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1 8a35f56c 2022-07-16 thomas /*
2 8a35f56c 2022-07-16 thomas * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
3 8a35f56c 2022-07-16 thomas * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
4 8a35f56c 2022-07-16 thomas * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
5 8a35f56c 2022-07-16 thomas * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
6 8a35f56c 2022-07-16 thomas * Copyright (c) 2001 Markus Friedl. All rights reserved.
7 8a35f56c 2022-07-16 thomas * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
8 8a35f56c 2022-07-16 thomas * Copyright (c) 2001 Theo de Raadt. All rights reserved.
9 8a35f56c 2022-07-16 thomas *
10 8a35f56c 2022-07-16 thomas * Permission to use, copy, modify, and distribute this software for any
11 8a35f56c 2022-07-16 thomas * purpose with or without fee is hereby granted, provided that the above
12 8a35f56c 2022-07-16 thomas * copyright notice and this permission notice appear in all copies.
13 8a35f56c 2022-07-16 thomas *
14 8a35f56c 2022-07-16 thomas * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 8a35f56c 2022-07-16 thomas * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 8a35f56c 2022-07-16 thomas * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 8a35f56c 2022-07-16 thomas * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 8a35f56c 2022-07-16 thomas * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 8a35f56c 2022-07-16 thomas * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 8a35f56c 2022-07-16 thomas * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 8a35f56c 2022-07-16 thomas */
22 8a35f56c 2022-07-16 thomas
23 8a35f56c 2022-07-16 thomas %{
24 4fccd2fe 2023-03-08 thomas #include "got_compat.h"
25 4fccd2fe 2023-03-08 thomas
26 8a35f56c 2022-07-16 thomas #include <sys/ioctl.h>
27 8a35f56c 2022-07-16 thomas #include <sys/types.h>
28 8b925c6c 2022-07-16 thomas #include <sys/queue.h>
29 8a35f56c 2022-07-16 thomas #include <sys/socket.h>
30 8a35f56c 2022-07-16 thomas #include <sys/stat.h>
31 8a35f56c 2022-07-16 thomas
32 8a35f56c 2022-07-16 thomas #include <net/if.h>
33 8a35f56c 2022-07-16 thomas #include <netinet/in.h>
34 8a35f56c 2022-07-16 thomas
35 8a35f56c 2022-07-16 thomas #include <arpa/inet.h>
36 8a35f56c 2022-07-16 thomas
37 8a35f56c 2022-07-16 thomas #include <ctype.h>
38 8a35f56c 2022-07-16 thomas #include <err.h>
39 8a35f56c 2022-07-16 thomas #include <errno.h>
40 8a35f56c 2022-07-16 thomas #include <event.h>
41 8a35f56c 2022-07-16 thomas #include <ifaddrs.h>
42 8a35f56c 2022-07-16 thomas #include <limits.h>
43 8a35f56c 2022-07-16 thomas #include <netdb.h>
44 8a35f56c 2022-07-16 thomas #include <stdarg.h>
45 8a35f56c 2022-07-16 thomas #include <stdlib.h>
46 8a35f56c 2022-07-16 thomas #include <stdio.h>
47 8a35f56c 2022-07-16 thomas #include <string.h>
48 8a35f56c 2022-07-16 thomas #include <syslog.h>
49 8a35f56c 2022-07-16 thomas #include <unistd.h>
50 161663e7 2023-03-11 thomas
51 161663e7 2023-03-11 thomas #include "got_sockaddr.h"
52 161663e7 2023-03-11 thomas #include "got_reference.h"
53 8a35f56c 2022-07-16 thomas
54 8a35f56c 2022-07-16 thomas #include "proc.h"
55 8a35f56c 2022-07-16 thomas #include "gotwebd.h"
56 8a35f56c 2022-07-16 thomas
57 8a35f56c 2022-07-16 thomas TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
58 8a35f56c 2022-07-16 thomas static struct file {
59 8a35f56c 2022-07-16 thomas TAILQ_ENTRY(file) entry;
60 8a35f56c 2022-07-16 thomas FILE *stream;
61 8a35f56c 2022-07-16 thomas char *name;
62 8a35f56c 2022-07-16 thomas int lineno;
63 8a35f56c 2022-07-16 thomas int errors;
64 8a35f56c 2022-07-16 thomas } *file;
65 8a35f56c 2022-07-16 thomas struct file *newfile(const char *, int);
66 8a35f56c 2022-07-16 thomas static void closefile(struct file *);
67 8a35f56c 2022-07-16 thomas int check_file_secrecy(int, const char *);
68 8a35f56c 2022-07-16 thomas int yyparse(void);
69 8a35f56c 2022-07-16 thomas int yylex(void);
70 8a35f56c 2022-07-16 thomas int yyerror(const char *, ...)
