4 eac9287d 2023-06-24 op * Copyright (c) 2021, 2022, 2023 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.
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.
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.
26 1f1f3810 2022-02-03 op #include "gmid.h"
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>
36 df5058c9 2023-06-05 op #include "log.h"
38 af1dab18 2023-06-09 op struct conf *conf;
40 509d0509 2023-06-23 op static const char *default_host = "*";
41 509d0509 2023-06-23 op static uint16_t default_port = 1965;
43 c39be742 2021-07-09 op TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
44 c39be742 2021-07-09 op static struct file {
45 c39be742 2021-07-09 op TAILQ_ENTRY(file) entry;
48 c39be742 2021-07-09 op size_t ungetpos;
49 c39be742 2021-07-09 op size_t ungetsize;
50 c39be742 2021-07-09 op u_char *ungetbuf;
51 c39be742 2021-07-09 op int eof_reached;
54 c39be742 2021-07-09 op } *file, *topfile;
56 c39be742 2021-07-09 op struct file *pushfile(const char *, int);
57 c39be742 2021-07-09 op int popfile(void);
58 c39be742 2021-07-09 op int yyparse(void);
59 c39be742 2021-07-09 op int yylex(void);
60 c39be742 2021-07-09 op void yyerror(const char *, ...)
61 c39be742 2021-07-09 op __attribute__((__format__ (printf, 1, 2)))
62 c39be742 2021-07-09 op __attribute__((__nonnull__ (1)));
63 f3966209 2021-07-13 op void yywarn(const char *, ...)
64 f3966209 2021-07-13 op __attribute__((__format__ (printf, 1, 2)))
65 f3966209 2021-07-13 op __attribute__((__nonnull__ (1)));
66 c39be742 2021-07-09 op int kw_cmp(const void *, const void *);
67 c39be742 2021-07-09 op int lookup(char *);
68 c39be742 2021-07-09 op int igetc(void);
69 c39be742 2021-07-09 op int lgetc(int);
70 c39be742 2021-07-09 op void lungetc(int);
71 c39be742 2021-07-09 op int findeol(void);
74 15902770 2021-01-15 op * #define YYDEBUG 1
75 15902770 2021-01-15 op * int yydebug = 1;
78 3b21cca3 2021-06-29 op TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
80 3b21cca3 2021-06-29 op TAILQ_ENTRY(sym) entry;
87 c39be742 2021-07-09 op int symset(const char *, const char *, int);
88 c39be742 2021-07-09 op char *symget(const char *);
90 e17642a7 2021-02-01 op char *ensure_absolute_path(char*);
91 6abda252 2021-02-06 op int check_block_code(int);
92 6abda252 2021-02-06 op char *check_block_fmt(char*);
93 6abda252 2021-02-06 op int check_strip_no(int);
94 391825e3 2021-07-09 op int check_port_num(int);
95 a709ddf5 2021-02-07 op int check_prefork_num(int);
96 49b73ba1 2021-02-10 op void advance_loc(void);
97 b7967bc1 2021-01-02 op void advance_proxy(void);
98 b7967bc1 2021-01-02 op void parsehp(char *, char **, const char **, const char *);
99 7b00c890 2022-10-05 op int fastcgi_conf(const char *, const char *);
100 2025e96d 2022-09-10 op void add_param(char *, char *);
101 534afd0d 2022-10-05 op int getservice(const char *);
102 509d0509 2023-06-23 op void listen_on(const char *, const char *);
104 c39be742 2021-07-09 op static struct vhost *host;
105 c39be742 2021-07-09 op static struct location *loc;
106 b7967bc1 2021-01-02 op static struct proxy *proxy;
107 ee219d70 2022-02-26 op static char *current_media;
108 c39be742 2021-07-09 op static int errors;
110 c39be742 2021-07-09 op typedef struct {
112 c39be742 2021-07-09 op char *string;
118 8af9da98 2023-06-13 op #define YYSTYPE YYSTYPE
122 15902770 2021-01-15 op /* for bison: */
123 15902770 2021-01-15 op /* %define parse.error verbose */
125 c74c7030 2021-07-19 op %token ALIAS AUTO
127 d29a2ee2 2022-09-06 op %token CA CERT CHROOT CLIENT
128 c74c7030 2021-07-19 op %token DEFAULT
129 b7967bc1 2021-01-02 op %token FASTCGI FOR_HOST
130 c74c7030 2021-07-19 op %token INCLUDE INDEX IPV6
132 509d0509 2023-06-23 op %token LANG LISTEN LOCATION LOG
133 ff05125e 2021-10-15 op %token OCSP OFF ON
134 b7967bc1 2021-01-02 op %token PARAM PORT PREFORK PROTO PROTOCOLS PROXY
135 72b033ef 2021-12-29 op %token RELAY_TO REQUIRE RETURN ROOT
136 7b00c890 2022-10-05 op %token SERVER SNI STRIP
137 ee219d70 2022-02-26 op %token TCP TOEXT TYPE TYPES
138 593e412b 2021-01-01 op %token USE_TLS USER
139 5128c0b0 2021-01-01 op %token VERIFYNAME
143 c39be742 2021-07-09 op %token <v.string> STRING
144 c39be742 2021-07-09 op %token <v.number> NUM
146 534afd0d 2022-10-05 op %type <v.number> bool proxy_port
147 a7a998ac 2023-06-23 op %type <v.string> string numberstring listen_addr
151 6b86655a 2021-06-29 op conf : /* empty */
152 c39be742 2021-07-09 op | conf include '\n'
154 c39be742 2021-07-09 op | conf varset '\n'
155 c39be742 2021-07-09 op | conf option '\n'
156 c39be742 2021-07-09 op | conf vhost '\n'
157 ee219d70 2022-02-26 op | conf types '\n'
158 c39be742 2021-07-09 op | conf error '\n' { file->errors++; }
