| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: configuration.cc,v 1.16 2001/03/03 23:29:55 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | Configuration Class |
| 7 | |
| 8 | This class provides a configuration file and command line parser |
| 9 | for a tree-oriented configuration environment. All runtime configuration |
| 10 | is stored in here. |
| 11 | |
| 12 | ##################################################################### */ |
| 13 | /*}}}*/ |
| 14 | // Include files /*{{{*/ |
| 15 | #ifdef __GNUG__ |
| 16 | #pragma implementation "apt-pkg/configuration.h" |
| 17 | #endif |
| 18 | #include <apt-pkg/configuration.h> |
| 19 | #include <apt-pkg/error.h> |
| 20 | #include <apt-pkg/strutl.h> |
| 21 | #include <apt-pkg/fileutl.h> |
| 22 | #include <apti18n.h> |
| 23 | |
| 24 | #include <vector> |
| 25 | #include <algorithm> |
| 26 | #include <fstream> |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <dirent.h> |
| 30 | #include <sys/stat.h> |
| 31 | #include <unistd.h> |
| 32 | /*}}}*/ |
| 33 | |
| 34 | Configuration *_config = new Configuration; |
| 35 | |
| 36 | // Configuration::Configuration - Constructor /*{{{*/ |
| 37 | // --------------------------------------------------------------------- |
| 38 | /* */ |
| 39 | Configuration::Configuration() : ToFree(true) |
| 40 | { |
| 41 | Root = new Item; |
| 42 | } |
| 43 | Configuration::Configuration(const Item *Root) : Root((Item *)Root), ToFree(false) |
| 44 | { |
| 45 | }; |
| 46 | |
| 47 | /*}}}*/ |
| 48 | // Configuration::~Configuration - Destructor /*{{{*/ |
| 49 | // --------------------------------------------------------------------- |
| 50 | /* */ |
| 51 | Configuration::~Configuration() |
| 52 | { |
| 53 | if (ToFree == false) |
| 54 | return; |
| 55 | |
| 56 | Item *Top = Root; |
| 57 | for (; Top != 0;) |
| 58 | { |
| 59 | if (Top->Child != 0) |
| 60 | { |
| 61 | Top = Top->Child; |
| 62 | continue; |
| 63 | } |
| 64 | |
| 65 | while (Top != 0 && Top->Next == 0) |
| 66 | { |
| 67 | Item *Parent = Top->Parent; |
| 68 | delete Top; |
| 69 | Top = Parent; |
| 70 | } |
| 71 | if (Top != 0) |
| 72 | { |
| 73 | Item *Next = Top->Next; |
| 74 | delete Top; |
| 75 | Top = Next; |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | /*}}}*/ |
| 80 | // Configuration::Lookup - Lookup a single item /*{{{*/ |
| 81 | // --------------------------------------------------------------------- |
| 82 | /* This will lookup a single item by name below another item. It is a |
| 83 | helper function for the main lookup function */ |
| 84 | Configuration::Item *Configuration::Lookup(Item *Head,const char *S, |
| 85 | unsigned long Len,bool Create) |
| 86 | { |
| 87 | int Res = 1; |
| 88 | Item *I = Head->Child; |
| 89 | Item **Last = &Head->Child; |
| 90 | |
| 91 | // Empty strings match nothing. They are used for lists. |
| 92 | if (Len != 0) |
| 93 | { |
| 94 | for (; I != 0; Last = &I->Next, I = I->Next) |
| 95 | if ((Res = stringcasecmp(I->Tag.begin(),I->Tag.end(),S,S + Len)) == 0) |
| 96 | break; |
| 97 | } |
| 98 | else |
| 99 | for (; I != 0; Last = &I->Next, I = I->Next); |
| 100 | |
| 101 | if (Res == 0) |
| 102 | return I; |
| 103 | if (Create == false) |
| 104 | return 0; |
| 105 | |
| 106 | I = new Item; |
| 107 | I->Tag = string(S,Len); |
| 108 | I->Next = *Last; |
| 109 | I->Parent = Head; |
