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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 MS |
23 | #define _CUPS_NO_DEPRECATED |
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 | |
85dda01c MS |
35 | /* |
36 | * Local globals... | |
37 | */ | |
38 | ||
85dda01c MS |
39 | static const char * const ipp_states[] = |
40 | { /* IPP state strings */ | |
41 | "IPP_IDLE", | |
42 | "IPP_HEADER", | |
43 | "IPP_ATTRIBUTE", | |
5ec1fd3d | 44 | "IPP_STATE_DATA" |
85dda01c MS |
45 | }; |
46 | ||
47 | ||
ef416fc2 | 48 | /* |
49 | * Local functions... | |
50 | */ | |
51 | ||
52 | static int check_if_modified(cupsd_client_t *con, | |
53 | struct stat *filestats); | |
3dfe78b3 MS |
54 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
55 | void *data); | |
f7deaa1a | 56 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 57 | char *filename, int len); |
c41769ff | 58 | static http_status_t install_cupsd_conf(cupsd_client_t *con); |
e1d6a774 | 59 | static int is_cgi(cupsd_client_t *con, const char *filename, |
60 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 61 | static int is_path_absolute(const char *path); |
62 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, | |
63 | char *command, char *options, int root); | |
e07d4801 | 64 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 65 | static int write_file(cupsd_client_t *con, http_status_t code, |
66 | char *filename, char *type, | |
67 | struct stat *filestats); | |
f899b121 | 68 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 69 | |
70 | ||
71 | /* | |
72 | * 'cupsdAcceptClient()' - Accept a new client. | |
73 | */ | |
74 | ||
75 | void | |
76 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
77 | { | |
48bd1142 | 78 | const char *hostname; /* Hostname of client */ |
996acce8 | 79 | char name[256]; /* Hostname of client */ |
ef416fc2 | 80 | int count; /* Count of connections on a host */ |
bd7854cb | 81 | cupsd_client_t *con, /* New client pointer */ |
82 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 83 | socklen_t addrlen; /* Length of address */ |
ef416fc2 | 84 | http_addr_t temp; /* Temporary address variable */ |
85 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
86 | #ifdef HAVE_TCPD_H |
87 | struct request_info wrap_req; /* TCP wrappers request information */ | |
88 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 89 | |
90 | ||
91 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 | 92 | "cupsdAcceptClient(lis=%p(%d)) Clients=%d", |
bd7854cb | 93 | lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 94 | |
95 | /* | |
96 | * Make sure we don't have a full set of clients already... | |
97 | */ | |
98 | ||
bd7854cb | 99 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 100 | return; |
101 | ||
102 | /* | |
103 | * Get a pointer to the next available client... | |
104 | */ | |
105 | ||
bd7854cb | 106 | if (!Clients) |
107 | Clients = cupsArrayNew(NULL, NULL); | |
108 | ||
109 | if (!Clients) | |
91c84a35 MS |
110 | { |
111 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
112 | "Unable to allocate memory for clients array!"); |
113 | cupsdPauseListening(); | |
114 | return; | |
115 | } | |
116 | ||
117 | if (!ActiveClients) | |
118 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
119 | ||
120 | if (!ActiveClients) | |
121 | { | |
122 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
123 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 124 | cupsdPauseListening(); |
bd7854cb | 125 | return; |
91c84a35 | 126 | } |
bd7854cb | 127 | |
91c84a35 MS |
128 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
129 | { | |
130 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
131 | cupsdPauseListening(); | |
132 | return; | |
133 | } | |
ef416fc2 | 134 | |
ef416fc2 | 135 | /* |
136 | * Accept the client and get the remote address... | |
137 | */ | |
138 | ||
996acce8 MS |
139 | con->number = ++ LastClientNumber; |
140 | con->file = -1; | |
ef416fc2 | 141 | |
996acce8 | 142 | if ((con->http = httpAcceptConnection(lis->fd, 0)) == NULL) |
ef416fc2 | 143 | { |
76cd9e37 MS |
144 | if (errno == ENFILE || errno == EMFILE) |
145 | cupsdPauseListening(); | |
146 | ||
ef416fc2 | 147 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
148 | strerror(errno)); | |
bd7854cb | 149 | free(con); |
76cd9e37 | 150 | |
ef416fc2 | 151 | return; |
152 | } | |
153 | ||
22c9029b | 154 | /* |
996acce8 | 155 | * Save the connected address and port number... |
22c9029b | 156 | */ |
ef416fc2 | 157 | |
996acce8 | 158 | con->clientaddr = lis->address; |
ef416fc2 | 159 | |
996acce8 MS |
160 | #if 0 /* ifdef AF_INET6 */ |
161 | /* FIXME: I don't believe this is recommended any longer, and we specifically | |
162 | * disable IPv4-over-IPv6 when we listen... | |
163 | */ | |
22c9029b MS |
164 | /* |
165 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
166 | * can more easily use... | |
167 | */ | |
ef416fc2 | 168 | |
22c9029b | 169 | if (lis->address.addr.sa_family == AF_INET6 && |
5ec1fd3d MS |
170 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[0] == 0 && |
171 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
172 | ntohl(httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
173 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2] = 0; | |
ef416fc2 | 174 | #endif /* AF_INET6 */ |
ef416fc2 | 175 | |
176 | /* | |
177 | * Check the number of clients on the same address... | |
178 | */ | |
179 | ||
bd7854cb | 180 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
181 | tempcon; | |
182 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 183 | if (httpAddrEqual(httpGetAddress(tempcon->http), httpGetAddress(con->http))) |
ef416fc2 | 184 | { |
185 | count ++; | |
186 | if (count >= MaxClientsPerHost) | |
187 | break; | |
188 | } | |
189 | ||
190 | if (count >= MaxClientsPerHost) | |
191 | { | |
192 | if ((time(NULL) - last_dos) >= 60) | |
193 | { | |
194 | last_dos = time(NULL); | |
195 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 196 | "Possible DoS attack - more than %d clients connecting " |
996acce8 | 197 | "from %s.", |
749b1e90 | 198 | MaxClientsPerHost, |
996acce8 | 199 | httpGetHostname(con->http, name, sizeof(name))); |
ef416fc2 | 200 | } |
201 | ||
996acce8 | 202 | httpClose(con->http); |
bd7854cb | 203 | free(con); |
ef416fc2 | 204 | return; |
205 | } | |
206 | ||
207 | /* | |
208 | * Get the hostname or format the IP address as needed... | |
209 | */ | |
210 | ||
48bd1142 MS |
211 | if (HostNameLookups) |
212 | hostname = httpResolveHostname(con->http, NULL, 0); | |
ef416fc2 | 213 | else |
48bd1142 | 214 | hostname = httpGetHostname(con->http, NULL, 0); |
ef416fc2 | 215 | |
216 | if (hostname == NULL && HostNameLookups == 2) | |
217 | { | |
218 | /* | |
219 | * Can't have an unresolved IP address with double-lookups enabled... | |
220 | */ | |
221 | ||
996acce8 | 222 | httpClose(con->http); |
ef416fc2 | 223 | |
996acce8 | 224 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 225 | "Name lookup failed - connection from %s closed!", |
5ec1fd3d | 226 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 227 | |
228 | free(con); | |
ef416fc2 | 229 | return; |
230 | } | |
231 | ||
232 | if (HostNameLookups == 2) | |
233 | { | |
234 | /* | |
235 | * Do double lookups as needed... | |
236 | */ | |
237 | ||
48bd1142 MS |
238 | http_addrlist_t *addrlist, /* List of addresses */ |
239 | *addr; /* Current address */ | |
240 | ||
241 | if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, NULL)) != NULL) | |
ef416fc2 | 242 | { |
243 | /* | |
244 | * See if the hostname maps to the same IP address... | |
245 | */ | |
246 | ||
247 | for (addr = addrlist; addr; addr = addr->next) | |
5ec1fd3d | 248 | if (httpAddrEqual(httpGetAddress(con->http), &(addr->addr))) |
ef416fc2 | 249 | break; |
250 | } | |
251 | else | |
252 | addr = NULL; | |
253 | ||
254 | httpAddrFreeList(addrlist); | |
255 | ||
256 | if (!addr) | |
257 | { | |
258 | /* | |
259 | * Can't have a hostname that doesn't resolve to the same IP address | |
260 | * with double-lookups enabled... | |
261 | */ | |
262 | ||
996acce8 | 263 | httpClose(con->http); |
ef416fc2 | 264 | |
996acce8 | 265 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 266 | "IP lookup failed - connection from %s closed!", |
5ec1fd3d | 267 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 268 | free(con); |
ef416fc2 | 269 | return; |
270 | } | |
271 | } | |
272 | ||
749b1e90 MS |
273 | #ifdef HAVE_TCPD_H |
274 | /* | |
275 | * See if the connection is denied by TCP wrappers... | |
276 | */ | |
277 | ||
996acce8 MS |
278 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, httpGetFd(con->http), |
279 | NULL); | |
749b1e90 MS |
280 | fromhost(&wrap_req); |
281 | ||
282 | if (!hosts_access(&wrap_req)) | |
283 | { | |
996acce8 | 284 | httpClose(con->http); |
749b1e90 | 285 | |
996acce8 | 286 | cupsdLogClient(con, CUPSD_LOG_WARN, |
749b1e90 | 287 | "Connection from %s refused by /etc/hosts.allow and " |
5ec1fd3d | 288 | "/etc/hosts.deny rules.", httpGetHostname(con->http, NULL, 0)); |
749b1e90 MS |
289 | free(con); |
290 | return; | |
291 | } | |
292 | #endif /* HAVE_TCPD_H */ | |
293 | ||
ef416fc2 | 294 | #ifdef AF_LOCAL |
5ec1fd3d | 295 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
cb7f98ee MS |
296 | { |
297 | # ifdef __APPLE__ | |
298 | socklen_t peersize; /* Size of peer credentials */ | |
299 | pid_t peerpid; /* Peer process ID */ | |
996acce8 | 300 | char peername[256]; /* Name of process */ |
cb7f98ee MS |
301 | |
302 | peersize = sizeof(peerpid); | |
996acce8 MS |
303 | if (!getsockopt(con->number, SOL_LOCAL, LOCAL_PEERPID, &peerpid, |
304 | &peersize)) | |
cb7f98ee | 305 | { |
996acce8 MS |
306 | if (!proc_name(peerpid, peername, sizeof(peername))) |
307 | cupsdLogClient(con, CUPSD_LOG_DEBUG, | |
308 | "Accepted from %s (Domain ???[%d])", | |
5ec1fd3d | 309 | httpGetHostname(con->http, NULL, 0), (int)peerpid); |
cb7f98ee | 310 | else |
996acce8 MS |
311 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
312 | "Accepted from %s (Domain %s[%d])", | |
5ec1fd3d | 313 | httpGetHostname(con->http, NULL, 0), name, (int)peerpid); |
cb7f98ee MS |
314 | } |
315 | else | |
316 | # endif /* __APPLE__ */ | |
317 | ||
996acce8 | 318 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s (Domain)", |
5ec1fd3d | 319 | httpGetHostname(con->http, NULL, 0)); |
cb7f98ee | 320 | } |
ef416fc2 | 321 | else |
322 | #endif /* AF_LOCAL */ | |
996acce8 | 323 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s:%d (IPv%d)", |
5ec1fd3d MS |
324 | httpGetHostname(con->http, NULL, 0), |
325 | httpAddrPort(httpGetAddress(con->http)), | |
326 | httpAddrFamily(httpGetAddress(con->http)) == AF_INET ? 4 : 6); | |
ef416fc2 | 327 | |
328 | /* | |
329 | * Get the local address the client connected to... | |
330 | */ | |
331 | ||
332 | addrlen = sizeof(temp); | |
996acce8 | 333 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&temp, &addrlen)) |
ef416fc2 | 334 | { |
996acce8 MS |
335 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get local address - %s", |
336 | strerror(errno)); | |
ef416fc2 | 337 | |
5a9febac | 338 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
ef416fc2 | 339 | con->serverport = LocalPort; |
340 | } | |
22c9029b | 341 | #ifdef AF_LOCAL |
5ec1fd3d | 342 | else if (httpAddrFamily(&temp) == AF_LOCAL) |
22c9029b | 343 | { |
5a9febac | 344 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
22c9029b MS |
345 | con->serverport = LocalPort; |
346 | } | |
347 | #endif /* AF_LOCAL */ | |
ef416fc2 | 348 | else |
349 | { | |
22c9029b MS |
350 | if (httpAddrLocalhost(&temp)) |
351 | strlcpy(con->servername, "localhost", sizeof(con->servername)); | |
6961465f | 352 | else if (HostNameLookups) |
22c9029b | 353 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
ef416fc2 | 354 | else |
22c9029b | 355 | httpAddrString(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e | 356 | |
a469f8a5 | 357 | con->serverport = httpAddrPort(&(lis->address)); |
ef416fc2 | 358 | } |
359 | ||
dcb445bc MS |
360 | /* |
361 | * Add the connection to the array of active clients... | |
362 | */ | |
363 | ||
bd7854cb | 364 | cupsArrayAdd(Clients, con); |
365 | ||
ef416fc2 | 366 | /* |
b9faaae1 | 367 | * Add the socket to the server select. |
ef416fc2 | 368 | */ |
369 | ||
996acce8 MS |
370 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, |
371 | con); | |
ef416fc2 | 372 | |
996acce8 | 373 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 374 | |
ef416fc2 | 375 | /* |
376 | * Temporarily suspend accept()'s until we lose a client... | |
377 | */ | |
378 | ||
bd7854cb | 379 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 380 | cupsdPauseListening(); |
381 | ||
382 | #ifdef HAVE_SSL | |
383 | /* | |
384 | * See if we are connecting on a secure port... | |
385 | */ | |
386 | ||
5ec1fd3d | 387 | if (lis->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 388 | { |
389 | /* | |
390 | * https connection; go secure... | |
391 | */ | |
392 | ||
82cc1f9a | 393 | if (!cupsdStartTLS(con)) |
411affcf | 394 | cupsdCloseClient(con); |
ef416fc2 | 395 | } |
396 | else | |
397 | con->auto_ssl = 1; | |
398 | #endif /* HAVE_SSL */ | |
399 | } | |
400 | ||
401 | ||
402 | /* | |
403 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
404 | */ | |
405 | ||
406 | void | |
407 | cupsdCloseAllClients(void) | |
408 | { | |
bd7854cb | 409 | cupsd_client_t *con; /* Current client */ |
410 | ||
411 | ||
b9faaae1 MS |
412 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", |
413 | cupsArrayCount(Clients)); | |
414 | ||
bd7854cb | 415 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
416 | con; | |
417 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
49d87452 MS |
418 | if (cupsdCloseClient(con)) |
419 | cupsdCloseClient(con); | |
ef416fc2 | 420 | } |
421 | ||
422 | ||
423 | /* | |
424 | * 'cupsdCloseClient()' - Close a remote client. | |
425 | */ | |
426 | ||
427 | int /* O - 1 if partial close, 0 if fully closed */ | |
428 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
429 | { | |
430 | int partial; /* Do partial close for SSL? */ | |
431 | #ifdef HAVE_LIBSSL | |
ef416fc2 | 432 | #elif defined(HAVE_GNUTLS) |
89d46774 | 433 | # elif defined(HAVE_CDSASSL) |
ef416fc2 | 434 | #endif /* HAVE_LIBSSL */ |
435 | ||
436 | ||
996acce8 | 437 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing connection."); |
ef416fc2 | 438 | |
439 | /* | |
440 | * Flush pending writes before closing... | |
441 | */ | |
442 | ||
996acce8 | 443 | httpFlushWrite(con->http); |
ef416fc2 | 444 | |
445 | partial = 0; | |
446 | ||
ef416fc2 | 447 | if (con->pipe_pid != 0) |
448 | { | |
449 | /* | |
450 | * Stop any CGI process... | |
451 | */ | |
452 | ||
ef416fc2 | 453 | cupsdEndProcess(con->pipe_pid, 1); |
454 | con->pipe_pid = 0; | |
455 | } | |
456 | ||
457 | if (con->file >= 0) | |
458 | { | |
f7deaa1a | 459 | cupsdRemoveSelect(con->file); |
ef416fc2 | 460 | |
ef416fc2 | 461 | close(con->file); |
462 | con->file = -1; | |
463 | } | |
464 | ||
465 | /* | |
466 | * Close the socket and clear the file from the input set for select()... | |
467 | */ | |
468 | ||
996acce8 | 469 | if (httpGetFd(con->http) >= 0) |
ef416fc2 | 470 | { |
3dfe78b3 MS |
471 | cupsArrayRemove(ActiveClients, con); |
472 | cupsdSetBusyState(); | |
473 | ||
5ec1fd3d MS |
474 | #ifdef HAVE_SSL |
475 | /* | |
476 | * Shutdown encryption as needed... | |
477 | */ | |
478 | ||
479 | if (httpIsEncrypted(con->http)) | |
480 | partial = 1; | |
481 | #endif /* HAVE_SSL */ | |
482 | ||
ef416fc2 | 483 | if (partial) |
484 | { | |
485 | /* | |
486 | * Only do a partial close so that the encrypted client gets everything. | |
487 | */ | |
488 | ||
5ec1fd3d | 489 | httpShutdown(con->http); |
996acce8 MS |
490 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
491 | NULL, con); | |
1bc82dd9 | 492 | |
996acce8 | 493 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for socket close."); |
ef416fc2 | 494 | } |
495 | else | |
496 | { | |
497 | /* | |
498 | * Shut the socket down fully... | |
499 | */ | |
500 | ||
996acce8 MS |
501 | cupsdRemoveSelect(httpGetFd(con->http)); |
502 | httpClose(con->http); | |
503 | con->http = NULL; | |
ef416fc2 | 504 | } |
505 | } | |
506 | ||
507 | if (!partial) | |
508 | { | |
509 | /* | |
510 | * Free memory... | |
511 | */ | |
512 | ||
5ec1fd3d MS |
513 | cupsdRemoveSelect(httpGetFd(con->http)); |
514 | ||
996acce8 | 515 | httpClose(con->http); |
ef416fc2 | 516 | |
517 | cupsdClearString(&con->filename); | |
518 | cupsdClearString(&con->command); | |
519 | cupsdClearString(&con->options); | |
b86bc4cf | 520 | cupsdClearString(&con->query_string); |
ef416fc2 | 521 | |
522 | if (con->request) | |
523 | { | |
524 | ippDelete(con->request); | |
525 | con->request = NULL; | |
526 | } | |
527 | ||
528 | if (con->response) | |
529 | { | |
530 | ippDelete(con->response); | |
531 | con->response = NULL; | |
532 | } | |
533 | ||
534 | if (con->language) | |
535 | { | |
536 | cupsLangFree(con->language); | |
537 | con->language = NULL; | |
538 | } | |
539 | ||
f7deaa1a | 540 | #ifdef HAVE_AUTHORIZATION_H |
541 | if (con->authref) | |
542 | { | |
543 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
544 | con->authref = NULL; | |
545 | } | |
546 | #endif /* HAVE_AUTHORIZATION_H */ | |
547 | ||
ef416fc2 | 548 | /* |
549 | * Re-enable new client connections if we are going back under the | |
550 | * limit... | |
551 | */ | |
552 | ||
bd7854cb | 553 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 554 | cupsdResumeListening(); |
555 | ||
556 | /* | |
557 | * Compact the list of clients as necessary... | |
558 | */ | |
559 | ||
bd7854cb | 560 | cupsArrayRemove(Clients, con); |
ef416fc2 | 561 | |
