1 15902770 2021-01-15 op %{
   2 15902770 2021-01-15 op 
   3 15902770 2021-01-15 op /*
   4 e2f167af 2021-01-02 op  * Copyright (c) 2021, 2022 Omar Polo <op@omarpolo.com>
   5 c39be742 2021-07-09 op  * Copyright (c) 2018 Florian Obser <florian@openbsd.org>
   6 c39be742 2021-07-09 op  * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
   7 c39be742 2021-07-09 op  * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
   8 c39be742 2021-07-09 op  * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
   9 c39be742 2021-07-09 op  * Copyright (c) 2001 Markus Friedl.  All rights reserved.
  10 c39be742 2021-07-09 op  * Copyright (c) 2001 Daniel Hartmeier.  All rights reserved.
  11 c39be742 2021-07-09 op  * Copyright (c) 2001 Theo de Raadt.  All rights reserved.
  12 15902770 2021-01-15 op  *
  13 15902770 2021-01-15 op  * Permission to use, copy, modify, and distribute this software for any
  14 15902770 2021-01-15 op  * purpose with or without fee is hereby granted, provided that the above
  15 15902770 2021-01-15 op  * copyright notice and this permission notice appear in all copies.
  16 15902770 2021-01-15 op  *
  17 15902770 2021-01-15 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  18 15902770 2021-01-15 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  19 15902770 2021-01-15 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  20 15902770 2021-01-15 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  21 15902770 2021-01-15 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  22 15902770 2021-01-15 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  23 15902770 2021-01-15 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  24 15902770 2021-01-15 op  */
  25 1f1f3810 2022-02-03 op 
  26 1f1f3810 2022-02-03 op #include "gmid.h"
  27 15902770 2021-01-15 op 
  28 74f0778b 2021-06-16 op #include <ctype.h>
  29 002a84a1 2021-02-10 op #include <errno.h>
  30 534afd0d 2022-10-05 op #include <netdb.h>
  31 6abda252 2021-02-06 op #include <stdarg.h>
  32 15902770 2021-01-15 op #include <stdio.h>
  33 74f0778b 2021-06-16 op #include <stdlib.h>
  34 32693ee6 2021-01-28 op #include <string.h>
  35 15902770 2021-01-15 op 
  36 c39be742 2021-07-09 op TAILQ_HEAD(files, file)		 files = TAILQ_HEAD_INITIALIZER(files);
  37 c39be742 2021-07-09 op static struct file {
  38 c39be742 2021-07-09 op 	TAILQ_ENTRY(file)	 entry;
  39 c39be742 2021-07-09 op 	FILE			*stream;
  40 c39be742 2021-07-09 op 	char			*name;
  41 c39be742 2021-07-09 op 	size_t	 		 ungetpos;
  42 c39be742 2021-07-09 op 	size_t			 ungetsize;
  43 c39be742 2021-07-09 op 	u_char			*ungetbuf;
  44 c39be742 2021-07-09 op 	int			 eof_reached;
  45 c39be742 2021-07-09 op 	int			 lineno;
  46 c39be742 2021-07-09 op 	int			 errors;
  47 c39be742 2021-07-09 op } *file, *topfile;
  48 74f0778b 2021-06-16 op 
  49 c39be742 2021-07-09 op struct file	*pushfile(const char *, int);
  50 c39be742 2021-07-09 op int		 popfile(void);
  51 c39be742 2021-07-09 op int		 yyparse(void);
  52 c39be742 2021-07-09 op int		 yylex(void);
  53 c39be742 2021-07-09 op void		 yyerror(const char *, ...)
  54 c39be742 2021-07-09 op     __attribute__((__format__ (printf, 1, 2)))
  55 c39be742 2021-07-09 op     __attribute__((__nonnull__ (1)));
  56 f3966209 2021-07-13 op void		 yywarn(const char *, ...)
  57 f3966209 2021-07-13 op     __attribute__((__format__ (printf, 1, 2)))
  58 f3966209 2021-07-13 op     __attribute__((__nonnull__ (1)));
  59 c39be742 2021-07-09 op int		 kw_cmp(const void *, const void *);
  60 c39be742 2021-07-09 op int		 lookup(char *);
  61 c39be742 2021-07-09 op int		 igetc(void);
  62 c39be742 2021-07-09 op int		 lgetc(int);
  63 c39be742 2021-07-09 op void		 lungetc(int);
  64 c39be742 2021-07-09 op int		 findeol(void);
  65 ef129b08 2021-06-16 op 
  66 15902770 2021-01-15 op /*
  67 15902770 2021-01-15 op  * #define YYDEBUG 1
  68 15902770 2021-01-15 op  * int yydebug = 1;
  69 15902770 2021-01-15 op  */
  70 15902770 2021-01-15 op 
  71 3b21cca3 2021-06-29 op TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
  72 3b21cca3 2021-06-29 op struct sym {
  73 3b21cca3 2021-06-29 op 	TAILQ_ENTRY(sym)	 entry;
  74 3b21cca3 2021-06-29 op 	int			 used;
  75 3b21cca3 2021-06-29 op 	int			 persist;
  76 3b21cca3 2021-06-29 op 	char			*name;
  77 3b21cca3 2021-06-29 op 	char			*val;
  78 3b21cca3 2021-06-29 op };
  79 3b21cca3 2021-06-29 op 
  80 c39be742 2021-07-09 op int	 symset(const char *, const char *, int);
  81 c39be742 2021-07-09 op char	*symget(const char *);
  82 15902770 2021-01-15 op 
  83 c39be742 2021-07-09 op struct vhost	*new_vhost(void);
  84 c39be742 2021-07-09 op struct location	*new_location(void);
  85 b7967bc1 2021-01-02 op struct proxy	*new_proxy(void);
  86 e17642a7 2021-02-01 op char		*ensure_absolute_path(char*);
  87 6abda252 2021-02-06 op int		 check_block_code(int);
  88 6abda252 2021-02-06 op char		*check_block_fmt(char*);
  89 6abda252 2021-02-06 op int		 check_strip_no(int);
  90 391825e3 2021-07-09 op int		 check_port_num(int);
  91 a709ddf5 2021-02-07 op int		 check_prefork_num(int);
  92 49b73ba1 2021-02-10 op void		 advance_loc(void);
  93 b7967bc1 2021-01-02 op void		 advance_proxy(void);
  94 b7967bc1 2021-01-02 op void		 parsehp(char *, char **, const char **, const char *);
  95 534afd0d 2022-10-05 op int		 fastcgi_conf(const char *, const char *, char *);
  96 2025e96d 2022-09-10 op void		 add_param(char *, char *);
  97 534afd0d 2022-10-05 op int		 getservice(const char *);
  98 13ed2fb6 2021-01-27 op 
  99 c39be742 2021-07-09 op static struct vhost		*host;
 100 c39be742 2021-07-09 op static struct location		*loc;
 101 b7967bc1 2021-01-02 op static struct proxy		*proxy;
 102 ee219d70 2022-02-26 op static char			*current_media;
 103 c39be742 2021-07-09 op static int			 errors;
 104 c39be742 2021-07-09 op 
 105 c39be742 2021-07-09 op typedef struct {
 106 c39be742 2021-07-09 op 	union {
 107 c39be742 2021-07-09 op 		char	*string;
 108 c39be742 2021-07-09 op 		int	 number;
 109 c39be742 2021-07-09 op 	} v;
 110 c39be742 2021-07-09 op 	int lineno;
 111 c39be742 2021-07-09 op } YYSTYPE;
 112 c39be742 2021-07-09 op 
 113 15902770 2021-01-15 op %}
 114 15902770 2021-01-15 op 
 115 15902770 2021-01-15 op /* for bison: */
 116 15902770 2021-01-15 op /* %define parse.error verbose */
 117 15902770 2021-01-15 op 
 118 c74c7030 2021-07-19 op %token	ALIAS AUTO
 119 c74c7030 2021-07-19 op %token	BLOCK
 120 d29a2ee2 2022-09-06 op %token	CA CERT CHROOT CLIENT
 121 c74c7030 2021-07-19 op %token	DEFAULT
 122 b7967bc1 2021-01-02 op %token	FASTCGI FOR_HOST
 123 c74c7030 2021-07-19 op %token	INCLUDE INDEX IPV6
 124 c74c7030 2021-07-19 op %token	KEY
 125 c74c7030 2021-07-19 op %token	LANG LOCATION LOG
 126 ff05125e 2021-10-15 op %token	OCSP OFF ON
 127 b7967bc1 2021-01-02 op %token	PARAM PORT PREFORK PROTO PROTOCOLS PROXY
 128 72b033ef 2021-12-29 op %token	RELAY_TO REQUIRE RETURN ROOT
 129 1cdea97b 2022-01-30 op %token	SERVER SNI SPAWN STRIP
 130 ee219d70 2022-02-26 op %token	TCP TOEXT TYPE TYPES
 131 593e412b 2021-01-01 op %token	USE_TLS USER
 132 5128c0b0 2021-01-01 op %token	VERIFYNAME
 133 d06d6f4b 2021-04-29 op 
