| 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<config.h> |
| 12 | |
| 13 | #include <apt-pkg/sourcelist.h> |
| 14 | #include <apt-pkg/error.h> |
| 15 | #include <apt-pkg/fileutl.h> |
| 16 | #include <apt-pkg/strutl.h> |
| 17 | #include <apt-pkg/configuration.h> |
| 18 | #include <apt-pkg/metaindex.h> |
| 19 | #include <apt-pkg/indexfile.h> |
| 20 | |
| 21 | #include <fstream> |
| 22 | |
| 23 | #include <apti18n.h> |
| 24 | /*}}}*/ |
| 25 | |
| 26 | using namespace std; |
| 27 | |
| 28 | // Global list of Items supported |
| 29 | static pkgSourceList::Type *ItmList[10]; |
| 30 | pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList; |
| 31 | unsigned long pkgSourceList::Type::GlobalListLen = 0; |
| 32 | |
| 33 | // Type::Type - Constructor /*{{{*/ |
| 34 | // --------------------------------------------------------------------- |
| 35 | /* Link this to the global list of items*/ |
| 36 | pkgSourceList::Type::Type() : Name(NULL), Label(NULL) |
| 37 | { |
| 38 | ItmList[GlobalListLen] = this; |
| 39 | GlobalListLen++; |
| 40 | } |
| 41 | /*}}}*/ |
| 42 | // Type::GetType - Get a specific meta for a given type /*{{{*/ |
| 43 | // --------------------------------------------------------------------- |
| 44 | /* */ |
| 45 | pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type) |
| 46 | { |
| 47 | for (unsigned I = 0; I != GlobalListLen; I++) |
| 48 | if (strcmp(GlobalList[I]->Name,Type) == 0) |
| 49 | return GlobalList[I]; |
| 50 | return 0; |
| 51 | } |
| 52 | /*}}}*/ |
| 53 | // Type::FixupURI - Normalize the URI and check it.. /*{{{*/ |
| 54 | // --------------------------------------------------------------------- |
| 55 | /* */ |
| 56 | bool pkgSourceList::Type::FixupURI(string &URI) const |
| 57 | { |
| 58 | if (URI.empty() == true) |
| 59 | return false; |
| 60 | |
| 61 | if (URI.find(':') == string::npos) |
| 62 | return false; |
| 63 | |
| 64 | URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture")); |
| 65 | |
| 66 | // Make sure that the URI is / postfixed |
| 67 | if (URI[URI.size() - 1] != '/') |
| 68 | URI += '/'; |
| 69 | |
| 70 | return true; |
| 71 | } |
| 72 | /*}}}*/ |
| 73 | // Type::ParseLine - Parse a single line /*{{{*/ |
| 74 | // --------------------------------------------------------------------- |
| 75 | /* This is a generic one that is the 'usual' format for sources.list |
| 76 | Weird types may override this. */ |
| 77 | bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List, |
| 78 | const char *Buffer, |
| 79 | unsigned long const &CurLine, |
| 80 | string const &File) const |
| 81 | { |
| 82 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 83 | |
| 84 | // Parse option field if it exists |
| 85 | // e.g.: [ option1=value1 option2=value2 ] |
| 86 | map<string, string> Options; |
| 87 | if (Buffer != 0 && Buffer[0] == '[') |
| 88 | { |
| 89 | ++Buffer; // ignore the [ |
| 90 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 91 | while (*Buffer != ']') |
| 92 | { |
| 93 | // get one option, e.g. option1=value1 |
| 94 | string option; |
| 95 | if (ParseQuoteWord(Buffer,option) == false) |
| 96 | return _error->Error(_("Malformed line %lu in source list %s ([option] unparseable)"),CurLine,File.c_str()); |
| 97 | |
| 98 | if (option.length() < 3) |
| 99 | return _error->Error(_("Malformed line %lu in source list %s ([option] too short)"),CurLine,File.c_str()); |
| 100 | |
| 101 | // accept options even if the last has no space before the ]-end marker |
| 102 | if (option.at(option.length()-1) == ']') |
| 103 | { |
| 104 | for (; *Buffer != ']'; --Buffer); |
| 105 | option.resize(option.length()-1); |
| 106 | } |
| 107 | |
| 108 | size_t const needle = option.find('='); |
| 109 | if (needle == string::npos) |
| 110 | return _error->Error(_("Malformed line %lu in source list %s ([%s] is not an assignment)"),CurLine,File.c_str(), option.c_str()); |
| 111 | |
| 112 | string const key = string(option, 0, needle); |
| 113 | string const value = string(option, needle + 1, option.length()); |
| 114 | |
| 115 | if (key.empty() == true) |
| 116 | return _error->Error(_("Malformed line %lu in source list %s ([%s] has no key)"),CurLine,File.c_str(), option.c_str()); |
| 117 | |
| 118 | if (value.empty() == true) |
| 119 | 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()); |
| 120 | |
| 121 | Options[key] = value; |
| 122 | } |
| 123 | ++Buffer; // ignore the ] |
| 124 | for (;Buffer != 0 && isspace(*Buffer); ++Buffer); // Skip whitespaces |
| 125 | } |
| 126 | |
| 127 | string URI; |
