X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e8184cc38f673a3d86be9268525cf259120c2a9e..84eec207be35b8c117c430296d4c212b079c00c1:/ftparchive/writer.cc diff --git a/ftparchive/writer.cc b/ftparchive/writer.cc index d02919969..018cf0052 100644 --- a/ftparchive/writer.cc +++ b/ftparchive/writer.cc @@ -13,66 +13,94 @@ // Include Files /*{{{*/ #include -#include -#include #include -#include -#include -#include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include #include #include -#include -#include #include +#include #include #include +#include +#include +#include "apt-ftparchive.h" #include "writer.h" #include "cachedb.h" -#include "apt-ftparchive.h" #include "multicompress.h" +#include "byhash.h" #include /*}}}*/ using namespace std; FTWScanner *FTWScanner::Owner; -// SetTFRewriteData - Helper for setting rewrite lists /*{{{*/ -// --------------------------------------------------------------------- -/* */ -inline void SetTFRewriteData(struct TFRewriteData &tfrd, - const char *tag, - const char *rewrite, - const char *newtag = 0) +// ConfigToDoHashes - which hashes to generate /*{{{*/ +static void SingleConfigToDoHashes(unsigned int &DoHashes, std::string const &Conf, unsigned int const Flag) +{ + if (_config->FindB(Conf, (DoHashes & Flag) == Flag) == true) + DoHashes |= Flag; + else + DoHashes &= ~Flag; +} +static void ConfigToDoHashes(unsigned int &DoHashes, std::string const &Conf) { - tfrd.Tag = tag; - tfrd.Rewrite = rewrite; - tfrd.NewTag = newtag; + SingleConfigToDoHashes(DoHashes, Conf + "::MD5", Hashes::MD5SUM); + SingleConfigToDoHashes(DoHashes, Conf + "::SHA1", Hashes::SHA1SUM); + SingleConfigToDoHashes(DoHashes, Conf + "::SHA256", Hashes::SHA256SUM); + SingleConfigToDoHashes(DoHashes, Conf + "::SHA512", Hashes::SHA512SUM); } /*}}}*/ // FTWScanner::FTWScanner - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* */ -FTWScanner::FTWScanner(string const &Arch): Arch(Arch) +FTWScanner::FTWScanner(FileFd * const GivenOutput, string const &Arch, bool const IncludeArchAll) + : Arch(Arch), IncludeArchAll(IncludeArchAll), DoHashes(~0) { + if (GivenOutput == NULL) + { + Output = new FileFd; + OwnsOutput = true; + Output->OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, false); + } + else + { + Output = GivenOutput; + OwnsOutput = false; + } ErrorPrinted = false; NoLinkAct = !_config->FindB("APT::FTPArchive::DeLinkAct",true); - - DoMD5 = _config->FindB("APT::FTPArchive::MD5",true); - DoSHA1 = _config->FindB("APT::FTPArchive::SHA1",true); - DoSHA256 = _config->FindB("APT::FTPArchive::SHA256",true); - DoSHA512 = _config->FindB("APT::FTPArchive::SHA512",true); + ConfigToDoHashes(DoHashes, "APT::FTPArchive"); } /*}}}*/ +FTWScanner::~FTWScanner() +{ + if (Output != NULL && OwnsOutput) + delete Output; +} // FTWScanner::Scanner - FTW Scanner /*{{{*/ // --------------------------------------------------------------------- -/* This is the FTW scanner, it processes each directory element in the +/* This is the FTW scanner, it processes each directory element in the directory tree. */ -int FTWScanner::ScannerFTW(const char *File,const struct stat *sb,int Flag) +int FTWScanner::ScannerFTW(const char *File,const struct stat * /*sb*/,int Flag) { if (Flag == FTW_DNR) { @@ -275,14 +303,13 @@ bool FTWScanner::Delink(string &FileName,const char *OriginalPath, _error->Errno("readlink",_("Failed to readlink %s"),OriginalPath); else { - if (unlink(OriginalPath) != 0) - _error->Errno("unlink",_("Failed to unlink %s"),OriginalPath); - else + if (RemoveFile("FTWScanner::Delink", 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); @@ -299,6 +326,32 @@ bool FTWScanner::Delink(string &FileName,const char *OriginalPath, FileName = OriginalPath; } + return true; +} + /*}}}*/ +// FTWScanner::SetExts - Set extensions to support /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool FTWScanner::SetExts(string const &Vals) +{ + ClearPatterns(); + string::size_type Start = 0; + while (Start <= Vals.length()-1) + { + string::size_type const Space = Vals.find(' ',Start); + string::size_type const Length = ((Space == string::npos) ? Vals.length() : Space) - Start; + if ( Arch.empty() == false ) + { + AddPattern(string("*_") + Arch + Vals.substr(Start, Length)); + if (IncludeArchAll == true && Arch != "all") + AddPattern(string("*_all") + Vals.substr(Start, Length)); + } + else + AddPattern(string("*") + Vals.substr(Start, Length)); + + Start += Length + 1; + } + return true; } /*}}}*/ @@ -306,19 +359,16 @@ bool FTWScanner::Delink(string &FileName,const char *OriginalPath, // PackagesWriter::PackagesWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -PackagesWriter::PackagesWriter(string const &DB,string const &Overrides,string const &ExtOverrides, - string const &Arch) : - FTWScanner(Arch), Db(DB), Stats(Db.Stats), TransWriter(NULL) +PackagesWriter::PackagesWriter(FileFd * const GivenOutput, TranslationWriter * const transWriter, + string const &DB,string const &Overrides,string const &ExtOverrides, + string const &Arch, bool const IncludeArchAll) : + FTWScanner(GivenOutput, Arch, IncludeArchAll), Db(DB), Stats(Db.Stats), TransWriter(transWriter) { - Output = stdout; SetExts(".deb .udeb"); DeLinkLimit = 0; // Process the command line options - 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); + ConfigToDoHashes(DoHashes, "APT::FTPArchive::Packages"); DoAlwaysStat = _config->FindB("APT::FTPArchive::AlwaysStat", false); DoContents = _config->FindB("APT::FTPArchive::Contents",true); NoOverride = _config->FindB("APT::FTPArchive::NoOverrideMsg",false); @@ -339,32 +389,6 @@ PackagesWriter::PackagesWriter(string const &DB,string const &Overrides,string c _error->DumpErrors(); } /*}}}*/ -// FTWScanner::SetExts - Set extensions to support /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool FTWScanner::SetExts(string const &Vals) -{ - ClearPatterns(); - string::size_type Start = 0; - while (Start <= Vals.length()-1) - { - string::size_type const Space = Vals.find(' ',Start); - string::size_type const Length = ((Space == string::npos) ? Vals.length() : Space) - Start; - if ( Arch.empty() == false ) - { - AddPattern(string("*_") + Arch + Vals.substr(Start, Length)); - AddPattern(string("*_all") + Vals.substr(Start, Length)); - } - else - AddPattern(string("*") + Vals.substr(Start, Length)); - - Start += Length + 1; - } - - return true; -} - - /*}}}*/ // PackagesWriter::DoPackage - Process a single package /*{{{*/ // --------------------------------------------------------------------- /* This method takes a package and gets its control information and @@ -373,10 +397,14 @@ bool FTWScanner::SetExts(string const &Vals) bool PackagesWriter::DoPackage(string FileName) { // Pull all the data we need form the DB - if (Db.GetFileInfo(FileName, true, DoContents, true, DoMD5, DoSHA1, DoSHA256, DoSHA512, DoAlwaysStat) - == false) + if (Db.GetFileInfo(FileName, + true, /* DoControl */ + DoContents, + true, /* GenContentsOnly */ + false, /* DoSource */ + DoHashes, DoAlwaysStat) == false) { - return false; + return false; } unsigned long long FileSize = Db.GetFileSize(); @@ -395,7 +423,7 @@ bool PackagesWriter::DoPackage(string FileName) Architecture = Arch; else Architecture = Tags.FindS("Architecture"); - auto_ptr OverItem(Over.GetItem(Package,Architecture)); + unique_ptr OverItem(Over.GetItem(Package,Architecture)); if (Package.empty() == true) return _error->Error(_("Archive had no package field")); @@ -409,14 +437,11 @@ bool PackagesWriter::DoPackage(string FileName) ioprintf(c1out, _(" %s has no override entry\n"), Package.c_str()); } - OverItem = auto_ptr(new Override::Item); + OverItem = unique_ptr(new Override::Item); OverItem->FieldOverride["Section"] = Tags.FindS("Section"); OverItem->Priority = Tags.FindS("Priority"); } - char Size[40]; - sprintf(Size,"%llu", (unsigned long long) FileSize); - // Strip the DirStrip prefix from the FileName and add the PathPrefix string NewFileName; if (DirStrip.empty() == false && @@ -438,30 +463,32 @@ bool PackagesWriter::DoPackage(string FileName) } // This lists all the changes to the fields we are going to make. - // (7 hardcoded + maintainer + suggests + end marker) - TFRewriteData Changes[6+2+OverItem->FieldOverride.size()+1+1]; - - unsigned int End = 