apt-pkg/deb/debmetaindex.cc

   1 #include <config.h>
   2
   3 #include <apt-pkg/debmetaindex.h>
   4 #include <apt-pkg/debindexfile.h>
   5 #include <apt-pkg/strutl.h>
   6 #include <apt-pkg/fileutl.h>
   7 #include <apt-pkg/acquire-item.h>
   8 #include <apt-pkg/configuration.h>
   9 #include <apt-pkg/aptconfiguration.h>
  10 #include <apt-pkg/indexrecords.h>
  11 #include <apt-pkg/sourcelist.h>
  12 #include <apt-pkg/hashes.h>
  13 #include <apt-pkg/macros.h>
  14 #include <apt-pkg/metaindex.h>
  15
  16 #include <string.h>
  17 #include <map>
  18 #include <string>
  19 #include <utility>
  20 #include <vector>
  21 #include <set>
  22 #include <algorithm>
  23
  24 using namespace std;
  25
  26 string debReleaseIndex::Info(const char *Type, string const &Section, string const &Arch) const
  27 {
  28    string Info = ::URI::SiteOnly(URI) + ' ';
  29    if (Dist[Dist.size() - 1] == '/')
  30    {
  31       if (Dist != "/")
  32          Info += Dist;
  33    }
  34    else
  35    {
  36       Info += Dist + '/' + Section;
  37       if (Arch.empty() != true)
  38          Info += " " + Arch;
  39    }
  40    Info += " ";
  41    Info += Type;
  42    return Info;
  43 }
  44
  45 string debReleaseIndex::MetaIndexInfo(const char *Type) const
  46 {
  47    string Info = ::URI::SiteOnly(URI) + ' ';
  48    if (Dist[Dist.size() - 1] == '/')
  49    {
  50       if (Dist != "/")
  51          Info += Dist;
  52    }
  53    else
  54       Info += Dist;
  55    Info += " ";
  56    Info += Type;
  57    return Info;
  58 }
  59
  60 string debReleaseIndex::MetaIndexFile(const char *Type) const
  61 {
  62    return _config->FindDir("Dir::State::lists") +
  63       URItoFileName(MetaIndexURI(Type));
  64 }
  65
  66 string debReleaseIndex::MetaIndexURI(const char *Type) const
  67 {
  68    string Res;
  69
  70    if (Dist == "/")
  71       Res = URI;
  72    else if (Dist[Dist.size()-1] == '/')
  73       Res = URI + Dist;
  74    else
  75       Res = URI + "dists/" + Dist + "/";
  76
  77    Res += Type;
  78    return Res;
  79 }
  80
  81 #if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
  82 std::string debReleaseIndex::LocalFileName() const
  83 {
  84    // see if we have a InRelease file
  85    std::string PathInRelease =  MetaIndexFile("InRelease");
  86    if (FileExists(PathInRelease))
  87       return PathInRelease;
  88
  89    // and if not return the normal one
  90    if (FileExists(PathInRelease))
  91       return MetaIndexFile("Release");
  92
  93    return "";
  94 }
  95 #endif
  96
  97 string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const
  98 {
  99    string Res ="";
 100    if (Dist[Dist.size() - 1] != '/')
 101    {
 102       if (Arch == "native")
 103          Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/';
 104       else
 105          Res += Section + "/binary-" + Arch + '/';
 106    }
 107    return Res + Type;
 108 }
 109
 110
 111 string debReleaseIndex::IndexURI(const char *Type, string const &Section, string const &Arch) const
 112 {
 113    if (Dist[Dist.size() - 1] == '/')
 114    {
 115       string Res;
 116       if (Dist != "/")
 117          Res = URI + Dist;
 118       else
 119          Res = URI;
 120       return Res + Type;
 121    }
 122    else
 123       return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section, Arch);
 124  }
 125
 126 string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string &Section) const
 127 {
 128    string Res ="";
 129    if (Dist[Dist.size() - 1] != '/')
 130       Res += Section + "/source/";
 131    return Res + Type;
 132 }
 133
 134 string debReleaseIndex::SourceIndexURI(const char *Type, const string &Section) const
 135 {
 136    string Res;
 137    if (Dist[Dist.size() - 1] == '/')
 138    {
 139       if (Dist != "/")
 140          Res = URI + Dist;
 141       else
 142          Res = URI;
 143       return Res + Type;
 144    }
 145    else
 146       return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section);
 147 }
 148
 149 string debReleaseIndex::TranslationIndexURISuffix(const char *Type, const string &Section) const
 150 {
 151    string Res ="";
 152    if (Dist[Dist.size() - 1] != '/')
 153       Res += Section + "/i18n/Translation-";
 154    return Res + Type;
 155 }
 156
 157 string debReleaseIndex::TranslationIndexURI(const char *Type, const string &Section) const
 158 {
 159    string Res;
 160    if (Dist[Dist.size() - 1] == '/')
 161    {
 162       if (Dist != "/")
 163          Res = URI + Dist;
 164       else
 165          Res = URI;
 166       return Res + Type;
 167    }
 168    else
 169       return URI + "dists/" + Dist + "/" + TranslationIndexURISuffix(Type, Section);
 170 }
 171
 172 debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist) :
 173                                         metaIndex(URI, Dist, "deb"), Trusted(CHECK_TRUST)
 174 {}
 175
 176 debReleaseIndex::debReleaseIndex(string const &URI, string const &Dist, bool const Trusted) :
