b121 | 2320 | else |
2321 | auth_type = con->best->type; | |
2322 | } | |
f7deaa1a | 2323 | |
2324 | auth_str[0] = '\0'; | |
2325 | ||
5bd77a73 | 2326 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2327 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2328 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2329 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
5ec1fd3d | 2330 | httpGetHostname(con->http, NULL, 0)); |
f7deaa1a | 2331 | #ifdef HAVE_GSSAPI |
eac3a0a0 | 2332 | else if (auth_type == CUPSD_AUTH_NEGOTIATE) |
6961465f MS |
2333 | { |
2334 | # ifdef AF_LOCAL | |
5ec1fd3d | 2335 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
6961465f MS |
2336 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
2337 | else | |
2338 | # endif /* AF_LOCAL */ | |
f7deaa1a | 2339 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
6961465f | 2340 | } |
f7deaa1a | 2341 | #endif /* HAVE_GSSAPI */ |
2342 | ||
e07d4801 | 2343 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
5ec1fd3d | 2344 | !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost")) |
ef416fc2 | 2345 | { |
e07d4801 MS |
2346 | /* |
2347 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2348 | * requests when the request requires system group membership - then the | |
2349 | * client knows the root certificate can/should be used. | |
2350 | * | |
f3c17241 | 2351 | * Also, for OS X we also look for @AUTHKEY and add an "authkey" |
e07d4801 MS |
2352 | * parameter as needed... |
2353 | */ | |
2354 | ||
10d09e33 MS |
2355 | char *name, /* Current user name */ |
2356 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2357 | size_t auth_size; /* Size of remaining buffer */ |
2358 | ||
f7deaa1a | 2359 | auth_key = auth_str + strlen(auth_str); |
2360 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2361 | ||
10d09e33 MS |
2362 | for (name = (char *)cupsArrayFirst(con->best->names); |
2363 | name; | |
2364 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2365 | { |
e07d4801 | 2366 | #ifdef HAVE_AUTHORIZATION_H |
88f9aafc | 2367 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2368 | { |
10d09e33 | 2369 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2370 | /* end parenthesis is stripped in conf.c */ |
2371 | break; | |
2372 | } | |
e07d4801 MS |
2373 | else |
2374 | #endif /* HAVE_AUTHORIZATION_H */ | |
88f9aafc | 2375 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2376 | { |
e07d4801 MS |
2377 | #ifdef HAVE_AUTHORIZATION_H |
2378 | if (SystemGroupAuthKey) | |
2379 | snprintf(auth_key, auth_size, | |
07ed0e9a | 2380 | ", authkey=\"%s\"", |
e07d4801 MS |
2381 | SystemGroupAuthKey); |
2382 | else | |
2383 | #else | |
f11a948a | 2384 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2385 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2386 | break; |
2387 | } | |
2388 | } | |
ef416fc2 | 2389 | } |
f7deaa1a | 2390 | |
bc44d920 | 2391 | if (auth_str[0]) |
2392 | { | |
996acce8 | 2393 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "WWW-Authenticate: %s", auth_str); |
bc44d920 | 2394 | |
e200616a | 2395 | httpSetField(con->http, HTTP_FIELD_WWW_AUTHENTICATE, auth_str); |
bc44d920 | 2396 | } |
ef416fc2 | 2397 | } |
2398 | ||
e1d6a774 | 2399 | if (con->language && strcmp(con->language->language, "C")) |
e200616a | 2400 | httpSetField(con->http, HTTP_FIELD_CONTENT_LANGUAGE, con->language->language); |
ef416fc2 | 2401 | |
e1d6a774 | 2402 | if (type) |
ef416fc2 | 2403 | { |
2404 | if (!strcmp(type, "text/html")) | |
e200616a MS |
2405 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, "text/html; charset=utf-8"); |
2406 | else | |
2407 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, type); | |
ef416fc2 | 2408 | } |
2409 | ||
e200616a | 2410 | return (!httpWriteResponse(con->http, code)); |
ef416fc2 | 2411 | } |
2412 | ||
2413 | ||
2414 | /* | |
2415 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2416 | */ | |
2417 | ||
2418 | void | |
2419 | cupsdUpdateCGI(void) | |
2420 | { | |
2421 | char *ptr, /* Pointer to end of line in buffer */ | |
2422 | message[1024]; /* Pointer to message text */ | |
2423 | int loglevel; /* Log level for message */ | |
2424 | ||
2425 | ||
2426 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2427 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2428 | { |
2429 | if (loglevel == CUPSD_LOG_INFO) | |
2430 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2431 | ||
ef416fc2 | 2432 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2433 | break; | |
f0ab5bff | 2434 | } |
ef416fc2 | 2435 | |
d09495fa | 2436 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2437 | { |
2438 | /* | |
2439 | * Fatal error on pipe - should never happen! | |
2440 | */ | |
2441 | ||
2442 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2443 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2444 | strerror(errno)); | |
2445 | } | |
2446 | } | |
2447 | ||
2448 | ||
2449 | /* | |
2450 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2451 | */ | |
2452 | ||
f7deaa1a | 2453 | void |
ef416fc2 | 2454 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2455 | { | |
68b10830 MS |
2456 | int bytes, /* Number of bytes written */ |
2457 | field_col; /* Current column */ | |
2458 | char *bufptr, /* Pointer into buffer */ | |
2459 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2460 | ipp_state_t ipp_state; /* IPP state value */ |
2461 | ||
2462 | ||
5ec1fd3d | 2463 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "con->http=%p", con->http); |
996acce8 MS |
2464 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2465 | "cupsdWriteClient " | |
2466 | "error=%d, " | |
2467 | "used=%d, " | |
2468 | "state=%s, " | |
2469 | "data_encoding=HTTP_ENCODING_%s, " | |
2470 | "data_remaining=" CUPS_LLFMT ", " | |
2471 | "response=%p(%s), " | |
2472 | "pipe_pid=%d, " | |
2473 | "file=%d", | |
5ec1fd3d MS |
2474 | httpError(con->http), (int)httpGetReady(con->http), |
2475 | httpStateString(httpGetState(con->http)), | |
d21dc0ed MS |
2476 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", |
2477 | CUPS_LLCAST httpGetLength2(con->http), | |
996acce8 | 2478 | con->response, |
a73ca01e | 2479 | con->response ? ippStateString(ippGetState(con->request)) : "", |
996acce8 MS |
2480 | con->pipe_pid, con->file); |
2481 | ||
5ec1fd3d MS |
2482 | if (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2483 | httpGetState(con->http) != HTTP_STATE_POST_SEND) | |
8b116e60 MS |
2484 | { |
2485 | /* | |
2486 | * If we get called in the wrong state, then something went wrong with the | |
2487 | * connection and we need to shut it down... | |
2488 | */ | |
2489 | ||
43dcaf3b | 2490 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP write state %s.", |
5ec1fd3d | 2491 | httpStateString(httpGetState(con->http))); |
8b116e60 | 2492 | cupsdCloseClient(con); |
f7deaa1a | 2493 | return; |
8b116e60 | 2494 | } |
f7deaa1a | 2495 | |
2496 | if (con->pipe_pid) | |
2497 | { | |
2498 | /* | |
2499 | * Make sure we select on the CGI output... | |
2500 | */ | |
2501 | ||
f899b121 | 2502 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2503 | |
996acce8 | 2504 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2505 | |
f7deaa1a | 2506 | if (!con->file_ready) |
2507 | { | |