 134 c39be742 2021-07-09 op %token	ERROR
 135 7252049d 2021-06-29 op 
 136 c39be742 2021-07-09 op %token	<v.string>	STRING
 137 c39be742 2021-07-09 op %token	<v.number>	NUM
 138 15902770 2021-01-15 op 
 139 534afd0d 2022-10-05 op %type	<v.number>	bool proxy_port
 140 ee219d70 2022-02-26 op %type	<v.string>	string numberstring
 141 98f52178 2021-06-29 op 
 142 15902770 2021-01-15 op %%
 143 15902770 2021-01-15 op 
 144 6b86655a 2021-06-29 op conf		: /* empty */
 145 c39be742 2021-07-09 op 		| conf include '\n'
 146 c39be742 2021-07-09 op 		| conf '\n'
 147 c39be742 2021-07-09 op 		| conf varset '\n'
 148 c39be742 2021-07-09 op 		| conf option '\n'
 149 c39be742 2021-07-09 op 		| conf vhost '\n'
 150 ee219d70 2022-02-26 op 		| conf types '\n'
 151 c39be742 2021-07-09 op 		| conf error '\n'		{ file->errors++; }
 152 3b21cca3 2021-06-29 op 		;
 153 3b21cca3 2021-06-29 op 
 154 c39be742 2021-07-09 op include		: INCLUDE STRING		{
 155 c39be742 2021-07-09 op 			struct file	*nfile;
 156 c39be742 2021-07-09 op 
 157 c39be742 2021-07-09 op 			if ((nfile = pushfile($2, 0)) == NULL) {
 158 c39be742 2021-07-09 op 				yyerror("failed to include file %s", $2);
 159 c39be742 2021-07-09 op 				free($2);
 160 c39be742 2021-07-09 op 				YYERROR;
 161 c39be742 2021-07-09 op 			}
 162 c39be742 2021-07-09 op 			free($2);
 163 c39be742 2021-07-09 op 
 164 c39be742 2021-07-09 op 			file = nfile;
 165 c39be742 2021-07-09 op 			lungetc('\n');
 166 c39be742 2021-07-09 op 		}
 167 c39be742 2021-07-09 op 		;
 168 c39be742 2021-07-09 op 
 169 c74c7030 2021-07-19 op bool		: ON	{ $$ = 1; }
 170 c74c7030 2021-07-19 op 		| OFF	{ $$ = 0; }
 171 c39be742 2021-07-09 op 		;
 172 c39be742 2021-07-09 op 
 173 c39be742 2021-07-09 op string		: string STRING	{
 174 98f52178 2021-06-29 op 			if (asprintf(&$$, "%s%s", $1, $2) == -1) {
 175 98f52178 2021-06-29 op 				free($1);
 176 98f52178 2021-06-29 op 				free($2);
 177 98f52178 2021-06-29 op 				yyerror("string: asprintf: %s", strerror(errno));
 178 98f52178 2021-06-29 op 				YYERROR;
 179 98f52178 2021-06-29 op 			}
 180 98f52178 2021-06-29 op 			free($1);
 181 98f52178 2021-06-29 op 			free($2);
 182 98f52178 2021-06-29 op 		}
 183 c39be742 2021-07-09 op 		| STRING
 184 98f52178 2021-06-29 op 		;
 185 98f52178 2021-06-29 op 
 186 ee219d70 2022-02-26 op numberstring	: NUM {
 187 ee219d70 2022-02-26 op 			char *s;
 188 ee219d70 2022-02-26 op 			if (asprintf(&s, "%d", $1) == -1) {
 189 ee219d70 2022-02-26 op 				yyerror("asprintf: number");
 190 ee219d70 2022-02-26 op 				YYERROR;
 191 ee219d70 2022-02-26 op 			}
 192 ee219d70 2022-02-26 op 			$$ = s;
 193 ee219d70 2022-02-26 op 		}
 194 ee219d70 2022-02-26 op 		| STRING
 195 ee219d70 2022-02-26 op 		;
 196 ee219d70 2022-02-26 op 
 197 c39be742 2021-07-09 op varset		: STRING '=' string		{
 198 3b21cca3 2021-06-29 op 			char *s = $1;
 199 3b21cca3 2021-06-29 op 			while (*s++) {
 200 c39be742 2021-07-09 op 				if (isspace((unsigned char)*s)) {
 201 3b21cca3 2021-06-29 op 					yyerror("macro name cannot contain "
 202 3b21cca3 2021-06-29 op 					    "whitespaces");
 203 3b21cca3 2021-06-29 op 					free($1);
 204 3b21cca3 2021-06-29 op 					free($3);
 205 3b21cca3 2021-06-29 op 					YYERROR;
 206 3b21cca3 2021-06-29 op 				}
 207 3b21cca3 2021-06-29 op 			}
 208 3b21cca3 2021-06-29 op 			symset($1, $3, 0);
 209 3b21cca3 2021-06-29 op 			free($1);
 210 3b21cca3 2021-06-29 op 			free($3);
 211 3b21cca3 2021-06-29 op 		}
 212 15902770 2021-01-15 op 		;
 213 15902770 2021-01-15 op 
 214 7277bb7d 2022-09-10 op option		: CHROOT string	{
 215 7277bb7d 2022-09-10 op 			if (strlcpy(conf.chroot, $2, sizeof(conf.chroot)) >=
 216 7277bb7d 2022-09-10 op 			    sizeof(conf.chroot))
 217 7277bb7d 2022-09-10 op 				yyerror("chroot path too long");
 218 7277bb7d 2022-09-10 op 			free($2);
 219 7277bb7d 2022-09-10 op 		}
 220 c74c7030 2021-07-19 op 		| IPV6 bool		{ conf.ipv6 = $2; }
 221 c74c7030 2021-07-19 op 		| PORT NUM		{ conf.port = check_port_num($2); }
 222 c74c7030 2021-07-19 op 		| PREFORK NUM		{ conf.prefork = check_prefork_num($2); }
 223 c74c7030 2021-07-19 op 		| PROTOCOLS string {
 224 5bc3c98e 2021-01-15 op 			if (tls_config_parse_protocols(&conf.protos, $2) == -1)
 225 002a84a1 2021-02-10 op 				yyerror("invalid protocols string \"%s\"", $2);
 226 3c4b712b 2021-01-01 op 			free($2);
 227 5bc3c98e 2021-01-15 op 		}
 228 7277bb7d 2022-09-10 op 		| USER string {
 229 7277bb7d 2022-09-10 op 			if (strlcpy(conf.user, $2, sizeof(conf.user)) >=
 230 7277bb7d 2022-09-10 op 			    sizeof(conf.user))
 231 7277bb7d 2022-09-10 op 				yyerror("user name too long");
 232 7277bb7d 2022-09-10 op 			free($2);
 233 7277bb7d 2022-09-10 op 		}
 234 15902770 2021-01-15 op 		;
 235 15902770 2021-01-15 op 
 236 c74c7030 2021-07-19 op vhost		: SERVER string {
 237 b8e64ccd 2021-03-31 op 			host = new_vhost();
 238 b8e64ccd 2021-03-31 op 			TAILQ_INSERT_HEAD(&hosts, host, vhosts);
 239 b8e64ccd 2021-03-31 op 
 240 b8e64ccd 2021-03-31 op 			loc = new_location();
 241 b8e64ccd 2021-03-31 op 			TAILQ_INSERT_HEAD(&host->locations, loc, locations);
 242 b8e64ccd 2021-03-31 op 
 243 b7967bc1 2021-01-02 op 			TAILQ_INIT(&host->proxies);
 244 b7967bc1 2021-01-02 op 
 245 534afd0d 2022-10-05 op 			(void) strlcpy(loc->match, "*", sizeof(loc->match));
 246 534afd0d 2022-10-05 op 			(void) strlcpy(host->domain, $2, sizeof(host->domain));
 247 15902770 2021-01-15 op 
 248 cbeee4ca 2021-01-28 op 			if (strstr($2, "xn--") != NULL) {
 249 f3966209 2021-07-13 op 				yywarn("\"%s\" looks like punycode: you "
 250 f3966209 2021-07-13 op 				    "should use the decoded hostname", $2);
 251 cbeee4ca 2021-01-28 op 			}
 252 534afd0d 2022-10-05 op 
 253 534afd0d 2022-10-05 op 			free($2);
 254 b7967bc1 2021-01-02 op 		} '{' optnl servbody '}' {
 255 534afd0d 2022-10-05 op 			if (*host->cert == '\0' || *host->key == '\0')
 256 002a84a1 2021-02-10 op 				yyerror("invalid vhost definition: %s", $2);
 257 15902770 2021-01-15 op 		}
 258 f3966209 2021-07-13 op 		| error '}'		{ yyerror("bad server directive"); }
 259 15902770 2021-01-15 op 		;
 260 15902770 2021-01-15 op 
 261 b7967bc1 2021-01-02 op servbody	: /* empty */
 262 b7967bc1 2021-01-02 op 		| servbody servopt optnl
 263 b7967bc1 2021-01-02 op 		| servbody location optnl
 264 b7967bc1 2021-01-02 op 		| servbody proxy optnl
 265 15902770 2021-01-15 op 		;
 266 15902770 2021-01-15 op 
 267 c74c7030 2021-07-19 op servopt		: ALIAS string {
 268 cc8c2901 2021-04-29 op 			struct alist *a;
 269 cc8c2901 2021-04-29 op 
 270 cc8c2901 2021-04-29 op 			a = xcalloc(1, sizeof(*a));
 271 534afd0d 2022-10-05 op 			(void) strlcpy(a->alias, $2, sizeof(a->alias));
 272 534afd0d 2022-10-05 op 			free($2);
 273 edc5ca66 2022-09-10 op 			TAILQ_INSERT_TAIL(&host->aliases, a, aliases);
 274 cc8c2901 2021-04-29 op 		}
 275 c74c7030 2021-07-19 op 		| CERT string		{
 276 534afd0d 2022-10-05 op 			ensure_absolute_path($2);
 277 534afd0d 2022-10-05 op 			(void) strlcpy(host->cert, $2, sizeof(host->cert));
 278 534afd0d 2022-10-05 op 			free($2);
 279 9cc630aa 2021-04-28 op 		}
 280 c74c7030 2021-07-19 op 		| KEY string		{
 281 534afd0d 2022-10-05 op 			ensure_absolute_path($2);
