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ef416fc2 | 1 | /* |
b19ccc9e | 2 | * "$Id: client.c 7950 2008-09-17 00:21:59Z mike $" |
ef416fc2 | 3 | * |
10d09e33 | 4 | * Client routines for the CUPS scheduler. |
ef416fc2 | 5 | * |
0268488e | 6 | * Copyright 2007-2011 by Apple Inc. |
f7deaa1a | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
8 | * | |
9 | * This file contains Kerberos support code, copyright 2006 by | |
10 | * Jelmer Vernooij. | |
ef416fc2 | 11 | * |
12 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 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 | * Contents: | |
19 | * | |
94da7e34 MS |
20 | * cupsdAcceptClient() - Accept a new client. |
21 | * cupsdCloseAllClients() - Close all remote clients immediately. | |
22 | * cupsdCloseClient() - Close a remote client. | |
23 | * cupsdFlushHeader() - Flush the header fields to the client. | |
24 | * cupsdReadClient() - Read data from a client. | |
25 | * cupsdSendCommand() - Send output from a command via HTTP. | |
26 | * cupsdSendError() - Send an error message via HTTP. | |
27 | * cupsdSendHeader() - Send an HTTP request. | |
28 | * cupsdUpdateCGI() - Read status messages from CGI scripts and | |
29 | * programs. | |
30 | * cupsdWriteClient() - Write data to a client as needed. | |
31 | * check_if_modified() - Decode an "If-Modified-Since" line. | |
32 | * compare_clients() - Compare two client connections. | |
33 | * data_ready() - Check whether data is available from a client. | |
34 | * encrypt_client() - Enable encryption for the client... | |
35 | * get_cdsa_certificate() - Get a SSL/TLS certificate from the System | |
36 | * keychain. | |
37 | * get_file() - Get a filename and state info. | |
38 | * install_conf_file() - Install a configuration file. | |
39 | * is_cgi() - Is the resource a CGI script/program? | |
40 | * is_path_absolute() - Is a path absolute and free of relative elements | |
41 | * (i.e. ".."). | |
42 | * make_certificate() - Make a self-signed SSL/TLS certificate. | |
43 | * pipe_command() - Pipe the output of a command to the remote client. | |
e07d4801 | 44 | * valid_host() - Is the Host: field valid? |
94da7e34 MS |
45 | * write_file() - Send a file via HTTP. |
46 | * write_pipe() - Flag that data is available on the CGI pipe. | |
ef416fc2 | 47 | */ |
48 | ||
49 | /* | |
50 | * Include necessary headers... | |
51 | */ | |
52 | ||
ef416fc2 | 53 | #include "cupsd.h" |
54 | ||
749b1e90 MS |
55 | #ifdef HAVE_TCPD_H |
56 | # include <tcpd.h> | |
57 | #endif /* HAVE_TCPD_H */ | |
58 | ||
ef416fc2 | 59 | |
60 | /* | |
61 | * Local functions... | |
62 | */ | |
63 | ||
64 | static int check_if_modified(cupsd_client_t *con, | |
65 | struct stat *filestats); | |
3dfe78b3 MS |
66 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
67 | void *data); | |
ee571f26 | 68 | static int data_ready(cupsd_client_t *con); |
80ca4592 | 69 | #ifdef HAVE_SSL |
e1d6a774 | 70 | static int encrypt_client(cupsd_client_t *con); |
80ca4592 | 71 | #endif /* HAVE_SSL */ |
ef416fc2 | 72 | #ifdef HAVE_CDSASSL |
b86bc4cf | 73 | static CFArrayRef get_cdsa_certificate(cupsd_client_t *con); |
ef416fc2 | 74 | #endif /* HAVE_CDSASSL */ |
f7deaa1a | 75 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 76 | char *filename, int len); |
77 | static http_status_t install_conf_file(cupsd_client_t *con); | |
e1d6a774 | 78 | static int is_cgi(cupsd_client_t *con, const char *filename, |
79 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 80 | static int is_path_absolute(const char *path); |
8ca02f3c | 81 | #ifdef HAVE_SSL |
b86bc4cf | 82 | static int make_certificate(cupsd_client_t *con); |
8ca02f3c | 83 | #endif /* HAVE_SSL */ |
ef416fc2 | 84 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, |
85 | char *command, char *options, int root); | |
e07d4801 | 86 | static int valid_host(cupsd_client_t *con); |
a74454a7 | 87 | static int write_file(cupsd_client_t *con, http_status_t code, |
88 | char *filename, char *type, | |
89 | struct stat *filestats); | |
f899b121 | 90 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 91 | |
92 | ||
93 | /* | |
94 | * 'cupsdAcceptClient()' - Accept a new client. | |
95 | */ | |
96 | ||
97 | void | |
98 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
99 | { | |
ef416fc2 | 100 | int count; /* Count of connections on a host */ |
101 | int val; /* Parameter value */ | |
bd7854cb | 102 | cupsd_client_t *con, /* New client pointer */ |
103 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 104 | http_addrlist_t *addrlist, /* List of adddresses for host */ |
105 | *addr; /* Current address */ | |
106 | socklen_t addrlen; /* Length of address */ | |
107 | char *hostname; /* Hostname for address */ | |
108 | http_addr_t temp; /* Temporary address variable */ | |
109 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
110 | #ifdef HAVE_TCPD_H |
111 | struct request_info wrap_req; /* TCP wrappers request information */ | |
112 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 113 | |
114 | ||
115 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 | 116 | "cupsdAcceptClient(lis=%p(%d)) Clients=%d", |
bd7854cb | 117 | lis, lis->fd, cupsArrayCount(Clients)); |
ef416fc2 | 118 | |
119 | /* | |
120 | * Make sure we don't have a full set of clients already... | |
121 | */ | |
122 | ||
bd7854cb | 123 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 124 | return; |
125 | ||
126 | /* | |
127 | * Get a pointer to the next available client... | |
128 | */ | |
129 | ||
bd7854cb | 130 | if (!Clients) |
131 | Clients = cupsArrayNew(NULL, NULL); | |
132 | ||
133 | if (!Clients) | |
91c84a35 MS |
134 | { |
135 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
136 | "Unable to allocate memory for clients array!"); |
137 | cupsdPauseListening(); | |
138 | return; | |
139 | } | |
140 | ||
141 | if (!ActiveClients) | |
142 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
143 | ||
144 | if (!ActiveClients) | |
145 | { | |
146 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
147 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 148 | cupsdPauseListening(); |
bd7854cb | 149 | return; |
91c84a35 | 150 | } |
bd7854cb | 151 | |
91c84a35 MS |
152 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
153 | { | |
154 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
155 | cupsdPauseListening(); | |
156 | return; | |
157 | } | |
ef416fc2 | 158 | |
ef416fc2 | 159 | con->http.activity = time(NULL); |
160 | con->file = -1; | |
161 | con->http.hostaddr = &(con->clientaddr); | |
162 | ||
163 | /* | |
164 | * Accept the client and get the remote address... | |
165 | */ | |
166 | ||
167 | addrlen = sizeof(http_addr_t); | |
168 | ||
169 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)con->http.hostaddr, | |
170 | &addrlen)) < 0) | |
171 | { | |
76cd9e37 MS |
172 | if (errno == ENFILE || errno == EMFILE) |
173 | cupsdPauseListening(); | |
174 | ||
ef416fc2 | 175 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
176 | strerror(errno)); | |
bd7854cb | 177 | free(con); |
76cd9e37 | 178 | |
ef416fc2 | 179 | return; |
180 | } | |
181 | ||
182 | #ifdef AF_INET6 | |
183 | if (lis->address.addr.sa_family == AF_INET6) | |
184 | { | |
185 | /* | |
186 | * Save the connected port number... | |
187 | */ | |
188 | ||
189 | con->http.hostaddr->ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
190 | ||
191 | /* | |
192 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
193 | * can more easily use... | |
194 | */ | |
195 | ||
196 | if (con->http.hostaddr->ipv6.sin6_addr.s6_addr32[0] == 0 && | |
197 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
198 | ntohl(con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
199 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2] = 0; | |
200 | } | |
201 | else | |
202 | #endif /* AF_INET6 */ | |
203 | if (lis->address.addr.sa_family == AF_INET) | |
204 | con->http.hostaddr->ipv4.sin_port = lis->address.ipv4.sin_port; | |
205 | ||
206 | /* | |
207 | * Check the number of clients on the same address... | |
208 | */ | |
209 | ||
bd7854cb | 210 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
211 | tempcon; | |
212 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
213 | if (httpAddrEqual(tempcon->http.hostaddr, con->http.hostaddr)) | |
ef416fc2 | 214 | { |
215 | count ++; | |
216 | if (count >= MaxClientsPerHost) | |
217 | break; | |
218 | } | |
219 | ||
220 | if (count >= MaxClientsPerHost) | |
221 | { | |
222 | if ((time(NULL) - last_dos) >= 60) | |
223 | { | |
224 | last_dos = time(NULL); | |
225 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 226 | "Possible DoS attack - more than %d clients connecting " |
227 | "from %s!", | |
749b1e90 MS |
228 | MaxClientsPerHost, |
229 | httpAddrString(con->http.hostaddr, con->http.hostname, | |
230 | sizeof(con->http.hostname))); | |
ef416fc2 | 231 | } |
232 | ||
233 | #ifdef WIN32 | |
234 | closesocket(con->http.fd); | |
235 | #else | |
236 | close(con->http.fd); | |
237 | #endif /* WIN32 */ | |
238 | ||
bd7854cb | 239 | free(con); |
ef416fc2 | 240 | return; |
241 | } | |
242 | ||
243 | /* | |
244 | * Get the hostname or format the IP address as needed... | |
245 | */ | |
246 | ||
247 | if (httpAddrLocalhost(con->http.hostaddr)) | |
248 | { | |
249 | /* | |
250 | * Map accesses from the loopback interface to "localhost"... | |
251 | */ | |
252 | ||
253 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
254 | hostname = con->http.hostname; | |
255 | } | |
256 | else | |
257 | { | |
258 | /* | |
259 | * Map accesses from the same host to the server name. | |
260 | */ | |
261 | ||
d1c13e16 | 262 | if (HostNameLookups) |
ef416fc2 | 263 | hostname = httpAddrLookup(con->http.hostaddr, con->http.hostname, |
264 | sizeof(con->http.hostname)); | |
265 | else | |
266 | { | |
267 | hostname = NULL; | |
268 | httpAddrString(con->http.hostaddr, con->http.hostname, | |
269 | sizeof(con->http.hostname)); | |
270 | } | |
271 | } | |
272 | ||
273 | if (hostname == NULL && HostNameLookups == 2) | |
274 | { | |
275 | /* | |
276 | * Can't have an unresolved IP address with double-lookups enabled... | |
277 | */ | |
278 | ||
ef416fc2 | 279 | #ifdef WIN32 |
280 | closesocket(con->http.fd); | |
281 | #else | |
282 | close(con->http.fd); | |
283 | #endif /* WIN32 */ | |
284 | ||
285 | cupsdLogMessage(CUPSD_LOG_WARN, | |
286 | "Name lookup failed - connection from %s closed!", | |
287 | con->http.hostname); | |
bd7854cb | 288 | |
289 | free(con); | |
ef416fc2 | 290 | return; |
291 | } | |
292 | ||
293 | if (HostNameLookups == 2) | |
294 | { | |
295 | /* | |
296 | * Do double lookups as needed... | |
297 | */ | |
298 | ||
749b1e90 MS |
299 | if ((addrlist = httpAddrGetList(con->http.hostname, AF_UNSPEC, NULL)) |
300 | != NULL) | |
ef416fc2 | 301 | { |
302 | /* | |
303 | * See if the hostname maps to the same IP address... | |
304 | */ | |
305 | ||
306 | for (addr = addrlist; addr; addr = addr->next) | |
307 | if (httpAddrEqual(con->http.hostaddr, &(addr->addr))) | |
308 | break; | |
309 | } | |
310 | else | |
311 | addr = NULL; | |
312 | ||
313 | httpAddrFreeList(addrlist); | |
314 | ||
315 | if (!addr) | |
316 | { | |
317 | /* | |
318 | * Can't have a hostname that doesn't resolve to the same IP address | |
319 | * with double-lookups enabled... | |
320 | */ | |
321 | ||
ef416fc2 | 322 | #ifdef WIN32 |
323 | closesocket(con->http.fd); | |
324 | #else | |
325 | close(con->http.fd); | |
326 | #endif /* WIN32 */ | |
327 | ||
328 | cupsdLogMessage(CUPSD_LOG_WARN, | |
329 | "IP lookup failed - connection from %s closed!", | |
330 | con->http.hostname); | |
bd7854cb | 331 | free(con); |
ef416fc2 | 332 | return; |
333 | } | |
334 | } | |
335 | ||
749b1e90 MS |
336 | #ifdef HAVE_TCPD_H |
337 | /* | |
338 | * See if the connection is denied by TCP wrappers... | |
339 | */ | |
340 | ||
341 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, con->http.fd, NULL); | |
342 | fromhost(&wrap_req); | |
343 | ||
344 | if (!hosts_access(&wrap_req)) | |
345 | { | |
749b1e90 MS |
346 | #ifdef WIN32 |
347 | closesocket(con->http.fd); | |
348 | #else | |
349 | close(con->http.fd); | |
350 | #endif /* WIN32 */ | |
351 | ||
352 | cupsdLogMessage(CUPSD_LOG_WARN, | |
353 | "Connection from %s refused by /etc/hosts.allow and " | |
354 | "/etc/hosts.deny rules.", con->http.hostname); | |
355 | free(con); | |
356 | return; | |
357 | } | |
358 | #endif /* HAVE_TCPD_H */ | |
359 | ||
ef416fc2 | 360 | #ifdef AF_INET6 |
361 | if (con->http.hostaddr->addr.sa_family == AF_INET6) | |
362 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv6)", | |
363 | con->http.fd, con->http.hostname, | |
364 | ntohs(con->http.hostaddr->ipv6.sin6_port)); | |
365 | else | |
366 | #endif /* AF_INET6 */ | |
367 | #ifdef AF_LOCAL | |
368 | if (con->http.hostaddr->addr.sa_family == AF_LOCAL) | |
369 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s (Domain)", | |
370 | con->http.fd, con->http.hostname); | |
371 | else | |
372 | #endif /* AF_LOCAL */ | |
373 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv4)", | |
374 | con->http.fd, con->http.hostname, | |
375 | ntohs(con->http.hostaddr->ipv4.sin_port)); | |
376 | ||
377 | /* | |
378 | * Get the local address the client connected to... | |
379 | */ | |
380 | ||
381 | addrlen = sizeof(temp); | |
382 | if (getsockname(con->http.fd, (struct sockaddr *)&temp, &addrlen)) | |
383 | { | |
384 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get local address - %s", | |
385 | strerror(errno)); | |
386 | ||
387 | strcpy(con->servername, "localhost"); | |
388 | con->serverport = LocalPort; | |
389 | } | |
390 | else | |
391 | { | |
392 | #ifdef AF_INET6 | |
393 | if (temp.addr.sa_family == AF_INET6) | |
394 | { | |
e07d4801 | 395 | if (httpAddrLocalhost(&temp)) |
0af14961 | 396 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
f11a948a | 397 | else if (HostNameLookups || RemotePort) |
e07d4801 | 398 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e MS |
399 | else |
400 | httpAddrString(&temp, con->servername, sizeof(con->servername)); | |
401 | ||
ef416fc2 | 402 | con->serverport = ntohs(lis->address.ipv6.sin6_port); |
403 | } | |
404 | else | |
405 | #endif /* AF_INET6 */ | |
406 | if (temp.addr.sa_family == AF_INET) | |
407 | { | |
e07d4801 | 408 | if (httpAddrLocalhost(&temp)) |
0af14961 | 409 | strlcpy(con->servername, "localhost", sizeof(con->servername)); |
f11a948a | 410 | else if (HostNameLookups || RemotePort) |
e07d4801 | 411 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); |
b19ccc9e MS |
412 | else |
413 | httpAddrString(&temp, con->servername, sizeof(con->servername)); | |
414 | ||
ef416fc2 | 415 | con->serverport = ntohs(lis->address.ipv4.sin_port); |
416 | } | |
417 | else | |
418 | { | |
419 | strcpy(con->servername, "localhost"); | |
420 | con->serverport = LocalPort; | |
421 | } | |
422 | } | |
423 | ||
bd7854cb | 424 | cupsArrayAdd(Clients, con); |
425 | ||
ef416fc2 | 426 | /* |
b9faaae1 MS |
427 | * Using TCP_NODELAY improves responsiveness, especially on systems with a slow |
428 | * loopback interface. Since we write large buffers when sending print files | |
429 | * and requests there shouldn't be any performance penalty for this... | |
ef416fc2 | 430 | */ |
431 | ||
432 | val = 1; | |
f7deaa1a | 433 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); |
ef416fc2 | 434 | |
435 | /* | |
436 | * Close this file on all execs... | |
437 | */ | |
438 | ||
439 | fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC); | |
440 | ||
441 | /* | |
b9faaae1 | 442 | * Add the socket to the server select. |
ef416fc2 | 443 | */ |
444 | ||
f7deaa1a | 445 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 446 | |
ef416fc2 | 447 | /* |
448 | * Temporarily suspend accept()'s until we lose a client... | |
449 | */ | |
450 | ||
bd7854cb | 451 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 452 | cupsdPauseListening(); |
453 | ||
454 | #ifdef HAVE_SSL | |
455 | /* | |
456 | * See if we are connecting on a secure port... | |
457 | */ | |
458 | ||
459 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) | |
460 | { | |
461 | /* | |
462 | * https connection; go secure... | |
463 | */ | |
464 | ||
465 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; | |
466 | ||
411affcf | 467 | if (!encrypt_client(con)) |
468 | cupsdCloseClient(con); | |
ef416fc2 | 469 | } |
470 | else | |
471 | con->auto_ssl = 1; | |
472 | #endif /* HAVE_SSL */ | |
473 | } | |
474 | ||
475 | ||
476 | /* | |
477 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
478 | */ | |
479 | ||
480 | void | |
481 | cupsdCloseAllClients(void) | |
482 | { | |
bd7854cb | 483 | cupsd_client_t *con; /* Current client */ |
484 | ||
485 | ||
b9faaae1 MS |
486 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", |
487 | cupsArrayCount(Clients)); | |
488 | ||
bd7854cb | 489 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); |
490 | con; | |
491 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
49d87452 MS |
492 | if (cupsdCloseClient(con)) |
493 | cupsdCloseClient(con); | |
ef416fc2 | 494 | } |
495 | ||
496 | ||
497 | /* | |
498 | * 'cupsdCloseClient()' - Close a remote client. | |
499 | */ | |
500 | ||
501 | int /* O - 1 if partial close, 0 if fully closed */ | |
502 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
503 | { | |
504 | int partial; /* Do partial close for SSL? */ | |
505 | #ifdef HAVE_LIBSSL | |
506 | SSL_CTX *context; /* Context for encryption */ | |
ef416fc2 | 507 | unsigned long error; /* Error code */ |
508 | #elif defined(HAVE_GNUTLS) | |
89d46774 | 509 | int error; /* Error code */ |
ef416fc2 | 510 | gnutls_certificate_server_credentials *credentials; |
511 | /* TLS credentials */ | |
89d46774 | 512 | # elif defined(HAVE_CDSASSL) |
ef416fc2 | 513 | #endif /* HAVE_LIBSSL */ |
514 | ||
515 | ||
f11a948a | 516 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdCloseClient: %d", con->http.fd); |
ef416fc2 | 517 | |
518 | /* | |
519 | * Flush pending writes before closing... | |
520 | */ | |
521 | ||
522 | httpFlushWrite(HTTP(con)); | |
523 | ||
524 | partial = 0; | |
525 | ||
526 | #ifdef HAVE_SSL | |
527 | /* | |
528 | * Shutdown encryption as needed... | |
529 | */ | |
530 | ||
531 | if (con->http.tls) | |
532 | { | |
533 | partial = 1; | |
534 | ||
535 | # ifdef HAVE_LIBSSL | |
7cf5915e | 536 | context = SSL_get_SSL_CTX(con->http.tls); |
ef416fc2 | 537 | |
7cf5915e | 538 | switch (SSL_shutdown(con->http.tls)) |
ef416fc2 | 539 | { |
540 | case 1 : | |
c934a06c MS |
541 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
542 | "SSL shutdown successful!"); | |
ef416fc2 | 543 | break; |
544 | case -1 : | |
545 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c934a06c | 546 | "Fatal error during SSL shutdown!"); |
ef416fc2 | 547 | default : |
548 | while ((error = ERR_get_error()) != 0) | |
c934a06c | 549 | cupsdLogMessage(CUPSD_LOG_ERROR, "SSL shutdown failed: %s", |
ef416fc2 | 550 | ERR_error_string(error, NULL)); |
551 | break; | |
552 | } | |
553 | ||
554 | SSL_CTX_free(context); | |
7cf5915e | 555 | SSL_free(con->http.tls); |
ef416fc2 | 556 | |
557 | # elif defined(HAVE_GNUTLS) | |
7cf5915e | 558 | credentials = (gnutls_certificate_server_credentials *)(con->http.tls_credentials); |
ef416fc2 | 559 | |
7cf5915e | 560 | error = gnutls_bye(con->http.tls, GNUTLS_SHUT_WR); |
ef416fc2 | 561 | switch (error) |
562 | { | |
563 | case GNUTLS_E_SUCCESS: | |
c934a06c MS |
564 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
565 | "SSL shutdown successful!"); | |
ef416fc2 | 566 | break; |
567 | default: | |
568 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c934a06c | 569 | "SSL shutdown failed: %s", gnutls_strerror(error)); |
ef416fc2 | 570 | break; |
571 | } | |
572 | ||
7cf5915e | 573 | gnutls_deinit(con->http.tls); |
ef416fc2 | 574 | gnutls_certificate_free_credentials(*credentials); |
575 | free(credentials); | |
ef416fc2 | 576 | |
577 | # elif defined(HAVE_CDSASSL) | |
7cf5915e | 578 | while (SSLClose(con->http.tls) == errSSLWouldBlock) |
b423cd4c | 579 | usleep(1000); |
580 | ||
7cf5915e | 581 | SSLDisposeContext(con->http.tls); |
89d46774 | 582 | |
7cf5915e MS |
583 | if (con->http.tls_credentials) |
584 | CFRelease(con->http.tls_credentials); | |
89d46774 | 585 | |
ef416fc2 | 586 | # endif /* HAVE_LIBSSL */ |
587 | ||
588 | con->http.tls = NULL; | |
589 | } | |
590 | #endif /* HAVE_SSL */ | |
591 | ||
592 | if (con->pipe_pid != 0) | |
593 | { | |
594 | /* | |
595 | * Stop any CGI process... | |
596 | */ | |
597 | ||
ef416fc2 | 598 | cupsdEndProcess(con->pipe_pid, 1); |
599 | con->pipe_pid = 0; | |
600 | } | |
601 | ||
602 | if (con->file >= 0) | |
603 | { | |
f7deaa1a | 604 | cupsdRemoveSelect(con->file); |
ef416fc2 | 605 | |
ef416fc2 | 606 | close(con->file); |
607 | con->file = -1; | |
608 | } | |
609 | ||
610 | /* | |
611 | * Close the socket and clear the file from the input set for select()... | |
612 | */ | |
613 | ||
3dfe78b3 | 614 | if (con->http.fd >= 0) |
ef416fc2 | 615 | { |
3dfe78b3 MS |
616 | cupsArrayRemove(ActiveClients, con); |
617 | cupsdSetBusyState(); | |
618 | ||
ef416fc2 | 619 | if (partial) |
620 | { | |
621 | /* | |
622 | * Only do a partial close so that the encrypted client gets everything. | |
623 | */ | |
624 | ||
ef416fc2 | 625 | shutdown(con->http.fd, 0); |
f7deaa1a | 626 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 627 | } |
628 | else | |
629 | { | |
630 | /* | |
631 | * Shut the socket down fully... | |
632 | */ | |
633 | ||
f7deaa1a | 634 | cupsdRemoveSelect(con->http.fd); |
ef416fc2 | 635 | close(con->http.fd); |
ef416fc2 | 636 | con->http.fd = -1; |
637 | } | |
638 | } | |
639 | ||
640 | if (!partial) | |
641 | { | |
642 | /* | |
643 | * Free memory... | |
644 | */ | |
645 | ||
646 | if (con->http.input_set) | |
647 | free(con->http.input_set); | |
648 | ||
649 | httpClearCookie(HTTP(con)); | |
9f5eb9be | 650 | httpClearFields(HTTP(con)); |
ef416fc2 | 651 | |
652 | cupsdClearString(&con->filename); | |
653 | cupsdClearString(&con->command); | |
654 | cupsdClearString(&con->options); | |
b86bc4cf | 655 | cupsdClearString(&con->query_string); |
ef416fc2 | 656 | |
657 | if (con->request) | |
658 | { | |
659 | ippDelete(con->request); | |
660 | con->request = NULL; | |
661 | } | |
662 | ||
663 | if (con->response) | |
664 | { | |
665 | ippDelete(con->response); | |
666 | con->response = NULL; | |
667 | } | |
668 | ||
669 | if (con->language) | |
670 | { | |
671 | cupsLangFree(con->language); | |
672 | con->language = NULL; | |
673 | } | |