bd7854cb | 562 | free(con); |
ef416fc2 | 563 | } |
564 | ||
565 | return (partial); | |
566 | } | |
567 | ||
568 | ||
d09495fa | 569 | /* |
570 | * 'cupsdFlushHeader()' - Flush the header fields to the client. | |
571 | */ | |
572 | ||
07725fee | 573 | int /* I - Bytes written or -1 on error */ |
d09495fa | 574 | cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */ |
575 | { | |
996acce8 | 576 | int bytes = httpFlushWrite(con->http); |
d09495fa | 577 | |
996acce8 MS |
578 | // TODO: Need to use httpSendResponse |
579 | con->http->data_encoding = HTTP_ENCODING_LENGTH; | |
07725fee | 580 | |
581 | return (bytes); | |
d09495fa | 582 | } |
583 | ||
584 | ||
ef416fc2 | 585 | /* |
586 | * 'cupsdReadClient()' - Read data from a client. | |
587 | */ | |
588 | ||
f7deaa1a | 589 | void |
ef416fc2 | 590 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
591 | { | |
592 | char line[32768], /* Line from client... */ | |
593 | operation[64], /* Operation code from socket */ | |
594 | version[64], /* HTTP version number string */ | |
595 | locale[64], /* Locale */ | |
596 | *ptr; /* Pointer into strings */ | |
597 | int major, minor; /* HTTP version numbers */ | |
598 | http_status_t status; /* Transfer status */ | |
599 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
600 | int bytes; /* Number of bytes to POST */ | |
601 | char *filename; /* Name of file for GET/HEAD */ | |
602 | char buf[1024]; /* Buffer for real filename */ | |
603 | struct stat filestats; /* File information */ | |
604 | mime_type_t *type; /* MIME type of file */ | |
605 | cupsd_printer_t *p; /* Printer */ | |
606 | static unsigned request_id = 0; /* Request ID for temp files */ | |
607 | ||
608 | ||
5ec1fd3d | 609 | status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 610 | |
996acce8 MS |
611 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
612 | "cupsdReadClient " | |
613 | "error=%d, " | |
614 | "used=%d, " | |
615 | "state=%s, " | |
616 | "data_encoding=HTTP_ENCODING_%s, " | |
617 | "data_remaining=" CUPS_LLFMT ", " | |
618 | "request=%p(%s), " | |
619 | "file=%d", | |
5ec1fd3d MS |
620 | httpError(con->http), (int)httpGetReady(con->http), |
621 | httpStateString(httpGetState(con->http)), | |
622 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", | |
623 | CUPS_LLCAST httpGetRemaining(con->http), | |
996acce8 MS |
624 | con->request, |
625 | con->request ? ipp_states[con->request->state] : "", | |
626 | con->file); | |
ef416fc2 | 627 | |
ef416fc2 | 628 | #ifdef HAVE_SSL |
629 | if (con->auto_ssl) | |
630 | { | |
631 | /* | |
632 | * Automatically check for a SSL/TLS handshake... | |
633 | */ | |
634 | ||
635 | con->auto_ssl = 0; | |
636 | ||
996acce8 | 637 | if (recv(httpGetFd(con->http), buf, 1, MSG_PEEK) == 1 && |
ef416fc2 | 638 | (!buf[0] || !strchr("DGHOPT", buf[0]))) |
639 | { | |
640 | /* | |
641 | * Encrypt this connection... | |
642 | */ | |
643 | ||
996acce8 MS |
644 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
645 | "Saw first byte %02X, auto-negotiating " | |
646 | "SSL/TLS session.", buf[0] & 255); | |
ef416fc2 | 647 | |
82cc1f9a | 648 | if (!cupsdStartTLS(con)) |
f7deaa1a | 649 | cupsdCloseClient(con); |
411affcf | 650 | |
f7deaa1a | 651 | return; |
ef416fc2 | 652 | } |
653 | } | |
654 | #endif /* HAVE_SSL */ | |
655 | ||
5ec1fd3d | 656 | switch (httpGetState(con->http)) |
ef416fc2 | 657 | { |
cb7f98ee | 658 | case HTTP_STATE_WAITING : |
ef416fc2 | 659 | /* |
660 | * See if we've received a request line... | |
661 | */ | |
662 | ||
996acce8 | 663 | if (httpGets(line, sizeof(line) - 1, con->http) == NULL) |
ef416fc2 | 664 | { |
5ec1fd3d | 665 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
666 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
667 | "HTTP_STATE_WAITING Closing for error %d (%s)", | |
5ec1fd3d | 668 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 669 | else |
996acce8 MS |
670 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
671 | "HTTP_STATE_WAITING Closing on EOF."); | |
f11a948a | 672 | |
f7deaa1a | 673 | cupsdCloseClient(con); |
674 | return; | |
ef416fc2 | 675 | } |
676 | ||
677 | /* | |
678 | * Ignore blank request lines... | |
679 | */ | |
680 | ||
681 | if (line[0] == '\0') | |
682 | break; | |
683 | ||
684 | /* | |
685 | * Clear other state variables... | |
686 | */ | |
687 | ||
996acce8 | 688 | httpClearFields(con->http); |
ef416fc2 | 689 | |
996acce8 | 690 | con->http->activity = time(NULL); |
5ec1fd3d MS |
691 | con->http->version = HTTP_VERSION_1_0; |
692 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
996acce8 MS |
693 | con->http->data_encoding = HTTP_ENCODING_LENGTH; |
694 | con->http->data_remaining = 0; | |
695 | con->http->_data_remaining = 0; | |
cb7f98ee | 696 | con->operation = HTTP_STATE_WAITING; |
ef416fc2 | 697 | con->bytes = 0; |
698 | con->file = -1; | |
699 | con->file_ready = 0; | |
700 | con->pipe_pid = 0; | |
701 | con->username[0] = '\0'; | |
702 | con->password[0] = '\0'; | |
703 | con->uri[0] = '\0'; | |
704 | ||
705 | cupsdClearString(&con->command); | |
706 | cupsdClearString(&con->options); | |
b86bc4cf | 707 | cupsdClearString(&con->query_string); |
ef416fc2 | 708 | |
2abf387c | 709 | if (con->request) |
710 | { | |
711 | ippDelete(con->request); | |
712 | con->request = NULL; | |
713 | } | |
714 | ||
715 | if (con->response) | |
716 | { | |
717 | ippDelete(con->response); | |
718 | con->response = NULL; | |
719 | } | |
720 | ||
721 | if (con->language) | |
ef416fc2 | 722 | { |
723 | cupsLangFree(con->language); | |
724 | con->language = NULL; | |
725 | } | |
726 | ||
09a101d6 | 727 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 728 | con->have_gss = 0; |
07ed0e9a | 729 | con->gss_uid = 0; |
09a101d6 | 730 | #endif /* HAVE_GSSAPI */ |
731 | ||
ef416fc2 | 732 | /* |
733 | * Grab the request line... | |
734 | */ | |
735 | ||
736 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) | |
737 | { | |
738 | case 1 : | |
c934a06c MS |
739 | if (line[0]) |
740 | { | |
996acce8 MS |
741 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
742 | "Bad request line \"%s\" from %s.", | |
743 | _httpEncodeURI(buf, line, sizeof(buf)), | |
5ec1fd3d MS |
744 | httpGetHostname(con->http, NULL, 0)); |
745 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); | |
c934a06c MS |
746 | cupsdCloseClient(con); |
747 | } | |
f7deaa1a | 748 | return; |
ef416fc2 | 749 | case 2 : |
5ec1fd3d | 750 | con->http->version = HTTP_VERSION_0_9; |
ef416fc2 | 751 | break; |
752 | case 3 : | |
753 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
754 | { | |
996acce8 MS |
755 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
756 | "Bad request line \"%s\" from %s.", | |
757 | _httpEncodeURI(buf, line, sizeof(buf)), | |
5ec1fd3d MS |
758 | httpGetHostname(con->http, NULL, 0)); |
759 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); | |
f7deaa1a | 760 | cupsdCloseClient(con); |
761 | return; | |
ef416fc2 | 762 | } |
763 | ||
764 | if (major < 2) | |
765 | { | |
996acce8 | 766 | con->http->version = (http_version_t)(major * 100 + minor); |
5ec1fd3d MS |
767 | if (con->http->version == HTTP_VERSION_1_1 && KeepAlive) |
768 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); | |
ef416fc2 | 769 | else |
5ec1fd3d | 770 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 771 | } |
772 | else | |
773 | { | |
996acce8 MS |
774 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
775 | "Unsupported request line \"%s\" from %s.", | |
776 | _httpEncodeURI(buf, line, sizeof(buf)), | |
5ec1fd3d MS |
777 | httpGetHostname(con->http, NULL, 0)); |
778 | cupsdSendError(con, HTTP_STATUS_NOT_SUPPORTED, CUPSD_AUTH_NONE); | |
f7deaa1a | 779 | cupsdCloseClient(con); |
780 | return; | |
ef416fc2 | 781 | } |
782 | break; | |
783 | } | |
784 | ||
785 | /* | |
786 | * Handle full URLs in the request line... | |
787 | */ | |
788 | ||
789 | if (strcmp(con->uri, "*")) | |
790 | { | |
e6013cfa | 791 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 792 | userpass[HTTP_MAX_URI], /* Username:password */ |
793 | hostname[HTTP_MAX_URI], /* Hostname */ | |
794 | resource[HTTP_MAX_URI]; /* Resource path */ | |
795 | int port; /* Port number */ | |
796 | ||
797 | ||
798 | /* | |
799 | * Separate the URI into its components... | |
800 | */ | |
801 | ||
a4d04587 | 802 | httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
e6013cfa | 803 | scheme, sizeof(scheme), |
ef416fc2 | 804 | userpass, sizeof(userpass), |
805 | hostname, sizeof(hostname), &port, | |
806 | resource, sizeof(resource)); | |
807 | ||
808 | /* | |
809 | * Only allow URIs with the servername, localhost, or an IP | |
810 | * address... | |
811 | */ | |
812 | ||
e6013cfa | 813 | if (strcmp(scheme, "file") && |
88f9aafc MS |
814 | _cups_strcasecmp(hostname, ServerName) && |
815 | _cups_strcasecmp(hostname, "localhost") && | |
e6013cfa | 816 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 817 | { |
818 | /* | |
819 | * Nope, we don't do proxies... | |
820 | */ | |
821 | ||
996acce8 MS |
822 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", |
823 | con->uri); | |
5ec1fd3d | 824 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 825 | cupsdCloseClient(con); |
826 | return; | |
ef416fc2 | 827 | } |
828 | ||
829 | /* | |
830 | * Copy the resource portion back into the URI; both resource and | |
831 | * con->uri are HTTP_MAX_URI bytes in size... | |
832 | */ | |
833 | ||
5a9febac | 834 | strlcpy(con->uri, resource, sizeof(con->uri)); |
ef416fc2 | 835 | } |
836 | ||
837 | /* | |
838 | * Process the request... | |
839 | */ | |
840 | ||
841 | if (!strcmp(operation, "GET")) | |
996acce8 | 842 | con->http->state = HTTP_STATE_GET; |
ef416fc2 | 843 | else if (!strcmp(operation, "PUT")) |
996acce8 | 844 | con->http->state = HTTP_STATE_PUT; |
ef416fc2 | 845 | else if (!strcmp(operation, "POST")) |
996acce8 | 846 | con->http->state = HTTP_STATE_POST; |
ef416fc2 | 847 | else if (!strcmp(operation, "DELETE")) |
996acce8 | 848 | con->http->state = HTTP_STATE_DELETE; |
ef416fc2 | 849 | else if (!strcmp(operation, "TRACE")) |
996acce8 | 850 | con->http->state = HTTP_STATE_TRACE; |
ef416fc2 | 851 | else if (!strcmp(operation, "OPTIONS")) |
996acce8 | 852 | con->http->state = HTTP_STATE_OPTIONS; |
ef416fc2 | 853 | else if (!strcmp(operation, "HEAD")) |
996acce8 | 854 | con->http->state = HTTP_STATE_HEAD; |
ef416fc2 | 855 | else |
856 | { | |
996acce8 MS |
857 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad operation \"%s\".", |
858 | operation); | |
5ec1fd3d | 859 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 860 | cupsdCloseClient(con); |
861 | return; | |
ef416fc2 | 862 | } |
863 | ||
dfd5680b | 864 | gettimeofday(&(con->start), NULL); |
5ec1fd3d | 865 | con->operation = httpGetState(con->http); |
ef416fc2 | 866 | |
996acce8 MS |
867 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%s %s HTTP/%d.%d", |
868 | operation, con->uri, con->http->version / 100, | |
869 | con->http->version % 100); | |
ef416fc2 | 870 | |
5ec1fd3d | 871 | con->http->status = HTTP_STATUS_OK; |
ef416fc2 | 872 | |
49d87452 MS |
873 | if (!cupsArrayFind(ActiveClients, con)) |
874 | { | |
875 | cupsArrayAdd(ActiveClients, con); | |
876 | cupsdSetBusyState(); | |
877 | } | |
3dfe78b3 | 878 | |
cb7f98ee MS |
879 | case HTTP_STATE_OPTIONS : |
880 | case HTTP_STATE_DELETE : | |
881 | case HTTP_STATE_GET : | |
882 | case HTTP_STATE_HEAD : | |
883 | case HTTP_STATE_POST : | |
884 | case HTTP_STATE_PUT : | |
885 | case HTTP_STATE_TRACE : | |
ef416fc2 | 886 | /* |
887 | * Parse incoming parameters until the status changes... | |
888 | */ | |
889 | ||
5ec1fd3d MS |
890 | while ((status = httpUpdate(con->http)) == HTTP_STATUS_CONTINUE) |
891 | if (!httpGetReady(con->http)) | |
f7deaa1a | 892 | break; |
ef416fc2 | 893 | |
5ec1fd3d | 894 | if (status != HTTP_STATUS_OK && status != HTTP_STATUS_CONTINUE) |
ef416fc2 | 895 | { |
5ec1fd3d | 896 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
897 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
898 | "Closing for error %d (%s) while reading headers.", | |
5ec1fd3d | 899 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 900 | else |
996acce8 MS |
901 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
902 | "Closing on EOF while reading headers."); | |
f11a948a | 903 | |
5ec1fd3d | 904 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 905 | cupsdCloseClient(con); |
906 | return; | |
ef416fc2 | 907 | } |
908 | break; | |
909 | ||
910 | default : | |
5ec1fd3d | 911 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
e6013cfa MS |
912 | { |
913 | /* | |
914 | * Connection closed... | |
915 | */ | |
916 | ||
996acce8 | 917 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); |
e6013cfa MS |
918 | cupsdCloseClient(con); |
919 | return; | |
920 | } | |
ef416fc2 | 921 | break; /* Anti-compiler-warning-code */ |
922 | } | |
923 | ||
924 | /* | |
925 | * Handle new transfers... | |
926 | */ | |
927 | ||
5ec1fd3d | 928 | if (status == HTTP_STATUS_OK) |
ef416fc2 | 929 | { |
5ec1fd3d | 930 | if (httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)[0]) |
ef416fc2 | 931 | { |
932 | /* | |
933 | * Figure out the locale from the Accept-Language and Content-Type | |
934 | * fields... | |
935 | */ | |
936 | ||
5ec1fd3d | 937 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 938 | ',')) != NULL) |
ef416fc2 | 939 | *ptr = '\0'; |
940 | ||
5ec1fd3d | 941 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 942 | ';')) != NULL) |
ef416fc2 | 943 | *ptr = '\0'; |
944 | ||
5ec1fd3d | 945 | if ((ptr = strstr(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
f11a948a | 946 | "charset=")) != NULL) |
ef416fc2 | 947 | { |
948 | /* | |
949 | * Combine language and charset, and trim any extra params in the | |
950 | * content-type. | |
951 | */ | |
952 | ||
953 | snprintf(locale, sizeof(locale), "%s.%s", | |
5ec1fd3d | 954 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), ptr + 8); |
ef416fc2 | 955 | |
956 | if ((ptr = strchr(locale, ',')) != NULL) | |
957 | *ptr = '\0'; | |
958 | } | |
959 | else | |
f8b3a85b | 960 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
5ec1fd3d | 961 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)); |
d6ae789d | 962 | |
ef416fc2 | 963 | con->language = cupsLangGet(locale); |
964 | } | |
965 | else | |
966 | con->language = cupsLangGet(DefaultLocale); | |
967 | ||
968 | cupsdAuthorize(con); | |
969 | ||
5ec1fd3d | 970 | if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
85dda01c | 971 | "Keep-Alive", 10) && KeepAlive) |
5ec1fd3d MS |
972 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); |
973 | else if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), | |
85dda01c | 974 | "close", 5)) |
5ec1fd3d | 975 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 976 | |
5ec1fd3d MS |
977 | if (!httpGetField(con->http, HTTP_FIELD_HOST)[0] && |
978 | httpGetVersion(con->http) >= HTTP_VERSION_1_1) | |
ef416fc2 | 979 | { |
980 | /* | |
981 | * HTTP/1.1 and higher require the "Host:" field... | |
982 | */ | |
983 | ||
5ec1fd3d | 984 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 985 | { |
996acce8 | 986 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Host: field in request."); |
f7deaa1a | 987 | cupsdCloseClient(con); |
988 | return; | |
989 | } | |
ef416fc2 | 990 | } |
e07d4801 | 991 | else if (!valid_host(con)) |
e6013cfa MS |
992 | { |
993 | /* | |
994 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
995 | * or IPv6 values in the Host: field. | |
996 | */ | |
997 | ||
996acce8 MS |
998 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
999 | "Request from \"%s\" using invalid Host: field \"%s\".", | |
5ec1fd3d | 1000 | httpGetHostname(con->http, NULL, 0), httpGetField(con->http, HTTP_FIELD_HOST)); |
e6013cfa | 1001 | |
5ec1fd3d | 1002 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
e6013cfa MS |
1003 | { |
1004 | cupsdCloseClient(con); | |
1005 | return; | |
1006 | } | |
1007 | } | |
cb7f98ee | 1008 | else if (con->operation == HTTP_STATE_OPTIONS) |
ef416fc2 | 1009 | { |
1010 | /* | |
1011 | * Do OPTIONS command... | |
1012 | */ | |
1013 | ||
5bd77a73 | 1014 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 1015 | { |
5ec1fd3d | 1016 | if (!cupsdSendHeader(con, HTTP_STATUS_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1017 | { |
1018 | cupsdCloseClient(con); | |
1019 | return; | |
1020 | } | |
ef416fc2 | 1021 | } |
1022 | ||
5ec1fd3d MS |
1023 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), "Upgrade") && |
1024 | !httpIsEncrypted(con->http)) | |
ef416fc2 | 1025 | { |
1026 | #ifdef HAVE_SSL | |
1027 | /* | |
1028 | * Do encryption stuff... | |
1029 | */ | |
1030 | ||
5ec1fd3d | 1031 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1032 | { |
1033 | cupsdCloseClient(con); | |
1034 | return; | |
1035 | } | |
ef416fc2 | 1036 | |
996acce8 MS |
1037 | httpPrintf(con->http, "Connection: Upgrade\r\n"); |
1038 | httpPrintf(con->http, "Upgrade: TLS/1.2,TLS/1.1,TLS/1.0\r\n"); | |
1039 | httpPrintf(con->http, "Content-Length: 0\r\n"); | |
1040 | httpPrintf(con->http, "\r\n"); | |
07725fee | 1041 | |
1042 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1043 | { |
1044 | cupsdCloseClient(con); | |
1045 | return; | |
1046 | } | |
ef416fc2 | 1047 | |
82cc1f9a | 1048 | if (!cupsdStartTLS(con)) |
f7deaa1a | 1049 | { |
1050 | cupsdCloseClient(con); | |
1051 | return; | |
1052 | } | |
ef416fc2 | 1053 | #else |
5bd77a73 | 1054 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1055 | { |
1056 | cupsdCloseClient(con); | |
1057 | return; | |
1058 | } | |
ef416fc2 | 1059 | #endif /* HAVE_SSL */ |
1060 | } | |
1061 | ||
5ec1fd3d | 1062 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1063 | { |
1064 | cupsdCloseClient(con); | |
