2 * Support code for the Common UNIX Printing System ("CUPS")
4 * Copyright 1999-2003 by Michael R Sweet.
5 * Copyright 2008 Jeremy Allison.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 * JRA. Converted to utf8 pull/push.
29 #include <cups/cups.h>
30 #include <cups/language.h>
32 static SIG_ATOMIC_T gotalarm;
34 /***************************************************************
35 Signal function to tell us we timed out.
36 ****************************************************************/
38 static void gotalarm_sig(void)
43 extern userdom_struct current_user_info;
46 * 'cups_passwd_cb()' - The CUPS password callback...
49 static const char * /* O - Password or NULL */
50 cups_passwd_cb(const char *prompt) /* I - Prompt */
53 * Always return NULL to indicate that no password is available...
59 static http_t *cups_connect(TALLOC_CTX *frame)
62 char *server = NULL, *p = NULL;
64 int timeout = lp_cups_connection_timeout();
67 if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) {
68 if (!push_utf8_talloc(frame, &server, lp_cups_server(), &size)) {
72 server = talloc_strdup(frame,cupsServer());
78 p = strchr(server, ':');
86 DEBUG(10, ("connecting to cups server %s:%d\n",
92 CatchSignal(SIGALRM, SIGNAL_CAST gotalarm_sig);
96 http = httpConnect(server, port);
98 CatchSignal(SIGALRM, SIGNAL_CAST SIG_IGN);
102 DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n",
103 server, port, strerror(errno)));
109 static void send_pcap_info(const char *name, const char *info, void *pd)
112 size_t namelen = name ? strlen(name)+1 : 0;
113 size_t infolen = info ? strlen(info)+1 : 0;
115 DEBUG(11,("send_pcap_info: writing namelen %u\n", (unsigned int)namelen));
116 if (sys_write(fd, &namelen, sizeof(namelen)) != sizeof(namelen)) {
117 DEBUG(10,("send_pcap_info: namelen write failed %s\n",
121 DEBUG(11,("send_pcap_info: writing infolen %u\n", (unsigned int)infolen));
122 if (sys_write(fd, &infolen, sizeof(infolen)) != sizeof(infolen)) {
123 DEBUG(10,("send_pcap_info: infolen write failed %s\n",
128 DEBUG(11,("send_pcap_info: writing name %s\n", name));
129 if (sys_write(fd, name, namelen) != namelen) {
130 DEBUG(10,("send_pcap_info: name write failed %s\n",
136 DEBUG(11,("send_pcap_info: writing info %s\n", info));
137 if (sys_write(fd, info, infolen) != infolen) {
138 DEBUG(10,("send_pcap_info: info write failed %s\n",
145 static bool cups_cache_reload_async(int fd)
147 TALLOC_CTX *frame = talloc_stackframe();
148 struct pcap_cache *tmp_pcap_cache = NULL;
149 http_t *http = NULL; /* HTTP connection to server */
150 ipp_t *request = NULL, /* IPP Request */
151 *response = NULL; /* IPP Response */
152 ipp_attribute_t *attr; /* Current attribute */
153 cups_lang_t *language = NULL; /* Default language */
154 char *name, /* printer-name attribute */
155 *info; /* printer-info attribute */
156 static const char *requested[] =/* Requested attributes */
164 DEBUG(5, ("reloading cups printcap cache\n"));
167 * Make sure we don't ask for passwords...
170 cupsSetPasswordCB(cups_passwd_cb);
173 * Try to connect to the server...
176 if ((http = cups_connect(frame)) == NULL) {
181 * Build a CUPS_GET_PRINTERS request, which requires the following
185 * attributes-natural-language
186 * requested-attributes
191 request->request.op.operation_id = CUPS_GET_PRINTERS;
192 request->request.op.request_id = 1;
194 language = cupsLangDefault();
196 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
197 "attributes-charset", NULL, "utf-8");
199 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
200 "attributes-natural-language", NULL, language->language);
202 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
203 "requested-attributes",
204 (sizeof(requested) / sizeof(requested[0])),
208 * Do the request and get back a response...