161 c39be742 2021-07-09 op include : INCLUDE STRING {
162 c39be742 2021-07-09 op struct file *nfile;
164 c39be742 2021-07-09 op if ((nfile = pushfile($2, 0)) == NULL) {
165 c39be742 2021-07-09 op yyerror("failed to include file %s", $2);
171 c39be742 2021-07-09 op file = nfile;
172 c39be742 2021-07-09 op lungetc('\n');
176 c74c7030 2021-07-19 op bool : ON { $$ = 1; }
177 c74c7030 2021-07-19 op | OFF { $$ = 0; }
180 c39be742 2021-07-09 op string : string STRING {
181 98f52178 2021-06-29 op if (asprintf(&$$, "%s%s", $1, $2) == -1) {
184 98f52178 2021-06-29 op yyerror("string: asprintf: %s", strerror(errno));
193 ee219d70 2022-02-26 op numberstring : NUM {
195 ee219d70 2022-02-26 op if (asprintf(&s, "%d", $1) == -1) {
196 ee219d70 2022-02-26 op yyerror("asprintf: number");
204 c39be742 2021-07-09 op varset : STRING '=' string {
205 3b21cca3 2021-06-29 op char *s = $1;
206 3b21cca3 2021-06-29 op while (*s++) {
207 c39be742 2021-07-09 op if (isspace((unsigned char)*s)) {
208 3b21cca3 2021-06-29 op yyerror("macro name cannot contain "
209 3b21cca3 2021-06-29 op "whitespaces");
215 3b21cca3 2021-06-29 op symset($1, $3, 0);
221 7277bb7d 2022-09-10 op option : CHROOT string {
222 af1dab18 2023-06-09 op if (strlcpy(conf->chroot, $2, sizeof(conf->chroot)) >=
223 af1dab18 2023-06-09 op sizeof(conf->chroot))
224 7277bb7d 2022-09-10 op yyerror("chroot path too long");
227 509d0509 2023-06-23 op | IPV6 bool {
228 509d0509 2023-06-23 op yywarn("option `ipv6' is deprecated,"
229 509d0509 2023-06-23 op " please use `listen on'");
231 509d0509 2023-06-23 op default_host = "*";
233 509d0509 2023-06-23 op default_host = "0.0.0.0";
236 509d0509 2023-06-23 op yywarn("option `port' is deprecated,"
237 509d0509 2023-06-23 op " please use `listen on'");
238 509d0509 2023-06-23 op default_port = $2;
240 af1dab18 2023-06-09 op | PREFORK NUM { conf->prefork = check_prefork_num($2); }
241 c74c7030 2021-07-19 op | PROTOCOLS string {
242 af1dab18 2023-06-09 op if (tls_config_parse_protocols(&conf->protos, $2) == -1)
243 002a84a1 2021-02-10 op yyerror("invalid protocols string \"%s\"", $2);
246 7277bb7d 2022-09-10 op | USER string {
247 af1dab18 2023-06-09 op if (strlcpy(conf->user, $2, sizeof(conf->user)) >=
248 af1dab18 2023-06-09 op sizeof(conf->user))
249 7277bb7d 2022-09-10 op yyerror("user name too long");
254 c74c7030 2021-07-19 op vhost : SERVER string {
255 b8e64ccd 2021-03-31 op host = new_vhost();
256 af1dab18 2023-06-09 op TAILQ_INSERT_HEAD(&conf->hosts, host, vhosts);
258 b8e64ccd 2021-03-31 op loc = new_location();
259 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&host->locations, loc, locations);
261 b7967bc1 2021-01-02 op TAILQ_INIT(&host->proxies);
263 534afd0d 2022-10-05 op (void) strlcpy(loc->match, "*", sizeof(loc->match));
264 534afd0d 2022-10-05 op (void) strlcpy(host->domain, $2, sizeof(host->domain));
266 cbeee4ca 2021-01-28 op if (strstr($2, "xn--") != NULL) {
267 f3966209 2021-07-13 op yywarn("\"%s\" looks like punycode: you "
268 f3966209 2021-07-13 op "should use the decoded hostname", $2);
272 b7967bc1 2021-01-02 op } '{' optnl servbody '}' {
273 1c6967b3 2023-06-08 op if (host->cert_path == NULL ||
274 1c6967b3 2023-06-08 op host->key_path == NULL)
275 fc2d207c 2023-06-23 op yyerror("invalid vhost definition: %s",
276 fc2d207c 2023-06-23 op host->domain);
277 509d0509 2023-06-23 op if (TAILQ_EMPTY(&host->addrs)) {
278 509d0509 2023-06-23 op char portno[32];
281 509d0509 2023-06-23 op r = snprintf(portno, sizeof(portno), "%d",
282 509d0509 2023-06-23 op default_port);
283 509d0509 2023-06-23 op if (r < 0 || (size_t)r >= sizeof(portno))
284 509d0509 2023-06-23 op fatal("snprintf");
286 509d0509 2023-06-23 op yywarn("missing `listen on' in server %s,"
287 509d0509 2023-06-23 op " assuming %s port %d", $2, default_host,
288 509d0509 2023-06-23 op default_port);
289 509d0509 2023-06-23 op listen_on(default_host, portno);
292 f3966209 2021-07-13 op | error '}' { yyerror("bad server directive"); }
295 b7967bc1 2021-01-02 op servbody : /* empty */
296 b7967bc1 2021-01-02 op | servbody servopt optnl
297 b7967bc1 2021-01-02 op | servbody location optnl
298 b7967bc1 2021-01-02 op | servbody proxy optnl
301 a7a998ac 2023-06-23 op listen_addr : '*' { $$ = NULL; }
305 c74c7030 2021-07-19 op servopt : ALIAS string {
306 cc8c2901 2021-04-29 op struct alist *a;
308 cc8c2901 2021-04-29 op a = xcalloc(1, sizeof(*a));
309 534afd0d 2022-10-05 op (void) strlcpy(a->alias, $2, sizeof(a->alias));
311 edc5ca66 2022-09-10 op TAILQ_INSERT_TAIL(&host->aliases, a, aliases);
313 c74c7030 2021-07-19 op | CERT string {
314 534afd0d 2022-10-05 op ensure_absolute_path($2);
315 1c6967b3 2023-06-08 op free(host->cert_path);
