1 2c251c14 2020-01-15 tracey /*
  2 2c251c14 2020-01-15 tracey  * Copyright (c) 2019 Tracey Emery <tracey@traceyemery.net>
  3 2c251c14 2020-01-15 tracey  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
  4 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  5 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
  6 2c251c14 2020-01-15 tracey  * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
  7 2c251c14 2020-01-15 tracey  *
  8 2c251c14 2020-01-15 tracey  * Permission to use, copy, modify, and distribute this software for any
  9 2c251c14 2020-01-15 tracey  * purpose with or without fee is hereby granted, provided that the above
 10 2c251c14 2020-01-15 tracey  * copyright notice and this permission notice appear in all copies.
 11 2c251c14 2020-01-15 tracey  *
 12 2c251c14 2020-01-15 tracey  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 13 2c251c14 2020-01-15 tracey  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 14 2c251c14 2020-01-15 tracey  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 15 2c251c14 2020-01-15 tracey  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 16 2c251c14 2020-01-15 tracey  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 17 2c251c14 2020-01-15 tracey  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 18 2c251c14 2020-01-15 tracey  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 19 2c251c14 2020-01-15 tracey  */
 20 2c251c14 2020-01-15 tracey 
 21 2c251c14 2020-01-15 tracey %{
 22 2c251c14 2020-01-15 tracey #include <sys/types.h>
 23 2c251c14 2020-01-15 tracey #include <sys/queue.h>
 24 2c251c14 2020-01-15 tracey 
 25 2c251c14 2020-01-15 tracey #include <ctype.h>
 26 2c251c14 2020-01-15 tracey #include <err.h>
 27 2c251c14 2020-01-15 tracey #include <limits.h>
 28 2c251c14 2020-01-15 tracey #include <stdarg.h>
 29 2c251c14 2020-01-15 tracey #include <stdbool.h>
 30 2c251c14 2020-01-15 tracey #include <stdio.h>
 31 2c251c14 2020-01-15 tracey #include <stdlib.h>
 32 2c251c14 2020-01-15 tracey #include <string.h>
 33 2c251c14 2020-01-15 tracey 
 34 2c251c14 2020-01-15 tracey #include "gotweb.h"
 35 2c251c14 2020-01-15 tracey 
 36 2c251c14 2020-01-15 tracey TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
 37 2c251c14 2020-01-15 tracey static struct file {
 38 2c251c14 2020-01-15 tracey 	TAILQ_ENTRY(file)	 entry;
 39 2c251c14 2020-01-15 tracey 	FILE			*stream;
 40 2c251c14 2020-01-15 tracey 	char			*name;
 41 2c251c14 2020-01-15 tracey 	int			 lineno;
 42 2c251c14 2020-01-15 tracey 	int			 errors;
 43 2c251c14 2020-01-15 tracey 	const struct got_error*	 error;
 44 2c251c14 2020-01-15 tracey } *file, *topfile;
 45 2c251c14 2020-01-15 tracey struct file	*pushfile(const char *);
 46 2c251c14 2020-01-15 tracey int		 popfile(void);
 47 2c251c14 2020-01-15 tracey int		 yyparse(void);
 48 2c251c14 2020-01-15 tracey int		 yylex(void);
 49 2c251c14 2020-01-15 tracey int		 yyerror(const char *, ...)
 50 2c251c14 2020-01-15 tracey     __attribute__((__format__ (printf, 1, 2)))
 51 2c251c14 2020-01-15 tracey     __attribute__((__nonnull__ (1)));
 52 2c251c14 2020-01-15 tracey int		 kw_cmp(const void *, const void *);
 53 2c251c14 2020-01-15 tracey int		 lookup(char *);
 54 2c251c14 2020-01-15 tracey int		 lgetc(int);
 55 2c251c14 2020-01-15 tracey int		 lungetc(int);
 56 2c251c14 2020-01-15 tracey int		 findeol(void);
 57 2c251c14 2020-01-15 tracey 
 58 2c251c14 2020-01-15 tracey static const struct got_error*	 gerror = NULL;
