2 a596b957 2022-07-14 tracey * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
3 a596b957 2022-07-14 tracey * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
4 a596b957 2022-07-14 tracey * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
5 a596b957 2022-07-14 tracey * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
6 a596b957 2022-07-14 tracey * Copyright (c) 2001 Markus Friedl. All rights reserved.
7 a596b957 2022-07-14 tracey * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
8 a596b957 2022-07-14 tracey * Copyright (c) 2001 Theo de Raadt. All rights reserved.
10 a596b957 2022-07-14 tracey * Permission to use, copy, modify, and distribute this software for any
11 a596b957 2022-07-14 tracey * purpose with or without fee is hereby granted, provided that the above
12 a596b957 2022-07-14 tracey * copyright notice and this permission notice appear in all copies.
14 a596b957 2022-07-14 tracey * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 a596b957 2022-07-14 tracey * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 a596b957 2022-07-14 tracey * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 a596b957 2022-07-14 tracey * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 a596b957 2022-07-14 tracey * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 a596b957 2022-07-14 tracey * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 a596b957 2022-07-14 tracey * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 a596b957 2022-07-14 tracey #include <sys/ioctl.h>
25 a596b957 2022-07-14 tracey #include <sys/types.h>
26 a596b957 2022-07-14 tracey #include <sys/queue.h>
27 a596b957 2022-07-14 tracey #include <sys/socket.h>
28 a596b957 2022-07-14 tracey #include <sys/stat.h>
30 a596b957 2022-07-14 tracey #include <net/if.h>
31 a596b957 2022-07-14 tracey #include <netinet/in.h>
33 a596b957 2022-07-14 tracey #include <arpa/inet.h>
35 a596b957 2022-07-14 tracey #include <ctype.h>
36 a596b957 2022-07-14 tracey #include <err.h>
37 a596b957 2022-07-14 tracey #include <errno.h>
38 a596b957 2022-07-14 tracey #include <event.h>
39 a596b957 2022-07-14 tracey #include <ifaddrs.h>
40 a596b957 2022-07-14 tracey #include <imsg.h>
41 a596b957 2022-07-14 tracey #include <limits.h>
42 a596b957 2022-07-14 tracey #include <netdb.h>
43 a596b957 2022-07-14 tracey #include <stdarg.h>
44 a596b957 2022-07-14 tracey #include <stdlib.h>
45 a596b957 2022-07-14 tracey #include <stdio.h>
46 a596b957 2022-07-14 tracey #include <string.h>
47 a596b957 2022-07-14 tracey #include <syslog.h>
48 a596b957 2022-07-14 tracey #include <unistd.h>
50 a596b957 2022-07-14 tracey #include "proc.h"
51 a596b957 2022-07-14 tracey #include "gotwebd.h"
52 86b4b772 2022-07-29 stsp #include "got_sockaddr.h"
54 a596b957 2022-07-14 tracey TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
55 a596b957 2022-07-14 tracey static struct file {
56 a596b957 2022-07-14 tracey TAILQ_ENTRY(file) entry;
57 a596b957 2022-07-14 tracey FILE *stream;
58 a596b957 2022-07-14 tracey char *name;
59 a596b957 2022-07-14 tracey int lineno;
60 a596b957 2022-07-14 tracey int errors;
62 a596b957 2022-07-14 tracey struct file *newfile(const char *, int);
63 a596b957 2022-07-14 tracey static void closefile(struct file *);
64 a596b957 2022-07-14 tracey int check_file_secrecy(int, const char *);
65 a596b957 2022-07-14 tracey int yyparse(void);
66 a596b957 2022-07-14 tracey int yylex(void);
67 a596b957 2022-07-14 tracey int yyerror(const char *, ...)
68 a596b957 2022-07-14 tracey __attribute__((__format__ (printf, 1, 2)))
69 a596b957 2022-07-14 tracey __attribute__((__nonnull__ (1)));
70 a596b957 2022-07-14 tracey int kw_cmp(const void *, const void *);
71 a596b957 2022-07-14 tracey int lookup(char *);
72 a596b957 2022-07-14 tracey int lgetc(int);
73 a596b957 2022-07-14 tracey int lungetc(int);
74 a596b957 2022-07-14 tracey int findeol(void);
76 a596b957 2022-07-14 tracey TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
77 a596b957 2022-07-14 tracey struct sym {
78 a596b957 2022-07-14 tracey TAILQ_ENTRY(sym) entry;
80 a596b957 2022-07-14 tracey int persist;
81 a596b957 2022-07-14 tracey char *nam;
82 a596b957 2022-07-14 tracey char *val;
85 a596b957 2022-07-14 tracey int symset(const char *, const char *, int);
86 a596b957 2022-07-14 tracey char *symget(const char *);
88 a596b957 2022-07-14 tracey static int errors;
90 a596b957 2022-07-14 tracey static struct gotwebd *gotwebd;
91 a596b957 2022-07-14 tracey static struct server *new_srv;
92 a596b957 2022-07-14 tracey static struct server *conf_new_server(const char *);
93 a596b957 2022-07-14 tracey int getservice(const char *);
96 67d8de2a 2022-08-29 stsp int get_addrs(const char *, struct server *, in_port_t);
97 67d8de2a 2022-08-29 stsp int addr_dup_check(struct addresslist *, struct address *,
98 67d8de2a 2022-08-29 stsp const char *, const char *);
99 67d8de2a 2022-08-29 stsp int add_addr(struct server *, struct address *);
100 a596b957 2022-07-14 tracey struct address *host_v4(const char *);
101 a596b957 2022-07-14 tracey struct address *host_v6(const char *);
102 67d8de2a 2022-08-29 stsp int host_dns(const char *, struct server *,
103 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
104 67d8de2a 2022-08-29 stsp int host_if(const char *, struct server *,
105 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
106 67d8de2a 2022-08-29 stsp int host(const char *, struct server *,
107 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
108 a596b957 2022-07-14 tracey int is_if_in_group(const char *, const char *);
110 a596b957 2022-07-14 tracey typedef struct {
112 a596b957 2022-07-14 tracey long long number;
113 a596b957 2022-07-14 tracey char *string;
114 a596b957 2022-07-14 tracey in_port_t port;
116 a596b957 2022-07-14 tracey int lineno;
117 a596b957 2022-07-14 tracey } YYSTYPE;
121 d8473d93 2022-08-11 stsp %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
122 a596b957 2022-07-14 tracey %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
123 a596b957 2022-07-14 tracey %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
124 d5996b9e 2022-10-31 landry %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
125 3a1c1a1b 2023-01-04 op %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
127 a596b957 2022-07-14 tracey %token <v.string> STRING
128 a596b957 2022-07-14 tracey %type <v.port> fcgiport
129 a596b957 2022-07-14 tracey %token <v.number> NUMBER
130 a596b957 2022-07-14 tracey %type <v.number> boolean
134 47b307cd 2022-10-02 op grammar : /* empty */
135 a596b957 2022-07-14 tracey | grammar '\n'
136 47b307cd 2022-10-02 op | grammar varset '\n'
137 a596b957 2022-07-14 tracey | grammar main '\n'
138 a596b957 2022-07-14 tracey | grammar server '\n'
139 47b307cd 2022-10-02 op | grammar error '\n' { file->errors++; }
142 47b307cd 2022-10-02 op varset : STRING '=' STRING {
143 47b307cd 2022-10-02 op char *s = $1;
144 47b307cd 2022-10-02 op while (*s++) {
145 47b307cd 2022-10-02 op if (isspace((unsigned char)*s)) {
146 47b307cd 2022-10-02 op yyerror("macro name cannot contain "