674 | ||
f7deaa1a | 675 | #ifdef HAVE_AUTHORIZATION_H |
676 | if (con->authref) | |
677 | { | |
678 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
679 | con->authref = NULL; | |
680 | } | |
681 | #endif /* HAVE_AUTHORIZATION_H */ | |
682 | ||
ef416fc2 | 683 | /* |
684 | * Re-enable new client connections if we are going back under the | |
685 | * limit... | |
686 | */ | |
687 | ||
bd7854cb | 688 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 689 | cupsdResumeListening(); |
690 | ||
691 | /* | |
692 | * Compact the list of clients as necessary... | |
693 | */ | |
694 | ||
bd7854cb | 695 | cupsArrayRemove(Clients, con); |
ef416fc2 | 696 | |
bd7854cb | 697 | free(con); |
ef416fc2 | 698 | } |
699 | ||
700 | return (partial); | |
701 | } | |
702 | ||
703 | ||
d09495fa | 704 | /* |
705 | * 'cupsdFlushHeader()' - Flush the header fields to the client. | |
706 | */ | |
707 | ||
07725fee | 708 | int /* I - Bytes written or -1 on error */ |
d09495fa | 709 | cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */ |
710 | { | |
07725fee | 711 | int bytes = httpFlushWrite(HTTP(con)); |
d09495fa | 712 | |
713 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
07725fee | 714 | |
715 | return (bytes); | |
d09495fa | 716 | } |
717 | ||
718 | ||
ef416fc2 | 719 | /* |
720 | * 'cupsdReadClient()' - Read data from a client. | |
721 | */ | |
722 | ||
f7deaa1a | 723 | void |
ef416fc2 | 724 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
725 | { | |
726 | char line[32768], /* Line from client... */ | |
727 | operation[64], /* Operation code from socket */ | |
728 | version[64], /* HTTP version number string */ | |
729 | locale[64], /* Locale */ | |
730 | *ptr; /* Pointer into strings */ | |
731 | int major, minor; /* HTTP version numbers */ | |
732 | http_status_t status; /* Transfer status */ | |
733 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
734 | int bytes; /* Number of bytes to POST */ | |
735 | char *filename; /* Name of file for GET/HEAD */ | |
736 | char buf[1024]; /* Buffer for real filename */ | |
737 | struct stat filestats; /* File information */ | |
738 | mime_type_t *type; /* MIME type of file */ | |
739 | cupsd_printer_t *p; /* Printer */ | |
740 | static unsigned request_id = 0; /* Request ID for temp files */ | |
741 | ||
742 | ||
743 | status = HTTP_CONTINUE; | |
744 | ||
745 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
746 | "cupsdReadClient(con=%p(%d)) " |
747 | "con->http.error=%d " | |
748 | "con->http.used=%d, " | |
749 | "con->http.state=%d " | |
750 | "con->data_encoding=HTTP_ENCODE_%s, " | |
751 | "con->data_remaining=" CUPS_LLFMT ", " | |
752 | "con->file=%d", | |
753 | con, con->http.fd, con->http.error, con->http.used, | |
754 | con->http.state, | |
755 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? | |
756 | "CHUNKED" : "LENGTH", | |
757 | CUPS_LLCAST con->http.data_remaining, con->file); | |
ef416fc2 | 758 | |
ef416fc2 | 759 | #ifdef HAVE_SSL |
760 | if (con->auto_ssl) | |
761 | { | |
762 | /* | |
763 | * Automatically check for a SSL/TLS handshake... | |
764 | */ | |
765 | ||
766 | con->auto_ssl = 0; | |
767 | ||
768 | if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 && | |
769 | (!buf[0] || !strchr("DGHOPT", buf[0]))) | |
770 | { | |
771 | /* | |
772 | * Encrypt this connection... | |
773 | */ | |
774 | ||
775 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
776 | "cupsdReadClient: Saw first byte %02X, auto-negotiating " |
777 | "SSL/TLS session...", buf[0] & 255); | |
ef416fc2 | 778 | |
411affcf | 779 | if (!encrypt_client(con)) |
f7deaa1a | 780 | cupsdCloseClient(con); |
411affcf | 781 | |
f7deaa1a | 782 | return; |
ef416fc2 | 783 | } |
784 | } | |
785 | #endif /* HAVE_SSL */ | |
786 | ||
787 | switch (con->http.state) | |
788 | { | |
789 | case HTTP_WAITING : | |
790 | /* | |
791 | * See if we've received a request line... | |
792 | */ | |
793 | ||
794 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
795 | { | |
f11a948a MS |
796 | if (con->http.error && con->http.error != EPIPE) |
797 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
798 | "cupsdReadClient: %d WAITING Closing for error %d " | |
799 | "(%s)", con->http.fd, con->http.error, | |
800 | strerror(con->http.error)); | |
801 | else | |
802 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
803 | "cupsdReadClient: %d WAITING Closing on EOF", | |
804 | con->http.fd); | |
805 | ||
f7deaa1a | 806 | cupsdCloseClient(con); |
807 | return; | |
ef416fc2 | 808 | } |
809 | ||
810 | /* | |
811 | * Ignore blank request lines... | |
812 | */ | |
813 | ||
814 | if (line[0] == '\0') | |
815 | break; | |
816 | ||
817 | /* | |
818 | * Clear other state variables... | |
819 | */ | |
820 | ||
821 | httpClearFields(HTTP(con)); | |
822 | ||
823 | con->http.activity = time(NULL); | |
824 | con->http.version = HTTP_1_0; | |
825 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
826 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
827 | con->http.data_remaining = 0; | |
828 | con->http._data_remaining = 0; | |
829 | con->operation = HTTP_WAITING; | |
830 | con->bytes = 0; | |
831 | con->file = -1; | |
832 | con->file_ready = 0; | |
833 | con->pipe_pid = 0; | |
834 | con->username[0] = '\0'; | |
835 | con->password[0] = '\0'; | |
836 | con->uri[0] = '\0'; | |
837 | ||
838 | cupsdClearString(&con->command); | |
839 | cupsdClearString(&con->options); | |
b86bc4cf | 840 | cupsdClearString(&con->query_string); |
ef416fc2 | 841 | |
2abf387c | 842 | if (con->request) |
843 | { | |
844 | ippDelete(con->request); | |
845 | con->request = NULL; | |
846 | } | |
847 | ||
848 | if (con->response) | |
849 | { | |
850 | ippDelete(con->response); | |
851 | con->response = NULL; | |
852 | } | |
853 | ||
854 | if (con->language) | |
ef416fc2 | 855 | { |
856 | cupsLangFree(con->language); | |
857 | con->language = NULL; | |
858 | } | |
859 | ||
09a101d6 | 860 | #ifdef HAVE_GSSAPI |
97c9a8d7 MS |
861 | con->have_gss = 0; |
862 | ||
863 | if (con->gss_creds) | |
e07d4801 MS |
864 | { |
865 | OM_uint32 minor_status; | |
866 | gss_release_cred(&minor_status, &con->gss_creds); | |
867 | } | |
09a101d6 | 868 | #endif /* HAVE_GSSAPI */ |
869 | ||
ef416fc2 | 870 | /* |
871 | * Grab the request line... | |
872 | */ | |
873 | ||
874 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) | |
875 | { | |
876 | case 1 : | |
c934a06c MS |
877 | if (line[0]) |
878 | { | |
879 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c8fef167 MS |
880 | "Bad request line \"%s\" from %s!", |
881 | _httpEncodeURI(buf, line, sizeof(buf)), | |
c934a06c MS |
882 | con->http.hostname); |
883 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); | |
884 | cupsdCloseClient(con); | |
885 | } | |
f7deaa1a | 886 | return; |
ef416fc2 | 887 | case 2 : |
888 | con->http.version = HTTP_0_9; | |
889 | break; | |
890 | case 3 : | |
891 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
892 | { | |
893 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c8fef167 MS |
894 | "Bad request line \"%s\" from %s!", |
895 | _httpEncodeURI(buf, line, sizeof(buf)), | |
ef416fc2 | 896 | con->http.hostname); |
5bd77a73 | 897 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 898 | cupsdCloseClient(con); |
899 | return; | |
ef416fc2 | 900 | } |
901 | ||
902 | if (major < 2) | |
903 | { | |
904 | con->http.version = (http_version_t)(major * 100 + minor); | |
905 | if (con->http.version == HTTP_1_1 && KeepAlive) | |
906 | con->http.keep_alive = HTTP_KEEPALIVE_ON; | |
907 | else | |
908 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
909 | } | |
910 | else | |
911 | { | |
f11a948a MS |
912 | cupsdLogMessage(CUPSD_LOG_ERROR, |
913 | "Unsupported request line \"%s\" from %s!", | |
c8fef167 MS |
914 | _httpEncodeURI(buf, line, sizeof(buf)), |
915 | con->http.hostname); | |
5bd77a73 | 916 | cupsdSendError(con, HTTP_NOT_SUPPORTED, CUPSD_AUTH_NONE); |
f7deaa1a | 917 | cupsdCloseClient(con); |
918 | return; | |
ef416fc2 | 919 | } |
920 | break; | |
921 | } | |
922 | ||
923 | /* | |
924 | * Handle full URLs in the request line... | |
925 | */ | |
926 | ||
927 | if (strcmp(con->uri, "*")) | |
928 | { | |
e6013cfa | 929 | char scheme[HTTP_MAX_URI], /* Method/scheme */ |
ef416fc2 | 930 | userpass[HTTP_MAX_URI], /* Username:password */ |
931 | hostname[HTTP_MAX_URI], /* Hostname */ | |
932 | resource[HTTP_MAX_URI]; /* Resource path */ | |
933 | int port; /* Port number */ | |
934 | ||
935 | ||
936 | /* | |
937 | * Separate the URI into its components... | |
938 | */ | |
939 | ||
a4d04587 | 940 | httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
e6013cfa | 941 | scheme, sizeof(scheme), |
ef416fc2 | 942 | userpass, sizeof(userpass), |
943 | hostname, sizeof(hostname), &port, | |
944 | resource, sizeof(resource)); | |
945 | ||
946 | /* | |
947 | * Only allow URIs with the servername, localhost, or an IP | |
948 | * address... | |
949 | */ | |
950 | ||
e6013cfa | 951 | if (strcmp(scheme, "file") && |
ef416fc2 | 952 | strcasecmp(hostname, ServerName) && |
953 | strcasecmp(hostname, "localhost") && | |
e6013cfa | 954 | !isdigit(hostname[0]) && hostname[0] != '[') |
ef416fc2 | 955 | { |
956 | /* | |
957 | * Nope, we don't do proxies... | |
958 | */ | |
959 | ||
960 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!", | |
961 | con->uri); | |
5bd77a73 | 962 | cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 963 | cupsdCloseClient(con); |
964 | return; | |
ef416fc2 | 965 | } |
966 | ||
967 | /* | |
968 | * Copy the resource portion back into the URI; both resource and | |
969 | * con->uri are HTTP_MAX_URI bytes in size... | |
970 | */ | |
971 | ||
972 | strcpy(con->uri, resource); | |
973 | } | |
974 | ||
975 | /* | |
976 | * Process the request... | |
977 | */ | |
978 | ||
979 | if (!strcmp(operation, "GET")) | |
980 | con->http.state = HTTP_GET; | |
981 | else if (!strcmp(operation, "PUT")) | |
982 | con->http.state = HTTP_PUT; | |
983 | else if (!strcmp(operation, "POST")) | |
984 | con->http.state = HTTP_POST; | |
985 | else if (!strcmp(operation, "DELETE")) | |
986 | con->http.state = HTTP_DELETE; | |
987 | else if (!strcmp(operation, "TRACE")) | |
988 | con->http.state = HTTP_TRACE; | |
989 | else if (!strcmp(operation, "OPTIONS")) | |
990 | con->http.state = HTTP_OPTIONS; | |
991 | else if (!strcmp(operation, "HEAD")) | |
992 | con->http.state = HTTP_HEAD; | |
993 | else | |
994 | { | |
995 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation); | |
5bd77a73 | 996 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 997 | cupsdCloseClient(con); |
998 | return; | |
ef416fc2 | 999 | } |
1000 | ||
dfd5680b | 1001 | gettimeofday(&(con->start), NULL); |
ef416fc2 | 1002 | con->operation = con->http.state; |
1003 | ||
89d46774 | 1004 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d", |
1005 | con->http.fd, operation, con->uri, | |
ef416fc2 | 1006 | con->http.version / 100, con->http.version % 100); |
1007 | ||
1008 | con->http.status = HTTP_OK; | |
1009 | ||
49d87452 MS |
1010 | if (!cupsArrayFind(ActiveClients, con)) |
1011 | { | |
1012 | cupsArrayAdd(ActiveClients, con); | |
1013 | cupsdSetBusyState(); | |
1014 | } | |
3dfe78b3 | 1015 | |
ef416fc2 | 1016 | case HTTP_OPTIONS : |
1017 | case HTTP_DELETE : | |
1018 | case HTTP_GET : | |
1019 | case HTTP_HEAD : | |
1020 | case HTTP_POST : | |
1021 | case HTTP_PUT : | |
1022 | case HTTP_TRACE : | |
1023 | /* | |
1024 | * Parse incoming parameters until the status changes... | |
1025 | */ | |
1026 | ||
f7deaa1a | 1027 | while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE) |
ee571f26 | 1028 | if (!data_ready(con)) |
f7deaa1a | 1029 | break; |
ef416fc2 | 1030 | |
1031 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
1032 | { | |
f11a948a MS |
1033 | if (con->http.error && con->http.error != EPIPE) |
1034 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1035 | "cupsdReadClient: %d FIELDS Closing for error %d " | |
1036 | "(%s)", con->http.fd, con->http.error, | |
1037 | strerror(con->http.error)); | |
1038 | else | |
1039 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
1040 | "cupsdReadClient: %d FIELDS Closing on EOF", | |
1041 | con->http.fd); | |
1042 | ||
5bd77a73 | 1043 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1044 | cupsdCloseClient(con); |
1045 | return; | |
ef416fc2 | 1046 | } |
1047 | break; | |
1048 | ||
1049 | default : | |
e6013cfa MS |
1050 | if (!data_ready(con) && recv(con->http.fd, buf, 1, MSG_PEEK) < 1) |
1051 | { | |
1052 | /* | |
1053 | * Connection closed... | |
1054 | */ | |
1055 | ||
f11a948a MS |
1056 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
1057 | "cupsdReadClient: %d Closing on EOF", con->http.fd); | |
e6013cfa MS |
1058 | cupsdCloseClient(con); |
1059 | return; | |
1060 | } | |
ef416fc2 | 1061 | break; /* Anti-compiler-warning-code */ |
1062 | } | |
1063 | ||
1064 | /* | |
1065 | * Handle new transfers... | |
1066 | */ | |
1067 | ||
1068 | if (status == HTTP_OK) | |
1069 | { | |
1070 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) | |
1071 | { | |
1072 | /* | |
1073 | * Figure out the locale from the Accept-Language and Content-Type | |
1074 | * fields... | |
1075 | */ | |
1076 | ||
f11a948a MS |
1077 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], |
1078 | ',')) != NULL) | |
ef416fc2 | 1079 | *ptr = '\0'; |
1080 | ||
f11a948a MS |
1081 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], |
1082 | ';')) != NULL) | |
ef416fc2 | 1083 | *ptr = '\0'; |
1084 | ||
f11a948a MS |
1085 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], |
1086 | "charset=")) != NULL) | |
ef416fc2 | 1087 | { |
1088 | /* | |
1089 | * Combine language and charset, and trim any extra params in the | |
1090 | * content-type. | |
1091 | */ | |
1092 | ||
1093 | snprintf(locale, sizeof(locale), "%s.%s", | |
1094 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8); | |
1095 | ||
1096 | if ((ptr = strchr(locale, ',')) != NULL) | |
1097 | *ptr = '\0'; | |
1098 | } | |
1099 | else | |
f8b3a85b MS |
1100 | snprintf(locale, sizeof(locale), "%s.UTF-8", |
1101 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE]); | |
d6ae789d | 1102 | |
ef416fc2 | 1103 | con->language = cupsLangGet(locale); |
1104 | } | |
1105 | else | |
1106 | con->language = cupsLangGet(DefaultLocale); | |
1107 | ||
1108 | cupsdAuthorize(con); | |
1109 | ||
f11a948a MS |
1110 | if (!strncasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", |
1111 | 10) && KeepAlive) | |
ef416fc2 | 1112 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
52f6f666 MS |
1113 | else if (!strncasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "close", 5)) |
1114 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
ef416fc2 | 1115 | |
1116 | if (!con->http.fields[HTTP_FIELD_HOST][0] && | |
1117 | con->http.version >= HTTP_1_1) | |
1118 | { | |
1119 | /* | |
1120 | * HTTP/1.1 and higher require the "Host:" field... | |
1121 | */ | |
1122 | ||
5bd77a73 | 1123 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1124 | { |
f11a948a | 1125 | cupsdLogMessage(CUPSD_LOG_ERROR, "Missing Host: field in request!"); |
f7deaa1a | 1126 | cupsdCloseClient(con); |
1127 | return; | |
1128 | } | |
ef416fc2 | 1129 | } |
e07d4801 | 1130 | else if (!valid_host(con)) |
e6013cfa MS |
1131 | { |
1132 | /* | |
1133 | * Access to localhost must use "localhost" or the corresponding IPv4 | |
1134 | * or IPv6 values in the Host: field. | |
1135 | */ | |
1136 | ||
f11a948a | 1137 | cupsdLogMessage(CUPSD_LOG_ERROR, |
e6013cfa MS |
1138 | "Request from \"%s\" using invalid Host: field \"%s\"", |
1139 | con->http.hostname, con->http.fields[HTTP_FIELD_HOST]); | |
1140 | ||
1141 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) | |
1142 | { | |
1143 | cupsdCloseClient(con); | |
1144 | return; | |
1145 | } | |
1146 | } | |
ef416fc2 | 1147 | else if (con->operation == HTTP_OPTIONS) |
1148 | { | |
1149 | /* | |
1150 | * Do OPTIONS command... | |
1151 | */ | |
1152 | ||
5bd77a73 | 1153 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 1154 | { |
5bd77a73 | 1155 | if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1156 | { |
1157 | cupsdCloseClient(con); | |
1158 | return; | |
1159 | } | |
ef416fc2 | 1160 | } |
1161 | ||
1162 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1163 | con->http.tls == NULL) | |
1164 | { | |
1165 | #ifdef HAVE_SSL | |
1166 | /* | |
1167 | * Do encryption stuff... | |
1168 | */ | |
1169 | ||
5bd77a73 | 1170 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1171 | { |
1172 | cupsdCloseClient(con); | |
1173 | return; | |
1174 | } | |
ef416fc2 | 1175 | |
1176 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1177 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1178 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1179 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1180 | |
1181 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1182 | { |
1183 | cupsdCloseClient(con); | |
1184 | return; | |
1185 | } | |
ef416fc2 | 1186 | |
411affcf | 1187 | if (!encrypt_client(con)) |
f7deaa1a | 1188 | { |
1189 | cupsdCloseClient(con); | |
1190 | return; | |
1191 | } | |
ef416fc2 | 1192 | #else |
5bd77a73 | 1193 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1194 | { |
1195 | cupsdCloseClient(con); | |
1196 | return; | |
1197 | } | |
ef416fc2 | 1198 | #endif /* HAVE_SSL */ |
1199 | } | |
1200 | ||
5bd77a73 | 1201 | if (!cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1202 | { |
1203 | cupsdCloseClient(con); | |
1204 | return; | |
1205 | } | |
ef416fc2 | 1206 | |
1207 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); | |
1208 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1209 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1210 | |
1211 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1212 | { |
1213 | cupsdCloseClient(con); | |
1214 | return; | |
1215 | } | |
ef416fc2 | 1216 | } |
1217 | else if (!is_path_absolute(con->uri)) | |
1218 | { | |
1219 | /* | |
1220 | * Protect against malicious users! | |
1221 | */ | |
1222 | ||
bf3816c7 MS |
1223 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1224 | "Request for non-absolute resource \"%s\"!", con->uri); | |
1225 | ||
5bd77a73 | 1226 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1227 | { |
1228 | cupsdCloseClient(con); | |
1229 | return; | |
1230 | } | |
ef416fc2 | 1231 | } |
1232 | else | |
1233 | { | |
1234 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1235 | con->http.tls == NULL) | |
1236 | { | |
1237 | #ifdef HAVE_SSL | |
1238 | /* | |
1239 | * Do encryption stuff... | |
1240 | */ | |
1241 | ||
5bd77a73 | 1242 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1243 | { |
1244 | cupsdCloseClient(con); | |
1245 | return; | |
1246 | } | |
ef416fc2 | 1247 | |
1248 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1249 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1250 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1251 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1252 | |
1253 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1254 | { |
1255 | cupsdCloseClient(con); | |
1256 | return; | |
1257 | } | |
ef416fc2 | 1258 | |
411affcf | 1259 | if (!encrypt_client(con)) |
f7deaa1a | 1260 | { |
1261 | cupsdCloseClient(con); | |
1262 | return; | |
1263 | } | |
ef416fc2 | 1264 | #else |
5bd77a73 | 1265 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1266 | { |
1267 | cupsdCloseClient(con); | |
1268 | return; | |
1269 | } | |
ef416fc2 | 1270 | #endif /* HAVE_SSL */ |
1271 | } | |
1272 | ||
1273 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK) | |
1274 | { | |
5bd77a73 | 1275 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1276 | cupsdCloseClient(con); |
1277 | return; | |
ef416fc2 | 1278 | } |
1279 | ||
b423cd4c | 1280 | if (con->http.expect && |
1281 | (con->operation == HTTP_POST || con->operation == HTTP_PUT)) | |
ef416fc2 | 1282 | { |
b423cd4c | 1283 | if (con->http.expect == HTTP_CONTINUE) |
1284 | { | |
1285 | /* | |
1286 | * Send 100-continue header... | |
1287 | */ | |
1288 | ||
5bd77a73 | 1289 | if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1290 | { |
1291 | cupsdCloseClient(con); | |
1292 | return; | |
1293 | } | |
b423cd4c | 1294 | } |
1295 | else | |
1296 | { | |
1297 | /* | |
1298 | * Send 417-expectation-failed header... | |
1299 | */ | |
1300 | ||
f11a948a MS |
1301 | if (!cupsdSendHeader(con, HTTP_EXPECTATION_FAILED, NULL, |
1302 | CUPSD_AUTH_NONE)) | |
f7deaa1a | 1303 | { |
1304 | cupsdCloseClient(con); | |
1305 | return; | |
1306 | } | |
b423cd4c | 1307 | |
1308 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1309 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1310 | |
1311 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1312 | { |
1313 | cupsdCloseClient(con); | |
1314 | return; | |
1315 | } | |
b423cd4c | 1316 | } |
ef416fc2 | 1317 | } |
1318 | ||
1319 | switch (con->http.state) | |
1320 | { | |
1321 | case HTTP_GET_SEND : | |
1322 | if (!strncmp(con->uri, "/printers/", 10) && | |
1323 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1324 | { | |
1325 | /* | |
1326 | * Send PPD file - get the real printer name since printer | |
1327 | * names are not case sensitive but filenames can be... | |
1328 | */ | |
1329 | ||
1330 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1331 | ||
1332 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1333 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1334 | else | |
1335 | { | |
5bd77a73 | 1336 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1337 | { |
1338 | cupsdCloseClient(con); | |
1339 | return; | |
1340 | } | |
ef416fc2 | 1341 | |
1342 | break; | |
1343 | } | |
1344 | } | |
7cf5915e MS |
1345 | else if ((!strncmp(con->uri, "/printers/", 10) || |
1346 | !strncmp(con->uri, "/classes/", 9)) && | |
1347 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1348 | { | |
1349 | /* | |
1350 | * Send icon file - get the real queue name since queue names are | |
1351 | * not case sensitive but filenames can be... | |
1352 | */ | |
1353 | ||
1354 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */ | |
1355 | ||
1356 | if (!strncmp(con->uri, "/printers/", 10)) | |
1357 | p = cupsdFindPrinter(con->uri + 10); | |
1358 | else | |
1359 | p = cupsdFindClass(con->uri + 9); | |
1360 | ||
1361 | if (p) | |
1362 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1363 | else | |
1364 | { | |
1365 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) | |
1366 | { | |
1367 | cupsdCloseClient(con); | |
1368 | return; | |
1369 | } | |