316 1c6967b3 2023-06-08 op host->cert_path = $2;
318 c74c7030 2021-07-19 op | KEY string {
319 534afd0d 2022-10-05 op ensure_absolute_path($2);
320 1c6967b3 2023-06-08 op free(host->key_path);
321 1c6967b3 2023-06-08 op host->key_path = $2;
323 ff05125e 2021-10-15 op | OCSP string {
324 534afd0d 2022-10-05 op ensure_absolute_path($2);
325 1c6967b3 2023-06-08 op free(host->ocsp_path);
326 1c6967b3 2023-06-08 op host->ocsp_path = $2;
328 c74c7030 2021-07-19 op | PARAM string '=' string {
329 2025e96d 2022-09-10 op add_param($2, $4);
331 a7a998ac 2023-06-23 op | LISTEN ON listen_addr PORT STRING {
332 509d0509 2023-06-23 op listen_on($3, $5);
336 a7a998ac 2023-06-23 op | LISTEN ON listen_addr PORT NUM {
337 509d0509 2023-06-23 op char portno[32];
340 509d0509 2023-06-23 op r = snprintf(portno, sizeof(portno), "%d", $5);
341 509d0509 2023-06-23 op if (r < 0 || (size_t)r >= sizeof(portno))
342 509d0509 2023-06-23 op fatal("snprintf");
344 509d0509 2023-06-23 op listen_on($3, portno);
350 b7967bc1 2021-01-02 op proxy : PROXY { advance_proxy(); }
351 b7967bc1 2021-01-02 op proxy_matches '{' optnl proxy_opts '}' {
352 534afd0d 2022-10-05 op if (*proxy->host == '\0')
353 b7967bc1 2021-01-02 op yyerror("invalid proxy block: missing `relay-to' option");
355 deadd9e1 2023-06-09 op if ((proxy->cert_path == NULL && proxy->key_path != NULL) ||
356 deadd9e1 2023-06-09 op (proxy->cert_path != NULL && proxy->key_path == NULL))
357 b7967bc1 2021-01-02 op yyerror("invalid proxy block: missing cert or key");
361 b7967bc1 2021-01-02 op proxy_matches : /* empty */
362 b7967bc1 2021-01-02 op | proxy_matches proxy_match
365 534afd0d 2022-10-05 op proxy_port : /* empty */ { $$ = 1965; }
366 534afd0d 2022-10-05 op | PORT STRING {
367 534afd0d 2022-10-05 op if (($$ = getservice($2)) == -1)
368 534afd0d 2022-10-05 op yyerror("invalid port number %s", $2);
371 534afd0d 2022-10-05 op | PORT NUM { $$ = $2; }
374 b7967bc1 2021-01-02 op proxy_match : PROTO string {
375 534afd0d 2022-10-05 op (void) strlcpy(proxy->match_proto, $2, sizeof(proxy->match_proto));
378 534afd0d 2022-10-05 op | FOR_HOST string proxy_port {
379 534afd0d 2022-10-05 op (void) strlcpy(proxy->match_host, $2, sizeof(proxy->match_host));
380 534afd0d 2022-10-05 op (void) snprintf(proxy->match_port, sizeof(proxy->match_port),
386 7bdcc91e 2021-01-01 op proxy_opts : /* empty */
387 7bdcc91e 2021-01-01 op | proxy_opts proxy_opt optnl
390 7bdcc91e 2021-01-01 op proxy_opt : CERT string {
391 deadd9e1 2023-06-09 op free(proxy->cert);
392 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
393 deadd9e1 2023-06-09 op proxy->cert_path = $2;
395 7bdcc91e 2021-01-01 op | KEY string {
396 deadd9e1 2023-06-09 op free(proxy->key);
397 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
398 deadd9e1 2023-06-09 op proxy->key_path = $2;
400 c7c8ef44 2021-01-01 op | PROTOCOLS string {
401 b7967bc1 2021-01-02 op if (tls_config_parse_protocols(&proxy->protocols, $2) == -1)
402 c7c8ef44 2021-01-01 op yyerror("invalid protocols string \"%s\"", $2);
405 534afd0d 2022-10-05 op | RELAY_TO string proxy_port {
406 534afd0d 2022-10-05 op (void) strlcpy(proxy->host, $2, sizeof(proxy->host));
407 534afd0d 2022-10-05 op (void) snprintf(proxy->port, sizeof(proxy->port),
411 ba94a608 2022-01-04 op | REQUIRE CLIENT CA string {
412 ba94a608 2022-01-04 op ensure_absolute_path($4);
413 deadd9e1 2023-06-09 op proxy->reqca_path = $4;
415 1cdea97b 2022-01-30 op | SNI string {
416 534afd0d 2022-10-05 op (void) strlcpy(proxy->sni, $2, sizeof(proxy->sni));
419 593e412b 2021-01-01 op | USE_TLS bool {
420 b7967bc1 2021-01-02 op proxy->notls = !$2;
422 5128c0b0 2021-01-01 op | VERIFYNAME bool {
423 b7967bc1 2021-01-02 op proxy->noverifyname = !$2;
427 c74c7030 2021-07-19 op location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {
428 49b73ba1 2021-02-10 op /* drop the starting '/' if any */
429 49b73ba1 2021-02-10 op if (*$3 == '/')
430 49b73ba1 2021-02-10 op memmove($3, $3+1, strlen($3));
431 534afd0d 2022-10-05 op (void) strlcpy(loc->match, $3, sizeof(loc->match));
437 c8b74339 2021-01-24 op locopts : /* empty */
438 c39be742 2021-07-09 op | locopts locopt optnl
441 c74c7030 2021-07-19 op locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }
442 c74c7030 2021-07-19 op | BLOCK RETURN NUM string {
443 534afd0d 2022-10-05 op check_block_fmt($4);
444 534afd0d 2022-10-05 op (void) strlcpy(loc->block_fmt, $4, sizeof(loc->block_fmt));
445 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
448 c74c7030 2021-07-19 op | BLOCK RETURN NUM {
449 534afd0d 2022-10-05 op (void) strlcpy(loc->block_fmt, "temporary failure",
450 534afd0d 2022-10-05 op sizeof(loc->block_fmt));
451 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