1065 | return; | |
1066 | } | |
ef416fc2 | 1067 | |
996acce8 MS |
1068 | httpPrintf(con->http, "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); |
1069 | httpPrintf(con->http, "Content-Length: 0\r\n"); | |
1070 | httpPrintf(con->http, "\r\n"); | |
07725fee | 1071 | |
1072 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1073 | { |
1074 | cupsdCloseClient(con); | |
1075 | return; | |
1076 | } | |
ef416fc2 | 1077 | } |
1078 | else if (!is_path_absolute(con->uri)) | |
1079 | { | |
1080 | /* | |
1081 | * Protect against malicious users! | |
1082 | */ | |
1083 | ||
996acce8 MS |
1084 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1085 | "Request for non-absolute resource \"%s\".", con->uri); | |
bf3816c7 | 1086 | |
5ec1fd3d | 1087 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1088 | { |
1089 | cupsdCloseClient(con); | |
1090 | return; | |
1091 | } | |
ef416fc2 | 1092 | } |
1093 | else | |
1094 | { | |
5ec1fd3d | 1095 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
996acce8 | 1096 | "Upgrade") && con->http->tls == NULL) |
ef416fc2 | 1097 | { |
1098 | #ifdef HAVE_SSL | |
1099 | /* | |
1100 | * Do encryption stuff... | |
1101 | */ | |
1102 | ||
5ec1fd3d | 1103 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, |
85dda01c | 1104 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1105 | { |
1106 | cupsdCloseClient(con); | |
1107 | return; | |
1108 | } | |
ef416fc2 | 1109 | |
996acce8 MS |
1110 | httpPrintf(con->http, "Connection: Upgrade\r\n"); |
1111 | httpPrintf(con->http, "Upgrade: TLS/1.2,TLS/1.1,TLS/1.0\r\n"); | |
1112 | httpPrintf(con->http, "Content-Length: 0\r\n"); | |
1113 | httpPrintf(con->http, "\r\n"); | |
07725fee | 1114 | |
1115 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1116 | { |
1117 | cupsdCloseClient(con); | |
1118 | return; | |
1119 | } | |
ef416fc2 | 1120 | |
82cc1f9a | 1121 | if (!cupsdStartTLS(con)) |
f7deaa1a | 1122 | { |
1123 | cupsdCloseClient(con); | |
1124 | return; | |
1125 | } | |
ef416fc2 | 1126 | #else |
5bd77a73 | 1127 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1128 | { |
1129 | cupsdCloseClient(con); | |
1130 | return; | |
1131 | } | |
ef416fc2 | 1132 | #endif /* HAVE_SSL */ |
1133 | } | |
1134 | ||
5ec1fd3d | 1135 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_STATUS_OK) |
ef416fc2 | 1136 | { |
5bd77a73 | 1137 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1138 | cupsdCloseClient(con); |
1139 | return; | |
ef416fc2 | 1140 | } |
1141 | ||
996acce8 | 1142 | if (con->http->expect && |
cb7f98ee | 1143 | (con->operation == HTTP_STATE_POST || con->operation == HTTP_STATE_PUT)) |
ef416fc2 | 1144 | { |
5ec1fd3d | 1145 | if (con->http->expect == HTTP_STATUS_CONTINUE) |
b423cd4c | 1146 | { |
1147 | /* | |
1148 | * Send 100-continue header... | |
1149 | */ | |
1150 | ||
5ec1fd3d | 1151 | if (!cupsdSendHeader(con, HTTP_STATUS_CONTINUE, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1152 | { |
1153 | cupsdCloseClient(con); | |
1154 | return; | |
1155 | } | |
b423cd4c | 1156 | } |
1157 | else | |
1158 | { | |
1159 | /* | |
1160 | * Send 417-expectation-failed header... | |
1161 | */ | |
1162 | ||
5ec1fd3d | 1163 | if (!cupsdSendHeader(con, HTTP_STATUS_EXPECTATION_FAILED, NULL, |
f11a948a | 1164 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1165 | { |
1166 | cupsdCloseClient(con); | |
1167 | return; | |
1168 | } | |
b423cd4c | 1169 | |
996acce8 MS |
1170 | httpPrintf(con->http, "Content-Length: 0\r\n"); |
1171 | httpPrintf(con->http, "\r\n"); | |
07725fee | 1172 | |
1173 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1174 | { |
1175 | cupsdCloseClient(con); | |
1176 | return; | |
1177 | } | |
b423cd4c | 1178 | } |
ef416fc2 | 1179 | } |
1180 | ||
5ec1fd3d | 1181 | switch (httpGetState(con->http)) |
ef416fc2 | 1182 | { |
cb7f98ee | 1183 | case HTTP_STATE_GET_SEND : |
db8b865d | 1184 | if ((!strncmp(con->uri, "/ppd/", 5) || |
6961465f MS |
1185 | !strncmp(con->uri, "/printers/", 10) || |
1186 | !strncmp(con->uri, "/classes/", 9)) && | |
ef416fc2 | 1187 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) |
1188 | { | |
1189 | /* | |
1190 | * Send PPD file - get the real printer name since printer | |
1191 | * names are not case sensitive but filenames can be... | |
1192 | */ | |
1193 | ||
1194 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1195 | ||
db8b865d MS |
1196 | if (!strncmp(con->uri, "/ppd/", 5)) |
1197 | p = cupsdFindPrinter(con->uri + 5); | |
6961465f | 1198 | else if (!strncmp(con->uri, "/printers/", 10)) |
db8b865d | 1199 | p = cupsdFindPrinter(con->uri + 10); |
6961465f MS |
1200 | else |
1201 | { | |
1202 | p = cupsdFindClass(con->uri + 9); | |
1203 | ||
1204 | if (p) | |
1205 | { | |
1206 | int i; /* Looping var */ | |
1207 | ||
1208 | for (i = 0; i < p->num_printers; i ++) | |
1209 | { | |
1210 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1211 | { | |
1212 | char ppdname[1024];/* PPD filename */ | |
1213 | ||
1214 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1215 | ServerRoot, p->printers[i]->name); | |
1216 | if (!access(ppdname, 0)) | |
1217 | { | |
1218 | p = p->printers[i]; | |
1219 | break; | |
1220 | } | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | if (i >= p->num_printers) | |
1225 | p = NULL; | |
1226 | } | |
1227 | } | |
db8b865d MS |
1228 | |
1229 | if (p) | |
1230 | { | |
ef416fc2 | 1231 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); |
db8b865d | 1232 | } |
ef416fc2 | 1233 | else |
1234 | { | |
5ec1fd3d | 1235 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1236 | { |
1237 | cupsdCloseClient(con); | |
1238 | return; | |
1239 | } | |
ef416fc2 | 1240 | |
1241 | break; | |
1242 | } | |
1243 | } | |
db8b865d MS |
1244 | else if ((!strncmp(con->uri, "/icons/", 7) || |
1245 | !strncmp(con->uri, "/printers/", 10) || | |
7cf5915e MS |
1246 | !strncmp(con->uri, "/classes/", 9)) && |
1247 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1248 | { | |
1249 | /* | |
1250 | * Send icon file - get the real queue name since queue names are | |
1251 | * not case sensitive but filenames can be... | |
1252 | */ | |
1253 | ||
1254 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1255 | ||
db8b865d MS |
1256 | if (!strncmp(con->uri, "/icons/", 7)) |
1257 | p = cupsdFindPrinter(con->uri + 7); | |
1258 | else if (!strncmp(con->uri, "/printers/", 10)) | |
7cf5915e MS |
1259 | p = cupsdFindPrinter(con->uri + 10); |
1260 | else | |
6961465f MS |
1261 | { |
1262 | p = cupsdFindClass(con->uri + 9); | |
1263 | ||
1264 | if (p) | |
1265 | { | |
1266 | int i; /* Looping var */ | |
1267 | ||
1268 | for (i = 0; i < p->num_printers; i ++) | |
1269 | { | |
1270 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1271 | { | |
1272 | char ppdname[1024];/* PPD filename */ | |
1273 | ||
1274 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1275 | ServerRoot, p->printers[i]->name); | |
1276 | if (!access(ppdname, 0)) | |
1277 | { | |
1278 | p = p->printers[i]; | |
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | if (i >= p->num_printers) | |
1285 | p = NULL; | |
1286 | } | |
1287 | } | |
7cf5915e MS |
1288 | |
1289 | if (p) | |
1290 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1291 | else | |
1292 | { | |
5ec1fd3d | 1293 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
7cf5915e MS |
1294 | { |
1295 | cupsdCloseClient(con); | |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | break; | |
1300 | } | |
1301 | } | |
0268488e | 1302 | else if (!WebInterface) |
229681c1 MS |
1303 | { |
1304 | /* | |
1305 | * Web interface is disabled. Show an appropriate message... | |
1306 | */ | |
1307 | ||
5ec1fd3d | 1308 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1309 | { |
1310 | cupsdCloseClient(con); | |
1311 | return; | |
1312 | } | |
1313 | ||
1314 | break; | |
1315 | } | |
0268488e MS |
1316 | |
1317 | if ((!strncmp(con->uri, "/admin", 6) && | |
1318 | strncmp(con->uri, "/admin/conf/", 12) && | |
1319 | strncmp(con->uri, "/admin/log/", 11)) || | |
1320 | !strncmp(con->uri, "/printers", 9) || | |
1321 | !strncmp(con->uri, "/classes", 8) || | |
1322 | !strncmp(con->uri, "/help", 5) || | |
1323 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1324 | { |
1325 | /* | |
1326 | * Send CGI output... | |
1327 | */ | |
1328 | ||
1329 | if (!strncmp(con->uri, "/admin", 6)) | |
1330 | { | |
1331 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1332 | ServerBin); | |
1333 | ||
b423cd4c | 1334 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1335 | } |
1336 | else if (!strncmp(con->uri, "/printers", 9)) | |
1337 | { | |
1338 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1339 | ServerBin); | |
b423cd4c | 1340 | |
1341 | if (con->uri[9] && con->uri[10]) | |
1342 | cupsdSetString(&con->options, con->uri + 9); | |
1343 | else | |
1344 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1345 | } |
1346 | else if (!strncmp(con->uri, "/classes", 8)) | |
1347 | { | |
1348 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1349 | ServerBin); | |
b423cd4c | 1350 | |
1351 | if (con->uri[8] && con->uri[9]) | |
1352 | cupsdSetString(&con->options, con->uri + 8); | |
1353 | else | |
1354 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1355 | } |
1356 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1357 | { | |
1358 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1359 | ServerBin); | |
b423cd4c | 1360 | |
1361 | if (con->uri[5] && con->uri[6]) | |
1362 | cupsdSetString(&con->options, con->uri + 5); | |
1363 | else | |
1364 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1365 | } |
1366 | else | |
1367 | { | |
1368 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1369 | ServerBin); | |
ef416fc2 | 1370 | |
b423cd4c | 1371 | if (con->uri[5] && con->uri[6]) |
1372 | cupsdSetString(&con->options, con->uri + 5); | |
1373 | else | |
1374 | cupsdSetString(&con->options, NULL); | |
1375 | } | |
ef416fc2 | 1376 | |
1377 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1378 | { | |
5ec1fd3d | 1379 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1380 | { |
1381 | cupsdCloseClient(con); | |
1382 | return; | |
1383 | } | |
ef416fc2 | 1384 | } |
1385 | else | |
5ec1fd3d | 1386 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1387 | |
5ec1fd3d MS |
1388 | if (con->http->version <= HTTP_VERSION_1_0) |
1389 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 1390 | } |
1391 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1392 | (strchr(con->uri + 12, '/') || | |
1393 | strlen(con->uri) == 12)) || | |
1394 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1395 | (strchr(con->uri + 11, '/') || | |
1396 | strlen(con->uri) == 11))) | |
1397 | { | |
1398 | /* | |
bf3816c7 | 1399 | * GET can only be done to configuration files directly under |
ef416fc2 | 1400 | * /admin/conf... |
1401 | */ | |
1402 | ||
996acce8 | 1403 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
bf3816c7 MS |
1404 | "Request for subdirectory \"%s\"!", con->uri); |
1405 | ||
5ec1fd3d | 1406 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1407 | { |
1408 | cupsdCloseClient(con); | |
1409 | return; | |
1410 | } | |
ef416fc2 | 1411 | |
1412 | break; | |
1413 | } | |
1414 | else | |
1415 | { | |
1416 | /* | |
1417 | * Serve a file... | |
1418 | */ | |
1419 | ||
1420 | if ((filename = get_file(con, &filestats, buf, | |
1421 | sizeof(buf))) == NULL) | |
1422 | { | |
5ec1fd3d | 1423 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1424 | { |
1425 | cupsdCloseClient(con); | |
1426 | return; | |
1427 | } | |
ef416fc2 | 1428 | |
1429 | break; | |
1430 | } | |
1431 | ||
4400e98d | 1432 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1433 | |
e1d6a774 | 1434 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1435 | { |
1436 | /* | |
1437 | * Note: con->command and con->options were set by | |
e1d6a774 | 1438 | * is_cgi()... |
ef416fc2 | 1439 | */ |
1440 | ||
1441 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1442 | { | |
5ec1fd3d | 1443 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1444 | { |
1445 | cupsdCloseClient(con); | |
1446 | return; | |
1447 | } | |
ef416fc2 | 1448 | } |
1449 | else | |
5ec1fd3d | 1450 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1451 | |
5ec1fd3d MS |
1452 | if (con->http->version <= HTTP_VERSION_1_0) |
1453 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 1454 | break; |
1455 | } | |
1456 | ||
1457 | if (!check_if_modified(con, &filestats)) | |
1458 | { | |
5ec1fd3d | 1459 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1460 | { |
1461 | cupsdCloseClient(con); | |
1462 | return; | |
1463 | } | |
ef416fc2 | 1464 | } |
1465 | else | |
1466 | { | |
1467 | if (type == NULL) | |
5a9febac | 1468 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1469 | else |
1470 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1471 | ||
5ec1fd3d | 1472 | if (!write_file(con, HTTP_STATUS_OK, filename, line, &filestats)) |
f7deaa1a | 1473 | { |
1474 | cupsdCloseClient(con); | |
1475 | return; | |
1476 | } | |
ef416fc2 | 1477 | } |
1478 | } | |
1479 | break; | |
1480 | ||
cb7f98ee | 1481 | case HTTP_STATE_POST_RECV : |
ef416fc2 | 1482 | /* |
1483 | * See if the POST request includes a Content-Length field, and if | |
1484 | * so check the length against any limits that are set... | |
1485 | */ | |
1486 | ||
5ec1fd3d | 1487 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1488 | MaxRequestSize > 0 && |
996acce8 | 1489 | con->http->data_remaining > MaxRequestSize) |
ef416fc2 | 1490 | { |
1491 | /* | |
1492 | * Request too large... | |
1493 | */ | |
1494 | ||
5ec1fd3d | 1495 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1496 | { |
1497 | cupsdCloseClient(con); | |
1498 | return; | |
1499 | } | |
ef416fc2 | 1500 | |
1501 | break; | |
1502 | } | |
996acce8 | 1503 | else if (con->http->data_remaining < 0 || |
5ec1fd3d | 1504 | (!httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
996acce8 | 1505 | con->http->data_encoding == HTTP_ENCODING_LENGTH)) |
ef416fc2 | 1506 | { |
1507 | /* | |
1508 | * Negative content lengths are invalid! | |
1509 | */ | |
1510 | ||
5ec1fd3d | 1511 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1512 | { |
1513 | cupsdCloseClient(con); | |
1514 | return; | |
1515 | } | |
ef416fc2 | 1516 | |
1517 | break; | |
1518 | } | |
1519 | ||
1520 | /* | |
1521 | * See what kind of POST request this is; for IPP requests the | |
1522 | * content-type field will be "application/ipp"... | |
1523 | */ | |
1524 | ||
5ec1fd3d | 1525 | if (!strcmp(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
ef416fc2 | 1526 | "application/ipp")) |
1527 | con->request = ippNew(); | |
229681c1 MS |
1528 | else if (!WebInterface) |
1529 | { | |
1530 | /* | |
1531 | * Web interface is disabled. Show an appropriate message... | |
1532 | */ | |
1533 | ||
5ec1fd3d | 1534 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1535 | { |
1536 | cupsdCloseClient(con); | |
1537 | return; | |
1538 | } | |
1539 | ||
1540 | break; | |
1541 | } | |
ef416fc2 | 1542 | else if ((!strncmp(con->uri, "/admin", 6) && |
1543 | strncmp(con->uri, "/admin/conf/", 12) && | |
1544 | strncmp(con->uri, "/admin/log/", 11)) || | |
1545 | !strncmp(con->uri, "/printers", 9) || | |
1546 | !strncmp(con->uri, "/classes", 8) || | |
1547 | !strncmp(con->uri, "/help", 5) || | |
1548 | !strncmp(con->uri, "/jobs", 5)) | |
1549 | { | |
1550 | /* | |
1551 | * CGI request... | |
1552 | */ | |
1553 | ||
1554 | if (!strncmp(con->uri, "/admin", 6)) | |
1555 | { | |
1556 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1557 | ServerBin); | |
1558 | ||
b423cd4c | 1559 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1560 | } |
1561 | else if (!strncmp(con->uri, "/printers", 9)) | |
1562 | { | |
1563 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1564 | ServerBin); | |
b423cd4c | 1565 | |
1566 | if (con->uri[9] && con->uri[10]) | |
1567 | cupsdSetString(&con->options, con->uri + 9); | |
1568 | else | |
1569 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1570 | } |
1571 | else if (!strncmp(con->uri, "/classes", 8)) | |
1572 | { | |
1573 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1574 | ServerBin); | |
b423cd4c | 1575 | |
1576 | if (con->uri[8] && con->uri[9]) | |
1577 | cupsdSetString(&con->options, con->uri + 8); | |
1578 | else | |
1579 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1580 | } |
1581 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1582 | { | |
1583 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1584 | ServerBin); | |
b423cd4c | 1585 | |
1586 | if (con->uri[5] && con->uri[6]) | |
1587 | cupsdSetString(&con->options, con->uri + 5); | |
1588 | else | |
1589 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1590 | } |
1591 | else | |
1592 | { | |
1593 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1594 | ServerBin); | |
ef416fc2 | 1595 | |
b423cd4c | 1596 | if (con->uri[5] && con->uri[6]) |
1597 | cupsdSetString(&con->options, con->uri + 5); | |
1598 | else | |
1599 | cupsdSetString(&con->options, NULL); | |
1600 | } | |
ef416fc2 | 1601 | |
5ec1fd3d MS |
1602 | if (con->http->version <= HTTP_VERSION_1_0) |
1603 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 1604 | } |
1605 | else | |
1606 | { | |
1607 | /* | |
1608 | * POST to a file... | |
1609 | */ | |
1610 | ||
1611 | if ((filename = get_file(con, &filestats, buf, | |
1612 | sizeof(buf))) == NULL) | |
1613 | { | |
5ec1fd3d | 1614 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1615 | { |
1616 | cupsdCloseClient(con); | |
1617 | return; | |
1618 | } | |
ef416fc2 | 1619 | |
1620 | break; | |
1621 | } | |
1622 | ||
4400e98d | 1623 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1624 | |
e1d6a774 | 1625 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1626 | { |
