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ef416fc2 | 1 | /* |
75bd9771 | 2 | * "$Id: client.c 7673 2008-06-18 22:31:26Z mike $" |
ef416fc2 | 3 | * |
4 | * Client routines for the Common UNIX Printing System (CUPS) scheduler. | |
5 | * | |
91c84a35 | 6 | * Copyright 2007-2008 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 | * | |
20 | * cupsdAcceptClient() - Accept a new client. | |
21 | * cupsdCloseAllClients() - Close all remote clients immediately. | |
22 | * cupsdCloseClient() - Close a remote client. | |
d09495fa | 23 | * cupsdFlushHeader() - Flush the header fields to the client. |
ef416fc2 | 24 | * cupsdReadClient() - Read data from a client. |
25 | * cupsdSendCommand() - Send output from a command via HTTP. | |
26 | * cupsdSendError() - Send an error message via HTTP. | |
ef416fc2 | 27 | * cupsdSendHeader() - Send an HTTP request. |
28 | * cupsdUpdateCGI() - Read status messages from CGI scripts and programs. | |
29 | * cupsdWriteClient() - Write data to a client as needed. | |
30 | * check_if_modified() - Decode an "If-Modified-Since" line. | |
3dfe78b3 | 31 | * compare_clients() - Compare two client connections. |
ee571f26 | 32 | * data_ready() - Check whether data is available from a client. |
e1d6a774 | 33 | * encrypt_client() - Enable encryption for the client... |
b86bc4cf | 34 | * get_cdsa_certificate() - Convert a keychain name into the CFArrayRef |
ef416fc2 | 35 | * required by SSLSetCertificate. |
36 | * get_file() - Get a filename and state info. | |
37 | * install_conf_file() - Install a configuration file. | |
e1d6a774 | 38 | * is_cgi() - Is the resource a CGI script/program? |
ef416fc2 | 39 | * is_path_absolute() - Is a path absolute and free of relative elements. |
4744bd90 | 40 | * make_certificate() - Make a self-signed SSL/TLS certificate. |
ef416fc2 | 41 | * pipe_command() - Pipe the output of a command to the remote client. |
a74454a7 | 42 | * write_file() - Send a file via HTTP. |
f899b121 | 43 | * write_pipe() - Flag that data is available on the CGI pipe. |
ef416fc2 | 44 | */ |
45 | ||
46 | /* | |
47 | * Include necessary headers... | |
48 | */ | |
49 | ||
ef416fc2 | 50 | #include "cupsd.h" |
51 | ||
52 | #ifdef HAVE_CDSASSL | |
53 | # include <Security/Security.h> | |
b86bc4cf | 54 | # ifdef HAVE_SECIDENTITYSEARCHPRIV_H |
55 | # include <Security/SecIdentitySearchPriv.h> | |
56 | # else /* Declare prototype for function in that header... */ | |
57 | extern OSStatus SecIdentitySearchCreateWithPolicy(SecPolicyRef policy, | |
58 | CFStringRef idString, CSSM_KEYUSE keyUsage, | |
59 | CFTypeRef keychainOrArray, | |
60 | Boolean returnOnlyValidIdentities, | |
61 | SecIdentitySearchRef* searchRef); | |
62 | # endif /* HAVE_SECIDENTITYSEARCHPRIV_H */ | |
63 | # ifdef HAVE_SECPOLICYPRIV_H | |
64 | # include <Security/SecPolicyPriv.h> | |
65 | # else /* Declare prototype for function in that header... */ | |
66 | extern OSStatus SecPolicySetValue(SecPolicyRef policyRef, | |
67 | const CSSM_DATA *value); | |
68 | # endif /* HAVE_SECPOLICYPRIV_H */ | |
ed486911 | 69 | # ifdef HAVE_SECBASEPRIV_H |
70 | # include <Security/SecBasePriv.h> | |
b86bc4cf | 71 | # else /* Declare prototype for function in that header... */ |
72 | extern const char *cssmErrorString(int error); | |
ed486911 | 73 | # endif /* HAVE_SECBASEPRIV_H */ |
ef416fc2 | 74 | #endif /* HAVE_CDSASSL */ |
b86bc4cf | 75 | |
4744bd90 | 76 | #ifdef HAVE_GNUTLS |
77 | # include <gnutls/x509.h> | |
78 | #endif /* HAVE_GNUTLS */ | |
ef416fc2 | 79 | |
749b1e90 MS |
80 | #ifdef HAVE_TCPD_H |
81 | # include <tcpd.h> | |
82 | #endif /* HAVE_TCPD_H */ | |
83 | ||
ef416fc2 | 84 | |
85 | /* | |
86 | * Local functions... | |
87 | */ | |
88 | ||
89 | static int check_if_modified(cupsd_client_t *con, | |
90 | struct stat *filestats); | |
3dfe78b3 MS |
91 | static int compare_clients(cupsd_client_t *a, cupsd_client_t *b, |
92 | void *data); | |
ee571f26 | 93 | static int data_ready(cupsd_client_t *con); |
80ca4592 | 94 | #ifdef HAVE_SSL |
e1d6a774 | 95 | static int encrypt_client(cupsd_client_t *con); |
80ca4592 | 96 | #endif /* HAVE_SSL */ |
ef416fc2 | 97 | #ifdef HAVE_CDSASSL |
b86bc4cf | 98 | static CFArrayRef get_cdsa_certificate(cupsd_client_t *con); |
ef416fc2 | 99 | #endif /* HAVE_CDSASSL */ |
f7deaa1a | 100 | static char *get_file(cupsd_client_t *con, struct stat *filestats, |
ef416fc2 | 101 | char *filename, int len); |
102 | static http_status_t install_conf_file(cupsd_client_t *con); | |
e1d6a774 | 103 | static int is_cgi(cupsd_client_t *con, const char *filename, |
104 | struct stat *filestats, mime_type_t *type); | |
ef416fc2 | 105 | static int is_path_absolute(const char *path); |
8ca02f3c | 106 | #ifdef HAVE_SSL |
b86bc4cf | 107 | static int make_certificate(cupsd_client_t *con); |
8ca02f3c | 108 | #endif /* HAVE_SSL */ |
ef416fc2 | 109 | static int pipe_command(cupsd_client_t *con, int infile, int *outfile, |
110 | char *command, char *options, int root); | |
a74454a7 | 111 | static int write_file(cupsd_client_t *con, http_status_t code, |
112 | char *filename, char *type, | |
113 | struct stat *filestats); | |
f899b121 | 114 | static void write_pipe(cupsd_client_t *con); |
ef416fc2 | 115 | |
116 | ||
117 | /* | |
118 | * 'cupsdAcceptClient()' - Accept a new client. | |
119 | */ | |
120 | ||
121 | void | |
122 | cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */ | |
123 | { | |
ef416fc2 | 124 | int count; /* Count of connections on a host */ |
125 | int val; /* Parameter value */ | |
bd7854cb | 126 | cupsd_client_t *con, /* New client pointer */ |
127 | *tempcon; /* Temporary client pointer */ | |
ef416fc2 | 128 | http_addrlist_t *addrlist, /* List of adddresses for host */ |
129 | *addr; /* Current address */ | |
130 | socklen_t addrlen; /* Length of address */ | |
131 | char *hostname; /* Hostname for address */ | |
132 | http_addr_t temp; /* Temporary address variable */ | |
133 | static time_t last_dos = 0; /* Time of last DoS attack */ | |
749b1e90 MS |
134 | #ifdef HAVE_TCPD_H |
135 | struct request_info wrap_req; /* TCP wrappers request information */ | |
136 | #endif /* HAVE_TCPD_H */ | |
ef416fc2 | 137 | |
138 | ||
139 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
bd7854cb | 140 | "cupsdAcceptClient(lis=%p) %d Clients = %d", |
141 | lis, lis->fd, cupsArrayCount(Clients)); | |
ef416fc2 | 142 | |
143 | /* | |
144 | * Make sure we don't have a full set of clients already... | |
145 | */ | |
146 | ||
bd7854cb | 147 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 148 | return; |
149 | ||
150 | /* | |
151 | * Get a pointer to the next available client... | |
152 | */ | |
153 | ||
bd7854cb | 154 | if (!Clients) |
155 | Clients = cupsArrayNew(NULL, NULL); | |
156 | ||
157 | if (!Clients) | |
91c84a35 MS |
158 | { |
159 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3dfe78b3 MS |
160 | "Unable to allocate memory for clients array!"); |
161 | cupsdPauseListening(); | |
162 | return; | |
163 | } | |
164 | ||
165 | if (!ActiveClients) | |
166 | ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL); | |
167 | ||
168 | if (!ActiveClients) | |
169 | { | |
170 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
171 | "Unable to allocate memory for active clients array!"); | |
91c84a35 | 172 | cupsdPauseListening(); |
bd7854cb | 173 | return; |
91c84a35 | 174 | } |
bd7854cb | 175 | |
91c84a35 MS |
176 | if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL) |
177 | { | |
178 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!"); | |
179 | cupsdPauseListening(); | |
180 | return; | |
181 | } | |
ef416fc2 | 182 | |
ef416fc2 | 183 | con->http.activity = time(NULL); |
184 | con->file = -1; | |
185 | con->http.hostaddr = &(con->clientaddr); | |
186 | ||
187 | /* | |
188 | * Accept the client and get the remote address... | |
189 | */ | |
190 | ||
191 | addrlen = sizeof(http_addr_t); | |
192 | ||
193 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)con->http.hostaddr, | |
194 | &addrlen)) < 0) | |
195 | { | |
76cd9e37 MS |
196 | if (errno == ENFILE || errno == EMFILE) |
197 | cupsdPauseListening(); | |
198 | ||
ef416fc2 | 199 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.", |
200 | strerror(errno)); | |
bd7854cb | 201 | free(con); |
76cd9e37 | 202 | |
ef416fc2 | 203 | return; |
204 | } | |
205 | ||
206 | #ifdef AF_INET6 | |
207 | if (lis->address.addr.sa_family == AF_INET6) | |
208 | { | |
209 | /* | |
210 | * Save the connected port number... | |
211 | */ | |
212 | ||
213 | con->http.hostaddr->ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
214 | ||
215 | /* | |
216 | * Convert IPv4 over IPv6 addresses (::ffff:n.n.n.n) to IPv4 forms we | |
217 | * can more easily use... | |
218 | */ | |
219 | ||
220 | if (con->http.hostaddr->ipv6.sin6_addr.s6_addr32[0] == 0 && | |
221 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[1] == 0 && | |
222 | ntohl(con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2]) == 0xffff) | |
223 | con->http.hostaddr->ipv6.sin6_addr.s6_addr32[2] = 0; | |
224 | } | |
225 | else | |
226 | #endif /* AF_INET6 */ | |
227 | if (lis->address.addr.sa_family == AF_INET) | |
228 | con->http.hostaddr->ipv4.sin_port = lis->address.ipv4.sin_port; | |
229 | ||
230 | /* | |
231 | * Check the number of clients on the same address... | |
232 | */ | |
233 | ||
bd7854cb | 234 | for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients); |
235 | tempcon; | |
236 | tempcon = (cupsd_client_t *)cupsArrayNext(Clients)) | |
237 | if (httpAddrEqual(tempcon->http.hostaddr, con->http.hostaddr)) | |
ef416fc2 | 238 | { |
239 | count ++; | |
240 | if (count >= MaxClientsPerHost) | |
241 | break; | |
242 | } | |
243 | ||
244 | if (count >= MaxClientsPerHost) | |
245 | { | |
246 | if ((time(NULL) - last_dos) >= 60) | |
247 | { | |
248 | last_dos = time(NULL); | |
249 | cupsdLogMessage(CUPSD_LOG_WARN, | |
bd7854cb | 250 | "Possible DoS attack - more than %d clients connecting " |
251 | "from %s!", | |
749b1e90 MS |
252 | MaxClientsPerHost, |
253 | httpAddrString(con->http.hostaddr, con->http.hostname, | |
254 | sizeof(con->http.hostname))); | |
ef416fc2 | 255 | } |
256 | ||
257 | #ifdef WIN32 | |
258 | closesocket(con->http.fd); | |
259 | #else | |
260 | close(con->http.fd); | |
261 | #endif /* WIN32 */ | |
262 | ||
bd7854cb | 263 | free(con); |
ef416fc2 | 264 | return; |
265 | } | |
266 | ||
267 | /* | |
268 | * Get the hostname or format the IP address as needed... | |
269 | */ | |
270 | ||
271 | if (httpAddrLocalhost(con->http.hostaddr)) | |
272 | { | |
273 | /* | |
274 | * Map accesses from the loopback interface to "localhost"... | |
275 | */ | |
276 | ||
277 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
278 | hostname = con->http.hostname; | |
279 | } | |
280 | else | |
281 | { | |
282 | /* | |
283 | * Map accesses from the same host to the server name. | |
284 | */ | |
285 | ||
286 | for (addr = ServerAddrs; addr; addr = addr->next) | |
287 | if (httpAddrEqual(con->http.hostaddr, &(addr->addr))) | |
288 | break; | |
289 | ||
290 | if (addr) | |
291 | { | |
292 | strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname)); | |
293 | hostname = con->http.hostname; | |
294 | } | |
295 | else if (HostNameLookups) | |
296 | hostname = httpAddrLookup(con->http.hostaddr, con->http.hostname, | |
297 | sizeof(con->http.hostname)); | |
298 | else | |
299 | { | |
300 | hostname = NULL; | |
301 | httpAddrString(con->http.hostaddr, con->http.hostname, | |
302 | sizeof(con->http.hostname)); | |
303 | } | |
304 | } | |
305 | ||
306 | if (hostname == NULL && HostNameLookups == 2) | |
307 | { | |
308 | /* | |
309 | * Can't have an unresolved IP address with double-lookups enabled... | |
310 | */ | |
311 | ||
312 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
313 | "cupsdAcceptClient: Closing connection %d...", | |
314 | con->http.fd); | |
315 | ||
316 | #ifdef WIN32 | |
317 | closesocket(con->http.fd); | |
318 | #else | |
319 | close(con->http.fd); | |
320 | #endif /* WIN32 */ | |
321 | ||
322 | cupsdLogMessage(CUPSD_LOG_WARN, | |
323 | "Name lookup failed - connection from %s closed!", | |
324 | con->http.hostname); | |
bd7854cb | 325 | |
326 | free(con); | |
ef416fc2 | 327 | return; |
328 | } | |
329 | ||
330 | if (HostNameLookups == 2) | |
331 | { | |
332 | /* | |
333 | * Do double lookups as needed... | |
334 | */ | |
335 | ||
749b1e90 MS |
336 | if ((addrlist = httpAddrGetList(con->http.hostname, AF_UNSPEC, NULL)) |
337 | != NULL) | |
ef416fc2 | 338 | { |
339 | /* | |
340 | * See if the hostname maps to the same IP address... | |
341 | */ | |
342 | ||
343 | for (addr = addrlist; addr; addr = addr->next) | |
344 | if (httpAddrEqual(con->http.hostaddr, &(addr->addr))) | |
345 | break; | |
346 | } | |
347 | else | |
348 | addr = NULL; | |
349 | ||
350 | httpAddrFreeList(addrlist); | |
351 | ||
352 | if (!addr) | |
353 | { | |
354 | /* | |
355 | * Can't have a hostname that doesn't resolve to the same IP address | |
356 | * with double-lookups enabled... | |
357 | */ | |
358 | ||
359 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
360 | "cupsdAcceptClient: Closing connection %d...", | |
361 | con->http.fd); | |
362 | ||
363 | #ifdef WIN32 | |
364 | closesocket(con->http.fd); | |
365 | #else | |
366 | close(con->http.fd); | |
367 | #endif /* WIN32 */ | |
368 | ||
369 | cupsdLogMessage(CUPSD_LOG_WARN, | |
370 | "IP lookup failed - connection from %s closed!", | |
371 | con->http.hostname); | |
bd7854cb | 372 | free(con); |
ef416fc2 | 373 | return; |
374 | } | |
375 | } | |
376 | ||
749b1e90 MS |
377 | #ifdef HAVE_TCPD_H |
378 | /* | |
379 | * See if the connection is denied by TCP wrappers... | |
380 | */ | |
381 | ||
382 | request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, con->http.fd, NULL); | |
383 | fromhost(&wrap_req); | |
384 | ||
385 | if (!hosts_access(&wrap_req)) | |
386 | { | |
387 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
388 | "cupsdAcceptClient: Closing connection %d...", | |
389 | con->http.fd); | |
390 | ||
391 | #ifdef WIN32 | |
392 | closesocket(con->http.fd); | |
393 | #else | |
394 | close(con->http.fd); | |
395 | #endif /* WIN32 */ | |
396 | ||
397 | cupsdLogMessage(CUPSD_LOG_WARN, | |
398 | "Connection from %s refused by /etc/hosts.allow and " | |
399 | "/etc/hosts.deny rules.", con->http.hostname); | |
400 | free(con); | |
401 | return; | |
402 | } | |
403 | #endif /* HAVE_TCPD_H */ | |
404 | ||
ef416fc2 | 405 | #ifdef AF_INET6 |
406 | if (con->http.hostaddr->addr.sa_family == AF_INET6) | |
407 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv6)", | |
408 | con->http.fd, con->http.hostname, | |
409 | ntohs(con->http.hostaddr->ipv6.sin6_port)); | |
410 | else | |
411 | #endif /* AF_INET6 */ | |
412 | #ifdef AF_LOCAL | |
413 | if (con->http.hostaddr->addr.sa_family == AF_LOCAL) | |
414 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s (Domain)", | |
415 | con->http.fd, con->http.hostname); | |
416 | else | |
417 | #endif /* AF_LOCAL */ | |
418 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv4)", | |
419 | con->http.fd, con->http.hostname, | |
420 | ntohs(con->http.hostaddr->ipv4.sin_port)); | |
421 | ||
422 | /* | |
423 | * Get the local address the client connected to... | |
424 | */ | |
425 | ||
426 | addrlen = sizeof(temp); | |
427 | if (getsockname(con->http.fd, (struct sockaddr *)&temp, &addrlen)) | |
428 | { | |
429 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to get local address - %s", | |
430 | strerror(errno)); | |
431 | ||
432 | strcpy(con->servername, "localhost"); | |
433 | con->serverport = LocalPort; | |
434 | } | |
435 | else | |
436 | { | |
437 | #ifdef AF_INET6 | |
438 | if (temp.addr.sa_family == AF_INET6) | |
439 | { | |
440 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
441 | con->serverport = ntohs(lis->address.ipv6.sin6_port); | |
442 | } | |
443 | else | |
444 | #endif /* AF_INET6 */ | |
445 | if (temp.addr.sa_family == AF_INET) | |
446 | { | |
447 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
448 | con->serverport = ntohs(lis->address.ipv4.sin_port); | |
449 | } | |
450 | else | |
451 | { | |
452 | strcpy(con->servername, "localhost"); | |
453 | con->serverport = LocalPort; | |
454 | } | |
455 | } | |
456 | ||
bd7854cb | 457 | cupsArrayAdd(Clients, con); |
458 | ||
ef416fc2 | 459 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
460 | "cupsdAcceptClient: %d connected to server on %s:%d", | |
461 | con->http.fd, con->servername, con->serverport); | |
462 | ||
463 | /* | |
464 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
465 | * with a slow loopback interface... Since we write large buffers | |
466 | * when sending print files and requests, there shouldn't be any | |
467 | * performance penalty for this... | |
468 | */ | |
469 | ||
470 | val = 1; | |
f7deaa1a | 471 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); |
ef416fc2 | 472 | |
473 | /* | |
474 | * Close this file on all execs... | |
475 | */ | |
476 | ||
477 | fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC); | |
478 | ||
479 | /* | |
480 | * Add the socket to the select() input mask. | |
481 | */ | |
482 | ||
f7deaa1a | 483 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 484 | |
ef416fc2 | 485 | /* |
486 | * Temporarily suspend accept()'s until we lose a client... | |
487 | */ | |
488 | ||
bd7854cb | 489 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 490 | cupsdPauseListening(); |
491 | ||
492 | #ifdef HAVE_SSL | |
493 | /* | |
494 | * See if we are connecting on a secure port... | |
495 | */ | |
496 | ||
497 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) | |
498 | { | |
499 | /* | |
500 | * https connection; go secure... | |
501 | */ | |
502 | ||
503 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; | |
504 | ||
411affcf | 505 | if (!encrypt_client(con)) |
506 | cupsdCloseClient(con); | |
ef416fc2 | 507 | } |
508 | else | |
509 | con->auto_ssl = 1; | |
510 | #endif /* HAVE_SSL */ | |
511 | } | |
512 | ||
513 | ||
514 | /* | |
515 | * 'cupsdCloseAllClients()' - Close all remote clients immediately. | |
516 | */ | |
517 | ||
518 | void | |
519 | cupsdCloseAllClients(void) | |
520 | { | |
bd7854cb | 521 | cupsd_client_t *con; /* Current client */ |
522 | ||
523 | ||
524 | for (con = (cupsd_client_t *)cupsArrayFirst(Clients); | |
525 | con; | |
526 | con = (cupsd_client_t *)cupsArrayNext(Clients)) | |
527 | cupsdCloseClient(con); | |
ef416fc2 | 528 | } |
529 | ||
530 | ||
531 | /* | |
532 | * 'cupsdCloseClient()' - Close a remote client. | |
533 | */ | |
534 | ||
535 | int /* O - 1 if partial close, 0 if fully closed */ | |
536 | cupsdCloseClient(cupsd_client_t *con) /* I - Client to close */ | |
537 | { | |
538 | int partial; /* Do partial close for SSL? */ | |
539 | #ifdef HAVE_LIBSSL | |
540 | SSL_CTX *context; /* Context for encryption */ | |
541 | SSL *conn; /* Connection for encryption */ | |
542 | unsigned long error; /* Error code */ | |
543 | #elif defined(HAVE_GNUTLS) | |
89d46774 | 544 | http_tls_t *conn; /* TLS connection information */ |
545 | int error; /* Error code */ | |
ef416fc2 | 546 | gnutls_certificate_server_credentials *credentials; |
547 | /* TLS credentials */ | |
89d46774 | 548 | # elif defined(HAVE_CDSASSL) |
549 | http_tls_t *conn; /* CDSA connection information */ | |
ef416fc2 | 550 | #endif /* HAVE_LIBSSL */ |
551 | ||
552 | ||
553 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdCloseClient: %d", con->http.fd); | |
554 | ||
555 | /* | |
556 | * Flush pending writes before closing... | |
557 | */ | |
558 | ||
559 | httpFlushWrite(HTTP(con)); | |
560 | ||
561 | partial = 0; | |
562 | ||
563 | #ifdef HAVE_SSL | |
564 | /* | |
565 | * Shutdown encryption as needed... | |
566 | */ | |
567 | ||
568 | if (con->http.tls) | |
569 | { | |
570 | partial = 1; | |
571 | ||
572 | # ifdef HAVE_LIBSSL | |
573 | conn = (SSL *)(con->http.tls); | |
574 | context = SSL_get_SSL_CTX(conn); | |
575 | ||
576 | switch (SSL_shutdown(conn)) | |
577 | { | |
578 | case 1 : | |
c934a06c MS |
579 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
580 | "SSL shutdown successful!"); | |
ef416fc2 | 581 | break; |
582 | case -1 : | |
583 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c934a06c | 584 | "Fatal error during SSL shutdown!"); |
ef416fc2 | 585 | default : |
586 | while ((error = ERR_get_error()) != 0) | |
c934a06c | 587 | cupsdLogMessage(CUPSD_LOG_ERROR, "SSL shutdown failed: %s", |
ef416fc2 | 588 | ERR_error_string(error, NULL)); |
589 | break; | |
590 | } | |
591 | ||
592 | SSL_CTX_free(context); | |
593 | SSL_free(conn); | |
594 | ||
595 | # elif defined(HAVE_GNUTLS) | |
596 | conn = (http_tls_t *)(con->http.tls); | |
597 | credentials = (gnutls_certificate_server_credentials *)(conn->credentials); | |
598 | ||
