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 a596b957 2022-07-14 tracey int get_addrs(const char *, struct addresslist *, in_port_t);
97 a596b957 2022-07-14 tracey struct address *host_v4(const char *);
98 a596b957 2022-07-14 tracey struct address *host_v6(const char *);
99 a596b957 2022-07-14 tracey int host_dns(const char *, struct addresslist *,
100 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
101 a596b957 2022-07-14 tracey int host_if(const char *, struct addresslist *,
102 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
103 a596b957 2022-07-14 tracey int host(const char *, struct addresslist *,
104 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
105 a596b957 2022-07-14 tracey int is_if_in_group(const char *, const char *);
107 a596b957 2022-07-14 tracey typedef struct {
109 a596b957 2022-07-14 tracey long long number;
110 a596b957 2022-07-14 tracey char *string;
111 a596b957 2022-07-14 tracey in_port_t port;
113 a596b957 2022-07-14 tracey int lineno;
114 a596b957 2022-07-14 tracey } YYSTYPE;
118 d8473d93 2022-08-11 stsp %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
119 a596b957 2022-07-14 tracey %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
120 a596b957 2022-07-14 tracey %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
121 a596b957 2022-07-14 tracey %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK FCGI_SOCKET
122 a596b957 2022-07-14 tracey %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS
124 a596b957 2022-07-14 tracey %token <v.string> STRING
125 a596b957 2022-07-14 tracey %type <v.port> fcgiport
126 a596b957 2022-07-14 tracey %token <v.number> NUMBER
127 a596b957 2022-07-14 tracey %type <v.number> boolean
131 a596b957 2022-07-14 tracey grammar :
132 a596b957 2022-07-14 tracey | grammar '\n'
133 a596b957 2022-07-14 tracey | grammar main '\n'
134 a596b957 2022-07-14 tracey | grammar server '\n'
137 a596b957 2022-07-14 tracey boolean : STRING {
138 a596b957 2022-07-14 tracey if (strcasecmp($1, "1") == 0 ||
139 a596b957 2022-07-14 tracey strcasecmp($1, "yes") == 0 ||
140 a596b957 2022-07-14 tracey strcasecmp($1, "on") == 0)
142 a596b957 2022-07-14 tracey else if (strcasecmp($1, "0") == 0 ||
143 a596b957 2022-07-14 tracey strcasecmp($1, "off") == 0 ||
144 a596b957 2022-07-14 tracey strcasecmp($1, "no") == 0)
147 a596b957 2022-07-14 tracey yyerror("invalid boolean value '%s'", $1);
148 a596b957 2022-07-14 tracey free($1);
151 a596b957 2022-07-14 tracey free($1);
153 a596b957 2022-07-14 tracey | ON { $$ = 1; }
154 a596b957 2022-07-14 tracey | NUMBER { $$ = $1; }
157 17132eaa 2022-08-29 stsp fcgiport : PORT NUMBER {
158 17132eaa 2022-08-29 stsp if ($2 <= 0 || $2 > (int)USHRT_MAX) {
159 17132eaa 2022-08-29 stsp yyerror("invalid port: %lld", $2);
164 17132eaa 2022-08-29 stsp | PORT STRING {
167 17132eaa 2022-08-29 stsp if ((val = getservice($2)) == -1) {
168 17132eaa 2022-08-29 stsp yyerror("invalid port: %s", $2);
174 a596b957 2022-07-14 tracey $$ = val;
178 a596b957 2022-07-14 tracey main : PREFORK NUMBER {
179 a596b957 2022-07-14 tracey gotwebd->prefork_gotwebd = $2;
181 a596b957 2022-07-14 tracey | CHROOT STRING {
182 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->httpd_chroot, $2,
183 a596b957 2022-07-14 tracey sizeof(gotwebd->httpd_chroot));
184 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->httpd_chroot)) {
185 a596b957 2022-07-14 tracey yyerror("%s: httpd_chroot truncated", __func__);
186 a596b957 2022-07-14 tracey free($2);
189 a596b957 2022-07-14 tracey free($2);
191 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
192 a596b957 2022-07-14 tracey gotwebd->fcgi_socket = $2;
194 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
195 a596b957 2022-07-14 tracey gotwebd->unix_socket = $2;
197 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
198 a596b957 2022-07-14 tracey n = snprintf(gotwebd->unix_socket_name,
199 a596b957 2022-07-14 tracey sizeof(gotwebd->unix_socket_name), "%s%s",
200 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
201 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
203 438d0cc3 2022-08-16 op (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
204 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
205 a596b957 2022-07-14 tracey __func__);
206 a596b957 2022-07-14 tracey free($2);
209 a596b957 2022-07-14 tracey free($2);
213 a596b957 2022-07-14 tracey server : SERVER STRING {
214 a596b957 2022-07-14 tracey struct server *srv;
216 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
217 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
218 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
219 a596b957 2022-07-14 tracey free($2);
224 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
225 a596b957 2022-07-14 tracey if (new_srv->fcgi_socket)
226 a596b957 2022-07-14 tracey if (get_addrs(new_srv->fcgi_socket_bind,
227 e087e1f6 2022-08-16 stsp &new_srv->al,
228 a596b957 2022-07-14 tracey new_srv->fcgi_socket_port) == -1) {
229 a596b957 2022-07-14 tracey yyerror("could not get tcp iface "
230 a596b957 2022-07-14 tracey "addrs");
233 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
234 a596b957 2022-07-14 tracey free($2);
236 a596b957 2022-07-14 tracey | SERVER STRING {
237 a596b957 2022-07-14 tracey struct server *srv;
239 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
240 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
241 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
242 a596b957 2022-07-14 tracey free($2);
247 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
248 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
249 a596b957 2022-07-14 tracey free($2);
250 a596b957 2022-07-14 tracey } '{' optnl serveropts2 '}' {
251 73ffdfc0 2022-08-16 stsp if (new_srv->fcgi_socket) {
