X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/74b220028595342028e3309002e4ec359af328f9..1afd369d00f2f9272462ffc6c6e24f293a81459e:/apt-pkg/contrib/hashes.cc?ds=sidebyside diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc index fd76bf229..e1a431823 100644 --- a/apt-pkg/contrib/hashes.cc +++ b/apt-pkg/contrib/hashes.cc @@ -32,20 +32,20 @@ HashString::HashString() { } -HashString::HashString(string Type, string Hash) : Type(Type), Hash(Hash) +HashString::HashString(std::string Type, std::string Hash) : Type(Type), Hash(Hash) { } -HashString::HashString(string StringedHash) /*{{{*/ +HashString::HashString(std::string StringedHash) /*{{{*/ { // legacy: md5sum without "MD5Sum:" prefix - if (StringedHash.find(":") == string::npos && StringedHash.size() == 32) + if (StringedHash.find(":") == std::string::npos && StringedHash.size() == 32) { Type = "MD5Sum"; Hash = StringedHash; return; } - string::size_type pos = StringedHash.find(":"); + std::string::size_type pos = StringedHash.find(":"); Type = StringedHash.substr(0,pos); Hash = StringedHash.substr(pos+1, StringedHash.size() - pos); @@ -53,34 +53,34 @@ HashString::HashString(string StringedHash) /*{{{*/ std::clog << "HashString(string): " << Type << " : " << Hash << std::endl; } /*}}}*/ -bool HashString::VerifyFile(string filename) const /*{{{*/ +bool HashString::VerifyFile(std::string filename) const /*{{{*/ { - string fileHash; + std::string fileHash; FileFd Fd(filename, FileFd::ReadOnly); if(Type == "MD5Sum") { MD5Summation MD5; - MD5.AddFD(Fd.Fd(), Fd.Size()); - fileHash = (string)MD5.Result(); + MD5.AddFD(Fd); + fileHash = (std::string)MD5.Result(); } else if (Type == "SHA1") { SHA1Summation SHA1; - SHA1.AddFD(Fd.Fd(), Fd.Size()); - fileHash = (string)SHA1.Result(); + SHA1.AddFD(Fd); + fileHash = (std::string)SHA1.Result(); } else if (Type == "SHA256") { SHA256Summation SHA256; - SHA256.AddFD(Fd.Fd(), Fd.Size()); - fileHash = (string)SHA256.Result(); + SHA256.AddFD(Fd); + fileHash = (std::string)SHA256.Result(); } else if (Type == "SHA512") { SHA512Summation SHA512; - SHA512.AddFD(Fd.Fd(), Fd.Size()); - fileHash = (string)SHA512.Result(); + SHA512.AddFD(Fd); + fileHash = (std::string)SHA512.Result(); } Fd.Close(); @@ -100,9 +100,9 @@ bool HashString::empty() const return (Type.empty() || Hash.empty()); } -string HashString::toStr() const +std::string HashString::toStr() const { - return Type+string(":")+Hash; + return Type + std::string(":") + Hash; } // Hashes::AddFD - Add the contents of the FD /*{{{*/ @@ -117,7 +117,7 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, bool const addMD5, while (Size != 0 || ToEOF) { unsigned long long n = sizeof(Buf); - if (!ToEOF) n = min(Size, n); + if (!ToEOF) n = std::min(Size, n); Res = read(Fd,Buf,n); if (Res < 0 || (!ToEOF && Res != (ssize_t) n)) // error, or short read return false; @@ -134,6 +134,36 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, bool const addMD5, SHA512.Add(Buf,Res); } return true; +} +bool Hashes::AddFD(FileFd &Fd,unsigned long long Size, bool const addMD5, + bool const addSHA1, bool const addSHA256, bool const addSHA512) +{ + unsigned char Buf[64*64]; + bool const ToEOF = (Size == 0); + while (Size != 0 || ToEOF) + { + unsigned long long n = sizeof(Buf); + if (!ToEOF) n = std::min(Size, n); + unsigned long long a = 0; + if (Fd.Read(Buf, n, &a) == false) // error + return false; + if (ToEOF == false) + { + if (a != n) // short read + return false; + } + else if (a == 0) // EOF + break; + Size -= a; + if (addMD5 == true) + MD5.Add(Buf, a); + if (addSHA1 == true) + SHA1.Add(Buf, a); + if (addSHA256 == true) + SHA256.Add(Buf, a); + if (addSHA512 == true) + SHA512.Add(Buf, a); + } + return true; } /*}}}*/ -