2508 | /* | |
2509 | * Try again later when there is CGI output available... | |
2510 | */ | |
2511 | ||
996acce8 | 2512 | cupsdRemoveSelect(httpGetFd(con->http)); |
f7deaa1a | 2513 | return; |
2514 | } | |
2515 | ||
2516 | con->file_ready = 0; | |
2517 | } | |
ef416fc2 | 2518 | |
5ec1fd3d | 2519 | if (con->response && con->response->state != IPP_STATE_DATA) |
ef416fc2 | 2520 | { |
d21dc0ed | 2521 | size_t wused = httpGetPending(con->http); /* Previous write buffer use */ |
94436c5a MS |
2522 | |
2523 | do | |
2524 | { | |
2525 | /* | |
2526 | * Write a single attribute or the IPP message header... | |
2527 | */ | |
2528 | ||
996acce8 | 2529 | ipp_state = ippWrite(con->http, con->response); |
94436c5a MS |
2530 | |
2531 | /* | |
2532 | * If the write buffer has been flushed, stop buffering up attributes... | |
2533 | */ | |
2534 | ||
d21dc0ed | 2535 | if (httpGetPending(con->http) <= wused) |
94436c5a MS |
2536 | break; |
2537 | } | |
2538 | while (ipp_state != IPP_STATE_DATA && ipp_state != IPP_STATE_ERROR); | |
2539 | ||
996acce8 MS |
2540 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2541 | "Writing IPP response, ipp_state=%s, old " | |
d21dc0ed MS |
2542 | "wused=" CUPS_LLFMT ", new wused=" CUPS_LLFMT, |
2543 | ippStateString(ipp_state), | |
2544 | CUPS_LLCAST wused, CUPS_LLCAST httpGetPending(con->http)); | |
2545 | ||
2546 | if (httpGetPending(con->http) > 0) | |
996acce8 | 2547 | httpFlushWrite(con->http); |
94436c5a MS |
2548 | |
2549 | bytes = ipp_state != IPP_STATE_ERROR && | |
2550 | (con->file >= 0 || ipp_state != IPP_STATE_DATA); | |
21f36711 | 2551 | |
996acce8 MS |
2552 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2553 | "bytes=%d, http_state=%d, data_remaining=" CUPS_LLFMT, | |
5ec1fd3d | 2554 | (int)bytes, httpGetState(con->http), |
d21dc0ed | 2555 | CUPS_LLCAST httpGetLength2(con->http)); |
ef416fc2 | 2556 | } |
a2326b5b | 2557 | else if ((bytes = read(con->file, con->header + con->header_used, |
68b10830 | 2558 | sizeof(con->header) - con->header_used)) > 0) |
ef416fc2 | 2559 | { |
68b10830 MS |
2560 | con->header_used += bytes; |
2561 | ||
ef416fc2 | 2562 | if (con->pipe_pid && !con->got_fields) |
2563 | { | |
2564 | /* | |
2565 | * Inspect the data for Content-Type and other fields. | |
2566 | */ | |
2567 | ||
68b10830 MS |
2568 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2569 | field_col = 0; | |
2570 | !con->got_fields && bufptr < bufend; | |
2571 | bufptr ++) | |
d1c13e16 | 2572 | { |
ef416fc2 | 2573 | if (*bufptr == '\n') |
2574 | { | |
2575 | /* | |
2576 | * Send line to client... | |
2577 | */ | |
2578 | ||
68b10830 | 2579 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2580 | bufptr[-1] = '\0'; |
2581 | *bufptr++ = '\0'; | |
2582 | ||
996acce8 | 2583 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2584 | |
2585 | if (!con->sent_header) | |
2586 | { | |
2587 | /* | |
2588 | * Handle redirection and CGI status codes... | |
2589 | */ | |
2590 | ||
e200616a MS |
2591 | http_field_t field; /* HTTP field */ |
2592 | char *value = strchr(con->header, ':'); | |
2593 | /* Value of field */ | |
2594 | ||
2595 | if (value) | |
d6ae789d | 2596 | { |
e200616a MS |
2597 | *value++ = '\0'; |
2598 | while (isspace(*value & 255)) | |
2599 | value ++; | |
2600 | } | |
321d8d57 | 2601 | |
e200616a | 2602 | field = httpFieldValue(con->header); |
07725fee | 2603 | |
e200616a MS |
2604 | if (field != HTTP_FIELD_UNKNOWN && value) |
2605 | { | |
2606 | httpSetField(con->http, field, value); | |
2607 | ||
2608 | if (field == HTTP_FIELD_LOCATION) | |
2609 | { | |
2610 | con->pipe_status = HTTP_STATUS_SEE_OTHER; | |
2611 | con->sent_header = 2; | |
2612 | } | |
2613 | else | |
2614 | con->sent_header = 1; | |
d6ae789d | 2615 | } |
e200616a | 2616 | else if (!_cups_strcasecmp(con->header, "Status") && value) |
07725fee | 2617 | { |
e200616a | 2618 | con->pipe_status = (http_status_t)atoi(value); |
07725fee | 2619 | con->sent_header = 2; |
2620 | } | |
e200616a | 2621 | else if (!_cups_strcasecmp(con->header, "Set-Cookie") && value) |
4744bd90 | 2622 | { |
e200616a MS |
2623 | char *sep = strchr(value, ';'); |
2624 | /* Separator between name=value and the rest */ | |
321d8d57 | 2625 | |
e200616a MS |
2626 | if (sep) |
2627 | *sep = '\0'; | |
ef416fc2 | 2628 | |
e200616a MS |
2629 | httpSetCookie(con->http, value); |
2630 | con->sent_header = 1; | |
2631 | } | |
ef416fc2 | 2632 | } |
2633 | ||
ef416fc2 | 2634 | /* |
2635 | * Update buffer... | |
2636 | */ | |
2637 | ||
68b10830 | 2638 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2639 | |
68b10830 MS |
2640 | if (con->header_used > 0) |
2641 | memmove(con->header, bufptr, con->header_used); | |
d1c13e16 | 2642 | |
68b10830 | 2643 | bufptr = con->header - 1; |
ef416fc2 | 2644 | |
2645 | /* | |
2646 | * See if the line was empty... | |
2647 | */ | |
2648 | ||
68b10830 | 2649 | if (field_col == 0) |
d09495fa | 2650 | { |
ef416fc2 | 2651 | con->got_fields = 1; |
d09495fa | 2652 | |
e200616a MS |
2653 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1 && |
2654 | !httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0]) | |
2655 | httpSetLength(con->http, 0); | |
2656 | ||
2657 | if (!cupsdSendHeader(con, con->pipe_status, NULL, CUPSD_AUTH_NONE)) | |
07725fee | 2658 | { |
2659 | cupsdCloseClient(con); | |
f7deaa1a | 2660 | return; |
07725fee | 2661 | } |
d09495fa | 2662 | } |
ef416fc2 | 2663 | else |
68b10830 | 2664 | field_col = 0; |
ef416fc2 | 2665 | } |
2666 | else if (*bufptr != '\r') | |
68b10830 | 2667 | field_col ++; |
d1c13e16 | 2668 | } |
ef416fc2 | 2669 | |
68b10830 | 2670 | if (!con->got_fields) |
47879b8b | 2671 | return; |
ef416fc2 | 2672 | } |
2673 | ||
68b10830 | 2674 | if (con->header_used > 0) |
ef416fc2 | 2675 | { |
996acce8 | 2676 | if (httpWrite2(con->http, con->header, con->header_used) < 0) |
4744bd90 | 2677 | { |
996acce8 | 2678 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2679 | httpError(con->http), strerror(httpError(con->http))); |
4744bd90 | 2680 | cupsdCloseClient(con); |
f7deaa1a | 2681 | return; |
4744bd90 | 2682 | } |
ef416fc2 | 2683 | |
d21dc0ed | 2684 | if (httpIsChunked(con->http)) |
996acce8 | 2685 | httpFlushWrite(con->http); |
ae71f5de | 2686 | |
68b10830 | 2687 | con->bytes += con->header_used; |
ef416fc2 | 2688 | |
5ec1fd3d | 2689 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
4744bd90 | 2690 | bytes = 0; |
68b10830 MS |
2691 | else |
2692 | bytes = con->header_used; | |
2693 | ||
2694 | con->header_used = 0; | |
4744bd90 | 2695 | } |
ef416fc2 | 2696 | } |
2697 | ||
8b116e60 | 2698 | if (bytes <= 0 || |
5ec1fd3d MS |
2699 | (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2700 | httpGetState(con->http) != HTTP_STATE_POST_SEND)) | |
ef416fc2 | 2701 | { |
38e73f87 | 2702 | if (!con->sent_header && con->pipe_pid) |
5ec1fd3d | 2703 | cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE); |
94da7e34 MS |
2704 | else |
2705 | { | |
5ec1fd3d | 2706 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2707 | |
43dcaf3b | 2708 | if (httpIsChunked(con->http) && (!con->pipe_pid || con->sent_header == 1)) |
ef416fc2 | 2709 | { |
dfc45c1b MS |
2710 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending 0-length chunk."); |
2711 | ||
