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 a596b957 2022-07-14 tracey %token BIND INTERFACE 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 a596b957 2022-07-14 tracey fcgiport : NUMBER {
158 a596b957 2022-07-14 tracey if ($1 <= 0 || $1 > (int)USHRT_MAX) {
159 a596b957 2022-07-14 tracey yyerror("invalid port: %lld", $1);
162 a596b957 2022-07-14 tracey $$ = htons($1);
164 a596b957 2022-07-14 tracey | STRING {
167 a596b957 2022-07-14 tracey if ((val = getservice($1)) == -1) {
168 a596b957 2022-07-14 tracey yyerror("invalid port: %s", $1);
169 a596b957 2022-07-14 tracey free($1);
172 a596b957 2022-07-14 tracey free($1);
174 a596b957 2022-07-14 tracey $$ = 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 | FCGI_SOCKET boolean {
195 a596b957 2022-07-14 tracey gotwebd->fcgi_socket = $2;
196 a596b957 2022-07-14 tracey } '{' optnl socketopts4 '}'
197 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
198 a596b957 2022-07-14 tracey gotwebd->unix_socket = $2;
200 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
201 a596b957 2022-07-14 tracey n = snprintf(gotwebd->unix_socket_name,
202 a596b957 2022-07-14 tracey sizeof(gotwebd->unix_socket_name), "%s%s",
203 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
204 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
205 a596b957 2022-07-14 tracey if (n < 0) {
206 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
207 a596b957 2022-07-14 tracey __func__);
208 a596b957 2022-07-14 tracey free($2);
211 a596b957 2022-07-14 tracey free($2);
215 a596b957 2022-07-14 tracey server : SERVER STRING {
216 a596b957 2022-07-14 tracey struct server *srv;
218 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
219 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
220 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
221 a596b957 2022-07-14 tracey free($2);
226 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
227 a596b957 2022-07-14 tracey if (new_srv->fcgi_socket)
228 a596b957 2022-07-14 tracey if (get_addrs(new_srv->fcgi_socket_bind,
229 a596b957 2022-07-14 tracey new_srv->al,
230 a596b957 2022-07-14 tracey new_srv->fcgi_socket_port) == -1) {
231 a596b957 2022-07-14 tracey yyerror("could not get tcp iface "
232 a596b957 2022-07-14 tracey "addrs");
235 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
236 a596b957 2022-07-14 tracey free($2);
238 a596b957 2022-07-14 tracey | SERVER STRING {
239 a596b957 2022-07-14 tracey struct server *srv;
241 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
242 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
243 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
244 a596b957 2022-07-14 tracey free($2);
249 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
250 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
251 a596b957 2022-07-14 tracey free($2);
252 a596b957 2022-07-14 tracey } '{' optnl serveropts2 '}' {
253 a596b957 2022-07-14 tracey if (get_addrs(new_srv->fcgi_socket_bind,
254 a596b957 2022-07-14 tracey new_srv->al, new_srv->fcgi_socket_port) == -1) {
255 a596b957 2022-07-14 tracey yyerror("could not get tcp iface addrs");
261 a596b957 2022-07-14 tracey serveropts1 : REPOS_PATH STRING {
262 a596b957 2022-07-14 tracey n = strlcpy(new_srv->repos_path, $2,
263 a596b957 2022-07-14 tracey sizeof(new_srv->repos_path));
264 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->repos_path)) {
265 a596b957 2022-07-14 tracey yyerror("%s: repos_path truncated", __func__);
266 a596b957 2022-07-14 tracey free($2);
269 a596b957 2022-07-14 tracey free($2);
271 a596b957 2022-07-14 tracey | SITE_NAME STRING {
272 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_name, $2,
273 a596b957 2022-07-14 tracey sizeof(new_srv->site_name));
274 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_name)) {
275 a596b957 2022-07-14 tracey yyerror("%s: site_name truncated", __func__);
276 a596b957 2022-07-14 tracey free($2);
279 a596b957 2022-07-14 tracey free($2);
281 a596b957 2022-07-14 tracey | SITE_OWNER STRING {
282 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_owner, $2,
283 a596b957 2022-07-14 tracey sizeof(new_srv->site_owner));
284 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_owner)) {
285 a596b957 2022-07-14 tracey yyerror("%s: site_owner truncated", __func__);
286 a596b957 2022-07-14 tracey free($2);
289 a596b957 2022-07-14 tracey free($2);
291 a596b957 2022-07-14 tracey | SITE_LINK STRING {
292 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_link, $2,
293 a596b957 2022-07-14 tracey sizeof(new_srv->site_link));
294 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_link)) {
295 a596b957 2022-07-14 tracey yyerror("%s: site_link truncated", __func__);
296 a596b957 2022-07-14 tracey free($2);
299 a596b957 2022-07-14 tracey free($2);
301 a596b957 2022-07-14 tracey | LOGO STRING {
302 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
303 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo)) {
304 a596b957 2022-07-14 tracey yyerror("%s: logo truncated", __func__);
305 a596b957 2022-07-14 tracey free($2);