599 | error = gnutls_bye(conn->session, GNUTLS_SHUT_WR); | |
600 | switch (error) | |
601 | { | |
602 | case GNUTLS_E_SUCCESS: | |
c934a06c MS |
603 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
604 | "SSL shutdown successful!"); | |
ef416fc2 | 605 | break; |
606 | default: | |
607 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
c934a06c | 608 | "SSL shutdown failed: %s", gnutls_strerror(error)); |
ef416fc2 | 609 | break; |
610 | } | |
611 | ||
612 | gnutls_deinit(conn->session); | |
613 | gnutls_certificate_free_credentials(*credentials); | |
614 | free(credentials); | |
615 | free(conn); | |
616 | ||
617 | # elif defined(HAVE_CDSASSL) | |
89d46774 | 618 | conn = (http_tls_t *)(con->http.tls); |
619 | ||
620 | while (SSLClose(conn->session) == errSSLWouldBlock) | |
b423cd4c | 621 | usleep(1000); |
622 | ||
89d46774 | 623 | SSLDisposeContext(conn->session); |
624 | ||
625 | if (conn->certsArray) | |
626 | CFRelease(conn->certsArray); | |
627 | ||
628 | free(conn); | |
ef416fc2 | 629 | # endif /* HAVE_LIBSSL */ |
630 | ||
631 | con->http.tls = NULL; | |
632 | } | |
633 | #endif /* HAVE_SSL */ | |
634 | ||
635 | if (con->pipe_pid != 0) | |
636 | { | |
637 | /* | |
638 | * Stop any CGI process... | |
639 | */ | |
640 | ||
641 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
642 | "cupsdCloseClient: %d Killing process ID %d...", | |
643 | con->http.fd, con->pipe_pid); | |
644 | cupsdEndProcess(con->pipe_pid, 1); | |
645 | con->pipe_pid = 0; | |
646 | } | |
647 | ||
648 | if (con->file >= 0) | |
649 | { | |
f7deaa1a | 650 | cupsdRemoveSelect(con->file); |
ef416fc2 | 651 | |
652 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
653 | "cupsdCloseClient: %d Closing data file %d.", | |
654 | con->http.fd, con->file); | |
655 | ||
656 | close(con->file); | |
657 | con->file = -1; | |
658 | } | |
659 | ||
660 | /* | |
661 | * Close the socket and clear the file from the input set for select()... | |
662 | */ | |
663 | ||
3dfe78b3 | 664 | if (con->http.fd >= 0) |
ef416fc2 | 665 | { |
3dfe78b3 MS |
666 | cupsArrayRemove(ActiveClients, con); |
667 | cupsdSetBusyState(); | |
668 | ||
ef416fc2 | 669 | if (partial) |
670 | { | |
671 | /* | |
672 | * Only do a partial close so that the encrypted client gets everything. | |
673 | */ | |
674 | ||
ef416fc2 | 675 | shutdown(con->http.fd, 0); |
f7deaa1a | 676 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 677 | } |
678 | else | |
679 | { | |
680 | /* | |
681 | * Shut the socket down fully... | |
682 | */ | |
683 | ||
f7deaa1a | 684 | cupsdRemoveSelect(con->http.fd); |
ef416fc2 | 685 | close(con->http.fd); |
ef416fc2 | 686 | con->http.fd = -1; |
687 | } | |
688 | } | |
689 | ||
690 | if (!partial) | |
691 | { | |
692 | /* | |
693 | * Free memory... | |
694 | */ | |
695 | ||
696 | if (con->http.input_set) | |
697 | free(con->http.input_set); | |
698 | ||
699 | httpClearCookie(HTTP(con)); | |
9f5eb9be | 700 | httpClearFields(HTTP(con)); |
ef416fc2 | 701 | |
702 | cupsdClearString(&con->filename); | |
703 | cupsdClearString(&con->command); | |
704 | cupsdClearString(&con->options); | |
b86bc4cf | 705 | cupsdClearString(&con->query_string); |
ef416fc2 | 706 | |
707 | if (con->request) | |
708 | { | |
709 | ippDelete(con->request); | |
710 | con->request = NULL; | |
711 | } | |
712 | ||
713 | if (con->response) | |
714 | { | |
715 | ippDelete(con->response); | |
716 | con->response = NULL; | |
717 | } | |
718 | ||
719 | if (con->language) | |
720 | { | |
721 | cupsLangFree(con->language); | |
722 | con->language = NULL; | |
723 | } | |
724 | ||
f7deaa1a | 725 | #ifdef HAVE_AUTHORIZATION_H |
726 | if (con->authref) | |
727 | { | |
728 | AuthorizationFree(con->authref, kAuthorizationFlagDefaults); | |
729 | con->authref = NULL; | |
730 | } | |
731 | #endif /* HAVE_AUTHORIZATION_H */ | |
732 | ||
ef416fc2 | 733 | /* |
734 | * Re-enable new client connections if we are going back under the | |
735 | * limit... | |
736 | */ | |
737 | ||
bd7854cb | 738 | if (cupsArrayCount(Clients) == MaxClients) |
ef416fc2 | 739 | cupsdResumeListening(); |
740 | ||
741 | /* | |
742 | * Compact the list of clients as necessary... | |
743 | */ | |
744 | ||
bd7854cb | 745 | cupsArrayRemove(Clients, con); |
ef416fc2 | 746 | |
bd7854cb | 747 | free(con); |
ef416fc2 | 748 | } |
749 | ||
750 | return (partial); | |
751 | } | |
752 | ||
753 | ||
d09495fa | 754 | /* |
755 | * 'cupsdFlushHeader()' - Flush the header fields to the client. | |
756 | */ | |
757 | ||
07725fee | 758 | int /* I - Bytes written or -1 on error */ |
d09495fa | 759 | cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */ |
760 | { | |
07725fee | 761 | int bytes = httpFlushWrite(HTTP(con)); |
d09495fa | 762 | |
763 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
07725fee | 764 | |
765 | return (bytes); | |
d09495fa | 766 | } |
767 | ||
768 | ||
ef416fc2 | 769 | /* |
770 | * 'cupsdReadClient()' - Read data from a client. | |
771 | */ | |
772 | ||
f7deaa1a | 773 | void |
ef416fc2 | 774 | cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */ |
775 | { | |
776 | char line[32768], /* Line from client... */ | |
777 | operation[64], /* Operation code from socket */ | |
778 | version[64], /* HTTP version number string */ | |
779 | locale[64], /* Locale */ | |
780 | *ptr; /* Pointer into strings */ | |
781 | int major, minor; /* HTTP version numbers */ | |
782 | http_status_t status; /* Transfer status */ | |
783 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
784 | int bytes; /* Number of bytes to POST */ | |
785 | char *filename; /* Name of file for GET/HEAD */ | |
786 | char buf[1024]; /* Buffer for real filename */ | |
787 | struct stat filestats; /* File information */ | |
788 | mime_type_t *type; /* MIME type of file */ | |
789 | cupsd_printer_t *p; /* Printer */ | |
790 | static unsigned request_id = 0; /* Request ID for temp files */ | |
791 | ||
792 | ||
793 | status = HTTP_CONTINUE; | |
794 | ||
795 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
796 | "cupsdReadClient: %d, used=%d, file=%d state=%d", | |
797 | con->http.fd, con->http.used, con->file, con->http.state); | |
798 | ||
799 | if (con->http.error) | |
800 | { | |
801 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: http error seen..."); | |
f7deaa1a | 802 | cupsdCloseClient(con); |
803 | return; | |
ef416fc2 | 804 | } |
805 | ||
806 | #ifdef HAVE_SSL | |
807 | if (con->auto_ssl) | |
808 | { | |
809 | /* | |
810 | * Automatically check for a SSL/TLS handshake... | |
811 | */ | |
812 | ||
813 | con->auto_ssl = 0; | |
814 | ||
815 | if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 && | |
816 | (!buf[0] || !strchr("DGHOPT", buf[0]))) | |
817 | { | |
818 | /* | |
819 | * Encrypt this connection... | |
820 | */ | |
821 | ||
822 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
823 | "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...", | |
824 | buf[0] & 255); | |
825 | ||
411affcf | 826 | if (!encrypt_client(con)) |
f7deaa1a | 827 | cupsdCloseClient(con); |
411affcf | 828 | |
f7deaa1a | 829 | return; |
ef416fc2 | 830 | } |
831 | } | |
832 | #endif /* HAVE_SSL */ | |
833 | ||
834 | switch (con->http.state) | |
835 | { | |
836 | case HTTP_WAITING : | |
837 | /* | |
838 | * See if we've received a request line... | |
839 | */ | |
840 | ||
841 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
842 | { | |
843 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
844 | "cupsdReadClient: httpGets returned EOF..."); | |
f7deaa1a | 845 | cupsdCloseClient(con); |
846 | return; | |
ef416fc2 | 847 | } |
848 | ||
849 | /* | |
850 | * Ignore blank request lines... | |
851 | */ | |
852 | ||
853 | if (line[0] == '\0') | |
854 | break; | |
855 | ||
856 | /* | |
857 | * Clear other state variables... | |
858 | */ | |
859 | ||
860 | httpClearFields(HTTP(con)); | |
861 | ||
862 | con->http.activity = time(NULL); | |
863 | con->http.version = HTTP_1_0; | |
864 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
865 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
866 | con->http.data_remaining = 0; | |
867 | con->http._data_remaining = 0; | |
868 | con->operation = HTTP_WAITING; | |
869 | con->bytes = 0; | |
870 | con->file = -1; | |
871 | con->file_ready = 0; | |
872 | con->pipe_pid = 0; | |
873 | con->username[0] = '\0'; | |
874 | con->password[0] = '\0'; | |
875 | con->uri[0] = '\0'; | |
876 | ||
877 | cupsdClearString(&con->command); | |
878 | cupsdClearString(&con->options); | |
b86bc4cf | 879 | cupsdClearString(&con->query_string); |
ef416fc2 | 880 | |
2abf387c | 881 | if (con->request) |
882 | { | |
883 | ippDelete(con->request); | |
884 | con->request = NULL; | |
885 | } | |
886 | ||
887 | if (con->response) | |
888 | { | |
889 | ippDelete(con->response); | |
890 | con->response = NULL; | |
891 | } | |
892 | ||
893 | if (con->language) | |
ef416fc2 | 894 | { |
895 | cupsLangFree(con->language); | |
896 | con->language = NULL; | |
897 | } | |
898 | ||
09a101d6 | 899 | #ifdef HAVE_GSSAPI |
900 | con->gss_have_creds = 0; | |
901 | #endif /* HAVE_GSSAPI */ | |
902 | ||
ef416fc2 | 903 | /* |
904 | * Grab the request line... | |
905 | */ | |
906 | ||
907 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) | |
908 | { | |
909 | case 1 : | |
c934a06c MS |
910 | if (line[0]) |
911 | { | |
912 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
913 | "Bad request line \"%s\" from %s!", line, | |
914 | con->http.hostname); | |
915 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); | |
916 | cupsdCloseClient(con); | |
917 | } | |
f7deaa1a | 918 | return; |
ef416fc2 | 919 | case 2 : |
920 | con->http.version = HTTP_0_9; | |
921 | break; | |
922 | case 3 : | |
923 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
924 | { | |
925 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
926 | "Bad request line \"%s\" from %s!", line, | |
927 | con->http.hostname); | |
5bd77a73 | 928 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 929 | cupsdCloseClient(con); |
930 | return; | |
ef416fc2 | 931 | } |
932 | ||
933 | if (major < 2) | |
934 | { | |
935 | con->http.version = (http_version_t)(major * 100 + minor); | |
936 | if (con->http.version == HTTP_1_1 && KeepAlive) | |
937 | con->http.keep_alive = HTTP_KEEPALIVE_ON; | |
938 | else | |
939 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
940 | } | |
941 | else | |
942 | { | |
5bd77a73 | 943 | cupsdSendError(con, HTTP_NOT_SUPPORTED, CUPSD_AUTH_NONE); |
f7deaa1a | 944 | cupsdCloseClient(con); |
945 | return; | |
ef416fc2 | 946 | } |
947 | break; | |
948 | } | |
949 | ||
950 | /* | |
951 | * Handle full URLs in the request line... | |
952 | */ | |
953 | ||
954 | if (strcmp(con->uri, "*")) | |
955 | { | |
956 | char method[HTTP_MAX_URI], /* Method/scheme */ | |
957 | userpass[HTTP_MAX_URI], /* Username:password */ | |
958 | hostname[HTTP_MAX_URI], /* Hostname */ | |
959 | resource[HTTP_MAX_URI]; /* Resource path */ | |
960 | int port; /* Port number */ | |
961 | ||
962 | ||
963 | /* | |
964 | * Separate the URI into its components... | |
965 | */ | |
966 | ||
a4d04587 | 967 | httpSeparateURI(HTTP_URI_CODING_MOST, con->uri, |
968 | method, sizeof(method), | |
ef416fc2 | 969 | userpass, sizeof(userpass), |
970 | hostname, sizeof(hostname), &port, | |
971 | resource, sizeof(resource)); | |
972 | ||
973 | /* | |
974 | * Only allow URIs with the servername, localhost, or an IP | |
975 | * address... | |
976 | */ | |
977 | ||
978 | if (strcmp(method, "file") && | |
979 | strcasecmp(hostname, ServerName) && | |
980 | strcasecmp(hostname, "localhost") && | |
981 | !isdigit(hostname[0])) | |
982 | { | |
983 | /* | |
984 | * Nope, we don't do proxies... | |
985 | */ | |
986 | ||
987 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!", | |
988 | con->uri); | |
5bd77a73 | 989 | cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE); |
f7deaa1a | 990 | cupsdCloseClient(con); |
991 | return; | |
ef416fc2 | 992 | } |
993 | ||
994 | /* | |
995 | * Copy the resource portion back into the URI; both resource and | |
996 | * con->uri are HTTP_MAX_URI bytes in size... | |
997 | */ | |
998 | ||
999 | strcpy(con->uri, resource); | |
1000 | } | |
1001 | ||
1002 | /* | |
1003 | * Process the request... | |
1004 | */ | |
1005 | ||
1006 | if (!strcmp(operation, "GET")) | |
1007 | con->http.state = HTTP_GET; | |
1008 | else if (!strcmp(operation, "PUT")) | |
1009 | con->http.state = HTTP_PUT; | |
1010 | else if (!strcmp(operation, "POST")) | |
1011 | con->http.state = HTTP_POST; | |
1012 | else if (!strcmp(operation, "DELETE")) | |
1013 | con->http.state = HTTP_DELETE; | |
1014 | else if (!strcmp(operation, "TRACE")) | |
1015 | con->http.state = HTTP_TRACE; | |
1016 | else if (!strcmp(operation, "OPTIONS")) | |
1017 | con->http.state = HTTP_OPTIONS; | |
1018 | else if (!strcmp(operation, "HEAD")) | |
1019 | con->http.state = HTTP_HEAD; | |
1020 | else | |
1021 | { | |
1022 | cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation); | |
5bd77a73 | 1023 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1024 | cupsdCloseClient(con); |
1025 | return; | |
ef416fc2 | 1026 | } |
1027 | ||
1028 | con->start = time(NULL); | |
1029 | con->operation = con->http.state; | |
1030 | ||
89d46774 | 1031 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d", |
1032 | con->http.fd, operation, con->uri, | |
ef416fc2 | 1033 | con->http.version / 100, con->http.version % 100); |
1034 | ||
1035 | con->http.status = HTTP_OK; | |
1036 | ||
3dfe78b3 MS |
1037 | cupsArrayAdd(ActiveClients, con); |
1038 | cupsdSetBusyState(); | |
1039 | ||
ef416fc2 | 1040 | case HTTP_OPTIONS : |
1041 | case HTTP_DELETE : | |
1042 | case HTTP_GET : | |
1043 | case HTTP_HEAD : | |
1044 | case HTTP_POST : | |
1045 | case HTTP_PUT : | |
1046 | case HTTP_TRACE : | |
1047 | /* | |
1048 | * Parse incoming parameters until the status changes... | |
1049 | */ | |
1050 | ||
f7deaa1a | 1051 | while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE) |
ee571f26 | 1052 | if (!data_ready(con)) |
f7deaa1a | 1053 | break; |
ef416fc2 | 1054 | |
1055 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
1056 | { | |
5bd77a73 | 1057 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 1058 | cupsdCloseClient(con); |
1059 | return; | |
ef416fc2 | 1060 | } |
1061 | break; | |
1062 | ||
1063 | default : | |
1064 | break; /* Anti-compiler-warning-code */ | |
1065 | } | |
1066 | ||
1067 | /* | |
1068 | * Handle new transfers... | |
1069 | */ | |
1070 | ||
1071 | if (status == HTTP_OK) | |
1072 | { | |
1073 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) | |
1074 | { | |
1075 | /* | |
1076 | * Figure out the locale from the Accept-Language and Content-Type | |
1077 | * fields... | |
1078 | */ | |
1079 | ||
1080 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL) | |
1081 | *ptr = '\0'; | |
1082 | ||
1083 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL) | |
1084 | *ptr = '\0'; | |
1085 | ||
1086 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL) | |
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 | |
1100 | snprintf(locale, sizeof(locale), "%s.%s", | |
1101 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset); | |
d6ae789d | 1102 | |
355e94dc | 1103 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
89d46774 | 1104 | "cupsdReadClient: %d Browser asked for language \"%s\"...", |
1105 | con->http.fd, locale); | |
1106 | ||
ef416fc2 | 1107 | con->language = cupsLangGet(locale); |
1108 | } | |
1109 | else | |
1110 | con->language = cupsLangGet(DefaultLocale); | |
1111 | ||
1112 | cupsdAuthorize(con); | |
1113 | ||
1114 | if (!strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) && | |
1115 | KeepAlive) | |
1116 | con->http.keep_alive = HTTP_KEEPALIVE_ON; | |
1117 | ||
1118 | if (!con->http.fields[HTTP_FIELD_HOST][0] && | |
1119 | con->http.version >= HTTP_1_1) | |
1120 | { | |
1121 | /* | |
1122 | * HTTP/1.1 and higher require the "Host:" field... | |
1123 | */ | |
1124 | ||
5bd77a73 | 1125 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1126 | { |
1127 | cupsdCloseClient(con); | |
1128 | return; | |
1129 | } | |
ef416fc2 | 1130 | } |
1131 | else if (con->operation == HTTP_OPTIONS) | |
1132 | { | |
1133 | /* | |
1134 | * Do OPTIONS command... | |
1135 | */ | |
1136 | ||
5bd77a73 | 1137 | if (con->best && con->best->type != CUPSD_AUTH_NONE) |
ef416fc2 | 1138 | { |
5bd77a73 | 1139 | if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1140 | { |
1141 | cupsdCloseClient(con); | |
1142 | return; | |
1143 | } | |
ef416fc2 | 1144 | } |
1145 | ||
1146 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1147 | con->http.tls == NULL) | |
1148 | { | |
1149 | #ifdef HAVE_SSL | |
1150 | /* | |
1151 | * Do encryption stuff... | |
1152 | */ | |
1153 | ||
5bd77a73 | 1154 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1155 | { |
1156 | cupsdCloseClient(con); | |
1157 | return; | |
1158 | } | |
ef416fc2 | 1159 | |
1160 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1161 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1162 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1163 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1164 | |
1165 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1166 | { |
1167 | cupsdCloseClient(con); | |
1168 | return; | |
1169 | } | |
ef416fc2 | 1170 | |
411affcf | 1171 | if (!encrypt_client(con)) |
f7deaa1a | 1172 | { |
1173 | cupsdCloseClient(con); | |
1174 | return; | |
1175 | } | |
ef416fc2 | 1176 | #else |
5bd77a73 | 1177 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1178 | { |
1179 | cupsdCloseClient(con); | |
1180 | return; | |
1181 | } | |
ef416fc2 | 1182 | #endif /* HAVE_SSL */ |
1183 | } | |
1184 | ||
5bd77a73 | 1185 | if (!cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1186 | { |
1187 | cupsdCloseClient(con); | |
1188 | return; | |
1189 | } | |
ef416fc2 | 1190 | |
1191 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); | |
1192 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1193 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1194 | |
1195 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1196 | { |
1197 | cupsdCloseClient(con); | |
1198 | return; | |
1199 | } | |
ef416fc2 | 1200 | } |
1201 | else if (!is_path_absolute(con->uri)) | |
1202 | { | |
1203 | /* | |
1204 | * Protect against malicious users! | |
1205 | */ | |
1206 | ||
5bd77a73 | 1207 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1208 | { |
1209 | cupsdCloseClient(con); | |
1210 | return; | |
1211 | } | |
ef416fc2 | 1212 | } |
1213 | else | |
1214 | { | |
1215 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && | |
1216 | con->http.tls == NULL) | |
1217 | { | |
1218 | #ifdef HAVE_SSL | |
1219 | /* | |
1220 | * Do encryption stuff... | |
1221 | */ | |
1222 | ||
5bd77a73 | 1223 | if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1224 | { |
1225 | cupsdCloseClient(con); | |
1226 | return; | |
1227 | } | |
ef416fc2 | 1228 | |
1229 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
1230 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); | |
1231 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1232 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1233 | |
1234 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1235 | { |
1236 | cupsdCloseClient(con); | |
1237 | return; | |
1238 | } | |
ef416fc2 | 1239 | |
411affcf | 1240 | if (!encrypt_client(con)) |
f7deaa1a | 1241 | { |
1242 | cupsdCloseClient(con); | |
1243 | return; | |
1244 | } | |
ef416fc2 | 1245 | #else |
5bd77a73 | 1246 | if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1247 | { |
1248 | cupsdCloseClient(con); | |
1249 | return; | |
1250 | } | |
ef416fc2 | 1251 | #endif /* HAVE_SSL */ |
1252 | } | |
1253 | ||
1254 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK) | |
1255 | { | |
1256 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
75bd9771 | 1257 | "cupsdReadClient: Unauthorized request for %s...", |
ef416fc2 | 1258 | con->uri); |
5bd77a73 | 1259 | cupsdSendError(con, status, CUPSD_AUTH_NONE); |
f7deaa1a | 1260 | cupsdCloseClient(con); |
1261 | return; | |
ef416fc2 | 1262 | } |
1263 | ||
b423cd4c | 1264 | if (con->http.expect && |
1265 | (con->operation == HTTP_POST || con->operation == HTTP_PUT)) | |
ef416fc2 | 1266 | { |
b423cd4c | 1267 | if (con->http.expect == HTTP_CONTINUE) |
1268 | { | |
1269 | /* | |
1270 | * Send 100-continue header... | |
1271 | */ | |
1272 | ||
5bd77a73 | 1273 | if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1274 | { |
1275 | cupsdCloseClient(con); | |
1276 | return; | |
1277 | } | |
b423cd4c | 1278 | } |
1279 | else | |
1280 | { | |
1281 | /* | |
1282 | * Send 417-expectation-failed header... | |
1283 | */ | |
1284 | ||
5bd77a73 | 1285 | if (!cupsdSendHeader(con, HTTP_EXPECTATION_FAILED, NULL, CUPSD_AUTH_NONE)) |
f7deaa1a | 1286 | { |
