File: | src/sbin/unwind/obj/parse.c |
Warning: | line 1004, column 12 Use of zero-allocated 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 26 "/usr/src/sbin/unwind/parse.y" | |||
13 | #include <sys/queue.h> | |||
14 | #include <sys/socket.h> | |||
15 | #include <sys/stat.h> | |||
16 | #include <sys/types.h> | |||
17 | ||||
18 | #include <ctype.h> | |||
19 | #include <err.h> | |||
20 | #include <errno(*__errno()).h> | |||
21 | #include <limits.h> | |||
22 | #include <netdb.h> | |||
23 | #include <stdarg.h> | |||
24 | #include <stdint.h> | |||
25 | #include <stdio.h> | |||
26 | #include <syslog.h> | |||
27 | #include <unistd.h> | |||
28 | ||||
29 | #include "log.h" | |||
30 | #include "unwind.h" | |||
31 | ||||
32 | TAILQ_HEAD(files, file)struct files { struct file *tqh_first; struct file **tqh_last ; } files = TAILQ_HEAD_INITIALIZER(files){ ((void *)0), &(files).tqh_first }; | |||
33 | static struct file { | |||
34 | TAILQ_ENTRY(file)struct { struct file *tqe_next; struct file **tqe_prev; } entry; | |||
35 | FILE *stream; | |||
36 | char *name; | |||
37 | size_t ungetpos; | |||
38 | size_t ungetsize; | |||
39 | u_char *ungetbuf; | |||
40 | int eof_reached; | |||
41 | int lineno; | |||
42 | int errors; | |||
43 | } *file, *topfile; | |||
44 | struct file *pushfile(const char *, int); | |||
45 | int popfile(void); | |||
46 | int check_file_secrecy(int, const char *); | |||
47 | int yyparse(void); | |||
48 | int yylex(void); | |||
49 | int yyerror(const char *, ...) | |||
50 | __attribute__((__format__ (printf, 1, 2))) | |||
51 | __attribute__((__nonnull__ (1))); | |||
52 | int kw_cmp(const void *, const void *); | |||
53 | int lookup(char *); | |||
54 | int igetc(void); | |||
55 | int lgetc(int); | |||
56 | void lungetc(int); | |||
57 | int findeol(void); | |||
58 | ||||
59 | TAILQ_HEAD(symhead, sym)struct symhead { struct sym *tqh_first; struct sym **tqh_last ; } symhead = TAILQ_HEAD_INITIALIZER(symhead){ ((void *)0), &(symhead).tqh_first }; | |||
60 | struct sym { | |||
61 | TAILQ_ENTRY(sym)struct { struct sym *tqe_next; struct sym **tqe_prev; } entry; | |||
62 | int used; | |||
63 | int persist; | |||
64 | char *nam; | |||
65 | char *val; | |||
66 | }; | |||
67 | ||||
68 | int symset(const char *, const char *, int); | |||
69 | char *symget(const char *); | |||
70 | int check_pref_uniq(enum uw_resolver_type); | |||
71 | ||||
72 | static struct uw_conf *conf; | |||
73 | static int errors; | |||
74 | ||||
75 | void clear_config(struct uw_conf *xconf); | |||
76 | struct sockaddr_storage *host_ip(const char *); | |||
77 | ||||
78 | typedef struct { | |||
79 | union { | |||
80 | int64_t number; | |||
81 | char *string; | |||
82 | struct force_tree force; | |||
83 | } v; | |||
84 | int lineno; | |||
85 | } YYSTYPE; | |||
86 | ||||
87 | #line 88 "parse.c" | |||
88 | #define INCLUDE257 257 | |||
89 | #define ERROR258 258 | |||
90 | #define FORWARDER259 259 | |||
91 | #define DOT260 260 | |||
92 | #define PORT261 261 | |||
93 | #define ODOT_FORWARDER262 262 | |||
94 | #define ODOT_AUTOCONF263 263 | |||
95 | #define ODOT_DHCP264 264 | |||
96 | #define AUTHENTICATION265 265 | |||
97 | #define NAME266 266 | |||
98 | #define PREFERENCE267 267 | |||
99 | #define RECURSOR268 268 | |||
100 | #define AUTOCONF269 269 | |||
101 | #define DHCP270 270 | |||
102 | #define STUB271 271 | |||
103 | #define BLOCK272 272 | |||
104 | #define LIST273 273 | |||
105 | #define LOG274 274 | |||
106 | #define FORCE275 275 | |||
107 | #define ACCEPT276 276 | |||
108 | #define BOGUS277 277 | |||
109 | #define STRING278 278 | |||
110 | #define NUMBER279 279 | |||
111 | #define YYERRCODE256 256 | |||
112 | const short yylhs[] = | |||
113 | { -1, | |||
114 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, | |||
115 | 6, 6, 10, 15, 15, 13, 17, 11, 16, 16, | |||
116 | 18, 18, 19, 3, 3, 3, 3, 3, 3, 3, | |||
117 | 3, 3, 12, 20, 20, 21, 21, 22, 1, 1, | |||
118 | 7, 7, 2, 2, 4, 4, 14, 5, 5, 8, | |||
119 | 8, | |||
120 | }; | |||
121 | const short yylen[] = | |||
122 | { 2, | |||
123 | 0, 3, 2, 3, 3, 3, 3, 3, 3, 2, | |||
124 | 2, 1, 3, 2, 0, 4, 0, 3, 4, 1, | |||
125 | 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, | |||
126 | 1, 1, 2, 4, 1, 3, 2, 4, 2, 0, | |||
127 | 3, 0, 1, 0, 1, 0, 7, 2, 0, 3, | |||
128 | 0, | |||
129 | }; | |||
130 | const short yydefred[] = | |||
131 | { 1, | |||
132 | 0, 0, 0, 0, 17, 0, 0, 0, 3, 0, | |||
133 | 0, 0, 0, 0, 0, 9, 10, 0, 0, 33, | |||
134 | 35, 0, 0, 0, 0, 0, 2, 4, 5, 6, | |||
135 | 7, 8, 0, 0, 0, 0, 25, 24, 26, 30, | |||
136 | 31, 27, 28, 29, 32, 0, 23, 18, 20, 0, | |||
137 | 48, 0, 12, 0, 39, 0, 0, 14, 0, 0, | |||
138 | 0, 45, 16, 51, 11, 0, 43, 38, 34, 0, | |||
139 | 37, 0, 0, 0, 41, 36, 19, 0, 22, 0, | |||
140 | 21, 50, 47, | |||
141 | }; | |||
142 | const short yydgoto[] = | |||
143 | { 1, | |||
144 | 34, 68, 47, 63, 25, 54, 57, 74, 10, 11, | |||
145 | 12, 13, 14, 15, 36, 48, 22, 72, 49, 20, | |||
146 | 59, 21, | |||
147 | }; | |||
148 | const short yysindex[] = | |||
149 | { 0, | |||
150 | -10, 8, -259, -119, 0, -241, -238, -22, 0, 30, | |||
151 | 33, 36, 43, 44, 50, 0, 0, -200, 52, 0, | |||
152 | 0, -96, -215, -213, -248, -211, 0, 0, 0, 0, | |||
153 | 0, 0, -214, -199, 52, -210, 0, 0, 0, 0, | |||
154 | 0, 0, 0, 0, 0, 52, 0, 0, 0, -205, | |||
155 | 0, -53, 0, -207, 0, -194, -187, 0, -118, 52, | |||
156 | -248, 0, 0, 0, 0, -204, 0, 0, 0, 52, | |||
157 | 0, -83, 52, 52, 0, 0, 0, 52, 0, -117, | |||
158 | 0, 0, 0,}; | |||
159 | const short yyrindex[] = | |||
160 | { 0, | |||
161 | 0, 0, 0, 0, 0, 0, -234, 0, 0, 0, | |||
162 | 0, 0, 0, 0, 0, 0, 0, -9, -203, 0, | |||
163 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
164 | 0, 0, 0, -8, -120, 0, 0, 0, 0, 0, | |||
165 | 0, 0, 0, 0, 0, -212, 0, 0, 0, 66, | |||
166 | 0, 0, 0, 67, 0, 0, -7, 0, 0, -116, | |||
167 | 0, 0, 0, 0, 0, 0, 0, 0, 0, -116, | |||
168 | 0, 0, -70, -116, 0, 0, 0, -70, 0, 0, | |||
169 | 0, 0, 0,}; | |||
170 | const short yygindex[] = | |||
171 | { 0, | |||
172 | 0, 0, 53, 0, 0, 0, 0, 0, 0, 0, | |||
173 | 0, 0, 0, 0, -29, 0, 0, 0, -48, 0, | |||
174 | 0, -26, | |||
175 | }; | |||
176 | #define YYTABLESIZE271 271 | |||
177 | const short yytable[] = | |||
178 | { 9, | |||
179 | 40, 42, 44, 19, 15, 58, 69, 83, 15, 60, | |||
180 | 37, 38, 73, 39, 40, 41, 61, 16, 17, 42, | |||
181 | 43, 44, 45, 78, 49, 49, 46, 49, 49, 49, | |||
182 | 71, 23, 70, 49, 49, 49, 49, 24, 26, 27, | |||
183 | 76, 77, 28, 79, 80, 29, 15, 15, 81, 15, | |||
184 | 15, 15, 30, 31, 15, 15, 15, 15, 15, 32, | |||
185 | 33, 35, 50, 51, 55, 56, 53, 18, 62, 64, | |||
186 | 65, 66, 67, 75, 15, 46, 13, 52, 0, 0, | |||
187 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
188 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
189 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
