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"
53 a596b957 2022-07-14 tracey TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
54 a596b957 2022-07-14 tracey static struct file {
55 a596b957 2022-07-14 tracey TAILQ_ENTRY(file) entry;
56 a596b957 2022-07-14 tracey FILE *stream;
57 a596b957 2022-07-14 tracey char *name;
58 a596b957 2022-07-14 tracey int lineno;
59 a596b957 2022-07-14 tracey int errors;
61 a596b957 2022-07-14 tracey struct file *newfile(const char *, int);
62 a596b957 2022-07-14 tracey static void closefile(struct file *);
63 a596b957 2022-07-14 tracey int check_file_secrecy(int, const char *);
64 a596b957 2022-07-14 tracey int yyparse(void);
65 a596b957 2022-07-14 tracey int yylex(void);
66 a596b957 2022-07-14 tracey int yyerror(const char *, ...)
67 a596b957 2022-07-14 tracey __attribute__((__format__ (printf, 1, 2)))
68 a596b957 2022-07-14 tracey __attribute__((__nonnull__ (1)));
69 a596b957 2022-07-14 tracey int kw_cmp(const void *, const void *);
70 a596b957 2022-07-14 tracey int lookup(char *);
71 a596b957 2022-07-14 tracey int lgetc(int);
72 a596b957 2022-07-14 tracey int lungetc(int);
73 a596b957 2022-07-14 tracey int findeol(void);
75 a596b957 2022-07-14 tracey TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
76 a596b957 2022-07-14 tracey struct sym {
77 a596b957 2022-07-14 tracey TAILQ_ENTRY(sym) entry;
79 a596b957 2022-07-14 tracey int persist;
80 a596b957 2022-07-14 tracey char *nam;
81 a596b957 2022-07-14 tracey char *val;
84 a596b957 2022-07-14 tracey int symset(const char *, const char *, int);
85 a596b957 2022-07-14 tracey char *symget(const char *);
87 a596b957 2022-07-14 tracey static int errors;
89 a596b957 2022-07-14 tracey static struct gotwebd *gotwebd;
90 a596b957 2022-07-14 tracey static struct server *new_srv;
91 a596b957 2022-07-14 tracey static struct server *conf_new_server(const char *);
92 a596b957 2022-07-14 tracey int getservice(const char *);
95 a596b957 2022-07-14 tracey int get_addrs(const char *, struct addresslist *, in_port_t);
96 a596b957 2022-07-14 tracey struct address *host_v4(const char *);
97 a596b957 2022-07-14 tracey struct address *host_v6(const char *);
98 a596b957 2022-07-14 tracey int host_dns(const char *, struct addresslist *,
99 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
100 a596b957 2022-07-14 tracey int host_if(const char *, struct addresslist *,
101 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
102 a596b957 2022-07-14 tracey int host(const char *, struct addresslist *,
103 a596b957 2022-07-14 tracey int, in_port_t, const char *, int);
104 a596b957 2022-07-14 tracey int is_if_in_group(const char *, const char *);
106 a596b957 2022-07-14 tracey typedef struct {
108 a596b957 2022-07-14 tracey long long number;
109 a596b957 2022-07-14 tracey char *string;
110 a596b957 2022-07-14 tracey in_port_t port;
112 a596b957 2022-07-14 tracey int lineno;
113 a596b957 2022-07-14 tracey } YYSTYPE;
117 a596b957 2022-07-14 tracey %token BIND INTERFACE WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
118 a596b957 2022-07-14 tracey %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
119 a596b957 2022-07-14 tracey %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
120 a596b957 2022-07-14 tracey %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK FCGI_SOCKET
121 a596b957 2022-07-14 tracey %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS
123 a596b957 2022-07-14 tracey %token <v.string> STRING
124 a596b957 2022-07-14 tracey %type <v.port> fcgiport
125 a596b957 2022-07-14 tracey %token <v.number> NUMBER
126 a596b957 2022-07-14 tracey %type <v.number> boolean
130 a596b957 2022-07-14 tracey grammar :
131 a596b957 2022-07-14 tracey | grammar '\n'
132 a596b957 2022-07-14 tracey | grammar main '\n'
133 a596b957 2022-07-14 tracey | grammar server '\n'
136 a596b957 2022-07-14 tracey boolean : STRING {
137 a596b957 2022-07-14 tracey if (strcasecmp($1, "1") == 0 ||
138 a596b957 2022-07-14 tracey strcasecmp($1, "yes") == 0 ||
139 a596b957 2022-07-14 tracey strcasecmp($1, "on") == 0)
141 a596b957 2022-07-14 tracey else if (strcasecmp($1, "0") == 0 ||
142 a596b957 2022-07-14 tracey strcasecmp($1, "off") == 0 ||
143 a596b957 2022-07-14 tracey strcasecmp($1, "no") == 0)
146 a596b957 2022-07-14 tracey yyerror("invalid boolean value '%s'", $1);
147 a596b957 2022-07-14 tracey free($1);
150 a596b957 2022-07-14 tracey free($1);
152 a596b957 2022-07-14 tracey | ON { $$ = 1; }
153 a596b957 2022-07-14 tracey | NUMBER { $$ = $1; }
156 a596b957 2022-07-14 tracey fcgiport : NUMBER {
157 a596b957 2022-07-14 tracey if ($1 <= 0 || $1 > (int)USHRT_MAX) {
158 a596b957 2022-07-14 tracey yyerror("invalid port: %lld", $1);
161 a596b957 2022-07-14 tracey $$ = htons($1);
163 a596b957 2022-07-14 tracey | STRING {
166 a596b957 2022-07-14 tracey if ((val = getservice($1)) == -1) {
167 a596b957 2022-07-14 tracey yyerror("invalid port: %s", $1);
168 a596b957 2022-07-14 tracey free($1);
171 a596b957 2022-07-14 tracey free($1);
173 a596b957 2022-07-14 tracey $$ = val;
177 a596b957 2022-07-14 tracey main : PREFORK NUMBER {
178 a596b957 2022-07-14 tracey gotwebd->prefork_gotwebd = $2;
180 a596b957 2022-07-14 tracey | CHROOT STRING {
181 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->httpd_chroot, $2,
182 a596b957 2022-07-14 tracey sizeof(gotwebd->httpd_chroot));
183 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->httpd_chroot)) {
184 a596b957 2022-07-14 tracey yyerror("%s: httpd_chroot truncated", __func__);
185 a596b957 2022-07-14 tracey free($2);
188 a596b957 2022-07-14 tracey free($2);
190 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
191 a596b957 2022-07-14 tracey gotwebd->fcgi_socket = $2;
193 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
194 a596b957 2022-07-14 tracey gotwebd->fcgi_socket = $2;
195 a596b957 2022-07-14 tracey } '{' optnl socketopts4 '}'
196 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
197 a596b957 2022-07-14 tracey gotwebd->unix_socket = $2;
199 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
200 a596b957 2022-07-14 tracey n = snprintf(gotwebd->unix_socket_name,
201 a596b957 2022-07-14 tracey sizeof(gotwebd->unix_socket_name), "%s%s",
202 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
203 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