1370 | ||
1371 | break; | |
1372 | } | |
1373 | } | |
0268488e | 1374 | else if (!WebInterface) |
229681c1 MS |
1375 | { |
1376 | /* | |
1377 | * Web interface is disabled. Show an appropriate message... | |
1378 | */ | |
1379 | ||
1380 | if (!cupsdSendError(con, HTTP_WEBIF_DISABLED, CUPSD_AUTH_NONE)) | |
1381 | { | |
1382 | cupsdCloseClient(con); | |
1383 | return; | |
1384 | } | |
1385 | ||
1386 | break; | |
1387 | } | |
0268488e MS |
1388 | |
1389 | if ((!strncmp(con->uri, "/admin", 6) && | |
1390 | strncmp(con->uri, "/admin/conf/", 12) && | |
1391 | strncmp(con->uri, "/admin/log/", 11)) || | |
1392 | !strncmp(con->uri, "/printers", 9) || | |
1393 | !strncmp(con->uri, "/classes", 8) || | |
1394 | !strncmp(con->uri, "/help", 5) || | |
1395 | !strncmp(con->uri, "/jobs", 5)) | |
ef416fc2 | 1396 | { |
1397 | /* | |
1398 | * Send CGI output... | |
1399 | */ | |
1400 | ||
1401 | if (!strncmp(con->uri, "/admin", 6)) | |
1402 | { | |
1403 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1404 | ServerBin); | |
1405 | ||
b423cd4c | 1406 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1407 | } |
1408 | else if (!strncmp(con->uri, "/printers", 9)) | |
1409 | { | |
1410 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1411 | ServerBin); | |
b423cd4c | 1412 | |
1413 | if (con->uri[9] && con->uri[10]) | |
1414 | cupsdSetString(&con->options, con->uri + 9); | |
1415 | else | |
1416 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1417 | } |
1418 | else if (!strncmp(con->uri, "/classes", 8)) | |
1419 | { | |
1420 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1421 | ServerBin); | |
b423cd4c | 1422 | |
1423 | if (con->uri[8] && con->uri[9]) | |
1424 | cupsdSetString(&con->options, con->uri + 8); | |
1425 | else | |
1426 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1427 | } |
1428 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1429 | { | |
1430 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1431 | ServerBin); | |
b423cd4c | 1432 | |
1433 | if (con->uri[5] && con->uri[6]) | |
1434 | cupsdSetString(&con->options, con->uri + 5); | |
1435 | else | |
1436 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1437 | } |
1438 | else | |
1439 | { | |
1440 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1441 | ServerBin); | |
ef416fc2 | 1442 | |
b423cd4c | 1443 | if (con->uri[5] && con->uri[6]) |
1444 | cupsdSetString(&con->options, con->uri + 5); | |
1445 | else | |
1446 | cupsdSetString(&con->options, NULL); | |
1447 | } | |
ef416fc2 | 1448 | |
1449 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1450 | { | |
5bd77a73 | 1451 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1452 | { |
1453 | cupsdCloseClient(con); | |
1454 | return; | |
1455 | } | |
ef416fc2 | 1456 | } |
1457 | else | |
1458 | cupsdLogRequest(con, HTTP_OK); | |
1459 | ||
1460 | if (con->http.version <= HTTP_1_0) | |
1461 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1462 | } | |
1463 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1464 | (strchr(con->uri + 12, '/') || | |
1465 | strlen(con->uri) == 12)) || | |
1466 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1467 | (strchr(con->uri + 11, '/') || | |
1468 | strlen(con->uri) == 11))) | |
1469 | { | |
1470 | /* | |
bf3816c7 | 1471 | * GET can only be done to configuration files directly under |
ef416fc2 | 1472 | * /admin/conf... |
1473 | */ | |
1474 | ||
bf3816c7 MS |
1475 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1476 | "Request for subdirectory \"%s\"!", con->uri); | |
1477 | ||
5bd77a73 | 1478 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1479 | { |
1480 | cupsdCloseClient(con); | |
1481 | return; | |
1482 | } | |
ef416fc2 | 1483 | |
1484 | break; | |
1485 | } | |
1486 | else | |
1487 | { | |
1488 | /* | |
1489 | * Serve a file... | |
1490 | */ | |
1491 | ||
1492 | if ((filename = get_file(con, &filestats, buf, | |
1493 | sizeof(buf))) == NULL) | |
1494 | { | |
5bd77a73 | 1495 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1496 | { |
1497 | cupsdCloseClient(con); | |
1498 | return; | |
1499 | } | |
ef416fc2 | 1500 | |
1501 | break; | |
1502 | } | |
1503 | ||
4400e98d | 1504 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1505 | |
e1d6a774 | 1506 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1507 | { |
1508 | /* | |
1509 | * Note: con->command and con->options were set by | |
e1d6a774 | 1510 | * is_cgi()... |
ef416fc2 | 1511 | */ |
1512 | ||
1513 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1514 | { | |
5bd77a73 | 1515 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1516 | { |
1517 | cupsdCloseClient(con); | |
1518 | return; | |
1519 | } | |
ef416fc2 | 1520 | } |
1521 | else | |
1522 | cupsdLogRequest(con, HTTP_OK); | |
1523 | ||
1524 | if (con->http.version <= HTTP_1_0) | |
1525 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1526 | break; | |
1527 | } | |
1528 | ||
1529 | if (!check_if_modified(con, &filestats)) | |
1530 | { | |
5bd77a73 | 1531 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1532 | { |
1533 | cupsdCloseClient(con); | |
1534 | return; | |
1535 | } | |
ef416fc2 | 1536 | } |
1537 | else | |
1538 | { | |
1539 | if (type == NULL) | |
1540 | strcpy(line, "text/plain"); | |
1541 | else | |
1542 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1543 | ||
a74454a7 | 1544 | if (!write_file(con, HTTP_OK, filename, line, &filestats)) |
f7deaa1a | 1545 | { |
1546 | cupsdCloseClient(con); | |
1547 | return; | |
1548 | } | |
ef416fc2 | 1549 | } |
1550 | } | |
1551 | break; | |
1552 | ||
1553 | case HTTP_POST_RECV : | |
1554 | /* | |
1555 | * See if the POST request includes a Content-Length field, and if | |
1556 | * so check the length against any limits that are set... | |
1557 | */ | |
1558 | ||
ef416fc2 | 1559 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && |
1560 | MaxRequestSize > 0 && | |
1561 | con->http.data_remaining > MaxRequestSize) | |
1562 | { | |
1563 | /* | |
1564 | * Request too large... | |
1565 | */ | |
1566 | ||
5bd77a73 | 1567 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1568 | { |
1569 | cupsdCloseClient(con); | |
1570 | return; | |
1571 | } | |
ef416fc2 | 1572 | |
1573 | break; | |
1574 | } | |
839a51c8 MS |
1575 | else if (con->http.data_remaining < 0 || |
1576 | (!con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1577 | con->http.data_encoding == HTTP_ENCODE_LENGTH)) | |
ef416fc2 | 1578 | { |
1579 | /* | |
1580 | * Negative content lengths are invalid! | |
1581 | */ | |
1582 | ||
5bd77a73 | 1583 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1584 | { |
1585 | cupsdCloseClient(con); | |
1586 | return; | |
1587 | } | |
ef416fc2 | 1588 | |
1589 | break; | |
1590 | } | |
1591 | ||
1592 | /* | |
1593 | * See what kind of POST request this is; for IPP requests the | |
1594 | * content-type field will be "application/ipp"... | |
1595 | */ | |
1596 | ||
1597 | if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], | |
1598 | "application/ipp")) | |
1599 | con->request = ippNew(); | |
229681c1 MS |
1600 | else if (!WebInterface) |
1601 | { | |
1602 | /* | |
1603 | * Web interface is disabled. Show an appropriate message... | |
1604 | */ | |
1605 | ||
1606 | if (!cupsdSendError(con, HTTP_WEBIF_DISABLED, CUPSD_AUTH_NONE)) | |
1607 | { | |
1608 | cupsdCloseClient(con); | |
1609 | return; | |
1610 | } | |
1611 | ||
1612 | break; | |
1613 | } | |
ef416fc2 | 1614 | else if ((!strncmp(con->uri, "/admin", 6) && |
1615 | strncmp(con->uri, "/admin/conf/", 12) && | |
1616 | strncmp(con->uri, "/admin/log/", 11)) || | |
1617 | !strncmp(con->uri, "/printers", 9) || | |
1618 | !strncmp(con->uri, "/classes", 8) || | |
1619 | !strncmp(con->uri, "/help", 5) || | |
1620 | !strncmp(con->uri, "/jobs", 5)) | |
1621 | { | |
1622 | /* | |
1623 | * CGI request... | |
1624 | */ | |
1625 | ||
1626 | if (!strncmp(con->uri, "/admin", 6)) | |
1627 | { | |
1628 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1629 | ServerBin); | |
1630 | ||
b423cd4c | 1631 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1632 | } |
1633 | else if (!strncmp(con->uri, "/printers", 9)) | |
1634 | { | |
1635 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1636 | ServerBin); | |
b423cd4c | 1637 | |
1638 | if (con->uri[9] && con->uri[10]) | |
1639 | cupsdSetString(&con->options, con->uri + 9); | |
1640 | else | |
1641 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1642 | } |
1643 | else if (!strncmp(con->uri, "/classes", 8)) | |
1644 | { | |
1645 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1646 | ServerBin); | |
b423cd4c | 1647 | |
1648 | if (con->uri[8] && con->uri[9]) | |
1649 | cupsdSetString(&con->options, con->uri + 8); | |
1650 | else | |
1651 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1652 | } |
1653 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1654 | { | |
1655 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1656 | ServerBin); | |
b423cd4c | 1657 | |
1658 | if (con->uri[5] && con->uri[6]) | |
1659 | cupsdSetString(&con->options, con->uri + 5); | |
1660 | else | |
1661 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1662 | } |
1663 | else | |
1664 | { | |
1665 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1666 | ServerBin); | |
ef416fc2 | 1667 | |
b423cd4c | 1668 | if (con->uri[5] && con->uri[6]) |
1669 | cupsdSetString(&con->options, con->uri + 5); | |
1670 | else | |
1671 | cupsdSetString(&con->options, NULL); | |
1672 | } | |
ef416fc2 | 1673 | |
ef416fc2 | 1674 | if (con->http.version <= HTTP_1_0) |
1675 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1676 | } | |
1677 | else | |
1678 | { | |
1679 | /* | |
1680 | * POST to a file... | |
1681 | */ | |
1682 | ||
1683 | if ((filename = get_file(con, &filestats, buf, | |
1684 | sizeof(buf))) == NULL) | |
1685 | { | |
5bd77a73 | 1686 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1687 | { |
1688 | cupsdCloseClient(con); | |
1689 | return; | |
1690 | } | |
ef416fc2 | 1691 | |
1692 | break; | |
1693 | } | |
1694 | ||
4400e98d | 1695 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1696 | |
e1d6a774 | 1697 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1698 | { |
1699 | /* | |
1700 | * Only POST to CGI's... | |
1701 | */ | |
1702 | ||
5bd77a73 | 1703 | if (!cupsdSendError(con, HTTP_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1704 | { |
1705 | cupsdCloseClient(con); | |
1706 | return; | |
1707 | } | |
ef416fc2 | 1708 | } |
1709 | } | |
1710 | break; | |
1711 | ||
1712 | case HTTP_PUT_RECV : | |
1713 | /* | |
1714 | * Validate the resource name... | |
1715 | */ | |
1716 | ||
1717 | if (strncmp(con->uri, "/admin/conf/", 12) || | |
1718 | strchr(con->uri + 12, '/') || | |
1719 | strlen(con->uri) == 12) | |
1720 | { | |
1721 | /* | |
1722 | * PUT can only be done to configuration files under | |
1723 | * /admin/conf... | |
1724 | */ | |
1725 | ||
bf3816c7 MS |
1726 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1727 | "Request for subdirectory \"%s\"!", con->uri); | |
1728 | ||
5bd77a73 | 1729 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1730 | { |
1731 | cupsdCloseClient(con); | |
1732 | return; | |
1733 | } | |
ef416fc2 | 1734 | |
1735 | break; | |
1736 | } | |
1737 | ||
1738 | /* | |
1739 | * See if the PUT request includes a Content-Length field, and if | |
1740 | * so check the length against any limits that are set... | |
1741 | */ | |
1742 | ||
ef416fc2 | 1743 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && |
1744 | MaxRequestSize > 0 && | |
1745 | con->http.data_remaining > MaxRequestSize) | |
1746 | { | |
1747 | /* | |
1748 | * Request too large... | |
1749 | */ | |
1750 | ||
5bd77a73 | 1751 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1752 | { |
1753 | cupsdCloseClient(con); | |
1754 | return; | |
1755 | } | |
ef416fc2 | 1756 | |
1757 | break; | |
1758 | } | |
1759 | else if (con->http.data_remaining < 0) | |
1760 | { | |
1761 | /* | |
1762 | * Negative content lengths are invalid! | |
1763 | */ | |
1764 | ||
5bd77a73 | 1765 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1766 | { |
1767 | cupsdCloseClient(con); | |
1768 | return; | |
1769 | } | |
ef416fc2 | 1770 | |
1771 | break; | |
1772 | } | |
1773 | ||
1774 | /* | |
1775 | * Open a temporary file to hold the request... | |
1776 | */ | |
1777 | ||
1778 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1779 | request_id ++); | |
1780 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1781 | ||
ef416fc2 | 1782 | if (con->file < 0) |
1783 | { | |
a4924f6c MS |
1784 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1785 | "Unable to create request file %s: %s", | |
1786 | con->filename, strerror(errno)); | |
1787 | ||
5bd77a73 | 1788 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1789 | { |
1790 | cupsdCloseClient(con); | |
1791 | return; | |
1792 | } | |
ef416fc2 | 1793 | } |
1794 | ||
1795 | fchmod(con->file, 0640); | |
1796 | fchown(con->file, RunUser, Group); | |
1797 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1798 | break; | |
1799 | ||
1800 | case HTTP_DELETE : | |
1801 | case HTTP_TRACE : | |
5bd77a73 | 1802 | cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1803 | cupsdCloseClient(con); |
1804 | return; | |
ef416fc2 | 1805 | |
1806 | case HTTP_HEAD : | |
1807 | if (!strncmp(con->uri, "/printers/", 10) && | |
1808 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1809 | { | |
1810 | /* | |
1811 | * Send PPD file - get the real printer name since printer | |
1812 | * names are not case sensitive but filenames can be... | |
1813 | */ | |
1814 | ||
1815 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1816 | ||
1817 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1818 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1819 | else | |
1820 | { | |
5bd77a73 | 1821 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1822 | { |
1823 | cupsdCloseClient(con); | |
1824 | return; | |
1825 | } | |
ef416fc2 | 1826 | |
1827 | break; | |
1828 | } | |
1829 | } | |
229681c1 MS |
1830 | else if (!strncmp(con->uri, "/printers/", 10) && |
1831 | !strcmp(con->uri + strlen(con->uri) - 4, ".png")) | |
1832 | { | |
1833 | /* | |
1834 | * Send PNG file - get the real printer name since printer | |
1835 | * names are not case sensitive but filenames can be... | |
1836 | */ | |
1837 | ||
1838 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1839 | ||
1840 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1841 | snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name); | |
1842 | else | |
1843 | { | |
1844 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) | |
1845 | { | |
1846 | cupsdCloseClient(con); | |
1847 | return; | |
1848 | } | |
1849 | ||
1850 | break; | |
1851 | } | |
1852 | } | |
1853 | else if (!WebInterface) | |
1854 | { | |
1855 | if (!cupsdSendHeader(con, HTTP_OK, line, CUPSD_AUTH_NONE)) | |
1856 | { | |
1857 | cupsdCloseClient(con); | |
1858 | return; | |
1859 | } | |
1860 | ||
1861 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
1862 | { | |
1863 | cupsdCloseClient(con); | |
1864 | return; | |
1865 | } | |
1866 | ||
1867 | if (cupsdFlushHeader(con) < 0) | |
1868 | { | |
1869 | cupsdCloseClient(con); | |
1870 | return; | |
1871 | } | |
1872 | ||
1873 | con->http.state = HTTP_WAITING; | |
1874 | break; | |
1875 | } | |
ef416fc2 | 1876 | |
1877 | if ((!strncmp(con->uri, "/admin", 6) && | |
1878 | strncmp(con->uri, "/admin/conf/", 12) && | |
1879 | strncmp(con->uri, "/admin/log/", 11)) || | |
1880 | !strncmp(con->uri, "/printers", 9) || | |
1881 | !strncmp(con->uri, "/classes", 8) || | |
1882 | !strncmp(con->uri, "/help", 5) || | |
1883 | !strncmp(con->uri, "/jobs", 5)) | |
1884 | { | |
1885 | /* | |
1886 | * CGI output... | |
1887 | */ | |
1888 | ||
5bd77a73 | 1889 | if (!cupsdSendHeader(con, HTTP_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1890 | { |
1891 | cupsdCloseClient(con); | |
1892 | return; | |
1893 | } | |
ef416fc2 | 1894 | |
1895 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1896 | { |
1897 | cupsdCloseClient(con); | |
1898 | return; | |
1899 | } | |
ef416fc2 | 1900 | |
07725fee | 1901 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1902 | { |
1903 | cupsdCloseClient(con); | |
1904 | return; | |
1905 | } | |
d09495fa | 1906 | |
ef416fc2 | 1907 | cupsdLogRequest(con, HTTP_OK); |
1908 | } | |
1909 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1910 | (strchr(con->uri + 12, '/') || | |
1911 | strlen(con->uri) == 12)) || | |
1912 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1913 | (strchr(con->uri + 11, '/') || | |
1914 | strlen(con->uri) == 11))) | |
1915 | { | |
1916 | /* | |
1917 | * HEAD can only be done to configuration files under | |
1918 | * /admin/conf... | |
1919 | */ | |
1920 | ||
bf3816c7 MS |
1921 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1922 | "Request for subdirectory \"%s\"!", con->uri); | |
1923 | ||
5bd77a73 | 1924 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1925 | { |
1926 | cupsdCloseClient(con); | |
1927 | return; | |
1928 | } | |
ef416fc2 | 1929 | |
1930 | break; | |
1931 | } | |
1932 | else if ((filename = get_file(con, &filestats, buf, | |
1933 | sizeof(buf))) == NULL) | |
1934 | { | |
f11a948a MS |
1935 | if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html", |
1936 | CUPSD_AUTH_NONE)) | |
f7deaa1a | 1937 | { |
1938 | cupsdCloseClient(con); | |
1939 | return; | |
1940 | } | |
ef416fc2 | 1941 | |
1942 | cupsdLogRequest(con, HTTP_NOT_FOUND); | |
1943 | } | |
1944 | else if (!check_if_modified(con, &filestats)) | |
1945 | { | |
5bd77a73 | 1946 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1947 | { |
1948 | cupsdCloseClient(con); | |
1949 | return; | |
1950 | } | |
ef416fc2 | 1951 | |
1952 | cupsdLogRequest(con, HTTP_NOT_MODIFIED); | |
1953 | } | |
1954 | else | |
1955 | { | |
1956 | /* | |
1957 | * Serve a file... | |
1958 | */ | |
1959 | ||
4400e98d | 1960 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1961 | if (type == NULL) |
1962 | strcpy(line, "text/plain"); | |
1963 | else | |
1964 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1965 | ||
5bd77a73 | 1966 | if (!cupsdSendHeader(con, HTTP_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1967 | { |
1968 | cupsdCloseClient(con); | |
1969 | return; | |
1970 | } | |
ef416fc2 | 1971 | |
1972 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
1973 | httpGetDateString(filestats.st_mtime)) < 0) | |
f7deaa1a | 1974 | { |
1975 | cupsdCloseClient(con); | |
1976 | return; | |
1977 | } | |
ef416fc2 | 1978 | |
1979 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", | |
1980 | (unsigned long)filestats.st_size) < 0) | |
f7deaa1a | 1981 | { |
1982 | cupsdCloseClient(con); | |
1983 | return; | |
1984 | } | |
ef416fc2 | 1985 | |
1986 | cupsdLogRequest(con, HTTP_OK); | |
1987 | } | |
1988 | ||
1989 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1990 | { |
1991 | cupsdCloseClient(con); | |
1992 | return; | |
1993 | } | |
ef416fc2 | 1994 | |
07725fee | 1995 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1996 | { |
1997 | cupsdCloseClient(con); | |
1998 | return; | |
1999 | } | |
d09495fa | 2000 | |
ef416fc2 | 2001 | con->http.state = HTTP_WAITING; |
2002 | break; | |
2003 | ||
2004 | default : | |
2005 | break; /* Anti-compiler-warning-code */ | |
2006 | } | |
2007 | } | |
2008 | } | |
2009 | ||
2010 | /* | |
2011 | * Handle any incoming data... | |
2012 | */ | |
2013 | ||
2014 | switch (con->http.state) | |
2015 | { | |
2016 | case HTTP_PUT_RECV : | |
f7deaa1a | 2017 | do |
ef416fc2 | 2018 | { |
f7deaa1a | 2019 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
2020 | { | |
f11a948a MS |
2021 | if (con->http.error && con->http.error != EPIPE) |
2022 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2023 | "cupsdReadClient: %d PUT_RECV Closing for error " | |
2024 | "%d (%s)", con->http.fd, con->http.error, | |
2025 | strerror(con->http.error)); | |
2026 | else | |
2027 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2028 | "cupsdReadClient: %d PUT_RECV Closing on EOF", | |
2029 | con->http.fd); | |
2030 | ||
f7deaa1a | 2031 | cupsdCloseClient(con); |
2032 | return; | |
2033 | } | |
2034 | else if (bytes > 0) | |
2035 | { | |
2036 | con->bytes += bytes; | |
ef416fc2 | 2037 | |
f7deaa1a | 2038 | if (write(con->file, line, bytes) < bytes) |
2039 | { | |
2040 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2041 | "cupsdReadClient: Unable to write %d bytes to %s: %s", | |
2042 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 2043 | |
f7deaa1a | 2044 | close(con->file); |
2045 | con->file = -1; | |
2046 | unlink(con->filename); | |
2047 | cupsdClearString(&con->filename); | |
ef416fc2 | 2048 | |
5bd77a73 | 2049 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2050 | { |
2051 | cupsdCloseClient(con); | |
2052 | return; | |
2053 | } | |
2054 | } | |
ef416fc2 | 2055 | } |
f7deaa1a | 2056 | } |
ee571f26 | 2057 | while (con->http.state == HTTP_PUT_RECV && data_ready(con)); |
ef416fc2 | 2058 | |
2059 | if (con->http.state == HTTP_WAITING) | |
2060 | { | |
2061 | /* | |
2062 | * End of file, see how big it is... | |
2063 | */ | |
2064 | ||
2065 | fstat(con->file, &filestats); | |
2066 | ||
ef416fc2 | 2067 | close(con->file); |
2068 | con->file = -1; | |
2069 | ||
2070 | if (filestats.st_size > MaxRequestSize && | |
2071 | MaxRequestSize > 0) | |
2072 | { | |
2073 | /* | |
2074 | * Request is too big; remove it and send an error... | |
2075 | */ | |
2076 | ||
ef416fc2 | 2077 | unlink(con->filename); |
2078 | cupsdClearString(&con->filename); | |
2079 | ||
5bd77a73 | 2080 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2081 | { |
2082 | cupsdCloseClient(con); | |
2083 | return; | |
2084 | } | |
ef416fc2 | 2085 | } |
2086 | ||
2087 | /* | |
2088 | * Install the configuration file... | |
2089 | */ | |
2090 | ||
2091 | status = install_conf_file(con); | |
2092 | ||
2093 | /* | |
2094 | * Return the status to the client... | |
2095 | */ | |
2096 | ||
5bd77a73 | 2097 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 2098 | { |
2099 | cupsdCloseClient(con); | |
2100 | return; | |
2101 | } | |
ef416fc2 | 2102 | } |
2103 | break; | |
2104 | ||
2105 | case HTTP_POST_RECV : | |
f7deaa1a | 2106 | do |
ef416fc2 | 2107 | { |
f11a948a | 2108 | if (con->request && con->file < 0) |
ef416fc2 | 2109 | { |
f7deaa1a | 2110 | /* |
2111 | * Grab any request data from the connection... | |
2112 | */ | |
ef416fc2 | 2113 | |
f7deaa1a | 2114 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
ef416fc2 | 2115 | { |
