4 15902770 2021-01-15 op * Copyright (c) 2021 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 e17642a7 2021-02-01 op char *ensure_absolute_path(char*);
85 6abda252 2021-02-06 op int check_block_code(int);
86 6abda252 2021-02-06 op char *check_block_fmt(char*);
87 6abda252 2021-02-06 op int check_strip_no(int);
88 391825e3 2021-07-09 op int check_port_num(int);
89 a709ddf5 2021-02-07 op int check_prefork_num(int);
90 49b73ba1 2021-02-10 op void advance_loc(void);
91 c705ecb1 2021-05-03 op void only_once(const void*, const char*);
92 8ad1c570 2021-05-09 op void only_oncei(int, const char*);
93 8ad1c570 2021-05-09 op int fastcgi_conf(char *, char *, char *);
94 c92b802b 2021-06-11 op void add_param(char *, char *, int);
96 c39be742 2021-07-09 op static struct vhost *host;
97 c39be742 2021-07-09 op static struct location *loc;
98 c39be742 2021-07-09 op static int errors;
100 c39be742 2021-07-09 op typedef struct {
102 c39be742 2021-07-09 op char *string;
110 15902770 2021-01-15 op /* for bison: */
111 15902770 2021-01-15 op /* %define parse.error verbose */
113 c74c7030 2021-07-19 op %token ALIAS AUTO
115 c74c7030 2021-07-19 op %token CA CERT CGI CHROOT CLIENT
116 c74c7030 2021-07-19 op %token DEFAULT
117 c74c7030 2021-07-19 op %token ENTRYPOINT ENV
118 abc8801d 2021-07-19 op %token FASTCGI
119 c74c7030 2021-07-19 op %token INCLUDE INDEX IPV6
121 c74c7030 2021-07-19 op %token LANG LOCATION LOG
122 c74c7030 2021-07-19 op %token MAP MIME
123 ff05125e 2021-10-15 op %token OCSP OFF ON
124 72b033ef 2021-12-29 op %token PARAM PORT PREFORK PROTOCOLS PROXY
125 72b033ef 2021-12-29 op %token RELAY_TO REQUIRE RETURN ROOT
126 c74c7030 2021-07-19 op %token SERVER SPAWN STRIP
127 c74c7030 2021-07-19 op %token TCP TOEXT TYPE USER
131 c39be742 2021-07-09 op %token <v.string> STRING
132 c39be742 2021-07-09 op %token <v.number> NUM
134 c39be742 2021-07-09 op %type <v.number> bool
135 c39be742 2021-07-09 op %type <v.string> string
139 6b86655a 2021-06-29 op conf : /* empty */
140 c39be742 2021-07-09 op | conf include '\n'
142 c39be742 2021-07-09 op | conf varset '\n'
143 c39be742 2021-07-09 op | conf option '\n'
144 c39be742 2021-07-09 op | conf vhost '\n'
145 c39be742 2021-07-09 op | conf error '\n' { file->errors++; }
148 c39be742 2021-07-09 op include : INCLUDE STRING {
149 c39be742 2021-07-09 op struct file *nfile;
151 c39be742 2021-07-09 op if ((nfile = pushfile($2, 0)) == NULL) {
152 c39be742 2021-07-09 op yyerror("failed to include file %s", $2);
158 c39be742 2021-07-09 op file = nfile;
159 c39be742 2021-07-09 op lungetc('\n');
163 c74c7030 2021-07-19 op bool : ON { $$ = 1; }
164 c74c7030 2021-07-19 op | OFF { $$ = 0; }
167 c39be742 2021-07-09 op string : string STRING {
168 98f52178 2021-06-29 op if (asprintf(&$$, "%s%s", $1, $2) == -1) {
171 98f52178 2021-06-29 op yyerror("string: asprintf: %s", strerror(errno));
180 c39be742 2021-07-09 op varset : STRING '=' string {
181 3b21cca3 2021-06-29 op char *s = $1;
182 3b21cca3 2021-06-29 op while (*s++) {
183 c39be742 2021-07-09 op if (isspace((unsigned char)*s)) {
184 3b21cca3 2021-06-29 op yyerror("macro name cannot contain "
185 3b21cca3 2021-06-29 op "whitespaces");
191 3b21cca3 2021-06-29 op symset($1, $3, 0);
197 c74c7030 2021-07-19 op option : CHROOT string { conf.chroot = $2; }
198 c74c7030 2021-07-19 op | IPV6 bool { conf.ipv6 = $2; }
199 c74c7030 2021-07-19 op | MIME STRING string {
200 f3966209 2021-07-13 op yywarn("`mime MIME EXT' is deprecated and will be "
201 f3966209 2021-07-13 op "removed in a future version, please use the new "
202 f3966209 2021-07-13 op "syntax: `map MIME to-ext EXT'");
