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ecdc0628 | 1 | /* |
b19ccc9e | 2 | * "$Id: request.c 7946 2008-09-16 23:27:54Z mike $" |
ecdc0628 | 3 | * |
4 | * IPP utilities for the Common UNIX Printing System (CUPS). | |
5 | * | |
3d052e43 | 6 | * Copyright 2007-2008 by Apple Inc. |
b86bc4cf | 7 | * Copyright 1997-2007 by Easy Software Products. |
ecdc0628 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ecdc0628 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
3d052e43 MS |
19 | * cupsDoFileRequest() - Do an IPP request with a file. |
20 | * cupsDoIORequest() - Do an IPP request with file descriptors. | |
21 | * cupsDoRequest() - Do an IPP request. | |
22 | * cupsGetResponse() - Get a response to an IPP request. | |
23 | * cupsReadResponseData() - Read additional data after the IPP response. | |
24 | * cupsSendRequest() - Send an IPP request. | |
25 | * cupsWriteRequestData() - Write additional data after an IPP request. | |
26 | * _cupsSetError() - Set the last IPP status code and status-message. | |
27 | * _cupsSetHTTPError() - Set the last error using the HTTP status. | |
ecdc0628 | 28 | */ |
29 | ||
30 | /* | |
31 | * Include necessary headers... | |
32 | */ | |
33 | ||
34 | #include "globals.h" | |
35 | #include "debug.h" | |
36 | #include <stdlib.h> | |
37 | #include <errno.h> | |
38 | #include <fcntl.h> | |
39 | #include <sys/stat.h> | |
40 | #if defined(WIN32) || defined(__EMX__) | |
41 | # include <io.h> | |
42 | #else | |
43 | # include <unistd.h> | |
44 | #endif /* WIN32 || __EMX__ */ | |
b94498cf | 45 | #ifndef O_BINARY |
46 | # define O_BINARY 0 | |
47 | #endif /* O_BINARY */ | |
ecdc0628 | 48 | |
49 | ||
50 | /* | |
51 | * 'cupsDoFileRequest()' - Do an IPP request with a file. | |
52 | * | |
53 | * This function sends the IPP request to the specified server, retrying | |
568fa3fa | 54 | * and authenticating as necessary. The request is freed with @link ippDelete@ |
ecdc0628 | 55 | * after receiving a valid IPP response. |
56 | */ | |
57 | ||
58 | ipp_t * /* O - Response data */ | |
568fa3fa | 59 | cupsDoFileRequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
ecdc0628 | 60 | ipp_t *request, /* I - IPP request */ |
61 | const char *resource, /* I - HTTP resource for POST */ | |
568fa3fa | 62 | const char *filename) /* I - File to send or @code NULL@ for none */ |
b94498cf | 63 | { |
64 | ipp_t *response; /* IPP response data */ | |
65 | int infile; /* Input file */ | |
66 | ||
67 | ||
a603edef MS |
68 | DEBUG_printf(("cupsDoFileRequest(http=%p, request=%p(%s), resource=\"%s\", " |
69 | "filename=\"%s\")\n", http, request, | |
70 | request ? ippOpString(request->request.op.operation_id) : "?", | |
71 | resource ? resource : "(null)", | |
72 | filename ? filename : "(null)")); | |
73 | ||
b94498cf | 74 | if (filename) |
75 | { | |
76 | if ((infile = open(filename, O_RDONLY | O_BINARY)) < 0) | |
77 | { | |
78 | /* | |
79 | * Can't get file information! | |
80 | */ | |
81 | ||
82 | _cupsSetError(errno == ENOENT ? IPP_NOT_FOUND : IPP_NOT_AUTHORIZED, | |
749b1e90 | 83 | NULL, 0); |
b94498cf | 84 | |
85 | ippDelete(request); | |
86 | ||
87 | return (NULL); | |
88 | } | |
89 | } | |
90 | else | |
91 | infile = -1; | |
92 | ||
93 | response = cupsDoIORequest(http, request, resource, infile, -1); | |
94 | ||
95 | if (infile >= 0) | |
96 | close(infile); | |
97 | ||
98 | return (response); | |
99 | } | |
100 | ||
101 | ||
102 | /* | |
103 | * 'cupsDoIORequest()' - Do an IPP request with file descriptors. | |
104 | * | |
105 | * This function sends the IPP request to the specified server, retrying | |
106 | * and authenticating as necessary. The request is freed with ippDelete() | |
