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 336075a4 2022-06-25 op int	 cmdline_symset(char *);
 74 c34ec417 2020-06-22 tracey char	*symget(const char *);
 75 2c251c14 2020-01-15 tracey 
 76 c34ec417 2020-06-22 tracey const struct got_error* gerror = NULL;
 77 f71c0a3a 2020-06-23 tracey struct gotweb_config		*gw_conf;
 78 c34ec417 2020-06-22 tracey 
 79 2c251c14 2020-01-15 tracey typedef struct {
 80 2c251c14 2020-01-15 tracey 	union {
 81 c34ec417 2020-06-22 tracey 		int64_t		 number;
 82 c34ec417 2020-06-22 tracey 		char		*string;
 83 2c251c14 2020-01-15 tracey 	} v;
 84 2c251c14 2020-01-15 tracey 	int lineno;
 85 2c251c14 2020-01-15 tracey } YYSTYPE;
 86 2c251c14 2020-01-15 tracey 
 87 2c251c14 2020-01-15 tracey %}
 88 2c251c14 2020-01-15 tracey 
 89 2c251c14 2020-01-15 tracey %token	GOT_WWW_PATH GOT_MAX_REPOS GOT_SITE_NAME GOT_SITE_OWNER GOT_SITE_LINK
 90 2c251c14 2020-01-15 tracey %token	GOT_LOGO GOT_LOGO_URL GOT_SHOW_REPO_OWNER GOT_SHOW_REPO_AGE
 91 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_DESCRIPTION GOT_MAX_REPOS_DISPLAY GOT_REPOS_PATH
 92 a03d32e0 2020-11-09 tracey %token	GOT_MAX_COMMITS_DISPLAY ERROR GOT_SHOW_SITE_OWNER
 93 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_CLONEURL
 94 c34ec417 2020-06-22 tracey %token	<v.string>	STRING
 95 c34ec417 2020-06-22 tracey %token	<v.number>	NUMBER
 96 c34ec417 2020-06-22 tracey %type	<v.number>	boolean
 97 2c251c14 2020-01-15 tracey %%
 98 2c251c14 2020-01-15 tracey 
 99 2c251c14 2020-01-15 tracey grammar		: /* empty */
100 2c251c14 2020-01-15 tracey 		| grammar '\n'
101 2c251c14 2020-01-15 tracey 		| grammar main '\n'
102 2c251c14 2020-01-15 tracey 		;
103 2c251c14 2020-01-15 tracey 
104 c34ec417 2020-06-22 tracey boolean		: STRING {
105 2c251c14 2020-01-15 tracey 			if (strcasecmp($1, "true") == 0 ||
106 a03d32e0 2020-11-09 tracey 			    strcasecmp($1, "on") == 0 ||
107 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "yes") == 0)
108 2c251c14 2020-01-15 tracey 				$$ = 1;
109 2c251c14 2020-01-15 tracey 			else if (strcasecmp($1, "false") == 0 ||
110 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "off") == 0 ||
111 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "no") == 0)
112 2c251c14 2020-01-15 tracey 				$$ = 0;
113 2c251c14 2020-01-15 tracey 			else {
114 2c251c14 2020-01-15 tracey 				yyerror("invalid boolean value '%s'", $1);
115 2c251c14 2020-01-15 tracey 				free($1);
116 2c251c14 2020-01-15 tracey 				YYERROR;
117 2c251c14 2020-01-15 tracey 			}
118 2c251c14 2020-01-15 tracey 			free($1);
119 2c251c14 2020-01-15 tracey 		}
120 2c251c14 2020-01-15 tracey 		;
121 2c251c14 2020-01-15 tracey main		: GOT_REPOS_PATH STRING {
122 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_repos_path = $2;
123 54415d85 2020-01-15 tracey 		}
124 9f6f3943 2020-09-24 tracey 		| GOT_WWW_PATH STRING {
125 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_www_path = $2;
126 9f6f3943 2020-09-24 tracey 		}
127 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS NUMBER {
128 2c251c14 2020-01-15 tracey 			if ($2 > 0)
129 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_repos = $2;
130 2c251c14 2020-01-15 tracey 		}
131 2c251c14 2020-01-15 tracey 		| GOT_SITE_NAME STRING {
132 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_name = $2;
133 2c251c14 2020-01-15 tracey 		}
134 2c251c14 2020-01-15 tracey 		| GOT_SITE_OWNER STRING {
135 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_owner = $2;
136 2c251c14 2020-01-15 tracey 		}
137 2c251c14 2020-01-15 tracey 		| GOT_SITE_LINK STRING {
138 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_site_link = $2;
139 2c251c14 2020-01-15 tracey 		}
140 2c251c14 2020-01-15 tracey 		| GOT_LOGO STRING {
141 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_logo = $2;
142 2c251c14 2020-01-15 tracey 		}
143 2c251c14 2020-01-15 tracey 		| GOT_LOGO_URL STRING {
144 c2d7bc3f 2021-08-31 stsp 			gw_conf->got_logo_url = $2;
145 2c251c14 2020-01-15 tracey 		}
146 2c251c14 2020-01-15 tracey 		| GOT_SHOW_SITE_OWNER boolean {
147 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_site_owner = $2;
148 2c251c14 2020-01-15 tracey 		}
149 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_OWNER boolean {
150 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_owner = $2;
151 2c251c14 2020-01-15 tracey 		}
152 c34ec417 2020-06-22 tracey 		| GOT_SHOW_REPO_AGE boolean {
153 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_age = $2;
154 c34ec417 2020-06-22 tracey 		}
155 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_DESCRIPTION boolean {
156 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_description = $2;
157 2c251c14 2020-01-15 tracey 		}
158 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_CLONEURL boolean {
159 f71c0a3a 2020-06-23 tracey 			gw_conf->got_show_repo_cloneurl = $2;
160 2c251c14 2020-01-15 tracey 		}
161 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS_DISPLAY NUMBER {
162 2c251c14 2020-01-15 tracey 			if ($2 > 0)
163 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_repos_display = $2;
164 2c251c14 2020-01-15 tracey 		}
165 2c251c14 2020-01-15 tracey 		| GOT_MAX_COMMITS_DISPLAY NUMBER {
166 2c251c14 2020-01-15 tracey 			if ($2 > 0)
167 f71c0a3a 2020-06-23 tracey 				gw_conf->got_max_commits_display = $2;
168 2c251c14 2020-01-15 tracey 		}
169 54415d85 2020-01-15 tracey 		;
170 2c251c14 2020-01-15 tracey %%
171 2c251c14 2020-01-15 tracey 
172 2c251c14 2020-01-15 tracey struct keywords {
173 2c251c14 2020-01-15 tracey 	const char	*k_name;
174 2c251c14 2020-01-15 tracey 	int		 k_val;
175 2c251c14 2020-01-15 tracey };
176 2c251c14 2020-01-15 tracey 
177 2c251c14 2020-01-15 tracey int
178 2c251c14 2020-01-15 tracey yyerror(const char *fmt, ...)
