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a74b005d | 1 | /* |
ff346847 | 2 | * "$Id: client.c,v 1.91.2.91 2004/08/06 13:57:05 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 |
6bb5a528 | 18 | * Hollywood, Maryland 20636-3142 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. |
93894a43 | 42 | * pipe_command() - Pipe the output of a command to the remote client. |
dcfcaeac | 43 | * CDSAReadFunc() - Read function for CDSA decryption code. |
44 | * CDSAWriteFunc() - Write function for CDSA encryption code. | |
a74b005d | 45 | */ |
46 | ||
47 | /* | |
48 | * Include necessary headers... | |
49 | */ | |
50 | ||
3b602493 | 51 | #include <cups/http-private.h> |
a74b005d | 52 | #include "cupsd.h" |
bd917997 | 53 | #include <grp.h> |
54 | ||
a74b005d | 55 | |
56 | /* | |
57 | * Local functions... | |
58 | */ | |
59 | ||
753453e4 | 60 | static int check_if_modified(client_t *con, |
61 | struct stat *filestats); | |
62 | static void decode_auth(client_t *con); | |
6db7190f | 63 | static char *get_file(client_t *con, struct stat *filestats, |
64 | char *filename, int len); | |
753453e4 | 65 | static http_status_t install_conf_file(client_t *con); |
66 | static int pipe_command(client_t *con, int infile, int *outfile, | |
67 | char *command, char *options); | |
a74b005d | 68 | |
dcfcaeac | 69 | #ifdef HAVE_CDSASSL |
df28ec49 | 70 | static OSStatus CDSAReadFunc(SSLConnectionRef connection, void *data, |
dcfcaeac | 71 | size_t *dataLength); |
df28ec49 | 72 | static OSStatus CDSAWriteFunc(SSLConnectionRef connection, |
dcfcaeac | 73 | const void *data, size_t *dataLength); |
74 | #endif /* HAVE_CDSASSL */ | |
75 | ||
a74b005d | 76 | |
77 | /* | |
78 | * 'AcceptClient()' - Accept a new client. | |
79 | */ | |
80 | ||
81 | void | |
82 | AcceptClient(listener_t *lis) /* I - Listener socket */ | |
83 | { | |
27eba2dd | 84 | int i; /* Looping var */ |
1060c9b6 | 85 | int count; /* Count of connections on a host */ |
a74b005d | 86 | int val; /* Parameter value */ |
87 | client_t *con; /* New client pointer */ | |
99de6da0 | 88 | const struct hostent *host; /* Host entry for address */ |
18fe941f | 89 | char *hostname;/* Hostname for address */ |
99de6da0 | 90 | http_addr_t temp; /* Temporary address variable */ |
f0ad8cdc | 91 | static time_t last_dos = 0; |
92 | /* Time of last DoS attack */ | |
a74b005d | 93 | |
94 | ||
6a2cceab | 95 | LogMessage(L_DEBUG2, "AcceptClient(lis=%p) %d NumClients = %d", |
27eba2dd | 96 | lis, lis->fd, NumClients); |
bfa1abf0 | 97 | |
12aa0c1f | 98 | /* |
99 | * Make sure we don't have a full set of clients already... | |
100 | */ | |
101 | ||
102 | if (NumClients == MaxClients) | |
103 | return; | |
104 | ||
a74b005d | 105 | /* |
106 | * Get a pointer to the next available client... | |
107 | */ | |
108 | ||
109 | con = Clients + NumClients; | |
110 | ||
111 | memset(con, 0, sizeof(client_t)); | |
112 | con->http.activity = time(NULL); | |
819347a7 | 113 | con->file = -1; |
a74b005d | 114 | |
115 | /* | |
116 | * Accept the client and get the remote address... | |
117 | */ | |
118 | ||
119 | val = sizeof(struct sockaddr_in); | |
120 | ||
2f6d083c | 121 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)&(con->http.hostaddr), |
122 | &val)) < 0) | |
a74b005d | 123 | { |
27eba2dd | 124 | LogMessage(L_ERROR, "Unable to accept client connection - %s.", |
125 | strerror(errno)); | |
a74b005d | 126 | return; |
127 | } | |
128 | ||
99de6da0 | 129 | #ifdef AF_INET6 |
130 | if (lis->address.addr.sa_family == AF_INET6) | |
131 | con->http.hostaddr.ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
132 | else | |
133 | #endif /* AF_INET6 */ | |
134 | con->http.hostaddr.ipv4.sin_port = lis->address.ipv4.sin_port; | |
a74b005d | 135 | |
1060c9b6 | 136 | /* |
137 | * Check the number of clients on the same address... | |
138 | */ | |
139 | ||
140 | for (i = 0, count = 0; i < NumClients; i ++) | |
141 | if (memcmp(&(Clients[i].http.hostaddr), &(con->http.hostaddr), | |
142 | sizeof(con->http.hostaddr)) == 0) | |
143 | { | |
144 | count ++; | |
145 | if (count >= MaxClientsPerHost) | |
146 | break; | |
147 | } | |
148 | ||
149 | if (count >= MaxClientsPerHost) | |
150 | { | |
f0ad8cdc | 151 | if ((time(NULL) - last_dos) >= 60) |
152 | { | |
153 | last_dos = time(NULL); | |
154 | LogMessage(L_WARN, "Possible DoS attack - more than %d clients connecting from %s!", | |
155 | MaxClientsPerHost, Clients[i].http.hostname); | |
156 | } | |
1060c9b6 | 157 | |
158 | #ifdef WIN32 | |
159 | closesocket(con->http.fd); | |
160 | #else | |
161 | close(con->http.fd); | |
162 | #endif /* WIN32 */ | |
163 | ||
164 | return; | |
165 | } | |
166 | ||
167 | /* | |
168 | * Get the hostname or format the IP address as needed... | |
169 | */ | |
170 | ||
a74b005d | 171 | if (HostNameLookups) |
18fe941f | 172 | hostname = httpAddrLookup(&(con->http.hostaddr), con->http.hostname, |
173 | sizeof(con->http.hostname)); | |
a74b005d | 174 | else |
99de6da0 | 175 | { |
18fe941f | 176 | hostname = NULL; |
99de6da0 | 177 | httpAddrString(&(con->http.hostaddr), con->http.hostname, |
178 | sizeof(con->http.hostname)); | |
179 | } | |
a74b005d | 180 | |
06415a96 | 181 | if (httpAddrLocalhost(&(con->http.hostaddr))) |
182 | { | |
183 | /* | |
184 | * Map accesses from the loopback interface to "localhost"... | |
185 | */ | |
186 | ||
187 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
188 | } | |
189 | else if (httpAddrEqual(&(con->http.hostaddr), &ServerAddr)) | |
2bdd1992 | 190 | { |
191 | /* | |
192 | * Map accesses from the same host to the server name. | |
193 | */ | |
194 | ||
def978d5 | 195 | strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname)); |
2bdd1992 | 196 | } |
27eba2dd | 197 | |
18fe941f | 198 | if (hostname == NULL && HostNameLookups == 2) |
99de6da0 | 199 | { |
200 | /* | |
201 | * Can't have an unresolved IP address with double-lookups enabled... | |
202 | */ | |
27eba2dd | 203 | |
6cd03542 | 204 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
205 | con->http.fd); | |
206 | ||
27eba2dd | 207 | #ifdef WIN32 |
99de6da0 | 208 | closesocket(con->http.fd); |
27eba2dd | 209 | #else |
99de6da0 | 210 | close(con->http.fd); |
27eba2dd | 211 | #endif /* WIN32 */ |
212 | ||
99de6da0 | 213 | LogMessage(L_WARN, "Name lookup failed - connection from %s closed!", |
214 | con->http.hostname); | |
215 | return; | |
27eba2dd | 216 | } |
a74b005d | 217 | |
27eba2dd | 218 | if (HostNameLookups == 2) |
219 | { | |
220 | /* | |
221 | * Do double lookups as needed... | |
222 | */ | |
223 | ||
753453e4 | 224 | if ((host = httpGetHostByName(con->http.hostname)) != NULL) |
27eba2dd | 225 | { |
226 | /* | |
99de6da0 | 227 | * See if the hostname maps to the same IP address... |
27eba2dd | 228 | */ |
229 | ||
99de6da0 | 230 | if (host->h_addrtype != con->http.hostaddr.addr.sa_family) |
27eba2dd | 231 | { |
232 | /* | |
99de6da0 | 233 | * Not the right type of address... |
27eba2dd | 234 | */ |
235 | ||
46490d9d | 236 | host = NULL; |
27eba2dd | 237 | } |
238 | else | |
239 | { | |
240 | /* | |
241 | * Compare all of the addresses against this one... | |
242 | */ | |
243 | ||
46490d9d | 244 | for (i = 0; host->h_addr_list[i]; i ++) |
99de6da0 | 245 | { |
246 | httpAddrLoad(host, 0, i, &temp); | |
247 | ||
248 | if (httpAddrEqual(&(con->http.hostaddr), &temp)) | |
27eba2dd | 249 | break; |
99de6da0 | 250 | } |
27eba2dd | 251 | |
46490d9d | 252 | if (!host->h_addr_list[i]) |
253 | host = NULL; | |
27eba2dd | 254 | } |
255 | } | |
256 | ||
46490d9d | 257 | if (host == NULL) |
27eba2dd | 258 | { |
259 | /* | |
260 | * Can't have a hostname that doesn't resolve to the same IP address | |
261 | * with double-lookups enabled... | |
262 | */ | |
263 | ||
6cd03542 | 264 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
265 | con->http.fd); | |
266 | ||
27eba2dd | 267 | #ifdef WIN32 |
268 | closesocket(con->http.fd); | |
269 | #else | |
270 | close(con->http.fd); | |
271 | #endif /* WIN32 */ | |
272 | ||
273 | LogMessage(L_WARN, "IP lookup failed - connection from %s closed!", | |
274 | con->http.hostname); | |
275 | return; | |
276 | } | |
277 | } | |
278 | ||
99de6da0 | 279 | #ifdef AF_INET6 |
280 | if (con->http.hostaddr.addr.sa_family == AF_INET6) | |
18fe941f | 281 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 282 | con->http.hostname, ntohs(con->http.hostaddr.ipv6.sin6_port)); |
283 | else | |
284 | #endif /* AF_INET6 */ | |
18fe941f | 285 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 286 | con->http.hostname, ntohs(con->http.hostaddr.ipv4.sin_port)); |
a74b005d | 287 | |
9ae34eb7 | 288 | /* |
289 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
290 | * with a slow loopback interface... Since we write large buffers | |
291 | * when sending print files and requests, there shouldn't be any | |
292 | * performance penalty for this... | |
293 | */ | |
294 | ||
295 | val = 1; | |
296 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); | |
297 | ||
e6df8a90 | 298 | #ifdef FD_CLOEXEC |
a74b005d | 299 | /* |
2e32fcdb | 300 | * Close this file on all execs... |
a74b005d | 301 | */ |
302 | ||
e6df8a90 | 303 | fcntl(con->http.fd, F_SETFD, FD_CLOEXEC); |
304 | #endif /* FD_CLOEXEC */ | |
a74b005d | 305 | |
2e32fcdb | 306 | /* |
307 | * Add the socket to the select() input mask. | |
308 | */ | |
309 | ||
18fe941f | 310 | LogMessage(L_DEBUG2, "AcceptClient: Adding fd %d to InputSet...", |
27eba2dd | 311 | con->http.fd); |
f3bc1068 | 312 | FD_SET(con->http.fd, InputSet); |
a74b005d | 313 | |
314 | NumClients ++; | |
315 | ||
316 | /* | |
317 | * Temporarily suspend accept()'s until we lose a client... | |
318 | */ | |
319 | ||
997edb40 | 320 | if (NumClients == MaxClients) |
d236cb49 | 321 | PauseListening(); |
2a0ef17a | 322 | |
bcf61448 | 323 | #ifdef HAVE_SSL |
2a0ef17a | 324 | /* |
0b50ddbc | 325 | * See if we are connecting on a secure port... |
2a0ef17a | 326 | */ |
327 | ||
0b50ddbc | 328 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) |
2a0ef17a | 329 | { |
330 | /* | |
331 | * https connection; go secure... | |
332 | */ | |
333 | ||
b92c5a4f | 334 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; |
335 | ||
2a0ef17a | 336 | EncryptClient(con); |
337 | } | |
bcf61448 | 338 | #endif /* HAVE_SSL */ |
a74b005d | 339 | } |
340 | ||
341 | ||
342 | /* | |
343 | * 'CloseAllClients()' - Close all remote clients immediately. | |
344 | */ | |
345 | ||
346 | void | |
347 | CloseAllClients(void) | |
348 | { | |
349 | while (NumClients > 0) | |
350 | CloseClient(Clients); | |
351 | } | |
352 | ||
353 | ||
354 | /* | |
355 | * 'CloseClient()' - Close a remote client. | |
356 | */ | |
357 | ||
819347a7 | 358 | int /* O - 1 if partial close, 0 if fully closed */ |
a74b005d | 359 | CloseClient(client_t *con) /* I - Client to close */ |
360 | { | |
4cdd993e | 361 | int partial; /* Do partial close for SSL? */ |
dcfcaeac | 362 | #if defined(HAVE_LIBSSL) |
2a0ef17a | 363 | SSL_CTX *context; /* Context for encryption */ |
364 | SSL *conn; /* Connection for encryption */ | |
c3c5af5e | 365 | unsigned long error; /* Error code */ |
dcfcaeac | 366 | #elif defined(HAVE_GNUTLS) |
367 | http_tls_t *conn; /* TLS connection information */ | |
bcf61448 | 368 | int error; /* Error code */ |
dcfcaeac | 369 | gnutls_certificate_server_credentials *credentials; |
370 | /* TLS credentials */ | |
bcf61448 | 371 | #endif /* HAVE_GNUTLS */ |
a74b005d | 372 | |
373 | ||
11009aea | 374 | LogMessage(L_DEBUG, "CloseClient: %d", con->http.fd); |
a74b005d | 375 | |
4cdd993e | 376 | partial = 0; |
fc757c63 | 377 | |
bcf61448 | 378 | #ifdef HAVE_SSL |
2a0ef17a | 379 | /* |
380 | * Shutdown encryption as needed... | |
381 | */ | |
382 | ||
383 | if (con->http.tls) | |
384 | { | |
4cdd993e | 385 | partial = 1; |
386 | ||
dcfcaeac | 387 | # ifdef HAVE_LIBSSL |
2a0ef17a | 388 | conn = (SSL *)(con->http.tls); |
389 | context = SSL_get_SSL_CTX(conn); | |
390 | ||
c3c5af5e | 391 | switch (SSL_shutdown(conn)) |
392 | { | |
393 | case 1 : | |
394 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
395 | break; | |
396 | case -1 : | |
397 | LogMessage(L_ERROR, "CloseClient: Fatal error during SSL shutdown!"); | |
398 | default : | |
399 | while ((error = ERR_get_error()) != 0) | |
400 | LogMessage(L_ERROR, "CloseClient: %s", ERR_error_string(error, NULL)); | |
401 | break; | |
402 | } | |
403 | ||
2a0ef17a | 404 | SSL_CTX_free(context); |
405 | SSL_free(conn); | |
dcfcaeac | 406 | |
407 | # elif defined(HAVE_GNUTLS) | |
bcf61448 | 408 | conn = (http_tls_t *)(con->http.tls); |
409 | credentials = (gnutls_certificate_server_credentials *)(conn->credentials); | |
410 | ||
411 | error = gnutls_bye(conn->session, GNUTLS_SHUT_WR); | |
412 | switch (error) | |
413 | { | |
414 | case GNUTLS_E_SUCCESS: | |
415 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
416 | break; | |
417 | default: | |
418 | LogMessage(L_ERROR, "CloseClient: %s", gnutls_strerror(error)); | |
419 | break; | |
420 | } | |
421 | ||
422 | gnutls_deinit(conn->session); | |
423 | gnutls_certificate_free_credentials(*credentials); | |
424 | free(credentials); | |
425 | free(conn); | |
dcfcaeac | 426 | |
427 | # elif defined(HAVE_CDSASSL) | |
428 | status = SSLClose((SSLContextRef)con->http.tls); | |
429 | SSLDisposeContext((SSLContextRef)con->http.tls); | |
430 | # endif /* HAVE_LIBSSL */ | |
2a0ef17a | 431 | |
432 | con->http.tls = NULL; | |
433 | } | |
dcfcaeac | 434 | #endif /* HAVE_SSL */ |
2a0ef17a | 435 | |
a74b005d | 436 | /* |
437 | * Close the socket and clear the file from the input set for select()... | |
438 | */ | |
439 | ||
4cdd993e | 440 | if (con->http.fd > 0) |
882031b3 | 441 | { |
4cdd993e | 442 | if (partial) |
443 | { | |
444 | /* | |
445 | * Only do a partial close so that the encrypted client gets everything. | |
446 | */ | |
447 | ||
448 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from OutputSet...", | |
449 | con->http.fd); | |
450 | shutdown(con->http.fd, 0); | |
451 | FD_CLR(con->http.fd, OutputSet); | |
452 | } | |
453 | else | |
454 | { | |
455 | /* | |
456 | * Shut the socket down fully... | |
457 | */ | |
458 | ||
459 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from InputSet and OutputSet...", | |
460 | con->http.fd); | |