147 47b307cd 2022-10-02 op "whitespace");
153 47b307cd 2022-10-02 op if (symset($1, $3, 0) == -1)
154 47b307cd 2022-10-02 op fatal("cannot store variable");
160 a596b957 2022-07-14 tracey boolean : STRING {
161 a596b957 2022-07-14 tracey if (strcasecmp($1, "1") == 0 ||
162 a596b957 2022-07-14 tracey strcasecmp($1, "yes") == 0 ||
163 a596b957 2022-07-14 tracey strcasecmp($1, "on") == 0)
165 a596b957 2022-07-14 tracey else if (strcasecmp($1, "0") == 0 ||
166 a596b957 2022-07-14 tracey strcasecmp($1, "off") == 0 ||
167 a596b957 2022-07-14 tracey strcasecmp($1, "no") == 0)
170 a596b957 2022-07-14 tracey yyerror("invalid boolean value '%s'", $1);
171 a596b957 2022-07-14 tracey free($1);
174 a596b957 2022-07-14 tracey free($1);
176 a596b957 2022-07-14 tracey | ON { $$ = 1; }
177 a596b957 2022-07-14 tracey | NUMBER { $$ = $1; }
180 17132eaa 2022-08-29 stsp fcgiport : PORT NUMBER {
181 17132eaa 2022-08-29 stsp if ($2 <= 0 || $2 > (int)USHRT_MAX) {
182 17132eaa 2022-08-29 stsp yyerror("invalid port: %lld", $2);
187 17132eaa 2022-08-29 stsp | PORT STRING {
190 17132eaa 2022-08-29 stsp if ((val = getservice($2)) == -1) {
191 17132eaa 2022-08-29 stsp yyerror("invalid port: %s", $2);
197 a596b957 2022-07-14 tracey $$ = val;
201 a596b957 2022-07-14 tracey main : PREFORK NUMBER {
202 a596b957 2022-07-14 tracey gotwebd->prefork_gotwebd = $2;
204 a596b957 2022-07-14 tracey | CHROOT STRING {
205 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->httpd_chroot, $2,
206 a596b957 2022-07-14 tracey sizeof(gotwebd->httpd_chroot));
207 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->httpd_chroot)) {
208 a596b957 2022-07-14 tracey yyerror("%s: httpd_chroot truncated", __func__);
209 a596b957 2022-07-14 tracey free($2);
212 a596b957 2022-07-14 tracey free($2);
214 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
215 a596b957 2022-07-14 tracey gotwebd->unix_socket = $2;
217 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
218 a596b957 2022-07-14 tracey n = snprintf(gotwebd->unix_socket_name,
219 a596b957 2022-07-14 tracey sizeof(gotwebd->unix_socket_name), "%s%s",
220 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
221 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
223 438d0cc3 2022-08-16 op (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
224 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
225 a596b957 2022-07-14 tracey __func__);
226 a596b957 2022-07-14 tracey free($2);
229 a596b957 2022-07-14 tracey free($2);
233 a596b957 2022-07-14 tracey server : SERVER STRING {
234 a596b957 2022-07-14 tracey struct server *srv;
236 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
237 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
238 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
239 a596b957 2022-07-14 tracey free($2);
244 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
245 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
246 a596b957 2022-07-14 tracey free($2);
248 a596b957 2022-07-14 tracey | SERVER STRING {
249 a596b957 2022-07-14 tracey struct server *srv;
251 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
252 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
253 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
254 a596b957 2022-07-14 tracey free($2);
259 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
260 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
261 a596b957 2022-07-14 tracey free($2);
262 a596b957 2022-07-14 tracey } '{' optnl serveropts2 '}' {
266 a596b957 2022-07-14 tracey serveropts1 : REPOS_PATH STRING {
267 a596b957 2022-07-14 tracey n = strlcpy(new_srv->repos_path, $2,
268 a596b957 2022-07-14 tracey sizeof(new_srv->repos_path));
269 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->repos_path)) {
270 a596b957 2022-07-14 tracey yyerror("%s: repos_path truncated", __func__);
271 a596b957 2022-07-14 tracey free($2);
274 a596b957 2022-07-14 tracey free($2);
276 a596b957 2022-07-14 tracey | SITE_NAME STRING {
277 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_name, $2,
278 a596b957 2022-07-14 tracey sizeof(new_srv->site_name));
279 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_name)) {
280 a596b957 2022-07-14 tracey yyerror("%s: site_name truncated", __func__);
281 a596b957 2022-07-14 tracey free($2);
284 a596b957 2022-07-14 tracey free($2);
286 a596b957 2022-07-14 tracey | SITE_OWNER STRING {
287 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_owner, $2,
288 a596b957 2022-07-14 tracey sizeof(new_srv->site_owner));
289 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_owner)) {
290 a596b957 2022-07-14 tracey yyerror("%s: site_owner truncated", __func__);
291 a596b957 2022-07-14 tracey free($2);
294 a596b957 2022-07-14 tracey free($2);
296 a596b957 2022-07-14 tracey | SITE_LINK STRING {
297 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_link, $2,
298 a596b957 2022-07-14 tracey sizeof(new_srv->site_link));
299 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_link)) {
300 a596b957 2022-07-14 tracey yyerror("%s: site_link truncated", __func__);
301 a596b957 2022-07-14 tracey free($2);
304 a596b957 2022-07-14 tracey free($2);
306 a596b957 2022-07-14 tracey | LOGO STRING {
307 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
308 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo)) {
309 a596b957 2022-07-14 tracey yyerror("%s: logo truncated", __func__);
310 a596b957 2022-07-14 tracey free($2);
313 a596b957 2022-07-14 tracey free($2);
315 a596b957 2022-07-14 tracey | LOGO_URL STRING {
316 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo_url, $2,
317 a596b957 2022-07-14 tracey sizeof(new_srv->logo_url));
318 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo_url)) {
319 a596b957 2022-07-14 tracey yyerror("%s: logo_url truncated", __func__);
320 a596b957 2022-07-14 tracey free($2);
323 a596b957 2022-07-14 tracey free($2);
325 a596b957 2022-07-14 tracey | CUSTOM_CSS STRING {
326 a596b957 2022-07-14 tracey n = strlcpy(new_srv->custom_css, $2,
327 a596b957 2022-07-14 tracey sizeof(new_srv->custom_css));
328 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->custom_css)) {
329 a596b957 2022-07-14 tracey yyerror("%s: custom_css truncated", __func__);
330 a596b957 2022-07-14 tracey free($2);
333 a596b957 2022-07-14 tracey free($2);
335 17132eaa 2022-08-29 stsp | LISTEN ON STRING fcgiport {
336 67d8de2a 2022-08-29 stsp if (get_addrs($3, new_srv, $4) == -1) {
337 67d8de2a 2022-08-29 stsp yyerror("could not get addrs");
340 6c8aa58f 2022-08-30 stsp new_srv->fcgi_socket = 1;
342 3a1c1a1b 2023-01-04 op | LISTEN ON SOCKET STRING {
343 3a1c1a1b 2023-01-04 op if (!strcasecmp($4, "off") ||
344 3a1c1a1b 2023-01-04 op !strcasecmp($4, "no")) {
345 3a1c1a1b 2023-01-04 op new_srv->unix_socket = 0;
350 3a1c1a1b 2023-01-04 op new_srv->unix_socket = 1;
352 3a1c1a1b 2023-01-04 op n = snprintf(new_srv->unix_socket_name,
353 3a1c1a1b 2023-01-04 op sizeof(new_srv->unix_socket_name), "%s%s",
354 3a1c1a1b 2023-01-04 op strlen(gotwebd->httpd_chroot) ?