179 2c251c14 2020-01-15 tracey {
180 2c251c14 2020-01-15 tracey 	va_list		 ap;
181 c34ec417 2020-06-22 tracey 	char		*msg;
182 c34ec417 2020-06-22 tracey 	char		*err = NULL;
183 2c251c14 2020-01-15 tracey 
184 2c251c14 2020-01-15 tracey 	va_start(ap, fmt);
185 c34ec417 2020-06-22 tracey 	if (vasprintf(&msg, fmt, ap) == -1) {
186 c34ec417 2020-06-22 tracey 		gerror =  got_error_from_errno("vasprintf");
187 c34ec417 2020-06-22 tracey 		return 0;
188 c34ec417 2020-06-22 tracey 	}
189 2c251c14 2020-01-15 tracey 	va_end(ap);
190 c34ec417 2020-06-22 tracey 	if (asprintf(&err, "%s:%d: %s", file->name, yylval.lineno, msg) == -1) {
191 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("asprintf");
192 c34ec417 2020-06-22 tracey 		return(0);
193 c34ec417 2020-06-22 tracey 	}
194 c2d7bc3f 2021-08-31 stsp 	gerror = got_error_msg(GOT_ERR_PARSE_CONFIG, err);
195 2c251c14 2020-01-15 tracey 	free(msg);
196 c34ec417 2020-06-22 tracey 	return(0);
197 2c251c14 2020-01-15 tracey }
198 2c251c14 2020-01-15 tracey 
199 2c251c14 2020-01-15 tracey int
200 2c251c14 2020-01-15 tracey kw_cmp(const void *k, const void *e)
201 2c251c14 2020-01-15 tracey {
202 2c251c14 2020-01-15 tracey 	return (strcmp(k, ((const struct keywords *)e)->k_name));
203 2c251c14 2020-01-15 tracey }
204 2c251c14 2020-01-15 tracey 
205 2c251c14 2020-01-15 tracey int
206 2c251c14 2020-01-15 tracey lookup(char *s)
207 2c251c14 2020-01-15 tracey {
208 c34ec417 2020-06-22 tracey 	/* This has to be sorted always. */
209 2c251c14 2020-01-15 tracey 	static const struct keywords keywords[] = {
210 2c251c14 2020-01-15 tracey 		{ "got_logo",			GOT_LOGO },
211 2c251c14 2020-01-15 tracey 		{ "got_logo_url",		GOT_LOGO_URL },
212 2c251c14 2020-01-15 tracey 		{ "got_max_commits_display",	GOT_MAX_COMMITS_DISPLAY },
213 2c251c14 2020-01-15 tracey 		{ "got_max_repos",		GOT_MAX_REPOS },
214 2c251c14 2020-01-15 tracey 		{ "got_max_repos_display",	GOT_MAX_REPOS_DISPLAY },
215 2c251c14 2020-01-15 tracey 		{ "got_repos_path",		GOT_REPOS_PATH },
216 2c251c14 2020-01-15 tracey 		{ "got_show_repo_age",		GOT_SHOW_REPO_AGE },
217 2c251c14 2020-01-15 tracey 		{ "got_show_repo_cloneurl",	GOT_SHOW_REPO_CLONEURL },
218 2c251c14 2020-01-15 tracey 		{ "got_show_repo_description",	GOT_SHOW_REPO_DESCRIPTION },
219 2c251c14 2020-01-15 tracey 		{ "got_show_repo_owner",	GOT_SHOW_REPO_OWNER },
220 2c251c14 2020-01-15 tracey 		{ "got_show_site_owner",	GOT_SHOW_SITE_OWNER },
221 2c251c14 2020-01-15 tracey 		{ "got_site_link",		GOT_SITE_LINK },
222 2c251c14 2020-01-15 tracey 		{ "got_site_name",		GOT_SITE_NAME },
223 2c251c14 2020-01-15 tracey 		{ "got_site_owner",		GOT_SITE_OWNER },
224 9f6f3943 2020-09-24 tracey 		{ "got_www_path",		GOT_WWW_PATH },
225 2c251c14 2020-01-15 tracey 	};
226 2c251c14 2020-01-15 tracey 	const struct keywords	*p;
227 2c251c14 2020-01-15 tracey 
228 2c251c14 2020-01-15 tracey 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
229 2c251c14 2020-01-15 tracey 	    sizeof(keywords[0]), kw_cmp);
