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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
5ec1fd3d | 4 | * Client routines for the CUPS scheduler. |
ef416fc2 | 5 | * |
5ec1fd3d MS |
6 | * Copyright 2007-2013 by Apple Inc. |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
f7deaa1a | 8 | * |
5ec1fd3d MS |
9 | * This file contains Kerberos support code, copyright 2006 by |
10 | * Jelmer Vernooij. | |
ef416fc2 | 11 | * |
5ec1fd3d MS |
12 | * These coded instructions, statements, and computer programs are the |
13 | * property of Apple Inc. and are protected by Federal copyright | |
14 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
15 | * which should have been included with this file. If this file is | |
16 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 17 | */ |
18 | ||
19 | /* | |
20 | * Include necessary headers... | |
21 | */ | |
22 | ||
5ec1fd3d | 23 | #define _CUPS_NO_DEPRECATED |
d21dc0ed | 24 | #define _HTTP_NO_PRIVATE |
ef416fc2 | 25 | #include "cupsd.h" |
26 | ||
cb7f98ee MS |
27 | #ifdef __APPLE__ |
28 | # include <libproc.h> | |
29 | #endif /* __APPLE__ */ | |
749b1e90 MS |
30 | #ifdef HAVE_TCPD_H |
31 | # include <tcpd.h> | |
32 | #endif /* HAVE_TCPD_H */ | |
33 | ||
ef416fc2 | 34 | |
35 | /* | |
36 | * Local functions... | |
37 | */ | |
38 | ||
39 | static int check_if_modified(cupsd_client_t *con, | |
40 | struct stat *filestats); | |
3dfe78b3 MS |
41 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
42 | void *data); | |
d3d89474 MS |
43 | #ifdef HAVE_SSL |
44 | static int cupsd_start_tls(cupsd_client_t *con, http_encryption_t e); | |
45 | #endif /* HAVE_SSL */ | |
f7deaa1a | 46 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 47 | char *filename, int len); |
c41769ff | 48 | static http_status_t install_cupsd_conf(cupsd_client_t *con); |
e1d6a774 | 49 | static int is_cgi(cupsd_client_t *con, const char *filename, |
50 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 51 | static int is_path_absolute(const char *path); |
52 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, | |
53 | char *command, char *options, int root); | |
e07d4801 | 54 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 55 | static int write_file(cupsd_client_t *con, http_status_t code, |
56 | char *filename, char *type, | |
57 | struct stat *filestats); | |
f899b121 | 58 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 59 | |
60 | ||
61 | /* | |
62 | * 'cupsdAcceptClient()' - Accept a new client. | |
63 | */ | |
64 | ||
65 | void | |
66 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
67 | { | |
48bd1142 | 68 | const char *hostname; /* Hostname of client */ |
996acce8 | 69 | char name[256]; /* Hostname of client */ |
ef416fc2 | 70 | int count; /* Count of connections on a host */ |
bd7854cb | 71 | cupsd_client_t *con, /* New client pointer */ |
72 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 73 | socklen_t addrlen; /* Length of address */ |
ef416fc2 | 74 | http_addr_t temp; /* Temporary address variable */ |
75 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
76 | #ifdef HAVE_TCPD_H |
77 | struct request_info wrap_req; /* TCP wrappers request information */ | |
78 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 79 | |
80 | ||
81 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 | 82 | "cupsdAcceptClient(lis=%p(%d)) Clients=%d", |
bd7854cb | 83 | lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 84 | |
85 | /* | |
86 | * Make sure we don't have a full set of clients already... | |
87 | */ | |
88 | ||
bd7854cb | 89 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 90 | return; |
91 | ||
92 | /* | |
93 | * Get a pointer to the next available client... | |
94 | */ | |
95 | ||
bd7854cb | 96 | if (!Clients) |
97 | Clients = cupsArrayNew(NULL, NULL); | |
98 | ||
99 | if (!Clients) | |
91c84a35 MS |
100 | { |
101 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
102 | "Unable to allocate memory for clients array!"); |
103 | cupsdPauseListening(); | |
104 | return; | |
105 | } | |
106 | ||
107 | if (!ActiveClients) | |
108 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
109 | ||
110 | if (!ActiveClients) | |
111 | { | |
112 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
113 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 114 | cupsdPauseListening(); |
bd7854cb | 115 | return; |
91c84a35 | 116 | } |
bd7854cb | 117 | |
91c84a35 MS |
118 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
119 | { | |
120 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
121 | cupsdPauseListening(); | |
122 | return; | |
123 | } | |
ef416fc2 | 124 | |
ef416fc2 | 125 | /* |
126 | * Accept the client and get the remote address... | |
127 | */ | |
128 | ||
996acce8 MS |
129 | con->number = ++ LastClientNumber; |
130 | con->file = -1; | |
ef416fc2 | 131 | |
996acce8 | 132 | if ((con->http = httpAcceptConnection(lis->fd, 0)) == NULL) |
ef416fc2 | 133 | { |
76cd9e37 MS |
134 | if (errno == ENFILE || errno == EMFILE) |
135 | cupsdPauseListening(); | |
136 | ||
ef416fc2 | 137 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
138 | strerror(errno)); | |
bd7854cb | 139 | free(con); |
76cd9e37 | 140 | |
ef416fc2 | 141 | return; |
142 | } | |
143 | ||
22c9029b | 144 | /* |
996acce8 | 145 | * Save the connected address and port number... |
22c9029b | 146 | */ |
ef416fc2 | 147 | |
996acce8 | 148 | con->clientaddr = lis->address; |
ef416fc2 | 149 | |
996acce8 MS |
150 | #if 0 /* ifdef AF_INET6 */ |
151 | /* FIXME: I don't believe this is recommended any longer, and we specifically | |
152 | * disable IPv4-over-IPv6 when we listen... | |
153 | */ | |
22c9029b MS |
154 | /* |
155 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
156 | * can more easily use... | |
157 | */ | |
ef416fc2 | 158 | |
22c9029b | 159 | if (lis->address.addr.sa_family == AF_INET6 && |
5ec1fd3d MS |
160 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[0] == 0 && |
161 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
162 | ntohl(httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
163 | httpGetAddress(con->http)->ipv6.sin6_addr.s6_addr32[2] = 0; | |
ef416fc2 | 164 | #endif /* AF_INET6 */ |
ef416fc2 | 165 | |
166 | /* | |
167 | * Check the number of clients on the same address... | |
168 | */ | |
169 | ||
bd7854cb | 170 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
171 | tempcon; | |
172 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
996acce8 | 173 | if (httpAddrEqual(httpGetAddress(tempcon->http), httpGetAddress(con->http))) |
ef416fc2 | 174 | { |
175 | count ++; | |
176 | if (count >= MaxClientsPerHost) | |
177 | break; | |
178 | } | |
179 | ||
180 | if (count >= MaxClientsPerHost) | |
181 | { | |
182 | if ((time(NULL) - last_dos) >= 60) | |
183 | { | |
184 | last_dos = time(NULL); | |
185 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 186 | "Possible DoS attack - more than %d clients connecting " |
996acce8 | 187 | "from %s.", |
749b1e90 | 188 | MaxClientsPerHost, |
996acce8 | 189 | httpGetHostname(con->http, name, sizeof(name))); |
ef416fc2 | 190 | } |
191 | ||
996acce8 | 192 | httpClose(con->http); |
bd7854cb | 193 | free(con); |
ef416fc2 | 194 | return; |
195 | } | |
196 | ||
197 | /* | |
198 | * Get the hostname or format the IP address as needed... | |
199 | */ | |
200 | ||
48bd1142 MS |
201 | if (HostNameLookups) |
202 | hostname = httpResolveHostname(con->http, NULL, 0); | |
ef416fc2 | 203 | else |
48bd1142 | 204 | hostname = httpGetHostname(con->http, NULL, 0); |
ef416fc2 | 205 | |
206 | if (hostname == NULL && HostNameLookups == 2) | |
207 | { | |
208 | /* | |
209 | * Can't have an unresolved IP address with double-lookups enabled... | |
210 | */ | |
211 | ||
996acce8 | 212 | httpClose(con->http); |
ef416fc2 | 213 | |
996acce8 | 214 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 215 | "Name lookup failed - connection from %s closed!", |
5ec1fd3d | 216 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 217 | |
218 | free(con); | |
ef416fc2 | 219 | return; |
220 | } | |
221 | ||
222 | if (HostNameLookups == 2) | |
223 | { | |
224 | /* | |
225 | * Do double lookups as needed... | |
226 | */ | |
227 | ||
48bd1142 MS |
228 | http_addrlist_t *addrlist, /* List of addresses */ |
229 | *addr; /* Current address */ | |
230 | ||
231 | if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, NULL)) != NULL) | |
ef416fc2 | 232 | { |
233 | /* | |
234 | * See if the hostname maps to the same IP address... | |
235 | */ | |
236 | ||
237 | for (addr = addrlist; addr; addr = addr->next) | |
5ec1fd3d | 238 | if (httpAddrEqual(httpGetAddress(con->http), &(addr->addr))) |
ef416fc2 | 239 | break; |
240 | } | |
241 | else | |
242 | addr = NULL; | |
243 | ||
244 | httpAddrFreeList(addrlist); | |
245 | ||
246 | if (!addr) | |
247 | { | |
248 | /* | |
249 | * Can't have a hostname that doesn't resolve to the same IP address | |
250 | * with double-lookups enabled... | |
251 | */ | |
252 | ||
996acce8 | 253 | httpClose(con->http); |
ef416fc2 | 254 | |
996acce8 | 255 | cupsdLogClient(con, CUPSD_LOG_WARN, |
ef416fc2 | 256 | "IP lookup failed - connection from %s closed!", |
5ec1fd3d | 257 | httpGetHostname(con->http, NULL, 0)); |
bd7854cb | 258 | free(con); |
ef416fc2 | 259 | return; |
260 | } | |
261 | } | |
262 | ||
749b1e90 MS |
263 | #ifdef HAVE_TCPD_H |
264 | /* | |
265 | * See if the connection is denied by TCP wrappers... | |
266 | */ | |
267 | ||
996acce8 MS |
268 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, httpGetFd(con->http), |
269 | NULL); | |
749b1e90 MS |
270 | fromhost(&wrap_req); |
271 | ||
272 | if (!hosts_access(&wrap_req)) | |
273 | { | |
996acce8 | 274 | httpClose(con->http); |
749b1e90 | 275 | |
996acce8 | 276 | cupsdLogClient(con, CUPSD_LOG_WARN, |
749b1e90 | 277 | "Connection from %s refused by /etc/hosts.allow and " |
5ec1fd3d | 278 | "/etc/hosts.deny rules.", httpGetHostname(con->http, NULL, 0)); |
749b1e90 MS |
279 | free(con); |
280 | return; | |
281 | } | |
282 | #endif /* HAVE_TCPD_H */ | |
283 | ||
ef416fc2 | 284 | #ifdef AF_LOCAL |
5ec1fd3d | 285 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
cb7f98ee MS |
286 | { |
287 | # ifdef __APPLE__ | |
288 | socklen_t peersize; /* Size of peer credentials */ | |
289 | pid_t peerpid; /* Peer process ID */ | |
996acce8 | 290 | char peername[256]; /* Name of process */ |
cb7f98ee MS |
291 | |
292 | peersize = sizeof(peerpid); | |
996acce8 MS |
293 | if (!getsockopt(con->number, SOL_LOCAL, LOCAL_PEERPID, &peerpid, |
294 | &peersize)) | |
cb7f98ee | 295 | { |
996acce8 MS |
296 | if (!proc_name(peerpid, peername, sizeof(peername))) |
297 | cupsdLogClient(con, CUPSD_LOG_DEBUG, | |
298 | "Accepted from %s (Domain ???[%d])", | |
5ec1fd3d | 299 | httpGetHostname(con->http, NULL, 0), (int)peerpid); |
cb7f98ee | 300 | else |
996acce8 MS |
301 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
302 | "Accepted from %s (Domain %s[%d])", | |
5ec1fd3d | 303 | httpGetHostname(con->http, NULL, 0), name, (int)peerpid); |
cb7f98ee MS |
304 | } |
305 | else | |
306 | # endif /* __APPLE__ */ | |
307 | ||
996acce8 | 308 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s (Domain)", |
5ec1fd3d | 309 | httpGetHostname(con->http, NULL, 0)); |
cb7f98ee | 310 | } |
ef416fc2 | 311 | else |
312 | #endif /* AF_LOCAL */ | |
996acce8 | 313 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Accepted from %s:%d (IPv%d)", |
5ec1fd3d MS |
314 | httpGetHostname(con->http, NULL, 0), |
315 | httpAddrPort(httpGetAddress(con->http)), | |
316 | httpAddrFamily(httpGetAddress(con->http)) == AF_INET ? 4 : 6); | |
ef416fc2 | 317 | |
318 | /* | |
319 | * Get the local address the client connected to... | |
320 | */ | |
321 | ||
322 | addrlen = sizeof(temp); | |
996acce8 | 323 | if (getsockname(httpGetFd(con->http), (struct sockaddr *)&temp, &addrlen)) |
ef416fc2 | 324 | { |
996acce8 MS |
325 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to get local address - %s", |
326 | strerror(errno)); | |
ef416fc2 | 327 | |
5a9febac | 328 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
ef416fc2 | 329 | con->serverport = LocalPort; |
330 | } | |
22c9029b | 331 | #ifdef AF_LOCAL |
5ec1fd3d | 332 | else if (httpAddrFamily(&temp) == AF_LOCAL) |
22c9029b | 333 | { |
5a9febac | 334 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
22c9029b MS |
335 | con->serverport = LocalPort; |
336 | } | |
337 | #endif /* AF_LOCAL */ | |
ef416fc2 | 338 | else |
339 | { | |
22c9029b MS |
340 | if (httpAddrLocalhost(&temp)) |
341 | strlcpy(con->servername, "localhost", sizeof(con->servername)); | |
6961465f | 342 | else if (HostNameLookups) |
22c9029b | 343 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
ef416fc2 | 344 | else |
22c9029b | 345 | httpAddrString(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e | 346 | |
a469f8a5 | 347 | con->serverport = httpAddrPort(&(lis->address)); |
ef416fc2 | 348 | } |
349 | ||
dcb445bc MS |
350 | /* |
351 | * Add the connection to the array of active clients... | |
352 | */ | |
353 | ||
bd7854cb | 354 | cupsArrayAdd(Clients, con); |
355 | ||
ef416fc2 | 356 | /* |
b9faaae1 | 357 | * Add the socket to the server select. |
ef416fc2 | 358 | */ |
359 | ||
996acce8 MS |
360 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, |
361 | con); | |
ef416fc2 | 362 | |
996acce8 | 363 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 364 | |
ef416fc2 | 365 | /* |
366 | * Temporarily suspend accept()'s until we lose a client... | |
367 | */ | |
368 | ||
bd7854cb | 369 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 370 | cupsdPauseListening(); |
371 | ||
372 | #ifdef HAVE_SSL | |
373 | /* | |
374 | * See if we are connecting on a secure port... | |
375 | */ | |
376 | ||
5ec1fd3d | 377 | if (lis->encryption == HTTP_ENCRYPTION_ALWAYS) |
ef416fc2 | 378 | { |
379 | /* | |
380 | * https connection; go secure... | |
381 | */ | |
382 | ||
d3d89474 | 383 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
411affcf | 384 | cupsdCloseClient(con); |
ef416fc2 | 385 | } |
386 | else | |
387 | con->auto_ssl = 1; | |
388 | #endif /* HAVE_SSL */ | |
389 | } | |
390 | ||
391 | ||
392 | /* | |
393 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
394 | */ | |
395 | ||
396 | void | |
397 | cupsdCloseAllClients(void) | |
398 | { | |
bd7854cb | 399 | cupsd_client_t *con; /* Current client */ |
400 | ||
401 | ||
b9faaae1 MS |
402 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", |
403 | cupsArrayCount(Clients)); | |
404 | ||
bd7854cb | 405 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
406 | con; | |
407 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
49d87452 MS |
408 | if (cupsdCloseClient(con)) |
409 | cupsdCloseClient(con); | |
ef416fc2 | 410 | } |
411 | ||
412 | ||
413 | /* | |
414 | * 'cupsdCloseClient()' - Close a remote client. | |
415 | */ | |
416 | ||
417 | int /* O - 1 if partial close, 0 if fully closed */ | |
418 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
419 | { | |
420 | int partial; /* Do partial close for SSL? */ | |
ef416fc2 | 421 | |
422 | ||
996acce8 | 423 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing connection."); |
ef416fc2 | 424 | |
425 | /* | |
426 | * Flush pending writes before closing... | |
427 | */ | |
428 | ||
996acce8 | 429 | httpFlushWrite(con->http); |
ef416fc2 | 430 | |
431 | partial = 0; | |
432 | ||
ef416fc2 | 433 | if (con->pipe_pid != 0) |
434 | { | |
435 | /* | |
436 | * Stop any CGI process... | |
437 | */ | |
438 | ||
ef416fc2 | 439 | cupsdEndProcess(con->pipe_pid, 1); |
440 | con->pipe_pid = 0; | |
441 | } | |
442 | ||
443 | if (con->file >= 0) | |
444 | { | |
f7deaa1a | 445 | cupsdRemoveSelect(con->file); |
ef416fc2 | 446 | |
ef416fc2 | 447 | close(con->file); |
448 | con->file = -1; | |
449 | } | |
450 | ||
451 | /* | |
452 | * Close the socket and clear the file from the input set for select()... | |
453 | */ | |
454 | ||
996acce8 | 455 | if (httpGetFd(con->http) >= 0) |
ef416fc2 | 456 | { |
3dfe78b3 MS |
457 | cupsArrayRemove(ActiveClients, con); |
458 | cupsdSetBusyState(); | |
459 | ||
5ec1fd3d MS |
460 | #ifdef HAVE_SSL |
461 | /* | |
462 | * Shutdown encryption as needed... | |
463 | */ | |
464 | ||
465 | if (httpIsEncrypted(con->http)) | |
466 | partial = 1; | |
467 | #endif /* HAVE_SSL */ | |
468 | ||
ef416fc2 | 469 | if (partial) |
470 | { | |
471 | /* | |
472 | * Only do a partial close so that the encrypted client gets everything. | |
473 | */ | |
474 | ||
5ec1fd3d | 475 | httpShutdown(con->http); |
996acce8 MS |
476 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, |
477 | NULL, con); | |
1bc82dd9 | 478 | |
996acce8 | 479 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for socket close."); |
ef416fc2 | 480 | } |
481 | else | |
482 | { | |
483 | /* | |
484 | * Shut the socket down fully... | |
485 | */ | |
486 | ||
996acce8 MS |
487 | cupsdRemoveSelect(httpGetFd(con->http)); |
488 | httpClose(con->http); | |
489 | con->http = NULL; | |
ef416fc2 | 490 | } |
491 | } | |
492 | ||
493 | if (!partial) | |
494 | { | |
495 | /* | |
496 | * Free memory... | |
497 | */ | |
498 | ||
