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 pkgCacheListParser * debStatusIndex::CreateListParser(FileFd &Pkg)
 150 {
 151    if (Pkg.IsOpen() == false)
 152       return NULL;
 153    _error->PushToStack();
 154    pkgCacheListParser * const Parser = new debStatusListParser(&Pkg);
 155    bool const newError = _error->PendingError();
 156    _error->MergeWithStack();
 157    return newError ? NULL : Parser;
 158 }
 159                                                                         /*}}}*/
 160 // DebPkgFile Index - a single .deb file as an index                    /*{{{*/
 161 debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile)
 162    : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile)
 163 {
 164 }
 165 bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile)
 166 {
 167    struct stat Buf;
 168    if (stat(debfile.c_str(), &Buf) != 0)
 169       return false;
 170
 171    // get the control data out of the deb file via dpkg-deb -I
 172    std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb");
 173    std::vector<const char *> Args;
 174    Args.push_back(dpkg.c_str());
 175    Args.push_back("-I");
 176    Args.push_back(debfile.c_str());
 177    Args.push_back("control");
 178    Args.push_back(NULL);
 179    FileFd PipeFd;
 180    pid_t Child;
 181    if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false)
 182       return _error->Error("Popen failed");
 183
 184    char buffer[1024];
 185    do {
 186       unsigned long long actual = 0;
 187       if (PipeFd.Read(buffer, sizeof(buffer)-1, &actual) == false)
 188          return _error->Errno("read", "Failed to read dpkg pipe");
 189       if (actual == 0)
 190          break;
 191       buffer[actual] = '\0';
 192       content << buffer;
 193    } while(true);
 194    ExecWait(Child, "Popen");
 195
 196    content << "Filename: " << debfile << "\n";
 197    content << "Size: " << Buf.st_size << "\n";
 198
 199    return true;
 200 }
 201 bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
 202 {
 203    // write the control data to a tempfile
 204    if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL)
 205       return false;
 206    std::ostringstream content;
 207    if (GetContent(content, FileName) == false)
 208       return false;
 209    std::string const contentstr = content.str();
 210    if (contentstr.empty())
 211       return true;
 212    if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false)
 213       return false;
 214    return true;
 215 }
 216 pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg)
 217 {
 218    if (Pkg.IsOpen() == false)
 219       return NULL;
 220    _error->PushToStack();
 221    pkgCacheListParser * const Parser = new debDebFileParser(&Pkg, DebFile);
 222    bool const newError = _error->PendingError();
 223    _error->MergeWithStack();
 224    return newError ? NULL : Parser;
 225 }
 226 uint8_t debDebPkgFileIndex::GetIndexFlags() const
 227 {
 228    return pkgCache::Flag::LocalSource;
 229 }
 230 std::string debDebPkgFileIndex::GetArchitecture() const
 231 {
 232    return std::string();
 233 }
 234 std::string debDebPkgFileIndex::GetComponent() const
 235 {
 236    return "local-deb";
 237 }
 238 pkgCache::PkgFileIterator debDebPkgFileIndex::FindInCache(pkgCache &Cache) const
 239 {
 240    std::string const FileName = IndexFileName();
 241    pkgCache::PkgFileIterator File = Cache.FileBegin();
 242    for (; File.end() == false; ++File)
 243    {
 244        if (File.FileName() == NULL || FileName != File.FileName())
 245          continue;
 246       // we can't do size checks here as file size != content size
 247       return File;
 248    }
 249
 250    return File;
 251 }
 252
 253                                                                         /*}}}*/
 254 // DscFile Index - a single .dsc file as an index                       /*{{{*/
 255 debDscFileIndex::debDscFileIndex(std::string const &DscFile)
 256    : pkgDebianIndexRealFile(DscFile, true), d(NULL)
 257 {
 258 }
 259 pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const
 260 {
 261    if (Exists() == false)
 262       return NULL;
 263    return new debDscRecordParser(File, this);
 264 }
 265                                                                         /*}}}*/
 266
 267 // Index File types for Debian                                          /*{{{*/
 268 class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type
 269 {
 270    public:
 271    debIFTypeSrc() {Label = "Debian Source Index";};
 272 };
 273 class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type
 274 {
 275    public:
 276    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 277    {
 278       return new debRecordParser(File.FileName(),*File.Cache());
 279    };
 280    debIFTypePkg() {Label = "Debian Package Index";};
 281 };
 282 class APT_HIDDEN debIFTypeTrans : public debIFTypePkg
 283 {
 284    public:
 285    debIFTypeTrans() {Label = "Debian Translation Index";};
 286 };
 287 class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type
 288 {
 289    public:
 290    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 291    {
 292       return new debRecordParser(File.FileName(),*File.Cache());
 293    };
 294    debIFTypeStatus() {Label = "Debian dpkg status file";};
 295 };
 296 class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type
 297 {
 298    public:
 299    virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
 300    {
 301       return new debDebFileRecordParser(File.FileName());
 302    };
 303    debIFTypeDebPkgFile() {Label = "Debian deb file";};
 304 };
 305 class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type
 306 {
 307    public:
 308    virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE
 309    {
 310       return new debDscRecordParser(DscFile, NULL);
 311    };
 312    debIFTypeDscFile() {Label = "Debian dsc file";};
 313 };
 314 class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type
 315 {
 316    public:
 317    virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE
 318    {
 319       return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL);
 320    };
 321    debIFTypeDebianSourceDir() {Label = "Debian control file";};
 322 };
 323
 324 APT_HIDDEN debIFTypeSrc _apt_Src;
 325 APT_HIDDEN debIFTypePkg _apt_Pkg;
 326 APT_HIDDEN debIFTypeTrans _apt_Trans;
 327 APT_HIDDEN debIFTypeStatus _apt_Status;
 328 APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile;
 329 // file based pseudo indexes
 330 APT_HIDDEN debIFTypeDscFile _apt_DscFile;
 331 APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir;
 332
 333 const pkgIndexFile::Type *debSourcesIndex::GetType() const
 334 {
 335    return &_apt_Src;
 336 }
 337 const pkgIndexFile::Type *debPackagesIndex::GetType() const
 338 {
 339    return &_apt_Pkg;
 340 }
 341 const pkgIndexFile::Type *debTranslationsIndex::GetType() const
 342 {
 343    return &_apt_Trans;
 344 }
 345 const pkgIndexFile::Type *debStatusIndex::GetType() const
 346 {
 347    return &_apt_Status;
 348 }
 349 const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const
 350 {
 351    return &_apt_DebPkgFile;
 352 }
 353 const pkgIndexFile::Type *debDscFileIndex::GetType() const
 354 {
 355    return &_apt_DscFile;
 356 }
 357 const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const
 358 {
 359    return &_apt_DebianSourceDir;
 360 }
 361                                                                         /*}}}*/
 362
 363 debStatusIndex::~debStatusIndex() {}
 364 debPackagesIndex::~debPackagesIndex() {}
 365 debTranslationsIndex::~debTranslationsIndex() {}
 366 debSourcesIndex::~debSourcesIndex() {}
 367
 368 debDebPkgFileIndex::~debDebPkgFileIndex() {}
 369 debDscFileIndex::~debDscFileIndex() {}