308 a596b957 2022-07-14 tracey free($2);
310 a596b957 2022-07-14 tracey | LOGO_URL STRING {
311 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo_url, $2,
312 a596b957 2022-07-14 tracey sizeof(new_srv->logo_url));
313 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo_url)) {
314 a596b957 2022-07-14 tracey yyerror("%s: logo_url truncated", __func__);
315 a596b957 2022-07-14 tracey free($2);
318 a596b957 2022-07-14 tracey free($2);
320 a596b957 2022-07-14 tracey | CUSTOM_CSS STRING {
321 a596b957 2022-07-14 tracey n = strlcpy(new_srv->custom_css, $2,
322 a596b957 2022-07-14 tracey sizeof(new_srv->custom_css));
323 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->custom_css)) {
324 a596b957 2022-07-14 tracey yyerror("%s: custom_css truncated", __func__);
325 a596b957 2022-07-14 tracey free($2);
328 a596b957 2022-07-14 tracey free($2);
330 a596b957 2022-07-14 tracey | MAX_REPOS NUMBER {
331 a596b957 2022-07-14 tracey if ($2 > 0)
332 a596b957 2022-07-14 tracey new_srv->max_repos = $2;
334 a596b957 2022-07-14 tracey | SHOW_SITE_OWNER boolean {
335 a596b957 2022-07-14 tracey new_srv->show_site_owner = $2;
337 a596b957 2022-07-14 tracey | SHOW_REPO_OWNER boolean {
338 a596b957 2022-07-14 tracey new_srv->show_repo_owner = $2;
340 a596b957 2022-07-14 tracey | SHOW_REPO_AGE boolean {
341 a596b957 2022-07-14 tracey new_srv->show_repo_age = $2;
343 a596b957 2022-07-14 tracey | SHOW_REPO_DESCRIPTION boolean {
344 a596b957 2022-07-14 tracey new_srv->show_repo_description = $2;
346 a596b957 2022-07-14 tracey | SHOW_REPO_CLONEURL boolean {
347 a596b957 2022-07-14 tracey new_srv->show_repo_cloneurl = $2;
349 a596b957 2022-07-14 tracey | MAX_REPOS_DISPLAY NUMBER {
350 a596b957 2022-07-14 tracey new_srv->max_repos_display = $2;
352 a596b957 2022-07-14 tracey | MAX_COMMITS_DISPLAY NUMBER {
353 a596b957 2022-07-14 tracey if ($2 > 0)
354 a596b957 2022-07-14 tracey new_srv->max_commits_display = $2;
356 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
357 a596b957 2022-07-14 tracey new_srv->fcgi_socket = $2;
359 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
360 a596b957 2022-07-14 tracey new_srv->fcgi_socket = $2;
361 a596b957 2022-07-14 tracey } '{' optnl socketopts2 '}'
362 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
363 a596b957 2022-07-14 tracey new_srv->unix_socket = $2;
365 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
366 a596b957 2022-07-14 tracey n = snprintf(new_srv->unix_socket_name,
367 a596b957 2022-07-14 tracey sizeof(new_srv->unix_socket_name), "%s%s",
368 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
369 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
370 a596b957 2022-07-14 tracey if (n < 0) {
371 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
372 a596b957 2022-07-14 tracey __func__);
373 a596b957 2022-07-14 tracey free($2);
376 a596b957 2022-07-14 tracey free($2);
380 a596b957 2022-07-14 tracey serveropts2 : serveropts2 serveropts1 nl
381 a596b957 2022-07-14 tracey | serveropts1 optnl
384 a596b957 2022-07-14 tracey socketopts1 : BIND INTERFACE STRING {
385 a596b957 2022-07-14 tracey n = strlcpy(new_srv->fcgi_socket_bind, $3,
386 a596b957 2022-07-14 tracey sizeof(new_srv->fcgi_socket_bind));
387 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->fcgi_socket_bind)) {
388 a596b957 2022-07-14 tracey yyerror("%s: fcgi_socket_bind truncated",
389 a596b957 2022-07-14 tracey __func__);
390 a596b957 2022-07-14 tracey free($3);
393 a596b957 2022-07-14 tracey free($3);
395 a596b957 2022-07-14 tracey | PORT fcgiport {
396 a596b957 2022-07-14 tracey struct server *srv;
398 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
399 a596b957 2022-07-14 tracey if (srv->fcgi_socket_port == $2) {
400 a596b957 2022-07-14 tracey yyerror("port already assigned");
404 a596b957 2022-07-14 tracey new_srv->fcgi_socket_port = $2;
408 a596b957 2022-07-14 tracey socketopts2 : socketopts2 socketopts1 nl
409 a596b957 2022-07-14 tracey | socketopts1 optnl
412 a596b957 2022-07-14 tracey socketopts3 : BIND INTERFACE STRING {
413 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->fcgi_socket_bind, $3,
414 a596b957 2022-07-14 tracey sizeof(gotwebd->fcgi_socket_bind));
415 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->fcgi_socket_bind)) {
416 a596b957 2022-07-14 tracey yyerror("%s: fcgi_socket_bind truncated",
417 a596b957 2022-07-14 tracey __func__);
418 a596b957 2022-07-14 tracey free($3);
421 a596b957 2022-07-14 tracey free($3);
423 a596b957 2022-07-14 tracey | PORT fcgiport {
424 a596b957 2022-07-14 tracey gotwebd->fcgi_socket_port = $2;
428 a596b957 2022-07-14 tracey socketopts4 : socketopts4 socketopts3 nl
429 a596b957 2022-07-14 tracey | socketopts3 optnl
432 a596b957 2022-07-14 tracey nl : '\n' optnl
435 a596b957 2022-07-14 tracey optnl : '\n' optnl /* zero or more newlines */
436 a596b957 2022-07-14 tracey | /* empty */
441 a596b957 2022-07-14 tracey struct keywords {
442 a596b957 2022-07-14 tracey const char *k_name;
443 a596b957 2022-07-14 tracey int k_val;
447 a596b957 2022-07-14 tracey yyerror(const char *fmt, ...)
