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citadel  8.12
Functions
config.c File Reference
#include "sysdep.h"
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <limits.h>
#include <sys/utsname.h>
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "config.h"
#include "ctdl_module.h"

Go to the source code of this file.

Functions

void brand_new_installation_set_defaults (void)
void get_config (void)
void put_config (void)

Function Documentation

Definition at line 35 of file config.c.

                                               {

       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... */
       extract_token(config.c_nodename, my_utsname.nodename, 0, '.', sizeof 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);
              }
              else {
                     safestrncpy(config.c_fqdn, my_utsname.nodename, sizeof config.c_fqdn);
              }
       }

       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, "<more>", 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 (config.c_ctdluid == 0) {
              pw = getpwnam("bbs");
              if (pw != NULL) {
                     config.c_ctdluid = pw->pw_uid;
              }
       }
       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;
}

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void get_config ( void  )

Definition at line 110 of file config.c.

                      {
       FILE *cfp;
       int rv;

       if (chdir(ctdl_bbsbase_dir) != 0) {
              fprintf(stderr,
                     "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;
       }
}

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void put_config ( void  )

Definition at line 205 of file config.c.

{
       FILE *cfp;
       int blocks_written = 0;

       if ((cfp = fopen(file_citadel_config, "w")) != NULL) {
              blocks_written = fwrite((char *) &config, sizeof(struct config), 1, cfp);
              if (blocks_written == 1) {
                     fclose(cfp);
                     chown(file_citadel_config, CTDLUID, (-1));
                     chmod(file_citadel_config, 0600);
                     return;
              }
       }
       syslog(LOG_EMERG, "%s: %s", file_citadel_config, strerror(errno));
}

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