204 a596b957 2022-07-14 tracey if (n < 0) {
205 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
206 a596b957 2022-07-14 tracey __func__);
207 a596b957 2022-07-14 tracey free($2);
210 a596b957 2022-07-14 tracey free($2);
214 a596b957 2022-07-14 tracey server : SERVER STRING {
215 a596b957 2022-07-14 tracey struct server *srv;
217 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
218 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
219 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
220 a596b957 2022-07-14 tracey free($2);
225 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
226 a596b957 2022-07-14 tracey if (new_srv->fcgi_socket)
227 a596b957 2022-07-14 tracey if (get_addrs(new_srv->fcgi_socket_bind,
228 a596b957 2022-07-14 tracey new_srv->al,
229 a596b957 2022-07-14 tracey new_srv->fcgi_socket_port) == -1) {
230 a596b957 2022-07-14 tracey yyerror("could not get tcp iface "
231 a596b957 2022-07-14 tracey "addrs");
234 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
235 a596b957 2022-07-14 tracey free($2);
237 a596b957 2022-07-14 tracey | SERVER STRING {
238 a596b957 2022-07-14 tracey struct server *srv;
240 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
241 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
242 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
243 a596b957 2022-07-14 tracey free($2);
248 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
249 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
250 a596b957 2022-07-14 tracey free($2);
251 a596b957 2022-07-14 tracey } '{' optnl serveropts2 '}' {
252 a596b957 2022-07-14 tracey if (get_addrs(new_srv->fcgi_socket_bind,
253 a596b957 2022-07-14 tracey new_srv->al, new_srv->fcgi_socket_port) == -1) {
254 a596b957 2022-07-14 tracey yyerror("could not get tcp iface addrs");
260 a596b957 2022-07-14 tracey serveropts1 : REPOS_PATH STRING {
261 a596b957 2022-07-14 tracey n = strlcpy(new_srv->repos_path, $2,
262 a596b957 2022-07-14 tracey sizeof(new_srv->repos_path));
263 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->repos_path)) {
264 a596b957 2022-07-14 tracey yyerror("%s: repos_path truncated", __func__);
265 a596b957 2022-07-14 tracey free($2);
268 a596b957 2022-07-14 tracey free($2);
270 a596b957 2022-07-14 tracey | SITE_NAME STRING {
271 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_name, $2,
272 a596b957 2022-07-14 tracey sizeof(new_srv->site_name));
273 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_name)) {
274 a596b957 2022-07-14 tracey yyerror("%s: site_name truncated", __func__);
275 a596b957 2022-07-14 tracey free($2);
278 a596b957 2022-07-14 tracey free($2);
280 a596b957 2022-07-14 tracey | SITE_OWNER STRING {
281 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_owner, $2,
282 a596b957 2022-07-14 tracey sizeof(new_srv->site_owner));
283 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_owner)) {
284 a596b957 2022-07-14 tracey yyerror("%s: site_owner truncated", __func__);
285 a596b957 2022-07-14 tracey free($2);
288 a596b957 2022-07-14 tracey free($2);
290 a596b957 2022-07-14 tracey | SITE_LINK STRING {
291 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_link, $2,
292 a596b957 2022-07-14 tracey sizeof(new_srv->site_link));
293 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_link)) {
294 a596b957 2022-07-14 tracey yyerror("%s: site_link truncated", __func__);
295 a596b957 2022-07-14 tracey free($2);
298 a596b957 2022-07-14 tracey free($2);
300 a596b957 2022-07-14 tracey | LOGO STRING {
301 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
302 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo)) {
303 a596b957 2022-07-14 tracey yyerror("%s: logo truncated", __func__);
304 a596b957 2022-07-14 tracey free($2);
307 a596b957 2022-07-14 tracey free($2);
309 a596b957 2022-07-14 tracey | LOGO_URL STRING {
310 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo_url, $2,
311 a596b957 2022-07-14 tracey sizeof(new_srv->logo_url));
312 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo_url)) {
313 a596b957 2022-07-14 tracey yyerror("%s: logo_url truncated", __func__);
314 a596b957 2022-07-14 tracey free($2);
317 a596b957 2022-07-14 tracey free($2);
319 a596b957 2022-07-14 tracey | CUSTOM_CSS STRING {
320 a596b957 2022-07-14 tracey n = strlcpy(new_srv->custom_css, $2,
321 a596b957 2022-07-14 tracey sizeof(new_srv->custom_css));
322 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->custom_css)) {
323 a596b957 2022-07-14 tracey yyerror("%s: custom_css truncated", __func__);
324 a596b957 2022-07-14 tracey free($2);
327 a596b957 2022-07-14 tracey free($2);
329 a596b957 2022-07-14 tracey | MAX_REPOS NUMBER {
330 a596b957 2022-07-14 tracey if ($2 > 0)
331 a596b957 2022-07-14 tracey new_srv->max_repos = $2;
333 a596b957 2022-07-14 tracey | SHOW_SITE_OWNER boolean {
334 a596b957 2022-07-14 tracey new_srv->show_site_owner = $2;
336 a596b957 2022-07-14 tracey | SHOW_REPO_OWNER boolean {
337 a596b957 2022-07-14 tracey new_srv->show_repo_owner = $2;
339 a596b957 2022-07-14 tracey | SHOW_REPO_AGE boolean {
340 a596b957 2022-07-14 tracey new_srv->show_repo_age = $2;
342 a596b957 2022-07-14 tracey | SHOW_REPO_DESCRIPTION boolean {
343 a596b957 2022-07-14 tracey new_srv->show_repo_description = $2;
345 a596b957 2022-07-14 tracey | SHOW_REPO_CLONEURL boolean {
346 a596b957 2022-07-14 tracey new_srv->show_repo_cloneurl = $2;
348 a596b957 2022-07-14 tracey | MAX_REPOS_DISPLAY NUMBER {
349 a596b957 2022-07-14 tracey new_srv->max_repos_display = $2;
351 a596b957 2022-07-14 tracey | MAX_COMMITS_DISPLAY NUMBER {
352 a596b957 2022-07-14 tracey if ($2 > 0)
353 a596b957 2022-07-14 tracey new_srv->max_commits_display = $2;
355 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
356 a596b957 2022-07-14 tracey new_srv->fcgi_socket = $2;
358 a596b957 2022-07-14 tracey | FCGI_SOCKET boolean {
359 a596b957 2022-07-14 tracey new_srv->fcgi_socket = $2;
360 a596b957 2022-07-14 tracey } '{' optnl socketopts2 '}'
361 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
362 a596b957 2022-07-14 tracey new_srv->unix_socket = $2;
364 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
365 a596b957 2022-07-14 tracey n = snprintf(new_srv->unix_socket_name,
366 a596b957 2022-07-14 tracey sizeof(new_srv->unix_socket_name), "%s%s",
367 a596b957 2022-07-14 tracey strlen(gotwebd->httpd_chroot) ?