355 3a1c1a1b 2023-01-04 op gotwebd->httpd_chroot : D_HTTPD_CHROOT, $4);
357 3a1c1a1b 2023-01-04 op (size_t)n >= sizeof(new_srv->unix_socket_name)) {
358 3a1c1a1b 2023-01-04 op yyerror("%s: unix_socket_name truncated",
365 a596b957 2022-07-14 tracey | MAX_REPOS NUMBER {
366 a596b957 2022-07-14 tracey if ($2 > 0)
367 a596b957 2022-07-14 tracey new_srv->max_repos = $2;
369 a596b957 2022-07-14 tracey | SHOW_SITE_OWNER boolean {
370 a596b957 2022-07-14 tracey new_srv->show_site_owner = $2;
372 a596b957 2022-07-14 tracey | SHOW_REPO_OWNER boolean {
373 a596b957 2022-07-14 tracey new_srv->show_repo_owner = $2;
375 a596b957 2022-07-14 tracey | SHOW_REPO_AGE boolean {
376 a596b957 2022-07-14 tracey new_srv->show_repo_age = $2;
378 a596b957 2022-07-14 tracey | SHOW_REPO_DESCRIPTION boolean {
379 a596b957 2022-07-14 tracey new_srv->show_repo_description = $2;
381 a596b957 2022-07-14 tracey | SHOW_REPO_CLONEURL boolean {
382 a596b957 2022-07-14 tracey new_srv->show_repo_cloneurl = $2;
384 d5996b9e 2022-10-31 landry | RESPECT_EXPORTOK boolean {
385 d5996b9e 2022-10-31 landry new_srv->respect_exportok = $2;
387 a596b957 2022-07-14 tracey | MAX_REPOS_DISPLAY NUMBER {
388 a596b957 2022-07-14 tracey new_srv->max_repos_display = $2;
390 a596b957 2022-07-14 tracey | MAX_COMMITS_DISPLAY NUMBER {
391 a596b957 2022-07-14 tracey if ($2 > 0)
392 a596b957 2022-07-14 tracey new_srv->max_commits_display = $2;
396 a596b957 2022-07-14 tracey serveropts2 : serveropts2 serveropts1 nl
397 a596b957 2022-07-14 tracey | serveropts1 optnl
400 a596b957 2022-07-14 tracey nl : '\n' optnl
403 a596b957 2022-07-14 tracey optnl : '\n' optnl /* zero or more newlines */
404 a596b957 2022-07-14 tracey | /* empty */
409 a596b957 2022-07-14 tracey struct keywords {
410 a596b957 2022-07-14 tracey const char *k_name;
411 a596b957 2022-07-14 tracey int k_val;
415 a596b957 2022-07-14 tracey yyerror(const char *fmt, ...)
417 a596b957 2022-07-14 tracey va_list ap;
418 a596b957 2022-07-14 tracey char *msg;
420 a596b957 2022-07-14 tracey file->errors++;
421 a596b957 2022-07-14 tracey va_start(ap, fmt);
422 a596b957 2022-07-14 tracey if (vasprintf(&msg, fmt, ap) == -1)
423 a596b957 2022-07-14 tracey fatalx("yyerror vasprintf");
424 a596b957 2022-07-14 tracey va_end(ap);
425 a596b957 2022-07-14 tracey logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
426 a596b957 2022-07-14 tracey free(msg);
427 a596b957 2022-07-14 tracey return (0);
431 a596b957 2022-07-14 tracey kw_cmp(const void *k, const void *e)
433 a596b957 2022-07-14 tracey return (strcmp(k, ((const struct keywords *)e)->k_name));
437 a596b957 2022-07-14 tracey lookup(char *s)
439 a596b957 2022-07-14 tracey /* This has to be sorted always. */
440 a596b957 2022-07-14 tracey static const struct keywords keywords[] = {
441 a596b957 2022-07-14 tracey { "chroot", CHROOT },
442 a596b957 2022-07-14 tracey { "custom_css", CUSTOM_CSS },
443 d8473d93 2022-08-11 stsp { "listen", LISTEN },
444 a596b957 2022-07-14 tracey { "logo", LOGO },
445 8556b86b 2023-01-02 op { "logo_url", LOGO_URL },
446 a596b957 2022-07-14 tracey { "max_commits_display", MAX_COMMITS_DISPLAY },
447 a596b957 2022-07-14 tracey { "max_repos", MAX_REPOS },
448 a596b957 2022-07-14 tracey { "max_repos_display", MAX_REPOS_DISPLAY },
449 d8473d93 2022-08-11 stsp { "on", ON },
450 a596b957 2022-07-14 tracey { "port", PORT },
451 a596b957 2022-07-14 tracey { "prefork", PREFORK },
452 a596b957 2022-07-14 tracey { "repos_path", REPOS_PATH },
453 d5996b9e 2022-10-31 landry { "respect_exportok", RESPECT_EXPORTOK },
454 a596b957 2022-07-14 tracey { "server", SERVER },
455 a596b957 2022-07-14 tracey { "show_repo_age", SHOW_REPO_AGE },
456 a596b957 2022-07-14 tracey { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
457 a596b957 2022-07-14 tracey { "show_repo_description", SHOW_REPO_DESCRIPTION },
458 a596b957 2022-07-14 tracey { "show_repo_owner", SHOW_REPO_OWNER },
459 a596b957 2022-07-14 tracey { "show_site_owner", SHOW_SITE_OWNER },
460 a596b957 2022-07-14 tracey { "site_link", SITE_LINK },
461 a596b957 2022-07-14 tracey { "site_name", SITE_NAME },
462 a596b957 2022-07-14 tracey { "site_owner", SITE_OWNER },
463 3a1c1a1b 2023-01-04 op { "socket", SOCKET },
464 a596b957 2022-07-14 tracey { "unix_socket", UNIX_SOCKET },
465 a596b957 2022-07-14 tracey { "unix_socket_name", UNIX_SOCKET_NAME },
467 a596b957 2022-07-14 tracey const struct keywords *p;
469 a596b957 2022-07-14 tracey p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
470 a596b957 2022-07-14 tracey sizeof(keywords[0]), kw_cmp);
473 a596b957 2022-07-14 tracey return (p->k_val);
475 a596b957 2022-07-14 tracey return (STRING);
478 a596b957 2022-07-14 tracey #define MAXPUSHBACK 128
480 a596b957 2022-07-14 tracey unsigned char *parsebuf;
481 a596b957 2022-07-14 tracey int parseindex;
482 a596b957 2022-07-14 tracey unsigned char pushback_buffer[MAXPUSHBACK];
483 a596b957 2022-07-14 tracey int pushback_index = 0;
486 a596b957 2022-07-14 tracey lgetc(int quotec)
488 a596b957 2022-07-14 tracey int c, next;
490 a596b957 2022-07-14 tracey if (parsebuf) {
491 a596b957 2022-07-14 tracey /* Read character from the parsebuffer instead of input. */
492 a596b957 2022-07-14 tracey if (parseindex >= 0) {
493 a596b957 2022-07-14 tracey c = parsebuf[parseindex++];
494 a596b957 2022-07-14 tracey if (c != '\0')
495 a596b957 2022-07-14 tracey return (c);
496 a596b957 2022-07-14 tracey parsebuf = NULL;
498 a596b957 2022-07-14 tracey parseindex++;
501 a596b957 2022-07-14 tracey if (pushback_index)
502 a596b957 2022-07-14 tracey return (pushback_buffer[--pushback_index]);
504 a596b957 2022-07-14 tracey if (quotec) {
505 a596b957 2022-07-14 tracey c = getc(file->stream);
506 a596b957 2022-07-14 tracey if (c == EOF)
507 a596b957 2022-07-14 tracey yyerror("reached end of file while parsing "
508 a596b957 2022-07-14 tracey "quoted string");
509 a596b957 2022-07-14 tracey return (c);
512 a596b957 2022-07-14 tracey c = getc(file->stream);
513 a596b957 2022-07-14 tracey while (c == '\\') {
514 a596b957 2022-07-14 tracey next = getc(file->stream);
515 a596b957 2022-07-14 tracey if (next != '\n') {
516 a596b957 2022-07-14 tracey c = next;
519 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
520 a596b957 2022-07-14 tracey file->lineno++;
521 a596b957 2022-07-14 tracey c = getc(file->stream);
524 a596b957 2022-07-14 tracey return (c);
528 a596b957 2022-07-14 tracey lungetc(int c)
530 a596b957 2022-07-14 tracey if (c == EOF)
531 a596b957 2022-07-14 tracey return (EOF);
532 a596b957 2022-07-14 tracey if (parsebuf) {
533 a596b957 2022-07-14 tracey parseindex--;
534 a596b957 2022-07-14 tracey if (parseindex >= 0)
535 a596b957 2022-07-14 tracey return (c);
