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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); | |
f7deaa1a | 43 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 44 | char *filename, int len); |
c41769ff | 45 | static http_status_t install_cupsd_conf(cupsd_client_t *con); |
e1d6a774 | 46 | static int is_cgi(cupsd_client_t *con, const char *filename, |
47 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 48 | static int is_path_absolute(const char *path); |
49 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, | |
50 | char *command, char *options, int root); | |
e07d4801 | 51 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 52 | static int write_file(cupsd_client_t *con, http_status_t code, |
53 | char *filename, char *type, | |
54 | struct stat *filestats); | |
f899b121 | 55 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 56 | |
57 | ||
58 | /* | |
59 | * 'cupsdAcceptClient()' - Accept a new client. | |
60 | */ | |
61 | ||
62 | void | |
63 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
64 | { | |
48bd1142 | 65 | const char *hostname; /* Hostname of client */ |
996acce8 | 66 | char name[256]; /* Hostname of client */ |
ef416fc2 | 67 | int count; /* Count of connections on a host */ |
bd7854cb | 68 | cupsd_client_t *con, /* New client pointer */ |
69 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 70 | socklen_t addrlen; /* Length of address */ |
ef416fc2 | 71 | http_addr_t temp; /* Temporary address variable */ |
72 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
73 | #ifdef HAVE_TCPD_H |
74 | struct request_info wrap_req; /* TCP wrappers request information */ | |
75 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 76 | |
77 | ||
78 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 | 79 | "cupsdAcceptClient(lis=%p(%d)) Clients=%d", |
bd7854cb | 80 | lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 81 | |
82 | /* | |
83 | * Make sure we don't have a full set of clients already... | |
84 | */ | |
85 | ||
bd7854cb | 86 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 87 | return; |
88 | ||
89 | /* | |
90 | * Get a pointer to the next available client... | |
91 | */ | |
92 | ||
bd7854cb | 93 | if (!Clients) |
94 | Clients = cupsArrayNew(NULL, NULL); | |
95 | ||
96 | if (!Clients) | |
91c84a35 MS |
97 | { |
98 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
99 | "Unable to allocate memory for clients array!"); |
100 | cupsdPauseListening(); | |
101 | return; | |
102 | } | |
103 | ||
104 | if (!ActiveClients) | |
105 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
106 | ||
107 | if (!ActiveClients) | |
108 | { | |
109 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
110 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 111 | cupsdPauseListening(); |
bd7854cb | 112 | return; |
91c84a35 | 113 | } |
bd7854cb | 114 | |
91c84a35 MS |
115 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
116 | { | |
117 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
118 | cupsdPauseListening(); | |
119 | return; | |
120 | } | |
ef416fc2 | 121 | |
ef416fc2 | 122 | /* |
123 | * Accept the client and get the remote address... | |
124 | */ | |
125 | ||
996acce8 MS |
126 | con->number = ++ LastClientNumber; |
127 | con->file = -1; | |
ef416fc2 | 128 | |
996acce8 | 129 | if ((con->http = httpAcceptConnection(lis->fd, 0)) == NULL) |
ef416fc2 | 130 | { |
76cd9e37 MS |
131 | if (errno == ENFILE || errno == EMFILE) |
132 | cupsdPauseListening(); | |
133 | ||
ef416fc2 | 134 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
135 | strerror(errno)); | |
bd7854cb | 136 | free(con); |
76cd9e37 | 137 | |
ef416fc2 | 138 | return; |
139 | } | |
140 | ||
22c9029b | 141 | /* |
996acce8 | 142 | * Save the connected address and port number... |
22c9029b | 143 | */ |
ef416fc2 | 144 | |
996acce8 | 145 | con->clientaddr = lis->address; |
ef416fc2 | 146 | |
996acce8 MS |
147 | #if 0 /* ifdef AF_INET6 */ |
148 | /* FIXME: I don't believe this is recommended any longer, and we specifically | |
149 | * disable IPv4-over-IPv6 when we listen... | |
150 | */ | |
22c9029b MS |
151 | /* |
152 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
153 | * can more easily use... | |
154 | */ | |
ef416fc2 | 155 | |
22c9029b | 156 | if (lis->address.addr.sa_family == AF_INET6 && |
5ec1fd3d MS |
157 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[0] == 0 && |
158 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
159 | ntohl(httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
160 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2] = 0; | |
ef416fc2 | 161 | #endif /* AF_INET6 */ |
ef416fc2 | 162 | |
163 | /* | |
164 | * Check the number of clients on the same address... | |
165 | */ | |
166 | ||
bd7854cb | 167 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
168 | tempcon; | |
169 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 170 | if (httpAddrEqual(httpGetAddress(tempcon->http), httpGetAddress(con->http))) |
ef416fc2 | 171 | { |
172 | count ++; | |
173 | if (count >= MaxClientsPerHost) | |
174 | break; | |
175 | } | |
176 | ||
177 | if (count >= MaxClientsPerHost) | |
178 | { | |
179 | if ((time(NULL) - last_dos) >= 60) | |
180 | { | |
181 | last_dos = time(NULL); | |
182 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 183 | "Possible DoS attack - more than %d clients connecting " |
996acce8 | 184 | "from %s.", |
749b1e90 | 185 | MaxClientsPerHost, |
996acce8 | 186 | httpGetHostname(con->http, name, sizeof(name))); |
ef416fc2 | 187 | } |
188 | ||
996acce8 | 189 | httpClose(con->http); |
bd7854cb | 190 | free(con); |
ef416fc2 | 191 | return; |
192 | } | |
193 | ||
194 | /* | |
195 | * Get the hostname or format the IP address as needed... | |
196 | */ | |
197 | ||
48bd1142 MS |
198 | if (HostNameLookups) |
199 | hostname = httpResolveHostname(con->http, NULL, 0); | |
ef416fc2 | 200 | else |
48bd1142 | 201 | hostname = httpGetHostname(con->http, NULL, 0); |
ef416fc2 | 202 | |
203 | if (hostname == NULL && HostNameLookups == 2) | |
204 | { | |
205 | /* | |
206 | * Can't have an unresolved IP address with double-lookups enabled... | |
207 | */ | |
208 | ||
996acce8 | 209 | httpClose(con->http); |
ef416fc2 | 210 | |
996acce8 | 211 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 212 | "Name lookup failed - connection from %s closed!", |
5ec1fd3d | 213 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 214 | |
215 | free(con); | |
ef416fc2 | 216 | return; |
217 | } | |
218 | ||
219 | if (HostNameLookups == 2) | |
220 | { | |
221 | /* | |
222 | * Do double lookups as needed... | |
223 | */ | |
224 | ||
48bd1142 MS |
225 | http_addrlist_t *addrlist, /* List of addresses */ |
226 | *addr; /* Current address */ | |
227 | ||
228 | if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, NULL)) != NULL) | |
ef416fc2 | 229 | { |
230 | /* | |
231 | * See if the hostname maps to the same IP address... | |
232 | */ | |
233 | ||
234 | for (addr = addrlist; addr; addr = addr->next) | |
5ec1fd3d | 235 | if (httpAddrEqual(httpGetAddress(con->http), &(addr->addr))) |
ef416fc2 | 236 | break; |
237 | } | |
238 | else | |
239 | addr = NULL; | |
240 | ||
241 | httpAddrFreeList(addrlist); | |
242 | ||
243 | if (!addr) | |
244 | { | |
245 | /* | |
246 | * Can't have a hostname that doesn't resolve to the same IP address | |
247 | * with double-lookups enabled... | |
248 | */ | |
249 | ||
996acce8 | 250 | httpClose(con->http); |
ef416fc2 | 251 | |
996acce8 | 252 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 253 | "IP lookup failed - connection from %s closed!", |
5ec1fd3d | 254 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 255 | free(con); |
ef416fc2 | 256 | return; |
257 | } | |
258 | } | |
259 | ||
749b1e90 MS |
260 | #ifdef HAVE_TCPD_H |
261 | /* | |
262 | * See if the connection is denied by TCP wrappers... | |
263 | */ | |
264 | ||
996acce8 MS |
265 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, httpGetFd(con->http), |
266 | NULL); | |
749b1e90 MS |
267 | fromhost(&wrap_req); |
268 | ||
269 | if (!hosts_access(&wrap_req)) | |
270 | { | |
996acce8 | 271 | httpClose(con->http); |
749b1e90 | 272 | |
996acce8 | 273 | cupsdLogClient(con, CUPSD_LOG_WARN, |
749b1e90 | 274 | "Connection from %s refused by /etc/hosts.allow and " |
5ec1fd3d | 275 | "/etc/hosts.deny rules.", httpGetHostname(con->http, NULL, 0)); |
749b1e90 MS |
276 | free(con); |
277 | return; | |
278 | } | |
279 | #endif /* HAVE_TCPD_H */ | |
280 | ||
ef416fc2 | 281 | #ifdef AF_LOCAL |
5ec1fd3d | 282 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
cb7f98ee MS |
283 | { |
284 | # ifdef __APPLE__ | |
285 | socklen_t peersize; /* Size of peer credentials */ | |
286 | pid_t peerpid; /* Peer process ID */ | |
996acce8 | 287 | char peername[256]; /* Name of process */ |
cb7f98ee MS |
288 | |
289 | peersize = sizeof(peerpid); | |
996acce8 MS |
290 | if (!getsockopt(con->number, SOL_LOCAL, LOCAL_PEERPID, &peerpid, |
291 | &peersize)) | |
cb7f98ee | 292 | { |
996acce8 MS |
293 | if (!proc_name(peerpid, peername, sizeof(peername))) |
294 | cupsdLogClient(con, CUPSD_LOG_DEBUG, | |
295 | "Accepted from %s (Domain ???[%d])", | |
5ec1fd3d | 296 | httpGetHostname(con->http, NULL, 0), (int)peerpid); |
cb7f98ee | 297 | else |
996acce8 MS |
298 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
299 | "Accepted from %s (Domain %s[%d])", | |
5ec1fd3d | 300 | httpGetHostname(con->http, NULL, 0), name, (int)peerpid); |
cb7f98ee MS |
301 | } |
302 | else | |
303 | # endif /* __APPLE__ */ | |
304 | ||
996acce8 | 305 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s (Domain)", |
5ec1fd3d | 306 | httpGetHostname(con->http, NULL, 0)); |
cb7f98ee | 307 | } |
ef416fc2 | 308 | else |
309 | #endif /* AF_LOCAL */ | |
996acce8 | 310 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s:%d (IPv%d)", |
5ec1fd3d MS |
311 | httpGetHostname(con->http, NULL, 0), |
312 | httpAddrPort(httpGetAddress(con->http)), | |
313 | httpAddrFamily(httpGetAddress(con->http)) == AF_INET ? 4 : 6); | |
ef416fc2 | 314 | |
315 | /* | |
316 | * Get the local address the client connected to... | |
317 | */ | |
318 | ||
319 | addrlen = sizeof(temp); | |
996acce8 | 320 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&temp, &addrlen)) |
ef416fc2 | 321 | { |
996acce8 MS |
322 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get local address - %s", |
323 | strerror(errno)); | |
ef416fc2 | 324 | |
5a9febac | 325 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
ef416fc2 | 326 | con->serverport = LocalPort; |
327 | } | |
22c9029b | 328 | #ifdef AF_LOCAL |
5ec1fd3d | 329 | else if (httpAddrFamily(&temp) == AF_LOCAL) |
22c9029b | 330 | { |
5a9febac | 331 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
22c9029b MS |
332 | con->serverport = LocalPort; |
333 | } | |
334 | #endif /* AF_LOCAL */ | |
ef416fc2 | 335 | else |
336 | { | |
22c9029b MS |
337 | if (httpAddrLocalhost(&temp)) |
338 | strlcpy(con->servername, "localhost", sizeof(con->servername)); | |
6961465f | 339 | else if (HostNameLookups) |
22c9029b | 340 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
ef416fc2 | 341 | else |
22c9029b | 342 | httpAddrString(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e | 343 | |
a469f8a5 | 344 | con->serverport = httpAddrPort(&(lis->address)); |
ef416fc2 | 345 | } |
346 | ||
dcb445bc MS |
347 | /* |
348 | * Add the connection to the array of active clients... | |
349 | */ | |
350 | ||
bd7854cb | 351 | cupsArrayAdd(Clients, con); |
352 | ||
ef416fc2 | 353 | /* |
b9faaae1 | 354 | * Add the socket to the server select. |
ef416fc2 | 355 | */ |
356 | ||
996acce8 MS |
357 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, |
358 | con); | |
ef416fc2 | 359 | |
996acce8 | 360 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 361 | |
ef416fc2 | 362 | /* |
363 | * Temporarily suspend accept()'s until we lose a client... | |
364 | */ | |
365 | ||
bd7854cb | 366 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 367 | cupsdPauseListening(); |
368 | ||
369 | #ifdef HAVE_SSL | |
370 | /* | |
371 | * See if we are connecting on a secure port... | |
372 | */ | |
373 | ||
5ec1fd3d | 374 | if (lis->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 375 | { |
376 | /* | |
377 | * https connection; go secure... | |
378 | */ | |
379 | ||
82cc1f9a | 380 | if (!cupsdStartTLS(con)) |
411affcf | 381 | cupsdCloseClient(con); |
ef416fc2 | 382 | } |
383 | else | |
384 | con->auto_ssl = 1; | |
385 | #endif /* HAVE_SSL */ | |
386 | } | |
387 | ||
388 | ||
389 | /* | |
390 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
391 | */ | |
392 | ||
393 | void | |
394 | cupsdCloseAllClients(void) | |
395 | { | |
bd7854cb | 396 | cupsd_client_t *con; /* Current client */ |
397 | ||
398 | ||
b9faaae1 MS |
399 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", |
400 | cupsArrayCount(Clients)); | |
401 | ||
bd7854cb | 402 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
403 | con; | |
404 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
49d87452 MS |
405 | if (cupsdCloseClient(con)) |
406 | cupsdCloseClient(con); | |
ef416fc2 | 407 | } |
408 | ||
409 | ||
410 | /* | |
411 | * 'cupsdCloseClient()' - Close a remote client. | |
412 | */ | |
413 | ||
414 | int /* O - 1 if partial close, 0 if fully closed */ | |
415 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
416 | { | |
417 | int partial; /* Do partial close for SSL? */ | |
418 | #ifdef HAVE_LIBSSL | |
ef416fc2 | 419 | #elif defined(HAVE_GNUTLS) |
89d46774 | 420 | # elif defined(HAVE_CDSASSL) |
ef416fc2 | 421 | #endif /* HAVE_LIBSSL */ |
422 | ||
423 | ||
996acce8 | 424 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing connection."); |
ef416fc2 | 425 | |
426 | /* | |
427 | * Flush pending writes before closing... | |
428 | */ | |
429 | ||
996acce8 | 430 | httpFlushWrite(con->http); |
ef416fc2 | 431 | |
432 | partial = 0; | |
433 | ||
ef416fc2 | 434 | if (con->pipe_pid != 0) |
435 | { | |
436 | /* | |
437 | * Stop any CGI process... | |
438 | */ | |
439 | ||
ef416fc2 | 440 | cupsdEndProcess(con->pipe_pid, 1); |
441 | con->pipe_pid = 0; | |
442 | } | |
443 | ||
444 | if (con->file >= 0) | |
445 | { | |
f7deaa1a | 446 | cupsdRemoveSelect(con->file); |
ef416fc2 | 447 | |
ef416fc2 | 448 | close(con->file); |
449 | con->file = -1; | |
450 | } | |
451 | ||
452 | /* | |
453 | * Close the socket and clear the file from the input set for select()... | |
454 | */ | |
455 | ||
996acce8 | 456 | if (httpGetFd(con->http) >= 0) |
ef416fc2 | 457 | { |
3dfe78b3 MS |
458 | cupsArrayRemove(ActiveClients, con); |
459 | cupsdSetBusyState(); | |
460 | ||
5ec1fd3d MS |
461 | #ifdef HAVE_SSL |
462 | /* | |
463 | * Shutdown encryption as needed... | |
464 | */ | |
465 | ||
466 | if (httpIsEncrypted(con->http)) | |
467 | partial = 1; | |
468 | #endif /* HAVE_SSL */ | |
469 | ||
ef416fc2 | 470 | if (partial) |
471 | { | |
472 | /* | |
473 | * Only do a partial close so that the encrypted client gets everything. | |
474 | */ | |
475 | ||
5ec1fd3d | 476 | httpShutdown(con->http); |
996acce8 MS |
477 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
478 | NULL, con); | |
1bc82dd9 | 479 | |
996acce8 | 480 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for socket close."); |
ef416fc2 | 481 | } |
482 | else | |
483 | { | |
484 | /* | |
485 | * Shut the socket down fully... | |
486 | */ | |
487 | ||
996acce8 MS |
488 | cupsdRemoveSelect(httpGetFd(con->http)); |
489 | httpClose(con->http); | |
490 | con->http = NULL; | |
ef416fc2 | 491 | } |
492 | } | |
493 | ||
494 | if (!partial) | |
495 | { | |
496 | /* | |
497 | * Free memory... | |
498 | */ | |
499 | ||
5ec1fd3d MS |
500 | cupsdRemoveSelect(httpGetFd(con->http)); |
501 | ||
996acce8 | 502 | httpClose(con->http); |
ef416fc2 | 503 | |
504 | cupsdClearString(&con->filename); | |
505 | cupsdClearString(&con->command); | |
506 | cupsdClearString(&con->options); | |
b86bc4cf | 507 | cupsdClearString(&con->query_string); |
ef416fc2 | 508 | |
509 | if (con->request) | |
510 | { | |
511 | ippDelete(con->request); | |
512 | con->request = NULL; | |
513 | } | |
514 | ||
515 | if (con->response) | |
516 | { | |
517 | ippDelete(con->response); | |
518 | con->response = NULL; | |
519 | } | |
520 | ||
521 | if (con->language) | |
522 | { | |
523 | cupsLangFree(con->language); | |
524 | con->language = NULL; | |
525 | } | |
526 | ||
f7deaa1a | 527 | #ifdef HAVE_AUTHORIZATION_H |
528 | if (con->authref) | |
529 | { | |
530 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
531 | con->authref = NULL; | |
532 | } | |