461 | close(con->http.fd); | |
462 | FD_CLR(con->http.fd, InputSet); | |
463 | FD_CLR(con->http.fd, OutputSet); | |
10d8ebcc | 464 | con->http.fd = -1; |
4cdd993e | 465 | } |
882031b3 | 466 | } |
a74b005d | 467 | |
a74b005d | 468 | if (con->pipe_pid != 0) |
bfa1abf0 | 469 | { |
4cdd993e | 470 | /* |
471 | * Stop any CGI process... | |
472 | */ | |
473 | ||
474 | LogMessage(L_DEBUG2, "CloseClient: %d Killing process ID %d...", | |
475 | con->http.fd, con->pipe_pid); | |
476 | kill(con->pipe_pid, SIGKILL); | |
4cdd993e | 477 | } |
26bb6ac6 | 478 | |
6a2cceab | 479 | if (con->file >= 0) |
480 | { | |
481 | if (FD_ISSET(con->file, InputSet)) | |
482 | { | |
483 | LogMessage(L_DEBUG2, "CloseClient: %d Removing fd %d from InputSet...", | |
484 | con->http.fd, con->file); | |
485 | FD_CLR(con->file, InputSet); | |
486 | } | |
4cdd993e | 487 | |
488 | LogMessage(L_DEBUG2, "CloseClient: %d Closing data file %d.", | |
489 | con->http.fd, con->file); | |
490 | ||
a74b005d | 491 | close(con->file); |
6a2cceab | 492 | con->file = -1; |
a74b005d | 493 | } |
494 | ||
4cdd993e | 495 | if (!partial) |
25135af7 | 496 | { |
4cdd993e | 497 | /* |
498 | * Free memory... | |
499 | */ | |
25135af7 | 500 | |
4cdd993e | 501 | if (con->http.input_set) |
502 | free(con->http.input_set); | |
25135af7 | 503 | |
4cdd993e | 504 | httpClearCookie(HTTP(con)); |
25135af7 | 505 | |
4cdd993e | 506 | ClearString(&con->filename); |
507 | ClearString(&con->command); | |
508 | ClearString(&con->options); | |
26bb6ac6 | 509 | |
4cdd993e | 510 | if (con->request) |
511 | { | |
512 | ippDelete(con->request); | |
513 | con->request = NULL; | |
514 | } | |
26bb6ac6 | 515 | |
4cdd993e | 516 | if (con->response) |
517 | { | |
518 | ippDelete(con->response); | |
519 | con->response = NULL; | |
520 | } | |
a74b005d | 521 | |
4cdd993e | 522 | if (con->language) |
523 | { | |
524 | cupsLangFree(con->language); | |
525 | con->language = NULL; | |
526 | } | |
a74b005d | 527 | |
4cdd993e | 528 | /* |
529 | * Re-enable new client connections if we are going back under the | |
530 | * limit... | |
531 | */ | |
532 | ||
533 | if (NumClients == MaxClients) | |
534 | ResumeListening(); | |
535 | ||
536 | /* | |
537 | * Compact the list of clients as necessary... | |
538 | */ | |
539 | ||
540 | NumClients --; | |
541 | ||
542 | if (con < (Clients + NumClients)) | |
543 | memmove(con, con + 1, (Clients + NumClients - con) * sizeof(client_t)); | |
544 | } | |
819347a7 | 545 | |
546 | return (partial); | |
a74b005d | 547 | } |
548 | ||
549 | ||
a75c006a | 550 | /* |
551 | * 'EncryptClient()' - Enable encryption for the client... | |
552 | */ | |
553 | ||
554 | int /* O - 1 on success, 0 on error */ | |
555 | EncryptClient(client_t *con) /* I - Client to encrypt */ | |
556 | { | |
bcf61448 | 557 | #if defined HAVE_LIBSSL |
a75c006a | 558 | SSL_CTX *context; /* Context for encryption */ |
559 | SSL *conn; /* Connection for encryption */ | |
753453e4 | 560 | unsigned long error; /* Error code */ |
1c6682dd | 561 | |
562 | ||
563 | /* | |
564 | * Create the SSL context and accept the connection... | |
565 | */ | |
566 | ||
bcf61448 | 567 | context = SSL_CTX_new(SSLv23_server_method()); |
568 | ||
569 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); | |
570 | SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM); | |
a75c006a | 571 | |
bcf61448 | 572 | conn = SSL_new(context); |
a75c006a | 573 | |
574 | SSL_set_fd(conn, con->http.fd); | |
575 | if (SSL_accept(conn) != 1) | |
576 | { | |
11009aea | 577 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
578 | con->http.hostname); | |
579 | ||
1c6682dd | 580 | while ((error = ERR_get_error()) != 0) |
581 | LogMessage(L_ERROR, "EncryptClient: %s", ERR_error_string(error, NULL)); | |
582 | ||
a75c006a | 583 | SSL_CTX_free(context); |
584 | SSL_free(conn); | |
585 | return (0); | |
586 | } | |
587 | ||
11009aea | 588 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
589 | con->http.fd, con->http.hostname); | |
590 | ||
bcf61448 | 591 | con->http.tls = conn; |
592 | return (1); | |
dcfcaeac | 593 | |
594 | #elif defined(HAVE_GNUTLS) | |
bcf61448 | 595 | http_tls_t *conn; /* TLS session object */ |
596 | int error; /* Error code */ | |
dcfcaeac | 597 | gnutls_certificate_server_credentials *credentials; |
598 | /* TLS credentials */ | |
bcf61448 | 599 | |
600 | /* | |
601 | * Create the SSL object and perform the SSL handshake... | |
602 | */ | |
603 | ||
604 | conn = (http_tls_t *)malloc(sizeof(gnutls_session)); | |
dcfcaeac | 605 | |
bcf61448 | 606 | if (conn == NULL) |
607 | return (0); | |
dcfcaeac | 608 | |
bcf61448 | 609 | credentials = (gnutls_certificate_server_credentials *) |
dcfcaeac | 610 | malloc(sizeof(gnutls_certificate_server_credentials)); |
bcf61448 | 611 | if (credentials == NULL) |
612 | { | |
11009aea | 613 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
614 | con->http.hostname); | |
615 | LogMessage(L_ERROR, "EncryptClient: %s", strerror(errno)); | |
616 | ||
bcf61448 | 617 | free(conn); |
618 | return (0); | |
619 | } | |
620 | ||
621 | gnutls_certificate_allocate_credentials(credentials); | |
622 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, | |
623 | ServerKey, GNUTLS_X509_FMT_PEM); | |
624 | ||
625 | gnutls_init(&(conn->session), GNUTLS_SERVER); | |
626 | gnutls_set_default_priority(conn->session); | |
627 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
628 | gnutls_transport_set_ptr(conn->session, con->http.fd); | |
629 | ||
630 | error = gnutls_handshake(conn->session); | |
631 | ||
632 | if (error != GNUTLS_E_SUCCESS) | |
633 | { | |
11009aea | 634 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
635 | con->http.hostname); | |
bcf61448 | 636 | LogMessage(L_ERROR, "EncryptClient: %s", gnutls_strerror(error)); |
11009aea | 637 | |
bcf61448 | 638 | gnutls_deinit(conn->session); |
639 | gnutls_certificate_free_credentials(*credentials); | |
640 | free(conn); | |
641 | free(credentials); | |
642 | return (0); | |
643 | } | |
644 | ||
11009aea | 645 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
646 | con->http.fd, con->http.hostname); | |
bcf61448 | 647 | |
648 | conn->credentials = credentials; | |
a75c006a | 649 | con->http.tls = conn; |
650 | return (1); | |
dcfcaeac | 651 | |
652 | #elif defined(HAVE_CDSASSL) | |
653 | OSStatus error; /* Error info */ | |
654 | SSLContextRef conn; /* New connection */ | |
655 | SSLProtocol tryVersion; /* Protocol version */ | |
656 | const char *hostName; /* Local hostname */ | |
657 | int allowExpired; /* Allow expired certificates? */ | |
658 | int allowAnyRoot; /* Allow any root certificate? */ | |
659 | SSLProtocol *negVersion; /* Negotiated protocol version */ | |
660 | SSLCipherSuite *negCipher; /* Negotiated cypher */ | |
661 | CFArrayRef *peerCerts; /* Certificates */ | |
662 | ||
663 | ||
664 | conn = NULL; | |
665 | error = SSLNewContext(true, &conn); | |
666 | allowExpired = 1; | |
667 | allowAnyRoot = 1; | |
668 | ||
669 | if (!error) | |
670 | error = SSLSetIOFuncs(conn, CDSAReadFunc, CDSAWriteFunc); | |
671 | ||
672 | if (!error) | |
673 | error = SSLSetProtocolVersion(conn, kSSLProtocol3); | |
674 | ||
675 | if (!error) | |
676 | error = SSLSetConnection(conn, (SSLConnectionRef)con->http.fd); | |
677 | ||
678 | if (!error) | |
679 | { | |
680 | hostName = ServerName; /* MRS: ??? */ | |
681 | error = SSLSetPeerDomainName(conn, hostName, strlen(hostName) + 1); | |
682 | } | |
683 | ||
684 | /* have to do these options befor setting server certs */ | |
685 | if (!error && allowExpired) | |
686 | error = SSLSetAllowsExpiredCerts(conn, true); | |
687 | ||
688 | if (!error && allowAnyRoot) | |
689 | error = SSLSetAllowsAnyRoot(conn, true); | |
690 | ||
691 | if (!error && ServerCertificatesArray != NULL) | |
692 | error = SSLSetCertificate(conn, ServerCertificatesArray); | |
693 | ||
694 | /* | |
695 | * Perform SSL/TLS handshake | |
696 | */ | |
697 | ||
698 | do | |
699 | { | |
700 | error = SSLHandshake(conn); | |
701 | } | |
702 | while (error == errSSLWouldBlock); | |
703 | ||
704 | if (error) | |
705 | { | |
11009aea | 706 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
707 | con->http.hostname); | |
708 | ||
709 | LogMessage(L_ERROR, "EncryptClient: CDSA error code is %d", error); | |
dcfcaeac | 710 | |
711 | con->http.error = error; | |
712 | con->http.status = HTTP_ERROR; | |
713 | ||
714 | if (conn != NULL) | |
715 | SSLDisposeContext(conn); | |
716 | ||
717 | return (0); | |
718 | } | |
719 | ||
11009aea | 720 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
721 | con->http.fd, con->http.hostname); | |
722 | ||
dcfcaeac | 723 | con->http.tls = conn; |
724 | return (1); | |
725 | ||
a75c006a | 726 | #else |
727 | return (0); | |
bcf61448 | 728 | #endif /* HAVE_GNUTLS */ |
a75c006a | 729 | } |
730 | ||
731 | ||
3721af07 | 732 | /* |
733 | * 'IsCGI()' - Is the resource a CGI script/program? | |
734 | */ | |
735 | ||
736 | int /* O - 1 = CGI, 0 = file */ | |
737 | IsCGI(client_t *con, /* I - Client connection */ | |
738 | const char *filename, /* I - Real filename */ | |
739 | struct stat *filestats, /* I - File information */ | |
740 | mime_type_t *type) /* I - MIME type */ | |
741 | { | |
742 | const char *options; /* Options on URL */ | |
743 | ||
744 | ||
745 | LogMessage(L_DEBUG2, "IsCGI(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n", | |
746 | con, filename, filestats, type ? type->super : "unknown", | |
747 | type ? type->type : "unknown"); | |
748 | ||
749 | /* | |
750 | * Get the options, if any... | |
751 | */ | |
752 | ||
753 | if ((options = strchr(con->uri, '?')) != NULL) | |
754 | options ++; | |
755 | ||
756 | /* | |
757 | * Check for known types... | |
758 | */ | |
759 | ||
a89836ef | 760 | if (!type || strcasecmp(type->super, "application")) |
3721af07 | 761 | { |
762 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
763 | return (0); | |
764 | } | |
765 | ||
766 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
767 | (filestats->st_mode & 0111)) | |
768 | { | |
769 | /* | |
770 | * "application/x-httpd-cgi" is a CGI script. | |
771 | */ | |
772 | ||
773 | SetString(&con->command, filename); | |
774 | ||
775 | filename = strrchr(filename, '/') + 1; /* Filename always absolute */ | |
776 | ||
777 | if (options) | |
778 | SetStringf(&con->options, "%s %s", filename, options); | |
779 | else | |
780 | SetStringf(&con->options, "%s", filename); | |
781 | ||
782 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
783 | con->command, con->options); | |
784 | ||
785 | return (1); | |
786 | } | |
787 | #ifdef HAVE_JAVA | |
788 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
789 | { | |
790 | /* | |
791 | * "application/x-httpd-java" is a Java servlet. | |
792 | */ | |
793 | ||
794 | SetString(&con->command, CUPS_JAVA); | |
795 | ||
796 | if (options) | |
797 | SetStringf(&con->options, "java %s %s", filename, options); | |
798 | else | |
799 | SetStringf(&con->options, "java %s", filename); | |
800 | ||
801 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
802 | con->command, con->options); | |
803 | ||
804 | return (1); | |
805 | } | |
806 | #endif /* HAVE_JAVA */ | |
807 | #ifdef HAVE_PERL | |
808 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
809 | { | |
810 | /* | |
811 | * "application/x-httpd-perl" is a Perl page. | |
812 | */ | |
813 | ||
814 | SetString(&con->command, CUPS_PERL); | |
815 | ||
816 | if (options) | |
817 | SetStringf(&con->options, "perl %s %s", filename, options); | |
818 | else | |
819 | SetStringf(&con->options, "perl %s", filename); | |
820 | ||
821 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
822 | con->command, con->options); | |
823 | ||
824 | return (1); | |
825 | } | |
826 | #endif /* HAVE_PERL */ | |
827 | #ifdef HAVE_PHP | |
828 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
829 | { | |
830 | /* | |
831 | * "application/x-httpd-php" is a PHP page. | |
832 | */ | |
833 | ||
834 | SetString(&con->command, CUPS_PHP); | |
835 | ||
836 | if (options) | |
837 | SetStringf(&con->options, "php %s %s", filename, options); | |
838 | else | |
839 | SetStringf(&con->options, "php %s", filename); | |
840 | ||
841 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
842 | con->command, con->options); | |
843 | ||
844 | return (1); | |
845 | } | |
846 | #endif /* HAVE_PHP */ | |
847 | #ifdef HAVE_PYTHON | |
848 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
849 | { | |
850 | /* | |
851 | * "application/x-httpd-python" is a Python page. | |
852 | */ | |
853 | ||
854 | SetString(&con->command, CUPS_PYTHON); | |
855 | ||
856 | if (options) | |
857 | SetStringf(&con->options, "python %s %s", filename, options); | |
858 | else | |
859 | SetStringf(&con->options, "python %s", filename); | |
860 | ||
861 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
862 | con->command, con->options); | |
863 | ||
864 | return (1); | |
865 | } | |
866 | #endif /* HAVE_PYTHON */ | |
867 | ||
868 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
869 | ||
870 | return (0); | |
871 | } | |
872 | ||
873 | ||
a74b005d | 874 | /* |
875 | * 'ReadClient()' - Read data from a client. | |
876 | */ | |
877 | ||
08c0ff15 | 878 | int /* O - 1 on success, 0 on error */ |
879 | ReadClient(client_t *con) /* I - Client to read from */ | |
a74b005d | 880 | { |
08c0ff15 | 881 | char line[32768], /* Line from client... */ |
882 | operation[64], /* Operation code from socket */ | |
883 | version[64], /* HTTP version number string */ | |
884 | locale[64], /* Locale */ | |
885 | *ptr; /* Pointer into strings */ | |
886 | int major, minor; /* HTTP version numbers */ | |
887 | http_status_t status; /* Transfer status */ | |
888 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
889 | int bytes; /* Number of bytes to POST */ | |
890 | char *filename; /* Name of file for GET/HEAD */ | |
891 | char buf[1024]; /* Buffer for real filename */ | |
892 | struct stat filestats; /* File information */ | |
893 | mime_type_t *type; /* MIME type of file */ | |
894 | printer_t *p; /* Printer */ | |
895 | location_t *best; /* Best match for authentication */ | |
896 | static unsigned request_id = 0; /* Request ID for temp files */ | |
a74b005d | 897 | |