211 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
212 DEBUG(0,("Unable to get printer list - %s\n",
213 ippErrorString(cupsLastError())));
217 for (attr = response->attrs; attr != NULL;) {
219 * Skip leading attributes until we hit a printer...
222 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
229 * Pull the needed attributes from this printer...
235 while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) {
236 if (strcmp(attr->name, "printer-name") == 0 &&
237 attr->value_tag == IPP_TAG_NAME) {
238 if (!pull_utf8_talloc(frame,
240 attr->values[0].string.text,
246 if (strcmp(attr->name, "printer-info") == 0 &&
247 attr->value_tag == IPP_TAG_TEXT) {
248 if (!pull_utf8_talloc(frame,
250 attr->values[0].string.text,
260 * See if we have everything needed...
266 if (!pcap_cache_add_specific(&tmp_pcap_cache, name, info)) {
275 * Build a CUPS_GET_CLASSES request, which requires the following
279 * attributes-natural-language
280 * requested-attributes
285 request->request.op.operation_id = CUPS_GET_CLASSES;
286 request->request.op.request_id = 1;
288 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
289 "attributes-charset", NULL, "utf-8");
291 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
292 "attributes-natural-language", NULL, language->language);
294 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
295 "requested-attributes",
296 (sizeof(requested) / sizeof(requested[0])),
300 * Do the request and get back a response...
303 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
304 DEBUG(0,("Unable to get printer list - %s\n",
305 ippErrorString(cupsLastError())));
309 for (attr = response->attrs; attr != NULL;) {
311 * Skip leading attributes until we hit a printer...
314 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
321 * Pull the needed attributes from this printer...
327 while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) {
328 if (strcmp(attr->name, "printer-name") == 0 &&
329 attr->value_tag == IPP_TAG_NAME) {
330 if (!pull_utf8_talloc(frame,
332 attr->values[0].string.text,
338 if (strcmp(attr->name, "printer-info") == 0 &&
339 attr->value_tag == IPP_TAG_TEXT) {
340 if (!pull_utf8_talloc(frame,
342 attr->values[0].string.text,
352 * See if we have everything needed...
358 if (!pcap_cache_add_specific(&tmp_pcap_cache, name, info)) {
370 cupsLangFree(language);
375 /* Send all the entries up the pipe. */
376 if (tmp_pcap_cache) {
377 pcap_printer_fn_specific(tmp_pcap_cache,
381 pcap_cache_destroy_specific(&tmp_pcap_cache);
387 static struct pcap_cache *local_pcap_copy;
388 struct fd_event *cache_fd_event;
390 static bool cups_pcap_load_async(int *pfd)
397 if (cache_fd_event) {
398 DEBUG(3,("cups_pcap_load_async: already waiting for "
399 "a refresh event\n" ));
403 DEBUG(5,("cups_pcap_load_async: asynchronously loading cups printers\n"));
405 if (pipe(fds) == -1) {
410 if (pid == (pid_t)-1) {
411 DEBUG(10,("cups_pcap_load_async: fork failed %s\n",
419 DEBUG(10,("cups_pcap_load_async: child pid = %u\n",
420 (unsigned int)pid ));
428 if (!reinit_after_fork(smbd_messaging_context(), true)) {
429 DEBUG(0,("cups_pcap_load_async: reinit_after_fork() failed\n"));
430 smb_panic("cups_pcap_load_async: reinit_after_fork() failed");
434 cups_cache_reload_async(fds[1]);
439 static void cups_async_callback(struct event_context *event_ctx,
440 struct fd_event *event,
444 TALLOC_CTX *frame = talloc_stackframe();
446 struct pcap_cache *tmp_pcap_cache = NULL;
448 DEBUG(5,("cups_async_callback: callback received for printer data. "
452 char *name = NULL, *info = NULL;
453 size_t namelen = 0, infolen = 0;
456 ret = sys_read(fd, &namelen, sizeof(namelen));
461 if (ret != sizeof(namelen)) {
462 DEBUG(10,("cups_async_callback: namelen read failed %d %s\n",
