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.
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 74f0778b 2021-06-16 op #include <ctype.h>
27 002a84a1 2021-02-10 op #include <errno.h>
28 6abda252 2021-02-06 op #include <stdarg.h>
29 15902770 2021-01-15 op #include <stdio.h>
30 74f0778b 2021-06-16 op #include <stdlib.h>
31 32693ee6 2021-01-28 op #include <string.h>
33 15902770 2021-01-15 op #include "gmid.h"
35 c39be742 2021-07-09 op TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
36 c39be742 2021-07-09 op static struct file {
37 c39be742 2021-07-09 op TAILQ_ENTRY(file) entry;
40 c39be742 2021-07-09 op size_t ungetpos;
41 c39be742 2021-07-09 op size_t ungetsize;
42 c39be742 2021-07-09 op u_char *ungetbuf;
43 c39be742 2021-07-09 op int eof_reached;
46 c39be742 2021-07-09 op } *file, *topfile;
48 c39be742 2021-07-09 op struct file *pushfile(const char *, int);
49 c39be742 2021-07-09 op int popfile(void);
50 c39be742 2021-07-09 op int yyparse(void);
51 c39be742 2021-07-09 op int yylex(void);
52 c39be742 2021-07-09 op void yyerror(const char *, ...)
53 c39be742 2021-07-09 op __attribute__((__format__ (printf, 1, 2)))
54 c39be742 2021-07-09 op __attribute__((__nonnull__ (1)));
55 f3966209 2021-07-13 op void yywarn(const char *, ...)
56 f3966209 2021-07-13 op __attribute__((__format__ (printf, 1, 2)))
57 f3966209 2021-07-13 op __attribute__((__nonnull__ (1)));
58 c39be742 2021-07-09 op int kw_cmp(const void *, const void *);
59 c39be742 2021-07-09 op int lookup(char *);
60 c39be742 2021-07-09 op int igetc(void);
61 c39be742 2021-07-09 op int lgetc(int);
62 c39be742 2021-07-09 op void lungetc(int);
63 c39be742 2021-07-09 op int findeol(void);
66 15902770 2021-01-15 op * #define YYDEBUG 1
67 15902770 2021-01-15 op * int yydebug = 1;
70 3b21cca3 2021-06-29 op TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
72 3b21cca3 2021-06-29 op TAILQ_ENTRY(sym) entry;
79 c39be742 2021-07-09 op int symset(const char *, const char *, int);
80 c39be742 2021-07-09 op char *symget(const char *);
82 c39be742 2021-07-09 op struct vhost *new_vhost(void);
83 c39be742 2021-07-09 op struct location *new_location(void);
84 b7967bc1 2021-01-02 op struct proxy *new_proxy(void);
85 e17642a7 2021-02-01 op char *ensure_absolute_path(char*);
86 6abda252 2021-02-06 op int check_block_code(int);
87 6abda252 2021-02-06 op char *check_block_fmt(char*);
88 6abda252 2021-02-06 op int check_strip_no(int);
89 391825e3 2021-07-09 op int check_port_num(int);
90 a709ddf5 2021-02-07 op int check_prefork_num(int);
91 49b73ba1 2021-02-10 op void advance_loc(void);
92 b7967bc1 2021-01-02 op void advance_proxy(void);
93 b7967bc1 2021-01-02 op void parsehp(char *, char **, const char **, const char *);
94 c705ecb1 2021-05-03 op void only_once(const void*, const char*);
95 8ad1c570 2021-05-09 op void only_oncei(int, const char*);
96 8ad1c570 2021-05-09 op int fastcgi_conf(char *, char *, char *);
97 c92b802b 2021-06-11 op void add_param(char *, char *, int);
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 c39be742 2021-07-09 op static int errors;
104 c39be742 2021-07-09 op typedef struct {
106 c39be742 2021-07-09 op char *string;
114 15902770 2021-01-15 op /* for bison: */
115 15902770 2021-01-15 op /* %define parse.error verbose */
117 c74c7030 2021-07-19 op %token ALIAS AUTO
119 c74c7030 2021-07-19 op %token CA CERT CGI CHROOT CLIENT
120 c74c7030 2021-07-19 op %token DEFAULT
121 c74c7030 2021-07-19 op %token ENTRYPOINT ENV
122 b7967bc1 2021-01-02 op %token FASTCGI FOR_HOST
123 c74c7030 2021-07-19 op %token INCLUDE INDEX IPV6
125 c74c7030 2021-07-19 op %token LANG LOCATION LOG
126 c74c7030 2021-07-19 op %token MAP MIME
127 ff05125e 2021-10-15 op %token OCSP OFF ON
128 b7967bc1 2021-01-02 op %token PARAM PORT PREFORK PROTO PROTOCOLS PROXY
129 72b033ef 2021-12-29 op %token RELAY_TO REQUIRE RETURN ROOT
130 c74c7030 2021-07-19 op %token SERVER SPAWN STRIP
131 294a5727 2021-01-01 op %token TCP TOEXT TYPE
132 593e412b 2021-01-01 op %token USE_TLS USER
133 5128c0b0 2021-01-01 op %token VERIFYNAME
137 c39be742 2021-07-09 op %token <v.string> STRING
138 c39be742 2021-07-09 op %token <v.number> NUM
140 c39be742 2021-07-09 op %type <v.number> bool
141 c39be742 2021-07-09 op %type <v.string> string
145 6b86655a 2021-06-29 op conf : /* empty */
146 c39be742 2021-07-09 op | conf include '\n'
148 c39be742 2021-07-09 op | conf varset '\n'
149 c39be742 2021-07-09 op | conf option '\n'
150 c39be742 2021-07-09 op | conf vhost '\n'
