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a74b005d | 1 | /* |
98fe75ea | 2 | * "$Id: client.c,v 1.91.2.97 2005/01/03 18:48:04 mike Exp $" |
a74b005d | 3 | * |
4 | * Client routines for the Common UNIX Printing System (CUPS) scheduler. | |
5 | * | |
9639c4de | 6 | * Copyright 1997-2004 by Easy Software Products, all rights reserved. |
a74b005d | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
8784b6a6 | 17 | * 44141 Airport View Drive, Suite 204 |
8650fcf2 | 18 | * Hollywood, Maryland 20636 USA |
a74b005d | 19 | * |
6bb5a528 | 20 | * Voice: (301) 373-9600 |
a74b005d | 21 | * EMail: cups-info@cups.org |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
93894a43 | 26 | * AcceptClient() - Accept a new client. |
27 | * CloseAllClients() - Close all remote clients immediately. | |
28 | * CloseClient() - Close a remote client. | |
a75c006a | 29 | * EncryptClient() - Enable encryption for the client... |
3721af07 | 30 | * IsCGI() - Is the resource a CGI script/program? |
93894a43 | 31 | * ReadClient() - Read data from a client. |
32 | * SendCommand() - Send output from a command via HTTP. | |
33 | * SendError() - Send an error message via HTTP. | |
34 | * SendFile() - Send a file via HTTP. | |
35 | * SendHeader() - Send an HTTP request. | |
0a968cfb | 36 | * UpdateCGI() - Read status messages from CGI scripts and programs. |
93894a43 | 37 | * WriteClient() - Write data to a client as needed. |
38 | * check_if_modified() - Decode an "If-Modified-Since" line. | |
d2122fde | 39 | * decode_auth() - Decode an authorization string. |
93894a43 | 40 | * get_file() - Get a filename and state info. |
753453e4 | 41 | * install_conf_file() - Install a configuration file. |
3780dd72 | 42 | * is_path_absolute() - Is a path absolute and free of relative elements. |
93894a43 | 43 | * pipe_command() - Pipe the output of a command to the remote client. |
dcfcaeac | 44 | * CDSAReadFunc() - Read function for CDSA decryption code. |
45 | * CDSAWriteFunc() - Write function for CDSA encryption code. | |
a74b005d | 46 | */ |
47 | ||
48 | /* | |
49 | * Include necessary headers... | |
50 | */ | |
51 | ||
3b602493 | 52 | #include <cups/http-private.h> |
a74b005d | 53 | #include "cupsd.h" |
bd917997 | 54 | #include <grp.h> |
55 | ||
a74b005d | 56 | |
57 | /* | |
58 | * Local functions... | |
59 | */ | |
60 | ||
753453e4 | 61 | static int check_if_modified(client_t *con, |
62 | struct stat *filestats); | |
63 | static void decode_auth(client_t *con); | |
6db7190f | 64 | static char *get_file(client_t *con, struct stat *filestats, |
65 | char *filename, int len); | |
753453e4 | 66 | static http_status_t install_conf_file(client_t *con); |
3780dd72 | 67 | static int is_path_absolute(const char *path); |
753453e4 | 68 | static int pipe_command(client_t *con, int infile, int *outfile, |
69 | char *command, char *options); | |
a74b005d | 70 | |
dcfcaeac | 71 | #ifdef HAVE_CDSASSL |
df28ec49 | 72 | static OSStatus CDSAReadFunc(SSLConnectionRef connection, void *data, |
dcfcaeac | 73 | size_t *dataLength); |
df28ec49 | 74 | static OSStatus CDSAWriteFunc(SSLConnectionRef connection, |
dcfcaeac | 75 | const void *data, size_t *dataLength); |
76 | #endif /* HAVE_CDSASSL */ | |
77 | ||
a74b005d | 78 | |
79 | /* | |
80 | * 'AcceptClient()' - Accept a new client. | |
81 | */ | |
82 | ||
83 | void | |
84 | AcceptClient(listener_t *lis) /* I - Listener socket */ | |
85 | { | |
27eba2dd | 86 | int i; /* Looping var */ |
1060c9b6 | 87 | int count; /* Count of connections on a host */ |
a74b005d | 88 | int val; /* Parameter value */ |
89 | client_t *con; /* New client pointer */ | |
99de6da0 | 90 | const struct hostent *host; /* Host entry for address */ |
18fe941f | 91 | char *hostname;/* Hostname for address */ |
99de6da0 | 92 | http_addr_t temp; /* Temporary address variable */ |
f0ad8cdc | 93 | static time_t last_dos = 0; |
94 | /* Time of last DoS attack */ | |
a74b005d | 95 | |
96 | ||
6a2cceab | 97 | LogMessage(L_DEBUG2, "AcceptClient(lis=%p) %d NumClients = %d", |
27eba2dd | 98 | lis, lis->fd, NumClients); |
bfa1abf0 | 99 | |
12aa0c1f | 100 | /* |
101 | * Make sure we don't have a full set of clients already... | |
102 | */ | |
103 | ||
104 | if (NumClients == MaxClients) | |
105 | return; | |
106 | ||
a74b005d | 107 | /* |
108 | * Get a pointer to the next available client... | |
109 | */ | |
110 | ||
111 | con = Clients + NumClients; | |
112 | ||
113 | memset(con, 0, sizeof(client_t)); | |
114 | con->http.activity = time(NULL); | |
819347a7 | 115 | con->file = -1; |
a74b005d | 116 | |
117 | /* | |
118 | * Accept the client and get the remote address... | |
119 | */ | |
120 | ||
121 | val = sizeof(struct sockaddr_in); | |
122 | ||
2f6d083c | 123 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)&(con->http.hostaddr), |
124 | &val)) < 0) | |
a74b005d | 125 | { |
27eba2dd | 126 | LogMessage(L_ERROR, "Unable to accept client connection - %s.", |
127 | strerror(errno)); | |
a74b005d | 128 | return; |
129 | } | |
130 | ||
99de6da0 | 131 | #ifdef AF_INET6 |
132 | if (lis->address.addr.sa_family == AF_INET6) | |
133 | con->http.hostaddr.ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
134 | else | |
135 | #endif /* AF_INET6 */ | |
136 | con->http.hostaddr.ipv4.sin_port = lis->address.ipv4.sin_port; | |
a74b005d | 137 | |
1060c9b6 | 138 | /* |
139 | * Check the number of clients on the same address... | |
140 | */ | |
141 | ||
142 | for (i = 0, count = 0; i < NumClients; i ++) | |
143 | if (memcmp(&(Clients[i].http.hostaddr), &(con->http.hostaddr), | |
144 | sizeof(con->http.hostaddr)) == 0) | |
145 | { | |
146 | count ++; | |
147 | if (count >= MaxClientsPerHost) | |
148 | break; | |
149 | } | |
150 | ||
151 | if (count >= MaxClientsPerHost) | |
152 | { | |
f0ad8cdc | 153 | if ((time(NULL) - last_dos) >= 60) |
154 | { | |
155 | last_dos = time(NULL); | |
156 | LogMessage(L_WARN, "Possible DoS attack - more than %d clients connecting from %s!", | |
157 | MaxClientsPerHost, Clients[i].http.hostname); | |
158 | } | |
1060c9b6 | 159 | |
160 | #ifdef WIN32 | |
161 | closesocket(con->http.fd); | |
162 | #else | |
163 | close(con->http.fd); | |
164 | #endif /* WIN32 */ | |
165 | ||
166 | return; | |
167 | } | |
168 | ||
169 | /* | |
170 | * Get the hostname or format the IP address as needed... | |
171 | */ | |
172 | ||
a74b005d | 173 | if (HostNameLookups) |
18fe941f | 174 | hostname = httpAddrLookup(&(con->http.hostaddr), con->http.hostname, |
175 | sizeof(con->http.hostname)); | |
a74b005d | 176 | else |
99de6da0 | 177 | { |
18fe941f | 178 | hostname = NULL; |
99de6da0 | 179 | httpAddrString(&(con->http.hostaddr), con->http.hostname, |
180 | sizeof(con->http.hostname)); | |
181 | } | |
a74b005d | 182 | |
06415a96 | 183 | if (httpAddrLocalhost(&(con->http.hostaddr))) |
184 | { | |
185 | /* | |
186 | * Map accesses from the loopback interface to "localhost"... | |
187 | */ | |
188 | ||
189 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
190 | } | |
191 | else if (httpAddrEqual(&(con->http.hostaddr), &ServerAddr)) | |
2bdd1992 | 192 | { |
193 | /* | |
194 | * Map accesses from the same host to the server name. | |
195 | */ | |
196 | ||
def978d5 | 197 | strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname)); |
2bdd1992 | 198 | } |
27eba2dd | 199 | |
18fe941f | 200 | if (hostname == NULL && HostNameLookups == 2) |
99de6da0 | 201 | { |
202 | /* | |
203 | * Can't have an unresolved IP address with double-lookups enabled... | |
204 | */ | |
27eba2dd | 205 | |
6cd03542 | 206 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
207 | con->http.fd); | |
208 | ||
27eba2dd | 209 | #ifdef WIN32 |
99de6da0 | 210 | closesocket(con->http.fd); |
27eba2dd | 211 | #else |
99de6da0 | 212 | close(con->http.fd); |
27eba2dd | 213 | #endif /* WIN32 */ |
214 | ||
99de6da0 | 215 | LogMessage(L_WARN, "Name lookup failed - connection from %s closed!", |
216 | con->http.hostname); | |
217 | return; | |
27eba2dd | 218 | } |
a74b005d | 219 | |
27eba2dd | 220 | if (HostNameLookups == 2) |
221 | { | |
222 | /* | |
223 | * Do double lookups as needed... | |
224 | */ | |
225 | ||
753453e4 | 226 | if ((host = httpGetHostByName(con->http.hostname)) != NULL) |
27eba2dd | 227 | { |
228 | /* | |
99de6da0 | 229 | * See if the hostname maps to the same IP address... |
27eba2dd | 230 | */ |
231 | ||
99de6da0 | 232 | if (host->h_addrtype != con->http.hostaddr.addr.sa_family) |
27eba2dd | 233 | { |
234 | /* | |
99de6da0 | 235 | * Not the right type of address... |
27eba2dd | 236 | */ |
237 | ||
46490d9d | 238 | host = NULL; |
27eba2dd | 239 | } |
240 | else | |
241 | { | |
242 | /* | |
243 | * Compare all of the addresses against this one... | |
244 | */ | |
245 | ||
46490d9d | 246 | for (i = 0; host->h_addr_list[i]; i ++) |
99de6da0 | 247 | { |
248 | httpAddrLoad(host, 0, i, &temp); | |
249 | ||
250 | if (httpAddrEqual(&(con->http.hostaddr), &temp)) | |
27eba2dd | 251 | break; |
99de6da0 | 252 | } |
27eba2dd | 253 | |
46490d9d | 254 | if (!host->h_addr_list[i]) |
255 | host = NULL; | |
27eba2dd | 256 | } |
257 | } | |
258 | ||
46490d9d | 259 | if (host == NULL) |
27eba2dd | 260 | { |
261 | /* | |
262 | * Can't have a hostname that doesn't resolve to the same IP address | |
263 | * with double-lookups enabled... | |
264 | */ | |
265 | ||
6cd03542 | 266 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
267 | con->http.fd); | |
268 | ||
27eba2dd | 269 | #ifdef WIN32 |
270 | closesocket(con->http.fd); | |
271 | #else | |
272 | close(con->http.fd); | |
273 | #endif /* WIN32 */ | |
274 | ||
275 | LogMessage(L_WARN, "IP lookup failed - connection from %s closed!", | |
276 | con->http.hostname); | |
277 | return; | |
278 | } | |
279 | } | |
280 | ||
99de6da0 | 281 | #ifdef AF_INET6 |
282 | if (con->http.hostaddr.addr.sa_family == AF_INET6) | |
18fe941f | 283 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 284 | con->http.hostname, ntohs(con->http.hostaddr.ipv6.sin6_port)); |
285 | else | |
286 | #endif /* AF_INET6 */ | |
18fe941f | 287 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 288 | con->http.hostname, ntohs(con->http.hostaddr.ipv4.sin_port)); |
a74b005d | 289 | |
9ae34eb7 | 290 | /* |
291 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
292 | * with a slow loopback interface... Since we write large buffers | |
293 | * when sending print files and requests, there shouldn't be any | |
294 | * performance penalty for this... | |
295 | */ | |
296 | ||
297 | val = 1; | |
298 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); | |
299 | ||
e6df8a90 | 300 | #ifdef FD_CLOEXEC |
a74b005d | 301 | /* |
2e32fcdb | 302 | * Close this file on all execs... |
a74b005d | 303 | */ |
304 | ||
e6df8a90 | 305 | fcntl(con->http.fd, F_SETFD, FD_CLOEXEC); |
306 | #endif /* FD_CLOEXEC */ | |
a74b005d | 307 | |
2e32fcdb | 308 | /* |
309 | * Add the socket to the select() input mask. | |
310 | */ | |
311 | ||
18fe941f | 312 | LogMessage(L_DEBUG2, "AcceptClient: Adding fd %d to InputSet...", |
27eba2dd | 313 | con->http.fd); |
f3bc1068 | 314 | FD_SET(con->http.fd, InputSet); |
a74b005d | 315 | |
316 | NumClients ++; | |
317 | ||
318 | /* | |
319 | * Temporarily suspend accept()'s until we lose a client... | |
320 | */ | |
321 | ||
997edb40 | 322 | if (NumClients == MaxClients) |
d236cb49 | 323 | PauseListening(); |
2a0ef17a | 324 | |
bcf61448 | 325 | #ifdef HAVE_SSL |
2a0ef17a | 326 | /* |
0b50ddbc | 327 | * See if we are connecting on a secure port... |
2a0ef17a | 328 | */ |
329 | ||
0b50ddbc | 330 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) |
2a0ef17a | 331 | { |
332 | /* | |
333 | * https connection; go secure... | |
334 | */ | |
335 | ||
b92c5a4f | 336 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; |
337 | ||
2a0ef17a | 338 | EncryptClient(con); |
339 | } | |
bcf61448 | 340 | #endif /* HAVE_SSL */ |
a74b005d | 341 | } |
342 | ||
343 | ||
344 | /* | |
345 | * 'CloseAllClients()' - Close all remote clients immediately. | |
346 | */ | |
347 | ||
348 | void | |
349 | CloseAllClients(void) | |
350 | { | |
351 | while (NumClients > 0) | |
352 | CloseClient(Clients); | |
353 | } | |
354 | ||
355 | ||
356 | /* | |
357 | * 'CloseClient()' - Close a remote client. | |
358 | */ | |
359 | ||
819347a7 | 360 | int /* O - 1 if partial close, 0 if fully closed */ |
a74b005d | 361 | CloseClient(client_t *con) /* I - Client to close */ |
362 | { | |
4cdd993e | 363 | int partial; /* Do partial close for SSL? */ |
dcfcaeac | 364 | #if defined(HAVE_LIBSSL) |
2a0ef17a | 365 | SSL_CTX *context; /* Context for encryption */ |
366 | SSL *conn; /* Connection for encryption */ | |
c3c5af5e | 367 | unsigned long error; /* Error code */ |
dcfcaeac | 368 | #elif defined(HAVE_GNUTLS) |
369 | http_tls_t *conn; /* TLS connection information */ | |
bcf61448 | 370 | int error; /* Error code */ |
dcfcaeac | 371 | gnutls_certificate_server_credentials *credentials; |
372 | /* TLS credentials */ | |
bcf61448 | 373 | #endif /* HAVE_GNUTLS */ |
a74b005d | 374 | |
375 | ||
11009aea | 376 | LogMessage(L_DEBUG, "CloseClient: %d", con->http.fd); |
a74b005d | 377 | |
4cdd993e | 378 | partial = 0; |
fc757c63 | 379 | |
bcf61448 | 380 | #ifdef HAVE_SSL |
2a0ef17a | 381 | /* |
382 | * Shutdown encryption as needed... | |
383 | */ | |
384 | ||
385 | if (con->http.tls) | |
386 | { | |
4cdd993e | 387 | partial = 1; |
388 | ||
dcfcaeac | 389 | # ifdef HAVE_LIBSSL |
2a0ef17a | 390 | conn = (SSL *)(con->http.tls); |
391 | context = SSL_get_SSL_CTX(conn); | |
392 | ||
c3c5af5e | 393 | switch (SSL_shutdown(conn)) |
394 | { | |
395 | case 1 : | |
396 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
397 | break; | |
398 | case -1 : | |
399 | LogMessage(L_ERROR, "CloseClient: Fatal error during SSL shutdown!"); | |
400 | default : | |
401 | while ((error = ERR_get_error()) != 0) | |
402 | LogMessage(L_ERROR, "CloseClient: %s", ERR_error_string(error, NULL)); | |
403 | break; | |
404 | } | |
405 | ||
2a0ef17a | 406 | SSL_CTX_free(context); |
407 | SSL_free(conn); | |
dcfcaeac | 408 | |
409 | # elif defined(HAVE_GNUTLS) | |
bcf61448 | 410 | conn = (http_tls_t *)(con->http.tls); |
411 | credentials = (gnutls_certificate_server_credentials *)(conn->credentials); | |
412 | ||
413 | error = gnutls_bye(conn->session, GNUTLS_SHUT_WR); | |
414 | switch (error) | |
415 | { | |
416 | case GNUTLS_E_SUCCESS: | |
417 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
418 | break; | |
419 | default: | |
420 | LogMessage(L_ERROR, "CloseClient: %s", gnutls_strerror(error)); | |
421 | break; | |
422 | } | |
423 | ||
424 | gnutls_deinit(conn->session); | |