537 a596b957 2022-07-14 tracey if (pushback_index < MAXPUSHBACK-1)
538 a596b957 2022-07-14 tracey return (pushback_buffer[pushback_index++] = c);
540 a596b957 2022-07-14 tracey return (EOF);
544 a596b957 2022-07-14 tracey findeol(void)
548 a596b957 2022-07-14 tracey parsebuf = NULL;
550 a596b957 2022-07-14 tracey /* Skip to either EOF or the first real EOL. */
551 a596b957 2022-07-14 tracey while (1) {
552 a596b957 2022-07-14 tracey if (pushback_index)
553 a596b957 2022-07-14 tracey c = pushback_buffer[--pushback_index];
555 a596b957 2022-07-14 tracey c = lgetc(0);
556 a596b957 2022-07-14 tracey if (c == '\n') {
557 a596b957 2022-07-14 tracey file->lineno++;
560 a596b957 2022-07-14 tracey if (c == EOF)
563 a596b957 2022-07-14 tracey return (ERROR);
567 a596b957 2022-07-14 tracey yylex(void)
569 a596b957 2022-07-14 tracey unsigned char buf[8096];
570 a596b957 2022-07-14 tracey unsigned char *p, *val;
571 a596b957 2022-07-14 tracey int quotec, next, c;
572 a596b957 2022-07-14 tracey int token;
576 a596b957 2022-07-14 tracey c = lgetc(0);
577 a596b957 2022-07-14 tracey while (c == ' ' || c == '\t')
578 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
580 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
581 a596b957 2022-07-14 tracey if (c == '#') {
582 a596b957 2022-07-14 tracey c = lgetc(0);
583 a596b957 2022-07-14 tracey while (c != '\n' && c != EOF)
584 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
586 a596b957 2022-07-14 tracey if (c == '$' && parsebuf == NULL) {
587 a596b957 2022-07-14 tracey while (1) {
588 a596b957 2022-07-14 tracey c = lgetc(0);
589 a596b957 2022-07-14 tracey if (c == EOF)
590 a596b957 2022-07-14 tracey return (0);
592 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
593 a596b957 2022-07-14 tracey yyerror("string too long");
594 a596b957 2022-07-14 tracey return (findeol());
596 a596b957 2022-07-14 tracey if (isalnum(c) || c == '_') {
597 a596b957 2022-07-14 tracey *p++ = c;
598 a596b957 2022-07-14 tracey continue;
600 a596b957 2022-07-14 tracey *p = '\0';
601 a596b957 2022-07-14 tracey lungetc(c);
604 a596b957 2022-07-14 tracey val = symget(buf);
605 a596b957 2022-07-14 tracey if (val == NULL) {
606 a596b957 2022-07-14 tracey yyerror("macro '%s' not defined", buf);
607 a596b957 2022-07-14 tracey return (findeol());
609 a596b957 2022-07-14 tracey parsebuf = val;
610 a596b957 2022-07-14 tracey parseindex = 0;
611 a596b957 2022-07-14 tracey goto top;
614 a596b957 2022-07-14 tracey switch (c) {
615 a596b957 2022-07-14 tracey case '\'':
616 a596b957 2022-07-14 tracey case '"':
617 a596b957 2022-07-14 tracey quotec = c;
618 a596b957 2022-07-14 tracey while (1) {
619 a596b957 2022-07-14 tracey c = lgetc(quotec);
620 a596b957 2022-07-14 tracey if (c == EOF)
621 a596b957 2022-07-14 tracey return (0);
622 a596b957 2022-07-14 tracey if (c == '\n') {
623 a596b957 2022-07-14 tracey file->lineno++;
624 a596b957 2022-07-14 tracey continue;
625 a596b957 2022-07-14 tracey } else if (c == '\\') {
626 a596b957 2022-07-14 tracey next = lgetc(quotec);
627 a596b957 2022-07-14 tracey if (next == EOF)
628 a596b957 2022-07-14 tracey return (0);
629 a596b957 2022-07-14 tracey if (next == quotec || c == ' ' || c == '\t')
630 a596b957 2022-07-14 tracey c = next;
631 a596b957 2022-07-14 tracey else if (next == '\n') {
632 a596b957 2022-07-14 tracey file->lineno++;
633 a596b957 2022-07-14 tracey continue;
635 a596b957 2022-07-14 tracey lungetc(next);
636 a596b957 2022-07-14 tracey } else if (c == quotec) {
637 a596b957 2022-07-14 tracey *p = '\0';
639 a596b957 2022-07-14 tracey } else if (c == '\0') {
640 a596b957 2022-07-14 tracey yyerror("syntax error");
641 a596b957 2022-07-14 tracey return (findeol());
643 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
644 a596b957 2022-07-14 tracey yyerror("string too long");
645 a596b957 2022-07-14 tracey return (findeol());
647 a596b957 2022-07-14 tracey *p++ = c;
649 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
650 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
651 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
652 a596b957 2022-07-14 tracey return (STRING);
655 a596b957 2022-07-14 tracey #define allowed_to_end_number(x) \
656 a596b957 2022-07-14 tracey (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
658 a596b957 2022-07-14 tracey if (c == '-' || isdigit(c)) {
660 a596b957 2022-07-14 tracey *p++ = c;
661 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
662 a596b957 2022-07-14 tracey yyerror("string too long");
663 a596b957 2022-07-14 tracey return (findeol());
665 a596b957 2022-07-14 tracey c = lgetc(0);
666 a596b957 2022-07-14 tracey } while (c != EOF && isdigit(c));
667 a596b957 2022-07-14 tracey lungetc(c);
668 a596b957 2022-07-14 tracey if (p == buf + 1 && buf[0] == '-')
669 a596b957 2022-07-14 tracey goto nodigits;
670 a596b957 2022-07-14 tracey if (c == EOF || allowed_to_end_number(c)) {
671 a596b957 2022-07-14 tracey const char *errstr = NULL;
673 a596b957 2022-07-14 tracey *p = '\0';
674 a596b957 2022-07-14 tracey yylval.v.number = strtonum(buf, LLONG_MIN,
675 a596b957 2022-07-14 tracey LLONG_MAX, &errstr);
676 a596b957 2022-07-14 tracey if (errstr) {
677 a596b957 2022-07-14 tracey yyerror("\"%s\" invalid number: %s",
678 a596b957 2022-07-14 tracey buf, errstr);
679 a596b957 2022-07-14 tracey return (findeol());
681 a596b957 2022-07-14 tracey return (NUMBER);
683 a596b957 2022-07-14 tracey nodigits:
684 a596b957 2022-07-14 tracey while (p > buf + 1)
685 a596b957 2022-07-14 tracey lungetc(*--p);
686 a596b957 2022-07-14 tracey c = *--p;
687 a596b957 2022-07-14 tracey if (c == '-')
688 a596b957 2022-07-14 tracey return (c);
692 a596b957 2022-07-14 tracey #define allowed_in_string(x) \
693 a596b957 2022-07-14 tracey (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
694 a596b957 2022-07-14 tracey x != '{' && x != '}' && \
695 a596b957 2022-07-14 tracey x != '!' && x != '=' && x != '#' && \
696 a596b957 2022-07-14 tracey x != ','))
698 a596b957 2022-07-14 tracey if (isalnum(c) || c == ':' || c == '_') {
700 a596b957 2022-07-14 tracey *p++ = c;
701 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
702 a596b957 2022-07-14 tracey yyerror("string too long");
703 a596b957 2022-07-14 tracey return (findeol());
705 a596b957 2022-07-14 tracey c = lgetc(0);
706 a596b957 2022-07-14 tracey } while (c != EOF && (allowed_in_string(c)));
707 a596b957 2022-07-14 tracey lungetc(c);
708 a596b957 2022-07-14 tracey *p = '\0';
709 a596b957 2022-07-14 tracey token = lookup(buf);
710 a596b957 2022-07-14 tracey if (token == STRING) {
711 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
712 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