71 8a35f56c 2022-07-16 thomas __attribute__((__format__ (printf, 1, 2)))
72 8a35f56c 2022-07-16 thomas __attribute__((__nonnull__ (1)));
73 8a35f56c 2022-07-16 thomas int kw_cmp(const void *, const void *);
74 8a35f56c 2022-07-16 thomas int lookup(char *);
75 8a35f56c 2022-07-16 thomas int lgetc(int);
76 8a35f56c 2022-07-16 thomas int lungetc(int);
77 8a35f56c 2022-07-16 thomas int findeol(void);
78 8a35f56c 2022-07-16 thomas
79 8a35f56c 2022-07-16 thomas TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
80 8a35f56c 2022-07-16 thomas struct sym {
81 8a35f56c 2022-07-16 thomas TAILQ_ENTRY(sym) entry;
82 8a35f56c 2022-07-16 thomas int used;
83 8a35f56c 2022-07-16 thomas int persist;
84 8a35f56c 2022-07-16 thomas char *nam;
85 8a35f56c 2022-07-16 thomas char *val;
86 8a35f56c 2022-07-16 thomas };
87 8a35f56c 2022-07-16 thomas
88 8a35f56c 2022-07-16 thomas int symset(const char *, const char *, int);
89 8a35f56c 2022-07-16 thomas char *symget(const char *);
90 8a35f56c 2022-07-16 thomas
91 8a35f56c 2022-07-16 thomas static int errors;
92 8a35f56c 2022-07-16 thomas
93 8a35f56c 2022-07-16 thomas static struct gotwebd *gotwebd;
94 8a35f56c 2022-07-16 thomas static struct server *new_srv;
95 8a35f56c 2022-07-16 thomas static struct server *conf_new_server(const char *);
96 8a35f56c 2022-07-16 thomas int getservice(const char *);
97 8a35f56c 2022-07-16 thomas int n;
98 8a35f56c 2022-07-16 thomas
99 e4c7e0b0 2022-08-30 thomas int get_addrs(const char *, struct server *, in_port_t);
100 e4c7e0b0 2022-08-30 thomas int addr_dup_check(struct addresslist *, struct address *,
101 e4c7e0b0 2022-08-30 thomas const char *, const char *);
102 e4c7e0b0 2022-08-30 thomas int add_addr(struct server *, struct address *);
103 bccb4ec2 2023-06-01 thomas int host(const char *, struct server *,
104 8a35f56c 2022-07-16 thomas int, in_port_t, const char *, int);
105 e4c7e0b0 2022-08-30 thomas int host_if(const char *, struct server *,
106 8a35f56c 2022-07-16 thomas int, in_port_t, const char *, int);
107 8a35f56c 2022-07-16 thomas int is_if_in_group(const char *, const char *);
108 8a35f56c 2022-07-16 thomas
109 8a35f56c 2022-07-16 thomas typedef struct {
110 8a35f56c 2022-07-16 thomas union {
111 8a35f56c 2022-07-16 thomas long long number;
112 8a35f56c 2022-07-16 thomas char *string;
113 8a35f56c 2022-07-16 thomas in_port_t port;
114 8a35f56c 2022-07-16 thomas } v;
115 8a35f56c 2022-07-16 thomas int lineno;
116 8a35f56c 2022-07-16 thomas } YYSTYPE;
117 8a35f56c 2022-07-16 thomas
118 8a35f56c 2022-07-16 thomas %}
119 8a35f56c 2022-07-16 thomas
120 c24a47af 2022-08-11 thomas %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
121 8a35f56c 2022-07-16 thomas %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
122 8a35f56c 2022-07-16 thomas %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
123 3991b2a5 2022-10-31 thomas %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
124 bea82c4f 2023-01-06 thomas %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
125 8a35f56c 2022-07-16 thomas
126 8a35f56c 2022-07-16 thomas %token <v.string> STRING
127 8a35f56c 2022-07-16 thomas %type <v.port> fcgiport
128 8a35f56c 2022-07-16 thomas %token <v.number> NUMBER
129 8a35f56c 2022-07-16 thomas %type <v.number> boolean
130 8a35f56c 2022-07-16 thomas
131 8a35f56c 2022-07-16 thomas %%
132 8a35f56c 2022-07-16 thomas
133 cfab1835 2022-10-04 thomas grammar : /* empty */
134 8a35f56c 2022-07-16 thomas | grammar '\n'
135 cfab1835 2022-10-04 thomas | grammar varset '\n'
136 8a35f56c 2022-07-16 thomas | grammar main '\n'
137 8a35f56c 2022-07-16 thomas | grammar server '\n'
138 cfab1835 2022-10-04 thomas | grammar error '\n' { file->errors++; }
