| | 1 | // -*- mode: cpp; mode: fold -*- |
| | 2 | // Description /*{{{*/ |
| | 3 | /* ###################################################################### |
| | 4 | |
| | 5 | Proxy - Proxy releated functions |
| | 6 | |
| | 7 | ##################################################################### */ |
| | 8 | /*}}}*/ |
| | 9 | // Include Files /*{{{*/ |
| | 10 | #include<apt-pkg/configuration.h> |
| | 11 | #include<apt-pkg/error.h> |
| | 12 | #include<apt-pkg/fileutl.h> |
| | 13 | #include<apt-pkg/strutl.h> |
| | 14 | |
| | 15 | #include<iostream> |
| | 16 | #include <unistd.h> |
| | 17 | |
| | 18 | #include "proxy.h" |
| | 19 | /*}}}*/ |
| | 20 | |
| | 21 | // AutoDetectProxy - auto detect proxy /*{{{*/ |
| | 22 | // --------------------------------------------------------------------- |
| | 23 | /* */ |
| | 24 | bool AutoDetectProxy(URI &URL) |
| | 25 | { |
| | 26 | // we support both http/https debug options |
| | 27 | bool Debug = _config->FindB("Debug::Acquire::"+URL.Access,false); |
| | 28 | |
| | 29 | // the user already explicitly set a proxy for this host |
| | 30 | if(_config->Find("Acquire::"+URL.Access+"::proxy::"+URL.Host, "") != "") |
| | 31 | return true; |
| | 32 | |
| | 33 | // option is "Acquire::http::Proxy-Auto-Detect" but we allow the old |
| | 34 | // name without the dash ("-") |
| | 35 | std::string AutoDetectProxyCmd = _config->Find("Acquire::"+URL.Access+"::Proxy-Auto-Detect", |
| | 36 | _config->Find("Acquire::"+URL.Access+"::ProxyAutoDetect")); |
| | 37 | |
| | 38 | if (AutoDetectProxyCmd.empty()) |
| | 39 | return true; |
| | 40 | |
| | 41 | if (Debug) |
| | 42 | std::clog << "Using auto proxy detect command: " << AutoDetectProxyCmd << std::endl; |
| | 43 | |
| | 44 | std::string const urlstring = URL; |
| | 45 | std::vector<const char *> Args; |
| | 46 | Args.push_back(AutoDetectProxyCmd.c_str()); |
| | 47 | Args.push_back(urlstring.c_str()); |
| | 48 | Args.push_back(nullptr); |
| | 49 | FileFd PipeFd; |
| | 50 | pid_t Child; |
| | 51 | if(Popen(&Args[0], PipeFd, Child, FileFd::ReadOnly, false) == false) |
| | 52 | return _error->Error("ProxyAutoDetect command '%s' failed!", AutoDetectProxyCmd.c_str()); |
| | 53 | char buf[512]; |
| | 54 | bool const goodread = PipeFd.ReadLine(buf, sizeof(buf)) != nullptr; |
| | 55 | PipeFd.Close(); |
| | 56 | if (ExecWait(Child, "ProxyAutoDetect") == false) |
| | 57 | return false; |
| | 58 | // no output means the detector has no idea which proxy to use |
| | 59 | // and apt will use the generic proxy settings |
| | 60 | if (goodread == false) |
| | 61 | return true; |
| | 62 | auto const cleanedbuf = _strstrip(buf); |
| | 63 | // We warn about this as the implementor probably meant to use DIRECT instead |
| | 64 | if (cleanedbuf[0] == '\0') |
| | 65 | { |
| | 66 | _error->Warning("ProxyAutoDetect command returned an empty line"); |
| | 67 | return true; |
| | 68 | } |
| | 69 | |
| | 70 | if (Debug) |
| | 71 | std::clog << "auto detect command returned: '" << cleanedbuf << "'" << std::endl; |
| | 72 | |
| | 73 | if (strstr(cleanedbuf, URL.Access.c_str()) == cleanedbuf || strcmp(cleanedbuf, "DIRECT") == 0) |
| | 74 | _config->Set("Acquire::"+URL.Access+"::proxy::"+URL.Host, cleanedbuf); |
| | 75 | |
| | 76 | return true; |
| | 77 | } |
| | 78 | /*}}}*/ |
projects / apt.git / blame_incremental