425 | gnutls_certificate_free_credentials(*credentials); | |
426 | free(credentials); | |
427 | free(conn); | |
dcfcaeac | 428 | |
429 | # elif defined(HAVE_CDSASSL) | |
430 | status = SSLClose((SSLContextRef)con->http.tls); | |
431 | SSLDisposeContext((SSLContextRef)con->http.tls); | |
432 | # endif /* HAVE_LIBSSL */ | |
2a0ef17a | 433 | |
434 | con->http.tls = NULL; | |
435 | } | |
dcfcaeac | 436 | #endif /* HAVE_SSL */ |
2a0ef17a | 437 | |
a74b005d | 438 | /* |
439 | * Close the socket and clear the file from the input set for select()... | |
440 | */ | |
441 | ||
4cdd993e | 442 | if (con->http.fd > 0) |
882031b3 | 443 | { |
4cdd993e | 444 | if (partial) |
445 | { | |
446 | /* | |
447 | * Only do a partial close so that the encrypted client gets everything. | |
448 | */ | |
449 | ||
450 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from OutputSet...", | |
451 | con->http.fd); | |
452 | shutdown(con->http.fd, 0); | |
453 | FD_CLR(con->http.fd, OutputSet); | |
454 | } | |
455 | else | |
456 | { | |
457 | /* | |
458 | * Shut the socket down fully... | |
459 | */ | |
460 | ||
461 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from InputSet and OutputSet...", | |
462 | con->http.fd); | |
463 | close(con->http.fd); | |
464 | FD_CLR(con->http.fd, InputSet); | |
465 | FD_CLR(con->http.fd, OutputSet); | |
10d8ebcc | 466 | con->http.fd = -1; |
4cdd993e | 467 | } |
882031b3 | 468 | } |
a74b005d | 469 | |
a74b005d | 470 | if (con->pipe_pid != 0) |
bfa1abf0 | 471 | { |
4cdd993e | 472 | /* |
473 | * Stop any CGI process... | |
474 | */ | |
475 | ||
476 | LogMessage(L_DEBUG2, "CloseClient: %d Killing process ID %d...", | |
477 | con->http.fd, con->pipe_pid); | |
478 | kill(con->pipe_pid, SIGKILL); | |
4cdd993e | 479 | } |
26bb6ac6 | 480 | |
6a2cceab | 481 | if (con->file >= 0) |
482 | { | |
483 | if (FD_ISSET(con->file, InputSet)) | |
484 | { | |
485 | LogMessage(L_DEBUG2, "CloseClient: %d Removing fd %d from InputSet...", | |
486 | con->http.fd, con->file); | |
487 | FD_CLR(con->file, InputSet); | |
488 | } | |
4cdd993e | 489 | |
490 | LogMessage(L_DEBUG2, "CloseClient: %d Closing data file %d.", | |
491 | con->http.fd, con->file); | |
492 | ||
a74b005d | 493 | close(con->file); |
6a2cceab | 494 | con->file = -1; |
a74b005d | 495 | } |
496 | ||
4cdd993e | 497 | if (!partial) |
25135af7 | 498 | { |
4cdd993e | 499 | /* |
500 | * Free memory... | |
501 | */ | |
25135af7 | 502 | |
4cdd993e | 503 | if (con->http.input_set) |
504 | free(con->http.input_set); | |
25135af7 | 505 | |
4cdd993e | 506 | httpClearCookie(HTTP(con)); |
25135af7 | 507 | |
4cdd993e | 508 | ClearString(&con->filename); |
509 | ClearString(&con->command); | |
510 | ClearString(&con->options); | |
26bb6ac6 | 511 | |
4cdd993e | 512 | if (con->request) |
513 | { | |
514 | ippDelete(con->request); | |
515 | con->request = NULL; | |
516 | } | |
26bb6ac6 | 517 | |
4cdd993e | 518 | if (con->response) |
519 | { | |
520 | ippDelete(con->response); | |
521 | con->response = NULL; | |
522 | } | |
a74b005d | 523 | |
4cdd993e | 524 | if (con->language) |
525 | { | |
526 | cupsLangFree(con->language); | |
527 | con->language = NULL; | |
528 | } | |
a74b005d | 529 | |
4cdd993e | 530 | /* |
531 | * Re-enable new client connections if we are going back under the | |
532 | * limit... | |
533 | */ | |
534 | ||
535 | if (NumClients == MaxClients) | |
536 | ResumeListening(); | |
537 | ||
538 | /* | |
539 | * Compact the list of clients as necessary... | |
540 | */ | |
541 | ||
542 | NumClients --; | |
543 | ||
544 | if (con < (Clients + NumClients)) | |
545 | memmove(con, con + 1, (Clients + NumClients - con) * sizeof(client_t)); | |
546 | } | |
819347a7 | 547 | |
548 | return (partial); | |
a74b005d | 549 | } |
550 | ||
551 | ||
a75c006a | 552 | /* |
553 | * 'EncryptClient()' - Enable encryption for the client... | |
554 | */ | |
555 | ||
556 | int /* O - 1 on success, 0 on error */ | |
557 | EncryptClient(client_t *con) /* I - Client to encrypt */ | |
558 | { | |
bcf61448 | 559 | #if defined HAVE_LIBSSL |
a75c006a | 560 | SSL_CTX *context; /* Context for encryption */ |
561 | SSL *conn; /* Connection for encryption */ | |
753453e4 | 562 | unsigned long error; /* Error code */ |
1c6682dd | 563 | |
564 | ||
565 | /* | |
566 | * Create the SSL context and accept the connection... | |
567 | */ | |
568 | ||
bcf61448 | 569 | context = SSL_CTX_new(SSLv23_server_method()); |
570 | ||
571 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); | |
572 | SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM); | |
a75c006a | 573 | |
bcf61448 | 574 | conn = SSL_new(context); |
a75c006a | 575 | |
576 | SSL_set_fd(conn, con->http.fd); | |
577 | if (SSL_accept(conn) != 1) | |
578 | { | |
11009aea | 579 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
580 | con->http.hostname); | |
581 | ||
1c6682dd | 582 | while ((error = ERR_get_error()) != 0) |
583 | LogMessage(L_ERROR, "EncryptClient: %s", ERR_error_string(error, NULL)); | |
584 | ||
a75c006a | 585 | SSL_CTX_free(context); |
586 | SSL_free(conn); | |
587 | return (0); | |
588 | } | |
589 | ||
11009aea | 590 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
591 | con->http.fd, con->http.hostname); | |
592 | ||
bcf61448 | 593 | con->http.tls = conn; |
594 | return (1); | |
dcfcaeac | 595 | |
596 | #elif defined(HAVE_GNUTLS) | |
bcf61448 | 597 | http_tls_t *conn; /* TLS session object */ |
598 | int error; /* Error code */ | |
dcfcaeac | 599 | gnutls_certificate_server_credentials *credentials; |
600 | /* TLS credentials */ | |
bcf61448 | 601 | |
602 | /* | |
603 | * Create the SSL object and perform the SSL handshake... | |
604 | */ | |
605 | ||
606 | conn = (http_tls_t *)malloc(sizeof(gnutls_session)); | |
dcfcaeac | 607 | |
bcf61448 | 608 | if (conn == NULL) |
609 | return (0); | |
dcfcaeac | 610 | |
bcf61448 | 611 | credentials = (gnutls_certificate_server_credentials *) |
dcfcaeac | 612 | malloc(sizeof(gnutls_certificate_server_credentials)); |
bcf61448 | 613 | if (credentials == NULL) |
614 | { | |
11009aea | 615 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
616 | con->http.hostname); | |
617 | LogMessage(L_ERROR, "EncryptClient: %s", strerror(errno)); | |
618 | ||
bcf61448 | 619 | free(conn); |
620 | return (0); | |
621 | } | |
622 | ||
623 | gnutls_certificate_allocate_credentials(credentials); | |
624 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, | |
625 | ServerKey, GNUTLS_X509_FMT_PEM); | |
626 | ||
627 | gnutls_init(&(conn->session), GNUTLS_SERVER); | |
628 | gnutls_set_default_priority(conn->session); | |
629 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
630 | gnutls_transport_set_ptr(conn->session, con->http.fd); | |
631 | ||
632 | error = gnutls_handshake(conn->session); | |
633 | ||
634 | if (error != GNUTLS_E_SUCCESS) | |
635 | { | |
11009aea | 636 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
637 | con->http.hostname); | |
bcf61448 | 638 | LogMessage(L_ERROR, "EncryptClient: %s", gnutls_strerror(error)); |
11009aea | 639 | |
bcf61448 | 640 | gnutls_deinit(conn->session); |
641 | gnutls_certificate_free_credentials(*credentials); | |
642 | free(conn); | |
643 | free(credentials); | |
644 | return (0); | |
645 | } | |
646 | ||
11009aea | 647 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
648 | con->http.fd, con->http.hostname); | |
bcf61448 | 649 | |
650 | conn->credentials = credentials; | |
a75c006a | 651 | con->http.tls = conn; |
652 | return (1); | |
dcfcaeac | 653 | |
654 | #elif defined(HAVE_CDSASSL) | |
655 | OSStatus error; /* Error info */ | |
656 | SSLContextRef conn; /* New connection */ | |
657 | SSLProtocol tryVersion; /* Protocol version */ | |
658 | const char *hostName; /* Local hostname */ | |
659 | int allowExpired; /* Allow expired certificates? */ | |
660 | int allowAnyRoot; /* Allow any root certificate? */ | |
661 | SSLProtocol *negVersion; /* Negotiated protocol version */ | |
662 | SSLCipherSuite *negCipher; /* Negotiated cypher */ | |
663 | CFArrayRef *peerCerts; /* Certificates */ | |
664 | ||
665 | ||
666 | conn = NULL; | |
667 | error = SSLNewContext(true, &conn); | |
668 | allowExpired = 1; | |
669 | allowAnyRoot = 1; | |
670 | ||
671 | if (!error) | |
672 | error = SSLSetIOFuncs(conn, CDSAReadFunc, CDSAWriteFunc); | |
673 | ||
674 | if (!error) | |
675 | error = SSLSetProtocolVersion(conn, kSSLProtocol3); | |
676 | ||
677 | if (!error) | |
678 | error = SSLSetConnection(conn, (SSLConnectionRef)con->http.fd); | |
679 | ||
680 | if (!error) | |
681 | { | |
682 | hostName = ServerName; /* MRS: ??? */ | |
683 | error = SSLSetPeerDomainName(conn, hostName, strlen(hostName) + 1); | |
684 | } | |
685 | ||
686 | /* have to do these options befor setting server certs */ | |
687 | if (!error && allowExpired) | |
688 | error = SSLSetAllowsExpiredCerts(conn, true); | |
689 | ||
690 | if (!error && allowAnyRoot) | |
691 | error = SSLSetAllowsAnyRoot(conn, true); | |
692 | ||
693 | if (!error && ServerCertificatesArray != NULL) | |
694 | error = SSLSetCertificate(conn, ServerCertificatesArray); | |
695 | ||
696 | /* | |
697 | * Perform SSL/TLS handshake | |
698 | */ | |
699 | ||
700 | do | |
701 | { | |
702 | error = SSLHandshake(conn); | |
703 | } | |
704 | while (error == errSSLWouldBlock); | |
705 | ||
706 | if (error) | |
707 | { | |
11009aea | 708 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
709 | con->http.hostname); | |
710 | ||
711 | LogMessage(L_ERROR, "EncryptClient: CDSA error code is %d", error); | |
dcfcaeac | 712 | |
713 | con->http.error = error; | |
714 | con->http.status = HTTP_ERROR; | |
715 | ||
716 | if (conn != NULL) | |
717 | SSLDisposeContext(conn); | |
718 | ||
719 | return (0); | |
720 | } | |
721 | ||
11009aea | 722 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
723 | con->http.fd, con->http.hostname); | |
724 | ||
dcfcaeac | 725 | con->http.tls = conn; |
726 | return (1); | |
727 | ||
a75c006a | 728 | #else |
729 | return (0); | |
bcf61448 | 730 | #endif /* HAVE_GNUTLS */ |
a75c006a | 731 | } |
732 | ||
733 | ||
3721af07 | 734 | /* |
735 | * 'IsCGI()' - Is the resource a CGI script/program? | |
736 | */ | |
737 | ||
738 | int /* O - 1 = CGI, 0 = file */ | |
739 | IsCGI(client_t *con, /* I - Client connection */ | |
740 | const char *filename, /* I - Real filename */ | |
741 | struct stat *filestats, /* I - File information */ | |
742 | mime_type_t *type) /* I - MIME type */ | |
743 | { | |
744 | const char *options; /* Options on URL */ | |
745 | ||
746 | ||
747 | LogMessage(L_DEBUG2, "IsCGI(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n", | |
748 | con, filename, filestats, type ? type->super : "unknown", | |
749 | type ? type->type : "unknown"); | |
750 | ||
751 | /* | |
752 | * Get the options, if any... | |
753 | */ | |
754 | ||
755 | if ((options = strchr(con->uri, '?')) != NULL) | |
756 | options ++; | |
757 | ||
758 | /* | |
759 | * Check for known types... | |
760 | */ | |
761 | ||
a89836ef | 762 | if (!type || strcasecmp(type->super, "application")) |
3721af07 | 763 | { |
764 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
765 | return (0); | |
766 | } | |
767 | ||
768 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
769 | (filestats->st_mode & 0111)) | |
770 | { | |
771 | /* | |
772 | * "application/x-httpd-cgi" is a CGI script. | |
773 | */ | |
774 | ||
775 | SetString(&con->command, filename); | |
776 | ||
777 | filename = strrchr(filename, '/') + 1; /* Filename always absolute */ | |
778 | ||
779 | if (options) | |
780 | SetStringf(&con->options, "%s %s", filename, options); | |
781 | else | |
782 | SetStringf(&con->options, "%s", filename); | |
783 | ||
784 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
785 | con->command, con->options); | |
786 | ||
787 | return (1); | |
788 | } | |
789 | #ifdef HAVE_JAVA | |
790 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
791 | { | |
792 | /* | |
793 | * "application/x-httpd-java" is a Java servlet. | |
794 | */ | |
795 | ||
796 | SetString(&con->command, CUPS_JAVA); | |
797 | ||
798 | if (options) | |
799 | SetStringf(&con->options, "java %s %s", filename, options); | |
800 | else | |
801 | SetStringf(&con->options, "java %s", filename); | |
802 | ||
803 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
804 | con->command, con->options); | |
805 | ||
806 | return (1); | |
807 | } | |
808 | #endif /* HAVE_JAVA */ | |
809 | #ifdef HAVE_PERL | |
810 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
811 | { | |
812 | /* | |
813 | * "application/x-httpd-perl" is a Perl page. | |
814 | */ | |
815 | ||
816 | SetString(&con->command, CUPS_PERL); | |
817 | ||
818 | if (options) | |
819 | SetStringf(&con->options, "perl %s %s", filename, options); | |
820 | else | |
821 | SetStringf(&con->options, "perl %s", filename); | |
822 | ||
823 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
824 | con->command, con->options); | |
825 | ||
826 | return (1); | |
827 | } | |
828 | #endif /* HAVE_PERL */ | |
829 | #ifdef HAVE_PHP | |
830 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
831 | { | |
832 | /* | |
833 | * "application/x-httpd-php" is a PHP page. | |
834 | */ | |
835 | ||
836 | SetString(&con->command, CUPS_PHP); | |
837 | ||
838 | if (options) | |
839 | SetStringf(&con->options, "php %s %s", filename, options); | |
840 | else | |
841 | SetStringf(&con->options, "php %s", filename); | |
842 | ||
843 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
844 | con->command, con->options); | |
845 | ||
846 | return (1); | |
847 | } | |
848 | #endif /* HAVE_PHP */ | |
849 | #ifdef HAVE_PYTHON | |
850 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
851 | { | |
852 | /* | |
853 | * "application/x-httpd-python" is a Python page. | |
854 | */ | |
855 | ||
856 | SetString(&con->command, CUPS_PYTHON); | |
857 | ||
858 | if (options) | |
859 | SetStringf(&con->options, "python %s %s", filename, options); | |
860 | else | |
861 | SetStringf(&con->options, "python %s", filename); | |
862 | ||
863 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
864 | con->command, con->options); | |
865 | ||
866 | return (1); | |
867 | } | |
868 | #endif /* HAVE_PYTHON */ | |
869 | ||
870 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
871 | ||
872 | return (0); | |
873 | } | |
874 | ||
875 | ||
a74b005d | 876 | /* |
877 | * 'ReadClient()' - Read data from a client. | |
878 | */ | |
879 | ||
08c0ff15 | 880 | int /* O - 1 on success, 0 on error */ |
881 | ReadClient(client_t *con) /* I - Client to read from */ | |
a74b005d | 882 | { |
08c0ff15 | 883 | char line[32768], /* Line from client... */ |