190 | 0, 0, 0, 0, 0, 40, 42, 44, 0, 0, | |||
191 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
192 | 0, 0, 0, 0, 0, 0, 0, 0, 15, 15, | |||
193 | 0, 15, 15, 15, 0, 0, 0, 15, 15, 15, | |||
194 | 15, 0, 0, 0, 0, 0, 0, 15, 18, 18, | |||
195 | 82, 15, 37, 38, 0, 39, 40, 41, 0, 0, | |||
196 | 0, 42, 43, 44, 45, 37, 38, 0, 39, 40, | |||
197 | 41, 0, 0, 0, 42, 43, 44, 45, 15, 15, | |||
198 | 0, 15, 15, 15, 0, 0, 0, 15, 15, 15, | |||
199 | 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
200 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
201 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
202 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |||
203 | 0, 0, 0, 0, 0, 2, 3, 0, 4, 0, | |||
204 | 40, 42, 0, 0, 0, 40, 5, 0, 0, 0, | |||
205 | 0, 6, 0, 0, 7, 0, 0, 8, 40, 42, | |||
206 | 44, | |||
207 | }; | |||
208 | const short yycheck[] = | |||
209 | { 10, | |||
210 | 10, 10, 10, 123, 125, 35, 125, 125, 125, 36, | |||
211 | 259, 260, 61, 262, 263, 264, 46, 10, 278, 268, | |||
212 | 269, 270, 271, 72, 259, 260, 123, 262, 263, 264, | |||
213 | 60, 273, 59, 268, 269, 270, 271, 276, 61, 10, | |||
214 | 70, 125, 10, 73, 74, 10, 259, 260, 78, 262, | |||
215 | 263, 264, 10, 10, 125, 268, 269, 270, 271, 10, | |||
216 | 261, 10, 278, 277, 279, 265, 278, 278, 274, 123, | |||
217 | 278, 266, 260, 278, 278, 10, 10, 25, -1, -1, | |||
218 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
219 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
220 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
221 | -1, -1, -1, -1, -1, 125, 125, 125, -1, -1, | |||
222 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
223 | -1, -1, -1, -1, -1, -1, -1, -1, 259, 260, | |||
224 | -1, 262, 263, 264, -1, -1, -1, 268, 269, 270, | |||
225 | 271, -1, -1, -1, -1, -1, -1, 278, 278, 278, | |||
226 | 278, 278, 259, 260, -1, 262, 263, 264, -1, -1, | |||
227 | -1, 268, 269, 270, 271, 259, 260, -1, 262, 263, | |||
228 | 264, -1, -1, -1, 268, 269, 270, 271, 259, 260, | |||
229 | -1, 262, 263, 264, -1, -1, -1, 268, 269, 270, | |||
230 | 271, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
231 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
232 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
233 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |||
234 | -1, -1, -1, -1, -1, 256, 257, -1, 259, -1, | |||
235 | 260, 260, -1, -1, -1, 265, 267, -1, -1, -1, | |||
236 | -1, 272, -1, -1, 275, -1, -1, 278, 278, 278, | |||
237 | 278, | |||
238 | }; | |||
239 | #define YYFINAL1 1 | |||
240 | #ifndef YYDEBUG0 | |||
241 | #define YYDEBUG0 0 | |||
242 | #endif | |||
243 | #define YYMAXTOKEN279 279 | |||
244 | #if YYDEBUG0 | |||
245 | const char * const yyname[] = | |||
246 | { | |||
247 | "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, | |||
248 | 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, | |||
249 | 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, | |||
250 | 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, | |||
251 | 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, | |||
252 | 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, | |||
253 | 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,"INCLUDE", | |||
254 | "ERROR","FORWARDER","DOT","PORT","ODOT_FORWARDER","ODOT_AUTOCONF","ODOT_DHCP", | |||
255 | "AUTHENTICATION","NAME","PREFERENCE","RECURSOR","AUTOCONF","DHCP","STUB", | |||
256 | "BLOCK","LIST","LOG","FORCE","ACCEPT","BOGUS","STRING","NUMBER", | |||
257 | }; | |||
258 | const char * const yyrule[] = | |||
259 | {"$accept : grammar", | |||
260 | "grammar :", | |||
261 | "grammar : grammar include '\\n'", | |||
262 | "grammar : grammar '\\n'", | |||
263 | "grammar : grammar varset '\\n'", | |||
264 | "grammar : grammar uw_pref '\\n'", | |||
265 | "grammar : grammar uw_forwarder '\\n'", | |||
266 | "grammar : grammar block_list '\\n'", | |||
267 | "grammar : grammar force '\\n'", | |||
268 | "grammar : grammar error '\\n'", | |||
269 | "include : INCLUDE STRING", | |||
270 | "string : string STRING", | |||
271 | "string : STRING", | |||
272 | "varset : STRING '=' string", | |||
273 | "optnl : '\\n' optnl", | |||
274 | "optnl :", | |||
275 | "block_list : BLOCK LIST STRING log", | |||
276 | "$$1 :", | |||
277 | "uw_pref : PREFERENCE $$1 pref_block", | |||
278 | "pref_block : '{' optnl prefopts_l '}'", | |||
279 | "pref_block : prefoptsl", | |||
280 | "prefopts_l : prefopts_l prefoptsl optnl", | |||
281 | "prefopts_l : prefoptsl optnl", | |||
282 | "prefoptsl : prefopt", | |||
283 | "prefopt : DOT", | |||
284 | "prefopt : FORWARDER", | |||
285 | "prefopt : ODOT_FORWARDER", | |||
286 | "prefopt : RECURSOR", | |||
287 | "prefopt : AUTOCONF", | |||
288 | "prefopt : DHCP", | |||
289 | "prefopt : ODOT_AUTOCONF", | |||
290 | "prefopt : ODOT_DHCP", | |||
291 | "prefopt : STUB", | |||
292 | "uw_forwarder : FORWARDER forwarder_block", | |||
293 | "forwarder_block : '{' optnl forwarderopts_l '}'", | |||
294 | "forwarder_block : forwarderoptsl", | |||
295 | "forwarderopts_l : forwarderopts_l forwarderoptsl optnl", | |||
296 | "forwarderopts_l : forwarderoptsl optnl", | |||
297 | "forwarderoptsl : STRING port authname dot", | |||
298 | "port : PORT NUMBER", | |||
299 | "port :", | |||
300 | "authname : AUTHENTICATION NAME STRING", | |||
301 | "authname :", | |||
302 | "dot : DOT", | |||
303 | "dot :", | |||
304 | "log : LOG", | |||
305 | "log :", | |||
306 | "force : FORCE acceptbogus prefopt '{' force_list optnl '}'", | |||
307 | "acceptbogus : ACCEPT BOGUS", | |||
308 | "acceptbogus :", | |||
309 | "force_list : force_list optnl STRING", | |||
310 | "force_list :", | |||
311 | }; | |||
312 | #endif | |||
313 | #ifdef YYSTACKSIZE10000 | |||
314 | #undef YYMAXDEPTH10000 | |||
315 | #define YYMAXDEPTH10000 YYSTACKSIZE10000 | |||
316 | #else | |||
317 | #ifdef YYMAXDEPTH10000 | |||
318 | #define YYSTACKSIZE10000 YYMAXDEPTH10000 | |||
319 | #else | |||
320 | #define YYSTACKSIZE10000 10000 | |||
321 | #define YYMAXDEPTH10000 10000 | |||
322 | #endif | |||
323 | #endif | |||
324 | #define YYINITSTACKSIZE200 200 | |||
325 | /* LINTUSED */ | |||
326 | int yydebug; | |||
327 | int yynerrs; | |||
328 | int yyerrflag; | |||
329 | int yychar; | |||
330 | short *yyssp; | |||
331 | YYSTYPE *yyvsp; | |||
332 | YYSTYPE yyval; | |||
333 | YYSTYPE yylval; | |||
334 | short *yyss; | |||
335 | short *yysslim; | |||
336 | YYSTYPE *yyvs; | |||
337 | unsigned int yystacksize; | |||
338 | int yyparse(void); | |||
339 | #line 385 "/usr/src/sbin/unwind/parse.y" | |||
340 | ||||
341 | struct keywords { | |||
342 | const char *k_name; | |||
343 | int k_val; | |||
344 | }; | |||
345 | ||||
346 | int | |||
347 | yyerror(const char *fmt, ...) | |||
348 | { | |||
349 | va_list ap; | |||
350 | char *msg; | |||
351 | ||||