151 c39be742 2021-07-09 op | conf error '\n' { file->errors++; }
154 c39be742 2021-07-09 op include : INCLUDE STRING {
155 c39be742 2021-07-09 op struct file *nfile;
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);
164 c39be742 2021-07-09 op file = nfile;
165 c39be742 2021-07-09 op lungetc('\n');
169 c74c7030 2021-07-19 op bool : ON { $$ = 1; }
170 c74c7030 2021-07-19 op | OFF { $$ = 0; }
173 c39be742 2021-07-09 op string : string STRING {
174 98f52178 2021-06-29 op if (asprintf(&$$, "%s%s", $1, $2) == -1) {
177 98f52178 2021-06-29 op yyerror("string: asprintf: %s", strerror(errno));
186 c39be742 2021-07-09 op varset : STRING '=' string {
187 3b21cca3 2021-06-29 op char *s = $1;
188 3b21cca3 2021-06-29 op while (*s++) {
189 c39be742 2021-07-09 op if (isspace((unsigned char)*s)) {
190 3b21cca3 2021-06-29 op yyerror("macro name cannot contain "
191 3b21cca3 2021-06-29 op "whitespaces");
197 3b21cca3 2021-06-29 op symset($1, $3, 0);
203 c74c7030 2021-07-19 op option : CHROOT string { conf.chroot = $2; }
204 c74c7030 2021-07-19 op | IPV6 bool { conf.ipv6 = $2; }
205 c74c7030 2021-07-19 op | MIME STRING string {
206 f3966209 2021-07-13 op yywarn("`mime MIME EXT' is deprecated and will be "
207 f3966209 2021-07-13 op "removed in a future version, please use the new "
208 f3966209 2021-07-13 op "syntax: `map MIME to-ext EXT'");
209 d19951cf 2021-07-09 op add_mime(&conf.mime, $2, $3);
211 c74c7030 2021-07-19 op | MAP string TOEXT string { add_mime(&conf.mime, $2, $4); }
212 c74c7030 2021-07-19 op | PORT NUM { conf.port = check_port_num($2); }
213 c74c7030 2021-07-19 op | PREFORK NUM { conf.prefork = check_prefork_num($2); }
214 c74c7030 2021-07-19 op | PROTOCOLS string {
215 5bc3c98e 2021-01-15 op if (tls_config_parse_protocols(&conf.protos, $2) == -1)
216 002a84a1 2021-02-10 op yyerror("invalid protocols string \"%s\"", $2);
219 c74c7030 2021-07-19 op | USER string { conf.user = $2; }
222 c74c7030 2021-07-19 op vhost : SERVER string {
223 b8e64ccd 2021-03-31 op host = new_vhost();
224 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&hosts, host, vhosts);
226 b8e64ccd 2021-03-31 op loc = new_location();
227 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&host->locations, loc, locations);
229 b7967bc1 2021-01-02 op TAILQ_INIT(&host->proxies);
231 b8e64ccd 2021-03-31 op loc->match = xstrdup("*");
232 15902770 2021-01-15 op host->domain = $2;
234 cbeee4ca 2021-01-28 op if (strstr($2, "xn--") != NULL) {
235 f3966209 2021-07-13 op yywarn("\"%s\" looks like punycode: you "
236 f3966209 2021-07-13 op "should use the decoded hostname", $2);
238 b7967bc1 2021-01-02 op } '{' optnl servbody '}' {
239 fdea6aa0 2021-04-30 op if (host->cert == NULL || host->key == NULL)
240 002a84a1 2021-02-10 op yyerror("invalid vhost definition: %s", $2);
242 f3966209 2021-07-13 op | error '}' { yyerror("bad server directive"); }
245 b7967bc1 2021-01-02 op servbody : /* empty */
246 b7967bc1 2021-01-02 op | servbody servopt optnl
247 b7967bc1 2021-01-02 op | servbody location optnl
248 b7967bc1 2021-01-02 op | servbody proxy optnl
251 c74c7030 2021-07-19 op servopt : ALIAS string {
252 cc8c2901 2021-04-29 op struct alist *a;
254 cc8c2901 2021-04-29 op a = xcalloc(1, sizeof(*a));
255 cc8c2901 2021-04-29 op a->alias = $2;
256 cc8c2901 2021-04-29 op if (TAILQ_EMPTY(&host->aliases))
257 cc8c2901 2021-04-29 op TAILQ_INSERT_HEAD(&host->aliases, a, aliases);
259 cc8c2901 2021-04-29 op TAILQ_INSERT_TAIL(&host->aliases, a, aliases);
261 c74c7030 2021-07-19 op | CERT string {
262 c705ecb1 2021-05-03 op only_once(host->cert, "cert");
263 c705ecb1 2021-05-03 op host->cert = ensure_absolute_path($2);
265 c74c7030 2021-07-19 op | CGI string {
266 c705ecb1 2021-05-03 op only_once(host->cgi, "cgi");
267 15902770 2021-01-15 op /* drop the starting '/', if any */
268 709f4c94 2021-02-04 op if (*$2 == '/')
269 709f4c94 2021-02-04 op memmove($2, $2+1, strlen($2));
270 709f4c94 2021-02-04 op host->cgi = $2;
272 c74c7030 2021-07-19 op | ENTRYPOINT string {
273 c705ecb1 2021-05-03 op only_once(host->entrypoint, "entrypoint");
274 e3ddf390 2021-02-06 op while (*$2 == '/')
275 e3ddf390 2021-02-06 op memmove($2, $2+1, strlen($2));
276 e3ddf390 2021-02-06 op host->entrypoint = $2;
278 c74c7030 2021-07-19 op | ENV string '=' string {
279 762b9b99 2021-07-09 op add_param($2, $4, 1);
281 c74c7030 2021-07-19 op | KEY string {
282 c705ecb1 2021-05-03 op only_once(host->key, "key");
283 c705ecb1 2021-05-03 op host->key = ensure_absolute_path($2);