139 cfab1835 2022-10-04 thomas ;
140 cfab1835 2022-10-04 thomas
141 cfab1835 2022-10-04 thomas varset : STRING '=' STRING {
142 cfab1835 2022-10-04 thomas char *s = $1;
143 cfab1835 2022-10-04 thomas while (*s++) {
144 cfab1835 2022-10-04 thomas if (isspace((unsigned char)*s)) {
145 cfab1835 2022-10-04 thomas yyerror("macro name cannot contain "
146 cfab1835 2022-10-04 thomas "whitespace");
147 cfab1835 2022-10-04 thomas free($1);
148 cfab1835 2022-10-04 thomas free($3);
149 cfab1835 2022-10-04 thomas YYERROR;
150 cfab1835 2022-10-04 thomas }
151 cfab1835 2022-10-04 thomas }
152 cfab1835 2022-10-04 thomas if (symset($1, $3, 0) == -1)
153 cfab1835 2022-10-04 thomas fatal("cannot store variable");
154 cfab1835 2022-10-04 thomas free($1);
155 cfab1835 2022-10-04 thomas free($3);
156 cfab1835 2022-10-04 thomas }
157 8a35f56c 2022-07-16 thomas ;
158 8a35f56c 2022-07-16 thomas
159 8a35f56c 2022-07-16 thomas boolean : STRING {
160 8a35f56c 2022-07-16 thomas if (strcasecmp($1, "1") == 0 ||
161 8a35f56c 2022-07-16 thomas strcasecmp($1, "on") == 0)
162 8a35f56c 2022-07-16 thomas $$ = 1;
163 8a35f56c 2022-07-16 thomas else if (strcasecmp($1, "0") == 0 ||
164 ee003af8 2023-06-15 thomas strcasecmp($1, "off") == 0)
165 8a35f56c 2022-07-16 thomas $$ = 0;
166 8a35f56c 2022-07-16 thomas else {
167 8a35f56c 2022-07-16 thomas yyerror("invalid boolean value '%s'", $1);
168 8a35f56c 2022-07-16 thomas free($1);
169 8a35f56c 2022-07-16 thomas YYERROR;
170 8a35f56c 2022-07-16 thomas }
171 8a35f56c 2022-07-16 thomas free($1);
172 8a35f56c 2022-07-16 thomas }
173 8a35f56c 2022-07-16 thomas | ON { $$ = 1; }
174 a0bd573d 2023-06-15 thomas | NUMBER {
175 a0bd573d 2023-06-15 thomas if ($1 != 0 && $1 != 1) {
176 a0bd573d 2023-06-15 thomas yyerror("invalid boolean value '%lld'", $1);
177 a0bd573d 2023-06-15 thomas YYERROR;
178 a0bd573d 2023-06-15 thomas }
179 a0bd573d 2023-06-15 thomas $$ = $1;
180 a0bd573d 2023-06-15 thomas }
181 8a35f56c 2022-07-16 thomas ;
182 8a35f56c 2022-07-16 thomas
183 77fb808d 2022-08-29 thomas fcgiport : PORT NUMBER {
184 77fb808d 2022-08-29 thomas if ($2 <= 0 || $2 > (int)USHRT_MAX) {
185 77fb808d 2022-08-29 thomas yyerror("invalid port: %lld", $2);
186 8a35f56c 2022-07-16 thomas YYERROR;
187 8a35f56c 2022-07-16 thomas }
188 77fb808d 2022-08-29 thomas $$ = $2;
189 8a35f56c 2022-07-16 thomas }
190 77fb808d 2022-08-29 thomas | PORT STRING {
191 8a35f56c 2022-07-16 thomas int val;
192 8a35f56c 2022-07-16 thomas
193 77fb808d 2022-08-29 thomas if ((val = getservice($2)) == -1) {
194 77fb808d 2022-08-29 thomas yyerror("invalid port: %s", $2);
195 77fb808d 2022-08-29 thomas free($2);
196 8a35f56c 2022-07-16 thomas YYERROR;
197 8a35f56c 2022-07-16 thomas }
198 77fb808d 2022-08-29 thomas free($2);
199 8a35f56c 2022-07-16 thomas
200 8a35f56c 2022-07-16 thomas $$ = val;
201 8a35f56c 2022-07-16 thomas }
202 8a35f56c 2022-07-16 thomas ;
203 8a35f56c 2022-07-16 thomas
204 8a35f56c 2022-07-16 thomas main : PREFORK NUMBER {
205 a0bd573d 2023-06-15 thomas if ($2 <= 0 || $2 > PROC_MAX_INSTANCES) {
206 a0bd573d 2023-06-15 thomas yyerror("prefork is %s: %lld",
207 a0bd573d 2023-06-15 thomas $2 <= 0 ? "too small" : "too large", $2);
208 a0bd573d 2023-06-15 thomas YYERROR;
209 a0bd573d 2023-06-15 thomas }
210 8a35f56c 2022-07-16 thomas gotwebd->prefork_gotwebd = $2;
211 8a35f56c 2022-07-16 thomas }
212 8a35f56c 2022-07-16 thomas | CHROOT STRING {
213 90757f0a 2023-06-15 thomas if (*$2 == '\0') {
214 90757f0a 2023-06-15 thomas yyerror("chroot path can't be an empty"
215 90757f0a 2023-06-15 thomas " string");
216 90757f0a 2023-06-15 thomas free($2);
217 90757f0a 2023-06-15 thomas YYERROR;
218 90757f0a 2023-06-15 thomas }