| 110 | *Last = I; |
| 111 | return I; |
| 112 | } |
| 113 | /*}}}*/ |
| 114 | // Configuration::Lookup - Lookup a fully scoped item /*{{{*/ |
| 115 | // --------------------------------------------------------------------- |
| 116 | /* This performs a fully scoped lookup of a given name, possibly creating |
| 117 | new items */ |
| 118 | Configuration::Item *Configuration::Lookup(const char *Name,bool Create) |
| 119 | { |
| 120 | if (Name == 0) |
| 121 | return Root->Child; |
| 122 | |
| 123 | const char *Start = Name; |
| 124 | const char *End = Start + strlen(Name); |
| 125 | const char *TagEnd = Name; |
| 126 | Item *Itm = Root; |
| 127 | for (; End - TagEnd >= 2; TagEnd++) |
| 128 | { |
| 129 | if (TagEnd[0] == ':' && TagEnd[1] == ':') |
| 130 | { |
| 131 | Itm = Lookup(Itm,Start,TagEnd - Start,Create); |
| 132 | if (Itm == 0) |
| 133 | return 0; |
| 134 | TagEnd = Start = TagEnd + 2; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | // This must be a trailing ::, we create unique items in a list |
| 139 | if (End - Start == 0) |
| 140 | { |
| 141 | if (Create == false) |
| 142 | return 0; |
| 143 | } |
| 144 | |
| 145 | Itm = Lookup(Itm,Start,End - Start,Create); |
| 146 | return Itm; |
| 147 | } |
| 148 | /*}}}*/ |
| 149 | // Configuration::Find - Find a value /*{{{*/ |
| 150 | // --------------------------------------------------------------------- |
| 151 | /* */ |
| 152 | string Configuration::Find(const char *Name,const char *Default) const |
| 153 | { |
| 154 | const Item *Itm = Lookup(Name); |
| 155 | if (Itm == 0 || Itm->Value.empty() == true) |
| 156 | { |
| 157 | if (Default == 0) |
| 158 | return string(); |
| 159 | else |
| 160 | return Default; |
| 161 | } |
| 162 | |
| 163 | return Itm->Value; |
| 164 | } |
| 165 | /*}}}*/ |
| 166 | // Configuration::FindFile - Find a Filename /*{{{*/ |
| 167 | // --------------------------------------------------------------------- |
| 168 | /* Directories are stored as the base dir in the Parent node and the |
| 169 | sub directory in sub nodes with the final node being the end filename |
| 170 | */ |
| 171 | string Configuration::FindFile(const char *Name,const char *Default) const |
| 172 | { |
| 173 | const Item *Itm = Lookup(Name); |
| 174 | if (Itm == 0 || Itm->Value.empty() == true) |
| 175 | { |
| 176 | if (Default == 0) |
| 177 | return string(); |
| 178 | else |
| 179 | return Default; |
| 180 | } |
| 181 | |
| 182 | string val = Itm->Value; |
| 183 | while (Itm->Parent != 0 && Itm->Parent->Value.empty() == false) |
| 184 | { |
| 185 | // Absolute |
| 186 | if (val.length() >= 1 && val[0] == '/') |
| 187 | break; |
| 188 | |
| 189 | // ~/foo or ./foo |
| 190 | if (val.length() >= 2 && (val[0] == '~' || val[0] == '.') && val[1] == '/') |
| 191 | break; |
| 192 | |
| 193 | // ../foo |
| 194 | if (val.length() >= 3 && val[0] == '.' && val[1] == '.' && val[2] == '/') |
| 195 | break; |
| 196 | |
| 197 | if (Itm->Parent->Value.end()[-1] != '/') |
| 198 | val.insert(0, "/"); |
| 199 | |
| 200 | val.insert(0, Itm->Parent->Value); |
| 201 | Itm = Itm->Parent; |
| 202 | } |
| 203 | |
| 204 | return val; |
| 205 | } |
| 206 | /*}}}*/ |
| 207 | // Configuration::FindDir - Find a directory name /*{{{*/ |
| 208 | // --------------------------------------------------------------------- |