1287 | cupsdCloseClient(con); | |
1288 | return; | |
1289 | } | |
b423cd4c | 1290 | |
1291 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); | |
1292 | httpPrintf(HTTP(con), "\r\n"); | |
07725fee | 1293 | |
1294 | if (cupsdFlushHeader(con) < 0) | |
f7deaa1a | 1295 | { |
1296 | cupsdCloseClient(con); | |
1297 | return; | |
1298 | } | |
b423cd4c | 1299 | } |
ef416fc2 | 1300 | } |
1301 | ||
1302 | switch (con->http.state) | |
1303 | { | |
1304 | case HTTP_GET_SEND : | |
1305 | if (!strncmp(con->uri, "/printers/", 10) && | |
1306 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1307 | { | |
1308 | /* | |
1309 | * Send PPD file - get the real printer name since printer | |
1310 | * names are not case sensitive but filenames can be... | |
1311 | */ | |
1312 | ||
1313 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1314 | ||
1315 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1316 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1317 | else | |
1318 | { | |
5bd77a73 | 1319 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1320 | { |
1321 | cupsdCloseClient(con); | |
1322 | return; | |
1323 | } | |
ef416fc2 | 1324 | |
1325 | break; | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | if ((!strncmp(con->uri, "/admin", 6) && | |
1330 | strncmp(con->uri, "/admin/conf/", 12) && | |
1331 | strncmp(con->uri, "/admin/log/", 11)) || | |
1332 | !strncmp(con->uri, "/printers", 9) || | |
1333 | !strncmp(con->uri, "/classes", 8) || | |
1334 | !strncmp(con->uri, "/help", 5) || | |
1335 | !strncmp(con->uri, "/jobs", 5)) | |
1336 | { | |
1337 | /* | |
1338 | * Send CGI output... | |
1339 | */ | |
1340 | ||
1341 | if (!strncmp(con->uri, "/admin", 6)) | |
1342 | { | |
1343 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1344 | ServerBin); | |
1345 | ||
b423cd4c | 1346 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1347 | } |
1348 | else if (!strncmp(con->uri, "/printers", 9)) | |
1349 | { | |
1350 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1351 | ServerBin); | |
b423cd4c | 1352 | |
1353 | if (con->uri[9] && con->uri[10]) | |
1354 | cupsdSetString(&con->options, con->uri + 9); | |
1355 | else | |
1356 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1357 | } |
1358 | else if (!strncmp(con->uri, "/classes", 8)) | |
1359 | { | |
1360 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1361 | ServerBin); | |
b423cd4c | 1362 | |
1363 | if (con->uri[8] && con->uri[9]) | |
1364 | cupsdSetString(&con->options, con->uri + 8); | |
1365 | else | |
1366 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1367 | } |
1368 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1369 | { | |
1370 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1371 | ServerBin); | |
b423cd4c | 1372 | |
1373 | if (con->uri[5] && con->uri[6]) | |
1374 | cupsdSetString(&con->options, con->uri + 5); | |
1375 | else | |
1376 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1377 | } |
1378 | else | |
1379 | { | |
1380 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1381 | ServerBin); | |
ef416fc2 | 1382 | |
b423cd4c | 1383 | if (con->uri[5] && con->uri[6]) |
1384 | cupsdSetString(&con->options, con->uri + 5); | |
1385 | else | |
1386 | cupsdSetString(&con->options, NULL); | |
1387 | } | |
ef416fc2 | 1388 | |
1389 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1390 | { | |
5bd77a73 | 1391 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1392 | { |
1393 | cupsdCloseClient(con); | |
1394 | return; | |
1395 | } | |
ef416fc2 | 1396 | } |
1397 | else | |
1398 | cupsdLogRequest(con, HTTP_OK); | |
1399 | ||
1400 | if (con->http.version <= HTTP_1_0) | |
1401 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1402 | } | |
1403 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1404 | (strchr(con->uri + 12, '/') || | |
1405 | strlen(con->uri) == 12)) || | |
1406 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1407 | (strchr(con->uri + 11, '/') || | |
1408 | strlen(con->uri) == 11))) | |
1409 | { | |
1410 | /* | |
1411 | * GET can only be done to configuration files under | |
1412 | * /admin/conf... | |
1413 | */ | |
1414 | ||
5bd77a73 | 1415 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1416 | { |
1417 | cupsdCloseClient(con); | |
1418 | return; | |
1419 | } | |
ef416fc2 | 1420 | |
1421 | break; | |
1422 | } | |
1423 | else | |
1424 | { | |
1425 | /* | |
1426 | * Serve a file... | |
1427 | */ | |
1428 | ||
1429 | if ((filename = get_file(con, &filestats, buf, | |
1430 | sizeof(buf))) == NULL) | |
1431 | { | |
5bd77a73 | 1432 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1433 | { |
1434 | cupsdCloseClient(con); | |
1435 | return; | |
1436 | } | |
ef416fc2 | 1437 | |
1438 | break; | |
1439 | } | |
1440 | ||
4400e98d | 1441 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1442 | |
e1d6a774 | 1443 | if (is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1444 | { |
1445 | /* | |
1446 | * Note: con->command and con->options were set by | |
e1d6a774 | 1447 | * is_cgi()... |
ef416fc2 | 1448 | */ |
1449 | ||
1450 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
1451 | { | |
5bd77a73 | 1452 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1453 | { |
1454 | cupsdCloseClient(con); | |
1455 | return; | |
1456 | } | |
ef416fc2 | 1457 | } |
1458 | else | |
1459 | cupsdLogRequest(con, HTTP_OK); | |
1460 | ||
1461 | if (con->http.version <= HTTP_1_0) | |
1462 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1463 | break; | |
1464 | } | |
1465 | ||
1466 | if (!check_if_modified(con, &filestats)) | |
1467 | { | |
5bd77a73 | 1468 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1469 | { |
1470 | cupsdCloseClient(con); | |
1471 | return; | |
1472 | } | |
ef416fc2 | 1473 | } |
1474 | else | |
1475 | { | |
1476 | if (type == NULL) | |
1477 | strcpy(line, "text/plain"); | |
1478 | else | |
1479 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1480 | ||
a74454a7 | 1481 | if (!write_file(con, HTTP_OK, filename, line, &filestats)) |
f7deaa1a | 1482 | { |
1483 | cupsdCloseClient(con); | |
1484 | return; | |
1485 | } | |
ef416fc2 | 1486 | } |
1487 | } | |
1488 | break; | |
1489 | ||
1490 | case HTTP_POST_RECV : | |
1491 | /* | |
1492 | * See if the POST request includes a Content-Length field, and if | |
1493 | * so check the length against any limits that are set... | |
1494 | */ | |
1495 | ||
1496 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "POST %s", con->uri); | |
1497 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s", | |
1498 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1499 | ||
1500 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1501 | MaxRequestSize > 0 && | |
1502 | con->http.data_remaining > MaxRequestSize) | |
1503 | { | |
1504 | /* | |
1505 | * Request too large... | |
1506 | */ | |
1507 | ||
5bd77a73 | 1508 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1509 | { |
1510 | cupsdCloseClient(con); | |
1511 | return; | |
1512 | } | |
ef416fc2 | 1513 | |
1514 | break; | |
1515 | } | |
839a51c8 MS |
1516 | else if (con->http.data_remaining < 0 || |
1517 | (!con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1518 | con->http.data_encoding == HTTP_ENCODE_LENGTH)) | |
ef416fc2 | 1519 | { |
1520 | /* | |
1521 | * Negative content lengths are invalid! | |
1522 | */ | |
1523 | ||
5bd77a73 | 1524 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1525 | { |
1526 | cupsdCloseClient(con); | |
1527 | return; | |
1528 | } | |
ef416fc2 | 1529 | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * See what kind of POST request this is; for IPP requests the | |
1535 | * content-type field will be "application/ipp"... | |
1536 | */ | |
1537 | ||
1538 | if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], | |
1539 | "application/ipp")) | |
1540 | con->request = ippNew(); | |
1541 | else if ((!strncmp(con->uri, "/admin", 6) && | |
1542 | strncmp(con->uri, "/admin/conf/", 12) && | |
1543 | strncmp(con->uri, "/admin/log/", 11)) || | |
1544 | !strncmp(con->uri, "/printers", 9) || | |
1545 | !strncmp(con->uri, "/classes", 8) || | |
1546 | !strncmp(con->uri, "/help", 5) || | |
1547 | !strncmp(con->uri, "/jobs", 5)) | |
1548 | { | |
1549 | /* | |
1550 | * CGI request... | |
1551 | */ | |
1552 | ||
1553 | if (!strncmp(con->uri, "/admin", 6)) | |
1554 | { | |
1555 | cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi", | |
1556 | ServerBin); | |
1557 | ||
b423cd4c | 1558 | cupsdSetString(&con->options, strchr(con->uri + 6, '?')); |
ef416fc2 | 1559 | } |
1560 | else if (!strncmp(con->uri, "/printers", 9)) | |
1561 | { | |
1562 | cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi", | |
1563 | ServerBin); | |
b423cd4c | 1564 | |
1565 | if (con->uri[9] && con->uri[10]) | |
1566 | cupsdSetString(&con->options, con->uri + 9); | |
1567 | else | |
1568 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1569 | } |
1570 | else if (!strncmp(con->uri, "/classes", 8)) | |
1571 | { | |
1572 | cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi", | |
1573 | ServerBin); | |
b423cd4c | 1574 | |
1575 | if (con->uri[8] && con->uri[9]) | |
1576 | cupsdSetString(&con->options, con->uri + 8); | |
1577 | else | |
1578 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1579 | } |
1580 | else if (!strncmp(con->uri, "/jobs", 5)) | |
1581 | { | |
1582 | cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi", | |
1583 | ServerBin); | |
b423cd4c | 1584 | |
1585 | if (con->uri[5] && con->uri[6]) | |
1586 | cupsdSetString(&con->options, con->uri + 5); | |
1587 | else | |
1588 | cupsdSetString(&con->options, NULL); | |
ef416fc2 | 1589 | } |
1590 | else | |
1591 | { | |
1592 | cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi", | |
1593 | ServerBin); | |
ef416fc2 | 1594 | |
b423cd4c | 1595 | if (con->uri[5] && con->uri[6]) |
1596 | cupsdSetString(&con->options, con->uri + 5); | |
1597 | else | |
1598 | cupsdSetString(&con->options, NULL); | |
1599 | } | |
ef416fc2 | 1600 | |
1601 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b423cd4c | 1602 | "cupsdReadClient: %d command=\"%s\", " |
1603 | "options = \"%s\"", | |
f301802f | 1604 | con->http.fd, con->command, |
1605 | con->options ? con->options : "(null)"); | |
ef416fc2 | 1606 | |
1607 | if (con->http.version <= HTTP_1_0) | |
1608 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1609 | } | |
1610 | else | |
1611 | { | |
1612 | /* | |
1613 | * POST to a file... | |
1614 | */ | |
1615 | ||
1616 | if ((filename = get_file(con, &filestats, buf, | |
1617 | sizeof(buf))) == NULL) | |
1618 | { | |
5bd77a73 | 1619 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1620 | { |
1621 | cupsdCloseClient(con); | |
1622 | return; | |
1623 | } | |
ef416fc2 | 1624 | |
1625 | break; | |
1626 | } | |
1627 | ||
4400e98d | 1628 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1629 | |
e1d6a774 | 1630 | if (!is_cgi(con, filename, &filestats, type)) |
ef416fc2 | 1631 | { |
1632 | /* | |
1633 | * Only POST to CGI's... | |
1634 | */ | |
1635 | ||
5bd77a73 | 1636 | if (!cupsdSendError(con, HTTP_UNAUTHORIZED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1637 | { |
1638 | cupsdCloseClient(con); | |
1639 | return; | |
1640 | } | |
ef416fc2 | 1641 | } |
1642 | } | |
1643 | break; | |
1644 | ||
1645 | case HTTP_PUT_RECV : | |
1646 | /* | |
1647 | * Validate the resource name... | |
1648 | */ | |
1649 | ||
1650 | if (strncmp(con->uri, "/admin/conf/", 12) || | |
1651 | strchr(con->uri + 12, '/') || | |
1652 | strlen(con->uri) == 12) | |
1653 | { | |
1654 | /* | |
1655 | * PUT can only be done to configuration files under | |
1656 | * /admin/conf... | |
1657 | */ | |
1658 | ||
5bd77a73 | 1659 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1660 | { |
1661 | cupsdCloseClient(con); | |
1662 | return; | |
1663 | } | |
ef416fc2 | 1664 | |
1665 | break; | |
1666 | } | |
1667 | ||
1668 | /* | |
1669 | * See if the PUT request includes a Content-Length field, and if | |
1670 | * so check the length against any limits that are set... | |
1671 | */ | |
1672 | ||
1673 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "PUT %s", con->uri); | |
1674 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s", | |
1675 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1676 | ||
1677 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1678 | MaxRequestSize > 0 && | |
1679 | con->http.data_remaining > MaxRequestSize) | |
1680 | { | |
1681 | /* | |
1682 | * Request too large... | |
1683 | */ | |
1684 | ||
5bd77a73 | 1685 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1686 | { |
1687 | cupsdCloseClient(con); | |
1688 | return; | |
1689 | } | |
ef416fc2 | 1690 | |
1691 | break; | |
1692 | } | |
1693 | else if (con->http.data_remaining < 0) | |
1694 | { | |
1695 | /* | |
1696 | * Negative content lengths are invalid! | |
1697 | */ | |
1698 | ||
5bd77a73 | 1699 | if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE)) |
f7deaa1a | 1700 | { |
1701 | cupsdCloseClient(con); | |
1702 | return; | |
1703 | } | |
ef416fc2 | 1704 | |
1705 | break; | |
1706 | } | |
1707 | ||
1708 | /* | |
1709 | * Open a temporary file to hold the request... | |
1710 | */ | |
1711 | ||
1712 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, | |
1713 | request_id ++); | |
1714 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
1715 | ||
ef416fc2 | 1716 | if (con->file < 0) |
1717 | { | |
a4924f6c MS |
1718 | cupsdLogMessage(CUPSD_LOG_ERROR, |
1719 | "Unable to create request file %s: %s", | |
1720 | con->filename, strerror(errno)); | |
1721 | ||
5bd77a73 | 1722 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1723 | { |
1724 | cupsdCloseClient(con); | |
1725 | return; | |
1726 | } | |
ef416fc2 | 1727 | } |
1728 | ||
a4924f6c MS |
1729 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
1730 | "cupsdReadClient: %d REQUEST %s=%d", con->http.fd, | |
1731 | con->filename, con->file); | |
1732 | ||
ef416fc2 | 1733 | fchmod(con->file, 0640); |
1734 | fchown(con->file, RunUser, Group); | |
1735 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1736 | break; | |
1737 | ||
1738 | case HTTP_DELETE : | |
1739 | case HTTP_TRACE : | |
5bd77a73 | 1740 | cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE); |
f7deaa1a | 1741 | cupsdCloseClient(con); |
1742 | return; | |
ef416fc2 | 1743 | |
1744 | case HTTP_HEAD : | |
1745 | if (!strncmp(con->uri, "/printers/", 10) && | |
1746 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
1747 | { | |
1748 | /* | |
1749 | * Send PPD file - get the real printer name since printer | |
1750 | * names are not case sensitive but filenames can be... | |
1751 | */ | |
1752 | ||
1753 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ | |
1754 | ||
1755 | if ((p = cupsdFindPrinter(con->uri + 10)) != NULL) | |
1756 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1757 | else | |
1758 | { | |
5bd77a73 | 1759 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 1760 | { |
1761 | cupsdCloseClient(con); | |
1762 | return; | |
1763 | } | |
ef416fc2 | 1764 | |
1765 | break; | |
1766 | } | |
1767 | } | |
1768 | ||
1769 | if ((!strncmp(con->uri, "/admin", 6) && | |
1770 | strncmp(con->uri, "/admin/conf/", 12) && | |
1771 | strncmp(con->uri, "/admin/log/", 11)) || | |
1772 | !strncmp(con->uri, "/printers", 9) || | |
1773 | !strncmp(con->uri, "/classes", 8) || | |
1774 | !strncmp(con->uri, "/help", 5) || | |
1775 | !strncmp(con->uri, "/jobs", 5)) | |
1776 | { | |
1777 | /* | |
1778 | * CGI output... | |
1779 | */ | |
1780 | ||
5bd77a73 | 1781 | if (!cupsdSendHeader(con, HTTP_OK, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1782 | { |
1783 | cupsdCloseClient(con); | |
1784 | return; | |
1785 | } | |
ef416fc2 | 1786 | |
1787 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1788 | { |
1789 | cupsdCloseClient(con); | |
1790 | return; | |
1791 | } | |
ef416fc2 | 1792 | |
07725fee | 1793 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1794 | { |
1795 | cupsdCloseClient(con); | |
1796 | return; | |
1797 | } | |
d09495fa | 1798 | |
ef416fc2 | 1799 | cupsdLogRequest(con, HTTP_OK); |
1800 | } | |
1801 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && | |
1802 | (strchr(con->uri + 12, '/') || | |
1803 | strlen(con->uri) == 12)) || | |
1804 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1805 | (strchr(con->uri + 11, '/') || | |
1806 | strlen(con->uri) == 11))) | |
1807 | { | |
1808 | /* | |
1809 | * HEAD can only be done to configuration files under | |
1810 | * /admin/conf... | |
1811 | */ | |
1812 | ||
5bd77a73 | 1813 | if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE)) |
f7deaa1a | 1814 | { |
1815 | cupsdCloseClient(con); | |
1816 | return; | |
1817 | } | |
ef416fc2 | 1818 | |
1819 | break; | |
1820 | } | |
1821 | else if ((filename = get_file(con, &filestats, buf, | |
1822 | sizeof(buf))) == NULL) | |
1823 | { | |
5bd77a73 | 1824 | if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html", CUPSD_AUTH_NONE)) |
f7deaa1a | 1825 | { |
1826 | cupsdCloseClient(con); | |
1827 | return; | |
1828 | } | |
ef416fc2 | 1829 | |
1830 | cupsdLogRequest(con, HTTP_NOT_FOUND); | |
1831 | } | |
1832 | else if (!check_if_modified(con, &filestats)) | |
1833 | { | |
5bd77a73 | 1834 | if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE)) |
f7deaa1a | 1835 | { |
1836 | cupsdCloseClient(con); | |
1837 | return; | |
1838 | } | |
ef416fc2 | 1839 | |
1840 | cupsdLogRequest(con, HTTP_NOT_MODIFIED); | |
1841 | } | |
1842 | else | |
1843 | { | |
1844 | /* | |
1845 | * Serve a file... | |
1846 | */ | |
1847 | ||
4400e98d | 1848 | type = mimeFileType(MimeDatabase, filename, NULL, NULL); |
ef416fc2 | 1849 | if (type == NULL) |
1850 | strcpy(line, "text/plain"); | |
1851 | else | |
1852 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1853 | ||
5bd77a73 | 1854 | if (!cupsdSendHeader(con, HTTP_OK, line, CUPSD_AUTH_NONE)) |
f7deaa1a | 1855 | { |
1856 | cupsdCloseClient(con); | |
1857 | return; | |
1858 | } | |
ef416fc2 | 1859 | |
1860 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
1861 | httpGetDateString(filestats.st_mtime)) < 0) | |
f7deaa1a | 1862 | { |
1863 | cupsdCloseClient(con); | |
1864 | return; | |
1865 | } | |
ef416fc2 | 1866 | |
1867 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", | |
1868 | (unsigned long)filestats.st_size) < 0) | |
f7deaa1a | 1869 | { |
1870 | cupsdCloseClient(con); | |
1871 | return; | |
1872 | } | |
ef416fc2 | 1873 | |
1874 | cupsdLogRequest(con, HTTP_OK); | |
1875 | } | |
1876 | ||
1877 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
f7deaa1a | 1878 | { |
1879 | cupsdCloseClient(con); | |
1880 | return; | |
1881 | } | |
ef416fc2 | 1882 | |
07725fee | 1883 | if (cupsdFlushHeader(con) < 0) |
f7deaa1a | 1884 | { |
1885 | cupsdCloseClient(con); | |
1886 | return; | |
1887 | } | |
d09495fa | 1888 | |
ef416fc2 | 1889 | con->http.state = HTTP_WAITING; |
1890 | break; | |
1891 | ||
1892 | default : | |
1893 | break; /* Anti-compiler-warning-code */ | |
1894 | } | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | /* | |
1899 | * Handle any incoming data... | |
1900 | */ | |
1901 | ||
1902 | switch (con->http.state) | |
1903 | { | |
1904 | case HTTP_PUT_RECV : | |
1905 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1906 | "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_%s, " | |
1907 | "con->data_remaining=" CUPS_LLFMT ", con->file=%d", | |
1908 | con->http.fd, | |
1909 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? | |
1910 | "CHUNKED" : "LENGTH", | |
1911 | CUPS_LLCAST con->http.data_remaining, con->file); | |
1912 | ||
f7deaa1a | 1913 | do |
ef416fc2 | 1914 | { |
f7deaa1a | 1915 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
1916 | { | |
1917 | cupsdCloseClient(con); | |
1918 | return; | |
1919 | } | |
1920 | else if (bytes > 0) | |
1921 | { | |
1922 | con->bytes += bytes; | |
ef416fc2 | 1923 | |
f7deaa1a | 1924 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
1925 | "cupsdReadClient: %d writing %d bytes to %d", | |
1926 | con->http.fd, bytes, con->file); | |
ef416fc2 | 1927 | |
f7deaa1a | 1928 | if (write(con->file, line, bytes) < bytes) |
1929 | { | |
1930 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
1931 | "cupsdReadClient: Unable to write %d bytes to %s: %s", | |
1932 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 1933 | |
f7deaa1a | 1934 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
1935 | "cupsdReadClient: Closing data file %d...", | |
1936 | con->file); | |
ef416fc2 | 1937 | |
f7deaa1a | 1938 | close(con->file); |
1939 | con->file = -1; | |
1940 | unlink(con->filename); | |
1941 | cupsdClearString(&con->filename); | |
ef416fc2 | 1942 | |
5bd77a73 | 1943 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1944 | { |
1945 | cupsdCloseClient(con); | |
1946 | return; | |
1947 | } | |
1948 | } | |