368 a596b957 2022-07-14 tracey gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
369 a596b957 2022-07-14 tracey if (n < 0) {
370 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
371 a596b957 2022-07-14 tracey __func__);
372 a596b957 2022-07-14 tracey free($2);
375 a596b957 2022-07-14 tracey free($2);
379 a596b957 2022-07-14 tracey serveropts2 : serveropts2 serveropts1 nl
380 a596b957 2022-07-14 tracey | serveropts1 optnl
383 a596b957 2022-07-14 tracey socketopts1 : BIND INTERFACE STRING {
384 a596b957 2022-07-14 tracey n = strlcpy(new_srv->fcgi_socket_bind, $3,
385 a596b957 2022-07-14 tracey sizeof(new_srv->fcgi_socket_bind));
386 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->fcgi_socket_bind)) {
387 a596b957 2022-07-14 tracey yyerror("%s: fcgi_socket_bind truncated",
388 a596b957 2022-07-14 tracey __func__);
389 a596b957 2022-07-14 tracey free($3);
392 a596b957 2022-07-14 tracey free($3);
394 a596b957 2022-07-14 tracey | PORT fcgiport {
395 a596b957 2022-07-14 tracey struct server *srv;
397 a596b957 2022-07-14 tracey TAILQ_FOREACH(srv, gotwebd->servers, entry) {
398 a596b957 2022-07-14 tracey if (srv->fcgi_socket_port == $2) {
399 a596b957 2022-07-14 tracey yyerror("port already assigned");
403 a596b957 2022-07-14 tracey new_srv->fcgi_socket_port = $2;
407 a596b957 2022-07-14 tracey socketopts2 : socketopts2 socketopts1 nl
408 a596b957 2022-07-14 tracey | socketopts1 optnl
411 a596b957 2022-07-14 tracey socketopts3 : BIND INTERFACE STRING {
412 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->fcgi_socket_bind, $3,
413 a596b957 2022-07-14 tracey sizeof(gotwebd->fcgi_socket_bind));
414 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->fcgi_socket_bind)) {
415 a596b957 2022-07-14 tracey yyerror("%s: fcgi_socket_bind truncated",
416 a596b957 2022-07-14 tracey __func__);
417 a596b957 2022-07-14 tracey free($3);
420 a596b957 2022-07-14 tracey free($3);
422 a596b957 2022-07-14 tracey | PORT fcgiport {
423 a596b957 2022-07-14 tracey gotwebd->fcgi_socket_port = $2;
427 a596b957 2022-07-14 tracey socketopts4 : socketopts4 socketopts3 nl
428 a596b957 2022-07-14 tracey | socketopts3 optnl
431 a596b957 2022-07-14 tracey nl : '\n' optnl
434 a596b957 2022-07-14 tracey optnl : '\n' optnl /* zero or more newlines */
435 a596b957 2022-07-14 tracey | /* empty */
440 a596b957 2022-07-14 tracey struct keywords {
441 a596b957 2022-07-14 tracey const char *k_name;
442 a596b957 2022-07-14 tracey int k_val;
446 a596b957 2022-07-14 tracey yyerror(const char *fmt, ...)
448 a596b957 2022-07-14 tracey va_list ap;
449 a596b957 2022-07-14 tracey char *msg;
451 a596b957 2022-07-14 tracey file->errors++;
452 a596b957 2022-07-14 tracey va_start(ap, fmt);
453 a596b957 2022-07-14 tracey if (vasprintf(&msg, fmt, ap) == -1)
454 a596b957 2022-07-14 tracey fatalx("yyerror vasprintf");
455 a596b957 2022-07-14 tracey va_end(ap);
456 a596b957 2022-07-14 tracey logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
457 a596b957 2022-07-14 tracey free(msg);
458 a596b957 2022-07-14 tracey return (0);
462 a596b957 2022-07-14 tracey kw_cmp(const void *k, const void *e)
464 a596b957 2022-07-14 tracey return (strcmp(k, ((const struct keywords *)e)->k_name));
468 a596b957 2022-07-14 tracey lookup(char *s)
470 a596b957 2022-07-14 tracey /* This has to be sorted always. */
471 a596b957 2022-07-14 tracey static const struct keywords keywords[] = {
472 a596b957 2022-07-14 tracey { "bind", BIND },
473 a596b957 2022-07-14 tracey { "chroot", CHROOT },
474 a596b957 2022-07-14 tracey { "custom_css", CUSTOM_CSS },
475 a596b957 2022-07-14 tracey { "fcgi_socket", FCGI_SOCKET },
476 a596b957 2022-07-14 tracey { "interface", INTERFACE },
477 a596b957 2022-07-14 tracey { "logo", LOGO },
478 a596b957 2022-07-14 tracey { "logo_url" , LOGO_URL },
479 a596b957 2022-07-14 tracey { "max_commits_display", MAX_COMMITS_DISPLAY },
480 a596b957 2022-07-14 tracey { "max_repos", MAX_REPOS },
481 a596b957 2022-07-14 tracey { "max_repos_display", MAX_REPOS_DISPLAY },
482 a596b957 2022-07-14 tracey { "port", PORT },
483 a596b957 2022-07-14 tracey { "prefork", PREFORK },
484 a596b957 2022-07-14 tracey { "repos_path", REPOS_PATH },
485 a596b957 2022-07-14 tracey { "server", SERVER },
486 a596b957 2022-07-14 tracey { "show_repo_age", SHOW_REPO_AGE },
487 a596b957 2022-07-14 tracey { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
488 a596b957 2022-07-14 tracey { "show_repo_description", SHOW_REPO_DESCRIPTION },
489 a596b957 2022-07-14 tracey { "show_repo_owner", SHOW_REPO_OWNER },
490 a596b957 2022-07-14 tracey { "show_site_owner", SHOW_SITE_OWNER },
491 a596b957 2022-07-14 tracey { "site_link", SITE_LINK },
492 a596b957 2022-07-14 tracey { "site_name", SITE_NAME },
493 a596b957 2022-07-14 tracey { "site_owner", SITE_OWNER },
494 a596b957 2022-07-14 tracey { "unix_socket", UNIX_SOCKET },
495 a596b957 2022-07-14 tracey { "unix_socket_name", UNIX_SOCKET_NAME },
497 a596b957 2022-07-14 tracey const struct keywords *p;
499 a596b957 2022-07-14 tracey p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
500 a596b957 2022-07-14 tracey sizeof(keywords[0]), kw_cmp);
503 a596b957 2022-07-14 tracey return (p->k_val);
505 a596b957 2022-07-14 tracey return (STRING);
508 a596b957 2022-07-14 tracey #define MAXPUSHBACK 128
510 a596b957 2022-07-14 tracey unsigned char *parsebuf;
511 a596b957 2022-07-14 tracey int parseindex;
512 a596b957 2022-07-14 tracey unsigned char pushback_buffer[MAXPUSHBACK];
513 a596b957 2022-07-14 tracey int pushback_index = 0;
516 a596b957 2022-07-14 tracey lgetc(int quotec)
518 a596b957 2022-07-14 tracey int c, next;
520 a596b957 2022-07-14 tracey if (parsebuf) {
521 a596b957 2022-07-14 tracey /* Read character from the parsebuffer instead of input. */
522 a596b957 2022-07-14 tracey if (parseindex >= 0) {
523 a596b957 2022-07-14 tracey c = parsebuf[parseindex++];
524 a596b957 2022-07-14 tracey if (c != '\0')
525 a596b957 2022-07-14 tracey return (c);
526 a596b957 2022-07-14 tracey parsebuf = NULL;
528 a596b957 2022-07-14 tracey parseindex++;
531 a596b957 2022-07-14 tracey if (pushback_index)
532 a596b957 2022-07-14 tracey return (pushback_buffer[--pushback_index]);
534 a596b957 2022-07-14 tracey if (quotec) {
535 a596b957 2022-07-14 tracey c = getc(file->stream);
536 a596b957 2022-07-14 tracey if (c == EOF)
537 a596b957 2022-07-14 tracey yyerror("reached end of file while parsing "
538 a596b957 2022-07-14 tracey "quoted string");
539 a596b957 2022-07-14 tracey return (c);
542 a596b957 2022-07-14 tracey c = getc(file->stream);
543 a596b957 2022-07-14 tracey while (c == '\\') {
544 a596b957 2022-07-14 tracey next = getc(file->stream);
545 a596b957 2022-07-14 tracey if (next != '\n') {
546 a596b957 2022-07-14 tracey c = next;
549 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
550 a596b957 2022-07-14 tracey file->lineno++;
551 a596b957 2022-07-14 tracey c = getc(file->stream);
554 a596b957 2022-07-14 tracey return (c);
558 a596b957 2022-07-14 tracey lungetc(int c)
560 a596b957 2022-07-14 tracey if (c == EOF)
561 a596b957 2022-07-14 tracey return (EOF);
562 a596b957 2022-07-14 tracey if (parsebuf) {
