| File: | src/usr.sbin/ifstated/obj/parse.c |
| Warning: | line 754, column 3 Value stored to 'errors' is never read |
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| 1 | #include <stdlib.h> |
| 2 | #include <string.h> |
| 3 | #define YYBYACC1 1 |
| 4 | #define YYMAJOR1 1 |
| 5 | #define YYMINOR9 9 |
| 6 | #define YYLEXyylex() yylex() |
| 7 | #define YYEMPTY-1 -1 |
| 8 | #define yyclearin(yychar=(-1)) (yychar=(YYEMPTY-1)) |
| 9 | #define yyerrok(yyerrflag=0) (yyerrflag=0) |
| 10 | #define YYRECOVERING()(yyerrflag!=0) (yyerrflag!=0) |
| 11 | #define YYPREFIX"yy" "yy" |
| 12 | #line 24 "/usr/src/usr.sbin/ifstated/parse.y" |
| 13 | #include <sys/types.h> |
| 14 | #include <sys/time.h> |
| 15 | #include <sys/socket.h> |
| 16 | #include <sys/stat.h> |
| 17 | #include <netinet/in.h> |
| 18 | #include <arpa/inet.h> |
| 19 | #include <net/if.h> |
| 20 | |
| 21 | #include <ctype.h> |
| 22 | #include <unistd.h> |
| 23 | #include <err.h> |
| 24 | #include <errno(*__errno()).h> |
| 25 | #include <limits.h> |
| 26 | #include <stdarg.h> |
| 27 | #include <stdio.h> |
| 28 | #include <string.h> |
| 29 | #include <syslog.h> |
| 30 | #include <event.h> |
| 31 | |
| 32 | #include "ifstated.h" |
| 33 | #include "log.h" |
| 34 | |
| 35 | TAILQ_HEAD(files, file)struct files { struct file *tqh_first; struct file **tqh_last ; } files = TAILQ_HEAD_INITIALIZER(files){ ((void *)0), &(files).tqh_first }; |
| 36 | static struct file { |
| 37 | TAILQ_ENTRY(file)struct { struct file *tqe_next; struct file **tqe_prev; } entry; |
| 38 | FILE *stream; |
| 39 | char *name; |
| 40 | int lineno; |
| 41 | int errors; |
| 42 | } *file, *topfile; |
| 43 | struct file *pushfile(const char *, int); |
| 44 | int popfile(void); |
| 45 | int check_file_secrecy(int, const char *); |
| 46 | int yyparse(void); |
| 47 | int yylex(void); |
| 48 | int yyerror(const char *, ...) |
| 49 | __attribute__((__format__ (printf, 1, 2))) |
| 50 | __attribute__((__nonnull__ (1))); |
| 51 | int kw_cmp(const void *, const void *); |
| 52 | int lookup(char *); |
| 53 | int lgetc(int); |
| 54 | int lungetc(int); |
| 55 | int findeol(void); |
| 56 | |
| 57 | TAILQ_HEAD(symhead, sym)struct symhead { struct sym *tqh_first; struct sym **tqh_last ; } symhead = TAILQ_HEAD_INITIALIZER(symhead){ ((void *)0), &(symhead).tqh_first }; |
| 58 | struct sym { |
| 59 | TAILQ_ENTRY(sym)struct { struct sym *tqe_next; struct sym **tqe_prev; } entry; |
| 60 | int used; |
| 61 | int persist; |
| 62 | char *nam; |
| 63 | char *val; |
| 64 | }; |
| 65 | int symset(const char *, const char *, int); |
| 66 | char *symget(const char *); |
| 67 | |
| 68 | static struct ifsd_config *conf; |
| 69 | char *start_state; |
| 70 | |
| 71 | struct ifsd_action *curaction; |
| 72 | struct ifsd_state *curstate; |
| 73 | |
| 74 | void link_states(struct ifsd_action *); |
| 75 | void set_expression_depth(struct ifsd_expression *, int); |
| 76 | void init_state(struct ifsd_state *); |
| 77 | struct ifsd_ifstate *new_ifstate(char *, int); |
| 78 | struct ifsd_external *new_external(char *, u_int32_t); |
| 79 | |
| 80 | typedef struct { |
| 81 | union { |
| 82 | int64_t number; |
| 83 | char *string; |
| 84 | struct in_addr addr; |
| 85 | |
| 86 | struct ifsd_expression *expression; |
| 87 | struct ifsd_ifstate *ifstate; |
| 88 | struct ifsd_external *external; |
| 89 | |
| 90 | } v; |
| 91 | int lineno; |
| 92 | } YYSTYPE; |
| 93 | |
| 94 | #line 95 "parse.c" |
| 95 | #define STATE257 257 |
| 96 | #define INITSTATE258 258 |
| 97 | #define LINK259 259 |
| 98 | #define UP260 260 |
| 99 | #define DOWN261 261 |
| 100 | #define UNKNOWN262 262 |
| 101 | #define IF263 263 |
| 102 | #define RUN264 264 |
| 103 | #define SETSTATE265 265 |
| 104 | #define EVERY266 266 |
| 105 | #define INIT267 267 |
| 106 | #define AND268 268 |
| 107 | #define OR269 269 |
| 108 | #define UNARY270 270 |
| 109 | #define ERROR271 271 |
| 110 | #define STRING272 272 |
| 111 | #define NUMBER273 273 |
| 112 | #define YYERRCODE256 256 |
| 113 | const short yylhs[] = |
| 114 | { -1, |
| 115 | 0, 0, 0, 0, 0, 0, 0, 1, 1, 8, |
| 116 | 7, 2, 11, 11, 12, 9, 9, 13, 9, 14, |
| 117 | 14, 15, 15, 17, 16, 3, 3, 3, 4, 6, |
| 118 | 6, 6, 5, 5, 5, 5, 18, 10, 19, 19, |
| 119 | 20, 20, |
| 120 | }; |
| 121 | const short yylen[] = |
| 122 | { 2, |
| 123 | 0, 2, 3, 3, 3, 3, 3, 2, 1, 3, |
| 124 | 2, 1, 2, 0, 2, 2, 2, 0, 4, 5, |
| 125 | 2, 3, 2, 0, 3, 5, 5, 5, 3, 1, |
| 126 | 1, 3, 2, 3, 3, 1, 0, 8, 2, 1, |
| 127 | 2, 2, |
| 128 | }; |
| 129 | const short yydefred[] = |
| 130 | { 1, |
| 131 | 0, 0, 0, 0, 18, 0, 0, 0, 2, 0, |
| 132 | 0, 0, 0, 7, 9, 0, 11, 0, 16, 17, |
| 133 | 0, 3, 4, 5, 6, 8, 0, 0, 0, 0, |
| 134 | 0, 30, 31, 0, 36, 0, 0, 0, 0, 0, |
| 135 | 33, 0, 0, 0, 0, 19, 13, 0, 29, 32, |
| 136 | 0, 34, 35, 0, 21, 0, 0, 0, 24, 0, |
| 137 | 0, 0, 40, 26, 27, 28, 0, 0, 0, 0, |
| 138 | 42, 41, 38, 39, 23, 20, 0, 25, 15, 22, |
| 139 | }; |
| 140 | const short yydgoto[] = |
| 141 | { 1, |
| 142 | 16, 31, 32, 33, 34, 35, 10, 11, 60, 13, |
| 143 | 45, 71, 18, 46, 68, 61, 69, 27, 62, 63, |
| 144 | }; |
| 145 | const short yysindex[] = |
| 146 | { 0, |
| 147 | -10, 2, -259, -257, 0, -255, -254, -40, 0, 13, |
| 148 | 23, 34, 42, 0, 0, -217, 0, -31, 0, 0, |
| 149 | -259, 0, 0, 0, 0, 0, 44, -210, -31, -31, |
| 150 | 11, 0, 0, -9, 0, -217, 44, -65, -214, -38, |
| 151 | 0, -199, -31, -31, -104, 0, 0, 44, 0, 0, |
| 152 | 15, 0, 0, 44, 0, -235, -219, -218, 0, 52, |
| 153 | 52, -114, 0, 0, 0, 0, 52, -98, 44, 44, |
| 154 | 0, 0, 0, 0, 0, 0, 52, 0, 0, 0,}; |
| 155 | const short yyrindex[] = |
| 156 | { 0, |
| 157 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 158 | 0, 0, 0, 0, 0, -5, 0, 0, 0, 0, |
| 159 | 0, 0, 0, 0, 0, 0, -60, 19, 0, 0, |
| 160 | 0, 0, 0, -101, 0, 56, -119, 0, 0, 0, |
| 161 | 0, 0, 0, 0, 0, 0, 0, -229, 0, 0, |
| 162 | 0, 0, 0, -215, 0, 0, 0, 0, 0, 0, |
| 163 | 0, 0, 0, 0, 0, 0, 0, 0, -101, -109, |
| 164 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,}; |
| 165 | const short yygindex[] = |
| 166 | { 0, |
| 167 | 46, 0, 0, 0, -4, 0, 0, 0, 6, 0, |
| 168 | -17, -53, 0, -1, 0, 0, 0, 0, 0, 7, |
| 169 | }; |
| 170 | #define YYTABLESIZE262 262 |
| 171 | const short yytable[] = |
| 172 | { 9, |
| 173 | 37, 30, 50, 14, 37, 14, 12, 72, 29, 38, |
| 174 | 73, 14, 15, 75, 17, 14, 19, 20, 54, 47, |
| 175 | 21, 14, 22, 80, 40, 41, 76, 5, 6, 7, |
| 176 | 56, 59, 23, 14, 14, 14, 58, 14, 52, 53, |
| 177 | 64, 65, 66, 24, 5, 6, 7, 14, 14, 14, |
| 178 | 55, 25, 79, 37, 26, 39, 42, 48, 49, 51, |
| 179 | 57, 70, 14, 67, 12, 10, 36, 78, 74, 0, |
| 180 | 0, 0, 0, 77, 0, 0, 0, 0, 0, 0, |
| 181 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 182 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 183 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 184 | 0, 0, 0, 0, 0, 0, 0, 37, 0, 0, |