230 2c251c14 2020-01-15 tracey 
231 2c251c14 2020-01-15 tracey 	if (p)
232 2c251c14 2020-01-15 tracey 		return (p->k_val);
233 2c251c14 2020-01-15 tracey 	else
234 2c251c14 2020-01-15 tracey 		return (STRING);
235 2c251c14 2020-01-15 tracey }
236 2c251c14 2020-01-15 tracey 
237 c34ec417 2020-06-22 tracey #define START_EXPAND	1
238 c34ec417 2020-06-22 tracey #define DONE_EXPAND	2
239 2c251c14 2020-01-15 tracey 
240 c34ec417 2020-06-22 tracey static int	expanding;
241 2c251c14 2020-01-15 tracey 
242 2c251c14 2020-01-15 tracey int
243 c34ec417 2020-06-22 tracey igetc(void)
244 2c251c14 2020-01-15 tracey {
245 c34ec417 2020-06-22 tracey 	int	c;
246 2c251c14 2020-01-15 tracey 
247 c34ec417 2020-06-22 tracey 	while (1) {
248 c34ec417 2020-06-22 tracey 		if (file->ungetpos > 0)
249 c34ec417 2020-06-22 tracey 			c = file->ungetbuf[--file->ungetpos];
250 c34ec417 2020-06-22 tracey 		else
251 c34ec417 2020-06-22 tracey 			c = getc(file->stream);
252 c34ec417 2020-06-22 tracey 
253 c34ec417 2020-06-22 tracey 		if (c == START_EXPAND)
254 c34ec417 2020-06-22 tracey 			expanding = 1;
255 c34ec417 2020-06-22 tracey 		else if (c == DONE_EXPAND)
256 c34ec417 2020-06-22 tracey 			expanding = 0;
257 c34ec417 2020-06-22 tracey 		else
258 c34ec417 2020-06-22 tracey 			break;
259 2c251c14 2020-01-15 tracey 	}
260 c34ec417 2020-06-22 tracey 	return (c);
261 c34ec417 2020-06-22 tracey }
262 2c251c14 2020-01-15 tracey 
263 c34ec417 2020-06-22 tracey int
264 c34ec417 2020-06-22 tracey lgetc(int quotec)
265 c34ec417 2020-06-22 tracey {
266 c34ec417 2020-06-22 tracey 	int		c, next;
267 2c251c14 2020-01-15 tracey 
268 2c251c14 2020-01-15 tracey 	if (quotec) {
269 c34ec417 2020-06-22 tracey 		if ((c = igetc()) == EOF) {
270 2c251c14 2020-01-15 tracey 			yyerror("reached end of file while parsing "
271 2c251c14 2020-01-15 tracey 			    "quoted string");
272 2c251c14 2020-01-15 tracey 			if (file == topfile || popfile() == EOF)
273 2c251c14 2020-01-15 tracey 				return (EOF);
274 2c251c14 2020-01-15 tracey 			return (quotec);
275 2c251c14 2020-01-15 tracey 		}
276 2c251c14 2020-01-15 tracey 		return (c);
277 2c251c14 2020-01-15 tracey 	}
278 2c251c14 2020-01-15 tracey 
279 c34ec417 2020-06-22 tracey 	while ((c = igetc()) == '\\') {
280 c34ec417 2020-06-22 tracey 		next = igetc();
281 2c251c14 2020-01-15 tracey 		if (next != '\n') {
282 2c251c14 2020-01-15 tracey 			c = next;
283 2c251c14 2020-01-15 tracey 			break;
284 2c251c14 2020-01-15 tracey 		}
285 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
286 2c251c14 2020-01-15 tracey 		file->lineno++;
287 2c251c14 2020-01-15 tracey 	}
288 2c251c14 2020-01-15 tracey 
289 c34ec417 2020-06-22 tracey 	if (c == EOF) {
290 c34ec417 2020-06-22 tracey 		/*
291 c34ec417 2020-06-22 tracey 		 * Fake EOL when hit EOF for the first time. This gets line
292 c34ec417 2020-06-22 tracey 		 * count right if last line in included file is syntactically
293 c34ec417 2020-06-22 tracey 		 * invalid and has no newline.
