]>
Commit | Line | Data |
---|---|---|
a74b005d | 1 | /* |
b2e10895 | 2 | * "$Id$" |
a74b005d | 3 | * |
4 | * Client routines for the Common UNIX Printing System (CUPS) scheduler. | |
5 | * | |
c9d3f842 | 6 | * Copyright 1997-2005 by Easy Software Products, all rights reserved. |
a74b005d | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
8784b6a6 | 17 | * 44141 Airport View Drive, Suite 204 |
8650fcf2 | 18 | * Hollywood, Maryland 20636 USA |
a74b005d | 19 | * |
6bb5a528 | 20 | * Voice: (301) 373-9600 |
a74b005d | 21 | * EMail: cups-info@cups.org |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
93894a43 | 26 | * AcceptClient() - Accept a new client. |
27 | * CloseAllClients() - Close all remote clients immediately. | |
28 | * CloseClient() - Close a remote client. | |
a75c006a | 29 | * EncryptClient() - Enable encryption for the client... |
3721af07 | 30 | * IsCGI() - Is the resource a CGI script/program? |
93894a43 | 31 | * ReadClient() - Read data from a client. |
32 | * SendCommand() - Send output from a command via HTTP. | |
33 | * SendError() - Send an error message via HTTP. | |
34 | * SendFile() - Send a file via HTTP. | |
35 | * SendHeader() - Send an HTTP request. | |
0a968cfb | 36 | * UpdateCGI() - Read status messages from CGI scripts and programs. |
93894a43 | 37 | * WriteClient() - Write data to a client as needed. |
38 | * check_if_modified() - Decode an "If-Modified-Since" line. | |
d2122fde | 39 | * decode_auth() - Decode an authorization string. |
93894a43 | 40 | * get_file() - Get a filename and state info. |
753453e4 | 41 | * install_conf_file() - Install a configuration file. |
3780dd72 | 42 | * is_path_absolute() - Is a path absolute and free of relative elements. |
93894a43 | 43 | * pipe_command() - Pipe the output of a command to the remote client. |
dcfcaeac | 44 | * CDSAReadFunc() - Read function for CDSA decryption code. |
45 | * CDSAWriteFunc() - Write function for CDSA encryption code. | |
a74b005d | 46 | */ |
47 | ||
48 | /* | |
49 | * Include necessary headers... | |
50 | */ | |
51 | ||
3b602493 | 52 | #include <cups/http-private.h> |
a74b005d | 53 | #include "cupsd.h" |
bd917997 | 54 | |
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); |
3780dd72 | 66 | static int is_path_absolute(const char *path); |
753453e4 | 67 | static int pipe_command(client_t *con, int infile, int *outfile, |
b38d93df | 68 | char *command, char *options, int root); |
a74b005d | 69 | |
dcfcaeac | 70 | #ifdef HAVE_CDSASSL |
df28ec49 | 71 | static OSStatus CDSAReadFunc(SSLConnectionRef connection, void *data, |
dcfcaeac | 72 | size_t *dataLength); |
df28ec49 | 73 | static OSStatus CDSAWriteFunc(SSLConnectionRef connection, |
dcfcaeac | 74 | const void *data, size_t *dataLength); |
75 | #endif /* HAVE_CDSASSL */ | |
76 | ||
a74b005d | 77 | |
78 | /* | |
79 | * 'AcceptClient()' - Accept a new client. | |
80 | */ | |
81 | ||
82 | void | |
83 | AcceptClient(listener_t *lis) /* I - Listener socket */ | |
84 | { | |
27eba2dd | 85 | int i; /* Looping var */ |
1060c9b6 | 86 | int count; /* Count of connections on a host */ |
a74b005d | 87 | int val; /* Parameter value */ |
88 | client_t *con; /* New client pointer */ | |
99de6da0 | 89 | const struct hostent *host; /* Host entry for address */ |
18fe941f | 90 | char *hostname;/* Hostname for address */ |
99de6da0 | 91 | http_addr_t temp; /* Temporary address variable */ |
f0ad8cdc | 92 | static time_t last_dos = 0; |
93 | /* Time of last DoS attack */ | |
a74b005d | 94 | |
95 | ||
6a2cceab | 96 | LogMessage(L_DEBUG2, "AcceptClient(lis=%p) %d NumClients = %d", |
27eba2dd | 97 | lis, lis->fd, NumClients); |
bfa1abf0 | 98 | |
12aa0c1f | 99 | /* |
100 | * Make sure we don't have a full set of clients already... | |
101 | */ | |
102 | ||
103 | if (NumClients == MaxClients) | |
104 | return; | |
105 | ||
a74b005d | 106 | /* |
107 | * Get a pointer to the next available client... | |
108 | */ | |
109 | ||
110 | con = Clients + NumClients; | |
111 | ||
112 | memset(con, 0, sizeof(client_t)); | |
113 | con->http.activity = time(NULL); | |
819347a7 | 114 | con->file = -1; |
a74b005d | 115 | |
116 | /* | |
117 | * Accept the client and get the remote address... | |
118 | */ | |
119 | ||
120 | val = sizeof(struct sockaddr_in); | |
121 | ||
2f6d083c | 122 | if ((con->http.fd = accept(lis->fd, (struct sockaddr *)&(con->http.hostaddr), |
123 | &val)) < 0) | |
a74b005d | 124 | { |
27eba2dd | 125 | LogMessage(L_ERROR, "Unable to accept client connection - %s.", |
126 | strerror(errno)); | |
a74b005d | 127 | return; |
128 | } | |
129 | ||
99de6da0 | 130 | #ifdef AF_INET6 |
131 | if (lis->address.addr.sa_family == AF_INET6) | |
132 | con->http.hostaddr.ipv6.sin6_port = lis->address.ipv6.sin6_port; | |
133 | else | |
134 | #endif /* AF_INET6 */ | |
135 | con->http.hostaddr.ipv4.sin_port = lis->address.ipv4.sin_port; | |
a74b005d | 136 | |
1060c9b6 | 137 | /* |
138 | * Check the number of clients on the same address... | |
139 | */ | |
140 | ||
141 | for (i = 0, count = 0; i < NumClients; i ++) | |
928c0377 | 142 | if (httpAddrEqual(&(Clients[i].http.hostaddr), &(con->http.hostaddr))) |
1060c9b6 | 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 | } | |
b2e10895 | 166 | |
1060c9b6 | 167 | /* |
168 | * Get the hostname or format the IP address as needed... | |
169 | */ | |
170 | ||
06415a96 | 171 | if (httpAddrLocalhost(&(con->http.hostaddr))) |
172 | { | |
173 | /* | |
174 | * Map accesses from the loopback interface to "localhost"... | |
175 | */ | |
176 | ||
177 | strlcpy(con->http.hostname, "localhost", sizeof(con->http.hostname)); | |
90aec4f7 | 178 | hostname = con->http.hostname; |
06415a96 | 179 | } |
180 | else if (httpAddrEqual(&(con->http.hostaddr), &ServerAddr)) | |
2bdd1992 | 181 | { |
182 | /* | |
183 | * Map accesses from the same host to the server name. | |
184 | */ | |
185 | ||
def978d5 | 186 | strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname)); |
90aec4f7 | 187 | hostname = con->http.hostname; |
2bdd1992 | 188 | } |
7c298ddc | 189 | else if (HostNameLookups) |
190 | hostname = httpAddrLookup(&(con->http.hostaddr), con->http.hostname, | |
191 | sizeof(con->http.hostname)); | |
192 | else | |
193 | { | |
194 | hostname = NULL; | |
195 | httpAddrString(&(con->http.hostaddr), con->http.hostname, | |
196 | sizeof(con->http.hostname)); | |
197 | } | |
27eba2dd | 198 | |
18fe941f | 199 | if (hostname == NULL && HostNameLookups == 2) |
99de6da0 | 200 | { |
201 | /* | |
202 | * Can't have an unresolved IP address with double-lookups enabled... | |
203 | */ | |
27eba2dd | 204 | |
6cd03542 | 205 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
206 | con->http.fd); | |
207 | ||
27eba2dd | 208 | #ifdef WIN32 |
99de6da0 | 209 | closesocket(con->http.fd); |
27eba2dd | 210 | #else |
99de6da0 | 211 | close(con->http.fd); |
27eba2dd | 212 | #endif /* WIN32 */ |
213 | ||
99de6da0 | 214 | LogMessage(L_WARN, "Name lookup failed - connection from %s closed!", |
215 | con->http.hostname); | |
216 | return; | |
27eba2dd | 217 | } |
a74b005d | 218 | |
27eba2dd | 219 | if (HostNameLookups == 2) |
220 | { | |
221 | /* | |
222 | * Do double lookups as needed... | |
223 | */ | |
224 | ||
753453e4 | 225 | if ((host = httpGetHostByName(con->http.hostname)) != NULL) |
27eba2dd | 226 | { |
227 | /* | |
99de6da0 | 228 | * See if the hostname maps to the same IP address... |
27eba2dd | 229 | */ |
230 | ||
99de6da0 | 231 | if (host->h_addrtype != con->http.hostaddr.addr.sa_family) |
27eba2dd | 232 | { |
233 | /* | |
99de6da0 | 234 | * Not the right type of address... |
27eba2dd | 235 | */ |
236 | ||
46490d9d | 237 | host = NULL; |
27eba2dd | 238 | } |
239 | else | |
240 | { | |
241 | /* | |
242 | * Compare all of the addresses against this one... | |
243 | */ | |
244 | ||
46490d9d | 245 | for (i = 0; host->h_addr_list[i]; i ++) |
99de6da0 | 246 | { |
247 | httpAddrLoad(host, 0, i, &temp); | |
248 | ||
249 | if (httpAddrEqual(&(con->http.hostaddr), &temp)) | |
27eba2dd | 250 | break; |
99de6da0 | 251 | } |
27eba2dd | 252 | |
46490d9d | 253 | if (!host->h_addr_list[i]) |
254 | host = NULL; | |
27eba2dd | 255 | } |
256 | } | |
257 | ||
46490d9d | 258 | if (host == NULL) |
27eba2dd | 259 | { |
260 | /* | |
261 | * Can't have a hostname that doesn't resolve to the same IP address | |
262 | * with double-lookups enabled... | |
263 | */ | |
264 | ||
6cd03542 | 265 | LogMessage(L_DEBUG2, "AcceptClient: Closing connection %d...", |
266 | con->http.fd); | |
267 | ||
27eba2dd | 268 | #ifdef WIN32 |
269 | closesocket(con->http.fd); | |
270 | #else | |
271 | close(con->http.fd); | |
272 | #endif /* WIN32 */ | |
273 | ||
274 | LogMessage(L_WARN, "IP lookup failed - connection from %s closed!", | |
275 | con->http.hostname); | |
276 | return; | |
277 | } | |
278 | } | |
279 | ||
99de6da0 | 280 | #ifdef AF_INET6 |
281 | if (con->http.hostaddr.addr.sa_family == AF_INET6) | |
18fe941f | 282 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 283 | con->http.hostname, ntohs(con->http.hostaddr.ipv6.sin6_port)); |
284 | else | |
285 | #endif /* AF_INET6 */ | |
18fe941f | 286 | LogMessage(L_DEBUG, "AcceptClient: %d from %s:%d.", con->http.fd, |
99de6da0 | 287 | con->http.hostname, ntohs(con->http.hostaddr.ipv4.sin_port)); |
a74b005d | 288 | |
e5c4f5a1 | 289 | /* |
290 | * Get the local address the client connected to... | |
291 | */ | |
292 | ||
293 | i = sizeof(temp); | |
3fd04f12 | 294 | if (getsockname(con->http.fd, (struct sockaddr *)&temp, &i)) |
e5c4f5a1 | 295 | { |
296 | LogMessage(L_ERROR, "Unable to get local address - %s", strerror(errno)); | |
297 | ||
298 | strcpy(con->servername, "localhost"); | |
299 | con->serverport = LocalPort; | |
300 | } | |
301 | else | |
302 | { | |
303 | #ifdef AF_INET6 | |
304 | if (temp.addr.sa_family == AF_INET6) | |
305 | { | |
306 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
307 | con->serverport = ntohs(lis->address.ipv6.sin6_port); | |
308 | } | |
309 | else | |
310 | #endif /* AF_INET6 */ | |
311 | if (temp.addr.sa_family == AF_INET) | |
312 | { | |
313 | httpAddrLookup(&temp, con->servername, sizeof(con->servername)); | |
314 | con->serverport = ntohs(lis->address.ipv4.sin_port); | |
315 | } | |
316 | else | |
317 | { | |
318 | strcpy(con->servername, "localhost"); | |
319 | con->serverport = LocalPort; | |
320 | } | |
321 | } | |
322 | ||
323 | LogMessage(L_DEBUG2, "AcceptClient: %d connected to server on %s:%d", | |
324 | con->http.fd, con->servername, con->serverport); | |
9ae34eb7 | 325 | /* |
326 | * Using TCP_NODELAY improves responsiveness, especially on systems | |
327 | * with a slow loopback interface... Since we write large buffers | |
328 | * when sending print files and requests, there shouldn't be any | |
329 | * performance penalty for this... | |
330 | */ | |
331 | ||
332 | val = 1; | |
333 | setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val)); | |
334 | ||
a74b005d | 335 | /* |
2e32fcdb | 336 | * Close this file on all execs... |
a74b005d | 337 | */ |
338 | ||
b2e10895 | 339 | fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC); |
a74b005d | 340 | |
2e32fcdb | 341 | /* |
342 | * Add the socket to the select() input mask. | |
343 | */ | |
344 | ||
18fe941f | 345 | LogMessage(L_DEBUG2, "AcceptClient: Adding fd %d to InputSet...", |
27eba2dd | 346 | con->http.fd); |
f3bc1068 | 347 | FD_SET(con->http.fd, InputSet); |
a74b005d | 348 | |
349 | NumClients ++; | |
350 | ||
351 | /* | |
352 | * Temporarily suspend accept()'s until we lose a client... | |
353 | */ | |
354 | ||
997edb40 | 355 | if (NumClients == MaxClients) |
d236cb49 | 356 | PauseListening(); |
2a0ef17a | 357 | |
bcf61448 | 358 | #ifdef HAVE_SSL |
2a0ef17a | 359 | /* |
0b50ddbc | 360 | * See if we are connecting on a secure port... |
2a0ef17a | 361 | */ |
362 | ||
0b50ddbc | 363 | if (lis->encryption == HTTP_ENCRYPT_ALWAYS) |
2a0ef17a | 364 | { |
365 | /* | |
366 | * https connection; go secure... | |
367 | */ | |
368 | ||
b92c5a4f | 369 | con->http.encryption = HTTP_ENCRYPT_ALWAYS; |
370 | ||
2a0ef17a | 371 | EncryptClient(con); |
372 | } | |
84f8a991 | 373 | else |
374 | con->auto_ssl = 1; | |
bcf61448 | 375 | #endif /* HAVE_SSL */ |
a74b005d | 376 | } |
377 | ||
378 | ||
379 | /* | |
380 | * 'CloseAllClients()' - Close all remote clients immediately. | |
381 | */ | |
382 | ||
383 | void | |
384 | CloseAllClients(void) | |
385 | { | |
386 | while (NumClients > 0) | |
387 | CloseClient(Clients); | |
388 | } | |
389 | ||
390 | ||
391 | /* | |
392 | * 'CloseClient()' - Close a remote client. | |
393 | */ | |
394 | ||
819347a7 | 395 | int /* O - 1 if partial close, 0 if fully closed */ |
a74b005d | 396 | CloseClient(client_t *con) /* I - Client to close */ |
397 | { | |
4cdd993e | 398 | int partial; /* Do partial close for SSL? */ |
dcfcaeac | 399 | #if defined(HAVE_LIBSSL) |
2a0ef17a | 400 | SSL_CTX *context; /* Context for encryption */ |
401 | SSL *conn; /* Connection for encryption */ | |
c3c5af5e | 402 | unsigned long error; /* Error code */ |
dcfcaeac | 403 | #elif defined(HAVE_GNUTLS) |
404 | http_tls_t *conn; /* TLS connection information */ | |
bcf61448 | 405 | int error; /* Error code */ |
dcfcaeac | 406 | gnutls_certificate_server_credentials *credentials; |
407 | /* TLS credentials */ | |
99baf768 | 408 | #elif defined(HAVE_CDSASSL) |
717a318c | 409 | int status; /* Error status */ |
410 | #endif /* HAVE_LIBSSL */ | |
a74b005d | 411 | |
412 | ||
11009aea | 413 | LogMessage(L_DEBUG, "CloseClient: %d", con->http.fd); |
a74b005d | 414 | |
e7bede57 | 415 | /* |
416 | * Flush pending writes before closing... | |
417 | */ | |
418 | ||
ad4be4c3 | 419 | httpFlushWrite(HTTP(con)); |
e7bede57 | 420 | |
4cdd993e | 421 | partial = 0; |
fc757c63 | 422 | |
bcf61448 | 423 | #ifdef HAVE_SSL |
2a0ef17a | 424 | /* |
425 | * Shutdown encryption as needed... | |
426 | */ | |
427 | ||
428 | if (con->http.tls) | |
429 | { | |
4cdd993e | 430 | partial = 1; |
431 | ||
dcfcaeac | 432 | # ifdef HAVE_LIBSSL |
2a0ef17a | 433 | conn = (SSL *)(con->http.tls); |
434 | context = SSL_get_SSL_CTX(conn); | |
435 | ||
c3c5af5e | 436 | switch (SSL_shutdown(conn)) |
437 | { | |
438 | case 1 : | |
439 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
440 | break; | |
441 | case -1 : | |
442 | LogMessage(L_ERROR, "CloseClient: Fatal error during SSL shutdown!"); | |
443 | default : | |
444 | while ((error = ERR_get_error()) != 0) | |