884 | operation[64], /* Operation code from socket */ | |
885 | version[64], /* HTTP version number string */ | |
886 | locale[64], /* Locale */ | |
887 | *ptr; /* Pointer into strings */ | |
888 | int major, minor; /* HTTP version numbers */ | |
889 | http_status_t status; /* Transfer status */ | |
890 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
891 | int bytes; /* Number of bytes to POST */ | |
892 | char *filename; /* Name of file for GET/HEAD */ | |
893 | char buf[1024]; /* Buffer for real filename */ | |
894 | struct stat filestats; /* File information */ | |
895 | mime_type_t *type; /* MIME type of file */ | |
896 | printer_t *p; /* Printer */ | |
897 | location_t *best; /* Best match for authentication */ | |
898 | static unsigned request_id = 0; /* Request ID for temp files */ | |
a74b005d | 899 | |
bfa1abf0 | 900 | |
a74b005d | 901 | status = HTTP_CONTINUE; |
902 | ||
11009aea | 903 | LogMessage(L_DEBUG2, "ReadClient: %d, used=%d, file=%d", con->http.fd, |
819347a7 | 904 | con->http.used, con->file); |
55809c6f | 905 | |
901b295d | 906 | if (con->http.error) |
907 | { | |
819347a7 | 908 | LogMessage(L_DEBUG2, "ReadClient: http error seen..."); |
909 | return (CloseClient(con)); | |
901b295d | 910 | } |
911 | ||
a74b005d | 912 | switch (con->http.state) |
913 | { | |
914 | case HTTP_WAITING : | |
915 | /* | |
916 | * See if we've received a request line... | |
917 | */ | |
918 | ||
919 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
93894a43 | 920 | { |
819347a7 | 921 | LogMessage(L_DEBUG2, "ReadClient: httpGets returned EOF..."); |
922 | return (CloseClient(con)); | |
93894a43 | 923 | } |
a74b005d | 924 | |
925 | /* | |
926 | * Ignore blank request lines... | |
927 | */ | |
928 | ||
929 | if (line[0] == '\0') | |
930 | break; | |
931 | ||
932 | /* | |
933 | * Clear other state variables... | |
934 | */ | |
935 | ||
936 | httpClearFields(HTTP(con)); | |
937 | ||
938 | con->http.activity = time(NULL); | |
939 | con->http.version = HTTP_1_0; | |
940 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
941 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
942 | con->http.data_remaining = 0; | |
6a0c519d | 943 | con->operation = HTTP_WAITING; |
944 | con->bytes = 0; | |
6a2cceab | 945 | con->file = -1; |
946 | con->file_ready = 0; | |
a74b005d | 947 | con->pipe_pid = 0; |
948 | con->username[0] = '\0'; | |
949 | con->password[0] = '\0'; | |
950 | con->uri[0] = '\0'; | |
951 | ||
fc757c63 | 952 | ClearString(&con->command); |
953 | ClearString(&con->options); | |
954 | ||
a74b005d | 955 | if (con->language != NULL) |
956 | { | |
957 | cupsLangFree(con->language); | |
958 | con->language = NULL; | |
959 | } | |
960 | ||
961 | /* | |
962 | * Grab the request line... | |
963 | */ | |
964 | ||
970017a4 | 965 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) |
a74b005d | 966 | { |
967 | case 1 : | |
11009aea | 968 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
969 | con->http.hostname); | |
a74b005d | 970 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 971 | return (CloseClient(con)); |
a74b005d | 972 | case 2 : |
973 | con->http.version = HTTP_0_9; | |
974 | break; | |
975 | case 3 : | |
976 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
977 | { | |
11009aea | 978 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
979 | con->http.hostname); | |
a74b005d | 980 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 981 | return (CloseClient(con)); |
a74b005d | 982 | } |
983 | ||
984 | if (major < 2) | |
985 | { | |
986 | con->http.version = (http_version_t)(major * 100 + minor); | |
753453e4 | 987 | if (con->http.version == HTTP_1_1 && KeepAlive) |
a74b005d | 988 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
989 | else | |
990 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
991 | } | |
992 | else | |
993 | { | |
994 | SendError(con, HTTP_NOT_SUPPORTED); | |
819347a7 | 995 | return (CloseClient(con)); |
a74b005d | 996 | } |
997 | break; | |
998 | } | |
999 | ||
f726e5b9 | 1000 | /* |
1001 | * Handle full URLs in the request line... | |
1002 | */ | |
1003 | ||
38e6ed71 | 1004 | if (con->uri[0] != '/' && strcmp(con->uri, "*")) |
f726e5b9 | 1005 | { |
1006 | char method[HTTP_MAX_URI], /* Method/scheme */ | |
1007 | userpass[HTTP_MAX_URI], /* Username:password */ | |
1008 | hostname[HTTP_MAX_URI], /* Hostname */ | |
1009 | resource[HTTP_MAX_URI]; /* Resource path */ | |
1010 | int port; /* Port number */ | |
1011 | ||
1012 | ||
1013 | /* | |
1014 | * Separate the URI into its components... | |
1015 | */ | |
1016 | ||
1017 | httpSeparate(con->uri, method, userpass, hostname, &port, resource); | |
1018 | ||
1019 | /* | |
1020 | * Only allow URIs with the servername, localhost, or an IP | |
1021 | * address... | |
1022 | */ | |
1023 | ||
1024 | if (strcasecmp(hostname, ServerName) && | |
1025 | strcasecmp(hostname, "localhost") && | |
1026 | !isdigit(hostname[0])) | |
1027 | { | |
1028 | /* | |
1029 | * Nope, we don't do proxies... | |
1030 | */ | |
1031 | ||
1032 | LogMessage(L_ERROR, "Bad URI \"%s\" in request!", con->uri); | |
1033 | SendError(con, HTTP_METHOD_NOT_ALLOWED); | |
819347a7 | 1034 | return (CloseClient(con)); |
f726e5b9 | 1035 | } |
1036 | ||
1037 | /* | |
1038 | * Copy the resource portion back into the URI; both resource and | |
1039 | * con->uri are HTTP_MAX_URI bytes in size... | |
1040 | */ | |
1041 | ||
1042 | strcpy(con->uri, resource); | |
1043 | } | |
1044 | ||
a74b005d | 1045 | /* |
1046 | * Process the request... | |
1047 | */ | |
1048 | ||
1049 | if (strcmp(operation, "GET") == 0) | |
1050 | con->http.state = HTTP_GET; | |
1051 | else if (strcmp(operation, "PUT") == 0) | |
1052 | con->http.state = HTTP_PUT; | |
1053 | else if (strcmp(operation, "POST") == 0) | |
1054 | con->http.state = HTTP_POST; | |
1055 | else if (strcmp(operation, "DELETE") == 0) | |
1056 | con->http.state = HTTP_DELETE; | |
1057 | else if (strcmp(operation, "TRACE") == 0) | |
1058 | con->http.state = HTTP_TRACE; | |
a74b005d | 1059 | else if (strcmp(operation, "OPTIONS") == 0) |
1060 | con->http.state = HTTP_OPTIONS; | |
1061 | else if (strcmp(operation, "HEAD") == 0) | |
1062 | con->http.state = HTTP_HEAD; | |
1063 | else | |
1064 | { | |
434ddc80 | 1065 | LogMessage(L_ERROR, "Bad operation \"%s\"!", operation); |
a74b005d | 1066 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 1067 | return (CloseClient(con)); |
a74b005d | 1068 | } |
1069 | ||
6a0c519d | 1070 | con->start = time(NULL); |
1071 | con->operation = con->http.state; | |
1072 | ||
11009aea | 1073 | LogMessage(L_DEBUG, "ReadClient: %d %s %s HTTP/%d.%d", con->http.fd, |
4a64fdb7 | 1074 | operation, con->uri, |
1075 | con->http.version / 100, con->http.version % 100); | |
a74b005d | 1076 | |
1077 | con->http.status = HTTP_OK; | |
a74b005d | 1078 | |
8f85ff77 | 1079 | case HTTP_OPTIONS : |
a74b005d | 1080 | case HTTP_DELETE : |
1081 | case HTTP_GET : | |
1082 | case HTTP_HEAD : | |
1083 | case HTTP_POST : | |
1084 | case HTTP_PUT : | |
1085 | case HTTP_TRACE : | |
1086 | /* | |
1087 | * Parse incoming parameters until the status changes... | |
1088 | */ | |
1089 | ||
1090 | status = httpUpdate(HTTP(con)); | |
1091 | ||
1092 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
1093 | { | |
1094 | SendError(con, HTTP_BAD_REQUEST); | |
819347a7 | 1095 | return (CloseClient(con)); |
a74b005d | 1096 | } |
1097 | break; | |
d21a7597 | 1098 | |
1099 | default : | |
1100 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 1101 | } |
1102 | ||
1103 | /* | |
1104 | * Handle new transfers... | |
1105 | */ | |
1106 | ||
1107 | if (status == HTTP_OK) | |
1108 | { | |
5a617005 | 1109 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) |
08c0ff15 | 1110 | { |
1111 | /* | |
1112 | * Figure out the locale from the Accept-Language and Content-Type | |
1113 | * fields... | |
1114 | */ | |
1115 | ||
1116 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL) | |
1117 | *ptr = '\0'; | |
1118 | ||
1119 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL) | |
1120 | *ptr = '\0'; | |
1121 | ||
1122 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL) | |
1123 | { | |
1124 | /* | |
1125 | * Combine language and charset, and trim any extra params in the | |
1126 | * content-type. | |
1127 | */ | |
1128 | ||
1129 | snprintf(locale, sizeof(locale), "%s.%s", | |
1130 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8); | |
1131 | ||
1132 | if ((ptr = strchr(locale, ',')) != NULL) | |
1133 | *ptr = '\0'; | |
1134 | } | |
1135 | else | |
1136 | snprintf(locale, sizeof(locale), "%s.%s", | |
1137 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset); | |
1138 | ||
1139 | con->language = cupsLangGet(locale); | |
1140 | } | |
5a617005 | 1141 | else |
08c0ff15 | 1142 | con->language = cupsLangGet(DefaultLocale); |
a74b005d | 1143 | |
d2122fde | 1144 | decode_auth(con); |
a74b005d | 1145 | |
753453e4 | 1146 | if (strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) == 0 && |
1147 | KeepAlive) | |
b1ac1113 | 1148 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
1149 | ||
a74b005d | 1150 | if (con->http.fields[HTTP_FIELD_HOST][0] == '\0' && |
d558743f | 1151 | con->http.version >= HTTP_1_1) |
a74b005d | 1152 | { |
d558743f | 1153 | /* |
1154 | * HTTP/1.1 and higher require the "Host:" field... | |
1155 | */ | |
1156 | ||
a74b005d | 1157 | if (!SendError(con, HTTP_BAD_REQUEST)) |
819347a7 | 1158 | return (CloseClient(con)); |
a74b005d | 1159 | } |
8f85ff77 | 1160 | else if (con->operation == HTTP_OPTIONS) |
1161 | { | |
1162 | /* | |
1163 | * Do OPTIONS command... | |
1164 | */ | |
1165 | ||
753453e4 | 1166 | if ((best = FindBest(con->uri, con->http.state)) != NULL && |
8f85ff77 | 1167 | best->type != AUTH_NONE) |
1168 | { | |
1169 | if (!SendHeader(con, HTTP_UNAUTHORIZED, NULL)) | |
819347a7 | 1170 | return (CloseClient(con)); |
8f85ff77 | 1171 | } |
a75c006a | 1172 | |
b5cb0608 | 1173 | if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 && |
a75c006a | 1174 | con->http.tls == NULL) |
8f85ff77 | 1175 | { |
bcf61448 | 1176 | #ifdef HAVE_SSL |
a75c006a | 1177 | /* |
1178 | * Do encryption stuff... | |
1179 | */ | |
1180 | ||
b38fb7fc | 1181 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1182 | return (CloseClient(con)); |
a75c006a | 1183 | |
1184 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
b5cb0608 | 1185 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1186 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
a75c006a | 1187 | httpPrintf(HTTP(con), "\r\n"); |
1188 | ||
1189 | EncryptClient(con); | |
1190 | #else | |
1191 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1192 | return (CloseClient(con)); |
bcf61448 | 1193 | #endif /* HAVE_SSL */ |
a75c006a | 1194 | } |
1195 | ||
65c098da | 1196 | if (con->http.expect) |
1197 | { | |
1198 | /**** TODO: send expected header ****/ | |
1199 | } | |
1200 | ||
a75c006a | 1201 | if (!SendHeader(con, HTTP_OK, NULL)) |
819347a7 | 1202 | return (CloseClient(con)); |
8f85ff77 | 1203 | |
753453e4 | 1204 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); |
1c6682dd | 1205 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
8f85ff77 | 1206 | httpPrintf(HTTP(con), "\r\n"); |
1207 | } | |
3780dd72 | 1208 | else if (!is_path_absolute(con->uri)) |
a74b005d | 1209 | { |
1210 | /* | |
1211 | * Protect against malicious users! | |
1212 | */ | |
1213 | ||
1214 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1215 | return (CloseClient(con)); |
a74b005d | 1216 | } |
b38fb7fc | 1217 | else |
a74b005d | 1218 | { |
b5cb0608 | 1219 | if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 && |
1220 | con->http.tls == NULL) | |
b38fb7fc | 1221 | { |
bcf61448 | 1222 | #ifdef HAVE_SSL |
b38fb7fc | 1223 | /* |
1224 | * Do encryption stuff... | |
1225 | */ | |
f3d580b9 | 1226 | |
b38fb7fc | 1227 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1228 | return (CloseClient(con)); |
f969a074 | 1229 | |
b38fb7fc | 1230 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); |
b5cb0608 | 1231 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1232 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
b38fb7fc | 1233 | httpPrintf(HTTP(con), "\r\n"); |
1234 | ||
1235 | EncryptClient(con); | |
77425121 | 1236 | |
1237 | status = IsAuthorized(con); | |
b38fb7fc | 1238 | #else |
1239 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1240 | return (CloseClient(con)); |
bcf61448 | 1241 | #endif /* HAVE_SSL */ |
b38fb7fc | 1242 | } |
b5cb0608 | 1243 | |
77425121 | 1244 | if (status != HTTP_OK) |
b38fb7fc | 1245 | { |
2d5e06dd | 1246 | LogMessage(L_DEBUG2, "ReadClient: Unauthorized request for %s...\n", |
1247 | con->uri); | |
b38fb7fc | 1248 | SendError(con, status); |
819347a7 | 1249 | return (CloseClient(con)); |
b38fb7fc | 1250 | } |
1251 | ||
65c098da | 1252 | if (con->http.expect) |
1253 | { | |
1254 | /**** TODO: send expected header ****/ | |
1255 | } | |
1256 | ||
b38fb7fc | 1257 | switch (con->http.state) |
1258 | { | |
1259 | case HTTP_GET_SEND : | |
1260 | if (strncmp(con->uri, "/printers/", 10) == 0 && | |
1261 | strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0) | |
2a8fc30c | 1262 | { |
b38fb7fc | 1263 | /* |
1264 | * Send PPD file - get the real printer name since printer | |
1265 | * names are not case sensitive but filenames can be... | |
1266 | */ | |
2a8fc30c | 1267 | |
b38fb7fc | 1268 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
f3d580b9 | 1269 | |
b38fb7fc | 1270 | if ((p = FindPrinter(con->uri + 10)) != NULL) |
1271 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1272 | else | |
1273 | { | |
1274 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1275 | return (CloseClient(con)); |
a74b005d | 1276 | |
b38fb7fc | 1277 | break; |
1278 | } | |
b14d90ba | 1279 | } |
b38fb7fc | 1280 | |
753453e4 | 1281 | if ((strncmp(con->uri, "/admin", 6) == 0 && |
1282 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1283 | strncmp(con->uri, "/printers", 9) == 0 || |
1284 | strncmp(con->uri, "/classes", 8) == 0 || | |
1285 | strncmp(con->uri, "/jobs", 5) == 0) | |
b14d90ba | 1286 | { |
b38fb7fc | 1287 | /* |
1288 | * Send CGI output... | |
1289 | */ | |
1290 | ||
1291 | if (strncmp(con->uri, "/admin", 6) == 0) | |
1292 | { | |
fc757c63 | 1293 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
ff346847 | 1294 | |
1295 | if ((ptr = strchr(con->uri + 6, '?')) != NULL) | |
1296 | SetStringf(&con->options, "admin%s", ptr); | |
1297 | else | |
1298 | SetString(&con->options, "admin"); | |
b38fb7fc | 1299 | } |
1300 | else if (strncmp(con->uri, "/printers", 9) == 0) | |
1301 | { | |
