File: | src/usr.sbin/dvmrpd/obj/parse.c |
Warning: | line 1337, column 14 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 25 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
13 | #include <sys/types.h> | ||||
14 | #include <sys/time.h> | ||||
15 | #include <sys/stat.h> | ||||
16 | #include <sys/socket.h> | ||||
17 | #include <netinet/in.h> | ||||
18 | #include <arpa/inet.h> | ||||
19 | #include <net/if.h> | ||||
20 | #include <ctype.h> | ||||
21 | #include <err.h> | ||||
22 | #include <limits.h> | ||||
23 | #include <unistd.h> | ||||
24 | #include <errno(*__errno()).h> | ||||
25 | #include <stdarg.h> | ||||
26 | #include <stdio.h> | ||||
27 | #include <string.h> | ||||
28 | #include <syslog.h> | ||||
29 | |||||
30 | #include "igmp.h" | ||||
31 | #include "dvmrp.h" | ||||
32 | #include "dvmrpd.h" | ||||
33 | #include "dvmrpe.h" | ||||
34 | #include "log.h" | ||||
35 | |||||
36 | TAILQ_HEAD(files, file)struct files { struct file *tqh_first; struct file **tqh_last ; } files = TAILQ_HEAD_INITIALIZER(files){ ((void *)0), &(files).tqh_first }; | ||||
37 | static struct file { | ||||
38 | TAILQ_ENTRY(file)struct { struct file *tqe_next; struct file **tqe_prev; } entry; | ||||
39 | FILE *stream; | ||||
40 | char *name; | ||||
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 lgetc(int); | ||||
55 | int lungetc(int); | ||||
56 | int findeol(void); | ||||
57 | |||||
58 | TAILQ_HEAD(symhead, sym)struct symhead { struct sym *tqh_first; struct sym **tqh_last ; } symhead = TAILQ_HEAD_INITIALIZER(symhead){ ((void *)0), &(symhead).tqh_first }; | ||||
59 | struct sym { | ||||
60 | TAILQ_ENTRY(sym)struct { struct sym *tqe_next; struct sym **tqe_prev; } entry; | ||||
61 | int used; | ||||
62 | int persist; | ||||
63 | char *nam; | ||||
64 | char *val; | ||||
65 | }; | ||||
66 | int symset(const char *, const char *, int); | ||||
67 | char *symget(const char *); | ||||
68 | |||||
69 | static struct dvmrpd_conf *conf; | ||||
70 | char *start_state; | ||||
71 | struct iface *iface = NULL((void *)0); | ||||
72 | |||||
73 | static struct { | ||||
74 | u_int32_t probe_interval; | ||||
75 | u_int32_t query_interval; | ||||
76 | u_int32_t query_resp_interval; | ||||
77 | u_int32_t startup_query_interval; | ||||
78 | u_int32_t startup_query_cnt; | ||||
79 | u_int32_t last_member_query_interval; | ||||
80 | u_int32_t last_member_query_cnt; | ||||
81 | u_int32_t dead_interval; | ||||
82 | u_int16_t metric; | ||||
83 | u_int8_t robustness; | ||||
84 | u_int8_t igmp_version; | ||||
85 | } *defs, *grdefs, globaldefs, groupdefs, ifacedefs; | ||||
86 | |||||
87 | void clear_config(struct dvmrpd_conf *xconf); | ||||
88 | struct iface *conf_get_if(struct kif *); | ||||
89 | struct iface *new_group(void); | ||||
90 | |||||
91 | typedef struct { | ||||
92 | union { | ||||
93 | int64_t number; | ||||
94 | char *string; | ||||
95 | } v; | ||||
96 | int lineno; | ||||
97 | } YYSTYPE; | ||||
98 | |||||
99 | #line 100 "parse.c" | ||||
100 | #define INTERFACE257 257 | ||||
101 | #define FIBUPDATE258 258 | ||||
102 | #define GROUP259 259 | ||||
103 | #define METRIC260 260 | ||||
104 | #define PASSIVE261 261 | ||||
105 | #define ROBUSTNESS262 262 | ||||
106 | #define QUERYINTERVAL263 263 | ||||
107 | #define QUERYRESPINTERVAL264 264 | ||||
108 | #define STARTUPQUERYINTERVAL265 265 | ||||
109 | #define STARTUPQUERYCNT266 266 | ||||
110 | #define LASTMEMBERQUERYINTERVAL267 267 | ||||
111 | #define LASTMEMBERQUERYCNT268 268 | ||||
112 | #define IGMPVERSION269 269 | ||||
113 | #define ERROR270 270 | ||||
114 | #define STRING271 271 | ||||
115 | #define NUMBER272 272 | ||||
116 | #define YYERRCODE256 256 | ||||
117 | const short yylhs[] = | ||||
118 | { -1, | ||||
119 | 0, 0, 0, 0, 0, 0, 0, 2, 2, 1, | ||||
120 | 4, 3, 3, 7, 7, 7, 7, 7, 7, 7, | ||||
121 | 7, 7, 8, 8, 9, 11, 5, 10, 10, 10, | ||||
122 | 12, 12, 13, 13, 15, 6, 14, 14, 16, 16, | ||||
123 | 16, | ||||
124 | }; | ||||
125 | const short yylen[] = | ||||
126 | { 2, | ||||
127 | 0, 2, 3, 3, 3, 3, 3, 2, 1, 1, | ||||
128 | 3, 2, 1, 2, 2, 2, 2, 2, 2, 2, | ||||
129 | 2, 2, 2, 0, 2, 0, 4, 4, 3, 0, | ||||
130 | 2, 1, 2, 2, 0, 7, 2, 1, 2, 2, | ||||
131 | 2, | ||||
132 | }; | ||||
133 | const short yydefred[] = | ||||
134 | { 1, | ||||
135 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||||
136 | 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, | ||||
137 | 13, 7, 26, 10, 12, 0, 0, 16, 19, 17, | ||||
138 | 18, 21, 20, 15, 14, 22, 0, 3, 4, 5, | ||||
139 | 6, 0, 23, 0, 9, 0, 0, 27, 35, 8, | ||||
140 | 0, 0, 0, 29, 0, 0, 32, 0, 0, 0, | ||||
141 | 0, 38, 0, 33, 34, 28, 31, 41, 39, 40, | ||||
142 | 36, 37, 25, | ||||
143 | }; | ||||
144 | const short yydgoto[] = | ||||
145 | { 1, | ||||
146 | 25, 46, 17, 18, 59, 20, 55, 27, 64, 48, | ||||
147 | 42, 56, 57, 61, 52, 62, | ||||
148 | }; | ||||
149 | const short yysindex[] = | ||||
150 | { 0, | ||||
151 | -10, -4, -261, -260, 2, -259, -258, -257, -256, -254, | ||||
152 | -253, -252, -251, -250, -37, 0, 15, 17, 18, 19, | ||||
153 | 0, 0, 0, 0, 0, 2, -93, 0, 0, 0, | ||||
154 | 0, 0, 0, 0, 0, 0, -239, 0, 0, 0, | ||||
155 | 0, -90, 0, 2, 0, -237, 2, 0, 0, 0, | ||||
156 | -84, -197, 25, 0, 25, -74, 0, 25, 25, 25, | ||||
157 | -94, 0, 2, 0, 0, 0, 0, 0, 0, 0, | ||||
158 | 0, 0, 0,}; | ||||
159 | const short yyrindex[] = | ||||
160 | { 0, | ||||
161 | 0, 0, 0, 0, -87, 0, 0, 0, 0, 0, | ||||
162 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||||
163 | 0, 0, 0, 0, 0, -122, 0, 0, 0, 0, | ||||
164 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||||
165 | 0, 27, 0, -183, 0, 28, -64, 0, 0, 0, | ||||
166 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||||
167 | 0, 0, -108, 0, 0, 0, 0, 0, 0, 0, | ||||
168 | 0, 0, 0,}; | ||||
169 | const short yygindex[] = | ||||
170 | { 0, | ||||
171 | 0, 0, 0, 0, 38, 0, 1, -21, -51, 0, | ||||
172 | 0, 0, -16, 0, 0, -18, | ||||
173 | }; | ||||
174 | #define YYTABLESIZE261 261 | ||||
175 | const short yytable[] = | ||||
176 | { 16, | ||||
177 | 24, 21, 24, 65, 43, 22, 68, 69, 70, 23, | ||||
178 | 24, 26, 28, 29, 30, 31, 24, 32, 33, 34, | ||||
179 | 35, 36, 49, 37, 38, 51, 39, 40, 41, 44, | ||||
180 | 71, 45, 47, 50, 63, 24, 30, 11, 19, 67, | ||||