445 | LogMessage(L_ERROR, "CloseClient: %s", ERR_error_string(error, NULL)); | |
446 | break; | |
447 | } | |
448 | ||
2a0ef17a | 449 | SSL_CTX_free(context); |
450 | SSL_free(conn); | |
dcfcaeac | 451 | |
452 | # elif defined(HAVE_GNUTLS) | |
bcf61448 | 453 | conn = (http_tls_t *)(con->http.tls); |
454 | credentials = (gnutls_certificate_server_credentials *)(conn->credentials); | |
455 | ||
456 | error = gnutls_bye(conn->session, GNUTLS_SHUT_WR); | |
457 | switch (error) | |
458 | { | |
459 | case GNUTLS_E_SUCCESS: | |
460 | LogMessage(L_INFO, "CloseClient: SSL shutdown successful!"); | |
461 | break; | |
462 | default: | |
463 | LogMessage(L_ERROR, "CloseClient: %s", gnutls_strerror(error)); | |
464 | break; | |
465 | } | |
466 | ||
467 | gnutls_deinit(conn->session); | |
468 | gnutls_certificate_free_credentials(*credentials); | |
469 | free(credentials); | |
470 | free(conn); | |
dcfcaeac | 471 | |
472 | # elif defined(HAVE_CDSASSL) | |
473 | status = SSLClose((SSLContextRef)con->http.tls); | |
474 | SSLDisposeContext((SSLContextRef)con->http.tls); | |
475 | # endif /* HAVE_LIBSSL */ | |
2a0ef17a | 476 | |
477 | con->http.tls = NULL; | |
478 | } | |
dcfcaeac | 479 | #endif /* HAVE_SSL */ |
2a0ef17a | 480 | |
ed5ceafb | 481 | if (con->pipe_pid != 0) |
482 | { | |
483 | /* | |
484 | * Stop any CGI process... | |
485 | */ | |
486 | ||
487 | LogMessage(L_DEBUG2, "CloseClient: %d Killing process ID %d...", | |
488 | con->http.fd, con->pipe_pid); | |
489 | cupsdEndProcess(con->pipe_pid, 1); | |
490 | } | |
491 | ||
492 | if (con->file >= 0) | |
493 | { | |
494 | if (FD_ISSET(con->file, InputSet)) | |
495 | { | |
496 | LogMessage(L_DEBUG2, "CloseClient: %d Removing fd %d from InputSet...", | |
497 | con->http.fd, con->file); | |
498 | FD_CLR(con->file, InputSet); | |
499 | } | |
500 | ||
501 | LogMessage(L_DEBUG2, "CloseClient: %d Closing data file %d.", | |
502 | con->http.fd, con->file); | |
503 | ||
504 | close(con->file); | |
505 | con->file = -1; | |
506 | } | |
507 | ||
a74b005d | 508 | /* |
509 | * Close the socket and clear the file from the input set for select()... | |
510 | */ | |
511 | ||
4cdd993e | 512 | if (con->http.fd > 0) |
882031b3 | 513 | { |
4cdd993e | 514 | if (partial) |
515 | { | |
516 | /* | |
517 | * Only do a partial close so that the encrypted client gets everything. | |
518 | */ | |
519 | ||
520 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from OutputSet...", | |
521 | con->http.fd); | |
522 | shutdown(con->http.fd, 0); | |
523 | FD_CLR(con->http.fd, OutputSet); | |
524 | } | |
525 | else | |
526 | { | |
527 | /* | |
528 | * Shut the socket down fully... | |
529 | */ | |
530 | ||
531 | LogMessage(L_DEBUG2, "CloseClient: Removing fd %d from InputSet and OutputSet...", | |
532 | con->http.fd); | |
533 | close(con->http.fd); | |
534 | FD_CLR(con->http.fd, InputSet); | |
535 | FD_CLR(con->http.fd, OutputSet); | |
10d8ebcc | 536 | con->http.fd = -1; |
4cdd993e | 537 | } |
882031b3 | 538 | } |
a74b005d | 539 | |
4cdd993e | 540 | if (!partial) |
25135af7 | 541 | { |
4cdd993e | 542 | /* |
543 | * Free memory... | |
544 | */ | |
25135af7 | 545 | |
4cdd993e | 546 | if (con->http.input_set) |
547 | free(con->http.input_set); | |
25135af7 | 548 | |
4cdd993e | 549 | httpClearCookie(HTTP(con)); |
25135af7 | 550 | |
4cdd993e | 551 | ClearString(&con->filename); |
552 | ClearString(&con->command); | |
553 | ClearString(&con->options); | |
26bb6ac6 | 554 | |
4cdd993e | 555 | if (con->request) |
556 | { | |
557 | ippDelete(con->request); | |
558 | con->request = NULL; | |
559 | } | |
26bb6ac6 | 560 | |
4cdd993e | 561 | if (con->response) |
562 | { | |
563 | ippDelete(con->response); | |
564 | con->response = NULL; | |
565 | } | |
a74b005d | 566 | |
4cdd993e | 567 | if (con->language) |
568 | { | |
569 | cupsLangFree(con->language); | |
570 | con->language = NULL; | |
571 | } | |
a74b005d | 572 | |
4cdd993e | 573 | /* |
574 | * Re-enable new client connections if we are going back under the | |
575 | * limit... | |
576 | */ | |
577 | ||
578 | if (NumClients == MaxClients) | |
579 | ResumeListening(); | |
580 | ||
581 | /* | |
582 | * Compact the list of clients as necessary... | |
583 | */ | |
584 | ||
585 | NumClients --; | |
586 | ||
587 | if (con < (Clients + NumClients)) | |
588 | memmove(con, con + 1, (Clients + NumClients - con) * sizeof(client_t)); | |
589 | } | |
819347a7 | 590 | |
591 | return (partial); | |
a74b005d | 592 | } |
593 | ||
594 | ||
a75c006a | 595 | /* |
596 | * 'EncryptClient()' - Enable encryption for the client... | |
597 | */ | |
598 | ||
599 | int /* O - 1 on success, 0 on error */ | |
600 | EncryptClient(client_t *con) /* I - Client to encrypt */ | |
601 | { | |
bcf61448 | 602 | #if defined HAVE_LIBSSL |
a75c006a | 603 | SSL_CTX *context; /* Context for encryption */ |
604 | SSL *conn; /* Connection for encryption */ | |
753453e4 | 605 | unsigned long error; /* Error code */ |
1c6682dd | 606 | |
607 | ||
608 | /* | |
609 | * Create the SSL context and accept the connection... | |
610 | */ | |
611 | ||
bcf61448 | 612 | context = SSL_CTX_new(SSLv23_server_method()); |
613 | ||
836c8127 | 614 | SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */ |
bcf61448 | 615 | SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM); |
616 | SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM); | |
a75c006a | 617 | |
bcf61448 | 618 | conn = SSL_new(context); |
a75c006a | 619 | |
620 | SSL_set_fd(conn, con->http.fd); | |
621 | if (SSL_accept(conn) != 1) | |
622 | { | |
11009aea | 623 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
624 | con->http.hostname); | |
625 | ||
1c6682dd | 626 | while ((error = ERR_get_error()) != 0) |
627 | LogMessage(L_ERROR, "EncryptClient: %s", ERR_error_string(error, NULL)); | |
628 | ||
a75c006a | 629 | SSL_CTX_free(context); |
630 | SSL_free(conn); | |
631 | return (0); | |
632 | } | |
633 | ||
11009aea | 634 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
635 | con->http.fd, con->http.hostname); | |
636 | ||
bcf61448 | 637 | con->http.tls = conn; |
638 | return (1); | |
dcfcaeac | 639 | |
640 | #elif defined(HAVE_GNUTLS) | |
bcf61448 | 641 | http_tls_t *conn; /* TLS session object */ |
642 | int error; /* Error code */ | |
dcfcaeac | 643 | gnutls_certificate_server_credentials *credentials; |
644 | /* TLS credentials */ | |
bcf61448 | 645 | |
646 | /* | |
647 | * Create the SSL object and perform the SSL handshake... | |
648 | */ | |
649 | ||
650 | conn = (http_tls_t *)malloc(sizeof(gnutls_session)); | |
dcfcaeac | 651 | |
bcf61448 | 652 | if (conn == NULL) |
653 | return (0); | |
dcfcaeac | 654 | |
bcf61448 | 655 | credentials = (gnutls_certificate_server_credentials *) |
dcfcaeac | 656 | malloc(sizeof(gnutls_certificate_server_credentials)); |
bcf61448 | 657 | if (credentials == NULL) |
658 | { | |
11009aea | 659 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
660 | con->http.hostname); | |
661 | LogMessage(L_ERROR, "EncryptClient: %s", strerror(errno)); | |
662 | ||
bcf61448 | 663 | free(conn); |
664 | return (0); | |
665 | } | |
666 | ||
667 | gnutls_certificate_allocate_credentials(credentials); | |
668 | gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate, | |
669 | ServerKey, GNUTLS_X509_FMT_PEM); | |
670 | ||
671 | gnutls_init(&(conn->session), GNUTLS_SERVER); | |
672 | gnutls_set_default_priority(conn->session); | |
673 | gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials); | |
674 | gnutls_transport_set_ptr(conn->session, con->http.fd); | |
675 | ||
676 | error = gnutls_handshake(conn->session); | |
677 | ||
678 | if (error != GNUTLS_E_SUCCESS) | |
679 | { | |
11009aea | 680 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
681 | con->http.hostname); | |
bcf61448 | 682 | LogMessage(L_ERROR, "EncryptClient: %s", gnutls_strerror(error)); |
11009aea | 683 | |
bcf61448 | 684 | gnutls_deinit(conn->session); |
685 | gnutls_certificate_free_credentials(*credentials); | |
686 | free(conn); | |
687 | free(credentials); | |
688 | return (0); | |
689 | } | |
690 | ||
11009aea | 691 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
692 | con->http.fd, con->http.hostname); | |
bcf61448 | 693 | |
694 | conn->credentials = credentials; | |
a75c006a | 695 | con->http.tls = conn; |
696 | return (1); | |
dcfcaeac | 697 | |
698 | #elif defined(HAVE_CDSASSL) | |
699 | OSStatus error; /* Error info */ | |
700 | SSLContextRef conn; /* New connection */ | |
701 | SSLProtocol tryVersion; /* Protocol version */ | |
702 | const char *hostName; /* Local hostname */ | |
703 | int allowExpired; /* Allow expired certificates? */ | |
704 | int allowAnyRoot; /* Allow any root certificate? */ | |
705 | SSLProtocol *negVersion; /* Negotiated protocol version */ | |
706 | SSLCipherSuite *negCipher; /* Negotiated cypher */ | |
707 | CFArrayRef *peerCerts; /* Certificates */ | |
708 | ||
709 | ||
710 | conn = NULL; | |
711 | error = SSLNewContext(true, &conn); | |
712 | allowExpired = 1; | |
713 | allowAnyRoot = 1; | |
714 | ||
715 | if (!error) | |
716 | error = SSLSetIOFuncs(conn, CDSAReadFunc, CDSAWriteFunc); | |
717 | ||
718 | if (!error) | |
719 | error = SSLSetProtocolVersion(conn, kSSLProtocol3); | |
720 | ||
721 | if (!error) | |
722 | error = SSLSetConnection(conn, (SSLConnectionRef)con->http.fd); | |
723 | ||
724 | if (!error) | |
725 | { | |
726 | hostName = ServerName; /* MRS: ??? */ | |
727 | error = SSLSetPeerDomainName(conn, hostName, strlen(hostName) + 1); | |
728 | } | |
729 | ||
730 | /* have to do these options befor setting server certs */ | |
731 | if (!error && allowExpired) | |
732 | error = SSLSetAllowsExpiredCerts(conn, true); | |
733 | ||
734 | if (!error && allowAnyRoot) | |
735 | error = SSLSetAllowsAnyRoot(conn, true); | |
736 | ||
737 | if (!error && ServerCertificatesArray != NULL) | |
738 | error = SSLSetCertificate(conn, ServerCertificatesArray); | |
739 | ||
740 | /* | |
741 | * Perform SSL/TLS handshake | |
742 | */ | |
743 | ||
744 | do | |
745 | { | |
746 | error = SSLHandshake(conn); | |
747 | } | |
748 | while (error == errSSLWouldBlock); | |
749 | ||
750 | if (error) | |
751 | { | |
11009aea | 752 | LogMessage(L_ERROR, "EncryptClient: Unable to encrypt connection from %s!", |
753 | con->http.hostname); | |
754 | ||
755 | LogMessage(L_ERROR, "EncryptClient: CDSA error code is %d", error); | |
dcfcaeac | 756 | |
757 | con->http.error = error; | |
758 | con->http.status = HTTP_ERROR; | |
759 | ||
760 | if (conn != NULL) | |
761 | SSLDisposeContext(conn); | |
762 | ||
763 | return (0); | |
764 | } | |
765 | ||
11009aea | 766 | LogMessage(L_DEBUG, "EncryptClient: %d Connection from %s now encrypted.", |
767 | con->http.fd, con->http.hostname); | |
768 | ||
dcfcaeac | 769 | con->http.tls = conn; |
770 | return (1); | |
771 | ||
a75c006a | 772 | #else |
773 | return (0); | |
bcf61448 | 774 | #endif /* HAVE_GNUTLS */ |
a75c006a | 775 | } |
776 | ||
777 | ||
3721af07 | 778 | /* |
779 | * 'IsCGI()' - Is the resource a CGI script/program? | |
780 | */ | |
781 | ||
782 | int /* O - 1 = CGI, 0 = file */ | |
783 | IsCGI(client_t *con, /* I - Client connection */ | |
784 | const char *filename, /* I - Real filename */ | |
785 | struct stat *filestats, /* I - File information */ | |
786 | mime_type_t *type) /* I - MIME type */ | |
787 | { | |
788 | const char *options; /* Options on URL */ | |
789 | ||
790 | ||
791 | LogMessage(L_DEBUG2, "IsCGI(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n", | |
792 | con, filename, filestats, type ? type->super : "unknown", | |
793 | type ? type->type : "unknown"); | |
794 | ||
795 | /* | |
796 | * Get the options, if any... | |
797 | */ | |
798 | ||
799 | if ((options = strchr(con->uri, '?')) != NULL) | |
800 | options ++; | |
801 | ||
802 | /* | |
803 | * Check for known types... | |
804 | */ | |
805 | ||
a89836ef | 806 | if (!type || strcasecmp(type->super, "application")) |
3721af07 | 807 | { |
808 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
809 | return (0); | |
810 | } | |
811 | ||
812 | if (!strcasecmp(type->type, "x-httpd-cgi") && | |
813 | (filestats->st_mode & 0111)) | |
814 | { | |
815 | /* | |
816 | * "application/x-httpd-cgi" is a CGI script. | |
817 | */ | |
818 | ||
819 | SetString(&con->command, filename); | |
820 | ||
821 | filename = strrchr(filename, '/') + 1; /* Filename always absolute */ | |
822 | ||
823 | if (options) | |
824 | SetStringf(&con->options, "%s %s", filename, options); | |
825 | else | |
826 | SetStringf(&con->options, "%s", filename); | |
827 | ||
828 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
829 | con->command, con->options); | |
830 | ||
831 | return (1); | |
832 | } | |
833 | #ifdef HAVE_JAVA | |
834 | else if (!strcasecmp(type->type, "x-httpd-java")) | |
835 | { | |
836 | /* | |
837 | * "application/x-httpd-java" is a Java servlet. | |
838 | */ | |
839 | ||
840 | SetString(&con->command, CUPS_JAVA); | |
841 | ||
842 | if (options) | |
843 | SetStringf(&con->options, "java %s %s", filename, options); | |
844 | else | |
845 | SetStringf(&con->options, "java %s", filename); | |
846 | ||
847 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
848 | con->command, con->options); | |
849 | ||
850 | return (1); | |
851 | } | |
852 | #endif /* HAVE_JAVA */ | |
853 | #ifdef HAVE_PERL | |
854 | else if (!strcasecmp(type->type, "x-httpd-perl")) | |
855 | { | |
856 | /* | |
857 | * "application/x-httpd-perl" is a Perl page. | |
858 | */ | |
859 | ||
860 | SetString(&con->command, CUPS_PERL); | |
861 | ||
862 | if (options) | |
863 | SetStringf(&con->options, "perl %s %s", filename, options); | |
864 | else | |
865 | SetStringf(&con->options, "perl %s", filename); | |
866 | ||
867 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
868 | con->command, con->options); | |
869 | ||
870 | return (1); | |
871 | } | |
872 | #endif /* HAVE_PERL */ | |
873 | #ifdef HAVE_PHP | |
874 | else if (!strcasecmp(type->type, "x-httpd-php")) | |
875 | { | |
876 | /* | |
877 | * "application/x-httpd-php" is a PHP page. | |
878 | */ | |
879 | ||
880 | SetString(&con->command, CUPS_PHP); | |
881 | ||
882 | if (options) | |
883 | SetStringf(&con->options, "php %s %s", filename, options); | |
884 | else | |
885 | SetStringf(&con->options, "php %s", filename); | |
886 | ||
887 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
888 | con->command, con->options); | |
889 | ||
