samplemodreplace.c

在线网络蜘蛛开源代码

/* OpenWebSpider
 *
 *  Author:     Stefano Alimonti aka Shen139
 *  Mail:       shen139 [at] openwebspider (dot) org
 *
 *
 * This file is part of OpenWebSpider
 *
 * 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.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/*


gcc -g -c sampleModReplace.c
gcc -g -shared -W1,-soname,sampleModReplace.so.0 -o sampleModReplace.so sampleModReplace.o -lc

*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "modHeader.h"

#ifndef MAXPACKETSIZE
 #define	MAXPACKETSIZE       200000
#endif


/* ReplaceStr
 * replaces all occurrences of a string(bus) with sub
 */
int ReplaceStr(char* string,char* strOut, char* bus, char* sub)
{
int x=0,y=0;
	
	strOut[0]=0;
	for(x=0;x<(signed)strlen(string);x++)
	{
		if(strnicmp(string+x,bus,strlen(bus))==0)
		{
			strcat(strOut,sub);
			x+=strlen(bus)-1;
			y+=strlen(sub);
			continue;
		}

		strOut[y++]=string[x];
		strOut[y]=0;
			
	}

return 1;
}

int modFilter (struct functArg* arg)
{
char textTmp[MAXPACKETSIZE];

	if(arg)
	{
		/* strlen(arg->text)<MAXPACKETSIZE */
		strcpy(textTmp,arg->text);

    /* Replace all occurrences of "shen139" with "931nehs" */
		ReplaceStr(textTmp,arg->text,"shen139","931nehs");
		return 1;
	}

return 0;
}

int modInitFilter (char* hostname, char* error)
{
	return 1;
}