| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: sourcelist.cc,v 1.3 2002/08/15 20:51:37 niemeyer Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | List of Sources |
| 7 | |
| 8 | ##################################################################### */ |
| 9 | /*}}}*/ |
| 10 | // Include Files /*{{{*/ |
| 11 | #include <apt-pkg/sourcelist.h> |
| 12 | #include <apt-pkg/error.h> |
| 13 | #include <apt-pkg/fileutl.h> |
| 14 | #include <apt-pkg/strutl.h> |
| 15 | #include <apt-pkg/configuration.h> |
| 16 | |
| 17 | #include <apti18n.h> |
| 18 | |
| 19 | #include <fstream> |
| 20 | /*}}}*/ |
| 21 | |
| 22 | using namespace std; |
| 23 | |
| 24 | // Global list of Items supported |
| 25 | static pkgSourceList::Type *ItmList[10]; |
| 26 | pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList; |
| 27 | unsigned long pkgSourceList::Type::GlobalListLen = 0; |
| 28 | |
| 29 | // Type::Type - Constructor /*{{{*/ |
| 30 | // --------------------------------------------------------------------- |
| 31 | /* Link this to the global list of items*/ |
| 32 | pkgSourceList::Type::Type() |
| 33 | { |
| 34 | ItmList[GlobalListLen] = this; |
| 35 | GlobalListLen++; |
| 36 | } |
| 37 | /*}}}*/ |
| 38 | // Type::GetType - Get a specific meta for a given type /*{{{*/ |
| 39 | // --------------------------------------------------------------------- |
| 40 | /* */ |
| 41 | pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type) |
| 42 | { |
| 43 | for (unsigned I = 0; I != GlobalListLen; I++) |
| 44 | if (strcmp(GlobalList[I]->Name,Type) == 0) |
| 45 | return GlobalList[I]; |
| 46 | return 0; |
| 47 | } |
| 48 | /*}}}*/ |
| 49 | // Type::FixupURI - Normalize the URI and check it.. /*{{{*/ |
| 50 | // --------------------------------------------------------------------- |
| 51 | /* */ |
| 52 | bool pkgSourceList::Type::FixupURI(string &URI) const |
| 53 | { |
| 54 | if (URI.empty() == true) |
| 55 | return false; |
| 56 | |
| 57 | if (URI.find(':') == string::npos) |
| 58 | return false; |
| 59 | |
| 60 | URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture")); |
| 61 | |
| 62 | // Make sure that the URI is / postfixed |
| 63 | if (URI[URI.size() - 1] != '/') |
| 64 | URI += '/'; |
| 65 | |
| 66 | return true; |
| 67 | } |
| 68 | /*}}}*/ |
| 69 | // Type::ParseLine - Parse a single line /*{{{*/ |
| 70 | // --------------------------------------------------------------------- |
| 71 | /* This is a generic one that is the 'usual' format for sources.list |
| 72 | Weird types may override this. */ |
| 73 | bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List, |
| 74 | const char *Buffer, |
| 75 | unsigned long const &CurLine, |
| 76 | string const &File) const |
| 77 | { |
| 78 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 79 | |
| 80 | // Parse option field if it exists |
| 81 | // e.g.: [ option1=value1 option2=value2 ] |
| 82 | map<string, string> Options; |
| 83 | if (Buffer != 0 && Buffer[0] == '[') |
| 84 | { |
| 85 | ++Buffer; // ignore the [ |
| 86 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 87 | while (*Buffer != ']') |
| 88 | { |
| 89 | // get one option, e.g. option1=value1 |
| 90 | string option; |
| 91 | if (ParseQuoteWord(Buffer,option) == false) |
| 92 | return _error->Error(_("Malformed line %lu in source list %s ([option] unparseable)"),CurLine,File.c_str()); |
| 93 | |
| 94 | if (option.length() < 3) |
| 95 | return _error->Error(_("Malformed line %lu in source list %s ([option] too short)"),CurLine,File.c_str()); |
| 96 | |
| 97 | // accept options even if the last has no space before the ]-end marker |
| 98 | if (option.at(option.length()-1) == ']') |
| 99 | { |
| 100 | for (; *Buffer != ']'; --Buffer); |
| 101 | option.resize(option.length()-1); |
| 102 | } |
| 103 | |
| 104 | size_t const needle = option.find('='); |
| 105 | if (needle == string::npos) |
| 106 | return _error->Error(_("Malformed line %lu in source list %s ([%s] is not an assignment)"),CurLine,File.c_str(), option.c_str()); |
| 107 | |
| 108 | string const key = string(option, 0, needle); |
| 109 | string const value = string(option, needle + 1, option.length()); |
| 110 | |
| 111 | if (key.empty() == true) |
| 112 | return _error->Error(_("Malformed line %lu in source list %s ([%s] has no key)"),CurLine,File.c_str(), option.c_str()); |
