1 2c251c14 2020-01-15 tracey /*
  2 c34ec417 2020-06-22 tracey  * Copyright (c) 2019, 2020 Tracey Emery <tracey@openbsd.org>
  3 c34ec417 2020-06-22 tracey  * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
  4 c34ec417 2020-06-22 tracey  * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
  5 2c251c14 2020-01-15 tracey  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
  6 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  7 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
  8 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
  9 2c251c14 2020-01-15 tracey  *
 10 2c251c14 2020-01-15 tracey  * Permission to use, copy, modify, and distribute this software for any
 11 2c251c14 2020-01-15 tracey  * purpose with or without fee is hereby granted, provided that the above
 12 2c251c14 2020-01-15 tracey  * copyright notice and this permission notice appear in all copies.
 13 2c251c14 2020-01-15 tracey  *
 14 2c251c14 2020-01-15 tracey  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 15 2c251c14 2020-01-15 tracey  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 16 2c251c14 2020-01-15 tracey  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 17 2c251c14 2020-01-15 tracey  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 18 2c251c14 2020-01-15 tracey  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 19 2c251c14 2020-01-15 tracey  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 20 2c251c14 2020-01-15 tracey  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 21 2c251c14 2020-01-15 tracey  */
 22 2c251c14 2020-01-15 tracey 
 23 2c251c14 2020-01-15 tracey %{
 24 2c251c14 2020-01-15 tracey #include <sys/types.h>
 25 2c251c14 2020-01-15 tracey #include <sys/queue.h>
 26 2c251c14 2020-01-15 tracey 
 27 2c251c14 2020-01-15 tracey #include <ctype.h>
 28 2c251c14 2020-01-15 tracey #include <err.h>
 29 2c251c14 2020-01-15 tracey #include <limits.h>
 30 2c251c14 2020-01-15 tracey #include <stdarg.h>
 31 2c251c14 2020-01-15 tracey #include <stdio.h>
 32 cad0b9e8 2020-09-25 naddy #include <stdlib.h>
 33 2c251c14 2020-01-15 tracey #include <string.h>
 34 2c251c14 2020-01-15 tracey 
 35 c34ec417 2020-06-22 tracey #include "got_error.h"
 36 2c251c14 2020-01-15 tracey #include "gotweb.h"
 37 2c251c14 2020-01-15 tracey 
 38 2c251c14 2020-01-15 tracey TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
 39 2c251c14 2020-01-15 tracey static struct file {
 40 2c251c14 2020-01-15 tracey 	TAILQ_ENTRY(file)	 entry;
 41 2c251c14 2020-01-15 tracey 	FILE			*stream;
 42 2c251c14 2020-01-15 tracey 	char			*name;
 43 c34ec417 2020-06-22 tracey 	size_t	 		 ungetpos;
 44 c34ec417 2020-06-22 tracey 	size_t			 ungetsize;
 45 c34ec417 2020-06-22 tracey 	u_char			*ungetbuf;
 46 c34ec417 2020-06-22 tracey 	int			 eof_reached;
 47 2c251c14 2020-01-15 tracey 	int			 lineno;
 48 2c251c14 2020-01-15 tracey } *file, *topfile;
 49 c34ec417 2020-06-22 tracey static const struct got_error*	pushfile(struct file**, const char *);
 50 2c251c14 2020-01-15 tracey int		 popfile(void);
 51 2c251c14 2020-01-15 tracey int		 yyparse(void);
 52 2c251c14 2020-01-15 tracey int		 yylex(void);
 53 2c251c14 2020-01-15 tracey int		 yyerror(const char *, ...)
 54 2c251c14 2020-01-15 tracey     __attribute__((__format__ (printf, 1, 2)))
 55 2c251c14 2020-01-15 tracey     __attribute__((__nonnull__ (1)));
 56 2c251c14 2020-01-15 tracey int		 kw_cmp(const void *, const void *);
 57 2c251c14 2020-01-15 tracey int		 lookup(char *);
 58 c34ec417 2020-06-22 tracey int		 igetc(void);
 59 2c251c14 2020-01-15 tracey int		 lgetc(int);
 60 c34ec417 2020-06-22 tracey void		 lungetc(int);
 61 2c251c14 2020-01-15 tracey int		 findeol(void);
 62 2c251c14 2020-01-15 tracey 
 63 c34ec417 2020-06-22 tracey TAILQ_HEAD(symhead, sym)	 symhead = TAILQ_HEAD_INITIALIZER(symhead);
 64 c34ec417 2020-06-22 tracey struct sym {
 65 c34ec417 2020-06-22 tracey 	TAILQ_ENTRY(sym)	 entry;
 66 c34ec417 2020-06-22 tracey 	int			 used;
 67 c34ec417 2020-06-22 tracey 	int			 persist;
 68 c34ec417 2020-06-22 tracey 	char			*nam;
 69 c34ec417 2020-06-22 tracey 	char			*val;
 70 c34ec417 2020-06-22 tracey };
 71 2c251c14 2020-01-15 tracey 
 72 c34ec417 2020-06-22 tracey int	 symset(const char *, const char *, int);
 73 c34ec417 2020-06-22 tracey char	*symget(const char *);
 74 2c251c14 2020-01-15 tracey 
 75 c34ec417 2020-06-22 tracey const struct got_error* gerror = NULL;
 76 f71c0a3a 2020-06-23 tracey struct gotweb_config		*gw_conf;
 77 c34ec417 2020-06-22 tracey 
 78 2c251c14 2020-01-15 tracey typedef struct {
 79 2c251c14 2020-01-15 tracey 	union {
 80 c34ec417 2020-06-22 tracey 		int64_t		 number;
 81 c34ec417 2020-06-22 tracey 		char		*string;
 82 2c251c14 2020-01-15 tracey 	} v;
 83 2c251c14 2020-01-15 tracey 	int lineno;
 84 2c251c14 2020-01-15 tracey } YYSTYPE;
 85 2c251c14 2020-01-15 tracey 
 86 2c251c14 2020-01-15 tracey %}
 87 2c251c14 2020-01-15 tracey 