285 ff05125e 2021-10-15 op | OCSP string {
286 ff05125e 2021-10-15 op only_once(host->ocsp, "ocsp");
287 ff05125e 2021-10-15 op host->ocsp = ensure_absolute_path($2);
289 c74c7030 2021-07-19 op | PARAM string '=' string {
290 762b9b99 2021-07-09 op add_param($2, $4, 0);
295 b7967bc1 2021-01-02 op proxy : PROXY { advance_proxy(); }
296 b7967bc1 2021-01-02 op proxy_matches '{' optnl proxy_opts '}' {
297 b7967bc1 2021-01-02 op if (proxy->host == NULL)
298 b7967bc1 2021-01-02 op yyerror("invalid proxy block: missing `relay-to' option");
300 b7967bc1 2021-01-02 op if ((proxy->cert == NULL && proxy->key != NULL) ||
301 b7967bc1 2021-01-02 op (proxy->cert != NULL && proxy->key == NULL))
302 b7967bc1 2021-01-02 op yyerror("invalid proxy block: missing cert or key");
306 b7967bc1 2021-01-02 op proxy_matches : /* empty */
307 b7967bc1 2021-01-02 op | proxy_matches proxy_match
310 b7967bc1 2021-01-02 op proxy_match : PROTO string {
311 b7967bc1 2021-01-02 op only_once(proxy->match_proto, "proxy proto");
312 b7967bc1 2021-01-02 op free(proxy->match_proto);
313 b7967bc1 2021-01-02 op proxy->match_proto = $2;
315 b7967bc1 2021-01-02 op | FOR_HOST string {
316 b7967bc1 2021-01-02 op only_once(proxy->match_host, "proxy for-host");
317 b7967bc1 2021-01-02 op free(proxy->match_host);
318 b7967bc1 2021-01-02 op parsehp($2, &proxy->match_host, &proxy->match_port, "10965");
322 7bdcc91e 2021-01-01 op proxy_opts : /* empty */
323 7bdcc91e 2021-01-01 op | proxy_opts proxy_opt optnl
326 7bdcc91e 2021-01-01 op proxy_opt : CERT string {
327 b7967bc1 2021-01-02 op only_once(proxy->cert, "proxy cert");
328 b7967bc1 2021-01-02 op tls_unload_file(proxy->cert, proxy->certlen);
329 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
330 b7967bc1 2021-01-02 op proxy->cert = tls_load_file($2, &proxy->certlen, NULL);
331 b7967bc1 2021-01-02 op if (proxy->cert == NULL)
332 7bdcc91e 2021-01-01 op yyerror("can't load cert %s", $2);
335 7bdcc91e 2021-01-01 op | KEY string {
336 b7967bc1 2021-01-02 op only_once(proxy->key, "proxy key");
337 b7967bc1 2021-01-02 op tls_unload_file(proxy->key, proxy->keylen);
338 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
339 b7967bc1 2021-01-02 op proxy->key = tls_load_file($2, &proxy->keylen, NULL);
340 b7967bc1 2021-01-02 op if (proxy->key == NULL)
341 7bdcc91e 2021-01-01 op yyerror("can't load key %s", $2);
344 c7c8ef44 2021-01-01 op | PROTOCOLS string {
345 b7967bc1 2021-01-02 op if (tls_config_parse_protocols(&proxy->protocols, $2) == -1)
346 c7c8ef44 2021-01-01 op yyerror("invalid protocols string \"%s\"", $2);
349 7bdcc91e 2021-01-01 op | RELAY_TO string {
350 b7967bc1 2021-01-02 op only_once(proxy->host, "proxy relay-to");
351 b7967bc1 2021-01-02 op free(proxy->host);
352 b7967bc1 2021-01-02 op parsehp($2, &proxy->host, &proxy->port, "1965");
354 ba94a608 2022-01-04 op | REQUIRE CLIENT CA string {
355 ba94a608 2022-01-04 op only_once(proxy->reqca, "require client ca");
356 ba94a608 2022-01-04 op ensure_absolute_path($4);
357 ba94a608 2022-01-04 op if ((proxy->reqca = load_ca($4)) == NULL)
358 ba94a608 2022-01-04 op yyerror("couldn't load ca cert: %s", $4);
361 593e412b 2021-01-01 op | USE_TLS bool {
362 b7967bc1 2021-01-02 op proxy->notls = !$2;
364 5128c0b0 2021-01-01 op | VERIFYNAME bool {
365 b7967bc1 2021-01-02 op proxy->noverifyname = !$2;
369 c74c7030 2021-07-19 op location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {
370 49b73ba1 2021-02-10 op /* drop the starting '/' if any */
371 49b73ba1 2021-02-10 op if (*$3 == '/')
372 49b73ba1 2021-02-10 op memmove($3, $3+1, strlen($3));
373 49b73ba1 2021-02-10 op loc->match = $3;
378 c8b74339 2021-01-24 op locopts : /* empty */
379 c39be742 2021-07-09 op | locopts locopt optnl
382 c74c7030 2021-07-19 op locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }
383 c74c7030 2021-07-19 op | BLOCK RETURN NUM string {
384 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
385 6abda252 2021-02-06 op loc->block_fmt = check_block_fmt($4);
386 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
388 c74c7030 2021-07-19 op | BLOCK RETURN NUM {
389 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
390 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
391 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
392 6abda252 2021-02-06 op if ($3 >= 30 && $3 < 40)
393 6abda252 2021-02-06 op yyerror("missing `meta' for block return %d", $3);
396 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
