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.
27 #include "printing/pcap.h"
28 #include "librpc/gen_ndr/ndr_printcap.h"
29 #include "lib/sys_rw.h"
32 #include <cups/cups.h>
33 #include <cups/language.h>
35 #if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5)
36 #define HAVE_CUPS_1_6 1
40 #define ippGetGroupTag(attr) attr->group_tag
41 #define ippGetName(attr) attr->name
42 #define ippGetValueTag(attr) attr->value_tag
43 #define ippGetStatusCode(ipp) ipp->request.status.status_code
44 #define ippGetInteger(attr, element) attr->values[element].integer
45 #define ippGetString(attr, element, language) attr->values[element].string.text
47 static ipp_attribute_t *
48 ippFirstAttribute(ipp_t *ipp)
52 return (ipp->current = ipp->attrs);
55 static ipp_attribute_t *
56 ippNextAttribute(ipp_t *ipp)
58 if (!ipp || !ipp->current)
60 return (ipp->current = ipp->current->next);
63 static int ippSetOperation(ipp_t *ipp, ipp_op_t op)
65 ipp->request.op.operation_id = op;
69 static int ippSetRequestId(ipp_t *ipp, int request_id)
71 ipp->request.any.request_id = request_id;
76 static SIG_ATOMIC_T gotalarm;
78 /***************************************************************
79 Signal function to tell us we timed out.
80 ****************************************************************/
82 static void gotalarm_sig(int signum)
87 extern userdom_struct current_user_info;
90 * 'cups_passwd_cb()' - The CUPS password callback...
93 static const char * /* O - Password or NULL */
94 cups_passwd_cb(const char *prompt) /* I - Prompt */
97 * Always return NULL to indicate that no password is available...
103 static http_t *cups_connect(TALLOC_CTX *frame)
106 char *server = NULL, *p = NULL;
108 int timeout = lp_cups_connection_timeout();
111 if (lp_cups_server(talloc_tos()) != NULL && strlen(lp_cups_server(talloc_tos())) > 0) {
112 if (!push_utf8_talloc(frame, &server, lp_cups_server(talloc_tos()), &size)) {
116 server = talloc_strdup(frame,cupsServer());
122 p = strchr(server, ':');
130 DEBUG(10, ("connecting to cups server %s:%d\n",
136 CatchSignal(SIGALRM, gotalarm_sig);
140 #ifdef HAVE_HTTPCONNECTENCRYPT
141 http = httpConnectEncrypt(server, port, lp_cups_encrypt());
143 http = httpConnect(server, port);
147 CatchSignal(SIGALRM, SIG_IGN);
151 DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n",
152 server, port, strerror(errno)));
158 static bool send_pcap_blob(DATA_BLOB *pcap_blob, int fd)
162 ret = sys_write(fd, &pcap_blob->length, sizeof(pcap_blob->length));
163 if (ret != sizeof(pcap_blob->length)) {
167 ret = sys_write(fd, pcap_blob->data, pcap_blob->length);
168 if (ret != pcap_blob->length) {
172 DEBUG(10, ("successfully sent blob of len %d\n", (int)ret));
176 static bool recv_pcap_blob(TALLOC_CTX *mem_ctx, int fd, DATA_BLOB *pcap_blob)
181 ret = sys_read(fd, &blob_len, sizeof(blob_len));
182 if (ret != sizeof(blob_len)) {
186 *pcap_blob = data_blob_talloc_named(mem_ctx, NULL, blob_len,
188 if (pcap_blob->length != blob_len) {
191 ret = sys_read(fd, pcap_blob->data, blob_len);
192 if (ret != blob_len) {
193 talloc_free(pcap_blob->data);
197 DEBUG(10, ("successfully recvd blob of len %d\n", (int)ret));
201 static bool process_cups_printers_response(TALLOC_CTX *mem_ctx,
203 struct pcap_data *pcap_data)
205 ipp_attribute_t *attr;
208 char *location = NULL;
209 struct pcap_printer *printer;
212 for (attr = ippFirstAttribute(response); attr != NULL;) {
214 * Skip leading attributes until we hit a printer...
