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 df2d3cd2 2023-03-11 op #include "got_reference.h"
52 a596b957 2022-07-14 tracey #include "gotwebd.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 89cfaaa7 2023-11-15 op int get_addrs(const char *, const char *, struct server *);
97 67d8de2a 2022-08-29 stsp int addr_dup_check(struct addresslist *, struct address *,
98 67d8de2a 2022-08-29 stsp const char *, const char *);
99 67d8de2a 2022-08-29 stsp int add_addr(struct server *, struct address *);
101 a596b957 2022-07-14 tracey typedef struct {
103 a596b957 2022-07-14 tracey long long number;
104 a596b957 2022-07-14 tracey char *string;
106 a596b957 2022-07-14 tracey int lineno;
107 a596b957 2022-07-14 tracey } YYSTYPE;
111 d8473d93 2022-08-11 stsp %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
112 a596b957 2022-07-14 tracey %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
113 a596b957 2022-07-14 tracey %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
114 d5996b9e 2022-10-31 landry %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
115 3a1c1a1b 2023-01-04 op %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
117 a596b957 2022-07-14 tracey %token <v.string> STRING
118 a596b957 2022-07-14 tracey %token <v.number> NUMBER
119 a596b957 2022-07-14 tracey %type <v.number> boolean
120 c5e111b9 2023-11-15 op %type <v.string> listen_addr
124 47b307cd 2022-10-02 op grammar : /* empty */
125 a596b957 2022-07-14 tracey | grammar '\n'
126 47b307cd 2022-10-02 op | grammar varset '\n'
127 a596b957 2022-07-14 tracey | grammar main '\n'
128 a596b957 2022-07-14 tracey | grammar server '\n'
129 47b307cd 2022-10-02 op | grammar error '\n' { file->errors++; }
132 47b307cd 2022-10-02 op varset : STRING '=' STRING {
133 47b307cd 2022-10-02 op char *s = $1;
134 47b307cd 2022-10-02 op while (*s++) {
135 47b307cd 2022-10-02 op if (isspace((unsigned char)*s)) {
136 47b307cd 2022-10-02 op yyerror("macro name cannot contain "
137 47b307cd 2022-10-02 op "whitespace");
143 47b307cd 2022-10-02 op if (symset($1, $3, 0) == -1)
144 47b307cd 2022-10-02 op fatal("cannot store variable");
150 a596b957 2022-07-14 tracey boolean : STRING {
151 a596b957 2022-07-14 tracey if (strcasecmp($1, "1") == 0 ||
152 a596b957 2022-07-14 tracey strcasecmp($1, "on") == 0)
154 a596b957 2022-07-14 tracey else if (strcasecmp($1, "0") == 0 ||
155 031687ba 2023-06-15 op strcasecmp($1, "off") == 0)
158 a596b957 2022-07-14 tracey yyerror("invalid boolean value '%s'", $1);
159 a596b957 2022-07-14 tracey free($1);
162 a596b957 2022-07-14 tracey free($1);
164 a596b957 2022-07-14 tracey | ON { $$ = 1; }
166 1a0c81fb 2023-06-15 op if ($1 != 0 && $1 != 1) {
167 1a0c81fb 2023-06-15 op yyerror("invalid boolean value '%lld'", $1);
174 c5e111b9 2023-11-15 op listen_addr : '*' { $$ = NULL; }
178 a596b957 2022-07-14 tracey main : PREFORK NUMBER {
179 1a0c81fb 2023-06-15 op if ($2 <= 0 || $2 > PROC_MAX_INSTANCES) {
180 1a0c81fb 2023-06-15 op yyerror("prefork is %s: %lld",
181 1a0c81fb 2023-06-15 op $2 <= 0 ? "too small" : "too large", $2);
184 a596b957 2022-07-14 tracey gotwebd->prefork_gotwebd = $2;
186 a596b957 2022-07-14 tracey | CHROOT STRING {
187 a678036d 2023-06-15 op if (*$2 == '\0') {
188 a678036d 2023-06-15 op yyerror("chroot path can't be an empty"
194 a596b957 2022-07-14 tracey n = strlcpy(gotwebd->httpd_chroot, $2,
195 a596b957 2022-07-14 tracey sizeof(gotwebd->httpd_chroot));
196 a596b957 2022-07-14 tracey if (n >= sizeof(gotwebd->httpd_chroot)) {
197 a596b957 2022-07-14 tracey yyerror("%s: httpd_chroot truncated", __func__);
198 a596b957 2022-07-14 tracey free($2);
201 a596b957 2022-07-14 tracey free($2);
203 a596b957 2022-07-14 tracey | UNIX_SOCKET boolean {
204 a596b957 2022-07-14 tracey gotwebd->unix_socket = $2;
206 a596b957 2022-07-14 tracey | UNIX_SOCKET_NAME STRING {
207 a596b957 2022-07-14 tracey n = snprintf(gotwebd->unix_socket_name,
208 a596b957 2022-07-14 tracey sizeof(gotwebd->unix_socket_name), "%s%s",
209 f4a5cef1 2023-06-15 op gotwebd->httpd_chroot, $2);
211 438d0cc3 2022-08-16 op (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
212 a596b957 2022-07-14 tracey yyerror("%s: unix_socket_name truncated",
213 a596b957 2022-07-14 tracey __func__);
214 a596b957 2022-07-14 tracey free($2);
217 a596b957 2022-07-14 tracey free($2);
221 a596b957 2022-07-14 tracey server : SERVER STRING {
222 a596b957 2022-07-14 tracey struct server *srv;
224 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
225 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
226 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
227 a596b957 2022-07-14 tracey free($2);
232 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
233 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
234 a596b957 2022-07-14 tracey free($2);
236 a596b957 2022-07-14 tracey | SERVER STRING {
237 a596b957 2022-07-14 tracey struct server *srv;
