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 593e412b 2021-01-01 op | USE_TLS bool {
355 b7967bc1 2021-01-02 op proxy->notls = !$2;
357 5128c0b0 2021-01-01 op | VERIFYNAME bool {
358 b7967bc1 2021-01-02 op proxy->noverifyname = !$2;
362 c74c7030 2021-07-19 op location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {
363 49b73ba1 2021-02-10 op /* drop the starting '/' if any */
364 49b73ba1 2021-02-10 op if (*$3 == '/')
365 49b73ba1 2021-02-10 op memmove($3, $3+1, strlen($3));
366 49b73ba1 2021-02-10 op loc->match = $3;
371 c8b74339 2021-01-24 op locopts : /* empty */
372 c39be742 2021-07-09 op | locopts locopt optnl
375 c74c7030 2021-07-19 op locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }
376 c74c7030 2021-07-19 op | BLOCK RETURN NUM string {
377 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
378 6abda252 2021-02-06 op loc->block_fmt = check_block_fmt($4);
379 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
381 c74c7030 2021-07-19 op | BLOCK RETURN NUM {
382 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
383 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
384 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
385 6abda252 2021-02-06 op if ($3 >= 30 && $3 < 40)
386 6abda252 2021-02-06 op yyerror("missing `meta' for block return %d", $3);
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 = 40;
393 c74c7030 2021-07-19 op | DEFAULT TYPE string {
394 c705ecb1 2021-05-03 op only_once(loc->default_mime, "default type");
395 eb59f87e 2021-02-09 op loc->default_mime = $3;
397 abc8801d 2021-07-19 op | FASTCGI fastcgi
398 c74c7030 2021-07-19 op | INDEX string {
399 c705ecb1 2021-05-03 op only_once(loc->index, "index");
400 eb59f87e 2021-02-09 op loc->index = $2;
402 c74c7030 2021-07-19 op | LANG string {
403 c705ecb1 2021-05-03 op only_once(loc->lang, "lang");
404 eb59f87e 2021-02-09 op loc->lang = $2;
406 c74c7030 2021-07-19 op | LOG bool { loc->disable_log = !$2; }
407 da2185f3 2021-01-01 op | REQUIRE CLIENT CA string {
408 da2185f3 2021-01-01 op only_once(loc->reqca, "require client ca");
409 da2185f3 2021-01-01 op ensure_absolute_path($4);
410 da2185f3 2021-01-01 op if ((loc->reqca = load_ca($4)) == NULL)
411 da2185f3 2021-01-01 op yyerror("couldn't load ca cert: %s", $4);
414 da2185f3 2021-01-01 op | ROOT string {
415 da2185f3 2021-01-01 op only_once(loc->dir, "root");
416 da2185f3 2021-01-01 op loc->dir = ensure_absolute_path($2);
418 da2185f3 2021-01-01 op | STRIP NUM { loc->strip = check_strip_no($2); }
421 c74c7030 2021-07-19 op fastcgi : SPAWN string {
422 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
423 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf(NULL, NULL, $2);
426 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
427 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($1, NULL, NULL);
429 c74c7030 2021-07-19 op | TCP string PORT NUM {
431 762b9b99 2021-07-09 op if (asprintf(&c, "%d", $4) == -1)
432 0d047efc 2021-05-24 op err(1, "asprintf");
433 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