217 while (attr != NULL && ippGetGroupTag(attr) != IPP_TAG_PRINTER)
218 attr = ippNextAttribute(response);
224 * Pull the needed attributes from this printer...
230 while (attr != NULL && ippGetGroupTag(attr) == IPP_TAG_PRINTER) {
232 if (strcmp(ippGetName(attr), "printer-name") == 0 &&
233 ippGetValueTag(attr) == IPP_TAG_NAME) {
234 if (!pull_utf8_talloc(mem_ctx,
236 ippGetString(attr, 0, NULL),
242 if (strcmp(ippGetName(attr), "printer-info") == 0 &&
243 ippGetValueTag(attr) == IPP_TAG_TEXT) {
244 if (!pull_utf8_talloc(mem_ctx,
246 ippGetString(attr, 0, NULL),
252 if (strcmp(ippGetName(attr), "printer-location") == 0 &&
253 ippGetValueTag(attr) == IPP_TAG_TEXT) {
254 if (!pull_utf8_talloc(mem_ctx,
256 ippGetString(attr, 0, NULL),
262 attr = ippNextAttribute(response);
266 * See if we have everything needed...
272 if (pcap_data->count == 0) {
273 printer = talloc_array(mem_ctx, struct pcap_printer, 1);
275 printer = talloc_realloc(mem_ctx, pcap_data->printers,
277 pcap_data->count + 1);
279 if (printer == NULL) {
282 pcap_data->printers = printer;
283 pcap_data->printers[pcap_data->count].name = name;
284 pcap_data->printers[pcap_data->count].info = info;
285 pcap_data->printers[pcap_data->count].location = location;
295 * request printer list from cups, send result back to up parent via fd.
296 * returns true if the (possibly failed) result was successfuly sent to parent.
298 static bool cups_cache_reload_async(int fd)
300 TALLOC_CTX *frame = talloc_stackframe();
301 struct pcap_data pcap_data;
302 http_t *http = NULL; /* HTTP connection to server */
303 ipp_t *request = NULL, /* IPP Request */
304 *response = NULL; /* IPP Response */
305 cups_lang_t *language = NULL; /* Default language */
306 static const char *requested[] =/* Requested attributes */
313 enum ndr_err_code ndr_ret;
316 ZERO_STRUCT(pcap_data);
317 pcap_data.status = NT_STATUS_UNSUCCESSFUL;
319 DEBUG(5, ("reloading cups printcap cache\n"));
322 * Make sure we don't ask for passwords...
325 cupsSetPasswordCB(cups_passwd_cb);
327 if ((http = cups_connect(frame)) == NULL) {
332 * Build a CUPS_GET_PRINTERS request, which requires the following
336 * attributes-natural-language
337 * requested-attributes
342 ippSetOperation(request, CUPS_GET_PRINTERS);
343 ippSetRequestId(request, 1);
345 language = cupsLangDefault();
347 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
348 "attributes-charset", NULL, "utf-8");
350 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
351 "attributes-natural-language", NULL, language->language);
353 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
354 "requested-attributes",
355 (sizeof(requested) / sizeof(requested[0])),
358 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
359 DEBUG(0,("Unable to get printer list - %s\n",
360 ippErrorString(cupsLastError())));
364 ret = process_cups_printers_response(frame, response, &pcap_data);
366 DEBUG(0,("failed to process cups response\n"));
374 * Build a CUPS_GET_CLASSES request, which requires the following
378 * attributes-natural-language
379 * requested-attributes
384 ippSetOperation(request, CUPS_GET_CLASSES);
385 ippSetRequestId(request, 1);
387 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
388 "attributes-charset", NULL, "utf-8");
390 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
391 "attributes-natural-language", NULL, language->language);
393 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
394 "requested-attributes",
395 (sizeof(requested) / sizeof(requested[0])),
398 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
399 DEBUG(0,("Unable to get printer list - %s\n",
400 ippErrorString(cupsLastError())));
404 ret = process_cups_printers_response(frame, response, &pcap_data);