bfa1abf0 | 898 | |
a74b005d | 899 | status = HTTP_CONTINUE; |
900 | ||
11009aea | 901 | LogMessage(L_DEBUG2, "ReadClient: %d, used=%d, file=%d", con->http.fd, |
819347a7 | 902 | con->http.used, con->file); |
55809c6f | 903 | |
901b295d | 904 | if (con->http.error) |
905 | { | |
819347a7 | 906 | LogMessage(L_DEBUG2, "ReadClient: http error seen..."); |
907 | return (CloseClient(con)); | |
901b295d | 908 | } |
909 | ||
a74b005d | 910 | switch (con->http.state) |
911 | { | |
912 | case HTTP_WAITING : | |
913 | /* | |
914 | * See if we've received a request line... | |
915 | */ | |
916 | ||
917 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
93894a43 | 918 | { |
819347a7 | 919 | LogMessage(L_DEBUG2, "ReadClient: httpGets returned EOF..."); |
920 | return (CloseClient(con)); | |
93894a43 | 921 | } |
a74b005d | 922 | |
923 | /* | |
924 | * Ignore blank request lines... | |
925 | */ | |
926 | ||
927 | if (line[0] == '\0') | |
928 | break; | |
929 | ||
930 | /* | |
931 | * Clear other state variables... | |
932 | */ | |
933 | ||
934 | httpClearFields(HTTP(con)); | |
935 | ||
936 | con->http.activity = time(NULL); | |
937 | con->http.version = HTTP_1_0; | |
938 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
939 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
940 | con->http.data_remaining = 0; | |
6a0c519d | 941 | con->operation = HTTP_WAITING; |
942 | con->bytes = 0; | |
6a2cceab | 943 | con->file = -1; |
944 | con->file_ready = 0; | |
a74b005d | 945 | con->pipe_pid = 0; |
946 | con->username[0] = '\0'; | |
947 | con->password[0] = '\0'; | |
948 | con->uri[0] = '\0'; | |
949 | ||
fc757c63 | 950 | ClearString(&con->command); |
951 | ClearString(&con->options); | |
952 | ||
a74b005d | 953 | if (con->language != NULL) |
954 | { | |
955 | cupsLangFree(con->language); | |
956 | con->language = NULL; | |
957 | } | |
958 | ||
959 | /* | |
960 | * Grab the request line... | |
961 | */ | |
962 | ||
970017a4 | 963 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) |
a74b005d | 964 | { |
965 | case 1 : | |
11009aea | 966 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
967 | con->http.hostname); | |
a74b005d | 968 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 969 | return (CloseClient(con)); |
a74b005d | 970 | case 2 : |
971 | con->http.version = HTTP_0_9; | |
972 | break; | |
973 | case 3 : | |
974 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
975 | { | |
11009aea | 976 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
977 | con->http.hostname); | |
a74b005d | 978 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 979 | return (CloseClient(con)); |
a74b005d | 980 | } |
981 | ||
982 | if (major < 2) | |
983 | { | |
984 | con->http.version = (http_version_t)(major * 100 + minor); | |
753453e4 | 985 | if (con->http.version == HTTP_1_1 && KeepAlive) |
a74b005d | 986 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
987 | else | |
988 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
989 | } | |
990 | else | |
991 | { | |
992 | SendError(con, HTTP_NOT_SUPPORTED); | |
819347a7 | 993 | return (CloseClient(con)); |
a74b005d | 994 | } |
995 | break; | |
996 | } | |
997 | ||
f726e5b9 | 998 | /* |
999 | * Handle full URLs in the request line... | |
1000 | */ | |
1001 | ||
38e6ed71 | 1002 | if (con->uri[0] != '/' && strcmp(con->uri, "*")) |
f726e5b9 | 1003 | { |
1004 | char method[HTTP_MAX_URI], /* Method/scheme */ | |
1005 | userpass[HTTP_MAX_URI], /* Username:password */ | |
1006 | hostname[HTTP_MAX_URI], /* Hostname */ | |
1007 | resource[HTTP_MAX_URI]; /* Resource path */ | |
1008 | int port; /* Port number */ | |
1009 | ||
1010 | ||
1011 | /* | |
1012 | * Separate the URI into its components... | |
1013 | */ | |
1014 | ||
1015 | httpSeparate(con->uri, method, userpass, hostname, &port, resource); | |
1016 | ||
1017 | /* | |
1018 | * Only allow URIs with the servername, localhost, or an IP | |
1019 | * address... | |
1020 | */ | |
1021 | ||
1022 | if (strcasecmp(hostname, ServerName) && | |
1023 | strcasecmp(hostname, "localhost") && | |
1024 | !isdigit(hostname[0])) | |
1025 | { | |
1026 | /* | |
1027 | * Nope, we don't do proxies... | |
1028 | */ | |
1029 | ||
1030 | LogMessage(L_ERROR, "Bad URI \"%s\" in request!", con->uri); | |
1031 | SendError(con, HTTP_METHOD_NOT_ALLOWED); | |
819347a7 | 1032 | return (CloseClient(con)); |
f726e5b9 | 1033 | } |
1034 | ||
1035 | /* | |
1036 | * Copy the resource portion back into the URI; both resource and | |
1037 | * con->uri are HTTP_MAX_URI bytes in size... | |
1038 | */ | |
1039 | ||
1040 | strcpy(con->uri, resource); | |
1041 | } | |
1042 | ||
a74b005d | 1043 | /* |
1044 | * Process the request... | |
1045 | */ | |
1046 | ||
1047 | if (strcmp(operation, "GET") == 0) | |
1048 | con->http.state = HTTP_GET; | |
1049 | else if (strcmp(operation, "PUT") == 0) | |
1050 | con->http.state = HTTP_PUT; | |
1051 | else if (strcmp(operation, "POST") == 0) | |
1052 | con->http.state = HTTP_POST; | |
1053 | else if (strcmp(operation, "DELETE") == 0) | |
1054 | con->http.state = HTTP_DELETE; | |
1055 | else if (strcmp(operation, "TRACE") == 0) | |
1056 | con->http.state = HTTP_TRACE; | |
a74b005d | 1057 | else if (strcmp(operation, "OPTIONS") == 0) |
1058 | con->http.state = HTTP_OPTIONS; | |
1059 | else if (strcmp(operation, "HEAD") == 0) | |
1060 | con->http.state = HTTP_HEAD; | |
1061 | else | |
1062 | { | |
434ddc80 | 1063 | LogMessage(L_ERROR, "Bad operation \"%s\"!", operation); |
a74b005d | 1064 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 1065 | return (CloseClient(con)); |
a74b005d | 1066 | } |
1067 | ||
6a0c519d | 1068 | con->start = time(NULL); |
1069 | con->operation = con->http.state; | |
1070 | ||
11009aea | 1071 | LogMessage(L_DEBUG, "ReadClient: %d %s %s HTTP/%d.%d", con->http.fd, |
4a64fdb7 | 1072 | operation, con->uri, |
1073 | con->http.version / 100, con->http.version % 100); | |
a74b005d | 1074 | |
1075 | con->http.status = HTTP_OK; | |
a74b005d | 1076 | |
8f85ff77 | 1077 | case HTTP_OPTIONS : |
a74b005d | 1078 | case HTTP_DELETE : |
1079 | case HTTP_GET : | |
1080 | case HTTP_HEAD : | |
1081 | case HTTP_POST : | |
1082 | case HTTP_PUT : | |
1083 | case HTTP_TRACE : | |
1084 | /* | |
1085 | * Parse incoming parameters until the status changes... | |
1086 | */ | |
1087 | ||
1088 | status = httpUpdate(HTTP(con)); | |
1089 | ||
1090 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
1091 | { | |
1092 | SendError(con, HTTP_BAD_REQUEST); | |
819347a7 | 1093 | return (CloseClient(con)); |
a74b005d | 1094 | } |
1095 | break; | |
d21a7597 | 1096 | |
1097 | default : | |
1098 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 1099 | } |
1100 | ||
1101 | /* | |
1102 | * Handle new transfers... | |
1103 | */ | |
1104 | ||
1105 | if (status == HTTP_OK) | |
1106 | { | |
5a617005 | 1107 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) |
08c0ff15 | 1108 | { |
1109 | /* | |
1110 | * Figure out the locale from the Accept-Language and Content-Type | |
1111 | * fields... | |
1112 | */ | |
1113 | ||
1114 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL) | |
1115 | *ptr = '\0'; | |
1116 | ||
1117 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL) | |
1118 | *ptr = '\0'; | |
1119 | ||
1120 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL) | |
1121 | { | |
1122 | /* | |
1123 | * Combine language and charset, and trim any extra params in the | |
1124 | * content-type. | |
1125 | */ | |
1126 | ||
1127 | snprintf(locale, sizeof(locale), "%s.%s", | |
1128 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8); | |
1129 | ||
1130 | if ((ptr = strchr(locale, ',')) != NULL) | |
1131 | *ptr = '\0'; | |
1132 | } | |
1133 | else | |
1134 | snprintf(locale, sizeof(locale), "%s.%s", | |
1135 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset); | |
1136 | ||
1137 | con->language = cupsLangGet(locale); | |
1138 | } | |
5a617005 | 1139 | else |
08c0ff15 | 1140 | con->language = cupsLangGet(DefaultLocale); |
a74b005d | 1141 | |
d2122fde | 1142 | decode_auth(con); |
a74b005d | 1143 | |
753453e4 | 1144 | if (strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) == 0 && |
1145 | KeepAlive) | |
b1ac1113 | 1146 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
1147 | ||
a74b005d | 1148 | if (con->http.fields[HTTP_FIELD_HOST][0] == '\0' && |
d558743f | 1149 | con->http.version >= HTTP_1_1) |
a74b005d | 1150 | { |
d558743f | 1151 | /* |
1152 | * HTTP/1.1 and higher require the "Host:" field... | |
1153 | */ | |
1154 | ||
a74b005d | 1155 | if (!SendError(con, HTTP_BAD_REQUEST)) |
819347a7 | 1156 | return (CloseClient(con)); |
a74b005d | 1157 | } |
8f85ff77 | 1158 | else if (con->operation == HTTP_OPTIONS) |
1159 | { | |
1160 | /* | |
1161 | * Do OPTIONS command... | |
1162 | */ | |
1163 | ||
753453e4 | 1164 | if ((best = FindBest(con->uri, con->http.state)) != NULL && |
8f85ff77 | 1165 | best->type != AUTH_NONE) |
1166 | { | |
1167 | if (!SendHeader(con, HTTP_UNAUTHORIZED, NULL)) | |
819347a7 | 1168 | return (CloseClient(con)); |
8f85ff77 | 1169 | } |
a75c006a | 1170 | |
b5cb0608 | 1171 | if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 && |
a75c006a | 1172 | con->http.tls == NULL) |
8f85ff77 | 1173 | { |
bcf61448 | 1174 | #ifdef HAVE_SSL |
a75c006a | 1175 | /* |
1176 | * Do encryption stuff... | |
1177 | */ | |
1178 | ||
b38fb7fc | 1179 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1180 | return (CloseClient(con)); |
a75c006a | 1181 | |
1182 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
b5cb0608 | 1183 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1184 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
a75c006a | 1185 | httpPrintf(HTTP(con), "\r\n"); |
1186 | ||
1187 | EncryptClient(con); | |
1188 | #else | |
1189 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1190 | return (CloseClient(con)); |
bcf61448 | 1191 | #endif /* HAVE_SSL */ |
a75c006a | 1192 | } |
1193 | ||
65c098da | 1194 | if (con->http.expect) |
1195 | { | |
1196 | /**** TODO: send expected header ****/ | |
1197 | } | |
1198 | ||
a75c006a | 1199 | if (!SendHeader(con, HTTP_OK, NULL)) |
819347a7 | 1200 | return (CloseClient(con)); |
8f85ff77 | 1201 | |
753453e4 | 1202 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); |
1c6682dd | 1203 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
8f85ff77 | 1204 | httpPrintf(HTTP(con), "\r\n"); |
1205 | } | |
bd84e0d1 | 1206 | else if (strstr(con->uri, "..") != NULL) |
a74b005d | 1207 | { |
1208 | /* | |
1209 | * Protect against malicious users! | |
1210 | */ | |
1211 | ||
1212 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1213 | return (CloseClient(con)); |
a74b005d | 1214 | } |
b38fb7fc | 1215 | else |
a74b005d | 1216 | { |
b5cb0608 | 1217 | if (strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") == 0 && |
1218 | con->http.tls == NULL) | |
b38fb7fc | 1219 | { |
bcf61448 | 1220 | #ifdef HAVE_SSL |
b38fb7fc | 1221 | /* |
1222 | * Do encryption stuff... | |
1223 | */ | |
f3d580b9 | 1224 | |
b38fb7fc | 1225 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1226 | return (CloseClient(con)); |
f969a074 | 1227 | |
b38fb7fc | 1228 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); |
b5cb0608 | 1229 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1230 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
b38fb7fc | 1231 | httpPrintf(HTTP(con), "\r\n"); |
1232 | ||
1233 | EncryptClient(con); | |
77425121 | 1234 | |
1235 | status = IsAuthorized(con); | |
b38fb7fc | 1236 | #else |
1237 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1238 | return (CloseClient(con)); |
bcf61448 | 1239 | #endif /* HAVE_SSL */ |
b38fb7fc | 1240 | } |
b5cb0608 | 1241 | |
77425121 | 1242 | if (status != HTTP_OK) |
b38fb7fc | 1243 | { |
2d5e06dd | 1244 | LogMessage(L_DEBUG2, "ReadClient: Unauthorized request for %s...\n", |
1245 | con->uri); | |
b38fb7fc | 1246 | SendError(con, status); |
819347a7 | 1247 | return (CloseClient(con)); |
b38fb7fc | 1248 | } |
1249 | ||
65c098da | 1250 | if (con->http.expect) |
1251 | { | |
1252 | /**** TODO: send expected header ****/ | |
1253 | } | |
1254 | ||
b38fb7fc | 1255 | switch (con->http.state) |
1256 | { | |
1257 | case HTTP_GET_SEND : | |
1258 | if (strncmp(con->uri, "/printers/", 10) == 0 && | |
1259 | strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0) | |
2a8fc30c | 1260 | { |
b38fb7fc | 1261 | /* |
1262 | * Send PPD file - get the real printer name since printer | |
1263 | * names are not case sensitive but filenames can be... | |
1264 | */ | |
2a8fc30c | 1265 | |
b38fb7fc | 1266 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
f3d580b9 | 1267 | |
b38fb7fc | 1268 | if ((p = FindPrinter(con->uri + 10)) != NULL) |
1269 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1270 | else | |
1271 | { | |
1272 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1273 | return (CloseClient(con)); |
a74b005d | 1274 | |
b38fb7fc | 1275 | break; |
1276 | } | |
b14d90ba | 1277 | } |
b38fb7fc | 1278 | |
753453e4 | 1279 | if ((strncmp(con->uri, "/admin", 6) == 0 && |
1280 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1281 | strncmp(con->uri, "/printers", 9) == 0 || |
1282 | strncmp(con->uri, "/classes", 8) == 0 || | |
1283 | strncmp(con->uri, "/jobs", 5) == 0) | |
b14d90ba | 1284 | { |
b38fb7fc | 1285 | /* |
1286 | * Send CGI output... | |
1287 | */ | |
1288 | ||
1289 | if (strncmp(con->uri, "/admin", 6) == 0) | |
1290 | { | |
fc757c63 | 1291 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
ff346847 | 1292 | |
1293 | if ((ptr = strchr(con->uri + 6, '?')) != NULL) | |
1294 | SetStringf(&con->options, "admin%s", ptr); | |
1295 | else | |
1296 | SetString(&con->options, "admin"); | |
b38fb7fc | 1297 | } |
1298 | else if (strncmp(con->uri, "/printers", 9) == 0) | |
1299 | { | |
fc757c63 | 1300 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1301 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1302 | } |
1303 | else if (strncmp(con->uri, "/classes", 8) == 0) | |
1304 | { | |
fc757c63 | 1305 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1306 | SetString(&con->options, con->uri + 8); | |
b38fb7fc | 1307 | } |
1308 | else | |
1309 | { | |
fc757c63 | 1310 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
