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 close_all_print_db();
430 if (!reinit_after_fork(smbd_messaging_context(),
431 smbd_event_context(), true)) {
432 DEBUG(0,("cups_pcap_load_async: reinit_after_fork() failed\n"));
433 smb_panic("cups_pcap_load_async: reinit_after_fork() failed");
437 cups_cache_reload_async(fds
[1]);
442 static void cups_async_callback(struct event_context
*event_ctx
,
443 struct fd_event
*event
,
447 TALLOC_CTX
*frame
= talloc_stackframe();
449 struct pcap_cache
*tmp_pcap_cache
= NULL
;
451 DEBUG(5,("cups_async_callback: callback received for printer data. "
455 char *name
= NULL
, *info
= NULL
;
456 size_t namelen
= 0, infolen
= 0;
459 ret
= sys_read(fd
, &namelen
, sizeof(namelen
));
464 if (ret
!= sizeof(namelen
)) {
465 DEBUG(10,("cups_async_callback: namelen read failed %d %s\n",
466 errno
, strerror(errno
)));
470 DEBUG(11,("cups_async_callback: read namelen %u\n",
471 (unsigned int)namelen
));
473 ret
= sys_read(fd
, &infolen
, sizeof(infolen
));
478 if (ret
!= sizeof(infolen
)) {
479 DEBUG(10,("cups_async_callback: infolen read failed %s\n",
484 DEBUG(11,("cups_async_callback: read infolen %u\n",
485 (unsigned int)infolen
));
488 name
= TALLOC_ARRAY(frame
, char, namelen
);
492 ret
= sys_read(fd
, name
, namelen
);
497 if (ret
!= namelen
) {
498 DEBUG(10,("cups_async_callback: name read failed %s\n",
502 DEBUG(11,("cups_async_callback: read name %s\n",
508 info
= TALLOC_ARRAY(frame
, char, infolen
);
512 ret
= sys_read(fd
, info
, infolen
);
517 if (ret
!= infolen
) {
518 DEBUG(10,("cups_async_callback: info read failed %s\n",
522 DEBUG(11,("cups_async_callback: read info %s\n",
528 /* Add to our local pcap cache. */
529 pcap_cache_add_specific(&tmp_pcap_cache
, name
, info
);
535 if (tmp_pcap_cache
) {
536 /* We got a namelist, replace our local cache. */
537 pcap_cache_destroy_specific(&local_pcap_copy
);
538 local_pcap_copy
= tmp_pcap_cache
;
540 /* And the systemwide pcap cache. */
541 pcap_cache_replace(local_pcap_copy
);
543 DEBUG(2,("cups_async_callback: failed to read a new "
548 TALLOC_FREE(cache_fd_event
);
551 bool cups_cache_reload(void)
553 int *p_pipe_fd
= TALLOC_P(NULL
, int);
561 /* Set up an async refresh. */
562 if (!cups_pcap_load_async(p_pipe_fd
)) {
565 if (!local_pcap_copy
) {
566 /* We have no local cache, wait directly for
567 * async refresh to complete.
569 DEBUG(10,("cups_cache_reload: sync read on fd %d\n",
572 cups_async_callback(smbd_event_context(),
576 if (!local_pcap_copy
) {
580 /* Replace the system cache with our
582 pcap_cache_replace(local_pcap_copy
);
584 DEBUG(10,("cups_cache_reload: async read on fd %d\n",
587 /* Trigger an event when the pipe can be read. */
588 cache_fd_event
= event_add_fd(smbd_event_context(),
593 if (!cache_fd_event
) {
595 TALLOC_FREE(p_pipe_fd
);
603 * 'cups_job_delete()' - Delete a job.
606 static int cups_job_delete(const char *sharename
, const char *lprm_command
, struct printjob
*pjob
)
608 TALLOC_CTX
*frame
= talloc_stackframe();
609 int ret
= 1; /* Return value */
610 http_t
*http
= NULL
; /* HTTP connection to server */
611 ipp_t
*request
= NULL
, /* IPP Request */
612 *response
= NULL
; /* IPP Response */
613 cups_lang_t
*language
= NULL
; /* Default language */
615 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
618 DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename
, pjob
, pjob
->sysjob
));
621 * Make sure we don't ask for passwords...
624 cupsSetPasswordCB(cups_passwd_cb
);
627 * Try to connect to the server...