352 | file->errors++; | |||
353 | va_start(ap, fmt)__builtin_va_start(ap, fmt); | |||
354 | if (vasprintf(&msg, fmt, ap) == -1) | |||
355 | fatalx("yyerror vasprintf"); | |||
356 | va_end(ap)__builtin_va_end(ap); | |||
357 | logit(LOG_CRIT2, "%s:%d: %s", file->name, yylval.lineno, msg); | |||
358 | free(msg); | |||
359 | return (0); | |||
360 | } | |||
361 | ||||
362 | int | |||
363 | kw_cmp(const void *k, const void *e) | |||
364 | { | |||
365 | return (strcmp(k, ((const struct keywords *)e)->k_name)); | |||
366 | } | |||
367 | ||||
368 | int | |||
369 | lookup(char *s) | |||
370 | { | |||
371 | /* This has to be sorted always. */ | |||
372 | static const struct keywords keywords[] = { | |||
373 | {"DoT", DOT260}, | |||
374 | {"accept", ACCEPT276}, | |||
375 | {"authentication", AUTHENTICATION265}, | |||
376 | {"autoconf", AUTOCONF269}, | |||
377 | {"block", BLOCK272}, | |||
378 | {"bogus", BOGUS277}, | |||
379 | {"dhcp", DHCP270}, | |||
380 | {"dot", DOT260}, | |||
381 | {"force", FORCE275}, | |||
382 | {"forwarder", FORWARDER259}, | |||
383 | {"include", INCLUDE257}, | |||
384 | {"list", LIST273}, | |||
385 | {"log", LOG274}, | |||
386 | {"name", NAME266}, | |||
387 | {"oDoT-autoconf", ODOT_AUTOCONF263}, | |||
388 | {"oDoT-dhcp", ODOT_DHCP264}, | |||
389 | {"oDoT-forwarder", ODOT_FORWARDER262}, | |||
390 | {"port", PORT261}, | |||
391 | {"preference", PREFERENCE267}, | |||
392 | {"recursor", RECURSOR268}, | |||
393 | {"stub", STUB271}, | |||
394 | {"tls", DOT260}, | |||
395 | }; | |||
396 | const struct keywords *p; | |||
397 | ||||
398 | p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]), | |||
399 | sizeof(keywords[0]), kw_cmp); | |||
400 | ||||
401 | if (p) | |||
402 | return (p->k_val); | |||
403 | else | |||
404 | return (STRING278); | |||
405 | } | |||
406 | ||||
407 | #define START_EXPAND1 1 | |||
408 | #define DONE_EXPAND2 2 | |||
409 | ||||
410 | static int expanding; | |||
411 | ||||
412 | int | |||
413 | igetc(void) | |||
414 | { | |||
415 | int c; | |||
416 | ||||
417 | while (1) { | |||
418 | if (file->ungetpos > 0) | |||
419 | c = file->ungetbuf[--file->ungetpos]; | |||
420 | else | |||
421 | c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream)); | |||
422 | ||||
423 | if (c == START_EXPAND1) | |||
424 | expanding = 1; | |||
425 | else if (c == DONE_EXPAND2) | |||
426 | expanding = 0; | |||
427 | else | |||
428 | break; | |||
429 | } | |||
430 | return (c); | |||
431 | } | |||
432 | ||||
433 | int | |||
434 | lgetc(int quotec) | |||
435 | { | |||
436 | int c, next; | |||
437 | ||||
438 | if (quotec) { | |||
439 | if ((c = igetc()) == EOF(-1)) { | |||
440 | yyerror("reached end of file while parsing " | |||
441 | "quoted string"); | |||
442 | if (file == topfile || popfile() == EOF(-1)) | |||
443 | return (EOF(-1)); | |||
444 | return (quotec); | |||
445 | } | |||
446 | return (c); | |||
447 | } | |||
448 | ||||
449 | while ((c = igetc()) == '\\') { | |||
450 | next = igetc(); | |||
451 | if (next != '\n') { | |||
452 | c = next; | |||
453 | break; | |||
454 | } | |||
455 | yylval.lineno = file->lineno; | |||
456 | file->lineno++; | |||
457 | } | |||
458 | ||||
459 | if (c == EOF(-1)) { | |||
460 | /* | |||
461 | * Fake EOL when hit EOF for the first time. This gets line | |||
462 | * count right if last line in included file is syntactically | |||
463 | * invalid and has no newline. | |||
464 | */ | |||
465 | if (file->eof_reached == 0) { | |||
466 | file->eof_reached = 1; | |||
467 | return ('\n'); | |||
468 | } | |||
469 | while (c == EOF(-1)) { | |||
470 | if (file == topfile || popfile() == EOF(-1)) | |||
471 | return (EOF(-1)); | |||
472 | c = igetc(); | |||
473 | } | |||
474 | } | |||
475 | return (c); | |||
476 | } | |||
477 | ||||
478 | void | |||
479 | lungetc(int c) | |||
480 | { | |||
481 | if (c == EOF(-1)) | |||
482 | return; | |||
483 | ||||
484 | if (file->ungetpos >= file->ungetsize) { | |||
485 | void *p = reallocarray(file->ungetbuf, file->ungetsize, 2); | |||
486 | if (p == NULL((void *)0)) | |||
487 | err(1, "lungetc"); | |||
488 | file->ungetbuf = p; | |||
489 | file->ungetsize *= 2; | |||
490 | } | |||
491 | file->ungetbuf[file->ungetpos++] = c; | |||
492 | } | |||
493 | ||||
494 | int | |||
495 | findeol(void) | |||
496 | { | |||
497 | int c; | |||
498 | ||||
499 | /* Skip to either EOF or the first real EOL. */ | |||
500 | while (1) { | |||
501 | c = lgetc(0); | |||
502 | if (c == '\n') { | |||
503 | file->lineno++; | |||
504 | break; | |||
505 | } | |||
506 | if (c == EOF(-1)) | |||
507 | break; | |||
508 | } | |||
509 | return (ERROR258); | |||
510 | } | |||
511 | ||||
512 | int | |||
513 | yylex(void) | |||
514 | { | |||
515 | char buf[8096]; | |||
516 | char *p, *val; | |||
517 | int quotec, next, c; | |||
518 | int token; | |||
519 | ||||
520 | top: | |||
521 | p = buf; | |||
522 | while ((c = lgetc(0)) == ' ' || c == '\t') | |||
523 | ; /* nothing */ | |||
524 | ||||
525 | yylval.lineno = file->lineno; | |||
526 | if (c == '#') | |||
527 | while ((c = lgetc(0)) != '\n' && c != EOF(-1)) | |||
528 | ; /* nothing */ | |||
529 | if (c == '$' && !expanding) { | |||
530 | while (1) { | |||
531 | if ((c = lgetc(0)) == EOF(-1)) | |||
532 | return (0); | |||
533 | ||||
534 | if (p + 1 >= buf + sizeof(buf) - 1) { | |||
535 | yyerror("string too long"); | |||
536 | return (findeol()); | |||
537 | } | |||
538 | if (isalnum(c) || c == '_') { | |||
539 | *p++ = c; | |||
540 | continue; | |||
541 | } | |||
542 | *p = '\0'; | |||
543 | lungetc(c); | |||
544 | break; | |||
545 | } | |||
546 | val = symget(buf); | |||
547 | if (val == NULL((void *)0)) { | |||
548 | yyerror("macro '%s' not defined", buf); | |||
549 | return (findeol()); | |||
550 | } | |||
551 | p = val + strlen(val) - 1; | |||
552 | lungetc(DONE_EXPAND2); | |||
553 | while (p >= val) { | |||
554 | lungetc((unsigned char)*p); | |||
555 | p--; | |||
556 | } | |||
557 | lungetc(START_EXPAND1); | |||
558 | goto top; | |||
559 | } | |||
560 | ||||
561 | switch (c) { | |||
562 | case '\'': | |||
563 | case '"': | |||
564 | quotec = c; | |||
565 | while (1) { | |||
566 | if ((c = lgetc(quotec)) == EOF(-1)) | |||
567 | return (0); | |||
568 | if (c == '\n') { | |||
569 | file->lineno++; | |||
570 | continue; | |||
571 | } else if (c == '\\') { | |||
572 | if ((next = lgetc(quotec)) == EOF(-1)) | |||
573 | return (0); | |||
574 | if (next == quotec || next == ' ' || | |||
575 | next == '\t') | |||
576 | c = next; | |||
577 | else if (next == '\n') { | |||
578 | file->lineno++; | |||
579 | continue; | |||
580 | } else | |||
581 | lungetc(next); | |||
582 | } else if (c == quotec) { | |||
583 | *p = '\0'; | |||
584 | break; | |||
585 | } else if (c == '\0') { | |||
586 | yyerror("syntax error"); | |||
587 | return (findeol()); | |||