b38fb7fc | 1311 | |
ff346847 | 1312 | if (con->uri[5] == '/') |
1313 | SetString(&con->options, con->uri + 6); | |
1314 | else | |
1315 | SetString(&con->options, con->uri + 5); | |
1316 | } | |
b38fb7fc | 1317 | |
1318 | if (!SendCommand(con, con->command, con->options)) | |
1319 | { | |
1320 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1321 | return (CloseClient(con)); |
b38fb7fc | 1322 | } |
1323 | else | |
1324 | LogRequest(con, HTTP_OK); | |
1325 | ||
1326 | if (con->http.version <= HTTP_1_0) | |
1327 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
b14d90ba | 1328 | } |
753453e4 | 1329 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0 && |
1330 | (strchr(con->uri + 12, '/') != NULL || | |
1331 | strlen(con->uri) == 12)) | |
1332 | { | |
1333 | /* | |
1334 | * GET can only be done to configuration files under | |
1335 | * /admin/conf... | |
1336 | */ | |
1337 | ||
1338 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1339 | return (CloseClient(con)); |
753453e4 | 1340 | |
1341 | break; | |
1342 | } | |
b14d90ba | 1343 | else |
1344 | { | |
b38fb7fc | 1345 | /* |
1346 | * Serve a file... | |
1347 | */ | |
1348 | ||
6db7190f | 1349 | if ((filename = get_file(con, &filestats, buf, |
1350 | sizeof(buf))) == NULL) | |
b38fb7fc | 1351 | { |
1352 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1353 | return (CloseClient(con)); |
e6221033 | 1354 | |
1355 | break; | |
1356 | } | |
1357 | ||
d59a189c | 1358 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1359 | |
1360 | if (IsCGI(con, filename, &filestats, type)) | |
1361 | { | |
f6b55e0c | 1362 | /* |
1363 | * Note: con->command and con->options were set by | |
1364 | * IsCGI()... | |
1365 | */ | |
1366 | ||
e6221033 | 1367 | if (!SendCommand(con, con->command, con->options)) |
1368 | { | |
1369 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1370 | return (CloseClient(con)); |
e6221033 | 1371 | } |
1372 | else | |
1373 | LogRequest(con, HTTP_OK); | |
1374 | ||
1375 | if (con->http.version <= HTTP_1_0) | |
1376 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1377 | break; | |
b38fb7fc | 1378 | } |
e6221033 | 1379 | |
1380 | if (!check_if_modified(con, &filestats)) | |
b38fb7fc | 1381 | { |
1382 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1383 | return (CloseClient(con)); |
b38fb7fc | 1384 | } |
1385 | else | |
1386 | { | |
b38fb7fc | 1387 | if (type == NULL) |
1388 | strcpy(line, "text/plain"); | |
1389 | else | |
1390 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1391 | ||
1392 | if (!SendFile(con, HTTP_OK, filename, line, &filestats)) | |
819347a7 | 1393 | return (CloseClient(con)); |
b38fb7fc | 1394 | } |
b14d90ba | 1395 | } |
b38fb7fc | 1396 | break; |
1397 | ||
1398 | case HTTP_POST_RECV : | |
1399 | /* | |
1400 | * See if the POST request includes a Content-Length field, and if | |
1401 | * so check the length against any limits that are set... | |
1402 | */ | |
b14d90ba | 1403 | |
b38fb7fc | 1404 | LogMessage(L_DEBUG2, "POST %s", con->uri); |
1405 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
b14d90ba | 1406 | |
b38fb7fc | 1407 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && |
1408 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1409 | MaxRequestSize > 0) | |
a74b005d | 1410 | { |
b38fb7fc | 1411 | /* |
1412 | * Request too large... | |
1413 | */ | |
1414 | ||
1415 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1416 | return (CloseClient(con)); |
b38fb7fc | 1417 | |
1418 | break; | |
a74b005d | 1419 | } |
901b295d | 1420 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1421 | { | |
1422 | /* | |
1423 | * Negative content lengths are invalid! | |
1424 | */ | |
1425 | ||
1426 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1427 | return (CloseClient(con)); |
901b295d | 1428 | |
1429 | break; | |
1430 | } | |
a74b005d | 1431 | |
b38fb7fc | 1432 | /* |
1433 | * See what kind of POST request this is; for IPP requests the | |
1434 | * content-type field will be "application/ipp"... | |
a74b005d | 1435 | */ |
1436 | ||
b38fb7fc | 1437 | if (strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "application/ipp") == 0) |
1438 | con->request = ippNew(); | |
753453e4 | 1439 | else if ((strncmp(con->uri, "/admin", 6) == 0 && |
1440 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1441 | strncmp(con->uri, "/printers", 9) == 0 || |
1442 | strncmp(con->uri, "/classes", 8) == 0 || | |
1443 | strncmp(con->uri, "/jobs", 5) == 0) | |
a74b005d | 1444 | { |
b38fb7fc | 1445 | /* |
1446 | * CGI request... | |
1447 | */ | |
1448 | ||
1449 | if (strncmp(con->uri, "/admin", 6) == 0) | |
a74b005d | 1450 | { |
fc757c63 | 1451 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
1452 | SetString(&con->options, con->uri + 6); | |
a74b005d | 1453 | } |
b38fb7fc | 1454 | else if (strncmp(con->uri, "/printers", 9) == 0) |
a74b005d | 1455 | { |
fc757c63 | 1456 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1457 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1458 | } |
1459 | else if (strncmp(con->uri, "/classes", 8) == 0) | |
1460 | { | |
fc757c63 | 1461 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1462 | SetString(&con->options, con->uri + 8); | |
a74b005d | 1463 | } |
e31bfb6e | 1464 | else |
a74b005d | 1465 | { |
fc757c63 | 1466 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
1467 | SetString(&con->options, con->uri + 5); | |
a74b005d | 1468 | } |
8b43895a | 1469 | |
b38fb7fc | 1470 | if (con->options[0] == '/') |
ff40b65e | 1471 | cups_strcpy(con->options, con->options + 1); |
f63a2256 | 1472 | |
11009aea | 1473 | LogMessage(L_DEBUG2, "ReadClient: %d command=\"%s\", options = \"%s\"", |
b38fb7fc | 1474 | con->http.fd, con->command, con->options); |
8b43895a | 1475 | |
b38fb7fc | 1476 | if (con->http.version <= HTTP_1_0) |
1477 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1478 | } | |
e6221033 | 1479 | else |
8b43895a | 1480 | { |
e6221033 | 1481 | /* |
1482 | * POST to a file... | |
1483 | */ | |
1484 | ||
1485 | if ((filename = get_file(con, &filestats, buf, | |
1486 | sizeof(buf))) == NULL) | |
1487 | { | |
1488 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1489 | return (CloseClient(con)); |
e6221033 | 1490 | |
1491 | break; | |
1492 | } | |
1493 | ||
d59a189c | 1494 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1495 | |
1496 | if (!IsCGI(con, filename, &filestats, type)) | |
1497 | { | |
1498 | /* | |
1499 | * Only POST to CGI's... | |
1500 | */ | |
1501 | ||
1502 | if (!SendError(con, HTTP_UNAUTHORIZED)) | |
819347a7 | 1503 | return (CloseClient(con)); |
e6221033 | 1504 | } |
8b43895a | 1505 | } |
8b43895a | 1506 | break; |
b14d90ba | 1507 | |
b38fb7fc | 1508 | case HTTP_PUT_RECV : |
753453e4 | 1509 | /* |
1510 | * Validate the resource name... | |
1511 | */ | |
1512 | ||
1513 | if (strncmp(con->uri, "/admin/conf/", 12) != 0 || | |
1514 | strchr(con->uri + 12, '/') != NULL || | |
1515 | strlen(con->uri) == 12) | |
1516 | { | |
1517 | /* | |
1518 | * PUT can only be done to configuration files under | |
1519 | * /admin/conf... | |
1520 | */ | |
1521 | ||
1522 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1523 | return (CloseClient(con)); |
753453e4 | 1524 | |
1525 | break; | |
1526 | } | |
1527 | ||
1528 | /* | |
1529 | * See if the PUT request includes a Content-Length field, and if | |
1530 | * so check the length against any limits that are set... | |
1531 | */ | |
1532 | ||
1533 | LogMessage(L_DEBUG2, "PUT %s", con->uri); | |
1534 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1535 | ||
1536 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1537 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1538 | MaxRequestSize > 0) | |
1539 | { | |
1540 | /* | |
1541 | * Request too large... | |
1542 | */ | |
1543 | ||
1544 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1545 | return (CloseClient(con)); |
753453e4 | 1546 | |
1547 | break; | |
1548 | } | |
0cd4970e | 1549 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1550 | { | |
1551 | /* | |
1552 | * Negative content lengths are invalid! | |
1553 | */ | |
1554 | ||
1555 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1556 | return (CloseClient(con)); |
0cd4970e | 1557 | |
1558 | break; | |
1559 | } | |
753453e4 | 1560 | |
1561 | /* | |
1562 | * Open a temporary file to hold the request... | |
1563 | */ | |
1564 | ||
fc757c63 | 1565 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
753453e4 | 1566 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
1567 | fchmod(con->file, 0640); | |
48033118 | 1568 | fchown(con->file, RunUser, Group); |
753453e4 | 1569 | |
e6df8a90 | 1570 | #ifdef FD_CLOEXEC |
1571 | /* | |
1572 | * Close this file when starting other processes... | |
1573 | */ | |
1574 | ||
1575 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
1576 | #endif /* FD_CLOEXEC */ | |
1577 | ||
11009aea | 1578 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
753453e4 | 1579 | con->filename, con->file); |
1580 | ||
1581 | if (con->file < 0) | |
1582 | { | |
1583 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1584 | return (CloseClient(con)); |
753453e4 | 1585 | } |
1586 | break; | |
1587 | ||
b38fb7fc | 1588 | case HTTP_DELETE : |
1589 | case HTTP_TRACE : | |
1590 | SendError(con, HTTP_NOT_IMPLEMENTED); | |
819347a7 | 1591 | return (CloseClient(con)); |
b14d90ba | 1592 | |
b38fb7fc | 1593 | case HTTP_HEAD : |
d588a92e | 1594 | if (strncmp(con->uri, "/printers/", 10) == 0 && |
b38fb7fc | 1595 | strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0) |
bd84e0d1 | 1596 | { |
b38fb7fc | 1597 | /* |
d588a92e | 1598 | * Send PPD file - get the real printer name since printer |
1599 | * names are not case sensitive but filenames can be... | |
b38fb7fc | 1600 | */ |
a74b005d | 1601 | |
d588a92e | 1602 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
1603 | ||
1604 | if ((p = FindPrinter(con->uri + 10)) != NULL) | |
1605 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1606 | else | |
1607 | { | |
1608 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1609 | return (CloseClient(con)); |
d588a92e | 1610 | |
1611 | break; | |
1612 | } | |
b38fb7fc | 1613 | } |
a74b005d | 1614 | |
753453e4 | 1615 | if ((strncmp(con->uri, "/admin/", 7) == 0 && |
1616 | strncmp(con->uri, "/admin/conf/", 12) != 0) || | |
b38fb7fc | 1617 | strncmp(con->uri, "/printers/", 10) == 0 || |
1618 | strncmp(con->uri, "/classes/", 9) == 0 || | |
1619 | strncmp(con->uri, "/jobs/", 6) == 0) | |
1620 | { | |
1621 | /* | |
1622 | * CGI output... | |
1623 | */ | |
f3d580b9 | 1624 | |
b38fb7fc | 1625 | if (!SendHeader(con, HTTP_OK, "text/html")) |
819347a7 | 1626 | return (CloseClient(con)); |
f3d580b9 | 1627 | |
b38fb7fc | 1628 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1629 | return (CloseClient(con)); |
a74b005d | 1630 | |
b38fb7fc | 1631 | LogRequest(con, HTTP_OK); |
a74b005d | 1632 | } |
753453e4 | 1633 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0 && |
1634 | (strchr(con->uri + 12, '/') != NULL || | |
1635 | strlen(con->uri) == 12)) | |
1636 | { | |
1637 | /* | |
1638 | * HEAD can only be done to configuration files under | |
1639 | * /admin/conf... | |
1640 | */ | |
1641 | ||
1642 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1643 | return (CloseClient(con)); |
753453e4 | 1644 | |
1645 | break; | |
1646 | } | |
6db7190f | 1647 | else if ((filename = get_file(con, &filestats, buf, |
1648 | sizeof(buf))) == NULL) | |
a74b005d | 1649 | { |
b38fb7fc | 1650 | if (!SendHeader(con, HTTP_NOT_FOUND, "text/html")) |
819347a7 | 1651 | return (CloseClient(con)); |
6a0c519d | 1652 | |
b38fb7fc | 1653 | LogRequest(con, HTTP_NOT_FOUND); |
a74b005d | 1654 | } |
b38fb7fc | 1655 | else if (!check_if_modified(con, &filestats)) |
1656 | { | |
1657 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1658 | return (CloseClient(con)); |
6a0c519d | 1659 | |
b38fb7fc | 1660 | LogRequest(con, HTTP_NOT_MODIFIED); |
a74b005d | 1661 | } |
b38fb7fc | 1662 | else |
1663 | { | |
1664 | /* | |
1665 | * Serve a file... | |
1666 | */ | |
6a0c519d | 1667 | |
d59a189c | 1668 | type = mimeFileType(MimeDatabase, filename, NULL); |
b38fb7fc | 1669 | if (type == NULL) |
1670 | strcpy(line, "text/plain"); | |
1671 | else | |
1672 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
a74b005d | 1673 | |
b38fb7fc | 1674 | if (!SendHeader(con, HTTP_OK, line)) |
819347a7 | 1675 | return (CloseClient(con)); |
a74b005d | 1676 | |
b38fb7fc | 1677 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", |
1678 | httpGetDateString(filestats.st_mtime)) < 0) | |
819347a7 | 1679 | return (CloseClient(con)); |
a74b005d | 1680 | |
753453e4 | 1681 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
1682 | (unsigned long)filestats.st_size) < 0) | |
819347a7 | 1683 | return (CloseClient(con)); |
b38fb7fc | 1684 | |
1685 | LogRequest(con, HTTP_OK); | |
a74b005d | 1686 | } |
1687 | ||
b38fb7fc | 1688 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1689 | return (CloseClient(con)); |
6a0c519d | 1690 | |
b38fb7fc | 1691 | con->http.state = HTTP_WAITING; |
1692 | break; | |
a74b005d | 1693 | |
b38fb7fc | 1694 | default : |
1695 | break; /* Anti-compiler-warning-code */ | |
1696 | } | |
a74b005d | 1697 | } |
1698 | } | |
1699 | ||
1700 | /* | |
1701 | * Handle any incoming data... | |
1702 | */ | |
1703 | ||
1704 | switch (con->http.state) | |
1705 | { | |
1706 | case HTTP_PUT_RECV : | |
11009aea | 1707 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
753453e4 | 1708 | con->http.fd, |
1709 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", | |
1710 | con->http.data_remaining, con->file); | |
1711 | ||
1712 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) | |
819347a7 | 1713 | return (CloseClient(con)); |
753453e4 | 1714 | else if (bytes > 0) |
1715 | { | |
1716 | con->bytes += bytes; | |
1717 | ||
11009aea | 1718 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
753453e4 | 1719 | con->http.fd, bytes, con->file); |
1720 | ||
1721 | if (write(con->file, line, bytes) < bytes) | |
1722 | { | |
1723 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", | |
1724 | bytes, con->filename, strerror(errno)); | |
1725 | ||
6cd03542 | 1726 | LogMessage(L_DEBUG2, "ReadClient: Closing data file %d...", |
