1 8a35f56c 2022-07-16 thomas /*
   2 8a35f56c 2022-07-16 thomas  * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
   3 8a35f56c 2022-07-16 thomas  * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
   4 8a35f56c 2022-07-16 thomas  * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
   5 8a35f56c 2022-07-16 thomas  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
   6 8a35f56c 2022-07-16 thomas  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
   7 8a35f56c 2022-07-16 thomas  * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
   8 8a35f56c 2022-07-16 thomas  * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
   9 8a35f56c 2022-07-16 thomas  *
  10 8a35f56c 2022-07-16 thomas  * Permission to use, copy, modify, and distribute this software for any
  11 8a35f56c 2022-07-16 thomas  * purpose with or without fee is hereby granted, provided that the above
  12 8a35f56c 2022-07-16 thomas  * copyright notice and this permission notice appear in all copies.
  13 8a35f56c 2022-07-16 thomas  *
  14 8a35f56c 2022-07-16 thomas  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  15 8a35f56c 2022-07-16 thomas  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  16 8a35f56c 2022-07-16 thomas  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  17 8a35f56c 2022-07-16 thomas  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  18 8a35f56c 2022-07-16 thomas  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  19 8a35f56c 2022-07-16 thomas  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  20 8a35f56c 2022-07-16 thomas  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21 8a35f56c 2022-07-16 thomas  */
  22 8a35f56c 2022-07-16 thomas 
  23 8a35f56c 2022-07-16 thomas %{
  24 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
  25 4fccd2fe 2023-03-08 thomas 
  26 8a35f56c 2022-07-16 thomas #include <sys/ioctl.h>
  27 8a35f56c 2022-07-16 thomas #include <sys/types.h>
  28 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
  29 8a35f56c 2022-07-16 thomas #include <sys/socket.h>
  30 8a35f56c 2022-07-16 thomas #include <sys/stat.h>
  31 8a35f56c 2022-07-16 thomas 
  32 8a35f56c 2022-07-16 thomas #include <net/if.h>
  33 8a35f56c 2022-07-16 thomas #include <netinet/in.h>
  34 8a35f56c 2022-07-16 thomas 
  35 8a35f56c 2022-07-16 thomas #include <arpa/inet.h>
  36 8a35f56c 2022-07-16 thomas 
  37 8a35f56c 2022-07-16 thomas #include <ctype.h>
  38 8a35f56c 2022-07-16 thomas #include <err.h>
  39 8a35f56c 2022-07-16 thomas #include <errno.h>
  40 8a35f56c 2022-07-16 thomas #include <event.h>
  41 8a35f56c 2022-07-16 thomas #include <ifaddrs.h>
  42 8a35f56c 2022-07-16 thomas #include <limits.h>
  43 8a35f56c 2022-07-16 thomas #include <netdb.h>
  44 8a35f56c 2022-07-16 thomas #include <stdarg.h>
  45 8a35f56c 2022-07-16 thomas #include <stdlib.h>
  46 8a35f56c 2022-07-16 thomas #include <stdio.h>
  47 8a35f56c 2022-07-16 thomas #include <string.h>
  48 8a35f56c 2022-07-16 thomas #include <syslog.h>
  49 8a35f56c 2022-07-16 thomas #include <unistd.h>
  50 8a35f56c 2022-07-16 thomas 
  51 8a35f56c 2022-07-16 thomas #include "proc.h"
  52 8a35f56c 2022-07-16 thomas #include "gotwebd.h"
  53 cdbe1d7d 2022-08-06 thomas #include "got_sockaddr.h"
  54 8a35f56c 2022-07-16 thomas 
  55 8a35f56c 2022-07-16 thomas TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
  56 8a35f56c 2022-07-16 thomas static struct file {
  57 8a35f56c 2022-07-16 thomas 	TAILQ_ENTRY(file)	 entry;
  58 8a35f56c 2022-07-16 thomas 	FILE			*stream;
  59 8a35f56c 2022-07-16 thomas 	char			*name;
  60 8a35f56c 2022-07-16 thomas 	int			 lineno;
  61 8a35f56c 2022-07-16 thomas 	int			 errors;
  62 8a35f56c 2022-07-16 thomas } *file;
  63 8a35f56c 2022-07-16 thomas struct file	*newfile(const char *, int);
  64 8a35f56c 2022-07-16 thomas static void	 closefile(struct file *);
  65 8a35f56c 2022-07-16 thomas int		 check_file_secrecy(int, const char *);
  66 8a35f56c 2022-07-16 thomas int		 yyparse(void);
  67 8a35f56c 2022-07-16 thomas int		 yylex(void);
  68 8a35f56c 2022-07-16 thomas int		 yyerror(const char *, ...)
  69 8a35f56c 2022-07-16 thomas     __attribute__((__format__ (printf, 1, 2)))
  70 8a35f56c 2022-07-16 thomas     __attribute__((__nonnull__ (1)));
  71 8a35f56c 2022-07-16 thomas int		 kw_cmp(const void *, const void *);
  72 8a35f56c 2022-07-16 thomas int		 lookup(char *);
  73 8a35f56c 2022-07-16 thomas int		 lgetc(int);
  74 8a35f56c 2022-07-16 thomas int		 lungetc(int);
  75 8a35f56c 2022-07-16 thomas int		 findeol(void);
  76 8a35f56c 2022-07-16 thomas 
  77 8a35f56c 2022-07-16 thomas TAILQ_HEAD(symhead, sym)	 symhead = TAILQ_HEAD_INITIALIZER(symhead);
  78 8a35f56c 2022-07-16 thomas struct sym {
  79 8a35f56c 2022-07-16 thomas 	TAILQ_ENTRY(sym)	 entry;
  80 8a35f56c 2022-07-16 thomas 	int			 used;
  81 8a35f56c 2022-07-16 thomas 	int			 persist;
  82 8a35f56c 2022-07-16 thomas 	char			*nam;
  83 8a35f56c 2022-07-16 thomas 	char			*val;
  84 8a35f56c 2022-07-16 thomas };
  85 8a35f56c 2022-07-16 thomas 
  86 8a35f56c 2022-07-16 thomas int	 symset(const char *, const char *, int);
  87 8a35f56c 2022-07-16 thomas char	*symget(const char *);
  88 8a35f56c 2022-07-16 thomas 
  89 8a35f56c 2022-07-16 thomas static int		 errors;
  90 8a35f56c 2022-07-16 thomas 
  91 8a35f56c 2022-07-16 thomas static struct gotwebd		*gotwebd;
  92 8a35f56c 2022-07-16 thomas static struct server		*new_srv;
  93 8a35f56c 2022-07-16 thomas static struct server		*conf_new_server(const char *);
  94 8a35f56c 2022-07-16 thomas int				 getservice(const char *);
  95 8a35f56c 2022-07-16 thomas int				 n;
  96 8a35f56c 2022-07-16 thomas 
  97 e4c7e0b0 2022-08-30 thomas int		 get_addrs(const char *, struct server *, in_port_t);
  98 e4c7e0b0 2022-08-30 thomas int		 addr_dup_check(struct addresslist *, struct address *,
  99 e4c7e0b0 2022-08-30 thomas 		    const char *, const char *);
 100 e4c7e0b0 2022-08-30 thomas int		 add_addr(struct server *, struct address *);
 101 8a35f56c 2022-07-16 thomas struct address	*host_v4(const char *);
 102 8a35f56c 2022-07-16 thomas struct address	*host_v6(const char *);
 103 e4c7e0b0 2022-08-30 thomas int		 host_dns(const char *, struct server *,
 104 8a35f56c 2022-07-16 thomas 		    int, in_port_t, const char *, int);
 105 e4c7e0b0 2022-08-30 thomas int		 host_if(const char *, struct server *,
 106 8a35f56c 2022-07-16 thomas 		    int, in_port_t, const char *, int);
 107 e4c7e0b0 2022-08-30 thomas int		 host(const char *, struct server *,
 108 8a35f56c 2022-07-16 thomas 		    int, in_port_t, const char *, int);
 109 8a35f56c 2022-07-16 thomas int		 is_if_in_group(const char *, const char *);
 110 8a35f56c 2022-07-16 thomas 
 111 8a35f56c 2022-07-16 thomas typedef struct {
 112 8a35f56c 2022-07-16 thomas 	union {
 113 8a35f56c 2022-07-16 thomas 		long long	 number;
 114 8a35f56c 2022-07-16 thomas 		char		*string;
 115 8a35f56c 2022-07-16 thomas 		in_port_t	 port;
 116 8a35f56c 2022-07-16 thomas 	} v;
 117 8a35f56c 2022-07-16 thomas 	int lineno;
 118 8a35f56c 2022-07-16 thomas } YYSTYPE;
 119 8a35f56c 2022-07-16 thomas 
 120 8a35f56c 2022-07-16 thomas %}
 121 8a35f56c 2022-07-16 thomas 
 122 c24a47af 2022-08-11 thomas %token	LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
 123 8a35f56c 2022-07-16 thomas %token	LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
 124 8a35f56c 2022-07-16 thomas %token	MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
 125 3991b2a5 2022-10-31 thomas %token	SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
 126 bea82c4f 2023-01-06 thomas %token	UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
 127 8a35f56c 2022-07-16 thomas 
 128 8a35f56c 2022-07-16 thomas %token	<v.string>	STRING
 129 8a35f56c 2022-07-16 thomas %type	<v.port>	fcgiport
 130 8a35f56c 2022-07-16 thomas %token	<v.number>	NUMBER
 131 8a35f56c 2022-07-16 thomas %type	<v.number>	boolean
 132 8a35f56c 2022-07-16 thomas 
 133 8a35f56c 2022-07-16 thomas %%
 134 8a35f56c 2022-07-16 thomas 
 135 cfab1835 2022-10-04 thomas grammar		: /* empty */
 136 8a35f56c 2022-07-16 thomas 		| grammar '\n'
 137 cfab1835 2022-10-04 thomas 		| grammar varset '\n'
 138 8a35f56c 2022-07-16 thomas 		| grammar main '\n'
 139 8a35f56c 2022-07-16 thomas 		| grammar server '\n'
 140 cfab1835 2022-10-04 thomas 		| grammar error '\n'		{ file->errors++; }
 141 cfab1835 2022-10-04 thomas 		;
 142 cfab1835 2022-10-04 thomas 
 143 cfab1835 2022-10-04 thomas varset		: STRING '=' STRING	{
 144 cfab1835 2022-10-04 thomas 			char *s = $1;
 145 cfab1835 2022-10-04 thomas 			while (*s++) {
 146 cfab1835 2022-10-04 thomas 				if (isspace((unsigned char)*s)) {
 147 cfab1835 2022-10-04 thomas 					yyerror("macro name cannot contain "
 148 cfab1835 2022-10-04 thomas 					    "whitespace");
 149 cfab1835 2022-10-04 thomas 					free($1);
 150 cfab1835 2022-10-04 thomas 					free($3);
 151 cfab1835 2022-10-04 thomas 					YYERROR;
 152 cfab1835 2022-10-04 thomas 				}
 153 cfab1835 2022-10-04 thomas 			}
 154 cfab1835 2022-10-04 thomas 			if (symset($1, $3, 0) == -1)
 155 cfab1835 2022-10-04 thomas 				fatal("cannot store variable");
 156 cfab1835 2022-10-04 thomas 			free($1);
 157 cfab1835 2022-10-04 thomas 			free($3);
 158 cfab1835 2022-10-04 thomas 		}
 159 8a35f56c 2022-07-16 thomas 		;
 160 8a35f56c 2022-07-16 thomas 
 161 8a35f56c 2022-07-16 thomas boolean		: STRING {
 162 8a35f56c 2022-07-16 thomas 			if (strcasecmp($1, "1") == 0 ||
 163 8a35f56c 2022-07-16 thomas 			    strcasecmp($1, "yes") == 0 ||
 164 8a35f56c 2022-07-16 thomas 			    strcasecmp($1, "on") == 0)
 165 8a35f56c 2022-07-16 thomas 				$$ = 1;
 166 8a35f56c 2022-07-16 thomas 			else if (strcasecmp($1, "0") == 0 ||
 167 8a35f56c 2022-07-16 thomas 			    strcasecmp($1, "off") == 0 ||
 168 8a35f56c 2022-07-16 thomas 			    strcasecmp($1, "no") == 0)
 169 8a35f56c 2022-07-16 thomas 				$$ = 0;
 170 8a35f56c 2022-07-16 thomas 			else {
 171 8a35f56c 2022-07-16 thomas 				yyerror("invalid boolean value '%s'", $1);
 172 8a35f56c 2022-07-16 thomas 				free($1);
 173 8a35f56c 2022-07-16 thomas 				YYERROR;
 174 8a35f56c 2022-07-16 thomas 			}
 175 8a35f56c 2022-07-16 thomas 			free($1);
 176 8a35f56c 2022-07-16 thomas 		}
 177 8a35f56c 2022-07-16 thomas 		| ON { $$ = 1; }
 178 8a35f56c 2022-07-16 thomas 		| NUMBER { $$ = $1; }
 179 8a35f56c 2022-07-16 thomas 		;
 180 8a35f56c 2022-07-16 thomas 
 181 77fb808d 2022-08-29 thomas fcgiport	: PORT NUMBER {
 182 77fb808d 2022-08-29 thomas 			if ($2 <= 0 || $2 > (int)USHRT_MAX) {
 183 77fb808d 2022-08-29 thomas 				yyerror("invalid port: %lld", $2);
 184 8a35f56c 2022-07-16 thomas 				YYERROR;
 185 8a35f56c 2022-07-16 thomas 			}
 186 77fb808d 2022-08-29 thomas 			$$ = $2;
 187 8a35f56c 2022-07-16 thomas 		}
 188 77fb808d 2022-08-29 thomas 		| PORT STRING {
 189 8a35f56c 2022-07-16 thomas 			int	 val;
 190 8a35f56c 2022-07-16 thomas 
 191 77fb808d 2022-08-29 thomas 			if ((val = getservice($2)) == -1) {
 192 77fb808d 2022-08-29 thomas 				yyerror("invalid port: %s", $2);
 193 77fb808d 2022-08-29 thomas 				free($2);
 194 8a35f56c 2022-07-16 thomas 				YYERROR;
 195 8a35f56c 2022-07-16 thomas 			}
 196 77fb808d 2022-08-29 thomas 			free($2);
 197 8a35f56c 2022-07-16 thomas 
 198 8a35f56c 2022-07-16 thomas 			$$ = val;
 199 8a35f56c 2022-07-16 thomas 		}
 200 8a35f56c 2022-07-16 thomas 		;
 201 8a35f56c 2022-07-16 thomas 
 202 8a35f56c 2022-07-16 thomas main		: PREFORK NUMBER {
 203 8a35f56c 2022-07-16 thomas 			gotwebd->prefork_gotwebd = $2;
 204 8a35f56c 2022-07-16 thomas 		}
 205 8a35f56c 2022-07-16 thomas 		| CHROOT STRING {
 206 8a35f56c 2022-07-16 thomas 			n = strlcpy(gotwebd->httpd_chroot, $2,
 207 8a35f56c 2022-07-16 thomas 			    sizeof(gotwebd->httpd_chroot));
 208 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(gotwebd->httpd_chroot)) {
 209 8a35f56c 2022-07-16 thomas 				yyerror("%s: httpd_chroot truncated", __func__);
 210 8a35f56c 2022-07-16 thomas 				free($2);
 211 8a35f56c 2022-07-16 thomas 				YYERROR;
 212 8a35f56c 2022-07-16 thomas 			}
 213 8a35f56c 2022-07-16 thomas 			free($2);
 214 8a35f56c 2022-07-16 thomas 		}
 215 8a35f56c 2022-07-16 thomas 		| UNIX_SOCKET boolean {
 216 8a35f56c 2022-07-16 thomas 			gotwebd->unix_socket = $2;
 217 8a35f56c 2022-07-16 thomas 		}
 218 8a35f56c 2022-07-16 thomas 		| UNIX_SOCKET_NAME STRING {
 219 8a35f56c 2022-07-16 thomas 			n = snprintf(gotwebd->unix_socket_name,
 220 8a35f56c 2022-07-16 thomas 			    sizeof(gotwebd->unix_socket_name), "%s%s",
 221 8a35f56c 2022-07-16 thomas 			    strlen(gotwebd->httpd_chroot) ?