996acce8 | 2712 | if (httpWrite2(con->http, "", 0) < 0) |
94da7e34 | 2713 | { |
996acce8 | 2714 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2715 | httpError(con->http), strerror(httpError(con->http))); |
94da7e34 MS |
2716 | cupsdCloseClient(con); |
2717 | return; | |
2718 | } | |
ef416fc2 | 2719 | } |
dfc45c1b MS |
2720 | |
2721 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Flushing write buffer."); | |
2722 | httpFlushWrite(con->http); | |
2723 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "New state is %s", httpStateString(httpGetState(con->http))); | |
ef416fc2 | 2724 | } |
2725 | ||
996acce8 | 2726 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2727 | |
996acce8 | 2728 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 2729 | |
ef416fc2 | 2730 | if (con->file >= 0) |
2731 | { | |
f7deaa1a | 2732 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2733 | |
2734 | if (con->pipe_pid) | |
2735 | cupsdEndProcess(con->pipe_pid, 0); | |
2736 | ||
ef416fc2 | 2737 | close(con->file); |
2738 | con->file = -1; | |
2739 | con->pipe_pid = 0; | |
2740 | } | |
2741 | ||
2742 | if (con->filename) | |
2743 | { | |
ef416fc2 | 2744 | unlink(con->filename); |
2745 | cupsdClearString(&con->filename); | |
2746 | } | |
2747 | ||
2abf387c | 2748 | if (con->request) |
ef416fc2 | 2749 | { |
2750 | ippDelete(con->request); | |
2751 | con->request = NULL; | |
2752 | } | |
2753 | ||
2abf387c | 2754 | if (con->response) |
ef416fc2 | 2755 | { |
2756 | ippDelete(con->response); | |
2757 | con->response = NULL; | |
2758 | } | |
2759 | ||
2760 | cupsdClearString(&con->command); | |
2761 | cupsdClearString(&con->options); | |
b86bc4cf | 2762 | cupsdClearString(&con->query_string); |
ef416fc2 | 2763 | |
5ec1fd3d | 2764 | if (!httpGetKeepAlive(con->http)) |
ef416fc2 | 2765 | { |
996acce8 MS |
2766 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2767 | "Closing because Keep-Alive is disabled."); | |
ef416fc2 | 2768 | cupsdCloseClient(con); |
f7deaa1a | 2769 | return; |
ef416fc2 | 2770 | } |
f11a948a MS |
2771 | else |
2772 | { | |
2773 | cupsArrayRemove(ActiveClients, con); | |
2774 | cupsdSetBusyState(); | |
2775 | } | |
ef416fc2 | 2776 | } |
f7deaa1a | 2777 | } |
ef416fc2 | 2778 | |
f7deaa1a | 2779 | |
e1d6a774 | 2780 | /* |
2781 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2782 | */ | |
2783 | ||
2784 | static int /* O - 1 if modified since */ | |
2785 | check_if_modified( | |
2786 | cupsd_client_t *con, /* I - Client connection */ | |
2787 | struct stat *filestats) /* I - File information */ | |
2788 | { | |
5ec1fd3d | 2789 | const char *ptr; /* Pointer into field */ |
e1d6a774 | 2790 | time_t date; /* Time/date value */ |
2791 | off_t size; /* Size/length value */ | |
2792 | ||
2793 | ||
2794 | size = 0; | |
2795 | date = 0; | |
5ec1fd3d | 2796 | ptr = httpGetField(con->http, HTTP_FIELD_IF_MODIFIED_SINCE); |
e1d6a774 | 2797 | |
2798 | if (*ptr == '\0') | |
2799 | return (1); | |
2800 | ||
996acce8 MS |
2801 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
2802 | "check_if_modified " | |
2803 | "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", | |
2804 | filestats, CUPS_LLCAST filestats->st_size, | |
2805 | (int)filestats->st_mtime, ptr); | |
e1d6a774 | 2806 | |
2807 | while (*ptr != '\0') | |
2808 | { | |
2809 | while (isspace(*ptr) || *ptr == ';') | |
2810 | ptr ++; | |
2811 | ||
88f9aafc | 2812 | if (_cups_strncasecmp(ptr, "length=", 7) == 0) |
e1d6a774 | 2813 | { |
2814 | ptr += 7; | |
2815 | size = strtoll(ptr, NULL, 10); | |
2816 | ||
2817 | while (isdigit(*ptr)) | |
2818 | ptr ++; | |
2819 | } | |
2820 | else if (isalpha(*ptr)) | |
2821 | { | |
2822 | date = httpGetDateTime(ptr); | |
2823 | while (*ptr != '\0' && *ptr != ';') | |
2824 | ptr ++; | |
2825 | } | |
e53920b9 | 2826 | else |
2827 | ptr ++; | |
e1d6a774 | 2828 | } |
2829 | ||
e1d6a774 | 2830 | return ((size != filestats->st_size && size != 0) || |
2831 | (date < filestats->st_mtime && date != 0) || | |
2832 | (size == 0 && date == 0)); | |
2833 | } | |
2834 | ||
2835 | ||
3dfe78b3 MS |
2836 | /* |
2837 | * 'compare_clients()' - Compare two client connections. | |
2838 | */ | |
2839 | ||
2840 | static int /* O - Result of comparison */ | |
2841 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
2842 | cupsd_client_t *b, /* I - Second client */ | |
2843 | void *data) /* I - User data (not used) */ | |
2844 | { | |
2845 | (void)data; | |
2846 | ||
2847 | if (a == b) | |
2848 | return (0); | |
2849 | else if (a < b) | |
2850 | return (-1); | |
2851 | else | |
2852 | return (1); | |
2853 | } | |
2854 | ||
2855 | ||
d3d89474 MS |
2856 | #ifdef HAVE_SSL |
2857 | /* | |
2858 | * 'cupsd_start_tls()' - Start encryption on a connection. | |
2859 | */ | |
2860 | ||
2861 | static int /* O - 0 on success, -1 on error */ | |
2862 | cupsd_start_tls(cupsd_client_t *con, /* I - Client connection */ | |
2863 | http_encryption_t e) /* I - Encryption mode */ | |
2864 | { | |
d3d89474 MS |
2865 | if (httpEncryption(con->http, e)) |
2866 | { | |
2867 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to encrypt connection: %s", | |
2868 | cupsLastErrorString()); | |
2869 | return (-1); | |
2870 | } | |
2871 | ||
2872 | cupsdLogClient(con, CUPSD_LOG_INFO, "Connection now encrypted."); | |
2873 | return (0); | |
2874 | } | |
2875 | #endif /* HAVE_SSL */ | |
2876 | ||
2877 | ||
ef416fc2 | 2878 | /* |
2879 | * 'get_file()' - Get a filename and state info. | |
2880 | */ | |
2881 | ||
2882 | static char * /* O - Real filename */ | |
2883 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
2884 | struct stat *filestats, /* O - File information */ | |
2885 | char *filename, /* IO - Filename buffer */ | |
2886 | int len) /* I - Buffer length */ | |
2887 | { | |
2888 | int status; /* Status of filesystem calls */ | |
2889 | char *ptr; /* Pointer info filename */ | |
2890 | int plen; /* Remaining length after pointer */ | |
db1f069b | 2891 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 2892 | |
2893 | ||
2894 | /* | |
f7deaa1a | 2895 | * Figure out the real filename... |
ef416fc2 | 2896 | */ |
2897 | ||
db1f069b MS |
2898 | language[0] = '\0'; |
2899 | ||
7cf5915e | 2900 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
ef416fc2 | 2901 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
7cf5915e MS |
2902 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
2903 | { | |
2904 | snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7); | |
2905 | if (access(filename, F_OK) < 0) | |
2906 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
2907 | } | |
f7deaa1a | 2908 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
2909 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 2910 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
2911 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
2912 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
2913 | { | |
2e4ff8af | 2914 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 2915 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 2916 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 2917 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 2918 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 2919 | strlcpy(filename, PageLog, len); |