1727 | con->file); | |
1728 | ||
753453e4 | 1729 | close(con->file); |
6a2cceab | 1730 | con->file = -1; |
753453e4 | 1731 | unlink(con->filename); |
fc757c63 | 1732 | ClearString(&con->filename); |
753453e4 | 1733 | |
1734 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1735 | return (CloseClient(con)); |
753453e4 | 1736 | } |
1737 | } | |
1738 | ||
1739 | if (con->http.state == HTTP_WAITING) | |
1740 | { | |
1741 | /* | |
1742 | * End of file, see how big it is... | |
1743 | */ | |
1744 | ||
1745 | fstat(con->file, &filestats); | |
1746 | ||
11009aea | 1747 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1748 | con->http.fd, con->file, (int)filestats.st_size); |
753453e4 | 1749 | |
1750 | close(con->file); | |
6a2cceab | 1751 | con->file = -1; |
753453e4 | 1752 | |
1753 | if (filestats.st_size > MaxRequestSize && | |
1754 | MaxRequestSize > 0) | |
1755 | { | |
1756 | /* | |
1757 | * Request is too big; remove it and send an error... | |
1758 | */ | |
1759 | ||
11009aea | 1760 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
753453e4 | 1761 | con->http.fd, con->filename); |
1762 | unlink(con->filename); | |
fc757c63 | 1763 | ClearString(&con->filename); |
753453e4 | 1764 | |
1765 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1766 | return (CloseClient(con)); |
753453e4 | 1767 | } |
1768 | ||
1769 | /* | |
1770 | * Install the configuration file... | |
1771 | */ | |
1772 | ||
1773 | status = install_conf_file(con); | |
1774 | ||
1775 | /* | |
1776 | * Return the status to the client... | |
1777 | */ | |
1778 | ||
1779 | if (!SendError(con, status)) | |
819347a7 | 1780 | return (CloseClient(con)); |
753453e4 | 1781 | } |
a74b005d | 1782 | break; |
1783 | ||
1784 | case HTTP_POST_RECV : | |
11009aea | 1785 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
93894a43 | 1786 | con->http.fd, |
a74b005d | 1787 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", |
f63a2256 | 1788 | con->http.data_remaining, con->file); |
a74b005d | 1789 | |
b14d90ba | 1790 | if (con->request != NULL) |
1791 | { | |
1792 | /* | |
1793 | * Grab any request data from the connection... | |
1794 | */ | |
1795 | ||
bd176c9c | 1796 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
1797 | { | |
11009aea | 1798 | LogMessage(L_ERROR, "ReadClient: %d IPP Read Error!", |
bd176c9c | 1799 | con->http.fd); |
3955a26e | 1800 | |
819347a7 | 1801 | SendError(con, HTTP_BAD_REQUEST); |
1802 | return (CloseClient(con)); | |
bd176c9c | 1803 | } |
1804 | else if (ipp_state != IPP_DATA) | |
b14d90ba | 1805 | break; |
68ff4f01 | 1806 | else |
1807 | con->bytes += ippLength(con->request); | |
f63a2256 | 1808 | } |
b14d90ba | 1809 | |
6a2cceab | 1810 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
f63a2256 | 1811 | { |
1812 | /* | |
1813 | * Create a file as needed for the request data... | |
1814 | */ | |
1d2c70a6 | 1815 | |
fc757c63 | 1816 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
f63a2256 | 1817 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
1818 | fchmod(con->file, 0640); | |
48033118 | 1819 | fchown(con->file, RunUser, Group); |
b14d90ba | 1820 | |
e6df8a90 | 1821 | #ifdef FD_CLOEXEC |
1822 | /* | |
1823 | * Close this file when starting other processes... | |
1824 | */ | |
1825 | ||
1826 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
1827 | #endif /* FD_CLOEXEC */ | |
1828 | ||
11009aea | 1829 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
a61a2be6 | 1830 | con->filename, con->file); |
b14d90ba | 1831 | |
f63a2256 | 1832 | if (con->file < 0) |
1833 | { | |
1834 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1835 | return (CloseClient(con)); |
b14d90ba | 1836 | } |
f63a2256 | 1837 | } |
b14d90ba | 1838 | |
bfa1abf0 | 1839 | if (con->http.state != HTTP_POST_SEND) |
a74b005d | 1840 | { |
bfa1abf0 | 1841 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) |
819347a7 | 1842 | return (CloseClient(con)); |
bfa1abf0 | 1843 | else if (bytes > 0) |
1844 | { | |
1845 | con->bytes += bytes; | |
a74b005d | 1846 | |
11009aea | 1847 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
a61a2be6 | 1848 | con->http.fd, bytes, con->file); |
bfa1abf0 | 1849 | |
1850 | if (write(con->file, line, bytes) < bytes) | |
a74b005d | 1851 | { |
a61a2be6 | 1852 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", |
1853 | bytes, con->filename, strerror(errno)); | |
1854 | ||
6cd03542 | 1855 | LogMessage(L_DEBUG2, "ReadClient: Closing file %d...", |
1856 | con->file); | |
1857 | ||
bfa1abf0 | 1858 | close(con->file); |
6a2cceab | 1859 | con->file = -1; |
bfa1abf0 | 1860 | unlink(con->filename); |
fc757c63 | 1861 | ClearString(&con->filename); |
bfa1abf0 | 1862 | |
1863 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1864 | return (CloseClient(con)); |
a74b005d | 1865 | } |
1866 | } | |
6faac3f3 | 1867 | else if (con->http.state == HTTP_POST_RECV) |
819347a7 | 1868 | return (1); /* ??? */ |
bd176c9c | 1869 | else if (con->http.state != HTTP_POST_SEND) |
819347a7 | 1870 | return (CloseClient(con)); |
a74b005d | 1871 | } |
93894a43 | 1872 | |
1873 | if (con->http.state == HTTP_POST_SEND) | |
1874 | { | |
6a2cceab | 1875 | if (con->file >= 0) |
bfa1abf0 | 1876 | { |
8b43895a | 1877 | fstat(con->file, &filestats); |
bd917997 | 1878 | |
11009aea | 1879 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1880 | con->http.fd, con->file, (int)filestats.st_size); |
bd917997 | 1881 | |
bfa1abf0 | 1882 | close(con->file); |
6a2cceab | 1883 | con->file = -1; |
8b43895a | 1884 | |
1885 | if (filestats.st_size > MaxRequestSize && | |
1886 | MaxRequestSize > 0) | |
1887 | { | |
1888 | /* | |
1889 | * Request is too big; remove it and send an error... | |
1890 | */ | |
1891 | ||
11009aea | 1892 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
a61a2be6 | 1893 | con->http.fd, con->filename); |
8b43895a | 1894 | unlink(con->filename); |
fc757c63 | 1895 | ClearString(&con->filename); |
8b43895a | 1896 | |
1897 | if (con->request) | |
1898 | { | |
1899 | /* | |
1900 | * Delete any IPP request data... | |
1901 | */ | |
1902 | ||
1903 | ippDelete(con->request); | |
1904 | con->request = NULL; | |
1905 | } | |
1906 | ||
1907 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1908 | return (CloseClient(con)); |
8b43895a | 1909 | } |
f63a2256 | 1910 | |
fc757c63 | 1911 | if (con->command) |
f63a2256 | 1912 | { |
1913 | if (!SendCommand(con, con->command, con->options)) | |
1914 | { | |
1915 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1916 | return (CloseClient(con)); |
f63a2256 | 1917 | } |
1918 | else | |
1919 | LogRequest(con, HTTP_OK); | |
1920 | } | |
bfa1abf0 | 1921 | } |
93894a43 | 1922 | |
1923 | if (con->request) | |
6e3d4276 | 1924 | return (ProcessIPPRequest(con)); |
93894a43 | 1925 | } |
a74b005d | 1926 | break; |
d21a7597 | 1927 | |
1928 | default : | |
1929 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 1930 | } |
1931 | ||
1932 | if (!con->http.keep_alive && con->http.state == HTTP_WAITING) | |
819347a7 | 1933 | return (CloseClient(con)); |
a74b005d | 1934 | else |
1935 | return (1); | |
1936 | } | |
1937 | ||
1938 | ||
a74b005d | 1939 | /* |
1940 | * 'SendCommand()' - Send output from a command via HTTP. | |
1941 | */ | |
1942 | ||
1943 | int | |
1944 | SendCommand(client_t *con, | |
a74b005d | 1945 | char *command, |
b14d90ba | 1946 | char *options) |
a74b005d | 1947 | { |
f63a2256 | 1948 | int fd; |
1949 | ||
1950 | ||
fc757c63 | 1951 | if (con->filename) |
f63a2256 | 1952 | fd = open(con->filename, O_RDONLY); |
1953 | else | |
1954 | fd = open("/dev/null", O_RDONLY); | |
1955 | ||
1956 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options); | |
1957 | ||
1958 | close(fd); | |
a74b005d | 1959 | |
b5cb0608 | 1960 | LogMessage(L_INFO, "Started \"%s\" (pid=%d)", command, con->pipe_pid); |
1961 | ||
6a2cceab | 1962 | LogMessage(L_DEBUG, "SendCommand: %d file=%d", con->http.fd, con->file); |
a74b005d | 1963 | |
1964 | if (con->pipe_pid == 0) | |
1965 | return (0); | |
1966 | ||
1967 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
1968 | ||
27eba2dd | 1969 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to InputSet...", con->file); |
e668e627 | 1970 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to OutputSet...", |
1971 | con->http.fd); | |
1972 | ||
f3bc1068 | 1973 | FD_SET(con->file, InputSet); |
1974 | FD_SET(con->http.fd, OutputSet); | |
a74b005d | 1975 | |
96df88bb | 1976 | if (!SendHeader(con, HTTP_OK, NULL)) |
a74b005d | 1977 | return (0); |
1978 | ||
1979 | if (con->http.version == HTTP_1_1) | |
1980 | { | |
1981 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
1982 | ||
1983 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) | |
1984 | return (0); | |
1985 | } | |
1986 | ||
6a2cceab | 1987 | con->file_ready = 0; |
13486cb7 | 1988 | con->got_fields = 0; |
1989 | con->field_col = 0; | |
1990 | ||
a74b005d | 1991 | return (1); |
1992 | } | |
1993 | ||
1994 | ||
1995 | /* | |
1996 | * 'SendError()' - Send an error message via HTTP. | |
1997 | */ | |
1998 | ||
1999 | int /* O - 1 if successful, 0 otherwise */ | |
2000 | SendError(client_t *con, /* I - Connection */ | |
2001 | http_status_t code) /* I - Error code */ | |
2002 | { | |
83e740a5 | 2003 | char message[1024]; /* Message for user */ |
a74b005d | 2004 | |
2005 | ||
6a0c519d | 2006 | /* |
2007 | * Put the request in the access_log file... | |
2008 | */ | |
2009 | ||
11009aea | 2010 | LogRequest(con, code); |
6a0c519d | 2011 | |
11009aea | 2012 | LogMessage(L_DEBUG, "SendError: %d code=%d (%s)", con->http.fd, code, |
578b747f | 2013 | httpStatus(code)); |
a61a2be6 | 2014 | |
a74b005d | 2015 | /* |
2016 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2017 | * error messages... | |
2018 | */ | |
2019 | ||
2020 | if (code >= HTTP_BAD_REQUEST) | |
2021 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
2022 | ||
2023 | /* | |
2024 | * Send an error message back to the client. If the error code is a | |
2025 | * 400 or 500 series, make sure the message contains some text, too! | |
2026 | */ | |
2027 | ||
2028 | if (!SendHeader(con, code, NULL)) | |
2029 | return (0); | |
2030 | ||
bcf61448 | 2031 | #ifdef HAVE_SSL |
a75c006a | 2032 | if (code == HTTP_UPGRADE_REQUIRED) |
a75c006a | 2033 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) |
2034 | return (0); | |
2035 | ||
b5cb0608 | 2036 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) |
2037 | return (0); | |
bcf61448 | 2038 | #endif /* HAVE_SSL */ |
a75c006a | 2039 | |
55809c6f | 2040 | if ((con->http.version >= HTTP_1_1 && !con->http.keep_alive) || |
2041 | (code >= HTTP_BAD_REQUEST && code != HTTP_UPGRADE_REQUIRED)) | |
a74b005d | 2042 | { |
2043 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2044 | return (0); | |
2045 | } | |
2046 | ||
2047 | if (code >= HTTP_BAD_REQUEST) | |
2048 | { | |
2049 | /* | |
2050 | * Send a human-readable error message. | |
2051 | */ | |
2052 | ||
04de52f8 | 2053 | snprintf(message, sizeof(message), |
970017a4 | 2054 | "<HTML><HEAD><TITLE>%d %s</TITLE></HEAD>" |
2055 | "<BODY><H1>%s</H1>%s</BODY></HTML>\n", | |
2056 | code, httpStatus(code), httpStatus(code), | |
2057 | con->language ? con->language->messages[code] : | |
2058 | httpStatus(code)); | |
a74b005d | 2059 | |
2060 | if (httpPrintf(HTTP(con), "Content-Type: text/html\r\n") < 0) | |
2061 | return (0); | |
e0ba31cd | 2062 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", |
2063 | (int)strlen(message)) < 0) | |
a74b005d | 2064 | return (0); |
2065 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2066 | return (0); | |
97d73ddb | 2067 | if (httpPrintf(HTTP(con), "%s", message) < 0) |
a74b005d | 2068 | return (0); |
2069 | } | |
2070 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2071 | return (0); | |
2072 | ||
2073 | con->http.state = HTTP_WAITING; | |
2074 | ||
2075 | return (1); | |
2076 | } | |
2077 | ||
2078 | ||
2079 | /* | |
2080 | * 'SendFile()' - Send a file via HTTP. | |
2081 | */ | |
2082 | ||
2083 | int | |
2084 | SendFile(client_t *con, | |
2085 | http_status_t code, | |
2086 | char *filename, | |
2087 | char *type, | |
2088 | struct stat *filestats) | |
2089 | { | |
2090 | con->file = open(filename, O_RDONLY); | |
2091 | ||
11009aea | 2092 | LogMessage(L_DEBUG, "SendFile: %d file=%d", con->http.fd, con->file); |
a74b005d | 2093 | |
2094 | if (con->file < 0) | |
2095 | return (0); | |
2096 | ||
e6df8a90 | 2097 | #ifdef FD_CLOEXEC |
2098 | /* | |
2099 | * Close this file when starting other processes... | |
2100 | */ | |
2101 | ||
2102 | fcntl(con->file, F_SETFD, FD_CLOEXEC); | |
2103 | #endif /* FD_CLOEXEC */ | |
a74b005d | 2104 | |
2105 | con->pipe_pid = 0; | |
2106 | ||
2107 | if (!SendHeader(con, code, type)) | |
2108 | return (0); | |
2109 | ||
2110 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", httpGetDateString(filestats->st_mtime)) < 0) | |
2111 | return (0); | |
753453e4 | 2112 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
2113 | (unsigned long)filestats->st_size) < 0) | |
a74b005d | 2114 | return (0); |
2115 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2116 | return (0); | |
2117 | ||
e668e627 | 2118 | LogMessage(L_DEBUG2, "SendFile: Adding fd %d to OutputSet...", con->http.fd); |
2119 | ||
f3bc1068 | 2120 | FD_SET(con->http.fd, OutputSet); |
a74b005d | 2121 | |
2122 | return (1); | |
2123 | } | |
2124 | ||
2125 | ||
2126 | /* | |
93894a43 | 2127 | * 'SendHeader()' - Send an HTTP request. |
a74b005d | 2128 | */ |
2129 | ||
2130 | int /* O - 1 on success, 0 on failure */ | |
2131 | SendHeader(client_t *con, /* I - Client to send to */ | |
2132 | http_status_t code, /* I - HTTP status code */ | |
2133 | char *type) /* I - MIME type of document */ | |
2134 | { | |
83e740a5 | 2135 | location_t *loc; /* Authentication location */ |
2136 | ||
2137 | ||
a74b005d | 2138 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, |
ffe90a99 | 2139 | con->http.version % 100, code, httpStatus(code)) < 0) |
a74b005d | 2140 | return (0); |
2141 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) | |
2142 | return (0); | |
90ad5874 | 2143 | if (ServerHeader) |
2144 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2145 | return (0); | |