449 a596b957 2022-07-14 tracey va_list ap;
450 a596b957 2022-07-14 tracey char *msg;
452 a596b957 2022-07-14 tracey file->errors++;
453 a596b957 2022-07-14 tracey va_start(ap, fmt);
454 a596b957 2022-07-14 tracey if (vasprintf(&msg, fmt, ap) == -1)
455 a596b957 2022-07-14 tracey fatalx("yyerror vasprintf");
456 a596b957 2022-07-14 tracey va_end(ap);
457 a596b957 2022-07-14 tracey logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
458 a596b957 2022-07-14 tracey free(msg);
459 a596b957 2022-07-14 tracey return (0);
463 a596b957 2022-07-14 tracey kw_cmp(const void *k, const void *e)
465 a596b957 2022-07-14 tracey return (strcmp(k, ((const struct keywords *)e)->k_name));
469 a596b957 2022-07-14 tracey lookup(char *s)
471 a596b957 2022-07-14 tracey /* This has to be sorted always. */
472 a596b957 2022-07-14 tracey static const struct keywords keywords[] = {
473 a596b957 2022-07-14 tracey { "bind", BIND },
474 a596b957 2022-07-14 tracey { "chroot", CHROOT },
475 a596b957 2022-07-14 tracey { "custom_css", CUSTOM_CSS },
476 a596b957 2022-07-14 tracey { "fcgi_socket", FCGI_SOCKET },
477 a596b957 2022-07-14 tracey { "interface", INTERFACE },
478 a596b957 2022-07-14 tracey { "logo", LOGO },
479 a596b957 2022-07-14 tracey { "logo_url" , LOGO_URL },
480 a596b957 2022-07-14 tracey { "max_commits_display", MAX_COMMITS_DISPLAY },
481 a596b957 2022-07-14 tracey { "max_repos", MAX_REPOS },
482 a596b957 2022-07-14 tracey { "max_repos_display", MAX_REPOS_DISPLAY },
483 a596b957 2022-07-14 tracey { "port", PORT },
484 a596b957 2022-07-14 tracey { "prefork", PREFORK },
485 a596b957 2022-07-14 tracey { "repos_path", REPOS_PATH },
486 a596b957 2022-07-14 tracey { "server", SERVER },
487 a596b957 2022-07-14 tracey { "show_repo_age", SHOW_REPO_AGE },
488 a596b957 2022-07-14 tracey { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
489 a596b957 2022-07-14 tracey { "show_repo_description", SHOW_REPO_DESCRIPTION },
490 a596b957 2022-07-14 tracey { "show_repo_owner", SHOW_REPO_OWNER },
491 a596b957 2022-07-14 tracey { "show_site_owner", SHOW_SITE_OWNER },
492 a596b957 2022-07-14 tracey { "site_link", SITE_LINK },
493 a596b957 2022-07-14 tracey { "site_name", SITE_NAME },
494 a596b957 2022-07-14 tracey { "site_owner", SITE_OWNER },
495 a596b957 2022-07-14 tracey { "unix_socket", UNIX_SOCKET },
496 a596b957 2022-07-14 tracey { "unix_socket_name", UNIX_SOCKET_NAME },
498 a596b957 2022-07-14 tracey const struct keywords *p;
500 a596b957 2022-07-14 tracey p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
501 a596b957 2022-07-14 tracey sizeof(keywords[0]), kw_cmp);
504 a596b957 2022-07-14 tracey return (p->k_val);
506 a596b957 2022-07-14 tracey return (STRING);
509 a596b957 2022-07-14 tracey #define MAXPUSHBACK 128
511 a596b957 2022-07-14 tracey unsigned char *parsebuf;
512 a596b957 2022-07-14 tracey int parseindex;
513 a596b957 2022-07-14 tracey unsigned char pushback_buffer[MAXPUSHBACK];
514 a596b957 2022-07-14 tracey int pushback_index = 0;
517 a596b957 2022-07-14 tracey lgetc(int quotec)
519 a596b957 2022-07-14 tracey int c, next;
521 a596b957 2022-07-14 tracey if (parsebuf) {
522 a596b957 2022-07-14 tracey /* Read character from the parsebuffer instead of input. */
523 a596b957 2022-07-14 tracey if (parseindex >= 0) {
524 a596b957 2022-07-14 tracey c = parsebuf[parseindex++];
525 a596b957 2022-07-14 tracey if (c != '\0')
526 a596b957 2022-07-14 tracey return (c);
527 a596b957 2022-07-14 tracey parsebuf = NULL;
529 a596b957 2022-07-14 tracey parseindex++;
532 a596b957 2022-07-14 tracey if (pushback_index)
533 a596b957 2022-07-14 tracey return (pushback_buffer[--pushback_index]);
535 a596b957 2022-07-14 tracey if (quotec) {
536 a596b957 2022-07-14 tracey c = getc(file->stream);
537 a596b957 2022-07-14 tracey if (c == EOF)
538 a596b957 2022-07-14 tracey yyerror("reached end of file while parsing "
539 a596b957 2022-07-14 tracey "quoted string");
540 a596b957 2022-07-14 tracey return (c);
543 a596b957 2022-07-14 tracey c = getc(file->stream);
544 a596b957 2022-07-14 tracey while (c == '\\') {
545 a596b957 2022-07-14 tracey next = getc(file->stream);
546 a596b957 2022-07-14 tracey if (next != '\n') {
547 a596b957 2022-07-14 tracey c = next;
550 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
551 a596b957 2022-07-14 tracey file->lineno++;
552 a596b957 2022-07-14 tracey c = getc(file->stream);
555 a596b957 2022-07-14 tracey return (c);
559 a596b957 2022-07-14 tracey lungetc(int c)
561 a596b957 2022-07-14 tracey if (c == EOF)
562 a596b957 2022-07-14 tracey return (EOF);
563 a596b957 2022-07-14 tracey if (parsebuf) {
564 a596b957 2022-07-14 tracey parseindex--;
565 a596b957 2022-07-14 tracey if (parseindex >= 0)
566 a596b957 2022-07-14 tracey return (c);
568 a596b957 2022-07-14 tracey if (pushback_index < MAXPUSHBACK-1)
569 a596b957 2022-07-14 tracey return (pushback_buffer[pushback_index++] = c);
571 a596b957 2022-07-14 tracey return (EOF);
575 a596b957 2022-07-14 tracey findeol(void)
579 a596b957 2022-07-14 tracey parsebuf = NULL;
581 a596b957 2022-07-14 tracey /* Skip to either EOF or the first real EOL. */
582 a596b957 2022-07-14 tracey while (1) {
583 a596b957 2022-07-14 tracey if (pushback_index)
584 a596b957 2022-07-14 tracey c = pushback_buffer[--pushback_index];
586 a596b957 2022-07-14 tracey c = lgetc(0);
587 a596b957 2022-07-14 tracey if (c == '\n') {
588 a596b957 2022-07-14 tracey file->lineno++;
591 a596b957 2022-07-14 tracey if (c == EOF)
594 a596b957 2022-07-14 tracey return (ERROR);
598 a596b957 2022-07-14 tracey yylex(void)
600 a596b957 2022-07-14 tracey unsigned char buf[8096];
601 a596b957 2022-07-14 tracey unsigned char *p, *val;
602 a596b957 2022-07-14 tracey int quotec, next, c;
603 a596b957 2022-07-14 tracey int token;
607 a596b957 2022-07-14 tracey c = lgetc(0);
608 a596b957 2022-07-14 tracey while (c == ' ' || c == '\t')
609 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
611 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
612 a596b957 2022-07-14 tracey if (c == '#') {
613 a596b957 2022-07-14 tracey c = lgetc(0);
614 a596b957 2022-07-14 tracey while (c != '\n' && c != EOF)
615 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
617 a596b957 2022-07-14 tracey if (c == '$' && parsebuf == NULL) {
618 a596b957 2022-07-14 tracey while (1) {
619 a596b957 2022-07-14 tracey c = lgetc(0);