0; - SetTFRewriteData(Changes[End++], "Size", Size); - if (DoMD5 == true) - SetTFRewriteData(Changes[End++], "MD5sum", Db.MD5Res.c_str()); - if (DoSHA1 == true) - SetTFRewriteData(Changes[End++], "SHA1", Db.SHA1Res.c_str()); - if (DoSHA256 == true) - SetTFRewriteData(Changes[End++], "SHA256", Db.SHA256Res.c_str()); - if (DoSHA512 == true) - SetTFRewriteData(Changes[End++], "SHA512", Db.SHA512Res.c_str()); - SetTFRewriteData(Changes[End++], "Filename", NewFileName.c_str()); - SetTFRewriteData(Changes[End++], "Priority", OverItem->Priority.c_str()); - SetTFRewriteData(Changes[End++], "Status", 0); - SetTFRewriteData(Changes[End++], "Optional", 0); + std::vector Changes; + + std::string Size; + strprintf(Size, "%llu", (unsigned long long) FileSize); + Changes.push_back(pkgTagSection::Tag::Rewrite("Size", Size)); + + for (HashStringList::const_iterator hs = Db.HashesList.begin(); hs != Db.HashesList.end(); ++hs) + { + if (hs->HashType() == "MD5Sum") + Changes.push_back(pkgTagSection::Tag::Rewrite("MD5sum", hs->HashValue())); + else if (hs->HashType() == "Checksum-FileSize") + continue; + else + Changes.push_back(pkgTagSection::Tag::Rewrite(hs->HashType(), hs->HashValue())); + } + Changes.push_back(pkgTagSection::Tag::Rewrite("Filename", NewFileName)); + Changes.push_back(pkgTagSection::Tag::Rewrite("Priority", OverItem->Priority)); + Changes.push_back(pkgTagSection::Tag::Remove("Status")); + Changes.push_back(pkgTagSection::Tag::Remove("Optional")); string DescriptionMd5; if (LongDescription == false) { MD5Summation descmd5; descmd5.Add(desc.c_str()); DescriptionMd5 = descmd5.Result().Value(); - SetTFRewriteData(Changes[End++], "Description-md5", DescriptionMd5.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Description-md5", DescriptionMd5)); if (TransWriter != NULL) TransWriter->DoPackage(Package, desc, DescriptionMd5); } @@ -476,12 +503,12 @@ bool PackagesWriter::DoPackage(string FileName) NewLine(1); ioprintf(c1out, _(" %s maintainer is %s not %s\n"), Package.c_str(), Tags.FindS("Maintainer").c_str(), OverItem->OldMaint.c_str()); - } + } } - + if (NewMaint.empty() == false) - SetTFRewriteData(Changes[End++], "Maintainer", NewMaint.c_str()); - + Changes.push_back(pkgTagSection::Tag::Rewrite("Maintainer", NewMaint)); + /* Get rid of the Optional tag. This is an ugly, ugly, ugly hack that dpkg-scanpackages does. Well sort of. dpkg-scanpackages just does renaming but dpkg does this append bit. So we do the append bit, at least that way the @@ -492,36 +519,37 @@ bool PackagesWriter::DoPackage(string FileName) { if (Tags.FindS("Suggests").empty() == false) OptionalStr = Tags.FindS("Suggests") + ", " + OptionalStr; - SetTFRewriteData(Changes[End++], "Suggests", OptionalStr.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Suggests", OptionalStr)); } - for (map::const_iterator I = OverItem->FieldOverride.begin(); + for (map::const_iterator I = OverItem->FieldOverride.begin(); I != OverItem->FieldOverride.end(); ++I) - SetTFRewriteData(Changes[End++],I->first.c_str(),I->second.c_str()); - - SetTFRewriteData(Changes[End++], 0, 0); + Changes.push_back(pkgTagSection::Tag::Rewrite(I->first, I->second)); // Rewrite and store the fields. - if (TFRewrite(Output,Tags,TFRewritePackageOrder,Changes) == false) + if (Tags.Write(*Output, TFRewritePackageOrder, Changes) == false || + Output->Write("\n", 1) == false) return false; - fprintf(Output,"\n"); return Db.Finish(); } /*}}}*/ +PackagesWriter::~PackagesWriter() /*{{{*/ +{ +} + /*}}}*/ // TranslationWriter::TranslationWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Create a Translation-Master file for this Packages file */ TranslationWriter::TranslationWriter(string const &File, string const &TransCompress, - mode_t const &Permissions) : Output(NULL), - RefCounter(0) + mode_t const &Permissions) : Comp(NULL), Output(NULL) { if (File.empty() == true) return; Comp = new MultiCompress(File, TransCompress, Permissions); - Output = Comp->Input; + Output = &Comp->Input; } /*}}}*/ // TranslationWriter::DoPackage - Process a single package /*{{{*/ @@ -540,8 +568,10 @@ bool TranslationWriter::DoPackage(string const &Pkg, string const &Desc, if (Included.find(Record) != Included.end()) return true; - fprintf(Output, "Package: %s\nDescription-md5: %s\nDescription-en: %s\n", + std::string out; + strprintf(out, "Package: %s\nDescription-md5: %s\nDescription-en: %s\n", Pkg.c_str(), MD5.c_str(), Desc.c_str()); + Output->Write(out.c_str(), out.length()); Included.insert(Record); return true; @@ -552,30 +582,27 @@ bool TranslationWriter::DoPackage(string const &Pkg, string const &Desc, /* */ TranslationWriter::~TranslationWriter() { - if (Comp == NULL) - return; - - delete Comp; + if (Comp != NULL) + delete Comp; } /*}}}*/ // SourcesWriter::SourcesWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -SourcesWriter::SourcesWriter(string const &BOverrides,string const &SOverrides, - string const &ExtOverrides) +SourcesWriter::SourcesWriter(FileFd * const GivenOutput, string const &DB, string const &BOverrides,string const &SOverrides, + string const &ExtOverrides) : + FTWScanner(GivenOutput), Db(DB), Stats(Db.Stats) { - Output = stdout; AddPattern("*.dsc"); DeLinkLimit = 0; Buffer = 0; BufSize = 0; // Process the command line options - DoMD5 = _config->FindB("APT::FTPArchive::Sources::MD5",DoMD5); - DoSHA1 = _config->FindB("APT::FTPArchive::Sources::SHA1",DoSHA1); - DoSHA256 = _config->FindB("APT::FTPArchive::Sources::SHA256",DoSHA256); + ConfigToDoHashes(DoHashes, "APT::FTPArchive::Sources"); 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) @@ -595,85 +622,48 @@ SourcesWriter::SourcesWriter(string const &BOverrides,string const &SOverrides, } /*}}}*/ // SourcesWriter::DoPackage - Process a single package /*{{{*/ -// --------------------------------------------------------------------- -/* */ +static std::string getDscHash(unsigned int const DoHashes, + Hashes::SupportedHashes const DoIt, pkgTagSection &Tags, char const * const FieldName, + HashString const * const Hash, unsigned long long Size, std::string const &FileName) +{ + if ((DoHashes & DoIt) != DoIt || Tags.Exists(FieldName) == false || Hash == NULL) + return ""; + std::ostringstream out; + out << "\n " << Hash->HashValue() << " " << std::to_string(Size) << " " << FileName + << "\n " << Tags.FindS(FieldName); + return out.str(); +} bool SourcesWriter::DoPackage(string FileName) -{ - // Open the archive - FileFd F(FileName,FileFd::ReadOnly); - if (_error->PendingError() == true) - 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) - return _error->Error("DSC file '%s' is too large!",FileName.c_str()); - - if (BufSize < (unsigned long long)St.st_size+1) +{ + // Pull all the data we need form the DB + if (Db.GetFileInfo(FileName, + false, /* DoControl */ + false, /* DoContents */ + false, /* GenContentsOnly */ + true, /* DoSource */ + DoHashes, DoAlwaysStat) == false) { - BufSize = St.st_size+1; - Buffer = (char *)realloc(Buffer,St.st_size+1); - } - - if (F.Read(Buffer,St.st_size) == false) return false; - - // Hash the file - char *Start = Buffer; - char *BlkEnd = Buffer + St.st_size; - - MD5Summation MD5; - SHA1Summation SHA1; - SHA256Summation SHA256; - SHA256Summation SHA512; - - 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++) - { - if (*MsgEnd == '\n' && strncmp(MsgEnd+1,Key,strlen(Key)) == 0) - { - MsgEnd[1] = '\n'; - break; - } } - - /* Read records until we locate the Source record. This neatly skips the - GPG header (which is RFC822 formed) without any trouble. */ + + // we need to perform a "write" here (this is what finish is doing) + // because the call to Db.GetFileInfo() in the loop will change + // the "db cursor" + Db.Finish(); + pkgTagSection Tags; - do - { - 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(); - } - while (1); + if (Tags.Scan(Db.Dsc.Data.c_str(), Db.Dsc.Data.length()) == false) + return _error->Error("Could not find a record in the DSC '%s'",FileName.c_str()); + + if (Tags.Exists("Source") == false) + return _error->Error("Could not find a Source entry 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"); char Buffer[Bins.length() + 1]; - auto_ptr OverItem(0); + unique_ptr OverItem(nullptr); if (Bins.empty() == false) { strcpy(Buffer,Bins.c_str()); @@ -686,7 +676,7 @@ bool