f7deaa1a | 2116 | cupsdLogMessage(CUPSD_LOG_ERROR, |
2117 | "cupsdReadClient: %d IPP Read Error!", | |
2118 | con->http.fd); | |
2119 | ||
5bd77a73 | 2120 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2121 | cupsdCloseClient(con); |
2122 | return; | |
ef416fc2 | 2123 | } |
f7deaa1a | 2124 | else if (ipp_state != IPP_DATA) |
2125 | { | |
2126 | if (con->http.state == HTTP_POST_SEND) | |
2127 | { | |
5bd77a73 | 2128 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2129 | cupsdCloseClient(con); |
2130 | return; | |
2131 | } | |
ef416fc2 | 2132 | |
f7deaa1a | 2133 | break; |
2134 | } | |
2135 | else | |
f11a948a MS |
2136 | { |
2137 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %d.%d %s %d", | |
2138 | con->http.fd, con->request->request.op.version[0], | |
2139 | con->request->request.op.version[1], | |
2140 | ippOpString(con->request->request.op.operation_id), | |
2141 | con->request->request.op.request_id); | |
f7deaa1a | 2142 | con->bytes += ippLength(con->request); |
f11a948a | 2143 | } |
f7deaa1a | 2144 | } |
ef416fc2 | 2145 | |
f7deaa1a | 2146 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
2147 | { | |
2148 | /* | |
2149 | * Create a file as needed for the request data... | |
2150 | */ | |
ef416fc2 | 2151 | |
f11a948a MS |
2152 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, |
2153 | request_id ++); | |
f7deaa1a | 2154 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
ef416fc2 | 2155 | |
f7deaa1a | 2156 | if (con->file < 0) |
2157 | { | |
a4924f6c MS |
2158 | cupsdLogMessage(CUPSD_LOG_ERROR, |
2159 | "Unable to create request file %s: %s", | |
2160 | con->filename, strerror(errno)); | |
2161 | ||
5bd77a73 | 2162 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2163 | { |
2164 | cupsdCloseClient(con); | |
2165 | return; | |
2166 | } | |
2167 | } | |
ef416fc2 | 2168 | |
f7deaa1a | 2169 | fchmod(con->file, 0640); |
2170 | fchown(con->file, RunUser, Group); | |
2171 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2172 | } | |
ef416fc2 | 2173 | |
f7deaa1a | 2174 | if (con->http.state != HTTP_POST_SEND) |
ef416fc2 | 2175 | { |
f7deaa1a | 2176 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
2177 | { | |
f11a948a MS |
2178 | if (con->http.error && con->http.error != EPIPE) |
2179 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2180 | "cupsdReadClient: %d POST_SEND Closing for " | |
2181 | "error %d (%s)", con->http.fd, con->http.error, | |
2182 | strerror(con->http.error)); | |
2183 | else | |
2184 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2185 | "cupsdReadClient: %d POST_SEND Closing on EOF", | |
2186 | con->http.fd); | |
2187 | ||
f7deaa1a | 2188 | cupsdCloseClient(con); |
2189 | return; | |
2190 | } | |
2191 | else if (bytes > 0) | |
2192 | { | |
2193 | con->bytes += bytes; | |
ef416fc2 | 2194 | |
f7deaa1a | 2195 | if (write(con->file, line, bytes) < bytes) |
2196 | { | |
2197 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
f11a948a MS |
2198 | "cupsdReadClient: Unable to write %d bytes to " |
2199 | "%s: %s", bytes, con->filename, | |
2200 | strerror(errno)); | |
ef416fc2 | 2201 | |
f7deaa1a | 2202 | close(con->file); |
2203 | con->file = -1; | |
2204 | unlink(con->filename); | |
2205 | cupsdClearString(&con->filename); | |
ef416fc2 | 2206 | |
f11a948a MS |
2207 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, |
2208 | CUPSD_AUTH_NONE)) | |
f7deaa1a | 2209 | { |
2210 | cupsdCloseClient(con); | |
2211 | return; | |
2212 | } | |
2213 | } | |
2214 | } | |
2215 | else if (con->http.state == HTTP_POST_RECV) | |
2216 | return; | |
2217 | else if (con->http.state != HTTP_POST_SEND) | |
2218 | { | |
f11a948a MS |
2219 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
2220 | "cupsdReadClient: %d Closing on unknown HTTP " | |
2221 | "state %d", con->http.fd, con->http.state); | |
f7deaa1a | 2222 | cupsdCloseClient(con); |
2223 | return; | |
ef416fc2 | 2224 | } |
2225 | } | |
f7deaa1a | 2226 | } |
ee571f26 | 2227 | while (con->http.state == HTTP_POST_RECV && data_ready(con)); |
ef416fc2 | 2228 | |
2229 | if (con->http.state == HTTP_POST_SEND) | |
2230 | { | |
2231 | if (con->file >= 0) | |
2232 | { | |
2233 | fstat(con->file, &filestats); | |
2234 | ||
ef416fc2 | 2235 | close(con->file); |
2236 | con->file = -1; | |
2237 | ||
2238 | if (filestats.st_size > MaxRequestSize && | |
2239 | MaxRequestSize > 0) | |
2240 | { | |
2241 | /* | |
2242 | * Request is too big; remove it and send an error... | |
2243 | */ | |
2244 | ||
ef416fc2 | 2245 | unlink(con->filename); |
2246 | cupsdClearString(&con->filename); | |
2247 | ||
2248 | if (con->request) | |
2249 | { | |
2250 | /* | |
2251 | * Delete any IPP request data... | |
2252 | */ | |
2253 | ||
2254 | ippDelete(con->request); | |
2255 | con->request = NULL; | |
2256 | } | |
2257 | ||
5bd77a73 | 2258 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2259 | { |
2260 | cupsdCloseClient(con); | |
2261 | return; | |
2262 | } | |
ef416fc2 | 2263 | } |
f8b3a85b MS |
2264 | else if (filestats.st_size == 0) |
2265 | { | |
2266 | /* | |
2267 | * Don't allow empty file... | |
2268 | */ | |
2269 | ||
2270 | unlink(con->filename); | |
2271 | cupsdClearString(&con->filename); | |
2272 | } | |
ef416fc2 | 2273 | |
2274 | if (con->command) | |
2275 | { | |
2276 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2277 | { | |
5bd77a73 | 2278 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2279 | { |
2280 | cupsdCloseClient(con); | |
2281 | return; | |
2282 | } | |
ef416fc2 | 2283 | } |
2284 | else | |
2285 | cupsdLogRequest(con, HTTP_OK); | |
2286 | } | |
2287 | } | |
2288 | ||
2289 | if (con->request) | |
f7deaa1a | 2290 | { |
2291 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2292 | |
2293 | if (con->filename) | |
2294 | { | |
bc44d920 | 2295 | unlink(con->filename); |
2296 | cupsdClearString(&con->filename); | |
2297 | } | |
2298 | ||
f7deaa1a | 2299 | return; |
2300 | } | |
ef416fc2 | 2301 | } |
2302 | break; | |
2303 | ||
2304 | default : | |
2305 | break; /* Anti-compiler-warning-code */ | |
2306 | } | |
2307 | ||
3dfe78b3 MS |
2308 | if (con->http.state == HTTP_WAITING) |
2309 | { | |
2310 | if (!con->http.keep_alive) | |
f11a948a MS |
2311 | { |
2312 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
2313 | "cupsdReadClient: %d Closing because Keep-Alive disabled", | |
2314 | con->http.fd); | |
3dfe78b3 | 2315 | cupsdCloseClient(con); |
f11a948a | 2316 | } |
3dfe78b3 MS |
2317 | else |
2318 | { | |
2319 | cupsArrayRemove(ActiveClients, con); | |
2320 | cupsdSetBusyState(); | |
2321 | } | |
2322 | } | |
ef416fc2 | 2323 | } |
2324 | ||
2325 | ||
2326 | /* | |
2327 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2328 | */ | |
2329 | ||
2330 | int /* O - 1 on success, 0 on failure */ | |
2331 | cupsdSendCommand( | |
2332 | cupsd_client_t *con, /* I - Client connection */ | |
2333 | char *command, /* I - Command to run */ | |
2334 | char *options, /* I - Command-line options */ | |
2335 | int root) /* I - Run as root? */ | |
2336 | { | |
2337 | int fd; /* Standard input file descriptor */ | |
2338 | ||
2339 | ||
2340 | if (con->filename) | |
ed486911 | 2341 | { |
ef416fc2 | 2342 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2343 | |
ed486911 | 2344 | if (fd < 0) |
2345 | { | |
2346 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2347 | "cupsdSendCommand: %d Unable to open \"%s\" for reading: %s", | |
2348 | con->http.fd, con->filename ? con->filename : "/dev/null", | |
2349 | strerror(errno)); | |
2350 | return (0); | |
2351 | } | |
ef416fc2 | 2352 | |
ed486911 | 2353 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2354 | } | |
2355 | else | |
2356 | fd = -1; | |
ef416fc2 | 2357 | |
2358 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); | |
2359 | ||
ed486911 | 2360 | if (fd >= 0) |
2361 | close(fd); | |
ef416fc2 | 2362 | |
2363 | cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command, | |
2364 | con->pipe_pid); | |
2365 | ||
2366 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendCommand: %d file=%d", | |
2367 | con->http.fd, con->file); | |
2368 | ||
2369 | if (con->pipe_pid == 0) | |
2370 | return (0); | |
2371 | ||
2372 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2373 | ||
f899b121 | 2374 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2375 | |
2376 | con->sent_header = 0; | |
2377 | con->file_ready = 0; | |
2378 | con->got_fields = 0; | |
68b10830 | 2379 | con->header_used = 0; |
ef416fc2 | 2380 | |
2381 | return (1); | |
2382 | } | |
2383 | ||
2384 | ||
2385 | /* | |
2386 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2387 | */ | |
2388 | ||
2389 | int /* O - 1 if successful, 0 otherwise */ | |
2390 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2391 | http_status_t code, /* I - Error code */ |
2392 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2393 | { |
b9faaae1 MS |
2394 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
2395 | "cupsdSendError(con=%p(%d), code=%d, auth_type=%d", con, | |
2396 | con->http.fd, code, auth_type); | |
2397 | ||
4744bd90 | 2398 | #ifdef HAVE_SSL |
2399 | /* | |
2400 | * Force client to upgrade for authentication if that is how the | |
2401 | * server is configured... | |
2402 | */ | |
2403 | ||
2404 | if (code == HTTP_UNAUTHORIZED && | |
2405 | DefaultEncryption == HTTP_ENCRYPT_REQUIRED && | |
2406 | strcasecmp(con->http.hostname, "localhost") && | |
2407 | !con->http.tls) | |
2408 | { | |
4744bd90 | 2409 | code = HTTP_UPGRADE_REQUIRED; |
2410 | } | |
2411 | #endif /* HAVE_SSL */ | |
2412 | ||
ef416fc2 | 2413 | /* |
2414 | * Put the request in the access_log file... | |
2415 | */ | |
2416 | ||
2417 | cupsdLogRequest(con, code); | |
2418 | ||
ef416fc2 | 2419 | /* |
2420 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2421 | * error messages... | |
f7deaa1a | 2422 | * |
2423 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2424 | * never disable it in that case. | |
ef416fc2 | 2425 | */ |
2426 | ||
5bd77a73 | 2427 | if (code >= HTTP_BAD_REQUEST && con->http.auth_type != CUPSD_AUTH_NEGOTIATE) |
ef416fc2 | 2428 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; |
2429 | ||
2430 | /* | |
2431 | * Send an error message back to the client. If the error code is a | |
2432 | * 400 or 500 series, make sure the message contains some text, too! | |
2433 | */ | |
2434 | ||
f899b121 | 2435 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
ef416fc2 | 2436 | return (0); |
2437 | ||
2438 | #ifdef HAVE_SSL | |
2439 | if (code == HTTP_UPGRADE_REQUIRED) | |
2440 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) | |
2441 | return (0); | |
2442 | ||
2443 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) | |
2444 | return (0); | |
2445 | #endif /* HAVE_SSL */ | |
2446 | ||
f7deaa1a | 2447 | if (con->http.version >= HTTP_1_1 && |
2448 | con->http.keep_alive == HTTP_KEEPALIVE_OFF) | |
ef416fc2 | 2449 | { |
2450 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2451 | return (0); | |
2452 | } | |
2453 | ||
2454 | if (code >= HTTP_BAD_REQUEST) | |
2455 | { | |
2456 | /* | |
2457 | * Send a human-readable error message. | |
2458 | */ | |
2459 | ||
80ca4592 | 2460 | char message[4096], /* Message for user */ |
2461 | urltext[1024], /* URL redirection text */ | |
2462 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2463 | const char *text; /* Status-specific text */ |
2464 | ||
80ca4592 | 2465 | |
2466 | redirect[0] = '\0'; | |
2467 | ||
ef416fc2 | 2468 | if (code == HTTP_UNAUTHORIZED) |
2469 | text = _cupsLangString(con->language, | |
2470 | _("Enter your username and password or the " | |
2471 | "root username and password to access this " | |
f7deaa1a | 2472 | "page. If you are using Kerberos authentication, " |
2473 | "make sure you have a valid Kerberos ticket.")); | |
ef416fc2 | 2474 | else if (code == HTTP_UPGRADE_REQUIRED) |
80ca4592 | 2475 | { |
2476 | text = urltext; | |
2477 | ||
2478 | snprintf(urltext, sizeof(urltext), | |
2479 | _cupsLangString(con->language, | |
2480 | _("You must access this page using the URL " | |
2481 | "<A HREF=\"https://%s:%d%s\">" | |
2482 | "https://%s:%d%s</A>.")), | |
2483 | con->servername, con->serverport, con->uri, | |
2484 | con->servername, con->serverport, con->uri); | |
2485 | ||
2486 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2487 | "<META HTTP-EQUIV=\"Refresh\" " |
2488 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2489 | con->servername, con->serverport, con->uri); |
2490 | } | |
229681c1 MS |
2491 | else if (code == HTTP_WEBIF_DISABLED) |
2492 | text = _cupsLangString(con->language, | |
2493 | _("The web interface is currently disabled. Run " | |
2494 | "\"cupsctl WebInterface=yes\" to enable it.")); | |
ef416fc2 | 2495 | else |
2496 | text = ""; | |
2497 | ||
2498 | snprintf(message, sizeof(message), | |
745129be MS |
2499 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" " |
2500 | "\"http://www.w3.org/TR/html4/loose.dtd\">\n" | |
ef416fc2 | 2501 | "<HTML>\n" |
2502 | "<HEAD>\n" | |
2503 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2504 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
229681c1 | 2505 | "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n" |
ef416fc2 | 2506 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " |
2507 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2508 | "%s" |
ef416fc2 | 2509 | "</HEAD>\n" |
2510 | "<BODY>\n" | |
229681c1 | 2511 | "<H1>%s</H1>\n" |
ef416fc2 | 2512 | "<P>%s</P>\n" |
2513 | "</BODY>\n" | |
2514 | "</HTML>\n", | |
229681c1 | 2515 | httpStatus(code), redirect, httpStatus(code), text); |
ef416fc2 | 2516 | |
2517 | if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2518 | return (0); | |
2519 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", | |
2520 | (int)strlen(message)) < 0) | |
2521 | return (0); | |
2522 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2523 | return (0); | |
2524 | if (httpPrintf(HTTP(con), "%s", message) < 0) | |
2525 | return (0); | |
2526 | } | |
2527 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2528 | return (0); | |
2529 | ||
07725fee | 2530 | if (cupsdFlushHeader(con) < 0) |
2531 | return (0); | |
d09495fa | 2532 | |
ef416fc2 | 2533 | con->http.state = HTTP_WAITING; |
2534 | ||
2535 | return (1); | |
2536 | } | |
2537 | ||
2538 | ||
ef416fc2 | 2539 | /* |
2540 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2541 | */ | |
2542 | ||
2543 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2544 | cupsdSendHeader( |
2545 | cupsd_client_t *con, /* I - Client to send to */ | |
2546 | http_status_t code, /* I - HTTP status code */ | |
2547 | char *type, /* I - MIME type of document */ | |
2548 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2549 | { |
5a738aea MS |
2550 | char auth_str[1024]; /* Authorization string */ |
2551 | #ifdef HAVE_GSSAPI | |
2552 | static char *gss_buf = NULL; /* Kerberos auth data buffer */ | |
2553 | static int gss_bufsize = 0; /* Size of Kerberos auth data buffer */ | |
2554 | #endif /* HAVE_GSSAPI */ | |
f7deaa1a | 2555 | |
2556 | ||
4744bd90 | 2557 | /* |
2558 | * Send the HTTP status header... | |
2559 | */ | |
2560 | ||
b423cd4c | 2561 | if (code == HTTP_CONTINUE) |
2562 | { | |
4744bd90 | 2563 | /* |
2564 | * 100-continue doesn't send any headers... | |
2565 | */ | |
2566 | ||
07725fee | 2567 | return (httpPrintf(HTTP(con), "HTTP/%d.%d 100 Continue\r\n\r\n", |
2568 | con->http.version / 100, con->http.version % 100) > 0); | |
b423cd4c | 2569 | } |
229681c1 MS |
2570 | else if (code == HTTP_WEBIF_DISABLED) |
2571 | { | |
2572 | /* | |
2573 | * Treat our special "web interface is disabled" status as "200 OK" for web | |
2574 | * browsers. | |
2575 | */ | |
2576 | ||
2577 | code = HTTP_OK; | |
2578 | } | |
b423cd4c | 2579 | |
07725fee | 2580 | httpFlushWrite(HTTP(con)); |
2581 | ||
2582 | con->http.data_encoding = HTTP_ENCODE_FIELDS; | |
2583 | ||
2584 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, | |
2585 | con->http.version % 100, code, httpStatus(code)) < 0) | |
2586 | return (0); | |
ef416fc2 | 2587 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) |
2588 | return (0); | |
2589 | if (ServerHeader) | |
2590 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2591 | return (0); | |
2592 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) | |
2593 | { | |
2594 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2595 | return (0); | |
2596 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", | |
2597 | KeepAliveTimeout) < 0) | |
2598 | return (0); | |
2599 | } | |
2600 | if (code == HTTP_METHOD_NOT_ALLOWED) | |
e6013cfa | 2601 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n") < 0) |
ef416fc2 | 2602 | return (0); |
2603 | ||
2604 | if (code == HTTP_UNAUTHORIZED) | |
2605 | { | |
5bd77a73 | 2606 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2607 | { |
5bd77a73 | 2608 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
f899b121 | 2609 | auth_type = DefaultAuthType; |
2610 | else | |
2611 | auth_type = con->best->type; | |
2612 | } | |
f7deaa1a | 2613 | |
2614 | auth_str[0] = '\0'; | |
2615 | ||
5bd77a73 | 2616 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2617 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2618 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2619 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
2620 | con->http.hostname); | |
2621 | #ifdef HAVE_GSSAPI | |
5bd77a73 | 2622 | else if (auth_type == CUPSD_AUTH_NEGOTIATE && con->gss_output_token.length == 0) |
f7deaa1a | 2623 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
2624 | #endif /* HAVE_GSSAPI */ | |
2625 | ||
e07d4801 MS |
2626 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE && |
2627 | !strcasecmp(con->http.hostname, "localhost")) | |
ef416fc2 | 2628 | { |
e07d4801 MS |
2629 | /* |
2630 | * Add a "trc" (try root certification) parameter for local non-Kerberos | |
2631 | * requests when the request requires system group membership - then the | |
2632 | * client knows the root certificate can/should be used. | |
2633 | * | |
2634 | * Also, for Mac OS X we also look for @AUTHKEY and add an "authkey" | |
2635 | * parameter as needed... | |
2636 | */ | |
2637 | ||
10d09e33 MS |
2638 | char *name, /* Current user name */ |
2639 | *auth_key; /* Auth key buffer */ | |
f7deaa1a | 2640 | size_t auth_size; /* Size of remaining buffer */ |
2641 | ||
f7deaa1a | 2642 | auth_key = auth_str + strlen(auth_str); |
2643 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2644 | ||
10d09e33 MS |
2645 | for (name = (char *)cupsArrayFirst(con->best->names); |
2646 | name; | |
2647 | name = (char *)cupsArrayNext(con->best->names)) | |
f7deaa1a | 2648 | { |
e07d4801 | 2649 | #ifdef HAVE_AUTHORIZATION_H |
10d09e33 | 2650 | if (!strncasecmp(name, "@AUTHKEY(", 9)) |
f7deaa1a | 2651 | { |
10d09e33 | 2652 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9); |
f7deaa1a | 2653 | /* end parenthesis is stripped in conf.c */ |
2654 | break; | |
2655 | } | |
e07d4801 MS |
2656 | else |
2657 | #endif /* HAVE_AUTHORIZATION_H */ | |
10d09e33 | 2658 | if (!strcasecmp(name, "@SYSTEM")) |
f7deaa1a | 2659 | { |
e07d4801 MS |
2660 | #ifdef HAVE_AUTHORIZATION_H |
2661 | if (SystemGroupAuthKey) | |
2662 | snprintf(auth_key, auth_size, | |
2663 | ", authkey=\"%s\", trc=\"y\"", | |
2664 | SystemGroupAuthKey); | |
2665 | else | |
2666 | #else | |
f11a948a | 2667 | strlcpy(auth_key, ", trc=\"y\"", auth_size); |
e07d4801 | 2668 | #endif /* HAVE_AUTHORIZATION_H */ |
f7deaa1a | 2669 | break; |
2670 | } | |
2671 | } | |
ef416fc2 | 2672 | } |
f7deaa1a | 2673 | |
bc44d920 | 2674 | if (auth_str[0]) |
2675 | { | |
68b10830 MS |
2676 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
2677 | "cupsdSendHeader: %d WWW-Authenticate: %s", con->http.fd, | |
bc44d920 | 2678 | auth_str); |
2679 | ||
2680 | if (httpPrintf(HTTP(con), "WWW-Authenticate: %s\r\n", auth_str) < 0) | |
2681 | return (0); | |
2682 | } | |
ef416fc2 | 2683 | } |
2684 | ||
f7deaa1a | 2685 | #ifdef HAVE_GSSAPI |
2686 | /* | |
2687 | * WWW-Authenticate: Negotiate can be included even for | |
2688 | * non-401 replies... | |
2689 | */ | |
2690 | ||
5a738aea | 2691 | if (con->gss_output_token.length > 0 && con->gss_output_token.length <= 65536) |
f7deaa1a | 2692 | { |
f7deaa1a | 2693 | OM_uint32 minor_status; /* Minor status code */ |
5a738aea MS |
2694 | int bufsize; /* Size of output token buffer */ |
2695 | ||
2696 | ||
2697 | bufsize = con->gss_output_token.length * 4 / 3 + 2; | |
2698 | ||
2699 | if (bufsize > gss_bufsize) | |
2700 | { | |
2701 | char *buf; /* New buffer */ | |
2702 | ||
f7deaa1a | 2703 | |
5a738aea | 2704 | bufsize = (bufsize + 1023) & 1023;/* Round up */ |
f7deaa1a | 2705 | |
5a738aea MS |
2706 | if (gss_buf) |
2707 | buf = realloc(gss_buf, bufsize); | |
2708 | else | |
2709 | buf = malloc(bufsize); | |
2710 | ||
2711 | if (!buf) | |
2712 | { | |
2713 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2714 | "Unable to allocate %d bytes for Kerberos credentials!", | |
2715 | bufsize); | |
2716 | return (0); | |
2717 | } | |
2718 | ||
2719 | gss_buf = buf; | |
2720 | gss_bufsize = bufsize; | |
2721 | } | |
2722 | ||
2723 | httpEncode64_2(gss_buf, gss_bufsize, | |
2724 | con->gss_output_token.value, | |
f7deaa1a | 2725 | con->gss_output_token.length); |
2726 | gss_release_buffer(&minor_status, &con->gss_output_token); | |
2727 | ||
355e94dc | 2728 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
5a738aea | 2729 | "cupsdSendHeader: WWW-Authenticate: Negotiate %s", gss_buf); |
355e94dc | 2730 | |
5a738aea MS |
2731 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Negotiate %s\r\n", |
2732 | gss_buf) < 0) | |
f7deaa1a | 2733 | return (0); |
2734 | } | |
5a738aea MS |
2735 | else if (con->gss_output_token.length > 65536) |
2736 | { | |
2737 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2738 | "Kerberos credentials larger than 64k (%d)!", | |
ac884b6a | 2739 | (int)con->gss_output_token.length); |
5a738aea MS |
2740 | return (0); |
2741 | } | |
f7deaa1a | 2742 | #endif /* HAVE_GSSAPI */ |
2743 | ||
e1d6a774 | 2744 | if (con->language && strcmp(con->language->language, "C")) |
ef416fc2 | 2745 | { |
2746 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2747 | con->language->language) < 0) | |
2748 | return (0); | |
2749 | } | |
2750 | ||
e1d6a774 | 2751 | if (type) |
ef416fc2 | 2752 | { |
2753 | if (!strcmp(type, "text/html")) | |
2754 | { | |
2755 | if (httpPrintf(HTTP(con), | |
2756 | "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2757 | return (0); | |
2758 | } | |