| 209 | /* This is like findfile execept the result is terminated in a / */ |
| 210 | string Configuration::FindDir(const char *Name,const char *Default) const |
| 211 | { |
| 212 | string Res = FindFile(Name,Default); |
| 213 | if (Res.end()[-1] != '/') |
| 214 | return Res + '/'; |
| 215 | return Res; |
| 216 | } |
| 217 | /*}}}*/ |
| 218 | // Configuration::FindI - Find an integer value /*{{{*/ |
| 219 | // --------------------------------------------------------------------- |
| 220 | /* */ |
| 221 | int Configuration::FindI(const char *Name,int Default) const |
| 222 | { |
| 223 | const Item *Itm = Lookup(Name); |
| 224 | if (Itm == 0 || Itm->Value.empty() == true) |
| 225 | return Default; |
| 226 | |
| 227 | char *End; |
| 228 | int Res = strtol(Itm->Value.c_str(),&End,0); |
| 229 | if (End == Itm->Value.c_str()) |
| 230 | return Default; |
| 231 | |
| 232 | return Res; |
| 233 | } |
| 234 | /*}}}*/ |
| 235 | // Configuration::FindB - Find a boolean type /*{{{*/ |
| 236 | // --------------------------------------------------------------------- |
| 237 | /* */ |
| 238 | bool Configuration::FindB(const char *Name,bool Default) const |
| 239 | { |
| 240 | const Item *Itm = Lookup(Name); |
| 241 | if (Itm == 0 || Itm->Value.empty() == true) |
| 242 | return Default; |
| 243 | |
| 244 | return StringToBool(Itm->Value,Default); |
| 245 | } |
| 246 | /*}}}*/ |
| 247 | // Configuration::FindAny - Find an arbitrary type /*{{{*/ |
| 248 | // --------------------------------------------------------------------- |
| 249 | /* a key suffix of /f, /d, /b or /i calls Find{File,Dir,B,I} */ |
| 250 | string Configuration::FindAny(const char *Name,const char *Default) const |
| 251 | { |
| 252 | string key = Name; |
| 253 | char type = 0; |
| 254 | |
| 255 | if (key.size() > 2 && key.end()[-2] == '/') |
| 256 | { |
| 257 | type = key.end()[-1]; |
| 258 | key.resize(key.size() - 2); |
| 259 | } |
| 260 | |
| 261 | switch (type) |
| 262 | { |
| 263 | // file |
| 264 | case 'f': |
| 265 | return FindFile(key.c_str(), Default); |
| 266 | |
| 267 | // directory |
| 268 | case 'd': |
| 269 | return FindDir(key.c_str(), Default); |
| 270 | |
| 271 | // bool |
| 272 | case 'b': |
| 273 | return FindB(key, Default) ? "true" : "false"; |
| 274 | |
| 275 | // int |
| 276 | case 'i': |
| 277 | { |
| 278 | char buf[16]; |
| 279 | snprintf(buf, sizeof(buf)-1, "%d", FindI(key, Default)); |
| 280 | return buf; |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | // fallback |
| 285 | return Find(Name, Default); |
| 286 | } |
| 287 | /*}}}*/ |
| 288 | // Configuration::CndSet - Conditinal Set a value /*{{{*/ |
| 289 | // --------------------------------------------------------------------- |
| 290 | /* This will not overwrite */ |
| 291 | void Configuration::CndSet(const char *Name,string Value) |
| 292 | { |
| 293 | Item *Itm = Lookup(Name,true); |
| 294 | if (Itm == 0) |
| 295 | return; |
| 296 | if (Itm->Value.empty() == true) |
| 297 | Itm->Value = Value; |
| 298 | } |
| 299 | /*}}}*/ |
| 300 | // Configuration::Set - Set a value /*{{{*/ |
| 301 | // --------------------------------------------------------------------- |
| 302 | /* */ |
| 303 | void Configuration::Set(const char *Name,string Value) |
| 304 | { |
| 305 | Item *Itm = Lookup(Name,true); |
| 306 | if (Itm == 0) |
| 307 | return; |
| 308 | Itm->Value = Value; |
| 309 | } |