2920 | else | |
2921 | return (NULL); | |
2922 | } | |
d6ae789d | 2923 | else if (con->language) |
db1f069b MS |
2924 | { |
2925 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
2926 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
2927 | } | |
ef416fc2 | 2928 | else |
2929 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
2930 | ||
2931 | if ((ptr = strchr(filename, '?')) != NULL) | |
2932 | *ptr = '\0'; | |
2933 | ||
2934 | /* | |
2935 | * Grab the status for this language; if there isn't a language-specific file | |
2936 | * then fallback to the default one... | |
2937 | */ | |
2938 | ||
db1f069b | 2939 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 2940 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 2941 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 2942 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 2943 | strncmp(con->uri, "/admin/conf/", 12) && |
2944 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 2945 | { |
2946 | /* | |
d6ae789d | 2947 | * Drop the country code... |
ef416fc2 | 2948 | */ |
2949 | ||
db1f069b MS |
2950 | language[3] = '\0'; |
2951 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 2952 | |
2953 | if ((ptr = strchr(filename, '?')) != NULL) | |
2954 | *ptr = '\0'; | |
2955 | ||
2956 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 2957 | { |
d6ae789d | 2958 | /* |
2959 | * Drop the language prefix and try the root directory... | |
2960 | */ | |
2961 | ||
db1f069b | 2962 | language[0] = '\0'; |
ef416fc2 | 2963 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
2964 | ||
2965 | if ((ptr = strchr(filename, '?')) != NULL) | |
2966 | *ptr = '\0'; | |
2967 | ||
2968 | status = stat(filename, filestats); | |
2969 | } | |
2970 | } | |
2971 | ||
2972 | /* | |
2973 | * If we're found a directory, get the index.html file instead... | |
2974 | */ | |
2975 | ||
2976 | if (!status && S_ISDIR(filestats->st_mode)) | |
2977 | { | |
db1f069b MS |
2978 | /* |
2979 | * Make sure the URI ends with a slash... | |
2980 | */ | |
ef416fc2 | 2981 | |
db1f069b MS |
2982 | if (con->uri[strlen(con->uri) - 1] != '/') |
2983 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 2984 | |
db1f069b MS |
2985 | /* |
2986 | * Find the directory index file, trying every language... | |
2987 | */ | |
ef416fc2 | 2988 | |
db1f069b | 2989 | do |
ef416fc2 | 2990 | { |
db1f069b MS |
2991 | if (status && language[0]) |
2992 | { | |
2993 | /* | |
2994 | * Try a different language subset... | |
2995 | */ | |
2996 | ||
2997 | if (language[3]) | |
2998 | language[0] = '\0'; /* Strip country code */ | |
2999 | else | |
3000 | language[0] = '\0'; /* Strip language */ | |
3001 | } | |
3002 | ||
3003 | /* | |
3004 | * Look for the index file... | |
3005 | */ | |
3006 | ||
3007 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3008 | ||
3009 | if ((ptr = strchr(filename, '?')) != NULL) | |
3010 | *ptr = '\0'; | |
3011 | ||
3012 | ptr = filename + strlen(filename); | |
3013 | plen = len - (ptr - filename); | |
3014 | ||
3015 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3016 | status = stat(filename, filestats); |
db1f069b MS |
3017 | |
3018 | #ifdef HAVE_JAVA | |
3019 | if (status) | |
3020 | { | |
3021 | strlcpy(ptr, "index.class", plen); | |
3022 | status = stat(filename, filestats); | |
3023 | } | |
ef416fc2 | 3024 | #endif /* HAVE_JAVA */ |
3025 | ||
3026 | #ifdef HAVE_PERL | |
db1f069b MS |
3027 | if (status) |
3028 | { | |
3029 | strlcpy(ptr, "index.pl", plen); | |
3030 | status = stat(filename, filestats); | |
3031 | } | |
ef416fc2 | 3032 | #endif /* HAVE_PERL */ |
3033 | ||
3034 | #ifdef HAVE_PHP | |
db1f069b MS |
3035 | if (status) |
3036 | { | |
3037 | strlcpy(ptr, "index.php", plen); | |
3038 | status = stat(filename, filestats); | |
3039 | } | |
ef416fc2 | 3040 | #endif /* HAVE_PHP */ |
3041 | ||
3042 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3043 | if (status) |
3044 | { | |
3045 | strlcpy(ptr, "index.pyc", plen); | |
3046 | status = stat(filename, filestats); | |
3047 | } | |
ef416fc2 | 3048 | |
db1f069b MS |
3049 | if (status) |
3050 | { | |
3051 | strlcpy(ptr, "index.py", plen); | |
3052 | status = stat(filename, filestats); | |
3053 | } | |
ef416fc2 | 3054 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3055 | |
3056 | } | |
3057 | while (status && language[0]); | |
ef416fc2 | 3058 | } |
3059 | ||
996acce8 MS |
3060 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3061 | "get_file filestats=%p, filename=%p, len=%d, " | |
3062 | "returning \"%s\".", filestats, filename, len, | |
3063 | status ? "(null)" : filename); | |
ef416fc2 | 3064 | |
ef416fc2 | 3065 | if (status) |
3066 | return (NULL); | |
3067 | else | |
3068 | return (filename); | |
3069 | } | |
3070 | ||
3071 | ||
3072 | /* | |
c41769ff | 3073 | * 'install_cupsd_conf()' - Install a configuration file. |
ef416fc2 | 3074 | */ |
3075 | ||
3076 | static http_status_t /* O - Status */ | |
c41769ff | 3077 | install_cupsd_conf(cupsd_client_t *con) /* I - Connection */ |
ef416fc2 | 3078 | { |
321d8d57 | 3079 | char filename[1024]; /* Configuration filename */ |
ef416fc2 | 3080 | cups_file_t *in, /* Input file */ |
3081 | *out; /* Output file */ | |
321d8d57 MS |
3082 | char buffer[16384]; /* Copy buffer */ |
3083 | ssize_t bytes; /* Number of bytes */ | |
ef416fc2 | 3084 | |
3085 | ||
3086 | /* | |
321d8d57 | 3087 | * Open the request file... |
ef416fc2 | 3088 | */ |
3089 | ||
321d8d57 | 3090 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
ef416fc2 | 3091 | { |
996acce8 | 3092 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s", |
321d8d57 | 3093 | con->filename, strerror(errno)); |
5ec1fd3d | 3094 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3095 | } |
3096 | ||
3097 | /* | |
321d8d57 | 3098 | * Open the new config file... |
ef416fc2 | 3099 | */ |
3100 | ||
cb7f98ee | 3101 | if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL) |
ef416fc2 | 3102 | { |
3103 | cupsFileClose(in); | |
5ec1fd3d | 3104 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3105 | } |
3106 | ||
996acce8 | 3107 | cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...", |
cb7f98ee | 3108 | ConfigurationFile); |
ef416fc2 | 3109 | |
3110 | /* | |
3111 | * Copy from the request to the new config file... | |
3112 | */ | |
3113 | ||
3114 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3115 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3116 | { | |
996acce8 | 3117 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
321d8d57 | 3118 | "Unable to copy to config file \"%s\": %s", |
cb7f98ee | 3119 | ConfigurationFile, strerror(errno)); |
ef416fc2 | 3120 | |
3121 | cupsFileClose(in); | |
3122 | cupsFileClose(out); | |
321d8d57 | 3123 | |
cb7f98ee MS |
3124 | snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile); |
3125 | cupsdUnlinkOrRemoveFile(filename); | |
ef416fc2 | 3126 | |
5ec1fd3d | 3127 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3128 | } |
3129 | ||
3130 | /* | |
3131 | * Close the files... | |
3132 | */ | |
3133 | ||
3134 | cupsFileClose(in); | |
ef416fc2 | 3135 | |
cb7f98ee | 3136 | if (cupsdCloseCreatedConfFile(out, ConfigurationFile)) |
5ec1fd3d | 3137 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3138 | |