 59 2c251c14 2020-01-15 tracey char				*syn_err;
 60 2c251c14 2020-01-15 tracey 
 61 2c251c14 2020-01-15 tracey struct gotweb_conf		*gw_conf;
 62 2c251c14 2020-01-15 tracey 
 63 2c251c14 2020-01-15 tracey typedef struct {
 64 2c251c14 2020-01-15 tracey 	union {
 65 2c251c14 2020-01-15 tracey 		int64_t			 number;
 66 2c251c14 2020-01-15 tracey 		char			*string;
 67 2c251c14 2020-01-15 tracey 	} v;
 68 2c251c14 2020-01-15 tracey 	int lineno;
 69 2c251c14 2020-01-15 tracey } YYSTYPE;
 70 2c251c14 2020-01-15 tracey 
 71 2c251c14 2020-01-15 tracey %}
 72 2c251c14 2020-01-15 tracey 
 73 2c251c14 2020-01-15 tracey %token	GOT_WWW_PATH GOT_MAX_REPOS GOT_SITE_NAME GOT_SITE_OWNER GOT_SITE_LINK
 74 2c251c14 2020-01-15 tracey %token	GOT_LOGO GOT_LOGO_URL GOT_SHOW_REPO_OWNER GOT_SHOW_REPO_AGE
 75 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_DESCRIPTION GOT_MAX_REPOS_DISPLAY GOT_REPOS_PATH
 76 2c251c14 2020-01-15 tracey %token	GOT_MAX_COMMITS_DISPLAY ON ERROR GOT_SHOW_SITE_OWNER
 77 2c251c14 2020-01-15 tracey %token	GOT_SHOW_REPO_CLONEURL
 78 2c251c14 2020-01-15 tracey %token	<v.string>		STRING
 79 2c251c14 2020-01-15 tracey %token	<v.number>		NUMBER
 80 2c251c14 2020-01-15 tracey %type	<v.number>		boolean
 81 2c251c14 2020-01-15 tracey %%
 82 2c251c14 2020-01-15 tracey 
 83 2c251c14 2020-01-15 tracey grammar		: /* empty */
 84 2c251c14 2020-01-15 tracey 		| grammar '\n'
 85 2c251c14 2020-01-15 tracey 		| grammar main '\n'
 86 2c251c14 2020-01-15 tracey 		| grammar error '\n'		{ file->errors++; }
 87 2c251c14 2020-01-15 tracey 		;
 88 2c251c14 2020-01-15 tracey 
 89 2c251c14 2020-01-15 tracey boolean		: STRING			{
 90 2c251c14 2020-01-15 tracey 			if (strcasecmp($1, "true") == 0 ||
 91 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "yes") == 0)
 92 2c251c14 2020-01-15 tracey 				$$ = 1;
 93 2c251c14 2020-01-15 tracey 			else if (strcasecmp($1, "false") == 0 ||
 94 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "off") == 0 ||
 95 2c251c14 2020-01-15 tracey 			    strcasecmp($1, "no") == 0)
 96 2c251c14 2020-01-15 tracey 				$$ = 0;
 97 2c251c14 2020-01-15 tracey 			else {
 98 2c251c14 2020-01-15 tracey 				yyerror("invalid boolean value '%s'", $1);
 99 2c251c14 2020-01-15 tracey 				free($1);
100 2c251c14 2020-01-15 tracey 				YYERROR;
101 2c251c14 2020-01-15 tracey 			}
102 2c251c14 2020-01-15 tracey 			free($1);
103 2c251c14 2020-01-15 tracey 		}
104 2c251c14 2020-01-15 tracey 		| ON				{ $$ = 1; }
105 2c251c14 2020-01-15 tracey 		;
106 2c251c14 2020-01-15 tracey 
107 2c251c14 2020-01-15 tracey main		: GOT_REPOS_PATH STRING {
108 54415d85 2020-01-15 tracey 			if ((gw_conf->got_repos_path = strdup($2)) == NULL)
109 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
110 54415d85 2020-01-15 tracey 		}
111 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS NUMBER {
112 2c251c14 2020-01-15 tracey 			if ($2 > 0)
113 2c251c14 2020-01-15 tracey 				gw_conf->got_max_repos = $2;
114 2c251c14 2020-01-15 tracey 		}
115 2c251c14 2020-01-15 tracey 		| GOT_SITE_NAME STRING {
116 54415d85 2020-01-15 tracey 				if ((gw_conf->got_site_name = strdup($2)) == NULL)
117 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
118 2c251c14 2020-01-15 tracey 		}
119 2c251c14 2020-01-15 tracey 		| GOT_SITE_OWNER STRING {
120 54415d85 2020-01-15 tracey 				if ((gw_conf->got_site_owner = strdup($2)) == NULL)
121 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