890 | return (1); | |
891 | } | |
892 | #endif /* HAVE_PHP */ | |
893 | #ifdef HAVE_PYTHON | |
894 | else if (!strcasecmp(type->type, "x-httpd-python")) | |
895 | { | |
896 | /* | |
897 | * "application/x-httpd-python" is a Python page. | |
898 | */ | |
899 | ||
900 | SetString(&con->command, CUPS_PYTHON); | |
901 | ||
902 | if (options) | |
903 | SetStringf(&con->options, "python %s %s", filename, options); | |
904 | else | |
905 | SetStringf(&con->options, "python %s", filename); | |
906 | ||
907 | LogMessage(L_DEBUG2, "IsCGI: Returning 1 with command=\"%s\" and options=\"%s\"", | |
908 | con->command, con->options); | |
909 | ||
910 | return (1); | |
911 | } | |
912 | #endif /* HAVE_PYTHON */ | |
913 | ||
914 | LogMessage(L_DEBUG2, "IsCGI: Returning 0..."); | |
915 | ||
916 | return (0); | |
917 | } | |
918 | ||
919 | ||
a74b005d | 920 | /* |
921 | * 'ReadClient()' - Read data from a client. | |
922 | */ | |
923 | ||
08c0ff15 | 924 | int /* O - 1 on success, 0 on error */ |
925 | ReadClient(client_t *con) /* I - Client to read from */ | |
a74b005d | 926 | { |
08c0ff15 | 927 | char line[32768], /* Line from client... */ |
928 | operation[64], /* Operation code from socket */ | |
929 | version[64], /* HTTP version number string */ | |
930 | locale[64], /* Locale */ | |
931 | *ptr; /* Pointer into strings */ | |
932 | int major, minor; /* HTTP version numbers */ | |
933 | http_status_t status; /* Transfer status */ | |
934 | ipp_state_t ipp_state; /* State of IPP transfer */ | |
935 | int bytes; /* Number of bytes to POST */ | |
936 | char *filename; /* Name of file for GET/HEAD */ | |
937 | char buf[1024]; /* Buffer for real filename */ | |
938 | struct stat filestats; /* File information */ | |
939 | mime_type_t *type; /* MIME type of file */ | |
940 | printer_t *p; /* Printer */ | |
08c0ff15 | 941 | static unsigned request_id = 0; /* Request ID for temp files */ |
a74b005d | 942 | |
bfa1abf0 | 943 | |
a74b005d | 944 | status = HTTP_CONTINUE; |
945 | ||
11009aea | 946 | LogMessage(L_DEBUG2, "ReadClient: %d, used=%d, file=%d", con->http.fd, |
819347a7 | 947 | con->http.used, con->file); |
55809c6f | 948 | |
901b295d | 949 | if (con->http.error) |
950 | { | |
819347a7 | 951 | LogMessage(L_DEBUG2, "ReadClient: http error seen..."); |
952 | return (CloseClient(con)); | |
901b295d | 953 | } |
954 | ||
84f8a991 | 955 | #ifdef HAVE_SSL |
956 | if (con->auto_ssl) | |
957 | { | |
958 | /* | |
959 | * Automatically check for a SSL/TLS handshake... | |
960 | */ | |
961 | ||
962 | con->auto_ssl = 0; | |
963 | ||
d777dcf9 | 964 | if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 && |
965 | (!buf[0] || !strchr("DGHOPT", buf[0]))) | |
84f8a991 | 966 | { |
967 | /* | |
968 | * Encrypt this connection... | |
969 | */ | |
970 | ||
971 | LogMessage(L_DEBUG2, "ReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...", | |
972 | buf[0] & 255); | |
973 | ||
974 | EncryptClient(con); | |
975 | return (1); | |
976 | } | |
977 | } | |
978 | #endif /* HAVE_SSL */ | |
979 | ||
a74b005d | 980 | switch (con->http.state) |
981 | { | |
982 | case HTTP_WAITING : | |
983 | /* | |
984 | * See if we've received a request line... | |
985 | */ | |
986 | ||
987 | if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL) | |
93894a43 | 988 | { |
819347a7 | 989 | LogMessage(L_DEBUG2, "ReadClient: httpGets returned EOF..."); |
990 | return (CloseClient(con)); | |
93894a43 | 991 | } |
a74b005d | 992 | |
993 | /* | |
994 | * Ignore blank request lines... | |
995 | */ | |
996 | ||
997 | if (line[0] == '\0') | |
998 | break; | |
999 | ||
1000 | /* | |
1001 | * Clear other state variables... | |
1002 | */ | |
1003 | ||
1004 | httpClearFields(HTTP(con)); | |
1005 | ||
1006 | con->http.activity = time(NULL); | |
1007 | con->http.version = HTTP_1_0; | |
1008 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1009 | con->http.data_encoding = HTTP_ENCODE_LENGTH; | |
1010 | con->http.data_remaining = 0; | |
6a0c519d | 1011 | con->operation = HTTP_WAITING; |
1012 | con->bytes = 0; | |
6a2cceab | 1013 | con->file = -1; |
1014 | con->file_ready = 0; | |
a74b005d | 1015 | con->pipe_pid = 0; |
1016 | con->username[0] = '\0'; | |
1017 | con->password[0] = '\0'; | |
1018 | con->uri[0] = '\0'; | |
1019 | ||
fc757c63 | 1020 | ClearString(&con->command); |
1021 | ClearString(&con->options); | |
1022 | ||
a74b005d | 1023 | if (con->language != NULL) |
1024 | { | |
1025 | cupsLangFree(con->language); | |
1026 | con->language = NULL; | |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * Grab the request line... | |
1031 | */ | |
1032 | ||
970017a4 | 1033 | switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version)) |
a74b005d | 1034 | { |
1035 | case 1 : | |
11009aea | 1036 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
1037 | con->http.hostname); | |
a74b005d | 1038 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 1039 | return (CloseClient(con)); |
a74b005d | 1040 | case 2 : |
1041 | con->http.version = HTTP_0_9; | |
1042 | break; | |
1043 | case 3 : | |
1044 | if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2) | |
1045 | { | |
11009aea | 1046 | LogMessage(L_ERROR, "Bad request line \"%s\" from %s!", line, |
1047 | con->http.hostname); | |
a74b005d | 1048 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 1049 | return (CloseClient(con)); |
a74b005d | 1050 | } |
1051 | ||
1052 | if (major < 2) | |
1053 | { | |
1054 | con->http.version = (http_version_t)(major * 100 + minor); | |
753453e4 | 1055 | if (con->http.version == HTTP_1_1 && KeepAlive) |
a74b005d | 1056 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
1057 | else | |
1058 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1059 | } | |
1060 | else | |
1061 | { | |
1062 | SendError(con, HTTP_NOT_SUPPORTED); | |
819347a7 | 1063 | return (CloseClient(con)); |
a74b005d | 1064 | } |
1065 | break; | |
1066 | } | |
1067 | ||
f726e5b9 | 1068 | /* |
1069 | * Handle full URLs in the request line... | |
1070 | */ | |
1071 | ||
38e6ed71 | 1072 | if (con->uri[0] != '/' && strcmp(con->uri, "*")) |
f726e5b9 | 1073 | { |
1074 | char method[HTTP_MAX_URI], /* Method/scheme */ | |
1075 | userpass[HTTP_MAX_URI], /* Username:password */ | |
1076 | hostname[HTTP_MAX_URI], /* Hostname */ | |
1077 | resource[HTTP_MAX_URI]; /* Resource path */ | |
1078 | int port; /* Port number */ | |
1079 | ||
1080 | ||
1081 | /* | |
1082 | * Separate the URI into its components... | |
1083 | */ | |
1084 | ||
1085 | httpSeparate(con->uri, method, userpass, hostname, &port, resource); | |
1086 | ||
1087 | /* | |
1088 | * Only allow URIs with the servername, localhost, or an IP | |
1089 | * address... | |
1090 | */ | |
1091 | ||
1092 | if (strcasecmp(hostname, ServerName) && | |
1093 | strcasecmp(hostname, "localhost") && | |
1094 | !isdigit(hostname[0])) | |
1095 | { | |
1096 | /* | |
1097 | * Nope, we don't do proxies... | |
1098 | */ | |
1099 | ||
1100 | LogMessage(L_ERROR, "Bad URI \"%s\" in request!", con->uri); | |
1101 | SendError(con, HTTP_METHOD_NOT_ALLOWED); | |
819347a7 | 1102 | return (CloseClient(con)); |
f726e5b9 | 1103 | } |
1104 | ||
1105 | /* | |
1106 | * Copy the resource portion back into the URI; both resource and | |
1107 | * con->uri are HTTP_MAX_URI bytes in size... | |
1108 | */ | |
1109 | ||
1110 | strcpy(con->uri, resource); | |
1111 | } | |
1112 | ||
a74b005d | 1113 | /* |
1114 | * Process the request... | |
1115 | */ | |
1116 | ||
1117 | if (strcmp(operation, "GET") == 0) | |
1118 | con->http.state = HTTP_GET; | |
1119 | else if (strcmp(operation, "PUT") == 0) | |
1120 | con->http.state = HTTP_PUT; | |
1121 | else if (strcmp(operation, "POST") == 0) | |
1122 | con->http.state = HTTP_POST; | |
1123 | else if (strcmp(operation, "DELETE") == 0) | |
1124 | con->http.state = HTTP_DELETE; | |
1125 | else if (strcmp(operation, "TRACE") == 0) | |
1126 | con->http.state = HTTP_TRACE; | |
a74b005d | 1127 | else if (strcmp(operation, "OPTIONS") == 0) |
1128 | con->http.state = HTTP_OPTIONS; | |
1129 | else if (strcmp(operation, "HEAD") == 0) | |
1130 | con->http.state = HTTP_HEAD; | |
1131 | else | |
1132 | { | |
434ddc80 | 1133 | LogMessage(L_ERROR, "Bad operation \"%s\"!", operation); |
a74b005d | 1134 | SendError(con, HTTP_BAD_REQUEST); |
819347a7 | 1135 | return (CloseClient(con)); |
a74b005d | 1136 | } |
1137 | ||
6a0c519d | 1138 | con->start = time(NULL); |
1139 | con->operation = con->http.state; | |
1140 | ||
11009aea | 1141 | LogMessage(L_DEBUG, "ReadClient: %d %s %s HTTP/%d.%d", con->http.fd, |
4a64fdb7 | 1142 | operation, con->uri, |
1143 | con->http.version / 100, con->http.version % 100); | |
a74b005d | 1144 | |
1145 | con->http.status = HTTP_OK; | |
a74b005d | 1146 | |
8f85ff77 | 1147 | case HTTP_OPTIONS : |
a74b005d | 1148 | case HTTP_DELETE : |
1149 | case HTTP_GET : | |
1150 | case HTTP_HEAD : | |
1151 | case HTTP_POST : | |
1152 | case HTTP_PUT : | |
1153 | case HTTP_TRACE : | |
1154 | /* | |
1155 | * Parse incoming parameters until the status changes... | |
1156 | */ | |
1157 | ||
1158 | status = httpUpdate(HTTP(con)); | |
1159 | ||
1160 | if (status != HTTP_OK && status != HTTP_CONTINUE) | |
1161 | { | |
1162 | SendError(con, HTTP_BAD_REQUEST); | |
819347a7 | 1163 | return (CloseClient(con)); |
a74b005d | 1164 | } |
1165 | break; | |
d21a7597 | 1166 | |
1167 | default : | |
1168 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 1169 | } |
1170 | ||
1171 | /* | |
1172 | * Handle new transfers... | |
1173 | */ | |
1174 | ||
1175 | if (status == HTTP_OK) | |
1176 | { | |
5a617005 | 1177 | if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0]) |
08c0ff15 | 1178 | { |
1179 | /* | |
1180 | * Figure out the locale from the Accept-Language and Content-Type | |
1181 | * fields... | |
1182 | */ | |
1183 | ||
1184 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL) | |
1185 | *ptr = '\0'; | |
1186 | ||
1187 | if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL) | |
1188 | *ptr = '\0'; | |
1189 | ||
1190 | if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL) | |
1191 | { | |
1192 | /* | |
1193 | * Combine language and charset, and trim any extra params in the | |
1194 | * content-type. | |
1195 | */ | |
1196 | ||
1197 | snprintf(locale, sizeof(locale), "%s.%s", | |
1198 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8); | |
1199 | ||
1200 | if ((ptr = strchr(locale, ',')) != NULL) | |
1201 | *ptr = '\0'; | |
1202 | } | |
1203 | else | |
1204 | snprintf(locale, sizeof(locale), "%s.%s", | |
1205 | con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset); | |
1206 | ||
1207 | con->language = cupsLangGet(locale); | |
1208 | } | |
5a617005 | 1209 | else |
08c0ff15 | 1210 | con->language = cupsLangGet(DefaultLocale); |
a74b005d | 1211 | |
d2122fde | 1212 | decode_auth(con); |
a74b005d | 1213 | |
753453e4 | 1214 | if (strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) == 0 && |
1215 | KeepAlive) | |
b1ac1113 | 1216 | con->http.keep_alive = HTTP_KEEPALIVE_ON; |
1217 | ||
a74b005d | 1218 | if (con->http.fields[HTTP_FIELD_HOST][0] == '\0' && |
d558743f | 1219 | con->http.version >= HTTP_1_1) |
a74b005d | 1220 | { |
d558743f | 1221 | /* |
1222 | * HTTP/1.1 and higher require the "Host:" field... | |
1223 | */ | |
1224 | ||
a74b005d | 1225 | if (!SendError(con, HTTP_BAD_REQUEST)) |
819347a7 | 1226 | return (CloseClient(con)); |
a74b005d | 1227 | } |
8f85ff77 | 1228 | else if (con->operation == HTTP_OPTIONS) |
1229 | { | |
1230 | /* | |
1231 | * Do OPTIONS command... | |
1232 | */ | |
1233 | ||
99baf768 | 1234 | if ((con->best = FindBest(con->uri, con->http.state)) != NULL && |
1235 | con->best->type != AUTH_NONE) | |
8f85ff77 | 1236 | { |
1237 | if (!SendHeader(con, HTTP_UNAUTHORIZED, NULL)) | |
819347a7 | 1238 | return (CloseClient(con)); |
8f85ff77 | 1239 | } |
a75c006a | 1240 | |
8c367b6f | 1241 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && |
a75c006a | 1242 | con->http.tls == NULL) |
8f85ff77 | 1243 | { |
bcf61448 | 1244 | #ifdef HAVE_SSL |
a75c006a | 1245 | /* |
1246 | * Do encryption stuff... | |
1247 | */ | |
1248 | ||
b38fb7fc | 1249 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1250 | return (CloseClient(con)); |
a75c006a | 1251 | |
1252 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); | |
b5cb0608 | 1253 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1254 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
a75c006a | 1255 | httpPrintf(HTTP(con), "\r\n"); |
1256 | ||
1257 | EncryptClient(con); | |
1258 | #else | |
1259 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1260 | return (CloseClient(con)); |
bcf61448 | 1261 | #endif /* HAVE_SSL */ |
a75c006a | 1262 | } |
1263 | ||
65c098da | 1264 | if (con->http.expect) |
1265 | { | |
1266 | /**** TODO: send expected header ****/ | |
1267 | } | |
1268 | ||
a75c006a | 1269 | if (!SendHeader(con, HTTP_OK, NULL)) |
819347a7 | 1270 | return (CloseClient(con)); |
8f85ff77 | 1271 | |
753453e4 | 1272 | httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n"); |
1c6682dd | 1273 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
8f85ff77 | 1274 | httpPrintf(HTTP(con), "\r\n"); |
1275 | } | |
3780dd72 | 1276 | else if (!is_path_absolute(con->uri)) |
a74b005d | 1277 | { |
1278 | /* | |
1279 | * Protect against malicious users! | |
1280 | */ | |
1281 | ||
1282 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1283 | return (CloseClient(con)); |
a74b005d | 1284 | } |
b38fb7fc | 1285 | else |
a74b005d | 1286 | { |
8c367b6f | 1287 | if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") && |
b5cb0608 | 1288 | con->http.tls == NULL) |
b38fb7fc | 1289 | { |
bcf61448 | 1290 | #ifdef HAVE_SSL |
b38fb7fc | 1291 | /* |
1292 | * Do encryption stuff... | |
1293 | */ | |
f3d580b9 | 1294 | |
b38fb7fc | 1295 | if (!SendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL)) |
819347a7 | 1296 | return (CloseClient(con)); |
f969a074 | 1297 | |
b38fb7fc | 1298 | httpPrintf(HTTP(con), "Connection: Upgrade\r\n"); |
b5cb0608 | 1299 | httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n"); |
1c6682dd | 1300 | httpPrintf(HTTP(con), "Content-Length: 0\r\n"); |
b38fb7fc | 1301 | httpPrintf(HTTP(con), "\r\n"); |
1302 | ||
1303 | EncryptClient(con); | |
1304 | #else | |
1305 | if (!SendError(con, HTTP_NOT_IMPLEMENTED)) | |
819347a7 | 1306 | return (CloseClient(con)); |
bcf61448 | 1307 | #endif /* HAVE_SSL */ |
b38fb7fc | 1308 | } |
b5cb0608 | 1309 | |
