apt-pkg/deb/debmetaindex.cc

   1 #include <config.h>
   2
   3 #include <apt-pkg/debmetaindex.h>
   4 #include <apt-pkg/debindexfile.h>
   5 #include <apt-pkg/strutl.h>
   6 #include <apt-pkg/fileutl.h>
   7 #include <apt-pkg/acquire-item.h>
   8 #include <apt-pkg/configuration.h>
   9 #include <apt-pkg/aptconfiguration.h>
  10 #include <apt-pkg/indexrecords.h>
  11 #include <apt-pkg/sourcelist.h>
  12 #include <apt-pkg/hashes.h>
  13 #include <apt-pkg/macros.h>
  14 #include <apt-pkg/metaindex.h>
  15
  16 #include <string.h>
  17 #include <map>
  18 #include <string>
  19 #include <utility>
  20 #include <vector>
  21 #include <set>
  22 #include <algorithm>
  23
  24 using namespace std;
  25
  26 string debReleaseIndex::Info(const char *Type, string const &Section, string const &Arch) const
  27 {
  28    string Info = ::URI::SiteOnly(URI) + ' ';
  29    if (Dist[Dist.size() - 1] == '/')
  30    {
  31       if (Dist != "/")
  32          Info += Dist;
  33    }
  34    else
  35    {
  36       Info += Dist + '/' + Section;
  37       if (Arch.empty() != true)
  38          Info += " " + Arch;
  39    }
  40    Info += " ";
  41    Info += Type;
  42    return Info;
  43 }
  44
  45 string debReleaseIndex::MetaIndexInfo(const char *Type) const
  46 {
  47    string Info = ::URI::SiteOnly(URI) + ' ';
  48    if (Dist[Dist.size() - 1] == '/')
  49    {
  50       if (Dist != "/")
  51          Info += Dist;
  52    }
  53    else
  54       Info += Dist;
  55    Info += " ";
  56    Info += Type;
  57    return Info;
  58 }
  59
  60 string debReleaseIndex::MetaIndexFile(const char *Type) const
  61 {
  62    return _config->FindDir("Dir::State::lists") +
  63       URItoFileName(MetaIndexURI(Type));
  64 }
  65
  66 string debReleaseIndex::MetaIndexURI(const char *Type) const
  67 {
  68    string Res;
  69
  70    if (Dist == "/")
  71       Res = URI;
  72    else if (Dist[Dist.size()-1] == '/')
  73       Res = URI + Dist;
  74    else
  75       Res = URI + "dists/" + Dist + "/";
  76
  77    Res += Type;
  78    return Res;
  79 }
  80
  81 std::string debReleaseIndex::LocalFileName() const
  82 {
  83    // see if we have a InRelease file
  84    std::string PathInRelease =  MetaIndexFile("InRelease");
  85    if (FileExists(PathInRelease))
  86       return PathInRelease;
  87
  88    // and if not return the normal one
  89    if (FileExists(PathInRelease))
  90       return MetaIndexFile("Release");
  91
  92    return "";
  93 }
  94
  95 string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const
  96 {
  97    string Res ="";
  98    if (Dist[Dist.size() - 1] != '/')
  99    {
 100       if (Arch == "native")
 101          Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/';
 102       else
 103          Res += Section + "/binary-" + Arch + '/';
 104    }
 105    return Res + Type;
 106 }
 107
 108
 109 string debReleaseIndex::IndexURI(const char *Type, string const &Section, string const &Arch) const
 110 {
 111    if (Dist[Dist.size() - 1] == '/')
 112    {
 113       string Res;
 114       if (Dist != "/")
 115          Res = URI + Dist;
 116       else
 117          Res = URI;
 118       return Res + Type;
 119    }
 120    else
 121       return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section, Arch);
 122  }
 123
 124 string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string &Section) const
 125 {
 126    string Res ="";
 127    if (Dist[Dist.size() - 1] != '/')
 128       Res += Section + "/source/";
 129    return Res + Type;
 130 }
 131
 132 string debReleaseIndex::SourceIndexURI(const char *Type, const string &Section) const
 133 {
 134    string Res;
 135    if (Dist[Dist.size() - 1] == '/')
 136    {
 137       if (Dist != "/")
 138          Res = URI + Dist;
 139       else
 140          Res = URI;
 141       return Res + Type;
 142    }
 143    else
 144       return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section);
 145 }
 146
 147 string debReleaseIndex::TranslationIndexURISuffix(const char *Type, const string &Section) const
 148 {
 149    string Res ="";
 150    if (Dist[Dist.size() - 1] != '/')
 151       Res += Section + "/i18n/Translation-";
 152    return Res + Type;
 153 }
 154
 155 string debReleaseIndex::TranslationIndexURI(const char *Type, const string &Section) const
 156 {
 157    string Res;
 158    if (Dist[Dist.size() - 1] == '/')
 159    {
 160       if (Dist != "/")
 161          Res = URI + Dist;
 162       else
 163          Res = URI;
 164       return Res + Type;
 165    }
 166    else
 167       return URI + "dists/" + Dist + "/" + TranslationIndexURISuffix(Type, Section);
 168 }
 169
 170 debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) :
 171                                         metaIndex(URI, Dist, "deb"), Trusted(CHECK_TRUST)
 172 {}
 173
 174 debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist, bool const Trusted) :
