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-rw-r--r--apt-pkg/deb/debindexfile.cc431
-rw-r--r--apt-pkg/deb/debindexfile.h197
-rw-r--r--apt-pkg/deb/deblistparser.cc1066
-rw-r--r--apt-pkg/deb/deblistparser.h159
-rw-r--r--apt-pkg/deb/debmetaindex.cc1316
-rw-r--r--apt-pkg/deb/debmetaindex.h78
-rw-r--r--apt-pkg/deb/debrecords.cc227
-rw-r--r--apt-pkg/deb/debrecords.h92
-rw-r--r--apt-pkg/deb/debsrcrecords.cc324
-rw-r--r--apt-pkg/deb/debsrcrecords.h68
-rw-r--r--apt-pkg/deb/debsystem.cc485
-rw-r--r--apt-pkg/deb/debsystem.h61
-rw-r--r--apt-pkg/deb/debversion.cc279
-rw-r--r--apt-pkg/deb/debversion.h41
-rw-r--r--apt-pkg/deb/dpkgpm.cc2491
-rw-r--r--apt-pkg/deb/dpkgpm.h144
16 files changed, 7459 insertions, 0 deletions
diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc
new file mode 100644
index 0000000..25e0a33
--- /dev/null
+++ b/apt-pkg/deb/debindexfile.cc
@@ -0,0 +1,431 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Specific sources.list types and the three sorts of Debian
+ index files.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/debrecords.h>
+#include <apt-pkg/debsrcrecords.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/srcrecords.h>
+
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <stdio.h>
+
+#include <sys/stat.h>
+#include <unistd.h>
+ /*}}}*/
+
+// Sources Index /*{{{*/
+debSourcesIndex::debSourcesIndex(IndexTarget const &Target,bool const Trusted) :
+ pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
+{
+}
+std::string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
+ pkgSrcRecords::File const &File) const
+{
+ // The result looks like: http://foo/debian/ stable/main src 1.1.1 (dsc)
+ std::string Res = Target.Description;
+ Res.erase(Target.Description.rfind(' '));
+
+ Res += " ";
+ Res += Record.Package();
+ Res += " ";
+ Res += Record.Version();
+ if (File.Type.empty() == false)
+ Res += " (" + File.Type + ")";
+ return Res;
+}
+pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
+{
+ std::string const SourcesURI = IndexFileName();
+ if (FileExists(SourcesURI))
+ return new debSrcRecordParser(SourcesURI, this);
+ return NULL;
+}
+bool debSourcesIndex::OpenListFile(FileFd &, std::string const &)
+{
+ return true;
+}
+pkgCacheListParser * debSourcesIndex::CreateListParser(FileFd &)
+{
+ return nullptr;
+}
+uint8_t debSourcesIndex::GetIndexFlags() const
+{
+ return 0;
+}
+ /*}}}*/
+// Packages Index /*{{{*/
+debPackagesIndex::debPackagesIndex(IndexTarget const &Target, bool const Trusted) :
+ pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
+{
+}
+std::string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator const &Ver) const
+{
+ std::string Res = Target.Description;
+ {
+ auto const space = Target.Description.rfind(' ');
+ if (space != std::string::npos)
+ Res.erase(space);
+ }
+
+ Res += " ";
+ Res += Ver.ParentPkg().Name();
+ Res += " ";
+ std::string const Dist = Target.Option(IndexTarget::RELEASE);
+ if (Dist.empty() == false && Dist[Dist.size() - 1] != '/')
+ Res.append(Ver.Arch()).append(" ");
+ Res += Ver.VerStr();
+ return Res;
+}
+uint8_t debPackagesIndex::GetIndexFlags() const
+{
+ return 0;
+}
+ /*}}}*/
+// Translation-* Index /*{{{*/
+debTranslationsIndex::debTranslationsIndex(IndexTarget const &Target) :
+ pkgDebianIndexTargetFile(Target, true), d(NULL)
+{}
+bool debTranslationsIndex::HasPackages() const
+{
+ return Exists();
+}
+bool debTranslationsIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
+{
+ if (FileExists(FileName))
+ return pkgDebianIndexTargetFile::OpenListFile(Pkg, FileName);
+ return true;
+}
+uint8_t debTranslationsIndex::GetIndexFlags() const
+{
+ return pkgCache::Flag::NotSource | pkgCache::Flag::NoPackages;
+}
+std::string debTranslationsIndex::GetArchitecture() const
+{
+ return std::string();
+}
+pkgCacheListParser * debTranslationsIndex::CreateListParser(FileFd &Pkg)
+{
+ if (Pkg.IsOpen() == false)
+ return nullptr;
+ _error->PushToStack();
+ std::unique_ptr<pkgCacheListParser> Parser(new debTranslationsParser(&Pkg));
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ return newError ? nullptr : Parser.release();
+}
+ /*}}}*/
+// dpkg/status Index /*{{{*/
+debStatusIndex::debStatusIndex(std::string const &File) : pkgDebianIndexRealFile(File, true), d(NULL)
+{
+}
+std::string debStatusIndex::GetArchitecture() const
+{
+ return std::string();
+}
+std::string debStatusIndex::GetComponent() const
+{
+ return "now";
+}
+uint8_t debStatusIndex::GetIndexFlags() const
+{
+ return pkgCache::Flag::NotSource;
+}
+
+pkgCacheListParser * debStatusIndex::CreateListParser(FileFd &Pkg)
+{
+ if (Pkg.IsOpen() == false)
+ return nullptr;
+ _error->PushToStack();
+ std::unique_ptr<pkgCacheListParser> Parser(new debStatusListParser(&Pkg));
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ return newError ? nullptr : Parser.release();
+}
+ /*}}}*/
+// DebPkgFile Index - a single .deb file as an index /*{{{*/
+debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile)
+ : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile)
+{
+}
+bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile)
+{
+ struct stat Buf;
+ if (stat(debfile.c_str(), &Buf) != 0)
+ return false;
+
+ // get the control data out of the deb file via dpkg-deb -I
+ std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb");
+ std::vector<const char *> Args;
+ Args.push_back(dpkg.c_str());
+ Args.push_back("-I");
+ Args.push_back(debfile.c_str());
+ Args.push_back("control");
+ Args.push_back(NULL);
+ FileFd PipeFd;
+ pid_t Child;
+ if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false)
+ return _error->Error("Popen failed");
+
+ std::string line;
+ bool first_line_seen = false;
+ while (PipeFd.ReadLine(line))
+ {
+ if (first_line_seen == false)
+ {
+ if (line.empty())
+ continue;
+ first_line_seen = true;
+ }
+ else if (line.empty())
+ break;
+ content << line << "\n";
+ }
+ content << "Filename: " << debfile << "\n";
+ content << "Size: " << std::to_string(Buf.st_size) << "\n";
+ ExecWait(Child, "Popen");
+
+ return true;
+}
+bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
+{
+ // write the control data to a tempfile
+ if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL)
+ return false;
+ std::ostringstream content;
+ if (GetContent(content, FileName) == false)
+ return false;
+ std::string const contentstr = content.str();
+ if (contentstr.empty())
+ return true;
+ if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false)
+ return false;
+ return true;
+}
+pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg)
+{
+ if (Pkg.IsOpen() == false)
+ return nullptr;
+ _error->PushToStack();
+ std::unique_ptr<pkgCacheListParser> Parser(new debDebFileParser(&Pkg, DebFile));
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ return newError ? nullptr : Parser.release();
+}
+uint8_t debDebPkgFileIndex::GetIndexFlags() const
+{
+ return pkgCache::Flag::LocalSource;
+}
+std::string debDebPkgFileIndex::GetArchitecture() const
+{
+ return std::string();
+}
+std::string debDebPkgFileIndex::GetComponent() const
+{
+ return "local-deb";
+}
+pkgCache::PkgFileIterator debDebPkgFileIndex::FindInCache(pkgCache &Cache) const
+{
+ std::string const FileName = IndexFileName();
+ pkgCache::PkgFileIterator File = Cache.FileBegin();
+ for (; File.end() == false; ++File)
+ {
+ if (File.FileName() == NULL || FileName != File.FileName())
+ continue;
+ // we can't do size checks here as file size != content size
+ return File;
+ }
+
+ return File;
+}
+std::string debDebPkgFileIndex::ArchiveInfo_impl(pkgCache::VerIterator const &Ver) const
+{
+ std::string Res = IndexFileName() + " ";
+ Res.append(Ver.ParentPkg().Name()).append(" ");
+ Res.append(Ver.Arch()).append(" ");
+ Res.append(Ver.VerStr());
+ return Res;
+}
+ /*}}}*/
+// DscFile Index - a single .dsc file as an index /*{{{*/
+debDscFileIndex::debDscFileIndex(std::string const &DscFile)
+ : pkgDebianIndexRealFile(DscFile, true), d(NULL)
+{
+}
+pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const
+{
+ if (Exists() == false)
+ return NULL;
+ return new debDscRecordParser(File, this);
+}
+std::string debDscFileIndex::GetComponent() const
+{
+ return "local-dsc";
+}
+std::string debDscFileIndex::GetArchitecture() const
+{
+ return "source";
+}
+uint8_t debDscFileIndex::GetIndexFlags() const
+{
+ return pkgCache::Flag::LocalSource;
+}
+ /*}}}*/
+// ControlFile Index - a directory with a debian/control file /*{{{*/
+std::string debDebianSourceDirIndex::GetComponent() const
+{
+ return "local-control";
+}
+ /*}}}*/
+// String Package Index - a string of Packages file content /*{{{*/
+std::string debStringPackageIndex::GetArchitecture() const
+{
+ return std::string();
+}
+std::string debStringPackageIndex::GetComponent() const
+{
+ return "apt-tmp-index";
+}
+uint8_t debStringPackageIndex::GetIndexFlags() const
+{
+ return pkgCache::Flag::NotSource;
+}
+const pkgIndexFile::Type *debStringPackageIndex::GetType() const
+{
+ return pkgIndexFile::Type::GetType("Debian Package Index");
+}
+debStringPackageIndex::debStringPackageIndex(std::string const &content) :
+ pkgDebianIndexRealFile("", false), d(NULL)
+{
+ FileFd fd;
+ GetTempFile("apt-tmp-index", false, &fd);
+ fd.Write(content.data(), content.length());
+ File = fd.Name();
+}
+debStringPackageIndex::~debStringPackageIndex()
+{
+ RemoveFile("~debStringPackageIndex", File);
+}
+ /*}}}*/
+
+// Index File types for Debian /*{{{*/
+class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type
+{
+ public:
+ debIFTypeSrc() {Label = "Debian Source Index";};
+};
+class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type
+{
+ public:
+ virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
+ {
+ return new debRecordParser(File.FileName(),*File.Cache());
+ };
+ debIFTypePkg() {Label = "Debian Package Index";};
+};
+class APT_HIDDEN debIFTypeTrans : public debIFTypePkg
+{
+ public:
+ debIFTypeTrans() {Label = "Debian Translation Index";};
+};
+class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type
+{
+ public:
+ virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
+ {
+ return new debRecordParser(File.FileName(),*File.Cache());
+ };
+ debIFTypeStatus() {Label = "Debian dpkg status file";};
+};
+class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type
+{
+ public:
+ virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
+ {
+ return new debDebFileRecordParser(File.FileName());
+ };
+ debIFTypeDebPkgFile() {Label = "Debian deb file";};
+};
+class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type
+{
+ public:
+ virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE
+ {
+ return new debDscRecordParser(DscFile, NULL);
+ };
+ debIFTypeDscFile() {Label = "Debian dsc file";};
+};
+class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type
+{
+ public:
+ virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE
+ {
+ return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL);
+ };
+ debIFTypeDebianSourceDir() {Label = "Debian control file";};
+};
+
+APT_HIDDEN debIFTypeSrc _apt_Src;
+APT_HIDDEN debIFTypePkg _apt_Pkg;
+APT_HIDDEN debIFTypeTrans _apt_Trans;
+APT_HIDDEN debIFTypeStatus _apt_Status;
+APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile;
+// file based pseudo indexes
+APT_HIDDEN debIFTypeDscFile _apt_DscFile;
+APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir;
+
+const pkgIndexFile::Type *debSourcesIndex::GetType() const
+{
+ return &_apt_Src;
+}
+const pkgIndexFile::Type *debPackagesIndex::GetType() const
+{
+ return &_apt_Pkg;
+}
+const pkgIndexFile::Type *debTranslationsIndex::GetType() const
+{
+ return &_apt_Trans;
+}
+const pkgIndexFile::Type *debStatusIndex::GetType() const
+{
+ return &_apt_Status;
+}
+const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const
+{
+ return &_apt_DebPkgFile;
+}
+const pkgIndexFile::Type *debDscFileIndex::GetType() const
+{
+ return &_apt_DscFile;
+}
+const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const
+{
+ return &_apt_DebianSourceDir;
+}
+ /*}}}*/
+
+debStatusIndex::~debStatusIndex() {}
+debPackagesIndex::~debPackagesIndex() {}
+debTranslationsIndex::~debTranslationsIndex() {}
+debSourcesIndex::~debSourcesIndex() {}
+
+debDebPkgFileIndex::~debDebPkgFileIndex() {}
+debDscFileIndex::~debDscFileIndex() {}
diff --git a/apt-pkg/deb/debindexfile.h b/apt-pkg/deb/debindexfile.h
new file mode 100644
index 0000000..5c89f9c
--- /dev/null
+++ b/apt-pkg/deb/debindexfile.h
@@ -0,0 +1,197 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Index Files
+
+ There are three sorts currently
+
+ Package files that have File: tags
+ Package files that don't (/var/lib/dpkg/status)
+ Source files
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBINDEXFILE_H
+#define PKGLIB_DEBINDEXFILE_H
+
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/srcrecords.h>
+
+#include <string>
+
+class OpProgress;
+class pkgAcquire;
+class pkgCacheGenerator;
+
+class debStatusIndex : public pkgDebianIndexRealFile
+{
+ void * const d;
+protected:
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+ virtual std::string GetComponent() const APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+
+public:
+
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE {return true;};
+ // Abort if the file does not exist.
+ virtual bool Exists() const APT_OVERRIDE {return true;};
+
+ virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+
+ debStatusIndex(std::string const &File);
+ virtual ~debStatusIndex();
+};
+
+class debPackagesIndex : public pkgDebianIndexTargetFile
+{
+ void * const d;
+protected:
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+
+public:
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ // Stuff for accessing files on remote items
+ virtual std::string ArchiveInfo(pkgCache::VerIterator const &Ver) const APT_OVERRIDE;
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE {return true;};
+
+ debPackagesIndex(IndexTarget const &Target, bool const Trusted);
+ virtual ~debPackagesIndex();
+};
+
+class debTranslationsIndex : public pkgDebianIndexTargetFile
+{
+ void * const d;
+protected:
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+ virtual bool OpenListFile(FileFd &Pkg, std::string const &FileName) APT_OVERRIDE;
+ APT_HIDDEN virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+
+public:
+
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE;
+
+ debTranslationsIndex(IndexTarget const &Target);
+ virtual ~debTranslationsIndex();
+};
+
+class debSourcesIndex : public pkgDebianIndexTargetFile
+{
+ void * const d;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+ virtual bool OpenListFile(FileFd &Pkg, std::string const &FileName) APT_OVERRIDE;
+ APT_HIDDEN virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+
+ public:
+
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ // Stuff for accessing files on remote items
+ virtual std::string SourceInfo(pkgSrcRecords::Parser const &Record,
+ pkgSrcRecords::File const &File) const APT_OVERRIDE;
+
+ // Interface for the record parsers
+ virtual pkgSrcRecords::Parser *CreateSrcParser() const APT_OVERRIDE;
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE {return false;};
+
+ debSourcesIndex(IndexTarget const &Target, bool const Trusted);
+ virtual ~debSourcesIndex();
+};
+
+class debDebPkgFileIndex : public pkgDebianIndexRealFile
+{
+ void * const d;
+ std::string DebFile;
+
+protected:
+ virtual std::string GetComponent() const APT_OVERRIDE;
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+ virtual bool OpenListFile(FileFd &Pkg, std::string const &FileName) APT_OVERRIDE;
+ APT_HIDDEN virtual pkgCacheListParser * CreateListParser(FileFd &Pkg) APT_OVERRIDE;
+
+public:
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ /** get the control (file) content of the deb file
+ *
+ * @param[out] content of the control file
+ * @param debfile is the filename of the .deb-file
+ * @return \b true if successful, otherwise \b false.
+ */
+ static bool GetContent(std::ostream &content, std::string const &debfile);
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE {return true;}
+ virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const APT_OVERRIDE;
+
+ // Interface for acquire
+
+ debDebPkgFileIndex(std::string const &DebFile);
+ virtual ~debDebPkgFileIndex();
+
+ //FIXME: use proper virtual-handling on next ABI break
+ APT_HIDDEN std::string ArchiveInfo_impl(pkgCache::VerIterator const &Ver) const;
+};
+
+class debDscFileIndex : public pkgDebianIndexRealFile
+{
+ void * const d;
+
+protected:
+ virtual std::string GetComponent() const APT_OVERRIDE;
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+
+public:
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+ virtual pkgSrcRecords::Parser *CreateSrcParser() const APT_OVERRIDE;
+ virtual bool HasPackages() const APT_OVERRIDE {return false;};
+
+ debDscFileIndex(std::string const &DscFile);
+ virtual ~debDscFileIndex();
+};
+
+class debDebianSourceDirIndex : public debDscFileIndex
+{
+protected:
+ virtual std::string GetComponent() const APT_OVERRIDE;
+
+public:
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+};
+
+class debStringPackageIndex : public pkgDebianIndexRealFile
+{
+ void * const d;
+protected:
+ virtual std::string GetArchitecture() const APT_OVERRIDE;
+ virtual std::string GetComponent() const APT_OVERRIDE;
+ virtual uint8_t GetIndexFlags() const APT_OVERRIDE;
+
+public:
+ virtual const Type *GetType() const APT_OVERRIDE APT_PURE;
+
+ // Interface for the Cache Generator
+ virtual bool HasPackages() const APT_OVERRIDE {return true;};
+ // Abort if the file does not exist.
+ virtual bool Exists() const APT_OVERRIDE {return true;};
+
+ debStringPackageIndex(std::string const &content);
+ virtual ~debStringPackageIndex();
+};
+#endif
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
new file mode 100644
index 0000000..80ca10e
--- /dev/null
+++ b/apt-pkg/deb/deblistparser.cc
@@ -0,0 +1,1066 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Package Cache Generator - Generator for the cache structure.
+
+ This builds the cache structure from the abstract package list parser.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/cachefilter.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/crc-16.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile-keys.h>
+#include <apt-pkg/tagfile.h>
+
+#include <algorithm>
+#include <string>
+#include <vector>
+#include <ctype.h>
+#include <stddef.h>
+#include <string.h>
+ /*}}}*/
+
+using std::string;
+using APT::StringView;
+
+static const debListParser::WordList PrioList[] = {
+ {"required",pkgCache::State::Required},
+ {"important",pkgCache::State::Important},
+ {"standard",pkgCache::State::Standard},
+ {"optional",pkgCache::State::Optional},
+ {"extra",pkgCache::State::Extra},
+ {"", 0}};
+
+// ListParser::debListParser - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Provide an architecture and only this one and "all" will be accepted
+ in Step(), if no Architecture is given we will accept every arch
+ we would accept in general with checkArchitecture() */
+debListParser::debListParser(FileFd *File) :
+ pkgCacheListParser(), Tags(File)
+{
+ // this dance allows an empty value to override the default
+ if (_config->Exists("pkgCacheGen::ForceEssential"))
+ {
+ forceEssential = _config->FindVector("pkgCacheGen::ForceEssential");
+ if (forceEssential.empty() == false && _config->Find("pkgCacheGen::ForceEssential").empty())
+ forceEssential.emplace_back("apt");
+ }
+ else
+ forceEssential.emplace_back("apt");
+ forceImportant = _config->FindVector("pkgCacheGen::ForceImportant");
+ myArch = _config->Find("APT::Architecture");
+}
+ /*}}}*/
+// ListParser::Package - Return the package name /*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the name of the package this section describes */
+string debListParser::Package() {
+ string Result = Section.Find(pkgTagSection::Key::Package).to_string();
+
+ // Normalize mixed case package names to lower case, like dpkg does
+ // See Bug#807012 for details.
+ // Only do this when the package name does not contain a / - as that
+ // indicates that the package name was derived from a filename given
+ // to install or build-dep or similar (Bug#854794)
+ if (likely(Result.find('/') == string::npos))
+ {
+ for (char &c: Result)
+ {
+ char l = tolower_ascii_inline(c);
+ if (unlikely(l != c))
+ c = l;
+ }
+ }
+
+ if(unlikely(Result.empty() == true))
+ _error->Error("Encountered a section with no Package: header");
+ return Result;
+}
+ /*}}}*/
+// ListParser::Architecture - Return the package arch /*{{{*/
+// ---------------------------------------------------------------------
+/* This will return the Architecture of the package this section describes */
+APT::StringView debListParser::Architecture() {
+ auto const Arch = Section.Find(pkgTagSection::Key::Architecture);
+ return Arch.empty() ? "none" : Arch;
+}
+ /*}}}*/
+// ListParser::ArchitectureAll /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::ArchitectureAll() {
+ return Section.Find(pkgTagSection::Key::Architecture) == "all";
+}
+ /*}}}*/
+// ListParser::Version - Return the version string /*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the string describing the version in debian form,
+ epoch:upstream-release. If this returns the blank string then the
+ entry is assumed to only describe package properties */
+APT::StringView debListParser::Version()
+{
+ return Section.Find(pkgTagSection::Key::Version);
+}
+ /*}}}*/
+unsigned char debListParser::ParseMultiArch(bool const showErrors) /*{{{*/
+{
+ unsigned char MA;
+ auto const MultiArch = Section.Find(pkgTagSection::Key::Multi_Arch);
+ if (MultiArch.empty() == true || MultiArch == "no")
+ MA = pkgCache::Version::No;
+ else if (MultiArch == "same") {
+ if (ArchitectureAll() == true)
+ {
+ if (showErrors == true)
+ _error->Warning("Architecture: all package '%s' can't be Multi-Arch: same",
+ Section.FindS("Package").c_str());
+ MA = pkgCache::Version::No;
+ }
+ else
+ MA = pkgCache::Version::Same;
+ }
+ else if (MultiArch == "foreign")
+ MA = pkgCache::Version::Foreign;
+ else if (MultiArch == "allowed")
+ MA = pkgCache::Version::Allowed;
+ else
+ {
+ if (showErrors == true)
+ _error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
+ MultiArch.to_string().c_str(), Section.FindS("Package").c_str());
+ MA = pkgCache::Version::No;
+ }
+
+ if (ArchitectureAll() == true)
+ MA |= pkgCache::Version::All;
+
+ return MA;
+}
+ /*}}}*/
+// ListParser::NewVersion - Fill in the version structure /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
+{
+ const char *Start;
+ const char *Stop;
+
+ // Parse the section
+ if (Section.Find(pkgTagSection::Key::Section,Start,Stop) == true)
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::SECTION, Start, Stop - Start);
+ Ver->Section = idx;
+ }
+ // Parse the source package name
+ pkgCache::GrpIterator G = Ver.ParentPkg().Group();
+ Ver->SourcePkgName = G->Name;
+ Ver->SourceVerStr = Ver->VerStr;
+ if (Section.Find(pkgTagSection::Key::Source,Start,Stop) == true)
+ {
+ const char * const Space = static_cast<const char *>(memchr(Start, ' ', Stop - Start));
+ pkgCache::VerIterator V;
+
+ if (Space != NULL)
+ {
+ const char * const Open = static_cast<const char *>(memchr(Space, '(', Stop - Space));
+ if (likely(Open != NULL))
+ {
+ const char * const Close = static_cast<const char *>(memchr(Open, ')', Stop - Open));
+ if (likely(Close != NULL))
+ {
+ APT::StringView const version(Open + 1, (Close - Open) - 1);
+ if (version != Ver.VerStr())
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::VERSIONNUMBER, version);
+ G = Ver.ParentPkg().Group();
+ Ver->SourceVerStr = idx;
+ }
+ }
+ }
+ Stop = Space;
+ }
+
+ APT::StringView const pkgname(Start, Stop - Start);
+ if (pkgname != G.Name())
+ {
+ for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P))
+ {
+ for (V = P.VersionList(); V.end() == false; ++V)
+ {
+ if (pkgname == V.SourcePkgName())
+ {
+ Ver->SourcePkgName = V->SourcePkgName;
+ break;
+ }
+ }
+ if (V.end() == false)
+ break;
+ }
+ if (V.end() == true)
+ {
+ map_stringitem_t const idx = StoreString(pkgCacheGenerator::PKGNAME, pkgname);
+ G = Ver.ParentPkg().Group();
+ Ver->SourcePkgName = idx;
+ }
+ }
+ }
+
+ Ver->MultiArch = ParseMultiArch(true);
+ // Archive Size
+ Ver->Size = Section.FindULL(pkgTagSection::Key::Size);
+ // Unpacked Size (in K)
+ Ver->InstalledSize = Section.FindULL(pkgTagSection::Key::Installed_Size);
+ Ver->InstalledSize *= 1024;
+
+ // Priority
+ if (Section.Find(pkgTagSection::Key::Priority,Start,Stop) == true)
+ {
+ if (GrabWord(StringView(Start,Stop-Start),PrioList,Ver->Priority) == false)
+ Ver->Priority = pkgCache::State::Extra;
+ }
+
+ if (ParseDepends(Ver,pkgTagSection::Key::Pre_Depends,pkgCache::Dep::PreDepends) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Depends,pkgCache::Dep::Depends) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Conflicts,pkgCache::Dep::Conflicts) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Breaks,pkgCache::Dep::DpkgBreaks) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Recommends,pkgCache::Dep::Recommends) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Suggests,pkgCache::Dep::Suggests) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Replaces,pkgCache::Dep::Replaces) == false)
+ return false;
+ if (ParseDepends(Ver,pkgTagSection::Key::Enhances,pkgCache::Dep::Enhances) == false)
+ return false;
+ // Obsolete.
+ if (ParseDepends(Ver,pkgTagSection::Key::Optional,pkgCache::Dep::Suggests) == false)
+ return false;
+
+ if (ParseProvides(Ver) == false)
+ return false;
+
+ return true;
+}
+ /*}}}*/
+// ListParser::AvailableDescriptionLanguages /*{{{*/
+std::vector<std::string> debListParser::AvailableDescriptionLanguages()
+{
+ std::vector<std::string> const understood = APT::Configuration::getLanguages();
+ std::vector<std::string> avail;
+ static constexpr int prefixLen = 12;
+ char buf[32] = "Description-";
+ if (Section.Exists("Description") == true)
+ avail.push_back("");
+ for (std::vector<std::string>::const_iterator lang = understood.begin(); lang != understood.end(); ++lang)
+ {
+ if (unlikely(lang->size() > sizeof(buf) - prefixLen)) {
+ _error->Warning("Ignoring translated description %s", lang->c_str());
+ continue;
+ }
+ memcpy(buf + prefixLen, lang->c_str(), lang->size());
+ if (Section.Exists(StringView(buf, prefixLen + lang->size())) == true)
+ avail.push_back(*lang);
+ }
+ return avail;
+}
+ /*}}}*/
+// ListParser::Description_md5 - Return the description_md5 MD5SumValue /*{{{*/
+// ---------------------------------------------------------------------
+/* This is to return the md5 string to allow the check if it is the right
+ description. If no Description-md5 is found in the section it will be
+ calculated.
+ */
+APT::StringView debListParser::Description_md5()
+{
+ StringView const value = Section.Find(pkgTagSection::Key::Description_md5);
+ if (unlikely(value.empty() == true))
+ {
+ StringView const desc = Section.Find(pkgTagSection::Key::Description);
+ if (desc == "\n")
+ return StringView();
+
+ MD5Summation md5;
+ md5.Add(desc.data(), desc.size());
+ md5.Add("\n");
+ MD5Buffer = md5.Result();
+ return StringView(MD5Buffer);
+ }
+ else if (likely(value.size() == 32))
+ {
+ return value;
+ }
+ _error->Error("Malformed Description-md5 line; doesn't have the required length (32 != %d) '%.*s'", (int)value.size(), (int)value.length(), value.data());
+ return StringView();
+}
+ /*}}}*/
+// ListParser::UsePackage - Update a package structure /*{{{*/
+// ---------------------------------------------------------------------
+/* This is called to update the package with any new information
+ that might be found in the section */
+bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ string const static myArch = _config->Find("APT::Architecture");
+ // Possible values are: "all", "native", "installed" and "none"
+ // The "installed" mode is handled by ParseStatus(), See #544481 and friends.
