saop/config.c

/**
 * saop: smtp authentication over pop3
 * Copyright (C) 2007 Juan José Gutiérrez de Quevedo <juanjo@iteisa.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * @author Juan José Gutiérrez de Quevedo <juanjo@iteisa.com>
 */
#include "config.h"

void read_config(char *file,struct config_t *config)
{
  char line[1024]={0};
  FILE *f;
  unsigned long i,j;

  if(NULL==(f=fopen(file,"r")))
  {
    printf("No config file found, continuing with defaults.\n");
    return;
  }
  while(!feof(f))
  {
    fgets(line,sizeof(line),f);
    if(!feof(f)&&'#'!=line[0]&&'\0'!=line[0]&&'\r'!=line[0]&&'\n'!=line[0])
    {
      for(i=0,j=0;i<strlen(line);i++)
        if(!isspace(line[i])&&'\r'!=line[i]&&'\n'!=line[i])
          line[j++]=line[i];
      line[j]='\0';
      #define PROCESS_CONFIG_OPTION_STR(x) if(!cmp(line,#x "=")) strncpy(config->x,line+strlen(#x "="),sizeof(config->x)); else
      #define PROCESS_CONFIG_OPTION_INT(x) if(!cmp(line,#x "=")) config->x=atoi(line+strlen(#x "=")); else
      #define PROCESS_CONFIG_OPTION_BOOL(x) if(!cmp(line,#x "=")) config->x=cmp(line+strlen(#x "="),"true")?0:1; else
      #ifndef WIN32
      PROCESS_CONFIG_OPTION_BOOL(background)
      PROCESS_CONFIG_OPTION_BOOL(drop_privileges)
      PROCESS_CONFIG_OPTION_STR(user)
      PROCESS_CONFIG_OPTION_STR(group)
      PROCESS_CONFIG_OPTION_STR(chroot)
      #endif /* WIN32 */
      PROCESS_CONFIG_OPTION_INT(listen_port)
      PROCESS_CONFIG_OPTION_STR(smtp_server)
      PROCESS_CONFIG_OPTION_INT(smtp_port)
      PROCESS_CONFIG_OPTION_STR(auth_server)
      PROCESS_CONFIG_OPTION_INT(auth_port)
      PROCESS_CONFIG_OPTION_STR(auth_file)
      PROCESS_CONFIG_OPTION_STR(local_domains)
      PROCESS_CONFIG_OPTION_STR(auth_method)
      printf("Option line %s not recognized\n",line); /* keep in mind this line comes after an else, so it won't get executed normally */
    }
  }
  fclose(f);
}