ef416fc2 | 1949 | } |
f7deaa1a | 1950 | } |
ee571f26 | 1951 | while (con->http.state == HTTP_PUT_RECV && data_ready(con)); |
ef416fc2 | 1952 | |
1953 | if (con->http.state == HTTP_WAITING) | |
1954 | { | |
1955 | /* | |
1956 | * End of file, see how big it is... | |
1957 | */ | |
1958 | ||
1959 | fstat(con->file, &filestats); | |
1960 | ||
1961 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1962 | "cupsdReadClient: %d Closing data file %d, size=" | |
1963 | CUPS_LLFMT ".", | |
1964 | con->http.fd, con->file, | |
1965 | CUPS_LLCAST filestats.st_size); | |
1966 | ||
1967 | close(con->file); | |
1968 | con->file = -1; | |
1969 | ||
1970 | if (filestats.st_size > MaxRequestSize && | |
1971 | MaxRequestSize > 0) | |
1972 | { | |
1973 | /* | |
1974 | * Request is too big; remove it and send an error... | |
1975 | */ | |
1976 | ||
1977 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
1978 | "cupsdReadClient: %d Removing temp file %s", | |
1979 | con->http.fd, con->filename); | |
1980 | unlink(con->filename); | |
1981 | cupsdClearString(&con->filename); | |
1982 | ||
5bd77a73 | 1983 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 1984 | { |
1985 | cupsdCloseClient(con); | |
1986 | return; | |
1987 | } | |
ef416fc2 | 1988 | } |
1989 | ||
1990 | /* | |
1991 | * Install the configuration file... | |
1992 | */ | |
1993 | ||
1994 | status = install_conf_file(con); | |
1995 | ||
1996 | /* | |
1997 | * Return the status to the client... | |
1998 | */ | |
1999 | ||
5bd77a73 | 2000 | if (!cupsdSendError(con, status, CUPSD_AUTH_NONE)) |
f7deaa1a | 2001 | { |
2002 | cupsdCloseClient(con); | |
2003 | return; | |
2004 | } | |
ef416fc2 | 2005 | } |
2006 | break; | |
2007 | ||
2008 | case HTTP_POST_RECV : | |
2009 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2010 | "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_" | |
2011 | "%s, con->data_remaining=" CUPS_LLFMT ", con->file=%d", | |
2012 | con->http.fd, | |
2013 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? | |
2014 | "CHUNKED" : "LENGTH", | |
2015 | CUPS_LLCAST con->http.data_remaining, con->file); | |
2016 | ||
f7deaa1a | 2017 | do |
ef416fc2 | 2018 | { |
f7deaa1a | 2019 | if (con->request) |
ef416fc2 | 2020 | { |
f7deaa1a | 2021 | /* |
2022 | * Grab any request data from the connection... | |
2023 | */ | |
ef416fc2 | 2024 | |
f7deaa1a | 2025 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
ef416fc2 | 2026 | { |
f7deaa1a | 2027 | cupsdLogMessage(CUPSD_LOG_ERROR, |
2028 | "cupsdReadClient: %d IPP Read Error!", | |
2029 | con->http.fd); | |
2030 | ||
5bd77a73 | 2031 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2032 | cupsdCloseClient(con); |
2033 | return; | |
ef416fc2 | 2034 | } |
f7deaa1a | 2035 | else if (ipp_state != IPP_DATA) |
2036 | { | |
2037 | if (con->http.state == HTTP_POST_SEND) | |
2038 | { | |
5bd77a73 | 2039 | cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE); |
f7deaa1a | 2040 | cupsdCloseClient(con); |
2041 | return; | |
2042 | } | |
ef416fc2 | 2043 | |
f7deaa1a | 2044 | break; |
2045 | } | |
2046 | else | |
2047 | con->bytes += ippLength(con->request); | |
2048 | } | |
ef416fc2 | 2049 | |
f7deaa1a | 2050 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
2051 | { | |
2052 | /* | |
2053 | * Create a file as needed for the request data... | |
2054 | */ | |
ef416fc2 | 2055 | |
f7deaa1a | 2056 | cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
2057 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); | |
ef416fc2 | 2058 | |
f7deaa1a | 2059 | if (con->file < 0) |
2060 | { | |
a4924f6c MS |
2061 | cupsdLogMessage(CUPSD_LOG_ERROR, |
2062 | "Unable to create request file %s: %s", | |
2063 | con->filename, strerror(errno)); | |
2064 | ||
5bd77a73 | 2065 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2066 | { |
2067 | cupsdCloseClient(con); | |
2068 | return; | |
2069 | } | |
2070 | } | |
ef416fc2 | 2071 | |
a4924f6c MS |
2072 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: %d REQUEST %s=%d", con->http.fd, |
2073 | con->filename, con->file); | |
2074 | ||
f7deaa1a | 2075 | fchmod(con->file, 0640); |
2076 | fchown(con->file, RunUser, Group); | |
2077 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2078 | } | |
ef416fc2 | 2079 | |
f7deaa1a | 2080 | if (con->http.state != HTTP_POST_SEND) |
ef416fc2 | 2081 | { |
f7deaa1a | 2082 | if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0) |
2083 | { | |
2084 | cupsdCloseClient(con); | |
2085 | return; | |
2086 | } | |
2087 | else if (bytes > 0) | |
2088 | { | |
2089 | con->bytes += bytes; | |
ef416fc2 | 2090 | |
f7deaa1a | 2091 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
2092 | "cupsdReadClient: %d writing %d bytes to %d", | |
2093 | con->http.fd, bytes, con->file); | |
ef416fc2 | 2094 | |
f7deaa1a | 2095 | if (write(con->file, line, bytes) < bytes) |
2096 | { | |
2097 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2098 | "cupsdReadClient: Unable to write %d bytes to %s: %s", | |
2099 | bytes, con->filename, strerror(errno)); | |
ef416fc2 | 2100 | |
f7deaa1a | 2101 | cupsdLogMessage(CUPSD_LOG_DEBUG2, |
2102 | "cupsdReadClient: Closing file %d...", | |
2103 | con->file); | |
ef416fc2 | 2104 | |
f7deaa1a | 2105 | close(con->file); |
2106 | con->file = -1; | |
2107 | unlink(con->filename); | |
2108 | cupsdClearString(&con->filename); | |
ef416fc2 | 2109 | |
5bd77a73 | 2110 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2111 | { |
2112 | cupsdCloseClient(con); | |
2113 | return; | |
2114 | } | |
2115 | } | |
2116 | } | |
2117 | else if (con->http.state == HTTP_POST_RECV) | |
2118 | return; | |
2119 | else if (con->http.state != HTTP_POST_SEND) | |
2120 | { | |
2121 | cupsdCloseClient(con); | |
2122 | return; | |
ef416fc2 | 2123 | } |
2124 | } | |
f7deaa1a | 2125 | } |
ee571f26 | 2126 | while (con->http.state == HTTP_POST_RECV && data_ready(con)); |
ef416fc2 | 2127 | |
2128 | if (con->http.state == HTTP_POST_SEND) | |
2129 | { | |
2130 | if (con->file >= 0) | |
2131 | { | |
2132 | fstat(con->file, &filestats); | |
2133 | ||
2134 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2135 | "cupsdReadClient: %d Closing data file %d, " | |
2136 | "size=" CUPS_LLFMT ".", | |
2137 | con->http.fd, con->file, | |
2138 | CUPS_LLCAST filestats.st_size); | |
2139 | ||
2140 | close(con->file); | |
2141 | con->file = -1; | |
2142 | ||
2143 | if (filestats.st_size > MaxRequestSize && | |
2144 | MaxRequestSize > 0) | |
2145 | { | |
2146 | /* | |
2147 | * Request is too big; remove it and send an error... | |
2148 | */ | |
2149 | ||
2150 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2151 | "cupsdReadClient: %d Removing temp file %s", | |
2152 | con->http.fd, con->filename); | |
2153 | unlink(con->filename); | |
2154 | cupsdClearString(&con->filename); | |
2155 | ||
2156 | if (con->request) | |
2157 | { | |
2158 | /* | |
2159 | * Delete any IPP request data... | |
2160 | */ | |
2161 | ||
2162 | ippDelete(con->request); | |
2163 | con->request = NULL; | |
2164 | } | |
2165 | ||
5bd77a73 | 2166 | if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE)) |
f7deaa1a | 2167 | { |
2168 | cupsdCloseClient(con); | |
2169 | return; | |
2170 | } | |
ef416fc2 | 2171 | } |
2172 | ||
2173 | if (con->command) | |
2174 | { | |
2175 | if (!cupsdSendCommand(con, con->command, con->options, 0)) | |
2176 | { | |
5bd77a73 | 2177 | if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE)) |
f7deaa1a | 2178 | { |
2179 | cupsdCloseClient(con); | |
2180 | return; | |
2181 | } | |
ef416fc2 | 2182 | } |
2183 | else | |
2184 | cupsdLogRequest(con, HTTP_OK); | |
2185 | } | |
2186 | } | |
2187 | ||
2188 | if (con->request) | |
f7deaa1a | 2189 | { |
2190 | cupsdProcessIPPRequest(con); | |
bc44d920 | 2191 | |
2192 | if (con->filename) | |
2193 | { | |
2194 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2195 | "cupsdReadClient: %d Removing temp file %s", | |
2196 | con->http.fd, con->filename); | |
2197 | unlink(con->filename); | |
2198 | cupsdClearString(&con->filename); | |
2199 | } | |
2200 | ||
f7deaa1a | 2201 | return; |
2202 | } | |
ef416fc2 | 2203 | } |
2204 | break; | |
2205 | ||
2206 | default : | |
2207 | break; /* Anti-compiler-warning-code */ | |
2208 | } | |
2209 | ||
3dfe78b3 MS |
2210 | if (con->http.state == HTTP_WAITING) |
2211 | { | |
2212 | if (!con->http.keep_alive) | |
2213 | cupsdCloseClient(con); | |
2214 | else | |
2215 | { | |
2216 | cupsArrayRemove(ActiveClients, con); | |
2217 | cupsdSetBusyState(); | |
2218 | } | |
2219 | } | |
ef416fc2 | 2220 | } |
2221 | ||
2222 | ||
2223 | /* | |
2224 | * 'cupsdSendCommand()' - Send output from a command via HTTP. | |
2225 | */ | |
2226 | ||
2227 | int /* O - 1 on success, 0 on failure */ | |
2228 | cupsdSendCommand( | |
2229 | cupsd_client_t *con, /* I - Client connection */ | |
2230 | char *command, /* I - Command to run */ | |
2231 | char *options, /* I - Command-line options */ | |
2232 | int root) /* I - Run as root? */ | |
2233 | { | |
2234 | int fd; /* Standard input file descriptor */ | |
2235 | ||
2236 | ||
2237 | if (con->filename) | |
ed486911 | 2238 | { |
ef416fc2 | 2239 | fd = open(con->filename, O_RDONLY); |
ef416fc2 | 2240 | |
ed486911 | 2241 | if (fd < 0) |
2242 | { | |
2243 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2244 | "cupsdSendCommand: %d Unable to open \"%s\" for reading: %s", | |
2245 | con->http.fd, con->filename ? con->filename : "/dev/null", | |
2246 | strerror(errno)); | |
2247 | return (0); | |
2248 | } | |
ef416fc2 | 2249 | |
ed486911 | 2250 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); |
2251 | } | |
2252 | else | |
2253 | fd = -1; | |
ef416fc2 | 2254 | |
2255 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); | |
2256 | ||
ed486911 | 2257 | if (fd >= 0) |
2258 | close(fd); | |
ef416fc2 | 2259 | |
2260 | cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command, | |
2261 | con->pipe_pid); | |
2262 | ||
2263 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendCommand: %d file=%d", | |
2264 | con->http.fd, con->file); | |
2265 | ||
2266 | if (con->pipe_pid == 0) | |
2267 | return (0); | |
2268 | ||
2269 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2270 | ||
f899b121 | 2271 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
ef416fc2 | 2272 | |
2273 | con->sent_header = 0; | |
2274 | con->file_ready = 0; | |
2275 | con->got_fields = 0; | |
2276 | con->field_col = 0; | |
2277 | ||
2278 | return (1); | |
2279 | } | |
2280 | ||
2281 | ||
2282 | /* | |
2283 | * 'cupsdSendError()' - Send an error message via HTTP. | |
2284 | */ | |
2285 | ||
2286 | int /* O - 1 if successful, 0 otherwise */ | |
2287 | cupsdSendError(cupsd_client_t *con, /* I - Connection */ | |
f899b121 | 2288 | http_status_t code, /* I - Error code */ |
2289 | int auth_type)/* I - Authentication type */ | |
ef416fc2 | 2290 | { |
4744bd90 | 2291 | #ifdef HAVE_SSL |
2292 | /* | |
2293 | * Force client to upgrade for authentication if that is how the | |
2294 | * server is configured... | |
2295 | */ | |
2296 | ||
2297 | if (code == HTTP_UNAUTHORIZED && | |
2298 | DefaultEncryption == HTTP_ENCRYPT_REQUIRED && | |
2299 | strcasecmp(con->http.hostname, "localhost") && | |
2300 | !con->http.tls) | |
2301 | { | |
2302 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2303 | "cupsdSendError: Encryption before authentication!"); | |
2304 | code = HTTP_UPGRADE_REQUIRED; | |
2305 | } | |
2306 | #endif /* HAVE_SSL */ | |
2307 | ||
ef416fc2 | 2308 | /* |
2309 | * Put the request in the access_log file... | |
2310 | */ | |
2311 | ||
2312 | cupsdLogRequest(con, code); | |
2313 | ||
2314 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendError: %d code=%d (%s)", | |
2315 | con->http.fd, code, httpStatus(code)); | |
2316 | ||
2317 | /* | |
2318 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2319 | * error messages... | |
f7deaa1a | 2320 | * |
2321 | * Kerberos authentication doesn't work without Keep-Alive, so | |
2322 | * never disable it in that case. | |
ef416fc2 | 2323 | */ |
2324 | ||
5bd77a73 | 2325 | if (code >= HTTP_BAD_REQUEST && con->http.auth_type != CUPSD_AUTH_NEGOTIATE) |
ef416fc2 | 2326 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; |
2327 | ||
2328 | /* | |
2329 | * Send an error message back to the client. If the error code is a | |
2330 | * 400 or 500 series, make sure the message contains some text, too! | |
2331 | */ | |
2332 | ||
f899b121 | 2333 | if (!cupsdSendHeader(con, code, NULL, auth_type)) |
ef416fc2 | 2334 | return (0); |
2335 | ||
2336 | #ifdef HAVE_SSL | |
2337 | if (code == HTTP_UPGRADE_REQUIRED) | |
2338 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) | |
2339 | return (0); | |
2340 | ||
2341 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) | |
2342 | return (0); | |
2343 | #endif /* HAVE_SSL */ | |
2344 | ||
f7deaa1a | 2345 | if (con->http.version >= HTTP_1_1 && |
2346 | con->http.keep_alive == HTTP_KEEPALIVE_OFF) | |
ef416fc2 | 2347 | { |
2348 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2349 | return (0); | |
2350 | } | |
2351 | ||
2352 | if (code >= HTTP_BAD_REQUEST) | |
2353 | { | |
2354 | /* | |
2355 | * Send a human-readable error message. | |
2356 | */ | |
2357 | ||
80ca4592 | 2358 | char message[4096], /* Message for user */ |
2359 | urltext[1024], /* URL redirection text */ | |
2360 | redirect[1024]; /* Redirection link */ | |
ef416fc2 | 2361 | const char *text; /* Status-specific text */ |
2362 | ||
80ca4592 | 2363 | |
2364 | redirect[0] = '\0'; | |
2365 | ||
ef416fc2 | 2366 | if (code == HTTP_UNAUTHORIZED) |
2367 | text = _cupsLangString(con->language, | |
2368 | _("Enter your username and password or the " | |
2369 | "root username and password to access this " | |
f7deaa1a | 2370 | "page. If you are using Kerberos authentication, " |
2371 | "make sure you have a valid Kerberos ticket.")); | |
ef416fc2 | 2372 | else if (code == HTTP_UPGRADE_REQUIRED) |
80ca4592 | 2373 | { |
2374 | text = urltext; | |
2375 | ||
2376 | snprintf(urltext, sizeof(urltext), | |
2377 | _cupsLangString(con->language, | |
2378 | _("You must access this page using the URL " | |
2379 | "<A HREF=\"https://%s:%d%s\">" | |
2380 | "https://%s:%d%s</A>.")), | |
2381 | con->servername, con->serverport, con->uri, | |
2382 | con->servername, con->serverport, con->uri); | |
2383 | ||
2384 | snprintf(redirect, sizeof(redirect), | |
b86bc4cf | 2385 | "<META HTTP-EQUIV=\"Refresh\" " |
2386 | "CONTENT=\"3;URL=https://%s:%d%s\">\n", | |
80ca4592 | 2387 | con->servername, con->serverport, con->uri); |
2388 | } | |
ef416fc2 | 2389 | else |
2390 | text = ""; | |
2391 | ||
2392 | snprintf(message, sizeof(message), | |
2393 | "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" " | |
2394 | "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n" | |
2395 | "<HTML>\n" | |
2396 | "<HEAD>\n" | |
2397 | "\t<META HTTP-EQUIV=\"Content-Type\" " | |
2398 | "CONTENT=\"text/html; charset=utf-8\">\n" | |
2399 | "\t<TITLE>%d %s</TITLE>\n" | |
2400 | "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" " | |
2401 | "HREF=\"/cups.css\">\n" | |
80ca4592 | 2402 | "%s" |
ef416fc2 | 2403 | "</HEAD>\n" |
2404 | "<BODY>\n" | |
2405 | "<H1>%d %s</H1>\n" | |
2406 | "<P>%s</P>\n" | |
2407 | "</BODY>\n" | |
2408 | "</HTML>\n", | |
80ca4592 | 2409 | code, httpStatus(code), redirect, code, httpStatus(code), text); |
ef416fc2 | 2410 | |
2411 | if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2412 | return (0); | |
2413 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", | |
2414 | (int)strlen(message)) < 0) | |
2415 | return (0); | |
2416 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2417 | return (0); | |
2418 | if (httpPrintf(HTTP(con), "%s", message) < 0) | |
2419 | return (0); | |
2420 | } | |
2421 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2422 | return (0); | |
2423 | ||
07725fee | 2424 | if (cupsdFlushHeader(con) < 0) |
2425 | return (0); | |
d09495fa | 2426 | |
ef416fc2 | 2427 | con->http.state = HTTP_WAITING; |
2428 | ||
2429 | return (1); | |
2430 | } | |
2431 | ||
2432 | ||
ef416fc2 | 2433 | /* |
2434 | * 'cupsdSendHeader()' - Send an HTTP request. | |
2435 | */ | |
2436 | ||
2437 | int /* O - 1 on success, 0 on failure */ | |
f899b121 | 2438 | cupsdSendHeader( |
2439 | cupsd_client_t *con, /* I - Client to send to */ | |
2440 | http_status_t code, /* I - HTTP status code */ | |
2441 | char *type, /* I - MIME type of document */ | |
2442 | int auth_type) /* I - Type of authentication */ | |
ef416fc2 | 2443 | { |
5a738aea MS |
2444 | char auth_str[1024]; /* Authorization string */ |
2445 | #ifdef HAVE_GSSAPI | |
2446 | static char *gss_buf = NULL; /* Kerberos auth data buffer */ | |
2447 | static int gss_bufsize = 0; /* Size of Kerberos auth data buffer */ | |
2448 | #endif /* HAVE_GSSAPI */ | |
f7deaa1a | 2449 | |
2450 | ||
4744bd90 | 2451 | /* |
2452 | * Send the HTTP status header... | |
2453 | */ | |
2454 | ||
b423cd4c | 2455 | if (code == HTTP_CONTINUE) |
2456 | { | |
4744bd90 | 2457 | /* |
2458 | * 100-continue doesn't send any headers... | |
2459 | */ | |
2460 | ||
07725fee | 2461 | return (httpPrintf(HTTP(con), "HTTP/%d.%d 100 Continue\r\n\r\n", |
2462 | con->http.version / 100, con->http.version % 100) > 0); | |
b423cd4c | 2463 | } |
2464 | ||
07725fee | 2465 | httpFlushWrite(HTTP(con)); |
2466 | ||
2467 | con->http.data_encoding = HTTP_ENCODE_FIELDS; | |
2468 | ||
2469 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, | |
2470 | con->http.version % 100, code, httpStatus(code)) < 0) | |
2471 | return (0); | |
ef416fc2 | 2472 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) |
2473 | return (0); | |
2474 | if (ServerHeader) | |
2475 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2476 | return (0); | |
2477 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) | |
2478 | { | |
2479 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2480 | return (0); | |
2481 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", | |
2482 | KeepAliveTimeout) < 0) | |
2483 | return (0); | |
2484 | } | |
2485 | if (code == HTTP_METHOD_NOT_ALLOWED) | |
2486 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0) | |
2487 | return (0); | |
2488 | ||
2489 | if (code == HTTP_UNAUTHORIZED) | |
2490 | { | |
5bd77a73 | 2491 | if (auth_type == CUPSD_AUTH_NONE) |
f899b121 | 2492 | { |
5bd77a73 | 2493 | if (!con->best || con->best->type <= CUPSD_AUTH_NONE) |
f899b121 | 2494 | auth_type = DefaultAuthType; |
2495 | else | |
2496 | auth_type = con->best->type; | |
2497 | } | |
f7deaa1a | 2498 | |
2499 | auth_str[0] = '\0'; | |
2500 | ||
5bd77a73 | 2501 | if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST) |
f7deaa1a | 2502 | strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str)); |
5bd77a73 | 2503 | else if (auth_type == CUPSD_AUTH_DIGEST) |
f7deaa1a | 2504 | snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"", |
2505 | con->http.hostname); | |
2506 | #ifdef HAVE_GSSAPI | |
5bd77a73 | 2507 | else if (auth_type == CUPSD_AUTH_NEGOTIATE && con->gss_output_token.length == 0) |
f7deaa1a | 2508 | strlcpy(auth_str, "Negotiate", sizeof(auth_str)); |
2509 | #endif /* HAVE_GSSAPI */ | |
2510 | ||
2511 | #ifdef HAVE_AUTHORIZATION_H | |
5bd77a73 | 2512 | if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE) |
ef416fc2 | 2513 | { |
f7deaa1a | 2514 | int i; /* Looping var */ |
2515 | char *auth_key; /* Auth key buffer */ | |
2516 | size_t auth_size; /* Size of remaining buffer */ | |
2517 | ||
2518 | ||
2519 | auth_key = auth_str + strlen(auth_str); | |
2520 | auth_size = sizeof(auth_str) - (auth_key - auth_str); | |
2521 | ||
2522 | for (i = 0; i < con->best->num_names; i ++) | |
2523 | { | |
2524 | if (!strncasecmp(con->best->names[i], "@AUTHKEY(", 9)) | |
2525 | { | |
2526 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", | |
2527 | con->best->names[i] + 9); | |
2528 | /* end parenthesis is stripped in conf.c */ | |
2529 | break; | |
2530 | } | |
2531 | else if (!strcasecmp(con->best->names[i], "@SYSTEM") && | |
2532 | SystemGroupAuthKey) | |
2533 | { | |
2534 | snprintf(auth_key, auth_size, ", authkey=\"%s\"", SystemGroupAuthKey); | |
2535 | break; | |
2536 | } | |
2537 | } | |
ef416fc2 | 2538 | } |
f7deaa1a | 2539 | #endif /* HAVE_AUTHORIZATION_H */ |
2540 | ||
bc44d920 | 2541 | if (auth_str[0]) |
2542 | { | |
355e94dc | 2543 | cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendHeader: WWW-Authenticate: %s", |
bc44d920 | 2544 | auth_str); |
2545 | ||
2546 | if (httpPrintf(HTTP(con), "WWW-Authenticate: %s\r\n", auth_str) < 0) | |
2547 | return (0); | |
2548 | } | |
ef416fc2 | 2549 | } |
2550 | ||
f7deaa1a | 2551 | #ifdef HAVE_GSSAPI |
2552 | /* | |
2553 | * WWW-Authenticate: Negotiate can be included even for | |
2554 | * non-401 replies... | |
2555 | */ | |
2556 | ||