| 113 | |
| 114 | if (value.empty() == true) |
| 115 | return _error->Error(_("Malformed line %lu in source list %s ([%s] key %s has no value)"),CurLine,File.c_str(),option.c_str(),key.c_str()); |
| 116 | |
| 117 | Options[key] = value; |
| 118 | } |
| 119 | ++Buffer; // ignore the ] |
| 120 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 121 | } |
| 122 | |
| 123 | string URI; |
| 124 | string Dist; |
| 125 | string Section; |
| 126 | |
| 127 | if (ParseQuoteWord(Buffer,URI) == false) |
| 128 | return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str()); |
| 129 | if (ParseQuoteWord(Buffer,Dist) == false) |
| 130 | return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str()); |
| 131 | |
| 132 | if (FixupURI(URI) == false) |
| 133 | return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str()); |
| 134 | |
| 135 | // Check for an absolute dists specification. |
| 136 | if (Dist.empty() == false && Dist[Dist.size() - 1] == '/') |
| 137 | { |
| 138 | if (ParseQuoteWord(Buffer,Section) == true) |
| 139 | return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str()); |
| 140 | Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture")); |
| 141 | return CreateItem(List, URI, Dist, Section, Options); |
| 142 | } |
| 143 | |
| 144 | // Grab the rest of the dists |
| 145 | if (ParseQuoteWord(Buffer,Section) == false) |
| 146 | return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str()); |
| 147 | |
| 148 | do |
| 149 | { |
| 150 | if (CreateItem(List, URI, Dist, Section, Options) == false) |
| 151 | return false; |
| 152 | } |
| 153 | while (ParseQuoteWord(Buffer,Section) == true); |
| 154 | |
| 155 | return true; |
| 156 | } |
| 157 | /*}}}*/ |
| 158 | |
| 159 | // SourceList::pkgSourceList - Constructors /*{{{*/ |
| 160 | // --------------------------------------------------------------------- |
| 161 | /* */ |
| 162 | pkgSourceList::pkgSourceList() |
| 163 | { |
| 164 | } |
| 165 | |
| 166 | pkgSourceList::pkgSourceList(string File) |
| 167 | { |
| 168 | Read(File); |
| 169 | } |
| 170 | /*}}}*/ |
| 171 | // SourceList::~pkgSourceList - Destructor /*{{{*/ |
| 172 | // --------------------------------------------------------------------- |
| 173 | /* */ |
| 174 | pkgSourceList::~pkgSourceList() |
| 175 | { |
| 176 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 177 | delete *I; |
| 178 | } |
| 179 | /*}}}*/ |
| 180 | /*}}}*/ |
| 181 | // SourceList::ReadMainList - Read the main source list from etc /*{{{*/ |
| 182 | // --------------------------------------------------------------------- |
| 183 | /* */ |
| 184 | bool pkgSourceList::ReadMainList() |
| 185 | { |
| 186 | // CNC:2003-03-03 - Multiple sources list support. |
| 187 | bool Res = true; |
| 188 | #if 0 |
| 189 | Res = ReadVendors(); |
| 190 | if (Res == false) |
| 191 | return false; |
| 192 | #endif |
| 193 | |
| 194 | Reset(); |
| 195 | // CNC:2003-11-28 - Entries in sources.list have priority over |
| 196 | // entries in sources.list.d. |
| 197 | string Main = _config->FindFile("Dir::Etc::sourcelist"); |
| 198 | string Parts = _config->FindDir("Dir::Etc::sourceparts"); |
| 199 | |
| 200 | if (RealFileExists(Main) == true) |
| 201 | Res &= ReadAppend(Main); |
| 202 | else if (DirectoryExists(Parts) == false) |
| 203 | // Only warn if there are no sources.list.d. |
| 204 | _error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str()); |
| 205 | |
| 206 | if (DirectoryExists(Parts) == true) |
| 207 | Res &= ReadSourceDir(Parts); |
| 208 | else if (RealFileExists(Main) == false) |
| 209 | // Only warn if there is no sources.list file. |
| 210 | _error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str()); |
| 211 | |
| 212 | return Res; |
| 213 | } |
| 214 | /*}}}*/ |
| 215 | // CNC:2003-03-03 - Needed to preserve backwards compatibility. |
| 216 | // SourceList::Reset - Clear the sourcelist contents /*{{{*/ |
| 217 | // --------------------------------------------------------------------- |
| 218 | /* */ |
| 219 | void pkgSourceList::Reset() |
| 220 | { |
| 221 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 222 | delete *I; |
| 223 | SrcList.erase(SrcList.begin(),SrcList.end()); |
| 224 | } |
| 225 | /*}}}*/ |
