From 495e5cb25443e6606c0d02891e1f6610983e88cd Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Thu, 26 Jul 2007 19:18:11 +0200
Subject: * implement sha256/sha1/md5 checking with proper backward
 compatibility   and fallback

---
 apt-pkg/indexrecords.cc | 48 +++++++++++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 21 deletions(-)

(limited to 'apt-pkg/indexrecords.cc')

diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index 396e1591f..502f454a8 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -50,32 +50,38 @@ bool indexRecords::Load(const string Filename)
 
    const char *Start, *End;
    Section.Get (Start, End, 0);
+
    Suite = Section.FindS("Suite");
    Dist = Section.FindS("Codename");
-//    if (Dist.empty())
-//    {
-//       ErrorText = _(("No Codename entry in Release file " + Filename).c_str());
-//       return false;
-//    }
-   if (!Section.Find("MD5Sum", Start, End))
+
+   int i;
+   for (i=0;HashString::SupportedHashes()[i] != NULL; i++)
    {
-      ErrorText = _(("No MD5Sum entry in Release file " + Filename).c_str());
-      return false;
+      if (!Section.Find(HashString::SupportedHashes()[i], Start, End))
+	 continue;
+
+      string Name;
+      string Hash;
+      size_t Size;
+      while (Start < End)
+      {
+	 if (!parseSumData(Start, End, Name, Hash, Size))
+	    return false;
+	 indexRecords::checkSum *Sum = new indexRecords::checkSum;
+	 Sum->MetaKeyFilename = Name;
+	 Sum->Hash = HashString(HashString::SupportedHashes()[i],Hash);
+	 Sum->Size = Size;
+	 Entries[Name] = Sum;
+      }
+      break;
    }
-   string Name;
-   string MD5Hash;
-   size_t Size;
-   while (Start < End)
+
+   if(HashString::SupportedHashes()[i] == NULL)
    {
-      if (!parseSumData(Start, End, Name, MD5Hash, Size))
-	 return false;
-      indexRecords::checkSum *Sum = new indexRecords::checkSum;
-      Sum->MetaKeyFilename = Name;
-      Sum->MD5Hash = MD5Hash;
-      Sum->Size = Size;
-      Entries[Name] = Sum;
-   }
-   
+      ErrorText = _(("No Hash entry in Release file " + Filename).c_str());
+      return false;
+   }  
+
    string Strdate = Section.FindS("Date"); // FIXME: verify this somehow?
    return true;
 }
-- 
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