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         // get the Translations:
 199         // - if its a dists-style repository get the i18n/Index first
 200         // - if its flat try to acquire files by guessing
 201         if (Dist[Dist.size() - 1] == '/') {
 202                 std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 203                 for (std::set<std::string>::const_iterator s = sections.begin();
 204                      s != sections.end(); ++s) {
 205                         for (std::vector<std::string>::const_iterator l = lang.begin();
 206                              l != lang.end(); l++) {
 207                                 if (*l == "none") continue;
 208                                 IndexTarget * Target = new OptionalIndexTarget();
 209                                 Target->ShortDesc = "Translation-" + *l;
 210                                 Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s);
 211                                 Target->URI = TranslationIndexURI(l->c_str(), *s);
 212                                 Target->Description = Info (Target->ShortDesc.c_str(), *s);
 213                                 IndexTargets->push_back(Target);
 214                         }
 215                 }
 216         } else {
 217                 for (std::set<std::string>::const_iterator s = sections.begin();
 218                      s != sections.end(); ++s) {
 219                         IndexTarget * Target = new OptionalIndexTarget();
 220                         Target->ShortDesc = "TranslationIndex";
 221                         Target->MetaKey = TranslationIndexURISuffix("Index", *s);
 222                         Target->URI = TranslationIndexURI("Index", *s);
 223                         Target->Description = Info (Target->ShortDesc.c_str(), *s);
 224                         IndexTargets->push_back (Target);
 225                 }
 226         }
 227
 228         return IndexTargets;
 229 }
 230                                                                         /*}}}*/
 231 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
 232 {
 233    // special case for --print-uris
 234    if (GetAll) {
 235       vector <struct IndexTarget *> *targets = ComputeIndexTargets();
 236       for (vector <struct IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); Target++) {
 237          new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
 238                          (*Target)->ShortDesc, HashString());
 239       }
 240    }
 241
 242         new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"),
 243                 MetaIndexInfo("InRelease"), "InRelease",
 244                 MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
 245                 MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg",
 246                 ComputeIndexTargets(),
 247                 new indexRecords (Dist));
 248
 249         return true;
 250 }
 251
 252 bool debReleaseIndex::IsTrusted() const
 253 {
 254    if(_config->FindB("APT::Authentication::TrustCDROM", false))
 255       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 256          return true;
 257
 258    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 259       URItoFileName(MetaIndexURI("Release")) + ".gpg";
 260
 261    if (FileExists(VerifiedSigFile))
 262       return true;
 263
 264    VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 265       URItoFileName(MetaIndexURI("InRelease"));
 266
 267    return FileExists(VerifiedSigFile);
 268 }
 269
 270 vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
 271         if (Indexes != NULL)
 272                 return Indexes;
 273
 274         Indexes = new vector <pkgIndexFile*>;
 275         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 276         if (src != ArchEntries.end()) {
 277                 vector<debSectionEntry const*> const SectionEntries = src->second;
 278                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 279                      I != SectionEntries.end(); I++)
 280                         Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 281         }
 282
 283         // Only source release
 284         if (Indexes->empty() == false && ArchEntries.size() == 1)
 285                 return Indexes;
 286
 287         std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 288         map<string, set<string> > sections;
 289         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 290              a != ArchEntries.end(); ++a) {
 291                 if (a->first == "source")
 292                         continue;
 293                 for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
 294                      I != a->second.end(); I++) {
 295                         Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
 296                         sections[(*I)->Section].insert(lang.begin(), lang.end());
 297                 }
 298         }
 299
 300         for (map<string, set<string> >::const_iterator s = sections.begin();
 301              s != sections.end(); ++s)
 302                 for (set<string>::const_iterator l = s->second.begin();
 303                      l != s->second.end(); l++) {
 304                         if (*l == "none") continue;
 305                         Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
 306                 }
 307
 308         return Indexes;
 309 }
 310
 311 void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
 312         for (vector<string>::const_iterator a = Archs.begin();
 313              a != Archs.end(); ++a)
 314                 ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
 315         delete Entry;
 316 }
 317
 318 void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
 319         ArchEntries[Arch].push_back(Entry);
 320 }
 321
 322 void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
 323         if (Entry->IsSrc == true)
 324                 PushSectionEntry("source", Entry);
 325         else {
 326                 for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
 327                      a != ArchEntries.end(); ++a) {
 328                         a->second.push_back(Entry);
 329                 }
 330         }
 331 }
 332
 333 debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
 334                 bool const &IsSrc): Section(Section), IsSrc(IsSrc)
 335 {}
 336
 337 class debSLTypeDebian : public pkgSourceList::Type
 338 {
 339    protected:
 340
 341    bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
 342                            string const &Dist, string const &Section,
 343                            bool const &IsSrc, map<string, string> const &Options) const
 344    {
 345       map<string, string>::const_iterator const arch = Options.find("arch");
 346       vector<string> const Archs =
 347                 (arch != Options.end()) ? VectorizeString(arch->second, ',') :
 348                                 APT::Configuration::getArchitectures();
 349
 350       for (vector<metaIndex *>::const_iterator I = List.begin();
 351            I != List.end(); I++)
 352       {
 353          // We only worry about debian entries here
 354          if (strcmp((*I)->GetType(), "deb") != 0)
 355             continue;
 356
 357          debReleaseIndex *Deb = (debReleaseIndex *) (*I);
 358          /* This check insures that there will be only one Release file
 359             queued for all the Packages files and Sources files it
 360             corresponds to. */
 361          if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
 362          {
 363             if (IsSrc == true)
 364                Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 365             else
 366             {
 367                if (Dist[Dist.size() - 1] == '/')
 368                   Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 369                else
 370                   Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 371             }
 372             return true;
 373          }
 374       }
 375       // No currently created Release file indexes this entry, so we create a new one.
 376       // XXX determine whether this release is trusted or not
 377       debReleaseIndex *Deb = new debReleaseIndex(URI, Dist);
 378       if (IsSrc == true)
 379          Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 380       else
 381       {
 382          if (Dist[Dist.size() - 1] == '/')
 383             Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 384          else
 385             Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 386       }
 387       List.push_back(Deb);
 388       return true;
 389    }
 390 };
 391
 392 class debSLTypeDeb : public debSLTypeDebian
 393 {
 394    public:
 395
 396    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 397                    string const &Dist, string const &Section,
 398                    std::map<string, string> const &Options) const
 399    {
 400       return CreateItemInternal(List, URI, Dist, Section, false, Options);
 401    }
 402
 403    debSLTypeDeb()
 404    {
 405       Name = "deb";
 406       Label = "Standard Debian binary tree";
 407    }
 408 };
 409
 410 class debSLTypeDebSrc : public debSLTypeDebian
 411 {
 412    public:
 413
 414    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 415                    string const &Dist, string const &Section,
 416                    std::map<string, string> const &Options) const
 417    {
 418       return CreateItemInternal(List, URI, Dist, Section, true, Options);
 419    }
 420
 421    debSLTypeDebSrc()
 422    {
 423       Name = "deb-src";
 424       Label = "Standard Debian source tree";
 425    }
 426 };
 427
 428 debSLTypeDeb _apt_DebType;
 429 debSLTypeDebSrc _apt_DebSrcType;