3139 | /* | |
3140 | * Remove the request file... | |
3141 | */ | |
3142 | ||
cb7f98ee | 3143 | cupsdUnlinkOrRemoveFile(con->filename); |
ef416fc2 | 3144 | cupsdClearString(&con->filename); |
3145 | ||
ef416fc2 | 3146 | /* |
c41769ff | 3147 | * Set the NeedReload flag... |
ef416fc2 | 3148 | */ |
3149 | ||
c41769ff | 3150 | NeedReload = RELOAD_CUPSD; |
ef416fc2 | 3151 | ReloadTime = time(NULL); |
3152 | ||
3153 | /* | |
3154 | * Return that the file was created successfully... | |
3155 | */ | |
3156 | ||
5ec1fd3d | 3157 | return (HTTP_STATUS_CREATED); |
ef416fc2 | 3158 | } |
3159 | ||
3160 | ||
e1d6a774 | 3161 | /* |
3162 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3163 | */ | |
3164 | ||
3165 | static int /* O - 1 = CGI, 0 = file */ | |
3166 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3167 | const char *filename, /* I - Real filename */ | |
3168 | struct stat *filestats, /* I - File information */ | |
3169 | mime_type_t *type) /* I - MIME type */ | |
3170 | { | |
3171 | const char *options; /* Options on URL */ | |
3172 | ||
3173 | ||
e1d6a774 | 3174 | /* |
3175 | * Get the options, if any... | |
3176 | */ | |
3177 | ||
3178 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3179 | { |
3180 | options ++; | |
3181 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3182 | } | |
b86bc4cf | 3183 | |
e1d6a774 | 3184 | /* |
3185 | * Check for known types... | |
3186 | */ | |
3187 | ||
88f9aafc | 3188 | if (!type || _cups_strcasecmp(type->super, "application")) |
e1d6a774 | 3189 | { |
996acce8 MS |
3190 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3191 | "is_cgi filename=\"%s\", filestats=%p, " | |
3192 | "type=%s/%s, returning 0", filename, | |
3193 | filestats, type ? type->super : "unknown", | |
3194 | type ? type->type : "unknown"); | |
e1d6a774 | 3195 | return (0); |
3196 | } | |
3197 | ||
88f9aafc | 3198 | if (!_cups_strcasecmp(type->type, "x-httpd-cgi") && |
e1d6a774 | 3199 | (filestats->st_mode & 0111)) |
3200 | { | |
3201 | /* | |
3202 | * "application/x-httpd-cgi" is a CGI script. | |
3203 | */ | |
3204 | ||
3205 | cupsdSetString(&con->command, filename); | |
3206 | ||
a0f6818e MS |
3207 | if (options) |
3208 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3209 | |
996acce8 MS |
3210 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3211 | "is_cgi filename=\"%s\", filestats=%p, " | |
3212 | "type=%s/%s, returning 1", filename, | |
3213 | filestats, type->super, type->type); | |
e1d6a774 | 3214 | return (1); |
3215 | } | |
3216 | #ifdef HAVE_JAVA | |
88f9aafc | 3217 | else if (!_cups_strcasecmp(type->type, "x-httpd-java")) |
e1d6a774 | 3218 | { |
3219 | /* | |
3220 | * "application/x-httpd-java" is a Java servlet. | |
3221 | */ | |
3222 | ||
3223 | cupsdSetString(&con->command, CUPS_JAVA); | |
3224 | ||
3225 | if (options) | |
b94498cf | 3226 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3227 | else |
b94498cf | 3228 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3229 | |
996acce8 MS |
3230 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3231 | "is_cgi filename=\"%s\", filestats=%p, " | |
3232 | "type=%s/%s, returning 1", filename, | |
3233 | filestats, type->super, type->type); | |
e1d6a774 | 3234 | return (1); |
3235 | } | |
3236 | #endif /* HAVE_JAVA */ | |
3237 | #ifdef HAVE_PERL | |
88f9aafc | 3238 | else if (!_cups_strcasecmp(type->type, "x-httpd-perl")) |
e1d6a774 | 3239 | { |
3240 | /* | |
3241 | * "application/x-httpd-perl" is a Perl page. | |
3242 | */ | |
3243 | ||
3244 | cupsdSetString(&con->command, CUPS_PERL); | |
3245 | ||
3246 | if (options) | |
b94498cf | 3247 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3248 | else |
b94498cf | 3249 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3250 | |
996acce8 MS |
3251 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3252 | "is_cgi filename=\"%s\", filestats=%p, " | |
3253 | "type=%s/%s, returning 1", filename, | |
3254 | filestats, type->super, type->type); | |
e1d6a774 | 3255 | return (1); |
3256 | } | |
3257 | #endif /* HAVE_PERL */ | |
3258 | #ifdef HAVE_PHP | |
88f9aafc | 3259 | else if (!_cups_strcasecmp(type->type, "x-httpd-php")) |
e1d6a774 | 3260 | { |
3261 | /* | |
3262 | * "application/x-httpd-php" is a PHP page. | |
3263 | */ | |
3264 | ||
3265 | cupsdSetString(&con->command, CUPS_PHP); | |
3266 | ||
3267 | if (options) | |
b94498cf | 3268 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3269 | else |
b94498cf | 3270 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3271 | |
996acce8 MS |
3272 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3273 | "is_cgi filename=\"%s\", filestats=%p, " | |
3274 | "type=%s/%s, returning 1", filename, | |
3275 | filestats, type->super, type->type); | |
e1d6a774 | 3276 | return (1); |
3277 | } | |
3278 | #endif /* HAVE_PHP */ | |
3279 | #ifdef HAVE_PYTHON | |
88f9aafc | 3280 | else if (!_cups_strcasecmp(type->type, "x-httpd-python")) |
e1d6a774 | 3281 | { |
3282 | /* | |
3283 | * "application/x-httpd-python" is a Python page. | |
3284 | */ | |
3285 | ||
3286 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3287 | ||
3288 | if (options) | |
b94498cf | 3289 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3290 | else |
b94498cf | 3291 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3292 | |
996acce8 MS |
3293 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3294 | "is_cgi filename=\"%s\", filestats=%p, " | |
3295 | "type=%s/%s, returning 1", filename, | |
3296 | filestats, type->super, type->type); | |
e1d6a774 | 3297 | return (1); |
3298 | } | |
3299 | #endif /* HAVE_PYTHON */ | |
3300 | ||
996acce8 MS |
3301 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3302 | "is_cgi filename=\"%s\", filestats=%p, " | |
3303 | "type=%s/%s, returning 0", filename, | |
3304 | filestats, type->super, type->type); | |
e1d6a774 | 3305 | return (0); |
3306 | } | |
3307 | ||
3308 | ||
ef416fc2 | 3309 | /* |
3310 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3311 | */ | |
3312 | ||
3313 | static int /* O - 0 if relative, 1 if absolute */ | |
3314 | is_path_absolute(const char *path) /* I - Input path */ | |
3315 | { | |
3316 | /* | |
3317 | * Check for a leading slash... | |
3318 | */ | |
3319 | ||
3320 | if (path[0] != '/') | |
3321 | return (0); | |
3322 | ||
3323 | /* | |
3324 | * Check for "/.." in the path... | |
3325 | */ | |
3326 | ||
3327 | while ((path = strstr(path, "/..")) != NULL) | |
3328 | { | |
3329 | if (!path[3] || path[3] == '/') | |
3330 | return (0); | |
3331 | ||
3332 | path ++; | |
3333 | } | |
3334 | ||
3335 | /* | |
3336 | * If we haven't found any relative paths, return 1 indicating an | |
3337 | * absolute path... | |
3338 | */ | |
3339 | ||
3340 | return (1); | |
3341 | } | |
3342 | ||
3343 | ||
3344 | /* | |
3345 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
3346 | */ | |
3347 | ||
3348 | static int /* O - Process ID */ | |
3349 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
3350 | int infile, /* I - Standard input for command */ | |
3351 | int *outfile, /* O - Standard output for command */ | |
3352 | char *command, /* I - Command to run */ | |
3353 | char *options, /* I - Options for command */ | |
3354 | int root) /* I - Run as root? */ | |