 88 2c251c14 2020-01-15 tracey %token	GOT_WWW_PATH GOT_MAX_REPOS GOT_SITE_NAME GOT_SITE_OWNER GOT_SITE_LINK
 89 2c251c14 2020-01-15 tracey %token	GOT_LOGO GOT_LOGO_URL GOT_SHOW_REPO_OWNER GOT_SHOW_REPO_AGE
 90 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_DESCRIPTION GOT_MAX_REPOS_DISPLAY GOT_REPOS_PATH
 91 a03d32e0 2020-11-09 tracey %token	GOT_MAX_COMMITS_DISPLAY ERROR GOT_SHOW_SITE_OWNER
 92 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_CLONEURL
 93 c34ec417 2020-06-22 tracey %token	<v.string>	STRING
 94 c34ec417 2020-06-22 tracey %token	<v.number>	NUMBER
 95 c34ec417 2020-06-22 tracey %type	<v.number>	boolean
 96 2c251c14 2020-01-15 tracey %%
 97 2c251c14 2020-01-15 tracey 
 98 2c251c14 2020-01-15 tracey grammar		: /* empty */
 99 2c251c14 2020-01-15 tracey 		| grammar '\n'
100 2c251c14 2020-01-15 tracey 		| grammar main '\n'
101 2c251c14 2020-01-15 tracey 		;
102 2c251c14 2020-01-15 tracey 
103 c34ec417 2020-06-22 tracey boolean		: STRING {
104 2c251c14 2020-01-15 tracey 			if (strcasecmp($1, "true") == 0 ||
105 a03d32e0 2020-11-09 tracey 			    strcasecmp($1, "on") == 0 ||
106 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "yes") == 0)
107 2c251c14 2020-01-15 tracey 				$$ = 1;
108 2c251c14 2020-01-15 tracey 			else if (strcasecmp($1, "false") == 0 ||
109 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "off") == 0 ||
110 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "no") == 0)
111 2c251c14 2020-01-15 tracey 				$$ = 0;
112 2c251c14 2020-01-15 tracey 			else {
113 2c251c14 2020-01-15 tracey 				yyerror("invalid boolean value '%s'", $1);
114 2c251c14 2020-01-15 tracey 				free($1);
115 2c251c14 2020-01-15 tracey 				YYERROR;
116 2c251c14 2020-01-15 tracey 			}
117 2c251c14 2020-01-15 tracey 			free($1);
118 2c251c14 2020-01-15 tracey 		}
119 2c251c14 2020-01-15 tracey 		;
120 2c251c14 2020-01-15 tracey main		: GOT_REPOS_PATH STRING {
121 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_repos_path = $2;
122 54415d85 2020-01-15 tracey 		}
123 9f6f3943 2020-09-24 tracey 		| GOT_WWW_PATH STRING {
124 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_www_path = $2;
125 9f6f3943 2020-09-24 tracey 		}
126 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS NUMBER {
127 2c251c14 2020-01-15 tracey 			if ($2 > 0)
128 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_repos = $2;
129 2c251c14 2020-01-15 tracey 		}
130 2c251c14 2020-01-15 tracey 		| GOT_SITE_NAME STRING {
131 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_name = $2;
132 2c251c14 2020-01-15 tracey 		}
133 2c251c14 2020-01-15 tracey 		| GOT_SITE_OWNER STRING {
134 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_owner = $2;
135 2c251c14 2020-01-15 tracey 		}
136 2c251c14 2020-01-15 tracey 		| GOT_SITE_LINK STRING {
137 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_link = $2;
138 2c251c14 2020-01-15 tracey 		}
139 2c251c14 2020-01-15 tracey 		| GOT_LOGO STRING {
140 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_logo = $2;
141 2c251c14 2020-01-15 tracey 		}
142 2c251c14 2020-01-15 tracey 		| GOT_LOGO_URL STRING {
143 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_logo_url = $2;
144 2c251c14 2020-01-15 tracey 		}
145 2c251c14 2020-01-15 tracey 		| GOT_SHOW_SITE_OWNER boolean {
146 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_site_owner = $2;
147 2c251c14 2020-01-15 tracey 		}
148 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_OWNER boolean {
149 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_owner = $2;
150 2c251c14 2020-01-15 tracey 		}
151 c34ec417 2020-06-22 tracey 		| GOT_SHOW_REPO_AGE boolean {
152 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_age = $2;
153 c34ec417 2020-06-22 tracey 		}
154 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_DESCRIPTION boolean {
155 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_description = $2;
156 2c251c14 2020-01-15 tracey 		}
157 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_CLONEURL boolean {
158 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_cloneurl = $2;
159 2c251c14 2020-01-15 tracey 		}
160 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS_DISPLAY NUMBER {
161 2c251c14 2020-01-15 tracey 			if ($2 > 0)
162 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_repos_display = $2;
163 2c251c14 2020-01-15 tracey 		}
164 2c251c14 2020-01-15 tracey 		| GOT_MAX_COMMITS_DISPLAY NUMBER {
165 2c251c14 2020-01-15 tracey 			if ($2 > 0)
166 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_commits_display = $2;
167 2c251c14 2020-01-15 tracey 		}
168 54415d85 2020-01-15 tracey 		;
169 2c251c14 2020-01-15 tracey %%
170 2c251c14 2020-01-15 tracey 
171 2c251c14 2020-01-15 tracey struct keywords {
172 2c251c14 2020-01-15 tracey 	const char	*k_name;
173 2c251c14 2020-01-15 tracey 	int		 k_val;
174 2c251c14 2020-01-15 tracey };
175 2c251c14 2020-01-15 tracey 
176 2c251c14 2020-01-15 tracey int
177 2c251c14 2020-01-15 tracey yyerror(const char *fmt, ...)