| 128 | string Dist; |
| 129 | string Section; |
| 130 | |
| 131 | if (ParseQuoteWord(Buffer,URI) == false) |
| 132 | return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str()); |
| 133 | if (ParseQuoteWord(Buffer,Dist) == false) |
| 134 | return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str()); |
| 135 | |
| 136 | if (FixupURI(URI) == false) |
| 137 | return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str()); |
| 138 | |
| 139 | // Check for an absolute dists specification. |
| 140 | if (Dist.empty() == false && Dist[Dist.size() - 1] == '/') |
| 141 | { |
| 142 | if (ParseQuoteWord(Buffer,Section) == true) |
| 143 | return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str()); |
| 144 | Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture")); |
| 145 | return CreateItem(List, URI, Dist, Section, Options); |
| 146 | } |
| 147 | |
| 148 | // Grab the rest of the dists |
| 149 | if (ParseQuoteWord(Buffer,Section) == false) |
| 150 | return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str()); |
| 151 | |
| 152 | do |
| 153 | { |
| 154 | if (CreateItem(List, URI, Dist, Section, Options) == false) |
| 155 | return false; |
| 156 | } |
| 157 | while (ParseQuoteWord(Buffer,Section) == true); |
| 158 | |
| 159 | return true; |
| 160 | } |
| 161 | /*}}}*/ |
| 162 | |
| 163 | // SourceList::pkgSourceList - Constructors /*{{{*/ |
| 164 | // --------------------------------------------------------------------- |
| 165 | /* */ |
| 166 | pkgSourceList::pkgSourceList() |
| 167 | { |
| 168 | } |
| 169 | |
| 170 | pkgSourceList::pkgSourceList(string File) |
| 171 | { |
| 172 | Read(File); |
| 173 | } |
| 174 | /*}}}*/ |
| 175 | // SourceList::~pkgSourceList - Destructor /*{{{*/ |
| 176 | // --------------------------------------------------------------------- |
| 177 | /* */ |
| 178 | pkgSourceList::~pkgSourceList() |
| 179 | { |
| 180 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) |
| 181 | delete *I; |
| 182 | } |
| 183 | /*}}}*/ |
| 184 | /*}}}*/ |
| 185 | // SourceList::ReadMainList - Read the main source list from etc /*{{{*/ |
| 186 | // --------------------------------------------------------------------- |
| 187 | /* */ |
| 188 | bool pkgSourceList::ReadMainList() |
| 189 | { |
| 190 | // CNC:2003-03-03 - Multiple sources list support. |
| 191 | bool Res = true; |
| 192 | #if 0 |
| 193 | Res = ReadVendors(); |
| 194 | if (Res == false) |
| 195 | return false; |
| 196 | #endif |
| 197 | |
| 198 | Reset(); |
| 199 | // CNC:2003-11-28 - Entries in sources.list have priority over |
| 200 | // entries in sources.list.d. |
| 201 | string Main = _config->FindFile("Dir::Etc::sourcelist"); |
| 202 | string Parts = _config->FindDir("Dir::Etc::sourceparts"); |
| 203 | |
| 204 | if (RealFileExists(Main) == true) |
| 205 | Res &= ReadAppend(Main); |
| 206 | else if (DirectoryExists(Parts) == false) |
| 207 | // Only warn if there are no sources.list.d. |
| 208 | _error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str()); |
| 209 | |
| 210 | if (DirectoryExists(Parts) == true) |
| 211 | Res &= ReadSourceDir(Parts); |
| 212 | else if (RealFileExists(Main) == false) |
| 213 | // Only warn if there is no sources.list file. |
| 214 | _error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str()); |
| 215 | |
| 216 | return Res; |
| 217 | } |
| 218 | /*}}}*/ |
| 219 | // CNC:2003-03-03 - Needed to preserve backwards compatibility. |
| 220 | // SourceList::Reset - Clear the sourcelist contents /*{{{*/ |
| 221 | // --------------------------------------------------------------------- |
| 222 | /* */ |
| 223 | void pkgSourceList::Reset() |
| 224 | { |
| 225 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) |
| 226 | delete *I; |
| 227 | SrcList.erase(SrcList.begin(),SrcList.end()); |
| 228 | } |
| 229 | /*}}}*/ |
| 230 | // CNC:2003-03-03 - Function moved to ReadAppend() and Reset(). |
| 231 | // SourceList::Read - Parse the sourcelist file /*{{{*/ |
| 232 | // --------------------------------------------------------------------- |
| 233 | /* */ |
| 234 | bool pkgSourceList::Read(string File) |
| 235 | { |
| 236 | Reset(); |
| 237 | return ReadAppend(File); |
| 238 | } |
| 239 | /*}}}*/ |
| 240 | // SourceList::ReadAppend - Parse a sourcelist file /*{{{*/ |
| 241 | // --------------------------------------------------------------------- |
| 242 | /* */ |
| 243 | bool pkgSourceList::ReadAppend(string File) |
| 244 | { |
| 245 | // Open the stream for reading |
| 246 | ifstream F(File.c_str(),ios::in /*| ios::nocreate*/); |