| 185 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 186 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 187 | 0, 0, 0, 14, 14, 14, 0, 14, 5, 6, |
| 188 | 7, 0, 59, 14, 14, 14, 0, 14, 5, 6, |
| 189 | 7, 14, 14, 14, 5, 6, 7, 0, 0, 0, |
| 190 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 191 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 192 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 193 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 194 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 195 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, |
| 196 | 44, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 197 | 28, 0, 0, 0, 0, 2, 3, 4, 0, 0, |
| 198 | 0, 0, 5, 6, 7, 0, 0, 0, 43, 44, |
| 199 | 0, 8, |
| 200 | }; |
| 201 | const short yycheck[] = |
| 202 | { 10, |
| 203 | 10, 33, 41, 123, 10, 125, 1, 61, 40, 27, |
| 204 | 125, 10, 272, 67, 272, 125, 272, 272, 123, 37, |
| 205 | 61, 123, 10, 77, 29, 30, 125, 263, 264, 265, |
| 206 | 48, 267, 10, 263, 264, 265, 54, 267, 43, 44, |
| 207 | 260, 261, 262, 10, 263, 264, 265, 263, 264, 265, |
| 208 | 45, 10, 70, 10, 272, 266, 46, 123, 273, 259, |
| 209 | 46, 10, 123, 58, 46, 10, 21, 69, 62, -1, |
| 210 | -1, -1, -1, 68, -1, -1, -1, -1, -1, -1, |
| 211 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 212 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 213 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 214 | -1, -1, -1, -1, -1, -1, -1, 123, -1, -1, |
| 215 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 216 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 217 | -1, -1, -1, 263, 264, 265, -1, 267, 263, 264, |
| 218 | 265, -1, 267, 263, 264, 265, -1, 267, 263, 264, |
| 219 | 265, 263, 264, 265, 263, 264, 265, -1, -1, -1, |
| 220 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 221 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 222 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 223 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 224 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 225 | -1, -1, -1, -1, -1, -1, -1, -1, -1, 268, |
| 226 | 269, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 227 | 272, -1, -1, -1, -1, 256, 257, 258, -1, -1, |
| 228 | -1, -1, 263, 264, 265, -1, -1, -1, 268, 269, |
| 229 | -1, 272, |
| 230 | }; |
| 231 | #define YYFINAL1 1 |
| 232 | #ifndef YYDEBUG0 |
| 233 | #define YYDEBUG0 0 |
| 234 | #endif |
| 235 | #define YYMAXTOKEN273 273 |
| 236 | #if YYDEBUG0 |
| 237 | const char * const yyname[] = |
| 238 | { |
| 239 | "end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, |
| 240 | 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, |
| 241 | "'='",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, |
| 242 | 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, |
| 243 | 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, |
| 244 | 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, |
| 245 | 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, |
| 246 | 0,0,"STATE","INITSTATE","LINK","UP","DOWN","UNKNOWN","IF","RUN","SETSTATE", |
| 247 | "EVERY","INIT","AND","OR","UNARY","ERROR","STRING","NUMBER", |
| 248 | }; |
| 249 | const char * const yyrule[] = |
| 250 | {"$accept : grammar", |
| 251 | "grammar :", |
| 252 | "grammar : grammar '\\n'", |
| 253 | "grammar : grammar conf_main '\\n'", |
| 254 | "grammar : grammar varset '\\n'", |
| 255 | "grammar : grammar action '\\n'", |
| 256 | "grammar : grammar state '\\n'", |
| 257 | "grammar : grammar error '\\n'", |
| 258 | "string : string STRING", |
| 259 | "string : STRING", |
| 260 | "varset : STRING '=' string", |
| 261 | "conf_main : INITSTATE STRING", |
| 262 | "interface : STRING", |
| 263 | "optnl : '\\n' optnl", |
| 264 | "optnl :", |
| 265 | "nl : '\\n' optnl", |
| 266 | "action : RUN STRING", |
| 267 | "action : SETSTATE STRING", |
| 268 | "$$1 :", |
| 269 | "action : IF $$1 expr action_block", |
| 270 | "action_block : optnl '{' optnl action_l '}'", |
| 271 | "action_block : optnl action", |
| 272 | "action_l : action_l action nl", |
| 273 | "action_l : action nl", |
| 274 | "$$2 :", |
| 275 | "init : INIT $$2 action_block", |
| 276 | "if_test : interface '.' LINK '.' UP", |
| 277 | "if_test : interface '.' LINK '.' DOWN", |
| 278 | "if_test : interface '.' LINK '.' UNKNOWN", |
| 279 | "ext_test : STRING EVERY NUMBER", |
| 280 | "term : if_test", |
| 281 | "term : ext_test", |
| 282 | "term : '(' expr ')'", |
| 283 | "expr : '!' expr", |
| 284 | "expr : expr AND expr", |
| 285 | "expr : expr OR expr", |
| 286 | "expr : term", |
| 287 | "$$3 :", |
| 288 | "state : STATE string $$3 optnl '{' optnl stateopts_l '}'", |
| 289 | "stateopts_l : stateopts_l stateoptsl", |
| 290 | "stateopts_l : stateoptsl", |
| 291 | "stateoptsl : init nl", |
| 292 | "stateoptsl : action nl", |
| 293 | }; |
| 294 | #endif |
| 295 | #ifdef YYSTACKSIZE10000 |
| 296 | #undef YYMAXDEPTH10000 |
| 297 | #define YYMAXDEPTH10000 YYSTACKSIZE10000 |
| 298 | #else |
| 299 | #ifdef YYMAXDEPTH10000 |
| 300 | #define YYSTACKSIZE10000 YYMAXDEPTH10000 |
| 301 | #else |
| 302 | #define YYSTACKSIZE10000 10000 |
| 303 | #define YYMAXDEPTH10000 10000 |
| 304 | #endif |
| 305 | #endif |
| 306 | #define YYINITSTACKSIZE200 200 |
| 307 | /* LINTUSED */ |
| 308 | int yydebug; |
| 309 | int yynerrs; |
| 310 | int yyerrflag; |
| 311 | int yychar; |
| 312 | short *yyssp; |
| 313 | YYSTYPE *yyvsp; |
| 314 | YYSTYPE yyval; |
| 315 | YYSTYPE yylval; |
| 316 | short *yyss; |
| 317 | short *yysslim; |
| 318 | YYSTYPE *yyvs; |
| 319 | unsigned int yystacksize; |
| 320 | int yyparse(void); |
| 321 | #line 358 "/usr/src/usr.sbin/ifstated/parse.y" |
| 322 | |
| 323 | struct keywords { |
| 324 | const char *k_name; |
| 325 | int k_val; |
| 326 | }; |
| 327 | |
| 328 | int |
| 329 | yyerror(const char *fmt, ...) |
| 330 | { |
| 331 | va_list ap; |
| 332 | char *msg; |
| 333 | |
| 334 | file->errors++; |
| 335 | va_start(ap, fmt)__builtin_va_start(ap, fmt); |
| 336 | if (vasprintf(&msg, fmt, ap) == -1) |
| 337 | fatalx("yyerror vasprintf"); |
| 338 | va_end(ap)__builtin_va_end(ap); |
| 339 | logit(LOG_CRIT2, "%s:%d: %s", file->name, yylval.lineno, msg); |
| 340 | free(msg); |
| 341 | return (0); |
| 342 | } |
| 343 | |
| 344 | int |
| 345 | kw_cmp(const void *k, const void *e) |
| 346 | { |
| 347 | return (strcmp(k, ((const struct keywords *)e)->k_name)); |
| 348 | } |
| 349 | |
| 350 | int |
| 351 | lookup(char *s) |
| 352 | { |
| 353 | /* this has to be sorted always */ |
| 354 | static const struct keywords keywords[] = { |
| 355 | { "&&", AND268}, |
| 356 | { "down", DOWN261}, |
| 357 | { "every", EVERY266}, |
| 358 | { "if", IF263}, |
| 359 | { "init", INIT267}, |
| 360 | { "init-state", INITSTATE258}, |
| 361 | { "link", LINK259}, |
| 362 | { "run", RUN264}, |
| 363 | { "set-state", SETSTATE265}, |
| 364 | { "state", STATE257}, |
| 365 | { "unknown", UNKNOWN262}, |
| 366 | { "up", UP260}, |