178 2c251c14 2020-01-15 tracey {
179 2c251c14 2020-01-15 tracey 	va_list		 ap;
180 c34ec417 2020-06-22 tracey 	char		*msg;
181 c34ec417 2020-06-22 tracey 	char		*err = NULL;
182 2c251c14 2020-01-15 tracey 
183 2c251c14 2020-01-15 tracey 	va_start(ap, fmt);
184 c34ec417 2020-06-22 tracey 	if (vasprintf(&msg, fmt, ap) == -1) {
185 c34ec417 2020-06-22 tracey 		gerror =  got_error_from_errno("vasprintf");
186 c34ec417 2020-06-22 tracey 		return 0;
187 c34ec417 2020-06-22 tracey 	}
188 2c251c14 2020-01-15 tracey 	va_end(ap);
189 c34ec417 2020-06-22 tracey 	if (asprintf(&err, "%s:%d: %s", file->name, yylval.lineno, msg) == -1) {
190 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("asprintf");
191 c34ec417 2020-06-22 tracey 		return(0);
192 c34ec417 2020-06-22 tracey 	}
193 c2d7bc3f 2021-08-31 stsp 	gerror = got_error_msg(GOT_ERR_PARSE_CONFIG, err);
194 2c251c14 2020-01-15 tracey 	free(msg);
195 c34ec417 2020-06-22 tracey 	return(0);
196 2c251c14 2020-01-15 tracey }
197 2c251c14 2020-01-15 tracey 
198 2c251c14 2020-01-15 tracey int
199 2c251c14 2020-01-15 tracey kw_cmp(const void *k, const void *e)
200 2c251c14 2020-01-15 tracey {
201 2c251c14 2020-01-15 tracey 	return (strcmp(k, ((const struct keywords *)e)->k_name));
202 2c251c14 2020-01-15 tracey }
203 2c251c14 2020-01-15 tracey 
204 2c251c14 2020-01-15 tracey int
205 2c251c14 2020-01-15 tracey lookup(char *s)
206 2c251c14 2020-01-15 tracey {
207 c34ec417 2020-06-22 tracey 	/* This has to be sorted always. */
208 2c251c14 2020-01-15 tracey 	static const struct keywords keywords[] = {
209 2c251c14 2020-01-15 tracey 		{ "got_logo",			GOT_LOGO },
210 2c251c14 2020-01-15 tracey 		{ "got_logo_url",		GOT_LOGO_URL },
211 2c251c14 2020-01-15 tracey 		{ "got_max_commits_display",	GOT_MAX_COMMITS_DISPLAY },
212 2c251c14 2020-01-15 tracey 		{ "got_max_repos",		GOT_MAX_REPOS },
213 2c251c14 2020-01-15 tracey 		{ "got_max_repos_display",	GOT_MAX_REPOS_DISPLAY },
214 2c251c14 2020-01-15 tracey 		{ "got_repos_path",		GOT_REPOS_PATH },
215 2c251c14 2020-01-15 tracey 		{ "got_show_repo_age",		GOT_SHOW_REPO_AGE },
216 2c251c14 2020-01-15 tracey 		{ "got_show_repo_cloneurl",	GOT_SHOW_REPO_CLONEURL },
217 2c251c14 2020-01-15 tracey 		{ "got_show_repo_description",	GOT_SHOW_REPO_DESCRIPTION },
218 2c251c14 2020-01-15 tracey 		{ "got_show_repo_owner",	GOT_SHOW_REPO_OWNER },
219 2c251c14 2020-01-15 tracey 		{ "got_show_site_owner",	GOT_SHOW_SITE_OWNER },
220 2c251c14 2020-01-15 tracey 		{ "got_site_link",		GOT_SITE_LINK },
221 2c251c14 2020-01-15 tracey 		{ "got_site_name",		GOT_SITE_NAME },
222 2c251c14 2020-01-15 tracey 		{ "got_site_owner",		GOT_SITE_OWNER },
223 9f6f3943 2020-09-24 tracey 		{ "got_www_path",		GOT_WWW_PATH },
224 2c251c14 2020-01-15 tracey 	};
225 2c251c14 2020-01-15 tracey 	const struct keywords	*p;
226 2c251c14 2020-01-15 tracey 
227 2c251c14 2020-01-15 tracey 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
228 2c251c14 2020-01-15 tracey 	    sizeof(keywords[0]), kw_cmp);
229 2c251c14 2020-01-15 tracey 
230 2c251c14 2020-01-15 tracey 	if (p)
231 2c251c14 2020-01-15 tracey 		return (p->k_val);
232 2c251c14 2020-01-15 tracey 	else
233 2c251c14 2020-01-15 tracey 		return (STRING);
234 2c251c14 2020-01-15 tracey }
235 2c251c14 2020-01-15 tracey 
236 c34ec417 2020-06-22 tracey #define START_EXPAND	1
237 c34ec417 2020-06-22 tracey #define DONE_EXPAND	2
238 2c251c14 2020-01-15 tracey 
239 c34ec417 2020-06-22 tracey static int	expanding;
240 2c251c14 2020-01-15 tracey 
241 2c251c14 2020-01-15 tracey int
242 c34ec417 2020-06-22 tracey igetc(void)
243 2c251c14 2020-01-15 tracey {
244 c34ec417 2020-06-22 tracey 	int	c;
245 2c251c14 2020-01-15 tracey 
246 c34ec417 2020-06-22 tracey 	while (1) {
247 c34ec417 2020-06-22 tracey 		if (file->ungetpos > 0)
248 c34ec417 2020-06-22 tracey 			c = file->ungetbuf[--file->ungetpos];
249 c34ec417 2020-06-22 tracey 		else
250 c34ec417 2020-06-22 tracey 			c = getc(file->stream);
251 c34ec417 2020-06-22 tracey 
252 c34ec417 2020-06-22 tracey 		if (c == START_EXPAND)
253 c34ec417 2020-06-22 tracey 			expanding = 1;
254 c34ec417 2020-06-22 tracey 		else if (c == DONE_EXPAND)
255 c34ec417 2020-06-22 tracey 			expanding = 0;
256 c34ec417 2020-06-22 tracey 		else
257 c34ec417 2020-06-22 tracey 			break;
258 2c251c14 2020-01-15 tracey 	}
259 c34ec417 2020-06-22 tracey 	return (c);
260 c34ec417 2020-06-22 tracey }
261 2c251c14 2020-01-15 tracey 
262 c34ec417 2020-06-22 tracey int
