drop privileges in file:// method as we do for decompressors

[apt.git] / apt-pkg / sourcelist.cc

diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index eef0ee709cf76c8795210afe520008c9faebe42a..2100b5d3ccac5731ca7c7868cbe035c9eecf2c82 100644 (file)
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -107,6 +107,8 @@ bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,    /*{{{*/
    mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
    mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
    mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));
    mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
    mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
    mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));

+   mapping.insert(std::make_pair("PDiffs", std::make_pair("pdiffs", false)));
+   mapping.insert(std::make_pair("By-Hash", std::make_pair("by-hash", false)));

 
    for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
       if (Tags.Exists(m->first))
 
    for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
       if (Tags.Exists(m->first))


@@ -118,6 +120,12 @@ bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,   /*{{{*/
         Options[m->second.first] = option;
       }
 
         Options[m->second.first] = option;
       }
 

+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", Fd.Name().c_str(), i);
+      Options["sourceslist-entry"] = entry;
+   }
+

    // now create one item per suite/section
    string Suite = Tags.FindS("Suites");
    Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));
    // now create one item per suite/section
    string Suite = Tags.FindS("Suites");
    Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));


@@ -185,6 +193,11 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;

+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", File.c_str(), CurLine);
+      Options["sourceslist-entry"] = entry;
+   }

    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [
    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [


@@ -274,6 +287,10 @@ pkgSourceList::~pkgSourceList()
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;

+   SrcList.clear();
+   for (auto  F = VolatileFiles.begin(); F != VolatileFiles.end(); ++F)
+      delete (*F);
+   VolatileFiles.clear();

 }
                                                                        /*}}}*/
 // SourceList::ReadMainList - Read the main source list from etc       /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::ReadMainList - Read the main source list from etc       /*{{{*/


@@ -317,7 +334,7 @@ void pkgSourceList::Reset()
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;

-   SrcList.erase(SrcList.begin(),SrcList.end());
+   SrcList.clear();

 }
                                                                        /*}}}*/
 // SourceList::Read - Parse the sourcelist file                                /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::Read - Parse the sourcelist file                                /*{{{*/


@@ -339,7 +356,7 @@ bool pkgSourceList::ReadAppend(string const &File)
    else
       return ParseFileOldStyle(File);
 }
    else
       return ParseFileOldStyle(File);
 }

-
+                                                                       /*}}}*/

 // SourceList::ReadFileOldStyle - Read Traditional style sources.list  /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // SourceList::ReadFileOldStyle - Read Traditional style sources.list  /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -380,7 +397,7 @@ bool pkgSourceList::ParseFileOldStyle(std::string const &File)
         continue;
 
       // Grok it
         continue;
 
       // Grok it

-      std::string const LineType = Buffer.substr(0, Buffer.find(' '));
+      std::string const LineType = Buffer.substr(0, Buffer.find_first_of(" \t\v"));

       if (LineType.empty() || LineType == Buffer)
         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 
       if (LineType.empty() || LineType == Buffer)
         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 


@@ -405,7 +422,7 @@ bool pkgSourceList::ParseFileDeb822(string const &File)
    // see if we can read the file
    FileFd Fd(File, FileFd::ReadOnly);
    pkgTagFile Sources(&Fd);
    // see if we can read the file
    FileFd Fd(File, FileFd::ReadOnly);
    pkgTagFile Sources(&Fd);

-   if (_error->PendingError() == true)
+   if (Fd.IsOpen() == false || Fd.Failed())

       return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
 
    // read step by step
       return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
 
    // read step by step


@@ -436,26 +453,26 @@ bool pkgSourceList::ParseFileDeb822(string const &File)
 }
                                                                        /*}}}*/
 // SourceList::FindIndex - Get the index associated with a file                /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::FindIndex - Get the index associated with a file                /*{{{*/

-// ---------------------------------------------------------------------
-/* */
+static bool FindInIndexFileContainer(std::vector<pkgIndexFile *> const &Cont, pkgCache::PkgFileIterator const &File, pkgIndexFile *&Found)
+{
+   auto const J = std::find_if(Cont.begin(), Cont.end(), [&File](pkgIndexFile const * const J) {
+        return J->FindInCache(*File.Cache()) == File;
+   });
+   if (J != Cont.end())
+   {
+      Found = (*J);
+      return true;
+   }
+   return false;
+}

 bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
                              pkgIndexFile *&Found) const
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
 bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
                              pkgIndexFile *&Found) const
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)

-   {
-      vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
-      for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
-          J != Indexes->end(); ++J)
-      {
-         if ((*J)->FindInCache(*File.Cache()) == File)
-         {
-            Found = (*J);
-            return true;
-         }
-      }
-   }
+      if (FindInIndexFileContainer(*(*I)->GetIndexFiles(), File, Found))
+        return true;

 
 

-   return false;
+   return FindInIndexFileContainer(VolatileFiles, File, Found);

 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/


@@ -504,11 +521,22 @@ time_t pkgSourceList::GetLastModifiedTime()
       List = GetListOfFilesInDir(Parts, "list", true);
 
    // calculate the time
       List = GetListOfFilesInDir(Parts, "list", true);
 
    // calculate the time

-   time_t mtime_sources = GetModificationTime(Main);
-   for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
-      mtime_sources = std::max(mtime_sources, GetModificationTime(*I));
-
-   return mtime_sources;
+   std::vector<time_t> modtimes;
+   modtimes.reserve(1 + List.size());
+   modtimes.push_back(GetModificationTime(Main));
+   std::transform(List.begin(), List.end(), std::back_inserter(modtimes), GetModificationTime);
+   auto const maxmtime = std::max_element(modtimes.begin(), modtimes.end());
+   return *maxmtime;
+}
+                                                                       /*}}}*/
+std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const     /*{{{*/
+{
+   return VolatileFiles;
+}
+                                                                       /*}}}*/
+void pkgSourceList::AddVolatileFile(pkgIndexFile * const File)         /*{{{*/
+{
+   if (File != NULL)
+      VolatileFiles.push_back(File);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-