122 2c251c14 2020-01-15 tracey 		}
123 2c251c14 2020-01-15 tracey 		| GOT_SITE_LINK STRING {
124 54415d85 2020-01-15 tracey 				if ((gw_conf->got_site_link = strdup($2)) == NULL)
125 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
126 2c251c14 2020-01-15 tracey 		}
127 2c251c14 2020-01-15 tracey 		| GOT_LOGO STRING {
128 54415d85 2020-01-15 tracey 				if ((gw_conf->got_logo = strdup($2)) == NULL)
129 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
130 2c251c14 2020-01-15 tracey 		}
131 2c251c14 2020-01-15 tracey 		| GOT_LOGO_URL STRING {
132 54415d85 2020-01-15 tracey 				if ((gw_conf->got_logo_url = strdup($2)) == NULL)
133 2c251c14 2020-01-15 tracey 				errx(1, "out of memory");
134 2c251c14 2020-01-15 tracey 		}
135 2c251c14 2020-01-15 tracey 		| GOT_SHOW_SITE_OWNER boolean {
136 2c251c14 2020-01-15 tracey 			gw_conf->got_show_site_owner = $2;
137 2c251c14 2020-01-15 tracey 		}
138 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_OWNER boolean {
139 2c251c14 2020-01-15 tracey 			gw_conf->got_show_repo_owner = $2;
140 2c251c14 2020-01-15 tracey 		}
141 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_AGE boolean { gw_conf->got_show_repo_age = $2; }
142 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_DESCRIPTION boolean {
143 2c251c14 2020-01-15 tracey 			gw_conf->got_show_repo_description =	$2;
144 2c251c14 2020-01-15 tracey 		}
145 2c251c14 2020-01-15 tracey 		| GOT_SHOW_REPO_CLONEURL boolean {
146 2c251c14 2020-01-15 tracey 			gw_conf->got_show_repo_cloneurl =	$2;
147 2c251c14 2020-01-15 tracey 		}
148 2c251c14 2020-01-15 tracey 		| GOT_MAX_REPOS_DISPLAY NUMBER {
149 2c251c14 2020-01-15 tracey 			if ($2 > 0)
150 2c251c14 2020-01-15 tracey 				gw_conf->got_max_repos_display = $2;
151 2c251c14 2020-01-15 tracey 		}
152 2c251c14 2020-01-15 tracey 		| GOT_MAX_COMMITS_DISPLAY NUMBER {
153 2c251c14 2020-01-15 tracey 			if ($2 > 0)
154 2c251c14 2020-01-15 tracey 				gw_conf->got_max_commits_display = $2;
155 2c251c14 2020-01-15 tracey 		}
156 54415d85 2020-01-15 tracey 		;
157 2c251c14 2020-01-15 tracey 
158 2c251c14 2020-01-15 tracey %%
159 2c251c14 2020-01-15 tracey 
160 2c251c14 2020-01-15 tracey struct keywords {
161 2c251c14 2020-01-15 tracey 	const char	*k_name;
162 2c251c14 2020-01-15 tracey 	int		 k_val;
163 2c251c14 2020-01-15 tracey };
164 2c251c14 2020-01-15 tracey 
165 2c251c14 2020-01-15 tracey int
166 2c251c14 2020-01-15 tracey yyerror(const char *fmt, ...)
167 2c251c14 2020-01-15 tracey {
168 2c251c14 2020-01-15 tracey 	va_list		 ap;
169 2c251c14 2020-01-15 tracey 	char		*msg = NULL;
170 2c251c14 2020-01-15 tracey 	static char	 err_msg[512];
171 2c251c14 2020-01-15 tracey 
172 2c251c14 2020-01-15 tracey 	file->errors++;
173 2c251c14 2020-01-15 tracey 	va_start(ap, fmt);
174 2c251c14 2020-01-15 tracey 	if (vasprintf(&msg, fmt, ap) == -1)
175 2c251c14 2020-01-15 tracey 		errx(1, "yyerror vasprintf");
176 2c251c14 2020-01-15 tracey 	va_end(ap);
177 2c251c14 2020-01-15 tracey 	snprintf(err_msg, sizeof(err_msg), "%s:%d: %s", file->name,
178 2c251c14 2020-01-15 tracey 	    yylval.lineno, msg);
179 2c251c14 2020-01-15 tracey 	gerror = got_error_from_errno2("parse_error", err_msg);
180 2c251c14 2020-01-15 tracey 
181 2c251c14 2020-01-15 tracey 	free(msg);
182 2c251c14 2020-01-15 tracey 	return (0);
183 2c251c14 2020-01-15 tracey }
184 2c251c14 2020-01-15 tracey 
185 2c251c14 2020-01-15 tracey int
186 2c251c14 2020-01-15 tracey kw_cmp(const void *k, const void *e)
