X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fconfig.c;h=cc48c8d11c7f3a586e5650d178e0a01e04a2595c;hb=f1e560dd30dbb9b28495d70d3880e509ba54ba73;hp=e738ff57dcebec0802b9b3c8d3da3edfdf396f7a;hpb=31e051fe34b06c9d21043ae9220342b20f7b3e15;p=citadel.git diff --git a/citadel/config.c b/citadel/config.c index e738ff57d..cc48c8d11 100644 --- a/citadel/config.c +++ b/citadel/config.c @@ -1,8 +1,15 @@ /* - * This function reads the citadel.config file. It should be called at - * the beginning of EVERY Citadel program. + * Read and write the citadel.config file * - * $Id$ + * Copyright (c) 1987-2012 by the citadel.org team + * + * This program is open source software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. */ #include "sysdep.h" @@ -13,68 +20,201 @@ #include #include #include +#include +#include #include "citadel.h" +#include "server.h" #include "config.h" +#include "ctdl_module.h" struct config config; -char bbs_home_directory[PATH_MAX]; -int home_specified = 0; -void get_config(void) { - FILE *cfp; - struct stat st; +/* + * Put some sane default values into our configuration. Some will be overridden when we run setup. + */ +void brand_new_installation_set_defaults(void) { - if (chdir( home_specified ? bbs_home_directory : BBSDIR ) != 0) { - fprintf(stderr, "Cannot start.\nThere is no Citadel installation in %s\n%s\n", - (home_specified ? bbs_home_directory : BBSDIR), - strerror(errno)); - exit(1); + struct passwd *pw; + struct utsname my_utsname; + struct hostent *he; + + /* Determine our host name, in case we need to use it as a default */ + uname(&my_utsname); + + /* set some sample/default values in place of blanks... */ + char c_nodename[256]; + safestrncpy(c_nodename, my_utsname.nodename, sizeof c_nodename); + strtok(config.c_nodename, "."); + if (IsEmptyStr(config.c_fqdn) ) { + if ((he = gethostbyname(my_utsname.nodename)) != NULL) { + safestrncpy(config.c_fqdn, he->h_name, sizeof config.c_fqdn); } - cfp=fopen("citadel.config","rb"); - if (cfp==NULL) { - fprintf(stderr, "Cannot start.\n"); - fprintf(stderr, "There is no citadel.config in %s\n%s\n", - (home_specified ? bbs_home_directory : BBSDIR), - strerror(errno)); - exit(1); + else { + safestrncpy(config.c_fqdn, my_utsname.nodename, sizeof config.c_fqdn); } - fread((char *)&config,sizeof(struct config),1,cfp); - if (fstat(fileno(cfp), &st)) { - perror("citadel.config"); - exit(1); + } + + safestrncpy(config.c_humannode, "Citadel Server", sizeof config.c_humannode); + safestrncpy(config.c_phonenum, "US 800 555 1212", sizeof config.c_phonenum); + config.c_initax = 4; + safestrncpy(config.c_moreprompt, "", sizeof config.c_moreprompt); + safestrncpy(config.c_twitroom, "Trashcan", sizeof config.c_twitroom); + safestrncpy(config.c_baseroom, BASEROOM, sizeof config.c_baseroom); + safestrncpy(config.c_aideroom, "Aide", sizeof config.c_aideroom); + config.c_port_number = 504; + config.c_sleeping = 900; + config.c_instant_expunge = 1; + + if (config.c_ctdluid == 0) { + pw = getpwnam("citadel"); + if (pw != NULL) { + config.c_ctdluid = pw->pw_uid; } - if (st.st_uid != BBSUID || st.st_mode != (S_IFREG | S_IRUSR | S_IWUSR)) - { - fprintf(stderr, "check the permissions on citadel.config\n"); - exit(1); + } + if (config.c_ctdluid == 0) { + pw = getpwnam("bbs"); + if (pw != NULL) { + config.c_ctdluid = pw->pw_uid; } - fclose(cfp); - if ( (config.c_setup_level / 10) != (REV_LEVEL/10) ) { - fprintf(stderr, "config: Your data files are out of date. "); - fprintf(stderr, "Run setup to update them.\n"); - fprintf(stderr, - " This program requires level %d.