 222 8a35f56c 2022-07-16 thomas 			    gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
 223 717a78d4 2022-08-16 thomas 			if (n < 0 ||
 224 717a78d4 2022-08-16 thomas 			    (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
 225 8a35f56c 2022-07-16 thomas 				yyerror("%s: unix_socket_name truncated",
 226 8a35f56c 2022-07-16 thomas 				    __func__);
 227 8a35f56c 2022-07-16 thomas 				free($2);
 228 8a35f56c 2022-07-16 thomas 				YYERROR;
 229 8a35f56c 2022-07-16 thomas 			}
 230 8a35f56c 2022-07-16 thomas 			free($2);
 231 8a35f56c 2022-07-16 thomas 		}
 232 8a35f56c 2022-07-16 thomas 		;
 233 8a35f56c 2022-07-16 thomas 
 234 8a35f56c 2022-07-16 thomas server		: SERVER STRING {
 235 8a35f56c 2022-07-16 thomas 			struct server *srv;
 236 8a35f56c 2022-07-16 thomas 
 237 90d63d47 2022-08-16 thomas 			TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
 238 8a35f56c 2022-07-16 thomas 				if (strcmp(srv->name, $2) == 0) {
 239 8a35f56c 2022-07-16 thomas 					yyerror("server name exists '%s'", $2);
 240 8a35f56c 2022-07-16 thomas 					free($2);
 241 8a35f56c 2022-07-16 thomas 					YYERROR;
 242 8a35f56c 2022-07-16 thomas 				}
 243 8a35f56c 2022-07-16 thomas 			}
 244 8a35f56c 2022-07-16 thomas 
 245 8a35f56c 2022-07-16 thomas 			new_srv = conf_new_server($2);
 246 8a35f56c 2022-07-16 thomas 			log_debug("adding server %s", $2);
 247 8a35f56c 2022-07-16 thomas 			free($2);
 248 8a35f56c 2022-07-16 thomas 		}
 249 8a35f56c 2022-07-16 thomas 		| SERVER STRING {
 250 8a35f56c 2022-07-16 thomas 			struct server *srv;
 251 8a35f56c 2022-07-16 thomas 
 252 90d63d47 2022-08-16 thomas 			TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
 253 8a35f56c 2022-07-16 thomas 				if (strcmp(srv->name, $2) == 0) {
 254 8a35f56c 2022-07-16 thomas 					yyerror("server name exists '%s'", $2);
 255 8a35f56c 2022-07-16 thomas 					free($2);
 256 8a35f56c 2022-07-16 thomas 					YYERROR;
 257 8a35f56c 2022-07-16 thomas 				}
 258 8a35f56c 2022-07-16 thomas 			}
 259 8a35f56c 2022-07-16 thomas 
 260 8a35f56c 2022-07-16 thomas 			new_srv = conf_new_server($2);
 261 8a35f56c 2022-07-16 thomas 			log_debug("adding server %s", $2);
 262 8a35f56c 2022-07-16 thomas 			free($2);
 263 8a35f56c 2022-07-16 thomas 		} '{' optnl serveropts2 '}' {
 264 8a35f56c 2022-07-16 thomas 		}
 265 8a35f56c 2022-07-16 thomas 		;
 266 8a35f56c 2022-07-16 thomas 
 267 8a35f56c 2022-07-16 thomas serveropts1	: REPOS_PATH STRING {
 268 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->repos_path, $2,
 269 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->repos_path));
 270 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->repos_path)) {
 271 8a35f56c 2022-07-16 thomas 				yyerror("%s: repos_path truncated", __func__);
 272 8a35f56c 2022-07-16 thomas 				free($2);
 273 8a35f56c 2022-07-16 thomas 				YYERROR;
 274 8a35f56c 2022-07-16 thomas 			}
 275 8a35f56c 2022-07-16 thomas 			free($2);
 276 8a35f56c 2022-07-16 thomas 		}
 277 8a35f56c 2022-07-16 thomas 		| SITE_NAME STRING {
 278 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->site_name, $2,
 279 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->site_name));
 280 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->site_name)) {
 281 8a35f56c 2022-07-16 thomas 				yyerror("%s: site_name truncated", __func__);
 282 8a35f56c 2022-07-16 thomas 				free($2);
 283 8a35f56c 2022-07-16 thomas 				YYERROR;
 284 8a35f56c 2022-07-16 thomas 			}
 285 8a35f56c 2022-07-16 thomas 			free($2);
 286 8a35f56c 2022-07-16 thomas 		}
 287 8a35f56c 2022-07-16 thomas 		| SITE_OWNER STRING {
 288 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->site_owner, $2,
 289 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->site_owner));
 290 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->site_owner)) {
 291 8a35f56c 2022-07-16 thomas 				yyerror("%s: site_owner truncated", __func__);
 292 8a35f56c 2022-07-16 thomas 				free($2);
 293 8a35f56c 2022-07-16 thomas 				YYERROR;
 294 8a35f56c 2022-07-16 thomas 			}
 295 8a35f56c 2022-07-16 thomas 			free($2);
 296 8a35f56c 2022-07-16 thomas 		}
 297 8a35f56c 2022-07-16 thomas 		| SITE_LINK STRING {
 298 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->site_link, $2,
 299 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->site_link));
 300 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->site_link)) {
 301 8a35f56c 2022-07-16 thomas 				yyerror("%s: site_link truncated", __func__);
 302 8a35f56c 2022-07-16 thomas 				free($2);
 303 8a35f56c 2022-07-16 thomas 				YYERROR;
 304 8a35f56c 2022-07-16 thomas 			}
 305 8a35f56c 2022-07-16 thomas 			free($2);
 306 8a35f56c 2022-07-16 thomas 		}
 307 8a35f56c 2022-07-16 thomas 		| LOGO STRING {
 308 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
 309 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->logo)) {
 310 8a35f56c 2022-07-16 thomas 				yyerror("%s: logo truncated", __func__);
 311 8a35f56c 2022-07-16 thomas 				free($2);
 312 8a35f56c 2022-07-16 thomas 				YYERROR;
 313 8a35f56c 2022-07-16 thomas 			}
 314 8a35f56c 2022-07-16 thomas 			free($2);
 315 8a35f56c 2022-07-16 thomas 		}
 316 8a35f56c 2022-07-16 thomas 		| LOGO_URL STRING {
 317 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->logo_url, $2,
 318 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->logo_url));
 319 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->logo_url)) {
 320 8a35f56c 2022-07-16 thomas 				yyerror("%s: logo_url truncated", __func__);
 321 8a35f56c 2022-07-16 thomas 				free($2);
 322 8a35f56c 2022-07-16 thomas 				YYERROR;
 323 8a35f56c 2022-07-16 thomas 			}
 324 8a35f56c 2022-07-16 thomas 			free($2);
 325 8a35f56c 2022-07-16 thomas 		}
 326 8a35f56c 2022-07-16 thomas 		| CUSTOM_CSS STRING {
 327 8a35f56c 2022-07-16 thomas 			n = strlcpy(new_srv->custom_css, $2,
 328 8a35f56c 2022-07-16 thomas 			    sizeof(new_srv->custom_css));
 329 8a35f56c 2022-07-16 thomas 			if (n >= sizeof(new_srv->custom_css)) {
 330 8a35f56c 2022-07-16 thomas 				yyerror("%s: custom_css truncated", __func__);
 331 8a35f56c 2022-07-16 thomas 				free($2);
 332 8a35f56c 2022-07-16 thomas 				YYERROR;
 333 8a35f56c 2022-07-16 thomas 			}
 334 8a35f56c 2022-07-16 thomas 			free($2);
 335 8a35f56c 2022-07-16 thomas 		}
 336 77fb808d 2022-08-29 thomas 		| LISTEN ON STRING fcgiport {
 337 e4c7e0b0 2022-08-30 thomas 			if (get_addrs($3, new_srv, $4) == -1) {
 338 e4c7e0b0 2022-08-30 thomas 				yyerror("could not get addrs");
 339 77fb808d 2022-08-29 thomas 				YYERROR;
 340 77fb808d 2022-08-29 thomas 			}
 341 e4317279 2022-08-30 thomas 			new_srv->fcgi_socket = 1;
 342 77fb808d 2022-08-29 thomas 		}
 343 bea82c4f 2023-01-06 thomas 		| LISTEN ON SOCKET STRING {
 344 bea82c4f 2023-01-06 thomas 			if (!strcasecmp($4, "off") ||
 345 bea82c4f 2023-01-06 thomas 			    !strcasecmp($4, "no")) {
 346 bea82c4f 2023-01-06 thomas 				new_srv->unix_socket = 0;
 347 bea82c4f 2023-01-06 thomas 				free($4);
 348 bea82c4f 2023-01-06 thomas 				YYACCEPT;
 349 bea82c4f 2023-01-06 thomas 			}
 350 bea82c4f 2023-01-06 thomas 
 351 bea82c4f 2023-01-06 thomas 			new_srv->unix_socket = 1;
 352 bea82c4f 2023-01-06 thomas 
 353 bea82c4f 2023-01-06 thomas 			n = snprintf(new_srv->unix_socket_name,
 354 bea82c4f 2023-01-06 thomas 			    sizeof(new_srv->unix_socket_name), "%s%s",
 355 bea82c4f 2023-01-06 thomas 			    strlen(gotwebd->httpd_chroot) ?
