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