1 #ifndef lint 2 static const char yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93"; 3 #endif 4 5 #include <stdlib.h> 6 7 #define YYBYACC 1 8 #define YYMAJOR 1 9 #define YYMINOR 9 10 #define YYPATCH 20050813 11 12 #define YYEMPTY (-1) 13 #define yyclearin (yychar = YYEMPTY) 14 #define yyerrok (yyerrflag = 0) 15 #define YYRECOVERING (yyerrflag != 0) 16 17 extern int yyparse(void); 18 19 static int yygrowstack(void); 20 #define YYPREFIX "yy" 21 #line 2 "parser.y" 22 /* 23 * 24 * BlueZ - Bluetooth protocol stack for Linux 25 * 26 * Copyright (C) 2002-2008 Marcel Holtmann <marcel (at) holtmann.org> 27 * 28 * 29 * This program is free software; you can redistribute it and/or modify 30 * it under the terms of the GNU General Public License as published by 31 * the Free Software Foundation; either version 2 of the License, or 32 * (at your option) any later version. 33 * 34 * This program is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 37 * GNU General Public License for more details. 38 * 39 * You should have received a copy of the GNU General Public License 40 * along with this program; if not, write to the Free Software 41 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 42 * 43 */ 44 45 #ifdef HAVE_CONFIG_H 46 #include <config.h> 47 #endif 48 49 #include <stdio.h> 50 #include <errno.h> 51 #include <unistd.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <sys/param.h> 55 #include <sys/socket.h> 56 57 #include <bluetooth/bluetooth.h> 58 #include <bluetooth/rfcomm.h> 59 60 #include "kword.h" 61 62 int yylex(void); 63 int yyerror(char *s); 64 65 struct rfcomm_opts *opts; 66 67 #line 49 "parser.y" 68 typedef union { 69 int number; 70 char *string; 71 bdaddr_t *bdaddr; 72 } YYSTYPE; 73 #line 74 "y.tab.c" 74 #define K_BIND 257 75 #define K_DEVICE 258 76 #define K_CHANNEL 259 77 #define K_COMMENT 260 78 #define K_YES 261 79 #define K_NO 262 80 #define NUMBER 263 81 #define RFCOMM 264 82 #define STRING 265 83 #define WORD 266 84 #define BDADDR 267 85 #define YYERRCODE 256 86 short yylhs[] = { -1, 87 0, 0, 0, 2, 2, 2, 2, 3, 5, 4, 88 4, 4, 6, 6, 6, 6, 6, 1, 1, 89 }; 90 short yylen[] = { 2, 91 0, 1, 2, 4, 4, 1, 1, 1, 1, 2, 92 2, 3, 2, 2, 2, 2, 1, 1, 1, 93 }; 94 short yydefred[] = { 0, 95 7, 9, 0, 0, 2, 0, 0, 3, 0, 0, 96 0, 0, 0, 0, 0, 17, 0, 0, 0, 11, 97 18, 19, 13, 14, 15, 16, 4, 0, 10, 5, 98 12, 99 }; 100 short yydgoto[] = { 4, 101 23, 5, 6, 17, 7, 18, 102 }; 103 short yysindex[] = { -254, 104 0, 0, 0, -254, 0, -120, -109, 0, -251, -251, 105 -41, -245, -248, -243, -244, 0, -125, -37, -121, 0, 106 0, 0, 0, 0, 0, 0, 0, -36, 0, 0, 107 0, 108 }; 109 short yyrindex[] = { 24, 110 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 111 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 113 0, 114 }; 115 short yygindex[] = { 0, 116 0, 21, 0, 16, 0, -6, 117 }; 118 #define YYTABLESIZE 267 119 short yytable[] = { 27, 120 6, 1, 9, 30, 11, 12, 13, 14, 15, 2, 121 28, 3, 28, 10, 16, 21, 22, 20, 24, 25, 122 26, 29, 31, 1, 8, 19, 0, 0, 0, 0, 123 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 124 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 125 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 129 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 130 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 131 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 132 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 133 0, 12, 13, 14, 15, 12, 13, 14, 15, 0, 134 16, 0, 0, 0, 16, 0, 0, 0, 0, 0, 135 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 136 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 137 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 138 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 139 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 140 