406 DEBUG(0,("failed to process cups response\n"));
410 pcap_data.status = NT_STATUS_OK;
416 cupsLangFree(language);
422 ndr_ret = ndr_push_struct_blob(&pcap_blob, frame, &pcap_data,
423 (ndr_push_flags_fn_t)ndr_push_pcap_data);
424 if (ndr_ret == NDR_ERR_SUCCESS) {
425 ret = send_pcap_blob(&pcap_blob, fd);
432 static struct tevent_fd *cache_fd_event;
434 static bool cups_pcap_load_async(struct tevent_context *ev,
435 struct messaging_context *msg_ctx,
444 if (cache_fd_event) {
445 DEBUG(3,("cups_pcap_load_async: already waiting for "
446 "a refresh event\n" ));
450 DEBUG(5,("cups_pcap_load_async: asynchronously loading cups printers\n"));
452 if (pipe(fds) == -1) {
457 if (pid == (pid_t)-1) {
458 DEBUG(10,("cups_pcap_load_async: fork failed %s\n",
466 DEBUG(10,("cups_pcap_load_async: child pid = %u\n",
467 (unsigned int)pid ));
476 close_all_print_db();
478 status = reinit_after_fork(msg_ctx, ev, true);
479 if (!NT_STATUS_IS_OK(status)) {
480 DEBUG(0,("cups_pcap_load_async: reinit_after_fork() failed\n"));
481 smb_panic("cups_pcap_load_async: reinit_after_fork() failed");
485 cups_cache_reload_async(fds[1]);
487 TALLOC_FREE(msg_ctx);
491 struct cups_async_cb_args {
493 struct tevent_context *event_ctx;
494 struct messaging_context *msg_ctx;
495 void (*post_cache_fill_fn)(struct tevent_context *,
496 struct messaging_context *);
499 static void cups_async_callback(struct tevent_context *event_ctx,
500 struct tevent_fd *event,
504 TALLOC_CTX *frame = talloc_stackframe();
505 struct cups_async_cb_args *cb_args = (struct cups_async_cb_args *)p;
506 struct pcap_cache *tmp_pcap_cache = NULL;
508 struct pcap_data pcap_data;
510 enum ndr_err_code ndr_ret;
513 DEBUG(5,("cups_async_callback: callback received for printer data. "
514 "fd = %d\n", cb_args->pipe_fd));
516 ret_ok = recv_pcap_blob(frame, cb_args->pipe_fd, &pcap_blob);
518 DEBUG(0,("failed to recv pcap blob\n"));
522 ndr_ret = ndr_pull_struct_blob(&pcap_blob, frame, &pcap_data,
523 (ndr_pull_flags_fn_t)ndr_pull_pcap_data);
524 if (ndr_ret != NDR_ERR_SUCCESS) {
528 if (!NT_STATUS_IS_OK(pcap_data.status)) {
529 DEBUG(0,("failed to retrieve printer list: %s\n",
530 nt_errstr(pcap_data.status)));
534 for (i = 0; i < pcap_data.count; i++) {
535 ret_ok = pcap_cache_add_specific(&tmp_pcap_cache,
536 pcap_data.printers[i].name,
537 pcap_data.printers[i].info,
538 pcap_data.printers[i].location);
540 DEBUG(0, ("failed to add to tmp pcap cache\n"));
545 /* replace the system-wide pcap cache with a (possibly empty) new one */
546 ret_ok = pcap_cache_replace(tmp_pcap_cache);
548 DEBUG(0, ("failed to replace pcap cache\n"));
549 } else if (cb_args->post_cache_fill_fn != NULL) {
550 /* Caller requested post cache fill callback */
551 cb_args->post_cache_fill_fn(cb_args->event_ctx,
555 pcap_cache_destroy_specific(&tmp_pcap_cache);
557 close(cb_args->pipe_fd);
558 TALLOC_FREE(cb_args);
559 TALLOC_FREE(cache_fd_event);
562 bool cups_cache_reload(struct tevent_context *ev,
563 struct messaging_context *msg_ctx,
564 void (*post_cache_fill_fn)(struct tevent_context *,
565 struct messaging_context *))
567 struct cups_async_cb_args *cb_args;
570 cb_args = talloc(NULL, struct cups_async_cb_args);
571 if (cb_args == NULL) {
575 cb_args->post_cache_fill_fn = post_cache_fill_fn;
576 cb_args->event_ctx = ev;
577 cb_args->msg_ctx = msg_ctx;
578 p_pipe_fd = &cb_args->pipe_fd;
581 /* Set up an async refresh. */
582 if (!cups_pcap_load_async(ev, msg_ctx, p_pipe_fd)) {
583 talloc_free(cb_args);
587 DEBUG(10,("cups_cache_reload: async read on fd %d\n",
590 /* Trigger an event when the pipe can be read. */
591 cache_fd_event = tevent_add_fd(ev,
596 if (!cache_fd_event) {
598 TALLOC_FREE(cb_args);
606 * 'cups_job_delete()' - Delete a job.