294 c34ec417 2020-06-22 tracey 		 */
295 c34ec417 2020-06-22 tracey 		if (file->eof_reached == 0) {
296 c34ec417 2020-06-22 tracey 			file->eof_reached = 1;
297 c34ec417 2020-06-22 tracey 			return ('\n');
298 c34ec417 2020-06-22 tracey 		}
299 c34ec417 2020-06-22 tracey 		while (c == EOF) {
300 c34ec417 2020-06-22 tracey 			if (file == topfile || popfile() == EOF)
301 c34ec417 2020-06-22 tracey 				return (EOF);
302 c34ec417 2020-06-22 tracey 			c = igetc();
303 c34ec417 2020-06-22 tracey 		}
304 2c251c14 2020-01-15 tracey 	}
305 2c251c14 2020-01-15 tracey 	return (c);
306 2c251c14 2020-01-15 tracey }
307 2c251c14 2020-01-15 tracey 
308 c34ec417 2020-06-22 tracey void
309 2c251c14 2020-01-15 tracey lungetc(int c)
310 2c251c14 2020-01-15 tracey {
311 2c251c14 2020-01-15 tracey 	if (c == EOF)
312 c34ec417 2020-06-22 tracey 		return;
313 c34ec417 2020-06-22 tracey 
314 c34ec417 2020-06-22 tracey 	if (file->ungetpos >= file->ungetsize) {
315 c34ec417 2020-06-22 tracey 		void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
316 c34ec417 2020-06-22 tracey 		if (p == NULL)
317 c34ec417 2020-06-22 tracey 			err(1, "%s", __func__);
318 c34ec417 2020-06-22 tracey 		file->ungetbuf = p;
319 c34ec417 2020-06-22 tracey 		file->ungetsize *= 2;
320 2c251c14 2020-01-15 tracey 	}
321 c34ec417 2020-06-22 tracey 	file->ungetbuf[file->ungetpos++] = c;
322 2c251c14 2020-01-15 tracey }
323 2c251c14 2020-01-15 tracey 
324 2c251c14 2020-01-15 tracey int
325 2c251c14 2020-01-15 tracey findeol(void)
326 2c251c14 2020-01-15 tracey {
327 2c251c14 2020-01-15 tracey 	int	c;
328 2c251c14 2020-01-15 tracey 
329 c34ec417 2020-06-22 tracey 	/* Skip to either EOF or the first real EOL. */
330 2c251c14 2020-01-15 tracey 	while (1) {
331 c34ec417 2020-06-22 tracey 		c = lgetc(0);
332 2c251c14 2020-01-15 tracey 		if (c == '\n') {
333 2c251c14 2020-01-15 tracey 			file->lineno++;
334 2c251c14 2020-01-15 tracey 			break;
335 2c251c14 2020-01-15 tracey 		}
336 2c251c14 2020-01-15 tracey 		if (c == EOF)
337 2c251c14 2020-01-15 tracey 			break;
338 2c251c14 2020-01-15 tracey 	}
339 2c251c14 2020-01-15 tracey 	return (ERROR);
340 2c251c14 2020-01-15 tracey }
341 2c251c14 2020-01-15 tracey 
342 2c251c14 2020-01-15 tracey int
343 2c251c14 2020-01-15 tracey yylex(void)
344 2c251c14 2020-01-15 tracey {
345 d683c314 2021-09-29 naddy 	char	 buf[8096];
346 d683c314 2021-09-29 naddy 	char	*p, *val;
347 d683c314 2021-09-29 naddy 	int	 quotec, next, c;
348 d683c314 2021-09-29 naddy 	int	 token;
349 2c251c14 2020-01-15 tracey 
350 c34ec417 2020-06-22 tracey top:
351 2c251c14 2020-01-15 tracey 	p = buf;
352 2c251c14 2020-01-15 tracey 	while ((c = lgetc(0)) == ' ' || c == '\t')
353 2c251c14 2020-01-15 tracey 		; /* nothing */
354 2c251c14 2020-01-15 tracey 
355 2c251c14 2020-01-15 tracey 	yylval.lineno = file->lineno;
356 2c251c14 2020-01-15 tracey 	if (c == '#')
357 2c251c14 2020-01-15 tracey 		while ((c = lgetc(0)) != '\n' && c != EOF)
358 2c251c14 2020-01-15 tracey 			; /* nothing */
359 c34ec417 2020-06-22 tracey 	if (c == '$' && !expanding) {
360 c34ec417 2020-06-22 tracey 		while (1) {
361 c34ec417 2020-06-22 tracey 			if ((c = lgetc(0)) == EOF)
362 c34ec417 2020-06-22 tracey 				return (0);
363 2c251c14 2020-01-15 tracey 
364 c34ec417 2020-06-22 tracey 			if (p + 1 >= buf + sizeof(buf) - 1) {
365 c34ec417 2020-06-22 tracey 				yyerror("string too long");
366 c34ec417 2020-06-22 tracey 				return (findeol());
367 c34ec417 2020-06-22 tracey 			}
368 c34ec417 2020-06-22 tracey 			if (isalnum(c) || c == '_') {
369 c34ec417 2020-06-22 tracey 				*p++ = c;
370 c34ec417 2020-06-22 tracey 				continue;
371 c34ec417 2020-06-22 tracey 			}
372 c34ec417 2020-06-22 tracey 			*p = '\0';
373 c34ec417 2020-06-22 tracey 			lungetc(c);
374 c34ec417 2020-06-22 tracey 			break;
375 c34ec417 2020-06-22 tracey 		}
376 c34ec417 2020-06-22 tracey 		val = symget(buf);
377 c34ec417 2020-06-22 tracey 		if (val == NULL) {
378 c34ec417 2020-06-22 tracey 			yyerror("macro '%s' not defined", buf);
379 c34ec417 2020-06-22 tracey 			return (findeol());