3355 | { | |
3356 | int i; /* Looping var */ | |
3357 | int pid; /* Process ID */ | |
b423cd4c | 3358 | char *commptr, /* Command string pointer */ |
3359 | commch; /* Command string character */ | |
ef416fc2 | 3360 | char *uriptr; /* URI string pointer */ |
3361 | int fds[2]; /* Pipe FDs */ | |
3362 | int argc; /* Number of arguments */ | |
3363 | int envc; /* Number of environment variables */ | |
3364 | char argbuf[10240], /* Argument buffer */ | |
3365 | *argv[100], /* Argument strings */ | |
b94498cf | 3366 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 3367 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 3368 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 3369 | content_type[1024], /* CONTENT_TYPE environment variable */ |
3370 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 3371 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 3372 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
3373 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 3374 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 3375 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3376 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3377 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 3378 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 3379 | script_name[1024], /* SCRIPT_NAME environment variable */ |
3380 | server_name[1024], /* SERVER_NAME environment variable */ | |
3381 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 3382 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
ef416fc2 | 3383 | |
3384 | ||
3385 | /* | |
3386 | * Parse a copy of the options string, which is of the form: | |
3387 | * | |
b423cd4c | 3388 | * argument+argument+argument |
3389 | * ?argument+argument+argument | |
3390 | * param=value¶m=value | |
3391 | * ?param=value¶m=value | |
3392 | * /name?argument+argument+argument | |
3393 | * /name?param=value¶m=value | |
ef416fc2 | 3394 | * |
3395 | * If the string contains an "=" character after the initial name, | |
3396 | * then we treat it as a HTTP GET form request and make a copy of | |
3397 | * the remaining string for the environment variable. | |
3398 | * | |
3399 | * The string is always parsed out as command-line arguments, to | |
3400 | * be consistent with Apache... | |
3401 | */ | |
3402 | ||
996acce8 MS |
3403 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3404 | "pipe_command infile=%d, outfile=%p, " | |
3405 | "command=\"%s\", options=\"%s\", root=%d", | |
3406 | infile, outfile, command, | |
3407 | options ? options : "(null)", root); | |
ef416fc2 | 3408 | |
b86bc4cf | 3409 | argv[0] = command; |
ef416fc2 | 3410 | |
b423cd4c | 3411 | if (options) |
c7017ecc MS |
3412 | { |
3413 | commptr = options; | |
3414 | if (*commptr == ' ') | |
3415 | commptr ++; | |
3416 | strlcpy(argbuf, commptr, sizeof(argbuf)); | |
3417 | } | |
b423cd4c | 3418 | else |
3419 | argbuf[0] = '\0'; | |
3420 | ||
3421 | if (argbuf[0] == '/') | |
ef416fc2 | 3422 | { |
3423 | /* | |
b423cd4c | 3424 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 3425 | */ |
3426 | ||
b423cd4c | 3427 | if ((commptr = strchr(argbuf, '?')) == NULL) |
3428 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 3429 | |
b423cd4c | 3430 | commch = *commptr; |
3431 | *commptr = '\0'; | |
3432 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
3433 | *commptr = commch; | |
3434 | } | |
3435 | else | |
3436 | { | |
3437 | commptr = argbuf; | |
3438 | path_info[0] = '\0'; | |
b94498cf | 3439 | |
3440 | if (*commptr == ' ') | |
3441 | commptr ++; | |
b423cd4c | 3442 | } |
ef416fc2 | 3443 | |
cb7f98ee | 3444 | if (*commptr == '?' && con->operation == HTTP_STATE_GET && !con->query_string) |
b423cd4c | 3445 | { |
3446 | commptr ++; | |
b86bc4cf | 3447 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 3448 | } |
ef416fc2 | 3449 | |
b423cd4c | 3450 | argc = 1; |
ef416fc2 | 3451 | |
b423cd4c | 3452 | if (*commptr) |
3453 | { | |
3454 | argv[argc ++] = commptr; | |
ef416fc2 | 3455 | |
b423cd4c | 3456 | for (; *commptr && argc < 99; commptr ++) |
3457 | { | |
ef416fc2 | 3458 | /* |
b423cd4c | 3459 | * Break arguments whenever we see a + or space... |
ef416fc2 | 3460 | */ |
3461 | ||
b423cd4c | 3462 | if (*commptr == ' ' || *commptr == '+') |
3463 | { | |
3464 | while (*commptr == ' ' || *commptr == '+') | |
3465 | *commptr++ = '\0'; | |
ef416fc2 | 3466 | |
b423cd4c | 3467 | /* |
3468 | * If we don't have a blank string, save it as another argument... | |
3469 | */ | |
ef416fc2 | 3470 | |
b423cd4c | 3471 | if (*commptr) |
3472 | { | |
3473 | argv[argc] = commptr; | |
3474 | argc ++; | |
3475 | } | |
3476 | else | |
3477 | break; | |
3478 | } | |
3479 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
3480 | isxdigit(commptr[2] & 255)) | |
3481 | { | |
3482 | /* | |
3483 | * Convert the %xx notation to the individual character. | |
3484 | */ | |
ef416fc2 | 3485 | |
b423cd4c | 3486 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3487 | *commptr = (commptr[1] - '0') << 4; | |
3488 | else | |
3489 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 3490 | |
b423cd4c | 3491 | if (commptr[2] >= '0' && commptr[2] <= '9') |
3492 | *commptr |= commptr[2] - '0'; | |
3493 | else | |
3494 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 3495 | |
b423cd4c | 3496 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 3497 | |
b423cd4c | 3498 | /* |
3499 | * Check for a %00 and break if that is the case... | |
3500 | */ | |
ef416fc2 | 3501 | |
b423cd4c | 3502 | if (!*commptr) |
3503 | break; | |
3504 | } | |
ef416fc2 | 3505 | } |
3506 | } | |
3507 | ||
3508 | argv[argc] = NULL; | |
3509 | ||
ef416fc2 | 3510 | /* |
3511 | * Setup the environment variables as needed... | |
3512 | */ | |
3513 | ||
b94498cf | 3514 | if (con->username[0]) |
3515 | { | |
c7017ecc | 3516 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
996acce8 | 3517 | httpGetField(con->http, HTTP_FIELD_AUTHORIZATION)); |
b94498cf | 3518 | |
3519 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
3520 | *uriptr = '\0'; | |
3521 | } | |
3522 | else | |
3523 | auth_type[0] = '\0'; | |
3524 | ||
7dfedb92 MS |
3525 | if (con->request && |
3526 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
3527 | IPP_TAG_LANGUAGE)) != NULL) | |
3528 | { | |
3529 | switch (strlen(attr->values[0].string.text)) | |
3530 | { | |
3531 | default : | |
3532 | /* | |
3533 | * This is an unknown or badly formatted language code; use | |
3534 | * the POSIX locale... | |
3535 | */ | |
3536 | ||
5a9febac | 3537 | strlcpy(lang, "LANG=C", sizeof(lang)); |
7dfedb92 MS |
3538 | break; |
3539 | ||
3540 | case 2 : | |
3541 | /* | |
3542 | * Just the language code (ll)... | |
3543 | */ | |
3544 | ||
3545 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
3546 | attr->values[0].string.text); | |
3547 | break; | |
3548 | ||
3549 | case 5 : | |
3550 | /* | |
3551 | * Language and country code (ll-cc)... | |
3552 | */ | |
3553 | ||
3554 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
3555 | attr->values[0].string.text[0], | |
3556 | attr->values[0].string.text[1], | |
3557 | toupper(attr->values[0].string.text[3] & 255), | |
3558 | toupper(attr->values[0].string.text[4] & 255)); | |
3559 | break; | |