609 static int cups_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob)
611 TALLOC_CTX *frame = talloc_stackframe();
612 int ret = 1; /* Return value */
613 http_t *http = NULL; /* HTTP connection to server */
614 ipp_t *request = NULL, /* IPP Request */
615 *response = NULL; /* IPP Response */
616 cups_lang_t *language = NULL; /* Default language */
618 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
621 DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob));
624 * Make sure we don't ask for passwords...
627 cupsSetPasswordCB(cups_passwd_cb);
630 * Try to connect to the server...
633 if ((http = cups_connect(frame)) == NULL) {
638 * Build an IPP_CANCEL_JOB request, which requires the following
642 * attributes-natural-language
644 * requesting-user-name
649 ippSetOperation(request, IPP_CANCEL_JOB);
650 ippSetRequestId(request, 1);
652 language = cupsLangDefault();
654 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
655 "attributes-charset", NULL, "utf-8");
657 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
658 "attributes-natural-language", NULL, language->language);
660 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
662 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
664 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
668 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
672 * Do the request and get back a response...
675 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
676 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
677 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
678 ippErrorString(cupsLastError())));
683 DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob,
684 ippErrorString(cupsLastError())));
692 cupsLangFree(language);
703 * 'cups_job_pause()' - Pause a job.
706 static int cups_job_pause(int snum, struct printjob *pjob)
708 TALLOC_CTX *frame = talloc_stackframe();
709 int ret = 1; /* Return value */
710 http_t *http = NULL; /* HTTP connection to server */
711 ipp_t *request = NULL, /* IPP Request */
712 *response = NULL; /* IPP Response */
713 cups_lang_t *language = NULL; /* Default language */
715 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
718 DEBUG(5,("cups_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
721 * Make sure we don't ask for passwords...
724 cupsSetPasswordCB(cups_passwd_cb);
727 * Try to connect to the server...
730 if ((http = cups_connect(frame)) == NULL) {
735 * Build an IPP_HOLD_JOB request, which requires the following
739 * attributes-natural-language
741 * requesting-user-name
746 ippSetOperation(request, IPP_HOLD_JOB);
747 ippSetRequestId(request, 1);
749 language = cupsLangDefault();
751 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
752 "attributes-charset", NULL, "utf-8");
754 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
755 "attributes-natural-language", NULL, language->language);
757 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
759 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
761 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
764 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
768 * Do the request and get back a response...
771 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
772 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
773 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
774 ippErrorString(cupsLastError())));
779 DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob,
780 ippErrorString(cupsLastError())));
788 cupsLangFree(language);
799 * 'cups_job_resume()' - Resume a paused job.
802 static int cups_job_resume(int snum, struct printjob *pjob)
804 TALLOC_CTX *frame = talloc_stackframe();
805 int ret = 1; /* Return value */
806 http_t *http = NULL; /* HTTP connection to server */
807 ipp_t *request = NULL, /* IPP Request */
808 *response = NULL; /* IPP Response */
809 cups_lang_t *language = NULL; /* Default language */
811 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
814 DEBUG(5,("cups_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob));
817 * Make sure we don't ask for passwords...
820 cupsSetPasswordCB(cups_passwd_cb);
823 * Try to connect to the server...
