tevent: call epoll_panic() if EPOLL_CTL_DEL failed
[Samba/gebeck_regimport.git] / source3 / printing / pcap.c
blobdd7ba624590124cace8d73b97f2595b66256c168
1 /*
2 Unix SMB/CIFS implementation.
3 printcap parsing
4 Copyright (C) Karl Auer 1993-1998
6 Re-working by Martin Kiff, 1994
8 Re-written again by Andrew Tridgell
10 Modified for SVID support by Norm Jacobs, 1997
12 Modified for CUPS support by Michael Sweet, 1999
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 3 of the License, or
17 (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 * Modified to call SVID/XPG4 support if printcap name is set to "lpstat"
30 * in smb.conf under Solaris.
32 * Modified to call CUPS support if printcap name is set to "cups"
33 * in smb.conf.
35 * Modified to call iPrint support if printcap name is set to "iprint"
36 * in smb.conf.
39 #include "includes.h"
40 #include "printing/pcap.h"
41 #include "printer_list.h"
43 struct pcap_cache {
44 char *name;
45 char *comment;
46 char *location;
47 struct pcap_cache *next;
50 bool pcap_cache_add_specific(struct pcap_cache **ppcache, const char *name, const char *comment, const char *location)
52 struct pcap_cache *p;
54 if (name == NULL || ((p = SMB_MALLOC_P(struct pcap_cache)) == NULL))
55 return false;
57 p->name = SMB_STRDUP(name);
58 p->comment = (comment && *comment) ? SMB_STRDUP(comment) : NULL;
59 p->location = (location && *location) ? SMB_STRDUP(location) : NULL;
61 DEBUG(11,("pcap_cache_add_specific: Adding name %s info %s, location: %s\n",
62 p->name, p->comment ? p->comment : "",
63 p->location ? p->location : ""));
65 p->next = *ppcache;
66 *ppcache = p;
68 return true;
71 void pcap_cache_destroy_specific(struct pcap_cache **pp_cache)
73 struct pcap_cache *p, *next;
75 for (p = *pp_cache; p != NULL; p = next) {
76 next = p->next;
78 SAFE_FREE(p->name);
79 SAFE_FREE(p->comment);
80 SAFE_FREE(p->location);
81 SAFE_FREE(p);
83 *pp_cache = NULL;
86 bool pcap_cache_add(const char *name, const char *comment, const char *location)
88 NTSTATUS status;
89 time_t t = time_mono(NULL);
91 status = printer_list_set_printer(talloc_tos(), name, comment, location, t);
92 return NT_STATUS_IS_OK(status);
95 bool pcap_cache_loaded(void)
97 NTSTATUS status;
98 time_t last;
100 status = printer_list_get_last_refresh(&last);
101 return NT_STATUS_IS_OK(status);
104 bool pcap_cache_replace(const struct pcap_cache *pcache)
106 const struct pcap_cache *p;
107 NTSTATUS status;
109 status = printer_list_mark_reload();
110 if (!NT_STATUS_IS_OK(status)) {
111 DEBUG(0, ("Failed to mark printer list for reload!\n"));
112 return false;
115 for (p = pcache; p; p = p->next) {
116 pcap_cache_add(p->name, p->comment, p->location);
119 status = printer_list_clean_old();
120 if (!NT_STATUS_IS_OK(status)) {
121 DEBUG(0, ("Failed to cleanup printer list!\n"));
122 return false;
125 return true;
128 void pcap_cache_reload(struct tevent_context *ev,
129 struct messaging_context *msg_ctx,
130 void (*post_cache_fill_fn)(struct tevent_context *,
131 struct messaging_context *))
133 const char *pcap_name = lp_printcapname();
134 bool pcap_reloaded = False;
135 NTSTATUS status;
136 bool post_cache_fill_fn_handled = false;
138 DEBUG(3, ("reloading printcap cache\n"));
140 /* only go looking if no printcap name supplied */
141 if (pcap_name == NULL || *pcap_name == 0) {
142 DEBUG(0, ("No printcap file name configured!\n"));
143 return;
146 status = printer_list_mark_reload();
147 if (!NT_STATUS_IS_OK(status)) {
148 DEBUG(0, ("Failed to mark printer list for reload!\n"));
149 return;
152 #ifdef HAVE_CUPS
153 if (strequal(pcap_name, "cups")) {
154 pcap_reloaded = cups_cache_reload(ev, msg_ctx,
155 post_cache_fill_fn);
157 * cups_cache_reload() is async and calls post_cache_fill_fn()
158 * on successful completion
160 post_cache_fill_fn_handled = true;
161 goto done;
163 #endif
165 #ifdef HAVE_IPRINT
166 if (strequal(pcap_name, "iprint")) {
167 pcap_reloaded = iprint_cache_reload();
168 goto done;
170 #endif
172 #if defined(SYSV) || defined(HPUX)
173 if (strequal(pcap_name, "lpstat")) {
174 pcap_reloaded = sysv_cache_reload();
175 goto done;
177 #endif
179 #ifdef AIX
180 if (strstr_m(pcap_name, "/qconfig") != NULL) {
181 pcap_reloaded = aix_cache_reload();
182 goto done;
184 #endif
186 pcap_reloaded = std_pcap_cache_reload(pcap_name);
188 done:
189 DEBUG(3, ("reload status: %s\n", (pcap_reloaded) ? "ok" : "error"));
191 if ((pcap_reloaded) && (post_cache_fill_fn_handled == false)) {
192 /* cleanup old entries only if the operation was successful,
193 * otherwise keep around the old entries until we can
194 * successfully reload */
195 status = printer_list_clean_old();
196 if (!NT_STATUS_IS_OK(status)) {
197 DEBUG(0, ("Failed to cleanup printer list!\n"));
199 if (post_cache_fill_fn != NULL) {
200 post_cache_fill_fn(ev, msg_ctx);
204 return;
208 bool pcap_printername_ok(const char *printername)
210 NTSTATUS status;
212 status = printer_list_get_printer(talloc_tos(), printername, NULL, NULL, 0);
213 return NT_STATUS_IS_OK(status);
216 /***************************************************************************
217 run a function on each printer name in the printcap file.
218 ***************************************************************************/
220 void pcap_printer_fn_specific(const struct pcap_cache *pc,
221 void (*fn)(const char *, const char *, const char *, void *),
222 void *pdata)
224 const struct pcap_cache *p;
226 for (p = pc; p != NULL; p = p->next)
227 fn(p->name, p->comment, p->location, pdata);
229 return;
232 void pcap_printer_fn(void (*fn)(const char *, const char *, const char *, void *), void *pdata)
234 NTSTATUS status;
236 status = printer_list_run_fn(fn, pdata);
237 if (!NT_STATUS_IS_OK(status)) {
238 DEBUG(3, ("Failed to run fn for all printers!\n"));
240 return;