1627 | /* | |
1628 | * Only POST to CGI's... | |
1629 | */ | |
1630 | ||
5ec1fd3d | 1631 | if (!cupsdSendError(con, HTTP_STATUS_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1632 | { |
1633 | cupsdCloseClient(con); | |
1634 | return; | |
1635 | } | |
ef416fc2 | 1636 | } |
1637 | } | |
1638 | break; | |
1639 | ||
cb7f98ee | 1640 | case HTTP_STATE_PUT_RECV : |
ef416fc2 | 1641 | /* |
1642 | * Validate the resource name... | |
1643 | */ | |
1644 | ||
c41769ff | 1645 | if (strcmp(con->uri, "/admin/conf/cupsd.conf")) |
ef416fc2 | 1646 | { |
1647 | /* | |
c41769ff | 1648 | * PUT can only be done to the cupsd.conf file... |
ef416fc2 | 1649 | */ |
1650 | ||
996acce8 MS |
1651 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1652 | "Disallowed PUT request for \"%s\".", con->uri); | |
bf3816c7 | 1653 | |
5ec1fd3d | 1654 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1655 | { |
1656 | cupsdCloseClient(con); | |
1657 | return; | |
1658 | } | |
ef416fc2 | 1659 | |
1660 | break; | |
1661 | } | |
1662 | ||
1663 | /* | |
1664 | * See if the PUT request includes a Content-Length field, and if | |
1665 | * so check the length against any limits that are set... | |
1666 | */ | |
1667 | ||
5ec1fd3d | 1668 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1669 | MaxRequestSize > 0 && |
996acce8 | 1670 | con->http->data_remaining > MaxRequestSize) |
ef416fc2 | 1671 | { |
1672 | /* | |
1673 | * Request too large... | |
1674 | */ | |
1675 | ||
5ec1fd3d | 1676 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1677 | { |
1678 | cupsdCloseClient(con); | |
1679 | return; | |
1680 | } | |
ef416fc2 | 1681 | |
1682 | break; | |
1683 | } | |
996acce8 | 1684 | else if (con->http->data_remaining < 0) |
ef416fc2 | 1685 | { |
1686 | /* | |
1687 | * Negative content lengths are invalid! | |
1688 | */ | |
1689 | ||
5ec1fd3d | 1690 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1691 | { |
1692 | cupsdCloseClient(con); | |
1693 | return; | |
1694 | } | |
ef416fc2 | 1695 | |
1696 | break; | |
1697 | } | |
1698 | ||
1699 | /* | |
1700 | * Open a temporary file to hold the request... | |
1701 | */ | |
1702 | ||
1703 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1704 | request_id ++); | |
1705 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1706 | ||
ef416fc2 | 1707 | if (con->file < 0) |
1708 | { | |
996acce8 MS |
1709 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1710 | "Unable to create request file \"%s\": %s", | |
1711 | con->filename, strerror(errno)); | |
a4924f6c | 1712 | |
5ec1fd3d | 1713 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1714 | { |
1715 | cupsdCloseClient(con); | |
1716 | return; | |
1717 | } | |
ef416fc2 | 1718 | } |
1719 | ||
1720 | fchmod(con->file, 0640); | |
1721 | fchown(con->file, RunUser, Group); | |
1722 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1723 | break; | |
1724 | ||
cb7f98ee MS |
1725 | case HTTP_STATE_DELETE : |
1726 | case HTTP_STATE_TRACE : | |
5ec1fd3d | 1727 | cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1728 | cupsdCloseClient(con); |
1729 | return; | |
ef416fc2 | 1730 | |
cb7f98ee | 1731 | case HTTP_STATE_HEAD : |
ef416fc2 | 1732 | if (!strncmp(con->uri, "/printers/", 10) && |
1733 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1734 | { | |
1735 | /* | |
1736 | * Send PPD file - get the real printer name since printer | |
1737 | * names are not case sensitive but filenames can be... | |
1738 | */ | |
1739 | ||
1740 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1741 | ||
1742 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1743 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1744 | else | |
1745 | { | |
5ec1fd3d | 1746 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1747 | { |
1748 | cupsdCloseClient(con); | |
1749 | return; | |
1750 | } | |
ef416fc2 | 1751 | |
1752 | break; | |
1753 | } | |
1754 | } | |
229681c1 MS |
1755 | else if (!strncmp(con->uri, "/printers/", 10) && |
1756 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1757 | { | |
1758 | /* | |
1759 | * Send PNG file - get the real printer name since printer | |
1760 | * names are not case sensitive but filenames can be... | |
1761 | */ | |
1762 | ||
1763 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1764 | ||
1765 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1766 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1767 | else | |
1768 | { | |
5ec1fd3d | 1769 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
229681c1 MS |
1770 | { |
1771 | cupsdCloseClient(con); | |
1772 | return; | |
1773 | } | |
1774 | ||
1775 | break; | |
1776 | } | |
1777 | } | |
1778 | else if (!WebInterface) | |
1779 | { | |
5ec1fd3d | 1780 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
229681c1 MS |
1781 | { |
1782 | cupsdCloseClient(con); | |
1783 | return; | |
1784 | } | |
1785 | ||
996acce8 | 1786 | if (httpPrintf(con->http, "\r\n") < 0) |
229681c1 MS |
1787 | { |
1788 | cupsdCloseClient(con); | |
1789 | return; | |
1790 | } | |
1791 | ||
1792 | if (cupsdFlushHeader(con) < 0) | |
1793 | { | |
1794 | cupsdCloseClient(con); | |
1795 | return; | |
1796 | } | |
1797 | ||
996acce8 | 1798 | con->http->state = HTTP_STATE_WAITING; |
a469f8a5 MS |
1799 | DEBUG_puts("cupsdReadClient: Set state to HTTP_STATE_WAITING " |
1800 | "after HEAD."); | |
229681c1 MS |
1801 | break; |
1802 | } | |
ef416fc2 | 1803 | |
1804 | if ((!strncmp(con->uri, "/admin", 6) && | |
1805 | strncmp(con->uri, "/admin/conf/", 12) && | |
1806 | strncmp(con->uri, "/admin/log/", 11)) || | |
1807 | !strncmp(con->uri, "/printers", 9) || | |
1808 | !strncmp(con->uri, "/classes", 8) || | |
1809 | !strncmp(con->uri, "/help", 5) || | |
1810 | !strncmp(con->uri, "/jobs", 5)) | |
1811 | { | |
1812 | /* | |
1813 | * CGI output... | |
1814 | */ | |
1815 | ||
5ec1fd3d | 1816 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1817 | { |
1818 | cupsdCloseClient(con); | |
1819 | return; | |
1820 | } | |
ef416fc2 | 1821 | |
996acce8 | 1822 | if (httpPrintf(con->http, "\r\n") < 0) |
f7deaa1a | 1823 | { |
1824 | cupsdCloseClient(con); | |
1825 | return; | |
1826 | } | |
ef416fc2 | 1827 | |
07725fee | 1828 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1829 | { |
1830 | cupsdCloseClient(con); | |
1831 | return; | |
1832 | } | |
d09495fa | 1833 | |
5ec1fd3d | 1834 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1835 | } |
1836 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1837 | (strchr(con->uri + 12, '/') || | |
1838 | strlen(con->uri) == 12)) || | |
1839 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1840 | (strchr(con->uri + 11, '/') || | |
1841 | strlen(con->uri) == 11))) | |
1842 | { | |
1843 | /* | |
1844 | * HEAD can only be done to configuration files under | |
1845 | * /admin/conf... | |
1846 | */ | |
1847 | ||
996acce8 MS |
1848 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1849 | "Request for subdirectory \"%s\".", con->uri); | |
bf3816c7 | 1850 | |
5ec1fd3d | 1851 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1852 | { |
1853 | cupsdCloseClient(con); | |
1854 | return; | |
1855 | } | |
ef416fc2 | 1856 | |
1857 | break; | |
1858 | } | |
1859 | else if ((filename = get_file(con, &filestats, buf, | |
1860 | sizeof(buf))) == NULL) | |
1861 | { | |
5ec1fd3d | 1862 | if (!cupsdSendHeader(con, HTTP_STATUS_NOT_FOUND, "text/html", |
f11a948a | 1863 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1864 | { |
1865 | cupsdCloseClient(con); | |
1866 | return; | |
1867 | } | |
ef416fc2 | 1868 | |
5ec1fd3d | 1869 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1870 | } |
1871 | else if (!check_if_modified(con, &filestats)) | |
1872 | { | |
5ec1fd3d | 1873 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1874 | { |
1875 | cupsdCloseClient(con); | |
1876 | return; | |
1877 | } | |
ef416fc2 | 1878 | |
5ec1fd3d | 1879 | cupsdLogRequest(con, HTTP_STATUS_NOT_MODIFIED); |
ef416fc2 | 1880 | } |
1881 | else | |
1882 | { | |
1883 | /* | |
1884 | * Serve a file... | |
1885 | */ | |
1886 | ||
4400e98d | 1887 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1888 | if (type == NULL) |
5a9febac | 1889 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1890 | else |
1891 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1892 | ||
5ec1fd3d | 1893 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1894 | { |
1895 | cupsdCloseClient(con); | |
1896 | return; | |
1897 | } | |
ef416fc2 | 1898 | |
996acce8 | 1899 | if (httpPrintf(con->http, "Last-Modified: %s\r\n", |
ef416fc2 | 1900 | httpGetDateString(filestats.st_mtime)) < 0) |
f7deaa1a | 1901 | { |
1902 | cupsdCloseClient(con); | |
1903 | return; | |
1904 | } | |
ef416fc2 | 1905 | |
996acce8 | 1906 | if (httpPrintf(con->http, "Content-Length: %lu\r\n", |
ef416fc2 | 1907 | (unsigned long)filestats.st_size) < 0) |
f7deaa1a | 1908 | { |
1909 | cupsdCloseClient(con); | |
1910 | return; | |
1911 | } | |
ef416fc2 | 1912 | |
5ec1fd3d | 1913 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1914 | } |
1915 | ||
996acce8 | 1916 | if (httpPrintf(con->http, "\r\n") < 0) |
f7deaa1a | 1917 | { |
1918 | cupsdCloseClient(con); | |
1919 | return; | |
1920 | } | |
ef416fc2 | 1921 | |
07725fee | 1922 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1923 | { |
1924 | cupsdCloseClient(con); | |
1925 | return; | |
1926 | } | |
d09495fa | 1927 | |
996acce8 | 1928 | con->http->state = HTTP_STATE_WAITING; |
a469f8a5 MS |
1929 | DEBUG_puts("cupsdReadClient: Set state to HTTP_STATE_WAITING " |
1930 | "after HEAD."); | |
ef416fc2 | 1931 | break; |
1932 | ||
1933 | default : | |
1934 | break; /* Anti-compiler-warning-code */ | |
1935 | } | |
1936 | } | |
1937 | } | |
1938 | ||
1939 | /* | |
1940 | * Handle any incoming data... | |
1941 | */ | |
1942 | ||
5ec1fd3d | 1943 | switch (httpGetState(con->http)) |
ef416fc2 | 1944 | { |
cb7f98ee | 1945 | case HTTP_STATE_PUT_RECV : |
f7deaa1a | 1946 | do |
ef416fc2 | 1947 | { |
996acce8 | 1948 | if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1949 | { |
5ec1fd3d | 1950 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1951 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1952 | "HTTP_STATE_PUT_RECV Closing for error %d (%s)", | |
5ec1fd3d | 1953 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1954 | else |
996acce8 MS |
1955 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1956 | "HTTP_STATE_PUT_RECV Closing on EOF."); | |
f11a948a | 1957 | |
f7deaa1a | 1958 | cupsdCloseClient(con); |
1959 | return; | |
1960 | } | |
1961 | else if (bytes > 0) | |
1962 | { | |
1963 | con->bytes += bytes; | |
ef416fc2 | 1964 | |
f7deaa1a | 1965 | if (write(con->file, line, bytes) < bytes) |
1966 | { | |
996acce8 MS |
1967 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1968 | "Unable to write %d bytes to \"%s\": %s", bytes, | |
1969 | con->filename, strerror(errno)); | |
ef416fc2 | 1970 | |
f7deaa1a | 1971 | close(con->file); |
1972 | con->file = -1; | |
1973 | unlink(con->filename); | |
1974 | cupsdClearString(&con->filename); | |
ef416fc2 | 1975 | |
5ec1fd3d | 1976 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1977 | { |
1978 | cupsdCloseClient(con); | |
1979 | return; | |
1980 | } | |
1981 | } | |
ef416fc2 | 1982 | } |
f7deaa1a | 1983 | } |
5ec1fd3d | 1984 | while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http)); |
ef416fc2 | 1985 | |
5ec1fd3d | 1986 | if (httpGetState(con->http) == HTTP_STATE_STATUS) |
ef416fc2 | 1987 | { |
1988 | /* | |
1989 | * End of file, see how big it is... | |
1990 | */ | |
1991 | ||
1992 | fstat(con->file, &filestats); | |
1993 | ||
ef416fc2 | 1994 | close(con->file); |
1995 | con->file = -1; | |
1996 | ||
1997 | if (filestats.st_size > MaxRequestSize && | |
1998 | MaxRequestSize > 0) | |
1999 | { | |
2000 | /* | |
2001 | * Request is too big; remove it and send an error... | |
2002 | */ | |
2003 | ||
ef416fc2 | 2004 | unlink(con->filename); |
2005 | cupsdClearString(&con->filename); | |
2006 | ||
5ec1fd3d | 2007 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2008 | { |
2009 | cupsdCloseClient(con); | |
2010 | return; | |
2011 | } | |
ef416fc2 | 2012 | } |
2013 | ||
2014 | /* | |
2015 | * Install the configuration file... | |
2016 | */ | |
2017 | ||
c41769ff | 2018 | status = install_cupsd_conf(con); |
ef416fc2 | 2019 | |
2020 | /* | |
2021 | * Return the status to the client... | |
2022 | */ | |
2023 | ||
5bd77a73 | 2024 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 2025 | { |
2026 | cupsdCloseClient(con); | |
2027 | return; | |
2028 | } | |
ef416fc2 | 2029 | } |
2030 | break; | |
2031 | ||
cb7f98ee | 2032 | case HTTP_STATE_POST_RECV : |
f7deaa1a | 2033 | do |
ef416fc2 | 2034 | { |
f11a948a | 2035 | if (con->request && con->file < 0) |
ef416fc2 | 2036 | { |
f7deaa1a | 2037 | /* |
2038 | * Grab any request data from the connection... | |
2039 | */ | |
ef416fc2 | 2040 | |
5ec1fd3d | 2041 | if ((ipp_state = ippRead(con->http, con->request)) == IPP_STATE_ERROR) |
ef416fc2 | 2042 | { |
996acce8 MS |
2043 | cupsdLogClient(con, CUPSD_LOG_ERROR, "IPP read error: %s", |
2044 | cupsLastErrorString()); | |
f7deaa1a | 2045 | |
5ec1fd3d | 2046 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2047 | cupsdCloseClient(con); |
2048 | return; | |
ef416fc2 | 2049 | } |
5ec1fd3d | 2050 | else if (ipp_state != IPP_STATE_DATA) |
f7deaa1a | 2051 | { |
5ec1fd3d | 2052 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
f7deaa1a | 2053 | { |
5ec1fd3d | 2054 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2055 | cupsdCloseClient(con); |
2056 | return; | |
2057 | } | |
ef416fc2 | 2058 | |
5ec1fd3d | 2059 | if (httpGetReady(con->http)) |
6961465f | 2060 | continue; |
f7deaa1a | 2061 | break; |
2062 | } | |
2063 | else | |
f11a948a | 2064 | { |
996acce8 MS |
2065 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%d.%d %s %d", |
2066 | con->request->request.op.version[0], | |
f11a948a MS |
2067 | con->request->request.op.version[1], |
2068 | ippOpString(con->request->request.op.operation_id), | |
2069 | con->request->request.op.request_id); | |
f7deaa1a | 2070 | con->bytes += ippLength(con->request); |
f11a948a | 2071 | } |
f7deaa1a | 2072 | } |
ef416fc2 | 2073 | |
5ec1fd3d | 2074 | if (con->file < 0 && httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 2075 | { |
2076 | /* | |
2077 | * Create a file as needed for the request data... | |
2078 | */ | |
ef416fc2 | 2079 | |
f11a948a MS |
2080 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
2081 | request_id ++); | |
f7deaa1a | 2082 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 2083 | |
f7deaa1a | 2084 | if (con->file < 0) |
2085 | { | |
996acce8 MS |
2086 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2087 | "Unable to create request file \"%s\": %s", | |
2088 | con->filename, strerror(errno)); | |
a4924f6c | 2089 | |
5ec1fd3d | 2090 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2091 | { |
2092 | cupsdCloseClient(con); | |
2093 | return; | |
2094 | } | |
2095 | } | |
ef416fc2 | 2096 | |
f7deaa1a | 2097 | fchmod(con->file, 0640); |
2098 | fchown(con->file, RunUser, Group); | |
2099 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2100 | } | |
ef416fc2 | 2101 | |
5ec1fd3d | 2102 | if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
ef416fc2 | 2103 | { |
996acce8 | 2104 | if (!httpWait(con->http, 0)) |
cb7f98ee | 2105 | return; |
996acce8 | 2106 | else if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 2107 | { |
5ec1fd3d | 2108 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
2109 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2110 | "HTTP_STATE_POST_SEND Closing for error %d (%s)", | |
5ec1fd3d | 2111 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 2112 | else |
996acce8 MS |
2113 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2114 | "HTTP_STATE_POST_SEND Closing on EOF."); | |
f11a948a | 2115 | |
f7deaa1a | 2116 | cupsdCloseClient(con); |
2117 | return; | |
2118 | } | |
2119 | else if (bytes > 0) | |
2120 | { | |
2121 | con->bytes += bytes; | |
ef416fc2 | 2122 | |
f7deaa1a | 2123 | if (write(con->file, line, bytes) < bytes) |
2124 | { | |
996acce8 MS |
2125 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2126 | "Unable to write %d bytes to \"%s\": %s", | |
2127 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 2128 | |
f7deaa1a | 2129 | close(con->file); |
2130 | con->file = -1; | |
2131 | unlink(con->filename); | |
2132 | cupsdClearString(&con->filename); | |
ef416fc2 | 2133 | |
5ec1fd3d | 2134 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, |
f11a948a | 2135 | CUPSD_AUTH_NONE)) |
f7deaa1a | 2136 | { |
2137 | cupsdCloseClient(con); | |
2138 | return; | |
2139 | } | |
2140 | } | |
2141 | } | |
5ec1fd3d | 2142 | else if (httpGetState(con->http) == HTTP_STATE_POST_RECV) |
f7deaa1a | 2143 | return; |
5ec1fd3d | 2144 | else if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 2145 | { |
996acce8 MS |
2146 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2147 | "Closing on unexpected state %s.", | |
5ec1fd3d | 2148 | httpStateString(httpGetState(con->http))); |
f7deaa1a | 2149 | cupsdCloseClient(con); |
2150 | return; | |
ef416fc2 | 2151 | } |
2152 | } | |
f7deaa1a | 2153 | } |
5ec1fd3d | 2154 | while (httpGetState(con->http) == HTTP_STATE_POST_RECV && httpGetReady(con->http)); |
ef416fc2 | 2155 | |
5ec1fd3d | 2156 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
ef416fc2 | 2157 | { |
2158 | if (con->file >= 0) | |
2159 | { | |
2160 | fstat(con->file, &filestats); | |
2161 | ||
ef416fc2 | 2162 | close(con->file); |
2163 | con->file = -1; | |
2164 | ||
2165 | if (filestats.st_size > MaxRequestSize && | |
2166 | MaxRequestSize > 0) | |
2167 | { | |
2168 | /* | |
2169 | * Request is too big; remove it and send an error... | |