588 | } | |||
589 | if (p + 1 >= buf + sizeof(buf) - 1) { | |||
590 | yyerror("string too long"); | |||
591 | return (findeol()); | |||
592 | } | |||
593 | *p++ = c; | |||
594 | } | |||
595 | yylval.v.string = strdup(buf); | |||
596 | if (yylval.v.string == NULL((void *)0)) | |||
597 | err(1, "yylex: strdup"); | |||
598 | return (STRING278); | |||
599 | } | |||
600 | ||||
601 | #define allowed_to_end_number(x)(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') \ | |||
602 | (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') | |||
603 | ||||
604 | if (c == '-' || isdigit(c)) { | |||
605 | do { | |||
606 | *p++ = c; | |||
607 | if ((size_t)(p-buf) >= sizeof(buf)) { | |||
608 | yyerror("string too long"); | |||
609 | return (findeol()); | |||
610 | } | |||
611 | } while ((c = lgetc(0)) != EOF(-1) && isdigit(c)); | |||
612 | lungetc(c); | |||
613 | if (p == buf + 1 && buf[0] == '-') | |||
614 | goto nodigits; | |||
615 | if (c == EOF(-1) || allowed_to_end_number(c)(isspace(c) || c == ')' || c ==',' || c == '/' || c == '}' || c == '=')) { | |||
616 | const char *errstr = NULL((void *)0); | |||
617 | ||||
618 | *p = '\0'; | |||
619 | yylval.v.number = strtonum(buf, LLONG_MIN(-9223372036854775807LL -1LL), | |||
620 | LLONG_MAX9223372036854775807LL, &errstr); | |||
621 | if (errstr) { | |||
622 | yyerror("\"%s\" invalid number: %s", | |||
623 | buf, errstr); | |||
624 | return (findeol()); | |||
625 | } | |||
626 | return (NUMBER279); | |||
627 | } else { | |||
628 | nodigits: | |||
629 | while (p > buf + 1) | |||
630 | lungetc((unsigned char)*--p); | |||
631 | c = (unsigned char)*--p; | |||
632 | if (c == '-') | |||
633 | return (c); | |||
634 | } | |||
635 | } | |||
636 | ||||
637 | #define allowed_in_string(x)(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && x != '{' && x != '}' && x != '!' && x != '=' && x != '#' && x != ',') ) \ | |||
638 | (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \ | |||
639 | x != '{' && x != '}' && \ | |||
640 | x != '!' && x != '=' && x != '#' && \ | |||
641 | x != ',')) | |||
642 | ||||
643 | if (isalnum(c) || c == ':' || c == '_') { | |||
644 | do { | |||
645 | *p++ = c; | |||
646 | if ((size_t)(p-buf) >= sizeof(buf)) { | |||
647 | yyerror("string too long"); | |||
648 | return (findeol()); | |||
649 | } | |||
650 | } while ((c = lgetc(0)) != EOF(-1) && (allowed_in_string(c)(isalnum(c) || (ispunct(c) && c != '(' && c != ')' && c != '{' && c != '}' && c != '!' && c != '=' && c != '#' && c != ',') ))); | |||
651 | lungetc(c); | |||
652 | *p = '\0'; | |||
653 | if ((token = lookup(buf)) == STRING278) | |||
654 | if ((yylval.v.string = strdup(buf)) == NULL((void *)0)) | |||
655 | err(1, "yylex: strdup"); | |||
656 | return (token); | |||
657 | } | |||
658 | if (c == '\n') { | |||
659 | yylval.lineno = file->lineno; | |||
660 | file->lineno++; | |||
661 | } | |||
662 | if (c == EOF(-1)) | |||
663 | return (0); | |||
664 | return (c); | |||
665 | } | |||
666 | ||||
667 | int | |||
668 | check_file_secrecy(int fd, const char *fname) | |||
669 | { | |||
670 | struct stat st; | |||
671 | ||||
672 | if (fstat(fd, &st)) { | |||
673 | log_warn("cannot stat %s", fname)uw_log_warn("cannot stat %s", fname); | |||
674 | return (-1); | |||
675 | } | |||
676 | if (st.st_uid != 0 && st.st_uid != getuid()) { | |||
677 | log_warnx("%s: owner not root or current user", fname); | |||
678 | return (-1); | |||
679 | } | |||
680 | if (st.st_mode & (S_IWGRP0000020 | S_IXGRP0000010 | S_IRWXO0000007)) { | |||
681 | log_warnx("%s: group writable or world read/writable", fname); | |||
682 | return (-1); | |||
683 | } | |||
684 | return (0); | |||
685 | } | |||
686 | ||||
687 | struct file * | |||
688 | pushfile(const char *name, int secret) | |||
689 | { | |||
690 | struct file *nfile; | |||
691 | ||||
692 | if ((nfile = calloc(1, sizeof(struct file))) == NULL((void *)0)) { | |||
693 | log_warn("calloc")uw_log_warn("calloc"); | |||
694 | return (NULL((void *)0)); | |||
695 | } | |||
696 | if ((nfile->name = strdup(name)) == NULL((void *)0)) { | |||
697 | log_warn("strdup")uw_log_warn("strdup"); | |||
698 | free(nfile); | |||
699 | return (NULL((void *)0)); | |||
700 | } | |||
701 | if ((nfile->stream = fopen(nfile->name, "r")) == NULL((void *)0)) { | |||
702 | free(nfile->name); | |||
703 | free(nfile); | |||
704 | return (NULL((void *)0)); | |||
705 | } else if (secret && | |||
706 | check_file_secrecy(fileno(nfile->stream)(!__isthreaded ? ((nfile->stream)->_file) : (fileno)(nfile ->stream)), nfile->name)) { | |||
707 | fclose(nfile->stream); | |||
708 | free(nfile->name); | |||
709 | free(nfile); | |||
710 | return (NULL((void *)0)); | |||
711 | } | |||
712 | nfile->lineno = TAILQ_EMPTY(&files)(((&files)->tqh_first) == ((void *)0)) ? 1 : 0; | |||
713 | nfile->ungetsize = 16; | |||
714 | nfile->ungetbuf = malloc(nfile->ungetsize); | |||
715 | if (nfile->ungetbuf == NULL((void *)0)) { | |||
716 | log_warn("malloc")uw_log_warn("malloc"); | |||
717 | fclose(nfile->stream); | |||
718 | free(nfile->name); | |||
719 | free(nfile); | |||
720 | return (NULL((void *)0)); | |||
721 | } | |||
722 | 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); | |||
723 | return (nfile); | |||
724 | } | |||
725 | ||||
726 | int | |||
727 | popfile(void) | |||
728 | { | |||
729 | struct file *prev; | |||
730 | ||||
731 | if ((prev = TAILQ_PREV(file, files, entry)(*(((struct files *)((file)->entry.tqe_prev))->tqh_last ))) != NULL((void *)0)) | |||
732 | prev->errors += file->errors; | |||
733 | ||||
734 | 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); | |||
735 | fclose(file->stream); | |||
736 | free(file->name); | |||
737 | free(file->ungetbuf); | |||
738 | free(file); | |||
739 | file = prev; | |||
740 | return (file ? 0 : EOF(-1)); | |||
741 | } | |||
742 | ||||
743 | struct uw_conf * | |||
744 | parse_config(char *filename) | |||
745 | { | |||
746 | static enum uw_resolver_type default_res_pref[] = { | |||
747 | UW_RES_DOT, | |||
748 | UW_RES_ODOT_FORWARDER, | |||
749 | UW_RES_FORWARDER, | |||
750 | UW_RES_RECURSOR, | |||
751 | UW_RES_ODOT_AUTOCONF, | |||
752 | UW_RES_AUTOCONF, | |||
753 | UW_RES_ASR}; | |||
754 | struct sym *sym, *next; | |||
755 | int i; | |||
756 | ||||
757 | conf = config_new_empty(); | |||
758 | ||||
759 | memcpy(&conf->res_pref.types, &default_res_pref, | |||
760 | sizeof(default_res_pref)); | |||
761 | conf->res_pref.len = nitems(default_res_pref)(sizeof((default_res_pref)) / sizeof((default_res_pref)[0])); | |||
762 | for (i = 0; i < conf->res_pref.len; i++) | |||
763 | conf->enabled_resolvers[conf->res_pref.types[i]] = 1; | |||
764 | ||||
765 | file = pushfile(filename != NULL((void *)0) ? filename : _PATH_CONF_FILE"/etc/unwind.conf", 0); | |||