563 a596b957 2022-07-14 tracey parseindex--;
564 a596b957 2022-07-14 tracey if (parseindex >= 0)
565 a596b957 2022-07-14 tracey return (c);
567 a596b957 2022-07-14 tracey if (pushback_index < MAXPUSHBACK-1)
568 a596b957 2022-07-14 tracey return (pushback_buffer[pushback_index++] = c);
570 a596b957 2022-07-14 tracey return (EOF);
574 a596b957 2022-07-14 tracey findeol(void)
578 a596b957 2022-07-14 tracey parsebuf = NULL;
580 a596b957 2022-07-14 tracey /* Skip to either EOF or the first real EOL. */
581 a596b957 2022-07-14 tracey while (1) {
582 a596b957 2022-07-14 tracey if (pushback_index)
583 a596b957 2022-07-14 tracey c = pushback_buffer[--pushback_index];
585 a596b957 2022-07-14 tracey c = lgetc(0);
586 a596b957 2022-07-14 tracey if (c == '\n') {
587 a596b957 2022-07-14 tracey file->lineno++;
590 a596b957 2022-07-14 tracey if (c == EOF)
593 a596b957 2022-07-14 tracey return (ERROR);
597 a596b957 2022-07-14 tracey yylex(void)
599 a596b957 2022-07-14 tracey unsigned char buf[8096];
600 a596b957 2022-07-14 tracey unsigned char *p, *val;
601 a596b957 2022-07-14 tracey int quotec, next, c;
602 a596b957 2022-07-14 tracey int token;
606 a596b957 2022-07-14 tracey c = lgetc(0);
607 a596b957 2022-07-14 tracey while (c == ' ' || c == '\t')
608 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
610 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
611 a596b957 2022-07-14 tracey if (c == '#') {
612 a596b957 2022-07-14 tracey c = lgetc(0);
613 a596b957 2022-07-14 tracey while (c != '\n' && c != EOF)
614 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
616 a596b957 2022-07-14 tracey if (c == '$' && parsebuf == NULL) {
617 a596b957 2022-07-14 tracey while (1) {
618 a596b957 2022-07-14 tracey c = lgetc(0);
619 a596b957 2022-07-14 tracey if (c == EOF)
620 a596b957 2022-07-14 tracey return (0);
622 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
623 a596b957 2022-07-14 tracey yyerror("string too long");
624 a596b957 2022-07-14 tracey return (findeol());
626 a596b957 2022-07-14 tracey if (isalnum(c) || c == '_') {
627 a596b957 2022-07-14 tracey *p++ = c;
628 a596b957 2022-07-14 tracey continue;
630 a596b957 2022-07-14 tracey *p = '\0';
631 a596b957 2022-07-14 tracey lungetc(c);
634 a596b957 2022-07-14 tracey val = symget(buf);
635 a596b957 2022-07-14 tracey if (val == NULL) {
636 a596b957 2022-07-14 tracey yyerror("macro '%s' not defined", buf);
637 a596b957 2022-07-14 tracey return (findeol());
639 a596b957 2022-07-14 tracey parsebuf = val;
640 a596b957 2022-07-14 tracey parseindex = 0;
641 a596b957 2022-07-14 tracey goto top;
644 a596b957 2022-07-14 tracey switch (c) {
645 a596b957 2022-07-14 tracey case '\'':
646 a596b957 2022-07-14 tracey case '"':
647 a596b957 2022-07-14 tracey quotec = c;
648 a596b957 2022-07-14 tracey while (1) {
649 a596b957 2022-07-14 tracey c = lgetc(quotec);
650 a596b957 2022-07-14 tracey if (c == EOF)
651 a596b957 2022-07-14 tracey return (0);
652 a596b957 2022-07-14 tracey if (c == '\n') {
653 a596b957 2022-07-14 tracey file->lineno++;
654 a596b957 2022-07-14 tracey continue;
655 a596b957 2022-07-14 tracey } else if (c == '\\') {
656 a596b957 2022-07-14 tracey next = lgetc(quotec);
657 a596b957 2022-07-14 tracey if (next == EOF)
658 a596b957 2022-07-14 tracey return (0);
659 a596b957 2022-07-14 tracey if (next == quotec || c == ' ' || c == '\t')
660 a596b957 2022-07-14 tracey c = next;
661 a596b957 2022-07-14 tracey else if (next == '\n') {
662 a596b957 2022-07-14 tracey file->lineno++;
663 a596b957 2022-07-14 tracey continue;
665 a596b957 2022-07-14 tracey lungetc(next);
666 a596b957 2022-07-14 tracey } else if (c == quotec) {
667 a596b957 2022-07-14 tracey *p = '\0';
669 a596b957 2022-07-14 tracey } else if (c == '\0') {
670 a596b957 2022-07-14 tracey yyerror("syntax error");
671 a596b957 2022-07-14 tracey return (findeol());
673 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
674 a596b957 2022-07-14 tracey yyerror("string too long");
675 a596b957 2022-07-14 tracey return (findeol());
677 a596b957 2022-07-14 tracey *p++ = c;
679 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
680 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
681 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
682 a596b957 2022-07-14 tracey return (STRING);
685 a596b957 2022-07-14 tracey #define allowed_to_end_number(x) \
686 a596b957 2022-07-14 tracey (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
688 a596b957 2022-07-14 tracey if (c == '-' || isdigit(c)) {
690 a596b957 2022-07-14 tracey *p++ = c;
691 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
692 a596b957 2022-07-14 tracey yyerror("string too long");
693 a596b957 2022-07-14 tracey return (findeol());
695 a596b957 2022-07-14 tracey c = lgetc(0);
696 a596b957 2022-07-14 tracey } while (c != EOF && isdigit(c));
697 a596b957 2022-07-14 tracey lungetc(c);
698 a596b957 2022-07-14 tracey if (p == buf + 1 && buf[0] == '-')
699 a596b957 2022-07-14 tracey goto nodigits;
700 a596b957 2022-07-14 tracey if (c == EOF || allowed_to_end_number(c)) {
701 a596b957 2022-07-14 tracey const char *errstr = NULL;
703 a596b957 2022-07-14 tracey *p = '\0';
704 a596b957 2022-07-14 tracey yylval.v.number = strtonum(buf, LLONG_MIN,
705 a596b957 2022-07-14 tracey LLONG_MAX, &errstr);
706 a596b957 2022-07-14 tracey if (errstr) {
707 a596b957 2022-07-14 tracey yyerror("\"%s\" invalid number: %s",
708 a596b957 2022-07-14 tracey buf, errstr);
709 a596b957 2022-07-14 tracey return (findeol());
711 a596b957 2022-07-14 tracey return (NUMBER);
713 a596b957 2022-07-14 tracey nodigits:
714 a596b957 2022-07-14 tracey while (p > buf + 1)
715 a596b957 2022-07-14 tracey lungetc(*--p);
716 a596b957 2022-07-14 tracey c = *--p;
717 a596b957 2022-07-14 tracey if (c == '-')
718 a596b957 2022-07-14 tracey return (c);
722 a596b957 2022-07-14 tracey #define allowed_in_string(x) \
723 a596b957 2022-07-14 tracey (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
724 a596b957 2022-07-14 tracey x != '{' && x != '}' && \
725 a596b957 2022-07-14 tracey x != '!' && x != '=' && x != '#' && \
726 a596b957 2022-07-14 tracey x != ','))
728 a596b957 2022-07-14 tracey if (isalnum(c) || c == ':' || c == '_') {
730 a596b957 2022-07-14 tracey *p++ = c;
731 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
732 a596b957 2022-07-14 tracey yyerror("string too long");
733 a596b957 2022-07-14 tracey return (findeol());
735 a596b957 2022-07-14 tracey c = lgetc(0);
736 a596b957 2022-07-14 tracey } while (c != EOF && (allowed_in_string(c)));
737 a596b957 2022-07-14 tracey lungetc(c);
738 a596b957 2022-07-14 tracey *p = '\0';
739 a596b957 2022-07-14 tracey token = lookup(buf);
740 a596b957 2022-07-14 tracey if (token == STRING) {
741 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
742 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
743 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
745 a596b957 2022-07-14 tracey return (token);
747 a596b957 2022-07-14 tracey if (c == '\n') {
748 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
749 a596b957 2022-07-14 tracey file->lineno++;