2759 | else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
2760 | return (0); | |
2761 | } | |
2762 | ||
2763 | return (1); | |
2764 | } | |
2765 | ||
2766 | ||
2767 | /* | |
2768 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2769 | */ | |
2770 | ||
2771 | void | |
2772 | cupsdUpdateCGI(void) | |
2773 | { | |
2774 | char *ptr, /* Pointer to end of line in buffer */ | |
2775 | message[1024]; /* Pointer to message text */ | |
2776 | int loglevel; /* Log level for message */ | |
2777 | ||
2778 | ||
2779 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2780 | message, sizeof(message))) != NULL) | |
f0ab5bff MS |
2781 | { |
2782 | if (loglevel == CUPSD_LOG_INFO) | |
2783 | cupsdLogMessage(CUPSD_LOG_INFO, "%s", message); | |
2784 | ||
ef416fc2 | 2785 | if (!strchr(CGIStatusBuffer->buffer, '\n')) |
2786 | break; | |
f0ab5bff | 2787 | } |
ef416fc2 | 2788 | |
d09495fa | 2789 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2790 | { |
2791 | /* | |
2792 | * Fatal error on pipe - should never happen! | |
2793 | */ | |
2794 | ||
2795 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2796 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2797 | strerror(errno)); | |
2798 | } | |
2799 | } | |
2800 | ||
2801 | ||
2802 | /* | |
2803 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2804 | */ | |
2805 | ||
f7deaa1a | 2806 | void |
ef416fc2 | 2807 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2808 | { | |
68b10830 MS |
2809 | int bytes, /* Number of bytes written */ |
2810 | field_col; /* Current column */ | |
2811 | char *bufptr, /* Pointer into buffer */ | |
2812 | *bufend; /* Pointer to end of buffer */ | |
ef416fc2 | 2813 | ipp_state_t ipp_state; /* IPP state value */ |
2814 | ||
2815 | ||
ef416fc2 | 2816 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
b9faaae1 | 2817 | "cupsdWriteClient(con=%p(%d)) response=%p(%d), file=%d " |
ef416fc2 | 2818 | "pipe_pid=%d state=%d", |
ae71f5de MS |
2819 | con, con->http.fd, con->response, |
2820 | con->response ? con->response->state : -1, | |
b94498cf | 2821 | con->file, con->pipe_pid, con->http.state); |
ef416fc2 | 2822 | |
2823 | if (con->http.state != HTTP_GET_SEND && | |
2824 | con->http.state != HTTP_POST_SEND) | |
8b116e60 MS |
2825 | { |
2826 | /* | |
2827 | * If we get called in the wrong state, then something went wrong with the | |
2828 | * connection and we need to shut it down... | |
2829 | */ | |
2830 | ||
f11a948a MS |
2831 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
2832 | "cupsdWriteClient: %d Closing on unknown HTTP state %d", | |
2833 | con->http.fd, con->http.state); | |
8b116e60 | 2834 | cupsdCloseClient(con); |
f7deaa1a | 2835 | return; |
8b116e60 | 2836 | } |
f7deaa1a | 2837 | |
2838 | if (con->pipe_pid) | |
2839 | { | |
2840 | /* | |
2841 | * Make sure we select on the CGI output... | |
2842 | */ | |
2843 | ||
f899b121 | 2844 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2845 | |
2846 | if (!con->file_ready) | |
2847 | { | |
2848 | /* | |
2849 | * Try again later when there is CGI output available... | |
2850 | */ | |
2851 | ||
2852 | cupsdRemoveSelect(con->http.fd); | |
2853 | return; | |
2854 | } | |
2855 | ||
2856 | con->file_ready = 0; | |
2857 | } | |
ef416fc2 | 2858 | |
b94498cf | 2859 | if (con->response && con->response->state != IPP_DATA) |
ef416fc2 | 2860 | { |
07725fee | 2861 | ipp_state = ippWrite(HTTP(con), con->response); |
b94498cf | 2862 | bytes = ipp_state != IPP_ERROR && |
2863 | (con->file >= 0 || ipp_state != IPP_DATA); | |
ef416fc2 | 2864 | } |
68b10830 MS |
2865 | else if ((bytes = read(con->file, con->header, |
2866 | sizeof(con->header) - con->header_used)) > 0) | |
ef416fc2 | 2867 | { |
68b10830 MS |
2868 | con->header_used += bytes; |
2869 | ||
ef416fc2 | 2870 | if (con->pipe_pid && !con->got_fields) |
2871 | { | |
2872 | /* | |
2873 | * Inspect the data for Content-Type and other fields. | |
2874 | */ | |
2875 | ||
68b10830 MS |
2876 | for (bufptr = con->header, bufend = con->header + con->header_used, |
2877 | field_col = 0; | |
2878 | !con->got_fields && bufptr < bufend; | |
2879 | bufptr ++) | |
d1c13e16 | 2880 | { |
ef416fc2 | 2881 | if (*bufptr == '\n') |
2882 | { | |
2883 | /* | |
2884 | * Send line to client... | |
2885 | */ | |
2886 | ||
68b10830 | 2887 | if (bufptr > con->header && bufptr[-1] == '\r') |
ef416fc2 | 2888 | bufptr[-1] = '\0'; |
2889 | *bufptr++ = '\0'; | |
2890 | ||
68b10830 | 2891 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Script header: %s", con->header); |
ef416fc2 | 2892 | |
2893 | if (!con->sent_header) | |
2894 | { | |
2895 | /* | |
2896 | * Handle redirection and CGI status codes... | |
2897 | */ | |
2898 | ||
68b10830 | 2899 | if (!strncasecmp(con->header, "Location:", 9)) |
d6ae789d | 2900 | { |
5bd77a73 | 2901 | cupsdSendHeader(con, HTTP_SEE_OTHER, NULL, CUPSD_AUTH_NONE); |
07725fee | 2902 | con->sent_header = 2; |
2903 | ||
d6ae789d | 2904 | if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0) |
f7deaa1a | 2905 | return; |
d6ae789d | 2906 | } |
68b10830 | 2907 | else if (!strncasecmp(con->header, "Status:", 7)) |
07725fee | 2908 | { |
68b10830 MS |
2909 | cupsdSendError(con, (http_status_t)atoi(con->header + 7), |
2910 | CUPSD_AUTH_NONE); | |
07725fee | 2911 | con->sent_header = 2; |
2912 | } | |
ef416fc2 | 2913 | else |
4744bd90 | 2914 | { |
5bd77a73 | 2915 | cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE); |
07725fee | 2916 | con->sent_header = 1; |
ef416fc2 | 2917 | |
4744bd90 | 2918 | if (con->http.version == HTTP_1_1) |
2919 | { | |
4744bd90 | 2920 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) |
f7deaa1a | 2921 | return; |
4744bd90 | 2922 | } |
2923 | } | |
ef416fc2 | 2924 | } |
2925 | ||
68b10830 MS |
2926 | if (strncasecmp(con->header, "Status:", 7)) |
2927 | httpPrintf(HTTP(con), "%s\r\n", con->header); | |
ef416fc2 | 2928 | |
ef416fc2 | 2929 | /* |
2930 | * Update buffer... | |
2931 | */ | |
2932 | ||
68b10830 | 2933 | con->header_used -= bufptr - con->header; |
d1c13e16 | 2934 | |
68b10830 MS |
2935 | if (con->header_used > 0) |
2936 | memmove(con->header, bufptr, con->header_used); | |
d1c13e16 | 2937 | |
68b10830 | 2938 | bufptr = con->header - 1; |
ef416fc2 | 2939 | |
2940 | /* | |
2941 | * See if the line was empty... | |
2942 | */ | |
2943 | ||
68b10830 | 2944 | if (field_col == 0) |
d09495fa | 2945 | { |
ef416fc2 | 2946 | con->got_fields = 1; |
d09495fa | 2947 | |
07725fee | 2948 | if (cupsdFlushHeader(con) < 0) |
2949 | { | |
2950 | cupsdCloseClient(con); | |
f7deaa1a | 2951 | return; |
07725fee | 2952 | } |
d09495fa | 2953 | |
2954 | if (con->http.version == HTTP_1_1) | |
2955 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
2956 | } | |
ef416fc2 | 2957 | else |
68b10830 | 2958 | field_col = 0; |
ef416fc2 | 2959 | } |
2960 | else if (*bufptr != '\r') | |
68b10830 | 2961 | field_col ++; |
d1c13e16 | 2962 | } |
ef416fc2 | 2963 | |
68b10830 | 2964 | if (!con->got_fields) |
47879b8b | 2965 | { |
ef416fc2 | 2966 | con->http.activity = time(NULL); |
47879b8b MS |
2967 | return; |
2968 | } | |
ef416fc2 | 2969 | } |
2970 | ||
68b10830 | 2971 | if (con->header_used > 0) |
ef416fc2 | 2972 | { |
68b10830 | 2973 | if (httpWrite2(HTTP(con), con->header, con->header_used) < 0) |
4744bd90 | 2974 | { |
f11a948a MS |
2975 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
2976 | "cupsdWriteClient: %d Closing for error %d (%s)", | |
2977 | con->http.fd, con->http.error, | |
2978 | strerror(con->http.error)); | |
4744bd90 | 2979 | cupsdCloseClient(con); |
f7deaa1a | 2980 | return; |
4744bd90 | 2981 | } |
ef416fc2 | 2982 | |
01ce6322 MS |
2983 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED) |
2984 | httpFlushWrite(HTTP(con)); | |
ae71f5de | 2985 | |
68b10830 | 2986 | con->bytes += con->header_used; |
ef416fc2 | 2987 | |
4744bd90 | 2988 | if (con->http.state == HTTP_WAITING) |
2989 | bytes = 0; | |
68b10830 MS |
2990 | else |
2991 | bytes = con->header_used; | |
2992 | ||
2993 | con->header_used = 0; | |
4744bd90 | 2994 | } |
ef416fc2 | 2995 | } |
2996 | ||
8b116e60 MS |
2997 | if (bytes <= 0 || |
2998 | (con->http.state != HTTP_GET_SEND && con->http.state != HTTP_POST_SEND)) | |
ef416fc2 | 2999 | { |
38e73f87 | 3000 | if (!con->sent_header && con->pipe_pid) |
94da7e34 MS |
3001 | cupsdSendError(con, HTTP_SERVER_ERROR, CUPSD_AUTH_NONE); |
3002 | else | |
3003 | { | |
3004 | cupsdLogRequest(con, HTTP_OK); | |
ef416fc2 | 3005 | |
94da7e34 | 3006 | httpFlushWrite(HTTP(con)); |
ef416fc2 | 3007 | |
94da7e34 | 3008 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED && con->sent_header == 1) |
ef416fc2 | 3009 | { |
94da7e34 MS |
3010 | if (httpWrite2(HTTP(con), "", 0) < 0) |
3011 | { | |
f11a948a MS |
3012 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3013 | "cupsdWriteClient: %d Closing for error %d (%s)", | |
3014 | con->http.fd, con->http.error, | |
3015 | strerror(con->http.error)); | |
94da7e34 MS |
3016 | cupsdCloseClient(con); |
3017 | return; | |
3018 | } | |
ef416fc2 | 3019 | } |
3020 | } | |
3021 | ||
3022 | con->http.state = HTTP_WAITING; | |
3023 | ||
f7deaa1a | 3024 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 3025 | |
3026 | if (con->file >= 0) | |
3027 | { | |
f7deaa1a | 3028 | cupsdRemoveSelect(con->file); |
ef416fc2 | 3029 | |
3030 | if (con->pipe_pid) | |
3031 | cupsdEndProcess(con->pipe_pid, 0); | |
3032 | ||
ef416fc2 | 3033 | close(con->file); |
3034 | con->file = -1; | |
3035 | con->pipe_pid = 0; | |
3036 | } | |
3037 | ||
3038 | if (con->filename) | |
3039 | { | |
ef416fc2 | 3040 | unlink(con->filename); |
3041 | cupsdClearString(&con->filename); | |
3042 | } | |
3043 | ||
2abf387c | 3044 | if (con->request) |
ef416fc2 | 3045 | { |
3046 | ippDelete(con->request); | |
3047 | con->request = NULL; | |
3048 | } | |
3049 | ||
2abf387c | 3050 | if (con->response) |
ef416fc2 | 3051 | { |
3052 | ippDelete(con->response); | |
3053 | con->response = NULL; | |
3054 | } | |
3055 | ||
3056 | cupsdClearString(&con->command); | |
3057 | cupsdClearString(&con->options); | |
b86bc4cf | 3058 | cupsdClearString(&con->query_string); |
ef416fc2 | 3059 | |
3060 | if (!con->http.keep_alive) | |
3061 | { | |
f11a948a MS |
3062 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3063 | "cupsdWriteClient: %d Closing because Keep-Alive disabled", | |
3064 | con->http.fd); | |
ef416fc2 | 3065 | cupsdCloseClient(con); |
f7deaa1a | 3066 | return; |
ef416fc2 | 3067 | } |
f11a948a MS |
3068 | else |
3069 | { | |
3070 | cupsArrayRemove(ActiveClients, con); | |
3071 | cupsdSetBusyState(); | |
3072 | } | |
ef416fc2 | 3073 | } |
3074 | ||
3075 | con->http.activity = time(NULL); | |
f7deaa1a | 3076 | } |
ef416fc2 | 3077 | |
f7deaa1a | 3078 | |
e1d6a774 | 3079 | /* |
3080 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
3081 | */ | |
3082 | ||
3083 | static int /* O - 1 if modified since */ | |
3084 | check_if_modified( | |
3085 | cupsd_client_t *con, /* I - Client connection */ | |
3086 | struct stat *filestats) /* I - File information */ | |
3087 | { | |
3088 | char *ptr; /* Pointer into field */ | |
3089 | time_t date; /* Time/date value */ | |
3090 | off_t size; /* Size/length value */ | |
3091 | ||
3092 | ||
3093 | size = 0; | |
3094 | date = 0; | |
3095 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
3096 | ||
3097 | if (*ptr == '\0') | |
3098 | return (1); | |
3099 | ||
3100 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
3101 | "check_if_modified(con=%p(%d), " |
3102 | "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", | |
3103 | con, con->http.fd, filestats, CUPS_LLCAST filestats->st_size, | |
3104 | (int)filestats->st_mtime, ptr); | |
e1d6a774 | 3105 | |
3106 | while (*ptr != '\0') | |
3107 | { | |
3108 | while (isspace(*ptr) || *ptr == ';') | |
3109 | ptr ++; | |
3110 | ||
3111 | if (strncasecmp(ptr, "length=", 7) == 0) | |
3112 | { | |
3113 | ptr += 7; | |
3114 | size = strtoll(ptr, NULL, 10); | |
3115 | ||
3116 | while (isdigit(*ptr)) | |
3117 | ptr ++; | |
3118 | } | |
3119 | else if (isalpha(*ptr)) | |
3120 | { | |
3121 | date = httpGetDateTime(ptr); | |
3122 | while (*ptr != '\0' && *ptr != ';') | |
3123 | ptr ++; | |
3124 | } | |
e53920b9 | 3125 | else |
3126 | ptr ++; | |
e1d6a774 | 3127 | } |
3128 | ||
e1d6a774 | 3129 | return ((size != filestats->st_size && size != 0) || |
3130 | (date < filestats->st_mtime && date != 0) || | |
3131 | (size == 0 && date == 0)); | |
3132 | } | |
3133 | ||
3134 | ||
3dfe78b3 MS |
3135 | /* |
3136 | * 'compare_clients()' - Compare two client connections. | |
3137 | */ | |
3138 | ||
3139 | static int /* O - Result of comparison */ | |
3140 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
3141 | cupsd_client_t *b, /* I - Second client */ | |
3142 | void *data) /* I - User data (not used) */ | |
3143 | { | |
3144 | (void)data; | |
3145 | ||
3146 | if (a == b) | |
3147 | return (0); | |
3148 | else if (a < b) | |
3149 | return (-1); | |
3150 | else | |
3151 | return (1); | |
3152 | } | |
3153 | ||
3154 | ||
ee571f26 MS |
3155 | /* |
3156 | * 'data_ready()' - Check whether data is available from a client. | |
3157 | */ | |
3158 | ||
3159 | static int /* O - 1 if data is ready, 0 otherwise */ | |
3160 | data_ready(cupsd_client_t *con) /* I - Client */ | |
3161 | { | |
3162 | if (con->http.used > 0) | |
3163 | return (1); | |
3164 | #ifdef HAVE_SSL | |
3165 | else if (con->http.tls) | |
3166 | { | |
3167 | # ifdef HAVE_LIBSSL | |
3168 | if (SSL_pending((SSL *)(con->http.tls))) | |
3169 | return (1); | |
3170 | # elif defined(HAVE_GNUTLS) | |
7cf5915e | 3171 | if (gnutls_record_check_pending(con->http.tls)) |
ee571f26 MS |
3172 | return (1); |
3173 | # elif defined(HAVE_CDSASSL) | |
3174 | size_t bytes; /* Bytes that are available */ | |
3175 | ||
7cf5915e | 3176 | if (!SSLGetBufferedReadSize(con->http.tls, &bytes) && bytes > 0) |
ee571f26 MS |
3177 | return (1); |
3178 | # endif /* HAVE_LIBSSL */ | |
3179 | } | |
3180 | #endif /* HAVE_SSL */ | |
3181 | ||
3182 | return (0); | |
3183 | } | |
3184 | ||
3185 | ||
80ca4592 | 3186 | #ifdef HAVE_SSL |
e1d6a774 | 3187 | /* |
3188 | * 'encrypt_client()' - Enable encryption for the client... | |
3189 | */ | |
3190 | ||
3191 | static int /* O - 1 on success, 0 on error */ | |
3192 | encrypt_client(cupsd_client_t *con) /* I - Client to encrypt */ | |
3193 | { | |
80ca4592 | 3194 | # ifdef HAVE_LIBSSL |
e1d6a774 | 3195 | SSL_CTX *context; /* Context for encryption */ |
411affcf | 3196 | BIO *bio; /* BIO data */ |
e1d6a774 | 3197 | unsigned long error; /* Error code */ |
3198 | ||
3199 | ||
b9faaae1 MS |
3200 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con, |
3201 | con->http.fd); | |
3202 | ||
8ca02f3c | 3203 | /* |
3204 | * Verify that we have a certificate... | |
3205 | */ | |
3206 | ||
3207 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
3208 | { | |
3209 | /* | |
3210 | * Nope, make a self-signed certificate... | |
3211 | */ | |
3212 | ||
b86bc4cf | 3213 | if (!make_certificate(con)) |
8ca02f3c | 3214 | return (0); |
3215 | } | |
3216 | ||
e1d6a774 | 3217 | /* |
3218 | * Create the SSL context and accept the connection... | |
3219 | */ | |
3220 | ||
3221 | context = SSL_CTX_new(SSLv23_server_method()); | |
3222 | ||
3223 | SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */ | |
b19ccc9e | 3224 | if (SSLOptions & CUPSD_SSL_NOEMPTY) |
58dc1933 | 3225 | SSL_CTX_set_options(context, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS); |
e1d6a774 | 3226 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); |
58dc1933 | 3227 | SSL_CTX_use_certificate_chain_file(context, ServerCertificate); |
e1d6a774 | 3228 | |
411affcf | 3229 | bio = BIO_new(_httpBIOMethods()); |
3230 | BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con)); | |
3231 | ||
7cf5915e MS |
3232 | con->http.tls = SSL_new(context); |
3233 | SSL_set_bio(con->http.tls, bio, bio); | |
e1d6a774 | 3234 | |
7cf5915e | 3235 | if (SSL_accept(con->http.tls) != 1) |
e1d6a774 | 3236 | { |
b9faaae1 | 3237 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to encrypt connection from %s!", |
e1d6a774 | 3238 | con->http.hostname); |
3239 | ||
3240 | while ((error = ERR_get_error()) != 0) | |
b9faaae1 | 3241 | cupsdLogMessage(CUPSD_LOG_ERROR, "%s", ERR_error_string(error, NULL)); |
e1d6a774 | 3242 | |
3243 | SSL_CTX_free(context); | |
7cf5915e MS |
3244 | SSL_free(con->http.tls); |
3245 | con->http.tls = NULL; | |
e1d6a774 | 3246 | return (0); |
3247 | } | |
3248 | ||
b9faaae1 MS |
3249 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.", |
3250 | con->http.hostname); | |
e1d6a774 | 3251 | |
e1d6a774 | 3252 | return (1); |
f7deaa1a | 3253 | |
80ca4592 | 3254 | # elif defined(HAVE_GNUTLS) |
e1d6a774 | 3255 | int error; /* Error code */ |
3256 | gnutls_certificate_server_credentials *credentials; | |
3257 | /* TLS credentials */ | |
3258 | ||
3259 | ||
b9faaae1 MS |
3260 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con, |
3261 | con->http.fd); | |
3262 | ||
e1d6a774 | 3263 | /* |
3264 | * Verify that we have a certificate... | |
3265 | */ | |
3266 | ||
3267 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
3268 | { | |
3269 | /* | |
3270 | * Nope, make a self-signed certificate... | |
3271 | */ | |
3272 | ||
b86bc4cf | 3273 | if (!make_certificate(con)) |
8ca02f3c | 3274 | return (0); |
e1d6a774 | 3275 | } |
3276 | ||
3277 | /* | |
3278 | * Create the SSL object and perform the SSL handshake... | |
3279 | */ | |
3280 | ||
e1d6a774 | 3281 | credentials = (gnutls_certificate_server_credentials *) |
3282 | malloc(sizeof(gnutls_certificate_server_credentials)); | |
3283 | if (credentials == NULL) | |
3284 | { | |
3285 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
b9faaae1 MS |
3286 | "Unable to encrypt connection from %s - %s", |
3287 | con->http.hostname, strerror(errno)); | |
e1d6a774 | 3288 | |
e1d6a774 | 3289 | return (0); |
3290 | } | |
3291 | ||
3292 | gnutls_certificate_allocate_credentials(credentials); | |
f7deaa1a | 3293 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, |
e1d6a774 | 3294 | ServerKey, GNUTLS_X509_FMT_PEM); |
3295 | ||
7cf5915e MS |
3296 | gnutls_init(&con->http.tls), GNUTLS_SERVER); |
3297 | gnutls_set_default_priority(con->http.tls); | |
3298 | gnutls_credentials_set(con->http.tls, GNUTLS_CRD_CERTIFICATE, *credentials); | |
3299 | gnutls_transport_set_ptr(con->http.tls, (gnutls_transport_ptr)HTTP(con)); | |
3300 | gnutls_transport_set_pull_function(con->http.tls, _httpReadGNUTLS); | |
3301 | gnutls_transport_set_push_function(con->http.tls, _httpWriteGNUTLS); | |
e1d6a774 | 3302 | |
7cf5915e | 3303 | error = gnutls_handshake(con->http.tls); |
e1d6a774 | 3304 | |
3305 | if (error != GNUTLS_E_SUCCESS) | |
3306 | { | |
3307 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
b9faaae1 MS |
3308 | "Unable to encrypt connection from %s - %s", |
3309 | con->http.hostname, gnutls_strerror(error)); | |
e1d6a774 | 3310 | |
7cf5915e | 3311 | gnutls_deinit(con->http.tls); |
e1d6a774 | 3312 | gnutls_certificate_free_credentials(*credentials); |
7cf5915e | 3313 | con->http.tls = NULL; |
e1d6a774 | 3314 | free(credentials); |
3315 | return (0); | |
3316 | } | |
3317 | ||
b9faaae1 MS |
3318 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.", |
3319 | con->http.hostname); | |
e1d6a774 | 3320 | |
7cf5915e | 3321 | con->http.tls_credentials = credentials; |
e1d6a774 | 3322 | return (1); |
3323 | ||
80ca4592 | 3324 | # elif defined(HAVE_CDSASSL) |
e60ec91f MS |
3325 | OSStatus error = 0; /* Error code */ |
3326 | CFArrayRef peerCerts; /* Peer certificates */ | |
e1d6a774 | 3327 | |
3328 | ||
b9faaae1 MS |
3329 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con, |
3330 | con->http.fd); | |
3331 | ||
7cf5915e | 3332 | con->http.tls_credentials = get_cdsa_certificate(con); |
e1d6a774 | 3333 | |
7cf5915e | 3334 | if (!con->http.tls_credentials) |
8ca02f3c | 3335 | { |
3336 | /* | |
3337 | * No keychain (yet), make a self-signed certificate... | |
3338 | */ | |
3339 | ||
b86bc4cf | 3340 | if (make_certificate(con)) |
7cf5915e | 3341 | con->http.tls_credentials = get_cdsa_certificate(con); |
8ca02f3c | 3342 | } |
3343 | ||
7cf5915e | 3344 | if (!con->http.tls_credentials) |
e1d6a774 | 3345 | { |
3346 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
b9faaae1 MS |
3347 | "Could not find signing key in keychain \"%s\"", |
3348 | ServerCertificate); | |
e1d6a774 | 3349 | error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */ |
3350 | } | |
3351 | ||
3352 | if (!error) | |
7cf5915e | 3353 | error = SSLNewContext(true, &con->http.tls); |
e1d6a774 | 3354 | |
3355 | if (!error) | |
7cf5915e | 3356 | error = SSLSetIOFuncs(con->http.tls, _httpReadCDSA, _httpWriteCDSA); |
89d46774 | 3357 | |
3358 | if (!error) | |
7cf5915e | 3359 | error = SSLSetProtocolVersionEnabled(con->http.tls, kSSLProtocol2, false); |
e1d6a774 | 3360 | |
3361 | if (!error) | |
7cf5915e | 3362 | error = SSLSetConnection(con->http.tls, HTTP(con)); |
e1d6a774 | 3363 | |
3364 | if (!error) | |
7cf5915e | 3365 | error = SSLSetAllowsExpiredCerts(con->http.tls, true); |
e1d6a774 | 3366 | |
3367 | if (!error) | |
7cf5915e | 3368 | error = SSLSetAllowsAnyRoot(con->http.tls, true); |
ef416fc2 | 3369 | |
89d46774 | 3370 | if (!error) |
7cf5915e | 3371 | error = SSLSetCertificate(con->http.tls, con->http.tls_credentials); |
ef416fc2 | 3372 | |
e1d6a774 | 3373 | if (!error) |
3374 | { | |
3375 | /* | |
3376 | * Perform SSL/TLS handshake | |
3377 | */ | |
ef416fc2 | 3378 | |
7cf5915e | 3379 | while ((error = SSLHandshake(con->http.tls)) == errSSLWouldBlock) |
e1d6a774 | 3380 | usleep(1000); |
3381 | } | |
ef416fc2 | 3382 | |
e1d6a774 | 3383 | if (error) |
3384 | { | |
3385 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
b9faaae1 MS |
3386 | "Unable to encrypt connection from %s - %s (%d)", |
3387 | con->http.hostname, cssmErrorString(error), (int)error); | |
ef416fc2 | 3388 | |
e1d6a774 | 3389 | con->http.error = error; |
3390 | con->http.status = HTTP_ERROR; | |
ef416fc2 | 3391 | |
7cf5915e MS |
3392 | if (con->http.tls) |
3393 | { | |
3394 | SSLDisposeContext(con->http.tls); | |
3395 | con->http.tls = NULL; | |
3396 | } | |
89d46774 | 3397 | |
7cf5915e MS |
3398 | if (con->http.tls_credentials) |
3399 | { | |
3400 | CFRelease(con->http.tls_credentials); | |
3401 | con->http.tls_credentials = NULL; | |
3402 | } | |
ef416fc2 | 3403 | |
e1d6a774 | 3404 | return (0); |
ef416fc2 | 3405 | } |
3406 | ||
b9faaae1 MS |
3407 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.", |
3408 | con->http.hostname); | |
ef416fc2 | 3409 | |