620 a596b957 2022-07-14 tracey if (c == EOF)
621 a596b957 2022-07-14 tracey return (0);
623 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
624 a596b957 2022-07-14 tracey yyerror("string too long");
625 a596b957 2022-07-14 tracey return (findeol());
627 a596b957 2022-07-14 tracey if (isalnum(c) || c == '_') {
628 a596b957 2022-07-14 tracey *p++ = c;
629 a596b957 2022-07-14 tracey continue;
631 a596b957 2022-07-14 tracey *p = '\0';
632 a596b957 2022-07-14 tracey lungetc(c);
635 a596b957 2022-07-14 tracey val = symget(buf);
636 a596b957 2022-07-14 tracey if (val == NULL) {
637 a596b957 2022-07-14 tracey yyerror("macro '%s' not defined", buf);
638 a596b957 2022-07-14 tracey return (findeol());
640 a596b957 2022-07-14 tracey parsebuf = val;
641 a596b957 2022-07-14 tracey parseindex = 0;
642 a596b957 2022-07-14 tracey goto top;
645 a596b957 2022-07-14 tracey switch (c) {
646 a596b957 2022-07-14 tracey case '\'':
647 a596b957 2022-07-14 tracey case '"':
648 a596b957 2022-07-14 tracey quotec = c;
649 a596b957 2022-07-14 tracey while (1) {
650 a596b957 2022-07-14 tracey c = lgetc(quotec);
651 a596b957 2022-07-14 tracey if (c == EOF)
652 a596b957 2022-07-14 tracey return (0);
653 a596b957 2022-07-14 tracey if (c == '\n') {
654 a596b957 2022-07-14 tracey file->lineno++;
655 a596b957 2022-07-14 tracey continue;
656 a596b957 2022-07-14 tracey } else if (c == '\\') {
657 a596b957 2022-07-14 tracey next = lgetc(quotec);
658 a596b957 2022-07-14 tracey if (next == EOF)
659 a596b957 2022-07-14 tracey return (0);
660 a596b957 2022-07-14 tracey if (next == quotec || c == ' ' || c == '\t')
661 a596b957 2022-07-14 tracey c = next;
662 a596b957 2022-07-14 tracey else if (next == '\n') {
663 a596b957 2022-07-14 tracey file->lineno++;
664 a596b957 2022-07-14 tracey continue;
666 a596b957 2022-07-14 tracey lungetc(next);
667 a596b957 2022-07-14 tracey } else if (c == quotec) {
668 a596b957 2022-07-14 tracey *p = '\0';
670 a596b957 2022-07-14 tracey } else if (c == '\0') {
671 a596b957 2022-07-14 tracey yyerror("syntax error");
672 a596b957 2022-07-14 tracey return (findeol());
674 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
675 a596b957 2022-07-14 tracey yyerror("string too long");
676 a596b957 2022-07-14 tracey return (findeol());
678 a596b957 2022-07-14 tracey *p++ = c;
680 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
681 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
682 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
683 a596b957 2022-07-14 tracey return (STRING);
686 a596b957 2022-07-14 tracey #define allowed_to_end_number(x) \
687 a596b957 2022-07-14 tracey (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
689 a596b957 2022-07-14 tracey if (c == '-' || isdigit(c)) {
691 a596b957 2022-07-14 tracey *p++ = c;
692 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
693 a596b957 2022-07-14 tracey yyerror("string too long");
694 a596b957 2022-07-14 tracey return (findeol());
696 a596b957 2022-07-14 tracey c = lgetc(0);
697 a596b957 2022-07-14 tracey } while (c != EOF && isdigit(c));
698 a596b957 2022-07-14 tracey lungetc(c);
699 a596b957 2022-07-14 tracey if (p == buf + 1 && buf[0] == '-')
700 a596b957 2022-07-14 tracey goto nodigits;
701 a596b957 2022-07-14 tracey if (c == EOF || allowed_to_end_number(c)) {
702 a596b957 2022-07-14 tracey const char *errstr = NULL;
704 a596b957 2022-07-14 tracey *p = '\0';
705 a596b957 2022-07-14 tracey yylval.v.number = strtonum(buf, LLONG_MIN,
706 a596b957 2022-07-14 tracey LLONG_MAX, &errstr);
707 a596b957 2022-07-14 tracey if (errstr) {
708 a596b957 2022-07-14 tracey yyerror("\"%s\" invalid number: %s",
709 a596b957 2022-07-14 tracey buf, errstr);
710 a596b957 2022-07-14 tracey return (findeol());
712 a596b957 2022-07-14 tracey return (NUMBER);
714 a596b957 2022-07-14 tracey nodigits:
715 a596b957 2022-07-14 tracey while (p > buf + 1)
716 a596b957 2022-07-14 tracey lungetc(*--p);
717 a596b957 2022-07-14 tracey c = *--p;
718 a596b957 2022-07-14 tracey if (c == '-')
719 a596b957 2022-07-14 tracey return (c);
723 a596b957 2022-07-14 tracey #define allowed_in_string(x) \
724 a596b957 2022-07-14 tracey (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
725 a596b957 2022-07-14 tracey x != '{' && x != '}' && \
726 a596b957 2022-07-14 tracey x != '!' && x != '=' && x != '#' && \
727 a596b957 2022-07-14 tracey x != ','))
729 a596b957 2022-07-14 tracey if (isalnum(c) || c == ':' || c == '_') {
731 a596b957 2022-07-14 tracey *p++ = c;
732 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
733 a596b957 2022-07-14 tracey yyerror("string too long");
734 a596b957 2022-07-14 tracey return (findeol());
736 a596b957 2022-07-14 tracey c = lgetc(0);
737 a596b957 2022-07-14 tracey } while (c != EOF && (allowed_in_string(c)));
738 a596b957 2022-07-14 tracey lungetc(c);
739 a596b957 2022-07-14 tracey *p = '\0';
740 a596b957 2022-07-14 tracey token = lookup(buf);
741 a596b957 2022-07-14 tracey if (token == STRING) {
742 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
743 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
744 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
746 a596b957 2022-07-14 tracey return (token);
748 a596b957 2022-07-14 tracey if (c == '\n') {
749 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
750 a596b957 2022-07-14 tracey file->lineno++;
752 a596b957 2022-07-14 tracey if (c == EOF)
753 a596b957 2022-07-14 tracey return (0);
754 a596b957 2022-07-14 tracey return (c);
758 a596b957 2022-07-14 tracey check_file_secrecy(int fd, const char *fname)
760 a596b957 2022-07-14 tracey struct stat st;
762 a596b957 2022-07-14 tracey if (fstat(fd, &st)) {
763 a596b957 2022-07-14 tracey log_warn("cannot stat %s", fname);
764 a596b957 2022-07-14 tracey return (-1);
766 a596b957 2022-07-14 tracey if (st.st_uid != 0 && st.st_uid != getuid()) {
767 a596b957 2022-07-14 tracey log_warnx("%s: owner not root or current user", fname);
768 a596b957 2022-07-14 tracey return (-1);
770 a596b957 2022-07-14 tracey if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
771 a596b957 2022-07-14 tracey log_warnx("%s: group writable or world read/writable", fname);
772 a596b957 2022-07-14 tracey return (-1);
774 a596b957 2022-07-14 tracey return (0);
777 a596b957 2022-07-14 tracey struct file *
778 a596b957 2022-07-14 tracey newfile(const char *name, int secret)