| 310 | /*}}}*/ |
| 311 | // Configuration::Set - Set an integer value /*{{{*/ |
| 312 | // --------------------------------------------------------------------- |
| 313 | /* */ |
| 314 | void Configuration::Set(const char *Name,int Value) |
| 315 | { |
| 316 | Item *Itm = Lookup(Name,true); |
| 317 | if (Itm == 0) |
| 318 | return; |
| 319 | char S[300]; |
| 320 | snprintf(S,sizeof(S),"%i",Value); |
| 321 | Itm->Value = S; |
| 322 | } |
| 323 | /*}}}*/ |
| 324 | // Configuration::Clear - Clear an entire tree /*{{{*/ |
| 325 | // --------------------------------------------------------------------- |
| 326 | /* */ |
| 327 | void Configuration::Clear(string Name) |
| 328 | { |
| 329 | Item *Top = Lookup(Name.c_str(),false); |
| 330 | if (Top == 0) |
| 331 | return; |
| 332 | |
| 333 | Top->Value = string(); |
| 334 | Item *Stop = Top; |
| 335 | Top = Top->Child; |
| 336 | Stop->Child = 0; |
| 337 | for (; Top != 0;) |
| 338 | { |
| 339 | if (Top->Child != 0) |
| 340 | { |
| 341 | Top = Top->Child; |
| 342 | continue; |
| 343 | } |
| 344 | |
| 345 | while (Top != 0 && Top->Next == 0) |
| 346 | { |
| 347 | Item *Tmp = Top; |
| 348 | Top = Top->Parent; |
| 349 | delete Tmp; |
| 350 | |
| 351 | if (Top == Stop) |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | Item *Tmp = Top; |
| 356 | if (Top != 0) |
| 357 | Top = Top->Next; |
| 358 | delete Tmp; |
| 359 | } |
| 360 | } |
| 361 | /*}}}*/ |
| 362 | // Configuration::Exists - Returns true if the Name exists /*{{{*/ |
| 363 | // --------------------------------------------------------------------- |
| 364 | /* */ |
| 365 | bool Configuration::Exists(const char *Name) const |
| 366 | { |
| 367 | const Item *Itm = Lookup(Name); |
| 368 | if (Itm == 0) |
| 369 | return false; |
| 370 | return true; |
| 371 | } |
| 372 | /*}}}*/ |
| 373 | // Configuration::ExistsAny - Returns true if the Name, possibly /*{{{*/ |
| 374 | // --------------------------------------------------------------------- |
| 375 | /* qualified by /[fdbi] exists */ |
| 376 | bool Configuration::ExistsAny(const char *Name) const |
| 377 | { |
| 378 | string key = Name; |
| 379 | |
| 380 | if (key.size() > 2 && key.end()[-2] == '/' && |
| 381 | key.find_first_of("fdbi",key.size()-1) < key.size()) |
| 382 | { |
| 383 | key.resize(key.size() - 2); |
| 384 | if (Exists(key.c_str())) |
| 385 | return true; |
| 386 | } |
| 387 | |
| 388 | return Exists(Name); |
| 389 | } |
| 390 | /*}}}*/ |
| 391 | // Configuration::Dump - Dump the config /*{{{*/ |
| 392 | // --------------------------------------------------------------------- |
| 393 | /* Dump the entire configuration space */ |
| 394 | void Configuration::Dump() |
| 395 | { |
| 396 | /* Write out all of the configuration directives by walking the |
| 397 | configuration tree */ |
| 398 | const Configuration::Item *Top = Tree(0); |
| 399 | for (; Top != 0;) |
| 400 | { |
| 401 | clog << Top->FullTag() << " \"" << Top->Value << "\";" << endl; |
| 402 | |
| 403 | if (Top->Child != 0) |
| 404 | { |
| 405 | Top = Top->Child; |
| 406 | continue; |
| 407 | } |
| 408 | |
| 409 | while (Top != 0 && Top->Next == 0) |
| 410 | Top = Top->Parent; |
| 411 | if (Top != 0) |
| 412 | Top = Top->Next; |
| 413 | } |
| 414 | } |
| 415 | /*}}}*/ |
| 416 | |
| 417 | // Configuration::Item::FullTag - Return the fully scoped tag /*{{{*/ |