 175                                         metaIndex(URI, Dist, "deb") {
 176         SetTrusted(Trusted);
 177 }
 178
 179 debReleaseIndex::~debReleaseIndex() {
 180         for (map<string, vector<debSectionEntry const*> >::const_iterator A = ArchEntries.begin();
 181              A != ArchEntries.end(); ++A)
 182                 for (vector<const debSectionEntry *>::const_iterator S = A->second.begin();
 183                      S != A->second.end(); ++S)
 184                         delete *S;
 185 }
 186
 187 vector <IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
 188         vector <IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
 189
 190         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 191         if (src != ArchEntries.end()) {
 192                 vector<debSectionEntry const*> const SectionEntries = src->second;
 193                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 194                      I != SectionEntries.end(); ++I) {
 195                         char const * const ShortDesc = "Sources";
 196                         IndexTarget * const Target = new IndexTarget(
 197                               SourceIndexURISuffix(ShortDesc, (*I)->Section),
 198                               ShortDesc,
 199                               Info(ShortDesc, (*I)->Section),
 200                               SourceIndexURI(ShortDesc, (*I)->Section)
 201                               );
 202                         IndexTargets->push_back (Target);
 203                 }
 204         }
 205
 206         // Only source release
 207         if (IndexTargets->empty() == false && ArchEntries.size() == 1)
 208                 return IndexTargets;
 209
 210         std::set<std::string> sections;
 211         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 212              a != ArchEntries.end(); ++a) {
 213                 if (a->first == "source")
 214                         continue;
 215                 for (vector <const debSectionEntry *>::const_iterator I = a->second.begin();
 216                      I != a->second.end(); ++I) {
 217                         char const * const ShortDesc = "Packages";
 218                         IndexTarget * const Target = new IndexTarget(
 219                               IndexURISuffix(ShortDesc, (*I)->Section, a->first),
 220                               ShortDesc,
 221                               Info (ShortDesc, (*I)->Section, a->first),
 222                               IndexURI(ShortDesc, (*I)->Section, a->first)
 223                               );
 224                         IndexTargets->push_back (Target);
 225                         sections.insert((*I)->Section);
 226                 }
 227         }
 228
 229         std::vector<std::string> lang = APT::Configuration::getLanguages(true);
 230         std::vector<std::string>::iterator lend = std::remove(lang.begin(), lang.end(), "none");
 231         if (lend != lang.end())
 232                 lang.erase(lend);
 233
 234         if (lang.empty() == true)
 235                 return IndexTargets;
 236
 237         // get the Translation-* files, later we will skip download of non-existent if we have an index
 238         for (std::set<std::string>::const_iterator s = sections.begin();
 239              s != sections.end(); ++s) {
 240                 for (std::vector<std::string>::const_iterator l = lang.begin();
 241                      l != lang.end(); ++l) {
 242                         std::string const ShortDesc = "Translation-" + *l;
 243                         IndexTarget * const Target = new OptionalIndexTarget(
 244                               TranslationIndexURISuffix(l->c_str(), *s),
 245                               ShortDesc,
 246                               Info (ShortDesc.c_str(), *s),
 247                               TranslationIndexURI(l->c_str(), *s)
 248                               );
 249                         IndexTargets->push_back(Target);
 250                 }
 251         }
 252
 253         return IndexTargets;
 254 }
 255                                                                         /*}}}*/
 256 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
 257 {
 258    indexRecords * const iR = new indexRecords(Dist);
 259    if (Trusted == ALWAYS_TRUSTED)
 260       iR->SetTrusted(true);
 261    else if (Trusted == NEVER_TRUSTED)
 262       iR->SetTrusted(false);
 263
 264    // special case for --print-uris
 265    vector <IndexTarget *> const * const targets = ComputeIndexTargets();
 266 #define APT_TARGET(X) IndexTarget("", X, MetaIndexInfo(X), MetaIndexURI(X))
 267    pkgAcqMetaBase * const TransactionManager = new pkgAcqMetaClearSig(Owner,
 268          APT_TARGET("InRelease"), APT_TARGET("Release"), APT_TARGET("Release.gpg"),
 269          targets, iR);
 270 #undef APT_TARGET