a74b005d | 2146 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) |
2147 | { | |
2148 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2149 | return (0); | |
2150 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", KeepAliveTimeout) < 0) | |
2151 | return (0); | |
2152 | } | |
8f85ff77 | 2153 | if (code == HTTP_METHOD_NOT_ALLOWED) |
9bfcbffc | 2154 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0) |
8f85ff77 | 2155 | return (0); |
2156 | ||
5ea8888e | 2157 | if (code == HTTP_UNAUTHORIZED) |
83e740a5 | 2158 | { |
753453e4 | 2159 | /* |
2160 | * This already succeeded in IsAuthorized... | |
2161 | */ | |
2162 | ||
2163 | loc = FindBest(con->uri, con->http.state); | |
83e740a5 | 2164 | |
753453e4 | 2165 | if (loc->type != AUTH_DIGEST) |
83e740a5 | 2166 | { |
2167 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0) | |
2168 | return (0); | |
2169 | } | |
2170 | else | |
2171 | { | |
2172 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Digest realm=\"CUPS\" " | |
2173 | "nonce=\"%s\"\r\n", con->http.hostname) < 0) | |
2174 | return (0); | |
2175 | } | |
2176 | } | |
a74b005d | 2177 | if (con->language != NULL) |
2178 | { | |
2179 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2180 | con->language->language) < 0) | |
2181 | return (0); | |
2182 | ||
2183 | if (type != NULL) | |
2184 | if (httpPrintf(HTTP(con), "Content-Type: %s; charset=%s\r\n", type, | |
2185 | cupsLangEncoding(con->language)) < 0) | |
2186 | return (0); | |
2187 | } | |
2188 | else if (type != NULL) | |
2189 | if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
2190 | return (0); | |
2191 | ||
2192 | return (1); | |
2193 | } | |
2194 | ||
2195 | ||
0a968cfb | 2196 | /* |
2197 | * 'UpdateCGI()' - Read status messages from CGI scripts and programs. | |
2198 | */ | |
2199 | ||
2200 | void | |
2201 | UpdateCGI(void) | |
2202 | { | |
fd09381d | 2203 | char *ptr, /* Pointer to end of line in buffer */ |
2204 | message[1024]; /* Pointer to message text */ | |
2205 | int loglevel; /* Log level for message */ | |
0a968cfb | 2206 | |
2207 | ||
fd09381d | 2208 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, |
2209 | message, sizeof(message))) != NULL) | |
2210 | if (!strchr(CGIStatusBuffer->buffer, '\n')) | |
2211 | break; | |
0a968cfb | 2212 | |
fd09381d | 2213 | if (ptr == NULL) |
0a968cfb | 2214 | { |
2215 | /* | |
2216 | * Fatal error on pipe - should never happen! | |
2217 | */ | |
2218 | ||
fd09381d | 2219 | LogMessage(L_CRIT, "UpdateCGI: error reading from CGI error pipe - %s", |
0a968cfb | 2220 | strerror(errno)); |
2221 | } | |
2222 | } | |
2223 | ||
2224 | ||
a74b005d | 2225 | /* |
2226 | * 'WriteClient()' - Write data to a client as needed. | |
2227 | */ | |
2228 | ||
ff49100f | 2229 | int /* O - 1 if success, 0 if fail */ |
2230 | WriteClient(client_t *con) /* I - Client connection */ | |
a74b005d | 2231 | { |
ff49100f | 2232 | int bytes; /* Number of bytes written */ |
13486cb7 | 2233 | char buf[HTTP_MAX_BUFFER + 1];/* Data buffer */ |
2234 | char *bufptr; /* Pointer into buffer */ | |
ff49100f | 2235 | ipp_state_t ipp_state; /* IPP state value */ |
a74b005d | 2236 | |
2237 | ||
6a2cceab | 2238 | #ifdef DEBUG |
2239 | LogMessage(L_DEBUG2, "WriteClient(con=%p) %d response=%p, file=%d pipe_pid=%d", | |
2240 | con, con->http.fd, con->response, con->file, con->pipe_pid); | |
2241 | #endif /* DEBUG */ | |
2242 | ||
a74b005d | 2243 | if (con->http.state != HTTP_GET_SEND && |
2244 | con->http.state != HTTP_POST_SEND) | |
2245 | return (1); | |
2246 | ||
ff49100f | 2247 | if (con->response != NULL) |
bfa1abf0 | 2248 | { |
ff49100f | 2249 | ipp_state = ippWrite(&(con->http), con->response); |
2250 | bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA; | |
bfa1abf0 | 2251 | } |
13486cb7 | 2252 | else if ((bytes = read(con->file, buf, HTTP_MAX_BUFFER)) > 0) |
a74b005d | 2253 | { |
6a2cceab | 2254 | #ifdef DEBUG |
2255 | LogMessage(L_DEBUG2, "WriteClient: Read %d bytes from file %d...", | |
2256 | bytes, con->file); | |
2257 | #endif /* DEBUG */ | |
2258 | ||
13486cb7 | 2259 | if (con->pipe_pid && !con->got_fields) |
2260 | { | |
2261 | /* | |
2262 | * Inspect the data for Content-Type and other fields. | |
2263 | */ | |
2264 | ||
2265 | buf[bytes] = '\0'; | |
2266 | ||
2267 | for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++) | |
2268 | if (*bufptr == '\n') | |
2269 | { | |
2270 | /* | |
2271 | * Send line to client... | |
2272 | */ | |
2273 | ||
2274 | if (bufptr > buf && bufptr[-1] == '\r') | |
2275 | bufptr[-1] = '\0'; | |
2276 | *bufptr++ = '\0'; | |
2277 | ||
2278 | httpPrintf(HTTP(con), "%s\r\n", buf); | |
6a2cceab | 2279 | LogMessage(L_DEBUG2, "WriteClient: %d %s", con->http.fd, buf); |
13486cb7 | 2280 | |
2281 | /* | |
2282 | * Update buffer... | |
2283 | */ | |
2284 | ||
2285 | bytes -= (bufptr - buf); | |
6a2cceab | 2286 | memmove(buf, bufptr, bytes + 1); |
13486cb7 | 2287 | bufptr = buf - 1; |
2288 | ||
2289 | /* | |
2290 | * See if the line was empty... | |
2291 | */ | |
2292 | ||
2293 | if (con->field_col == 0) | |
2294 | con->got_fields = 1; | |
2295 | else | |
2296 | con->field_col = 0; | |
2297 | } | |
2298 | else if (*bufptr != '\r') | |
2299 | con->field_col ++; | |
2300 | ||
2301 | if (bytes > 0 && !con->got_fields) | |
2302 | { | |
2303 | /* | |
2304 | * Remaining text needs to go out... | |
2305 | */ | |
2306 | ||
2307 | httpPrintf(HTTP(con), "%s", buf); | |
2308 | ||
2309 | con->http.activity = time(NULL); | |
2310 | return (1); | |
2311 | } | |
2312 | else if (bytes == 0) | |
2313 | { | |
2314 | con->http.activity = time(NULL); | |
2315 | return (1); | |
2316 | } | |
2317 | } | |
2318 | ||
a74b005d | 2319 | if (httpWrite(HTTP(con), buf, bytes) < 0) |
2320 | { | |
2321 | CloseClient(con); | |
2322 | return (0); | |
2323 | } | |
6a0c519d | 2324 | |
2325 | con->bytes += bytes; | |
a74b005d | 2326 | } |
b14d90ba | 2327 | |
2328 | if (bytes <= 0) | |
a74b005d | 2329 | { |
6a0c519d | 2330 | LogRequest(con, HTTP_OK); |
2331 | ||
a74b005d | 2332 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED) |
2333 | { | |
2334 | if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0) | |
2335 | { | |
2336 | CloseClient(con); | |
2337 | return (0); | |
2338 | } | |
2339 | } | |
2340 | ||
96df88bb | 2341 | con->http.state = HTTP_WAITING; |
2342 | ||
6a2cceab | 2343 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from OutputSet...", |
e668e627 | 2344 | con->http.fd); |
2345 | ||
f3bc1068 | 2346 | FD_CLR(con->http.fd, OutputSet); |
a74b005d | 2347 | |
6a2cceab | 2348 | if (con->file >= 0) |
a74b005d | 2349 | { |
6a2cceab | 2350 | if (FD_ISSET(con->file, InputSet)) |
2351 | { | |
2352 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from InputSet...", | |
2353 | con->file); | |
2354 | FD_CLR(con->file, InputSet); | |
2355 | } | |
2356 | ||
bfa1abf0 | 2357 | if (con->pipe_pid) |
96df88bb | 2358 | kill(con->pipe_pid, SIGTERM); |
bfa1abf0 | 2359 | |
bd917997 | 2360 | LogMessage(L_DEBUG2, "WriteClient() %d Closing data file %d.", |
2361 | con->http.fd, con->file); | |
2362 | ||
bfa1abf0 | 2363 | close(con->file); |
6a2cceab | 2364 | con->file = -1; |
96df88bb | 2365 | con->pipe_pid = 0; |
bfa1abf0 | 2366 | } |
a74b005d | 2367 | |
fc757c63 | 2368 | if (con->filename) |
a61a2be6 | 2369 | { |
2370 | LogMessage(L_DEBUG2, "WriteClient() %d Removing temp file %s", | |
bd917997 | 2371 | con->http.fd, con->filename); |
d4c438d4 | 2372 | unlink(con->filename); |
fc757c63 | 2373 | ClearString(&con->filename); |
a61a2be6 | 2374 | } |
d4c438d4 | 2375 | |
b14d90ba | 2376 | if (con->request != NULL) |
2377 | { | |
2378 | ippDelete(con->request); | |
2379 | con->request = NULL; | |
2380 | } | |
2381 | ||
2382 | if (con->response != NULL) | |
2383 | { | |
2384 | ippDelete(con->response); | |
2385 | con->response = NULL; | |
2386 | } | |
96df88bb | 2387 | |
fc757c63 | 2388 | ClearString(&con->command); |
2389 | ClearString(&con->options); | |
2390 | ||
96df88bb | 2391 | if (!con->http.keep_alive) |
2392 | { | |
2393 | CloseClient(con); | |
2394 | return (0); | |
2395 | } | |
a74b005d | 2396 | } |
6a2cceab | 2397 | else |
2398 | { | |
2399 | con->file_ready = 0; | |
2400 | ||
2401 | if (con->pipe_pid && !FD_ISSET(con->file, InputSet)) | |
2402 | { | |
2403 | LogMessage(L_DEBUG2, "WriteClient: Adding fd %d to InputSet...", con->file); | |
2404 | FD_SET(con->file, InputSet); | |
2405 | } | |
2406 | } | |
a74b005d | 2407 | |
997edb40 | 2408 | if (bytes >= 1024) |
6a2cceab | 2409 | LogMessage(L_DEBUG2, "WriteClient: %d %d bytes", con->http.fd, bytes); |
a74b005d | 2410 | |
2411 | con->http.activity = time(NULL); | |
2412 | ||
2413 | return (1); | |
2414 | } | |
2415 | ||
2416 | ||
a74b005d | 2417 | /* |
2418 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2419 | */ | |
2420 | ||
2421 | static int /* O - 1 if modified since */ | |
2422 | check_if_modified(client_t *con, /* I - Client connection */ | |
2423 | struct stat *filestats) /* I - File information */ | |
2424 | { | |
2425 | char *ptr; /* Pointer into field */ | |
2426 | time_t date; /* Time/date value */ | |
2427 | int size; /* Size/length value */ | |
2428 | ||
2429 | ||
2430 | size = 0; | |
2431 | date = 0; | |
2432 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
2433 | ||
2434 | if (*ptr == '\0') | |
2435 | return (1); | |
2436 | ||
11009aea | 2437 | LogMessage(L_DEBUG2, "check_if_modified: %d If-Modified-Since=\"%s\"", |
4a64fdb7 | 2438 | con->http.fd, ptr); |
2439 | ||
a74b005d | 2440 | while (*ptr != '\0') |
2441 | { | |
4a64fdb7 | 2442 | while (isspace(*ptr) || *ptr == ';') |
a74b005d | 2443 | ptr ++; |
2444 | ||
2445 | if (strncasecmp(ptr, "length=", 7) == 0) | |
2446 | { | |
2447 | ptr += 7; | |
2448 | size = atoi(ptr); | |
2449 | ||
2450 | while (isdigit(*ptr)) | |
2451 | ptr ++; | |
2452 | } | |
4a64fdb7 | 2453 | else if (isalpha(*ptr)) |
a74b005d | 2454 | { |
2455 | date = httpGetDateTime(ptr); | |
4a64fdb7 | 2456 | while (*ptr != '\0' && *ptr != ';') |
a74b005d | 2457 | ptr ++; |
2458 | } | |
2459 | } | |
2460 | ||
11009aea | 2461 | LogMessage(L_DEBUG2, "check_if_modified: %d sizes=%d,%d dates=%d,%d", |
aa7e125a | 2462 | con->http.fd, size, (int)filestats->st_size, (int)date, |
2463 | (int)filestats->st_mtime); | |
4a64fdb7 | 2464 | |
a74b005d | 2465 | return ((size != filestats->st_size && size != 0) || |
4a64fdb7 | 2466 | (date < filestats->st_mtime && date != 0) || |
2467 | (size == 0 && date == 0)); | |
a74b005d | 2468 | } |
2469 | ||
2470 | ||
2471 | /* | |
d2122fde | 2472 | * 'decode_auth()' - Decode an authorization string. |
a74b005d | 2473 | */ |
2474 | ||
93894a43 | 2475 | static void |
d2122fde | 2476 | decode_auth(client_t *con) /* I - Client to decode to */ |
a74b005d | 2477 | { |
d2122fde | 2478 | char *s, /* Authorization string */ |
2479 | value[1024]; /* Value string */ | |
2480 | const char *username; /* Certificate username */ | |
a74b005d | 2481 | |
a74b005d | 2482 | |
2483 | /* | |
b0d58d07 | 2484 | * Decode the string... |
a74b005d | 2485 | */ |
2486 | ||
f3d580b9 | 2487 | s = con->http.fields[HTTP_FIELD_AUTHORIZATION]; |
f3d580b9 | 2488 | |
aa7e125a | 2489 | LogMessage(L_DEBUG2, "decode_auth(%p): Authorization string = \"%s\"", |
27eba2dd | 2490 | con, s); |
69f14ebb | 2491 | |
d2122fde | 2492 | if (strncmp(s, "Basic", 5) == 0) |
2493 | { | |
2494 | s += 5; | |
2495 | while (isspace(*s)) | |
2496 | s ++; | |
f3d580b9 | 2497 | |
d2122fde | 2498 | httpDecode64(value, s); |
a74b005d | 2499 | |
d2122fde | 2500 | /* |
2501 | * Pull the username and password out... | |
2502 | */ | |
b0d58d07 | 2503 | |
d2122fde | 2504 | if ((s = strchr(value, ':')) == NULL) |
2505 | { | |
11009aea | 2506 | LogMessage(L_DEBUG, "decode_auth: %d no colon in auth string \"%s\"", |
d2122fde | 2507 | con->http.fd, value); |
2508 | return; | |
2509 | } | |
2510 | ||
2511 | *s++ = '\0'; | |
b0d58d07 | 2512 | |
def978d5 | 2513 | strlcpy(con->username, value, sizeof(con->username)); |
2514 | strlcpy(con->password, s, sizeof(con->password)); | |
d2122fde | 2515 | } |
2516 | else if (strncmp(s, "Local", 5) == 0) | |
2517 | { | |
2518 | s += 5; | |
2519 | while (isspace(*s)) | |
2520 | s ++; | |
b0d58d07 | 2521 | |
d2122fde | 2522 | if ((username = FindCert(s)) != NULL) |
def978d5 | 2523 | strlcpy(con->username, username, sizeof(con->username)); |
d2122fde | 2524 | } |
83e740a5 | 2525 | else if (strncmp(s, "Digest", 5) == 0) |
2526 | { | |
2527 | /* | |
2528 | * Get the username and password from the Digest attributes... | |
2529 | */ | |
2530 | ||
2531 | if (httpGetSubField(&(con->http), HTTP_FIELD_WWW_AUTHENTICATE, "username", | |
2532 | value)) | |
def978d5 | 2533 | strlcpy(con->username, value, sizeof(con->username)); |
83e740a5 | 2534 | |
2535 | if (httpGetSubField(&(con->http), HTTP_FIELD_WWW_AUTHENTICATE, "response", | |
2536 | value)) | |
def978d5 | 2537 | strlcpy(con->password, value, sizeof(con->password) - 1); |
83e740a5 | 2538 | } |
41637133 | 2539 | |
11009aea | 2540 | LogMessage(L_DEBUG2, "decode_auth: %d username=\"%s\"", |
41637133 | 2541 | con->http.fd, con->username); |
a74b005d | 2542 | } |
2543 | ||
2544 | ||
fa84bfc7 | 2545 | static char * /* O - Real filename */ |
2546 | get_file(client_t *con, /* I - Client connection */ | |
2547 | struct stat *filestats, /* O - File information */ | |
2548 | char *filename, /* IO - Filename buffer */ | |
2549 | int len) /* I - Buffer length */ | |
e31bfb6e | 2550 | { |
fa84bfc7 | 2551 | int status; /* Status of filesystem calls */ |
2552 | char *ptr; /* Pointer info filename */ | |
2553 | int plen; /* Remaining length after pointer */ | |
e31bfb6e | 2554 | |
2555 | ||
2556 | /* | |
2557 | * Need to add DocumentRoot global... | |
2558 | */ | |
2559 | ||
f3d580b9 | 2560 | if (strncmp(con->uri, "/ppd/", 5) == 0) |
6db7190f | 2561 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
753453e4 | 2562 | else if (strncmp(con->uri, "/admin/conf/", 12) == 0) |
6db7190f | 2563 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); |
f3d580b9 | 2564 | else if (con->language != NULL) |
6db7190f | 2565 | snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language, |
e31bfb6e | 2566 | con->uri); |
2567 | else | |
6db7190f | 2568 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2569 | |