239 2ad48e9a 2022-08-16 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
240 a596b957 2022-07-14 tracey if (strcmp(srv->name, $2) == 0) {
241 a596b957 2022-07-14 tracey yyerror("server name exists '%s'", $2);
242 a596b957 2022-07-14 tracey free($2);
247 a596b957 2022-07-14 tracey new_srv = conf_new_server($2);
248 a596b957 2022-07-14 tracey log_debug("adding server %s", $2);
249 a596b957 2022-07-14 tracey free($2);
250 a596b957 2022-07-14 tracey } '{' optnl serveropts2 '}' {
254 a596b957 2022-07-14 tracey serveropts1 : REPOS_PATH STRING {
255 a596b957 2022-07-14 tracey n = strlcpy(new_srv->repos_path, $2,
256 a596b957 2022-07-14 tracey sizeof(new_srv->repos_path));
257 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->repos_path)) {
258 a596b957 2022-07-14 tracey yyerror("%s: repos_path truncated", __func__);
259 a596b957 2022-07-14 tracey free($2);
262 a596b957 2022-07-14 tracey free($2);
264 a596b957 2022-07-14 tracey | SITE_NAME STRING {
265 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_name, $2,
266 a596b957 2022-07-14 tracey sizeof(new_srv->site_name));
267 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_name)) {
268 a596b957 2022-07-14 tracey yyerror("%s: site_name truncated", __func__);
269 a596b957 2022-07-14 tracey free($2);
272 a596b957 2022-07-14 tracey free($2);
274 a596b957 2022-07-14 tracey | SITE_OWNER STRING {
275 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_owner, $2,
276 a596b957 2022-07-14 tracey sizeof(new_srv->site_owner));
277 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_owner)) {
278 a596b957 2022-07-14 tracey yyerror("%s: site_owner truncated", __func__);
279 a596b957 2022-07-14 tracey free($2);
282 a596b957 2022-07-14 tracey free($2);
284 a596b957 2022-07-14 tracey | SITE_LINK STRING {
285 a596b957 2022-07-14 tracey n = strlcpy(new_srv->site_link, $2,
286 a596b957 2022-07-14 tracey sizeof(new_srv->site_link));
287 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->site_link)) {
288 a596b957 2022-07-14 tracey yyerror("%s: site_link truncated", __func__);
289 a596b957 2022-07-14 tracey free($2);
292 a596b957 2022-07-14 tracey free($2);
294 a596b957 2022-07-14 tracey | LOGO STRING {
295 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
296 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo)) {
297 a596b957 2022-07-14 tracey yyerror("%s: logo truncated", __func__);
298 a596b957 2022-07-14 tracey free($2);
301 a596b957 2022-07-14 tracey free($2);
303 a596b957 2022-07-14 tracey | LOGO_URL STRING {
304 a596b957 2022-07-14 tracey n = strlcpy(new_srv->logo_url, $2,
305 a596b957 2022-07-14 tracey sizeof(new_srv->logo_url));
306 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->logo_url)) {
307 a596b957 2022-07-14 tracey yyerror("%s: logo_url truncated", __func__);
308 a596b957 2022-07-14 tracey free($2);
311 a596b957 2022-07-14 tracey free($2);
313 a596b957 2022-07-14 tracey | CUSTOM_CSS STRING {
314 a596b957 2022-07-14 tracey n = strlcpy(new_srv->custom_css, $2,
315 a596b957 2022-07-14 tracey sizeof(new_srv->custom_css));
316 a596b957 2022-07-14 tracey if (n >= sizeof(new_srv->custom_css)) {
317 a596b957 2022-07-14 tracey yyerror("%s: custom_css truncated", __func__);
318 a596b957 2022-07-14 tracey free($2);
321 a596b957 2022-07-14 tracey free($2);
323 89cfaaa7 2023-11-15 op | LISTEN ON listen_addr PORT STRING {
324 89cfaaa7 2023-11-15 op if (get_addrs($3, $5, new_srv) == -1) {
325 67d8de2a 2022-08-29 stsp yyerror("could not get addrs");
330 6c8aa58f 2022-08-30 stsp new_srv->fcgi_socket = 1;
332 89cfaaa7 2023-11-15 op | LISTEN ON listen_addr PORT NUMBER {
333 89cfaaa7 2023-11-15 op char portno[32];
336 89cfaaa7 2023-11-15 op n = snprintf(portno, sizeof(portno), "%lld",
337 89cfaaa7 2023-11-15 op (long long)$5);
338 89cfaaa7 2023-11-15 op if (n < 0 || (size_t)n >= sizeof(portno))
339 89cfaaa7 2023-11-15 op fatalx("port number too long: %lld",
340 89cfaaa7 2023-11-15 op (long long)$5);
342 89cfaaa7 2023-11-15 op if (get_addrs($3, portno, new_srv) == -1) {
343 89cfaaa7 2023-11-15 op yyerror("could not get addrs");
347 89cfaaa7 2023-11-15 op new_srv->fcgi_socket = 1;
349 3a1c1a1b 2023-01-04 op | LISTEN ON SOCKET STRING {
350 031687ba 2023-06-15 op if (strcasecmp($4, "off") == 0) {
351 3a1c1a1b 2023-01-04 op new_srv->unix_socket = 0;
356 3a1c1a1b 2023-01-04 op new_srv->unix_socket = 1;
358 3a1c1a1b 2023-01-04 op n = snprintf(new_srv->unix_socket_name,
359 3a1c1a1b 2023-01-04 op sizeof(new_srv->unix_socket_name), "%s%s",
360 f4a5cef1 2023-06-15 op gotwebd->httpd_chroot, $4);
362 3a1c1a1b 2023-01-04 op (size_t)n >= sizeof(new_srv->unix_socket_name)) {
363 3a1c1a1b 2023-01-04 op yyerror("%s: unix_socket_name truncated",
370 a596b957 2022-07-14 tracey | MAX_REPOS NUMBER {
371 1a0c81fb 2023-06-15 op if ($2 <= 0) {
372 1a0c81fb 2023-06-15 op yyerror("max_repos is too small: %lld", $2);
375 1a0c81fb 2023-06-15 op new_srv->max_repos = $2;
377 a596b957 2022-07-14 tracey | SHOW_SITE_OWNER boolean {