 271    if (GetAll)
 272    {
 273       for (vector <IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); ++Target)
 274          new pkgAcqIndex(Owner, TransactionManager, *Target);
 275    }
 276
 277    return true;
 278 }
 279
 280 void debReleaseIndex::SetTrusted(bool const Trusted)
 281 {
 282         if (Trusted == true)
 283                 this->Trusted = ALWAYS_TRUSTED;
 284         else
 285                 this->Trusted = NEVER_TRUSTED;
 286 }
 287
 288 bool debReleaseIndex::IsTrusted() const
 289 {
 290    if (Trusted == ALWAYS_TRUSTED)
 291       return true;
 292    else if (Trusted == NEVER_TRUSTED)
 293       return false;
 294
 295
 296    if(_config->FindB("APT::Authentication::TrustCDROM", false))
 297       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 298          return true;
 299
 300    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 301       URItoFileName(MetaIndexURI("Release")) + ".gpg";
 302
 303    if (FileExists(VerifiedSigFile))
 304       return true;
 305
 306    VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 307       URItoFileName(MetaIndexURI("InRelease"));
 308
 309    return FileExists(VerifiedSigFile);
 310 }
 311
 312 vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
 313         if (Indexes != NULL)
 314                 return Indexes;
 315
 316         Indexes = new vector <pkgIndexFile*>;
 317         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 318         if (src != ArchEntries.end()) {
 319                 vector<debSectionEntry const*> const SectionEntries = src->second;
 320                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 321                      I != SectionEntries.end(); ++I)
 322                         Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 323         }
 324
 325         // Only source release
 326         if (Indexes->empty() == false && ArchEntries.size() == 1)
 327                 return Indexes;
 328
 329         std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 330         map<string, set<string> > sections;
 331         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 332              a != ArchEntries.end(); ++a) {
 333                 if (a->first == "source")
 334                         continue;
 335                 for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
 336                      I != a->second.end(); ++I) {
 337                         Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
 338                         sections[(*I)->Section].insert(lang.begin(), lang.end());
 339                 }
 340         }
 341
 342         for (map<string, set<string> >::const_iterator s = sections.begin();
 343              s != sections.end(); ++s)
 344                 for (set<string>::const_iterator l = s->second.begin();
 345                      l != s->second.end(); ++l) {
 346                         if (*l == "none") continue;
 347                         Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
 348                 }
 349
 350         return Indexes;
 351 }
 352
 353 void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
 354         for (vector<string>::const_iterator a = Archs.begin();
 355              a != Archs.end(); ++a)
 356                 ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
 357         delete Entry;
 358 }
 359
 360 void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
 361         ArchEntries[Arch].push_back(Entry);
 362 }
 363
 364 void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
 365         if (Entry->IsSrc == true)
 366                 PushSectionEntry("source", Entry);
 367         else {
 368                 for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
 369                      a != ArchEntries.end(); ++a) {
 370                         a->second.push_back(Entry);
 371                 }
 372         }
 373 }
 374
 375 debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
 376                 bool const &IsSrc): Section(Section), IsSrc(IsSrc)
 377 {}
 378
 379 class APT_HIDDEN debSLTypeDebian : public pkgSourceList::Type
 380 {
 381    protected:
 382
 383    bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
 384                            string const &Dist, string const &Section,
 385                            bool const &IsSrc, map<string, string> const &Options) const
 386    {
 387       // parse arch=, arch+= and arch-= settings
 388       map<string, string>::const_iterator arch = Options.find("arch");
 389       vector<string> Archs;
 390       if (arch != Options.end())
 391          Archs = VectorizeString(arch->second, ',');
 392       else
 393          Archs = APT::Configuration::getArchitectures();
 394
 395       if ((arch = Options.find("arch+")) != Options.end())
 396       {
 397          std::vector<std::string> const plusArch = VectorizeString(arch->second, ',');