+ string const static essential = _config->Find("pkgCacheGen::Essential", "all");
+ if (essential == "all" ||
+ (essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()))
+ if (Section.FindFlag(pkgTagSection::Key::Essential,Pkg->Flags,pkgCache::Flag::Essential) == false)
+ return false;
+ if (Section.FindFlag(pkgTagSection::Key::Important,Pkg->Flags,pkgCache::Flag::Important) == false)
+ return false;
+
+ if (std::find(forceEssential.begin(), forceEssential.end(), Pkg.Name()) != forceEssential.end())
+ {
+ if ((essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()) ||
+ essential == "all")
+ Pkg->Flags |= pkgCache::Flag::Essential | pkgCache::Flag::Important;
+ else
+ Pkg->Flags |= pkgCache::Flag::Important;
+ }
+ else if (std::find(forceImportant.begin(), forceImportant.end(), Pkg.Name()) != forceImportant.end())
+ Pkg->Flags |= pkgCache::Flag::Important;
+
+ if (ParseStatus(Pkg,Ver) == false)
+ return false;
+ return true;
+}
+ /*}}}*/
+// ListParser::VersionHash - Compute a unique hash for this version /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned short debListParser::VersionHash()
+{
+ static constexpr pkgTagSection::Key Sections[] ={
+ pkgTagSection::Key::Installed_Size,
+ pkgTagSection::Key::Depends,
+ pkgTagSection::Key::Pre_Depends,
+// pkgTagSection::Key::Suggests,
+// pkgTagSection::Key::Recommends",
+ pkgTagSection::Key::Conflicts,
+ pkgTagSection::Key::Breaks,
+ pkgTagSection::Key::Replaces};
+ unsigned long Result = INIT_FCS;
+ for (auto I : Sections)
+ {
+ const char *Start;
+ const char *End;
+ if (Section.Find(I,Start,End) == false)
+ continue;
+
+ /* Strip out any spaces from the text, this undoes dpkgs reformatting
+ of certain fields. dpkg also has the rather interesting notion of
+ reformatting depends operators < -> <=, so we drop all = from the
+ string to make that not matter. */
+ for (; Start != End; ++Start)
+ {
+ // Strip away 0: epochs from input
+ if (*Start == '0' && Start[1] == ':') {
+ Start++; // Skip the :
+ continue; // Skip the 0
+ }
+ if (isspace_ascii(*Start) != 0 || *Start == '=')
+ continue;
+ Result = AddCRC16Byte(Result, tolower_ascii_unsafe(*Start));
+ }
+
+
+ }
+
+ return Result;
+}
+ /*}}}*/
+// StatusListParser::ParseStatus - Parse the status field /*{{{*/
+// ---------------------------------------------------------------------
+/* Status lines are of the form,
+ Status: want flag status
+ want = unknown, install, hold, deinstall, purge
+ flag = ok, reinstreq
+ status = not-installed, config-files, half-installed, unpacked,
+ half-configured, triggers-awaited, triggers-pending, installed
+ */
+bool debListParser::ParseStatus(pkgCache::PkgIterator &,
+ pkgCache::VerIterator &)
+{
+ return true;
+}
+bool debStatusListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ const char *Start;
+ const char *Stop;
+ if (Section.Find(pkgTagSection::Key::Status,Start,Stop) == false)
+ return true;
+
+ // UsePackage() is responsible for setting the flag in the default case
+ bool const static essential = _config->Find("pkgCacheGen::Essential", "") == "installed";
+ if (essential == true &&
+ Section.FindFlag(pkgTagSection::Key::Essential,Pkg->Flags,pkgCache::Flag::Essential) == false)
+ return false;
+
+ // Isolate the first word
+ const char *I = Start;
+ for(; I < Stop && *I != ' '; I++);
+ if (I >= Stop || *I != ' ')
+ return _error->Error("Malformed Status line");
+
+ // Process the want field
+ WordList WantList[] = {{"unknown",pkgCache::State::Unknown},
+ {"install",pkgCache::State::Install},
+ {"hold",pkgCache::State::Hold},
+ {"deinstall",pkgCache::State::DeInstall},
+ {"purge",pkgCache::State::Purge},
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),WantList,Pkg->SelectedState) == false)
+ return _error->Error("Malformed 1st word in the Status line");
+
+ // Isloate the next word
+ I++;
+ Start = I;
+ for(; I < Stop && *I != ' '; I++);
+ if (I >= Stop || *I != ' ')
+ return _error->Error("Malformed status line, no 2nd word");
+
+ // Process the flag field
+ WordList FlagList[] = {{"ok",pkgCache::State::Ok},
+ {"reinstreq",pkgCache::State::ReInstReq},
+ {"hold",pkgCache::State::HoldInst},
+ {"hold-reinstreq",pkgCache::State::HoldReInstReq},
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),FlagList,Pkg->InstState) == false)
+ return _error->Error("Malformed 2nd word in the Status line");
+
+ // Isloate the last word
+ I++;
+ Start = I;
+ for(; I < Stop && *I != ' '; I++);
+ if (I != Stop)
+ return _error->Error("Malformed Status line, no 3rd word");
+
+ // Process the flag field
+ WordList StatusList[] = {{"not-installed",pkgCache::State::NotInstalled},
+ {"config-files",pkgCache::State::ConfigFiles},
+ {"half-installed",pkgCache::State::HalfInstalled},
+ {"unpacked",pkgCache::State::UnPacked},
+ {"half-configured",pkgCache::State::HalfConfigured},
+ {"triggers-awaited",pkgCache::State::TriggersAwaited},
+ {"triggers-pending",pkgCache::State::TriggersPending},
+ {"installed",pkgCache::State::Installed},
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),StatusList,Pkg->CurrentState) == false)
+ return _error->Error("Malformed 3rd word in the Status line");
+
+ /* A Status line marks the package as indicating the current
+ version as well. Only if it is actually installed.. Otherwise
+ the interesting dpkg handling of the status file creates bogus
+ entries. */
+ if (!(Pkg->CurrentState == pkgCache::State::NotInstalled ||
+ Pkg->CurrentState == pkgCache::State::ConfigFiles))
+ {
+ if (Ver.end() == true)
+ _error->Warning("Encountered status field in a non-version description");
+ else
+ Pkg->CurrentVer = Ver.Index();
+ }
+
+ return true;
+}
+
+const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
+{
+ // Determine the operator
+ switch (*I)
+ {
+ case '<':
+ I++;
+ if (*I == '=')
+ {
+ I++;
+ Op = pkgCache::Dep::LessEq;
+ break;
+ }
+
+ if (*I == '<')
+ {
+ I++;
+ Op = pkgCache::Dep::Less;
+ break;
+ }
+
+ // < is the same as <= and << is really Cs < for some reason
+ Op = pkgCache::Dep::LessEq;
+ break;
+
+ case '>':
+ I++;
+ if (*I == '=')
+ {
+ I++;
+ Op = pkgCache::Dep::GreaterEq;
+ break;
+ }
+
+ if (*I == '>')
+ {
+ I++;
+ Op = pkgCache::Dep::Greater;
+ break;
+ }
+
+ // > is the same as >= and >> is really Cs > for some reason
+ Op = pkgCache::Dep::GreaterEq;
+ break;
+
+ case '=':
+ Op = pkgCache::Dep::Equals;
+ I++;
+ break;
+
+ // HACK around bad package definitions
+ default:
+ Op = pkgCache::Dep::Equals;
+ break;
+ }
+ return I;
+}
+ /*}}}*/
+// ListParser::ParseDepends - Parse a dependency element /*{{{*/
+// ---------------------------------------------------------------------
+/* This parses the dependency elements out of a standard string in place,
+ bit by bit. */
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, false, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags, bool const &StripMultiArch)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, StripMultiArch, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ string &Package,string &Ver,
+ unsigned int &Op, bool const &ParseArchFlags,
+ bool const &StripMultiArch,
+ bool const &ParseRestrictionsList)
+{
+ return debListParser::ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags,
+ StripMultiArch, ParseRestrictionsList,
+ _config->Find("APT::Architecture"));
+}
+
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ string &Package,string &Ver,
+ unsigned int &Op, bool const &ParseArchFlags,
+ bool const &StripMultiArch,
+ bool const &ParseRestrictionsList,
+ string const &Arch)
+{
+ StringView PackageView;
+ StringView VerView;
+
+ auto res = ParseDepends(Start, Stop, PackageView, VerView, Op, (bool)ParseArchFlags,
+ (bool) StripMultiArch, (bool) ParseRestrictionsList, Arch);
+ Package = PackageView.to_string();
+ Ver = VerView.to_string();
+
+ return res;
+}
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ StringView &Package,StringView &Ver,
+ unsigned int &Op, bool ParseArchFlags,
+ bool StripMultiArch,
+ bool ParseRestrictionsList)
+{
+ return debListParser::ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags,
+ StripMultiArch, ParseRestrictionsList,
+ _config->Find("APT::Architecture"));
+}
+
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ StringView &Package,StringView &Ver,
+ unsigned int &Op, bool ParseArchFlags,
+ bool StripMultiArch,
+ bool ParseRestrictionsList, string const &Arch)
+{
+ // Strip off leading space
+ for (;Start != Stop && isspace_ascii(*Start) != 0; ++Start);
+
+ // Parse off the package name
+ const char *I = Start;
+ for (;I != Stop && isspace_ascii(*I) == 0 && *I != '(' && *I != ')' &&
+ *I != ',' && *I != '|' && *I != '[' && *I != ']' &&
+ *I != '<' && *I != '>'; ++I);
+
+ // Malformed, no '('
+ if (I != Stop && *I == ')')
+ return 0;
+
+ if (I == Start)
+ return 0;
+
+ // Stash the package name
+ Package = StringView(Start, I - Start);
+
+ // We don't want to confuse library users which can't handle MultiArch
+ if (StripMultiArch == true) {
+ size_t const found = Package.rfind(':');
+ if (found != StringView::npos &&
+ (Package.substr(found) == ":any" ||
+ Package.substr(found) == ":native" ||
+ Package.substr(found +1) == Arch))
+ Package = Package.substr(0,found);
+ }
+
+ // Skip white space to the '('
+ for (;I != Stop && isspace_ascii(*I) != 0 ; I++);
+
+ // Parse a version
+ if (I != Stop && *I == '(')
+ {
+ // Skip the '('
+ for (I++; I != Stop && isspace_ascii(*I) != 0 ; I++);
+ if (I + 3 >= Stop)
+ return 0;
+ I = ConvertRelation(I,Op);
+
+ // Skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ Start = I;
+ I = (const char*) memchr(I, ')', Stop - I);
+ if (I == NULL || Start == I)
+ return 0;
+
+ // Skip trailing whitespace
+ const char *End = I;
+ for (; End > Start && isspace_ascii(End[-1]); End--);
+
+ Ver = StringView(Start,End-Start);
+ I++;
+ }
+ else
+ {
+ Ver = StringView();
+ Op = pkgCache::Dep::NoOp;
+ }
+
+ // Skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+
+ if (unlikely(ParseArchFlags == true))
+ {
+ APT::CacheFilter::PackageArchitectureMatchesSpecification matchesArch(Arch, false);
+
+ // Parse an architecture
+ if (I != Stop && *I == '[')
+ {
+ ++I;
+ // malformed
+ if (unlikely(I == Stop))
+ return 0;
+
+ const char *End = I;
+ bool Found = false;
+ bool NegArch = false;
+ while (I != Stop)
+ {
+ // look for whitespace or ending ']'
+ for (;End != Stop && !isspace_ascii(*End) && *End != ']'; ++End);
+
+ if (unlikely(End == Stop))
+ return 0;
+
+ if (*I == '!')
+ {
+ NegArch = true;
+ ++I;
+ }
+
+ std::string const arch(I, End);
+ if (arch.empty() == false && matchesArch(arch.c_str()) == true)
+ {
+ Found = true;
+ if (I[-1] != '!')
+ NegArch = false;
+ // we found a match, so fast-forward to the end of the wildcards
+ for (; End != Stop && *End != ']'; ++End);
+ }
+
+ if (*End++ == ']') {
+ I = End;
+ break;
+ }
+
+ I = End;
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ }
+
+ if (NegArch == true)
+ Found = !Found;
+
+ if (Found == false)
+ Package = ""; /* not for this arch */
+ }
+
+ // Skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ }
+
+ if (unlikely(ParseRestrictionsList == true))
+ {
+ // Parse a restrictions formula which is in disjunctive normal form:
+ // (foo AND bar) OR (blub AND bla)
+
+ std::vector<string> const profiles = APT::Configuration::getBuildProfiles();
+
+ // if the next character is a restriction list, then by default the
+ // dependency does not apply and the conditions have to be checked
+ // if the next character is not a restriction list, then by default the
+ // dependency applies
+ bool applies1 = (*I != '<');
+ while (I != Stop)
+ {
+ if (*I != '<')
+ break;
+
+ ++I;
+ // malformed
+ if (unlikely(I == Stop))
+ return 0;
+
+ const char *End = I;
+
+ // if of the prior restriction list is already fulfilled, then
+ // we can just skip to the end of the current list
+ if (applies1) {
+ for (;End != Stop && *End != '>'; ++End);
+ I = ++End;
+ // skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ } else {
+ bool applies2 = true;
+ // all the conditions inside a restriction list have to be
+ // met so once we find one that is not met, we can skip to
+ // the end of this list
+ while (I != Stop)
+ {
+ // look for whitespace or ending '>'
+ // End now points to the character after the current term
+ for (;End != Stop && !isspace_ascii(*End) && *End != '>'; ++End);
+
+ if (unlikely(End == Stop))
+ return 0;
+
+ bool NegRestriction = false;
+ if (*I == '!')
+ {
+ NegRestriction = true;
+ ++I;
+ }
+
+ std::string const restriction(I, End);
+ if (restriction.empty() == false && profiles.empty() == false &&
+ std::find(profiles.begin(), profiles.end(), restriction) != profiles.end())
+ {
+ if (NegRestriction) {
+ applies2 = false;
+ // since one of the terms does not apply we don't have to check the others
+ for (; End != Stop && *End != '>'; ++End);
+ }
+ } else {
+ if (!NegRestriction) {
+ applies2 = false;
+ // since one of the terms does not apply we don't have to check the others
+ for (; End != Stop && *End != '>'; ++End);
+ }
+ }
+
+ if (*End++ == '>') {
+ I = End;
+ // skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ break;
+ }
+
+ I = End;
+ // skip whitespace
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
+ }
+ if (applies2) {
+ applies1 = true;
+ }
+ }
+ }
+
+ if (applies1 == false) {
+ Package = ""; //not for this restriction
+ }
+ }
+
+ if (I != Stop && *I == '|')
+ Op |= pkgCache::Dep::Or;
+
+ if (I == Stop || *I == ',' || *I == '|')
+ {
+ if (I != Stop)
+ for (I++; I != Stop && isspace_ascii(*I) != 0; I++);
+ return I;
+ }
+
+ return 0;
+}
+ /*}}}*/
+// ListParser::ParseDepends - Parse a dependency list /*{{{*/
+// ---------------------------------------------------------------------
+/* This is the higher level depends parser. It takes a tag and generates
+ a complete depends tree for the given version. */
+bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
+ pkgTagSection::Key Key,unsigned int Type)
+{
+ const char *Start;
+ const char *Stop;
+ if (Section.Find(Key,Start,Stop) == false || Start == Stop)
+ return true;
+
+ string const pkgArch = Ver.Arch();
+
+ while (1)
+ {
+ StringView Package;
+ StringView Version;
+ unsigned int Op;
+
+ Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false, myArch);
+ if (Start == 0)
+ return _error->Error("Problem parsing dependency %zu",static_cast<size_t>(Key)); // TODO
+ size_t const found = Package.rfind(':');
+
+ if (found == string::npos)
+ {
+ if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false)
+ return false;
+ }
+ else if (Package.substr(found) == ":any")
+ {
+ if (NewDepends(Ver,Package,"any",Version,Op,Type) == false)
+ return false;
+ }
+ else
+ {
+ // Such dependencies are not supposed to be accepted …
+ // … but this is probably the best thing to do anyway
+ if (Package.substr(found + 1) == "native")
+ {
+ std::string const Pkg = Package.substr(0, found).to_string() + ':' + Ver.Cache()->NativeArch();
+ if (NewDepends(Ver, Pkg, "any", Version, Op | pkgCache::Dep::ArchSpecific, Type) == false)
+ return false;
+ }
+ else if (NewDepends(Ver, Package, "any", Version, Op | pkgCache::Dep::ArchSpecific, Type) == false)
+ return false;
+ }
+
+ if (Start == Stop)
+ break;
+ }
+ return true;
+}
+ /*}}}*/
+// ListParser::ParseProvides - Parse the provides list /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
+{
+ /* it is unlikely, but while parsing dependencies, we might have already
+ picked up multi-arch implicit provides which we do not want to duplicate here */
+ bool hasProvidesAlready = false;
+ std::string const spzName = Ver.ParentPkg().FullName(false);
+ {
+ for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
+ {
+ if (Prv.IsMultiArchImplicit() == false || (Prv->Flags & pkgCache::Flag::ArchSpecific) == 0)
+ continue;
+ if (spzName != Prv.OwnerPkg().FullName(false))
+ continue;
+ hasProvidesAlready = true;
+ break;
+ }
+ }
+
+ string const Arch = Ver.Arch();
+ const char *Start;
+ const char *Stop;
+ if (Section.Find(pkgTagSection::Key::Provides,Start,Stop) == true)
+ {
+ StringView Package;
+ StringView Version;
+ unsigned int Op;
+
+ do
+ {
+ Start = ParseDepends(Start,Stop,Package,Version,Op, false, false, false);
+ const size_t archfound = Package.rfind(':');
+ if (Start == 0)
+ return _error->Error("Problem parsing Provides line");
+ if (unlikely(Op != pkgCache::Dep::NoOp && Op != pkgCache::Dep::Equals)) {
+ _error->Warning("Ignoring Provides line with non-equal DepCompareOp for package %s", Package.to_string().c_str());
+ } else if (archfound != string::npos) {
+ StringView spzArch = Package.substr(archfound + 1);
+ if (spzArch != "any")
+ {
+ if (NewProvides(Ver, Package.substr(0, archfound), spzArch, Version, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ if (NewProvides(Ver, Package, "any", Version, pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ } else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) {
+ if (APT::Configuration::checkArchitecture(Arch))
+ {
+ if (NewProvidesAllArch(Ver, Package, Version, 0) == false)
+ return false;
+ }
+ else if (NewProvides(Ver, Package, Arch, Version, 0) == false)
+ return false;
+ } else {
+ if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ {
+ if (NewProvides(Ver, Package.to_string().append(":any"), "any", Version, pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
+ if (NewProvides(Ver, Package, Arch, Version, 0) == false)
+ return false;
+ }
+ if (archfound == std::string::npos)
+ {
+ string spzName = Package.to_string();
+ spzName.push_back(':');
+ spzName.append(Ver.ParentPkg().Arch());
+ pkgCache::PkgIterator const spzPkg = Ver.Cache()->FindPkg(spzName, "any");
+ if (spzPkg.end() == false)
+ {
+ if (NewProvides(Ver, spzName, "any", Version, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ }
+ } while (Start != Stop);
+ }
+
+ if (APT::Configuration::checkArchitecture(Arch))
+ {
+ if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ {
+ string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
+ if (NewProvides(Ver, Package, "any", Ver.VerStr(), pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
+ else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
+ {
+ if (NewProvidesAllArch(Ver, Ver.ParentPkg().Name(), Ver.VerStr(), pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
+ }
+
+ if (hasProvidesAlready == false)
+ {
+ pkgCache::PkgIterator const spzPkg = Ver.Cache()->FindPkg(spzName, "any");
+ if (spzPkg.end() == false)
+ {
+ if (NewProvides(Ver, spzName, "any", Ver.VerStr(), pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ }
+ return true;
+}
+ /*}}}*/
+// ListParser::GrabWord - Matches a word and returns /*{{{*/
+// ---------------------------------------------------------------------
+/* Looks for a word in a list of words - for ParseStatus */
+bool debListParser::GrabWord(StringView Word, WordList const *List, unsigned char &Out)
+{
+ for (unsigned int C = 0; List[C].Str.empty() == false; C++)
+ {
+ if (Word.length() == List[C].Str.length() &&
+ strncasecmp(Word.data(), List[C].Str.data(), Word.length()) == 0)
+ {
+ Out = List[C].Val;
+ return true;
+ }
+ }
+ return false;
+}
+ /*}}}*/
+// ListParser::Step - Move to the next section in the file /*{{{*/
+// ---------------------------------------------------------------------
+/* This has to be careful to only process the correct architecture */
+bool debListParser::Step()
+{
+ iOffset = Tags.Offset();
+ return Tags.Step(Section);
+}
+ /*}}}*/
+// ListParser::GetPrio - Convert the priority from a string /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned char debListParser::GetPrio(string Str)
+{
+ unsigned char Out;
+ if (GrabWord(Str,PrioList,Out) == false)
+ Out = pkgCache::State::Extra;
+
+ return Out;
+}
+ /*}}}*/
+bool debListParser::SameVersion(unsigned short const Hash, /*{{{*/
+ pkgCache::VerIterator const &Ver)
+{
+ if (pkgCacheListParser::SameVersion(Hash, Ver) == false)
+ return false;
+ // status file has no (Download)Size, but all others are fair game
+ // status file is parsed last, so the first version we encounter is
+ // probably also the version we have downloaded
+ unsigned long long const Size = Section.FindULL(pkgTagSection::Key::Size);
+ if (Size != 0 && Ver->Size != 0 && Size != Ver->Size)
+ return false;
+ // available everywhere, but easier to check here than to include in VersionHash
+ unsigned char MultiArch = ParseMultiArch(false);
+ if (MultiArch != Ver->MultiArch)
+ return false;
+ // for all practical proposes (we can check): same version
+ return true;
+}
+ /*}}}*/
+
+debDebFileParser::debDebFileParser(FileFd *File, std::string const &DebFile)
+ : debListParser(File), DebFile(DebFile)
+{
+}
+
+bool debDebFileParser::UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver)
+{
+ bool res = debListParser::UsePackage(Pkg, Ver);
+ // we use the full file path as a provides so that the file is found
+ // by its name
+ if(NewProvides(Ver, DebFile, Pkg.Cache()->NativeArch(), Ver.VerStr(), 0) == false)
+ return false;
+ return res;
+}
+
+debListParser::~debListParser() {}
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
new file mode 100644
index 0000000..f02252d
--- /dev/null
+++ b/apt-pkg/deb/deblistparser.h
@@ -0,0 +1,159 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Package List Parser - This implements the abstract parser
+ interface for Debian package files
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBLISTPARSER_H
+#define PKGLIB_DEBLISTPARSER_H
+
+#include <apt-pkg/macros.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/tagfile.h>
+
+#include <string>
+#include <vector>
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/indexfile.h>
+#endif
+
+class FileFd;
+
+class APT_HIDDEN debListParser : public pkgCacheListParser
+{
+ public:
+
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ // Parser Helper
+ struct WordList
+ {
+ APT::StringView Str;
+ unsigned char Val;
+ };
+#endif
+
+ private:
+ std::vector<std::string> forceEssential;
+ std::vector<std::string> forceImportant;
+ std::string MD5Buffer;
+ std::string myArch;
+
+ protected:
+ pkgTagFile Tags;
+ pkgTagSection Section;
+ map_filesize_t iOffset;
+
+ virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
+ bool ParseDepends(pkgCache::VerIterator &Ver, pkgTagSection::Key Key,
+ unsigned int Type);
+ bool ParseProvides(pkgCache::VerIterator &Ver);
+
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ APT_HIDDEN static bool GrabWord(APT::StringView Word,const WordList *List,unsigned char &Out);
+#endif
+ APT_HIDDEN unsigned char ParseMultiArch(bool const showErrors);
+
+ public:
+
+ APT_PUBLIC static unsigned char GetPrio(std::string Str);
+
+ // These all operate against the current section
+ virtual std::string Package() APT_OVERRIDE;
+ virtual bool ArchitectureAll() APT_OVERRIDE;
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ virtual APT::StringView Architecture() APT_OVERRIDE;
+ virtual APT::StringView Version() APT_OVERRIDE;
+#endif
+ virtual bool NewVersion(pkgCache::VerIterator &Ver) APT_OVERRIDE;
+ virtual std::vector<std::string> AvailableDescriptionLanguages() APT_OVERRIDE;
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ virtual APT::StringView Description_md5() APT_OVERRIDE;
+#endif
+ virtual unsigned short VersionHash() APT_OVERRIDE;
+ virtual bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver) APT_OVERRIDE;
+ virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver) APT_OVERRIDE;
+ virtual map_filesize_t Offset() APT_OVERRIDE {return iOffset;};
+ virtual map_filesize_t Size() APT_OVERRIDE {return Section.size();};
+
+ virtual bool Step() APT_OVERRIDE;
+
+ APT_PUBLIC static const char *ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op);
+ APT_PUBLIC static const char *ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags);
+ APT_PUBLIC static const char *ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags, bool const &StripMultiArch);
+ APT_PUBLIC static const char *ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags, bool const &StripMultiArch,
+ bool const &ParseRestrictionsList);
+ APT_PUBLIC static const char *ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags, bool const &StripMultiArch,
+ bool const &ParseRestrictionsList,
+ std::string const &Arch);
+
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ APT_HIDDEN static const char *ParseDepends(const char *Start,const char *Stop,
+ APT::StringView &Package,
+ APT::StringView &Ver,unsigned int &Op,
+ bool const ParseArchFlags = false, bool StripMultiArch = true,
+ bool const ParseRestrictionsList = false);
+ APT_HIDDEN static const char *ParseDepends(const char *Start,const char *Stop,
+ APT::StringView &Package,
+ APT::StringView &Ver,unsigned int &Op,
+ bool const ParseArchFlags, bool StripMultiArch,
+ bool const ParseRestrictionsList,
+ std::string const &Arch);
+#endif
+
+ APT_PUBLIC static const char *ConvertRelation(const char *I,unsigned int &Op);
+
+ debListParser(FileFd *File);
+ virtual ~debListParser();
+};
+
+class APT_HIDDEN debDebFileParser : public debListParser
+{
+ private:
+ std::string DebFile;
+
+ public:
+ debDebFileParser(FileFd *File, std::string const &DebFile);
+ virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
+ pkgCache::VerIterator &Ver) APT_OVERRIDE;
+};
+
+class APT_HIDDEN debTranslationsParser : public debListParser
+{
+ public:
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+ // a translation can never be a real package
+ virtual APT::StringView Architecture() APT_OVERRIDE { return ""; }
+ virtual APT::StringView Version() APT_OVERRIDE { return ""; }
+#endif
+
+ debTranslationsParser(FileFd *File)
+ : debListParser(File) {};
+};
+
+class APT_HIDDEN debStatusListParser : public debListParser
+{
+ public:
+ virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
+ debStatusListParser(FileFd *File)
+ : debListParser(File) {};
+};
+#endif
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
new file mode 100644
index 0000000..f88076a
--- /dev/null
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -0,0 +1,1316 @@
+#include <config.h>
+
+#include <apt-pkg/acquire-item.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/debmetaindex.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/pkgcachegen.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile.h>
+
+#include <algorithm>
+#include <map>
+#include <sstream>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <string.h>
+#include <sys/stat.h>
+
+#include <apti18n.h>
+
+static std::string transformFingergrpints(std::string finger) /*{{{*/
+{
+ std::transform(finger.begin(), finger.end(), finger.begin(), ::toupper);
+ if (finger.length() == 40)
+ {
+ if (finger.find_first_not_of("0123456789ABCDEF") == std::string::npos)
+ return finger;
+ }
+ else if (finger.length() == 41)
+ {
+ auto bang = finger.find_first_not_of("0123456789ABCDEF");
+ if (bang == 40 && finger[bang] == '!')
+ return finger;
+ }
+ return "";
+}
+ /*}}}*/
+static std::string transformFingergrpintsWithFilenames(std::string const &finger) /*{{{*/
+{
+ // no check for existence as we could be chrooting later or such things
+ if (finger.empty() == false && finger[0] == '/')
+ return finger;
+ return transformFingergrpints(finger);
+}
+ /*}}}*/
+static std::string NormalizeSignedBy(std::string SignedBy, bool const SupportFilenames) /*{{{*/
+{
+ // we could go all fancy and allow short/long/string matches as gpgv/apt-key does,
+ // but fingerprints are harder to fake than the others and this option is set once,
+ // not interactively all the time so easy to type is not really a concern.