5ec1fd3d MS |
499 | cupsdRemoveSelect(httpGetFd(con->http)); |
500 | ||
996acce8 | 501 | httpClose(con->http); |
ef416fc2 | 502 | |
503 | cupsdClearString(&con->filename); | |
504 | cupsdClearString(&con->command); | |
505 | cupsdClearString(&con->options); | |
b86bc4cf | 506 | cupsdClearString(&con->query_string); |
ef416fc2 | 507 | |
508 | if (con->request) | |
509 | { | |
510 | ippDelete(con->request); | |
511 | con->request = NULL; | |
512 | } | |
513 | ||
514 | if (con->response) | |
515 | { | |
516 | ippDelete(con->response); | |
517 | con->response = NULL; | |
518 | } | |
519 | ||
520 | if (con->language) | |
521 | { | |
522 | cupsLangFree(con->language); | |
523 | con->language = NULL; | |
524 | } | |
525 | ||
f7deaa1a | 526 | #ifdef HAVE_AUTHORIZATION_H |
527 | if (con->authref) | |
528 | { | |
529 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
530 | con->authref = NULL; | |
531 | } | |
532 | #endif /* HAVE_AUTHORIZATION_H */ | |
533 | ||
ef416fc2 | 534 | /* |
535 | * Re-enable new client connections if we are going back under the | |
536 | * limit... | |
537 | */ | |
538 | ||
bd7854cb | 539 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 540 | cupsdResumeListening(); |
541 | ||
542 | /* | |
543 | * Compact the list of clients as necessary... | |
544 | */ | |
545 | ||
bd7854cb | 546 | cupsArrayRemove(Clients, con); |
ef416fc2 | 547 | |
bd7854cb | 548 | free(con); |
ef416fc2 | 549 | } |
550 | ||
551 | return (partial); | |
552 | } | |
553 | ||
554 | ||
ef416fc2 | 555 | /* |
556 | * 'cupsdReadClient()' - Read data from a client. | |
557 | */ | |
558 | ||
f7deaa1a | 559 | void |
ef416fc2 | 560 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
561 | { | |
562 | char line[32768], /* Line from client... */ | |
ef416fc2 | 563 | locale[64], /* Locale */ |
564 | *ptr; /* Pointer into strings */ | |
ef416fc2 | 565 | http_status_t status; /* Transfer status */ |
566 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
567 | int bytes; /* Number of bytes to POST */ | |
568 | char *filename; /* Name of file for GET/HEAD */ | |
569 | char buf[1024]; /* Buffer for real filename */ | |
570 | struct stat filestats; /* File information */ | |
571 | mime_type_t *type; /* MIME type of file */ | |
572 | cupsd_printer_t *p; /* Printer */ | |
573 | static unsigned request_id = 0; /* Request ID for temp files */ | |
574 | ||
575 | ||
5ec1fd3d | 576 | status = HTTP_STATUS_CONTINUE; |
ef416fc2 | 577 | |
996acce8 MS |
578 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
579 | "cupsdReadClient " | |
580 | "error=%d, " | |
581 | "used=%d, " | |
582 | "state=%s, " | |
583 | "data_encoding=HTTP_ENCODING_%s, " | |
584 | "data_remaining=" CUPS_LLFMT ", " | |
585 | "request=%p(%s), " | |
586 | "file=%d", | |
5ec1fd3d MS |
587 | httpError(con->http), (int)httpGetReady(con->http), |
588 | httpStateString(httpGetState(con->http)), | |
589 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", | |
590 | CUPS_LLCAST httpGetRemaining(con->http), | |
996acce8 | 591 | con->request, |
a73ca01e | 592 | con->request ? ippStateString(ippGetState(con->request)) : "", |
996acce8 | 593 | con->file); |
ef416fc2 | 594 | |
43dcaf3b MS |
595 | if (httpGetState(con->http) == HTTP_STATE_GET_SEND || |
596 | httpGetState(con->http) == HTTP_STATE_POST_SEND || | |
597 | httpGetState(con->http) == HTTP_STATE_STATUS) | |
598 | { | |
599 | /* | |
600 | * If we get called in the wrong state, then something went wrong with the | |
601 | * connection and we need to shut it down... | |
602 | */ | |
603 | ||
604 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.", | |
605 | httpStateString(httpGetState(con->http))); | |
606 | cupsdCloseClient(con); | |
607 | return; | |
608 | } | |
609 | ||
610 | ||
ef416fc2 | 611 | #ifdef HAVE_SSL |
612 | if (con->auto_ssl) | |
613 | { | |
614 | /* | |
615 | * Automatically check for a SSL/TLS handshake... | |
616 | */ | |
617 | ||
618 | con->auto_ssl = 0; | |
619 | ||
996acce8 | 620 | if (recv(httpGetFd(con->http), buf, 1, MSG_PEEK) == 1 && |
ef416fc2 | 621 | (!buf[0] || !strchr("DGHOPT", buf[0]))) |
622 | { | |
623 | /* | |
624 | * Encrypt this connection... | |
625 | */ | |
626 | ||
996acce8 MS |
627 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
628 | "Saw first byte %02X, auto-negotiating " | |
629 | "SSL/TLS session.", buf[0] & 255); | |
ef416fc2 | 630 | |
d3d89474 | 631 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS)) |
f7deaa1a | 632 | cupsdCloseClient(con); |
411affcf | 633 | |
f7deaa1a | 634 | return; |
ef416fc2 | 635 | } |
636 | } | |
637 | #endif /* HAVE_SSL */ | |
638 | ||
5ec1fd3d | 639 | switch (httpGetState(con->http)) |
ef416fc2 | 640 | { |
cb7f98ee | 641 | case HTTP_STATE_WAITING : |
ef416fc2 | 642 | /* |
643 | * See if we've received a request line... | |
644 | */ | |
645 | ||
d21dc0ed MS |
646 | con->operation = httpReadRequest(con->http, con->uri, sizeof(con->uri)); |
647 | if (con->operation == HTTP_STATE_ERROR || | |
648 | con->operation == HTTP_STATE_UNKNOWN_METHOD || | |
649 | con->operation == HTTP_STATE_UNKNOWN_VERSION) | |
ef416fc2 | 650 | { |
d21dc0ed | 651 | if (httpError(con->http)) |
996acce8 MS |
652 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
653 | "HTTP_STATE_WAITING Closing for error %d (%s)", | |
5ec1fd3d | 654 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 655 | else |
996acce8 | 656 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
d21dc0ed MS |
657 | "HTTP_STATE_WAITING Closing on error: %s", |
658 | cupsLastErrorString()); | |
f11a948a | 659 | |
f7deaa1a | 660 | cupsdCloseClient(con); |
661 | return; | |
ef416fc2 | 662 | } |
663 | ||
664 | /* | |
665 | * Ignore blank request lines... | |
666 | */ | |
667 | ||
d21dc0ed | 668 | if (con->operation == HTTP_STATE_WAITING) |
ef416fc2 | 669 | break; |
670 | ||
671 | /* | |
672 | * Clear other state variables... | |
673 | */ | |
674 | ||
d21dc0ed MS |
675 | con->bytes = 0; |
676 | con->file = -1; | |
677 | con->file_ready = 0; | |
678 | con->pipe_pid = 0; | |
679 | con->username[0] = '\0'; | |
680 | con->password[0] = '\0'; | |
ef416fc2 | 681 | |
682 | cupsdClearString(&con->command); | |
683 | cupsdClearString(&con->options); | |
b86bc4cf | 684 | cupsdClearString(&con->query_string); |
ef416fc2 | 685 | |
2abf387c | 686 | if (con->request) |
687 | { | |
688 | ippDelete(con->request); | |
689 | con->request = NULL; | |
690 | } | |
691 | ||
692 | if (con->response) | |
693 | { | |
694 | ippDelete(con->response); | |
695 | con->response = NULL; | |
696 | } | |
697 | ||
698 | if (con->language) | |
ef416fc2 | 699 | { |
700 | cupsLangFree(con->language); | |
701 | con->language = NULL; | |
702 | } | |
703 | ||
09a101d6 | 704 | #ifdef HAVE_GSSAPI |
97c9a8d7 | 705 | con->have_gss = 0; |
07ed0e9a | 706 | con->gss_uid = 0; |
09a101d6 | 707 | #endif /* HAVE_GSSAPI */ |
708 | ||
ef416fc2 | 709 | /* |
710 | * Handle full URLs in the request line... | |
711 | */ | |
712 | ||
713 | if (strcmp(con->uri, "*")) | |
714 | { | |
e6013cfa | 715 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 716 | userpass[HTTP_MAX_URI], /* Username:password */ |
717 | hostname[HTTP_MAX_URI], /* Hostname */ | |
718 | resource[HTTP_MAX_URI]; /* Resource path */ | |
719 | int port; /* Port number */ | |
720 | ||
ef416fc2 | 721 | /* |
722 | * Separate the URI into its components... | |
723 | */ | |
724 | ||
d21dc0ed MS |
725 | if (httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
726 | scheme, sizeof(scheme), | |
727 | userpass, sizeof(userpass), | |
728 | hostname, sizeof(hostname), &port, | |
729 | resource, sizeof(resource)) < HTTP_URI_STATUS_OK) | |
730 | { | |
731 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", | |
732 | con->uri); | |
733 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); | |
734 | cupsdCloseClient(con); | |
735 | return; | |
736 | } | |
ef416fc2 | 737 | |
d21dc0ed | 738 | /* |
ef416fc2 | 739 | * Only allow URIs with the servername, localhost, or an IP |
740 | * address... | |
741 | */ | |
742 | ||
e6013cfa | 743 | if (strcmp(scheme, "file") && |
88f9aafc MS |
744 | _cups_strcasecmp(hostname, ServerName) && |
745 | _cups_strcasecmp(hostname, "localhost") && | |
d21dc0ed | 746 | !cupsArrayFind(ServerAlias, hostname) && |
e6013cfa | 747 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 748 | { |
749 | /* | |
750 | * Nope, we don't do proxies... | |
751 | */ | |
752 | ||
996acce8 MS |
753 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Bad URI \"%s\" in request.", |
754 | con->uri); | |
5ec1fd3d | 755 | cupsdSendError(con, HTTP_STATUS_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 756 | cupsdCloseClient(con); |
757 | return; | |
ef416fc2 | 758 | } |
759 | ||
760 | /* | |
761 | * Copy the resource portion back into the URI; both resource and | |
762 | * con->uri are HTTP_MAX_URI bytes in size... | |
763 | */ | |
764 | ||
5a9febac | 765 | strlcpy(con->uri, resource, sizeof(con->uri)); |
ef416fc2 | 766 | } |
767 | ||
768 | /* | |
769 | * Process the request... | |
770 | */ | |
771 | ||
dfd5680b | 772 | gettimeofday(&(con->start), NULL); |
ef416fc2 | 773 | |
996acce8 | 774 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%s %s HTTP/%d.%d", |
a73ca01e | 775 | httpStateString(con->operation) + 11, con->uri, |
d21dc0ed MS |
776 | httpGetVersion(con->http) / 100, |
777 | httpGetVersion(con->http) % 100); | |
ef416fc2 | 778 | |
49d87452 MS |
779 | if (!cupsArrayFind(ActiveClients, con)) |
780 | { | |
781 | cupsArrayAdd(ActiveClients, con); | |
782 | cupsdSetBusyState(); | |
783 | } | |
3dfe78b3 | 784 | |
cb7f98ee MS |
785 | case HTTP_STATE_OPTIONS : |
786 | case HTTP_STATE_DELETE : | |
787 | case HTTP_STATE_GET : | |
788 | case HTTP_STATE_HEAD : | |
789 | case HTTP_STATE_POST : | |
790 | case HTTP_STATE_PUT : | |
791 | case HTTP_STATE_TRACE : | |
ef416fc2 | 792 | /* |
793 | * Parse incoming parameters until the status changes... | |
794 | */ | |
795 | ||
5ec1fd3d MS |
796 | while ((status = httpUpdate(con->http)) == HTTP_STATUS_CONTINUE) |
797 | if (!httpGetReady(con->http)) | |
f7deaa1a | 798 | break; |
ef416fc2 | 799 | |
5ec1fd3d | 800 | if (status != HTTP_STATUS_OK && status != HTTP_STATUS_CONTINUE) |
ef416fc2 | 801 | { |
5ec1fd3d | 802 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
803 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
804 | "Closing for error %d (%s) while reading headers.", | |
5ec1fd3d | 805 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 806 | else |
996acce8 MS |
807 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
808 | "Closing on EOF while reading headers."); | |
f11a948a | 809 | |
5ec1fd3d | 810 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 811 | cupsdCloseClient(con); |
812 | return; | |
ef416fc2 | 813 | } |
814 | break; | |
815 | ||
816 | default : | |
5ec1fd3d | 817 | if (!httpGetReady(con->http) && recv(httpGetFd(con->http), buf, 1, MSG_PEEK) < 1) |
e6013cfa MS |
818 | { |
819 | /* | |
820 | * Connection closed... | |
821 | */ | |
822 | ||
996acce8 | 823 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on EOF."); |
e6013cfa MS |
824 | cupsdCloseClient(con); |
825 | return; | |
826 | } | |
ef416fc2 | 827 | break; /* Anti-compiler-warning-code */ |
828 | } | |
829 | ||
830 | /* | |
831 | * Handle new transfers... | |
832 | */ | |
833 | ||
dfc45c1b MS |
834 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Read: status=%d", status); |
835 | ||
5ec1fd3d | 836 | if (status == HTTP_STATUS_OK) |
ef416fc2 | 837 | { |
5ec1fd3d | 838 | if (httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)[0]) |
ef416fc2 | 839 | { |
840 | /* | |
841 | * Figure out the locale from the Accept-Language and Content-Type | |
842 | * fields... | |
843 | */ | |
844 | ||
5ec1fd3d | 845 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 846 | ',')) != NULL) |
ef416fc2 | 847 | *ptr = '\0'; |
848 | ||
5ec1fd3d | 849 | if ((ptr = strchr(httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), |
f11a948a | 850 | ';')) != NULL) |
ef416fc2 | 851 | *ptr = '\0'; |
852 | ||
5ec1fd3d | 853 | if ((ptr = strstr(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
f11a948a | 854 | "charset=")) != NULL) |
ef416fc2 | 855 | { |
856 | /* | |
857 | * Combine language and charset, and trim any extra params in the | |
858 | * content-type. | |
859 | */ | |
860 | ||
861 | snprintf(locale, sizeof(locale), "%s.%s", | |
5ec1fd3d | 862 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE), ptr + 8); |
ef416fc2 | 863 | |
864 | if ((ptr = strchr(locale, ',')) != NULL) | |
865 | *ptr = '\0'; | |
866 | } | |
867 | else | |
f8b3a85b | 868 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
5ec1fd3d | 869 | httpGetField(con->http, HTTP_FIELD_ACCEPT_LANGUAGE)); |
d6ae789d | 870 | |
ef416fc2 | 871 | con->language = cupsLangGet(locale); |
872 | } | |
873 | else | |
874 | con->language = cupsLangGet(DefaultLocale); | |
875 | ||
876 | cupsdAuthorize(con); | |
877 | ||
5ec1fd3d | 878 | if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
85dda01c | 879 | "Keep-Alive", 10) && KeepAlive) |
5ec1fd3d MS |
880 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_ON); |
881 | else if (!_cups_strncasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), | |
85dda01c | 882 | "close", 5)) |
5ec1fd3d | 883 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 884 | |
5ec1fd3d MS |
885 | if (!httpGetField(con->http, HTTP_FIELD_HOST)[0] && |
886 | httpGetVersion(con->http) >= HTTP_VERSION_1_1) | |
ef416fc2 | 887 | { |
888 | /* | |
889 | * HTTP/1.1 and higher require the "Host:" field... | |
890 | */ | |
891 | ||
5ec1fd3d | 892 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 893 | { |
996acce8 | 894 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Missing Host: field in request."); |
f7deaa1a | 895 | cupsdCloseClient(con); |
896 | return; | |
897 | } | |
ef416fc2 | 898 | } |
e07d4801 | 899 | else if (!valid_host(con)) |
e6013cfa MS |
900 | { |
901 | /* | |
902 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
903 | * or IPv6 values in the Host: field. | |
904 | */ | |
905 | ||
996acce8 MS |
906 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
907 | "Request from \"%s\" using invalid Host: field \"%s\".", | |
5ec1fd3d | 908 | httpGetHostname(con->http, NULL, 0), httpGetField(con->http, HTTP_FIELD_HOST)); |
e6013cfa | 909 | |
5ec1fd3d | 910 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
e6013cfa MS |
911 | { |
912 | cupsdCloseClient(con); | |
913 | return; | |
914 | } | |
915 | } | |
cb7f98ee | 916 | else if (con->operation == HTTP_STATE_OPTIONS) |
ef416fc2 | 917 | { |
918 | /* | |
919 | * Do OPTIONS command... | |
920 | */ | |
921 | ||
5bd77a73 | 922 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 923 | { |
a73ca01e MS |
924 | httpClearFields(con->http); |
925 | ||
5ec1fd3d | 926 | if (!cupsdSendHeader(con, HTTP_STATUS_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 927 | { |
928 | cupsdCloseClient(con); | |
929 | return; | |
930 | } | |
ef416fc2 | 931 | } |
932 | ||
5ec1fd3d MS |
933 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), "Upgrade") && |
934 | !httpIsEncrypted(con->http)) | |
ef416fc2 | 935 | { |
936 | #ifdef HAVE_SSL | |
937 | /* | |
938 | * Do encryption stuff... | |
939 | */ | |
940 | ||
a73ca01e | 941 | httpClearFields(con->http); |
ef416fc2 | 942 | |
e200616a MS |
943 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
944 | { | |
945 | cupsdCloseClient(con); | |
946 | return; | |
947 | } | |
e200616a | 948 | |
d3d89474 | 949 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 950 | { |
951 | cupsdCloseClient(con); | |
952 | return; | |
953 | } | |
ef416fc2 | 954 | #else |
5bd77a73 | 955 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 956 | { |
957 | cupsdCloseClient(con); | |
958 | return; | |
959 | } | |
ef416fc2 | 960 | #endif /* HAVE_SSL */ |
961 | } | |
962 | ||
a73ca01e | 963 | httpClearFields(con->http); |
e200616a MS |
964 | httpSetField(con->http, HTTP_FIELD_ALLOW, |
965 | "GET, HEAD, OPTIONS, POST, PUT"); | |
966 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
967 | ||
968 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) | |
969 | { | |
970 | cupsdCloseClient(con); | |
971 | return; | |
972 | } | |
ef416fc2 | 973 | } |
974 | else if (!is_path_absolute(con->uri)) | |
975 | { | |
976 | /* | |
977 | * Protect against malicious users! | |
978 | */ | |
979 | ||
996acce8 MS |
980 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
981 | "Request for non-absolute resource \"%s\".", con->uri); | |
bf3816c7 | 982 | |
5ec1fd3d | 983 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 984 | { |
985 | cupsdCloseClient(con); | |
986 | return; | |
987 | } | |
ef416fc2 | 988 | } |
989 | else | |
990 | { | |
5ec1fd3d | 991 | if (!_cups_strcasecmp(httpGetField(con->http, HTTP_FIELD_CONNECTION), |
d21dc0ed | 992 | "Upgrade") && !httpIsEncrypted(con->http)) |
ef416fc2 | 993 | { |
994 | #ifdef HAVE_SSL | |
995 | /* | |
996 | * Do encryption stuff... | |
997 | */ | |
998 | ||
a73ca01e | 999 | httpClearFields(con->http); |
ef416fc2 | 1000 | |
e200616a MS |