463 errno, strerror(errno)));
467 DEBUG(11,("cups_async_callback: read namelen %u\n",
468 (unsigned int)namelen));
470 ret = sys_read(fd, &infolen, sizeof(infolen));
475 if (ret != sizeof(infolen)) {
476 DEBUG(10,("cups_async_callback: infolen read failed %s\n",
481 DEBUG(11,("cups_async_callback: read infolen %u\n",
482 (unsigned int)infolen));
485 name = TALLOC_ARRAY(frame, char, namelen);
489 ret = sys_read(fd, name, namelen);
494 if (ret != namelen) {
495 DEBUG(10,("cups_async_callback: name read failed %s\n",
499 DEBUG(11,("cups_async_callback: read name %s\n",
505 info = TALLOC_ARRAY(frame, char, infolen);
509 ret = sys_read(fd, info, infolen);
514 if (ret != infolen) {
515 DEBUG(10,("cups_async_callback: info read failed %s\n",
519 DEBUG(11,("cups_async_callback: read info %s\n",
525 /* Add to our local pcap cache. */
526 pcap_cache_add_specific(&tmp_pcap_cache, name, info);
532 if (tmp_pcap_cache) {
533 /* We got a namelist, replace our local cache. */
534 pcap_cache_destroy_specific(&local_pcap_copy);
535 local_pcap_copy = tmp_pcap_cache;
537 /* And the systemwide pcap cache. */
538 pcap_cache_replace(local_pcap_copy);
540 DEBUG(2,("cups_async_callback: failed to read a new "
545 TALLOC_FREE(cache_fd_event);
548 bool cups_cache_reload(void)
550 int *p_pipe_fd = TALLOC_P(NULL, int);
558 /* Set up an async refresh. */
559 if (!cups_pcap_load_async(p_pipe_fd)) {
562 if (!local_pcap_copy) {
563 /* We have no local cache, wait directly for
564 * async refresh to complete.
566 DEBUG(10,("cups_cache_reload: sync read on fd %d\n",
569 cups_async_callback(smbd_event_context(),
573 if (!local_pcap_copy) {
577 /* Replace the system cache with our
579 pcap_cache_replace(local_pcap_copy);
581 DEBUG(10,("cups_cache_reload: async read on fd %d\n",
584 /* Trigger an event when the pipe can be read. */
585 cache_fd_event = event_add_fd(smbd_event_context(),
590 if (!cache_fd_event) {
592 TALLOC_FREE(p_pipe_fd);
600 * 'cups_job_delete()' - Delete a job.
603 static int cups_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob)
605 TALLOC_CTX *frame = talloc_stackframe();
606 int ret = 1; /* Return value */
607 http_t *http = NULL; /* HTTP connection to server */
608 ipp_t *request = NULL, /* IPP Request */
609 *response = NULL; /* IPP Response */
610 cups_lang_t *language = NULL; /* Default language */
612 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
615 DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob));
618 * Make sure we don't ask for passwords...
621 cupsSetPasswordCB(cups_passwd_cb);
624 * Try to connect to the server...
627 if ((http = cups_connect(frame)) == NULL) {
632 * Build an IPP_CANCEL_JOB request, which requires the following
636 * attributes-natural-language
638 * requesting-user-name
643 request->request.op.operation_id = IPP_CANCEL_JOB;
644 request->request.op.request_id = 1;
646 language = cupsLangDefault();
648 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
649 "attributes-charset", NULL, "utf-8");
651 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
652 "attributes-natural-language", NULL, language->language);
654 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
656 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
658 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
662 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
666 * Do the request and get back a response...
669 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
670 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
671 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
672 ippErrorString(cupsLastError())));
677 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
678 ippErrorString(cupsLastError())));
686 cupsLangFree(language);
697 * 'cups_job_pause()' - Pause a job.
