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 debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) {
 123         this->URI = URI;
 124         this->Dist = Dist;
 125         this->Indexes = NULL;
 126         this->Type = "deb";
 127 }
 128
 129 debReleaseIndex::~debReleaseIndex() {
 130         for (map<string, vector<debSectionEntry const*> >::const_iterator A = ArchEntries.begin();
 131              A != ArchEntries.end(); ++A)
 132                 for (vector<const debSectionEntry *>::const_iterator S = A->second.begin();
 133                      S != A->second.end(); ++S)
 134                         delete *S;
 135 }
 136
 137 vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
 138         vector <struct IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
 139
 140         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 141         if (src != ArchEntries.end()) {
 142                 vector<debSectionEntry const*> const SectionEntries = src->second;
 143                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 144                      I != SectionEntries.end(); ++I) {
 145                         IndexTarget * Target = new IndexTarget();
 146                         Target->ShortDesc = "Sources";
 147                         Target->MetaKey = SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section);
 148                         Target->URI = SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section);
 149                         Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section);
 150                         IndexTargets->push_back (Target);
 151                 }
 152         }
 153
 154         // Only source release
 155         if (IndexTargets->empty() == false && ArchEntries.size() == 1)
 156                 return IndexTargets;
 157
 158         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 159              a != ArchEntries.end(); ++a) {
 160                 if (a->first == "source")
 161                         continue;
 162                 for (vector <const debSectionEntry *>::const_iterator I = a->second.begin();
 163                      I != a->second.end(); ++I) {
 164                         IndexTarget * Target = new IndexTarget();
 165                         Target->ShortDesc = "Packages";
 166                         Target->MetaKey = IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section, a->first);
 167                         Target->URI = IndexURI(Target->ShortDesc.c_str(), (*I)->Section, a->first);
 168                         Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section, a->first);
 169                         IndexTargets->push_back (Target);
 170                 }
 171         }
 172
 173         return IndexTargets;
 174 }
 175                                                                         /*}}}*/
 176 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
 177 {
 178    // special case for --print-uris
 179    if (GetAll) {
 180       vector <struct IndexTarget *> *targets = ComputeIndexTargets();
 181       for (vector <struct IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); Target++) {
 182          new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
 183                          (*Target)->ShortDesc, HashString());
 184       }
 185       // this is normally created in pkgAcqMetaSig, but if we run
 186       // in --print-uris mode, we add it here
 187       new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"),
 188                      MetaIndexInfo("Release"), "Release",
 189                      MetaIndexURI("Release.gpg"),
 190                      ComputeIndexTargets(),
 191                      new indexRecords (Dist));
 192
 193    }
 194
 195    new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"),
 196                      MetaIndexInfo("Release.gpg"), "Release.gpg",
 197                      MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
 198                      ComputeIndexTargets(),
 199                      new indexRecords (Dist));
 200
 201         // Queue the translations
 202         std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 203         map<string, set<string> > sections;
 204         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 205              a != ArchEntries.end(); ++a) {
 206                 if (a->first == "source")
 207                         continue;
 208                 for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
 209                      I != a->second.end(); I++)
 210                         sections[(*I)->Section].insert(lang.begin(), lang.end());
 211         }
 212
 213         for (map<string, set<string> >::const_iterator s = sections.begin();
 214              s != sections.end(); ++s)
 215                 for (set<string>::const_iterator l = s->second.begin();
 216                      l != s->second.end(); l++) {
 217                         if (*l == "none") continue;
 218                         debTranslationsIndex i = debTranslationsIndex(URI,Dist,s->first,(*l).c_str());
 219                         i.GetIndexes(Owner);
 220                 }
 221
 222         return true;
 223 }
 224
 225 bool debReleaseIndex::IsTrusted() const
 226 {
 227    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 228       URItoFileName(MetaIndexURI("Release")) + ".gpg";
 229
 230    if(_config->FindB("APT::Authentication::TrustCDROM", false))
 231       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 232          return true;
 233
 234    if (FileExists(VerifiedSigFile))
 235       return true;
 236    return false;
 237 }
 238
 239 vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
 240         if (Indexes != NULL)
 241                 return Indexes;
 242
 243         Indexes = new vector <pkgIndexFile*>;
 244         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 245         if (src != ArchEntries.end()) {