713 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
715 a596b957 2022-07-14 tracey return (token);
717 a596b957 2022-07-14 tracey if (c == '\n') {
718 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
719 a596b957 2022-07-14 tracey file->lineno++;
721 a596b957 2022-07-14 tracey if (c == EOF)
722 a596b957 2022-07-14 tracey return (0);
723 a596b957 2022-07-14 tracey return (c);
727 a596b957 2022-07-14 tracey check_file_secrecy(int fd, const char *fname)
729 a596b957 2022-07-14 tracey struct stat st;
731 a596b957 2022-07-14 tracey if (fstat(fd, &st)) {
732 a596b957 2022-07-14 tracey log_warn("cannot stat %s", fname);
733 a596b957 2022-07-14 tracey return (-1);
735 a596b957 2022-07-14 tracey if (st.st_uid != 0 && st.st_uid != getuid()) {
736 a596b957 2022-07-14 tracey log_warnx("%s: owner not root or current user", fname);
737 a596b957 2022-07-14 tracey return (-1);
739 a596b957 2022-07-14 tracey if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
740 a596b957 2022-07-14 tracey log_warnx("%s: group writable or world read/writable", fname);
741 a596b957 2022-07-14 tracey return (-1);
743 a596b957 2022-07-14 tracey return (0);
746 a596b957 2022-07-14 tracey struct file *
747 a596b957 2022-07-14 tracey newfile(const char *name, int secret)
749 a596b957 2022-07-14 tracey struct file *nfile;
751 a596b957 2022-07-14 tracey nfile = calloc(1, sizeof(struct file));
752 a596b957 2022-07-14 tracey if (nfile == NULL) {
753 a596b957 2022-07-14 tracey log_warn("calloc");
754 a596b957 2022-07-14 tracey return (NULL);
756 a596b957 2022-07-14 tracey nfile->name = strdup(name);
757 a596b957 2022-07-14 tracey if (nfile->name == NULL) {
758 a596b957 2022-07-14 tracey log_warn("strdup");
759 a596b957 2022-07-14 tracey free(nfile);
760 a596b957 2022-07-14 tracey return (NULL);
762 a596b957 2022-07-14 tracey nfile->stream = fopen(nfile->name, "r");
763 a596b957 2022-07-14 tracey if (nfile->stream == NULL) {
764 a596b957 2022-07-14 tracey /* no warning, we don't require a conf file */
765 a596b957 2022-07-14 tracey free(nfile->name);
766 a596b957 2022-07-14 tracey free(nfile);
767 a596b957 2022-07-14 tracey return (NULL);
768 a596b957 2022-07-14 tracey } else if (secret &&
769 a596b957 2022-07-14 tracey check_file_secrecy(fileno(nfile->stream), nfile->name)) {
770 a596b957 2022-07-14 tracey fclose(nfile->stream);
771 a596b957 2022-07-14 tracey free(nfile->name);
772 a596b957 2022-07-14 tracey free(nfile);
773 a596b957 2022-07-14 tracey return (NULL);
775 a596b957 2022-07-14 tracey nfile->lineno = 1;
776 a596b957 2022-07-14 tracey return (nfile);
779 a596b957 2022-07-14 tracey static void
780 a596b957 2022-07-14 tracey closefile(struct file *xfile)
782 a596b957 2022-07-14 tracey fclose(xfile->stream);
783 a596b957 2022-07-14 tracey free(xfile->name);
784 a596b957 2022-07-14 tracey free(xfile);
787 a0037b73 2022-08-03 stsp static void
788 a0037b73 2022-08-03 stsp add_default_server(void)
790 a0037b73 2022-08-03 stsp new_srv = conf_new_server(D_SITENAME);
791 a0037b73 2022-08-03 stsp log_debug("%s: adding default server %s", __func__, D_SITENAME);
795 a596b957 2022-07-14 tracey parse_config(const char *filename, struct gotwebd *env)
797 a596b957 2022-07-14 tracey struct sym *sym, *next;
799 a596b957 2022-07-14 tracey if (config_init(env) == -1)
800 a596b957 2022-07-14 tracey fatalx("failed to initialize configuration");
802 a596b957 2022-07-14 tracey gotwebd = env;
804 a0037b73 2022-08-03 stsp file = newfile(filename, 0);
805 a0037b73 2022-08-03 stsp if (file == NULL) {
806 a0037b73 2022-08-03 stsp add_default_server();
807 a0037b73 2022-08-03 stsp sockets_parse_sockets(env);
808 a0037b73 2022-08-03 stsp /* just return, as we don't require a conf file */
809 a0037b73 2022-08-03 stsp return (0);
812 a596b957 2022-07-14 tracey yyparse();
813 a596b957 2022-07-14 tracey errors = file->errors;
814 a596b957 2022-07-14 tracey closefile(file);
816 a596b957 2022-07-14 tracey /* Free macros and check which have not been used. */
817 a596b957 2022-07-14 tracey TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
818 a596b957 2022-07-14 tracey if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
819 a596b957 2022-07-14 tracey fprintf(stderr, "warning: macro '%s' not used\n",
820 a596b957 2022-07-14 tracey sym->nam);
821 a596b957 2022-07-14 tracey if (!sym->persist) {
822 a596b957 2022-07-14 tracey free(sym->nam);
823 a596b957 2022-07-14 tracey free(sym->val);
824 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
825 a596b957 2022-07-14 tracey free(sym);
829 a596b957 2022-07-14 tracey if (errors)
830 a596b957 2022-07-14 tracey return (-1);
832 a596b957 2022-07-14 tracey /* just add default server if no config specified */
833 a0037b73 2022-08-03 stsp if (gotwebd->server_cnt == 0)
834 a0037b73 2022-08-03 stsp add_default_server();
836 a596b957 2022-07-14 tracey /* setup our listening sockets */
837 a596b957 2022-07-14 tracey sockets_parse_sockets(env);
839 a596b957 2022-07-14 tracey return (0);
842 a596b957 2022-07-14 tracey struct server *
843 a596b957 2022-07-14 tracey conf_new_server(const char *name)
845 a596b957 2022-07-14 tracey struct server *srv = NULL;
847 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
848 a596b957 2022-07-14 tracey if (srv == NULL)
849 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
851 a596b957 2022-07-14 tracey n = strlcpy(srv->name, name, sizeof(srv->name));
852 a596b957 2022-07-14 tracey if (n >= sizeof(srv->name))
853 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
854 a596b957 2022-07-14 tracey n = snprintf(srv->unix_socket_name,
855 a596b957 2022-07-14 tracey sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
856 a596b957 2022-07-14 tracey D_UNIX_SOCKET);
857 438d0cc3 2022-08-16 op if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
858 a596b957 2022-07-14 tracey fatalx("%s: snprintf", __func__);
859 a596b957 2022-07-14 tracey n = strlcpy(srv->repos_path, D_GOTPATH,
860 a596b957 2022-07-14 tracey sizeof(srv->repos_path));
861 a596b957 2022-07-14 tracey if (n >= sizeof(srv->repos_path))
862 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
863 a596b957 2022-07-14 tracey n = strlcpy(srv->site_name, D_SITENAME,
864 a596b957 2022-07-14 tracey sizeof(srv->site_name));
865 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_name))
866 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
867 a596b957 2022-07-14 tracey n = strlcpy(srv->site_owner, D_SITEOWNER,
868 a596b957 2022-07-14 tracey sizeof(srv->site_owner));
869 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_owner))
870 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
871 a596b957 2022-07-14 tracey n = strlcpy(srv->site_link, D_SITELINK,
