X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/917832191acb189705762e13aab3b7c5e6e26653..3621b1c70f532c61ccfee6a65c413ee573ed4900:/apt-inst/deb/debfile.cc diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc index cd7a88808..4853a13c7 100644 --- a/apt-inst/deb/debfile.cc +++ b/apt-inst/deb/debfile.cc @@ -16,13 +16,22 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ +#include + #include #include #include -#include +#include +#include +#include +#include +#include +#include +#include +#include #include -#include + #include /*}}}*/ @@ -39,15 +48,19 @@ debDebFile::debDebFile(FileFd &File) : File(File), AR(File) return; } - if (!CheckMember("control.tar.gz")) { - _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "control.tar.gz"); + if (!CheckMember("control.tar") && + !CheckMember("control.tar.gz") && + !CheckMember("control.tar.xz")) { + _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "control.tar"); return; } - if (!CheckMember("data.tar.gz") && + if (!CheckMember("data.tar") && + !CheckMember("data.tar.gz") && !CheckMember("data.tar.bz2") && - !CheckMember("data.tar.lzma")) { - _error->Error(_("This is not a valid DEB archive, it has no '%s', '%s' or '%s' member"), "data.tar.gz", "data.tar.bz2", "data.tar.lzma"); + !CheckMember("data.tar.lzma") && + !CheckMember("data.tar.xz")) { + _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "data.tar"); return; } } @@ -84,63 +97,44 @@ const ARArchive::Member *debDebFile::GotoMember(const char *Name) return Member; } /*}}}*/ -// DebFile::ExtractControl - Extract Control information /*{{{*/ -// --------------------------------------------------------------------- -/* Extract the control information into the Database's temporary - directory. */ -bool debDebFile::ExtractControl(pkgDataBase &DB) -{ - // Get the archive member and positition the file - const ARArchive::Member *Member = GotoMember("control.tar.gz"); - if (Member == 0) - return false; - - // Prepare Tar - ControlExtract Extract; - ExtractTar Tar(File,Member->Size,"gzip"); - if (_error->PendingError() == true) - return false; - - // Get into the temporary directory - string Cwd = SafeGetCWD(); - string Tmp; - if (DB.GetMetaTmp(Tmp) == false) - return false; - if (chdir(Tmp.c_str()) != 0) - return _error->Errno("chdir",_("Couldn't change to %s"),Tmp.c_str()); - - // Do extraction - if (Tar.Go(Extract) == false) - return false; - - // Switch out of the tmp directory. - if (chdir(Cwd.c_str()) != 0) - chdir("/"); - - return true; -} - /*}}}*/ -// DebFile::ExtractArchive - Extract the archive data itself /*{{{*/ +// DebFile::ExtractTarMember - Extract the contents of a tar member /*{{{*/ // --------------------------------------------------------------------- /* Simple wrapper around tar.. */ -bool debDebFile::ExtractArchive(pkgDirStream &Stream) +bool debDebFile::ExtractTarMember(pkgDirStream &Stream,const char *Name) { - // Get the archive member and positition the file - const ARArchive::Member *Member = AR.FindMember("data.tar.gz"); - const char *Compressor = "gzip"; - if (Member == 0) { - Member = AR.FindMember("data.tar.bz2"); - Compressor = "bzip2"; + // Get the archive member + const ARArchive::Member *Member = NULL; + std::string Compressor; + + std::vector compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + Member = AR.FindMember(std::string(Name).append(c->Extension).c_str()); + if (Member == NULL) + continue; + Compressor = c->Binary; + break; } - if (Member == 0) { - Member = AR.FindMember("data.tar.lzma"); - Compressor = "lzma"; + + if (Member == NULL) + Member = AR.FindMember(std::string(Name).c_str()); + + if (Member == NULL) + { + std::string ext = std::string(Name) + ".{"; + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) { + if (!c->Extension.empty()) + ext.append(c->Extension.substr(1)); + } + ext.append("}"); + return _error->Error(_("Internal error, could not locate member %s"), ext.c_str()); } - if (Member == 0) - return _error->Error(_("Internal error, could not locate member")); + if (File.Seek(Member->Start) == false) return false; - + // Prepare Tar ExtractTar Tar(File,Member->Size,Compressor); if (_error->PendingError() == true) @@ -148,30 +142,12 @@ bool debDebFile::ExtractArchive(pkgDirStream &Stream) return Tar.Go(Stream); } /*}}}*/ -// DebFile::MergeControl - Merge the control information /*{{{*/ +// DebFile::ExtractArchive - Extract the archive data itself /*{{{*/ // --------------------------------------------------------------------- -/* This reads the extracted control file into the cache and returns the - version that was parsed. All this really does is select the correct - parser and correct file to parse. */ -pkgCache::VerIterator debDebFile::MergeControl(pkgDataBase &DB) +/* Simple wrapper around DebFile::ExtractTarMember. */ +bool debDebFile::ExtractArchive(pkgDirStream &Stream) { - // Open the control file - string Tmp; - if (DB.GetMetaTmp(Tmp) == false) - return pkgCache::VerIterator(DB.GetCache()); - FileFd Fd(Tmp + "control",FileFd::ReadOnly); - if (_error->PendingError() == true) - return pkgCache::VerIterator(DB.GetCache()); - - // Parse it - debListParser Parse(&Fd); - pkgCache::VerIterator Ver(DB.GetCache()); - if (DB.GetGenerator().MergeList(Parse,&Ver) == false) - return pkgCache::VerIterator(DB.GetCache()); - - if (Ver.end() == true) - _error->Error(_("Failed to locate a valid control file")); - return Ver; + return ExtractTarMember(Stream, "data.tar"); } /*}}}*/ @@ -226,8 +202,8 @@ bool debDebFile::MemControlExtract::DoItem(Item &Itm,int &Fd) // --------------------------------------------------------------------- /* Just memcopy the block from the tar extractor and put it in the right place in the pre-allocated memory block. */ -bool debDebFile::MemControlExtract::Process(Item &Itm,const unsigned char *Data, - unsigned long Size,unsigned long Pos) +bool debDebFile::MemControlExtract::Process(Item &/*Itm*/,const unsigned char *Data, + unsigned long long Size,unsigned long long Pos) { memcpy(Control + Pos, Data,Size); return true; @@ -239,14 +215,7 @@ bool debDebFile::MemControlExtract::Process(Item &Itm,const unsigned char *Data, it parses it into a tag section parser. */ bool debDebFile::MemControlExtract::Read(debDebFile &Deb) { - // Get the archive member and positition the file - const ARArchive::Member *Member = Deb.GotoMember("control.tar.gz"); - if (Member == 0) - return false; - - // Extract it. - ExtractTar Tar(Deb.GetFile(),Member->Size,"gzip"); - if (Tar.Go(*this) == false) + if (Deb.ExtractTarMember(*this, "control.tar") == false) return false; if (Control == 0) @@ -263,7 +232,7 @@ bool debDebFile::MemControlExtract::Read(debDebFile &Deb) // --------------------------------------------------------------------- /* The given memory block is loaded into the parser and parsed as a control record. */ -bool debDebFile::MemControlExtract::TakeControl(const void *Data,unsigned long Size) +bool debDebFile::MemControlExtract::TakeControl(const void *Data,unsigned long long Size) { delete [] Control; Control = new char[Size+2];