| 247 | if (!F != 0) |
| 248 | return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str()); |
| 249 | |
| 250 | #if 0 // Now Reset() does this. |
| 251 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) |
| 252 | delete *I; |
| 253 | SrcList.erase(SrcList.begin(),SrcList.end()); |
| 254 | #endif |
| 255 | // CNC:2003-12-10 - 300 is too short. |
| 256 | char Buffer[1024]; |
| 257 | |
| 258 | int CurLine = 0; |
| 259 | while (F.eof() == false) |
| 260 | { |
| 261 | F.getline(Buffer,sizeof(Buffer)); |
| 262 | CurLine++; |
| 263 | _strtabexpand(Buffer,sizeof(Buffer)); |
| 264 | if (F.fail() && !F.eof()) |
| 265 | return _error->Error(_("Line %u too long in source list %s."), |
| 266 | CurLine,File.c_str()); |
| 267 | |
| 268 | |
| 269 | char *I; |
| 270 | // CNC:2003-02-20 - Do not break if '#' is inside []. |
| 271 | for (I = Buffer; *I != 0 && *I != '#'; I++) |
| 272 | if (*I == '[') |
| 273 | { |
| 274 | char *b_end = strchr(I + 1, ']'); |
| 275 | if (b_end != NULL) |
| 276 | I = b_end; |
| 277 | } |
| 278 | *I = 0; |
| 279 | |
| 280 | const char *C = _strstrip(Buffer); |
| 281 | |
| 282 | // Comment or blank |
| 283 | if (C[0] == '#' || C[0] == 0) |
| 284 | continue; |
| 285 | |
| 286 | // Grok it |
| 287 | string LineType; |
| 288 | if (ParseQuoteWord(C,LineType) == false) |
| 289 | return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str()); |
| 290 | |
| 291 | Type *Parse = Type::GetType(LineType.c_str()); |
| 292 | if (Parse == 0) |
| 293 | return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str()); |
| 294 | |
| 295 | if (Parse->ParseLine(SrcList, C, CurLine, File) == false) |
| 296 | return false; |
| 297 | } |
| 298 | return true; |
| 299 | } |
| 300 | /*}}}*/ |
| 301 | // SourceList::FindIndex - Get the index associated with a file /*{{{*/ |
| 302 | // --------------------------------------------------------------------- |
| 303 | /* */ |
| 304 | bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, |
| 305 | pkgIndexFile *&Found) const |
| 306 | { |
| 307 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) |
| 308 | { |
| 309 | vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles(); |
| 310 | for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin(); |
| 311 | J != Indexes->end(); ++J) |
| 312 | { |
| 313 | if ((*J)->FindInCache(*File.Cache()) == File) |
| 314 | { |
| 315 | Found = (*J); |
| 316 | return true; |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | return false; |
| 322 | } |
| 323 | /*}}}*/ |
| 324 | // SourceList::GetIndexes - Load the index files into the downloader /*{{{*/ |
| 325 | // --------------------------------------------------------------------- |
| 326 | /* */ |
| 327 | bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const |
| 328 | { |
| 329 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I) |
| 330 | if ((*I)->GetIndexes(Owner,GetAll) == false) |
| 331 | return false; |
| 332 | return true; |
| 333 | } |
| 334 | /*}}}*/ |
| 335 | // CNC:2003-03-03 - By Anton V. Denisov <avd@altlinux.org>. |
| 336 | // SourceList::ReadSourceDir - Read a directory with sources files |
| 337 | // Based on ReadConfigDir() /*{{{*/ |
| 338 | // --------------------------------------------------------------------- |
| 339 | /* */ |
| 340 | bool pkgSourceList::ReadSourceDir(string Dir) |
| 341 | { |
| 342 | vector<string> const List = GetListOfFilesInDir(Dir, "list", true); |
| 343 | |
| 344 | // Read the files |
| 345 | for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I) |
| 346 | if (ReadAppend(*I) == false) |
| 347 | return false; |
| 348 | return true; |
| 349 | |
| 350 | } |
| 351 | /*}}}*/ |
| 352 | // GetLastModified() /*{{{*/ |
| 353 | // --------------------------------------------------------------------- |
| 354 | /* */ |
| 355 | time_t pkgSourceList::GetLastModifiedTime() |
| 356 | { |
| 357 | vector<string> List; |
| 358 | |
| 359 | string Main = _config->FindFile("Dir::Etc::sourcelist"); |
| 360 | string Parts = _config->FindDir("Dir::Etc::sourceparts"); |
| 361 | |
| 362 | // go over the parts |
| 363 | if (DirectoryExists(Parts) == true) |
| 364 | List = GetListOfFilesInDir(Parts, "list", true); |
| 365 | |
| 366 | // calculate the time |
| 367 | time_t mtime_sources = GetModificationTime(Main); |
| 368 | for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I) |
| 369 | mtime_sources = std::max(mtime_sources, GetModificationTime(*I)); |
| 370 | |
| 371 | return mtime_sources; |
| 372 | } |
| 373 | /*}}}*/ |
| 374 | |