780 a596b957 2022-07-14 tracey struct file *nfile;
782 a596b957 2022-07-14 tracey nfile = calloc(1, sizeof(struct file));
783 a596b957 2022-07-14 tracey if (nfile == NULL) {
784 a596b957 2022-07-14 tracey log_warn("calloc");
785 a596b957 2022-07-14 tracey return (NULL);
787 a596b957 2022-07-14 tracey nfile->name = strdup(name);
788 a596b957 2022-07-14 tracey if (nfile->name == NULL) {
789 a596b957 2022-07-14 tracey log_warn("strdup");
790 a596b957 2022-07-14 tracey free(nfile);
791 a596b957 2022-07-14 tracey return (NULL);
793 a596b957 2022-07-14 tracey nfile->stream = fopen(nfile->name, "r");
794 a596b957 2022-07-14 tracey if (nfile->stream == NULL) {
795 a596b957 2022-07-14 tracey /* no warning, we don't require a conf file */
796 a596b957 2022-07-14 tracey free(nfile->name);
797 a596b957 2022-07-14 tracey free(nfile);
798 a596b957 2022-07-14 tracey return (NULL);
799 a596b957 2022-07-14 tracey } else if (secret &&
800 a596b957 2022-07-14 tracey check_file_secrecy(fileno(nfile->stream), nfile->name)) {
801 a596b957 2022-07-14 tracey fclose(nfile->stream);
802 a596b957 2022-07-14 tracey free(nfile->name);
803 a596b957 2022-07-14 tracey free(nfile);
804 a596b957 2022-07-14 tracey return (NULL);
806 a596b957 2022-07-14 tracey nfile->lineno = 1;
807 a596b957 2022-07-14 tracey return (nfile);
810 a596b957 2022-07-14 tracey static void
811 a596b957 2022-07-14 tracey closefile(struct file *xfile)
813 a596b957 2022-07-14 tracey fclose(xfile->stream);
814 a596b957 2022-07-14 tracey free(xfile->name);
815 a596b957 2022-07-14 tracey free(xfile);
818 a0037b73 2022-08-03 stsp static void
819 a0037b73 2022-08-03 stsp add_default_server(void)
821 a0037b73 2022-08-03 stsp new_srv = conf_new_server(D_SITENAME);
822 a0037b73 2022-08-03 stsp log_debug("%s: adding default server %s", __func__, D_SITENAME);
826 a596b957 2022-07-14 tracey parse_config(const char *filename, struct gotwebd *env)
828 a596b957 2022-07-14 tracey struct sym *sym, *next;
830 a596b957 2022-07-14 tracey if (config_init(env) == -1)
831 a596b957 2022-07-14 tracey fatalx("failed to initialize configuration");
833 a596b957 2022-07-14 tracey gotwebd = env;
835 a0037b73 2022-08-03 stsp file = newfile(filename, 0);
836 a0037b73 2022-08-03 stsp if (file == NULL) {
837 a0037b73 2022-08-03 stsp add_default_server();
838 a0037b73 2022-08-03 stsp sockets_parse_sockets(env);
839 a0037b73 2022-08-03 stsp /* just return, as we don't require a conf file */
840 a0037b73 2022-08-03 stsp return (0);
843 a596b957 2022-07-14 tracey yyparse();
844 a596b957 2022-07-14 tracey errors = file->errors;
845 a596b957 2022-07-14 tracey closefile(file);
847 a596b957 2022-07-14 tracey /* Free macros and check which have not been used. */
848 a596b957 2022-07-14 tracey TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
849 a596b957 2022-07-14 tracey if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
850 a596b957 2022-07-14 tracey fprintf(stderr, "warning: macro '%s' not used\n",
851 a596b957 2022-07-14 tracey sym->nam);
852 a596b957 2022-07-14 tracey if (!sym->persist) {
853 a596b957 2022-07-14 tracey free(sym->nam);
854 a596b957 2022-07-14 tracey free(sym->val);
855 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
856 a596b957 2022-07-14 tracey free(sym);
860 a596b957 2022-07-14 tracey if (errors)
861 a596b957 2022-07-14 tracey return (-1);
863 a596b957 2022-07-14 tracey /* just add default server if no config specified */
864 a0037b73 2022-08-03 stsp if (gotwebd->server_cnt == 0)
865 a0037b73 2022-08-03 stsp add_default_server();
867 a596b957 2022-07-14 tracey /* setup our listening sockets */
868 a596b957 2022-07-14 tracey sockets_parse_sockets(env);
870 a596b957 2022-07-14 tracey return (0);
873 a596b957 2022-07-14 tracey struct server *
874 a596b957 2022-07-14 tracey conf_new_server(const char *name)
876 a596b957 2022-07-14 tracey struct server *srv = NULL;
879 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
880 a596b957 2022-07-14 tracey if (srv == NULL)
881 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
883 a596b957 2022-07-14 tracey n = strlcpy(srv->name, name, sizeof(srv->name));
884 a596b957 2022-07-14 tracey if (n >= sizeof(srv->name))
885 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
886 a596b957 2022-07-14 tracey n = snprintf(srv->unix_socket_name,
887 a596b957 2022-07-14 tracey sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
888 a596b957 2022-07-14 tracey D_UNIX_SOCKET);
889 a596b957 2022-07-14 tracey if (n < 0)
890 a596b957 2022-07-14 tracey fatalx("%s: snprintf", __func__);
891 a596b957 2022-07-14 tracey n = strlcpy(srv->repos_path, D_GOTPATH,
892 a596b957 2022-07-14 tracey sizeof(srv->repos_path));
893 a596b957 2022-07-14 tracey if (n >= sizeof(srv->repos_path))
894 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
895 a596b957 2022-07-14 tracey n = strlcpy(srv->site_name, D_SITENAME,
896 a596b957 2022-07-14 tracey sizeof(srv->site_name));
897 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_name))
898 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
899 a596b957 2022-07-14 tracey n = strlcpy(srv->site_owner, D_SITEOWNER,
900 a596b957 2022-07-14 tracey sizeof(srv->site_owner));
901 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_owner))
902 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
903 a596b957 2022-07-14 tracey n = strlcpy(srv->site_link, D_SITELINK,
904 a596b957 2022-07-14 tracey sizeof(srv->site_link));
905 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_link))
906 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
907 a596b957 2022-07-14 tracey n = strlcpy(srv->logo, D_GOTLOGO,
908 a596b957 2022-07-14 tracey sizeof(srv->logo));
909 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo))
910 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
911 a596b957 2022-07-14 tracey n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
912 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo_url))
913 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
914 a596b957 2022-07-14 tracey n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
915 a596b957 2022-07-14 tracey if (n >= sizeof(srv->custom_css))
916 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
918 a596b957 2022-07-14 tracey val = getservice(D_FCGI_PORT);
919 a596b957 2022-07-14 tracey srv->fcgi_socket_port = gotwebd->fcgi_socket_port ?