181 | 54, 73, 72, 0, 0, 0, 0, 0, 0, 0, | ||||
182 | 66, 0, 60, 0, 0, 0, 0, 0, 58, 3, | ||||
183 | 24, 60, 6, 0, 7, 8, 9, 10, 11, 12, | ||||
184 | 13, 14, 24, 24, 0, 0, 24, 0, 24, 24, | ||||
185 | 24, 24, 24, 24, 24, 24, 0, 0, 0, 0, | ||||
186 | 0, 0, 0, 0, 0, 0, 0, 0, 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, 24, 24, 0, 0, 24, 24, 24, | ||||
191 | 24, 24, 24, 24, 24, 24, 24, 24, 24, 0, | ||||
192 | 0, 24, 24, 24, 24, 24, 24, 24, 24, 24, | ||||
193 | 24, 58, 3, 0, 0, 6, 0, 7, 8, 9, | ||||
194 | 10, 11, 12, 13, 14, 6, 53, 7, 8, 9, | ||||
195 | 10, 11, 12, 13, 14, 6, 53, 7, 8, 9, | ||||
196 | 10, 11, 12, 13, 14, 24, 24, 24, 24, 24, | ||||
197 | 24, 24, 24, 24, 24, 0, 0, 0, 0, 0, | ||||
198 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | ||||
199 | 0, 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, 2, 3, 4, 5, 6, | ||||
202 | 0, 7, 8, 9, 10, 11, 12, 13, 14, 0, | ||||
203 | 15, | ||||
204 | }; | ||||
205 | const short yycheck[] = | ||||
206 | { 10, | ||||
207 | 123, 1, 125, 55, 26, 10, 58, 59, 60, 271, | ||||
208 | 271, 10, 272, 272, 272, 272, 125, 272, 272, 272, | ||||
209 | 272, 272, 44, 61, 10, 47, 10, 10, 10, 123, | ||||
210 | 125, 271, 123, 271, 10, 123, 10, 10, 1, 56, | ||||
211 | 125, 63, 61, -1, -1, -1, -1, -1, -1, -1, | ||||
212 | 125, -1, 52, -1, -1, -1, -1, -1, 256, 257, | ||||
213 | 125, 61, 260, -1, 262, 263, 264, 265, 266, 267, | ||||
214 | 268, 269, 256, 257, -1, -1, 260, -1, 262, 263, | ||||
215 | 264, 265, 266, 267, 268, 269, -1, -1, -1, -1, | ||||
216 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||||
217 | -1, -1, -1, -1, -1, -1, -1, -1, -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, 256, 257, -1, -1, 260, 261, 262, | ||||
221 | 263, 264, 265, 266, 267, 268, 269, 256, 257, -1, | ||||
222 | -1, 260, 261, 262, 263, 264, 265, 266, 267, 268, | ||||
223 | 269, 256, 257, -1, -1, 260, -1, 262, 263, 264, | ||||
224 | 265, 266, 267, 268, 269, 260, 261, 262, 263, 264, | ||||
225 | 265, 266, 267, 268, 269, 260, 261, 262, 263, 264, | ||||
226 | 265, 266, 267, 268, 269, 260, 261, 262, 263, 264, | ||||
227 | 265, 266, 267, 268, 269, -1, -1, -1, -1, -1, | ||||
228 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||||
229 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||||
230 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||||
231 | -1, -1, -1, -1, -1, 256, 257, 258, 259, 260, | ||||
232 | -1, 262, 263, 264, 265, 266, 267, 268, 269, -1, | ||||
233 | 271, | ||||
234 | }; | ||||
235 | #define YYFINAL1 1 | ||||
236 | #ifndef YYDEBUG0 | ||||
237 | #define YYDEBUG0 0 | ||||
238 | #endif | ||||
239 | #define YYMAXTOKEN272 272 | ||||
240 | #if YYDEBUG0 | ||||
241 | const char * const yyname[] = | ||||
242 | { | ||||
243 | "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, | ||||
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, | ||||
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 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,"'{'",0,"'}'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | ||||
247 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | ||||
248 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | ||||
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,"INTERFACE", | ||||
250 | "FIBUPDATE","GROUP","METRIC","PASSIVE","ROBUSTNESS","QUERYINTERVAL", | ||||
251 | "QUERYRESPINTERVAL","STARTUPQUERYINTERVAL","STARTUPQUERYCNT", | ||||
252 | "LASTMEMBERQUERYINTERVAL","LASTMEMBERQUERYCNT","IGMPVERSION","ERROR","STRING", | ||||
253 | "NUMBER", | ||||
254 | }; | ||||
255 | const char * const yyrule[] = | ||||
256 | {"$accept : grammar", | ||||
257 | "grammar :", | ||||
258 | "grammar : grammar '\\n'", | ||||
259 | "grammar : grammar conf_main '\\n'", | ||||
260 | "grammar : grammar varset '\\n'", | ||||
261 | "grammar : grammar interface '\\n'", | ||||
262 | "grammar : grammar group '\\n'", | ||||
263 | "grammar : grammar error '\\n'", | ||||
264 | "string : string STRING", | ||||
265 | "string : STRING", | ||||
266 | "yesno : STRING", | ||||
267 | "varset : STRING '=' string", | ||||
268 | "conf_main : FIBUPDATE yesno", | ||||
269 | "conf_main : defaults", | ||||
270 | "defaults : LASTMEMBERQUERYCNT NUMBER", | ||||
271 | "defaults : LASTMEMBERQUERYINTERVAL NUMBER", | ||||
272 | "defaults : METRIC NUMBER", | ||||
273 | "defaults : QUERYINTERVAL NUMBER", | ||||
274 | "defaults : QUERYRESPINTERVAL NUMBER", | ||||
275 | "defaults : ROBUSTNESS NUMBER", | ||||
276 | "defaults : STARTUPQUERYCNT NUMBER", | ||||
277 | "defaults : STARTUPQUERYINTERVAL NUMBER", | ||||
278 | "defaults : IGMPVERSION NUMBER", | ||||
279 | "optnl : '\\n' optnl", | ||||
280 | "optnl :", | ||||
281 | "nl : '\\n' optnl", | ||||
282 | "$$1 :", | ||||
283 | "interface : INTERFACE STRING $$1 interface_block", | ||||
284 | "interface_block : '{' optnl interfaceopts_l '}'", | ||||
285 | "interface_block : '{' optnl '}'", | ||||
286 | "interface_block :", | ||||
287 | "interfaceopts_l : interfaceopts_l interfaceoptsl", | ||||
288 | "interfaceopts_l : interfaceoptsl", | ||||
289 | "interfaceoptsl : PASSIVE nl", | ||||
290 | "interfaceoptsl : defaults nl", | ||||
291 | "$$2 :", | ||||
292 | "group : GROUP optnl '{' optnl $$2 groupopts_l '}'", | ||||
293 | "groupopts_l : groupopts_l groupoptsl", | ||||
294 | "groupopts_l : groupoptsl", | ||||
295 | "groupoptsl : interface nl", | ||||
296 | "groupoptsl : defaults nl", | ||||
297 | "groupoptsl : error nl", | ||||
298 | }; | ||||
299 | #endif | ||||
300 | #ifdef YYSTACKSIZE10000 | ||||
301 | #undef YYMAXDEPTH10000 | ||||
302 | #define YYMAXDEPTH10000 YYSTACKSIZE10000 | ||||
303 | #else | ||||
304 | #ifdef YYMAXDEPTH10000 | ||||
305 | #define YYSTACKSIZE10000 YYMAXDEPTH10000 | ||||
306 | #else | ||||
307 | #define YYSTACKSIZE10000 10000 | ||||
308 | #define YYMAXDEPTH10000 10000 | ||||
309 | #endif | ||||
310 | #endif | ||||
311 | #define YYINITSTACKSIZE200 200 | ||||
312 | /* LINTUSED */ | ||||
313 | int yydebug; | ||||
314 | int yynerrs; | ||||
315 | int yyerrflag; | ||||
316 | int yychar; | ||||
317 | short *yyssp; | ||||
318 | YYSTYPE *yyvsp; | ||||
319 | YYSTYPE yyval; | ||||
320 | YYSTYPE yylval; | ||||
