X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f7f0d6c7560a8f71707e7852a512469147aa9f84..0fffbc8ce4cb6357f59db63db5571f46a668a66b:/apt-pkg/pkgcache.cc?ds=sidebyside diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc index ed24d9ea8..40b99891a 100644 --- a/apt-pkg/pkgcache.cc +++ b/apt-pkg/pkgcache.cc @@ -20,6 +20,8 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include @@ -29,13 +31,12 @@ #include #include -#include - #include #include #include - #include + +#include /*}}}*/ using std::string; @@ -84,6 +85,8 @@ 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 +158,9 @@ 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) @@ -484,7 +490,7 @@ pkgCache::PkgIterator::CurVersion() const if they provide no new information (e.g. there is no newer version than candidate) If no version and/or section can be found "none" is used. */ std::ostream& -operator<<(ostream& out, pkgCache::PkgIterator Pkg) +operator<<(std::ostream& out, pkgCache::PkgIterator Pkg) { if (Pkg.end() == true) return out << "invalid package"; @@ -632,7 +638,7 @@ pkgCache::Version **pkgCache::DepIterator::AllTargets() const continue; if (IsNegative() == true && - ParentPkg() == I.OwnerPkg()) + ParentPkg()->Group == I.OwnerPkg()->Group) continue; Size++; @@ -679,7 +685,7 @@ void pkgCache::DepIterator::GlobOr(DepIterator &Start,DepIterator &End) // ostream operator to handle string representation of a dependecy /*{{{*/ // --------------------------------------------------------------------- /* */ -std::ostream& operator<<(ostream& out, pkgCache::DepIterator D) +std::ostream& operator<<(std::ostream& out, pkgCache::DepIterator D) { if (D.end() == true) return out << "invalid dependency"; @@ -749,9 +755,6 @@ 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