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f787e1e3 | 1 | /* |
f787e1e3 MS |
2 | * PPD utilities for CUPS. |
3 | * | |
818bbe7a MS |
4 | * Copyright © 2007-2018 by Apple Inc. |
5 | * Copyright © 1997-2006 by Easy Software Products. | |
f787e1e3 | 6 | * |
4b042bf6 MS |
7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more |
8 | * information. | |
f787e1e3 MS |
9 | */ |
10 | ||
11 | /* | |
12 | * Include necessary headers... | |
13 | */ | |
14 | ||
15 | #include "cups-private.h" | |
16 | #include "ppd-private.h" | |
17 | #include <fcntl.h> | |
18 | #include <sys/stat.h> | |
19 | #if defined(WIN32) || defined(__EMX__) | |
20 | # include <io.h> | |
21 | #else | |
22 | # include <unistd.h> | |
23 | #endif /* WIN32 || __EMX__ */ | |
24 | ||
25 | ||
26 | /* | |
27 | * Local functions... | |
28 | */ | |
29 | ||
30 | static int cups_get_printer_uri(http_t *http, const char *name, | |
31 | char *host, int hostsize, int *port, | |
32 | char *resource, int resourcesize, | |
33 | int depth); | |
34 | ||
35 | ||
36 | /* | |
37 | * 'cupsGetPPD()' - Get the PPD file for a printer on the default server. | |
38 | * | |
39 | * For classes, @code cupsGetPPD@ returns the PPD file for the first printer | |
40 | * in the class. | |
41 | * | |
42 | * The returned filename is stored in a static buffer and is overwritten with | |
43 | * each call to @code cupsGetPPD@ or @link cupsGetPPD2@. The caller "owns" the | |
44 | * file that is created and must @code unlink@ the returned filename. | |
45 | */ | |
46 | ||
47 | const char * /* O - Filename for PPD file */ | |
48 | cupsGetPPD(const char *name) /* I - Destination name */ | |
49 | { | |
50 | _ppd_globals_t *pg = _ppdGlobals(); /* Pointer to library globals */ | |
51 | time_t modtime = 0; /* Modification time */ | |
52 | ||
53 | ||
54 | /* | |
55 | * Return the PPD file... | |
56 | */ | |
57 | ||
58 | pg->ppd_filename[0] = '\0'; | |
59 | ||
60 | if (cupsGetPPD3(CUPS_HTTP_DEFAULT, name, &modtime, pg->ppd_filename, | |
61 | sizeof(pg->ppd_filename)) == HTTP_STATUS_OK) | |
62 | return (pg->ppd_filename); | |
63 | else | |
64 | return (NULL); | |
65 | } | |
66 | ||
67 | ||
68 | /* | |
69 | * 'cupsGetPPD2()' - Get the PPD file for a printer from the specified server. | |
70 | * | |
71 | * For classes, @code cupsGetPPD2@ returns the PPD file for the first printer | |
72 | * in the class. | |
73 | * | |
74 | * The returned filename is stored in a static buffer and is overwritten with | |
75 | * each call to @link cupsGetPPD@ or @code cupsGetPPD2@. The caller "owns" the | |
76 | * file that is created and must @code unlink@ the returned filename. | |
77 | * | |
8072030b | 78 | * @since CUPS 1.1.21/macOS 10.4@ |
f787e1e3 MS |
79 | */ |
80 | ||
81 | const char * /* O - Filename for PPD file */ | |
82 | cupsGetPPD2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
83 | const char *name) /* I - Destination name */ | |
84 | { | |
85 | _ppd_globals_t *pg = _ppdGlobals(); /* Pointer to library globals */ | |
86 | time_t modtime = 0; /* Modification time */ | |
87 | ||
88 | ||
89 | pg->ppd_filename[0] = '\0'; | |
90 | ||
91 | if (cupsGetPPD3(http, name, &modtime, pg->ppd_filename, | |
92 | sizeof(pg->ppd_filename)) == HTTP_STATUS_OK) | |
93 | return (pg->ppd_filename); | |
94 | else | |
95 | return (NULL); | |