 282 534afd0d 2022-10-05 op 			(void) strlcpy(host->key, $2, sizeof(host->key));
 283 534afd0d 2022-10-05 op 			free($2);
 284 c92b802b 2021-06-11 op 		}
 285 ff05125e 2021-10-15 op 		| OCSP string		{
 286 534afd0d 2022-10-05 op 			ensure_absolute_path($2);
 287 534afd0d 2022-10-05 op 			(void) strlcpy(host->ocsp, $2, sizeof(host->ocsp));
 288 534afd0d 2022-10-05 op 			free($2);
 289 ff05125e 2021-10-15 op 		}
 290 c74c7030 2021-07-19 op 		| PARAM string '=' string {
 291 2025e96d 2022-09-10 op 			add_param($2, $4);
 292 c705ecb1 2021-05-03 op 		}
 293 c8b74339 2021-01-24 op 		| locopt
 294 c8b74339 2021-01-24 op 		;
 295 7bdcc91e 2021-01-01 op 
 296 b7967bc1 2021-01-02 op proxy		: PROXY { advance_proxy(); }
 297 b7967bc1 2021-01-02 op 		  proxy_matches '{' optnl proxy_opts '}' {
 298 534afd0d 2022-10-05 op 			if (*proxy->host == '\0')
 299 b7967bc1 2021-01-02 op 				yyerror("invalid proxy block: missing `relay-to' option");
 300 b7967bc1 2021-01-02 op 
 301 b7967bc1 2021-01-02 op 			if ((proxy->cert == NULL && proxy->key != NULL) ||
 302 b7967bc1 2021-01-02 op 			    (proxy->cert != NULL && proxy->key == NULL))
 303 b7967bc1 2021-01-02 op 				yyerror("invalid proxy block: missing cert or key");
 304 b7967bc1 2021-01-02 op 		}
 305 b7967bc1 2021-01-02 op 		;
 306 b7967bc1 2021-01-02 op 
 307 b7967bc1 2021-01-02 op proxy_matches	: /* empty */
 308 b7967bc1 2021-01-02 op 		| proxy_matches proxy_match
 309 b7967bc1 2021-01-02 op 		;
 310 b7967bc1 2021-01-02 op 
 311 534afd0d 2022-10-05 op proxy_port	: /* empty */	{ $$ = 1965; }
 312 534afd0d 2022-10-05 op 		| PORT STRING {
 313 534afd0d 2022-10-05 op 			if (($$ = getservice($2)) == -1)
 314 534afd0d 2022-10-05 op 				yyerror("invalid port number %s", $2);
 315 534afd0d 2022-10-05 op 			free($2);
 316 534afd0d 2022-10-05 op 		}
 317 534afd0d 2022-10-05 op 		| PORT NUM	{ $$ = $2; }
 318 534afd0d 2022-10-05 op 		;
 319 534afd0d 2022-10-05 op 
 320 b7967bc1 2021-01-02 op proxy_match	: PROTO string {
 321 534afd0d 2022-10-05 op 			(void) strlcpy(proxy->match_proto, $2, sizeof(proxy->match_proto));
 322 534afd0d 2022-10-05 op 			free($2);
 323 b7967bc1 2021-01-02 op 		}
 324 534afd0d 2022-10-05 op 		| FOR_HOST string proxy_port {
 325 534afd0d 2022-10-05 op 			(void) strlcpy(proxy->match_host, $2, sizeof(proxy->match_host));
 326 534afd0d 2022-10-05 op 			(void) snprintf(proxy->match_port, sizeof(proxy->match_port),
 327 534afd0d 2022-10-05 op 			    "%d", $3);
 328 534afd0d 2022-10-05 op 			free($2);
 329 b7967bc1 2021-01-02 op 		}
 330 7bdcc91e 2021-01-01 op 		;
 331 7bdcc91e 2021-01-01 op 
 332 7bdcc91e 2021-01-01 op proxy_opts	: /* empty */
 333 7bdcc91e 2021-01-01 op 		| proxy_opts proxy_opt optnl
 334 7bdcc91e 2021-01-01 op 		;
 335 7bdcc91e 2021-01-01 op 
 336 7bdcc91e 2021-01-01 op proxy_opt	: CERT string {
 337 b7967bc1 2021-01-02 op 			tls_unload_file(proxy->cert, proxy->certlen);
 338 7bdcc91e 2021-01-01 op 			ensure_absolute_path($2);
 339 b7967bc1 2021-01-02 op 			proxy->cert = tls_load_file($2, &proxy->certlen, NULL);
 340 b7967bc1 2021-01-02 op 			if (proxy->cert == NULL)
 341 7bdcc91e 2021-01-01 op 				yyerror("can't load cert %s", $2);
 342 3c4b712b 2021-01-01 op 			free($2);
 343 7bdcc91e 2021-01-01 op 		}
 344 7bdcc91e 2021-01-01 op 		| KEY string {
 345 b7967bc1 2021-01-02 op 			tls_unload_file(proxy->key, proxy->keylen);
 346 7bdcc91e 2021-01-01 op 			ensure_absolute_path($2);
 347 b7967bc1 2021-01-02 op 			proxy->key = tls_load_file($2, &proxy->keylen, NULL);
 348 b7967bc1 2021-01-02 op 			if (proxy->key == NULL)
 349 7bdcc91e 2021-01-01 op 				yyerror("can't load key %s", $2);
 350 3c4b712b 2021-01-01 op 			free($2);
 351 c7c8ef44 2021-01-01 op 		}
 352 c7c8ef44 2021-01-01 op 		| PROTOCOLS string {
 353 b7967bc1 2021-01-02 op 			if (tls_config_parse_protocols(&proxy->protocols, $2) == -1)
 354 c7c8ef44 2021-01-01 op 				yyerror("invalid protocols string \"%s\"", $2);
 355 3c4b712b 2021-01-01 op 			free($2);
 356 7bdcc91e 2021-01-01 op 		}
 357 534afd0d 2022-10-05 op 		| RELAY_TO string proxy_port {
 358 534afd0d 2022-10-05 op 			(void) strlcpy(proxy->host, $2, sizeof(proxy->host));
 359 534afd0d 2022-10-05 op 			(void) snprintf(proxy->port, sizeof(proxy->port),
 360 534afd0d 2022-10-05 op 			    "%d", $3);
 361 534afd0d 2022-10-05 op 			free($2);
 362 593e412b 2021-01-01 op 		}
 363 ba94a608 2022-01-04 op 		| REQUIRE CLIENT CA string {
 364 ba94a608 2022-01-04 op 			ensure_absolute_path($4);
 365 ba94a608 2022-01-04 op 			if ((proxy->reqca = load_ca($4)) == NULL)
 366 ba94a608 2022-01-04 op 				yyerror("couldn't load ca cert: %s", $4);
 367 ba94a608 2022-01-04 op 			free($4);
 368 1cdea97b 2022-01-30 op 		}
 369 1cdea97b 2022-01-30 op 		| SNI string {
 370 534afd0d 2022-10-05 op 			(void) strlcpy(proxy->sni, $2, sizeof(proxy->sni));
 371 534afd0d 2022-10-05 op 			free($2);
 372 ba94a608 2022-01-04 op 		}
 373 593e412b 2021-01-01 op 		| USE_TLS bool {
 374 b7967bc1 2021-01-02 op 			proxy->notls = !$2;
 375 7bdcc91e 2021-01-01 op 		}
 376 5128c0b0 2021-01-01 op 		| VERIFYNAME bool {
 377 b7967bc1 2021-01-02 op 			proxy->noverifyname = !$2;
 378 5128c0b0 2021-01-01 op 		}
 379 7bdcc91e 2021-01-01 op 		;
 380 7bdcc91e 2021-01-01 op 
 381 c74c7030 2021-07-19 op location	: LOCATION { advance_loc(); } string '{' optnl locopts '}' {
 382 49b73ba1 2021-02-10 op 			/* drop the starting '/' if any */
 383 49b73ba1 2021-02-10 op 			if (*$3 == '/')
 384 49b73ba1 2021-02-10 op 				memmove($3, $3+1, strlen($3));
 385 534afd0d 2022-10-05 op 			(void) strlcpy(loc->match, $3, sizeof(loc->match));
 386 534afd0d 2022-10-05 op 			free($3);
 387 6119e13e 2021-01-19 op 		}
 388 c8b74339 2021-01-24 op 		| error '}'
 389 c8b74339 2021-01-24 op 		;
 390 c8b74339 2021-01-24 op 
 391 c8b74339 2021-01-24 op locopts		: /* empty */
 392 c39be742 2021-07-09 op 		| locopts locopt optnl
 393 c8b74339 2021-01-24 op 		;
 394 c8b74339 2021-01-24 op 
 395 c74c7030 2021-07-19 op locopt		: AUTO INDEX bool	{ loc->auto_index = $3 ? 1 : -1; }
 396 c74c7030 2021-07-19 op 		| BLOCK RETURN NUM string {
 397 534afd0d 2022-10-05 op 			check_block_fmt($4);
 398 534afd0d 2022-10-05 op 			(void) strlcpy(loc->block_fmt, $4, sizeof(loc->block_fmt));
 399 6abda252 2021-02-06 op 			loc->block_code = check_block_code($3);
 400 534afd0d 2022-10-05 op 			free($4);
 401 6abda252 2021-02-06 op 		}
 402 c74c7030 2021-07-19 op 		| BLOCK RETURN NUM {
 403 534afd0d 2022-10-05 op 			(void) strlcpy(loc->block_fmt, "temporary failure",
 404 534afd0d 2022-10-05 op 			    sizeof(loc->block_fmt));
 405 6abda252 2021-02-06 op 			loc->block_code = check_block_code($3);
 406 6abda252 2021-02-06 op 			if ($3 >= 30 && $3 < 40)
 407 6abda252 2021-02-06 op 				yyerror("missing `meta' for block return %d", $3);
 408 6abda252 2021-02-06 op 		}
 409 c74c7030 2021-07-19 op 		| BLOCK {
 410 534afd0d 2022-10-05 op 			(void) strlcpy(loc->block_fmt, "temporary failure",
 411 534afd0d 2022-10-05 op 			    sizeof(loc->block_fmt));
 412 6abda252 2021-02-06 op 			loc->block_code = 40;
 413 6abda252 2021-02-06 op 		}
 414 c74c7030 2021-07-19 op 		| DEFAULT TYPE string {
 415 534afd0d 2022-10-05 op 			(void) strlcpy(loc->default_mime, $3,