+ std::transform(SignedBy.begin(), SignedBy.end(), SignedBy.begin(), [](char const c) {
+ return (isspace(c) == 0) ? c : ',';
+ });
+ auto fingers = VectorizeString(SignedBy, ',');
+ auto const isAnEmptyString = [](std::string const &s) { return s.empty(); };
+ fingers.erase(std::remove_if(fingers.begin(), fingers.end(), isAnEmptyString), fingers.end());
+ if (unlikely(fingers.empty()))
+ return "";
+ if (SupportFilenames)
+ std::transform(fingers.begin(), fingers.end(), fingers.begin(), transformFingergrpintsWithFilenames);
+ else
+ std::transform(fingers.begin(), fingers.end(), fingers.begin(), transformFingergrpints);
+ if (std::any_of(fingers.begin(), fingers.end(), isAnEmptyString))
+ return "";
+ std::stringstream os;
+ std::copy(fingers.begin(), fingers.end() - 1, std::ostream_iterator<std::string>(os, ","));
+ os << *fingers.rbegin();
+ return os.str();
+}
+ /*}}}*/
+
+class APT_HIDDEN debReleaseIndexPrivate /*{{{*/
+{
+ public:
+ struct APT_HIDDEN debSectionEntry
+ {
+ std::string const sourcesEntry;
+ std::string const Name;
+ std::vector<std::string> const Targets;
+ std::vector<std::string> const Architectures;
+ std::vector<std::string> const Languages;
+ bool const UsePDiffs;
+ std::string const UseByHash;
+ };
+
+ std::vector<debSectionEntry> DebEntries;
+ std::vector<debSectionEntry> DebSrcEntries;
+
+ metaIndex::TriState CheckValidUntil;
+ time_t ValidUntilMin;
+ time_t ValidUntilMax;
+
+ metaIndex::TriState CheckDate;
+ time_t DateMaxFuture;
+ time_t NotBefore;
+
+ std::vector<std::string> Architectures;
+ std::vector<std::string> NoSupportForAll;
+ std::vector<std::string> SupportedComponents;
+ std::map<std::string, std::string> const ReleaseOptions;
+
+ debReleaseIndexPrivate(std::map<std::string, std::string> const &Options) : CheckValidUntil(metaIndex::TRI_UNSET), ValidUntilMin(0), ValidUntilMax(0), CheckDate(metaIndex::TRI_UNSET), DateMaxFuture(0), NotBefore(0), ReleaseOptions(Options) {}
+};
+ /*}}}*/
+// ReleaseIndex::MetaIndex* - display helpers /*{{{*/
+std::string debReleaseIndex::MetaIndexInfo(const char *Type) const
+{
+ std::string Info = ::URI::ArchiveOnly(URI) + ' ';
+ if (Dist[Dist.size() - 1] == '/')
+ {
+ if (Dist != "/")
+ Info += Dist;
+ }
+ else
+ Info += Dist;
+ Info += " ";
+ Info += Type;
+ return Info;
+}
+std::string debReleaseIndex::Describe() const
+{
+ return MetaIndexInfo("Release");
+}
+
+std::string debReleaseIndex::MetaIndexFile(const char *Type) const
+{
+ return _config->FindDir("Dir::State::lists") +
+ URItoFileName(MetaIndexURI(Type));
+}
+static std::string constructMetaIndexURI(std::string URI, std::string const &Dist, char const * const Type)
+{
+ if (Dist == "/")
+ ;
+ else if (Dist[Dist.size()-1] == '/')
+ URI += Dist;
+ else
+ URI += "dists/" + Dist + "/";
+ return URI + Type;
+}
+std::string debReleaseIndex::MetaIndexURI(const char *Type) const
+{
+ return constructMetaIndexURI(URI, Dist, Type);
+}
+ /*}}}*/
+// ReleaseIndex Con- and Destructors /*{{{*/
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, std::map<std::string, std::string> const &Options) :
+ metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options))
+{}
+debReleaseIndex::debReleaseIndex(std::string const &URI, std::string const &Dist, bool const pTrusted, std::map<std::string, std::string> const &Options) :
+ metaIndex(URI, Dist, "deb"), d(new debReleaseIndexPrivate(Options))
+{
+ Trusted = pTrusted ? TRI_YES : TRI_NO;
+}
+debReleaseIndex::~debReleaseIndex() {
+ if (d != NULL)
+ delete d;
+}
+ /*}}}*/
+// ReleaseIndex::GetIndexTargets /*{{{*/
+static void GetIndexTargetsFor(char const * const Type, std::string const &URI, std::string const &Dist,
+ std::vector<debReleaseIndexPrivate::debSectionEntry> const &entries,
+ std::vector<IndexTarget> &IndexTargets, std::map<std::string, std::string> const &ReleaseOptions)
+{
+ bool const flatArchive = (Dist[Dist.length() - 1] == '/');
+ std::string const baseURI = constructMetaIndexURI(URI, Dist, "");
+
+ std::string DefCompressionTypes;
+ {
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ if (types.empty() == false)
+ {
+ std::ostringstream os;
+ std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
+ os << *types.rbegin();
+ DefCompressionTypes = os.str();
+ }
+ }
+ std::string DefKeepCompressedAs;
+ {
+ std::vector<APT::Configuration::Compressor> comps = APT::Configuration::getCompressors();
+ if (comps.empty() == false)
+ {
+ std::sort(comps.begin(), comps.end(),
+ [](APT::Configuration::Compressor const &a, APT::Configuration::Compressor const &b) { return a.Cost < b.Cost; });
+ std::ostringstream os;
+ for (auto const &c : comps)
+ if (c.Cost != 0)
+ os << c.Extension.substr(1) << ' ';
+ DefKeepCompressedAs = os.str();
+ }
+ DefKeepCompressedAs += "uncompressed";
+ }
+
+ std::vector<std::string> const NativeArchs = { _config->Find("APT::Architecture"), "implicit:all" };
+ bool const GzipIndex = _config->FindB("Acquire::GzipIndexes", false);
+ for (std::vector<debReleaseIndexPrivate::debSectionEntry>::const_iterator E = entries.begin(); E != entries.end(); ++E)
+ {
+ for (std::vector<std::string>::const_iterator T = E->Targets.begin(); T != E->Targets.end(); ++T)
+ {
+#define APT_T_CONFIG_STR(X, Y) _config->Find(std::string("Acquire::IndexTargets::") + Type + "::" + *T + "::" + (X), (Y))
+#define APT_T_CONFIG_BOOL(X, Y) _config->FindB(std::string("Acquire::IndexTargets::") + Type + "::" + *T + "::" + (X), (Y))
+ std::string const tplMetaKey = APT_T_CONFIG_STR(flatArchive ? "flatMetaKey" : "MetaKey", "");
+ std::string const tplShortDesc = APT_T_CONFIG_STR("ShortDescription", "");
+ std::string const tplLongDesc = "$(SITE) " + APT_T_CONFIG_STR(flatArchive ? "flatDescription" : "Description", "");
+ std::string const tplIdentifier = APT_T_CONFIG_STR("Identifier", *T);
+ bool const IsOptional = APT_T_CONFIG_BOOL("Optional", true);
+ bool const KeepCompressed = APT_T_CONFIG_BOOL("KeepCompressed", GzipIndex);
+ bool const DefaultEnabled = APT_T_CONFIG_BOOL("DefaultEnabled", true);
+ bool const UsePDiffs = APT_T_CONFIG_BOOL("PDiffs", E->UsePDiffs);
+ std::string const UseByHash = APT_T_CONFIG_STR("By-Hash", E->UseByHash);
+ std::string const CompressionTypes = APT_T_CONFIG_STR("CompressionTypes", DefCompressionTypes);
+ std::string KeepCompressedAs = APT_T_CONFIG_STR("KeepCompressedAs", "");
+ std::string const FallbackOf = APT_T_CONFIG_STR("Fallback-Of", "");
+#undef APT_T_CONFIG_BOOL
+#undef APT_T_CONFIG_STR
+ if (tplMetaKey.empty())
+ continue;
+
+ if (KeepCompressedAs.empty())
+ KeepCompressedAs = DefKeepCompressedAs;
+ else
+ {
+ std::vector<std::string> const defKeep = VectorizeString(DefKeepCompressedAs, ' ');
+ std::vector<std::string> const valKeep = VectorizeString(KeepCompressedAs, ' ');
+ std::vector<std::string> keep;
+ for (auto const &val : valKeep)
+ {
+ if (val.empty())
+ continue;
+ if (std::find(defKeep.begin(), defKeep.end(), val) == defKeep.end())
+ continue;
+ keep.push_back(val);
+ }
+ if (std::find(keep.begin(), keep.end(), "uncompressed") == keep.end())
+ keep.push_back("uncompressed");
+ std::ostringstream os;
+ std::copy(keep.begin(), keep.end()-1, std::ostream_iterator<std::string>(os, " "));
+ os << *keep.rbegin();
+ KeepCompressedAs = os.str();
+ }
+
+ for (std::vector<std::string>::const_iterator L = E->Languages.begin(); L != E->Languages.end(); ++L)
+ {
+ if (*L == "none" && tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+ continue;
+
+ for (std::vector<std::string>::const_iterator A = E->Architectures.begin(); A != E->Architectures.end(); ++A)
+ {
+ for (auto const &NativeArch: NativeArchs)
+ {
+ constexpr static auto BreakPoint = "$(NATIVE_ARCHITECTURE)";
+ // available in templates
+ std::map<std::string, std::string> Options;
+ Options.insert(ReleaseOptions.begin(), ReleaseOptions.end());
+ if (tplMetaKey.find("$(COMPONENT)") != std::string::npos)
+ Options.emplace("COMPONENT", E->Name);
+ if (tplMetaKey.find("$(LANGUAGE)") != std::string::npos)
+ Options.emplace("LANGUAGE", *L);
+ if (tplMetaKey.find("$(ARCHITECTURE)") != std::string::npos)
+ Options.emplace("ARCHITECTURE", (*A == "implicit:all") ? "all" : *A);
+ else if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
+ Options.emplace("ARCHITECTURE", (NativeArch == "implicit:all") ? "all" : NativeArch);
+ if (tplMetaKey.find("$(NATIVE_ARCHITECTURE)") != std::string::npos)
+ Options.emplace("NATIVE_ARCHITECTURE", (NativeArch == "implicit:all") ? "all" : NativeArch);
+
+ std::string MetaKey = tplMetaKey;
+ std::string ShortDesc = tplShortDesc;
+ std::string LongDesc = tplLongDesc;
+ std::string Identifier = tplIdentifier;
+ for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
+ {
+ std::string const varname = "$(" + O->first + ")";
+ MetaKey = SubstVar(MetaKey, varname, O->second);
+ ShortDesc = SubstVar(ShortDesc, varname, O->second);
+ LongDesc = SubstVar(LongDesc, varname, O->second);
+ Identifier = SubstVar(Identifier, varname, O->second);
+ }
+
+ {
+ auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
+ return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
+ E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T == IT.Option(IndexTarget::CREATED_BY);
+ });
+ if (dup != IndexTargets.end())
+ {
+ if (tplMetaKey.find(BreakPoint) == std::string::npos)
+ break;
+ continue;
+ }
+ }
+
+ {
+ auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &IT) {
+ return MetaKey == IT.MetaKey && baseURI == IT.Option(IndexTarget::BASE_URI) &&
+ E->sourcesEntry == IT.Option(IndexTarget::SOURCESENTRY) && *T != IT.Option(IndexTarget::CREATED_BY);
+ });
+ if (dup != IndexTargets.end())
+ {
+ std::string const dupT = dup->Option(IndexTarget::CREATED_BY);
+ std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
+ //TRANSLATOR: an identifier like Packages; Releasefile key indicating
+ // a file like main/binary-amd64/Packages; another identifier like Contents;
+ // filename and linenumber of the sources.list entry currently parsed
+ _error->Warning(_("Target %s wants to acquire the same file (%s) as %s from source %s"),
+ T->c_str(), MetaKey.c_str(), dupT.c_str(), dupEntry.c_str());
+ if (tplMetaKey.find(BreakPoint) == std::string::npos)
+ break;
+ continue;
+ }
+ }
+
+ {
+ auto const dup = std::find_if(IndexTargets.begin(), IndexTargets.end(), [&](IndexTarget const &T) {
+ return MetaKey == T.MetaKey && baseURI == T.Option(IndexTarget::BASE_URI) &&
+ E->sourcesEntry != T.Option(IndexTarget::SOURCESENTRY);
+ });
+ if (dup != IndexTargets.end())
+ {
+ std::string const dupEntry = dup->Option(IndexTarget::SOURCESENTRY);
+ if (T->find("legacy") == std::string::npos)
+ {
+ //TRANSLATOR: an identifier like Packages; Releasefile key indicating
+ // a file like main/binary-amd64/Packages; filename and linenumber of
+ // two sources.list entries
+ _error->Warning(_("Target %s (%s) is configured multiple times in %s and %s"),
+ T->c_str(), MetaKey.c_str(), dupEntry.c_str(), E->sourcesEntry.c_str());
+ }
+ if (tplMetaKey.find(BreakPoint) == std::string::npos)
+ break;
+ continue;
+ }
+ }
+
+ // not available in templates, but in the indextarget
+ Options.insert(std::make_pair("IDENTIFIER", Identifier));
+ Options.insert(std::make_pair("TARGET_OF", Type));
+ Options.insert(std::make_pair("CREATED_BY", *T));
+ Options.insert(std::make_pair("FALLBACK_OF", FallbackOf));
+ Options.insert(std::make_pair("PDIFFS", UsePDiffs ? "yes" : "no"));
+ Options.insert(std::make_pair("BY_HASH", UseByHash));
+ Options.insert(std::make_pair("DEFAULTENABLED", DefaultEnabled ? "yes" : "no"));
+ Options.insert(std::make_pair("COMPRESSIONTYPES", CompressionTypes));
+ Options.insert(std::make_pair("KEEPCOMPRESSEDAS", KeepCompressedAs));
+ Options.insert(std::make_pair("SOURCESENTRY", E->sourcesEntry));
+
+ bool IsOpt = IsOptional;
+ {
+ auto const arch = Options.find("ARCHITECTURE");
+ if (arch != Options.end() && arch->second == "all")
+ {
+ // one of them must be implicit:all then
+ if (*A != "all" && NativeArch != "all")
+ IsOpt = true;
+ else // user used arch=all explicitly
+ Options.emplace("Force-Support-For-All", "yes");
+ }
+ }
+
+ IndexTarget Target(
+ MetaKey,
+ ShortDesc,
+ LongDesc,
+ baseURI + MetaKey,
+ IsOpt,
+ KeepCompressed,
+ Options
+ );
+ IndexTargets.push_back(Target);
+
+ if (tplMetaKey.find(BreakPoint) == std::string::npos)
+ break;
+ }
+
+ if (tplMetaKey.find("$(ARCHITECTURE)") == std::string::npos)
+ break;
+
+ }
+
+ if (tplMetaKey.find("$(LANGUAGE)") == std::string::npos)
+ break;
+
+ }
+
+ }
+ }
+}
+std::vector<IndexTarget> debReleaseIndex::GetIndexTargets() const
+{
+ std::vector<IndexTarget> IndexTargets;
+ GetIndexTargetsFor("deb-src", URI, Dist, d->DebSrcEntries, IndexTargets, d->ReleaseOptions);
+ GetIndexTargetsFor("deb", URI, Dist, d->DebEntries, IndexTargets, d->ReleaseOptions);
+ return IndexTargets;
+}
+ /*}}}*/
+void debReleaseIndex::AddComponent(std::string const &sourcesEntry, /*{{{*/
+ bool const isSrc, std::string const &Name,
+ std::vector<std::string> const &Targets,
+ std::vector<std::string> const &Architectures,
+ std::vector<std::string> Languages,
+ bool const usePDiffs, std::string const &useByHash)
+{
+ if (Languages.empty() == true)
+ Languages.push_back("none");
+ debReleaseIndexPrivate::debSectionEntry const entry = {
+ sourcesEntry, Name, Targets, Architectures, Languages, usePDiffs, useByHash
+ };
+ if (isSrc)
+ d->DebSrcEntries.push_back(entry);
+ else
+ d->DebEntries.push_back(entry);
+}
+ /*}}}*/
+
+bool debReleaseIndex::Load(std::string const &Filename, std::string * const ErrorText)/*{{{*/
+{
+ LoadedSuccessfully = TRI_NO;
+ FileFd Fd;
+ if (OpenMaybeClearSignedFile(Filename, Fd) == false)
+ return false;
+
+ pkgTagFile TagFile(&Fd, Fd.Size());
+ if (Fd.IsOpen() == false || Fd.Failed())
+ {
+ if (ErrorText != NULL)
+ strprintf(*ErrorText, _("Unable to parse Release file %s"),Filename.c_str());
+ return false;
+ }
+
+ pkgTagSection Section;
+ const char *Start, *End;
+ if (TagFile.Step(Section) == false)
+ {
+ if (ErrorText != NULL)
+ strprintf(*ErrorText, _("No sections in Release file %s"), Filename.c_str());
+ return false;
+ }
+ // FIXME: find better tag name
+ SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false);
+
+ SetOrigin(Section.FindS("Origin"));
+ SetLabel(Section.FindS("Label"));
+ SetVersion(Section.FindS("Version"));
+ Suite = Section.FindS("Suite");
+ Codename = Section.FindS("Codename");
+ SetReleaseNotes(Section.FindS("Release-Notes"));
+ {
+ std::string const archs = Section.FindS("Architectures");
+ if (archs.empty() == false)
+ d->Architectures = VectorizeString(archs, ' ');
+ }
+ {
+ std::string const targets = Section.FindS("No-Support-for-Architecture-all");
+ if (targets.empty() == false)
+ d->NoSupportForAll = VectorizeString(targets, ' ');
+ }
+ for (auto const &comp: VectorizeString(Section.FindS("Components"), ' '))
+ {
+ if (comp.empty())
+ continue;
+ auto const pos = comp.find_last_of('/');
+ if (pos != std::string::npos) // e.g. security.debian.org uses this style
+ d->SupportedComponents.push_back(comp.substr(pos + 1));
+ d->SupportedComponents.push_back(std::move(comp));
+ }
+ {
+ decltype(pkgCache::ReleaseFile::Flags) flags = 0;
+ Section.FindFlag("NotAutomatic", flags, pkgCache::Flag::NotAutomatic);
+ signed short defaultpin = 500;
+ if ((flags & pkgCache::Flag::NotAutomatic) == pkgCache::Flag::NotAutomatic)
+ {
+ Section.FindFlag("ButAutomaticUpgrades", flags, pkgCache::Flag::ButAutomaticUpgrades);
+ if ((flags & pkgCache::Flag::ButAutomaticUpgrades) == pkgCache::Flag::ButAutomaticUpgrades)
+ defaultpin = 100;
+ else
+ defaultpin = 1;
+ }
+ SetDefaultPin(defaultpin);
+ }
+
+ bool FoundHashSum = false;
+ bool FoundStrongHashSum = false;
+ auto const SupportedHashes = HashString::SupportedHashes();
+ for (int i=0; SupportedHashes[i] != NULL; i++)
+ {
+ if (!Section.Find(SupportedHashes[i], Start, End))
+ continue;
+
+ std::string Name;
+ std::string Hash;
+ unsigned long long Size;
+ while (Start < End)
+ {
+ if (!parseSumData(Start, End, Name, Hash, Size))
+ return false;
+
+ HashString const hs(SupportedHashes[i], Hash);
+ if (Entries.find(Name) == Entries.end())
+ {
+ metaIndex::checkSum *Sum = new metaIndex::checkSum;
+ Sum->MetaKeyFilename = Name;
+ Sum->Size = Size;
+ Sum->Hashes.FileSize(Size);
+ APT_IGNORE_DEPRECATED_PUSH
+ Sum->Hash = hs;
+ APT_IGNORE_DEPRECATED_POP
+ Entries[Name] = Sum;
+ }
+ Entries[Name]->Hashes.push_back(hs);
+ FoundHashSum = true;
+ if (FoundStrongHashSum == false && hs.usable() == true)
+ FoundStrongHashSum = true;
+ }
+ }
+
+ bool AuthPossible = false;
+ if(FoundHashSum == false)
+ _error->Warning(_("No Hash entry in Release file %s"), Filename.c_str());
+ else if(FoundStrongHashSum == false)
+ _error->Warning(_("No Hash entry in Release file %s which is considered strong enough for security purposes"), Filename.c_str());
+ else
+ AuthPossible = true;
+
+ std::string const StrDate = Section.FindS("Date");
+ if (RFC1123StrToTime(StrDate.c_str(), Date) == false)
+ {
+ _error->Warning( _("Invalid '%s' entry in Release file %s"), "Date", Filename.c_str());
+ Date = 0;
+ }
+
+ bool CheckDate = _config->FindB("Acquire::Check-Date", true);
+ if (d->CheckDate == metaIndex::TRI_NO)
+ CheckDate = false;
+ else if (d->CheckDate == metaIndex::TRI_YES)
+ CheckDate = true;
+
+ if (CheckDate)
+ {
+ auto const Label = GetLabel();
+ // get the user settings for this archive
+ time_t MaxFuture = d->DateMaxFuture;
+ if (MaxFuture == 0)
+ {
+ MaxFuture = _config->FindI("Acquire::Max-FutureTime", 10);
+ if (Label.empty() == false)
+ MaxFuture = _config->FindI(("Acquire::Max-FutureTime::" + Label).c_str(), MaxFuture);
+ }
+
+ d->NotBefore = Date - MaxFuture;
+
+ bool CheckValidUntil = _config->FindB("Acquire::Check-Valid-Until", true);
+ if (d->CheckValidUntil == metaIndex::TRI_NO)
+ CheckValidUntil = false;
+ else if (d->CheckValidUntil == metaIndex::TRI_YES)
+ CheckValidUntil = true;
+
+ if (CheckValidUntil == true)
+ {
+ std::string const StrValidUntil = Section.FindS("Valid-Until");
+
+ // if we have a Valid-Until header in the Release file, use it as default
+ if (StrValidUntil.empty() == false)
+ {
+ if (RFC1123StrToTime(StrValidUntil.c_str(), ValidUntil) == false)
+ {
+ if (ErrorText != NULL)
+ strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Valid-Until", Filename.c_str());
+ return false;
+ }
+ }
+ auto const Label = GetLabel();
+ // get the user settings for this archive and use what expires earlier
+ time_t MaxAge = d->ValidUntilMax;
+ if (MaxAge == 0)
+ {
+ MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
+ if (Label.empty() == false)
+ MaxAge = _config->FindI(("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
+ }
+ time_t MinAge = d->ValidUntilMin;
+ if (MinAge == 0)
+ {
+ MinAge = _config->FindI("Acquire::Min-ValidTime", 0);
+ if (Label.empty() == false)
+ MinAge = _config->FindI(("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
+ }
+
+ if (MinAge != 0 || ValidUntil != 0 || MaxAge != 0)
+ {
+ if (MinAge != 0 && ValidUntil != 0)
+ {
+ time_t const min_date = Date + MinAge;
+ if (ValidUntil < min_date)
+ ValidUntil = min_date;
+ }
+ if (MaxAge != 0 && Date != 0)
+ {
+ time_t const max_date = Date + MaxAge;
+ if (ValidUntil == 0 || ValidUntil > max_date)
+ ValidUntil = max_date;
+ }
+ }
+ }
+ }
+
+ /* as the Release file is parsed only after it was verified, the Signed-By field
+ does not effect the current, but the "next" Release file */
+ auto Sign = Section.FindS("Signed-By");
+ if (Sign.empty() == false)
+ {
+ SignedBy = NormalizeSignedBy(Sign, false);
+ if (SignedBy.empty() && ErrorText != NULL)
+ strprintf(*ErrorText, _("Invalid '%s' entry in Release file %s"), "Signed-By", Filename.c_str());
+ }
+
+ if (AuthPossible)
+ LoadedSuccessfully = TRI_YES;
+ return AuthPossible;
+}
+ /*}}}*/
+time_t debReleaseIndex::GetNotBefore() const /*{{{*/
+{
+ return d->NotBefore;
+}
+ /*}}}*/
+metaIndex * debReleaseIndex::UnloadedClone() const /*{{{*/
+{
+ if (Trusted == TRI_NO)
+ return new debReleaseIndex(URI, Dist, false, d->ReleaseOptions);
+ else if (Trusted == TRI_YES)
+ return new debReleaseIndex(URI, Dist, true, d->ReleaseOptions);
+ else
+ return new debReleaseIndex(URI, Dist, d->ReleaseOptions);
+}
+ /*}}}*/
+bool debReleaseIndex::parseSumData(const char *&Start, const char *End, /*{{{*/
+ std::string &Name, std::string &Hash, unsigned long long &Size)
+{
+ Name = "";
+ Hash = "";
+ Size = 0;
+ /* Skip over the first blank */
+ while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r')
+ && Start < End)
+ Start++;
+ if (Start >= End)
+ return false;
+
+ /* Move EntryEnd to the end of the first entry (the hash) */
+ const char *EntryEnd = Start;
+ while ((*EntryEnd != '\t' && *EntryEnd != ' ')
+ && EntryEnd < End)
+ EntryEnd++;
+ if (EntryEnd == End)
+ return false;
+
+ Hash.append(Start, EntryEnd-Start);
+
+ /* Skip over intermediate blanks */
+ Start = EntryEnd;
+ while (*Start == '\t' || *Start == ' ')
+ Start++;
+ if (Start >= End)
+ return false;
+
+ EntryEnd = Start;
+ /* Find the end of the second entry (the size) */
+ while ((*EntryEnd != '\t' && *EntryEnd != ' ' )
+ && EntryEnd < End)
+ EntryEnd++;
+ if (EntryEnd == End)
+ return false;
+
+ Size = strtoull (Start, NULL, 10);
+
+ /* Skip over intermediate blanks */
+ Start = EntryEnd;
+ while (*Start == '\t' || *Start == ' ')
+ Start++;
+ if (Start >= End)
+ return false;
+
+ EntryEnd = Start;
+ /* Find the end of the third entry (the filename) */
+ while ((*EntryEnd != '\t' && *EntryEnd != ' ' &&
+ *EntryEnd != '\n' && *EntryEnd != '\r')
+ && EntryEnd < End)
+ EntryEnd++;
+
+ Name.append(Start, EntryEnd-Start);
+ Start = EntryEnd; //prepare for the next round
+ return true;
+}
+ /*}}}*/
+
+bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll)/*{{{*/
+{
+#define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X), false, false, d->ReleaseOptions)
+ pkgAcqMetaClearSig * const TransactionManager = new pkgAcqMetaClearSig(Owner,
+ APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"), this);
+#undef APT_TARGET
+ // special case for --print-uris
+ if (GetAll)
+ for (auto const &Target: GetIndexTargets())
+ if (Target.Option(IndexTarget::FALLBACK_OF).empty())
+ new pkgAcqIndex(Owner, TransactionManager, Target);
+
+ return true;
+}
+ /*}}}*/
+// ReleaseIndex::Set* TriState options /*{{{*/
+bool debReleaseIndex::SetTrusted(TriState const pTrusted)
+{
+ if (Trusted == TRI_UNSET)
+ Trusted = pTrusted;
+ else if (Trusted != pTrusted)
+ // TRANSLATOR: The first is an option name from sources.list manpage, the other two URI and Suite
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Trusted", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetCheckValidUntil(TriState const pCheckValidUntil)
+{
+ if (d->CheckValidUntil == TRI_UNSET)
+ d->CheckValidUntil = pCheckValidUntil;
+ else if (d->CheckValidUntil != pCheckValidUntil)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Check-Valid-Until", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetValidUntilMin(time_t const Valid)
+{
+ if (d->ValidUntilMin == 0)
+ d->ValidUntilMin = Valid;
+ else if (d->ValidUntilMin != Valid)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Min-ValidTime", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetValidUntilMax(time_t const Valid)
+{
+ if (d->ValidUntilMax == 0)
+ d->ValidUntilMax = Valid;
+ else if (d->ValidUntilMax != Valid)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Max-ValidTime", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetCheckDate(TriState const pCheckDate)
+{
+ if (d->CheckDate == TRI_UNSET)
+ d->CheckDate = pCheckDate;
+ else if (d->CheckDate != pCheckDate)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Check-Date", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetDateMaxFuture(time_t const DateMaxFuture)
+{
+ if (d->DateMaxFuture == 0)
+ d->DateMaxFuture = DateMaxFuture;
+ else if (d->DateMaxFuture != DateMaxFuture)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), "Date-Max-Future", URI.c_str(), Dist.c_str());
+ return true;
+}
+bool debReleaseIndex::SetSignedBy(std::string const &pSignedBy)
+{
+ if (SignedBy.empty() == true && pSignedBy.empty() == false)
+ {
+ SignedBy = NormalizeSignedBy(pSignedBy, true);
+ if (SignedBy.empty())
+ _error->Error(_("Invalid value set for option %s regarding source %s %s (%s)"), "Signed-By", URI.c_str(), Dist.c_str(), "not a fingerprint");
+ }
+ else
+ {
+ auto const normalSignedBy = NormalizeSignedBy(pSignedBy, true);
+ if (normalSignedBy != SignedBy)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s: %s != %s"), "Signed-By", URI.c_str(), Dist.c_str(), SignedBy.c_str(), normalSignedBy.c_str());
+ }
+ return true;
+}
+ /*}}}*/
+// ReleaseIndex::IsTrusted /*{{{*/
+bool debReleaseIndex::IsTrusted() const
+{
+ if (Trusted == TRI_YES)
+ return true;
+ else if (Trusted == TRI_NO)
+ return false;
+
+
+ if(_config->FindB("APT::Authentication::TrustCDROM", false))
+ if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
+ return true;
+
+ if (FileExists(MetaIndexFile("Release.gpg")))
+ return true;
+
+ return FileExists(MetaIndexFile("InRelease"));
+}
+ /*}}}*/
+bool debReleaseIndex::IsArchitectureSupported(std::string const &arch) const/*{{{*/
+{
+ if (d->Architectures.empty())
+ return true;
+ return std::find(d->Architectures.begin(), d->Architectures.end(), arch) != d->Architectures.end();
+}
+ /*}}}*/
+bool debReleaseIndex::IsArchitectureAllSupportedFor(IndexTarget const &target) const/*{{{*/
+{
+ if (target.Options.find("Force-Support-For-All") != target.Options.end())
+ return true;
+ if (IsArchitectureSupported("all") == false)
+ return false;
+ if (d->NoSupportForAll.empty())
+ return true;
+ return std::find(d->NoSupportForAll.begin(), d->NoSupportForAll.end(), target.Option(IndexTarget::CREATED_BY)) == d->NoSupportForAll.end();
+}
+ /*}}}*/
+bool debReleaseIndex::HasSupportForComponent(std::string const &component) const/*{{{*/
+{
+ if (d->SupportedComponents.empty())
+ return true;
+ return std::find(d->SupportedComponents.begin(), d->SupportedComponents.end(), component) != d->SupportedComponents.end();
+}
+ /*}}}*/
+std::vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() /*{{{*/
+{
+ if (Indexes != NULL)
+ return Indexes;
+
+ Indexes = new std::vector<pkgIndexFile*>();
+ bool const istrusted = IsTrusted();
+ for (auto const &T: GetIndexTargets())
+ {
+ std::string const TargetName = T.Option(IndexTarget::CREATED_BY);
+ if (TargetName == "Packages")
+ Indexes->push_back(new debPackagesIndex(T, istrusted));
+ else if (TargetName == "Sources")
+ Indexes->push_back(new debSourcesIndex(T, istrusted));
+ else if (TargetName == "Translations")
+ Indexes->push_back(new debTranslationsIndex(T));
+ }
+ return Indexes;
+}
+ /*}}}*/
+std::map<std::string, std::string> debReleaseIndex::GetReleaseOptions()
+{
+ return d->ReleaseOptions;
+}
+
+static bool ReleaseFileName(debReleaseIndex const * const That, std::string &ReleaseFile)/*{{{*/
+{
+ ReleaseFile = That->MetaIndexFile("InRelease");
+ bool releaseExists = false;
+ if (FileExists(ReleaseFile) == true)
+ releaseExists = true;
+ else
+ {
+ ReleaseFile = That->MetaIndexFile("Release");
+ if (FileExists(ReleaseFile))
+ releaseExists = true;
+ }
+ return releaseExists;
+}
+ /*}}}*/
+bool debReleaseIndex::Merge(pkgCacheGenerator &Gen,OpProgress * /*Prog*/) const/*{{{*/
+{
+ std::string ReleaseFile;
+ bool const releaseExists = ReleaseFileName(this, ReleaseFile);
+
+ ::URI Tmp(URI);
+ if (Gen.SelectReleaseFile(ReleaseFile, Tmp.Host) == false)
+ return _error->Error("Problem with SelectReleaseFile %s", ReleaseFile.c_str());
+
+ if (releaseExists == false)
+ return true;
+
+ FileFd Rel;
+ // Beware: The 'Release' file might be clearsigned in case the
+ // signature for an 'InRelease' file couldn't be checked
+ if (OpenMaybeClearSignedFile(ReleaseFile, Rel) == false)
+ return false;
+
+ // Store the IMS information
+ pkgCache::RlsFileIterator File = Gen.GetCurRlsFile();
+ pkgCacheGenerator::Dynamic<pkgCache::RlsFileIterator> DynFile(File);
+ // Rel can't be used as this is potentially a temporary file
+ struct stat Buf;
+ if (stat(ReleaseFile.c_str(), &Buf) != 0)
+ return _error->Errno("fstat", "Unable to stat file %s", ReleaseFile.c_str());
+ File->Size = Buf.st_size;
+ File->mtime = Buf.st_mtime;
+
+ pkgTagFile TagFile(&Rel, Rel.Size());
+ pkgTagSection Section;
+ if (Rel.IsOpen() == false || Rel.Failed() || TagFile.Step(Section) == false)
+ return false;
+
+ std::string data;
+ #define APT_INRELEASE(TYPE, TAG, STORE) \
+ data = Section.FindS(TAG); \
+ if (data.empty() == false) \
+ { \
+ map_stringitem_t const storage = Gen.StoreString(pkgCacheGenerator::TYPE, data); \
+ if (storage == 0) return false; \
+ STORE = storage; \
+ }
+ APT_INRELEASE(MIXED, "Suite", File->Archive)
+ APT_INRELEASE(VERSIONNUMBER, "Version", File->Version)
+ APT_INRELEASE(MIXED, "Origin", File->Origin)
+ APT_INRELEASE(MIXED, "Codename", File->Codename)
+ APT_INRELEASE(MIXED, "Label", File->Label)
+ #undef APT_INRELEASE
+ Section.FindFlag("NotAutomatic", File->Flags, pkgCache::Flag::NotAutomatic);
+ Section.FindFlag("ButAutomaticUpgrades", File->Flags, pkgCache::Flag::ButAutomaticUpgrades);
+ Section.FindFlag("Packages-Require-Authorization", File->Flags, pkgCache::Flag::PackagesRequireAuthorization);
+
+ return true;
+}
+ /*}}}*/
+// ReleaseIndex::FindInCache - Find this index /*{{{*/
+pkgCache::RlsFileIterator debReleaseIndex::FindInCache(pkgCache &Cache, bool const ModifyCheck) const
+{
+ std::string ReleaseFile;
+ bool const releaseExists = ReleaseFileName(this, ReleaseFile);
+
+ pkgCache::RlsFileIterator File = Cache.RlsFileBegin();
+ for (; File.end() == false; ++File)
+ {
+ if (File->FileName == 0 || ReleaseFile != File.FileName())
+ continue;
+
+ // empty means the file does not exist by "design"
+ if (ModifyCheck == false || (releaseExists == false && File->Size == 0))
+ return File;
+
+ struct stat St;
+ if (stat(File.FileName(),&St) != 0)
+ {
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "ReleaseIndex::FindInCache - stat failed on " << File.FileName() << std::endl;
+ return pkgCache::RlsFileIterator(Cache);
+ }
+ if ((unsigned)St.st_size != File->Size || St.st_mtime != File->mtime)
+ {
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "ReleaseIndex::FindInCache - size (" << St.st_size << " <> " << File->Size
+ << ") or mtime (" << St.st_mtime << " <> " << File->mtime
+ << ") doesn't match for " << File.FileName() << std::endl;
+ return pkgCache::RlsFileIterator(Cache);
+ }
+ return File;
+ }
+
+ return File;
+}
+ /*}}}*/
+
+class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type /*{{{*/
+{
+ static std::vector<std::string> getDefaultSetOf(std::string const &Name,
+ std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
+ {
+ auto const val = Options.find(Name);
+ if (val != Options.end())
+ return VectorizeString(val->second, ',');
+ return defaultValues;
+ }
+ static std::vector<std::string> applyPlusMinusOptions(std::string const &Name,
+ std::map<std::string, std::string> const &Options, std::vector<std::string> &&Values)
+ {
+ auto val = Options.find(Name + "+");
+ if (val != Options.end())
+ {
+ std::vector<std::string> const plus = VectorizeString(val->second, ',');
+ std::copy_if(plus.begin(), plus.end(), std::back_inserter(Values), [&Values](std::string const &v) {
+ return std::find(Values.begin(), Values.end(), v) == Values.end();
+ });
+ }
+ if ((val = Options.find(Name + "-")) != Options.end())
+ {
+ std::vector<std::string> const minus = VectorizeString(val->second, ',');
+ Values.erase(std::remove_if(Values.begin(), Values.end(), [&minus](std::string const &v) {
+ return std::find(minus.begin(), minus.end(), v) != minus.end();
+ }), Values.end());
+ }
+ return Values;
+ }
+ static std::vector<std::string> parsePlusMinusOptions(std::string const &Name,
+ std::map<std::string, std::string> const &Options, std::vector<std::string> const &defaultValues)
+ {
+ return applyPlusMinusOptions(Name, Options, getDefaultSetOf(Name, Options, defaultValues));
+ }
+ static std::vector<std::string> parsePlusMinusArchOptions(std::string const &Name,
+ std::map<std::string, std::string> const &Options)
+ {
+ auto Values = getDefaultSetOf(Name, Options, APT::Configuration::getArchitectures());
+ // all is a very special architecture users shouldn't be concerned with explicitly
+ // but if the user does, do not override the choice
+ auto const val = Options.find(Name + "-");
+ if (val != Options.end())
+ {
+ std::vector<std::string> const minus = VectorizeString(val->second, ',');
+ if (std::find(minus.begin(), minus.end(), "all") != minus.end())
+ return applyPlusMinusOptions(Name, Options, std::move(Values));
+ }
+ Values = applyPlusMinusOptions(Name, Options, std::move(Values));
+ if (std::find(Values.begin(), Values.end(), "all") == Values.end())
+ Values.push_back("implicit:all");
+ return Values;
+ }
+ static std::vector<std::string> parsePlusMinusTargetOptions(char const * const Name,
+ std::map<std::string, std::string> const &Options)
+ {
+ std::vector<std::string> const alltargets = _config->FindVector(std::string("Acquire::IndexTargets::") + Name, "", true);
+ std::vector<std::string> deftargets;
+ deftargets.reserve(alltargets.size());
+ std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(deftargets), [&](std::string const &t) {
+ std::string c = "Acquire::IndexTargets::";
+ c.append(Name).append("::").append(t).append("::DefaultEnabled");
+ return _config->FindB(c, true);
+ });
+ std::vector<std::string> mytargets = parsePlusMinusOptions("target", Options, deftargets);
+ for (auto const &target : alltargets)
+ {
+ std::map<std::string, std::string>::const_iterator const opt = Options.find(target);
+ if (opt == Options.end())
+ continue;
+ auto const idMatch = [&](std::string const &t) {
+ return target == _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + t + "::Identifier", t);
+ };
+ if (StringToBool(opt->second))
+ std::copy_if(alltargets.begin(), alltargets.end(), std::back_inserter(mytargets), idMatch);
+ else
+ mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), idMatch), mytargets.end());
+ }
+ // if we can't order it in a 1000 steps we give up… probably a cycle
+ for (auto i = 0; i < 1000; ++i)
+ {
+ bool Changed = false;
+ for (auto t = mytargets.begin(); t != mytargets.end(); ++t)
+ {
+ std::string const fallback = _config->Find(std::string("Acquire::IndexTargets::") + Name + "::" + *t + "::Fallback-Of");
+ if (fallback.empty())
+ continue;
+ auto const faller = std::find(mytargets.begin(), mytargets.end(), fallback);
+ if (faller == mytargets.end() || faller < t)
+ continue;
+ Changed = true;
+ auto const tv = *t;
+ mytargets.erase(t);
+ mytargets.emplace_back(tv);
+ break;
+ }
+ if (Changed == false)
+ break;
+ }
+ // remove duplicates without changing the order (in first appearance)
+ {
+ std::set<std::string> seenOnce;
+ mytargets.erase(std::remove_if(mytargets.begin(), mytargets.end(), [&](std::string const &t) {
+ return seenOnce.insert(t).second == false;
+ }), mytargets.end());
+ }
+ return mytargets;
+ }
+
+ metaIndex::TriState GetTriStateOption(std::map<std::string, std::string>const &Options, char const * const name) const
+ {
+ std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+ if (opt != Options.end())
+ return StringToBool(opt->second, false) ? metaIndex::TRI_YES : metaIndex::TRI_NO;
+ return metaIndex::TRI_DONTCARE;
+ }
+
+ static time_t GetTimeOption(std::map<std::string, std::string>const &Options, char const * const name)
+ {
+ std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+ if (opt == Options.end())
+ return 0;
+ return strtoull(opt->second.c_str(), NULL, 10);
+ }
+
+ static bool GetBoolOption(std::map<std::string, std::string> const &Options, char const * const name, bool const defVal)
+ {
+ std::map<std::string, std::string>::const_iterator const opt = Options.find(name);
+ if (opt == Options.end())
+ return defVal;
+ return StringToBool(opt->second, defVal);
+ }
+
+ static std::vector<std::string> GetMapKeys(std::map<std::string, std::string> const &Options)
+ {
+ std::vector<std::string> ret;
+ ret.reserve(Options.size());
+ for (auto &&O: Options)
+ ret.emplace_back(O.first);
+ std::sort(ret.begin(), ret.end());
+ return ret;
+ }
+
+ static bool MapsAreEqual(std::map<std::string, std::string> const &OptionsA,
+ std::map<std::string, std::string> const &OptionsB,
+ std::string const &URI, std::string const &Dist)
+ {
+ auto const KeysA = GetMapKeys(OptionsA);
+ auto const KeysB = GetMapKeys(OptionsB);
+ auto const m = std::mismatch(KeysA.begin(), KeysA.end(), KeysB.begin());
+ if (m.first != KeysA.end())
+ {
+ if (std::find(KeysB.begin(), KeysB.end(), *m.first) == KeysB.end())
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "<set>", "<unset>");
+ else
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "<set>", "<unset>");
+ }
+ if (m.second != KeysB.end())
+ {
+ if (std::find(KeysA.begin(), KeysA.end(), *m.second) == KeysA.end())
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.first->c_str(), "<set>", "<unset>");
+ else
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), m.second->c_str(), "<set>", "<unset>");
+ }
+ for (auto&& key: KeysA)
+ {
+ if (key == "BASE_URI" || key == "REPO_URI" || key == "SITE" || key == "RELEASE")
+ continue;
+ auto const a = OptionsA.find(key);
+ auto const b = OptionsB.find(key);
+ if (unlikely(a == OptionsA.end() || b == OptionsB.end()) || a->second != b->second)
+ return _error->Error(_("Conflicting values set for option %s regarding source %s %s"), key.c_str(), URI.c_str(), Dist.c_str());
+ }
+ return true;
+ }
+
+ static debReleaseIndex * GetDebReleaseIndexBy(std::vector<metaIndex *> &List, std::string const &URI,
+ std::string const &Dist, std::map<std::string, std::string> const &Options)
+ {
+ std::map<std::string, std::string> ReleaseOptions{{
+ {"BASE_URI", constructMetaIndexURI(URI, Dist, "")},
+ {"REPO_URI", URI},
+ {"SITE", ::URI::ArchiveOnly(URI)},
+ {"RELEASE", (Dist == "/") ? "" : Dist},
+ }};
+ if (GetBoolOption(Options, "allow-insecure", _config->FindB("Acquire::AllowInsecureRepositories")))
+ ReleaseOptions.emplace("ALLOW_INSECURE", "true");
+ if (GetBoolOption(Options, "allow-weak", _config->FindB("Acquire::AllowWeakRepositories")))
+ ReleaseOptions.emplace("ALLOW_WEAK", "true");
+ if (GetBoolOption(Options, "allow-downgrade-to-insecure", _config->FindB("Acquire::AllowDowngradeToInsecureRepositories")))
+ ReleaseOptions.emplace("ALLOW_DOWNGRADE_TO_INSECURE", "true");
+
+ auto InReleasePath = Options.find("inrelease-path");
+ if (InReleasePath != Options.end())
+ ReleaseOptions.emplace("INRELEASE_PATH", InReleasePath->second);
+
+ debReleaseIndex * Deb = nullptr;
+ std::string const FileName = URItoFileName(constructMetaIndexURI(URI, Dist, "Release"));
+ for (auto const &I: List)
+ {
+ // We only worry about debian entries here
+ if (strcmp(I->GetType(), "deb") != 0)
+ continue;
+
+ auto const D = dynamic_cast<debReleaseIndex*>(I);
+ if (unlikely(D == nullptr))
+ continue;
+
+ /* This check ensures that there will be only one Release file
+ queued for all the Packages files and Sources files it
+ corresponds to. */
+ if (URItoFileName(D->MetaIndexURI("Release")) == FileName)
+ {
+ if (MapsAreEqual(ReleaseOptions, D->GetReleaseOptions(), URI, Dist) == false)
+ return nullptr;
+ Deb = D;
+ break;
+ }
+ }
+
+ // No currently created Release file indexes this entry, so we create a new one.