533 | #endif /* HAVE_AUTHORIZATION_H */ | |
534 | ||
ef416fc2 | 535 | /* |
536 | * Re-enable new client connections if we are going back under the | |
537 | * limit... | |
538 | */ | |
539 | ||
bd7854cb | 540 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 541 | cupsdResumeListening(); |
542 | ||
543 | /* | |
544 | * Compact the list of clients as necessary... | |
545 | */ | |
546 | ||
bd7854cb | 547 | cupsArrayRemove(Clients, con); |
ef416fc2 | 548 | |
bd7854cb | 549 | free(con); |
ef416fc2 | 550 | } |
551 | ||
552 | return (partial); | |
553 | } | |
554 | ||
555 | ||
d21dc0ed | 556 | #if 0 |
d09495fa | 557 | /* |
558 | * 'cupsdFlushHeader()' - Flush the header fields to the client. | |
559 | */ | |
560 | ||
07725fee | 561 | int /* I - Bytes written or -1 on error */ |
d09495fa | 562 | cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */ |
563 | { | |
996acce8 | 564 | int bytes = httpFlushWrite(con->http); |
d09495fa | 565 | |
996acce8 MS |
566 | // TODO: Need to use httpSendResponse |
567 | con->http->data_encoding = HTTP_ENCODING_LENGTH; | |
07725fee | 568 | |
569 | return (bytes); | |
d09495fa | 570 | } |
d21dc0ed | 571 | #endif /* 0 */ |
d09495fa | 572 | |
573 | ||
ef416fc2 | 574 | /* |
575 | * 'cupsdReadClient()' - Read data from a client. | |
576 | */ | |
577 | ||
f7deaa1a | 578 | void |
ef416fc2 | 579 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
580 | { | |
581 | char line[32768], /* Line from client... */ | |
ef416fc2 | 582 | locale[64], /* Locale */ |
583 | *ptr; /* Pointer into strings */ | |
ef416fc2 | 584 | http_status_t status; /* Transfer status */ |
585 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
586 | int bytes; /* Number of bytes to POST */ | |
587 | char *filename; /* Name of file for GET/HEAD */ | |
588 | char buf[1024]; /* Buffer for real filename */ | |
589 | struct stat filestats; /* File information */ | |
590 | mime_type_t *type; /* MIME type of file */ | |
591 | cupsd_printer_t *p; /* Printer */ | |
592 | static unsigned request_id = 0; /* Request ID for temp files */ | |
593 | ||
594 | ||
5ec1fd3d | 595 | status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 596 | |
996acce8 MS |
597 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
598 | "cupsdReadClient " | |
599 | "error=%d, " | |
600 | "used=%d, " | |
601 | "state=%s, " | |
602 | "data_encoding=HTTP_ENCODING_%s, " | |
603 | "data_remaining=" CUPS_LLFMT ", " | |
604 | "request=%p(%s), " | |
605 | "file=%d", | |
5ec1fd3d MS |
606 | httpError(con->http), (int)httpGetReady(con->http), |
607 | httpStateString(httpGetState(con->http)), | |
608 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", | |
609 | CUPS_LLCAST httpGetRemaining(con->http), | |
996acce8 | 610 | con->request, |
a73ca01e | 611 | con->request ? ippStateString(ippGetState(con->request)) : "", |
996acce8 | 612 | con->file); |
ef416fc2 | 613 | |
ef416fc2 | 614 | #ifdef HAVE_SSL |
615 | if (con->auto_ssl) | |
616 | { | |
617 | /* | |
618 | * Automatically check for a SSL/TLS handshake... | |
619 | */ | |
620 | ||
621 | con->auto_ssl = 0; | |
622 | ||
996acce8 | 623 | if (recv(httpGetFd(con->http), buf, 1, MSG_PEEK) == 1 && |
ef416fc2 | 624 | (!buf[0] || !strchr("DGHOPT", buf[0]))) |
625 | { | |
626 | /* | |
627 | * Encrypt this connection... | |
628 | */ | |
629 | ||
996acce8 MS |
630 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
631 | "Saw first byte %02X, auto-negotiating " | |
632 | "SSL/TLS session.", buf[0] & 255); | |
ef416fc2 | 633 | |
82cc1f9a | 634 | if (!cupsdStartTLS(con)) |
f7deaa1a | 635 | cupsdCloseClient(con); |
411affcf | 636 | |
f7deaa1a | 637 | return; |
ef416fc2 | 638 | } |
639 | } | |
640 | #endif /* HAVE_SSL */ | |
641 | ||
5ec1fd3d | 642 | switch (httpGetState(con->http)) |
ef416fc2 | 643 | { |
cb7f98ee | 644 | case HTTP_STATE_WAITING : |
ef416fc2 | 645 | /* |
646 | * See if we've received a request line... | |
647 | */ | |
648 | ||
d21dc0ed MS |
649 | con->operation = httpReadRequest(con->http, con->uri, sizeof(con->uri)); |
650 | if (con->operation == HTTP_STATE_ERROR || | |
651 | con->operation == HTTP_STATE_UNKNOWN_METHOD || | |
652 | con->operation == HTTP_STATE_UNKNOWN_VERSION) | |
ef416fc2 | 653 | { |
d21dc0ed | 654 | if (httpError(con->http)) |
996acce8 MS |
655 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
656 | "HTTP_STATE_WAITING Closing for error %d (%s)", | |
5ec1fd3d | 657 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 658 | else |
996acce8 | 659 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
d21dc0ed MS |
660 | "HTTP_STATE_WAITING Closing on error: %s", |
661 | cupsLastErrorString()); | |
f11a948a | 662 | |
f7deaa1a | 663 | cupsdCloseClient(con); |
664 | return; | |
ef416fc2 | 665 | } |
666 | ||
667 | /* | |
668 | * Ignore blank request lines... | |
669 | */ | |
670 | ||
d21dc0ed | 671 | if (con->operation == HTTP_STATE_WAITING) |
ef416fc2 | 672 | break; |
673 | ||
674 | /* | |
675 | * Clear other state variables... | |
676 | */ | |
677 | ||
d21dc0ed MS |
678 | con->bytes = 0; |
679 | con->file = -1; | |
680 | con->file_ready = 0; | |
681 | con->pipe_pid = 0; | |
682 | con->username[0] = '\0'; | |
683 | con->password[0] = '\0'; | |
ef416fc2 | 684 | |
685 | cupsdClearString(&con->command); | |
686 | cupsdClearString(&con->options); | |
b86bc4cf | 687 | cupsdClearString(&con->query_string); |
ef416fc2 | 688 | |
2abf387c | 689 | if (con->request) |
690 | { | |
691 | ippDelete(con->request); | |
692 | con->request = NULL; | |
693 | } | |
694 | ||
695 | if (con->response) | |
696 | { | |
697 | ippDelete(con->response); | |
698 | con->response = NULL; | |
699 | } | |
700 | ||
701 | if (con->language) | |
ef416fc2 | 702 | { |
703 | cupsLangFree(con->language); | |
704 | con->language = NULL; | |
705 | } | |
706 | ||
09a101d6 | 707 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 708 | con->have_gss = 0; |
07ed0e9a | 709 | con->gss_uid = 0; |
09a101d6 | 710 | #endif /* HAVE_GSSAPI */ |
711 | ||
ef416fc2 | 712 | /* |
713 | * Handle full URLs in the request line... | |
714 | */ | |
715 | ||
716 | if (strcmp(con->uri, "*")) | |
717 | { | |
e6013cfa | 718 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 719 | userpass[HTTP_MAX_URI], /* Username:password */ |
720 | hostname[HTTP_MAX_URI], /* Hostname */ | |
721 | resource[HTTP_MAX_URI]; /* Resource path */ | |
722 | int port; /* Port number */ | |
723 | ||
ef416fc2 | 724 | /* |
725 | * Separate the URI into its components... | |
726 | */ | |
727 | ||
d21dc0ed MS |
728 | if (httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
729 | scheme, sizeof(scheme), | |
730 | userpass, sizeof(userpass), | |
731 | hostname, sizeof(hostname), &port, | |
732 | resource, sizeof(resource)) < HTTP_URI_STATUS_OK) | |
733 | { | |
734 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", | |
735 | con->uri); | |
736 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); | |
737 | cupsdCloseClient(con); | |
738 | return; | |
739 | } | |
ef416fc2 | 740 | |
d21dc0ed | 741 | /* |
ef416fc2 | 742 | * Only allow URIs with the servername, localhost, or an IP |
743 | * address... | |
744 | */ | |
745 | ||
e6013cfa | 746 | if (strcmp(scheme, "file") && |
88f9aafc MS |
747 | _cups_strcasecmp(hostname, ServerName) && |
748 | _cups_strcasecmp(hostname, "localhost") && | |
d21dc0ed | 749 | !cupsArrayFind(ServerAlias, hostname) && |
e6013cfa | 750 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 751 | { |
752 | /* | |
753 | * Nope, we don't do proxies... | |
754 | */ | |
755 | ||
996acce8 MS |
756 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", |
757 | con->uri); | |
5ec1fd3d | 758 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 759 | cupsdCloseClient(con); |
760 | return; | |
ef416fc2 | 761 | } |
762 | ||
763 | /* | |
764 | * Copy the resource portion back into the URI; both resource and | |
765 | * con->uri are HTTP_MAX_URI bytes in size... | |
766 | */ | |
767 | ||
5a9febac | 768 | strlcpy(con->uri, resource, sizeof(con->uri)); |
ef416fc2 | 769 | } |
770 | ||
771 | /* | |
772 | * Process the request... | |
773 | */ | |
774 | ||
dfd5680b | 775 | gettimeofday(&(con->start), NULL); |
ef416fc2 | 776 | |
996acce8 | 777 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%s %s HTTP/%d.%d", |
a73ca01e | 778 | httpStateString(con->operation) + 11, con->uri, |
d21dc0ed MS |
779 | httpGetVersion(con->http) / 100, |
780 | httpGetVersion(con->http) % 100); | |
ef416fc2 | 781 | |
49d87452 MS |
782 | if (!cupsArrayFind(ActiveClients, con)) |
783 | { | |
784 | cupsArrayAdd(ActiveClients, con); | |
785 | cupsdSetBusyState(); | |
786 | } | |
3dfe78b3 | 787 | |
cb7f98ee MS |
788 | case HTTP_STATE_OPTIONS : |
789 | case HTTP_STATE_DELETE : | |
790 | case HTTP_STATE_GET : | |
791 | case HTTP_STATE_HEAD : | |
792 | case HTTP_STATE_POST : | |
793 | case HTTP_STATE_PUT : | |
794 | case HTTP_STATE_TRACE : | |
ef416fc2 | 795 | /* |
796 | * Parse incoming parameters until the status changes... | |
797 | */ | |
798 | ||
5ec1fd3d MS |
799 | while ((status = httpUpdate(con->http)) == HTTP_STATUS_CONTINUE) |
800 | if (!httpGetReady(con->http)) | |
f7deaa1a | 801 | break; |
ef416fc2 | 802 | |
5ec1fd3d | 803 | if (status != HTTP_STATUS_OK && status != HTTP_STATUS_CONTINUE) |
ef416fc2 | 804 | { |
5ec1fd3d | 805 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
806 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
807 | "Closing for error %d (%s) while reading headers.", | |
5ec1fd3d | 808 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 809 | else |
996acce8 MS |
810 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
811 | "Closing on EOF while reading headers."); | |
f11a948a | 812 | |
5ec1fd3d | 813 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 814 | cupsdCloseClient(con); |
815 | return; | |
ef416fc2 | 816 | } |
817 | break; | |
818 | ||
819 | default : | |
5ec1fd3d | 820 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
e6013cfa MS |
821 | { |
822 | /* | |
823 | * Connection closed... | |
824 | */ | |
825 | ||
996acce8 | 826 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); |
e6013cfa MS |
827 | cupsdCloseClient(con); |
828 | return; | |
829 | } | |
ef416fc2 | 830 | break; /* Anti-compiler-warning-code */ |
831 | } | |
832 | ||
833 | /* | |
834 | * Handle new transfers... | |
835 | */ | |
836 | ||
5ec1fd3d | 837 | if (status == HTTP_STATUS_OK) |
ef416fc2 | 838 | { |
5ec1fd3d | 839 | if (httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)[0]) |
ef416fc2 | 840 | { |
841 | /* | |
842 | * Figure out the locale from the Accept-Language and Content-Type | |
843 | * fields... | |
844 | */ | |
845 | ||
5ec1fd3d | 846 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 847 | ',')) != NULL) |
ef416fc2 | 848 | *ptr = '\0'; |
849 | ||
5ec1fd3d | 850 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 851 | ';')) != NULL) |
ef416fc2 | 852 | *ptr = '\0'; |
853 | ||
5ec1fd3d | 854 | if ((ptr = strstr(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
f11a948a | 855 | "charset=")) != NULL) |
ef416fc2 | 856 | { |
857 | /* | |
858 | * Combine language and charset, and trim any extra params in the | |
859 | * content-type. | |
860 | */ | |
861 | ||
862 | snprintf(locale, sizeof(locale), "%s.%s", | |
5ec1fd3d | 863 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), ptr + 8); |
ef416fc2 | 864 | |
865 | if ((ptr = strchr(locale, ',')) != NULL) | |
866 | *ptr = '\0'; | |
867 | } | |
868 | else | |
f8b3a85b | 869 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
5ec1fd3d | 870 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)); |
d6ae789d | 871 | |
ef416fc2 | 872 | con->language = cupsLangGet(locale); |
873 | } | |
874 | else | |
875 | con->language = cupsLangGet(DefaultLocale); | |
876 | ||
877 | cupsdAuthorize(con); | |
878 | ||
5ec1fd3d | 879 | if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
85dda01c | 880 | "Keep-Alive", 10) && KeepAlive) |
5ec1fd3d MS |
881 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); |
882 | else if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), | |
85dda01c | 883 | "close", 5)) |
5ec1fd3d | 884 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 885 | |
5ec1fd3d MS |
886 | if (!httpGetField(con->http, HTTP_FIELD_HOST)[0] && |
887 | httpGetVersion(con->http) >= HTTP_VERSION_1_1) | |
ef416fc2 | 888 | { |
889 | /* | |
890 | * HTTP/1.1 and higher require the "Host:" field... | |
891 | */ | |
892 | ||
5ec1fd3d | 893 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 894 | { |
996acce8 | 895 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Host: field in request."); |
f7deaa1a | 896 | cupsdCloseClient(con); |
897 | return; | |
898 | } | |
ef416fc2 | 899 | } |
e07d4801 | 900 | else if (!valid_host(con)) |
e6013cfa MS |
901 | { |
902 | /* | |
903 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
904 | * or IPv6 values in the Host: field. | |
905 | */ | |
906 | ||
996acce8 MS |
907 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
908 | "Request from \"%s\" using invalid Host: field \"%s\".", | |
5ec1fd3d | 909 | httpGetHostname(con->http, NULL, 0), httpGetField(con->http, HTTP_FIELD_HOST)); |
e6013cfa | 910 | |
5ec1fd3d | 911 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
e6013cfa MS |
912 | { |
913 | cupsdCloseClient(con); | |
914 | return; | |
915 | } | |
916 | } | |
cb7f98ee | 917 | else if (con->operation == HTTP_STATE_OPTIONS) |
ef416fc2 | 918 | { |
919 | /* | |
920 | * Do OPTIONS command... | |
921 | */ | |
922 | ||
5bd77a73 | 923 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 924 | { |
a73ca01e MS |
925 | httpClearFields(con->http); |
926 | ||
5ec1fd3d | 927 | if (!cupsdSendHeader(con, HTTP_STATUS_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 928 | { |
929 | cupsdCloseClient(con); | |
930 | return; | |
931 | } | |
ef416fc2 | 932 | } |
933 | ||
5ec1fd3d MS |
934 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), "Upgrade") && |
935 | !httpIsEncrypted(con->http)) | |
ef416fc2 | 936 | { |
937 | #ifdef HAVE_SSL | |
938 | /* | |
939 | * Do encryption stuff... | |
940 | */ | |
941 | ||
a73ca01e | 942 | httpClearFields(con->http); |
ef416fc2 | 943 | |
e200616a MS |
944 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
945 | { | |
946 | cupsdCloseClient(con); | |
947 | return; | |
948 | } | |
e200616a | 949 | |
82cc1f9a | 950 | if (!cupsdStartTLS(con)) |
f7deaa1a | 951 | { |
952 | cupsdCloseClient(con); | |
953 | return; | |
954 | } | |
ef416fc2 | 955 | #else |
5bd77a73 | 956 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 957 | { |
958 | cupsdCloseClient(con); | |
959 | return; | |
960 | } | |
ef416fc2 | 961 | #endif /* HAVE_SSL */ |
962 | } | |
963 | ||
a73ca01e | 964 | httpClearFields(con->http); |
e200616a MS |
965 | httpSetField(con->http, HTTP_FIELD_ALLOW, |
966 | "GET, HEAD, OPTIONS, POST, PUT"); | |
967 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
968 | ||
969 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) | |
970 | { | |
971 | cupsdCloseClient(con); | |
972 | return; | |
973 | } | |
ef416fc2 | 974 | } |
975 | else if (!is_path_absolute(con->uri)) | |
976 | { | |
977 | /* | |
978 | * Protect against malicious users! | |
979 | */ | |
980 | ||
996acce8 MS |
981 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
982 | "Request for non-absolute resource \"%s\".", con->uri); | |
bf3816c7 | 983 | |
5ec1fd3d | 984 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 985 | { |
986 | cupsdCloseClient(con); | |
987 | return; | |
988 | } | |
ef416fc2 | 989 | } |
990 | else | |
991 | { | |
5ec1fd3d | 992 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
d21dc0ed | 993 | "Upgrade") && !httpIsEncrypted(con->http)) |
ef416fc2 | 994 | { |
995 | #ifdef HAVE_SSL | |
996 | /* | |
997 | * Do encryption stuff... | |
998 | */ | |
999 | ||
a73ca01e | 1000 | httpClearFields(con->http); |
ef416fc2 | 1001 | |
e200616a MS |
1002 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, |
1003 | CUPSD_AUTH_NONE)) | |
1004 | { | |
1005 | cupsdCloseClient(con); | |
1006 | return; | |
1007 | } | |
ef416fc2 | 1008 | |
82cc1f9a | 1009 | if (!cupsdStartTLS(con)) |
f7deaa1a | 1010 | { |
1011 | cupsdCloseClient(con); | |
1012 | return; | |
1013 | } | |
ef416fc2 | 1014 | #else |
5bd77a73 | 1015 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1016 | { |
1017 | cupsdCloseClient(con); | |
1018 | return; | |
1019 | } | |
ef416fc2 | 1020 | #endif /* HAVE_SSL */ |
1021 | } | |
1022 | ||
5ec1fd3d | 1023 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_STATUS_OK) |
ef416fc2 | 1024 | { |
5bd77a73 | 1025 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1026 | cupsdCloseClient(con); |