| 418 | // --------------------------------------------------------------------- |
| 419 | /* Stop sets an optional max recursion depth if this item is being viewed as |
| 420 | part of a sub tree. */ |
| 421 | string Configuration::Item::FullTag(const Item *Stop) const |
| 422 | { |
| 423 | if (Parent == 0 || Parent->Parent == 0 || Parent == Stop) |
| 424 | return Tag; |
| 425 | return Parent->FullTag(Stop) + "::" + Tag; |
| 426 | } |
| 427 | /*}}}*/ |
| 428 | |
| 429 | // ReadConfigFile - Read a configuration file /*{{{*/ |
| 430 | // --------------------------------------------------------------------- |
| 431 | /* The configuration format is very much like the named.conf format |
| 432 | used in bind8, in fact this routine can parse most named.conf files. |
| 433 | Sectional config files are like bind's named.conf where there are |
| 434 | sections like 'zone "foo.org" { .. };' This causes each section to be |
| 435 | added in with a tag like "zone::foo.org" instead of being split |
| 436 | tag/value. */ |
| 437 | bool ReadConfigFile(Configuration &Conf,string FName,bool AsSectional, |
| 438 | unsigned Depth) |
| 439 | { |
| 440 | // Open the stream for reading |
| 441 | ifstream F(FName.c_str(),ios::in | ios::nocreate); |
| 442 | if (!F != 0) |
| 443 | return _error->Errno("ifstream::ifstream",_("Opening configuration file %s"),FName.c_str()); |
| 444 | |
| 445 | char Buffer[300]; |
| 446 | string LineBuffer; |
| 447 | string Stack[100]; |
| 448 | unsigned int StackPos = 0; |
| 449 | |
| 450 | // Parser state |
| 451 | string ParentTag; |
| 452 | |
| 453 | int CurLine = 0; |
| 454 | bool InComment = false; |
| 455 | while (F.eof() == false) |
| 456 | { |
| 457 | F.getline(Buffer,sizeof(Buffer)); |
| 458 | CurLine++; |
| 459 | _strtabexpand(Buffer,sizeof(Buffer)); |
| 460 | _strstrip(Buffer); |
| 461 | |
| 462 | // Multi line comment |
| 463 | if (InComment == true) |
| 464 | { |
| 465 | for (const char *I = Buffer; *I != 0; I++) |
| 466 | { |
| 467 | if (*I == '*' && I[1] == '/') |
| 468 | { |
| 469 | memmove(Buffer,I+2,strlen(I+2) + 1); |
| 470 | InComment = false; |
| 471 | break; |
| 472 | } |
| 473 | } |
| 474 | if (InComment == true) |
| 475 | continue; |
| 476 | } |
| 477 | |
| 478 | // Discard single line comments |
| 479 | bool InQuote = false; |
| 480 | for (char *I = Buffer; *I != 0; I++) |
| 481 | { |
| 482 | if (*I == '"') |
| 483 | InQuote = !InQuote; |
| 484 | if (InQuote == true) |
| 485 | continue; |
| 486 | |
| 487 | if (*I == '/' && I[1] == '/') |
| 488 | { |
| 489 | *I = 0; |
| 490 | break; |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | // Look for multi line comments |
| 495 | InQuote = false; |
| 496 | for (char *I = Buffer; *I != 0; I++) |
| 497 | { |
| 498 | if (*I == '"') |
| 499 | InQuote = !InQuote; |
| 500 | if (InQuote == true) |
| 501 | continue; |
| 502 | |
| 503 | if (*I == '/' && I[1] == '*') |
| 504 | { |
| 505 | InComment = true; |
| 506 | for (char *J = Buffer; *J != 0; J++) |
| 507 | { |
| 508 | if (*J == '*' && J[1] == '/') |
| 509 | { |
| 510 | memmove(I,J+2,strlen(J+2) + 1); |
| 511 | InComment = false; |
| 512 | break; |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | if (InComment == true) |
| 517 | { |
| 518 | *I = 0; |
| 519 | break; |
| 520 | } |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | // Blank |