| 226 | // CNC:2003-03-03 - Function moved to ReadAppend() and Reset(). |
| 227 | // SourceList::Read - Parse the sourcelist file /*{{{*/ |
| 228 | // --------------------------------------------------------------------- |
| 229 | /* */ |
| 230 | bool pkgSourceList::Read(string File) |
| 231 | { |
| 232 | Reset(); |
| 233 | return ReadAppend(File); |
| 234 | } |
| 235 | /*}}}*/ |
| 236 | // SourceList::ReadAppend - Parse a sourcelist file /*{{{*/ |
| 237 | // --------------------------------------------------------------------- |
| 238 | /* */ |
| 239 | bool pkgSourceList::ReadAppend(string File) |
| 240 | { |
| 241 | // Open the stream for reading |
| 242 | ifstream F(File.c_str(),ios::in /*| ios::nocreate*/); |
| 243 | if (!F != 0) |
| 244 | return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str()); |
| 245 | |
| 246 | #if 0 // Now Reset() does this. |
| 247 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 248 | delete *I; |
| 249 | SrcList.erase(SrcList.begin(),SrcList.end()); |
| 250 | #endif |
| 251 | // CNC:2003-12-10 - 300 is too short. |
| 252 | char Buffer[1024]; |
| 253 | |
| 254 | int CurLine = 0; |
| 255 | while (F.eof() == false) |
| 256 | { |
| 257 | F.getline(Buffer,sizeof(Buffer)); |
| 258 | CurLine++; |
| 259 | _strtabexpand(Buffer,sizeof(Buffer)); |
| 260 | if (F.fail() && !F.eof()) |
| 261 | return _error->Error(_("Line %u too long in source list %s."), |
| 262 | CurLine,File.c_str()); |
| 263 | |
| 264 | |
| 265 | char *I; |
| 266 | // CNC:2003-02-20 - Do not break if '#' is inside []. |
| 267 | for (I = Buffer; *I != 0 && *I != '#'; I++) |
| 268 | if (*I == '[') |
| 269 | for (I++; *I != 0 && *I != ']'; I++); |
| 270 | *I = 0; |
| 271 | |
| 272 | const char *C = _strstrip(Buffer); |
| 273 | |
| 274 | // Comment or blank |
| 275 | if (C[0] == '#' || C[0] == 0) |
| 276 | continue; |
| 277 | |
| 278 | // Grok it |
| 279 | string LineType; |
| 280 | if (ParseQuoteWord(C,LineType) == false) |
| 281 | return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str()); |
| 282 | |
| 283 | Type *Parse = Type::GetType(LineType.c_str()); |
| 284 | if (Parse == 0) |
| 285 | return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str()); |
| 286 | |
| 287 | if (Parse->ParseLine(SrcList, C, CurLine, File) == false) |
| 288 | return false; |
| 289 | } |
| 290 | return true; |
| 291 | } |
| 292 | /*}}}*/ |
| 293 | // SourceList::FindIndex - Get the index associated with a file /*{{{*/ |
| 294 | // --------------------------------------------------------------------- |
| 295 | /* */ |
| 296 | bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, |
| 297 | pkgIndexFile *&Found) const |
| 298 | { |
| 299 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 300 | { |
| 301 | vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles(); |
| 302 | for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin(); |
| 303 | J != Indexes->end(); J++) |
| 304 | { |
| 305 | if ((*J)->FindInCache(*File.Cache()) == File) |
| 306 | { |
| 307 | Found = (*J); |
| 308 | return true; |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | return false; |
| 314 | } |
| 315 | /*}}}*/ |
| 316 | // SourceList::GetIndexes - Load the index files into the downloader /*{{{*/ |
| 317 | // --------------------------------------------------------------------- |
| 318 | /* */ |
| 319 | bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const |
| 320 | { |
| 321 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 322 | if ((*I)->GetIndexes(Owner,GetAll) == false) |
| 323 | return false; |
| 324 | return true; |
| 325 | } |
| 326 | /*}}}*/ |
| 327 | // CNC:2003-03-03 - By Anton V. Denisov <avd@altlinux.org>. |
| 328 | // SourceList::ReadSourceDir - Read a directory with sources files |
| 329 | // Based on ReadConfigDir() /*{{{*/ |
| 330 | // --------------------------------------------------------------------- |
| 331 | /* */ |
| 332 | bool pkgSourceList::ReadSourceDir(string Dir) |
| 333 | { |
| 334 | vector<string> const List = GetListOfFilesInDir(Dir, "list", true); |
| 335 | |
| 336 | // Read the files |
| 337 | for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++) |
| 338 | if (ReadAppend(*I) == false) |
| 339 | return false; |
| 340 | return true; |
| 341 | |
| 342 | } |
| 343 | /*}}}*/ |
| 344 | |