766 | if (file == NULL((void *)0)) { | |||
767 | /* no default config file is fine */ | |||
768 | if (errno(*__errno()) == ENOENT2 && filename == NULL((void *)0)) | |||
769 | return (conf); | |||
770 | log_warn("%s", filename)uw_log_warn("%s", filename); | |||
771 | free(conf); | |||
772 | return (NULL((void *)0)); | |||
773 | } | |||
774 | topfile = file; | |||
775 | ||||
776 | yyparse(); | |||
777 | errors = file->errors; | |||
778 | popfile(); | |||
779 | ||||
780 | /* Free macros and check which have not been used. */ | |||
781 | TAILQ_FOREACH_SAFE(sym, &symhead, entry, next)for ((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0) && ((next) = ((sym)->entry.tqe_next), 1); (sym ) = (next)) { | |||
782 | if ((cmd_opts & OPT_VERBOSE20x00000002) && !sym->used) | |||
783 | fprintf(stderr(&__sF[2]), "warning: macro '%s' not used\n", | |||
784 | sym->nam); | |||
785 | if (!sym->persist) { | |||
786 | free(sym->nam); | |||
787 | free(sym->val); | |||
788 | 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); | |||
789 | free(sym); | |||
790 | } | |||
791 | } | |||
792 | ||||
793 | if (errors) { | |||
794 | clear_config(conf); | |||
795 | return (NULL((void *)0)); | |||
796 | } | |||
797 | ||||
798 | return (conf); | |||
799 | } | |||
800 | ||||
801 | int | |||
802 | symset(const char *nam, const char *val, int persist) | |||
803 | { | |||
804 | struct sym *sym; | |||
805 | ||||
806 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { | |||
807 | if (strcmp(nam, sym->nam) == 0) | |||
808 | break; | |||
809 | } | |||
810 | ||||
811 | if (sym != NULL((void *)0)) { | |||
812 | if (sym->persist == 1) | |||
813 | return (0); | |||
814 | else { | |||
815 | free(sym->nam); | |||
816 | free(sym->val); | |||
817 | 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); | |||
818 | free(sym); | |||
819 | } | |||
820 | } | |||
821 | if ((sym = calloc(1, sizeof(*sym))) == NULL((void *)0)) | |||
822 | return (-1); | |||
823 | ||||
824 | sym->nam = strdup(nam); | |||
825 | if (sym->nam == NULL((void *)0)) { | |||
826 | free(sym); | |||
827 | return (-1); | |||
828 | } | |||
829 | sym->val = strdup(val); | |||
830 | if (sym->val == NULL((void *)0)) { | |||
831 | free(sym->nam); | |||
832 | free(sym); | |||
833 | return (-1); | |||
834 | } | |||
835 | sym->used = 0; | |||
836 | sym->persist = persist; | |||
837 | 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); | |||
838 | return (0); | |||
839 | } | |||
840 | ||||
841 | int | |||
842 | cmdline_symset(char *s) | |||
843 | { | |||
844 | char *sym, *val; | |||
845 | int ret; | |||
846 | ||||
847 | if ((val = strrchr(s, '=')) == NULL((void *)0)) | |||
848 | return (-1); | |||
849 | sym = strndup(s, val - s); | |||
850 | if (sym == NULL((void *)0)) | |||
851 | errx(1, "%s: strndup", __func__); | |||
852 | ret = symset(sym, val + 1, 1); | |||
853 | free(sym); | |||
854 | ||||
855 | return (ret); | |||
856 | } | |||
857 | ||||
858 | char * | |||
859 | symget(const char *nam) | |||
860 | { | |||
861 | struct sym *sym; | |||
862 | ||||
863 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { | |||
864 | if (strcmp(nam, sym->nam) == 0) { | |||
865 | sym->used = 1; | |||
866 | return (sym->val); | |||
867 | } | |||
868 | } | |||
869 | return (NULL((void *)0)); | |||
870 | } | |||
871 | ||||
872 | void | |||
873 | clear_config(struct uw_conf *xconf) | |||
874 | { | |||
875 | struct uw_forwarder *uw_forwarder; | |||
876 | ||||
877 | while ((uw_forwarder = TAILQ_FIRST(&xconf->uw_forwarder_list)((&xconf->uw_forwarder_list)->tqh_first)) != | |||
878 | NULL((void *)0)) { | |||
879 | TAILQ_REMOVE(&xconf->uw_forwarder_list, uw_forwarder, entry)do { if (((uw_forwarder)->entry.tqe_next) != ((void *)0)) ( uw_forwarder)->entry.tqe_next->entry.tqe_prev = (uw_forwarder )->entry.tqe_prev; else (&xconf->uw_forwarder_list) ->tqh_last = (uw_forwarder)->entry.tqe_prev; *(uw_forwarder )->entry.tqe_prev = (uw_forwarder)->entry.tqe_next; ; ; } while (0); | |||
880 | free(uw_forwarder); | |||
881 | } | |||
882 | while ((uw_forwarder = TAILQ_FIRST(&xconf->uw_dot_forwarder_list)((&xconf->uw_dot_forwarder_list)->tqh_first)) != | |||
883 | NULL((void *)0)) { | |||
884 | TAILQ_REMOVE(&xconf->uw_dot_forwarder_list, uw_forwarder,do { if (((uw_forwarder)->entry.tqe_next) != ((void *)0)) ( uw_forwarder)->entry.tqe_next->entry.tqe_prev = (uw_forwarder )->entry.tqe_prev; else (&xconf->uw_dot_forwarder_list )->tqh_last = (uw_forwarder)->entry.tqe_prev; *(uw_forwarder )->entry.tqe_prev = (uw_forwarder)->entry.tqe_next; ; ; } while (0) | |||
885 | entry)do { if (((uw_forwarder)->entry.tqe_next) != ((void *)0)) ( uw_forwarder)->entry.tqe_next->entry.tqe_prev = (uw_forwarder )->entry.tqe_prev; else (&xconf->uw_dot_forwarder_list )->tqh_last = (uw_forwarder)->entry.tqe_prev; *(uw_forwarder )->entry.tqe_prev = (uw_forwarder)->entry.tqe_next; ; ; } while (0); | |||
886 | free(uw_forwarder); | |||
887 | } | |||
888 | ||||
889 | free(xconf); | |||
890 | } | |||
891 | ||||
892 | struct sockaddr_storage * | |||
893 | host_ip(const char *s) | |||
894 | { | |||
895 | struct addrinfo hints, *res; | |||
896 | struct sockaddr_storage *ss = NULL((void *)0); | |||
897 | ||||
898 | memset(&hints, 0, sizeof(hints)); | |||
899 | hints.ai_family = AF_UNSPEC0; | |||
900 | hints.ai_socktype = SOCK_DGRAM2; /*dummy*/ | |||
901 | hints.ai_flags = AI_NUMERICHOST4; | |||
902 | if (getaddrinfo(s, "0", &hints, &res) == 0) { | |||
903 | if (res->ai_family == AF_INET2 || | |||
904 | res->ai_family == AF_INET624) { | |||
905 | if ((ss = calloc(1, sizeof(*ss))) == NULL((void *)0)) | |||
906 | fatal(NULL((void *)0)); | |||
907 | memcpy(ss, res->ai_addr, res->ai_addrlen); | |||
908 | } | |||
909 | freeaddrinfo(res); | |||
910 | } | |||
911 | ||||
912 | return (ss); | |||
913 | } | |||
914 | ||||
915 | int | |||
916 | check_pref_uniq(enum uw_resolver_type type) | |||
917 | { | |||
918 | int i; | |||
919 | ||||
920 | for (i = 0; i < conf->res_pref.len; i++) | |||
921 | if (conf->res_pref.types[i] == type) { | |||
922 | yyerror("%s is already in the preference list", | |||
923 | uw_resolver_type_str[type]); | |||
924 | return (0); | |||
925 | } | |||
926 | ||||
927 | return (1); | |||
928 | } | |||
929 | #line 922 "parse.c" | |||
930 | /* allocate initial stack or double stack size, up to YYMAXDEPTH */ | |||
931 | static int yygrowstack(void) | |||
932 | { | |||
933 | unsigned int newsize; | |||
934 | long sslen; | |||
935 | short *newss; | |||
936 | YYSTYPE *newvs; | |||
937 | ||||
938 | if ((newsize = yystacksize) == 0) | |||
939 | newsize = YYINITSTACKSIZE200; | |||
940 | else if (newsize >= YYMAXDEPTH10000) | |||
941 | return -1; | |||
942 | else if ((newsize *= 2) > YYMAXDEPTH10000) | |||
943 | newsize = YYMAXDEPTH10000; | |||
944 | sslen = yyssp - yyss; | |||