263 c34ec417 2020-06-22 tracey lgetc(int quotec)
264 c34ec417 2020-06-22 tracey {
265 c34ec417 2020-06-22 tracey 	int		c, next;
266 2c251c14 2020-01-15 tracey 
267 2c251c14 2020-01-15 tracey 	if (quotec) {
268 c34ec417 2020-06-22 tracey 		if ((c = igetc()) == EOF) {
269 2c251c14 2020-01-15 tracey 			yyerror("reached end of file while parsing "
270 2c251c14 2020-01-15 tracey 			    "quoted string");
271 2c251c14 2020-01-15 tracey 			if (file == topfile || popfile() == EOF)
272 2c251c14 2020-01-15 tracey 				return (EOF);
273 2c251c14 2020-01-15 tracey 			return (quotec);
274 2c251c14 2020-01-15 tracey 		}
275 2c251c14 2020-01-15 tracey 		return (c);
276 2c251c14 2020-01-15 tracey 	}
277 2c251c14 2020-01-15 tracey 
278 c34ec417 2020-06-22 tracey 	while ((c = igetc()) == '\\') {
279 c34ec417 2020-06-22 tracey 		next = igetc();
280 2c251c14 2020-01-15 tracey 		if (next != '\n') {
281 2c251c14 2020-01-15 tracey 			c = next;
282 2c251c14 2020-01-15 tracey 			break;
283 2c251c14 2020-01-15 tracey 		}
284 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
285 2c251c14 2020-01-15 tracey 		file->lineno++;
286 2c251c14 2020-01-15 tracey 	}
287 2c251c14 2020-01-15 tracey 
288 c34ec417 2020-06-22 tracey 	if (c == EOF) {
289 c34ec417 2020-06-22 tracey 		/*
290 c34ec417 2020-06-22 tracey 		 * Fake EOL when hit EOF for the first time. This gets line
291 c34ec417 2020-06-22 tracey 		 * count right if last line in included file is syntactically
292 c34ec417 2020-06-22 tracey 		 * invalid and has no newline.
293 c34ec417 2020-06-22 tracey 		 */
294 c34ec417 2020-06-22 tracey 		if (file->eof_reached == 0) {
295 c34ec417 2020-06-22 tracey 			file->eof_reached = 1;
296 c34ec417 2020-06-22 tracey 			return ('\n');
297 c34ec417 2020-06-22 tracey 		}
298 c34ec417 2020-06-22 tracey 		while (c == EOF) {
299 c34ec417 2020-06-22 tracey 			if (file == topfile || popfile() == EOF)
300 c34ec417 2020-06-22 tracey 				return (EOF);
301 c34ec417 2020-06-22 tracey 			c = igetc();
302 c34ec417 2020-06-22 tracey 		}
303 2c251c14 2020-01-15 tracey 	}
304 2c251c14 2020-01-15 tracey 	return (c);
305 2c251c14 2020-01-15 tracey }
306 2c251c14 2020-01-15 tracey 
307 c34ec417 2020-06-22 tracey void
308 2c251c14 2020-01-15 tracey lungetc(int c)
309 2c251c14 2020-01-15 tracey {
310 2c251c14 2020-01-15 tracey 	if (c == EOF)
311 c34ec417 2020-06-22 tracey 		return;
312 c34ec417 2020-06-22 tracey 
313 c34ec417 2020-06-22 tracey 	if (file->ungetpos >= file->ungetsize) {
314 c34ec417 2020-06-22 tracey 		void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
315 c34ec417 2020-06-22 tracey 		if (p == NULL)
316 c34ec417 2020-06-22 tracey 			err(1, "%s", __func__);
317 c34ec417 2020-06-22 tracey 		file->ungetbuf = p;
318 c34ec417 2020-06-22 tracey 		file->ungetsize *= 2;
319 2c251c14 2020-01-15 tracey 	}
320 c34ec417 2020-06-22 tracey 	file->ungetbuf[file->ungetpos++] = c;
321 2c251c14 2020-01-15 tracey }
322 2c251c14 2020-01-15 tracey 
323 2c251c14 2020-01-15 tracey int
324 2c251c14 2020-01-15 tracey findeol(void)
325 2c251c14 2020-01-15 tracey {
326 2c251c14 2020-01-15 tracey 	int	c;
327 2c251c14 2020-01-15 tracey 
328 c34ec417 2020-06-22 tracey 	/* Skip to either EOF or the first real EOL. */
329 2c251c14 2020-01-15 tracey 	while (1) {
330 c34ec417 2020-06-22 tracey 		c = lgetc(0);
331 2c251c14 2020-01-15 tracey 		if (c == '\n') {
332 2c251c14 2020-01-15 tracey 			file->lineno++;
333 2c251c14 2020-01-15 tracey 			break;
334 2c251c14 2020-01-15 tracey 		}
335 2c251c14 2020-01-15 tracey 		if (c == EOF)
336 2c251c14 2020-01-15 tracey 			break;
337 2c251c14 2020-01-15 tracey 	}
338 2c251c14 2020-01-15 tracey 	return (ERROR);
339 2c251c14 2020-01-15 tracey }
340 2c251c14 2020-01-15 tracey 
341 2c251c14 2020-01-15 tracey int
342 2c251c14 2020-01-15 tracey yylex(void)
343 2c251c14 2020-01-15 tracey {
344 d683c314 2021-09-29 naddy 	char	 buf[8096];
345 d683c314 2021-09-29 naddy 	char	*p, *val;
346 d683c314 2021-09-29 naddy 	int	 quotec, next, c;
347 d683c314 2021-09-29 naddy 	int	 token;
348 2c251c14 2020-01-15 tracey 
349 c34ec417 2020-06-22 tracey top:
350 2c251c14 2020-01-15 tracey 	p = buf;
351 2c251c14 2020-01-15 tracey 	while ((c = lgetc(0)) == ' ' || c == '\t')
352 2c251c14 2020-01-15 tracey 		; /* nothing */
353 2c251c14 2020-01-15 tracey 
354 2c251c14 2020-01-15 tracey 	yylval.lineno = file->lineno;
355 2c251c14 2020-01-15 tracey 	if (c == '#')