378 a596b957 2022-07-14 tracey new_srv->show_site_owner = $2;
380 a596b957 2022-07-14 tracey | SHOW_REPO_OWNER boolean {
381 a596b957 2022-07-14 tracey new_srv->show_repo_owner = $2;
383 a596b957 2022-07-14 tracey | SHOW_REPO_AGE boolean {
384 a596b957 2022-07-14 tracey new_srv->show_repo_age = $2;
386 a596b957 2022-07-14 tracey | SHOW_REPO_DESCRIPTION boolean {
387 a596b957 2022-07-14 tracey new_srv->show_repo_description = $2;
389 a596b957 2022-07-14 tracey | SHOW_REPO_CLONEURL boolean {
390 a596b957 2022-07-14 tracey new_srv->show_repo_cloneurl = $2;
392 d5996b9e 2022-10-31 landry | RESPECT_EXPORTOK boolean {
393 d5996b9e 2022-10-31 landry new_srv->respect_exportok = $2;
395 a596b957 2022-07-14 tracey | MAX_REPOS_DISPLAY NUMBER {
396 20f27972 2023-06-19 op if ($2 < 0) {
397 1a0c81fb 2023-06-15 op yyerror("max_repos_display is too small: %lld",
401 1a0c81fb 2023-06-15 op new_srv->max_repos_display = $2;
403 a596b957 2022-07-14 tracey | MAX_COMMITS_DISPLAY NUMBER {
404 f4425f95 2023-06-14 op if ($2 <= 1) {
405 f4425f95 2023-06-14 op yyerror("max_commits_display is too small:"
406 f4425f95 2023-06-14 op " %lld", $2);
409 f4425f95 2023-06-14 op new_srv->max_commits_display = $2;
413 a596b957 2022-07-14 tracey serveropts2 : serveropts2 serveropts1 nl
414 a596b957 2022-07-14 tracey | serveropts1 optnl
417 a596b957 2022-07-14 tracey nl : '\n' optnl
420 a596b957 2022-07-14 tracey optnl : '\n' optnl /* zero or more newlines */
421 a596b957 2022-07-14 tracey | /* empty */
426 a596b957 2022-07-14 tracey struct keywords {
427 a596b957 2022-07-14 tracey const char *k_name;
428 a596b957 2022-07-14 tracey int k_val;
432 a596b957 2022-07-14 tracey yyerror(const char *fmt, ...)
434 a596b957 2022-07-14 tracey va_list ap;
435 a596b957 2022-07-14 tracey char *msg;
437 a596b957 2022-07-14 tracey file->errors++;
438 a596b957 2022-07-14 tracey va_start(ap, fmt);
439 a596b957 2022-07-14 tracey if (vasprintf(&msg, fmt, ap) == -1)
440 a596b957 2022-07-14 tracey fatalx("yyerror vasprintf");
441 a596b957 2022-07-14 tracey va_end(ap);
442 a596b957 2022-07-14 tracey logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
443 a596b957 2022-07-14 tracey free(msg);
444 a596b957 2022-07-14 tracey return (0);
448 a596b957 2022-07-14 tracey kw_cmp(const void *k, const void *e)
450 a596b957 2022-07-14 tracey return (strcmp(k, ((const struct keywords *)e)->k_name));
454 a596b957 2022-07-14 tracey lookup(char *s)
456 a596b957 2022-07-14 tracey /* This has to be sorted always. */
457 a596b957 2022-07-14 tracey static const struct keywords keywords[] = {
458 a596b957 2022-07-14 tracey { "chroot", CHROOT },
459 a596b957 2022-07-14 tracey { "custom_css", CUSTOM_CSS },
460 d8473d93 2022-08-11 stsp { "listen", LISTEN },
461 a596b957 2022-07-14 tracey { "logo", LOGO },
462 8556b86b 2023-01-02 op { "logo_url", LOGO_URL },
463 a596b957 2022-07-14 tracey { "max_commits_display", MAX_COMMITS_DISPLAY },
464 a596b957 2022-07-14 tracey { "max_repos", MAX_REPOS },
465 a596b957 2022-07-14 tracey { "max_repos_display", MAX_REPOS_DISPLAY },
466 d8473d93 2022-08-11 stsp { "on", ON },
467 a596b957 2022-07-14 tracey { "port", PORT },
468 a596b957 2022-07-14 tracey { "prefork", PREFORK },
469 a596b957 2022-07-14 tracey { "repos_path", REPOS_PATH },
470 d5996b9e 2022-10-31 landry { "respect_exportok", RESPECT_EXPORTOK },
471 a596b957 2022-07-14 tracey { "server", SERVER },
472 a596b957 2022-07-14 tracey { "show_repo_age", SHOW_REPO_AGE },
473 a596b957 2022-07-14 tracey { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
474 a596b957 2022-07-14 tracey { "show_repo_description", SHOW_REPO_DESCRIPTION },
475 a596b957 2022-07-14 tracey { "show_repo_owner", SHOW_REPO_OWNER },
476 a596b957 2022-07-14 tracey { "show_site_owner", SHOW_SITE_OWNER },
477 a596b957 2022-07-14 tracey { "site_link", SITE_LINK },
478 a596b957 2022-07-14 tracey { "site_name", SITE_NAME },
479 a596b957 2022-07-14 tracey { "site_owner", SITE_OWNER },
480 3a1c1a1b 2023-01-04 op { "socket", SOCKET },
481 a596b957 2022-07-14 tracey { "unix_socket", UNIX_SOCKET },
482 a596b957 2022-07-14 tracey { "unix_socket_name", UNIX_SOCKET_NAME },
484 a596b957 2022-07-14 tracey const struct keywords *p;
486 a596b957 2022-07-14 tracey p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
487 a596b957 2022-07-14 tracey sizeof(keywords[0]), kw_cmp);
490 a596b957 2022-07-14 tracey return (p->k_val);
492 a596b957 2022-07-14 tracey return (STRING);
495 a596b957 2022-07-14 tracey #define MAXPUSHBACK 128
497 a596b957 2022-07-14 tracey unsigned char *parsebuf;
498 a596b957 2022-07-14 tracey int parseindex;
499 a596b957 2022-07-14 tracey unsigned char pushback_buffer[MAXPUSHBACK];
500 a596b957 2022-07-14 tracey int pushback_index = 0;
503 a596b957 2022-07-14 tracey lgetc(int quotec)
505 a596b957 2022-07-14 tracey int c, next;
507 a596b957 2022-07-14 tracey if (parsebuf) {