2170 | */ | |
2171 | ||
ef416fc2 | 2172 | unlink(con->filename); |
2173 | cupsdClearString(&con->filename); | |
2174 | ||
2175 | if (con->request) | |
2176 | { | |
2177 | /* | |
2178 | * Delete any IPP request data... | |
2179 | */ | |
2180 | ||
2181 | ippDelete(con->request); | |
2182 | con->request = NULL; | |
2183 | } | |
2184 | ||
5ec1fd3d | 2185 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2186 | { |
2187 | cupsdCloseClient(con); | |
2188 | return; | |
2189 | } | |
ef416fc2 | 2190 | } |
f8b3a85b MS |
2191 | else if (filestats.st_size == 0) |
2192 | { | |
2193 | /* | |
2194 | * Don't allow empty file... | |
2195 | */ | |
2196 | ||
2197 | unlink(con->filename); | |
2198 | cupsdClearString(&con->filename); | |
2199 | } | |
ef416fc2 | 2200 | |
2201 | if (con->command) | |
2202 | { | |
2203 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2204 | { | |
5ec1fd3d | 2205 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2206 | { |
2207 | cupsdCloseClient(con); | |
2208 | return; | |
2209 | } | |
ef416fc2 | 2210 | } |
2211 | else | |
5ec1fd3d | 2212 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2213 | } |
2214 | } | |
2215 | ||
2216 | if (con->request) | |
f7deaa1a | 2217 | { |
2218 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2219 | |
2220 | if (con->filename) | |
2221 | { | |
bc44d920 | 2222 | unlink(con->filename); |
2223 | cupsdClearString(&con->filename); | |
2224 | } | |
2225 | ||
f7deaa1a | 2226 | return; |
2227 | } | |
ef416fc2 | 2228 | } |
2229 | break; | |
2230 | ||
2231 | default : | |
2232 | break; /* Anti-compiler-warning-code */ | |
2233 | } | |
2234 | ||
5ec1fd3d | 2235 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
3dfe78b3 | 2236 | { |
5ec1fd3d | 2237 | if (!httpGetKeepAlive(con->http)) |
f11a948a | 2238 | { |
996acce8 MS |
2239 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2240 | "Closing because Keep-Alive is disabled."); | |
3dfe78b3 | 2241 | cupsdCloseClient(con); |
f11a948a | 2242 | } |
3dfe78b3 MS |
2243 | else |
2244 | { | |
2245 | cupsArrayRemove(ActiveClients, con); | |
2246 | cupsdSetBusyState(); | |
2247 | } | |
2248 | } | |
ef416fc2 | 2249 | } |
2250 | ||
2251 | ||
2252 | /* | |
2253 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2254 | */ | |
2255 | ||
2256 | int /* O - 1 on success, 0 on failure */ | |
2257 | cupsdSendCommand( | |
2258 | cupsd_client_t *con, /* I - Client connection */ | |
2259 | char *command, /* I - Command to run */ | |
2260 | char *options, /* I - Command-line options */ | |
2261 | int root) /* I - Run as root? */ | |
2262 | { | |
2263 | int fd; /* Standard input file descriptor */ | |
2264 | ||
2265 | ||
2266 | if (con->filename) | |
ed486911 | 2267 | { |
ef416fc2 | 2268 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2269 | |
ed486911 | 2270 | if (fd < 0) |
2271 | { | |
996acce8 MS |
2272 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2273 | "Unable to open \"%s\" for reading: %s", | |
2274 | con->filename ? con->filename : "/dev/null", | |
2275 | strerror(errno)); | |
ed486911 | 2276 | return (0); |
2277 | } | |
ef416fc2 | 2278 | |
ed486911 | 2279 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2280 | } | |
2281 | else | |
2282 | fd = -1; | |
ef416fc2 | 2283 | |
2284 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); | |
2285 | ||
ed486911 | 2286 | if (fd >= 0) |
2287 | close(fd); | |
ef416fc2 | 2288 | |
996acce8 MS |
2289 | cupsdLogClient(con, CUPSD_LOG_INFO, "Started \"%s\" (pid=%d, file=%d)", |
2290 | command, con->pipe_pid, con->file); | |
ef416fc2 | 2291 | |
2292 | if (con->pipe_pid == 0) | |
2293 | return (0); | |
2294 | ||
2295 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2296 | ||
f899b121 | 2297 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2298 | |
996acce8 | 2299 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2300 | |
ef416fc2 | 2301 | con->sent_header = 0; |
2302 | con->file_ready = 0; | |
2303 | con->got_fields = 0; | |
68b10830 | 2304 | con->header_used = 0; |
ef416fc2 | 2305 | |
2306 | return (1); | |
2307 | } | |
2308 | ||
2309 | ||
2310 | /* | |
2311 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2312 | */ | |
2313 | ||
2314 | int /* O - 1 if successful, 0 otherwise */ | |
2315 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2316 | http_status_t code, /* I - Error code */ |
2317 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2318 | { |
996acce8 MS |
2319 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", |
2320 | code, auth_type); | |
b9faaae1 | 2321 | |
4744bd90 | 2322 | #ifdef HAVE_SSL |
2323 | /* | |
2324 | * Force client to upgrade for authentication if that is how the | |
2325 | * server is configured... | |
2326 | */ | |
2327 | ||
5ec1fd3d MS |
2328 | if (code == HTTP_STATUS_UNAUTHORIZED && |
2329 | DefaultEncryption == HTTP_ENCRYPTION_REQUIRED && | |
2330 | _cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost") && | |
2331 | !httpIsEncrypted(con->http)) | |
4744bd90 | 2332 | { |
5ec1fd3d | 2333 | code = HTTP_STATUS_UPGRADE_REQUIRED; |
4744bd90 | 2334 | } |
2335 | #endif /* HAVE_SSL */ | |
2336 | ||
ef416fc2 | 2337 | /* |
2338 | * Put the request in the access_log file... | |
2339 | */ | |
2340 | ||
2341 | cupsdLogRequest(con, code); | |
2342 | ||
ef416fc2 | 2343 | /* |
2344 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2345 | * error messages... | |
f7deaa1a | 2346 | * |
2347 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2348 | * never disable it in that case. | |
ef416fc2 | 2349 | */ |
2350 | ||
5ec1fd3d MS |
2351 | if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE) |
2352 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 2353 | |
2354 | /* | |
2355 | * Send an error message back to the client. If the error code is a | |
2356 | * 400 or 500 series, make sure the message contains some text, too! | |
2357 | */ | |
2358 | ||
f899b121 | 2359 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
ef416fc2 | 2360 | return (0); |
2361 | ||
2362 | #ifdef HAVE_SSL | |
5ec1fd3d | 2363 | if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
996acce8 | 2364 | if (httpPrintf(con->http, "Connection: Upgrade\r\n") < 0) |
ef416fc2 | 2365 | return (0); |
2366 | ||
996acce8 | 2367 | if (httpPrintf(con->http, "Upgrade: TLS/1.2,TLS/1.1,TLS/1.0\r\n") < 0) |
ef416fc2 | 2368 | return (0); |
2369 | #endif /* HAVE_SSL */ | |
2370 | ||
5ec1fd3d MS |
2371 | if (con->http->version >= HTTP_VERSION_1_1 && |
2372 | httpGetKeepAlive(con->http) == HTTP_KEEPALIVE_OFF) | |
ef416fc2 | 2373 | { |
996acce8 | 2374 | if (httpPrintf(con->http, "Connection: close\r\n") < 0) |
ef416fc2 | 2375 | return (0); |
2376 | } | |
2377 | ||
5ec1fd3d | 2378 | if (code >= HTTP_STATUS_BAD_REQUEST) |
ef416fc2 | 2379 | { |
2380 | /* | |
2381 | * Send a human-readable error message. | |
2382 | */ | |
2383 | ||
80ca4592 | 2384 | char message[4096], /* Message for user */ |
2385 | urltext[1024], /* URL redirection text */ | |
2386 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2387 | const char *text; /* Status-specific text */ |
2388 | ||
80ca4592 | 2389 | |
2390 | redirect[0] = '\0'; | |
2391 | ||
5ec1fd3d | 2392 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2393 | text = _cupsLangString(con->language, |
2394 | _("Enter your username and password or the " | |
2395 | "root username and password to access this " | |
f7deaa1a | 2396 | "page. If you are using Kerberos authentication, " |
2397 | "make sure you have a valid Kerberos ticket.")); | |
5ec1fd3d | 2398 | else if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
80ca4592 | 2399 | { |
2400 | text = urltext; | |
2401 | ||
2402 | snprintf(urltext, sizeof(urltext), | |
2403 | _cupsLangString(con->language, | |
2404 | _("You must access this page using the URL " | |
2405 | "<A HREF=\"https://%s:%d%s\">" | |
2406 | "https://%s:%d%s</A>.")), | |
2407 | con->servername, con->serverport, con->uri, | |
2408 | con->servername, con->serverport, con->uri); | |
2409 | ||
2410 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2411 | "<META HTTP-EQUIV=\"Refresh\" " |
2412 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2413 | con->servername, con->serverport, con->uri); |
2414 | } | |
5ec1fd3d | 2415 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2416 | text = _cupsLangString(con->language, |
2417 | _("The web interface is currently disabled. Run " | |
2418 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2419 | else |
2420 | text = ""; | |
2421 | ||
2422 | snprintf(message, sizeof(message), | |
745129be MS |
2423 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2424 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2425 | "<HTML>\n" |
2426 | "<HEAD>\n" | |
2427 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2428 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2429 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2430 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2431 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2432 | "%s" |
ef416fc2 | 2433 | "</HEAD>\n" |
2434 | "<BODY>\n" | |
229681c1 | 2435 | "<H1>%s</H1>\n" |
ef416fc2 | 2436 | "<P>%s</P>\n" |
2437 | "</BODY>\n" | |
2438 | "</HTML>\n", | |
41e6c1f1 MS |
2439 | _httpStatus(con->language, code), redirect, |
2440 | _httpStatus(con->language, code), text); | |
ef416fc2 | 2441 | |
996acce8 | 2442 | if (httpPrintf(con->http, "Content-Type: text/html; charset=utf-8\r\n") < 0) |
ef416fc2 | 2443 | return (0); |
996acce8 | 2444 | if (httpPrintf(con->http, "Content-Length: %d\r\n", |
ef416fc2 | 2445 | (int)strlen(message)) < 0) |
2446 | return (0); | |
996acce8 | 2447 | if (httpPrintf(con->http, "\r\n") < 0) |
ef416fc2 | 2448 | return (0); |
996acce8 | 2449 | if (httpPrintf(con->http, "%s", message) < 0) |
ef416fc2 | 2450 | return (0); |
2451 | } | |
996acce8 | 2452 | else if (httpPrintf(con->http, "\r\n") < 0) |
ef416fc2 | 2453 | return (0); |
2454 | ||
07725fee | 2455 | if (cupsdFlushHeader(con) < 0) |
2456 | return (0); | |
d09495fa | 2457 | |
996acce8 | 2458 | con->http->state = HTTP_STATE_WAITING; |
a469f8a5 MS |
2459 | |
2460 | DEBUG_puts("cupsdSendError: Set state to HTTP_STATE_WAITING."); | |
ef416fc2 | 2461 | |
2462 | return (1); | |
2463 | } | |
2464 | ||
2465 | ||
ef416fc2 | 2466 | /* |
2467 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2468 | */ | |
2469 | ||
2470 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2471 | cupsdSendHeader( |
2472 | cupsd_client_t *con, /* I - Client to send to */ | |
2473 | http_status_t code, /* I - HTTP status code */ | |
2474 | char *type, /* I - MIME type of document */ | |
2475 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2476 | { |
5a738aea | 2477 | char auth_str[1024]; /* Authorization string */ |
f7deaa1a | 2478 | |
2479 | ||
4744bd90 | 2480 | /* |
2481 | * Send the HTTP status header... | |
2482 | */ | |
2483 | ||
5ec1fd3d | 2484 | if (code == HTTP_STATUS_CONTINUE) |
b423cd4c | 2485 | { |
4744bd90 | 2486 | /* |
2487 | * 100-continue doesn't send any headers... | |
2488 | */ | |
2489 | ||
996acce8 MS |
2490 | return (httpPrintf(con->http, "HTTP/%d.%d 100 Continue\r\n\r\n", |
2491 | con->http->version / 100, con->http->version % 100) > 0); | |
b423cd4c | 2492 | } |
5ec1fd3d | 2493 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2494 | { |
2495 | /* | |
2496 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2497 | * browsers. | |
2498 | */ | |
2499 | ||
5ec1fd3d | 2500 | code = HTTP_STATUS_OK; |
229681c1 | 2501 | } |
b423cd4c | 2502 | |
996acce8 | 2503 | httpFlushWrite(con->http); |
07725fee | 2504 | |
996acce8 | 2505 | con->http->data_encoding = HTTP_ENCODING_FIELDS; |
07725fee | 2506 | |
996acce8 MS |
2507 | if (httpPrintf(con->http, "HTTP/%d.%d %d %s\r\n", con->http->version / 100, |
2508 | con->http->version % 100, code, httpStatus(code)) < 0) | |
07725fee | 2509 | return (0); |
996acce8 | 2510 | if (httpPrintf(con->http, "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) |
ef416fc2 | 2511 | return (0); |
2512 | if (ServerHeader) | |
996acce8 | 2513 | if (httpPrintf(con->http, "Server: %s\r\n", ServerHeader) < 0) |
ef416fc2 | 2514 | return (0); |
5ec1fd3d | 2515 | if (httpGetKeepAlive(con->http) && con->http->version >= HTTP_VERSION_1_0) |
ef416fc2 | 2516 | { |
996acce8 | 2517 | if (httpPrintf(con->http, "Connection: Keep-Alive\r\n") < 0) |
ef416fc2 | 2518 | return (0); |
996acce8 | 2519 | if (httpPrintf(con->http, "Keep-Alive: timeout=%d\r\n", |
ef416fc2 | 2520 | KeepAliveTimeout) < 0) |
2521 | return (0); | |
2522 | } | |
5ec1fd3d MS |
2523 | else if (httpPrintf(con->http, "Connection: close\r\n") < 0) |
2524 | return (0); | |
2525 | ||
2526 | if (code == HTTP_STATUS_METHOD_NOT_ALLOWED) | |
996acce8 | 2527 | if (httpPrintf(con->http, "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n") < 0) |
ef416fc2 | 2528 | return (0); |
2529 | ||
5ec1fd3d | 2530 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2531 | { |
5bd77a73 | 2532 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2533 | { |
5bd77a73 | 2534 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
dcb445bc | 2535 | auth_type = cupsdDefaultAuthType(); |
f899b121 | 2536 | else |
2537 | auth_type = con->best->type; | |
2538 | } | |
f7deaa1a | 2539 | |
2540 | auth_str[0] = '\0'; | |
2541 | ||
5bd77a73 | 2542 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2543 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2544 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2545 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
5ec1fd3d | 2546 | httpGetHostname(con->http, NULL, 0)); |
f7deaa1a | 2547 | #ifdef HAVE_GSSAPI |
eac3a0a0 | 2548 | else if (auth_type == CUPSD_AUTH_NEGOTIATE) |
6961465f MS |
2549 | { |
2550 | # ifdef AF_LOCAL | |
5ec1fd3d | 2551 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
6961465f MS |
2552 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
2553 | else | |
2554 | # endif /* AF_LOCAL */ | |
f7deaa1a | 2555 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
6961465f | 2556 | } |
f7deaa1a | 2557 | #endif /* HAVE_GSSAPI */ |
2558 | ||
e07d4801 | 2559 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
5ec1fd3d | 2560 | !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost")) |
ef416fc2 | 2561 | { |
e07d4801 MS |
2562 | /* |
2563 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2564 | * requests when the request requires system group membership - then the | |
2565 | * client knows the root certificate can/should be used. | |
2566 | * | |
f3c17241 | 2567 | * Also, for OS X we also look for @AUTHKEY and add an "authkey" |
e07d4801 MS |
2568 | * parameter as needed... |
2569 | */ | |
2570 | ||
10d09e33 MS |
2571 | char *name, /* Current user name */ |
2572 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2573 | size_t auth_size; /* Size of remaining buffer */ |
2574 | ||
f7deaa1a | 2575 | auth_key = auth_str + strlen(auth_str); |
2576 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2577 | ||
10d09e33 MS |
2578 | for (name = (char *)cupsArrayFirst(con->best->names); |
2579 | name; | |
2580 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2581 | { |
e07d4801 | 2582 | #ifdef HAVE_AUTHORIZATION_H |
88f9aafc | 2583 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2584 | { |
10d09e33 | 2585 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2586 | /* end parenthesis is stripped in conf.c */ |
2587 | break; | |
2588 | } | |
e07d4801 MS |
2589 | else |
2590 | #endif /* HAVE_AUTHORIZATION_H */ | |
88f9aafc | 2591 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2592 | { |
e07d4801 MS |
2593 | #ifdef HAVE_AUTHORIZATION_H |
2594 | if (SystemGroupAuthKey) | |
2595 | snprintf(auth_key, auth_size, | |
07ed0e9a | 2596 | ", authkey=\"%s\"", |
e07d4801 MS |
2597 | SystemGroupAuthKey); |
2598 | else | |
2599 | #else | |
f11a948a | 2600 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2601 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2602 | break; |
2603 | } | |
2604 | } | |
ef416fc2 | 2605 | } |
f7deaa1a | 2606 | |
bc44d920 | 2607 | if (auth_str[0]) |
2608 | { | |
996acce8 | 2609 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "WWW-Authenticate: %s", auth_str); |
bc44d920 | 2610 | |
996acce8 | 2611 | if (httpPrintf(con->http, "WWW-Authenticate: %s\r\n", auth_str) < 0) |
bc44d920 | 2612 | return (0); |
2613 | } | |
ef416fc2 | 2614 | } |
2615 | ||
e1d6a774 | 2616 | if (con->language && strcmp(con->language->language, "C")) |
ef416fc2 | 2617 | { |
996acce8 | 2618 | if (httpPrintf(con->http, "Content-Language: %s\r\n", |
ef416fc2 | 2619 | con->language->language) < 0) |
2620 | return (0); | |
2621 | } | |
2622 | ||
e1d6a774 | 2623 | if (type) |
ef416fc2 | 2624 | { |
2625 | if (!strcmp(type, "text/html")) | |
2626 | { | |
996acce8 | 2627 | if (httpPrintf(con->http, |
ef416fc2 | 2628 | "Content-Type: text/html; charset=utf-8\r\n") < 0) |
2629 | return (0); | |
2630 | } | |
996acce8 | 2631 | else if (httpPrintf(con->http, "Content-Type: %s\r\n", type) < 0) |
ef416fc2 | 2632 | return (0); |
2633 | } | |
2634 | ||
2635 | return (1); | |
2636 | } | |
2637 | ||
2638 | ||
2639 | /* | |
2640 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2641 | */ | |
2642 | ||
2643 | void | |
2644 | cupsdUpdateCGI(void) | |
2645 | { | |
2646 | char *ptr, /* Pointer to end of line in buffer */ | |
2647 | message[1024]; /* Pointer to message text */ | |
2648 | int loglevel; /* Log level for message */ | |
2649 | ||
2650 | ||
2651 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2652 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2653 | { |
2654 | if (loglevel == CUPSD_LOG_INFO) | |
2655 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2656 | ||
ef416fc2 | 2657 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2658 | break; | |