 416 534afd0d 2022-10-05 op 			    sizeof(loc->default_mime));
 417 534afd0d 2022-10-05 op 			free($3);
 418 eb59f87e 2021-02-09 op 		}
 419 abc8801d 2021-07-19 op 		| FASTCGI fastcgi
 420 c74c7030 2021-07-19 op 		| INDEX string {
 421 534afd0d 2022-10-05 op 			(void) strlcpy(loc->index, $2, sizeof(loc->index));
 422 534afd0d 2022-10-05 op 			free($2);
 423 eb59f87e 2021-02-09 op 		}
 424 c74c7030 2021-07-19 op 		| LANG string {
 425 534afd0d 2022-10-05 op 			(void) strlcpy(loc->lang, $2,
 426 534afd0d 2022-10-05 op 			    sizeof(loc->lang));
 427 534afd0d 2022-10-05 op 			free($2);
 428 eb59f87e 2021-02-09 op 		}
 429 c74c7030 2021-07-19 op 		| LOG bool	{ loc->disable_log = !$2; }
 430 da2185f3 2021-01-01 op 		| REQUIRE CLIENT CA string {
 431 da2185f3 2021-01-01 op 			ensure_absolute_path($4);
 432 da2185f3 2021-01-01 op 			if ((loc->reqca = load_ca($4)) == NULL)
 433 da2185f3 2021-01-01 op 				yyerror("couldn't load ca cert: %s", $4);
 434 da2185f3 2021-01-01 op 			free($4);
 435 da2185f3 2021-01-01 op 		}
 436 da2185f3 2021-01-01 op 		| ROOT string		{
 437 534afd0d 2022-10-05 op 			(void) strlcpy(loc->dir, $2, sizeof(loc->dir));
 438 534afd0d 2022-10-05 op 			free($2);
 439 da2185f3 2021-01-01 op 		}
 440 da2185f3 2021-01-01 op 		| STRIP NUM		{ loc->strip = check_strip_no($2); }
 441 da2185f3 2021-01-01 op 		;
 442 da2185f3 2021-01-01 op 
 443 c74c7030 2021-07-19 op fastcgi		: SPAWN string {
 444 0d047efc 2021-05-24 op 			loc->fcgi = fastcgi_conf(NULL, NULL, $2);
 445 534afd0d 2022-10-05 op 			free($2);
 446 0d047efc 2021-05-24 op 		}
 447 98f52178 2021-06-29 op 		| string {
 448 0d047efc 2021-05-24 op 			loc->fcgi = fastcgi_conf($1, NULL, NULL);
 449 534afd0d 2022-10-05 op 			free($1);
 450 0d047efc 2021-05-24 op 		}
 451 c74c7030 2021-07-19 op 		| TCP string PORT NUM {
 452 0d047efc 2021-05-24 op 			char *c;
 453 762b9b99 2021-07-09 op 			if (asprintf(&c, "%d", $4) == -1)
 454 0d047efc 2021-05-24 op 				err(1, "asprintf");
 455 0d047efc 2021-05-24 op 			loc->fcgi = fastcgi_conf($2, c, NULL);
 456 534afd0d 2022-10-05 op 			free($2);
 457 0d047efc 2021-05-24 op 		}
 458 c74c7030 2021-07-19 op 		| TCP string {
 459 534afd0d 2022-10-05 op 			loc->fcgi = fastcgi_conf($2, "9000", NULL);
 460 534afd0d 2022-10-05 op 			free($2);
 461 0d047efc 2021-05-24 op 		}
 462 c74c7030 2021-07-19 op 		| TCP string PORT string {
 463 762b9b99 2021-07-09 op 			loc->fcgi = fastcgi_conf($2, $4, NULL);
 464 534afd0d 2022-10-05 op 			free($2);
 465 534afd0d 2022-10-05 op 			free($4);
 466 0d047efc 2021-05-24 op 		}
 467 ee219d70 2022-02-26 op 		;
 468 ee219d70 2022-02-26 op 
 469 cd5826b8 2022-09-10 op types		: TYPES '{' optnl mediaopts_l '}' ;
 470 0d047efc 2021-05-24 op 
 471 ee219d70 2022-02-26 op mediaopts_l	: mediaopts_l mediaoptsl nl
 472 ee219d70 2022-02-26 op 		| mediaoptsl nl
 473 ee219d70 2022-02-26 op 		;
 474 ee219d70 2022-02-26 op 
 475 aa9543b9 2022-09-10 op mediaoptsl	: STRING {
 476 aa9543b9 2022-09-10 op 			free(current_media);
 477 aa9543b9 2022-09-10 op 			current_media = $1;
 478 aa9543b9 2022-09-10 op 		} medianames_l optsemicolon
 479 ee219d70 2022-02-26 op 		| include
 480 ee219d70 2022-02-26 op 		;
 481 ee219d70 2022-02-26 op 
 482 ee219d70 2022-02-26 op medianames_l	: medianames_l medianamesl
 483 ee219d70 2022-02-26 op 		| medianamesl
 484 ee219d70 2022-02-26 op 		;
 485 ee219d70 2022-02-26 op 
 486 d8d170aa 2022-04-08 op medianamesl	: numberstring {
 487 d8d170aa 2022-04-08 op 			if (add_mime(&conf.mime, current_media, $1) == -1)
 488 d8d170aa 2022-04-08 op 				err(1, "add_mime");
 489 aa9543b9 2022-09-10 op 			free($1);
 490 d8d170aa 2022-04-08 op 		}
 491 ee219d70 2022-02-26 op 		;
 492 ee219d70 2022-02-26 op 
 493 ee219d70 2022-02-26 op nl		: '\n' optnl
 494 ee219d70 2022-02-26 op 		;
 495 ee219d70 2022-02-26 op 
 496 c39be742 2021-07-09 op optnl		: '\n' optnl		/* zero or more newlines */
 497 67f49405 2021-07-09 op 		| ';' optnl		/* semicolons too */
 498 c39be742 2021-07-09 op 		| /*empty*/
 499 c39be742 2021-07-09 op 		;
 500 fdea6aa0 2021-04-30 op 
 501 ee219d70 2022-02-26 op optsemicolon	: ';'
 502 ee219d70 2022-02-26 op 		|
 503 ee219d70 2022-02-26 op 		;
 504 ee219d70 2022-02-26 op 
 505 c39be742 2021-07-09 op %%
 506 b8e64ccd 2021-03-31 op 
 507 e5d82d94 2022-03-19 op static const struct keyword {
 508 74f0778b 2021-06-16 op 	const char *word;
 509 74f0778b 2021-06-16 op 	int token;
 510 74f0778b 2021-06-16 op } keywords[] = {
 511 d93c8191 2021-07-09 op 	/* these MUST be sorted */
 512 c74c7030 2021-07-19 op 	{"alias", ALIAS},
 513 c74c7030 2021-07-19 op 	{"auto", AUTO},
 514 c74c7030 2021-07-19 op 	{"block", BLOCK},
 515 c74c7030 2021-07-19 op 	{"ca", CA},
 516 c74c7030 2021-07-19 op 	{"cert", CERT},
 517 c74c7030 2021-07-19 op 	{"chroot", CHROOT},
 518 c74c7030 2021-07-19 op 	{"client", CLIENT},
 519 c74c7030 2021-07-19 op 	{"default", DEFAULT},
 520 abc8801d 2021-07-19 op 	{"fastcgi", FASTCGI},
 521 b7967bc1 2021-01-02 op 	{"for-host", FOR_HOST},
 522 88971f9a 2022-02-26 op 	{"include", INCLUDE},
 523 c74c7030 2021-07-19 op 	{"index", INDEX},
 524 c74c7030 2021-07-19 op 	{"ipv6", IPV6},
 525 c74c7030 2021-07-19 op 	{"key", KEY},
 526 c74c7030 2021-07-19 op 	{"lang", LANG},
 527 c74c7030 2021-07-19 op 	{"location", LOCATION},
 528 c74c7030 2021-07-19 op 	{"log", LOG},
 529 ff05125e 2021-10-15 op 	{"ocsp", OCSP},
 530 c74c7030 2021-07-19 op 	{"off", OFF},
 531 c74c7030 2021-07-19 op 	{"on", ON},
 532 c74c7030 2021-07-19 op 	{"param", PARAM},
 533 c74c7030 2021-07-19 op 	{"port", PORT},
 534 c74c7030 2021-07-19 op 	{"prefork", PREFORK},
 535 b7967bc1 2021-01-02 op 	{"proto", PROTO},
 536 c74c7030 2021-07-19 op 	{"protocols", PROTOCOLS},
 537 72b033ef 2021-12-29 op 	{"proxy", PROXY},
 538 72b033ef 2021-12-29 op 	{"relay-to", RELAY_TO},
 539 c74c7030 2021-07-19 op 	{"require", REQUIRE},
 540 c74c7030 2021-07-19 op 	{"return", RETURN},
 541 c74c7030 2021-07-19 op 	{"root", ROOT},
 542 c74c7030 2021-07-19 op 	{"server", SERVER},
 543 1cdea97b 2022-01-30 op 	{"sni", SNI},
 544 c74c7030 2021-07-19 op 	{"spawn", SPAWN},
 545 c74c7030 2021-07-19 op 	{"strip", STRIP},
 546 c74c7030 2021-07-19 op 	{"tcp", TCP},
 547 c74c7030 2021-07-19 op 	{"to-ext", TOEXT},
 548 c74c7030 2021-07-19 op 	{"type", TYPE},
 549 ee219d70 2022-02-26 op 	{"types", TYPES},
 550 593e412b 2021-01-01 op 	{"use-tls", USE_TLS},
 551 c74c7030 2021-07-19 op 	{"user", USER},
 552 5128c0b0 2021-01-01 op 	{"verifyname", VERIFYNAME},
 553 74f0778b 2021-06-16 op };
 554 74f0778b 2021-06-16 op 
 555 c39be742 2021-07-09 op void
 556 c39be742 2021-07-09 op yyerror(const char *msg, ...)
 557 c39be742 2021-07-09 op {
 558 c39be742 2021-07-09 op 	va_list ap;
 559 c39be742 2021-07-09 op 
 560 c39be742 2021-07-09 op 	file->errors++;
 561 c39be742 2021-07-09 op 
 562 c39be742 2021-07-09 op 	va_start(ap, msg);
 563 f3966209 2021-07-13 op 	fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
 564 f3966209 2021-07-13 op 	vfprintf(stderr, msg, ap);
 565 f3966209 2021-07-13 op 	fprintf(stderr, "\n");
 566 f3966209 2021-07-13 op 	va_end(ap);
 567 f3966209 2021-07-13 op }
 568 f3966209 2021-07-13 op 
 569 f3966209 2021-07-13 op void
 570 f3966209 2021-07-13 op yywarn(const char *msg, ...)
