/***************************************************************************                          read_cfg.c  -  description                             -------------------    begin                : Tue May  15 10:30:03 EET 2001    copyright            : (C) 2001-2002 by Petri Turunen    email                : petri.turunen@pete.fi.eu.org  ***************************************************************************//*************************************************************************** *                                                                         * *   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; either version 2 of the License, or     * *   (at your option) any later version.                                   * *                                                                         * ***************************************************************************/#include <stdio.h>#include <string.h>#include <stdlib.h>#include "lparser.h"//Private functionschar *parseword(char *ptr2,cfgKeywordValue word_type);//Global variablesint process_stat = 0;extern unsigned char CRYPTIV[];extern char CRYPTKEY[];extern char SERVER_IP[];  //defined in linux_mon.cextern char SERVER_PORT[];  //defined in linux_mon.cextern char LOCALHOSTN[]; //defined in linux_mon.cextern char PIDDIR[]; //defined in linux_mon.cint server_read=0;int read_confd(char *filename){FILE *fp;char *ptr="";char *word="";char SECTION[53]="\0";char PARAMETER[53]="\0";char buf[128];int len=0;int process_total=0;//int tmp=0;fp=fopen(filename,"r");if(fp==NULL){slog(2,"FATAL ERROR: while opening config file: %s",filename);return -1;}while(fgets(buf,128,fp)!=NULL){word = rm_first_spaces(buf);if(is_comment(word)){if(*word=='<'){if((ptr = parseword(word,CFG_SECTION)) == NULL){ slog(2,"ERROR: NULL section value.\n"); free(ptr); fclose(fp); return -1;}strncpy(SECTION,ptr,50);if(ptr!=NULL) free(ptr);}//We have found some section//Lets see if we can use itif(process_stat==2 && *SECTION!='<') //are we realy in section{   if(strcmp(SECTION,"GENERAL")==0)//lets parse GENERAL section   {        word = rm_first_spaces(word);        if((ptr = parseword(word,CFG_PARAMETER)) == NULL)        {                slog(2,"ERROR: NULL parameter value.\n");                slog(2,"ERROR: Check config file.\n");                free(ptr);                fclose(fp);                return(-1);        }         strncpy(PARAMETER,ptr,51);        free(ptr);        word = rm_first_spaces(word);        if((ptr = parseword(word,CFG_VALUE)) == NULL)        {                slog(2,"ERROR: NULL parameter value.\n");                slog(2,"ERROR: Check config file.\n");                fclose(fp);                return(-1);        }        //printf("VALUE: %s\n",ptr); //DEBUG        if(strcmp(PARAMETER,"SERVERIP")==0)        {                len=strlen(ptr);                *(ptr+len)='\0';                if(len>29)                 len=29;                strncpy(SERVER_IP,ptr,len);        }	        if(strcmp(PARAMETER,"LOCALHOST")==0)        {                len=strlen(ptr);                *(ptr+len)='\0';                if(len>20)                 len=20;                strncpy(LOCALHOSTN,ptr,len);        }        if(strcmp(PARAMETER,"SERVERPORT")==0)        {                if(ptr!=NULL)                {                 len=strlen(ptr);                 if(len>6)                  len=6;                 strncpy(SERVER_PORT,ptr,len);                } else {                 strcpy(SERVER_PORT,"8881");                }        }        if(strcmp(PARAMETER,"PIDDIR")==0)        {                if(ptr!=NULL)                {                 len=strlen(ptr);                 if(len>20)                  len=20;                 strncpy(PIDDIR,ptr,len);                } else {                 strcpy(PIDDIR,"/var/run");                }        }	if(strcmp(PARAMETER,"CRYPTKEY")==0)        {         if(ptr!=NULL)         {          len=strlen(ptr);          if(len>16)           len=16;          strncpy(CRYPTKEY,ptr,len);         } else {          slog(1,"ERROR no CRYPTKEY defined!");          strcpy(CRYPTKEY,"NO KEY PROVIDED");         }        }	if(strcmp(PARAMETER,"CRYPTIV")==0)        {         if(ptr!=NULL)         {          len=strlen(ptr);          if(len>8)           len=8;          strncpy(CRYPTIV,ptr,len);         } else {          slog(1,"ERROR no CRYPTIV defined!");          strcpy(CRYPTIV,"NO IV");         }	}   }//Ends GENERAL section reading}//Section processing ends}//is_comment endsif(process_stat==1) //go to section processing	process_stat++;}//while endsserver_read=0;fclose(fp);return process_total;}//main endschar *parseword(char *ptr2,cfgKeywordValue word_type){int len=0;char *word2; if(*(ptr2+len)=='<') {	ptr2++;        if (*(ptr2+len)=='/')        {                process_stat = 0; //section close        } else {                process_stat = 1; //section open        } }	for(;;)	{		if (*(ptr2+len)==' ' || *(ptr2+len)=='\t' || *(ptr2+len)=='\0' || *(ptr2+len)=='#' || (*(ptr2+len)=='=' && word_type==CFG_PARAMETER) || (*(ptr2+len)=='>' && word_type==CFG_SECTION) || (*(ptr2+len)=='=' && word_type==CFG_VALUE))		{                 break;        	}		len++;	}//for ends	ptr2=rm_first_spaces(ptr2);	//printf("PTR2: %s\n", ptr2); //DEBUG	//printf("cpycpy  LEN: %d\n", len); //DEBUG		if((word2=malloc(len+1))==NULL){		slog(2,"ERROR: Out of memory.\n");                return NULL;        }	strncpy(word2,ptr2,len);		*(word2+len)='\0';		//printf("WORD: %s\n", word2); //DEBUG	//printf("LEN: %d\n", len); //DEBUG		ptr2+=len;	ptr2=rm_first_spaces(ptr2);	switch(word_type){                case CFG_PARAMETER:			ptr2=rm_first_spaces(ptr2);			//printf("PARA: %s\n", ptr2); //DEBUG			if(*ptr2=='='){                                return word2;                        }                        break;                case CFG_VALUE:			ptr2=rm_first_spaces(ptr2);                        if(*ptr2!='\0' && *ptr2!='#'){			if(*ptr2=='='){				ptr2++;				 ptr2=rm_first_spaces(ptr2);				 len = strlen(ptr2);				 *(ptr2+len-1)='\0';				ptr2=rm_first_spaces(ptr2);				free(word2);                                return ptr2;			}                        }                        break;                case CFG_SECTION:			//ptr2+=len;			ptr2=rm_first_spaces(ptr2);                        if(*ptr2=='>')			{                        if (word2 != NULL)				return word2;			}			break;                default:			free(word2);                        return NULL;        }        //return ptr2;	free(word2);	return NULL;}//parseword ends