826 if ((http = cups_connect(frame)) == NULL) {
831 * Build an IPP_RELEASE_JOB request, which requires the following
835 * attributes-natural-language
837 * requesting-user-name
842 ippSetOperation(request, IPP_RELEASE_JOB);
843 ippSetRequestId(request, 1);
845 language = cupsLangDefault();
847 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
848 "attributes-charset", NULL, "utf-8");
850 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
851 "attributes-natural-language", NULL, language->language);
853 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob);
855 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri);
857 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
860 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
864 * Do the request and get back a response...
867 if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) {
868 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
869 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
870 ippErrorString(cupsLastError())));
875 DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob,
876 ippErrorString(cupsLastError())));
884 cupsLangFree(language);
895 * 'cups_job_submit()' - Submit a job for printing.
898 static int cups_job_submit(int snum, struct printjob *pjob,
899 enum printing_types printing_type,
902 TALLOC_CTX *frame = talloc_stackframe();
903 int ret = 1; /* Return value */
904 http_t *http = NULL; /* HTTP connection to server */
905 ipp_t *request = NULL, /* IPP Request */
906 *response = NULL; /* IPP Response */
907 ipp_attribute_t *attr_job_id = NULL; /* IPP Attribute "job-id" */
908 cups_lang_t *language = NULL; /* Default language */
909 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
910 char *new_jobname = NULL;
912 cups_option_t *options = NULL;
913 char *printername = NULL;
915 char *jobname = NULL;
916 char *cupsoptions = NULL;
917 char *filename = NULL;
920 DEBUG(5,("cups_job_submit(%d, %p)\n", snum, pjob));
923 * Make sure we don't ask for passwords...
926 cupsSetPasswordCB(cups_passwd_cb);
929 * Try to connect to the server...
932 if ((http = cups_connect(frame)) == NULL) {
937 * Build an IPP_PRINT_JOB request, which requires the following
941 * attributes-natural-language
943 * requesting-user-name
949 ippSetOperation(request, IPP_PRINT_JOB);
950 ippSetRequestId(request, 1);
952 language = cupsLangDefault();
954 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
955 "attributes-charset", NULL, "utf-8");
957 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
958 "attributes-natural-language", NULL, language->language);
960 if (!push_utf8_talloc(frame, &printername,
961 lp_printername(talloc_tos(), snum),
965 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
968 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
969 "printer-uri", NULL, uri);
971 if (!push_utf8_talloc(frame, &user, pjob->user, &size)) {
974 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
977 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
978 "job-originating-host-name", NULL,
979 pjob->clientmachine);
981 if (!push_utf8_talloc(frame, &jobname, pjob->jobname, &size)) {
984 new_jobname = talloc_asprintf(frame,
985 "%s%.8u %s", PRINT_SPOOL_PREFIX,
986 pjob->jobid, jobname);
987 if (new_jobname == NULL) {
991 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL,
995 * add any options defined in smb.conf
998 if (!push_utf8_talloc(frame, &cupsoptions,
999 lp_cups_options(talloc_tos(), snum), &size)) {
1004 num_options = cupsParseOptions(cupsoptions, num_options, &options);
1007 cupsEncodeOptions(request, num_options, options);
1010 * Do the request and get back a response...
1013 slprintf(uri, sizeof(uri) - 1, "/printers/%s", printername);
1015 if (!push_utf8_talloc(frame, &filename, pjob->filename, &size)) {
1018 if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) {
1019 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
1020 DEBUG(0,("Unable to print file to %s - %s\n",
1021 lp_printername(talloc_tos(), snum),
1022 ippErrorString(cupsLastError())));
1025 attr_job_id = ippFindAttribute(response, "job-id", IPP_TAG_INTEGER);
1027 pjob->sysjob = ippGetInteger(attr_job_id, 0);
1028 DEBUG(5,("cups_job_submit: job-id %d\n", pjob->sysjob));
1030 DEBUG(0,("Missing job-id attribute in IPP response"));
1034 DEBUG(0,("Unable to print file to `%s' - %s\n",
1035 lp_printername(talloc_tos(), snum),
1036 ippErrorString(cupsLastError())));
1040 unlink(pjob->filename);
1041 /* else print_job_end will do it for us */
1045 ippDelete(response);
1048 cupsLangFree(language);
1059 * 'cups_queue_get()' - Get all the jobs in the print queue.