96 | } | |
97 | ||
98 | ||
99 | /* | |
100 | * 'cupsGetPPD3()' - Get the PPD file for a printer on the specified | |
101 | * server if it has changed. | |
102 | * | |
103 | * The "modtime" parameter contains the modification time of any | |
104 | * locally-cached content and is updated with the time from the PPD file on | |
105 | * the server. | |
106 | * | |
107 | * The "buffer" parameter contains the local PPD filename. If it contains | |
108 | * the empty string, a new temporary file is created, otherwise the existing | |
109 | * file will be overwritten as needed. The caller "owns" the file that is | |
110 | * created and must @code unlink@ the returned filename. | |
111 | * | |
112 | * On success, @code HTTP_STATUS_OK@ is returned for a new PPD file and | |
113 | * @code HTTP_STATUS_NOT_MODIFIED@ if the existing PPD file is up-to-date. Any other | |
114 | * status is an error. | |
115 | * | |
116 | * For classes, @code cupsGetPPD3@ returns the PPD file for the first printer | |
117 | * in the class. | |
118 | * | |
8072030b | 119 | * @since CUPS 1.4/macOS 10.6@ |
f787e1e3 MS |
120 | */ |
121 | ||
122 | http_status_t /* O - HTTP status */ | |
123 | cupsGetPPD3(http_t *http, /* I - HTTP connection or @code CUPS_HTTP_DEFAULT@ */ | |
124 | const char *name, /* I - Destination name */ | |
125 | time_t *modtime, /* IO - Modification time */ | |
126 | char *buffer, /* I - Filename buffer */ | |
127 | size_t bufsize) /* I - Size of filename buffer */ | |
128 | { | |
129 | int http_port; /* Port number */ | |
130 | char http_hostname[HTTP_MAX_HOST]; | |
131 | /* Hostname associated with connection */ | |
132 | http_t *http2; /* Alternate HTTP connection */ | |
133 | int fd; /* PPD file */ | |
134 | char localhost[HTTP_MAX_URI],/* Local hostname */ | |
135 | hostname[HTTP_MAX_URI], /* Hostname */ | |
136 | resource[HTTP_MAX_URI]; /* Resource name */ | |
137 | int port; /* Port number */ | |
138 | http_status_t status; /* HTTP status from server */ | |
139 | char tempfile[1024] = ""; /* Temporary filename */ | |
140 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
141 | ||
142 | ||
143 | /* | |
144 | * Range check input... | |
145 | */ | |
146 | ||
147 | DEBUG_printf(("cupsGetPPD3(http=%p, name=\"%s\", modtime=%p(%d), buffer=%p, " | |
148 | "bufsize=%d)", http, name, modtime, | |
149 | modtime ? (int)*modtime : 0, buffer, (int)bufsize)); | |
150 | ||
151 | if (!name) | |
152 | { | |
818bbe7a | 153 | DEBUG_puts("2cupsGetPPD3: No printer name, returning NULL."); |
f787e1e3 MS |
154 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer name"), 1); |
155 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
156 | } | |
157 | ||
158 | if (!modtime) | |
159 | { | |
818bbe7a | 160 | DEBUG_puts("2cupsGetPPD3: No modtime, returning NULL."); |
f787e1e3 MS |
161 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No modification time"), 1); |
162 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
163 | } | |
164 | ||
165 | if (!buffer || bufsize <= 1) | |
166 | { | |
818bbe7a | 167 | DEBUG_puts("2cupsGetPPD3: No filename buffer, returning NULL."); |
f787e1e3 MS |
168 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad filename buffer"), 1); |
169 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
170 | } | |
171 | ||