397 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
398 6abda252 2021-02-06 op loc->block_code = 40;
400 c74c7030 2021-07-19 op | DEFAULT TYPE string {
401 c705ecb1 2021-05-03 op only_once(loc->default_mime, "default type");
402 eb59f87e 2021-02-09 op loc->default_mime = $3;
404 abc8801d 2021-07-19 op | FASTCGI fastcgi
405 c74c7030 2021-07-19 op | INDEX string {
406 c705ecb1 2021-05-03 op only_once(loc->index, "index");
407 eb59f87e 2021-02-09 op loc->index = $2;
409 c74c7030 2021-07-19 op | LANG string {
410 c705ecb1 2021-05-03 op only_once(loc->lang, "lang");
411 eb59f87e 2021-02-09 op loc->lang = $2;
413 c74c7030 2021-07-19 op | LOG bool { loc->disable_log = !$2; }
414 da2185f3 2021-01-01 op | REQUIRE CLIENT CA string {
415 da2185f3 2021-01-01 op only_once(loc->reqca, "require client ca");
416 da2185f3 2021-01-01 op ensure_absolute_path($4);
417 da2185f3 2021-01-01 op if ((loc->reqca = load_ca($4)) == NULL)
418 da2185f3 2021-01-01 op yyerror("couldn't load ca cert: %s", $4);
421 da2185f3 2021-01-01 op | ROOT string {
422 da2185f3 2021-01-01 op only_once(loc->dir, "root");
423 da2185f3 2021-01-01 op loc->dir = ensure_absolute_path($2);
425 da2185f3 2021-01-01 op | STRIP NUM { loc->strip = check_strip_no($2); }
428 c74c7030 2021-07-19 op fastcgi : SPAWN string {
429 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
430 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf(NULL, NULL, $2);
433 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
434 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($1, NULL, NULL);
436 c74c7030 2021-07-19 op | TCP string PORT NUM {
438 762b9b99 2021-07-09 op if (asprintf(&c, "%d", $4) == -1)
439 0d047efc 2021-05-24 op err(1, "asprintf");
440 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
441 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, c, NULL);
443 c74c7030 2021-07-19 op | TCP string {
444 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
445 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, xstrdup("9000"), NULL);
447 c74c7030 2021-07-19 op | TCP string PORT string {
448 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
449 762b9b99 2021-07-09 op loc->fcgi = fastcgi_conf($2, $4, NULL);
453 c39be742 2021-07-09 op optnl : '\n' optnl /* zero or more newlines */
454 67f49405 2021-07-09 op | ';' optnl /* semicolons too */
460 74f0778b 2021-06-16 op static struct keyword {
461 74f0778b 2021-06-16 op const char *word;
463 74f0778b 2021-06-16 op } keywords[] = {
464 d93c8191 2021-07-09 op /* these MUST be sorted */
465 c74c7030 2021-07-19 op {"alias", ALIAS},
466 c74c7030 2021-07-19 op {"auto", AUTO},
467 c74c7030 2021-07-19 op {"block", BLOCK},
469 c74c7030 2021-07-19 op {"cert", CERT},
470 c74c7030 2021-07-19 op {"cgi", CGI},
471 c74c7030 2021-07-19 op {"chroot", CHROOT},
472 c74c7030 2021-07-19 op {"client", CLIENT},
473 c74c7030 2021-07-19 op {"default", DEFAULT},
474 c74c7030 2021-07-19 op {"entrypoint", ENTRYPOINT},
475 c74c7030 2021-07-19 op {"env", ENV},
476 abc8801d 2021-07-19 op {"fastcgi", FASTCGI},
477 b7967bc1 2021-01-02 op {"for-host", FOR_HOST},
478 c74c7030 2021-07-19 op {"index", INDEX},
479 c74c7030 2021-07-19 op {"ipv6", IPV6},
480 c74c7030 2021-07-19 op {"key", KEY},
481 c74c7030 2021-07-19 op {"lang", LANG},
482 c74c7030 2021-07-19 op {"location", LOCATION},
483 c74c7030 2021-07-19 op {"log", LOG},
484 c74c7030 2021-07-19 op {"map", MAP},
485 c74c7030 2021-07-19 op {"mime", MIME},
486 ff05125e 2021-10-15 op {"ocsp", OCSP},
487 c74c7030 2021-07-19 op {"off", OFF},
489 c74c7030 2021-07-19 op {"param", PARAM},
490 c74c7030 2021-07-19 op {"port", PORT},
491 c74c7030 2021-07-19 op {"prefork", PREFORK},
492 b7967bc1 2021-01-02 op {"proto", PROTO},
493 c74c7030 2021-07-19 op {"protocols", PROTOCOLS},
494 72b033ef 2021-12-29 op {"proxy", PROXY},
495 72b033ef 2021-12-29 op {"relay-to", RELAY_TO},
496 c74c7030 2021-07-19 op {"require", REQUIRE},
497 c74c7030 2021-07-19 op {"return", RETURN},
498 c74c7030 2021-07-19 op {"root", ROOT},
499 c74c7030 2021-07-19 op {"server", SERVER},
500 c74c7030 2021-07-19 op {"spawn", SPAWN},
501 c74c7030 2021-07-19 op {"strip", STRIP},
502 c74c7030 2021-07-19 op {"tcp", TCP},
503 c74c7030 2021-07-19 op {"to-ext", TOEXT},
504 c74c7030 2021-07-19 op {"type", TYPE},
505 593e412b 2021-01-01 op {"use-tls", USE_TLS},
506 c74c7030 2021-07-19 op {"user", USER},
507 5128c0b0 2021-01-01 op {"verifyname", VERIFYNAME},
511 c39be742 2021-07-09 op yyerror(const char *msg, ...)
