]>
Commit | Line | Data |
---|---|---|
f787e1e3 | 1 | /* |
f787e1e3 MS |
2 | * PPD utilities for CUPS. |
3 | * | |
4 | * Copyright 2007-2015 by Apple Inc. | |
5 | * Copyright 1997-2006 by Easy Software Products. | |
6 | * | |
e3101897 | 7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more information. |
f787e1e3 MS |
8 | */ |
9 | ||
10 | /* | |
11 | * Include necessary headers... | |
12 | */ | |
13 | ||
14 | #include "cups-private.h" | |
15 | #include "ppd-private.h" | |
16 | #include <fcntl.h> | |
17 | #include <sys/stat.h> | |
18 | #if defined(WIN32) || defined(__EMX__) | |
19 | # include <io.h> | |
20 | #else | |
21 | # include <unistd.h> | |
22 | #endif /* WIN32 || __EMX__ */ | |
23 | ||
24 | ||
25 | /* | |
26 | * Local functions... | |
27 | */ | |
28 | ||
29 | static int cups_get_printer_uri(http_t *http, const char *name, | |
30 | char *host, int hostsize, int *port, | |
31 | char *resource, int resourcesize, | |
32 | int depth); | |
33 | ||
34 | ||
35 | /* | |
36 | * 'cupsGetPPD()' - Get the PPD file for a printer on the default server. | |
37 | * | |
38 | * For classes, @code cupsGetPPD@ returns the PPD file for the first printer | |
39 | * in the class. | |
40 | * | |
41 | * The returned filename is stored in a static buffer and is overwritten with | |
42 | * each call to @code cupsGetPPD@ or @link cupsGetPPD2@. The caller "owns" the | |
43 | * file that is created and must @code unlink@ the returned filename. | |
44 | */ | |
45 | ||
46 | const char * /* O - Filename for PPD file */ | |
47 | cupsGetPPD(const char *name) /* I - Destination name */ | |
48 | { | |
49 | _ppd_globals_t *pg = _ppdGlobals(); /* Pointer to library globals */ | |
50 | time_t modtime = 0; /* Modification time */ | |
51 | ||
52 | ||
53 | /* | |
54 | * Return the PPD file... | |
55 | */ | |
56 | ||
57 | pg->ppd_filename[0] = '\0'; | |
58 | ||
59 | if (cupsGetPPD3(CUPS_HTTP_DEFAULT, name, &modtime, pg->ppd_filename, | |
60 | sizeof(pg->ppd_filename)) == HTTP_STATUS_OK) | |
61 | return (pg->ppd_filename); | |
62 | else | |
63 | return (NULL); | |
64 | } | |
65 | ||
66 | ||
67 | /* | |
68 | * 'cupsGetPPD2()' - Get the PPD file for a printer from the specified server. | |
69 | * | |
70 | * For classes, @code cupsGetPPD2@ returns the PPD file for the first printer | |
71 | * in the class. | |
72 | * | |
73 | * The returned filename is stored in a static buffer and is overwritten with | |
74 | * each call to @link cupsGetPPD@ or @code cupsGetPPD2@. The caller "owns" the | |
75 | * file that is created and must @code unlink@ the returned filename. | |
76 | * | |
8072030b | 77 | * @since CUPS 1.1.21/macOS 10.4@ |
f787e1e3 MS |
78 | */ |
79 | ||
80 | const char * /* O - Filename for PPD file */ | |
81 | cupsGetPPD2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
82 | const char *name) /* I - Destination name */ | |
83 | { | |
84 | _ppd_globals_t *pg = _ppdGlobals(); /* Pointer to library globals */ | |
85 | time_t modtime = 0; /* Modification time */ | |
86 | ||
87 | ||
88 | pg->ppd_filename[0] = '\0'; | |
89 | ||
90 | if (cupsGetPPD3(http, name, &modtime, pg->ppd_filename, | |
91 | sizeof(pg->ppd_filename)) == HTTP_STATUS_OK) | |
92 | return (pg->ppd_filename); | |
93 | else | |
94 | return (NULL); | |
95 | } | |
96 | ||
97 | ||
98 | /* | |
99 | * 'cupsGetPPD3()' - Get the PPD file for a printer on the specified | |
100 | * server if it has changed. | |