 398          for (std::vector<std::string>::const_iterator plus = plusArch.begin(); plus != plusArch.end(); ++plus)
 399             if (std::find(Archs.begin(), Archs.end(), *plus) == Archs.end())
 400                Archs.push_back(*plus);
 401       }
 402       if ((arch = Options.find("arch-")) != Options.end())
 403       {
 404          std::vector<std::string> const minusArch = VectorizeString(arch->second, ',');
 405          for (std::vector<std::string>::const_iterator minus = minusArch.begin(); minus != minusArch.end(); ++minus)
 406          {
 407             std::vector<std::string>::iterator kill = std::find(Archs.begin(), Archs.end(), *minus);
 408             if (kill != Archs.end())
 409                Archs.erase(kill);
 410          }
 411       }
 412
 413       map<string, string>::const_iterator const trusted = Options.find("trusted");
 414
 415       for (vector<metaIndex *>::const_iterator I = List.begin();
 416            I != List.end(); ++I)
 417       {
 418          // We only worry about debian entries here
 419          if (strcmp((*I)->GetType(), "deb") != 0)
 420             continue;
 421
 422          debReleaseIndex *Deb = (debReleaseIndex *) (*I);
 423          if (trusted != Options.end())
 424             Deb->SetTrusted(StringToBool(trusted->second, false));
 425
 426          /* This check insures that there will be only one Release file
 427             queued for all the Packages files and Sources files it
 428             corresponds to. */
 429          if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
 430          {
 431             if (IsSrc == true)
 432                Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 433             else
 434             {
 435                if (Dist[Dist.size() - 1] == '/')
 436                   Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 437                else
 438                   Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 439             }
 440             return true;
 441          }
 442       }
 443
 444       // No currently created Release file indexes this entry, so we create a new one.
 445       debReleaseIndex *Deb;
 446       if (trusted != Options.end())
 447          Deb = new debReleaseIndex(URI, Dist, StringToBool(trusted->second, false));
 448       else
 449          Deb = new debReleaseIndex(URI, Dist);
 450
 451       if (IsSrc == true)
 452          Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 453       else
 454       {
 455          if (Dist[Dist.size() - 1] == '/')
 456             Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 457          else
 458             Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 459       }
 460       List.push_back(Deb);
 461       return true;
 462    }
 463 };
 464
 465 debDebFileMetaIndex::debDebFileMetaIndex(std::string const &DebFile)
 466    : metaIndex(DebFile, "local-uri", "deb-dist"), DebFile(DebFile)
 467 {
 468    DebIndex = new debDebPkgFileIndex(DebFile);
 469    Indexes = new vector<pkgIndexFile *>();
 470    Indexes->push_back(DebIndex);
 471 }
 472
 473
 474 class APT_HIDDEN debSLTypeDeb : public debSLTypeDebian
 475 {
 476    public:
 477
 478    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 479                    string const &Dist, string const &Section,
 480                    std::map<string, string> const &Options) const
 481    {
 482       return CreateItemInternal(List, URI, Dist, Section, false, Options);
 483    }
 484
 485    debSLTypeDeb()
 486    {
 487       Name = "deb";
 488       Label = "Standard Debian binary tree";
 489    }
 490 };
 491
 492 class APT_HIDDEN debSLTypeDebSrc : public debSLTypeDebian
 493 {
 494    public:
 495
 496    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 497                    string const &Dist, string const &Section,
 498                    std::map<string, string> const &Options) const
 499    {
 500       return CreateItemInternal(List, URI, Dist, Section, true, Options);
 501    }
 502
 503    debSLTypeDebSrc()
 504    {
 505       Name = "deb-src";
 506       Label = "Standard Debian source tree";
 507    }
 508 };
 509
 510 class APT_HIDDEN debSLTypeDebFile : public pkgSourceList::Type
 511 {
 512    public:
 513
 514    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 515                    string const &/*Dist*/, string const &/*Section*/,
 516                    std::map<string, string> const &/*Options*/) const
 517    {
 518       metaIndex *mi = new debDebFileMetaIndex(URI);
 519       List.push_back(mi);
 520       return true;
 521    }
 522
 523    debSLTypeDebFile()
 524    {
 525       Name = "deb-file";
 526       Label = "Debian Deb File";
 527    }
 528 };
 529
 530 APT_HIDDEN debSLTypeDeb _apt_DebType;
 531 APT_HIDDEN debSLTypeDebSrc _apt_DebSrcType;
 532 APT_HIDDEN debSLTypeDebFile _apt_DebFileType;