| 367 | { "||", OR269} |
| 368 | }; |
| 369 | const struct keywords *p; |
| 370 | |
| 371 | p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]), |
| 372 | sizeof(keywords[0]), kw_cmp); |
| 373 | |
| 374 | if (p) |
| 375 | return (p->k_val); |
| 376 | else |
| 377 | return (STRING272); |
| 378 | } |
| 379 | |
| 380 | #define MAXPUSHBACK128 128 |
| 381 | |
| 382 | char *parsebuf; |
| 383 | int parseindex; |
| 384 | char pushback_buffer[MAXPUSHBACK128]; |
| 385 | int pushback_index = 0; |
| 386 | |
| 387 | int |
| 388 | lgetc(int quotec) |
| 389 | { |
| 390 | int c, next; |
| 391 | |
| 392 | if (parsebuf) { |
| 393 | /* Read character from the parsebuffer instead of input. */ |
| 394 | if (parseindex >= 0) { |
| 395 | c = (unsigned char)parsebuf[parseindex++]; |
| 396 | if (c != '\0') |
| 397 | return (c); |
| 398 | parsebuf = NULL((void *)0); |
| 399 | } else |
| 400 | parseindex++; |
| 401 | } |
| 402 | |
| 403 | if (pushback_index) |
| 404 | return ((unsigned char)pushback_buffer[--pushback_index]); |
| 405 | |
| 406 | if (quotec) { |
| 407 | if ((c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream))) == EOF(-1)) { |
| 408 | yyerror("reached end of file while parsing " |
| 409 | "quoted string"); |
| 410 | if (file == topfile || popfile() == EOF(-1)) |
| 411 | return (EOF(-1)); |
| 412 | return (quotec); |
| 413 | } |
| 414 | return (c); |
| 415 | } |
| 416 | |
| 417 | while ((c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream))) == '\\') { |
| 418 | next = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream)); |
| 419 | if (next != '\n') { |
| 420 | c = next; |
| 421 | break; |
| 422 | } |
| 423 | yylval.lineno = file->lineno; |
| 424 | file->lineno++; |
| 425 | } |
| 426 | |
| 427 | while (c == EOF(-1)) { |
| 428 | if (file == topfile || popfile() == EOF(-1)) |
| 429 | return (EOF(-1)); |
| 430 | c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream)); |
| 431 | } |
| 432 | return (c); |
| 433 | } |
| 434 | |
| 435 | int |
| 436 | lungetc(int c) |
| 437 | { |
| 438 | if (c == EOF(-1)) |
| 439 | return (EOF(-1)); |
| 440 | if (parsebuf) { |
| 441 | parseindex--; |
| 442 | if (parseindex >= 0) |
| 443 | return (c); |
| 444 | } |
| 445 | if (pushback_index + 1 >= MAXPUSHBACK128) |
| 446 | return (EOF(-1)); |
| 447 | pushback_buffer[pushback_index++] = c; |
| 448 | return (c); |
| 449 | } |
| 450 | |
| 451 | int |
| 452 | findeol(void) |
| 453 | { |
| 454 | int c; |
| 455 | |
| 456 | parsebuf = NULL((void *)0); |
| 457 | |
| 458 | /* skip to either EOF or the first real EOL */ |
| 459 | while (1) { |
| 460 | if (pushback_index) |
| 461 | c = (unsigned char)pushback_buffer[--pushback_index]; |
| 462 | else |
| 463 | c = lgetc(0); |
| 464 | if (c == '\n') { |
| 465 | file->lineno++; |
| 466 | break; |
| 467 | } |
| 468 | if (c == EOF(-1)) |
| 469 | break; |
| 470 | } |
| 471 | return (ERROR271); |
| 472 | } |
| 473 | |
| 474 | int |
| 475 | yylex(void) |
| 476 | { |
| 477 | char buf[8096]; |
| 478 | char *p, *val; |
| 479 | int quotec, next, c; |
| 480 | int token; |
| 481 | |
| 482 | top: |
| 483 | p = buf; |
| 484 | while ((c = lgetc(0)) == ' ' || c == '\t') |
| 485 | ; /* nothing */ |
| 486 | |
| 487 | yylval.lineno = file->lineno; |
| 488 | if (c == '#') |
| 489 | while ((c = lgetc(0)) != '\n' && c != EOF(-1)) |
| 490 | ; /* nothing */ |
| 491 | if (c == '$' && parsebuf == NULL((void *)0)) { |
| 492 | while (1) { |
| 493 | if ((c = lgetc(0)) == EOF(-1)) |
| 494 | return (0); |
| 495 | |
| 496 | if (p + 1 >= buf + sizeof(buf) - 1) { |
| 497 | yyerror("string too long"); |
| 498 | return (findeol()); |
| 499 | } |
| 500 | if (isalnum(c) || c == '_') { |
| 501 | *p++ = c; |
| 502 | continue; |
| 503 | } |
| 504 | *p = '\0'; |
| 505 | lungetc(c); |
| 506 | break; |
| 507 | } |
| 508 | val = symget(buf); |
| 509 | if (val == NULL((void *)0)) { |
| 510 | yyerror("macro '%s' not defined", buf); |
| 511 | return (findeol()); |
| 512 | } |
| 513 | parsebuf = val; |
| 514 | parseindex = 0; |
| 515 | goto top; |
| 516 | } |
| 517 | |
| 518 | switch (c) { |
| 519 | case '\'': |
| 520 | case '"': |
| 521 | quotec = c; |
| 522 | while (1) { |
| 523 | if ((c = lgetc(quotec)) == EOF(-1)) |
| 524 | return (0); |
| 525 | if (c == '\n') { |
| 526 | file->lineno++; |
| 527 | continue; |
| 528 | } else if (c == '\\') { |
| 529 | if ((next = lgetc(quotec)) == EOF(-1)) |
| 530 | return (0); |
| 531 | if (next == quotec || next == ' ' || |
| 532 | next == '\t') |
| 533 | c = next; |
| 534 | else if (next == '\n') { |
| 535 | file->lineno++; |
| 536 | continue; |
| 537 | } else |
| 538 | lungetc(next); |
| 539 | } else if (c == quotec) { |
| 540 | *p = '\0'; |
| 541 | break; |
| 542 | } else if (c == '\0') { |
| 543 | yyerror("syntax error"); |
| 544 | return (findeol()); |
| 545 | } |
| 546 | if (p + 1 >= buf + sizeof(buf) - 1) { |
| 547 | yyerror("string too long"); |
| 548 | return (findeol()); |
| 549 | } |
| 550 | *p++ = c; |
| 551 | } |
| 552 | yylval.v.string = strdup(buf); |
| 553 | if (yylval.v.string == NULL((void *)0)) |
| 554 | err(1, "%s", __func__); |
| 555 | return (STRING272); |
| 556 | } |
| 557 | |
| 558 | #define allowed_to_end_number(x)(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') \ |
| 559 | (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') |
| 560 | |
| 561 | if (c == '-' || isdigit(c)) { |
| 562 | do { |
| 563 | *p++ = c; |
| 564 | if ((size_t)(p-buf) >= sizeof(buf)) { |
| 565 | yyerror("string too long"); |
| 566 | return (findeol()); |
| 567 | } |
| 568 | } while ((c = lgetc(0)) != EOF(-1) && isdigit(c)); |
| 569 | lungetc(c); |
| 570 | if (p == buf + 1 && buf[0] == '-') |
| 571 | goto nodigits; |
| 572 | if (c == EOF(-1) || allowed_to_end_number(c)(isspace(c) || c == ')' || c ==',' || c == '/' || c == '}' || c == '=')) { |
| 573 | const char *errstr = NULL((void *)0); |
| 574 | |
| 575 | *p = '\0'; |
| 576 | yylval.v.number = strtonum(buf, LLONG_MIN(-9223372036854775807LL -1LL), |
| 577 | LLONG_MAX9223372036854775807LL, &errstr); |
| 578 | if (errstr) { |
| 579 | yyerror("\"%s\" invalid number: %s", |
| 580 | buf, errstr); |
| 581 | return (findeol()); |
| 582 | } |
| 583 | return (NUMBER273); |
| 584 | } else { |
| 585 | nodigits: |
| 586 | while (p > buf + 1) |
| 587 | lungetc((unsigned char)*--p); |
| 588 | c = (unsigned char)*--p; |
| 589 | if (c == '-') |
| 590 | return (c); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | #define allowed_in_string(x)(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && x != '{' && x != '}' && x != '!' && x != '=' && x != '#' && x != ',' && x != '.')) \ |
| 595 | (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \ |
| 596 | x != '{' && x != '}' && \ |
| 597 | x != '!' && x != '=' && x != '#' && \ |
| 598 | x != ',' && x != '.')) |
| 599 | |
| 600 | if (isalnum(c) || c == ':' || c == '_' || c == '&' || c == '|') { |