187 2c251c14 2020-01-15 tracey {
188 2c251c14 2020-01-15 tracey 	return (strcmp(k, ((const struct keywords *)e)->k_name));
189 2c251c14 2020-01-15 tracey }
190 2c251c14 2020-01-15 tracey 
191 2c251c14 2020-01-15 tracey int
192 2c251c14 2020-01-15 tracey lookup(char *s)
193 2c251c14 2020-01-15 tracey {
194 2c251c14 2020-01-15 tracey 	/* this has to be sorted always */
195 2c251c14 2020-01-15 tracey 	static const struct keywords keywords[] = {
196 2c251c14 2020-01-15 tracey 		{ "got_logo",			GOT_LOGO },
197 2c251c14 2020-01-15 tracey 		{ "got_logo_url",		GOT_LOGO_URL },
198 2c251c14 2020-01-15 tracey 		{ "got_max_commits_display",	GOT_MAX_COMMITS_DISPLAY },
199 2c251c14 2020-01-15 tracey 		{ "got_max_repos",		GOT_MAX_REPOS },
200 2c251c14 2020-01-15 tracey 		{ "got_max_repos_display",	GOT_MAX_REPOS_DISPLAY },
201 2c251c14 2020-01-15 tracey 		{ "got_repos_path",		GOT_REPOS_PATH },
202 2c251c14 2020-01-15 tracey 		{ "got_show_repo_age",		GOT_SHOW_REPO_AGE },
203 2c251c14 2020-01-15 tracey 		{ "got_show_repo_cloneurl",	GOT_SHOW_REPO_CLONEURL },
204 2c251c14 2020-01-15 tracey 		{ "got_show_repo_description",	GOT_SHOW_REPO_DESCRIPTION },
205 2c251c14 2020-01-15 tracey 		{ "got_show_repo_owner",	GOT_SHOW_REPO_OWNER },
206 2c251c14 2020-01-15 tracey 		{ "got_show_site_owner",	GOT_SHOW_SITE_OWNER },
207 2c251c14 2020-01-15 tracey 		{ "got_site_link",		GOT_SITE_LINK },
208 2c251c14 2020-01-15 tracey 		{ "got_site_name",		GOT_SITE_NAME },
209 2c251c14 2020-01-15 tracey 		{ "got_site_owner",		GOT_SITE_OWNER },
210 2c251c14 2020-01-15 tracey 	};
211 2c251c14 2020-01-15 tracey 	const struct keywords	*p;
212 2c251c14 2020-01-15 tracey 
213 2c251c14 2020-01-15 tracey 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
214 2c251c14 2020-01-15 tracey 	    sizeof(keywords[0]), kw_cmp);
215 2c251c14 2020-01-15 tracey 
216 2c251c14 2020-01-15 tracey 	if (p)
217 2c251c14 2020-01-15 tracey 		return (p->k_val);
218 2c251c14 2020-01-15 tracey 	else
219 2c251c14 2020-01-15 tracey 		return (STRING);
220 2c251c14 2020-01-15 tracey }
221 2c251c14 2020-01-15 tracey 
222 2c251c14 2020-01-15 tracey #define MAXPUSHBACK	128
223 2c251c14 2020-01-15 tracey 
224 2c251c14 2020-01-15 tracey u_char	*parsebuf;
225 2c251c14 2020-01-15 tracey int	 parseindex;
226 2c251c14 2020-01-15 tracey u_char	 pushback_buffer[MAXPUSHBACK];
227 2c251c14 2020-01-15 tracey int	 pushback_index = 0;
228 2c251c14 2020-01-15 tracey 
229 2c251c14 2020-01-15 tracey int
230 2c251c14 2020-01-15 tracey lgetc(int quotec)
231 2c251c14 2020-01-15 tracey {
232 2c251c14 2020-01-15 tracey 	int		c, next;
233 2c251c14 2020-01-15 tracey 
234 2c251c14 2020-01-15 tracey 	if (parsebuf) {
235 2c251c14 2020-01-15 tracey 		/* Read character from the parsebuffer instead of input. */
236 2c251c14 2020-01-15 tracey 		if (parseindex >= 0) {
237 2c251c14 2020-01-15 tracey 			c = parsebuf[parseindex++];
238 2c251c14 2020-01-15 tracey 			if (c != '\0')
239 2c251c14 2020-01-15 tracey 				return (c);
240 2c251c14 2020-01-15 tracey 			parsebuf = NULL;
241 2c251c14 2020-01-15 tracey 		} else
242 2c251c14 2020-01-15 tracey 			parseindex++;
243 2c251c14 2020-01-15 tracey 	}
244 2c251c14 2020-01-15 tracey 
245 2c251c14 2020-01-15 tracey 	if (pushback_index)
246 2c251c14 2020-01-15 tracey 		return (pushback_buffer[--pushback_index]);
247 2c251c14 2020-01-15 tracey 
248 2c251c14 2020-01-15 tracey 	if (quotec) {
249 2c251c14 2020-01-15 tracey 		if ((c = getc(file->stream)) == EOF) {