219 90757f0a 2023-06-15 thomas
220 8a35f56c 2022-07-16 thomas n = strlcpy(gotwebd->httpd_chroot, $2,
221 8a35f56c 2022-07-16 thomas sizeof(gotwebd->httpd_chroot));
222 8a35f56c 2022-07-16 thomas if (n >= sizeof(gotwebd->httpd_chroot)) {
223 8a35f56c 2022-07-16 thomas yyerror("%s: httpd_chroot truncated", __func__);
224 8a35f56c 2022-07-16 thomas free($2);
225 8a35f56c 2022-07-16 thomas YYERROR;
226 8a35f56c 2022-07-16 thomas }
227 8a35f56c 2022-07-16 thomas free($2);
228 8a35f56c 2022-07-16 thomas }
229 8a35f56c 2022-07-16 thomas | UNIX_SOCKET boolean {
230 8a35f56c 2022-07-16 thomas gotwebd->unix_socket = $2;
231 8a35f56c 2022-07-16 thomas }
232 8a35f56c 2022-07-16 thomas | UNIX_SOCKET_NAME STRING {
233 8a35f56c 2022-07-16 thomas n = snprintf(gotwebd->unix_socket_name,
234 8a35f56c 2022-07-16 thomas sizeof(gotwebd->unix_socket_name), "%s%s",
235 0b16f49b 2023-06-22 thomas gotwebd->httpd_chroot, $2);
236 717a78d4 2022-08-16 thomas if (n < 0 ||
237 717a78d4 2022-08-16 thomas (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
238 8a35f56c 2022-07-16 thomas yyerror("%s: unix_socket_name truncated",
239 8a35f56c 2022-07-16 thomas __func__);
240 8a35f56c 2022-07-16 thomas free($2);
241 8a35f56c 2022-07-16 thomas YYERROR;
242 8a35f56c 2022-07-16 thomas }
243 8a35f56c 2022-07-16 thomas free($2);
244 8a35f56c 2022-07-16 thomas }
245 8a35f56c 2022-07-16 thomas ;
246 8a35f56c 2022-07-16 thomas
247 8a35f56c 2022-07-16 thomas server : SERVER STRING {
248 8a35f56c 2022-07-16 thomas struct server *srv;
249 8a35f56c 2022-07-16 thomas
250 90d63d47 2022-08-16 thomas TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
251 8a35f56c 2022-07-16 thomas if (strcmp(srv->name, $2) == 0) {
252 8a35f56c 2022-07-16 thomas yyerror("server name exists '%s'", $2);
253 8a35f56c 2022-07-16 thomas free($2);
254 8a35f56c 2022-07-16 thomas YYERROR;
255 8a35f56c 2022-07-16 thomas }
256 8a35f56c 2022-07-16 thomas }
257 8a35f56c 2022-07-16 thomas
258 8a35f56c 2022-07-16 thomas new_srv = conf_new_server($2);
259 8a35f56c 2022-07-16 thomas log_debug("adding server %s", $2);
260 8a35f56c 2022-07-16 thomas free($2);
261 8a35f56c 2022-07-16 thomas }
262 8a35f56c 2022-07-16 thomas | SERVER STRING {
263 8a35f56c 2022-07-16 thomas struct server *srv;
264 8a35f56c 2022-07-16 thomas
265 90d63d47 2022-08-16 thomas TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
266 8a35f56c 2022-07-16 thomas if (strcmp(srv->name, $2) == 0) {
267 8a35f56c 2022-07-16 thomas yyerror("server name exists '%s'", $2);
268 8a35f56c 2022-07-16 thomas free($2);
269 8a35f56c 2022-07-16 thomas YYERROR;
270 8a35f56c 2022-07-16 thomas }
271 8a35f56c 2022-07-16 thomas }
272 8a35f56c 2022-07-16 thomas
273 8a35f56c 2022-07-16 thomas new_srv = conf_new_server($2);
274 8a35f56c 2022-07-16 thomas log_debug("adding server %s", $2);
275 8a35f56c 2022-07-16 thomas free($2);
276 8a35f56c 2022-07-16 thomas } '{' optnl serveropts2 '}' {
277 8a35f56c 2022-07-16 thomas }
278 8a35f56c 2022-07-16 thomas ;
279 8a35f56c 2022-07-16 thomas
280 8a35f56c 2022-07-16 thomas serveropts1 : REPOS_PATH STRING {
281 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->repos_path, $2,
282 8a35f56c 2022-07-16 thomas sizeof(new_srv->repos_path));
283 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->repos_path)) {
284 8a35f56c 2022-07-16 thomas yyerror("%s: repos_path truncated", __func__);
285 8a35f56c 2022-07-16 thomas free($2);
286 8a35f56c 2022-07-16 thomas YYERROR;
287 8a35f56c 2022-07-16 thomas }
288 8a35f56c 2022-07-16 thomas free($2);
289 8a35f56c 2022-07-16 thomas }
290 8a35f56c 2022-07-16 thomas | SITE_NAME STRING {
291 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->site_name, $2,