700 static int cups_job_pause(int snum, struct printjob *pjob)
702 TALLOC_CTX *frame = talloc_stackframe();
703 int ret = 1; /* Return value */
704 http_t *http = NULL; /* HTTP connection to server */
705 ipp_t *request = NULL, /* IPP Request */
706 *response = NULL; /* IPP Response */
707 cups_lang_t *language = NULL; /* Default language */
709 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
712 DEBUG(5,("cups_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
715 * Make sure we don't ask for passwords...
718 cupsSetPasswordCB(cups_passwd_cb);
721 * Try to connect to the server...
724 if ((http = cups_connect(frame)) == NULL) {
729 * Build an IPP_HOLD_JOB request, which requires the following
733 * attributes-natural-language
735 * requesting-user-name
740 request->request.op.operation_id = IPP_HOLD_JOB;
741 request->request.op.request_id = 1;
743 language = cupsLangDefault();
745 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
746 "attributes-charset", NULL, "utf-8");
748 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
749 "attributes-natural-language", NULL, language->language);
751 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
753 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
755 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
758 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
762 * Do the request and get back a response...
765 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
766 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
767 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
768 ippErrorString(cupsLastError())));
773 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
774 ippErrorString(cupsLastError())));
782 cupsLangFree(language);
793 * 'cups_job_resume()' - Resume a paused job.
796 static int cups_job_resume(int snum, struct printjob *pjob)
798 TALLOC_CTX *frame = talloc_stackframe();
799 int ret = 1; /* Return value */
800 http_t *http = NULL; /* HTTP connection to server */
801 ipp_t *request = NULL, /* IPP Request */
802 *response = NULL; /* IPP Response */
803 cups_lang_t *language = NULL; /* Default language */
805 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
808 DEBUG(5,("cups_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
811 * Make sure we don't ask for passwords...
814 cupsSetPasswordCB(cups_passwd_cb);
817 * Try to connect to the server...
820 if ((http = cups_connect(frame)) == NULL) {
825 * Build an IPP_RELEASE_JOB request, which requires the following
829 * attributes-natural-language
831 * requesting-user-name
836 request->request.op.operation_id = IPP_RELEASE_JOB;
837 request->request.op.request_id = 1;
839 language = cupsLangDefault();
841 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
842 "attributes-charset", NULL, "utf-8");
844 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
845 "attributes-natural-language", NULL, language->language);
847 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
849 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
851 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
854 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
858 * Do the request and get back a response...
861 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
862 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
863 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
864 ippErrorString(cupsLastError())));
869 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
870 ippErrorString(cupsLastError())));
878 cupsLangFree(language);
889 * 'cups_job_submit()' - Submit a job for printing.
892 static int cups_job_submit(int snum, struct printjob *pjob)
894 TALLOC_CTX *frame = talloc_stackframe();
895 int ret = 1; /* Return value */
896 http_t *http = NULL; /* HTTP connection to server */
897 ipp_t *request = NULL, /* IPP Request */
898 *response = NULL; /* IPP Response */
899 cups_lang_t *language = NULL; /* Default language */
900 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
901 const char *clientname = NULL; /* hostname of client for job-originating-host attribute */
902 char *new_jobname = NULL;
904 cups_option_t *options = NULL;
905 char *printername = NULL;
907 char *jobname = NULL;
908 char *cupsoptions = NULL;
909 char *filename = NULL;
911 char addr[INET6_ADDRSTRLEN];
913 DEBUG(5,("cups_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
916 * Make sure we don't ask for passwords...
919 cupsSetPasswordCB(cups_passwd_cb);
922 * Try to connect to the server...