5a738aea | 2557 | if (con->gss_output_token.length > 0 && con->gss_output_token.length <= 65536) |
f7deaa1a | 2558 | { |
f7deaa1a | 2559 | OM_uint32 minor_status; /* Minor status code */ |
5a738aea MS |
2560 | int bufsize; /* Size of output token buffer */ |
2561 | ||
2562 | ||
2563 | bufsize = con->gss_output_token.length * 4 / 3 + 2; | |
2564 | ||
2565 | if (bufsize > gss_bufsize) | |
2566 | { | |
2567 | char *buf; /* New buffer */ | |
2568 | ||
f7deaa1a | 2569 | |
5a738aea | 2570 | bufsize = (bufsize + 1023) & 1023;/* Round up */ |
f7deaa1a | 2571 | |
5a738aea MS |
2572 | if (gss_buf) |
2573 | buf = realloc(gss_buf, bufsize); | |
2574 | else | |
2575 | buf = malloc(bufsize); | |
2576 | ||
2577 | if (!buf) | |
2578 | { | |
2579 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2580 | "Unable to allocate %d bytes for Kerberos credentials!", | |
2581 | bufsize); | |
2582 | return (0); | |
2583 | } | |
2584 | ||
2585 | gss_buf = buf; | |
2586 | gss_bufsize = bufsize; | |
2587 | } | |
2588 | ||
2589 | httpEncode64_2(gss_buf, gss_bufsize, | |
2590 | con->gss_output_token.value, | |
f7deaa1a | 2591 | con->gss_output_token.length); |
2592 | gss_release_buffer(&minor_status, &con->gss_output_token); | |
2593 | ||
355e94dc | 2594 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
5a738aea | 2595 | "cupsdSendHeader: WWW-Authenticate: Negotiate %s", gss_buf); |
355e94dc | 2596 | |
5a738aea MS |
2597 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Negotiate %s\r\n", |
2598 | gss_buf) < 0) | |
f7deaa1a | 2599 | return (0); |
2600 | } | |
5a738aea MS |
2601 | else if (con->gss_output_token.length > 65536) |
2602 | { | |
2603 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
2604 | "Kerberos credentials larger than 64k (%d)!", | |
ac884b6a | 2605 | (int)con->gss_output_token.length); |
5a738aea MS |
2606 | return (0); |
2607 | } | |
f7deaa1a | 2608 | #endif /* HAVE_GSSAPI */ |
2609 | ||
e1d6a774 | 2610 | if (con->language && strcmp(con->language->language, "C")) |
ef416fc2 | 2611 | { |
2612 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2613 | con->language->language) < 0) | |
2614 | return (0); | |
2615 | } | |
2616 | ||
e1d6a774 | 2617 | if (type) |
ef416fc2 | 2618 | { |
2619 | if (!strcmp(type, "text/html")) | |
2620 | { | |
2621 | if (httpPrintf(HTTP(con), | |
2622 | "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
2623 | return (0); | |
2624 | } | |
2625 | else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
2626 | return (0); | |
2627 | } | |
2628 | ||
2629 | return (1); | |
2630 | } | |
2631 | ||
2632 | ||
2633 | /* | |
2634 | * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs. | |
2635 | */ | |
2636 | ||
2637 | void | |
2638 | cupsdUpdateCGI(void) | |
2639 | { | |
2640 | char *ptr, /* Pointer to end of line in buffer */ | |
2641 | message[1024]; /* Pointer to message text */ | |
2642 | int loglevel; /* Log level for message */ | |
2643 | ||
2644 | ||
2645 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, | |
2646 | message, sizeof(message))) != NULL) | |
2647 | if (!strchr(CGIStatusBuffer->buffer, '\n')) | |
2648 | break; | |
2649 | ||
d09495fa | 2650 | if (ptr == NULL && !CGIStatusBuffer->bufused) |
ef416fc2 | 2651 | { |
2652 | /* | |
2653 | * Fatal error on pipe - should never happen! | |
2654 | */ | |
2655 | ||
2656 | cupsdLogMessage(CUPSD_LOG_CRIT, | |
2657 | "cupsdUpdateCGI: error reading from CGI error pipe - %s", | |
2658 | strerror(errno)); | |
2659 | } | |
2660 | } | |
2661 | ||
2662 | ||
2663 | /* | |
2664 | * 'cupsdWriteClient()' - Write data to a client as needed. | |
2665 | */ | |
2666 | ||
f7deaa1a | 2667 | void |
ef416fc2 | 2668 | cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */ |
2669 | { | |
2670 | int bytes; /* Number of bytes written */ | |
2671 | char buf[16385]; /* Data buffer */ | |
2672 | char *bufptr; /* Pointer into buffer */ | |
2673 | ipp_state_t ipp_state; /* IPP state value */ | |
2674 | ||
2675 | ||
2676 | #ifdef DEBUG | |
2677 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
b94498cf | 2678 | "cupsdWriteClient(con=%p) %d response=%p(%d), file=%d " |
ef416fc2 | 2679 | "pipe_pid=%d state=%d", |
ae71f5de MS |
2680 | con, con->http.fd, con->response, |
2681 | con->response ? con->response->state : -1, | |
b94498cf | 2682 | con->file, con->pipe_pid, con->http.state); |
ef416fc2 | 2683 | #endif /* DEBUG */ |
2684 | ||
2685 | if (con->http.state != HTTP_GET_SEND && | |
2686 | con->http.state != HTTP_POST_SEND) | |
f7deaa1a | 2687 | return; |
2688 | ||
2689 | if (con->pipe_pid) | |
2690 | { | |
2691 | /* | |
2692 | * Make sure we select on the CGI output... | |
2693 | */ | |
2694 | ||
f899b121 | 2695 | cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con); |
f7deaa1a | 2696 | |
2697 | if (!con->file_ready) | |
2698 | { | |
2699 | /* | |
2700 | * Try again later when there is CGI output available... | |
2701 | */ | |
2702 | ||
2703 | cupsdRemoveSelect(con->http.fd); | |
2704 | return; | |
2705 | } | |
2706 | ||
2707 | con->file_ready = 0; | |
2708 | } | |
ef416fc2 | 2709 | |
b94498cf | 2710 | if (con->response && con->response->state != IPP_DATA) |
ef416fc2 | 2711 | { |
07725fee | 2712 | ipp_state = ippWrite(HTTP(con), con->response); |
b94498cf | 2713 | bytes = ipp_state != IPP_ERROR && |
2714 | (con->file >= 0 || ipp_state != IPP_DATA); | |
ef416fc2 | 2715 | } |
2716 | else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0) | |
2717 | { | |
2718 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2719 | "cupsdWriteClient: Read %d bytes from file %d...", | |
2720 | bytes, con->file); | |
2721 | ||
2722 | if (con->pipe_pid && !con->got_fields) | |
2723 | { | |
2724 | /* | |
2725 | * Inspect the data for Content-Type and other fields. | |
2726 | */ | |
2727 | ||
2728 | buf[bytes] = '\0'; | |
2729 | ||
2730 | for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++) | |
2731 | if (*bufptr == '\n') | |
2732 | { | |
2733 | /* | |
2734 | * Send line to client... | |
2735 | */ | |
2736 | ||
2737 | if (bufptr > buf && bufptr[-1] == '\r') | |
2738 | bufptr[-1] = '\0'; | |
2739 | *bufptr++ = '\0'; | |
2740 | ||
2741 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "Script header: %s", buf); | |
2742 | ||
2743 | if (!con->sent_header) | |
2744 | { | |
2745 | /* | |
2746 | * Handle redirection and CGI status codes... | |
2747 | */ | |
2748 | ||
2749 | if (!strncasecmp(buf, "Location:", 9)) | |
d6ae789d | 2750 | { |
5bd77a73 | 2751 | cupsdSendHeader(con, HTTP_SEE_OTHER, NULL, CUPSD_AUTH_NONE); |
07725fee | 2752 | con->sent_header = 2; |
2753 | ||
d6ae789d | 2754 | if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0) |
f7deaa1a | 2755 | return; |
d6ae789d | 2756 | } |
ef416fc2 | 2757 | else if (!strncasecmp(buf, "Status:", 7)) |
07725fee | 2758 | { |
5bd77a73 | 2759 | cupsdSendError(con, (http_status_t)atoi(buf + 7), CUPSD_AUTH_NONE); |
07725fee | 2760 | con->sent_header = 2; |
2761 | } | |
ef416fc2 | 2762 | else |
4744bd90 | 2763 | { |
5bd77a73 | 2764 | cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE); |
07725fee | 2765 | con->sent_header = 1; |
ef416fc2 | 2766 | |
4744bd90 | 2767 | if (con->http.version == HTTP_1_1) |
2768 | { | |
4744bd90 | 2769 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) |
f7deaa1a | 2770 | return; |
4744bd90 | 2771 | } |
2772 | } | |
ef416fc2 | 2773 | } |
2774 | ||
2775 | if (strncasecmp(buf, "Status:", 7)) | |
2776 | httpPrintf(HTTP(con), "%s\r\n", buf); | |
2777 | ||
2778 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d %s", | |
2779 | con->http.fd, buf); | |
2780 | ||
2781 | /* | |
2782 | * Update buffer... | |
2783 | */ | |
2784 | ||
2785 | bytes -= (bufptr - buf); | |
2786 | memmove(buf, bufptr, bytes + 1); | |
2787 | bufptr = buf - 1; | |
2788 | ||
2789 | /* | |
2790 | * See if the line was empty... | |
2791 | */ | |
2792 | ||
2793 | if (con->field_col == 0) | |
d09495fa | 2794 | { |
ef416fc2 | 2795 | con->got_fields = 1; |
d09495fa | 2796 | |
07725fee | 2797 | if (cupsdFlushHeader(con) < 0) |
2798 | { | |
2799 | cupsdCloseClient(con); | |
f7deaa1a | 2800 | return; |
07725fee | 2801 | } |
d09495fa | 2802 | |
2803 | if (con->http.version == HTTP_1_1) | |
2804 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
2805 | } | |
ef416fc2 | 2806 | else |
2807 | con->field_col = 0; | |
2808 | } | |
2809 | else if (*bufptr != '\r') | |
2810 | con->field_col ++; | |
2811 | ||
2812 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2813 | "cupsdWriteClient: %d bytes=%d, got_fields=%d", | |
2814 | con->http.fd, bytes, con->got_fields); | |
2815 | ||
2816 | if (bytes > 0 && !con->got_fields) | |
2817 | { | |
2818 | /* | |
2819 | * Remaining text needs to go out... | |
2820 | */ | |
2821 | ||
2822 | httpPrintf(HTTP(con), "%s", buf); | |
2823 | ||
2824 | con->http.activity = time(NULL); | |
f7deaa1a | 2825 | return; |
ef416fc2 | 2826 | } |
2827 | else if (bytes == 0) | |
47879b8b | 2828 | { |
ef416fc2 | 2829 | con->http.activity = time(NULL); |
47879b8b MS |
2830 | return; |
2831 | } | |
ef416fc2 | 2832 | } |
2833 | ||
4744bd90 | 2834 | if (bytes > 0) |
ef416fc2 | 2835 | { |
4744bd90 | 2836 | if (httpWrite2(HTTP(con), buf, bytes) < 0) |
2837 | { | |
2838 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2839 | "cupsdWriteClient: %d Write of %d bytes failed!", | |
2840 | con->http.fd, bytes); | |
ef416fc2 | 2841 | |
4744bd90 | 2842 | cupsdCloseClient(con); |
f7deaa1a | 2843 | return; |
4744bd90 | 2844 | } |
ef416fc2 | 2845 | |
01ce6322 MS |
2846 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED) |
2847 | httpFlushWrite(HTTP(con)); | |
ae71f5de | 2848 | |
4744bd90 | 2849 | con->bytes += bytes; |
ef416fc2 | 2850 | |
4744bd90 | 2851 | if (con->http.state == HTTP_WAITING) |
2852 | bytes = 0; | |
2853 | } | |
ef416fc2 | 2854 | } |
2855 | ||
2856 | if (bytes <= 0) | |
2857 | { | |
2858 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d bytes < 0", | |
2859 | con->http.fd); | |
2860 | ||
2861 | cupsdLogRequest(con, HTTP_OK); | |
2862 | ||
2863 | httpFlushWrite(HTTP(con)); | |
2864 | ||
07725fee | 2865 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED && con->sent_header == 1) |
ef416fc2 | 2866 | { |
07725fee | 2867 | if (httpWrite2(HTTP(con), "", 0) < 0) |
ef416fc2 | 2868 | { |
2869 | cupsdCloseClient(con); | |
f7deaa1a | 2870 | return; |
ef416fc2 | 2871 | } |
2872 | } | |
2873 | ||
2874 | con->http.state = HTTP_WAITING; | |
2875 | ||
f7deaa1a | 2876 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con); |
ef416fc2 | 2877 | |
2878 | if (con->file >= 0) | |
2879 | { | |
f7deaa1a | 2880 | cupsdRemoveSelect(con->file); |
ef416fc2 | 2881 | |
2882 | if (con->pipe_pid) | |
2883 | cupsdEndProcess(con->pipe_pid, 0); | |
2884 | ||
2885 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2886 | "cupsdWriteClient: %d Closing data file %d.", | |
2887 | con->http.fd, con->file); | |
2888 | ||
2889 | close(con->file); | |
2890 | con->file = -1; | |
2891 | con->pipe_pid = 0; | |
2892 | } | |
2893 | ||
2894 | if (con->filename) | |
2895 | { | |
2896 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2897 | "cupsdWriteClient: %d Removing temp file %s", | |
2898 | con->http.fd, con->filename); | |
2899 | unlink(con->filename); | |
2900 | cupsdClearString(&con->filename); | |
2901 | } | |
2902 | ||
2abf387c | 2903 | if (con->request) |
ef416fc2 | 2904 | { |
2905 | ippDelete(con->request); | |
2906 | con->request = NULL; | |
2907 | } | |
2908 | ||
2abf387c | 2909 | if (con->response) |
ef416fc2 | 2910 | { |
2911 | ippDelete(con->response); | |
2912 | con->response = NULL; | |
2913 | } | |
2914 | ||
2915 | cupsdClearString(&con->command); | |
2916 | cupsdClearString(&con->options); | |
b86bc4cf | 2917 | cupsdClearString(&con->query_string); |
ef416fc2 | 2918 | |
2919 | if (!con->http.keep_alive) | |
2920 | { | |
2921 | cupsdCloseClient(con); | |
f7deaa1a | 2922 | return; |
ef416fc2 | 2923 | } |
2924 | } | |
2925 | ||
2926 | con->http.activity = time(NULL); | |
f7deaa1a | 2927 | } |
ef416fc2 | 2928 | |
f7deaa1a | 2929 | |
e1d6a774 | 2930 | /* |
2931 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2932 | */ | |
2933 | ||
2934 | static int /* O - 1 if modified since */ | |
2935 | check_if_modified( | |
2936 | cupsd_client_t *con, /* I - Client connection */ | |
2937 | struct stat *filestats) /* I - File information */ | |
2938 | { | |
2939 | char *ptr; /* Pointer into field */ | |
2940 | time_t date; /* Time/date value */ | |
2941 | off_t size; /* Size/length value */ | |
2942 | ||
2943 | ||
2944 | size = 0; | |
2945 | date = 0; | |
2946 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
2947 | ||
2948 | if (*ptr == '\0') | |
2949 | return (1); | |
2950 | ||
2951 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2952 | "check_if_modified: %d If-Modified-Since=\"%s\"", | |
2953 | con->http.fd, ptr); | |
2954 | ||
2955 | while (*ptr != '\0') | |
2956 | { | |
2957 | while (isspace(*ptr) || *ptr == ';') | |
2958 | ptr ++; | |
2959 | ||
2960 | if (strncasecmp(ptr, "length=", 7) == 0) | |
2961 | { | |
2962 | ptr += 7; | |
2963 | size = strtoll(ptr, NULL, 10); | |
2964 | ||
2965 | while (isdigit(*ptr)) | |
2966 | ptr ++; | |
2967 | } | |
2968 | else if (isalpha(*ptr)) | |
2969 | { | |
2970 | date = httpGetDateTime(ptr); | |
2971 | while (*ptr != '\0' && *ptr != ';') | |
2972 | ptr ++; | |
2973 | } | |
e53920b9 | 2974 | else |
2975 | ptr ++; | |
e1d6a774 | 2976 | } |
2977 | ||
2978 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
2979 | "check_if_modified: %d sizes=" CUPS_LLFMT "," | |
2980 | CUPS_LLFMT " dates=%d,%d", | |
2981 | con->http.fd, CUPS_LLCAST size, | |
2982 | CUPS_LLCAST filestats->st_size, (int)date, | |
2983 | (int)filestats->st_mtime); | |
2984 | ||
2985 | return ((size != filestats->st_size && size != 0) || | |
2986 | (date < filestats->st_mtime && date != 0) || | |
2987 | (size == 0 && date == 0)); | |
2988 | } | |
2989 | ||
2990 | ||
3dfe78b3 MS |
2991 | /* |
2992 | * 'compare_clients()' - Compare two client connections. | |
2993 | */ | |
2994 | ||
2995 | static int /* O - Result of comparison */ | |
2996 | compare_clients(cupsd_client_t *a, /* I - First client */ | |
2997 | cupsd_client_t *b, /* I - Second client */ | |
2998 | void *data) /* I - User data (not used) */ | |
2999 | { | |
3000 | (void)data; | |
3001 | ||
3002 | if (a == b) | |
3003 | return (0); | |
3004 | else if (a < b) | |
3005 | return (-1); | |
3006 | else | |
3007 | return (1); | |
3008 | } | |
3009 | ||
3010 | ||
ee571f26 MS |
3011 | /* |
3012 | * 'data_ready()' - Check whether data is available from a client. | |
3013 | */ | |
3014 | ||
3015 | static int /* O - 1 if data is ready, 0 otherwise */ | |
3016 | data_ready(cupsd_client_t *con) /* I - Client */ | |
3017 | { | |
3018 | if (con->http.used > 0) | |
3019 | return (1); | |
3020 | #ifdef HAVE_SSL | |
3021 | else if (con->http.tls) | |
3022 | { | |
3023 | # ifdef HAVE_LIBSSL | |
3024 | if (SSL_pending((SSL *)(con->http.tls))) | |
3025 | return (1); | |
3026 | # elif defined(HAVE_GNUTLS) | |
3027 | if (gnutls_record_check_pending(((http_tls_t *)(con->http.tls))->session)) | |
3028 | return (1); | |
3029 | # elif defined(HAVE_CDSASSL) | |
3030 | size_t bytes; /* Bytes that are available */ | |
3031 | ||
3032 | if (!SSLGetBufferedReadSize(((http_tls_t *)(con->http.tls))->session, | |
3033 | &bytes) && bytes > 0) | |
3034 | return (1); | |
3035 | # endif /* HAVE_LIBSSL */ | |
3036 | } | |
3037 | #endif /* HAVE_SSL */ | |
3038 | ||
3039 | return (0); | |
3040 | } | |
3041 | ||
3042 | ||
80ca4592 | 3043 | #ifdef HAVE_SSL |
e1d6a774 | 3044 | /* |
3045 | * 'encrypt_client()' - Enable encryption for the client... | |
3046 | */ | |
3047 | ||
3048 | static int /* O - 1 on success, 0 on error */ | |
3049 | encrypt_client(cupsd_client_t *con) /* I - Client to encrypt */ | |
3050 | { | |
80ca4592 | 3051 | # ifdef HAVE_LIBSSL |
e1d6a774 | 3052 | SSL_CTX *context; /* Context for encryption */ |
3053 | SSL *conn; /* Connection for encryption */ | |
411affcf | 3054 | BIO *bio; /* BIO data */ |
e1d6a774 | 3055 | unsigned long error; /* Error code */ |
3056 | ||
3057 | ||
8ca02f3c | 3058 | /* |
3059 | * Verify that we have a certificate... | |
3060 | */ | |
3061 | ||
3062 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
3063 | { | |
3064 | /* | |
3065 | * Nope, make a self-signed certificate... | |
3066 | */ | |
3067 | ||
b86bc4cf | 3068 | if (!make_certificate(con)) |
8ca02f3c | 3069 | return (0); |
3070 | } | |
3071 | ||
e1d6a774 | 3072 | /* |
3073 | * Create the SSL context and accept the connection... | |
3074 | */ | |
3075 | ||
3076 | context = SSL_CTX_new(SSLv23_server_method()); | |
3077 | ||
3078 | SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */ | |
3079 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); | |
ee571f26 MS |
3080 | SSL_CTX_use_certificate_chain_file(context, ServerCertificate, |
3081 | SSL_FILETYPE_PEM); | |
e1d6a774 | 3082 | |
411affcf | 3083 | bio = BIO_new(_httpBIOMethods()); |
3084 | BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con)); | |
3085 | ||
e1d6a774 | 3086 | conn = SSL_new(context); |
411affcf | 3087 | SSL_set_bio(conn, bio, bio); |
e1d6a774 | 3088 | |
e1d6a774 | 3089 | if (SSL_accept(conn) != 1) |
3090 | { | |
3091 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3092 | "encrypt_client: Unable to encrypt connection from %s!", | |
3093 | con->http.hostname); | |
3094 | ||
3095 | while ((error = ERR_get_error()) != 0) | |
3096 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", | |
3097 | ERR_error_string(error, NULL)); | |
3098 | ||
3099 | SSL_CTX_free(context); | |
3100 | SSL_free(conn); | |
3101 | return (0); | |
3102 | } | |
3103 | ||
3104 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3105 | "encrypt_client: %d Connection from %s now encrypted.", | |
3106 | con->http.fd, con->http.hostname); | |
3107 | ||
3108 | con->http.tls = conn; | |
3109 | return (1); | |
f7deaa1a | 3110 | |
80ca4592 | 3111 | # elif defined(HAVE_GNUTLS) |
e1d6a774 | 3112 | http_tls_t *conn; /* TLS session object */ |
3113 | int error; /* Error code */ | |
3114 | gnutls_certificate_server_credentials *credentials; | |
3115 | /* TLS credentials */ | |
3116 | ||
3117 | ||
3118 | /* | |
3119 | * Verify that we have a certificate... | |
3120 | */ | |
3121 | ||
3122 | if (access(ServerKey, 0) || access(ServerCertificate, 0)) | |
3123 | { | |
3124 | /* | |
3125 | * Nope, make a self-signed certificate... | |
3126 | */ | |
3127 | ||
b86bc4cf | 3128 | if (!make_certificate(con)) |
8ca02f3c | 3129 | return (0); |
e1d6a774 | 3130 | } |
3131 | ||
3132 | /* | |
3133 | * Create the SSL object and perform the SSL handshake... | |
3134 | */ | |
3135 | ||
89d46774 | 3136 | conn = (http_tls_t *)malloc(sizeof(http_tls_t)); |
e1d6a774 | 3137 | |
3138 | if (conn == NULL) | |
3139 | return (0); | |
3140 | ||
3141 | credentials = (gnutls_certificate_server_credentials *) | |
3142 | malloc(sizeof(gnutls_certificate_server_credentials)); | |
3143 | if (credentials == NULL) | |
3144 | { | |
3145 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3146 | "encrypt_client: Unable to encrypt connection from %s!", | |
3147 | con->http.hostname); | |
3148 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", strerror(errno)); | |
3149 | ||
3150 | free(conn); | |
3151 | return (0); | |
3152 | } | |
3153 | ||
3154 | gnutls_certificate_allocate_credentials(credentials); | |
f7deaa1a | 3155 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, |
e1d6a774 | 3156 | ServerKey, GNUTLS_X509_FMT_PEM); |
3157 | ||
3158 | gnutls_init(&(conn->session), GNUTLS_SERVER); | |
3159 | gnutls_set_default_priority(conn->session); | |
3160 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
411affcf | 3161 | gnutls_transport_set_ptr(conn->session, (gnutls_transport_ptr)HTTP(con)); |
3162 | gnutls_transport_set_pull_function(conn->session, _httpReadGNUTLS); | |
3163 | gnutls_transport_set_push_function(conn->session, _httpWriteGNUTLS); | |
e1d6a774 | 3164 | |
3165 | error = gnutls_handshake(conn->session); | |
3166 | ||
3167 | if (error != GNUTLS_E_SUCCESS) | |
3168 | { | |
3169 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3170 | "encrypt_client: Unable to encrypt connection from %s!", | |
3171 | con->http.hostname); | |
3172 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", | |
3173 | gnutls_strerror(error)); | |
3174 | ||
3175 | gnutls_deinit(conn->session); | |
3176 | gnutls_certificate_free_credentials(*credentials); | |
3177 | free(conn); | |
3178 | free(credentials); | |
3179 | return (0); | |
3180 | } | |
3181 | ||
3182 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3183 | "encrypt_client: %d Connection from %s now encrypted.", | |
3184 | con->http.fd, con->http.hostname); | |
3185 | ||
3186 | conn->credentials = credentials; | |
3187 | con->http.tls = conn; | |