 571 f3966209 2021-07-13 op {
 572 f3966209 2021-07-13 op 	va_list ap;
 573 f3966209 2021-07-13 op 
 574 f3966209 2021-07-13 op 	va_start(ap, msg);
 575 f3966209 2021-07-13 op 	fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
 576 c39be742 2021-07-09 op 	vfprintf(stderr, msg, ap);
 577 c39be742 2021-07-09 op 	fprintf(stderr, "\n");
 578 c39be742 2021-07-09 op 	va_end(ap);
 579 c39be742 2021-07-09 op }
 580 c39be742 2021-07-09 op 
 581 d93c8191 2021-07-09 op int
 582 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
 583 d93c8191 2021-07-09 op {
 584 d93c8191 2021-07-09 op 	return strcmp(k, ((struct keyword *)e)->word);
 585 d93c8191 2021-07-09 op }
 586 d93c8191 2021-07-09 op 
 587 c39be742 2021-07-09 op int
 588 c39be742 2021-07-09 op lookup(char *s)
 589 74f0778b 2021-06-16 op {
 590 c39be742 2021-07-09 op 	const struct keyword	*p;
 591 74f0778b 2021-06-16 op 
 592 c39be742 2021-07-09 op 	p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
 593 c39be742 2021-07-09 op 	    sizeof(keywords[0]), kw_cmp);
 594 74f0778b 2021-06-16 op 
 595 c39be742 2021-07-09 op 	if (p)
 596 c39be742 2021-07-09 op 		return p->token;
 597 c39be742 2021-07-09 op 	else
 598 c39be742 2021-07-09 op 		return STRING;
 599 c39be742 2021-07-09 op }
 600 c39be742 2021-07-09 op 
 601 c39be742 2021-07-09 op #define START_EXPAND	1
 602 c39be742 2021-07-09 op #define DONE_EXPAND	2
 603 c39be742 2021-07-09 op 
 604 c39be742 2021-07-09 op static int	expanding;
 605 c39be742 2021-07-09 op 
 606 c39be742 2021-07-09 op int
 607 c39be742 2021-07-09 op igetc(void)
 608 c39be742 2021-07-09 op {
 609 c39be742 2021-07-09 op 	int	c;
 610 c39be742 2021-07-09 op 
 611 c39be742 2021-07-09 op 	while (1) {
 612 c39be742 2021-07-09 op 		if (file->ungetpos > 0)
 613 c39be742 2021-07-09 op 			c = file->ungetbuf[--file->ungetpos];
 614 c39be742 2021-07-09 op 		else
 615 c39be742 2021-07-09 op 			c = getc(file->stream);
 616 c39be742 2021-07-09 op 
 617 c39be742 2021-07-09 op 		if (c == START_EXPAND)
 618 c39be742 2021-07-09 op 			expanding = 1;
 619 c39be742 2021-07-09 op 		else if (c == DONE_EXPAND)
 620 c39be742 2021-07-09 op 			expanding = 0;
 621 c39be742 2021-07-09 op 		else
 622 c39be742 2021-07-09 op 			break;
 623 74f0778b 2021-06-16 op 	}
 624 c39be742 2021-07-09 op 	return c;
 625 c39be742 2021-07-09 op }
 626 74f0778b 2021-06-16 op 
 627 c39be742 2021-07-09 op int
 628 c39be742 2021-07-09 op lgetc(int quotec)
 629 c39be742 2021-07-09 op {
 630 c39be742 2021-07-09 op 	int		c, next;
 631 c39be742 2021-07-09 op 
 632 c39be742 2021-07-09 op 	if (quotec) {
 633 c39be742 2021-07-09 op 		if ((c = igetc()) == EOF) {
 634 c39be742 2021-07-09 op 			yyerror("reached end of file while parsing "
 635 c39be742 2021-07-09 op 			    "quoted string");
 636 c39be742 2021-07-09 op 			if (file == topfile || popfile() == EOF)
 637 c39be742 2021-07-09 op 				return EOF;
 638 c39be742 2021-07-09 op 			return quotec;
 639 c39be742 2021-07-09 op 		}
 640 74f0778b 2021-06-16 op 		return c;
 641 74f0778b 2021-06-16 op 	}
 642 74f0778b 2021-06-16 op 
 643 c39be742 2021-07-09 op 	while ((c = igetc()) == '\\') {
 644 c39be742 2021-07-09 op 		next = igetc();
 645 c39be742 2021-07-09 op 		if (next != '\n') {
 646 c39be742 2021-07-09 op 			c = next;
 647 74f0778b 2021-06-16 op 			break;
 648 c39be742 2021-07-09 op 		}
 649 c39be742 2021-07-09 op 		yylval.lineno = file->lineno;
 650 c39be742 2021-07-09 op 		file->lineno++;
 651 c39be742 2021-07-09 op 	}
 652 3b21cca3 2021-06-29 op 
 653 c39be742 2021-07-09 op 	if (c == EOF) {
 654 c39be742 2021-07-09 op 		/*
 655 c39be742 2021-07-09 op 		 * Fake EOL when hit EOF for the first time. This gets line
 656 c39be742 2021-07-09 op 		 * count right if last line in included file is syntactically
 657 c39be742 2021-07-09 op 		 * invalid and has no newline.
 658 c39be742 2021-07-09 op 		 */
 659 c39be742 2021-07-09 op 		if (file->eof_reached == 0) {
 660 c39be742 2021-07-09 op 			file->eof_reached = 1;
 661 c39be742 2021-07-09 op 			return '\n';
 662 c39be742 2021-07-09 op 		}
 663 c39be742 2021-07-09 op 		while (c == EOF) {
 664 c39be742 2021-07-09 op 			if (file == topfile || popfile() == EOF)
 665 c39be742 2021-07-09 op 				return EOF;
 666 c39be742 2021-07-09 op 			c = igetc();
 667 c39be742 2021-07-09 op 		}
 668 c39be742 2021-07-09 op 	}
 669 c39be742 2021-07-09 op 	return c;
 670 c39be742 2021-07-09 op }
 671 c39be742 2021-07-09 op 
 672 c39be742 2021-07-09 op void
 673 c39be742 2021-07-09 op lungetc(int c)
 674 c39be742 2021-07-09 op {
 675 c39be742 2021-07-09 op 	if (c == EOF)
 676 c39be742 2021-07-09 op 		return;
 677 c39be742 2021-07-09 op 
 678 c39be742 2021-07-09 op 	if (file->ungetpos >= file->ungetsize) {
 679 c39be742 2021-07-09 op 		void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
 680 c39be742 2021-07-09 op 		if (p == NULL)
 681 c39be742 2021-07-09 op 			err(1, "lungetc");
 682 c39be742 2021-07-09 op 		file->ungetbuf = p;
 683 c39be742 2021-07-09 op 		file->ungetsize *= 2;
 684 c39be742 2021-07-09 op 	}
 685 c39be742 2021-07-09 op 	file->ungetbuf[file->ungetpos++] = c;
 686 c39be742 2021-07-09 op }
 687 c39be742 2021-07-09 op 
 688 c39be742 2021-07-09 op int
 689 c39be742 2021-07-09 op findeol(void)
 690 c39be742 2021-07-09 op {
 691 c39be742 2021-07-09 op 	int	c;
 692 c39be742 2021-07-09 op 
 693 c39be742 2021-07-09 op 	/* Skip to either EOF or the first real EOL. */
 694 c39be742 2021-07-09 op 	while (1) {
 695 c39be742 2021-07-09 op 		c = lgetc(0);
 696 c39be742 2021-07-09 op 		if (c == '\n') {
 697 c39be742 2021-07-09 op 			file->lineno++;
 698 3b21cca3 2021-06-29 op 			break;
 699 c39be742 2021-07-09 op 		}
 700 c39be742 2021-07-09 op 		if (c == EOF)
 701 74f0778b 2021-06-16 op 			break;
 702 c39be742 2021-07-09 op 	}
 703 c39be742 2021-07-09 op 	return ERROR;
 704 c39be742 2021-07-09 op }
 705 c39be742 2021-07-09 op 
 706 c39be742 2021-07-09 op int
 707 c39be742 2021-07-09 op yylex(void)
 708 c39be742 2021-07-09 op {
 709 1bd706dc 2021-07-09 op 	char	 buf[8096];
 710 1bd706dc 2021-07-09 op 	char	*p, *val;
 711 1bd706dc 2021-07-09 op 	int	 quotec, next, c;
 712 1bd706dc 2021-07-09 op 	int	 token;
 713 c39be742 2021-07-09 op 
 714 c39be742 2021-07-09 op top:
 715 c39be742 2021-07-09 op 	p = buf;
 716 c39be742 2021-07-09 op 	while ((c = lgetc(0)) == ' ' || c == '\t')
 717 c39be742 2021-07-09 op 		; /* nothing */
 718 c39be742 2021-07-09 op 
 719 c39be742 2021-07-09 op 	yylval.lineno = file->lineno;
 720 c39be742 2021-07-09 op 	if (c == '#')
 721 c39be742 2021-07-09 op 		while ((c = lgetc(0)) != '\n' && c != EOF)
 722 c39be742 2021-07-09 op 			; /* nothing */
 723 c39be742 2021-07-09 op 	if (c == '$' && !expanding) {
 724 c39be742 2021-07-09 op 		while (1) {
 725 c39be742 2021-07-09 op 			if ((c = lgetc(0)) == EOF)
 726 c39be742 2021-07-09 op 				return 0;
 727 67f49405 2021-07-09 op 			if (p + 1 >= buf + sizeof(buf) -1) {
 728 67f49405 2021-07-09 op 				yyerror("string too long");
 729 67f49405 2021-07-09 op 				return findeol();
 730 67f49405 2021-07-09 op 			}
 731 67f49405 2021-07-09 op 			if (isalnum(c) || c == '_') {
 732 67f49405 2021-07-09 op 				*p++ = c;
 733 67f49405 2021-07-09 op 				continue;
 734 67f49405 2021-07-09 op 			}
 735 67f49405 2021-07-09 op 			*p = '\0';
 736 67f49405 2021-07-09 op 			lungetc(c);
 737 67f49405 2021-07-09 op 			break;
 738 67f49405 2021-07-09 op 		}
 739 67f49405 2021-07-09 op 		val = symget(buf);
 740 67f49405 2021-07-09 op 		if (val == NULL) {
 741 67f49405 2021-07-09 op 			yyerror("macro `%s' not defined", buf);