452 6abda252 2021-02-06 op if ($3 >= 30 && $3 < 40)
453 6abda252 2021-02-06 op yyerror("missing `meta' for block return %d", $3);
456 534afd0d 2022-10-05 op (void) strlcpy(loc->block_fmt, "temporary failure",
457 534afd0d 2022-10-05 op sizeof(loc->block_fmt));
458 6abda252 2021-02-06 op loc->block_code = 40;
460 c74c7030 2021-07-19 op | DEFAULT TYPE string {
461 534afd0d 2022-10-05 op (void) strlcpy(loc->default_mime, $3,
462 534afd0d 2022-10-05 op sizeof(loc->default_mime));
465 abc8801d 2021-07-19 op | FASTCGI fastcgi
466 c74c7030 2021-07-19 op | INDEX string {
467 534afd0d 2022-10-05 op (void) strlcpy(loc->index, $2, sizeof(loc->index));
470 c74c7030 2021-07-19 op | LANG string {
471 534afd0d 2022-10-05 op (void) strlcpy(loc->lang, $2,
472 534afd0d 2022-10-05 op sizeof(loc->lang));
475 c74c7030 2021-07-19 op | LOG bool { loc->disable_log = !$2; }
476 da2185f3 2021-01-01 op | REQUIRE CLIENT CA string {
477 da2185f3 2021-01-01 op ensure_absolute_path($4);
478 deadd9e1 2023-06-09 op loc->reqca_path = $4;
480 da2185f3 2021-01-01 op | ROOT string {
481 534afd0d 2022-10-05 op (void) strlcpy(loc->dir, $2, sizeof(loc->dir));
484 da2185f3 2021-01-01 op | STRIP NUM { loc->strip = check_strip_no($2); }
487 7b00c890 2022-10-05 op fastcgi : string {
488 7b00c890 2022-10-05 op loc->fcgi = fastcgi_conf($1, NULL);
491 c74c7030 2021-07-19 op | TCP string PORT NUM {
493 762b9b99 2021-07-09 op if (asprintf(&c, "%d", $4) == -1)
494 792f302a 2023-06-09 op fatal("asprintf");
495 7b00c890 2022-10-05 op loc->fcgi = fastcgi_conf($2, c);
498 c74c7030 2021-07-19 op | TCP string {
499 7b00c890 2022-10-05 op loc->fcgi = fastcgi_conf($2, "9000");
502 c74c7030 2021-07-19 op | TCP string PORT string {
503 7b00c890 2022-10-05 op loc->fcgi = fastcgi_conf($2, $4);
509 cd5826b8 2022-09-10 op types : TYPES '{' optnl mediaopts_l '}' ;
511 ee219d70 2022-02-26 op mediaopts_l : mediaopts_l mediaoptsl nl
512 ee219d70 2022-02-26 op | mediaoptsl nl
515 aa9543b9 2022-09-10 op mediaoptsl : STRING {
516 aa9543b9 2022-09-10 op free(current_media);
517 aa9543b9 2022-09-10 op current_media = $1;
518 aa9543b9 2022-09-10 op } medianames_l optsemicolon
522 ee219d70 2022-02-26 op medianames_l : medianames_l medianamesl
523 ee219d70 2022-02-26 op | medianamesl
526 d8d170aa 2022-04-08 op medianamesl : numberstring {
527 af1dab18 2023-06-09 op if (add_mime(&conf->mime, current_media, $1) == -1)
528 792f302a 2023-06-09 op fatal("add_mime");
533 ee219d70 2022-02-26 op nl : '\n' optnl
536 c39be742 2021-07-09 op optnl : '\n' optnl /* zero or more newlines */
537 67f49405 2021-07-09 op | ';' optnl /* semicolons too */
541 ee219d70 2022-02-26 op optsemicolon : ';'
547 e5d82d94 2022-03-19 op static const struct keyword {
548 74f0778b 2021-06-16 op const char *word;
550 74f0778b 2021-06-16 op } keywords[] = {
551 d93c8191 2021-07-09 op /* these MUST be sorted */
552 c74c7030 2021-07-19 op {"alias", ALIAS},
553 c74c7030 2021-07-19 op {"auto", AUTO},
554 c74c7030 2021-07-19 op {"block", BLOCK},
556 c74c7030 2021-07-19 op {"cert", CERT},
557 c74c7030 2021-07-19 op {"chroot", CHROOT},
558 c74c7030 2021-07-19 op {"client", CLIENT},
559 c74c7030 2021-07-19 op {"default", DEFAULT},
560 abc8801d 2021-07-19 op {"fastcgi", FASTCGI},
561 b7967bc1 2021-01-02 op {"for-host", FOR_HOST},
562 88971f9a 2022-02-26 op {"include", INCLUDE},
563 c74c7030 2021-07-19 op {"index", INDEX},
564 c74c7030 2021-07-19 op {"ipv6", IPV6},
565 c74c7030 2021-07-19 op {"key", KEY},
566 c74c7030 2021-07-19 op {"lang", LANG},
567 509d0509 2023-06-23 op {"listen", LISTEN},
568 c74c7030 2021-07-19 op {"location", LOCATION},
569 c74c7030 2021-07-19 op {"log", LOG},
570 ff05125e 2021-10-15 op {"ocsp", OCSP},
571 c74c7030 2021-07-19 op {"off", OFF},
573 c74c7030 2021-07-19 op {"param", PARAM},
574 c74c7030 2021-07-19 op {"port", PORT},
575 c74c7030 2021-07-19 op {"prefork", PREFORK},
576 b7967bc1 2021-01-02 op {"proto", PROTO},
577 c74c7030 2021-07-19 op {"protocols", PROTOCOLS},
578 72b033ef 2021-12-29 op {"proxy", PROXY},
579 72b033ef 2021-12-29 op {"relay-to", RELAY_TO},
580 c74c7030 2021-07-19 op {"require", REQUIRE},
581 c74c7030 2021-07-19 op {"return", RETURN},
582 c74c7030 2021-07-19 op {"root", ROOT},
583 c74c7030 2021-07-19 op {"server", SERVER},
584 1cdea97b 2022-01-30 op {"sni", SNI},
585 c74c7030 2021-07-19 op {"strip", STRIP},
586 c74c7030 2021-07-19 op {"tcp", TCP},
587 c74c7030 2021-07-19 op {"to-ext", TOEXT},
588 c74c7030 2021-07-19 op {"type", TYPE},
589 ee219d70 2022-02-26 op {"types", TYPES},
590 593e412b 2021-01-01 op {"use-tls", USE_TLS},
591 c74c7030 2021-07-19 op {"user", USER},
592 5128c0b0 2021-01-01 op {"verifyname", VERIFYNAME},
596 c39be742 2021-07-09 op yyerror(const char *msg, ...)