925 if ((http = cups_connect(frame)) == NULL) {
930 * Build an IPP_PRINT_JOB request, which requires the following
934 * attributes-natural-language
936 * requesting-user-name
942 request->request.op.operation_id = IPP_PRINT_JOB;
943 request->request.op.request_id = 1;
945 language = cupsLangDefault();
947 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
948 "attributes-charset", NULL, "utf-8");
950 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
951 "attributes-natural-language", NULL, language->language);
953 if (!push_utf8_talloc(frame, &printername, PRINTERNAME(snum), &size)) {
956 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
959 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
960 "printer-uri", NULL, uri);
962 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
965 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
968 clientname = client_name(get_client_fd());
969 if (strcmp(clientname, "UNKNOWN") == 0) {
970 clientname = client_addr(get_client_fd(),addr,sizeof(addr));
973 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
974 "job-originating-host-name", NULL,
977 if (!push_utf8_talloc(frame, &jobname, pjob->jobname, &size)) {
980 new_jobname = talloc_asprintf(frame,
981 "%s%.8u %s", PRINT_SPOOL_PREFIX,
982 (unsigned int)pjob->smbjob,
984 if (new_jobname == NULL) {
988 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
992 * add any options defined in smb.conf
995 if (!push_utf8_talloc(frame, &cupsoptions, lp_cups_options(snum), &size)) {
1000 num_options = cupsParseOptions(cupsoptions, num_options, &options);
1003 cupsEncodeOptions(request, num_options, options);
1006 * Do the request and get back a response...
1009 slprintf(uri, sizeof(uri) - 1, "/printers/%s", printername);
1011 if (!push_utf8_talloc(frame, &filename, pjob->filename, &size)) {
1014 if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) {
1015 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1016 DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum),
1017 ippErrorString(cupsLastError())));
1022 DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum),
1023 ippErrorString(cupsLastError())));
1027 unlink(pjob->filename);
1028 /* else print_job_end will do it for us */
1032 ippDelete(response);
1035 cupsLangFree(language);
1046 * 'cups_queue_get()' - Get all the jobs in the print queue.
1049 static int cups_queue_get(const char *sharename,
1050 enum printing_types printing_type,
1052 print_queue_struct **q,
1053 print_status_struct *status)
1055 TALLOC_CTX *frame = talloc_stackframe();
1056 char *printername = NULL;
1057 http_t *http = NULL; /* HTTP connection to server */
1058 ipp_t *request = NULL, /* IPP Request */
1059 *response = NULL; /* IPP Response */
1060 ipp_attribute_t *attr = NULL; /* Current attribute */
1061 cups_lang_t *language = NULL; /* Default language */
1062 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1063 int qcount = 0, /* Number of active queue entries */
1064 qalloc = 0; /* Number of queue entries allocated */
1065 print_queue_struct *queue = NULL, /* Queue entries */
1066 *temp; /* Temporary pointer for queue */
1067 char *user_name = NULL, /* job-originating-user-name attribute */
1068 *job_name = NULL; /* job-name attribute */
1069 int job_id; /* job-id attribute */
1070 int job_k_octets; /* job-k-octets attribute */
1071 time_t job_time; /* time-at-creation attribute */
1072 ipp_jstate_t job_status; /* job-status attribute */
1073 int job_priority; /* job-priority attribute */
1075 static const char *jattrs[] = /* Requested job attributes */
1080 "job-originating-user-name",
1085 static const char *pattrs[] = /* Requested printer attributes */
1088 "printer-state-message"
1093 /* HACK ALERT!!! The problem with support the 'printer name'
1094 option is that we key the tdb off the sharename. So we will
1095 overload the lpq_command string to pass in the printername
1096 (which is basically what we do for non-cups printers ... using
1097 the lpq_command to get the queue listing). */
1099 if (!push_utf8_talloc(frame, &printername, lpq_command, &size)) {
1102 DEBUG(5,("cups_queue_get(%s, %p, %p)\n", lpq_command, q, status));
1105 * Make sure we don't ask for passwords...
1108 cupsSetPasswordCB(cups_passwd_cb);
1111 * Try to connect to the server...
1114 if ((http = cups_connect(frame)) == NULL) {
1119 * Generate the printer URI...