203 d19951cf 2021-07-09 op add_mime(&conf.mime, $2, $3);
205 c74c7030 2021-07-19 op | MAP string TOEXT string { add_mime(&conf.mime, $2, $4); }
206 c74c7030 2021-07-19 op | PORT NUM { conf.port = check_port_num($2); }
207 c74c7030 2021-07-19 op | PREFORK NUM { conf.prefork = check_prefork_num($2); }
208 c74c7030 2021-07-19 op | PROTOCOLS string {
209 5bc3c98e 2021-01-15 op if (tls_config_parse_protocols(&conf.protos, $2) == -1)
210 002a84a1 2021-02-10 op yyerror("invalid protocols string \"%s\"", $2);
212 c74c7030 2021-07-19 op | USER string { conf.user = $2; }
215 c74c7030 2021-07-19 op vhost : SERVER string {
216 b8e64ccd 2021-03-31 op host = new_vhost();
217 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&hosts, host, vhosts);
219 b8e64ccd 2021-03-31 op loc = new_location();
220 b8e64ccd 2021-03-31 op TAILQ_INSERT_HEAD(&host->locations, loc, locations);
222 b8e64ccd 2021-03-31 op loc->match = xstrdup("*");
223 15902770 2021-01-15 op host->domain = $2;
225 cbeee4ca 2021-01-28 op if (strstr($2, "xn--") != NULL) {
226 f3966209 2021-07-13 op yywarn("\"%s\" looks like punycode: you "
227 f3966209 2021-07-13 op "should use the decoded hostname", $2);
229 c39be742 2021-07-09 op } '{' optnl servopts locations '}' {
230 fdea6aa0 2021-04-30 op if (host->cert == NULL || host->key == NULL)
231 002a84a1 2021-02-10 op yyerror("invalid vhost definition: %s", $2);
233 f3966209 2021-07-13 op | error '}' { yyerror("bad server directive"); }
236 15902770 2021-01-15 op servopts : /* empty */
237 c39be742 2021-07-09 op | servopts servopt optnl
240 c74c7030 2021-07-19 op servopt : ALIAS string {
241 cc8c2901 2021-04-29 op struct alist *a;
243 cc8c2901 2021-04-29 op a = xcalloc(1, sizeof(*a));
244 cc8c2901 2021-04-29 op a->alias = $2;
245 cc8c2901 2021-04-29 op if (TAILQ_EMPTY(&host->aliases))
246 cc8c2901 2021-04-29 op TAILQ_INSERT_HEAD(&host->aliases, a, aliases);
248 cc8c2901 2021-04-29 op TAILQ_INSERT_TAIL(&host->aliases, a, aliases);
250 c74c7030 2021-07-19 op | CERT string {
251 c705ecb1 2021-05-03 op only_once(host->cert, "cert");
252 c705ecb1 2021-05-03 op host->cert = ensure_absolute_path($2);
254 c74c7030 2021-07-19 op | CGI string {
255 c705ecb1 2021-05-03 op only_once(host->cgi, "cgi");
256 15902770 2021-01-15 op /* drop the starting '/', if any */
257 709f4c94 2021-02-04 op if (*$2 == '/')
258 709f4c94 2021-02-04 op memmove($2, $2+1, strlen($2));
259 709f4c94 2021-02-04 op host->cgi = $2;
261 c74c7030 2021-07-19 op | ENTRYPOINT string {
262 c705ecb1 2021-05-03 op only_once(host->entrypoint, "entrypoint");
263 e3ddf390 2021-02-06 op while (*$2 == '/')
264 e3ddf390 2021-02-06 op memmove($2, $2+1, strlen($2));
265 e3ddf390 2021-02-06 op host->entrypoint = $2;
267 c74c7030 2021-07-19 op | ENV string '=' string {
268 762b9b99 2021-07-09 op add_param($2, $4, 1);
270 c74c7030 2021-07-19 op | KEY string {
271 c705ecb1 2021-05-03 op only_once(host->key, "key");
272 c705ecb1 2021-05-03 op host->key = ensure_absolute_path($2);
274 ff05125e 2021-10-15 op | OCSP string {
275 ff05125e 2021-10-15 op only_once(host->ocsp, "ocsp");
276 ff05125e 2021-10-15 op host->ocsp = ensure_absolute_path($2);
278 c74c7030 2021-07-19 op | PARAM string '=' string {
279 762b9b99 2021-07-09 op add_param($2, $4, 0);
285 7bdcc91e 2021-01-01 op proxy : PROXY proxy_opt
286 7bdcc91e 2021-01-01 op | PROXY '{' optnl proxy_opts '}'
289 7bdcc91e 2021-01-01 op proxy_opts : /* empty */
290 7bdcc91e 2021-01-01 op | proxy_opts proxy_opt optnl
293 7bdcc91e 2021-01-01 op proxy_opt : CERT string {
294 7bdcc91e 2021-01-01 op struct proxy *p = &host->proxy;