107 | * after receiving a valid IPP response. | |
108 | * | |
109 | * If "infile" is a valid file descriptor, cupsDoIORequest() copies | |
110 | * all of the data from the file after the IPP request message. | |
111 | * | |
112 | * If "outfile" is a valid file descriptor, cupsDoIORequest() copies | |
113 | * all of the data after the IPP response message to the file. | |
114 | * | |
115 | * @since CUPS 1.3@ | |
116 | */ | |
117 | ||
118 | ipp_t * /* O - Response data */ | |
568fa3fa | 119 | cupsDoIORequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
b94498cf | 120 | ipp_t *request, /* I - IPP request */ |
121 | const char *resource, /* I - HTTP resource for POST */ | |
122 | int infile, /* I - File to read from or -1 for none */ | |
123 | int outfile) /* I - File to write to or -1 for none */ | |
ecdc0628 | 124 | { |
3d052e43 MS |
125 | ipp_t *response = NULL; /* IPP response data */ |
126 | size_t length = 0; /* Content-Length value */ | |
ecdc0628 | 127 | http_status_t status; /* Status of HTTP request */ |
ecdc0628 | 128 | struct stat fileinfo; /* File information */ |
129 | int bytes; /* Number of bytes read/written */ | |
a74454a7 | 130 | char buffer[32768]; /* Output buffer */ |
ecdc0628 | 131 | |
132 | ||
a603edef | 133 | DEBUG_printf(("cupsDoIORequest(http=%p, request=%p(%s), resource=\"%s\", " |
3d052e43 | 134 | "infile=%d, outfile=%d)\n", http, request, |
a603edef | 135 | request ? ippOpString(request->request.op.operation_id) : "?", |
3d052e43 MS |
136 | resource ? resource : "(null)", infile, outfile)); |
137 | ||
138 | /* | |
139 | * Range check input... | |
140 | */ | |
ecdc0628 | 141 | |
3d052e43 | 142 | if (!request || !resource) |
ecdc0628 | 143 | { |
3d052e43 | 144 | ippDelete(request); |
ecdc0628 | 145 | |
749b1e90 | 146 | _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0); |
ecdc0628 | 147 | |
148 | return (NULL); | |
149 | } | |
150 | ||
3d052e43 MS |
151 | /* |
152 | * Get the default connection as needed... | |
153 | */ | |
154 | ||
155 | if (!http) | |
a603edef MS |
156 | if ((http = _cupsConnect()) == NULL) |
157 | return (NULL); | |
3d052e43 | 158 | |
ecdc0628 | 159 | /* |
160 | * See if we have a file to send... | |
161 | */ | |
162 | ||
b94498cf | 163 | if (infile >= 0) |
ecdc0628 | 164 | { |
b94498cf | 165 | if (fstat(infile, &fileinfo)) |
ecdc0628 | 166 | { |
167 | /* | |
168 | * Can't get file information! | |
169 | */ | |
170 | ||
3d052e43 | 171 | _cupsSetError(errno == EBADF ? IPP_NOT_FOUND : IPP_NOT_AUTHORIZED, |
749b1e90 | 172 | NULL, 0); |
ecdc0628 | 173 | |
174 | ippDelete(request); | |
175 | ||
176 | return (NULL); | |
177 | } | |
178 | ||
179 | #ifdef WIN32 | |
180 | if (fileinfo.st_mode & _S_IFDIR) | |
181 | #else | |
182 | if (S_ISDIR(fileinfo.st_mode)) | |
183 | #endif /* WIN32 */ | |
184 | { | |
185 | /* | |
186 | * Can't send a directory... | |
187 | */ | |
188 | ||
189 | ippDelete(request); | |
190 | ||
749b1e90 | 191 | _cupsSetError(IPP_NOT_POSSIBLE, strerror(EISDIR), 0); |
ecdc0628 | 192 | |
193 | return (NULL); | |
194 | } | |
3d052e43 MS |
195 | |
196 | #ifndef WIN32 | |
197 | if (!S_ISREG(fileinfo.st_mode)) | |
198 | length = 0; /* Chunk when piping */ | |
199 | else | |
200 | #endif /* !WIN32 */ | |
201 | length = ippLength(request) + fileinfo.st_size; | |
202 | } | |
203 | else | |
204 | length = ippLength(request); | |
205 | ||
206 | /* | |
207 | * Loop until we can send the request without authorization problems. | |
208 | */ | |
209 | ||
210 | while (response == NULL) | |
211 | { | |
b19ccc9e | 212 | DEBUG_puts("cupsDoIORequest: setup..."); |
3d052e43 MS |
213 | |
214 | /* | |