600 c39be742 2021-07-09 op file->errors++;
602 c39be742 2021-07-09 op va_start(ap, msg);
603 f3966209 2021-07-13 op fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
604 f3966209 2021-07-13 op vfprintf(stderr, msg, ap);
605 f3966209 2021-07-13 op fprintf(stderr, "\n");
610 f3966209 2021-07-13 op yywarn(const char *msg, ...)
614 f3966209 2021-07-13 op va_start(ap, msg);
615 f3966209 2021-07-13 op fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
616 c39be742 2021-07-09 op vfprintf(stderr, msg, ap);
617 c39be742 2021-07-09 op fprintf(stderr, "\n");
622 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
624 d93c8191 2021-07-09 op return strcmp(k, ((struct keyword *)e)->word);
628 c39be742 2021-07-09 op lookup(char *s)
630 c39be742 2021-07-09 op const struct keyword *p;
632 c39be742 2021-07-09 op p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
633 c39be742 2021-07-09 op sizeof(keywords[0]), kw_cmp);
636 c39be742 2021-07-09 op return p->token;
638 c39be742 2021-07-09 op return STRING;
641 c39be742 2021-07-09 op #define START_EXPAND 1
642 c39be742 2021-07-09 op #define DONE_EXPAND 2
644 c39be742 2021-07-09 op static int expanding;
652 c39be742 2021-07-09 op if (file->ungetpos > 0)
653 c39be742 2021-07-09 op c = file->ungetbuf[--file->ungetpos];
655 c39be742 2021-07-09 op c = getc(file->stream);
657 c39be742 2021-07-09 op if (c == START_EXPAND)
658 c39be742 2021-07-09 op expanding = 1;
659 c39be742 2021-07-09 op else if (c == DONE_EXPAND)
660 c39be742 2021-07-09 op expanding = 0;
668 c39be742 2021-07-09 op lgetc(int quotec)
672 c39be742 2021-07-09 op if (quotec) {
673 c39be742 2021-07-09 op if ((c = igetc()) == EOF) {
674 c39be742 2021-07-09 op yyerror("reached end of file while parsing "
675 c39be742 2021-07-09 op "quoted string");
676 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
678 c39be742 2021-07-09 op return quotec;
683 c39be742 2021-07-09 op while ((c = igetc()) == '\\') {
684 c39be742 2021-07-09 op next = igetc();
685 c39be742 2021-07-09 op if (next != '\n') {
689 c39be742 2021-07-09 op yylval.lineno = file->lineno;
690 c39be742 2021-07-09 op file->lineno++;
693 c39be742 2021-07-09 op if (c == EOF) {
695 c39be742 2021-07-09 op * Fake EOL when hit EOF for the first time. This gets line
696 c39be742 2021-07-09 op * count right if last line in included file is syntactically
697 c39be742 2021-07-09 op * invalid and has no newline.
699 c39be742 2021-07-09 op if (file->eof_reached == 0) {
700 c39be742 2021-07-09 op file->eof_reached = 1;
703 c39be742 2021-07-09 op while (c == EOF) {
704 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
713 c39be742 2021-07-09 op lungetc(int c)
715 c39be742 2021-07-09 op if (c == EOF)
718 c39be742 2021-07-09 op if (file->ungetpos >= file->ungetsize) {
719 c39be742 2021-07-09 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
720 c39be742 2021-07-09 op if (p == NULL)
721 2dd5994a 2023-06-06 op fatal("lungetc");
722 c39be742 2021-07-09 op file->ungetbuf = p;
723 c39be742 2021-07-09 op file->ungetsize *= 2;
725 c39be742 2021-07-09 op file->ungetbuf[file->ungetpos++] = c;
729 c39be742 2021-07-09 op findeol(void)
733 c39be742 2021-07-09 op /* Skip to either EOF or the first real EOL. */
735 c39be742 2021-07-09 op c = lgetc(0);
736 c39be742 2021-07-09 op if (c == '\n') {
737 c39be742 2021-07-09 op file->lineno++;
740 c39be742 2021-07-09 op if (c == EOF)
743 c39be742 2021-07-09 op return ERROR;
749 1bd706dc 2021-07-09 op char buf[8096];
750 1bd706dc 2021-07-09 op char *p, *val;
751 1bd706dc 2021-07-09 op int quotec, next, c;
756 c39be742 2021-07-09 op while ((c = lgetc(0)) == ' ' || c == '\t')
757 c39be742 2021-07-09 op ; /* nothing */
759 c39be742 2021-07-09 op yylval.lineno = file->lineno;
760 c39be742 2021-07-09 op if (c == '#')
761 c39be742 2021-07-09 op while ((c = lgetc(0)) != '\n' && c != EOF)
762 c39be742 2021-07-09 op ; /* nothing */
763 c39be742 2021-07-09 op if (c == '$' && !expanding) {
765 c39be742 2021-07-09 op if ((c = lgetc(0)) == EOF)
767 67f49405 2021-07-09 op if (p + 1 >= buf + sizeof(buf) -1) {
768 67f49405 2021-07-09 op yyerror("string too long");
769 67f49405 2021-07-09 op return findeol();
771 67f49405 2021-07-09 op if (isalnum(c) || c == '_') {
779 67f49405 2021-07-09 op val = symget(buf);
780 67f49405 2021-07-09 op if (val == NULL) {
781 67f49405 2021-07-09 op yyerror("macro `%s' not defined", buf);
782 67f49405 2021-07-09 op return findeol();
784 67f49405 2021-07-09 op yylval.v.string = xstrdup(val);
785 67f49405 2021-07-09 op return STRING;
787 67f49405 2021-07-09 op if (c == '@' && !expanding) {
789 67f49405 2021-07-09 op if ((c = lgetc(0)) == EOF)
792 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