356 2c251c14 2020-01-15 tracey 		while ((c = lgetc(0)) != '\n' && c != EOF)
357 2c251c14 2020-01-15 tracey 			; /* nothing */
358 c34ec417 2020-06-22 tracey 	if (c == '$' && !expanding) {
359 c34ec417 2020-06-22 tracey 		while (1) {
360 c34ec417 2020-06-22 tracey 			if ((c = lgetc(0)) == EOF)
361 c34ec417 2020-06-22 tracey 				return (0);
362 2c251c14 2020-01-15 tracey 
363 c34ec417 2020-06-22 tracey 			if (p + 1 >= buf + sizeof(buf) - 1) {
364 c34ec417 2020-06-22 tracey 				yyerror("string too long");
365 c34ec417 2020-06-22 tracey 				return (findeol());
366 c34ec417 2020-06-22 tracey 			}
367 c34ec417 2020-06-22 tracey 			if (isalnum(c) || c == '_') {
368 c34ec417 2020-06-22 tracey 				*p++ = c;
369 c34ec417 2020-06-22 tracey 				continue;
370 c34ec417 2020-06-22 tracey 			}
371 c34ec417 2020-06-22 tracey 			*p = '\0';
372 c34ec417 2020-06-22 tracey 			lungetc(c);
373 c34ec417 2020-06-22 tracey 			break;
374 c34ec417 2020-06-22 tracey 		}
375 c34ec417 2020-06-22 tracey 		val = symget(buf);
376 c34ec417 2020-06-22 tracey 		if (val == NULL) {
377 c34ec417 2020-06-22 tracey 			yyerror("macro '%s' not defined", buf);
378 c34ec417 2020-06-22 tracey 			return (findeol());
379 c34ec417 2020-06-22 tracey 		}
380 c34ec417 2020-06-22 tracey 		p = val + strlen(val) - 1;
381 c34ec417 2020-06-22 tracey 		lungetc(DONE_EXPAND);
382 c34ec417 2020-06-22 tracey 		while (p >= val) {
383 0c82d267 2021-10-15 naddy 			lungetc((unsigned char)*p);
384 c34ec417 2020-06-22 tracey 			p--;
385 c34ec417 2020-06-22 tracey 		}
386 c34ec417 2020-06-22 tracey 		lungetc(START_EXPAND);
387 c34ec417 2020-06-22 tracey 		goto top;
388 c34ec417 2020-06-22 tracey 	}
389 c34ec417 2020-06-22 tracey 
390 2c251c14 2020-01-15 tracey 	switch (c) {
391 2c251c14 2020-01-15 tracey 	case '\'':
392 2c251c14 2020-01-15 tracey 	case '"':
393 2c251c14 2020-01-15 tracey 		quotec = c;
394 2c251c14 2020-01-15 tracey 		while (1) {
395 2c251c14 2020-01-15 tracey 			if ((c = lgetc(quotec)) == EOF)
396 2c251c14 2020-01-15 tracey 				return (0);
397 2c251c14 2020-01-15 tracey 			if (c == '\n') {
398 2c251c14 2020-01-15 tracey 				file->lineno++;
399 2c251c14 2020-01-15 tracey 				continue;
400 2c251c14 2020-01-15 tracey 			} else if (c == '\\') {
401 2c251c14 2020-01-15 tracey 				if ((next = lgetc(quotec)) == EOF)
402 2c251c14 2020-01-15 tracey 					return (0);
403 c34ec417 2020-06-22 tracey 				if (next == quotec || c == ' ' || c == '\t')
404 2c251c14 2020-01-15 tracey 					c = next;
405 2c251c14 2020-01-15 tracey 				else if (next == '\n') {
406 2c251c14 2020-01-15 tracey 					file->lineno++;
407 2c251c14 2020-01-15 tracey 					continue;
408 2c251c14 2020-01-15 tracey 				} else
409 2c251c14 2020-01-15 tracey 					lungetc(next);
410 2c251c14 2020-01-15 tracey 			} else if (c == quotec) {
411 2c251c14 2020-01-15 tracey 				*p = '\0';
412 2c251c14 2020-01-15 tracey 				break;
413 2c251c14 2020-01-15 tracey 			} else if (c == '\0') {
414 2c251c14 2020-01-15 tracey 				yyerror("syntax error");
415 2c251c14 2020-01-15 tracey 				return (findeol());
416 2c251c14 2020-01-15 tracey 			}
417 2c251c14 2020-01-15 tracey 			if (p + 1 >= buf + sizeof(buf) - 1) {
418 2c251c14 2020-01-15 tracey 				yyerror("string too long");
419 2c251c14 2020-01-15 tracey 				return (findeol());
420 2c251c14 2020-01-15 tracey 			}
421 2c251c14 2020-01-15 tracey 			*p++ = c;
422 2c251c14 2020-01-15 tracey 		}
423 2c251c14 2020-01-15 tracey 		yylval.v.string = strdup(buf);
424 2c251c14 2020-01-15 tracey 		if (yylval.v.string == NULL)
425 c34ec417 2020-06-22 tracey 			err(1, "%s", __func__);
426 2c251c14 2020-01-15 tracey 		return (STRING);
427 2c251c14 2020-01-15 tracey 	}
428 2c251c14 2020-01-15 tracey 
429 2c251c14 2020-01-15 tracey #define allowed_to_end_number(x) \
430 2c251c14 2020-01-15 tracey 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
431 2c251c14 2020-01-15 tracey 
432 2c251c14 2020-01-15 tracey 	if (c == '-' || isdigit(c)) {
433 2c251c14 2020-01-15 tracey 		do {
434 2c251c14 2020-01-15 tracey 			*p++ = c;
435 5d8cbca3 2021-09-29 naddy 			if ((size_t)(p-buf) >= sizeof(buf)) {
436 2c251c14 2020-01-15 tracey 				yyerror("string too long");
437 2c251c14 2020-01-15 tracey 				return (findeol());
438 2c251c14 2020-01-15 tracey 			}
439 2c251c14 2020-01-15 tracey 		} while ((c = lgetc(0)) != EOF && isdigit(c));
440 2c251c14 2020-01-15 tracey 		lungetc(c);
441 2c251c14 2020-01-15 tracey 		if (p == buf + 1 && buf[0] == '-')