fc757c63 | 1302 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1303 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1304 | } |
1305 | else if (strncmp(con->uri, "/classes", 8) == 0) | |
1306 | { | |
fc757c63 | 1307 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1308 | SetString(&con->options, con->uri + 8); | |
b38fb7fc | 1309 | } |
1310 | else | |
1311 | { | |
fc757c63 | 1312 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
e060a567 | 1313 | SetString(&con->options, con->uri + 5); |
ff346847 | 1314 | } |
b38fb7fc | 1315 | |
e060a567 | 1316 | if (con->options[0] == '/') |
1317 | cups_strcpy(con->options, con->options + 1); | |
1318 | ||
b38fb7fc | 1319 | if (!SendCommand(con, con->command, con->options)) |
1320 | { | |
1321 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1322 | return (CloseClient(con)); |
b38fb7fc | 1323 | } |
1324 | else | |
1325 | LogRequest(con, HTTP_OK); | |
1326 | ||
1327 | if (con->http.version <= HTTP_1_0) | |
1328 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
b14d90ba | 1329 | } |
753453e4 | 1330 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0 && |
1331 | (strchr(con->uri + 12, '/') != NULL || | |
1332 | strlen(con->uri) == 12)) | |
1333 | { | |
1334 | /* | |
1335 | * GET can only be done to configuration files under | |
1336 | * /admin/conf... | |
1337 | */ | |
1338 | ||
1339 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1340 | return (CloseClient(con)); |
753453e4 | 1341 | |
1342 | break; | |
1343 | } | |
b14d90ba | 1344 | else |
1345 | { | |
b38fb7fc | 1346 | /* |
1347 | * Serve a file... | |
1348 | */ | |
1349 | ||
6db7190f | 1350 | if ((filename = get_file(con, &filestats, buf, |
1351 | sizeof(buf))) == NULL) | |
b38fb7fc | 1352 | { |
1353 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1354 | return (CloseClient(con)); |
e6221033 | 1355 | |
1356 | break; | |
1357 | } | |
1358 | ||
d59a189c | 1359 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1360 | |
1361 | if (IsCGI(con, filename, &filestats, type)) | |
1362 | { | |
f6b55e0c | 1363 | /* |
1364 | * Note: con->command and con->options were set by | |
1365 | * IsCGI()... | |
1366 | */ | |
1367 | ||
e6221033 | 1368 | if (!SendCommand(con, con->command, con->options)) |
1369 | { | |
1370 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1371 | return (CloseClient(con)); |
e6221033 | 1372 | } |
1373 | else | |
1374 | LogRequest(con, HTTP_OK); | |
1375 | ||
1376 | if (con->http.version <= HTTP_1_0) | |
1377 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1378 | break; | |
b38fb7fc | 1379 | } |
e6221033 | 1380 | |
1381 | if (!check_if_modified(con, &filestats)) | |
b38fb7fc | 1382 | { |
1383 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1384 | return (CloseClient(con)); |
b38fb7fc | 1385 | } |
1386 | else | |
1387 | { | |
b38fb7fc | 1388 | if (type == NULL) |
1389 | strcpy(line, "text/plain"); | |
1390 | else | |
1391 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1392 | ||
1393 | if (!SendFile(con, HTTP_OK, filename, line, &filestats)) | |
819347a7 | 1394 | return (CloseClient(con)); |
b38fb7fc | 1395 | } |
b14d90ba | 1396 | } |
b38fb7fc | 1397 | break; |
1398 | ||
1399 | case HTTP_POST_RECV : | |
1400 | /* | |
1401 | * See if the POST request includes a Content-Length field, and if | |
1402 | * so check the length against any limits that are set... | |
1403 | */ | |
b14d90ba | 1404 | |
b38fb7fc | 1405 | LogMessage(L_DEBUG2, "POST %s", con->uri); |
1406 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
b14d90ba | 1407 | |
b38fb7fc | 1408 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && |
1409 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1410 | MaxRequestSize > 0) | |
a74b005d | 1411 | { |
b38fb7fc | 1412 | /* |
1413 | * Request too large... | |
1414 | */ | |
1415 | ||
1416 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1417 | return (CloseClient(con)); |
b38fb7fc | 1418 | |
1419 | break; | |
a74b005d | 1420 | } |
901b295d | 1421 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1422 | { | |
1423 | /* | |
1424 | * Negative content lengths are invalid! | |
1425 | */ | |
1426 | ||
1427 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1428 | return (CloseClient(con)); |
901b295d | 1429 | |
1430 | break; | |
1431 | } | |
a74b005d | 1432 | |
b38fb7fc | 1433 | /* |
1434 | * See what kind of POST request this is; for IPP requests the | |
1435 | * content-type field will be "application/ipp"... | |
a74b005d | 1436 | */ |
1437 | ||
b38fb7fc | 1438 | if (strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "application/ipp") == 0) |
1439 | con->request = ippNew(); | |
753453e4 | 1440 | else if ((strncmp(con->uri, "/admin", 6) == 0 && |
1441 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1442 | strncmp(con->uri, "/printers", 9) == 0 || |
1443 | strncmp(con->uri, "/classes", 8) == 0 || | |
1444 | strncmp(con->uri, "/jobs", 5) == 0) | |
a74b005d | 1445 | { |
b38fb7fc | 1446 | /* |
1447 | * CGI request... | |
1448 | */ | |
1449 | ||
1450 | if (strncmp(con->uri, "/admin", 6) == 0) | |
a74b005d | 1451 | { |
fc757c63 | 1452 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
e060a567 | 1453 | |
1454 | if ((ptr = strchr(con->uri + 6, '?')) != NULL) | |
1455 | SetStringf(&con->options, "admin%s", ptr); | |
1456 | else | |
1457 | SetString(&con->options, "admin"); | |
a74b005d | 1458 | } |
b38fb7fc | 1459 | else if (strncmp(con->uri, "/printers", 9) == 0) |
a74b005d | 1460 | { |
fc757c63 | 1461 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1462 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1463 | } |
1464 | else if (strncmp(con->uri, "/classes", 8) == 0) | |
1465 | { | |
fc757c63 | 1466 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1467 | SetString(&con->options, con->uri + 8); | |
a74b005d | 1468 | } |
e31bfb6e | 1469 | else |
a74b005d | 1470 | { |
fc757c63 | 1471 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
1472 | SetString(&con->options, con->uri + 5); | |
a74b005d | 1473 | } |
8b43895a | 1474 | |
b38fb7fc | 1475 | if (con->options[0] == '/') |
ff40b65e | 1476 | cups_strcpy(con->options, con->options + 1); |
f63a2256 | 1477 | |
11009aea | 1478 | LogMessage(L_DEBUG2, "ReadClient: %d command=\"%s\", options = \"%s\"", |
b38fb7fc | 1479 | con->http.fd, con->command, con->options); |
8b43895a | 1480 | |
b38fb7fc | 1481 | if (con->http.version <= HTTP_1_0) |
1482 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1483 | } | |
e6221033 | 1484 | else |
8b43895a | 1485 | { |
e6221033 | 1486 | /* |
1487 | * POST to a file... | |
1488 | */ | |
1489 | ||
1490 | if ((filename = get_file(con, &filestats, buf, | |
1491 | sizeof(buf))) == NULL) | |
1492 | { | |
1493 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1494 | return (CloseClient(con)); |
e6221033 | 1495 | |
1496 | break; | |
1497 | } | |
1498 | ||
d59a189c | 1499 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1500 | |
1501 | if (!IsCGI(con, filename, &filestats, type)) | |
1502 | { | |
1503 | /* | |
1504 | * Only POST to CGI's... | |
1505 | */ | |
1506 | ||
1507 | if (!SendError(con, HTTP_UNAUTHORIZED)) | |
819347a7 | 1508 | return (CloseClient(con)); |
e6221033 | 1509 | } |
8b43895a | 1510 | } |
8b43895a | 1511 | break; |
b14d90ba | 1512 | |
b38fb7fc | 1513 | case HTTP_PUT_RECV : |
753453e4 | 1514 | /* |
1515 | * Validate the resource name... | |
1516 | */ | |
1517 | ||
1518 | if (strncmp(con->uri, "/admin/conf/", 12) != 0 || | |
1519 | strchr(con->uri + 12, '/') != NULL || | |
1520 | strlen(con->uri) == 12) | |
1521 | { | |
1522 | /* | |
1523 | * PUT can only be done to configuration files under | |
1524 | * /admin/conf... | |
1525 | */ | |
1526 | ||
1527 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1528 | return (CloseClient(con)); |
753453e4 | 1529 | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | /* | |
1534 | * See if the PUT request includes a Content-Length field, and if | |
1535 | * so check the length against any limits that are set... | |
1536 | */ | |
1537 | ||
1538 | LogMessage(L_DEBUG2, "PUT %s", con->uri); | |
1539 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1540 | ||
1541 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1542 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1543 | MaxRequestSize > 0) | |
1544 | { | |
1545 | /* | |
1546 | * Request too large... | |
1547 | */ | |
1548 | ||
1549 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1550 | return (CloseClient(con)); |
753453e4 | 1551 | |
1552 | break; | |
1553 | } | |
0cd4970e | 1554 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1555 | { | |
1556 | /* | |
1557 | * Negative content lengths are invalid! | |
1558 | */ | |
1559 | ||
1560 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1561 | return (CloseClient(con)); |
0cd4970e | 1562 | |
1563 | break; | |
1564 | } | |
753453e4 | 1565 | |
1566 | /* | |
1567 | * Open a temporary file to hold the request... | |
1568 | */ | |
1569 | ||
fc757c63 | 1570 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
753453e4 | 1571 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
753453e4 | 1572 | |
e6df8a90 | 1573 | #ifdef FD_CLOEXEC |
1574 | /* | |
1575 | * Close this file when starting other processes... | |
1576 | */ | |
1577 | ||
1578 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
1579 | #endif /* FD_CLOEXEC */ | |
1580 | ||
11009aea | 1581 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
753453e4 | 1582 | con->filename, con->file); |
1583 | ||
1584 | if (con->file < 0) | |
1585 | { | |
1586 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1587 | return (CloseClient(con)); |
753453e4 | 1588 | } |
db3c5bfd | 1589 | |
1590 | fchmod(con->file, 0640); | |
1591 | fchown(con->file, RunUser, Group); | |
1592 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
753453e4 | 1593 | break; |
1594 | ||
b38fb7fc | 1595 | case HTTP_DELETE : |
1596 | case HTTP_TRACE : | |
1597 | SendError(con, HTTP_NOT_IMPLEMENTED); | |
819347a7 | 1598 | return (CloseClient(con)); |
b14d90ba | 1599 | |
b38fb7fc | 1600 | case HTTP_HEAD : |
d588a92e | 1601 | if (strncmp(con->uri, "/printers/", 10) == 0 && |
b38fb7fc | 1602 | strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0) |
bd84e0d1 | 1603 | { |
b38fb7fc | 1604 | /* |
d588a92e | 1605 | * Send PPD file - get the real printer name since printer |
1606 | * names are not case sensitive but filenames can be... | |
b38fb7fc | 1607 | */ |
a74b005d | 1608 | |
d588a92e | 1609 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
1610 | ||
1611 | if ((p = FindPrinter(con->uri + 10)) != NULL) | |
1612 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1613 | else | |
1614 | { | |
1615 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1616 | return (CloseClient(con)); |
d588a92e | 1617 | |
1618 | break; | |
1619 | } | |
b38fb7fc | 1620 | } |
a74b005d | 1621 | |
753453e4 | 1622 | if ((strncmp(con->uri, "/admin/", 7) == 0 && |
1623 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1624 | strncmp(con->uri, "/printers/", 10) == 0 || |
1625 | strncmp(con->uri, "/classes/", 9) == 0 || | |
1626 | strncmp(con->uri, "/jobs/", 6) == 0) | |
1627 | { | |
1628 | /* | |
1629 | * CGI output... | |
1630 | */ | |
f3d580b9 | 1631 | |
b38fb7fc | 1632 | if (!SendHeader(con, HTTP_OK, "text/html")) |
819347a7 | 1633 | return (CloseClient(con)); |
f3d580b9 | 1634 | |
b38fb7fc | 1635 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1636 | return (CloseClient(con)); |
a74b005d | 1637 | |
b38fb7fc | 1638 | LogRequest(con, HTTP_OK); |
a74b005d | 1639 | } |
753453e4 | 1640 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0 && |
1641 | (strchr(con->uri + 12, '/') != NULL || | |
1642 | strlen(con->uri) == 12)) | |
1643 | { | |
1644 | /* | |
1645 | * HEAD can only be done to configuration files under | |
1646 | * /admin/conf... | |
1647 | */ | |
1648 | ||
1649 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1650 | return (CloseClient(con)); |
753453e4 | 1651 | |
1652 | break; | |
1653 | } | |
6db7190f | 1654 | else if ((filename = get_file(con, &filestats, buf, |
1655 | sizeof(buf))) == NULL) | |
a74b005d | 1656 | { |
b38fb7fc | 1657 | if (!SendHeader(con, HTTP_NOT_FOUND, "text/html")) |
819347a7 | 1658 | return (CloseClient(con)); |
6a0c519d | 1659 | |
b38fb7fc | 1660 | LogRequest(con, HTTP_NOT_FOUND); |
a74b005d | 1661 | } |
b38fb7fc | 1662 | else if (!check_if_modified(con, &filestats)) |
1663 | { | |
1664 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1665 | return (CloseClient(con)); |
6a0c519d | 1666 | |
b38fb7fc | 1667 | LogRequest(con, HTTP_NOT_MODIFIED); |
a74b005d | 1668 | } |
b38fb7fc | 1669 | else |
1670 | { | |
1671 | /* | |
1672 | * Serve a file... | |
1673 | */ | |
6a0c519d | 1674 | |
d59a189c | 1675 | type = mimeFileType(MimeDatabase, filename, NULL); |
b38fb7fc | 1676 | if (type == NULL) |
1677 | strcpy(line, "text/plain"); | |
1678 | else | |
1679 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
a74b005d | 1680 | |
b38fb7fc | 1681 | if (!SendHeader(con, HTTP_OK, line)) |
819347a7 | 1682 | return (CloseClient(con)); |
a74b005d | 1683 | |
b38fb7fc | 1684 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", |
1685 | httpGetDateString(filestats.st_mtime)) < 0) | |
819347a7 | 1686 | return (CloseClient(con)); |
a74b005d | 1687 | |
753453e4 | 1688 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
1689 | (unsigned long)filestats.st_size) < 0) | |
819347a7 | 1690 | return (CloseClient(con)); |
b38fb7fc | 1691 | |
1692 | LogRequest(con, HTTP_OK); | |
a74b005d | 1693 | } |
1694 | ||
b38fb7fc | 1695 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1696 | return (CloseClient(con)); |
6a0c519d | 1697 | |
b38fb7fc | 1698 | con->http.state = HTTP_WAITING; |
1699 | break; | |
a74b005d | 1700 | |
b38fb7fc | 1701 | default : |
1702 | break; /* Anti-compiler-warning-code */ | |
1703 | } | |
a74b005d | 1704 | } |
1705 | } | |
1706 | ||
1707 | /* | |
1708 | * Handle any incoming data... | |
1709 | */ | |
1710 | ||
1711 | switch (con->http.state) | |
1712 | { | |
1713 | case HTTP_PUT_RECV : | |
11009aea | 1714 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
753453e4 | 1715 | con->http.fd, |
1716 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", | |
1717 | con->http.data_remaining, con->file); | |
1718 | ||
1719 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) | |
819347a7 | 1720 | return (CloseClient(con)); |
753453e4 | 1721 | else if (bytes > 0) |
1722 | { | |
1723 | con->bytes += bytes; | |
1724 | ||
11009aea | 1725 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
753453e4 | 1726 | con->http.fd, bytes, con->file); |