630 if ((http
= cups_connect(frame
)) == NULL
) {
635 * Build an IPP_CANCEL_JOB request, which requires the following
639 * attributes-natural-language
641 * requesting-user-name
646 request
->request
.op
.operation_id
= IPP_CANCEL_JOB
;
647 request
->request
.op
.request_id
= 1;
649 language
= cupsLangDefault();
651 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
652 "attributes-charset", NULL
, "utf-8");
654 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
655 "attributes-natural-language", NULL
, language
->language
);
657 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/jobs/%d", pjob
->sysjob
);
659 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "job-uri", NULL
, uri
);
661 if (!push_utf8_talloc(frame
, &user
, pjob
->user
, &size
)) {
665 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
669 * Do the request and get back a response...
672 if ((response
= cupsDoRequest(http
, request
, "/jobs")) != NULL
) {
673 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
674 DEBUG(0,("Unable to cancel job %d - %s\n", pjob
->sysjob
,
675 ippErrorString(cupsLastError())));
680 DEBUG(0,("Unable to cancel job %d - %s\n", pjob
->sysjob
,
681 ippErrorString(cupsLastError())));
689 cupsLangFree(language
);
700 * 'cups_job_pause()' - Pause a job.
703 static int cups_job_pause(int snum
, struct printjob
*pjob
)
705 TALLOC_CTX
*frame
= talloc_stackframe();
706 int ret
= 1; /* Return value */
707 http_t
*http
= NULL
; /* HTTP connection to server */
708 ipp_t
*request
= NULL
, /* IPP Request */
709 *response
= NULL
; /* IPP Response */
710 cups_lang_t
*language
= NULL
; /* Default language */
712 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
715 DEBUG(5,("cups_job_pause(%d, %p (%d))\n", snum
, pjob
, pjob
->sysjob
));
718 * Make sure we don't ask for passwords...
721 cupsSetPasswordCB(cups_passwd_cb
);
724 * Try to connect to the server...
727 if ((http
= cups_connect(frame
)) == NULL
) {
732 * Build an IPP_HOLD_JOB request, which requires the following
736 * attributes-natural-language
738 * requesting-user-name
743 request
->request
.op
.operation_id
= IPP_HOLD_JOB
;
744 request
->request
.op
.request_id
= 1;
746 language
= cupsLangDefault();
748 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
749 "attributes-charset", NULL
, "utf-8");
751 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
752 "attributes-natural-language", NULL
, language
->language
);
754 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/jobs/%d", pjob
->sysjob
);
756 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "job-uri", NULL
, uri
);
758 if (!push_utf8_talloc(frame
, &user
, pjob
->user
, &size
)) {
761 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
765 * Do the request and get back a response...
768 if ((response
= cupsDoRequest(http
, request
, "/jobs")) != NULL
) {
769 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
770 DEBUG(0,("Unable to hold job %d - %s\n", pjob
->sysjob
,
771 ippErrorString(cupsLastError())));
776 DEBUG(0,("Unable to hold job %d - %s\n", pjob
->sysjob
,
777 ippErrorString(cupsLastError())));
785 cupsLangFree(language
);
796 * 'cups_job_resume()' - Resume a paused job.
799 static int cups_job_resume(int snum
, struct printjob
*pjob
)
801 TALLOC_CTX
*frame
= talloc_stackframe();
802 int ret
= 1; /* Return value */
803 http_t
*http
= NULL
; /* HTTP connection to server */
804 ipp_t
*request
= NULL
, /* IPP Request */
805 *response
= NULL
; /* IPP Response */
806 cups_lang_t
*language
= NULL
; /* Default language */
808 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
811 DEBUG(5,("cups_job_resume(%d, %p (%d))\n", snum
, pjob
, pjob
->sysjob
));
814 * Make sure we don't ask for passwords...
817 cupsSetPasswordCB(cups_passwd_cb
);
820 * Try to connect to the server...
823 if ((http
= cups_connect(frame
)) == NULL
) {
828 * Build an IPP_RELEASE_JOB request, which requires the following
832 * attributes-natural-language
834 * requesting-user-name
839 request
->request
.op
.operation_id
= IPP_RELEASE_JOB
;
840 request
->request
.op
.request_id
= 1;
842 language
= cupsLangDefault();
844 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
845 "attributes-charset", NULL
, "utf-8");
847 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
848 "attributes-natural-language", NULL
, language
->language
);
850 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/jobs/%d", pjob
->sysjob
);
852 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "job-uri", NULL
, uri
);
854 if (!push_utf8_talloc(frame
, &user
, pjob
->user
, &size
)) {
857 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
861 * Do the request and get back a response...