321 | short *yyss; | ||||
322 | short *yysslim; | ||||
323 | YYSTYPE *yyvs; | ||||
324 | unsigned int yystacksize; | ||||
325 | int yyparse(void); | ||||
326 | #line 364 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
327 | |||||
328 | struct keywords { | ||||
329 | const char *k_name; | ||||
330 | int k_val; | ||||
331 | }; | ||||
332 | |||||
333 | int | ||||
334 | yyerror(const char *fmt, ...) | ||||
335 | { | ||||
336 | va_list ap; | ||||
337 | char *msg; | ||||
338 | |||||
339 | file->errors++; | ||||
340 | va_start(ap, fmt)__builtin_va_start(ap, fmt); | ||||
341 | if (vasprintf(&msg, fmt, ap) == -1) | ||||
342 | fatalx("yyerror vasprintf"); | ||||
343 | va_end(ap)__builtin_va_end(ap); | ||||
344 | logit(LOG_CRIT2, "%s:%d: %s", file->name, yylval.lineno, msg); | ||||
345 | free(msg); | ||||
346 | return (0); | ||||
347 | } | ||||
348 | |||||
349 | int | ||||
350 | kw_cmp(const void *k, const void *e) | ||||
351 | { | ||||
352 | return (strcmp(k, ((const struct keywords *)e)->k_name)); | ||||
353 | } | ||||
354 | |||||
355 | int | ||||
356 | lookup(char *s) | ||||
357 | { | ||||
358 | /* this has to be sorted always */ | ||||
359 | static const struct keywords keywords[] = { | ||||
360 | {"fib-update", FIBUPDATE258}, | ||||
361 | {"group", GROUP259}, | ||||
362 | {"igmp-version", IGMPVERSION269}, | ||||
363 | {"interface", INTERFACE257}, | ||||
364 | {"last-member-query-count", LASTMEMBERQUERYCNT268}, | ||||
365 | {"last-member-query-interval", LASTMEMBERQUERYINTERVAL267}, | ||||
366 | {"metric", METRIC260}, | ||||
367 | {"passive", PASSIVE261}, | ||||
368 | {"query-interval", QUERYINTERVAL263}, | ||||
369 | {"query-response-interval", QUERYRESPINTERVAL264}, | ||||
370 | {"robustness", ROBUSTNESS262}, | ||||
371 | {"startup-query-count", STARTUPQUERYCNT266}, | ||||
372 | {"startup-query-interval", STARTUPQUERYINTERVAL265} | ||||
373 | }; | ||||
374 | const struct keywords *p; | ||||
375 | |||||
376 | p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]), | ||||
377 | sizeof(keywords[0]), kw_cmp); | ||||
378 | |||||
379 | if (p) | ||||
380 | return (p->k_val); | ||||
381 | else | ||||
382 | return (STRING271); | ||||
383 | } | ||||
384 | |||||
385 | #define MAXPUSHBACK128 128 | ||||
386 | |||||
387 | char *parsebuf; | ||||
388 | int parseindex; | ||||
389 | char pushback_buffer[MAXPUSHBACK128]; | ||||
390 | int pushback_index = 0; | ||||
391 | |||||
392 | int | ||||
393 | lgetc(int quotec) | ||||
394 | { | ||||
395 | int c, next; | ||||
396 | |||||
397 | if (parsebuf) { | ||||
398 | /* Read character from the parsebuffer instead of input. */ | ||||
399 | if (parseindex >= 0) { | ||||
400 | c = (unsigned char)parsebuf[parseindex++]; | ||||
401 | if (c != '\0') | ||||
402 | return (c); | ||||
403 | parsebuf = NULL((void *)0); | ||||
404 | } else | ||||
405 | parseindex++; | ||||
406 | } | ||||
407 | |||||
408 | if (pushback_index) | ||||
409 | return ((unsigned char)pushback_buffer[--pushback_index]); | ||||
410 | |||||
411 | if (quotec) { | ||||
412 | if ((c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream))) == EOF(-1)) { | ||||
413 | yyerror("reached end of file while parsing " | ||||
414 | "quoted string"); | ||||
415 | if (file == topfile || popfile() == EOF(-1)) | ||||
416 | return (EOF(-1)); | ||||
417 | return (quotec); | ||||
418 | } | ||||
419 | return (c); | ||||
420 | } | ||||
421 | |||||
422 | while ((c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream))) == '\\') { | ||||
423 | next = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream)); | ||||
424 | if (next != '\n') { | ||||
425 | c = next; | ||||
426 | break; | ||||
427 | } | ||||
428 | yylval.lineno = file->lineno; | ||||
429 | file->lineno++; | ||||
430 | } | ||||
431 | |||||
432 | while (c == EOF(-1)) { | ||||
433 | if (file == topfile || popfile() == EOF(-1)) | ||||
434 | return (EOF(-1)); | ||||
435 | c = getc(file->stream)(!__isthreaded ? (--(file->stream)->_r < 0 ? __srget (file->stream) : (int)(*(file->stream)->_p++)) : (getc )(file->stream)); | ||||
436 | } | ||||
437 | return (c); | ||||
438 | } | ||||
439 | |||||
440 | int | ||||
441 | lungetc(int c) | ||||
442 | { | ||||
443 | if (c == EOF(-1)) | ||||
444 | return (EOF(-1)); | ||||
445 | if (parsebuf) { | ||||
446 | parseindex--; | ||||
447 | if (parseindex >= 0) | ||||
448 | return (c); | ||||
449 | } | ||||
450 | if (pushback_index + 1 >= MAXPUSHBACK128) | ||||
451 | return (EOF(-1)); | ||||
452 | pushback_buffer[pushback_index++] = c; | ||||
453 | return (c); | ||||
454 | } | ||||
455 | |||||
456 | int | ||||
457 | findeol(void) | ||||
458 | { | ||||
459 | int c; | ||||
460 | |||||
461 | parsebuf = NULL((void *)0); | ||||
462 | |||||
463 | /* skip to either EOF or the first real EOL */ | ||||
464 | while (1) { | ||||
465 | if (pushback_index) | ||||
466 | c = (unsigned char)pushback_buffer[--pushback_index]; | ||||
467 | else | ||||
468 | c = lgetc(0); | ||||
469 | if (c == '\n') { | ||||
470 | file->lineno++; | ||||
471 | break; | ||||
472 | } | ||||
473 | if (c == EOF(-1)) | ||||
474 | break; | ||||
475 | } | ||||
476 | return (ERROR270); | ||||
477 | } | ||||
478 | |||||
479 | int | ||||
480 | yylex(void) | ||||
481 | { | ||||
482 | char buf[8096]; | ||||
483 | char *p, *val; | ||||
484 | int quotec, next, c; | ||||
485 | int token; | ||||
486 | |||||
487 | top: | ||||
488 | p = buf; | ||||
489 | while ((c = lgetc(0)) == ' ' || c == '\t') | ||||
490 | ; /* nothing */ | ||||
491 | |||||
492 | yylval.lineno = file->lineno; | ||||
493 | if (c == '#') | ||||
494 | while ((c = lgetc(0)) != '\n' && c != EOF(-1)) | ||||
495 | ; /* nothing */ | ||||
496 | if (c == '$' && parsebuf == NULL((void *)0)) { | ||||
497 | while (1) { | ||||
498 | if ((c = lgetc(0)) == EOF(-1)) | ||||
499 | return (0); | ||||
500 | |||||
501 | if (p + 1 >= buf + sizeof(buf) - 1) { | ||||
502 | yyerror("string too long"); | ||||
503 | return (findeol()); | ||||
504 | } | ||||
505 | if (isalnum(c) || c == '_') { | ||||
506 | *p++ = c; | ||||
507 | continue; | ||||
508 | } | ||||
509 | *p = '\0'; | ||||
510 | lungetc(c); | ||||
511 | break; | ||||
512 | } | ||||
513 | val = symget(buf); | ||||