434 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, c, NULL);
436 c74c7030 2021-07-19 op | TCP string {
437 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
438 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, xstrdup("9000"), NULL);
440 c74c7030 2021-07-19 op | TCP string PORT string {
441 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
442 762b9b99 2021-07-09 op loc->fcgi = fastcgi_conf($2, $4, NULL);
446 c39be742 2021-07-09 op optnl : '\n' optnl /* zero or more newlines */
447 67f49405 2021-07-09 op | ';' optnl /* semicolons too */
453 74f0778b 2021-06-16 op static struct keyword {
454 74f0778b 2021-06-16 op const char *word;
456 74f0778b 2021-06-16 op } keywords[] = {
457 d93c8191 2021-07-09 op /* these MUST be sorted */
458 c74c7030 2021-07-19 op {"alias", ALIAS},
459 c74c7030 2021-07-19 op {"auto", AUTO},
460 c74c7030 2021-07-19 op {"block", BLOCK},
462 c74c7030 2021-07-19 op {"cert", CERT},
463 c74c7030 2021-07-19 op {"cgi", CGI},
464 c74c7030 2021-07-19 op {"chroot", CHROOT},
465 c74c7030 2021-07-19 op {"client", CLIENT},
466 c74c7030 2021-07-19 op {"default", DEFAULT},
467 c74c7030 2021-07-19 op {"entrypoint", ENTRYPOINT},
468 c74c7030 2021-07-19 op {"env", ENV},
469 abc8801d 2021-07-19 op {"fastcgi", FASTCGI},
470 b7967bc1 2021-01-02 op {"for-host", FOR_HOST},
471 c74c7030 2021-07-19 op {"index", INDEX},
472 c74c7030 2021-07-19 op {"ipv6", IPV6},
473 c74c7030 2021-07-19 op {"key", KEY},
474 c74c7030 2021-07-19 op {"lang", LANG},
475 c74c7030 2021-07-19 op {"location", LOCATION},
476 c74c7030 2021-07-19 op {"log", LOG},
477 c74c7030 2021-07-19 op {"map", MAP},
478 c74c7030 2021-07-19 op {"mime", MIME},
479 ff05125e 2021-10-15 op {"ocsp", OCSP},
480 c74c7030 2021-07-19 op {"off", OFF},
482 c74c7030 2021-07-19 op {"param", PARAM},
483 c74c7030 2021-07-19 op {"port", PORT},
484 c74c7030 2021-07-19 op {"prefork", PREFORK},
485 b7967bc1 2021-01-02 op {"proto", PROTO},
486 c74c7030 2021-07-19 op {"protocols", PROTOCOLS},
487 72b033ef 2021-12-29 op {"proxy", PROXY},
488 72b033ef 2021-12-29 op {"relay-to", RELAY_TO},
489 c74c7030 2021-07-19 op {"require", REQUIRE},
490 c74c7030 2021-07-19 op {"return", RETURN},
491 c74c7030 2021-07-19 op {"root", ROOT},
492 c74c7030 2021-07-19 op {"server", SERVER},
493 c74c7030 2021-07-19 op {"spawn", SPAWN},
494 c74c7030 2021-07-19 op {"strip", STRIP},
495 c74c7030 2021-07-19 op {"tcp", TCP},
496 c74c7030 2021-07-19 op {"to-ext", TOEXT},
497 c74c7030 2021-07-19 op {"type", TYPE},
498 593e412b 2021-01-01 op {"use-tls", USE_TLS},
499 c74c7030 2021-07-19 op {"user", USER},
500 5128c0b0 2021-01-01 op {"verifyname", VERIFYNAME},
504 c39be742 2021-07-09 op yyerror(const char *msg, ...)
508 c39be742 2021-07-09 op file->errors++;
510 c39be742 2021-07-09 op va_start(ap, msg);
511 f3966209 2021-07-13 op fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
512 f3966209 2021-07-13 op vfprintf(stderr, msg, ap);
513 f3966209 2021-07-13 op fprintf(stderr, "\n");
518 f3966209 2021-07-13 op yywarn(const char *msg, ...)