508 a596b957 2022-07-14 tracey /* Read character from the parsebuffer instead of input. */
509 a596b957 2022-07-14 tracey if (parseindex >= 0) {
510 a596b957 2022-07-14 tracey c = parsebuf[parseindex++];
511 a596b957 2022-07-14 tracey if (c != '\0')
512 a596b957 2022-07-14 tracey return (c);
513 a596b957 2022-07-14 tracey parsebuf = NULL;
515 a596b957 2022-07-14 tracey parseindex++;
518 a596b957 2022-07-14 tracey if (pushback_index)
519 a596b957 2022-07-14 tracey return (pushback_buffer[--pushback_index]);
521 a596b957 2022-07-14 tracey if (quotec) {
522 a596b957 2022-07-14 tracey c = getc(file->stream);
523 a596b957 2022-07-14 tracey if (c == EOF)
524 a596b957 2022-07-14 tracey yyerror("reached end of file while parsing "
525 a596b957 2022-07-14 tracey "quoted string");
526 a596b957 2022-07-14 tracey return (c);
529 a596b957 2022-07-14 tracey c = getc(file->stream);
530 a596b957 2022-07-14 tracey while (c == '\\') {
531 a596b957 2022-07-14 tracey next = getc(file->stream);
532 a596b957 2022-07-14 tracey if (next != '\n') {
533 a596b957 2022-07-14 tracey c = next;
536 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
537 a596b957 2022-07-14 tracey file->lineno++;
538 a596b957 2022-07-14 tracey c = getc(file->stream);
541 a596b957 2022-07-14 tracey return (c);
545 a596b957 2022-07-14 tracey lungetc(int c)
547 a596b957 2022-07-14 tracey if (c == EOF)
548 a596b957 2022-07-14 tracey return (EOF);
549 a596b957 2022-07-14 tracey if (parsebuf) {
550 a596b957 2022-07-14 tracey parseindex--;
551 a596b957 2022-07-14 tracey if (parseindex >= 0)
552 a596b957 2022-07-14 tracey return (c);
554 a596b957 2022-07-14 tracey if (pushback_index < MAXPUSHBACK-1)
555 a596b957 2022-07-14 tracey return (pushback_buffer[pushback_index++] = c);
557 a596b957 2022-07-14 tracey return (EOF);
561 a596b957 2022-07-14 tracey findeol(void)
565 a596b957 2022-07-14 tracey parsebuf = NULL;
567 a596b957 2022-07-14 tracey /* Skip to either EOF or the first real EOL. */
568 a596b957 2022-07-14 tracey while (1) {
569 a596b957 2022-07-14 tracey if (pushback_index)
570 a596b957 2022-07-14 tracey c = pushback_buffer[--pushback_index];
572 a596b957 2022-07-14 tracey c = lgetc(0);
573 a596b957 2022-07-14 tracey if (c == '\n') {
574 a596b957 2022-07-14 tracey file->lineno++;
577 a596b957 2022-07-14 tracey if (c == EOF)
580 a596b957 2022-07-14 tracey return (ERROR);
584 a596b957 2022-07-14 tracey yylex(void)
586 a596b957 2022-07-14 tracey unsigned char buf[8096];
587 a596b957 2022-07-14 tracey unsigned char *p, *val;
588 a596b957 2022-07-14 tracey int quotec, next, c;
589 a596b957 2022-07-14 tracey int token;
593 a596b957 2022-07-14 tracey c = lgetc(0);
594 a596b957 2022-07-14 tracey while (c == ' ' || c == '\t')
595 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
597 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
598 a596b957 2022-07-14 tracey if (c == '#') {
599 a596b957 2022-07-14 tracey c = lgetc(0);
600 a596b957 2022-07-14 tracey while (c != '\n' && c != EOF)
601 a596b957 2022-07-14 tracey c = lgetc(0); /* nothing */
603 a596b957 2022-07-14 tracey if (c == '$' && parsebuf == NULL) {
604 a596b957 2022-07-14 tracey while (1) {
605 a596b957 2022-07-14 tracey c = lgetc(0);
606 a596b957 2022-07-14 tracey if (c == EOF)
607 a596b957 2022-07-14 tracey return (0);
609 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
610 a596b957 2022-07-14 tracey yyerror("string too long");
611 a596b957 2022-07-14 tracey return (findeol());
613 a596b957 2022-07-14 tracey if (isalnum(c) || c == '_') {
614 a596b957 2022-07-14 tracey *p++ = c;
615 a596b957 2022-07-14 tracey continue;
617 a596b957 2022-07-14 tracey *p = '\0';
618 a596b957 2022-07-14 tracey lungetc(c);
621 a596b957 2022-07-14 tracey val = symget(buf);
622 a596b957 2022-07-14 tracey if (val == NULL) {
623 a596b957 2022-07-14 tracey yyerror("macro '%s' not defined", buf);
624 a596b957 2022-07-14 tracey return (findeol());
626 a596b957 2022-07-14 tracey parsebuf = val;
627 a596b957 2022-07-14 tracey parseindex = 0;
628 a596b957 2022-07-14 tracey goto top;
631 a596b957 2022-07-14 tracey switch (c) {
632 a596b957 2022-07-14 tracey case '\'':
633 a596b957 2022-07-14 tracey case '"':
634 a596b957 2022-07-14 tracey quotec = c;
635 a596b957 2022-07-14 tracey while (1) {
636 a596b957 2022-07-14 tracey c = lgetc(quotec);
637 a596b957 2022-07-14 tracey if (c == EOF)
638 a596b957 2022-07-14 tracey return (0);
639 a596b957 2022-07-14 tracey if (c == '\n') {
640 a596b957 2022-07-14 tracey file->lineno++;
641 a596b957 2022-07-14 tracey continue;
642 a596b957 2022-07-14 tracey } else if (c == '\\') {
643 a596b957 2022-07-14 tracey next = lgetc(quotec);
644 a596b957 2022-07-14 tracey if (next == EOF)
645 a596b957 2022-07-14 tracey return (0);
646 a596b957 2022-07-14 tracey if (next == quotec || c == ' ' || c == '\t')
647 a596b957 2022-07-14 tracey c = next;
648 a596b957 2022-07-14 tracey else if (next == '\n') {
649 a596b957 2022-07-14 tracey file->lineno++;