215 | * Send the request... | |
216 | */ | |
217 | ||
218 | status = cupsSendRequest(http, request, resource, length); | |
219 | ||
b19ccc9e | 220 | DEBUG_printf(("cupsDoIORequest: status=%d\n", status)); |
3d052e43 MS |
221 | |
222 | if (status == HTTP_CONTINUE && request->state == IPP_DATA && infile >= 0) | |
223 | { | |
b19ccc9e | 224 | DEBUG_puts("cupsDoIORequest: file write..."); |
3d052e43 MS |
225 | |
226 | /* | |
227 | * Send the file with the request... | |
228 | */ | |
229 | ||
230 | #ifndef WIN32 | |
231 | if (S_ISREG(fileinfo.st_mode)) | |
232 | #endif /* WIN32 */ | |
233 | lseek(infile, 0, SEEK_SET); | |
234 | ||
235 | while ((bytes = (int)read(infile, buffer, sizeof(buffer))) > 0) | |
236 | { | |
237 | if (httpCheck(http)) | |
238 | { | |
239 | if ((status = httpUpdate(http)) != HTTP_CONTINUE) | |
240 | break; | |
241 | } | |
242 | ||
243 | if (httpWrite2(http, buffer, bytes) < bytes) | |
244 | break; | |
245 | } | |
246 | } | |
247 | ||
248 | /* | |
249 | * Get the server's response... | |
250 | */ | |
251 | ||
252 | if (status == HTTP_CONTINUE || status == HTTP_OK) | |
253 | { | |
254 | response = cupsGetResponse(http, resource); | |
255 | status = http->status; | |
256 | } | |
257 | ||
ee571f26 MS |
258 | if (status == HTTP_FORBIDDEN || status == HTTP_ERROR || |
259 | status == HTTP_SERVICE_UNAVAILABLE) | |
260 | { | |
261 | _cupsSetHTTPError(status); | |
568fa3fa | 262 | break; |
ee571f26 | 263 | } |
568fa3fa | 264 | |
3d052e43 MS |
265 | if (response) |
266 | { | |
267 | if (outfile >= 0) | |
268 | { | |
269 | /* | |
270 | * Write trailing data to file... | |
271 | */ | |
272 | ||
273 | while ((bytes = (int)httpRead2(http, buffer, sizeof(buffer))) > 0) | |
274 | if (write(outfile, buffer, bytes) < bytes) | |
275 | break; | |
276 | } | |
277 | else | |
278 | { | |
279 | /* | |
280 | * Flush any remaining data... | |
281 | */ | |
282 | ||
283 | httpFlush(http); | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | /* | |
289 | * Delete the original request and return the response... | |
290 | */ | |
291 | ||
292 | ippDelete(request); | |
293 | ||
294 | return (response); | |
295 | } | |
296 | ||
297 | ||
298 | /* | |
299 | * 'cupsDoRequest()' - Do an IPP request. | |
300 | * | |
301 | * This function sends the IPP request to the specified server, retrying | |
302 | * and authenticating as necessary. The request is freed with ippDelete() | |
303 | * after receiving a valid IPP response. | |
304 | */ | |
305 | ||
306 | ipp_t * /* O - Response data */ | |
568fa3fa | 307 | cupsDoRequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
3d052e43 MS |
308 | ipp_t *request, /* I - IPP request */ |
309 | const char *resource) /* I - HTTP resource for POST */ | |
310 | { | |
a603edef MS |
311 | DEBUG_printf(("cupsDoRequest(http=%p, request=%p(%s), resource=\"%s\")\n", |
312 | http, request, | |
313 | request ? ippOpString(request->request.op.operation_id) : "?", | |
314 | resource ? resource : "(null)")); | |
315 | ||
b19ccc9e | 316 | return (cupsDoIORequest(http, request, resource, -1, -1)); |
3d052e43 MS |
317 | } |
318 | ||
319 | ||
320 | /* | |
321 | * 'cupsGetResponse()' - Get a response to an IPP request. | |
322 | * | |
323 | * Use this function to get the response for an IPP request sent using | |
324 | * cupsSendDocument() or cupsSendRequest(). For requests that return | |
325 | * additional data, use httpRead() after getting a successful response. | |
326 | * | |
327 | * @since CUPS 1.4@ | |
328 | */ | |
329 | ||
568fa3fa MS |
330 | ipp_t * /* O - Response or @code NULL@ on HTTP error */ |
331 | cupsGetResponse(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