872 a596b957 2022-07-14 tracey sizeof(srv->site_link));
873 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_link))
874 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
875 a596b957 2022-07-14 tracey n = strlcpy(srv->logo, D_GOTLOGO,
876 a596b957 2022-07-14 tracey sizeof(srv->logo));
877 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo))
878 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
879 a596b957 2022-07-14 tracey n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
880 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo_url))
881 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
882 a596b957 2022-07-14 tracey n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
883 a596b957 2022-07-14 tracey if (n >= sizeof(srv->custom_css))
884 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
886 a596b957 2022-07-14 tracey srv->show_site_owner = D_SHOWSOWNER;
887 a596b957 2022-07-14 tracey srv->show_repo_owner = D_SHOWROWNER;
888 a596b957 2022-07-14 tracey srv->show_repo_age = D_SHOWAGE;
889 a596b957 2022-07-14 tracey srv->show_repo_description = D_SHOWDESC;
890 a596b957 2022-07-14 tracey srv->show_repo_cloneurl = D_SHOWURL;
891 d5996b9e 2022-10-31 landry srv->respect_exportok = D_RESPECTEXPORTOK;
893 a596b957 2022-07-14 tracey srv->max_repos_display = D_MAXREPODISP;
894 a596b957 2022-07-14 tracey srv->max_commits_display = D_MAXCOMMITDISP;
895 a596b957 2022-07-14 tracey srv->max_repos = D_MAXREPO;
897 a596b957 2022-07-14 tracey srv->unix_socket = 1;
898 6c8aa58f 2022-08-30 stsp srv->fcgi_socket = 0;
900 e087e1f6 2022-08-16 stsp TAILQ_INIT(&srv->al);
901 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
902 a596b957 2022-07-14 tracey gotwebd->server_cnt++;
904 a596b957 2022-07-14 tracey return srv;
908 a596b957 2022-07-14 tracey symset(const char *nam, const char *val, int persist)
910 a596b957 2022-07-14 tracey struct sym *sym;
912 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
913 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0)
917 a596b957 2022-07-14 tracey if (sym != NULL) {
918 a596b957 2022-07-14 tracey if (sym->persist == 1)
919 a596b957 2022-07-14 tracey return (0);
921 a596b957 2022-07-14 tracey free(sym->nam);
922 a596b957 2022-07-14 tracey free(sym->val);
923 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
924 a596b957 2022-07-14 tracey free(sym);
927 a596b957 2022-07-14 tracey sym = calloc(1, sizeof(*sym));
928 a596b957 2022-07-14 tracey if (sym == NULL)
929 a596b957 2022-07-14 tracey return (-1);
931 a596b957 2022-07-14 tracey sym->nam = strdup(nam);
932 a596b957 2022-07-14 tracey if (sym->nam == NULL) {
933 a596b957 2022-07-14 tracey free(sym);
934 a596b957 2022-07-14 tracey return (-1);
936 a596b957 2022-07-14 tracey sym->val = strdup(val);
937 a596b957 2022-07-14 tracey if (sym->val == NULL) {
938 a596b957 2022-07-14 tracey free(sym->nam);
939 a596b957 2022-07-14 tracey free(sym);
940 a596b957 2022-07-14 tracey return (-1);
942 a596b957 2022-07-14 tracey sym->used = 0;
943 a596b957 2022-07-14 tracey sym->persist = persist;
944 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(&symhead, sym, entry);
945 a596b957 2022-07-14 tracey return (0);
949 a596b957 2022-07-14 tracey cmdline_symset(char *s)
951 a596b957 2022-07-14 tracey char *sym, *val;
954 a596b957 2022-07-14 tracey val = strrchr(s, '=');
955 a596b957 2022-07-14 tracey if (val == NULL)
956 a596b957 2022-07-14 tracey return (-1);
958 4cdd299d 2022-09-05 op sym = strndup(s, val - s);
959 a596b957 2022-07-14 tracey if (sym == NULL)
960 4cdd299d 2022-09-05 op fatal("%s: strndup", __func__);
962 a596b957 2022-07-14 tracey ret = symset(sym, val + 1, 1);
963 a596b957 2022-07-14 tracey free(sym);
965 a596b957 2022-07-14 tracey return (ret);
969 a596b957 2022-07-14 tracey symget(const char *nam)
971 a596b957 2022-07-14 tracey struct sym *sym;
973 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
974 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0) {
975 a596b957 2022-07-14 tracey sym->used = 1;
976 a596b957 2022-07-14 tracey return (sym->val);
979 a596b957 2022-07-14 tracey return (NULL);
983 a596b957 2022-07-14 tracey getservice(const char *n)
985 a596b957 2022-07-14 tracey struct servent *s;
986 a596b957 2022-07-14 tracey const char *errstr;
987 a596b957 2022-07-14 tracey long long llval;
989 a596b957 2022-07-14 tracey llval = strtonum(n, 0, UINT16_MAX, &errstr);
990 a596b957 2022-07-14 tracey if (errstr) {
991 a596b957 2022-07-14 tracey s = getservbyname(n, "tcp");
992 a596b957 2022-07-14 tracey if (s == NULL)
993 a596b957 2022-07-14 tracey s = getservbyname(n, "udp");
994 a596b957 2022-07-14 tracey if (s == NULL)
995 a596b957 2022-07-14 tracey return (-1);
996 859aa9f4 2022-08-19 stsp return ntohs(s->s_port);
999 859aa9f4 2022-08-19 stsp return (unsigned short)llval;
1002 a596b957 2022-07-14 tracey struct address *
1003 a596b957 2022-07-14 tracey host_v4(const char *s)
1005 a596b957 2022-07-14 tracey struct in_addr ina;
1006 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1007 a596b957 2022-07-14 tracey struct address *h;
1009 a596b957 2022-07-14 tracey memset(&ina, 0, sizeof(ina));
1010 a596b957 2022-07-14 tracey if (inet_pton(AF_INET, s, &ina) != 1)
1011 a596b957 2022-07-14 tracey return (NULL);
1013 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1014 a596b957 2022-07-14 tracey fatal(__func__);
1015 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1016 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ina);
1017 a596b957 2022-07-14 tracey if (sain->sin_addr.s_addr == INADDR_ANY)
1018 a596b957 2022-07-14 tracey h->prefixlen = 0; /* 0.0.0.0 address */
1020 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1021 a596b957 2022-07-14 tracey return (h);
1024 a596b957 2022-07-14 tracey struct address *
1025 a596b957 2022-07-14 tracey host_v6(const char *s)
1027 a596b957 2022-07-14 tracey struct addrinfo hints, *res;
1028 86b4b772 2022-07-29 stsp struct sockaddr_in6 *sa_in6, *ra;
1029 a596b957 2022-07-14 tracey struct address *h = NULL;
1031 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1032 a596b957 2022-07-14 tracey hints.ai_family = AF_INET6;
1033 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* dummy */
1034 a596b957 2022-07-14 tracey hints.ai_flags = AI_NUMERICHOST;
1035 a596b957 2022-07-14 tracey if (getaddrinfo(s, "0", &hints, &res) == 0) {
1036 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1037 a596b957 2022-07-14 tracey fatal(__func__);
1038 a596b957 2022-07-14 tracey sa_in6 = (struct sockaddr_in6 *)&h->ss;