252 73ffdfc0 2022-08-16 stsp if (get_addrs(new_srv->fcgi_socket_bind,
253 73ffdfc0 2022-08-16 stsp &new_srv->al, new_srv->fcgi_socket_port)
255 73ffdfc0 2022-08-16 stsp yyerror("could not get tcp iface addr");
262 a596b957 2022-07-14 tracey serveropts1 : REPOS_PATH STRING {
263 a596b957 2022-07-14 tracey n = strlcpy(new_srv->repos_path, $2,
264 a596b957 2022-07-14 tracey sizeof(new_srv->repos_path));
265 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->repos_path)) {
266 a596b957 2022-07-14 tracey yyerror("%s: repos_path truncated", __func__);
267 a596b957 2022-07-14 tracey free($2);
270 a596b957 2022-07-14 tracey free($2);
272 a596b957 2022-07-14 tracey | SITE_NAME STRING {
273 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_name, $2,
274 a596b957 2022-07-14 tracey sizeof(new_srv->site_name));
275 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_name)) {
276 a596b957 2022-07-14 tracey yyerror("%s: site_name truncated", __func__);
277 a596b957 2022-07-14 tracey free($2);
280 a596b957 2022-07-14 tracey free($2);
282 a596b957 2022-07-14 tracey | SITE_OWNER STRING {
283 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_owner, $2,
284 a596b957 2022-07-14 tracey sizeof(new_srv->site_owner));
285 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_owner)) {
286 a596b957 2022-07-14 tracey yyerror("%s: site_owner truncated", __func__);
287 a596b957 2022-07-14 tracey free($2);
290 a596b957 2022-07-14 tracey free($2);
292 a596b957 2022-07-14 tracey | SITE_LINK STRING {
293 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_link, $2,
294 a596b957 2022-07-14 tracey sizeof(new_srv->site_link));
295 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_link)) {
296 a596b957 2022-07-14 tracey yyerror("%s: site_link truncated", __func__);
297 a596b957 2022-07-14 tracey free($2);
300 a596b957 2022-07-14 tracey free($2);
302 a596b957 2022-07-14 tracey | LOGO STRING {
303 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
304 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo)) {
305 a596b957 2022-07-14 tracey yyerror("%s: logo truncated", __func__);
306 a596b957 2022-07-14 tracey free($2);
309 a596b957 2022-07-14 tracey free($2);
311 a596b957 2022-07-14 tracey | LOGO_URL STRING {
312 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo_url, $2,
313 a596b957 2022-07-14 tracey sizeof(new_srv->logo_url));
314 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo_url)) {
315 a596b957 2022-07-14 tracey yyerror("%s: logo_url truncated", __func__);
316 a596b957 2022-07-14 tracey free($2);
319 a596b957 2022-07-14 tracey free($2);
321 a596b957 2022-07-14 tracey | CUSTOM_CSS STRING {
322 a596b957 2022-07-14 tracey n = strlcpy(new_srv->custom_css, $2,
323 a596b957 2022-07-14 tracey sizeof(new_srv->custom_css));
324 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->custom_css)) {
325 a596b957 2022-07-14 tracey yyerror("%s: custom_css truncated", __func__);
326 a596b957 2022-07-14 tracey free($2);
329 a596b957 2022-07-14 tracey free($2);
331 17132eaa 2022-08-29 stsp | LISTEN ON STRING fcgiport {
332 17132eaa 2022-08-29 stsp n = strlcpy(new_srv->fcgi_socket_bind, $3,
333 17132eaa 2022-08-29 stsp sizeof(new_srv->fcgi_socket_bind));
334 17132eaa 2022-08-29 stsp if (n >= sizeof(new_srv->fcgi_socket_bind)) {
335 17132eaa 2022-08-29 stsp yyerror("%s: fcgi_socket_bind truncated",
341 17132eaa 2022-08-29 stsp new_srv->fcgi_socket_port = $4;
343 a596b957 2022-07-14 tracey | MAX_REPOS NUMBER {
344 a596b957 2022-07-14 tracey if ($2 > 0)
345 a596b957 2022-07-14 tracey new_srv->max_repos = $2;
347 a596b957 2022-07-14 tracey | SHOW_SITE_OWNER boolean {
348 a596b957 2022-07-14 tracey new_srv->show_site_owner = $2;
350 a596b957 2022-07-14 tracey | SHOW_REPO_OWNER boolean {
351 a596b957 2022-07-14 tracey new_srv->show_repo_owner = $2;
353 a596b957 2022-07-14 tracey | SHOW_REPO_AGE boolean {
354 a596b957 2022-07-14 tracey new_srv->show_repo_age = $2;
356 a596b957 2022-07-14 tracey | SHOW_REPO_DESCRIPTION boolean {
357 a596b957 2022-07-14 tracey new_srv->show_repo_description = $2;
359 a596b957 2022-07-14 tracey | SHOW_REPO_CLONEURL boolean {
360 a596b957 2022-07-14 tracey new_srv->show_repo_cloneurl = $2;
362 a596b957 2022-07-14 tracey | MAX_REPOS_DISPLAY NUMBER {
363 a596b957 2022-07-14 tracey new_srv->max_repos_display = $2;
365 a596b957 2022-07-14 tracey | MAX_COMMITS_DISPLAY NUMBER {
366 a596b957 2022-07-14 tracey if ($2 > 0)
367 a596b957 2022-07-14 tracey new_srv->max_commits_display = $2;
369 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
370 a596b957 2022-07-14 tracey new_srv->fcgi_socket = $2;
372 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
373 a596b957 2022-07-14 tracey new_srv->unix_socket = $2;
375 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
376 a596b957 2022-07-14 tracey n = snprintf(new_srv->unix_socket_name,
377 a596b957 2022-07-14 tracey sizeof(new_srv->unix_socket_name), "%s%s",
378 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
379 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
381 438d0cc3 2022-08-16 op (size_t)n >= sizeof(new_srv->unix_socket_name)) {
382 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
383 a596b957 2022-07-14 tracey __func__);
384 a596b957 2022-07-14 tracey free($2);
387 a596b957 2022-07-14 tracey free($2);
391 a596b957 2022-07-14 tracey serveropts2 : serveropts2 serveropts1 nl
392 a596b957 2022-07-14 tracey | serveropts1 optnl
395 a596b957 2022-07-14 tracey nl : '\n' optnl
398 a596b957 2022-07-14 tracey optnl : '\n' optnl /* zero or more newlines */
399 a596b957 2022-07-14 tracey | /* empty */
404 a596b957 2022-07-14 tracey struct keywords {
405 a596b957 2022-07-14 tracey const char *k_name;
406 a596b957 2022-07-14 tracey int k_val;
410 a596b957 2022-07-14 tracey yyerror(const char *fmt, ...)