3188 | return (1); | |
3189 | ||
80ca4592 | 3190 | # elif defined(HAVE_CDSASSL) |
89d46774 | 3191 | OSStatus error; /* Error code */ |
3192 | http_tls_t *conn; /* CDSA connection information */ | |
e1d6a774 | 3193 | |
3194 | ||
89d46774 | 3195 | if ((conn = (http_tls_t *)malloc(sizeof(http_tls_t))) == NULL) |
3196 | return (0); | |
e1d6a774 | 3197 | |
89d46774 | 3198 | error = 0; |
3199 | conn->session = NULL; | |
b86bc4cf | 3200 | conn->certsArray = get_cdsa_certificate(con); |
e1d6a774 | 3201 | |
8ca02f3c | 3202 | if (!conn->certsArray) |
3203 | { | |
3204 | /* | |
3205 | * No keychain (yet), make a self-signed certificate... | |
3206 | */ | |
3207 | ||
b86bc4cf | 3208 | if (make_certificate(con)) |
3209 | conn->certsArray = get_cdsa_certificate(con); | |
8ca02f3c | 3210 | } |
3211 | ||
89d46774 | 3212 | if (!conn->certsArray) |
e1d6a774 | 3213 | { |
3214 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
411affcf | 3215 | "encrypt_client: Could not find signing key in keychain " |
e1d6a774 | 3216 | "\"%s\"", ServerCertificate); |
3217 | error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */ | |
3218 | } | |
3219 | ||
3220 | if (!error) | |
89d46774 | 3221 | error = SSLNewContext(true, &conn->session); |
e1d6a774 | 3222 | |
3223 | if (!error) | |
89d46774 | 3224 | error = SSLSetIOFuncs(conn->session, _httpReadCDSA, _httpWriteCDSA); |
3225 | ||
3226 | if (!error) | |
ed486911 | 3227 | error = SSLSetProtocolVersionEnabled(conn->session, kSSLProtocol2, false); |
e1d6a774 | 3228 | |
3229 | if (!error) | |
411affcf | 3230 | error = SSLSetConnection(conn->session, HTTP(con)); |
e1d6a774 | 3231 | |
3232 | if (!error) | |
89d46774 | 3233 | error = SSLSetAllowsExpiredCerts(conn->session, true); |
e1d6a774 | 3234 | |
3235 | if (!error) | |
89d46774 | 3236 | error = SSLSetAllowsAnyRoot(conn->session, true); |
ef416fc2 | 3237 | |
89d46774 | 3238 | if (!error) |
3239 | error = SSLSetCertificate(conn->session, conn->certsArray); | |
ef416fc2 | 3240 | |
e1d6a774 | 3241 | if (!error) |
3242 | { | |
3243 | /* | |
3244 | * Perform SSL/TLS handshake | |
3245 | */ | |
ef416fc2 | 3246 | |
89d46774 | 3247 | while ((error = SSLHandshake(conn->session)) == errSSLWouldBlock) |
e1d6a774 | 3248 | usleep(1000); |
3249 | } | |
ef416fc2 | 3250 | |
e1d6a774 | 3251 | if (error) |
3252 | { | |
3253 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3254 | "encrypt_client: Unable to encrypt connection from %s!", | |
3255 | con->http.hostname); | |
ef416fc2 | 3256 | |
ed486911 | 3257 | cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s (%d)", |
3258 | cssmErrorString(error), (int)error); | |
ef416fc2 | 3259 | |
e1d6a774 | 3260 | con->http.error = error; |
3261 | con->http.status = HTTP_ERROR; | |
ef416fc2 | 3262 | |
89d46774 | 3263 | if (conn->session) |
3264 | SSLDisposeContext(conn->session); | |
3265 | ||
3266 | if (conn->certsArray) | |
3267 | CFRelease(conn->certsArray); | |
3268 | ||
3269 | free(conn); | |
ef416fc2 | 3270 | |
e1d6a774 | 3271 | return (0); |
ef416fc2 | 3272 | } |
3273 | ||
e1d6a774 | 3274 | cupsdLogMessage(CUPSD_LOG_DEBUG, |
3275 | "encrypt_client: %d Connection from %s now encrypted.", | |
3276 | con->http.fd, con->http.hostname); | |
ef416fc2 | 3277 | |
e1d6a774 | 3278 | con->http.tls = conn; |
3279 | return (1); | |
3280 | ||
80ca4592 | 3281 | # endif /* HAVE_LIBSSL */ |
ef416fc2 | 3282 | } |
80ca4592 | 3283 | #endif /* HAVE_SSL */ |
ef416fc2 | 3284 | |
3285 | ||
3286 | #ifdef HAVE_CDSASSL | |
3287 | /* | |
b86bc4cf | 3288 | * 'get_cdsa_certificate()' - Get a SSL/TLS certificate from the System keychain. |
ef416fc2 | 3289 | */ |
3290 | ||
b86bc4cf | 3291 | static CFArrayRef /* O - Array of certificates */ |
3292 | get_cdsa_certificate(cupsd_client_t *con) /* I - Client connection */ | |
ef416fc2 | 3293 | { |
3294 | OSStatus err; /* Error info */ | |
b86bc4cf | 3295 | SecKeychainRef keychain; /* Keychain reference */ |
3296 | SecIdentitySearchRef search; /* Search reference */ | |
ef416fc2 | 3297 | SecIdentityRef identity; /* Identity */ |
b86bc4cf | 3298 | CFArrayRef certificates = NULL; |
3299 | /* Certificate array */ | |
ef416fc2 | 3300 | |
3301 | ||
b86bc4cf | 3302 | if ((err = SecKeychainOpen(ServerCertificate, &keychain))) |
3303 | { | |
3304 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", %s", | |
3305 | ServerCertificate, cssmErrorString(err)); | |
3306 | return (NULL); | |
3307 | } | |
ef416fc2 | 3308 | |
b86bc4cf | 3309 | # if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY |
3310 | /* | |
3311 | * Use a policy to search for valid certificates who's common name matches the | |
3312 | * servername... | |
3313 | */ | |
3314 | ||
3315 | SecPolicySearchRef policy_search; /* Policy search ref */ | |
3316 | SecPolicyRef policy; /* Policy ref */ | |
3317 | CSSM_DATA options; /* Policy options */ | |
3318 | CSSM_APPLE_TP_SSL_OPTIONS | |
3319 | ssl_options; /* SSL Option for hostname */ | |
3320 | ||
3321 | ||
1f0275e3 MS |
3322 | if (SecPolicySearchCreate(CSSM_CERT_X_509v3, &CSSMOID_APPLE_TP_SSL, |
3323 | NULL, &policy_search)) | |
ef416fc2 | 3324 | { |
b86bc4cf | 3325 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create a policy search reference"); |
3326 | CFRelease(keychain); | |
3327 | return (NULL); | |
3328 | } | |
ef416fc2 | 3329 | |
1f0275e3 | 3330 | if (SecPolicySearchCopyNext(policy_search, &policy)) |
b86bc4cf | 3331 | { |
3332 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3333 | "Cannot find a policy to use for searching"); | |
3334 | CFRelease(keychain); | |
3335 | CFRelease(policy_search); | |
3336 | return (NULL); | |
3337 | } | |
ef416fc2 | 3338 | |
b86bc4cf | 3339 | memset(&ssl_options, 0, sizeof(ssl_options)); |
3340 | ssl_options.Version = CSSM_APPLE_TP_SSL_OPTS_VERSION; | |
3341 | ssl_options.ServerName = con->servername; | |
3342 | ssl_options.ServerNameLen = strlen(con->servername); | |
ef416fc2 | 3343 | |
b86bc4cf | 3344 | options.Data = (uint8 *)&ssl_options; |
3345 | options.Length = sizeof(ssl_options); | |
3346 | ||
1f0275e3 | 3347 | if (SecPolicySetValue(policy, &options)) |
b86bc4cf | 3348 | { |
3349 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3350 | "Cannot set policy value to use for searching"); | |
3351 | CFRelease(keychain); | |
3352 | CFRelease(policy_search); | |
3353 | return (NULL); | |
3354 | } | |
3355 | ||
3356 | err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN, | |
3357 | keychain, FALSE, &search); | |
3358 | # else | |
3359 | /* | |
3360 | * Assume there is exactly one SecIdentity in the keychain... | |
3361 | */ | |
3362 | ||
3363 | err = SecIdentitySearchCreate(keychain, CSSM_KEYUSE_SIGN, &search); | |
3364 | # endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */ | |
3365 | ||
3366 | if (err) | |
3367 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
3368 | "Cannot create keychain search reference: %s", | |
3369 | cssmErrorString(err)); | |
3370 | else | |
3371 | { | |
3372 | if ((err = SecIdentitySearchCopyNext(search, &identity))) | |
3373 | { | |
3374 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
ef416fc2 | 3375 | "Cannot find signing key in keychain \"%s\", error %d", |
3376 | ServerCertificate, (int)err); | |
b86bc4cf | 3377 | } |
3378 | else | |
3379 | { | |
3380 | if (CFGetTypeID(identity) != SecIdentityGetTypeID()) | |
3381 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3382 | "SecIdentitySearchCopyNext CFTypeID failure!"); | |
ef416fc2 | 3383 | else |
3384 | { | |
b86bc4cf | 3385 | if ((certificates = CFArrayCreate(NULL, (const void **)&identity, |
3386 | 1, &kCFTypeArrayCallBacks)) == NULL) | |
3387 | cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array"); | |
ef416fc2 | 3388 | } |
3389 | ||
b86bc4cf | 3390 | CFRelease(identity); |
ef416fc2 | 3391 | } |
3392 | ||
b86bc4cf | 3393 | CFRelease(search); |
ef416fc2 | 3394 | } |
3395 | ||
b86bc4cf | 3396 | # if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY |
3397 | CFRelease(policy); | |
3398 | CFRelease(policy_search); | |
3399 | # endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */ | |
3400 | ||
3401 | return (certificates); | |
ef416fc2 | 3402 | } |
3403 | #endif /* HAVE_CDSASSL */ | |
3404 | ||
3405 | ||
3406 | /* | |
3407 | * 'get_file()' - Get a filename and state info. | |
3408 | */ | |
3409 | ||
3410 | static char * /* O - Real filename */ | |
3411 | get_file(cupsd_client_t *con, /* I - Client connection */ | |
3412 | struct stat *filestats, /* O - File information */ | |
3413 | char *filename, /* IO - Filename buffer */ | |
3414 | int len) /* I - Buffer length */ | |
3415 | { | |
3416 | int status; /* Status of filesystem calls */ | |
3417 | char *ptr; /* Pointer info filename */ | |
3418 | int plen; /* Remaining length after pointer */ | |
db1f069b | 3419 | char language[7]; /* Language subdirectory, if any */ |
ef416fc2 | 3420 | |
3421 | ||
3422 | /* | |
f7deaa1a | 3423 | * Figure out the real filename... |
ef416fc2 | 3424 | */ |
3425 | ||
db1f069b MS |
3426 | language[0] = '\0'; |
3427 | ||
ef416fc2 | 3428 | if (!strncmp(con->uri, "/ppd/", 5)) |
3429 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); | |
f7deaa1a | 3430 | else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/')) |
3431 | snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5); | |
ef416fc2 | 3432 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
3433 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); | |
3434 | else if (!strncmp(con->uri, "/admin/log/", 11)) | |
3435 | { | |
2e4ff8af | 3436 | if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/') |
ef416fc2 | 3437 | strlcpy(filename, AccessLog, len); |
2e4ff8af | 3438 | else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/') |
ef416fc2 | 3439 | strlcpy(filename, ErrorLog, len); |
2e4ff8af | 3440 | else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/') |
ef416fc2 | 3441 | strlcpy(filename, PageLog, len); |
3442 | else | |
3443 | return (NULL); | |
3444 | } | |
d6ae789d | 3445 | else if (con->language) |
db1f069b MS |
3446 | { |
3447 | snprintf(language, sizeof(language), "/%s", con->language->language); | |
3448 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3449 | } | |
ef416fc2 | 3450 | else |
3451 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); | |
3452 | ||
3453 | if ((ptr = strchr(filename, '?')) != NULL) | |
3454 | *ptr = '\0'; | |
3455 | ||
3456 | /* | |
3457 | * Grab the status for this language; if there isn't a language-specific file | |
3458 | * then fallback to the default one... | |
3459 | */ | |
3460 | ||
db1f069b | 3461 | if ((status = stat(filename, filestats)) != 0 && language[0] && |
d6ae789d | 3462 | strncmp(con->uri, "/ppd/", 5) && |
3463 | strncmp(con->uri, "/admin/conf/", 12) && | |
3464 | strncmp(con->uri, "/admin/log/", 11)) | |
ef416fc2 | 3465 | { |
3466 | /* | |
d6ae789d | 3467 | * Drop the country code... |
ef416fc2 | 3468 | */ |
3469 | ||
db1f069b MS |
3470 | language[3] = '\0'; |
3471 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
d6ae789d | 3472 | |
3473 | if ((ptr = strchr(filename, '?')) != NULL) | |
3474 | *ptr = '\0'; | |
3475 | ||
3476 | if ((status = stat(filename, filestats)) != 0) | |
ef416fc2 | 3477 | { |
d6ae789d | 3478 | /* |
3479 | * Drop the language prefix and try the root directory... | |
3480 | */ | |
3481 | ||
db1f069b | 3482 | language[0] = '\0'; |
ef416fc2 | 3483 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
3484 | ||
3485 | if ((ptr = strchr(filename, '?')) != NULL) | |
3486 | *ptr = '\0'; | |
3487 | ||
3488 | status = stat(filename, filestats); | |
3489 | } | |
3490 | } | |
3491 | ||
3492 | /* | |
3493 | * If we're found a directory, get the index.html file instead... | |
3494 | */ | |
3495 | ||
3496 | if (!status && S_ISDIR(filestats->st_mode)) | |
3497 | { | |
db1f069b MS |
3498 | /* |
3499 | * Make sure the URI ends with a slash... | |
3500 | */ | |
ef416fc2 | 3501 | |
db1f069b MS |
3502 | if (con->uri[strlen(con->uri) - 1] != '/') |
3503 | strlcat(con->uri, "/", sizeof(con->uri)); | |
ef416fc2 | 3504 | |
db1f069b MS |
3505 | /* |
3506 | * Find the directory index file, trying every language... | |
3507 | */ | |
ef416fc2 | 3508 | |
db1f069b | 3509 | do |
ef416fc2 | 3510 | { |
db1f069b MS |
3511 | if (status && language[0]) |
3512 | { | |
3513 | /* | |
3514 | * Try a different language subset... | |
3515 | */ | |
3516 | ||
3517 | if (language[3]) | |
3518 | language[0] = '\0'; /* Strip country code */ | |
3519 | else | |
3520 | language[0] = '\0'; /* Strip language */ | |
3521 | } | |
3522 | ||
3523 | /* | |
3524 | * Look for the index file... | |
3525 | */ | |
3526 | ||
3527 | snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri); | |
3528 | ||
3529 | if ((ptr = strchr(filename, '?')) != NULL) | |
3530 | *ptr = '\0'; | |
3531 | ||
3532 | ptr = filename + strlen(filename); | |
3533 | plen = len - (ptr - filename); | |
3534 | ||
3535 | strlcpy(ptr, "index.html", plen); | |
ef416fc2 | 3536 | status = stat(filename, filestats); |
db1f069b MS |
3537 | |
3538 | #ifdef HAVE_JAVA | |
3539 | if (status) | |
3540 | { | |
3541 | strlcpy(ptr, "index.class", plen); | |
3542 | status = stat(filename, filestats); | |
3543 | } | |
ef416fc2 | 3544 | #endif /* HAVE_JAVA */ |
3545 | ||
3546 | #ifdef HAVE_PERL | |
db1f069b MS |
3547 | if (status) |
3548 | { | |
3549 | strlcpy(ptr, "index.pl", plen); | |
3550 | status = stat(filename, filestats); | |
3551 | } | |
ef416fc2 | 3552 | #endif /* HAVE_PERL */ |
3553 | ||
3554 | #ifdef HAVE_PHP | |
db1f069b MS |
3555 | if (status) |
3556 | { | |
3557 | strlcpy(ptr, "index.php", plen); | |
3558 | status = stat(filename, filestats); | |
3559 | } | |
ef416fc2 | 3560 | #endif /* HAVE_PHP */ |
3561 | ||
3562 | #ifdef HAVE_PYTHON | |
db1f069b MS |
3563 | if (status) |
3564 | { | |
3565 | strlcpy(ptr, "index.pyc", plen); | |
3566 | status = stat(filename, filestats); | |
3567 | } | |
ef416fc2 | 3568 | |
db1f069b MS |
3569 | if (status) |
3570 | { | |
3571 | strlcpy(ptr, "index.py", plen); | |
3572 | status = stat(filename, filestats); | |
3573 | } | |
ef416fc2 | 3574 | #endif /* HAVE_PYTHON */ |
db1f069b MS |
3575 | |
3576 | } | |
3577 | while (status && language[0]); | |
ef416fc2 | 3578 | } |
3579 | ||
3580 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d", | |
3581 | con->http.fd, filename, | |
3582 | status ? -1 : (int)filestats->st_size); | |
3583 | ||
3584 | if (!status) | |
3585 | con->http.data_remaining = (int)filestats->st_size; | |
3586 | ||
3587 | if (status) | |
3588 | return (NULL); | |
3589 | else | |
3590 | return (filename); | |
3591 | } | |
3592 | ||
3593 | ||
3594 | /* | |
3595 | * 'install_conf_file()' - Install a configuration file. | |
3596 | */ | |
3597 | ||
3598 | static http_status_t /* O - Status */ | |
3599 | install_conf_file(cupsd_client_t *con) /* I - Connection */ | |
3600 | { | |
3601 | cups_file_t *in, /* Input file */ | |
3602 | *out; /* Output file */ | |
3603 | char buffer[1024]; /* Copy buffer */ | |
3604 | int bytes; /* Number of bytes */ | |
3605 | char conffile[1024], /* Configuration filename */ | |
3606 | newfile[1024], /* New config filename */ | |
3607 | oldfile[1024]; /* Old config filename */ | |
3608 | struct stat confinfo; /* Config file info */ | |
3609 | ||
3610 | ||
3611 | /* | |
3612 | * First construct the filenames... | |
3613 | */ | |
3614 | ||
3615 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
3616 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
3617 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
3618 | ||
3619 | cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile); | |
3620 | ||
3621 | /* | |
3622 | * Get the owner, group, and permissions of the configuration file. | |
3623 | * If it doesn't exist, assign it to the User and Group in the | |
3624 | * cupsd.conf file with mode 0640 permissions. | |
3625 | */ | |
3626 | ||
3627 | if (stat(conffile, &confinfo)) | |
3628 | { | |
3629 | confinfo.st_uid = User; | |
3630 | confinfo.st_gid = Group; | |
3631 | confinfo.st_mode = ConfigFilePerm; | |
3632 | } | |
3633 | ||
3634 | /* | |
3635 | * Open the request file and new config file... | |
3636 | */ | |
3637 | ||
3638 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) | |
3639 | { | |
3640 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s", | |
3641 | con->filename, strerror(errno)); | |
3642 | return (HTTP_SERVER_ERROR); | |
3643 | } | |
3644 | ||
3645 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) | |
3646 | { | |
3647 | cupsFileClose(in); | |
3648 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s", | |
3649 | newfile, strerror(errno)); | |
3650 | return (HTTP_SERVER_ERROR); | |
3651 | } | |
3652 | ||
3653 | fchmod(cupsFileNumber(out), confinfo.st_mode); | |
3654 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
3655 | ||
3656 | /* | |
3657 | * Copy from the request to the new config file... | |
3658 | */ | |
3659 | ||
3660 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) | |
3661 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
3662 | { | |
3663 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3664 | "Unable to copy to config file \"%s\" - %s", | |
3665 | newfile, strerror(errno)); | |
3666 | ||
3667 | cupsFileClose(in); | |
3668 | cupsFileClose(out); | |
3669 | unlink(newfile); | |
3670 | ||
3671 | return (HTTP_SERVER_ERROR); | |
3672 | } | |
3673 | ||
3674 | /* | |
3675 | * Close the files... | |
3676 | */ | |
3677 | ||
3678 | cupsFileClose(in); | |
3679 | if (cupsFileClose(out)) | |
3680 | { | |
3681 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3682 | "Error file closing config file \"%s\" - %s", | |
3683 | newfile, strerror(errno)); | |
3684 | ||
3685 | unlink(newfile); | |
3686 | ||
3687 | return (HTTP_SERVER_ERROR); | |
3688 | } | |
3689 | ||
3690 | /* | |
3691 | * Remove the request file... | |
3692 | */ | |
3693 | ||
3694 | unlink(con->filename); | |
3695 | cupsdClearString(&con->filename); | |
3696 | ||
3697 | /* | |
3698 | * Unlink the old backup, rename the current config file to the backup | |
3699 | * filename, and rename the new config file to the config file name... | |
3700 | */ | |
3701 | ||
3702 | if (unlink(oldfile)) | |
3703 | if (errno != ENOENT) | |
3704 | { | |
3705 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3706 | "Unable to remove backup config file \"%s\" - %s", | |
3707 | oldfile, strerror(errno)); | |
3708 | ||
3709 | unlink(newfile); | |
3710 | ||
3711 | return (HTTP_SERVER_ERROR); | |
3712 | } | |
3713 | ||
3714 | if (rename(conffile, oldfile)) | |
3715 | if (errno != ENOENT) | |
3716 | { | |
3717 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3718 | "Unable to rename old config file \"%s\" - %s", | |
3719 | conffile, strerror(errno)); | |
3720 | ||
3721 | unlink(newfile); | |
3722 | ||
3723 | return (HTTP_SERVER_ERROR); | |
3724 | } | |
3725 | ||
3726 | if (rename(newfile, conffile)) | |
3727 | { | |
3728 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3729 | "Unable to rename new config file \"%s\" - %s", | |
3730 | newfile, strerror(errno)); | |
3731 | ||
3732 | rename(oldfile, conffile); | |
3733 | unlink(newfile); | |
3734 | ||
3735 | return (HTTP_SERVER_ERROR); | |
3736 | } | |
3737 | ||
3738 | /* | |
3739 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
3740 | */ | |
3741 | ||
3742 | if (!strcmp(con->uri, "/admin/conf/cupsd.conf")) | |
3743 | NeedReload = RELOAD_CUPSD; | |
3744 | else | |
3745 | NeedReload = RELOAD_ALL; | |
3746 | ||
3747 | ReloadTime = time(NULL); | |
3748 | ||
3749 | /* | |
3750 | * Return that the file was created successfully... | |
3751 | */ | |
3752 | ||
3753 | return (HTTP_CREATED); | |
3754 | } | |
3755 | ||
3756 | ||
e1d6a774 | 3757 | /* |
3758 | * 'is_cgi()' - Is the resource a CGI script/program? | |
3759 | */ | |
3760 | ||
3761 | static int /* O - 1 = CGI, 0 = file */ | |
3762 | is_cgi(cupsd_client_t *con, /* I - Client connection */ | |
3763 | const char *filename, /* I - Real filename */ | |
3764 | struct stat *filestats, /* I - File information */ | |
3765 | mime_type_t *type) /* I - MIME type */ | |
3766 | { | |
3767 | const char *options; /* Options on URL */ | |
3768 | ||
3769 | ||
3770 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
75bd9771 | 3771 | "is_cgi(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)", |
e1d6a774 | 3772 | con, filename, filestats, type ? type->super : "unknown", |
3773 | type ? type->type : "unknown"); | |
3774 | ||
3775 | /* | |
3776 | * Get the options, if any... | |
3777 | */ | |
3778 | ||
3779 | if ((options = strchr(con->uri, '?')) != NULL) | |
a0f6818e MS |
3780 | { |
3781 | options ++; | |
3782 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options); | |
3783 | } | |
b86bc4cf | 3784 | |
e1d6a774 | 3785 | /* |
3786 | * Check for known types... | |
3787 | */ | |
3788 | ||
