1 files changed, 148 insertions, 0 deletions
diff --git a/apt-private/private-update.cc b/apt-private/private-update.cc
new file mode 100644
index 0000000..affae65
--- /dev/null
+++ b/apt-private/private-update.cc
@@ -0,0 +1,148 @@
+// Include files							/*{{{*/
+#include <config.h>
+
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/acquire.h>
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/update.h>
+
+#include <apt-private/acqprogress.h>
+#include <apt-private/private-cachefile.h>
+#include <apt-private/private-download.h>
+#include <apt-private/private-output.h>
+#include <apt-private/private-update.h>
+
+#include <ostream>
+#include <string>
+
+#include <apti18n.h>
+									/*}}}*/
+
+// DoUpdate - Update the package lists					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool DoUpdate(CommandLine &CmdL)
+{
+   if (CmdL.FileSize() != 1)
+      return _error->Error(_("The update command takes no arguments"));
+
+   CacheFile Cache;
+
+   // Get the source list
+   if (Cache.BuildSourceList() == false)
+      return false;
+   pkgSourceList *List = Cache.GetSourceList();
+
+   // Just print out the uris an exit if the --print-uris flag was used
+   if (_config->FindB("APT::Get::Print-URIs") == true)
+   {
+      // force a hashsum for compatibility reasons
+      _config->CndSet("Acquire::ForceHash", "md5sum");
+
+      // Populate it with the source selection and get all Indexes
+      // (GetAll=true)
+      aptAcquireWithTextStatus Fetcher;
+      if (List->GetIndexes(&Fetcher,true) == false)
+	 return false;
+
+      std::string compExt = APT::Configuration::getCompressionTypes()[0];
+      pkgAcquire::UriIterator I = Fetcher.UriBegin();
+      for (; I != Fetcher.UriEnd(); ++I)
+      {
+         std::string FileName = flNotDir(I->Owner->DestFile);
+         if(compExt.empty() == false && 
+            APT::String::Endswith(FileName, compExt))
+            FileName = FileName.substr(0, FileName.size() - compExt.size() - 1);
+	 c1out << '\'' << I->URI << "' " << FileName << ' ' <<
+	    std::to_string(I->Owner->FileSize) << ' ' << I->Owner->HashSum() << std::endl;
+      }
+      return true;
+   }
+
+   // do the work
+   if (_config->FindB("APT::Get::Download",true) == true)
+   {
+      AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
+      ListUpdate(Stat, *List);
+   }
+
+   if (_config->FindB("pkgCacheFile::Generate", true) == false)
+      return true;
+
+   // Rebuild the cache.
+   pkgCacheFile::RemoveCaches();
+   if (Cache.BuildCaches(false) == false)
+      return false;
+
+   if (_config->FindB("APT::Get::Update::SourceListWarnings", true))
+   {
+      List = Cache.GetSourceList();
+      for (pkgSourceList::const_iterator S = List->begin(); S != List->end(); ++S)
+      {
+	 if (APT::String::Startswith((*S)->GetURI(), "ftp://") == false)
+	    continue;
+	 pkgCache::RlsFileIterator const RlsFile = (*S)->FindInCache(Cache, false);
+	 if (RlsFile.end() || RlsFile->Origin == 0 || RlsFile->Label == 0)
+	    continue;
+	 char const *const affected[][2] = {
+	     {"Debian", "Debian"},
+	     {"Debian", "Debian-Security"},
+	     {"Debian Backports", "Debian Backports"},
+	 };
+	 auto const matchRelease = [&](decltype(affected[0]) a) {
+	    return strcmp(RlsFile.Origin(), a[0]) == 0 && strcmp(RlsFile.Label(), a[1]) == 0;
+	 };
+	 if (std::find_if(std::begin(affected), std::end(affected), matchRelease) != std::end(affected))
+	    _error->Warning("Debian shuts down public FTP services currently still used in your sources.list(5) as '%s'.\n"
+			    "See press release %s for details.",
+			    (*S)->GetURI().c_str(), "https://debian.org/News/2017/20170425");
+      }
+      for (pkgSourceList::const_iterator S = List->begin(); S != List->end(); ++S)
+      {
+	 URI uri((*S)->GetURI());
+	 if (uri.User.empty() && uri.Password.empty())
+	    continue;
+	 // we can't really predict if a +http method supports everything http does,
+	 // so we play it safe and use an allowlist here.
+	 char const *const affected[] = {"http", "https", "tor+http", "tor+https", "ftp"};
+	 if (std::find(std::begin(affected), std::end(affected), uri.Access) != std::end(affected))
+	    // TRANSLATOR: the first two are manpage references, the last the URI from a sources.list
+	    _error->Notice(_("Usage of %s should be preferred over embedding login information directly in the %s entry for '%s'"),
+			   "apt_auth.conf(5)", "sources.list(5)", URI::ArchiveOnly(uri).c_str());
+      }
+   }
+
+   // show basic stats (if the user whishes)
+   if (_config->FindB("APT::Cmd::Show-Update-Stats", false) == true)
+   {
+      int upgradable = 0;
+      if (Cache.Open(false) == false)
+         return false;
+      for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() != true; ++I)
+      {
+         pkgDepCache::StateCache &state = Cache[I];
+         if (I->CurrentVer != 0 && state.Upgradable() && state.CandidateVer != NULL)
+            upgradable++;
+      }
+      const char *msg = P_(
+         "%i package can be upgraded. Run 'apt list --upgradable' to see it.\n",
+         "%i packages can be upgraded. Run 'apt list --upgradable' to see them.\n",
+         upgradable);
+      if (upgradable == 0)
+         c1out << _("All packages are up to date.") << std::endl;
+      else
+         ioprintf(c1out, msg, upgradable);
+
+      RunScripts("APT::Update::Post-Invoke-Stats");
+   }
+
+   return true;
+}
+									/*}}}*/