#include <stdio.h>
#include <string.h>
#include <stdlib.h>
char sU[]="http://***.***.***user_login_qp.php?uid=%BF%BC%C0%AD&pwd=7faac35ae7dcaddca9ef0c1b1c50e68a&flag=Test";
char *getUrlParam(char *sUrl,char *sParam) {
char s[1024],*p,a[80];
int L,n,k;
static char v[80];
v[0]=0;
p=strchr(sUrl,'?');
if (!p) return v;
strncpy(s,p,1023);s[1023]=0;
s[0]='&';
a[0]='&';
strncpy(a+1,sParam,77);a[78]=0;
strcat(a,"=");
L=strlen(a);
p=strstr(s,a);
if (!p) return v;
p=p+L;
n=0;
while (1) {
if (p[n]=='&') {p[n]=0;break;}
if (p[n]==0) break;
if (n>=79) {p[n]=0;break;}
n++;
}
if (n>0) {
strcpy(a,p);
L=0;
p=a;
while (1) {
k=sscanf(p,"%%%2x",&n);
if (1==k) {
v[L++]=(char)n;
p+=3;
} else if (0==k) {
v[L++]=p[0];
p++;
} else break;
}
v[L]=0;
}
return v;
}
int main() {
printf("uid=%s\n",getUrlParam(sU,"uid"));
printf("pwd=%s\n",getUrlParam(sU,"pwd"));
printf("flag=%s\n",getUrlParam(sU,"flag"));
return 0;
}
//uid=考拉
//pwd=7faac35ae7dcaddca9ef0c1b1c50e68a
//flag=Test
