apt-pkg/deb/debmetaindex.cc

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