3d052e43 MS |
332 | const char *resource) /* I - HTTP resource for POST */ |
333 | { | |
334 | http_status_t status; /* HTTP status */ | |
335 | ipp_state_t state; /* IPP read state */ | |
336 | ipp_t *response = NULL; /* IPP response */ | |
337 | ||
338 | ||
a603edef MS |
339 | DEBUG_printf(("cupsGetReponse(http=%p, resource=\"%s\")\n", http, |
340 | resource ? resource : "(null)")); | |
3d052e43 MS |
341 | |
342 | /* | |
343 | * Connect to the default server as needed... | |
344 | */ | |
345 | ||
346 | if (!http) | |
347 | http = _cupsConnect(); | |
348 | ||
349 | if (!http || (http->state != HTTP_POST_RECV && http->state != HTTP_POST_SEND)) | |
350 | return (NULL); | |
351 | ||
352 | /* | |
353 | * Check for an unfinished chunked request... | |
354 | */ | |
355 | ||
356 | if (http->data_encoding == HTTP_ENCODE_CHUNKED) | |
357 | { | |
358 | /* | |
359 | * Send a 0-length chunk to finish off the request... | |
360 | */ | |
361 | ||
362 | DEBUG_puts("cupsGetResponse: Finishing chunked POST..."); | |
363 | ||
364 | if (httpWrite2(http, "", 0) < 0) | |
365 | return (NULL); | |
366 | } | |
367 | ||
368 | /* | |
369 | * Wait for a response from the server... | |
370 | */ | |
371 | ||
1ff0402e MS |
372 | DEBUG_printf(("cupsGetResponse: Update loop, http->status=%d...\n", |
373 | http->status)); | |
3d052e43 | 374 | |
1ff0402e MS |
375 | status = http->status; |
376 | while (status == HTTP_CONTINUE) | |
377 | status = httpUpdate(http); | |
3d052e43 | 378 | |
a603edef | 379 | DEBUG_printf(("cupsGetResponse: status=%d\n", status)); |
3d052e43 MS |
380 | |
381 | if (status == HTTP_OK) | |
382 | { | |
383 | /* | |
384 | * Get the IPP response... | |
385 | */ | |
386 | ||
387 | response = ippNew(); | |
388 | ||
389 | while ((state = ippRead(http, response)) != IPP_DATA) | |
390 | if (state == IPP_ERROR) | |
391 | break; | |
392 | ||
393 | if (state == IPP_ERROR) | |
394 | { | |
395 | /* | |
396 | * Delete the response... | |
397 | */ | |
398 | ||
a603edef | 399 | DEBUG_puts("cupsGetResponse: IPP read error!"); |
3d052e43 MS |
400 | |
401 | ippDelete(response); | |
402 | response = NULL; | |
403 | ||
749b1e90 | 404 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); |
3d052e43 MS |
405 | } |
406 | } | |
407 | else if (status != HTTP_ERROR) | |
408 | { | |
409 | /* | |
410 | * Flush any error message... | |
411 | */ | |
412 | ||
413 | httpFlush(http); | |
414 | ||
415 | /* | |
416 | * Then handle encryption and authentication... | |
417 | */ | |
418 | ||
419 | if (status == HTTP_UNAUTHORIZED) | |
420 | { | |
421 | /* | |
422 | * See if we can do authentication... | |
423 | */ | |
424 | ||
568fa3fa MS |
425 | int auth_result; |
426 | ||
3d052e43 MS |
427 | DEBUG_puts("cupsGetResponse: Need authorization..."); |
428 | ||
ae71f5de | 429 | if ((auth_result = cupsDoAuthentication(http, "POST", resource)) == 0) |
3d052e43 | 430 | httpReconnect(http); |
568fa3fa MS |
431 | else if (auth_result < 0) |
432 | http->status = status = HTTP_FORBIDDEN; | |
3d052e43 MS |
433 | } |
434 | ||
435 | #ifdef HAVE_SSL | |
436 | else if (status == HTTP_UPGRADE_REQUIRED) | |
437 | { | |
438 | /* | |
439 | * Force a reconnect with encryption... | |
440 | */ | |
441 | ||
442 | DEBUG_puts("cupsGetResponse: Need encryption..."); | |
443 | ||
444 | if (!httpReconnect(http)) | |
445 | httpEncryption(http, HTTP_ENCRYPT_REQUIRED); | |
446 | } | |
447 | #endif /* HAVE_SSL */ | |
448 | } | |
449 | ||
450 | if (response) | |
451 | { | |
452 | ipp_attribute_t *attr; /* status-message attribute */ | |
453 | ||
454 | ||
455 | attr = ippFindAttribute(response, "status-message", IPP_TAG_TEXT); | |
456 | ||
a603edef MS |
