X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b2e465d6d32d2dc884f58b94acb7e35f671a87fe..df7d029c6d7ff15b81f7b439991bfaef19adcaf6:/apt-inst/deb/debfile.cc diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc index c93ba88a8..79434d8b5 100644 --- a/apt-inst/deb/debfile.cc +++ b/apt-inst/deb/debfile.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: debfile.cc,v 1.2 2001/02/20 07:03:17 jgg Exp $ +// $Id: debfile.cc,v 1.3.2.1 2004/01/16 18:58:50 mdz Exp $ /* ###################################################################### Debian Archive File (.deb) @@ -16,17 +16,17 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#ifdef __GNUG__ -#pragma implementation "apt-pkg/debfile.h" -#endif +#include #include #include #include #include +#include #include #include +#include /*}}}*/ // DebFile::debDebFile - Constructor /*{{{*/ @@ -36,12 +36,24 @@ debDebFile::debDebFile(FileFd &File) : File(File), AR(File) { if (_error->PendingError() == true) return; - - // Check the members for validity - if (CheckMember("debian-binary") == false || - CheckMember("control.tar.gz") == false || - CheckMember("data.tar.gz") == false) + + if (!CheckMember("debian-binary")) { + _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "debian-binary"); + return; + } + + if (!CheckMember("control.tar.gz")) { + _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "control.tar.gz"); + return; + } + + if (!CheckMember("data.tar.gz") && + !CheckMember("data.tar.bz2") && + !CheckMember("data.tar.lzma") && + !CheckMember("data.tar.xz")) { + _error->Error(_("This is not a valid DEB archive, missing '%s' member"), "data.tar"); return; + } } /*}}}*/ // DebFile::CheckMember - Check if a named member is in the archive /*{{{*/ @@ -51,7 +63,7 @@ debDebFile::debDebFile(FileFd &File) : File(File), AR(File) bool debDebFile::CheckMember(const char *Name) { if (AR.FindMember(Name) == 0) - return _error->Error("This is not a valid DEB archive, missing '%s' member",Name); + return false; return true; } /*}}}*/ @@ -68,7 +80,6 @@ const ARArchive::Member *debDebFile::GotoMember(const char *Name) const ARArchive::Member *Member = AR.FindMember(Name); if (Member == 0) { - _error->Error("Internal Error, could not locate member %s",Name); return 0; } if (File.Seek(Member->Start) == false) @@ -77,87 +88,47 @@ 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); - 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 /*{{{*/ // --------------------------------------------------------------------- /* Simple wrapper around tar.. */ bool debDebFile::ExtractArchive(pkgDirStream &Stream) { - // Get the archive member and positition the file - const ARArchive::Member *Member = AR.FindMember("data.tar.gz"); - if (Member == 0) - return _error->Error("Internal Error, could not locate member"); + // Get the archive member + const ARArchive::Member *Member = NULL; + std::string Compressor; + + std::string const data = "data.tar"; + std::vector compressor = APT::Configuration::getCompressors(); + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + { + Member = AR.FindMember(std::string(data).append(c->Extension).c_str()); + if (Member == NULL) + continue; + Compressor = c->Binary; + break; + } + + if (Member == NULL) + { + std::string ext = "data.tar.{"; + for (std::vector::const_iterator c = compressor.begin(); + c != compressor.end(); ++c) + ext.append(c->Extension.substr(1)); + ext.append("}"); + return _error->Error(_("Internal error, could not locate member %s"), ext.c_str()); + } + if (File.Seek(Member->Start) == false) return false; - + // Prepare Tar - ExtractTar Tar(File,Member->Size); + ExtractTar Tar(File,Member->Size,Compressor); if (_error->PendingError() == true) return false; return Tar.Go(Stream); } /*}}}*/ -// DebFile::MergeControl - Merge the control information /*{{{*/ -// --------------------------------------------------------------------- -/* 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) -{ - // 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; -} - /*}}}*/ // DebFile::ControlExtract::DoItem - Control Tar Extraction /*{{{*/ // --------------------------------------------------------------------- @@ -229,7 +200,7 @@ bool debDebFile::MemControlExtract::Read(debDebFile &Deb) return false; // Extract it. - ExtractTar Tar(Deb.GetFile(),Member->Size); + ExtractTar Tar(Deb.GetFile(),Member->Size,"gzip"); if (Tar.Go(*this) == false) return false; @@ -239,7 +210,7 @@ bool debDebFile::MemControlExtract::Read(debDebFile &Deb) Control[Length] = '\n'; Control[Length+1] = '\n'; if (Section.Scan(Control,Length+2) == false) - return _error->Error("Unparsible control file"); + return _error->Error(_("Unparsable control file")); return true; } /*}}}*/