380 c34ec417 2020-06-22 tracey 		}
381 c34ec417 2020-06-22 tracey 		p = val + strlen(val) - 1;
382 c34ec417 2020-06-22 tracey 		lungetc(DONE_EXPAND);
383 c34ec417 2020-06-22 tracey 		while (p >= val) {
384 0c82d267 2021-10-15 naddy 			lungetc((unsigned char)*p);
385 c34ec417 2020-06-22 tracey 			p--;
386 c34ec417 2020-06-22 tracey 		}
387 c34ec417 2020-06-22 tracey 		lungetc(START_EXPAND);
388 c34ec417 2020-06-22 tracey 		goto top;
389 c34ec417 2020-06-22 tracey 	}
390 c34ec417 2020-06-22 tracey 
391 2c251c14 2020-01-15 tracey 	switch (c) {
392 2c251c14 2020-01-15 tracey 	case '\'':
393 2c251c14 2020-01-15 tracey 	case '"':
394 2c251c14 2020-01-15 tracey 		quotec = c;
395 2c251c14 2020-01-15 tracey 		while (1) {
396 2c251c14 2020-01-15 tracey 			if ((c = lgetc(quotec)) == EOF)
397 2c251c14 2020-01-15 tracey 				return (0);
398 2c251c14 2020-01-15 tracey 			if (c == '\n') {
399 2c251c14 2020-01-15 tracey 				file->lineno++;
400 2c251c14 2020-01-15 tracey 				continue;
401 2c251c14 2020-01-15 tracey 			} else if (c == '\\') {
402 2c251c14 2020-01-15 tracey 				if ((next = lgetc(quotec)) == EOF)
403 2c251c14 2020-01-15 tracey 					return (0);
404 c34ec417 2020-06-22 tracey 				if (next == quotec || c == ' ' || c == '\t')
405 2c251c14 2020-01-15 tracey 					c = next;
406 2c251c14 2020-01-15 tracey 				else if (next == '\n') {
407 2c251c14 2020-01-15 tracey 					file->lineno++;
408 2c251c14 2020-01-15 tracey 					continue;
409 2c251c14 2020-01-15 tracey 				} else
410 2c251c14 2020-01-15 tracey 					lungetc(next);
411 2c251c14 2020-01-15 tracey 			} else if (c == quotec) {
412 2c251c14 2020-01-15 tracey 				*p = '\0';
413 2c251c14 2020-01-15 tracey 				break;
414 2c251c14 2020-01-15 tracey 			} else if (c == '\0') {
415 2c251c14 2020-01-15 tracey 				yyerror("syntax error");
416 2c251c14 2020-01-15 tracey 				return (findeol());
417 2c251c14 2020-01-15 tracey 			}
418 2c251c14 2020-01-15 tracey 			if (p + 1 >= buf + sizeof(buf) - 1) {
419 2c251c14 2020-01-15 tracey 				yyerror("string too long");
420 2c251c14 2020-01-15 tracey 				return (findeol());
421 2c251c14 2020-01-15 tracey 			}
422 2c251c14 2020-01-15 tracey 			*p++ = c;
423 2c251c14 2020-01-15 tracey 		}
424 2c251c14 2020-01-15 tracey 		yylval.v.string = strdup(buf);
425 2c251c14 2020-01-15 tracey 		if (yylval.v.string == NULL)
426 c34ec417 2020-06-22 tracey 			err(1, "%s", __func__);
427 2c251c14 2020-01-15 tracey 		return (STRING);
428 2c251c14 2020-01-15 tracey 	}
429 2c251c14 2020-01-15 tracey 
430 2c251c14 2020-01-15 tracey #define allowed_to_end_number(x) \
431 2c251c14 2020-01-15 tracey 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
432 2c251c14 2020-01-15 tracey 
433 2c251c14 2020-01-15 tracey 	if (c == '-' || isdigit(c)) {
434 2c251c14 2020-01-15 tracey 		do {
435 2c251c14 2020-01-15 tracey 			*p++ = c;
436 5d8cbca3 2021-09-29 naddy 			if ((size_t)(p-buf) >= sizeof(buf)) {
437 2c251c14 2020-01-15 tracey 				yyerror("string too long");
438 2c251c14 2020-01-15 tracey 				return (findeol());
439 2c251c14 2020-01-15 tracey 			}
440 2c251c14 2020-01-15 tracey 		} while ((c = lgetc(0)) != EOF && isdigit(c));
441 2c251c14 2020-01-15 tracey 		lungetc(c);
442 2c251c14 2020-01-15 tracey 		if (p == buf + 1 && buf[0] == '-')
443 2c251c14 2020-01-15 tracey 			goto nodigits;
444 2c251c14 2020-01-15 tracey 		if (c == EOF || allowed_to_end_number(c)) {
445 2c251c14 2020-01-15 tracey 			const char *errstr = NULL;
446 2c251c14 2020-01-15 tracey 
447 2c251c14 2020-01-15 tracey 			*p = '\0';
448 2c251c14 2020-01-15 tracey 			yylval.v.number = strtonum(buf, LLONG_MIN,
449 2c251c14 2020-01-15 tracey 			    LLONG_MAX, &errstr);
450 2c251c14 2020-01-15 tracey 			if (errstr) {
451 2c251c14 2020-01-15 tracey 				yyerror("\"%s\" invalid number: %s",
452 2c251c14 2020-01-15 tracey 				    buf, errstr);
453 2c251c14 2020-01-15 tracey 				return (findeol());
454 2c251c14 2020-01-15 tracey 			}
455 2c251c14 2020-01-15 tracey 			return (NUMBER);
456 2c251c14 2020-01-15 tracey 		} else {
457 2c251c14 2020-01-15 tracey nodigits:
458 2c251c14 2020-01-15 tracey 			while (p > buf + 1)
459 0c82d267 2021-10-15 naddy 				lungetc((unsigned char)*--p);
460 0c82d267 2021-10-15 naddy 			c = (unsigned char)*--p;
461 2c251c14 2020-01-15 tracey 			if (c == '-')
462 2c251c14 2020-01-15 tracey 				return (c);
463 2c251c14 2020-01-15 tracey 		}
464 2c251c14 2020-01-15 tracey 	}
465 2c251c14 2020-01-15 tracey 
466 2c251c14 2020-01-15 tracey #define allowed_in_string(x) \
467 2c251c14 2020-01-15 tracey 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
468 c34ec417 2020-06-22 tracey 	x != '{' && x != '}' && \
469 c34ec417 2020-06-22 tracey 	x != '!' && x != '=' && x != '#' && \
470 2c251c14 2020-01-15 tracey 	x != ','))
471 2c251c14 2020-01-15 tracey 
472 c34ec417 2020-06-22 tracey 	if (isalnum(c) || c == ':' || c == '_') {
473 2c251c14 2020-01-15 tracey 		do {
474 2c251c14 2020-01-15 tracey 			*p++ = c;
475 5d8cbca3 2021-09-29 naddy 			if ((size_t)(p-buf) >= sizeof(buf)) {
476 2c251c14 2020-01-15 tracey 				yyerror("string too long");
477 2c251c14 2020-01-15 tracey 				return (findeol());
478 2c251c14 2020-01-15 tracey 			}
479 2c251c14 2020-01-15 tracey 		} while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
480 2c251c14 2020-01-15 tracey 		lungetc(c);
481 2c251c14 2020-01-15 tracey 		*p = '\0';
482 2c251c14 2020-01-15 tracey 		if ((token = lookup(buf)) == STRING)
483 2c251c14 2020-01-15 tracey 			if ((yylval.v.string = strdup(buf)) == NULL)
484 c34ec417 2020-06-22 tracey 				err(1, "%s", __func__);
485 2c251c14 2020-01-15 tracey 		return (token);
486 2c251c14 2020-01-15 tracey 	}
487 2c251c14 2020-01-15 tracey 	if (c == '\n') {
488 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
489 2c251c14 2020-01-15 tracey 		file->lineno++;
490 2c251c14 2020-01-15 tracey 	}
491 2c251c14 2020-01-15 tracey 	if (c == EOF)
492 2c251c14 2020-01-15 tracey 		return (0);
493 2c251c14 2020-01-15 tracey 	return (c);
494 2c251c14 2020-01-15 tracey }
495 2c251c14 2020-01-15 tracey 
496 c34ec417 2020-06-22 tracey static const struct got_error*
497 c34ec417 2020-06-22 tracey pushfile(struct file **nfile, const char *name)
498 2c251c14 2020-01-15 tracey {
499 c34ec417 2020-06-22 tracey 	const struct got_error* error = NULL;
500 2c251c14 2020-01-15 tracey 
501 c34ec417 2020-06-22 tracey 	if (((*nfile) = calloc(1, sizeof(struct file))) == NULL)
502 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "calloc");
503 c34ec417 2020-06-22 tracey 	if (((*nfile)->name = strdup(name)) == NULL) {
504 2c251c14 2020-01-15 tracey 		free(nfile);
505 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "strdup");
506 2c251c14 2020-01-15 tracey 	}
507 00fe21f2 2021-12-31 stsp 	if (((*nfile)->stream = fopen((*nfile)->name, "re")) == NULL) {
508 c34ec417 2020-06-22 tracey 		char *msg = NULL;
509 c34ec417 2020-06-22 tracey 		if (asprintf(&msg, "%s", (*nfile)->name) == -1)
510 c34ec417 2020-06-22 tracey 			return got_error_from_errno("asprintf");
511 c34ec417 2020-06-22 tracey 		error = got_error_msg(GOT_ERR_NO_CONFIG_FILE, msg);
512 c34ec417 2020-06-22 tracey 		free((*nfile)->name);
513 c34ec417 2020-06-22 tracey 		free((*nfile));
514 c34ec417 2020-06-22 tracey 		free(msg);
515 c34ec417 2020-06-22 tracey 		return error;
516 2c251c14 2020-01-15 tracey 	}
517 c34ec417 2020-06-22 tracey 	(*nfile)->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
518 c34ec417 2020-06-22 tracey 	(*nfile)->ungetsize = 16;
519 c34ec417 2020-06-22 tracey 	(*nfile)->ungetbuf = malloc((*nfile)->ungetsize);
520 c34ec417 2020-06-22 tracey 	if ((*nfile)->ungetbuf == NULL) {
521 c34ec417 2020-06-22 tracey 		fclose((*nfile)->stream);
522 c34ec417 2020-06-22 tracey 		free((*nfile)->name);
523 c34ec417 2020-06-22 tracey 		free((*nfile));
524 c34ec417 2020-06-22 tracey 		return got_error_from_errno2(__func__, "malloc");
525 c34ec417 2020-06-22 tracey 	}
526 c34ec417 2020-06-22 tracey 	TAILQ_INSERT_TAIL(&files, (*nfile), entry);
527 c34ec417 2020-06-22 tracey 	return error;
528 2c251c14 2020-01-15 tracey }
529 2c251c14 2020-01-15 tracey 