945 | #ifdef SIZE_MAX0xffffffffffffffffUL | |||
946 | #define YY_SIZE_MAX0xffffffffffffffffUL SIZE_MAX0xffffffffffffffffUL | |||
947 | #else | |||
948 | #define YY_SIZE_MAX0xffffffffffffffffUL 0xffffffffU | |||
949 | #endif | |||
950 | if (newsize && YY_SIZE_MAX0xffffffffffffffffUL / newsize < sizeof *newss) | |||
951 | goto bail; | |||
952 | newss = (short *)realloc(yyss, newsize * sizeof *newss); | |||
953 | if (newss == NULL((void *)0)) | |||
954 | goto bail; | |||
955 | yyss = newss; | |||
956 | yyssp = newss + sslen; | |||
957 | if (newsize
| |||
958 | goto bail; | |||
959 | newvs = (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs); | |||
960 | if (newvs == NULL((void *)0)) | |||
961 | goto bail; | |||
962 | yyvs = newvs; | |||
963 | yyvsp = newvs + sslen; | |||
964 | yystacksize = newsize; | |||
965 | yysslim = yyss + newsize - 1; | |||
966 | return 0; | |||
967 | bail: | |||
968 | if (yyss) | |||
969 | free(yyss); | |||
970 | if (yyvs) | |||
971 | free(yyvs); | |||
972 | yyss = yyssp = NULL((void *)0); | |||
973 | yyvs = yyvsp = NULL((void *)0); | |||
974 | yystacksize = 0; | |||
975 | return -1; | |||
976 | } | |||
977 | ||||
978 | #define YYABORTgoto yyabort goto yyabort | |||
979 | #define YYREJECTgoto yyabort goto yyabort | |||
980 | #define YYACCEPTgoto yyaccept goto yyaccept | |||
981 | #define YYERRORgoto yyerrlab goto yyerrlab | |||
982 | int | |||
983 | yyparse(void) | |||
984 | { | |||
985 | int yym, yyn, yystate; | |||
986 | #if YYDEBUG0 | |||
987 | const char *yys; | |||
988 | ||||
989 | if ((yys = getenv("YYDEBUG"))) | |||
990 | { | |||
991 | yyn = *yys; | |||
992 | if (yyn >= '0' && yyn <= '9') | |||
993 | yydebug = yyn - '0'; | |||
994 | } | |||
995 | #endif /* YYDEBUG */ | |||
996 | ||||
997 | yynerrs = 0; | |||
998 | yyerrflag = 0; | |||
999 | yychar = (-1); | |||
1000 | ||||
1001 | if (yyss == NULL((void *)0) && yygrowstack()) goto yyoverflow; | |||
| ||||
1002 | yyssp = yyss; | |||
1003 | yyvsp = yyvs; | |||
1004 | *yyssp = yystate = 0; | |||
| ||||
1005 | ||||
1006 | yyloop: | |||
1007 | if ((yyn = yydefred[yystate]) != 0) goto yyreduce; | |||
1008 | if (yychar < 0) | |||
1009 | { | |||
1010 | if ((yychar = yylex()) < 0) yychar = 0; | |||
1011 | #if YYDEBUG0 | |||
1012 | if (yydebug) | |||
1013 | { | |||
1014 | yys = 0; | |||
1015 | if (yychar <= YYMAXTOKEN279) yys = yyname[yychar]; | |||
1016 | if (!yys) yys = "illegal-symbol"; | |||
1017 | printf("%sdebug: state %d, reading %d (%s)\n", | |||
1018 | YYPREFIX"yy", yystate, yychar, yys); | |||
1019 | } | |||
1020 | #endif | |||
1021 | } | |||
1022 | if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && | |||
1023 | yyn <= YYTABLESIZE271 && yycheck[yyn] == yychar) | |||
1024 | { | |||
1025 | #if YYDEBUG0 | |||
1026 | if (yydebug) | |||
1027 | printf("%sdebug: state %d, shifting to state %d\n", | |||
1028 | YYPREFIX"yy", yystate, yytable[yyn]); | |||
1029 | #endif | |||
1030 | if (yyssp >= yysslim && yygrowstack()) | |||
1031 | { | |||
1032 | goto yyoverflow; | |||
1033 | } | |||
1034 | *++yyssp = yystate = yytable[yyn]; | |||
1035 | *++yyvsp = yylval; | |||
1036 | yychar = (-1); | |||
1037 | if (yyerrflag > 0) --yyerrflag; | |||
1038 | goto yyloop; | |||
1039 | } | |||
1040 | if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && | |||
1041 | yyn <= YYTABLESIZE271 && yycheck[yyn] == yychar) | |||
1042 | { | |||
1043 | yyn = yytable[yyn]; | |||
1044 | goto yyreduce; | |||
1045 | } | |||
1046 | if (yyerrflag) goto yyinrecovery; | |||
1047 | #if defined(__GNUC__4) | |||
1048 | goto yynewerror; | |||
1049 | #endif | |||
1050 | yynewerror: | |||
1051 | yyerror("syntax error"); | |||
1052 | #if defined(__GNUC__4) | |||
1053 | goto yyerrlab; | |||
1054 | #endif | |||
1055 | yyerrlab: | |||
1056 | ++yynerrs; | |||
1057 | yyinrecovery: | |||
1058 | if (yyerrflag < 3) | |||
1059 | { | |||
1060 | yyerrflag = 3; | |||
1061 | for (;;) | |||
1062 | { | |||
1063 | if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE256) >= 0 && | |||
1064 | yyn <= YYTABLESIZE271 && yycheck[yyn] == YYERRCODE256) | |||
1065 | { | |||
1066 | #if YYDEBUG0 | |||
1067 | if (yydebug) | |||
1068 | printf("%sdebug: state %d, error recovery shifting\ | |||
1069 | to state %d\n", YYPREFIX"yy", *yyssp, yytable[yyn]); | |||
1070 | #endif | |||
1071 | if (yyssp >= yysslim && yygrowstack()) | |||
1072 | { | |||
1073 | goto yyoverflow; | |||
1074 | } | |||
1075 | *++yyssp = yystate = yytable[yyn]; | |||
1076 | *++yyvsp = yylval; | |||
1077 | goto yyloop; | |||
1078 | } | |||
1079 | else | |||
1080 | { | |||
1081 | #if YYDEBUG0 | |||
1082 | if (yydebug) | |||
1083 | printf("%sdebug: error recovery discarding state %d\n", | |||
1084 | YYPREFIX"yy", *yyssp); | |||
1085 | #endif | |||
1086 | if (yyssp <= yyss) goto yyabort; | |||
1087 | --yyssp; | |||
1088 | --yyvsp; | |||
1089 | } | |||
1090 | } | |||
1091 | } | |||
1092 | else | |||
1093 | { | |||
1094 | if (yychar == 0) goto yyabort; | |||
1095 | #if YYDEBUG0 | |||
1096 | if (yydebug) | |||
1097 | { | |||
1098 | yys = 0; | |||
1099 | if (yychar <= YYMAXTOKEN279) yys = yyname[yychar]; | |||
1100 | if (!yys) yys = "illegal-symbol"; | |||
1101 | printf("%sdebug: state %d, error recovery discards token %d (%s)\n", | |||
1102 | YYPREFIX"yy", yystate, yychar, yys); | |||
1103 | } | |||
1104 | #endif | |||
1105 | yychar = (-1); | |||
1106 | goto yyloop; | |||
1107 | } | |||
1108 | yyreduce: | |||
1109 | #if YYDEBUG0 | |||
1110 | if (yydebug) | |||
1111 | printf("%sdebug: state %d, reducing by rule %d (%s)\n", | |||
1112 | YYPREFIX"yy", yystate, yyn, yyrule[yyn]); | |||
1113 | #endif | |||
1114 | yym = yylen[yyn]; | |||
1115 | if (yym) | |||
1116 | yyval = yyvsp[1-yym]; | |||
1117 | else | |||
1118 | memset(&yyval, 0, sizeof yyval); | |||
1119 | switch (yyn) | |||
1120 | { | |||
1121 | case 9: | |||
1122 | #line 123 "/usr/src/sbin/unwind/parse.y" | |||
1123 | { file->errors++; } | |||
1124 | break; | |||
1125 | case 10: | |||
1126 | #line 126 "/usr/src/sbin/unwind/parse.y" | |||
1127 | { | |||
1128 | struct file *nfile; | |||
1129 | ||||
1130 | if ((nfile = pushfile(yyvsp[0].v.string, 0)) == NULL((void *)0)) { | |||
1131 | yyerror("failed to include file %s", yyvsp[0].v.string); | |||
1132 | free(yyvsp[0].v.string); | |||
1133 | YYERRORgoto yyerrlab; | |||
1134 | } | |||
1135 | free(yyvsp[0].v.string); | |||
1136 | ||||
1137 | file = nfile; | |||
1138 | lungetc('\n'); | |||
1139 | } | |||
1140 | break; | |||
1141 | case 11: | |||
1142 | #line 141 "/usr/src/sbin/unwind/parse.y" | |||
1143 | { | |||
1144 | if (asprintf(&yyval.v.string, "%s %s", yyvsp[-1].v.string, yyvsp[0].v.string) == -1) { | |||
1145 | free(yyvsp[-1].v.string); | |||
1146 | free(yyvsp[0].v.string); | |||
1147 | yyerror("string: asprintf"); | |||
1148 | YYERRORgoto yyerrlab; | |||