1727 | ||
1728 | if (write(con->file, line, bytes) < bytes) | |
1729 | { | |
1730 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", | |
1731 | bytes, con->filename, strerror(errno)); | |
1732 | ||
6cd03542 | 1733 | LogMessage(L_DEBUG2, "ReadClient: Closing data file %d...", |
1734 | con->file); | |
1735 | ||
753453e4 | 1736 | close(con->file); |
6a2cceab | 1737 | con->file = -1; |
753453e4 | 1738 | unlink(con->filename); |
fc757c63 | 1739 | ClearString(&con->filename); |
753453e4 | 1740 | |
1741 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1742 | return (CloseClient(con)); |
753453e4 | 1743 | } |
1744 | } | |
1745 | ||
1746 | if (con->http.state == HTTP_WAITING) | |
1747 | { | |
1748 | /* | |
1749 | * End of file, see how big it is... | |
1750 | */ | |
1751 | ||
1752 | fstat(con->file, &filestats); | |
1753 | ||
11009aea | 1754 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1755 | con->http.fd, con->file, (int)filestats.st_size); |
753453e4 | 1756 | |
1757 | close(con->file); | |
6a2cceab | 1758 | con->file = -1; |
753453e4 | 1759 | |
1760 | if (filestats.st_size > MaxRequestSize && | |
1761 | MaxRequestSize > 0) | |
1762 | { | |
1763 | /* | |
1764 | * Request is too big; remove it and send an error... | |
1765 | */ | |
1766 | ||
11009aea | 1767 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
753453e4 | 1768 | con->http.fd, con->filename); |
1769 | unlink(con->filename); | |
fc757c63 | 1770 | ClearString(&con->filename); |
753453e4 | 1771 | |
1772 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1773 | return (CloseClient(con)); |
753453e4 | 1774 | } |
1775 | ||
1776 | /* | |
1777 | * Install the configuration file... | |
1778 | */ | |
1779 | ||
1780 | status = install_conf_file(con); | |
1781 | ||
1782 | /* | |
1783 | * Return the status to the client... | |
1784 | */ | |
1785 | ||
1786 | if (!SendError(con, status)) | |
819347a7 | 1787 | return (CloseClient(con)); |
753453e4 | 1788 | } |
a74b005d | 1789 | break; |
1790 | ||
1791 | case HTTP_POST_RECV : | |
11009aea | 1792 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
93894a43 | 1793 | con->http.fd, |
a74b005d | 1794 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", |
f63a2256 | 1795 | con->http.data_remaining, con->file); |
a74b005d | 1796 | |
b14d90ba | 1797 | if (con->request != NULL) |
1798 | { | |
1799 | /* | |
1800 | * Grab any request data from the connection... | |
1801 | */ | |
1802 | ||
bd176c9c | 1803 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
1804 | { | |
11009aea | 1805 | LogMessage(L_ERROR, "ReadClient: %d IPP Read Error!", |
bd176c9c | 1806 | con->http.fd); |
3955a26e | 1807 | |
819347a7 | 1808 | SendError(con, HTTP_BAD_REQUEST); |
1809 | return (CloseClient(con)); | |
bd176c9c | 1810 | } |
1811 | else if (ipp_state != IPP_DATA) | |
b14d90ba | 1812 | break; |
68ff4f01 | 1813 | else |
1814 | con->bytes += ippLength(con->request); | |
f63a2256 | 1815 | } |
b14d90ba | 1816 | |
6a2cceab | 1817 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
f63a2256 | 1818 | { |
1819 | /* | |
1820 | * Create a file as needed for the request data... | |
1821 | */ | |
1d2c70a6 | 1822 | |
fc757c63 | 1823 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
f63a2256 | 1824 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
b14d90ba | 1825 | |
e6df8a90 | 1826 | #ifdef FD_CLOEXEC |
1827 | /* | |
1828 | * Close this file when starting other processes... | |
1829 | */ | |
1830 | ||
1831 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
1832 | #endif /* FD_CLOEXEC */ | |
1833 | ||
11009aea | 1834 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
a61a2be6 | 1835 | con->filename, con->file); |
b14d90ba | 1836 | |
f63a2256 | 1837 | if (con->file < 0) |
1838 | { | |
1839 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1840 | return (CloseClient(con)); |
b14d90ba | 1841 | } |
db3c5bfd | 1842 | |
1843 | fchmod(con->file, 0640); | |
1844 | fchown(con->file, RunUser, Group); | |
1845 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
f63a2256 | 1846 | } |
b14d90ba | 1847 | |
bfa1abf0 | 1848 | if (con->http.state != HTTP_POST_SEND) |
a74b005d | 1849 | { |
bfa1abf0 | 1850 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) |
819347a7 | 1851 | return (CloseClient(con)); |
bfa1abf0 | 1852 | else if (bytes > 0) |
1853 | { | |
1854 | con->bytes += bytes; | |
a74b005d | 1855 | |
11009aea | 1856 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
a61a2be6 | 1857 | con->http.fd, bytes, con->file); |
bfa1abf0 | 1858 | |
1859 | if (write(con->file, line, bytes) < bytes) | |
a74b005d | 1860 | { |
a61a2be6 | 1861 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", |
1862 | bytes, con->filename, strerror(errno)); | |
1863 | ||
6cd03542 | 1864 | LogMessage(L_DEBUG2, "ReadClient: Closing file %d...", |
1865 | con->file); | |
1866 | ||
bfa1abf0 | 1867 | close(con->file); |
6a2cceab | 1868 | con->file = -1; |
bfa1abf0 | 1869 | unlink(con->filename); |
fc757c63 | 1870 | ClearString(&con->filename); |
bfa1abf0 | 1871 | |
1872 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1873 | return (CloseClient(con)); |
a74b005d | 1874 | } |
1875 | } | |
6faac3f3 | 1876 | else if (con->http.state == HTTP_POST_RECV) |
819347a7 | 1877 | return (1); /* ??? */ |
bd176c9c | 1878 | else if (con->http.state != HTTP_POST_SEND) |
819347a7 | 1879 | return (CloseClient(con)); |
a74b005d | 1880 | } |
93894a43 | 1881 | |
1882 | if (con->http.state == HTTP_POST_SEND) | |
1883 | { | |
6a2cceab | 1884 | if (con->file >= 0) |
bfa1abf0 | 1885 | { |
8b43895a | 1886 | fstat(con->file, &filestats); |
bd917997 | 1887 | |
11009aea | 1888 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1889 | con->http.fd, con->file, (int)filestats.st_size); |
bd917997 | 1890 | |
bfa1abf0 | 1891 | close(con->file); |
6a2cceab | 1892 | con->file = -1; |
8b43895a | 1893 | |
1894 | if (filestats.st_size > MaxRequestSize && | |
1895 | MaxRequestSize > 0) | |
1896 | { | |
1897 | /* | |
1898 | * Request is too big; remove it and send an error... | |
1899 | */ | |
1900 | ||
11009aea | 1901 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
a61a2be6 | 1902 | con->http.fd, con->filename); |
8b43895a | 1903 | unlink(con->filename); |
fc757c63 | 1904 | ClearString(&con->filename); |
8b43895a | 1905 | |
1906 | if (con->request) | |
1907 | { | |
1908 | /* | |
1909 | * Delete any IPP request data... | |
1910 | */ | |
1911 | ||
1912 | ippDelete(con->request); | |
1913 | con->request = NULL; | |
1914 | } | |
1915 | ||
1916 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1917 | return (CloseClient(con)); |
8b43895a | 1918 | } |
f63a2256 | 1919 | |
fc757c63 | 1920 | if (con->command) |
f63a2256 | 1921 | { |
1922 | if (!SendCommand(con, con->command, con->options)) | |
1923 | { | |
1924 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1925 | return (CloseClient(con)); |
f63a2256 | 1926 | } |
1927 | else | |
1928 | LogRequest(con, HTTP_OK); | |
1929 | } | |
bfa1abf0 | 1930 | } |
93894a43 | 1931 | |
1932 | if (con->request) | |
6e3d4276 | 1933 | return (ProcessIPPRequest(con)); |
93894a43 | 1934 | } |
a74b005d | 1935 | break; |
d21a7597 | 1936 | |
1937 | default : | |
1938 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 1939 | } |
1940 | ||
1941 | if (!con->http.keep_alive && con->http.state == HTTP_WAITING) | |
819347a7 | 1942 | return (CloseClient(con)); |
a74b005d | 1943 | else |
1944 | return (1); | |
1945 | } | |
1946 | ||
1947 | ||
a74b005d | 1948 | /* |
1949 | * 'SendCommand()' - Send output from a command via HTTP. | |
1950 | */ | |
1951 | ||
1952 | int | |
1953 | SendCommand(client_t *con, | |
a74b005d | 1954 | char *command, |
b14d90ba | 1955 | char *options) |
a74b005d | 1956 | { |
f63a2256 | 1957 | int fd; |
1958 | ||
1959 | ||
fc757c63 | 1960 | if (con->filename) |
f63a2256 | 1961 | fd = open(con->filename, O_RDONLY); |
1962 | else | |
1963 | fd = open("/dev/null", O_RDONLY); | |
1964 | ||
db3c5bfd | 1965 | if (fd < 0) |
1966 | { | |
1967 | LogMessage(L_ERROR, "SendCommand: %d Unable to open \"%s\" for reading: %s", | |
1968 | con->http.fd, con->filename ? con->filename : "/dev/null", | |
1969 | strerror(errno)); | |
1970 | return (0); | |
1971 | } | |
1972 | ||
1973 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); | |
1974 | ||
f63a2256 | 1975 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options); |
1976 | ||
1977 | close(fd); | |
a74b005d | 1978 | |
b5cb0608 | 1979 | LogMessage(L_INFO, "Started \"%s\" (pid=%d)", command, con->pipe_pid); |
1980 | ||
6a2cceab | 1981 | LogMessage(L_DEBUG, "SendCommand: %d file=%d", con->http.fd, con->file); |
a74b005d | 1982 | |
1983 | if (con->pipe_pid == 0) | |
1984 | return (0); | |
1985 | ||
1986 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1987 | ||
27eba2dd | 1988 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to InputSet...", con->file); |
e668e627 | 1989 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to OutputSet...", |
1990 | con->http.fd); | |
1991 | ||
f3bc1068 | 1992 | FD_SET(con->file, InputSet); |
1993 | FD_SET(con->http.fd, OutputSet); | |
a74b005d | 1994 | |
96df88bb | 1995 | if (!SendHeader(con, HTTP_OK, NULL)) |
a74b005d | 1996 | return (0); |
1997 | ||
1998 | if (con->http.version == HTTP_1_1) | |
1999 | { | |
2000 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
2001 | ||
2002 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) | |
2003 | return (0); | |
2004 | } | |
2005 | ||
6a2cceab | 2006 | con->file_ready = 0; |
13486cb7 | 2007 | con->got_fields = 0; |
2008 | con->field_col = 0; | |
2009 | ||
a74b005d | 2010 | return (1); |
2011 | } | |
2012 | ||
2013 | ||
2014 | /* | |
2015 | * 'SendError()' - Send an error message via HTTP. | |
2016 | */ | |
2017 | ||
2018 | int /* O - 1 if successful, 0 otherwise */ | |
2019 | SendError(client_t *con, /* I - Connection */ | |
2020 | http_status_t code) /* I - Error code */ | |
2021 | { | |
83e740a5 | 2022 | char message[1024]; /* Message for user */ |
a74b005d | 2023 | |
2024 | ||
6a0c519d | 2025 | /* |
2026 | * Put the request in the access_log file... | |
2027 | */ | |
2028 | ||
11009aea | 2029 | LogRequest(con, code); |
6a0c519d | 2030 | |
11009aea | 2031 | LogMessage(L_DEBUG, "SendError: %d code=%d (%s)", con->http.fd, code, |
578b747f | 2032 | httpStatus(code)); |
a61a2be6 | 2033 | |
a74b005d | 2034 | /* |
2035 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2036 | * error messages... | |
2037 | */ | |
2038 | ||
2039 | if (code >= HTTP_BAD_REQUEST) | |
2040 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
2041 | ||
2042 | /* | |
2043 | * Send an error message back to the client. If the error code is a | |
2044 | * 400 or 500 series, make sure the message contains some text, too! | |
2045 | */ | |
2046 | ||
2047 | if (!SendHeader(con, code, NULL)) | |
2048 | return (0); | |
2049 | ||
bcf61448 | 2050 | #ifdef HAVE_SSL |
a75c006a | 2051 | if (code == HTTP_UPGRADE_REQUIRED) |
a75c006a | 2052 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) |
2053 | return (0); | |
2054 | ||
b5cb0608 | 2055 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) |
2056 | return (0); | |
bcf61448 | 2057 | #endif /* HAVE_SSL */ |
a75c006a | 2058 | |
55809c6f | 2059 | if ((con->http.version >= HTTP_1_1 && !con->http.keep_alive) || |
2060 | (code >= HTTP_BAD_REQUEST && code != HTTP_UPGRADE_REQUIRED)) | |
a74b005d | 2061 | { |
2062 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2063 | return (0); | |
2064 | } | |
2065 | ||
2066 | if (code >= HTTP_BAD_REQUEST) | |
2067 | { | |
2068 | /* | |
2069 | * Send a human-readable error message. | |
2070 | */ | |
2071 | ||
04de52f8 | 2072 | snprintf(message, sizeof(message), |
970017a4 | 2073 | "<HTML><HEAD><TITLE>%d %s</TITLE></HEAD>" |
2074 | "<BODY><H1>%s</H1>%s</BODY></HTML>\n", | |
2075 | code, httpStatus(code), httpStatus(code), | |
2076 | con->language ? con->language->messages[code] : | |
2077 | httpStatus(code)); | |
a74b005d | 2078 | |
2079 | if (httpPrintf(HTTP(con), "Content-Type: text/html\r\n") < 0) | |
2080 | return (0); | |
e0ba31cd | 2081 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", |
2082 | (int)strlen(message)) < 0) | |
a74b005d | 2083 | return (0); |
2084 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2085 | return (0); | |
97d73ddb | 2086 | if (httpPrintf(HTTP(con), "%s", message) < 0) |
a74b005d | 2087 | return (0); |
2088 | } | |
2089 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2090 | return (0); | |
2091 | ||
2092 | con->http.state = HTTP_WAITING; | |
2093 | ||
2094 | return (1); | |
2095 | } | |
2096 | ||
2097 | ||
2098 | /* | |
2099 | * 'SendFile()' - Send a file via HTTP. | |
2100 | */ | |
2101 | ||
2102 | int | |
2103 | SendFile(client_t *con, | |
2104 | http_status_t code, | |
2105 | char *filename, | |
2106 | char *type, | |
2107 | struct stat *filestats) | |
2108 | { | |
2109 | con->file = open(filename, O_RDONLY); | |
2110 | ||
11009aea | 2111 | LogMessage(L_DEBUG, "SendFile: %d file=%d", con->http.fd, con->file); |
a74b005d | 2112 | |
2113 | if (con->file < 0) | |
2114 | return (0); | |
2115 | ||
e6df8a90 | 2116 | #ifdef FD_CLOEXEC |
2117 | /* | |
2118 | * Close this file when starting other processes... | |
2119 | */ | |
2120 | ||
2121 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
2122 | #endif /* FD_CLOEXEC */ | |
a74b005d | 2123 | |
2124 | con->pipe_pid = 0; | |
2125 | ||
2126 | if (!SendHeader(con, code, type)) | |
2127 | return (0); | |
2128 | ||
2129 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", httpGetDateString(filestats->st_mtime)) < 0) | |
2130 | return (0); | |
753453e4 | 2131 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
2132 | (unsigned long)filestats->st_size) < 0) | |
a74b005d | 2133 | return (0); |
2134 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2135 | return (0); | |
2136 | ||
e668e627 | 2137 | LogMessage(L_DEBUG2, "SendFile: Adding fd %d to OutputSet...", con->http.fd); |
2138 | ||
f3bc1068 | 2139 | FD_SET(con->http.fd, OutputSet); |
a74b005d | 2140 | |
2141 | return (1); | |
2142 | } | |
2143 | ||
2144 | ||
2145 | /* | |
93894a43 | 2146 | * 'SendHeader()' - Send an HTTP request. |
a74b005d | 2147 | */ |
2148 | ||
2149 | int /* O - 1 on success, 0 on failure */ | |
2150 | SendHeader(client_t *con, /* I - Client to send to */ | |
2151 | http_status_t code, /* I - HTTP status code */ | |
2152 | char *type) /* I - MIME type of document */ | |
2153 | { | |
83e740a5 | 2154 | location_t *loc; /* Authentication location */ |
2155 | ||
2156 | ||
a74b005d | 2157 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, |