296 7bdcc91e 2021-01-01 op only_once(p->cert, "proxy cert");
297 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
298 7bdcc91e 2021-01-01 op p->cert = tls_load_file($2, &p->certlen, NULL);
299 7bdcc91e 2021-01-01 op if (p->cert == NULL)
300 7bdcc91e 2021-01-01 op yyerror("can't load cert %s", $2);
302 7bdcc91e 2021-01-01 op | KEY string {
303 7bdcc91e 2021-01-01 op struct proxy *p = &host->proxy;
305 7bdcc91e 2021-01-01 op only_once(p->key, "proxy key");
306 7bdcc91e 2021-01-01 op ensure_absolute_path($2);
307 7bdcc91e 2021-01-01 op p->key = tls_load_file($2, &p->keylen, NULL);
308 7bdcc91e 2021-01-01 op if (p->key == NULL)
309 7bdcc91e 2021-01-01 op yyerror("can't load key %s", $2);
311 7bdcc91e 2021-01-01 op | RELAY_TO string {
313 7bdcc91e 2021-01-01 op const char *errstr;
314 7bdcc91e 2021-01-01 op struct proxy *p = &host->proxy;
316 7bdcc91e 2021-01-01 op only_once(p->host, "proxy relay-to");
317 7bdcc91e 2021-01-01 op p->host = $2;
319 7bdcc91e 2021-01-01 op if ((at = strchr($2, ':')) != NULL) {
320 7bdcc91e 2021-01-01 op *at++ = '\0';
321 7bdcc91e 2021-01-01 op p->port = at;
323 7bdcc91e 2021-01-01 op p->port = "1965";
325 7bdcc91e 2021-01-01 op strtonum(p->port, 1, UINT16_MAX, &errstr);
326 7bdcc91e 2021-01-01 op if (errstr != NULL)
327 7bdcc91e 2021-01-01 op yyerror("proxy port is %s: %s", errstr,
332 c8b74339 2021-01-24 op locations : /* empty */
333 c39be742 2021-07-09 op | locations location optnl
336 c74c7030 2021-07-19 op location : LOCATION { advance_loc(); } string '{' optnl locopts '}' {
337 49b73ba1 2021-02-10 op /* drop the starting '/' if any */
338 49b73ba1 2021-02-10 op if (*$3 == '/')
339 49b73ba1 2021-02-10 op memmove($3, $3+1, strlen($3));
340 49b73ba1 2021-02-10 op loc->match = $3;
345 c8b74339 2021-01-24 op locopts : /* empty */
346 c39be742 2021-07-09 op | locopts locopt optnl
349 c74c7030 2021-07-19 op locopt : AUTO INDEX bool { loc->auto_index = $3 ? 1 : -1; }
350 c74c7030 2021-07-19 op | BLOCK RETURN NUM string {
351 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
352 6abda252 2021-02-06 op loc->block_fmt = check_block_fmt($4);
353 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
355 c74c7030 2021-07-19 op | BLOCK RETURN NUM {
356 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
357 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
358 6abda252 2021-02-06 op loc->block_code = check_block_code($3);
359 6abda252 2021-02-06 op if ($3 >= 30 && $3 < 40)
360 6abda252 2021-02-06 op yyerror("missing `meta' for block return %d", $3);
363 c705ecb1 2021-05-03 op only_once(loc->block_fmt, "block");
364 6abda252 2021-02-06 op loc->block_fmt = xstrdup("temporary failure");
365 6abda252 2021-02-06 op loc->block_code = 40;
367 c74c7030 2021-07-19 op | DEFAULT TYPE string {
368 c705ecb1 2021-05-03 op only_once(loc->default_mime, "default type");
369 eb59f87e 2021-02-09 op loc->default_mime = $3;
371 abc8801d 2021-07-19 op | FASTCGI fastcgi
372 c74c7030 2021-07-19 op | INDEX string {
373 c705ecb1 2021-05-03 op only_once(loc->index, "index");
374 eb59f87e 2021-02-09 op loc->index = $2;
376 c74c7030 2021-07-19 op | LANG string {
377 c705ecb1 2021-05-03 op only_once(loc->lang, "lang");
378 eb59f87e 2021-02-09 op loc->lang = $2;
380 c74c7030 2021-07-19 op | LOG bool { loc->disable_log = !$2; }
381 da2185f3 2021-01-01 op | REQUIRE CLIENT CA string {
382 da2185f3 2021-01-01 op only_once(loc->reqca, "require client ca");
383 da2185f3 2021-01-01 op ensure_absolute_path($4);
384 da2185f3 2021-01-01 op if ((loc->reqca = load_ca($4)) == NULL)
385 da2185f3 2021-01-01 op yyerror("couldn't load ca cert: %s", $4);