 742 67f49405 2021-07-09 op 			return findeol();
 743 67f49405 2021-07-09 op 		}
 744 67f49405 2021-07-09 op 		yylval.v.string = xstrdup(val);
 745 67f49405 2021-07-09 op 		return STRING;
 746 67f49405 2021-07-09 op 	}
 747 67f49405 2021-07-09 op 	if (c == '@' && !expanding) {
 748 67f49405 2021-07-09 op 		while (1) {
 749 67f49405 2021-07-09 op 			if ((c = lgetc(0)) == EOF)
 750 67f49405 2021-07-09 op 				return 0;
 751 c39be742 2021-07-09 op 
 752 c39be742 2021-07-09 op 			if (p + 1 >= buf + sizeof(buf) - 1) {
 753 c39be742 2021-07-09 op 				yyerror("string too long");
 754 c39be742 2021-07-09 op 				return findeol();
 755 c39be742 2021-07-09 op 			}
 756 c39be742 2021-07-09 op 			if (isalnum(c) || c == '_') {
 757 c39be742 2021-07-09 op 				*p++ = c;
 758 74f0778b 2021-06-16 op 				continue;
 759 74f0778b 2021-06-16 op 			}
 760 c39be742 2021-07-09 op 			*p = '\0';
 761 c39be742 2021-07-09 op 			lungetc(c);
 762 c39be742 2021-07-09 op 			break;
 763 74f0778b 2021-06-16 op 		}
 764 c39be742 2021-07-09 op 		val = symget(buf);
 765 c39be742 2021-07-09 op 		if (val == NULL) {
 766 c39be742 2021-07-09 op 			yyerror("macro '%s' not defined", buf);
 767 c39be742 2021-07-09 op 			return findeol();
 768 74f0778b 2021-06-16 op 		}
 769 c39be742 2021-07-09 op 		p = val + strlen(val) - 1;
 770 c39be742 2021-07-09 op 		lungetc(DONE_EXPAND);
 771 c39be742 2021-07-09 op 		while (p >= val) {
 772 c39be742 2021-07-09 op 			lungetc(*p);
 773 c39be742 2021-07-09 op 			p--;
 774 c39be742 2021-07-09 op 		}
 775 c39be742 2021-07-09 op 		lungetc(START_EXPAND);
 776 c39be742 2021-07-09 op 		goto top;
 777 74f0778b 2021-06-16 op 	}
 778 74f0778b 2021-06-16 op 
 779 c39be742 2021-07-09 op 	switch (c) {
 780 c39be742 2021-07-09 op 	case '\'':
 781 c39be742 2021-07-09 op 	case '"':
 782 c39be742 2021-07-09 op 		quotec = c;
 783 c39be742 2021-07-09 op 		while (1) {
 784 c39be742 2021-07-09 op 			if ((c = lgetc(quotec)) == EOF)
 785 c39be742 2021-07-09 op 				return 0;
 786 c39be742 2021-07-09 op 			if (c == '\n') {
 787 c39be742 2021-07-09 op 				file->lineno++;
 788 c39be742 2021-07-09 op 				continue;
 789 c39be742 2021-07-09 op 			} else if (c == '\\') {
 790 c39be742 2021-07-09 op 				if ((next = lgetc(quotec)) == EOF)
 791 c39be742 2021-07-09 op 					return (0);
 792 c39be742 2021-07-09 op 				if (next == quotec || next == ' ' ||
 793 c39be742 2021-07-09 op 				    next == '\t')
 794 c39be742 2021-07-09 op 					c = next;
 795 c39be742 2021-07-09 op 				else if (next == '\n') {
 796 c39be742 2021-07-09 op 					file->lineno++;
 797 c39be742 2021-07-09 op 					continue;
 798 c39be742 2021-07-09 op 				} else
 799 c39be742 2021-07-09 op 					lungetc(next);
 800 c39be742 2021-07-09 op 			} else if (c == quotec) {
 801 c39be742 2021-07-09 op 				*p = '\0';
 802 c39be742 2021-07-09 op 				break;
 803 c39be742 2021-07-09 op 			} else if (c == '\0') {
 804 f3966209 2021-07-13 op 				yyerror("invalid syntax");
 805 c39be742 2021-07-09 op 				return findeol();
 806 c39be742 2021-07-09 op 			}
 807 c39be742 2021-07-09 op 			if (p + 1 >= buf + sizeof(buf) - 1) {
 808 c39be742 2021-07-09 op 				yyerror("string too long");
 809 c39be742 2021-07-09 op 				return findeol();
 810 c39be742 2021-07-09 op 			}
 811 c39be742 2021-07-09 op 			*p++ = c;
 812 c39be742 2021-07-09 op 		}
 813 c39be742 2021-07-09 op 		yylval.v.string = strdup(buf);
 814 c39be742 2021-07-09 op 		if (yylval.v.string == NULL)
 815 c39be742 2021-07-09 op 			err(1, "yylex: strdup");
 816 c39be742 2021-07-09 op 		return STRING;
 817 74f0778b 2021-06-16 op 	}
 818 c39be742 2021-07-09 op 
 819 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
 820 c39be742 2021-07-09 op 	(isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
 821 c39be742 2021-07-09 op 
 822 c39be742 2021-07-09 op 	if (c == '-' || isdigit(c)) {
 823 c39be742 2021-07-09 op 		do {
 824 c39be742 2021-07-09 op 			*p++ = c;
 825 c39be742 2021-07-09 op 			if ((size_t)(p-buf) >= sizeof(buf)) {
 826 c39be742 2021-07-09 op 				yyerror("string too long");
 827 c39be742 2021-07-09 op 				return findeol();
 828 c39be742 2021-07-09 op 			}
 829 c39be742 2021-07-09 op 		} while ((c = lgetc(0)) != EOF && isdigit(c));
 830 c39be742 2021-07-09 op 		lungetc(c);
 831 c39be742 2021-07-09 op 		if (p == buf + 1 && buf[0] == '-')
 832 c39be742 2021-07-09 op 			goto nodigits;
 833 c39be742 2021-07-09 op 		if (c == EOF || allowed_to_end_number(c)) {
 834 c39be742 2021-07-09 op 			const char *errstr = NULL;
 835 c39be742 2021-07-09 op 
 836 c39be742 2021-07-09 op 			*p = '\0';
 837 c39be742 2021-07-09 op 			yylval.v.number = strtonum(buf, LLONG_MIN,
 838 c39be742 2021-07-09 op 			    LLONG_MAX, &errstr);
 839 c39be742 2021-07-09 op 			if (errstr) {
 840 c39be742 2021-07-09 op 				yyerror("\"%s\" invalid number: %s",
 841 c39be742 2021-07-09 op 				    buf, errstr);
 842 c39be742 2021-07-09 op 				return findeol();
 843 c39be742 2021-07-09 op 			}
 844 c39be742 2021-07-09 op 			return NUM;
 845 c39be742 2021-07-09 op 		} else {
 846 c39be742 2021-07-09 op nodigits:
 847 c39be742 2021-07-09 op 			while (p > buf + 1)
 848 c39be742 2021-07-09 op 				lungetc(*--p);
 849 c39be742 2021-07-09 op 			c = *--p;
 850 c39be742 2021-07-09 op 			if (c == '-')
 851 c39be742 2021-07-09 op 				return c;
 852 c39be742 2021-07-09 op 		}
 853 74f0778b 2021-06-16 op 	}
 854 c39be742 2021-07-09 op 
 855 c39be742 2021-07-09 op #define allowed_in_string(x) \
 856 c39be742 2021-07-09 op 	(isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
 857 c39be742 2021-07-09 op 	x != '{' && x != '}' && \
 858 c39be742 2021-07-09 op 	x != '!' && x != '=' && x != '#' && \
 859 67f49405 2021-07-09 op 	x != ',' && x != ';'))
 860 c39be742 2021-07-09 op 
 861 67f49405 2021-07-09 op 	if (isalnum(c) || c == ':' || c == '_') {
 862 c39be742 2021-07-09 op 		do {
 863 c39be742 2021-07-09 op 			*p++ = c;
 864 c39be742 2021-07-09 op 			if ((size_t)(p-buf) >= sizeof(buf)) {
 865 c39be742 2021-07-09 op 				yyerror("string too long");
 866 c39be742 2021-07-09 op 				return findeol();
 867 c39be742 2021-07-09 op 			}
 868 c39be742 2021-07-09 op 		} while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
 869 c39be742 2021-07-09 op 		lungetc(c);
 870 c39be742 2021-07-09 op 		*p = '\0';
 871 c39be742 2021-07-09 op 		if ((token = lookup(buf)) == STRING)
 872 c39be742 2021-07-09 op 			yylval.v.string = xstrdup(buf);
 873 c39be742 2021-07-09 op 		return token;
 874 74f0778b 2021-06-16 op 	}
 875 c39be742 2021-07-09 op 	if (c == '\n') {
 876 c39be742 2021-07-09 op 		yylval.lineno = file->lineno;
 877 c39be742 2021-07-09 op 		file->lineno++;
 878 74f0778b 2021-06-16 op 	}
 879 c39be742 2021-07-09 op 	if (c == EOF)
 880 c39be742 2021-07-09 op 		return 0;
 881 c39be742 2021-07-09 op 	return c;
 882 c39be742 2021-07-09 op }
 883 c39be742 2021-07-09 op 
 884 c39be742 2021-07-09 op struct file *
 885 c39be742 2021-07-09 op pushfile(const char *name, int secret)
 886 c39be742 2021-07-09 op {
 887 c39be742 2021-07-09 op 	struct file	*nfile;
 888 c39be742 2021-07-09 op 
 889 c39be742 2021-07-09 op 	nfile = xcalloc(1, sizeof(*nfile));
 890 c39be742 2021-07-09 op 	nfile->name = xstrdup(name);
 891 c39be742 2021-07-09 op 	if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
 892 83272dfe 2021-08-23 op 		log_warn(NULL, "can't open %s: %s", nfile->name,
 893 c39be742 2021-07-09 op 		    strerror(errno));
 894 c39be742 2021-07-09 op 		free(nfile->name);
 895 c39be742 2021-07-09 op 		free(nfile);
 896 c39be742 2021-07-09 op 		return NULL;
