apt-pkg/deb/debindexfile.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
   4 /* ######################################################################
   5
   6    Debian Specific sources.list types and the three sorts of Debian
   7    index files.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #include <config.h>
  13
  14 #include <apt-pkg/debindexfile.h>
  15 #include <apt-pkg/debsrcrecords.h>
  16 #include <apt-pkg/deblistparser.h>
  17 #include <apt-pkg/debrecords.h>
  18 #include <apt-pkg/configuration.h>
  19 #include <apt-pkg/error.h>
  20 #include <apt-pkg/fileutl.h>
  21 #include <apt-pkg/indexfile.h>
  22 #include <apt-pkg/pkgcache.h>
  23 #include <apt-pkg/cacheiterators.h>
  24 #include <apt-pkg/pkgrecords.h>
  25 #include <apt-pkg/srcrecords.h>
  26
  27 #include <stdio.h>
  28 #include <iostream>
  29 #include <string>
  30 #include <sstream>
  31
  32 #include <sys/stat.h>
  33                                                                         /*}}}*/
  34
  35 // Sources Index                                                        /*{{{*/
  36 debSourcesIndex::debSourcesIndex(IndexTarget const &Target,bool const Trusted) :
  37      pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
  38 {
  39 }
  40 std::string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
  41                                    pkgSrcRecords::File const &File) const
  42 {
  43    // The result looks like: http://foo/debian/ stable/main src 1.1.1 (dsc)
  44    std::string Res = Target.Description;
  45    Res.erase(Target.Description.rfind(' '));
  46
  47    Res += " ";
  48    Res += Record.Package();
  49    Res += " ";
  50    Res += Record.Version();
  51    if (File.Type.empty() == false)
  52       Res += " (" + File.Type + ")";
  53    return Res;
  54 }
  55 pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
  56 {
  57    std::string const SourcesURI = IndexFileName();
  58    if (FileExists(SourcesURI))
  59       return new debSrcRecordParser(SourcesURI, this);
  60    return NULL;
  61 }
  62 bool debSourcesIndex::OpenListFile(FileFd &, std::string const &)
  63 {
  64    return true;
  65 }
  66 pkgCacheListParser * debSourcesIndex::CreateListParser(FileFd &)
  67 {
  68    return NULL;
  69 }
  70 uint8_t debSourcesIndex::GetIndexFlags() const
  71 {
  72    return 0;
  73 }
  74                                                                         /*}}}*/
  75 // Packages Index                                                       /*{{{*/
  76 debPackagesIndex::debPackagesIndex(IndexTarget const &Target, bool const Trusted) :
  77                   pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
  78 {
  79 }
  80 std::string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator const &Ver) const
  81 {
  82    std::string Res = Target.Description;
  83    Res.erase(Target.Description.rfind(' '));
  84
  85    Res += " ";
  86    Res += Ver.ParentPkg().Name();
  87    Res += " ";
  88    std::string const Dist = Target.Option(IndexTarget::RELEASE);
  89    if (Dist.empty() == false && Dist[Dist.size() - 1] != '/')
  90       Res.append(Ver.Arch()).append(" ");
  91    Res += Ver.VerStr();
  92    return Res;
  93 }
  94 uint8_t debPackagesIndex::GetIndexFlags() const
  95 {
  96    return 0;
  97 }
  98                                                                         /*}}}*/
  99 // Translation-* Index                                                  /*{{{*/
 100 debTranslationsIndex::debTranslationsIndex(IndexTarget const &Target) :
 101                         pkgDebianIndexTargetFile(Target, true), d(NULL)
 102 {}
 103 bool debTranslationsIndex::HasPackages() const
 104 {
 105    return Exists();
 106 }
 107 bool debTranslationsIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
 108 {
 109    if (FileExists(FileName))
 110       return pkgDebianIndexTargetFile::OpenListFile(Pkg, FileName);
 111    return true;
 112 }
 113 uint8_t debTranslationsIndex::GetIndexFlags() const
 114 {
 115    return pkgCache::Flag::NotSource | pkgCache::Flag::NoPackages;
 116 }
 117 std::string debTranslationsIndex::GetArchitecture() const
 118 {
 119    return std::string();