ffe90a99 | 2158 | con->http.version % 100, code, httpStatus(code)) < 0) |
a74b005d | 2159 | return (0); |
2160 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) | |
2161 | return (0); | |
90ad5874 | 2162 | if (ServerHeader) |
2163 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2164 | return (0); | |
a74b005d | 2165 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) |
2166 | { | |
2167 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2168 | return (0); | |
2169 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", KeepAliveTimeout) < 0) | |
2170 | return (0); | |
2171 | } | |
8f85ff77 | 2172 | if (code == HTTP_METHOD_NOT_ALLOWED) |
9bfcbffc | 2173 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0) |
8f85ff77 | 2174 | return (0); |
2175 | ||
5ea8888e | 2176 | if (code == HTTP_UNAUTHORIZED) |
83e740a5 | 2177 | { |
753453e4 | 2178 | /* |
2179 | * This already succeeded in IsAuthorized... | |
2180 | */ | |
2181 | ||
2182 | loc = FindBest(con->uri, con->http.state); | |
83e740a5 | 2183 | |
753453e4 | 2184 | if (loc->type != AUTH_DIGEST) |
83e740a5 | 2185 | { |
2186 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0) | |
2187 | return (0); | |
2188 | } | |
2189 | else | |
2190 | { | |
4ac0ea43 | 2191 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Digest realm=\"CUPS\", " |
83e740a5 | 2192 | "nonce=\"%s\"\r\n", con->http.hostname) < 0) |
2193 | return (0); | |
2194 | } | |
2195 | } | |
a74b005d | 2196 | if (con->language != NULL) |
2197 | { | |
2198 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2199 | con->language->language) < 0) | |
2200 | return (0); | |
2201 | ||
2202 | if (type != NULL) | |
2203 | if (httpPrintf(HTTP(con), "Content-Type: %s; charset=%s\r\n", type, | |
2204 | cupsLangEncoding(con->language)) < 0) | |
2205 | return (0); | |
2206 | } | |
2207 | else if (type != NULL) | |
2208 | if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
2209 | return (0); | |
2210 | ||
2211 | return (1); | |
2212 | } | |
2213 | ||
2214 | ||
0a968cfb | 2215 | /* |
2216 | * 'UpdateCGI()' - Read status messages from CGI scripts and programs. | |
2217 | */ | |
2218 | ||
2219 | void | |
2220 | UpdateCGI(void) | |
2221 | { | |
fd09381d | 2222 | char *ptr, /* Pointer to end of line in buffer */ |
2223 | message[1024]; /* Pointer to message text */ | |
2224 | int loglevel; /* Log level for message */ | |
0a968cfb | 2225 | |
2226 | ||
fd09381d | 2227 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, |
2228 | message, sizeof(message))) != NULL) | |
2229 | if (!strchr(CGIStatusBuffer->buffer, '\n')) | |
2230 | break; | |
0a968cfb | 2231 | |
fd09381d | 2232 | if (ptr == NULL) |
0a968cfb | 2233 | { |
2234 | /* | |
2235 | * Fatal error on pipe - should never happen! | |
2236 | */ | |
2237 | ||
fd09381d | 2238 | LogMessage(L_CRIT, "UpdateCGI: error reading from CGI error pipe - %s", |
0a968cfb | 2239 | strerror(errno)); |
2240 | } | |
2241 | } | |
2242 | ||
2243 | ||
a74b005d | 2244 | /* |
2245 | * 'WriteClient()' - Write data to a client as needed. | |
2246 | */ | |
2247 | ||
ff49100f | 2248 | int /* O - 1 if success, 0 if fail */ |
2249 | WriteClient(client_t *con) /* I - Client connection */ | |
a74b005d | 2250 | { |
ff49100f | 2251 | int bytes; /* Number of bytes written */ |
13486cb7 | 2252 | char buf[HTTP_MAX_BUFFER + 1];/* Data buffer */ |
2253 | char *bufptr; /* Pointer into buffer */ | |
ff49100f | 2254 | ipp_state_t ipp_state; /* IPP state value */ |
a74b005d | 2255 | |
2256 | ||
6a2cceab | 2257 | #ifdef DEBUG |
2258 | LogMessage(L_DEBUG2, "WriteClient(con=%p) %d response=%p, file=%d pipe_pid=%d", | |
2259 | con, con->http.fd, con->response, con->file, con->pipe_pid); | |
2260 | #endif /* DEBUG */ | |
2261 | ||
a74b005d | 2262 | if (con->http.state != HTTP_GET_SEND && |
2263 | con->http.state != HTTP_POST_SEND) | |
2264 | return (1); | |
2265 | ||
ff49100f | 2266 | if (con->response != NULL) |
bfa1abf0 | 2267 | { |
ff49100f | 2268 | ipp_state = ippWrite(&(con->http), con->response); |
2269 | bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA; | |
bfa1abf0 | 2270 | } |
13486cb7 | 2271 | else if ((bytes = read(con->file, buf, HTTP_MAX_BUFFER)) > 0) |
a74b005d | 2272 | { |
6a2cceab | 2273 | #ifdef DEBUG |
2274 | LogMessage(L_DEBUG2, "WriteClient: Read %d bytes from file %d...", | |
2275 | bytes, con->file); | |
2276 | #endif /* DEBUG */ | |
2277 | ||
13486cb7 | 2278 | if (con->pipe_pid && !con->got_fields) |
2279 | { | |
2280 | /* | |
2281 | * Inspect the data for Content-Type and other fields. | |
2282 | */ | |
2283 | ||
2284 | buf[bytes] = '\0'; | |
2285 | ||
2286 | for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++) | |
2287 | if (*bufptr == '\n') | |
2288 | { | |
2289 | /* | |
2290 | * Send line to client... | |
2291 | */ | |
2292 | ||
2293 | if (bufptr > buf && bufptr[-1] == '\r') | |
2294 | bufptr[-1] = '\0'; | |
2295 | *bufptr++ = '\0'; | |
2296 | ||
2297 | httpPrintf(HTTP(con), "%s\r\n", buf); | |
6a2cceab | 2298 | LogMessage(L_DEBUG2, "WriteClient: %d %s", con->http.fd, buf); |
13486cb7 | 2299 | |
2300 | /* | |
2301 | * Update buffer... | |
2302 | */ | |
2303 | ||
2304 | bytes -= (bufptr - buf); | |
6a2cceab | 2305 | memmove(buf, bufptr, bytes + 1); |
13486cb7 | 2306 | bufptr = buf - 1; |
2307 | ||
2308 | /* | |
2309 | * See if the line was empty... | |
2310 | */ | |
2311 | ||
2312 | if (con->field_col == 0) | |
2313 | con->got_fields = 1; | |
2314 | else | |
2315 | con->field_col = 0; | |
2316 | } | |
2317 | else if (*bufptr != '\r') | |
2318 | con->field_col ++; | |
2319 | ||
2320 | if (bytes > 0 && !con->got_fields) | |
2321 | { | |
2322 | /* | |
2323 | * Remaining text needs to go out... | |
2324 | */ | |
2325 | ||
2326 | httpPrintf(HTTP(con), "%s", buf); | |
2327 | ||
2328 | con->http.activity = time(NULL); | |
2329 | return (1); | |
2330 | } | |
2331 | else if (bytes == 0) | |
2332 | { | |
2333 | con->http.activity = time(NULL); | |
2334 | return (1); | |
2335 | } | |
2336 | } | |
2337 | ||
a74b005d | 2338 | if (httpWrite(HTTP(con), buf, bytes) < 0) |
2339 | { | |
2340 | CloseClient(con); | |
2341 | return (0); | |
2342 | } | |
6a0c519d | 2343 | |
2344 | con->bytes += bytes; | |
a74b005d | 2345 | } |
b14d90ba | 2346 | |
2347 | if (bytes <= 0) | |
a74b005d | 2348 | { |
6a0c519d | 2349 | LogRequest(con, HTTP_OK); |
2350 | ||
a74b005d | 2351 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED) |
2352 | { | |
2353 | if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0) | |
2354 | { | |
2355 | CloseClient(con); | |
2356 | return (0); | |
2357 | } | |
2358 | } | |
2359 | ||
96df88bb | 2360 | con->http.state = HTTP_WAITING; |
2361 | ||
6a2cceab | 2362 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from OutputSet...", |
e668e627 | 2363 | con->http.fd); |
2364 | ||
f3bc1068 | 2365 | FD_CLR(con->http.fd, OutputSet); |
a74b005d | 2366 | |
6a2cceab | 2367 | if (con->file >= 0) |
a74b005d | 2368 | { |
6a2cceab | 2369 | if (FD_ISSET(con->file, InputSet)) |
2370 | { | |
2371 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from InputSet...", | |
2372 | con->file); | |
2373 | FD_CLR(con->file, InputSet); | |
2374 | } | |
2375 | ||
bfa1abf0 | 2376 | if (con->pipe_pid) |
96df88bb | 2377 | kill(con->pipe_pid, SIGTERM); |
bfa1abf0 | 2378 | |
bd917997 | 2379 | LogMessage(L_DEBUG2, "WriteClient() %d Closing data file %d.", |
2380 | con->http.fd, con->file); | |
2381 | ||
bfa1abf0 | 2382 | close(con->file); |
6a2cceab | 2383 | con->file = -1; |
96df88bb | 2384 | con->pipe_pid = 0; |
bfa1abf0 | 2385 | } |
a74b005d | 2386 | |
fc757c63 | 2387 | if (con->filename) |
a61a2be6 | 2388 | { |
2389 | LogMessage(L_DEBUG2, "WriteClient() %d Removing temp file %s", | |
bd917997 | 2390 | con->http.fd, con->filename); |
d4c438d4 | 2391 | unlink(con->filename); |
fc757c63 | 2392 | ClearString(&con->filename); |
a61a2be6 | 2393 | } |
d4c438d4 | 2394 | |
b14d90ba | 2395 | if (con->request != NULL) |
2396 | { | |
2397 | ippDelete(con->request); | |
2398 | con->request = NULL; | |
2399 | } | |
2400 | ||
2401 | if (con->response != NULL) | |
2402 | { | |
2403 | ippDelete(con->response); | |
2404 | con->response = NULL; | |
2405 | } | |
96df88bb | 2406 | |
fc757c63 | 2407 | ClearString(&con->command); |
2408 | ClearString(&con->options); | |
2409 | ||
96df88bb | 2410 | if (!con->http.keep_alive) |
2411 | { | |
2412 | CloseClient(con); | |
2413 | return (0); | |
2414 | } | |
a74b005d | 2415 | } |
6a2cceab | 2416 | else |
2417 | { | |
2418 | con->file_ready = 0; | |
2419 | ||
2420 | if (con->pipe_pid && !FD_ISSET(con->file, InputSet)) | |
2421 | { | |
2422 | LogMessage(L_DEBUG2, "WriteClient: Adding fd %d to InputSet...", con->file); | |
2423 | FD_SET(con->file, InputSet); | |
2424 | } | |
2425 | } | |
a74b005d | 2426 | |
997edb40 | 2427 | if (bytes >= 1024) |
6a2cceab | 2428 | LogMessage(L_DEBUG2, "WriteClient: %d %d bytes", con->http.fd, bytes); |
a74b005d | 2429 | |
2430 | con->http.activity = time(NULL); | |
2431 | ||
2432 | return (1); | |
2433 | } | |
2434 | ||
2435 | ||
a74b005d | 2436 | /* |
2437 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2438 | */ | |
2439 | ||
2440 | static int /* O - 1 if modified since */ | |
2441 | check_if_modified(client_t *con, /* I - Client connection */ | |
2442 | struct stat *filestats) /* I - File information */ | |
2443 | { | |
2444 | char *ptr; /* Pointer into field */ | |
2445 | time_t date; /* Time/date value */ | |
2446 | int size; /* Size/length value */ | |
2447 | ||
2448 | ||
2449 | size = 0; | |
2450 | date = 0; | |
2451 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
2452 | ||
2453 | if (*ptr == '\0') | |
2454 | return (1); | |
2455 | ||
11009aea | 2456 | LogMessage(L_DEBUG2, "check_if_modified: %d If-Modified-Since=\"%s\"", |
4a64fdb7 | 2457 | con->http.fd, ptr); |
2458 | ||
a74b005d | 2459 | while (*ptr != '\0') |
2460 | { | |
4a64fdb7 | 2461 | while (isspace(*ptr) || *ptr == ';') |
a74b005d | 2462 | ptr ++; |
2463 | ||
2464 | if (strncasecmp(ptr, "length=", 7) == 0) | |
2465 | { | |
2466 | ptr += 7; | |
2467 | size = atoi(ptr); | |
2468 | ||
2469 | while (isdigit(*ptr)) | |
2470 | ptr ++; | |
2471 | } | |
4a64fdb7 | 2472 | else if (isalpha(*ptr)) |
a74b005d | 2473 | { |
2474 | date = httpGetDateTime(ptr); | |
4a64fdb7 | 2475 | while (*ptr != '\0' && *ptr != ';') |
a74b005d | 2476 | ptr ++; |
2477 | } | |
2478 | } | |
2479 | ||
11009aea | 2480 | LogMessage(L_DEBUG2, "check_if_modified: %d sizes=%d,%d dates=%d,%d", |
aa7e125a | 2481 | con->http.fd, size, (int)filestats->st_size, (int)date, |
2482 | (int)filestats->st_mtime); | |
4a64fdb7 | 2483 | |
a74b005d | 2484 | return ((size != filestats->st_size && size != 0) || |
4a64fdb7 | 2485 | (date < filestats->st_mtime && date != 0) || |
2486 | (size == 0 && date == 0)); | |
a74b005d | 2487 | } |
2488 | ||
2489 | ||
2490 | /* | |
d2122fde | 2491 | * 'decode_auth()' - Decode an authorization string. |
a74b005d | 2492 | */ |
2493 | ||
93894a43 | 2494 | static void |
d2122fde | 2495 | decode_auth(client_t *con) /* I - Client to decode to */ |
a74b005d | 2496 | { |
d2122fde | 2497 | char *s, /* Authorization string */ |
2498 | value[1024]; /* Value string */ | |
2499 | const char *username; /* Certificate username */ | |
a74b005d | 2500 | |
a74b005d | 2501 | |
2502 | /* | |
b0d58d07 | 2503 | * Decode the string... |
a74b005d | 2504 | */ |
2505 | ||
f3d580b9 | 2506 | s = con->http.fields[HTTP_FIELD_AUTHORIZATION]; |
f3d580b9 | 2507 | |
aa7e125a | 2508 | LogMessage(L_DEBUG2, "decode_auth(%p): Authorization string = \"%s\"", |
27eba2dd | 2509 | con, s); |
69f14ebb | 2510 | |
d2122fde | 2511 | if (strncmp(s, "Basic", 5) == 0) |
2512 | { | |
2513 | s += 5; | |
2514 | while (isspace(*s)) | |
2515 | s ++; | |
f3d580b9 | 2516 | |
d2122fde | 2517 | httpDecode64(value, s); |
a74b005d | 2518 | |
d2122fde | 2519 | /* |
2520 | * Pull the username and password out... | |
2521 | */ | |
b0d58d07 | 2522 | |
d2122fde | 2523 | if ((s = strchr(value, ':')) == NULL) |
2524 | { | |
11009aea | 2525 | LogMessage(L_DEBUG, "decode_auth: %d no colon in auth string \"%s\"", |
d2122fde | 2526 | con->http.fd, value); |
2527 | return; | |
2528 | } | |
2529 | ||
2530 | *s++ = '\0'; | |
b0d58d07 | 2531 | |
def978d5 | 2532 | strlcpy(con->username, value, sizeof(con->username)); |
2533 | strlcpy(con->password, s, sizeof(con->password)); | |
d2122fde | 2534 | } |
2535 | else if (strncmp(s, "Local", 5) == 0) | |
2536 | { | |
2537 | s += 5; | |
2538 | while (isspace(*s)) | |
2539 | s ++; | |
b0d58d07 | 2540 | |
d2122fde | 2541 | if ((username = FindCert(s)) != NULL) |
def978d5 | 2542 | strlcpy(con->username, username, sizeof(con->username)); |
d2122fde | 2543 | } |
83e740a5 | 2544 | else if (strncmp(s, "Digest", 5) == 0) |
2545 | { | |
2546 | /* | |
2547 | * Get the username and password from the Digest attributes... | |
2548 | */ | |
2549 | ||
2550 | if (httpGetSubField(&(con->http), HTTP_FIELD_WWW_AUTHENTICATE, "username", | |
2551 | value)) | |
def978d5 | 2552 | strlcpy(con->username, value, sizeof(con->username)); |
83e740a5 | 2553 | |
2554 | if (httpGetSubField(&(con->http), HTTP_FIELD_WWW_AUTHENTICATE, "response", | |
2555 | value)) | |
def978d5 | 2556 | strlcpy(con->password, value, sizeof(con->password) - 1); |
83e740a5 | 2557 | } |
41637133 | 2558 | |
11009aea | 2559 | LogMessage(L_DEBUG2, "decode_auth: %d username=\"%s\"", |
41637133 | 2560 | con->http.fd, con->username); |
a74b005d | 2561 | } |
2562 | ||
2563 | ||
fa84bfc7 | 2564 | static char * /* O - Real filename */ |
2565 | get_file(client_t *con, /* I - Client connection */ | |
2566 | struct stat *filestats, /* O - File information */ | |
2567 | char *filename, /* IO - Filename buffer */ | |
2568 | int len) /* I - Buffer length */ | |
e31bfb6e | 2569 | { |
fa84bfc7 | 2570 | int status; /* Status of filesystem calls */ |
2571 | char *ptr; /* Pointer info filename */ | |
2572 | int plen; /* Remaining length after pointer */ | |
e31bfb6e | 2573 | |
2574 | ||
2575 | /* | |
2576 | * Need to add DocumentRoot global... | |
2577 | */ | |
2578 | ||
f3d580b9 | 2579 | if (strncmp(con->uri, "/ppd/", 5) == 0) |
6db7190f | 2580 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
753453e4 | 2581 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0) |
6db7190f | 2582 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); |
f3d580b9 | 2583 | else if (con->language != NULL) |
6db7190f | 2584 | snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language, |
e31bfb6e | 2585 | con->uri); |
2586 | else | |
6db7190f | 2587 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2588 | |
fa84bfc7 | 2589 | if ((ptr = strchr(filename, '?')) != NULL) |