864 if ((response
= cupsDoRequest(http
, request
, "/jobs")) != NULL
) {
865 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
866 DEBUG(0,("Unable to release job %d - %s\n", pjob
->sysjob
,
867 ippErrorString(cupsLastError())));
872 DEBUG(0,("Unable to release job %d - %s\n", pjob
->sysjob
,
873 ippErrorString(cupsLastError())));
881 cupsLangFree(language
);
892 * 'cups_job_submit()' - Submit a job for printing.
895 static int cups_job_submit(int snum
, struct printjob
*pjob
)
897 TALLOC_CTX
*frame
= talloc_stackframe();
898 int ret
= 1; /* Return value */
899 http_t
*http
= NULL
; /* HTTP connection to server */
900 ipp_t
*request
= NULL
, /* IPP Request */
901 *response
= NULL
; /* IPP Response */
902 cups_lang_t
*language
= NULL
; /* Default language */
903 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
904 const char *clientname
= NULL
; /* hostname of client for job-originating-host attribute */
905 char *new_jobname
= NULL
;
907 cups_option_t
*options
= NULL
;
908 char *printername
= NULL
;
910 char *jobname
= NULL
;
911 char *cupsoptions
= NULL
;
912 char *filename
= NULL
;
914 char addr
[INET6_ADDRSTRLEN
];
916 DEBUG(5,("cups_job_submit(%d, %p (%d))\n", snum
, pjob
, pjob
->sysjob
));
919 * Make sure we don't ask for passwords...
922 cupsSetPasswordCB(cups_passwd_cb
);
925 * Try to connect to the server...
928 if ((http
= cups_connect(frame
)) == NULL
) {
933 * Build an IPP_PRINT_JOB request, which requires the following
937 * attributes-natural-language
939 * requesting-user-name
945 request
->request
.op
.operation_id
= IPP_PRINT_JOB
;
946 request
->request
.op
.request_id
= 1;
948 language
= cupsLangDefault();
950 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
951 "attributes-charset", NULL
, "utf-8");
953 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
954 "attributes-natural-language", NULL
, language
->language
);
956 if (!push_utf8_talloc(frame
, &printername
, PRINTERNAME(snum
), &size
)) {
959 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/printers/%s",
962 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
,
963 "printer-uri", NULL
, uri
);
965 if (!push_utf8_talloc(frame
, &user
, pjob
->user
, &size
)) {
968 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
971 clientname
= client_name(get_client_fd());
972 if (strcmp(clientname
, "UNKNOWN") == 0) {
973 clientname
= client_addr(get_client_fd(),addr
,sizeof(addr
));
976 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
977 "job-originating-host-name", NULL
,
980 if (!push_utf8_talloc(frame
, &jobname
, pjob
->jobname
, &size
)) {
983 new_jobname
= talloc_asprintf(frame
,
984 "%s%.8u %s", PRINT_SPOOL_PREFIX
,
985 (unsigned int)pjob
->smbjob
,
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
, lp_cups_options(snum
), &size
)) {
1003 num_options
= cupsParseOptions(cupsoptions
, num_options
, &options
);
1006 cupsEncodeOptions(request
, num_options
, options
);
1009 * Do the request and get back a response...
1012 slprintf(uri
, sizeof(uri
) - 1, "/printers/%s", printername
);
1014 if (!push_utf8_talloc(frame
, &filename
, pjob
->filename
, &size
)) {
1017 if ((response
= cupsDoFileRequest(http
, request
, uri
, pjob
->filename
)) != NULL
) {
1018 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
1019 DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum
),
1020 ippErrorString(cupsLastError())));
1025 DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum
),
1026 ippErrorString(cupsLastError())));
1030 unlink(pjob
->filename
);
1031 /* else print_job_end will do it for us */
1035 ippDelete(response
);
1038 cupsLangFree(language
);
1049 * 'cups_queue_get()' - Get all the jobs in the print queue.