 120 }
 121 pkgCacheListParser * debTranslationsIndex::CreateListParser(FileFd &Pkg)
 122 {
 123    if (Pkg.IsOpen() == false)
 124       return NULL;
 125    _error->PushToStack();
 126    pkgCacheListParser * const Parser = new debTranslationsParser(&Pkg);
 127    bool const newError = _error->PendingError();
 128    _error->MergeWithStack();
 129    return newError ? NULL : Parser;
 130 }
 131                                                                         /*}}}*/
 132 // dpkg/status Index                                                    /*{{{*/
 133 debStatusIndex::debStatusIndex(std::string const &File) : pkgDebianIndexRealFile(File, true), d(NULL)
 134 {
 135 }
 136 std::string debStatusIndex::GetArchitecture() const
 137 {
 138    return std::string();
 139 }
 140 std::string debStatusIndex::GetComponent() const
 141 {
 142    return "now";
 143 }
 144 uint8_t debStatusIndex::GetIndexFlags() const
 145 {
 146    return pkgCache::Flag::NotSource;
 147 }
 148                                                                         /*}}}*/
 149 // DebPkgFile Index - a single .deb file as an index                    /*{{{*/
 150 debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile)
 151    : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile)
 152 {
 153 }
 154 bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile)
 155 {
 156    struct stat Buf;
 157    if (stat(debfile.c_str(), &Buf) != 0)
 158       return false;
 159
 160    // get the control data out of the deb file via dpkg-deb -I
 161    std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb");
 162    std::vector<const char *> Args;
 163    Args.push_back(dpkg.c_str());
 164    Args.push_back("-I");
 165    Args.push_back(debfile.c_str());
 166    Args.push_back("control");
 167    Args.push_back(NULL);
 168    FileFd PipeFd;
 169    pid_t Child;
 170    if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false)
 171       return _error->Error("Popen failed");
 172
 173    char buffer[1024];
 174    do {
 175       unsigned long long actual = 0;
 176       if (PipeFd.Read(buffer, sizeof(buffer)-1, &actual) == false)
 177          return _error->Errno("read", "Failed to read dpkg pipe");
 178       if (actual == 0)
 179          break;
 180       buffer[actual] = '\0';
 181       content << buffer;
 182    } while(true);
 183    ExecWait(Child, "Popen");
 184
 185    content << "Filename: " << debfile << "\n";
 186    content << "Size: " << Buf.st_size << "\n";
 187
 188    return true;
 189 }
 190 bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
 191 {
 192    // write the control data to a tempfile
 193    if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL)
 194       return false;
 195    std::ostringstream content;
 196    if (GetContent(content, FileName) == false)
 197       return false;
 198    std::string const contentstr = content.str();
 199    if (contentstr.empty())
 200       return true;
 201    if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false)
 202       return false;
 203    return true;
 204 }
 205 pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg)
 206 {
 207    if (Pkg.IsOpen() == false)
 208       return NULL;
 209    _error->PushToStack();
 210    pkgCacheListParser * const Parser = new debDebFileParser(&Pkg, DebFile);
 211    bool const newError = _error->PendingError();
 212    _error->MergeWithStack();
 213    return newError ? NULL : Parser;
 214 }
 215 uint8_t debDebPkgFileIndex::GetIndexFlags() const
 216 {
 217    return pkgCache::Flag::LocalSource;
 218 }
 219 std::string debDebPkgFileIndex::GetArchitecture() const
 220 {
 221    return std::string();
 222 }
 223 std::string debDebPkgFileIndex::GetComponent() const
 224 {
 225    return "local-deb";
 226 }
 227 pkgCache::PkgFileIterator debDebPkgFileIndex::FindInCache(pkgCache &Cache) const
 228 {
 229    std::string const FileName = IndexFileName();
 230    pkgCache::PkgFileIterator File = Cache.FileBegin();
 231    for (; File.end() == false; ++File)
 232    {
 233        if (File.FileName() == NULL || FileName != File.FileName())
 234          continue;