514 | if (val == NULL((void *)0)) { | ||||
515 | yyerror("macro '%s' not defined", buf); | ||||
516 | return (findeol()); | ||||
517 | } | ||||
518 | parsebuf = val; | ||||
519 | parseindex = 0; | ||||
520 | goto top; | ||||
521 | } | ||||
522 | |||||
523 | switch (c) { | ||||
524 | case '\'': | ||||
525 | case '"': | ||||
526 | quotec = c; | ||||
527 | while (1) { | ||||
528 | if ((c = lgetc(quotec)) == EOF(-1)) | ||||
529 | return (0); | ||||
530 | if (c == '\n') { | ||||
531 | file->lineno++; | ||||
532 | continue; | ||||
533 | } else if (c == '\\') { | ||||
534 | if ((next = lgetc(quotec)) == EOF(-1)) | ||||
535 | return (0); | ||||
536 | if (next == quotec || next == ' ' || | ||||
537 | next == '\t') | ||||
538 | c = next; | ||||
539 | else if (next == '\n') { | ||||
540 | file->lineno++; | ||||
541 | continue; | ||||
542 | } else | ||||
543 | lungetc(next); | ||||
544 | } else if (c == quotec) { | ||||
545 | *p = '\0'; | ||||
546 | break; | ||||
547 | } else if (c == '\0') { | ||||
548 | yyerror("syntax error"); | ||||
549 | return (findeol()); | ||||
550 | } | ||||
551 | if (p + 1 >= buf + sizeof(buf) - 1) { | ||||
552 | yyerror("string too long"); | ||||
553 | return (findeol()); | ||||
554 | } | ||||
555 | *p++ = c; | ||||
556 | } | ||||
557 | yylval.v.string = strdup(buf); | ||||
558 | if (yylval.v.string == NULL((void *)0)) | ||||
559 | err(1, "%s", __func__); | ||||
560 | return (STRING271); | ||||
561 | } | ||||
562 | |||||
563 | #define allowed_to_end_number(x)(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') \ | ||||
564 | (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=') | ||||
565 | |||||
566 | if (c == '-' || isdigit(c)) { | ||||
567 | do { | ||||
568 | *p++ = c; | ||||
569 | if ((size_t)(p-buf) >= sizeof(buf)) { | ||||
570 | yyerror("string too long"); | ||||
571 | return (findeol()); | ||||
572 | } | ||||
573 | } while ((c = lgetc(0)) != EOF(-1) && isdigit(c)); | ||||
574 | lungetc(c); | ||||
575 | if (p == buf + 1 && buf[0] == '-') | ||||
576 | goto nodigits; | ||||
577 | if (c == EOF(-1) || allowed_to_end_number(c)(isspace(c) || c == ')' || c ==',' || c == '/' || c == '}' || c == '=')) { | ||||
578 | const char *errstr = NULL((void *)0); | ||||
579 | |||||
580 | *p = '\0'; | ||||
581 | yylval.v.number = strtonum(buf, LLONG_MIN(-9223372036854775807LL -1LL), | ||||
582 | LLONG_MAX9223372036854775807LL, &errstr); | ||||
583 | if (errstr) { | ||||
584 | yyerror("\"%s\" invalid number: %s", | ||||
585 | buf, errstr); | ||||
586 | return (findeol()); | ||||
587 | } | ||||
588 | return (NUMBER272); | ||||
589 | } else { | ||||
590 | nodigits: | ||||
591 | while (p > buf + 1) | ||||
592 | lungetc((unsigned char)*--p); | ||||
593 | c = (unsigned char)*--p; | ||||
594 | if (c == '-') | ||||
595 | return (c); | ||||
596 | } | ||||
597 | } | ||||
598 | |||||
599 | #define allowed_in_string(x)(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && x != '{' && x != '}' && x != '!' && x != '=' && x != '#' && x != ',') ) \ | ||||
600 | (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \ | ||||
601 | x != '{' && x != '}' && \ | ||||
602 | x != '!' && x != '=' && x != '#' && \ | ||||
603 | x != ',')) | ||||
604 | |||||
605 | if (isalnum(c) || c == ':' || c == '_') { | ||||
606 | do { | ||||
607 | *p++ = c; | ||||
608 | if ((size_t)(p-buf) >= sizeof(buf)) { | ||||
609 | yyerror("string too long"); | ||||
610 | return (findeol()); | ||||
611 | } | ||||
612 | } while ((c = lgetc(0)) != EOF(-1) && (allowed_in_string(c)(isalnum(c) || (ispunct(c) && c != '(' && c != ')' && c != '{' && c != '}' && c != '!' && c != '=' && c != '#' && c != ',') ))); | ||||
613 | lungetc(c); | ||||
614 | *p = '\0'; | ||||
615 | if ((token = lookup(buf)) == STRING271) | ||||
616 | if ((yylval.v.string = strdup(buf)) == NULL((void *)0)) | ||||
617 | err(1, "%s", __func__); | ||||
618 | return (token); | ||||
619 | } | ||||
620 | if (c == '\n') { | ||||
621 | yylval.lineno = file->lineno; | ||||
622 | file->lineno++; | ||||
623 | } | ||||
624 | if (c == EOF(-1)) | ||||
625 | return (0); | ||||
626 | return (c); | ||||
627 | } | ||||
628 | |||||
629 | int | ||||
630 | check_file_secrecy(int fd, const char *fname) | ||||
631 | { | ||||
632 | struct stat st; | ||||
633 | |||||
634 | if (fstat(fd, &st)) { | ||||
635 | log_warn("cannot stat %s", fname); | ||||
636 | return (-1); | ||||
637 | } | ||||
638 | if (st.st_uid != 0 && st.st_uid != getuid()) { | ||||
639 | log_warnx("%s: owner not root or current user", fname); | ||||
640 | return (-1); | ||||
641 | } | ||||
642 | if (st.st_mode & (S_IWGRP0000020 | S_IXGRP0000010 | S_IRWXO0000007)) { | ||||
643 | log_warnx("%s: group writable or world read/writable", fname); | ||||
644 | return (-1); | ||||
645 | } | ||||
646 | return (0); | ||||
647 | } | ||||
648 | |||||
649 | struct file * | ||||
650 | pushfile(const char *name, int secret) | ||||
651 | { | ||||
652 | struct file *nfile; | ||||
653 | |||||
654 | if ((nfile = calloc(1, sizeof(struct file))) == NULL((void *)0)) { | ||||
655 | log_warn("%s", __func__); | ||||
656 | return (NULL((void *)0)); | ||||
657 | } | ||||
658 | if ((nfile->name = strdup(name)) == NULL((void *)0)) { | ||||
659 | log_warn("%s", __func__); | ||||
660 | free(nfile); | ||||
661 | return (NULL((void *)0)); | ||||
662 | } | ||||
663 | if ((nfile->stream = fopen(nfile->name, "r")) == NULL((void *)0)) { | ||||
664 | log_warn("%s: %s", __func__, nfile->name); | ||||
665 | free(nfile->name); | ||||
666 | free(nfile); | ||||
667 | return (NULL((void *)0)); | ||||
668 | } else if (secret && | ||||
669 | check_file_secrecy(fileno(nfile->stream)(!__isthreaded ? ((nfile->stream)->_file) : (fileno)(nfile ->stream)), nfile->name)) { | ||||
670 | fclose(nfile->stream); | ||||
671 | free(nfile->name); | ||||
672 | free(nfile); | ||||
673 | return (NULL((void *)0)); | ||||
674 | } | ||||
675 | nfile->lineno = 1; | ||||
676 | 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); | ||||
677 | return (nfile); | ||||
678 | } | ||||
679 | |||||
680 | int | ||||
681 | popfile(void) | ||||
682 | { | ||||
683 | struct file *prev; | ||||
684 | |||||