f0ab5bff | 2659 | } |
ef416fc2 | 2660 | |
d09495fa | 2661 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2662 | { |
2663 | /* | |
2664 | * Fatal error on pipe - should never happen! | |
2665 | */ | |
2666 | ||
2667 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2668 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2669 | strerror(errno)); | |
2670 | } | |
2671 | } | |
2672 | ||
2673 | ||
2674 | /* | |
2675 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2676 | */ | |
2677 | ||
f7deaa1a | 2678 | void |
ef416fc2 | 2679 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2680 | { | |
68b10830 MS |
2681 | int bytes, /* Number of bytes written */ |
2682 | field_col; /* Current column */ | |
2683 | char *bufptr, /* Pointer into buffer */ | |
2684 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2685 | ipp_state_t ipp_state; /* IPP state value */ |
2686 | ||
2687 | ||
5ec1fd3d | 2688 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "con->http=%p", con->http); |
996acce8 MS |
2689 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2690 | "cupsdWriteClient " | |
2691 | "error=%d, " | |
2692 | "used=%d, " | |
2693 | "state=%s, " | |
2694 | "data_encoding=HTTP_ENCODING_%s, " | |
2695 | "data_remaining=" CUPS_LLFMT ", " | |
2696 | "response=%p(%s), " | |
2697 | "pipe_pid=%d, " | |
2698 | "file=%d", | |
5ec1fd3d MS |
2699 | httpError(con->http), (int)httpGetReady(con->http), |
2700 | httpStateString(httpGetState(con->http)), | |
996acce8 MS |
2701 | con->http->data_encoding == HTTP_ENCODING_CHUNKED ? |
2702 | "CHUNKED" : "LENGTH", | |
2703 | CUPS_LLCAST con->http->data_remaining, | |
2704 | con->response, | |
2705 | con->response ? ipp_states[con->response->state] : "", | |
2706 | con->pipe_pid, con->file); | |
2707 | ||
5ec1fd3d MS |
2708 | if (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2709 | httpGetState(con->http) != HTTP_STATE_POST_SEND) | |
8b116e60 MS |
2710 | { |
2711 | /* | |
2712 | * If we get called in the wrong state, then something went wrong with the | |
2713 | * connection and we need to shut it down... | |
2714 | */ | |
2715 | ||
996acce8 | 2716 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP state %s.", |
5ec1fd3d | 2717 | httpStateString(httpGetState(con->http))); |
8b116e60 | 2718 | cupsdCloseClient(con); |
f7deaa1a | 2719 | return; |
8b116e60 | 2720 | } |
f7deaa1a | 2721 | |
2722 | if (con->pipe_pid) | |
2723 | { | |
2724 | /* | |
2725 | * Make sure we select on the CGI output... | |
2726 | */ | |
2727 | ||
f899b121 | 2728 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2729 | |
996acce8 | 2730 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2731 | |
f7deaa1a | 2732 | if (!con->file_ready) |
2733 | { | |
2734 | /* | |
2735 | * Try again later when there is CGI output available... | |
2736 | */ | |
2737 | ||
996acce8 | 2738 | cupsdRemoveSelect(httpGetFd(con->http)); |
f7deaa1a | 2739 | return; |
2740 | } | |
2741 | ||
2742 | con->file_ready = 0; | |
2743 | } | |
ef416fc2 | 2744 | |
5ec1fd3d | 2745 | if (con->response && con->response->state != IPP_STATE_DATA) |
ef416fc2 | 2746 | { |
996acce8 | 2747 | int wused = con->http->wused; /* Previous write buffer use */ |
94436c5a MS |
2748 | |
2749 | do | |
2750 | { | |
2751 | /* | |
2752 | * Write a single attribute or the IPP message header... | |
2753 | */ | |
2754 | ||
996acce8 | 2755 | ipp_state = ippWrite(con->http, con->response); |
94436c5a MS |
2756 | |
2757 | /* | |
2758 | * If the write buffer has been flushed, stop buffering up attributes... | |
2759 | */ | |
2760 | ||
996acce8 | 2761 | if (con->http->wused <= wused) |
94436c5a MS |
2762 | break; |
2763 | } | |
2764 | while (ipp_state != IPP_STATE_DATA && ipp_state != IPP_STATE_ERROR); | |
2765 | ||
996acce8 MS |
2766 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2767 | "Writing IPP response, ipp_state=%s, old " | |
2768 | "wused=%d, new wused=%d", | |
2769 | ipp_state == IPP_STATE_ERROR ? "ERROR" : | |
2770 | ipp_state == IPP_STATE_IDLE ? "IDLE" : | |
2771 | ipp_state == IPP_STATE_HEADER ? "HEADER" : | |
2772 | ipp_state == IPP_STATE_ATTRIBUTE ? "ATTRIBUTE" : "DATA", | |
2773 | wused, con->http->wused); | |
f2d18633 | 2774 | |
996acce8 MS |
2775 | if (con->http->wused > 0) |
2776 | httpFlushWrite(con->http); | |
94436c5a MS |
2777 | |
2778 | bytes = ipp_state != IPP_STATE_ERROR && | |
2779 | (con->file >= 0 || ipp_state != IPP_STATE_DATA); | |
21f36711 | 2780 | |
996acce8 MS |
2781 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2782 | "bytes=%d, http_state=%d, data_remaining=" CUPS_LLFMT, | |
5ec1fd3d | 2783 | (int)bytes, httpGetState(con->http), |
996acce8 | 2784 | CUPS_LLCAST con->http->data_remaining); |
ef416fc2 | 2785 | } |
a2326b5b | 2786 | else if ((bytes = read(con->file, con->header + con->header_used, |
68b10830 | 2787 | sizeof(con->header) - con->header_used)) > 0) |
ef416fc2 | 2788 | { |
68b10830 MS |
2789 | con->header_used += bytes; |
2790 | ||
ef416fc2 | 2791 | if (con->pipe_pid && !con->got_fields) |
2792 | { | |
2793 | /* | |
2794 | * Inspect the data for Content-Type and other fields. | |
2795 | */ | |
2796 | ||
68b10830 MS |
2797 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2798 | field_col = 0; | |
2799 | !con->got_fields && bufptr < bufend; | |
2800 | bufptr ++) | |
d1c13e16 | 2801 | { |
ef416fc2 | 2802 | if (*bufptr == '\n') |
2803 | { | |
2804 | /* | |
2805 | * Send line to client... | |
2806 | */ | |
2807 | ||
68b10830 | 2808 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2809 | bufptr[-1] = '\0'; |
2810 | *bufptr++ = '\0'; | |
2811 | ||
996acce8 | 2812 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2813 | |
2814 | if (!con->sent_header) | |
2815 | { | |
2816 | /* | |
2817 | * Handle redirection and CGI status codes... | |
2818 | */ | |
2819 | ||
88f9aafc | 2820 | if (!_cups_strncasecmp(con->header, "Location:", 9)) |
d6ae789d | 2821 | { |
5ec1fd3d | 2822 | if (!cupsdSendHeader(con, HTTP_STATUS_SEE_OTHER, NULL, CUPSD_AUTH_NONE)) |
321d8d57 MS |
2823 | { |
2824 | cupsdCloseClient(con); | |
2825 | return; | |
2826 | } | |
2827 | ||
07725fee | 2828 | con->sent_header = 2; |
2829 | ||
996acce8 | 2830 | if (httpPrintf(con->http, "Content-Length: 0\r\n") < 0) |
f7deaa1a | 2831 | return; |
d6ae789d | 2832 | } |
88f9aafc | 2833 | else if (!_cups_strncasecmp(con->header, "Status:", 7)) |
07725fee | 2834 | { |
68b10830 MS |
2835 | cupsdSendError(con, (http_status_t)atoi(con->header + 7), |
2836 | CUPSD_AUTH_NONE); | |
07725fee | 2837 | con->sent_header = 2; |
2838 | } | |
ef416fc2 | 2839 | else |
4744bd90 | 2840 | { |
5ec1fd3d | 2841 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
321d8d57 MS |
2842 | { |
2843 | cupsdCloseClient(con); | |
2844 | return; | |
2845 | } | |
2846 | ||
07725fee | 2847 | con->sent_header = 1; |
ef416fc2 | 2848 | |
5ec1fd3d | 2849 | if (con->http->version == HTTP_VERSION_1_1) |
4744bd90 | 2850 | { |
996acce8 | 2851 | if (httpPrintf(con->http, "Transfer-Encoding: chunked\r\n") < 0) |
f7deaa1a | 2852 | return; |
4744bd90 | 2853 | } |
2854 | } | |
ef416fc2 | 2855 | } |
2856 | ||
88f9aafc | 2857 | if (_cups_strncasecmp(con->header, "Status:", 7)) |
996acce8 | 2858 | httpPrintf(con->http, "%s\r\n", con->header); |
ef416fc2 | 2859 | |
ef416fc2 | 2860 | /* |
2861 | * Update buffer... | |
2862 | */ | |
2863 | ||
68b10830 | 2864 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2865 | |
68b10830 MS |
2866 | if (con->header_used > 0) |
2867 | memmove(con->header, bufptr, con->header_used); | |
d1c13e16 | 2868 | |
68b10830 | 2869 | bufptr = con->header - 1; |
ef416fc2 | 2870 | |
2871 | /* | |
2872 | * See if the line was empty... | |
2873 | */ | |
2874 | ||
68b10830 | 2875 | if (field_col == 0) |
d09495fa | 2876 | { |
ef416fc2 | 2877 | con->got_fields = 1; |
d09495fa | 2878 | |
07725fee | 2879 | if (cupsdFlushHeader(con) < 0) |
2880 | { | |
2881 | cupsdCloseClient(con); | |
f7deaa1a | 2882 | return; |
07725fee | 2883 | } |
d09495fa | 2884 | |
5ec1fd3d | 2885 | if (con->http->version == HTTP_VERSION_1_1) |
996acce8 | 2886 | con->http->data_encoding = HTTP_ENCODING_CHUNKED; |
d09495fa | 2887 | } |
ef416fc2 | 2888 | else |
68b10830 | 2889 | field_col = 0; |
ef416fc2 | 2890 | } |
2891 | else if (*bufptr != '\r') | |
68b10830 | 2892 | field_col ++; |
d1c13e16 | 2893 | } |
ef416fc2 | 2894 | |
68b10830 | 2895 | if (!con->got_fields) |
47879b8b | 2896 | { |
996acce8 | 2897 | con->http->activity = time(NULL); |
47879b8b MS |
2898 | return; |
2899 | } | |
ef416fc2 | 2900 | } |
2901 | ||
68b10830 | 2902 | if (con->header_used > 0) |
ef416fc2 | 2903 | { |
996acce8 | 2904 | if (httpWrite2(con->http, con->header, con->header_used) < 0) |
4744bd90 | 2905 | { |
996acce8 | 2906 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2907 | httpError(con->http), strerror(httpError(con->http))); |
4744bd90 | 2908 | cupsdCloseClient(con); |
f7deaa1a | 2909 | return; |
4744bd90 | 2910 | } |
ef416fc2 | 2911 | |
996acce8 MS |
2912 | if (con->http->data_encoding == HTTP_ENCODING_CHUNKED) |
2913 | httpFlushWrite(con->http); | |
ae71f5de | 2914 | |
68b10830 | 2915 | con->bytes += con->header_used; |
ef416fc2 | 2916 | |
5ec1fd3d | 2917 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
4744bd90 | 2918 | bytes = 0; |
68b10830 MS |
2919 | else |
2920 | bytes = con->header_used; | |
2921 | ||
2922 | con->header_used = 0; | |
4744bd90 | 2923 | } |
ef416fc2 | 2924 | } |
2925 | ||
8b116e60 | 2926 | if (bytes <= 0 || |
5ec1fd3d MS |
2927 | (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2928 | httpGetState(con->http) != HTTP_STATE_POST_SEND)) | |
ef416fc2 | 2929 | { |
38e73f87 | 2930 | if (!con->sent_header && con->pipe_pid) |
5ec1fd3d | 2931 | cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE); |
94da7e34 MS |
2932 | else |
2933 | { | |
5ec1fd3d | 2934 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2935 | |
996acce8 | 2936 | httpFlushWrite(con->http); |
ef416fc2 | 2937 | |
996acce8 | 2938 | if (con->http->data_encoding == HTTP_ENCODING_CHUNKED && |
21f36711 | 2939 | con->sent_header == 1) |
ef416fc2 | 2940 | { |
996acce8 | 2941 | if (httpWrite2(con->http, "", 0) < 0) |
94da7e34 | 2942 | { |
996acce8 | 2943 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2944 | httpError(con->http), strerror(httpError(con->http))); |
94da7e34 MS |
2945 | cupsdCloseClient(con); |
2946 | return; | |
2947 | } | |
ef416fc2 | 2948 | } |
2949 | } | |
2950 | ||
996acce8 | 2951 | con->http->state = HTTP_STATE_WAITING; |
ef416fc2 | 2952 | |
996acce8 | 2953 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2954 | |
996acce8 | 2955 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 2956 | |
ef416fc2 | 2957 | if (con->file >= 0) |
2958 | { | |
f7deaa1a | 2959 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2960 | |
2961 | if (con->pipe_pid) | |
2962 | cupsdEndProcess(con->pipe_pid, 0); | |
2963 | ||
ef416fc2 | 2964 | close(con->file); |
2965 | con->file = -1; | |
2966 | con->pipe_pid = 0; | |
2967 | } | |
2968 | ||
2969 | if (con->filename) | |
2970 | { | |
ef416fc2 | 2971 | unlink(con->filename); |
2972 | cupsdClearString(&con->filename); | |
2973 | } | |
2974 | ||
2abf387c | 2975 | if (con->request) |
ef416fc2 | 2976 | { |
2977 | ippDelete(con->request); | |
2978 | con->request = NULL; | |
2979 | } | |
2980 | ||
2abf387c | 2981 | if (con->response) |
ef416fc2 | 2982 | { |
2983 | ippDelete(con->response); | |
2984 | con->response = NULL; | |
2985 | } | |
2986 | ||
2987 | cupsdClearString(&con->command); | |
2988 | cupsdClearString(&con->options); | |
b86bc4cf | 2989 | cupsdClearString(&con->query_string); |
ef416fc2 | 2990 | |
5ec1fd3d | 2991 | if (!httpGetKeepAlive(con->http)) |
ef416fc2 | 2992 | { |
996acce8 MS |
2993 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2994 | "Closing because Keep-Alive is disabled."); | |
ef416fc2 | 2995 | cupsdCloseClient(con); |
f7deaa1a | 2996 | return; |
ef416fc2 | 2997 | } |
f11a948a MS |
2998 | else |
2999 | { | |
3000 | cupsArrayRemove(ActiveClients, con); | |
3001 | cupsdSetBusyState(); | |
3002 | } | |
ef416fc2 | 3003 | } |
3004 | ||
996acce8 | 3005 | con->http->activity = time(NULL); |
f7deaa1a | 3006 | } |
ef416fc2 | 3007 | |
f7deaa1a | 3008 | |
e1d6a774 | 3009 | /* |
3010 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
3011 | */ | |
3012 | ||
3013 | static int /* O - 1 if modified since */ | |
3014 | check_if_modified( | |
3015 | cupsd_client_t *con, /* I - Client connection */ | |
3016 | struct stat *filestats) /* I - File information */ | |
3017 | { | |
5ec1fd3d | 3018 | const char *ptr; /* Pointer into field */ |
e1d6a774 | 3019 | time_t date; /* Time/date value */ |
3020 | off_t size; /* Size/length value */ | |
3021 | ||
3022 | ||
3023 | size = 0; | |
3024 | date = 0; | |
5ec1fd3d | 3025 | ptr = httpGetField(con->http, HTTP_FIELD_IF_MODIFIED_SINCE); |
e1d6a774 | 3026 | |
3027 | if (*ptr == '\0') | |
3028 | return (1); | |
3029 | ||
996acce8 MS |
3030 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3031 | "check_if_modified " | |
3032 | "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", | |
3033 | filestats, CUPS_LLCAST filestats->st_size, | |
3034 | (int)filestats->st_mtime, ptr); | |
e1d6a774 | 3035 | |
3036 | while (*ptr != '\0') | |
3037 | { | |
3038 | while (isspace(*ptr) || *ptr == ';') | |
3039 | ptr ++; | |
3040 | ||
88f9aafc | 3041 | if (_cups_strncasecmp(ptr, "length=", 7) == 0) |
e1d6a774 | 3042 | { |
3043 | ptr += 7; | |
3044 | size = strtoll(ptr, NULL, 10); | |
3045 | ||
3046 | while (isdigit(*ptr)) | |
3047 | ptr ++; | |
3048 | } | |
3049 | else if (isalpha(*ptr)) | |
3050 | { | |
3051 | date = httpGetDateTime(ptr); | |
3052 | while (*ptr != '\0' && *ptr != ';') | |
3053 | ptr ++; | |
3054 | } | |
e53920b9 | 3055 | else |
3056 | ptr ++; | |
e1d6a774 | 3057 | } |
3058 | ||
e1d6a774 | 3059 | return ((size != filestats->st_size && size != 0) || |
3060 | (date < filestats->st_mtime && date != 0) || | |
3061 | (size == 0 && date == 0)); | |
3062 | } | |
3063 | ||
3064 | ||
3dfe78b3 MS |
3065 | /* |
3066 | * 'compare_clients()' - Compare two client connections. | |
3067 | */ | |
3068 | ||
3069 | static int /* O - Result of comparison */ | |
3070 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
3071 | cupsd_client_t *b, /* I - Second client */ | |
3072 | void *data) /* I - User data (not used) */ | |
3073 | { | |
3074 | (void)data; | |
3075 | ||
3076 | if (a == b) | |
3077 | return (0); | |
3078 | else if (a < b) | |
3079 | return (-1); | |
3080 | else | |
3081 | return (1); | |
3082 | } | |
3083 | ||
3084 | ||
ef416fc2 | 3085 | /* |
3086 | * 'get_file()' - Get a filename and state info. | |
3087 | */ | |
3088 | ||
3089 | static char * /* O - Real filename */ | |
3090 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
3091 | struct stat *filestats, /* O - File information */ | |
3092 | char *filename, /* IO - Filename buffer */ | |
3093 | int len) /* I - Buffer length */ | |
3094 | { | |
3095 | int status; /* Status of filesystem calls */ | |
3096 | char *ptr; /* Pointer info filename */ | |
3097 | int plen; /* Remaining length after pointer */ | |
db1f069b | 3098 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 3099 | |
3100 | ||
3101 | /* | |
f7deaa1a | 3102 | * Figure out the real filename... |
ef416fc2 | 3103 | */ |
3104 | ||
db1f069b MS |
3105 | language[0] = '\0'; |
3106 | ||
7cf5915e | 3107 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
ef416fc2 | 3108 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
7cf5915e MS |
3109 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
3110 | { | |
3111 | snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7); | |
3112 | if (access(filename, F_OK) < 0) | |
3113 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
3114 | } | |
f7deaa1a | 3115 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
3116 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 3117 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
3118 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
3119 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
3120 | { | |
2e4ff8af | 3121 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 3122 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 3123 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 3124 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 3125 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 3126 | strlcpy(filename, PageLog, len); |
3127 | else | |
3128 | return (NULL); | |
3129 | } | |
d6ae789d | 3130 | else if (con->language) |
db1f069b MS |
3131 | { |
3132 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
3133 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3134 | } | |
ef416fc2 | 3135 | else |
3136 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
3137 | ||
3138 | if ((ptr = strchr(filename, '?')) != NULL) | |
3139 | *ptr = '\0'; | |
3140 | ||
3141 | /* | |
3142 | * Grab the status for this language; if there isn't a language-specific file | |
3143 | * then fallback to the default one... | |
3144 | */ | |
3145 | ||
db1f069b | 3146 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 3147 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 3148 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 3149 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 3150 | strncmp(con->uri, "/admin/conf/", 12) && |
3151 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 3152 | { |
3153 | /* | |
d6ae789d | 3154 | * Drop the country code... |
ef416fc2 | 3155 | */ |
3156 | ||
db1f069b MS |
3157 | language[3] = '\0'; |
3158 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 3159 | |
3160 | if ((ptr = strchr(filename, '?')) != NULL) | |
3161 | *ptr = '\0'; | |
3162 | ||