| 525 | if (Buffer[0] == 0) |
| 526 | continue; |
| 527 | |
| 528 | // We now have a valid line fragment |
| 529 | InQuote = false; |
| 530 | for (char *I = Buffer; *I != 0;) |
| 531 | { |
| 532 | if (*I == '"') |
| 533 | InQuote = !InQuote; |
| 534 | |
| 535 | if (InQuote == false && (*I == '{' || *I == ';' || *I == '}')) |
| 536 | { |
| 537 | // Put the last fragment into the buffer |
| 538 | char *Start = Buffer; |
| 539 | char *Stop = I; |
| 540 | for (; Start != I && isspace(*Start) != 0; Start++); |
| 541 | for (; Stop != Start && isspace(Stop[-1]) != 0; Stop--); |
| 542 | if (LineBuffer.empty() == false && Stop - Start != 0) |
| 543 | LineBuffer += ' '; |
| 544 | LineBuffer += string(Start,Stop - Start); |
| 545 | |
| 546 | // Remove the fragment |
| 547 | char TermChar = *I; |
| 548 | memmove(Buffer,I + 1,strlen(I + 1) + 1); |
| 549 | I = Buffer; |
| 550 | |
| 551 | // Syntax Error |
| 552 | if (TermChar == '{' && LineBuffer.empty() == true) |
| 553 | return _error->Error(_("Syntax error %s:%u: Block starts with no name."),FName.c_str(),CurLine); |
| 554 | |
| 555 | // No string on this line |
| 556 | if (LineBuffer.empty() == true) |
| 557 | { |
| 558 | if (TermChar == '}') |
| 559 | { |
| 560 | if (StackPos == 0) |
| 561 | ParentTag = string(); |
| 562 | else |
| 563 | ParentTag = Stack[--StackPos]; |
| 564 | } |
| 565 | continue; |
| 566 | } |
| 567 | |
| 568 | // Parse off the tag |
| 569 | string Tag; |
| 570 | const char *Pos = LineBuffer.c_str(); |
| 571 | if (ParseQuoteWord(Pos,Tag) == false) |
| 572 | return _error->Error(_("Syntax error %s:%u: Malformed Tag"),FName.c_str(),CurLine); |
| 573 | |
| 574 | // Parse off the word |
| 575 | string Word; |
| 576 | if (ParseCWord(Pos,Word) == false && |
| 577 | ParseQuoteWord(Pos,Word) == false) |
| 578 | { |
| 579 | if (TermChar != '{') |
| 580 | { |
| 581 | Word = Tag; |
| 582 | Tag = ""; |
| 583 | } |
| 584 | } |
| 585 | if (strlen(Pos) != 0) |
| 586 | return _error->Error(_("Syntax error %s:%u: Extra junk after value"),FName.c_str(),CurLine); |
| 587 | |
| 588 | // Go down a level |
| 589 | if (TermChar == '{') |
| 590 | { |
| 591 | if (StackPos <= 100) |
| 592 | Stack[StackPos++] = ParentTag; |
| 593 | |
| 594 | /* Make sectional tags incorperate the section into the |
| 595 | tag string */ |
| 596 | if (AsSectional == true && Word.empty() == false) |
| 597 | { |
| 598 | Tag += "::" ; |
| 599 | Tag += Word; |
| 600 | Word = ""; |
| 601 | } |
| 602 | |
| 603 | if (ParentTag.empty() == true) |
| 604 | ParentTag = Tag; |
| 605 | else |
| 606 | ParentTag += string("::") + Tag; |
| 607 | Tag = string(); |
| 608 | } |
| 609 | |
| 610 | // Generate the item name |
| 611 | string Item; |
| 612 | if (ParentTag.empty() == true) |
| 613 | Item = Tag; |
| 614 | else |
| 615 | { |
| 616 | if (TermChar != '{' || Tag.empty() == false) |
| 617 | Item = ParentTag + "::" + Tag; |
| 618 | else |
| 619 | Item = ParentTag; |
| 620 | } |
| 621 | |
| 622 | // Specials |
| 623 | if (Tag.length() >= 1 && Tag[0] == '#') |
| 624 | { |
| 625 | if (ParentTag.empty() == false) |
| 626 | return _error->Error(_("Syntax error %s:%u: Directives can only be done at the top level"),FName.c_str(),CurLine); |
| 627 | Tag.erase(Tag.begin()); |
| 628 | if (Tag == "clear") |
| 629 | Conf.Clear(Word); |
| 630 | else if (Tag == "include") |