1052 static int cups_queue_get(const char *sharename
,
1053 enum printing_types printing_type
,
1055 print_queue_struct
**q
,
1056 print_status_struct
*status
)
1058 TALLOC_CTX
*frame
= talloc_stackframe();
1059 char *printername
= NULL
;
1060 http_t
*http
= NULL
; /* HTTP connection to server */
1061 ipp_t
*request
= NULL
, /* IPP Request */
1062 *response
= NULL
; /* IPP Response */
1063 ipp_attribute_t
*attr
= NULL
; /* Current attribute */
1064 cups_lang_t
*language
= NULL
; /* Default language */
1065 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
1066 int qcount
= 0, /* Number of active queue entries */
1067 qalloc
= 0; /* Number of queue entries allocated */
1068 print_queue_struct
*queue
= NULL
, /* Queue entries */
1069 *temp
; /* Temporary pointer for queue */
1070 char *user_name
= NULL
, /* job-originating-user-name attribute */
1071 *job_name
= NULL
; /* job-name attribute */
1072 int job_id
; /* job-id attribute */
1073 int job_k_octets
; /* job-k-octets attribute */
1074 time_t job_time
; /* time-at-creation attribute */
1075 ipp_jstate_t job_status
; /* job-status attribute */
1076 int job_priority
; /* job-priority attribute */
1078 static const char *jattrs
[] = /* Requested job attributes */
1083 "job-originating-user-name",
1088 static const char *pattrs
[] = /* Requested printer attributes */
1091 "printer-state-message"
1096 /* HACK ALERT!!! The problem with support the 'printer name'
1097 option is that we key the tdb off the sharename. So we will
1098 overload the lpq_command string to pass in the printername
1099 (which is basically what we do for non-cups printers ... using
1100 the lpq_command to get the queue listing). */
1102 if (!push_utf8_talloc(frame
, &printername
, lpq_command
, &size
)) {
1105 DEBUG(5,("cups_queue_get(%s, %p, %p)\n", lpq_command
, q
, status
));
1108 * Make sure we don't ask for passwords...
1111 cupsSetPasswordCB(cups_passwd_cb
);
1114 * Try to connect to the server...
1117 if ((http
= cups_connect(frame
)) == NULL
) {
1122 * Generate the printer URI...
1125 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/printers/%s", printername
);
1128 * Build an IPP_GET_JOBS request, which requires the following
1131 * attributes-charset
1132 * attributes-natural-language
1133 * requested-attributes
1139 request
->request
.op
.operation_id
= IPP_GET_JOBS
;
1140 request
->request
.op
.request_id
= 1;
1142 language
= cupsLangDefault();
1144 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
1145 "attributes-charset", NULL
, "utf-8");
1147 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
1148 "attributes-natural-language", NULL
, language
->language
);
1150 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
1151 "requested-attributes",
1152 (sizeof(jattrs
) / sizeof(jattrs
[0])),
1155 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
,
1156 "printer-uri", NULL
, uri
);
1159 * Do the request and get back a response...
1162 if ((response
= cupsDoRequest(http
, request
, "/")) == NULL
) {
1163 DEBUG(0,("Unable to get jobs for %s - %s\n", uri
,
1164 ippErrorString(cupsLastError())));
1168 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
1169 DEBUG(0,("Unable to get jobs for %s - %s\n", uri
,
1170 ippErrorString(response
->request
.status
.status_code
)));
1175 * Process the jobs...
1182 for (attr
= response
->attrs
; attr
!= NULL
; attr
= attr
->next
) {
1184 * Skip leading attributes until we hit a job...
1187 while (attr
!= NULL
&& attr
->group_tag
!= IPP_TAG_JOB
)
1194 * Allocate memory as needed...
1196 if (qcount
>= qalloc
) {
1199 queue
= SMB_REALLOC_ARRAY(queue
, print_queue_struct
, qalloc
);
1201 if (queue
== NULL
) {
1202 DEBUG(0,("cups_queue_get: Not enough memory!"));
1208 temp
= queue
+ qcount
;
1209 memset(temp
, 0, sizeof(print_queue_struct
));
1212 * Pull the needed attributes from this job...