1039 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1040 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1041 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1042 a596b957 2022-07-14 tracey if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1043 a596b957 2022-07-14 tracey sizeof(sa_in6->sin6_addr)) == 0)
1044 a596b957 2022-07-14 tracey h->prefixlen = 0; /* any address */
1046 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1047 a596b957 2022-07-14 tracey freeaddrinfo(res);
1050 a596b957 2022-07-14 tracey return (h);
1054 67d8de2a 2022-08-29 stsp host_dns(const char *s, struct server *new_srv, int max,
1055 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1057 a596b957 2022-07-14 tracey struct addrinfo hints, *res0, *res;
1058 a596b957 2022-07-14 tracey int error, cnt = 0;
1059 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1060 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1061 a596b957 2022-07-14 tracey struct address *h;
1063 67d8de2a 2022-08-29 stsp if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1064 a596b957 2022-07-14 tracey return (cnt);
1066 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1067 a596b957 2022-07-14 tracey hints.ai_family = PF_UNSPEC;
1068 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1069 a596b957 2022-07-14 tracey hints.ai_flags = AI_ADDRCONFIG;
1070 a596b957 2022-07-14 tracey error = getaddrinfo(s, NULL, &hints, &res0);
1071 a596b957 2022-07-14 tracey if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1072 a596b957 2022-07-14 tracey return (0);
1073 a596b957 2022-07-14 tracey if (error) {
1074 a596b957 2022-07-14 tracey log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1075 a596b957 2022-07-14 tracey gai_strerror(error));
1076 a596b957 2022-07-14 tracey return (-1);
1079 a596b957 2022-07-14 tracey for (res = res0; res && cnt < max; res = res->ai_next) {
1080 a596b957 2022-07-14 tracey if (res->ai_family != AF_INET &&
1081 a596b957 2022-07-14 tracey res->ai_family != AF_INET6)
1082 a596b957 2022-07-14 tracey continue;
1083 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1084 a596b957 2022-07-14 tracey fatal(__func__);
1086 a596b957 2022-07-14 tracey if (port)
1087 a596b957 2022-07-14 tracey h->port = port;
1088 a596b957 2022-07-14 tracey if (ifname != NULL) {
1089 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1090 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1091 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1092 a596b957 2022-07-14 tracey __func__);
1093 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1094 a596b957 2022-07-14 tracey free(h);
1095 a596b957 2022-07-14 tracey return (-1);
1098 a596b957 2022-07-14 tracey if (ipproto != -1)
1099 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1100 a596b957 2022-07-14 tracey h->ss.ss_family = res->ai_family;
1101 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1103 a596b957 2022-07-14 tracey if (res->ai_family == AF_INET) {
1104 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1105 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1106 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)res->ai_addr;
1107 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1108 a596b957 2022-07-14 tracey } else {
1109 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1110 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1111 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1112 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1115 67d8de2a 2022-08-29 stsp if (add_addr(new_srv, h))
1116 67d8de2a 2022-08-29 stsp return -1;
1119 a596b957 2022-07-14 tracey if (cnt == max && res) {
1120 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1121 a596b957 2022-07-14 tracey s, max);
1123 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1124 a596b957 2022-07-14 tracey return (cnt);
1128 67d8de2a 2022-08-29 stsp host_if(const char *s, struct server *new_srv, int max,
1129 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1131 a596b957 2022-07-14 tracey struct ifaddrs *ifap, *p;
1132 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1133 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1134 a596b957 2022-07-14 tracey struct address *h;
1135 a596b957 2022-07-14 tracey int cnt = 0, af;
1137 a596b957 2022-07-14 tracey if (getifaddrs(&ifap) == -1)
1138 a596b957 2022-07-14 tracey fatal("getifaddrs");
1140 a596b957 2022-07-14 tracey /* First search for IPv4 addresses */
1141 a596b957 2022-07-14 tracey af = AF_INET;
1144 a596b957 2022-07-14 tracey for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1145 a596b957 2022-07-14 tracey if (p->ifa_addr == NULL ||
1146 a596b957 2022-07-14 tracey p->ifa_addr->sa_family != af ||
1147 a596b957 2022-07-14 tracey (strcmp(s, p->ifa_name) != 0 &&
1148 a596b957 2022-07-14 tracey !is_if_in_group(p->ifa_name, s)))
1149 a596b957 2022-07-14 tracey continue;
1150 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1151 a596b957 2022-07-14 tracey fatal("calloc");
1153 a596b957 2022-07-14 tracey if (port)
1154 a596b957 2022-07-14 tracey h->port = port;
1155 a596b957 2022-07-14 tracey if (ifname != NULL) {
1156 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1157 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1158 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1159 a596b957 2022-07-14 tracey __func__);
1160 a596b957 2022-07-14 tracey free(h);
1161 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1162 a596b957 2022-07-14 tracey return (-1);
1165 a596b957 2022-07-14 tracey if (ipproto != -1)
1166 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1167 a596b957 2022-07-14 tracey h->ss.ss_family = af;
1168 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1170 a596b957 2022-07-14 tracey if (af == AF_INET) {
1171 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1172 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1173 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)p->ifa_addr;
1174 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1175 a596b957 2022-07-14 tracey } else {
1176 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1177 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1178 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)p->ifa_addr;
1179 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1180 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1183 67d8de2a 2022-08-29 stsp if (add_addr(new_srv, h))
1184 67d8de2a 2022-08-29 stsp return -1;
1187 a596b957 2022-07-14 tracey if (af == AF_INET) {
1188 a596b957 2022-07-14 tracey /* Next search for IPv6 addresses */
1189 a596b957 2022-07-14 tracey af = AF_INET6;
1190 a596b957 2022-07-14 tracey goto nextaf;
1193 a596b957 2022-07-14 tracey if (cnt > max) {
1194 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1195 a596b957 2022-07-14 tracey s, max);