522 f3966209 2021-07-13 op va_start(ap, msg);
523 f3966209 2021-07-13 op fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
524 c39be742 2021-07-09 op vfprintf(stderr, msg, ap);
525 c39be742 2021-07-09 op fprintf(stderr, "\n");
530 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
532 d93c8191 2021-07-09 op return strcmp(k, ((struct keyword *)e)->word);
536 c39be742 2021-07-09 op lookup(char *s)
538 c39be742 2021-07-09 op const struct keyword *p;
540 c39be742 2021-07-09 op p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
541 c39be742 2021-07-09 op sizeof(keywords[0]), kw_cmp);
544 c39be742 2021-07-09 op return p->token;
546 c39be742 2021-07-09 op return STRING;
549 c39be742 2021-07-09 op #define START_EXPAND 1
550 c39be742 2021-07-09 op #define DONE_EXPAND 2
552 c39be742 2021-07-09 op static int expanding;
560 c39be742 2021-07-09 op if (file->ungetpos > 0)
561 c39be742 2021-07-09 op c = file->ungetbuf[--file->ungetpos];
563 c39be742 2021-07-09 op c = getc(file->stream);
565 c39be742 2021-07-09 op if (c == START_EXPAND)
566 c39be742 2021-07-09 op expanding = 1;
567 c39be742 2021-07-09 op else if (c == DONE_EXPAND)
568 c39be742 2021-07-09 op expanding = 0;
576 c39be742 2021-07-09 op lgetc(int quotec)
580 c39be742 2021-07-09 op if (quotec) {
581 c39be742 2021-07-09 op if ((c = igetc()) == EOF) {
582 c39be742 2021-07-09 op yyerror("reached end of file while parsing "
583 c39be742 2021-07-09 op "quoted string");
584 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
586 c39be742 2021-07-09 op return quotec;
591 c39be742 2021-07-09 op while ((c = igetc()) == '\\') {
592 c39be742 2021-07-09 op next = igetc();
593 c39be742 2021-07-09 op if (next != '\n') {
597 c39be742 2021-07-09 op yylval.lineno = file->lineno;
598 c39be742 2021-07-09 op file->lineno++;
601 c39be742 2021-07-09 op if (c == EOF) {
603 c39be742 2021-07-09 op * Fake EOL when hit EOF for the first time. This gets line
604 c39be742 2021-07-09 op * count right if last line in included file is syntactically
605 c39be742 2021-07-09 op * invalid and has no newline.
607 c39be742 2021-07-09 op if (file->eof_reached == 0) {
608 c39be742 2021-07-09 op file->eof_reached = 1;
611 c39be742 2021-07-09 op while (c == EOF) {
612 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
621 c39be742 2021-07-09 op lungetc(int c)
623 c39be742 2021-07-09 op if (c == EOF)
626 c39be742 2021-07-09 op if (file->ungetpos >= file->ungetsize) {
627 c39be742 2021-07-09 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
628 c39be742 2021-07-09 op if (p == NULL)
629 c39be742 2021-07-09 op err(1, "lungetc");
630 c39be742 2021-07-09 op file->ungetbuf = p;
631 c39be742 2021-07-09 op file->ungetsize *= 2;
633 c39be742 2021-07-09 op file->ungetbuf[file->ungetpos++] = c;
637 c39be742 2021-07-09 op findeol(void)
641 c39be742 2021-07-09 op /* Skip to either EOF or the first real EOL. */
643 c39be742 2021-07-09 op c = lgetc(0);
644 c39be742 2021-07-09 op if (c == '\n') {
645 c39be742 2021-07-09 op file->lineno++;
648 c39be742 2021-07-09 op if (c == EOF)
651 c39be742 2021-07-09 op return ERROR;
657 1bd706dc 2021-07-09 op char buf[8096];
658 1bd706dc 2021-07-09 op char *p, *val;
659 1bd706dc 2021-07-09 op int quotec, next, c;
664 c39be742 2021-07-09 op while ((c = lgetc(0)) == ' ' || c == '\t')
665 c39be742 2021-07-09 op ; /* nothing */
667 c39be742 2021-07-09 op yylval.lineno = file->lineno;
668 c39be742 2021-07-09 op if (c == '#')
