File: | src/usr.sbin/ifstated/obj/parse.c |
Warning: | line 995, column 13 Attempt to free released memory |
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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; | |||
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
| |||
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 | } |