| 631 | { |
| 632 | if (Depth > 10) |
| 633 | return _error->Error(_("Syntax error %s:%u: Too many nested includes"),FName.c_str(),CurLine); |
| 634 | if (Word.length() > 2 && Word.end()[-1] == '/') |
| 635 | { |
| 636 | if (ReadConfigDir(Conf,Word,AsSectional,Depth+1) == false) |
| 637 | return _error->Error(_("Syntax error %s:%u: Included from here"),FName.c_str(),CurLine); |
| 638 | } |
| 639 | else |
| 640 | { |
| 641 | if (ReadConfigFile(Conf,Word,AsSectional,Depth+1) == false) |
| 642 | return _error->Error(_("Syntax error %s:%u: Included from here"),FName.c_str(),CurLine); |
| 643 | } |
| 644 | } |
| 645 | else |
| 646 | return _error->Error(_("Syntax error %s:%u: Unsupported directive '%s'"),FName.c_str(),CurLine,Tag.c_str()); |
| 647 | } |
| 648 | else |
| 649 | { |
| 650 | // Set the item in the configuration class |
| 651 | Conf.Set(Item,Word); |
| 652 | } |
| 653 | |
| 654 | // Empty the buffer |
| 655 | LineBuffer = string(); |
| 656 | |
| 657 | // Move up a tag, but only if there is no bit to parse |
| 658 | if (TermChar == '}') |
| 659 | { |
| 660 | if (StackPos == 0) |
| 661 | ParentTag = string(); |
| 662 | else |
| 663 | ParentTag = Stack[--StackPos]; |
| 664 | } |
| 665 | |
| 666 | } |
| 667 | else |
| 668 | I++; |
| 669 | } |
| 670 | |
| 671 | // Store the fragment |
| 672 | const char *Stripd = _strstrip(Buffer); |
| 673 | if (*Stripd != 0 && LineBuffer.empty() == false) |
| 674 | LineBuffer += " "; |
| 675 | LineBuffer += Stripd; |
| 676 | } |
| 677 | |
| 678 | if (LineBuffer.empty() == false) |
| 679 | return _error->Error(_("Syntax error %s:%u: Extra junk at end of file"),FName.c_str(),CurLine); |
| 680 | return true; |
| 681 | } |
| 682 | /*}}}*/ |
| 683 | // ReadConfigDir - Read a directory of config files /*{{{*/ |
| 684 | // --------------------------------------------------------------------- |
| 685 | /* */ |
| 686 | bool ReadConfigDir(Configuration &Conf,string Dir,bool AsSectional, |
| 687 | unsigned Depth) |
| 688 | { |
| 689 | static const char *BadExts[] = {".disabled",".dpkg-old",".dpkg-dist", |
| 690 | ".rpmsave",".rpmorig","~",",v",0}; |
| 691 | |
| 692 | DIR *D = opendir(Dir.c_str()); |
| 693 | if (D == 0) |
| 694 | return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); |
| 695 | |
| 696 | vector<string> List; |
| 697 | |
| 698 | for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) |
| 699 | { |
| 700 | if (Ent->d_name[0] == '.') |
| 701 | continue; |
| 702 | |
| 703 | // Skip bad extensions |
| 704 | const char **I; |
| 705 | for (I = BadExts; *I != 0; I++) |
| 706 | { |
| 707 | if (strcmp(Ent->d_name + strlen(Ent->d_name) - strlen(*I),*I) == 0) |
| 708 | break; |
| 709 | } |
| 710 | |
| 711 | if (*I != 0) |
| 712 | continue; |
| 713 | |
| 714 | // Make sure it is a file and not something else |
| 715 | string File = flCombine(Dir,Ent->d_name); |
| 716 | struct stat St; |
| 717 | if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0) |
| 718 | continue; |
| 719 | |
| 720 | List.push_back(File); |
| 721 | } |
| 722 | closedir(D); |
| 723 | |
| 724 | sort(List.begin(),List.end()); |
| 725 | |
| 726 | // Read the files |
| 727 | for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++) |
| 728 | if (ReadConfigFile(Conf,*I,AsSectional,Depth) == false) |
| 729 | return false; |
| 730 | return true; |
| 731 | } |
| 732 | /*}}}*/ |