515 c39be742 2021-07-09 op file->errors++;
517 c39be742 2021-07-09 op va_start(ap, msg);
518 f3966209 2021-07-13 op fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
519 f3966209 2021-07-13 op vfprintf(stderr, msg, ap);
520 f3966209 2021-07-13 op fprintf(stderr, "\n");
525 f3966209 2021-07-13 op yywarn(const char *msg, ...)
529 f3966209 2021-07-13 op va_start(ap, msg);
530 f3966209 2021-07-13 op fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
531 c39be742 2021-07-09 op vfprintf(stderr, msg, ap);
532 c39be742 2021-07-09 op fprintf(stderr, "\n");
537 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
539 d93c8191 2021-07-09 op return strcmp(k, ((struct keyword *)e)->word);
543 c39be742 2021-07-09 op lookup(char *s)
545 c39be742 2021-07-09 op const struct keyword *p;
547 c39be742 2021-07-09 op p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
548 c39be742 2021-07-09 op sizeof(keywords[0]), kw_cmp);
551 c39be742 2021-07-09 op return p->token;
553 c39be742 2021-07-09 op return STRING;
556 c39be742 2021-07-09 op #define START_EXPAND 1
557 c39be742 2021-07-09 op #define DONE_EXPAND 2
559 c39be742 2021-07-09 op static int expanding;
567 c39be742 2021-07-09 op if (file->ungetpos > 0)
568 c39be742 2021-07-09 op c = file->ungetbuf[--file->ungetpos];
570 c39be742 2021-07-09 op c = getc(file->stream);
572 c39be742 2021-07-09 op if (c == START_EXPAND)
573 c39be742 2021-07-09 op expanding = 1;
574 c39be742 2021-07-09 op else if (c == DONE_EXPAND)
575 c39be742 2021-07-09 op expanding = 0;
583 c39be742 2021-07-09 op lgetc(int quotec)
587 c39be742 2021-07-09 op if (quotec) {
588 c39be742 2021-07-09 op if ((c = igetc()) == EOF) {
589 c39be742 2021-07-09 op yyerror("reached end of file while parsing "
590 c39be742 2021-07-09 op "quoted string");
591 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
593 c39be742 2021-07-09 op return quotec;
598 c39be742 2021-07-09 op while ((c = igetc()) == '\\') {
599 c39be742 2021-07-09 op next = igetc();
600 c39be742 2021-07-09 op if (next != '\n') {
604 c39be742 2021-07-09 op yylval.lineno = file->lineno;
605 c39be742 2021-07-09 op file->lineno++;
608 c39be742 2021-07-09 op if (c == EOF) {
610 c39be742 2021-07-09 op * Fake EOL when hit EOF for the first time. This gets line
611 c39be742 2021-07-09 op * count right if last line in included file is syntactically
612 c39be742 2021-07-09 op * invalid and has no newline.
614 c39be742 2021-07-09 op if (file->eof_reached == 0) {
615 c39be742 2021-07-09 op file->eof_reached = 1;
618 c39be742 2021-07-09 op while (c == EOF) {
619 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
628 c39be742 2021-07-09 op lungetc(int c)
630 c39be742 2021-07-09 op if (c == EOF)
633 c39be742 2021-07-09 op if (file->ungetpos >= file->ungetsize) {
634 c39be742 2021-07-09 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
635 c39be742 2021-07-09 op if (p == NULL)
636 c39be742 2021-07-09 op err(1, "lungetc");
637 c39be742 2021-07-09 op file->ungetbuf = p;
638 c39be742 2021-07-09 op file->ungetsize *= 2;
640 c39be742 2021-07-09 op file->ungetbuf[file->ungetpos++] = c;
644 c39be742 2021-07-09 op findeol(void)
648 c39be742 2021-07-09 op /* Skip to either EOF or the first real EOL. */
650 c39be742 2021-07-09 op c = lgetc(0);
651 c39be742 2021-07-09 op if (c == '\n') {
652 c39be742 2021-07-09 op file->lineno++;
655 c39be742 2021-07-09 op if (c == EOF)
658 c39be742 2021-07-09 op return ERROR;
664 1bd706dc 2021-07-09 op char buf[8096];
665 1bd706dc 2021-07-09 op char *p, *val;
666 1bd706dc 2021-07-09 op int quotec, next, c;
671 c39be742 2021-07-09 op while ((c = lgetc(0)) == ' ' || c == '\t')
672 c39be742 2021-07-09 op ; /* nothing */
674 c39be742 2021-07-09 op yylval.lineno = file->lineno;
675 c39be742 2021-07-09 op if (c == '#')
676 c39be742 2021-07-09 op while ((c = lgetc(0)) != '\n' && c != EOF)
677 c39be742 2021-07-09 op ; /* nothing */
678 c39be742 2021-07-09 op if (c == '$' && !expanding) {
680 c39be742 2021-07-09 op if ((c = lgetc(0)) == EOF)
682 67f49405 2021-07-09 op if (p + 1 >= buf + sizeof(buf) -1) {
683 67f49405 2021-07-09 op yyerror("string too long");
684 67f49405 2021-07-09 op return findeol();
686 67f49405 2021-07-09 op if (isalnum(c) || c == '_') {
694 67f49405 2021-07-09 op val = symget(buf);
695 67f49405 2021-07-09 op if (val == NULL) {
696 67f49405 2021-07-09 op yyerror("macro `%s' not defined", buf);