751 a596b957 2022-07-14 tracey if (c == EOF)
752 a596b957 2022-07-14 tracey return (0);
753 a596b957 2022-07-14 tracey return (c);
757 a596b957 2022-07-14 tracey check_file_secrecy(int fd, const char *fname)
759 a596b957 2022-07-14 tracey struct stat st;
761 a596b957 2022-07-14 tracey if (fstat(fd, &st)) {
762 a596b957 2022-07-14 tracey log_warn("cannot stat %s", fname);
763 a596b957 2022-07-14 tracey return (-1);
765 a596b957 2022-07-14 tracey if (st.st_uid != 0 && st.st_uid != getuid()) {
766 a596b957 2022-07-14 tracey log_warnx("%s: owner not root or current user", fname);
767 a596b957 2022-07-14 tracey return (-1);
769 a596b957 2022-07-14 tracey if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
770 a596b957 2022-07-14 tracey log_warnx("%s: group writable or world read/writable", fname);
771 a596b957 2022-07-14 tracey return (-1);
773 a596b957 2022-07-14 tracey return (0);
776 a596b957 2022-07-14 tracey struct file *
777 a596b957 2022-07-14 tracey newfile(const char *name, int secret)
779 a596b957 2022-07-14 tracey struct file *nfile;
781 a596b957 2022-07-14 tracey nfile = calloc(1, sizeof(struct file));
782 a596b957 2022-07-14 tracey if (nfile == NULL) {
783 a596b957 2022-07-14 tracey log_warn("calloc");
784 a596b957 2022-07-14 tracey return (NULL);
786 a596b957 2022-07-14 tracey nfile->name = strdup(name);
787 a596b957 2022-07-14 tracey if (nfile->name == NULL) {
788 a596b957 2022-07-14 tracey log_warn("strdup");
789 a596b957 2022-07-14 tracey free(nfile);
790 a596b957 2022-07-14 tracey return (NULL);
792 a596b957 2022-07-14 tracey nfile->stream = fopen(nfile->name, "r");
793 a596b957 2022-07-14 tracey if (nfile->stream == NULL) {
794 a596b957 2022-07-14 tracey /* no warning, we don't require a conf file */
795 a596b957 2022-07-14 tracey free(nfile->name);
796 a596b957 2022-07-14 tracey free(nfile);
797 a596b957 2022-07-14 tracey return (NULL);
798 a596b957 2022-07-14 tracey } else if (secret &&
799 a596b957 2022-07-14 tracey check_file_secrecy(fileno(nfile->stream), nfile->name)) {
800 a596b957 2022-07-14 tracey fclose(nfile->stream);
801 a596b957 2022-07-14 tracey free(nfile->name);
802 a596b957 2022-07-14 tracey free(nfile);
803 a596b957 2022-07-14 tracey return (NULL);
805 a596b957 2022-07-14 tracey nfile->lineno = 1;
806 a596b957 2022-07-14 tracey return (nfile);
809 a596b957 2022-07-14 tracey static void
810 a596b957 2022-07-14 tracey closefile(struct file *xfile)
812 a596b957 2022-07-14 tracey fclose(xfile->stream);
813 a596b957 2022-07-14 tracey free(xfile->name);
814 a596b957 2022-07-14 tracey free(xfile);
818 a596b957 2022-07-14 tracey parse_config(const char *filename, struct gotwebd *env)
820 a596b957 2022-07-14 tracey struct sym *sym, *next;
822 a596b957 2022-07-14 tracey file = newfile(filename, 0);
823 a596b957 2022-07-14 tracey if (file == NULL)
824 a596b957 2022-07-14 tracey /* just return, as we don't require a conf file */
825 a596b957 2022-07-14 tracey return (0);
827 a596b957 2022-07-14 tracey if (config_init(env) == -1)
828 a596b957 2022-07-14 tracey fatalx("failed to initialize configuration");
830 a596b957 2022-07-14 tracey gotwebd = env;
832 a596b957 2022-07-14 tracey yyparse();
833 a596b957 2022-07-14 tracey errors = file->errors;
834 a596b957 2022-07-14 tracey closefile(file);
836 a596b957 2022-07-14 tracey /* Free macros and check which have not been used. */
837 a596b957 2022-07-14 tracey TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
838 a596b957 2022-07-14 tracey if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
839 a596b957 2022-07-14 tracey fprintf(stderr, "warning: macro '%s' not used\n",
840 a596b957 2022-07-14 tracey sym->nam);
841 a596b957 2022-07-14 tracey if (!sym->persist) {
842 a596b957 2022-07-14 tracey free(sym->nam);
843 a596b957 2022-07-14 tracey free(sym->val);
844 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
845 a596b957 2022-07-14 tracey free(sym);
849 a596b957 2022-07-14 tracey if (errors)
850 a596b957 2022-07-14 tracey return (-1);
852 a596b957 2022-07-14 tracey /* just add default server if no config specified */
853 a596b957 2022-07-14 tracey if (gotwebd->server_cnt == 0) {
854 a596b957 2022-07-14 tracey new_srv = conf_new_server(D_SITENAME);
855 a596b957 2022-07-14 tracey log_debug("%s: adding default server %s", __func__, D_SITENAME);
858 a596b957 2022-07-14 tracey /* setup our listening sockets */
859 a596b957 2022-07-14 tracey sockets_parse_sockets(env);
861 a596b957 2022-07-14 tracey return (0);
864 a596b957 2022-07-14 tracey struct server *
865 a596b957 2022-07-14 tracey conf_new_server(const char *name)
867 a596b957 2022-07-14 tracey struct server *srv = NULL;
870 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
871 a596b957 2022-07-14 tracey if (srv == NULL)
872 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
874 a596b957 2022-07-14 tracey n = strlcpy(srv->name, name, sizeof(srv->name));
875 a596b957 2022-07-14 tracey if (n >= sizeof(srv->name))
876 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
877 a596b957 2022-07-14 tracey n = snprintf(srv->unix_socket_name,
878 a596b957 2022-07-14 tracey sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
879 a596b957 2022-07-14 tracey D_UNIX_SOCKET);
880 a596b957 2022-07-14 tracey if (n < 0)
881 a596b957 2022-07-14 tracey fatalx("%s: snprintf", __func__);
882 a596b957 2022-07-14 tracey n = strlcpy(srv->repos_path, D_GOTPATH,
883 a596b957 2022-07-14 tracey sizeof(srv->repos_path));
884 a596b957 2022-07-14 tracey if (n >= sizeof(srv->repos_path))
885 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
886 a596b957 2022-07-14 tracey n = strlcpy(srv->site_name, D_SITENAME,
887 a596b957 2022-07-14 tracey sizeof(srv->site_name));
888 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_name))
889 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
890 a596b957 2022-07-14 tracey n = strlcpy(srv->site_owner, D_SITEOWNER,
891 a596b957 2022-07-14 tracey sizeof(srv->site_owner));
892 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_owner))
893 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
894 a596b957 2022-07-14 tracey n = strlcpy(srv->site_link, D_SITELINK,
895 a596b957 2022-07-14 tracey sizeof(srv->site_link));
896 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_link))
897 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
898 a596b957 2022-07-14 tracey n = strlcpy(srv->logo, D_GOTLOGO,
899 a596b957 2022-07-14 tracey sizeof(srv->logo));
900 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo))
901 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
902 a596b957 2022-07-14 tracey n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
903 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo_url))
904 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
905 a596b957 2022-07-14 tracey n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
906 a596b957 2022-07-14 tracey if (n >= sizeof(srv->custom_css))
907 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
909 a596b957 2022-07-14 tracey val = getservice(D_FCGI_PORT);
910 a596b957 2022-07-14 tracey srv->fcgi_socket_port = gotwebd->fcgi_socket_port ?