SourcesWriter::DoPackage(string FileName) unsigned char BestPrioV = pkgCache::State::Extra; for (unsigned I = 0; BinList[I] != 0; I++) { - auto_ptr Itm(BOver.GetItem(BinList[I])); + unique_ptr Itm(BOver.GetItem(BinList[I])); if (Itm.get() == 0) continue; @@ -698,7 +688,7 @@ bool SourcesWriter::DoPackage(string FileName) } if (OverItem.get() == 0) - OverItem = Itm; + OverItem = std::move(Itm); } } @@ -711,48 +701,33 @@ bool SourcesWriter::DoPackage(string FileName) ioprintf(c1out, _(" %s has no override entry\n"), Tags.FindS("Source").c_str()); } - OverItem = auto_ptr(new Override::Item); + OverItem.reset(new Override::Item); } - auto_ptr SOverItem(SOver.GetItem(Tags.FindS("Source"))); - // const auto_ptr autoSOverItem(SOverItem); + struct stat St; + if (stat(FileName.c_str(), &St) != 0) + return _error->Errno("fstat","Failed to stat %s",FileName.c_str()); + + unique_ptr SOverItem(SOver.GetItem(Tags.FindS("Source"))); + // const unique_ptr autoSOverItem(SOverItem); if (SOverItem.get() == 0) { ioprintf(c1out, _(" %s has no source override entry\n"), Tags.FindS("Source").c_str()); - SOverItem = auto_ptr(BOver.GetItem(Tags.FindS("Source"))); + SOverItem = unique_ptr(BOver.GetItem(Tags.FindS("Source"))); if (SOverItem.get() == 0) { ioprintf(c1out, _(" %s has no binary override entry either\n"), Tags.FindS("Source").c_str()); - SOverItem = auto_ptr(new Override::Item); + SOverItem = unique_ptr(new Override::Item); *SOverItem = *OverItem; } } - + // Add the dsc to the files hash list string const strippedName = flNotDir(FileName); - std::ostringstream ostreamFiles; - if (DoMD5 == true && Tags.Exists("Files")) - ostreamFiles << "\n " << string(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 << " " - << 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 << " " - << 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 << " " - << strippedName << "\n " << Tags.FindS("Checksums-Sha512"); - string const ChecksumsSha512 = ostreamSha512.str(); + std::string const Files = getDscHash(DoHashes, Hashes::MD5SUM, Tags, "Files", Db.HashesList.find("MD5Sum"), St.st_size, strippedName); + std::string ChecksumsSha1 = getDscHash(DoHashes, Hashes::SHA1SUM, Tags, "Checksums-Sha1", Db.HashesList.find("SHA1"), St.st_size, strippedName); + std::string ChecksumsSha256 = getDscHash(DoHashes, Hashes::SHA256SUM, Tags, "Checksums-Sha256", Db.HashesList.find("SHA256"), St.st_size, strippedName); + std::string ChecksumsSha512 = getDscHash(DoHashes, Hashes::SHA512SUM, Tags, "Checksums-Sha512", Db.HashesList.find("SHA512"), St.st_size, strippedName); // Strip the DirStrip prefix from the FileName and add the PathPrefix string NewFileName; @@ -768,21 +743,77 @@ 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; for (;isspace(*C); C++); while (*C != 0) - { + { // Parse each of the elements if (ParseQuoteWord(C,ParseJnk) == false || 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 (((DoHashes & Hashes::SHA1SUM) == Hashes::SHA1SUM && !Tags.Exists("Checksums-Sha1")) || + ((DoHashes & Hashes::SHA256SUM) == Hashes::SHA256SUM && !Tags.Exists("Checksums-Sha256")) || + ((DoHashes & Hashes::SHA512SUM) == Hashes::SHA512SUM && !Tags.Exists("Checksums-Sha512"))) + { + if (Db.GetFileInfo(OriginalPath, + false, /* DoControl */ + false, /* DoContents */ + false, /* GenContentsOnly */ + false, /* DoSource */ + DoHashes, + DoAlwaysStat) == false) + { + return _error->Error("Error getting file info"); + } + + for (HashStringList::const_iterator hs = Db.HashesList.begin(); hs != Db.HashesList.end(); ++hs) + { + if (hs->HashType() == "MD5Sum" || hs->HashType() == "Checksum-FileSize") + continue; + char const * fieldname; + std::string * out; + if (hs->HashType() == "SHA1") + { + fieldname = "Checksums-Sha1"; + out = &ChecksumsSha1; + } + else if (hs->HashType() == "SHA256") + { + fieldname = "Checksums-Sha256"; + out = &ChecksumsSha256; + } + else if (hs->HashType() == "SHA512") + { + fieldname = "Checksums-Sha512"; + out = &ChecksumsSha512; + } + else + { + _error->Warning("Ignoring unknown Checksumtype %s in SourcesWriter::DoPackages", hs->HashType().c_str()); + continue; + } + if (Tags.Exists(fieldname) == true) + continue; + std::ostringstream streamout; + streamout << "\n " << hs->HashValue() << " " << std::to_string(Db.GetFileSize()) << " " << ParseJnk; + out->append(streamout.str()); + } + + // write back the GetFileInfo() stats data + Db.Finish(); + } + + // Perform the delinking operation + char Jnk[2]; + if (readlink(OriginalPath.c_str(),Jnk,sizeof(Jnk)) != -1 && (RealPath = realpath(OriginalPath.c_str(),NULL)) != 0) { @@ -799,48 +830,46 @@ bool SourcesWriter::DoPackage(string FileName) // 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]; + std::vector Changes; - unsigned int End = 0; - SetTFRewriteData(Changes[End++],"Source",Package.c_str(),"Package"); + Changes.push_back(pkgTagSection::Tag::Remove("Source")); + Changes.push_back(pkgTagSection::Tag::Rewrite("Package", Package)); if (Files.empty() == false) - SetTFRewriteData(Changes[End++],"Files",Files.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Files", Files)); if (ChecksumsSha1.empty() == false) - SetTFRewriteData(Changes[End++],"Checksums-Sha1",ChecksumsSha1.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Checksums-Sha1", ChecksumsSha1)); if (ChecksumsSha256.empty() == false) - SetTFRewriteData(Changes[End++],"Checksums-Sha256",ChecksumsSha256.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Checksums-Sha256", ChecksumsSha256)); if (ChecksumsSha512.empty() == false) - SetTFRewriteData(Changes[End++],"Checksums-Sha512",ChecksumsSha512.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite("Checksums-Sha512", ChecksumsSha512)); if (Directory != "./") - SetTFRewriteData(Changes[End++],"Directory",Directory.c_str()); - SetTFRewriteData(Changes[End++],"Priority",BestPrio.c_str()); - SetTFRewriteData(Changes[End++],"Status",0); + Changes.push_back(pkgTagSection::Tag::Rewrite("Directory", Directory)); + Changes.push_back(pkgTagSection::Tag::Rewrite("Priority", BestPrio)); + Changes.push_back(pkgTagSection::Tag::Remove("Status")); // Rewrite the maintainer field if necessary bool MaintFailed; - string NewMaint = OverItem->SwapMaint(Tags.FindS("Maintainer"),MaintFailed); + string NewMaint = OverItem->SwapMaint(Tags.FindS("Maintainer"), MaintFailed); if (MaintFailed == true) { if (NoOverride == false) { - NewLine(1); + NewLine(1); ioprintf(c1out, _(" %s maintainer is %s not %s\n"), Package.c_str(), Tags.FindS("Maintainer").c_str(), OverItem->OldMaint.c_str()); - } + } } if (NewMaint.empty() == false) - SetTFRewriteData(Changes[End++], "Maintainer", NewMaint.c_str()); - - for (map::const_iterator I = SOverItem->FieldOverride.begin(); + Changes.push_back(pkgTagSection::Tag::Rewrite("Maintainer", NewMaint.c_str())); + + for (map::const_iterator I = SOverItem->FieldOverride.begin(); I != SOverItem->FieldOverride.end(); ++I) - SetTFRewriteData(Changes[End++],I->first.c_str(),I->second.c_str()); + Changes.push_back(pkgTagSection::Tag::Rewrite(I->first, I->second)); - SetTFRewriteData(Changes[End++], 0, 0); - // Rewrite and store the fields. - if (TFRewrite(Output,Tags,TFRewriteSourceOrder,Changes) == false) + if (Tags.Write(*Output, TFRewriteSourceOrder, Changes) == false || + Output->Write("\n", 1) == false) return false; - fprintf(Output,"\n"); Stats.Packages++; @@ -851,12 +880,12 @@ bool SourcesWriter::DoPackage(string FileName) // ContentsWriter::ContentsWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -ContentsWriter::ContentsWriter(string const &DB, string const &Arch) : - FTWScanner(Arch), Db(DB), Stats(Db.Stats) +ContentsWriter::ContentsWriter(FileFd * const GivenOutput, string const &DB, + string const &Arch, bool const IncludeArchAll) : + FTWScanner(GivenOutput, Arch, IncludeArchAll), Db(DB), Stats(Db.Stats) { SetExts(".deb"); - Output = stdout; } /*}}}*/ // ContentsWriter::DoPackage - Process a single package /*{{{*/ @@ -865,7 +894,13 @@ ContentsWriter::ContentsWriter(string const &DB, string const &Arch) : determine what the package name is. */ bool ContentsWriter::DoPackage(string FileName, string Package) { - if (!Db.GetFileInfo(FileName, Package.empty(), true, false, false, false, false, false)) + if (!Db.GetFileInfo(FileName, + Package.empty(), /* DoControl */ + true, /* DoContents */ + false, /* GenContentsOnly */ + false, /* DoSource */ + 0, /* DoHashes */ + false /* checkMtime */)) { return false; } @@ -932,49 +967,42 @@ bool ContentsWriter::ReadFromPkgs(string const &PkgFile,string const &PkgCompres // ReleaseWriter::ReleaseWriter - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -ReleaseWriter::ReleaseWriter(string const &DB) +static std::string formatUTCDateTime(time_t const now) +{ + bool const NumericTimezone = _config->FindB("APT::FTPArchive::Release::NumericTimezone", true); + // TimeRFC1123 uses GMT to satisfy HTTP/1.1 + std::string datetime = TimeRFC1123(now, NumericTimezone); + if (NumericTimezone == false) + { + auto const lastspace = datetime.rfind(' '); + if (likely(lastspace != std::string::npos)) + datetime.replace(lastspace + 1, 3, "UTC"); + } + return datetime; +} +ReleaseWriter::ReleaseWriter(FileFd * const GivenOutput, string const &/*DB*/) : FTWScanner(GivenOutput) { if (_config->FindB("APT::FTPArchive::Release::Default-Patterns", true) == true) { AddPattern("Packages"); - AddPattern("Packages.gz"); - AddPattern("Packages.bz2"); - AddPattern("Packages.lzma"); - AddPattern("Packages.xz"); + AddPattern("Packages.*"); AddPattern("Translation-*"); AddPattern("Sources"); - AddPattern("Sources.gz"); - AddPattern("Sources.bz2"); - AddPattern("Sources.lzma"); - AddPattern("Sources.xz"); + AddPattern("Sources.*"); AddPattern("Release"); + AddPattern("Contents-*"); AddPattern("Index"); + AddPattern("Index.*"); + AddPattern("icons-*.tar"); + AddPattern("icons-*.tar.*"); + AddPattern("Components-*.yml"); + AddPattern("Components-*.yml.*"); AddPattern("md5sum.txt"); } AddPatterns(_config->FindVector("APT::FTPArchive::Release::Patterns")); - Output = stdout; time_t const now = time(NULL); - - setlocale(LC_TIME, "C"); - - char datestr[128]; - if (strftime(datestr, sizeof(datestr), "%a, %d %b %Y %H:%M:%S UTC", - gmtime(&now)) == 0) - { - datestr[0] = '\0'; - } - time_t const validuntil = now + _config->FindI("APT::FTPArchive::Release::ValidTime", 0); - char validstr[128]; - if (now == validuntil || - strftime(validstr, sizeof(validstr), "%a, %d %b %Y %H:%M:%S UTC", - gmtime(&validuntil)) == 0) - { - validstr[0] = '\0'; - } - - setlocale(LC_TIME, ""); map Fields; Fields["Origin"] = ""; @@ -982,12 +1010,16 @@ ReleaseWriter::ReleaseWriter(string const &DB) Fields["Suite"] = ""; Fields["Version"] = ""; Fields["Codename"] = ""; - Fields["Date"] = datestr; - Fields["Valid-Until"] = validstr; + Fields["Date"] = formatUTCDateTime(now); + if (validuntil != now) + Fields["Valid-Until"] = formatUTCDateTime(validuntil); Fields["Architectures"] = ""; Fields["Components"] = ""; Fields["Description"] = ""; - + Fields["Signed-By"] = ""; + if (_config->FindB("APT::FTPArchive::DoByHash", false) == true) + Fields["Acquire-By-Hash"] = "true"; + for(map::const_iterator I = Fields.begin(); I != Fields.end(); ++I) @@ -997,12 +1029,11 @@ ReleaseWriter::ReleaseWriter(string const &DB) if (Value == "") continue; - fprintf(Output, "%s: %s\n", (*I).first.c_str(), Value.c_str()); + std::string const out = I->first + ": " + Value + "\n"; + Output->Write(out.c_str(), out.length()); } - DoMD5 = _config->FindB("APT::FTPArchive::Release::MD5",DoMD5); - DoSHA1 = _config->FindB("APT::FTPArchive::Release::SHA1",DoSHA1); - DoSHA256 = _config->FindB("APT::FTPArchive::Release::SHA256",DoSHA256); + ConfigToDoHashes(DoHashes, "APT::FTPArchive::Release"); } /*}}}*/ // ReleaseWriter::DoPackage - Process a single package /*{{{*/ @@ -1035,72 +1066,109 @@ bool ReleaseWriter::DoPackage(string FileName) CheckSums[NewFileName].size = fd.Size(); - Hashes hs; - hs.AddFD(fd, 0, DoMD5, DoSHA1, DoSHA256, DoSHA512); - if (DoMD5 == true) - CheckSums[NewFileName].MD5 = hs.MD5.Result(); - if (DoSHA1 == true) - CheckSums[NewFileName].SHA1 = hs.SHA1.Result(); - if (DoSHA256 == true) - CheckSums[NewFileName].SHA256 = hs.SHA256.Result(); - if (DoSHA512 == true) - CheckSums[NewFileName].SHA512 = hs.SHA512.Result(); + Hashes hs(DoHashes); + hs.AddFD(fd); + CheckSums[NewFileName].Hashes = hs.GetHashStringList(); fd.Close(); + // FIXME: wrong layer