650 a596b957 2022-07-14 tracey continue;
652 a596b957 2022-07-14 tracey lungetc(next);
653 a596b957 2022-07-14 tracey } else if (c == quotec) {
654 a596b957 2022-07-14 tracey *p = '\0';
656 a596b957 2022-07-14 tracey } else if (c == '\0') {
657 a596b957 2022-07-14 tracey yyerror("syntax error");
658 a596b957 2022-07-14 tracey return (findeol());
660 a596b957 2022-07-14 tracey if (p + 1 >= buf + sizeof(buf) - 1) {
661 a596b957 2022-07-14 tracey yyerror("string too long");
662 a596b957 2022-07-14 tracey return (findeol());
664 a596b957 2022-07-14 tracey *p++ = c;
666 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
667 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
668 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
669 a596b957 2022-07-14 tracey return (STRING);
672 a596b957 2022-07-14 tracey #define allowed_to_end_number(x) \
673 a596b957 2022-07-14 tracey (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
675 a596b957 2022-07-14 tracey if (c == '-' || isdigit(c)) {
677 a596b957 2022-07-14 tracey *p++ = c;
678 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
679 a596b957 2022-07-14 tracey yyerror("string too long");
680 a596b957 2022-07-14 tracey return (findeol());
682 a596b957 2022-07-14 tracey c = lgetc(0);
683 a596b957 2022-07-14 tracey } while (c != EOF && isdigit(c));
684 a596b957 2022-07-14 tracey lungetc(c);
685 a596b957 2022-07-14 tracey if (p == buf + 1 && buf[0] == '-')
686 a596b957 2022-07-14 tracey goto nodigits;
687 a596b957 2022-07-14 tracey if (c == EOF || allowed_to_end_number(c)) {
688 a596b957 2022-07-14 tracey const char *errstr = NULL;
690 a596b957 2022-07-14 tracey *p = '\0';
691 a596b957 2022-07-14 tracey yylval.v.number = strtonum(buf, LLONG_MIN,
692 a596b957 2022-07-14 tracey LLONG_MAX, &errstr);
693 a596b957 2022-07-14 tracey if (errstr) {
694 a596b957 2022-07-14 tracey yyerror("\"%s\" invalid number: %s",
695 a596b957 2022-07-14 tracey buf, errstr);
696 a596b957 2022-07-14 tracey return (findeol());
698 a596b957 2022-07-14 tracey return (NUMBER);
700 a596b957 2022-07-14 tracey nodigits:
701 a596b957 2022-07-14 tracey while (p > buf + 1)
702 a596b957 2022-07-14 tracey lungetc(*--p);
703 a596b957 2022-07-14 tracey c = *--p;
704 a596b957 2022-07-14 tracey if (c == '-')
705 a596b957 2022-07-14 tracey return (c);
709 a596b957 2022-07-14 tracey #define allowed_in_string(x) \
710 a596b957 2022-07-14 tracey (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
711 a596b957 2022-07-14 tracey x != '{' && x != '}' && \
712 a596b957 2022-07-14 tracey x != '!' && x != '=' && x != '#' && \
713 a596b957 2022-07-14 tracey x != ','))
715 a596b957 2022-07-14 tracey if (isalnum(c) || c == ':' || c == '_') {
717 a596b957 2022-07-14 tracey *p++ = c;
718 a596b957 2022-07-14 tracey if ((unsigned)(p-buf) >= sizeof(buf)) {
719 a596b957 2022-07-14 tracey yyerror("string too long");
720 a596b957 2022-07-14 tracey return (findeol());
722 a596b957 2022-07-14 tracey c = lgetc(0);
723 a596b957 2022-07-14 tracey } while (c != EOF && (allowed_in_string(c)));
724 a596b957 2022-07-14 tracey lungetc(c);
725 a596b957 2022-07-14 tracey *p = '\0';
726 a596b957 2022-07-14 tracey token = lookup(buf);
727 a596b957 2022-07-14 tracey if (token == STRING) {
728 a596b957 2022-07-14 tracey yylval.v.string = strdup(buf);
729 a596b957 2022-07-14 tracey if (yylval.v.string == NULL)
730 a596b957 2022-07-14 tracey err(1, "yylex: strdup");
732 a596b957 2022-07-14 tracey return (token);
734 a596b957 2022-07-14 tracey if (c == '\n') {
735 a596b957 2022-07-14 tracey yylval.lineno = file->lineno;
736 a596b957 2022-07-14 tracey file->lineno++;
738 a596b957 2022-07-14 tracey if (c == EOF)
739 a596b957 2022-07-14 tracey return (0);
740 a596b957 2022-07-14 tracey return (c);
744 a596b957 2022-07-14 tracey check_file_secrecy(int fd, const char *fname)
746 a596b957 2022-07-14 tracey struct stat st;
748 a596b957 2022-07-14 tracey if (fstat(fd, &st)) {
749 a596b957 2022-07-14 tracey log_warn("cannot stat %s", fname);
750 a596b957 2022-07-14 tracey return (-1);
752 a596b957 2022-07-14 tracey if (st.st_uid != 0 && st.st_uid != getuid()) {
753 a596b957 2022-07-14 tracey log_warnx("%s: owner not root or current user", fname);
754 a596b957 2022-07-14 tracey return (-1);
756 a596b957 2022-07-14 tracey if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
757 a596b957 2022-07-14 tracey log_warnx("%s: group writable or world read/writable", fname);
758 a596b957 2022-07-14 tracey return (-1);
760 a596b957 2022-07-14 tracey return (0);
763 a596b957 2022-07-14 tracey struct file *
764 a596b957 2022-07-14 tracey newfile(const char *name, int secret)
766 a596b957 2022-07-14 tracey struct file *nfile;
768 a596b957 2022-07-14 tracey nfile = calloc(1, sizeof(struct file));
769 a596b957 2022-07-14 tracey if (nfile == NULL) {
770 a596b957 2022-07-14 tracey log_warn("calloc");
771 a596b957 2022-07-14 tracey return (NULL);