101 | * | |
102 | * The "modtime" parameter contains the modification time of any | |
103 | * locally-cached content and is updated with the time from the PPD file on | |
104 | * the server. | |
105 | * | |
106 | * The "buffer" parameter contains the local PPD filename. If it contains | |
107 | * the empty string, a new temporary file is created, otherwise the existing | |
108 | * file will be overwritten as needed. The caller "owns" the file that is | |
109 | * created and must @code unlink@ the returned filename. | |
110 | * | |
111 | * On success, @code HTTP_STATUS_OK@ is returned for a new PPD file and | |
112 | * @code HTTP_STATUS_NOT_MODIFIED@ if the existing PPD file is up-to-date. Any other | |
113 | * status is an error. | |
114 | * | |
115 | * For classes, @code cupsGetPPD3@ returns the PPD file for the first printer | |
116 | * in the class. | |
117 | * | |
8072030b | 118 | * @since CUPS 1.4/macOS 10.6@ |
f787e1e3 MS |
119 | */ |
120 | ||
121 | http_status_t /* O - HTTP status */ | |
122 | cupsGetPPD3(http_t *http, /* I - HTTP connection or @code CUPS_HTTP_DEFAULT@ */ | |
123 | const char *name, /* I - Destination name */ | |
124 | time_t *modtime, /* IO - Modification time */ | |
125 | char *buffer, /* I - Filename buffer */ | |
126 | size_t bufsize) /* I - Size of filename buffer */ | |
127 | { | |
128 | int http_port; /* Port number */ | |
129 | char http_hostname[HTTP_MAX_HOST]; | |
130 | /* Hostname associated with connection */ | |
131 | http_t *http2; /* Alternate HTTP connection */ | |
132 | int fd; /* PPD file */ | |
133 | char localhost[HTTP_MAX_URI],/* Local hostname */ | |
134 | hostname[HTTP_MAX_URI], /* Hostname */ | |
135 | resource[HTTP_MAX_URI]; /* Resource name */ | |
136 | int port; /* Port number */ | |
137 | http_status_t status; /* HTTP status from server */ | |
138 | char tempfile[1024] = ""; /* Temporary filename */ | |
139 | _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ | |
140 | ||
141 | ||
142 | /* | |
143 | * Range check input... | |
144 | */ | |
145 | ||
146 | DEBUG_printf(("cupsGetPPD3(http=%p, name=\"%s\", modtime=%p(%d), buffer=%p, " | |
147 | "bufsize=%d)", http, name, modtime, | |
148 | modtime ? (int)*modtime : 0, buffer, (int)bufsize)); | |
149 | ||
150 | if (!name) | |
151 | { | |
152 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer name"), 1); | |
153 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
154 | } | |
155 | ||
156 | if (!modtime) | |
157 | { | |
158 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No modification time"), 1); | |
159 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
160 | } | |
161 | ||
162 | if (!buffer || bufsize <= 1) | |
163 | { | |
164 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad filename buffer"), 1); | |
165 | return (HTTP_STATUS_NOT_ACCEPTABLE); | |
166 | } | |
167 | ||
168 | #ifndef WIN32 | |
169 | /* | |
170 | * See if the PPD file is available locally... | |
171 | */ | |
172 | ||
173 | if (http) | |
174 | httpGetHostname(http, hostname, sizeof(hostname)); | |
175 | else | |
176 | { | |
177 | strlcpy(hostname, cupsServer(), sizeof(hostname)); | |
178 | if (hostname[0] == '/') | |
179 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
180 | } | |
181 | ||
182 | if (!_cups_strcasecmp(hostname, "localhost")) | |
183 | { | |
184 | char ppdname[1024]; /* PPD filename */ | |
185 | struct stat ppdinfo; /* PPD file information */ | |
