// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: debfile.cc,v 1.4 2004/01/07 20:39:37 mdz Exp $
+// $Id: debfile.cc,v 1.3.2.1 2004/01/16 18:58:50 mdz Exp $
/* ######################################################################
Debian Archive File (.deb)
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/debfile.h"
-#endif
+#include<config.h>
#include <apt-pkg/debfile.h>
#include <apt-pkg/extracttar.h>
#include <apt-pkg/error.h>
-#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/arfile.h>
+#include <apt-pkg/dirstream.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/tagfile.h>
+#include <string.h>
+#include <string>
+#include <vector>
#include <sys/stat.h>
-#include <unistd.h>
+
#include <apti18n.h>
/*}}}*/
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") && !CheckMember("data.tar.bz2")) {
- _error->Error(_("This is not a valid DEB archive, it has no '%s' or '%s' member"), "data.tar.gz", "data.tar.bz2");
+ if (!CheckMember("data.tar") &&
+ !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;
}
}
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<APT::Configuration::Compressor> compressor = APT::Configuration::getCompressors();
+ for (std::vector<APT::Configuration::Compressor>::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)
- return _error->Error(_("Internal Error, could not locate member"));
+
+ if (Member == NULL)
+ Member = AR.FindMember(std::string(Name).c_str());
+
+ if (Member == NULL)
+ {
+ std::string ext = std::string(Name) + ".{";
+ for (std::vector<APT::Configuration::Compressor>::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,Compressor);
if (_error->PendingError() == true)
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");
}
/*}}}*/
// ---------------------------------------------------------------------
/* 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,
+bool debDebFile::MemControlExtract::Process(Item &/*Itm*/,const unsigned char *Data,
unsigned long Size,unsigned long Pos)
{
memcpy(Control + Pos, Data,Size);
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)
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;
}
/*}}}*/
projects / apt.git / blobdiff