793 c39be742 2021-07-09 op yyerror("string too long");
794 c39be742 2021-07-09 op return findeol();
796 c39be742 2021-07-09 op if (isalnum(c) || c == '_') {
804 c39be742 2021-07-09 op val = symget(buf);
805 c39be742 2021-07-09 op if (val == NULL) {
806 c39be742 2021-07-09 op yyerror("macro '%s' not defined", buf);
807 c39be742 2021-07-09 op return findeol();
809 c39be742 2021-07-09 op p = val + strlen(val) - 1;
810 c39be742 2021-07-09 op lungetc(DONE_EXPAND);
811 c39be742 2021-07-09 op while (p >= val) {
815 c39be742 2021-07-09 op lungetc(START_EXPAND);
824 c39be742 2021-07-09 op if ((c = lgetc(quotec)) == EOF)
826 c39be742 2021-07-09 op if (c == '\n') {
827 c39be742 2021-07-09 op file->lineno++;
829 c39be742 2021-07-09 op } else if (c == '\\') {
830 c39be742 2021-07-09 op if ((next = lgetc(quotec)) == EOF)
832 c39be742 2021-07-09 op if (next == quotec || next == ' ' ||
833 c39be742 2021-07-09 op next == '\t')
835 c39be742 2021-07-09 op else if (next == '\n') {
836 c39be742 2021-07-09 op file->lineno++;
839 c39be742 2021-07-09 op lungetc(next);
840 c39be742 2021-07-09 op } else if (c == quotec) {
843 c39be742 2021-07-09 op } else if (c == '\0') {
844 f3966209 2021-07-13 op yyerror("invalid syntax");
845 c39be742 2021-07-09 op return findeol();
847 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
848 c39be742 2021-07-09 op yyerror("string too long");
849 c39be742 2021-07-09 op return findeol();
853 c39be742 2021-07-09 op yylval.v.string = strdup(buf);
854 c39be742 2021-07-09 op if (yylval.v.string == NULL)
855 2dd5994a 2023-06-06 op fatal("yylex: strdup");
856 c39be742 2021-07-09 op return STRING;
859 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
860 c39be742 2021-07-09 op (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
862 c39be742 2021-07-09 op if (c == '-' || isdigit(c)) {
865 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
866 c39be742 2021-07-09 op yyerror("string too long");
867 c39be742 2021-07-09 op return findeol();
869 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && isdigit(c));
871 c39be742 2021-07-09 op if (p == buf + 1 && buf[0] == '-')
872 c39be742 2021-07-09 op goto nodigits;
873 c39be742 2021-07-09 op if (c == EOF || allowed_to_end_number(c)) {
874 c39be742 2021-07-09 op const char *errstr = NULL;
877 c39be742 2021-07-09 op yylval.v.number = strtonum(buf, LLONG_MIN,
878 c39be742 2021-07-09 op LLONG_MAX, &errstr);
879 c39be742 2021-07-09 op if (errstr) {
880 c39be742 2021-07-09 op yyerror("\"%s\" invalid number: %s",
881 c39be742 2021-07-09 op buf, errstr);
882 c39be742 2021-07-09 op return findeol();
887 c39be742 2021-07-09 op while (p > buf + 1)
888 c39be742 2021-07-09 op lungetc(*--p);
890 c39be742 2021-07-09 op if (c == '-')
895 c39be742 2021-07-09 op #define allowed_in_string(x) \
896 c39be742 2021-07-09 op (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
897 c39be742 2021-07-09 op x != '{' && x != '}' && \
898 c39be742 2021-07-09 op x != '!' && x != '=' && x != '#' && \
899 67f49405 2021-07-09 op x != ',' && x != ';'))
901 67f49405 2021-07-09 op if (isalnum(c) || c == ':' || c == '_') {
904 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
905 c39be742 2021-07-09 op yyerror("string too long");
906 c39be742 2021-07-09 op return findeol();
908 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
911 c39be742 2021-07-09 op if ((token = lookup(buf)) == STRING)
912 c39be742 2021-07-09 op yylval.v.string = xstrdup(buf);
913 c39be742 2021-07-09 op return token;
915 c39be742 2021-07-09 op if (c == '\n') {
916 c39be742 2021-07-09 op yylval.lineno = file->lineno;
917 c39be742 2021-07-09 op file->lineno++;
919 c39be742 2021-07-09 op if (c == EOF)
924 c39be742 2021-07-09 op struct file *
925 c39be742 2021-07-09 op pushfile(const char *name, int secret)
927 c39be742 2021-07-09 op struct file *nfile;
929 c39be742 2021-07-09 op nfile = xcalloc(1, sizeof(*nfile));
930 c39be742 2021-07-09 op nfile->name = xstrdup(name);
931 c39be742 2021-07-09 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
932 eae52ad4 2023-06-06 op log_warn("can't open %s", nfile->name);
933 c39be742 2021-07-09 op free(nfile->name);
937 c39be742 2021-07-09 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
938 c39be742 2021-07-09 op nfile->ungetsize = 16;
939 c39be742 2021-07-09 op nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
940 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&files, nfile, entry);
941 c39be742 2021-07-09 op return nfile;
945 c39be742 2021-07-09 op popfile(void)
947 c39be742 2021-07-09 op struct file *prev;
949 c39be742 2021-07-09 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
950 c39be742 2021-07-09 op prev->errors += file->errors;