172 | #ifndef WIN32 | |
173 | /* | |
174 | * See if the PPD file is available locally... | |
175 | */ | |
176 | ||
177 | if (http) | |
178 | httpGetHostname(http, hostname, sizeof(hostname)); | |
179 | else | |
180 | { | |
181 | strlcpy(hostname, cupsServer(), sizeof(hostname)); | |
182 | if (hostname[0] == '/') | |
183 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
184 | } | |
185 | ||
186 | if (!_cups_strcasecmp(hostname, "localhost")) | |
187 | { | |
188 | char ppdname[1024]; /* PPD filename */ | |
189 | struct stat ppdinfo; /* PPD file information */ | |
190 | ||
191 | ||
192 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", cg->cups_serverroot, | |
193 | name); | |
194 | if (!stat(ppdname, &ppdinfo) && !access(ppdname, R_OK)) | |
195 | { | |
196 | /* | |
197 | * OK, the file exists and is readable, use it! | |
198 | */ | |
199 | ||
200 | if (buffer[0]) | |
201 | { | |
818bbe7a MS |
202 | DEBUG_printf(("2cupsGetPPD3: Using filename \"%s\".", buffer)); |
203 | ||
f787e1e3 MS |
204 | unlink(buffer); |
205 | ||
206 | if (symlink(ppdname, buffer) && errno != EEXIST) | |
207 | { | |
208 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
209 | ||
210 | return (HTTP_STATUS_SERVER_ERROR); | |
211 | } | |
212 | } | |
213 | else | |
214 | { | |
215 | int tries; /* Number of tries */ | |
216 | const char *tmpdir; /* TMPDIR environment variable */ | |
217 | struct timeval curtime; /* Current time */ | |
218 | ||
818bbe7a MS |
219 | |
220 | #ifdef __APPLE__ | |
221 | /* | |
b0bb6caa MS |
222 | * On macOS and iOS, the TMPDIR environment variable is not always the |
223 | * best location to place temporary files due to sandboxing. Instead, | |
224 | * the confstr function should be called to get the proper per-user, | |
225 | * per-process TMPDIR value. | |
818bbe7a MS |
226 | */ |
227 | ||
228 | char tmppath[1024]; /* Temporary directory */ | |
229 | ||
18dfe3cb | 230 | if ((tmpdir = getenv("TMPDIR")) != NULL && access(tmpdir, W_OK)) |
818bbe7a MS |
231 | tmpdir = NULL; |
232 | ||
233 | if (!tmpdir) | |
234 | { | |
235 | if (confstr(_CS_DARWIN_USER_TEMP_DIR, tmppath, sizeof(tmppath))) | |
236 | tmpdir = tmppath; | |
237 | else | |
238 | tmpdir = "/private/tmp"; /* This should never happen */ | |
239 | } | |
240 | #else | |
f787e1e3 MS |
241 | /* |
242 | * Previously we put root temporary files in the default CUPS temporary | |
243 | * directory under /var/spool/cups. However, since the scheduler cleans | |
244 | * out temporary files there and runs independently of the user apps, we | |
245 | * don't want to use it unless specifically told to by cupsd. | |
246 | */ | |
247 | ||
248 | if ((tmpdir = getenv("TMPDIR")) == NULL) | |
818bbe7a MS |
249 | tmpdir = "/tmp"; |
250 | #endif /* __APPLE__ */ | |
251 | ||
252 | DEBUG_printf(("2cupsGetPPD3: tmpdir=\"%s\".", tmpdir)); | |
f787e1e3 MS |
253 | |
254 | /* | |
255 | * Make the temporary name using the specified directory... | |
256 | */ | |
257 | ||
258 | tries = 0; | |
259 | ||
260 | do | |
261 | { | |
262 | /* | |
263 | * Get the current time of day... | |
264 | */ | |
265 | ||
266 | gettimeofday(&curtime, NULL); | |
267 | ||
268 | /* | |
269 | * Format a string using the hex time values... | |
270 | */ | |
271 | ||
272 | snprintf(buffer, bufsize, "%s/%08lx%05lx", tmpdir, | |