| 601 | do { |
| 602 | *p++ = c; |
| 603 | if ((size_t)(p-buf) >= sizeof(buf)) { |
| 604 | yyerror("string too long"); |
| 605 | return (findeol()); |
| 606 | } |
| 607 | } while ((c = lgetc(0)) != EOF(-1) && (allowed_in_string(c)(isalnum(c) || (ispunct(c) && c != '(' && c != ')' && c != '{' && c != '}' && c != '!' && c != '=' && c != '#' && c != ',' && c != '.')))); |
| 608 | lungetc(c); |
| 609 | *p = '\0'; |
| 610 | if ((token = lookup(buf)) == STRING272) |
| 611 | if ((yylval.v.string = strdup(buf)) == NULL((void *)0)) |
| 612 | err(1, "%s", __func__); |
| 613 | return (token); |
| 614 | } |
| 615 | if (c == '\n') { |
| 616 | yylval.lineno = file->lineno; |
| 617 | file->lineno++; |
| 618 | } |
| 619 | if (c == EOF(-1)) |
| 620 | return (0); |
| 621 | return (c); |
| 622 | } |
| 623 | |
| 624 | int |
| 625 | check_file_secrecy(int fd, const char *fname) |
| 626 | { |
| 627 | struct stat st; |
| 628 | |
| 629 | if (fstat(fd, &st)) { |
| 630 | warn("cannot stat %s", fname); |
| 631 | return (-1); |
| 632 | } |
| 633 | if (st.st_uid != 0 && st.st_uid != getuid()) { |
| 634 | warnx("%s: owner not root or current user", fname); |
| 635 | return (-1); |
| 636 | } |
| 637 | if (st.st_mode & (S_IWGRP0000020 | S_IXGRP0000010 | S_IRWXO0000007)) { |
| 638 | warnx("%s: group writable or world read/writable", fname); |
| 639 | return (-1); |
| 640 | } |
| 641 | return (0); |
| 642 | } |
| 643 | |
| 644 | struct file * |
| 645 | pushfile(const char *name, int secret) |
| 646 | { |
| 647 | struct file *nfile; |
| 648 | |
| 649 | if ((nfile = calloc(1, sizeof(struct file))) == NULL((void *)0)) { |
| 650 | warn("%s", __func__); |
| 651 | return (NULL((void *)0)); |
| 652 | } |
| 653 | if ((nfile->name = strdup(name)) == NULL((void *)0)) { |
| 654 | warn("%s", __func__); |
| 655 | free(nfile); |
| 656 | return (NULL((void *)0)); |
| 657 | } |
| 658 | if ((nfile->stream = fopen(nfile->name, "r")) == NULL((void *)0)) { |
| 659 | warn("%s: %s", __func__, nfile->name); |
| 660 | free(nfile->name); |
| 661 | free(nfile); |
| 662 | return (NULL((void *)0)); |
| 663 | } else if (secret && |
| 664 | check_file_secrecy(fileno(nfile->stream)(!__isthreaded ? ((nfile->stream)->_file) : (fileno)(nfile ->stream)), nfile->name)) { |
| 665 | fclose(nfile->stream); |
| 666 | free(nfile->name); |
| 667 | free(nfile); |
| 668 | return (NULL((void *)0)); |
| 669 | } |
| 670 | nfile->lineno = 1; |
| 671 | TAILQ_INSERT_TAIL(&files, nfile, entry)do { (nfile)->entry.tqe_next = ((void *)0); (nfile)->entry .tqe_prev = (&files)->tqh_last; *(&files)->tqh_last = (nfile); (&files)->tqh_last = &(nfile)->entry .tqe_next; } while (0); |
| 672 | return (nfile); |
| 673 | } |
| 674 | |
| 675 | int |
| 676 | popfile(void) |
| 677 | { |
| 678 | struct file *prev; |
| 679 | |
| 680 | if ((prev = TAILQ_PREV(file, files, entry)(*(((struct files *)((file)->entry.tqe_prev))->tqh_last ))) != NULL((void *)0)) |
| 681 | prev->errors += file->errors; |
| 682 | |
| 683 | TAILQ_REMOVE(&files, file, entry)do { if (((file)->entry.tqe_next) != ((void *)0)) (file)-> entry.tqe_next->entry.tqe_prev = (file)->entry.tqe_prev ; else (&files)->tqh_last = (file)->entry.tqe_prev; *(file)->entry.tqe_prev = (file)->entry.tqe_next; ; ; } while (0); |
| 684 | fclose(file->stream); |
| 685 | free(file->name); |
| 686 | free(file); |
| 687 | file = prev; |
| 688 | return (file ? 0 : EOF(-1)); |
| 689 | } |
| 690 | |
| 691 | struct ifsd_config * |
| 692 | parse_config(char *filename, int opts) |
| 693 | { |
| 694 | int errors = 0; |
| 695 | struct sym *sym, *next; |
| 696 | struct ifsd_state *state; |
| 697 | |
| 698 | if ((conf = calloc(1, sizeof(struct ifsd_config))) == NULL((void *)0)) { |
| 699 | err(1, "%s", __func__); |
| 700 | return (NULL((void *)0)); |
| 701 | } |
| 702 | |
| 703 | if ((file = pushfile(filename, 0)) == NULL((void *)0)) { |
| 704 | free(conf); |
| 705 | return (NULL((void *)0)); |
| 706 | } |
| 707 | topfile = file; |
| 708 | |
| 709 | TAILQ_INIT(&conf->states)do { (&conf->states)->tqh_first = ((void *)0); (& conf->states)->tqh_last = &(&conf->states)-> tqh_first; } while (0); |
| 710 | |
| 711 | init_state(&conf->initstate); |
| 712 | curaction = conf->initstate.body; |
| 713 | conf->opts = opts; |
| 714 | |
| 715 | yyparse(); |
| 716 | |
| 717 | /* Link states */ |
| 718 | TAILQ_FOREACH(state, &conf->states, entries)for((state) = ((&conf->states)->tqh_first); (state) != ((void *)0); (state) = ((state)->entries.tqe_next)) { |
| 719 | link_states(state->init); |
| 720 | link_states(state->body); |
| 721 | } |
| 722 | |
| 723 | errors = file->errors; |
| 724 | popfile(); |
| 725 | |
| 726 | if (start_state != NULL((void *)0)) { |
| 727 | TAILQ_FOREACH(state, &conf->states, entries)for((state) = ((&conf->states)->tqh_first); (state) != ((void *)0); (state) = ((state)->entries.tqe_next)) { |
| 728 | if (strcmp(start_state, state->name) == 0) { |
| 729 | conf->curstate = state; |
| 730 | break; |
| 731 | } |
| 732 | } |
| 733 | if (conf->curstate == NULL((void *)0)) |
| 734 | errx(1, "invalid start state %s", start_state); |
| 735 | } else { |
| 736 | conf->curstate = TAILQ_FIRST(&conf->states)((&conf->states)->tqh_first); |
| 737 | } |
| 738 | |
| 739 | /* Free macros and check which have not been used. */ |
| 740 | TAILQ_FOREACH_SAFE(sym, &symhead, entry, next)for ((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0) && ((next) = ((sym)->entry.tqe_next), 1); (sym ) = (next)) { |
| 741 | if ((conf->opts & IFSD_OPT_VERBOSE20x00000002) && !sym->used) |
| 742 | fprintf(stderr(&__sF[2]), "warning: macro '%s' not " |
| 743 | "used\n", sym->nam); |
| 744 | if (!sym->persist) { |
| 745 | free(sym->nam); |
| 746 | free(sym->val); |
| 747 | TAILQ_REMOVE(&symhead, sym, entry)do { if (((sym)->entry.tqe_next) != ((void *)0)) (sym)-> entry.tqe_next->entry.tqe_prev = (sym)->entry.tqe_prev; else (&symhead)->tqh_last = (sym)->entry.tqe_prev; *(sym)->entry.tqe_prev = (sym)->entry.tqe_next; ; ; } while (0); |
| 748 | free(sym); |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | if (errors) { |
| 753 | clear_config(conf); |
| 754 | errors = 0; |
Value stored to 'errors' is never read | |
| 755 | return (NULL((void *)0)); |
| 756 | } |
| 757 | |
| 758 | return (conf); |
| 759 | } |
| 760 | |
| 761 | void |
| 762 | link_states(struct ifsd_action *action) |
| 763 | { |
| 764 | struct ifsd_action *subaction; |
| 765 | |
| 766 | switch (action->type) { |
| 767 | default: |
| 768 | case IFSD_ACTION_COMMAND1: |
| 769 | break; |
| 770 | case IFSD_ACTION_CHANGESTATE2: { |
| 771 | struct ifsd_state *state; |
| 772 | |
| 773 | TAILQ_FOREACH(state, &conf->states, entries)for((state) = ((&conf->states)->tqh_first); (state) != ((void *)0); (state) = ((state)->entries.tqe_next)) { |
| 774 | if (strcmp(action->act.statename, |
| 775 | state->name) == 0) { |
| 776 | action->act.nextstate = state; |