1122 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", printername);
1125 * Build an IPP_GET_JOBS request, which requires the following
1128 * attributes-charset
1129 * attributes-natural-language
1130 * requested-attributes
1136 request->request.op.operation_id = IPP_GET_JOBS;
1137 request->request.op.request_id = 1;
1139 language = cupsLangDefault();
1141 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1142 "attributes-charset", NULL, "utf-8");
1144 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1145 "attributes-natural-language", NULL, language->language);
1147 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1148 "requested-attributes",
1149 (sizeof(jattrs) / sizeof(jattrs[0])),
1152 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1153 "printer-uri", NULL, uri);
1156 * Do the request and get back a response...
1159 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
1160 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1161 ippErrorString(cupsLastError())));
1165 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1166 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1167 ippErrorString(response->request.status.status_code)));
1172 * Process the jobs...
1179 for (attr = response->attrs; attr != NULL; attr = attr->next) {
1181 * Skip leading attributes until we hit a job...
1184 while (attr != NULL && attr->group_tag != IPP_TAG_JOB)
1191 * Allocate memory as needed...
1193 if (qcount >= qalloc) {
1196 queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc);
1198 if (queue == NULL) {
1199 DEBUG(0,("cups_queue_get: Not enough memory!"));
1205 temp = queue + qcount;
1206 memset(temp, 0, sizeof(print_queue_struct));
1209 * Pull the needed attributes from this job...
1214 job_status = IPP_JOB_PENDING;
1220 while (attr != NULL && attr->group_tag == IPP_TAG_JOB) {
1221 if (attr->name == NULL) {
1226 if (strcmp(attr->name, "job-id") == 0 &&
1227 attr->value_tag == IPP_TAG_INTEGER)
1228 job_id = attr->values[0].integer;
1230 if (strcmp(attr->name, "job-k-octets") == 0 &&
1231 attr->value_tag == IPP_TAG_INTEGER)
1232 job_k_octets = attr->values[0].integer;
1234 if (strcmp(attr->name, "job-priority") == 0 &&
1235 attr->value_tag == IPP_TAG_INTEGER)
1236 job_priority = attr->values[0].integer;
1238 if (strcmp(attr->name, "job-state") == 0 &&
1239 attr->value_tag == IPP_TAG_ENUM)
1240 job_status = (ipp_jstate_t)(attr->values[0].integer);
1242 if (strcmp(attr->name, "time-at-creation") == 0 &&
1243 attr->value_tag == IPP_TAG_INTEGER)
1244 job_time = attr->values[0].integer;
1246 if (strcmp(attr->name, "job-name") == 0 &&
1247 attr->value_tag == IPP_TAG_NAME) {
1248 if (!pull_utf8_talloc(frame,
1250 attr->values[0].string.text,
1256 if (strcmp(attr->name, "job-originating-user-name") == 0 &&
1257 attr->value_tag == IPP_TAG_NAME) {
1258 if (!pull_utf8_talloc(frame,
1260 attr->values[0].string.text,
1270 * See if we have everything needed...
1273 if (user_name == NULL || job_name == NULL || job_id == 0) {
1281 temp->size = job_k_octets * 1024;
1282 temp->status = job_status == IPP_JOB_PENDING ? LPQ_QUEUED :
1283 job_status == IPP_JOB_STOPPED ? LPQ_PAUSED :
1284 job_status == IPP_JOB_HELD ? LPQ_PAUSED :
1286 temp->priority = job_priority;
1287 temp->time = job_time;
1288 strlcpy(temp->fs_user, user_name, sizeof(temp->fs_user));
1289 strlcpy(temp->fs_file, job_name, sizeof(temp->fs_file));
1297 ippDelete(response);
1301 * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
1302 * following attributes:
1304 * attributes-charset
1305 * attributes-natural-language
1306 * requested-attributes
1312 request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
1313 request->request.op.request_id = 1;
1315 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1316 "attributes-charset", NULL, "utf-8");
1318 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1319 "attributes-natural-language", NULL, language->language);
1321 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1322 "requested-attributes",
1323 (sizeof(pattrs) / sizeof(pattrs[0])),
1326 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1327 "printer-uri", NULL, uri);
1330 * Do the request and get back a response...