911 a596b957 2022-07-14 tracey gotwebd->fcgi_socket_port: htons(val);
913 a596b957 2022-07-14 tracey srv->show_site_owner = D_SHOWSOWNER;
914 a596b957 2022-07-14 tracey srv->show_repo_owner = D_SHOWROWNER;
915 a596b957 2022-07-14 tracey srv->show_repo_age = D_SHOWAGE;
916 a596b957 2022-07-14 tracey srv->show_repo_description = D_SHOWDESC;
917 a596b957 2022-07-14 tracey srv->show_repo_cloneurl = D_SHOWURL;
919 a596b957 2022-07-14 tracey srv->max_repos_display = D_MAXREPODISP;
920 a596b957 2022-07-14 tracey srv->max_commits_display = D_MAXCOMMITDISP;
921 a596b957 2022-07-14 tracey srv->max_repos = D_MAXREPO;
923 a596b957 2022-07-14 tracey srv->unix_socket = 1;
924 a596b957 2022-07-14 tracey srv->fcgi_socket = gotwebd->fcgi_socket ? gotwebd->fcgi_socket : 0;
926 a596b957 2022-07-14 tracey if ((srv->al = calloc(1, sizeof(*srv->al))) == NULL)
927 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
929 a596b957 2022-07-14 tracey TAILQ_INIT(srv->al);
930 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(gotwebd->servers, srv, entry);
931 a596b957 2022-07-14 tracey gotwebd->server_cnt++;
933 a596b957 2022-07-14 tracey return srv;
937 a596b957 2022-07-14 tracey symset(const char *nam, const char *val, int persist)
939 a596b957 2022-07-14 tracey struct sym *sym;
941 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
942 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0)
946 a596b957 2022-07-14 tracey if (sym != NULL) {
947 a596b957 2022-07-14 tracey if (sym->persist == 1)
948 a596b957 2022-07-14 tracey return (0);
950 a596b957 2022-07-14 tracey free(sym->nam);
951 a596b957 2022-07-14 tracey free(sym->val);
952 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
953 a596b957 2022-07-14 tracey free(sym);
956 a596b957 2022-07-14 tracey sym = calloc(1, sizeof(*sym));
957 a596b957 2022-07-14 tracey if (sym == NULL)
958 a596b957 2022-07-14 tracey return (-1);
960 a596b957 2022-07-14 tracey sym->nam = strdup(nam);
961 a596b957 2022-07-14 tracey if (sym->nam == NULL) {
962 a596b957 2022-07-14 tracey free(sym);
963 a596b957 2022-07-14 tracey return (-1);
965 a596b957 2022-07-14 tracey sym->val = strdup(val);
966 a596b957 2022-07-14 tracey if (sym->val == NULL) {
967 a596b957 2022-07-14 tracey free(sym->nam);
968 a596b957 2022-07-14 tracey free(sym);
969 a596b957 2022-07-14 tracey return (-1);
971 a596b957 2022-07-14 tracey sym->used = 0;
972 a596b957 2022-07-14 tracey sym->persist = persist;
973 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(&symhead, sym, entry);
974 a596b957 2022-07-14 tracey return (0);
978 a596b957 2022-07-14 tracey cmdline_symset(char *s)
980 a596b957 2022-07-14 tracey char *sym, *val;
982 a596b957 2022-07-14 tracey size_t len;
984 a596b957 2022-07-14 tracey val = strrchr(s, '=');
985 a596b957 2022-07-14 tracey if (val == NULL)
986 a596b957 2022-07-14 tracey return (-1);
988 a596b957 2022-07-14 tracey len = strlen(s) - strlen(val) + 1;
989 a596b957 2022-07-14 tracey sym = malloc(len);
990 a596b957 2022-07-14 tracey if (sym == NULL)
991 a596b957 2022-07-14 tracey fatal("%s: malloc", __func__);
993 a596b957 2022-07-14 tracey memcpy(&sym, s, len);
995 a596b957 2022-07-14 tracey ret = symset(sym, val + 1, 1);
996 a596b957 2022-07-14 tracey free(sym);
998 a596b957 2022-07-14 tracey return (ret);
1002 a596b957 2022-07-14 tracey symget(const char *nam)
1004 a596b957 2022-07-14 tracey struct sym *sym;
1006 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
1007 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0) {
1008 a596b957 2022-07-14 tracey sym->used = 1;
1009 a596b957 2022-07-14 tracey return (sym->val);
1012 a596b957 2022-07-14 tracey return (NULL);
1016 a596b957 2022-07-14 tracey getservice(const char *n)
1018 a596b957 2022-07-14 tracey struct servent *s;
1019 a596b957 2022-07-14 tracey const char *errstr;
1020 a596b957 2022-07-14 tracey long long llval;
1022 a596b957 2022-07-14 tracey llval = strtonum(n, 0, UINT16_MAX, &errstr);
1023 a596b957 2022-07-14 tracey if (errstr) {
1024 a596b957 2022-07-14 tracey s = getservbyname(n, "tcp");
1025 a596b957 2022-07-14 tracey if (s == NULL)
1026 a596b957 2022-07-14 tracey s = getservbyname(n, "udp");
1027 a596b957 2022-07-14 tracey if (s == NULL)
1028 a596b957 2022-07-14 tracey return (-1);
1029 a596b957 2022-07-14 tracey return (s->s_port);
1032 a596b957 2022-07-14 tracey return (htons((unsigned short)llval));
1035 a596b957 2022-07-14 tracey struct address *
1036 a596b957 2022-07-14 tracey host_v4(const char *s)
1038 a596b957 2022-07-14 tracey struct in_addr ina;
1039 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1040 a596b957 2022-07-14 tracey struct address *h;
1042 a596b957 2022-07-14 tracey memset(&ina, 0, sizeof(ina));
1043 a596b957 2022-07-14 tracey if (inet_pton(AF_INET, s, &ina) != 1)
1044 a596b957 2022-07-14 tracey return (NULL);
1046 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1047 a596b957 2022-07-14 tracey fatal(__func__);
1048 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1049 a596b957 2022-07-14 tracey sain->sin_len = sizeof(struct sockaddr_in);
1050 a596b957 2022-07-14 tracey sain->sin_family = AF_INET;
1051 a596b957 2022-07-14 tracey sain->sin_addr.s_addr = ina.s_addr;
1052 a596b957 2022-07-14 tracey if (sain->sin_addr.s_addr == INADDR_ANY)
1053 a596b957 2022-07-14 tracey h->prefixlen = 0; /* 0.0.0.0 address */
1055 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1056 a596b957 2022-07-14 tracey return (h);
1059 a596b957 2022-07-14 tracey struct address *
1060 a596b957 2022-07-14 tracey host_v6(const char *s)
1062 a596b957 2022-07-14 tracey struct addrinfo hints, *res;
1063 a596b957 2022-07-14 tracey struct sockaddr_in6 *sa_in6;
1064 a596b957 2022-07-14 tracey struct address *h = NULL;
1066 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1067 a596b957 2022-07-14 tracey hints.ai_family = AF_INET6;
1068 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* dummy */