697 67f49405 2021-07-09 op return findeol();
699 67f49405 2021-07-09 op yylval.v.string = xstrdup(val);
700 67f49405 2021-07-09 op return STRING;
702 67f49405 2021-07-09 op if (c == '@' && !expanding) {
704 67f49405 2021-07-09 op if ((c = lgetc(0)) == EOF)
707 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
708 c39be742 2021-07-09 op yyerror("string too long");
709 c39be742 2021-07-09 op return findeol();
711 c39be742 2021-07-09 op if (isalnum(c) || c == '_') {
719 c39be742 2021-07-09 op val = symget(buf);
720 c39be742 2021-07-09 op if (val == NULL) {
721 c39be742 2021-07-09 op yyerror("macro '%s' not defined", buf);
722 c39be742 2021-07-09 op return findeol();
724 c39be742 2021-07-09 op p = val + strlen(val) - 1;
725 c39be742 2021-07-09 op lungetc(DONE_EXPAND);
726 c39be742 2021-07-09 op while (p >= val) {
730 c39be742 2021-07-09 op lungetc(START_EXPAND);
739 c39be742 2021-07-09 op if ((c = lgetc(quotec)) == EOF)
741 c39be742 2021-07-09 op if (c == '\n') {
742 c39be742 2021-07-09 op file->lineno++;
744 c39be742 2021-07-09 op } else if (c == '\\') {
745 c39be742 2021-07-09 op if ((next = lgetc(quotec)) == EOF)
747 c39be742 2021-07-09 op if (next == quotec || next == ' ' ||
748 c39be742 2021-07-09 op next == '\t')
750 c39be742 2021-07-09 op else if (next == '\n') {
751 c39be742 2021-07-09 op file->lineno++;
754 c39be742 2021-07-09 op lungetc(next);
755 c39be742 2021-07-09 op } else if (c == quotec) {
758 c39be742 2021-07-09 op } else if (c == '\0') {
759 f3966209 2021-07-13 op yyerror("invalid syntax");
760 c39be742 2021-07-09 op return findeol();
762 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
763 c39be742 2021-07-09 op yyerror("string too long");
764 c39be742 2021-07-09 op return findeol();
768 c39be742 2021-07-09 op yylval.v.string = strdup(buf);
769 c39be742 2021-07-09 op if (yylval.v.string == NULL)
770 c39be742 2021-07-09 op err(1, "yylex: strdup");
771 c39be742 2021-07-09 op return STRING;
774 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
775 c39be742 2021-07-09 op (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
777 c39be742 2021-07-09 op if (c == '-' || isdigit(c)) {
780 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
781 c39be742 2021-07-09 op yyerror("string too long");
782 c39be742 2021-07-09 op return findeol();
784 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && isdigit(c));
786 c39be742 2021-07-09 op if (p == buf + 1 && buf[0] == '-')
787 c39be742 2021-07-09 op goto nodigits;
788 c39be742 2021-07-09 op if (c == EOF || allowed_to_end_number(c)) {
789 c39be742 2021-07-09 op const char *errstr = NULL;
792 c39be742 2021-07-09 op yylval.v.number = strtonum(buf, LLONG_MIN,
793 c39be742 2021-07-09 op LLONG_MAX, &errstr);
794 c39be742 2021-07-09 op if (errstr) {
795 c39be742 2021-07-09 op yyerror("\"%s\" invalid number: %s",
796 c39be742 2021-07-09 op buf, errstr);
797 c39be742 2021-07-09 op return findeol();
802 c39be742 2021-07-09 op while (p > buf + 1)
803 c39be742 2021-07-09 op lungetc(*--p);
805 c39be742 2021-07-09 op if (c == '-')
810 c39be742 2021-07-09 op #define allowed_in_string(x) \
811 c39be742 2021-07-09 op (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
812 c39be742 2021-07-09 op x != '{' && x != '}' && \
813 c39be742 2021-07-09 op x != '!' && x != '=' && x != '#' && \
814 67f49405 2021-07-09 op x != ',' && x != ';'))
816 67f49405 2021-07-09 op if (isalnum(c) || c == ':' || c == '_') {
819 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
820 c39be742 2021-07-09 op yyerror("string too long");
821 c39be742 2021-07-09 op return findeol();
823 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
826 c39be742 2021-07-09 op if ((token = lookup(buf)) == STRING)
827 c39be742 2021-07-09 op yylval.v.string = xstrdup(buf);
828 c39be742 2021-07-09 op return token;
830 c39be742 2021-07-09 op if (c == '\n') {
831 c39be742 2021-07-09 op yylval.lineno = file->lineno;
832 c39be742 2021-07-09 op file->lineno++;
834 c39be742 2021-07-09 op if (c == EOF)
839 c39be742 2021-07-09 op struct file *
840 c39be742 2021-07-09 op pushfile(const char *name, int secret)
842 c39be742 2021-07-09 op struct file *nfile;
844 c39be742 2021-07-09 op nfile = xcalloc(1, sizeof(*nfile));
845 c39be742 2021-07-09 op nfile->name = xstrdup(name);
846 c39be742 2021-07-09 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
