X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/443f5e8a3205162ec6933529c5ca0c95ad3f6941..72ed5f14b558984bd9c5731f82345b10cb2df2ca:/apt-inst/contrib/arfile.cc?ds=sidebyside diff --git a/apt-inst/contrib/arfile.cc b/apt-inst/contrib/arfile.cc index 2dee1a40d..905110781 100644 --- a/apt-inst/contrib/arfile.cc +++ b/apt-inst/contrib/arfile.cc @@ -6,7 +6,7 @@ AR File - Handle an 'AR' archive AR Archives have plain text headers at the start of each file - section. The headers are aligned on a 2 byte boundry. + section. The headers are aligned on a 2 byte boundary. Information about the structure of AR files can be found in ar(5) on a BSD system, or in the binutils source. @@ -21,7 +21,9 @@ #include #include -#include +#include +#include +#include #include /*}}}*/ @@ -64,7 +66,7 @@ ARArchive::~ARArchive() byte plain text header then the file data, another header, data, etc */ bool ARArchive::LoadHeaders() { - signed long Left = File.Size(); + off_t Left = File.Size(); // Check the magic byte char Magic[8]; @@ -106,7 +108,10 @@ bool ARArchive::LoadHeaders() return _error->Error(_("Invalid archive member header")); } if (File.Read(S,Len) == false) + { + delete Memb; return false; + } S[Len] = 0; Memb->Name = S; Memb->Size -= Len; @@ -120,7 +125,7 @@ bool ARArchive::LoadHeaders() } // Account for the AR header alignment - unsigned Skip = Memb->Size % 2; + off_t Skip = Memb->Size % 2; // Add it to the list Memb->Next = List; @@ -128,7 +133,7 @@ bool ARArchive::LoadHeaders() Memb->Start = File.Tell(); if (File.Skip(Memb->Size + Skip) == false) return false; - if (Left < (signed)(Memb->Size + Skip)) + if (Left < (off_t)(Memb->Size + Skip)) return _error->Error(_("Archive is too short")); Left -= Memb->Size + Skip; }