 177                                         metaIndex(URI, Dist, "deb") {
 178         SetTrusted(Trusted);
 179 }
 180
 181 debReleaseIndex::~debReleaseIndex() {
 182         for (map<string, vector<debSectionEntry const*> >::const_iterator A = ArchEntries.begin();
 183              A != ArchEntries.end(); ++A)
 184                 for (vector<const debSectionEntry *>::const_iterator S = A->second.begin();
 185                      S != A->second.end(); ++S)
 186                         delete *S;
 187 }
 188
 189 vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const {
 190         vector <struct IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
 191
 192         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 193         if (src != ArchEntries.end()) {
 194                 vector<debSectionEntry const*> const SectionEntries = src->second;
 195                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 196                      I != SectionEntries.end(); ++I) {
 197                         IndexTarget * Target = new IndexTarget();
 198                         Target->ShortDesc = "Sources";
 199                         Target->MetaKey = SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section);
 200                         Target->URI = SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section);
 201                         Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section);
 202                         IndexTargets->push_back (Target);
 203                 }
 204         }
 205
 206         // Only source release
 207         if (IndexTargets->empty() == false && ArchEntries.size() == 1)
 208                 return IndexTargets;
 209
 210         std::set<std::string> sections;
 211         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 212              a != ArchEntries.end(); ++a) {
 213                 if (a->first == "source")
 214                         continue;
 215                 for (vector <const debSectionEntry *>::const_iterator I = a->second.begin();
 216                      I != a->second.end(); ++I) {
 217                         IndexTarget * Target = new IndexTarget();
 218                         Target->ShortDesc = "Packages";
 219                         Target->MetaKey = IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section, a->first);
 220                         Target->URI = IndexURI(Target->ShortDesc.c_str(), (*I)->Section, a->first);
 221                         Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section, a->first);
 222                         IndexTargets->push_back (Target);
 223                         sections.insert((*I)->Section);
 224                 }
 225         }
 226
 227         std::vector<std::string> lang = APT::Configuration::getLanguages(true);
 228         std::vector<std::string>::iterator lend = std::remove(lang.begin(), lang.end(), "none");
 229         if (lend != lang.end())
 230                 lang.erase(lend);
 231
 232         if (lang.empty() == true)
 233                 return IndexTargets;
 234
 235         // get the Translation-* files, later we will skip download of non-existent if we have an index
 236         for (std::set<std::string>::const_iterator s = sections.begin();
 237              s != sections.end(); ++s) {
 238                 for (std::vector<std::string>::const_iterator l = lang.begin();
 239                      l != lang.end(); ++l) {
 240                         IndexTarget * Target = new OptionalIndexTarget();
 241                         Target->ShortDesc = "Translation-" + *l;
 242                         Target->MetaKey = TranslationIndexURISuffix(l->c_str(), *s);
 243                         Target->URI = TranslationIndexURI(l->c_str(), *s);
 244                         Target->Description = Info (Target->ShortDesc.c_str(), *s);
 245                         IndexTargets->push_back(Target);
 246                 }
 247         }
 248
 249         return IndexTargets;
 250 }
 251                                                                         /*}}}*/
 252 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const
 253 {
 254    bool const tryInRelease = _config->FindB("Acquire::TryInRelease", true);
 255
 256    // special case for --print-uris
 257    if (GetAll) {
 258       vector <struct IndexTarget *> *targets = ComputeIndexTargets();
 259       for (vector <struct IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); ++Target) {
 260          new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
 261                          (*Target)->ShortDesc, HashString());
 262       }
 263       delete targets;
 264
 265       // this is normally created in pkgAcqMetaSig, but if we run
 266       // in --print-uris mode, we add it here
 267       if (tryInRelease == false)
 268          new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"),
 269                MetaIndexInfo("Release"), "Release",