1333 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
1334 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
1335 ippErrorString(cupsLastError())));
1340 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1341 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
1342 ippErrorString(response->request.status.status_code)));
1348 * Get the current printer status and convert it to the SAMBA values.
1351 if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) {
1352 if (attr->values[0].integer == IPP_PRINTER_STOPPED)
1353 status->status = LPSTAT_STOPPED;
1355 status->status = LPSTAT_OK;
1358 if ((attr = ippFindAttribute(response, "printer-state-message",
1359 IPP_TAG_TEXT)) != NULL) {
1361 if (!pull_utf8_talloc(frame, &msg,
1362 attr->values[0].string.text,
1366 fstrcpy(status->message, msg);
1370 * Return the job queue...
1377 ippDelete(response);
1380 cupsLangFree(language);
1391 * 'cups_queue_pause()' - Pause a print queue.
1394 static int cups_queue_pause(int snum)
1396 TALLOC_CTX *frame = talloc_stackframe();
1397 int ret = 1; /* Return value */
1398 http_t *http = NULL; /* HTTP connection to server */
1399 ipp_t *request = NULL, /* IPP Request */
1400 *response = NULL; /* IPP Response */
1401 cups_lang_t *language = NULL; /* Default language */
1402 char *printername = NULL;
1403 char *username = NULL;
1404 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1407 DEBUG(5,("cups_queue_pause(%d)\n", snum));
1410 * Make sure we don't ask for passwords...
1413 cupsSetPasswordCB(cups_passwd_cb);
1416 * Try to connect to the server...
1419 if ((http = cups_connect(frame)) == NULL) {
1424 * Build an IPP_PAUSE_PRINTER request, which requires the following
1427 * attributes-charset
1428 * attributes-natural-language
1430 * requesting-user-name
1435 request->request.op.operation_id = IPP_PAUSE_PRINTER;
1436 request->request.op.request_id = 1;
1438 language = cupsLangDefault();
1440 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1441 "attributes-charset", NULL, "utf-8");
1443 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1444 "attributes-natural-language", NULL, language->language);
1446 if (!push_utf8_talloc(frame, &printername, PRINTERNAME(snum), &size)) {
1449 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
1452 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
1454 if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
1457 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
1461 * Do the request and get back a response...
1464 if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) {
1465 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1466 DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum),
1467 ippErrorString(cupsLastError())));
1472 DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum),
1473 ippErrorString(cupsLastError())));
1478 ippDelete(response);
1481 cupsLangFree(language);
1492 * 'cups_queue_resume()' - Restart a print queue.
1495 static int cups_queue_resume(int snum)
1497 TALLOC_CTX *frame = talloc_stackframe();
1498 int ret = 1; /* Return value */
1499 http_t *http = NULL; /* HTTP connection to server */
1500 ipp_t *request = NULL, /* IPP Request */
1501 *response = NULL; /* IPP Response */
1502 cups_lang_t *language = NULL; /* Default language */
1503 char *printername = NULL;
1504 char *username = NULL;
1505 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1508 DEBUG(5,("cups_queue_resume(%d)\n", snum));
1511 * Make sure we don't ask for passwords...
1514 cupsSetPasswordCB(cups_passwd_cb);
1517 * Try to connect to the server...
1520 if ((http = cups_connect(frame)) == NULL) {
1525 * Build an IPP_RESUME_PRINTER request, which requires the following
1528 * attributes-charset
1529 * attributes-natural-language
1531 * requesting-user-name
1536 request->request.op.operation_id = IPP_RESUME_PRINTER;
1537 request->request.op.request_id = 1;
1539 language = cupsLangDefault();
1541 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1542 "attributes-charset", NULL, "utf-8");
1544 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1545 "attributes-natural-language", NULL, language->language);
1547 if (!push_utf8_talloc(frame, &printername, PRINTERNAME(snum), &size)) {
1550 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
1553 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
1555 if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
1558 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
1562 * Do the request and get back a response...
