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authorMichael Vogt <mvo@ubuntu.com>2014-09-17 14:57:05 +0200
committerMichael Vogt <mvo@ubuntu.com>2014-09-17 14:57:05 +0200
commitdaff4aa356128310f022370f7825bdc369c66ba8 (patch)
treeef5f4a603d841af8e1db4187b6e8be2374549adb /apt-pkg/acquire-item.cc
parent4502ab82b3cc75e2290cecdef1467da3e51d8647 (diff)
Fix regression for file:/// uris from CVE-2014-0487
Do not run ReverifyAfterIMS() for local file URIs as this will causes apt to mess around in the file:/// uri space. This is wrong in itself, but it will also cause a incorrect verification failure when the archive and the lists directory are on different partitions as rename().
Diffstat (limited to 'apt-pkg/acquire-item.cc')
-rw-r--r--apt-pkg/acquire-item.cc18
1 files changed, 6 insertions, 12 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 058b8bf74..2ced65aa2 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -1120,12 +1120,6 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
string FileName = LookupTag(Message,"Alt-Filename");
if (FileName.empty() == false)
{
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
- {
- ReverifyAfterIMS(FileName);
- return;
- }
Decompression = true;
Local = true;
DestFile += ".decomp";
@@ -1142,18 +1136,18 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
ErrorText = "Method gave a blank filename";
}
+ if (FileName == DestFile)
+ Erase = true;
+ else
+ Local = true;
+
// The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ if (!Local && StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
{
ReverifyAfterIMS(FileName);
return;
}
- if (FileName == DestFile)
- Erase = true;
- else
- Local = true;
-
string decompProg;
// If we enable compressed indexes, queue for hash verification