186 | ||
187 | ||
188 | snprintf(ppdname, sizeof(ppdname), "%s/ppd/%s.ppd", cg->cups_serverroot, | |
189 | name); | |
190 | if (!stat(ppdname, &ppdinfo) && !access(ppdname, R_OK)) | |
191 | { | |
192 | /* | |
193 | * OK, the file exists and is readable, use it! | |
194 | */ | |
195 | ||
196 | if (buffer[0]) | |
197 | { | |
198 | unlink(buffer); | |
199 | ||
200 | if (symlink(ppdname, buffer) && errno != EEXIST) | |
201 | { | |
202 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
203 | ||
204 | return (HTTP_STATUS_SERVER_ERROR); | |
205 | } | |
206 | } | |
207 | else | |
208 | { | |
209 | int tries; /* Number of tries */ | |
210 | const char *tmpdir; /* TMPDIR environment variable */ | |
211 | struct timeval curtime; /* Current time */ | |
212 | ||
213 | /* | |
214 | * Previously we put root temporary files in the default CUPS temporary | |
215 | * directory under /var/spool/cups. However, since the scheduler cleans | |
216 | * out temporary files there and runs independently of the user apps, we | |
217 | * don't want to use it unless specifically told to by cupsd. | |
218 | */ | |
219 | ||
220 | if ((tmpdir = getenv("TMPDIR")) == NULL) | |
221 | # ifdef __APPLE__ | |
222 | tmpdir = "/private/tmp"; /* /tmp is a symlink to /private/tmp */ | |
223 | # else | |
224 | tmpdir = "/tmp"; | |
225 | # endif /* __APPLE__ */ | |
226 | ||
227 | /* | |
228 | * Make the temporary name using the specified directory... | |
229 | */ | |
230 | ||
231 | tries = 0; | |
232 | ||
233 | do | |
234 | { | |
235 | /* | |
236 | * Get the current time of day... | |
237 | */ | |
238 | ||
239 | gettimeofday(&curtime, NULL); | |
240 | ||
241 | /* | |
242 | * Format a string using the hex time values... | |
243 | */ | |
244 | ||
245 | snprintf(buffer, bufsize, "%s/%08lx%05lx", tmpdir, | |
246 | (unsigned long)curtime.tv_sec, | |
247 | (unsigned long)curtime.tv_usec); | |
248 | ||
249 | /* | |
250 | * Try to make a symlink... | |
251 | */ | |
252 | ||
253 | if (!symlink(ppdname, buffer)) | |
254 | break; | |
255 | ||
256 | tries ++; | |
257 | } | |
258 | while (tries < 1000); | |
259 | ||
260 | if (tries >= 1000) | |
261 | { | |
262 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
263 | ||
264 | return (HTTP_STATUS_SERVER_ERROR); | |
265 | } | |
266 | } | |
267 | ||
268 | if (*modtime >= ppdinfo.st_mtime) | |
269 | return (HTTP_STATUS_NOT_MODIFIED); | |
270 | else | |
271 | { | |
272 | *modtime = ppdinfo.st_mtime; | |
273 | return (HTTP_STATUS_OK); | |
274 | } | |
275 | } | |
276 | } | |
277 | #endif /* !WIN32 */ | |
278 | ||
279 | /* | |
280 | * Try finding a printer URI for this printer... | |
281 | */ | |
282 | ||
283 | if (!http) | |
284 | if ((http = _cupsConnect()) == NULL) | |
285 | return (HTTP_STATUS_SERVICE_UNAVAILABLE); | |
286 | ||
287 | if (!cups_get_printer_uri(http, name, hostname, sizeof(hostname), &port, | |
288 | resource, sizeof(resource), 0)) | |
289 | return (HTTP_STATUS_NOT_FOUND); | |
290 | ||
291 | DEBUG_printf(("2cupsGetPPD3: Printer hostname=\"%s\", port=%d", hostname, | |
292 | port)); | |
293 | ||
294 | if (cupsServer()[0] == '/' && !_cups_strcasecmp(hostname, "localhost") && port == ippPort()) | |
295 | { | |
296 | /* | |
297 | * Redirect localhost to domain socket... | |
298 | */ | |
299 | ||
300 | strlcpy(hostname, cupsServer(), sizeof(hostname)); | |
301 | port = 0; | |
302 | ||