| 777 | break; |
| 778 | } |
| 779 | } |
| 780 | if (state == NULL((void *)0)) { |
| 781 | fprintf(stderr(&__sF[2]), "error: state '%s' not declared\n", |
| 782 | action->act.statename); |
| 783 | file->errors++; |
| 784 | } |
| 785 | break; |
| 786 | } |
| 787 | case IFSD_ACTION_CONDITION3: |
| 788 | TAILQ_FOREACH(subaction, &action->act.c.actions, entries)for((subaction) = ((&action->act.c.actions)->tqh_first ); (subaction) != ((void *)0); (subaction) = ((subaction)-> entries.tqe_next)) |
| 789 | link_states(subaction); |
| 790 | break; |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | int |
| 795 | symset(const char *nam, const char *val, int persist) |
| 796 | { |
| 797 | struct sym *sym; |
| 798 | |
| 799 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { |
| 800 | if (strcmp(nam, sym->nam) == 0) |
| 801 | break; |
| 802 | } |
| 803 | |
| 804 | if (sym != NULL((void *)0)) { |
| 805 | if (sym->persist == 1) |
| 806 | return (0); |
| 807 | else { |
| 808 | free(sym->nam); |
| 809 | free(sym->val); |
| 810 | TAILQ_REMOVE(&symhead, sym, entry)do { if (((sym)->entry.tqe_next) != ((void *)0)) (sym)-> entry.tqe_next->entry.tqe_prev = (sym)->entry.tqe_prev; else (&symhead)->tqh_last = (sym)->entry.tqe_prev; *(sym)->entry.tqe_prev = (sym)->entry.tqe_next; ; ; } while (0); |
| 811 | free(sym); |
| 812 | } |
| 813 | } |
| 814 | if ((sym = calloc(1, sizeof(*sym))) == NULL((void *)0)) |
| 815 | return (-1); |
| 816 | |
| 817 | sym->nam = strdup(nam); |
| 818 | if (sym->nam == NULL((void *)0)) { |
| 819 | free(sym); |
| 820 | return (-1); |
| 821 | } |
| 822 | sym->val = strdup(val); |
| 823 | if (sym->val == NULL((void *)0)) { |
| 824 | free(sym->nam); |
| 825 | free(sym); |
| 826 | return (-1); |
| 827 | } |
| 828 | sym->used = 0; |
| 829 | sym->persist = persist; |
| 830 | TAILQ_INSERT_TAIL(&symhead, sym, entry)do { (sym)->entry.tqe_next = ((void *)0); (sym)->entry. tqe_prev = (&symhead)->tqh_last; *(&symhead)->tqh_last = (sym); (&symhead)->tqh_last = &(sym)->entry. tqe_next; } while (0); |
| 831 | return (0); |
| 832 | } |
| 833 | |
| 834 | int |
| 835 | cmdline_symset(char *s) |
| 836 | { |
| 837 | char *sym, *val; |
| 838 | int ret; |
| 839 | |
| 840 | if ((val = strrchr(s, '=')) == NULL((void *)0)) |
| 841 | return (-1); |
| 842 | sym = strndup(s, val - s); |
| 843 | if (sym == NULL((void *)0)) |
| 844 | err(1, "%s", __func__); |
| 845 | ret = symset(sym, val + 1, 1); |
| 846 | free(sym); |
| 847 | |
| 848 | return (ret); |
| 849 | } |
| 850 | |
| 851 | char * |
| 852 | symget(const char *nam) |
| 853 | { |
| 854 | struct sym *sym; |
| 855 | |
| 856 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { |
| 857 | if (strcmp(nam, sym->nam) == 0) { |
| 858 | sym->used = 1; |
| 859 | return (sym->val); |
| 860 | } |
| 861 | } |
| 862 | return (NULL((void *)0)); |
| 863 | } |
| 864 | |
| 865 | void |
| 866 | set_expression_depth(struct ifsd_expression *expression, int depth) |
| 867 | { |
| 868 | expression->depth = depth; |
| 869 | if (conf->maxdepth < depth) |
| 870 | conf->maxdepth = depth; |
| 871 | if (expression->left != NULL((void *)0)) |
| 872 | set_expression_depth(expression->left, depth + 1); |
| 873 | if (expression->right != NULL((void *)0)) |
| 874 | set_expression_depth(expression->right, depth + 1); |
| 875 | } |
| 876 | |
| 877 | void |
| 878 | init_state(struct ifsd_state *state) |
| 879 | { |
| 880 | TAILQ_INIT(&state->interface_states)do { (&state->interface_states)->tqh_first = ((void *)0); (&state->interface_states)->tqh_last = & (&state->interface_states)->tqh_first; } while (0); |
| 881 | TAILQ_INIT(&state->external_tests)do { (&state->external_tests)->tqh_first = ((void * )0); (&state->external_tests)->tqh_last = &(& state->external_tests)->tqh_first; } while (0); |
| 882 | |
| 883 | if ((state->init = calloc(1, sizeof(*state->init))) == NULL((void *)0)) |
| 884 | err(1, "%s", __func__); |
| 885 | state->init->type = IFSD_ACTION_CONDITION3; |
| 886 | TAILQ_INIT(&state->init->act.c.actions)do { (&state->init->act.c.actions)->tqh_first = ( (void *)0); (&state->init->act.c.actions)->tqh_last = &(&state->init->act.c.actions)->tqh_first ; } while (0); |
| 887 | |
| 888 | if ((state->body = calloc(1, sizeof(*state->body))) == NULL((void *)0)) |
| 889 | err(1, "%s", __func__); |
| 890 | state->body->type = IFSD_ACTION_CONDITION3; |
| 891 | TAILQ_INIT(&state->body->act.c.actions)do { (&state->body->act.c.actions)->tqh_first = ( (void *)0); (&state->body->act.c.actions)->tqh_last = &(&state->body->act.c.actions)->tqh_first ; } while (0); |
| 892 | } |
| 893 | |
| 894 | struct ifsd_ifstate * |
| 895 | new_ifstate(char *ifname, int s) |
| 896 | { |
| 897 | struct ifsd_ifstate *ifstate = NULL((void *)0); |
| 898 | struct ifsd_state *state; |
| 899 | |
| 900 | if (curstate != NULL((void *)0)) |
| 901 | state = curstate; |
| 902 | else |
| 903 | state = &conf->initstate; |
| 904 | |
| 905 | TAILQ_FOREACH(ifstate, &state->interface_states, entries)for((ifstate) = ((&state->interface_states)->tqh_first ); (ifstate) != ((void *)0); (ifstate) = ((ifstate)->entries .tqe_next)) |
| 906 | if (strcmp(ifstate->ifname, ifname) == 0 && |
| 907 | ifstate->ifstate == s) |
| 908 | break; |
| 909 | if (ifstate == NULL((void *)0)) { |
| 910 | if ((ifstate = calloc(1, sizeof(*ifstate))) == NULL((void *)0)) |
| 911 | err(1, "%s", __func__); |
| 912 | if (strlcpy(ifstate->ifname, ifname, |
| 913 | sizeof(ifstate->ifname)) >= sizeof(ifstate->ifname)) |
| 914 | errx(1, "ifname strlcpy truncation"); |
| 915 | free(ifname); |
| 916 | ifstate->ifstate = s; |
| 917 | TAILQ_INIT(&ifstate->expressions)do { (&ifstate->expressions)->tqh_first = ((void *) 0); (&ifstate->expressions)->tqh_last = &(& ifstate->expressions)->tqh_first; } while (0); |
| 918 | TAILQ_INSERT_TAIL(&state->interface_states, ifstate, entries)do { (ifstate)->entries.tqe_next = ((void *)0); (ifstate)-> entries.tqe_prev = (&state->interface_states)->tqh_last ; *(&state->interface_states)->tqh_last = (ifstate) ; (&state->interface_states)->tqh_last = &(ifstate )->entries.tqe_next; } while (0); |
| 919 | } |
| 920 | ifstate->prevstate = -1; |
| 921 | ifstate->refcount++; |
| 922 | return (ifstate); |
| 923 | } |
| 924 | |
| 925 | struct ifsd_external * |
| 926 | new_external(char *command, u_int32_t frequency) |
| 927 | { |
| 928 | struct ifsd_external *external = NULL((void *)0); |
| 929 | struct ifsd_state *state; |
| 930 | |
| 931 | if (curstate != NULL((void *)0)) |
| 932 | state = curstate; |
| 933 | else |
| 934 | state = &conf->initstate; |
| 935 | |
| 936 | TAILQ_FOREACH(external, &state->external_tests, entries)for((external) = ((&state->external_tests)->tqh_first ); (external) != ((void *)0); (external) = ((external)->entries .tqe_next)) |
| 937 | if (strcmp(external->command, command) == 0 && |
| 938 | external->frequency == frequency) |