847 83272dfe 2021-08-23 op log_warn(NULL, "can't open %s: %s", nfile->name,
848 c39be742 2021-07-09 op strerror(errno));
849 c39be742 2021-07-09 op free(nfile->name);
853 c39be742 2021-07-09 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
854 c39be742 2021-07-09 op nfile->ungetsize = 16;
855 c39be742 2021-07-09 op nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
856 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&files, nfile, entry);
857 c39be742 2021-07-09 op return nfile;
861 c39be742 2021-07-09 op popfile(void)
863 c39be742 2021-07-09 op struct file *prev;
865 c39be742 2021-07-09 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
866 c39be742 2021-07-09 op prev->errors += file->errors;
868 c39be742 2021-07-09 op TAILQ_REMOVE(&files, file, entry);
869 c39be742 2021-07-09 op fclose(file->stream);
870 c39be742 2021-07-09 op free(file->name);
871 c39be742 2021-07-09 op free(file->ungetbuf);
874 c39be742 2021-07-09 op return file ? 0 : EOF;
878 c39be742 2021-07-09 op parse_conf(const char *filename)
880 c39be742 2021-07-09 op struct sym *sym, *next;
882 c39be742 2021-07-09 op file = pushfile(filename, 0);
883 c39be742 2021-07-09 op if (file == NULL)
885 c39be742 2021-07-09 op topfile = file;
888 c39be742 2021-07-09 op errors = file->errors;
891 c39be742 2021-07-09 op /* Free macros and check which have not been used. */
892 3b21cca3 2021-06-29 op TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
893 3b21cca3 2021-06-29 op /* TODO: warn if !sym->used */
894 3b21cca3 2021-06-29 op if (!sym->persist) {
895 3b21cca3 2021-06-29 op free(sym->name);
896 3b21cca3 2021-06-29 op free(sym->val);
897 3b21cca3 2021-06-29 op TAILQ_REMOVE(&symhead, sym, entry);
907 f0a01fc7 2021-10-09 op print_conf(void)
909 f0a01fc7 2021-10-09 op struct vhost *h;
910 f0a01fc7 2021-10-09 op /* struct location *l; */
911 f0a01fc7 2021-10-09 op /* struct envlist *e; */
912 f0a01fc7 2021-10-09 op /* struct alist *a; */
914 f0a01fc7 2021-10-09 op if (conf.chroot != NULL)
915 f0a01fc7 2021-10-09 op printf("chroot \"%s\"\n", conf.chroot);
916 f0a01fc7 2021-10-09 op printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");
917 f0a01fc7 2021-10-09 op /* XXX: defined mimes? */
918 f0a01fc7 2021-10-09 op printf("port %d\n", conf.port);
919 f0a01fc7 2021-10-09 op printf("prefork %d\n", conf.prefork);
920 f0a01fc7 2021-10-09 op /* XXX: protocols? */
921 f0a01fc7 2021-10-09 op if (conf.user != NULL)
922 f0a01fc7 2021-10-09 op printf("user \"%s\"\n", conf.user);
924 f0a01fc7 2021-10-09 op TAILQ_FOREACH(h, &hosts, vhosts) {
925 f0a01fc7 2021-10-09 op printf("\nserver \"%s\" {\n", h->domain);
926 f0a01fc7 2021-10-09 op printf(" cert \"%s\"\n", h->cert);
927 f0a01fc7 2021-10-09 op printf(" key \"%s\"\n", h->key);
928 f0a01fc7 2021-10-09 op /* TODO: print locations... */
929 f0a01fc7 2021-10-09 op printf("}\n");
934 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
936 c39be742 2021-07-09 op struct sym *sym;
938 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
939 c39be742 2021-07-09 op if (!strcmp(name, sym->name))
943 c39be742 2021-07-09 op if (sym != NULL) {
944 c39be742 2021-07-09 op if (sym->persist)
947 c39be742 2021-07-09 op free(sym->name);
948 c39be742 2021-07-09 op free(sym->val);
949 c39be742 2021-07-09 op TAILQ_REMOVE(&symhead, sym, entry);
954 c39be742 2021-07-09 op sym = xcalloc(1, sizeof(*sym));
955 c39be742 2021-07-09 op sym->name = xstrdup(name);
956 c39be742 2021-07-09 op sym->val = xstrdup(val);
957 c39be742 2021-07-09 op sym->used = 0;
958 c39be742 2021-07-09 op sym->persist = persist;
960 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&symhead, sym, entry);
965 c39be742 2021-07-09 op cmdline_symset(char *s)
967 c39be742 2021-07-09 op char *sym, *val;
970 c39be742 2021-07-09 op if ((val = strrchr(s, '=')) == NULL)
972 c39be742 2021-07-09 op sym = xcalloc(1, val - s + 1);
973 c39be742 2021-07-09 op memcpy(sym, s, val - s);
974 c39be742 2021-07-09 op ret = symset(sym, val + 1, 1);
980 c39be742 2021-07-09 op symget(const char *nam)
982 c39be742 2021-07-09 op struct sym *sym;
984 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
985 c39be742 2021-07-09 op if (strcmp(nam, sym->name) == 0) {
986 c39be742 2021-07-09 op sym->used = 1;
987 c39be742 2021-07-09 op return sym->val;
993 c39be742 2021-07-09 op struct vhost *
994 c39be742 2021-07-09 op new_vhost(void)