530 2c251c14 2020-01-15 tracey int
531 2c251c14 2020-01-15 tracey popfile(void)
532 2c251c14 2020-01-15 tracey {
533 c34ec417 2020-06-22 tracey 	struct file	*prev = NULL;
534 2c251c14 2020-01-15 tracey 
535 2c251c14 2020-01-15 tracey 	TAILQ_REMOVE(&files, file, entry);
536 2c251c14 2020-01-15 tracey 	fclose(file->stream);
537 2c251c14 2020-01-15 tracey 	free(file->name);
538 c34ec417 2020-06-22 tracey 	free(file->ungetbuf);
539 2c251c14 2020-01-15 tracey 	free(file);
540 2c251c14 2020-01-15 tracey 	file = prev;
541 2c251c14 2020-01-15 tracey 	return (file ? 0 : EOF);
542 2c251c14 2020-01-15 tracey }
543 2c251c14 2020-01-15 tracey 
544 2c251c14 2020-01-15 tracey const struct got_error*
545 c34ec417 2020-06-22 tracey parse_gotweb_config(struct gotweb_config **gconf, const char *filename)
546 2c251c14 2020-01-15 tracey {
547 f71c0a3a 2020-06-23 tracey 	gw_conf = malloc(sizeof(struct gotweb_config));
548 f71c0a3a 2020-06-23 tracey 	if (gw_conf == NULL) {
549 f71c0a3a 2020-06-23 tracey 		gerror = got_error_from_errno("malloc");
550 f71c0a3a 2020-06-23 tracey 		goto done;
551 f71c0a3a 2020-06-23 tracey 	}
552 f71c0a3a 2020-06-23 tracey 	gw_conf->got_repos_path = strdup(D_GOTPATH);
553 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_repos_path == NULL) {
554 9f6f3943 2020-09-24 tracey 		gerror = got_error_from_errno("strdup");
555 9f6f3943 2020-09-24 tracey 		goto done;
556 9f6f3943 2020-09-24 tracey 	}
557 9f6f3943 2020-09-24 tracey 	gw_conf->got_www_path = strdup(D_GOTWWW);
558 9f6f3943 2020-09-24 tracey 	if (gw_conf->got_www_path == NULL) {
559 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
560 2c251c14 2020-01-15 tracey 		goto done;
561 2c251c14 2020-01-15 tracey 	}
562 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_name = strdup(D_SITENAME);
563 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_name == NULL) {
564 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
565 c34ec417 2020-06-22 tracey 		goto done;
566 c34ec417 2020-06-22 tracey 	}
567 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_owner = strdup(D_SITEOWNER);
568 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_owner == NULL) {
569 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
570 c34ec417 2020-06-22 tracey 		goto done;
571 c34ec417 2020-06-22 tracey 	}
572 f71c0a3a 2020-06-23 tracey 	gw_conf->got_site_link = strdup(D_SITELINK);
573 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_site_link == NULL) {
574 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
575 c34ec417 2020-06-22 tracey 		goto done;
576 c34ec417 2020-06-22 tracey 	}
577 f71c0a3a 2020-06-23 tracey 	gw_conf->got_logo = strdup(D_GOTLOGO);
578 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_logo == NULL) {
579 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
580 c34ec417 2020-06-22 tracey 		goto done;
581 c34ec417 2020-06-22 tracey 	}
582 f71c0a3a 2020-06-23 tracey 	gw_conf->got_logo_url = strdup(D_GOTURL);
583 f71c0a3a 2020-06-23 tracey 	if (gw_conf->got_logo_url == NULL) {
584 c34ec417 2020-06-22 tracey 		gerror = got_error_from_errno("strdup");
585 c34ec417 2020-06-22 tracey 		goto done;
586 c34ec417 2020-06-22 tracey 	}
587 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_site_owner = D_SHOWSOWNER;
588 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_owner = D_SHOWROWNER;
589 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_age = D_SHOWAGE;
590 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_description = D_SHOWDESC;
591 f71c0a3a 2020-06-23 tracey 	gw_conf->got_show_repo_cloneurl = D_SHOWURL;
592 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_repos = D_MAXREPO;
593 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_repos_display = D_MAXREPODISP;
594 f71c0a3a 2020-06-23 tracey 	gw_conf->got_max_commits_display = D_MAXCOMMITDISP;
595 c34ec417 2020-06-22 tracey 
596 c34ec417 2020-06-22 tracey 	/*
597 c34ec417 2020-06-22 tracey 	 * We don't require that the gotweb config file exists
598 c34ec417 2020-06-22 tracey 	 * So reset gerror if it doesn't exist and goto done.
