X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/be20eef52da4b7f361333ea70a8d705a98ae779e..98136088cd0f111938b9a896395cae36d972d019:/methods/http.cc diff --git a/methods/http.cc b/methods/http.cc index ed6e3517d..f2a4a4db6 100644 --- a/methods/http.cc +++ b/methods/http.cc @@ -34,6 +34,7 @@ #include #include #include +#include #include #include @@ -45,6 +46,7 @@ #include #include #include +#include #include "config.h" #include "connect.h" @@ -303,6 +305,7 @@ bool HttpServerState::Open() Persistent = true; // Determine the proxy setting + AutoDetectProxy(ServerName); string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host); if (!SpecificProxy.empty()) { @@ -667,22 +670,13 @@ void HttpMethod::SendReq(FetchItem *Itm) URI Uri = Itm->Uri; // The HTTP server expects a hostname with a trailing :port - char Buf[1000]; + std::stringstream Req; string ProperHost; if (Uri.Host.find(':') != string::npos) ProperHost = '[' + Uri.Host + ']'; else ProperHost = Uri.Host; - if (Uri.Port != 0) - { - sprintf(Buf,":%u",Uri.Port); - ProperHost += Buf; - } - - // Just in case. - if (Itm->Uri.length() >= sizeof(Buf)) - abort(); /* RFC 2616 §5.1.2 requires absolute URIs for requests to proxies, but while its a must for all servers to accept absolute URIs, @@ -701,27 +695,20 @@ void HttpMethod::SendReq(FetchItem *Itm) in 1.1, can cause problems with proxies, and we are an HTTP/1.1 client anyway. C.f. https://tools.ietf.org/wg/httpbis/trac/ticket/158 */ - sprintf(Buf,"GET %s HTTP/1.1\r\nHost: %s\r\n", - requesturi.c_str(),ProperHost.c_str()); + Req << "GET " << requesturi << " HTTP/1.1\r\n"; + if (Uri.Port != 0) + Req << "Host: " << ProperHost << ":" << Uri.Port << "\r\n"; + else + Req << "Host: " << ProperHost << "\r\n"; // generate a cache control header (if needed) - if (_config->FindB("Acquire::http::No-Cache",false) == true) - { - strcat(Buf,"Cache-Control: no-cache\r\nPragma: no-cache\r\n"); - } - else - { - if (Itm->IndexFile == true) - { - sprintf(Buf+strlen(Buf),"Cache-Control: max-age=%u\r\n", - _config->FindI("Acquire::http::Max-Age",0)); - } - else - { - if (_config->FindB("Acquire::http::No-Store",false) == true) - strcat(Buf,"Cache-Control: no-store\r\n"); - } - } + if (_config->FindB("Acquire::http::No-Cache",false) == true) + Req << "Cache-Control: no-cache\r\n" + << "Pragma: no-cache\r\n"; + else if (Itm->IndexFile == true) + Req << "Cache-Control: max-age=" << _config->FindI("Acquire::http::Max-Age",0) << "\r\n"; + else if (_config->FindB("Acquire::http::No-Store",false) == true) + Req << "Cache-Control: no-store\r\n"; // If we ask for uncompressed files servers might respond with content- // negotiation which lets us end up with compressed files we do not support, @@ -733,46 +720,35 @@ void HttpMethod::SendReq(FetchItem *Itm) size_t const filepos = Itm->Uri.find_last_of('/'); string const file = Itm->Uri.substr(filepos + 1); if (flExtension(file) == file) - strcat(Buf,"Accept: text/*\r\n"); + Req << "Accept: text/*\r\n"; } - string Req = Buf; - - // Check for a partial file + // Check for a partial file and send if-queries accordingly struct stat SBuf; if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0) - { - // In this case we send an if-range query with a range header - sprintf(Buf,"Range: bytes=%lli-\r\nIf-Range: %s\r\n",(long