%02d\n", - (REV_LEVEL / 100), (REV_LEVEL % 100) ); + } + if (config.c_ctdluid == 0) { + pw = getpwnam("guest"); + if (pw != NULL) { + config.c_ctdluid = pw->pw_uid; + } + } + if (config.c_createax == 0) { + config.c_createax = 3; + } + + /* + * Default port numbers for various services + */ + config.c_smtp_port = 25; + config.c_pop3_port = 110; + config.c_imap_port = 143; + config.c_msa_port = 587; + config.c_smtps_port = 465; + config.c_pop3s_port = 995; + config.c_imaps_port = 993; + config.c_pftcpdict_port = -1 ; + config.c_managesieve_port = 2020; + config.c_xmpp_c2s_port = 5222; + config.c_xmpp_s2s_port = 5269; +} + + + +/* + * get_config() is called during the initialization of Citadel server. + * It verifies the system's integrity and reads citadel.config into memory. + */ +void get_config(void) { + FILE *cfp; + int rv; + + if (chdir(ctdl_bbsbase_dir) != 0) { fprintf(stderr, - " Data files are currently at %d.%02d\n", - (config.c_setup_level / 100), - (config.c_setup_level % 100) ); - exit(1); + "This program could not be started.\nUnable to change directory to %s\nError: %s\n", + ctdl_bbsbase_dir, + strerror(errno) + ); + exit(CTDLEXIT_HOME); + } + + memset(&config, 0, sizeof(struct config)); + cfp = fopen(file_citadel_config, "rb"); + if (cfp != NULL) { + rv = fread((char *) &config, sizeof(struct config), 1, cfp); + if (rv != 1) + { + fprintf(stderr, + "Warning: The config file %s has unexpected size. \n", + file_citadel_config); } + fclose(cfp); + } + else { + brand_new_installation_set_defaults(); + } + + /* Ensure that we are linked to the correct version of libcitadel */ + if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) { + fprintf(stderr, " You are running libcitadel version %d.%02d\n", + (libcitadel_version_number() / 100), (libcitadel_version_number() % 100)); + fprintf(stderr, "citserver was compiled against version %d.%02d\n", + (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100)); + exit(CTDLEXIT_LIBCITADEL); + } + + /* Only allow LDAP auth mode if we actually have LDAP support */ +#ifndef HAVE_LDAP + if ((config.c_auth_mode == AUTHMODE_LDAP) || (config.c_auth_mode == AUTHMODE_LDAP_AD)) { + fprintf(stderr, "Your system is configured for LDAP authentication,\n" + "but you are running a server built without OpenLDAP support.\n"); + exit(CTDL_EXIT_UNSUP_AUTH); + } +#endif + + /* Default maximum message length is 10 megabytes. This is site + * configurable. Also check to make sure the limit has not been + * set below 8192 bytes. + */ + if (config.c_maxmsglen <= 0) + config.c_maxmsglen = 10485760; + if (config.c_maxmsglen < 8192) + config.c_maxmsglen = 8192; + + /* Default lower and upper limits on number of worker threads */ + + if (config.c_min_workers < 3) /* no less than 3 */ + config.c_min_workers = 5; + + if (config.c_max_workers == 0) /* default maximum */ + config.c_max_workers = 256; + + if (config.c_max_workers < config.c_min_workers) /* max >= min */ + config.c_max_workers = config.c_min_workers; + + /* Networking more than once every five minutes just isn't sane */ + if (config.c_net_freq == 0L) + config.c_net_freq = 3600L; /* once per hour default */ + if (config.c_net_freq < 300L) + config.c_net_freq = 300L; + + /* Same goes for POP3 */ + if (config.c_pop3_fetch == 0L) + config.c_pop3_fetch = 3600L; /* once per hour default */ + if (config.c_pop3_fetch < 300L) + config.c_pop3_fetch = 300L; + if (config.c_pop3_fastest == 0L) + config.c_pop3_fastest = 3600L; /* once per hour default */ + if (config.c_pop3_fastest < 300L) + config.c_pop3_fastest = 300L; + + /* "create new user" only works with native authentication mode */ + if (config.c_auth_mode != AUTHMODE_NATIVE) { + config.c_disable_newu = 1; } +} /* * Occasionally, we will need to write the config file, because some operations * change site-wide parameters. */ -void put_config(void) { +void put_config(void) +{ FILE *cfp; - - if ((cfp = fopen("citadel.config", "rb+")) == NULL) - perror("citadel.config"); + int rv; + + if ((cfp = fopen(file_citadel_config, "rb+")) == NULL) + perror(file_citadel_config); else { - fwrite((char *)&config, sizeof(struct config), 1, cfp); + rv = fwrite((char *) &config, sizeof(struct config), 1, cfp); + if (rv == -1) + syslog(LOG_EMERG, "Failed to write: %s [%s]\n", + file_citadel_config, strerror(errno)); fclose(cfp); - } } +}