1565 if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) {
1566 if (response->request.status.status_code >= IPP_OK_CONFLICT) {
1567 DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum),
1568 ippErrorString(cupsLastError())));
1573 DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum),
1574 ippErrorString(cupsLastError())));
1579 ippDelete(response);
1582 cupsLangFree(language);
1591 /*******************************************************************
1592 * CUPS printing interface definitions...
1593 ******************************************************************/
1595 struct printif cups_printif =
1607 bool cups_pull_comment_location(NT_PRINTER_INFO_LEVEL_2 *printer)
1609 TALLOC_CTX *frame = talloc_stackframe();
1610 http_t *http = NULL; /* HTTP connection to server */
1611 ipp_t *request = NULL, /* IPP Request */
1612 *response = NULL; /* IPP Response */
1613 ipp_attribute_t *attr; /* Current attribute */
1614 cups_lang_t *language = NULL; /* Default language */
1615 char uri[HTTP_MAX_URI];
1616 char *server = NULL;
1617 char *sharename = NULL;
1619 static const char *requested[] =/* Requested attributes */
1628 DEBUG(5, ("pulling %s location\n", printer->sharename));
1631 * Make sure we don't ask for passwords...
1634 cupsSetPasswordCB(cups_passwd_cb);
1637 * Try to connect to the server...
1640 if ((http = cups_connect(frame)) == NULL) {
1646 request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES;
1647 request->request.op.request_id = 1;
1649 language = cupsLangDefault();
1651 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1652 "attributes-charset", NULL, "utf-8");
1654 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1655 "attributes-natural-language", NULL, language->language);
1657 if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) {
1658 if (!push_utf8_talloc(frame, &server, lp_cups_server(), &size)) {
1662 server = talloc_strdup(frame,cupsServer());
1667 if (!push_utf8_talloc(frame, &sharename, printer->sharename, &size)) {
1670 slprintf(uri, sizeof(uri) - 1, "ipp://%s/printers/%s",
1673 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1674 "printer-uri", NULL, uri);
1676 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1677 "requested-attributes",
1678 (sizeof(requested) / sizeof(requested[0])),
1682 * Do the request and get back a response...
1685 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
1686 DEBUG(0,("Unable to get printer attributes - %s\n",
1687 ippErrorString(cupsLastError())));
1691 for (attr = response->attrs; attr != NULL;) {
1693 * Skip leading attributes until we hit a printer...
1696 while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER)
1703 * Pull the needed attributes from this printer...
1706 while ( attr && (attr->group_tag == IPP_TAG_PRINTER) ) {
1707 if (strcmp(attr->name, "printer-name") == 0 &&
1708 attr->value_tag == IPP_TAG_NAME) {
1709 if (!pull_utf8_talloc(frame,
1711 attr->values[0].string.text,
1717 /* Grab the comment if we don't have one */
1718 if ( (strcmp(attr->name, "printer-info") == 0)
1719 && (attr->value_tag == IPP_TAG_TEXT)
1720 && !strlen(printer->comment) )
1722 char *comment = NULL;
1723 if (!pull_utf8_talloc(frame,
1725 attr->values[0].string.text,
1729 DEBUG(5,("cups_pull_comment_location: Using cups comment: %s\n",
1731 strlcpy(printer->comment,
1733 sizeof(printer->comment));
1736 /* Grab the location if we don't have one */
1737 if ( (strcmp(attr->name, "printer-location") == 0)
1738 && (attr->value_tag == IPP_TAG_TEXT)
1739 && !strlen(printer->location) )
1741 char *location = NULL;
1742 if (!pull_utf8_talloc(frame,
1744 attr->values[0].string.text,
1748 DEBUG(5,("cups_pull_comment_location: Using cups location: %s\n",
1750 strlcpy(printer->location,
1752 sizeof(printer->location));
1759 * We have everything needed...
1770 ippDelete(response);
1773 cupsLangFree(language);
1783 /* this keeps fussy compilers happy */
1784 void print_cups_dummy(void);
1785 void print_cups_dummy(void) {}
1786 #endif /* HAVE_CUPS */