303 | DEBUG_printf(("2cupsGetPPD3: Redirecting to \"%s\".", hostname)); | |
304 | } | |
305 | ||
306 | /* | |
307 | * Remap local hostname to localhost... | |
308 | */ | |
309 | ||
310 | httpGetHostname(NULL, localhost, sizeof(localhost)); | |
311 | ||
312 | DEBUG_printf(("2cupsGetPPD3: Local hostname=\"%s\"", localhost)); | |
313 | ||
314 | if (!_cups_strcasecmp(localhost, hostname)) | |
315 | strlcpy(hostname, "localhost", sizeof(hostname)); | |
316 | ||
317 | /* | |
318 | * Get the hostname and port number we are connected to... | |
319 | */ | |
320 | ||
321 | httpGetHostname(http, http_hostname, sizeof(http_hostname)); | |
322 | http_port = httpAddrPort(http->hostaddr); | |
323 | ||
324 | DEBUG_printf(("2cupsGetPPD3: Connection hostname=\"%s\", port=%d", | |
325 | http_hostname, http_port)); | |
326 | ||
327 | /* | |
328 | * Reconnect to the correct server as needed... | |
329 | */ | |
330 | ||
331 | if (!_cups_strcasecmp(http_hostname, hostname) && port == http_port) | |
332 | http2 = http; | |
333 | else if ((http2 = httpConnect2(hostname, port, NULL, AF_UNSPEC, | |
334 | cupsEncryption(), 1, 30000, NULL)) == NULL) | |
335 | { | |
336 | DEBUG_puts("1cupsGetPPD3: Unable to connect to server"); | |
337 | ||
338 | return (HTTP_STATUS_SERVICE_UNAVAILABLE); | |
339 | } | |
340 | ||
341 | /* | |
342 | * Get a temp file... | |
343 | */ | |
344 | ||
345 | if (buffer[0]) | |
346 | fd = open(buffer, O_CREAT | O_TRUNC | O_WRONLY, 0600); | |
347 | else | |
348 | fd = cupsTempFd(tempfile, sizeof(tempfile)); | |
349 | ||
350 | if (fd < 0) | |
351 | { | |
352 | /* | |
353 | * Can't open file; close the server connection and return NULL... | |
354 | */ | |
355 | ||
356 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
357 | ||
358 | if (http2 != http) | |
359 | httpClose(http2); | |
360 | ||
361 | return (HTTP_STATUS_SERVER_ERROR); | |
362 | } | |
363 | ||
364 | /* | |
365 | * And send a request to the HTTP server... | |
366 | */ | |
367 | ||
368 | strlcat(resource, ".ppd", sizeof(resource)); | |
369 | ||
370 | if (*modtime > 0) | |
371 | httpSetField(http2, HTTP_FIELD_IF_MODIFIED_SINCE, | |
372 | httpGetDateString(*modtime)); | |
373 | ||
374 | status = cupsGetFd(http2, resource, fd); | |
375 | ||
376 | close(fd); | |
377 | ||
378 | /* | |
379 | * See if we actually got the file or an error... | |
380 | */ | |
381 | ||
382 | if (status == HTTP_STATUS_OK) | |
383 | { | |
384 | *modtime = httpGetDateTime(httpGetField(http2, HTTP_FIELD_DATE)); | |
385 | ||
386 | if (tempfile[0]) | |
387 | strlcpy(buffer, tempfile, bufsize); | |
388 | } | |
389 | else if (status != HTTP_STATUS_NOT_MODIFIED) | |
390 | { | |
391 | _cupsSetHTTPError(status); | |
392 | ||
393 | if (buffer[0]) | |
394 | unlink(buffer); | |
395 | else if (tempfile[0]) | |
396 | unlink(tempfile); | |
397 | } | |
398 | else if (tempfile[0]) | |
399 | unlink(tempfile); | |
400 | ||
401 | if (http2 != http) | |
402 | httpClose(http2); | |
403 | ||
404 | /* | |
405 | * Return the PPD file... | |
406 | */ | |
407 | ||
408 | DEBUG_printf(("1cupsGetPPD3: Returning status %d", status)); | |
409 | ||
410 | return (status); | |
411 | } | |
412 | ||
413 | ||
414 | /* | |
415 | * 'cupsGetServerPPD()' - Get an available PPD file from the server. | |
416 | * | |
417 | * This function returns the named PPD file from the server. The | |
418 | * list of available PPDs is provided by the IPP @code CUPS_GET_PPDS@ | |