+ if (Deb == nullptr)
+ {
+ Deb = new debReleaseIndex(URI, Dist, ReleaseOptions);
+ List.push_back(Deb);
+ }
+ return Deb;
+ }
+
+ protected:
+
+ bool CreateItemInternal(std::vector<metaIndex *> &List, std::string const &URI,
+ std::string const &Dist, std::string const &Section,
+ bool const &IsSrc, std::map<std::string, std::string> const &Options) const
+ {
+ auto const Deb = GetDebReleaseIndexBy(List, URI, Dist, Options);
+ if (Deb == nullptr)
+ return false;
+
+ bool const UsePDiffs = GetBoolOption(Options, "pdiffs", _config->FindB("Acquire::PDiffs", true));
+
+ std::string UseByHash = _config->Find("APT::Acquire::By-Hash", "yes");
+ UseByHash = _config->Find("Acquire::By-Hash", UseByHash);
+ {
+ std::string const host = ::URI(URI).Host;
+ if (host.empty() == false)
+ {
+ UseByHash = _config->Find("APT::Acquire::" + host + "::By-Hash", UseByHash);
+ UseByHash = _config->Find("Acquire::" + host + "::By-Hash", UseByHash);
+ }
+ std::map<std::string, std::string>::const_iterator const opt = Options.find("by-hash");
+ if (opt != Options.end())
+ UseByHash = opt->second;
+ }
+
+ auto const entry = Options.find("sourceslist-entry");
+ Deb->AddComponent(
+ entry->second,
+ IsSrc,
+ Section,
+ parsePlusMinusTargetOptions(Name, Options),
+ parsePlusMinusArchOptions("arch", Options),
+ parsePlusMinusOptions("lang", Options, APT::Configuration::getLanguages(true)),
+ UsePDiffs,
+ UseByHash
+ );
+
+ if (Deb->SetTrusted(GetTriStateOption(Options, "trusted")) == false ||
+ Deb->SetCheckValidUntil(GetTriStateOption(Options, "check-valid-until")) == false ||
+ Deb->SetValidUntilMax(GetTimeOption(Options, "valid-until-max")) == false ||
+ Deb->SetValidUntilMin(GetTimeOption(Options, "valid-until-min")) == false ||
+ Deb->SetCheckDate(GetTriStateOption(Options, "check-date")) == false ||
+ Deb->SetDateMaxFuture(GetTimeOption(Options, "date-max-future")) == false)
+ return false;
+
+ std::map<std::string, std::string>::const_iterator const signedby = Options.find("signed-by");
+ if (signedby == Options.end())
+ {
+ bool alreadySet = false;
+ std::string filename;
+ if (ReleaseFileName(Deb, filename))
+ {
+ auto OldDeb = Deb->UnloadedClone();
+ _error->PushToStack();
+ OldDeb->Load(filename, nullptr);
+ bool const goodLoad = _error->PendingError() == false;
+ _error->RevertToStack();
+ if (goodLoad)
+ {
+ if (OldDeb->GetValidUntil() > 0)
+ {
+ time_t const invalid_since = time(NULL) - OldDeb->GetValidUntil();
+ if (invalid_since <= 0)
+ {
+ Deb->SetSignedBy(OldDeb->GetSignedBy());
+ alreadySet = true;
+ }
+ }
+ }
+ delete OldDeb;
+ }
+ if (alreadySet == false && Deb->SetSignedBy("") == false)
+ return false;
+ }
+ else
+ {
+ if (Deb->SetSignedBy(signedby->second) == false)
+ return false;
+ }
+
+ return true;
+ }
+
+ debSLTypeDebian(char const * const Name, char const * const Label) : Type(Name, Label)
+ {
+ }
+};
+ /*}}}*/
+class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian /*{{{*/
+{
+ public:
+
+ bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+ std::string const &Dist, std::string const &Section,
+ std::map<std::string, std::string> const &Options) const APT_OVERRIDE
+ {
+ return CreateItemInternal(List, URI, Dist, Section, false, Options);
+ }
+
+ debSLTypeDeb() : debSLTypeDebian("deb", "Debian binary tree")
+ {
+ }
+};
+ /*}}}*/
+class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian /*{{{*/
+{
+ public:
+
+ bool CreateItem(std::vector<metaIndex *> &List, std::string const &URI,
+ std::string const &Dist, std::string const &Section,
+ std::map<std::string, std::string> const &Options) const APT_OVERRIDE
+ {
+ return CreateItemInternal(List, URI, Dist, Section, true, Options);
+ }
+
+ debSLTypeDebSrc() : debSLTypeDebian("deb-src", "Debian source tree")
+ {
+ }
+};
+ /*}}}*/
+
+APT_HIDDEN debSLTypeDeb _apt_DebType;
+APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;
diff --git a/apt-pkg/deb/debmetaindex.h b/apt-pkg/deb/debmetaindex.h
new file mode 100644
index 0000000..864ac3e
--- /dev/null
+++ b/apt-pkg/deb/debmetaindex.h
@@ -0,0 +1,78 @@
+#ifndef PKGLIB_DEBMETAINDEX_H
+#define PKGLIB_DEBMETAINDEX_H
+
+#include <apt-pkg/macros.h>
+#include <apt-pkg/metaindex.h>
+
+#include <map>
+#include <string>
+#include <vector>
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/sourcelist.h>
+#endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/init.h>
+#endif
+
+class pkgAcquire;
+class pkgIndexFile;
+class IndexTarget;
+class pkgCacheGenerator;
+class OpProgress;
+class debReleaseIndexPrivate;
+
+class APT_HIDDEN debReleaseIndex : public metaIndex
+{
+ debReleaseIndexPrivate * const d;
+
+ APT_HIDDEN bool parseSumData(const char *&Start, const char *End, std::string &Name,
+ std::string &Hash, unsigned long long &Size);
+ public:
+
+ APT_HIDDEN std::string MetaIndexInfo(const char *Type) const;
+ APT_HIDDEN std::string MetaIndexFile(const char *Types) const;
+ APT_HIDDEN std::string MetaIndexURI(const char *Type) const;
+
+ debReleaseIndex(std::string const &URI, std::string const &Dist, std::map<std::string,std::string> const &Options);
+ debReleaseIndex(std::string const &URI, std::string const &Dist, bool const Trusted, std::map<std::string,std::string> const &Options);
+ virtual ~debReleaseIndex();
+
+ virtual std::string ArchiveURI(std::string const &File) const APT_OVERRIDE {return URI + File;};
+ virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) APT_OVERRIDE;
+ virtual std::vector<IndexTarget> GetIndexTargets() const APT_OVERRIDE;
+
+ virtual std::string Describe() const APT_OVERRIDE;
+ virtual pkgCache::RlsFileIterator FindInCache(pkgCache &Cache, bool const ModifyCheck) const APT_OVERRIDE;
+ virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const APT_OVERRIDE;
+
+ virtual bool Load(std::string const &Filename, std::string * const ErrorText) APT_OVERRIDE;
+ virtual metaIndex * UnloadedClone() const APT_OVERRIDE;
+
+ virtual std::vector <pkgIndexFile *> *GetIndexFiles() APT_OVERRIDE;
+
+ bool SetTrusted(TriState const Trusted);
+ bool SetCheckValidUntil(TriState const Trusted);
+ bool SetValidUntilMin(time_t const Valid);
+ bool SetValidUntilMax(time_t const Valid);
+ bool SetCheckDate(TriState const CheckDate);
+ bool SetDateMaxFuture(time_t const DateMaxFuture);
+ bool SetSignedBy(std::string const &SignedBy);
+ std::map<std::string, std::string> GetReleaseOptions();
+
+ virtual bool IsTrusted() const APT_OVERRIDE;
+ bool IsArchitectureSupported(std::string const &arch) const;
+ bool IsArchitectureAllSupportedFor(IndexTarget const &target) const;
+ bool HasSupportForComponent(std::string const &component) const;
+
+ APT_PURE time_t GetNotBefore() const;
+
+ void AddComponent(std::string const &sourcesEntry,
+ bool const isSrc, std::string const &Name,
+ std::vector<std::string> const &Targets,
+ std::vector<std::string> const &Architectures,
+ std::vector<std::string> Languages,
+ bool const usePDiffs, std::string const &useByHash);
+};
+
+#endif
diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
new file mode 100644
index 0000000..22ac219
--- /dev/null
+++ b/apt-pkg/deb/debrecords.cc
@@ -0,0 +1,227 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Package Records - Parser for debian package records
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/debrecords.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile.h>
+
+#include <algorithm>
+#include <sstream>
+#include <string>
+#include <vector>
+#include <langinfo.h>
+#include <string.h>
+
+#include <apti18n.h>
+ /*}}}*/
+
+using std::string;
+
+// RecordParser::debRecordParser - Constructor /*{{{*/
+debRecordParser::debRecordParser(string FileName,pkgCache &Cache) :
+ debRecordParserBase(), d(NULL), File(FileName, FileFd::ReadOnly, FileFd::Extension),
+ Tags(&File, std::max(Cache.Head().MaxVerFileSize, Cache.Head().MaxDescFileSize) + 200)
+{
+}
+ /*}}}*/
+// RecordParser::Jump - Jump to a specific record /*{{{*/
+bool debRecordParser::Jump(pkgCache::VerFileIterator const &Ver)
+{
+ if (Ver.end() == true)
+ return false;
+ return Tags.Jump(Section,Ver->Offset);
+}
+bool debRecordParser::Jump(pkgCache::DescFileIterator const &Desc)
+{
+ if (Desc.end() == true)
+ return false;
+ return Tags.Jump(Section,Desc->Offset);
+}
+ /*}}}*/
+debRecordParser::~debRecordParser() {}
+
+debRecordParserBase::debRecordParserBase() : Parser(), d(NULL) {}
+// RecordParserBase::FileName - Return the archive filename on the site /*{{{*/
+string debRecordParserBase::FileName()
+{
+ return Section.FindS("Filename");
+}
+ /*}}}*/
+// RecordParserBase::Name - Return the package name /*{{{*/
+string debRecordParserBase::Name()
+{
+ string Result = Section.FindS("Package");
+
+ // Normalize mixed case package names to lower case, like dpkg does
+ // See Bug#807012 for details
+ std::transform(Result.begin(), Result.end(), Result.begin(), tolower_ascii);
+
+ return Result;
+}
+ /*}}}*/
+// RecordParserBase::Homepage - Return the package homepage /*{{{*/
+string debRecordParserBase::Homepage()
+{
+ return Section.FindS("Homepage");
+}
+ /*}}}*/
+// RecordParserBase::Hashes - return the available archive hashes /*{{{*/
+HashStringList debRecordParserBase::Hashes() const
+{
+ HashStringList hashes;
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ {
+ std::string const hash = Section.FindS(*type);
+ if (hash.empty() == false)
+ hashes.push_back(HashString(*type, hash));
+ }
+ auto const size = Section.FindULL("Size", 0);
+ if (size != 0)
+ hashes.FileSize(size);
+ return hashes;
+}
+ /*}}}*/
+// RecordParserBase::Maintainer - Return the maintainer email /*{{{*/
+string debRecordParserBase::Maintainer()
+{
+ return Section.FindS("Maintainer");
+}
+ /*}}}*/
+// RecordParserBase::RecordField - Return the value of an arbitrary field /*{{*/
+string debRecordParserBase::RecordField(const char *fieldName)
+{
+ return Section.FindS(fieldName);
+}
+ /*}}}*/
+// RecordParserBase::ShortDesc - Return a 1 line description /*{{{*/
+string debRecordParserBase::ShortDesc(std::string const &lang)
+{
+ string const Res = LongDesc(lang);
+ if (Res.empty() == true)
+ return "";
+ string::size_type const Pos = Res.find('\n');
+ if (Pos == string::npos)
+ return Res;
+ return string(Res,0,Pos);
+}
+ /*}}}*/
+// RecordParserBase::LongDesc - Return a longer description /*{{{*/
+string debRecordParserBase::LongDesc(std::string const &lang)
+{
+ string orig;
+ if (lang.empty() == true)
+ {
+ std::vector<string> const lang = APT::Configuration::getLanguages();
+ for (std::vector<string>::const_iterator l = lang.begin();
+ l != lang.end(); ++l)
+ {
+ std::string const tagname = "Description-" + *l;
+ orig = Section.FindS(tagname.c_str());
+ if (orig.empty() == false)
+ break;
+ else if (*l == "en")
+ {
+ orig = Section.FindS("Description");
+ if (orig.empty() == false)
+ break;
+ }
+ }
+ if (orig.empty() == true)
+ orig = Section.FindS("Description");
+ }
+ else
+ {
+ std::string const tagname = "Description-" + lang;
+ orig = Section.FindS(tagname.c_str());
+ if (orig.empty() == true && lang == "en")
+ orig = Section.FindS("Description");
+ }
+
+ char const * const codeset = nl_langinfo(CODESET);
+ if (strcmp(codeset,"UTF-8") != 0) {
+ string dest;
+ UTF8ToCodeset(codeset, orig, &dest);
+ return dest;
+ }
+
+ return orig;
+}
+ /*}}}*/
+
+static const char * const SourceVerSeparators = " ()";
+// RecordParserBase::SourcePkg - Return the source package name if any /*{{{*/
+string debRecordParserBase::SourcePkg()
+{
+ string Res = Section.FindS("Source");
+ string::size_type Pos = Res.find_first_of(SourceVerSeparators);
+ if (Pos == string::npos)
+ return Res;
+ return string(Res,0,Pos);
+}
+ /*}}}*/
+// RecordParserBase::SourceVer - Return the source version number if present /*{{{*/
+string debRecordParserBase::SourceVer()
+{
+ string Pkg = Section.FindS("Source");
+ string::size_type Pos = Pkg.find_first_of(SourceVerSeparators);
+ if (Pos == string::npos)
+ return "";
+
+ string::size_type VerStart = Pkg.find_first_not_of(SourceVerSeparators, Pos);
+ if(VerStart == string::npos)
+ return "";
+
+ string::size_type VerEnd = Pkg.find_first_of(SourceVerSeparators, VerStart);
+ if(VerEnd == string::npos)
+ // Corresponds to the case of, e.g., "foo (1.2" without a closing
+ // paren. Be liberal and guess what it means.
+ return string(Pkg, VerStart);
+ else
+ return string(Pkg, VerStart, VerEnd - VerStart);
+}
+ /*}}}*/
+// RecordParserBase::GetRec - Return the whole record /*{{{*/
+void debRecordParserBase::GetRec(const char *&Start,const char *&Stop)
+{
+ Section.GetSection(Start,Stop);
+}
+ /*}}}*/
+debRecordParserBase::~debRecordParserBase() {}
+
+bool debDebFileRecordParser::LoadContent()
+{
+ // load content only once
+ if (controlContent.empty() == false)
+ return true;
+
+ std::ostringstream content;
+ if (debDebPkgFileIndex::GetContent(content, debFileName) == false)
+ return false;
+ // add two newlines to make sure the scanner finds the section,
+ // which is usually done by pkgTagFile automatically if needed.
+ content << "\n\n";
+
+ controlContent = content.str();
+ if (Section.Scan(controlContent.c_str(), controlContent.length()) == false)
+ return _error->Error(_("Unable to parse package file %s (%d)"), debFileName.c_str(), 3);
+ return true;
+}
+bool debDebFileRecordParser::Jump(pkgCache::VerFileIterator const &) { return LoadContent(); }
+bool debDebFileRecordParser::Jump(pkgCache::DescFileIterator const &) { return LoadContent(); }
+std::string debDebFileRecordParser::FileName() { return debFileName; }
+
+debDebFileRecordParser::debDebFileRecordParser(std::string FileName) : debRecordParserBase(), d(NULL), debFileName(FileName) {}
+debDebFileRecordParser::~debDebFileRecordParser() {}
diff --git a/apt-pkg/deb/debrecords.h b/apt-pkg/deb/debrecords.h
new file mode 100644
index 0000000..7c3b902
--- /dev/null
+++ b/apt-pkg/deb/debrecords.h
@@ -0,0 +1,92 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Package Records - Parser for debian package records
+
+ This provides display-type parsing for the Packages file. This is
+ different than the list parser which provides cache generation
+ services. There should be no overlap between these two.
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBRECORDS_H
+#define PKGLIB_DEBRECORDS_H
+
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/tagfile.h>
+
+#include <string>
+
+#ifndef APT_8_CLEANER_HEADERS
+#include <apt-pkg/indexfile.h>
+#endif
+
+class APT_HIDDEN debRecordParserBase : public pkgRecords::Parser
+{
+ void * const d;
+ protected:
+ pkgTagSection Section;
+
+ public:
+ // These refer to the archive file for the Version
+ virtual std::string FileName() APT_OVERRIDE;
+ virtual std::string SourcePkg() APT_OVERRIDE;
+ virtual std::string SourceVer() APT_OVERRIDE;
+
+ virtual HashStringList Hashes() const APT_OVERRIDE;
+
+ // These are some general stats about the package
+ virtual std::string Maintainer() APT_OVERRIDE;
+ virtual std::string ShortDesc(std::string const &lang) APT_OVERRIDE;
+ virtual std::string LongDesc(std::string const &lang) APT_OVERRIDE;
+ virtual std::string Name() APT_OVERRIDE;
+ virtual std::string Homepage() APT_OVERRIDE;
+
+ // An arbitrary custom field
+ virtual std::string RecordField(const char *fieldName) APT_OVERRIDE;
+
+ virtual void GetRec(const char *&Start,const char *&Stop) APT_OVERRIDE;
+
+ debRecordParserBase();
+ virtual ~debRecordParserBase();
+};
+
+class APT_HIDDEN debRecordParser : public debRecordParserBase
+{
+ void * const d;
+ protected:
+ FileFd File;
+ pkgTagFile Tags;
+
+ virtual bool Jump(pkgCache::VerFileIterator const &Ver) APT_OVERRIDE;
+ virtual bool Jump(pkgCache::DescFileIterator const &Desc) APT_OVERRIDE;
+
+ public:
+ debRecordParser(std::string FileName,pkgCache &Cache);
+ virtual ~debRecordParser();
+};
+
+// custom record parser that reads deb files directly
+class APT_HIDDEN debDebFileRecordParser : public debRecordParserBase
+{
+ void * const d;
+ std::string debFileName;
+ std::string controlContent;
+
+ APT_HIDDEN bool LoadContent();
+ protected:
+ // single file files, so no jumping whatsoever
+ bool Jump(pkgCache::VerFileIterator const &) APT_OVERRIDE;
+ bool Jump(pkgCache::DescFileIterator const &) APT_OVERRIDE;
+
+ public:
+ virtual std::string FileName() APT_OVERRIDE;
+
+ debDebFileRecordParser(std::string FileName);
+ virtual ~debDebFileRecordParser();
+};
+
+#endif
diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
new file mode 100644
index 0000000..9656fca
--- /dev/null
+++ b/apt-pkg/deb/debsrcrecords.cc
@@ -0,0 +1,324 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Source Package Records - Parser implementation for Debian style
+ source indexes
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/debsrcrecords.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/gpgv.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/tagfile-keys.h>
+#include <apt-pkg/tagfile.h>
+
+#include <algorithm>
+#include <string>
+#include <vector>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+ /*}}}*/
+
+using std::max;
+using std::string;
+
+debSrcRecordParser::debSrcRecordParser(std::string const &File,pkgIndexFile const *Index)
+ : Parser(Index), d(NULL), Tags(&Fd), iOffset(0), Buffer(NULL)
+{
+ if (File.empty() == false)
+ {
+ if (Fd.Open(File, FileFd::ReadOnly, FileFd::Extension))
+ Tags.Init(&Fd, 102400);
+ }
+}
+std::string debSrcRecordParser::Package() const /*{{{*/
+{
+ auto const name = Sect.Find(pkgTagSection::Key::Package);
+ if (iIndex != nullptr || name.empty() == false)
+ return name.to_string();
+ return Sect.Find(pkgTagSection::Key::Source).to_string();
+}
+ /*}}}*/
+// SrcRecordParser::Binaries - Return the binaries field /*{{{*/
+// ---------------------------------------------------------------------
+/* This member parses the binaries field into a pair of class arrays and
+ returns a list of strings representing all of the components of the
+ binaries field. The returned array need not be freed and will be
+ reused by the next Binaries function call. This function is commonly
+ used during scanning to find the right package */
+const char **debSrcRecordParser::Binaries()
+{
+ const char *Start, *End;
+ if (Sect.Find(pkgTagSection::Key::Binary, Start, End) == false)
+ return NULL;
+ for (; isspace_ascii(*Start) != 0; ++Start);
+ if (Start >= End)
+ return NULL;
+
+ StaticBinList.clear();
+ free(Buffer);
+ Buffer = strndup(Start, End - Start);
+
+ char* bin = Buffer;
+ do {
+ char* binStartNext = strchrnul(bin, ',');
+ // Found a comma, clean up any space before it
+ if (binStartNext > Buffer) {
+ char* binEnd = binStartNext - 1;
+ for (; binEnd > Buffer && isspace_ascii(*binEnd) != 0; --binEnd)
+ *binEnd = 0;
+ }
+ StaticBinList.push_back(bin);
+ if (*binStartNext != ',')
+ break;
+ *binStartNext = '\0';
+ for (bin = binStartNext + 1; isspace_ascii(*bin) != 0; ++bin)
+ ;
+ } while (*bin != '\0');
+ StaticBinList.push_back(NULL);
+
+ return &StaticBinList[0];
+}
+ /*}}}*/
+// SrcRecordParser::BuildDepends - Return the Build-Depends information /*{{{*/
+// ---------------------------------------------------------------------
+/* This member parses the build-depends information and returns a list of
+ package/version records representing the build dependency. The returned
+ array need not be freed and will be reused by the next call to this
+ function */
+bool debSrcRecordParser::BuildDepends(std::vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps,
+ bool const &ArchOnly, bool const &StripMultiArch)
+{
+ BuildDeps.clear();
+
+ pkgTagSection::Key const fields[] = {
+ pkgTagSection::Key::Build_Depends,
+ pkgTagSection::Key::Build_Depends_Indep,
+ pkgTagSection::Key::Build_Conflicts,
+ pkgTagSection::Key::Build_Conflicts_Indep,
+ pkgTagSection::Key::Build_Depends_Arch,
+ pkgTagSection::Key::Build_Conflicts_Arch,
+ };
+ for (unsigned short I = 0; I < sizeof(fields) / sizeof(fields[0]); ++I)
+ {
+ if (ArchOnly && (fields[I] == pkgTagSection::Key::Build_Depends_Indep || fields[I] == pkgTagSection::Key::Build_Conflicts_Indep))
+ continue;
+
+ const char *Start, *Stop;
+ if (Sect.Find(fields[I], Start, Stop) == false)
+ continue;
+
+ if (Start == Stop)
+ continue;
+
+ while (1)
+ {
+ BuildDepRec rec;
+ Start = debListParser::ParseDepends(Start, Stop,
+ rec.Package, rec.Version, rec.Op, true, StripMultiArch, true);
+
+ if (Start == 0)
+ return _error->Error("Problem parsing dependency: %s", BuildDepType(I));
+ rec.Type = I;
+
+ // We parsed a package that was ignored (wrong architecture restriction
+ // or something).
+ if (rec.Package.empty())
+ {
+ // If we are in an OR group, we need to set the "Or" flag of the
+ // previous entry to our value.
+ if (BuildDeps.empty() == false && (BuildDeps[BuildDeps.size() - 1].Op & pkgCache::Dep::Or) == pkgCache::Dep::Or)
+ {
+ BuildDeps[BuildDeps.size() - 1].Op &= ~pkgCache::Dep::Or;
+ BuildDeps[BuildDeps.size() - 1].Op |= (rec.Op & pkgCache::Dep::Or);
+ }
+ } else {
+ BuildDeps.emplace_back(std::move(rec));
+ }
+
+ if (Start == Stop)
+ break;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// SrcRecordParser::Files - Return a list of files for this source /*{{{*/
+// ---------------------------------------------------------------------
+/* This parses the list of files and returns it, each file is required to have
+ a complete source package */
+bool debSrcRecordParser::Files(std::vector<pkgSrcRecords::File> &F)
+{
+ std::vector<pkgSrcRecords::File2> F2;
+ if (Files2(F2) == false)
+ return false;
+ for (std::vector<pkgSrcRecords::File2>::const_iterator f2 = F2.begin(); f2 != F2.end(); ++f2)
+ {
+ pkgSrcRecords::File2 f;
+#if __GNUC__ >= 4
+ #pragma GCC diagnostic push
+ #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+ f.MD5Hash = f2->MD5Hash;
+ f.Size = f2->Size;
+#if __GNUC__ >= 4
+ #pragma GCC diagnostic pop
+#endif
+ f.Path = f2->Path;
+ f.Type = f2->Type;
+ F.push_back(f);
+ }
+ return true;
+}
+bool debSrcRecordParser::Files2(std::vector<pkgSrcRecords::File2> &List)
+{
+ List.clear();
+
+ // Stash the / terminated directory prefix
+ std::string Base = Sect.Find(pkgTagSection::Key::Directory).to_string();
+ if (Base.empty() == false && Base[Base.length()-1] != '/')
+ Base += '/';
+
+ std::vector<std::string> const compExts = APT::Configuration::getCompressorExtensions();
+
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ {
+ // derive field from checksum type
+ std::string checksumField("Checksums-");
+ if (strcmp(*type, "MD5Sum") == 0)
+ checksumField = "Files"; // historic name for MD5 checksums
+ else
+ checksumField.append(*type);
+
+ string const Files = Sect.FindS(checksumField.c_str());
+ if (Files.empty() == true)
+ continue;
+
+ // Iterate over the entire list grabbing each triplet
+ const char *C = Files.c_str();
+ while (*C != 0)
+ {
+ string hash, size, path;
+
+ // Parse each of the elements
+ if (ParseQuoteWord(C, hash) == false ||
+ ParseQuoteWord(C, size) == false ||
+ ParseQuoteWord(C, path) == false)
+ return _error->Error("Error parsing file record in %s of source package %s", checksumField.c_str(), Package().c_str());
+
+ if (iIndex == nullptr && checksumField == "Files")
+ {
+ // the Files field has a different format than the rest in deb-changes files
+ std::string ignore;
+ if (ParseQuoteWord(C, ignore) == false ||
+ ParseQuoteWord(C, path) == false)
+ return _error->Error("Error parsing file record in %s of source package %s", checksumField.c_str(), Package().c_str());
+ }
+
+ HashString const hashString(*type, hash);
+ if (Base.empty() == false)
+ path = Base + path;
+
+ // look if we have a record for this file already
+ std::vector<pkgSrcRecords::File2>::iterator file = List.begin();
+ for (; file != List.end(); ++file)
+ if (file->Path == path)
+ break;
+
+ // we have it already, store the new hash and be done
+ if (file != List.end())
+ {
+ if (checksumField == "Files")
+ {
+ APT_IGNORE_DEPRECATED_PUSH
+ file->MD5Hash = hash;
+ APT_IGNORE_DEPRECATED_POP
+ }
+ // an error here indicates that we have two different hashes for the same file
+ if (file->Hashes.push_back(hashString) == false)
+ return _error->Error("Error parsing checksum in %s of source package %s", checksumField.c_str(), Package().c_str());
+ continue;
+ }
+
+ // we haven't seen this file yet
+ pkgSrcRecords::File2 F;
+ F.Path = path;
+ F.FileSize = strtoull(size.c_str(), NULL, 10);
+ F.Hashes.push_back(hashString);
+ F.Hashes.FileSize(F.FileSize);
+
+ APT_IGNORE_DEPRECATED_PUSH
+ F.Size = F.FileSize;
+ if (checksumField == "Files")
+ F.MD5Hash = hash;
+ APT_IGNORE_DEPRECATED_POP
+
+ // Try to guess what sort of file it is we are getting.