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 141 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 142 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 143 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 144 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 145 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 146 0, 0, 0, 0, 6, 0, 6, 147 }; 148 short yycheck[] = { 125, 149 0, 256, 123, 125, 256, 257, 258, 259, 260, 264, 150 17, 266, 19, 123, 266, 261, 262, 59, 267, 263, 151 265, 59, 59, 0, 4, 10, -1, -1, -1, -1, 152 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 153 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 154 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 155 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 156 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 157 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 158 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 159 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 160 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 161 -1, -1, -1, 123, -1, -1, -1, -1, -1, -1, 162 -1, 257, 258, 259, 260, 257, 258, 259, 260, -1, 163 266, -1, -1, -1, 266, -1, -1, -1, -1, -1, 164 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 165 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 166 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 167 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 168 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 169 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 170 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 171 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 172 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 173 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 174 -1, -1, -1, -1, -1, -1, 256, -1, -1, -1, 175 -1, -1, -1, -1, 264, -1, 266, 176 }; 177 #define YYFINAL 4 178 #ifndef YYDEBUG 179 #define YYDEBUG 0 180 #endif 181 #define YYMAXTOKEN 267 182 #if YYDEBUG 183 char *yyname[] = { 184 "end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 185 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"';'",0,0,0,0,0,0,0,0,0,0,0,0, 186 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 187 0,0,0,0,0,0,0,0,0,0,0,"'{'",0,"'}'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 188 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 189 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 190 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"K_BIND","K_DEVICE", 191 "K_CHANNEL","K_COMMENT","K_YES","K_NO","NUMBER","RFCOMM","STRING","WORD", 192 "BDADDR", 193 }; 194 char *yyrule[] = { 195 "$accept : config", 196 "config :", 197 "config : statement", 198 "config : config statement", 199 "statement : section '{' rfcomm_options '}'", 200 "statement : rfcomm '{' rfcomm_options '}'", 201 "statement : WORD", 202 "statement : error", 203 "section : WORD", 204 "rfcomm : RFCOMM", 205 "rfcomm_options : rfcomm_option ';'", 206 "rfcomm_options : error ';'", 207 "rfcomm_options : rfcomm_options rfcomm_option ';'", 208 "rfcomm_option : K_BIND bool", 209 "rfcomm_option : K_DEVICE BDADDR", 210 "rfcomm_option : K_CHANNEL NUMBER", 211 "rfcomm_option : K_COMMENT STRING", 212 "rfcomm_option : WORD", 213 "bool : K_YES", 214 "bool : K_NO", 215 }; 216 #endif 217 #if YYDEBUG 218 #include <stdio.h> 219 #endif 220 221 /* define the initial stack-sizes */ 222 #ifdef YYSTACKSIZE 223 #undef YYMAXDEPTH 224 #define YYMAXDEPTH YYSTACKSIZE 225 #else 226 #ifdef YYMAXDEPTH 227 #define YYSTACKSIZE YYMAXDEPTH 228 #else 229 #define YYSTACKSIZE 500 230 #define YYMAXDEPTH 500 231 #endif 232 #endif 233 234 #define YYINITSTACKSIZE 500 235 236 int yydebug; 237 int yynerrs; 238 int yyerrflag; 239 int yychar; 240 short *yyssp; 241 YYSTYPE *yyvsp; 242 