1062 static int cups_queue_get(const char *sharename,
1063 enum printing_types printing_type,
1065 print_queue_struct **q,
1066 print_status_struct *status)
1068 TALLOC_CTX *frame = talloc_stackframe();
1069 char *printername = NULL;
1070 http_t *http = NULL; /* HTTP connection to server */
1071 ipp_t *request = NULL, /* IPP Request */
1072 *response = NULL; /* IPP Response */
1073 ipp_attribute_t *attr = NULL; /* Current attribute */
1074 cups_lang_t *language = NULL; /* Default language */
1075 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1076 int qcount = 0, /* Number of active queue entries */
1077 qalloc = 0; /* Number of queue entries allocated */
1078 print_queue_struct *queue = NULL, /* Queue entries */
1079 *temp; /* Temporary pointer for queue */
1080 char *user_name = NULL, /* job-originating-user-name attribute */
1081 *job_name = NULL; /* job-name attribute */
1082 int job_id; /* job-id attribute */
1083 int job_k_octets; /* job-k-octets attribute */
1084 time_t job_time; /* time-at-creation attribute */
1085 ipp_jstate_t job_status; /* job-status attribute */
1086 int job_priority; /* job-priority attribute */
1088 static const char *jattrs[] = /* Requested job attributes */
1093 "job-originating-user-name",
1098 static const char *pattrs[] = /* Requested printer attributes */
1101 "printer-state-message"
1106 /* HACK ALERT!!! The problem with support the 'printer name'
1107 option is that we key the tdb off the sharename. So we will
1108 overload the lpq_command string to pass in the printername
1109 (which is basically what we do for non-cups printers ... using
1110 the lpq_command to get the queue listing). */
1112 if (!push_utf8_talloc(frame, &printername, lpq_command, &size)) {
1115 DEBUG(5,("cups_queue_get(%s, %p, %p)\n", lpq_command, q, status));
1118 * Make sure we don't ask for passwords...
1121 cupsSetPasswordCB(cups_passwd_cb);
1124 * Try to connect to the server...
1127 if ((http = cups_connect(frame)) == NULL) {
1132 * Generate the printer URI...
1135 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", printername);
1138 * Build an IPP_GET_JOBS request, which requires the following
1141 * attributes-charset
1142 * attributes-natural-language
1143 * requested-attributes
1149 ippSetOperation(request, IPP_GET_JOBS);
1150 ippSetRequestId(request, 1);
1152 language = cupsLangDefault();
1154 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1155 "attributes-charset", NULL, "utf-8");
1157 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1158 "attributes-natural-language", NULL, language->language);
1160 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
1161 "requested-attributes",
1162 (sizeof(jattrs) / sizeof(jattrs[0])),
1165 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1166 "printer-uri", NULL, uri);
1169 * Do the request and get back a response...
1172 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
1173 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1174 ippErrorString(cupsLastError())));
1178 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
1179 DEBUG(0,("Unable to get jobs for %s - %s\n", uri,
1180 ippErrorString(ippGetStatusCode(response))));
1185 * Process the jobs...
1192 for (attr = ippFirstAttribute(response); attr != NULL; attr = ippNextAttribute(response)) {
1194 * Skip leading attributes until we hit a job...
1197 while (attr != NULL && ippGetGroupTag(attr) != IPP_TAG_JOB)
1198 attr = ippNextAttribute(response);
1204 * Allocate memory as needed...
1206 if (qcount >= qalloc) {
1209 queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc);
1211 if (queue == NULL) {
1212 DEBUG(0,("cups_queue_get: Not enough memory!"));
1218 temp = queue + qcount;
1219 memset(temp, 0, sizeof(print_queue_struct));
1222 * Pull the needed attributes from this job...