457 | DEBUG_printf(("cupsGetResponse: status-code=%s, status-message=\"%s\"\n", |
458 | ippErrorString(response->request.status.status_code), | |
459 | attr ? attr->values[0].string.text : "")); | |
460 | ||
3d052e43 | 461 | _cupsSetError(response->request.status.status_code, |
749b1e90 MS |
462 | attr ? attr->values[0].string.text : |
463 | ippErrorString(response->request.status.status_code), 0); | |
3d052e43 MS |
464 | } |
465 | else if (status != HTTP_OK) | |
466 | _cupsSetHTTPError(status); | |
467 | ||
468 | return (response); | |
469 | } | |
470 | ||
471 | ||
472 | /* | |
473 | * 'cupsReadResponseData()' - Read additional data after the IPP response. | |
474 | * | |
475 | * This function is used after cupsGetResponse() to read the PPD or document | |
476 | * files for CUPS_GET_PPD and CUPS_GET_DOCUMENT requests, respectively. | |
477 | * | |
478 | * @since CUPS 1.4@ | |
479 | */ | |
480 | ||
481 | ssize_t /* O - Bytes read, 0 on EOF, -1 on error */ | |
482 | cupsReadResponseData( | |
568fa3fa | 483 | http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
3d052e43 MS |
484 | char *buffer, /* I - Buffer to use */ |
485 | size_t length) /* I - Number of bytes to read */ | |
486 | { | |
487 | /* | |
488 | * Get the default connection as needed... | |
489 | */ | |
490 | ||
a603edef MS |
491 | DEBUG_printf(("cupsReadResponseData(http=%p, buffer=%p, " |
492 | "length=" CUPS_LLFMT ")\n", http, buffer, CUPS_LLCAST length)); | |
493 | ||
3d052e43 MS |
494 | if (!http) |
495 | { | |
496 | _cups_globals_t *cg = _cupsGlobals(); | |
497 | /* Pointer to library globals */ | |
498 | ||
499 | if ((http = cg->http) == NULL) | |
500 | { | |
749b1e90 | 501 | _cupsSetError(IPP_INTERNAL_ERROR, _("No active connection"), 1); |
3d052e43 MS |
502 | return (-1); |
503 | } | |
ecdc0628 | 504 | } |
ecdc0628 | 505 | |
3d052e43 MS |
506 | /* |
507 | * Then read from the HTTP connection... | |
508 | */ | |
509 | ||
510 | return (httpRead2(http, buffer, length)); | |
511 | } | |
512 | ||
513 | ||
514 | /* | |
515 | * 'cupsSendRequest()' - Send an IPP request. | |
516 | * | |
517 | * Use httpWrite() to write any additional data (document, PPD file, etc.) | |
518 | * for the request, cupsGetResponse() to get the IPP response, and httpRead() | |
519 | * to read any additional data following the response. Only one request can be | |
520 | * sent/queued at a time. | |
521 | * | |
522 | * Unlike cupsDoFileRequest(), cupsDoIORequest(), and cupsDoRequest(), the | |
523 | * request is not freed. | |
524 | * | |
525 | * @since CUPS 1.4@ | |
526 | */ | |
527 | ||
528 | http_status_t /* O - Initial HTTP status */ | |
568fa3fa | 529 | cupsSendRequest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
3d052e43 MS |
530 | ipp_t *request, /* I - IPP request */ |
531 | const char *resource, /* I - Resource path */ | |
ae71f5de | 532 | size_t length) /* I - Length of data to follow or @code CUPS_LENGTH_VARIABLE@ */ |
3d052e43 MS |
533 | { |
534 | http_status_t status; /* Status of HTTP request */ | |
535 | int got_status; /* Did we get the status? */ | |
536 | ipp_state_t state; /* State of IPP processing */ | |
537 | http_status_t expect; /* Expect: header to use */ | |
538 | ||
539 | ||
a603edef | 540 | DEBUG_printf(("cupsSendRequest(http=%p, request=%p(%s), resource=\"%s\", " |
3d052e43 | 541 | "length=" CUPS_LLFMT ")\n", http, request, |
a603edef | 542 | request ? ippOpString(request->request.op.operation_id) : "?", |
3d052e43 MS |
543 | resource ? resource : "(null)", CUPS_LLCAST length)); |
544 | ||
545 | /* | |
546 | * Range check input... | |
547 | */ | |
548 | ||
549 | if (!request || !resource) | |
550 | { | |
