apt-pkg/deb/debmetaindex.cc

   1 // ijones, walters
   2
   3 #ifdef __GNUG__
   4 #pragma implementation "apt-pkg/debmetaindex.h"
   5 #endif
   6
   7 #include <apt-pkg/debmetaindex.h>
   8 #include <apt-pkg/debindexfile.h>
   9 #include <apt-pkg/strutl.h>
  10 #include <apt-pkg/acquire-item.h>
  11 #include <apt-pkg/configuration.h>
  12 #include <apt-pkg/error.h>
  13
  14 using namespace std;
  15
  16 string debReleaseIndex::Info(const char *Type, const string Section) const
  17 {
  18    string Info = ::URI::SiteOnly(URI) + ' ';
  19    if (Dist[Dist.size() - 1] == '/')
  20    {
  21       if (Dist != "/")
  22          Info += Dist;
  23    }
  24    else
  25       Info += Dist + '/' + Section;
  26    Info += " ";
  27    Info += Type;
  28    return Info;
  29 }
  30
  31 string debReleaseIndex::MetaIndexInfo(const char *Type) const
  32 {
  33    string Info = ::URI::SiteOnly(URI) + ' ';
  34    if (Dist[Dist.size() - 1] == '/')
  35    {
  36       if (Dist != "/")
  37          Info += Dist;
  38    }
  39    else
  40       Info += Dist;
  41    Info += " ";
  42    Info += Type;
  43    return Info;
  44 }
  45
  46 string debReleaseIndex::MetaIndexFile(const char *Type) const
  47 {
  48    return _config->FindDir("Dir::State::lists") +
  49       URItoFileName(MetaIndexURI(Type));
  50 }
  51
  52 string debReleaseIndex::MetaIndexURI(const char *Type) const
  53 {
  54    string Res;
  55
  56    if (Dist == "/")
  57       Res = URI;
  58    else if (Dist[Dist.size()-1] == '/')
  59       Res = URI + Dist;
  60    else
  61       Res = URI + "dists/" + Dist + "/";
  62
  63    Res += Type;
  64    return Res;
  65 }
  66
  67 string debReleaseIndex::IndexURISuffix(const char *Type, const string Section) const
  68 {
  69    string Res ="";
  70    if (Dist[Dist.size() - 1] != '/')
  71       Res += Section + "/binary-" + _config->Find("APT::Architecture") + '/';
  72    return Res + Type;
  73 }
  74
  75
  76 string debReleaseIndex::IndexURI(const char *Type, const string Section) const
  77 {
  78    if (Dist[Dist.size() - 1] == '/')
  79    {
  80       string Res;
  81       if (Dist != "/")
  82          Res = URI + Dist;
  83       else
  84          Res = URI;
  85       return Res + Type;
  86    }
  87    else
  88       return URI + "dists/" + Dist + '/' + IndexURISuffix(Type, Section);
  89  }
  90
  91 string debReleaseIndex::SourceIndexURISuffix(const char *Type, const string Section) const
  92 {
  93    string Res ="";
  94    if (Dist[Dist.size() - 1] != '/')
  95       Res += Section + "/source/";
  96    return Res + Type;
  97 }
  98
  99 string debReleaseIndex::SourceIndexURI(const char *Type, const string Section) const
 100 {
 101    string Res;
 102    if (Dist[Dist.size() - 1] == '/')
 103    {
 104       if (Dist != "/")
 105          Res = URI + Dist;
 106       else
 107          Res = URI;
 108       return Res + Type;
 109    }
 110    else
 111       return URI + "dists/" + Dist + "/" + SourceIndexURISuffix(Type, Section);
 112 }
 113
 114 debReleaseIndex::debReleaseIndex(string URI,string Dist)
 115 {
 116    this->URI = URI;
 117    this->Dist = Dist;
 118    this->Indexes = NULL;
 119    this->Type = "deb";
 120 }
 121
 122 vector <struct IndexTarget *>* debReleaseIndex::ComputeIndexTargets() const
 123 {
 124    vector <struct IndexTarget *>* IndexTargets = new vector <IndexTarget *>;
 125    for (vector <const debSectionEntry *>::const_iterator I = SectionEntries.begin();
 126         I != SectionEntries.end();
 127         I++)
 128    {
 129       IndexTarget * Target = new IndexTarget();
 130       Target->ShortDesc = (*I)->IsSrc ? "Sources" : "Packages";
 131       Target->MetaKey
 132         = (*I)->IsSrc ? SourceIndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section)
 133                       : IndexURISuffix(Target->ShortDesc.c_str(), (*I)->Section);
 134       Target->URI
 135         = (*I)->IsSrc ? SourceIndexURI(Target->ShortDesc.c_str(), (*I)->Section)
 136                       : IndexURI(Target->ShortDesc.c_str(), (*I)->Section);
 137
 138       Target->Description = Info (Target->ShortDesc.c_str(), (*I)->Section);
 139       IndexTargets->push_back (Target);
 140    }
 141    return IndexTargets;
 142 }
 143                                                                         /*}}}*/
 144 bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool GetAll) const
 145 {
 146    // special case for --print-uris
 147    if (GetAll) {