3163 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 3164 | { |
d6ae789d | 3165 | /* |
3166 | * Drop the language prefix and try the root directory... | |
3167 | */ | |
3168 | ||
db1f069b | 3169 | language[0] = '\0'; |
ef416fc2 | 3170 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
3171 | ||
3172 | if ((ptr = strchr(filename, '?')) != NULL) | |
3173 | *ptr = '\0'; | |
3174 | ||
3175 | status = stat(filename, filestats); | |
3176 | } | |
3177 | } | |
3178 | ||
3179 | /* | |
3180 | * If we're found a directory, get the index.html file instead... | |
3181 | */ | |
3182 | ||
3183 | if (!status && S_ISDIR(filestats->st_mode)) | |
3184 | { | |
db1f069b MS |
3185 | /* |
3186 | * Make sure the URI ends with a slash... | |
3187 | */ | |
ef416fc2 | 3188 | |
db1f069b MS |
3189 | if (con->uri[strlen(con->uri) - 1] != '/') |
3190 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3191 | |
db1f069b MS |
3192 | /* |
3193 | * Find the directory index file, trying every language... | |
3194 | */ | |
ef416fc2 | 3195 | |
db1f069b | 3196 | do |
ef416fc2 | 3197 | { |
db1f069b MS |
3198 | if (status && language[0]) |
3199 | { | |
3200 | /* | |
3201 | * Try a different language subset... | |
3202 | */ | |
3203 | ||
3204 | if (language[3]) | |
3205 | language[0] = '\0'; /* Strip country code */ | |
3206 | else | |
3207 | language[0] = '\0'; /* Strip language */ | |
3208 | } | |
3209 | ||
3210 | /* | |
3211 | * Look for the index file... | |
3212 | */ | |
3213 | ||
3214 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3215 | ||
3216 | if ((ptr = strchr(filename, '?')) != NULL) | |
3217 | *ptr = '\0'; | |
3218 | ||
3219 | ptr = filename + strlen(filename); | |
3220 | plen = len - (ptr - filename); | |
3221 | ||
3222 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3223 | status = stat(filename, filestats); |
db1f069b MS |
3224 | |
3225 | #ifdef HAVE_JAVA | |
3226 | if (status) | |
3227 | { | |
3228 | strlcpy(ptr, "index.class", plen); | |
3229 | status = stat(filename, filestats); | |
3230 | } | |
ef416fc2 | 3231 | #endif /* HAVE_JAVA */ |
3232 | ||
3233 | #ifdef HAVE_PERL | |
db1f069b MS |
3234 | if (status) |
3235 | { | |
3236 | strlcpy(ptr, "index.pl", plen); | |
3237 | status = stat(filename, filestats); | |
3238 | } | |
ef416fc2 | 3239 | #endif /* HAVE_PERL */ |
3240 | ||
3241 | #ifdef HAVE_PHP | |
db1f069b MS |
3242 | if (status) |
3243 | { | |
3244 | strlcpy(ptr, "index.php", plen); | |
3245 | status = stat(filename, filestats); | |
3246 | } | |
ef416fc2 | 3247 | #endif /* HAVE_PHP */ |
3248 | ||
3249 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3250 | if (status) |
3251 | { | |
3252 | strlcpy(ptr, "index.pyc", plen); | |
3253 | status = stat(filename, filestats); | |
3254 | } | |
ef416fc2 | 3255 | |
db1f069b MS |
3256 | if (status) |
3257 | { | |
3258 | strlcpy(ptr, "index.py", plen); | |
3259 | status = stat(filename, filestats); | |
3260 | } | |
ef416fc2 | 3261 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3262 | |
3263 | } | |
3264 | while (status && language[0]); | |
ef416fc2 | 3265 | } |
3266 | ||
996acce8 MS |
3267 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3268 | "get_file filestats=%p, filename=%p, len=%d, " | |
3269 | "returning \"%s\".", filestats, filename, len, | |
3270 | status ? "(null)" : filename); | |
ef416fc2 | 3271 | |
ef416fc2 | 3272 | if (status) |
3273 | return (NULL); | |
3274 | else | |
3275 | return (filename); | |
3276 | } | |
3277 | ||
3278 | ||
3279 | /* | |
c41769ff | 3280 | * 'install_cupsd_conf()' - Install a configuration file. |
ef416fc2 | 3281 | */ |
3282 | ||
3283 | static http_status_t /* O - Status */ | |
c41769ff | 3284 | install_cupsd_conf(cupsd_client_t *con) /* I - Connection */ |
ef416fc2 | 3285 | { |
321d8d57 | 3286 | char filename[1024]; /* Configuration filename */ |
ef416fc2 | 3287 | cups_file_t *in, /* Input file */ |
3288 | *out; /* Output file */ | |
321d8d57 MS |
3289 | char buffer[16384]; /* Copy buffer */ |
3290 | ssize_t bytes; /* Number of bytes */ | |
ef416fc2 | 3291 | |
3292 | ||
3293 | /* | |
321d8d57 | 3294 | * Open the request file... |
ef416fc2 | 3295 | */ |
3296 | ||
321d8d57 | 3297 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
ef416fc2 | 3298 | { |
996acce8 | 3299 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s", |
321d8d57 | 3300 | con->filename, strerror(errno)); |
5ec1fd3d | 3301 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3302 | } |
3303 | ||
3304 | /* | |
321d8d57 | 3305 | * Open the new config file... |
ef416fc2 | 3306 | */ |
3307 | ||
cb7f98ee | 3308 | if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL) |
ef416fc2 | 3309 | { |
3310 | cupsFileClose(in); | |
5ec1fd3d | 3311 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3312 | } |
3313 | ||
996acce8 | 3314 | cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...", |
cb7f98ee | 3315 | ConfigurationFile); |
ef416fc2 | 3316 | |
3317 | /* | |
3318 | * Copy from the request to the new config file... | |
3319 | */ | |
3320 | ||
3321 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3322 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3323 | { | |
996acce8 | 3324 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
321d8d57 | 3325 | "Unable to copy to config file \"%s\": %s", |
cb7f98ee | 3326 | ConfigurationFile, strerror(errno)); |
ef416fc2 | 3327 | |
3328 | cupsFileClose(in); | |
3329 | cupsFileClose(out); | |
321d8d57 | 3330 | |
cb7f98ee MS |
3331 | snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile); |
3332 | cupsdUnlinkOrRemoveFile(filename); | |
ef416fc2 | 3333 | |
5ec1fd3d | 3334 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3335 | } |
3336 | ||
3337 | /* | |
3338 | * Close the files... | |
3339 | */ | |
3340 | ||
3341 | cupsFileClose(in); | |
ef416fc2 | 3342 | |
cb7f98ee | 3343 | if (cupsdCloseCreatedConfFile(out, ConfigurationFile)) |
5ec1fd3d | 3344 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3345 | |
3346 | /* | |
3347 | * Remove the request file... | |
3348 | */ | |
3349 | ||
cb7f98ee | 3350 | cupsdUnlinkOrRemoveFile(con->filename); |
ef416fc2 | 3351 | cupsdClearString(&con->filename); |
3352 | ||
ef416fc2 | 3353 | /* |
c41769ff | 3354 | * Set the NeedReload flag... |
ef416fc2 | 3355 | */ |
3356 | ||
c41769ff | 3357 | NeedReload = RELOAD_CUPSD; |
ef416fc2 | 3358 | ReloadTime = time(NULL); |
3359 | ||
3360 | /* | |
3361 | * Return that the file was created successfully... | |
3362 | */ | |
3363 | ||
5ec1fd3d | 3364 | return (HTTP_STATUS_CREATED); |
ef416fc2 | 3365 | } |
3366 | ||
3367 | ||
e1d6a774 | 3368 | /* |
3369 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3370 | */ | |
3371 | ||
3372 | static int /* O - 1 = CGI, 0 = file */ | |
3373 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3374 | const char *filename, /* I - Real filename */ | |
3375 | struct stat *filestats, /* I - File information */ | |
3376 | mime_type_t *type) /* I - MIME type */ | |
3377 | { | |
3378 | const char *options; /* Options on URL */ | |
3379 | ||
3380 | ||
e1d6a774 | 3381 | /* |
3382 | * Get the options, if any... | |
3383 | */ | |
3384 | ||
3385 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3386 | { |
3387 | options ++; | |
3388 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3389 | } | |
b86bc4cf | 3390 | |
e1d6a774 | 3391 | /* |
3392 | * Check for known types... | |
3393 | */ | |
3394 | ||
88f9aafc | 3395 | if (!type || _cups_strcasecmp(type->super, "application")) |
e1d6a774 | 3396 | { |
996acce8 MS |
3397 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3398 | "is_cgi filename=\"%s\", filestats=%p, " | |
3399 | "type=%s/%s, returning 0", filename, | |
3400 | filestats, type ? type->super : "unknown", | |
3401 | type ? type->type : "unknown"); | |
e1d6a774 | 3402 | return (0); |
3403 | } | |
3404 | ||
88f9aafc | 3405 | if (!_cups_strcasecmp(type->type, "x-httpd-cgi") && |
e1d6a774 | 3406 | (filestats->st_mode & 0111)) |
3407 | { | |
3408 | /* | |
3409 | * "application/x-httpd-cgi" is a CGI script. | |
3410 | */ | |
3411 | ||
3412 | cupsdSetString(&con->command, filename); | |
3413 | ||
a0f6818e MS |
3414 | if (options) |
3415 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3416 | |
996acce8 MS |
3417 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3418 | "is_cgi filename=\"%s\", filestats=%p, " | |
3419 | "type=%s/%s, returning 1", filename, | |
3420 | filestats, type->super, type->type); | |
e1d6a774 | 3421 | return (1); |
3422 | } | |
3423 | #ifdef HAVE_JAVA | |
88f9aafc | 3424 | else if (!_cups_strcasecmp(type->type, "x-httpd-java")) |
e1d6a774 | 3425 | { |
3426 | /* | |
3427 | * "application/x-httpd-java" is a Java servlet. | |
3428 | */ | |
3429 | ||
3430 | cupsdSetString(&con->command, CUPS_JAVA); | |
3431 | ||
3432 | if (options) | |
b94498cf | 3433 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3434 | else |
b94498cf | 3435 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3436 | |
996acce8 MS |
3437 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3438 | "is_cgi filename=\"%s\", filestats=%p, " | |
3439 | "type=%s/%s, returning 1", filename, | |
3440 | filestats, type->super, type->type); | |
e1d6a774 | 3441 | return (1); |
3442 | } | |
3443 | #endif /* HAVE_JAVA */ | |
3444 | #ifdef HAVE_PERL | |
88f9aafc | 3445 | else if (!_cups_strcasecmp(type->type, "x-httpd-perl")) |
e1d6a774 | 3446 | { |
3447 | /* | |
3448 | * "application/x-httpd-perl" is a Perl page. | |
3449 | */ | |
3450 | ||
3451 | cupsdSetString(&con->command, CUPS_PERL); | |
3452 | ||
3453 | if (options) | |
b94498cf | 3454 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3455 | else |
b94498cf | 3456 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3457 | |
996acce8 MS |
3458 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3459 | "is_cgi filename=\"%s\", filestats=%p, " | |
3460 | "type=%s/%s, returning 1", filename, | |
3461 | filestats, type->super, type->type); | |
e1d6a774 | 3462 | return (1); |
3463 | } | |
3464 | #endif /* HAVE_PERL */ | |
3465 | #ifdef HAVE_PHP | |
88f9aafc | 3466 | else if (!_cups_strcasecmp(type->type, "x-httpd-php")) |
e1d6a774 | 3467 | { |
3468 | /* | |
3469 | * "application/x-httpd-php" is a PHP page. | |
3470 | */ | |
3471 | ||
3472 | cupsdSetString(&con->command, CUPS_PHP); | |
3473 | ||
3474 | if (options) | |
b94498cf | 3475 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3476 | else |
b94498cf | 3477 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3478 | |
996acce8 MS |
3479 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3480 | "is_cgi filename=\"%s\", filestats=%p, " | |
3481 | "type=%s/%s, returning 1", filename, | |
3482 | filestats, type->super, type->type); | |
e1d6a774 | 3483 | return (1); |
3484 | } | |
3485 | #endif /* HAVE_PHP */ | |
3486 | #ifdef HAVE_PYTHON | |
88f9aafc | 3487 | else if (!_cups_strcasecmp(type->type, "x-httpd-python")) |
e1d6a774 | 3488 | { |
3489 | /* | |
3490 | * "application/x-httpd-python" is a Python page. | |
3491 | */ | |
3492 | ||
3493 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3494 | ||
3495 | if (options) | |
b94498cf | 3496 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3497 | else |
b94498cf | 3498 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3499 | |
996acce8 MS |
3500 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3501 | "is_cgi filename=\"%s\", filestats=%p, " | |
3502 | "type=%s/%s, returning 1", filename, | |
3503 | filestats, type->super, type->type); | |
e1d6a774 | 3504 | return (1); |
3505 | } | |
3506 | #endif /* HAVE_PYTHON */ | |
3507 | ||
996acce8 MS |
3508 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3509 | "is_cgi filename=\"%s\", filestats=%p, " | |
3510 | "type=%s/%s, returning 0", filename, | |
3511 | filestats, type->super, type->type); | |
e1d6a774 | 3512 | return (0); |
3513 | } | |
3514 | ||
3515 | ||
ef416fc2 | 3516 | /* |
3517 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3518 | */ | |
3519 | ||
3520 | static int /* O - 0 if relative, 1 if absolute */ | |
3521 | is_path_absolute(const char *path) /* I - Input path */ | |
3522 | { | |
3523 | /* | |
3524 | * Check for a leading slash... | |
3525 | */ | |
3526 | ||
3527 | if (path[0] != '/') | |
3528 | return (0); | |
3529 | ||
3530 | /* | |
3531 | * Check for "/.." in the path... | |
3532 | */ | |
3533 | ||
3534 | while ((path = strstr(path, "/..")) != NULL) | |
3535 | { | |
3536 | if (!path[3] || path[3] == '/') | |
3537 | return (0); | |
3538 | ||
3539 | path ++; | |
3540 | } | |
3541 | ||
3542 | /* | |
3543 | * If we haven't found any relative paths, return 1 indicating an | |
3544 | * absolute path... | |
3545 | */ | |
3546 | ||
3547 | return (1); | |
3548 | } | |
3549 | ||
3550 | ||
3551 | /* | |
3552 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
3553 | */ | |
3554 | ||
3555 | static int /* O - Process ID */ | |
3556 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
3557 | int infile, /* I - Standard input for command */ | |
3558 | int *outfile, /* O - Standard output for command */ | |
3559 | char *command, /* I - Command to run */ | |
3560 | char *options, /* I - Options for command */ | |
3561 | int root) /* I - Run as root? */ | |
3562 | { | |
3563 | int i; /* Looping var */ | |
3564 | int pid; /* Process ID */ | |
b423cd4c | 3565 | char *commptr, /* Command string pointer */ |
3566 | commch; /* Command string character */ | |
ef416fc2 | 3567 | char *uriptr; /* URI string pointer */ |
3568 | int fds[2]; /* Pipe FDs */ | |
3569 | int argc; /* Number of arguments */ | |
3570 | int envc; /* Number of environment variables */ | |
3571 | char argbuf[10240], /* Argument buffer */ | |
3572 | *argv[100], /* Argument strings */ | |
b94498cf | 3573 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 3574 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 3575 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 3576 | content_type[1024], /* CONTENT_TYPE environment variable */ |
3577 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 3578 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 3579 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
3580 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 3581 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 3582 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3583 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3584 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 3585 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 3586 | script_name[1024], /* SCRIPT_NAME environment variable */ |
3587 | server_name[1024], /* SERVER_NAME environment variable */ | |
3588 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 3589 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
ef416fc2 | 3590 | |
3591 | ||
3592 | /* | |
3593 | * Parse a copy of the options string, which is of the form: | |
3594 | * | |
b423cd4c | 3595 | * argument+argument+argument |
3596 | * ?argument+argument+argument | |
3597 | * param=value¶m=value | |
3598 | * ?param=value¶m=value | |
3599 | * /name?argument+argument+argument | |
3600 | * /name?param=value¶m=value | |
ef416fc2 | 3601 | * |
3602 | * If the string contains an "=" character after the initial name, | |
3603 | * then we treat it as a HTTP GET form request and make a copy of | |
3604 | * the remaining string for the environment variable. | |
3605 | * | |
3606 | * The string is always parsed out as command-line arguments, to | |
3607 | * be consistent with Apache... | |
3608 | */ | |
3609 | ||
996acce8 MS |
3610 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3611 | "pipe_command infile=%d, outfile=%p, " | |
3612 | "command=\"%s\", options=\"%s\", root=%d", | |
3613 | infile, outfile, command, | |
3614 | options ? options : "(null)", root); | |
ef416fc2 | 3615 | |
b86bc4cf | 3616 | argv[0] = command; |
ef416fc2 | 3617 | |
b423cd4c | 3618 | if (options) |
c7017ecc MS |
3619 | { |
3620 | commptr = options; | |
3621 | if (*commptr == ' ') | |
3622 | commptr ++; | |
3623 | strlcpy(argbuf, commptr, sizeof(argbuf)); | |
3624 | } | |
b423cd4c | 3625 | else |
3626 | argbuf[0] = '\0'; | |
3627 | ||
3628 | if (argbuf[0] == '/') | |
ef416fc2 | 3629 | { |
3630 | /* | |
b423cd4c | 3631 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 3632 | */ |
3633 | ||
b423cd4c | 3634 | if ((commptr = strchr(argbuf, '?')) == NULL) |
3635 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 3636 | |
b423cd4c | 3637 | commch = *commptr; |
3638 | *commptr = '\0'; | |
3639 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
3640 | *commptr = commch; | |
3641 | } | |
3642 | else | |
3643 | { | |
3644 | commptr = argbuf; | |
3645 | path_info[0] = '\0'; | |
b94498cf | 3646 | |
3647 | if (*commptr == ' ') | |
3648 | commptr ++; | |
b423cd4c | 3649 | } |
ef416fc2 | 3650 | |
cb7f98ee | 3651 | if (*commptr == '?' && con->operation == HTTP_STATE_GET && !con->query_string) |
b423cd4c | 3652 | { |
3653 | commptr ++; | |
b86bc4cf | 3654 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 3655 | } |
ef416fc2 | 3656 | |
b423cd4c | 3657 | argc = 1; |
ef416fc2 | 3658 | |
b423cd4c | 3659 | if (*commptr) |
3660 | { | |
3661 | argv[argc ++] = commptr; | |
ef416fc2 | 3662 | |
b423cd4c | 3663 | for (; *commptr && argc < 99; commptr ++) |
3664 | { | |
ef416fc2 | 3665 | /* |
b423cd4c | 3666 | * Break arguments whenever we see a + or space... |
ef416fc2 | 3667 | */ |
3668 | ||
b423cd4c | 3669 | if (*commptr == ' ' || *commptr == '+') |
3670 | { | |
3671 | while (*commptr == ' ' || *commptr == '+') | |
3672 | *commptr++ = '\0'; | |
ef416fc2 | 3673 | |
b423cd4c | 3674 | /* |
3675 | * If we don't have a blank string, save it as another argument... | |
3676 | */ | |
ef416fc2 | 3677 | |
b423cd4c | 3678 | if (*commptr) |