1197 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1198 a596b957 2022-07-14 tracey return (cnt);
1202 67d8de2a 2022-08-29 stsp host(const char *s, struct server *new_srv, int max,
1203 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1205 a596b957 2022-07-14 tracey struct address *h;
1207 a596b957 2022-07-14 tracey h = host_v4(s);
1209 a596b957 2022-07-14 tracey /* IPv6 address? */
1210 a596b957 2022-07-14 tracey if (h == NULL)
1211 a596b957 2022-07-14 tracey h = host_v6(s);
1213 a596b957 2022-07-14 tracey if (h != NULL) {
1214 a596b957 2022-07-14 tracey if (port)
1215 a596b957 2022-07-14 tracey h->port = port;
1216 a596b957 2022-07-14 tracey if (ifname != NULL) {
1217 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1218 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1219 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1220 a596b957 2022-07-14 tracey __func__);
1221 a596b957 2022-07-14 tracey free(h);
1222 a596b957 2022-07-14 tracey return (-1);
1225 a596b957 2022-07-14 tracey if (ipproto != -1)
1226 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1228 67d8de2a 2022-08-29 stsp if (add_addr(new_srv, h))
1229 67d8de2a 2022-08-29 stsp return -1;
1230 a596b957 2022-07-14 tracey return (1);
1233 67d8de2a 2022-08-29 stsp return (host_dns(s, new_srv, max, port, ifname, ipproto));
1237 a596b957 2022-07-14 tracey is_if_in_group(const char *ifname, const char *groupname)
1239 a596b957 2022-07-14 tracey unsigned int len;
1240 a596b957 2022-07-14 tracey struct ifgroupreq ifgr;
1241 a596b957 2022-07-14 tracey struct ifg_req *ifg;
1243 a596b957 2022-07-14 tracey int ret = 0;
1245 a596b957 2022-07-14 tracey if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1246 a596b957 2022-07-14 tracey err(1, "socket");
1248 a596b957 2022-07-14 tracey memset(&ifgr, 0, sizeof(ifgr));
1249 a596b957 2022-07-14 tracey if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1250 a596b957 2022-07-14 tracey err(1, "IFNAMSIZ");
1251 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1252 a596b957 2022-07-14 tracey if (errno == EINVAL || errno == ENOTTY)
1253 a596b957 2022-07-14 tracey goto end;
1254 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1257 a596b957 2022-07-14 tracey len = ifgr.ifgr_len;
1258 a596b957 2022-07-14 tracey ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1259 a596b957 2022-07-14 tracey sizeof(struct ifg_req));
1260 a596b957 2022-07-14 tracey if (ifgr.ifgr_groups == NULL)
1261 a596b957 2022-07-14 tracey err(1, "getifgroups");
1262 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1263 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1265 a596b957 2022-07-14 tracey ifg = ifgr.ifgr_groups;
1266 a596b957 2022-07-14 tracey for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1267 a596b957 2022-07-14 tracey len -= sizeof(struct ifg_req);
1268 a596b957 2022-07-14 tracey if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1269 a596b957 2022-07-14 tracey ret = 1;
1273 a596b957 2022-07-14 tracey free(ifgr.ifgr_groups);
1276 a596b957 2022-07-14 tracey close(s);
1277 a596b957 2022-07-14 tracey return (ret);
1281 67d8de2a 2022-08-29 stsp get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1283 a596b957 2022-07-14 tracey if (strcmp("", addr) == 0) {
1284 67d8de2a 2022-08-29 stsp if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1285 67d8de2a 2022-08-29 stsp -1) <= 0) {
1286 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s",
1287 2fb25d87 2022-08-19 stsp "127.0.0.1");
1288 a596b957 2022-07-14 tracey return (-1);
1290 67d8de2a 2022-08-29 stsp if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1291 2fb25d87 2022-08-19 stsp yyerror("invalid listen ip: %s", "::1");
1292 a596b957 2022-07-14 tracey return (-1);
1294 a596b957 2022-07-14 tracey } else {
1295 67d8de2a 2022-08-29 stsp if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1296 a596b957 2022-07-14 tracey -1) <= 0) {
1297 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", addr);
1298 a596b957 2022-07-14 tracey return (-1);
1301 a596b957 2022-07-14 tracey return (0);
1305 67d8de2a 2022-08-29 stsp addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1306 67d8de2a 2022-08-29 stsp const char *other_srv)
1308 67d8de2a 2022-08-29 stsp struct address *a;
1310 67d8de2a 2022-08-29 stsp char buf[INET6_ADDRSTRLEN];
1311 67d8de2a 2022-08-29 stsp const char *addrstr;
1313 67d8de2a 2022-08-29 stsp TAILQ_FOREACH(a, al, entry) {
1314 67d8de2a 2022-08-29 stsp if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1315 67d8de2a 2022-08-29 stsp a->port != h->port)
1318 67d8de2a 2022-08-29 stsp switch (h->ss.ss_family) {
1319 67d8de2a 2022-08-29 stsp case AF_INET:
1320 67d8de2a 2022-08-29 stsp ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1322 67d8de2a 2022-08-29 stsp case AF_INET6:
1323 67d8de2a 2022-08-29 stsp ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1326 67d8de2a 2022-08-29 stsp yyerror("unknown address family: %d", h->ss.ss_family);
1327 67d8de2a 2022-08-29 stsp return -1;
1329 67d8de2a 2022-08-29 stsp addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1330 67d8de2a 2022-08-29 stsp if (addrstr) {
1331 67d8de2a 2022-08-29 stsp if (other_srv) {
1332 67d8de2a 2022-08-29 stsp yyerror("server %s: duplicate fcgi listen "
1333 67d8de2a 2022-08-29 stsp "address %s:%d, already used by server %s",
1334 67d8de2a 2022-08-29 stsp new_srv, addrstr, h->port, other_srv);
1336 67d8de2a 2022-08-29 stsp log_warnx("server: %s: duplicate fcgi listen "
1337 67d8de2a 2022-08-29 stsp "address %s:%d", new_srv, addrstr, h->port);
1340 67d8de2a 2022-08-29 stsp if (other_srv) {
1341 67d8de2a 2022-08-29 stsp yyerror("server: %s: duplicate fcgi listen "
1342 67d8de2a 2022-08-29 stsp "address, already used by server %s",
1343 67d8de2a 2022-08-29 stsp new_srv, other_srv);
1345 67d8de2a 2022-08-29 stsp log_warnx("server %s: duplicate fcgi listen "
1346 67d8de2a 2022-08-29 stsp "address", new_srv);
1350 67d8de2a 2022-08-29 stsp return -1;
1357 67d8de2a 2022-08-29 stsp add_addr(struct server *new_srv, struct address *h)
1359 67d8de2a 2022-08-29 stsp struct server *srv;
1361 67d8de2a 2022-08-29 stsp /* Address cannot be shared between different servers. */
1362 67d8de2a 2022-08-29 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1363 67d8de2a 2022-08-29 stsp if (srv == new_srv)
1365 67d8de2a 2022-08-29 stsp if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1366 67d8de2a 2022-08-29 stsp return -1;
1369 67d8de2a 2022-08-29 stsp /* Tolerate duplicate address lines within the scope of a server. */
1370 67d8de2a 2022-08-29 stsp if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1371 67d8de2a 2022-08-29 stsp TAILQ_INSERT_TAIL(&new_srv->al, h, entry);