996 b7967bc1 2021-01-02 op return xcalloc(1, sizeof(struct vhost));
999 c39be742 2021-07-09 op struct location *
1000 c39be742 2021-07-09 op new_location(void)
1002 c39be742 2021-07-09 op struct location *l;
1004 c39be742 2021-07-09 op l = xcalloc(1, sizeof(*l));
1005 c39be742 2021-07-09 op l->dirfd = -1;
1006 c39be742 2021-07-09 op l->fcgi = -1;
1010 b7967bc1 2021-01-02 op struct proxy *
1011 b7967bc1 2021-01-02 op new_proxy(void)
1013 b7967bc1 2021-01-02 op struct proxy *p;
1015 b7967bc1 2021-01-02 op p = xcalloc(1, sizeof(*p));
1016 b7967bc1 2021-01-02 op p->protocols = TLS_PROTOCOLS_DEFAULT;
1021 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
1023 e17642a7 2021-02-01 op if (path == NULL || *path != '/')
1024 adbe6a64 2021-04-30 op yyerror("not an absolute path: %s", path);
1025 e17642a7 2021-02-01 op return path;
1029 6abda252 2021-02-06 op check_block_code(int n)
1031 6abda252 2021-02-06 op if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
1032 6abda252 2021-02-06 op yyerror("invalid block code %d", n);
1037 6abda252 2021-02-06 op check_block_fmt(char *fmt)
1041 6abda252 2021-02-06 op for (s = fmt; *s; ++s) {
1042 6abda252 2021-02-06 op if (*s != '%')
1044 6abda252 2021-02-06 op switch (*++s) {
1052 6abda252 2021-02-06 op yyerror("invalid format specifier %%%c", *s);
1060 6abda252 2021-02-06 op check_strip_no(int n)
1063 6abda252 2021-02-06 op yyerror("invalid strip number %d", n);
1068 391825e3 2021-07-09 op check_port_num(int n)
1070 391825e3 2021-07-09 op if (n <= 0 || n >= UINT16_MAX)
1071 391825e3 2021-07-09 op yyerror("port number is %s: %d",
1072 391825e3 2021-07-09 op n <= 0 ? "too small" : "too large",
1078 a709ddf5 2021-02-07 op check_prefork_num(int n)
1080 2c3e53da 2021-03-03 op if (n <= 0 || n >= PROC_MAX)
1081 a709ddf5 2021-02-07 op yyerror("invalid prefork number %d", n);
1086 49b73ba1 2021-02-10 op advance_loc(void)
1088 b8e64ccd 2021-03-31 op loc = new_location();
1089 b8e64ccd 2021-03-31 op TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1093 b7967bc1 2021-01-02 op advance_proxy(void)
1095 b7967bc1 2021-01-02 op proxy = new_proxy();
1096 b7967bc1 2021-01-02 op TAILQ_INSERT_TAIL(&host->proxies, proxy, proxies);
1100 b7967bc1 2021-01-02 op parsehp(char *str, char **host, const char **port, const char *def)
1103 b7967bc1 2021-01-02 op const char *errstr;
1105 b7967bc1 2021-01-02 op *host = str;
1107 b7967bc1 2021-01-02 op if ((at = strchr(str, ':')) != NULL) {
1108 b7967bc1 2021-01-02 op *at++ = '\0';
1111 b7967bc1 2021-01-02 op *port = def;
1113 b7967bc1 2021-01-02 op strtonum(*port, 1, UINT16_MAX, &errstr);
1114 b7967bc1 2021-01-02 op if (errstr != NULL)
1115 b7967bc1 2021-01-02 op yyerror("port is %s: %s", errstr, *port);
1119 c705ecb1 2021-05-03 op only_once(const void *ptr, const char *name)
1121 c705ecb1 2021-05-03 op if (ptr != NULL)
1122 c705ecb1 2021-05-03 op yyerror("`%s' specified more than once", name);
1126 8ad1c570 2021-05-09 op only_oncei(int i, const char *name)
1128 8ad1c570 2021-05-09 op if (i != -1)
1129 8ad1c570 2021-05-09 op yyerror("`%s' specified more than once", name);
1133 8ad1c570 2021-05-09 op fastcgi_conf(char *path, char *port, char *prog)
1135 8ad1c570 2021-05-09 op struct fcgi *f;
1138 8ad1c570 2021-05-09 op for (i = 0; i < FCGI_MAX; ++i) {
1139 8ad1c570 2021-05-09 op f = &fcgi[i];
1141 8ad1c570 2021-05-09 op if (f->path == NULL) {
1143 8ad1c570 2021-05-09 op f->path = path;
1144 8ad1c570 2021-05-09 op f->port = port;
1145 8ad1c570 2021-05-09 op f->prog = prog;
1149 8ad1c570 2021-05-09 op /* XXX: what to do with prog? */
1150 8ad1c570 2021-05-09 op if (!strcmp(f->path, path) &&
1151 8ad1c570 2021-05-09 op ((port == NULL && f->port == NULL) ||
1152 8ad1c570 2021-05-09 op !strcmp(f->port, port))) {
1159 8ad1c570 2021-05-09 op yyerror("too much `fastcgi' rules defined.");
1164 c92b802b 2021-06-11 op add_param(char *name, char *val, int env)
1166 c92b802b 2021-06-11 op struct envlist *e;
1167 c92b802b 2021-06-11 op struct envhead *h;
1170 c92b802b 2021-06-11 op h = &host->env;
1172 c92b802b 2021-06-11 op h = &host->params;
1174 c92b802b 2021-06-11 op e = xcalloc(1, sizeof(*e));
1175 c92b802b 2021-06-11 op e->name = name;
1176 c92b802b 2021-06-11 op e->value = val;
1177 c92b802b 2021-06-11 op if (TAILQ_EMPTY(h))
1178 c92b802b 2021-06-11 op TAILQ_INSERT_HEAD(h, e, envs);
1180 c92b802b 2021-06-11 op TAILQ_INSERT_TAIL(h, e, envs);