419 | * operation. | |
420 | * | |
421 | * You must remove (unlink) the PPD file when you are finished with | |
422 | * it. The PPD filename is stored in a static location that will be | |
423 | * overwritten on the next call to @link cupsGetPPD@, @link cupsGetPPD2@, | |
424 | * or @link cupsGetServerPPD@. | |
425 | * | |
8072030b | 426 | * @since CUPS 1.3/macOS 10.5@ |
f787e1e3 MS |
427 | */ |
428 | ||
429 | char * /* O - Name of PPD file or @code NULL@ on error */ | |
430 | cupsGetServerPPD(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ | |
431 | const char *name) /* I - Name of PPD file ("ppd-name") */ | |
432 | { | |
433 | int fd; /* PPD file descriptor */ | |
434 | ipp_t *request; /* IPP request */ | |
435 | _ppd_globals_t *pg = _ppdGlobals(); | |
436 | /* Pointer to library globals */ | |
437 | ||
438 | ||
439 | /* | |
440 | * Range check input... | |
441 | */ | |
442 | ||
443 | if (!name) | |
444 | { | |
445 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No PPD name"), 1); | |
446 | ||
447 | return (NULL); | |
448 | } | |
449 | ||
450 | if (!http) | |
451 | if ((http = _cupsConnect()) == NULL) | |
452 | return (NULL); | |
453 | ||
454 | /* | |
455 | * Get a temp file... | |
456 | */ | |
457 | ||
458 | if ((fd = cupsTempFd(pg->ppd_filename, sizeof(pg->ppd_filename))) < 0) | |
459 | { | |
460 | /* | |
461 | * Can't open file; close the server connection and return NULL... | |
462 | */ | |
463 | ||
464 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, NULL, 0); | |
465 | ||
466 | return (NULL); | |
467 | } | |
468 | ||
469 | /* | |
470 | * Get the PPD file... | |
471 | */ | |
472 | ||
473 | request = ippNewRequest(IPP_OP_CUPS_GET_PPD); | |
474 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "ppd-name", NULL, | |
475 | name); | |
476 | ||
477 | ippDelete(cupsDoIORequest(http, request, "/", -1, fd)); | |
478 | ||
479 | close(fd); | |
480 | ||
481 | if (cupsLastError() != IPP_STATUS_OK) | |
482 | { | |
483 | unlink(pg->ppd_filename); | |
484 | return (NULL); | |
485 | } | |
486 | else | |
487 | return (pg->ppd_filename); | |
488 | } | |
489 | ||
490 | ||
491 | /* | |
492 | * 'cups_get_printer_uri()' - Get the printer-uri-supported attribute for the | |
493 | * first printer in a class. | |
494 | */ | |
495 | ||
496 | static int /* O - 1 on success, 0 on failure */ | |
497 | cups_get_printer_uri( | |
498 | http_t *http, /* I - Connection to server */ | |
499 | const char *name, /* I - Name of printer or class */ | |
500 | char *host, /* I - Hostname buffer */ | |
501 | int hostsize, /* I - Size of hostname buffer */ | |
502 | int *port, /* O - Port number */ | |
503 | char *resource, /* I - Resource buffer */ | |
504 | int resourcesize, /* I - Size of resource buffer */ | |
505 | int depth) /* I - Depth of query */ | |
506 | { | |
507 | int i; /* Looping var */ | |
508 | int http_port; /* Port number */ | |
509 | http_t *http2; /* Alternate HTTP connection */ | |
510 | ipp_t *request, /* IPP request */ | |
511 | *response; /* IPP response */ | |
512 | ipp_attribute_t *attr; /* Current attribute */ | |
513 | char uri[HTTP_MAX_URI], /* printer-uri attribute */ | |
514 | scheme[HTTP_MAX_URI], /* Scheme name */ | |
515 | username[HTTP_MAX_URI], /* Username:password */ | |
516 | classname[255], /* Temporary class name */ | |
517 | http_hostname[HTTP_MAX_HOST]; | |
518 | /* Hostname associated with connection */ | |