2590 | *ptr = '\0'; | |
e31bfb6e | 2591 | |
2592 | /* | |
2593 | * Grab the status for this language; if there isn't a language-specific file | |
2594 | * then fallback to the default one... | |
2595 | */ | |
2596 | ||
2597 | if ((status = stat(filename, filestats)) != 0 && con->language != NULL) | |
2598 | { | |
2599 | /* | |
2600 | * Drop the language prefix and try the current directory... | |
2601 | */ | |
2602 | ||
753453e4 | 2603 | if (strncmp(con->uri, "/ppd/", 5) != 0 && |
2604 | strncmp(con->uri, "/admin/conf/", 12) != 0) | |
f3d580b9 | 2605 | { |
6db7190f | 2606 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2607 | |
fa84bfc7 | 2608 | if ((ptr = strchr(filename, '?')) != NULL) |
2609 | *ptr = '\0'; | |
2610 | ||
f3d580b9 | 2611 | status = stat(filename, filestats); |
2612 | } | |
e31bfb6e | 2613 | } |
2614 | ||
2615 | /* | |
2616 | * If we're found a directory, get the index.html file instead... | |
2617 | */ | |
2618 | ||
2619 | if (!status && S_ISDIR(filestats->st_mode)) | |
2620 | { | |
fa84bfc7 | 2621 | if (filename[strlen(filename) - 1] != '/') |
2622 | strlcat(filename, "/", len); | |
e31bfb6e | 2623 | |
fa84bfc7 | 2624 | ptr = filename + strlen(filename); |
2625 | plen = len - (ptr - filename); | |
2626 | ||
2627 | strlcpy(ptr, "index.html", plen); | |
e31bfb6e | 2628 | status = stat(filename, filestats); |
fa84bfc7 | 2629 | |
2630 | #ifdef HAVE_JAVA | |
2631 | if (status) | |
2632 | { | |
2633 | strlcpy(ptr, "index.class", plen); | |
2634 | status = stat(filename, filestats); | |
2635 | } | |
2636 | #endif /* HAVE_JAVA */ | |
2637 | ||
2638 | #ifdef HAVE_PERL | |
2639 | if (status) | |
2640 | { | |
2641 | strlcpy(ptr, "index.pl", plen); | |
2642 | status = stat(filename, filestats); | |
2643 | } | |
2644 | #endif /* HAVE_PERL */ | |
2645 | ||
2646 | #ifdef HAVE_PHP | |
2647 | if (status) | |
2648 | { | |
2649 | strlcpy(ptr, "index.php", plen); | |
2650 | status = stat(filename, filestats); | |
2651 | } | |
2652 | #endif /* HAVE_PHP */ | |
2653 | ||
2654 | #ifdef HAVE_PYTHON | |
2655 | if (status) | |
2656 | { | |
2657 | strlcpy(ptr, "index.pyc", plen); | |
2658 | status = stat(filename, filestats); | |
2659 | } | |
2660 | ||
2661 | if (status) | |
2662 | { | |
2663 | strlcpy(ptr, "index.py", plen); | |
2664 | status = stat(filename, filestats); | |
2665 | } | |
2666 | #endif /* HAVE_PYTHON */ | |
e31bfb6e | 2667 | } |
2668 | ||
11009aea | 2669 | LogMessage(L_DEBUG2, "get_file: %d filename=%s size=%d", |
aa7e125a | 2670 | con->http.fd, filename, status ? -1 : (int)filestats->st_size); |
e31bfb6e | 2671 | |
2672 | if (status) | |
2673 | return (NULL); | |
2674 | else | |
2675 | return (filename); | |
2676 | } | |
2677 | ||
2678 | ||
753453e4 | 2679 | /* |
2680 | * 'install_conf_file()' - Install a configuration file. | |
2681 | */ | |
2682 | ||
2683 | static http_status_t /* O - Status */ | |
2684 | install_conf_file(client_t *con) /* I - Connection */ | |
2685 | { | |
7b0fde61 | 2686 | cups_file_t *in, /* Input file */ |
753453e4 | 2687 | *out; /* Output file */ |
2688 | char buffer[1024]; /* Copy buffer */ | |
2689 | int bytes; /* Number of bytes */ | |
2690 | char conffile[1024], /* Configuration filename */ | |
2691 | newfile[1024], /* New config filename */ | |
2692 | oldfile[1024]; /* Old config filename */ | |
2693 | struct stat confinfo; /* Config file info */ | |
2694 | ||
2695 | ||
2696 | /* | |
2697 | * First construct the filenames... | |
2698 | */ | |
2699 | ||
2700 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
2701 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
2702 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
2703 | ||
2704 | LogMessage(L_INFO, "Installing config file \"%s\"...", conffile); | |
2705 | ||
2706 | /* | |
2707 | * Get the owner, group, and permissions of the configuration file. | |
2708 | * If it doesn't exist, assign it to the User and Group in the | |
2709 | * cupsd.conf file with mode 0640 permissions. | |
2710 | */ | |
2711 | ||
2712 | if (stat(conffile, &confinfo)) | |
2713 | { | |
2714 | confinfo.st_uid = User; | |
2715 | confinfo.st_gid = Group; | |
d59a189c | 2716 | confinfo.st_mode = ConfigFilePerm; |
753453e4 | 2717 | } |
2718 | ||
2719 | /* | |
2720 | * Open the request file and new config file... | |
2721 | */ | |
2722 | ||
7b0fde61 | 2723 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
753453e4 | 2724 | { |
2725 | LogMessage(L_ERROR, "Unable to open request file \"%s\" - %s", | |
2726 | con->filename, strerror(errno)); | |
2727 | return (HTTP_SERVER_ERROR); | |
2728 | } | |
2729 | ||
7b0fde61 | 2730 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) |
753453e4 | 2731 | { |
7b0fde61 | 2732 | cupsFileClose(in); |
753453e4 | 2733 | LogMessage(L_ERROR, "Unable to open config file \"%s\" - %s", |
2734 | newfile, strerror(errno)); | |
2735 | return (HTTP_SERVER_ERROR); | |
2736 | } | |
2737 | ||
7b0fde61 | 2738 | fchmod(cupsFileNumber(out), confinfo.st_mode); |
2739 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
753453e4 | 2740 | |
2741 | /* | |
2742 | * Copy from the request to the new config file... | |
2743 | */ | |
2744 | ||
7b0fde61 | 2745 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) |
2746 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
753453e4 | 2747 | { |
2748 | LogMessage(L_ERROR, "Unable to copy to config file \"%s\" - %s", | |
2749 | newfile, strerror(errno)); | |
2750 | ||
7b0fde61 | 2751 | cupsFileClose(in); |
2752 | cupsFileClose(out); | |
753453e4 | 2753 | unlink(newfile); |
2754 | ||
2755 | return (HTTP_SERVER_ERROR); | |
2756 | } | |
2757 | ||
2758 | /* | |
2759 | * Close the files... | |
2760 | */ | |
2761 | ||
7b0fde61 | 2762 | cupsFileClose(in); |
2763 | if (cupsFileClose(out)) | |
753453e4 | 2764 | { |
2765 | LogMessage(L_ERROR, "Error file closing config file \"%s\" - %s", | |
2766 | newfile, strerror(errno)); | |
2767 | ||
2768 | unlink(newfile); | |
2769 | ||
2770 | return (HTTP_SERVER_ERROR); | |
2771 | } | |
2772 | ||
2773 | /* | |
2774 | * Remove the request file... | |
2775 | */ | |
2776 | ||
2777 | unlink(con->filename); | |
fc757c63 | 2778 | ClearString(&con->filename); |
753453e4 | 2779 | |
2780 | /* | |
2781 | * Unlink the old backup, rename the current config file to the backup | |
2782 | * filename, and rename the new config file to the config file name... | |
2783 | */ | |
2784 | ||
2785 | if (unlink(oldfile)) | |
2786 | if (errno != ENOENT) | |
2787 | { | |
2788 | LogMessage(L_ERROR, "Unable to remove backup config file \"%s\" - %s", | |
2789 | oldfile, strerror(errno)); | |
2790 | ||
2791 | unlink(newfile); | |
2792 | ||
2793 | return (HTTP_SERVER_ERROR); | |
2794 | } | |
2795 | ||
2796 | if (rename(conffile, oldfile)) | |
2797 | if (errno != ENOENT) | |
2798 | { | |
2799 | LogMessage(L_ERROR, "Unable to rename old config file \"%s\" - %s", | |
2800 | conffile, strerror(errno)); | |
2801 | ||
2802 | unlink(newfile); | |
2803 | ||
2804 | return (HTTP_SERVER_ERROR); | |
2805 | } | |
2806 | ||
2807 | if (rename(newfile, conffile)) | |
2808 | { | |
2809 | LogMessage(L_ERROR, "Unable to rename new config file \"%s\" - %s", | |
2810 | newfile, strerror(errno)); | |
2811 | ||
2812 | rename(oldfile, conffile); | |
2813 | unlink(newfile); | |
2814 | ||
2815 | return (HTTP_SERVER_ERROR); | |
2816 | } | |
2817 | ||
2818 | /* | |
2819 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
2820 | */ | |
2821 | ||
2822 | if (strcmp(con->uri, "/admin/conf/cupsd.conf") == 0) | |
53510eae | 2823 | NeedReload = RELOAD_CUPSD; |
2824 | else | |
2825 | NeedReload = RELOAD_ALL; | |
753453e4 | 2826 | |
a782f61f | 2827 | ReloadTime = time(NULL); |
2828 | ||
753453e4 | 2829 | /* |
2830 | * Return that the file was created successfully... | |
2831 | */ | |
2832 | ||
2833 | return (HTTP_CREATED); | |
2834 | } | |
2835 | ||
2836 | ||
3780dd72 | 2837 | /* |
2838 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
2839 | */ | |
2840 | ||
2841 | static int /* O - 0 if relative, 1 if absolute */ | |
2842 | is_path_absolute(const char *path) /* I - Input path */ | |
2843 | { | |
2844 | /* | |
2845 | * Check for a leading slash... | |
2846 | */ | |
2847 | ||
2848 | if (path[0] != '/') | |
2849 | return (0); | |
2850 | ||
2851 | /* | |
2852 | * Check for "/.." in the path... | |
2853 | */ | |
2854 | ||
2855 | while ((path = strstr(path, "/..")) != NULL) | |
98fe75ea | 2856 | { |
3780dd72 | 2857 | if (!path[3] || path[3] == '/') |
2858 | return (0); | |
2859 | ||
98fe75ea | 2860 | path ++; |
2861 | } | |
2862 | ||
3780dd72 | 2863 | /* |
2864 | * If we haven't found any relative paths, return 1 indicating an | |
2865 | * absolute path... | |
2866 | */ | |
2867 | ||
2868 | return (1); | |
2869 | } | |
2870 | ||
2871 | ||
a74b005d | 2872 | /* |
2873 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
2874 | */ | |
2875 | ||
879062a9 | 2876 | static int /* O - Process ID */ |
2877 | pipe_command(client_t *con, /* I - Client connection */ | |
2878 | int infile, /* I - Standard input for command */ | |
2879 | int *outfile, /* O - Standard output for command */ | |
2880 | char *command, /* I - Command to run */ | |
2881 | char *options) /* I - Options for command */ | |
a74b005d | 2882 | { |
2ae14c39 | 2883 | int i; /* Looping var */ |
879062a9 | 2884 | int pid; /* Process ID */ |
2885 | char *commptr; /* Command string pointer */ | |
e420f467 | 2886 | char *uriptr; /* URI string pointer */ |
879062a9 | 2887 | int fds[2]; /* Pipe FDs */ |
2888 | int argc; /* Number of arguments */ | |
2889 | int envc; /* Number of environment variables */ | |
2890 | char argbuf[10240], /* Argument buffer */ | |
2891 | *argv[100], /* Argument strings */ | |
2892 | *envp[100]; /* Environment variables */ | |
2ae14c39 | 2893 | char content_length[1024], /* CONTENT_LENGTH environment variable */ |
2894 | content_type[1024], /* CONTENT_TYPE environment variable */ | |
2895 | cups_datadir[1024], /* CUPS_DATADIR environment variable */ | |
2896 | cups_serverroot[1024], /* CUPS_SERVERROOT environment variable */ | |
2897 | http_cookie[1024], /* HTTP_COOKIE environment variable */ | |
2898 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ | |
2899 | ipp_port[1024], /* IPP_PORT environment variable */ | |
2900 | lang[1024], /* LANG environment variable */ | |
2901 | ld_library_path[1024], /* LD_LIBRARY_PATH environment variable */ | |
dd63ebe2 | 2902 | ld_preload[1024], /* LD_PRELOAD environment variable */ |
2903 | dyld_library_path[1024],/* DYLD_LIBRARY_PATH environment variable */ | |
2904 | shlib_path[1024], /* SHLIB_PATH environment variable */ | |
879062a9 | 2905 | nlspath[1024], /* NLSPATH environment variable */ |
f6b55e0c | 2906 | *query_string, /* QUERY_STRING env variable */ |
2ae14c39 | 2907 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
2908 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
2909 | remote_user[1024], /* REMOTE_USER environment variable */ | |
2910 | script_name[1024], /* SCRIPT_NAME environment variable */ | |
2911 | server_name[1024], /* SERVER_NAME environment variable */ | |
2912 | server_port[1024], /* SERVER_PORT environment variable */ | |
ff40b65e | 2913 | tmpdir[1024], /* TMPDIR environment variable */ |
1f4b7b03 | 2914 | vg_args[1024], /* VG_ARGS environment variable */ |
2915 | ld_assume_kernel[1024]; /* LD_ASSUME_KERNEL environment variable */ | |
879062a9 | 2916 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
c7a9d594 | 2917 | struct sigaction action; /* POSIX signal handler */ |
879062a9 | 2918 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
08c0ff15 | 2919 | static const char * const locale_encodings[] = |
2920 | { /* Locale charset names */ | |
2921 | "ASCII", "ISO8859-1", "ISO8859-2", "ISO8859-3", | |
2922 | "ISO8859-4", "ISO8859-5", "ISO8859-6", "ISO8859-7", | |
2923 | "ISO8859-8", "ISO8859-9", "ISO8859-10", "UTF-8", | |
2924 | "ISO8859-13", "ISO8859-14", "ISO8859-15", "CP874", | |
2925 | "CP1250", "CP1251", "CP1252", "CP1253", | |
2926 | "CP1254", "CP1255", "CP1256", "CP1257", | |
2927 | "CP1258", "KOI8R", "KOI8U", "ISO8859-11", | |
2928 | "ISO8859-16", "", "", "", | |
2929 | ||
2930 | "", "", "", "", | |
2931 | "", "", "", "", | |
2932 | "", "", "", "", | |
2933 | "", "", "", "", | |
2934 | "", "", "", "", | |
2935 | "", "", "", "", | |
2936 | "", "", "", "", | |
2937 | "", "", "", "", | |
2938 | ||
2939 | "CP932", "CP936", "CP949", "CP950", | |
2940 | "CP1361", "", "", "", | |
2941 | "", "", "", "", | |
2942 | "", "", "", "", | |
2943 | "", "", "", "", | |
2944 | "", "", "", "", | |
2945 | "", "", "", "", | |
2946 | "", "", "", "", | |
2947 | ||
2948 | "", "", "", "", | |
2949 | "", "", "", "", | |
2950 | "", "", "", "", | |
2951 | "", "", "", "", | |
2952 | "", "", "", "", | |
2953 | "", "", "", "", | |
2954 | "", "", "", "", | |
2955 | "", "", "", "", | |
2956 | ||
2957 | "EUC-CN", "EUC-JP", "EUC-KR", "EUC-TW" | |
2958 | }; | |
41d6188e | 2959 | static const char * const encryptions[] = |
2960 | { | |
2961 | "CUPS_ENCRYPTION=IfRequested", | |
2962 | "CUPS_ENCRYPTION=Never", | |
2963 | "CUPS_ENCRYPTION=Required", | |
2964 | "CUPS_ENCRYPTION=Always" | |
2965 | }; | |
a74b005d | 2966 | |
05e63c18 | 2967 | |
a74b005d | 2968 | /* |
f6b55e0c | 2969 | * Parse a copy of the options string, which is of the form: |
2970 | * | |
2971 | * name argument+argument+argument | |
ff346847 | 2972 | * name?argument+argument+argument |
f6b55e0c | 2973 | * name param=value¶m=value |
ff346847 | 2974 | * name?param=value¶m=value |
f6b55e0c | 2975 | * |
2976 | * If the string contains an "=" character after the initial name, | |
2977 | * then we treat it as a HTTP GET form request and make a copy of | |
2978 | * the remaining string for the environment variable. | |
2979 | * | |
2980 | * The string is always parsed out as command-line arguments, to | |
2981 | * be consistent with Apache... | |
a74b005d | 2982 | */ |
2983 | ||
ff346847 | 2984 | LogMessage(L_DEBUG2, "pipe_command: command=\"%s\", options=\"%s\"", |
2985 | command, options); | |
2986 | ||
def978d5 | 2987 | strlcpy(argbuf, options, sizeof(argbuf)); |
a74b005d | 2988 | |
f6b55e0c | 2989 | argv[0] = argbuf; |
2990 | query_string = NULL; | |
a74b005d | 2991 | |
bfa1abf0 | 2992 | for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++) |
f6b55e0c | 2993 | { |
2994 | /* | |
2995 | * Break arguments whenever we see a + or space... | |
2996 | */ | |
2997 | ||
ff346847 | 2998 | if (*commptr == ' ' || *commptr == '+' || (*commptr == '?' && argc == 1)) |
a74b005d | 2999 | { |
f6b55e0c | 3000 | /* |
3001 | * Terminate the current string and skip trailing whitespace... | |