 270                MetaIndexURI("Release.gpg"),
 271                ComputeIndexTargets(),
 272                new indexRecords (Dist));
 273    }
 274
 275    if (tryInRelease == true)
 276       new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"),
 277             MetaIndexInfo("InRelease"), "InRelease",
 278             MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
 279             MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg",
 280             ComputeIndexTargets(),
 281             new indexRecords (Dist));
 282    else
 283       new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"),
 284             MetaIndexInfo("Release.gpg"), "Release.gpg",
 285             MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
 286             ComputeIndexTargets(),
 287             new indexRecords (Dist));
 288
 289    return true;
 290 }
 291
 292 void debReleaseIndex::SetTrusted(bool const Trusted)
 293 {
 294         if (Trusted == true)
 295                 this->Trusted = ALWAYS_TRUSTED;
 296         else
 297                 this->Trusted = NEVER_TRUSTED;
 298 }
 299
 300 bool debReleaseIndex::IsTrusted() const
 301 {
 302    if (Trusted == ALWAYS_TRUSTED)
 303       return true;
 304    else if (Trusted == NEVER_TRUSTED)
 305       return false;
 306
 307
 308    if(_config->FindB("APT::Authentication::TrustCDROM", false))
 309       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 310          return true;
 311
 312    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 313       URItoFileName(MetaIndexURI("Release")) + ".gpg";
 314
 315    if (FileExists(VerifiedSigFile))
 316       return true;
 317
 318    VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 319       URItoFileName(MetaIndexURI("InRelease"));
 320
 321    return FileExists(VerifiedSigFile);
 322 }
 323
 324 vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles() {
 325         if (Indexes != NULL)
 326                 return Indexes;
 327
 328         Indexes = new vector <pkgIndexFile*>;
 329         map<string, vector<debSectionEntry const*> >::const_iterator const src = ArchEntries.find("source");
 330         if (src != ArchEntries.end()) {
 331                 vector<debSectionEntry const*> const SectionEntries = src->second;
 332                 for (vector<debSectionEntry const*>::const_iterator I = SectionEntries.begin();
 333                      I != SectionEntries.end(); ++I)
 334                         Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 335         }
 336
 337         // Only source release
 338         if (Indexes->empty() == false && ArchEntries.size() == 1)
 339                 return Indexes;
 340
 341         std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
 342         map<string, set<string> > sections;
 343         for (map<string, vector<debSectionEntry const*> >::const_iterator a = ArchEntries.begin();
 344              a != ArchEntries.end(); ++a) {
 345                 if (a->first == "source")
 346                         continue;
 347                 for (vector<debSectionEntry const*>::const_iterator I = a->second.begin();
 348                      I != a->second.end(); ++I) {
 349                         Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted(), a->first));
 350                         sections[(*I)->Section].insert(lang.begin(), lang.end());
 351                 }
 352         }
 353
 354         for (map<string, set<string> >::const_iterator s = sections.begin();
 355              s != sections.end(); ++s)
 356                 for (set<string>::const_iterator l = s->second.begin();
 357                      l != s->second.end(); ++l) {
 358                         if (*l == "none") continue;
 359                         Indexes->push_back(new debTranslationsIndex(URI,Dist,s->first,(*l).c_str()));
 360                 }
 361
 362         return Indexes;
 363 }
 364
 365 void debReleaseIndex::PushSectionEntry(vector<string> const &Archs, const debSectionEntry *Entry) {
 366         for (vector<string>::const_iterator a = Archs.begin();
 367              a != Archs.end(); ++a)
 368                 ArchEntries[*a].push_back(new debSectionEntry(Entry->Section, Entry->IsSrc));
 369         delete Entry;
 370 }
 371
 372 void debReleaseIndex::PushSectionEntry(string const &Arch, const debSectionEntry *Entry) {
 373         ArchEntries[Arch].push_back(Entry);
 374 }
 375
 376 void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry) {
 377         if (Entry->IsSrc == true)
 378                 PushSectionEntry("source", Entry);
 379         else {
 380                 for (map<string, vector<const debSectionEntry *> >::iterator a = ArchEntries.begin();
 381                      a != ArchEntries.end(); ++a) {
 382                         a->second.push_back(Entry);
 383                 }
 384         }
 385 }
 386
 387 debReleaseIndex::debSectionEntry::debSectionEntry (string const &Section,