412 a596b957 2022-07-14 tracey va_list ap;
413 a596b957 2022-07-14 tracey char *msg;
415 a596b957 2022-07-14 tracey file->errors++;
416 a596b957 2022-07-14 tracey va_start(ap, fmt);
417 a596b957 2022-07-14 tracey if (vasprintf(&msg, fmt, ap) == -1)
418 a596b957 2022-07-14 tracey fatalx("yyerror vasprintf");
419 a596b957 2022-07-14 tracey va_end(ap);
420 a596b957 2022-07-14 tracey logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
421 a596b957 2022-07-14 tracey free(msg);
422 a596b957 2022-07-14 tracey return (0);
426 a596b957 2022-07-14 tracey kw_cmp(const void *k, const void *e)
428 a596b957 2022-07-14 tracey return (strcmp(k, ((const struct keywords *)e)->k_name));
432 a596b957 2022-07-14 tracey lookup(char *s)
434 a596b957 2022-07-14 tracey /* This has to be sorted always. */
435 a596b957 2022-07-14 tracey static const struct keywords keywords[] = {
436 a596b957 2022-07-14 tracey { "chroot", CHROOT },
437 a596b957 2022-07-14 tracey { "custom_css", CUSTOM_CSS },
438 a596b957 2022-07-14 tracey { "fcgi_socket", FCGI_SOCKET },
439 d8473d93 2022-08-11 stsp { "listen", LISTEN },
440 a596b957 2022-07-14 tracey { "logo", LOGO },
441 a596b957 2022-07-14 tracey { "logo_url" , LOGO_URL },
442 a596b957 2022-07-14 tracey { "max_commits_display", MAX_COMMITS_DISPLAY },
443 a596b957 2022-07-14 tracey { "max_repos", MAX_REPOS },
444 a596b957 2022-07-14 tracey { "max_repos_display", MAX_REPOS_DISPLAY },
445 d8473d93 2022-08-11 stsp { "on", ON },
446 a596b957 2022-07-14 tracey { "port", PORT },
447 a596b957 2022-07-14 tracey { "prefork", PREFORK },
448 a596b957 2022-07-14 tracey { "repos_path", REPOS_PATH },
449 a596b957 2022-07-14 tracey { "server", SERVER },
450 a596b957 2022-07-14 tracey { "show_repo_age", SHOW_REPO_AGE },
451 a596b957 2022-07-14 tracey { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
452 a596b957 2022-07-14 tracey { "show_repo_description", SHOW_REPO_DESCRIPTION },
453 a596b957 2022-07-14 tracey { "show_repo_owner", SHOW_REPO_OWNER },
454 a596b957 2022-07-14 tracey { "show_site_owner", SHOW_SITE_OWNER },
455 a596b957 2022-07-14 tracey { "site_link", SITE_LINK },
456 a596b957 2022-07-14 tracey { "site_name", SITE_NAME },
457 a596b957 2022-07-14 tracey { "site_owner", SITE_OWNER },
458 a596b957 2022-07-14 tracey { "unix_socket", UNIX_SOCKET },
459 a596b957 2022-07-14 tracey { "unix_socket_name", UNIX_SOCKET_NAME },
461 a596b957 2022-07-14 tracey const struct keywords *p;
463 a596b957 2022-07-14 tracey p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
464 a596b957 2022-07-14 tracey sizeof(keywords[0]), kw_cmp);
467 a596b957 2022-07-14 tracey return (p->k_val);
469 a596b957 2022-07-14 tracey return (STRING);
472 a596b957 2022-07-14 tracey #define MAXPUSHBACK 128
474 a596b957 2022-07-14 tracey unsigned char *parsebuf;
475 a596b957 2022-07-14 tracey int parseindex;
476 a596b957 2022-07-14 tracey unsigned char pushback_buffer[MAXPUSHBACK];
477 a596b957 2022-07-14 tracey int pushback_index = 0;
480 a596b957 2022-07-14 tracey lgetc(int quotec)
482 a596b957 2022-07-14 tracey int c, next;
484 a596b957 2022-07-14 tracey if (parsebuf) {
485 a596b957 2022-07-14 tracey /* Read character from the parsebuffer instead of input. */
486 a596b957 2022-07-14 tracey if (parseindex >= 0) {
487 a596b957 2022-07-14 tracey c = parsebuf[parseindex++];
488 a596b957 2022-07-14 tracey if (c != '\0')
489 a596b957 2022-07-14 tracey return (c);
490 a596b957 2022-07-14 tracey parsebuf = NULL;
492 a596b957 2022-07-14 tracey parseindex++;
495 a596b957 2022-07-14 tracey if (pushback_index)
496 a596b957 2022-07-14 tracey return (pushback_buffer[--pushback_index]);
498 a596b957 2022-07-14 tracey if (quotec) {
499 a596b957 2022-07-14 tracey c = getc(file->stream);
500 a596b957 2022-07-14 tracey if (c == EOF)
501 a596b957 2022-07-14 tracey yyerror("reached end of file while parsing "
502 a596b957 2022-07-14 tracey "quoted string");
503 a596b957 2022-07-14 tracey return (c);
506 a596b957 2022-07-14 tracey c = getc(file->stream);
507 a596b957 2022-07-14 tracey while (c == '\\') {
508 a596b957 2022-07-14 tracey next = getc(file->stream);
509 a596b957 2022-07-14 tracey if (next != '\n') {
510 a596b957 2022-07-14 tracey c = next;
513 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
514 a596b957 2022-07-14 tracey file->lineno++;
515 a596b957 2022-07-14 tracey c = getc(file->stream);
518 a596b957 2022-07-14 tracey return (c);
522 a596b957 2022-07-14 tracey lungetc(int c)
524 a596b957 2022-07-14 tracey if (c == EOF)
525 a596b957 2022-07-14 tracey return (EOF);
526 a596b957 2022-07-14 tracey if (parsebuf) {
527 a596b957 2022-07-14 tracey parseindex--;
528 a596b957 2022-07-14 tracey if (parseindex >= 0)
529 a596b957 2022-07-14 tracey return (c);
531 a596b957 2022-07-14 tracey if (pushback_index < MAXPUSHBACK-1)
532 a596b957 2022-07-14 tracey return (pushback_buffer[pushback_index++] = c);
534 a596b957 2022-07-14 tracey return (EOF);
538 a596b957 2022-07-14 tracey findeol(void)
542 a596b957 2022-07-14 tracey parsebuf = NULL;
544 a596b957 2022-07-14 tracey /* Skip to either EOF or the first real EOL. */
545 a596b957 2022-07-14 tracey while (1) {
546 a596b957 2022-07-14 tracey if (pushback_index)
547 a596b957 2022-07-14 tracey c = pushback_buffer[--pushback_index];
549 a596b957 2022-07-14 tracey c = lgetc(0);
550 a596b957 2022-07-14 tracey if (c == '\n') {
551 a596b957 2022-07-14 tracey file->lineno++;
554 a596b957 2022-07-14 tracey if (c == EOF)
557 a596b957 2022-07-14 tracey return (ERROR);
561 a596b957 2022-07-14 tracey yylex(void)
563 a596b957 2022-07-14 tracey unsigned char buf[8096];
564 a596b957 2022-07-14 tracey unsigned char *p, *val;
565 a596b957 2022-07-14 tracey int quotec, next, c;
566 a596b957 2022-07-14 tracey int token;