 897 74f0778b 2021-06-16 op 	}
 898 c39be742 2021-07-09 op 	nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
 899 c39be742 2021-07-09 op 	nfile->ungetsize = 16;
 900 c39be742 2021-07-09 op 	nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
 901 c39be742 2021-07-09 op 	TAILQ_INSERT_TAIL(&files, nfile, entry);
 902 c39be742 2021-07-09 op 	return nfile;
 903 c39be742 2021-07-09 op }
 904 74f0778b 2021-06-16 op 
 905 c39be742 2021-07-09 op int
 906 c39be742 2021-07-09 op popfile(void)
 907 c39be742 2021-07-09 op {
 908 c39be742 2021-07-09 op 	struct file	*prev;
 909 13ed2fb6 2021-01-27 op 
 910 c39be742 2021-07-09 op 	if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
 911 c39be742 2021-07-09 op 		prev->errors += file->errors;
 912 13ed2fb6 2021-01-27 op 
 913 c39be742 2021-07-09 op 	TAILQ_REMOVE(&files, file, entry);
 914 c39be742 2021-07-09 op 	fclose(file->stream);
 915 c39be742 2021-07-09 op 	free(file->name);
 916 c39be742 2021-07-09 op 	free(file->ungetbuf);
 917 c39be742 2021-07-09 op 	free(file);
 918 c39be742 2021-07-09 op 	file = prev;
 919 c39be742 2021-07-09 op 	return file ? 0 : EOF;
 920 13ed2fb6 2021-01-27 op }
 921 13ed2fb6 2021-01-27 op 
 922 13ed2fb6 2021-01-27 op void
 923 c39be742 2021-07-09 op parse_conf(const char *filename)
 924 13ed2fb6 2021-01-27 op {
 925 c39be742 2021-07-09 op 	struct sym		*sym, *next;
 926 3b21cca3 2021-06-29 op 
 927 c39be742 2021-07-09 op 	file = pushfile(filename, 0);
 928 c39be742 2021-07-09 op 	if (file == NULL)
 929 83272dfe 2021-08-23 op 		exit(1);
 930 c39be742 2021-07-09 op 	topfile = file;
 931 c39be742 2021-07-09 op 
 932 13ed2fb6 2021-01-27 op 	yyparse();
 933 c39be742 2021-07-09 op 	errors = file->errors;
 934 c39be742 2021-07-09 op 	popfile();
 935 13ed2fb6 2021-01-27 op 
 936 c39be742 2021-07-09 op 	/* Free macros and check which have not been used. */
 937 3b21cca3 2021-06-29 op 	TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
 938 3b21cca3 2021-06-29 op 		/* TODO: warn if !sym->used */
 939 3b21cca3 2021-06-29 op 		if (!sym->persist) {
 940 3b21cca3 2021-06-29 op 			free(sym->name);
 941 3b21cca3 2021-06-29 op 			free(sym->val);
 942 3b21cca3 2021-06-29 op 			TAILQ_REMOVE(&symhead, sym, entry);
 943 3b21cca3 2021-06-29 op 			free(sym);
 944 3b21cca3 2021-06-29 op 		}
 945 3b21cca3 2021-06-29 op 	}
 946 c39be742 2021-07-09 op 
 947 c39be742 2021-07-09 op 	if (errors)
 948 c39be742 2021-07-09 op 		exit(1);
 949 13ed2fb6 2021-01-27 op }
 950 e17642a7 2021-02-01 op 
 951 f0a01fc7 2021-10-09 op void
 952 f0a01fc7 2021-10-09 op print_conf(void)
 953 f0a01fc7 2021-10-09 op {
 954 f0a01fc7 2021-10-09 op 	struct vhost	*h;
 955 f0a01fc7 2021-10-09 op 	/* struct location	*l; */
 956 f0a01fc7 2021-10-09 op 	/* struct envlist	*e; */
 957 f0a01fc7 2021-10-09 op 	/* struct alist	*a; */
 958 f0a01fc7 2021-10-09 op 
 959 7277bb7d 2022-09-10 op 	if (*conf.chroot != '\0')
 960 f0a01fc7 2021-10-09 op 		printf("chroot \"%s\"\n", conf.chroot);
 961 f0a01fc7 2021-10-09 op 	printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");
 962 f0a01fc7 2021-10-09 op 	/* XXX: defined mimes? */
 963 f0a01fc7 2021-10-09 op 	printf("port %d\n", conf.port);
 964 f0a01fc7 2021-10-09 op 	printf("prefork %d\n", conf.prefork);
 965 f0a01fc7 2021-10-09 op 	/* XXX: protocols? */
 966 7277bb7d 2022-09-10 op 	if (*conf.user != '\0')
 967 f0a01fc7 2021-10-09 op 		printf("user \"%s\"\n", conf.user);
 968 f0a01fc7 2021-10-09 op 
 969 f0a01fc7 2021-10-09 op 	TAILQ_FOREACH(h, &hosts, vhosts) {
 970 f0a01fc7 2021-10-09 op 		printf("\nserver \"%s\" {\n", h->domain);
 971 f0a01fc7 2021-10-09 op 		printf("	cert \"%s\"\n", h->cert);
 972 f0a01fc7 2021-10-09 op 		printf("	key \"%s\"\n", h->key);
 973 f0a01fc7 2021-10-09 op 		/* TODO: print locations... */
 974 f0a01fc7 2021-10-09 op 		printf("}\n");
 975 f0a01fc7 2021-10-09 op 	}
 976 f0a01fc7 2021-10-09 op }
 977 f0a01fc7 2021-10-09 op 
 978 c39be742 2021-07-09 op int
 979 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
 980 c39be742 2021-07-09 op {
 981 c39be742 2021-07-09 op 	struct sym *sym;
 982 c39be742 2021-07-09 op 
 983 c39be742 2021-07-09 op 	TAILQ_FOREACH(sym, &symhead, entry) {
 984 c39be742 2021-07-09 op 		if (!strcmp(name, sym->name))
 985 c39be742 2021-07-09 op 			break;
 986 c39be742 2021-07-09 op 	}
 987 c39be742 2021-07-09 op 
 988 c39be742 2021-07-09 op 	if (sym != NULL) {
 989 c39be742 2021-07-09 op 		if (sym->persist)
 990 c39be742 2021-07-09 op 			return 0;
 991 c39be742 2021-07-09 op 		else {
 992 c39be742 2021-07-09 op 			free(sym->name);
 993 c39be742 2021-07-09 op 			free(sym->val);
 994 c39be742 2021-07-09 op 			TAILQ_REMOVE(&symhead, sym, entry);
 995 c39be742 2021-07-09 op 			free(sym);
 996 c39be742 2021-07-09 op 		}
 997 c39be742 2021-07-09 op 	}
 998 c39be742 2021-07-09 op 
 999 c39be742 2021-07-09 op 	sym = xcalloc(1, sizeof(*sym));
1000 c39be742 2021-07-09 op 	sym->name = xstrdup(name);
1001 c39be742 2021-07-09 op 	sym->val = xstrdup(val);
1002 c39be742 2021-07-09 op 	sym->used = 0;
1003 c39be742 2021-07-09 op 	sym->persist = persist;
1004 c39be742 2021-07-09 op 
1005 c39be742 2021-07-09 op 	TAILQ_INSERT_TAIL(&symhead, sym, entry);
1006 c39be742 2021-07-09 op 	return 0;
1007 c39be742 2021-07-09 op }
1008 c39be742 2021-07-09 op 
1009 c39be742 2021-07-09 op int
1010 c39be742 2021-07-09 op cmdline_symset(char *s)
1011 c39be742 2021-07-09 op {
1012 c39be742 2021-07-09 op 	char	*sym, *val;
1013 c39be742 2021-07-09 op 	int	 ret;
1014 c39be742 2021-07-09 op 
1015 c39be742 2021-07-09 op 	if ((val = strrchr(s, '=')) == NULL)
1016 c39be742 2021-07-09 op 		return -1;
1017 c39be742 2021-07-09 op 	sym = xcalloc(1, val - s + 1);
1018 c39be742 2021-07-09 op 	memcpy(sym, s, val - s);
1019 c39be742 2021-07-09 op 	ret = symset(sym, val + 1, 1);
1020 c39be742 2021-07-09 op 	free(sym);
1021 c39be742 2021-07-09 op 	return ret;
1022 c39be742 2021-07-09 op }
1023 c39be742 2021-07-09 op 
1024 e17642a7 2021-02-01 op char *
1025 c39be742 2021-07-09 op symget(const char *nam)
1026 c39be742 2021-07-09 op {
1027 c39be742 2021-07-09 op 	struct sym	*sym;
1028 c39be742 2021-07-09 op 
1029 c39be742 2021-07-09 op 	TAILQ_FOREACH(sym, &symhead, entry) {
1030 c39be742 2021-07-09 op 		if (strcmp(nam, sym->name) == 0) {
1031 c39be742 2021-07-09 op 			sym->used = 1;
1032 c39be742 2021-07-09 op 			return sym->val;
1033 c39be742 2021-07-09 op 		}
1034 c39be742 2021-07-09 op 	}
1035 c39be742 2021-07-09 op 	return NULL;
1036 c39be742 2021-07-09 op }
1037 c39be742 2021-07-09 op 
1038 c39be742 2021-07-09 op struct vhost *
1039 c39be742 2021-07-09 op new_vhost(void)
1040 c39be742 2021-07-09 op {
1041 edc5ca66 2022-09-10 op 	struct vhost *h;
1042 edc5ca66 2022-09-10 op 
1043 edc5ca66 2022-09-10 op 	h = xcalloc(1, sizeof(*h));
1044 edc5ca66 2022-09-10 op 	TAILQ_INIT(&h->locations);
1045 edc5ca66 2022-09-10 op 	TAILQ_INIT(&h->params);
1046 edc5ca66 2022-09-10 op 	TAILQ_INIT(&h->aliases);
1047 edc5ca66 2022-09-10 op 	TAILQ_INIT(&h->proxies);
1048 edc5ca66 2022-09-10 op 	return h;
1049 c39be742 2021-07-09 op }
1050 c39be742 2021-07-09 op 
1051 c39be742 2021-07-09 op struct location *
1052 c39be742 2021-07-09 op new_location(void)
1053 c39be742 2021-07-09 op {
1054 c39be742 2021-07-09 op 	struct location *l;
1055 c39be742 2021-07-09 op 
1056 c39be742 2021-07-09 op 	l = xcalloc(1, sizeof(*l));
1057 c39be742 2021-07-09 op 	l->dirfd = -1;
1058 c39be742 2021-07-09 op 	l->fcgi = -1;
1059 c39be742 2021-07-09 op 	return l;
1060 c39be742 2021-07-09 op }
1061 c39be742 2021-07-09 op 