3789 | if (!type || strcasecmp(type->super, "application")) | |
3790 | { | |
3791 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0..."); | |
3792 | return (0); | |
3793 | } | |
3794 | ||
3795 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
3796 | (filestats->st_mode & 0111)) | |
3797 | { | |
3798 | /* | |
3799 | * "application/x-httpd-cgi" is a CGI script. | |
3800 | */ | |
3801 | ||
3802 | cupsdSetString(&con->command, filename); | |
3803 | ||
a0f6818e MS |
3804 | if (options) |
3805 | cupsdSetStringf(&con->options, " %s", options); | |
e1d6a774 | 3806 | |
3807 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3808 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3809 | con->command, con->options); | |
3810 | ||
3811 | return (1); | |
3812 | } | |
3813 | #ifdef HAVE_JAVA | |
3814 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
3815 | { | |
3816 | /* | |
3817 | * "application/x-httpd-java" is a Java servlet. | |
3818 | */ | |
3819 | ||
3820 | cupsdSetString(&con->command, CUPS_JAVA); | |
3821 | ||
3822 | if (options) | |
b94498cf | 3823 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3824 | else |
b94498cf | 3825 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3826 | |
3827 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3828 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3829 | con->command, con->options); | |
3830 | ||
3831 | return (1); | |
3832 | } | |
3833 | #endif /* HAVE_JAVA */ | |
3834 | #ifdef HAVE_PERL | |
3835 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
3836 | { | |
3837 | /* | |
3838 | * "application/x-httpd-perl" is a Perl page. | |
3839 | */ | |
3840 | ||
3841 | cupsdSetString(&con->command, CUPS_PERL); | |
3842 | ||
3843 | if (options) | |
b94498cf | 3844 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3845 | else |
b94498cf | 3846 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3847 | |
3848 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3849 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3850 | con->command, con->options); | |
3851 | ||
3852 | return (1); | |
3853 | } | |
3854 | #endif /* HAVE_PERL */ | |
3855 | #ifdef HAVE_PHP | |
3856 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
3857 | { | |
3858 | /* | |
3859 | * "application/x-httpd-php" is a PHP page. | |
3860 | */ | |
3861 | ||
3862 | cupsdSetString(&con->command, CUPS_PHP); | |
3863 | ||
3864 | if (options) | |
b94498cf | 3865 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3866 | else |
b94498cf | 3867 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3868 | |
3869 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3870 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3871 | con->command, con->options); | |
3872 | ||
3873 | return (1); | |
3874 | } | |
3875 | #endif /* HAVE_PHP */ | |
3876 | #ifdef HAVE_PYTHON | |
3877 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
3878 | { | |
3879 | /* | |
3880 | * "application/x-httpd-python" is a Python page. | |
3881 | */ | |
3882 | ||
3883 | cupsdSetString(&con->command, CUPS_PYTHON); | |
3884 | ||
3885 | if (options) | |
b94498cf | 3886 | cupsdSetStringf(&con->options, " %s %s", filename, options); |
e1d6a774 | 3887 | else |
b94498cf | 3888 | cupsdSetStringf(&con->options, " %s", filename); |
e1d6a774 | 3889 | |
3890 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
3891 | "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"", | |
3892 | con->command, con->options); | |
3893 | ||
3894 | return (1); | |
3895 | } | |
3896 | #endif /* HAVE_PYTHON */ | |
3897 | ||
3898 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0..."); | |
3899 | ||
3900 | return (0); | |
3901 | } | |
3902 | ||
3903 | ||
ef416fc2 | 3904 | /* |
3905 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
3906 | */ | |
3907 | ||
3908 | static int /* O - 0 if relative, 1 if absolute */ | |
3909 | is_path_absolute(const char *path) /* I - Input path */ | |
3910 | { | |
3911 | /* | |
3912 | * Check for a leading slash... | |
3913 | */ | |
3914 | ||
3915 | if (path[0] != '/') | |
3916 | return (0); | |
3917 | ||
3918 | /* | |
3919 | * Check for "/.." in the path... | |
3920 | */ | |
3921 | ||
3922 | while ((path = strstr(path, "/..")) != NULL) | |
3923 | { | |
3924 | if (!path[3] || path[3] == '/') | |
3925 | return (0); | |
3926 | ||
3927 | path ++; | |
3928 | } | |
3929 | ||
3930 | /* | |
3931 | * If we haven't found any relative paths, return 1 indicating an | |
3932 | * absolute path... | |
3933 | */ | |
3934 | ||
3935 | return (1); | |
3936 | } | |
3937 | ||
3938 | ||
8ca02f3c | 3939 | #ifdef HAVE_SSL |
4744bd90 | 3940 | /* |
3941 | * 'make_certificate()' - Make a self-signed SSL/TLS certificate. | |
3942 | */ | |
3943 | ||
8ca02f3c | 3944 | static int /* O - 1 on success, 0 on failure */ |
b86bc4cf | 3945 | make_certificate(cupsd_client_t *con) /* I - Client connection */ |
4744bd90 | 3946 | { |
8ca02f3c | 3947 | #if defined(HAVE_LIBSSL) && defined(HAVE_WAITPID) |
d09495fa | 3948 | int pid, /* Process ID of command */ |
3949 | status; /* Status of command */ | |
3950 | char command[1024], /* Command */ | |
f7deaa1a | 3951 | *argv[12], /* Command-line arguments */ |
d09495fa | 3952 | *envp[MAX_ENV + 1], /* Environment variables */ |
3953 | home[1024], /* HOME environment variable */ | |
3954 | infofile[1024], /* Type-in information for cert */ | |
3955 | seedfile[1024]; /* Random number seed file */ | |
3956 | int envc, /* Number of environment variables */ | |
3957 | bytes; /* Bytes written */ | |
3958 | cups_file_t *fp; /* Seed/info file */ | |
3959 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 3960 | |
3961 | ||
3962 | /* | |
d09495fa | 3963 | * Run the "openssl" command to seed the random number generator and |
3964 | * generate a self-signed certificate that is good for 10 years: | |
3965 | * | |
3966 | * openssl rand -rand seedfile 1 | |
8ca02f3c | 3967 | * |
3968 | * openssl req -new -x509 -keyout ServerKey \ | |
3969 | * -out ServerCertificate -days 3650 -nodes | |
d09495fa | 3970 | * |
3971 | * The seeding step is crucial in ensuring that the openssl command | |
3972 | * does not block on systems without sufficient entropy... | |
8ca02f3c | 3973 | */ |
3974 | ||
3975 | if (!cupsFileFind("openssl", getenv("PATH"), 1, command, sizeof(command))) | |
3976 | { | |
3977 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
3978 | "No SSL certificate and openssl command not found!"); | |
3979 | return (0); | |
3980 | } | |
3981 | ||
d09495fa | 3982 | if (access("/dev/urandom", 0)) |
3983 | { | |
3984 | /* | |
3985 | * If the system doesn't provide /dev/urandom, then any random source | |
3986 | * will probably be blocking-style, so generate some random data to | |
3987 | * use as a seed for the certificate. Note that we have already | |
3988 | * seeded the random number generator in cupsdInitCerts()... | |
3989 | */ | |
3990 | ||
3991 | cupsdLogMessage(CUPSD_LOG_INFO, | |
3992 | "Seeding the random number generator..."); | |
3993 | ||
3994 | snprintf(home, sizeof(home), "HOME=%s", TempDir); | |
3995 | ||
3996 | /* | |
3997 | * Write the seed file... | |
3998 | */ | |
3999 | ||
4000 | if ((fp = cupsTempFile2(seedfile, sizeof(seedfile))) == NULL) | |
4001 | { | |
4002 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create seed file %s - %s", | |
4003 | seedfile, strerror(errno)); | |
4004 | return (0); | |
4005 | } | |
4006 | ||
4007 | for (bytes = 0; bytes < 262144; bytes ++) | |
4008 | cupsFilePutChar(fp, random()); | |
4009 | ||
4010 | cupsFileClose(fp); | |
4011 | ||
4012 | /* | |
4013 | * Run the openssl command to seed its random number generator... | |
4014 | */ | |
4015 | ||
4016 | argv[0] = "openssl"; | |
4017 | argv[1] = "rand"; | |
4018 | argv[2] = "-rand"; | |
4019 | argv[3] = seedfile; | |
4020 | argv[4] = "1"; | |
4021 | argv[5] = NULL; | |
4022 | ||
4023 | envc = cupsdLoadEnv(envp, MAX_ENV); | |
4024 | envp[envc++] = home; | |
4025 | envp[envc] = NULL; | |
4026 | ||
a4924f6c MS |
4027 | if (!cupsdStartProcess(command, argv, envp, -1, -1, -1, -1, -1, 1, NULL, |
4028 | &pid)) | |
d09495fa | 4029 | { |
4030 | unlink(seedfile); | |
4031 | return (0); | |
4032 | } | |
4033 | ||
4034 | while (waitpid(pid, &status, 0) < 0) | |
4035 | if (errno != EINTR) | |
4036 | { | |
4037 | status = 1; | |
4038 | break; | |
4039 | } | |
4040 | ||
4041 | cupsdFinishProcess(pid, command, sizeof(command)); | |
4042 | ||
4043 | /* | |
4044 | * Remove the seed file, as it is no longer needed... | |
4045 | */ | |
4046 | ||
4047 | unlink(seedfile); | |
4048 | ||
4049 | if (status) | |
4050 | { | |
4051 | if (WIFEXITED(status)) | |
4052 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4053 | "Unable to seed random number generator - " | |
4054 | "the openssl command stopped with status %d!", | |
4055 | WEXITSTATUS(status)); | |
4056 | else | |
4057 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4058 | "Unable to seed random number generator - " | |
4059 | "the openssl command crashed on signal %d!", | |
4060 | WTERMSIG(status)); | |
4061 | ||
4062 | return (0); | |
4063 | } | |
4064 | } | |
4065 | ||
4066 | /* | |
4067 | * Create a file with the certificate information fields... | |
4068 | * | |
4069 | * Note: This assumes that the default questions are asked by the openssl | |
4070 | * command... | |
4071 | */ | |
4072 | ||
4073 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
4074 | { | |
4075 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4076 | "Unable to create certificate information file %s - %s", | |
4077 | infofile, strerror(errno)); | |
4078 | return (0); | |
4079 | } | |
4080 | ||
4081 | cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n", | |
4082 | ServerName, ServerName, ServerAdmin); | |
4083 | cupsFileClose(fp); | |
4084 | ||
8ca02f3c | 4085 | cupsdLogMessage(CUPSD_LOG_INFO, |
4086 | "Generating SSL server key and certificate..."); | |
4087 | ||
4088 | argv[0] = "openssl"; | |
4089 | argv[1] = "req"; | |
4090 | argv[2] = "-new"; | |
4091 | argv[3] = "-x509"; | |
4092 | argv[4] = "-keyout"; | |
4093 | argv[5] = ServerKey; | |
4094 | argv[6] = "-out"; | |
4095 | argv[7] = ServerCertificate; | |
4096 | argv[8] = "-days"; | |
4097 | argv[9] = "3650"; | |
4098 | argv[10] = "-nodes"; | |
4099 | argv[11] = NULL; | |
4100 | ||
4101 | cupsdLoadEnv(envp, MAX_ENV); | |
4102 | ||
d09495fa | 4103 | infofd = open(infofile, O_RDONLY); |
4104 | ||
a4924f6c MS |
4105 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL, |
4106 | &pid)) | |
d09495fa | 4107 | { |
4108 | close(infofd); | |
4109 | unlink(infofile); | |
8ca02f3c | 4110 | return (0); |
d09495fa | 4111 | } |
4112 | ||
4113 | close(infofd); | |
4114 | unlink(infofile); | |
8ca02f3c | 4115 | |
4116 | while (waitpid(pid, &status, 0) < 0) | |
4117 | if (errno != EINTR) | |
4118 | { | |
4119 | status = 1; | |
4120 | break; | |
4121 | } | |
4122 | ||
4123 | cupsdFinishProcess(pid, command, sizeof(command)); | |
4124 | ||
4125 | if (status) | |
4126 | { | |
4127 | if (WIFEXITED(status)) | |
4128 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4129 | "Unable to create SSL server key and certificate - " | |
4130 | "the openssl command stopped with status %d!", | |
4131 | WEXITSTATUS(status)); | |
4132 | else | |
4133 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4134 | "Unable to create SSL server key and certificate - " | |
4135 | "the openssl command crashed on signal %d!", | |
4136 | WTERMSIG(status)); | |
4137 | } | |
4138 | else | |
4139 | { | |
4140 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", | |
4141 | ServerKey); | |
4142 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4143 | "Created SSL server certificate file \"%s\"...", | |
4144 | ServerCertificate); | |
4145 | } | |
4146 | ||
4147 | return (!status); | |
4148 | ||
4149 | #elif defined(HAVE_GNUTLS) | |
4744bd90 | 4150 | gnutls_x509_crt crt; /* Self-signed certificate */ |
4151 | gnutls_x509_privkey key; /* Encryption key */ | |
4152 | cups_lang_t *language; /* Default language info */ | |
4153 | cups_file_t *fp; /* Key/cert file */ | |
4154 | unsigned char buffer[8192]; /* Buffer for x509 data */ | |
4155 | size_t bytes; /* Number of bytes of data */ | |
4156 | unsigned char serial[4]; /* Serial number buffer */ | |
4157 | time_t curtime; /* Current time */ | |
4158 | int result; /* Result of GNU TLS calls */ | |
4159 | ||
4160 | ||
4161 | /* | |
4162 | * Create the encryption key... | |
4163 | */ | |
4164 | ||
8ca02f3c | 4165 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key..."); |
4744bd90 | 4166 | |
4167 | gnutls_x509_privkey_init(&key); | |
4168 | gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0); | |
4169 | ||
4170 | /* | |
4171 | * Save it... | |
4172 | */ | |
4173 | ||
4174 | bytes = sizeof(buffer); | |
4175 | ||
4176 | if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM, | |
4177 | buffer, &bytes)) < 0) | |
4178 | { | |
8ca02f3c | 4179 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s", |
4744bd90 | 4180 | gnutls_strerror(result)); |
4181 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4182 | return (0); |
4744bd90 | 4183 | } |
4184 | else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL) | |
4185 | { | |
4186 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4187 | cupsFileClose(fp); | |
4188 | ||
8ca02f3c | 4189 | cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...", |
4744bd90 | 4190 | ServerKey); |
4191 | } | |
4192 | else | |
4193 | { | |
4194 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4195 | "Unable to create SSL server key file \"%s\" - %s", |
4744bd90 | 4196 | ServerKey, strerror(errno)); |
4197 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4198 | return (0); |
4744bd90 | 4199 | } |
4200 | ||
4201 | /* | |
4202 | * Create the self-signed certificate... | |
4203 | */ | |
4204 | ||
8ca02f3c | 4205 | cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate..."); |
4744bd90 | 4206 | |
4207 | language = cupsLangDefault(); | |
4208 | curtime = time(NULL); | |
4209 | serial[0] = curtime >> 24; | |
4210 | serial[1] = curtime >> 16; | |
4211 | serial[2] = curtime >> 8; | |
4212 | serial[3] = curtime; | |
4213 | ||
4214 | gnutls_x509_crt_init(&crt); | |
4215 | if (strlen(language->language) == 5) | |
4216 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4217 | language->language + 3, 2); | |
4218 | else | |
4219 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0, | |
4220 | "US", 2); | |
4221 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0, | |
4222 | ServerName, strlen(ServerName)); | |
4223 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATION_NAME, 0, | |
4224 | ServerName, strlen(ServerName)); | |
4225 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME, | |
4226 | 0, "Unknown", 7); | |
4227 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0, | |
4228 | "Unknown", 7); | |
4229 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_LOCALITY_NAME, 0, | |
4230 | "Unknown", 7); | |
4231 | gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_PKCS9_EMAIL, 0, | |
4232 | ServerAdmin, strlen(ServerAdmin)); | |
4233 | gnutls_x509_crt_set_key(crt, key); | |
4234 | gnutls_x509_crt_set_serial(crt, serial, sizeof(serial)); | |
4235 | gnutls_x509_crt_set_activation_time(crt, curtime); | |
4236 | gnutls_x509_crt_set_expiration_time(crt, curtime + 10 * 365 * 86400); | |
4237 | gnutls_x509_crt_set_ca_status(crt, 0); | |
4238 | gnutls_x509_crt_set_subject_alternative_name(crt, GNUTLS_SAN_DNSNAME, | |
4239 | ServerName); | |
4240 | gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0); | |
4241 | gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_KEY_ENCIPHERMENT); | |
4242 | gnutls_x509_crt_set_version(crt, 3); | |
4243 | ||
4244 | bytes = sizeof(buffer); | |
4245 | if (gnutls_x509_crt_get_key_id(crt, 0, buffer, &bytes) >= 0) | |
4246 | gnutls_x509_crt_set_subject_key_id(crt, buffer, bytes); | |
4247 | ||
4248 | gnutls_x509_crt_sign(crt, crt, key); | |
4249 | ||
4250 | /* | |
4251 | * Save it... | |
4252 | */ | |
4253 | ||
4254 | bytes = sizeof(buffer); | |
4255 | if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM, | |
4256 | buffer, &bytes)) < 0) | |
4257 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4258 | "Unable to export SSL server certificate - %s", |
4744bd90 | 4259 | gnutls_strerror(result)); |
4260 | else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL) | |
4261 | { | |
4262 | cupsFileWrite(fp, (char *)buffer, bytes); | |
4263 | cupsFileClose(fp); | |
4264 | ||
4265 | cupsdLogMessage(CUPSD_LOG_INFO, | |
8ca02f3c | 4266 | "Created SSL server certificate file \"%s\"...", |
4744bd90 | 4267 | ServerCertificate); |
4268 | } | |
4269 | else | |
4270 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
8ca02f3c | 4271 | "Unable to create SSL server certificate file \"%s\" - %s", |
4744bd90 | 4272 | ServerCertificate, strerror(errno)); |
4273 | ||
4274 | /* | |
4275 | * Cleanup... | |
4276 | */ | |
4277 | ||
4278 | gnutls_x509_crt_deinit(crt); | |
4279 | gnutls_x509_privkey_deinit(key); | |
8ca02f3c | 4280 | |
4281 | return (1); | |
4282 | ||
4283 | #elif defined(HAVE_CDSASSL) && defined(HAVE_WAITPID) | |
b86bc4cf | 4284 | int pid, /* Process ID of command */ |
4285 | status; /* Status of command */ | |
4286 | char command[1024], /* Command */ | |
4287 | *argv[4], /* Command-line arguments */ | |
4288 | *envp[MAX_ENV + 1], /* Environment variables */ | |
4289 | keychain[1024], /* Keychain argument */ | |
4290 | infofile[1024]; /* Type-in information for cert */ | |
4291 | cups_file_t *fp; /* Seed/info file */ | |
4292 | int infofd; /* Info file descriptor */ | |
8ca02f3c | 4293 | |
4294 | ||
4295 | /* | |
b86bc4cf | 4296 | * Run the "certtool" command to generate a self-signed certificate... |
8ca02f3c | 4297 | */ |
4298 | ||
4299 | if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command))) | |
4300 | { | |
4301 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4302 | "No SSL certificate and certtool command not found!"); | |
4303 | return (0); | |
4304 | } | |
4305 | ||
b86bc4cf | 4306 | /* |
4307 | * Create a file with the certificate information fields... | |
4308 | * | |
4309 | * Note: This assumes that the default questions are asked by the certtool | |
4310 | * command... | |
4311 | */ | |
4312 | ||
4313 | if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL) | |
4314 | { | |
4315 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4316 | "Unable to create certificate information file %s - %s", | |
4317 | infofile, strerror(errno)); | |
4318 | return (0); | |
4319 | } | |
4320 | ||
4321 | cupsFilePrintf(fp, "%s\nr\n\ny\nb\ns\ny\n%s\n\n\n\n\n%s\ny\n", | |
4322 | con->servername, con->servername, ServerAdmin); | |
4323 | cupsFileClose(fp); | |
4324 | ||
8ca02f3c | 4325 | cupsdLogMessage(CUPSD_LOG_INFO, |
4326 | "Generating SSL server key and certificate..."); | |
4327 | ||
4328 | snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate); | |
4329 | ||
4330 | argv[0] = "certtool"; | |
4331 | argv[1] = "c"; | |
b86bc4cf | 4332 | argv[2] = keychain; |
4333 | argv[3] = NULL; | |
8ca02f3c | 4334 | |
4335 | cupsdLoadEnv(envp, MAX_ENV); | |
4336 | ||
b86bc4cf | 4337 | infofd = open(infofile, O_RDONLY); |
4338 | ||
a4924f6c MS |
4339 | if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL, |
4340 | &pid)) | |
b86bc4cf | 4341 | { |
4342 | close(infofd); | |
4343 | unlink(infofile); | |
8ca02f3c | 4344 | return (0); |
b86bc4cf | 4345 | } |
4346 | ||
4347 | close(infofd); | |
4348 | unlink(infofile); | |
8ca02f3c | 4349 | |
4350 | while (waitpid(pid, &status, 0) < 0) | |
4351 | if (errno != EINTR) | |
4352 | { | |
4353 | status = 1; | |
4354 | break; | |
4355 | } | |
4356 | ||
4357 | cupsdFinishProcess(pid, command, sizeof(command)); | |
4358 | ||
4359 | if (status) | |
4360 | { | |
4361 | if (WIFEXITED(status)) | |
4362 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4363 | "Unable to create SSL server key and certificate - " | |
4364 | "the certtool command stopped with status %d!", | |
4365 | WEXITSTATUS(status)); | |
4366 | else | |
4367 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4368 | "Unable to create SSL server key and certificate - " | |
4369 | "the certtool command crashed on signal %d!", | |
4370 | WTERMSIG(status)); | |
4371 | } | |
4372 | else | |
4373 | { | |
4374 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4375 | "Created SSL server certificate file \"%s\"...", | |
4376 | ServerCertificate); | |
4377 | } | |
4378 | ||
4379 | return (!status); | |
4380 | ||
4381 | #else | |
4382 | return (0); | |
4383 | #endif /* HAVE_LIBSSL && HAVE_WAITPID */ | |
4744bd90 | 4384 | } |
8ca02f3c | 4385 | #endif /* HAVE_SSL */ |
4744bd90 | 4386 | |
4387 | ||
ef416fc2 | 4388 | /* |
4389 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