1027 | return; | |
ef416fc2 | 1028 | } |
1029 | ||
d21dc0ed | 1030 | if (httpGetExpect(con->http) && |
cb7f98ee | 1031 | (con->operation == HTTP_STATE_POST || con->operation == HTTP_STATE_PUT)) |
ef416fc2 | 1032 | { |
d21dc0ed | 1033 | if (httpGetExpect(con->http) == HTTP_STATUS_CONTINUE) |
b423cd4c | 1034 | { |
1035 | /* | |
1036 | * Send 100-continue header... | |
1037 | */ | |
1038 | ||
a73ca01e | 1039 | if (httpWriteResponse(con->http, HTTP_STATUS_CONTINUE)) |
f7deaa1a | 1040 | { |
1041 | cupsdCloseClient(con); | |
1042 | return; | |
1043 | } | |
b423cd4c | 1044 | } |
1045 | else | |
1046 | { | |
1047 | /* | |
1048 | * Send 417-expectation-failed header... | |
1049 | */ | |
1050 | ||
a73ca01e | 1051 | httpClearFields(con->http); |
e200616a MS |
1052 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); |
1053 | ||
a73ca01e MS |
1054 | cupsdSendError(con, HTTP_STATUS_EXPECTATION_FAILED, CUPSD_AUTH_NONE); |
1055 | cupsdCloseClient(con); | |
1056 | return; | |
b423cd4c | 1057 | } |
ef416fc2 | 1058 | } |
1059 | ||
5ec1fd3d | 1060 | switch (httpGetState(con->http)) |
ef416fc2 | 1061 | { |
cb7f98ee | 1062 | case HTTP_STATE_GET_SEND : |
db8b865d | 1063 | if ((!strncmp(con->uri, "/ppd/", 5) || |
6961465f MS |
1064 | !strncmp(con->uri, "/printers/", 10) || |
1065 | !strncmp(con->uri, "/classes/", 9)) && | |
ef416fc2 | 1066 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) |
1067 | { | |
1068 | /* | |
1069 | * Send PPD file - get the real printer name since printer | |
1070 | * names are not case sensitive but filenames can be... | |
1071 | */ | |
1072 | ||
1073 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1074 | ||
db8b865d MS |
1075 | if (!strncmp(con->uri, "/ppd/", 5)) |
1076 | p = cupsdFindPrinter(con->uri + 5); | |
6961465f | 1077 | else if (!strncmp(con->uri, "/printers/", 10)) |
db8b865d | 1078 | p = cupsdFindPrinter(con->uri + 10); |
6961465f MS |
1079 | else |
1080 | { | |
1081 | p = cupsdFindClass(con->uri + 9); | |
1082 | ||
1083 | if (p) | |
1084 | { | |
1085 | int i; /* Looping var */ | |
1086 | ||
1087 | for (i = 0; i < p->num_printers; i ++) | |
1088 | { | |
1089 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1090 | { | |
1091 | char ppdname[1024];/* PPD filename */ | |
1092 | ||
1093 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1094 | ServerRoot, p->printers[i]->name); | |
1095 | if (!access(ppdname, 0)) | |
1096 | { | |
1097 | p = p->printers[i]; | |
1098 | break; | |
1099 | } | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | if (i >= p->num_printers) | |
1104 | p = NULL; | |
1105 | } | |
1106 | } | |
db8b865d MS |
1107 | |
1108 | if (p) | |
1109 | { | |
ef416fc2 | 1110 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); |
db8b865d | 1111 | } |
ef416fc2 | 1112 | else |
1113 | { | |
5ec1fd3d | 1114 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1115 | { |
1116 | cupsdCloseClient(con); | |
1117 | return; | |
1118 | } | |
ef416fc2 | 1119 | |
1120 | break; | |
1121 | } | |
1122 | } | |
db8b865d MS |
1123 | else if ((!strncmp(con->uri, "/icons/", 7) || |
1124 | !strncmp(con->uri, "/printers/", 10) || | |
7cf5915e MS |
1125 | !strncmp(con->uri, "/classes/", 9)) && |
1126 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1127 | { | |
1128 | /* | |
1129 | * Send icon file - get the real queue name since queue names are | |
1130 | * not case sensitive but filenames can be... | |
1131 | */ | |
1132 | ||
1133 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1134 | ||
db8b865d MS |
1135 | if (!strncmp(con->uri, "/icons/", 7)) |
1136 | p = cupsdFindPrinter(con->uri + 7); | |
1137 | else if (!strncmp(con->uri, "/printers/", 10)) | |
7cf5915e MS |
1138 | p = cupsdFindPrinter(con->uri + 10); |
1139 | else | |
6961465f MS |
1140 | { |
1141 | p = cupsdFindClass(con->uri + 9); | |
1142 | ||
1143 | if (p) | |
1144 | { | |
1145 | int i; /* Looping var */ | |
1146 | ||
1147 | for (i = 0; i < p->num_printers; i ++) | |
1148 | { | |
1149 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1150 | { | |
1151 | char ppdname[1024];/* PPD filename */ | |
1152 | ||
1153 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1154 | ServerRoot, p->printers[i]->name); | |
1155 | if (!access(ppdname, 0)) | |
1156 | { | |
1157 | p = p->printers[i]; | |
1158 | break; | |
1159 | } | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | if (i >= p->num_printers) | |
1164 | p = NULL; | |
1165 | } | |
1166 | } | |
7cf5915e MS |
1167 | |
1168 | if (p) | |
1169 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1170 | else | |
1171 | { | |
5ec1fd3d | 1172 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
7cf5915e MS |
1173 | { |
1174 | cupsdCloseClient(con); | |
1175 | return; | |
1176 | } | |
1177 | ||
1178 | break; | |
1179 | } | |
1180 | } | |
0268488e | 1181 | else if (!WebInterface) |
229681c1 MS |
1182 | { |
1183 | /* | |
1184 | * Web interface is disabled. Show an appropriate message... | |
1185 | */ | |
1186 | ||
5ec1fd3d | 1187 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1188 | { |
1189 | cupsdCloseClient(con); | |
1190 | return; | |
1191 | } | |
1192 | ||
1193 | break; | |
1194 | } | |
0268488e MS |
1195 | |
1196 | if ((!strncmp(con->uri, "/admin", 6) && | |
1197 | strncmp(con->uri, "/admin/conf/", 12) && | |
1198 | strncmp(con->uri, "/admin/log/", 11)) || | |
1199 | !strncmp(con->uri, "/printers", 9) || | |
1200 | !strncmp(con->uri, "/classes", 8) || | |
1201 | !strncmp(con->uri, "/help", 5) || | |
1202 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1203 | { |
1204 | /* | |
1205 | * Send CGI output... | |
1206 | */ | |
1207 | ||
1208 | if (!strncmp(con->uri, "/admin", 6)) | |
1209 | { | |
1210 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1211 | ServerBin); | |
1212 | ||
b423cd4c | 1213 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1214 | } |
1215 | else if (!strncmp(con->uri, "/printers", 9)) | |
1216 | { | |
1217 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1218 | ServerBin); | |
b423cd4c | 1219 | |
1220 | if (con->uri[9] && con->uri[10]) | |
1221 | cupsdSetString(&con->options, con->uri + 9); | |
1222 | else | |
1223 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1224 | } |
1225 | else if (!strncmp(con->uri, "/classes", 8)) | |
1226 | { | |
1227 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1228 | ServerBin); | |
b423cd4c | 1229 | |
1230 | if (con->uri[8] && con->uri[9]) | |
1231 | cupsdSetString(&con->options, con->uri + 8); | |
1232 | else | |
1233 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1234 | } |
1235 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1236 | { | |
1237 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1238 | ServerBin); | |
b423cd4c | 1239 | |
1240 | if (con->uri[5] && con->uri[6]) | |
1241 | cupsdSetString(&con->options, con->uri + 5); | |
1242 | else | |
1243 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1244 | } |
1245 | else | |
1246 | { | |
1247 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1248 | ServerBin); | |
ef416fc2 | 1249 | |
b423cd4c | 1250 | if (con->uri[5] && con->uri[6]) |
1251 | cupsdSetString(&con->options, con->uri + 5); | |
1252 | else | |
1253 | cupsdSetString(&con->options, NULL); | |
1254 | } | |
ef416fc2 | 1255 | |
1256 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1257 | { | |
5ec1fd3d | 1258 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1259 | { |
1260 | cupsdCloseClient(con); | |
1261 | return; | |
1262 | } | |
ef416fc2 | 1263 | } |
1264 | else | |
5ec1fd3d | 1265 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1266 | |
d21dc0ed | 1267 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1268 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1269 | } |
1270 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1271 | (strchr(con->uri + 12, '/') || | |
1272 | strlen(con->uri) == 12)) || | |
1273 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1274 | (strchr(con->uri + 11, '/') || | |
1275 | strlen(con->uri) == 11))) | |
1276 | { | |
1277 | /* | |
bf3816c7 | 1278 | * GET can only be done to configuration files directly under |
ef416fc2 | 1279 | * /admin/conf... |
1280 | */ | |
1281 | ||
996acce8 | 1282 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
bf3816c7 MS |
1283 | "Request for subdirectory \"%s\"!", con->uri); |
1284 | ||
5ec1fd3d | 1285 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1286 | { |
1287 | cupsdCloseClient(con); | |
1288 | return; | |
1289 | } | |
ef416fc2 | 1290 | |
1291 | break; | |
1292 | } | |
1293 | else | |
1294 | { | |
1295 | /* | |
1296 | * Serve a file... | |
1297 | */ | |
1298 | ||
1299 | if ((filename = get_file(con, &filestats, buf, | |
1300 | sizeof(buf))) == NULL) | |
1301 | { | |
5ec1fd3d | 1302 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1303 | { |
1304 | cupsdCloseClient(con); | |
1305 | return; | |
1306 | } | |
ef416fc2 | 1307 | |
1308 | break; | |
1309 | } | |
1310 | ||
4400e98d | 1311 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1312 | |
e1d6a774 | 1313 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1314 | { |
1315 | /* | |
1316 | * Note: con->command and con->options were set by | |
e1d6a774 | 1317 | * is_cgi()... |
ef416fc2 | 1318 | */ |
1319 | ||
1320 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1321 | { | |
5ec1fd3d | 1322 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1323 | { |
1324 | cupsdCloseClient(con); | |
1325 | return; | |
1326 | } | |
ef416fc2 | 1327 | } |
1328 | else | |
5ec1fd3d | 1329 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1330 | |
d21dc0ed | 1331 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1332 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1333 | break; |
1334 | } | |
1335 | ||
1336 | if (!check_if_modified(con, &filestats)) | |
1337 | { | |
5ec1fd3d | 1338 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1339 | { |
1340 | cupsdCloseClient(con); | |
1341 | return; | |
1342 | } | |
ef416fc2 | 1343 | } |
1344 | else | |
1345 | { | |
1346 | if (type == NULL) | |
5a9febac | 1347 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1348 | else |
1349 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1350 | ||
5ec1fd3d | 1351 | if (!write_file(con, HTTP_STATUS_OK, filename, line, &filestats)) |
f7deaa1a | 1352 | { |
1353 | cupsdCloseClient(con); | |
1354 | return; | |
1355 | } | |
ef416fc2 | 1356 | } |
1357 | } | |
1358 | break; | |
1359 | ||
cb7f98ee | 1360 | case HTTP_STATE_POST_RECV : |
ef416fc2 | 1361 | /* |
1362 | * See if the POST request includes a Content-Length field, and if | |
1363 | * so check the length against any limits that are set... | |
1364 | */ | |
1365 | ||
5ec1fd3d | 1366 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1367 | MaxRequestSize > 0 && |
d21dc0ed | 1368 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1369 | { |
1370 | /* | |
1371 | * Request too large... | |
1372 | */ | |
1373 | ||
5ec1fd3d | 1374 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1375 | { |
1376 | cupsdCloseClient(con); | |
1377 | return; | |
1378 | } | |
ef416fc2 | 1379 | |
1380 | break; | |
1381 | } | |
d21dc0ed | 1382 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1383 | { |
1384 | /* | |
1385 | * Negative content lengths are invalid! | |
1386 | */ | |
1387 | ||
5ec1fd3d | 1388 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1389 | { |
1390 | cupsdCloseClient(con); | |
1391 | return; | |
1392 | } | |
ef416fc2 | 1393 | |
1394 | break; | |
1395 | } | |
1396 | ||
1397 | /* | |
1398 | * See what kind of POST request this is; for IPP requests the | |
1399 | * content-type field will be "application/ipp"... | |
1400 | */ | |
1401 | ||
5ec1fd3d | 1402 | if (!strcmp(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
ef416fc2 | 1403 | "application/ipp")) |
1404 | con->request = ippNew(); | |
229681c1 MS |
1405 | else if (!WebInterface) |
1406 | { | |
1407 | /* | |
1408 | * Web interface is disabled. Show an appropriate message... | |
1409 | */ | |
1410 | ||
5ec1fd3d | 1411 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1412 | { |
1413 | cupsdCloseClient(con); | |
1414 | return; | |
1415 | } | |
1416 | ||
1417 | break; | |
1418 | } | |
ef416fc2 | 1419 | else if ((!strncmp(con->uri, "/admin", 6) && |
1420 | strncmp(con->uri, "/admin/conf/", 12) && | |
1421 | strncmp(con->uri, "/admin/log/", 11)) || | |
1422 | !strncmp(con->uri, "/printers", 9) || | |
1423 | !strncmp(con->uri, "/classes", 8) || | |
1424 | !strncmp(con->uri, "/help", 5) || | |
1425 | !strncmp(con->uri, "/jobs", 5)) | |
1426 | { | |
1427 | /* | |
1428 | * CGI request... | |
1429 | */ | |
1430 | ||
1431 | if (!strncmp(con->uri, "/admin", 6)) | |
1432 | { | |
1433 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1434 | ServerBin); | |
1435 | ||
b423cd4c | 1436 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1437 | } |
1438 | else if (!strncmp(con->uri, "/printers", 9)) | |
1439 | { | |
1440 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1441 | ServerBin); | |
b423cd4c | 1442 | |
1443 | if (con->uri[9] && con->uri[10]) | |
1444 | cupsdSetString(&con->options, con->uri + 9); | |
1445 | else | |
1446 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1447 | } |
1448 | else if (!strncmp(con->uri, "/classes", 8)) | |
1449 | { | |
1450 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1451 | ServerBin); | |
b423cd4c | 1452 | |
1453 | if (con->uri[8] && con->uri[9]) | |
1454 | cupsdSetString(&con->options, con->uri + 8); | |
1455 | else | |
1456 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1457 | } |
1458 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1459 | { | |
1460 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1461 | ServerBin); | |
b423cd4c | 1462 | |
1463 | if (con->uri[5] && con->uri[6]) | |
1464 | cupsdSetString(&con->options, con->uri + 5); | |
1465 | else | |
1466 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1467 | } |
1468 | else | |
1469 | { | |
1470 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1471 | ServerBin); | |
ef416fc2 | 1472 | |
b423cd4c | 1473 | if (con->uri[5] && con->uri[6]) |
1474 | cupsdSetString(&con->options, con->uri + 5); | |
1475 | else | |
1476 | cupsdSetString(&con->options, NULL); | |
1477 | } | |
ef416fc2 | 1478 | |
d21dc0ed | 1479 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1480 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1481 | } |
1482 | else | |
1483 | { | |
1484 | /* | |
1485 | * POST to a file... | |
1486 | */ | |
1487 | ||
1488 | if ((filename = get_file(con, &filestats, buf, | |
1489 | sizeof(buf))) == NULL) | |
1490 | { | |
5ec1fd3d | 1491 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1492 | { |
1493 | cupsdCloseClient(con); | |
1494 | return; | |
1495 | } | |
ef416fc2 | 1496 | |
1497 | break; | |
1498 | } | |
1499 | ||
4400e98d | 1500 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1501 | |
e1d6a774 | 1502 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1503 | { |
1504 | /* | |
1505 | * Only POST to CGI's... | |
1506 | */ | |
1507 | ||
5ec1fd3d | 1508 | if (!cupsdSendError(con, HTTP_STATUS_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1509 | { |
1510 | cupsdCloseClient(con); | |
1511 | return; | |
1512 | } | |
ef416fc2 | 1513 | } |
1514 | } | |
1515 | break; | |
1516 | ||
cb7f98ee | 1517 | case HTTP_STATE_PUT_RECV : |
ef416fc2 | 1518 | /* |
1519 | * Validate the resource name... | |
1520 | */ | |
1521 | ||
c41769ff | 1522 | if (strcmp(con->uri, "/admin/conf/cupsd.conf")) |
ef416fc2 | 1523 | { |
1524 | /* | |
c41769ff | 1525 | * PUT can only be done to the cupsd.conf file... |
ef416fc2 | 1526 | */ |
1527 | ||
996acce8 MS |
1528 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1529 | "Disallowed PUT request for \"%s\".", con->uri); | |
bf3816c7 | 1530 | |
5ec1fd3d | 1531 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1532 | { |
1533 | cupsdCloseClient(con); | |
1534 | return; | |
1535 | } | |
ef416fc2 | 1536 | |
1537 | break; | |
1538 | } | |
1539 | ||
1540 | /* | |
1541 | * See if the PUT request includes a Content-Length field, and if | |
1542 | * so check the length against any limits that are set... | |
1543 | */ | |
1544 | ||
5ec1fd3d | 1545 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1546 | MaxRequestSize > 0 && |
d21dc0ed | 1547 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1548 | { |
1549 | /* | |
1550 | * Request too large... | |
1551 | */ | |
1552 | ||
5ec1fd3d | 1553 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1554 | { |
1555 | cupsdCloseClient(con); | |
1556 | return; | |
1557 | } | |