 235       // we can't do size checks here as file size != content size
 236       return File;
 237    }
 238
 239    return File;
 240 }
 241
 242                                                                         /*}}}*/
 243 // DscFile Index - a single .dsc file as an index                       /*{{{*/
 244 debDscFileIndex::debDscFileIndex(std::string const &DscFile)
 245    : pkgDebianIndexRealFile(DscFile, true), d(NULL)
 246 {
 247 }
 248 pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const
 249 {
 250    if (Exists() == false)
 251       return NULL;
 252    return new debDscRecordParser(File, this);
 253 }
 254                                                                         /*}}}*/
 255
 256 // Index File types for Debian                                          /*{{{*/
 257 class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type
 258 {
 259    public:
 260    debIFTypeSrc() {Label = "Debian Source Index";};
 261 };
 262 class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type
 263 {
 264    public:
 265    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 266    {
 267       return new debRecordParser(File.FileName(),*File.Cache());
 268    };
 269    debIFTypePkg() {Label = "Debian Package Index";};
 270 };
 271 class APT_HIDDEN debIFTypeTrans : public debIFTypePkg
 272 {
 273    public:
 274    debIFTypeTrans() {Label = "Debian Translation Index";};
 275 };
 276 class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type
 277 {
 278    public:
 279    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 280    {
 281       return new debRecordParser(File.FileName(),*File.Cache());
 282    };
 283    debIFTypeStatus() {Label = "Debian dpkg status file";};
 284 };
 285 class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type
 286 {
 287    public:
 288    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 289    {
 290       return new debDebFileRecordParser(File.FileName());
 291    };
 292    debIFTypeDebPkgFile() {Label = "Debian deb file";};
 293 };
 294 class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type
 295 {
 296    public:
 297    virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE
 298    {
 299       return new debDscRecordParser(DscFile, NULL);
 300    };
 301    debIFTypeDscFile() {Label = "Debian dsc file";};
 302 };
 303 class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type
 304 {
 305    public:
 306    virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE
 307    {
 308       return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL);
 309    };
 310    debIFTypeDebianSourceDir() {Label = "Debian control file";};
 311 };
 312
 313 APT_HIDDEN debIFTypeSrc _apt_Src;
 314 APT_HIDDEN debIFTypePkg _apt_Pkg;
 315 APT_HIDDEN debIFTypeTrans _apt_Trans;
 316 APT_HIDDEN debIFTypeStatus _apt_Status;
 317 APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile;
 318 // file based pseudo indexes
 319 APT_HIDDEN debIFTypeDscFile _apt_DscFile;
 320 APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir;
 321
 322 const pkgIndexFile::Type *debSourcesIndex::GetType() const
 323 {
 324    return &_apt_Src;
 325 }
 326 const pkgIndexFile::Type *debPackagesIndex::GetType() const
 327 {
 328    return &_apt_Pkg;
 329 }
 330 const pkgIndexFile::Type *debTranslationsIndex::GetType() const
 331 {
 332    return &_apt_Trans;
 333 }
 334 const pkgIndexFile::Type *debStatusIndex::GetType() const
 335 {
 336    return &_apt_Status;
 337 }
 338 const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const
 339 {
 340    return &_apt_DebPkgFile;
 341 }
 342 const pkgIndexFile::Type *debDscFileIndex::GetType() const
 343 {
 344    return &_apt_DscFile;
 345 }
 346 const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const
 347 {
 348    return &_apt_DebianSourceDir;
 349 }
 350                                                                         /*}}}*/
 351
 352 debStatusIndex::~debStatusIndex() {}
 353 debPackagesIndex::~debPackagesIndex() {}
 354 debTranslationsIndex::~debTranslationsIndex() {}
 355 debSourcesIndex::~debSourcesIndex() {}
 356
 357 debDebPkgFileIndex::~debDebPkgFileIndex() {}
 358 debDscFileIndex::~debDscFileIndex() {}