| 939 | break; |
| 940 | if (external == NULL((void *)0)) { |
| 941 | if ((external = calloc(1, sizeof(*external))) == NULL((void *)0)) |
| 942 | err(1, "%s", __func__); |
| 943 | if ((external->command = strdup(command)) == NULL((void *)0)) |
| 944 | err(1, "%s", __func__); |
| 945 | external->frequency = frequency; |
| 946 | TAILQ_INIT(&external->expressions)do { (&external->expressions)->tqh_first = ((void * )0); (&external->expressions)->tqh_last = &(& external->expressions)->tqh_first; } while (0); |
| 947 | TAILQ_INSERT_TAIL(&state->external_tests, external, entries)do { (external)->entries.tqe_next = ((void *)0); (external )->entries.tqe_prev = (&state->external_tests)-> tqh_last; *(&state->external_tests)->tqh_last = (external ); (&state->external_tests)->tqh_last = &(external )->entries.tqe_next; } while (0); |
| 948 | } |
| 949 | external->prevstatus = -1; |
| 950 | external->refcount++; |
| 951 | return (external); |
| 952 | } |
| 953 | #line 946 "parse.c" |
| 954 | /* allocate initial stack or double stack size, up to YYMAXDEPTH */ |
| 955 | static int yygrowstack(void) |
| 956 | { |
| 957 | unsigned int newsize; |
| 958 | long sslen; |
| 959 | short *newss; |
| 960 | YYSTYPE *newvs; |
| 961 | |
| 962 | if ((newsize = yystacksize) == 0) |
| 963 | newsize = YYINITSTACKSIZE200; |
| 964 | else if (newsize >= YYMAXDEPTH10000) |
| 965 | return -1; |
| 966 | else if ((newsize *= 2) > YYMAXDEPTH10000) |
| 967 | newsize = YYMAXDEPTH10000; |
| 968 | sslen = yyssp - yyss; |
| 969 | #ifdef SIZE_MAX0xffffffffffffffffUL |
| 970 | #define YY_SIZE_MAX0xffffffffffffffffUL SIZE_MAX0xffffffffffffffffUL |
| 971 | #else |
| 972 | #define YY_SIZE_MAX0xffffffffffffffffUL 0xffffffffU |
| 973 | #endif |
| 974 | if (newsize && YY_SIZE_MAX0xffffffffffffffffUL / newsize < sizeof *newss) |
| 975 | goto bail; |
| 976 | newss = (short *)realloc(yyss, newsize * sizeof *newss); |
| 977 | if (newss == NULL((void *)0)) |
| 978 | goto bail; |
| 979 | yyss = newss; |
| 980 | yyssp = newss + sslen; |
| 981 | if (newsize && YY_SIZE_MAX0xffffffffffffffffUL / newsize < sizeof *newvs) |
| 982 | goto bail; |
| 983 | newvs = (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs); |
| 984 | if (newvs == NULL((void *)0)) |
| 985 | goto bail; |
| 986 | yyvs = newvs; |
| 987 | yyvsp = newvs + sslen; |
| 988 | yystacksize = newsize; |
| 989 | yysslim = yyss + newsize - 1; |
| 990 | return 0; |
| 991 | bail: |
| 992 | if (yyss) |
| 993 | free(yyss); |
| 994 | if (yyvs) |
| 995 | free(yyvs); |
| 996 | yyss = yyssp = NULL((void *)0); |
| 997 | yyvs = yyvsp = NULL((void *)0); |
| 998 | yystacksize = 0; |
| 999 | return -1; |
| 1000 | } |
| 1001 | |
| 1002 | #define YYABORTgoto yyabort goto yyabort |
| 1003 | #define YYREJECTgoto yyabort goto yyabort |
| 1004 | #define YYACCEPTgoto yyaccept goto yyaccept |
| 1005 | #define YYERRORgoto yyerrlab goto yyerrlab |
| 1006 | int |
| 1007 | yyparse(void) |
| 1008 | { |
| 1009 | int yym, yyn, yystate; |
| 1010 | #if YYDEBUG0 |
| 1011 | const char *yys; |
| 1012 | |
| 1013 | if ((yys = getenv("YYDEBUG"))) |
| 1014 | { |
| 1015 | yyn = *yys; |
| 1016 | if (yyn >= '0' && yyn <= '9') |
| 1017 | yydebug = yyn - '0'; |
| 1018 | } |
| 1019 | #endif /* YYDEBUG */ |
| 1020 | |
| 1021 | yynerrs = 0; |
| 1022 | yyerrflag = 0; |
| 1023 | yychar = (-1); |
| 1024 | |
| 1025 | if (yyss == NULL((void *)0) && yygrowstack()) goto yyoverflow; |
| 1026 | yyssp = yyss; |
| 1027 | yyvsp = yyvs; |
| 1028 | *yyssp = yystate = 0; |
| 1029 | |
| 1030 | yyloop: |
| 1031 | if ((yyn = yydefred[yystate]) != 0) goto yyreduce; |
| 1032 | if (yychar < 0) |
| 1033 | { |
| 1034 | if ((yychar = yylex()) < 0) yychar = 0; |
| 1035 | #if YYDEBUG0 |
| 1036 | if (yydebug) |
| 1037 | { |
| 1038 | yys = 0; |
| 1039 | if (yychar <= YYMAXTOKEN273) yys = yyname[yychar]; |
| 1040 | if (!yys) yys = "illegal-symbol"; |
| 1041 | printf("%sdebug: state %d, reading %d (%s)\n", |
| 1042 | YYPREFIX"yy", yystate, yychar, yys); |
| 1043 | } |
| 1044 | #endif |
| 1045 | } |
| 1046 | if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && |
| 1047 | yyn <= YYTABLESIZE262 && yycheck[yyn] == yychar) |
| 1048 | { |
| 1049 | #if YYDEBUG0 |
| 1050 | if (yydebug) |
| 1051 | printf("%sdebug: state %d, shifting to state %d\n", |
| 1052 | YYPREFIX"yy", yystate, yytable[yyn]); |
| 1053 | #endif |
| 1054 | if (yyssp >= yysslim && yygrowstack()) |
| 1055 | { |
| 1056 | goto yyoverflow; |
| 1057 | } |
| 1058 | *++yyssp = yystate = yytable[yyn]; |
| 1059 | *++yyvsp = yylval; |
| 1060 | yychar = (-1); |
| 1061 | if (yyerrflag > 0) --yyerrflag; |
| 1062 | goto yyloop; |
| 1063 | } |
| 1064 | if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && |
| 1065 | yyn <= YYTABLESIZE262 && yycheck[yyn] == yychar) |
| 1066 | { |
| 1067 | yyn = yytable[yyn]; |
| 1068 | goto yyreduce; |
| 1069 | } |
| 1070 | if (yyerrflag) goto yyinrecovery; |
| 1071 | #if defined(__GNUC__4) |
| 1072 | goto yynewerror; |
| 1073 | #endif |
| 1074 | yynewerror: |
| 1075 | yyerror("syntax error"); |
| 1076 | #if defined(__GNUC__4) |
| 1077 | goto yyerrlab; |
| 1078 | #endif |
| 1079 | yyerrlab: |
| 1080 | ++yynerrs; |
| 1081 | yyinrecovery: |
| 1082 | if (yyerrflag < 3) |
| 1083 | { |
| 1084 | yyerrflag = 3; |
| 1085 | for (;;) |
| 1086 | { |
| 1087 | if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE256) >= 0 && |
| 1088 | yyn <= YYTABLESIZE262 && yycheck[yyn] == YYERRCODE256) |
| 1089 | { |
| 1090 | #if YYDEBUG0 |
| 1091 | if (yydebug) |
| 1092 | printf("%sdebug: state %d, error recovery shifting\ |
| 1093 | to state %d\n", YYPREFIX"yy", *yyssp, yytable[yyn]); |
| 1094 | #endif |
| 1095 | if (yyssp >= yysslim && yygrowstack()) |
| 1096 | { |
| 1097 | goto yyoverflow; |
| 1098 | } |
| 1099 | *++yyssp = yystate = yytable[yyn]; |
| 1100 | *++yyvsp = yylval; |
| 1101 | goto yyloop; |
| 1102 | } |
| 1103 | else |
| 1104 | { |
| 1105 | #if YYDEBUG0 |
| 1106 | if (yydebug) |
| 1107 | printf("%sdebug: error recovery discarding state %d\n", |
| 1108 | YYPREFIX"yy", *yyssp); |
| 1109 | #endif |
| 1110 | if (yyssp <= yyss) goto yyabort; |
| 1111 | --yyssp; |
| 1112 | --yyvsp; |
| 1113 | } |
| 1114 | } |
| 1115 | } |
| 1116 | else |
| 1117 | { |
| 1118 | if (yychar == 0) goto yyabort; |
| 1119 | #if YYDEBUG0 |
| 1120 | if (yydebug) |
| 1121 | { |
| 1122 | yys = 0; |
| 1123 | if (yychar <= YYMAXTOKEN273) yys = yyname[yychar]; |
| 1124 | if (!yys) yys = "illegal-symbol"; |
| 1125 | printf("%sdebug: state %d, error recovery discards token %d (%s)\n", |
| 1126 | YYPREFIX"yy", yystate, yychar, yys); |
| 1127 | } |
| 1128 | #endif |
| 1129 | yychar = (-1); |
| 1130 | goto yyloop; |
| 1131 | } |
| 1132 | yyreduce: |
| 1133 | #if YYDEBUG0 |
| 1134 | if (yydebug) |
| 1135 | printf("%sdebug: state %d, reducing by rule %d (%s)\n", |
| 1136 | YYPREFIX"yy", yystate, yyn, yyrule[yyn]); |
| 1137 | #endif |
| 1138 | yym = yylen[yyn]; |