+ string::size_type Pos = F.Path.length()-1;
+ while (1)
+ {
+ string::size_type Tmp = F.Path.rfind('.',Pos);
+ if (Tmp == string::npos)
+ break;
+ if (F.Type == "tar") {
+ // source v3 has extension 'debian.tar.*' instead of 'diff.*'
+ if (string(F.Path, Tmp+1, Pos-Tmp) == "debian")
+ F.Type = "diff";
+ break;
+ }
+ F.Type = string(F.Path,Tmp+1,Pos-Tmp);
+
+ if (std::find(compExts.begin(), compExts.end(), std::string(".").append(F.Type)) != compExts.end() ||
+ F.Type == "tar")
+ {
+ Pos = Tmp-1;
+ continue;
+ }
+
+ break;
+ }
+ List.push_back(F);
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// SrcRecordParser::~SrcRecordParser - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+debSrcRecordParser::~debSrcRecordParser()
+{
+ // was allocated via strndup()
+ free(Buffer);
+}
+ /*}}}*/
+
+
+debDscRecordParser::debDscRecordParser(std::string const &DscFile, pkgIndexFile const *Index)
+ : debSrcRecordParser("", Index)
+{
+ // support clear signed files
+ if (OpenMaybeClearSignedFile(DscFile, Fd) == false)
+ {
+ _error->Error("Failed to open %s", DscFile.c_str());
+ return;
+ }
+
+ // re-init to ensure the updated Fd is used
+ Tags.Init(&Fd, pkgTagFile::SUPPORT_COMMENTS);
+ // read the first (and only) record
+ Step();
+
+}
diff --git a/apt-pkg/deb/debsrcrecords.h b/apt-pkg/deb/debsrcrecords.h
new file mode 100644
index 0000000..45617f6
--- /dev/null
+++ b/apt-pkg/deb/debsrcrecords.h
@@ -0,0 +1,68 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Source Package Records - Parser implementation for Debian style
+ source indexes
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBSRCRECORDS_H
+#define PKGLIB_DEBSRCRECORDS_H
+
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/tagfile.h>
+
+#include <string>
+#include <vector>
+#include <stddef.h>
+
+class pkgIndexFile;
+
+class APT_HIDDEN debSrcRecordParser : public pkgSrcRecords::Parser
+{
+ /** \brief dpointer placeholder (for later in case we need it) */
+ void * const d;
+
+ protected:
+ FileFd Fd;
+ pkgTagFile Tags;
+ pkgTagSection Sect;
+ std::vector<const char*> StaticBinList;
+ unsigned long iOffset;
+ char *Buffer;
+
+ public:
+
+ virtual bool Restart() APT_OVERRIDE {return Jump(0);};
+ virtual bool Step() APT_OVERRIDE {iOffset = Tags.Offset(); return Tags.Step(Sect);};
+ virtual bool Jump(unsigned long const &Off) APT_OVERRIDE {iOffset = Off; return Tags.Jump(Sect,Off);};
+
+ virtual std::string Package() const APT_OVERRIDE;
+ virtual std::string Version() const APT_OVERRIDE {return Sect.FindS("Version");};
+ virtual std::string Maintainer() const APT_OVERRIDE {return Sect.FindS("Maintainer");};
+ virtual std::string Section() const APT_OVERRIDE {return Sect.FindS("Section");};
+ virtual const char **Binaries() APT_OVERRIDE;
+ virtual bool BuildDepends(std::vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true) APT_OVERRIDE;
+ virtual unsigned long Offset() APT_OVERRIDE {return iOffset;};
+ virtual std::string AsStr() APT_OVERRIDE
+ {
+ const char *Start=0,*Stop=0;
+ Sect.GetSection(Start,Stop);
+ return std::string(Start,Stop);
+ };
+ virtual bool Files(std::vector<pkgSrcRecords::File> &F) APT_OVERRIDE;
+ bool Files2(std::vector<pkgSrcRecords::File2> &F);
+
+ debSrcRecordParser(std::string const &File,pkgIndexFile const *Index);
+ virtual ~debSrcRecordParser();
+};
+
+class APT_HIDDEN debDscRecordParser : public debSrcRecordParser
+{
+ public:
+ debDscRecordParser(std::string const &DscFile, pkgIndexFile const *Index);
+};
+
+#endif
diff --git a/apt-pkg/deb/debsystem.cc b/apt-pkg/deb/debsystem.cc
new file mode 100644
index 0000000..0c7e9ff
--- /dev/null
+++ b/apt-pkg/deb/debsystem.cc
@@ -0,0 +1,485 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ System - Abstraction for running on different systems.
+
+ Basic general structure..
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/debsystem.h>
+#include <apt-pkg/debversion.h>
+#include <apt-pkg/dpkgpm.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <algorithm>
+
+#include <string>
+#include <vector>
+#include <ctype.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <apti18n.h>
+ /*}}}*/
+
+using std::string;
+
+debSystem debSys;
+
+class APT_HIDDEN debSystemPrivate {
+public:
+ debSystemPrivate() : FrontendLockFD(-1), LockFD(-1), LockCount(0), StatusFile(0)
+ {
+ }
+ // For locking support
+ int FrontendLockFD;
+ int LockFD;
+ unsigned LockCount;
+
+ debStatusIndex *StatusFile;
+};
+
+// System::debSystem - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+debSystem::debSystem() : pkgSystem("Debian dpkg interface", &debVS), d(new debSystemPrivate())
+{
+}
+ /*}}}*/
+// System::~debSystem - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+debSystem::~debSystem()
+{
+ delete d->StatusFile;
+ delete d;
+}
+ /*}}}*/
+// System::Lock - Get the lock /*{{{*/
+// ---------------------------------------------------------------------
+/* This mirrors the operations dpkg does when it starts up. Note the
+ checking of the updates directory. */
+bool debSystem::Lock()
+{
+ // Disable file locking
+ if (_config->FindB("Debug::NoLocking",false) == true || d->LockCount > 0)
+ {
+ d->LockCount++;
+ return true;
+ }
+
+ // Create the lockfile
+ string AdminDir = flNotFile(_config->FindFile("Dir::State::status"));
+ string FrontendLockFile = AdminDir + "lock-frontend";
+ d->FrontendLockFD = GetLock(FrontendLockFile);
+ if (d->FrontendLockFD == -1)
+ {
+ if (errno == EACCES || errno == EAGAIN)
+ return _error->Error(_("Unable to acquire the dpkg frontend lock (%s), "
+ "is another process using it?"),FrontendLockFile.c_str());
+ else
+ return _error->Error(_("Unable to acquire the dpkg frontend lock (%s), "
+ "are you root?"),FrontendLockFile.c_str());
+ }
+ if (LockInner() == false)
+ {
+ close(d->FrontendLockFD);
+ return false;
+ }
+
+ // See if we need to abort with a dirty journal
+ if (CheckUpdates() == true)
+ {
+ close(d->LockFD);
+ close(d->FrontendLockFD);
+ d->FrontendLockFD = -1;
+ d->LockFD = -1;
+ const char *cmd;
+ if (getenv("SUDO_USER") != NULL)
+ cmd = "sudo dpkg --configure -a";
+ else
+ cmd = "dpkg --configure -a";
+ // TRANSLATORS: the %s contains the recovery command, usually
+ // dpkg --configure -a
+ return _error->Error(_("dpkg was interrupted, you must manually "
+ "run '%s' to correct the problem. "), cmd);
+ }
+
+ d->LockCount++;
+
+ return true;
+}
+
+bool debSystem::LockInner() {
+ string AdminDir = flNotFile(_config->FindFile("Dir::State::status"));
+ d->LockFD = GetLock(AdminDir + "lock");
+ if (d->LockFD == -1)
+ {
+ if (errno == EACCES || errno == EAGAIN)
+ return _error->Error(_("Unable to lock the administration directory (%s), "
+ "is another process using it?"),AdminDir.c_str());
+ else
+ return _error->Error(_("Unable to lock the administration directory (%s), "
+ "are you root?"),AdminDir.c_str());
+ }
+ return true;
+}
+ /*}}}*/
+// System::UnLock - Drop a lock /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debSystem::UnLock(bool NoErrors)
+{
+ if (d->LockCount == 0 && NoErrors == true)
+ return false;
+
+ if (d->LockCount < 1)
+ return _error->Error(_("Not locked"));
+ if (--d->LockCount == 0)
+ {
+ close(d->LockFD);
+ close(d->FrontendLockFD);
+ d->LockCount = 0;
+ }
+
+ return true;
+}
+bool debSystem::UnLockInner(bool NoErrors) {
+ (void) NoErrors;
+ close(d->LockFD);
+ return true;
+}
+ /*}}}*/
+// System::IsLocked - Check if system is locked /*{{{*/
+// ---------------------------------------------------------------------
+/* This checks if the frontend lock is hold. The inner lock might be
+ * released. */
+bool debSystem::IsLocked()
+{
+ return d->LockCount > 0;
+}
+ /*}}}*/
+// System::CheckUpdates - Check if the updates dir is dirty /*{{{*/
+// ---------------------------------------------------------------------
+/* This does a check of the updates directory (dpkg journal) to see if it has
+ any entries in it. */
+bool debSystem::CheckUpdates()
+{
+ // Check for updates.. (dirty)
+ string File = flNotFile(_config->FindFile("Dir::State::status")) + "updates/";
+ DIR *DirP = opendir(File.c_str());
+ if (DirP == 0)
+ return false;
+
+ /* We ignore any files that are not all digits, this skips .,.. and
+ some tmp files dpkg will leave behind.. */
+ bool Damaged = false;
+ for (struct dirent *Ent = readdir(DirP); Ent != 0; Ent = readdir(DirP))
+ {
+ Damaged = true;
+ for (unsigned int I = 0; Ent->d_name[I] != 0; I++)
+ {
+ // Check if its not a digit..
+ if (isdigit(Ent->d_name[I]) == 0)
+ {
+ Damaged = false;
+ break;
+ }
+ }
+ if (Damaged == true)
+ break;
+ }
+ closedir(DirP);
+
+ return Damaged;
+}
+ /*}}}*/
+// System::CreatePM - Create the underlying package manager /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgPackageManager *debSystem::CreatePM(pkgDepCache *Cache) const
+{
+ return new pkgDPkgPM(Cache);
+}
+ /*}}}*/
+// System::Initialize - Setup the configuration space.. /*{{{*/
+// ---------------------------------------------------------------------
+/* These are the Debian specific configuration variables.. */
+static std::string getDpkgStatusLocation(Configuration const &Cnf) {
+ Configuration PathCnf;
+ PathCnf.Set("Dir", Cnf.Find("Dir", "/"));
+ PathCnf.Set("Dir::State::status", "status");
+ auto const cnfstatedir = Cnf.Find("Dir::State", STATE_DIR + 1);
+ // if the state dir ends in apt, replace it with dpkg -
+ // for the default this gives us the same as the fallback below.
+ // This can't be a ../dpkg as that would play bad with symlinks
+ std::string statedir;
+ if (APT::String::Endswith(cnfstatedir, "/apt/"))
+ statedir.assign(cnfstatedir, 0, cnfstatedir.length() - 5);
+ else if (APT::String::Endswith(cnfstatedir, "/apt"))
+ statedir.assign(cnfstatedir, 0, cnfstatedir.length() - 4);
+ if (statedir.empty())
+ PathCnf.Set("Dir::State", "var/lib/dpkg");
+ else
+ PathCnf.Set("Dir::State", flCombine(statedir, "dpkg"));
+ return PathCnf.FindFile("Dir::State::status");
+}
+bool debSystem::Initialize(Configuration &Cnf)
+{
+ /* These really should be jammed into a generic 'Local Database' engine
+ which is yet to be determined. The functions in pkgcachegen should
+ be the only users of these */
+ Cnf.CndSet("Dir::State::extended_states", "extended_states");
+ if (Cnf.Exists("Dir::State::status") == false)
+ Cnf.Set("Dir::State::status", getDpkgStatusLocation(Cnf));
+ Cnf.CndSet("Dir::Bin::dpkg",BIN_DIR"/dpkg");
+
+ if (d->StatusFile) {
+ delete d->StatusFile;
+ d->StatusFile = 0;
+ }
+
+ return true;
+}
+ /*}}}*/
+// System::ArchiveSupported - Is a file format supported /*{{{*/
+// ---------------------------------------------------------------------
+/* The standard name for a deb is 'deb'.. There are no separate versions
+ of .deb to worry about.. */
+APT_PURE bool debSystem::ArchiveSupported(const char *Type)
+{
+ if (strcmp(Type,"deb") == 0)
+ return true;
+ return false;
+}
+ /*}}}*/
+// System::Score - Determine how 'Debiany' this sys is.. /*{{{*/
+// ---------------------------------------------------------------------
+/* We check some files that are sure tell signs of this being a Debian
+ System.. */
+signed debSystem::Score(Configuration const &Cnf)
+{
+ signed Score = 0;
+ if (FileExists(Cnf.FindFile("Dir::State::status",getDpkgStatusLocation(Cnf).c_str())) == true)
+ Score += 10;
+ if (FileExists(Cnf.Find("Dir::Bin::dpkg",BIN_DIR"/dpkg")) == true)
+ Score += 10;
+ if (FileExists("/etc/debian_version") == true)
+ Score += 10;
+ return Score;
+}
+ /*}}}*/
+// System::AddStatusFiles - Register the status files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debSystem::AddStatusFiles(std::vector<pkgIndexFile *> &List)
+{
+ if (d->StatusFile == 0)
+ d->StatusFile = new debStatusIndex(_config->FindFile("Dir::State::status"));
+ List.push_back(d->StatusFile);
+ return true;
+}
+ /*}}}*/
+// System::FindIndex - Get an index file for status files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debSystem::FindIndex(pkgCache::PkgFileIterator File,
+ pkgIndexFile *&Found) const
+{
+ if (d->StatusFile == 0)
+ return false;
+ if (d->StatusFile->FindInCache(*File.Cache()) == File)
+ {
+ Found = d->StatusFile;
+ return true;
+ }
+
+ return false;
+}
+ /*}}}*/
+
+std::string debSystem::GetDpkgExecutable() /*{{{*/
+{
+ string Tmp = _config->Find("Dir::Bin::dpkg","dpkg");
+ string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/");
+ size_t dpkgChrootLen = dpkgChrootDir.length();
+ if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0)
+ {
+ if (dpkgChrootDir[dpkgChrootLen - 1] == '/')
+ --dpkgChrootLen;
+ Tmp = Tmp.substr(dpkgChrootLen);
+ }
+ return Tmp;
+}
+ /*}}}*/
+std::vector<std::string> debSystem::GetDpkgBaseCommand() /*{{{*/
+{
+ // Generate the base argument list for dpkg
+ std::vector<std::string> Args = { GetDpkgExecutable() };
+ // Stick in any custom dpkg options
+ Configuration::Item const *Opts = _config->Tree("DPkg::Options");
+ if (Opts != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ Args.push_back(Opts->Value);
+ }
+ }
+ return Args;
+}
+ /*}}}*/
+void debSystem::DpkgChrootDirectory() /*{{{*/
+{
+ std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
+ if (chrootDir == "/")
+ return;
+ std::cerr << "Chrooting into " << chrootDir << std::endl;
+ if (chroot(chrootDir.c_str()) != 0)
+ _exit(100);
+ if (chdir("/") != 0)
+ _exit(100);
+}
+ /*}}}*/
+pid_t debSystem::ExecDpkg(std::vector<std::string> const &sArgs, int * const inputFd, int * const outputFd, bool const DiscardOutput)/*{{{*/
+{
+ std::vector<const char *> Args(sArgs.size(), NULL);
+ std::transform(sArgs.begin(), sArgs.end(), Args.begin(), [](std::string const &s) { return s.c_str(); });
+ Args.push_back(NULL);
+
+ int external[2] = {-1, -1};
+ if (inputFd != nullptr || outputFd != nullptr)
+ if (pipe(external) != 0)
+ {
+ _error->WarningE("dpkg", "Can't create IPC pipe for dpkg call");
+ return -1;
+ }
+
+ pid_t const dpkg = ExecFork();
+ if (dpkg == 0) {
+ int const nullfd = open("/dev/null", O_RDONLY);
+ if (inputFd == nullptr)
+ dup2(nullfd, STDIN_FILENO);
+ else
+ {
+ close(external[1]);
+ dup2(external[0], STDIN_FILENO);
+ }
+ if (outputFd == nullptr)
+ dup2(nullfd, STDOUT_FILENO);
+ else
+ {
+ close(external[0]);
+ dup2(external[1], STDOUT_FILENO);
+ }
+ if (DiscardOutput == true)
+ dup2(nullfd, STDERR_FILENO);
+ debSystem::DpkgChrootDirectory();
+
+ if (_system != nullptr && _system->IsLocked() == true)
+ {
+ setenv("DPKG_FRONTEND_LOCKED", "true", 1);
+ }
+
+ if (_config->Find("DPkg::Path", "").empty() == false)
+ setenv("PATH", _config->Find("DPkg::Path", "").c_str(), 1);
+
+ execvp(Args[0], (char**) &Args[0]);
+ _error->WarningE("dpkg", "Can't execute dpkg!");
+ _exit(100);
+ }
+ if (outputFd != nullptr)
+ {
+ close(external[1]);
+ *outputFd = external[0];
+ }
+ else if (inputFd != nullptr)
+ {
+ close(external[0]);
+ *inputFd = external[1];
+ }
+ return dpkg;
+}
+ /*}}}*/
+bool debSystem::SupportsMultiArch() /*{{{*/
+{
+ std::vector<std::string> Args = GetDpkgBaseCommand();
+ Args.push_back("--assert-multi-arch");
+ pid_t const dpkgAssertMultiArch = ExecDpkg(Args, nullptr, nullptr, true);
+ if (dpkgAssertMultiArch > 0)
+ {
+ int Status = 0;
+ while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch)
+ {
+ if (errno == EINTR)
+ continue;
+ _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch");
+ break;
+ }
+ if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0)
+ return true;
+ }
+ return false;
+}
+ /*}}}*/
+std::vector<std::string> debSystem::SupportedArchitectures() /*{{{*/
+{
+ std::vector<std::string> archs;
+ {
+ string const arch = _config->Find("APT::Architecture");
+ if (arch.empty() == false)
+ archs.push_back(std::move(arch));
+ }
+
+ std::vector<std::string> sArgs = GetDpkgBaseCommand();
+ sArgs.push_back("--print-foreign-architectures");
+ int outputFd = -1;
+ pid_t const dpkgMultiArch = ExecDpkg(sArgs, nullptr, &outputFd, true);
+ if (dpkgMultiArch == -1)
+ return archs;
+
+ FILE *dpkg = fdopen(outputFd, "r");
+ if(dpkg != NULL) {
+ char* buf = NULL;
+ size_t bufsize = 0;
+ while (getline(&buf, &bufsize, dpkg) != -1)
+ {
+ char* tok_saveptr;
+ char* arch = strtok_r(buf, " ", &tok_saveptr);
+ while (arch != NULL) {
+ for (; isspace_ascii(*arch) != 0; ++arch);
+ if (arch[0] != '\0') {
+ char const* archend = arch;
+ for (; isspace_ascii(*archend) == 0 && *archend != '\0'; ++archend);
+ string a(arch, (archend - arch));
+ if (std::find(archs.begin(), archs.end(), a) == archs.end())
+ archs.push_back(a);
+ }
+ arch = strtok_r(NULL, " ", &tok_saveptr);
+ }
+ }
+ free(buf);
+ fclose(dpkg);
+ }
+ ExecWait(dpkgMultiArch, "dpkg --print-foreign-architectures", true);
+ return archs;
+}
+ /*}}}*/
diff --git a/apt-pkg/deb/debsystem.h b/apt-pkg/deb/debsystem.h
new file mode 100644
index 0000000..4503676
--- /dev/null
+++ b/apt-pkg/deb/debsystem.h
@@ -0,0 +1,61 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ System - Debian version of the System Class
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBSYSTEM_H
+#define PKGLIB_DEBSYSTEM_H
+
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/pkgsystem.h>
+
+#include <vector>
+class Configuration;
+class pkgIndexFile;
+class pkgPackageManager;
+class debSystemPrivate;
+class pkgDepCache;
+
+#ifndef APT_10_CLEANER_HEADERS
+class debStatusIndex;
+#endif
+
+class debSystem : public pkgSystem
+{
+ // private d-pointer
+ debSystemPrivate * const d;
+ APT_HIDDEN bool CheckUpdates();
+
+ public:
+
+ virtual bool Lock() APT_OVERRIDE;
+ virtual bool UnLock(bool NoErrors = false) APT_OVERRIDE;
+ virtual pkgPackageManager *CreatePM(pkgDepCache *Cache) const APT_OVERRIDE;
+ virtual bool Initialize(Configuration &Cnf) APT_OVERRIDE;
+ virtual bool ArchiveSupported(const char *Type) APT_OVERRIDE;
+ virtual signed Score(Configuration const &Cnf) APT_OVERRIDE;
+ virtual bool AddStatusFiles(std::vector<pkgIndexFile *> &List) APT_OVERRIDE;
+ virtual bool FindIndex(pkgCache::PkgFileIterator File,
+ pkgIndexFile *&Found) const APT_OVERRIDE;
+
+ debSystem();
+ virtual ~debSystem();
+
+ APT_HIDDEN static std::string GetDpkgExecutable();
+ APT_HIDDEN static std::vector<std::string> GetDpkgBaseCommand();
+ APT_HIDDEN static void DpkgChrootDirectory();
+ APT_HIDDEN static pid_t ExecDpkg(std::vector<std::string> const &sArgs, int * const inputFd, int * const outputFd, bool const DiscardOutput);
+ APT_HIDDEN static bool SupportsMultiArch();
+ APT_HIDDEN static std::vector<std::string> SupportedArchitectures();
+
+ APT_HIDDEN bool LockInner();
+ APT_HIDDEN bool UnLockInner(bool NoErrors=false);
+ APT_HIDDEN bool IsLocked();
+};
+
+extern debSystem debSys;
+
+#endif
diff --git a/apt-pkg/deb/debversion.cc b/apt-pkg/deb/debversion.cc
new file mode 100644
index 0000000..d2ebd28
--- /dev/null
+++ b/apt-pkg/deb/debversion.cc
@@ -0,0 +1,279 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Version - Versioning system for Debian
+
+ This implements the standard Debian versioning system.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/debversion.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+ /*}}}*/
+
+debVersioningSystem debVS;
+
+// debVS::debVersioningSystem - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+debVersioningSystem::debVersioningSystem()
+{
+ Label = "Standard .deb";
+}
+ /*}}}*/
+
+// debVS::CmpFragment - Compare versions /*{{{*/
+// ---------------------------------------------------------------------
+/* This compares a fragment of the version. This is a slightly adapted
+ version of what dpkg uses in dpkg/lib/dpkg/version.c.
+ In particular, the a | b = NULL check is removed as we check this in the
+ caller, we use an explicit end for a | b strings and we check ~ explicit. */
+static int order(char c)
+{
+ if (isdigit(c))
+ return 0;
+ else if (isalpha(c))
+ return c;
+ else if (c == '~')
+ return -1;
+ else if (c)
+ return c + 256;
+ else
+ return 0;
+}
+int debVersioningSystem::CmpFragment(const char *A,const char *AEnd,
+ const char *B,const char *BEnd)
+{
+ /* Iterate over the whole string
+ What this does is to split the whole string into groups of
+ numeric and non numeric portions. For instance:
+ a67bhgs89
+ Has 4 portions 'a', '67', 'bhgs', '89'. A more normal:
+ 2.7.2-linux-1
+ Has '2', '.', '7', '.' ,'-linux-','1' */
+ const char *lhs = A;
+ const char *rhs = B;
+ while (lhs != AEnd && rhs != BEnd)
+ {
+ int first_diff = 0;
+
+ while (lhs != AEnd && rhs != BEnd &&
+ (!isdigit(*lhs) || !isdigit(*rhs)))
+ {
+ int vc = order(*lhs);
+ int rc = order(*rhs);
+ if (vc != rc)
+ return vc - rc;
+ ++lhs; ++rhs;
+ }
+
+ while (*lhs == '0')
+ ++lhs;
+ while (*rhs == '0')
+ ++rhs;
+ while (isdigit(*lhs) && isdigit(*rhs))
+ {
+ if (!first_diff)
+ first_diff = *lhs - *rhs;
+ ++lhs;
+ ++rhs;
+ }
+
+ if (isdigit(*lhs))
+ return 1;
+ if (isdigit(*rhs))
+ return -1;
+ if (first_diff)
+ return first_diff;
+ }
+
+ // The strings must be equal
+ if (lhs == AEnd && rhs == BEnd)
+ return 0;
+
+ // lhs is shorter
+ if (lhs == AEnd)
+ {
+ if (*rhs == '~') return 1;
+ return -1;
+ }
+
+ // rhs is shorter
+ if (rhs == BEnd)
+ {
+ if (*lhs == '~') return -1;
+ return 1;
+ }
+
+ // Shouldn't happen
+ return 1;
+}
+ /*}}}*/
+// debVS::CmpVersion - Comparison for versions /*{{{*/
+// ---------------------------------------------------------------------
+/* This fragments the version into E:V-R triples and compares each
+ portion separately. */
+int debVersioningSystem::DoCmpVersion(const char *A,const char *AEnd,
+ const char *B,const char *BEnd)
+{
+ // Strip off the epoch and compare it
+ const char *lhs = (const char*) memchr(A, ':', AEnd - A);
+ const char *rhs = (const char*) memchr(B, ':', BEnd - B);
+ if (lhs == NULL)
+ lhs = A;
+ if (rhs == NULL)
+ rhs = B;
+
+ // Special case: a zero epoch is the same as no epoch,
+ // so remove it.
+ if (lhs != A)
+ {
+ for (; *A == '0'; ++A);
+ if (A == lhs)
+ {
+ ++A;
+ ++lhs;
+ }
+ }
+ if (rhs != B)
+ {
+ for (; *B == '0'; ++B);
+ if (B == rhs)
+ {
+ ++B;
+ ++rhs;
+ }
+ }
+
+ // Compare the epoch
+ int Res = CmpFragment(A,lhs,B,rhs);
+ if (Res != 0)
+ return Res;
+
+ // Skip the :
+ if (lhs != A)
+ lhs++;
+ if (rhs != B)
+ rhs++;
+
+ // Find the last -
+ const char *dlhs = (const char*) memrchr(lhs, '-', AEnd - lhs);
+ const char *drhs = (const char*) memrchr(rhs, '-', BEnd - rhs);
+ if (dlhs == NULL)
+ dlhs = AEnd;
+ if (drhs == NULL)
+ drhs = BEnd;
+
+ // Compare the main version
+ Res = CmpFragment(lhs,dlhs,rhs,drhs);
+ if (Res != 0)
+ return Res;
+
+ // Skip the -
+ if (dlhs != lhs)
+ dlhs++;
+ if (drhs != rhs)
+ drhs++;
+
+ // no debian revision need to be treated like -0
+ if (*(dlhs-1) == '-' && *(drhs-1) == '-')
+ return CmpFragment(dlhs,AEnd,drhs,BEnd);
+ else if (*(dlhs-1) == '-')
+ {
+ const char* null = "0";
+ return CmpFragment(dlhs,AEnd,null, null+1);
+ }
+ else if (*(drhs-1) == '-')
+ {
+ const char* null = "0";
+ return CmpFragment(null, null+1, drhs, BEnd);
+ }
+ else
+ return 0;
+}
+ /*}}}*/
+// debVS::CheckDep - Check a single dependency /*{{{*/
+// ---------------------------------------------------------------------
+/* This simply performs the version comparison and switch based on
+ operator. If DepVer is 0 then we are comparing against a provides
+ with no version. */
+bool debVersioningSystem::CheckDep(const char *PkgVer,
+ int Op,const char *DepVer)
+{
+ if (DepVer == 0 || DepVer[0] == 0)
+ return true;
+ if (PkgVer == 0 || PkgVer[0] == 0)
+ return false;
+ Op &= 0x0F;
+
+ // fast track for (equal) strings [by location] which are by definition equal versions
+ if (PkgVer == DepVer)
+ return Op == pkgCache::Dep::Equals || Op == pkgCache::Dep::LessEq || Op == pkgCache::Dep::GreaterEq;
+
+ // Perform the actual comparison.
+ int const Res = CmpVersion(PkgVer, DepVer);
+ switch (Op)
+ {
+ case pkgCache::Dep::LessEq:
+ if (Res <= 0)
+ return true;
+ break;
+
+ case pkgCache::Dep::GreaterEq:
+ if (Res >= 0)
+ return true;
+ break;
+
+ case pkgCache::Dep::Less:
+ if (Res < 0)
+ return true;
+ break;
+
+ case pkgCache::Dep::Greater:
+ if (Res > 0)
+ return true;
+ break;
+
+ case pkgCache::Dep::Equals:
+ if (Res == 0)
+ return true;
+ break;
+
+ case pkgCache::Dep::NotEquals:
+ if (Res != 0)
+ return true;
+ break;
+ }
+
+ return false;
+}
+ /*}}}*/
+// debVS::UpstreamVersion - Return the upstream version string /*{{{*/
+// ---------------------------------------------------------------------
+/* This strips all the debian specific information from the version number */
+std::string debVersioningSystem::UpstreamVersion(const char *Ver)
+{
+ // Strip off the bit before the first colon
+ const char *I = Ver;
+ for (; *I != 0 && *I != ':'; I++);
+ if (*I == ':')
+ Ver = I + 1;
+
+ // Chop off the trailing -
+ I = Ver;
+ unsigned Last = strlen(Ver);
+ for (; *I != 0; I++)
+ if (*I == '-')
+ Last = I - Ver;
+
+ return std::string(Ver,Last);
+}
+ /*}}}*/
diff --git a/apt-pkg/deb/debversion.h b/apt-pkg/deb/debversion.h
new file mode 100644
index 0000000..db70c87
--- /dev/null
+++ b/apt-pkg/deb/debversion.h
@@ -0,0 +1,41 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Debian Version - Versioning system for Debian
+
+ This implements the standard Debian versioning system.
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DEBVERSION_H
+#define PKGLIB_DEBVERSION_H
+
+#include <apt-pkg/version.h>
+
+#include <string>
+
+class debVersioningSystem : public pkgVersioningSystem
+{
+ public:
+
+ static int CmpFragment(const char *A, const char *AEnd, const char *B,
+ const char *BEnd) APT_PURE;
+
+ // Compare versions..