1149 | } | |||
1150 | free(yyvsp[-1].v.string); | |||
1151 | free(yyvsp[0].v.string); | |||
1152 | } | |||
1153 | break; | |||
1154 | case 13: | |||
1155 | #line 154 "/usr/src/sbin/unwind/parse.y" | |||
1156 | { | |||
1157 | char *s = yyvsp[-2].v.string; | |||
1158 | if (cmd_opts & OPT_VERBOSE0x00000001) | |||
1159 | printf("%s = \"%s\"\n", yyvsp[-2].v.string, yyvsp[0].v.string); | |||
1160 | while (*s++) { | |||
1161 | if (isspace((unsigned char)*s)) { | |||
1162 | yyerror("macro name cannot contain " | |||
1163 | "whitespace"); | |||
1164 | free(yyvsp[-2].v.string); | |||
1165 | free(yyvsp[0].v.string); | |||
1166 | YYERRORgoto yyerrlab; | |||
1167 | } | |||
1168 | } | |||
1169 | if (symset(yyvsp[-2].v.string, yyvsp[0].v.string, 0) == -1) | |||
1170 | fatal("cannot store variable"); | |||
1171 | free(yyvsp[-2].v.string); | |||
1172 | free(yyvsp[0].v.string); | |||
1173 | } | |||
1174 | break; | |||
1175 | case 16: | |||
1176 | #line 179 "/usr/src/sbin/unwind/parse.y" | |||
1177 | { | |||
1178 | if (conf->blocklist_file != NULL((void *)0)) { | |||
1179 | yyerror("block list already " | |||
1180 | "configured"); | |||
1181 | free(yyvsp[-1].v.string); | |||
1182 | YYERRORgoto yyerrlab; | |||
1183 | } else { | |||
1184 | conf->blocklist_file = strdup(yyvsp[-1].v.string); | |||
1185 | if (conf->blocklist_file == NULL((void *)0)) | |||
1186 | err(1, "strdup"); | |||
1187 | free(yyvsp[-1].v.string); | |||
1188 | conf->blocklist_log = yyvsp[0].v.number; | |||
1189 | } | |||
1190 | } | |||
1191 | break; | |||
1192 | case 17: | |||
1193 | #line 195 "/usr/src/sbin/unwind/parse.y" | |||
1194 | { | |||
1195 | conf->res_pref.len = 0; | |||
1196 | memset(conf->enabled_resolvers, 0, | |||
1197 | sizeof(conf->enabled_resolvers)); | |||
1198 | } | |||
1199 | break; | |||
1200 | case 23: | |||
1201 | #line 210 "/usr/src/sbin/unwind/parse.y" | |||
1202 | { | |||
1203 | if (!check_pref_uniq(yyvsp[0].v.number)) | |||
1204 | YYERRORgoto yyerrlab; | |||
1205 | if (conf->res_pref.len >= UW_RES_NONE) { | |||
1206 | yyerror("preference list too long"); | |||
1207 | YYERRORgoto yyerrlab; | |||
1208 | } | |||
1209 | conf->res_pref.types[conf->res_pref.len++] = yyvsp[0].v.number; | |||
1210 | conf->enabled_resolvers[yyvsp[0].v.number] = 1; | |||
1211 | } | |||
1212 | break; | |||
1213 | case 24: | |||
1214 | #line 222 "/usr/src/sbin/unwind/parse.y" | |||
1215 | { yyval.v.number = UW_RES_DOT; } | |||
1216 | break; | |||
1217 | case 25: | |||
1218 | #line 223 "/usr/src/sbin/unwind/parse.y" | |||
1219 | { yyval.v.number = UW_RES_FORWARDER; } | |||
1220 | break; | |||
1221 | case 26: | |||
1222 | #line 224 "/usr/src/sbin/unwind/parse.y" | |||
1223 | { yyval.v.number = UW_RES_ODOT_FORWARDER; } | |||
1224 | break; | |||
1225 | case 27: | |||
1226 | #line 225 "/usr/src/sbin/unwind/parse.y" | |||
1227 | { yyval.v.number = UW_RES_RECURSOR; } | |||
1228 | break; | |||
1229 | case 28: | |||
1230 | #line 226 "/usr/src/sbin/unwind/parse.y" | |||
1231 | { yyval.v.number = UW_RES_AUTOCONF; } | |||
1232 | break; | |||
1233 | case 29: | |||
1234 | #line 227 "/usr/src/sbin/unwind/parse.y" | |||
1235 | { yyval.v.number = UW_RES_AUTOCONF; } | |||
1236 | break; | |||
1237 | case 30: | |||
1238 | #line 228 "/usr/src/sbin/unwind/parse.y" | |||
1239 | { yyval.v.number = UW_RES_ODOT_AUTOCONF; } | |||
1240 | break; | |||
1241 | case 31: | |||
1242 | #line 229 "/usr/src/sbin/unwind/parse.y" | |||
1243 | { yyval.v.number = UW_RES_ODOT_AUTOCONF; } | |||
1244 | break; | |||
1245 | case 32: | |||
1246 | #line 230 "/usr/src/sbin/unwind/parse.y" | |||
1247 | { yyval.v.number = UW_RES_ASR; } | |||
1248 | break; | |||
1249 | case 38: | |||
1250 | #line 244 "/usr/src/sbin/unwind/parse.y" | |||
1251 | { | |||
1252 | struct uw_forwarder *uw_fwd; | |||
1253 | struct sockaddr_storage *ss; | |||
1254 | ||||
1255 | if ((ss = host_ip(yyvsp[-3].v.string)) == NULL((void *)0)) { | |||
1256 | yyerror("%s is not an ip-address", yyvsp[-3].v.string); | |||
1257 | free(yyvsp[-3].v.string); | |||
1258 | YYERRORgoto yyerrlab; | |||
1259 | } | |||
1260 | free(ss); | |||
1261 | ||||
1262 | if ((uw_fwd = calloc(1, sizeof(*uw_fwd))) == | |||
1263 | NULL((void *)0)) | |||
1264 | err(1, NULL((void *)0)); | |||
1265 | ||||
1266 | if (yyvsp[-2].v.number < 0 || yyvsp[-2].v.number > (int)USHRT_MAX(32767 *2 +1)) { | |||
1267 | yyerror("invalid port: %lld", yyvsp[-2].v.number); | |||
1268 | free(yyvsp[-3].v.string); | |||
1269 | free(uw_fwd); | |||
1270 | YYERRORgoto yyerrlab; | |||
1271 | } | |||
1272 | if (yyvsp[-2].v.number == 0) | |||
1273 | uw_fwd->port = yyvsp[0].v.number == DOT260 ? 853 : 53; | |||
1274 | else | |||
1275 | uw_fwd->port = yyvsp[-2].v.number; | |||
1276 | ||||
1277 | if (yyvsp[-1].v.string != NULL((void *)0) && yyvsp[0].v.number == 0) { | |||
1278 | yyerror("authentication name can only " | |||
1279 | "be used with DoT"); | |||
1280 | free(yyvsp[-3].v.string); | |||
1281 | free(uw_fwd); | |||
1282 | YYERRORgoto yyerrlab; | |||
1283 | } | |||
1284 | ||||
1285 | if (strlcpy(uw_fwd->ip, yyvsp[-3].v.string, sizeof(uw_fwd->ip)) | |||
1286 | >= sizeof(uw_fwd->ip)) { | |||
1287 | free(uw_fwd); | |||
1288 | yyerror("forwarder %s too long", yyvsp[-3].v.string); | |||
1289 | free(yyvsp[-3].v.string); | |||
1290 | YYERRORgoto yyerrlab; | |||
1291 | } | |||
1292 | ||||
1293 | if (yyvsp[0].v.number == DOT260 && yyvsp[-1].v.string != NULL((void *)0)) { | |||
1294 | if (strlcpy(uw_fwd->auth_name, yyvsp[-1].v.string, | |||
1295 | sizeof(uw_fwd->auth_name)) | |||
1296 | >= sizeof(uw_fwd->auth_name)) { | |||
1297 | free(uw_fwd); | |||
1298 | yyerror("authentication name " | |||
1299 | "%s too long", yyvsp[-1].v.string); | |||
1300 | free(yyvsp[-3].v.string); | |||
1301 | YYERRORgoto yyerrlab; | |||
1302 | } | |||
1303 | } | |||
1304 | ||||
1305 | if (yyvsp[0].v.number == DOT260) | |||
1306 | TAILQ_INSERT_TAIL(do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_dot_forwarder_list)->tqh_last ; *(&conf->uw_dot_forwarder_list)->tqh_last = (uw_fwd ); (&conf->uw_dot_forwarder_list)->tqh_last = & (uw_fwd)->entry.tqe_next; } while (0) | |||
1307 | &conf->uw_dot_forwarder_list,do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_dot_forwarder_list)->tqh_last ; *(&conf->uw_dot_forwarder_list)->tqh_last = (uw_fwd ); (&conf->uw_dot_forwarder_list)->tqh_last = & (uw_fwd)->entry.tqe_next; } while (0) | |||
1308 | uw_fwd, entry)do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_dot_forwarder_list)->tqh_last ; *(&conf->uw_dot_forwarder_list)->tqh_last = (uw_fwd ); (&conf->uw_dot_forwarder_list)->tqh_last = & (uw_fwd)->entry.tqe_next; } while (0); | |||
1309 | else { | |||
1310 | TAILQ_INSERT_TAIL(do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_forwarder_list)->tqh_last ; *(&conf->uw_forwarder_list)->tqh_last = (uw_fwd); (&conf->uw_forwarder_list)->tqh_last = &(uw_fwd )->entry.tqe_next; } while (0) | |||