570 a596b957 2022-07-14 tracey c = lgetc(0);
571 a596b957 2022-07-14 tracey while (c == ' ' || c == '\t')
572 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
574 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
575 a596b957 2022-07-14 tracey if (c == '#') {
576 a596b957 2022-07-14 tracey c = lgetc(0);
577 a596b957 2022-07-14 tracey while (c != '\n' && c != EOF)
578 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
580 a596b957 2022-07-14 tracey if (c == '$' && parsebuf == NULL) {
581 a596b957 2022-07-14 tracey while (1) {
582 a596b957 2022-07-14 tracey c = lgetc(0);
583 a596b957 2022-07-14 tracey if (c == EOF)
584 a596b957 2022-07-14 tracey return (0);
586 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
587 a596b957 2022-07-14 tracey yyerror("string too long");
588 a596b957 2022-07-14 tracey return (findeol());
590 a596b957 2022-07-14 tracey if (isalnum(c) || c == '_') {
591 a596b957 2022-07-14 tracey *p++ = c;
592 a596b957 2022-07-14 tracey continue;
594 a596b957 2022-07-14 tracey *p = '\0';
595 a596b957 2022-07-14 tracey lungetc(c);
598 a596b957 2022-07-14 tracey val = symget(buf);
599 a596b957 2022-07-14 tracey if (val == NULL) {
600 a596b957 2022-07-14 tracey yyerror("macro '%s' not defined", buf);
601 a596b957 2022-07-14 tracey return (findeol());
603 a596b957 2022-07-14 tracey parsebuf = val;
604 a596b957 2022-07-14 tracey parseindex = 0;
605 a596b957 2022-07-14 tracey goto top;
608 a596b957 2022-07-14 tracey switch (c) {
609 a596b957 2022-07-14 tracey case '\'':
610 a596b957 2022-07-14 tracey case '"':
611 a596b957 2022-07-14 tracey quotec = c;
612 a596b957 2022-07-14 tracey while (1) {
613 a596b957 2022-07-14 tracey c = lgetc(quotec);
614 a596b957 2022-07-14 tracey if (c == EOF)
615 a596b957 2022-07-14 tracey return (0);
616 a596b957 2022-07-14 tracey if (c == '\n') {
617 a596b957 2022-07-14 tracey file->lineno++;
618 a596b957 2022-07-14 tracey continue;
619 a596b957 2022-07-14 tracey } else if (c == '\\') {
620 a596b957 2022-07-14 tracey next = lgetc(quotec);
621 a596b957 2022-07-14 tracey if (next == EOF)
622 a596b957 2022-07-14 tracey return (0);
623 a596b957 2022-07-14 tracey if (next == quotec || c == ' ' || c == '\t')
624 a596b957 2022-07-14 tracey c = next;
625 a596b957 2022-07-14 tracey else if (next == '\n') {
626 a596b957 2022-07-14 tracey file->lineno++;
627 a596b957 2022-07-14 tracey continue;
629 a596b957 2022-07-14 tracey lungetc(next);
630 a596b957 2022-07-14 tracey } else if (c == quotec) {
631 a596b957 2022-07-14 tracey *p = '\0';
633 a596b957 2022-07-14 tracey } else if (c == '\0') {
634 a596b957 2022-07-14 tracey yyerror("syntax error");
635 a596b957 2022-07-14 tracey return (findeol());
637 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
638 a596b957 2022-07-14 tracey yyerror("string too long");
639 a596b957 2022-07-14 tracey return (findeol());
641 a596b957 2022-07-14 tracey *p++ = c;
643 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
644 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
645 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
646 a596b957 2022-07-14 tracey return (STRING);
649 a596b957 2022-07-14 tracey #define allowed_to_end_number(x) \
650 a596b957 2022-07-14 tracey (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
652 a596b957 2022-07-14 tracey if (c == '-' || isdigit(c)) {
654 a596b957 2022-07-14 tracey *p++ = c;
655 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
656 a596b957 2022-07-14 tracey yyerror("string too long");
657 a596b957 2022-07-14 tracey return (findeol());
659 a596b957 2022-07-14 tracey c = lgetc(0);
660 a596b957 2022-07-14 tracey } while (c != EOF && isdigit(c));
661 a596b957 2022-07-14 tracey lungetc(c);
662 a596b957 2022-07-14 tracey if (p == buf + 1 && buf[0] == '-')
663 a596b957 2022-07-14 tracey goto nodigits;
664 a596b957 2022-07-14 tracey if (c == EOF || allowed_to_end_number(c)) {
665 a596b957 2022-07-14 tracey const char *errstr = NULL;
667 a596b957 2022-07-14 tracey *p = '\0';
668 a596b957 2022-07-14 tracey yylval.v.number = strtonum(buf, LLONG_MIN,
669 a596b957 2022-07-14 tracey LLONG_MAX, &errstr);
670 a596b957 2022-07-14 tracey if (errstr) {
671 a596b957 2022-07-14 tracey yyerror("\"%s\" invalid number: %s",
672 a596b957 2022-07-14 tracey buf, errstr);
673 a596b957 2022-07-14 tracey return (findeol());
675 a596b957 2022-07-14 tracey return (NUMBER);
677 a596b957 2022-07-14 tracey nodigits:
678 a596b957 2022-07-14 tracey while (p > buf + 1)
679 a596b957 2022-07-14 tracey lungetc(*--p);
680 a596b957 2022-07-14 tracey c = *--p;
681 a596b957 2022-07-14 tracey if (c == '-')
682 a596b957 2022-07-14 tracey return (c);
686 a596b957 2022-07-14 tracey #define allowed_in_string(x) \
687 a596b957 2022-07-14 tracey (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
688 a596b957 2022-07-14 tracey x != '{' && x != '}' && \
689 a596b957 2022-07-14 tracey x != '!' && x != '=' && x != '#' && \
690 a596b957 2022-07-14 tracey x != ','))
692 a596b957 2022-07-14 tracey if (isalnum(c) || c == ':' || c == '_') {
694 a596b957 2022-07-14 tracey *p++ = c;
695 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
696 a596b957 2022-07-14 tracey yyerror("string too long");
697 a596b957 2022-07-14 tracey return (findeol());
699 a596b957 2022-07-14 tracey c = lgetc(0);
700 a596b957 2022-07-14 tracey } while (c != EOF && (allowed_in_string(c)));
701 a596b957 2022-07-14 tracey lungetc(c);
702 a596b957 2022-07-14 tracey *p = '\0';
703 a596b957 2022-07-14 tracey token = lookup(buf);
704 a596b957 2022-07-14 tracey if (token == STRING) {
705 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
706 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
707 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