1001 | if (!cupsdSendHeader(con, HTTP_STATUS_SWITCHING_PROTOCOLS, NULL, |
1002 | CUPSD_AUTH_NONE)) | |
1003 | { | |
1004 | cupsdCloseClient(con); | |
1005 | return; | |
1006 | } | |
ef416fc2 | 1007 | |
d3d89474 | 1008 | if (cupsd_start_tls(con, HTTP_ENCRYPTION_REQUIRED)) |
f7deaa1a | 1009 | { |
1010 | cupsdCloseClient(con); | |
1011 | return; | |
1012 | } | |
ef416fc2 | 1013 | #else |
5bd77a73 | 1014 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1015 | { |
1016 | cupsdCloseClient(con); | |
1017 | return; | |
1018 | } | |
ef416fc2 | 1019 | #endif /* HAVE_SSL */ |
1020 | } | |
1021 | ||
5ec1fd3d | 1022 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_STATUS_OK) |
ef416fc2 | 1023 | { |
5bd77a73 | 1024 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1025 | cupsdCloseClient(con); |
1026 | return; | |
ef416fc2 | 1027 | } |
1028 | ||
d21dc0ed | 1029 | if (httpGetExpect(con->http) && |
cb7f98ee | 1030 | (con->operation == HTTP_STATE_POST || con->operation == HTTP_STATE_PUT)) |
ef416fc2 | 1031 | { |
d21dc0ed | 1032 | if (httpGetExpect(con->http) == HTTP_STATUS_CONTINUE) |
b423cd4c | 1033 | { |
1034 | /* | |
1035 | * Send 100-continue header... | |
1036 | */ | |
1037 | ||
a73ca01e | 1038 | if (httpWriteResponse(con->http, HTTP_STATUS_CONTINUE)) |
f7deaa1a | 1039 | { |
1040 | cupsdCloseClient(con); | |
1041 | return; | |
1042 | } | |
b423cd4c | 1043 | } |
1044 | else | |
1045 | { | |
1046 | /* | |
1047 | * Send 417-expectation-failed header... | |
1048 | */ | |
1049 | ||
a73ca01e | 1050 | httpClearFields(con->http); |
e200616a MS |
1051 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); |
1052 | ||
a73ca01e MS |
1053 | cupsdSendError(con, HTTP_STATUS_EXPECTATION_FAILED, CUPSD_AUTH_NONE); |
1054 | cupsdCloseClient(con); | |
1055 | return; | |
b423cd4c | 1056 | } |
ef416fc2 | 1057 | } |
1058 | ||
5ec1fd3d | 1059 | switch (httpGetState(con->http)) |
ef416fc2 | 1060 | { |
cb7f98ee | 1061 | case HTTP_STATE_GET_SEND : |
dfc45c1b MS |
1062 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Processing GET %s", con->uri); |
1063 | ||
db8b865d | 1064 | if ((!strncmp(con->uri, "/ppd/", 5) || |
6961465f MS |
1065 | !strncmp(con->uri, "/printers/", 10) || |
1066 | !strncmp(con->uri, "/classes/", 9)) && | |
ef416fc2 | 1067 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) |
1068 | { | |
1069 | /* | |
1070 | * Send PPD file - get the real printer name since printer | |
1071 | * names are not case sensitive but filenames can be... | |
1072 | */ | |
1073 | ||
1074 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1075 | ||
db8b865d MS |
1076 | if (!strncmp(con->uri, "/ppd/", 5)) |
1077 | p = cupsdFindPrinter(con->uri + 5); | |
6961465f | 1078 | else if (!strncmp(con->uri, "/printers/", 10)) |
db8b865d | 1079 | p = cupsdFindPrinter(con->uri + 10); |
6961465f MS |
1080 | else |
1081 | { | |
1082 | p = cupsdFindClass(con->uri + 9); | |
1083 | ||
1084 | if (p) | |
1085 | { | |
1086 | int i; /* Looping var */ | |
1087 | ||
1088 | for (i = 0; i < p->num_printers; i ++) | |
1089 | { | |
1090 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1091 | { | |
1092 | char ppdname[1024];/* PPD filename */ | |
1093 | ||
1094 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1095 | ServerRoot, p->printers[i]->name); | |
1096 | if (!access(ppdname, 0)) | |
1097 | { | |
1098 | p = p->printers[i]; | |
1099 | break; | |
1100 | } | |
1101 | } | |
1102 | } | |
1103 | ||
1104 | if (i >= p->num_printers) | |
1105 | p = NULL; | |
1106 | } | |
1107 | } | |
db8b865d MS |
1108 | |
1109 | if (p) | |
1110 | { | |
ef416fc2 | 1111 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); |
db8b865d | 1112 | } |
ef416fc2 | 1113 | else |
1114 | { | |
5ec1fd3d | 1115 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1116 | { |
1117 | cupsdCloseClient(con); | |
1118 | return; | |
1119 | } | |
ef416fc2 | 1120 | |
1121 | break; | |
1122 | } | |
1123 | } | |
db8b865d MS |
1124 | else if ((!strncmp(con->uri, "/icons/", 7) || |
1125 | !strncmp(con->uri, "/printers/", 10) || | |
7cf5915e MS |
1126 | !strncmp(con->uri, "/classes/", 9)) && |
1127 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1128 | { | |
1129 | /* | |
1130 | * Send icon file - get the real queue name since queue names are | |
1131 | * not case sensitive but filenames can be... | |
1132 | */ | |
1133 | ||
1134 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1135 | ||
db8b865d MS |
1136 | if (!strncmp(con->uri, "/icons/", 7)) |
1137 | p = cupsdFindPrinter(con->uri + 7); | |
1138 | else if (!strncmp(con->uri, "/printers/", 10)) | |
7cf5915e MS |
1139 | p = cupsdFindPrinter(con->uri + 10); |
1140 | else | |
6961465f MS |
1141 | { |
1142 | p = cupsdFindClass(con->uri + 9); | |
1143 | ||
1144 | if (p) | |
1145 | { | |
1146 | int i; /* Looping var */ | |
1147 | ||
1148 | for (i = 0; i < p->num_printers; i ++) | |
1149 | { | |
1150 | if (!(p->printers[i]->type & CUPS_PRINTER_CLASS)) | |
1151 | { | |
1152 | char ppdname[1024];/* PPD filename */ | |
1153 | ||
1154 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", | |
1155 | ServerRoot, p->printers[i]->name); | |
1156 | if (!access(ppdname, 0)) | |
1157 | { | |
1158 | p = p->printers[i]; | |
1159 | break; | |
1160 | } | |
1161 | } | |
1162 | } | |
1163 | ||
1164 | if (i >= p->num_printers) | |
1165 | p = NULL; | |
1166 | } | |
1167 | } | |
7cf5915e MS |
1168 | |
1169 | if (p) | |
1170 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1171 | else | |
1172 | { | |
5ec1fd3d | 1173 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
7cf5915e MS |
1174 | { |
1175 | cupsdCloseClient(con); | |
1176 | return; | |
1177 | } | |
1178 | ||
1179 | break; | |
1180 | } | |
1181 | } | |
0268488e | 1182 | else if (!WebInterface) |
229681c1 MS |
1183 | { |
1184 | /* | |
1185 | * Web interface is disabled. Show an appropriate message... | |
1186 | */ | |
1187 | ||
5ec1fd3d | 1188 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1189 | { |
1190 | cupsdCloseClient(con); | |
1191 | return; | |
1192 | } | |
1193 | ||
1194 | break; | |
1195 | } | |
0268488e MS |
1196 | |
1197 | if ((!strncmp(con->uri, "/admin", 6) && | |
1198 | strncmp(con->uri, "/admin/conf/", 12) && | |
1199 | strncmp(con->uri, "/admin/log/", 11)) || | |
1200 | !strncmp(con->uri, "/printers", 9) || | |
1201 | !strncmp(con->uri, "/classes", 8) || | |
1202 | !strncmp(con->uri, "/help", 5) || | |
1203 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1204 | { |
1205 | /* | |
1206 | * Send CGI output... | |
1207 | */ | |
1208 | ||
1209 | if (!strncmp(con->uri, "/admin", 6)) | |
1210 | { | |
1211 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1212 | ServerBin); | |
1213 | ||
b423cd4c | 1214 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1215 | } |
1216 | else if (!strncmp(con->uri, "/printers", 9)) | |
1217 | { | |
1218 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1219 | ServerBin); | |
b423cd4c | 1220 | |
1221 | if (con->uri[9] && con->uri[10]) | |
1222 | cupsdSetString(&con->options, con->uri + 9); | |
1223 | else | |
1224 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1225 | } |
1226 | else if (!strncmp(con->uri, "/classes", 8)) | |
1227 | { | |
1228 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1229 | ServerBin); | |
b423cd4c | 1230 | |
1231 | if (con->uri[8] && con->uri[9]) | |
1232 | cupsdSetString(&con->options, con->uri + 8); | |
1233 | else | |
1234 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1235 | } |
1236 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1237 | { | |
1238 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1239 | ServerBin); | |
b423cd4c | 1240 | |
1241 | if (con->uri[5] && con->uri[6]) | |
1242 | cupsdSetString(&con->options, con->uri + 5); | |
1243 | else | |
1244 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1245 | } |
1246 | else | |
1247 | { | |
1248 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1249 | ServerBin); | |
ef416fc2 | 1250 | |
b423cd4c | 1251 | if (con->uri[5] && con->uri[6]) |
1252 | cupsdSetString(&con->options, con->uri + 5); | |
1253 | else | |
1254 | cupsdSetString(&con->options, NULL); | |
1255 | } | |
ef416fc2 | 1256 | |
1257 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1258 | { | |
5ec1fd3d | 1259 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1260 | { |
1261 | cupsdCloseClient(con); | |
1262 | return; | |
1263 | } | |
ef416fc2 | 1264 | } |
1265 | else | |
5ec1fd3d | 1266 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1267 | |
d21dc0ed | 1268 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1269 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1270 | } |
1271 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1272 | (strchr(con->uri + 12, '/') || | |
1273 | strlen(con->uri) == 12)) || | |
1274 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1275 | (strchr(con->uri + 11, '/') || | |
1276 | strlen(con->uri) == 11))) | |
1277 | { | |
1278 | /* | |
bf3816c7 | 1279 | * GET can only be done to configuration files directly under |
ef416fc2 | 1280 | * /admin/conf... |
1281 | */ | |
1282 | ||
996acce8 | 1283 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
bf3816c7 MS |
1284 | "Request for subdirectory \"%s\"!", con->uri); |
1285 | ||
5ec1fd3d | 1286 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1287 | { |
1288 | cupsdCloseClient(con); | |
1289 | return; | |
1290 | } | |
ef416fc2 | 1291 | |
1292 | break; | |
1293 | } | |
1294 | else | |
1295 | { | |
1296 | /* | |
1297 | * Serve a file... | |
1298 | */ | |
1299 | ||
1300 | if ((filename = get_file(con, &filestats, buf, | |
1301 | sizeof(buf))) == NULL) | |
1302 | { | |
5ec1fd3d | 1303 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1304 | { |
1305 | cupsdCloseClient(con); | |
1306 | return; | |
1307 | } | |
ef416fc2 | 1308 | |
1309 | break; | |
1310 | } | |
1311 | ||
4400e98d | 1312 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1313 | |
dfc45c1b MS |
1314 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "filename=\"%s\", type=%s/%s", filename, type ? type->super : "", type ? type->type : ""); |
1315 | ||
e1d6a774 | 1316 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1317 | { |
1318 | /* | |
1319 | * Note: con->command and con->options were set by | |
e1d6a774 | 1320 | * is_cgi()... |
ef416fc2 | 1321 | */ |
1322 | ||
1323 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1324 | { | |
5ec1fd3d | 1325 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1326 | { |
1327 | cupsdCloseClient(con); | |
1328 | return; | |
1329 | } | |
ef416fc2 | 1330 | } |
1331 | else | |
5ec1fd3d | 1332 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1333 | |
d21dc0ed | 1334 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1335 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1336 | break; |
1337 | } | |
1338 | ||
1339 | if (!check_if_modified(con, &filestats)) | |
1340 | { | |
5ec1fd3d | 1341 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1342 | { |
1343 | cupsdCloseClient(con); | |
1344 | return; | |
1345 | } | |
ef416fc2 | 1346 | } |
1347 | else | |
1348 | { | |
1349 | if (type == NULL) | |
5a9febac | 1350 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1351 | else |
1352 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1353 | ||
5ec1fd3d | 1354 | if (!write_file(con, HTTP_STATUS_OK, filename, line, &filestats)) |
f7deaa1a | 1355 | { |
1356 | cupsdCloseClient(con); | |
1357 | return; | |
1358 | } | |
ef416fc2 | 1359 | } |
1360 | } | |
1361 | break; | |
1362 | ||
cb7f98ee | 1363 | case HTTP_STATE_POST_RECV : |
ef416fc2 | 1364 | /* |
1365 | * See if the POST request includes a Content-Length field, and if | |
1366 | * so check the length against any limits that are set... | |
1367 | */ | |
1368 | ||
5ec1fd3d | 1369 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1370 | MaxRequestSize > 0 && |
d21dc0ed | 1371 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1372 | { |
1373 | /* | |
1374 | * Request too large... | |
1375 | */ | |
1376 | ||
5ec1fd3d | 1377 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1378 | { |
1379 | cupsdCloseClient(con); | |
1380 | return; | |
1381 | } | |
ef416fc2 | 1382 | |
1383 | break; | |
1384 | } | |
d21dc0ed | 1385 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1386 | { |
1387 | /* | |
1388 | * Negative content lengths are invalid! | |
1389 | */ | |
1390 | ||
5ec1fd3d | 1391 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1392 | { |
1393 | cupsdCloseClient(con); | |
1394 | return; | |
1395 | } | |
ef416fc2 | 1396 | |
1397 | break; | |
1398 | } | |
1399 | ||
1400 | /* | |
1401 | * See what kind of POST request this is; for IPP requests the | |
1402 | * content-type field will be "application/ipp"... | |
1403 | */ | |
1404 | ||
5ec1fd3d | 1405 | if (!strcmp(httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE), |
ef416fc2 | 1406 | "application/ipp")) |
1407 | con->request = ippNew(); | |
229681c1 MS |
1408 | else if (!WebInterface) |
1409 | { | |
1410 | /* | |
1411 | * Web interface is disabled. Show an appropriate message... | |
1412 | */ | |
1413 | ||
5ec1fd3d | 1414 | if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE)) |
229681c1 MS |
1415 | { |
1416 | cupsdCloseClient(con); | |
1417 | return; | |
1418 | } | |
1419 | ||
1420 | break; | |
1421 | } | |
ef416fc2 | 1422 | else if ((!strncmp(con->uri, "/admin", 6) && |
1423 | strncmp(con->uri, "/admin/conf/", 12) && | |
1424 | strncmp(con->uri, "/admin/log/", 11)) || | |
1425 | !strncmp(con->uri, "/printers", 9) || | |
1426 | !strncmp(con->uri, "/classes", 8) || | |
1427 | !strncmp(con->uri, "/help", 5) || | |
1428 | !strncmp(con->uri, "/jobs", 5)) | |
1429 | { | |
1430 | /* | |
1431 | * CGI request... | |
1432 | */ | |
1433 | ||
1434 | if (!strncmp(con->uri, "/admin", 6)) | |
1435 | { | |
1436 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1437 | ServerBin); | |
1438 | ||
b423cd4c | 1439 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1440 | } |
1441 | else if (!strncmp(con->uri, "/printers", 9)) | |
1442 | { | |
1443 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1444 | ServerBin); | |
b423cd4c | 1445 | |
1446 | if (con->uri[9] && con->uri[10]) | |
1447 | cupsdSetString(&con->options, con->uri + 9); | |
1448 | else | |
1449 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1450 | } |
1451 | else if (!strncmp(con->uri, "/classes", 8)) | |
1452 | { | |
1453 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1454 | ServerBin); | |
b423cd4c | 1455 | |
1456 | if (con->uri[8] && con->uri[9]) | |
1457 | cupsdSetString(&con->options, con->uri + 8); | |
1458 | else | |
1459 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1460 | } |
1461 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1462 | { | |
1463 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1464 | ServerBin); | |
b423cd4c | 1465 | |
1466 | if (con->uri[5] && con->uri[6]) | |
1467 | cupsdSetString(&con->options, con->uri + 5); | |
1468 | else | |
1469 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1470 | } |
1471 | else | |
1472 | { | |
1473 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1474 | ServerBin); | |
ef416fc2 | 1475 | |
b423cd4c | 1476 | if (con->uri[5] && con->uri[6]) |
1477 | cupsdSetString(&con->options, con->uri + 5); | |
1478 | else | |
1479 | cupsdSetString(&con->options, NULL); | |
1480 | } | |
ef416fc2 | 1481 | |
d21dc0ed | 1482 | if (httpGetVersion(con->http) <= HTTP_VERSION_1_0) |
5ec1fd3d | 1483 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); |
ef416fc2 | 1484 | } |
1485 | else | |
1486 | { | |
1487 | /* | |
1488 | * POST to a file... | |
1489 | */ | |
1490 | ||
1491 | if ((filename = get_file(con, &filestats, buf, | |
1492 | sizeof(buf))) == NULL) | |
1493 | { | |
5ec1fd3d | 1494 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1495 | { |
1496 | cupsdCloseClient(con); | |
1497 | return; | |
1498 | } | |
ef416fc2 | 1499 | |
1500 | break; | |
1501 | } | |
1502 | ||
4400e98d | 1503 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1504 | |
e1d6a774 | 1505 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1506 | { |
1507 | /* | |
1508 | * Only POST to CGI's... | |
1509 | */ | |
1510 | ||
5ec1fd3d | 1511 | if (!cupsdSendError(con, HTTP_STATUS_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1512 | { |
1513 | cupsdCloseClient(con); | |
1514 | return; | |
1515 | } | |
ef416fc2 | 1516 | } |
1517 | } | |
1518 | break; | |
1519 | ||
cb7f98ee | 1520 | case HTTP_STATE_PUT_RECV : |
ef416fc2 | 1521 | /* |
1522 | * Validate the resource name... | |
1523 | */ | |
1524 | ||
c41769ff | 1525 | if (strcmp(con->uri, "/admin/conf/cupsd.conf")) |
ef416fc2 | 1526 | { |
1527 | /* | |
c41769ff | 1528 | * PUT can only be done to the cupsd.conf file... |
ef416fc2 | 1529 | */ |
1530 | ||
996acce8 MS |
1531 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1532 | "Disallowed PUT request for \"%s\".", con->uri); | |
bf3816c7 | 1533 | |
5ec1fd3d | 1534 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1535 | { |
1536 | cupsdCloseClient(con); | |
1537 | return; | |
1538 | } | |
ef416fc2 | 1539 | |
1540 | break; | |
1541 | } | |
1542 | ||
1543 | /* | |