442 2c251c14 2020-01-15 tracey 			goto nodigits;
443 2c251c14 2020-01-15 tracey 		if (c == EOF || allowed_to_end_number(c)) {
444 2c251c14 2020-01-15 tracey 			const char *errstr = NULL;
445 2c251c14 2020-01-15 tracey 
446 2c251c14 2020-01-15 tracey 			*p = '\0';
447 2c251c14 2020-01-15 tracey 			yylval.v.number = strtonum(buf, LLONG_MIN,
448 2c251c14 2020-01-15 tracey 			    LLONG_MAX, &errstr);
449 2c251c14 2020-01-15 tracey 			if (errstr) {
450 2c251c14 2020-01-15 tracey 				yyerror("\"%s\" invalid number: %s",
451 2c251c14 2020-01-15 tracey 				    buf, errstr);
452 2c251c14 2020-01-15 tracey 				return (findeol());
453 2c251c14 2020-01-15 tracey 			}
454 2c251c14 2020-01-15 tracey 			return (NUMBER);
455 2c251c14 2020-01-15 tracey 		} else {
456 2c251c14 2020-01-15 tracey nodigits:
457 2c251c14 2020-01-15 tracey 			while (p > buf + 1)
458 0c82d267 2021-10-15 naddy 				lungetc((unsigned char)*--p);
459 0c82d267 2021-10-15 naddy 			c = (unsigned char)*--p;
460 2c251c14 2020-01-15 tracey 			if (c == '-')
461 2c251c14 2020-01-15 tracey 				return (c);
462 2c251c14 2020-01-15 tracey 		}
463 2c251c14 2020-01-15 tracey 	}
464 2c251c14 2020-01-15 tracey 
465 2c251c14 2020-01-15 tracey #define allowed_in_string(x) \
466 2c251c14 2020-01-15 tracey 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
467 c34ec417 2020-06-22 tracey 	x != '{' && x != '}' && \
468 c34ec417 2020-06-22 tracey 	x != '!' && x != '=' && x != '#' && \
469 2c251c14 2020-01-15 tracey 	x != ','))
470 2c251c14 2020-01-15 tracey 
471 c34ec417 2020-06-22 tracey 	if (isalnum(c) || c == ':' || c == '_') {
472 2c251c14 2020-01-15 tracey 		do {
473 2c251c14 2020-01-15 tracey 			*p++ = c;
474 5d8cbca3 2021-09-29 naddy 			if ((size_t)(p-buf) >= sizeof(buf)) {
475 2c251c14 2020-01-15 tracey 				yyerror("string too long");
476 2c251c14 2020-01-15 tracey 				return (findeol());
477 2c251c14 2020-01-15 tracey 			}
478 2c251c14 2020-01-15 tracey 		} while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
479 2c251c14 2020-01-15 tracey 		lungetc(c);
480 2c251c14 2020-01-15 tracey 		*p = '\0';
481 2c251c14 2020-01-15 tracey 		if ((token = lookup(buf)) == STRING)
482 2c251c14 2020-01-15 tracey 			if ((yylval.v.string = strdup(buf)) == NULL)
483 c34ec417 2020-06-22 tracey 				err(1, "%s", __func__);
484 2c251c14 2020-01-15 tracey 		return (token);
485 2c251c14 2020-01-15 tracey 	}
486 2c251c14 2020-01-15 tracey 	if (c == '\n') {
487 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
488 2c251c14 2020-01-15 tracey 		file->lineno++;
489 2c251c14 2020-01-15 tracey 	}
490 2c251c14 2020-01-15 tracey 	if (c == EOF)
491 2c251c14 2020-01-15 tracey 		return (0);
492 2c251c14 2020-01-15 tracey 	return (c);
493 2c251c14 2020-01-15 tracey }
494 2c251c14 2020-01-15 tracey 
495 c34ec417 2020-06-22 tracey static const struct got_error*
496 c34ec417 2020-06-22 tracey pushfile(struct file **nfile, const char *name)
497 2c251c14 2020-01-15 tracey {
498 c34ec417 2020-06-22 tracey 	const struct got_error* error = NULL;
499 2c251c14 2020-01-15 tracey 
500 c34ec417 2020-06-22 tracey 	if (((*nfile) = calloc(1, sizeof(struct file))) == NULL)
501 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "calloc");
502 c34ec417 2020-06-22 tracey 	if (((*nfile)->name = strdup(name)) == NULL) {
503 2c251c14 2020-01-15 tracey 		free(nfile);
504 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "strdup");
505 2c251c14 2020-01-15 tracey 	}
506 00fe21f2 2021-12-31 stsp 	if (((*nfile)->stream = fopen((*nfile)->name, "re")) == NULL) {
507 c34ec417 2020-06-22 tracey 		char *msg = NULL;
508 c34ec417 2020-06-22 tracey 		if (asprintf(&msg, "%s", (*nfile)->name) == -1)
509 c34ec417 2020-06-22 tracey 			return got_error_from_errno("asprintf");
510 c34ec417 2020-06-22 tracey 		error = got_error_msg(GOT_ERR_NO_CONFIG_FILE, msg);
511 c34ec417 2020-06-22 tracey 		free((*nfile)->name);
512 c34ec417 2020-06-22 tracey 		free((*nfile));
513 c34ec417 2020-06-22 tracey 		free(msg);
514 c34ec417 2020-06-22 tracey 		return error;
515 2c251c14 2020-01-15 tracey 	}
516 c34ec417 2020-06-22 tracey 	(*nfile)->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
517 c34ec417 2020-06-22 tracey 	(*nfile)->ungetsize = 16;
518 c34ec417 2020-06-22 tracey 	(*nfile)->ungetbuf = malloc((*nfile)->ungetsize);
519 c34ec417 2020-06-22 tracey 	if ((*nfile)->ungetbuf == NULL) {
520 c34ec417 2020-06-22 tracey 		fclose((*nfile)->stream);
521 c34ec417 2020-06-22 tracey 		free((*nfile)->name);