3560 | } | |
3561 | } | |
3562 | else if (con->language) | |
3563 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 3564 | else |
5a9febac | 3565 | strlcpy(lang, "LANG=C", sizeof(lang)); |
ef416fc2 | 3566 | |
5a9febac | 3567 | strlcpy(remote_addr, "REMOTE_ADDR=", sizeof(remote_addr)); |
5ec1fd3d | 3568 | httpAddrString(httpGetAddress(con->http), remote_addr + 12, |
ef416fc2 | 3569 | sizeof(remote_addr) - 12); |
3570 | ||
3571 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
5ec1fd3d | 3572 | httpGetHostname(con->http, NULL, 0)); |
ef416fc2 | 3573 | |
3574 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3575 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3576 | *uriptr = '\0'; | |
3577 | ||
b94498cf | 3578 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
3579 | DocumentRoot, script_name + 12); | |
3580 | ||
ef416fc2 | 3581 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
3582 | ||
5ec1fd3d | 3583 | if (httpGetField(con->http, HTTP_FIELD_HOST)[0]) |
0268488e MS |
3584 | { |
3585 | char *nameptr; /* Pointer to ":port" */ | |
3586 | ||
3587 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
5ec1fd3d | 3588 | httpGetField(con->http, HTTP_FIELD_HOST)); |
0268488e MS |
3589 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) |
3590 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
3591 | } | |
3592 | else | |
3593 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3594 | con->servername); | |
ef416fc2 | 3595 | |
3596 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3597 | ||
b94498cf | 3598 | if (auth_type[0]) |
3599 | envp[envc ++] = auth_type; | |
3600 | ||
ef416fc2 | 3601 | envp[envc ++] = lang; |
3602 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 3603 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 3604 | envp[envc ++] = server_name; |
3605 | envp[envc ++] = server_port; | |
3606 | envp[envc ++] = remote_addr; | |
3607 | envp[envc ++] = remote_host; | |
3608 | envp[envc ++] = script_name; | |
b94498cf | 3609 | envp[envc ++] = script_filename; |
ef416fc2 | 3610 | |
b423cd4c | 3611 | if (path_info[0]) |
3612 | envp[envc ++] = path_info; | |
3613 | ||
ef416fc2 | 3614 | if (con->username[0]) |
3615 | { | |
3616 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
3617 | ||
3618 | envp[envc ++] = remote_user; | |
3619 | } | |
3620 | ||
d21dc0ed | 3621 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1) |
ef416fc2 | 3622 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; |
d21dc0ed | 3623 | else if (httpGetVersion(con->http) == HTTP_VERSION_1_0) |
ef416fc2 | 3624 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; |
3625 | else | |
3626 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3627 | ||
d21dc0ed | 3628 | if (httpGetCookie(con->http)) |
ef416fc2 | 3629 | { |
3630 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
d21dc0ed | 3631 | httpGetCookie(con->http)); |
ef416fc2 | 3632 | envp[envc ++] = http_cookie; |
3633 | } | |
3634 | ||
5ec1fd3d | 3635 | if (httpGetField(con->http, HTTP_FIELD_USER_AGENT)[0]) |
ef416fc2 | 3636 | { |
3637 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
5ec1fd3d | 3638 | httpGetField(con->http, HTTP_FIELD_USER_AGENT)); |
ef416fc2 | 3639 | envp[envc ++] = http_user_agent; |
3640 | } | |
3641 | ||
5ec1fd3d | 3642 | if (httpGetField(con->http, HTTP_FIELD_REFERER)[0]) |
f7deaa1a | 3643 | { |
3644 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5ec1fd3d | 3645 | httpGetField(con->http, HTTP_FIELD_REFERER)); |
f7deaa1a | 3646 | envp[envc ++] = http_referer; |
3647 | } | |
3648 | ||
cb7f98ee | 3649 | if (con->operation == HTTP_STATE_GET) |
ef416fc2 | 3650 | { |
ef416fc2 | 3651 | envp[envc ++] = "REQUEST_METHOD=GET"; |
3652 | ||
b86bc4cf | 3653 | if (con->query_string) |
ef416fc2 | 3654 | { |
3655 | /* | |
3656 | * Add GET form variables after ?... | |
3657 | */ | |
3658 | ||
b86bc4cf | 3659 | envp[envc ++] = con->query_string; |
ef416fc2 | 3660 | } |
3dfe78b3 MS |
3661 | else |
3662 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 3663 | } |
3664 | else | |
3665 | { | |
e1d6a774 | 3666 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
3667 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 3668 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5ec1fd3d | 3669 | httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE)); |
ef416fc2 | 3670 | |
3671 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
3672 | envp[envc ++] = content_length; | |
3673 | envp[envc ++] = content_type; | |
3674 | } | |
3675 | ||
3676 | /* | |
3677 | * Tell the CGI if we are using encryption... | |
3678 | */ | |
3679 | ||
d21dc0ed | 3680 | if (httpIsEncrypted(con->http)) |
ef416fc2 | 3681 | envp[envc ++] = "HTTPS=ON"; |
3682 | ||
3683 | /* | |
3684 | * Terminate the environment array... | |
3685 | */ | |
3686 | ||
3687 | envp[envc] = NULL; | |
3688 | ||
38e73f87 | 3689 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 3690 | { |
3691 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
3692 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3693 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 3694 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
3695 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3696 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 3697 | } |
3698 | ||
3699 | /* | |
3700 | * Create a pipe for the output... | |
3701 | */ | |
3702 | ||
3703 | if (cupsdOpenPipe(fds)) | |
3704 | { | |
38e73f87 | 3705 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 3706 | argv[0], strerror(errno)); |
3707 | return (0); | |
3708 | } | |
3709 | ||
3710 | /* | |
3711 | * Then execute the command... | |
3712 | */ | |
3713 | ||
3714 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 3715 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 3716 | { |
3717 | /* | |
3718 | * Error - can't fork! | |
3719 | */ | |
3720 | ||
38e73f87 | 3721 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 3722 | strerror(errno)); |
3723 | ||
3724 | cupsdClosePipe(fds); | |
3725 | pid = 0; | |
3726 | } | |
3727 | else | |
3728 | { | |
3729 | /* | |
3730 | * Fork successful - return the PID... | |
3731 | */ | |
3732 | ||
3733 | if (con->username[0]) | |
0fa6c7fa | 3734 | cupsdAddCert(pid, con->username, con->type); |
ef416fc2 | 3735 | |
38e73f87 | 3736 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 3737 | |
3738 | *outfile = fds[0]; | |
3739 | close(fds[1]); | |
3740 | } | |
3741 | ||
ef416fc2 | 3742 | return (pid); |
3743 | } | |
3744 | ||
3745 | ||
e07d4801 MS |
3746 | /* |
3747 | * 'valid_host()' - Is the Host: field valid? | |
3748 | */ | |
3749 | ||
3750 | static int /* O - 1 if valid, 0 if not */ | |
3751 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
3752 | { | |
3753 | cupsd_alias_t *a; /* Current alias */ | |
3754 | cupsd_netif_t *netif; /* Current network interface */ | |
f2534050 MS |
3755 | const char *end; /* End character */ |
3756 | char *ptr; /* Pointer into host value */ | |
e07d4801 MS |
3757 | |
3758 | ||
f2534050 MS |
3759 | /* |
3760 | * Copy the Host: header for later use... | |
3761 | */ | |
3762 | ||
5ec1fd3d | 3763 | strlcpy(con->clientname, httpGetField(con->http, HTTP_FIELD_HOST), |
f2534050 MS |
3764 | sizeof(con->clientname)); |
