-/*
- * $Id$
- *
- * This function reads the citadel.config file. It should be called at
- * the beginning of EVERY Citadel program.
- *
- */
-
-#ifdef DLL_EXPORT
-#define IN_LIBCIT
-#endif
-
-#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;
-char ctdl_home_directory[PATH_MAX] = CTDLDIR;
-int home_specified = 0;
-
-/*
- * 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(home_specified ? ctdl_home_directory : CTDLDIR) != 0) {
- fprintf(stderr,
- "This program could not be started.\n"
- "Unable to change directory to %s\n"
- "Error: %s\n",
- (home_specified ? ctdl_home_directory : CTDLDIR),
- strerror(errno));
- exit(1);
- }
- cfp = fopen("citadel.config", "rb");
- if (cfp == NULL) {
- fprintf(stderr, "This program could not be started.\n"
- "Unable to open %s/citadel.config\n"
- "Error: %s\n",
- (home_specified ? ctdl_home_directory : CTDLDIR),
- strerror(errno));
- exit(1);
- }
- fread((char *) &config, sizeof(struct config), 1, cfp);
- if (fstat(fileno(cfp), &st)) {
- perror("citadel.config");
- exit(1);
- }
-#ifndef __CYGWIN__
- if (st.st_uid != CTDLUID || st.st_mode != (S_IFREG | S_IRUSR | S_IWUSR)) {
- fprintf(stderr, "check the permissions on citadel.config\n");
- exit(1);
- }
-#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- fprintf(stderr, "config: Your data files are out of date.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(1);
- }
-
- /* 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("citadel.config", "rb+")) == NULL)
- perror("citadel.config");
- else {
- fwrite((char *) &config, sizeof(struct config), 1, cfp);
- fclose(cfp);
- }
-}