1544 | * See if the PUT request includes a Content-Length field, and if | |
1545 | * so check the length against any limits that are set... | |
1546 | */ | |
1547 | ||
5ec1fd3d | 1548 | if (httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0] && |
ef416fc2 | 1549 | MaxRequestSize > 0 && |
d21dc0ed | 1550 | httpGetLength2(con->http) > MaxRequestSize) |
ef416fc2 | 1551 | { |
1552 | /* | |
1553 | * Request too large... | |
1554 | */ | |
1555 | ||
5ec1fd3d | 1556 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1557 | { |
1558 | cupsdCloseClient(con); | |
1559 | return; | |
1560 | } | |
ef416fc2 | 1561 | |
1562 | break; | |
1563 | } | |
d21dc0ed | 1564 | else if (httpGetLength2(con->http) < 0) |
ef416fc2 | 1565 | { |
1566 | /* | |
1567 | * Negative content lengths are invalid! | |
1568 | */ | |
1569 | ||
5ec1fd3d | 1570 | if (!cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1571 | { |
1572 | cupsdCloseClient(con); | |
1573 | return; | |
1574 | } | |
ef416fc2 | 1575 | |
1576 | break; | |
1577 | } | |
1578 | ||
1579 | /* | |
1580 | * Open a temporary file to hold the request... | |
1581 | */ | |
1582 | ||
1583 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1584 | request_id ++); | |
1585 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1586 | ||
ef416fc2 | 1587 | if (con->file < 0) |
1588 | { | |
996acce8 MS |
1589 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1590 | "Unable to create request file \"%s\": %s", | |
1591 | con->filename, strerror(errno)); | |
a4924f6c | 1592 | |
5ec1fd3d | 1593 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1594 | { |
1595 | cupsdCloseClient(con); | |
1596 | return; | |
1597 | } | |
ef416fc2 | 1598 | } |
1599 | ||
1600 | fchmod(con->file, 0640); | |
1601 | fchown(con->file, RunUser, Group); | |
1602 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1603 | break; | |
1604 | ||
cb7f98ee MS |
1605 | case HTTP_STATE_DELETE : |
1606 | case HTTP_STATE_TRACE : | |
5ec1fd3d | 1607 | cupsdSendError(con, HTTP_STATUS_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1608 | cupsdCloseClient(con); |
1609 | return; | |
ef416fc2 | 1610 | |
cb7f98ee | 1611 | case HTTP_STATE_HEAD : |
ef416fc2 | 1612 | if (!strncmp(con->uri, "/printers/", 10) && |
1613 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1614 | { | |
1615 | /* | |
1616 | * Send PPD file - get the real printer name since printer | |
1617 | * names are not case sensitive but filenames can be... | |
1618 | */ | |
1619 | ||
1620 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1621 | ||
1622 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1623 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1624 | else | |
1625 | { | |
5ec1fd3d | 1626 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1627 | { |
1628 | cupsdCloseClient(con); | |
1629 | return; | |
1630 | } | |
ef416fc2 | 1631 | |
e200616a | 1632 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1633 | break; |
1634 | } | |
1635 | } | |
229681c1 MS |
1636 | else if (!strncmp(con->uri, "/printers/", 10) && |
1637 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1638 | { | |
1639 | /* | |
1640 | * Send PNG file - get the real printer name since printer | |
1641 | * names are not case sensitive but filenames can be... | |
1642 | */ | |
1643 | ||
1644 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1645 | ||
1646 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1647 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1648 | else | |
1649 | { | |
5ec1fd3d | 1650 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
229681c1 MS |
1651 | { |
1652 | cupsdCloseClient(con); | |
1653 | return; | |
1654 | } | |
1655 | ||
e200616a | 1656 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
229681c1 MS |
1657 | break; |
1658 | } | |
1659 | } | |
1660 | else if (!WebInterface) | |
1661 | { | |
a73ca01e MS |
1662 | httpClearFields(con->http); |
1663 | ||
5ec1fd3d | 1664 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, NULL, CUPSD_AUTH_NONE)) |
229681c1 MS |
1665 | { |
1666 | cupsdCloseClient(con); | |
1667 | return; | |
1668 | } | |
1669 | ||
e200616a | 1670 | cupsdLogRequest(con, HTTP_STATUS_OK); |
229681c1 MS |
1671 | break; |
1672 | } | |
ef416fc2 | 1673 | |
1674 | if ((!strncmp(con->uri, "/admin", 6) && | |
1675 | strncmp(con->uri, "/admin/conf/", 12) && | |
1676 | strncmp(con->uri, "/admin/log/", 11)) || | |
1677 | !strncmp(con->uri, "/printers", 9) || | |
1678 | !strncmp(con->uri, "/classes", 8) || | |
1679 | !strncmp(con->uri, "/help", 5) || | |
1680 | !strncmp(con->uri, "/jobs", 5)) | |
1681 | { | |
1682 | /* | |
1683 | * CGI output... | |
1684 | */ | |
1685 | ||
a73ca01e MS |
1686 | httpClearFields(con->http); |
1687 | ||
5ec1fd3d | 1688 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1689 | { |
1690 | cupsdCloseClient(con); | |
1691 | return; | |
1692 | } | |
ef416fc2 | 1693 | |
5ec1fd3d | 1694 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1695 | } |
1696 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1697 | (strchr(con->uri + 12, '/') || | |
1698 | strlen(con->uri) == 12)) || | |
1699 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1700 | (strchr(con->uri + 11, '/') || | |
1701 | strlen(con->uri) == 11))) | |
1702 | { | |
1703 | /* | |
1704 | * HEAD can only be done to configuration files under | |
1705 | * /admin/conf... | |
1706 | */ | |
1707 | ||
996acce8 MS |
1708 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1709 | "Request for subdirectory \"%s\".", con->uri); | |
bf3816c7 | 1710 | |
5ec1fd3d | 1711 | if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1712 | { |
1713 | cupsdCloseClient(con); | |
1714 | return; | |
1715 | } | |
ef416fc2 | 1716 | |
e200616a | 1717 | cupsdLogRequest(con, HTTP_STATUS_FORBIDDEN); |
ef416fc2 | 1718 | break; |
1719 | } | |
1720 | else if ((filename = get_file(con, &filestats, buf, | |
1721 | sizeof(buf))) == NULL) | |
1722 | { | |
a73ca01e MS |
1723 | httpClearFields(con->http); |
1724 | ||
5ec1fd3d | 1725 | if (!cupsdSendHeader(con, HTTP_STATUS_NOT_FOUND, "text/html", |
f11a948a | 1726 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1727 | { |
1728 | cupsdCloseClient(con); | |
1729 | return; | |
1730 | } | |
ef416fc2 | 1731 | |
5ec1fd3d | 1732 | cupsdLogRequest(con, HTTP_STATUS_NOT_FOUND); |
ef416fc2 | 1733 | } |
1734 | else if (!check_if_modified(con, &filestats)) | |
1735 | { | |
5ec1fd3d | 1736 | if (!cupsdSendError(con, HTTP_STATUS_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1737 | { |
1738 | cupsdCloseClient(con); | |
1739 | return; | |
1740 | } | |
ef416fc2 | 1741 | |
5ec1fd3d | 1742 | cupsdLogRequest(con, HTTP_STATUS_NOT_MODIFIED); |
ef416fc2 | 1743 | } |
1744 | else | |
1745 | { | |
1746 | /* | |
1747 | * Serve a file... | |
1748 | */ | |
1749 | ||
4400e98d | 1750 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1751 | if (type == NULL) |
5a9febac | 1752 | strlcpy(line, "text/plain", sizeof(line)); |
ef416fc2 | 1753 | else |
1754 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1755 | ||
a73ca01e MS |
1756 | httpClearFields(con->http); |
1757 | ||
e200616a MS |
1758 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
1759 | httpGetDateString(filestats.st_mtime)); | |
1760 | httpSetLength(con->http, filestats.st_size); | |
ef416fc2 | 1761 | |
e200616a | 1762 | if (!cupsdSendHeader(con, HTTP_STATUS_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1763 | { |
1764 | cupsdCloseClient(con); | |
1765 | return; | |
1766 | } | |
ef416fc2 | 1767 | |
5ec1fd3d | 1768 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 1769 | } |
ef416fc2 | 1770 | break; |
1771 | ||
1772 | default : | |
1773 | break; /* Anti-compiler-warning-code */ | |
1774 | } | |
1775 | } | |
1776 | } | |
1777 | ||
1778 | /* | |
1779 | * Handle any incoming data... | |
1780 | */ | |
1781 | ||
5ec1fd3d | 1782 | switch (httpGetState(con->http)) |
ef416fc2 | 1783 | { |
cb7f98ee | 1784 | case HTTP_STATE_PUT_RECV : |
f7deaa1a | 1785 | do |
ef416fc2 | 1786 | { |
996acce8 | 1787 | if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1788 | { |
5ec1fd3d | 1789 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1790 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1791 | "HTTP_STATE_PUT_RECV Closing for error %d (%s)", | |
5ec1fd3d | 1792 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1793 | else |
996acce8 MS |
1794 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1795 | "HTTP_STATE_PUT_RECV Closing on EOF."); | |
f11a948a | 1796 | |
f7deaa1a | 1797 | cupsdCloseClient(con); |
1798 | return; | |
1799 | } | |
1800 | else if (bytes > 0) | |
1801 | { | |
1802 | con->bytes += bytes; | |
ef416fc2 | 1803 | |
f7deaa1a | 1804 | if (write(con->file, line, bytes) < bytes) |
1805 | { | |
996acce8 MS |
1806 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1807 | "Unable to write %d bytes to \"%s\": %s", bytes, | |
1808 | con->filename, strerror(errno)); | |
ef416fc2 | 1809 | |
f7deaa1a | 1810 | close(con->file); |
1811 | con->file = -1; | |
1812 | unlink(con->filename); | |
1813 | cupsdClearString(&con->filename); | |
ef416fc2 | 1814 | |
5ec1fd3d | 1815 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1816 | { |
1817 | cupsdCloseClient(con); | |
1818 | return; | |
1819 | } | |
1820 | } | |
ef416fc2 | 1821 | } |
f7deaa1a | 1822 | } |
5ec1fd3d | 1823 | while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http)); |
ef416fc2 | 1824 | |
5ec1fd3d | 1825 | if (httpGetState(con->http) == HTTP_STATE_STATUS) |
ef416fc2 | 1826 | { |
1827 | /* | |
1828 | * End of file, see how big it is... | |
1829 | */ | |
1830 | ||
1831 | fstat(con->file, &filestats); | |
1832 | ||
ef416fc2 | 1833 | close(con->file); |
1834 | con->file = -1; | |
1835 | ||
1836 | if (filestats.st_size > MaxRequestSize && | |
1837 | MaxRequestSize > 0) | |
1838 | { | |
1839 | /* | |
1840 | * Request is too big; remove it and send an error... | |
1841 | */ | |
1842 | ||
ef416fc2 | 1843 | unlink(con->filename); |
1844 | cupsdClearString(&con->filename); | |
1845 | ||
5ec1fd3d | 1846 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1847 | { |
1848 | cupsdCloseClient(con); | |
1849 | return; | |
1850 | } | |
ef416fc2 | 1851 | } |
1852 | ||
1853 | /* | |
1854 | * Install the configuration file... | |
1855 | */ | |
1856 | ||
c41769ff | 1857 | status = install_cupsd_conf(con); |
ef416fc2 | 1858 | |
1859 | /* | |
1860 | * Return the status to the client... | |
1861 | */ | |
1862 | ||
5bd77a73 | 1863 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 1864 | { |
1865 | cupsdCloseClient(con); | |
1866 | return; | |
1867 | } | |
ef416fc2 | 1868 | } |
1869 | break; | |
1870 | ||
cb7f98ee | 1871 | case HTTP_STATE_POST_RECV : |
f7deaa1a | 1872 | do |
ef416fc2 | 1873 | { |
f11a948a | 1874 | if (con->request && con->file < 0) |
ef416fc2 | 1875 | { |
f7deaa1a | 1876 | /* |
1877 | * Grab any request data from the connection... | |
1878 | */ | |
ef416fc2 | 1879 | |
5ec1fd3d | 1880 | if ((ipp_state = ippRead(con->http, con->request)) == IPP_STATE_ERROR) |
ef416fc2 | 1881 | { |
996acce8 MS |
1882 | cupsdLogClient(con, CUPSD_LOG_ERROR, "IPP read error: %s", |
1883 | cupsLastErrorString()); | |
f7deaa1a | 1884 | |
5ec1fd3d | 1885 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1886 | cupsdCloseClient(con); |
1887 | return; | |
ef416fc2 | 1888 | } |
5ec1fd3d | 1889 | else if (ipp_state != IPP_STATE_DATA) |
f7deaa1a | 1890 | { |
5ec1fd3d | 1891 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
f7deaa1a | 1892 | { |
5ec1fd3d | 1893 | cupsdSendError(con, HTTP_STATUS_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1894 | cupsdCloseClient(con); |
1895 | return; | |
1896 | } | |
ef416fc2 | 1897 | |
5ec1fd3d | 1898 | if (httpGetReady(con->http)) |
6961465f | 1899 | continue; |
f7deaa1a | 1900 | break; |
1901 | } | |
1902 | else | |
f11a948a | 1903 | { |
996acce8 MS |
1904 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "%d.%d %s %d", |
1905 | con->request->request.op.version[0], | |
f11a948a MS |
1906 | con->request->request.op.version[1], |
1907 | ippOpString(con->request->request.op.operation_id), | |
1908 | con->request->request.op.request_id); | |
f7deaa1a | 1909 | con->bytes += ippLength(con->request); |
f11a948a | 1910 | } |
f7deaa1a | 1911 | } |
ef416fc2 | 1912 | |
5ec1fd3d | 1913 | if (con->file < 0 && httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1914 | { |
1915 | /* | |
1916 | * Create a file as needed for the request data... | |
1917 | */ | |
ef416fc2 | 1918 | |
f11a948a MS |
1919 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
1920 | request_id ++); | |
f7deaa1a | 1921 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 1922 | |
f7deaa1a | 1923 | if (con->file < 0) |
1924 | { | |
996acce8 MS |
1925 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1926 | "Unable to create request file \"%s\": %s", | |
1927 | con->filename, strerror(errno)); | |
a4924f6c | 1928 | |
5ec1fd3d | 1929 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1930 | { |
1931 | cupsdCloseClient(con); | |
1932 | return; | |
1933 | } | |
1934 | } | |
ef416fc2 | 1935 | |
f7deaa1a | 1936 | fchmod(con->file, 0640); |
1937 | fchown(con->file, RunUser, Group); | |
1938 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1939 | } | |
ef416fc2 | 1940 | |
5ec1fd3d | 1941 | if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
ef416fc2 | 1942 | { |
996acce8 | 1943 | if (!httpWait(con->http, 0)) |
cb7f98ee | 1944 | return; |
996acce8 | 1945 | else if ((bytes = httpRead2(con->http, line, sizeof(line))) < 0) |
f7deaa1a | 1946 | { |
5ec1fd3d | 1947 | if (httpError(con->http) && httpError(con->http) != EPIPE) |
996acce8 MS |
1948 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1949 | "HTTP_STATE_POST_SEND Closing for error %d (%s)", | |
5ec1fd3d | 1950 | httpError(con->http), strerror(httpError(con->http))); |
f11a948a | 1951 | else |
996acce8 MS |
1952 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1953 | "HTTP_STATE_POST_SEND Closing on EOF."); | |
f11a948a | 1954 | |
f7deaa1a | 1955 | cupsdCloseClient(con); |
1956 | return; | |
1957 | } | |
1958 | else if (bytes > 0) | |
1959 | { | |
1960 | con->bytes += bytes; | |
ef416fc2 | 1961 | |
f7deaa1a | 1962 | if (write(con->file, line, bytes) < bytes) |
1963 | { | |
996acce8 MS |
1964 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
1965 | "Unable to write %d bytes to \"%s\": %s", | |
1966 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1967 | |
f7deaa1a | 1968 | close(con->file); |
1969 | con->file = -1; | |
1970 | unlink(con->filename); | |
1971 | cupsdClearString(&con->filename); | |
ef416fc2 | 1972 | |
5ec1fd3d | 1973 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, |
f11a948a | 1974 | CUPSD_AUTH_NONE)) |
f7deaa1a | 1975 | { |
1976 | cupsdCloseClient(con); | |
1977 | return; | |
1978 | } | |
1979 | } | |
1980 | } | |
5ec1fd3d | 1981 | else if (httpGetState(con->http) == HTTP_STATE_POST_RECV) |
f7deaa1a | 1982 | return; |
5ec1fd3d | 1983 | else if (httpGetState(con->http) != HTTP_STATE_POST_SEND) |
f7deaa1a | 1984 | { |
996acce8 MS |
1985 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
1986 | "Closing on unexpected state %s.", | |
5ec1fd3d | 1987 | httpStateString(httpGetState(con->http))); |
f7deaa1a | 1988 | cupsdCloseClient(con); |
1989 | return; | |
ef416fc2 | 1990 | } |
1991 | } | |
f7deaa1a | 1992 | } |
5ec1fd3d | 1993 | while (httpGetState(con->http) == HTTP_STATE_POST_RECV && httpGetReady(con->http)); |
ef416fc2 | 1994 | |
5ec1fd3d | 1995 | if (httpGetState(con->http) == HTTP_STATE_POST_SEND) |
ef416fc2 | 1996 | { |
1997 | if (con->file >= 0) | |
1998 | { | |
1999 | fstat(con->file, &filestats); | |
2000 | ||
ef416fc2 | 2001 | close(con->file); |
2002 | con->file = -1; | |
2003 | ||
2004 | if (filestats.st_size > MaxRequestSize && | |
2005 | MaxRequestSize > 0) | |
2006 | { | |
2007 | /* | |
2008 | * Request is too big; remove it and send an error... | |
2009 | */ | |
2010 | ||
ef416fc2 | 2011 | unlink(con->filename); |
2012 | cupsdClearString(&con->filename); | |
2013 | ||
2014 | if (con->request) | |
2015 | { | |
2016 | /* | |
2017 | * Delete any IPP request data... | |
2018 | */ | |
2019 | ||
2020 | ippDelete(con->request); | |
2021 | con->request = NULL; | |
2022 | } | |
2023 | ||
5ec1fd3d | 2024 | if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2025 | { |
2026 | cupsdCloseClient(con); | |
2027 | return; | |
2028 | } | |
ef416fc2 | 2029 | } |
f8b3a85b MS |
2030 | else if (filestats.st_size == 0) |
2031 | { | |
2032 | /* | |
2033 | * Don't allow empty file... | |
2034 | */ | |
2035 | ||
2036 | unlink(con->filename); | |
2037 | cupsdClearString(&con->filename); | |
2038 | } | |
ef416fc2 | 2039 | |
2040 | if (con->command) | |
2041 | { | |
2042 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2043 | { | |
5ec1fd3d | 2044 | if (!cupsdSendError(con, HTTP_STATUS_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2045 | { |
2046 | cupsdCloseClient(con); | |
2047 | return; | |
2048 | } | |
ef416fc2 | 2049 | } |
2050 | else | |
5ec1fd3d | 2051 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2052 | } |