fa84bfc7 | 2570 | if ((ptr = strchr(filename, '?')) != NULL) |
2571 | *ptr = '\0'; | |
e31bfb6e | 2572 | |
2573 | /* | |
2574 | * Grab the status for this language; if there isn't a language-specific file | |
2575 | * then fallback to the default one... | |
2576 | */ | |
2577 | ||
2578 | if ((status = stat(filename, filestats)) != 0 && con->language != NULL) | |
2579 | { | |
2580 | /* | |
2581 | * Drop the language prefix and try the current directory... | |
2582 | */ | |
2583 | ||
753453e4 | 2584 | if (strncmp(con->uri, "/ppd/", 5) != 0 && |
2585 | strncmp(con->uri, "/admin/conf/", 12) != 0) | |
f3d580b9 | 2586 | { |
6db7190f | 2587 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2588 | |
fa84bfc7 | 2589 | if ((ptr = strchr(filename, '?')) != NULL) |
2590 | *ptr = '\0'; | |
2591 | ||
f3d580b9 | 2592 | status = stat(filename, filestats); |
2593 | } | |
e31bfb6e | 2594 | } |
2595 | ||
2596 | /* | |
2597 | * If we're found a directory, get the index.html file instead... | |
2598 | */ | |
2599 | ||
2600 | if (!status && S_ISDIR(filestats->st_mode)) | |
2601 | { | |
fa84bfc7 | 2602 | if (filename[strlen(filename) - 1] != '/') |
2603 | strlcat(filename, "/", len); | |
e31bfb6e | 2604 | |
fa84bfc7 | 2605 | ptr = filename + strlen(filename); |
2606 | plen = len - (ptr - filename); | |
2607 | ||
2608 | strlcpy(ptr, "index.html", plen); | |
e31bfb6e | 2609 | status = stat(filename, filestats); |
fa84bfc7 | 2610 | |
2611 | #ifdef HAVE_JAVA | |
2612 | if (status) | |
2613 | { | |
2614 | strlcpy(ptr, "index.class", plen); | |
2615 | status = stat(filename, filestats); | |
2616 | } | |
2617 | #endif /* HAVE_JAVA */ | |
2618 | ||
2619 | #ifdef HAVE_PERL | |
2620 | if (status) | |
2621 | { | |
2622 | strlcpy(ptr, "index.pl", plen); | |
2623 | status = stat(filename, filestats); | |
2624 | } | |
2625 | #endif /* HAVE_PERL */ | |
2626 | ||
2627 | #ifdef HAVE_PHP | |
2628 | if (status) | |
2629 | { | |
2630 | strlcpy(ptr, "index.php", plen); | |
2631 | status = stat(filename, filestats); | |
2632 | } | |
2633 | #endif /* HAVE_PHP */ | |
2634 | ||
2635 | #ifdef HAVE_PYTHON | |
2636 | if (status) | |
2637 | { | |
2638 | strlcpy(ptr, "index.pyc", plen); | |
2639 | status = stat(filename, filestats); | |
2640 | } | |
2641 | ||
2642 | if (status) | |
2643 | { | |
2644 | strlcpy(ptr, "index.py", plen); | |
2645 | status = stat(filename, filestats); | |
2646 | } | |
2647 | #endif /* HAVE_PYTHON */ | |
e31bfb6e | 2648 | } |
2649 | ||
11009aea | 2650 | LogMessage(L_DEBUG2, "get_file: %d filename=%s size=%d", |
aa7e125a | 2651 | con->http.fd, filename, status ? -1 : (int)filestats->st_size); |
e31bfb6e | 2652 | |
2653 | if (status) | |
2654 | return (NULL); | |
2655 | else | |
2656 | return (filename); | |
2657 | } | |
2658 | ||
2659 | ||
753453e4 | 2660 | /* |
2661 | * 'install_conf_file()' - Install a configuration file. | |
2662 | */ | |
2663 | ||
2664 | static http_status_t /* O - Status */ | |
2665 | install_conf_file(client_t *con) /* I - Connection */ | |
2666 | { | |
7b0fde61 | 2667 | cups_file_t *in, /* Input file */ |
753453e4 | 2668 | *out; /* Output file */ |
2669 | char buffer[1024]; /* Copy buffer */ | |
2670 | int bytes; /* Number of bytes */ | |
2671 | char conffile[1024], /* Configuration filename */ | |
2672 | newfile[1024], /* New config filename */ | |
2673 | oldfile[1024]; /* Old config filename */ | |
2674 | struct stat confinfo; /* Config file info */ | |
2675 | ||
2676 | ||
2677 | /* | |
2678 | * First construct the filenames... | |
2679 | */ | |
2680 | ||
2681 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
2682 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
2683 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
2684 | ||
2685 | LogMessage(L_INFO, "Installing config file \"%s\"...", conffile); | |
2686 | ||
2687 | /* | |
2688 | * Get the owner, group, and permissions of the configuration file. | |
2689 | * If it doesn't exist, assign it to the User and Group in the | |
2690 | * cupsd.conf file with mode 0640 permissions. | |
2691 | */ | |
2692 | ||
2693 | if (stat(conffile, &confinfo)) | |
2694 | { | |
2695 | confinfo.st_uid = User; | |
2696 | confinfo.st_gid = Group; | |
d59a189c | 2697 | confinfo.st_mode = ConfigFilePerm; |
753453e4 | 2698 | } |
2699 | ||
2700 | /* | |
2701 | * Open the request file and new config file... | |
2702 | */ | |
2703 | ||
7b0fde61 | 2704 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
753453e4 | 2705 | { |
2706 | LogMessage(L_ERROR, "Unable to open request file \"%s\" - %s", | |
2707 | con->filename, strerror(errno)); | |
2708 | return (HTTP_SERVER_ERROR); | |
2709 | } | |
2710 | ||
7b0fde61 | 2711 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) |
753453e4 | 2712 | { |
7b0fde61 | 2713 | cupsFileClose(in); |
753453e4 | 2714 | LogMessage(L_ERROR, "Unable to open config file \"%s\" - %s", |
2715 | newfile, strerror(errno)); | |
2716 | return (HTTP_SERVER_ERROR); | |
2717 | } | |
2718 | ||
7b0fde61 | 2719 | fchmod(cupsFileNumber(out), confinfo.st_mode); |
2720 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
753453e4 | 2721 | |
2722 | /* | |
2723 | * Copy from the request to the new config file... | |
2724 | */ | |
2725 | ||
7b0fde61 | 2726 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) |
2727 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
753453e4 | 2728 | { |
2729 | LogMessage(L_ERROR, "Unable to copy to config file \"%s\" - %s", | |
2730 | newfile, strerror(errno)); | |
2731 | ||
7b0fde61 | 2732 | cupsFileClose(in); |
2733 | cupsFileClose(out); | |
753453e4 | 2734 | unlink(newfile); |
2735 | ||
2736 | return (HTTP_SERVER_ERROR); | |
2737 | } | |
2738 | ||
2739 | /* | |
2740 | * Close the files... | |
2741 | */ | |
2742 | ||
7b0fde61 | 2743 | cupsFileClose(in); |
2744 | if (cupsFileClose(out)) | |
753453e4 | 2745 | { |
2746 | LogMessage(L_ERROR, "Error file closing config file \"%s\" - %s", | |
2747 | newfile, strerror(errno)); | |
2748 | ||
2749 | unlink(newfile); | |
2750 | ||
2751 | return (HTTP_SERVER_ERROR); | |
2752 | } | |
2753 | ||
2754 | /* | |
2755 | * Remove the request file... | |
2756 | */ | |
2757 | ||
2758 | unlink(con->filename); | |
fc757c63 | 2759 | ClearString(&con->filename); |
753453e4 | 2760 | |
2761 | /* | |
2762 | * Unlink the old backup, rename the current config file to the backup | |
2763 | * filename, and rename the new config file to the config file name... | |
2764 | */ | |
2765 | ||
2766 | if (unlink(oldfile)) | |
2767 | if (errno != ENOENT) | |
2768 | { | |
2769 | LogMessage(L_ERROR, "Unable to remove backup config file \"%s\" - %s", | |
2770 | oldfile, strerror(errno)); | |
2771 | ||
2772 | unlink(newfile); | |
2773 | ||
2774 | return (HTTP_SERVER_ERROR); | |
2775 | } | |
2776 | ||
2777 | if (rename(conffile, oldfile)) | |
2778 | if (errno != ENOENT) | |
2779 | { | |
2780 | LogMessage(L_ERROR, "Unable to rename old config file \"%s\" - %s", | |
2781 | conffile, strerror(errno)); | |
2782 | ||
2783 | unlink(newfile); | |
2784 | ||
2785 | return (HTTP_SERVER_ERROR); | |
2786 | } | |
2787 | ||
2788 | if (rename(newfile, conffile)) | |
2789 | { | |
2790 | LogMessage(L_ERROR, "Unable to rename new config file \"%s\" - %s", | |
2791 | newfile, strerror(errno)); | |
2792 | ||
2793 | rename(oldfile, conffile); | |
2794 | unlink(newfile); | |
2795 | ||
2796 | return (HTTP_SERVER_ERROR); | |
2797 | } | |
2798 | ||
2799 | /* | |
2800 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
2801 | */ | |
2802 | ||
2803 | if (strcmp(con->uri, "/admin/conf/cupsd.conf") == 0) | |
53510eae | 2804 | NeedReload = RELOAD_CUPSD; |
2805 | else | |
2806 | NeedReload = RELOAD_ALL; | |
753453e4 | 2807 | |
a782f61f | 2808 | ReloadTime = time(NULL); |
2809 | ||
753453e4 | 2810 | /* |
2811 | * Return that the file was created successfully... | |
2812 | */ | |
2813 | ||
2814 | return (HTTP_CREATED); | |
2815 | } | |
2816 | ||
2817 | ||
a74b005d | 2818 | /* |
2819 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
2820 | */ | |
2821 | ||
879062a9 | 2822 | static int /* O - Process ID */ |
2823 | pipe_command(client_t *con, /* I - Client connection */ | |
2824 | int infile, /* I - Standard input for command */ | |
2825 | int *outfile, /* O - Standard output for command */ | |
2826 | char *command, /* I - Command to run */ | |
2827 | char *options) /* I - Options for command */ | |
a74b005d | 2828 | { |
2ae14c39 | 2829 | int i; /* Looping var */ |
879062a9 | 2830 | int pid; /* Process ID */ |
2831 | char *commptr; /* Command string pointer */ | |
e420f467 | 2832 | char *uriptr; /* URI string pointer */ |
879062a9 | 2833 | int fds[2]; /* Pipe FDs */ |
2834 | int argc; /* Number of arguments */ | |
2835 | int envc; /* Number of environment variables */ | |
2836 | char argbuf[10240], /* Argument buffer */ | |
2837 | *argv[100], /* Argument strings */ | |
2838 | *envp[100]; /* Environment variables */ | |
2ae14c39 | 2839 | char content_length[1024], /* CONTENT_LENGTH environment variable */ |
2840 | content_type[1024], /* CONTENT_TYPE environment variable */ | |
2841 | cups_datadir[1024], /* CUPS_DATADIR environment variable */ | |
2842 | cups_serverroot[1024], /* CUPS_SERVERROOT environment variable */ | |
2843 | http_cookie[1024], /* HTTP_COOKIE environment variable */ | |
2844 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ | |
2845 | ipp_port[1024], /* IPP_PORT environment variable */ | |
2846 | lang[1024], /* LANG environment variable */ | |
2847 | ld_library_path[1024], /* LD_LIBRARY_PATH environment variable */ | |
dd63ebe2 | 2848 | ld_preload[1024], /* LD_PRELOAD environment variable */ |
2849 | dyld_library_path[1024],/* DYLD_LIBRARY_PATH environment variable */ | |
2850 | shlib_path[1024], /* SHLIB_PATH environment variable */ | |
879062a9 | 2851 | nlspath[1024], /* NLSPATH environment variable */ |
f6b55e0c | 2852 | *query_string, /* QUERY_STRING env variable */ |
2ae14c39 | 2853 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
2854 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
2855 | remote_user[1024], /* REMOTE_USER environment variable */ | |
2856 | script_name[1024], /* SCRIPT_NAME environment variable */ | |
2857 | server_name[1024], /* SERVER_NAME environment variable */ | |
2858 | server_port[1024], /* SERVER_PORT environment variable */ | |
ff40b65e | 2859 | tmpdir[1024], /* TMPDIR environment variable */ |
1f4b7b03 | 2860 | vg_args[1024], /* VG_ARGS environment variable */ |
2861 | ld_assume_kernel[1024]; /* LD_ASSUME_KERNEL environment variable */ | |
879062a9 | 2862 | #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET) |
c7a9d594 | 2863 | struct sigaction action; /* POSIX signal handler */ |
879062a9 | 2864 | #endif /* HAVE_SIGACTION && !HAVE_SIGSET */ |
08c0ff15 | 2865 | static const char * const locale_encodings[] = |
2866 | { /* Locale charset names */ | |
2867 | "ASCII", "ISO8859-1", "ISO8859-2", "ISO8859-3", | |
2868 | "ISO8859-4", "ISO8859-5", "ISO8859-6", "ISO8859-7", | |
2869 | "ISO8859-8", "ISO8859-9", "ISO8859-10", "UTF-8", | |
2870 | "ISO8859-13", "ISO8859-14", "ISO8859-15", "CP874", | |
2871 | "CP1250", "CP1251", "CP1252", "CP1253", | |
2872 | "CP1254", "CP1255", "CP1256", "CP1257", | |
2873 | "CP1258", "KOI8R", "KOI8U", "ISO8859-11", | |
2874 | "ISO8859-16", "", "", "", | |
2875 | ||
2876 | "", "", "", "", | |
2877 | "", "", "", "", | |
2878 | "", "", "", "", | |
2879 | "", "", "", "", | |
2880 | "", "", "", "", | |
2881 | "", "", "", "", | |
2882 | "", "", "", "", | |
2883 | "", "", "", "", | |
2884 | ||
2885 | "CP932", "CP936", "CP949", "CP950", | |
2886 | "CP1361", "", "", "", | |
2887 | "", "", "", "", | |
2888 | "", "", "", "", | |
2889 | "", "", "", "", | |
2890 | "", "", "", "", | |
2891 | "", "", "", "", | |
2892 | "", "", "", "", | |
2893 | ||
2894 | "", "", "", "", | |
2895 | "", "", "", "", | |
2896 | "", "", "", "", | |
2897 | "", "", "", "", | |
2898 | "", "", "", "", | |
2899 | "", "", "", "", | |
2900 | "", "", "", "", | |
2901 | "", "", "", "", | |
2902 | ||
2903 | "EUC-CN", "EUC-JP", "EUC-KR", "EUC-TW" | |
2904 | }; | |
41d6188e | 2905 | static const char * const encryptions[] = |
2906 | { | |
2907 | "CUPS_ENCRYPTION=IfRequested", | |
2908 | "CUPS_ENCRYPTION=Never", | |
2909 | "CUPS_ENCRYPTION=Required", | |
2910 | "CUPS_ENCRYPTION=Always" | |
2911 | }; | |
a74b005d | 2912 | |
05e63c18 | 2913 | |
a74b005d | 2914 | /* |
f6b55e0c | 2915 | * Parse a copy of the options string, which is of the form: |
2916 | * | |
2917 | * name argument+argument+argument | |
ff346847 | 2918 | * name?argument+argument+argument |
f6b55e0c | 2919 | * name param=value¶m=value |
ff346847 | 2920 | * name?param=value¶m=value |
f6b55e0c | 2921 | * |
2922 | * If the string contains an "=" character after the initial name, | |
2923 | * then we treat it as a HTTP GET form request and make a copy of | |
2924 | * the remaining string for the environment variable. | |
2925 | * | |
2926 | * The string is always parsed out as command-line arguments, to | |
2927 | * be consistent with Apache... | |
a74b005d | 2928 | */ |
2929 | ||
ff346847 | 2930 | LogMessage(L_DEBUG2, "pipe_command: command=\"%s\", options=\"%s\"", |
2931 | command, options); | |
2932 | ||
def978d5 | 2933 | strlcpy(argbuf, options, sizeof(argbuf)); |
a74b005d | 2934 | |
f6b55e0c | 2935 | argv[0] = argbuf; |
2936 | query_string = NULL; | |
a74b005d | 2937 | |
bfa1abf0 | 2938 | for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++) |
f6b55e0c | 2939 | { |
2940 | /* | |
2941 | * Break arguments whenever we see a + or space... | |
2942 | */ | |
2943 | ||
ff346847 | 2944 | if (*commptr == ' ' || *commptr == '+' || (*commptr == '?' && argc == 1)) |
a74b005d | 2945 | { |
f6b55e0c | 2946 | /* |
2947 | * Terminate the current string and skip trailing whitespace... | |
2948 | */ | |
2949 | ||
a74b005d | 2950 | *commptr++ = '\0'; |
2951 | ||
2952 | while (*commptr == ' ') | |
2953 | commptr ++; | |
2954 | ||
f6b55e0c | 2955 | /* |
2956 | * If we don't have a blank string, save it as another argument... | |
2957 | */ | |
2958 | ||
2959 | if (*commptr) | |
a74b005d | 2960 | { |
2961 | argv[argc] = commptr; | |
2962 | argc ++; | |
2963 | } | |
f6b55e0c | 2964 | else |
2965 | break; | |
da0bffec | 2966 | |
2967 | /* | |