in the code(?) + // FIXME2: symlink instead of create a copy + if (_config->FindB("APT::FTPArchive::DoByHash", false) == true) + { + std::string Input = FileName; + HashStringList hsl = hs.GetHashStringList(); + for(HashStringList::const_iterator h = hsl.begin(); + h != hsl.end(); ++h) + { + if (!h->usable()) + continue; + if (flNotDir(FileName) == "Release" || flNotDir(FileName) == "InRelease") + continue; + + std::string ByHashOutputFile = GenByHashFilename(Input, *h); + std::string ByHashOutputDir = flNotFile(ByHashOutputFile); + if(!CreateDirectory(flNotFile(Input), ByHashOutputDir)) + return _error->Warning("can not create dir %s", flNotFile(ByHashOutputFile).c_str()); + + // write new hashes + FileFd In(Input, FileFd::ReadOnly); + FileFd Out(ByHashOutputFile, FileFd::WriteEmpty); + if(!CopyFile(In, Out)) + return _error->Warning("failed to copy %s %s", Input.c_str(), ByHashOutputFile.c_str()); + } + } + return true; } /*}}}*/ // ReleaseWriter::Finish - Output the checksums /*{{{*/ // --------------------------------------------------------------------- -void ReleaseWriter::Finish() +static void printChecksumTypeRecord(FileFd &Output, char const * const Type, map const &CheckSums) { - if (DoMD5 == true) { - fprintf(Output, "MD5Sum:\n"); - for(map::const_iterator I = CheckSums.begin(); - I != CheckSums.end(); ++I) - { - fprintf(Output, " %s %16llu %s\n", - (*I).second.MD5.c_str(), - (*I).second.size, - (*I).first.c_str()); - } + std::string out; + strprintf(out, "%s:\n", Type); + Output.Write(out.c_str(), out.length()); } - if (DoSHA1 == true) + for(map::const_iterator I = CheckSums.begin(); + I != CheckSums.end(); ++I) { - fprintf(Output, "SHA1:\n"); - for(map::const_iterator I = CheckSums.begin(); - I != CheckSums.end(); ++I) - { - fprintf(Output, " %s %16llu %s\n", - (*I).second.SHA1.c_str(), - (*I).second.size, - (*I).first.c_str()); - } + HashString const * const hs = I->second.Hashes.find(Type); + if (hs == NULL) + continue; + std::string out; + strprintf(out, " %s %16llu %s\n", + hs->HashValue().c_str(), + (*I).second.size, + (*I).first.c_str()); + Output.Write(out.c_str(), out.length()); } - if (DoSHA256 == true) +} +void ReleaseWriter::Finish() +{ + if ((DoHashes & Hashes::MD5SUM) == Hashes::MD5SUM) + printChecksumTypeRecord(*Output, "MD5Sum", CheckSums); + if ((DoHashes & Hashes::SHA1SUM) == Hashes::SHA1SUM) + printChecksumTypeRecord(*Output, "SHA1", CheckSums); + if ((DoHashes & Hashes::SHA256SUM) == Hashes::SHA256SUM) + printChecksumTypeRecord(*Output, "SHA256", CheckSums); + if ((DoHashes & Hashes::SHA512SUM) == Hashes::SHA512SUM) + printChecksumTypeRecord(*Output, "SHA512", CheckSums); + + // go by-hash cleanup + map::const_iterator prev = CheckSums.begin(); + if (_config->FindB("APT::FTPArchive::DoByHash", false) == true) { - fprintf(Output, "SHA256:\n"); - for(map::const_iterator I = CheckSums.begin(); - I != CheckSums.end(); ++I) + for(map::const_iterator I = CheckSums.begin(); + I != CheckSums.end(); ++I) { - fprintf(Output, " %s %16llu %s\n", - (*I).second.SHA256.c_str(), - (*I).second.size, - (*I).first.c_str()); + if (I->first == "Release" || I->first == "InRelease") + continue; + + // keep iterating until we find a new subdir + if(flNotFile(I->first) == flNotFile(prev->first)) + continue; + + // clean that subdir up + int keepFiles = _config->FindI("APT::FTPArchive::By-Hash-Keep", 3); + // calculate how many compressors are used (the amount of files + // in that subdir generated for this run) + keepFiles *= std::distance(prev, I); + prev = I; + + HashStringList hsl = prev->second.Hashes; + for(HashStringList::const_iterator h = hsl.begin(); + h != hsl.end(); ++h) + { + + if (!h->usable()) + continue; + + std::string RealFilename = DirStrip+"/"+prev->first; + std::string ByHashOutputFile = GenByHashFilename(RealFilename, *h); + DeleteAllButMostRecent(flNotFile(ByHashOutputFile), keepFiles); + } } } - - fprintf(Output, "SHA512:\n"); - for(map::const_iterator I = CheckSums.begin(); - I != CheckSums.end(); - ++I) - { - fprintf(Output, " %s %16llu %s\n", - (*I).second.SHA512.c_str(), - (*I).second.size, - (*I).first.c_str()); - } - }