| 1139 | if (yym) |
| 1140 | yyval = yyvsp[1-yym]; |
| 1141 | else |
| 1142 | memset(&yyval, 0, sizeof yyval); |
| 1143 | switch (yyn) |
| 1144 | { |
| 1145 | case 7: |
| 1146 | #line 128 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1147 | { file->errors++; } |
| 1148 | break; |
| 1149 | case 8: |
| 1150 | #line 131 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1151 | { |
| 1152 | if (asprintf(&yyval.v.string, "%s %s", yyvsp[-1].v.string, yyvsp[0].v.string) == -1) { |
| 1153 | free(yyvsp[-1].v.string); |
| 1154 | free(yyvsp[0].v.string); |
| 1155 | yyerror("string: asprintf"); |
| 1156 | YYERRORgoto yyerrlab; |
| 1157 | } |
| 1158 | free(yyvsp[-1].v.string); |
| 1159 | free(yyvsp[0].v.string); |
| 1160 | } |
| 1161 | break; |
| 1162 | case 10: |
| 1163 | #line 144 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1164 | { |
| 1165 | char *s = yyvsp[-2].v.string; |
| 1166 | if (conf->opts & IFSD_OPT_VERBOSE0x00000001) |
| 1167 | printf("%s = \"%s\"\n", yyvsp[-2].v.string, yyvsp[0].v.string); |
| 1168 | while (*s++) { |
| 1169 | if (isspace((unsigned char)*s)) { |
| 1170 | yyerror("macro name cannot contain " |
| 1171 | "whitespace"); |
| 1172 | free(yyvsp[-2].v.string); |
| 1173 | free(yyvsp[0].v.string); |
| 1174 | YYERRORgoto yyerrlab; |
| 1175 | } |
| 1176 | } |
| 1177 | if (symset(yyvsp[-2].v.string, yyvsp[0].v.string, 0) == -1) { |
| 1178 | free(yyvsp[-2].v.string); |
| 1179 | free(yyvsp[0].v.string); |
| 1180 | yyerror("cannot store variable"); |
| 1181 | YYERRORgoto yyerrlab; |
| 1182 | } |
| 1183 | free(yyvsp[-2].v.string); |
| 1184 | free(yyvsp[0].v.string); |
| 1185 | } |
| 1186 | break; |
| 1187 | case 11: |
| 1188 | #line 168 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1189 | { |
| 1190 | start_state = yyvsp[0].v.string; |
| 1191 | } |
| 1192 | break; |
| 1193 | case 12: |
| 1194 | #line 173 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1195 | { |
| 1196 | if (if_nametoindex(yyvsp[0].v.string) == 0) { |
| 1197 | yyerror("unknown interface %s", yyvsp[0].v.string); |
| 1198 | free(yyvsp[0].v.string); |
| 1199 | YYERRORgoto yyerrlab; |
| 1200 | } |
| 1201 | yyval.v.string = yyvsp[0].v.string; |
| 1202 | } |
| 1203 | break; |
| 1204 | case 16: |
| 1205 | #line 190 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1206 | { |
| 1207 | struct ifsd_action *action; |
| 1208 | |
| 1209 | if ((action = calloc(1, sizeof(*action))) == NULL((void *)0)) |
| 1210 | err(1, "action: calloc"); |
| 1211 | action->type = IFSD_ACTION_COMMAND1; |
| 1212 | action->act.command = yyvsp[0].v.string; |
| 1213 | TAILQ_INSERT_TAIL(&curaction->act.c.actions,do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0) |
| 1214 | action, entries)do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0); |
| 1215 | } |
| 1216 | break; |
| 1217 | case 17: |
| 1218 | #line 200 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1219 | { |
| 1220 | struct ifsd_action *action; |
| 1221 | |
| 1222 | if (curstate == NULL((void *)0)) { |
| 1223 | free(yyvsp[0].v.string); |
| 1224 | yyerror("set-state must be used inside 'if'"); |
| 1225 | YYERRORgoto yyerrlab; |
| 1226 | } |
| 1227 | if ((action = calloc(1, sizeof(*action))) == NULL((void *)0)) |
| 1228 | err(1, "action: calloc"); |
| 1229 | action->type = IFSD_ACTION_CHANGESTATE2; |
| 1230 | action->act.statename = yyvsp[0].v.string; |
| 1231 | TAILQ_INSERT_TAIL(&curaction->act.c.actions,do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0) |
| 1232 | action, entries)do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0); |
| 1233 | } |
| 1234 | break; |
| 1235 | case 18: |
| 1236 | #line 215 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1237 | { |
| 1238 | struct ifsd_action *action; |
| 1239 | |
| 1240 | if ((action = calloc(1, sizeof(*action))) == NULL((void *)0)) |
| 1241 | err(1, "action: calloc"); |
| 1242 | action->type = IFSD_ACTION_CONDITION3; |
| 1243 | TAILQ_INIT(&action->act.c.actions)do { (&action->act.c.actions)->tqh_first = ((void * )0); (&action->act.c.actions)->tqh_last = &(& action->act.c.actions)->tqh_first; } while (0); |
| 1244 | TAILQ_INSERT_TAIL(&curaction->act.c.actions,do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0) |
| 1245 | action, entries)do { (action)->entries.tqe_next = ((void *)0); (action)-> entries.tqe_prev = (&curaction->act.c.actions)->tqh_last ; *(&curaction->act.c.actions)->tqh_last = (action) ; (&curaction->act.c.actions)->tqh_last = &(action )->entries.tqe_next; } while (0); |
| 1246 | action->parent = curaction; |
| 1247 | curaction = action; |
| 1248 | } |
| 1249 | break; |
| 1250 | case 19: |
| 1251 | #line 226 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1252 | { |
| 1253 | set_expression_depth(curaction->act.c.expression, 0); |
| 1254 | curaction = curaction->parent; |
| 1255 | } |
| 1256 | break; |
| 1257 | case 24: |
| 1258 | #line 240 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1259 | { |
| 1260 | if (curstate != NULL((void *)0)) |
| 1261 | curaction = curstate->init; |
| 1262 | else |
| 1263 | curaction = conf->initstate.init; |
| 1264 | } |
| 1265 | break; |
| 1266 | case 25: |
| 1267 | #line 245 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1268 | { |
| 1269 | if (curstate != NULL((void *)0)) |
| 1270 | curaction = curstate->body; |
| 1271 | else |
| 1272 | curaction = conf->initstate.body; |
| 1273 | } |
| 1274 | break; |
| 1275 | case 26: |
| 1276 | #line 253 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1277 | { |
| 1278 | yyval.v.ifstate = new_ifstate(yyvsp[-4].v.string, IFSD_LINKUP2); |
| 1279 | } |
| 1280 | break; |
| 1281 | case 27: |
| 1282 | #line 256 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1283 | { |
| 1284 | yyval.v.ifstate = new_ifstate(yyvsp[-4].v.string, IFSD_LINKDOWN1); |
| 1285 | } |
| 1286 | break; |
| 1287 | case 28: |
| 1288 | #line 259 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1289 | { |
| 1290 | yyval.v.ifstate = new_ifstate(yyvsp[-4].v.string, IFSD_LINKUNKNOWN0); |
| 1291 | } |
| 1292 | break; |
| 1293 | case 29: |
| 1294 | #line 264 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1295 | { |
| 1296 | if (yyvsp[0].v.number <= 0 || yyvsp[0].v.number > UINT_MAX(2147483647 *2U +1U)) { |
| 1297 | yyerror("invalid interval: %lld", yyvsp[0].v.number); |
| 1298 | free(yyvsp[-2].v.string); |
| 1299 | YYERRORgoto yyerrlab; |
| 1300 | } |
| 1301 | yyval.v.external = new_external(yyvsp[-2].v.string, yyvsp[0].v.number); |
| 1302 | free(yyvsp[-2].v.string); |
| 1303 | } |
| 1304 | break; |
| 1305 | case 30: |
| 1306 | #line 275 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1307 | { |
| 1308 | if ((yyval.v.expression = calloc(1, sizeof(*yyval.v.expression))) == NULL((void *)0)) |
| 1309 | err(1, NULL((void *)0)); |
| 1310 | curaction->act.c.expression = yyval.v.expression; |