669 c39be742 2021-07-09 op while ((c = lgetc(0)) != '\n' && c != EOF)
670 c39be742 2021-07-09 op ; /* nothing */
671 c39be742 2021-07-09 op if (c == '$' && !expanding) {
673 c39be742 2021-07-09 op if ((c = lgetc(0)) == EOF)
675 67f49405 2021-07-09 op if (p + 1 >= buf + sizeof(buf) -1) {
676 67f49405 2021-07-09 op yyerror("string too long");
677 67f49405 2021-07-09 op return findeol();
679 67f49405 2021-07-09 op if (isalnum(c) || c == '_') {
687 67f49405 2021-07-09 op val = symget(buf);
688 67f49405 2021-07-09 op if (val == NULL) {
689 67f49405 2021-07-09 op yyerror("macro `%s' not defined", buf);
690 67f49405 2021-07-09 op return findeol();
692 67f49405 2021-07-09 op yylval.v.string = xstrdup(val);
693 67f49405 2021-07-09 op return STRING;
695 67f49405 2021-07-09 op if (c == '@' && !expanding) {
697 67f49405 2021-07-09 op if ((c = lgetc(0)) == EOF)
700 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
701 c39be742 2021-07-09 op yyerror("string too long");
702 c39be742 2021-07-09 op return findeol();
704 c39be742 2021-07-09 op if (isalnum(c) || c == '_') {
712 c39be742 2021-07-09 op val = symget(buf);
713 c39be742 2021-07-09 op if (val == NULL) {
714 c39be742 2021-07-09 op yyerror("macro '%s' not defined", buf);
715 c39be742 2021-07-09 op return findeol();
717 c39be742 2021-07-09 op p = val + strlen(val) - 1;
718 c39be742 2021-07-09 op lungetc(DONE_EXPAND);
719 c39be742 2021-07-09 op while (p >= val) {
723 c39be742 2021-07-09 op lungetc(START_EXPAND);
732 c39be742 2021-07-09 op if ((c = lgetc(quotec)) == EOF)
734 c39be742 2021-07-09 op if (c == '\n') {
735 c39be742 2021-07-09 op file->lineno++;
737 c39be742 2021-07-09 op } else if (c == '\\') {
738 c39be742 2021-07-09 op if ((next = lgetc(quotec)) == EOF)
740 c39be742 2021-07-09 op if (next == quotec || next == ' ' ||
741 c39be742 2021-07-09 op next == '\t')
743 c39be742 2021-07-09 op else if (next == '\n') {
744 c39be742 2021-07-09 op file->lineno++;
747 c39be742 2021-07-09 op lungetc(next);
748 c39be742 2021-07-09 op } else if (c == quotec) {
751 c39be742 2021-07-09 op } else if (c == '\0') {
752 f3966209 2021-07-13 op yyerror("invalid syntax");
753 c39be742 2021-07-09 op return findeol();
755 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
756 c39be742 2021-07-09 op yyerror("string too long");
757 c39be742 2021-07-09 op return findeol();
761 c39be742 2021-07-09 op yylval.v.string = strdup(buf);
762 c39be742 2021-07-09 op if (yylval.v.string == NULL)
763 c39be742 2021-07-09 op err(1, "yylex: strdup");
764 c39be742 2021-07-09 op return STRING;
767 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
768 c39be742 2021-07-09 op (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
770 c39be742 2021-07-09 op if (c == '-' || isdigit(c)) {
773 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
774 c39be742 2021-07-09 op yyerror("string too long");
775 c39be742 2021-07-09 op return findeol();
777 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && isdigit(c));
779 c39be742 2021-07-09 op if (p == buf + 1 && buf[0] == '-')
780 c39be742 2021-07-09 op goto nodigits;
781 c39be742 2021-07-09 op if (c == EOF || allowed_to_end_number(c)) {
782 c39be742 2021-07-09 op const char *errstr = NULL;
785 c39be742 2021-07-09 op yylval.v.number = strtonum(buf, LLONG_MIN,
786 c39be742 2021-07-09 op LLONG_MAX, &errstr);
787 c39be742 2021-07-09 op if (errstr) {
788 c39be742 2021-07-09 op yyerror("\"%s\" invalid number: %s",