ef416fc2 | 1558 | |
1559 | break; | |
1560 | } | |
d21dc0ed | 1561 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1562 | { |
1563 | /* | |
1564 | * Negative content lengths are invalid! | |
1565 | */ | |
1566 | ||
5ec1fd3d | 1567 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1568 | { |
1569 | cupsdCloseClient(con); | |
1570 | return; | |
1571 | } | |
ef416fc2 | 1572 | |
1573 | break; | |
1574 | } | |
1575 | ||
1576 | /* | |
1577 | * Open a temporary file to hold the request... | |
1578 | */ | |
1579 | ||
1580 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1581 | request_id ++); | |
1582 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1583 | ||
ef416fc2 | 1584 | if (con->file < 0) |
1585 | { | |
996acce8 MS |
1586 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1587 | "Unable to create request file \"%s\": %s", | |
1588 | con->filename, strerror(errno)); | |
a4924f6c | 1589 | |
5ec1fd3d | 1590 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1591 | { |
1592 | cupsdCloseClient(con); | |
1593 | return; | |
1594 | } | |
ef416fc2 | 1595 | } |
1596 | ||
1597 | fchmod(con->file, 0640); | |
1598 | fchown(con->file, RunUser, Group); | |
1599 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1600 | break; | |
1601 | ||
cb7f98ee MS |
1602 | case HTTP_STATE_DELETE : |
1603 | case HTTP_STATE_TRACE : | |
5ec1fd3d | 1604 | cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1605 | cupsdCloseClient(con); |
1606 | return; | |
ef416fc2 | 1607 | |
cb7f98ee | 1608 | case HTTP_STATE_HEAD : |
ef416fc2 | 1609 | if (!strncmp(con->uri, "/printers/", 10) && |
1610 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1611 | { | |
1612 | /* | |
1613 | * Send PPD file - get the real printer name since printer | |
1614 | * names are not case sensitive but filenames can be... | |
1615 | */ | |
1616 | ||
1617 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1618 | ||
1619 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1620 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1621 | else | |
1622 | { | |
5ec1fd3d | 1623 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1624 | { |
1625 | cupsdCloseClient(con); | |
1626 | return; | |
1627 | } | |
ef416fc2 | 1628 | |
e200616a | 1629 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1630 | break; |
1631 | } | |
1632 | } | |
229681c1 MS |
1633 | else if (!strncmp(con->uri, "/printers/", 10) && |
1634 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1635 | { | |
1636 | /* | |
1637 | * Send PNG file - get the real printer name since printer | |
1638 | * names are not case sensitive but filenames can be... | |
1639 | */ | |
1640 | ||
1641 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1642 | ||
1643 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1644 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1645 | else | |
1646 | { | |
5ec1fd3d | 1647 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
229681c1 MS |
1648 | { |
1649 | cupsdCloseClient(con); | |
1650 | return; | |
1651 | } | |
1652 | ||
e200616a | 1653 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
229681c1 MS |
1654 | break; |
1655 | } | |
1656 | } | |
1657 | else if (!WebInterface) | |
1658 | { | |
a73ca01e MS |
1659 | httpClearFields(con->http); |
1660 | ||
5ec1fd3d | 1661 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
229681c1 MS |
1662 | { |
1663 | cupsdCloseClient(con); | |
1664 | return; | |
1665 | } | |
1666 | ||
e200616a | 1667 | cupsdLogRequest(con, HTTP_STATUS_OK); |
229681c1 MS |
1668 | break; |
1669 | } | |
ef416fc2 | 1670 | |
1671 | if ((!strncmp(con->uri, "/admin", 6) && | |
1672 | strncmp(con->uri, "/admin/conf/", 12) && | |
1673 | strncmp(con->uri, "/admin/log/", 11)) || | |
1674 | !strncmp(con->uri, "/printers", 9) || | |
1675 | !strncmp(con->uri, "/classes", 8) || | |
1676 | !strncmp(con->uri, "/help", 5) || | |
1677 | !strncmp(con->uri, "/jobs", 5)) | |
1678 | { | |
1679 | /* | |
1680 | * CGI output... | |
1681 | */ | |
1682 | ||
a73ca01e MS |
1683 | httpClearFields(con->http); |
1684 | ||
5ec1fd3d | 1685 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1686 | { |
1687 | cupsdCloseClient(con); | |
1688 | return; | |
1689 | } | |
ef416fc2 | 1690 | |
5ec1fd3d | 1691 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1692 | } |
1693 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1694 | (strchr(con->uri + 12, '/') || | |
1695 | strlen(con->uri) == 12)) || | |
1696 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1697 | (strchr(con->uri + 11, '/') || | |
1698 | strlen(con->uri) == 11))) | |
1699 | { | |
1700 | /* | |
1701 | * HEAD can only be done to configuration files under | |
1702 | * /admin/conf... | |
1703 | */ | |
1704 | ||
996acce8 MS |
1705 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1706 | "Request for subdirectory \"%s\".", con->uri); | |
bf3816c7 | 1707 | |
5ec1fd3d | 1708 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1709 | { |
1710 | cupsdCloseClient(con); | |
1711 | return; | |
1712 | } | |
ef416fc2 | 1713 | |
e200616a | 1714 | cupsdLogRequest(con, HTTP_STATUS_FORBIDDEN); |
ef416fc2 | 1715 | break; |
1716 | } | |
1717 | else if ((filename = get_file(con, &filestats, buf, | |
1718 | sizeof(buf))) == NULL) | |
1719 | { | |
a73ca01e MS |
1720 | httpClearFields(con->http); |
1721 | ||
5ec1fd3d | 1722 | if (!cupsdSendHeader(con, HTTP_STATUS_NOT_FOUND, "text/html", |
f11a948a | 1723 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1724 | { |
1725 | cupsdCloseClient(con); | |
1726 | return; | |
1727 | } | |
ef416fc2 | 1728 | |
5ec1fd3d | 1729 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1730 | } |
1731 | else if (!check_if_modified(con, &filestats)) | |
1732 | { | |
5ec1fd3d | 1733 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1734 | { |
1735 | cupsdCloseClient(con); | |
1736 | return; | |
1737 | } | |
ef416fc2 | 1738 | |
5ec1fd3d | 1739 | cupsdLogRequest(con, HTTP_STATUS_NOT_MODIFIED); |
ef416fc2 | 1740 | } |
1741 | else | |
1742 | { | |
1743 | /* | |
1744 | * Serve a file... | |
1745 | */ | |
1746 | ||
4400e98d | 1747 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1748 | if (type == NULL) |
5a9febac | 1749 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1750 | else |
1751 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1752 | ||
a73ca01e MS |
1753 | httpClearFields(con->http); |
1754 | ||
e200616a MS |
1755 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
1756 | httpGetDateString(filestats.st_mtime)); | |
1757 | httpSetLength(con->http, filestats.st_size); | |
ef416fc2 | 1758 | |
e200616a | 1759 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1760 | { |
1761 | cupsdCloseClient(con); | |
1762 | return; | |
1763 | } | |
ef416fc2 | 1764 | |
5ec1fd3d | 1765 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1766 | } |
ef416fc2 | 1767 | break; |
1768 | ||
1769 | default : | |
1770 | break; /* Anti-compiler-warning-code */ | |
1771 | } | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | /* | |
1776 | * Handle any incoming data... | |
1777 | */ | |
1778 | ||
5ec1fd3d | 1779 | switch (httpGetState(con->http)) |
ef416fc2 | 1780 | { |
cb7f98ee | 1781 | case HTTP_STATE_PUT_RECV : |
f7deaa1a | 1782 | do |
ef416fc2 | 1783 | { |
996acce8 | 1784 | if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1785 | { |
5ec1fd3d | 1786 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1787 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1788 | "HTTP_STATE_PUT_RECV Closing for error %d (%s)", | |
5ec1fd3d | 1789 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1790 | else |
996acce8 MS |
1791 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1792 | "HTTP_STATE_PUT_RECV Closing on EOF."); | |
f11a948a | 1793 | |
f7deaa1a | 1794 | cupsdCloseClient(con); |
1795 | return; | |
1796 | } | |
1797 | else if (bytes > 0) | |
1798 | { | |
1799 | con->bytes += bytes; | |
ef416fc2 | 1800 | |
f7deaa1a | 1801 | if (write(con->file, line, bytes) < bytes) |
1802 | { | |
996acce8 MS |
1803 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1804 | "Unable to write %d bytes to \"%s\": %s", bytes, | |
1805 | con->filename, strerror(errno)); | |
ef416fc2 | 1806 | |
f7deaa1a | 1807 | close(con->file); |
1808 | con->file = -1; | |
1809 | unlink(con->filename); | |
1810 | cupsdClearString(&con->filename); | |
ef416fc2 | 1811 | |
5ec1fd3d | 1812 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1813 | { |
1814 | cupsdCloseClient(con); | |
1815 | return; | |
1816 | } | |
1817 | } | |
ef416fc2 | 1818 | } |
f7deaa1a | 1819 | } |
5ec1fd3d | 1820 | while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http)); |
ef416fc2 | 1821 | |
5ec1fd3d | 1822 | if (httpGetState(con->http) == HTTP_STATE_STATUS) |
ef416fc2 | 1823 | { |
1824 | /* | |
1825 | * End of file, see how big it is... | |
1826 | */ | |
1827 | ||
1828 | fstat(con->file, &filestats); | |
1829 | ||
ef416fc2 | 1830 | close(con->file); |
1831 | con->file = -1; | |
1832 | ||
1833 | if (filestats.st_size > MaxRequestSize && | |
1834 | MaxRequestSize > 0) | |
1835 | { | |
1836 | /* | |
1837 | * Request is too big; remove it and send an error... | |
1838 | */ | |
1839 | ||
ef416fc2 | 1840 | unlink(con->filename); |
1841 | cupsdClearString(&con->filename); | |
1842 | ||
5ec1fd3d | 1843 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1844 | { |
1845 | cupsdCloseClient(con); | |
1846 | return; | |
1847 | } | |
ef416fc2 | 1848 | } |
1849 | ||
1850 | /* | |
1851 | * Install the configuration file... | |
1852 | */ | |
1853 | ||
c41769ff | 1854 | status = install_cupsd_conf(con); |
ef416fc2 | 1855 | |
1856 | /* | |
1857 | * Return the status to the client... | |
1858 | */ | |
1859 | ||
5bd77a73 | 1860 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 1861 | { |
1862 | cupsdCloseClient(con); | |
1863 | return; | |
1864 | } | |
ef416fc2 | 1865 | } |
1866 | break; | |
1867 | ||
cb7f98ee | 1868 | case HTTP_STATE_POST_RECV : |
f7deaa1a | 1869 | do |
ef416fc2 | 1870 | { |
f11a948a | 1871 | if (con->request && con->file < 0) |
ef416fc2 | 1872 | { |
f7deaa1a | 1873 | /* |
1874 | * Grab any request data from the connection... | |
1875 | */ | |
ef416fc2 | 1876 | |
5ec1fd3d | 1877 | if ((ipp_state = ippRead(con->http, con->request)) == IPP_STATE_ERROR) |
ef416fc2 | 1878 | { |
996acce8 MS |
1879 | cupsdLogClient(con, CUPSD_LOG_ERROR, "IPP read error: %s", |
1880 | cupsLastErrorString()); | |
f7deaa1a | 1881 | |
5ec1fd3d | 1882 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1883 | cupsdCloseClient(con); |
1884 | return; | |
ef416fc2 | 1885 | } |
5ec1fd3d | 1886 | else if (ipp_state != IPP_STATE_DATA) |
f7deaa1a | 1887 | { |
5ec1fd3d | 1888 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
f7deaa1a | 1889 | { |
5ec1fd3d | 1890 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1891 | cupsdCloseClient(con); |
1892 | return; | |
1893 | } | |
ef416fc2 | 1894 | |
5ec1fd3d | 1895 | if (httpGetReady(con->http)) |
6961465f | 1896 | continue; |
f7deaa1a | 1897 | break; |
1898 | } | |
1899 | else | |
f11a948a | 1900 | { |
996acce8 MS |
1901 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%d.%d %s %d", |
1902 | con->request->request.op.version[0], | |
f11a948a MS |
1903 | con->request->request.op.version[1], |
1904 | ippOpString(con->request->request.op.operation_id), | |
1905 | con->request->request.op.request_id); | |
f7deaa1a | 1906 | con->bytes += ippLength(con->request); |
f11a948a | 1907 | } |
f7deaa1a | 1908 | } |
ef416fc2 | 1909 | |
5ec1fd3d | 1910 | if (con->file < 0 && httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1911 | { |
1912 | /* | |
1913 | * Create a file as needed for the request data... | |
1914 | */ | |
ef416fc2 | 1915 | |
f11a948a MS |
1916 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
1917 | request_id ++); | |
f7deaa1a | 1918 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 1919 | |
f7deaa1a | 1920 | if (con->file < 0) |
1921 | { | |
996acce8 MS |
1922 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1923 | "Unable to create request file \"%s\": %s", | |
1924 | con->filename, strerror(errno)); | |
a4924f6c | 1925 | |
5ec1fd3d | 1926 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1927 | { |
1928 | cupsdCloseClient(con); | |
1929 | return; | |
1930 | } | |
1931 | } | |
ef416fc2 | 1932 | |
f7deaa1a | 1933 | fchmod(con->file, 0640); |
1934 | fchown(con->file, RunUser, Group); | |
1935 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1936 | } | |
ef416fc2 | 1937 | |
5ec1fd3d | 1938 | if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
ef416fc2 | 1939 | { |
996acce8 | 1940 | if (!httpWait(con->http, 0)) |
cb7f98ee | 1941 | return; |
996acce8 | 1942 | else if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1943 | { |
5ec1fd3d | 1944 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1945 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1946 | "HTTP_STATE_POST_SEND Closing for error %d (%s)", | |
5ec1fd3d | 1947 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1948 | else |
996acce8 MS |
1949 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1950 | "HTTP_STATE_POST_SEND Closing on EOF."); | |
f11a948a | 1951 | |
f7deaa1a | 1952 | cupsdCloseClient(con); |
1953 | return; | |
1954 | } | |
1955 | else if (bytes > 0) | |
1956 | { | |
1957 | con->bytes += bytes; | |
ef416fc2 | 1958 | |
f7deaa1a | 1959 | if (write(con->file, line, bytes) < bytes) |
1960 | { | |
996acce8 MS |
1961 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1962 | "Unable to write %d bytes to \"%s\": %s", | |
1963 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1964 | |
f7deaa1a | 1965 | close(con->file); |
1966 | con->file = -1; | |
1967 | unlink(con->filename); | |
1968 | cupsdClearString(&con->filename); | |
ef416fc2 | 1969 | |
5ec1fd3d | 1970 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, |
f11a948a | 1971 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1972 | { |
1973 | cupsdCloseClient(con); | |
1974 | return; | |
1975 | } | |
1976 | } | |
1977 | } | |
5ec1fd3d | 1978 | else if (httpGetState(con->http) == HTTP_STATE_POST_RECV) |
f7deaa1a | 1979 | return; |
5ec1fd3d | 1980 | else if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1981 | { |
996acce8 MS |
1982 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1983 | "Closing on unexpected state %s.", | |
5ec1fd3d | 1984 | httpStateString(httpGetState(con->http))); |
f7deaa1a | 1985 | cupsdCloseClient(con); |
1986 | return; | |
ef416fc2 | 1987 | } |
1988 | } | |
f7deaa1a | 1989 | } |
5ec1fd3d | 1990 | while (httpGetState(con->http) == HTTP_STATE_POST_RECV && httpGetReady(con->http)); |
ef416fc2 | 1991 | |
5ec1fd3d | 1992 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
ef416fc2 | 1993 | { |
1994 | if (con->file >= 0) | |
1995 | { | |
1996 | fstat(con->file, &filestats); | |
1997 | ||
ef416fc2 | 1998 | close(con->file); |
1999 | con->file = -1; | |
2000 | ||
2001 | if (filestats.st_size > MaxRequestSize && | |
2002 | MaxRequestSize > 0) | |
2003 | { | |
2004 | /* | |
2005 | * Request is too big; remove it and send an error... | |
2006 | */ | |
2007 | ||
ef416fc2 | 2008 | unlink(con->filename); |
2009 | cupsdClearString(&con->filename); | |
2010 | ||
2011 | if (con->request) | |
2012 | { | |
2013 | /* | |
2014 | * Delete any IPP request data... | |
2015 | */ | |
2016 | ||
2017 | ippDelete(con->request); | |
2018 | con->request = NULL; | |
2019 | } | |
2020 | ||
5ec1fd3d | 2021 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2022 | { |
2023 | cupsdCloseClient(con); | |
2024 | return; | |
2025 | } | |
ef416fc2 | 2026 | } |
f8b3a85b MS |
2027 | else if (filestats.st_size == 0) |
2028 | { | |
2029 | /* | |
2030 | * Don't allow empty file... | |
2031 | */ | |
2032 | ||
2033 | unlink(con->filename); | |
2034 | cupsdClearString(&con->filename); | |
2035 | } | |
ef416fc2 | 2036 | |
2037 | if (con->command) | |
2038 | { | |
2039 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2040 | { | |
5ec1fd3d | 2041 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2042 | { |
2043 | cupsdCloseClient(con); | |
2044 | return; | |
2045 | } | |
ef416fc2 | 2046 | } |
2047 | else | |
5ec1fd3d | 2048 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2049 | } |
2050 | } | |
2051 | ||
2052 | if (con->request) | |
f7deaa1a | 2053 | { |
2054 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2055 | |
2056 | if (con->filename) | |
2057 | { | |
bc44d920 | 2058 | unlink(con->filename); |
2059 | cupsdClearString(&con->filename); | |
2060 | } | |
2061 | ||
f7deaa1a | 2062 | return; |
2063 | } | |
ef416fc2 | 2064 | } |
2065 | break; | |
