X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/bedb5293c16d105966d9bf48951483af0fbaff2a..d4cd303eae3d686b62b55e8a8202a3430b16f038:/apt-pkg/indexcopy.cc

diff --git a/apt-pkg/indexcopy.cc b/apt-pkg/indexcopy.cc
index c9dded134..5a92c79b7 100644
--- a/apt-pkg/indexcopy.cc
+++ b/apt-pkg/indexcopy.cc
@@ -522,29 +522,31 @@ bool SigVerify::Verify(string prefix, string file, indexRecords *MetaIndex)
 {
    const indexRecords::checkSum *Record = MetaIndex->Lookup(file);
 
+   // we skip non-existing files in the verifcation to support a cdrom
+   // with no Packages file (just a Package.gz), see LP: #255545
+   // (non-existing files are not considered a error)
+   if(!FileExists(prefix+file))
+   {
+      _error->Warning("Skipping non-exisiting file %s", string(prefix+file).c_str());
+      return true;
+   }
+
    if (!Record) 
    {
       _error->Warning("Can't find authentication record for: %s",file.c_str());
       return false;
    }
 
-   MD5Summation sum;
-   FileFd Fd(prefix+file, FileFd::ReadOnly);
-   sum.AddFD(Fd.Fd(), Fd.Size());
-   Fd.Close();
-   string MD5 = (string)sum.Result();
-   
-   if (Record->MD5Hash != MD5)
+   if (!Record->Hash.VerifyFile(prefix+file))
    {
-      _error->Warning("MD5 mismatch for: %s",file.c_str());
+      _error->Warning("Hash mismatch for: %s",file.c_str());
       return false;
    }
 
    if(_config->FindB("Debug::aptcdrom",false)) 
    {
       cout << "File: " << prefix+file << endl;
-      cout << "Expected MD5sum: " << Record->MD5Hash << endl;
-      cout << "got: " << MD5 << endl << endl;
+      cout << "Expected Hash " << Record->Hash.toStr() << endl;
    }
 
    return true;
@@ -646,7 +648,7 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
       // Open the Release file and add it to the MetaIndex
       if(!MetaIndex->Load(*I+"Release"))
       {
-	 _error->Error(MetaIndex->ErrorText.c_str());
+	 _error->Error("%s",MetaIndex->ErrorText.c_str());
 	 return false;
       }
       
@@ -658,6 +660,7 @@ bool SigVerify::CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
 	 if(!Verify(prefix,*I, MetaIndex)) {
 	    // something went wrong, don't copy the Release.gpg
 	    // FIXME: delete any existing gpg file?
+	    _error->Discard();
 	    continue;	 
 	 }
       }