 356 bea82c4f 2023-01-06 thomas 			    gotwebd->httpd_chroot : D_HTTPD_CHROOT, $4);
 357 bea82c4f 2023-01-06 thomas 			if (n < 0 ||
 358 bea82c4f 2023-01-06 thomas 			    (size_t)n >= sizeof(new_srv->unix_socket_name)) {
 359 bea82c4f 2023-01-06 thomas 				yyerror("%s: unix_socket_name truncated",
 360 bea82c4f 2023-01-06 thomas 				    __func__);
 361 bea82c4f 2023-01-06 thomas 				free($4);
 362 bea82c4f 2023-01-06 thomas 				YYERROR;
 363 bea82c4f 2023-01-06 thomas 			}
 364 bea82c4f 2023-01-06 thomas 			free($4);
 365 bea82c4f 2023-01-06 thomas 		}
 366 8a35f56c 2022-07-16 thomas 		| MAX_REPOS NUMBER {
 367 8a35f56c 2022-07-16 thomas 			if ($2 > 0)
 368 8a35f56c 2022-07-16 thomas 				new_srv->max_repos = $2;
 369 8a35f56c 2022-07-16 thomas 		}
 370 8a35f56c 2022-07-16 thomas 		| SHOW_SITE_OWNER boolean {
 371 8a35f56c 2022-07-16 thomas 			new_srv->show_site_owner = $2;
 372 8a35f56c 2022-07-16 thomas 		}
 373 8a35f56c 2022-07-16 thomas 		| SHOW_REPO_OWNER boolean {
 374 8a35f56c 2022-07-16 thomas 			new_srv->show_repo_owner = $2;
 375 8a35f56c 2022-07-16 thomas 		}
 376 8a35f56c 2022-07-16 thomas 		| SHOW_REPO_AGE boolean {
 377 8a35f56c 2022-07-16 thomas 			new_srv->show_repo_age = $2;
 378 8a35f56c 2022-07-16 thomas 		}
 379 8a35f56c 2022-07-16 thomas 		| SHOW_REPO_DESCRIPTION boolean {
 380 8a35f56c 2022-07-16 thomas 			new_srv->show_repo_description = $2;
 381 8a35f56c 2022-07-16 thomas 		}
 382 8a35f56c 2022-07-16 thomas 		| SHOW_REPO_CLONEURL boolean {
 383 8a35f56c 2022-07-16 thomas 			new_srv->show_repo_cloneurl = $2;
 384 8a35f56c 2022-07-16 thomas 		}
 385 3991b2a5 2022-10-31 thomas 		| RESPECT_EXPORTOK boolean {
 386 3991b2a5 2022-10-31 thomas 			new_srv->respect_exportok = $2;
 387 3991b2a5 2022-10-31 thomas 		}
 388 8a35f56c 2022-07-16 thomas 		| MAX_REPOS_DISPLAY NUMBER {
 389 8a35f56c 2022-07-16 thomas 				new_srv->max_repos_display = $2;
 390 8a35f56c 2022-07-16 thomas 		}
 391 8a35f56c 2022-07-16 thomas 		| MAX_COMMITS_DISPLAY NUMBER {
 392 8a35f56c 2022-07-16 thomas 			if ($2 > 0)
 393 8a35f56c 2022-07-16 thomas 				new_srv->max_commits_display = $2;
 394 8a35f56c 2022-07-16 thomas 		}
 395 8a35f56c 2022-07-16 thomas 		;
 396 8a35f56c 2022-07-16 thomas 
 397 8a35f56c 2022-07-16 thomas serveropts2	: serveropts2 serveropts1 nl
 398 8a35f56c 2022-07-16 thomas 		| serveropts1 optnl
 399 8a35f56c 2022-07-16 thomas 		;
 400 8a35f56c 2022-07-16 thomas 
 401 8a35f56c 2022-07-16 thomas nl		: '\n' optnl
 402 8a35f56c 2022-07-16 thomas 		;
 403 8a35f56c 2022-07-16 thomas 
 404 8a35f56c 2022-07-16 thomas optnl		: '\n' optnl		/* zero or more newlines */
 405 8a35f56c 2022-07-16 thomas 		| /* empty */
 406 8a35f56c 2022-07-16 thomas 		;
 407 8a35f56c 2022-07-16 thomas 
 408 8a35f56c 2022-07-16 thomas %%
 409 8a35f56c 2022-07-16 thomas 
 410 8a35f56c 2022-07-16 thomas struct keywords {
 411 8a35f56c 2022-07-16 thomas 	const char	*k_name;
 412 8a35f56c 2022-07-16 thomas 	int		 k_val;
 413 8a35f56c 2022-07-16 thomas };
 414 8a35f56c 2022-07-16 thomas 
 415 8a35f56c 2022-07-16 thomas int
 416 8a35f56c 2022-07-16 thomas yyerror(const char *fmt, ...)
 417 8a35f56c 2022-07-16 thomas {
 418 8a35f56c 2022-07-16 thomas 	va_list ap;
 419 8a35f56c 2022-07-16 thomas 	char *msg;
 420 8a35f56c 2022-07-16 thomas 
 421 8a35f56c 2022-07-16 thomas 	file->errors++;
 422 8a35f56c 2022-07-16 thomas 	va_start(ap, fmt);
 423 8a35f56c 2022-07-16 thomas 	if (vasprintf(&msg, fmt, ap) == -1)
 424 8a35f56c 2022-07-16 thomas 		fatalx("yyerror vasprintf");
 425 8a35f56c 2022-07-16 thomas 	va_end(ap);
 426 8a35f56c 2022-07-16 thomas 	logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
 427 8a35f56c 2022-07-16 thomas 	free(msg);
 428 8a35f56c 2022-07-16 thomas 	return (0);
 429 8a35f56c 2022-07-16 thomas }
 430 8a35f56c 2022-07-16 thomas 
 431 8a35f56c 2022-07-16 thomas int
 432 8a35f56c 2022-07-16 thomas kw_cmp(const void *k, const void *e)
 433 8a35f56c 2022-07-16 thomas {
 434 8a35f56c 2022-07-16 thomas 	return (strcmp(k, ((const struct keywords *)e)->k_name));
 435 8a35f56c 2022-07-16 thomas }
 436 8a35f56c 2022-07-16 thomas 
 437 8a35f56c 2022-07-16 thomas int
 438 8a35f56c 2022-07-16 thomas lookup(char *s)
 439 8a35f56c 2022-07-16 thomas {
 440 8a35f56c 2022-07-16 thomas 	/* This has to be sorted always. */
 441 8a35f56c 2022-07-16 thomas 	static const struct keywords keywords[] = {
 442 8a35f56c 2022-07-16 thomas 		{ "chroot",			CHROOT },
 443 8a35f56c 2022-07-16 thomas 		{ "custom_css",			CUSTOM_CSS },
 444 c24a47af 2022-08-11 thomas 		{ "listen",			LISTEN },
 445 8a35f56c 2022-07-16 thomas 		{ "logo",			LOGO },
 446 f0b4ad15 2023-01-02 thomas 		{ "logo_url",			LOGO_URL },
 447 8a35f56c 2022-07-16 thomas 		{ "max_commits_display",	MAX_COMMITS_DISPLAY },
 448 8a35f56c 2022-07-16 thomas 		{ "max_repos",			MAX_REPOS },
 449 8a35f56c 2022-07-16 thomas 		{ "max_repos_display",		MAX_REPOS_DISPLAY },
 450 c24a47af 2022-08-11 thomas 		{ "on",				ON },
 451 8a35f56c 2022-07-16 thomas 		{ "port",			PORT },
 452 8a35f56c 2022-07-16 thomas 		{ "prefork",			PREFORK },
 453 8a35f56c 2022-07-16 thomas 		{ "repos_path",			REPOS_PATH },
 454 3991b2a5 2022-10-31 thomas 		{ "respect_exportok",		RESPECT_EXPORTOK },
 455 8a35f56c 2022-07-16 thomas 		{ "server",			SERVER },
 456 8a35f56c 2022-07-16 thomas 		{ "show_repo_age",		SHOW_REPO_AGE },
 457 8a35f56c 2022-07-16 thomas 		{ "show_repo_cloneurl",		SHOW_REPO_CLONEURL },
 458 8a35f56c 2022-07-16 thomas 		{ "show_repo_description",	SHOW_REPO_DESCRIPTION },
 459 8a35f56c 2022-07-16 thomas 		{ "show_repo_owner",		SHOW_REPO_OWNER },
 460 8a35f56c 2022-07-16 thomas 		{ "show_site_owner",		SHOW_SITE_OWNER },
 461 8a35f56c 2022-07-16 thomas 		{ "site_link",			SITE_LINK },
 462 8a35f56c 2022-07-16 thomas 		{ "site_name",			SITE_NAME },
 463 8a35f56c 2022-07-16 thomas 		{ "site_owner",			SITE_OWNER },
 464 bea82c4f 2023-01-06 thomas 		{ "socket",			SOCKET },
 465 8a35f56c 2022-07-16 thomas 		{ "unix_socket",		UNIX_SOCKET },
 466 8a35f56c 2022-07-16 thomas 		{ "unix_socket_name",		UNIX_SOCKET_NAME },
 467 8a35f56c 2022-07-16 thomas 	};
 468 8a35f56c 2022-07-16 thomas 	const struct keywords *p;
 469 8a35f56c 2022-07-16 thomas 
 470 8a35f56c 2022-07-16 thomas 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
 471 8a35f56c 2022-07-16 thomas 	    sizeof(keywords[0]), kw_cmp);
 472 8a35f56c 2022-07-16 thomas 
 473 8a35f56c 2022-07-16 thomas 	if (p)
 474 8a35f56c 2022-07-16 thomas 		return (p->k_val);
 475 8a35f56c 2022-07-16 thomas 	else
 476 8a35f56c 2022-07-16 thomas 		return (STRING);
 477 8a35f56c 2022-07-16 thomas }
 478 8a35f56c 2022-07-16 thomas 
 479 8a35f56c 2022-07-16 thomas #define MAXPUSHBACK	128
 480 8a35f56c 2022-07-16 thomas 
 481 8a35f56c 2022-07-16 thomas unsigned char *parsebuf;
 482 8a35f56c 2022-07-16 thomas int parseindex;
 483 8a35f56c 2022-07-16 thomas unsigned char pushback_buffer[MAXPUSHBACK];
 484 8a35f56c 2022-07-16 thomas int pushback_index = 0;
 485 8a35f56c 2022-07-16 thomas 
 486 8a35f56c 2022-07-16 thomas int
 487 8a35f56c 2022-07-16 thomas lgetc(int quotec)
 488 8a35f56c 2022-07-16 thomas {
 489 8a35f56c 2022-07-16 thomas 	int c, next;
 490 8a35f56c 2022-07-16 thomas 
 491 8a35f56c 2022-07-16 thomas 	if (parsebuf) {
 492 8a35f56c 2022-07-16 thomas 		/* Read character from the parsebuffer instead of input. */
 493 8a35f56c 2022-07-16 thomas 		if (parseindex >= 0) {
 494 8a35f56c 2022-07-16 thomas 			c = parsebuf[parseindex++];
 495 8a35f56c 2022-07-16 thomas 			if (c != '\0')
 496 8a35f56c 2022-07-16 thomas 				return (c);
 497 8a35f56c 2022-07-16 thomas 			parsebuf = NULL;
 498 8a35f56c 2022-07-16 thomas 		} else
 499 8a35f56c 2022-07-16 thomas 			parseindex++;
 500 8a35f56c 2022-07-16 thomas 	}
 501 8a35f56c 2022-07-16 thomas 
 502 8a35f56c 2022-07-16 thomas 	if (pushback_index)
 503 8a35f56c 2022-07-16 thomas 		return (pushback_buffer[--pushback_index]);
 504 8a35f56c 2022-07-16 thomas 
 505 8a35f56c 2022-07-16 thomas 	if (quotec) {
 506 8a35f56c 2022-07-16 thomas 		c = getc(file->stream);
 507 8a35f56c 2022-07-16 thomas 		if (c == EOF)
 508 8a35f56c 2022-07-16 thomas 			yyerror("reached end of file while parsing "
 509 8a35f56c 2022-07-16 thomas 			    "quoted string");
 510 8a35f56c 2022-07-16 thomas 		return (c);
 511 8a35f56c 2022-07-16 thomas 	}
 512 8a35f56c 2022-07-16 thomas 
 513 8a35f56c 2022-07-16 thomas 	c = getc(file->stream);
 514 8a35f56c 2022-07-16 thomas 	while (c == '\\') {
 515 8a35f56c 2022-07-16 thomas 		next = getc(file->stream);
 516 8a35f56c 2022-07-16 thomas 		if (next != '\n') {
 517 8a35f56c 2022-07-16 thomas 			c = next;
 518 8a35f56c 2022-07-16 thomas 			break;
 519 8a35f56c 2022-07-16 thomas 		}
 520 8a35f56c 2022-07-16 thomas 		yylval.lineno = file->lineno;
 521 8a35f56c 2022-07-16 thomas 		file->lineno++;
 522 8a35f56c 2022-07-16 thomas 		c = getc(file->stream);
 523 8a35f56c 2022-07-16 thomas 	}
 524 8a35f56c 2022-07-16 thomas 
 525 8a35f56c 2022-07-16 thomas 	return (c);
 526 8a35f56c 2022-07-16 thomas }
 527 8a35f56c 2022-07-16 thomas 
 528 8a35f56c 2022-07-16 thomas int
 529 8a35f56c 2022-07-16 thomas lungetc(int c)
 530 8a35f56c 2022-07-16 thomas {