+ virtual int DoCmpVersion(const char *A,const char *Aend,
+ const char *B,const char *Bend) APT_OVERRIDE APT_PURE;
+ virtual bool CheckDep(const char *PkgVer,int Op,const char *DepVer) APT_OVERRIDE APT_PURE;
+ virtual APT_PURE int DoCmpReleaseVer(const char *A,const char *Aend,
+ const char *B,const char *Bend) APT_OVERRIDE
+ {
+ return DoCmpVersion(A,Aend,B,Bend);
+ }
+ virtual std::string UpstreamVersion(const char *A) APT_OVERRIDE;
+
+ debVersioningSystem();
+};
+
+extern debVersioningSystem debVS;
+
+#endif
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
new file mode 100644
index 0000000..ffa880d
--- /dev/null
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -0,0 +1,2491 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ DPKG Package Manager - Provide an interface to dpkg
+
+ ##################################################################### */
+ /*}}}*/
+// Includes /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/debsystem.h>
+#include <apt-pkg/depcache.h>
+#include <apt-pkg/dpkgpm.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/install-progress.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/statechanges.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/version.h>
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <termios.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <array>
+#include <cstring>
+#include <iostream>
+#include <map>
+#include <numeric>
+#include <set>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <unordered_set>
+#include <utility>
+#include <vector>
+
+#include <apti18n.h>
+ /*}}}*/
+
+extern char **environ;
+
+using namespace std;
+
+APT_PURE static string AptHistoryRequestingUser() /*{{{*/
+{
+ const char* EnvKeys[]{"SUDO_UID", "PKEXEC_UID", "PACKAGEKIT_CALLER_UID"};
+
+ for (const auto &Key: EnvKeys)
+ {
+ if (getenv(Key) != nullptr)
+ {
+ int uid = atoi(getenv(Key));
+ if (uid > 0) {
+ struct passwd pwd;
+ struct passwd *result;
+ char buf[255];
+ if (getpwuid_r(uid, &pwd, buf, sizeof(buf), &result) == 0 && result != NULL) {
+ std::string res;
+ strprintf(res, "%s (%d)", pwd.pw_name, uid);
+ return res;
+ }
+ }
+ }
+ }
+ return "";
+}
+ /*}}}*/
+APT_PURE static unsigned int EnvironmentSize() /*{{{*/
+{
+ unsigned int size = 0;
+ char **envp = environ;
+
+ while (*envp != NULL)
+ size += strlen (*envp++) + 1;
+
+ return size;
+}
+ /*}}}*/
+class pkgDPkgPMPrivate /*{{{*/
+{
+public:
+ pkgDPkgPMPrivate() : stdin_is_dev_null(false), status_fd_reached_end_of_file(false),
+ dpkgbuf_pos(0), term_out(NULL), history_out(NULL),
+ progress(NULL), tt_is_valid(false), master(-1),
+ slave(NULL), protect_slave_from_dying(-1),
+ direct_stdin(false)
+ {
+ dpkgbuf[0] = '\0';
+ }
+ ~pkgDPkgPMPrivate()
+ {
+ }
+ bool stdin_is_dev_null;
+ bool status_fd_reached_end_of_file;
+ // the buffer we use for the dpkg status-fd reading
+ char dpkgbuf[1024];
+ size_t dpkgbuf_pos;
+ FILE *term_out;
+ FILE *history_out;
+ string dpkg_error;
+ APT::Progress::PackageManager *progress;
+
+ // pty stuff
+ struct termios tt;
+ bool tt_is_valid;
+ int master;
+ char * slave;
+ int protect_slave_from_dying;
+
+ // signals
+ sigset_t sigmask;
+ sigset_t original_sigmask;
+
+ bool direct_stdin;
+};
+ /*}}}*/
+namespace
+{
+ // Maps the dpkg "processing" info to human readable names. Entry 0
+ // of each array is the key, entry 1 is the value.
+ const std::pair<const char *, const char *> PackageProcessingOps[] = {
+ std::make_pair("install", N_("Preparing %s")),
+ // we don't care for the difference
+ std::make_pair("upgrade", N_("Preparing %s")),
+ std::make_pair("configure", N_("Preparing to configure %s")),
+ std::make_pair("remove", N_("Preparing for removal of %s")),
+ std::make_pair("purge", N_("Preparing to completely remove %s")),
+ std::make_pair("disappear", N_("Noting disappearance of %s")),
+ std::make_pair("trigproc", N_("Running post-installation trigger %s"))
+ };
+
+ const std::pair<const char *, const char *> * const PackageProcessingOpsBegin = PackageProcessingOps;
+ const std::pair<const char *, const char *> * const PackageProcessingOpsEnd = PackageProcessingOps + sizeof(PackageProcessingOps) / sizeof(PackageProcessingOps[0]);
+
+ // Predicate to test whether an entry in the PackageProcessingOps
+ // array matches a string.
+ class MatchProcessingOp
+ {
+ const char *target;
+
+ public:
+ explicit MatchProcessingOp(const char *the_target)
+ : target(the_target)
+ {
+ }
+
+ bool operator()(const std::pair<const char *, const char *> &pair) const
+ {
+ return strcmp(pair.first, target) == 0;
+ }
+ };
+}
+
+// ionice - helper function to ionice the given PID /*{{{*/
+/* there is no C header for ionice yet - just the syscall interface
+ so we use the binary from util-linux */
+static bool ionice(int PID)
+{
+ if (!FileExists("/usr/bin/ionice"))
+ return false;
+ pid_t Process = ExecFork();
+ if (Process == 0)
+ {
+ char buf[32];
+ snprintf(buf, sizeof(buf), "-p%d", PID);
+ const char *Args[4];
+ Args[0] = "/usr/bin/ionice";
+ Args[1] = "-c3";
+ Args[2] = buf;
+ Args[3] = 0;
+ execv(Args[0], (char **)Args);
+ }
+ return ExecWait(Process, "ionice");
+}
+ /*}}}*/
+// FindNowVersion - Helper to find a Version in "now" state /*{{{*/
+// ---------------------------------------------------------------------
+/* This is helpful when a package is no longer installed but has residual
+ * config files
+ */
+static
+pkgCache::VerIterator FindNowVersion(const pkgCache::PkgIterator &Pkg)
+{
+ pkgCache::VerIterator Ver;
+ for (Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
+ for (pkgCache::VerFileIterator Vf = Ver.FileList(); Vf.end() == false; ++Vf)
+ for (pkgCache::PkgFileIterator F = Vf.File(); F.end() == false; ++F)
+ {
+ if (F.Archive() != 0 && strcmp(F.Archive(), "now") == 0)
+ return Ver;
+ }
+ return Ver;
+}
+ /*}}}*/
+static pkgCache::VerIterator FindToBeRemovedVersion(pkgCache::PkgIterator const &Pkg)/*{{{*/
+{
+ auto const PV = Pkg.CurrentVer();
+ if (PV.end() == false)
+ return PV;
+ return FindNowVersion(Pkg);
+}
+ /*}}}*/
+
+// DPkgPM::pkgDPkgPM - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgDPkgPM::pkgDPkgPM(pkgDepCache *Cache)
+ : pkgPackageManager(Cache),d(new pkgDPkgPMPrivate()), pkgFailures(0), PackagesDone(0), PackagesTotal(0)
+{
+}
+ /*}}}*/
+// DPkgPM::pkgDPkgPM - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgDPkgPM::~pkgDPkgPM()
+{
+ delete d;
+}
+ /*}}}*/
+// DPkgPM::Install - Install a package /*{{{*/
+// ---------------------------------------------------------------------
+/* Add an install operation to the sequence list */
+bool pkgDPkgPM::Install(PkgIterator Pkg,string File)
+{
+ if (File.empty() == true || Pkg.end() == true)
+ return _error->Error("Internal Error, No file name for %s",Pkg.FullName().c_str());
+
+ // If the filename string begins with DPkg::Chroot-Directory, return the
+ // substr that is within the chroot so dpkg can access it.
+ string const chrootdir = _config->FindDir("DPkg::Chroot-Directory","/");
+ if (chrootdir != "/" && File.find(chrootdir) == 0)
+ {
+ size_t len = chrootdir.length();
+ if (chrootdir.at(len - 1) == '/')
+ len--;
+ List.push_back(Item(Item::Install,Pkg,File.substr(len)));
+ }
+ else
+ List.push_back(Item(Item::Install,Pkg,File));
+
+ return true;
+}
+ /*}}}*/
+// DPkgPM::Configure - Configure a package /*{{{*/
+// ---------------------------------------------------------------------
+/* Add a configure operation to the sequence list */
+bool pkgDPkgPM::Configure(PkgIterator Pkg)
+{
+ if (Pkg.end() == true)
+ return false;
+
+ List.push_back(Item(Item::Configure, Pkg));
+
+ // Use triggers for config calls if we configure "smart"
+ // as otherwise Pre-Depends will not be satisfied, see #526774
+ if (_config->FindB("DPkg::TriggersPending", false) == true)
+ List.push_back(Item(Item::TriggersPending, PkgIterator()));
+
+ return true;
+}
+ /*}}}*/
+// DPkgPM::Remove - Remove a package /*{{{*/
+// ---------------------------------------------------------------------
+/* Add a remove operation to the sequence list */
+bool pkgDPkgPM::Remove(PkgIterator Pkg,bool Purge)
+{
+ if (Pkg.end() == true)
+ return false;
+
+ if (Purge == true)
+ List.push_back(Item(Item::Purge,Pkg));
+ else
+ List.push_back(Item(Item::Remove,Pkg));
+ return true;
+}
+ /*}}}*/
+// DPkgPM::SendPkgInfo - Send info for install-pkgs hook /*{{{*/
+// ---------------------------------------------------------------------
+/* This is part of the helper script communication interface, it sends
+ very complete information down to the other end of the pipe.*/
+bool pkgDPkgPM::SendV2Pkgs(FILE *F)
+{
+ return SendPkgsInfo(F, 2);
+}
+bool pkgDPkgPM::SendPkgsInfo(FILE * const F, unsigned int const &Version)
+{
+ // This version of APT supports only v3, so don't sent higher versions
+ if (Version <= 3)
+ fprintf(F,"VERSION %u\n", Version);
+ else
+ fprintf(F,"VERSION 3\n");
+
+ /* Write out all of the configuration directives by walking the
+ configuration tree */
+ const Configuration::Item *Top = _config->Tree(0);
+ for (; Top != 0;)
+ {
+ if (Top->Value.empty() == false)
+ {
+ fprintf(F,"%s=%s\n",
+ QuoteString(Top->FullTag(),"=\"\n").c_str(),
+ QuoteString(Top->Value,"\n").c_str());
+ }
+
+ if (Top->Child != 0)
+ {
+ Top = Top->Child;
+ continue;
+ }
+
+ while (Top != 0 && Top->Next == 0)
+ Top = Top->Parent;
+ if (Top != 0)
+ Top = Top->Next;
+ }
+ fprintf(F,"\n");
+
+ // Write out the package actions in order.
+ for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
+ {
+ if(I->Pkg.end() == true)
+ continue;
+
+ pkgDepCache::StateCache &S = Cache[I->Pkg];
+
+ fprintf(F,"%s ",I->Pkg.Name());
+
+ // Current version which we are going to replace
+ pkgCache::VerIterator CurVer = I->Pkg.CurrentVer();
+ if (CurVer.end() == true && (I->Op == Item::Remove || I->Op == Item::Purge))
+ CurVer = FindNowVersion(I->Pkg);
+
+ if (CurVer.end() == true)
+ {
+ if (Version <= 2)
+ fprintf(F, "- ");
+ else
+ fprintf(F, "- - none ");
+ }
+ else
+ {
+ fprintf(F, "%s ", CurVer.VerStr());
+ if (Version >= 3)
+ fprintf(F, "%s %s ", CurVer.Arch(), CurVer.MultiArchType());
+ }
+
+ // Show the compare operator between current and install version
+ if (S.InstallVer != 0)
+ {
+ pkgCache::VerIterator const InstVer = S.InstVerIter(Cache);
+ int Comp = 2;
+ if (CurVer.end() == false)
+ Comp = InstVer.CompareVer(CurVer);
+ if (Comp < 0)
+ fprintf(F,"> ");
+ else if (Comp == 0)
+ fprintf(F,"= ");
+ else if (Comp > 0)
+ fprintf(F,"< ");
+ fprintf(F, "%s ", InstVer.VerStr());
+ if (Version >= 3)
+ fprintf(F, "%s %s ", InstVer.Arch(), InstVer.MultiArchType());
+ }
+ else
+ {
+ if (Version <= 2)
+ fprintf(F, "> - ");
+ else
+ fprintf(F, "> - - none ");
+ }
+
+ // Show the filename/operation
+ if (I->Op == Item::Install)
+ {
+ // No errors here..
+ if (I->File[0] != '/')
+ fprintf(F,"**ERROR**\n");
+ else
+ fprintf(F,"%s\n",I->File.c_str());
+ }
+ else if (I->Op == Item::Configure)
+ fprintf(F,"**CONFIGURE**\n");
+ else if (I->Op == Item::Remove ||
+ I->Op == Item::Purge)
+ fprintf(F,"**REMOVE**\n");
+
+ if (ferror(F) != 0)
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
+// DPkgPM::RunScriptsWithPkgs - Run scripts with package names on stdin /*{{{*/
+// ---------------------------------------------------------------------
+/* This looks for a list of scripts to run from the configuration file
+ each one is run and is fed on standard input a list of all .deb files
+ that are due to be installed. */
+bool pkgDPkgPM::RunScriptsWithPkgs(const char *Cnf)
+{
+ bool result = true;
+
+ Configuration::Item const *Opts = _config->Tree(Cnf);
+ if (Opts == 0 || Opts->Child == 0)
+ return true;
+ Opts = Opts->Child;
+
+ sighandler_t old_sigpipe = signal(SIGPIPE, SIG_IGN);
+ sighandler_t old_sigint = signal(SIGINT, SIG_IGN);
+ sighandler_t old_sigquit = signal(SIGQUIT, SIG_IGN);
+
+ unsigned int Count = 1;
+ for (; Opts != 0; Opts = Opts->Next, Count++)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+
+ if(_config->FindB("Debug::RunScripts", false) == true)
+ std::clog << "Running external script with list of all .deb file: '"
+ << Opts->Value << "'" << std::endl;
+
+ // Determine the protocol version
+ string OptSec = Opts->Value;
+ string::size_type Pos;
+ if ((Pos = OptSec.find(' ')) == string::npos || Pos == 0)
+ Pos = OptSec.length();
+ OptSec = "DPkg::Tools::Options::" + string(Opts->Value.c_str(),Pos);
+
+ unsigned int Version = _config->FindI(OptSec+"::Version",1);
+ unsigned int InfoFD = _config->FindI(OptSec + "::InfoFD", STDIN_FILENO);
+
+ // Create the pipes
+ std::set<int> KeepFDs;
+ MergeKeepFdsFromConfiguration(KeepFDs);
+ int Pipes[2];
+ if (pipe(Pipes) != 0) {
+ result = _error->Errno("pipe","Failed to create IPC pipe to subprocess");
+ break;
+ }
+ if (InfoFD != (unsigned)Pipes[0])
+ SetCloseExec(Pipes[0],true);
+ else
+ KeepFDs.insert(Pipes[0]);
+
+
+ SetCloseExec(Pipes[1],true);
+
+ // Purified Fork for running the script
+ pid_t Process = ExecFork(KeepFDs);
+ if (Process == 0)
+ {
+ // Setup the FDs
+ dup2(Pipes[0], InfoFD);
+ SetCloseExec(STDOUT_FILENO,false);
+ SetCloseExec(STDIN_FILENO,false);
+ SetCloseExec(STDERR_FILENO,false);
+
+ string hookfd;
+ strprintf(hookfd, "%d", InfoFD);
+ setenv("APT_HOOK_INFO_FD", hookfd.c_str(), 1);
+
+ if (_system != nullptr && _system->IsLocked() == true && stringcasecmp(Cnf, "DPkg::Pre-Install-Pkgs") == 0)
+ setenv("DPKG_FRONTEND_LOCKED", "true", 1);
+
+ debSystem::DpkgChrootDirectory();
+ const char *Args[4];
+ Args[0] = "/bin/sh";
+ Args[1] = "-c";
+ Args[2] = Opts->Value.c_str();
+ Args[3] = 0;
+ execv(Args[0],(char **)Args);
+ _exit(100);
+ }
+ close(Pipes[0]);
+ FILE *F = fdopen(Pipes[1],"w");
+ if (F == 0) {
+ result = _error->Errno("fdopen","Failed to open new FD");
+ break;
+ }
+
+ // Feed it the filenames.
+ if (Version <= 1)
+ {
+ for (vector<Item>::iterator I = List.begin(); I != List.end(); ++I)
+ {
+ // Only deal with packages to be installed from .deb
+ if (I->Op != Item::Install)
+ continue;
+
+ // No errors here..
+ if (I->File[0] != '/')
+ continue;
+
+ /* Feed the filename of each package that is pending install
+ into the pipe. */
+ fprintf(F,"%s\n",I->File.c_str());
+ if (ferror(F) != 0)
+ break;
+ }
+ }
+ else
+ SendPkgsInfo(F, Version);
+
+ fclose(F);
+
+ // Clean up the sub process
+ if (ExecWait(Process,Opts->Value.c_str()) == false) {
+ result = _error->Error("Failure running script %s",Opts->Value.c_str());
+ break;
+ }
+ }
+ signal(SIGINT, old_sigint);
+ signal(SIGPIPE, old_sigpipe);
+ signal(SIGQUIT, old_sigquit);
+
+ return result;
+}
+ /*}}}*/
+// DPkgPM::DoStdin - Read stdin and pass to master pty /*{{{*/
+// ---------------------------------------------------------------------
+/*
+*/
+void pkgDPkgPM::DoStdin(int master)
+{
+ unsigned char input_buf[256] = {0,};
+ ssize_t len = read(STDIN_FILENO, input_buf, sizeof(input_buf));
+ if (len)
+ FileFd::Write(master, input_buf, len);
+ else
+ d->stdin_is_dev_null = true;
+}
+ /*}}}*/
+// DPkgPM::DoTerminalPty - Read the terminal pty and write log /*{{{*/
+// ---------------------------------------------------------------------
+/*
+ * read the terminal pty and write log
+ */
+void pkgDPkgPM::DoTerminalPty(int master)
+{
+ unsigned char term_buf[1024] = {0,0, };
+
+ ssize_t len=read(master, term_buf, sizeof(term_buf));
+ if(len == -1 && errno == EIO)
+ {
+ // this happens when the child is about to exit, we
+ // give it time to actually exit, otherwise we run
+ // into a race so we sleep for half a second.
+ struct timespec sleepfor = { 0, 500000000 };
+ nanosleep(&sleepfor, NULL);
+ return;
+ }
+ if(len <= 0)
+ return;
+ FileFd::Write(1, term_buf, len);
+ if(d->term_out)
+ fwrite(term_buf, len, sizeof(char), d->term_out);
+}
+ /*}}}*/
+// DPkgPM::ProcessDpkgStatusBuf /*{{{*/
+void pkgDPkgPM::ProcessDpkgStatusLine(char *line)
+{
+ bool const Debug = _config->FindB("Debug::pkgDPkgProgressReporting",false);
+ if (Debug == true)
+ std::clog << "got from dpkg '" << line << "'" << std::endl;
+
+ /* dpkg sends strings like this:
+ 'status: <pkg>: <pkg qstate>'
+ 'status: <pkg>:<arch>: <pkg qstate>'
+
+ 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: pkg'
+ 'processing: {install,upgrade,configure,remove,purge,disappear,trigproc}: trigger'
+ */
+
+ // we need to split on ": " (note the appended space) as the ':' is
+ // part of the pkgname:arch information that dpkg sends
+ //
+ // A dpkg error message may contain additional ":" (like
+ // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..."
+ // so we need to ensure to not split too much
+ std::vector<std::string> list = StringSplit(line, ": ", 4);
+ if(list.size() < 3)
+ {
+ if (Debug == true)
+ std::clog << "ignoring line: not enough ':'" << std::endl;
+ return;
+ }
+
+ // build the (prefix, pkgname, action) tuple, position of this
+ // is different for "processing" or "status" messages
+ std::string prefix = APT::String::Strip(list[0]);
+ std::string pkgname;
+ std::string action;
+
+ // "processing" has the form "processing: action: pkg or trigger"
+ // with action = ["install", "upgrade", "configure", "remove", "purge",
+ // "disappear", "trigproc"]
+ if (prefix == "processing")
+ {
+ pkgname = APT::String::Strip(list[2]);
+ action = APT::String::Strip(list[1]);
+ }
+ // "status" has the form: "status: pkg: state"
+ // with state in ["half-installed", "unpacked", "half-configured",
+ // "installed", "config-files", "not-installed"]
+ else if (prefix == "status")
+ {
+ pkgname = APT::String::Strip(list[1]);
+ action = APT::String::Strip(list[2]);
+
+ /* handle the special cases first:
+
+ errors look like this:
+ 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
+ and conffile-prompt like this
+ 'status:/etc/compiz.conf/compiz.conf : conffile-prompt: 'current-conffile' 'new-conffile' useredited distedited
+ */
+ if(action == "error")
+ {
+ d->progress->Error(pkgname, PackagesDone, PackagesTotal, list[3]);
+ ++pkgFailures;
+ WriteApportReport(pkgname.c_str(), list[3].c_str());
+ return;
+ }
+ else if(action == "conffile-prompt")
+ {
+ d->progress->ConffilePrompt(pkgname, PackagesDone, PackagesTotal, list[3]);
+ return;
+ }
+ } else {
+ if (Debug == true)
+ std::clog << "unknown prefix '" << prefix << "'" << std::endl;
+ return;
+ }
+
+ // At this point we have a pkgname, but it might not be arch-qualified !
+ if (pkgname.find(":") == std::string::npos)
+ {
+ pkgCache::GrpIterator const Grp = Cache.FindGrp(pkgname);
+ if (unlikely(Grp.end()== true))
+ {
+ if (Debug == true)
+ std::clog << "unable to figure out which package is dpkg referring to with '" << pkgname << "'! (0)" << std::endl;
+ return;
+ }
+ /* No arch means that dpkg believes there can only be one package
+ this can refer to so lets see what could be candidates here: */
+ std::vector<pkgCache::PkgIterator> candset;
+ for (auto P = Grp.PackageList(); P.end() != true; P = Grp.NextPkg(P))
+ {
+ if (PackageOps.find(P.FullName()) != PackageOps.end())
+ candset.push_back(P);
+ // packages can disappear without them having any interaction itself
+ // so we have to consider these as candidates, too
+ else if (P->CurrentVer != 0 && action == "disappear")
+ candset.push_back(P);
+ }
+ if (unlikely(candset.empty()))
+ {
+ if (Debug == true)
+ std::clog << "unable to figure out which package is dpkg referring to with '" << pkgname << "'! (1)" << std::endl;
+ return;
+ }
+ else if (candset.size() == 1) // we are lucky
+ pkgname = candset.cbegin()->FullName();
+ else
+ {
+ /* here be dragons^Wassumptions about dpkg:
+ - an M-A:same version is always arch-qualified
+ - a package from a foreign arch is (in newer versions) */
+ size_t installedInstances = 0, wannabeInstances = 0;
+ for (auto const &P: candset)
+ {
+ if (P->CurrentVer != 0)
+ {
+ ++installedInstances;
+ if (Cache[P].Delete() == false)
+ ++wannabeInstances;
+ }
+ else if (Cache[P].Install())
+ ++wannabeInstances;
+ }
+ // the package becomes M-A:same, so we are still talking about current
+ if (installedInstances == 1 && wannabeInstances >= 2)
+ {
+ for (auto const &P: candset)
+ {
+ if (P->CurrentVer == 0)
+ continue;
+ pkgname = P.FullName();
+ break;
+ }
+ }
+ // the package was M-A:same, it isn't now, so we can only talk about that
+ else if (installedInstances >= 2 && wannabeInstances == 1)
+ {
+ for (auto const &P: candset)
+ {
+ auto const IV = Cache[P].InstVerIter(Cache);
+ if (IV.end())
+ continue;
+ pkgname = P.FullName();
+ break;
+ }
+ }
+ // that is a crossgrade
+ else if (installedInstances == 1 && wannabeInstances == 1 && candset.size() == 2)
+ {
+ auto const PkgHasCurrentVersion = [](pkgCache::PkgIterator const &P) { return P->CurrentVer != 0; };
+ auto const P = std::find_if(candset.begin(), candset.end(), PkgHasCurrentVersion);
+ if (unlikely(P == candset.end()))
+ {
+ if (Debug == true)
+ std::clog << "situation for '" << pkgname << "' looked like a crossgrade, but no current version?!" << std::endl;
+ return;
+ }
+ auto fullname = P->FullName();
+ if (PackageOps[fullname].size() != PackageOpsDone[fullname])
+ pkgname = std::move(fullname);
+ else
+ {
+ auto const pkgi = std::find_if_not(candset.begin(), candset.end(), PkgHasCurrentVersion);
+ if (unlikely(pkgi == candset.end()))
+ {
+ if (Debug == true)
+ std::clog << "situation for '" << pkgname << "' looked like a crossgrade, but all are installed?!" << std::endl;
+ return;
+ }
+ pkgname = pkgi->FullName();
+ }
+ }
+ // we are desperate: so "just" take the native one, but that might change mid-air,
+ // so we have to ask dpkg what it believes native is at the moment… all the time
+ else
+ {
+ std::vector<std::string> sArgs = debSystem::GetDpkgBaseCommand();
+ sArgs.push_back("--print-architecture");
+ int outputFd = -1;
+ pid_t const dpkgNativeArch = debSystem::ExecDpkg(sArgs, nullptr, &outputFd, true);
+ if (unlikely(dpkgNativeArch == -1))
+ {
+ if (Debug == true)
+ std::clog << "calling dpkg failed to ask it for its current native architecture to expand '" << pkgname << "'!" << std::endl;
+ return;
+ }
+ FILE *dpkg = fdopen(outputFd, "r");
+ if(dpkg != NULL)
+ {
+ char* buf = NULL;
+ size_t bufsize = 0;
+ if (getline(&buf, &bufsize, dpkg) != -1)
+ pkgname += ':' + bufsize;
+ free(buf);
+ fclose(dpkg);
+ }
+ ExecWait(dpkgNativeArch, "dpkg --print-architecture", true);
+ if (pkgname.find(':') != std::string::npos)
+ {
+ if (Debug == true)
+ std::clog << "unable to figure out which package is dpkg referring to with '" << pkgname << "'! (2)" << std::endl;
+ return;
+ }
+ }
+ }
+ }
+
+ std::string arch = "";
+ if (pkgname.find(":") != string::npos)
+ arch = StringSplit(pkgname, ":")[1];
+ std::string i18n_pkgname = pkgname;
+ if (arch.size() != 0)
+ strprintf(i18n_pkgname, "%s (%s)", StringSplit(pkgname, ":")[0].c_str(), arch.c_str());
+
+ // 'processing' from dpkg looks like
+ // 'processing: action: pkg'
+ if(prefix == "processing")
+ {
+ auto const iter = std::find_if(PackageProcessingOpsBegin, PackageProcessingOpsEnd, MatchProcessingOp(action.c_str()));
+ if(iter == PackageProcessingOpsEnd)
+ {
+ if (Debug == true)
+ std::clog << "ignoring unknown action: " << action << std::endl;
+ return;
+ }
+ std::string msg;
+ strprintf(msg, _(iter->second), i18n_pkgname.c_str());
+ d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
+
+ // FIXME: this needs a muliarch testcase
+ // FIXME2: is "pkgname" here reliable with dpkg only sending us
+ // short pkgnames?