e60ec91f | 3410 | if (!SSLCopyPeerCertificates(con->http.tls, &peerCerts) && peerCerts) |
7cf5915e MS |
3411 | { |
3412 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Received %d peer certificates!", | |
3413 | (int)CFArrayGetCount(peerCerts)); | |
3414 | } | |
3415 | else | |
3416 | cupsdLogMessage(CUPSD_LOG_DEBUG, "Received NO peer certificates!"); | |
3417 | ||
e1d6a774 | 3418 | return (1); |
3419 | ||
80ca4592 | 3420 | # endif /* HAVE_LIBSSL */ |
ef416fc2 | 3421 | } |
80ca4592 | 3422 | #endif /* HAVE_SSL */ |
ef416fc2 | 3423 | |
3424 | ||
3425 | #ifdef HAVE_CDSASSL | |
3426 | /* | |
b86bc4cf | 3427 | * 'get_cdsa_certificate()' - Get a SSL/TLS certificate from the System keychain. |
ef416fc2 | 3428 | */ |
3429 | ||
7cf5915e | 3430 | static CFArrayRef /* O - Array of certificates */ |
4a4b4f99 | 3431 | get_cdsa_certificate( |
7cf5915e | 3432 | cupsd_client_t *con) /* I - Client connection */ |
ef416fc2 | 3433 | { |
3434 | OSStatus err; /* Error info */ | |
c7017ecc MS |
3435 | SecKeychainRef keychain = NULL;/* Keychain reference */ |
3436 | SecIdentitySearchRef search = NULL; /* Search reference */ | |
3437 | SecIdentityRef identity = NULL;/* Identity */ | |
b86bc4cf | 3438 | CFArrayRef certificates = NULL; |
3439 | /* Certificate array */ | |
c7017ecc MS |
3440 | # if HAVE_SECPOLICYCREATESSL |
3441 | SecPolicyRef policy = NULL; /* Policy ref */ | |
3442 | CFStringRef servername = NULL; | |
3443 | /* Server name */ | |
3444 | CFMutableDictionaryRef query = NULL; /* Query qualifiers */ | |
3445 | char localname[1024];/* Local hostname */ | |
3446 | # elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY) | |
3447 | SecPolicyRef policy = NULL; /* Policy ref */ | |
3448 | SecPolicySearchRef policy_search = NULL; | |
3449 | /* Policy search ref */ | |
3450 | CSSM_DATA options; /* Policy options */ | |
3451 | CSSM_APPLE_TP_SSL_OPTIONS | |
3452 | ssl_options; /* SSL Option for hostname */ | |
3453 | char localname[1024];/* Local hostname */ | |
3454 | # endif /* HAVE_SECPOLICYCREATESSL */ | |
3455 | ||
ef416fc2 | 3456 | |
c7017ecc MS |
3457 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3458 | "get_cdsa_certificate: Looking for certs for \"%s\"...", | |
3459 | con->servername); | |
ef416fc2 | 3460 | |
b86bc4cf | 3461 | if ((err = SecKeychainOpen(ServerCertificate, &keychain))) |
3462 | { | |
b9faaae1 MS |
3463 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\" - %s (%d)", |
3464 | ServerCertificate, cssmErrorString(err), (int)err); | |
c7017ecc MS |
3465 | goto cleanup; |
3466 | } | |
3467 | ||
3468 | # if HAVE_SECPOLICYCREATESSL | |
3469 | servername = CFStringCreateWithCString(kCFAllocatorDefault, con->servername, | |
3470 | kCFStringEncodingUTF8); | |
3471 | ||
e60ec91f MS |
3472 | policy = SecPolicyCreateSSL(1, servername); |
3473 | ||
3474 | if (servername) | |
3475 | CFRelease(servername); | |
3476 | ||
3477 | if (!policy) | |
c7017ecc MS |
3478 | { |
3479 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference"); | |
3480 | goto cleanup; | |
3481 | } | |
3482 | ||
c7017ecc MS |
3483 | if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, |
3484 | &kCFTypeDictionaryKeyCallBacks, | |
3485 | &kCFTypeDictionaryValueCallBacks))) | |
3486 | { | |
3487 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create query dictionary"); | |
3488 | goto cleanup; | |
3489 | } | |
3490 | ||
3491 | CFDictionaryAddValue(query, kSecClass, kSecClassIdentity); | |
3492 | CFDictionaryAddValue(query, kSecMatchPolicy, policy); | |
3493 | CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue); | |
3494 | CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne); | |
3495 | ||
3496 | err = SecItemCopyMatching(query, (CFTypeRef *)&identity); | |
3497 | ||
3498 | if (err && DNSSDHostName) | |
3499 | { | |
3500 | /* | |
3501 | * Search for the connection server name failed; try the DNS-SD .local | |
3502 | * hostname instead... | |
3503 | */ | |
3504 | ||
3505 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
3506 | ||
3507 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3508 | "get_cdsa_certificate: Looking for certs for \"%s\"...", | |
3509 | localname); | |
3510 | ||
3511 | servername = CFStringCreateWithCString(kCFAllocatorDefault, localname, | |
3512 | kCFStringEncodingUTF8); | |
3513 | ||
3514 | CFRelease(policy); | |
3515 | ||
e60ec91f MS |
3516 | policy = SecPolicyCreateSSL(1, servername); |
3517 | ||
3518 | if (servername) | |
3519 | CFRelease(servername); | |
3520 | ||
3521 | if (!policy) | |
c7017ecc MS |
3522 | { |
3523 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference"); | |
3524 | goto cleanup; | |
3525 | } | |
3526 | ||
c7017ecc MS |
3527 | CFDictionarySetValue(query, kSecMatchPolicy, policy); |
3528 | ||
3529 | err = SecItemCopyMatching(query, (CFTypeRef *)&identity); | |
b86bc4cf | 3530 | } |
ef416fc2 | 3531 | |
c7017ecc MS |
3532 | if (err) |
3533 | { | |
3534 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3535 | "Cannot find signing key in keychain \"%s\": %s (%d)", | |
3536 | ServerCertificate, cssmErrorString(err), (int)err); | |
3537 | goto cleanup; | |
3538 | } | |
3539 | ||
3540 | # elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY) | |
b86bc4cf | 3541 | /* |
7cf5915e | 3542 | * Use a policy to search for valid certificates whose common name matches the |
b86bc4cf | 3543 | * servername... |
3544 | */ | |
3545 | ||
c7017ecc | 3546 | if (SecPolicySearchCreate(CSSM_CERT_X_509v3, &CSSMOID_APPLE_TP_SSL, |
1f0275e3 | 3547 | NULL, &policy_search)) |
ef416fc2 | 3548 | { |
b86bc4cf | 3549 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create a policy search reference"); |
c7017ecc | 3550 | goto cleanup; |
b86bc4cf | 3551 | } |
ef416fc2 | 3552 | |
1f0275e3 | 3553 | if (SecPolicySearchCopyNext(policy_search, &policy)) |
b86bc4cf | 3554 | { |
b9faaae1 | 3555 | cupsdLogMessage(CUPSD_LOG_ERROR, |
b86bc4cf | 3556 | "Cannot find a policy to use for searching"); |
c7017ecc | 3557 | goto cleanup; |
b86bc4cf | 3558 | } |
ef416fc2 | 3559 | |
b86bc4cf | 3560 | memset(&ssl_options, 0, sizeof(ssl_options)); |
3561 | ssl_options.Version = CSSM_APPLE_TP_SSL_OPTS_VERSION; | |
3562 | ssl_options.ServerName = con->servername; | |
3563 | ssl_options.ServerNameLen = strlen(con->servername); | |
ef416fc2 | 3564 | |
b86bc4cf | 3565 | options.Data = (uint8 *)&ssl_options; |
3566 | options.Length = sizeof(ssl_options); | |
3567 | ||
1f0275e3 | 3568 | if (SecPolicySetValue(policy, &options)) |
b86bc4cf | 3569 | { |
b9faaae1 | 3570 | cupsdLogMessage(CUPSD_LOG_ERROR, |
b86bc4cf | 3571 | "Cannot set policy value to use for searching"); |
c7017ecc | 3572 | goto cleanup; |
b86bc4cf | 3573 | } |
3574 | ||
c7017ecc MS |
3575 | if ((err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN, |
3576 | keychain, FALSE, &search))) | |
3577 | { | |
3578 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3579 | "Cannot create identity search reference: %s (%d)", | |
3580 | cssmErrorString(err), (int)err); | |
3581 | goto cleanup; | |
3582 | } | |
3583 | ||
3584 | err = SecIdentitySearchCopyNext(search, &identity); | |
3585 | ||
4a4b4f99 MS |
3586 | if (err && DNSSDHostName) |
3587 | { | |
3588 | /* | |
3589 | * Search for the connection server name failed; try the DNS-SD .local | |
3590 | * hostname instead... | |
3591 | */ | |
3592 | ||
3593 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
3594 | ||
3595 | ssl_options.ServerName = localname; | |
3596 | ssl_options.ServerNameLen = strlen(localname); | |
3597 | ||
3598 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3599 | "get_cdsa_certificate: Looking for certs for \"%s\"...", | |
3600 | localname); | |
3601 | ||
3602 | if (SecPolicySetValue(policy, &options)) | |
3603 | { | |
3604 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3605 | "Cannot set policy value to use for searching"); | |
c7017ecc | 3606 | goto cleanup; |
4a4b4f99 MS |
3607 | } |
3608 | ||
10d09e33 MS |
3609 | CFRelease(search); |
3610 | search = NULL; | |
3611 | if ((err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN, | |
3612 | keychain, FALSE, &search))) | |
3613 | { | |
3614 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3615 | "Cannot create identity search reference: %s (%d)", | |
3616 | cssmErrorString(err), (int)err); | |
3617 | goto cleanup; | |
3618 | } | |
3619 | ||
c7017ecc | 3620 | err = SecIdentitySearchCopyNext(search, &identity); |
10d09e33 | 3621 | |
c7017ecc MS |
3622 | } |
3623 | ||
3624 | if (err) | |
3625 | { | |
3626 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3627 | "Cannot find signing key in keychain \"%s\": %s (%d)", | |
3628 | ServerCertificate, cssmErrorString(err), (int)err); | |
3629 | goto cleanup; | |
4a4b4f99 MS |
3630 | } |
3631 | ||
b86bc4cf | 3632 | # else |
3633 | /* | |
3634 | * Assume there is exactly one SecIdentity in the keychain... | |
3635 | */ | |
3636 | ||
c7017ecc MS |
3637 | if ((err = SecIdentitySearchCreate(keychain, CSSM_KEYUSE_SIGN, &search))) |
3638 | { | |
b86bc4cf | 3639 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
c7017ecc MS |
3640 | "Cannot create identity search reference (%d)", (int)err); |
3641 | goto cleanup; | |
3642 | } | |
3643 | ||
3644 | if ((err = SecIdentitySearchCopyNext(search, &identity))) | |
b86bc4cf | 3645 | { |
c7017ecc MS |
3646 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3647 | "Cannot find signing key in keychain \"%s\": %s (%d)", | |
3648 | ServerCertificate, cssmErrorString(err), (int)err); | |
3649 | goto cleanup; | |
3650 | } | |
3651 | # endif /* HAVE_SECPOLICYCREATESSL */ | |
ef416fc2 | 3652 | |
c7017ecc MS |
3653 | if (CFGetTypeID(identity) != SecIdentityGetTypeID()) |
3654 | { | |
3655 | cupsdLogMessage(CUPSD_LOG_ERROR, "SecIdentity CFTypeID failure!"); | |
3656 | goto cleanup; | |
3657 | } | |
ef416fc2 | 3658 | |
c7017ecc MS |
3659 | if ((certificates = CFArrayCreate(NULL, (const void **)&identity, |
3660 | 1, &kCFTypeArrayCallBacks)) == NULL) | |
3661 | { | |
3662 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array"); | |
3663 | goto cleanup; | |
ef416fc2 | 3664 | } |
3665 | ||
c7017ecc MS |
3666 | cleanup : |
3667 | ||
3668 | if (keychain) | |
3669 | CFRelease(keychain); | |
3670 | if (search) | |
3671 | CFRelease(search); | |
3672 | if (identity) | |
3673 | CFRelease(identity); | |
3674 | ||
3675 | # if HAVE_SECPOLICYCREATESSL | |
3676 | if (policy) | |
3677 | CFRelease(policy); | |
3678 | if (query) | |
3679 | CFRelease(query); | |
c7017ecc MS |
3680 | # elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY) |
3681 | if (policy) | |
3682 | CFRelease(policy); | |
3683 | if (policy_search) | |
3684 | CFRelease(policy_search); | |
3685 | # endif /* HAVE_SECPOLICYCREATESSL */ | |
b86bc4cf | 3686 | |
3687 | return (certificates); | |
ef416fc2 | 3688 | } |
3689 | #endif /* HAVE_CDSASSL */ | |
3690 | ||
3691 | ||
3692 | /* | |
3693 | * 'get_file()' - Get a filename and state info. | |
3694 | */ | |
3695 | ||
3696 | static char * /* O - Real filename */ | |
3697 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
3698 | struct stat *filestats, /* O - File information */ | |
3699 | char *filename, /* IO - Filename buffer */ | |
3700 | int len) /* I - Buffer length */ | |
3701 | { | |
3702 | int status; /* Status of filesystem calls */ | |
3703 | char *ptr; /* Pointer info filename */ | |
3704 | int plen; /* Remaining length after pointer */ | |
db1f069b | 3705 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 3706 | |
3707 | ||
3708 | /* | |
f7deaa1a | 3709 | * Figure out the real filename... |
ef416fc2 | 3710 | */ |
3711 | ||
db1f069b MS |
3712 | language[0] = '\0'; |
3713 | ||
7cf5915e | 3714 | if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/')) |
ef416fc2 | 3715 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
7cf5915e MS |
3716 | else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/')) |
3717 | { | |
3718 | snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7); | |
3719 | if (access(filename, F_OK) < 0) | |
3720 | snprintf(filename, len, "%s/images/generic.png", DocumentRoot); | |
3721 | } | |
f7deaa1a | 3722 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
3723 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 3724 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
3725 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
3726 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
3727 | { | |
2e4ff8af | 3728 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 3729 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 3730 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 3731 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 3732 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 3733 | strlcpy(filename, PageLog, len); |
3734 | else | |
3735 | return (NULL); | |
3736 | } | |
d6ae789d | 3737 | else if (con->language) |
db1f069b MS |
3738 | { |
3739 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
3740 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3741 | } | |
ef416fc2 | 3742 | else |
3743 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
3744 | ||
3745 | if ((ptr = strchr(filename, '?')) != NULL) | |
3746 | *ptr = '\0'; | |
3747 | ||
3748 | /* | |
3749 | * Grab the status for this language; if there isn't a language-specific file | |
3750 | * then fallback to the default one... | |
3751 | */ | |
3752 | ||
db1f069b | 3753 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
7cf5915e | 3754 | strncmp(con->uri, "/icons/", 7) && |
d6ae789d | 3755 | strncmp(con->uri, "/ppd/", 5) && |
7cf5915e | 3756 | strncmp(con->uri, "/rss/", 5) && |
d6ae789d | 3757 | strncmp(con->uri, "/admin/conf/", 12) && |
3758 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 3759 | { |
3760 | /* | |
d6ae789d | 3761 | * Drop the country code... |
ef416fc2 | 3762 | */ |
3763 | ||
db1f069b MS |
3764 | language[3] = '\0'; |
3765 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 3766 | |
3767 | if ((ptr = strchr(filename, '?')) != NULL) | |
3768 | *ptr = '\0'; | |
3769 | ||
3770 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 3771 | { |
d6ae789d | 3772 | /* |
3773 | * Drop the language prefix and try the root directory... | |
3774 | */ | |
3775 | ||
db1f069b | 3776 | language[0] = '\0'; |
ef416fc2 | 3777 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
3778 | ||
3779 | if ((ptr = strchr(filename, '?')) != NULL) | |
3780 | *ptr = '\0'; | |
3781 | ||
3782 | status = stat(filename, filestats); | |
3783 | } | |
3784 | } | |
3785 | ||
3786 | /* | |
3787 | * If we're found a directory, get the index.html file instead... | |
3788 | */ | |
3789 | ||
3790 | if (!status && S_ISDIR(filestats->st_mode)) | |
3791 | { | |
db1f069b MS |
3792 | /* |
3793 | * Make sure the URI ends with a slash... | |
3794 | */ | |
ef416fc2 | 3795 | |
db1f069b MS |
3796 | if (con->uri[strlen(con->uri) - 1] != '/') |
3797 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3798 | |
db1f069b MS |
3799 | /* |
3800 | * Find the directory index file, trying every language... | |
3801 | */ | |
ef416fc2 | 3802 | |
db1f069b | 3803 | do |
ef416fc2 | 3804 | { |
db1f069b MS |
3805 | if (status && language[0]) |
3806 | { | |
3807 | /* | |
3808 | * Try a different language subset... | |
3809 | */ | |
3810 | ||
3811 | if (language[3]) | |
3812 | language[0] = '\0'; /* Strip country code */ | |
3813 | else | |
3814 | language[0] = '\0'; /* Strip language */ | |
3815 | } | |
3816 | ||
3817 | /* | |
3818 | * Look for the index file... | |
3819 | */ | |
3820 | ||
3821 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3822 | ||
3823 | if ((ptr = strchr(filename, '?')) != NULL) | |
3824 | *ptr = '\0'; | |
3825 | ||
3826 | ptr = filename + strlen(filename); | |
3827 | plen = len - (ptr - filename); | |
3828 | ||
3829 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3830 | status = stat(filename, filestats); |
db1f069b MS |
3831 | |
3832 | #ifdef HAVE_JAVA | |
3833 | if (status) | |
3834 | { | |
3835 | strlcpy(ptr, "index.class", plen); | |
3836 | status = stat(filename, filestats); | |
3837 | } | |
ef416fc2 | 3838 | #endif /* HAVE_JAVA */ |
3839 | ||
3840 | #ifdef HAVE_PERL | |
db1f069b MS |
3841 | if (status) |
3842 | { | |
3843 | strlcpy(ptr, "index.pl", plen); | |
3844 | status = stat(filename, filestats); | |
3845 | } | |
ef416fc2 | 3846 | #endif /* HAVE_PERL */ |
3847 | ||
3848 | #ifdef HAVE_PHP | |
db1f069b MS |
3849 | if (status) |
3850 | { | |
3851 | strlcpy(ptr, "index.php", plen); | |
3852 | status = stat(filename, filestats); | |
3853 | } | |
ef416fc2 | 3854 | #endif /* HAVE_PHP */ |
3855 | ||
3856 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3857 | if (status) |
3858 | { | |
3859 | strlcpy(ptr, "index.pyc", plen); | |
3860 | status = stat(filename, filestats); | |
3861 | } | |
ef416fc2 | 3862 | |
db1f069b MS |
3863 | if (status) |
3864 | { | |
3865 | strlcpy(ptr, "index.py", plen); | |
3866 | status = stat(filename, filestats); | |
3867 | } | |
ef416fc2 | 3868 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3869 | |
3870 | } | |
3871 | while (status && language[0]); | |
ef416fc2 | 3872 | } |
3873 | ||
b9faaae1 MS |
3874 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
3875 | "get_file(con=%p(%d), filestats=%p, filename=%p, len=%d) = " | |
3876 | "%s", con, con->http.fd, filestats, filename, len, | |
3877 | status ? "(null)" : filename); | |
ef416fc2 | 3878 | |
ef416fc2 | 3879 | if (status) |
3880 | return (NULL); | |
3881 | else | |
3882 | return (filename); | |
3883 | } | |
3884 | ||
3885 | ||
3886 | /* | |
3887 | * 'install_conf_file()' - Install a configuration file. | |
3888 | */ | |
3889 | ||
3890 | static http_status_t /* O - Status */ | |
3891 | install_conf_file(cupsd_client_t *con) /* I - Connection */ | |
3892 | { | |
3893 | cups_file_t *in, /* Input file */ | |
3894 | *out; /* Output file */ | |
3895 | char buffer[1024]; /* Copy buffer */ | |
3896 | int bytes; /* Number of bytes */ | |
3897 | char conffile[1024], /* Configuration filename */ | |
3898 | newfile[1024], /* New config filename */ | |
3899 | oldfile[1024]; /* Old config filename */ | |
3900 | struct stat confinfo; /* Config file info */ | |
3901 | ||
3902 | ||
3903 | /* | |
3904 | * First construct the filenames... | |
3905 | */ | |
3906 | ||
3907 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
3908 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
3909 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
3910 | ||
3911 | cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile); | |
3912 | ||
3913 | /* | |
3914 | * Get the owner, group, and permissions of the configuration file. | |
3915 | * If it doesn't exist, assign it to the User and Group in the | |
3916 | * cupsd.conf file with mode 0640 permissions. | |
3917 | */ | |
3918 | ||
3919 | if (stat(conffile, &confinfo)) | |
3920 | { | |
3921 | confinfo.st_uid = User; | |
3922 | confinfo.st_gid = Group; | |
3923 | confinfo.st_mode = ConfigFilePerm; | |
3924 | } | |
3925 | ||
3926 | /* | |
3927 | * Open the request file and new config file... | |
3928 | */ | |
3929 | ||
3930 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) | |
3931 | { | |
3932 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s", | |
3933 | con->filename, strerror(errno)); | |
3934 | return (HTTP_SERVER_ERROR); | |
3935 | } | |
3936 | ||
3937 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) | |
3938 | { | |
3939 | cupsFileClose(in); | |
3940 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s", | |
3941 | newfile, strerror(errno)); | |
3942 | return (HTTP_SERVER_ERROR); | |
3943 | } | |
3944 | ||
3945 | fchmod(cupsFileNumber(out), confinfo.st_mode); | |
3946 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
3947 | ||
3948 | /* | |
3949 | * Copy from the request to the new config file... | |
3950 | */ | |
3951 | ||
3952 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3953 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3954 | { | |
3955 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3956 | "Unable to copy to config file \"%s\" - %s", | |
3957 | newfile, strerror(errno)); | |
3958 | ||
3959 | cupsFileClose(in); | |
3960 | cupsFileClose(out); | |
3961 | unlink(newfile); | |
3962 | ||
3963 | return (HTTP_SERVER_ERROR); | |
3964 | } | |
3965 | ||
3966 | /* | |
3967 | * Close the files... | |
3968 | */ | |
3969 | ||
3970 | cupsFileClose(in); | |
3971 | if (cupsFileClose(out)) | |
3972 | { | |
3973 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3974 | "Error file closing config file \"%s\" - %s", | |
3975 | newfile, strerror(errno)); | |
3976 | ||
3977 | unlink(newfile); | |
3978 | ||
3979 | return (HTTP_SERVER_ERROR); | |
3980 | } | |
3981 | ||
3982 | /* | |
3983 | * Remove the request file... | |
3984 | */ | |
3985 | ||
3986 | unlink(con->filename); | |
3987 | cupsdClearString(&con->filename); | |
3988 | ||
3989 | /* | |
3990 | * Unlink the old backup, rename the current config file to the backup | |
3991 | * filename, and rename the new config file to the config file name... | |
3992 | */ | |
3993 | ||
3994 | if (unlink(oldfile)) | |
3995 | if (errno != ENOENT) | |
3996 | { | |
3997 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3998 | "Unable to remove backup config file \"%s\" - %s", | |
3999 | oldfile, strerror(errno)); | |
4000 | ||
4001 | unlink(newfile); | |
4002 | ||
4003 | return (HTTP_SERVER_ERROR); | |
4004 | } | |
4005 | ||
4006 | if (rename(conffile, oldfile)) | |
4007 | if (errno != ENOENT) | |
4008 | { | |
4009 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4010 | "Unable to rename old config file \"%s\" - %s", | |
4011 | conffile, strerror(errno)); | |
4012 | ||
4013 | unlink(newfile); | |
4014 | ||
4015 | return (HTTP_SERVER_ERROR); | |
4016 | } | |
4017 | ||
4018 | if (rename(newfile, conffile)) | |
4019 | { | |
4020 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4021 | "Unable to rename new config file \"%s\" - %s", | |
4022 | newfile, strerror(errno)); | |
4023 | ||
4024 | rename(oldfile, conffile); | |
4025 | unlink(newfile); | |
4026 | ||
4027 | return (HTTP_SERVER_ERROR); | |
4028 | } | |
4029 | ||
4030 | /* | |
4031 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
4032 | */ | |
4033 | ||
4034 | if (!strcmp(con->uri, "/admin/conf/cupsd.conf")) | |
4035 | NeedReload = RELOAD_CUPSD; | |
4036 | else | |
4037 | NeedReload = RELOAD_ALL; | |
4038 | ||
4039 | ReloadTime = time(NULL); | |
4040 | ||
4041 | /* | |
4042 | * Return that the file was created successfully... | |
4043 | */ | |
4044 | ||