789 c39be742 2021-07-09 op buf, errstr);
790 c39be742 2021-07-09 op return findeol();
795 c39be742 2021-07-09 op while (p > buf + 1)
796 c39be742 2021-07-09 op lungetc(*--p);
798 c39be742 2021-07-09 op if (c == '-')
803 c39be742 2021-07-09 op #define allowed_in_string(x) \
804 c39be742 2021-07-09 op (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
805 c39be742 2021-07-09 op x != '{' && x != '}' && \
806 c39be742 2021-07-09 op x != '!' && x != '=' && x != '#' && \
807 67f49405 2021-07-09 op x != ',' && x != ';'))
809 67f49405 2021-07-09 op if (isalnum(c) || c == ':' || c == '_') {
812 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
813 c39be742 2021-07-09 op yyerror("string too long");
814 c39be742 2021-07-09 op return findeol();
816 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
819 c39be742 2021-07-09 op if ((token = lookup(buf)) == STRING)
820 c39be742 2021-07-09 op yylval.v.string = xstrdup(buf);
821 c39be742 2021-07-09 op return token;
823 c39be742 2021-07-09 op if (c == '\n') {
824 c39be742 2021-07-09 op yylval.lineno = file->lineno;
825 c39be742 2021-07-09 op file->lineno++;
827 c39be742 2021-07-09 op if (c == EOF)
832 c39be742 2021-07-09 op struct file *
833 c39be742 2021-07-09 op pushfile(const char *name, int secret)
835 c39be742 2021-07-09 op struct file *nfile;
837 c39be742 2021-07-09 op nfile = xcalloc(1, sizeof(*nfile));
838 c39be742 2021-07-09 op nfile->name = xstrdup(name);
839 c39be742 2021-07-09 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
840 83272dfe 2021-08-23 op log_warn(NULL, "can't open %s: %s", nfile->name,
841 c39be742 2021-07-09 op strerror(errno));
842 c39be742 2021-07-09 op free(nfile->name);
846 c39be742 2021-07-09 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
847 c39be742 2021-07-09 op nfile->ungetsize = 16;
848 c39be742 2021-07-09 op nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
849 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&files, nfile, entry);
850 c39be742 2021-07-09 op return nfile;
854 c39be742 2021-07-09 op popfile(void)
856 c39be742 2021-07-09 op struct file *prev;
858 c39be742 2021-07-09 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
859 c39be742 2021-07-09 op prev->errors += file->errors;
861 c39be742 2021-07-09 op TAILQ_REMOVE(&files, file, entry);
862 c39be742 2021-07-09 op fclose(file->stream);
863 c39be742 2021-07-09 op free(file->name);
864 c39be742 2021-07-09 op free(file->ungetbuf);
867 c39be742 2021-07-09 op return file ? 0 : EOF;
871 c39be742 2021-07-09 op parse_conf(const char *filename)
873 c39be742 2021-07-09 op struct sym *sym, *next;
875 c39be742 2021-07-09 op file = pushfile(filename, 0);
876 c39be742 2021-07-09 op if (file == NULL)
878 c39be742 2021-07-09 op topfile = file;
881 c39be742 2021-07-09 op errors = file->errors;
884 c39be742 2021-07-09 op /* Free macros and check which have not been used. */
885 3b21cca3 2021-06-29 op TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
886 3b21cca3 2021-06-29 op /* TODO: warn if !sym->used */
887 3b21cca3 2021-06-29 op if (!sym->persist) {
888 3b21cca3 2021-06-29 op free(sym->name);
889 3b21cca3 2021-06-29 op free(sym->val);
890 3b21cca3 2021-06-29 op TAILQ_REMOVE(&symhead, sym, entry);
900 f0a01fc7 2021-10-09 op print_conf(void)
902 f0a01fc7 2021-10-09 op struct vhost *h;
903 f0a01fc7 2021-10-09 op /* struct location *l; */
904 f0a01fc7 2021-10-09 op /* struct envlist *e; */