+ if (action == "disappear")
+ handleDisappearAction(pkgname);
+ else if (action == "upgrade")
+ handleCrossUpgradeAction(pkgname);
+ return;
+ }
+
+ if (prefix == "status")
+ {
+ std::vector<struct DpkgState> &states = PackageOps[pkgname];
+ if(PackageOpsDone[pkgname] < states.size())
+ {
+ char const * next_action = states[PackageOpsDone[pkgname]].state;
+ if (next_action)
+ {
+ /*
+ if (action == "half-installed" && strcmp("half-configured", next_action) == 0 &&
+ PackageOpsDone[pkg] + 2 < states.size() && action == states[PackageOpsDone[pkg] + 2].state)
+ {
+ if (Debug == true)
+ std::clog << "(parsed from dpkg) pkg: " << short_pkgname << " action: " << action
+ << " pending trigger defused by unpack" << std::endl;
+ // unpacking a package defuses the pending trigger
+ PackageOpsDone[pkg] += 2;
+ PackagesDone += 2;
+ next_action = states[PackageOpsDone[pkg]].state;
+ }
+ */
+ if (Debug == true)
+ std::clog << "(parsed from dpkg) pkg: " << pkgname
+ << " action: " << action << " (expected: '" << next_action << "' "
+ << PackageOpsDone[pkgname] << " of " << states.size() << ")" << endl;
+
+ // check if the package moved to the next dpkg state
+ if(action == next_action)
+ {
+ // only read the translation if there is actually a next action
+ char const * const translation = _(states[PackageOpsDone[pkgname]].str);
+
+ // we moved from one dpkg state to a new one, report that
+ ++PackageOpsDone[pkgname];
+ ++PackagesDone;
+
+ std::string msg;
+ strprintf(msg, translation, i18n_pkgname.c_str());
+ d->progress->StatusChanged(pkgname, PackagesDone, PackagesTotal, msg);
+ }
+ }
+ }
+ else if (action == "triggers-pending")
+ {
+ if (Debug == true)
+ std::clog << "(parsed from dpkg) pkg: " << pkgname
+ << " action: " << action << " (prefix 2 to "
+ << PackageOpsDone[pkgname] << " of " << states.size() << ")" << endl;
+
+ states.insert(states.begin(), {"installed", N_("Installed %s")});
+ states.insert(states.begin(), {"half-configured", N_("Configuring %s")});
+ PackagesTotal += 2;
+ }
+ }
+}
+ /*}}}*/
+// DPkgPM::handleDisappearAction /*{{{*/
+void pkgDPkgPM::handleDisappearAction(string const &pkgname)
+{
+ pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname);
+ if (unlikely(Pkg.end() == true))
+ return;
+
+ // a disappeared package has no further actions
+ auto const ROps = PackageOps[Pkg.FullName()].size();
+ auto && ROpsDone = PackageOpsDone[Pkg.FullName()];
+ PackagesDone += ROps - ROpsDone;
+ ROpsDone = ROps;
+
+ // record the package name for display and stuff later
+ disappearedPkgs.insert(Pkg.FullName(true));
+
+ // the disappeared package was auto-installed - nothing to do
+ if ((Cache[Pkg].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
+ return;
+ pkgCache::VerIterator PkgVer = Cache[Pkg].InstVerIter(Cache);
+ if (unlikely(PkgVer.end() == true))
+ return;
+ /* search in the list of dependencies for (Pre)Depends,
+ check if this dependency has a Replaces on our package
+ and if so transfer the manual installed flag to it */
+ for (pkgCache::DepIterator Dep = PkgVer.DependsList(); Dep.end() != true; ++Dep)
+ {
+ if (Dep->Type != pkgCache::Dep::Depends &&
+ Dep->Type != pkgCache::Dep::PreDepends)
+ continue;
+ pkgCache::PkgIterator Tar = Dep.TargetPkg();
+ if (unlikely(Tar.end() == true))
+ continue;
+ // the package is already marked as manual
+ if ((Cache[Tar].Flags & pkgCache::Flag::Auto) != pkgCache::Flag::Auto)
+ continue;
+ pkgCache::VerIterator TarVer = Cache[Tar].InstVerIter(Cache);
+ if (TarVer.end() == true)
+ continue;
+ for (pkgCache::DepIterator Rep = TarVer.DependsList(); Rep.end() != true; ++Rep)
+ {
+ if (Rep->Type != pkgCache::Dep::Replaces)
+ continue;
+ if (Pkg != Rep.TargetPkg())
+ continue;
+ // okay, they are strongly connected - transfer manual-bit
+ if (Debug == true)
+ std::clog << "transfer manual-bit from disappeared »" << pkgname << "« to »" << Tar.FullName() << "«" << std::endl;
+ Cache[Tar].Flags &= ~Flag::Auto;
+ break;
+ }
+ }
+}
+ /*}}}*/
+void pkgDPkgPM::handleCrossUpgradeAction(string const &pkgname) /*{{{*/
+{
+ // in a crossgrade what looked like a remove first is really an unpack over it
+ auto const Pkg = Cache.FindPkg(pkgname);
+ if (likely(Pkg.end() == false) && Cache[Pkg].Delete())
+ {
+ auto const Grp = Pkg.Group();
+ if (likely(Grp.end() == false))
+ {
+ for (auto P = Grp.PackageList(); P.end() != true; P = Grp.NextPkg(P))
+ if(Cache[P].Install())
+ {
+ auto && Ops = PackageOps[P.FullName()];
+ auto const unpackOp = std::find_if(Ops.cbegin(), Ops.cend(), [](DpkgState const &s) { return strcmp(s.state, "unpacked") == 0; });
+ if (unpackOp != Ops.cend())
+ {
+ // skip ahead in the crossgraded packages
+ auto const skipped = std::distance(Ops.cbegin(), unpackOp);
+ PackagesDone += skipped;
+ PackageOpsDone[P.FullName()] += skipped;
+ // finish the crossremoved package
+ auto const ROps = PackageOps[Pkg.FullName()].size();
+ auto && ROpsDone = PackageOpsDone[Pkg.FullName()];
+ PackagesDone += ROps - ROpsDone;
+ ROpsDone = ROps;
+ break;
+ }
+ }
+ }
+ }
+}
+ /*}}}*/
+// DPkgPM::DoDpkgStatusFd /*{{{*/
+void pkgDPkgPM::DoDpkgStatusFd(int statusfd)
+{
+ auto const remainingBuffer = (sizeof(d->dpkgbuf) / sizeof(d->dpkgbuf[0])) - d->dpkgbuf_pos;
+ if (likely(remainingBuffer > 0) && d->status_fd_reached_end_of_file == false)
+ {
+ auto const len = read(statusfd, &d->dpkgbuf[d->dpkgbuf_pos], remainingBuffer);
+ if (len < 0)
+ return;
+ else if (len == 0 && d->dpkgbuf_pos == 0)
+ {
+ d->status_fd_reached_end_of_file = true;
+ return;
+ }
+ d->dpkgbuf_pos += (len / sizeof(d->dpkgbuf[0]));
+ }
+
+ // process line by line from the buffer
+ char *p = d->dpkgbuf, *q = nullptr;
+ while((q=(char*)memchr(p, '\n', (d->dpkgbuf + d->dpkgbuf_pos) - p)) != nullptr)
+ {
+ *q = '\0';
+ ProcessDpkgStatusLine(p);
+ p = q + 1; // continue with next line
+ }
+
+ // check if we stripped the buffer clean
+ if (p > (d->dpkgbuf + d->dpkgbuf_pos))
+ {
+ d->dpkgbuf_pos = 0;
+ return;
+ }
+
+ // otherwise move the unprocessed tail to the start and update pos
+ memmove(d->dpkgbuf, p, (p - d->dpkgbuf));
+ d->dpkgbuf_pos = (d->dpkgbuf + d->dpkgbuf_pos) - p;
+}
+ /*}}}*/
+// DPkgPM::WriteHistoryTag /*{{{*/
+void pkgDPkgPM::WriteHistoryTag(string const &tag, string value)
+{
+ size_t const length = value.length();
+ if (length == 0)
+ return;
+ // poor mans rstrip(", ")
+ if (value[length-2] == ',' && value[length-1] == ' ')
+ value.erase(length - 2, 2);
+ fprintf(d->history_out, "%s: %s\n", tag.c_str(), value.c_str());
+} /*}}}*/
+// DPkgPM::OpenLog /*{{{*/
+bool pkgDPkgPM::OpenLog()
+{
+ string const logfile_name = _config->FindFile("Dir::Log::Terminal", "/dev/null");
+ string logdir = flNotFile(logfile_name);
+ if(CreateAPTDirectoryIfNeeded(logdir, logdir) == false)
+ // FIXME: use a better string after freeze
+ return _error->Error(_("Directory '%s' missing"), logdir.c_str());
+
+ // get current time
+ char timestr[200];
+ time_t const t = time(NULL);
+ struct tm tm_buf;
+ struct tm const * const tmp = localtime_r(&t, &tm_buf);
+ strftime(timestr, sizeof(timestr), "%F %T", tmp);
+
+ // open terminal log
+ if (logfile_name != "/dev/null")
+ {
+ d->term_out = fopen(logfile_name.c_str(),"a");
+ if (d->term_out == NULL)
+ return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());
+ setvbuf(d->term_out, NULL, _IONBF, 0);
+ SetCloseExec(fileno(d->term_out), true);
+ if (getuid() == 0) // if we aren't root, we can't chown a file, so don't try it
+ {
+ struct passwd *pw = getpwnam("root");
+ struct group *gr = getgrnam("adm");
+ if (pw != NULL && gr != NULL && chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+ _error->WarningE("OpenLog", "chown to root:adm of file %s failed", logfile_name.c_str());
+ }
+ if (chmod(logfile_name.c_str(), 0640) != 0)
+ _error->WarningE("OpenLog", "chmod 0640 of file %s failed", logfile_name.c_str());
+ fprintf(d->term_out, "\nLog started: %s\n", timestr);
+ }
+
+ // write your history
+ string const history_name = _config->FindFile("Dir::Log::History", "/dev/null");
+ string logdir2 = flNotFile(logfile_name);
+ if(logdir != logdir2 && CreateAPTDirectoryIfNeeded(logdir2, logdir2) == false)
+ return _error->Error(_("Directory '%s' missing"), logdir.c_str());
+ if (history_name != "/dev/null")
+ {
+ d->history_out = fopen(history_name.c_str(),"a");
+ if (d->history_out == NULL)
+ return _error->WarningE("OpenLog", _("Could not open file '%s'"), history_name.c_str());
+ SetCloseExec(fileno(d->history_out), true);
+ chmod(history_name.c_str(), 0644);
+ fprintf(d->history_out, "\nStart-Date: %s\n", timestr);
+ string remove, purge, install, reinstall, upgrade, downgrade;
+ for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I)
+ {
+ enum { CANDIDATE, CANDIDATE_AUTO, CURRENT_CANDIDATE, CURRENT } infostring;
+ string *line = NULL;
+ #define HISTORYINFO(X, Y) { line = &X; infostring = Y; }
+ if (Cache[I].NewInstall() == true)
+ HISTORYINFO(install, CANDIDATE_AUTO)
+ else if (Cache[I].ReInstall() == true)
+ HISTORYINFO(reinstall, CANDIDATE)
+ else if (Cache[I].Upgrade() == true)
+ HISTORYINFO(upgrade, CURRENT_CANDIDATE)
+ else if (Cache[I].Downgrade() == true)
+ HISTORYINFO(downgrade, CURRENT_CANDIDATE)
+ else if (Cache[I].Delete() == true)
+ HISTORYINFO((Cache[I].Purge() ? purge : remove), CURRENT)
+ else
+ continue;
+ #undef HISTORYINFO
+ line->append(I.FullName(false)).append(" (");
+ switch (infostring) {
+ case CANDIDATE: line->append(Cache[I].CandVersion); break;
+ case CANDIDATE_AUTO:
+ line->append(Cache[I].CandVersion);
+ if ((Cache[I].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto)
+ line->append(", automatic");
+ break;
+ case CURRENT_CANDIDATE: line->append(Cache[I].CurVersion).append(", ").append(Cache[I].CandVersion); break;
+ case CURRENT: line->append(Cache[I].CurVersion); break;
+ }
+ line->append("), ");
+ }
+ if (_config->Exists("Commandline::AsString") == true)
+ WriteHistoryTag("Commandline", _config->Find("Commandline::AsString"));
+ std::string RequestingUser = AptHistoryRequestingUser();
+ if (RequestingUser != "")
+ WriteHistoryTag("Requested-By", RequestingUser);
+ WriteHistoryTag("Install", install);
+ WriteHistoryTag("Reinstall", reinstall);
+ WriteHistoryTag("Upgrade", upgrade);
+ WriteHistoryTag("Downgrade",downgrade);
+ WriteHistoryTag("Remove",remove);
+ WriteHistoryTag("Purge",purge);
+ fflush(d->history_out);
+ }
+
+ return true;
+}
+ /*}}}*/
+// DPkg::CloseLog /*{{{*/
+bool pkgDPkgPM::CloseLog()
+{
+ char timestr[200];
+ time_t t = time(NULL);
+ struct tm tm_buf;
+ struct tm *tmp = localtime_r(&t, &tm_buf);
+ strftime(timestr, sizeof(timestr), "%F %T", tmp);
+
+ if(d->term_out)
+ {
+ fprintf(d->term_out, "Log ended: ");
+ fprintf(d->term_out, "%s", timestr);
+ fprintf(d->term_out, "\n");
+ fclose(d->term_out);
+ }
+ d->term_out = NULL;
+
+ if(d->history_out)
+ {
+ if (disappearedPkgs.empty() == false)
+ {
+ string disappear;
+ for (std::set<std::string>::const_iterator d = disappearedPkgs.begin();
+ d != disappearedPkgs.end(); ++d)
+ {
+ pkgCache::PkgIterator P = Cache.FindPkg(*d);
+ disappear.append(*d);
+ if (P.end() == true)
+ disappear.append(", ");
+ else
+ disappear.append(" (").append(Cache[P].CurVersion).append("), ");
+ }
+ WriteHistoryTag("Disappeared", disappear);
+ }
+ if (d->dpkg_error.empty() == false)
+ fprintf(d->history_out, "Error: %s\n", d->dpkg_error.c_str());
+ fprintf(d->history_out, "End-Date: %s\n", timestr);
+ fclose(d->history_out);
+ }
+ d->history_out = NULL;
+
+ return true;
+}
+ /*}}}*/
+
+// DPkgPM::BuildPackagesProgressMap /*{{{*/
+void pkgDPkgPM::BuildPackagesProgressMap()
+{
+ // map the dpkg states to the operations that are performed
+ // (this is sorted in the same way as Item::Ops)
+ static const std::array<std::array<DpkgState, 2>, 4> DpkgStatesOpMap = {{
+ // Install operation
+ {{
+ {"half-installed", N_("Unpacking %s")},
+ {"unpacked", N_("Installing %s") },
+ }},
+ // Configure operation
+ {{
+ {"half-configured", N_("Configuring %s") },
+ { "installed", N_("Installed %s")},
+ }},
+ // Remove operation
+ {{
+ {"half-configured", N_("Removing %s")},
+ {"half-installed", N_("Removing %s")},
+ }},
+ // Purge operation
+ {{
+ {"config-files", N_("Completely removing %s")},
+ {"not-installed", N_("Completely removed %s")},
+ }},
+ }};
+ static_assert(Item::Purge == 3, "Enum item has unexpected index for mapping array");
+
+ // init the PackageOps map, go over the list of packages that
+ // that will be [installed|configured|removed|purged] and add
+ // them to the PackageOps map (the dpkg states it goes through)
+ // and the PackageOpsTranslations (human readable strings)
+ for (auto &&I : List)
+ {
+ if(I.Pkg.end() == true)
+ continue;
+
+ string const name = I.Pkg.FullName();
+ PackageOpsDone[name] = 0;
+ auto AddToPackageOps = [&](decltype(I.Op) const Op) {
+ auto const DpkgOps = DpkgStatesOpMap[Op];
+ std::copy(DpkgOps.begin(), DpkgOps.end(), std::back_inserter(PackageOps[name]));
+ PackagesTotal += DpkgOps.size();
+ };
+ // purging a package which is installed first passes through remove states
+ if (I.Op == Item::Purge && I.Pkg->CurrentVer != 0)
+ AddToPackageOps(Item::Remove);
+ AddToPackageOps(I.Op);
+
+ if ((I.Op == Item::Remove || I.Op == Item::Purge) && I.Pkg->CurrentVer != 0)
+ {
+ if (I.Pkg->CurrentState == pkgCache::State::UnPacked ||
+ I.Pkg->CurrentState == pkgCache::State::HalfInstalled)
+ {
+ if (likely(strcmp(PackageOps[name][0].state, "half-configured") == 0))
+ {
+ ++PackageOpsDone[name];
+ --PackagesTotal;
+ }
+ }
+ }
+ }
+ /* one extra: We don't want the progress bar to reach 100%, especially not
+ if we call dpkg --configure --pending and process a bunch of triggers
+ while showing 100%. Also, spindown takes a while, so never reaching 100%
+ is way more correct than reaching 100% while still doing stuff even if
+ doing it this way is slightly bending the rules */
+ ++PackagesTotal;
+}
+ /*}}}*/
+bool pkgDPkgPM::Go(int StatusFd) /*{{{*/
+{
+ APT::Progress::PackageManager *progress = NULL;
+ if (StatusFd == -1)
+ progress = APT::Progress::PackageManagerProgressFactory();
+ else
+ progress = new APT::Progress::PackageManagerProgressFd(StatusFd);
+
+ return Go(progress);
+}
+ /*}}}*/
+void pkgDPkgPM::StartPtyMagic() /*{{{*/
+{
+ if (_config->FindB("Dpkg::Use-Pty", true) == false)
+ {
+ d->master = -1;
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
+ return;
+ }
+
+ if (isatty(STDIN_FILENO) == 0)
+ d->direct_stdin = true;
+
+ _error->PushToStack();
+
+ d->master = posix_openpt(O_RDWR | O_NOCTTY);
+ if (d->master == -1)
+ _error->Errno("posix_openpt", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+ else if (unlockpt(d->master) == -1)
+ _error->Errno("unlockpt", "Unlocking the slave of master fd %d failed!", d->master);
+ else
+ {
+#ifdef HAVE_PTSNAME_R
+ char slave_name[64]; // 64 is used by bionic
+ if (ptsname_r(d->master, slave_name, sizeof(slave_name)) != 0)
+#else
+ char const * const slave_name = ptsname(d->master);
+ if (slave_name == NULL)
+#endif
+ _error->Errno("ptsname", "Getting name for slave of master fd %d failed!", d->master);
+ else
+ {
+ d->slave = strdup(slave_name);
+ if (d->slave == NULL)
+ _error->Errno("strdup", "Copying name %s for slave of master fd %d failed!", slave_name, d->master);
+ else if (grantpt(d->master) == -1)
+ _error->Errno("grantpt", "Granting access to slave %s based on master fd %d failed!", slave_name, d->master);
+ else if (tcgetattr(STDIN_FILENO, &d->tt) == 0)
+ {
+ d->tt_is_valid = true;
+ struct termios raw_tt;
+ // copy window size of stdout if its a 'good' terminal
+ if (tcgetattr(STDOUT_FILENO, &raw_tt) == 0)
+ {
+ struct winsize win;
+ if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &win) < 0)
+ _error->Errno("ioctl", "Getting TIOCGWINSZ from stdout failed!");
+ if (ioctl(d->master, TIOCSWINSZ, &win) < 0)
+ _error->Errno("ioctl", "Setting TIOCSWINSZ for master fd %d failed!", d->master);
+ }
+ if (tcsetattr(d->master, TCSANOW, &d->tt) == -1)
+ _error->Errno("tcsetattr", "Setting in Start via TCSANOW for master fd %d failed!", d->master);
+
+ raw_tt = d->tt;
+ cfmakeraw(&raw_tt);
+ raw_tt.c_lflag &= ~ECHO;
+ raw_tt.c_lflag |= ISIG;
+ // block SIGTTOU during tcsetattr to prevent a hang if
+ // the process is a member of the background process group
+ // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html
+ sigemptyset(&d->sigmask);
+ sigaddset(&d->sigmask, SIGTTOU);
+ sigprocmask(SIG_BLOCK,&d->sigmask, &d->original_sigmask);
+ if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw_tt) == -1)
+ _error->Errno("tcsetattr", "Setting in Start via TCSAFLUSH for stdin failed!");
+ sigprocmask(SIG_SETMASK, &d->original_sigmask, NULL);
+
+ }
+ if (d->slave != NULL)
+ {
+ /* on linux, closing (and later reopening) all references to the slave
+ makes the slave a death end, so we open it here to have one open all
+ the time. We could use this fd in SetupSlavePtyMagic() for linux, but
+ on kfreebsd we get an incorrect ("step like") output then while it has
+ no problem with closing all references… so to avoid platform specific
+ code here we combine both and be happy once more */
+ d->protect_slave_from_dying = open(d->slave, O_RDWR | O_CLOEXEC | O_NOCTTY);
+ }
+ }
+ }
+
+ if (_error->PendingError() == true)
+ {
+ if (d->master != -1)
+ {
+ close(d->master);
+ d->master = -1;
+ }
+ if (d->slave != NULL)
+ {
+ free(d->slave);
+ d->slave = NULL;
+ }
+ _error->DumpErrors(std::cerr, GlobalError::DEBUG, false);
+ }
+ _error->RevertToStack();
+}
+ /*}}}*/
+void pkgDPkgPM::SetupSlavePtyMagic() /*{{{*/
+{
+ if(d->master == -1 || d->slave == NULL)
+ return;
+
+ if (close(d->master) == -1)
+ _error->FatalE("close", "Closing master %d in child failed!", d->master);
+ d->master = -1;
+ if (setsid() == -1)
+ _error->FatalE("setsid", "Starting a new session for child failed!");
+
+ int const slaveFd = open(d->slave, O_RDWR | O_NOCTTY);
+ if (slaveFd == -1)
+ _error->FatalE("open", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
+ else if (ioctl(slaveFd, TIOCSCTTY, 0) < 0)
+ _error->FatalE("ioctl", "Setting TIOCSCTTY for slave fd %d failed!", slaveFd);
+ else
+ {
+ unsigned short i = 0;
+ if (d->direct_stdin == true)
+ ++i;
+ for (; i < 3; ++i)
+ if (dup2(slaveFd, i) == -1)
+ _error->FatalE("dup2", "Dupping %d to %d in child failed!", slaveFd, i);
+
+ if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSANOW, &d->tt) < 0)
+ _error->FatalE("tcsetattr", "Setting in Setup via TCSANOW for slave fd %d failed!", slaveFd);
+ }
+
+ if (slaveFd != -1)
+ close(slaveFd);
+}
+ /*}}}*/
+void pkgDPkgPM::StopPtyMagic() /*{{{*/
+{
+ if (d->slave != NULL)
+ free(d->slave);
+ d->slave = NULL;
+ if (d->protect_slave_from_dying != -1)
+ {
+ close(d->protect_slave_from_dying);
+ d->protect_slave_from_dying = -1;
+ }
+ if(d->master >= 0)
+ {
+ if (d->tt_is_valid == true && tcsetattr(STDIN_FILENO, TCSAFLUSH, &d->tt) == -1)
+ _error->FatalE("tcsetattr", "Setting in Stop via TCSAFLUSH for stdin failed!");
+ close(d->master);
+ d->master = -1;
+ }
+}
+ /*}}}*/
+static void cleanUpTmpDir(char * const tmpdir) /*{{{*/
+{
+ if (tmpdir == nullptr)
+ return;
+ DIR * const D = opendir(tmpdir);
+ if (D == nullptr)
+ _error->Errno("opendir", _("Unable to read %s"), tmpdir);
+ else
+ {
+ auto const dfd = dirfd(D);
+ for (struct dirent *Ent = readdir(D); Ent != nullptr; Ent = readdir(D))
+ {
+ if (Ent->d_name[0] == '.')
+ continue;
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (unlikely(Ent->d_type != DT_LNK && Ent->d_type != DT_UNKNOWN))
+ continue;
+#endif
+ if (unlikely(unlinkat(dfd, Ent->d_name, 0) != 0))
+ break;
+ }
+ closedir(D);
+ rmdir(tmpdir);
+ }
+ free(tmpdir);
+}
+ /*}}}*/
+
+// DPkgPM::Go - Run the sequence /*{{{*/
+// ---------------------------------------------------------------------
+/* This globs the operations and calls dpkg
+ *
+ * If it is called with a progress object apt will report the install
+ * progress to this object. It maps the dpkg states a package goes
+ * through to human readable (and i10n-able)
+ * names and calculates a percentage for each step.
+ */
+static bool ItemIsEssential(pkgDPkgPM::Item const &I)
+{
+ static auto const cachegen = _config->Find("pkgCacheGen::Essential");
+ if (cachegen == "none" || cachegen == "native")
+ return true;
+ if (unlikely(I.Pkg.end()))
+ return true;
+ return (I.Pkg->Flags & pkgCache::Flag::Essential) != 0;
+}
+bool pkgDPkgPM::ExpandPendingCalls(std::vector<Item> &List, pkgDepCache &Cache)
+{
+ {
+ std::unordered_set<decltype(pkgCache::Package::ID)> alreadyRemoved;
+ for (auto && I : List)
+ if (I.Op == Item::Remove || I.Op == Item::Purge)
+ alreadyRemoved.insert(I.Pkg->ID);
+ std::remove_reference<decltype(List)>::type AppendList;
+ for (auto Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ if (Cache[Pkg].Delete() && alreadyRemoved.insert(Pkg->ID).second == true)
+ AppendList.emplace_back(Cache[Pkg].Purge() ? Item::Purge : Item::Remove, Pkg);
+ std::move(AppendList.begin(), AppendList.end(), std::back_inserter(List));
+ }
+ {
+ std::unordered_set<decltype(pkgCache::Package::ID)> alreadyConfigured;
+ for (auto && I : List)
+ if (I.Op == Item::Configure)
+ alreadyConfigured.insert(I.Pkg->ID);
+ std::remove_reference<decltype(List)>::type AppendList;
+ for (auto && I : List)
+ if (I.Op == Item::Install && alreadyConfigured.insert(I.Pkg->ID).second == true)
+ AppendList.emplace_back(Item::Configure, I.Pkg);
+ for (auto Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure &&
+ Cache[Pkg].Delete() == false && alreadyConfigured.insert(Pkg->ID).second == true)
+ AppendList.emplace_back(Item::Configure, Pkg);
+ std::move(AppendList.begin(), AppendList.end(), std::back_inserter(List));
+ }
+ return true;
+}
+bool pkgDPkgPM::Go(APT::Progress::PackageManager *progress)
+{
+ struct Inhibitor
+ {
+ int Fd = -1;
+ Inhibitor()
+ {
+ if (_config->FindB("DPkg::Inhibit-Shutdown", true))
+ Fd = Inhibit("shutdown", "APT", "APT is installing or removing packages", "block");
+ }
+ ~Inhibitor()
+ {
+ if (Fd > 0)
+ close(Fd);
+ }
+ } inhibitor;
+
+ // explicitly remove&configure everything for hookscripts and progress building
+ // we need them only temporarily through, so keep the length and erase afterwards
+ decltype(List)::const_iterator::difference_type explicitIdx =
+ std::distance(List.cbegin(), List.cend());
+ ExpandPendingCalls(List, Cache);
+
+ /* if dpkg told us that it has already done everything to the package we wanted it to do,
+ we shouldn't ask it for "more" later. That can e.g. happen if packages without conffiles
+ are purged as they will have pass through the purge states on remove already */
+ auto const StripAlreadyDoneFrom = [&](APT::VersionVector & Pending) {
+ Pending.erase(std::remove_if(Pending.begin(), Pending.end(), [&](pkgCache::VerIterator const &Ver) {
+ auto const PN = Ver.ParentPkg().FullName();
+ auto const POD = PackageOpsDone.find(PN);
+ if (POD == PackageOpsDone.end())
+ return false;
+ return PackageOps[PN].size() <= POD->second;
+ }), Pending.end());
+ };
+
+ pkgPackageManager::SigINTStop = false;
+ d->progress = progress;
+
+ // Generate the base argument list for dpkg
+ std::vector<std::string> const sArgs = debSystem::GetDpkgBaseCommand();
+ std::vector<const char *> Args(sArgs.size(), NULL);
+ std::transform(sArgs.begin(), sArgs.end(), Args.begin(),
+ [](std::string const &s) { return s.c_str(); });
+ unsigned long long const StartSize = std::accumulate(sArgs.begin(), sArgs.end(), 0llu,
+ [](unsigned long long const i, std::string const &s) { return i + s.length(); });
+ size_t const BaseArgs = Args.size();
+
+ fd_set rfds;
+ struct timespec tv;
+
+ // try to figure out the max environment size
+ int OSArgMax = sysconf(_SC_ARG_MAX);
+ if(OSArgMax < 0)
+ OSArgMax = 32*1024;
+ OSArgMax -= EnvironmentSize() - 2*1024;
+ unsigned int const MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes", OSArgMax);
+ bool const NoTriggers = _config->FindB("DPkg::NoTriggers", true);
+
+ if (RunScripts("DPkg::Pre-Invoke") == false)
+ return false;
+
+ if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
+ return false;
+
+ auto const noopDPkgInvocation = _config->FindB("Debug::pkgDPkgPM",false);
+ // store auto-bits as they are supposed to be after dpkg is run
+ if (noopDPkgInvocation == false)
+ Cache.writeStateFile(NULL);
+
+ bool dpkg_recursive_install = _config->FindB("dpkg::install::recursive", false);
+ if (_config->FindB("dpkg::install::recursive::force", false) == false)
+ {
+ // dpkg uses a sorted treewalk since that version which enables the workaround to work
+ auto const dpkgpkg = Cache.FindPkg("dpkg");
+ if (likely(dpkgpkg.end() == false && dpkgpkg->CurrentVer != 0))
+ dpkg_recursive_install = Cache.VS().CmpVersion("1.18.5", dpkgpkg.CurrentVer().VerStr()) <= 0;
+ }
+ // no point in doing this dance for a handful of packages only
+ unsigned int const dpkg_recursive_install_min = _config->FindI("dpkg::install::recursive::minimum", 5);
+ // FIXME: workaround for dpkg bug, see our ./test-bug-740843-versioned-up-down-breaks test
+ bool const dpkg_recursive_install_numbered = _config->FindB("dpkg::install::recursive::numbered", true);
+
+ // for the progress
+ BuildPackagesProgressMap();
+
+ APT::StateChanges approvedStates;
+ if (_config->FindB("dpkg::selection::remove::approved", true))
+ {
+ for (auto && I : List)
+ if (I.Op == Item::Purge)
+ approvedStates.Purge(FindToBeRemovedVersion(I.Pkg));
+ else if (I.Op == Item::Remove)
+ approvedStates.Remove(FindToBeRemovedVersion(I.Pkg));
+ }
+
+ // Skip removes if we install another architecture of this package soon (crossgrade)
+ // We can't just skip them all the time as it could be an ordering requirement [of another package]
+ if ((approvedStates.Remove().empty() == false || approvedStates.Purge().empty() == false) &&
+ _config->FindB("dpkg::remove::crossgrade::implicit", true) == true)
+ {
+ std::unordered_set<decltype(pkgCache::Package::ID)> crossgraded;
+ std::vector<std::pair<Item*, std::string>> toCrossgrade;
+ auto const PlanedEnd = std::next(List.begin(), explicitIdx);
+ for (auto I = List.begin(); I != PlanedEnd; ++I)
+ {
+ if (I->Op != Item::Remove && I->Op != Item::Purge)
+ continue;
+
+ auto const Grp = I->Pkg.Group();
+ size_t installedInstances = 0, wannabeInstances = 0;
+ bool multiArchInstances = false;
+ for (auto Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ {
+ if (Pkg->CurrentVer != 0)
+ {
+ ++installedInstances;
+ if (Cache[Pkg].Delete() == false)
+ ++wannabeInstances;
+ }
+ else if (PackageOps.find(Pkg.FullName()) != PackageOps.end())
+ ++wannabeInstances;
+ if (multiArchInstances == false)
+ {
+ auto const V = Cache[Pkg].InstVerIter(Cache);
+ if (V.end() == false && (Pkg->CurrentVer == 0 || V != Pkg.CurrentVer()))
+ multiArchInstances = ((V->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same);
+ }
+ }
+ /* theoretically the installed check would be enough as some wannabe will
+ be first and hence be the crossgrade we were looking for, but #844300
+ prevents this so we keep these situations explicit removes.
+ It is also the reason why neither of them can be a M-A:same package */
+ if (installedInstances == 1 && wannabeInstances == 1 && multiArchInstances == false)
+ {
+ auto const FirstInstall = std::find_if_not(I, List.end(),
+ [](Item const &i) { return i.Op == Item::Remove || i.Op == Item::Purge; });
+ auto const LastInstall = std::find_if_not(FirstInstall, List.end(),
+ [](Item const &i) { return i.Op == Item::Install; });
+ auto const crosser = std::find_if(FirstInstall, LastInstall,
+ [&I](Item const &i) { return i.Pkg->Group == I->Pkg->Group; });
+ if (crosser != LastInstall)
+ {
+ crossgraded.insert(I->Pkg->ID);
+ toCrossgrade.emplace_back(&(*I), crosser->Pkg.FullName());
+ }
+ }
+ }
+ for (auto I = PlanedEnd; I != List.end(); ++I)
+ {
+ if (I->Op != Item::Remove && I->Op != Item::Purge)
+ continue;
+
+ auto const Grp = I->Pkg.Group();
+ for (auto Pkg = Grp.PackageList(); Pkg.end() == false; Pkg = Grp.NextPkg(Pkg))
+ {
+ if (Pkg == I->Pkg || Cache[Pkg].Install() == false)
+ continue;
+ toCrossgrade.emplace_back(&(*I), Pkg.FullName());
+ break;
+ }
+ }
+ for (auto C : toCrossgrade)
+ {
+ // we never do purges on packages which are crossgraded, even if "requested"
+ if (C.first->Op == Item::Purge)
+ {
+ C.first->Op = Item::Remove; // crossgrades should never be purged
+ auto && Purges = approvedStates.Purge();
+ auto const Ver = std::find_if(
+#if __GNUC__ >= 5 || (__GNUC_MINOR__ >= 9 && __GNUC__ >= 4)
+ Purges.cbegin(), Purges.cend(),
+#else
+ Purges.begin(), Purges.end(),
+#endif
+ [&C](pkgCache::VerIterator const &V) { return V.ParentPkg() == C.first->Pkg; });
+ approvedStates.Remove(*Ver);
+ Purges.erase(Ver);
+ auto && RemOp = PackageOps[C.first->Pkg.FullName()];
+ if (RemOp.size() == 4)
+ {
+ RemOp.erase(std::next(RemOp.begin(), 2), RemOp.end());
+ PackagesTotal -= 2;
+ }
+ else
+ _error->Warning("Unexpected amount of planned ops for package %s: %lu", C.first->Pkg.FullName().c_str(), RemOp.size());
+ }
+ }
+ if (crossgraded.empty() == false)
+ {
+ auto const oldsize = List.size();
+ List.erase(std::remove_if(List.begin(), PlanedEnd,
+ [&crossgraded](Item const &i){
+ return (i.Op == Item::Remove || i.Op == Item::Purge) &&
+ crossgraded.find(i.Pkg->ID) != crossgraded.end();
+ }), PlanedEnd);
+ explicitIdx -= (oldsize - List.size());
+ }
+ }
+
+ APT::StateChanges currentStates;
+ if (_config->FindB("dpkg::selection::current::saveandrestore", true))
+ {
+ for (auto Pkg = Cache.PkgBegin(); Pkg.end() == false; ++Pkg)
+ if (Pkg->CurrentVer == 0)
+ continue;
+ else if (Pkg->SelectedState == pkgCache::State::Purge)
+ currentStates.Purge(FindToBeRemovedVersion(Pkg));
+ else if (Pkg->SelectedState == pkgCache::State::DeInstall)
+ currentStates.Remove(FindToBeRemovedVersion(Pkg));
+ if (currentStates.empty() == false)
+ {
+ APT::StateChanges cleanStates;
+ for (auto && P: currentStates.Remove())
+ cleanStates.Install(P);
+ for (auto && P: currentStates.Purge())
+ cleanStates.Install(P);
+ if (cleanStates.Save(false) == false)
+ return _error->Error("Couldn't clean the currently selected dpkg states");
+ }
+ }
+
+ if (_config->FindB("dpkg::selection::remove::approved", true))
+ {
+ if (approvedStates.Save(false) == false)
+ {
+ _error->Error("Couldn't record the approved state changes as dpkg selection states");
+ if (currentStates.Save(false) == false)
+ _error->Error("Couldn't restore dpkg selection states which were present before this interaction!");
+ return false;
+ }
+
+ List.erase(std::next(List.begin(), explicitIdx), List.end());
+
+ std::vector<bool> toBeRemoved(Cache.Head().PackageCount, false);
+ for (auto && I: approvedStates.Remove())
+ toBeRemoved[I.ParentPkg()->ID] = true;
+ for (auto && I: approvedStates.Purge())
+ toBeRemoved[I.ParentPkg()->ID] = true;
+
+ for (auto && I: List)
+ if (I.Op == Item::Remove || I.Op == Item::Purge)
+ toBeRemoved[I.Pkg->ID] = false;
+
+ bool const RemovePending = std::find(toBeRemoved.begin(), toBeRemoved.end(), true) != toBeRemoved.end();
+ bool const PurgePending = approvedStates.Purge().empty() == false;
+ if (RemovePending != false || PurgePending != false)
+ List.emplace_back(Item::ConfigurePending, pkgCache::PkgIterator());
+ if (RemovePending)
+ List.emplace_back(Item::RemovePending, pkgCache::PkgIterator());
+ if (PurgePending)
+ List.emplace_back(Item::PurgePending, pkgCache::PkgIterator());
+
+ // support subpressing of triggers processing for special
+ // cases like d-i that runs the triggers handling manually
+ if (_config->FindB("DPkg::ConfigurePending", true))
+ List.emplace_back(Item::ConfigurePending, pkgCache::PkgIterator());
+ }
+ bool const TriggersPending = _config->FindB("DPkg::TriggersPending", false);
+
+ d->stdin_is_dev_null = false;
+
+ // create log
+ OpenLog();
+
+ bool dpkgMultiArch = debSystem::SupportsMultiArch();
+
+ // start pty magic before the loop
+ StartPtyMagic();
+
+ // Tell the progress that its starting and fork dpkg
+ d->progress->Start(d->master);
+
+ // this loop is runs once per dpkg operation
+ vector<Item>::const_iterator I = List.cbegin();
+ while (I != List.end())
+ {
+ // Do all actions with the same Op in one run
+ vector<Item>::const_iterator J = I;
+ if (TriggersPending == true)
+ for (; J != List.end(); ++J)
+ {
+ if (J->Op == I->Op)
+ continue;
+ if (J->Op != Item::TriggersPending)
+ break;
+ vector<Item>::const_iterator T = J + 1;
+ if (T != List.end() && T->Op == I->Op)
+ continue;
+ break;
+ }
+ else if (J->Op == Item::Remove || J->Op == Item::Purge)
+ J = std::find_if(J, List.cend(), [](Item const &I) { return I.Op != Item::Remove && I.Op != Item::Purge; });
+ else
+ J = std::find_if(J, List.cend(), [&J](Item const &I) { return I.Op != J->Op; });
+
+ auto const size = (J - I) + 10;
+
+ // start with the baseset of arguments
+ auto Size = StartSize;
+ Args.erase(Args.begin() + BaseArgs, Args.end());
+ Args.reserve(size);
+ // keep track of allocated strings for multiarch package names
+ std::vector<char *> Packages(size, nullptr);
+
+ int fd[2];
+ if (pipe(fd) != 0)
+ return _error->Errno("pipe","Failed to create IPC pipe to dpkg");
+
+#define ADDARG(X) Args.push_back(X); Size += strlen(X)
+#define ADDARGC(X) Args.push_back(X); Size += sizeof(X) - 1
+
+ ADDARGC("--status-fd");
+ char status_fd_buf[20];
+ snprintf(status_fd_buf,sizeof(status_fd_buf),"%i", fd[1]);
+ ADDARG(status_fd_buf);
+ unsigned long const Op = I->Op;
+
+ if (NoTriggers == true && I->Op != Item::TriggersPending &&
+ (I->Op != Item::ConfigurePending || std::next(I) != List.end()))
+ {
+ ADDARGC("--no-triggers");
+ }
+
+ switch (I->Op)
+ {
+ case Item::Remove:
+ case Item::Purge:
+ ADDARGC("--force-depends");
+ if (std::any_of(I, J, ItemIsEssential))
+ {
+ ADDARGC("--force-remove-essential");
+ }
+ ADDARGC("--remove");
+ break;
+
+ case Item::Configure:
+ ADDARGC("--configure");
+ break;
+
+ case Item::ConfigurePending:
+ ADDARGC("--configure");
+ ADDARGC("--pending");
+ break;
+
+ case Item::TriggersPending:
+ ADDARGC("--triggers-only");
+ ADDARGC("--pending");
+ break;
+
+ case Item::RemovePending:
+ ADDARGC("--remove");
+ ADDARGC("--pending");
+ break;
+
+ case Item::PurgePending:
+ ADDARGC("--purge");
+ ADDARGC("--pending");
+ break;
+
+ case Item::Install:
+ ADDARGC("--unpack");
+ ADDARGC("--auto-deconfigure");
+ break;
+ }
+
+ char * tmpdir_to_free = nullptr;
+
+ // Write in the file or package names
+ if (I->Op == Item::Install)
+ {
+ auto const installsToDo = J - I;
+ if (dpkg_recursive_install == true && dpkg_recursive_install_min < installsToDo)
+ {
+ std::string tmpdir;
+ strprintf(tmpdir, "%s/apt-dpkg-install-XXXXXX", GetTempDir().c_str());
+ tmpdir_to_free = strndup(tmpdir.data(), tmpdir.length());
+ if (mkdtemp(tmpdir_to_free) == nullptr)
+ return _error->Errno("DPkg::Go", "mkdtemp of %s failed in preparation of calling dpkg unpack", tmpdir_to_free);
+
+ char p = 1;
+ for (auto c = installsToDo - 1; (c = c/10) != 0; ++p);
+ for (unsigned long n = 0; I != J; ++n, ++I)
+ {
+ if (I->File[0] != '/')
+ return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());
+ auto file = flNotDir(I->File);
+ if (flExtension(file) != "deb")
+ file.append(".deb");
+ std::string linkpath;
+ if (dpkg_recursive_install_numbered)
+ strprintf(linkpath, "%s/%.*lu-%s", tmpdir_to_free, p, n, file.c_str());
+ else
+ strprintf(linkpath, "%s/%s", tmpdir_to_free, file.c_str());
+ if (symlink(I->File.c_str(), linkpath.c_str()) != 0)
+ return _error->Errno("DPkg::Go", "Symlinking %s to %s failed!", I->File.c_str(), linkpath.c_str());
+ }
+ ADDARGC("--recursive");
+ ADDARG(tmpdir_to_free);
+ }
+ else
+ {
+ for (;I != J && Size < MaxArgBytes; ++I)
+ {
+ if (I->File[0] != '/')
+ return _error->Error("Internal Error, Pathname to install is not absolute '%s'",I->File.c_str());
+ Args.push_back(I->File.c_str());
+ Size += I->File.length();
+ }
+ }
+ }
+ else if (I->Op == Item::RemovePending)
+ {
+ ++I;
+ StripAlreadyDoneFrom(approvedStates.Remove());
+ if (approvedStates.Remove().empty())
+ continue;
+ }
+ else if (I->Op == Item::PurgePending)
+ {
+ ++I;
+ // explicit removes of packages without conffiles passthrough the purge states instantly, too.