3679 | { | |
3680 | argv[argc] = commptr; | |
3681 | argc ++; | |
3682 | } | |
3683 | else | |
3684 | break; | |
3685 | } | |
3686 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
3687 | isxdigit(commptr[2] & 255)) | |
3688 | { | |
3689 | /* | |
3690 | * Convert the %xx notation to the individual character. | |
3691 | */ | |
ef416fc2 | 3692 | |
b423cd4c | 3693 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3694 | *commptr = (commptr[1] - '0') << 4; | |
3695 | else | |
3696 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 3697 | |
b423cd4c | 3698 | if (commptr[2] >= '0' && commptr[2] <= '9') |
3699 | *commptr |= commptr[2] - '0'; | |
3700 | else | |
3701 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 3702 | |
b423cd4c | 3703 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 3704 | |
b423cd4c | 3705 | /* |
3706 | * Check for a %00 and break if that is the case... | |
3707 | */ | |
ef416fc2 | 3708 | |
b423cd4c | 3709 | if (!*commptr) |
3710 | break; | |
3711 | } | |
ef416fc2 | 3712 | } |
3713 | } | |
3714 | ||
3715 | argv[argc] = NULL; | |
3716 | ||
ef416fc2 | 3717 | /* |
3718 | * Setup the environment variables as needed... | |
3719 | */ | |
3720 | ||
b94498cf | 3721 | if (con->username[0]) |
3722 | { | |
c7017ecc | 3723 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
996acce8 | 3724 | httpGetField(con->http, HTTP_FIELD_AUTHORIZATION)); |
b94498cf | 3725 | |
3726 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
3727 | *uriptr = '\0'; | |
3728 | } | |
3729 | else | |
3730 | auth_type[0] = '\0'; | |
3731 | ||
7dfedb92 MS |
3732 | if (con->request && |
3733 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
3734 | IPP_TAG_LANGUAGE)) != NULL) | |
3735 | { | |
3736 | switch (strlen(attr->values[0].string.text)) | |
3737 | { | |
3738 | default : | |
3739 | /* | |
3740 | * This is an unknown or badly formatted language code; use | |
3741 | * the POSIX locale... | |
3742 | */ | |
3743 | ||
5a9febac | 3744 | strlcpy(lang, "LANG=C", sizeof(lang)); |
7dfedb92 MS |
3745 | break; |
3746 | ||
3747 | case 2 : | |
3748 | /* | |
3749 | * Just the language code (ll)... | |
3750 | */ | |
3751 | ||
3752 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
3753 | attr->values[0].string.text); | |
3754 | break; | |
3755 | ||
3756 | case 5 : | |
3757 | /* | |
3758 | * Language and country code (ll-cc)... | |
3759 | */ | |
3760 | ||
3761 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
3762 | attr->values[0].string.text[0], | |
3763 | attr->values[0].string.text[1], | |
3764 | toupper(attr->values[0].string.text[3] & 255), | |
3765 | toupper(attr->values[0].string.text[4] & 255)); | |
3766 | break; | |
3767 | } | |
3768 | } | |
3769 | else if (con->language) | |
3770 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 3771 | else |
5a9febac | 3772 | strlcpy(lang, "LANG=C", sizeof(lang)); |
ef416fc2 | 3773 | |
5a9febac | 3774 | strlcpy(remote_addr, "REMOTE_ADDR=", sizeof(remote_addr)); |
5ec1fd3d | 3775 | httpAddrString(httpGetAddress(con->http), remote_addr + 12, |
ef416fc2 | 3776 | sizeof(remote_addr) - 12); |
3777 | ||
3778 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
5ec1fd3d | 3779 | httpGetHostname(con->http, NULL, 0)); |
ef416fc2 | 3780 | |
3781 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3782 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3783 | *uriptr = '\0'; | |
3784 | ||
b94498cf | 3785 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
3786 | DocumentRoot, script_name + 12); | |
3787 | ||
ef416fc2 | 3788 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
3789 | ||
5ec1fd3d | 3790 | if (httpGetField(con->http, HTTP_FIELD_HOST)[0]) |
0268488e MS |
3791 | { |
3792 | char *nameptr; /* Pointer to ":port" */ | |
3793 | ||
3794 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
5ec1fd3d | 3795 | httpGetField(con->http, HTTP_FIELD_HOST)); |
0268488e MS |
3796 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) |
3797 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
3798 | } | |
3799 | else | |
3800 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3801 | con->servername); | |
ef416fc2 | 3802 | |
3803 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3804 | ||
b94498cf | 3805 | if (auth_type[0]) |
3806 | envp[envc ++] = auth_type; | |
3807 | ||
ef416fc2 | 3808 | envp[envc ++] = lang; |
3809 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 3810 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 3811 | envp[envc ++] = server_name; |
3812 | envp[envc ++] = server_port; | |
3813 | envp[envc ++] = remote_addr; | |
3814 | envp[envc ++] = remote_host; | |
3815 | envp[envc ++] = script_name; | |
b94498cf | 3816 | envp[envc ++] = script_filename; |
ef416fc2 | 3817 | |
b423cd4c | 3818 | if (path_info[0]) |
3819 | envp[envc ++] = path_info; | |
3820 | ||
ef416fc2 | 3821 | if (con->username[0]) |
3822 | { | |
3823 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
3824 | ||
3825 | envp[envc ++] = remote_user; | |
3826 | } | |
3827 | ||
5ec1fd3d | 3828 | if (con->http->version == HTTP_VERSION_1_1) |
ef416fc2 | 3829 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; |
5ec1fd3d | 3830 | else if (con->http->version == HTTP_VERSION_1_0) |
ef416fc2 | 3831 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; |
3832 | else | |
3833 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3834 | ||
996acce8 | 3835 | if (con->http->cookie) |
ef416fc2 | 3836 | { |
3837 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
996acce8 | 3838 | con->http->cookie); |
ef416fc2 | 3839 | envp[envc ++] = http_cookie; |
3840 | } | |
3841 | ||
5ec1fd3d | 3842 | if (httpGetField(con->http, HTTP_FIELD_USER_AGENT)[0]) |
ef416fc2 | 3843 | { |
3844 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
5ec1fd3d | 3845 | httpGetField(con->http, HTTP_FIELD_USER_AGENT)); |
ef416fc2 | 3846 | envp[envc ++] = http_user_agent; |
3847 | } | |
3848 | ||
5ec1fd3d | 3849 | if (httpGetField(con->http, HTTP_FIELD_REFERER)[0]) |
f7deaa1a | 3850 | { |
3851 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5ec1fd3d | 3852 | httpGetField(con->http, HTTP_FIELD_REFERER)); |
f7deaa1a | 3853 | envp[envc ++] = http_referer; |
3854 | } | |
3855 | ||
cb7f98ee | 3856 | if (con->operation == HTTP_STATE_GET) |
ef416fc2 | 3857 | { |
ef416fc2 | 3858 | envp[envc ++] = "REQUEST_METHOD=GET"; |
3859 | ||
b86bc4cf | 3860 | if (con->query_string) |
ef416fc2 | 3861 | { |
3862 | /* | |
3863 | * Add GET form variables after ?... | |
3864 | */ | |
3865 | ||
b86bc4cf | 3866 | envp[envc ++] = con->query_string; |
ef416fc2 | 3867 | } |
3dfe78b3 MS |
3868 | else |
3869 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 3870 | } |
3871 | else | |
3872 | { | |
e1d6a774 | 3873 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
3874 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 3875 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5ec1fd3d | 3876 | httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE)); |
ef416fc2 | 3877 | |
3878 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
3879 | envp[envc ++] = content_length; | |
3880 | envp[envc ++] = content_type; | |
3881 | } | |
3882 | ||
3883 | /* | |
3884 | * Tell the CGI if we are using encryption... | |
3885 | */ | |
3886 | ||
996acce8 | 3887 | if (con->http->tls) |
ef416fc2 | 3888 | envp[envc ++] = "HTTPS=ON"; |
3889 | ||
3890 | /* | |
3891 | * Terminate the environment array... | |
3892 | */ | |
3893 | ||
3894 | envp[envc] = NULL; | |
3895 | ||
38e73f87 | 3896 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 3897 | { |
3898 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
3899 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3900 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 3901 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
3902 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3903 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 3904 | } |
3905 | ||
3906 | /* | |
3907 | * Create a pipe for the output... | |
3908 | */ | |
3909 | ||
3910 | if (cupsdOpenPipe(fds)) | |
3911 | { | |
38e73f87 | 3912 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 3913 | argv[0], strerror(errno)); |
3914 | return (0); | |
3915 | } | |
3916 | ||
3917 | /* | |
3918 | * Then execute the command... | |
3919 | */ | |
3920 | ||
3921 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 3922 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 3923 | { |
3924 | /* | |
3925 | * Error - can't fork! | |
3926 | */ | |
3927 | ||
38e73f87 | 3928 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 3929 | strerror(errno)); |
3930 | ||
3931 | cupsdClosePipe(fds); | |
3932 | pid = 0; | |
3933 | } | |
3934 | else | |
3935 | { | |
3936 | /* | |
3937 | * Fork successful - return the PID... | |
3938 | */ | |
3939 | ||
3940 | if (con->username[0]) | |
0fa6c7fa | 3941 | cupsdAddCert(pid, con->username, con->type); |
ef416fc2 | 3942 | |
38e73f87 | 3943 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 3944 | |
3945 | *outfile = fds[0]; | |
3946 | close(fds[1]); | |
3947 | } | |
3948 | ||
ef416fc2 | 3949 | return (pid); |
3950 | } | |
3951 | ||
3952 | ||
e07d4801 MS |
3953 | /* |
3954 | * 'valid_host()' - Is the Host: field valid? | |
3955 | */ | |
3956 | ||
3957 | static int /* O - 1 if valid, 0 if not */ | |
3958 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
3959 | { | |
3960 | cupsd_alias_t *a; /* Current alias */ | |
3961 | cupsd_netif_t *netif; /* Current network interface */ | |
f2534050 MS |
3962 | const char *end; /* End character */ |
3963 | char *ptr; /* Pointer into host value */ | |
e07d4801 MS |
3964 | |
3965 | ||
f2534050 MS |
3966 | /* |
3967 | * Copy the Host: header for later use... | |
3968 | */ | |
3969 | ||
5ec1fd3d | 3970 | strlcpy(con->clientname, httpGetField(con->http, HTTP_FIELD_HOST), |
f2534050 MS |
3971 | sizeof(con->clientname)); |
3972 | if ((ptr = strrchr(con->clientname, ':')) != NULL && !strchr(ptr, ']')) | |
3973 | { | |
3974 | *ptr++ = '\0'; | |
3975 | con->clientport = atoi(ptr); | |
3976 | } | |
3977 | else | |
3978 | con->clientport = con->serverport; | |
3979 | ||
3980 | /* | |
3981 | * Then validate... | |
3982 | */ | |
e07d4801 | 3983 | |
5ec1fd3d | 3984 | if (httpAddrLocalhost(httpGetAddress(con->http))) |
e07d4801 MS |
3985 | { |
3986 | /* | |
3987 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
3988 | * addresses when accessing CUPS via the loopback interface... | |
3989 | */ | |
3990 | ||
f2534050 MS |
3991 | return (!_cups_strcasecmp(con->clientname, "localhost") || |
3992 | !_cups_strcasecmp(con->clientname, "localhost.") || | |
e07d4801 | 3993 | #ifdef __linux |
f2534050 | 3994 | !_cups_strcasecmp(con->clientname, "localhost.localdomain") || |
e07d4801 | 3995 | #endif /* __linux */ |
f2534050 MS |
3996 | !strcmp(con->clientname, "127.0.0.1") || |
3997 | !strcmp(con->clientname, "[::1]")); | |
e07d4801 MS |
3998 | } |
3999 | ||
37e7e6e0 | 4000 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
4001 | /* |
4002 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
4003 | */ | |
4004 | ||
f2534050 MS |
4005 | if ((end = strrchr(con->clientname, '.')) != NULL && end > con->clientname && |
4006 | !end[1]) | |
a29fd7dd MS |
4007 | { |
4008 | /* | |
4009 | * "." on end, work back to second-to-last "."... | |
4010 | */ | |
f2534050 MS |
4011 | |
4012 | for (end --; end > con->clientname && *end != '.'; end --); | |
a29fd7dd MS |
4013 | } |
4014 | ||
4015 | if (end && (!_cups_strcasecmp(end, ".local") || | |
f2534050 | 4016 | !_cups_strcasecmp(end, ".local."))) |
e07d4801 | 4017 | return (1); |
37e7e6e0 | 4018 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
4019 | |
4020 | /* | |
4021 | * Check if the hostname is an IP address... | |
4022 | */ | |
4023 | ||
f2534050 | 4024 | if (isdigit(con->clientname[0] & 255) || con->clientname[0] == '[') |
e07d4801 MS |
4025 | { |
4026 | /* | |
4027 | * Possible IPv4/IPv6 address... | |
4028 | */ | |
4029 | ||
e07d4801 MS |
4030 | http_addrlist_t *addrlist; /* List of addresses */ |
4031 | ||
4032 | ||
f2534050 | 4033 | if ((addrlist = httpAddrGetList(con->clientname, AF_UNSPEC, NULL)) != NULL) |
e07d4801 MS |
4034 | { |
4035 | /* | |
4036 | * Good IPv4/IPv6 address... | |
4037 | */ | |
4038 | ||
4039 | httpAddrFreeList(addrlist); | |
4040 | return (1); | |
4041 | } | |
4042 | } | |
4043 | ||
4044 | /* | |
4045 | * Check for (alias) name matches... | |
4046 | */ | |
4047 | ||
4048 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
4049 | a; | |
4050 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
4051 | { | |
4052 | /* | |
4053 | * "ServerAlias *" allows all host values through... | |
4054 | */ | |
4055 | ||
4056 | if (!strcmp(a->name, "*")) | |
4057 | return (1); | |
4058 | ||
f2534050 | 4059 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
4060 | { |
4061 | /* | |
f2534050 | 4062 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
4063 | */ |
4064 | ||
f2534050 | 4065 | end = con->clientname + a->namelen; |
e07d4801 | 4066 | |
f2534050 | 4067 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
4068 | return (1); |
4069 | } | |
4070 | } | |
4071 | ||
37e7e6e0 | 4072 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
4073 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); |
4074 | a; | |
4075 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
4076 | { | |
4077 | /* | |
4078 | * "ServerAlias *" allows all host values through... | |
4079 | */ | |
4080 | ||
4081 | if (!strcmp(a->name, "*")) | |
4082 | return (1); | |
4083 | ||
f2534050 | 4084 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
4085 | { |
4086 | /* | |
f2534050 | 4087 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
4088 | */ |
4089 | ||
f2534050 | 4090 | end = con->clientname + a->namelen; |
e07d4801 | 4091 | |
f2534050 | 4092 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
4093 | return (1); |
4094 | } | |
4095 | } | |
37e7e6e0 | 4096 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
4097 | |
4098 | /* | |
4099 | * Check for interface hostname matches... | |
4100 | */ | |
4101 | ||
4102 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
4103 | netif; | |
4104 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
4105 | { | |
f2534050 | 4106 | if (!_cups_strncasecmp(con->clientname, netif->hostname, netif->hostlen)) |
e07d4801 MS |
4107 | { |
4108 | /* | |
f2534050 | 4109 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
4110 | */ |
4111 | ||
f2534050 | 4112 | end = con->clientname + netif->hostlen; |
e07d4801 | 4113 | |
f2534050 | 4114 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
4115 | return (1); |
4116 | } | |
4117 | } | |
4118 | ||
4119 | return (0); | |
4120 | } | |
4121 | ||
4122 | ||
ef416fc2 | 4123 | /* |
a74454a7 | 4124 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 4125 | */ |
4126 | ||
4127 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 4128 | write_file(cupsd_client_t *con, /* I - Client connection */ |
4129 | http_status_t code, /* I - HTTP status */ | |
4130 | char *filename, /* I - Filename */ | |
4131 | char *type, /* I - File type */ | |
4132 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 4133 | { |
4134 | con->file = open(filename, O_RDONLY); | |
4135 | ||
996acce8 MS |
4136 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
4137 | "write_file code=%d, filename=\"%s\" (%d), " | |
4138 | "type=\"%s\", filestats=%p", | |
4139 | code, filename, con->file, type ? type : "(null)", filestats); | |
e1d6a774 | 4140 | |
4141 | if (con->file < 0) | |
4142 | return (0); | |
4143 | ||
4144 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
4145 | ||
4146 | con->pipe_pid = 0; | |
4147 | ||
5bd77a73 | 4148 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
e1d6a774 | 4149 | return (0); |
4150 | ||
996acce8 | 4151 | if (httpPrintf(con->http, "Last-Modified: %s\r\n", |
e1d6a774 | 4152 | httpGetDateString(filestats->st_mtime)) < 0) |
4153 | return (0); | |
996acce8 | 4154 | if (httpPrintf(con->http, "Content-Length: " CUPS_LLFMT "\r\n", |
e1d6a774 | 4155 | CUPS_LLCAST filestats->st_size) < 0) |
4156 | return (0); | |
996acce8 | 4157 | if (httpPrintf(con->http, "\r\n") < 0) |
e1d6a774 | 4158 | return (0); |
4159 | ||
07725fee | 4160 | if (cupsdFlushHeader(con) < 0) |
4161 | return (0); | |
d09495fa | 4162 | |
996acce8 MS |
4163 | con->http->data_encoding = HTTP_ENCODING_LENGTH; |
4164 | con->http->data_remaining = filestats->st_size; | |
e1d6a774 | 4165 | |
996acce8 MS |
4166 | if (con->http->data_remaining <= INT_MAX) |
4167 | con->http->_data_remaining = con->http->data_remaining; | |
e1d6a774 | 4168 | else |
996acce8 | 4169 | con->http->_data_remaining = INT_MAX; |
e1d6a774 | 4170 | |
996acce8 | 4171 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
f7deaa1a | 4172 | (cupsd_selfunc_t)cupsdWriteClient, con); |
e1d6a774 | 4173 | |
996acce8 | 4174 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending file."); |
1bc82dd9 | 4175 | |
e1d6a774 | 4176 | return (1); |
4177 | } | |
4178 | ||
4179 | ||
4180 | /* | |
f899b121 | 4181 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
4182 | */ | |
4183 | ||
4184 | static void | |
4185 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
4186 | { | |
996acce8 MS |
4187 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe CGI output on fd %d", |
4188 | con->file); | |
f899b121 | 4189 | |
4190 | con->file_ready = 1; | |
4191 | ||
4192 | cupsdRemoveSelect(con->file); | |
996acce8 | 4193 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
1bc82dd9 | 4194 | |
996acce8 | 4195 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent."); |
f899b121 | 4196 | } |
4197 | ||
4198 | ||
4199 | /* | |
f2d18633 | 4200 | * End of "$Id$". |
ef416fc2 | 4201 | */ |