2066 | ||
2067 | default : | |
2068 | break; /* Anti-compiler-warning-code */ | |
2069 | } | |
2070 | ||
5ec1fd3d | 2071 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
3dfe78b3 | 2072 | { |
5ec1fd3d | 2073 | if (!httpGetKeepAlive(con->http)) |
f11a948a | 2074 | { |
996acce8 MS |
2075 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2076 | "Closing because Keep-Alive is disabled."); | |
3dfe78b3 | 2077 | cupsdCloseClient(con); |
f11a948a | 2078 | } |
3dfe78b3 MS |
2079 | else |
2080 | { | |
2081 | cupsArrayRemove(ActiveClients, con); | |
2082 | cupsdSetBusyState(); | |
2083 | } | |
2084 | } | |
ef416fc2 | 2085 | } |
2086 | ||
2087 | ||
2088 | /* | |
2089 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2090 | */ | |
2091 | ||
2092 | int /* O - 1 on success, 0 on failure */ | |
2093 | cupsdSendCommand( | |
2094 | cupsd_client_t *con, /* I - Client connection */ | |
2095 | char *command, /* I - Command to run */ | |
2096 | char *options, /* I - Command-line options */ | |
2097 | int root) /* I - Run as root? */ | |
2098 | { | |
2099 | int fd; /* Standard input file descriptor */ | |
2100 | ||
2101 | ||
2102 | if (con->filename) | |
ed486911 | 2103 | { |
ef416fc2 | 2104 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2105 | |
ed486911 | 2106 | if (fd < 0) |
2107 | { | |
996acce8 MS |
2108 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2109 | "Unable to open \"%s\" for reading: %s", | |
2110 | con->filename ? con->filename : "/dev/null", | |
2111 | strerror(errno)); | |
ed486911 | 2112 | return (0); |
2113 | } | |
ef416fc2 | 2114 | |
ed486911 | 2115 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2116 | } | |
2117 | else | |
2118 | fd = -1; | |
ef416fc2 | 2119 | |
e200616a MS |
2120 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); |
2121 | con->pipe_status = HTTP_STATUS_OK; | |
ef416fc2 | 2122 | |
a73ca01e MS |
2123 | httpClearFields(con->http); |
2124 | ||
ed486911 | 2125 | if (fd >= 0) |
2126 | close(fd); | |
ef416fc2 | 2127 | |
996acce8 MS |
2128 | cupsdLogClient(con, CUPSD_LOG_INFO, "Started \"%s\" (pid=%d, file=%d)", |
2129 | command, con->pipe_pid, con->file); | |
ef416fc2 | 2130 | |
2131 | if (con->pipe_pid == 0) | |
2132 | return (0); | |
2133 | ||
2134 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2135 | ||
f899b121 | 2136 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2137 | |
996acce8 | 2138 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2139 | |
ef416fc2 | 2140 | con->sent_header = 0; |
2141 | con->file_ready = 0; | |
2142 | con->got_fields = 0; | |
68b10830 | 2143 | con->header_used = 0; |
ef416fc2 | 2144 | |
2145 | return (1); | |
2146 | } | |
2147 | ||
2148 | ||
2149 | /* | |
2150 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2151 | */ | |
2152 | ||
2153 | int /* O - 1 if successful, 0 otherwise */ | |
2154 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2155 | http_status_t code, /* I - Error code */ |
2156 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2157 | { |
996acce8 MS |
2158 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", |
2159 | code, auth_type); | |
b9faaae1 | 2160 | |
4744bd90 | 2161 | #ifdef HAVE_SSL |
2162 | /* | |
2163 | * Force client to upgrade for authentication if that is how the | |
2164 | * server is configured... | |
2165 | */ | |
2166 | ||
5ec1fd3d MS |
2167 | if (code == HTTP_STATUS_UNAUTHORIZED && |
2168 | DefaultEncryption == HTTP_ENCRYPTION_REQUIRED && | |
2169 | _cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost") && | |
2170 | !httpIsEncrypted(con->http)) | |
4744bd90 | 2171 | { |
5ec1fd3d | 2172 | code = HTTP_STATUS_UPGRADE_REQUIRED; |
4744bd90 | 2173 | } |
2174 | #endif /* HAVE_SSL */ | |
2175 | ||
ef416fc2 | 2176 | /* |
2177 | * Put the request in the access_log file... | |
2178 | */ | |
2179 | ||
2180 | cupsdLogRequest(con, code); | |
2181 | ||
ef416fc2 | 2182 | /* |
2183 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2184 | * error messages... | |
f7deaa1a | 2185 | * |
2186 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2187 | * never disable it in that case. | |
ef416fc2 | 2188 | */ |
2189 | ||
a73ca01e MS |
2190 | httpClearFields(con->http); |
2191 | ||
5ec1fd3d MS |
2192 | if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE) |
2193 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 2194 | |
d21dc0ed | 2195 | if (httpGetVersion(con->http) >= HTTP_VERSION_1_1 && |
5ec1fd3d | 2196 | httpGetKeepAlive(con->http) == HTTP_KEEPALIVE_OFF) |
e200616a | 2197 | httpSetField(con->http, HTTP_FIELD_CONNECTION, "close"); |
ef416fc2 | 2198 | |
5ec1fd3d | 2199 | if (code >= HTTP_STATUS_BAD_REQUEST) |
ef416fc2 | 2200 | { |
2201 | /* | |
2202 | * Send a human-readable error message. | |
2203 | */ | |
2204 | ||
80ca4592 | 2205 | char message[4096], /* Message for user */ |
2206 | urltext[1024], /* URL redirection text */ | |
2207 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2208 | const char *text; /* Status-specific text */ |
2209 | ||
80ca4592 | 2210 | |
2211 | redirect[0] = '\0'; | |
2212 | ||
5ec1fd3d | 2213 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2214 | text = _cupsLangString(con->language, |
2215 | _("Enter your username and password or the " | |
2216 | "root username and password to access this " | |
f7deaa1a | 2217 | "page. If you are using Kerberos authentication, " |
2218 | "make sure you have a valid Kerberos ticket.")); | |
5ec1fd3d | 2219 | else if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
80ca4592 | 2220 | { |
2221 | text = urltext; | |
2222 | ||
2223 | snprintf(urltext, sizeof(urltext), | |
2224 | _cupsLangString(con->language, | |
2225 | _("You must access this page using the URL " | |
2226 | "<A HREF=\"https://%s:%d%s\">" | |
2227 | "https://%s:%d%s</A>.")), | |
2228 | con->servername, con->serverport, con->uri, | |
2229 | con->servername, con->serverport, con->uri); | |
2230 | ||
2231 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2232 | "<META HTTP-EQUIV=\"Refresh\" " |
2233 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2234 | con->servername, con->serverport, con->uri); |
2235 | } | |
5ec1fd3d | 2236 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2237 | text = _cupsLangString(con->language, |
2238 | _("The web interface is currently disabled. Run " | |
2239 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2240 | else |
2241 | text = ""; | |
2242 | ||
2243 | snprintf(message, sizeof(message), | |
745129be MS |
2244 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2245 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2246 | "<HTML>\n" |
2247 | "<HEAD>\n" | |
2248 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2249 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2250 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2251 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2252 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2253 | "%s" |
ef416fc2 | 2254 | "</HEAD>\n" |
2255 | "<BODY>\n" | |
229681c1 | 2256 | "<H1>%s</H1>\n" |
ef416fc2 | 2257 | "<P>%s</P>\n" |
2258 | "</BODY>\n" | |
2259 | "</HTML>\n", | |
41e6c1f1 MS |
2260 | _httpStatus(con->language, code), redirect, |
2261 | _httpStatus(con->language, code), text); | |
ef416fc2 | 2262 | |
e200616a MS |
2263 | /* |
2264 | * Send an error message back to the client. If the error code is a | |
2265 | * 400 or 500 series, make sure the message contains some text, too! | |
2266 | */ | |
2267 | ||
2268 | httpSetLength(con->http, strlen(message)); | |
2269 | ||
2270 | if (!cupsdSendHeader(con, code, "text/html", auth_type)) | |
ef416fc2 | 2271 | return (0); |
e200616a | 2272 | |
996acce8 | 2273 | if (httpPrintf(con->http, "%s", message) < 0) |
ef416fc2 | 2274 | return (0); |
2275 | } | |
e200616a MS |
2276 | else |
2277 | { | |
2278 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
a469f8a5 | 2279 | |
e200616a MS |
2280 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
2281 | return (0); | |
2282 | } | |
ef416fc2 | 2283 | |
2284 | return (1); | |
2285 | } | |
2286 | ||
2287 | ||
ef416fc2 | 2288 | /* |
2289 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2290 | */ | |
2291 | ||
2292 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2293 | cupsdSendHeader( |
2294 | cupsd_client_t *con, /* I - Client to send to */ | |
2295 | http_status_t code, /* I - HTTP status code */ | |
2296 | char *type, /* I - MIME type of document */ | |
2297 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2298 | { |
5a738aea | 2299 | char auth_str[1024]; /* Authorization string */ |
f7deaa1a | 2300 | |
2301 | ||
4744bd90 | 2302 | /* |
2303 | * Send the HTTP status header... | |
2304 | */ | |
2305 | ||
a73ca01e | 2306 | if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2307 | { |
2308 | /* | |
2309 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2310 | * browsers. | |
2311 | */ | |
2312 | ||
5ec1fd3d | 2313 | code = HTTP_STATUS_OK; |
229681c1 | 2314 | } |
b423cd4c | 2315 | |
ef416fc2 | 2316 | if (ServerHeader) |
e200616a | 2317 | httpSetField(con->http, HTTP_FIELD_SERVER, ServerHeader); |
5ec1fd3d MS |
2318 | |
2319 | if (code == HTTP_STATUS_METHOD_NOT_ALLOWED) | |
e200616a | 2320 | httpSetField(con->http, HTTP_FIELD_ALLOW, "GET, HEAD, OPTIONS, POST, PUT"); |
ef416fc2 | 2321 | |
5ec1fd3d | 2322 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2323 | { |
5bd77a73 | 2324 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2325 | { |
5bd77a73 | 2326 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
dcb445bc | 2327 | auth_type = cupsdDefaultAuthType(); |
f899b121 | 2328 | else |
2329 | auth_type = con->best->type; | |
2330 | } | |
f7deaa1a | 2331 | |
2332 | auth_str[0] = '\0'; | |
2333 | ||
5bd77a73 | 2334 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2335 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2336 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2337 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
5ec1fd3d | 2338 | httpGetHostname(con->http, NULL, 0)); |
f7deaa1a | 2339 | #ifdef HAVE_GSSAPI |
eac3a0a0 | 2340 | else if (auth_type == CUPSD_AUTH_NEGOTIATE) |
6961465f MS |
2341 | { |
2342 | # ifdef AF_LOCAL | |
5ec1fd3d | 2343 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
6961465f MS |
2344 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
2345 | else | |
2346 | # endif /* AF_LOCAL */ | |
f7deaa1a | 2347 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
6961465f | 2348 | } |
f7deaa1a | 2349 | #endif /* HAVE_GSSAPI */ |
2350 | ||
e07d4801 | 2351 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
5ec1fd3d | 2352 | !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost")) |
ef416fc2 | 2353 | { |
e07d4801 MS |
2354 | /* |
2355 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2356 | * requests when the request requires system group membership - then the | |
2357 | * client knows the root certificate can/should be used. | |
2358 | * | |
f3c17241 | 2359 | * Also, for OS X we also look for @AUTHKEY and add an "authkey" |
e07d4801 MS |
2360 | * parameter as needed... |
2361 | */ | |
2362 | ||
10d09e33 MS |
2363 | char *name, /* Current user name */ |
2364 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2365 | size_t auth_size; /* Size of remaining buffer */ |
2366 | ||
f7deaa1a | 2367 | auth_key = auth_str + strlen(auth_str); |
2368 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2369 | ||
10d09e33 MS |
2370 | for (name = (char *)cupsArrayFirst(con->best->names); |
2371 | name; | |
2372 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2373 | { |
e07d4801 | 2374 | #ifdef HAVE_AUTHORIZATION_H |
88f9aafc | 2375 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2376 | { |
10d09e33 | 2377 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2378 | /* end parenthesis is stripped in conf.c */ |
2379 | break; | |
2380 | } | |
e07d4801 MS |
2381 | else |
2382 | #endif /* HAVE_AUTHORIZATION_H */ | |
88f9aafc | 2383 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2384 | { |
e07d4801 MS |
2385 | #ifdef HAVE_AUTHORIZATION_H |
2386 | if (SystemGroupAuthKey) | |
2387 | snprintf(auth_key, auth_size, | |
07ed0e9a | 2388 | ", authkey=\"%s\"", |
e07d4801 MS |
2389 | SystemGroupAuthKey); |
2390 | else | |
2391 | #else | |
f11a948a | 2392 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2393 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2394 | break; |
2395 | } | |
2396 | } | |
ef416fc2 | 2397 | } |
f7deaa1a | 2398 | |
bc44d920 | 2399 | if (auth_str[0]) |
2400 | { | |
996acce8 | 2401 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "WWW-Authenticate: %s", auth_str); |
bc44d920 | 2402 | |
e200616a | 2403 | httpSetField(con->http, HTTP_FIELD_WWW_AUTHENTICATE, auth_str); |
bc44d920 | 2404 | } |
ef416fc2 | 2405 | } |
2406 | ||
e1d6a774 | 2407 | if (con->language && strcmp(con->language->language, "C")) |
e200616a | 2408 | httpSetField(con->http, HTTP_FIELD_CONTENT_LANGUAGE, con->language->language); |
ef416fc2 | 2409 | |
e1d6a774 | 2410 | if (type) |
ef416fc2 | 2411 | { |
2412 | if (!strcmp(type, "text/html")) | |
e200616a MS |
2413 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, "text/html; charset=utf-8"); |
2414 | else | |
2415 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, type); | |
ef416fc2 | 2416 | } |
2417 | ||
e200616a | 2418 | return (!httpWriteResponse(con->http, code)); |
ef416fc2 | 2419 | } |
2420 | ||
2421 | ||
2422 | /* | |
2423 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2424 | */ | |
2425 | ||
2426 | void | |
2427 | cupsdUpdateCGI(void) | |
2428 | { | |
2429 | char *ptr, /* Pointer to end of line in buffer */ | |
2430 | message[1024]; /* Pointer to message text */ | |
2431 | int loglevel; /* Log level for message */ | |
2432 | ||
2433 | ||
2434 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2435 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2436 | { |
2437 | if (loglevel == CUPSD_LOG_INFO) | |
2438 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2439 | ||
ef416fc2 | 2440 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2441 | break; | |
f0ab5bff | 2442 | } |
ef416fc2 | 2443 | |
d09495fa | 2444 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2445 | { |
2446 | /* | |
2447 | * Fatal error on pipe - should never happen! | |
2448 | */ | |
2449 | ||
2450 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2451 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2452 | strerror(errno)); | |
2453 | } | |
2454 | } | |
2455 | ||
2456 | ||
2457 | /* | |
2458 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2459 | */ | |
2460 | ||
f7deaa1a | 2461 | void |
ef416fc2 | 2462 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2463 | { | |
68b10830 MS |
2464 | int bytes, /* Number of bytes written */ |
2465 | field_col; /* Current column */ | |
2466 | char *bufptr, /* Pointer into buffer */ | |
2467 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2468 | ipp_state_t ipp_state; /* IPP state value */ |
2469 | ||
2470 | ||
5ec1fd3d | 2471 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "con->http=%p", con->http); |
996acce8 MS |
2472 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2473 | "cupsdWriteClient " | |
2474 | "error=%d, " | |
2475 | "used=%d, " | |
2476 | "state=%s, " | |
2477 | "data_encoding=HTTP_ENCODING_%s, " | |
2478 | "data_remaining=" CUPS_LLFMT ", " | |
2479 | "response=%p(%s), " | |
2480 | "pipe_pid=%d, " | |
2481 | "file=%d", | |
5ec1fd3d MS |
2482 | httpError(con->http), (int)httpGetReady(con->http), |
2483 | httpStateString(httpGetState(con->http)), | |
d21dc0ed MS |
2484 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", |
2485 | CUPS_LLCAST httpGetLength2(con->http), | |
996acce8 | 2486 | con->response, |
a73ca01e | 2487 | con->response ? ippStateString(ippGetState(con->request)) : "", |
996acce8 MS |
2488 | con->pipe_pid, con->file); |
2489 | ||
5ec1fd3d MS |
2490 | if (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2491 | httpGetState(con->http) != HTTP_STATE_POST_SEND) | |
8b116e60 MS |
2492 | { |
2493 | /* | |
2494 | * If we get called in the wrong state, then something went wrong with the | |
2495 | * connection and we need to shut it down... | |
2496 | */ | |
2497 | ||
996acce8 | 2498 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP state %s.", |
5ec1fd3d | 2499 | httpStateString(httpGetState(con->http))); |
8b116e60 | 2500 | cupsdCloseClient(con); |
f7deaa1a | 2501 | return; |
8b116e60 | 2502 | } |
f7deaa1a | 2503 | |
2504 | if (con->pipe_pid) | |
2505 | { | |
2506 | /* | |
2507 | * Make sure we select on the CGI output... | |
2508 | */ | |
2509 | ||