99baf768 | 1310 | con->best = FindBest(con->uri, con->http.state); |
1311 | ||
1312 | if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK) | |
b38fb7fc | 1313 | { |
2d5e06dd | 1314 | LogMessage(L_DEBUG2, "ReadClient: Unauthorized request for %s...\n", |
1315 | con->uri); | |
b38fb7fc | 1316 | SendError(con, status); |
819347a7 | 1317 | return (CloseClient(con)); |
b38fb7fc | 1318 | } |
1319 | ||
65c098da | 1320 | if (con->http.expect) |
1321 | { | |
1322 | /**** TODO: send expected header ****/ | |
1323 | } | |
1324 | ||
b38fb7fc | 1325 | switch (con->http.state) |
1326 | { | |
1327 | case HTTP_GET_SEND : | |
1328 | if (strncmp(con->uri, "/printers/", 10) == 0 && | |
1329 | strcmp(con->uri + strlen(con->uri) - 4, ".ppd") == 0) | |
2a8fc30c | 1330 | { |
b38fb7fc | 1331 | /* |
1332 | * Send PPD file - get the real printer name since printer | |
1333 | * names are not case sensitive but filenames can be... | |
1334 | */ | |
2a8fc30c | 1335 | |
b38fb7fc | 1336 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
f3d580b9 | 1337 | |
b38fb7fc | 1338 | if ((p = FindPrinter(con->uri + 10)) != NULL) |
1339 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1340 | else | |
1341 | { | |
1342 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1343 | return (CloseClient(con)); |
a74b005d | 1344 | |
b38fb7fc | 1345 | break; |
1346 | } | |
b14d90ba | 1347 | } |
b38fb7fc | 1348 | |
d694b7ed | 1349 | if ((!strncmp(con->uri, "/admin", 6) && |
1350 | strncmp(con->uri, "/admin/conf/", 12) && | |
1351 | strncmp(con->uri, "/admin/log/", 11)) || | |
1352 | !strncmp(con->uri, "/printers", 9) || | |
1353 | !strncmp(con->uri, "/classes", 8) || | |
771b76de | 1354 | !strncmp(con->uri, "/help", 5) || |
d694b7ed | 1355 | !strncmp(con->uri, "/jobs", 5)) |
b14d90ba | 1356 | { |
b38fb7fc | 1357 | /* |
1358 | * Send CGI output... | |
1359 | */ | |
1360 | ||
d694b7ed | 1361 | if (!strncmp(con->uri, "/admin", 6)) |
b38fb7fc | 1362 | { |
fc757c63 | 1363 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
ff346847 | 1364 | |
1365 | if ((ptr = strchr(con->uri + 6, '?')) != NULL) | |
1366 | SetStringf(&con->options, "admin%s", ptr); | |
1367 | else | |
1368 | SetString(&con->options, "admin"); | |
b38fb7fc | 1369 | } |
d694b7ed | 1370 | else if (!strncmp(con->uri, "/printers", 9)) |
b38fb7fc | 1371 | { |
fc757c63 | 1372 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1373 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1374 | } |
d694b7ed | 1375 | else if (!strncmp(con->uri, "/classes", 8)) |
b38fb7fc | 1376 | { |
fc757c63 | 1377 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1378 | SetString(&con->options, con->uri + 8); | |
b38fb7fc | 1379 | } |
771b76de | 1380 | else if (!strncmp(con->uri, "/jobs", 5)) |
b38fb7fc | 1381 | { |
fc757c63 | 1382 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
e060a567 | 1383 | SetString(&con->options, con->uri + 5); |
ff346847 | 1384 | } |
771b76de | 1385 | else |
1386 | { | |
1387 | SetStringf(&con->command, "%s/cgi-bin/help.cgi", ServerBin); | |
1388 | SetString(&con->options, con->uri + 5); | |
1389 | } | |
b38fb7fc | 1390 | |
e060a567 | 1391 | if (con->options[0] == '/') |
2625096f | 1392 | _cups_strcpy(con->options, con->options + 1); |
e060a567 | 1393 | |
b38d93df | 1394 | if (!SendCommand(con, con->command, con->options, 0)) |
b38fb7fc | 1395 | { |
1396 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1397 | return (CloseClient(con)); |
b38fb7fc | 1398 | } |
1399 | else | |
1400 | LogRequest(con, HTTP_OK); | |
1401 | ||
1402 | if (con->http.version <= HTTP_1_0) | |
1403 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
b14d90ba | 1404 | } |
d694b7ed | 1405 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && |
1406 | (strchr(con->uri + 12, '/') || | |
1407 | strlen(con->uri) == 12)) || | |
1408 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1409 | (strchr(con->uri + 11, '/') || | |
1410 | strlen(con->uri) == 11))) | |
753453e4 | 1411 | { |
1412 | /* | |
1413 | * GET can only be done to configuration files under | |
1414 | * /admin/conf... | |
1415 | */ | |
1416 | ||
1417 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1418 | return (CloseClient(con)); |
753453e4 | 1419 | |
1420 | break; | |
1421 | } | |
b14d90ba | 1422 | else |
1423 | { | |
b38fb7fc | 1424 | /* |
1425 | * Serve a file... | |
1426 | */ | |
1427 | ||
6db7190f | 1428 | if ((filename = get_file(con, &filestats, buf, |
1429 | sizeof(buf))) == NULL) | |
b38fb7fc | 1430 | { |
1431 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1432 | return (CloseClient(con)); |
e6221033 | 1433 | |
1434 | break; | |
1435 | } | |
1436 | ||
d59a189c | 1437 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1438 | |
1439 | if (IsCGI(con, filename, &filestats, type)) | |
1440 | { | |
f6b55e0c | 1441 | /* |
1442 | * Note: con->command and con->options were set by | |
1443 | * IsCGI()... | |
1444 | */ | |
1445 | ||
b38d93df | 1446 | if (!SendCommand(con, con->command, con->options, 0)) |
e6221033 | 1447 | { |
1448 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1449 | return (CloseClient(con)); |
e6221033 | 1450 | } |
1451 | else | |
1452 | LogRequest(con, HTTP_OK); | |
1453 | ||
1454 | if (con->http.version <= HTTP_1_0) | |
1455 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1456 | break; | |
b38fb7fc | 1457 | } |
e6221033 | 1458 | |
1459 | if (!check_if_modified(con, &filestats)) | |
b38fb7fc | 1460 | { |
1461 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1462 | return (CloseClient(con)); |
b38fb7fc | 1463 | } |
1464 | else | |
1465 | { | |
b38fb7fc | 1466 | if (type == NULL) |
1467 | strcpy(line, "text/plain"); | |
1468 | else | |
1469 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
1470 | ||
1471 | if (!SendFile(con, HTTP_OK, filename, line, &filestats)) | |
819347a7 | 1472 | return (CloseClient(con)); |
b38fb7fc | 1473 | } |
b14d90ba | 1474 | } |
b38fb7fc | 1475 | break; |
1476 | ||
1477 | case HTTP_POST_RECV : | |
1478 | /* | |
1479 | * See if the POST request includes a Content-Length field, and if | |
1480 | * so check the length against any limits that are set... | |
1481 | */ | |
b14d90ba | 1482 | |
b38fb7fc | 1483 | LogMessage(L_DEBUG2, "POST %s", con->uri); |
1484 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
b14d90ba | 1485 | |
b38fb7fc | 1486 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && |
1487 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1488 | MaxRequestSize > 0) | |
a74b005d | 1489 | { |
b38fb7fc | 1490 | /* |
1491 | * Request too large... | |
1492 | */ | |
1493 | ||
1494 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1495 | return (CloseClient(con)); |
b38fb7fc | 1496 | |
1497 | break; | |
a74b005d | 1498 | } |
901b295d | 1499 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1500 | { | |
1501 | /* | |
1502 | * Negative content lengths are invalid! | |
1503 | */ | |
1504 | ||
1505 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1506 | return (CloseClient(con)); |
901b295d | 1507 | |
1508 | break; | |
1509 | } | |
a74b005d | 1510 | |
b38fb7fc | 1511 | /* |
1512 | * See what kind of POST request this is; for IPP requests the | |
1513 | * content-type field will be "application/ipp"... | |
a74b005d | 1514 | */ |
1515 | ||
b38fb7fc | 1516 | if (strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "application/ipp") == 0) |
1517 | con->request = ippNew(); | |
d2e43d2e | 1518 | else if ((!strncmp(con->uri, "/admin", 6) && |
771b76de | 1519 | strncmp(con->uri, "/admin/conf/", 12) && |
1520 | strncmp(con->uri, "/admin/log/", 11)) || | |
1521 | !strncmp(con->uri, "/printers", 9) || | |
1522 | !strncmp(con->uri, "/classes", 8) || | |
1523 | !strncmp(con->uri, "/help", 5) || | |
1524 | !strncmp(con->uri, "/jobs", 5)) | |
a74b005d | 1525 | { |
b38fb7fc | 1526 | /* |
1527 | * CGI request... | |
1528 | */ | |
1529 | ||
771b76de | 1530 | if (!strncmp(con->uri, "/admin", 6)) |
a74b005d | 1531 | { |
fc757c63 | 1532 | SetStringf(&con->command, "%s/cgi-bin/admin.cgi", ServerBin); |
e060a567 | 1533 | |
1534 | if ((ptr = strchr(con->uri + 6, '?')) != NULL) | |
1535 | SetStringf(&con->options, "admin%s", ptr); | |
1536 | else | |
1537 | SetString(&con->options, "admin"); | |
a74b005d | 1538 | } |
771b76de | 1539 | else if (!strncmp(con->uri, "/printers", 9)) |
a74b005d | 1540 | { |
fc757c63 | 1541 | SetStringf(&con->command, "%s/cgi-bin/printers.cgi", ServerBin); |
1542 | SetString(&con->options, con->uri + 9); | |
b38fb7fc | 1543 | } |
771b76de | 1544 | else if (!strncmp(con->uri, "/classes", 8)) |
b38fb7fc | 1545 | { |
fc757c63 | 1546 | SetStringf(&con->command, "%s/cgi-bin/classes.cgi", ServerBin); |
1547 | SetString(&con->options, con->uri + 8); | |
a74b005d | 1548 | } |
771b76de | 1549 | else if (!strncmp(con->uri, "/jobs", 5)) |
a74b005d | 1550 | { |
fc757c63 | 1551 | SetStringf(&con->command, "%s/cgi-bin/jobs.cgi", ServerBin); |
1552 | SetString(&con->options, con->uri + 5); | |
a74b005d | 1553 | } |
771b76de | 1554 | else |
1555 | { | |
1556 | SetStringf(&con->command, "%s/cgi-bin/help.cgi", ServerBin); | |
1557 | SetString(&con->options, con->uri + 5); | |
1558 | } | |
8b43895a | 1559 | |
b38fb7fc | 1560 | if (con->options[0] == '/') |
2625096f | 1561 | _cups_strcpy(con->options, con->options + 1); |
f63a2256 | 1562 | |
11009aea | 1563 | LogMessage(L_DEBUG2, "ReadClient: %d command=\"%s\", options = \"%s\"", |
b38fb7fc | 1564 | con->http.fd, con->command, con->options); |
8b43895a | 1565 | |
b38fb7fc | 1566 | if (con->http.version <= HTTP_1_0) |
1567 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
1568 | } | |
e6221033 | 1569 | else |
8b43895a | 1570 | { |
e6221033 | 1571 | /* |
1572 | * POST to a file... | |
1573 | */ | |
1574 | ||
1575 | if ((filename = get_file(con, &filestats, buf, | |
1576 | sizeof(buf))) == NULL) | |
1577 | { | |
1578 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1579 | return (CloseClient(con)); |
e6221033 | 1580 | |
1581 | break; | |
1582 | } | |
1583 | ||
d59a189c | 1584 | type = mimeFileType(MimeDatabase, filename, NULL); |
e6221033 | 1585 | |
1586 | if (!IsCGI(con, filename, &filestats, type)) | |
1587 | { | |
1588 | /* | |
1589 | * Only POST to CGI's... | |
1590 | */ | |
1591 | ||
1592 | if (!SendError(con, HTTP_UNAUTHORIZED)) | |
819347a7 | 1593 | return (CloseClient(con)); |
e6221033 | 1594 | } |
8b43895a | 1595 | } |
8b43895a | 1596 | break; |
b14d90ba | 1597 | |
b38fb7fc | 1598 | case HTTP_PUT_RECV : |
753453e4 | 1599 | /* |
1600 | * Validate the resource name... | |
1601 | */ | |
1602 | ||
771b76de | 1603 | if (strncmp(con->uri, "/admin/conf/", 12) || |
1604 | strchr(con->uri + 12, '/') || | |
753453e4 | 1605 | strlen(con->uri) == 12) |
1606 | { | |
1607 | /* | |
1608 | * PUT can only be done to configuration files under | |
1609 | * /admin/conf... | |
1610 | */ | |
1611 | ||
1612 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1613 | return (CloseClient(con)); |
753453e4 | 1614 | |
1615 | break; | |
1616 | } | |
1617 | ||
1618 | /* | |
1619 | * See if the PUT request includes a Content-Length field, and if | |
1620 | * so check the length against any limits that are set... | |
1621 | */ | |
1622 | ||
1623 | LogMessage(L_DEBUG2, "PUT %s", con->uri); | |
1624 | LogMessage(L_DEBUG2, "CONTENT_TYPE = %s", con->http.fields[HTTP_FIELD_CONTENT_TYPE]); | |
1625 | ||
1626 | if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] && | |
1627 | atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) > MaxRequestSize && | |
1628 | MaxRequestSize > 0) | |
1629 | { | |
1630 | /* | |
1631 | * Request too large... | |
1632 | */ | |
1633 | ||
1634 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1635 | return (CloseClient(con)); |
753453e4 | 1636 | |
1637 | break; | |
1638 | } | |
0cd4970e | 1639 | else if (atoi(con->http.fields[HTTP_FIELD_CONTENT_LENGTH]) < 0) |
1640 | { | |
1641 | /* | |
1642 | * Negative content lengths are invalid! | |
1643 | */ | |
1644 | ||
1645 | if (!SendError(con, HTTP_BAD_REQUEST)) | |
819347a7 | 1646 | return (CloseClient(con)); |
0cd4970e | 1647 | |
1648 | break; | |
1649 | } | |
753453e4 | 1650 | |
1651 | /* | |
1652 | * Open a temporary file to hold the request... | |
1653 | */ | |
1654 | ||
fc757c63 | 1655 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
753453e4 | 1656 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
753453e4 | 1657 | |
11009aea | 1658 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
753453e4 | 1659 | con->filename, con->file); |
1660 | ||
1661 | if (con->file < 0) | |
1662 | { | |
1663 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1664 | return (CloseClient(con)); |
753453e4 | 1665 | } |
db3c5bfd | 1666 | |
1667 | fchmod(con->file, 0640); | |
1668 | fchown(con->file, RunUser, Group); | |
1669 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
753453e4 | 1670 | break; |
1671 | ||
b38fb7fc | 1672 | case HTTP_DELETE : |
1673 | case HTTP_TRACE : | |
1674 | SendError(con, HTTP_NOT_IMPLEMENTED); | |
819347a7 | 1675 | return (CloseClient(con)); |
b14d90ba | 1676 | |
b38fb7fc | 1677 | case HTTP_HEAD : |
771b76de | 1678 | if (!strncmp(con->uri, "/printers/", 10) && |
1679 | !strcmp(con->uri + strlen(con->uri) - 4, ".ppd")) | |
bd84e0d1 | 1680 | { |
b38fb7fc | 1681 | /* |
d588a92e | 1682 | * Send PPD file - get the real printer name since printer |
1683 | * names are not case sensitive but filenames can be... | |
b38fb7fc | 1684 | */ |
a74b005d | 1685 | |
d588a92e | 1686 | con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */ |
1687 | ||
1688 | if ((p = FindPrinter(con->uri + 10)) != NULL) | |
1689 | snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name); | |
1690 | else | |
1691 | { | |
1692 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 1693 | return (CloseClient(con)); |
d588a92e | 1694 | |
1695 | break; | |
1696 | } | |
b38fb7fc | 1697 | } |
a74b005d | 1698 | |
771b76de | 1699 | if ((!strncmp(con->uri, "/admin", 6) && |
1700 | strncmp(con->uri, "/admin/conf/", 12) && | |
1701 | strncmp(con->uri, "/admin/log/", 11)) || | |
1702 | !strncmp(con->uri, "/printers", 9) || | |
1703 | !strncmp(con->uri, "/classes", 8) || | |
1704 | !strncmp(con->uri, "/help", 5) || | |
1705 | !strncmp(con->uri, "/jobs", 5)) | |
b38fb7fc | 1706 | { |
1707 | /* | |
1708 | * CGI output... | |
1709 | */ | |
f3d580b9 | 1710 | |
b38fb7fc | 1711 | if (!SendHeader(con, HTTP_OK, "text/html")) |
