merged from debian-sid

4 files changed, 66 insertions, 22 deletions

diff --git a/apt-pkg/aptconfiguration.h b/apt-pkg/aptconfiguration.h
index 815db6cae..1f0399dd2 100644
--- a/apt-pkg/aptconfiguration.h
+++ b/apt-pkg/aptconfiguration.h
@@ -36,7 +36,7 @@ public:									/*{{{*/
 	 *  \param Cached saves the result so we need to calculated it only once
 	 *                this parameter should ony be used for testing purposes.
 	 *
-	 *  \return a vector of (all) Language Codes in the prefered usage order
+	 *  \return a vector of the compression types in the prefered usage order
 	 */
 	std::vector<std::string> static const getCompressionTypes(bool const &Cached = true);
 
diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
index 064fb007c..31c577705 100644
--- a/apt-pkg/indexcopy.cc
+++ b/apt-pkg/indexcopy.cc
@@ -664,6 +664,21 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
 bool SigVerify::RunGPGV(std::string const &File, std::string const &FileGPG,
 			int const &statusfd, int fd[2])
 {
+   if (File == FileGPG)
+   {
+      #define SIGMSG "-----BEGIN PGP SIGNED MESSAGE-----\n"
+      char buffer[sizeof(SIGMSG)];
+      FILE* gpg = fopen(File.c_str(), "r");
+      if (gpg == NULL)
+	 return _error->Errno("RunGPGV", _("Could not open file %s"), File.c_str());
+      char const * const test = fgets(buffer, sizeof(buffer), gpg);
+      fclose(gpg);
+      if (test == NULL || strcmp(buffer, SIGMSG) != 0)
+	 return _error->Error(_("File %s doesn't start with a clearsigned message"), File.c_str());
+      #undef SIGMSG
+   }
+
+
    string const gpgvpath = _config->Find("Dir::Bin::gpg", "/usr/bin/gpgv");
    // FIXME: remove support for deprecated APT::GPGV setting
    string const trustedFile = _config->Find("APT::GPGV::TrustedKeyring", _config->FindFile("Dir::Etc::Trusted"));
@@ -688,7 +703,11 @@ bool SigVerify::RunGPGV(std::string const &File, std::string const &FileGPG,
    Args.reserve(30);
 
    if (keyrings.empty() == true)
-      return false;
+   {
+      // TRANSLATOR: %s is the trusted keyring parts directory
+      return _error->Error(_("No keyring installed in %s."),
+			   _config->FindDir("Dir::Etc::TrustedParts").c_str());
+   }
 
    Args.push_back(gpgvpath.c_str());
    Args.push_back("--ignore-time-conflict");
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 2cc2e5e39..bd213e0ce 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -210,13 +210,20 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
 {
    if (Name.empty() == true)
    {
-      Pin *P = &*Defaults.insert(Defaults.end(),PkgPin());
+      Pin *P = &*Defaults.insert(Defaults.end(),Pin());
       P->Type = Type;
       P->Priority = Priority;
       P->Data = Data;
       return;
    }
-   
+
+   size_t found = Name.rfind(':');
+   string Arch;
+   if (found != string::npos) {
+      Arch = Name.substr(found+1);
+      Name.erase(found);
+   }
+
    // Allow pinning by wildcards
    // TODO: Maybe we should always prefer specific pins over non-
    // specific ones.
@@ -225,32 +232,49 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
       pkgVersionMatch match(Data, Type);
       for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() != true; ++G)
 	 if (match.ExpressionMatches(Name, G.Name()))
-	    CreatePin(Type, G.Name(), Data, Priority);
+	 {
+	    if (Arch.empty() == false)
+	       CreatePin(Type, string(G.Name()).append(":").append(Arch), Data, Priority);
+	    else
+	       CreatePin(Type, G.Name(), Data, Priority);
+	 }
       return;
    }
 
-   // Get a spot to put the pin
-   pkgCache::GrpIterator Grp = Cache->FindGrp(Name);
-   for (pkgCache::PkgIterator Pkg = Grp.PackageList();
-	Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
+   // find the package (group) this pin applies to
+   pkgCache::GrpIterator Grp;
+   pkgCache::PkgIterator Pkg;
+   if (Arch.empty() == false)
+      Pkg = Cache->FindPkg(Name, Arch);
+   else {
+      Grp = Cache->FindGrp(Name);
+      if (Grp.end() == false)
+	 Pkg = Grp.PackageList();
+   }
+
+   if (Pkg.end() == true)
    {
-      Pin *P = 0;
-      if (Pkg.end() == false)
-	 P = Pins + Pkg->ID;
-      else
-      {
-	 // Check the unmatched table
-	 for (vector<PkgPin>::iterator I = Unmatched.begin();
-	      I != Unmatched.end() && P == 0; I++)
-	    if (I->Pkg == Name)
-	       P = &*I;
+      PkgPin *P = &*Unmatched.insert(Unmatched.end(),PkgPin(Name));
+      if (Arch.empty() == false)
+	 P->Pkg.append(":").append(Arch);
+      P->Type = Type;
+      P->Priority = Priority;
+      P->Data = Data;
+      return;
+   }
 
-	 if (P == 0)
-	    P = &*Unmatched.insert(Unmatched.end(),PkgPin());
-      }
+   for (; Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
+   {
+      Pin *P = Pins + Pkg->ID;
+      // the first specific stanza for a package is the ruler,
+      // all others need to be ignored
+      if (P->Type != pkgVersionMatch::None)
+	 P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName()));
       P->Type = Type;
       P->Priority = Priority;
       P->Data = Data;
+      if (Grp.end() == true)
+	 break;
    }
 }
 									/*}}}*/
diff --git a/apt-pkg/policy.h b/apt-pkg/policy.h
index f8b2678de..a5e6c6048 100644
--- a/apt-pkg/policy.h
+++ b/apt-pkg/policy.h
@@ -55,6 +55,7 @@ class pkgPolicy : public pkgDepCache::Policy
    struct PkgPin : Pin
    {
       string Pkg;
+      PkgPin(string const &Pkg) : Pin(), Pkg(Pkg) {};
    };
    
    Pin *Pins;