685 | if ((prev = TAILQ_PREV(file, files, entry)(*(((struct files *)((file)->entry.tqe_prev))->tqh_last ))) != NULL((void *)0)) | ||||
686 | prev->errors += file->errors; | ||||
687 | |||||
688 | 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); | ||||
689 | fclose(file->stream); | ||||
690 | free(file->name); | ||||
691 | free(file); | ||||
692 | file = prev; | ||||
693 | return (file ? 0 : EOF(-1)); | ||||
694 | } | ||||
695 | |||||
696 | struct dvmrpd_conf * | ||||
697 | parse_config(char *filename, int opts) | ||||
698 | { | ||||
699 | int errors = 0; | ||||
700 | struct sym *sym, *next; | ||||
701 | struct timeval now; | ||||
702 | |||||
703 | if ((conf = calloc(1, sizeof(struct dvmrpd_conf))) == NULL((void *)0)) { | ||||
704 | errx(1, "parse_config calloc"); | ||||
705 | return (NULL((void *)0)); | ||||
706 | } | ||||
707 | |||||
708 | defs = &globaldefs; | ||||
709 | defs->probe_interval = DEFAULT_PROBE_INTERVAL10; | ||||
710 | defs->last_member_query_cnt = DEFAULT_LAST_MEMBER_QUERY_CNT2; | ||||
711 | defs->last_member_query_interval = DEFAULT_LAST_MEMBER_QUERY_INTERVAL10; | ||||
712 | defs->metric = DEFAULT_METRIC1; | ||||
713 | defs->query_interval = DEFAULT_QUERY_INTERVAL125; | ||||
714 | defs->query_resp_interval = DEFAULT_QUERY_RESP_INTERVAL100; | ||||
715 | defs->robustness = DEFAULT_ROBUSTNESS2; | ||||
716 | defs->startup_query_cnt = DEFAULT_STARTUP_QUERY_CNT2; | ||||
717 | defs->startup_query_interval = DEFAULT_STARTUP_QUERY_INTERVAL125 / 4; | ||||
718 | defs->igmp_version = DEFAULT_IGMP_VERSION2; | ||||
719 | defs->dead_interval = NBR_TMOUT35; | ||||
720 | |||||
721 | if ((file = pushfile(filename, 1)) == NULL((void *)0)) { | ||||
722 | free(conf); | ||||
723 | return (NULL((void *)0)); | ||||
724 | } | ||||
725 | topfile = file; | ||||
726 | |||||
727 | gettimeofday(&now, NULL((void *)0)); | ||||
728 | conf->gen_id = (u_int32_t)now.tv_sec; /* for a while after 2038 */ | ||||
729 | conf->opts = opts; | ||||
730 | |||||
731 | yyparse(); | ||||
732 | errors = file->errors; | ||||
733 | popfile(); | ||||
734 | |||||
735 | /* Free macros and check which have not been used. */ | ||||
736 | TAILQ_FOREACH_SAFE(sym, &symhead, entry, next)for ((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0) && ((next) = ((sym)->entry.tqe_next), 1); (sym ) = (next)) { | ||||
737 | if ((conf->opts & DVMRPD_OPT_VERBOSE20x00000002) && !sym->used) | ||||
738 | fprintf(stderr(&__sF[2]), "warning: macro '%s' not " | ||||
739 | "used\n", sym->nam); | ||||
740 | if (!sym->persist) { | ||||
741 | free(sym->nam); | ||||
742 | free(sym->val); | ||||
743 | 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); | ||||
744 | free(sym); | ||||
745 | } | ||||
746 | } | ||||
747 | |||||
748 | if (errors) { | ||||
749 | clear_config(conf); | ||||
750 | return (NULL((void *)0)); | ||||
751 | } | ||||
752 | |||||
753 | return (conf); | ||||
754 | } | ||||
755 | |||||
756 | int | ||||
757 | symset(const char *nam, const char *val, int persist) | ||||
758 | { | ||||
759 | struct sym *sym; | ||||
760 | |||||
761 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { | ||||
762 | if (strcmp(nam, sym->nam) == 0) | ||||
763 | break; | ||||
764 | } | ||||
765 | |||||
766 | if (sym != NULL((void *)0)) { | ||||
767 | if (sym->persist == 1) | ||||
768 | return (0); | ||||
769 | else { | ||||
770 | free(sym->nam); | ||||
771 | free(sym->val); | ||||
772 | 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); | ||||
773 | free(sym); | ||||
774 | } | ||||
775 | } | ||||
776 | if ((sym = calloc(1, sizeof(*sym))) == NULL((void *)0)) | ||||
777 | return (-1); | ||||
778 | |||||
779 | sym->nam = strdup(nam); | ||||
780 | if (sym->nam == NULL((void *)0)) { | ||||
781 | free(sym); | ||||
782 | return (-1); | ||||
783 | } | ||||
784 | sym->val = strdup(val); | ||||
785 | if (sym->val == NULL((void *)0)) { | ||||
786 | free(sym->nam); | ||||
787 | free(sym); | ||||
788 | return (-1); | ||||
789 | } | ||||
790 | sym->used = 0; | ||||
791 | sym->persist = persist; | ||||
792 | 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); | ||||
793 | return (0); | ||||
794 | } | ||||
795 | |||||
796 | int | ||||
797 | cmdline_symset(char *s) | ||||
798 | { | ||||
799 | char *sym, *val; | ||||
800 | int ret; | ||||
801 | |||||
802 | if ((val = strrchr(s, '=')) == NULL((void *)0)) | ||||
803 | return (-1); | ||||
804 | sym = strndup(s, val - s); | ||||
805 | if (sym == NULL((void *)0)) | ||||
806 | errx(1, "%s: strndup", __func__); | ||||
807 | ret = symset(sym, val + 1, 1); | ||||
808 | free(sym); | ||||
809 | |||||
810 | return (ret); | ||||
811 | } | ||||
812 | |||||
813 | char * | ||||
814 | symget(const char *nam) | ||||
815 | { | ||||
816 | struct sym *sym; | ||||
817 | |||||
818 | TAILQ_FOREACH(sym, &symhead, entry)for((sym) = ((&symhead)->tqh_first); (sym) != ((void * )0); (sym) = ((sym)->entry.tqe_next)) { | ||||
819 | if (strcmp(nam, sym->nam) == 0) { | ||||
820 | sym->used = 1; | ||||
821 | return (sym->val); | ||||
822 | } | ||||
823 | } | ||||
824 | return (NULL((void *)0)); | ||||
825 | } | ||||
826 | |||||
827 | struct iface * | ||||
828 | conf_get_if(struct kif *kif) | ||||
829 | { | ||||
830 | struct iface *i; | ||||
831 | |||||
832 | if (kif->ifindex >= MAXVIFS32) { | ||||
833 | yyerror("interface %s index too large", kif->ifname); | ||||
834 | return (NULL((void *)0)); | ||||
835 | } | ||||
836 | |||||
837 | LIST_FOREACH(i, &conf->iface_list, entry)for((i) = ((&conf->iface_list)->lh_first); (i)!= (( void *)0); (i) = ((i)->entry.le_next)) | ||||
838 | if (i->ifindex == kif->ifindex) { | ||||
839 | yyerror("interface %s already configured", | ||||
840 | kif->ifname); | ||||
841 | return (NULL((void *)0)); | ||||
842 | } | ||||
843 | |||||
844 | i = if_new(kif); | ||||
845 | i->passive = 0; | ||||
846 | i->recv_query_resp_interval = DEFAULT_QUERY_RESP_INTERVAL100; | ||||
847 | |||||
848 | return (i); | ||||
849 | } | ||||
850 | |||||
851 | void | ||||
852 | clear_config(struct dvmrpd_conf *xconf) | ||||
853 | { | ||||
854 | /* XXX clear conf */ | ||||
855 | /* ... */ | ||||
856 | } | ||||
857 | #line 850 "parse.c" | ||||
858 | /* allocate initial stack or double stack size, up to YYMAXDEPTH */ | ||||