388 da2185f3 2021-01-01 op | ROOT string {
389 da2185f3 2021-01-01 op only_once(loc->dir, "root");
390 da2185f3 2021-01-01 op loc->dir = ensure_absolute_path($2);
392 da2185f3 2021-01-01 op | STRIP NUM { loc->strip = check_strip_no($2); }
395 c74c7030 2021-07-19 op fastcgi : SPAWN string {
396 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
397 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf(NULL, NULL, $2);
400 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
401 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($1, NULL, NULL);
403 c74c7030 2021-07-19 op | TCP string PORT NUM {
405 762b9b99 2021-07-09 op if (asprintf(&c, "%d", $4) == -1)
406 0d047efc 2021-05-24 op err(1, "asprintf");
407 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
408 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, c, NULL);
410 c74c7030 2021-07-19 op | TCP string {
411 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
412 0d047efc 2021-05-24 op loc->fcgi = fastcgi_conf($2, xstrdup("9000"), NULL);
414 c74c7030 2021-07-19 op | TCP string PORT string {
415 0d047efc 2021-05-24 op only_oncei(loc->fcgi, "fastcgi");
416 762b9b99 2021-07-09 op loc->fcgi = fastcgi_conf($2, $4, NULL);
420 c39be742 2021-07-09 op optnl : '\n' optnl /* zero or more newlines */
421 67f49405 2021-07-09 op | ';' optnl /* semicolons too */
427 74f0778b 2021-06-16 op static struct keyword {
428 74f0778b 2021-06-16 op const char *word;
430 74f0778b 2021-06-16 op } keywords[] = {
431 d93c8191 2021-07-09 op /* these MUST be sorted */
432 c74c7030 2021-07-19 op {"alias", ALIAS},
433 c74c7030 2021-07-19 op {"auto", AUTO},
434 c74c7030 2021-07-19 op {"block", BLOCK},
436 c74c7030 2021-07-19 op {"cert", CERT},
437 c74c7030 2021-07-19 op {"cgi", CGI},
438 c74c7030 2021-07-19 op {"chroot", CHROOT},
439 c74c7030 2021-07-19 op {"client", CLIENT},
440 c74c7030 2021-07-19 op {"default", DEFAULT},
441 c74c7030 2021-07-19 op {"entrypoint", ENTRYPOINT},
442 c74c7030 2021-07-19 op {"env", ENV},
443 abc8801d 2021-07-19 op {"fastcgi", FASTCGI},
444 c74c7030 2021-07-19 op {"index", INDEX},
445 c74c7030 2021-07-19 op {"ipv6", IPV6},
446 c74c7030 2021-07-19 op {"key", KEY},
447 c74c7030 2021-07-19 op {"lang", LANG},
448 c74c7030 2021-07-19 op {"location", LOCATION},
449 c74c7030 2021-07-19 op {"log", LOG},
450 c74c7030 2021-07-19 op {"map", MAP},
451 c74c7030 2021-07-19 op {"mime", MIME},
452 ff05125e 2021-10-15 op {"ocsp", OCSP},
453 c74c7030 2021-07-19 op {"off", OFF},
455 c74c7030 2021-07-19 op {"param", PARAM},
456 c74c7030 2021-07-19 op {"port", PORT},
457 c74c7030 2021-07-19 op {"prefork", PREFORK},
458 c74c7030 2021-07-19 op {"protocols", PROTOCOLS},
459 72b033ef 2021-12-29 op {"proxy", PROXY},
460 72b033ef 2021-12-29 op {"relay-to", RELAY_TO},
461 c74c7030 2021-07-19 op {"require", REQUIRE},
462 c74c7030 2021-07-19 op {"return", RETURN},
463 c74c7030 2021-07-19 op {"root", ROOT},
464 c74c7030 2021-07-19 op {"server", SERVER},
465 c74c7030 2021-07-19 op {"spawn", SPAWN},
466 c74c7030 2021-07-19 op {"strip", STRIP},
467 c74c7030 2021-07-19 op {"tcp", TCP},
468 c74c7030 2021-07-19 op {"to-ext", TOEXT},
469 c74c7030 2021-07-19 op {"type", TYPE},
470 c74c7030 2021-07-19 op {"user", USER},
474 c39be742 2021-07-09 op yyerror(const char *msg, ...)
478 c39be742 2021-07-09 op file->errors++;
480 c39be742 2021-07-09 op va_start(ap, msg);
481 f3966209 2021-07-13 op fprintf(stderr, "%s:%d error: ", config_path, yylval.lineno);
482 f3966209 2021-07-13 op vfprintf(stderr, msg, ap);
483 f3966209 2021-07-13 op fprintf(stderr, "\n");
488 f3966209 2021-07-13 op yywarn(const char *msg, ...)