250 2c251c14 2020-01-15 tracey 			yyerror("reached end of file while parsing "
251 2c251c14 2020-01-15 tracey 			    "quoted string");
252 2c251c14 2020-01-15 tracey 			if (file == topfile || popfile() == EOF)
253 2c251c14 2020-01-15 tracey 				return (EOF);
254 2c251c14 2020-01-15 tracey 			return (quotec);
255 2c251c14 2020-01-15 tracey 		}
256 2c251c14 2020-01-15 tracey 		return (c);
257 2c251c14 2020-01-15 tracey 	}
258 2c251c14 2020-01-15 tracey 
259 2c251c14 2020-01-15 tracey 	while ((c = getc(file->stream)) == '\\') {
260 2c251c14 2020-01-15 tracey 		next = getc(file->stream);
261 2c251c14 2020-01-15 tracey 		if (next != '\n') {
262 2c251c14 2020-01-15 tracey 			c = next;
263 2c251c14 2020-01-15 tracey 			break;
264 2c251c14 2020-01-15 tracey 		}
265 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
266 2c251c14 2020-01-15 tracey 		file->lineno++;
267 2c251c14 2020-01-15 tracey 	}
268 2c251c14 2020-01-15 tracey 
269 2c251c14 2020-01-15 tracey 	while (c == EOF) {
270 2c251c14 2020-01-15 tracey 		if (file == topfile || popfile() == EOF)
271 2c251c14 2020-01-15 tracey 			return (EOF);
272 2c251c14 2020-01-15 tracey 		c = getc(file->stream);
273 2c251c14 2020-01-15 tracey 	}
274 2c251c14 2020-01-15 tracey 	return (c);
275 2c251c14 2020-01-15 tracey }
276 2c251c14 2020-01-15 tracey 
277 2c251c14 2020-01-15 tracey int
278 2c251c14 2020-01-15 tracey lungetc(int c)
279 2c251c14 2020-01-15 tracey {
280 2c251c14 2020-01-15 tracey 	if (c == EOF)
281 2c251c14 2020-01-15 tracey 		return (EOF);
282 2c251c14 2020-01-15 tracey 	if (parsebuf) {
283 2c251c14 2020-01-15 tracey 		parseindex--;
284 2c251c14 2020-01-15 tracey 		if (parseindex >= 0)
285 2c251c14 2020-01-15 tracey 			return (c);
286 2c251c14 2020-01-15 tracey 	}
287 2c251c14 2020-01-15 tracey 	if (pushback_index < MAXPUSHBACK-1)
288 2c251c14 2020-01-15 tracey 		return (pushback_buffer[pushback_index++] = c);
289 2c251c14 2020-01-15 tracey 	else
290 2c251c14 2020-01-15 tracey 		return (EOF);
291 2c251c14 2020-01-15 tracey }
292 2c251c14 2020-01-15 tracey 
293 2c251c14 2020-01-15 tracey int
294 2c251c14 2020-01-15 tracey findeol(void)
295 2c251c14 2020-01-15 tracey {
296 2c251c14 2020-01-15 tracey 	int	c;
297 2c251c14 2020-01-15 tracey 
298 2c251c14 2020-01-15 tracey 	parsebuf = NULL;
299 2c251c14 2020-01-15 tracey 
300 2c251c14 2020-01-15 tracey 	/* skip to either EOF or the first real EOL */
301 2c251c14 2020-01-15 tracey 	while (1) {
302 2c251c14 2020-01-15 tracey 		if (pushback_index)
303 2c251c14 2020-01-15 tracey 			c = pushback_buffer[--pushback_index];
304 2c251c14 2020-01-15 tracey 		else
305 2c251c14 2020-01-15 tracey 			c = lgetc(0);
306 2c251c14 2020-01-15 tracey 		if (c == '\n') {
307 2c251c14 2020-01-15 tracey 			file->lineno++;
308 2c251c14 2020-01-15 tracey 			break;
309 2c251c14 2020-01-15 tracey 		}
310 2c251c14 2020-01-15 tracey 		if (c == EOF)
311 2c251c14 2020-01-15 tracey 			break;
312 2c251c14 2020-01-15 tracey 	}
313 2c251c14 2020-01-15 tracey 	return (ERROR);
314 2c251c14 2020-01-15 tracey }
315 2c251c14 2020-01-15 tracey 
316 2c251c14 2020-01-15 tracey int
317 2c251c14 2020-01-15 tracey yylex(void)
318 2c251c14 2020-01-15 tracey {
319 2c251c14 2020-01-15 tracey 	u_char	 buf[8096];
320 2c251c14 2020-01-15 tracey 	u_char	*p;
321 2c251c14 2020-01-15 tracey 	int	 quotec, next, c;
322 2c251c14 2020-01-15 tracey 	int	 token;
323 2c251c14 2020-01-15 tracey 