519 | static const char * const requested_attrs[] = | |
520 | { /* Requested attributes */ | |
521 | "device-uri", | |
522 | "member-uris", | |
523 | "printer-uri-supported", | |
524 | "printer-type" | |
525 | }; | |
526 | ||
527 | ||
528 | 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)); | |
529 | ||
530 | /* | |
531 | * Setup the printer URI... | |
532 | */ | |
533 | ||
534 | if (httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, "localhost", 0, "/printers/%s", name) < HTTP_URI_STATUS_OK) | |
535 | { | |
536 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to create printer-uri"), 1); | |
537 | ||
538 | *host = '\0'; | |
539 | *resource = '\0'; | |
540 | ||
541 | return (0); | |
542 | } | |
543 | ||
544 | DEBUG_printf(("5cups_get_printer_uri: printer-uri=\"%s\"", uri)); | |
545 | ||
546 | /* | |
547 | * Get the hostname and port number we are connected to... | |
548 | */ | |
549 | ||
550 | httpGetHostname(http, http_hostname, sizeof(http_hostname)); | |
551 | http_port = httpAddrPort(http->hostaddr); | |
552 | ||
553 | DEBUG_printf(("5cups_get_printer_uri: http_hostname=\"%s\"", http_hostname)); | |
554 | ||
555 | /* | |
556 | * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the following | |
557 | * attributes: | |
558 | * | |
559 | * attributes-charset | |
560 | * attributes-natural-language | |
561 | * printer-uri | |
562 | * requested-attributes | |
563 | */ | |
564 | ||
565 | request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES); | |
566 | ||
567 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); | |
568 | ||
569 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", sizeof(requested_attrs) / sizeof(requested_attrs[0]), NULL, requested_attrs); | |
570 | ||
571 | /* | |
572 | * Do the request and get back a response... | |
573 | */ | |
574 | ||
575 | snprintf(resource, (size_t)resourcesize, "/printers/%s", name); | |
576 | ||
577 | if ((response = cupsDoRequest(http, request, resource)) != NULL) | |
578 | { | |
579 | const char *device_uri = NULL; /* device-uri value */ | |
580 | ||
581 | if ((attr = ippFindAttribute(response, "device-uri", IPP_TAG_URI)) != NULL) | |
582 | { | |
583 | device_uri = attr->values[0].string.text; | |
584 | DEBUG_printf(("5cups_get_printer_uri: device-uri=\"%s\"", device_uri)); | |
585 | } | |
586 | ||
587 | if (device_uri && | |
588 | (((!strncmp(device_uri, "ipp://", 6) || !strncmp(device_uri, "ipps://", 7)) && | |
589 | (strstr(device_uri, "/printers/") != NULL || strstr(device_uri, "/classes/") != NULL)) || | |
590 | ((strstr(device_uri, "._ipp.") != NULL || strstr(device_uri, "._ipps.") != NULL) && | |
591 | !strcmp(device_uri + strlen(device_uri) - 5, "/cups")))) | |
592 | { | |
593 | /* | |
594 | * Statically-configured shared printer. | |
595 | */ | |
596 | ||
597 | httpSeparateURI(HTTP_URI_CODING_ALL, _httpResolveURI(device_uri, uri, sizeof(uri), _HTTP_RESOLVE_DEFAULT, NULL, NULL), scheme, sizeof(scheme), username, sizeof(username), host, hostsize, port, resource, resourcesize); | |
598 | ippDelete(response); | |
599 | ||
600 | DEBUG_printf(("5cups_get_printer_uri: Resolved to host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource)); | |
601 | return (1); | |
602 | } | |
603 | else if ((attr = ippFindAttribute(response, "member-uris", IPP_TAG_URI)) != NULL) | |
604 | { | |
605 | /* | |
606 | * Get the first actual printer name in the class... | |
607 | */ | |
