diff options
Diffstat (limited to 'apt-pkg/contrib/hashes.cc')
| -rw-r--r-- | apt-pkg/contrib/hashes.cc | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc index e1a431823..890573d9c 100644 --- a/apt-pkg/contrib/hashes.cc +++ b/apt-pkg/contrib/hashes.cc @@ -55,6 +55,26 @@ HashString::HashString(std::string StringedHash) /*{{{*/ /*}}}*/ bool HashString::VerifyFile(std::string filename) const /*{{{*/ { + std::string fileHash = GetHashForFile(filename); + + if(_config->FindB("Debug::Hashes",false) == true) + std::clog << "HashString::VerifyFile: got: " << fileHash << " expected: " << toStr() << std::endl; + + return (fileHash == Hash); +} + /*}}}*/ +bool HashString::FromFile(std::string filename) /*{{{*/ +{ + // pick the strongest hash + if (Type == "") + Type = _SupportedHashes[0]; + + Hash = GetHashForFile(filename); + return true; +} + /*}}}*/ +std::string HashString::GetHashForFile(std::string filename) const /*{{{*/ +{ std::string fileHash; FileFd Fd(filename, FileFd::ReadOnly); @@ -84,10 +104,7 @@ bool HashString::VerifyFile(std::string filename) const /*{{{*/ } Fd.Close(); - if(_config->FindB("Debug::Hashes",false) == true) - std::clog << "HashString::VerifyFile: got: " << fileHash << " expected: " << toStr() << std::endl; - - return (fileHash == Hash); + return fileHash; } /*}}}*/ const char** HashString::SupportedHashes() @@ -112,13 +129,12 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, bool const addMD5, bool const addSHA1, bool const addSHA256, bool const addSHA512) { unsigned char Buf[64*64]; - ssize_t Res = 0; - int ToEOF = (Size == 0); + bool const ToEOF = (Size == 0); while (Size != 0 || ToEOF) { unsigned long long n = sizeof(Buf); if (!ToEOF) n = std::min(Size, n); - Res = read(Fd,Buf,n); + ssize_t const Res = read(Fd,Buf,n); if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read return false; if (ToEOF && Res == 0) // EOF |