1 files changed, 4 insertions, 0 deletions
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index 8dfbf7aff..ea53a847e 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -173,6 +173,10 @@ bool debReleaseIndex::IsTrusted() const
    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
       URItoFileName(MetaIndexURI("Release")) + ".gpg";
    
+   if(_config->FindB("APT::Authentication::Trust-CDROM", false))
+      if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
+	 return true;
+   
    if (FileExists(VerifiedSigFile))
       return true;
    return false;