920 a596b957 2022-07-14 tracey gotwebd->fcgi_socket_port: htons(val);
922 a596b957 2022-07-14 tracey srv->show_site_owner = D_SHOWSOWNER;
923 a596b957 2022-07-14 tracey srv->show_repo_owner = D_SHOWROWNER;
924 a596b957 2022-07-14 tracey srv->show_repo_age = D_SHOWAGE;
925 a596b957 2022-07-14 tracey srv->show_repo_description = D_SHOWDESC;
926 a596b957 2022-07-14 tracey srv->show_repo_cloneurl = D_SHOWURL;
928 a596b957 2022-07-14 tracey srv->max_repos_display = D_MAXREPODISP;
929 a596b957 2022-07-14 tracey srv->max_commits_display = D_MAXCOMMITDISP;
930 a596b957 2022-07-14 tracey srv->max_repos = D_MAXREPO;
932 a596b957 2022-07-14 tracey srv->unix_socket = 1;
933 a596b957 2022-07-14 tracey srv->fcgi_socket = gotwebd->fcgi_socket ? gotwebd->fcgi_socket : 0;
935 a596b957 2022-07-14 tracey if ((srv->al = calloc(1, sizeof(*srv->al))) == NULL)
936 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
938 a596b957 2022-07-14 tracey TAILQ_INIT(srv->al);
939 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(gotwebd->servers, srv, entry);
940 a596b957 2022-07-14 tracey gotwebd->server_cnt++;
942 a596b957 2022-07-14 tracey return srv;
946 a596b957 2022-07-14 tracey symset(const char *nam, const char *val, int persist)
948 a596b957 2022-07-14 tracey struct sym *sym;
950 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
951 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0)
955 a596b957 2022-07-14 tracey if (sym != NULL) {
956 a596b957 2022-07-14 tracey if (sym->persist == 1)
957 a596b957 2022-07-14 tracey return (0);
959 a596b957 2022-07-14 tracey free(sym->nam);
960 a596b957 2022-07-14 tracey free(sym->val);
961 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
962 a596b957 2022-07-14 tracey free(sym);
965 a596b957 2022-07-14 tracey sym = calloc(1, sizeof(*sym));
966 a596b957 2022-07-14 tracey if (sym == NULL)
967 a596b957 2022-07-14 tracey return (-1);
969 a596b957 2022-07-14 tracey sym->nam = strdup(nam);
970 a596b957 2022-07-14 tracey if (sym->nam == NULL) {
971 a596b957 2022-07-14 tracey free(sym);
972 a596b957 2022-07-14 tracey return (-1);
974 a596b957 2022-07-14 tracey sym->val = strdup(val);
975 a596b957 2022-07-14 tracey if (sym->val == NULL) {
976 a596b957 2022-07-14 tracey free(sym->nam);
977 a596b957 2022-07-14 tracey free(sym);
978 a596b957 2022-07-14 tracey return (-1);
980 a596b957 2022-07-14 tracey sym->used = 0;
981 a596b957 2022-07-14 tracey sym->persist = persist;
982 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(&symhead, sym, entry);
983 a596b957 2022-07-14 tracey return (0);
987 a596b957 2022-07-14 tracey cmdline_symset(char *s)
989 a596b957 2022-07-14 tracey char *sym, *val;
991 a596b957 2022-07-14 tracey size_t len;
993 a596b957 2022-07-14 tracey val = strrchr(s, '=');
994 a596b957 2022-07-14 tracey if (val == NULL)
995 a596b957 2022-07-14 tracey return (-1);
997 a596b957 2022-07-14 tracey len = strlen(s) - strlen(val) + 1;
998 a596b957 2022-07-14 tracey sym = malloc(len);
999 a596b957 2022-07-14 tracey if (sym == NULL)
1000 a596b957 2022-07-14 tracey fatal("%s: malloc", __func__);
1002 a596b957 2022-07-14 tracey memcpy(&sym, s, len);
1004 a596b957 2022-07-14 tracey ret = symset(sym, val + 1, 1);
1005 a596b957 2022-07-14 tracey free(sym);
1007 a596b957 2022-07-14 tracey return (ret);
1011 a596b957 2022-07-14 tracey symget(const char *nam)
1013 a596b957 2022-07-14 tracey struct sym *sym;
1015 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
1016 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0) {
1017 a596b957 2022-07-14 tracey sym->used = 1;
1018 a596b957 2022-07-14 tracey return (sym->val);
1021 a596b957 2022-07-14 tracey return (NULL);
1025 a596b957 2022-07-14 tracey getservice(const char *n)
1027 a596b957 2022-07-14 tracey struct servent *s;
1028 a596b957 2022-07-14 tracey const char *errstr;
1029 a596b957 2022-07-14 tracey long long llval;
1031 a596b957 2022-07-14 tracey llval = strtonum(n, 0, UINT16_MAX, &errstr);
1032 a596b957 2022-07-14 tracey if (errstr) {
1033 a596b957 2022-07-14 tracey s = getservbyname(n, "tcp");
1034 a596b957 2022-07-14 tracey if (s == NULL)
1035 a596b957 2022-07-14 tracey s = getservbyname(n, "udp");
1036 a596b957 2022-07-14 tracey if (s == NULL)
1037 a596b957 2022-07-14 tracey return (-1);
1038 a596b957 2022-07-14 tracey return (s->s_port);
1041 a596b957 2022-07-14 tracey return (htons((unsigned short)llval));
1044 a596b957 2022-07-14 tracey struct address *
1045 a596b957 2022-07-14 tracey host_v4(const char *s)
1047 a596b957 2022-07-14 tracey struct in_addr ina;
1048 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1049 a596b957 2022-07-14 tracey struct address *h;
1051 a596b957 2022-07-14 tracey memset(&ina, 0, sizeof(ina));
1052 a596b957 2022-07-14 tracey if (inet_pton(AF_INET, s, &ina) != 1)
1053 a596b957 2022-07-14 tracey return (NULL);
1055 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1056 a596b957 2022-07-14 tracey fatal(__func__);
1057 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1058 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ina);
1059 a596b957 2022-07-14 tracey if (sain->sin_addr.s_addr == INADDR_ANY)
1060 a596b957 2022-07-14 tracey h->prefixlen = 0; /* 0.0.0.0 address */
1062 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1063 a596b957 2022-07-14 tracey return (h);
1066 a596b957 2022-07-14 tracey struct address *
1067 a596b957 2022-07-14 tracey host_v6(const char *s)
1069 a596b957 2022-07-14 tracey struct addrinfo hints, *res;
1070 86b4b772 2022-07-29 stsp struct sockaddr_in6 *sa_in6, *ra;
1071 a596b957 2022-07-14 tracey struct address *h = NULL;