905 f0a01fc7 2021-10-09 op /* struct alist *a; */
907 f0a01fc7 2021-10-09 op if (conf.chroot != NULL)
908 f0a01fc7 2021-10-09 op printf("chroot \"%s\"\n", conf.chroot);
909 f0a01fc7 2021-10-09 op printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");
910 f0a01fc7 2021-10-09 op /* XXX: defined mimes? */
911 f0a01fc7 2021-10-09 op printf("port %d\n", conf.port);
912 f0a01fc7 2021-10-09 op printf("prefork %d\n", conf.prefork);
913 f0a01fc7 2021-10-09 op /* XXX: protocols? */
914 f0a01fc7 2021-10-09 op if (conf.user != NULL)
915 f0a01fc7 2021-10-09 op printf("user \"%s\"\n", conf.user);
917 f0a01fc7 2021-10-09 op TAILQ_FOREACH(h, &hosts, vhosts) {
918 f0a01fc7 2021-10-09 op printf("\nserver \"%s\" {\n", h->domain);
919 f0a01fc7 2021-10-09 op printf(" cert \"%s\"\n", h->cert);
920 f0a01fc7 2021-10-09 op printf(" key \"%s\"\n", h->key);
921 f0a01fc7 2021-10-09 op /* TODO: print locations... */
922 f0a01fc7 2021-10-09 op printf("}\n");
927 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
929 c39be742 2021-07-09 op struct sym *sym;
931 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
932 c39be742 2021-07-09 op if (!strcmp(name, sym->name))
936 c39be742 2021-07-09 op if (sym != NULL) {
937 c39be742 2021-07-09 op if (sym->persist)
940 c39be742 2021-07-09 op free(sym->name);
941 c39be742 2021-07-09 op free(sym->val);
942 c39be742 2021-07-09 op TAILQ_REMOVE(&symhead, sym, entry);
947 c39be742 2021-07-09 op sym = xcalloc(1, sizeof(*sym));
948 c39be742 2021-07-09 op sym->name = xstrdup(name);
949 c39be742 2021-07-09 op sym->val = xstrdup(val);
950 c39be742 2021-07-09 op sym->used = 0;
951 c39be742 2021-07-09 op sym->persist = persist;
953 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&symhead, sym, entry);
958 c39be742 2021-07-09 op cmdline_symset(char *s)
960 c39be742 2021-07-09 op char *sym, *val;
963 c39be742 2021-07-09 op if ((val = strrchr(s, '=')) == NULL)
965 c39be742 2021-07-09 op sym = xcalloc(1, val - s + 1);
966 c39be742 2021-07-09 op memcpy(sym, s, val - s);
967 c39be742 2021-07-09 op ret = symset(sym, val + 1, 1);
973 c39be742 2021-07-09 op symget(const char *nam)
975 c39be742 2021-07-09 op struct sym *sym;
977 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
978 c39be742 2021-07-09 op if (strcmp(nam, sym->name) == 0) {
979 c39be742 2021-07-09 op sym->used = 1;
980 c39be742 2021-07-09 op return sym->val;
986 c39be742 2021-07-09 op struct vhost *
987 c39be742 2021-07-09 op new_vhost(void)
989 b7967bc1 2021-01-02 op return xcalloc(1, sizeof(struct vhost));
992 c39be742 2021-07-09 op struct location *
993 c39be742 2021-07-09 op new_location(void)
995 c39be742 2021-07-09 op struct location *l;
997 c39be742 2021-07-09 op l = xcalloc(1, sizeof(*l));
998 c39be742 2021-07-09 op l->dirfd = -1;
999 c39be742 2021-07-09 op l->fcgi = -1;
1003 b7967bc1 2021-01-02 op struct proxy *
1004 b7967bc1 2021-01-02 op new_proxy(void)
1006 b7967bc1 2021-01-02 op struct proxy *p;
1008 b7967bc1 2021-01-02 op p = xcalloc(1, sizeof(*p));
1009 b7967bc1 2021-01-02 op p->protocols = TLS_PROTOCOLS_DEFAULT;
1014 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
1016 e17642a7 2021-02-01 op if (path == NULL || *path != '/')
1017 adbe6a64 2021-04-30 op yyerror("not an absolute path: %s", path);
1018 e17642a7 2021-02-01 op return path;
1022 6abda252 2021-02-06 op check_block_code(int n)
1024 6abda252 2021-02-06 op if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