 531 8a35f56c 2022-07-16 thomas 	if (c == EOF)
 532 8a35f56c 2022-07-16 thomas 		return (EOF);
 533 8a35f56c 2022-07-16 thomas 	if (parsebuf) {
 534 8a35f56c 2022-07-16 thomas 		parseindex--;
 535 8a35f56c 2022-07-16 thomas 		if (parseindex >= 0)
 536 8a35f56c 2022-07-16 thomas 			return (c);
 537 8a35f56c 2022-07-16 thomas 	}
 538 8a35f56c 2022-07-16 thomas 	if (pushback_index < MAXPUSHBACK-1)
 539 8a35f56c 2022-07-16 thomas 		return (pushback_buffer[pushback_index++] = c);
 540 8a35f56c 2022-07-16 thomas 	else
 541 8a35f56c 2022-07-16 thomas 		return (EOF);
 542 8a35f56c 2022-07-16 thomas }
 543 8a35f56c 2022-07-16 thomas 
 544 8a35f56c 2022-07-16 thomas int
 545 8a35f56c 2022-07-16 thomas findeol(void)
 546 8a35f56c 2022-07-16 thomas {
 547 8a35f56c 2022-07-16 thomas 	int c;
 548 8a35f56c 2022-07-16 thomas 
 549 8a35f56c 2022-07-16 thomas 	parsebuf = NULL;
 550 8a35f56c 2022-07-16 thomas 
 551 8a35f56c 2022-07-16 thomas 	/* Skip to either EOF or the first real EOL. */
 552 8a35f56c 2022-07-16 thomas 	while (1) {
 553 8a35f56c 2022-07-16 thomas 		if (pushback_index)
 554 8a35f56c 2022-07-16 thomas 			c = pushback_buffer[--pushback_index];
 555 8a35f56c 2022-07-16 thomas 		else
 556 8a35f56c 2022-07-16 thomas 			c = lgetc(0);
 557 8a35f56c 2022-07-16 thomas 		if (c == '\n') {
 558 8a35f56c 2022-07-16 thomas 			file->lineno++;
 559 8a35f56c 2022-07-16 thomas 			break;
 560 8a35f56c 2022-07-16 thomas 		}
 561 8a35f56c 2022-07-16 thomas 		if (c == EOF)
 562 8a35f56c 2022-07-16 thomas 			break;
 563 8a35f56c 2022-07-16 thomas 	}
 564 8a35f56c 2022-07-16 thomas 	return (ERROR);
 565 8a35f56c 2022-07-16 thomas }
 566 8a35f56c 2022-07-16 thomas 
 567 8a35f56c 2022-07-16 thomas int
 568 8a35f56c 2022-07-16 thomas yylex(void)
 569 8a35f56c 2022-07-16 thomas {
 570 8a35f56c 2022-07-16 thomas 	unsigned char buf[8096];
 571 8a35f56c 2022-07-16 thomas 	unsigned char *p, *val;
 572 8a35f56c 2022-07-16 thomas 	int quotec, next, c;
 573 8a35f56c 2022-07-16 thomas 	int token;
 574 8a35f56c 2022-07-16 thomas 
 575 8a35f56c 2022-07-16 thomas top:
 576 8a35f56c 2022-07-16 thomas 	p = buf;
 577 8a35f56c 2022-07-16 thomas 	c = lgetc(0);
 578 8a35f56c 2022-07-16 thomas 	while (c == ' ' || c == '\t')
 579 8a35f56c 2022-07-16 thomas 		c = lgetc(0); /* nothing */
 580 8a35f56c 2022-07-16 thomas 
 581 8a35f56c 2022-07-16 thomas 	yylval.lineno = file->lineno;
 582 8a35f56c 2022-07-16 thomas 	if (c == '#') {
 583 8a35f56c 2022-07-16 thomas 		c = lgetc(0);
 584 8a35f56c 2022-07-16 thomas 		while (c != '\n' && c != EOF)
 585 8a35f56c 2022-07-16 thomas 			c = lgetc(0); /* nothing */
 586 8a35f56c 2022-07-16 thomas 	}
 587 8a35f56c 2022-07-16 thomas 	if (c == '$' && parsebuf == NULL) {
 588 8a35f56c 2022-07-16 thomas 		while (1) {
 589 8a35f56c 2022-07-16 thomas 			c = lgetc(0);
 590 8a35f56c 2022-07-16 thomas 			if (c == EOF)
 591 8a35f56c 2022-07-16 thomas 				return (0);
 592 8a35f56c 2022-07-16 thomas 
 593 8a35f56c 2022-07-16 thomas 			if (p + 1 >= buf + sizeof(buf) - 1) {
 594 8a35f56c 2022-07-16 thomas 				yyerror("string too long");
 595 8a35f56c 2022-07-16 thomas 				return (findeol());
 596 8a35f56c 2022-07-16 thomas 			}
 597 8a35f56c 2022-07-16 thomas 			if (isalnum(c) || c == '_') {
 598 8a35f56c 2022-07-16 thomas 				*p++ = c;
 599 8a35f56c 2022-07-16 thomas 				continue;
 600 8a35f56c 2022-07-16 thomas 			}
 601 8a35f56c 2022-07-16 thomas 			*p = '\0';
 602 8a35f56c 2022-07-16 thomas 			lungetc(c);
 603 8a35f56c 2022-07-16 thomas 			break;
 604 8a35f56c 2022-07-16 thomas 		}
 605 8a35f56c 2022-07-16 thomas 		val = symget(buf);
 606 8a35f56c 2022-07-16 thomas 		if (val == NULL) {
 607 8a35f56c 2022-07-16 thomas 			yyerror("macro '%s' not defined", buf);
 608 8a35f56c 2022-07-16 thomas 			return (findeol());
 609 8a35f56c 2022-07-16 thomas 		}
 610 8a35f56c 2022-07-16 thomas 		parsebuf = val;
 611 8a35f56c 2022-07-16 thomas 		parseindex = 0;
 612 8a35f56c 2022-07-16 thomas 		goto top;
 613 8a35f56c 2022-07-16 thomas 	}
 614 8a35f56c 2022-07-16 thomas 
 615 8a35f56c 2022-07-16 thomas 	switch (c) {
 616 8a35f56c 2022-07-16 thomas 	case '\'':
 617 8a35f56c 2022-07-16 thomas 	case '"':
 618 8a35f56c 2022-07-16 thomas 		quotec = c;
 619 8a35f56c 2022-07-16 thomas 		while (1) {
 620 8a35f56c 2022-07-16 thomas 			c = lgetc(quotec);
 621 8a35f56c 2022-07-16 thomas 			if (c == EOF)
 622 8a35f56c 2022-07-16 thomas 				return (0);
 623 8a35f56c 2022-07-16 thomas 			if (c == '\n') {
 624 8a35f56c 2022-07-16 thomas 				file->lineno++;
 625 8a35f56c 2022-07-16 thomas 				continue;
 626 8a35f56c 2022-07-16 thomas 			} else if (c == '\\') {
 627 8a35f56c 2022-07-16 thomas 				next = lgetc(quotec);
 628 8a35f56c 2022-07-16 thomas 				if (next == EOF)
 629 8a35f56c 2022-07-16 thomas 					return (0);
 630 8a35f56c 2022-07-16 thomas 				if (next == quotec || c == ' ' || c == '\t')
 631 8a35f56c 2022-07-16 thomas 					c = next;
 632 8a35f56c 2022-07-16 thomas 				else if (next == '\n') {
 633 8a35f56c 2022-07-16 thomas 					file->lineno++;
 634 8a35f56c 2022-07-16 thomas 					continue;
 635 8a35f56c 2022-07-16 thomas 				} else
 636 8a35f56c 2022-07-16 thomas 					lungetc(next);
 637 8a35f56c 2022-07-16 thomas 			} else if (c == quotec) {
 638 8a35f56c 2022-07-16 thomas 				*p = '\0';
 639 8a35f56c 2022-07-16 thomas 				break;
 640 8a35f56c 2022-07-16 thomas 			} else if (c == '\0') {
 641 8a35f56c 2022-07-16 thomas 				yyerror("syntax error");
 642 8a35f56c 2022-07-16 thomas 				return (findeol());
 643 8a35f56c 2022-07-16 thomas 			}
 644 8a35f56c 2022-07-16 thomas 			if (p + 1 >= buf + sizeof(buf) - 1) {
 645 8a35f56c 2022-07-16 thomas 				yyerror("string too long");
 646 8a35f56c 2022-07-16 thomas 				return (findeol());
 647 8a35f56c 2022-07-16 thomas 			}
 648 8a35f56c 2022-07-16 thomas 			*p++ = c;
 649 8a35f56c 2022-07-16 thomas 		}
 650 8a35f56c 2022-07-16 thomas 		yylval.v.string = strdup(buf);
 651 8a35f56c 2022-07-16 thomas 		if (yylval.v.string == NULL)
 652 8a35f56c 2022-07-16 thomas 			err(1, "yylex: strdup");
 653 8a35f56c 2022-07-16 thomas 		return (STRING);
 654 8a35f56c 2022-07-16 thomas 	}
 655 8a35f56c 2022-07-16 thomas 
 656 8a35f56c 2022-07-16 thomas #define allowed_to_end_number(x) \
 657 8a35f56c 2022-07-16 thomas 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
 658 8a35f56c 2022-07-16 thomas 
 659 8a35f56c 2022-07-16 thomas 	if (c == '-' || isdigit(c)) {
 660 8a35f56c 2022-07-16 thomas 		do {
 661 8a35f56c 2022-07-16 thomas 			*p++ = c;
 662 8a35f56c 2022-07-16 thomas 			if ((unsigned)(p-buf) >= sizeof(buf)) {
 663 8a35f56c 2022-07-16 thomas 				yyerror("string too long");
 664 8a35f56c 2022-07-16 thomas 				return (findeol());
 665 8a35f56c 2022-07-16 thomas 			}
 666 8a35f56c 2022-07-16 thomas 			c = lgetc(0);
 667 8a35f56c 2022-07-16 thomas 		} while (c != EOF && isdigit(c));
 668 8a35f56c 2022-07-16 thomas 		lungetc(c);
 669 8a35f56c 2022-07-16 thomas 		if (p == buf + 1 && buf[0] == '-')
 670 8a35f56c 2022-07-16 thomas 			goto nodigits;
 671 8a35f56c 2022-07-16 thomas 		if (c == EOF || allowed_to_end_number(c)) {
 672 8a35f56c 2022-07-16 thomas 			const char *errstr = NULL;
 673 8a35f56c 2022-07-16 thomas 
 674 8a35f56c 2022-07-16 thomas 			*p = '\0';
 675 8a35f56c 2022-07-16 thomas 			yylval.v.number = strtonum(buf, LLONG_MIN,
 676 8a35f56c 2022-07-16 thomas 			    LLONG_MAX, &errstr);
 677 8a35f56c 2022-07-16 thomas 			if (errstr) {
 678 8a35f56c 2022-07-16 thomas 				yyerror("\"%s\" invalid number: %s",
 679 8a35f56c 2022-07-16 thomas 				    buf, errstr);
 680 8a35f56c 2022-07-16 thomas 				return (findeol());
 681 8a35f56c 2022-07-16 thomas 			}
 682 8a35f56c 2022-07-16 thomas 			return (NUMBER);
 683 8a35f56c 2022-07-16 thomas 		} else {
 684 8a35f56c 2022-07-16 thomas nodigits:
 685 8a35f56c 2022-07-16 thomas 			while (p > buf + 1)
 686 8a35f56c 2022-07-16 thomas 				lungetc(*--p);
 687 8a35f56c 2022-07-16 thomas 			c = *--p;
 688 8a35f56c 2022-07-16 thomas 			if (c == '-')
 689 8a35f56c 2022-07-16 thomas 				return (c);
 690 8a35f56c 2022-07-16 thomas 		}
 691 8a35f56c 2022-07-16 thomas 	}
 692 8a35f56c 2022-07-16 thomas 
 693 8a35f56c 2022-07-16 thomas #define allowed_in_string(x) \
 694 8a35f56c 2022-07-16 thomas 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
 695 8a35f56c 2022-07-16 thomas 	x != '{' && x != '}' && \
 696 8a35f56c 2022-07-16 thomas 	x != '!' && x != '=' && x != '#' && \
 697 8a35f56c 2022-07-16 thomas 	x != ','))
 698 8a35f56c 2022-07-16 thomas 
 699 8a35f56c 2022-07-16 thomas 	if (isalnum(c) || c == ':' || c == '_') {
 700 8a35f56c 2022-07-16 thomas 		do {
 701 8a35f56c 2022-07-16 thomas 			*p++ = c;
 702 8a35f56c 2022-07-16 thomas 			if ((unsigned)(p-buf) >= sizeof(buf)) {
 703 8a35f56c 2022-07-16 thomas 				yyerror("string too long");
 704 8a35f56c 2022-07-16 thomas 				return (findeol());
 705 8a35f56c 2022-07-16 thomas 			}
 706 8a35f56c 2022-07-16 thomas 			c = lgetc(0);
 707 8a35f56c 2022-07-16 thomas 		} while (c != EOF && (allowed_in_string(c)));
 708 8a35f56c 2022-07-16 thomas 		lungetc(c);
 709 8a35f56c 2022-07-16 thomas 		*p = '\0';
 710 8a35f56c 2022-07-16 thomas 		token = lookup(buf);