749b1e90 | 551 | _cupsSetError(IPP_INTERNAL_ERROR, strerror(EINVAL), 0); |
3d052e43 MS |
552 | |
553 | return (HTTP_ERROR); | |
554 | } | |
555 | ||
556 | /* | |
557 | * Get the default connection as needed... | |
558 | */ | |
559 | ||
560 | if (!http) | |
a603edef MS |
561 | if ((http = _cupsConnect()) == NULL) |
562 | return (HTTP_SERVICE_UNAVAILABLE); | |
3d052e43 | 563 | |
7594b224 | 564 | #ifdef HAVE_SSL |
565 | /* | |
566 | * See if we have an auth-info attribute and are communicating over | |
567 | * a non-local link. If so, encrypt the link so that we can pass | |
568 | * the authentication information securely... | |
569 | */ | |
570 | ||
571 | if (ippFindAttribute(request, "auth-info", IPP_TAG_TEXT) && | |
572 | !httpAddrLocalhost(http->hostaddr) && !http->tls && | |
573 | httpEncryption(http, HTTP_ENCRYPT_REQUIRED)) | |
b19ccc9e MS |
574 | { |
575 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); | |
ee571f26 | 576 | return (HTTP_SERVICE_UNAVAILABLE); |
b19ccc9e | 577 | } |
7594b224 | 578 | #endif /* HAVE_SSL */ |
579 | ||
1ff0402e MS |
580 | /* |
581 | * Reconnect if the last response had a "Connection: close"... | |
582 | */ | |
583 | ||
584 | if (!strcasecmp(http->fields[HTTP_FIELD_CONNECTION], "close")) | |
585 | if (httpReconnect(http)) | |
b19ccc9e MS |
586 | { |
587 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); | |
1ff0402e | 588 | return (HTTP_SERVICE_UNAVAILABLE); |
b19ccc9e | 589 | } |
1ff0402e | 590 | |
ecdc0628 | 591 | /* |
592 | * Loop until we can send the request without authorization problems. | |
593 | */ | |
594 | ||
3d052e43 | 595 | expect = HTTP_CONTINUE; |
ecdc0628 | 596 | |
3d052e43 | 597 | for (;;) |
ecdc0628 | 598 | { |
a603edef | 599 | DEBUG_puts("cupsSendRequest: Setup..."); |
ecdc0628 | 600 | |
601 | /* | |
602 | * Setup the HTTP variables needed... | |
603 | */ | |
604 | ||
ecdc0628 | 605 | httpClearFields(http); |
606 | httpSetLength(http, length); | |
607 | httpSetField(http, HTTP_FIELD_CONTENT_TYPE, "application/ipp"); | |
608 | httpSetField(http, HTTP_FIELD_AUTHORIZATION, http->authstring); | |
f301802f | 609 | httpSetExpect(http, expect); |
ecdc0628 | 610 | |
3d052e43 | 611 | DEBUG_printf(("cupsSendRequest: authstring=\"%s\"\n", http->authstring)); |
ecdc0628 | 612 | |
613 | /* | |
614 | * Try the request... | |
615 | */ | |
616 | ||
a603edef | 617 | DEBUG_puts("cupsSendRequest: Sending HTTP POST..."); |
ecdc0628 | 618 | |
619 | if (httpPost(http, resource)) | |
620 | { | |
621 | if (httpReconnect(http)) | |
b19ccc9e MS |
622 | { |
623 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); | |
ee571f26 | 624 | return (HTTP_SERVICE_UNAVAILABLE); |
b19ccc9e | 625 | } |
ecdc0628 | 626 | else |
627 | continue; | |
628 | } | |
629 | ||
630 | /* | |
d6ae789d | 631 | * Send the IPP data... |
ecdc0628 | 632 | */ |
633 | ||
a603edef | 634 | DEBUG_puts("cupsSendRequest: Writing IPP request..."); |
b423cd4c | 635 | |
d6ae789d | 636 | request->state = IPP_IDLE; |
637 | status = HTTP_CONTINUE; | |
638 | got_status = 0; | |
639 | ||
640 | while ((state = ippWrite(http, request)) != IPP_DATA) | |
641 | if (state == IPP_ERROR) | |
642 | break; | |
643 | else if (httpCheck(http)) | |
644 | { | |
645 | got_status = 1; | |
646 | ||
647 | if ((status = httpUpdate(http)) != HTTP_CONTINUE) | |
648 | break; | |
649 | } | |
650 | ||
3d052e43 MS |
651 | /* |
652 | * Wait up to 1 second to get the 100-continue response as needed... | |
653 | */ | |
ecdc0628 | 654 | |
3d052e43 MS |
655 | if (!got_status && expect == HTTP_CONTINUE) |
656 | { | |
a603edef MS |
657 | DEBUG_puts("cupsSendRequest: Waiting for 100-continue..."); |
658 | ||