492 f3966209 2021-07-13 op va_start(ap, msg);
493 f3966209 2021-07-13 op fprintf(stderr, "%s:%d warning: ", config_path, yylval.lineno);
494 c39be742 2021-07-09 op vfprintf(stderr, msg, ap);
495 c39be742 2021-07-09 op fprintf(stderr, "\n");
500 d93c8191 2021-07-09 op kw_cmp(const void *k, const void *e)
502 d93c8191 2021-07-09 op return strcmp(k, ((struct keyword *)e)->word);
506 c39be742 2021-07-09 op lookup(char *s)
508 c39be742 2021-07-09 op const struct keyword *p;
510 c39be742 2021-07-09 op p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
511 c39be742 2021-07-09 op sizeof(keywords[0]), kw_cmp);
514 c39be742 2021-07-09 op return p->token;
516 c39be742 2021-07-09 op return STRING;
519 c39be742 2021-07-09 op #define START_EXPAND 1
520 c39be742 2021-07-09 op #define DONE_EXPAND 2
522 c39be742 2021-07-09 op static int expanding;
530 c39be742 2021-07-09 op if (file->ungetpos > 0)
531 c39be742 2021-07-09 op c = file->ungetbuf[--file->ungetpos];
533 c39be742 2021-07-09 op c = getc(file->stream);
535 c39be742 2021-07-09 op if (c == START_EXPAND)
536 c39be742 2021-07-09 op expanding = 1;
537 c39be742 2021-07-09 op else if (c == DONE_EXPAND)
538 c39be742 2021-07-09 op expanding = 0;
546 c39be742 2021-07-09 op lgetc(int quotec)
550 c39be742 2021-07-09 op if (quotec) {
551 c39be742 2021-07-09 op if ((c = igetc()) == EOF) {
552 c39be742 2021-07-09 op yyerror("reached end of file while parsing "
553 c39be742 2021-07-09 op "quoted string");
554 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
556 c39be742 2021-07-09 op return quotec;
561 c39be742 2021-07-09 op while ((c = igetc()) == '\\') {
562 c39be742 2021-07-09 op next = igetc();
563 c39be742 2021-07-09 op if (next != '\n') {
567 c39be742 2021-07-09 op yylval.lineno = file->lineno;
568 c39be742 2021-07-09 op file->lineno++;
571 c39be742 2021-07-09 op if (c == EOF) {
573 c39be742 2021-07-09 op * Fake EOL when hit EOF for the first time. This gets line
574 c39be742 2021-07-09 op * count right if last line in included file is syntactically
575 c39be742 2021-07-09 op * invalid and has no newline.
577 c39be742 2021-07-09 op if (file->eof_reached == 0) {
578 c39be742 2021-07-09 op file->eof_reached = 1;
581 c39be742 2021-07-09 op while (c == EOF) {
582 c39be742 2021-07-09 op if (file == topfile || popfile() == EOF)
591 c39be742 2021-07-09 op lungetc(int c)
593 c39be742 2021-07-09 op if (c == EOF)
596 c39be742 2021-07-09 op if (file->ungetpos >= file->ungetsize) {
597 c39be742 2021-07-09 op void *p = reallocarray(file->ungetbuf, file->ungetsize, 2);
598 c39be742 2021-07-09 op if (p == NULL)
599 c39be742 2021-07-09 op err(1, "lungetc");
600 c39be742 2021-07-09 op file->ungetbuf = p;
601 c39be742 2021-07-09 op file->ungetsize *= 2;
603 c39be742 2021-07-09 op file->ungetbuf[file->ungetpos++] = c;
607 c39be742 2021-07-09 op findeol(void)
611 c39be742 2021-07-09 op /* Skip to either EOF or the first real EOL. */
613 c39be742 2021-07-09 op c = lgetc(0);
614 c39be742 2021-07-09 op if (c == '\n') {
615 c39be742 2021-07-09 op file->lineno++;
618 c39be742 2021-07-09 op if (c == EOF)
621 c39be742 2021-07-09 op return ERROR;
627 1bd706dc 2021-07-09 op char buf[8096];
628 1bd706dc 2021-07-09 op char *p, *val;
629 1bd706dc 2021-07-09 op int quotec, next, c;
634 c39be742 2021-07-09 op while ((c = lgetc(0)) == ' ' || c == '\t')
635 c39be742 2021-07-09 op ; /* nothing */
637 c39be742 2021-07-09 op yylval.lineno = file->lineno;
638 c39be742 2021-07-09 op if (c == '#')
639 c39be742 2021-07-09 op while ((c = lgetc(0)) != '\n' && c != EOF)
640 c39be742 2021-07-09 op ; /* nothing */
641 c39be742 2021-07-09 op if (c == '$' && !expanding) {
643 c39be742 2021-07-09 op if ((c = lgetc(0)) == EOF)
645 67f49405 2021-07-09 op if (p + 1 >= buf + sizeof(buf) -1) {
646 67f49405 2021-07-09 op yyerror("string too long");
647 67f49405 2021-07-09 op return findeol();
649 67f49405 2021-07-09 op if (isalnum(c) || c == '_') {
657 67f49405 2021-07-09 op val = symget(buf);
658 67f49405 2021-07-09 op if (val == NULL) {
659 67f49405 2021-07-09 op yyerror("macro `%s' not defined", buf);