1227 job_status = IPP_JOB_PENDING;
1233 while (attr != NULL && ippGetGroupTag(attr) == IPP_TAG_JOB) {
1234 if (ippGetName(attr) == NULL) {
1235 attr = ippNextAttribute(response);
1239 if (strcmp(ippGetName(attr), "job-id") == 0 &&
1240 ippGetValueTag(attr) == IPP_TAG_INTEGER)
1241 job_id = ippGetInteger(attr, 0);
1243 if (strcmp(ippGetName(attr), "job-k-octets") == 0 &&
1244 ippGetValueTag(attr) == IPP_TAG_INTEGER)
1245 job_k_octets = ippGetInteger(attr, 0);
1247 if (strcmp(ippGetName(attr), "job-priority") == 0 &&
1248 ippGetValueTag(attr) == IPP_TAG_INTEGER)
1249 job_priority = ippGetInteger(attr, 0);
1251 if (strcmp(ippGetName(attr), "job-state") == 0 &&
1252 ippGetValueTag(attr) == IPP_TAG_ENUM)
1253 job_status = (ipp_jstate_t)ippGetInteger(attr, 0);
1255 if (strcmp(ippGetName(attr), "time-at-creation") == 0 &&
1256 ippGetValueTag(attr) == IPP_TAG_INTEGER)
1257 job_time = ippGetInteger(attr, 0);
1259 if (strcmp(ippGetName(attr), "job-name") == 0 &&
1260 ippGetValueTag(attr) == IPP_TAG_NAME) {
1261 if (!pull_utf8_talloc(frame,
1263 ippGetString(attr, 0, NULL),
1269 if (strcmp(ippGetName(attr), "job-originating-user-name") == 0 &&
1270 ippGetValueTag(attr) == IPP_TAG_NAME) {
1271 if (!pull_utf8_talloc(frame,
1273 ippGetString(attr, 0, NULL),
1279 attr = ippNextAttribute(response);
1283 * See if we have everything needed...
1286 if (user_name == NULL || job_name == NULL || job_id == 0) {
1293 temp->sysjob = job_id;
1294 temp->size = job_k_octets * 1024;
1295 temp->status = job_status == IPP_JOB_PENDING ? LPQ_QUEUED :
1296 job_status == IPP_JOB_STOPPED ? LPQ_PAUSED :
1297 job_status == IPP_JOB_HELD ? LPQ_PAUSED :
1299 temp->priority = job_priority;
1300 temp->time = job_time;
1301 strlcpy(temp->fs_user, user_name, sizeof(temp->fs_user));
1302 strlcpy(temp->fs_file, job_name, sizeof(temp->fs_file));
1310 ippDelete(response);
1314 * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
1315 * following attributes:
1317 * attributes-charset
1318 * attributes-natural-language
1319 * requested-attributes
1325 ippSetOperation(request, IPP_GET_PRINTER_ATTRIBUTES);
1326 ippSetRequestId(request, 1);
1328 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1329 "attributes-charset", NULL, "utf-8");
1331 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1332 "attributes-natural-language", NULL, language->language);
1334 ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME,
1335 "requested-attributes",
1336 (sizeof(pattrs) / sizeof(pattrs[0])),
1339 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI,
1340 "printer-uri", NULL, uri);
1343 * Do the request and get back a response...
1346 if ((response = cupsDoRequest(http, request, "/")) == NULL) {
1347 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
1348 ippErrorString(cupsLastError())));
1352 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
1353 DEBUG(0,("Unable to get printer status for %s - %s\n", printername,
1354 ippErrorString(ippGetStatusCode(response))));
1359 * Get the current printer status and convert it to the SAMBA values.
1362 if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) {
1363 if (ippGetInteger(attr, 0) == IPP_PRINTER_STOPPED)
1364 status->status = LPSTAT_STOPPED;
1366 status->status = LPSTAT_OK;
1369 if ((attr = ippFindAttribute(response, "printer-state-message",
1370 IPP_TAG_TEXT)) != NULL) {
1372 if (!pull_utf8_talloc(frame, &msg,
1373 ippGetString(attr, 0, NULL),
1379 fstrcpy(status->message, msg);
1385 * Return the job queue...
1391 ippDelete(response);
1394 cupsLangFree(language);
1405 * 'cups_queue_pause()' - Pause a print queue.