d6ae789d | 659 | if (httpWait(http, 1000)) |
660 | status = httpUpdate(http); | |
a603edef MS |
661 | else |
662 | status = HTTP_EXPECTATION_FAILED; | |
d6ae789d | 663 | } |
664 | else if (httpCheck(http)) | |
665 | status = httpUpdate(http); | |
ecdc0628 | 666 | |
a603edef MS |
667 | DEBUG_printf(("cupsSendRequest: status=%d\n", status)); |
668 | ||
ecdc0628 | 669 | /* |
3d052e43 | 670 | * Process the current HTTP status... |
ecdc0628 | 671 | */ |
672 | ||
3d052e43 | 673 | switch (status) |
ecdc0628 | 674 | { |
3d052e43 MS |
675 | case HTTP_ERROR : |
676 | case HTTP_CONTINUE : | |
677 | case HTTP_OK : | |
678 | return (status); | |
ecdc0628 | 679 | |
3d052e43 MS |
680 | case HTTP_UNAUTHORIZED : |
681 | if (!cupsDoAuthentication(http, "POST", resource)) | |
682 | if (httpReconnect(http)) | |
b19ccc9e MS |
683 | { |
684 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); | |
685 | return (HTTP_SERVICE_UNAVAILABLE); | |
686 | } | |
ecdc0628 | 687 | |
3d052e43 | 688 | return (status); |
89d46774 | 689 | |
ecdc0628 | 690 | #ifdef HAVE_SSL |
3d052e43 MS |
691 | case HTTP_UPGRADE_REQUIRED : |
692 | /* | |
693 | * Flush any error message, reconnect, and then upgrade with | |
694 | * encryption... | |
695 | */ | |
ecdc0628 | 696 | |
3d052e43 | 697 | if (httpReconnect(http)) |
b19ccc9e MS |
698 | { |
699 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, NULL, 0); | |
700 | return (HTTP_SERVICE_UNAVAILABLE); | |
701 | } | |
ecdc0628 | 702 | |
3d052e43 | 703 | httpEncryption(http, HTTP_ENCRYPT_REQUIRED); |
ecdc0628 | 704 | |
3d052e43 | 705 | return (status); |
ecdc0628 | 706 | #endif /* HAVE_SSL */ |
f301802f | 707 | |
3d052e43 MS |
708 | case HTTP_EXPECTATION_FAILED : |
709 | /* | |
710 | * Don't try using the Expect: header the next time around... | |
711 | */ | |
ecdc0628 | 712 | |
3d052e43 | 713 | expect = (http_status_t)0; |
a603edef | 714 | break; |
ecdc0628 | 715 | |
3d052e43 MS |
716 | default : |
717 | /* | |
718 | * Some other error... | |
719 | */ | |
ecdc0628 | 720 | |
3d052e43 | 721 | return (status); |
b94498cf | 722 | } |
723 | } | |
3d052e43 MS |
724 | } |
725 | ||
726 | ||
727 | /* | |
728 | * 'cupsWriteRequestData()' - Write additional data after an IPP request. | |
729 | * | |
568fa3fa MS |
730 | * This function is used after @link cupsSendRequest@ to provide a PPD and |
731 | * after @link cupsStartDocument@ to provide a document file. | |
3d052e43 MS |
732 | * |
733 | * @since CUPS 1.4@ | |
734 | */ | |
ecdc0628 | 735 | |
568fa3fa | 736 | http_status_t /* O - @code HTTP_CONTINUE@ if OK or HTTP status on error */ |
3d052e43 | 737 | cupsWriteRequestData( |
568fa3fa | 738 | http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
3d052e43 MS |
739 | const char *buffer, /* I - Bytes to write */ |
740 | size_t length) /* I - Number of bytes to write */ | |
741 | { | |
ecdc0628 | 742 | /* |
3d052e43 | 743 | * Get the default connection as needed... |
ecdc0628 | 744 | */ |
ecdc0628 | 745 | |
a603edef MS |
746 | DEBUG_printf(("cupsWriteRequestData(http=%p, buffer=%p, " |
747 | "length=" CUPS_LLFMT ")\n", http, buffer, CUPS_LLCAST length)); | |
748 | ||
3d052e43 | 749 | if (!http) |
ecdc0628 | 750 | { |
3d052e43 MS |
751 | _cups_globals_t *cg = _cupsGlobals(); |
752 | /* Pointer to library globals */ | |
ecdc0628 | 753 | |
3d052e43 MS |
754 | if ((http = cg->http) == NULL) |
755 | { | |
749b1e90 | 756 | _cupsSetError(IPP_INTERNAL_ERROR, _("No active connection"), 1); |
3d052e43 MS |
757 | return (HTTP_ERROR); |
758 | } | |
ecdc0628 | 759 | } |
ecdc0628 | 760 | |
3d052e43 MS |
761 | /* |
762 | * Then write to the HTTP connection... | |
763 | */ | |
ecdc0628 | 764 | |
3d052e43 MS |