 246                 vector<debSectionEntry const*> const SectionEntries = src->second;
 247                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 248                      I != SectionEntries.end(); I++)
 249                         Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 250         }
 251
 252         // Only source release
 253         if (Indexes->empty() == false && ArchEntries.size() == 1)
 254                 return Indexes;
 255
 256         std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 257         map<string, set<string> > sections;
 258         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 259              a != ArchEntries.end(); ++a) {
 260                 if (a->first == "source")
 261                         continue;
 262                 for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
 263                      I != a->second.end(); I++) {
 264                         Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
 265                         sections[(*I)->Section].insert(lang.begin(), lang.end());
 266                 }
 267         }
 268
 269         for (map<string, set<string> >::const_iterator s = sections.begin();
 270              s != sections.end(); ++s)
 271                 for (set<string>::const_iterator l = s->second.begin();
 272                      l != s->second.end(); l++) {
 273                         if (*l == "none") continue;
 274                         Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
 275                 }
 276
 277         return Indexes;
 278 }
 279
 280 void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
 281         for (vector<string>::const_iterator a = Archs.begin();
 282              a != Archs.end(); ++a)
 283                 ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
 284         delete Entry;
 285 }
 286
 287 void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
 288         ArchEntries[Arch].push_back(Entry);
 289 }
 290
 291 void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
 292         if (Entry->IsSrc == true)
 293                 PushSectionEntry("source", Entry);
 294         else {
 295                 for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
 296                      a != ArchEntries.end(); ++a) {
 297                         a->second.push_back(Entry);
 298                 }
 299         }
 300 }
 301
 302 debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
 303                 bool const &IsSrc): Section(Section), IsSrc(IsSrc)
 304 {}
 305
 306 class debSLTypeDebian : public pkgSourceList::Type
 307 {
 308    protected:
 309
 310    bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
 311                            string const &Dist, string const &Section,
 312                            bool const &IsSrc, map<string, string> const &Options) const
 313    {
 314       map<string, string>::const_iterator const arch = Options.find("arch");
 315       vector<string> const Archs =
 316                 (arch != Options.end()) ? VectorizeString(arch->second, ',') :
 317                                 APT::Configuration::getArchitectures();
 318
 319       for (vector<metaIndex *>::const_iterator I = List.begin();
 320            I != List.end(); I++)
 321       {
 322          // We only worry about debian entries here
 323          if (strcmp((*I)->GetType(), "deb") != 0)
 324             continue;
 325
 326          debReleaseIndex *Deb = (debReleaseIndex *) (*I);
 327          /* This check insures that there will be only one Release file
 328             queued for all the Packages files and Sources files it
 329             corresponds to. */
 330          if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
 331          {
 332             if (IsSrc == true)
 333                Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 334             else
 335             {
 336                if (Dist[Dist.size() - 1] == '/')
 337                   Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 338                else
 339                   Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 340             }
 341             return true;
 342          }
 343       }
 344       // No currently created Release file indexes this entry, so we create a new one.
 345       // XXX determine whether this release is trusted or not
 346       debReleaseIndex *Deb = new debReleaseIndex(URI, Dist);
 347       if (IsSrc == true)
 348          Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 349       else
 350       {
 351          if (Dist[Dist.size() - 1] == '/')
 352             Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 353          else
 354             Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 355       }
 356       List.push_back(Deb);
 357       return true;
 358    }
 359 };
 360
 361 class debSLTypeDeb : public debSLTypeDebian
 362 {
 363    public:
 364
 365    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 366                    string const &Dist, string const &Section,
 367                    std::map<string, string> const &Options) const
 368    {
 369       return CreateItemInternal(List, URI, Dist, Section, false, Options);
 370    }
 371
 372    debSLTypeDeb()
 373    {
 374       Name = "deb";
 375       Label = "Standard Debian binary tree";
 376    }
 377 };
 378
 379 class debSLTypeDebSrc : public debSLTypeDebian
 380 {
 381    public:
 382
 383    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 384                    string const &Dist, string const &Section,
 385                    std::map<string, string> const &Options) const
 386    {
 387       return CreateItemInternal(List, URI, Dist, Section, true, Options);
 388    }
 389
 390    debSLTypeDebSrc()
 391    {
 392       Name = "deb-src";
 393       Label = "Standard Debian source tree";
 394    }
 395 };
 396
 397 debSLTypeDeb _apt_DebType;
 398 debSLTypeDebSrc _apt_DebSrcType;