3765 | if ((ptr = strrchr(con->clientname, ':')) != NULL && !strchr(ptr, ']')) | |
3766 | { | |
3767 | *ptr++ = '\0'; | |
3768 | con->clientport = atoi(ptr); | |
3769 | } | |
3770 | else | |
3771 | con->clientport = con->serverport; | |
3772 | ||
3773 | /* | |
3774 | * Then validate... | |
3775 | */ | |
e07d4801 | 3776 | |
5ec1fd3d | 3777 | if (httpAddrLocalhost(httpGetAddress(con->http))) |
e07d4801 MS |
3778 | { |
3779 | /* | |
3780 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
3781 | * addresses when accessing CUPS via the loopback interface... | |
3782 | */ | |
3783 | ||
f2534050 MS |
3784 | return (!_cups_strcasecmp(con->clientname, "localhost") || |
3785 | !_cups_strcasecmp(con->clientname, "localhost.") || | |
e07d4801 | 3786 | #ifdef __linux |
f2534050 | 3787 | !_cups_strcasecmp(con->clientname, "localhost.localdomain") || |
e07d4801 | 3788 | #endif /* __linux */ |
f2534050 MS |
3789 | !strcmp(con->clientname, "127.0.0.1") || |
3790 | !strcmp(con->clientname, "[::1]")); | |
e07d4801 MS |
3791 | } |
3792 | ||
37e7e6e0 | 3793 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3794 | /* |
3795 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
3796 | */ | |
3797 | ||
f2534050 MS |
3798 | if ((end = strrchr(con->clientname, '.')) != NULL && end > con->clientname && |
3799 | !end[1]) | |
a29fd7dd MS |
3800 | { |
3801 | /* | |
3802 | * "." on end, work back to second-to-last "."... | |
3803 | */ | |
f2534050 MS |
3804 | |
3805 | for (end --; end > con->clientname && *end != '.'; end --); | |
a29fd7dd MS |
3806 | } |
3807 | ||
3808 | if (end && (!_cups_strcasecmp(end, ".local") || | |
f2534050 | 3809 | !_cups_strcasecmp(end, ".local."))) |
e07d4801 | 3810 | return (1); |
37e7e6e0 | 3811 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3812 | |
3813 | /* | |
3814 | * Check if the hostname is an IP address... | |
3815 | */ | |
3816 | ||
f2534050 | 3817 | if (isdigit(con->clientname[0] & 255) || con->clientname[0] == '[') |
e07d4801 MS |
3818 | { |
3819 | /* | |
3820 | * Possible IPv4/IPv6 address... | |
3821 | */ | |
3822 | ||
e07d4801 MS |
3823 | http_addrlist_t *addrlist; /* List of addresses */ |
3824 | ||
3825 | ||
f2534050 | 3826 | if ((addrlist = httpAddrGetList(con->clientname, AF_UNSPEC, NULL)) != NULL) |
e07d4801 MS |
3827 | { |
3828 | /* | |
3829 | * Good IPv4/IPv6 address... | |
3830 | */ | |
3831 | ||
3832 | httpAddrFreeList(addrlist); | |
3833 | return (1); | |
3834 | } | |
3835 | } | |
3836 | ||
3837 | /* | |
3838 | * Check for (alias) name matches... | |
3839 | */ | |
3840 | ||
3841 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
3842 | a; | |
3843 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
3844 | { | |
3845 | /* | |
3846 | * "ServerAlias *" allows all host values through... | |
3847 | */ | |
3848 | ||
3849 | if (!strcmp(a->name, "*")) | |
3850 | return (1); | |
3851 | ||
f2534050 | 3852 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3853 | { |
3854 | /* | |
f2534050 | 3855 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3856 | */ |
3857 | ||
f2534050 | 3858 | end = con->clientname + a->namelen; |
e07d4801 | 3859 | |
f2534050 | 3860 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3861 | return (1); |
3862 | } | |
3863 | } | |
3864 | ||
37e7e6e0 | 3865 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3866 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); |
3867 | a; | |
3868 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
3869 | { | |
3870 | /* | |
3871 | * "ServerAlias *" allows all host values through... | |
3872 | */ | |
3873 | ||
3874 | if (!strcmp(a->name, "*")) | |
3875 | return (1); | |
3876 | ||
f2534050 | 3877 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3878 | { |
3879 | /* | |
f2534050 | 3880 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3881 | */ |
3882 | ||
f2534050 | 3883 | end = con->clientname + a->namelen; |
e07d4801 | 3884 | |
f2534050 | 3885 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3886 | return (1); |
3887 | } | |
3888 | } | |
37e7e6e0 | 3889 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3890 | |
3891 | /* | |
3892 | * Check for interface hostname matches... | |
3893 | */ | |
3894 | ||
3895 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
3896 | netif; | |
3897 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
3898 | { | |
f2534050 | 3899 | if (!_cups_strncasecmp(con->clientname, netif->hostname, netif->hostlen)) |
e07d4801 MS |
3900 | { |
3901 | /* | |
f2534050 | 3902 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3903 | */ |
3904 | ||
f2534050 | 3905 | end = con->clientname + netif->hostlen; |
e07d4801 | 3906 | |
f2534050 | 3907 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3908 | return (1); |
3909 | } | |
3910 | } | |
3911 | ||
3912 | return (0); | |
3913 | } | |
3914 | ||
3915 | ||
ef416fc2 | 3916 | /* |
a74454a7 | 3917 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 3918 | */ |
3919 | ||
3920 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 3921 | write_file(cupsd_client_t *con, /* I - Client connection */ |
3922 | http_status_t code, /* I - HTTP status */ | |
3923 | char *filename, /* I - Filename */ | |
3924 | char *type, /* I - File type */ | |
3925 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 3926 | { |
3927 | con->file = open(filename, O_RDONLY); | |
3928 | ||
996acce8 MS |
3929 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3930 | "write_file code=%d, filename=\"%s\" (%d), " | |
3931 | "type=\"%s\", filestats=%p", | |
3932 | code, filename, con->file, type ? type : "(null)", filestats); | |
e1d6a774 | 3933 | |
3934 | if (con->file < 0) | |
3935 | return (0); | |
3936 | ||
3937 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
3938 | ||
dfc45c1b MS |
3939 | con->pipe_pid = 0; |
3940 | con->sent_header = 1; | |
e1d6a774 | 3941 | |
a73ca01e MS |
3942 | httpClearFields(con->http); |
3943 | ||
e200616a | 3944 | httpSetLength(con->http, filestats->st_size); |
e1d6a774 | 3945 | |
e200616a MS |
3946 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
3947 | httpGetDateString(filestats->st_mtime)); | |
e1d6a774 | 3948 | |
e200616a | 3949 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
07725fee | 3950 | return (0); |
d09495fa | 3951 | |
43dcaf3b | 3952 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
e1d6a774 | 3953 | |
996acce8 | 3954 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending file."); |
1bc82dd9 | 3955 | |
e1d6a774 | 3956 | return (1); |
3957 | } | |
3958 | ||
3959 | ||
3960 | /* | |
f899b121 | 3961 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
3962 | */ | |
3963 | ||
3964 | static void | |
3965 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
3966 | { | |
996acce8 MS |
3967 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe CGI output on fd %d", |
3968 | con->file); | |
f899b121 | 3969 | |
3970 | con->file_ready = 1; | |
3971 | ||
3972 | cupsdRemoveSelect(con->file); | |
996acce8 | 3973 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
1bc82dd9 | 3974 | |
996acce8 | 3975 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent."); |
f899b121 | 3976 | } |
3977 | ||
3978 | ||
3979 | /* | |
f2d18633 | 3980 | * End of "$Id$". |
ef416fc2 | 3981 | */ |