1069 a596b957 2022-07-14 tracey hints.ai_flags = AI_NUMERICHOST;
1070 a596b957 2022-07-14 tracey if (getaddrinfo(s, "0", &hints, &res) == 0) {
1071 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1072 a596b957 2022-07-14 tracey fatal(__func__);
1073 a596b957 2022-07-14 tracey sa_in6 = (struct sockaddr_in6 *)&h->ss;
1074 a596b957 2022-07-14 tracey sa_in6->sin6_len = sizeof(struct sockaddr_in6);
1075 a596b957 2022-07-14 tracey sa_in6->sin6_family = AF_INET6;
1076 a596b957 2022-07-14 tracey memcpy(&sa_in6->sin6_addr,
1077 a596b957 2022-07-14 tracey &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
1078 a596b957 2022-07-14 tracey sizeof(sa_in6->sin6_addr));
1079 a596b957 2022-07-14 tracey sa_in6->sin6_scope_id =
1080 a596b957 2022-07-14 tracey ((struct sockaddr_in6 *)res->ai_addr)->sin6_scope_id;
1081 a596b957 2022-07-14 tracey if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1082 a596b957 2022-07-14 tracey sizeof(sa_in6->sin6_addr)) == 0)
1083 a596b957 2022-07-14 tracey h->prefixlen = 0; /* any address */
1085 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1086 a596b957 2022-07-14 tracey freeaddrinfo(res);
1089 a596b957 2022-07-14 tracey return (h);
1093 a596b957 2022-07-14 tracey host_dns(const char *s, struct addresslist *al, int max,
1094 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1096 a596b957 2022-07-14 tracey struct addrinfo hints, *res0, *res;
1097 a596b957 2022-07-14 tracey int error, cnt = 0;
1098 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1099 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1100 a596b957 2022-07-14 tracey struct address *h;
1102 a596b957 2022-07-14 tracey if ((cnt = host_if(s, al, max, port, ifname, ipproto)) != 0)
1103 a596b957 2022-07-14 tracey return (cnt);
1105 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1106 a596b957 2022-07-14 tracey hints.ai_family = PF_UNSPEC;
1107 a596b957 2022-07-14 tracey hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1108 a596b957 2022-07-14 tracey hints.ai_flags = AI_ADDRCONFIG;
1109 a596b957 2022-07-14 tracey error = getaddrinfo(s, NULL, &hints, &res0);
1110 a596b957 2022-07-14 tracey if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1111 a596b957 2022-07-14 tracey return (0);
1112 a596b957 2022-07-14 tracey if (error) {
1113 a596b957 2022-07-14 tracey log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1114 a596b957 2022-07-14 tracey gai_strerror(error));
1115 a596b957 2022-07-14 tracey return (-1);
1118 a596b957 2022-07-14 tracey for (res = res0; res && cnt < max; res = res->ai_next) {
1119 a596b957 2022-07-14 tracey if (res->ai_family != AF_INET &&
1120 a596b957 2022-07-14 tracey res->ai_family != AF_INET6)
1121 a596b957 2022-07-14 tracey continue;
1122 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1123 a596b957 2022-07-14 tracey fatal(__func__);
1125 a596b957 2022-07-14 tracey if (port)
1126 a596b957 2022-07-14 tracey h->port = port;
1127 a596b957 2022-07-14 tracey if (ifname != NULL) {
1128 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1129 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1130 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1131 a596b957 2022-07-14 tracey __func__);
1132 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1133 a596b957 2022-07-14 tracey free(h);
1134 a596b957 2022-07-14 tracey return (-1);
1137 a596b957 2022-07-14 tracey if (ipproto != -1)
1138 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1139 a596b957 2022-07-14 tracey h->ss.ss_family = res->ai_family;
1140 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1142 a596b957 2022-07-14 tracey if (res->ai_family == AF_INET) {
1143 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1144 a596b957 2022-07-14 tracey sain->sin_len = sizeof(struct sockaddr_in);
1145 a596b957 2022-07-14 tracey sain->sin_addr.s_addr = ((struct sockaddr_in *)
1146 a596b957 2022-07-14 tracey res->ai_addr)->sin_addr.s_addr;
1147 a596b957 2022-07-14 tracey } else {
1148 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1149 a596b957 2022-07-14 tracey sin6->sin6_len = sizeof(struct sockaddr_in6);
1150 a596b957 2022-07-14 tracey memcpy(&sin6->sin6_addr, &((struct sockaddr_in6 *)
1151 a596b957 2022-07-14 tracey res->ai_addr)->sin6_addr, sizeof(struct in6_addr));
1154 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1157 a596b957 2022-07-14 tracey if (cnt == max && res) {
1158 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1159 a596b957 2022-07-14 tracey s, max);
1161 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1162 a596b957 2022-07-14 tracey return (cnt);
1166 a596b957 2022-07-14 tracey host_if(const char *s, struct addresslist *al, int max,
1167 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1169 a596b957 2022-07-14 tracey struct ifaddrs *ifap, *p;
1170 a596b957 2022-07-14 tracey struct sockaddr_in *sain;
1171 a596b957 2022-07-14 tracey struct sockaddr_in6 *sin6;
1172 a596b957 2022-07-14 tracey struct address *h;
1173 a596b957 2022-07-14 tracey int cnt = 0, af;
1175 a596b957 2022-07-14 tracey if (getifaddrs(&ifap) == -1)
1176 a596b957 2022-07-14 tracey fatal("getifaddrs");
1178 a596b957 2022-07-14 tracey /* First search for IPv4 addresses */
1179 a596b957 2022-07-14 tracey af = AF_INET;
1182 a596b957 2022-07-14 tracey for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1183 a596b957 2022-07-14 tracey if (p->ifa_addr == NULL ||
1184 a596b957 2022-07-14 tracey p->ifa_addr->sa_family != af ||
1185 a596b957 2022-07-14 tracey (strcmp(s, p->ifa_name) != 0 &&
1186 a596b957 2022-07-14 tracey !is_if_in_group(p->ifa_name, s)))
1187 a596b957 2022-07-14 tracey continue;
1188 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1189 a596b957 2022-07-14 tracey fatal("calloc");
1191 a596b957 2022-07-14 tracey if (port)
1192 a596b957 2022-07-14 tracey h->port = port;
1193 a596b957 2022-07-14 tracey if (ifname != NULL) {