324 2c251c14 2020-01-15 tracey 	p = buf;
325 2c251c14 2020-01-15 tracey 	while ((c = lgetc(0)) == ' ' || c == '\t')
326 2c251c14 2020-01-15 tracey 		; /* nothing */
327 2c251c14 2020-01-15 tracey 
328 2c251c14 2020-01-15 tracey 	yylval.lineno = file->lineno;
329 2c251c14 2020-01-15 tracey 	if (c == '#')
330 2c251c14 2020-01-15 tracey 		while ((c = lgetc(0)) != '\n' && c != EOF)
331 2c251c14 2020-01-15 tracey 			; /* nothing */
332 2c251c14 2020-01-15 tracey 
333 2c251c14 2020-01-15 tracey 	switch (c) {
334 2c251c14 2020-01-15 tracey 	case '\'':
335 2c251c14 2020-01-15 tracey 	case '"':
336 2c251c14 2020-01-15 tracey 		quotec = c;
337 2c251c14 2020-01-15 tracey 		while (1) {
338 2c251c14 2020-01-15 tracey 			if ((c = lgetc(quotec)) == EOF)
339 2c251c14 2020-01-15 tracey 				return (0);
340 2c251c14 2020-01-15 tracey 			if (c == '\n') {
341 2c251c14 2020-01-15 tracey 				file->lineno++;
342 2c251c14 2020-01-15 tracey 				continue;
343 2c251c14 2020-01-15 tracey 			} else if (c == '\\') {
344 2c251c14 2020-01-15 tracey 				if ((next = lgetc(quotec)) == EOF)
345 2c251c14 2020-01-15 tracey 					return (0);
346 2c251c14 2020-01-15 tracey 				if (next == quotec || next == ' ' ||
347 2c251c14 2020-01-15 tracey 				    next == '\t')
348 2c251c14 2020-01-15 tracey 					c = next;
349 2c251c14 2020-01-15 tracey 				else if (next == '\n') {
350 2c251c14 2020-01-15 tracey 					file->lineno++;
351 2c251c14 2020-01-15 tracey 					continue;
352 2c251c14 2020-01-15 tracey 				} else
353 2c251c14 2020-01-15 tracey 					lungetc(next);
354 2c251c14 2020-01-15 tracey 			} else if (c == quotec) {
355 2c251c14 2020-01-15 tracey 				*p = '\0';
356 2c251c14 2020-01-15 tracey 				break;
357 2c251c14 2020-01-15 tracey 			} else if (c == '\0') {
358 2c251c14 2020-01-15 tracey 				yyerror("syntax error");
359 2c251c14 2020-01-15 tracey 				return (findeol());
360 2c251c14 2020-01-15 tracey 			}
361 2c251c14 2020-01-15 tracey 			if (p + 1 >= buf + sizeof(buf) - 1) {
362 2c251c14 2020-01-15 tracey 				yyerror("string too long");
363 2c251c14 2020-01-15 tracey 				return (findeol());
364 2c251c14 2020-01-15 tracey 			}
365 2c251c14 2020-01-15 tracey 			*p++ = c;
366 2c251c14 2020-01-15 tracey 		}
367 2c251c14 2020-01-15 tracey 		yylval.v.string = strdup(buf);
368 2c251c14 2020-01-15 tracey 		if (yylval.v.string == NULL)
369 2c251c14 2020-01-15 tracey 			errx(1, "yylex: strdup");
370 2c251c14 2020-01-15 tracey 		return (STRING);
371 2c251c14 2020-01-15 tracey 	}
372 2c251c14 2020-01-15 tracey 
373 2c251c14 2020-01-15 tracey #define allowed_to_end_number(x) \
374 2c251c14 2020-01-15 tracey 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
375 2c251c14 2020-01-15 tracey 
376 2c251c14 2020-01-15 tracey 	if (c == '-' || isdigit(c)) {
377 2c251c14 2020-01-15 tracey 		do {
378 2c251c14 2020-01-15 tracey 			*p++ = c;
379 2c251c14 2020-01-15 tracey 			if ((size_t)(p-buf) >= sizeof(buf)) {
380 2c251c14 2020-01-15 tracey 				yyerror("string too long");
381 2c251c14 2020-01-15 tracey 				return (findeol());
382 2c251c14 2020-01-15 tracey 			}
383 2c251c14 2020-01-15 tracey 		} while ((c = lgetc(0)) != EOF && isdigit(c));
384 2c251c14 2020-01-15 tracey 		lungetc(c);
385 2c251c14 2020-01-15 tracey 		if (p == buf + 1 && buf[0] == '-')
386 2c251c14 2020-01-15 tracey 			goto nodigits;
387 2c251c14 2020-01-15 tracey 		if (c == EOF || allowed_to_end_number(c)) {
388 2c251c14 2020-01-15 tracey 			const char *errstr = NULL;