 711 8a35f56c 2022-07-16 thomas 		if (token == STRING) {
 712 8a35f56c 2022-07-16 thomas 			yylval.v.string = strdup(buf);
 713 8a35f56c 2022-07-16 thomas 			if (yylval.v.string == NULL)
 714 8a35f56c 2022-07-16 thomas 				err(1, "yylex: strdup");
 715 8a35f56c 2022-07-16 thomas 		}
 716 8a35f56c 2022-07-16 thomas 		return (token);
 717 8a35f56c 2022-07-16 thomas 	}
 718 8a35f56c 2022-07-16 thomas 	if (c == '\n') {
 719 8a35f56c 2022-07-16 thomas 		yylval.lineno = file->lineno;
 720 8a35f56c 2022-07-16 thomas 		file->lineno++;
 721 8a35f56c 2022-07-16 thomas 	}
 722 8a35f56c 2022-07-16 thomas 	if (c == EOF)
 723 8a35f56c 2022-07-16 thomas 		return (0);
 724 8a35f56c 2022-07-16 thomas 	return (c);
 725 8a35f56c 2022-07-16 thomas }
 726 8a35f56c 2022-07-16 thomas 
 727 8a35f56c 2022-07-16 thomas int
 728 8a35f56c 2022-07-16 thomas check_file_secrecy(int fd, const char *fname)
 729 8a35f56c 2022-07-16 thomas {
 730 8a35f56c 2022-07-16 thomas 	struct stat st;
 731 8a35f56c 2022-07-16 thomas 
 732 8a35f56c 2022-07-16 thomas 	if (fstat(fd, &st)) {
 733 8a35f56c 2022-07-16 thomas 		log_warn("cannot stat %s", fname);
 734 8a35f56c 2022-07-16 thomas 		return (-1);
 735 8a35f56c 2022-07-16 thomas 	}
 736 8a35f56c 2022-07-16 thomas 	if (st.st_uid != 0 && st.st_uid != getuid()) {
 737 8a35f56c 2022-07-16 thomas 		log_warnx("%s: owner not root or current user", fname);
 738 8a35f56c 2022-07-16 thomas 		return (-1);
 739 8a35f56c 2022-07-16 thomas 	}
 740 8a35f56c 2022-07-16 thomas 	if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
 741 8a35f56c 2022-07-16 thomas 		log_warnx("%s: group writable or world read/writable", fname);
 742 8a35f56c 2022-07-16 thomas 		return (-1);
 743 8a35f56c 2022-07-16 thomas 	}
 744 8a35f56c 2022-07-16 thomas 	return (0);
 745 8a35f56c 2022-07-16 thomas }
 746 8a35f56c 2022-07-16 thomas 
 747 8a35f56c 2022-07-16 thomas struct file *
 748 8a35f56c 2022-07-16 thomas newfile(const char *name, int secret)
 749 8a35f56c 2022-07-16 thomas {
 750 8a35f56c 2022-07-16 thomas 	struct file *nfile;
 751 8a35f56c 2022-07-16 thomas 
 752 8a35f56c 2022-07-16 thomas 	nfile = calloc(1, sizeof(struct file));
 753 8a35f56c 2022-07-16 thomas 	if (nfile == NULL) {
 754 8a35f56c 2022-07-16 thomas 		log_warn("calloc");
 755 8a35f56c 2022-07-16 thomas 		return (NULL);
 756 8a35f56c 2022-07-16 thomas 	}
 757 8a35f56c 2022-07-16 thomas 	nfile->name = strdup(name);
 758 8a35f56c 2022-07-16 thomas 	if (nfile->name == NULL) {
 759 8a35f56c 2022-07-16 thomas 		log_warn("strdup");
 760 8a35f56c 2022-07-16 thomas 		free(nfile);
 761 8a35f56c 2022-07-16 thomas 		return (NULL);
 762 8a35f56c 2022-07-16 thomas 	}
 763 8a35f56c 2022-07-16 thomas 	nfile->stream = fopen(nfile->name, "r");
 764 8a35f56c 2022-07-16 thomas 	if (nfile->stream == NULL) {
 765 8a35f56c 2022-07-16 thomas 		/* no warning, we don't require a conf file */
 766 8a35f56c 2022-07-16 thomas 		free(nfile->name);
 767 8a35f56c 2022-07-16 thomas 		free(nfile);
 768 8a35f56c 2022-07-16 thomas 		return (NULL);
 769 8a35f56c 2022-07-16 thomas 	} else if (secret &&
 770 8a35f56c 2022-07-16 thomas 	    check_file_secrecy(fileno(nfile->stream), nfile->name)) {
 771 8a35f56c 2022-07-16 thomas 		fclose(nfile->stream);
 772 8a35f56c 2022-07-16 thomas 		free(nfile->name);
 773 8a35f56c 2022-07-16 thomas 		free(nfile);
 774 8a35f56c 2022-07-16 thomas 		return (NULL);
 775 8a35f56c 2022-07-16 thomas 	}
 776 8a35f56c 2022-07-16 thomas 	nfile->lineno = 1;
 777 8a35f56c 2022-07-16 thomas 	return (nfile);
 778 8a35f56c 2022-07-16 thomas }
 779 8a35f56c 2022-07-16 thomas 
 780 8a35f56c 2022-07-16 thomas static void
 781 8a35f56c 2022-07-16 thomas closefile(struct file *xfile)
 782 8a35f56c 2022-07-16 thomas {
 783 8a35f56c 2022-07-16 thomas 	fclose(xfile->stream);
 784 8a35f56c 2022-07-16 thomas 	free(xfile->name);
 785 8a35f56c 2022-07-16 thomas 	free(xfile);
 786 8a35f56c 2022-07-16 thomas }
 787 8a35f56c 2022-07-16 thomas 
 788 9f849004 2022-08-06 thomas static void
 789 9f849004 2022-08-06 thomas add_default_server(void)
 790 9f849004 2022-08-06 thomas {
 791 9f849004 2022-08-06 thomas 	new_srv = conf_new_server(D_SITENAME);
 792 9f849004 2022-08-06 thomas 	log_debug("%s: adding default server %s", __func__, D_SITENAME);
 793 9f849004 2022-08-06 thomas }
 794 9f849004 2022-08-06 thomas 
 795 8a35f56c 2022-07-16 thomas int
 796 8a35f56c 2022-07-16 thomas parse_config(const char *filename, struct gotwebd *env)
 797 8a35f56c 2022-07-16 thomas {
 798 8a35f56c 2022-07-16 thomas 	struct sym *sym, *next;
 799 8a35f56c 2022-07-16 thomas 
 800 8a35f56c 2022-07-16 thomas 	if (config_init(env) == -1)
 801 8a35f56c 2022-07-16 thomas 		fatalx("failed to initialize configuration");
 802 8a35f56c 2022-07-16 thomas 
 803 8a35f56c 2022-07-16 thomas 	gotwebd = env;
 804 9f849004 2022-08-06 thomas 
 805 9f849004 2022-08-06 thomas 	file = newfile(filename, 0);
 806 9f849004 2022-08-06 thomas 	if (file == NULL) {
 807 9f849004 2022-08-06 thomas 		add_default_server();
 808 9f849004 2022-08-06 thomas 		sockets_parse_sockets(env);
 809 9f849004 2022-08-06 thomas 		/* just return, as we don't require a conf file */
 810 9f849004 2022-08-06 thomas 		return (0);
 811 9f849004 2022-08-06 thomas 	}
 812 8a35f56c 2022-07-16 thomas 
 813 8a35f56c 2022-07-16 thomas 	yyparse();
 814 8a35f56c 2022-07-16 thomas 	errors = file->errors;
 815 8a35f56c 2022-07-16 thomas 	closefile(file);
 816 8a35f56c 2022-07-16 thomas 
 817 8a35f56c 2022-07-16 thomas 	/* Free macros and check which have not been used. */
 818 8a35f56c 2022-07-16 thomas 	TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
 819 8a35f56c 2022-07-16 thomas 		if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
 820 8a35f56c 2022-07-16 thomas 			fprintf(stderr, "warning: macro '%s' not used\n",
 821 8a35f56c 2022-07-16 thomas 			    sym->nam);
 822 8a35f56c 2022-07-16 thomas 		if (!sym->persist) {
 823 8a35f56c 2022-07-16 thomas 			free(sym->nam);
 824 8a35f56c 2022-07-16 thomas 			free(sym->val);
 825 8a35f56c 2022-07-16 thomas 			TAILQ_REMOVE(&symhead, sym, entry);
 826 8a35f56c 2022-07-16 thomas 			free(sym);
 827 8a35f56c 2022-07-16 thomas 		}
 828 8a35f56c 2022-07-16 thomas 	}
 829 8a35f56c 2022-07-16 thomas 
 830 8a35f56c 2022-07-16 thomas 	if (errors)
 831 8a35f56c 2022-07-16 thomas 		return (-1);
 832 8a35f56c 2022-07-16 thomas 
 833 8a35f56c 2022-07-16 thomas 	/* just add default server if no config specified */
 834 9f849004 2022-08-06 thomas 	if (gotwebd->server_cnt == 0)
 835 9f849004 2022-08-06 thomas 		add_default_server();
 836 8a35f56c 2022-07-16 thomas 
 837 8a35f56c 2022-07-16 thomas 	/* setup our listening sockets */
 838 8a35f56c 2022-07-16 thomas 	sockets_parse_sockets(env);
 839 8a35f56c 2022-07-16 thomas 
 840 8a35f56c 2022-07-16 thomas 	return (0);
 841 8a35f56c 2022-07-16 thomas }
 842 8a35f56c 2022-07-16 thomas 
 843 8a35f56c 2022-07-16 thomas struct server *
 844 8a35f56c 2022-07-16 thomas conf_new_server(const char *name)
 845 8a35f56c 2022-07-16 thomas {
 846 8a35f56c 2022-07-16 thomas 	struct server *srv = NULL;
 847 8a35f56c 2022-07-16 thomas 
 848 8a35f56c 2022-07-16 thomas 	srv = calloc(1, sizeof(*srv));
 849 8a35f56c 2022-07-16 thomas 	if (srv == NULL)
 850 8a35f56c 2022-07-16 thomas 		fatalx("%s: calloc", __func__);
 851 8a35f56c 2022-07-16 thomas 
 852 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->name, name, sizeof(srv->name));
 853 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->name))
 854 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 855 8a35f56c 2022-07-16 thomas 	n = snprintf(srv->unix_socket_name,
 856 8a35f56c 2022-07-16 thomas 	    sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
 857 8a35f56c 2022-07-16 thomas 	    D_UNIX_SOCKET);
 858 717a78d4 2022-08-16 thomas 	if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
 859 8a35f56c 2022-07-16 thomas 		fatalx("%s: snprintf", __func__);
 860 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->repos_path, D_GOTPATH,
 861 8a35f56c 2022-07-16 thomas 	    sizeof(srv->repos_path));
 862 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->repos_path))
 863 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 864 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->site_name, D_SITENAME,
 865 8a35f56c 2022-07-16 thomas 	    sizeof(srv->site_name));
 866 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->site_name))
 867 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 868 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->site_owner, D_SITEOWNER,
 869 8a35f56c 2022-07-16 thomas 	    sizeof(srv->site_owner));
 870 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->site_owner))
 871 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 872 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->site_link, D_SITELINK,
 873 8a35f56c 2022-07-16 thomas 	    sizeof(srv->site_link));
 874 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->site_link))
 875 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 876 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->logo, D_GOTLOGO,