660 67f49405 2021-07-09 op return findeol();
662 67f49405 2021-07-09 op yylval.v.string = xstrdup(val);
663 67f49405 2021-07-09 op return STRING;
665 67f49405 2021-07-09 op if (c == '@' && !expanding) {
667 67f49405 2021-07-09 op if ((c = lgetc(0)) == EOF)
670 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
671 c39be742 2021-07-09 op yyerror("string too long");
672 c39be742 2021-07-09 op return findeol();
674 c39be742 2021-07-09 op if (isalnum(c) || c == '_') {
682 c39be742 2021-07-09 op val = symget(buf);
683 c39be742 2021-07-09 op if (val == NULL) {
684 c39be742 2021-07-09 op yyerror("macro '%s' not defined", buf);
685 c39be742 2021-07-09 op return findeol();
687 c39be742 2021-07-09 op p = val + strlen(val) - 1;
688 c39be742 2021-07-09 op lungetc(DONE_EXPAND);
689 c39be742 2021-07-09 op while (p >= val) {
693 c39be742 2021-07-09 op lungetc(START_EXPAND);
702 c39be742 2021-07-09 op if ((c = lgetc(quotec)) == EOF)
704 c39be742 2021-07-09 op if (c == '\n') {
705 c39be742 2021-07-09 op file->lineno++;
707 c39be742 2021-07-09 op } else if (c == '\\') {
708 c39be742 2021-07-09 op if ((next = lgetc(quotec)) == EOF)
710 c39be742 2021-07-09 op if (next == quotec || next == ' ' ||
711 c39be742 2021-07-09 op next == '\t')
713 c39be742 2021-07-09 op else if (next == '\n') {
714 c39be742 2021-07-09 op file->lineno++;
717 c39be742 2021-07-09 op lungetc(next);
718 c39be742 2021-07-09 op } else if (c == quotec) {
721 c39be742 2021-07-09 op } else if (c == '\0') {
722 f3966209 2021-07-13 op yyerror("invalid syntax");
723 c39be742 2021-07-09 op return findeol();
725 c39be742 2021-07-09 op if (p + 1 >= buf + sizeof(buf) - 1) {
726 c39be742 2021-07-09 op yyerror("string too long");
727 c39be742 2021-07-09 op return findeol();
731 c39be742 2021-07-09 op yylval.v.string = strdup(buf);
732 c39be742 2021-07-09 op if (yylval.v.string == NULL)
733 c39be742 2021-07-09 op err(1, "yylex: strdup");
734 c39be742 2021-07-09 op return STRING;
737 c39be742 2021-07-09 op #define allowed_to_end_number(x) \
738 c39be742 2021-07-09 op (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
740 c39be742 2021-07-09 op if (c == '-' || isdigit(c)) {
743 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
744 c39be742 2021-07-09 op yyerror("string too long");
745 c39be742 2021-07-09 op return findeol();
747 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && isdigit(c));
749 c39be742 2021-07-09 op if (p == buf + 1 && buf[0] == '-')
750 c39be742 2021-07-09 op goto nodigits;
751 c39be742 2021-07-09 op if (c == EOF || allowed_to_end_number(c)) {
752 c39be742 2021-07-09 op const char *errstr = NULL;
755 c39be742 2021-07-09 op yylval.v.number = strtonum(buf, LLONG_MIN,
756 c39be742 2021-07-09 op LLONG_MAX, &errstr);
757 c39be742 2021-07-09 op if (errstr) {
758 c39be742 2021-07-09 op yyerror("\"%s\" invalid number: %s",
759 c39be742 2021-07-09 op buf, errstr);
760 c39be742 2021-07-09 op return findeol();
765 c39be742 2021-07-09 op while (p > buf + 1)
766 c39be742 2021-07-09 op lungetc(*--p);
768 c39be742 2021-07-09 op if (c == '-')
773 c39be742 2021-07-09 op #define allowed_in_string(x) \
774 c39be742 2021-07-09 op (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
775 c39be742 2021-07-09 op x != '{' && x != '}' && \
776 c39be742 2021-07-09 op x != '!' && x != '=' && x != '#' && \
777 67f49405 2021-07-09 op x != ',' && x != ';'))
779 67f49405 2021-07-09 op if (isalnum(c) || c == ':' || c == '_') {
782 c39be742 2021-07-09 op if ((size_t)(p-buf) >= sizeof(buf)) {
783 c39be742 2021-07-09 op yyerror("string too long");
784 c39be742 2021-07-09 op return findeol();
786 c39be742 2021-07-09 op } while ((c = lgetc(0)) != EOF && (allowed_in_string(c)));
789 c39be742 2021-07-09 op if ((token = lookup(buf)) == STRING)
790 c39be742 2021-07-09 op yylval.v.string = xstrdup(buf);
791 c39be742 2021-07-09 op return token;
793 c39be742 2021-07-09 op if (c == '\n') {
794 c39be742 2021-07-09 op yylval.lineno = file->lineno;
795 c39be742 2021-07-09 op file->lineno++;
797 c39be742 2021-07-09 op if (c == EOF)
