4 * Read and write the citadel.config file
6 * Copyright (c) 1987-2009 by the citadel.org team
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #include <libcitadel.h>
37 #include "ctdl_module.h"
43 * get_config() is called during the initialization of any program which
44 * directly accesses Citadel data files. It verifies the system's integrity
45 * and reads citadel.config into memory.
47 void get_config(void) {
51 if (chdir(ctdl_bbsbase_dir) != 0) {
53 "This program could not be started.\n"
54 "Unable to change directory to %s\n"
60 cfp = fopen(file_citadel_config, "rb");
62 fprintf(stderr, "This program could not be started.\n"
67 exit(CTDLEXIT_CONFIG);
69 fread((char *) &config, sizeof(struct config), 1, cfp);
70 if (fstat(fileno(cfp), &st)) {
71 perror(file_citadel_config);
72 exit(CTDLEXIT_CONFIG);
76 if (st.st_uid != CTDLUID) {
77 fprintf(stderr, "%s must be owned by uid="F_UID_T" but "F_UID_T" owns it!\n",
78 file_citadel_config, CTDLUID, st.st_uid);
79 exit(CTDLEXIT_CONFIG);
81 int desired_mode = (S_IFREG | S_IRUSR | S_IWUSR) ;
82 if (st.st_mode != desired_mode) {
83 fprintf(stderr, "%s must be set to permissions mode %03o but they are %03o\n",
84 file_citadel_config, (desired_mode & 0xFFF), (st.st_mode & 0xFFF));
85 exit(CTDLEXIT_CONFIG);
91 /* Ensure that we are linked to the correct version of libcitadel */
92 if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
93 fprintf(stderr, " You are running libcitadel version %d.%02d\n",
94 (libcitadel_version_number() / 100), (libcitadel_version_number() % 100));
95 fprintf(stderr, "citserver was compiled against version %d.%02d\n",
96 (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100));
97 exit(CTDLEXIT_LIBCITADEL);
100 /* Only allow LDAP auth mode if we actually have LDAP support */
102 if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
103 fprintf(stderr, "Your system is configured for LDAP authentication,\n"
104 "but you are running a server built without OpenLDAP support.\n");
105 exit(CTDL_EXIT_UNSUP_AUTH);
109 /* Check to see whether 'setup' must first be run to update data file formats */
110 if (config.c_setup_level < REV_MIN) {
111 fprintf(stderr, "Your data files are out of date. Run setup to update them.\n");
112 fprintf(stderr, " This program requires level %d.%02d\n",
113 (REV_LEVEL / 100), (REV_LEVEL % 100));
114 fprintf(stderr, " Data files are currently at %d.%02d\n",
115 (config.c_setup_level / 100),
116 (config.c_setup_level % 100));
120 /* Default maximum message length is 10 megabytes. This is site
121 * configurable. Also check to make sure the limit has not been
122 * set below 8192 bytes.
124 if (config.c_maxmsglen <= 0)
125 config.c_maxmsglen = 10485760;
126 if (config.c_maxmsglen < 8192)
127 config.c_maxmsglen = 8192;
129 /* Default lower and upper limits on number of worker threads */
131 if (config.c_min_workers < 3) /* no less than 3 */
132 config.c_min_workers = 5;
134 if (config.c_max_workers == 0) /* default maximum */
135 config.c_max_workers = 256;
137 if (config.c_max_workers < config.c_min_workers) /* max >= min */
138 config.c_max_workers = config.c_min_workers;
140 /* Networking more than once every five minutes just isn't sane */
141 if (config.c_net_freq == 0L)
142 config.c_net_freq = 3600L; /* once per hour default */
143 if (config.c_net_freq < 300L)
144 config.c_net_freq = 300L;
146 /* Same goes for POP3 */
147 if (config.c_pop3_fetch == 0L)
148 config.c_pop3_fetch = 3600L; /* once per hour default */
149 if (config.c_pop3_fetch < 300L)
150 config.c_pop3_fetch = 300L;
151 if (config.c_pop3_fastest == 0L)
152 config.c_pop3_fastest = 3600L; /* once per hour default */
153 if (config.c_pop3_fastest < 300L)
154 config.c_pop3_fastest = 300L;
156 /* "create new user" only works with native authentication mode */
157 if (config.c_auth_mode != AUTHMODE_NATIVE) {
158 config.c_disable_newu = 1;
164 * Occasionally, we will need to write the config file, because some operations
165 * change site-wide parameters.
167 void put_config(void)
171 if ((cfp = fopen(file_citadel_config, "rb+")) == NULL)
172 perror(file_citadel_config);
174 fwrite((char *) &config, sizeof(struct config), 1, cfp);