f899b121 | 2510 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2511 | |
996acce8 | 2512 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2513 | |
f7deaa1a | 2514 | if (!con->file_ready) |
2515 | { | |
2516 | /* | |
2517 | * Try again later when there is CGI output available... | |
2518 | */ | |
2519 | ||
996acce8 | 2520 | cupsdRemoveSelect(httpGetFd(con->http)); |
f7deaa1a | 2521 | return; |
2522 | } | |
2523 | ||
2524 | con->file_ready = 0; | |
2525 | } | |
ef416fc2 | 2526 | |
5ec1fd3d | 2527 | if (con->response && con->response->state != IPP_STATE_DATA) |
ef416fc2 | 2528 | { |
d21dc0ed | 2529 | size_t wused = httpGetPending(con->http); /* Previous write buffer use */ |
94436c5a MS |
2530 | |
2531 | do | |
2532 | { | |
2533 | /* | |
2534 | * Write a single attribute or the IPP message header... | |
2535 | */ | |
2536 | ||
996acce8 | 2537 | ipp_state = ippWrite(con->http, con->response); |
94436c5a MS |
2538 | |
2539 | /* | |
2540 | * If the write buffer has been flushed, stop buffering up attributes... | |
2541 | */ | |
2542 | ||
d21dc0ed | 2543 | if (httpGetPending(con->http) <= wused) |
94436c5a MS |
2544 | break; |
2545 | } | |
2546 | while (ipp_state != IPP_STATE_DATA && ipp_state != IPP_STATE_ERROR); | |
2547 | ||
996acce8 MS |
2548 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2549 | "Writing IPP response, ipp_state=%s, old " | |
d21dc0ed MS |
2550 | "wused=" CUPS_LLFMT ", new wused=" CUPS_LLFMT, |
2551 | ippStateString(ipp_state), | |
2552 | CUPS_LLCAST wused, CUPS_LLCAST httpGetPending(con->http)); | |
2553 | ||
2554 | if (httpGetPending(con->http) > 0) | |
996acce8 | 2555 | httpFlushWrite(con->http); |
94436c5a MS |
2556 | |
2557 | bytes = ipp_state != IPP_STATE_ERROR && | |
2558 | (con->file >= 0 || ipp_state != IPP_STATE_DATA); | |
21f36711 | 2559 | |
996acce8 MS |
2560 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2561 | "bytes=%d, http_state=%d, data_remaining=" CUPS_LLFMT, | |
5ec1fd3d | 2562 | (int)bytes, httpGetState(con->http), |
d21dc0ed | 2563 | CUPS_LLCAST httpGetLength2(con->http)); |
ef416fc2 | 2564 | } |
a2326b5b | 2565 | else if ((bytes = read(con->file, con->header + con->header_used, |
68b10830 | 2566 | sizeof(con->header) - con->header_used)) > 0) |
ef416fc2 | 2567 | { |
68b10830 MS |
2568 | con->header_used += bytes; |
2569 | ||
ef416fc2 | 2570 | if (con->pipe_pid && !con->got_fields) |
2571 | { | |
2572 | /* | |
2573 | * Inspect the data for Content-Type and other fields. | |
2574 | */ | |
2575 | ||
68b10830 MS |
2576 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2577 | field_col = 0; | |
2578 | !con->got_fields && bufptr < bufend; | |
2579 | bufptr ++) | |
d1c13e16 | 2580 | { |
ef416fc2 | 2581 | if (*bufptr == '\n') |
2582 | { | |
2583 | /* | |
2584 | * Send line to client... | |
2585 | */ | |
2586 | ||
68b10830 | 2587 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2588 | bufptr[-1] = '\0'; |
2589 | *bufptr++ = '\0'; | |
2590 | ||
996acce8 | 2591 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2592 | |
2593 | if (!con->sent_header) | |
2594 | { | |
2595 | /* | |
2596 | * Handle redirection and CGI status codes... | |
2597 | */ | |
2598 | ||
e200616a MS |
2599 | http_field_t field; /* HTTP field */ |
2600 | char *value = strchr(con->header, ':'); | |
2601 | /* Value of field */ | |
2602 | ||
2603 | if (value) | |
d6ae789d | 2604 | { |
e200616a MS |
2605 | *value++ = '\0'; |
2606 | while (isspace(*value & 255)) | |
2607 | value ++; | |
2608 | } | |
321d8d57 | 2609 | |
e200616a | 2610 | field = httpFieldValue(con->header); |
07725fee | 2611 | |
e200616a MS |
2612 | if (field != HTTP_FIELD_UNKNOWN && value) |
2613 | { | |
2614 | httpSetField(con->http, field, value); | |
2615 | ||
2616 | if (field == HTTP_FIELD_LOCATION) | |
2617 | { | |
2618 | con->pipe_status = HTTP_STATUS_SEE_OTHER; | |
2619 | con->sent_header = 2; | |
2620 | } | |
2621 | else | |
2622 | con->sent_header = 1; | |
d6ae789d | 2623 | } |
e200616a | 2624 | else if (!_cups_strcasecmp(con->header, "Status") && value) |
07725fee | 2625 | { |
e200616a | 2626 | con->pipe_status = (http_status_t)atoi(value); |
07725fee | 2627 | con->sent_header = 2; |
2628 | } | |
e200616a | 2629 | else if (!_cups_strcasecmp(con->header, "Set-Cookie") && value) |
4744bd90 | 2630 | { |
e200616a MS |
2631 | char *sep = strchr(value, ';'); |
2632 | /* Separator between name=value and the rest */ | |
321d8d57 | 2633 | |
e200616a MS |
2634 | if (sep) |
2635 | *sep = '\0'; | |
ef416fc2 | 2636 | |
e200616a MS |
2637 | httpSetCookie(con->http, value); |
2638 | con->sent_header = 1; | |
2639 | } | |
ef416fc2 | 2640 | } |
2641 | ||
ef416fc2 | 2642 | /* |
2643 | * Update buffer... | |
2644 | */ | |
2645 | ||
68b10830 | 2646 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2647 | |
68b10830 MS |
2648 | if (con->header_used > 0) |
2649 | memmove(con->header, bufptr, con->header_used); | |
d1c13e16 | 2650 | |
68b10830 | 2651 | bufptr = con->header - 1; |
ef416fc2 | 2652 | |
2653 | /* | |
2654 | * See if the line was empty... | |
2655 | */ | |
2656 | ||
68b10830 | 2657 | if (field_col == 0) |
d09495fa | 2658 | { |
ef416fc2 | 2659 | con->got_fields = 1; |
d09495fa | 2660 | |
e200616a MS |
2661 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1 && |
2662 | !httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0]) | |
2663 | httpSetLength(con->http, 0); | |
2664 | ||
2665 | if (!cupsdSendHeader(con, con->pipe_status, NULL, CUPSD_AUTH_NONE)) | |
07725fee | 2666 | { |
2667 | cupsdCloseClient(con); | |
f7deaa1a | 2668 | return; |
07725fee | 2669 | } |
d09495fa | 2670 | } |
ef416fc2 | 2671 | else |
68b10830 | 2672 | field_col = 0; |
ef416fc2 | 2673 | } |
2674 | else if (*bufptr != '\r') | |
68b10830 | 2675 | field_col ++; |
d1c13e16 | 2676 | } |
ef416fc2 | 2677 | |
68b10830 | 2678 | if (!con->got_fields) |
47879b8b | 2679 | return; |
ef416fc2 | 2680 | } |
2681 | ||
68b10830 | 2682 | if (con->header_used > 0) |
ef416fc2 | 2683 | { |
996acce8 | 2684 | if (httpWrite2(con->http, con->header, con->header_used) < 0) |
4744bd90 | 2685 | { |
996acce8 | 2686 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2687 | httpError(con->http), strerror(httpError(con->http))); |
4744bd90 | 2688 | cupsdCloseClient(con); |
f7deaa1a | 2689 | return; |
4744bd90 | 2690 | } |
ef416fc2 | 2691 | |
d21dc0ed | 2692 | if (httpIsChunked(con->http)) |
996acce8 | 2693 | httpFlushWrite(con->http); |
ae71f5de | 2694 | |
68b10830 | 2695 | con->bytes += con->header_used; |
ef416fc2 | 2696 | |
5ec1fd3d | 2697 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
4744bd90 | 2698 | bytes = 0; |
68b10830 MS |
2699 | else |
2700 | bytes = con->header_used; | |
2701 | ||
2702 | con->header_used = 0; | |
4744bd90 | 2703 | } |
ef416fc2 | 2704 | } |
2705 | ||
8b116e60 | 2706 | if (bytes <= 0 || |
5ec1fd3d MS |
2707 | (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2708 | httpGetState(con->http) != HTTP_STATE_POST_SEND)) | |
ef416fc2 | 2709 | { |
38e73f87 | 2710 | if (!con->sent_header && con->pipe_pid) |
5ec1fd3d | 2711 | cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE); |
94da7e34 MS |
2712 | else |
2713 | { | |
5ec1fd3d | 2714 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2715 | |
996acce8 | 2716 | httpFlushWrite(con->http); |
ef416fc2 | 2717 | |
d21dc0ed | 2718 | if (httpIsChunked(con->http) && con->sent_header == 1) |
ef416fc2 | 2719 | { |
996acce8 | 2720 | if (httpWrite2(con->http, "", 0) < 0) |
94da7e34 | 2721 | { |
996acce8 | 2722 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2723 | httpError(con->http), strerror(httpError(con->http))); |
94da7e34 MS |
2724 | cupsdCloseClient(con); |
2725 | return; | |
2726 | } | |
ef416fc2 | 2727 | } |
2728 | } | |
2729 | ||
996acce8 | 2730 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2731 | |
996acce8 | 2732 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 2733 | |
ef416fc2 | 2734 | if (con->file >= 0) |
2735 | { | |
f7deaa1a | 2736 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2737 | |
2738 | if (con->pipe_pid) | |
2739 | cupsdEndProcess(con->pipe_pid, 0); | |
2740 | ||
ef416fc2 | 2741 | close(con->file); |
2742 | con->file = -1; | |
2743 | con->pipe_pid = 0; | |
2744 | } | |
2745 | ||
2746 | if (con->filename) | |
2747 | { | |
ef416fc2 | 2748 | unlink(con->filename); |
2749 | cupsdClearString(&con->filename); | |
2750 | } | |
2751 | ||
2abf387c | 2752 | if (con->request) |
ef416fc2 | 2753 | { |
2754 | ippDelete(con->request); | |
2755 | con->request = NULL; | |
2756 | } | |
2757 | ||
2abf387c | 2758 | if (con->response) |
ef416fc2 | 2759 | { |
2760 | ippDelete(con->response); | |
2761 | con->response = NULL; | |
2762 | } | |
2763 | ||
2764 | cupsdClearString(&con->command); | |
2765 | cupsdClearString(&con->options); | |
b86bc4cf | 2766 | cupsdClearString(&con->query_string); |
ef416fc2 | 2767 | |
5ec1fd3d | 2768 | if (!httpGetKeepAlive(con->http)) |
ef416fc2 | 2769 | { |
996acce8 MS |
2770 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2771 | "Closing because Keep-Alive is disabled."); | |
ef416fc2 | 2772 | cupsdCloseClient(con); |
f7deaa1a | 2773 | return; |
ef416fc2 | 2774 | } |
f11a948a MS |
2775 | else |
2776 | { | |
2777 | cupsArrayRemove(ActiveClients, con); | |
2778 | cupsdSetBusyState(); | |
2779 | } | |
ef416fc2 | 2780 | } |
f7deaa1a | 2781 | } |
ef416fc2 | 2782 | |
f7deaa1a | 2783 | |
e1d6a774 | 2784 | /* |
2785 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2786 | */ | |
2787 | ||
2788 | static int /* O - 1 if modified since */ | |
2789 | check_if_modified( | |
2790 | cupsd_client_t *con, /* I - Client connection */ | |
2791 | struct stat *filestats) /* I - File information */ | |
2792 | { | |
5ec1fd3d | 2793 | const char *ptr; /* Pointer into field */ |
e1d6a774 | 2794 | time_t date; /* Time/date value */ |
2795 | off_t size; /* Size/length value */ | |
2796 | ||
2797 | ||
2798 | size = 0; | |
2799 | date = 0; | |
5ec1fd3d | 2800 | ptr = httpGetField(con->http, HTTP_FIELD_IF_MODIFIED_SINCE); |
e1d6a774 | 2801 | |
2802 | if (*ptr == '\0') | |
2803 | return (1); | |
2804 | ||
996acce8 MS |
2805 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
2806 | "check_if_modified " | |
2807 | "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", | |
2808 | filestats, CUPS_LLCAST filestats->st_size, | |
2809 | (int)filestats->st_mtime, ptr); | |
e1d6a774 | 2810 | |
2811 | while (*ptr != '\0') | |
2812 | { | |
2813 | while (isspace(*ptr) || *ptr == ';') | |
2814 | ptr ++; | |
2815 | ||
88f9aafc | 2816 | if (_cups_strncasecmp(ptr, "length=", 7) == 0) |
e1d6a774 | 2817 | { |
2818 | ptr += 7; | |
2819 | size = strtoll(ptr, NULL, 10); | |
2820 | ||
2821 | while (isdigit(*ptr)) | |
2822 | ptr ++; | |
2823 | } | |
2824 | else if (isalpha(*ptr)) | |
2825 | { | |
2826 | date = httpGetDateTime(ptr); | |
2827 | while (*ptr != '\0' && *ptr != ';') | |
2828 | ptr ++; | |
2829 | } | |
e53920b9 | 2830 | else |
2831 | ptr ++; | |
e1d6a774 | 2832 | } |
2833 | ||
e1d6a774 | 2834 | return ((size != filestats->st_size && size != 0) || |
2835 | (date < filestats->st_mtime && date != 0) || | |
2836 | (size == 0 && date == 0)); | |
2837 | } | |
2838 | ||
2839 | ||
3dfe78b3 MS |
2840 | /* |
2841 | * 'compare_clients()' - Compare two client connections. | |
2842 | */ | |
2843 | ||
2844 | static int /* O - Result of comparison */ | |
2845 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
2846 | cupsd_client_t *b, /* I - Second client */ | |
2847 | void *data) /* I - User data (not used) */ | |
2848 | { | |
2849 | (void)data; | |
2850 | ||
2851 | if (a == b) | |
2852 | return (0); | |
2853 | else if (a < b) | |
2854 | return (-1); | |
2855 | else | |
2856 | return (1); | |
2857 | } | |
2858 | ||
2859 | ||
ef416fc2 | 2860 | /* |
2861 | * 'get_file()' - Get a filename and state info. | |
2862 | */ | |
2863 | ||
2864 | static char * /* O - Real filename */ | |
2865 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
2866 | struct stat *filestats, /* O - File information */ | |
2867 | char *filename, /* IO - Filename buffer */ | |
2868 | int len) /* I - Buffer length */ | |
2869 | { | |
2870 | int status; /* Status of filesystem calls */ | |
2871 | char *ptr; /* Pointer info filename */ | |
2872 | int plen; /* Remaining length after pointer */ | |
db1f069b | 2873 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 2874 | |
2875 | ||
2876 | /* | |
f7deaa1a | 2877 | * Figure out the real filename... |
ef416fc2 | 2878 | */ |
2879 | ||
db1f069b MS |
2880 | language[0] = '\0'; |
2881 | ||
7cf5915e | 2882 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
ef416fc2 | 2883 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
7cf5915e MS |
2884 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
2885 | { | |
2886 | snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7); | |
2887 | if (access(filename, F_OK) < 0) | |
2888 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
2889 | } | |
f7deaa1a | 2890 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
2891 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 2892 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
2893 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
2894 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
2895 | { | |
2e4ff8af | 2896 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 2897 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 2898 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 2899 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 2900 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 2901 | strlcpy(filename, PageLog, len); |
2902 | else | |
2903 | return (NULL); | |
2904 | } | |
d6ae789d | 2905 | else if (con->language) |
db1f069b MS |
2906 | { |
2907 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
2908 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
2909 | } | |
ef416fc2 | 2910 | else |
2911 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
2912 | ||
2913 | if ((ptr = strchr(filename, '?')) != NULL) | |
2914 | *ptr = '\0'; | |
2915 | ||
2916 | /* | |
2917 | * Grab the status for this language; if there isn't a language-specific file | |
2918 | * then fallback to the default one... | |
2919 | */ | |
2920 | ||
db1f069b | 2921 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 2922 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 2923 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 2924 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 2925 | strncmp(con->uri, "/admin/conf/", 12) && |
2926 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 2927 | { |
2928 | /* | |
d6ae789d | 2929 | * Drop the country code... |
ef416fc2 | 2930 | */ |
2931 | ||
db1f069b MS |
2932 | language[3] = '\0'; |
2933 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 2934 | |
2935 | if ((ptr = strchr(filename, '?')) != NULL) | |
2936 | *ptr = '\0'; | |
2937 | ||
2938 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 2939 | { |
d6ae789d | 2940 | /* |
2941 | * Drop the language prefix and try the root directory... | |
2942 | */ | |
2943 | ||
db1f069b | 2944 | language[0] = '\0'; |
ef416fc2 | 2945 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
2946 | ||
2947 | if ((ptr = strchr(filename, '?')) != NULL) | |
2948 | *ptr = '\0'; | |
2949 | ||
2950 | status = stat(filename, filestats); | |
2951 | } | |
2952 | } | |
2953 | ||
2954 | /* | |
2955 | * If we're found a directory, get the index.html file instead... | |
2956 | */ | |
2957 | ||
2958 | if (!status && S_ISDIR(filestats->st_mode)) | |
2959 | { | |
db1f069b MS |
2960 | /* |
2961 | * Make sure the URI ends with a slash... | |
2962 | */ | |
ef416fc2 | 2963 | |
db1f069b MS |
2964 | if (con->uri[strlen(con->uri) - 1] != '/') |
2965 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 2966 | |
db1f069b MS |
2967 | /* |
2968 | * Find the directory index file, trying every language... | |
2969 | */ | |
ef416fc2 | 2970 | |
db1f069b | 2971 | do |
ef416fc2 | 2972 | { |
db1f069b MS |
2973 | if (status && language[0]) |
2974 | { | |
2975 | /* | |
2976 | * Try a different language subset... | |
2977 | */ | |
2978 | ||
2979 | if (language[3]) | |
2980 | language[0] = '\0'; /* Strip country code */ | |
2981 | else | |
2982 | language[0] = '\0'; /* Strip language */ | |
2983 | } | |
2984 | ||
2985 | /* | |
2986 | * Look for the index file... | |
2987 | */ | |
2988 | ||
2989 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
2990 | ||
2991 | if ((ptr = strchr(filename, '?')) != NULL) | |
2992 | *ptr = '\0'; | |
2993 | ||
2994 | ptr = filename + strlen(filename); | |
2995 | plen = len - (ptr - filename); | |