709 a596b957 2022-07-14 tracey return (token);
711 a596b957 2022-07-14 tracey if (c == '\n') {
712 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
713 a596b957 2022-07-14 tracey file->lineno++;
715 a596b957 2022-07-14 tracey if (c == EOF)
716 a596b957 2022-07-14 tracey return (0);
717 a596b957 2022-07-14 tracey return (c);
721 a596b957 2022-07-14 tracey check_file_secrecy(int fd, const char *fname)
723 a596b957 2022-07-14 tracey struct stat st;
725 a596b957 2022-07-14 tracey if (fstat(fd, &st)) {
726 a596b957 2022-07-14 tracey log_warn("cannot stat %s", fname);
727 a596b957 2022-07-14 tracey return (-1);
729 a596b957 2022-07-14 tracey if (st.st_uid != 0 && st.st_uid != getuid()) {
730 a596b957 2022-07-14 tracey log_warnx("%s: owner not root or current user", fname);
731 a596b957 2022-07-14 tracey return (-1);
733 a596b957 2022-07-14 tracey if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
734 a596b957 2022-07-14 tracey log_warnx("%s: group writable or world read/writable", fname);
735 a596b957 2022-07-14 tracey return (-1);
737 a596b957 2022-07-14 tracey return (0);
740 a596b957 2022-07-14 tracey struct file *
741 a596b957 2022-07-14 tracey newfile(const char *name, int secret)
743 a596b957 2022-07-14 tracey struct file *nfile;
745 a596b957 2022-07-14 tracey nfile = calloc(1, sizeof(struct file));
746 a596b957 2022-07-14 tracey if (nfile == NULL) {
747 a596b957 2022-07-14 tracey log_warn("calloc");
748 a596b957 2022-07-14 tracey return (NULL);
750 a596b957 2022-07-14 tracey nfile->name = strdup(name);
751 a596b957 2022-07-14 tracey if (nfile->name == NULL) {
752 a596b957 2022-07-14 tracey log_warn("strdup");
753 a596b957 2022-07-14 tracey free(nfile);
754 a596b957 2022-07-14 tracey return (NULL);
756 a596b957 2022-07-14 tracey nfile->stream = fopen(nfile->name, "r");
757 a596b957 2022-07-14 tracey if (nfile->stream == NULL) {
758 a596b957 2022-07-14 tracey /* no warning, we don't require a conf file */
759 a596b957 2022-07-14 tracey free(nfile->name);
760 a596b957 2022-07-14 tracey free(nfile);
761 a596b957 2022-07-14 tracey return (NULL);
762 a596b957 2022-07-14 tracey } else if (secret &&
763 a596b957 2022-07-14 tracey check_file_secrecy(fileno(nfile->stream), nfile->name)) {
764 a596b957 2022-07-14 tracey fclose(nfile->stream);
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);
769 a596b957 2022-07-14 tracey nfile->lineno = 1;
770 a596b957 2022-07-14 tracey return (nfile);
773 a596b957 2022-07-14 tracey static void
774 a596b957 2022-07-14 tracey closefile(struct file *xfile)
776 a596b957 2022-07-14 tracey fclose(xfile->stream);
777 a596b957 2022-07-14 tracey free(xfile->name);
778 a596b957 2022-07-14 tracey free(xfile);
781 a0037b73 2022-08-03 stsp static void
782 a0037b73 2022-08-03 stsp add_default_server(void)
784 a0037b73 2022-08-03 stsp new_srv = conf_new_server(D_SITENAME);
785 a0037b73 2022-08-03 stsp log_debug("%s: adding default server %s", __func__, D_SITENAME);
789 a596b957 2022-07-14 tracey parse_config(const char *filename, struct gotwebd *env)
791 a596b957 2022-07-14 tracey struct sym *sym, *next;
793 a596b957 2022-07-14 tracey if (config_init(env) == -1)
794 a596b957 2022-07-14 tracey fatalx("failed to initialize configuration");
796 a596b957 2022-07-14 tracey gotwebd = env;
798 a0037b73 2022-08-03 stsp file = newfile(filename, 0);
799 a0037b73 2022-08-03 stsp if (file == NULL) {
800 a0037b73 2022-08-03 stsp add_default_server();
801 a0037b73 2022-08-03 stsp sockets_parse_sockets(env);
802 a0037b73 2022-08-03 stsp /* just return, as we don't require a conf file */
803 a0037b73 2022-08-03 stsp return (0);
806 a596b957 2022-07-14 tracey yyparse();
807 a596b957 2022-07-14 tracey errors = file->errors;
808 a596b957 2022-07-14 tracey closefile(file);
810 a596b957 2022-07-14 tracey /* Free macros and check which have not been used. */
811 a596b957 2022-07-14 tracey TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
812 a596b957 2022-07-14 tracey if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
813 a596b957 2022-07-14 tracey fprintf(stderr, "warning: macro '%s' not used\n",
814 a596b957 2022-07-14 tracey sym->nam);
815 a596b957 2022-07-14 tracey if (!sym->persist) {
816 a596b957 2022-07-14 tracey free(sym->nam);
817 a596b957 2022-07-14 tracey free(sym->val);
818 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
819 a596b957 2022-07-14 tracey free(sym);
823 a596b957 2022-07-14 tracey if (errors)
824 a596b957 2022-07-14 tracey return (-1);
826 a596b957 2022-07-14 tracey /* just add default server if no config specified */
827 a0037b73 2022-08-03 stsp if (gotwebd->server_cnt == 0)
828 a0037b73 2022-08-03 stsp add_default_server();
830 a596b957 2022-07-14 tracey /* setup our listening sockets */
831 a596b957 2022-07-14 tracey sockets_parse_sockets(env);
833 a596b957 2022-07-14 tracey return (0);
836 a596b957 2022-07-14 tracey struct server *
837 a596b957 2022-07-14 tracey conf_new_server(const char *name)
839 a596b957 2022-07-14 tracey struct server *srv = NULL;
842 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
843 a596b957 2022-07-14 tracey if (srv == NULL)
844 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
846 a596b957 2022-07-14 tracey n = strlcpy(srv->name, name, sizeof(srv->name));
847 a596b957 2022-07-14 tracey if (n >= sizeof(srv->name))
848 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
849 a596b957 2022-07-14 tracey n = snprintf(srv->unix_socket_name,
850 a596b957 2022-07-14 tracey sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
851 a596b957 2022-07-14 tracey D_UNIX_SOCKET);
852 438d0cc3 2022-08-16 op if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
853 a596b957 2022-07-14 tracey fatalx("%s: snprintf", __func__);