292 8a35f56c 2022-07-16 thomas sizeof(new_srv->site_name));
293 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->site_name)) {
294 8a35f56c 2022-07-16 thomas yyerror("%s: site_name truncated", __func__);
295 8a35f56c 2022-07-16 thomas free($2);
296 8a35f56c 2022-07-16 thomas YYERROR;
297 8a35f56c 2022-07-16 thomas }
298 8a35f56c 2022-07-16 thomas free($2);
299 8a35f56c 2022-07-16 thomas }
300 8a35f56c 2022-07-16 thomas | SITE_OWNER STRING {
301 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->site_owner, $2,
302 8a35f56c 2022-07-16 thomas sizeof(new_srv->site_owner));
303 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->site_owner)) {
304 8a35f56c 2022-07-16 thomas yyerror("%s: site_owner truncated", __func__);
305 8a35f56c 2022-07-16 thomas free($2);
306 8a35f56c 2022-07-16 thomas YYERROR;
307 8a35f56c 2022-07-16 thomas }
308 8a35f56c 2022-07-16 thomas free($2);
309 8a35f56c 2022-07-16 thomas }
310 8a35f56c 2022-07-16 thomas | SITE_LINK STRING {
311 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->site_link, $2,
312 8a35f56c 2022-07-16 thomas sizeof(new_srv->site_link));
313 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->site_link)) {
314 8a35f56c 2022-07-16 thomas yyerror("%s: site_link truncated", __func__);
315 8a35f56c 2022-07-16 thomas free($2);
316 8a35f56c 2022-07-16 thomas YYERROR;
317 8a35f56c 2022-07-16 thomas }
318 8a35f56c 2022-07-16 thomas free($2);
319 8a35f56c 2022-07-16 thomas }
320 8a35f56c 2022-07-16 thomas | LOGO STRING {
321 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
322 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->logo)) {
323 8a35f56c 2022-07-16 thomas yyerror("%s: logo truncated", __func__);
324 8a35f56c 2022-07-16 thomas free($2);
325 8a35f56c 2022-07-16 thomas YYERROR;
326 8a35f56c 2022-07-16 thomas }
327 8a35f56c 2022-07-16 thomas free($2);
328 8a35f56c 2022-07-16 thomas }
329 8a35f56c 2022-07-16 thomas | LOGO_URL STRING {
330 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->logo_url, $2,
331 8a35f56c 2022-07-16 thomas sizeof(new_srv->logo_url));
332 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->logo_url)) {
333 8a35f56c 2022-07-16 thomas yyerror("%s: logo_url truncated", __func__);
334 8a35f56c 2022-07-16 thomas free($2);
335 8a35f56c 2022-07-16 thomas YYERROR;
336 8a35f56c 2022-07-16 thomas }
337 8a35f56c 2022-07-16 thomas free($2);
338 8a35f56c 2022-07-16 thomas }
339 8a35f56c 2022-07-16 thomas | CUSTOM_CSS STRING {
340 8a35f56c 2022-07-16 thomas n = strlcpy(new_srv->custom_css, $2,
341 8a35f56c 2022-07-16 thomas sizeof(new_srv->custom_css));
342 8a35f56c 2022-07-16 thomas if (n >= sizeof(new_srv->custom_css)) {
343 8a35f56c 2022-07-16 thomas yyerror("%s: custom_css truncated", __func__);
344 8a35f56c 2022-07-16 thomas free($2);
345 8a35f56c 2022-07-16 thomas YYERROR;
346 8a35f56c 2022-07-16 thomas }
347 8a35f56c 2022-07-16 thomas free($2);
348 8a35f56c 2022-07-16 thomas }
349 77fb808d 2022-08-29 thomas | LISTEN ON STRING fcgiport {
350 e4c7e0b0 2022-08-30 thomas if (get_addrs($3, new_srv, $4) == -1) {
351 e4c7e0b0 2022-08-30 thomas yyerror("could not get addrs");
352 77fb808d 2022-08-29 thomas YYERROR;
353 77fb808d 2022-08-29 thomas }
354 e4317279 2022-08-30 thomas new_srv->fcgi_socket = 1;
355 77fb808d 2022-08-29 thomas }
356 bea82c4f 2023-01-06 thomas | LISTEN ON SOCKET STRING {
357 ee003af8 2023-06-15 thomas if (strcasecmp($4, "off") == 0) {
358 bea82c4f 2023-01-06 thomas new_srv->unix_socket = 0;
359 bea82c4f 2023-01-06 thomas free($4);
360 bea82c4f 2023-01-06 thomas YYACCEPT;
361 bea82c4f 2023-01-06 thomas }
362 bea82c4f 2023-01-06 thomas
363 bea82c4f 2023-01-06 thomas new_srv->unix_socket = 1;