819347a7 | 1712 | return (CloseClient(con)); |
f3d580b9 | 1713 | |
b38fb7fc | 1714 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1715 | return (CloseClient(con)); |
a74b005d | 1716 | |
b38fb7fc | 1717 | LogRequest(con, HTTP_OK); |
a74b005d | 1718 | } |
771b76de | 1719 | else if ((!strncmp(con->uri, "/admin/conf/", 12) && |
1720 | (strchr(con->uri + 12, '/') || | |
1721 | strlen(con->uri) == 12)) || | |
1722 | (!strncmp(con->uri, "/admin/log/", 11) && | |
1723 | (strchr(con->uri + 11, '/') || | |
1724 | strlen(con->uri) == 11))) | |
753453e4 | 1725 | { |
1726 | /* | |
1727 | * HEAD can only be done to configuration files under | |
1728 | * /admin/conf... | |
1729 | */ | |
1730 | ||
1731 | if (!SendError(con, HTTP_FORBIDDEN)) | |
819347a7 | 1732 | return (CloseClient(con)); |
753453e4 | 1733 | |
1734 | break; | |
1735 | } | |
6db7190f | 1736 | else if ((filename = get_file(con, &filestats, buf, |
1737 | sizeof(buf))) == NULL) | |
a74b005d | 1738 | { |
b38fb7fc | 1739 | if (!SendHeader(con, HTTP_NOT_FOUND, "text/html")) |
819347a7 | 1740 | return (CloseClient(con)); |
6a0c519d | 1741 | |
b38fb7fc | 1742 | LogRequest(con, HTTP_NOT_FOUND); |
a74b005d | 1743 | } |
b38fb7fc | 1744 | else if (!check_if_modified(con, &filestats)) |
1745 | { | |
1746 | if (!SendError(con, HTTP_NOT_MODIFIED)) | |
819347a7 | 1747 | return (CloseClient(con)); |
6a0c519d | 1748 | |
b38fb7fc | 1749 | LogRequest(con, HTTP_NOT_MODIFIED); |
a74b005d | 1750 | } |
b38fb7fc | 1751 | else |
1752 | { | |
1753 | /* | |
1754 | * Serve a file... | |
1755 | */ | |
6a0c519d | 1756 | |
d59a189c | 1757 | type = mimeFileType(MimeDatabase, filename, NULL); |
b38fb7fc | 1758 | if (type == NULL) |
1759 | strcpy(line, "text/plain"); | |
1760 | else | |
1761 | snprintf(line, sizeof(line), "%s/%s", type->super, type->type); | |
a74b005d | 1762 | |
b38fb7fc | 1763 | if (!SendHeader(con, HTTP_OK, line)) |
819347a7 | 1764 | return (CloseClient(con)); |
a74b005d | 1765 | |
b38fb7fc | 1766 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", |
1767 | httpGetDateString(filestats.st_mtime)) < 0) | |
819347a7 | 1768 | return (CloseClient(con)); |
a74b005d | 1769 | |
753453e4 | 1770 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
1771 | (unsigned long)filestats.st_size) < 0) | |
819347a7 | 1772 | return (CloseClient(con)); |
b38fb7fc | 1773 | |
1774 | LogRequest(con, HTTP_OK); | |
a74b005d | 1775 | } |
1776 | ||
b38fb7fc | 1777 | if (httpPrintf(HTTP(con), "\r\n") < 0) |
819347a7 | 1778 | return (CloseClient(con)); |
6a0c519d | 1779 | |
b38fb7fc | 1780 | con->http.state = HTTP_WAITING; |
1781 | break; | |
a74b005d | 1782 | |
b38fb7fc | 1783 | default : |
1784 | break; /* Anti-compiler-warning-code */ | |
1785 | } | |
a74b005d | 1786 | } |
1787 | } | |
1788 | ||
1789 | /* | |
1790 | * Handle any incoming data... | |
1791 | */ | |
1792 | ||
1793 | switch (con->http.state) | |
1794 | { | |
1795 | case HTTP_PUT_RECV : | |
11009aea | 1796 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
753453e4 | 1797 | con->http.fd, |
1798 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", | |
1799 | con->http.data_remaining, con->file); | |
1800 | ||
1801 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) | |
819347a7 | 1802 | return (CloseClient(con)); |
753453e4 | 1803 | else if (bytes > 0) |
1804 | { | |
1805 | con->bytes += bytes; | |
1806 | ||
11009aea | 1807 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
753453e4 | 1808 | con->http.fd, bytes, con->file); |
1809 | ||
1810 | if (write(con->file, line, bytes) < bytes) | |
1811 | { | |
1812 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", | |
1813 | bytes, con->filename, strerror(errno)); | |
1814 | ||
6cd03542 | 1815 | LogMessage(L_DEBUG2, "ReadClient: Closing data file %d...", |
1816 | con->file); | |
1817 | ||
753453e4 | 1818 | close(con->file); |
6a2cceab | 1819 | con->file = -1; |
753453e4 | 1820 | unlink(con->filename); |
fc757c63 | 1821 | ClearString(&con->filename); |
753453e4 | 1822 | |
1823 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1824 | return (CloseClient(con)); |
753453e4 | 1825 | } |
1826 | } | |
1827 | ||
1828 | if (con->http.state == HTTP_WAITING) | |
1829 | { | |
1830 | /* | |
1831 | * End of file, see how big it is... | |
1832 | */ | |
1833 | ||
1834 | fstat(con->file, &filestats); | |
1835 | ||
11009aea | 1836 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1837 | con->http.fd, con->file, (int)filestats.st_size); |
753453e4 | 1838 | |
1839 | close(con->file); | |
6a2cceab | 1840 | con->file = -1; |
753453e4 | 1841 | |
1842 | if (filestats.st_size > MaxRequestSize && | |
1843 | MaxRequestSize > 0) | |
1844 | { | |
1845 | /* | |
1846 | * Request is too big; remove it and send an error... | |
1847 | */ | |
1848 | ||
11009aea | 1849 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
753453e4 | 1850 | con->http.fd, con->filename); |
1851 | unlink(con->filename); | |
fc757c63 | 1852 | ClearString(&con->filename); |
753453e4 | 1853 | |
1854 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1855 | return (CloseClient(con)); |
753453e4 | 1856 | } |
1857 | ||
1858 | /* | |
1859 | * Install the configuration file... | |
1860 | */ | |
1861 | ||
1862 | status = install_conf_file(con); | |
1863 | ||
1864 | /* | |
1865 | * Return the status to the client... | |
1866 | */ | |
1867 | ||
1868 | if (!SendError(con, status)) | |
819347a7 | 1869 | return (CloseClient(con)); |
753453e4 | 1870 | } |
a74b005d | 1871 | break; |
1872 | ||
1873 | case HTTP_POST_RECV : | |
11009aea | 1874 | LogMessage(L_DEBUG2, "ReadClient: %d con->data_encoding = %s, con->data_remaining = %d, con->file = %d", |
93894a43 | 1875 | con->http.fd, |
a74b005d | 1876 | con->http.data_encoding == HTTP_ENCODE_CHUNKED ? "chunked" : "length", |
f63a2256 | 1877 | con->http.data_remaining, con->file); |
a74b005d | 1878 | |
b14d90ba | 1879 | if (con->request != NULL) |
1880 | { | |
1881 | /* | |
1882 | * Grab any request data from the connection... | |
1883 | */ | |
1884 | ||
bd176c9c | 1885 | if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR) |
1886 | { | |
11009aea | 1887 | LogMessage(L_ERROR, "ReadClient: %d IPP Read Error!", |
bd176c9c | 1888 | con->http.fd); |
3955a26e | 1889 | |
819347a7 | 1890 | SendError(con, HTTP_BAD_REQUEST); |
1891 | return (CloseClient(con)); | |
bd176c9c | 1892 | } |
1893 | else if (ipp_state != IPP_DATA) | |
3023f981 | 1894 | { |
1895 | if (con->http.state == HTTP_POST_SEND) | |
1896 | { | |
1897 | SendError(con, HTTP_BAD_REQUEST); | |
1898 | return (CloseClient(con)); | |
1899 | } | |
1900 | ||
b14d90ba | 1901 | break; |
3023f981 | 1902 | } |
68ff4f01 | 1903 | else |
1904 | con->bytes += ippLength(con->request); | |
f63a2256 | 1905 | } |
b14d90ba | 1906 | |
6a2cceab | 1907 | if (con->file < 0 && con->http.state != HTTP_POST_SEND) |
f63a2256 | 1908 | { |
1909 | /* | |
1910 | * Create a file as needed for the request data... | |
1911 | */ | |
1d2c70a6 | 1912 | |
fc757c63 | 1913 | SetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++); |
f63a2256 | 1914 | con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
b14d90ba | 1915 | |
11009aea | 1916 | LogMessage(L_DEBUG2, "ReadClient: %d REQUEST %s=%d", con->http.fd, |
a61a2be6 | 1917 | con->filename, con->file); |
b14d90ba | 1918 | |
f63a2256 | 1919 | if (con->file < 0) |
1920 | { | |
1921 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1922 | return (CloseClient(con)); |
b14d90ba | 1923 | } |
db3c5bfd | 1924 | |
1925 | fchmod(con->file, 0640); | |
1926 | fchown(con->file, RunUser, Group); | |
1927 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
f63a2256 | 1928 | } |
b14d90ba | 1929 | |
bfa1abf0 | 1930 | if (con->http.state != HTTP_POST_SEND) |
a74b005d | 1931 | { |
bfa1abf0 | 1932 | if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0) |
819347a7 | 1933 | return (CloseClient(con)); |
bfa1abf0 | 1934 | else if (bytes > 0) |
1935 | { | |
1936 | con->bytes += bytes; | |
a74b005d | 1937 | |
11009aea | 1938 | LogMessage(L_DEBUG2, "ReadClient: %d writing %d bytes to %d", |
a61a2be6 | 1939 | con->http.fd, bytes, con->file); |
bfa1abf0 | 1940 | |
1941 | if (write(con->file, line, bytes) < bytes) | |
a74b005d | 1942 | { |
a61a2be6 | 1943 | LogMessage(L_ERROR, "ReadClient: Unable to write %d bytes to %s: %s", |
1944 | bytes, con->filename, strerror(errno)); | |
1945 | ||
6cd03542 | 1946 | LogMessage(L_DEBUG2, "ReadClient: Closing file %d...", |
1947 | con->file); | |
1948 | ||
bfa1abf0 | 1949 | close(con->file); |
6a2cceab | 1950 | con->file = -1; |
bfa1abf0 | 1951 | unlink(con->filename); |
fc757c63 | 1952 | ClearString(&con->filename); |
bfa1abf0 | 1953 | |
1954 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1955 | return (CloseClient(con)); |
a74b005d | 1956 | } |
1957 | } | |
6faac3f3 | 1958 | else if (con->http.state == HTTP_POST_RECV) |
819347a7 | 1959 | return (1); /* ??? */ |
bd176c9c | 1960 | else if (con->http.state != HTTP_POST_SEND) |
819347a7 | 1961 | return (CloseClient(con)); |
a74b005d | 1962 | } |
93894a43 | 1963 | |
1964 | if (con->http.state == HTTP_POST_SEND) | |
1965 | { | |
6a2cceab | 1966 | if (con->file >= 0) |
bfa1abf0 | 1967 | { |
8b43895a | 1968 | fstat(con->file, &filestats); |
bd917997 | 1969 | |
11009aea | 1970 | LogMessage(L_DEBUG2, "ReadClient: %d Closing data file %d, size = %d.", |
aa7e125a | 1971 | con->http.fd, con->file, (int)filestats.st_size); |
bd917997 | 1972 | |
bfa1abf0 | 1973 | close(con->file); |
6a2cceab | 1974 | con->file = -1; |
8b43895a | 1975 | |
1976 | if (filestats.st_size > MaxRequestSize && | |
1977 | MaxRequestSize > 0) | |
1978 | { | |
1979 | /* | |
1980 | * Request is too big; remove it and send an error... | |
1981 | */ | |
1982 | ||
11009aea | 1983 | LogMessage(L_DEBUG2, "ReadClient: %d Removing temp file %s", |
a61a2be6 | 1984 | con->http.fd, con->filename); |
8b43895a | 1985 | unlink(con->filename); |
fc757c63 | 1986 | ClearString(&con->filename); |
8b43895a | 1987 | |
1988 | if (con->request) | |
1989 | { | |
1990 | /* | |
1991 | * Delete any IPP request data... | |
1992 | */ | |
1993 | ||
1994 | ippDelete(con->request); | |
1995 | con->request = NULL; | |
1996 | } | |
1997 | ||
1998 | if (!SendError(con, HTTP_REQUEST_TOO_LARGE)) | |
819347a7 | 1999 | return (CloseClient(con)); |
8b43895a | 2000 | } |
f63a2256 | 2001 | |
fc757c63 | 2002 | if (con->command) |
f63a2256 | 2003 | { |
b38d93df | 2004 | if (!SendCommand(con, con->command, con->options, 0)) |
f63a2256 | 2005 | { |
2006 | if (!SendError(con, HTTP_NOT_FOUND)) | |
819347a7 | 2007 | return (CloseClient(con)); |
f63a2256 | 2008 | } |
2009 | else | |
2010 | LogRequest(con, HTTP_OK); | |
2011 | } | |
bfa1abf0 | 2012 | } |
93894a43 | 2013 | |
2014 | if (con->request) | |
6e3d4276 | 2015 | return (ProcessIPPRequest(con)); |
93894a43 | 2016 | } |
a74b005d | 2017 | break; |
d21a7597 | 2018 | |
2019 | default : | |
2020 | break; /* Anti-compiler-warning-code */ | |
a74b005d | 2021 | } |
2022 | ||
2023 | if (!con->http.keep_alive && con->http.state == HTTP_WAITING) | |
819347a7 | 2024 | return (CloseClient(con)); |
a74b005d | 2025 | else |
2026 | return (1); | |
2027 | } | |
2028 | ||
2029 | ||
a74b005d | 2030 | /* |
2031 | * 'SendCommand()' - Send output from a command via HTTP. | |
2032 | */ | |
2033 | ||
1d5ef583 | 2034 | int /* O - 1 on success, 0 on failure */ |
2035 | SendCommand(client_t *con, /* I - Client connection */ | |
2036 | char *command, /* I - Command to run */ | |
b38d93df | 2037 | char *options, /* I - Command-line options */ |
2038 | int root) /* I - Run as root? */ | |
a74b005d | 2039 | { |
1d5ef583 | 2040 | int fd; /* Standard input file descriptor */ |
f63a2256 | 2041 | |
2042 | ||
fc757c63 | 2043 | if (con->filename) |
f63a2256 | 2044 | fd = open(con->filename, O_RDONLY); |
2045 | else | |
2046 | fd = open("/dev/null", O_RDONLY); | |
2047 | ||
db3c5bfd | 2048 | if (fd < 0) |
2049 | { | |
2050 | LogMessage(L_ERROR, "SendCommand: %d Unable to open \"%s\" for reading: %s", | |
2051 | con->http.fd, con->filename ? con->filename : "/dev/null", | |
2052 | strerror(errno)); | |
2053 | return (0); | |
2054 | } | |
2055 | ||
2056 | fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); | |
2057 | ||
b38d93df | 2058 | con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root); |
f63a2256 | 2059 | |
2060 | close(fd); | |
a74b005d | 2061 | |
b5cb0608 | 2062 | LogMessage(L_INFO, "Started \"%s\" (pid=%d)", command, con->pipe_pid); |
2063 | ||
6a2cceab | 2064 | LogMessage(L_DEBUG, "SendCommand: %d file=%d", con->http.fd, con->file); |
a74b005d | 2065 | |
2066 | if (con->pipe_pid == 0) | |
2067 | return (0); | |
2068 | ||
2069 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); | |
2070 | ||
27eba2dd | 2071 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to InputSet...", con->file); |
e668e627 | 2072 | LogMessage(L_DEBUG2, "SendCommand: Adding fd %d to OutputSet...", |
2073 | con->http.fd); | |
2074 | ||
f3bc1068 | 2075 | FD_SET(con->file, InputSet); |
2076 | FD_SET(con->http.fd, OutputSet); | |
a74b005d | 2077 | |
d694b7ed | 2078 | con->sent_header = 0; |
2079 | con->file_ready = 0; | |
2080 | con->got_fields = 0; | |
2081 | con->field_col = 0; | |
13486cb7 | 2082 | |
a74b005d | 2083 | return (1); |
2084 | } | |
2085 | ||
2086 | ||
2087 | /* | |
2088 | * 'SendError()' - Send an error message via HTTP. | |
2089 | */ | |
2090 | ||
2091 | int /* O - 1 if successful, 0 otherwise */ | |
2092 | SendError(client_t *con, /* I - Connection */ | |
2093 | http_status_t code) /* I - Error code */ | |
2094 | { | |
83e740a5 | 2095 | char message[1024]; /* Message for user */ |
a74b005d | 2096 | |
2097 | ||
6a0c519d | 2098 | /* |
2099 | * Put the request in the access_log file... | |
2100 | */ | |
2101 | ||
11009aea | 2102 | LogRequest(con, code); |
6a0c519d | 2103 | |
11009aea | 2104 | LogMessage(L_DEBUG, "SendError: %d code=%d (%s)", con->http.fd, code, |
578b747f | 2105 | httpStatus(code)); |
a61a2be6 | 2106 | |
a74b005d | 2107 | /* |
2108 | * To work around bugs in some proxies, don't use Keep-Alive for some | |
2109 | * error messages... | |
2110 | */ | |
2111 | ||
2112 | if (code >= HTTP_BAD_REQUEST) | |
2113 | con->http.keep_alive = HTTP_KEEPALIVE_OFF; | |
2114 | ||
2115 | /* | |
2116 | * Send an error message back to the client. If the error code is a | |
2117 | * 400 or 500 series, make sure the message contains some text, too! | |
2118 | */ | |
2119 | ||