1062 b7967bc1 2021-01-02 op struct proxy *
1063 b7967bc1 2021-01-02 op new_proxy(void)
1064 b7967bc1 2021-01-02 op {
1065 b7967bc1 2021-01-02 op 	struct proxy *p;
1066 76000995 2022-09-06 op 
1067 76000995 2022-09-06 op 	conf.can_open_sockets = 1;
1068 b7967bc1 2021-01-02 op 
1069 b7967bc1 2021-01-02 op 	p = xcalloc(1, sizeof(*p));
1070 b7967bc1 2021-01-02 op 	p->protocols = TLS_PROTOCOLS_DEFAULT;
1071 b7967bc1 2021-01-02 op 	return p;
1072 b7967bc1 2021-01-02 op }
1073 b7967bc1 2021-01-02 op 
1074 c39be742 2021-07-09 op char *
1075 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
1076 e17642a7 2021-02-01 op {
1077 e17642a7 2021-02-01 op 	if (path == NULL || *path != '/')
1078 adbe6a64 2021-04-30 op 		yyerror("not an absolute path: %s", path);
1079 e17642a7 2021-02-01 op 	return path;
1080 e17642a7 2021-02-01 op }
1081 6abda252 2021-02-06 op 
1082 6abda252 2021-02-06 op int
1083 6abda252 2021-02-06 op check_block_code(int n)
1084 6abda252 2021-02-06 op {
1085 6abda252 2021-02-06 op 	if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
1086 6abda252 2021-02-06 op 		yyerror("invalid block code %d", n);
1087 6abda252 2021-02-06 op 	return n;
1088 6abda252 2021-02-06 op }
1089 6abda252 2021-02-06 op 
1090 6abda252 2021-02-06 op char *
1091 6abda252 2021-02-06 op check_block_fmt(char *fmt)
1092 6abda252 2021-02-06 op {
1093 6abda252 2021-02-06 op 	char *s;
1094 6abda252 2021-02-06 op 
1095 6abda252 2021-02-06 op 	for (s = fmt; *s; ++s) {
1096 6abda252 2021-02-06 op 		if (*s != '%')
1097 6abda252 2021-02-06 op 			continue;
1098 6abda252 2021-02-06 op 		switch (*++s) {
1099 6abda252 2021-02-06 op 		case '%':
1100 6abda252 2021-02-06 op 		case 'p':
1101 6abda252 2021-02-06 op 		case 'q':
1102 6abda252 2021-02-06 op 		case 'P':
1103 6abda252 2021-02-06 op 		case 'N':
1104 6abda252 2021-02-06 op 			break;
1105 6abda252 2021-02-06 op 		default:
1106 6abda252 2021-02-06 op 			yyerror("invalid format specifier %%%c", *s);
1107 6abda252 2021-02-06 op 		}
1108 6abda252 2021-02-06 op 	}
1109 6abda252 2021-02-06 op 
1110 6abda252 2021-02-06 op 	return fmt;
1111 6abda252 2021-02-06 op }
1112 6abda252 2021-02-06 op 
1113 6abda252 2021-02-06 op int
1114 6abda252 2021-02-06 op check_strip_no(int n)
1115 6abda252 2021-02-06 op {
1116 6abda252 2021-02-06 op 	if (n <= 0)
1117 6abda252 2021-02-06 op 		yyerror("invalid strip number %d", n);
1118 a709ddf5 2021-02-07 op 	return n;
1119 a709ddf5 2021-02-07 op }
1120 a709ddf5 2021-02-07 op 
1121 a709ddf5 2021-02-07 op int
1122 391825e3 2021-07-09 op check_port_num(int n)
1123 391825e3 2021-07-09 op {
1124 391825e3 2021-07-09 op 	if (n <= 0 || n >= UINT16_MAX)
1125 391825e3 2021-07-09 op 		yyerror("port number is %s: %d",
1126 391825e3 2021-07-09 op 		    n <= 0 ? "too small" : "too large",
1127 391825e3 2021-07-09 op 		    n);
1128 391825e3 2021-07-09 op 	return n;
1129 391825e3 2021-07-09 op }
1130 391825e3 2021-07-09 op 
1131 391825e3 2021-07-09 op int
1132 a709ddf5 2021-02-07 op check_prefork_num(int n)
1133 a709ddf5 2021-02-07 op {
1134 2c3e53da 2021-03-03 op 	if (n <= 0 || n >= PROC_MAX)
1135 a709ddf5 2021-02-07 op 		yyerror("invalid prefork number %d", n);
1136 6abda252 2021-02-06 op 	return n;
1137 6abda252 2021-02-06 op }
1138 49b73ba1 2021-02-10 op 
1139 49b73ba1 2021-02-10 op void
1140 49b73ba1 2021-02-10 op advance_loc(void)
1141 49b73ba1 2021-02-10 op {
1142 b8e64ccd 2021-03-31 op 	loc = new_location();
1143 b8e64ccd 2021-03-31 op 	TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1144 49b73ba1 2021-02-10 op }
1145 c705ecb1 2021-05-03 op 
1146 c705ecb1 2021-05-03 op void
1147 b7967bc1 2021-01-02 op advance_proxy(void)
1148 b7967bc1 2021-01-02 op {
1149 b7967bc1 2021-01-02 op 	proxy = new_proxy();
1150 b7967bc1 2021-01-02 op 	TAILQ_INSERT_TAIL(&host->proxies, proxy, proxies);
1151 b7967bc1 2021-01-02 op }
1152 b7967bc1 2021-01-02 op 
1153 b7967bc1 2021-01-02 op void
1154 b7967bc1 2021-01-02 op parsehp(char *str, char **host, const char **port, const char *def)
1155 b7967bc1 2021-01-02 op {
1156 b7967bc1 2021-01-02 op 	char		*at;
1157 b7967bc1 2021-01-02 op 	const char	*errstr;
1158 b7967bc1 2021-01-02 op 
1159 b7967bc1 2021-01-02 op 	*host = str;
1160 b7967bc1 2021-01-02 op 
1161 b7967bc1 2021-01-02 op 	if ((at = strchr(str, ':')) != NULL) {
1162 b7967bc1 2021-01-02 op 		*at++ = '\0';
1163 b7967bc1 2021-01-02 op 		*port = at;
1164 b7967bc1 2021-01-02 op 	} else
1165 b7967bc1 2021-01-02 op 		*port = def;
1166 b7967bc1 2021-01-02 op 
1167 b7967bc1 2021-01-02 op 	strtonum(*port, 1, UINT16_MAX, &errstr);
1168 b7967bc1 2021-01-02 op 	if (errstr != NULL)
1169 b7967bc1 2021-01-02 op 		yyerror("port is %s: %s", errstr, *port);
1170 8ad1c570 2021-05-09 op }
1171 8ad1c570 2021-05-09 op 
1172 8ad1c570 2021-05-09 op int
1173 534afd0d 2022-10-05 op fastcgi_conf(const char *path, const char *port, char *prog)
1174 8ad1c570 2021-05-09 op {
1175 8ad1c570 2021-05-09 op 	struct fcgi	*f;
1176 8ad1c570 2021-05-09 op 	int		i;
1177 8ad1c570 2021-05-09 op 
1178 76000995 2022-09-06 op 	conf.can_open_sockets = 1;
1179 76000995 2022-09-06 op 
1180 8ad1c570 2021-05-09 op 	for (i = 0; i < FCGI_MAX; ++i) {
1181 8ad1c570 2021-05-09 op 		f = &fcgi[i];
1182 fafc6849 2021-06-29 op 
1183 534afd0d 2022-10-05 op 		if (*f->path == '\0') {
1184 8ad1c570 2021-05-09 op 			f->id = i;
1185 534afd0d 2022-10-05 op 			(void) strlcpy(f->path, path, sizeof(f->path));
1186 534afd0d 2022-10-05 op 			(void) strlcpy(f->port, port, sizeof(f->port));
1187 8ad1c570 2021-05-09 op 			return i;
1188 8ad1c570 2021-05-09 op 		}
1189 8ad1c570 2021-05-09 op 
1190 8ad1c570 2021-05-09 op 		if (!strcmp(f->path, path) &&
1191 534afd0d 2022-10-05 op 		    ((port == NULL && *f->port == '\0') ||
1192 534afd0d 2022-10-05 op 		     !strcmp(f->port, port)))
1193 8ad1c570 2021-05-09 op 			return i;
1194 8ad1c570 2021-05-09 op 	}
1195 8ad1c570 2021-05-09 op 
1196 8ad1c570 2021-05-09 op 	yyerror("too much `fastcgi' rules defined.");
1197 8ad1c570 2021-05-09 op 	return -1;
1198 c92b802b 2021-06-11 op }
1199 c92b802b 2021-06-11 op 
1200 c92b802b 2021-06-11 op void
1201 2025e96d 2022-09-10 op add_param(char *name, char *val)
1202 c92b802b 2021-06-11 op {
1203 c92b802b 2021-06-11 op 	struct envlist *e;
1204 2025e96d 2022-09-10 op 	struct envhead *h = &host->params;
1205 c92b802b 2021-06-11 op 
1206 c92b802b 2021-06-11 op 	e = xcalloc(1, sizeof(*e));
1207 534afd0d 2022-10-05 op 	(void) strlcpy(e->name, name, sizeof(e->name));
1208 534afd0d 2022-10-05 op 	(void) strlcpy(e->value, val, sizeof(e->value));
1209 edc5ca66 2022-09-10 op 	TAILQ_INSERT_TAIL(h, e, envs);
1210 3b21cca3 2021-06-29 op }
1211 534afd0d 2022-10-05 op 
1212 534afd0d 2022-10-05 op int
1213 534afd0d 2022-10-05 op getservice(const char *n)
1214 534afd0d 2022-10-05 op {
1215 534afd0d 2022-10-05 op 	struct servent	*s;
1216 534afd0d 2022-10-05 op 	const char	*errstr;
1217 534afd0d 2022-10-05 op 	long long	 llval;
1218 534afd0d 2022-10-05 op 
1219 534afd0d 2022-10-05 op 	llval = strtonum(n, 0, UINT16_MAX, &errstr);
1220 534afd0d 2022-10-05 op 	if (errstr) {
1221 534afd0d 2022-10-05 op 		s = getservbyname(n, "tcp");
1222 534afd0d 2022-10-05 op 		if (s == NULL)
1223 534afd0d 2022-10-05 op 			s = getservbyname(n, "udp");
1224 534afd0d 2022-10-05 op 		if (s == NULL)
1225 534afd0d 2022-10-05 op 			return (-1);
1226 534afd0d 2022-10-05 op 		return (ntohs(s->s_port));
1227 534afd0d 2022-10-05 op 	}
1228 534afd0d 2022-10-05 op 
1229 534afd0d 2022-10-05 op 	return ((unsigned short)llval);
1230 534afd0d 2022-10-05 op }