4045 | return (HTTP_CREATED); | |
4046 | } | |
4047 | ||
4048 | ||
e1d6a774 | 4049 | /* |
4050 | * 'is_cgi()' - Is the resource a CGI script/program? | |
4051 | */ | |
4052 | ||
4053 | static int /* O - 1 = CGI, 0 = file */ | |
4054 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
4055 | const char *filename, /* I - Real filename */ | |
4056 | struct stat *filestats, /* I - File information */ | |
4057 | mime_type_t *type) /* I - MIME type */ | |
4058 | { | |
4059 | const char *options; /* Options on URL */ | |
4060 | ||
4061 | ||
e1d6a774 | 4062 | /* |
4063 | * Get the options, if any... | |
4064 | */ | |
4065 | ||
4066 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
4067 | { |
4068 | options ++; | |
4069 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
4070 | } | |
b86bc4cf | 4071 | |
e1d6a774 | 4072 | /* |
4073 | * Check for known types... | |
4074 | */ | |
4075 | ||
4076 | if (!type || strcasecmp(type->super, "application")) | |
4077 | { | |
b9faaae1 MS |
4078 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
4079 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " | |
4080 | "type=%s/%s) = 0", con, con->http.fd, filename, filestats, | |
4081 | type ? type->super : "unknown", | |
4082 | type ? type->type : "unknown"); | |
e1d6a774 | 4083 | return (0); |
4084 | } | |
4085 | ||
4086 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
4087 | (filestats->st_mode & 0111)) | |
4088 | { | |
4089 | /* | |
4090 | * "application/x-httpd-cgi" is a CGI script. | |
4091 | */ | |
4092 | ||
4093 | cupsdSetString(&con->command, filename); | |
4094 | ||
a0f6818e MS |
4095 | if (options) |
4096 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 4097 | |
4098 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4099 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " |
4100 | "type=%s/%s) = 1", con, con->http.fd, filename, filestats, | |
4101 | type ? type->super : "unknown", | |
4102 | type ? type->type : "unknown"); | |
e1d6a774 | 4103 | return (1); |
4104 | } | |
4105 | #ifdef HAVE_JAVA | |
4106 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
4107 | { | |
4108 | /* | |
4109 | * "application/x-httpd-java" is a Java servlet. | |
4110 | */ | |
4111 | ||
4112 | cupsdSetString(&con->command, CUPS_JAVA); | |
4113 | ||
4114 | if (options) | |
b94498cf | 4115 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 4116 | else |
b94498cf | 4117 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 4118 | |
4119 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4120 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " |
4121 | "type=%s/%s) = 1", con, con->http.fd, filename, filestats, | |
4122 | type ? type->super : "unknown", | |
4123 | type ? type->type : "unknown"); | |
e1d6a774 | 4124 | return (1); |
4125 | } | |
4126 | #endif /* HAVE_JAVA */ | |
4127 | #ifdef HAVE_PERL | |
4128 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
4129 | { | |
4130 | /* | |
4131 | * "application/x-httpd-perl" is a Perl page. | |
4132 | */ | |
4133 | ||
4134 | cupsdSetString(&con->command, CUPS_PERL); | |
4135 | ||
4136 | if (options) | |
b94498cf | 4137 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 4138 | else |
b94498cf | 4139 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 4140 | |
4141 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4142 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " |
4143 | "type=%s/%s) = 1", con, con->http.fd, filename, filestats, | |
4144 | type ? type->super : "unknown", | |
4145 | type ? type->type : "unknown"); | |
e1d6a774 | 4146 | return (1); |
4147 | } | |
4148 | #endif /* HAVE_PERL */ | |
4149 | #ifdef HAVE_PHP | |
4150 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
4151 | { | |
4152 | /* | |
4153 | * "application/x-httpd-php" is a PHP page. | |
4154 | */ | |
4155 | ||
4156 | cupsdSetString(&con->command, CUPS_PHP); | |
4157 | ||
4158 | if (options) | |
b94498cf | 4159 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 4160 | else |
b94498cf | 4161 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 4162 | |
4163 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4164 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " |
4165 | "type=%s/%s) = 1", con, con->http.fd, filename, filestats, | |
4166 | type ? type->super : "unknown", | |
4167 | type ? type->type : "unknown"); | |
e1d6a774 | 4168 | return (1); |
4169 | } | |
4170 | #endif /* HAVE_PHP */ | |
4171 | #ifdef HAVE_PYTHON | |
4172 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
4173 | { | |
4174 | /* | |
4175 | * "application/x-httpd-python" is a Python page. | |
4176 | */ | |
4177 | ||
4178 | cupsdSetString(&con->command, CUPS_PYTHON); | |
4179 | ||
4180 | if (options) | |
b94498cf | 4181 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 4182 | else |
b94498cf | 4183 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 4184 | |
4185 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4186 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " |
4187 | "type=%s/%s) = 1", con, con->http.fd, filename, filestats, | |
4188 | type ? type->super : "unknown", | |
4189 | type ? type->type : "unknown"); | |
e1d6a774 | 4190 | return (1); |
4191 | } | |
4192 | #endif /* HAVE_PYTHON */ | |
4193 | ||
b9faaae1 MS |
4194 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
4195 | "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, " | |
4196 | "type=%s/%s) = 0", con, con->http.fd, filename, filestats, | |
4197 | type ? type->super : "unknown", | |
4198 | type ? type->type : "unknown"); | |
e1d6a774 | 4199 | return (0); |
4200 | } | |
4201 | ||
4202 | ||
ef416fc2 | 4203 | /* |
4204 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
4205 | */ | |
4206 | ||
4207 | static int /* O - 0 if relative, 1 if absolute */ | |
4208 | is_path_absolute(const char *path) /* I - Input path */ | |
4209 | { | |
4210 | /* | |
4211 | * Check for a leading slash... | |
4212 | */ | |
4213 | ||
4214 | if (path[0] != '/') | |
4215 | return (0); | |
4216 | ||
4217 | /* | |
4218 | * Check for "/.." in the path... | |
4219 | */ | |
4220 | ||
4221 | while ((path = strstr(path, "/..")) != NULL) | |
4222 | { | |
4223 | if (!path[3] || path[3] == '/') | |
4224 | return (0); | |
4225 | ||
4226 | path ++; | |
4227 | } | |
4228 | ||
4229 | /* | |
4230 | * If we haven't found any relative paths, return 1 indicating an | |
4231 | * absolute path... | |
4232 | */ | |
4233 | ||
4234 | return (1); | |
4235 | } | |
4236 | ||
4237 | ||
8ca02f3c | 4238 | #ifdef HAVE_SSL |
4744bd90 | 4239 | /* |
4240 | * 'make_certificate()' - Make a self-signed SSL/TLS certificate. | |
4241 | */ | |
4242 | ||
8ca02f3c | 4243 | static int /* O - 1 on success, 0 on failure */ |
b86bc4cf | 4244 | make_certificate(cupsd_client_t *con) /* I - Client connection */ |
4744bd90 | 4245 | { |
8ca02f3c | 4246 | #if defined(HAVE_LIBSSL) && defined(HAVE_WAITPID) |
d09495fa | 4247 | int pid, /* Process ID of command */ |
4248 | status; /* Status of command */ | |
4249 | char command[1024], /* Command */ | |
f7deaa1a | 4250 | *argv[12], /* Command-line arguments */ |
d09495fa | 4251 | *envp[MAX_ENV + 1], /* Environment variables */ |
d09495fa | 4252 | infofile[1024], /* Type-in information for cert */ |
4253 | seedfile[1024]; /* Random number seed file */ | |
4254 | int envc, /* Number of environment variables */ | |
4255 | bytes; /* Bytes written */ | |
4256 | cups_file_t *fp; /* Seed/info file */ | |
4257 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 4258 | |
4259 | ||
4260 | /* | |
d09495fa | 4261 | * Run the "openssl" command to seed the random number generator and |
4262 | * generate a self-signed certificate that is good for 10 years: | |
4263 | * | |
4264 | * openssl rand -rand seedfile 1 | |
8ca02f3c | 4265 | * |
4266 | * openssl req -new -x509 -keyout ServerKey \ | |
4267 | * -out ServerCertificate -days 3650 -nodes | |
d09495fa | 4268 | * |
4269 | * The seeding step is crucial in ensuring that the openssl command | |
4270 | * does not block on systems without sufficient entropy... | |
8ca02f3c | 4271 | */ |
4272 | ||
4273 | if (!cupsFileFind("openssl", getenv("PATH"), 1, command, sizeof(command))) | |
4274 | { | |
4275 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4276 | "No SSL certificate and openssl command not found!"); | |
4277 | return (0); | |
4278 | } | |
4279 | ||
d09495fa | 4280 | if (access("/dev/urandom", 0)) |
4281 | { | |
4282 | /* | |
4283 | * If the system doesn't provide /dev/urandom, then any random source | |
4284 | * will probably be blocking-style, so generate some random data to | |
4285 | * use as a seed for the certificate. Note that we have already | |
4286 | * seeded the random number generator in cupsdInitCerts()... | |
4287 | */ | |
4288 | ||
4289 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4290 | "Seeding the random number generator..."); | |
4291 | ||
d09495fa | 4292 | /* |
4293 | * Write the seed file... | |
4294 | */ | |
4295 | ||
4296 | if ((fp = cupsTempFile2(seedfile, sizeof(seedfile))) == NULL) | |
4297 | { | |
4298 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create seed file %s - %s", | |
4299 | seedfile, strerror(errno)); | |
4300 | return (0); | |
4301 | } | |
4302 | ||
4303 | for (bytes = 0; bytes < 262144; bytes ++) | |
4304 | cupsFilePutChar(fp, random()); | |
4305 | ||
4306 | cupsFileClose(fp); | |
4307 | ||
4308 | /* | |
4309 | * Run the openssl command to seed its random number generator... | |
4310 | */ | |
4311 | ||
4312 | argv[0] = "openssl"; | |
4313 | argv[1] = "rand"; | |
4314 | argv[2] = "-rand"; | |
4315 | argv[3] = seedfile; | |
4316 | argv[4] = "1"; | |
4317 | argv[5] = NULL; | |
4318 | ||
4319 | envc = cupsdLoadEnv(envp, MAX_ENV); | |
acb056cb | 4320 | envp[envc] = NULL; |
d09495fa | 4321 | |
f11a948a | 4322 | if (!cupsdStartProcess(command, argv, envp, -1, -1, -1, -1, -1, 1, NULL, |
38e73f87 | 4323 | NULL, &pid)) |
d09495fa | 4324 | { |
4325 | unlink(seedfile); | |
4326 | return (0); | |
4327 | } | |
4328 | ||
4329 | while (waitpid(pid, &status, 0) < 0) | |
4330 | if (errno != EINTR) | |
4331 | { | |
4332 | status = 1; | |
4333 | break; | |
4334 | } | |
4335 | ||
b9faaae1 | 4336 | cupsdFinishProcess(pid, command, sizeof(command), NULL); |
d09495fa | 4337 | |
4338 | /* | |
4339 | * Remove the seed file, as it is no longer needed... | |
4340 | */ | |
4341 | ||
4342 | unlink(seedfile); | |
4343 | ||
4344 | if (status) | |
4345 | { | |
4346 | if (WIFEXITED(status)) | |
4347 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4348 | "Unable to seed random number generator - " | |
4349 | "the openssl command stopped with status %d!", | |
4350 | WEXITSTATUS(status)); | |
4351 | else | |
4352 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4353 | "Unable to seed random number generator - " | |
4354 | "the openssl command crashed on signal %d!", | |
4355 | WTERMSIG(status)); | |
4356 | ||
4357 | return (0); | |
4358 | } | |
4359 | } | |
4360 | ||
4361 | /* | |
4362 | * Create a file with the certificate information fields... | |
4363 | * | |
4364 | * Note: This assumes that the default questions are asked by the openssl | |
4365 | * command... | |
4366 | */ | |
4367 | ||
4368 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
4369 | { | |
4370 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4371 | "Unable to create certificate information file %s - %s", | |
4372 | infofile, strerror(errno)); | |
4373 | return (0); | |
4374 | } | |
4375 | ||
4376 | cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n", | |
4377 | ServerName, ServerName, ServerAdmin); | |
4378 | cupsFileClose(fp); | |
4379 | ||
8ca02f3c | 4380 | cupsdLogMessage(CUPSD_LOG_INFO, |
4381 | "Generating SSL server key and certificate..."); | |
4382 | ||
4383 | argv[0] = "openssl"; | |
4384 | argv[1] = "req"; | |
4385 | argv[2] = "-new"; | |
4386 | argv[3] = "-x509"; | |
4387 | argv[4] = "-keyout"; | |
4388 | argv[5] = ServerKey; | |
4389 | argv[6] = "-out"; | |
4390 | argv[7] = ServerCertificate; | |
4391 | argv[8] = "-days"; | |
4392 | argv[9] = "3650"; | |
4393 | argv[10] = "-nodes"; | |
4394 | argv[11] = NULL; | |
4395 | ||
4396 | cupsdLoadEnv(envp, MAX_ENV); | |
4397 | ||
d09495fa | 4398 | infofd = open(infofile, O_RDONLY); |
4399 | ||
a4924f6c | 4400 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL, |
38e73f87 | 4401 | NULL, &pid)) |
d09495fa | 4402 | { |
4403 | close(infofd); | |
4404 | unlink(infofile); | |
8ca02f3c | 4405 | return (0); |
d09495fa | 4406 | } |
4407 | ||
4408 | close(infofd); | |
4409 | unlink(infofile); | |
8ca02f3c | 4410 | |
4411 | while (waitpid(pid, &status, 0) < 0) | |
4412 | if (errno != EINTR) | |
4413 | { | |
4414 | status = 1; | |
4415 | break; | |
4416 | } | |
4417 | ||
b9faaae1 | 4418 | cupsdFinishProcess(pid, command, sizeof(command), NULL); |
8ca02f3c | 4419 | |
4420 | if (status) | |
4421 | { | |
4422 | if (WIFEXITED(status)) | |
4423 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4424 | "Unable to create SSL server key and certificate - " | |
4425 | "the openssl command stopped with status %d!", | |
4426 | WEXITSTATUS(status)); | |
4427 | else | |
4428 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4429 | "Unable to create SSL server key and certificate - " | |
4430 | "the openssl command crashed on signal %d!", | |
4431 | WTERMSIG(status)); | |
4432 | } | |
4433 | else | |
4434 | { | |
4435 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", | |
4436 | ServerKey); | |
4437 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4438 | "Created SSL server certificate file \"%s\"...", | |
4439 | ServerCertificate); | |
4440 | } | |
4441 | ||
4442 | return (!status); | |
4443 | ||
4444 | #elif defined(HAVE_GNUTLS) | |
4744bd90 | 4445 | gnutls_x509_crt crt; /* Self-signed certificate */ |
4446 | gnutls_x509_privkey key; /* Encryption key */ | |
4447 | cups_lang_t *language; /* Default language info */ | |
4448 | cups_file_t *fp; /* Key/cert file */ | |
4449 | unsigned char buffer[8192]; /* Buffer for x509 data */ | |
4450 | size_t bytes; /* Number of bytes of data */ | |
4451 | unsigned char serial[4]; /* Serial number buffer */ | |
4452 | time_t curtime; /* Current time */ | |
4453 | int result; /* Result of GNU TLS calls */ | |
4454 | ||
4455 | ||
4456 | /* | |
4457 | * Create the encryption key... | |
4458 | */ | |
4459 | ||
8ca02f3c | 4460 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key..."); |
4744bd90 | 4461 | |
4462 | gnutls_x509_privkey_init(&key); | |
4463 | gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0); | |
4464 | ||
4465 | /* | |
4466 | * Save it... | |
4467 | */ | |
4468 | ||
4469 | bytes = sizeof(buffer); | |
4470 | ||
4471 | if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM, | |
4472 | buffer, &bytes)) < 0) | |
4473 | { | |
8ca02f3c | 4474 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s", |
4744bd90 | 4475 | gnutls_strerror(result)); |
4476 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4477 | return (0); |
4744bd90 | 4478 | } |
4479 | else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL) | |
4480 | { | |
4481 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4482 | cupsFileClose(fp); | |
4483 | ||
8ca02f3c | 4484 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", |
4744bd90 | 4485 | ServerKey); |
4486 | } | |
4487 | else | |
4488 | { | |
4489 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4490 | "Unable to create SSL server key file \"%s\" - %s", |
4744bd90 | 4491 | ServerKey, strerror(errno)); |
4492 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4493 | return (0); |
4744bd90 | 4494 | } |
4495 | ||
4496 | /* | |
4497 | * Create the self-signed certificate... | |
4498 | */ | |
4499 | ||
8ca02f3c | 4500 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate..."); |
4744bd90 | 4501 | |
4502 | language = cupsLangDefault(); | |
4503 | curtime = time(NULL); | |
4504 | serial[0] = curtime >> 24; | |
4505 | serial[1] = curtime >> 16; | |
4506 | serial[2] = curtime >> 8; | |
4507 | serial[3] = curtime; | |
4508 | ||
4509 | gnutls_x509_crt_init(&crt); | |
4510 | if (strlen(language->language) == 5) | |
4511 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4512 | language->language + 3, 2); | |
4513 | else | |
4514 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4515 | "US", 2); | |
4516 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0, | |
4517 | ServerName, strlen(ServerName)); | |
4518 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATION_NAME, 0, | |
4519 | ServerName, strlen(ServerName)); | |
4520 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, | |
4521 | 0, "Unknown", 7); | |
4522 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0, | |
4523 | "Unknown", 7); | |
4524 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_LOCALITY_NAME, 0, | |
4525 | "Unknown", 7); | |
4526 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_PKCS9_EMAIL, 0, | |
4527 | ServerAdmin, strlen(ServerAdmin)); | |
4528 | gnutls_x509_crt_set_key(crt, key); | |
4529 | gnutls_x509_crt_set_serial(crt, serial, sizeof(serial)); | |
4530 | gnutls_x509_crt_set_activation_time(crt, curtime); | |
4531 | gnutls_x509_crt_set_expiration_time(crt, curtime + 10 * 365 * 86400); | |
4532 | gnutls_x509_crt_set_ca_status(crt, 0); | |
4533 | gnutls_x509_crt_set_subject_alternative_name(crt, GNUTLS_SAN_DNSNAME, | |
4534 | ServerName); | |
4535 | gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0); | |
4536 | gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_KEY_ENCIPHERMENT); | |
4537 | gnutls_x509_crt_set_version(crt, 3); | |
4538 | ||
4539 | bytes = sizeof(buffer); | |
4540 | if (gnutls_x509_crt_get_key_id(crt, 0, buffer, &bytes) >= 0) | |
4541 | gnutls_x509_crt_set_subject_key_id(crt, buffer, bytes); | |
4542 | ||
4543 | gnutls_x509_crt_sign(crt, crt, key); | |
4544 | ||
4545 | /* | |
4546 | * Save it... | |
4547 | */ | |
4548 | ||
4549 | bytes = sizeof(buffer); | |
4550 | if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM, | |
4551 | buffer, &bytes)) < 0) | |
4552 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4553 | "Unable to export SSL server certificate - %s", |
4744bd90 | 4554 | gnutls_strerror(result)); |
4555 | else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL) | |
4556 | { | |
4557 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4558 | cupsFileClose(fp); | |
4559 | ||
4560 | cupsdLogMessage(CUPSD_LOG_INFO, | |
8ca02f3c | 4561 | "Created SSL server certificate file \"%s\"...", |
4744bd90 | 4562 | ServerCertificate); |
4563 | } | |
4564 | else | |
4565 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4566 | "Unable to create SSL server certificate file \"%s\" - %s", |
4744bd90 | 4567 | ServerCertificate, strerror(errno)); |
4568 | ||
4569 | /* | |
4570 | * Cleanup... | |
4571 | */ | |
4572 | ||
4573 | gnutls_x509_crt_deinit(crt); | |
4574 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4575 | |
4576 | return (1); | |
4577 | ||
4578 | #elif defined(HAVE_CDSASSL) && defined(HAVE_WAITPID) | |
b86bc4cf | 4579 | int pid, /* Process ID of command */ |
4580 | status; /* Status of command */ | |
4581 | char command[1024], /* Command */ | |
4582 | *argv[4], /* Command-line arguments */ | |
4583 | *envp[MAX_ENV + 1], /* Environment variables */ | |
4584 | keychain[1024], /* Keychain argument */ | |
10d09e33 MS |
4585 | infofile[1024], /* Type-in information for cert */ |
4586 | localname[1024], /* Local hostname */ | |
4587 | *servername; /* Name of server in cert */ | |
b86bc4cf | 4588 | cups_file_t *fp; /* Seed/info file */ |
4589 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 4590 | |
4591 | ||
10d09e33 MS |
4592 | if (con->servername && isdigit(con->servername[0] & 255) && DNSSDHostName) |
4593 | { | |
4594 | snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName); | |
4595 | servername = localname; | |
4596 | } | |
4597 | else | |
4598 | servername = con->servername; | |
4599 | ||
8ca02f3c | 4600 | /* |
b86bc4cf | 4601 | * Run the "certtool" command to generate a self-signed certificate... |
8ca02f3c | 4602 | */ |
4603 | ||
4604 | if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command))) | |
4605 | { | |
4606 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4607 | "No SSL certificate and certtool command not found!"); | |
4608 | return (0); | |
4609 | } | |
4610 | ||
b86bc4cf | 4611 | /* |
4612 | * Create a file with the certificate information fields... | |
4613 | * | |
4614 | * Note: This assumes that the default questions are asked by the certtool | |
4615 | * command... | |
4616 | */ | |
4617 | ||
4618 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
4619 | { | |
4620 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4621 | "Unable to create certificate information file %s - %s", | |
4622 | infofile, strerror(errno)); | |
4623 | return (0); | |
4624 | } | |
4625 | ||
7cf5915e | 4626 | cupsFilePrintf(fp, "%s\nr\n\ny\nb\ns\ny\n%s\n\n\n\n\n%s\ny\n", |
10d09e33 | 4627 | servername, servername, ServerAdmin); |
b86bc4cf | 4628 | cupsFileClose(fp); |
4629 | ||
8ca02f3c | 4630 | cupsdLogMessage(CUPSD_LOG_INFO, |
4631 | "Generating SSL server key and certificate..."); | |
4632 | ||
4633 | snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate); | |
4634 | ||
4635 | argv[0] = "certtool"; | |
4636 | argv[1] = "c"; | |
b86bc4cf | 4637 | argv[2] = keychain; |
4638 | argv[3] = NULL; | |
8ca02f3c | 4639 | |
4640 | cupsdLoadEnv(envp, MAX_ENV); | |
4641 | ||
b86bc4cf | 4642 | infofd = open(infofile, O_RDONLY); |
4643 | ||
a4924f6c | 4644 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL, |
38e73f87 | 4645 | NULL, &pid)) |
b86bc4cf | 4646 | { |
4647 | close(infofd); | |
4648 | unlink(infofile); | |
8ca02f3c | 4649 | return (0); |
b86bc4cf | 4650 | } |
4651 | ||
4652 | close(infofd); | |
4653 | unlink(infofile); | |
8ca02f3c | 4654 | |
4655 | while (waitpid(pid, &status, 0) < 0) | |
4656 | if (errno != EINTR) | |
4657 | { | |
4658 | status = 1; | |
4659 | break; | |
4660 | } | |
4661 | ||
b9faaae1 | 4662 | cupsdFinishProcess(pid, command, sizeof(command), NULL); |
8ca02f3c | 4663 | |
4664 | if (status) | |
4665 | { | |
4666 | if (WIFEXITED(status)) | |
4667 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4668 | "Unable to create SSL server key and certificate - " | |
4669 | "the certtool command stopped with status %d!", | |
4670 | WEXITSTATUS(status)); | |
4671 | else | |
4672 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4673 | "Unable to create SSL server key and certificate - " | |