2120 | if (!SendHeader(con, code, NULL)) | |
2121 | return (0); | |
2122 | ||
bcf61448 | 2123 | #ifdef HAVE_SSL |
a75c006a | 2124 | if (code == HTTP_UPGRADE_REQUIRED) |
a75c006a | 2125 | if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0) |
2126 | return (0); | |
2127 | ||
b5cb0608 | 2128 | if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0) |
2129 | return (0); | |
bcf61448 | 2130 | #endif /* HAVE_SSL */ |
a75c006a | 2131 | |
55809c6f | 2132 | if ((con->http.version >= HTTP_1_1 && !con->http.keep_alive) || |
2133 | (code >= HTTP_BAD_REQUEST && code != HTTP_UPGRADE_REQUIRED)) | |
a74b005d | 2134 | { |
2135 | if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0) | |
2136 | return (0); | |
2137 | } | |
2138 | ||
2139 | if (code >= HTTP_BAD_REQUEST) | |
2140 | { | |
2141 | /* | |
2142 | * Send a human-readable error message. | |
2143 | */ | |
2144 | ||
04de52f8 | 2145 | snprintf(message, sizeof(message), |
970017a4 | 2146 | "<HTML><HEAD><TITLE>%d %s</TITLE></HEAD>" |
2147 | "<BODY><H1>%s</H1>%s</BODY></HTML>\n", | |
2148 | code, httpStatus(code), httpStatus(code), | |
2149 | con->language ? con->language->messages[code] : | |
2150 | httpStatus(code)); | |
a74b005d | 2151 | |
d694b7ed | 2152 | if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0) |
a74b005d | 2153 | return (0); |
e0ba31cd | 2154 | if (httpPrintf(HTTP(con), "Content-Length: %d\r\n", |
2155 | (int)strlen(message)) < 0) | |
a74b005d | 2156 | return (0); |
2157 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2158 | return (0); | |
97d73ddb | 2159 | if (httpPrintf(HTTP(con), "%s", message) < 0) |
a74b005d | 2160 | return (0); |
2161 | } | |
2162 | else if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2163 | return (0); | |
2164 | ||
2165 | con->http.state = HTTP_WAITING; | |
2166 | ||
2167 | return (1); | |
2168 | } | |
2169 | ||
2170 | ||
2171 | /* | |
2172 | * 'SendFile()' - Send a file via HTTP. | |
2173 | */ | |
2174 | ||
2175 | int | |
2176 | SendFile(client_t *con, | |
2177 | http_status_t code, | |
2178 | char *filename, | |
2179 | char *type, | |
2180 | struct stat *filestats) | |
2181 | { | |
2182 | con->file = open(filename, O_RDONLY); | |
2183 | ||
11009aea | 2184 | LogMessage(L_DEBUG, "SendFile: %d file=%d", con->http.fd, con->file); |
a74b005d | 2185 | |
2186 | if (con->file < 0) | |
2187 | return (0); | |
2188 | ||
b2e10895 | 2189 | fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC); |
a74b005d | 2190 | |
2191 | con->pipe_pid = 0; | |
2192 | ||
2193 | if (!SendHeader(con, code, type)) | |
2194 | return (0); | |
2195 | ||
2196 | if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n", httpGetDateString(filestats->st_mtime)) < 0) | |
2197 | return (0); | |
753453e4 | 2198 | if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n", |
2199 | (unsigned long)filestats->st_size) < 0) | |
a74b005d | 2200 | return (0); |
2201 | if (httpPrintf(HTTP(con), "\r\n") < 0) | |
2202 | return (0); | |
2203 | ||
e668e627 | 2204 | LogMessage(L_DEBUG2, "SendFile: Adding fd %d to OutputSet...", con->http.fd); |
2205 | ||
f3bc1068 | 2206 | FD_SET(con->http.fd, OutputSet); |
a74b005d | 2207 | |
2208 | return (1); | |
2209 | } | |
2210 | ||
2211 | ||
2212 | /* | |
93894a43 | 2213 | * 'SendHeader()' - Send an HTTP request. |
a74b005d | 2214 | */ |
2215 | ||
2216 | int /* O - 1 on success, 0 on failure */ | |
2217 | SendHeader(client_t *con, /* I - Client to send to */ | |
2218 | http_status_t code, /* I - HTTP status code */ | |
2219 | char *type) /* I - MIME type of document */ | |
2220 | { | |
2221 | if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100, | |
ffe90a99 | 2222 | con->http.version % 100, code, httpStatus(code)) < 0) |
a74b005d | 2223 | return (0); |
2224 | if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0) | |
2225 | return (0); | |
90ad5874 | 2226 | if (ServerHeader) |
2227 | if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0) | |
2228 | return (0); | |
a74b005d | 2229 | if (con->http.keep_alive && con->http.version >= HTTP_1_0) |
2230 | { | |
2231 | if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0) | |
2232 | return (0); | |
2233 | if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n", KeepAliveTimeout) < 0) | |
2234 | return (0); | |
2235 | } | |
8f85ff77 | 2236 | if (code == HTTP_METHOD_NOT_ALLOWED) |
9bfcbffc | 2237 | if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0) |
8f85ff77 | 2238 | return (0); |
2239 | ||
5ea8888e | 2240 | if (code == HTTP_UNAUTHORIZED) |
83e740a5 | 2241 | { |
a8c7842b | 2242 | int auth_type; /* Authentication type */ |
83e740a5 | 2243 | |
a8c7842b | 2244 | |
2245 | if (!con->best || con->best->type == AUTH_NONE) | |
2246 | auth_type = DefaultAuthType; | |
2247 | else | |
2248 | auth_type = con->best->type; | |
2249 | ||
2250 | if (auth_type != AUTH_DIGEST) | |
83e740a5 | 2251 | { |
2252 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0) | |
2253 | return (0); | |
2254 | } | |
2255 | else | |
2256 | { | |
4ac0ea43 | 2257 | if (httpPrintf(HTTP(con), "WWW-Authenticate: Digest realm=\"CUPS\", " |
83e740a5 | 2258 | "nonce=\"%s\"\r\n", con->http.hostname) < 0) |
2259 | return (0); | |
2260 | } | |
2261 | } | |
d694b7ed | 2262 | |
a74b005d | 2263 | if (con->language != NULL) |
2264 | { | |
2265 | if (httpPrintf(HTTP(con), "Content-Language: %s\r\n", | |
2266 | con->language->language) < 0) | |
2267 | return (0); | |
d694b7ed | 2268 | } |
a74b005d | 2269 | |
d694b7ed | 2270 | if (type != NULL) |
2271 | { | |
2272 | if (!strcmp(type, "text/html")) | |
2273 | { | |
2274 | if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0) | |
a74b005d | 2275 | return (0); |
d694b7ed | 2276 | } |
2277 | else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0) | |
a74b005d | 2278 | return (0); |
d694b7ed | 2279 | } |
a74b005d | 2280 | |
2281 | return (1); | |
2282 | } | |
2283 | ||
2284 | ||
0a968cfb | 2285 | /* |
2286 | * 'UpdateCGI()' - Read status messages from CGI scripts and programs. | |
2287 | */ | |
2288 | ||
2289 | void | |
2290 | UpdateCGI(void) | |
2291 | { | |
fd09381d | 2292 | char *ptr, /* Pointer to end of line in buffer */ |
2293 | message[1024]; /* Pointer to message text */ | |
2294 | int loglevel; /* Log level for message */ | |
0a968cfb | 2295 | |
2296 | ||
fd09381d | 2297 | while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel, |
2298 | message, sizeof(message))) != NULL) | |
2299 | if (!strchr(CGIStatusBuffer->buffer, '\n')) | |
2300 | break; | |
0a968cfb | 2301 | |
fd09381d | 2302 | if (ptr == NULL) |
0a968cfb | 2303 | { |
2304 | /* | |
2305 | * Fatal error on pipe - should never happen! | |
2306 | */ | |
2307 | ||
fd09381d | 2308 | LogMessage(L_CRIT, "UpdateCGI: error reading from CGI error pipe - %s", |
0a968cfb | 2309 | strerror(errno)); |
2310 | } | |
2311 | } | |
2312 | ||
2313 | ||
a74b005d | 2314 | /* |
2315 | * 'WriteClient()' - Write data to a client as needed. | |
2316 | */ | |
2317 | ||
ff49100f | 2318 | int /* O - 1 if success, 0 if fail */ |
2319 | WriteClient(client_t *con) /* I - Client connection */ | |
a74b005d | 2320 | { |
ff49100f | 2321 | int bytes; /* Number of bytes written */ |
ad4be4c3 | 2322 | char buf[16385]; /* Data buffer */ |
13486cb7 | 2323 | char *bufptr; /* Pointer into buffer */ |
ff49100f | 2324 | ipp_state_t ipp_state; /* IPP state value */ |
a74b005d | 2325 | |
2326 | ||
6a2cceab | 2327 | #ifdef DEBUG |
2328 | LogMessage(L_DEBUG2, "WriteClient(con=%p) %d response=%p, file=%d pipe_pid=%d", | |
2329 | con, con->http.fd, con->response, con->file, con->pipe_pid); | |
2330 | #endif /* DEBUG */ | |
2331 | ||
a74b005d | 2332 | if (con->http.state != HTTP_GET_SEND && |
2333 | con->http.state != HTTP_POST_SEND) | |
2334 | return (1); | |
2335 | ||
ff49100f | 2336 | if (con->response != NULL) |
bfa1abf0 | 2337 | { |
ff49100f | 2338 | ipp_state = ippWrite(&(con->http), con->response); |
2339 | bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA; | |
bfa1abf0 | 2340 | } |
ad4be4c3 | 2341 | else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0) |
a74b005d | 2342 | { |
6a2cceab | 2343 | LogMessage(L_DEBUG2, "WriteClient: Read %d bytes from file %d...", |
2344 | bytes, con->file); | |
6a2cceab | 2345 | |
13486cb7 | 2346 | if (con->pipe_pid && !con->got_fields) |
2347 | { | |
2348 | /* | |
2349 | * Inspect the data for Content-Type and other fields. | |
2350 | */ | |
2351 | ||
2352 | buf[bytes] = '\0'; | |
2353 | ||
2354 | for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++) | |
2355 | if (*bufptr == '\n') | |
2356 | { | |
2357 | /* | |
2358 | * Send line to client... | |
2359 | */ | |
2360 | ||
2361 | if (bufptr > buf && bufptr[-1] == '\r') | |
2362 | bufptr[-1] = '\0'; | |
2363 | *bufptr++ = '\0'; | |
2364 | ||
45d9c992 | 2365 | LogMessage(L_DEBUG2, "Script header: %s", buf); |
2366 | ||
d694b7ed | 2367 | if (!con->sent_header) |
2368 | { | |
2369 | /* | |
2370 | * Handle redirection and CGI status codes... | |
2371 | */ | |
2372 | ||
2373 | if (!strncasecmp(buf, "Location:", 9)) | |
2374 | SendHeader(con, HTTP_SEE_OTHER, NULL); | |
2375 | else if (!strncasecmp(buf, "Status:", 7)) | |
2376 | SendHeader(con, atoi(buf + 7), NULL); | |
2377 | else | |
2378 | SendHeader(con, HTTP_OK, NULL); | |
2379 | ||
2380 | if (con->http.version == HTTP_1_1) | |
2381 | { | |
2382 | con->http.data_encoding = HTTP_ENCODE_CHUNKED; | |
2383 | ||
2384 | if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0) | |
2385 | return (0); | |
2386 | } | |
2387 | ||
2388 | con->sent_header = 1; | |
2389 | } | |
2390 | ||
2391 | if (strncasecmp(buf, "Status:", 7)) | |
2392 | httpPrintf(HTTP(con), "%s\r\n", buf); | |
2393 | ||
6a2cceab | 2394 | LogMessage(L_DEBUG2, "WriteClient: %d %s", con->http.fd, buf); |
13486cb7 | 2395 | |
2396 | /* | |
2397 | * Update buffer... | |
2398 | */ | |
2399 | ||
2400 | bytes -= (bufptr - buf); | |
6a2cceab | 2401 | memmove(buf, bufptr, bytes + 1); |
13486cb7 | 2402 | bufptr = buf - 1; |
2403 | ||
2404 | /* | |
2405 | * See if the line was empty... | |
2406 | */ | |
2407 | ||
2408 | if (con->field_col == 0) | |
2409 | con->got_fields = 1; | |
2410 | else | |
2411 | con->field_col = 0; | |
2412 | } | |
2413 | else if (*bufptr != '\r') | |
2414 | con->field_col ++; | |
2415 | ||
ed5ceafb | 2416 | LogMessage(L_DEBUG2, "WriteClient: %d bytes=%d, got_fields=%d", |
2417 | con->http.fd, bytes, con->got_fields); | |
2418 | ||
13486cb7 | 2419 | if (bytes > 0 && !con->got_fields) |
2420 | { | |
2421 | /* | |
2422 | * Remaining text needs to go out... | |
2423 | */ | |
2424 | ||
2425 | httpPrintf(HTTP(con), "%s", buf); | |
2426 | ||
2427 | con->http.activity = time(NULL); | |
2428 | return (1); | |
2429 | } | |
2430 | else if (bytes == 0) | |
2431 | { | |
2432 | con->http.activity = time(NULL); | |
2433 | return (1); | |
2434 | } | |
2435 | } | |
2436 | ||
a74b005d | 2437 | if (httpWrite(HTTP(con), buf, bytes) < 0) |
2438 | { | |
ed5ceafb | 2439 | LogMessage(L_DEBUG2, "WriteClient: %d Write of %d bytes failed!", |
2440 | con->http.fd, bytes); | |
2441 | ||
a74b005d | 2442 | CloseClient(con); |
2443 | return (0); | |
2444 | } | |
6a0c519d | 2445 | |
2446 | con->bytes += bytes; | |
a74b005d | 2447 | } |
b14d90ba | 2448 | |
2449 | if (bytes <= 0) | |
a74b005d | 2450 | { |
ed5ceafb | 2451 | LogMessage(L_DEBUG2, "WriteClient: %d bytes < 0", con->http.fd); |
2452 | ||
6a0c519d | 2453 | LogRequest(con, HTTP_OK); |
2454 | ||
d12c5b68 | 2455 | httpFlushWrite(HTTP(con)); |
2456 | ||
a74b005d | 2457 | if (con->http.data_encoding == HTTP_ENCODE_CHUNKED) |
2458 | { | |
2459 | if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0) | |
2460 | { | |
2461 | CloseClient(con); | |
2462 | return (0); | |
2463 | } | |
2464 | } | |
2465 | ||
96df88bb | 2466 | con->http.state = HTTP_WAITING; |
2467 | ||
6a2cceab | 2468 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from OutputSet...", |
e668e627 | 2469 | con->http.fd); |
2470 | ||
f3bc1068 | 2471 | FD_CLR(con->http.fd, OutputSet); |
a74b005d | 2472 | |
6a2cceab | 2473 | if (con->file >= 0) |
a74b005d | 2474 | { |
6a2cceab | 2475 | if (FD_ISSET(con->file, InputSet)) |
2476 | { | |
2477 | LogMessage(L_DEBUG2, "WriteClient: Removing fd %d from InputSet...", | |
2478 | con->file); | |
2479 | FD_CLR(con->file, InputSet); | |
2480 | } | |
b2e10895 | 2481 | |
bfa1abf0 | 2482 | if (con->pipe_pid) |
c316e838 | 2483 | cupsdEndProcess(con->pipe_pid, 0); |
bfa1abf0 | 2484 | |
b2e10895 | 2485 | LogMessage(L_DEBUG2, "WriteClient: %d Closing data file %d.", |
bd917997 | 2486 | con->http.fd, con->file); |
2487 | ||
bfa1abf0 | 2488 | close(con->file); |
6a2cceab | 2489 | con->file = -1; |
96df88bb | 2490 | con->pipe_pid = 0; |
bfa1abf0 | 2491 | } |
a74b005d | 2492 | |
fc757c63 | 2493 | if (con->filename) |
a61a2be6 | 2494 | { |
b2e10895 | 2495 | LogMessage(L_DEBUG2, "WriteClient: %d Removing temp file %s", |
bd917997 | 2496 | con->http.fd, con->filename); |
d4c438d4 | 2497 | unlink(con->filename); |
fc757c63 | 2498 | ClearString(&con->filename); |
a61a2be6 | 2499 | } |
d4c438d4 | 2500 | |
b14d90ba | 2501 | if (con->request != NULL) |
2502 | { | |
2503 | ippDelete(con->request); | |
2504 | con->request = NULL; | |
2505 | } | |
2506 | ||
2507 | if (con->response != NULL) | |
2508 | { | |
2509 | ippDelete(con->response); | |
2510 | con->response = NULL; | |
2511 | } | |
96df88bb | 2512 | |
fc757c63 | 2513 | ClearString(&con->command); |
2514 | ClearString(&con->options); | |
2515 | ||
96df88bb | 2516 | if (!con->http.keep_alive) |
2517 | { | |
2518 | CloseClient(con); | |
2519 | return (0); | |
2520 | } | |
a74b005d | 2521 | } |
6a2cceab | 2522 | else |
2523 | { | |
2524 | con->file_ready = 0; | |
2525 | ||
2526 | if (con->pipe_pid && !FD_ISSET(con->file, InputSet)) | |
2527 | { | |
2528 | LogMessage(L_DEBUG2, "WriteClient: Adding fd %d to InputSet...", con->file); | |
2529 | FD_SET(con->file, InputSet); | |
2530 | } | |
2531 | } | |
a74b005d | 2532 | |
a74b005d | 2533 | con->http.activity = time(NULL); |
2534 | ||
2535 | return (1); | |
2536 | } | |
2537 | ||
2538 | ||
a74b005d | 2539 | /* |
2540 | * 'check_if_modified()' - Decode an "If-Modified-Since" line. | |
2541 | */ | |
2542 | ||
2543 | static int /* O - 1 if modified since */ | |
2544 | check_if_modified(client_t *con, /* I - Client connection */ | |
2545 | struct stat *filestats) /* I - File information */ | |
2546 | { | |
2547 | char *ptr; /* Pointer into field */ | |
