X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6c1f5d2c3c8df164e78dda8f24d28667634403e1..faeb435cab7b41a50c621ef9f96853d15c57d0d8:/ftparchive/writer.cc diff --git a/ftparchive/writer.cc b/ftparchive/writer.cc index 6a24fb8aa..7ecfe78ed 100644 --- a/ftparchive/writer.cc +++ b/ftparchive/writer.cc @@ -20,6 +20,8 @@ #include #include #include +#include +#include #include #include @@ -282,7 +284,8 @@ bool FTWScanner::Delink(string &FileName,const char *OriginalPath, if (link(FileName.c_str(),OriginalPath) != 0) { // Panic! Restore the symlink - symlink(OldLink,OriginalPath); + if (symlink(OldLink,OriginalPath) != 0) + _error->Errno("symlink", "failed to restore symlink"); return _error->Errno("link",_("*** Failed to link %s to %s"), FileName.c_str(), OriginalPath); @@ -318,7 +321,7 @@ PackagesWriter::PackagesWriter(string const &DB,string const &Overrides,string c DoMD5 = _config->FindB("APT::FTPArchive::Packages::MD5",DoMD5); DoSHA1 = _config->FindB("APT::FTPArchive::Packages::SHA1",DoSHA1); DoSHA256 = _config->FindB("APT::FTPArchive::Packages::SHA256",DoSHA256); - DoSHA256 = _config->FindB("APT::FTPArchive::Packages::SHA512",true); + DoSHA512 = _config->FindB("APT::FTPArchive::Packages::SHA512",DoSHA512); DoAlwaysStat = _config->FindB("APT::FTPArchive::AlwaysStat", false); DoContents = _config->FindB("APT::FTPArchive::Contents",true); NoOverride = _config->FindB("APT::FTPArchive::NoOverrideMsg",false); @@ -562,8 +565,9 @@ TranslationWriter::~TranslationWriter() // SourcesWriter::SourcesWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -SourcesWriter::SourcesWriter(string const &BOverrides,string const &SOverrides, - string const &ExtOverrides) +SourcesWriter::SourcesWriter(string const &DB, string const &BOverrides,string const &SOverrides, + string const &ExtOverrides) : + Db(DB), Stats(Db.Stats) { Output = stdout; AddPattern("*.dsc"); @@ -575,7 +579,9 @@ SourcesWriter::SourcesWriter(string const &BOverrides,string const &SOverrides, DoMD5 = _config->FindB("APT::FTPArchive::Sources::MD5",DoMD5); DoSHA1 = _config->FindB("APT::FTPArchive::Sources::SHA1",DoSHA1); DoSHA256 = _config->FindB("APT::FTPArchive::Sources::SHA256",DoSHA256); + DoSHA512 = _config->FindB("APT::FTPArchive::Sources::SHA512",DoSHA512); NoOverride = _config->FindB("APT::FTPArchive::NoOverrideMsg",false); + DoAlwaysStat = _config->FindB("APT::FTPArchive::AlwaysStat", false); // Read the override file if (BOverrides.empty() == false && BOver.ReadOverride(BOverrides) == false) @@ -598,77 +604,62 @@ SourcesWriter::SourcesWriter(string const &BOverrides,string const &SOverrides, // --------------------------------------------------------------------- /* */ bool SourcesWriter::DoPackage(string FileName) -{ +{ // Open the archive - FileFd F(FileName,FileFd::ReadOnly); - if (_error->PendingError() == true) + FileFd F; + if (OpenMaybeClearSignedFile(FileName, F) == false) return false; - - // Stat the file for later - struct stat St; - if (fstat(F.Fd(),&St) != 0) - return _error->Errno("fstat","Failed to stat %s",FileName.c_str()); - if (St.st_size > 128*1024) + unsigned long long const FSize = F.FileSize(); + //FIXME: do we really need to enforce a maximum size of the dsc file? + if (FSize > 128*1024) return _error->Error("DSC file '%s' is too large!",FileName.c_str()); - - if (BufSize < (unsigned long