765 | if (httpWrite2(http, buffer, length) < 0) |
766 | return (HTTP_ERROR); | |
ecdc0628 | 767 | |
3d052e43 MS |
768 | /* |
769 | * Finally, check if we have any pending data from the server... | |
770 | */ | |
ecdc0628 | 771 | |
3d052e43 MS |
772 | if (httpCheck(http)) |
773 | return (httpUpdate(http)); | |
774 | else | |
775 | return (HTTP_CONTINUE); | |
ecdc0628 | 776 | } |
777 | ||
778 | ||
779 | /* | |
780 | * '_cupsSetError()' - Set the last IPP status code and status-message. | |
781 | */ | |
782 | ||
783 | void | |
784 | _cupsSetError(ipp_status_t status, /* I - IPP status code */ | |
749b1e90 MS |
785 | const char *message, /* I - status-message value */ |
786 | int localize) /* I - Localize the message? */ | |
ecdc0628 | 787 | { |
788 | _cups_globals_t *cg; /* Global data */ | |
789 | ||
790 | ||
749b1e90 MS |
791 | if (!message && errno) |
792 | { | |
793 | message = strerror(errno); | |
794 | localize = 0; | |
795 | } | |
796 | ||
ecdc0628 | 797 | cg = _cupsGlobals(); |
798 | cg->last_error = status; | |
799 | ||
800 | if (cg->last_status_message) | |
801 | { | |
749b1e90 | 802 | _cupsStrFree(cg->last_status_message); |
ecdc0628 | 803 | |
804 | cg->last_status_message = NULL; | |
805 | } | |
806 | ||
807 | if (message) | |
749b1e90 MS |
808 | { |
809 | if (localize) | |
810 | { | |
811 | /* | |
812 | * Get the message catalog... | |
813 | */ | |
814 | ||
815 | if (!cg->lang_default) | |
816 | cg->lang_default = cupsLangDefault(); | |
817 | ||
818 | cg->last_status_message = _cupsStrAlloc(_cupsLangString(cg->lang_default, | |
819 | message)); | |
820 | } | |
821 | else | |
822 | cg->last_status_message = _cupsStrAlloc(message); | |
823 | } | |
a603edef MS |
824 | |
825 | DEBUG_printf(("_cupsSetError: last_error=%s, last_status_message=\"%s\"\n", | |
749b1e90 MS |
826 | ippErrorString(cg->last_error), |
827 | cg->last_status_message ? cg->last_status_message : "")); | |
ecdc0628 | 828 | } |
829 | ||
830 | ||
831 | /* | |
355e94dc MS |
832 | * '_cupsSetHTTPError()' - Set the last error using the HTTP status. |
833 | */ | |
834 | ||
835 | void | |
836 | _cupsSetHTTPError(http_status_t status) /* I - HTTP status code */ | |
837 | { | |
838 | switch (status) | |
839 | { | |
840 | case HTTP_NOT_FOUND : | |
749b1e90 | 841 | _cupsSetError(IPP_NOT_FOUND, httpStatus(status), 0); |
355e94dc MS |
842 | break; |
843 | ||
844 | case HTTP_UNAUTHORIZED : | |
749b1e90 | 845 | _cupsSetError(IPP_NOT_AUTHORIZED, httpStatus(status), 0); |
355e94dc MS |
846 | break; |
847 | ||
848 | case HTTP_FORBIDDEN : | |
749b1e90 | 849 | _cupsSetError(IPP_FORBIDDEN, httpStatus(status), 0); |
355e94dc MS |
850 | break; |
851 | ||
852 | case HTTP_BAD_REQUEST : | |
749b1e90 | 853 | _cupsSetError(IPP_BAD_REQUEST, httpStatus(status), 0); |
355e94dc MS |
854 | break; |
855 | ||
856 | case HTTP_REQUEST_TOO_LARGE : | |
749b1e90 | 857 | _cupsSetError(IPP_REQUEST_VALUE, httpStatus(status), 0); |
355e94dc MS |
858 | break; |
859 | ||
860 | case HTTP_NOT_IMPLEMENTED : | |
749b1e90 | 861 | _cupsSetError(IPP_OPERATION_NOT_SUPPORTED, httpStatus(status), 0); |
355e94dc MS |
862 | break; |
863 | ||
864 | case HTTP_NOT_SUPPORTED : | |
749b1e90 | 865 | _cupsSetError(IPP_VERSION_NOT_SUPPORTED, httpStatus(status), 0); |
355e94dc MS |
866 | break; |
867 | ||
868 | default : | |
869 | DEBUG_printf(("HTTP error %d mapped to IPP_SERVICE_UNAVAILABLE!\n", | |
870 | status)); | |
749b1e90 | 871 | _cupsSetError(IPP_SERVICE_UNAVAILABLE, httpStatus(status), 0); |
355e94dc MS |
872 | break; |
873 | } | |
874 | } | |
875 | ||
876 | ||
877 | /* | |
b19ccc9e | 878 | * End of "$Id: request.c 7946 2008-09-16 23:27:54Z mike $". |
ecdc0628 | 879 | */ |