3002 | */ | |
3003 | ||
a74b005d | 3004 | *commptr++ = '\0'; |
3005 | ||
3006 | while (*commptr == ' ') | |
3007 | commptr ++; | |
3008 | ||
f6b55e0c | 3009 | /* |
3010 | * If we don't have a blank string, save it as another argument... | |
3011 | */ | |
3012 | ||
3013 | if (*commptr) | |
a74b005d | 3014 | { |
3015 | argv[argc] = commptr; | |
3016 | argc ++; | |
3017 | } | |
f6b55e0c | 3018 | else |
3019 | break; | |
da0bffec | 3020 | |
3021 | /* | |
f6b55e0c | 3022 | * If we see an "=" in the remaining string, make a copy of it since |
3023 | * it will be query data... | |
da0bffec | 3024 | */ |
3025 | ||
3026 | if (argc == 2 && strchr(commptr, '=') && con->operation == HTTP_GET) | |
f6b55e0c | 3027 | SetStringf(&query_string, "QUERY_STRING=%s", commptr); |
3028 | ||
3029 | /* | |
3030 | * Don't skip the first non-blank character... | |
3031 | */ | |
da0bffec | 3032 | |
a74b005d | 3033 | commptr --; |
3034 | } | |
da275f55 | 3035 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && |
3036 | isxdigit(commptr[2] & 255)) | |
a74b005d | 3037 | { |
f6b55e0c | 3038 | /* |
3039 | * Convert the %xx notation to the individual character. | |
3040 | */ | |
3041 | ||
a74b005d | 3042 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3043 | *commptr = (commptr[1] - '0') << 4; | |
3044 | else | |
3045 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
3046 | ||
3047 | if (commptr[2] >= '0' && commptr[2] <= '9') | |
3048 | *commptr |= commptr[2] - '0'; | |
3049 | else | |
3050 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
3051 | ||
ff40b65e | 3052 | cups_strcpy(commptr + 1, commptr + 3); |
f6b55e0c | 3053 | |
3054 | /* | |
3055 | * Check for a %00 and break if that is the case... | |
3056 | */ | |
3057 | ||
3058 | if (!*commptr) | |
3059 | break; | |
a74b005d | 3060 | } |
f6b55e0c | 3061 | } |
a74b005d | 3062 | |
3063 | argv[argc] = NULL; | |
3064 | ||
bfa1abf0 | 3065 | if (argv[0][0] == '\0') |
3066 | argv[0] = strrchr(command, '/') + 1; | |
b14d90ba | 3067 | |
3068 | /* | |
3069 | * Setup the environment variables as needed... | |
3070 | */ | |
3071 | ||
08c0ff15 | 3072 | if (con->language) |
3073 | snprintf(lang, sizeof(lang), "LANG=%s.%s", con->language->language, | |
3074 | locale_encodings[con->language->encoding]); | |
3075 | else | |
3076 | strcpy(lang, "LANG=C"); | |
3077 | ||
0f71c41e | 3078 | sprintf(ipp_port, "IPP_PORT=%d", LocalPort); |
99de6da0 | 3079 | #ifdef AF_INET6 |
3080 | if (con->http.hostaddr.addr.sa_family == AF_INET6) | |
99de6da0 | 3081 | sprintf(server_port, "SERVER_PORT=%d", |
3082 | ntohs(con->http.hostaddr.ipv6.sin6_port)); | |
99de6da0 | 3083 | else |
3084 | #endif /* AF_INET6 */ | |
99de6da0 | 3085 | sprintf(server_port, "SERVER_PORT=%d", |
3086 | ntohs(con->http.hostaddr.ipv4.sin_port)); | |
99de6da0 | 3087 | |
c5d918d8 | 3088 | if (strcmp(con->http.hostname, "localhost") == 0) |
3089 | strlcpy(server_name, "SERVER_NAME=localhost", sizeof(server_name)); | |
3090 | else | |
3091 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", ServerName); | |
04de52f8 | 3092 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", con->http.hostname); |
2ae14c39 | 3093 | strcpy(remote_addr, "REMOTE_ADDR="); |
3094 | httpAddrString(&(con->http.hostaddr), remote_addr + 12, | |
3095 | sizeof(remote_addr) - 12); | |
04de52f8 | 3096 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); |
3097 | snprintf(tmpdir, sizeof(tmpdir), "TMPDIR=%s", TempDir); | |
2ae14c39 | 3098 | snprintf(cups_datadir, sizeof(cups_datadir), "CUPS_DATADIR=%s", DataDir); |
3099 | snprintf(cups_serverroot, sizeof(cups_serverroot), "CUPS_SERVERROOT=%s", ServerRoot); | |
3100 | ||
3101 | envc = 0; | |
3102 | ||
3103 | envp[envc ++] = "PATH=/bin:/usr/bin"; | |
3104 | envp[envc ++] = "SERVER_SOFTWARE=CUPS/1.1"; | |
3105 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; | |
3106 | if (con->http.version == HTTP_1_1) | |
3107 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
3108 | else if (con->http.version == HTTP_1_0) | |
3109 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
3110 | else | |
3111 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3112 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
ff40b65e | 3113 | envp[envc ++] = "CUPS_SERVER=localhost"; |
2ae14c39 | 3114 | envp[envc ++] = ipp_port; |
3115 | envp[envc ++] = server_name; | |
3116 | envp[envc ++] = server_port; | |
3117 | envp[envc ++] = remote_addr; | |
3118 | envp[envc ++] = remote_host; | |
3119 | envp[envc ++] = remote_user; | |
3120 | envp[envc ++] = lang; | |
3121 | envp[envc ++] = TZ; | |
3122 | envp[envc ++] = tmpdir; | |
3123 | envp[envc ++] = cups_datadir; | |
3124 | envp[envc ++] = cups_serverroot; | |
df3f73ff | 3125 | |
ff40b65e | 3126 | if (getenv("VG_ARGS") != NULL) |
3127 | { | |
3128 | snprintf(vg_args, sizeof(vg_args), "VG_ARGS=%s", getenv("VG_ARGS")); | |
3129 | envp[envc ++] = vg_args; | |
3130 | } | |
3131 | ||
1f4b7b03 | 3132 | if (getenv("LD_ASSUME_KERNEL") != NULL) |
3133 | { | |
3134 | snprintf(ld_assume_kernel, sizeof(ld_assume_kernel), "LD_ASSUME_KERNEL=%s", | |
3135 | getenv("LD_ASSUME_KERNEL")); | |
3136 | envp[envc ++] = ld_assume_kernel; | |
3137 | } | |
3138 | ||
df3f73ff | 3139 | if (getenv("LD_LIBRARY_PATH") != NULL) |
2ae14c39 | 3140 | { |
3141 | snprintf(ld_library_path, sizeof(ld_library_path), "LD_LIBRARY_PATH=%s", | |
1cf29e95 | 3142 | getenv("LD_LIBRARY_PATH")); |
2ae14c39 | 3143 | envp[envc ++] = ld_library_path; |
3144 | } | |
dd63ebe2 | 3145 | |
3146 | if (getenv("LD_PRELOAD") != NULL) | |
3147 | { | |
3148 | snprintf(ld_preload, sizeof(ld_preload), "LD_PRELOAD=%s", | |
3149 | getenv("LD_PRELOAD")); | |
3150 | envp[envc ++] = ld_preload; | |
3151 | } | |
3152 | ||
3153 | if (getenv("DYLD_LIBRARY_PATH") != NULL) | |
2ae14c39 | 3154 | { |
dd63ebe2 | 3155 | snprintf(dyld_library_path, sizeof(dyld_library_path), "DYLD_LIBRARY_PATH=%s", |
1cf29e95 | 3156 | getenv("DYLD_LIBRARY_PATH")); |
dd63ebe2 | 3157 | envp[envc ++] = dyld_library_path; |
2ae14c39 | 3158 | } |
dd63ebe2 | 3159 | |
3160 | if (getenv("SHLIB_PATH") != NULL) | |
2ae14c39 | 3161 | { |
dd63ebe2 | 3162 | snprintf(shlib_path, sizeof(shlib_path), "SHLIB_PATH=%s", |
103abc03 | 3163 | getenv("SHLIB_PATH")); |
dd63ebe2 | 3164 | envp[envc ++] = shlib_path; |
2ae14c39 | 3165 | } |
7f0679f5 | 3166 | |
1cf29e95 | 3167 | if (getenv("NLSPATH") != NULL) |
2ae14c39 | 3168 | { |
1cf29e95 | 3169 | snprintf(nlspath, sizeof(nlspath), "NLSPATH=%s", getenv("NLSPATH")); |
1cf29e95 | 3170 | envp[envc ++] = nlspath; |
2ae14c39 | 3171 | } |
3172 | ||
3173 | if (con->http.cookie) | |
3174 | { | |
3175 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
3176 | con->http.cookie); | |
3177 | envp[envc ++] = http_cookie; | |
3178 | } | |
3179 | ||
3180 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
3181 | { | |
3182 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
3183 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
3184 | envp[envc ++] = http_user_agent; | |
3185 | } | |
3186 | ||
3187 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
e420f467 | 3188 | if ((uriptr = strchr(script_name, '?')) != NULL) |
3189 | *uriptr = '\0'; | |
2ae14c39 | 3190 | envp[envc ++] = script_name; |
1cf29e95 | 3191 | |
b14d90ba | 3192 | if (con->operation == HTTP_GET) |
3193 | { | |
43ed090d | 3194 | for (i = 0; i < argc; i ++) |
3195 | LogMessage(L_DEBUG2, "argv[%d] = \"%s\"", i, argv[i]); | |
df3f73ff | 3196 | envp[envc ++] = "REQUEST_METHOD=GET"; |
f63a2256 | 3197 | |
f6b55e0c | 3198 | if (query_string) |
f63a2256 | 3199 | { |
3200 | /* | |
3201 | * Add GET form variables after ?... | |
3202 | */ | |
3203 | ||
df3f73ff | 3204 | envp[envc ++] = query_string; |
f63a2256 | 3205 | } |
b14d90ba | 3206 | } |
3207 | else | |
3208 | { | |
f63a2256 | 3209 | sprintf(content_length, "CONTENT_LENGTH=%d", con->bytes); |
04de52f8 | 3210 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
970017a4 | 3211 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); |
b14d90ba | 3212 | |
df3f73ff | 3213 | envp[envc ++] = "REQUEST_METHOD=POST"; |
3214 | envp[envc ++] = content_length; | |
3215 | envp[envc ++] = content_type; | |
b14d90ba | 3216 | } |
3217 | ||
30d60919 | 3218 | /* |
3219 | * Tell the CGI if we are using encryption... | |
3220 | */ | |
3221 | ||
b92c5a4f | 3222 | if (con->http.encryption == HTTP_ENCRYPT_ALWAYS) |
30d60919 | 3223 | envp[envc ++] = "HTTPS=ON"; |
41d6188e | 3224 | |
3225 | envp[envc ++] = (char *)encryptions[LocalEncryption]; | |
3226 | ||
3227 | /* | |
3228 | * Terminate the environment array... | |
3229 | */ | |
30d60919 | 3230 | |
df3f73ff | 3231 | envp[envc] = NULL; |
3232 | ||
2ae14c39 | 3233 | if (LogLevel == L_DEBUG2) |
3234 | { | |
3235 | for (i = 0; i < argc; i ++) | |
ff346847 | 3236 | LogMessage(L_DEBUG2, "pipe_command: argv[%d] = \"%s\"", i, argv[i]); |
2ae14c39 | 3237 | for (i = 0; i < envc; i ++) |
ff346847 | 3238 | LogMessage(L_DEBUG2, "pipe_command: envp[%d] = \"%s\"", i, envp[i]); |
2ae14c39 | 3239 | } |
3240 | ||
a74b005d | 3241 | /* |
3242 | * Create a pipe for the output... | |
3243 | */ | |
3244 | ||
8650fcf2 | 3245 | if (cupsdOpenPipe(fds)) |
1d6c68fb | 3246 | { |
f6b55e0c | 3247 | ClearString(&query_string); |
3248 | ||
5ea8888e | 3249 | LogMessage(L_ERROR, "Unable to create pipes for CGI %s - %s", |
1d6c68fb | 3250 | argv[0], strerror(errno)); |
a74b005d | 3251 | return (0); |
1d6c68fb | 3252 | } |
a74b005d | 3253 | |
879062a9 | 3254 | /* |
3255 | * Block signals before forking... | |
3256 | */ | |
3257 | ||
38743560 | 3258 | HoldSignals(); |
4d520ad4 | 3259 | |
a74b005d | 3260 | /* |
1d6c68fb | 3261 | * Then execute the command... |
a74b005d | 3262 | */ |
3263 | ||
3264 | if ((pid = fork()) == 0) | |
3265 | { | |
3266 | /* | |
3267 | * Child comes here... Close stdin if necessary and dup the pipe to stdout. | |
3268 | */ | |
3269 | ||
48033118 | 3270 | if (!RunUser) |
5aeb433c | 3271 | { |
3272 | /* | |
753453e4 | 3273 | * Running as root, so change to a non-priviledged user... |
5aeb433c | 3274 | */ |
3275 | ||
3276 | if (setgid(Group)) | |
3277 | exit(errno); | |
3278 | ||
4342fddc | 3279 | if (setgroups(1, &Group)) |
daf8f5f0 | 3280 | exit(errno); |
3281 | ||
5aeb433c | 3282 | if (setuid(User)) |
3283 | exit(errno); | |
3284 | } | |
8914cc4b | 3285 | else |
3286 | { | |
3287 | /* | |
3288 | * Reset group membership to just the main one we belong to. | |
3289 | */ | |
5aeb433c | 3290 | |
4342fddc | 3291 | setgroups(1, &Group); |
8914cc4b | 3292 | } |
5aeb433c | 3293 | |
3294 | /* | |
a9775e85 | 3295 | * Update stdin/stdout/stderr... |
5aeb433c | 3296 | */ |
b14d90ba | 3297 | |
10d8ebcc | 3298 | if (infile > 0) |
a74b005d | 3299 | { |
3300 | close(0); | |
753453e4 | 3301 | if (dup(infile) < 0) |
3302 | exit(errno); | |
a74b005d | 3303 | } |
3304 | ||
3305 | close(1); | |
753453e4 | 3306 | if (dup(fds[1]) < 0) |
3307 | exit(errno); | |
a74b005d | 3308 | |
a9775e85 | 3309 | close(2); |
0a968cfb | 3310 | dup(CGIPipes[1]); |
082b40d2 | 3311 | |
3312 | /* | |
3313 | * Change umask to restrict permissions on created files... | |
3314 | */ | |
3315 | ||
3316 | umask(077); | |
a74b005d | 3317 | |
5f152161 | 3318 | /* |
3319 | * Unblock signals before doing the exec... | |
3320 | */ | |
3321 | ||
3322 | #ifdef HAVE_SIGSET | |
c7a9d594 | 3323 | sigset(SIGTERM, SIG_DFL); |
38743560 | 3324 | sigset(SIGCHLD, SIG_DFL); |
5f152161 | 3325 | #elif defined(HAVE_SIGACTION) |
c7a9d594 | 3326 | memset(&action, 0, sizeof(action)); |
3327 | ||
3328 | sigemptyset(&action.sa_mask); | |
3329 | action.sa_handler = SIG_DFL; | |
3330 | ||
3331 | sigaction(SIGTERM, &action, NULL); | |
38743560 | 3332 | sigaction(SIGCHLD, &action, NULL); |
c7a9d594 | 3333 | #else |
3334 | signal(SIGTERM, SIG_DFL); | |
38743560 | 3335 | signal(SIGCHLD, SIG_DFL); |
5f152161 | 3336 | #endif /* HAVE_SIGSET */ |
3337 | ||
38743560 | 3338 | ReleaseSignals(); |
3339 | ||
a74b005d | 3340 | /* |
3341 | * Execute the pipe program; if an error occurs, exit with status 1... | |
3342 | */ | |
3343 | ||
b14d90ba | 3344 | execve(command, argv, envp); |
96df88bb | 3345 | exit(errno); |
a74b005d | 3346 | return (0); |
3347 | } | |
3348 | else if (pid < 0) | |
3349 | { | |
3350 | /* | |
3351 | * Error - can't fork! | |
3352 | */ | |
3353 | ||
5ea8888e | 3354 | LogMessage(L_ERROR, "Unable to fork for CGI %s - %s", argv[0], |
1d6c68fb | 3355 | strerror(errno)); |
3356 | ||
8650fcf2 | 3357 | cupsdClosePipe(fds); |
5c8eff27 | 3358 | pid = 0; |
a74b005d | 3359 | } |
3360 | else | |
3361 | { | |
3362 | /* | |
3363 | * Fork successful - return the PID... | |
3364 | */ | |
3365 | ||
f63a2256 | 3366 | AddCert(pid, con->username); |
3367 | ||
753453e4 | 3368 | LogMessage(L_DEBUG, "CGI %s started - PID = %d", command, pid); |
1d6c68fb | 3369 | |
a74b005d | 3370 | *outfile = fds[0]; |
3371 | close(fds[1]); | |
5c8eff27 | 3372 | } |
a74b005d | 3373 | |
38743560 | 3374 | ReleaseSignals(); |
4d520ad4 | 3375 | |
f6b55e0c | 3376 | ClearString(&query_string); |
3377 | ||
5c8eff27 | 3378 | return (pid); |
a74b005d | 3379 | } |
3380 | ||
3381 | ||
dcfcaeac | 3382 | #if defined(HAVE_CDSASSL) |
3383 | /* | |
3384 | * 'CDSAReadFunc()' - Read function for CDSA decryption code. | |
3385 | */ | |
3386 | ||
3387 | static OSStatus /* O - -1 on error, 0 on success */ | |
3388 | CDSAReadFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3389 | void *data, /* I - Data buffer */ | |
3390 | size_t *dataLength) /* IO - Number of bytes */ | |
3391 | { | |
3392 | ssize_t bytes; /* Number of bytes read */ | |
3393 | ||
3394 | ||
3395 | bytes = recv((int)connection, data, *dataLength, 0); | |
3396 | if (bytes >= 0) | |
3397 | { | |
3398 | *dataLength = bytes; | |
3399 | return (0); | |
3400 | } | |
3401 | else | |
3402 | return (-1); | |
3403 | } | |
3404 | ||
3405 | ||
3406 | /* | |
3407 | * 'CDSAWriteFunc()' - Write function for CDSA encryption code. | |
3408 | */ | |
3409 | ||
3410 | static OSStatus /* O - -1 on error, 0 on success */ | |
3411 | CDSAWriteFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3412 | const void *data, /* I - Data buffer */ | |
3413 | size_t *dataLength) /* IO - Number of bytes */ | |
3414 | { | |
3415 | ssize_t bytes; | |
3416 | ||
3417 | ||
3418 | bytes = write((int)connection, data, *dataLength); | |
3419 | if (bytes >= 0) | |
3420 | { | |
3421 | *dataLength = bytes; | |
3422 | return (0); | |
3423 | } | |
3424 | else | |
3425 | return (-1); | |
3426 | } | |
3427 | #endif /* HAVE_CDSASSL */ | |
3428 | ||
3429 | ||
93894a43 | 3430 | /* |
98fe75ea | 3431 | * End of "$Id: client.c,v 1.91.2.97 2005/01/03 18:48:04 mike Exp $". |
a74b005d | 3432 | */ |