859 | static int yygrowstack(void) | ||||
860 | { | ||||
861 | unsigned int newsize; | ||||
862 | long sslen; | ||||
863 | short *newss; | ||||
864 | YYSTYPE *newvs; | ||||
865 | |||||
866 | if ((newsize = yystacksize) == 0) | ||||
867 | newsize = YYINITSTACKSIZE200; | ||||
868 | else if (newsize >= YYMAXDEPTH10000) | ||||
869 | return -1; | ||||
870 | else if ((newsize *= 2) > YYMAXDEPTH10000) | ||||
871 | newsize = YYMAXDEPTH10000; | ||||
872 | sslen = yyssp - yyss; | ||||
873 | #ifdef SIZE_MAX0xffffffffffffffffUL | ||||
874 | #define YY_SIZE_MAX0xffffffffffffffffUL SIZE_MAX0xffffffffffffffffUL | ||||
875 | #else | ||||
876 | #define YY_SIZE_MAX0xffffffffffffffffUL 0xffffffffU | ||||
877 | #endif | ||||
878 | if (newsize && YY_SIZE_MAX0xffffffffffffffffUL / newsize < sizeof *newss) | ||||
879 | goto bail; | ||||
880 | newss = (short *)realloc(yyss, newsize * sizeof *newss); | ||||
881 | if (newss == NULL((void *)0)) | ||||
882 | goto bail; | ||||
883 | yyss = newss; | ||||
884 | yyssp = newss + sslen; | ||||
885 | if (newsize
| ||||
886 | goto bail; | ||||
887 | newvs = (YYSTYPE *)realloc(yyvs, newsize * sizeof *newvs); | ||||
888 | if (newvs == NULL((void *)0)) | ||||
889 | goto bail; | ||||
890 | yyvs = newvs; | ||||
891 | yyvsp = newvs + sslen; | ||||
892 | yystacksize = newsize; | ||||
893 | yysslim = yyss + newsize - 1; | ||||
894 | return 0; | ||||
895 | bail: | ||||
896 | if (yyss) | ||||
897 | free(yyss); | ||||
898 | if (yyvs) | ||||
899 | free(yyvs); | ||||
900 | yyss = yyssp = NULL((void *)0); | ||||
901 | yyvs = yyvsp = NULL((void *)0); | ||||
902 | yystacksize = 0; | ||||
903 | return -1; | ||||
904 | } | ||||
905 | |||||
906 | #define YYABORTgoto yyabort goto yyabort | ||||
907 | #define YYREJECTgoto yyabort goto yyabort | ||||
908 | #define YYACCEPTgoto yyaccept goto yyaccept | ||||
909 | #define YYERRORgoto yyerrlab goto yyerrlab | ||||
910 | int | ||||
911 | yyparse(void) | ||||
912 | { | ||||
913 | int yym, yyn, yystate; | ||||
914 | #if YYDEBUG0 | ||||
915 | const char *yys; | ||||
916 | |||||
917 | if ((yys = getenv("YYDEBUG"))) | ||||
918 | { | ||||
919 | yyn = *yys; | ||||
920 | if (yyn >= '0' && yyn <= '9') | ||||
921 | yydebug = yyn - '0'; | ||||
922 | } | ||||
923 | #endif /* YYDEBUG */ | ||||
924 | |||||
925 | yynerrs = 0; | ||||
926 | yyerrflag = 0; | ||||
927 | yychar = (-1); | ||||
928 | |||||
929 | if (yyss == NULL((void *)0) && yygrowstack()) goto yyoverflow; | ||||
| |||||
930 | yyssp = yyss; | ||||
931 | yyvsp = yyvs; | ||||
932 | *yyssp = yystate = 0; | ||||
933 | |||||
934 | yyloop: | ||||
935 | if ((yyn = yydefred[yystate]) != 0) goto yyreduce; | ||||
936 | if (yychar
| ||||
937 | { | ||||
938 | if ((yychar = yylex()) < 0) yychar = 0; | ||||
939 | #if YYDEBUG0 | ||||
940 | if (yydebug) | ||||
941 | { | ||||
942 | yys = 0; | ||||
943 | if (yychar <= YYMAXTOKEN272) yys = yyname[yychar]; | ||||
944 | if (!yys) yys = "illegal-symbol"; | ||||
945 | printf("%sdebug: state %d, reading %d (%s)\n", | ||||
946 | YYPREFIX"yy", yystate, yychar, yys); | ||||
947 | } | ||||
948 | #endif | ||||
949 | } | ||||
950 | if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && | ||||
951 | yyn <= YYTABLESIZE261 && yycheck[yyn] == yychar) | ||||
952 | { | ||||
953 | #if YYDEBUG0 | ||||
954 | if (yydebug) | ||||
955 | printf("%sdebug: state %d, shifting to state %d\n", | ||||
956 | YYPREFIX"yy", yystate, yytable[yyn]); | ||||
957 | #endif | ||||
958 | if (yyssp >= yysslim && yygrowstack()) | ||||
959 | { | ||||
960 | goto yyoverflow; | ||||
961 | } | ||||
962 | *++yyssp = yystate = yytable[yyn]; | ||||
963 | *++yyvsp = yylval; | ||||
964 | yychar = (-1); | ||||
965 | if (yyerrflag > 0) --yyerrflag; | ||||
966 | goto yyloop; | ||||
967 | } | ||||
968 | if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 && | ||||
969 | yyn <= YYTABLESIZE261 && yycheck[yyn] == yychar) | ||||
970 | { | ||||
971 | yyn = yytable[yyn]; | ||||
972 | goto yyreduce; | ||||
973 | } | ||||
974 | if (yyerrflag) goto yyinrecovery; | ||||
975 | #if defined(__GNUC__4) | ||||
976 | goto yynewerror; | ||||
977 | #endif | ||||
978 | yynewerror: | ||||
979 | yyerror("syntax error"); | ||||
980 | #if defined(__GNUC__4) | ||||
981 | goto yyerrlab; | ||||
982 | #endif | ||||
983 | yyerrlab: | ||||
984 | ++yynerrs; | ||||
985 | yyinrecovery: | ||||
986 | if (yyerrflag < 3) | ||||
987 | { | ||||
988 | yyerrflag = 3; | ||||
989 | for (;;) | ||||
990 | { | ||||
991 | if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE256) >= 0 && | ||||
992 | yyn <= YYTABLESIZE261 && yycheck[yyn] == YYERRCODE256) | ||||
993 | { | ||||
994 | #if YYDEBUG0 | ||||
995 | if (yydebug) | ||||
996 | printf("%sdebug: state %d, error recovery shifting\ | ||||
997 | to state %d\n", YYPREFIX"yy", *yyssp, yytable[yyn]); | ||||
998 | #endif | ||||
999 | if (yyssp >= yysslim && yygrowstack()) | ||||
1000 | { | ||||
1001 | goto yyoverflow; | ||||
1002 | } | ||||
1003 | *++yyssp = yystate = yytable[yyn]; | ||||
1004 | *++yyvsp = yylval; | ||||
1005 | goto yyloop; | ||||
1006 | } | ||||
1007 | else | ||||
1008 | { | ||||
1009 | #if YYDEBUG0 | ||||
1010 | if (yydebug) | ||||
1011 | printf("%sdebug: error recovery discarding state %d\n", | ||||
1012 | YYPREFIX"yy", *yyssp); | ||||
1013 | #endif | ||||
1014 | if (yyssp <= yyss) goto yyabort; | ||||
1015 | --yyssp; | ||||
1016 | --yyvsp; | ||||
1017 | } | ||||
1018 | } | ||||
1019 | } | ||||
1020 | else | ||||
1021 | { | ||||
1022 | if (yychar == 0) goto yyabort; | ||||
1023 | #if YYDEBUG0 | ||||
1024 | if (yydebug) | ||||
1025 | { | ||||
1026 | yys = 0; | ||||
1027 | if (yychar <= YYMAXTOKEN272) yys = yyname[yychar]; | ||||
1028 | if (!yys) yys = "illegal-symbol"; | ||||
1029 | printf("%sdebug: state %d, error recovery discards token %d (%s)\n", | ||||
1030 | YYPREFIX"yy", yystate, yychar, yys); | ||||
1031 | } | ||||
1032 | #endif | ||||
1033 | yychar = (-1); | ||||
1034 | goto yyloop; | ||||
1035 | } | ||||
1036 | yyreduce: | ||||
1037 | #if YYDEBUG0 | ||||
1038 | if (yydebug) | ||||
1039 | printf("%sdebug: state %d, reducing by rule %d (%s)\n", | ||||
1040 | YYPREFIX"yy", yystate, yyn, yyrule[yyn]); | ||||
1041 | #endif | ||||
