setip.cgi.c

uclinux下用cgi 实现直流电机控制

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>


int main()
{
	char *lenstr;
	char *string="textfield=";
	//char ip[]="ifconfig eth0 ";
	char *a;
	char arg1[20];
	char input[1024];
	//char *ip="192.168.18.120";
	printf("Content-Type:text/html\n\n");
	printf("<TITLE>设置系统IP地址</TITLE>\n");
	printf("<HR>");
	lenstr = getenv("CONTENT_LENGTH");
	if(!lenstr)
	printf("<P>Sorry..\n</P>");
	else{
	fgets(input,1024,stdin);
	//printf("<P>%s\n",input);
	if(memcmp(input,string,10)==0){
	//printf("<P>find ip\n");
	}
	a = strstr(input,string);
	sscanf(a,"%*[^=]=%[^&]",&arg1);
	//printf("%s\n\n",&arg1);
	execlp("ifconfig","ifconfig","eth0","192.168.18.118",(char *)0);
	printf("<P>您已经成功设置了系统的IP地址！</P>");
	printf("<P>您设置系统的IP地址:%s</P>",arg1);
	printf("</br>");
	printf("<a href=../sys_form.html>返回首页</a>");
	}
	
	
}