| 1311 | yyval.v.expression->type = IFSD_OPER_IFSTATE5; |
| 1312 | yyval.v.expression->u.ifstate = yyvsp[0].v.ifstate; |
| 1313 | TAILQ_INSERT_TAIL(&yyvsp[0].v.ifstate->expressions, yyval.v.expression, entries)do { (yyval.v.expression)->entries.tqe_next = ((void *)0); (yyval.v.expression)->entries.tqe_prev = (&yyvsp[0].v .ifstate->expressions)->tqh_last; *(&yyvsp[0].v.ifstate ->expressions)->tqh_last = (yyval.v.expression); (& yyvsp[0].v.ifstate->expressions)->tqh_last = &(yyval .v.expression)->entries.tqe_next; } while (0); |
| 1314 | } |
| 1315 | break; |
| 1316 | case 31: |
| 1317 | #line 283 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1318 | { |
| 1319 | if ((yyval.v.expression = calloc(1, sizeof(*yyval.v.expression))) == NULL((void *)0)) |
| 1320 | err(1, NULL((void *)0)); |
| 1321 | curaction->act.c.expression = yyval.v.expression; |
| 1322 | yyval.v.expression->type = IFSD_OPER_EXTERNAL4; |
| 1323 | yyval.v.expression->u.external = yyvsp[0].v.external; |
| 1324 | TAILQ_INSERT_TAIL(&yyvsp[0].v.external->expressions, yyval.v.expression, entries)do { (yyval.v.expression)->entries.tqe_next = ((void *)0); (yyval.v.expression)->entries.tqe_prev = (&yyvsp[0].v .external->expressions)->tqh_last; *(&yyvsp[0].v.external ->expressions)->tqh_last = (yyval.v.expression); (& yyvsp[0].v.external->expressions)->tqh_last = &(yyval .v.expression)->entries.tqe_next; } while (0); |
| 1325 | } |
| 1326 | break; |
| 1327 | case 32: |
| 1328 | #line 291 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1329 | { |
| 1330 | yyval.v.expression = yyvsp[-1].v.expression; |
| 1331 | } |
| 1332 | break; |
| 1333 | case 33: |
| 1334 | #line 296 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1335 | { |
| 1336 | if ((yyval.v.expression = calloc(1, sizeof(*yyval.v.expression))) == NULL((void *)0)) |
| 1337 | err(1, NULL((void *)0)); |
| 1338 | curaction->act.c.expression = yyval.v.expression; |
| 1339 | yyval.v.expression->type = IFSD_OPER_NOT3; |
| 1340 | yyvsp[0].v.expression->parent = yyval.v.expression; |
| 1341 | yyval.v.expression->right = yyvsp[0].v.expression; |
| 1342 | } |
| 1343 | break; |
| 1344 | case 34: |
| 1345 | #line 304 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1346 | { |
| 1347 | if ((yyval.v.expression = calloc(1, sizeof(*yyval.v.expression))) == NULL((void *)0)) |
| 1348 | err(1, NULL((void *)0)); |
| 1349 | curaction->act.c.expression = yyval.v.expression; |
| 1350 | yyval.v.expression->type = IFSD_OPER_AND1; |
| 1351 | yyvsp[-2].v.expression->parent = yyval.v.expression; |
| 1352 | yyvsp[0].v.expression->parent = yyval.v.expression; |
| 1353 | yyval.v.expression->left = yyvsp[-2].v.expression; |
| 1354 | yyval.v.expression->right = yyvsp[0].v.expression; |
| 1355 | } |
| 1356 | break; |
| 1357 | case 35: |
| 1358 | #line 314 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1359 | { |
| 1360 | if ((yyval.v.expression = calloc(1, sizeof(*yyval.v.expression))) == NULL((void *)0)) |
| 1361 | err(1, NULL((void *)0)); |
| 1362 | curaction->act.c.expression = yyval.v.expression; |
| 1363 | yyval.v.expression->type = IFSD_OPER_OR2; |
| 1364 | yyvsp[-2].v.expression->parent = yyval.v.expression; |
| 1365 | yyvsp[0].v.expression->parent = yyval.v.expression; |
| 1366 | yyval.v.expression->left = yyvsp[-2].v.expression; |
| 1367 | yyval.v.expression->right = yyvsp[0].v.expression; |
| 1368 | } |
| 1369 | break; |
| 1370 | case 37: |
| 1371 | #line 327 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1372 | { |
| 1373 | struct ifsd_state *state = NULL((void *)0); |
| 1374 | |
| 1375 | TAILQ_FOREACH(state, &conf->states, entries)for((state) = ((&conf->states)->tqh_first); (state) != ((void *)0); (state) = ((state)->entries.tqe_next)) |
| 1376 | if (!strcmp(state->name, yyvsp[0].v.string)) { |
| 1377 | yyerror("state %s already exists", yyvsp[0].v.string); |
| 1378 | free(yyvsp[0].v.string); |
| 1379 | YYERRORgoto yyerrlab; |
| 1380 | } |
| 1381 | if ((state = calloc(1, sizeof(*curstate))) == NULL((void *)0)) |
| 1382 | err(1, NULL((void *)0)); |
| 1383 | init_state(state); |
| 1384 | state->name = yyvsp[0].v.string; |
| 1385 | curstate = state; |
| 1386 | curaction = state->body; |
| 1387 | } |
| 1388 | break; |
| 1389 | case 38: |
| 1390 | #line 342 "/usr/src/usr.sbin/ifstated/parse.y" |
| 1391 | { |
| 1392 | TAILQ_INSERT_TAIL(&conf->states, curstate, entries)do { (curstate)->entries.tqe_next = ((void *)0); (curstate )->entries.tqe_prev = (&conf->states)->tqh_last; *(&conf->states)->tqh_last = (curstate); (&conf ->states)->tqh_last = &(curstate)->entries.tqe_next ; } while (0); |
| 1393 | curstate = NULL((void *)0); |
| 1394 | curaction = conf->initstate.body; |
| 1395 | } |
| 1396 | break; |
| 1397 | #line 1390 "parse.c" |
| 1398 | } |
| 1399 | yyssp -= yym; |
| 1400 | yystate = *yyssp; |
| 1401 | yyvsp -= yym; |
| 1402 | yym = yylhs[yyn]; |
| 1403 | if (yystate == 0 && yym == 0) |
| 1404 | { |
| 1405 | #if YYDEBUG0 |
| 1406 | if (yydebug) |
| 1407 | printf("%sdebug: after reduction, shifting from state 0 to\ |
| 1408 | state %d\n", YYPREFIX"yy", YYFINAL1); |
| 1409 | #endif |
| 1410 | yystate = YYFINAL1; |
| 1411 | *++yyssp = YYFINAL1; |
| 1412 | *++yyvsp = yyval; |
| 1413 | if (yychar < 0) |
| 1414 | { |
| 1415 | if ((yychar = yylex()) < 0) yychar = 0; |
| 1416 | #if YYDEBUG0 |
| 1417 | if (yydebug) |
| 1418 | { |
| 1419 | yys = 0; |
| 1420 | if (yychar <= YYMAXTOKEN273) yys = yyname[yychar]; |
| 1421 | if (!yys) yys = "illegal-symbol"; |
| 1422 | printf("%sdebug: state %d, reading %d (%s)\n", |
| 1423 | YYPREFIX"yy", YYFINAL1, yychar, yys); |
| 1424 | } |
| 1425 | #endif |
| 1426 | } |
| 1427 | if (yychar == 0) goto yyaccept; |
| 1428 | goto yyloop; |
| 1429 | } |
| 1430 | if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && |
| 1431 | yyn <= YYTABLESIZE262 && yycheck[yyn] == yystate) |
| 1432 | yystate = yytable[yyn]; |
| 1433 | else |
| 1434 | yystate = yydgoto[yym]; |
| 1435 | #if YYDEBUG0 |
| 1436 | if (yydebug) |
| 1437 | printf("%sdebug: after reduction, shifting from state %d \ |
| 1438 | to state %d\n", YYPREFIX"yy", *yyssp, yystate); |
| 1439 | #endif |
| 1440 | if (yyssp >= yysslim && yygrowstack()) |
| 1441 | { |
| 1442 | goto yyoverflow; |
| 1443 | } |
| 1444 | *++yyssp = yystate; |
| 1445 | *++yyvsp = yyval; |
| 1446 | goto yyloop; |
| 1447 | yyoverflow: |
| 1448 | yyerror("yacc stack overflow"); |
| 1449 | yyabort: |
| 1450 | if (yyss) |
| 1451 | free(yyss); |
| 1452 | if (yyvs) |
| 1453 | free(yyvs); |
| 1454 | yyss = yyssp = NULL((void *)0); |
| 1455 | yyvs = yyvsp = NULL((void *)0); |
| 1456 | yystacksize = 0; |
| 1457 | return (1); |
| 1458 | yyaccept: |
| 1459 | if (yyss) |
| 1460 | free(yyss); |
| 1461 | if (yyvs) |
| 1462 | free(yyvs); |
| 1463 | yyss = yyssp = NULL((void *)0); |
| 1464 | yyvs = yyvsp = NULL((void *)0); |
| 1465 | yystacksize = 0; |
| 1466 | return (0); |
| 1467 | } |