4674 | "the certtool command crashed on signal %d!", | |
4675 | WTERMSIG(status)); | |
4676 | } | |
4677 | else | |
4678 | { | |
4679 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4680 | "Created SSL server certificate file \"%s\"...", | |
4681 | ServerCertificate); | |
4682 | } | |
4683 | ||
4684 | return (!status); | |
4685 | ||
4686 | #else | |
4687 | return (0); | |
4688 | #endif /* HAVE_LIBSSL && HAVE_WAITPID */ | |
4744bd90 | 4689 | } |
8ca02f3c | 4690 | #endif /* HAVE_SSL */ |
4744bd90 | 4691 | |
4692 | ||
ef416fc2 | 4693 | /* |
4694 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
4695 | */ | |
4696 | ||
4697 | static int /* O - Process ID */ | |
4698 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
4699 | int infile, /* I - Standard input for command */ | |
4700 | int *outfile, /* O - Standard output for command */ | |
4701 | char *command, /* I - Command to run */ | |
4702 | char *options, /* I - Options for command */ | |
4703 | int root) /* I - Run as root? */ | |
4704 | { | |
4705 | int i; /* Looping var */ | |
4706 | int pid; /* Process ID */ | |
b423cd4c | 4707 | char *commptr, /* Command string pointer */ |
4708 | commch; /* Command string character */ | |
ef416fc2 | 4709 | char *uriptr; /* URI string pointer */ |
4710 | int fds[2]; /* Pipe FDs */ | |
4711 | int argc; /* Number of arguments */ | |
4712 | int envc; /* Number of environment variables */ | |
4713 | char argbuf[10240], /* Argument buffer */ | |
4714 | *argv[100], /* Argument strings */ | |
b94498cf | 4715 | *envp[MAX_ENV + 20]; /* Environment variables */ |
c7017ecc | 4716 | char auth_type[256], /* AUTH_TYPE environment variable */ |
b94498cf | 4717 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 4718 | content_type[1024], /* CONTENT_TYPE environment variable */ |
4719 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 4720 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 4721 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
4722 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 4723 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 4724 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
4725 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
4726 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 4727 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 4728 | script_name[1024], /* SCRIPT_NAME environment variable */ |
4729 | server_name[1024], /* SERVER_NAME environment variable */ | |
4730 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 4731 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
e07d4801 | 4732 | void *ccache = NULL; /* Kerberos credentials */ |
ef416fc2 | 4733 | |
4734 | ||
4735 | /* | |
4736 | * Parse a copy of the options string, which is of the form: | |
4737 | * | |
b423cd4c | 4738 | * argument+argument+argument |
4739 | * ?argument+argument+argument | |
4740 | * param=value¶m=value | |
4741 | * ?param=value¶m=value | |
4742 | * /name?argument+argument+argument | |
4743 | * /name?param=value¶m=value | |
ef416fc2 | 4744 | * |
4745 | * If the string contains an "=" character after the initial name, | |
4746 | * then we treat it as a HTTP GET form request and make a copy of | |
4747 | * the remaining string for the environment variable. | |
4748 | * | |
4749 | * The string is always parsed out as command-line arguments, to | |
4750 | * be consistent with Apache... | |
4751 | */ | |
4752 | ||
4753 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b9faaae1 MS |
4754 | "pipe_command(con=%p(%d), infile=%d, outfile=%p, " |
4755 | "command=\"%s\", options=\"%s\", root=%d)", | |
4756 | con, con->http.fd, infile, outfile, command, | |
4757 | options ? options : "(null)", root); | |
ef416fc2 | 4758 | |
b86bc4cf | 4759 | argv[0] = command; |
ef416fc2 | 4760 | |
b423cd4c | 4761 | if (options) |
c7017ecc MS |
4762 | { |
4763 | commptr = options; | |
4764 | if (*commptr == ' ') | |
4765 | commptr ++; | |
4766 | strlcpy(argbuf, commptr, sizeof(argbuf)); | |
4767 | } | |
b423cd4c | 4768 | else |
4769 | argbuf[0] = '\0'; | |
4770 | ||
4771 | if (argbuf[0] == '/') | |
ef416fc2 | 4772 | { |
4773 | /* | |
b423cd4c | 4774 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 4775 | */ |
4776 | ||
b423cd4c | 4777 | if ((commptr = strchr(argbuf, '?')) == NULL) |
4778 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 4779 | |
b423cd4c | 4780 | commch = *commptr; |
4781 | *commptr = '\0'; | |
4782 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
4783 | *commptr = commch; | |
4784 | } | |
4785 | else | |
4786 | { | |
4787 | commptr = argbuf; | |
4788 | path_info[0] = '\0'; | |
b94498cf | 4789 | |
4790 | if (*commptr == ' ') | |
4791 | commptr ++; | |
b423cd4c | 4792 | } |
ef416fc2 | 4793 | |
b86bc4cf | 4794 | if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string) |
b423cd4c | 4795 | { |
4796 | commptr ++; | |
b86bc4cf | 4797 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 4798 | } |
ef416fc2 | 4799 | |
b423cd4c | 4800 | argc = 1; |
ef416fc2 | 4801 | |
b423cd4c | 4802 | if (*commptr) |
4803 | { | |
4804 | argv[argc ++] = commptr; | |
ef416fc2 | 4805 | |
b423cd4c | 4806 | for (; *commptr && argc < 99; commptr ++) |
4807 | { | |
ef416fc2 | 4808 | /* |
b423cd4c | 4809 | * Break arguments whenever we see a + or space... |
ef416fc2 | 4810 | */ |
4811 | ||
b423cd4c | 4812 | if (*commptr == ' ' || *commptr == '+') |
4813 | { | |
4814 | while (*commptr == ' ' || *commptr == '+') | |
4815 | *commptr++ = '\0'; | |
ef416fc2 | 4816 | |
b423cd4c | 4817 | /* |
4818 | * If we don't have a blank string, save it as another argument... | |
4819 | */ | |
ef416fc2 | 4820 | |
b423cd4c | 4821 | if (*commptr) |
4822 | { | |
4823 | argv[argc] = commptr; | |
4824 | argc ++; | |
4825 | } | |
4826 | else | |
4827 | break; | |
4828 | } | |
4829 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
4830 | isxdigit(commptr[2] & 255)) | |
4831 | { | |
4832 | /* | |
4833 | * Convert the %xx notation to the individual character. | |
4834 | */ | |
ef416fc2 | 4835 | |
b423cd4c | 4836 | if (commptr[1] >= '0' && commptr[1] <= '9') |
4837 | *commptr = (commptr[1] - '0') << 4; | |
4838 | else | |
4839 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 4840 | |
b423cd4c | 4841 | if (commptr[2] >= '0' && commptr[2] <= '9') |
4842 | *commptr |= commptr[2] - '0'; | |
4843 | else | |
4844 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 4845 | |
b423cd4c | 4846 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 4847 | |
b423cd4c | 4848 | /* |
4849 | * Check for a %00 and break if that is the case... | |
4850 | */ | |
ef416fc2 | 4851 | |
b423cd4c | 4852 | if (!*commptr) |
4853 | break; | |
4854 | } | |
ef416fc2 | 4855 | } |
4856 | } | |
4857 | ||
4858 | argv[argc] = NULL; | |
4859 | ||
ef416fc2 | 4860 | /* |
4861 | * Setup the environment variables as needed... | |
4862 | */ | |
4863 | ||
b94498cf | 4864 | if (con->username[0]) |
4865 | { | |
c7017ecc | 4866 | snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s", |
b94498cf | 4867 | httpGetField(HTTP(con), HTTP_FIELD_AUTHORIZATION)); |
4868 | ||
4869 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
4870 | *uriptr = '\0'; | |
4871 | } | |
4872 | else | |
4873 | auth_type[0] = '\0'; | |
4874 | ||
7dfedb92 MS |
4875 | if (con->request && |
4876 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
4877 | IPP_TAG_LANGUAGE)) != NULL) | |
4878 | { | |
4879 | switch (strlen(attr->values[0].string.text)) | |
4880 | { | |
4881 | default : | |
4882 | /* | |
4883 | * This is an unknown or badly formatted language code; use | |
4884 | * the POSIX locale... | |
4885 | */ | |
4886 | ||
4887 | strcpy(lang, "LANG=C"); | |
4888 | break; | |
4889 | ||
4890 | case 2 : | |
4891 | /* | |
4892 | * Just the language code (ll)... | |
4893 | */ | |
4894 | ||
4895 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
4896 | attr->values[0].string.text); | |
4897 | break; | |
4898 | ||
4899 | case 5 : | |
4900 | /* | |
4901 | * Language and country code (ll-cc)... | |
4902 | */ | |
4903 | ||
4904 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
4905 | attr->values[0].string.text[0], | |
4906 | attr->values[0].string.text[1], | |
4907 | toupper(attr->values[0].string.text[3] & 255), | |
4908 | toupper(attr->values[0].string.text[4] & 255)); | |
4909 | break; | |
4910 | } | |
4911 | } | |
4912 | else if (con->language) | |
4913 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 4914 | else |
4915 | strcpy(lang, "LANG=C"); | |
4916 | ||
4917 | strcpy(remote_addr, "REMOTE_ADDR="); | |
4918 | httpAddrString(con->http.hostaddr, remote_addr + 12, | |
4919 | sizeof(remote_addr) - 12); | |
4920 | ||
4921 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
4922 | con->http.hostname); | |
4923 | ||
4924 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
4925 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
4926 | *uriptr = '\0'; | |
4927 | ||
b94498cf | 4928 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
4929 | DocumentRoot, script_name + 12); | |
4930 | ||
ef416fc2 | 4931 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
4932 | ||
0268488e MS |
4933 | if (con->http.fields[HTTP_FIELD_HOST][0]) |
4934 | { | |
4935 | char *nameptr; /* Pointer to ":port" */ | |
4936 | ||
4937 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
4938 | con->http.fields[HTTP_FIELD_HOST]); | |
4939 | if ((nameptr = strrchr(server_name, ':')) != NULL && !strchr(nameptr, ']')) | |
4940 | *nameptr = '\0'; /* Strip trailing ":port" */ | |
4941 | } | |
4942 | else | |
4943 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
4944 | con->servername); | |
ef416fc2 | 4945 | |
4946 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
4947 | ||
b94498cf | 4948 | if (auth_type[0]) |
4949 | envp[envc ++] = auth_type; | |
4950 | ||
ef416fc2 | 4951 | envp[envc ++] = lang; |
4952 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 4953 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 4954 | envp[envc ++] = server_name; |
4955 | envp[envc ++] = server_port; | |
4956 | envp[envc ++] = remote_addr; | |
4957 | envp[envc ++] = remote_host; | |
4958 | envp[envc ++] = script_name; | |
b94498cf | 4959 | envp[envc ++] = script_filename; |
ef416fc2 | 4960 | |
b423cd4c | 4961 | if (path_info[0]) |
4962 | envp[envc ++] = path_info; | |
4963 | ||
ef416fc2 | 4964 | if (con->username[0]) |
4965 | { | |
4966 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
4967 | ||
4968 | envp[envc ++] = remote_user; | |
5bd77a73 MS |
4969 | |
4970 | /* | |
4971 | * Save Kerberos credentials, if any... | |
4972 | */ | |
4973 | ||
4974 | #ifdef HAVE_GSSAPI | |
e07d4801 MS |
4975 | if (con->gss_creds) |
4976 | ccache = cupsdCopyKrb5Creds(con); | |
5bd77a73 | 4977 | #endif /* HAVE_GSSAPI */ |
ef416fc2 | 4978 | } |
4979 | ||
4980 | if (con->http.version == HTTP_1_1) | |
4981 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
4982 | else if (con->http.version == HTTP_1_0) | |
4983 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
4984 | else | |
4985 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
4986 | ||
4987 | if (con->http.cookie) | |
4988 | { | |
4989 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
4990 | con->http.cookie); | |
4991 | envp[envc ++] = http_cookie; | |
4992 | } | |
4993 | ||
4994 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
4995 | { | |
4996 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
4997 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
4998 | envp[envc ++] = http_user_agent; | |
4999 | } | |
5000 | ||
f7deaa1a | 5001 | if (con->http.fields[HTTP_FIELD_REFERER][0]) |
5002 | { | |
5003 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
5004 | con->http.fields[HTTP_FIELD_REFERER]); | |
5005 | envp[envc ++] = http_referer; | |
5006 | } | |
5007 | ||
ef416fc2 | 5008 | if (con->operation == HTTP_GET) |
5009 | { | |
ef416fc2 | 5010 | envp[envc ++] = "REQUEST_METHOD=GET"; |
5011 | ||
b86bc4cf | 5012 | if (con->query_string) |
ef416fc2 | 5013 | { |
5014 | /* | |
5015 | * Add GET form variables after ?... | |
5016 | */ | |
5017 | ||
b86bc4cf | 5018 | envp[envc ++] = con->query_string; |
ef416fc2 | 5019 | } |
3dfe78b3 MS |
5020 | else |
5021 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 5022 | } |
5023 | else | |
5024 | { | |
e1d6a774 | 5025 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
5026 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 5027 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
5028 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
5029 | ||
5030 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
5031 | envp[envc ++] = content_length; | |
5032 | envp[envc ++] = content_type; | |
5033 | } | |
5034 | ||
5035 | /* | |
5036 | * Tell the CGI if we are using encryption... | |
5037 | */ | |
5038 | ||
a74454a7 | 5039 | if (con->http.tls) |
ef416fc2 | 5040 | envp[envc ++] = "HTTPS=ON"; |
5041 | ||
5042 | /* | |
5043 | * Terminate the environment array... | |
5044 | */ | |
5045 | ||
5046 | envp[envc] = NULL; | |
5047 | ||
38e73f87 | 5048 | if (LogLevel >= CUPSD_LOG_DEBUG) |
ef416fc2 | 5049 | { |
5050 | for (i = 0; i < argc; i ++) | |
38e73f87 MS |
5051 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
5052 | "[CGI] argv[%d] = \"%s\"", i, argv[i]); | |
ef416fc2 | 5053 | for (i = 0; i < envc; i ++) |
38e73f87 MS |
5054 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
5055 | "[CGI] envp[%d] = \"%s\"", i, envp[i]); | |
ef416fc2 | 5056 | } |
5057 | ||
5058 | /* | |
5059 | * Create a pipe for the output... | |
5060 | */ | |
5061 | ||
5062 | if (cupsdOpenPipe(fds)) | |
5063 | { | |
38e73f87 | 5064 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s", |
ef416fc2 | 5065 | argv[0], strerror(errno)); |
5066 | return (0); | |
5067 | } | |
5068 | ||
5069 | /* | |
5070 | * Then execute the command... | |
5071 | */ | |
5072 | ||
5073 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
38e73f87 | 5074 | -1, -1, root, DefaultProfile, NULL, &pid) < 0) |
ef416fc2 | 5075 | { |
5076 | /* | |
5077 | * Error - can't fork! | |
5078 | */ | |
5079 | ||
38e73f87 | 5080 | cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0], |
ef416fc2 | 5081 | strerror(errno)); |
5082 | ||
5083 | cupsdClosePipe(fds); | |
5084 | pid = 0; | |
5085 | } | |
5086 | else | |
5087 | { | |
5088 | /* | |
5089 | * Fork successful - return the PID... | |
5090 | */ | |
5091 | ||
5092 | if (con->username[0]) | |
5bd77a73 | 5093 | cupsdAddCert(pid, con->username, ccache); |
ef416fc2 | 5094 | |
38e73f87 | 5095 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid); |
ef416fc2 | 5096 | |
5097 | *outfile = fds[0]; | |
5098 | close(fds[1]); | |
5099 | } | |
5100 | ||
ef416fc2 | 5101 | return (pid); |
5102 | } | |
5103 | ||
5104 | ||
e07d4801 MS |
5105 | /* |
5106 | * 'valid_host()' - Is the Host: field valid? | |
5107 | */ | |
5108 | ||
5109 | static int /* O - 1 if valid, 0 if not */ | |
5110 | valid_host(cupsd_client_t *con) /* I - Client connection */ | |
5111 | { | |
5112 | cupsd_alias_t *a; /* Current alias */ | |
5113 | cupsd_netif_t *netif; /* Current network interface */ | |
5114 | const char *host, /* Host field */ | |
5115 | *end; /* End character */ | |
5116 | ||
5117 | ||
5118 | host = con->http.fields[HTTP_FIELD_HOST]; | |
5119 | ||
5120 | if (httpAddrLocalhost(con->http.hostaddr)) | |
5121 | { | |
5122 | /* | |
5123 | * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical | |
5124 | * addresses when accessing CUPS via the loopback interface... | |
5125 | */ | |
5126 | ||
5127 | return (!strcasecmp(host, "localhost") || | |
5128 | !strncasecmp(host, "localhost:", 10) || | |
5129 | !strcasecmp(host, "localhost.") || | |
5130 | !strncasecmp(host, "localhost.:", 11) || | |
5131 | #ifdef __linux | |
5132 | !strcasecmp(host, "localhost.localdomain") || | |
5133 | !strncasecmp(host, "localhost.localdomain:", 22) || | |
5134 | #endif /* __linux */ | |
5135 | !strcmp(host, "127.0.0.1") || | |
5136 | !strncmp(host, "127.0.0.1:", 10) || | |
5137 | !strcmp(host, "[::1]") || | |
5138 | !strncmp(host, "[::1]:", 6)); | |
5139 | } | |
5140 | ||
5141 | #ifdef HAVE_DNSSD | |
5142 | /* | |
5143 | * Check if the hostname is something.local (Bonjour); if so, allow it. | |
5144 | */ | |
5145 | ||
5146 | if ((end = strrchr(host, '.')) != NULL && | |
5147 | (!strcasecmp(end, ".local") || !strncasecmp(end, ".local:", 7) || | |
5148 | !strcasecmp(end, ".local.") || !strncasecmp(end, ".local.:", 8))) | |
5149 | return (1); | |
5150 | #endif /* HAVE_DNSSD */ | |
5151 | ||
5152 | /* | |
5153 | * Check if the hostname is an IP address... | |
5154 | */ | |
5155 | ||
5156 | if (isdigit(*host & 255) || *host == '[') | |
5157 | { | |
5158 | /* | |
5159 | * Possible IPv4/IPv6 address... | |
5160 | */ | |
5161 | ||
5162 | char temp[1024], /* Temporary string */ | |
5163 | *ptr; /* Pointer into temporary string */ | |
5164 | http_addrlist_t *addrlist; /* List of addresses */ | |
5165 | ||
5166 | ||
5167 | strlcpy(temp, host, sizeof(temp)); | |
5168 | if ((ptr = strrchr(temp, ':')) != NULL && !strchr(ptr, ']')) | |
5169 | *ptr = '\0'; /* Strip :port from host value */ | |
5170 | ||
5171 | if ((addrlist = httpAddrGetList(temp, AF_UNSPEC, NULL)) != NULL) | |
5172 | { | |
5173 | /* | |
5174 | * Good IPv4/IPv6 address... | |
5175 | */ | |
5176 | ||
5177 | httpAddrFreeList(addrlist); | |
5178 | return (1); | |
5179 | } | |
5180 | } | |
5181 | ||
5182 | /* | |
5183 | * Check for (alias) name matches... | |
5184 | */ | |
5185 | ||
5186 | for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias); | |
5187 | a; | |
5188 | a = (cupsd_alias_t *)cupsArrayNext(ServerAlias)) | |
5189 | { | |
5190 | /* | |
5191 | * "ServerAlias *" allows all host values through... | |
5192 | */ | |
5193 | ||
5194 | if (!strcmp(a->name, "*")) | |
5195 | return (1); | |
5196 | ||
5197 | if (!strncasecmp(host, a->name, a->namelen)) | |
5198 | { | |
5199 | /* | |
5200 | * Prefix matches; check the character at the end - it must be ":", ".", | |
5201 | * ".:", or nul... | |
5202 | */ | |
5203 | ||
5204 | end = host + a->namelen; | |
5205 | ||
5206 | if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':'))) | |
5207 | return (1); | |
5208 | } | |
5209 | } | |
5210 | ||
5211 | #ifdef HAVE_DNSSD | |
5212 | for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias); | |
5213 | a; | |
5214 | a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias)) | |
5215 | { | |
5216 | /* | |
5217 | * "ServerAlias *" allows all host values through... | |
5218 | */ | |
5219 | ||
5220 | if (!strcmp(a->name, "*")) | |
5221 | return (1); | |
5222 | ||
5223 | if (!strncasecmp(host, a->name, a->namelen)) | |
5224 | { | |
5225 | /* | |
5226 | * Prefix matches; check the character at the end - it must be ":", ".", | |
5227 | * ".:", or nul... | |
5228 | */ | |
5229 | ||
5230 | end = host + a->namelen; | |
5231 | ||
5232 | if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':'))) | |
5233 | return (1); | |
5234 | } | |
5235 | } | |
5236 | #endif /* HAVE_DNSSD */ | |
5237 | ||
5238 | /* | |
5239 | * Check for interface hostname matches... | |
5240 | */ | |
5241 | ||
5242 | for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList); | |
5243 | netif; | |
5244 | netif = (cupsd_netif_t *)cupsArrayNext(NetIFList)) | |
5245 | { | |
5246 | if (!strncasecmp(host, netif->hostname, netif->hostlen)) | |
5247 | { | |
5248 | /* | |
5249 | * Prefix matches; check the character at the end - it must be ":", ".", | |
5250 | * ".:", or nul... | |
5251 | */ | |
5252 | ||
5253 | end = host + netif->hostlen; | |
5254 | ||
5255 | if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':'))) | |
5256 | return (1); | |
5257 | } | |
5258 | } | |
5259 | ||
5260 | return (0); | |
5261 | } | |
5262 | ||
5263 | ||
ef416fc2 | 5264 | /* |
a74454a7 | 5265 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 5266 | */ |
5267 | ||
5268 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 5269 | write_file(cupsd_client_t *con, /* I - Client connection */ |
5270 | http_status_t code, /* I - HTTP status */ | |
5271 | char *filename, /* I - Filename */ | |
5272 | char *type, /* I - File type */ | |
5273 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 5274 | { |
5275 | con->file = open(filename, O_RDONLY); | |
5276 | ||
b9faaae1 MS |
5277 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
5278 | "write_file(con=%p(%d), code=%d, filename=\"%s\" (%d), " | |
5279 | "type=\"%s\", filestats=%p)", con, con->http.fd, | |
5280 | code, filename, con->file, type ? type : "(null)", filestats); | |
e1d6a774 | 5281 | |
5282 | if (con->file < 0) | |
5283 | return (0); | |
5284 | ||
5285 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
5286 | ||
5287 | con->pipe_pid = 0; | |
5288 | ||
5bd77a73 | 5289 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
e1d6a774 | 5290 | return (0); |
5291 | ||
5292 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
5293 | httpGetDateString(filestats->st_mtime)) < 0) | |
5294 | return (0); | |
5295 | if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n", | |
5296 | CUPS_LLCAST filestats->st_size) < 0) | |
5297 | return (0); | |
5298 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
5299 | return (0); | |
5300 | ||
07725fee | 5301 | if (cupsdFlushHeader(con) < 0) |
5302 | return (0); | |
d09495fa | 5303 | |
e1d6a774 | 5304 | con->http.data_encoding = HTTP_ENCODE_LENGTH; |
5305 | con->http.data_remaining = filestats->st_size; | |
5306 | ||
5307 | if (con->http.data_remaining <= INT_MAX) | |
5308 | con->http._data_remaining = con->http.data_remaining; | |
5309 | else | |
5310 | con->http._data_remaining = INT_MAX; | |
5311 | ||
f7deaa1a | 5312 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, |
5313 | (cupsd_selfunc_t)cupsdWriteClient, con); | |
e1d6a774 | 5314 | |
5315 | return (1); | |
5316 | } | |
5317 | ||
5318 | ||
5319 | /* | |
f899b121 | 5320 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
5321 | */ | |
5322 | ||
5323 | static void | |
5324 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
5325 | { | |
b9faaae1 MS |
5326 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
5327 | "write_pipe(con=%p(%d)) CGI output on fd %d", | |
5328 | con, con->http.fd, con->file); | |
f899b121 | 5329 | |
5330 | con->file_ready = 1; | |
5331 | ||
5332 | cupsdRemoveSelect(con->file); | |
5333 | cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con); | |
5334 | } | |
5335 | ||
5336 | ||
5337 | /* | |
b19ccc9e | 5338 | * End of "$Id: client.c 7950 2008-09-17 00:21:59Z mike $". |
ef416fc2 | 5339 | */ |