2053 | } | |
2054 | ||
2055 | if (con->request) | |
f7deaa1a | 2056 | { |
2057 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2058 | |
2059 | if (con->filename) | |
2060 | { | |
bc44d920 | 2061 | unlink(con->filename); |
2062 | cupsdClearString(&con->filename); | |
2063 | } | |
2064 | ||
f7deaa1a | 2065 | return; |
2066 | } | |
ef416fc2 | 2067 | } |
2068 | break; | |
2069 | ||
2070 | default : | |
2071 | break; /* Anti-compiler-warning-code */ | |
2072 | } | |
2073 | ||
5ec1fd3d | 2074 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
3dfe78b3 | 2075 | { |
5ec1fd3d | 2076 | if (!httpGetKeepAlive(con->http)) |
f11a948a | 2077 | { |
996acce8 MS |
2078 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2079 | "Closing because Keep-Alive is disabled."); | |
3dfe78b3 | 2080 | cupsdCloseClient(con); |
f11a948a | 2081 | } |
3dfe78b3 MS |
2082 | else |
2083 | { | |
2084 | cupsArrayRemove(ActiveClients, con); | |
2085 | cupsdSetBusyState(); | |
2086 | } | |
2087 | } | |
ef416fc2 | 2088 | } |
2089 | ||
2090 | ||
2091 | /* | |
2092 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2093 | */ | |
2094 | ||
2095 | int /* O - 1 on success, 0 on failure */ | |
2096 | cupsdSendCommand( | |
2097 | cupsd_client_t *con, /* I - Client connection */ | |
2098 | char *command, /* I - Command to run */ | |
2099 | char *options, /* I - Command-line options */ | |
2100 | int root) /* I - Run as root? */ | |
2101 | { | |
2102 | int fd; /* Standard input file descriptor */ | |
2103 | ||
2104 | ||
2105 | if (con->filename) | |
ed486911 | 2106 | { |
ef416fc2 | 2107 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2108 | |
ed486911 | 2109 | if (fd < 0) |
2110 | { | |
996acce8 MS |
2111 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
2112 | "Unable to open \"%s\" for reading: %s", | |
2113 | con->filename ? con->filename : "/dev/null", | |
2114 | strerror(errno)); | |
ed486911 | 2115 | return (0); |
2116 | } | |
ef416fc2 | 2117 | |
ed486911 | 2118 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2119 | } | |
2120 | else | |
2121 | fd = -1; | |
ef416fc2 | 2122 | |
e200616a MS |
2123 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); |
2124 | con->pipe_status = HTTP_STATUS_OK; | |
ef416fc2 | 2125 | |
a73ca01e MS |
2126 | httpClearFields(con->http); |
2127 | ||
ed486911 | 2128 | if (fd >= 0) |
2129 | close(fd); | |
ef416fc2 | 2130 | |
996acce8 MS |
2131 | cupsdLogClient(con, CUPSD_LOG_INFO, "Started \"%s\" (pid=%d, file=%d)", |
2132 | command, con->pipe_pid, con->file); | |
ef416fc2 | 2133 | |
2134 | if (con->pipe_pid == 0) | |
2135 | return (0); | |
2136 | ||
2137 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2138 | ||
f899b121 | 2139 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2140 | |
996acce8 | 2141 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2142 | |
ef416fc2 | 2143 | con->sent_header = 0; |
2144 | con->file_ready = 0; | |
2145 | con->got_fields = 0; | |
68b10830 | 2146 | con->header_used = 0; |
ef416fc2 | 2147 | |
2148 | return (1); | |
2149 | } | |
2150 | ||
2151 | ||
2152 | /* | |
2153 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2154 | */ | |
2155 | ||
2156 | int /* O - 1 if successful, 0 otherwise */ | |
2157 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2158 | http_status_t code, /* I - Error code */ |
2159 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2160 | { |
996acce8 MS |
2161 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", |
2162 | code, auth_type); | |
b9faaae1 | 2163 | |
4744bd90 | 2164 | #ifdef HAVE_SSL |
2165 | /* | |
2166 | * Force client to upgrade for authentication if that is how the | |
2167 | * server is configured... | |
2168 | */ | |
2169 | ||
5ec1fd3d MS |
2170 | if (code == HTTP_STATUS_UNAUTHORIZED && |
2171 | DefaultEncryption == HTTP_ENCRYPTION_REQUIRED && | |
2172 | _cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost") && | |
2173 | !httpIsEncrypted(con->http)) | |
4744bd90 | 2174 | { |
5ec1fd3d | 2175 | code = HTTP_STATUS_UPGRADE_REQUIRED; |
4744bd90 | 2176 | } |
2177 | #endif /* HAVE_SSL */ | |
2178 | ||
ef416fc2 | 2179 | /* |
2180 | * Put the request in the access_log file... | |
2181 | */ | |
2182 | ||
2183 | cupsdLogRequest(con, code); | |
2184 | ||
ef416fc2 | 2185 | /* |
2186 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2187 | * error messages... | |
f7deaa1a | 2188 | * |
2189 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2190 | * never disable it in that case. | |
ef416fc2 | 2191 | */ |
2192 | ||
a73ca01e MS |
2193 | httpClearFields(con->http); |
2194 | ||
5ec1fd3d MS |
2195 | if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE) |
2196 | httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF); | |
ef416fc2 | 2197 | |
d21dc0ed | 2198 | if (httpGetVersion(con->http) >= HTTP_VERSION_1_1 && |
5ec1fd3d | 2199 | httpGetKeepAlive(con->http) == HTTP_KEEPALIVE_OFF) |
e200616a | 2200 | httpSetField(con->http, HTTP_FIELD_CONNECTION, "close"); |
ef416fc2 | 2201 | |
5ec1fd3d | 2202 | if (code >= HTTP_STATUS_BAD_REQUEST) |
ef416fc2 | 2203 | { |
2204 | /* | |
2205 | * Send a human-readable error message. | |
2206 | */ | |
2207 | ||
80ca4592 | 2208 | char message[4096], /* Message for user */ |
2209 | urltext[1024], /* URL redirection text */ | |
2210 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2211 | const char *text; /* Status-specific text */ |
2212 | ||
80ca4592 | 2213 | |
2214 | redirect[0] = '\0'; | |
2215 | ||
5ec1fd3d | 2216 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2217 | text = _cupsLangString(con->language, |
2218 | _("Enter your username and password or the " | |
2219 | "root username and password to access this " | |
f7deaa1a | 2220 | "page. If you are using Kerberos authentication, " |
2221 | "make sure you have a valid Kerberos ticket.")); | |
5ec1fd3d | 2222 | else if (code == HTTP_STATUS_UPGRADE_REQUIRED) |
80ca4592 | 2223 | { |
2224 | text = urltext; | |
2225 | ||
2226 | snprintf(urltext, sizeof(urltext), | |
2227 | _cupsLangString(con->language, | |
2228 | _("You must access this page using the URL " | |
2229 | "<A HREF=\"https://%s:%d%s\">" | |
2230 | "https://%s:%d%s</A>.")), | |
2231 | con->servername, con->serverport, con->uri, | |
2232 | con->servername, con->serverport, con->uri); | |
2233 | ||
2234 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2235 | "<META HTTP-EQUIV=\"Refresh\" " |
2236 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2237 | con->servername, con->serverport, con->uri); |
2238 | } | |
5ec1fd3d | 2239 | else if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2240 | text = _cupsLangString(con->language, |
2241 | _("The web interface is currently disabled. Run " | |
2242 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2243 | else |
2244 | text = ""; | |
2245 | ||
2246 | snprintf(message, sizeof(message), | |
745129be MS |
2247 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2248 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2249 | "<HTML>\n" |
2250 | "<HEAD>\n" | |
2251 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2252 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2253 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2254 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2255 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2256 | "%s" |
ef416fc2 | 2257 | "</HEAD>\n" |
2258 | "<BODY>\n" | |
229681c1 | 2259 | "<H1>%s</H1>\n" |
ef416fc2 | 2260 | "<P>%s</P>\n" |
2261 | "</BODY>\n" | |
2262 | "</HTML>\n", | |
41e6c1f1 MS |
2263 | _httpStatus(con->language, code), redirect, |
2264 | _httpStatus(con->language, code), text); | |
ef416fc2 | 2265 | |
43dcaf3b MS |
2266 | /* |
2267 | * Send an error message back to the client. If the error code is a | |
2268 | * 400 or 500 series, make sure the message contains some text, too! | |
2269 | */ | |
2270 | ||
2271 | size_t length = strlen(message); /* Length of message */ | |
e200616a | 2272 | |
43dcaf3b | 2273 | httpSetLength(con->http, length); |
e200616a MS |
2274 | |
2275 | if (!cupsdSendHeader(con, code, "text/html", auth_type)) | |
ef416fc2 | 2276 | return (0); |
e200616a | 2277 | |
43dcaf3b MS |
2278 | if (httpWrite2(con->http, message, length) < 0) |
2279 | return (0); | |
2280 | ||
2281 | if (httpFlushWrite(con->http) < 0) | |
ef416fc2 | 2282 | return (0); |
2283 | } | |
e200616a MS |
2284 | else |
2285 | { | |
2286 | httpSetField(con->http, HTTP_FIELD_CONTENT_LENGTH, "0"); | |
a469f8a5 | 2287 | |
e200616a MS |
2288 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
2289 | return (0); | |
2290 | } | |
ef416fc2 | 2291 | |
2292 | return (1); | |
2293 | } | |
2294 | ||
2295 | ||
ef416fc2 | 2296 | /* |
2297 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2298 | */ | |
2299 | ||
2300 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2301 | cupsdSendHeader( |
2302 | cupsd_client_t *con, /* I - Client to send to */ | |
2303 | http_status_t code, /* I - HTTP status code */ | |
2304 | char *type, /* I - MIME type of document */ | |
2305 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2306 | { |
5a738aea | 2307 | char auth_str[1024]; /* Authorization string */ |
f7deaa1a | 2308 | |
2309 | ||
4744bd90 | 2310 | /* |
2311 | * Send the HTTP status header... | |
2312 | */ | |
2313 | ||
a73ca01e | 2314 | if (code == HTTP_STATUS_CUPS_WEBIF_DISABLED) |
229681c1 MS |
2315 | { |
2316 | /* | |
2317 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2318 | * browsers. | |
2319 | */ | |
2320 | ||
5ec1fd3d | 2321 | code = HTTP_STATUS_OK; |
229681c1 | 2322 | } |
b423cd4c | 2323 | |
ef416fc2 | 2324 | if (ServerHeader) |
e200616a | 2325 | httpSetField(con->http, HTTP_FIELD_SERVER, ServerHeader); |
5ec1fd3d MS |
2326 | |
2327 | if (code == HTTP_STATUS_METHOD_NOT_ALLOWED) | |
e200616a | 2328 | httpSetField(con->http, HTTP_FIELD_ALLOW, "GET, HEAD, OPTIONS, POST, PUT"); |
ef416fc2 | 2329 | |
5ec1fd3d | 2330 | if (code == HTTP_STATUS_UNAUTHORIZED) |
ef416fc2 | 2331 | { |
5bd77a73 | 2332 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2333 | { |
5bd77a73 | 2334 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
dcb445bc | 2335 | auth_type = cupsdDefaultAuthType(); |
f899b121 | 2336 | else |
2337 | auth_type = con->best->type; | |
2338 | } | |
f7deaa1a | 2339 | |
2340 | auth_str[0] = '\0'; | |
2341 | ||
5bd77a73 | 2342 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2343 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2344 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2345 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
5ec1fd3d | 2346 | httpGetHostname(con->http, NULL, 0)); |
f7deaa1a | 2347 | #ifdef HAVE_GSSAPI |
eac3a0a0 | 2348 | else if (auth_type == CUPSD_AUTH_NEGOTIATE) |
6961465f MS |
2349 | { |
2350 | # ifdef AF_LOCAL | |
5ec1fd3d | 2351 | if (httpAddrFamily(httpGetAddress(con->http)) == AF_LOCAL) |
6961465f MS |
2352 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
2353 | else | |
2354 | # endif /* AF_LOCAL */ | |
f7deaa1a | 2355 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
6961465f | 2356 | } |
f7deaa1a | 2357 | #endif /* HAVE_GSSAPI */ |
2358 | ||
e07d4801 | 2359 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
5ec1fd3d | 2360 | !_cups_strcasecmp(httpGetHostname(con->http, NULL, 0), "localhost")) |
ef416fc2 | 2361 | { |
e07d4801 MS |
2362 | /* |
2363 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2364 | * requests when the request requires system group membership - then the | |
2365 | * client knows the root certificate can/should be used. | |
2366 | * | |
f3c17241 | 2367 | * Also, for OS X we also look for @AUTHKEY and add an "authkey" |
e07d4801 MS |
2368 | * parameter as needed... |
2369 | */ | |
2370 | ||
10d09e33 MS |
2371 | char *name, /* Current user name */ |
2372 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2373 | size_t auth_size; /* Size of remaining buffer */ |
2374 | ||
f7deaa1a | 2375 | auth_key = auth_str + strlen(auth_str); |
2376 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2377 | ||
10d09e33 MS |
2378 | for (name = (char *)cupsArrayFirst(con->best->names); |
2379 | name; | |
2380 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2381 | { |
e07d4801 | 2382 | #ifdef HAVE_AUTHORIZATION_H |
88f9aafc | 2383 | if (!_cups_strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2384 | { |
10d09e33 | 2385 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2386 | /* end parenthesis is stripped in conf.c */ |
2387 | break; | |
2388 | } | |
e07d4801 MS |
2389 | else |
2390 | #endif /* HAVE_AUTHORIZATION_H */ | |
88f9aafc | 2391 | if (!_cups_strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2392 | { |
e07d4801 MS |
2393 | #ifdef HAVE_AUTHORIZATION_H |
2394 | if (SystemGroupAuthKey) | |
2395 | snprintf(auth_key, auth_size, | |
07ed0e9a | 2396 | ", authkey=\"%s\"", |
e07d4801 MS |
2397 | SystemGroupAuthKey); |
2398 | else | |
2399 | #else | |
f11a948a | 2400 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2401 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2402 | break; |
2403 | } | |
2404 | } | |
ef416fc2 | 2405 | } |
f7deaa1a | 2406 | |
bc44d920 | 2407 | if (auth_str[0]) |
2408 | { | |
996acce8 | 2409 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "WWW-Authenticate: %s", auth_str); |
bc44d920 | 2410 | |
e200616a | 2411 | httpSetField(con->http, HTTP_FIELD_WWW_AUTHENTICATE, auth_str); |
bc44d920 | 2412 | } |
ef416fc2 | 2413 | } |
2414 | ||
e1d6a774 | 2415 | if (con->language && strcmp(con->language->language, "C")) |
e200616a | 2416 | httpSetField(con->http, HTTP_FIELD_CONTENT_LANGUAGE, con->language->language); |
ef416fc2 | 2417 | |
e1d6a774 | 2418 | if (type) |
ef416fc2 | 2419 | { |
2420 | if (!strcmp(type, "text/html")) | |
e200616a MS |
2421 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, "text/html; charset=utf-8"); |
2422 | else | |
2423 | httpSetField(con->http, HTTP_FIELD_CONTENT_TYPE, type); | |
ef416fc2 | 2424 | } |
2425 | ||
e200616a | 2426 | return (!httpWriteResponse(con->http, code)); |
ef416fc2 | 2427 | } |
2428 | ||
2429 | ||
2430 | /* | |
2431 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2432 | */ | |
2433 | ||
2434 | void | |
2435 | cupsdUpdateCGI(void) | |
2436 | { | |
2437 | char *ptr, /* Pointer to end of line in buffer */ | |
2438 | message[1024]; /* Pointer to message text */ | |
2439 | int loglevel; /* Log level for message */ | |
2440 | ||
2441 | ||
2442 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2443 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2444 | { |
2445 | if (loglevel == CUPSD_LOG_INFO) | |
2446 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2447 | ||
ef416fc2 | 2448 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2449 | break; | |
f0ab5bff | 2450 | } |
ef416fc2 | 2451 | |
d09495fa | 2452 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2453 | { |
2454 | /* | |
2455 | * Fatal error on pipe - should never happen! | |
2456 | */ | |
2457 | ||
2458 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2459 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2460 | strerror(errno)); | |
2461 | } | |
2462 | } | |
2463 | ||
2464 | ||
2465 | /* | |
2466 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2467 | */ | |
2468 | ||
f7deaa1a | 2469 | void |
ef416fc2 | 2470 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2471 | { | |
68b10830 MS |
2472 | int bytes, /* Number of bytes written */ |
2473 | field_col; /* Current column */ | |
2474 | char *bufptr, /* Pointer into buffer */ | |
2475 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2476 | ipp_state_t ipp_state; /* IPP state value */ |
2477 | ||
2478 | ||
5ec1fd3d | 2479 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "con->http=%p", con->http); |
996acce8 MS |
2480 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2481 | "cupsdWriteClient " | |
2482 | "error=%d, " | |
2483 | "used=%d, " | |
2484 | "state=%s, " | |
2485 | "data_encoding=HTTP_ENCODING_%s, " | |
2486 | "data_remaining=" CUPS_LLFMT ", " | |
2487 | "response=%p(%s), " | |
2488 | "pipe_pid=%d, " | |
2489 | "file=%d", | |
5ec1fd3d MS |
2490 | httpError(con->http), (int)httpGetReady(con->http), |
2491 | httpStateString(httpGetState(con->http)), | |
d21dc0ed MS |
2492 | httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", |
2493 | CUPS_LLCAST httpGetLength2(con->http), | |
996acce8 | 2494 | con->response, |
a73ca01e | 2495 | con->response ? ippStateString(ippGetState(con->request)) : "", |
996acce8 MS |
2496 | con->pipe_pid, con->file); |
2497 | ||
5ec1fd3d MS |
2498 | if (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2499 | httpGetState(con->http) != HTTP_STATE_POST_SEND) | |
8b116e60 MS |
2500 | { |
2501 | /* | |
2502 | * If we get called in the wrong state, then something went wrong with the | |
2503 | * connection and we need to shut it down... | |
2504 | */ | |
2505 | ||
43dcaf3b | 2506 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP write state %s.", |
5ec1fd3d | 2507 | httpStateString(httpGetState(con->http))); |
8b116e60 | 2508 | cupsdCloseClient(con); |
f7deaa1a | 2509 | return; |
8b116e60 | 2510 | } |