YYSTYPE yyval; 243 YYSTYPE yylval; 244 245 /* variables for the parser stack */ 246 static short *yyss; 247 static short *yysslim; 248 static YYSTYPE *yyvs; 249 static int yystacksize; 250 #line 134 "parser.y" 251 252 int yyerror(char *s) 253 { 254 fprintf(stderr, "%s line %d\n", s, lineno); 255 return 0; 256 } 257 258 int rfcomm_read_config(char *filename) 259 { 260 extern FILE *yyin; 261 char file[MAXPATHLEN + 1]; 262 int i; 263 264 for (i = 0; i < RFCOMM_MAX_DEV; i++) { 265 rfcomm_opts[i].bind = 0; 266 bacpy(&rfcomm_opts[i].bdaddr, BDADDR_ANY); 267 rfcomm_opts[i].channel = 1; 268 } 269 270 if (filename) { 271 snprintf(file, MAXPATHLEN, "%s", filename); 272 } else { 273 snprintf(file, MAXPATHLEN, "%s/.bluetooth/rfcomm.conf", getenv("HOME")); 274 275 if ((getuid() == 0) || (access(file, R_OK) < 0)) 276 snprintf(file, MAXPATHLEN, "%s/rfcomm.conf", CONFIGDIR); 277 } 278 279 if (!(yyin = fopen(file, "r"))) 280 return -1; 281 282 lineno = 1; 283 yyparse(); 284 285 fclose(yyin); 286 287 return 0; 288 } 289 #line 290 "y.tab.c" 290 /* allocate initial stack or double stack size, up to YYMAXDEPTH */ 291 static int yygrowstack(void) 292 { 293 int newsize, i; 294 short *newss; 295 YYSTYPE *newvs; 296 297 if ((newsize = yystacksize) == 0) 298 newsize = YYINITSTACKSIZE; 299 else if (newsize >= YYMAXDEPTH) 300 return -1; 301 else if ((newsize *= 2) > YYMAXDEPTH) 302 newsize = YYMAXDEPTH; 303 304 i = yyssp - yyss; 305 newss = (yyss != 0) 306 ? (short *)realloc(yyss, newsize * sizeof(*newss)) 307 : (short *)malloc(newsize * sizeof(*newss)); 308 if (newss == 0) 309 return -1; 310 311 yyss = newss; 312 yyssp = newss + i; 313 newvs = (yyvs != 0) 314 ? (YYSTYPE *)realloc(yyvs, newsize * sizeof(*newvs)) 315 : (YYSTYPE *)malloc(newsize * sizeof(*newvs)); 316 if (newvs == 0) 317 return -1; 318 319 yyvs = newvs; 320 yyvsp = newvs + i; 321 yystacksize = newsize; 322 yysslim = yyss + newsize - 1; 323 return 0; 324 } 325 326 #define YYABORT goto yyabort 327 #define YYREJECT goto yyabort 328 #define YYACCEPT goto yyaccept 329 #define YYERROR goto yyerrlab 330 int 331 yyparse(void) 332 { 333 register int yym, yyn, yystate; 334 #if YYDEBUG 335 register const char *yys; 336 337 if ((yys = getenv("YYDEBUG")) != 0) 338 { 339 yyn = *yys; 340 if (yyn >= '0' && yyn <= '9') 341 yydebug = yyn - '0'; 342 } 343 #endif 344 345 yynerrs = 0; 346 yyerrflag = 0; 347 yychar = YYEMPTY; 348 349 if (yyss == NULL && yygrowstack()) goto yyoverflow; 350 yyssp = yyss; 351 yyvsp = yyvs; 352 *yyssp = yystate = 0; 353 354 yyloop: 355 if ((yyn = yydefred[yystate]) != 0) goto yyreduce; 356 if (yychar < 0) 357 { 358 if ((yychar = yylex()) < 0) yychar = 0; 359 #if YYDEBUG 360 if (yydebug) 361 { 362 yys = 0; 363 if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; 364 if (!yys) yys = "illegal-symbol"; 365 printf("%sdebug: state %d, reading %d (%s)\n", 366 YYPREFIX, yystate, yychar, yys); 367 } 368 #endif 369 } 370 if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && 371 yyn <= YYTABLESIZE && yycheck[yyn] == yychar) 372 { 373 #if YYDEBUG 374 if (yydebug) 375 printf("%sdebug: state %d, shifting to state %d\n", 376 YYPREFIX, yystate, yytable[yyn]); 377 #endif 378 if (yyssp >= yysslim && yygrowstack()) 379 { 380 goto yyoverflow; 381 } 382 *++yyssp = yystate = yytable[yyn]; 383 *++yyvsp = yylval; 384 yychar = YYEMPTY; 385 if (yyerrflag > 0) --yyerrflag; 386 goto yyloop; 387 } 388 if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && 389 yyn <= YYTABLESIZE && yycheck[yyn] == yychar) 390 { 391 yyn = yytable[yyn]; 392 goto yyreduce; 393 } 394 if (yyerrflag) goto yyinrecovery; 395 396 yyerror("syntax error"); 397 398 #ifdef lint 399 goto yyerrlab; 400 #endif 401 402 yyerrlab: 403 ++yynerrs; 404 405 yyinrecovery: 406 if (yyerrflag < 3) 407 { 408 yyerrflag = 3; 