+ // Setting these non-installed packages up for purging generates 'unknown pkg' warnings from dpkg
+ StripAlreadyDoneFrom(approvedStates.Purge());
+ if (approvedStates.Purge().empty())
+ continue;
+ std::remove_reference<decltype(approvedStates.Remove())>::type approvedRemoves;
+ std::swap(approvedRemoves, approvedStates.Remove());
+ // we apply it again here as an explicit remove in the ordering will have cleared the purge state
+ if (approvedStates.Save(false) == false)
+ {
+ _error->Error("Couldn't record the approved purges as dpkg selection states");
+ if (currentStates.Save(false) == false)
+ _error->Error("Couldn't restore dpkg selection states which were present before this interaction!");
+ return false;
+ }
+ std::swap(approvedRemoves, approvedStates.Remove());
+ }
+ else
+ {
+ string const nativeArch = _config->Find("APT::Architecture");
+ unsigned long const oldSize = I->Pkg.end() == false ? Size : 0;
+ for (;I != J && Size < MaxArgBytes; ++I)
+ {
+ if((*I).Pkg.end() == true)
+ continue;
+ if (I->Op == Item::Configure && disappearedPkgs.find(I->Pkg.FullName(true)) != disappearedPkgs.end())
+ continue;
+ // We keep this here to allow "smooth" transitions from e.g. multiarch dpkg/ubuntu to dpkg/debian
+ if (dpkgMultiArch == false && (I->Pkg.Arch() == nativeArch ||
+ strcmp(I->Pkg.Arch(), "all") == 0 ||
+ strcmp(I->Pkg.Arch(), "none") == 0))
+ {
+ char const * const name = I->Pkg.Name();
+ ADDARG(name);
+ }
+ else
+ {
+ pkgCache::VerIterator PkgVer;
+ std::string name = I->Pkg.Name();
+ if (Op == Item::Remove)
+ PkgVer = I->Pkg.CurrentVer();
+ else if (Op == Item::Purge)
+ {
+ // we purge later with --purge --pending, so if it isn't installed (aka rc-only), skip it here
+ PkgVer = I->Pkg.CurrentVer();
+ if (PkgVer.end() == true)
+ continue;
+ }
+ else
+ PkgVer = Cache[I->Pkg].InstVerIter(Cache);
+ if (strcmp(I->Pkg.Arch(), "none") == 0)
+ ; // never arch-qualify a package without an arch
+ else if (PkgVer.end() == false)
+ name.append(":").append(PkgVer.Arch());
+ else
+ _error->Warning("Can not find PkgVer for '%s'", name.c_str());
+ char * const fullname = strdup(name.c_str());
+ Packages.push_back(fullname);
+ ADDARG(fullname);
+ }
+ }
+ // skip configure action if all scheduled packages disappeared
+ if (oldSize == Size)
+ continue;
+ }
+#undef ADDARGC
+#undef ADDARG
+
+ J = I;
+
+ if (noopDPkgInvocation == true)
+ {
+ for (std::vector<const char *>::const_iterator a = Args.begin();
+ a != Args.end(); ++a)
+ clog << *a << ' ';
+ clog << endl;
+ for (std::vector<char *>::const_iterator p = Packages.begin();
+ p != Packages.end(); ++p)
+ free(*p);
+ Packages.clear();
+ close(fd[0]);
+ close(fd[1]);
+ cleanUpTmpDir(tmpdir_to_free);
+ continue;
+ }
+ Args.push_back(NULL);
+
+ cout << flush;
+ clog << flush;
+ cerr << flush;
+
+ /* Mask off sig int/quit. We do this because dpkg also does when
+ it forks scripts. What happens is that when you hit ctrl-c it sends
+ it to all processes in the group. Since dpkg ignores the signal
+ it doesn't die but we do! So we must also ignore it */
+ sighandler_t old_SIGQUIT = signal(SIGQUIT,SIG_IGN);
+ sighandler_t old_SIGINT = signal(SIGINT,SigINT);
+
+ // Check here for any SIGINT
+ if (pkgPackageManager::SigINTStop && (Op == Item::Remove || Op == Item::Purge || Op == Item::Install))
+ break;
+
+ // ignore SIGHUP as well (debian #463030)
+ sighandler_t old_SIGHUP = signal(SIGHUP,SIG_IGN);
+
+ // now run dpkg
+ d->progress->StartDpkg();
+ std::set<int> KeepFDs;
+ KeepFDs.insert(fd[1]);
+ MergeKeepFdsFromConfiguration(KeepFDs);
+ pid_t Child = ExecFork(KeepFDs);
+ if (Child == 0)
+ {
+ // This is the child
+ SetupSlavePtyMagic();
+ close(fd[0]); // close the read end of the pipe
+
+ debSystem::DpkgChrootDirectory();
+
+ if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
+ _exit(100);
+
+ if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO))
+ {
+ int Flags;
+ int dummy = 0;
+ if ((Flags = fcntl(STDIN_FILENO,F_GETFL,dummy)) < 0)
+ _exit(100);
+
+ // Discard everything in stdin before forking dpkg
+ if (fcntl(STDIN_FILENO,F_SETFL,Flags | O_NONBLOCK) < 0)
+ _exit(100);
+
+ while (read(STDIN_FILENO,&dummy,1) == 1);
+
+ if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0)
+ _exit(100);
+ }
+
+ // if color support isn't enabled/disabled explicitly tell
+ // dpkg to use the same state apt is using for its color support
+ if (_config->FindB("APT::Color", false) == true)
+ setenv("DPKG_COLORS", "always", 0);
+ else
+ setenv("DPKG_COLORS", "never", 0);
+
+ if (dynamic_cast<debSystem*>(_system) != nullptr
+ && dynamic_cast<debSystem*>(_system)->IsLocked() == true) {
+ setenv("DPKG_FRONTEND_LOCKED", "true", 1);
+ }
+ if (_config->Find("DPkg::Path", "").empty() == false)
+ setenv("PATH", _config->Find("DPkg::Path", "").c_str(), 1);
+
+ execvp(Args[0], (char**) &Args[0]);
+ cerr << "Could not exec dpkg!" << endl;
+ _exit(100);
+ }
+
+ // we read from dpkg here
+ int const _dpkgin = fd[0];
+ close(fd[1]); // close the write end of the pipe
+ d->status_fd_reached_end_of_file = false;
+
+ // apply ionice
+ if (_config->FindB("DPkg::UseIoNice", false) == true)
+ ionice(Child);
+
+ // setups fds
+ sigemptyset(&d->sigmask);
+ sigprocmask(SIG_BLOCK,&d->sigmask,&d->original_sigmask);
+
+ /* free vectors (and therefore memory) as we don't need the included data anymore */
+ for (std::vector<char *>::const_iterator p = Packages.begin();
+ p != Packages.end(); ++p)
+ free(*p);
+ Packages.clear();
+
+ // the result of the waitpid call
+ int Status = 0;
+ int res;
+ bool waitpid_failure = false;
+ bool dpkg_finished = false;
+ do
+ {
+ if (dpkg_finished == false)
+ {
+ if ((res = waitpid(Child, &Status, WNOHANG)) == Child)
+ dpkg_finished = true;
+ else if (res < 0)
+ {
+ // error handling, waitpid returned -1
+ if (errno == EINTR)
+ continue;
+ waitpid_failure = true;
+ break;
+ }
+ }
+ if (dpkg_finished && d->status_fd_reached_end_of_file)
+ break;
+
+ // wait for input or output here
+ FD_ZERO(&rfds);
+ if (d->master >= 0 && d->direct_stdin == false && d->stdin_is_dev_null == false)
+ FD_SET(STDIN_FILENO, &rfds);
+ FD_SET(_dpkgin, &rfds);
+ if(d->master >= 0)
+ FD_SET(d->master, &rfds);
+ tv.tv_sec = 0;
+ tv.tv_nsec = d->progress->GetPulseInterval();
+ auto const select_ret = pselect(max(d->master, _dpkgin)+1, &rfds, NULL, NULL,
+ &tv, &d->original_sigmask);
+ d->progress->Pulse();
+ if (select_ret == 0)
+ continue;
+ else if (select_ret < 0 && errno == EINTR)
+ continue;
+ else if (select_ret < 0)
+ {
+ perror("select() returned error");
+ continue;
+ }
+
+ if(d->master >= 0 && FD_ISSET(d->master, &rfds))
+ DoTerminalPty(d->master);
+ if(d->master >= 0 && FD_ISSET(0, &rfds))
+ DoStdin(d->master);
+ if(FD_ISSET(_dpkgin, &rfds))
+ DoDpkgStatusFd(_dpkgin);
+
+ } while (true);
+ close(_dpkgin);
+
+ // Restore sig int/quit
+ signal(SIGQUIT,old_SIGQUIT);
+ signal(SIGINT,old_SIGINT);
+ signal(SIGHUP,old_SIGHUP);
+
+ cleanUpTmpDir(tmpdir_to_free);
+
+ if (waitpid_failure == true)
+ {
+ strprintf(d->dpkg_error, "Sub-process %s couldn't be waited for.",Args[0]);
+ _error->Error("%s", d->dpkg_error.c_str());
+ break;
+ }
+
+ // Check for an error code.
+ if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
+ {
+ // if it was set to "keep-dpkg-running" then we won't return
+ // here but keep the loop going and just report it as a error
+ // for later
+ bool const stopOnError = _config->FindB("Dpkg::StopOnError",true);
+
+ if (WIFSIGNALED(Status) != 0 && WTERMSIG(Status) == SIGSEGV)
+ strprintf(d->dpkg_error, "Sub-process %s received a segmentation fault.",Args[0]);
+ else if (WIFEXITED(Status) != 0)
+ strprintf(d->dpkg_error, "Sub-process %s returned an error code (%u)",Args[0],WEXITSTATUS(Status));
+ else
+ strprintf(d->dpkg_error, "Sub-process %s exited unexpectedly",Args[0]);
+ _error->Error("%s", d->dpkg_error.c_str());
+
+ if(stopOnError)
+ break;
+ }
+ }
+ // dpkg is done at this point
+ StopPtyMagic();
+ CloseLog();
+
+ if (d->dpkg_error.empty() == false)
+ {
+ // no point in resetting packages we already completed removal for
+ StripAlreadyDoneFrom(approvedStates.Remove());
+ StripAlreadyDoneFrom(approvedStates.Purge());
+ APT::StateChanges undo;
+ auto && undoRem = approvedStates.Remove();
+ std::move(undoRem.begin(), undoRem.end(), std::back_inserter(undo.Install()));
+ auto && undoPur = approvedStates.Purge();
+ std::move(undoPur.begin(), undoPur.end(), std::back_inserter(undo.Install()));
+ approvedStates.clear();
+ if (undo.Save(false) == false)
+ _error->Error("Couldn't revert dpkg selection for approved remove/purge after an error was encountered!");
+ }
+
+ StripAlreadyDoneFrom(currentStates.Remove());
+ StripAlreadyDoneFrom(currentStates.Purge());
+ if (currentStates.Save(false) == false)
+ _error->Error("Couldn't restore dpkg selection states which were present before this interaction!");
+
+ if (pkgPackageManager::SigINTStop)
+ _error->Warning(_("Operation was interrupted before it could finish"));
+
+ if (noopDPkgInvocation == false)
+ {
+ if (d->dpkg_error.empty() && (PackagesDone + 1) != PackagesTotal)
+ {
+ std::string pkglist;
+ for (auto const &PO: PackageOps)
+ if (PO.second.size() != PackageOpsDone[PO.first])
+ {
+ if (pkglist.empty() == false)
+ pkglist.append(" ");
+ pkglist.append(PO.first);
+ }
+ /* who cares about correct progress? As we depend on it for skipping actions
+ our parsing should be correct. People will no doubt be confused if they see
+ this message, but the dpkg warning about unknown packages isn't much better
+ from a user POV and combined we might have a chance to figure out what is wrong */
+ _error->Warning("APT had planned for dpkg to do more than it reported back (%u vs %u).\n"
+ "Affected packages: %s", PackagesDone, PackagesTotal, pkglist.c_str());
+ }
+
+ std::string const oldpkgcache = _config->FindFile("Dir::cache::pkgcache");
+ if (oldpkgcache.empty() == false && RealFileExists(oldpkgcache) == true &&
+ RemoveFile("pkgDPkgPM::Go", oldpkgcache))
+ {
+ std::string const srcpkgcache = _config->FindFile("Dir::cache::srcpkgcache");
+ if (srcpkgcache.empty() == false && RealFileExists(srcpkgcache) == true)
+ {
+ _error->PushToStack();
+ pkgCacheFile CacheFile;
+ CacheFile.BuildCaches(NULL, true);
+ _error->RevertToStack();
+ }
+ }
+ }
+
+ // disappearing packages can forward their auto-bit
+ if (disappearedPkgs.empty() == false)
+ Cache.writeStateFile(NULL);
+
+ d->progress->Stop();
+
+ if (RunScripts("DPkg::Post-Invoke") == false)
+ return false;
+
+ return d->dpkg_error.empty();
+}
+
+void SigINT(int /*sig*/) {
+ pkgPackageManager::SigINTStop = true;
+}
+ /*}}}*/
+// pkgDpkgPM::Reset - Dump the contents of the command list /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgDPkgPM::Reset()
+{
+ List.erase(List.begin(),List.end());
+}
+ /*}}}*/
+// pkgDpkgPM::WriteApportReport - write out error report pkg failure /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgDPkgPM::WriteApportReport(const char *pkgpath, const char *errormsg)
+{
+ // If apport doesn't exist or isn't installed do nothing
+ // This e.g. prevents messages in 'universes' without apport
+ pkgCache::PkgIterator apportPkg = Cache.FindPkg("apport");
+ if (apportPkg.end() == true || apportPkg->CurrentVer == 0)
+ return;
+
+ string pkgname, reportfile, pkgver, arch;
+ string::size_type pos;
+ FILE *report;
+
+ if (_config->FindB("Dpkg::ApportFailureReport", true) == false)
+ {
+ std::clog << "configured to not write apport reports" << std::endl;
+ return;
+ }
+
+ // only report the first errors
+ if(pkgFailures > _config->FindI("APT::Apport::MaxReports", 3))
+ {
+ std::clog << _("No apport report written because MaxReports is reached already") << std::endl;
+ return;
+ }
+
+ // check if its not a follow up error
+ const char *needle = dgettext("dpkg", "dependency problems - leaving unconfigured");
+ if(strstr(errormsg, needle) != NULL) {
+ std::clog << _("No apport report written because the error message indicates its a followup error from a previous failure.") << std::endl;
+ return;
+ }
+
+ // do not report disk-full failures
+ if(strstr(errormsg, strerror(ENOSPC)) != NULL) {
+ std::clog << _("No apport report written because the error message indicates a disk full error") << std::endl;
+ return;
+ }
+
+ // do not report out-of-memory failures
+ if(strstr(errormsg, strerror(ENOMEM)) != NULL ||
+ strstr(errormsg, "failed to allocate memory") != NULL) {
+ std::clog << _("No apport report written because the error message indicates a out of memory error") << std::endl;
+ return;
+ }
+
+ // do not report bugs regarding inaccessible local files
+ if(strstr(errormsg, strerror(ENOENT)) != NULL ||
+ strstr(errormsg, "cannot access archive") != NULL) {
+ std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl;
+ return;
+ }
+
+ // do not report errors encountered when decompressing packages
+ if(strstr(errormsg, "--fsys-tarfile returned error exit status 2") != NULL) {
+ std::clog << _("No apport report written because the error message indicates an issue on the local system") << std::endl;
+ return;
+ }
+
+ // do not report dpkg I/O errors, this is a format string, so we compare
+ // the prefix and the suffix of the error with the dpkg error message
+ vector<string> io_errors;
+ io_errors.push_back(string("failed to read"));
+ io_errors.push_back(string("failed to write"));
+ io_errors.push_back(string("failed to seek"));
+ io_errors.push_back(string("unexpected end of file or stream"));
+
+ for (vector<string>::iterator I = io_errors.begin(); I != io_errors.end(); ++I)
+ {
+ vector<string> list = VectorizeString(dgettext("dpkg", (*I).c_str()), '%');
+ if (list.size() > 1) {
+ // we need to split %s, VectorizeString only allows char so we need
+ // to kill the "s" manually
+ if (list[1].size() > 1) {
+ list[1].erase(0, 1);
+ if(strstr(errormsg, list[0].c_str()) &&
+ strstr(errormsg, list[1].c_str())) {
+ std::clog << _("No apport report written because the error message indicates a dpkg I/O error") << std::endl;
+ return;
+ }
+ }
+ }
+ }
+
+ // get the pkgname and reportfile
+ pkgname = flNotDir(pkgpath);
+ pos = pkgname.find('_');
+ if(pos != string::npos)
+ pkgname = pkgname.substr(0, pos);
+
+ // find the package version and source package name
+ pkgCache::PkgIterator Pkg = Cache.FindPkg(pkgname);
+ if (Pkg.end() == true)
+ {
+ if (pos == std::string::npos || _config->FindB("dpkg::install::recursive::numbered", true) == false)
+ return;
+ auto const dash = pkgname.find_first_not_of("0123456789");
+ if (dash == std::string::npos || pkgname[dash] != '-')
+ return;
+ pkgname.erase(0, dash + 1);
+ Pkg = Cache.FindPkg(pkgname);
+ if (Pkg.end() == true)
+ return;
+ }
+ pkgCache::VerIterator Ver = Cache.GetCandidateVersion(Pkg);
+ if (Ver.end() == true)
+ return;
+ pkgver = Ver.VerStr() == NULL ? "unknown" : Ver.VerStr();
+
+ // if the file exists already, we check:
+ // - if it was reported already (touched by apport).
+ // If not, we do nothing, otherwise
+ // we overwrite it. This is the same behaviour as apport
+ // - if we have a report with the same pkgversion already
+ // then we skip it
+ _config->CndSet("Dir::Apport", "var/crash");
+ reportfile = flCombine(_config->FindDir("Dir::Apport", "var/crash"), pkgname+".0.crash");
+ if(FileExists(reportfile))
+ {
+ struct stat buf;
+ char strbuf[255];
+
+ // check atime/mtime
+ stat(reportfile.c_str(), &buf);
+ if(buf.st_mtime > buf.st_atime)
+ return;
+
+ // check if the existing report is the same version
+ report = fopen(reportfile.c_str(),"r");
+ while(fgets(strbuf, sizeof(strbuf), report) != NULL)
+ {
+ if(strstr(strbuf,"Package:") == strbuf)
+ {
+ char pkgname[255], version[255];
+ if(sscanf(strbuf, "Package: %254s %254s", pkgname, version) == 2)
+ if(strcmp(pkgver.c_str(), version) == 0)
+ {
+ fclose(report);
+ return;
+ }
+ }
+ }
+ fclose(report);
+ }
+
+ // now write the report
+ arch = _config->Find("APT::Architecture");
+ report = fopen(reportfile.c_str(),"w");
+ if(report == NULL)
+ return;
+ if(_config->FindB("DPkgPM::InitialReportOnly",false) == true)
+ chmod(reportfile.c_str(), 0);
+ else
+ chmod(reportfile.c_str(), 0600);
+ fprintf(report, "ProblemType: Package\n");
+ fprintf(report, "Architecture: %s\n", arch.c_str());
+ time_t now = time(NULL);
+ char ctime_buf[26]; // need at least 26 bytes according to ctime(3)
+ fprintf(report, "Date: %s" , ctime_r(&now, ctime_buf));
+ fprintf(report, "Package: %s %s\n", pkgname.c_str(), pkgver.c_str());
+ fprintf(report, "SourcePackage: %s\n", Ver.SourcePkgName());
+ fprintf(report, "ErrorMessage:\n %s\n", errormsg);
+
+ // ensure that the log is flushed
+ if(d->term_out)
+ fflush(d->term_out);
+
+ // attach terminal log it if we have it
+ string logfile_name = _config->FindFile("Dir::Log::Terminal", "/dev/null");
+ if (logfile_name != "/dev/null")
+ {
+ FILE *log = NULL;
+
+ fprintf(report, "DpkgTerminalLog:\n");
+ log = fopen(logfile_name.c_str(),"r");
+ if(log != NULL)
+ {
+ char buf[1024];
+ while( fgets(buf, sizeof(buf), log) != NULL)
+ fprintf(report, " %s", buf);
+ fprintf(report, " \n");
+ fclose(log);
+ }
+ }
+
+ // attach history log it if we have it
+ string histfile_name = _config->FindFile("Dir::Log::History", "/dev/null");
+ if (histfile_name != "/dev/null")
+ {
+ fprintf(report, "DpkgHistoryLog:\n");
+ FILE* log = fopen(histfile_name.c_str(),"r");
+ if(log != NULL)
+ {
+ char buf[1024];
+ while( fgets(buf, sizeof(buf), log) != NULL)
+ fprintf(report, " %s", buf);
+ fclose(log);
+ }
+ }
+
+ // log the ordering, see dpkgpm.h and the "Ops" enum there
+ fprintf(report, "AptOrdering:\n");
+ for (auto && I : List)
+ {
+ char const * opstr = nullptr;
+ switch (I.Op)
+ {
+ case Item::Install: opstr = "Install"; break;
+ case Item::Configure: opstr = "Configure"; break;
+ case Item::Remove: opstr = "Remove"; break;
+ case Item::Purge: opstr = "Purge"; break;
+ case Item::ConfigurePending: opstr = "ConfigurePending"; break;
+ case Item::TriggersPending: opstr = "TriggersPending"; break;
+ case Item::RemovePending: opstr = "RemovePending"; break;
+ case Item::PurgePending: opstr = "PurgePending"; break;
+ }
+ auto const pkgname = I.Pkg.end() ? "NULL" : I.Pkg.FullName();
+ fprintf(report, " %s: %s\n", pkgname.c_str(), opstr);
+ }
+
+ // attach dmesg log (to learn about segfaults)
+ if (FileExists("/bin/dmesg"))
+ {
+ fprintf(report, "Dmesg:\n");
+ FILE *log = popen("/bin/dmesg","r");
+ if(log != NULL)
+ {
+ char buf[1024];
+ while( fgets(buf, sizeof(buf), log) != NULL)
+ fprintf(report, " %s", buf);
+ pclose(log);
+ }
+ }
+
+ // attach df -l log (to learn about filesystem status)
+ if (FileExists("/bin/df"))
+ {
+
+ fprintf(report, "Df:\n");
+ FILE *log = popen("/bin/df -l","r");
+ if(log != NULL)
+ {
+ char buf[1024];
+ while( fgets(buf, sizeof(buf), log) != NULL)
+ fprintf(report, " %s", buf);
+ pclose(log);
+ }
+ }
+
+ fclose(report);
+
+}
+ /*}}}*/
diff --git a/apt-pkg/deb/dpkgpm.h b/apt-pkg/deb/dpkgpm.h
new file mode 100644
index 0000000..c073b50
--- /dev/null
+++ b/apt-pkg/deb/dpkgpm.h
@@ -0,0 +1,144 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ DPKG Package Manager - Provide an interface to dpkg
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef PKGLIB_DPKGPM_H
+#define PKGLIB_DPKGPM_H
+
+#include <apt-pkg/macros.h>
+#include <apt-pkg/packagemanager.h>
+#include <apt-pkg/pkgcache.h>
+
+#include <map>
+#include <string>
+#include <vector>
+#include <stdio.h>
+
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/init.h>
+#endif
+
+class pkgDepCache;
+namespace APT { namespace Progress { class PackageManager; } }
+
+#ifndef APT_8_CLEANER_HEADERS
+using std::vector;
+using std::map;
+#endif
+
+class pkgDPkgPMPrivate;
+
+
+class pkgDPkgPM : public pkgPackageManager
+{
+ private:
+ pkgDPkgPMPrivate * const d;
+
+ /** \brief record the disappear action and handle accordingly
+
+ dpkg let packages disappear then they have no files any longer and
+ nothing depends on them. We need to collect this as dpkg as well as
+ APT doesn't know beforehand that the package will disappear, so the
+ only possible option is to tell the user afterwards about it.
+ To enhance the experience we also try to forward the auto-install
+ flag so the disappear-causer(s) are not autoremoved next time -
+ for the transfer to happen the disappeared version needs to depend
+ on the package the flag should be forwarded to and this package
+ needs to declare a Replaces on the disappeared package.
+ \param pkgname Name of the package that disappeared
+ */
+ APT_HIDDEN void handleDisappearAction(std::string const &pkgname);
+ APT_HIDDEN void handleCrossUpgradeAction(std::string const &pkgname);
+
+ protected:
+ int pkgFailures;
+
+ // progress reporting
+ struct DpkgState
+ {
+ const char *state; // the dpkg state (e.g. "unpack")
+ const char *str; // the human readable translation of the state
+ };
+
+ // the dpkg states that the pkg will run through, the string is
+ // the package, the vector contains the dpkg states that the package
+ // will go through
+ std::map<std::string,std::vector<struct DpkgState> > PackageOps;
+ // the dpkg states that are already done; the string is the package
+ // the int is the state that is already done (e.g. a package that is
+ // going to be install is already in state "half-installed")
+ std::map<std::string,unsigned int> PackageOpsDone;
+
+ // progress reporting
+ unsigned int PackagesDone;
+ unsigned int PackagesTotal;
+
+ public:
+ struct Item
+ {
+ enum Ops {Install, Configure, Remove, Purge, ConfigurePending, TriggersPending,
+ RemovePending, PurgePending } Op;
+ std::string File;
+ PkgIterator Pkg;
+ Item(Ops Op,PkgIterator Pkg,std::string File = "") : Op(Op),
+ File(File), Pkg(Pkg) {};
+ Item() {};
+ };
+ protected:
+ std::vector<Item> List;
+
+ // Helpers
+ bool RunScriptsWithPkgs(const char *Cnf);
+ APT_DEPRECATED_MSG("Use SendPkgInfo with the version as parameter instead") bool SendV2Pkgs(FILE *F);
+ bool SendPkgsInfo(FILE * const F, unsigned int const &Version);
+ void WriteHistoryTag(std::string const &tag, std::string value);
+ std::string ExpandShortPackageName(pkgDepCache &Cache,
+ const std::string &short_pkgname);
+
+ // Terminal progress
+ void SendTerminalProgress(float percentage);
+
+ // apport integration
+ void WriteApportReport(const char *pkgpath, const char *errormsg);
+
+ // dpkg log
+ bool OpenLog();
+ bool CloseLog();
+
+ // helper
+ void BuildPackagesProgressMap();
+ void StartPtyMagic();
+ void SetupSlavePtyMagic();
+ void StopPtyMagic();
+
+ // input processing
+ void DoStdin(int master);
+ void DoTerminalPty(int master);
+ void DoDpkgStatusFd(int statusfd);
+ void ProcessDpkgStatusLine(char *line);
+
+ // The Actual installation implementation
+ virtual bool Install(PkgIterator Pkg,std::string File) APT_OVERRIDE;
+ virtual bool Configure(PkgIterator Pkg) APT_OVERRIDE;
+ virtual bool Remove(PkgIterator Pkg,bool Purge = false) APT_OVERRIDE;
+
+ virtual bool Go(APT::Progress::PackageManager *progress) APT_OVERRIDE;
+ APT_DEPRECATED_MSG("Use overload with explicit progress manager") virtual bool Go(int StatusFd=-1) APT_OVERRIDE;
+
+ virtual void Reset() APT_OVERRIDE;
+
+ public:
+
+ pkgDPkgPM(pkgDepCache *Cache);
+ virtual ~pkgDPkgPM();
+
+ APT_HIDDEN static bool ExpandPendingCalls(std::vector<Item> &List, pkgDepCache &Cache);
+};
+
+void SigINT(int sig);
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 21:31:34 +0000