952 c39be742 2021-07-09 op TAILQ_REMOVE(&files, file, entry);
953 c39be742 2021-07-09 op fclose(file->stream);
954 c39be742 2021-07-09 op free(file->name);
955 c39be742 2021-07-09 op free(file->ungetbuf);
958 c39be742 2021-07-09 op return file ? 0 : EOF;
962 af1dab18 2023-06-09 op parse_conf(struct conf *c, const char *filename)
964 c39be742 2021-07-09 op struct sym *sym, *next;
966 509d0509 2023-06-23 op default_host = "*";
967 509d0509 2023-06-23 op default_port = 1965;
971 c39be742 2021-07-09 op file = pushfile(filename, 0);
972 c39be742 2021-07-09 op if (file == NULL)
974 c39be742 2021-07-09 op topfile = file;
977 c39be742 2021-07-09 op errors = file->errors;
980 c39be742 2021-07-09 op /* Free macros and check which have not been used. */
981 3b21cca3 2021-06-29 op TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
982 3b21cca3 2021-06-29 op /* TODO: warn if !sym->used */
983 3b21cca3 2021-06-29 op if (!sym->persist) {
984 3b21cca3 2021-06-29 op free(sym->name);
985 3b21cca3 2021-06-29 op free(sym->val);
986 3b21cca3 2021-06-29 op TAILQ_REMOVE(&symhead, sym, entry);
997 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
999 c39be742 2021-07-09 op struct sym *sym;
1001 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
1002 c39be742 2021-07-09 op if (!strcmp(name, sym->name))
1006 c39be742 2021-07-09 op if (sym != NULL) {
1007 c39be742 2021-07-09 op if (sym->persist)
1010 c39be742 2021-07-09 op free(sym->name);
1011 c39be742 2021-07-09 op free(sym->val);
1012 c39be742 2021-07-09 op TAILQ_REMOVE(&symhead, sym, entry);
1017 c39be742 2021-07-09 op sym = xcalloc(1, sizeof(*sym));
1018 c39be742 2021-07-09 op sym->name = xstrdup(name);
1019 c39be742 2021-07-09 op sym->val = xstrdup(val);
1020 c39be742 2021-07-09 op sym->used = 0;
1021 c39be742 2021-07-09 op sym->persist = persist;
1023 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&symhead, sym, entry);
1028 c39be742 2021-07-09 op cmdline_symset(char *s)
1030 c39be742 2021-07-09 op char *sym, *val;
1033 c39be742 2021-07-09 op if ((val = strrchr(s, '=')) == NULL)
1035 c39be742 2021-07-09 op sym = xcalloc(1, val - s + 1);
1036 c39be742 2021-07-09 op memcpy(sym, s, val - s);
1037 c39be742 2021-07-09 op ret = symset(sym, val + 1, 1);
1043 c39be742 2021-07-09 op symget(const char *nam)
1045 c39be742 2021-07-09 op struct sym *sym;
1047 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
1048 c39be742 2021-07-09 op if (strcmp(nam, sym->name) == 0) {
1049 c39be742 2021-07-09 op sym->used = 1;
1050 c39be742 2021-07-09 op return sym->val;
1053 c39be742 2021-07-09 op return NULL;
1057 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
1059 e17642a7 2021-02-01 op if (path == NULL || *path != '/')
1060 adbe6a64 2021-04-30 op yyerror("not an absolute path: %s", path);
1061 e17642a7 2021-02-01 op return path;
1065 6abda252 2021-02-06 op check_block_code(int n)
1067 6abda252 2021-02-06 op if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
1068 6abda252 2021-02-06 op yyerror("invalid block code %d", n);
1073 6abda252 2021-02-06 op check_block_fmt(char *fmt)
1077 6abda252 2021-02-06 op for (s = fmt; *s; ++s) {
1078 6abda252 2021-02-06 op if (*s != '%')
1080 6abda252 2021-02-06 op switch (*++s) {
1088 6abda252 2021-02-06 op yyerror("invalid format specifier %%%c", *s);
1096 6abda252 2021-02-06 op check_strip_no(int n)
1099 6abda252 2021-02-06 op yyerror("invalid strip number %d", n);
1104 391825e3 2021-07-09 op check_port_num(int n)
1106 391825e3 2021-07-09 op if (n <= 0 || n >= UINT16_MAX)
1107 391825e3 2021-07-09 op yyerror("port number is %s: %d",
1108 391825e3 2021-07-09 op n <= 0 ? "too small" : "too large",
1114 a709ddf5 2021-02-07 op check_prefork_num(int n)
1116 c26f2460 2023-06-08 op if (n <= 0 || n >= PROC_MAX_INSTANCES)
1117 a709ddf5 2021-02-07 op yyerror("invalid prefork number %d", n);
1122 49b73ba1 2021-02-10 op advance_loc(void)
1124 b8e64ccd 2021-03-31 op loc = new_location();
1125 b8e64ccd 2021-03-31 op TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1129 b7967bc1 2021-01-02 op advance_proxy(void)
1131 b7967bc1 2021-01-02 op proxy = new_proxy();
1132 b7967bc1 2021-01-02 op TAILQ_INSERT_TAIL(&host->proxies, proxy, proxies);
1136 b7967bc1 2021-01-02 op parsehp(char *str, char **host, const char **port, const char *def)
1139 b7967bc1 2021-01-02 op const char *errstr;
1141 b7967bc1 2021-01-02 op *host = str;
1143 b7967bc1 2021-01-02 op if ((at = strchr(str, ':')) != NULL) {
1144 b7967bc1 2021-01-02 op *at++ = '\0';
1147 b7967bc1 2021-01-02 op *port = def;
1149 b7967bc1 2021-01-02 op strtonum(*port, 1, UINT16_MAX, &errstr);
1150 b7967bc1 2021-01-02 op if (errstr != NULL)
1151 b7967bc1 2021-01-02 op yyerror("port is %s: %s", errstr, *port);