773 a596b957 2022-07-14 tracey nfile->name = strdup(name);
774 a596b957 2022-07-14 tracey if (nfile->name == NULL) {
775 a596b957 2022-07-14 tracey log_warn("strdup");
776 a596b957 2022-07-14 tracey free(nfile);
777 a596b957 2022-07-14 tracey return (NULL);
779 a596b957 2022-07-14 tracey nfile->stream = fopen(nfile->name, "r");
780 a596b957 2022-07-14 tracey if (nfile->stream == NULL) {
781 a596b957 2022-07-14 tracey /* no warning, we don't require a conf file */
782 a596b957 2022-07-14 tracey free(nfile->name);
783 a596b957 2022-07-14 tracey free(nfile);
784 a596b957 2022-07-14 tracey return (NULL);
785 a596b957 2022-07-14 tracey } else if (secret &&
786 a596b957 2022-07-14 tracey check_file_secrecy(fileno(nfile->stream), nfile->name)) {
787 a596b957 2022-07-14 tracey fclose(nfile->stream);
788 a596b957 2022-07-14 tracey free(nfile->name);
789 a596b957 2022-07-14 tracey free(nfile);
790 a596b957 2022-07-14 tracey return (NULL);
792 a596b957 2022-07-14 tracey nfile->lineno = 1;
793 a596b957 2022-07-14 tracey return (nfile);
796 a596b957 2022-07-14 tracey static void
797 a596b957 2022-07-14 tracey closefile(struct file *xfile)
799 a596b957 2022-07-14 tracey fclose(xfile->stream);
800 a596b957 2022-07-14 tracey free(xfile->name);
801 a596b957 2022-07-14 tracey free(xfile);
804 a0037b73 2022-08-03 stsp static void
805 a0037b73 2022-08-03 stsp add_default_server(void)
807 a0037b73 2022-08-03 stsp new_srv = conf_new_server(D_SITENAME);
808 a0037b73 2022-08-03 stsp log_debug("%s: adding default server %s", __func__, D_SITENAME);
812 a596b957 2022-07-14 tracey parse_config(const char *filename, struct gotwebd *env)
814 a596b957 2022-07-14 tracey struct sym *sym, *next;
816 a596b957 2022-07-14 tracey if (config_init(env) == -1)
817 a596b957 2022-07-14 tracey fatalx("failed to initialize configuration");
819 a596b957 2022-07-14 tracey gotwebd = env;
821 a0037b73 2022-08-03 stsp file = newfile(filename, 0);
822 a0037b73 2022-08-03 stsp if (file == NULL) {
823 a0037b73 2022-08-03 stsp add_default_server();
824 a0037b73 2022-08-03 stsp sockets_parse_sockets(env);
825 a0037b73 2022-08-03 stsp /* just return, as we don't require a conf file */
826 a0037b73 2022-08-03 stsp return (0);
829 a596b957 2022-07-14 tracey yyparse();
830 a596b957 2022-07-14 tracey errors = file->errors;
831 a596b957 2022-07-14 tracey closefile(file);
833 a596b957 2022-07-14 tracey /* Free macros and check which have not been used. */
834 a596b957 2022-07-14 tracey TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
835 a596b957 2022-07-14 tracey if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
836 a596b957 2022-07-14 tracey fprintf(stderr, "warning: macro '%s' not used\n",
837 a596b957 2022-07-14 tracey sym->nam);
838 a596b957 2022-07-14 tracey if (!sym->persist) {
839 a596b957 2022-07-14 tracey free(sym->nam);
840 a596b957 2022-07-14 tracey free(sym->val);
841 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
842 a596b957 2022-07-14 tracey free(sym);
846 a596b957 2022-07-14 tracey if (errors)
847 a596b957 2022-07-14 tracey return (-1);
849 a596b957 2022-07-14 tracey /* just add default server if no config specified */
850 a0037b73 2022-08-03 stsp if (gotwebd->server_cnt == 0)
851 a0037b73 2022-08-03 stsp add_default_server();
853 a596b957 2022-07-14 tracey /* setup our listening sockets */
854 a596b957 2022-07-14 tracey sockets_parse_sockets(env);
856 a596b957 2022-07-14 tracey return (0);
859 a596b957 2022-07-14 tracey struct server *
860 a596b957 2022-07-14 tracey conf_new_server(const char *name)
862 a596b957 2022-07-14 tracey struct server *srv = NULL;
864 a596b957 2022-07-14 tracey srv = calloc(1, sizeof(*srv));
865 a596b957 2022-07-14 tracey if (srv == NULL)
866 a596b957 2022-07-14 tracey fatalx("%s: calloc", __func__);
868 a596b957 2022-07-14 tracey n = strlcpy(srv->name, name, sizeof(srv->name));
869 a596b957 2022-07-14 tracey if (n >= sizeof(srv->name))
870 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
871 a596b957 2022-07-14 tracey n = snprintf(srv->unix_socket_name,
872 a596b957 2022-07-14 tracey sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
873 a596b957 2022-07-14 tracey D_UNIX_SOCKET);
874 438d0cc3 2022-08-16 op if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
875 a596b957 2022-07-14 tracey fatalx("%s: snprintf", __func__);
876 a596b957 2022-07-14 tracey n = strlcpy(srv->repos_path, D_GOTPATH,
877 a596b957 2022-07-14 tracey sizeof(srv->repos_path));
878 a596b957 2022-07-14 tracey if (n >= sizeof(srv->repos_path))
879 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
880 a596b957 2022-07-14 tracey n = strlcpy(srv->site_name, D_SITENAME,
881 a596b957 2022-07-14 tracey sizeof(srv->site_name));
882 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_name))
883 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
884 a596b957 2022-07-14 tracey n = strlcpy(srv->site_owner, D_SITEOWNER,