1073 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1074 a596b957 2022-07-14 tracey hints.ai_family = AF_INET6;
1075 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* dummy */
1076 a596b957 2022-07-14 tracey hints.ai_flags = AI_NUMERICHOST;
1077 a596b957 2022-07-14 tracey if (getaddrinfo(s, "0", &hints, &res) == 0) {
1078 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1079 a596b957 2022-07-14 tracey fatal(__func__);
1080 a596b957 2022-07-14 tracey sa_in6 = (struct sockaddr_in6 *)&h->ss;
1081 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1082 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1083 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1084 a596b957 2022-07-14 tracey if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1085 a596b957 2022-07-14 tracey sizeof(sa_in6->sin6_addr)) == 0)
1086 a596b957 2022-07-14 tracey h->prefixlen = 0; /* any address */
1088 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1089 a596b957 2022-07-14 tracey freeaddrinfo(res);
1092 a596b957 2022-07-14 tracey return (h);
1096 a596b957 2022-07-14 tracey host_dns(const char *s, struct addresslist *al, int max,
1097 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1099 a596b957 2022-07-14 tracey struct addrinfo hints, *res0, *res;
1100 a596b957 2022-07-14 tracey int error, cnt = 0;
1101 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1102 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1103 a596b957 2022-07-14 tracey struct address *h;
1105 a596b957 2022-07-14 tracey if ((cnt = host_if(s, al, max, port, ifname, ipproto)) != 0)
1106 a596b957 2022-07-14 tracey return (cnt);
1108 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1109 a596b957 2022-07-14 tracey hints.ai_family = PF_UNSPEC;
1110 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1111 a596b957 2022-07-14 tracey hints.ai_flags = AI_ADDRCONFIG;
1112 a596b957 2022-07-14 tracey error = getaddrinfo(s, NULL, &hints, &res0);
1113 a596b957 2022-07-14 tracey if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1114 a596b957 2022-07-14 tracey return (0);
1115 a596b957 2022-07-14 tracey if (error) {
1116 a596b957 2022-07-14 tracey log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1117 a596b957 2022-07-14 tracey gai_strerror(error));
1118 a596b957 2022-07-14 tracey return (-1);
1121 a596b957 2022-07-14 tracey for (res = res0; res && cnt < max; res = res->ai_next) {
1122 a596b957 2022-07-14 tracey if (res->ai_family != AF_INET &&
1123 a596b957 2022-07-14 tracey res->ai_family != AF_INET6)
1124 a596b957 2022-07-14 tracey continue;
1125 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1126 a596b957 2022-07-14 tracey fatal(__func__);
1128 a596b957 2022-07-14 tracey if (port)
1129 a596b957 2022-07-14 tracey h->port = port;
1130 a596b957 2022-07-14 tracey if (ifname != NULL) {
1131 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1132 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1133 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1134 a596b957 2022-07-14 tracey __func__);
1135 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1136 a596b957 2022-07-14 tracey free(h);
1137 a596b957 2022-07-14 tracey return (-1);
1140 a596b957 2022-07-14 tracey if (ipproto != -1)
1141 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1142 a596b957 2022-07-14 tracey h->ss.ss_family = res->ai_family;
1143 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1145 a596b957 2022-07-14 tracey if (res->ai_family == AF_INET) {
1146 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1147 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1148 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)res->ai_addr;
1149 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1150 a596b957 2022-07-14 tracey } else {
1151 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1152 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1153 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)res->ai_addr;
1154 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1157 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1160 a596b957 2022-07-14 tracey if (cnt == max && res) {
1161 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1162 a596b957 2022-07-14 tracey s, max);
1164 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1165 a596b957 2022-07-14 tracey return (cnt);
1169 a596b957 2022-07-14 tracey host_if(const char *s, struct addresslist *al, int max,
1170 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1172 a596b957 2022-07-14 tracey struct ifaddrs *ifap, *p;
1173 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1174 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1175 a596b957 2022-07-14 tracey struct address *h;
1176 a596b957 2022-07-14 tracey int cnt = 0, af;
1178 a596b957 2022-07-14 tracey if (getifaddrs(&ifap) == -1)
1179 a596b957 2022-07-14 tracey fatal("getifaddrs");
1181 a596b957 2022-07-14 tracey /* First search for IPv4 addresses */
1182 a596b957 2022-07-14 tracey af = AF_INET;
1185 a596b957 2022-07-14 tracey for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1186 a596b957 2022-07-14 tracey if (p->ifa_addr == NULL ||
1187 a596b957 2022-07-14 tracey p->ifa_addr->sa_family != af ||
1188 a596b957 2022-07-14 tracey (strcmp(s, p->ifa_name) != 0 &&
1189 a596b957 2022-07-14 tracey !is_if_in_group(p->ifa_name, s)))
1190 a596b957 2022-07-14 tracey continue;
1191 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1192 a596b957 2022-07-14 tracey fatal("calloc");
1194 a596b957 2022-07-14 tracey if (port)
1195 a596b957 2022-07-14 tracey h->port = port;
1196 a596b957 2022-07-14 tracey if (ifname != NULL) {
