provide public interface to hold/unhold packages

[apt.git] / cmdline / apt-helper.cc

diff --git a/cmdline/apt-helper.cc b/cmdline/apt-helper.cc
index 2c1107d9053e7845acaee798ac00541c87b2312b..dc4efb32b1ea7d5f1157de695e8cbc058487287c 100644 (file)
--- a/cmdline/apt-helper.cc
+++ b/cmdline/apt-helper.cc
@@ -16,11 +16,13 @@
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire.h>
 #include <apt-pkg/acquire-item.h>
+#include <apt-pkg/proxy.h>
 
 #include <apt-private/acqprogress.h>
 #include <apt-private/private-output.h>
 #include <apt-private/private-download.h>
 #include <apt-private/private-cmndline.h>
+#include <apt-pkg/srvrec.h>
 
 #include <iostream>
 #include <string>
@@ -29,34 +31,84 @@
 #include <apti18n.h>
                                                                        /*}}}*/
 
+static bool DoAutoDetectProxy(CommandLine &CmdL)
+{
+   if (CmdL.FileSize() != 2)
+      return _error->Error(_("Need one URL as argument"));
+   URI ServerURL(CmdL.FileList[1]);
+   AutoDetectProxy(ServerURL);
+   std::string SpecificProxy = _config->Find("Acquire::"+ServerURL.Access+"::Proxy::" + ServerURL.Host);
+   ioprintf(std::cout, "Using proxy '%s' for URL '%s'\n",
+            SpecificProxy.c_str(), std::string(ServerURL).c_str());
+
+   return true;
+}
+
 static bool DoDownloadFile(CommandLine &CmdL)
 {
    if (CmdL.FileSize() <= 2)
       return _error->Error(_("Must specify at least one pair url/filename"));
 
+   AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
+   pkgAcquire Fetcher(&Stat);
+
+   size_t fileind = 0;
+   std::vector<std::string> targetfiles;
+   while (fileind + 2 <= CmdL.FileSize())
+   {
+      std::string download_uri = CmdL.FileList[fileind + 1];
+      std::string targetfile = CmdL.FileList[fileind + 2];
+      std::string hash;
+      if (CmdL.FileSize() > fileind + 3)
+        hash = CmdL.FileList[fileind + 3];
+      // we use download_uri as descr and targetfile as short-descr
+      new pkgAcqFile(&Fetcher, download_uri, hash, 0, download_uri, targetfile,
+           "dest-dir-ignored", targetfile);
+      targetfiles.push_back(targetfile);
+      fileind += 3;
+   }
 
-   pkgAcquire Fetcher;
-   AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0));
-   Fetcher.Setup(&Stat);
-   std::string download_uri = CmdL.FileList[1];
-   std::string targetfile = CmdL.FileList[2];
-   std::string hash;
-   if (CmdL.FileSize() > 3)
-      hash = CmdL.FileList[3];
-   new pkgAcqFile(&Fetcher, download_uri, hash, 0, "desc", "short-desc", 
-                  "dest-dir-ignored", targetfile);
-   Fetcher.Run();
    bool Failed = false;
-   if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true ||
-        FileExists(targetfile) == false)
+   if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
       return _error->Error(_("Download Failed"));
+   if (targetfiles.empty() == false)
+      for (std::vector<std::string>::const_iterator f = targetfiles.begin(); f != targetfiles.end(); ++f)
+        if (FileExists(*f) == false)
+           return _error->Error(_("Download Failed"));
+
+   return true;
+}
+
+static bool DoSrvLookup(CommandLine &CmdL)
+{
+   if (CmdL.FileSize() <= 1)
+      return _error->Error("Must specify at least one SRV record");
+
+   for(size_t i = 1; CmdL.FileList[i] != NULL; ++i)
+   {
+      std::vector<SrvRec> srv_records;
+      std::string const name = CmdL.FileList[i];
+      c0out << "# Target\tPriority\tWeight\tPort # for " << name << std::endl;
+      size_t const found = name.find(":");
+      if (found != std::string::npos)
+      {
+        std::string const host = name.substr(0, found);
+        size_t const port = atoi(name.c_str() + found + 1);
+        if(GetSrvRecords(host, port, srv_records) == false)
+           _error->Error(_("GetSrvRec failed for %s"), name.c_str());
+      }
+      else if(GetSrvRecords(name, srv_records) == false)
+        _error->Error(_("GetSrvRec failed for %s"), name.c_str());
+
+      for (SrvRec const &I : srv_records)
+        c1out << I.target << "\t" << I.priority << "\t" << I.weight << "\t" << I.port << std::endl;
+   }
    return true;
 }
 
 static bool ShowHelp(CommandLine &)
 {
-   ioprintf(std::cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
-           COMMON_ARCH,__DATE__,__TIME__);
+   ioprintf(std::cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
 
    if (_config->FindB("version") == true)
      return true;
@@ -69,6 +121,8 @@ static bool ShowHelp(CommandLine &)
       "\n"
       "Commands:\n"
       "   download-file - download the given uri to the target-path\n"
+      "   srv-lookup - lookup a SRV record (e.g. _http._tcp.ftp.debian.org)\n"
+      "   auto-detect-proxy - detect proxy using apt.conf\n"
       "\n"
       "                       This APT helper has Super Meep Powers.\n");
    return true;
@@ -79,6 +133,8 @@ int main(int argc,const char *argv[])                                        /*{{{*/
 {
    CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
                                   {"download-file", &DoDownloadFile},
+                                  {"srv-lookup", &DoSrvLookup},
+                                  {"auto-detect-proxy", &DoAutoDetectProxy},
                                    {0,0}};
 
    std::vector<CommandLine::Args> Args = getCommandArgs(
@@ -89,25 +145,8 @@ int main(int argc,const char *argv[])                                       /*{{{*/
    textdomain(PACKAGE);
 
    // Parse the command line and initialize the package library
-   CommandLine CmdL(Args.data(),_config);
-   if (pkgInitConfig(*_config) == false ||
-       CmdL.Parse(argc,argv) == false ||
-       pkgInitSystem(*_config,_system) == false)
-   {
-      if (_config->FindB("version") == true)
-        ShowHelp(CmdL);
-      _error->DumpErrors();
-      return 100;
-   }
-
-   // See if the help should be shown
-   if (_config->FindB("help") == true ||
-       _config->FindB("version") == true ||
-       CmdL.FileSize() == 0)
-   {
-      ShowHelp(CmdL);
-      return 0;
-   }
+   CommandLine CmdL;
+   ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);
 
    InitOutput();