389 2c251c14 2020-01-15 tracey 
390 2c251c14 2020-01-15 tracey 			*p = '\0';
391 2c251c14 2020-01-15 tracey 			yylval.v.number = strtonum(buf, LLONG_MIN,
392 2c251c14 2020-01-15 tracey 			    LLONG_MAX, &errstr);
393 2c251c14 2020-01-15 tracey 			if (errstr) {
394 2c251c14 2020-01-15 tracey 				yyerror("\"%s\" invalid number: %s",
395 2c251c14 2020-01-15 tracey 				    buf, errstr);
396 2c251c14 2020-01-15 tracey 				return (findeol());
397 2c251c14 2020-01-15 tracey 			}
398 2c251c14 2020-01-15 tracey 			return (NUMBER);
399 2c251c14 2020-01-15 tracey 		} else {
400 2c251c14 2020-01-15 tracey nodigits:
401 2c251c14 2020-01-15 tracey 			while (p > buf + 1)
402 2c251c14 2020-01-15 tracey 				lungetc(*--p);
403 2c251c14 2020-01-15 tracey 			c = *--p;
404 2c251c14 2020-01-15 tracey 			if (c == '-')
405 2c251c14 2020-01-15 tracey 				return (c);
406 2c251c14 2020-01-15 tracey 		}
407 2c251c14 2020-01-15 tracey 	}
408 2c251c14 2020-01-15 tracey 
409 2c251c14 2020-01-15 tracey #define allowed_in_string(x) \
410 2c251c14 2020-01-15 tracey 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
411 2c251c14 2020-01-15 tracey 	x != '{' && x != '}' && x != '<' && x != '>' && \
412 2c251c14 2020-01-15 tracey 	x != '!' && x != '=' && x != '/' && x != '#' && \
413 2c251c14 2020-01-15 tracey 	x != ','))
414 2c251c14 2020-01-15 tracey 
415 2c251c14 2020-01-15 tracey 	if (isalnum(c) || c == ':' || c == '_' || c == '*') {
416 2c251c14 2020-01-15 tracey 		do {
417 2c251c14 2020-01-15 tracey 			*p++ = c;
418 2c251c14 2020-01-15 tracey 			if ((size_t)(p-buf) >= sizeof(buf)) {
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 		} while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
423 2c251c14 2020-01-15 tracey 		lungetc(c);
424 2c251c14 2020-01-15 tracey 		*p = '\0';
425 2c251c14 2020-01-15 tracey 		if ((token = lookup(buf)) == STRING)
426 2c251c14 2020-01-15 tracey 			if ((yylval.v.string = strdup(buf)) == NULL)
427 2c251c14 2020-01-15 tracey 				errx(1, "yylex: strdup");
428 2c251c14 2020-01-15 tracey 		return (token);
429 2c251c14 2020-01-15 tracey 	}
430 2c251c14 2020-01-15 tracey 	if (c == '\n') {
431 2c251c14 2020-01-15 tracey 		yylval.lineno = file->lineno;
432 2c251c14 2020-01-15 tracey 		file->lineno++;
433 2c251c14 2020-01-15 tracey 	}
434 2c251c14 2020-01-15 tracey 	if (c == EOF)
435 2c251c14 2020-01-15 tracey 		return (0);
436 2c251c14 2020-01-15 tracey 	return (c);
437 2c251c14 2020-01-15 tracey }
438 2c251c14 2020-01-15 tracey 
439 2c251c14 2020-01-15 tracey struct file *
440 2c251c14 2020-01-15 tracey pushfile(const char *name)
441 2c251c14 2020-01-15 tracey {
442 2c251c14 2020-01-15 tracey 	struct file	*nfile;
443 2c251c14 2020-01-15 tracey 
444 2c251c14 2020-01-15 tracey 	if ((nfile = calloc(1, sizeof(struct file))) == NULL) {
445 2c251c14 2020-01-15 tracey 		gerror = got_error(GOT_ERR_NO_SPACE);
446 2c251c14 2020-01-15 tracey 		return (NULL);
447 2c251c14 2020-01-15 tracey 	}
448 2c251c14 2020-01-15 tracey 	if ((nfile->name = strdup(name)) == NULL) {
449 2c251c14 2020-01-15 tracey 		gerror = got_error(GOT_ERR_NO_SPACE);
450 2c251c14 2020-01-15 tracey 		free(nfile);
451 2c251c14 2020-01-15 tracey 		return (NULL);
452 2c251c14 2020-01-15 tracey 	}
453 2c251c14 2020-01-15 tracey 	if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
454 2c251c14 2020-01-15 tracey 		gerror = got_error_from_errno2("parse_conf", nfile->name);
455 2c251c14 2020-01-15 tracey 		free(nfile->name);