1197 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1198 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1199 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1200 a596b957 2022-07-14 tracey __func__);
1201 a596b957 2022-07-14 tracey free(h);
1202 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1203 a596b957 2022-07-14 tracey return (-1);
1206 a596b957 2022-07-14 tracey if (ipproto != -1)
1207 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1208 a596b957 2022-07-14 tracey h->ss.ss_family = af;
1209 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1211 a596b957 2022-07-14 tracey if (af == AF_INET) {
1212 86b4b772 2022-07-29 stsp struct sockaddr_in *ra;
1213 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1214 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in *)p->ifa_addr;
1215 86b4b772 2022-07-29 stsp got_sockaddr_inet_init(sain, &ra->sin_addr);
1216 a596b957 2022-07-14 tracey } else {
1217 86b4b772 2022-07-29 stsp struct sockaddr_in6 *ra;
1218 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1219 86b4b772 2022-07-29 stsp ra = (struct sockaddr_in6 *)p->ifa_addr;
1220 86b4b772 2022-07-29 stsp got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1221 86b4b772 2022-07-29 stsp ra->sin6_scope_id);
1224 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1227 a596b957 2022-07-14 tracey if (af == AF_INET) {
1228 a596b957 2022-07-14 tracey /* Next search for IPv6 addresses */
1229 a596b957 2022-07-14 tracey af = AF_INET6;
1230 a596b957 2022-07-14 tracey goto nextaf;
1233 a596b957 2022-07-14 tracey if (cnt > max) {
1234 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1235 a596b957 2022-07-14 tracey s, max);
1237 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1238 a596b957 2022-07-14 tracey return (cnt);
1242 a596b957 2022-07-14 tracey host(const char *s, struct addresslist *al, int max,
1243 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1245 a596b957 2022-07-14 tracey struct address *h;
1247 a596b957 2022-07-14 tracey h = host_v4(s);
1249 a596b957 2022-07-14 tracey /* IPv6 address? */
1250 a596b957 2022-07-14 tracey if (h == NULL)
1251 a596b957 2022-07-14 tracey h = host_v6(s);
1253 a596b957 2022-07-14 tracey if (h != NULL) {
1254 a596b957 2022-07-14 tracey if (port)
1255 a596b957 2022-07-14 tracey h->port = port;
1256 a596b957 2022-07-14 tracey if (ifname != NULL) {
1257 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1258 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1259 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1260 a596b957 2022-07-14 tracey __func__);
1261 a596b957 2022-07-14 tracey free(h);
1262 a596b957 2022-07-14 tracey return (-1);
1265 a596b957 2022-07-14 tracey if (ipproto != -1)
1266 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1268 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1269 a596b957 2022-07-14 tracey return (1);
1272 a596b957 2022-07-14 tracey return (host_dns(s, al, max, port, ifname, ipproto));
1276 a596b957 2022-07-14 tracey is_if_in_group(const char *ifname, const char *groupname)
1278 a596b957 2022-07-14 tracey unsigned int len;
1279 a596b957 2022-07-14 tracey struct ifgroupreq ifgr;
1280 a596b957 2022-07-14 tracey struct ifg_req *ifg;
1282 a596b957 2022-07-14 tracey int ret = 0;
1284 a596b957 2022-07-14 tracey if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1285 a596b957 2022-07-14 tracey err(1, "socket");
1287 a596b957 2022-07-14 tracey memset(&ifgr, 0, sizeof(ifgr));
1288 a596b957 2022-07-14 tracey if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1289 a596b957 2022-07-14 tracey err(1, "IFNAMSIZ");
1290 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1291 a596b957 2022-07-14 tracey if (errno == EINVAL || errno == ENOTTY)
1292 a596b957 2022-07-14 tracey goto end;
1293 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1296 a596b957 2022-07-14 tracey len = ifgr.ifgr_len;
1297 a596b957 2022-07-14 tracey ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1298 a596b957 2022-07-14 tracey sizeof(struct ifg_req));
1299 a596b957 2022-07-14 tracey if (ifgr.ifgr_groups == NULL)
1300 a596b957 2022-07-14 tracey err(1, "getifgroups");
1301 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1302 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1304 a596b957 2022-07-14 tracey ifg = ifgr.ifgr_groups;
1305 a596b957 2022-07-14 tracey for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1306 a596b957 2022-07-14 tracey len -= sizeof(struct ifg_req);
1307 a596b957 2022-07-14 tracey if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1308 a596b957 2022-07-14 tracey ret = 1;
1312 a596b957 2022-07-14 tracey free(ifgr.ifgr_groups);
1315 a596b957 2022-07-14 tracey close(s);
1316 a596b957 2022-07-14 tracey return (ret);
1320 a596b957 2022-07-14 tracey get_addrs(const char *addr, struct addresslist *al, in_port_t port)
1322 a596b957 2022-07-14 tracey if (strcmp("", addr) == 0) {
1323 a596b957 2022-07-14 tracey if (host("0.0.0.0", al, 1, port, "0.0.0.0", -1) <= 0) {
1324 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s",
1325 a596b957 2022-07-14 tracey "0.0.0.0");
1326 a596b957 2022-07-14 tracey return (-1);
1328 a596b957 2022-07-14 tracey if (host("::", al, 1, port, "::", -1) <= 0) {
1329 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", "::");
1330 a596b957 2022-07-14 tracey return (-1);
1332 a596b957 2022-07-14 tracey } else {
1333 a596b957 2022-07-14 tracey if (host(addr, al, GOTWEBD_MAXIFACE, port, addr,
1334 a596b957 2022-07-14 tracey -1) <= 0) {
1335 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", addr);
1336 a596b957 2022-07-14 tracey return (-1);
1339 a596b957 2022-07-14 tracey return (0);