-/*
- * $Id$
- *
- * This function reads the citadel.config file. It should be called at
- * the beginning of EVERY Citadel program.
- *
- */
-
-#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 "citadel.h"
-#include "server.h"
-#include "serv_extensions.h"
-#include "config.h"
-
-struct config config;
-
-/*
- * get_config() is called during the initialization of any program which
- * directly accesses Citadel data files. It verifies the system's integrity
- * and reads citadel.config into memory.
- */
-void get_config(void) {
- FILE *cfp;
- struct stat st;
-
- if (chdir(ctdl_bbsbase_dir) != 0) {
- fprintf(stderr,
- "This program could not be started.\n"
- "Unable to change directory to %s\n"
- "Error: %s\n",
- ctdl_bbsbase_dir,
- strerror(errno));
- exit(CTDLEXIT_HOME);
- }
- cfp = fopen(file_citadel_config, "rb");
- if (cfp == NULL) {
- fprintf(stderr, "This program could not be started.\n"
- "Unable to open %s\n"
- "Error: %s\n",
- file_citadel_config,
- strerror(errno));
- exit(CTDLEXIT_CONFIG);
- }
- fread((char *) &config, sizeof(struct config), 1, cfp);
- if (fstat(fileno(cfp), &st)) {
- perror(file_citadel_config);
- exit(CTDLEXIT_CONFIG);
- }
-#ifndef __CYGWIN__
- if (st.st_uid != CTDLUID) {
- fprintf(stderr, "%s must be owned by uid=%ld but %ld owns it!\n", file_citadel_config, CTDLUID, st.st_uid);
- exit(CTDLEXIT_CONFIG);
- }
- int desired_mode = (S_IFREG | S_IRUSR | S_IWUSR) ;
- if (st.st_mode != desired_mode) {
- fprintf(stderr, "%s must be set to permissions mode %03o but they are %03o\n",
- file_citadel_config, desired_mode, st.st_mode);
- exit(CTDLEXIT_CONFIG);
- }
-#endif
- fclose(cfp);
-
- if (config.c_setup_level < REV_MIN) {
- fprintf(stderr, "config: Your data files are out of date.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));
- fprintf(stderr,
- " Data files are currently at %d.%02d\n",
- (config.c_setup_level / 100),
- (config.c_setup_level % 100));
- exit(CTDLEXIT_OOD);
- }
-
- /* 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;
-}
-
-
-/*
- * Occasionally, we will need to write the config file, because some operations
- * change site-wide parameters.
- */
-void put_config(void)
-{
- FILE *cfp;
-
- if ((cfp = fopen(file_citadel_config, "rb+")) == NULL)
- perror(file_citadel_config);
- else {
- fwrite((char *) &config, sizeof(struct config), 1, cfp);
- fclose(cfp);
- }
-}