 148       vector <struct IndexTarget *> *targets = ComputeIndexTargets();
 149       for (vector <struct IndexTarget*>::const_iterator Target = targets->begin(); Target != targets->end(); Target++) {
 150          new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
 151                          (*Target)->ShortDesc, "");
 152       }
 153    }
 154    new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"),
 155                      MetaIndexInfo("Release.gpg"), "Release.gpg",
 156                      MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release",
 157                      ComputeIndexTargets(),
 158                      new indexRecords (Dist));
 159
 160    return true;
 161 }
 162
 163 bool debReleaseIndex::IsTrusted() const
 164 {
 165    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
 166       URItoFileName(MetaIndexURI("Release")) + ".gpg";
 167
 168    if(_config->FindB("APT::Authentication::Trust-CDROM", false))
 169       if(URI.substr(0,strlen("cdrom:")) == "cdrom:")
 170          return true;
 171
 172    if (FileExists(VerifiedSigFile))
 173       return true;
 174    return false;
 175 }
 176
 177 vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()
 178 {
 179    if (Indexes != NULL)
 180       return Indexes;
 181
 182    Indexes = new vector <pkgIndexFile*>;
 183    for (vector<const debSectionEntry *>::const_iterator I = SectionEntries.begin();
 184         I != SectionEntries.end(); I++)
 185       if ((*I)->IsSrc)
 186          Indexes->push_back(new debSourcesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 187       else
 188          Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted()));
 189    return Indexes;
 190 }
 191
 192 void debReleaseIndex::PushSectionEntry(const debSectionEntry *Entry)
 193 {
 194    SectionEntries.push_back(Entry);
 195 }
 196
 197 debReleaseIndex::debSectionEntry::debSectionEntry (string Section, bool IsSrc): Section(Section)
 198 {
 199    this->IsSrc = IsSrc;
 200 }
 201
 202 class debSLTypeDebian : public pkgSourceList::Type
 203 {
 204    protected:
 205
 206    bool CreateItemInternal(vector<metaIndex *> &List,string URI,
 207                            string Dist,string Section,
 208                            bool IsSrc) const
 209    {
 210       for (vector<metaIndex *>::const_iterator I = List.begin();
 211            I != List.end(); I++)
 212       {
 213          // This check insures that there will be only one Release file
 214          // queued for all the Packages files and Sources files it
 215          // corresponds to.
 216          if ((*I)->GetType() == "deb")
 217          {
 218             debReleaseIndex *Deb = (debReleaseIndex *) (*I);
 219             // This check insures that there will be only one Release file
 220             // queued for all the Packages files and Sources files it
 221             // corresponds to.
 222             if (Deb->GetURI() == URI && Deb->GetDist() == Dist)
 223             {
 224                Deb->PushSectionEntry(new debReleaseIndex::debSectionEntry(Section, IsSrc));
 225                return true;
 226             }
 227          }
 228       }
 229       // No currently created Release file indexes this entry, so we create a new one.
 230       // XXX determine whether this release is trusted or not
 231       debReleaseIndex *Deb = new debReleaseIndex(URI,Dist);
 232       Deb->PushSectionEntry (new debReleaseIndex::debSectionEntry(Section, IsSrc));
 233       List.push_back(Deb);
 234       return true;
 235    }
 236 };
 237
 238 class debSLTypeDeb : public debSLTypeDebian
 239 {
 240    public:
 241
 242    bool CreateItem(vector<metaIndex *> &List,string URI,
 243                    string Dist,string Section) const
 244    {
 245       return CreateItemInternal(List, URI, Dist, Section, false);
 246    }
 247
 248    debSLTypeDeb()
 249    {
 250       Name = "deb";
 251       Label = "Standard Debian binary tree";
 252    }
 253 };
 254
 255 class debSLTypeDebSrc : public debSLTypeDebian
 256 {
 257    public:
 258
 259    bool CreateItem(vector<metaIndex *> &List,string URI,
 260                    string Dist,string Section) const
 261    {
 262       return CreateItemInternal(List, URI, Dist, Section, true);
 263    }
 264
 265    debSLTypeDebSrc()
 266    {
 267       Name = "deb-src";
 268       Label = "Standard Debian source tree";
 269    }
 270 };
 271
 272 debSLTypeDeb _apt_DebType;
 273 debSLTypeDebSrc _apt_DebSrcType;