1217 job_status
= IPP_JOB_PENDING
;
1223 while (attr
!= NULL
&& attr
->group_tag
== IPP_TAG_JOB
) {
1224 if (attr
->name
== NULL
) {
1229 if (strcmp(attr
->name
, "job-id") == 0 &&
1230 attr
->value_tag
== IPP_TAG_INTEGER
)
1231 job_id
= attr
->values
[0].integer
;
1233 if (strcmp(attr
->name
, "job-k-octets") == 0 &&
1234 attr
->value_tag
== IPP_TAG_INTEGER
)
1235 job_k_octets
= attr
->values
[0].integer
;
1237 if (strcmp(attr
->name
, "job-priority") == 0 &&
1238 attr
->value_tag
== IPP_TAG_INTEGER
)
1239 job_priority
= attr
->values
[0].integer
;
1241 if (strcmp(attr
->name
, "job-state") == 0 &&
1242 attr
->value_tag
== IPP_TAG_ENUM
)
1243 job_status
= (ipp_jstate_t
)(attr
->values
[0].integer
);
1245 if (strcmp(attr
->name
, "time-at-creation") == 0 &&
1246 attr
->value_tag
== IPP_TAG_INTEGER
)
1247 job_time
= attr
->values
[0].integer
;
1249 if (strcmp(attr
->name
, "job-name") == 0 &&
1250 attr
->value_tag
== IPP_TAG_NAME
) {
1251 if (!pull_utf8_talloc(frame
,
1253 attr
->values
[0].string
.text
,
1259 if (strcmp(attr
->name
, "job-originating-user-name") == 0 &&
1260 attr
->value_tag
== IPP_TAG_NAME
) {
1261 if (!pull_utf8_talloc(frame
,
1263 attr
->values
[0].string
.text
,
1273 * See if we have everything needed...
1276 if (user_name
== NULL
|| job_name
== NULL
|| job_id
== 0) {
1284 temp
->size
= job_k_octets
* 1024;
1285 temp
->status
= job_status
== IPP_JOB_PENDING
? LPQ_QUEUED
:
1286 job_status
== IPP_JOB_STOPPED
? LPQ_PAUSED
:
1287 job_status
== IPP_JOB_HELD
? LPQ_PAUSED
:
1289 temp
->priority
= job_priority
;
1290 temp
->time
= job_time
;
1291 strlcpy(temp
->fs_user
, user_name
, sizeof(temp
->fs_user
));
1292 strlcpy(temp
->fs_file
, job_name
, sizeof(temp
->fs_file
));
1300 ippDelete(response
);
1304 * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the
1305 * following attributes:
1307 * attributes-charset
1308 * attributes-natural-language
1309 * requested-attributes
1315 request
->request
.op
.operation_id
= IPP_GET_PRINTER_ATTRIBUTES
;
1316 request
->request
.op
.request_id
= 1;
1318 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
1319 "attributes-charset", NULL
, "utf-8");
1321 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
1322 "attributes-natural-language", NULL
, language
->language
);
1324 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
1325 "requested-attributes",
1326 (sizeof(pattrs
) / sizeof(pattrs
[0])),
1329 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
,
1330 "printer-uri", NULL
, uri
);
1333 * Do the request and get back a response...
1336 if ((response
= cupsDoRequest(http
, request
, "/")) == NULL
) {
1337 DEBUG(0,("Unable to get printer status for %s - %s\n", printername
,
1338 ippErrorString(cupsLastError())));
1343 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
1344 DEBUG(0,("Unable to get printer status for %s - %s\n", printername
,
1345 ippErrorString(response
->request
.status
.status_code
)));
1351 * Get the current printer status and convert it to the SAMBA values.
1354 if ((attr
= ippFindAttribute(response
, "printer-state", IPP_TAG_ENUM
)) != NULL
) {
1355 if (attr
->values
[0].integer
== IPP_PRINTER_STOPPED
)
1356 status
->status
= LPSTAT_STOPPED
;
1358 status
->status
= LPSTAT_OK
;
1361 if ((attr
= ippFindAttribute(response
, "printer-state-message",
1362 IPP_TAG_TEXT
)) != NULL
) {
1364 if (!pull_utf8_talloc(frame
, &msg
,
1365 attr
->values
[0].string
.text
,
1371 fstrcpy(status
->message
, msg
);
1375 * Return the job queue...
1382 ippDelete(response
);
1385 cupsLangFree(language
);
1396 * 'cups_queue_pause()' - Pause a print queue.