608 | ||
609 | DEBUG_printf(("5cups_get_printer_uri: Got member-uris with %d values.", ippGetCount(attr))); | |
610 | ||
611 | for (i = 0; i < attr->num_values; i ++) | |
612 | { | |
613 | DEBUG_printf(("5cups_get_printer_uri: member-uris[%d]=\"%s\"", i, ippGetString(attr, i, NULL))); | |
614 | ||
615 | httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text, scheme, sizeof(scheme), username, sizeof(username), host, hostsize, port, resource, resourcesize); | |
616 | if (!strncmp(resource, "/printers/", 10)) | |
617 | { | |
618 | /* | |
619 | * Found a printer! | |
620 | */ | |
621 | ||
622 | ippDelete(response); | |
623 | ||
624 | DEBUG_printf(("5cups_get_printer_uri: Found printer member with host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource)); | |
625 | return (1); | |
626 | } | |
627 | } | |
628 | ||
629 | /* | |
630 | * No printers in this class - try recursively looking for a printer, | |
631 | * but not more than 3 levels deep... | |
632 | */ | |
633 | ||
634 | if (depth < 3) | |
635 | { | |
636 | for (i = 0; i < attr->num_values; i ++) | |
637 | { | |
638 | httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text, | |
639 | scheme, sizeof(scheme), username, sizeof(username), | |
640 | host, hostsize, port, resource, resourcesize); | |
641 | if (!strncmp(resource, "/classes/", 9)) | |
642 | { | |
643 | /* | |
644 | * Found a class! Connect to the right server... | |
645 | */ | |
646 | ||
647 | if (!_cups_strcasecmp(http_hostname, host) && *port == http_port) | |
648 | http2 = http; | |
649 | else if ((http2 = httpConnect2(host, *port, NULL, AF_UNSPEC, cupsEncryption(), 1, 30000, NULL)) == NULL) | |
650 | { | |
651 | DEBUG_puts("8cups_get_printer_uri: Unable to connect to server"); | |
652 | ||
653 | continue; | |
654 | } | |
655 | ||
656 | /* | |
657 | * Look up printers on that server... | |
658 | */ | |
659 | ||
660 | strlcpy(classname, resource + 9, sizeof(classname)); | |
661 | ||
662 | cups_get_printer_uri(http2, classname, host, hostsize, port, | |
663 | resource, resourcesize, depth + 1); | |
664 | ||
665 | /* | |
666 | * Close the connection as needed... | |
667 | */ | |
668 | ||
669 | if (http2 != http) | |
670 | httpClose(http2); | |
671 | ||
672 | if (*host) | |
673 | return (1); | |
674 | } | |
675 | } | |
676 | } | |
677 | } | |
678 | else if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL) | |
679 | { | |
680 | 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); | |
681 | ippDelete(response); | |
682 | ||
683 | DEBUG_printf(("5cups_get_printer_uri: Resolved to host=\"%s\", port=%d, resource=\"%s\"", host, *port, resource)); | |
684 | ||
685 | if (!strncmp(resource, "/classes/", 9)) | |
686 | { | |
687 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer-uri found for class"), 1); | |
688 | ||
689 | *host = '\0'; | |
690 | *resource = '\0'; | |
691 | ||
692 | DEBUG_puts("5cups_get_printer_uri: Not returning class."); | |
693 | return (0); | |
694 | } | |
695 | ||
696 | return (1); | |
697 | } | |
698 | ||
699 | ippDelete(response); | |
700 | } | |
701 | ||
702 | if (cupsLastError() != IPP_STATUS_ERROR_NOT_FOUND) | |
703 | _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("No printer-uri found"), 1); | |
704 | ||
705 | *host = '\0'; | |
706 | *resource = '\0'; | |
707 | ||
708 | DEBUG_puts("5cups_get_printer_uri: Printer URI not found."); | |
709 | return (0); | |
710 | } |