2548 | time_t date; /* Time/date value */ | |
2549 | int size; /* Size/length value */ | |
2550 | ||
2551 | ||
2552 | size = 0; | |
2553 | date = 0; | |
2554 | ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE]; | |
2555 | ||
2556 | if (*ptr == '\0') | |
2557 | return (1); | |
2558 | ||
11009aea | 2559 | LogMessage(L_DEBUG2, "check_if_modified: %d If-Modified-Since=\"%s\"", |
4a64fdb7 | 2560 | con->http.fd, ptr); |
2561 | ||
a74b005d | 2562 | while (*ptr != '\0') |
2563 | { | |
4a64fdb7 | 2564 | while (isspace(*ptr) || *ptr == ';') |
a74b005d | 2565 | ptr ++; |
2566 | ||
2567 | if (strncasecmp(ptr, "length=", 7) == 0) | |
2568 | { | |
2569 | ptr += 7; | |
2570 | size = atoi(ptr); | |
2571 | ||
2572 | while (isdigit(*ptr)) | |
2573 | ptr ++; | |
2574 | } | |
4a64fdb7 | 2575 | else if (isalpha(*ptr)) |
a74b005d | 2576 | { |
2577 | date = httpGetDateTime(ptr); | |
4a64fdb7 | 2578 | while (*ptr != '\0' && *ptr != ';') |
a74b005d | 2579 | ptr ++; |
2580 | } | |
2581 | } | |
2582 | ||
11009aea | 2583 | LogMessage(L_DEBUG2, "check_if_modified: %d sizes=%d,%d dates=%d,%d", |
aa7e125a | 2584 | con->http.fd, size, (int)filestats->st_size, (int)date, |
2585 | (int)filestats->st_mtime); | |
4a64fdb7 | 2586 | |
a74b005d | 2587 | return ((size != filestats->st_size && size != 0) || |
4a64fdb7 | 2588 | (date < filestats->st_mtime && date != 0) || |
2589 | (size == 0 && date == 0)); | |
a74b005d | 2590 | } |
2591 | ||
2592 | ||
2593 | /* | |
d2122fde | 2594 | * 'decode_auth()' - Decode an authorization string. |
a74b005d | 2595 | */ |
2596 | ||
93894a43 | 2597 | static void |
d2122fde | 2598 | decode_auth(client_t *con) /* I - Client to decode to */ |
a74b005d | 2599 | { |
d2122fde | 2600 | char *s, /* Authorization string */ |
2601 | value[1024]; /* Value string */ | |
2602 | const char *username; /* Certificate username */ | |
a74b005d | 2603 | |
a74b005d | 2604 | |
2605 | /* | |
b0d58d07 | 2606 | * Decode the string... |
a74b005d | 2607 | */ |
2608 | ||
f3d580b9 | 2609 | s = con->http.fields[HTTP_FIELD_AUTHORIZATION]; |
f3d580b9 | 2610 | |
aa7e125a | 2611 | LogMessage(L_DEBUG2, "decode_auth(%p): Authorization string = \"%s\"", |
27eba2dd | 2612 | con, s); |
69f14ebb | 2613 | |
d2122fde | 2614 | if (strncmp(s, "Basic", 5) == 0) |
2615 | { | |
2616 | s += 5; | |
2617 | while (isspace(*s)) | |
2618 | s ++; | |
f3d580b9 | 2619 | |
d2122fde | 2620 | httpDecode64(value, s); |
a74b005d | 2621 | |
d2122fde | 2622 | /* |
2623 | * Pull the username and password out... | |
2624 | */ | |
b0d58d07 | 2625 | |
d2122fde | 2626 | if ((s = strchr(value, ':')) == NULL) |
2627 | { | |
11009aea | 2628 | LogMessage(L_DEBUG, "decode_auth: %d no colon in auth string \"%s\"", |
d2122fde | 2629 | con->http.fd, value); |
2630 | return; | |
2631 | } | |
2632 | ||
2633 | *s++ = '\0'; | |
b0d58d07 | 2634 | |
def978d5 | 2635 | strlcpy(con->username, value, sizeof(con->username)); |
2636 | strlcpy(con->password, s, sizeof(con->password)); | |
d2122fde | 2637 | } |
2638 | else if (strncmp(s, "Local", 5) == 0) | |
2639 | { | |
2640 | s += 5; | |
2641 | while (isspace(*s)) | |
2642 | s ++; | |
b0d58d07 | 2643 | |
d2122fde | 2644 | if ((username = FindCert(s)) != NULL) |
def978d5 | 2645 | strlcpy(con->username, username, sizeof(con->username)); |
d2122fde | 2646 | } |
83e740a5 | 2647 | else if (strncmp(s, "Digest", 5) == 0) |
2648 | { | |
2649 | /* | |
2650 | * Get the username and password from the Digest attributes... | |
2651 | */ | |
2652 | ||
b2e10895 | 2653 | if (httpGetSubField(&(con->http), HTTP_FIELD_AUTHORIZATION, "username", |
83e740a5 | 2654 | value)) |
def978d5 | 2655 | strlcpy(con->username, value, sizeof(con->username)); |
83e740a5 | 2656 | |
b2e10895 | 2657 | if (httpGetSubField(&(con->http), HTTP_FIELD_AUTHORIZATION, "response", |
83e740a5 | 2658 | value)) |
b2e10895 | 2659 | strlcpy(con->password, value, sizeof(con->password)); |
83e740a5 | 2660 | } |
41637133 | 2661 | |
11009aea | 2662 | LogMessage(L_DEBUG2, "decode_auth: %d username=\"%s\"", |
41637133 | 2663 | con->http.fd, con->username); |
a74b005d | 2664 | } |
2665 | ||
2666 | ||
b2e10895 | 2667 | /* |
2668 | * 'get_file()' - Get a filename and state info. | |
2669 | */ | |
2670 | ||
fa84bfc7 | 2671 | static char * /* O - Real filename */ |
2672 | get_file(client_t *con, /* I - Client connection */ | |
2673 | struct stat *filestats, /* O - File information */ | |
2674 | char *filename, /* IO - Filename buffer */ | |
2675 | int len) /* I - Buffer length */ | |
e31bfb6e | 2676 | { |
fa84bfc7 | 2677 | int status; /* Status of filesystem calls */ |
2678 | char *ptr; /* Pointer info filename */ | |
2679 | int plen; /* Remaining length after pointer */ | |
e31bfb6e | 2680 | |
2681 | ||
2682 | /* | |
2683 | * Need to add DocumentRoot global... | |
2684 | */ | |
2685 | ||
d694b7ed | 2686 | if (!strncmp(con->uri, "/ppd/", 5)) |
6db7190f | 2687 | snprintf(filename, len, "%s%s", ServerRoot, con->uri); |
d694b7ed | 2688 | else if (!strncmp(con->uri, "/admin/conf/", 12)) |
6db7190f | 2689 | snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11); |
d694b7ed | 2690 | else if (!strncmp(con->uri, "/admin/log/", 11)) |
2691 | { | |
2692 | if (!strcmp(con->uri + 11, "access_log") && AccessLog[0] == '/') | |
2693 | strlcpy(filename, AccessLog, len); | |
2694 | else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/') | |
2695 | strlcpy(filename, ErrorLog, len); | |
2696 | else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/') | |
2697 | strlcpy(filename, PageLog, len); | |
2698 | else | |
2699 | return (NULL); | |
2700 | } | |
f3d580b9 | 2701 | else if (con->language != NULL) |
6db7190f | 2702 | snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language, |
e31bfb6e | 2703 | con->uri); |
2704 | else | |
6db7190f | 2705 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2706 | |
fa84bfc7 | 2707 | if ((ptr = strchr(filename, '?')) != NULL) |
2708 | *ptr = '\0'; | |
e31bfb6e | 2709 | |
2710 | /* | |
2711 | * Grab the status for this language; if there isn't a language-specific file | |
2712 | * then fallback to the default one... | |
2713 | */ | |
2714 | ||
2715 | if ((status = stat(filename, filestats)) != 0 && con->language != NULL) | |
2716 | { | |
2717 | /* | |
2718 | * Drop the language prefix and try the current directory... | |
2719 | */ | |
2720 | ||
d2e43d2e | 2721 | if (strncmp(con->uri, "/ppd/", 5) && |
2722 | strncmp(con->uri, "/admin/conf/", 12) && | |
2723 | strncmp(con->uri, "/admin/log/", 11)) | |
f3d580b9 | 2724 | { |
6db7190f | 2725 | snprintf(filename, len, "%s%s", DocumentRoot, con->uri); |
e31bfb6e | 2726 | |
fa84bfc7 | 2727 | if ((ptr = strchr(filename, '?')) != NULL) |
2728 | *ptr = '\0'; | |
2729 | ||
f3d580b9 | 2730 | status = stat(filename, filestats); |
2731 | } | |
e31bfb6e | 2732 | } |
2733 | ||
2734 | /* | |
2735 | * If we're found a directory, get the index.html file instead... | |
2736 | */ | |
2737 | ||
2738 | if (!status && S_ISDIR(filestats->st_mode)) | |
2739 | { | |
fa84bfc7 | 2740 | if (filename[strlen(filename) - 1] != '/') |
2741 | strlcat(filename, "/", len); | |
e31bfb6e | 2742 | |
fa84bfc7 | 2743 | ptr = filename + strlen(filename); |
2744 | plen = len - (ptr - filename); | |
2745 | ||
2746 | strlcpy(ptr, "index.html", plen); | |
e31bfb6e | 2747 | status = stat(filename, filestats); |
fa84bfc7 | 2748 | |
2749 | #ifdef HAVE_JAVA | |
2750 | if (status) | |
2751 | { | |
2752 | strlcpy(ptr, "index.class", plen); | |
2753 | status = stat(filename, filestats); | |
2754 | } | |
2755 | #endif /* HAVE_JAVA */ | |
2756 | ||
2757 | #ifdef HAVE_PERL | |
2758 | if (status) | |
2759 | { | |
2760 | strlcpy(ptr, "index.pl", plen); | |
2761 | status = stat(filename, filestats); | |
2762 | } | |
2763 | #endif /* HAVE_PERL */ | |
2764 | ||
2765 | #ifdef HAVE_PHP | |
2766 | if (status) | |
2767 | { | |
2768 | strlcpy(ptr, "index.php", plen); | |
2769 | status = stat(filename, filestats); | |
2770 | } | |
2771 | #endif /* HAVE_PHP */ | |
2772 | ||
2773 | #ifdef HAVE_PYTHON | |
2774 | if (status) | |
2775 | { | |
2776 | strlcpy(ptr, "index.pyc", plen); | |
2777 | status = stat(filename, filestats); | |
2778 | } | |
2779 | ||
2780 | if (status) | |
2781 | { | |
2782 | strlcpy(ptr, "index.py", plen); | |
2783 | status = stat(filename, filestats); | |
2784 | } | |
2785 | #endif /* HAVE_PYTHON */ | |
e31bfb6e | 2786 | } |
2787 | ||
11009aea | 2788 | LogMessage(L_DEBUG2, "get_file: %d filename=%s size=%d", |
aa7e125a | 2789 | con->http.fd, filename, status ? -1 : (int)filestats->st_size); |
e31bfb6e | 2790 | |
ad4be4c3 | 2791 | if (!status) |
2792 | con->http.data_remaining = (int)filestats->st_size; | |
2793 | ||
e31bfb6e | 2794 | if (status) |
2795 | return (NULL); | |
2796 | else | |
2797 | return (filename); | |
2798 | } | |
2799 | ||
2800 | ||
753453e4 | 2801 | /* |
2802 | * 'install_conf_file()' - Install a configuration file. | |
2803 | */ | |
2804 | ||
2805 | static http_status_t /* O - Status */ | |
2806 | install_conf_file(client_t *con) /* I - Connection */ | |
2807 | { | |
7b0fde61 | 2808 | cups_file_t *in, /* Input file */ |
753453e4 | 2809 | *out; /* Output file */ |
2810 | char buffer[1024]; /* Copy buffer */ | |
2811 | int bytes; /* Number of bytes */ | |
2812 | char conffile[1024], /* Configuration filename */ | |
2813 | newfile[1024], /* New config filename */ | |
2814 | oldfile[1024]; /* Old config filename */ | |
2815 | struct stat confinfo; /* Config file info */ | |
2816 | ||
2817 | ||
2818 | /* | |
2819 | * First construct the filenames... | |
2820 | */ | |
2821 | ||
2822 | snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11); | |
2823 | snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11); | |
2824 | snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11); | |
2825 | ||
2826 | LogMessage(L_INFO, "Installing config file \"%s\"...", conffile); | |
2827 | ||
2828 | /* | |
2829 | * Get the owner, group, and permissions of the configuration file. | |
2830 | * If it doesn't exist, assign it to the User and Group in the | |
2831 | * cupsd.conf file with mode 0640 permissions. | |
2832 | */ | |
2833 | ||
2834 | if (stat(conffile, &confinfo)) | |
2835 | { | |
2836 | confinfo.st_uid = User; | |
2837 | confinfo.st_gid = Group; | |
d59a189c | 2838 | confinfo.st_mode = ConfigFilePerm; |
753453e4 | 2839 | } |
2840 | ||
2841 | /* | |
2842 | * Open the request file and new config file... | |
2843 | */ | |
2844 | ||
7b0fde61 | 2845 | if ((in = cupsFileOpen(con->filename, "rb")) == NULL) |
753453e4 | 2846 | { |
2847 | LogMessage(L_ERROR, "Unable to open request file \"%s\" - %s", | |
2848 | con->filename, strerror(errno)); | |
2849 | return (HTTP_SERVER_ERROR); | |
2850 | } | |
2851 | ||
7b0fde61 | 2852 | if ((out = cupsFileOpen(newfile, "wb")) == NULL) |
753453e4 | 2853 | { |
7b0fde61 | 2854 | cupsFileClose(in); |
753453e4 | 2855 | LogMessage(L_ERROR, "Unable to open config file \"%s\" - %s", |
2856 | newfile, strerror(errno)); | |
2857 | return (HTTP_SERVER_ERROR); | |
2858 | } | |
2859 | ||
7b0fde61 | 2860 | fchmod(cupsFileNumber(out), confinfo.st_mode); |
2861 | fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid); | |
753453e4 | 2862 | |
2863 | /* | |
2864 | * Copy from the request to the new config file... | |
2865 | */ | |
2866 | ||
7b0fde61 | 2867 | while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0) |
2868 | if (cupsFileWrite(out, buffer, bytes) < bytes) | |
753453e4 | 2869 | { |
2870 | LogMessage(L_ERROR, "Unable to copy to config file \"%s\" - %s", | |
2871 | newfile, strerror(errno)); | |
2872 | ||
7b0fde61 | 2873 | cupsFileClose(in); |
2874 | cupsFileClose(out); | |
753453e4 | 2875 | unlink(newfile); |
2876 | ||
2877 | return (HTTP_SERVER_ERROR); | |
2878 | } | |
2879 | ||
2880 | /* | |
2881 | * Close the files... | |
2882 | */ | |
2883 | ||
7b0fde61 | 2884 | cupsFileClose(in); |
2885 | if (cupsFileClose(out)) | |
753453e4 | 2886 | { |
2887 | LogMessage(L_ERROR, "Error file closing config file \"%s\" - %s", | |
2888 | newfile, strerror(errno)); | |
2889 | ||
2890 | unlink(newfile); | |
2891 | ||
2892 | return (HTTP_SERVER_ERROR); | |
2893 | } | |
2894 | ||
2895 | /* | |
2896 | * Remove the request file... | |
2897 | */ | |
2898 | ||
2899 | unlink(con->filename); | |
fc757c63 | 2900 | ClearString(&con->filename); |
753453e4 | 2901 | |
2902 | /* | |
2903 | * Unlink the old backup, rename the current config file to the backup | |
2904 | * filename, and rename the new config file to the config file name... | |
2905 | */ | |
2906 | ||
2907 | if (unlink(oldfile)) | |
2908 | if (errno != ENOENT) | |
2909 | { | |
2910 | LogMessage(L_ERROR, "Unable to remove backup config file \"%s\" - %s", | |
2911 | oldfile, strerror(errno)); | |
2912 | ||
2913 | unlink(newfile); | |
2914 | ||
2915 | return (HTTP_SERVER_ERROR); | |
2916 | } | |
2917 | ||
2918 | if (rename(conffile, oldfile)) | |
2919 | if (errno != ENOENT) | |
2920 | { | |
2921 | LogMessage(L_ERROR, "Unable to rename old config file \"%s\" - %s", | |
2922 | conffile, strerror(errno)); | |
2923 | ||
2924 | unlink(newfile); | |
2925 | ||
2926 | return (HTTP_SERVER_ERROR); | |
2927 | } | |
2928 | ||
2929 | if (rename(newfile, conffile)) | |
2930 | { | |
2931 | LogMessage(L_ERROR, "Unable to rename new config file \"%s\" - %s", | |
2932 | newfile, strerror(errno)); | |
2933 | ||
2934 | rename(oldfile, conffile); | |
2935 | unlink(newfile); | |
2936 | ||
2937 | return (HTTP_SERVER_ERROR); | |
2938 | } | |
2939 | ||
2940 | /* | |
2941 | * If the cupsd.conf file was updated, set the NeedReload flag... | |
2942 | */ | |
2943 | ||
d2e43d2e | 2944 | if (!strcmp(con->uri, "/admin/conf/cupsd.conf")) |
53510eae | 2945 | NeedReload = RELOAD_CUPSD; |
2946 | else | |
2947 | NeedReload = RELOAD_ALL; | |
753453e4 | 2948 | |
a782f61f | 2949 | ReloadTime = time(NULL); |
2950 | ||
753453e4 | 2951 | /* |
2952 | * Return that the file was created successfully... | |
2953 | */ | |
2954 | ||
2955 | return (HTTP_CREATED); | |
2956 | } | |
2957 | ||
2958 | ||
3780dd72 | 2959 | /* |
2960 | * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. ".."). | |
2961 | */ | |
2962 | ||
2963 | static int /* O - 0 if relative, 1 if absolute */ | |
2964 | is_path_absolute(const char *path) /* I - Input path */ | |
2965 | { | |
2966 | /* | |
2967 | * Check for a leading slash... | |
2968 | */ | |
2969 | ||
2970 | if (path[0] != '/') | |
2971 | return (0); | |
2972 | ||
2973 | /* | |