273 | (unsigned long)curtime.tv_sec, | |
274 | (unsigned long)curtime.tv_usec); | |
275 | ||
276 | /* | |
277 | * Try to make a symlink... | |
278 | */ | |
279 | ||
280 | if (!symlink(ppdname, buffer)) | |
281 | break; | |
282 | ||
818bbe7a MS |
283 | DEBUG_printf(("2cupsGetPPD3: Symlink \"%s\" to \"%s\" failed: %s", ppdname, buffer, strerror(errno))); |
284 | ||
f787e1e3 MS |
285 | tries ++; |
286 | } | |
287 | while (tries < 1000); | |
288 | ||
289 | if (tries >= 1000) | |
290 | { | |
818bbe7a MS |
291 | DEBUG_puts("2cupsGetPPD3: Unable to symlink after 1000 tries, returning error."); |
292 | ||
f787e1e3 MS |
293 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); |
294 | ||
295 | return (HTTP_STATUS_SERVER_ERROR); | |
296 | } | |
297 | } | |
298 | ||
299 | if (*modtime >= ppdinfo.st_mtime) | |
818bbe7a MS |
300 | { |
301 | DEBUG_printf(("2cupsGetPPD3: Returning not-modified, filename=\"%s\".", buffer)); | |
f787e1e3 | 302 | return (HTTP_STATUS_NOT_MODIFIED); |
818bbe7a | 303 | } |
f787e1e3 MS |
304 | else |
305 | { | |
818bbe7a | 306 | DEBUG_printf(("2cupsGetPPD3: Returning ok, filename=\"%s\", modtime=%ld.", buffer, (long)ppdinfo.st_mtime)); |
f787e1e3 MS |
307 | *modtime = ppdinfo.st_mtime; |
308 | return (HTTP_STATUS_OK); | |
309 | } | |
310 | } | |
311 | } | |
312 | #endif /* !WIN32 */ | |
313 | ||
314 | /* | |
315 | * Try finding a printer URI for this printer... | |
316 | */ | |
317 | ||
818bbe7a MS |
318 | DEBUG_puts("2cupsGetPPD3: Unable to access local file, copying..."); |
319 | ||
f787e1e3 | 320 | if (!http) |
818bbe7a | 321 | { |
f787e1e3 | 322 | if ((http = _cupsConnect()) == NULL) |
818bbe7a MS |
323 | { |
324 | DEBUG_puts("2cupsGetPPD3: Unable to connect to scheduler."); | |
f787e1e3 | 325 | return (HTTP_STATUS_SERVICE_UNAVAILABLE); |
818bbe7a MS |
326 | } |
327 | } | |
f787e1e3 | 328 | |
818bbe7a MS |
329 | if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port, resource, sizeof(resource), 0)) |
330 | { | |
331 | DEBUG_puts("2cupsGetPPD3: Unable to get printer URI."); | |
f787e1e3 | 332 | return (HTTP_STATUS_NOT_FOUND); |
818bbe7a | 333 | } |
f787e1e3 | 334 | |
818bbe7a | 335 | DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname, port)); |
f787e1e3 MS |
336 | |
337 | if (cupsServer()[0] == '/' && !_cups_strcasecmp(hostname, "localhost") && port == ippPort()) | |
338 | { | |
339 | /* | |
340 | * Redirect localhost to domain socket... | |
341 | */ | |
342 | ||
343 | strlcpy(hostname, cupsServer(), sizeof(hostname)); | |
344 | port = 0; | |
345 | ||
346 | DEBUG_printf(("2cupsGetPPD3: Redirecting to \"%s\".", hostname)); | |
347 | } | |
348 | ||
349 | /* | |
350 | * Remap local hostname to localhost... | |
351 | */ | |
352 | ||
353 | httpGetHostname(NULL, localhost, sizeof(localhost)); | |
354 | ||
355 | DEBUG_printf(("2cupsGetPPD3: Local hostname=\"%s\"", localhost)); | |
356 | ||
357 | if (!_cups_strcasecmp(localhost, hostname)) | |
358 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
359 | ||
360 | /* | |
361 | * Get the hostname and port number we are connected to... | |
362 | */ | |
363 | ||
364 | httpGetHostname(http, http_hostname, sizeof(http_hostname)); | |
365 | http_port = httpAddrPort(http->hostaddr); | |
366 | ||
367 | DEBUG_printf(("2cupsGetPPD3: Connection hostname=\"%s\", port=%d", | |