f6b55e0c | 2968 | * If we see an "=" in the remaining string, make a copy of it since |
2969 | * it will be query data... | |
da0bffec | 2970 | */ |
2971 | ||
2972 | if (argc == 2 && strchr(commptr, '=') && con->operation == HTTP_GET) | |
f6b55e0c | 2973 | SetStringf(&query_string, "QUERY_STRING=%s", commptr); |
2974 | ||
2975 | /* | |
2976 | * Don't skip the first non-blank character... | |
2977 | */ | |
da0bffec | 2978 | |
a74b005d | 2979 | commptr --; |
2980 | } | |
da275f55 | 2981 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && |
2982 | isxdigit(commptr[2] & 255)) | |
a74b005d | 2983 | { |
f6b55e0c | 2984 | /* |
2985 | * Convert the %xx notation to the individual character. | |
2986 | */ | |
2987 | ||
a74b005d | 2988 | if (commptr[1] >= '0' && commptr[1] <= '9') |
2989 | *commptr = (commptr[1] - '0') << 4; | |
2990 | else | |
2991 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
2992 | ||
2993 | if (commptr[2] >= '0' && commptr[2] <= '9') | |
2994 | *commptr |= commptr[2] - '0'; | |
2995 | else | |
2996 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
2997 | ||
ff40b65e | 2998 | cups_strcpy(commptr + 1, commptr + 3); |
f6b55e0c | 2999 | |
3000 | /* | |
3001 | * Check for a %00 and break if that is the case... | |
3002 | */ | |
3003 | ||
3004 | if (!*commptr) | |
3005 | break; | |
a74b005d | 3006 | } |
f6b55e0c | 3007 | } |
a74b005d | 3008 | |
3009 | argv[argc] = NULL; | |
3010 | ||
bfa1abf0 | 3011 | if (argv[0][0] == '\0') |
3012 | argv[0] = strrchr(command, '/') + 1; | |
b14d90ba | 3013 | |
3014 | /* | |
3015 | * Setup the environment variables as needed... | |
3016 | */ | |
3017 | ||
08c0ff15 | 3018 | if (con->language) |
3019 | snprintf(lang, sizeof(lang), "LANG=%s.%s", con->language->language, | |
3020 | locale_encodings[con->language->encoding]); | |
3021 | else | |
3022 | strcpy(lang, "LANG=C"); | |
3023 | ||
0f71c41e | 3024 | sprintf(ipp_port, "IPP_PORT=%d", LocalPort); |
99de6da0 | 3025 | #ifdef AF_INET6 |
3026 | if (con->http.hostaddr.addr.sa_family == AF_INET6) | |
99de6da0 | 3027 | sprintf(server_port, "SERVER_PORT=%d", |
3028 | ntohs(con->http.hostaddr.ipv6.sin6_port)); | |
99de6da0 | 3029 | else |
3030 | #endif /* AF_INET6 */ | |
99de6da0 | 3031 | sprintf(server_port, "SERVER_PORT=%d", |
3032 | ntohs(con->http.hostaddr.ipv4.sin_port)); | |
99de6da0 | 3033 | |
c5d918d8 | 3034 | if (strcmp(con->http.hostname, "localhost") == 0) |
3035 | strlcpy(server_name, "SERVER_NAME=localhost", sizeof(server_name)); | |
3036 | else | |
3037 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", ServerName); | |
04de52f8 | 3038 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", con->http.hostname); |
2ae14c39 | 3039 | strcpy(remote_addr, "REMOTE_ADDR="); |
3040 | httpAddrString(&(con->http.hostaddr), remote_addr + 12, | |
3041 | sizeof(remote_addr) - 12); | |
04de52f8 | 3042 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); |
3043 | snprintf(tmpdir, sizeof(tmpdir), "TMPDIR=%s", TempDir); | |
2ae14c39 | 3044 | snprintf(cups_datadir, sizeof(cups_datadir), "CUPS_DATADIR=%s", DataDir); |
3045 | snprintf(cups_serverroot, sizeof(cups_serverroot), "CUPS_SERVERROOT=%s", ServerRoot); | |
3046 | ||
3047 | envc = 0; | |
3048 | ||
3049 | envp[envc ++] = "PATH=/bin:/usr/bin"; | |
3050 | envp[envc ++] = "SERVER_SOFTWARE=CUPS/1.1"; | |
3051 | envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1"; | |
3052 | if (con->http.version == HTTP_1_1) | |
3053 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
3054 | else if (con->http.version == HTTP_1_0) | |
3055 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
3056 | else | |
3057 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
3058 | envp[envc ++] = "REDIRECT_STATUS=1"; | |
ff40b65e | 3059 | envp[envc ++] = "CUPS_SERVER=localhost"; |
2ae14c39 | 3060 | envp[envc ++] = ipp_port; |
3061 | envp[envc ++] = server_name; | |
3062 | envp[envc ++] = server_port; | |
3063 | envp[envc ++] = remote_addr; | |
3064 | envp[envc ++] = remote_host; | |
3065 | envp[envc ++] = remote_user; | |
3066 | envp[envc ++] = lang; | |
3067 | envp[envc ++] = TZ; | |
3068 | envp[envc ++] = tmpdir; | |
3069 | envp[envc ++] = cups_datadir; | |
3070 | envp[envc ++] = cups_serverroot; | |
df3f73ff | 3071 | |
ff40b65e | 3072 | if (getenv("VG_ARGS") != NULL) |
3073 | { | |
3074 | snprintf(vg_args, sizeof(vg_args), "VG_ARGS=%s", getenv("VG_ARGS")); | |
3075 | envp[envc ++] = vg_args; | |
3076 | } | |
3077 | ||
1f4b7b03 | 3078 | if (getenv("LD_ASSUME_KERNEL") != NULL) |
3079 | { | |
3080 | snprintf(ld_assume_kernel, sizeof(ld_assume_kernel), "LD_ASSUME_KERNEL=%s", | |
3081 | getenv("LD_ASSUME_KERNEL")); | |
3082 | envp[envc ++] = ld_assume_kernel; | |
3083 | } | |
3084 | ||
df3f73ff | 3085 | if (getenv("LD_LIBRARY_PATH") != NULL) |
2ae14c39 | 3086 | { |
3087 | snprintf(ld_library_path, sizeof(ld_library_path), "LD_LIBRARY_PATH=%s", | |
1cf29e95 | 3088 | getenv("LD_LIBRARY_PATH")); |
2ae14c39 | 3089 | envp[envc ++] = ld_library_path; |
3090 | } | |
dd63ebe2 | 3091 | |
3092 | if (getenv("LD_PRELOAD") != NULL) | |
3093 | { | |
3094 | snprintf(ld_preload, sizeof(ld_preload), "LD_PRELOAD=%s", | |
3095 | getenv("LD_PRELOAD")); | |
3096 | envp[envc ++] = ld_preload; | |
3097 | } | |
3098 | ||
3099 | if (getenv("DYLD_LIBRARY_PATH") != NULL) | |
2ae14c39 | 3100 | { |
dd63ebe2 | 3101 | snprintf(dyld_library_path, sizeof(dyld_library_path), "DYLD_LIBRARY_PATH=%s", |
1cf29e95 | 3102 | getenv("DYLD_LIBRARY_PATH")); |
dd63ebe2 | 3103 | envp[envc ++] = dyld_library_path; |
2ae14c39 | 3104 | } |
dd63ebe2 | 3105 | |
3106 | if (getenv("SHLIB_PATH") != NULL) | |
2ae14c39 | 3107 | { |
dd63ebe2 | 3108 | snprintf(shlib_path, sizeof(shlib_path), "SHLIB_PATH=%s", |
103abc03 | 3109 | getenv("SHLIB_PATH")); |
dd63ebe2 | 3110 | envp[envc ++] = shlib_path; |
2ae14c39 | 3111 | } |
7f0679f5 | 3112 | |
1cf29e95 | 3113 | if (getenv("NLSPATH") != NULL) |
2ae14c39 | 3114 | { |
1cf29e95 | 3115 | snprintf(nlspath, sizeof(nlspath), "NLSPATH=%s", getenv("NLSPATH")); |
1cf29e95 | 3116 | envp[envc ++] = nlspath; |
2ae14c39 | 3117 | } |
3118 | ||
3119 | if (con->http.cookie) | |
3120 | { | |
3121 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
3122 | con->http.cookie); | |
3123 | envp[envc ++] = http_cookie; | |
3124 | } | |
3125 | ||
3126 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
3127 | { | |
3128 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
3129 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
3130 | envp[envc ++] = http_user_agent; | |
3131 | } | |
3132 | ||
3133 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
e420f467 | 3134 | if ((uriptr = strchr(script_name, '?')) != NULL) |
3135 | *uriptr = '\0'; | |
2ae14c39 | 3136 | envp[envc ++] = script_name; |
1cf29e95 | 3137 | |
b14d90ba | 3138 | if (con->operation == HTTP_GET) |
3139 | { | |
43ed090d | 3140 | for (i = 0; i < argc; i ++) |
3141 | LogMessage(L_DEBUG2, "argv[%d] = \"%s\"", i, argv[i]); | |
df3f73ff | 3142 | envp[envc ++] = "REQUEST_METHOD=GET"; |
f63a2256 | 3143 | |
f6b55e0c | 3144 | if (query_string) |
f63a2256 | 3145 | { |
3146 | /* | |
3147 | * Add GET form variables after ?... | |
3148 | */ | |
3149 | ||
df3f73ff | 3150 | envp[envc ++] = query_string; |
f63a2256 | 3151 | } |
b14d90ba | 3152 | } |
3153 | else | |
3154 | { | |
f63a2256 | 3155 | sprintf(content_length, "CONTENT_LENGTH=%d", con->bytes); |
04de52f8 | 3156 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
970017a4 | 3157 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); |
b14d90ba | 3158 | |
df3f73ff | 3159 | envp[envc ++] = "REQUEST_METHOD=POST"; |
3160 | envp[envc ++] = content_length; | |
3161 | envp[envc ++] = content_type; | |
b14d90ba | 3162 | } |
3163 | ||
30d60919 | 3164 | /* |
3165 | * Tell the CGI if we are using encryption... | |
3166 | */ | |
3167 | ||
b92c5a4f | 3168 | if (con->http.encryption == HTTP_ENCRYPT_ALWAYS) |
30d60919 | 3169 | envp[envc ++] = "HTTPS=ON"; |
41d6188e | 3170 | |
3171 | envp[envc ++] = (char *)encryptions[LocalEncryption]; | |
3172 | ||
3173 | /* | |
3174 | * Terminate the environment array... | |
3175 | */ | |
30d60919 | 3176 | |
df3f73ff | 3177 | envp[envc] = NULL; |
3178 | ||
2ae14c39 | 3179 | if (LogLevel == L_DEBUG2) |
3180 | { | |
3181 | for (i = 0; i < argc; i ++) | |
ff346847 | 3182 | LogMessage(L_DEBUG2, "pipe_command: argv[%d] = \"%s\"", i, argv[i]); |
2ae14c39 | 3183 | for (i = 0; i < envc; i ++) |
ff346847 | 3184 | LogMessage(L_DEBUG2, "pipe_command: envp[%d] = \"%s\"", i, envp[i]); |
2ae14c39 | 3185 | } |
3186 | ||
a74b005d | 3187 | /* |
3188 | * Create a pipe for the output... | |
3189 | */ | |
3190 | ||
3191 | if (pipe(fds)) | |
1d6c68fb | 3192 | { |
f6b55e0c | 3193 | ClearString(&query_string); |
3194 | ||
5ea8888e | 3195 | LogMessage(L_ERROR, "Unable to create pipes for CGI %s - %s", |
1d6c68fb | 3196 | argv[0], strerror(errno)); |
a74b005d | 3197 | return (0); |
1d6c68fb | 3198 | } |
a74b005d | 3199 | |
879062a9 | 3200 | /* |
3201 | * Block signals before forking... | |
3202 | */ | |
3203 | ||
38743560 | 3204 | HoldSignals(); |
4d520ad4 | 3205 | |
a74b005d | 3206 | /* |
1d6c68fb | 3207 | * Then execute the command... |
a74b005d | 3208 | */ |
3209 | ||
3210 | if ((pid = fork()) == 0) | |
3211 | { | |
3212 | /* | |
3213 | * Child comes here... Close stdin if necessary and dup the pipe to stdout. | |
3214 | */ | |
3215 | ||
48033118 | 3216 | if (!RunUser) |
5aeb433c | 3217 | { |
3218 | /* | |
753453e4 | 3219 | * Running as root, so change to a non-priviledged user... |
5aeb433c | 3220 | */ |
3221 | ||
3222 | if (setgid(Group)) | |
3223 | exit(errno); | |
3224 | ||
4342fddc | 3225 | if (setgroups(1, &Group)) |
daf8f5f0 | 3226 | exit(errno); |
3227 | ||
5aeb433c | 3228 | if (setuid(User)) |
3229 | exit(errno); | |
3230 | } | |
8914cc4b | 3231 | else |
3232 | { | |
3233 | /* | |
3234 | * Reset group membership to just the main one we belong to. | |
3235 | */ | |
5aeb433c | 3236 | |
4342fddc | 3237 | setgroups(1, &Group); |
8914cc4b | 3238 | } |
5aeb433c | 3239 | |
3240 | /* | |
a9775e85 | 3241 | * Update stdin/stdout/stderr... |
5aeb433c | 3242 | */ |
b14d90ba | 3243 | |
10d8ebcc | 3244 | if (infile > 0) |
a74b005d | 3245 | { |
3246 | close(0); | |
753453e4 | 3247 | if (dup(infile) < 0) |
3248 | exit(errno); | |
e6df8a90 | 3249 | close(infile); |
a74b005d | 3250 | } |
3251 | ||
3252 | close(1); | |
753453e4 | 3253 | if (dup(fds[1]) < 0) |
3254 | exit(errno); | |
e6df8a90 | 3255 | close(fds[1]); |
a74b005d | 3256 | |
a9775e85 | 3257 | close(2); |
0a968cfb | 3258 | dup(CGIPipes[1]); |
e6df8a90 | 3259 | close(CGIPipes[1]); |
082b40d2 | 3260 | |
3261 | /* | |
3262 | * Change umask to restrict permissions on created files... | |
3263 | */ | |
3264 | ||
3265 | umask(077); | |
a74b005d | 3266 | |
5f152161 | 3267 | /* |
3268 | * Unblock signals before doing the exec... | |
3269 | */ | |
3270 | ||
3271 | #ifdef HAVE_SIGSET | |
c7a9d594 | 3272 | sigset(SIGTERM, SIG_DFL); |
38743560 | 3273 | sigset(SIGCHLD, SIG_DFL); |
5f152161 | 3274 | #elif defined(HAVE_SIGACTION) |
c7a9d594 | 3275 | memset(&action, 0, sizeof(action)); |
3276 | ||
3277 | sigemptyset(&action.sa_mask); | |
3278 | action.sa_handler = SIG_DFL; | |
3279 | ||
3280 | sigaction(SIGTERM, &action, NULL); | |
38743560 | 3281 | sigaction(SIGCHLD, &action, NULL); |
c7a9d594 | 3282 | #else |
3283 | signal(SIGTERM, SIG_DFL); | |
38743560 | 3284 | signal(SIGCHLD, SIG_DFL); |
5f152161 | 3285 | #endif /* HAVE_SIGSET */ |
3286 | ||
38743560 | 3287 | ReleaseSignals(); |
3288 | ||
a74b005d | 3289 | /* |
3290 | * Execute the pipe program; if an error occurs, exit with status 1... | |
3291 | */ | |
3292 | ||
b14d90ba | 3293 | execve(command, argv, envp); |
96df88bb | 3294 | exit(errno); |
a74b005d | 3295 | return (0); |
3296 | } | |
3297 | else if (pid < 0) | |
3298 | { | |
3299 | /* | |
3300 | * Error - can't fork! | |
3301 | */ | |
3302 | ||
5ea8888e | 3303 | LogMessage(L_ERROR, "Unable to fork for CGI %s - %s", argv[0], |
1d6c68fb | 3304 | strerror(errno)); |
3305 | ||
a74b005d | 3306 | close(fds[0]); |
3307 | close(fds[1]); | |
5c8eff27 | 3308 | pid = 0; |
a74b005d | 3309 | } |
3310 | else | |
3311 | { | |
3312 | /* | |
3313 | * Fork successful - return the PID... | |
3314 | */ | |
3315 | ||
f63a2256 | 3316 | AddCert(pid, con->username); |
3317 | ||
753453e4 | 3318 | LogMessage(L_DEBUG, "CGI %s started - PID = %d", command, pid); |
1d6c68fb | 3319 | |
a74b005d | 3320 | *outfile = fds[0]; |
3321 | close(fds[1]); | |
5c8eff27 | 3322 | } |
a74b005d | 3323 | |
38743560 | 3324 | ReleaseSignals(); |
4d520ad4 | 3325 | |
f6b55e0c | 3326 | ClearString(&query_string); |
3327 | ||
5c8eff27 | 3328 | return (pid); |
a74b005d | 3329 | } |
3330 | ||
3331 | ||
dcfcaeac | 3332 | #if defined(HAVE_CDSASSL) |
3333 | /* | |
3334 | * 'CDSAReadFunc()' - Read function for CDSA decryption code. | |
3335 | */ | |
3336 | ||
3337 | static OSStatus /* O - -1 on error, 0 on success */ | |
3338 | CDSAReadFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3339 | void *data, /* I - Data buffer */ | |
3340 | size_t *dataLength) /* IO - Number of bytes */ | |
3341 | { | |
3342 | ssize_t bytes; /* Number of bytes read */ | |
3343 | ||
3344 | ||
3345 | bytes = recv((int)connection, data, *dataLength, 0); | |
3346 | if (bytes >= 0) | |
3347 | { | |
3348 | *dataLength = bytes; | |
3349 | return (0); | |
3350 | } | |
3351 | else | |
3352 | return (-1); | |
3353 | } | |
3354 | ||
3355 | ||
3356 | /* | |
3357 | * 'CDSAWriteFunc()' - Write function for CDSA encryption code. | |
3358 | */ | |
3359 | ||
3360 | static OSStatus /* O - -1 on error, 0 on success */ | |
3361 | CDSAWriteFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3362 | const void *data, /* I - Data buffer */ | |
3363 | size_t *dataLength) /* IO - Number of bytes */ | |
3364 | { | |
3365 | ssize_t bytes; | |
3366 | ||
3367 | ||
3368 | bytes = write((int)connection, data, *dataLength); | |
3369 | if (bytes >= 0) | |
3370 | { | |
3371 | *dataLength = bytes; | |
3372 | return (0); | |
3373 | } | |
3374 | else | |
3375 | return (-1); | |
3376 | } | |
3377 | #endif /* HAVE_CDSASSL */ | |
3378 | ||
3379 | ||
93894a43 | 3380 | /* |
ff346847 | 3381 | * End of "$Id: client.c,v 1.91.2.91 2004/08/06 13:57:05 mike Exp $". |
a74b005d | 3382 | */ |