854 a596b957 2022-07-14 tracey n = strlcpy(srv->repos_path, D_GOTPATH,
855 a596b957 2022-07-14 tracey sizeof(srv->repos_path));
856 a596b957 2022-07-14 tracey if (n >= sizeof(srv->repos_path))
857 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
858 a596b957 2022-07-14 tracey n = strlcpy(srv->site_name, D_SITENAME,
859 a596b957 2022-07-14 tracey sizeof(srv->site_name));
860 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_name))
861 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
862 a596b957 2022-07-14 tracey n = strlcpy(srv->site_owner, D_SITEOWNER,
863 a596b957 2022-07-14 tracey sizeof(srv->site_owner));
864 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_owner))
865 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
866 a596b957 2022-07-14 tracey n = strlcpy(srv->site_link, D_SITELINK,
867 a596b957 2022-07-14 tracey sizeof(srv->site_link));
868 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_link))
869 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
870 a596b957 2022-07-14 tracey n = strlcpy(srv->logo, D_GOTLOGO,
871 a596b957 2022-07-14 tracey sizeof(srv->logo));
872 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo))
873 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
874 a596b957 2022-07-14 tracey n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
875 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo_url))
876 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
877 a596b957 2022-07-14 tracey n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
878 a596b957 2022-07-14 tracey if (n >= sizeof(srv->custom_css))
879 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
881 a596b957 2022-07-14 tracey val = getservice(D_FCGI_PORT);
882 a596b957 2022-07-14 tracey srv->fcgi_socket_port = gotwebd->fcgi_socket_port ?
883 d72940a3 2022-08-19 stsp gotwebd->fcgi_socket_port: val;
885 a596b957 2022-07-14 tracey srv->show_site_owner = D_SHOWSOWNER;
886 a596b957 2022-07-14 tracey srv->show_repo_owner = D_SHOWROWNER;
887 a596b957 2022-07-14 tracey srv->show_repo_age = D_SHOWAGE;
888 a596b957 2022-07-14 tracey srv->show_repo_description = D_SHOWDESC;
889 a596b957 2022-07-14 tracey srv->show_repo_cloneurl = D_SHOWURL;
891 a596b957 2022-07-14 tracey srv->max_repos_display = D_MAXREPODISP;
892 a596b957 2022-07-14 tracey srv->max_commits_display = D_MAXCOMMITDISP;
893 a596b957 2022-07-14 tracey srv->max_repos = D_MAXREPO;
895 a596b957 2022-07-14 tracey srv->unix_socket = 1;
896 a596b957 2022-07-14 tracey srv->fcgi_socket = gotwebd->fcgi_socket ? gotwebd->fcgi_socket : 0;
898 e087e1f6 2022-08-16 stsp TAILQ_INIT(&srv->al);
899 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
900 a596b957 2022-07-14 tracey gotwebd->server_cnt++;
902 a596b957 2022-07-14 tracey return srv;
906 a596b957 2022-07-14 tracey symset(const char *nam, const char *val, int persist)
908 a596b957 2022-07-14 tracey struct sym *sym;
910 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
911 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0)
915 a596b957 2022-07-14 tracey if (sym != NULL) {
916 a596b957 2022-07-14 tracey if (sym->persist == 1)
917 a596b957 2022-07-14 tracey return (0);
919 a596b957 2022-07-14 tracey free(sym->nam);
920 a596b957 2022-07-14 tracey free(sym->val);
921 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
922 a596b957 2022-07-14 tracey free(sym);
925 a596b957 2022-07-14 tracey sym = calloc(1, sizeof(*sym));
926 a596b957 2022-07-14 tracey if (sym == NULL)
927 a596b957 2022-07-14 tracey return (-1);
929 a596b957 2022-07-14 tracey sym->nam = strdup(nam);
930 a596b957 2022-07-14 tracey if (sym->nam == NULL) {
931 a596b957 2022-07-14 tracey free(sym);
932 a596b957 2022-07-14 tracey return (-1);
934 a596b957 2022-07-14 tracey sym->val = strdup(val);
935 a596b957 2022-07-14 tracey if (sym->val == NULL) {
936 a596b957 2022-07-14 tracey free(sym->nam);
937 a596b957 2022-07-14 tracey free(sym);
938 a596b957 2022-07-14 tracey return (-1);
940 a596b957 2022-07-14 tracey sym->used = 0;
941 a596b957 2022-07-14 tracey sym->persist = persist;
942 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(&symhead, sym, entry);
943 a596b957 2022-07-14 tracey return (0);
947 a596b957 2022-07-14 tracey cmdline_symset(char *s)
949 a596b957 2022-07-14 tracey char *sym, *val;
951 a596b957 2022-07-14 tracey size_t len;
953 a596b957 2022-07-14 tracey val = strrchr(s, '=');
954 a596b957 2022-07-14 tracey if (val == NULL)
955 a596b957 2022-07-14 tracey return (-1);
957 a596b957 2022-07-14 tracey len = strlen(s) - strlen(val) + 1;
958 a596b957 2022-07-14 tracey sym = malloc(len);
959 a596b957 2022-07-14 tracey if (sym == NULL)
960 a596b957 2022-07-14 tracey fatal("%s: malloc", __func__);
962 a596b957 2022-07-14 tracey memcpy(&sym, s, len);
964 a596b957 2022-07-14 tracey ret = symset(sym, val + 1, 1);
965 a596b957 2022-07-14 tracey free(sym);
967 a596b957 2022-07-14 tracey return (ret);
971 a596b957 2022-07-14 tracey symget(const char *nam)
973 a596b957 2022-07-14 tracey struct sym *sym;
975 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
976 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0) {
977 a596b957 2022-07-14 tracey sym->used = 1;
978 a596b957 2022-07-14 tracey return (sym->val);
981 a596b957 2022-07-14 tracey return (NULL);
985 a596b957 2022-07-14 tracey getservice(const char *n)
987 a596b957 2022-07-14 tracey struct servent *s;
988 a596b957 2022-07-14 tracey const char *errstr;
989 a596b957 2022-07-14 tracey long long llval;
991 a596b957 2022-07-14 tracey llval = strtonum(n, 0, UINT16_MAX, &errstr);
992 a596b957 2022-07-14 tracey if (errstr) {
993 a596b957 2022-07-14 tracey s = getservbyname(n, "tcp");
994 a596b957 2022-07-14 tracey if (s == NULL)
