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  1. #include <iostream>
  2. #include <Windows.h>
  3. #include <wininet.h>
  4.  
  5.  
  6. BOOL EnableProxy(LPCSTR addr, UINT port, const std::wstring& issuer)
  7. {
  8.     INTERNET_PER_CONN_OPTION_LIST option_list;
  9.     INTERNET_PER_CONN_OPTION options[3];
  10.  
  11.     option_list.dwSize = sizeof(option_list);
  12.     option_list.pszConnection = NULL;
  13.     option_list.dwOptionCount = 3;
  14.     option_list.pOptions = options;
  15.  
  16.     options[0].dwOption = INTERNET_PER_CONN_FLAGS;
  17.     options[0].Value.dwValue = PROXY_TYPE_DIRECT | PROXY_TYPE_PROXY;
  18.  
  19.     char proxy_server[128];
  20.     _snprintf_s(proxy_server, sizeof(proxy_server) - 1, "%s:%d", addr, port);
  21.  
  22.     options[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
  23.     options[1].Value.pszValue = proxy_server;
  24.  
  25.     options[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;
  26.     options[2].Value.pszValue = (LPSTR)"localhost";
  27.  
  28.     if (InternetSetOption(nullptr, INTERNET_OPTION_PER_CONNECTION_OPTION, &option_list, option_list.dwSize) == TRUE)
  29.     {
  30.         const auto h_store = CertOpenSystemStoreA(0, "ROOT");
  31.         if (!issuer.empty() && h_store)
  32.         {
  33.             HINTERNET hint = InternetOpen(
  34.                     "WebTestClient",
  35.                     INTERNET_OPEN_TYPE_PRECONFIG,
  36.                     NULL,
  37.                     NULL,
  38.                     0);
  39.             if(hint)
  40.             {
  41.                 PCCERT_CONTEXT certContext = nullptr;
  42.                 while(true)
  43.                 {
  44.                     certContext = CertFindCertificateInStore(h_store,
  45.                                                              X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
  46.                                                              0,
  47.                                                              CERT_FIND_SUBJECT_STR_W,
  48.                                                              issuer.c_str(),
  49.                                                              certContext);
  50.                     if (certContext)
  51.                     {
  52.                         auto error = GetLastError();
  53.                         InternetSetOption(hint,
  54.                                           INTERNET_OPTION_CLIENT_CERT_CONTEXT,
  55.                                           (void *) certContext,
  56.                                           sizeof(CERT_CONTEXT));
  57.                         error = GetLastError();
  58.                         std::cerr << error << std::endl;
  59.                     }
  60.                     else
  61.                     {
  62.                         break;
  63.                     }
  64.                 }
  65.             }
  66.         }
  67.  
  68.         InternetSetOption(nullptr, INTERNET_OPTION_SETTINGS_CHANGED, nullptr, 0);
  69.         InternetSetOption(nullptr, INTERNET_OPTION_REFRESH, nullptr, 0);
  70.         return TRUE;
  71.     }
  72.     else
  73.     {
  74.         return FALSE;
  75.     }
  76. }
  77.  
  78. int main() 
  79. {
  80.     std::cout << "Hello, World!" << std::endl;
  81.     EnableProxy("localhost", 8080, L"My");
  82. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:2:10: fatal error: Windows.h: No such file or directory
 #include <Windows.h>
          ^~~~~~~~~~~
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/Pq5KfH
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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