599 c34ec417 2020-06-22 tracey 	 */
600 c34ec417 2020-06-22 tracey 	gerror = pushfile(&file, filename);
601 c34ec417 2020-06-22 tracey 	if (gerror && gerror->code == GOT_ERR_NO_CONFIG_FILE) {
602 c34ec417 2020-06-22 tracey 		gerror = NULL;
603 c34ec417 2020-06-22 tracey 		goto done;
604 c34ec417 2020-06-22 tracey 	} else if (gerror)
605 c34ec417 2020-06-22 tracey 		return gerror;
606 2c251c14 2020-01-15 tracey 	topfile = file;
607 2c251c14 2020-01-15 tracey 
608 2c251c14 2020-01-15 tracey 	yyparse();
609 2c251c14 2020-01-15 tracey 	popfile();
610 2c251c14 2020-01-15 tracey done:
611 f71c0a3a 2020-06-23 tracey 	*gconf = gw_conf;
612 c34ec417 2020-06-22 tracey 	return gerror;
613 2c251c14 2020-01-15 tracey }
614 c34ec417 2020-06-22 tracey 
615 c34ec417 2020-06-22 tracey int
616 c34ec417 2020-06-22 tracey symset(const char *nam, const char *val, int persist)
617 c34ec417 2020-06-22 tracey {
618 c34ec417 2020-06-22 tracey 	struct sym	*sym;
619 c34ec417 2020-06-22 tracey 
620 c34ec417 2020-06-22 tracey 	TAILQ_FOREACH(sym, &symhead, entry) {
621 c34ec417 2020-06-22 tracey 		if (strcmp(nam, sym->nam) == 0)
622 c34ec417 2020-06-22 tracey 			break;
623 c34ec417 2020-06-22 tracey 	}
624 c34ec417 2020-06-22 tracey 
625 c34ec417 2020-06-22 tracey 	if (sym != NULL) {
626 c34ec417 2020-06-22 tracey 		if (sym->persist == 1)
627 c34ec417 2020-06-22 tracey 			return (0);
628 c34ec417 2020-06-22 tracey 		else {
629 c34ec417 2020-06-22 tracey 			free(sym->nam);
630 c34ec417 2020-06-22 tracey 			free(sym->val);
631 c34ec417 2020-06-22 tracey 			TAILQ_REMOVE(&symhead, sym, entry);
632 c34ec417 2020-06-22 tracey 			free(sym);
633 c34ec417 2020-06-22 tracey 		}
634 c34ec417 2020-06-22 tracey 	}
635 c34ec417 2020-06-22 tracey 	if ((sym = calloc(1, sizeof(*sym))) == NULL)
636 c34ec417 2020-06-22 tracey 		return (-1);
637 c34ec417 2020-06-22 tracey 
638 c34ec417 2020-06-22 tracey 	sym->nam = strdup(nam);
639 c34ec417 2020-06-22 tracey 	if (sym->nam == NULL) {
640 c34ec417 2020-06-22 tracey 		free(sym);
641 c34ec417 2020-06-22 tracey 		return (-1);
642 c34ec417 2020-06-22 tracey 	}
643 c34ec417 2020-06-22 tracey 	sym->val = strdup(val);
644 c34ec417 2020-06-22 tracey 	if (sym->val == NULL) {
645 c34ec417 2020-06-22 tracey 		free(sym->nam);
646 c34ec417 2020-06-22 tracey 		free(sym);
647 c34ec417 2020-06-22 tracey 		return (-1);
648 c34ec417 2020-06-22 tracey 	}
649 c34ec417 2020-06-22 tracey 	sym->used = 0;
650 c34ec417 2020-06-22 tracey 	sym->persist = persist;
651 c34ec417 2020-06-22 tracey 	TAILQ_INSERT_TAIL(&symhead, sym, entry);
652 c34ec417 2020-06-22 tracey 	return (0);
653 c34ec417 2020-06-22 tracey }
654 c34ec417 2020-06-22 tracey 
655 c34ec417 2020-06-22 tracey int
656 c34ec417 2020-06-22 tracey cmdline_symset(char *s)
657 c34ec417 2020-06-22 tracey {
658 c34ec417 2020-06-22 tracey 	char	*sym, *val;
659 c34ec417 2020-06-22 tracey 	int	ret;
660 c34ec417 2020-06-22 tracey 	size_t	len;
661 c34ec417 2020-06-22 tracey 
662 c34ec417 2020-06-22 tracey 	if ((val = strrchr(s, '=')) == NULL)
663 c34ec417 2020-06-22 tracey 		return (-1);
664 c34ec417 2020-06-22 tracey 
665 c34ec417 2020-06-22 tracey 	len = strlen(s) - strlen(val) + 1;
666 c34ec417 2020-06-22 tracey 	if ((sym = malloc(len)) == NULL)
667 c34ec417 2020-06-22 tracey 		errx(1, "cmdline_symset: malloc");
668 c34ec417 2020-06-22 tracey 
669 c34ec417 2020-06-22 tracey 	strlcpy(sym, s, len);
670 c34ec417 2020-06-22 tracey 
671 c34ec417 2020-06-22 tracey 	ret = symset(sym, val + 1, 1);
672 c34ec417 2020-06-22 tracey 	free(sym);
673 c34ec417 2020-06-22 tracey 
674 c34ec417 2020-06-22 tracey 	return (ret);
675 c34ec417 2020-06-22 tracey }
676 c34ec417 2020-06-22 tracey 
677 c34ec417 2020-06-22 tracey char *
678 c34ec417 2020-06-22 tracey symget(const char *nam)
679 c34ec417 2020-06-22 tracey {
680 c34ec417 2020-06-22 tracey 	struct sym	*sym;
681 c34ec417 2020-06-22 tracey 
682 c34ec417 2020-06-22 tracey 	TAILQ_FOREACH(sym, &symhead, entry) {
683 c34ec417 2020-06-22 tracey 		if (strcmp(nam, sym->nam) == 0) {
684 c34ec417 2020-06-22 tracey 			sym->used = 1;
685 c34ec417 2020-06-22 tracey 			return (sym->val);
686 c34ec417 2020-06-22 tracey 		}
687 c34ec417 2020-06-22 tracey 	}
688 c34ec417 2020-06-22 tracey 	return (NULL);
689 c34ec417 2020-06-22 tracey }