 877 8a35f56c 2022-07-16 thomas 	    sizeof(srv->logo));
 878 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->logo))
 879 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 880 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
 881 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->logo_url))
 882 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 883 8a35f56c 2022-07-16 thomas 	n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
 884 8a35f56c 2022-07-16 thomas 	if (n >= sizeof(srv->custom_css))
 885 8a35f56c 2022-07-16 thomas 		fatalx("%s: strlcpy", __func__);
 886 8a35f56c 2022-07-16 thomas 
 887 8a35f56c 2022-07-16 thomas 	srv->show_site_owner = D_SHOWSOWNER;
 888 8a35f56c 2022-07-16 thomas 	srv->show_repo_owner = D_SHOWROWNER;
 889 8a35f56c 2022-07-16 thomas 	srv->show_repo_age = D_SHOWAGE;
 890 8a35f56c 2022-07-16 thomas 	srv->show_repo_description = D_SHOWDESC;
 891 8a35f56c 2022-07-16 thomas 	srv->show_repo_cloneurl = D_SHOWURL;
 892 3991b2a5 2022-10-31 thomas 	srv->respect_exportok = D_RESPECTEXPORTOK;
 893 8a35f56c 2022-07-16 thomas 
 894 8a35f56c 2022-07-16 thomas 	srv->max_repos_display = D_MAXREPODISP;
 895 8a35f56c 2022-07-16 thomas 	srv->max_commits_display = D_MAXCOMMITDISP;
 896 8a35f56c 2022-07-16 thomas 	srv->max_repos = D_MAXREPO;
 897 8a35f56c 2022-07-16 thomas 
 898 8a35f56c 2022-07-16 thomas 	srv->unix_socket = 1;
 899 e4317279 2022-08-30 thomas 	srv->fcgi_socket = 0;
 900 8a35f56c 2022-07-16 thomas 
 901 62f85214 2022-08-16 thomas 	TAILQ_INIT(&srv->al);
 902 90d63d47 2022-08-16 thomas 	TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
 903 8a35f56c 2022-07-16 thomas 	gotwebd->server_cnt++;
 904 8a35f56c 2022-07-16 thomas 
 905 8a35f56c 2022-07-16 thomas 	return srv;
 906 8a35f56c 2022-07-16 thomas };
 907 8a35f56c 2022-07-16 thomas 
 908 8a35f56c 2022-07-16 thomas int
 909 8a35f56c 2022-07-16 thomas symset(const char *nam, const char *val, int persist)
 910 8a35f56c 2022-07-16 thomas {
 911 8a35f56c 2022-07-16 thomas 	struct sym *sym;
 912 8a35f56c 2022-07-16 thomas 
 913 8a35f56c 2022-07-16 thomas 	TAILQ_FOREACH(sym, &symhead, entry) {
 914 8a35f56c 2022-07-16 thomas 		if (strcmp(nam, sym->nam) == 0)
 915 8a35f56c 2022-07-16 thomas 			break;
 916 8a35f56c 2022-07-16 thomas 	}
 917 8a35f56c 2022-07-16 thomas 
 918 8a35f56c 2022-07-16 thomas 	if (sym != NULL) {
 919 8a35f56c 2022-07-16 thomas 		if (sym->persist == 1)
 920 8a35f56c 2022-07-16 thomas 			return (0);
 921 8a35f56c 2022-07-16 thomas 		else {
 922 8a35f56c 2022-07-16 thomas 			free(sym->nam);
 923 8a35f56c 2022-07-16 thomas 			free(sym->val);
 924 8a35f56c 2022-07-16 thomas 			TAILQ_REMOVE(&symhead, sym, entry);
 925 8a35f56c 2022-07-16 thomas 			free(sym);
 926 8a35f56c 2022-07-16 thomas 		}
 927 8a35f56c 2022-07-16 thomas 	}
 928 8a35f56c 2022-07-16 thomas 	sym = calloc(1, sizeof(*sym));
 929 8a35f56c 2022-07-16 thomas 	if (sym == NULL)
 930 8a35f56c 2022-07-16 thomas 		return (-1);
 931 8a35f56c 2022-07-16 thomas 
 932 8a35f56c 2022-07-16 thomas 	sym->nam = strdup(nam);
 933 8a35f56c 2022-07-16 thomas 	if (sym->nam == NULL) {
 934 8a35f56c 2022-07-16 thomas 		free(sym);
 935 8a35f56c 2022-07-16 thomas 		return (-1);
 936 8a35f56c 2022-07-16 thomas 	}
 937 8a35f56c 2022-07-16 thomas 	sym->val = strdup(val);
 938 8a35f56c 2022-07-16 thomas 	if (sym->val == NULL) {
 939 8a35f56c 2022-07-16 thomas 		free(sym->nam);
 940 8a35f56c 2022-07-16 thomas 		free(sym);
 941 8a35f56c 2022-07-16 thomas 		return (-1);
 942 8a35f56c 2022-07-16 thomas 	}
 943 8a35f56c 2022-07-16 thomas 	sym->used = 0;
 944 8a35f56c 2022-07-16 thomas 	sym->persist = persist;
 945 8a35f56c 2022-07-16 thomas 	TAILQ_INSERT_TAIL(&symhead, sym, entry);
 946 8a35f56c 2022-07-16 thomas 	return (0);
 947 8a35f56c 2022-07-16 thomas }
 948 8a35f56c 2022-07-16 thomas 
 949 8a35f56c 2022-07-16 thomas int
 950 8a35f56c 2022-07-16 thomas cmdline_symset(char *s)
 951 8a35f56c 2022-07-16 thomas {
 952 8a35f56c 2022-07-16 thomas 	char *sym, *val;
 953 8a35f56c 2022-07-16 thomas 	int ret;
 954 8a35f56c 2022-07-16 thomas 
 955 8a35f56c 2022-07-16 thomas 	val = strrchr(s, '=');
 956 8a35f56c 2022-07-16 thomas 	if (val == NULL)
 957 8a35f56c 2022-07-16 thomas 		return (-1);
 958 8a35f56c 2022-07-16 thomas 
 959 43be1edb 2022-09-05 thomas 	sym = strndup(s, val - s);
 960 8a35f56c 2022-07-16 thomas 	if (sym == NULL)
 961 43be1edb 2022-09-05 thomas 		fatal("%s: strndup", __func__);
 962 8a35f56c 2022-07-16 thomas 
 963 8a35f56c 2022-07-16 thomas 	ret = symset(sym, val + 1, 1);
 964 8a35f56c 2022-07-16 thomas 	free(sym);
 965 8a35f56c 2022-07-16 thomas 
 966 8a35f56c 2022-07-16 thomas 	return (ret);
 967 8a35f56c 2022-07-16 thomas }
 968 8a35f56c 2022-07-16 thomas 
 969 8a35f56c 2022-07-16 thomas char *
 970 8a35f56c 2022-07-16 thomas symget(const char *nam)
 971 8a35f56c 2022-07-16 thomas {
 972 8a35f56c 2022-07-16 thomas 	struct sym *sym;
 973 8a35f56c 2022-07-16 thomas 
 974 8a35f56c 2022-07-16 thomas 	TAILQ_FOREACH(sym, &symhead, entry) {
 975 8a35f56c 2022-07-16 thomas 		if (strcmp(nam, sym->nam) == 0) {
 976 8a35f56c 2022-07-16 thomas 			sym->used = 1;
 977 8a35f56c 2022-07-16 thomas 			return (sym->val);
 978 8a35f56c 2022-07-16 thomas 		}
 979 8a35f56c 2022-07-16 thomas 	}
 980 8a35f56c 2022-07-16 thomas 	return (NULL);
 981 8a35f56c 2022-07-16 thomas }
 982 8a35f56c 2022-07-16 thomas 
 983 8a35f56c 2022-07-16 thomas int
 984 8a35f56c 2022-07-16 thomas getservice(const char *n)
 985 8a35f56c 2022-07-16 thomas {
 986 8a35f56c 2022-07-16 thomas 	struct servent *s;
 987 8a35f56c 2022-07-16 thomas 	const char *errstr;
 988 8a35f56c 2022-07-16 thomas 	long long llval;
 989 8a35f56c 2022-07-16 thomas 
 990 8a35f56c 2022-07-16 thomas 	llval = strtonum(n, 0, UINT16_MAX, &errstr);
 991 8a35f56c 2022-07-16 thomas 	if (errstr) {
 992 8a35f56c 2022-07-16 thomas 		s = getservbyname(n, "tcp");
 993 8a35f56c 2022-07-16 thomas 		if (s == NULL)
 994 8a35f56c 2022-07-16 thomas 			s = getservbyname(n, "udp");
 995 8a35f56c 2022-07-16 thomas 		if (s == NULL)
 996 8a35f56c 2022-07-16 thomas 			return (-1);
 997 c19738c9 2022-08-27 thomas 		return ntohs(s->s_port);
 998 8a35f56c 2022-07-16 thomas 	}
 999 8a35f56c 2022-07-16 thomas 
1000 c19738c9 2022-08-27 thomas 	return (unsigned short)llval;
1001 8a35f56c 2022-07-16 thomas }
1002 8a35f56c 2022-07-16 thomas 
1003 8a35f56c 2022-07-16 thomas struct address *
1004 8a35f56c 2022-07-16 thomas host_v4(const char *s)
1005 8a35f56c 2022-07-16 thomas {
1006 8a35f56c 2022-07-16 thomas 	struct in_addr ina;
1007 8a35f56c 2022-07-16 thomas 	struct sockaddr_in *sain;
1008 8a35f56c 2022-07-16 thomas 	struct address *h;
1009 8a35f56c 2022-07-16 thomas 
1010 8a35f56c 2022-07-16 thomas 	memset(&ina, 0, sizeof(ina));
1011 8a35f56c 2022-07-16 thomas 	if (inet_pton(AF_INET, s, &ina) != 1)
1012 8a35f56c 2022-07-16 thomas 		return (NULL);
1013 8a35f56c 2022-07-16 thomas 
1014 8a35f56c 2022-07-16 thomas 	if ((h = calloc(1, sizeof(*h))) == NULL)
1015 8a35f56c 2022-07-16 thomas 		fatal(__func__);
1016 8a35f56c 2022-07-16 thomas 	sain = (struct sockaddr_in *)&h->ss;
1017 cdbe1d7d 2022-08-06 thomas 	got_sockaddr_inet_init(sain, &ina);
1018 8a35f56c 2022-07-16 thomas 	if (sain->sin_addr.s_addr == INADDR_ANY)
1019 8a35f56c 2022-07-16 thomas 		h->prefixlen = 0; /* 0.0.0.0 address */
1020 8a35f56c 2022-07-16 thomas 	else
1021 8a35f56c 2022-07-16 thomas 		h->prefixlen = -1; /* host address */
1022 8a35f56c 2022-07-16 thomas 	return (h);
1023 8a35f56c 2022-07-16 thomas }
1024 8a35f56c 2022-07-16 thomas 
1025 8a35f56c 2022-07-16 thomas struct address *
1026 8a35f56c 2022-07-16 thomas host_v6(const char *s)
1027 8a35f56c 2022-07-16 thomas {
1028 8a35f56c 2022-07-16 thomas 	struct addrinfo hints, *res;
1029 cdbe1d7d 2022-08-06 thomas 	struct sockaddr_in6 *sa_in6, *ra;
1030 8a35f56c 2022-07-16 thomas 	struct address *h = NULL;
1031 8a35f56c 2022-07-16 thomas 
1032 8a35f56c 2022-07-16 thomas 	memset(&hints, 0, sizeof(hints));
1033 8a35f56c 2022-07-16 thomas 	hints.ai_family = AF_INET6;
1034 8a35f56c 2022-07-16 thomas 	hints.ai_socktype = SOCK_DGRAM; /* dummy */
1035 8a35f56c 2022-07-16 thomas 	hints.ai_flags = AI_NUMERICHOST;
1036 8a35f56c 2022-07-16 thomas 	if (getaddrinfo(s, "0", &hints, &res) == 0) {
1037 8a35f56c 2022-07-16 thomas 		if ((h = calloc(1, sizeof(*h))) == NULL)
1038 8a35f56c 2022-07-16 thomas 			fatal(__func__);
1039 8a35f56c 2022-07-16 thomas 		sa_in6 = (struct sockaddr_in6 *)&h->ss;
1040 cdbe1d7d 2022-08-06 thomas 		ra = (struct sockaddr_in6 *)res->ai_addr;
1041 cdbe1d7d 2022-08-06 thomas 		got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1042 cdbe1d7d 2022-08-06 thomas 		    ra->sin6_scope_id);
1043 8a35f56c 2022-07-16 thomas 		if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1044 8a35f56c 2022-07-16 thomas 		    sizeof(sa_in6->sin6_addr)) == 0)
1045 8a35f56c 2022-07-16 thomas 			h->prefixlen = 0; /* any address */
1046 8a35f56c 2022-07-16 thomas 		else
1047 8a35f56c 2022-07-16 thomas 			h->prefixlen = -1; /* host address */
1048 8a35f56c 2022-07-16 thomas 		freeaddrinfo(res);
1049 8a35f56c 2022-07-16 thomas 	}
1050 8a35f56c 2022-07-16 thomas 