4390 | */ | |
4391 | ||
4392 | static int /* O - Process ID */ | |
4393 | pipe_command(cupsd_client_t *con, /* I - Client connection */ | |
4394 | int infile, /* I - Standard input for command */ | |
4395 | int *outfile, /* O - Standard output for command */ | |
4396 | char *command, /* I - Command to run */ | |
4397 | char *options, /* I - Options for command */ | |
4398 | int root) /* I - Run as root? */ | |
4399 | { | |
4400 | int i; /* Looping var */ | |
4401 | int pid; /* Process ID */ | |
b423cd4c | 4402 | char *commptr, /* Command string pointer */ |
4403 | commch; /* Command string character */ | |
ef416fc2 | 4404 | char *uriptr; /* URI string pointer */ |
4405 | int fds[2]; /* Pipe FDs */ | |
4406 | int argc; /* Number of arguments */ | |
4407 | int envc; /* Number of environment variables */ | |
4408 | char argbuf[10240], /* Argument buffer */ | |
4409 | *argv[100], /* Argument strings */ | |
b94498cf | 4410 | *envp[MAX_ENV + 20]; /* Environment variables */ |
5bd77a73 | 4411 | char auth_type[256], /* CUPSD_AUTH_TYPE environment variable */ |
b94498cf | 4412 | content_length[1024], /* CONTENT_LENGTH environment variable */ |
ef416fc2 | 4413 | content_type[1024], /* CONTENT_TYPE environment variable */ |
4414 | http_cookie[32768], /* HTTP_COOKIE environment variable */ | |
f7deaa1a | 4415 | http_referer[1024], /* HTTP_REFERER environment variable */ |
ef416fc2 | 4416 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ |
4417 | lang[1024], /* LANG environment variable */ | |
b423cd4c | 4418 | path_info[1024], /* PATH_INFO environment variable */ |
ef416fc2 | 4419 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
4420 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
4421 | remote_user[1024], /* REMOTE_USER environment variable */ | |
b94498cf | 4422 | script_filename[1024], /* SCRIPT_FILENAME environment variable */ |
ef416fc2 | 4423 | script_name[1024], /* SCRIPT_NAME environment variable */ |
4424 | server_name[1024], /* SERVER_NAME environment variable */ | |
4425 | server_port[1024]; /* SERVER_PORT environment variable */ | |
7dfedb92 | 4426 | ipp_attribute_t *attr; /* attributes-natural-language attribute */ |
5bd77a73 MS |
4427 | #ifdef HAVE_GSSAPI |
4428 | krb5_ccache ccache = NULL; /* Kerberos credentials */ | |
4429 | char krb5ccname[1024]; /* KRB5CCNAME environment variable */ | |
4430 | #endif /* HAVE_GSSAPI */ | |
ef416fc2 | 4431 | |
4432 | ||
4433 | /* | |
4434 | * Parse a copy of the options string, which is of the form: | |
4435 | * | |
b423cd4c | 4436 | * argument+argument+argument |
4437 | * ?argument+argument+argument | |
4438 | * param=value¶m=value | |
4439 | * ?param=value¶m=value | |
4440 | * /name?argument+argument+argument | |
4441 | * /name?param=value¶m=value | |
ef416fc2 | 4442 | * |
4443 | * If the string contains an "=" character after the initial name, | |
4444 | * then we treat it as a HTTP GET form request and make a copy of | |
4445 | * the remaining string for the environment variable. | |
4446 | * | |
4447 | * The string is always parsed out as command-line arguments, to | |
4448 | * be consistent with Apache... | |
4449 | */ | |
4450 | ||
4451 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4452 | "pipe_command: command=\"%s\", options=\"%s\"", | |
f301802f | 4453 | command, options ? options : "(null)"); |
ef416fc2 | 4454 | |
b86bc4cf | 4455 | argv[0] = command; |
ef416fc2 | 4456 | |
b423cd4c | 4457 | if (options) |
4458 | strlcpy(argbuf, options, sizeof(argbuf)); | |
4459 | else | |
4460 | argbuf[0] = '\0'; | |
4461 | ||
4462 | if (argbuf[0] == '/') | |
ef416fc2 | 4463 | { |
4464 | /* | |
b423cd4c | 4465 | * Found some trailing path information, set PATH_INFO... |
ef416fc2 | 4466 | */ |
4467 | ||
b423cd4c | 4468 | if ((commptr = strchr(argbuf, '?')) == NULL) |
4469 | commptr = argbuf + strlen(argbuf); | |
ef416fc2 | 4470 | |
b423cd4c | 4471 | commch = *commptr; |
4472 | *commptr = '\0'; | |
4473 | snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf); | |
4474 | *commptr = commch; | |
4475 | } | |
4476 | else | |
4477 | { | |
4478 | commptr = argbuf; | |
4479 | path_info[0] = '\0'; | |
b94498cf | 4480 | |
4481 | if (*commptr == ' ') | |
4482 | commptr ++; | |
b423cd4c | 4483 | } |
ef416fc2 | 4484 | |
b86bc4cf | 4485 | if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string) |
b423cd4c | 4486 | { |
4487 | commptr ++; | |
b86bc4cf | 4488 | cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr); |
b423cd4c | 4489 | } |
ef416fc2 | 4490 | |
b423cd4c | 4491 | argc = 1; |
ef416fc2 | 4492 | |
b423cd4c | 4493 | if (*commptr) |
4494 | { | |
4495 | argv[argc ++] = commptr; | |
ef416fc2 | 4496 | |
b423cd4c | 4497 | for (; *commptr && argc < 99; commptr ++) |
4498 | { | |
ef416fc2 | 4499 | /* |
b423cd4c | 4500 | * Break arguments whenever we see a + or space... |
ef416fc2 | 4501 | */ |
4502 | ||
b423cd4c | 4503 | if (*commptr == ' ' || *commptr == '+') |
4504 | { | |
4505 | while (*commptr == ' ' || *commptr == '+') | |
4506 | *commptr++ = '\0'; | |
ef416fc2 | 4507 | |
b423cd4c | 4508 | /* |
4509 | * If we don't have a blank string, save it as another argument... | |
4510 | */ | |
ef416fc2 | 4511 | |
b423cd4c | 4512 | if (*commptr) |
4513 | { | |
4514 | argv[argc] = commptr; | |
4515 | argc ++; | |
4516 | } | |
4517 | else | |
4518 | break; | |
4519 | } | |
4520 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && | |
4521 | isxdigit(commptr[2] & 255)) | |
4522 | { | |
4523 | /* | |
4524 | * Convert the %xx notation to the individual character. | |
4525 | */ | |
ef416fc2 | 4526 | |
b423cd4c | 4527 | if (commptr[1] >= '0' && commptr[1] <= '9') |
4528 | *commptr = (commptr[1] - '0') << 4; | |
4529 | else | |
4530 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
ef416fc2 | 4531 | |
b423cd4c | 4532 | if (commptr[2] >= '0' && commptr[2] <= '9') |
4533 | *commptr |= commptr[2] - '0'; | |
4534 | else | |
4535 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
ef416fc2 | 4536 | |
b423cd4c | 4537 | _cups_strcpy(commptr + 1, commptr + 3); |
ef416fc2 | 4538 | |
b423cd4c | 4539 | /* |
4540 | * Check for a %00 and break if that is the case... | |
4541 | */ | |
ef416fc2 | 4542 | |
b423cd4c | 4543 | if (!*commptr) |
4544 | break; | |
4545 | } | |
ef416fc2 | 4546 | } |
4547 | } | |
4548 | ||
4549 | argv[argc] = NULL; | |
4550 | ||
ef416fc2 | 4551 | /* |
4552 | * Setup the environment variables as needed... | |
4553 | */ | |
4554 | ||
b94498cf | 4555 | if (con->username[0]) |
4556 | { | |
5bd77a73 | 4557 | snprintf(auth_type, sizeof(auth_type), "CUPSD_AUTH_TYPE=%s", |
b94498cf | 4558 | httpGetField(HTTP(con), HTTP_FIELD_AUTHORIZATION)); |
4559 | ||
4560 | if ((uriptr = strchr(auth_type + 10, ' ')) != NULL) | |
4561 | *uriptr = '\0'; | |
4562 | } | |
4563 | else | |
4564 | auth_type[0] = '\0'; | |
4565 | ||
7dfedb92 MS |
4566 | if (con->request && |
4567 | (attr = ippFindAttribute(con->request, "attributes-natural-language", | |
4568 | IPP_TAG_LANGUAGE)) != NULL) | |
4569 | { | |
4570 | switch (strlen(attr->values[0].string.text)) | |
4571 | { | |
4572 | default : | |
4573 | /* | |
4574 | * This is an unknown or badly formatted language code; use | |
4575 | * the POSIX locale... | |
4576 | */ | |
4577 | ||
4578 | strcpy(lang, "LANG=C"); | |
4579 | break; | |
4580 | ||
4581 | case 2 : | |
4582 | /* | |
4583 | * Just the language code (ll)... | |
4584 | */ | |
4585 | ||
4586 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", | |
4587 | attr->values[0].string.text); | |
4588 | break; | |
4589 | ||
4590 | case 5 : | |
4591 | /* | |
4592 | * Language and country code (ll-cc)... | |
4593 | */ | |
4594 | ||
4595 | snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8", | |
4596 | attr->values[0].string.text[0], | |
4597 | attr->values[0].string.text[1], | |
4598 | toupper(attr->values[0].string.text[3] & 255), | |
4599 | toupper(attr->values[0].string.text[4] & 255)); | |
4600 | break; | |
4601 | } | |
4602 | } | |
4603 | else if (con->language) | |
4604 | snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language); | |
ef416fc2 | 4605 | else |
4606 | strcpy(lang, "LANG=C"); | |
4607 | ||
4608 | strcpy(remote_addr, "REMOTE_ADDR="); | |
4609 | httpAddrString(con->http.hostaddr, remote_addr + 12, | |
4610 | sizeof(remote_addr) - 12); | |
4611 | ||
4612 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
4613 | con->http.hostname); | |
4614 | ||
4615 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
4616 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
4617 | *uriptr = '\0'; | |
4618 | ||
b94498cf | 4619 | snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s", |
4620 | DocumentRoot, script_name + 12); | |
4621 | ||
ef416fc2 | 4622 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); |
4623 | ||
4624 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
4625 | con->servername); | |
4626 | ||
4627 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
4628 | ||
b94498cf | 4629 | if (auth_type[0]) |
4630 | envp[envc ++] = auth_type; | |
4631 | ||
ef416fc2 | 4632 | envp[envc ++] = lang; |
4633 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
b94498cf | 4634 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; |
ef416fc2 | 4635 | envp[envc ++] = server_name; |
4636 | envp[envc ++] = server_port; | |
4637 | envp[envc ++] = remote_addr; | |
4638 | envp[envc ++] = remote_host; | |
4639 | envp[envc ++] = script_name; | |
b94498cf | 4640 | envp[envc ++] = script_filename; |
ef416fc2 | 4641 | |
b423cd4c | 4642 | if (path_info[0]) |
4643 | envp[envc ++] = path_info; | |
4644 | ||
ef416fc2 | 4645 | if (con->username[0]) |
4646 | { | |
4647 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); | |
4648 | ||
4649 | envp[envc ++] = remote_user; | |
5bd77a73 MS |
4650 | |
4651 | /* | |
4652 | * Save Kerberos credentials, if any... | |
4653 | */ | |
4654 | ||
4655 | #ifdef HAVE_GSSAPI | |
4656 | if (con->gss_have_creds) | |
4657 | { | |
4658 | # if !defined(HAVE_KRB5_CC_NEW_UNIQUE) && !defined(HAVE_HEIMDAL) | |
4659 | cupsdLogMessage(CUPSD_LOG_INFO, | |
4660 | "Sorry, your version of Kerberos does not support " | |
4661 | "delegated credentials!"); | |
4662 | ||
4663 | # else | |
4664 | krb5_error_code error; /* Kerberos error code */ | |
4665 | OM_uint32 major_status, /* Major status code */ | |
4666 | minor_status; /* Minor status code */ | |
4667 | krb5_principal principal; /* Kerberos principal */ | |
4668 | ||
4669 | ||
4670 | # ifdef __APPLE__ | |
4671 | /* | |
4672 | * If the weak-linked GSSAPI/Kerberos library is not present, don't try | |
4673 | * to use it... | |
4674 | */ | |
4675 | ||
4676 | if (krb5_init_context != NULL) | |
4677 | { | |
4678 | # endif /* __APPLE__ */ | |
4679 | ||
4680 | /* | |
4681 | * We MUST create a file-based cache because memory-based caches are | |
4682 | * only valid for the current process/address space. | |
4683 | * | |
4684 | * Due to various bugs/features in different versions of Kerberos, we | |
4685 | * need either the krb5_cc_new_unique() function or Heimdal's version | |
4686 | * of krb5_cc_gen_new() to create a new FILE: credential cache that | |
4687 | * can be passed to the backend. These functions create a temporary | |
4688 | * file (typically in /tmp) containing the cached credentials, which | |
4689 | * are removed when we have successfully printed a job. | |
4690 | */ | |
4691 | ||
4692 | # ifdef HAVE_KRB5_CC_NEW_UNIQUE | |
4693 | if ((error = krb5_cc_new_unique(KerberosContext, "FILE", NULL, | |
4694 | &ccache)) != 0) | |
4695 | # else /* HAVE_HEIMDAL */ | |
4696 | if ((error = krb5_cc_gen_new(KerberosContext, &krb5_fcc_ops, | |
4697 | &ccache)) != 0) | |
4698 | # endif /* HAVE_KRB5_CC_NEW_UNIQUE */ | |
4699 | { | |
4700 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4701 | "Unable to create new credentials cache (%d/%s)", | |
4702 | error, strerror(errno)); | |
4703 | ccache = NULL; | |
4704 | } | |
4705 | else if ((error = krb5_parse_name(KerberosContext, con->username, | |
4706 | &principal)) != 0) | |
4707 | { | |
4708 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4709 | "Unable to parse kerberos username (%d/%s)", error, | |
4710 | strerror(errno)); | |
4711 | krb5_cc_destroy(KerberosContext, ccache); | |
4712 | ccache = NULL; | |
4713 | } | |
4714 | else if ((error = krb5_cc_initialize(KerberosContext, ccache, | |
4715 | principal))) | |
4716 | { | |
4717 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
4718 | "Unable to initialize credentials cache (%d/%s)", error, | |
4719 | strerror(errno)); | |
4720 | krb5_cc_destroy(KerberosContext, ccache); | |
4721 | krb5_free_principal(KerberosContext, principal); | |
4722 | ccache = NULL; | |
4723 | } | |
4724 | else | |
4725 | { | |
4726 | krb5_free_principal(KerberosContext, principal); | |
4727 | ||
4728 | /* | |
4729 | * Copy the user's credentials to the new cache file... | |
4730 | */ | |
4731 | ||
4732 | major_status = gss_krb5_copy_ccache(&minor_status, | |
4733 | con->gss_delegated_cred, ccache); | |
4734 | ||
4735 | if (GSS_ERROR(major_status)) | |
4736 | { | |
4737 | cupsdLogGSSMessage(CUPSD_LOG_ERROR, major_status, minor_status, | |
4738 | "Unable to import client credentials cache"); | |
4739 | krb5_cc_destroy(KerberosContext, ccache); | |
4740 | ccache = NULL; | |
4741 | } | |
4742 | else | |
4743 | { | |
4744 | /* | |
4745 | * Add the KRB5CCNAME environment variable to the job so that the | |
4746 | * backend can use the credentials when printing. | |
4747 | */ | |
4748 | ||
4749 | snprintf(krb5ccname, sizeof(krb5ccname), "KRB5CCNAME=FILE:%s", | |
4750 | krb5_cc_get_name(KerberosContext, ccache)); | |
4751 | envp[envc++] = krb5ccname; | |
4752 | ||
4753 | if (!RunUser) | |
4754 | chown(krb5_cc_get_name(KerberosContext, ccache), User, Group); | |
4755 | } | |
4756 | } | |
4757 | # ifdef __APPLE__ | |
4758 | } | |
4759 | # endif /* __APPLE__ */ | |
4760 | # endif /* HAVE_KRB5_CC_NEW_UNIQUE || HAVE_HEIMDAL */ | |
4761 | } | |
4762 | #endif /* HAVE_GSSAPI */ | |
4763 | ||
ef416fc2 | 4764 | } |
4765 | ||
4766 | if (con->http.version == HTTP_1_1) | |
4767 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
4768 | else if (con->http.version == HTTP_1_0) | |
4769 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
4770 | else | |
4771 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
4772 | ||
4773 | if (con->http.cookie) | |
4774 | { | |
4775 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
4776 | con->http.cookie); | |
4777 | envp[envc ++] = http_cookie; | |
4778 | } | |
4779 | ||
4780 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
4781 | { | |
4782 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
4783 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
4784 | envp[envc ++] = http_user_agent; | |
4785 | } | |
4786 | ||
f7deaa1a | 4787 | if (con->http.fields[HTTP_FIELD_REFERER][0]) |
4788 | { | |
4789 | snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s", | |
4790 | con->http.fields[HTTP_FIELD_REFERER]); | |
4791 | envp[envc ++] = http_referer; | |
4792 | } | |
4793 | ||
ef416fc2 | 4794 | if (con->operation == HTTP_GET) |
4795 | { | |
ef416fc2 | 4796 | envp[envc ++] = "REQUEST_METHOD=GET"; |
4797 | ||
b86bc4cf | 4798 | if (con->query_string) |
ef416fc2 | 4799 | { |
4800 | /* | |
4801 | * Add GET form variables after ?... | |
4802 | */ | |
4803 | ||
b86bc4cf | 4804 | envp[envc ++] = con->query_string; |
ef416fc2 | 4805 | } |
3dfe78b3 MS |
4806 | else |
4807 | envp[envc ++] = "QUERY_STRING="; | |
ef416fc2 | 4808 | } |
4809 | else | |
4810 | { | |
e1d6a774 | 4811 | sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, |
4812 | CUPS_LLCAST con->bytes); | |
ef416fc2 | 4813 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
4814 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
4815 | ||
4816 | envp[envc ++] = "REQUEST_METHOD=POST"; | |
4817 | envp[envc ++] = content_length; | |
4818 | envp[envc ++] = content_type; | |
4819 | } | |
4820 | ||
4821 | /* | |
4822 | * Tell the CGI if we are using encryption... | |
4823 | */ | |
4824 | ||
a74454a7 | 4825 | if (con->http.tls) |
ef416fc2 | 4826 | envp[envc ++] = "HTTPS=ON"; |
4827 | ||
4828 | /* | |
4829 | * Terminate the environment array... | |
4830 | */ | |
4831 | ||
4832 | envp[envc] = NULL; | |
4833 | ||
4834 | if (LogLevel == CUPSD_LOG_DEBUG2) | |
4835 | { | |
4836 | for (i = 0; i < argc; i ++) | |
4837 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4838 | "pipe_command: argv[%d] = \"%s\"", i, argv[i]); | |
4839 | for (i = 0; i < envc; i ++) | |
4840 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
4841 | "pipe_command: envp[%d] = \"%s\"", i, envp[i]); | |
4842 | } | |
4843 | ||
4844 | /* | |
4845 | * Create a pipe for the output... | |
4846 | */ | |
4847 | ||
4848 | if (cupsdOpenPipe(fds)) | |
4849 | { | |
ef416fc2 | 4850 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create pipes for CGI %s - %s", |
4851 | argv[0], strerror(errno)); | |
4852 | return (0); | |
4853 | } | |
4854 | ||
4855 | /* | |
4856 | * Then execute the command... | |
4857 | */ | |
4858 | ||
4859 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
a4924f6c | 4860 | -1, -1, root, DefaultProfile, &pid) < 0) |
ef416fc2 | 4861 | { |
4862 | /* | |
4863 | * Error - can't fork! | |
4864 | */ | |
4865 | ||
4866 | cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to fork for CGI %s - %s", argv[0], | |
4867 | strerror(errno)); | |
4868 | ||
4869 | cupsdClosePipe(fds); | |
4870 | pid = 0; | |
4871 | } | |
4872 | else | |
4873 | { | |
4874 | /* | |
4875 | * Fork successful - return the PID... | |
4876 | */ | |
4877 | ||
4878 | if (con->username[0]) | |
5bd77a73 MS |
4879 | #ifdef HAVE_GSSAPI |
4880 | cupsdAddCert(pid, con->username, ccache); | |
4881 | #else | |
4882 | cupsdAddCert(pid, con->username, NULL); | |
4883 | #endif /* HAVE_GSSAPI */ | |
ef416fc2 | 4884 | |
355e94dc MS |
4885 | cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] %s started - PID = %d", |
4886 | command, pid); | |
ef416fc2 | 4887 | |
4888 | *outfile = fds[0]; | |
4889 | close(fds[1]); | |
4890 | } | |
4891 | ||
ef416fc2 | 4892 | return (pid); |
4893 | } | |
4894 | ||
4895 | ||
4896 | /* | |
a74454a7 | 4897 | * 'write_file()' - Send a file via HTTP. |
e1d6a774 | 4898 | */ |
4899 | ||
4900 | static int /* O - 0 on failure, 1 on success */ | |
a74454a7 | 4901 | write_file(cupsd_client_t *con, /* I - Client connection */ |
4902 | http_status_t code, /* I - HTTP status */ | |
4903 | char *filename, /* I - Filename */ | |
4904 | char *type, /* I - File type */ | |
4905 | struct stat *filestats) /* O - File information */ | |
e1d6a774 | 4906 | { |
4907 | con->file = open(filename, O_RDONLY); | |
4908 | ||
355e94dc | 4909 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "write_file: %d file=%d", con->http.fd, |
e1d6a774 | 4910 | con->file); |
4911 | ||
4912 | if (con->file < 0) | |
4913 | return (0); | |
4914 | ||
4915 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
4916 | ||
4917 | con->pipe_pid = 0; | |
4918 | ||
5bd77a73 | 4919 | if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE)) |
e1d6a774 | 4920 | return (0); |
4921 | ||
4922 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", | |
4923 | httpGetDateString(filestats->st_mtime)) < 0) | |
4924 | return (0); | |
4925 | if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n", | |
4926 | CUPS_LLCAST filestats->st_size) < 0) | |
4927 | return (0); | |
4928 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
4929 | return (0); | |
4930 | ||
07725fee | 4931 | if (cupsdFlushHeader(con) < 0) |
4932 | return (0); | |
d09495fa | 4933 | |
e1d6a774 | 4934 | con->http.data_encoding = HTTP_ENCODE_LENGTH; |
4935 | con->http.data_remaining = filestats->st_size; | |
4936 | ||
4937 | if (con->http.data_remaining <= INT_MAX) | |
4938 | con->http._data_remaining = con->http.data_remaining; | |
4939 | else | |
4940 | con->http._data_remaining = INT_MAX; | |
4941 | ||
f7deaa1a | 4942 | cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, |
4943 | (cupsd_selfunc_t)cupsdWriteClient, con); | |
e1d6a774 | 4944 | |
4945 | return (1); | |
4946 | } | |
4947 | ||
4948 | ||
4949 | /* | |
f899b121 | 4950 | * 'write_pipe()' - Flag that data is available on the CGI pipe. |
4951 | */ | |
4952 | ||
4953 | static void | |
4954 | write_pipe(cupsd_client_t *con) /* I - Client connection */ | |
4955 | { | |
4956 | cupsdLogMessage(CUPSD_LOG_DEBUG2, "write_pipe: CGI output on fd %d...", | |
4957 | con->file); | |
4958 | ||
4959 | con->file_ready = 1; | |
4960 | ||
4961 | cupsdRemoveSelect(con->file); | |
4962 | cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con); | |
4963 | } | |
4964 | ||
4965 | ||
4966 | /* | |
75bd9771 | 4967 | * End of "$Id: client.c 7673 2008-06-18 22:31:26Z mike $". |
ef416fc2 | 4968 | */ |