1311 | &conf->uw_forwarder_list,do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_forwarder_list)->tqh_last ; *(&conf->uw_forwarder_list)->tqh_last = (uw_fwd); (&conf->uw_forwarder_list)->tqh_last = &(uw_fwd )->entry.tqe_next; } while (0) | |||
1312 | uw_fwd, entry)do { (uw_fwd)->entry.tqe_next = ((void *)0); (uw_fwd)-> entry.tqe_prev = (&conf->uw_forwarder_list)->tqh_last ; *(&conf->uw_forwarder_list)->tqh_last = (uw_fwd); (&conf->uw_forwarder_list)->tqh_last = &(uw_fwd )->entry.tqe_next; } while (0); | |||
1313 | } | |||
1314 | free(yyvsp[-3].v.string); | |||
1315 | } | |||
1316 | break; | |||
1317 | case 39: | |||
1318 | #line 311 "/usr/src/sbin/unwind/parse.y" | |||
1319 | { yyval.v.number = yyvsp[0].v.number; } | |||
1320 | break; | |||
1321 | case 40: | |||
1322 | #line 312 "/usr/src/sbin/unwind/parse.y" | |||
1323 | { yyval.v.number = 0; } | |||
1324 | break; | |||
1325 | case 41: | |||
1326 | #line 315 "/usr/src/sbin/unwind/parse.y" | |||
1327 | { yyval.v.string = yyvsp[0].v.string; } | |||
1328 | break; | |||
1329 | case 42: | |||
1330 | #line 316 "/usr/src/sbin/unwind/parse.y" | |||
1331 | { yyval.v.string = NULL((void *)0); } | |||
1332 | break; | |||
1333 | case 43: | |||
1334 | #line 319 "/usr/src/sbin/unwind/parse.y" | |||
1335 | { yyval.v.number = DOT260; } | |||
1336 | break; | |||
1337 | case 44: | |||
1338 | #line 320 "/usr/src/sbin/unwind/parse.y" | |||
1339 | { yyval.v.number = 0; } | |||
1340 | break; | |||
1341 | case 45: | |||
1342 | #line 323 "/usr/src/sbin/unwind/parse.y" | |||
1343 | { yyval.v.number = 1; } | |||
1344 | break; | |||
1345 | case 46: | |||
1346 | #line 324 "/usr/src/sbin/unwind/parse.y" | |||
1347 | { yyval.v.number = 0; } | |||
1348 | break; | |||
1349 | case 47: | |||
1350 | #line 327 "/usr/src/sbin/unwind/parse.y" | |||
1351 | { | |||
1352 | struct force_tree_entry *n, *nxt; | |||
1353 | int error = 0; | |||
1354 | ||||
1355 | RB_FOREACH_SAFE(n, force_tree, &yyvsp[-2].v.force, nxt)for ((n) = force_tree_RB_MINMAX(&yyvsp[-2].v.force, -1); ( (n) != ((void *)0)) && ((nxt) = force_tree_RB_NEXT(n) , 1); (n) = (nxt)) { | |||
1356 | n->acceptbogus = yyvsp[-5].v.number; | |||
1357 | n->type = yyvsp[-4].v.number; | |||
1358 | RB_REMOVE(force_tree, &yyvsp[-2].v.force, n)force_tree_RB_REMOVE(&yyvsp[-2].v.force, n); | |||
1359 | if (RB_INSERT(force_tree, &conf->force,force_tree_RB_INSERT(&conf->force, n) | |||
1360 | n)force_tree_RB_INSERT(&conf->force, n)) { | |||
1361 | yyerror("%s already in an force " | |||
1362 | "list", n->domain); | |||
1363 | error = 1; | |||
1364 | } | |||
1365 | } | |||
1366 | if (error) | |||
1367 | YYERRORgoto yyerrlab; | |||
1368 | } | |||
1369 | break; | |||
1370 | case 48: | |||
1371 | #line 347 "/usr/src/sbin/unwind/parse.y" | |||
1372 | { yyval.v.number = 1; } | |||
1373 | break; | |||
1374 | case 49: | |||
1375 | #line 348 "/usr/src/sbin/unwind/parse.y" | |||
1376 | { yyval.v.number = 0; } | |||
1377 | break; | |||
1378 | case 50: | |||
1379 | #line 351 "/usr/src/sbin/unwind/parse.y" | |||
1380 | { | |||
1381 | struct force_tree_entry *e; | |||
1382 | size_t len; | |||
1383 | ||||
1384 | len = strlen(yyvsp[0].v.string); | |||
1385 | e = malloc(sizeof(*e)); | |||
1386 | if (e == NULL((void *)0)) | |||
1387 | err(1, NULL((void *)0)); | |||
1388 | if (strlcpy(e->domain, yyvsp[0].v.string, sizeof(e->domain)) >= | |||
1389 | sizeof(e->domain)) { | |||
1390 | yyerror("force %s too long", yyvsp[0].v.string); | |||
1391 | free(yyvsp[0].v.string); | |||
1392 | YYERRORgoto yyerrlab; | |||
1393 | } | |||
1394 | free(yyvsp[0].v.string); | |||
1395 | if (len == 0 || e->domain[len-1] != '.') { | |||
1396 | if (strlcat(e->domain, ".", | |||
1397 | sizeof((e->domain))) >= | |||
1398 | sizeof((e->domain))) { | |||
1399 | yyerror("force %s too long", yyvsp[0].v.string); | |||
1400 | YYERRORgoto yyerrlab; | |||
1401 | } | |||
1402 | } | |||
1403 | if (RB_INSERT(force_tree, &yyval.v.force, e)force_tree_RB_INSERT(&yyval.v.force, e) != NULL((void *)0)) { | |||
1404 | log_warnx("duplicate force %s", e->domain); | |||
1405 | free(e); | |||
1406 | } | |||
1407 | } | |||
1408 | break; | |||
1409 | case 51: | |||
1410 | #line 379 "/usr/src/sbin/unwind/parse.y" | |||
1411 | { | |||
1412 | RB_INIT(&yyval.v.force)do { (&yyval.v.force)->rbh_root = ((void *)0); } while (0); | |||
1413 | } | |||
1414 | break; | |||
1415 | #line 1408 "parse.c" | |||
1416 | } | |||
1417 | yyssp -= yym; | |||
1418 | yystate = *yyssp; | |||
1419 | yyvsp -= yym; | |||
1420 | yym = yylhs[yyn]; | |||
1421 | if (yystate == 0 && yym == 0) | |||
1422 | { | |||
1423 | #if YYDEBUG0 | |||
1424 | if (yydebug) | |||
1425 | printf("%sdebug: after reduction, shifting from state 0 to\ | |||
1426 | state %d\n", YYPREFIX"yy", YYFINAL1); | |||
1427 | #endif | |||
1428 | yystate = YYFINAL1; | |||
1429 | *++yyssp = YYFINAL1; | |||
1430 | *++yyvsp = yyval; | |||
1431 | if (yychar < 0) | |||
1432 | { | |||
1433 | if ((yychar = yylex()) < 0) yychar = 0; | |||
1434 | #if YYDEBUG0 | |||
1435 | if (yydebug) | |||
1436 | { | |||
1437 | yys = 0; | |||
1438 | if (yychar <= YYMAXTOKEN279) yys = yyname[yychar]; | |||
1439 | if (!yys) yys = "illegal-symbol"; | |||
1440 | printf("%sdebug: state %d, reading %d (%s)\n", | |||
1441 | YYPREFIX"yy", YYFINAL1, yychar, yys); | |||
1442 | } | |||
1443 | #endif | |||
1444 | } | |||
1445 | if (yychar == 0) goto yyaccept; | |||
1446 | goto yyloop; | |||
1447 | } | |||
1448 | if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && | |||
1449 | yyn <= YYTABLESIZE271 && yycheck[yyn] == yystate) | |||
1450 | yystate = yytable[yyn]; | |||
1451 | else | |||
1452 | yystate = yydgoto[yym]; | |||
1453 | #if YYDEBUG0 | |||
1454 | if (yydebug) | |||
1455 | printf("%sdebug: after reduction, shifting from state %d \ | |||
1456 | to state %d\n", YYPREFIX"yy", *yyssp, yystate); | |||
1457 | #endif | |||
1458 | if (yyssp >= yysslim && yygrowstack()) | |||
1459 | { | |||
1460 | goto yyoverflow; | |||
1461 | } | |||
1462 | *++yyssp = yystate; | |||
1463 | *++yyvsp = yyval; | |||
1464 | goto yyloop; | |||
1465 | yyoverflow: | |||
1466 | yyerror("yacc stack overflow"); | |||
1467 | yyabort: | |||
1468 | if (yyss) | |||
1469 | free(yyss); | |||
1470 | if (yyvs) | |||
1471 | free(yyvs); | |||
1472 | yyss = yyssp = NULL((void *)0); | |||
1473 | yyvs = yyvsp = NULL((void *)0); | |||
1474 | yystacksize = 0; | |||
1475 | return (1); | |||
1476 | yyaccept: | |||
1477 | if (yyss) | |||
1478 | free(yyss); | |||
1479 | if (yyvs) | |||
1480 | free(yyvs); | |||
1481 | yyss = yyssp = NULL((void *)0); | |||
1482 | yyvs = yyvsp = NULL((void *)0); | |||
1483 | yystacksize = 0; | |||
1484 | return (0); | |||
1485 | } |