364 bea82c4f 2023-01-06 thomas
365 bea82c4f 2023-01-06 thomas n = snprintf(new_srv->unix_socket_name,
366 bea82c4f 2023-01-06 thomas sizeof(new_srv->unix_socket_name), "%s%s",
367 0b16f49b 2023-06-22 thomas gotwebd->httpd_chroot, $4);
368 bea82c4f 2023-01-06 thomas if (n < 0 ||
369 bea82c4f 2023-01-06 thomas (size_t)n >= sizeof(new_srv->unix_socket_name)) {
370 bea82c4f 2023-01-06 thomas yyerror("%s: unix_socket_name truncated",
371 bea82c4f 2023-01-06 thomas __func__);
372 bea82c4f 2023-01-06 thomas free($4);
373 bea82c4f 2023-01-06 thomas YYERROR;
374 bea82c4f 2023-01-06 thomas }
375 bea82c4f 2023-01-06 thomas free($4);
376 bea82c4f 2023-01-06 thomas }
377 8a35f56c 2022-07-16 thomas | MAX_REPOS NUMBER {
378 a0bd573d 2023-06-15 thomas if ($2 <= 0) {
379 a0bd573d 2023-06-15 thomas yyerror("max_repos is too small: %lld", $2);
380 a0bd573d 2023-06-15 thomas YYERROR;
381 a0bd573d 2023-06-15 thomas }
382 a0bd573d 2023-06-15 thomas new_srv->max_repos = $2;
383 8a35f56c 2022-07-16 thomas }
384 8a35f56c 2022-07-16 thomas | SHOW_SITE_OWNER boolean {
385 8a35f56c 2022-07-16 thomas new_srv->show_site_owner = $2;
386 8a35f56c 2022-07-16 thomas }
387 8a35f56c 2022-07-16 thomas | SHOW_REPO_OWNER boolean {
388 8a35f56c 2022-07-16 thomas new_srv->show_repo_owner = $2;
389 8a35f56c 2022-07-16 thomas }
390 8a35f56c 2022-07-16 thomas | SHOW_REPO_AGE boolean {
391 8a35f56c 2022-07-16 thomas new_srv->show_repo_age = $2;
392 8a35f56c 2022-07-16 thomas }
393 8a35f56c 2022-07-16 thomas | SHOW_REPO_DESCRIPTION boolean {
394 8a35f56c 2022-07-16 thomas new_srv->show_repo_description = $2;
395 8a35f56c 2022-07-16 thomas }
396 8a35f56c 2022-07-16 thomas | SHOW_REPO_CLONEURL boolean {
397 8a35f56c 2022-07-16 thomas new_srv->show_repo_cloneurl = $2;
398 8a35f56c 2022-07-16 thomas }
399 3991b2a5 2022-10-31 thomas | RESPECT_EXPORTOK boolean {
400 3991b2a5 2022-10-31 thomas new_srv->respect_exportok = $2;
401 3991b2a5 2022-10-31 thomas }
402 8a35f56c 2022-07-16 thomas | MAX_REPOS_DISPLAY NUMBER {
403 04833bad 2023-06-22 thomas if ($2 < 0) {
404 a0bd573d 2023-06-15 thomas yyerror("max_repos_display is too small: %lld",
405 a0bd573d 2023-06-15 thomas $2);
406 a0bd573d 2023-06-15 thomas YYERROR;
407 a0bd573d 2023-06-15 thomas }
408 a0bd573d 2023-06-15 thomas new_srv->max_repos_display = $2;
409 8a35f56c 2022-07-16 thomas }
410 8a35f56c 2022-07-16 thomas | MAX_COMMITS_DISPLAY NUMBER {
411 1fa505c4 2023-06-15 thomas if ($2 <= 1) {
412 1fa505c4 2023-06-15 thomas yyerror("max_commits_display is too small:"
413 1fa505c4 2023-06-15 thomas " %lld", $2);
414 1fa505c4 2023-06-15 thomas YYERROR;
415 1fa505c4 2023-06-15 thomas }
416 1fa505c4 2023-06-15 thomas new_srv->max_commits_display = $2;
417 8a35f56c 2022-07-16 thomas }
418 8a35f56c 2022-07-16 thomas ;
419 8a35f56c 2022-07-16 thomas
420 8a35f56c 2022-07-16 thomas serveropts2 : serveropts2 serveropts1 nl
421 8a35f56c 2022-07-16 thomas | serveropts1 optnl
422 8a35f56c 2022-07-16 thomas ;
423 8a35f56c 2022-07-16 thomas
424 8a35f56c 2022-07-16 thomas nl : '\n' optnl
425 8a35f56c 2022-07-16 thomas ;
426 8a35f56c 2022-07-16 thomas
427 8a35f56c 2022-07-16 thomas optnl : '\n' optnl /* zero or more newlines */
428 8a35f56c 2022-07-16 thomas | /* empty */
429 8a35f56c 2022-07-16 thomas ;
430 8a35f56c 2022-07-16 thomas
431 8a35f56c 2022-07-16 thomas %%
432 8a35f56c 2022-07-16 thomas
433 8a35f56c 2022-07-16 thomas struct keywords {
434 8a35f56c 2022-07-16 thomas const char *k_name;
435 8a35f56c 2022-07-16 thomas int k_val;
436 8a35f56c 2022-07-16 thomas };
437 8a35f56c 2022-07-16 thomas
438 8a35f56c 2022-07-16 thomas int
439 8a35f56c 2022-07-16 thomas yyerror(const char *fmt, ...)