1155 7b00c890 2022-10-05 op fastcgi_conf(const char *path, const char *port)
1157 8ad1c570 2021-05-09 op struct fcgi *f;
1160 af1dab18 2023-06-09 op TAILQ_FOREACH(f, &conf->fcgi, fcgi) {
1161 8ad1c570 2021-05-09 op if (!strcmp(f->path, path) &&
1162 534afd0d 2022-10-05 op ((port == NULL && *f->port == '\0') ||
1163 534afd0d 2022-10-05 op !strcmp(f->port, port)))
1168 5d22294a 2023-06-09 op f = xcalloc(1, sizeof(*f));
1170 5d22294a 2023-06-09 op (void)strlcpy(f->path, path, sizeof(f->path));
1171 5d22294a 2023-06-09 op if (port != NULL)
1172 5d22294a 2023-06-09 op (void)strlcpy(f->port, port, sizeof(f->port));
1173 af1dab18 2023-06-09 op TAILQ_INSERT_TAIL(&conf->fcgi, f, fcgi);
1175 5d22294a 2023-06-09 op return f->id;
1179 2025e96d 2022-09-10 op add_param(char *name, char *val)
1181 c92b802b 2021-06-11 op struct envlist *e;
1182 2025e96d 2022-09-10 op struct envhead *h = &host->params;
1184 c92b802b 2021-06-11 op e = xcalloc(1, sizeof(*e));
1185 534afd0d 2022-10-05 op (void) strlcpy(e->name, name, sizeof(e->name));
1186 534afd0d 2022-10-05 op (void) strlcpy(e->value, val, sizeof(e->value));
1187 edc5ca66 2022-09-10 op TAILQ_INSERT_TAIL(h, e, envs);
1191 534afd0d 2022-10-05 op getservice(const char *n)
1193 534afd0d 2022-10-05 op struct servent *s;
1194 534afd0d 2022-10-05 op const char *errstr;
1195 534afd0d 2022-10-05 op long long llval;
1197 534afd0d 2022-10-05 op llval = strtonum(n, 0, UINT16_MAX, &errstr);
1198 534afd0d 2022-10-05 op if (errstr) {
1199 534afd0d 2022-10-05 op s = getservbyname(n, "tcp");
1200 534afd0d 2022-10-05 op if (s == NULL)
1201 534afd0d 2022-10-05 op s = getservbyname(n, "udp");
1202 534afd0d 2022-10-05 op if (s == NULL)
1203 534afd0d 2022-10-05 op return (-1);
1204 534afd0d 2022-10-05 op return (ntohs(s->s_port));
1207 534afd0d 2022-10-05 op return ((unsigned short)llval);
1211 509d0509 2023-06-23 op add_to_addr_queue(struct addrhead *a, struct addrinfo *ai)
1213 509d0509 2023-06-23 op struct address *addr;
1214 509d0509 2023-06-23 op struct sockaddr_in *sin;
1215 509d0509 2023-06-23 op struct sockaddr_in6 *sin6;
1217 509d0509 2023-06-23 op if (ai->ai_addrlen > sizeof(addr->ss))
1218 509d0509 2023-06-23 op fatalx("ai_addrlen larger than a sockaddr_storage");
1220 509d0509 2023-06-23 op TAILQ_FOREACH(addr, a, addrs) {
1221 509d0509 2023-06-23 op if (addr->ai_flags == ai->ai_flags &&
1222 509d0509 2023-06-23 op addr->ai_family == ai->ai_family &&
1223 509d0509 2023-06-23 op addr->ai_socktype == ai->ai_socktype &&
1224 509d0509 2023-06-23 op addr->ai_protocol == ai->ai_protocol &&
1225 509d0509 2023-06-23 op addr->slen == ai->ai_addrlen &&
1226 509d0509 2023-06-23 op !memcmp(&addr->ss, ai->ai_addr, addr->slen))
1230 509d0509 2023-06-23 op addr = xcalloc(1, sizeof(*addr));
1231 509d0509 2023-06-23 op addr->ai_flags = ai->ai_flags;
1232 509d0509 2023-06-23 op addr->ai_family = ai->ai_family;
1233 509d0509 2023-06-23 op addr->ai_socktype = ai->ai_socktype;
1234 509d0509 2023-06-23 op addr->ai_protocol = ai->ai_protocol;
1235 509d0509 2023-06-23 op addr->slen = ai->ai_addrlen;
1236 509d0509 2023-06-23 op memcpy(&addr->ss, ai->ai_addr, ai->ai_addrlen);
1238 509d0509 2023-06-23 op /* for commodity */
1239 509d0509 2023-06-23 op switch (addr->ai_family) {
1240 509d0509 2023-06-23 op case AF_INET:
1241 509d0509 2023-06-23 op sin = (struct sockaddr_in *)&addr->ss;
1242 509d0509 2023-06-23 op addr->port = ntohs(sin->sin_port);
1244 509d0509 2023-06-23 op case AF_INET6:
1245 509d0509 2023-06-23 op sin6 = (struct sockaddr_in6 *)&addr->ss;
1246 509d0509 2023-06-23 op addr->port = ntohs(sin6->sin6_port);
1249 509d0509 2023-06-23 op fatalx("unknown socket family %d", addr->ai_family);
1252 509d0509 2023-06-23 op addr->sock = -1;
1254 509d0509 2023-06-23 op TAILQ_INSERT_HEAD(a, addr, addrs);
1258 509d0509 2023-06-23 op listen_on(const char *hostname, const char *servname)
1260 509d0509 2023-06-23 op struct addrinfo hints, *res, *res0;
1263 509d0509 2023-06-23 op memset(&hints, 0, sizeof(hints));
1264 509d0509 2023-06-23 op hints.ai_family = AF_UNSPEC;
1265 509d0509 2023-06-23 op hints.ai_socktype = SOCK_STREAM;
1266 509d0509 2023-06-23 op hints.ai_flags = AI_PASSIVE;
1267 509d0509 2023-06-23 op error = getaddrinfo(hostname, servname, &hints, &res0);
1268 509d0509 2023-06-23 op if (error) {
1269 509d0509 2023-06-23 op yyerror("listen on \"%s\" port %s: %s", hostname, servname,
1270 509d0509 2023-06-23 op gai_strerror(errno));
1274 509d0509 2023-06-23 op for (res = res0; res; res = res->ai_next) {
1275 509d0509 2023-06-23 op add_to_addr_queue(&host->addrs, res);
1276 509d0509 2023-06-23 op add_to_addr_queue(&conf->addrs, res);
1279 509d0509 2023-06-23 op freeaddrinfo(res0);