1408 static int cups_queue_pause(int snum)
1410 TALLOC_CTX *frame = talloc_stackframe();
1411 int ret = 1; /* Return value */
1412 http_t *http = NULL; /* HTTP connection to server */
1413 ipp_t *request = NULL, /* IPP Request */
1414 *response = NULL; /* IPP Response */
1415 cups_lang_t *language = NULL; /* Default language */
1416 char *printername = NULL;
1417 char *username = NULL;
1418 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1421 DEBUG(5,("cups_queue_pause(%d)\n", snum));
1424 * Make sure we don't ask for passwords...
1427 cupsSetPasswordCB(cups_passwd_cb);
1430 * Try to connect to the server...
1433 if ((http = cups_connect(frame)) == NULL) {
1438 * Build an IPP_PAUSE_PRINTER request, which requires the following
1441 * attributes-charset
1442 * attributes-natural-language
1444 * requesting-user-name
1449 ippSetOperation(request, IPP_PAUSE_PRINTER);
1450 ippSetRequestId(request, 1);
1452 language = cupsLangDefault();
1454 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1455 "attributes-charset", NULL, "utf-8");
1457 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1458 "attributes-natural-language", NULL, language->language);
1460 if (!push_utf8_talloc(frame, &printername,
1461 lp_printername(talloc_tos(), snum), &size)) {
1464 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
1467 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
1469 if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
1472 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
1476 * Do the request and get back a response...
1479 if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) {
1480 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
1481 DEBUG(0,("Unable to pause printer %s - %s\n",
1482 lp_printername(talloc_tos(), snum),
1483 ippErrorString(cupsLastError())));
1488 DEBUG(0,("Unable to pause printer %s - %s\n",
1489 lp_printername(talloc_tos(), snum),
1490 ippErrorString(cupsLastError())));
1495 ippDelete(response);
1498 cupsLangFree(language);
1509 * 'cups_queue_resume()' - Restart a print queue.
1512 static int cups_queue_resume(int snum)
1514 TALLOC_CTX *frame = talloc_stackframe();
1515 int ret = 1; /* Return value */
1516 http_t *http = NULL; /* HTTP connection to server */
1517 ipp_t *request = NULL, /* IPP Request */
1518 *response = NULL; /* IPP Response */
1519 cups_lang_t *language = NULL; /* Default language */
1520 char *printername = NULL;
1521 char *username = NULL;
1522 char uri[HTTP_MAX_URI]; /* printer-uri attribute */
1525 DEBUG(5,("cups_queue_resume(%d)\n", snum));
1528 * Make sure we don't ask for passwords...
1531 cupsSetPasswordCB(cups_passwd_cb);
1534 * Try to connect to the server...
1537 if ((http = cups_connect(frame)) == NULL) {
1542 * Build an IPP_RESUME_PRINTER request, which requires the following
1545 * attributes-charset
1546 * attributes-natural-language
1548 * requesting-user-name
1553 ippSetOperation(request, IPP_RESUME_PRINTER);
1554 ippSetRequestId(request, 1);
1556 language = cupsLangDefault();
1558 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET,
1559 "attributes-charset", NULL, "utf-8");
1561 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE,
1562 "attributes-natural-language", NULL, language->language);
1564 if (!push_utf8_talloc(frame, &printername, lp_printername(talloc_tos(), snum),
1568 slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s",
1571 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
1573 if (!push_utf8_talloc(frame, &username, current_user_info.unix_name, &size)) {
1576 ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
1580 * Do the request and get back a response...
1583 if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) {
1584 if (ippGetStatusCode(response) >= IPP_OK_CONFLICT) {
1585 DEBUG(0,("Unable to resume printer %s - %s\n",
1586 lp_printername(talloc_tos(), snum),
1587 ippErrorString(cupsLastError())));
1592 DEBUG(0,("Unable to resume printer %s - %s\n",
1593 lp_printername(talloc_tos(), snum),
1594 ippErrorString(cupsLastError())));
1599 ippDelete(response);
1602 cupsLangFree(language);
1611 /*******************************************************************
1612 * CUPS printing interface definitions...
1613 ******************************************************************/
1615 struct printif cups_printif =
1628 /* this keeps fussy compilers happy */
1629 void print_cups_dummy(void);
1630 void print_cups_dummy(void) {}
1631 #endif /* HAVE_CUPS */