440 8a35f56c 2022-07-16 thomas {
441 8a35f56c 2022-07-16 thomas va_list ap;
442 8a35f56c 2022-07-16 thomas char *msg;
443 8a35f56c 2022-07-16 thomas
444 8a35f56c 2022-07-16 thomas file->errors++;
445 8a35f56c 2022-07-16 thomas va_start(ap, fmt);
446 8a35f56c 2022-07-16 thomas if (vasprintf(&msg, fmt, ap) == -1)
447 8a35f56c 2022-07-16 thomas fatalx("yyerror vasprintf");
448 8a35f56c 2022-07-16 thomas va_end(ap);
449 8a35f56c 2022-07-16 thomas logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
450 8a35f56c 2022-07-16 thomas free(msg);
451 8a35f56c 2022-07-16 thomas return (0);
452 8a35f56c 2022-07-16 thomas }
453 8a35f56c 2022-07-16 thomas
454 8a35f56c 2022-07-16 thomas int
455 8a35f56c 2022-07-16 thomas kw_cmp(const void *k, const void *e)
456 8a35f56c 2022-07-16 thomas {
457 8a35f56c 2022-07-16 thomas return (strcmp(k, ((const struct keywords *)e)->k_name));
458 8a35f56c 2022-07-16 thomas }
459 8a35f56c 2022-07-16 thomas
460 8a35f56c 2022-07-16 thomas int
461 8a35f56c 2022-07-16 thomas lookup(char *s)
462 8a35f56c 2022-07-16 thomas {
463 8a35f56c 2022-07-16 thomas /* This has to be sorted always. */
464 8a35f56c 2022-07-16 thomas static const struct keywords keywords[] = {
465 8a35f56c 2022-07-16 thomas { "chroot", CHROOT },
466 8a35f56c 2022-07-16 thomas { "custom_css", CUSTOM_CSS },
467 c24a47af 2022-08-11 thomas { "listen", LISTEN },
468 8a35f56c 2022-07-16 thomas { "logo", LOGO },
469 f0b4ad15 2023-01-02 thomas { "logo_url", LOGO_URL },
470 8a35f56c 2022-07-16 thomas { "max_commits_display", MAX_COMMITS_DISPLAY },
471 8a35f56c 2022-07-16 thomas { "max_repos", MAX_REPOS },
472 8a35f56c 2022-07-16 thomas { "max_repos_display", MAX_REPOS_DISPLAY },
473 c24a47af 2022-08-11 thomas { "on", ON },
474 8a35f56c 2022-07-16 thomas { "port", PORT },
475 8a35f56c 2022-07-16 thomas { "prefork", PREFORK },
476 8a35f56c 2022-07-16 thomas { "repos_path", REPOS_PATH },
477 3991b2a5 2022-10-31 thomas { "respect_exportok", RESPECT_EXPORTOK },
478 8a35f56c 2022-07-16 thomas { "server", SERVER },
479 8a35f56c 2022-07-16 thomas { "show_repo_age", SHOW_REPO_AGE },
480 8a35f56c 2022-07-16 thomas { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
481 8a35f56c 2022-07-16 thomas { "show_repo_description", SHOW_REPO_DESCRIPTION },
482 8a35f56c 2022-07-16 thomas { "show_repo_owner", SHOW_REPO_OWNER },
483 8a35f56c 2022-07-16 thomas { "show_site_owner", SHOW_SITE_OWNER },
484 8a35f56c 2022-07-16 thomas { "site_link", SITE_LINK },
485 8a35f56c 2022-07-16 thomas { "site_name", SITE_NAME },
486 8a35f56c 2022-07-16 thomas { "site_owner", SITE_OWNER },
487 bea82c4f 2023-01-06 thomas { "socket", SOCKET },
488 8a35f56c 2022-07-16 thomas { "unix_socket", UNIX_SOCKET },
489 8a35f56c 2022-07-16 thomas { "unix_socket_name", UNIX_SOCKET_NAME },
490 8a35f56c 2022-07-16 thomas };
491 8a35f56c 2022-07-16 thomas const struct keywords *p;
492 8a35f56c 2022-07-16 thomas
493 8a35f56c 2022-07-16 thomas p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
494 8a35f56c 2022-07-16 thomas sizeof(keywords[0]), kw_cmp);
495 8a35f56c 2022-07-16 thomas
496 8a35f56c 2022-07-16 thomas if (p)
497 8a35f56c 2022-07-16 thomas return (p->k_val);
498 8a35f56c 2022-07-16 thomas else
499 8a35f56c 2022-07-16 thomas return (STRING);
500 8a35f56c 2022-07-16 thomas }
501 8a35f56c 2022-07-16 thomas
502 8a35f56c 2022-07-16 thomas #define MAXPUSHBACK 128
503 8a35f56c 2022-07-16 thomas
504 8a35f56c 2022-07-16 thomas unsigned char *parsebuf;
505 8a35f56c 2022-07-16 thomas int parseindex;
506 8a35f56c 2022-07-16 thomas unsigned char pushback_buffer[MAXPUSHBACK];
507 8a35f56c 2022-07-16 thomas int pushback_index = 0;
508 8a35f56c 2022-07-16 thomas
509 8a35f56c 2022-07-16 thomas int
510 8a35f56c 2022-07-16 thomas lgetc(int quotec)
511 8a35f56c 2022-07-16 thomas {
512 8a35f56c 2022-07-16 thomas int c, next;
513 8a35f56c 2022-07-16 thomas
514 8a35f56c 2022-07-16 thomas if (parsebuf) {