1042 | yym = yylen[yyn]; | ||||
1043 | if (yym
| ||||
1044 | yyval = yyvsp[1-yym]; | ||||
1045 | else | ||||
1046 | memset(&yyval, 0, sizeof yyval); | ||||
1047 | switch (yyn) | ||||
1048 | { | ||||
1049 | case 7: | ||||
1050 | #line 134 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1051 | { file->errors++; } | ||||
1052 | break; | ||||
1053 | case 8: | ||||
1054 | #line 137 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1055 | { | ||||
1056 | if (asprintf(&yyval.v.string, "%s %s", yyvsp[-1].v.string, yyvsp[0].v.string) == -1) { | ||||
1057 | free(yyvsp[-1].v.string); | ||||
1058 | free(yyvsp[0].v.string); | ||||
1059 | yyerror("string: asprintf"); | ||||
1060 | YYERRORgoto yyerrlab; | ||||
1061 | } | ||||
1062 | free(yyvsp[-1].v.string); | ||||
1063 | free(yyvsp[0].v.string); | ||||
1064 | } | ||||
1065 | break; | ||||
1066 | case 10: | ||||
1067 | #line 150 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1068 | { | ||||
1069 | if (!strcmp(yyvsp[0].v.string, "yes")) | ||||
1070 | yyval.v.number = 1; | ||||
1071 | else if (!strcmp(yyvsp[0].v.string, "no")) | ||||
1072 | yyval.v.number = 0; | ||||
1073 | else { | ||||
1074 | yyerror("syntax error, " | ||||
1075 | "either yes or no expected"); | ||||
1076 | free(yyvsp[0].v.string); | ||||
1077 | YYERRORgoto yyerrlab; | ||||
1078 | } | ||||
1079 | free(yyvsp[0].v.string); | ||||
1080 | } | ||||
1081 | break; | ||||
1082 | case 11: | ||||
1083 | #line 165 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1084 | { | ||||
1085 | char *s = yyvsp[-2].v.string; | ||||
1086 | if (conf->opts & DVMRPD_OPT_VERBOSE0x00000001) | ||||
1087 | printf("%s = \"%s\"\n", yyvsp[-2].v.string, yyvsp[0].v.string); | ||||
1088 | while (*s++) { | ||||
1089 | if (isspace((unsigned char)*s)) { | ||||
1090 | yyerror("macro name cannot contain " | ||||
1091 | "whitespace"); | ||||
1092 | free(yyvsp[-2].v.string); | ||||
1093 | free(yyvsp[0].v.string); | ||||
1094 | YYERRORgoto yyerrlab; | ||||
1095 | } | ||||
1096 | } | ||||
1097 | if (symset(yyvsp[-2].v.string, yyvsp[0].v.string, 0) == -1) | ||||
1098 | fatal("cannot store variable"); | ||||
1099 | free(yyvsp[-2].v.string); | ||||
1100 | free(yyvsp[0].v.string); | ||||
1101 | } | ||||
1102 | break; | ||||
1103 | case 12: | ||||
1104 | #line 185 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1105 | { | ||||
1106 | if (yyvsp[0].v.number == 0) | ||||
1107 | conf->flags |= DVMRPD_FLAG_NO_FIB_UPDATE0x0001; | ||||
1108 | else | ||||
1109 | conf->flags &= ~DVMRPD_FLAG_NO_FIB_UPDATE0x0001; | ||||
1110 | } | ||||
1111 | break; | ||||
1112 | case 14: | ||||
1113 | #line 194 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1114 | { | ||||
1115 | if (yyvsp[0].v.number < MIN_LAST_MEMBER_QUERY_CNT1 || | ||||
1116 | yyvsp[0].v.number > MAX_LAST_MEMBER_QUERY_CNT255) { | ||||
1117 | yyerror("last-member-query-count out of " | ||||
1118 | "range (%d-%d)", | ||||
1119 | MIN_LAST_MEMBER_QUERY_CNT1, | ||||
1120 | MAX_LAST_MEMBER_QUERY_CNT255); | ||||
1121 | YYERRORgoto yyerrlab; | ||||
1122 | } | ||||
1123 | defs->last_member_query_cnt = yyvsp[0].v.number; | ||||
1124 | } | ||||
1125 | break; | ||||
1126 | case 15: | ||||
1127 | #line 205 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1128 | { | ||||
1129 | if (yyvsp[0].v.number < MIN_LAST_MEMBER_QUERY_INTERVAL1 || | ||||
1130 | yyvsp[0].v.number > MAX_LAST_MEMBER_QUERY_INTERVAL65535) { | ||||
1131 | yyerror("last-member-query-interval out of " | ||||
1132 | "range (%d-%d)", | ||||
1133 | MIN_LAST_MEMBER_QUERY_INTERVAL1, | ||||
1134 | MAX_LAST_MEMBER_QUERY_INTERVAL65535); | ||||
1135 | YYERRORgoto yyerrlab; | ||||
1136 | } | ||||
1137 | defs->last_member_query_interval = yyvsp[0].v.number; | ||||
1138 | } | ||||
1139 | break; | ||||
1140 | case 16: | ||||
1141 | #line 216 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1142 | { | ||||
1143 | if (yyvsp[0].v.number < MIN_METRIC1 || yyvsp[0].v.number > MAX_METRIC31) { | ||||
1144 | yyerror("metric out of range (%d-%d)", | ||||
1145 | MIN_METRIC1, MAX_METRIC31); | ||||
1146 | YYERRORgoto yyerrlab; | ||||
1147 | } | ||||
1148 | defs->metric = yyvsp[0].v.number; | ||||
1149 | } | ||||
1150 | break; | ||||
1151 | case 17: | ||||
1152 | #line 224 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1153 | { | ||||
1154 | if (yyvsp[0].v.number < MIN_QUERY_INTERVAL1 || | ||||
1155 | yyvsp[0].v.number > MAX_QUERY_INTERVAL65535) { | ||||
1156 | yyerror("query-interval out of range (%d-%d)", | ||||
1157 | MIN_QUERY_INTERVAL1, MAX_QUERY_INTERVAL65535); | ||||
1158 | YYERRORgoto yyerrlab; | ||||
1159 | } | ||||
1160 | defs->query_interval = yyvsp[0].v.number; | ||||
1161 | } | ||||
1162 | break; | ||||
1163 | case 18: | ||||
1164 | #line 233 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1165 | { | ||||
1166 | if (yyvsp[0].v.number < MIN_QUERY_RESP_INTERVAL1 || | ||||
1167 | yyvsp[0].v.number > MAX_QUERY_RESP_INTERVAL65535) { | ||||
1168 | yyerror("query-response-interval out of " | ||||
1169 | "range (%d-%d)", | ||||
1170 | MIN_QUERY_RESP_INTERVAL1, | ||||
1171 | MAX_QUERY_RESP_INTERVAL65535); | ||||
1172 | YYERRORgoto yyerrlab; | ||||
1173 | } | ||||
1174 | defs->query_resp_interval = yyvsp[0].v.number; | ||||
1175 | } | ||||
1176 | break; | ||||
1177 | case 19: | ||||
1178 | #line 244 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1179 | { | ||||
1180 | if (yyvsp[0].v.number < MIN_ROBUSTNESS1 || yyvsp[0].v.number > MAX_ROBUSTNESS4) { | ||||
1181 | yyerror("robustness out of range (%d-%d)", | ||||
1182 | MIN_ROBUSTNESS1, MAX_ROBUSTNESS4); | ||||
1183 | YYERRORgoto yyerrlab; | ||||
1184 | } | ||||
1185 | defs->robustness = yyvsp[0].v.number; | ||||
1186 | } | ||||
1187 | break; | ||||
1188 | case 20: | ||||
1189 | #line 252 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1190 | { | ||||
1191 | if (yyvsp[0].v.number < MIN_STARTUP_QUERY_CNT1 || | ||||
1192 | yyvsp[0].v.number > MAX_STARTUP_QUERY_CNT4) { | ||||
1193 | yyerror("startup-query-count out of " | ||||
1194 | "range (%d-%d)", | ||||
1195 | MIN_STARTUP_QUERY_CNT1, | ||||
1196 | MAX_STARTUP_QUERY_CNT4); | ||||
1197 | YYERRORgoto yyerrlab; | ||||
1198 | } | ||||