368 | http_hostname, http_port)); | |
369 | ||
370 | /* | |
371 | * Reconnect to the correct server as needed... | |
372 | */ | |
373 | ||
374 | if (!_cups_strcasecmp(http_hostname, hostname) && port == http_port) | |
375 | http2 = http; | |
376 | else if ((http2 = httpConnect2(hostname, port, NULL, AF_UNSPEC, | |
377 | cupsEncryption(), 1, 30000, NULL)) == NULL) | |
378 | { | |
818bbe7a | 379 | DEBUG_puts("2cupsGetPPD3: Unable to connect to server"); |
f787e1e3 MS |
380 | |
381 | return (HTTP_STATUS_SERVICE_UNAVAILABLE); | |
382 | } | |
383 | ||
384 | /* | |
385 | * Get a temp file... | |
386 | */ | |
387 | ||
388 | if (buffer[0]) | |
389 | fd = open(buffer, O_CREAT | O_TRUNC | O_WRONLY, 0600); | |
390 | else | |
391 | fd = cupsTempFd(tempfile, sizeof(tempfile)); | |
392 | ||
393 | if (fd < 0) | |
394 | { | |
395 | /* | |
396 | * Can't open file; close the server connection and return NULL... | |
397 | */ | |
398 | ||
399 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
400 | ||
401 | if (http2 != http) | |
402 | httpClose(http2); | |
403 | ||
404 | return (HTTP_STATUS_SERVER_ERROR); | |
405 | } | |
406 | ||
407 | /* | |
408 | * And send a request to the HTTP server... | |
409 | */ | |
410 | ||
411 | strlcat(resource, ".ppd", sizeof(resource)); | |
412 | ||
413 | if (*modtime > 0) | |
414 | httpSetField(http2, HTTP_FIELD_IF_MODIFIED_SINCE, | |
415 | httpGetDateString(*modtime)); | |
416 | ||
417 | status = cupsGetFd(http2, resource, fd); | |
418 | ||
419 | close(fd); | |
420 | ||
421 | /* | |
422 | * See if we actually got the file or an error... | |
423 | */ | |
424 | ||
425 | if (status == HTTP_STATUS_OK) | |
426 | { | |
427 | *modtime = httpGetDateTime(httpGetField(http2, HTTP_FIELD_DATE)); | |
428 | ||
429 | if (tempfile[0]) | |
430 | strlcpy(buffer, tempfile, bufsize); | |
431 | } | |
432 | else if (status != HTTP_STATUS_NOT_MODIFIED) | |
433 | { | |
434 | _cupsSetHTTPError(status); | |
435 | ||
436 | if (buffer[0]) | |
437 | unlink(buffer); | |
438 | else if (tempfile[0]) | |
439 | unlink(tempfile); | |
440 | } | |
441 | else if (tempfile[0]) | |
442 | unlink(tempfile); | |
443 | ||
444 | if (http2 != http) | |
445 | httpClose(http2); | |
446 | ||
447 | /* | |
448 | * Return the PPD file... | |
449 | */ | |
450 | ||
818bbe7a | 451 | DEBUG_printf(("2cupsGetPPD3: Returning status %d", status)); |
f787e1e3 MS |
452 | |
453 | return (status); | |
454 | } | |
455 | ||
456 | ||
457 | /* | |
458 | * 'cupsGetServerPPD()' - Get an available PPD file from the server. | |
459 | * | |
460 | * This function returns the named PPD file from the server. The | |
461 | * list of available PPDs is provided by the IPP @code CUPS_GET_PPDS@ | |
462 | * operation. | |
463 | * | |
464 | * You must remove (unlink) the PPD file when you are finished with | |
465 | * it. The PPD filename is stored in a static location that will be | |
466 | * overwritten on the next call to @link cupsGetPPD@, @link cupsGetPPD2@, | |
467 | * or @link cupsGetServerPPD@. | |
468 | * | |
8072030b | 469 | * @since CUPS 1.3/macOS 10.5@ |
f787e1e3 MS |
470 | */ |
471 | ||
472 | char * /* O - Name of PPD file or @code NULL@ on error */ | |
473 | cupsGetServerPPD(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
474 | const char *name) /* I - Name of PPD file ("ppd-name") */ | |