1399 static int cups_queue_pause(int snum
)
1401 TALLOC_CTX
*frame
= talloc_stackframe();
1402 int ret
= 1; /* Return value */
1403 http_t
*http
= NULL
; /* HTTP connection to server */
1404 ipp_t
*request
= NULL
, /* IPP Request */
1405 *response
= NULL
; /* IPP Response */
1406 cups_lang_t
*language
= NULL
; /* Default language */
1407 char *printername
= NULL
;
1408 char *username
= NULL
;
1409 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
1412 DEBUG(5,("cups_queue_pause(%d)\n", snum
));
1415 * Make sure we don't ask for passwords...
1418 cupsSetPasswordCB(cups_passwd_cb
);
1421 * Try to connect to the server...
1424 if ((http
= cups_connect(frame
)) == NULL
) {
1429 * Build an IPP_PAUSE_PRINTER request, which requires the following
1432 * attributes-charset
1433 * attributes-natural-language
1435 * requesting-user-name
1440 request
->request
.op
.operation_id
= IPP_PAUSE_PRINTER
;
1441 request
->request
.op
.request_id
= 1;
1443 language
= cupsLangDefault();
1445 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
1446 "attributes-charset", NULL
, "utf-8");
1448 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
1449 "attributes-natural-language", NULL
, language
->language
);
1451 if (!push_utf8_talloc(frame
, &printername
, PRINTERNAME(snum
), &size
)) {
1454 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/printers/%s",
1457 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri", NULL
, uri
);
1459 if (!push_utf8_talloc(frame
, &username
, current_user_info
.unix_name
, &size
)) {
1462 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
1466 * Do the request and get back a response...
1469 if ((response
= cupsDoRequest(http
, request
, "/admin/")) != NULL
) {
1470 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
1471 DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum
),
1472 ippErrorString(cupsLastError())));
1477 DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum
),
1478 ippErrorString(cupsLastError())));
1483 ippDelete(response
);
1486 cupsLangFree(language
);
1497 * 'cups_queue_resume()' - Restart a print queue.
1500 static int cups_queue_resume(int snum
)
1502 TALLOC_CTX
*frame
= talloc_stackframe();
1503 int ret
= 1; /* Return value */
1504 http_t
*http
= NULL
; /* HTTP connection to server */
1505 ipp_t
*request
= NULL
, /* IPP Request */
1506 *response
= NULL
; /* IPP Response */
1507 cups_lang_t
*language
= NULL
; /* Default language */
1508 char *printername
= NULL
;
1509 char *username
= NULL
;
1510 char uri
[HTTP_MAX_URI
]; /* printer-uri attribute */
1513 DEBUG(5,("cups_queue_resume(%d)\n", snum
));
1516 * Make sure we don't ask for passwords...
1519 cupsSetPasswordCB(cups_passwd_cb
);
1522 * Try to connect to the server...
1525 if ((http
= cups_connect(frame
)) == NULL
) {
1530 * Build an IPP_RESUME_PRINTER request, which requires the following
1533 * attributes-charset
1534 * attributes-natural-language
1536 * requesting-user-name
1541 request
->request
.op
.operation_id
= IPP_RESUME_PRINTER
;
1542 request
->request
.op
.request_id
= 1;
1544 language
= cupsLangDefault();
1546 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
1547 "attributes-charset", NULL
, "utf-8");
1549 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
1550 "attributes-natural-language", NULL
, language
->language
);
1552 if (!push_utf8_talloc(frame
, &printername
, PRINTERNAME(snum
), &size
)) {
1555 slprintf(uri
, sizeof(uri
) - 1, "ipp://localhost/printers/%s",
1558 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
, "printer-uri", NULL
, uri
);
1560 if (!push_utf8_talloc(frame
, &username
, current_user_info
.unix_name
, &size
)) {
1563 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
, "requesting-user-name",
1567 * Do the request and get back a response...
1570 if ((response
= cupsDoRequest(http
, request
, "/admin/")) != NULL
) {
1571 if (response
->request
.status
.status_code
>= IPP_OK_CONFLICT
) {
1572 DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum
),
1573 ippErrorString(cupsLastError())));
1578 DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum
),
1579 ippErrorString(cupsLastError())));
1584 ippDelete(response
);
1587 cupsLangFree(language
);
1596 /*******************************************************************
1597 * CUPS printing interface definitions...