1051 8a35f56c 2022-07-16 thomas 	return (h);
1052 8a35f56c 2022-07-16 thomas }
1053 8a35f56c 2022-07-16 thomas 
1054 8a35f56c 2022-07-16 thomas int
1055 e4c7e0b0 2022-08-30 thomas host_dns(const char *s, struct server *new_srv, int max,
1056 8a35f56c 2022-07-16 thomas     in_port_t port, const char *ifname, int ipproto)
1057 8a35f56c 2022-07-16 thomas {
1058 8a35f56c 2022-07-16 thomas 	struct addrinfo hints, *res0, *res;
1059 8a35f56c 2022-07-16 thomas 	int error, cnt = 0;
1060 8a35f56c 2022-07-16 thomas 	struct sockaddr_in *sain;
1061 8a35f56c 2022-07-16 thomas 	struct sockaddr_in6 *sin6;
1062 8a35f56c 2022-07-16 thomas 	struct address *h;
1063 8a35f56c 2022-07-16 thomas 
1064 e4c7e0b0 2022-08-30 thomas 	if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1065 8a35f56c 2022-07-16 thomas 		return (cnt);
1066 8a35f56c 2022-07-16 thomas 
1067 8a35f56c 2022-07-16 thomas 	memset(&hints, 0, sizeof(hints));
1068 8a35f56c 2022-07-16 thomas 	hints.ai_family = PF_UNSPEC;
1069 8a35f56c 2022-07-16 thomas 	hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1070 8a35f56c 2022-07-16 thomas 	hints.ai_flags = AI_ADDRCONFIG;
1071 8a35f56c 2022-07-16 thomas 	error = getaddrinfo(s, NULL, &hints, &res0);
1072 8a35f56c 2022-07-16 thomas 	if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1073 8a35f56c 2022-07-16 thomas 		return (0);
1074 8a35f56c 2022-07-16 thomas 	if (error) {
1075 8a35f56c 2022-07-16 thomas 		log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1076 8a35f56c 2022-07-16 thomas 		    gai_strerror(error));
1077 8a35f56c 2022-07-16 thomas 		return (-1);
1078 8a35f56c 2022-07-16 thomas 	}
1079 8a35f56c 2022-07-16 thomas 
1080 8a35f56c 2022-07-16 thomas 	for (res = res0; res && cnt < max; res = res->ai_next) {
1081 8a35f56c 2022-07-16 thomas 		if (res->ai_family != AF_INET &&
1082 8a35f56c 2022-07-16 thomas 		    res->ai_family != AF_INET6)
1083 8a35f56c 2022-07-16 thomas 			continue;
1084 8a35f56c 2022-07-16 thomas 		if ((h = calloc(1, sizeof(*h))) == NULL)
1085 8a35f56c 2022-07-16 thomas 			fatal(__func__);
1086 8a35f56c 2022-07-16 thomas 
1087 8a35f56c 2022-07-16 thomas 		if (port)
1088 8a35f56c 2022-07-16 thomas 			h->port = port;
1089 8a35f56c 2022-07-16 thomas 		if (ifname != NULL) {
1090 8a35f56c 2022-07-16 thomas 			if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1091 8a35f56c 2022-07-16 thomas 			    sizeof(h->ifname)) {
1092 8a35f56c 2022-07-16 thomas 				log_warnx("%s: interface name truncated",
1093 8a35f56c 2022-07-16 thomas 				    __func__);
1094 8a35f56c 2022-07-16 thomas 				freeaddrinfo(res0);
1095 8a35f56c 2022-07-16 thomas 				free(h);
1096 8a35f56c 2022-07-16 thomas 				return (-1);
1097 8a35f56c 2022-07-16 thomas 			}
1098 8a35f56c 2022-07-16 thomas 		}
1099 8a35f56c 2022-07-16 thomas 		if (ipproto != -1)
1100 8a35f56c 2022-07-16 thomas 			h->ipproto = ipproto;
1101 8a35f56c 2022-07-16 thomas 		h->ss.ss_family = res->ai_family;
1102 8a35f56c 2022-07-16 thomas 		h->prefixlen = -1; /* host address */
1103 8a35f56c 2022-07-16 thomas 
1104 8a35f56c 2022-07-16 thomas 		if (res->ai_family == AF_INET) {
1105 cdbe1d7d 2022-08-06 thomas 			struct sockaddr_in *ra;
1106 8a35f56c 2022-07-16 thomas 			sain = (struct sockaddr_in *)&h->ss;
1107 cdbe1d7d 2022-08-06 thomas 			ra = (struct sockaddr_in *)res->ai_addr;
1108 cdbe1d7d 2022-08-06 thomas 			got_sockaddr_inet_init(sain, &ra->sin_addr);
1109 8a35f56c 2022-07-16 thomas 		} else {
1110 cdbe1d7d 2022-08-06 thomas 			struct sockaddr_in6 *ra;
1111 8a35f56c 2022-07-16 thomas 			sin6 = (struct sockaddr_in6 *)&h->ss;
1112 cdbe1d7d 2022-08-06 thomas 			ra = (struct sockaddr_in6 *)res->ai_addr;
1113 cdbe1d7d 2022-08-06 thomas 			got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1114 8a35f56c 2022-07-16 thomas 		}
1115 8a35f56c 2022-07-16 thomas 
1116 e4c7e0b0 2022-08-30 thomas 		if (add_addr(new_srv, h))
1117 e4c7e0b0 2022-08-30 thomas 			return -1;
1118 8a35f56c 2022-07-16 thomas 		cnt++;
1119 8a35f56c 2022-07-16 thomas 	}
1120 8a35f56c 2022-07-16 thomas 	if (cnt == max && res) {
1121 8a35f56c 2022-07-16 thomas 		log_warnx("%s: %s resolves to more than %d hosts", __func__,
1122 8a35f56c 2022-07-16 thomas 		    s, max);
1123 8a35f56c 2022-07-16 thomas 	}
1124 8a35f56c 2022-07-16 thomas 	freeaddrinfo(res0);
1125 8a35f56c 2022-07-16 thomas 	return (cnt);
1126 8a35f56c 2022-07-16 thomas }
1127 8a35f56c 2022-07-16 thomas 
1128 8a35f56c 2022-07-16 thomas int
1129 e4c7e0b0 2022-08-30 thomas host_if(const char *s, struct server *new_srv, int max,
1130 8a35f56c 2022-07-16 thomas     in_port_t port, const char *ifname, int ipproto)
1131 8a35f56c 2022-07-16 thomas {
1132 8a35f56c 2022-07-16 thomas 	struct ifaddrs *ifap, *p;
1133 8a35f56c 2022-07-16 thomas 	struct sockaddr_in *sain;
1134 8a35f56c 2022-07-16 thomas 	struct sockaddr_in6 *sin6;
1135 8a35f56c 2022-07-16 thomas 	struct address *h;
1136 8a35f56c 2022-07-16 thomas 	int cnt = 0, af;
1137 8a35f56c 2022-07-16 thomas 
1138 8a35f56c 2022-07-16 thomas 	if (getifaddrs(&ifap) == -1)
1139 8a35f56c 2022-07-16 thomas 		fatal("getifaddrs");
1140 8a35f56c 2022-07-16 thomas 
1141 8a35f56c 2022-07-16 thomas 	/* First search for IPv4 addresses */
1142 8a35f56c 2022-07-16 thomas 	af = AF_INET;
1143 8a35f56c 2022-07-16 thomas 
1144 8a35f56c 2022-07-16 thomas  nextaf:
1145 8a35f56c 2022-07-16 thomas 	for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1146 8a35f56c 2022-07-16 thomas 		if (p->ifa_addr == NULL ||
1147 8a35f56c 2022-07-16 thomas 		    p->ifa_addr->sa_family != af ||
1148 8a35f56c 2022-07-16 thomas 		    (strcmp(s, p->ifa_name) != 0 &&
1149 8a35f56c 2022-07-16 thomas 		    !is_if_in_group(p->ifa_name, s)))
1150 8a35f56c 2022-07-16 thomas 			continue;
1151 8a35f56c 2022-07-16 thomas 		if ((h = calloc(1, sizeof(*h))) == NULL)
1152 8a35f56c 2022-07-16 thomas 			fatal("calloc");
1153 8a35f56c 2022-07-16 thomas 
1154 8a35f56c 2022-07-16 thomas 		if (port)
1155 8a35f56c 2022-07-16 thomas 			h->port = port;
1156 8a35f56c 2022-07-16 thomas 		if (ifname != NULL) {
1157 8a35f56c 2022-07-16 thomas 			if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1158 8a35f56c 2022-07-16 thomas 			    sizeof(h->ifname)) {
1159 8a35f56c 2022-07-16 thomas 				log_warnx("%s: interface name truncated",
1160 8a35f56c 2022-07-16 thomas 				    __func__);
1161 8a35f56c 2022-07-16 thomas 				free(h);
1162 8a35f56c 2022-07-16 thomas 				freeifaddrs(ifap);
1163 8a35f56c 2022-07-16 thomas 				return (-1);
1164 8a35f56c 2022-07-16 thomas 			}
1165 8a35f56c 2022-07-16 thomas 		}
1166 8a35f56c 2022-07-16 thomas 		if (ipproto != -1)
1167 8a35f56c 2022-07-16 thomas 			h->ipproto = ipproto;
1168 8a35f56c 2022-07-16 thomas 		h->ss.ss_family = af;
1169 8a35f56c 2022-07-16 thomas 		h->prefixlen = -1; /* host address */
1170 8a35f56c 2022-07-16 thomas 
1171 8a35f56c 2022-07-16 thomas 		if (af == AF_INET) {
1172 cdbe1d7d 2022-08-06 thomas 			struct sockaddr_in *ra;
1173 8a35f56c 2022-07-16 thomas 			sain = (struct sockaddr_in *)&h->ss;
1174 cdbe1d7d 2022-08-06 thomas 			ra = (struct sockaddr_in *)p->ifa_addr;
1175 cdbe1d7d 2022-08-06 thomas 			got_sockaddr_inet_init(sain, &ra->sin_addr);
1176 8a35f56c 2022-07-16 thomas 		} else {
1177 cdbe1d7d 2022-08-06 thomas 			struct sockaddr_in6 *ra;
1178 8a35f56c 2022-07-16 thomas 			sin6 = (struct sockaddr_in6 *)&h->ss;
1179 cdbe1d7d 2022-08-06 thomas 			ra = (struct sockaddr_in6 *)p->ifa_addr;
1180 cdbe1d7d 2022-08-06 thomas 			got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1181 cdbe1d7d 2022-08-06 thomas 			    ra->sin6_scope_id);
1182 8a35f56c 2022-07-16 thomas 		}
1183 8a35f56c 2022-07-16 thomas 
1184 e4c7e0b0 2022-08-30 thomas 		if (add_addr(new_srv, h))
1185 e4c7e0b0 2022-08-30 thomas 			return -1;
1186 8a35f56c 2022-07-16 thomas 		cnt++;
1187 8a35f56c 2022-07-16 thomas 	}
1188 8a35f56c 2022-07-16 thomas 	if (af == AF_INET) {
1189 8a35f56c 2022-07-16 thomas 		/* Next search for IPv6 addresses */
1190 8a35f56c 2022-07-16 thomas 		af = AF_INET6;
1191 8a35f56c 2022-07-16 thomas 		goto nextaf;
1192 8a35f56c 2022-07-16 thomas 	}
1193 8a35f56c 2022-07-16 thomas 
1194 8a35f56c 2022-07-16 thomas 	if (cnt > max) {
1195 8a35f56c 2022-07-16 thomas 		log_warnx("%s: %s resolves to more than %d hosts", __func__,
1196 8a35f56c 2022-07-16 thomas 		    s, max);
1197 8a35f56c 2022-07-16 thomas 	}
1198 8a35f56c 2022-07-16 thomas 	freeifaddrs(ifap);
1199 8a35f56c 2022-07-16 thomas 	return (cnt);
1200 8a35f56c 2022-07-16 thomas }
1201 8a35f56c 2022-07-16 thomas 
1202 8a35f56c 2022-07-16 thomas int
1203 e4c7e0b0 2022-08-30 thomas host(const char *s, struct server *new_srv, int max,
1204 8a35f56c 2022-07-16 thomas     in_port_t port, const char *ifname, int ipproto)
1205 8a35f56c 2022-07-16 thomas {
1206 8a35f56c 2022-07-16 thomas 	struct address *h;
1207 8a35f56c 2022-07-16 thomas 
1208 8a35f56c 2022-07-16 thomas 	h = host_v4(s);
1209 8a35f56c 2022-07-16 thomas 
1210 8a35f56c 2022-07-16 thomas 	/* IPv6 address? */
1211 8a35f56c 2022-07-16 thomas 	if (h == NULL)
1212 8a35f56c 2022-07-16 thomas 		h = host_v6(s);
1213 8a35f56c 2022-07-16 thomas 
1214 8a35f56c 2022-07-16 thomas 	if (h != NULL) {
1215 8a35f56c 2022-07-16 thomas 		if (port)