995 a596b957 2022-07-14 tracey s = getservbyname(n, "udp");
996 a596b957 2022-07-14 tracey if (s == NULL)
997 a596b957 2022-07-14 tracey return (-1);
998 859aa9f4 2022-08-19 stsp return ntohs(s->s_port);
1001 859aa9f4 2022-08-19 stsp return (unsigned short)llval;
1004 a596b957 2022-07-14 tracey struct address *
1005 a596b957 2022-07-14 tracey host_v4(const char *s)
1007 a596b957 2022-07-14 tracey struct in_addr ina;
1008 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1009 a596b957 2022-07-14 tracey struct address *h;
1011 a596b957 2022-07-14 tracey memset(&ina, 0, sizeof(ina));
1012 a596b957 2022-07-14 tracey if (inet_pton(AF_INET, s, &ina) != 1)
1013 a596b957 2022-07-14 tracey return (NULL);
1015 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1016 a596b957 2022-07-14 tracey fatal(__func__);
1017 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1018 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ina);
1019 a596b957 2022-07-14 tracey if (sain->sin_addr.s_addr == INADDR_ANY)
1020 a596b957 2022-07-14 tracey h->prefixlen = 0; /* 0.0.0.0 address */
1022 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1023 a596b957 2022-07-14 tracey return (h);
1026 a596b957 2022-07-14 tracey struct address *
1027 a596b957 2022-07-14 tracey host_v6(const char *s)
1029 a596b957 2022-07-14 tracey struct addrinfo hints, *res;
1030 86b4b772 2022-07-29 stsp struct sockaddr_in6 *sa_in6, *ra;
1031 a596b957 2022-07-14 tracey struct address *h = NULL;
1033 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1034 a596b957 2022-07-14 tracey hints.ai_family = AF_INET6;
1035 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* dummy */
1036 a596b957 2022-07-14 tracey hints.ai_flags = AI_NUMERICHOST;
1037 a596b957 2022-07-14 tracey if (getaddrinfo(s, "0", &hints, &res) == 0) {
1038 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1039 a596b957 2022-07-14 tracey fatal(__func__);
1040 a596b957 2022-07-14 tracey sa_in6 = (struct sockaddr_in6 *)&h->ss;
1041 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1042 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1043 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1044 a596b957 2022-07-14 tracey if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1045 a596b957 2022-07-14 tracey sizeof(sa_in6->sin6_addr)) == 0)
1046 a596b957 2022-07-14 tracey h->prefixlen = 0; /* any address */
1048 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1049 a596b957 2022-07-14 tracey freeaddrinfo(res);
1052 a596b957 2022-07-14 tracey return (h);
1056 a596b957 2022-07-14 tracey host_dns(const char *s, struct addresslist *al, int max,
1057 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1059 a596b957 2022-07-14 tracey struct addrinfo hints, *res0, *res;
1060 a596b957 2022-07-14 tracey int error, cnt = 0;
1061 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1062 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1063 a596b957 2022-07-14 tracey struct address *h;
1065 a596b957 2022-07-14 tracey if ((cnt = host_if(s, al, max, port, ifname, ipproto)) != 0)
1066 a596b957 2022-07-14 tracey return (cnt);
1068 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1069 a596b957 2022-07-14 tracey hints.ai_family = PF_UNSPEC;
1070 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1071 a596b957 2022-07-14 tracey hints.ai_flags = AI_ADDRCONFIG;
1072 a596b957 2022-07-14 tracey error = getaddrinfo(s, NULL, &hints, &res0);
1073 a596b957 2022-07-14 tracey if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1074 a596b957 2022-07-14 tracey return (0);
1075 a596b957 2022-07-14 tracey if (error) {
1076 a596b957 2022-07-14 tracey log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1077 a596b957 2022-07-14 tracey gai_strerror(error));
1078 a596b957 2022-07-14 tracey return (-1);
1081 a596b957 2022-07-14 tracey for (res = res0; res && cnt < max; res = res->ai_next) {
1082 a596b957 2022-07-14 tracey if (res->ai_family != AF_INET &&
1083 a596b957 2022-07-14 tracey res->ai_family != AF_INET6)
1084 a596b957 2022-07-14 tracey continue;
1085 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1086 a596b957 2022-07-14 tracey fatal(__func__);
1088 a596b957 2022-07-14 tracey if (port)
1089 a596b957 2022-07-14 tracey h->port = port;
1090 a596b957 2022-07-14 tracey if (ifname != NULL) {
1091 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1092 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1093 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1094 a596b957 2022-07-14 tracey __func__);
1095 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1096 a596b957 2022-07-14 tracey free(h);
1097 a596b957 2022-07-14 tracey return (-1);
1100 a596b957 2022-07-14 tracey if (ipproto != -1)
1101 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1102 a596b957 2022-07-14 tracey h->ss.ss_family = res->ai_family;
1103 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1105 a596b957 2022-07-14 tracey if (res->ai_family == AF_INET) {
1106 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1107 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1108 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)res->ai_addr;
1109 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1110 a596b957 2022-07-14 tracey } else {
1111 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1112 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1113 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1114 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1117 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1120 a596b957 2022-07-14 tracey if (cnt == max && res) {
1121 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1122 a596b957 2022-07-14 tracey s, max);