2974 | * Check for "/.." in the path... | |
2975 | */ | |
2976 | ||
2977 | while ((path = strstr(path, "/..")) != NULL) | |
98fe75ea | 2978 | { |
3780dd72 | 2979 | if (!path[3] || path[3] == '/') |
2980 | return (0); | |
2981 | ||
98fe75ea | 2982 | path ++; |
2983 | } | |
2984 | ||
3780dd72 | 2985 | /* |
2986 | * If we haven't found any relative paths, return 1 indicating an | |
2987 | * absolute path... | |
2988 | */ | |
2989 | ||
2990 | return (1); | |
2991 | } | |
2992 | ||
2993 | ||
a74b005d | 2994 | /* |
2995 | * 'pipe_command()' - Pipe the output of a command to the remote client. | |
2996 | */ | |
2997 | ||
879062a9 | 2998 | static int /* O - Process ID */ |
2999 | pipe_command(client_t *con, /* I - Client connection */ | |
3000 | int infile, /* I - Standard input for command */ | |
3001 | int *outfile, /* O - Standard output for command */ | |
3002 | char *command, /* I - Command to run */ | |
b38d93df | 3003 | char *options, /* I - Options for command */ |
3004 | int root) /* I - Run as root? */ | |
a74b005d | 3005 | { |
2ae14c39 | 3006 | int i; /* Looping var */ |
879062a9 | 3007 | int pid; /* Process ID */ |
3008 | char *commptr; /* Command string pointer */ | |
e420f467 | 3009 | char *uriptr; /* URI string pointer */ |
879062a9 | 3010 | int fds[2]; /* Pipe FDs */ |
3011 | int argc; /* Number of arguments */ | |
3012 | int envc; /* Number of environment variables */ | |
3013 | char argbuf[10240], /* Argument buffer */ | |
3014 | *argv[100], /* Argument strings */ | |
3015 | *envp[100]; /* Environment variables */ | |
2ae14c39 | 3016 | char content_length[1024], /* CONTENT_LENGTH environment variable */ |
3017 | content_type[1024], /* CONTENT_TYPE environment variable */ | |
2ae14c39 | 3018 | http_cookie[1024], /* HTTP_COOKIE environment variable */ |
3019 | http_user_agent[1024], /* HTTP_USER_AGENT environment variable */ | |
2ae14c39 | 3020 | lang[1024], /* LANG environment variable */ |
f6b55e0c | 3021 | *query_string, /* QUERY_STRING env variable */ |
2ae14c39 | 3022 | remote_addr[1024], /* REMOTE_ADDR environment variable */ |
3023 | remote_host[1024], /* REMOTE_HOST environment variable */ | |
3024 | remote_user[1024], /* REMOTE_USER environment variable */ | |
3025 | script_name[1024], /* SCRIPT_NAME environment variable */ | |
3026 | server_name[1024], /* SERVER_NAME environment variable */ | |
291355eb | 3027 | server_port[1024]; /* SERVER_PORT environment variable */ |
08c0ff15 | 3028 | static const char * const locale_encodings[] = |
3029 | { /* Locale charset names */ | |
3030 | "ASCII", "ISO8859-1", "ISO8859-2", "ISO8859-3", | |
3031 | "ISO8859-4", "ISO8859-5", "ISO8859-6", "ISO8859-7", | |
3032 | "ISO8859-8", "ISO8859-9", "ISO8859-10", "UTF-8", | |
3033 | "ISO8859-13", "ISO8859-14", "ISO8859-15", "CP874", | |
3034 | "CP1250", "CP1251", "CP1252", "CP1253", | |
3035 | "CP1254", "CP1255", "CP1256", "CP1257", | |
3036 | "CP1258", "KOI8R", "KOI8U", "ISO8859-11", | |
3037 | "ISO8859-16", "", "", "", | |
3038 | ||
3039 | "", "", "", "", | |
3040 | "", "", "", "", | |
3041 | "", "", "", "", | |
3042 | "", "", "", "", | |
3043 | "", "", "", "", | |
3044 | "", "", "", "", | |
3045 | "", "", "", "", | |
3046 | "", "", "", "", | |
3047 | ||
3048 | "CP932", "CP936", "CP949", "CP950", | |
3049 | "CP1361", "", "", "", | |
3050 | "", "", "", "", | |
3051 | "", "", "", "", | |
3052 | "", "", "", "", | |
3053 | "", "", "", "", | |
3054 | "", "", "", "", | |
3055 | "", "", "", "", | |
3056 | ||
3057 | "", "", "", "", | |
3058 | "", "", "", "", | |
3059 | "", "", "", "", | |
3060 | "", "", "", "", | |
3061 | "", "", "", "", | |
3062 | "", "", "", "", | |
3063 | "", "", "", "", | |
3064 | "", "", "", "", | |
3065 | ||
3066 | "EUC-CN", "EUC-JP", "EUC-KR", "EUC-TW" | |
3067 | }; | |
a74b005d | 3068 | |
05e63c18 | 3069 | |
a74b005d | 3070 | /* |
f6b55e0c | 3071 | * Parse a copy of the options string, which is of the form: |
3072 | * | |
3073 | * name argument+argument+argument | |
ff346847 | 3074 | * name?argument+argument+argument |
f6b55e0c | 3075 | * name param=value¶m=value |
ff346847 | 3076 | * name?param=value¶m=value |
f6b55e0c | 3077 | * |
3078 | * If the string contains an "=" character after the initial name, | |
3079 | * then we treat it as a HTTP GET form request and make a copy of | |
3080 | * the remaining string for the environment variable. | |
3081 | * | |
3082 | * The string is always parsed out as command-line arguments, to | |
3083 | * be consistent with Apache... | |
a74b005d | 3084 | */ |
3085 | ||
ff346847 | 3086 | LogMessage(L_DEBUG2, "pipe_command: command=\"%s\", options=\"%s\"", |
3087 | command, options); | |
3088 | ||
def978d5 | 3089 | strlcpy(argbuf, options, sizeof(argbuf)); |
a74b005d | 3090 | |
f6b55e0c | 3091 | argv[0] = argbuf; |
3092 | query_string = NULL; | |
a74b005d | 3093 | |
bfa1abf0 | 3094 | for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++) |
f6b55e0c | 3095 | { |
3096 | /* | |
3097 | * Break arguments whenever we see a + or space... | |
3098 | */ | |
3099 | ||
ff346847 | 3100 | if (*commptr == ' ' || *commptr == '+' || (*commptr == '?' && argc == 1)) |
a74b005d | 3101 | { |
f6b55e0c | 3102 | /* |
3103 | * Terminate the current string and skip trailing whitespace... | |
3104 | */ | |
3105 | ||
a74b005d | 3106 | *commptr++ = '\0'; |
3107 | ||
3108 | while (*commptr == ' ') | |
3109 | commptr ++; | |
3110 | ||
f6b55e0c | 3111 | /* |
3112 | * If we don't have a blank string, save it as another argument... | |
3113 | */ | |
3114 | ||
3115 | if (*commptr) | |
a74b005d | 3116 | { |
3117 | argv[argc] = commptr; | |
3118 | argc ++; | |
3119 | } | |
f6b55e0c | 3120 | else |
3121 | break; | |
da0bffec | 3122 | |
3123 | /* | |
f6b55e0c | 3124 | * If we see an "=" in the remaining string, make a copy of it since |
3125 | * it will be query data... | |
da0bffec | 3126 | */ |
3127 | ||
3128 | if (argc == 2 && strchr(commptr, '=') && con->operation == HTTP_GET) | |
f6b55e0c | 3129 | SetStringf(&query_string, "QUERY_STRING=%s", commptr); |
3130 | ||
3131 | /* | |
3132 | * Don't skip the first non-blank character... | |
3133 | */ | |
da0bffec | 3134 | |
a74b005d | 3135 | commptr --; |
3136 | } | |
da275f55 | 3137 | else if (*commptr == '%' && isxdigit(commptr[1] & 255) && |
3138 | isxdigit(commptr[2] & 255)) | |
a74b005d | 3139 | { |
f6b55e0c | 3140 | /* |
3141 | * Convert the %xx notation to the individual character. | |
3142 | */ | |
3143 | ||
a74b005d | 3144 | if (commptr[1] >= '0' && commptr[1] <= '9') |
3145 | *commptr = (commptr[1] - '0') << 4; | |
3146 | else | |
3147 | *commptr = (tolower(commptr[1]) - 'a' + 10) << 4; | |
3148 | ||
3149 | if (commptr[2] >= '0' && commptr[2] <= '9') | |
3150 | *commptr |= commptr[2] - '0'; | |
3151 | else | |
3152 | *commptr |= tolower(commptr[2]) - 'a' + 10; | |
3153 | ||
2625096f | 3154 | _cups_strcpy(commptr + 1, commptr + 3); |
f6b55e0c | 3155 | |
3156 | /* | |
3157 | * Check for a %00 and break if that is the case... | |
3158 | */ | |
3159 | ||
3160 | if (!*commptr) | |
3161 | break; | |
a74b005d | 3162 | } |
f6b55e0c | 3163 | } |
a74b005d | 3164 | |
3165 | argv[argc] = NULL; | |
3166 | ||
bfa1abf0 | 3167 | if (argv[0][0] == '\0') |
3168 | argv[0] = strrchr(command, '/') + 1; | |
b14d90ba | 3169 | |
3170 | /* | |
3171 | * Setup the environment variables as needed... | |
3172 | */ | |
3173 | ||
08c0ff15 | 3174 | if (con->language) |
3175 | snprintf(lang, sizeof(lang), "LANG=%s.%s", con->language->language, | |
3176 | locale_encodings[con->language->encoding]); | |
3177 | else | |
3178 | strcpy(lang, "LANG=C"); | |
b2e10895 | 3179 | |
2ae14c39 | 3180 | strcpy(remote_addr, "REMOTE_ADDR="); |
3181 | httpAddrString(&(con->http.hostaddr), remote_addr + 12, | |
3182 | sizeof(remote_addr) - 12); | |
291355eb | 3183 | |
3184 | snprintf(remote_host, sizeof(remote_host), "REMOTE_HOST=%s", | |
3185 | con->http.hostname); | |
3186 | ||
3187 | snprintf(script_name, sizeof(script_name), "SCRIPT_NAME=%s", con->uri); | |
3188 | if ((uriptr = strchr(script_name, '?')) != NULL) | |
3189 | *uriptr = '\0'; | |
3190 | ||
3191 | sprintf(server_port, "SERVER_PORT=%d", con->serverport); | |
3192 | ||
3193 | snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s", | |
3194 | con->servername); | |
3195 | ||
3196 | envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0]))); | |
3197 | ||
3198 | envp[envc ++] = lang; | |
2ae14c39 | 3199 | envp[envc ++] = "REDIRECT_STATUS=1"; |
2ae14c39 | 3200 | envp[envc ++] = server_name; |
3201 | envp[envc ++] = server_port; | |
3202 | envp[envc ++] = remote_addr; | |
3203 | envp[envc ++] = remote_host; | |
291355eb | 3204 | envp[envc ++] = script_name; |
dd63ebe2 | 3205 | |
291355eb | 3206 | if (con->username[0]) |
2ae14c39 | 3207 | { |
291355eb | 3208 | snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username); |
dd63ebe2 | 3209 | |
291355eb | 3210 | envp[envc ++] = remote_user; |
2ae14c39 | 3211 | } |
7f0679f5 | 3212 | |
291355eb | 3213 | if (con->http.version == HTTP_1_1) |
3214 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.1"; | |
3215 | else if (con->http.version == HTTP_1_0) | |
3216 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/1.0"; | |
3217 | else | |
3218 | envp[envc ++] = "SERVER_PROTOCOL=HTTP/0.9"; | |
2ae14c39 | 3219 | |
3220 | if (con->http.cookie) | |
3221 | { | |
3222 | snprintf(http_cookie, sizeof(http_cookie), "HTTP_COOKIE=%s", | |
3223 | con->http.cookie); | |
3224 | envp[envc ++] = http_cookie; | |
3225 | } | |
3226 | ||
3227 | if (con->http.fields[HTTP_FIELD_USER_AGENT][0]) | |
3228 | { | |
3229 | snprintf(http_user_agent, sizeof(http_user_agent), "HTTP_USER_AGENT=%s", | |
3230 | con->http.fields[HTTP_FIELD_USER_AGENT]); | |
3231 | envp[envc ++] = http_user_agent; | |
3232 | } | |
3233 | ||
b14d90ba | 3234 | if (con->operation == HTTP_GET) |
3235 | { | |
43ed090d | 3236 | for (i = 0; i < argc; i ++) |
3237 | LogMessage(L_DEBUG2, "argv[%d] = \"%s\"", i, argv[i]); | |
291355eb | 3238 | |
df3f73ff | 3239 | envp[envc ++] = "REQUEST_METHOD=GET"; |
f63a2256 | 3240 | |
f6b55e0c | 3241 | if (query_string) |
f63a2256 | 3242 | { |
3243 | /* | |
3244 | * Add GET form variables after ?... | |
3245 | */ | |
3246 | ||
df3f73ff | 3247 | envp[envc ++] = query_string; |
f63a2256 | 3248 | } |
b14d90ba | 3249 | } |
3250 | else | |
3251 | { | |
f63a2256 | 3252 | sprintf(content_length, "CONTENT_LENGTH=%d", con->bytes); |
04de52f8 | 3253 | snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s", |
970017a4 | 3254 | con->http.fields[HTTP_FIELD_CONTENT_TYPE]); |
b14d90ba | 3255 | |
df3f73ff | 3256 | envp[envc ++] = "REQUEST_METHOD=POST"; |
3257 | envp[envc ++] = content_length; | |
3258 | envp[envc ++] = content_type; | |
b14d90ba | 3259 | } |
3260 | ||
30d60919 | 3261 | /* |
3262 | * Tell the CGI if we are using encryption... | |
3263 | */ | |
3264 | ||
b92c5a4f | 3265 | if (con->http.encryption == HTTP_ENCRYPT_ALWAYS) |
30d60919 | 3266 | envp[envc ++] = "HTTPS=ON"; |
41d6188e | 3267 | |
41d6188e | 3268 | /* |
3269 | * Terminate the environment array... | |
3270 | */ | |
30d60919 | 3271 | |
df3f73ff | 3272 | envp[envc] = NULL; |
3273 | ||
2ae14c39 | 3274 | if (LogLevel == L_DEBUG2) |
3275 | { | |
3276 | for (i = 0; i < argc; i ++) | |
ff346847 | 3277 | LogMessage(L_DEBUG2, "pipe_command: argv[%d] = \"%s\"", i, argv[i]); |
2ae14c39 | 3278 | for (i = 0; i < envc; i ++) |
ff346847 | 3279 | LogMessage(L_DEBUG2, "pipe_command: envp[%d] = \"%s\"", i, envp[i]); |
2ae14c39 | 3280 | } |
3281 | ||
a74b005d | 3282 | /* |
3283 | * Create a pipe for the output... | |
3284 | */ | |
3285 | ||
8650fcf2 | 3286 | if (cupsdOpenPipe(fds)) |
1d6c68fb | 3287 | { |
f6b55e0c | 3288 | ClearString(&query_string); |
3289 | ||
5ea8888e | 3290 | LogMessage(L_ERROR, "Unable to create pipes for CGI %s - %s", |
1d6c68fb | 3291 | argv[0], strerror(errno)); |
a74b005d | 3292 | return (0); |
1d6c68fb | 3293 | } |
a74b005d | 3294 | |
a665f6fc | 3295 | /* |
3296 | * Then execute the command... | |
3297 | */ | |
3298 | ||
3299 | if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1], | |
b38d93df | 3300 | -1, root, &pid) < 0) |
a665f6fc | 3301 | { |
3302 | /* | |
3303 | * Error - can't fork! | |
3304 | */ | |
3305 | ||
3306 | LogMessage(L_ERROR, "Unable to fork for CGI %s - %s", argv[0], | |
3307 | strerror(errno)); | |
3308 | ||
3309 | cupsdClosePipe(fds); | |
3310 | pid = 0; | |
3311 | } | |
3312 | else | |
3313 | { | |
3314 | /* | |
3315 | * Fork successful - return the PID... | |
3316 | */ | |
3317 | ||
d9acc9ab | 3318 | if (con->username[0]) |
3319 | AddCert(pid, con->username); | |
a665f6fc | 3320 | |
3321 | LogMessage(L_DEBUG, "CGI %s started - PID = %d", command, pid); | |
3322 | ||
3323 | *outfile = fds[0]; | |
3324 | close(fds[1]); | |
3325 | } | |
4d520ad4 | 3326 | |
f6b55e0c | 3327 | ClearString(&query_string); |
3328 | ||
5c8eff27 | 3329 | return (pid); |
a74b005d | 3330 | } |
3331 | ||
3332 | ||
dcfcaeac | 3333 | #if defined(HAVE_CDSASSL) |
3334 | /* | |
3335 | * 'CDSAReadFunc()' - Read function for CDSA decryption code. | |
3336 | */ | |
3337 | ||
3338 | static OSStatus /* O - -1 on error, 0 on success */ | |
3339 | CDSAReadFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3340 | void *data, /* I - Data buffer */ | |
3341 | size_t *dataLength) /* IO - Number of bytes */ | |
3342 | { | |
3343 | ssize_t bytes; /* Number of bytes read */ | |
3344 | ||
3345 | ||
3346 | bytes = recv((int)connection, data, *dataLength, 0); | |
3347 | if (bytes >= 0) | |
3348 | { | |
3349 | *dataLength = bytes; | |
3350 | return (0); | |
3351 | } | |
3352 | else | |
3353 | return (-1); | |
3354 | } | |
3355 | ||
3356 | ||
3357 | /* | |
3358 | * 'CDSAWriteFunc()' - Write function for CDSA encryption code. | |
3359 | */ | |
3360 | ||
3361 | static OSStatus /* O - -1 on error, 0 on success */ | |
3362 | CDSAWriteFunc(SSLConnectionRef connection, /* I - SSL/TLS connection */ | |
3363 | const void *data, /* I - Data buffer */ | |
3364 | size_t *dataLength) /* IO - Number of bytes */ | |
3365 | { | |
3366 | ssize_t bytes; | |
3367 | ||
3368 | ||
3369 | bytes = write((int)connection, data, *dataLength); | |
3370 | if (bytes >= 0) | |
3371 | { | |
3372 | *dataLength = bytes; | |
3373 | return (0); | |
3374 | } | |
3375 | else | |
3376 | return (-1); | |
3377 | } | |
3378 | #endif /* HAVE_CDSASSL */ | |
3379 | ||
3380 | ||
93894a43 | 3381 | /* |
b2e10895 | 3382 | * End of "$Id$". |
a74b005d | 3383 | */ |