885 a596b957 2022-07-14 tracey sizeof(srv->site_owner));
886 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_owner))
887 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
888 a596b957 2022-07-14 tracey n = strlcpy(srv->site_link, D_SITELINK,
889 a596b957 2022-07-14 tracey sizeof(srv->site_link));
890 a596b957 2022-07-14 tracey if (n >= sizeof(srv->site_link))
891 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
892 a596b957 2022-07-14 tracey n = strlcpy(srv->logo, D_GOTLOGO,
893 a596b957 2022-07-14 tracey sizeof(srv->logo));
894 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo))
895 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
896 a596b957 2022-07-14 tracey n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
897 a596b957 2022-07-14 tracey if (n >= sizeof(srv->logo_url))
898 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
899 a596b957 2022-07-14 tracey n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
900 a596b957 2022-07-14 tracey if (n >= sizeof(srv->custom_css))
901 a596b957 2022-07-14 tracey fatalx("%s: strlcpy", __func__);
903 a596b957 2022-07-14 tracey srv->show_site_owner = D_SHOWSOWNER;
904 a596b957 2022-07-14 tracey srv->show_repo_owner = D_SHOWROWNER;
905 a596b957 2022-07-14 tracey srv->show_repo_age = D_SHOWAGE;
906 a596b957 2022-07-14 tracey srv->show_repo_description = D_SHOWDESC;
907 a596b957 2022-07-14 tracey srv->show_repo_cloneurl = D_SHOWURL;
908 d5996b9e 2022-10-31 landry srv->respect_exportok = D_RESPECTEXPORTOK;
910 a596b957 2022-07-14 tracey srv->max_repos_display = D_MAXREPODISP;
911 a596b957 2022-07-14 tracey srv->max_commits_display = D_MAXCOMMITDISP;
912 a596b957 2022-07-14 tracey srv->max_repos = D_MAXREPO;
914 a596b957 2022-07-14 tracey srv->unix_socket = 1;
915 6c8aa58f 2022-08-30 stsp srv->fcgi_socket = 0;
917 e087e1f6 2022-08-16 stsp TAILQ_INIT(&srv->al);
918 2ad48e9a 2022-08-16 stsp TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
919 a596b957 2022-07-14 tracey gotwebd->server_cnt++;
921 a596b957 2022-07-14 tracey return srv;
925 a596b957 2022-07-14 tracey symset(const char *nam, const char *val, int persist)
927 a596b957 2022-07-14 tracey struct sym *sym;
929 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
930 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0)
934 a596b957 2022-07-14 tracey if (sym != NULL) {
935 a596b957 2022-07-14 tracey if (sym->persist == 1)
936 a596b957 2022-07-14 tracey return (0);
938 a596b957 2022-07-14 tracey free(sym->nam);
939 a596b957 2022-07-14 tracey free(sym->val);
940 a596b957 2022-07-14 tracey TAILQ_REMOVE(&symhead, sym, entry);
941 a596b957 2022-07-14 tracey free(sym);
944 a596b957 2022-07-14 tracey sym = calloc(1, sizeof(*sym));
945 a596b957 2022-07-14 tracey if (sym == NULL)
946 a596b957 2022-07-14 tracey return (-1);
948 a596b957 2022-07-14 tracey sym->nam = strdup(nam);
949 a596b957 2022-07-14 tracey if (sym->nam == NULL) {
950 a596b957 2022-07-14 tracey free(sym);
951 a596b957 2022-07-14 tracey return (-1);
953 a596b957 2022-07-14 tracey sym->val = strdup(val);
954 a596b957 2022-07-14 tracey if (sym->val == NULL) {
955 a596b957 2022-07-14 tracey free(sym->nam);
956 a596b957 2022-07-14 tracey free(sym);
957 a596b957 2022-07-14 tracey return (-1);
959 a596b957 2022-07-14 tracey sym->used = 0;
960 a596b957 2022-07-14 tracey sym->persist = persist;
961 a596b957 2022-07-14 tracey TAILQ_INSERT_TAIL(&symhead, sym, entry);
962 a596b957 2022-07-14 tracey return (0);
966 a596b957 2022-07-14 tracey cmdline_symset(char *s)
968 a596b957 2022-07-14 tracey char *sym, *val;
971 a596b957 2022-07-14 tracey val = strrchr(s, '=');
972 a596b957 2022-07-14 tracey if (val == NULL)
973 a596b957 2022-07-14 tracey return (-1);
975 4cdd299d 2022-09-05 op sym = strndup(s, val - s);
976 a596b957 2022-07-14 tracey if (sym == NULL)
977 4cdd299d 2022-09-05 op fatal("%s: strndup", __func__);
979 a596b957 2022-07-14 tracey ret = symset(sym, val + 1, 1);
980 a596b957 2022-07-14 tracey free(sym);
982 a596b957 2022-07-14 tracey return (ret);
986 a596b957 2022-07-14 tracey symget(const char *nam)
988 a596b957 2022-07-14 tracey struct sym *sym;
990 a596b957 2022-07-14 tracey TAILQ_FOREACH(sym, &symhead, entry) {
991 a596b957 2022-07-14 tracey if (strcmp(nam, sym->nam) == 0) {
992 a596b957 2022-07-14 tracey sym->used = 1;
993 a596b957 2022-07-14 tracey return (sym->val);
996 a596b957 2022-07-14 tracey return (NULL);
1000 89cfaaa7 2023-11-15 op get_addrs(const char *hostname, const char *servname, struct server *new_srv)
1002 a596b957 2022-07-14 tracey struct addrinfo hints, *res0, *res;
1004 cdfd248a 2023-11-15 op struct sockaddr_in *sin;
1005 cdfd248a 2023-11-15 op struct sockaddr_in6 *sin6;
1006 a596b957 2022-07-14 tracey struct address *h;
1008 a596b957 2022-07-14 tracey memset(&hints, 0, sizeof(hints));
1009 fb307946 2023-05-29 op hints.ai_family = AF_UNSPEC;
1010 89cfaaa7 2023-11-15 op hints.ai_socktype = SOCK_STREAM;