 388                 bool const &IsSrc): Section(Section), IsSrc(IsSrc)
 389 {}
 390
 391 class debSLTypeDebian : public pkgSourceList::Type
 392 {
 393    protected:
 394
 395    bool CreateItemInternal(vector<metaIndex *> &List, string const &URI,
 396                            string const &Dist, string const &Section,
 397                            bool const &IsSrc, map<string, string> const &Options) const
 398    {
 399       // parse arch=, arch+= and arch-= settings
 400       map<string, string>::const_iterator arch = Options.find("arch");
 401       vector<string> Archs =
 402                 (arch != Options.end()) ? VectorizeString(arch->second, ',') :
 403                                 APT::Configuration::getArchitectures();
 404       if ((arch = Options.find("arch+")) != Options.end())
 405       {
 406          std::vector<std::string> const plusArch = VectorizeString(arch->second, ',');
 407          for (std::vector<std::string>::const_iterator plus = plusArch.begin(); plus != plusArch.end(); ++plus)
 408             if (std::find(Archs.begin(), Archs.end(), *plus) == Archs.end())
 409                Archs.push_back(*plus);
 410       }
 411       if ((arch = Options.find("arch-")) != Options.end())
 412       {
 413          std::vector<std::string> const minusArch = VectorizeString(arch->second, ',');
 414          for (std::vector<std::string>::const_iterator minus = minusArch.begin(); minus != minusArch.end(); ++minus)
 415          {
 416             std::vector<std::string>::iterator kill = std::find(Archs.begin(), Archs.end(), *minus);
 417             if (kill != Archs.end())
 418                Archs.erase(kill);
 419          }
 420       }
 421
 422       map<string, string>::const_iterator const trusted = Options.find("trusted");
 423
 424       for (vector<metaIndex *>::const_iterator I = List.begin();
 425            I != List.end(); ++I)
 426       {
 427          // We only worry about debian entries here
 428          if (strcmp((*I)->GetType(), "deb") != 0)
 429             continue;
 430
 431          debReleaseIndex *Deb = (debReleaseIndex *) (*I);
 432          if (trusted != Options.end())
 433             Deb->SetTrusted(StringToBool(trusted->second, false));
 434
 435          /* This check insures that there will be only one Release file
 436             queued for all the Packages files and Sources files it
 437             corresponds to. */
 438          if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
 439          {
 440             if (IsSrc == true)
 441                Deb->PushSectionEntry("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 442             else
 443             {
 444                if (Dist[Dist.size() - 1] == '/')
 445                   Deb->PushSectionEntry("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 446                else
 447                   Deb->PushSectionEntry(Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 448             }
 449             return true;
 450          }
 451       }
 452
 453       // No currently created Release file indexes this entry, so we create a new one.
 454       debReleaseIndex *Deb;
 455       if (trusted != Options.end())
 456          Deb = new debReleaseIndex(URI, Dist, StringToBool(trusted->second, false));
 457       else
 458          Deb = new debReleaseIndex(URI, Dist);
 459
 460       if (IsSrc == true)
 461          Deb->PushSectionEntry ("source", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 462       else
 463       {
 464          if (Dist[Dist.size() - 1] == '/')
 465             Deb->PushSectionEntry ("any", new debReleaseIndex::debSectionEntry(Section, IsSrc));
 466          else
 467             Deb->PushSectionEntry (Archs, new debReleaseIndex::debSectionEntry(Section, IsSrc));
 468       }
 469       List.push_back(Deb);
 470       return true;
 471    }
 472 };
 473
 474 class debSLTypeDeb : public debSLTypeDebian
 475 {
 476    public:
 477
 478    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 479                    string const &Dist, string const &Section,
 480                    std::map<string, string> const &Options) const
 481    {
 482       return CreateItemInternal(List, URI, Dist, Section, false, Options);
 483    }
 484
 485    debSLTypeDeb()
 486    {
 487       Name = "deb";
 488       Label = "Standard Debian binary tree";
 489    }
 490 };
 491
 492 class debSLTypeDebSrc : public debSLTypeDebian
 493 {
 494    public:
 495
 496    bool CreateItem(vector<metaIndex *> &List, string const &URI,
 497                    string const &Dist, string const &Section,
 498                    std::map<string, string> const &Options) const
 499    {
 500       return CreateItemInternal(List, URI, Dist, Section, true, Options);
 501    }
 502
 503    debSLTypeDebSrc()
 504    {
 505       Name = "deb-src";
 506       Label = "Standard Debian source tree";
 507    }
 508 };
 509
 510 debSLTypeDeb _apt_DebType;
 511 debSLTypeDebSrc _apt_DebSrcType;