1025 6abda252 2021-02-06 op yyerror("invalid block code %d", n);
1030 6abda252 2021-02-06 op check_block_fmt(char *fmt)
1034 6abda252 2021-02-06 op for (s = fmt; *s; ++s) {
1035 6abda252 2021-02-06 op if (*s != '%')
1037 6abda252 2021-02-06 op switch (*++s) {
1045 6abda252 2021-02-06 op yyerror("invalid format specifier %%%c", *s);
1053 6abda252 2021-02-06 op check_strip_no(int n)
1056 6abda252 2021-02-06 op yyerror("invalid strip number %d", n);
1061 391825e3 2021-07-09 op check_port_num(int n)
1063 391825e3 2021-07-09 op if (n <= 0 || n >= UINT16_MAX)
1064 391825e3 2021-07-09 op yyerror("port number is %s: %d",
1065 391825e3 2021-07-09 op n <= 0 ? "too small" : "too large",
1071 a709ddf5 2021-02-07 op check_prefork_num(int n)
1073 2c3e53da 2021-03-03 op if (n <= 0 || n >= PROC_MAX)
1074 a709ddf5 2021-02-07 op yyerror("invalid prefork number %d", n);
1079 49b73ba1 2021-02-10 op advance_loc(void)
1081 b8e64ccd 2021-03-31 op loc = new_location();
1082 b8e64ccd 2021-03-31 op TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1086 b7967bc1 2021-01-02 op advance_proxy(void)
1088 b7967bc1 2021-01-02 op proxy = new_proxy();
1089 b7967bc1 2021-01-02 op TAILQ_INSERT_TAIL(&host->proxies, proxy, proxies);
1093 b7967bc1 2021-01-02 op parsehp(char *str, char **host, const char **port, const char *def)
1096 b7967bc1 2021-01-02 op const char *errstr;
1098 b7967bc1 2021-01-02 op *host = str;
1100 b7967bc1 2021-01-02 op if ((at = strchr(str, ':')) != NULL) {
1101 b7967bc1 2021-01-02 op *at++ = '\0';
1104 b7967bc1 2021-01-02 op *port = def;
1106 b7967bc1 2021-01-02 op strtonum(*port, 1, UINT16_MAX, &errstr);
1107 b7967bc1 2021-01-02 op if (errstr != NULL)
1108 b7967bc1 2021-01-02 op yyerror("port is %s: %s", errstr, *port);
1112 c705ecb1 2021-05-03 op only_once(const void *ptr, const char *name)
1114 c705ecb1 2021-05-03 op if (ptr != NULL)
1115 c705ecb1 2021-05-03 op yyerror("`%s' specified more than once", name);
1119 8ad1c570 2021-05-09 op only_oncei(int i, const char *name)
1121 8ad1c570 2021-05-09 op if (i != -1)
1122 8ad1c570 2021-05-09 op yyerror("`%s' specified more than once", name);
1126 8ad1c570 2021-05-09 op fastcgi_conf(char *path, char *port, char *prog)
1128 8ad1c570 2021-05-09 op struct fcgi *f;
1131 8ad1c570 2021-05-09 op for (i = 0; i < FCGI_MAX; ++i) {
1132 8ad1c570 2021-05-09 op f = &fcgi[i];
1134 8ad1c570 2021-05-09 op if (f->path == NULL) {
1136 8ad1c570 2021-05-09 op f->path = path;
1137 8ad1c570 2021-05-09 op f->port = port;
1138 8ad1c570 2021-05-09 op f->prog = prog;
1142 8ad1c570 2021-05-09 op /* XXX: what to do with prog? */
1143 8ad1c570 2021-05-09 op if (!strcmp(f->path, path) &&
1144 8ad1c570 2021-05-09 op ((port == NULL && f->port == NULL) ||
1145 8ad1c570 2021-05-09 op !strcmp(f->port, port))) {
1152 8ad1c570 2021-05-09 op yyerror("too much `fastcgi' rules defined.");
1157 c92b802b 2021-06-11 op add_param(char *name, char *val, int env)
1159 c92b802b 2021-06-11 op struct envlist *e;
1160 c92b802b 2021-06-11 op struct envhead *h;
1163 c92b802b 2021-06-11 op h = &host->env;
1165 c92b802b 2021-06-11 op h = &host->params;
1167 c92b802b 2021-06-11 op e = xcalloc(1, sizeof(*e));
1168 c92b802b 2021-06-11 op e->name = name;
1169 c92b802b 2021-06-11 op e->value = val;
1170 c92b802b 2021-06-11 op if (TAILQ_EMPTY(h))
1171 c92b802b 2021-06-11 op TAILQ_INSERT_HEAD(h, e, envs);
1173 c92b802b 2021-06-11 op TAILQ_INSERT_TAIL(h, e, envs);