f7deaa1a | 2511 | |
2512 | if (con->pipe_pid) | |
2513 | { | |
2514 | /* | |
2515 | * Make sure we select on the CGI output... | |
2516 | */ | |
2517 | ||
f899b121 | 2518 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2519 | |
996acce8 | 2520 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for CGI data."); |
1bc82dd9 | 2521 | |
f7deaa1a | 2522 | if (!con->file_ready) |
2523 | { | |
2524 | /* | |
2525 | * Try again later when there is CGI output available... | |
2526 | */ | |
2527 | ||
996acce8 | 2528 | cupsdRemoveSelect(httpGetFd(con->http)); |
f7deaa1a | 2529 | return; |
2530 | } | |
2531 | ||
2532 | con->file_ready = 0; | |
2533 | } | |
ef416fc2 | 2534 | |
5ec1fd3d | 2535 | if (con->response && con->response->state != IPP_STATE_DATA) |
ef416fc2 | 2536 | { |
d21dc0ed | 2537 | size_t wused = httpGetPending(con->http); /* Previous write buffer use */ |
94436c5a MS |
2538 | |
2539 | do | |
2540 | { | |
2541 | /* | |
2542 | * Write a single attribute or the IPP message header... | |
2543 | */ | |
2544 | ||
996acce8 | 2545 | ipp_state = ippWrite(con->http, con->response); |
94436c5a MS |
2546 | |
2547 | /* | |
2548 | * If the write buffer has been flushed, stop buffering up attributes... | |
2549 | */ | |
2550 | ||
d21dc0ed | 2551 | if (httpGetPending(con->http) <= wused) |
94436c5a MS |
2552 | break; |
2553 | } | |
2554 | while (ipp_state != IPP_STATE_DATA && ipp_state != IPP_STATE_ERROR); | |
2555 | ||
996acce8 MS |
2556 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2557 | "Writing IPP response, ipp_state=%s, old " | |
d21dc0ed MS |
2558 | "wused=" CUPS_LLFMT ", new wused=" CUPS_LLFMT, |
2559 | ippStateString(ipp_state), | |
2560 | CUPS_LLCAST wused, CUPS_LLCAST httpGetPending(con->http)); | |
2561 | ||
2562 | if (httpGetPending(con->http) > 0) | |
996acce8 | 2563 | httpFlushWrite(con->http); |
94436c5a MS |
2564 | |
2565 | bytes = ipp_state != IPP_STATE_ERROR && | |
2566 | (con->file >= 0 || ipp_state != IPP_STATE_DATA); | |
21f36711 | 2567 | |
996acce8 MS |
2568 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2569 | "bytes=%d, http_state=%d, data_remaining=" CUPS_LLFMT, | |
5ec1fd3d | 2570 | (int)bytes, httpGetState(con->http), |
d21dc0ed | 2571 | CUPS_LLCAST httpGetLength2(con->http)); |
ef416fc2 | 2572 | } |
a2326b5b | 2573 | else if ((bytes = read(con->file, con->header + con->header_used, |
68b10830 | 2574 | sizeof(con->header) - con->header_used)) > 0) |
ef416fc2 | 2575 | { |
68b10830 MS |
2576 | con->header_used += bytes; |
2577 | ||
ef416fc2 | 2578 | if (con->pipe_pid && !con->got_fields) |
2579 | { | |
2580 | /* | |
2581 | * Inspect the data for Content-Type and other fields. | |
2582 | */ | |
2583 | ||
68b10830 MS |
2584 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2585 | field_col = 0; | |
2586 | !con->got_fields && bufptr < bufend; | |
2587 | bufptr ++) | |
d1c13e16 | 2588 | { |
ef416fc2 | 2589 | if (*bufptr == '\n') |
2590 | { | |
2591 | /* | |
2592 | * Send line to client... | |
2593 | */ | |
2594 | ||
68b10830 | 2595 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2596 | bufptr[-1] = '\0'; |
2597 | *bufptr++ = '\0'; | |
2598 | ||
996acce8 | 2599 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2600 | |
2601 | if (!con->sent_header) | |
2602 | { | |
2603 | /* | |
2604 | * Handle redirection and CGI status codes... | |
2605 | */ | |
2606 | ||
e200616a MS |
2607 | http_field_t field; /* HTTP field */ |
2608 | char *value = strchr(con->header, ':'); | |
2609 | /* Value of field */ | |
2610 | ||
2611 | if (value) | |
d6ae789d | 2612 | { |
e200616a MS |
2613 | *value++ = '\0'; |
2614 | while (isspace(*value & 255)) | |
2615 | value ++; | |
2616 | } | |
321d8d57 | 2617 | |
e200616a | 2618 | field = httpFieldValue(con->header); |
07725fee | 2619 | |
e200616a MS |
2620 | if (field != HTTP_FIELD_UNKNOWN && value) |
2621 | { | |
2622 | httpSetField(con->http, field, value); | |
2623 | ||
2624 | if (field == HTTP_FIELD_LOCATION) | |
2625 | { | |
2626 | con->pipe_status = HTTP_STATUS_SEE_OTHER; | |
2627 | con->sent_header = 2; | |
2628 | } | |
2629 | else | |
2630 | con->sent_header = 1; | |
d6ae789d | 2631 | } |
e200616a | 2632 | else if (!_cups_strcasecmp(con->header, "Status") && value) |
07725fee | 2633 | { |
e200616a | 2634 | con->pipe_status = (http_status_t)atoi(value); |
07725fee | 2635 | con->sent_header = 2; |
2636 | } | |
e200616a | 2637 | else if (!_cups_strcasecmp(con->header, "Set-Cookie") && value) |
4744bd90 | 2638 | { |
e200616a MS |
2639 | char *sep = strchr(value, ';'); |
2640 | /* Separator between name=value and the rest */ | |
321d8d57 | 2641 | |
e200616a MS |
2642 | if (sep) |
2643 | *sep = '\0'; | |
ef416fc2 | 2644 | |
e200616a MS |
2645 | httpSetCookie(con->http, value); |
2646 | con->sent_header = 1; | |
2647 | } | |
ef416fc2 | 2648 | } |
2649 | ||
ef416fc2 | 2650 | /* |
2651 | * Update buffer... | |
2652 | */ | |
2653 | ||
68b10830 | 2654 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2655 | |
68b10830 MS |
2656 | if (con->header_used > 0) |
2657 | memmove(con->header, bufptr, con->header_used); | |
d1c13e16 | 2658 | |
68b10830 | 2659 | bufptr = con->header - 1; |
ef416fc2 | 2660 | |
2661 | /* | |
2662 | * See if the line was empty... | |
2663 | */ | |
2664 | ||
68b10830 | 2665 | if (field_col == 0) |
d09495fa | 2666 | { |
ef416fc2 | 2667 | con->got_fields = 1; |
d09495fa | 2668 | |
e200616a MS |
2669 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1 && |
2670 | !httpGetField(con->http, HTTP_FIELD_CONTENT_LENGTH)[0]) | |
2671 | httpSetLength(con->http, 0); | |
2672 | ||
2673 | if (!cupsdSendHeader(con, con->pipe_status, NULL, CUPSD_AUTH_NONE)) | |
07725fee | 2674 | { |
2675 | cupsdCloseClient(con); | |
f7deaa1a | 2676 | return; |
07725fee | 2677 | } |
d09495fa | 2678 | } |
ef416fc2 | 2679 | else |
68b10830 | 2680 | field_col = 0; |
ef416fc2 | 2681 | } |
2682 | else if (*bufptr != '\r') | |
68b10830 | 2683 | field_col ++; |
d1c13e16 | 2684 | } |
ef416fc2 | 2685 | |
68b10830 | 2686 | if (!con->got_fields) |
47879b8b | 2687 | return; |
ef416fc2 | 2688 | } |
2689 | ||
68b10830 | 2690 | if (con->header_used > 0) |
ef416fc2 | 2691 | { |
996acce8 | 2692 | if (httpWrite2(con->http, con->header, con->header_used) < 0) |
4744bd90 | 2693 | { |
996acce8 | 2694 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2695 | httpError(con->http), strerror(httpError(con->http))); |
4744bd90 | 2696 | cupsdCloseClient(con); |
f7deaa1a | 2697 | return; |
4744bd90 | 2698 | } |
ef416fc2 | 2699 | |
d21dc0ed | 2700 | if (httpIsChunked(con->http)) |
996acce8 | 2701 | httpFlushWrite(con->http); |
ae71f5de | 2702 | |
68b10830 | 2703 | con->bytes += con->header_used; |
ef416fc2 | 2704 | |
5ec1fd3d | 2705 | if (httpGetState(con->http) == HTTP_STATE_WAITING) |
4744bd90 | 2706 | bytes = 0; |
68b10830 MS |
2707 | else |
2708 | bytes = con->header_used; | |
2709 | ||
2710 | con->header_used = 0; | |
4744bd90 | 2711 | } |
ef416fc2 | 2712 | } |
2713 | ||
8b116e60 | 2714 | if (bytes <= 0 || |
5ec1fd3d MS |
2715 | (httpGetState(con->http) != HTTP_STATE_GET_SEND && |
2716 | httpGetState(con->http) != HTTP_STATE_POST_SEND)) | |
ef416fc2 | 2717 | { |
38e73f87 | 2718 | if (!con->sent_header && con->pipe_pid) |
5ec1fd3d | 2719 | cupsdSendError(con, HTTP_STATUS_SERVER_ERROR, CUPSD_AUTH_NONE); |
94da7e34 MS |
2720 | else |
2721 | { | |
5ec1fd3d | 2722 | cupsdLogRequest(con, HTTP_STATUS_OK); |
ef416fc2 | 2723 | |
43dcaf3b | 2724 | if (httpIsChunked(con->http) && (!con->pipe_pid || con->sent_header == 1)) |
ef416fc2 | 2725 | { |
dfc45c1b MS |
2726 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending 0-length chunk."); |
2727 | ||
996acce8 | 2728 | if (httpWrite2(con->http, "", 0) < 0) |
94da7e34 | 2729 | { |
996acce8 | 2730 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing for error %d (%s)", |
5ec1fd3d | 2731 | httpError(con->http), strerror(httpError(con->http))); |
94da7e34 MS |
2732 | cupsdCloseClient(con); |
2733 | return; | |
2734 | } | |
ef416fc2 | 2735 | } |
dfc45c1b MS |
2736 | |
2737 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Flushing write buffer."); | |
2738 | httpFlushWrite(con->http); | |
2739 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "New state is %s", httpStateString(httpGetState(con->http))); | |
ef416fc2 | 2740 | } |
2741 | ||
996acce8 | 2742 | cupsdAddSelect(httpGetFd(con->http), (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2743 | |
996acce8 | 2744 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Waiting for request."); |
1bc82dd9 | 2745 | |
ef416fc2 | 2746 | if (con->file >= 0) |
2747 | { | |
f7deaa1a | 2748 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2749 | |
2750 | if (con->pipe_pid) | |
2751 | cupsdEndProcess(con->pipe_pid, 0); | |
2752 | ||
ef416fc2 | 2753 | close(con->file); |
2754 | con->file = -1; | |
2755 | con->pipe_pid = 0; | |
2756 | } | |
2757 | ||
2758 | if (con->filename) | |
2759 | { | |
ef416fc2 | 2760 | unlink(con->filename); |
2761 | cupsdClearString(&con->filename); | |
2762 | } | |
2763 | ||
2abf387c | 2764 | if (con->request) |
ef416fc2 | 2765 | { |
2766 | ippDelete(con->request); | |
2767 | con->request = NULL; | |
2768 | } | |
2769 | ||
2abf387c | 2770 | if (con->response) |
ef416fc2 | 2771 | { |
2772 | ippDelete(con->response); | |
2773 | con->response = NULL; | |
2774 | } | |
2775 | ||
2776 | cupsdClearString(&con->command); | |
2777 | cupsdClearString(&con->options); | |
b86bc4cf | 2778 | cupsdClearString(&con->query_string); |
ef416fc2 | 2779 | |
5ec1fd3d | 2780 | if (!httpGetKeepAlive(con->http)) |
ef416fc2 | 2781 | { |
996acce8 MS |
2782 | cupsdLogClient(con, CUPSD_LOG_DEBUG, |
2783 | "Closing because Keep-Alive is disabled."); | |
ef416fc2 | 2784 | cupsdCloseClient(con); |
f7deaa1a | 2785 | return; |
ef416fc2 | 2786 | } |
f11a948a MS |
2787 | else |
2788 | { | |
2789 | cupsArrayRemove(ActiveClients, con); | |
2790 | cupsdSetBusyState(); | |
2791 | } | |
ef416fc2 | 2792 | } |
f7deaa1a | 2793 | } |
ef416fc2 | 2794 | |
f7deaa1a | 2795 | |
e1d6a774 | 2796 | /* |
2797 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2798 | */ | |
2799 | ||
2800 | static int /* O - 1 if modified since */ | |
2801 | check_if_modified( | |
2802 | cupsd_client_t *con, /* I - Client connection */ | |
2803 | struct stat *filestats) /* I - File information */ | |
2804 | { | |
5ec1fd3d | 2805 | const char *ptr; /* Pointer into field */ |
e1d6a774 | 2806 | time_t date; /* Time/date value */ |
2807 | off_t size; /* Size/length value */ | |
2808 | ||
2809 | ||
2810 | size = 0; | |
2811 | date = 0; | |
5ec1fd3d | 2812 | ptr = httpGetField(con->http, HTTP_FIELD_IF_MODIFIED_SINCE); |
e1d6a774 | 2813 | |
2814 | if (*ptr == '\0') | |
2815 | return (1); | |
2816 | ||
996acce8 MS |
2817 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
2818 | "check_if_modified " | |
2819 | "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", | |
2820 | filestats, CUPS_LLCAST filestats->st_size, | |
2821 | (int)filestats->st_mtime, ptr); | |
e1d6a774 | 2822 | |
2823 | while (*ptr != '\0') | |
2824 | { | |
2825 | while (isspace(*ptr) || *ptr == ';') | |
2826 | ptr ++; | |
2827 | ||
88f9aafc | 2828 | if (_cups_strncasecmp(ptr, "length=", 7) == 0) |
e1d6a774 | 2829 | { |
2830 | ptr += 7; | |
2831 | size = strtoll(ptr, NULL, 10); | |
2832 | ||
2833 | while (isdigit(*ptr)) | |
2834 | ptr ++; | |
2835 | } | |
2836 | else if (isalpha(*ptr)) | |
2837 | { | |
2838 | date = httpGetDateTime(ptr); | |
2839 | while (*ptr != '\0' && *ptr != ';') | |
2840 | ptr ++; | |
2841 | } | |
e53920b9 | 2842 | else |
2843 | ptr ++; | |
e1d6a774 | 2844 | } |
2845 | ||
e1d6a774 | 2846 | return ((size != filestats->st_size && size != 0) || |
2847 | (date < filestats->st_mtime && date != 0) || | |
2848 | (size == 0 && date == 0)); | |
2849 | } | |
2850 | ||
2851 | ||
3dfe78b3 MS |
2852 | /* |
2853 | * 'compare_clients()' - Compare two client connections. | |
2854 | */ | |
2855 | ||
2856 | static int /* O - Result of comparison */ | |
2857 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
2858 | cupsd_client_t *b, /* I - Second client */ | |
2859 | void *data) /* I - User data (not used) */ | |
2860 | { | |
2861 | (void)data; | |
2862 | ||
2863 | if (a == b) | |
2864 | return (0); | |
2865 | else if (a < b) | |
2866 | return (-1); | |
2867 | else | |
2868 | return (1); | |
2869 | } | |
2870 | ||
2871 | ||
d3d89474 MS |
2872 | #ifdef HAVE_SSL |
2873 | /* | |
2874 | * 'cupsd_start_tls()' - Start encryption on a connection. | |
2875 | */ | |
2876 | ||
2877 | static int /* O - 0 on success, -1 on error */ | |
2878 | cupsd_start_tls(cupsd_client_t *con, /* I - Client connection */ | |
2879 | http_encryption_t e) /* I - Encryption mode */ | |
2880 | { | |
d3d89474 MS |
2881 | if (httpEncryption(con->http, e)) |
2882 | { | |
2883 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to encrypt connection: %s", | |
2884 | cupsLastErrorString()); | |
2885 | return (-1); | |
2886 | } | |
2887 | ||
2888 | cupsdLogClient(con, CUPSD_LOG_INFO, "Connection now encrypted."); | |
2889 | return (0); | |
2890 | } | |
2891 | #endif /* HAVE_SSL */ | |
2892 | ||
2893 | ||
ef416fc2 | 2894 | /* |
2895 | * 'get_file()' - Get a filename and state info. | |
2896 | */ | |
2897 | ||
2898 | static char * /* O - Real filename */ | |
2899 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
2900 | struct stat *filestats, /* O - File information */ | |
2901 | char *filename, /* IO - Filename buffer */ | |
2902 | int len) /* I - Buffer length */ | |
2903 | { | |
2904 | int status; /* Status of filesystem calls */ | |
2905 | char *ptr; /* Pointer info filename */ | |
2906 | int plen; /* Remaining length after pointer */ | |
db1f069b | 2907 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 2908 | |
2909 | ||
2910 | /* | |
f7deaa1a | 2911 | * Figure out the real filename... |
ef416fc2 | 2912 | */ |
2913 | ||
db1f069b MS |
2914 | language[0] = '\0'; |
2915 | ||
7cf5915e | 2916 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
ef416fc2 | 2917 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
7cf5915e MS |
2918 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
2919 | { | |
2920 | snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7); | |
2921 | if (access(filename, F_OK) < 0) | |
2922 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
2923 | } | |
f7deaa1a | 2924 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
2925 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 2926 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
2927 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
2928 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
2929 | { | |
2e4ff8af | 2930 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 2931 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 2932 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 2933 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 2934 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 2935 | strlcpy(filename, PageLog, len); |
2936 | else | |
2937 | return (NULL); | |
2938 | } | |
d6ae789d | 2939 | else if (con->language) |
db1f069b MS |
2940 | { |
2941 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
2942 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
2943 | } | |
ef416fc2 | 2944 | else |
2945 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
2946 | ||
2947 | if ((ptr = strchr(filename, '?')) != NULL) | |
2948 | *ptr = '\0'; | |
2949 | ||
2950 | /* | |
2951 | * Grab the status for this language; if there isn't a language-specific file | |
2952 | * then fallback to the default one... | |
2953 | */ | |
2954 | ||
db1f069b | 2955 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 2956 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 2957 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 2958 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 2959 | strncmp(con->uri, "/admin/conf/", 12) && |
2960 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 2961 | { |
2962 | /* | |
d6ae789d | 2963 | * Drop the country code... |
ef416fc2 | 2964 | */ |
2965 | ||
db1f069b MS |
2966 | language[3] = '\0'; |
2967 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 2968 | |
2969 | if ((ptr = strchr(filename, '?')) != NULL) | |
2970 | *ptr = '\0'; | |
2971 | ||
2972 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 2973 | { |
d6ae789d | 2974 | /* |
2975 | * Drop the language prefix and try the root directory... | |
2976 | */ | |
2977 | ||
db1f069b | 2978 | language[0] = '\0'; |
ef416fc2 | 2979 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
2980 | ||
2981 | if ((ptr = strchr(filename, '?')) != NULL) | |
2982 | *ptr = '\0'; | |
2983 | ||
2984 | status = stat(filename, filestats); | |
2985 | } | |
2986 | } | |
2987 | ||
2988 | /* | |
2989 | * If we're found a directory, get the index.html file instead... | |
2990 | */ | |
2991 | ||
2992 | if (!status && S_ISDIR(filestats->st_mode)) | |
2993 | { | |
db1f069b MS |
2994 | /* |
2995 | * Make sure the URI ends with a slash... | |
2996 | */ | |
ef416fc2 | 2997 | |
db1f069b MS |
2998 | if (con->uri[strlen(con->uri) - 1] != '/') |