1216 8a35f56c 2022-07-16 thomas 			h->port = port;
1217 8a35f56c 2022-07-16 thomas 		if (ifname != NULL) {
1218 8a35f56c 2022-07-16 thomas 			if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1219 8a35f56c 2022-07-16 thomas 			    sizeof(h->ifname)) {
1220 8a35f56c 2022-07-16 thomas 				log_warnx("%s: interface name truncated",
1221 8a35f56c 2022-07-16 thomas 				    __func__);
1222 8a35f56c 2022-07-16 thomas 				free(h);
1223 8a35f56c 2022-07-16 thomas 				return (-1);
1224 8a35f56c 2022-07-16 thomas 			}
1225 8a35f56c 2022-07-16 thomas 		}
1226 8a35f56c 2022-07-16 thomas 		if (ipproto != -1)
1227 8a35f56c 2022-07-16 thomas 			h->ipproto = ipproto;
1228 8a35f56c 2022-07-16 thomas 
1229 e4c7e0b0 2022-08-30 thomas 		if (add_addr(new_srv, h))
1230 e4c7e0b0 2022-08-30 thomas 			return -1;
1231 8a35f56c 2022-07-16 thomas 		return (1);
1232 8a35f56c 2022-07-16 thomas 	}
1233 8a35f56c 2022-07-16 thomas 
1234 e4c7e0b0 2022-08-30 thomas 	return (host_dns(s, new_srv, max, port, ifname, ipproto));
1235 8a35f56c 2022-07-16 thomas }
1236 8a35f56c 2022-07-16 thomas 
1237 8a35f56c 2022-07-16 thomas int
1238 8a35f56c 2022-07-16 thomas is_if_in_group(const char *ifname, const char *groupname)
1239 8a35f56c 2022-07-16 thomas {
1240 ff36aeea 2022-07-16 thomas /* TA: Check this... */
1241 ff36aeea 2022-07-16 thomas #ifdef HAVE_STRUCT_IFGROUPREQ
1242 8a35f56c 2022-07-16 thomas 	unsigned int len;
1243 8a35f56c 2022-07-16 thomas 	struct ifgroupreq ifgr;
1244 8a35f56c 2022-07-16 thomas 	struct ifg_req *ifg;
1245 8a35f56c 2022-07-16 thomas 	int s;
1246 8a35f56c 2022-07-16 thomas 	int ret = 0;
1247 8a35f56c 2022-07-16 thomas 
1248 8a35f56c 2022-07-16 thomas 	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1249 8a35f56c 2022-07-16 thomas 		err(1, "socket");
1250 8a35f56c 2022-07-16 thomas 
1251 8a35f56c 2022-07-16 thomas 	memset(&ifgr, 0, sizeof(ifgr));
1252 8a35f56c 2022-07-16 thomas 	if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1253 8a35f56c 2022-07-16 thomas 		err(1, "IFNAMSIZ");
1254 8a35f56c 2022-07-16 thomas 	if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1255 8a35f56c 2022-07-16 thomas 		if (errno == EINVAL || errno == ENOTTY)
1256 8a35f56c 2022-07-16 thomas 			goto end;
1257 8a35f56c 2022-07-16 thomas 		err(1, "SIOCGIFGROUP");
1258 8a35f56c 2022-07-16 thomas 	}
1259 8a35f56c 2022-07-16 thomas 
1260 8a35f56c 2022-07-16 thomas 	len = ifgr.ifgr_len;
1261 8a35f56c 2022-07-16 thomas 	ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1262 8a35f56c 2022-07-16 thomas 	    sizeof(struct ifg_req));
1263 8a35f56c 2022-07-16 thomas 	if (ifgr.ifgr_groups == NULL)
1264 8a35f56c 2022-07-16 thomas 		err(1, "getifgroups");
1265 8a35f56c 2022-07-16 thomas 	if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1266 8a35f56c 2022-07-16 thomas 		err(1, "SIOCGIFGROUP");
1267 8a35f56c 2022-07-16 thomas 
1268 8a35f56c 2022-07-16 thomas 	ifg = ifgr.ifgr_groups;
1269 8a35f56c 2022-07-16 thomas 	for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1270 8a35f56c 2022-07-16 thomas 		len -= sizeof(struct ifg_req);
1271 8a35f56c 2022-07-16 thomas 		if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1272 8a35f56c 2022-07-16 thomas 			ret = 1;
1273 8a35f56c 2022-07-16 thomas 			break;
1274 8a35f56c 2022-07-16 thomas 		}
1275 8a35f56c 2022-07-16 thomas 	}
1276 8a35f56c 2022-07-16 thomas 	free(ifgr.ifgr_groups);
1277 8a35f56c 2022-07-16 thomas 
1278 8a35f56c 2022-07-16 thomas end:
1279 8a35f56c 2022-07-16 thomas 	close(s);
1280 8a35f56c 2022-07-16 thomas 	return (ret);
1281 ff36aeea 2022-07-16 thomas #else
1282 ff36aeea 2022-07-16 thomas 	return (0);
1283 ff36aeea 2022-07-16 thomas #endif
1284 8a35f56c 2022-07-16 thomas }
1285 8a35f56c 2022-07-16 thomas 
1286 8a35f56c 2022-07-16 thomas int
1287 e4c7e0b0 2022-08-30 thomas get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1288 8a35f56c 2022-07-16 thomas {
1289 8a35f56c 2022-07-16 thomas 	if (strcmp("", addr) == 0) {
1290 e4c7e0b0 2022-08-30 thomas 		if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1291 e4c7e0b0 2022-08-30 thomas 		    -1) <= 0) {
1292 8a35f56c 2022-07-16 thomas 			yyerror("invalid listen ip: %s",
1293 a90e3117 2022-08-27 thomas 			    "127.0.0.1");
1294 8a35f56c 2022-07-16 thomas 			return (-1);
1295 8a35f56c 2022-07-16 thomas 		}
1296 e4c7e0b0 2022-08-30 thomas 		if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1297 a90e3117 2022-08-27 thomas 			yyerror("invalid listen ip: %s", "::1");
1298 8a35f56c 2022-07-16 thomas 			return (-1);
1299 8a35f56c 2022-07-16 thomas 		}
1300 8a35f56c 2022-07-16 thomas 	} else {
1301 e4c7e0b0 2022-08-30 thomas 		if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1302 8a35f56c 2022-07-16 thomas 		    -1) <= 0) {
1303 8a35f56c 2022-07-16 thomas 			yyerror("invalid listen ip: %s", addr);
1304 8a35f56c 2022-07-16 thomas 			return (-1);
1305 8a35f56c 2022-07-16 thomas 		}
1306 8a35f56c 2022-07-16 thomas 	}
1307 8a35f56c 2022-07-16 thomas 	return (0);
1308 e4c7e0b0 2022-08-30 thomas }
1309 e4c7e0b0 2022-08-30 thomas 
1310 e4c7e0b0 2022-08-30 thomas int
1311 e4c7e0b0 2022-08-30 thomas addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1312 e4c7e0b0 2022-08-30 thomas     const char *other_srv)
1313 e4c7e0b0 2022-08-30 thomas {
1314 e4c7e0b0 2022-08-30 thomas 	struct address *a;
1315 e4c7e0b0 2022-08-30 thomas 	void *ia;
1316 e4c7e0b0 2022-08-30 thomas 	char buf[INET6_ADDRSTRLEN];
1317 e4c7e0b0 2022-08-30 thomas 	const char *addrstr;
1318 e4c7e0b0 2022-08-30 thomas 
1319 e4c7e0b0 2022-08-30 thomas 	TAILQ_FOREACH(a, al, entry) {
1320 e4c7e0b0 2022-08-30 thomas 		if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1321 e4c7e0b0 2022-08-30 thomas 		    a->port != h->port)
1322 e4c7e0b0 2022-08-30 thomas 			continue;
1323 e4c7e0b0 2022-08-30 thomas 
1324 e4c7e0b0 2022-08-30 thomas 		switch (h->ss.ss_family) {
1325 e4c7e0b0 2022-08-30 thomas 		case AF_INET:
1326 e4c7e0b0 2022-08-30 thomas 			ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1327 e4c7e0b0 2022-08-30 thomas 			break;
1328 e4c7e0b0 2022-08-30 thomas 		case AF_INET6:
1329 e4c7e0b0 2022-08-30 thomas 			ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1330 e4c7e0b0 2022-08-30 thomas 			break;
1331 e4c7e0b0 2022-08-30 thomas 		default:
1332 e4c7e0b0 2022-08-30 thomas 			yyerror("unknown address family: %d", h->ss.ss_family);
1333 e4c7e0b0 2022-08-30 thomas 			return -1;
1334 e4c7e0b0 2022-08-30 thomas 		}
1335 e4c7e0b0 2022-08-30 thomas 		addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1336 e4c7e0b0 2022-08-30 thomas 		if (addrstr) {
1337 e4c7e0b0 2022-08-30 thomas 			if (other_srv) {
1338 e4c7e0b0 2022-08-30 thomas 				yyerror("server %s: duplicate fcgi listen "
1339 e4c7e0b0 2022-08-30 thomas 				    "address %s:%d, already used by server %s",
1340 e4c7e0b0 2022-08-30 thomas 				    new_srv, addrstr, h->port, other_srv);
1341 e4c7e0b0 2022-08-30 thomas 			} else {
1342 e4c7e0b0 2022-08-30 thomas 				log_warnx("server: %s: duplicate fcgi listen "
1343 e4c7e0b0 2022-08-30 thomas 				    "address %s:%d", new_srv, addrstr, h->port);
1344 e4c7e0b0 2022-08-30 thomas 			}
1345 e4c7e0b0 2022-08-30 thomas 		} else {
1346 e4c7e0b0 2022-08-30 thomas 			if (other_srv) {
1347 e4c7e0b0 2022-08-30 thomas 				yyerror("server: %s: duplicate fcgi listen "
1348 e4c7e0b0 2022-08-30 thomas 				    "address, already used by server %s",
1349 e4c7e0b0 2022-08-30 thomas 				    new_srv, other_srv);
1350 e4c7e0b0 2022-08-30 thomas 			} else {
1351 e4c7e0b0 2022-08-30 thomas 				log_warnx("server %s: duplicate fcgi listen "
1352 e4c7e0b0 2022-08-30 thomas 				    "address", new_srv);
1353 e4c7e0b0 2022-08-30 thomas 			}
1354 e4c7e0b0 2022-08-30 thomas 		}
1355 e4c7e0b0 2022-08-30 thomas 
1356 e4c7e0b0 2022-08-30 thomas 		return -1;
1357 e4c7e0b0 2022-08-30 thomas 	}
1358 e4c7e0b0 2022-08-30 thomas 
1359 e4c7e0b0 2022-08-30 thomas 	return 0;
1360 8a35f56c 2022-07-16 thomas }
1361 e4c7e0b0 2022-08-30 thomas 
1362 e4c7e0b0 2022-08-30 thomas int
1363 e4c7e0b0 2022-08-30 thomas add_addr(struct server *new_srv, struct address *h)
1364 e4c7e0b0 2022-08-30 thomas {
1365 e4c7e0b0 2022-08-30 thomas 	struct server *srv;
1366 e4c7e0b0 2022-08-30 thomas 
1367 e4c7e0b0 2022-08-30 thomas 	/* Address cannot be shared between different servers. */
1368 e4c7e0b0 2022-08-30 thomas 	TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1369 e4c7e0b0 2022-08-30 thomas 		if (srv == new_srv)
1370 e4c7e0b0 2022-08-30 thomas 			continue;
1371 e4c7e0b0 2022-08-30 thomas 		if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1372 e4c7e0b0 2022-08-30 thomas 			return -1;
1373 e4c7e0b0 2022-08-30 thomas 	}
1374 e4c7e0b0 2022-08-30 thomas 
1375 e4c7e0b0 2022-08-30 thomas 	/* Tolerate duplicate address lines within the scope of a server. */
1376 e4c7e0b0 2022-08-30 thomas 	if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1377 e4c7e0b0 2022-08-30 thomas 		TAILQ_INSERT_TAIL(&new_srv->al, h, entry);
1378 e4c7e0b0 2022-08-30 thomas 	else
1379 e4c7e0b0 2022-08-30 thomas 		free(h);
1380 e4c7e0b0 2022-08-30 thomas 
1381 e4c7e0b0 2022-08-30 thomas 	return 0;
1382 e4c7e0b0 2022-08-30 thomas }