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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Index File - Abstraction for an index of archive/source file.
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <config.h>
#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/macros.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/progress.h>
#include <apt-pkg/srcrecords.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/debindexfile.h>
#include <sys/stat.h>
#include <clocale>
#include <cstring>
#include <memory>
#include <string>
#include <vector>
/*}}}*/
// Global list of Item supported
static pkgIndexFile::Type *ItmList[10];
pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList;
unsigned long pkgIndexFile::Type::GlobalListLen = 0;
// Type::Type - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgIndexFile::Type::Type()
{
ItmList[GlobalListLen] = this;
GlobalListLen++;
Label = NULL;
}
/*}}}*/
// Type::GetType - Locate the type by name /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type)
{
for (unsigned I = 0; I != GlobalListLen; I++)
if (strcmp(GlobalList[I]->Label,Type) == 0)
return GlobalList[I];
return 0;
}
/*}}}*/
pkgIndexFile::pkgIndexFile(bool const Trusted) : /*{{{*/
d(NULL), Trusted(Trusted)
{
}
/*}}}*/
// IndexFile::ArchiveInfo - Stub /*{{{*/
std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &Ver) const
{
debDebPkgFileIndex const * const debfile = dynamic_cast<debDebPkgFileIndex const*>(this);
if (debfile != nullptr)
return debfile->ArchiveInfo_impl(Ver);
return std::string();
}
/*}}}*/
// IndexFile::FindInCache - Stub /*{{{*/
pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
{
return pkgCache::PkgFileIterator(Cache);
}
/*}}}*/
// IndexFile::SourceIndex - Stub /*{{{*/
std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/*Record*/,
pkgSrcRecords::File const &/*File*/) const
{
return std::string();
}
/*}}}*/
// IndexFile::TranslationsAvailable - Check if will use Translation /*{{{*/
bool pkgIndexFile::TranslationsAvailable() {
return (APT::Configuration::getLanguages().empty() != true);
}
/*}}}*/
// IndexFile::CheckLanguageCode - Check the Language Code /*{{{*/
bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
{
if (strlen(Lang) == 2 || (strlen(Lang) == 5 && Lang[2] == '_'))
return true;
if (strcmp(Lang,"C") != 0)
_error->Warning("Wrong language code %s", Lang);
return false;
}
/*}}}*/
// IndexFile::LanguageCode - Return the Language Code /*{{{*/
std::string pkgIndexFile::LanguageCode() {
APT_IGNORE_DEPRECATED_PUSH
if (TranslationsAvailable() == false)
return "";
return APT::Configuration::getLanguages()[0];
APT_IGNORE_DEPRECATED_POP
}
/*}}}*/
// IndexTarget - Constructor /*{{{*/
IndexTarget::IndexTarget(std::string const &MetaKey, std::string const &ShortDesc,
std::string const &LongDesc, std::string const &URI, bool const IsOptional,
bool const KeepCompressed, std::map<std::string, std::string> const &Options) :
URI(URI), Description(LongDesc), ShortDesc(ShortDesc), MetaKey(MetaKey),
IsOptional(IsOptional), KeepCompressed(KeepCompressed), Options(Options)
{
}
/*}}}*/
std::string IndexTarget::Option(OptionKeys const EnumKey) const /*{{{*/
{
std::string Key;
switch (EnumKey)
{
#define APT_CASE(X) case X: Key = #X; break
APT_CASE(SITE);
APT_CASE(RELEASE);
APT_CASE(COMPONENT);
APT_CASE(LANGUAGE);
APT_CASE(ARCHITECTURE);
APT_CASE(BASE_URI);
APT_CASE(REPO_URI);
APT_CASE(IDENTIFIER);
APT_CASE(TARGET_OF);
APT_CASE(CREATED_BY);
APT_CASE(FALLBACK_OF);
APT_CASE(PDIFFS);
APT_CASE(DEFAULTENABLED);
