X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/2b82aa5553eef0cd16b5803047a6b60450bee92f..c5f661b715fbd86fcbca694c44bb8422f01db267:/apt-pkg/pkgcache.cc?ds=sidebyside

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index 38e4e904e..2b8cb6b86 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -84,6 +84,8 @@ pkgCache::Header::Header()
    memset(PkgHashTable,0,sizeof(PkgHashTable));
    memset(GrpHashTable,0,sizeof(GrpHashTable));
    memset(Pools,0,sizeof(Pools));
+
+   CacheFileSize = 0;
 }
 									/*}}}*/
 // Cache::Header::CheckSizes - Check if the two headers have same *sz	/*{{{*/
@@ -155,6 +157,9 @@ bool pkgCache::ReMap(bool const &Errorchecks)
        HeaderP->CheckSizes(DefHeader) == false)
       return _error->Error(_("The package cache file is an incompatible version"));
 
+   if (Map.Size() < HeaderP->CacheFileSize)
+      return _error->Error(_("The package cache file is corrupted, it is too small"));
+
    // Locate our VS..
    if (HeaderP->VerSysName == 0 ||
        (VS = pkgVersioningSystem::GetVS(StrP + HeaderP->VerSysName)) == 0)
@@ -749,9 +754,6 @@ bool pkgCache::VerIterator::Automatic() const
    return false;
 }
 									/*}}}*/
-// VerIterator::Pseudo - deprecated no-op method			/*{{{*/
-bool pkgCache::VerIterator::Pseudo() const { return false; }
-									/*}}}*/
 // VerIterator::NewestFile - Return the newest file version relation	/*{{{*/
 // ---------------------------------------------------------------------
 /* This looks at the version numbers associated with all of the sources