456 2c251c14 2020-01-15 tracey 		free(nfile);
457 2c251c14 2020-01-15 tracey 		return (NULL);
458 2c251c14 2020-01-15 tracey 	}
459 2c251c14 2020-01-15 tracey 	nfile->lineno = 1;
460 2c251c14 2020-01-15 tracey 	TAILQ_INSERT_TAIL(&files, nfile, entry);
461 2c251c14 2020-01-15 tracey 	return (nfile);
462 2c251c14 2020-01-15 tracey }
463 2c251c14 2020-01-15 tracey 
464 2c251c14 2020-01-15 tracey int
465 2c251c14 2020-01-15 tracey popfile(void)
466 2c251c14 2020-01-15 tracey {
467 2c251c14 2020-01-15 tracey 	struct file	*prev;
468 2c251c14 2020-01-15 tracey 
469 2c251c14 2020-01-15 tracey 	if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
470 2c251c14 2020-01-15 tracey 		prev->errors += file->errors;
471 2c251c14 2020-01-15 tracey 
472 2c251c14 2020-01-15 tracey 	TAILQ_REMOVE(&files, file, entry);
473 2c251c14 2020-01-15 tracey 	fclose(file->stream);
474 2c251c14 2020-01-15 tracey 	free(file->name);
475 2c251c14 2020-01-15 tracey 	free(file);
476 2c251c14 2020-01-15 tracey 	file = prev;
477 2c251c14 2020-01-15 tracey 	return (file ? 0 : EOF);
478 2c251c14 2020-01-15 tracey }
479 2c251c14 2020-01-15 tracey 
480 2c251c14 2020-01-15 tracey const struct got_error*
481 2c251c14 2020-01-15 tracey parse_conf(const char *filename, struct gotweb_conf *gconf)
482 2c251c14 2020-01-15 tracey {
483 2c251c14 2020-01-15 tracey 	static const struct got_error*	 error = NULL;
484 2c251c14 2020-01-15 tracey 
485 2c251c14 2020-01-15 tracey 	gw_conf = gconf;
486 54415d85 2020-01-15 tracey 	if ((gw_conf->got_repos_path = strdup(D_GOTPATH)) == NULL)
487 54415d85 2020-01-15 tracey 	err(1, "strdup");
488 54415d85 2020-01-15 tracey 	if ((gw_conf->got_site_name = strdup(D_SITENAME)) == NULL)
489 54415d85 2020-01-15 tracey 	err(1, "strdup");
490 54415d85 2020-01-15 tracey 	if ((gw_conf->got_site_owner = strdup(D_SITEOWNER)) == NULL)
491 54415d85 2020-01-15 tracey 	err(1, "strdup");
492 54415d85 2020-01-15 tracey 	if ((gw_conf->got_site_link = strdup(D_SITELINK)) == NULL)
493 54415d85 2020-01-15 tracey 	err(1, "strdup");
494 54415d85 2020-01-15 tracey 	if ((gw_conf->got_logo = strdup(D_GOTLOGO)) == NULL)
495 54415d85 2020-01-15 tracey 	err(1, "strdup");
496 54415d85 2020-01-15 tracey 	if ((gw_conf->got_logo_url = strdup(D_GOTURL)) == NULL)
497 54415d85 2020-01-15 tracey 	err(1, "strdup");
498 2c251c14 2020-01-15 tracey 	gw_conf->got_show_site_owner = D_SHOWSOWNER;
499 2c251c14 2020-01-15 tracey 	gw_conf->got_show_repo_owner = D_SHOWROWNER;
500 2c251c14 2020-01-15 tracey 	gw_conf->got_show_repo_age = D_SHOWAGE;
501 2c251c14 2020-01-15 tracey 	gw_conf->got_show_repo_description = D_SHOWDESC;
502 2c251c14 2020-01-15 tracey 	gw_conf->got_show_repo_cloneurl = D_SHOWURL;
503 2c251c14 2020-01-15 tracey 	gw_conf->got_max_repos = D_MAXREPO;
504 2c251c14 2020-01-15 tracey 	gw_conf->got_max_repos_display = D_MAXREPODISP;
505 2c251c14 2020-01-15 tracey 	gw_conf->got_max_commits_display = D_MAXCOMMITDISP;
506 2c251c14 2020-01-15 tracey 	if ((file = pushfile(filename)) == NULL) {
507 2c251c14 2020-01-15 tracey 		goto done;
508 2c251c14 2020-01-15 tracey 	}
509 2c251c14 2020-01-15 tracey 	topfile = file;
510 2c251c14 2020-01-15 tracey 
511 2c251c14 2020-01-15 tracey 	yyparse();
512 2c251c14 2020-01-15 tracey 	popfile();
513 2c251c14 2020-01-15 tracey 	if (gerror)
514 2c251c14 2020-01-15 tracey 		error = gerror;
515 2c251c14 2020-01-15 tracey done:
516 2c251c14 2020-01-15 tracey 	return error;
517 2c251c14 2020-01-15 tracey }