APT_CASE(COMPRESSIONTYPES);
APT_CASE(SOURCESENTRY);
APT_CASE(BY_HASH);
APT_CASE(KEEPCOMPRESSEDAS);
APT_CASE(ALLOW_INSECURE);
APT_CASE(ALLOW_WEAK);
APT_CASE(ALLOW_DOWNGRADE_TO_INSECURE);
APT_CASE(INRELEASE_PATH);
#undef APT_CASE
case FILENAME:
{
auto const M = Options.find("FILENAME");
if (M == Options.end())
return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
return M->second;
}
case EXISTING_FILENAME:
std::string const filename = Option(FILENAME);
std::vector<std::string> const types = VectorizeString(Option(COMPRESSIONTYPES), ' ');
for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
{
if (t->empty())
continue;
std::string const file = (*t == "uncompressed") ? filename : (filename + "." + *t);
if (FileExists(file))
return file;
}
return "";
}
std::map<std::string,std::string>::const_iterator const M = Options.find(Key);
if (M == Options.end())
return "";
return M->second;
}
/*}}}*/
bool IndexTarget::OptionBool(OptionKeys const EnumKey) const /*{{{*/
{
return StringToBool(Option(EnumKey), false);
}
/*}}}*/
std::string IndexTarget::Format(std::string format) const /*{{{*/
{
for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
{
format = SubstVar(format, std::string("$(") + O->first + ")", O->second);
}
format = SubstVar(format, "$(METAKEY)", MetaKey);
format = SubstVar(format, "$(SHORTDESC)", ShortDesc);
format = SubstVar(format, "$(DESCRIPTION)", Description);
format = SubstVar(format, "$(URI)", URI);
format = SubstVar(format, "$(FILENAME)", Option(IndexTarget::FILENAME));
return format;
}
/*}}}*/
pkgDebianIndexTargetFile::pkgDebianIndexTargetFile(IndexTarget const &Target, bool const Trusted) :/*{{{*/
pkgDebianIndexFile(Trusted), d(NULL), Target(Target)
{
}
/*}}}*/
std::string pkgDebianIndexTargetFile::ArchiveURI(std::string const &File) const/*{{{*/
{
return Target.Option(IndexTarget::REPO_URI) + File;
}
/*}}}*/
std::string pkgDebianIndexTargetFile::Describe(bool const Short) const /*{{{*/
{
if (Short)
return Target.Description;
return Target.Description + " (" + IndexFileName() + ")";
}
/*}}}*/
std::string pkgDebianIndexTargetFile::IndexFileName() const /*{{{*/
{
std::string const s = Target.Option(IndexTarget::FILENAME);
if (FileExists(s))
return s;
std::vector<std::string> const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
{
std::string p = s + '.' + *t;
if (FileExists(p))
return p;
}
return s;
}
/*}}}*/
unsigned long pkgDebianIndexTargetFile::Size() const /*{{{*/
{
unsigned long size = 0;
/* we need to ignore errors here; if the lists are absent, just return 0 */
_error->PushToStack();
FileFd f(IndexFileName(), FileFd::ReadOnly, FileFd::Extension);
if (!f.Failed())
size = f.Size();
if (_error->PendingError() == true)
size = 0;
_error->RevertToStack();
return size;
}
/*}}}*/
bool pkgDebianIndexTargetFile::Exists() const /*{{{*/
{
return FileExists(IndexFileName());
}
/*}}}*/
std::string pkgDebianIndexTargetFile::GetArchitecture() const /*{{{*/
{
return Target.Option(IndexTarget::ARCHITECTURE);
}
/*}}}*/
std::string pkgDebianIndexTargetFile::GetComponent() const /*{{{*/
{
return Target.Option(IndexTarget::COMPONENT);
}
/*}}}*/
bool pkgDebianIndexTargetFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/
{
if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
return _error->Error("Problem opening %s",FileName.c_str());
return true;
}
/*}}}*/
std::string pkgDebianIndexTargetFile::GetProgressDescription() const
{
return Target.Description;
}
IndexTarget pkgDebianIndexTargetFile::GetIndexTarget() const
{
return Target;
}
pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &pFile, bool const Trusted) :/*{{{*/
pkgDebianIndexFile(Trusted), d(NULL)
{
if (pFile.empty())
;
else if (pFile == "/nonexistent/stdin")
File = pFile;
else
File = flAbsPath(pFile);
}
/*}}}*/
// IndexRealFile::Size - Return the size of the index /*{{{*/
unsigned long pkgDebianIndexRealFile::Size() const
{
struct stat S;
if (stat(File.c_str(),&S) != 0)
return 0;
return S.st_size;
}
/*}}}*/
bool pkgDebianIndexRealFile::Exists() const /*{{{*/
{
return FileExists(File);
}
/*}}}*/
std::string pkgDebianIndexRealFile::Describe(bool const /*Short*/) const/*{{{*/
{
return File;
}
/*}}}*/
std::string pkgDebianIndexRealFile::ArchiveURI(std::string const &/*File*/) const/*{{{*/
{
return "file:" + File;
}
/*}}}*/
std::string pkgDebianIndexRealFile::IndexFileName() const /*{{{*/
{
return File;
}
/*}}}*/
std::string pkgDebianIndexRealFile::GetProgressDescription() const
{
return File;
}
bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/
{
if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
return _error->Error("Problem opening %s",FileName.c_str());
return true;
}
/*}}}*/
pkgDebianIndexFile::pkgDebianIndexFile(bool const Trusted) : pkgIndexFile(Trusted)
{
}
pkgDebianIndexFile::~pkgDebianIndexFile()
{
}
pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg)
{
if (Pkg.IsOpen() == false)
return nullptr;
_error->PushToStack();
std::unique_ptr<pkgCacheListParser> Parser(new debListParser(&Pkg));
bool const newError = _error->PendingError();
_error->MergeWithStack();
return newError ? nullptr : Parser.release();
}
bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
{
std::string const PackageFile = IndexFileName();
FileFd Pkg;
if (OpenListFile(Pkg, PackageFile) == false)
return false;
_error->PushToStack();
std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg));
bool const newError = _error->PendingError();
_error->MergeWithStack();
if (newError == false && Parser == nullptr)
return true;
if (Parser == NULL)
return false;
if (Prog != NULL)
Prog->SubProgress(0, GetProgressDescription());
if (Gen.SelectFile(PackageFile, *this, GetArchitecture(), GetComponent(), GetIndexFlags()) == false)
return _error->Error("Problem with SelectFile %s",PackageFile.c_str());
// Store the IMS information
pkgCache::PkgFileIterator File = Gen.GetCurFile();
pkgCacheGenerator::Dynamic<pkgCache::PkgFileIterator> DynFile(File);
File->Size = Pkg.FileSize();
File->mtime = Pkg.ModificationTime();
if (Gen.MergeList(*Parser) == false)
return _error->Warning("Problem with MergeList %s",PackageFile.c_str());
return true;
}
pkgCache::PkgFileIterator pkgDebianIndexFile::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;
struct stat St;
if (stat(File.FileName(),&St) != 0)
{
if (_config->FindB("Debug::pkgCacheGen", false))
std::clog << "DebianIndexFile::FindInCache - stat failed on " << File.FileName() << std::endl;
return pkgCache::PkgFileIterator(Cache);
}
if ((map_filesize_t)St.st_size != File->Size || St.st_mtime != File->mtime)
{
if (_config->FindB("Debug::pkgCacheGen", false))
std::clog << "DebianIndexFile::FindInCache - size (" << St.st_size << " <> " << File->Size
<< ") or mtime (" << St.st_mtime << " <> " << File->mtime
<< ") doesn't match for " << File.FileName() << std::endl;
return pkgCache::PkgFileIterator(Cache);
}
return File;
}
return File;
}
pkgIndexFile::~pkgIndexFile() {}
pkgDebianIndexTargetFile::~pkgDebianIndexTargetFile() {}
pkgDebianIndexRealFile::~pkgDebianIndexRealFile() {}
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