2996 | ||
2997 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 2998 | status = stat(filename, filestats); |
db1f069b MS |
2999 | |
3000 | #ifdef HAVE_JAVA | |
3001 | if (status) | |
3002 | { | |
3003 | strlcpy(ptr, "index.class", plen); | |
3004 | status = stat(filename, filestats); | |
3005 | } | |
ef416fc2 | 3006 | #endif /* HAVE_JAVA */ |
3007 | ||
3008 | #ifdef HAVE_PERL | |
db1f069b MS |
3009 | if (status) |
3010 | { | |
3011 | strlcpy(ptr, "index.pl", plen); | |
3012 | status = stat(filename, filestats); | |
3013 | } | |
ef416fc2 | 3014 | #endif /* HAVE_PERL */ |
3015 | ||
3016 | #ifdef HAVE_PHP | |
db1f069b MS |
3017 | if (status) |
3018 | { | |
3019 | strlcpy(ptr, "index.php", plen); | |
3020 | status = stat(filename, filestats); | |
3021 | } | |
ef416fc2 | 3022 | #endif /* HAVE_PHP */ |
3023 | ||
3024 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3025 | if (status) |
3026 | { | |
3027 | strlcpy(ptr, "index.pyc", plen); | |
3028 | status = stat(filename, filestats); | |
3029 | } | |
ef416fc2 | 3030 | |
db1f069b MS |
3031 | if (status) |
3032 | { | |
3033 | strlcpy(ptr, "index.py", plen); | |
3034 | status = stat(filename, filestats); | |
3035 | } | |
ef416fc2 | 3036 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3037 | |
3038 | } | |
3039 | while (status && language[0]); | |
ef416fc2 | 3040 | } |
3041 | ||
996acce8 MS |
3042 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3043 | "get_file filestats=%p, filename=%p, len=%d, " | |
3044 | "returning \"%s\".", filestats, filename, len, | |
3045 | status ? "(null)" : filename); | |
ef416fc2 | 3046 | |
ef416fc2 | 3047 | if (status) |
3048 | return (NULL); | |
3049 | else | |
3050 | return (filename); | |
3051 | } | |
3052 | ||
3053 | ||
3054 | /* | |
c41769ff | 3055 | * 'install_cupsd_conf()' - Install a configuration file. |
ef416fc2 | 3056 | */ |
3057 | ||
3058 | static http_status_t /* O - Status */ | |
c41769ff | 3059 | install_cupsd_conf(cupsd_client_t *con) /* I - Connection */ |
ef416fc2 | 3060 | { |
321d8d57 | 3061 | char filename[1024]; /* Configuration filename */ |
ef416fc2 | 3062 | cups_file_t *in, /* Input file */ |
3063 | *out; /* Output file */ | |
321d8d57 MS |
3064 | char buffer[16384]; /* Copy buffer */ |
3065 | ssize_t bytes; /* Number of bytes */ | |
ef416fc2 | 3066 | |
3067 | ||
3068 | /* | |
321d8d57 | 3069 | * Open the request file... |
ef416fc2 | 3070 | */ |
3071 | ||
321d8d57 | 3072 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
ef416fc2 | 3073 | { |
996acce8 | 3074 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s", |
321d8d57 | 3075 | con->filename, strerror(errno)); |
5ec1fd3d | 3076 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3077 | } |
3078 | ||
3079 | /* | |
321d8d57 | 3080 | * Open the new config file... |
ef416fc2 | 3081 | */ |
3082 | ||
cb7f98ee | 3083 | if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL) |
ef416fc2 | 3084 | { |
3085 | cupsFileClose(in); | |
5ec1fd3d | 3086 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3087 | } |
3088 | ||
996acce8 | 3089 | cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...", |
cb7f98ee | 3090 | ConfigurationFile); |
ef416fc2 | 3091 | |
3092 | /* | |
3093 | * Copy from the request to the new config file... | |
3094 | */ | |
3095 | ||
3096 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3097 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3098 | { | |
996acce8 | 3099 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
321d8d57 | 3100 | "Unable to copy to config file \"%s\": %s", |
cb7f98ee | 3101 | ConfigurationFile, strerror(errno)); |
ef416fc2 | 3102 | |
3103 | cupsFileClose(in); | |
3104 | cupsFileClose(out); | |
321d8d57 | 3105 | |
cb7f98ee MS |
3106 | snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile); |
3107 | cupsdUnlinkOrRemoveFile(filename); | |
ef416fc2 | 3108 | |
5ec1fd3d | 3109 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3110 | } |
3111 | ||
3112 | /* | |
3113 | * Close the files... | |
3114 | */ | |
3115 | ||
3116 | cupsFileClose(in); | |
ef416fc2 | 3117 | |
cb7f98ee | 3118 | if (cupsdCloseCreatedConfFile(out, ConfigurationFile)) |
5ec1fd3d | 3119 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3120 | |
3121 | /* | |
3122 | * Remove the request file... | |
3123 | */ | |
3124 | ||
cb7f98ee | 3125 | cupsdUnlinkOrRemoveFile(con->filename); |
ef416fc2 | 3126 | cupsdClearString(&con->filename); |
3127 | ||
ef416fc2 | 3128 | /* |
c41769ff | 3129 | * Set the NeedReload flag... |
ef416fc2 | 3130 | */ |
3131 | ||
c41769ff | 3132 | NeedReload = RELOAD_CUPSD; |
ef416fc2 | 3133 | ReloadTime = time(NULL); |
3134 | ||
3135 | /* | |
3136 | * Return that the file was created successfully... | |
3137 | */ | |
3138 | ||
5ec1fd3d | 3139 | return (HTTP_STATUS_CREATED); |
ef416fc2 | 3140 | } |
3141 | ||
3142 | ||
e1d6a774 | 3143 | /* |
3144 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3145 | */ | |
3146 | ||
3147 | static int /* O - 1 = CGI, 0 = file */ | |
3148 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3149 | const char *filename, /* I - Real filename */ | |
3150 | struct stat *filestats, /* I - File information */ | |
3151 | mime_type_t *type) /* I - MIME type */ | |
3152 | { | |
3153 | const char *options; /* Options on URL */ | |
3154 | ||
3155 | ||
e1d6a774 | 3156 | /* |
3157 | * Get the options, if any... | |
3158 | */ | |
3159 | ||
3160 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3161 | { |
3162 | options ++; | |
3163 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3164 | } | |
b86bc4cf | 3165 | |
e1d6a774 | 3166 | /* |
3167 | * Check for known types... | |
3168 | */ | |
3169 | ||
88f9aafc | 3170 | if (!type || _cups_strcasecmp(type->super, "application")) |
e1d6a774 | 3171 | { |
996acce8 MS |
3172 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3173 | "is_cgi filename=\"%s\", filestats=%p, " | |
3174 | "type=%s/%s, returning 0", filename, | |
3175 | filestats, type ? type->super : "unknown", | |
3176 | type ? type->type : "unknown"); | |
e1d6a774 | 3177 | return (0); |
3178 | } | |
3179 | ||
88f9aafc | 3180 | if (!_cups_strcasecmp(type->type, "x-httpd-cgi") && |
e1d6a774 | 3181 | (filestats->st_mode & 0111)) |
3182 | { | |
3183 | /* | |
3184 | * "application/x-httpd-cgi" is a CGI script. | |
3185 | */ | |
3186 | ||
3187 | cupsdSetString(&con->command, filename); | |
3188 | ||
a0f6818e MS |
3189 | if (options) |
3190 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3191 | |
996acce8 MS |
3192 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3193 | "is_cgi filename=\"%s\", filestats=%p, " | |
3194 | "type=%s/%s, returning 1", filename, | |
3195 | filestats, type->super, type->type); | |
e1d6a774 | 3196 | return (1); |
3197 | } | |
3198 | #ifdef HAVE_JAVA | |
88f9aafc | 3199 | else if (!_cups_strcasecmp(type->type, "x-httpd-java")) |
e1d6a774 | 3200 | { |
3201 | /* | |
3202 | * "application/x-httpd-java" is a Java servlet. | |
3203 | */ | |
3204 | ||
3205 | cupsdSetString(&con->command, CUPS_JAVA); | |
3206 | ||
3207 | if (options) | |
b94498cf | 3208 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3209 | else |
b94498cf | 3210 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3211 | |
996acce8 MS |
3212 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3213 | "is_cgi filename=\"%s\", filestats=%p, " | |
3214 | "type=%s/%s, returning 1", filename, | |
3215 | filestats, type->super, type->type); | |
e1d6a774 | 3216 | return (1); |
3217 | } | |
3218 | #endif /* HAVE_JAVA */ | |
3219 | #ifdef HAVE_PERL | |
88f9aafc | 3220 | else if (!_cups_strcasecmp(type->type, "x-httpd-perl")) |
e1d6a774 | 3221 | { |
3222 | /* | |
3223 | * "application/x-httpd-perl" is a Perl page. | |
3224 | */ | |
3225 | ||
3226 | cupsdSetString(&con->command, CUPS_PERL); | |
3227 | ||
3228 | if (options) | |
b94498cf | 3229 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3230 | else |
b94498cf | 3231 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3232 | |
996acce8 MS |
3233 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3234 | "is_cgi filename=\"%s\", filestats=%p, " | |
3235 | "type=%s/%s, returning 1", filename, | |
3236 | filestats, type->super, type->type); | |
e1d6a774 | 3237 | return (1); |
3238 | } | |
3239 | #endif /* HAVE_PERL */ | |
3240 | #ifdef HAVE_PHP | |
88f9aafc | 3241 | else if (!_cups_strcasecmp(type->type, "x-httpd-php")) |
e1d6a774 | 3242 | { |
3243 | /* | |
3244 | * "application/x-httpd-php" is a PHP page. | |
3245 | */ | |
3246 | ||
3247 | cupsdSetString(&con->command, CUPS_PHP); | |
3248 | ||
3249 | if (options) | |
b94498cf | 3250 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3251 | else |
b94498cf | 3252 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3253 | |
996acce8 MS |
3254 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3255 | "is_cgi filename=\"%s\", filestats=%p, " | |
3256 | "type=%s/%s, returning 1", filename, | |
3257 | filestats, type->super, type->type); | |
e1d6a774 | 3258 | return (1); |
3259 | } | |
3260 | #endif /* HAVE_PHP */ | |
3261 | #ifdef HAVE_PYTHON | |
88f9aafc | 3262 | else if (!_cups_strcasecmp(type->type, "x-httpd-python")) |
e1d6a774 | 3263 | { |
3264 | /* | |
3265 | * "application/x-httpd-python" is a Python page. | |
3266 | */ | |
3267 | ||
3268 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3269 | ||
3270 | if (options) | |
b94498cf | 3271 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3272 | else |
b94498cf | 3273 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3274 | |
996acce8 MS |
3275 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3276 | "is_cgi filename=\"%s\", filestats=%p, " | |
3277 | "type=%s/%s, returning 1", filename, | |
3278 | filestats, type->super, type->type); | |
e1d6a774 | 3279 | return (1); |
3280 | } | |
3281 | #endif /* HAVE_PYTHON */ | |
3282 | ||
996acce8 MS |
3283 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3284 | "is_cgi filename=\"%s\", filestats=%p, " | |
3285 | "type=%s/%s, returning 0", filename, | |
3286 | filestats, type->super, type->type); | |
e1d6a774 | 3287 | return (0); |
3288 | } | |
3289 | ||
3290 | ||
ef416fc2 | 3291 | /* |
3292 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3293 | */ | |
3294 | ||
3295 | static int /* O - 0 if relative, 1 if absolute */ | |
3296 | is_path_absolute(const char *path) /* I - Input path */ | |
3297 | { | |
3298 | /* | |
3299 | * Check for a leading slash... | |
3300 | */ | |
3301 | ||
3302 | if (path[0] != '/') | |
3303 | return (0); | |
3304 | ||
3305 | /* | |
3306 | * Check for "/.." in the path... | |
3307 | */ | |
3308 | ||
3309 | while ((path = strstr(path, "/..")) != NULL) | |
3310 | { | |
3311 | if (!path[3] || path[3] == '/') | |
3312 | return (0); | |
3313 | ||
3314 | path ++; | |
3315 | } | |
3316 | ||
3317 | /* | |
3318 | * If we haven't found any relative paths, return 1 indicating an | |
3319 | * absolute path... | |
3320 | */ | |
3321 | ||
3322 | return (1); | |
3323 | } | |
3324 | ||
3325 | ||
3326 | /* | |
3327 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
3328 | */ | |
3329 | ||
3330 | static int /* O - Process ID */ | |
3331 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
3332 | int infile, /* I - Standard input for command */ | |
3333 | int *outfile, /* O - Standard output for command */ | |
3334 | char *command, /* I - Command to run */ | |
3335 | char *options, /* I - Options for command */ | |
3336 | int root) /* I - Run as root? */ | |
3337 | { | |
3338 | int i; /* Looping var */ | |
3339 | int pid; /* Process ID */ | |
b423cd4c | 3340 | char *commptr, /* Command string pointer */ |
3341 | commch; /* Command string character */ | |
ef416fc2 | 3342 | char *uriptr; /* URI string pointer */ |
3343 | int fds[2]; /* Pipe FDs */ | |
3344 | int argc; /* Number of arguments */ | |
3345 | int envc; /* Number of environment variables */ | |
3346 | char argbuf[10240], /* Argument buffer */ | |
3347 | *argv[100], /* Argument strings */ | |
b94498cf | 3348 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 3349 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 3350 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 3351 | content_type[1024], /* CONTENT_TYPE environment variable */ |
3352 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 3353 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 3354 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
3355 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 3356 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 3357 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3358 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3359 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 3360 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 3361 | script_name[1024], /* SCRIPT_NAME environment variable */ |
3362 | server_name[1024], /* SERVER_NAME environment variable */ | |
3363 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 3364 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
ef416fc2 | 3365 | |
3366 | ||
3367 | /* | |
3368 | * Parse a copy of the options string, which is of the form: | |
3369 | * | |
b423cd4c | 3370 | * argument+argument+argument |
3371 | * ?argument+argument+argument | |
3372 | * param=value¶m=value | |
3373 | * ?param=value¶m=value | |
3374 | * /name?argument+argument+argument | |
3375 | * /name?param=value¶m=value | |
ef416fc2 | 3376 | * |
3377 | * If the string contains an "=" character after the initial name, | |
3378 | * then we treat it as a HTTP GET form request and make a copy of | |
3379 | * the remaining string for the environment variable. | |
3380 | * | |
3381 | * The string is always parsed out as command-line arguments, to | |
3382 | * be consistent with Apache... | |
3383 | */ | |
3384 | ||
996acce8 MS |
3385 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3386 | "pipe_command infile=%d, outfile=%p, " | |
3387 | "command=\"%s\", options=\"%s\", root=%d", | |
3388 | infile, outfile, command, | |
3389 | options ? options : "(null)", root); | |
ef416fc2 | 3390 | |
b86bc4cf | 3391 | argv[0] = command; |
ef416fc2 | 3392 | |
b423cd4c | 3393 | if (options) |
c7017ecc MS |
3394 | { |
3395 | commptr = options; | |
3396 | if (*commptr == ' ') | |
3397 | commptr ++; | |
3398 | strlcpy(argbuf, commptr, sizeof(argbuf)); | |
3399 | } | |
b423cd4c | 3400 | else |
3401 | argbuf[0] = '\0'; | |
3402 | ||
3403 | if (argbuf[0] == '/') | |
ef416fc2 | 3404 | { |
3405 | /* | |
b423cd4c | 3406 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 3407 | */ |
3408 | ||
b423cd4c | 3409 | if ((commptr = strchr(argbuf, '?')) == NULL) |
3410 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 3411 | |
b423cd4c | 3412 | commch = *commptr; |
3413 | *commptr = '\0'; | |
3414 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
3415 | *commptr = commch; | |
3416 | } | |
3417 | else | |
3418 | { | |
3419 | commptr = argbuf; | |
3420 | path_info[0] = '\0'; | |
b94498cf | 3421 | |
3422 | if (*commptr == ' ') | |
3423 | commptr ++; | |
b423cd4c | 3424 | } |
ef416fc2 | 3425 | |
cb7f98ee | 3426 | if (*commptr == '?' && con->operation == HTTP_STATE_GET && !con->query_string) |
b423cd4c | 3427 | { |
3428 | commptr ++; | |
b86bc4cf | 3429 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 3430 | } |
ef416fc2 | 3431 | |
b423cd4c | 3432 | argc = 1; |
ef416fc2 | 3433 | |
b423cd4c | 3434 | if (*commptr) |
3435 | { | |
3436 | argv[argc ++] = commptr; | |
ef416fc2 | 3437 | |
b423cd4c | 3438 | for (; *commptr && argc < 99; commptr ++) |
3439 | { | |
ef416fc2 | 3440 | /* |
b423cd4c | 3441 | * Break arguments whenever we see a + or space... |
ef416fc2 | 3442 | */ |
3443 | ||
b423cd4c | 3444 | if (*commptr == ' ' || *commptr == '+') |
3445 | { | |
3446 | while (*commptr == ' ' || *commptr == '+') | |
3447 | *commptr++ = '\0'; | |
ef416fc2 | 3448 | |
b423cd4c | 3449 | /* |
3450 | * If we don't have a blank string, save it as another argument... | |
3451 | */ | |
ef416fc2 | 3452 | |
b423cd4c | 3453 | if (*commptr) |
3454 | { | |
3455 | argv[argc] = commptr; | |
3456 | argc ++; | |
3457 | } | |
3458 | else | |
3459 | break; | |
3460 | } | |
3461 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
3462 | isxdigit(commptr[2] & 255)) | |
3463 | { | |
3464 | /* | |
3465 | * Convert the %xx notation to the individual character. | |
3466 | */ | |
ef416fc2 | 3467 | |
b423cd4c | 3468 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3469 | *commptr = (commptr[1] - '0') << 4; | |
3470 | else | |
3471 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 3472 | |