long)SBuf.st_size, - TimeRFC1123(SBuf.st_mtime).c_str()); - Req += Buf; - } - else - { - if (Itm->LastModified != 0) - { - sprintf(Buf,"If-Modified-Since: %s\r\n",TimeRFC1123(Itm->LastModified).c_str()); - Req += Buf; - } - } + Req << "Range: bytes=" << SBuf.st_size << "-\r\n" + << "If-Range: " << TimeRFC1123(SBuf.st_mtime) << "\r\n"; + else if (Itm->LastModified != 0) + Req << "If-Modified-Since: " << TimeRFC1123(Itm->LastModified).c_str() << "\r\n"; if (Server->Proxy.User.empty() == false || Server->Proxy.Password.empty() == false) - Req += string("Proxy-Authorization: Basic ") + - Base64Encode(Server->Proxy.User + ":" + Server->Proxy.Password) + "\r\n"; + Req << "Proxy-Authorization: Basic " + << Base64Encode(Server->Proxy.User + ":" + Server->Proxy.Password) << "\r\n"; maybe_add_auth (Uri, _config->FindFile("Dir::Etc::netrc")); if (Uri.User.empty() == false || Uri.Password.empty() == false) - { - Req += string("Authorization: Basic ") + - Base64Encode(Uri.User + ":" + Uri.Password) + "\r\n"; - } - Req += "User-Agent: " + _config->Find("Acquire::http::User-Agent", - "Debian APT-HTTP/1.3 (" PACKAGE_VERSION ")") + "\r\n\r\n"; - + Req << "Authorization: Basic " + << Base64Encode(Uri.User + ":" + Uri.Password) << "\r\n"; + + Req << "User-Agent: " << _config->Find("Acquire::http::User-Agent", + "Debian APT-HTTP/1.3 (" PACKAGE_VERSION ")") << "\r\n"; + + Req << "\r\n"; + if (Debug == true) - cerr << Req << endl; + cerr << Req.str() << endl; - Server->WriteResponse(Req); + Server->WriteResponse(Req.str()); } /*}}}*/ // HttpMethod::Configuration - Handle a configuration message /*{{{*/ @@ -788,66 +764,6 @@ bool HttpMethod::Configuration(string Message) PipelineDepth); Debug = _config->FindB("Debug::Acquire::http",false); - // Get the proxy to use - AutoDetectProxy(); - - return true; -} - /*}}}*/ -// HttpMethod::AutoDetectProxy - auto detect proxy /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool HttpMethod::AutoDetectProxy() -{ - // option is "Acquire::http::Proxy-Auto-Detect" but we allow the old - // name without the dash ("-") - AutoDetectProxyCmd = _config->Find("Acquire::http::Proxy-Auto-Detect", - _config->Find("Acquire::http::ProxyAutoDetect")); - - if (AutoDetectProxyCmd.empty()) - return true; - - if (Debug) - clog << "Using auto proxy detect command: " << AutoDetectProxyCmd << endl; - - int Pipes[2] = {-1,-1}; - if (pipe(Pipes) != 0) - return _error->Errno("pipe", "Failed to create Pipe"); - - pid_t Process = ExecFork(); - if (Process == 0) - { - close(Pipes[0]); - dup2(Pipes[1],STDOUT_FILENO); - SetCloseExec(STDOUT_FILENO,false); - - const char *Args[2]; - Args[0] = AutoDetectProxyCmd.c_str(); - Args[1] = 0; - execv(Args[0],(char **)Args); - cerr << "Failed to exec method " << Args[0] << endl; - _exit(100); - } - char buf[512]; - int InFd = Pipes[0]; - close(Pipes[1]); - int res = read(InFd, buf, sizeof(buf)-1); - ExecWait(Process, "ProxyAutoDetect", true); - - if (res < 0) - return _error->Errno("read", "Failed to read"); - if (res == 0) - return _error->Warning("ProxyAutoDetect returned no data"); - - // add trailing \0 - buf[res] = 0; - - if (Debug) - clog << "auto detect command returned: '" << buf << "'" << endl; - - if (strstr(buf, "http://") == buf) - _config->Set("Acquire::http::proxy", _strstrip(buf)); - return true; } /*}}}*/