2 * Read and write the citadel.config file
4 * Copyright (c) 1987-2009 by the citadel.org team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <libcitadel.h>
35 #include "ctdl_module.h"
41 * get_config() is called during the initialization of any program which
42 * directly accesses Citadel data files. It verifies the system's integrity
43 * and reads citadel.config into memory.
45 void get_config(void) {
50 if (chdir(ctdl_bbsbase_dir) != 0) {
52 "This program could not be started.\n"
53 "Unable to change directory to %s\n"
59 cfp = fopen(file_citadel_config, "rb");
61 fprintf(stderr, "This program could not be started.\n"
66 exit(CTDLEXIT_CONFIG);
68 memset(&config, 0, sizeof(struct config));
69 rv = fread((char *) &config, sizeof(struct config), 1, cfp);
73 "Warning: The config file %s has unexpected size. \n",
76 if (fstat(fileno(cfp), &st)) {
77 perror(file_citadel_config);
78 exit(CTDLEXIT_CONFIG);
82 if (st.st_uid != CTDLUID) {
83 fprintf(stderr, "%s must be owned by uid="F_UID_T" but "F_UID_T" owns it!\n",
84 file_citadel_config, CTDLUID, st.st_uid);
85 exit(CTDLEXIT_CONFIG);
87 int desired_mode = (S_IFREG | S_IRUSR | S_IWUSR) ;
88 if (st.st_mode != desired_mode) {
89 fprintf(stderr, "%s must be set to permissions mode %03o but they are %03o\n",
90 file_citadel_config, (desired_mode & 0xFFF), (st.st_mode & 0xFFF));
91 exit(CTDLEXIT_CONFIG);
97 /* Ensure that we are linked to the correct version of libcitadel */
98 if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
99 fprintf(stderr, " You are running libcitadel version %d.%02d\n",
100 (libcitadel_version_number() / 100), (libcitadel_version_number() % 100));
101 fprintf(stderr, "citserver was compiled against version %d.%02d\n",
102 (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100));
103 exit(CTDLEXIT_LIBCITADEL);
106 /* Only allow LDAP auth mode if we actually have LDAP support */
108 if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
109 fprintf(stderr, "Your system is configured for LDAP authentication,\n"
110 "but you are running a server built without OpenLDAP support.\n");
111 exit(CTDL_EXIT_UNSUP_AUTH);
115 /* Check to see whether 'setup' must first be run to update data file formats */
116 if (config.c_setup_level < REV_MIN) {
117 fprintf(stderr, "Your data files are out of date. Run setup to update them.\n");
118 fprintf(stderr, " This program requires level %d.%02d\n",
119 (REV_LEVEL / 100), (REV_LEVEL % 100));
120 fprintf(stderr, " Data files are currently at %d.%02d\n",
121 (config.c_setup_level / 100),
122 (config.c_setup_level % 100));
126 /* Default maximum message length is 10 megabytes. This is site
127 * configurable. Also check to make sure the limit has not been
128 * set below 8192 bytes.
130 if (config.c_maxmsglen <= 0)
131 config.c_maxmsglen = 10485760;
132 if (config.c_maxmsglen < 8192)
133 config.c_maxmsglen = 8192;
135 /* Default lower and upper limits on number of worker threads */
137 if (config.c_min_workers < 3) /* no less than 3 */
138 config.c_min_workers = 5;
140 if (config.c_max_workers == 0) /* default maximum */
141 config.c_max_workers = 256;
143 if (config.c_max_workers < config.c_min_workers) /* max >= min */
144 config.c_max_workers = config.c_min_workers;
146 /* Networking more than once every five minutes just isn't sane */
147 if (config.c_net_freq == 0L)
148 config.c_net_freq = 3600L; /* once per hour default */
149 if (config.c_net_freq < 300L)
150 config.c_net_freq = 300L;
152 /* Same goes for POP3 */
153 if (config.c_pop3_fetch == 0L)
154 config.c_pop3_fetch = 3600L; /* once per hour default */
155 if (config.c_pop3_fetch < 300L)
156 config.c_pop3_fetch = 300L;
157 if (config.c_pop3_fastest == 0L)
158 config.c_pop3_fastest = 3600L; /* once per hour default */
159 if (config.c_pop3_fastest < 300L)
160 config.c_pop3_fastest = 300L;
162 /* "create new user" only works with native authentication mode */
163 if (config.c_auth_mode != AUTHMODE_NATIVE) {
164 config.c_disable_newu = 1;
170 * Occasionally, we will need to write the config file, because some operations
171 * change site-wide parameters.
173 void put_config(void)
178 if ((cfp = fopen(file_citadel_config, "rb+")) == NULL)
179 perror(file_citadel_config);
181 rv = fwrite((char *) &config, sizeof(struct config), 1, cfp);
183 syslog(LOG_EMERG, "Failed to write: %s [%s]\n",
184 file_citadel_config, strerror(errno));