source: vendor/3.6.25/source3/smbd/server_reload.c

Last change on this file was 860, checked in by Silvan Scherrer, 11 years ago

Samba 3.6: updated vendor to latest version
File size: 5.2 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Main SMB server routines
4 Copyright (C) Andrew Tridgell 1992-1998
5 Copyright (C) Martin Pool 2002
6 Copyright (C) Jelmer Vernooij 2002-2003
7 Copyright (C) Volker Lendecke 1993-2007
8 Copyright (C) Jeremy Allison 1993-2007
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22*/
23
24#include "includes.h"
25#include "smbd/smbd.h"
26#include "smbd/globals.h"
27#include "nt_printing.h"
28#include "printing/pcap.h"
29#include "printing/load.h"
30#include "auth.h"
31#include "messages.h"
32
33/****************************************************************************
34 purge stale printers and reload from pre-populated pcap cache
35**************************************************************************/
36void reload_printers(struct tevent_context *ev,
37 struct messaging_context *msg_ctx)
38{
39 int n_services;
40 int pnum;
41 int snum;
42 const char *pname;
43
44 n_services = lp_numservices();
45 pnum = lp_servicenumber(PRINTERS_NAME);
46
47 DEBUG(10, ("reloading printer services from pcap cache\n"));
48
49 /*
50 * Add default config for printers added to smb.conf file and remove
51 * stale printers
52 */
53 for (snum = 0; snum < n_services; snum++) {
54 /* avoid removing PRINTERS_NAME */
55 if (snum == pnum) {
56 continue;
57 }
58
59 /* skip no-printer services */
60 if (!(lp_snum_ok(snum) && lp_print_ok(snum))) {
61 continue;
62 }
63
64 pname = lp_printername(snum);
65
66 /* check printer, but avoid removing non-autoloaded printers */
67 if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
68 DEBUG(3, ("removing stale printer %s\n", pname));
69 lp_killservice(snum);
70 }
71 }
72
73 /* Make sure deleted printers are gone */
74 load_printers(ev, msg_ctx);
75}
76
77/****************************************************************************
78 purge stale printers and reload from pre-populated pcap cache
79**************************************************************************/
80void reload_printers_full(struct tevent_context *ev,
81 struct messaging_context *msg_ctx)
82{
83 struct auth_serversupplied_info *session_info = NULL;
84 int n_services;
85 int pnum;
86 int snum;
87 const char *pname;
88 const char *sname;
89 NTSTATUS status;
90
91 n_services = lp_numservices();
92 pnum = lp_servicenumber(PRINTERS_NAME);
93
94 status = make_session_info_system(talloc_new(NULL), &session_info);
95 if (!NT_STATUS_IS_OK(status)) {
96 DEBUG(3, ("Could not create system session_info\n"));
97 /* can't remove stale printers before we
98 * are fully initilized */
99 return;
100 }
101
102 /*
103 * Add default config for printers added to smb.conf file and remove
104 * stale printers
105 */
106 for (snum = 0; snum < n_services; snum++) {
107 /* avoid removing PRINTERS_NAME */
108 if (snum == pnum) {
109 continue;
110 }
111
112 /* skip no-printer services */
113 if (!(lp_snum_ok(snum) && lp_print_ok(snum))) {
114 continue;
115 }
116
117 sname = lp_const_servicename(snum);
118 pname = lp_printername(snum);
119
120 /* check printer, but avoid removing non-autoloaded printers */
121 if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
122 struct spoolss_PrinterInfo2 *pinfo2 = NULL;
123 if (is_printer_published(session_info, session_info,
124 msg_ctx,
125 NULL,
126 lp_servicename(snum),
127 &pinfo2)) {
128 nt_printer_publish(session_info,
129 session_info,
130 msg_ctx,
131 pinfo2,
132 DSPRINT_UNPUBLISH);
133 TALLOC_FREE(pinfo2);
134 }
135 nt_printer_remove(session_info, session_info, msg_ctx,
136 pname);
137 } else {
138 DEBUG(8, ("Adding default registry entry for printer "
139 "[%s], if it doesn't exist.\n", sname));
140 nt_printer_add(session_info, session_info, msg_ctx,
141 sname);
142 }
143 }
144
145 /* finally, purge old snums */
146 reload_printers(ev, msg_ctx);
147
148 TALLOC_FREE(session_info);
149}
150
151/****************************************************************************
152 Reload the services file.
153**************************************************************************/
154
155bool reload_services(struct messaging_context *msg_ctx, int smb_sock,
156 bool test)
157{
158 bool ret;
159
160 if (lp_loaded()) {
161 char *fname = lp_configfile();
162 if (file_exist(fname) &&
163 !strcsequal(fname, get_dyn_CONFIGFILE())) {
164 set_dyn_CONFIGFILE(fname);
165 test = False;
166 }
167 TALLOC_FREE(fname);
168 }
169
170 reopen_logs();
171
172 if (test && !lp_file_list_changed())
173 return(True);
174
175 lp_killunused(conn_snum_used);
176
177 ret = lp_load(get_dyn_CONFIGFILE(), False, False, True, True);
178
179 /* perhaps the config filename is now set */
180 if (!test)
181 reload_services(msg_ctx, smb_sock, True);
182
183 reopen_logs();
184
185 load_interfaces();
186
187 if (smb_sock != -1) {
188 set_socket_options(smb_sock,"SO_KEEPALIVE");
189 set_socket_options(smb_sock, lp_socket_options());
190 }
191
192 mangle_reset_cache();
193 reset_stat_cache();
194
195 /* this forces service parameters to be flushed */
196 set_current_service(NULL,0,True);
197
198 return(ret);
199}
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