1598 ******************************************************************/
1600 struct printif cups_printif
=
1612 bool cups_pull_comment_location(NT_PRINTER_INFO_LEVEL_2
*printer
)
1614 TALLOC_CTX
*frame
= talloc_stackframe();
1615 http_t
*http
= NULL
; /* HTTP connection to server */
1616 ipp_t
*request
= NULL
, /* IPP Request */
1617 *response
= NULL
; /* IPP Response */
1618 ipp_attribute_t
*attr
; /* Current attribute */
1619 cups_lang_t
*language
= NULL
; /* Default language */
1620 char uri
[HTTP_MAX_URI
];
1621 char *server
= NULL
;
1622 char *sharename
= NULL
;
1624 static const char *requested
[] =/* Requested attributes */
1633 DEBUG(5, ("pulling %s location\n", printer
->sharename
));
1636 * Make sure we don't ask for passwords...
1639 cupsSetPasswordCB(cups_passwd_cb
);
1642 * Try to connect to the server...
1645 if ((http
= cups_connect(frame
)) == NULL
) {
1651 request
->request
.op
.operation_id
= IPP_GET_PRINTER_ATTRIBUTES
;
1652 request
->request
.op
.request_id
= 1;
1654 language
= cupsLangDefault();
1656 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_CHARSET
,
1657 "attributes-charset", NULL
, "utf-8");
1659 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_LANGUAGE
,
1660 "attributes-natural-language", NULL
, language
->language
);
1662 if (lp_cups_server() != NULL
&& strlen(lp_cups_server()) > 0) {
1663 if (!push_utf8_talloc(frame
, &server
, lp_cups_server(), &size
)) {
1667 server
= talloc_strdup(frame
,cupsServer());
1672 if (!push_utf8_talloc(frame
, &sharename
, printer
->sharename
, &size
)) {
1675 slprintf(uri
, sizeof(uri
) - 1, "ipp://%s/printers/%s",
1678 ippAddString(request
, IPP_TAG_OPERATION
, IPP_TAG_URI
,
1679 "printer-uri", NULL
, uri
);
1681 ippAddStrings(request
, IPP_TAG_OPERATION
, IPP_TAG_NAME
,
1682 "requested-attributes",
1683 (sizeof(requested
) / sizeof(requested
[0])),
1687 * Do the request and get back a response...
1690 if ((response
= cupsDoRequest(http
, request
, "/")) == NULL
) {
1691 DEBUG(0,("Unable to get printer attributes - %s\n",
1692 ippErrorString(cupsLastError())));
1696 for (attr
= response
->attrs
; attr
!= NULL
;) {
1698 * Skip leading attributes until we hit a printer...
1701 while (attr
!= NULL
&& attr
->group_tag
!= IPP_TAG_PRINTER
)
1708 * Pull the needed attributes from this printer...
1711 while ( attr
&& (attr
->group_tag
== IPP_TAG_PRINTER
) ) {
1712 if (strcmp(attr
->name
, "printer-name") == 0 &&
1713 attr
->value_tag
== IPP_TAG_NAME
) {
1714 if (!pull_utf8_talloc(frame
,
1716 attr
->values
[0].string
.text
,
1722 /* Grab the comment if we don't have one */
1723 if ( (strcmp(attr
->name
, "printer-info") == 0)
1724 && (attr
->value_tag
== IPP_TAG_TEXT
)
1725 && !strlen(printer
->comment
) )
1727 char *comment
= NULL
;
1728 if (!pull_utf8_talloc(frame
,
1730 attr
->values
[0].string
.text
,
1734 DEBUG(5,("cups_pull_comment_location: Using cups comment: %s\n",
1736 strlcpy(printer
->comment
,
1738 sizeof(printer
->comment
));
1741 /* Grab the location if we don't have one */
1742 if ( (strcmp(attr
->name
, "printer-location") == 0)
1743 && (attr
->value_tag
== IPP_TAG_TEXT
)
1744 && !strlen(printer
->location
) )
1746 char *location
= NULL
;
1747 if (!pull_utf8_talloc(frame
,
1749 attr
->values
[0].string
.text
,
1753 DEBUG(5,("cups_pull_comment_location: Using cups location: %s\n",
1755 strlcpy(printer
->location
,
1757 sizeof(printer
->location
));
1764 * We have everything needed...
1775 ippDelete(response
);
1782 cupsLangFree(language
);
1792 /* this keeps fussy compilers happy */
1793 void print_cups_dummy(void);
1794 void print_cups_dummy(void) {}
1795 #endif /* HAVE_CUPS */