802 c39be742 2021-07-09 op struct file *
803 c39be742 2021-07-09 op pushfile(const char *name, int secret)
805 c39be742 2021-07-09 op struct file *nfile;
807 c39be742 2021-07-09 op nfile = xcalloc(1, sizeof(*nfile));
808 c39be742 2021-07-09 op nfile->name = xstrdup(name);
809 c39be742 2021-07-09 op if ((nfile->stream = fopen(nfile->name, "r")) == NULL) {
810 83272dfe 2021-08-23 op log_warn(NULL, "can't open %s: %s", nfile->name,
811 c39be742 2021-07-09 op strerror(errno));
812 c39be742 2021-07-09 op free(nfile->name);
816 c39be742 2021-07-09 op nfile->lineno = TAILQ_EMPTY(&files) ? 1 : 0;
817 c39be742 2021-07-09 op nfile->ungetsize = 16;
818 c39be742 2021-07-09 op nfile->ungetbuf = xcalloc(1, nfile->ungetsize);
819 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&files, nfile, entry);
820 c39be742 2021-07-09 op return nfile;
824 c39be742 2021-07-09 op popfile(void)
826 c39be742 2021-07-09 op struct file *prev;
828 c39be742 2021-07-09 op if ((prev = TAILQ_PREV(file, files, entry)) != NULL)
829 c39be742 2021-07-09 op prev->errors += file->errors;
831 c39be742 2021-07-09 op TAILQ_REMOVE(&files, file, entry);
832 c39be742 2021-07-09 op fclose(file->stream);
833 c39be742 2021-07-09 op free(file->name);
834 c39be742 2021-07-09 op free(file->ungetbuf);
837 c39be742 2021-07-09 op return file ? 0 : EOF;
841 c39be742 2021-07-09 op parse_conf(const char *filename)
843 c39be742 2021-07-09 op struct sym *sym, *next;
845 c39be742 2021-07-09 op file = pushfile(filename, 0);
846 c39be742 2021-07-09 op if (file == NULL)
848 c39be742 2021-07-09 op topfile = file;
851 c39be742 2021-07-09 op errors = file->errors;
854 c39be742 2021-07-09 op /* Free macros and check which have not been used. */
855 3b21cca3 2021-06-29 op TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
856 3b21cca3 2021-06-29 op /* TODO: warn if !sym->used */
857 3b21cca3 2021-06-29 op if (!sym->persist) {
858 3b21cca3 2021-06-29 op free(sym->name);
859 3b21cca3 2021-06-29 op free(sym->val);
860 3b21cca3 2021-06-29 op TAILQ_REMOVE(&symhead, sym, entry);
870 f0a01fc7 2021-10-09 op print_conf(void)
872 f0a01fc7 2021-10-09 op struct vhost *h;
873 f0a01fc7 2021-10-09 op /* struct location *l; */
874 f0a01fc7 2021-10-09 op /* struct envlist *e; */
875 f0a01fc7 2021-10-09 op /* struct alist *a; */
877 f0a01fc7 2021-10-09 op if (conf.chroot != NULL)
878 f0a01fc7 2021-10-09 op printf("chroot \"%s\"\n", conf.chroot);
879 f0a01fc7 2021-10-09 op printf("ipv6 %s\n", conf.ipv6 ? "on" : "off");
880 f0a01fc7 2021-10-09 op /* XXX: defined mimes? */
881 f0a01fc7 2021-10-09 op printf("port %d\n", conf.port);
882 f0a01fc7 2021-10-09 op printf("prefork %d\n", conf.prefork);
883 f0a01fc7 2021-10-09 op /* XXX: protocols? */
884 f0a01fc7 2021-10-09 op if (conf.user != NULL)
885 f0a01fc7 2021-10-09 op printf("user \"%s\"\n", conf.user);
887 f0a01fc7 2021-10-09 op TAILQ_FOREACH(h, &hosts, vhosts) {
888 f0a01fc7 2021-10-09 op printf("\nserver \"%s\" {\n", h->domain);
889 f0a01fc7 2021-10-09 op printf(" cert \"%s\"\n", h->cert);
890 f0a01fc7 2021-10-09 op printf(" key \"%s\"\n", h->key);
891 f0a01fc7 2021-10-09 op /* TODO: print locations... */
892 f0a01fc7 2021-10-09 op printf("}\n");
897 c39be742 2021-07-09 op symset(const char *name, const char *val, int persist)
899 c39be742 2021-07-09 op struct sym *sym;
901 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
902 c39be742 2021-07-09 op if (!strcmp(name, sym->name))
906 c39be742 2021-07-09 op if (sym != NULL) {
907 c39be742 2021-07-09 op if (sym->persist)
910 c39be742 2021-07-09 op free(sym->name);
911 c39be742 2021-07-09 op free(sym->val);
912 c39be742 2021-07-09 op TAILQ_REMOVE(&symhead, sym, entry);
917 c39be742 2021-07-09 op sym = xcalloc(1, sizeof(*sym));
918 c39be742 2021-07-09 op sym->name = xstrdup(name);
919 c39be742 2021-07-09 op sym->val = xstrdup(val);
920 c39be742 2021-07-09 op sym->used = 0;
921 c39be742 2021-07-09 op sym->persist = persist;
923 c39be742 2021-07-09 op TAILQ_INSERT_TAIL(&symhead, sym, entry);
928 c39be742 2021-07-09 op cmdline_symset(char *s)
