apt-pkg/deb/debmetaindex.cc

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