2999 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3000 | |
db1f069b MS |
3001 | /* |
3002 | * Find the directory index file, trying every language... | |
3003 | */ | |
ef416fc2 | 3004 | |
db1f069b | 3005 | do |
ef416fc2 | 3006 | { |
db1f069b MS |
3007 | if (status && language[0]) |
3008 | { | |
3009 | /* | |
3010 | * Try a different language subset... | |
3011 | */ | |
3012 | ||
3013 | if (language[3]) | |
3014 | language[0] = '\0'; /* Strip country code */ | |
3015 | else | |
3016 | language[0] = '\0'; /* Strip language */ | |
3017 | } | |
3018 | ||
3019 | /* | |
3020 | * Look for the index file... | |
3021 | */ | |
3022 | ||
3023 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3024 | ||
3025 | if ((ptr = strchr(filename, '?')) != NULL) | |
3026 | *ptr = '\0'; | |
3027 | ||
3028 | ptr = filename + strlen(filename); | |
3029 | plen = len - (ptr - filename); | |
3030 | ||
3031 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3032 | status = stat(filename, filestats); |
db1f069b MS |
3033 | |
3034 | #ifdef HAVE_JAVA | |
3035 | if (status) | |
3036 | { | |
3037 | strlcpy(ptr, "index.class", plen); | |
3038 | status = stat(filename, filestats); | |
3039 | } | |
ef416fc2 | 3040 | #endif /* HAVE_JAVA */ |
3041 | ||
3042 | #ifdef HAVE_PERL | |
db1f069b MS |
3043 | if (status) |
3044 | { | |
3045 | strlcpy(ptr, "index.pl", plen); | |
3046 | status = stat(filename, filestats); | |
3047 | } | |
ef416fc2 | 3048 | #endif /* HAVE_PERL */ |
3049 | ||
3050 | #ifdef HAVE_PHP | |
db1f069b MS |
3051 | if (status) |
3052 | { | |
3053 | strlcpy(ptr, "index.php", plen); | |
3054 | status = stat(filename, filestats); | |
3055 | } | |
ef416fc2 | 3056 | #endif /* HAVE_PHP */ |
3057 | ||
3058 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3059 | if (status) |
3060 | { | |
3061 | strlcpy(ptr, "index.pyc", plen); | |
3062 | status = stat(filename, filestats); | |
3063 | } | |
ef416fc2 | 3064 | |
db1f069b MS |
3065 | if (status) |
3066 | { | |
3067 | strlcpy(ptr, "index.py", plen); | |
3068 | status = stat(filename, filestats); | |
3069 | } | |
ef416fc2 | 3070 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3071 | |
3072 | } | |
3073 | while (status && language[0]); | |
ef416fc2 | 3074 | } |
3075 | ||
996acce8 MS |
3076 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3077 | "get_file filestats=%p, filename=%p, len=%d, " | |
3078 | "returning \"%s\".", filestats, filename, len, | |
3079 | status ? "(null)" : filename); | |
ef416fc2 | 3080 | |
ef416fc2 | 3081 | if (status) |
3082 | return (NULL); | |
3083 | else | |
3084 | return (filename); | |
3085 | } | |
3086 | ||
3087 | ||
3088 | /* | |
c41769ff | 3089 | * 'install_cupsd_conf()' - Install a configuration file. |
ef416fc2 | 3090 | */ |
3091 | ||
3092 | static http_status_t /* O - Status */ | |
c41769ff | 3093 | install_cupsd_conf(cupsd_client_t *con) /* I - Connection */ |
ef416fc2 | 3094 | { |
321d8d57 | 3095 | char filename[1024]; /* Configuration filename */ |
ef416fc2 | 3096 | cups_file_t *in, /* Input file */ |
3097 | *out; /* Output file */ | |
321d8d57 MS |
3098 | char buffer[16384]; /* Copy buffer */ |
3099 | ssize_t bytes; /* Number of bytes */ | |
ef416fc2 | 3100 | |
3101 | ||
3102 | /* | |
321d8d57 | 3103 | * Open the request file... |
ef416fc2 | 3104 | */ |
3105 | ||
321d8d57 | 3106 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
ef416fc2 | 3107 | { |
996acce8 | 3108 | cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s", |
321d8d57 | 3109 | con->filename, strerror(errno)); |
5ec1fd3d | 3110 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3111 | } |
3112 | ||
3113 | /* | |
321d8d57 | 3114 | * Open the new config file... |
ef416fc2 | 3115 | */ |
3116 | ||
cb7f98ee | 3117 | if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL) |
ef416fc2 | 3118 | { |
3119 | cupsFileClose(in); | |
5ec1fd3d | 3120 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3121 | } |
3122 | ||
996acce8 | 3123 | cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...", |
cb7f98ee | 3124 | ConfigurationFile); |
ef416fc2 | 3125 | |
3126 | /* | |
3127 | * Copy from the request to the new config file... | |
3128 | */ | |
3129 | ||
3130 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3131 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3132 | { | |
996acce8 | 3133 | cupsdLogClient(con, CUPSD_LOG_ERROR, |
321d8d57 | 3134 | "Unable to copy to config file \"%s\": %s", |
cb7f98ee | 3135 | ConfigurationFile, strerror(errno)); |
ef416fc2 | 3136 | |
3137 | cupsFileClose(in); | |
3138 | cupsFileClose(out); | |
321d8d57 | 3139 | |
cb7f98ee MS |
3140 | snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile); |
3141 | cupsdUnlinkOrRemoveFile(filename); | |
ef416fc2 | 3142 | |
5ec1fd3d | 3143 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3144 | } |
3145 | ||
3146 | /* | |
3147 | * Close the files... | |
3148 | */ | |
3149 | ||
3150 | cupsFileClose(in); | |
ef416fc2 | 3151 | |
cb7f98ee | 3152 | if (cupsdCloseCreatedConfFile(out, ConfigurationFile)) |
5ec1fd3d | 3153 | return (HTTP_STATUS_SERVER_ERROR); |
ef416fc2 | 3154 | |
3155 | /* | |
3156 | * Remove the request file... | |
3157 | */ | |
3158 | ||
cb7f98ee | 3159 | cupsdUnlinkOrRemoveFile(con->filename); |
ef416fc2 | 3160 | cupsdClearString(&con->filename); |
3161 | ||
ef416fc2 | 3162 | /* |
c41769ff | 3163 | * Set the NeedReload flag... |
ef416fc2 | 3164 | */ |
3165 | ||
c41769ff | 3166 | NeedReload = RELOAD_CUPSD; |
ef416fc2 | 3167 | ReloadTime = time(NULL); |
3168 | ||
3169 | /* | |
3170 | * Return that the file was created successfully... | |
3171 | */ | |
3172 | ||
5ec1fd3d | 3173 | return (HTTP_STATUS_CREATED); |
ef416fc2 | 3174 | } |
3175 | ||
3176 | ||
e1d6a774 | 3177 | /* |
3178 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3179 | */ | |
3180 | ||
3181 | static int /* O - 1 = CGI, 0 = file */ | |
3182 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3183 | const char *filename, /* I - Real filename */ | |
3184 | struct stat *filestats, /* I - File information */ | |
3185 | mime_type_t *type) /* I - MIME type */ | |
3186 | { | |
3187 | const char *options; /* Options on URL */ | |
3188 | ||
3189 | ||
e1d6a774 | 3190 | /* |
3191 | * Get the options, if any... | |
3192 | */ | |
3193 | ||
3194 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3195 | { |
3196 | options ++; | |
3197 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3198 | } | |
b86bc4cf | 3199 | |
e1d6a774 | 3200 | /* |
3201 | * Check for known types... | |
3202 | */ | |
3203 | ||
88f9aafc | 3204 | if (!type || _cups_strcasecmp(type->super, "application")) |
e1d6a774 | 3205 | { |
996acce8 MS |
3206 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3207 | "is_cgi filename=\"%s\", filestats=%p, " | |
3208 | "type=%s/%s, returning 0", filename, | |
3209 | filestats, type ? type->super : "unknown", | |
3210 | type ? type->type : "unknown"); | |
e1d6a774 | 3211 | return (0); |
3212 | } | |
3213 | ||
88f9aafc | 3214 | if (!_cups_strcasecmp(type->type, "x-httpd-cgi") && |
e1d6a774 | 3215 | (filestats->st_mode & 0111)) |
3216 | { | |
3217 | /* | |
3218 | * "application/x-httpd-cgi" is a CGI script. | |
3219 | */ | |
3220 | ||
3221 | cupsdSetString(&con->command, filename); | |
3222 | ||
a0f6818e MS |
3223 | if (options) |
3224 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3225 | |
996acce8 MS |
3226 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3227 | "is_cgi filename=\"%s\", filestats=%p, " | |
3228 | "type=%s/%s, returning 1", filename, | |
3229 | filestats, type->super, type->type); | |
e1d6a774 | 3230 | return (1); |
3231 | } | |
3232 | #ifdef HAVE_JAVA | |
88f9aafc | 3233 | else if (!_cups_strcasecmp(type->type, "x-httpd-java")) |
e1d6a774 | 3234 | { |
3235 | /* | |
3236 | * "application/x-httpd-java" is a Java servlet. | |
3237 | */ | |
3238 | ||
3239 | cupsdSetString(&con->command, CUPS_JAVA); | |
3240 | ||
3241 | if (options) | |
b94498cf | 3242 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3243 | else |
b94498cf | 3244 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3245 | |
996acce8 MS |
3246 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3247 | "is_cgi filename=\"%s\", filestats=%p, " | |
3248 | "type=%s/%s, returning 1", filename, | |
3249 | filestats, type->super, type->type); | |
e1d6a774 | 3250 | return (1); |
3251 | } | |
3252 | #endif /* HAVE_JAVA */ | |
3253 | #ifdef HAVE_PERL | |
88f9aafc | 3254 | else if (!_cups_strcasecmp(type->type, "x-httpd-perl")) |
e1d6a774 | 3255 | { |
3256 | /* | |
3257 | * "application/x-httpd-perl" is a Perl page. | |
3258 | */ | |
3259 | ||
3260 | cupsdSetString(&con->command, CUPS_PERL); | |
3261 | ||
3262 | if (options) | |
b94498cf | 3263 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3264 | else |
b94498cf | 3265 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3266 | |
996acce8 MS |
3267 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3268 | "is_cgi filename=\"%s\", filestats=%p, " | |
3269 | "type=%s/%s, returning 1", filename, | |
3270 | filestats, type->super, type->type); | |
e1d6a774 | 3271 | return (1); |
3272 | } | |
3273 | #endif /* HAVE_PERL */ | |
3274 | #ifdef HAVE_PHP | |
88f9aafc | 3275 | else if (!_cups_strcasecmp(type->type, "x-httpd-php")) |
e1d6a774 | 3276 | { |
3277 | /* | |
3278 | * "application/x-httpd-php" is a PHP page. | |
3279 | */ | |
3280 | ||
3281 | cupsdSetString(&con->command, CUPS_PHP); | |
3282 | ||
3283 | if (options) | |
b94498cf | 3284 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3285 | else |
b94498cf | 3286 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3287 | |
996acce8 MS |
3288 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3289 | "is_cgi filename=\"%s\", filestats=%p, " | |
3290 | "type=%s/%s, returning 1", filename, | |
3291 | filestats, type->super, type->type); | |
e1d6a774 | 3292 | return (1); |
3293 | } | |
3294 | #endif /* HAVE_PHP */ | |
3295 | #ifdef HAVE_PYTHON | |
88f9aafc | 3296 | else if (!_cups_strcasecmp(type->type, "x-httpd-python")) |
e1d6a774 | 3297 | { |
3298 | /* | |
3299 | * "application/x-httpd-python" is a Python page. | |
3300 | */ | |
3301 | ||
3302 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3303 | ||
3304 | if (options) | |
b94498cf | 3305 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3306 | else |
b94498cf | 3307 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3308 | |
996acce8 MS |
3309 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3310 | "is_cgi filename=\"%s\", filestats=%p, " | |
3311 | "type=%s/%s, returning 1", filename, | |
3312 | filestats, type->super, type->type); | |
e1d6a774 | 3313 | return (1); |
3314 | } | |
3315 | #endif /* HAVE_PYTHON */ | |
3316 | ||
996acce8 MS |
3317 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3318 | "is_cgi filename=\"%s\", filestats=%p, " | |
3319 | "type=%s/%s, returning 0", filename, | |
3320 | filestats, type->super, type->type); | |
e1d6a774 | 3321 | return (0); |
3322 | } | |
3323 | ||
3324 | ||
ef416fc2 | 3325 | /* |
3326 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3327 | */ | |
3328 | ||
3329 | static int /* O - 0 if relative, 1 if absolute */ | |
3330 | is_path_absolute(const char *path) /* I - Input path */ | |
3331 | { | |
3332 | /* | |
3333 | * Check for a leading slash... | |
3334 | */ | |
3335 | ||
3336 | if (path[0] != '/') | |
3337 | return (0); | |
3338 | ||
3339 | /* | |
3340 | * Check for "/.." in the path... | |
3341 | */ | |
3342 | ||
3343 | while ((path = strstr(path, "/..")) != NULL) | |
3344 | { | |
3345 | if (!path[3] || path[3] == '/') | |
3346 | return (0); | |
3347 | ||
3348 | path ++; | |
3349 | } | |
3350 | ||
3351 | /* | |
3352 | * If we haven't found any relative paths, return 1 indicating an | |
3353 | * absolute path... | |
3354 | */ | |
3355 | ||
3356 | return (1); | |
3357 | } | |
3358 | ||
3359 | ||
3360 | /* | |
3361 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
3362 | */ | |
3363 | ||
3364 | static int /* O - Process ID */ | |
3365 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
3366 | int infile, /* I - Standard input for command */ | |
3367 | int *outfile, /* O - Standard output for command */ | |
3368 | char *command, /* I - Command to run */ | |
3369 | char *options, /* I - Options for command */ | |
3370 | int root) /* I - Run as root? */ | |
3371 | { | |
3372 | int i; /* Looping var */ | |
3373 | int pid; /* Process ID */ | |
b423cd4c | 3374 | char *commptr, /* Command string pointer */ |
3375 | commch; /* Command string character */ | |
ef416fc2 | 3376 | char *uriptr; /* URI string pointer */ |
3377 | int fds[2]; /* Pipe FDs */ | |
3378 | int argc; /* Number of arguments */ | |
3379 | int envc; /* Number of environment variables */ | |
3380 | char argbuf[10240], /* Argument buffer */ | |
3381 | *argv[100], /* Argument strings */ | |
b94498cf | 3382 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 3383 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 3384 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 3385 | content_type[1024], /* CONTENT_TYPE environment variable */ |
3386 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 3387 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 3388 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
3389 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 3390 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 3391 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3392 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3393 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 3394 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 3395 | script_name[1024], /* SCRIPT_NAME environment variable */ |
3396 | server_name[1024], /* SERVER_NAME environment variable */ | |
3397 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 3398 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
ef416fc2 | 3399 | |
3400 | ||
3401 | /* | |
3402 | * Parse a copy of the options string, which is of the form: | |
3403 | * | |
b423cd4c | 3404 | * argument+argument+argument |
3405 | * ?argument+argument+argument | |
3406 | * param=value¶m=value | |
3407 | * ?param=value¶m=value | |
3408 | * /name?argument+argument+argument | |
3409 | * /name?param=value¶m=value | |
ef416fc2 | 3410 | * |
3411 | * If the string contains an "=" character after the initial name, | |
3412 | * then we treat it as a HTTP GET form request and make a copy of | |
3413 | * the remaining string for the environment variable. | |
3414 | * | |
3415 | * The string is always parsed out as command-line arguments, to | |
3416 | * be consistent with Apache... | |
3417 | */ | |
3418 | ||
996acce8 MS |
3419 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3420 | "pipe_command infile=%d, outfile=%p, " | |
3421 | "command=\"%s\", options=\"%s\", root=%d", | |
3422 | infile, outfile, command, | |
3423 | options ? options : "(null)", root); | |
ef416fc2 | 3424 | |
b86bc4cf | 3425 | argv[0] = command; |
ef416fc2 | 3426 | |
b423cd4c | 3427 | if (options) |
c7017ecc MS |
3428 | { |
3429 | commptr = options; | |
3430 | if (*commptr == ' ') | |
3431 | commptr ++; | |
3432 | strlcpy(argbuf, commptr, sizeof(argbuf)); | |
3433 | } | |
b423cd4c | 3434 | else |
3435 | argbuf[0] = '\0'; | |
3436 | ||
3437 | if (argbuf[0] == '/') | |
ef416fc2 | 3438 | { |
3439 | /* | |
b423cd4c | 3440 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 3441 | */ |
3442 | ||
b423cd4c | 3443 | if ((commptr = strchr(argbuf, '?')) == NULL) |
3444 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 3445 | |
b423cd4c | 3446 | commch = *commptr; |
3447 | *commptr = '\0'; | |
3448 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
3449 | *commptr = commch; | |
3450 | } | |
3451 | else | |
3452 | { | |
3453 | commptr = argbuf; | |
3454 | path_info[0] = '\0'; | |
b94498cf | 3455 | |
3456 | if (*commptr == ' ') | |
3457 | commptr ++; | |
b423cd4c | 3458 | } |
ef416fc2 | 3459 | |
cb7f98ee | 3460 | if (*commptr == '?' && con->operation == HTTP_STATE_GET && !con->query_string) |
b423cd4c | 3461 | { |
3462 | commptr ++; | |
b86bc4cf | 3463 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 3464 | } |
ef416fc2 | 3465 | |
b423cd4c | 3466 | argc = 1; |
ef416fc2 | 3467 | |
b423cd4c | 3468 | if (*commptr) |
3469 | { | |
3470 | argv[argc ++] = commptr; | |
ef416fc2 | 3471 | |
b423cd4c | 3472 | for (; *commptr && argc < 99; commptr ++) |
3473 | { | |
ef416fc2 | 3474 | /* |
b423cd4c | 3475 | * Break arguments whenever we see a + or space... |
ef416fc2 | 3476 | */ |
3477 | ||
b423cd4c | 3478 | if (*commptr == ' ' || *commptr == '+') |
3479 | { | |
3480 | while (*commptr == ' ' || *commptr == '+') | |
3481 | *commptr++ = '\0'; | |
ef416fc2 | 3482 | |
b423cd4c | 3483 | /* |
3484 | * If we don't have a blank string, save it as another argument... | |
3485 | */ | |
ef416fc2 | 3486 | |
b423cd4c | 3487 | if (*commptr) |
3488 | { | |
3489 | argv[argc] = commptr; | |
3490 | argc ++; | |
3491 | } | |
3492 | else | |
3493 | break; | |
3494 | } | |
3495 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