522 c34ec417 2020-06-22 tracey 		free((*nfile));
523 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "malloc");
524 c34ec417 2020-06-22 tracey 	}
525 c34ec417 2020-06-22 tracey 	TAILQ_INSERT_TAIL(&files, (*nfile), entry);
526 c34ec417 2020-06-22 tracey 	return error;
527 2c251c14 2020-01-15 tracey }
528 2c251c14 2020-01-15 tracey 
529 2c251c14 2020-01-15 tracey int
530 2c251c14 2020-01-15 tracey popfile(void)
531 2c251c14 2020-01-15 tracey {
532 c34ec417 2020-06-22 tracey 	struct file	*prev = NULL;
533 2c251c14 2020-01-15 tracey 
534 2c251c14 2020-01-15 tracey 	TAILQ_REMOVE(&files, file, entry);
535 2c251c14 2020-01-15 tracey 	fclose(file->stream);
536 2c251c14 2020-01-15 tracey 	free(file->name);
537 c34ec417 2020-06-22 tracey 	free(file->ungetbuf);
538 2c251c14 2020-01-15 tracey 	free(file);
539 2c251c14 2020-01-15 tracey 	file = prev;
540 2c251c14 2020-01-15 tracey 	return (file ? 0 : EOF);
541 2c251c14 2020-01-15 tracey }
542 2c251c14 2020-01-15 tracey 
543 2c251c14 2020-01-15 tracey const struct got_error*
544 c34ec417 2020-06-22 tracey parse_gotweb_config(struct gotweb_config **gconf, const char *filename)
545 2c251c14 2020-01-15 tracey {
546 f71c0a3a 2020-06-23 tracey 	gw_conf = malloc(sizeof(struct gotweb_config));
547 f71c0a3a 2020-06-23 tracey 	if (gw_conf == NULL) {
548 f71c0a3a 2020-06-23 tracey 		gerror = got_error_from_errno("malloc");
549 f71c0a3a 2020-06-23 tracey 		goto done;
550 f71c0a3a 2020-06-23 tracey 	}
551 f71c0a3a 2020-06-23 tracey 	gw_conf->got_repos_path = strdup(D_GOTPATH);
552 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_repos_path == NULL) {
553 9f6f3943 2020-09-24 tracey 		gerror = got_error_from_errno("strdup");
554 9f6f3943 2020-09-24 tracey 		goto done;
555 9f6f3943 2020-09-24 tracey 	}
556 9f6f3943 2020-09-24 tracey 	gw_conf->got_www_path = strdup(D_GOTWWW);
557 9f6f3943 2020-09-24 tracey 	if (gw_conf->got_www_path == NULL) {
558 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
559 2c251c14 2020-01-15 tracey 		goto done;
560 2c251c14 2020-01-15 tracey 	}
561 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_name = strdup(D_SITENAME);
562 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_name == NULL) {
563 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
564 c34ec417 2020-06-22 tracey 		goto done;
565 c34ec417 2020-06-22 tracey 	}
566 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_owner = strdup(D_SITEOWNER);
567 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_owner == NULL) {
568 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
569 c34ec417 2020-06-22 tracey 		goto done;
570 c34ec417 2020-06-22 tracey 	}
571 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_link = strdup(D_SITELINK);
572 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_link == NULL) {
573 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
574 c34ec417 2020-06-22 tracey 		goto done;
575 c34ec417 2020-06-22 tracey 	}
576 f71c0a3a 2020-06-23 tracey 	gw_conf->got_logo = strdup(D_GOTLOGO);
577 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_logo == NULL) {
578 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
579 c34ec417 2020-06-22 tracey 		goto done;
580 c34ec417 2020-06-22 tracey 	}
581 f71c0a3a 2020-06-23 tracey 	gw_conf->got_logo_url = strdup(D_GOTURL);
582 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_logo_url == NULL) {
583 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
584 c34ec417 2020-06-22 tracey 		goto done;
585 c34ec417 2020-06-22 tracey 	}
586 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_site_owner = D_SHOWSOWNER;
587 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_owner = D_SHOWROWNER;
588 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_age = D_SHOWAGE;
589 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_description = D_SHOWDESC;
590 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_cloneurl = D_SHOWURL;
591 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_repos = D_MAXREPO;
592 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_repos_display = D_MAXREPODISP;
593 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_commits_display = D_MAXCOMMITDISP;
594 c34ec417 2020-06-22 tracey 
595 c34ec417 2020-06-22 tracey 	/*
596 c34ec417 2020-06-22 tracey 	 * We don't require that the gotweb config file exists
597 c34ec417 2020-06-22 tracey 	 * So reset gerror if it doesn't exist and goto done.