1124 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1125 a596b957 2022-07-14 tracey return (cnt);
1129 a596b957 2022-07-14 tracey host_if(const char *s, struct addresslist *al, int max,
1130 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1132 a596b957 2022-07-14 tracey struct ifaddrs *ifap, *p;
1133 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1134 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1135 a596b957 2022-07-14 tracey struct address *h;
1136 a596b957 2022-07-14 tracey int cnt = 0, af;
1138 a596b957 2022-07-14 tracey if (getifaddrs(&ifap) == -1)
1139 a596b957 2022-07-14 tracey fatal("getifaddrs");
1141 a596b957 2022-07-14 tracey /* First search for IPv4 addresses */
1142 a596b957 2022-07-14 tracey af = AF_INET;
1145 a596b957 2022-07-14 tracey for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1146 a596b957 2022-07-14 tracey if (p->ifa_addr == NULL ||
1147 a596b957 2022-07-14 tracey p->ifa_addr->sa_family != af ||
1148 a596b957 2022-07-14 tracey (strcmp(s, p->ifa_name) != 0 &&
1149 a596b957 2022-07-14 tracey !is_if_in_group(p->ifa_name, s)))
1150 a596b957 2022-07-14 tracey continue;
1151 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1152 a596b957 2022-07-14 tracey fatal("calloc");
1154 a596b957 2022-07-14 tracey if (port)
1155 a596b957 2022-07-14 tracey h->port = port;
1156 a596b957 2022-07-14 tracey if (ifname != NULL) {
1157 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1158 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1159 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1160 a596b957 2022-07-14 tracey __func__);
1161 a596b957 2022-07-14 tracey free(h);
1162 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1163 a596b957 2022-07-14 tracey return (-1);
1166 a596b957 2022-07-14 tracey if (ipproto != -1)
1167 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1168 a596b957 2022-07-14 tracey h->ss.ss_family = af;
1169 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1171 a596b957 2022-07-14 tracey if (af == AF_INET) {
1172 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1173 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1174 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)p->ifa_addr;
1175 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1176 a596b957 2022-07-14 tracey } else {
1177 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1178 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1179 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)p->ifa_addr;
1180 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1181 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1184 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
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 a596b957 2022-07-14 tracey host(const char *s, struct addresslist *al, 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 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1229 a596b957 2022-07-14 tracey return (1);
1232 a596b957 2022-07-14 tracey return (host_dns(s, al, max, port, ifname, ipproto));
1236 a596b957 2022-07-14 tracey is_if_in_group(const char *ifname, const char *groupname)
1238 a596b957 2022-07-14 tracey unsigned int len;
1239 a596b957 2022-07-14 tracey struct ifgroupreq ifgr;
1240 a596b957 2022-07-14 tracey struct ifg_req *ifg;
1242 a596b957 2022-07-14 tracey int ret = 0;
1244 a596b957 2022-07-14 tracey if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1245 a596b957 2022-07-14 tracey err(1, "socket");
1247 a596b957 2022-07-14 tracey memset(&ifgr, 0, sizeof(ifgr));
1248 a596b957 2022-07-14 tracey if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1249 a596b957 2022-07-14 tracey err(1, "IFNAMSIZ");
1250 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1251 a596b957 2022-07-14 tracey if (errno == EINVAL || errno == ENOTTY)
1252 a596b957 2022-07-14 tracey goto end;
1253 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1256 a596b957 2022-07-14 tracey len = ifgr.ifgr_len;
1257 a596b957 2022-07-14 tracey ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1258 a596b957 2022-07-14 tracey sizeof(struct ifg_req));
1259 a596b957 2022-07-14 tracey if (ifgr.ifgr_groups == NULL)
1260 a596b957 2022-07-14 tracey err(1, "getifgroups");
1261 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1262 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1264 a596b957 2022-07-14 tracey ifg = ifgr.ifgr_groups;
1265 a596b957 2022-07-14 tracey for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1266 a596b957 2022-07-14 tracey len -= sizeof(struct ifg_req);
1267 a596b957 2022-07-14 tracey if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1268 a596b957 2022-07-14 tracey ret = 1;
1272 a596b957 2022-07-14 tracey free(ifgr.ifgr_groups);
1275 a596b957 2022-07-14 tracey close(s);
1276 a596b957 2022-07-14 tracey return (ret);
1280 a596b957 2022-07-14 tracey get_addrs(const char *addr, struct addresslist *al, in_port_t port)
1282 a596b957 2022-07-14 tracey if (strcmp("", addr) == 0) {
1283 2fb25d87 2022-08-19 stsp if (host("127.0.0.1", al, 1, port, "127.0.0.1", -1) <= 0) {
1284 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s",
1285 2fb25d87 2022-08-19 stsp "127.0.0.1");
1286 a596b957 2022-07-14 tracey return (-1);
1288 2fb25d87 2022-08-19 stsp if (host("::1", al, 1, port, "::1", -1) <= 0) {
1289 2fb25d87 2022-08-19 stsp yyerror("invalid listen ip: %s", "::1");
1290 a596b957 2022-07-14 tracey return (-1);
1292 a596b957 2022-07-14 tracey } else {
1293 a596b957 2022-07-14 tracey if (host(addr, al, GOTWEBD_MAXIFACE, port, addr,
1294 a596b957 2022-07-14 tracey -1) <= 0) {
1295 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", addr);
1296 a596b957 2022-07-14 tracey return (-1);
1299 a596b957 2022-07-14 tracey return (0);