1194 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1195 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1196 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1197 a596b957 2022-07-14 tracey __func__);
1198 a596b957 2022-07-14 tracey free(h);
1199 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1200 a596b957 2022-07-14 tracey return (-1);
1203 a596b957 2022-07-14 tracey if (ipproto != -1)
1204 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1205 a596b957 2022-07-14 tracey h->ss.ss_family = af;
1206 a596b957 2022-07-14 tracey h->prefixlen = -1; /* host address */
1208 a596b957 2022-07-14 tracey if (af == AF_INET) {
1209 a596b957 2022-07-14 tracey sain = (struct sockaddr_in *)&h->ss;
1210 a596b957 2022-07-14 tracey sain->sin_len = sizeof(struct sockaddr_in);
1211 a596b957 2022-07-14 tracey sain->sin_addr.s_addr = ((struct sockaddr_in *)
1212 a596b957 2022-07-14 tracey p->ifa_addr)->sin_addr.s_addr;
1213 a596b957 2022-07-14 tracey } else {
1214 a596b957 2022-07-14 tracey sin6 = (struct sockaddr_in6 *)&h->ss;
1215 a596b957 2022-07-14 tracey sin6->sin6_len = sizeof(struct sockaddr_in6);
1216 a596b957 2022-07-14 tracey memcpy(&sin6->sin6_addr, &((struct sockaddr_in6 *)
1217 a596b957 2022-07-14 tracey p->ifa_addr)->sin6_addr, sizeof(struct in6_addr));
1218 a596b957 2022-07-14 tracey sin6->sin6_scope_id = ((struct sockaddr_in6 *)
1219 a596b957 2022-07-14 tracey p->ifa_addr)->sin6_scope_id;
1222 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1225 a596b957 2022-07-14 tracey if (af == AF_INET) {
1226 a596b957 2022-07-14 tracey /* Next search for IPv6 addresses */
1227 a596b957 2022-07-14 tracey af = AF_INET6;
1228 a596b957 2022-07-14 tracey goto nextaf;
1231 a596b957 2022-07-14 tracey if (cnt > max) {
1232 a596b957 2022-07-14 tracey log_warnx("%s: %s resolves to more than %d hosts", __func__,
1233 a596b957 2022-07-14 tracey s, max);
1235 a596b957 2022-07-14 tracey freeifaddrs(ifap);
1236 a596b957 2022-07-14 tracey return (cnt);
1240 a596b957 2022-07-14 tracey host(const char *s, struct addresslist *al, int max,
1241 a596b957 2022-07-14 tracey in_port_t port, const char *ifname, int ipproto)
1243 a596b957 2022-07-14 tracey struct address *h;
1245 a596b957 2022-07-14 tracey h = host_v4(s);
1247 a596b957 2022-07-14 tracey /* IPv6 address? */
1248 a596b957 2022-07-14 tracey if (h == NULL)
1249 a596b957 2022-07-14 tracey h = host_v6(s);
1251 a596b957 2022-07-14 tracey if (h != NULL) {
1252 a596b957 2022-07-14 tracey if (port)
1253 a596b957 2022-07-14 tracey h->port = port;
1254 a596b957 2022-07-14 tracey if (ifname != NULL) {
1255 a596b957 2022-07-14 tracey if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1256 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1257 a596b957 2022-07-14 tracey log_warnx("%s: interface name truncated",
1258 a596b957 2022-07-14 tracey __func__);
1259 a596b957 2022-07-14 tracey free(h);
1260 a596b957 2022-07-14 tracey return (-1);
1263 a596b957 2022-07-14 tracey if (ipproto != -1)
1264 a596b957 2022-07-14 tracey h->ipproto = ipproto;
1266 a596b957 2022-07-14 tracey TAILQ_INSERT_HEAD(al, h, entry);
1267 a596b957 2022-07-14 tracey return (1);
1270 a596b957 2022-07-14 tracey return (host_dns(s, al, max, port, ifname, ipproto));
1274 a596b957 2022-07-14 tracey is_if_in_group(const char *ifname, const char *groupname)
1276 a596b957 2022-07-14 tracey unsigned int len;
1277 a596b957 2022-07-14 tracey struct ifgroupreq ifgr;
1278 a596b957 2022-07-14 tracey struct ifg_req *ifg;
1280 a596b957 2022-07-14 tracey int ret = 0;
1282 a596b957 2022-07-14 tracey if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1283 a596b957 2022-07-14 tracey err(1, "socket");
1285 a596b957 2022-07-14 tracey memset(&ifgr, 0, sizeof(ifgr));
1286 a596b957 2022-07-14 tracey if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1287 a596b957 2022-07-14 tracey err(1, "IFNAMSIZ");
1288 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1289 a596b957 2022-07-14 tracey if (errno == EINVAL || errno == ENOTTY)
1290 a596b957 2022-07-14 tracey goto end;
1291 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1294 a596b957 2022-07-14 tracey len = ifgr.ifgr_len;
1295 a596b957 2022-07-14 tracey ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1296 a596b957 2022-07-14 tracey sizeof(struct ifg_req));
1297 a596b957 2022-07-14 tracey if (ifgr.ifgr_groups == NULL)
1298 a596b957 2022-07-14 tracey err(1, "getifgroups");
1299 a596b957 2022-07-14 tracey if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1300 a596b957 2022-07-14 tracey err(1, "SIOCGIFGROUP");
1302 a596b957 2022-07-14 tracey ifg = ifgr.ifgr_groups;
1303 a596b957 2022-07-14 tracey for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1304 a596b957 2022-07-14 tracey len -= sizeof(struct ifg_req);
1305 a596b957 2022-07-14 tracey if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1306 a596b957 2022-07-14 tracey ret = 1;
1310 a596b957 2022-07-14 tracey free(ifgr.ifgr_groups);
1313 a596b957 2022-07-14 tracey close(s);
1314 a596b957 2022-07-14 tracey return (ret);
1318 a596b957 2022-07-14 tracey get_addrs(const char *addr, struct addresslist *al, in_port_t port)
1320 a596b957 2022-07-14 tracey if (strcmp("", addr) == 0) {
1321 a596b957 2022-07-14 tracey if (host("0.0.0.0", al, 1, port, "0.0.0.0", -1) <= 0) {
1322 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s",
1323 a596b957 2022-07-14 tracey "0.0.0.0");
1324 a596b957 2022-07-14 tracey return (-1);
1326 a596b957 2022-07-14 tracey if (host("::", al, 1, port, "::", -1) <= 0) {
1327 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", "::");
1328 a596b957 2022-07-14 tracey return (-1);
1330 a596b957 2022-07-14 tracey } else {
1331 a596b957 2022-07-14 tracey if (host(addr, al, GOTWEBD_MAXIFACE, port, addr,
1332 a596b957 2022-07-14 tracey -1) <= 0) {
1333 a596b957 2022-07-14 tracey yyerror("invalid listen ip: %s", addr);
1334 a596b957 2022-07-14 tracey return (-1);
1337 a596b957 2022-07-14 tracey return (0);