598 c34ec417 2020-06-22 tracey 	 */
599 c34ec417 2020-06-22 tracey 	gerror = pushfile(&file, filename);
600 c34ec417 2020-06-22 tracey 	if (gerror && gerror->code == GOT_ERR_NO_CONFIG_FILE) {
601 c34ec417 2020-06-22 tracey 		gerror = NULL;
602 c34ec417 2020-06-22 tracey 		goto done;
603 c34ec417 2020-06-22 tracey 	} else if (gerror)
604 c34ec417 2020-06-22 tracey 		return gerror;
605 2c251c14 2020-01-15 tracey 	topfile = file;
606 2c251c14 2020-01-15 tracey 
607 2c251c14 2020-01-15 tracey 	yyparse();
608 2c251c14 2020-01-15 tracey 	popfile();
609 2c251c14 2020-01-15 tracey done:
610 f71c0a3a 2020-06-23 tracey 	*gconf = gw_conf;
611 c34ec417 2020-06-22 tracey 	return gerror;
612 2c251c14 2020-01-15 tracey }
613 c34ec417 2020-06-22 tracey 
614 c34ec417 2020-06-22 tracey int
615 c34ec417 2020-06-22 tracey symset(const char *nam, const char *val, int persist)
616 c34ec417 2020-06-22 tracey {
617 c34ec417 2020-06-22 tracey 	struct sym	*sym;
618 c34ec417 2020-06-22 tracey 
619 c34ec417 2020-06-22 tracey 	TAILQ_FOREACH(sym, &symhead, entry) {
620 c34ec417 2020-06-22 tracey 		if (strcmp(nam, sym->nam) == 0)
621 c34ec417 2020-06-22 tracey 			break;
622 c34ec417 2020-06-22 tracey 	}
623 c34ec417 2020-06-22 tracey 
624 c34ec417 2020-06-22 tracey 	if (sym != NULL) {
625 c34ec417 2020-06-22 tracey 		if (sym->persist == 1)
626 c34ec417 2020-06-22 tracey 			return (0);
627 c34ec417 2020-06-22 tracey 		else {
628 c34ec417 2020-06-22 tracey 			free(sym->nam);
629 c34ec417 2020-06-22 tracey 			free(sym->val);
630 c34ec417 2020-06-22 tracey 			TAILQ_REMOVE(&symhead, sym, entry);
631 c34ec417 2020-06-22 tracey 			free(sym);
632 c34ec417 2020-06-22 tracey 		}
633 c34ec417 2020-06-22 tracey 	}
634 c34ec417 2020-06-22 tracey 	if ((sym = calloc(1, sizeof(*sym))) == NULL)
635 c34ec417 2020-06-22 tracey 		return (-1);
636 c34ec417 2020-06-22 tracey 
637 c34ec417 2020-06-22 tracey 	sym->nam = strdup(nam);
638 c34ec417 2020-06-22 tracey 	if (sym->nam == NULL) {
639 c34ec417 2020-06-22 tracey 		free(sym);
640 c34ec417 2020-06-22 tracey 		return (-1);
641 c34ec417 2020-06-22 tracey 	}
642 c34ec417 2020-06-22 tracey 	sym->val = strdup(val);
643 c34ec417 2020-06-22 tracey 	if (sym->val == NULL) {
644 c34ec417 2020-06-22 tracey 		free(sym->nam);
645 c34ec417 2020-06-22 tracey 		free(sym);
646 c34ec417 2020-06-22 tracey 		return (-1);
647 c34ec417 2020-06-22 tracey 	}
648 c34ec417 2020-06-22 tracey 	sym->used = 0;
649 c34ec417 2020-06-22 tracey 	sym->persist = persist;
650 c34ec417 2020-06-22 tracey 	TAILQ_INSERT_TAIL(&symhead, sym, entry);
651 c34ec417 2020-06-22 tracey 	return (0);
652 c34ec417 2020-06-22 tracey }
653 c34ec417 2020-06-22 tracey 
654 c34ec417 2020-06-22 tracey int
655 c34ec417 2020-06-22 tracey cmdline_symset(char *s)
656 c34ec417 2020-06-22 tracey {
657 c34ec417 2020-06-22 tracey 	char	*sym, *val;
658 c34ec417 2020-06-22 tracey 	int	ret;
659 c34ec417 2020-06-22 tracey 	size_t	len;
660 c34ec417 2020-06-22 tracey 
661 c34ec417 2020-06-22 tracey 	if ((val = strrchr(s, '=')) == NULL)
662 c34ec417 2020-06-22 tracey 		return (-1);
663 c34ec417 2020-06-22 tracey 
664 c34ec417 2020-06-22 tracey 	len = strlen(s) - strlen(val) + 1;
665 c34ec417 2020-06-22 tracey 	if ((sym = malloc(len)) == NULL)
666 c34ec417 2020-06-22 tracey 		errx(1, "cmdline_symset: malloc");
667 c34ec417 2020-06-22 tracey 
668 c34ec417 2020-06-22 tracey 	strlcpy(sym, s, len);
669 c34ec417 2020-06-22 tracey 
670 c34ec417 2020-06-22 tracey 	ret = symset(sym, val + 1, 1);
671 c34ec417 2020-06-22 tracey 	free(sym);
672 c34ec417 2020-06-22 tracey 
673 c34ec417 2020-06-22 tracey 	return (ret);
674 c34ec417 2020-06-22 tracey }
675 c34ec417 2020-06-22 tracey 
676 c34ec417 2020-06-22 tracey char *
677 c34ec417 2020-06-22 tracey symget(const char *nam)
678 c34ec417 2020-06-22 tracey {
679 c34ec417 2020-06-22 tracey 	struct sym	*sym;
680 c34ec417 2020-06-22 tracey 
681 c34ec417 2020-06-22 tracey 	TAILQ_FOREACH(sym, &symhead, entry) {
682 c34ec417 2020-06-22 tracey 		if (strcmp(nam, sym->nam) == 0) {
683 c34ec417 2020-06-22 tracey 			sym->used = 1;
684 c34ec417 2020-06-22 tracey 			return (sym->val);
685 c34ec417 2020-06-22 tracey 		}
686 c34ec417 2020-06-22 tracey 	}
687 c34ec417 2020-06-22 tracey 	return (NULL);
688 c34ec417 2020-06-22 tracey }