b423cd4c | 3473 | if (commptr[2] >= '0' && commptr[2] <= '9') |
3474 | *commptr |= commptr[2] - '0'; | |
3475 | else | |
3476 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 3477 | |
b423cd4c | 3478 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 3479 | |
b423cd4c | 3480 | /* |
3481 | * Check for a %00 and break if that is the case... | |
3482 | */ | |
ef416fc2 | 3483 | |
b423cd4c | 3484 | if (!*commptr) |
3485 | break; | |
3486 | } | |
ef416fc2 | 3487 | } |
3488 | } | |
3489 | ||
3490 | argv[argc] = NULL; | |
3491 | ||
ef416fc2 | 3492 | /* |
3493 | * Setup the environment variables as needed... | |
3494 | */ | |
3495 | ||
b94498cf | 3496 | if (con->username[0]) |
3497 | { | |
c7017ecc | 3498 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
996acce8 | 3499 | httpGetField(con->http, HTTP_FIELD_AUTHORIZATION)); |
b94498cf | 3500 | |
3501 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
3502 | *uriptr = '\0'; | |
3503 | } | |
3504 | else | |
3505 | auth_type[0] = '\0'; | |
3506 | ||
7dfedb92 MS |
3507 | if (con->request && |
3508 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
3509 | IPP_TAG_LANGUAGE)) != NULL) | |
3510 | { | |
3511 | switch (strlen(attr->values[0].string.text)) | |
3512 | { | |
3513 | default : | |
3514 | /* | |
3515 | * This is an unknown or badly formatted language code; use | |
3516 | * the POSIX locale... | |
3517 | */ | |
3518 | ||
5a9febac | 3519 | strlcpy(lang, "LANG=C", sizeof(lang)); |
7dfedb92 MS |
3520 | break; |
3521 | ||
3522 | case 2 : | |
3523 | /* | |
3524 | * Just the language code (ll)... | |
3525 | */ | |
3526 | ||
3527 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
3528 | attr->values[0].string.text); | |
3529 | break; | |
3530 | ||
3531 | case 5 : | |
3532 | /* | |
3533 | * Language and country code (ll-cc)... | |
3534 | */ | |
3535 | ||
3536 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
3537 | attr->values[0].string.text[0], | |
3538 | attr->values[0].string.text[1], | |
3539 | toupper(attr->values[0].string.text[3] & 255), | |
3540 | toupper(attr->values[0].string.text[4] & 255)); | |
3541 | break; | |
3542 | } | |
3543 | } | |
3544 | else if (con->language) | |
3545 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 3546 | else |
5a9febac | 3547 | strlcpy(lang, "LANG=C", sizeof(lang)); |
ef416fc2 | 3548 | |
5a9febac | 3549 | strlcpy(remote_addr, "REMOTE_ADDR=", sizeof(remote_addr)); |
5ec1fd3d | 3550 | httpAddrString(httpGetAddress(con->http), remote_addr + 12, |
ef416fc2 | 3551 | sizeof(remote_addr) - 12); |
3552 | ||
3553 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
5ec1fd3d | 3554 | httpGetHostname(con->http, NULL, 0)); |
ef416fc2 | 3555 | |
3556 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3557 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3558 | *uriptr = '\0'; | |
3559 | ||
b94498cf | 3560 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
3561 | DocumentRoot, script_name + 12); | |
3562 | ||
ef416fc2 | 3563 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
3564 | ||
5ec1fd3d | 3565 | if (httpGetField(con->http, HTTP_FIELD_HOST)[0]) |
0268488e MS |
3566 | { |
3567 | char *nameptr; /* Pointer to ":port" */ | |
3568 | ||
3569 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
5ec1fd3d | 3570 | httpGetField(con->http, HTTP_FIELD_HOST)); |
0268488e MS |
3571 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) |
3572 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
3573 | } | |
3574 | else | |
3575 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3576 | con->servername); | |
ef416fc2 | 3577 | |
3578 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3579 | ||
b94498cf | 3580 | if (auth_type[0]) |
3581 | envp[envc ++] = auth_type; | |
3582 | ||
ef416fc2 | 3583 | envp[envc ++] = lang; |
3584 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 3585 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 3586 | envp[envc ++] = server_name; |
3587 | envp[envc ++] = server_port; | |
3588 | envp[envc ++] = remote_addr; | |
3589 | envp[envc ++] = remote_host; | |
3590 | envp[envc ++] = script_name; | |
b94498cf | 3591 | envp[envc ++] = script_filename; |
ef416fc2 | 3592 | |
b423cd4c | 3593 | if (path_info[0]) |
3594 | envp[envc ++] = path_info; | |
3595 | ||
ef416fc2 | 3596 | if (con->username[0]) |
3597 | { | |
3598 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
3599 | ||
3600 | envp[envc ++] = remote_user; | |
3601 | } | |
3602 | ||
d21dc0ed | 3603 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1) |
ef416fc2 | 3604 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; |
d21dc0ed | 3605 | else if (httpGetVersion(con->http) == HTTP_VERSION_1_0) |
ef416fc2 | 3606 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; |
3607 | else | |
3608 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3609 | ||
d21dc0ed | 3610 | if (httpGetCookie(con->http)) |
ef416fc2 | 3611 | { |
3612 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
d21dc0ed | 3613 | httpGetCookie(con->http)); |
ef416fc2 | 3614 | envp[envc ++] = http_cookie; |
3615 | } | |
3616 | ||
5ec1fd3d | 3617 | if (httpGetField(con->http, HTTP_FIELD_USER_AGENT)[0]) |
ef416fc2 | 3618 | { |
3619 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
5ec1fd3d | 3620 | httpGetField(con->http, HTTP_FIELD_USER_AGENT)); |
ef416fc2 | 3621 | envp[envc ++] = http_user_agent; |
3622 | } | |
3623 | ||
5ec1fd3d | 3624 | if (httpGetField(con->http, HTTP_FIELD_REFERER)[0]) |
f7deaa1a | 3625 | { |
3626 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5ec1fd3d | 3627 | httpGetField(con->http, HTTP_FIELD_REFERER)); |
f7deaa1a | 3628 | envp[envc ++] = http_referer; |
3629 | } | |
3630 | ||
cb7f98ee | 3631 | if (con->operation == HTTP_STATE_GET) |
ef416fc2 | 3632 | { |
ef416fc2 | 3633 | envp[envc ++] = "REQUEST_METHOD=GET"; |
3634 | ||
b86bc4cf | 3635 | if (con->query_string) |
ef416fc2 | 3636 | { |
3637 | /* | |
3638 | * Add GET form variables after ?... | |
3639 | */ | |
3640 | ||
b86bc4cf | 3641 | envp[envc ++] = con->query_string; |
ef416fc2 | 3642 | } |
3dfe78b3 MS |
3643 | else |
3644 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 3645 | } |
3646 | else | |
3647 | { | |
e1d6a774 | 3648 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
3649 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 3650 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5ec1fd3d | 3651 | httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE)); |
ef416fc2 | 3652 | |
3653 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
3654 | envp[envc ++] = content_length; | |
3655 | envp[envc ++] = content_type; | |
3656 | } | |
3657 | ||
3658 | /* | |
3659 | * Tell the CGI if we are using encryption... | |
3660 | */ | |
3661 | ||
d21dc0ed | 3662 | if (httpIsEncrypted(con->http)) |
ef416fc2 | 3663 | envp[envc ++] = "HTTPS=ON"; |
3664 | ||
3665 | /* | |
3666 | * Terminate the environment array... | |
3667 | */ | |
3668 | ||
3669 | envp[envc] = NULL; | |
3670 | ||
38e73f87 | 3671 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 3672 | { |
3673 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
3674 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3675 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 3676 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
3677 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3678 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 3679 | } |
3680 | ||
3681 | /* | |
3682 | * Create a pipe for the output... | |
3683 | */ | |
3684 | ||
3685 | if (cupsdOpenPipe(fds)) | |
3686 | { | |
38e73f87 | 3687 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 3688 | argv[0], strerror(errno)); |
3689 | return (0); | |
3690 | } | |
3691 | ||
3692 | /* | |
3693 | * Then execute the command... | |
3694 | */ | |
3695 | ||
3696 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 3697 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 3698 | { |
3699 | /* | |
3700 | * Error - can't fork! | |
3701 | */ | |
3702 | ||
38e73f87 | 3703 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 3704 | strerror(errno)); |
3705 | ||
3706 | cupsdClosePipe(fds); | |
3707 | pid = 0; | |
3708 | } | |
3709 | else | |
3710 | { | |
3711 | /* | |
3712 | * Fork successful - return the PID... | |
3713 | */ | |
3714 | ||
3715 | if (con->username[0]) | |
0fa6c7fa | 3716 | cupsdAddCert(pid, con->username, con->type); |
ef416fc2 | 3717 | |
38e73f87 | 3718 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 3719 | |
3720 | *outfile = fds[0]; | |
3721 | close(fds[1]); | |
3722 | } | |
3723 | ||
ef416fc2 | 3724 | return (pid); |
3725 | } | |
3726 | ||
3727 | ||
e07d4801 MS |
3728 | /* |
3729 | * 'valid_host()' - Is the Host: field valid? | |
3730 | */ | |
3731 | ||
3732 | static int /* O - 1 if valid, 0 if not */ | |
3733 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
3734 | { | |
3735 | cupsd_alias_t *a; /* Current alias */ | |
3736 | cupsd_netif_t *netif; /* Current network interface */ | |
f2534050 MS |
3737 | const char *end; /* End character */ |
3738 | char *ptr; /* Pointer into host value */ | |
e07d4801 MS |
3739 | |
3740 | ||
f2534050 MS |
3741 | /* |
3742 | * Copy the Host: header for later use... | |
3743 | */ | |
3744 | ||
5ec1fd3d | 3745 | strlcpy(con->clientname, httpGetField(con->http, HTTP_FIELD_HOST), |
f2534050 MS |
3746 | sizeof(con->clientname)); |
3747 | if ((ptr = strrchr(con->clientname, ':')) != NULL && !strchr(ptr, ']')) | |
3748 | { | |
3749 | *ptr++ = '\0'; | |
3750 | con->clientport = atoi(ptr); | |
3751 | } | |
3752 | else | |
3753 | con->clientport = con->serverport; | |
3754 | ||
3755 | /* | |
3756 | * Then validate... | |
3757 | */ | |
e07d4801 | 3758 | |
5ec1fd3d | 3759 | if (httpAddrLocalhost(httpGetAddress(con->http))) |
e07d4801 MS |
3760 | { |
3761 | /* | |
3762 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
3763 | * addresses when accessing CUPS via the loopback interface... | |
3764 | */ | |
3765 | ||
f2534050 MS |
3766 | return (!_cups_strcasecmp(con->clientname, "localhost") || |
3767 | !_cups_strcasecmp(con->clientname, "localhost.") || | |
e07d4801 | 3768 | #ifdef __linux |
f2534050 | 3769 | !_cups_strcasecmp(con->clientname, "localhost.localdomain") || |
e07d4801 | 3770 | #endif /* __linux */ |
f2534050 MS |
3771 | !strcmp(con->clientname, "127.0.0.1") || |
3772 | !strcmp(con->clientname, "[::1]")); | |
e07d4801 MS |
3773 | } |
3774 | ||
37e7e6e0 | 3775 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3776 | /* |
3777 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
3778 | */ | |
3779 | ||
f2534050 MS |
3780 | if ((end = strrchr(con->clientname, '.')) != NULL && end > con->clientname && |
3781 | !end[1]) | |
a29fd7dd MS |
3782 | { |
3783 | /* | |
3784 | * "." on end, work back to second-to-last "."... | |
3785 | */ | |
f2534050 MS |
3786 | |
3787 | for (end --; end > con->clientname && *end != '.'; end --); | |
a29fd7dd MS |
3788 | } |
3789 | ||
3790 | if (end && (!_cups_strcasecmp(end, ".local") || | |
f2534050 | 3791 | !_cups_strcasecmp(end, ".local."))) |
e07d4801 | 3792 | return (1); |
37e7e6e0 | 3793 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3794 | |
3795 | /* | |
3796 | * Check if the hostname is an IP address... | |
3797 | */ | |
3798 | ||
f2534050 | 3799 | if (isdigit(con->clientname[0] & 255) || con->clientname[0] == '[') |
e07d4801 MS |
3800 | { |
3801 | /* | |
3802 | * Possible IPv4/IPv6 address... | |
3803 | */ | |
3804 | ||
e07d4801 MS |
3805 | http_addrlist_t *addrlist; /* List of addresses */ |
3806 | ||
3807 | ||
f2534050 | 3808 | if ((addrlist = httpAddrGetList(con->clientname, AF_UNSPEC, NULL)) != NULL) |
e07d4801 MS |
3809 | { |
3810 | /* | |
3811 | * Good IPv4/IPv6 address... | |
3812 | */ | |
3813 | ||
3814 | httpAddrFreeList(addrlist); | |
3815 | return (1); | |
3816 | } | |
3817 | } | |
3818 | ||
3819 | /* | |
3820 | * Check for (alias) name matches... | |
3821 | */ | |
3822 | ||
3823 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
3824 | a; | |
3825 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
3826 | { | |
3827 | /* | |
3828 | * "ServerAlias *" allows all host values through... | |
3829 | */ | |
3830 | ||
3831 | if (!strcmp(a->name, "*")) | |
3832 | return (1); | |
3833 | ||
f2534050 | 3834 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3835 | { |
3836 | /* | |
f2534050 | 3837 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3838 | */ |
3839 | ||
f2534050 | 3840 | end = con->clientname + a->namelen; |
e07d4801 | 3841 | |
f2534050 | 3842 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3843 | return (1); |
3844 | } | |
3845 | } | |
3846 | ||
37e7e6e0 | 3847 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3848 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); |
3849 | a; | |
3850 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
3851 | { | |
3852 | /* | |
3853 | * "ServerAlias *" allows all host values through... | |
3854 | */ | |
3855 | ||
3856 | if (!strcmp(a->name, "*")) | |
3857 | return (1); | |
3858 | ||
f2534050 | 3859 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3860 | { |
3861 | /* | |
f2534050 | 3862 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3863 | */ |
3864 | ||
f2534050 | 3865 | end = con->clientname + a->namelen; |
e07d4801 | 3866 | |
f2534050 | 3867 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3868 | return (1); |
3869 | } | |
3870 | } | |
37e7e6e0 | 3871 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3872 | |
3873 | /* | |
3874 | * Check for interface hostname matches... | |
3875 | */ | |
3876 | ||
3877 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
3878 | netif; | |
3879 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
3880 | { | |
f2534050 | 3881 | if (!_cups_strncasecmp(con->clientname, netif->hostname, netif->hostlen)) |
e07d4801 MS |
3882 | { |
3883 | /* | |
f2534050 | 3884 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3885 | */ |
3886 | ||
f2534050 | 3887 | end = con->clientname + netif->hostlen; |
e07d4801 | 3888 | |
f2534050 | 3889 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3890 | return (1); |
3891 | } | |
3892 | } | |
3893 | ||
3894 | return (0); | |
3895 | } | |
3896 | ||
3897 | ||
ef416fc2 | 3898 | /* |
a74454a7 | 3899 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 3900 | */ |
3901 | ||
3902 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 3903 | write_file(cupsd_client_t *con, /* I - Client connection */ |
3904 | http_status_t code, /* I - HTTP status */ | |
3905 | char *filename, /* I - Filename */ | |
3906 | char *type, /* I - File type */ | |
3907 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 3908 | { |
3909 | con->file = open(filename, O_RDONLY); | |
3910 | ||
996acce8 MS |
3911 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3912 | "write_file code=%d, filename=\"%s\" (%d), " | |
3913 | "type=\"%s\", filestats=%p", | |
3914 | code, filename, con->file, type ? type : "(null)", filestats); | |
e1d6a774 | 3915 | |
3916 | if (con->file < 0) | |
3917 | return (0); | |
3918 | ||
3919 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
3920 | ||
3921 | con->pipe_pid = 0; | |
3922 | ||
a73ca01e MS |
3923 | httpClearFields(con->http); |
3924 | ||
e200616a | 3925 | httpSetLength(con->http, filestats->st_size); |
e1d6a774 | 3926 | |
e200616a MS |
3927 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
3928 | httpGetDateString(filestats->st_mtime)); | |
e1d6a774 | 3929 | |
e200616a | 3930 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
07725fee | 3931 | return (0); |
d09495fa | 3932 | |
996acce8 | 3933 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
f7deaa1a | 3934 | (cupsd_selfunc_t)cupsdWriteClient, con); |
e1d6a774 | 3935 | |
996acce8 | 3936 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending file."); |
1bc82dd9 | 3937 | |
e1d6a774 | 3938 | return (1); |
3939 | } | |
3940 | ||
3941 | ||
3942 | /* | |
f899b121 | 3943 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
3944 | */ | |
3945 | ||
3946 | static void | |
3947 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
3948 | { | |
996acce8 MS |
3949 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe CGI output on fd %d", |
3950 | con->file); | |
f899b121 | 3951 | |
3952 | con->file_ready = 1; | |
3953 | ||
3954 | cupsdRemoveSelect(con->file); | |
996acce8 | 3955 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
1bc82dd9 | 3956 | |
996acce8 | 3957 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent."); |
f899b121 | 3958 | } |
3959 | ||
3960 | ||
3961 | /* | |
f2d18633 | 3962 | * End of "$Id$". |
ef416fc2 | 3963 | */ |