409 for (;;) 410 { 411 if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 && 412 yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE) 413 { 414 #if YYDEBUG 415 if (yydebug) 416 printf("%sdebug: state %d, error recovery shifting\ 417 to state %d\n", YYPREFIX, *yyssp, yytable[yyn]); 418 #endif 419 if (yyssp >= yysslim && yygrowstack()) 420 { 421 goto yyoverflow; 422 } 423 *++yyssp = yystate = yytable[yyn]; 424 *++yyvsp = yylval; 425 goto yyloop; 426 } 427 else 428 { 429 #if YYDEBUG 430 if (yydebug) 431 printf("%sdebug: error recovery discarding state %d\n", 432 YYPREFIX, *yyssp); 433 #endif 434 if (yyssp <= yyss) goto yyabort; 435 --yyssp; 436 --yyvsp; 437 } 438 } 439 } 440 else 441 { 442 if (yychar == 0) goto yyabort; 443 #if YYDEBUG 444 if (yydebug) 445 { 446 yys = 0; 447 if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; 448 if (!yys) yys = "illegal-symbol"; 449 printf("%sdebug: state %d, error recovery discards token %d (%s)\n", 450 YYPREFIX, yystate, yychar, yys); 451 } 452 #endif 453 yychar = YYEMPTY; 454 goto yyloop; 455 } 456 457 yyreduce: 458 #if YYDEBUG 459 if (yydebug) 460 printf("%sdebug: state %d, reducing by rule %d (%s)\n", 461 YYPREFIX, yystate, yyn, yyrule[yyn]); 462 #endif 463 yym = yylen[yyn]; 464 yyval = yyvsp[1-yym]; 465 switch (yyn) 466 { 467 case 6: 468 #line 74 "parser.y" 469 { 470 } 471 break; 472 case 7: 473 #line 77 "parser.y" 474 { 475 yyclearin; 476 yyerrok; 477 } 478 break; 479 case 8: 480 #line 84 "parser.y" 481 { 482 opts = NULL; 483 } 484 break; 485 case 9: 486 #line 90 "parser.y" 487 { 488 if ((yyvsp[0].number >= 0) && (yyvsp[0].number < RFCOMM_MAX_DEV)) 489 opts = &rfcomm_opts[yyvsp[0].number]; 490 else 491 opts = NULL; 492 } 493 break; 494 case 13: 495 #line 104 "parser.y" 496 { 497 if (opts) 498 opts->bind = yyvsp[0].number; 499 } 500 break; 501 case 14: 502 #line 109 "parser.y" 503 { 504 if (opts) 505 bacpy(&opts->bdaddr, yyvsp[0].bdaddr); 506 } 507 break; 508 case 15: 509 #line 114 "parser.y" 510 { 511 if (opts) 512 opts->channel = yyvsp[0].number; 513 } 514 break; 515 case 16: 516 #line 119 "parser.y" 517 { 518 if (opts) 519 snprintf(opts->comment, MAXCOMMENTLEN, "%s", yyvsp[0].string); 520 } 521 break; 522 case 17: 523 #line 124 "parser.y" 524 { 525 /* Unknown option*/ 526 } 527 break; 528 case 18: 529 #line 129 "parser.y" 530 { yyval.number = 1; } 531 break; 532 case 19: 533 #line 130 "parser.y" 534 { yyval.number = 0; } 535 break; 536 #line 537 "y.tab.c" 537 } 538 yyssp -= yym; 539 yystate = *yyssp; 540 yyvsp -= yym; 541 yym = yylhs[yyn]; 542 if (yystate == 0 && yym == 0) 543 { 544 #if YYDEBUG 545 if (yydebug) 546 printf("%sdebug: after reduction, shifting from state 0 to\ 547 state %d\n", YYPREFIX, YYFINAL); 548 #endif 549 yystate = YYFINAL; 550 *++yyssp = YYFINAL; 551 *++yyvsp = yyval; 552 if (yychar < 0) 553 { 554 if ((yychar = yylex()) < 0) yychar = 0; 555 #if YYDEBUG 556 if (yydebug) 557 { 558 yys = 0; 559 if (yychar <= YYMAXTOKEN) yys = yyname[yychar]; 560 if (!yys) yys = "illegal-symbol"; 561 printf("%sdebug: state %d, reading %d (%s)\n", 562 YYPREFIX, YYFINAL, yychar, yys); 563 } 564 #endif 565 } 566 if (yychar == 0) goto yyaccept; 567 goto yyloop; 568 } 569 if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && 570 yyn <= YYTABLESIZE && yycheck[yyn] == yystate) 571 yystate = yytable[yyn]; 572 else 573 yystate = yydgoto[yym]; 574 #if YYDEBUG 575 if (yydebug) 576 printf("%sdebug: after reduction, shifting from state %d \ 577 to state %d\n", YYPREFIX, *yyssp, yystate); 578 #endif 579 if (yyssp >= yysslim && yygrowstack()) 580 { 581 goto yyoverflow; 582 } 583 *++yyssp = yystate; 584 *++yyvsp = yyval; 585 goto yyloop; 586 587 yyoverflow: 588 yyerror("yacc stack overflow"); 589 590 yyabort: 591 return (1); 592 593 yyaccept: 594 return (0); 595 } 596
