2 * Read and write the citadel.config file
4 * Copyright (c) 1987-2012 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
23 #include <sys/utsname.h>
24 #include <libcitadel.h>
28 #include "ctdl_module.h"
33 * Put some sane default values into our configuration. Some will be overridden when we run setup.
35 void brand_new_installation_set_defaults(void) {
38 struct utsname my_utsname;
41 /* Determine our host name, in case we need to use it as a default */
44 /* set some sample/default values in place of blanks... */
45 extract_token(config.c_nodename, my_utsname.nodename, 0, '.', sizeof config.c_nodename);
46 if (IsEmptyStr(config.c_fqdn) ) {
47 if ((he = gethostbyname(my_utsname.nodename)) != NULL) {
48 safestrncpy(config.c_fqdn, he->h_name, sizeof config.c_fqdn);
51 safestrncpy(config.c_fqdn, my_utsname.nodename, sizeof config.c_fqdn);
55 safestrncpy(config.c_humannode, "Citadel Server", sizeof config.c_humannode);
56 safestrncpy(config.c_phonenum, "US 800 555 1212", sizeof config.c_phonenum);
58 safestrncpy(config.c_moreprompt, "<more>", sizeof config.c_moreprompt);
59 safestrncpy(config.c_twitroom, "Trashcan", sizeof config.c_twitroom);
60 safestrncpy(config.c_baseroom, BASEROOM, sizeof config.c_baseroom);
61 safestrncpy(config.c_aideroom, "Aide", sizeof config.c_aideroom);
62 config.c_port_number = 504;
63 config.c_sleeping = 900;
64 config.c_instant_expunge = 1;
66 if (config.c_ctdluid == 0) {
67 pw = getpwnam("citadel");
69 config.c_ctdluid = pw->pw_uid;
72 if (config.c_ctdluid == 0) {
75 config.c_ctdluid = pw->pw_uid;
78 if (config.c_ctdluid == 0) {
79 pw = getpwnam("guest");
81 config.c_ctdluid = pw->pw_uid;
84 if (config.c_createax == 0) {
85 config.c_createax = 3;
89 * Default port numbers for various services
91 config.c_smtp_port = 25;
92 config.c_pop3_port = 110;
93 config.c_imap_port = 143;
94 config.c_msa_port = 587;
95 config.c_smtps_port = 465;
96 config.c_pop3s_port = 995;
97 config.c_imaps_port = 993;
98 config.c_pftcpdict_port = -1 ;
99 config.c_managesieve_port = 2020;
100 config.c_xmpp_c2s_port = 5222;
101 config.c_xmpp_s2s_port = 5269;
107 * get_config() is called during the initialization of Citadel server.
108 * It verifies the system's integrity and reads citadel.config into memory.
110 void get_config(void) {
114 if (chdir(ctdl_bbsbase_dir) != 0) {
116 "This program could not be started.\nUnable to change directory to %s\nError: %s\n",
123 memset(&config, 0, sizeof(struct config));
124 cfp = fopen(file_citadel_config, "rb");
126 rv = fread((char *) &config, sizeof(struct config), 1, cfp);
130 "Warning: The config file %s has unexpected size. \n",
137 brand_new_installation_set_defaults();
140 /* Ensure that we are linked to the correct version of libcitadel */
141 if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
142 fprintf(stderr, " You are running libcitadel version %d.%02d\n",
143 (libcitadel_version_number() / 100), (libcitadel_version_number() % 100));
144 fprintf(stderr, "citserver was compiled against version %d.%02d\n",
145 (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100));
146 exit(CTDLEXIT_LIBCITADEL);
149 /* Only allow LDAP auth mode if we actually have LDAP support */
151 if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) {
152 fprintf(stderr, "Your system is configured for LDAP authentication,\n"
153 "but you are running a server built without OpenLDAP support.\n");
154 exit(CTDL_EXIT_UNSUP_AUTH);
158 /* Default maximum message length is 10 megabytes. This is site
159 * configurable. Also check to make sure the limit has not been
160 * set below 8192 bytes.
162 if (config.c_maxmsglen <= 0)
163 config.c_maxmsglen = 10485760;
164 if (config.c_maxmsglen < 8192)
165 config.c_maxmsglen = 8192;
167 /* Default lower and upper limits on number of worker threads */
169 if (config.c_min_workers < 3) /* no less than 3 */
170 config.c_min_workers = 5;
172 if (config.c_max_workers == 0) /* default maximum */
173 config.c_max_workers = 256;
175 if (config.c_max_workers < config.c_min_workers) /* max >= min */
176 config.c_max_workers = config.c_min_workers;
178 /* Networking more than once every five minutes just isn't sane */
179 if (config.c_net_freq == 0L)
180 config.c_net_freq = 3600L; /* once per hour default */
181 if (config.c_net_freq < 300L)
182 config.c_net_freq = 300L;
184 /* Same goes for POP3 */
185 if (config.c_pop3_fetch == 0L)
186 config.c_pop3_fetch = 3600L; /* once per hour default */
187 if (config.c_pop3_fetch < 300L)
188 config.c_pop3_fetch = 300L;
189 if (config.c_pop3_fastest == 0L)
190 config.c_pop3_fastest = 3600L; /* once per hour default */
191 if (config.c_pop3_fastest < 300L)
192 config.c_pop3_fastest = 300L;
194 /* "create new user" only works with native authentication mode */
195 if (config.c_auth_mode != AUTHMODE_NATIVE) {
196 config.c_disable_newu = 1;
202 * Occasionally, we will need to write the config file, because some operations
203 * change site-wide parameters.
205 void put_config(void)
208 int blocks_written = 0;
210 if ((cfp = fopen(file_citadel_config, "w")) != NULL) {
211 blocks_written = fwrite((char *) &config, sizeof(struct config), 1, cfp);
212 if (blocks_written == 1) {
214 chown(file_citadel_config, CTDLUID, (-1));
215 chmod(file_citadel_config, 0600);
219 syslog(LOG_EMERG, "%s: %s", file_citadel_config, strerror(errno));