930 c39be742 2021-07-09 op char *sym, *val;
933 c39be742 2021-07-09 op if ((val = strrchr(s, '=')) == NULL)
935 c39be742 2021-07-09 op sym = xcalloc(1, val - s + 1);
936 c39be742 2021-07-09 op memcpy(sym, s, val - s);
937 c39be742 2021-07-09 op ret = symset(sym, val + 1, 1);
943 c39be742 2021-07-09 op symget(const char *nam)
945 c39be742 2021-07-09 op struct sym *sym;
947 c39be742 2021-07-09 op TAILQ_FOREACH(sym, &symhead, entry) {
948 c39be742 2021-07-09 op if (strcmp(nam, sym->name) == 0) {
949 c39be742 2021-07-09 op sym->used = 1;
950 c39be742 2021-07-09 op return sym->val;
956 c39be742 2021-07-09 op struct vhost *
957 c39be742 2021-07-09 op new_vhost(void)
959 c39be742 2021-07-09 op return xcalloc(1, sizeof(struct vhost));
962 c39be742 2021-07-09 op struct location *
963 c39be742 2021-07-09 op new_location(void)
965 c39be742 2021-07-09 op struct location *l;
967 c39be742 2021-07-09 op l = xcalloc(1, sizeof(*l));
968 c39be742 2021-07-09 op l->dirfd = -1;
969 c39be742 2021-07-09 op l->fcgi = -1;
974 e17642a7 2021-02-01 op ensure_absolute_path(char *path)
976 e17642a7 2021-02-01 op if (path == NULL || *path != '/')
977 adbe6a64 2021-04-30 op yyerror("not an absolute path: %s", path);
982 6abda252 2021-02-06 op check_block_code(int n)
984 6abda252 2021-02-06 op if (n < 10 || n >= 70 || (n >= 20 && n <= 29))
985 6abda252 2021-02-06 op yyerror("invalid block code %d", n);
990 6abda252 2021-02-06 op check_block_fmt(char *fmt)
994 6abda252 2021-02-06 op for (s = fmt; *s; ++s) {
995 6abda252 2021-02-06 op if (*s != '%')
997 6abda252 2021-02-06 op switch (*++s) {
1005 6abda252 2021-02-06 op yyerror("invalid format specifier %%%c", *s);
1013 6abda252 2021-02-06 op check_strip_no(int n)
1016 6abda252 2021-02-06 op yyerror("invalid strip number %d", n);
1021 391825e3 2021-07-09 op check_port_num(int n)
1023 391825e3 2021-07-09 op if (n <= 0 || n >= UINT16_MAX)
1024 391825e3 2021-07-09 op yyerror("port number is %s: %d",
1025 391825e3 2021-07-09 op n <= 0 ? "too small" : "too large",
1031 a709ddf5 2021-02-07 op check_prefork_num(int n)
1033 2c3e53da 2021-03-03 op if (n <= 0 || n >= PROC_MAX)
1034 a709ddf5 2021-02-07 op yyerror("invalid prefork number %d", n);
1039 49b73ba1 2021-02-10 op advance_loc(void)
1041 b8e64ccd 2021-03-31 op loc = new_location();
1042 b8e64ccd 2021-03-31 op TAILQ_INSERT_TAIL(&host->locations, loc, locations);
1046 c705ecb1 2021-05-03 op only_once(const void *ptr, const char *name)
1048 c705ecb1 2021-05-03 op if (ptr != NULL)
1049 c705ecb1 2021-05-03 op yyerror("`%s' specified more than once", name);
1053 8ad1c570 2021-05-09 op only_oncei(int i, const char *name)
1055 8ad1c570 2021-05-09 op if (i != -1)
1056 8ad1c570 2021-05-09 op yyerror("`%s' specified more than once", name);
1060 8ad1c570 2021-05-09 op fastcgi_conf(char *path, char *port, char *prog)
1062 8ad1c570 2021-05-09 op struct fcgi *f;
1065 8ad1c570 2021-05-09 op for (i = 0; i < FCGI_MAX; ++i) {
1066 8ad1c570 2021-05-09 op f = &fcgi[i];
1068 8ad1c570 2021-05-09 op if (f->path == NULL) {
1070 8ad1c570 2021-05-09 op f->path = path;
1071 8ad1c570 2021-05-09 op f->port = port;
1072 8ad1c570 2021-05-09 op f->prog = prog;
1076 8ad1c570 2021-05-09 op /* XXX: what to do with prog? */
1077 8ad1c570 2021-05-09 op if (!strcmp(f->path, path) &&
1078 8ad1c570 2021-05-09 op ((port == NULL && f->port == NULL) ||
1079 8ad1c570 2021-05-09 op !strcmp(f->port, port))) {
1086 8ad1c570 2021-05-09 op yyerror("too much `fastcgi' rules defined.");
1091 c92b802b 2021-06-11 op add_param(char *name, char *val, int env)
1093 c92b802b 2021-06-11 op struct envlist *e;
1094 c92b802b 2021-06-11 op struct envhead *h;
1097 c92b802b 2021-06-11 op h = &host->env;
1099 c92b802b 2021-06-11 op h = &host->params;
1101 c92b802b 2021-06-11 op e = xcalloc(1, sizeof(*e));
1102 c92b802b 2021-06-11 op e->name = name;
1103 c92b802b 2021-06-11 op e->value = val;
1104 c92b802b 2021-06-11 op if (TAILQ_EMPTY(h))
1105 c92b802b 2021-06-11 op TAILQ_INSERT_HEAD(h, e, envs);
1107 c92b802b 2021-06-11 op TAILQ_INSERT_TAIL(h, e, envs);