3496 | isxdigit(commptr[2] & 255)) | |
3497 | { | |
3498 | /* | |
3499 | * Convert the %xx notation to the individual character. | |
3500 | */ | |
ef416fc2 | 3501 | |
b423cd4c | 3502 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3503 | *commptr = (commptr[1] - '0') << 4; | |
3504 | else | |
3505 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 3506 | |
b423cd4c | 3507 | if (commptr[2] >= '0' && commptr[2] <= '9') |
3508 | *commptr |= commptr[2] - '0'; | |
3509 | else | |
3510 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 3511 | |
b423cd4c | 3512 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 3513 | |
b423cd4c | 3514 | /* |
3515 | * Check for a %00 and break if that is the case... | |
3516 | */ | |
ef416fc2 | 3517 | |
b423cd4c | 3518 | if (!*commptr) |
3519 | break; | |
3520 | } | |
ef416fc2 | 3521 | } |
3522 | } | |
3523 | ||
3524 | argv[argc] = NULL; | |
3525 | ||
ef416fc2 | 3526 | /* |
3527 | * Setup the environment variables as needed... | |
3528 | */ | |
3529 | ||
b94498cf | 3530 | if (con->username[0]) |
3531 | { | |
c7017ecc | 3532 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
996acce8 | 3533 | httpGetField(con->http, HTTP_FIELD_AUTHORIZATION)); |
b94498cf | 3534 | |
3535 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
3536 | *uriptr = '\0'; | |
3537 | } | |
3538 | else | |
3539 | auth_type[0] = '\0'; | |
3540 | ||
7dfedb92 MS |
3541 | if (con->request && |
3542 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
3543 | IPP_TAG_LANGUAGE)) != NULL) | |
3544 | { | |
3545 | switch (strlen(attr->values[0].string.text)) | |
3546 | { | |
3547 | default : | |
3548 | /* | |
3549 | * This is an unknown or badly formatted language code; use | |
3550 | * the POSIX locale... | |
3551 | */ | |
3552 | ||
5a9febac | 3553 | strlcpy(lang, "LANG=C", sizeof(lang)); |
7dfedb92 MS |
3554 | break; |
3555 | ||
3556 | case 2 : | |
3557 | /* | |
3558 | * Just the language code (ll)... | |
3559 | */ | |
3560 | ||
3561 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
3562 | attr->values[0].string.text); | |
3563 | break; | |
3564 | ||
3565 | case 5 : | |
3566 | /* | |
3567 | * Language and country code (ll-cc)... | |
3568 | */ | |
3569 | ||
3570 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
3571 | attr->values[0].string.text[0], | |
3572 | attr->values[0].string.text[1], | |
3573 | toupper(attr->values[0].string.text[3] & 255), | |
3574 | toupper(attr->values[0].string.text[4] & 255)); | |
3575 | break; | |
3576 | } | |
3577 | } | |
3578 | else if (con->language) | |
3579 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 3580 | else |
5a9febac | 3581 | strlcpy(lang, "LANG=C", sizeof(lang)); |
ef416fc2 | 3582 | |
5a9febac | 3583 | strlcpy(remote_addr, "REMOTE_ADDR=", sizeof(remote_addr)); |
5ec1fd3d | 3584 | httpAddrString(httpGetAddress(con->http), remote_addr + 12, |
ef416fc2 | 3585 | sizeof(remote_addr) - 12); |
3586 | ||
3587 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
5ec1fd3d | 3588 | httpGetHostname(con->http, NULL, 0)); |
ef416fc2 | 3589 | |
3590 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3591 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3592 | *uriptr = '\0'; | |
3593 | ||
b94498cf | 3594 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
3595 | DocumentRoot, script_name + 12); | |
3596 | ||
ef416fc2 | 3597 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
3598 | ||
5ec1fd3d | 3599 | if (httpGetField(con->http, HTTP_FIELD_HOST)[0]) |
0268488e MS |
3600 | { |
3601 | char *nameptr; /* Pointer to ":port" */ | |
3602 | ||
3603 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
5ec1fd3d | 3604 | httpGetField(con->http, HTTP_FIELD_HOST)); |
0268488e MS |
3605 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) |
3606 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
3607 | } | |
3608 | else | |
3609 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3610 | con->servername); | |
ef416fc2 | 3611 | |
3612 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3613 | ||
b94498cf | 3614 | if (auth_type[0]) |
3615 | envp[envc ++] = auth_type; | |
3616 | ||
ef416fc2 | 3617 | envp[envc ++] = lang; |
3618 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 3619 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 3620 | envp[envc ++] = server_name; |
3621 | envp[envc ++] = server_port; | |
3622 | envp[envc ++] = remote_addr; | |
3623 | envp[envc ++] = remote_host; | |
3624 | envp[envc ++] = script_name; | |
b94498cf | 3625 | envp[envc ++] = script_filename; |
ef416fc2 | 3626 | |
b423cd4c | 3627 | if (path_info[0]) |
3628 | envp[envc ++] = path_info; | |
3629 | ||
ef416fc2 | 3630 | if (con->username[0]) |
3631 | { | |
3632 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
3633 | ||
3634 | envp[envc ++] = remote_user; | |
3635 | } | |
3636 | ||
d21dc0ed | 3637 | if (httpGetVersion(con->http) == HTTP_VERSION_1_1) |
ef416fc2 | 3638 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; |
d21dc0ed | 3639 | else if (httpGetVersion(con->http) == HTTP_VERSION_1_0) |
ef416fc2 | 3640 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; |
3641 | else | |
3642 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3643 | ||
d21dc0ed | 3644 | if (httpGetCookie(con->http)) |
ef416fc2 | 3645 | { |
3646 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
d21dc0ed | 3647 | httpGetCookie(con->http)); |
ef416fc2 | 3648 | envp[envc ++] = http_cookie; |
3649 | } | |
3650 | ||
5ec1fd3d | 3651 | if (httpGetField(con->http, HTTP_FIELD_USER_AGENT)[0]) |
ef416fc2 | 3652 | { |
3653 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
5ec1fd3d | 3654 | httpGetField(con->http, HTTP_FIELD_USER_AGENT)); |
ef416fc2 | 3655 | envp[envc ++] = http_user_agent; |
3656 | } | |
3657 | ||
5ec1fd3d | 3658 | if (httpGetField(con->http, HTTP_FIELD_REFERER)[0]) |
f7deaa1a | 3659 | { |
3660 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5ec1fd3d | 3661 | httpGetField(con->http, HTTP_FIELD_REFERER)); |
f7deaa1a | 3662 | envp[envc ++] = http_referer; |
3663 | } | |
3664 | ||
cb7f98ee | 3665 | if (con->operation == HTTP_STATE_GET) |
ef416fc2 | 3666 | { |
ef416fc2 | 3667 | envp[envc ++] = "REQUEST_METHOD=GET"; |
3668 | ||
b86bc4cf | 3669 | if (con->query_string) |
ef416fc2 | 3670 | { |
3671 | /* | |
3672 | * Add GET form variables after ?... | |
3673 | */ | |
3674 | ||
b86bc4cf | 3675 | envp[envc ++] = con->query_string; |
ef416fc2 | 3676 | } |
3dfe78b3 MS |
3677 | else |
3678 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 3679 | } |
3680 | else | |
3681 | { | |
e1d6a774 | 3682 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
3683 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 3684 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5ec1fd3d | 3685 | httpGetField(con->http, HTTP_FIELD_CONTENT_TYPE)); |
ef416fc2 | 3686 | |
3687 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
3688 | envp[envc ++] = content_length; | |
3689 | envp[envc ++] = content_type; | |
3690 | } | |
3691 | ||
3692 | /* | |
3693 | * Tell the CGI if we are using encryption... | |
3694 | */ | |
3695 | ||
d21dc0ed | 3696 | if (httpIsEncrypted(con->http)) |
ef416fc2 | 3697 | envp[envc ++] = "HTTPS=ON"; |
3698 | ||
3699 | /* | |
3700 | * Terminate the environment array... | |
3701 | */ | |
3702 | ||
3703 | envp[envc] = NULL; | |
3704 | ||
38e73f87 | 3705 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 3706 | { |
3707 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
3708 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3709 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 3710 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
3711 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3712 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 3713 | } |
3714 | ||
3715 | /* | |
3716 | * Create a pipe for the output... | |
3717 | */ | |
3718 | ||
3719 | if (cupsdOpenPipe(fds)) | |
3720 | { | |
38e73f87 | 3721 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 3722 | argv[0], strerror(errno)); |
3723 | return (0); | |
3724 | } | |
3725 | ||
3726 | /* | |
3727 | * Then execute the command... | |
3728 | */ | |
3729 | ||
3730 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 3731 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 3732 | { |
3733 | /* | |
3734 | * Error - can't fork! | |
3735 | */ | |
3736 | ||
38e73f87 | 3737 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 3738 | strerror(errno)); |
3739 | ||
3740 | cupsdClosePipe(fds); | |
3741 | pid = 0; | |
3742 | } | |
3743 | else | |
3744 | { | |
3745 | /* | |
3746 | * Fork successful - return the PID... | |
3747 | */ | |
3748 | ||
3749 | if (con->username[0]) | |
0fa6c7fa | 3750 | cupsdAddCert(pid, con->username, con->type); |
ef416fc2 | 3751 | |
38e73f87 | 3752 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 3753 | |
3754 | *outfile = fds[0]; | |
3755 | close(fds[1]); | |
3756 | } | |
3757 | ||
ef416fc2 | 3758 | return (pid); |
3759 | } | |
3760 | ||
3761 | ||
e07d4801 MS |
3762 | /* |
3763 | * 'valid_host()' - Is the Host: field valid? | |
3764 | */ | |
3765 | ||
3766 | static int /* O - 1 if valid, 0 if not */ | |
3767 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
3768 | { | |
3769 | cupsd_alias_t *a; /* Current alias */ | |
3770 | cupsd_netif_t *netif; /* Current network interface */ | |
f2534050 MS |
3771 | const char *end; /* End character */ |
3772 | char *ptr; /* Pointer into host value */ | |
e07d4801 MS |
3773 | |
3774 | ||
f2534050 MS |
3775 | /* |
3776 | * Copy the Host: header for later use... | |
3777 | */ | |
3778 | ||
5ec1fd3d | 3779 | strlcpy(con->clientname, httpGetField(con->http, HTTP_FIELD_HOST), |
f2534050 MS |
3780 | sizeof(con->clientname)); |
3781 | if ((ptr = strrchr(con->clientname, ':')) != NULL && !strchr(ptr, ']')) | |
3782 | { | |
3783 | *ptr++ = '\0'; | |
3784 | con->clientport = atoi(ptr); | |
3785 | } | |
3786 | else | |
3787 | con->clientport = con->serverport; | |
3788 | ||
3789 | /* | |
3790 | * Then validate... | |
3791 | */ | |
e07d4801 | 3792 | |
5ec1fd3d | 3793 | if (httpAddrLocalhost(httpGetAddress(con->http))) |
e07d4801 MS |
3794 | { |
3795 | /* | |
3796 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
3797 | * addresses when accessing CUPS via the loopback interface... | |
3798 | */ | |
3799 | ||
f2534050 MS |
3800 | return (!_cups_strcasecmp(con->clientname, "localhost") || |
3801 | !_cups_strcasecmp(con->clientname, "localhost.") || | |
e07d4801 | 3802 | #ifdef __linux |
f2534050 | 3803 | !_cups_strcasecmp(con->clientname, "localhost.localdomain") || |
e07d4801 | 3804 | #endif /* __linux */ |
f2534050 MS |
3805 | !strcmp(con->clientname, "127.0.0.1") || |
3806 | !strcmp(con->clientname, "[::1]")); | |
e07d4801 MS |
3807 | } |
3808 | ||
37e7e6e0 | 3809 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3810 | /* |
3811 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
3812 | */ | |
3813 | ||
f2534050 MS |
3814 | if ((end = strrchr(con->clientname, '.')) != NULL && end > con->clientname && |
3815 | !end[1]) | |
a29fd7dd MS |
3816 | { |
3817 | /* | |
3818 | * "." on end, work back to second-to-last "."... | |
3819 | */ | |
f2534050 MS |
3820 | |
3821 | for (end --; end > con->clientname && *end != '.'; end --); | |
a29fd7dd MS |
3822 | } |
3823 | ||
3824 | if (end && (!_cups_strcasecmp(end, ".local") || | |
f2534050 | 3825 | !_cups_strcasecmp(end, ".local."))) |
e07d4801 | 3826 | return (1); |
37e7e6e0 | 3827 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3828 | |
3829 | /* | |
3830 | * Check if the hostname is an IP address... | |
3831 | */ | |
3832 | ||
f2534050 | 3833 | if (isdigit(con->clientname[0] & 255) || con->clientname[0] == '[') |
e07d4801 MS |
3834 | { |
3835 | /* | |
3836 | * Possible IPv4/IPv6 address... | |
3837 | */ | |
3838 | ||
e07d4801 MS |
3839 | http_addrlist_t *addrlist; /* List of addresses */ |
3840 | ||
3841 | ||
f2534050 | 3842 | if ((addrlist = httpAddrGetList(con->clientname, AF_UNSPEC, NULL)) != NULL) |
e07d4801 MS |
3843 | { |
3844 | /* | |
3845 | * Good IPv4/IPv6 address... | |
3846 | */ | |
3847 | ||
3848 | httpAddrFreeList(addrlist); | |
3849 | return (1); | |
3850 | } | |
3851 | } | |
3852 | ||
3853 | /* | |
3854 | * Check for (alias) name matches... | |
3855 | */ | |
3856 | ||
3857 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
3858 | a; | |
3859 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
3860 | { | |
3861 | /* | |
3862 | * "ServerAlias *" allows all host values through... | |
3863 | */ | |
3864 | ||
3865 | if (!strcmp(a->name, "*")) | |
3866 | return (1); | |
3867 | ||
f2534050 | 3868 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3869 | { |
3870 | /* | |
f2534050 | 3871 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3872 | */ |
3873 | ||
f2534050 | 3874 | end = con->clientname + a->namelen; |
e07d4801 | 3875 | |
f2534050 | 3876 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3877 | return (1); |
3878 | } | |
3879 | } | |
3880 | ||
37e7e6e0 | 3881 | #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
e07d4801 MS |
3882 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); |
3883 | a; | |
3884 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
3885 | { | |
3886 | /* | |
3887 | * "ServerAlias *" allows all host values through... | |
3888 | */ | |
3889 | ||
3890 | if (!strcmp(a->name, "*")) | |
3891 | return (1); | |
3892 | ||
f2534050 | 3893 | if (!_cups_strncasecmp(con->clientname, a->name, a->namelen)) |
e07d4801 MS |
3894 | { |
3895 | /* | |
f2534050 | 3896 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3897 | */ |
3898 | ||
f2534050 | 3899 | end = con->clientname + a->namelen; |
e07d4801 | 3900 | |
f2534050 | 3901 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3902 | return (1); |
3903 | } | |
3904 | } | |
37e7e6e0 | 3905 | #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
e07d4801 MS |
3906 | |
3907 | /* | |
3908 | * Check for interface hostname matches... | |
3909 | */ | |
3910 | ||
3911 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
3912 | netif; | |
3913 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
3914 | { | |
f2534050 | 3915 | if (!_cups_strncasecmp(con->clientname, netif->hostname, netif->hostlen)) |
e07d4801 MS |
3916 | { |
3917 | /* | |
f2534050 | 3918 | * Prefix matches; check the character at the end - it must be "." or nul. |
e07d4801 MS |
3919 | */ |
3920 | ||
f2534050 | 3921 | end = con->clientname + netif->hostlen; |
e07d4801 | 3922 | |
f2534050 | 3923 | if (!*end || (*end == '.' && !end[1])) |
e07d4801 MS |
3924 | return (1); |
3925 | } | |
3926 | } | |
3927 | ||
3928 | return (0); | |
3929 | } | |
3930 | ||
3931 | ||
ef416fc2 | 3932 | /* |
a74454a7 | 3933 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 3934 | */ |
3935 | ||
3936 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 3937 | write_file(cupsd_client_t *con, /* I - Client connection */ |
3938 | http_status_t code, /* I - HTTP status */ | |
3939 | char *filename, /* I - Filename */ | |
3940 | char *type, /* I - File type */ | |
3941 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 3942 | { |
3943 | con->file = open(filename, O_RDONLY); | |
3944 | ||
996acce8 MS |
3945 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, |
3946 | "write_file code=%d, filename=\"%s\" (%d), " | |
3947 | "type=\"%s\", filestats=%p", | |
3948 | code, filename, con->file, type ? type : "(null)", filestats); | |
e1d6a774 | 3949 | |
3950 | if (con->file < 0) | |
3951 | return (0); | |
3952 | ||
3953 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
3954 | ||
dfc45c1b MS |
3955 | con->pipe_pid = 0; |
3956 | con->sent_header = 1; | |
e1d6a774 | 3957 | |
a73ca01e MS |
3958 | httpClearFields(con->http); |
3959 | ||
e200616a | 3960 | httpSetLength(con->http, filestats->st_size); |
e1d6a774 | 3961 | |
e200616a MS |
3962 | httpSetField(con->http, HTTP_FIELD_LAST_MODIFIED, |
3963 | httpGetDateString(filestats->st_mtime)); | |
e1d6a774 | 3964 | |
e200616a | 3965 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
07725fee | 3966 | return (0); |
d09495fa | 3967 | |
43dcaf3b | 3968 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
e1d6a774 | 3969 | |
996acce8 | 3970 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "Sending file."); |
1bc82dd9 | 3971 | |
e1d6a774 | 3972 | return (1); |
3973 | } | |
3974 | ||
3975 | ||
3976 | /* | |
f899b121 | 3977 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
3978 | */ | |
3979 | ||
3980 | static void | |
3981 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
3982 | { | |
996acce8 MS |
3983 | cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe CGI output on fd %d", |
3984 | con->file); | |
f899b121 | 3985 | |
3986 | con->file_ready = 1; | |
3987 | ||
3988 | cupsdRemoveSelect(con->file); | |
996acce8 | 3989 | cupsdAddSelect(httpGetFd(con->http), NULL, (cupsd_selfunc_t)cupsdWriteClient, con); |
1bc82dd9 | 3990 | |
996acce8 | 3991 | cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent."); |
f899b121 | 3992 | } |
3993 | ||
3994 | ||
3995 | /* | |
f2d18633 | 3996 | * End of "$Id$". |
ef416fc2 | 3997 | */ |