1199 | defs->startup_query_cnt = yyvsp[0].v.number; | ||||
1200 | } | ||||
1201 | break; | ||||
1202 | case 21: | ||||
1203 | #line 263 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1204 | { | ||||
1205 | if (yyvsp[0].v.number < MIN_STARTUP_QUERY_INTERVAL1 || | ||||
1206 | yyvsp[0].v.number > MAX_STARTUP_QUERY_INTERVAL65535) { | ||||
1207 | yyerror("startup-query-interval out of " | ||||
1208 | "range (%d-%d)", | ||||
1209 | MIN_STARTUP_QUERY_INTERVAL1, | ||||
1210 | MAX_STARTUP_QUERY_INTERVAL65535); | ||||
1211 | YYERRORgoto yyerrlab; | ||||
1212 | } | ||||
1213 | defs->startup_query_interval = yyvsp[0].v.number; | ||||
1214 | } | ||||
1215 | break; | ||||
1216 | case 22: | ||||
1217 | #line 274 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1218 | { | ||||
1219 | if (yyvsp[0].v.number < MIN_IGMP_VERSION1 || | ||||
1220 | yyvsp[0].v.number > MAX_IGMP_VERSION2) { | ||||
1221 | yyerror("igmp-version out of range (%d-%d)", | ||||
1222 | MIN_IGMP_VERSION1, MAX_IGMP_VERSION2); | ||||
1223 | YYERRORgoto yyerrlab; | ||||
1224 | } | ||||
1225 | defs->igmp_version = yyvsp[0].v.number; | ||||
1226 | } | ||||
1227 | break; | ||||
1228 | case 26: | ||||
1229 | #line 292 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1230 | { | ||||
1231 | struct kif *kif; | ||||
1232 | |||||
1233 | if ((kif = kif_findname(yyvsp[0].v.string)) == NULL((void *)0)) { | ||||
1234 | yyerror("unknown interface %s", yyvsp[0].v.string); | ||||
1235 | free(yyvsp[0].v.string); | ||||
1236 | YYERRORgoto yyerrlab; | ||||
1237 | } | ||||
1238 | free(yyvsp[0].v.string); | ||||
1239 | iface = conf_get_if(kif); | ||||
1240 | if (iface == NULL((void *)0)) | ||||
1241 | YYERRORgoto yyerrlab; | ||||
1242 | LIST_INSERT_HEAD(&conf->iface_list, iface, entry)do { if (((iface)->entry.le_next = (&conf->iface_list )->lh_first) != ((void *)0)) (&conf->iface_list)-> lh_first->entry.le_prev = &(iface)->entry.le_next; ( &conf->iface_list)->lh_first = (iface); (iface)-> entry.le_prev = &(&conf->iface_list)->lh_first; } while (0); | ||||
1243 | |||||
1244 | memcpy(&ifacedefs, defs, sizeof(ifacedefs)); | ||||
1245 | defs = &ifacedefs; | ||||
1246 | } | ||||
1247 | break; | ||||
1248 | case 27: | ||||
1249 | #line 308 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1250 | { | ||||
1251 | iface->probe_interval = defs->probe_interval; | ||||
1252 | iface->query_interval = defs->query_interval; | ||||
1253 | iface->query_resp_interval = defs->query_resp_interval; | ||||
1254 | iface->startup_query_interval = | ||||
1255 | defs->startup_query_interval; | ||||
1256 | iface->startup_query_cnt = defs->startup_query_cnt; | ||||
1257 | iface->last_member_query_interval = | ||||
1258 | defs->last_member_query_interval; | ||||
1259 | iface->last_member_query_cnt = | ||||
1260 | defs->last_member_query_cnt; | ||||
1261 | iface->dead_interval = defs->dead_interval; | ||||
1262 | iface->metric = defs->metric; | ||||
1263 | iface->robustness = defs->robustness; | ||||
1264 | iface->igmp_version = defs->igmp_version; | ||||
1265 | if (grdefs) | ||||
1266 | defs = grdefs; | ||||
1267 | else | ||||
1268 | defs = &globaldefs; | ||||
1269 | iface = NULL((void *)0); | ||||
1270 | } | ||||
1271 | break; | ||||
1272 | case 33: | ||||
1273 | #line 340 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1274 | { iface->passive = 1; } | ||||
1275 | break; | ||||
1276 | case 35: | ||||
1277 | #line 344 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1278 | { | ||||
1279 | memcpy(&groupdefs, defs, sizeof(groupdefs)); | ||||
1280 | grdefs = defs = &groupdefs; | ||||
1281 | } | ||||
1282 | break; | ||||
1283 | case 36: | ||||
1284 | #line 348 "/usr/src/usr.sbin/dvmrpd/parse.y" | ||||
1285 | { | ||||
1286 | grdefs = NULL((void *)0); | ||||
1287 | defs = &globaldefs; | ||||
1288 | } | ||||
1289 | break; | ||||
1290 | #line 1283 "parse.c" | ||||
1291 | } | ||||
1292 | yyssp -= yym; | ||||
1293 | yystate = *yyssp; | ||||
1294 | yyvsp -= yym; | ||||
1295 | yym = yylhs[yyn]; | ||||
1296 | if (yystate
| ||||
1297 | { | ||||
1298 | #if YYDEBUG0 | ||||
1299 | if (yydebug) | ||||
1300 | printf("%sdebug: after reduction, shifting from state 0 to\ | ||||
1301 | state %d\n", YYPREFIX"yy", YYFINAL1); | ||||
1302 | #endif | ||||
1303 | yystate = YYFINAL1; | ||||
1304 | *++yyssp = YYFINAL1; | ||||
1305 | *++yyvsp = yyval; | ||||
1306 | if (yychar
| ||||
1307 | { | ||||
1308 | if ((yychar = yylex()) < 0) yychar = 0; | ||||
1309 | #if YYDEBUG0 | ||||
1310 | if (yydebug) | ||||
1311 | { | ||||
1312 | yys = 0; | ||||
1313 | if (yychar <= YYMAXTOKEN272) yys = yyname[yychar]; | ||||
1314 | if (!yys) yys = "illegal-symbol"; | ||||
1315 | printf("%sdebug: state %d, reading %d (%s)\n", | ||||
1316 | YYPREFIX"yy", YYFINAL1, yychar, yys); | ||||
1317 | } | ||||
1318 | #endif | ||||
1319 | } | ||||
1320 | if (yychar == 0) goto yyaccept; | ||||
1321 | goto yyloop; | ||||
1322 | } | ||||
1323 | if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && | ||||
1324 | yyn <= YYTABLESIZE261 && yycheck[yyn] == yystate) | ||||
1325 | yystate = yytable[yyn]; | ||||
1326 | else | ||||
1327 | yystate = yydgoto[yym]; | ||||
1328 | #if YYDEBUG0 | ||||
1329 | if (yydebug) | ||||
1330 | printf("%sdebug: after reduction, shifting from state %d \ | ||||
1331 | to state %d\n", YYPREFIX"yy", *yyssp, yystate); | ||||
1332 | #endif | ||||
1333 | if (yyssp >= yysslim && yygrowstack()) | ||||
1334 | { | ||||
1335 | goto yyoverflow; | ||||
1336 | } | ||||
1337 | *++yyssp = yystate; | ||||
| |||||
1338 | *++yyvsp = yyval; | ||||
1339 | goto yyloop; | ||||
1340 | yyoverflow: | ||||
1341 | yyerror("yacc stack overflow"); | ||||
1342 | yyabort: | ||||
1343 | if (yyss) | ||||
1344 | free(yyss); | ||||
1345 | if (yyvs) | ||||
1346 | free(yyvs); | ||||
1347 | yyss = yyssp = NULL((void *)0); | ||||
1348 | yyvs = yyvsp = NULL((void *)0); | ||||
1349 | yystacksize = 0; | ||||
1350 | return (1); | ||||
1351 | yyaccept: | ||||
1352 | if (yyss) | ||||
1353 | free(yyss); | ||||
1354 | if (yyvs) | ||||
1355 | free(yyvs); | ||||
1356 | yyss = yyssp = NULL((void *)0); | ||||
1357 | yyvs = yyvsp = NULL((void *)0); | ||||
1358 | yystacksize = 0; | ||||
1359 | return (0); | ||||
1360 | } |