long)St.st_size+1) + + if (BufSize < FSize + 2) { - BufSize = St.st_size+1; - Buffer = (char *)realloc(Buffer,St.st_size+1); + BufSize = FSize + 2; + Buffer = (char *)realloc(Buffer , BufSize); } - - if (F.Read(Buffer,St.st_size) == false) + + if (F.Read(Buffer, FSize) == false) return false; + // Stat the file for later (F might be clearsigned, so not F.FileSize()) + struct stat St; + if (stat(FileName.c_str(), &St) != 0) + return _error->Errno("fstat","Failed to stat %s",FileName.c_str()); + // Hash the file char *Start = Buffer; - char *BlkEnd = Buffer + St.st_size; - - MD5Summation MD5; - SHA1Summation SHA1; - SHA256Summation SHA256; - SHA256Summation SHA512; + char *BlkEnd = Buffer + FSize; - if (DoMD5 == true) - MD5.Add((unsigned char *)Start,BlkEnd - Start); - if (DoSHA1 == true) - SHA1.Add((unsigned char *)Start,BlkEnd - Start); - if (DoSHA256 == true) - SHA256.Add((unsigned char *)Start,BlkEnd - Start); - if (DoSHA512 == true) - SHA512.Add((unsigned char *)Start,BlkEnd - Start); - - // Add an extra \n to the end, just in case - *BlkEnd++ = '\n'; - - /* Remove the PGP trailer. Some .dsc's have this without a blank line - before */ - const char *Key = "-----BEGIN PGP SIGNATURE-----"; - for (char *MsgEnd = Start; MsgEnd < BlkEnd - strlen(Key) -1; MsgEnd++) + Hashes DscHashes; + if (FSize == (unsigned long long) St.st_size) { - if (*MsgEnd == '\n' && strncmp(MsgEnd+1,Key,strlen(Key)) == 0) - { - MsgEnd[1] = '\n'; - break; - } + if (DoMD5 == true) + DscHashes.MD5.Add((unsigned char *)Start,BlkEnd - Start); + if (DoSHA1 == true) + DscHashes.SHA1.Add((unsigned char *)Start,BlkEnd - Start); + if (DoSHA256 == true) + DscHashes.SHA256.Add((unsigned char *)Start,BlkEnd - Start); + if (DoSHA512 == true) + DscHashes.SHA512.Add((unsigned char *)Start,BlkEnd - Start); } - - /* Read records until we locate the Source record. This neatly skips the - GPG header (which is RFC822 formed) without any trouble. */ - pkgTagSection Tags; - do + else { - unsigned Pos; - if (Tags.Scan(Start,BlkEnd - Start) == false) - return _error->Error("Could not find a record in the DSC '%s'",FileName.c_str()); - if (Tags.Find("Source",Pos) == true) - break; - Start += Tags.size(); + FileFd DscFile(FileName, FileFd::ReadOnly); + DscHashes.AddFD(DscFile, St.st_size, DoMD5, DoSHA1, DoSHA256, DoSHA512); } - while (1); + + // Add extra \n to the end, just in case (as in clearsigned they are missing) + *BlkEnd++ = '\n'; + *BlkEnd++ = '\n'; + + pkgTagSection Tags; + if (Tags.Scan(Start,BlkEnd - Start) == false || Tags.Exists("Source") == false) + return _error->Error("Could not find a record in the DSC '%s'",FileName.c_str()); Tags.Trim(); - + // Lookup the overide information, finding first the best priority. string BestPrio; string Bins = Tags.FindS("Binary"); @@ -732,27 +723,24 @@ bool SourcesWriter::DoPackage(string FileName) string const strippedName = flNotDir(FileName); std::ostringstream ostreamFiles; if (DoMD5 == true && Tags.Exists("Files")) - ostreamFiles << "\n " << string(MD5.Result()) << " " << St.st_size << " " + ostreamFiles << "\n " << string(DscHashes.MD5.Result()) << " " << St.st_size << " " << strippedName << "\n " << Tags.FindS("Files"); string const Files = ostreamFiles.str(); std::ostringstream ostreamSha1; if (DoSHA1 == true && Tags.Exists("Checksums-Sha1")) - ostreamSha1 << "\n " << string(SHA1.Result()) << " " << St.st_size << " " + ostreamSha1 << "\n " << string(DscHashes.SHA1.Result()) << " " << St.st_size << " " << strippedName << "\n " << Tags.FindS("Checksums-Sha1"); - string const ChecksumsSha1 = ostreamSha1.str(); std::ostringstream ostreamSha256; if (DoSHA256 == true && Tags.Exists("Checksums-Sha256")) - ostreamSha256 << "\n " << string(SHA256.Result()) << " " << St.st_size << " " + ostreamSha256 << "\n " << string(DscHashes.SHA256.Result()) << " " << St.st_size << " " << strippedName << "\n " << Tags.FindS("Checksums-Sha256"); - string const ChecksumsSha256 = ostreamSha256.str(); std::ostringstream ostreamSha512; - if (Tags.Exists("Checksums-Sha512")) - ostreamSha512 << "\n " << string(SHA512.Result()) << " " << St.st_size << " " + if (DoSHA512 == true && Tags.Exists("Checksums-Sha512")) + ostreamSha512 << "\n " << string(DscHashes.SHA512.Result()) << " " << St.st_size << " " << strippedName << "\n " << Tags.FindS("Checksums-Sha512"); - string const ChecksumsSha512 = ostreamSha512.str(); // Strip the DirStrip prefix from the FileName and add the PathPrefix string NewFileName; @@ -768,7 +756,7 @@ bool SourcesWriter::DoPackage(string FileName) string Directory = flNotFile(OriginalPath); string Package = Tags.FindS("Source"); - // Perform the delinking operation over all of the files + // Perform operation over all of the files string ParseJnk; const char *C = Files.c_str(); char *RealPath = NULL; @@ -780,9 +768,36 @@ bool SourcesWriter::DoPackage(string FileName) ParseQuoteWord(C,ParseJnk) == false || ParseQuoteWord(C,ParseJnk) == false) return _error->Error("Error parsing file record"); - - char Jnk[2]; + string OriginalPath = Directory + ParseJnk; + + // Add missing hashes to source files + if ((DoSHA1 == true && !Tags.Exists("Checksums-Sha1")) || + (DoSHA256 == true && !Tags.Exists("Checksums-Sha256")) || + (DoSHA512 == true && !Tags.Exists("Checksums-Sha512"))) + { + if (Db.GetFileInfo(OriginalPath, false, false, false, DoMD5, DoSHA1, DoSHA256, DoSHA512, DoAlwaysStat) + == false) + { + return _error->Error("Error getting file info"); + } + + if (DoSHA1 == true && !Tags.Exists("Checksums-Sha1")) + ostreamSha1 << "\n " << string(Db.SHA1Res) << " " + << Db.GetFileSize() << " " << ParseJnk; + + if (DoSHA256 == true && !Tags.Exists("Checksums-Sha256")) + ostreamSha256 << "\n " << string(Db.SHA256Res) << " " + << Db.GetFileSize() << " " << ParseJnk; + + if (DoSHA512 == true && !Tags.Exists("Checksums-Sha512")) + ostreamSha512 << "\n " << string(Db.SHA512Res) << " " + << Db.GetFileSize() << " " << ParseJnk; + } + + // Perform the delinking operation + char Jnk[2]; + if (readlink(OriginalPath.c_str(),Jnk,sizeof(Jnk)) != -1 && (RealPath = realpath(OriginalPath.c_str(),NULL)) != 0) { @@ -797,6 +812,10 @@ bool SourcesWriter::DoPackage(string FileName) if (Directory.length() > 2) Directory.erase(Directory.end()-1); + string const ChecksumsSha1 = ostreamSha1.str(); + string const ChecksumsSha256 = ostreamSha256.str(); + string const ChecksumsSha512 = ostreamSha512.str(); + // This lists all the changes to the fields we are going to make. // (5 hardcoded + checksums + maintainer + end marker) TFRewriteData Changes[5+2+1+SOverItem->FieldOverride.size()+1]; @@ -844,7 +863,7 @@ bool SourcesWriter::DoPackage(string FileName) Stats.Packages++; - return true; + return Db.Finish(); } /*}}}*/