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