475 | { | |
476 | int fd; /* PPD file descriptor */ | |
477 | ipp_t *request; /* IPP request */ | |
478 | _ppd_globals_t *pg = _ppdGlobals(); | |
479 | /* Pointer to library globals */ | |
480 | ||
481 | ||
482 | /* | |
483 | * Range check input... | |
484 | */ | |
485 | ||
486 | if (!name) | |
487 | { | |
488 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No PPD name"), 1); | |
489 | ||
490 | return (NULL); | |
491 | } | |
492 | ||
493 | if (!http) | |
494 | if ((http = _cupsConnect()) == NULL) | |
495 | return (NULL); | |
496 | ||
497 | /* | |
498 | * Get a temp file... | |
499 | */ | |
500 | ||
501 | if ((fd = cupsTempFd(pg->ppd_filename, sizeof(pg->ppd_filename))) < 0) | |
502 | { | |
503 | /* | |
504 | * Can't open file; close the server connection and return NULL... | |
505 | */ | |
506 | ||
507 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
508 | ||
509 | return (NULL); | |
510 | } | |
511 | ||
512 | /* | |
513 | * Get the PPD file... | |
514 | */ | |
515 | ||
516 | request = ippNewRequest(IPP_OP_CUPS_GET_PPD); | |
517 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "ppd-name", NULL, | |
518 | name); | |
519 | ||
520 | ippDelete(cupsDoIORequest(http, request, "/", -1, fd)); | |
521 | ||
522 | close(fd); | |
523 | ||
524 | if (cupsLastError() != IPP_STATUS_OK) | |
525 | { | |
526 | unlink(pg->ppd_filename); | |
527 | return (NULL); | |
528 | } | |
529 | else | |
530 | return (pg->ppd_filename); | |
531 | } | |
532 | ||
533 | ||
534 | /* | |
535 | * 'cups_get_printer_uri()' - Get the printer-uri-supported attribute for the | |
536 | * first printer in a class. | |
537 | */ | |
538 | ||
539 | static int /* O - 1 on success, 0 on failure */ | |
540 | cups_get_printer_uri( | |
541 | http_t *http, /* I - Connection to server */ | |
542 | const char *name, /* I - Name of printer or class */ | |
543 | char *host, /* I - Hostname buffer */ | |
544 | int hostsize, /* I - Size of hostname buffer */ | |
545 | int *port, /* O - Port number */ | |
546 | char *resource, /* I - Resource buffer */ | |
547 | int resourcesize, /* I - Size of resource buffer */ | |
548 | int depth) /* I - Depth of query */ | |
549 | { | |
550 | int i; /* Looping var */ | |
f787e1e3 MS |
551 | ipp_t *request, /* IPP request */ |
552 | *response; /* IPP response */ | |
553 | ipp_attribute_t *attr; /* Current attribute */ | |
554 | char uri[HTTP_MAX_URI], /* printer-uri attribute */ | |
555 | scheme[HTTP_MAX_URI], /* Scheme name */ | |
003c1790 | 556 | username[HTTP_MAX_URI]; /* Username:password */ |
f787e1e3 MS |
557 | static const char * const requested_attrs[] = |
558 | { /* Requested attributes */ | |
f787e1e3 | 559 | "member-uris", |
003c1790 | 560 | "printer-uri-supported" |
f787e1e3 MS |
561 | }; |
562 | ||
563 | ||
564 | DEBUG_printf(("4cups_get_printer_uri(http=%p, name=\"%s\", host=%p, hostsize=%d, resource=%p, resourcesize=%d, depth=%d)", http, name, host, hostsize, resource, resourcesize, depth)); | |
565 | ||
566 | /* | |
567 | * Setup the printer URI... | |
568 | */ | |
569 | ||
570 | if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", 0, "/printers/%s", name) < HTTP_URI_STATUS_OK) | |
571 | { | |
572 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create printer-uri"), 1); | |
573 | ||
574 | *host = '\0'; | |