1011 c5e111b9 2023-11-15 op hints.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
1012 89cfaaa7 2023-11-15 op error = getaddrinfo(hostname, servname, &hints, &res0);
1013 a596b957 2022-07-14 tracey if (error) {
1014 89cfaaa7 2023-11-15 op log_warnx("%s: could not parse \"%s:%s\": %s", __func__,
1015 89cfaaa7 2023-11-15 op hostname, servname, gai_strerror(error));
1016 a596b957 2022-07-14 tracey return (-1);
1019 c5e111b9 2023-11-15 op for (res = res0; res; res = res->ai_next) {
1020 a596b957 2022-07-14 tracey if ((h = calloc(1, sizeof(*h))) == NULL)
1021 a596b957 2022-07-14 tracey fatal(__func__);
1023 89cfaaa7 2023-11-15 op if (hostname == NULL) {
1024 c5e111b9 2023-11-15 op strlcpy(h->ifname, "*", sizeof(h->ifname));
1026 89cfaaa7 2023-11-15 op if (strlcpy(h->ifname, hostname, sizeof(h->ifname)) >=
1027 a596b957 2022-07-14 tracey sizeof(h->ifname)) {
1028 b8b20b3c 2023-11-15 op log_warnx("%s: address truncated: %s",
1029 b8b20b3c 2023-11-15 op __func__, hostname);
1030 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1031 a596b957 2022-07-14 tracey free(h);
1032 a596b957 2022-07-14 tracey return (-1);
1036 0c64c2f8 2023-11-15 op h->ai_family = res->ai_family;
1037 0c64c2f8 2023-11-15 op h->ai_socktype = res->ai_socktype;
1038 0c64c2f8 2023-11-15 op h->ai_protocol = res->ai_protocol;
1039 cdfd248a 2023-11-15 op memcpy(&h->ss, res->ai_addr, res->ai_addrlen);
1040 cdfd248a 2023-11-15 op h->slen = res->ai_addrlen;
1042 89cfaaa7 2023-11-15 op switch (res->ai_family) {
1043 89cfaaa7 2023-11-15 op case AF_INET:
1044 cdfd248a 2023-11-15 op sin = (struct sockaddr_in *)res->ai_addr;
1045 cdfd248a 2023-11-15 op h->port = ntohs(sin->sin_port);
1047 89cfaaa7 2023-11-15 op case AF_INET6:
1048 cdfd248a 2023-11-15 op sin6 = (struct sockaddr_in6 *)res->ai_addr;
1049 cdfd248a 2023-11-15 op h->port = ntohs(sin6->sin6_port);
1052 89cfaaa7 2023-11-15 op fatalx("unknown address family %d", res->ai_family);
1055 67d8de2a 2022-08-29 stsp if (add_addr(new_srv, h))
1056 67d8de2a 2022-08-29 stsp return -1;
1058 a596b957 2022-07-14 tracey freeaddrinfo(res0);
1059 a596b957 2022-07-14 tracey return (0);
1063 67d8de2a 2022-08-29 stsp addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1064 67d8de2a 2022-08-29 stsp const char *other_srv)
1066 67d8de2a 2022-08-29 stsp struct address *a;
1068 67d8de2a 2022-08-29 stsp char buf[INET6_ADDRSTRLEN];
1069 67d8de2a 2022-08-29 stsp const char *addrstr;
1071 67d8de2a 2022-08-29 stsp TAILQ_FOREACH(a, al, entry) {
1072 0c64c2f8 2023-11-15 op if (a->ai_family != h->ai_family ||
1073 0c64c2f8 2023-11-15 op a->ai_socktype != h->ai_socktype ||
1074 0c64c2f8 2023-11-15 op a->ai_protocol != h->ai_protocol ||
1075 0c64c2f8 2023-11-15 op a->slen != h->slen ||
1076 cdfd248a 2023-11-15 op memcmp(&a->ss, &h->ss, a->slen) != 0)
1079 67d8de2a 2022-08-29 stsp switch (h->ss.ss_family) {
1080 67d8de2a 2022-08-29 stsp case AF_INET:
1081 67d8de2a 2022-08-29 stsp ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1083 67d8de2a 2022-08-29 stsp case AF_INET6:
1084 67d8de2a 2022-08-29 stsp ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1087 67d8de2a 2022-08-29 stsp yyerror("unknown address family: %d", h->ss.ss_family);
1088 67d8de2a 2022-08-29 stsp return -1;
1090 67d8de2a 2022-08-29 stsp addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1091 67d8de2a 2022-08-29 stsp if (addrstr) {
1092 67d8de2a 2022-08-29 stsp if (other_srv) {
1093 67d8de2a 2022-08-29 stsp yyerror("server %s: duplicate fcgi listen "
1094 67d8de2a 2022-08-29 stsp "address %s:%d, already used by server %s",
1095 67d8de2a 2022-08-29 stsp new_srv, addrstr, h->port, other_srv);
1097 67d8de2a 2022-08-29 stsp log_warnx("server: %s: duplicate fcgi listen "
1098 67d8de2a 2022-08-29 stsp "address %s:%d", new_srv, addrstr, h->port);
1101 67d8de2a 2022-08-29 stsp if (other_srv) {
1102 67d8de2a 2022-08-29 stsp yyerror("server: %s: duplicate fcgi listen "
1103 67d8de2a 2022-08-29 stsp "address, already used by server %s",
1104 67d8de2a 2022-08-29 stsp new_srv, other_srv);
1106 67d8de2a 2022-08-29 stsp log_warnx("server %s: duplicate fcgi listen "
1107 67d8de2a 2022-08-29 stsp "address", new_srv);
1111 67d8de2a 2022-08-29 stsp return -1;
1118 67d8de2a 2022-08-29 stsp add_addr(struct server *new_srv, struct address *h)
1120 67d8de2a 2022-08-29 stsp struct server *srv;
1122 67d8de2a 2022-08-29 stsp /* Address cannot be shared between different servers. */
1123 67d8de2a 2022-08-29 stsp TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1124 67d8de2a 2022-08-29 stsp if (srv == new_srv)
1126 67d8de2a 2022-08-29 stsp if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1127 67d8de2a 2022-08-29 stsp return -1;
1130 67d8de2a 2022-08-29 stsp /* Tolerate duplicate address lines within the scope of a server. */
1131 67d8de2a 2022-08-29 stsp if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1132 67d8de2a 2022-08-29 stsp TAILQ_INSERT_TAIL(&new_srv->al, h, entry);