575 | *resource = '\0'; | |
576 | ||
577 | return (0); | |
578 | } | |
579 | ||
580 | DEBUG_printf(("5cups_get_printer_uri: printer-uri=\"%s\"", uri)); | |
581 | ||
f787e1e3 MS |
582 | /* |
583 | * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following | |
584 | * attributes: | |
585 | * | |
586 | * attributes-charset | |
587 | * attributes-natural-language | |
588 | * printer-uri | |
589 | * requested-attributes | |
590 | */ | |
591 | ||
592 | request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES); | |
593 | ||
594 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); | |
595 | ||
596 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(requested_attrs) / sizeof(requested_attrs[0]), NULL, requested_attrs); | |
597 | ||
598 | /* | |
599 | * Do the request and get back a response... | |
600 | */ | |
601 | ||
602 | snprintf(resource, (size_t)resourcesize, "/printers/%s", name); | |
603 | ||
604 | if ((response = cupsDoRequest(http, request, resource)) != NULL) | |
605 | { | |
003c1790 | 606 | if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL) |
f787e1e3 MS |
607 | { |
608 | /* | |
609 | * Get the first actual printer name in the class... | |
610 | */ | |
611 | ||
612 | DEBUG_printf(("5cups_get_printer_uri: Got member-uris with %d values.", ippGetCount(attr))); | |
613 | ||
614 | for (i = 0; i < attr->num_values; i ++) | |
615 | { | |
616 | DEBUG_printf(("5cups_get_printer_uri: member-uris[%d]=\"%s\"", i, ippGetString(attr, i, NULL))); | |
617 | ||
618 | httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text, scheme, sizeof(scheme), username, sizeof(username), host, hostsize, port, resource, resourcesize); | |
619 | if (!strncmp(resource, "/printers/", 10)) | |
620 | { | |
621 | /* | |
622 | * Found a printer! | |
623 | */ | |
624 | ||
625 | ippDelete(response); | |
626 | ||
627 | DEBUG_printf(("5cups_get_printer_uri: Found printer member with host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource)); | |
628 | return (1); | |
629 | } | |
630 | } | |
f787e1e3 MS |
631 | } |
632 | else if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL) | |
633 | { | |
634 | httpSeparateURI(HTTP_URI_CODING_ALL, _httpResolveURI(attr->values[0].string.text, uri, sizeof(uri), _HTTP_RESOLVE_DEFAULT, NULL, NULL), scheme, sizeof(scheme), username, sizeof(username), host, hostsize, port, resource, resourcesize); | |
635 | ippDelete(response); | |
636 | ||
637 | DEBUG_printf(("5cups_get_printer_uri: Resolved to host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource)); | |
638 | ||
639 | if (!strncmp(resource, "/classes/", 9)) | |
640 | { | |
641 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer-uri found for class"), 1); | |
642 | ||
643 | *host = '\0'; | |
644 | *resource = '\0'; | |
645 | ||
646 | DEBUG_puts("5cups_get_printer_uri: Not returning class."); | |
647 | return (0); | |
648 | } | |
649 | ||
650 | return (1); | |
651 | } | |
652 | ||
653 | ippDelete(response); | |
654 | } | |
655 | ||
656 | if (cupsLastError() != IPP_STATUS_ERROR_NOT_FOUND) | |
657 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer-uri found"), 1); | |
658 | ||
659 | *host = '\0'; | |
660 | *resource = '\0'; | |
661 | ||
662 | DEBUG_puts("5cups_get_printer_uri: Printer URI not found."); | |
663 | return (0); | |
664 | } |