515 8a35f56c 2022-07-16 thomas /* Read character from the parsebuffer instead of input. */
516 8a35f56c 2022-07-16 thomas if (parseindex >= 0) {
517 8a35f56c 2022-07-16 thomas c = parsebuf[parseindex++];
518 8a35f56c 2022-07-16 thomas if (c != '\0')
519 8a35f56c 2022-07-16 thomas return (c);
520 8a35f56c 2022-07-16 thomas parsebuf = NULL;
521 8a35f56c 2022-07-16 thomas } else
522 8a35f56c 2022-07-16 thomas parseindex++;
523 8a35f56c 2022-07-16 thomas }
524 8a35f56c 2022-07-16 thomas
525 8a35f56c 2022-07-16 thomas if (pushback_index)
526 8a35f56c 2022-07-16 thomas return (pushback_buffer[--pushback_index]);
527 8a35f56c 2022-07-16 thomas
528 8a35f56c 2022-07-16 thomas if (quotec) {
529 8a35f56c 2022-07-16 thomas c = getc(file->stream);
530 8a35f56c 2022-07-16 thomas if (c == EOF)
531 8a35f56c 2022-07-16 thomas yyerror("reached end of file while parsing "
532 8a35f56c 2022-07-16 thomas "quoted string");
533 8a35f56c 2022-07-16 thomas return (c);
534 8a35f56c 2022-07-16 thomas }
535 8a35f56c 2022-07-16 thomas
536 8a35f56c 2022-07-16 thomas c = getc(file->stream);
537 8a35f56c 2022-07-16 thomas while (c == '\\') {
538 8a35f56c 2022-07-16 thomas next = getc(file->stream);
539 8a35f56c 2022-07-16 thomas if (next != '\n') {
540 8a35f56c 2022-07-16 thomas c = next;
541 8a35f56c 2022-07-16 thomas break;
542 8a35f56c 2022-07-16 thomas }
543 8a35f56c 2022-07-16 thomas yylval.lineno = file->lineno;
544 8a35f56c 2022-07-16 thomas file->lineno++;
545 8a35f56c 2022-07-16 thomas c = getc(file->stream);
546 8a35f56c 2022-07-16 thomas }
547 8a35f56c 2022-07-16 thomas
548 8a35f56c 2022-07-16 thomas return (c);
549 8a35f56c 2022-07-16 thomas }
550 8a35f56c 2022-07-16 thomas
551 8a35f56c 2022-07-16 thomas int
552 8a35f56c 2022-07-16 thomas lungetc(int c)
553 8a35f56c 2022-07-16 thomas {
554 8a35f56c 2022-07-16 thomas if (c == EOF)
555 8a35f56c 2022-07-16 thomas return (EOF);
556 8a35f56c 2022-07-16 thomas if (parsebuf) {
557 8a35f56c 2022-07-16 thomas parseindex--;
558 8a35f56c 2022-07-16 thomas if (parseindex >= 0)
559 8a35f56c 2022-07-16 thomas return (c);
560 8a35f56c 2022-07-16 thomas }
561 8a35f56c 2022-07-16 thomas if (pushback_index < MAXPUSHBACK-1)
562 8a35f56c 2022-07-16 thomas return (pushback_buffer[pushback_index++] = c);
563 8a35f56c 2022-07-16 thomas else
564 8a35f56c 2022-07-16 thomas return (EOF);
565 8a35f56c 2022-07-16 thomas }
566 8a35f56c 2022-07-16 thomas
567 8a35f56c 2022-07-16 thomas int
568 8a35f56c 2022-07-16 thomas findeol(void)
569 8a35f56c 2022-07-16 thomas {
570 8a35f56c 2022-07-16 thomas int c;
571 8a35f56c 2022-07-16 thomas
572 8a35f56c 2022-07-16 thomas parsebuf = NULL;
573 8a35f56c 2022-07-16 thomas
574 8a35f56c 2022-07-16 thomas /* Skip to either EOF or the first real EOL. */
575 8a35f56c 2022-07-16 thomas while (1) {
576 8a35f56c 2022-07-16 thomas if (pushback_index)
577 8a35f56c 2022-07-16 thomas c = pushback_buffer[--pushback_index];
578 8a35f56c 2022-07-16 thomas else
579 8a35f56c 2022-07-16 thomas c = lgetc(0);
580 8a35f56c 2022-07-16 thomas if (c == '\n') {
581 8a35f56c 2022-07-16 thomas file->lineno++;
582 8a35f56c 2022-07-16 thomas break;
583 8a35f56c 2022-07-16 thomas }
584 8a35f56c 2022-07-16 thomas if (c == EOF)
585 8a35f56c 2022-07-16 thomas break;
586 8a35f56c 2022-07-16 thomas }
587 8a35f56c 2022-07-16 thomas return (ERROR);
588 8a35f56c 2022-07-16 thomas }
589 8a35f56c 2022-07-16 thomas
590 8a35f56c 2022-07-16 thomas int
591 8a35f56c 2022-07-16 thomas yylex(void)
592 8a35f56c 2022-07-16 thomas {
593 8a35f56c 2022-07-16 thomas unsigned char buf[8096];
594 8a35f56c 2022-07-16 thomas unsigned char *p, *val;
595 8a35f56c 2022-07-16 thomas int quotec, next, c;
596 8a35f56c 2022-07-16 thomas int token;
597 8a35f56c 2022-07-16 thomas
598 8a35f56c 2022-07-16 thomas top:
599 8a35f56c 2022-07-16 thomas p = buf;
600 8a35f56c 2022-07-16 thomas c = lgetc(0);
601 8a35f56c 2022-07-16 thomas while (c == ' ' || c == '\t')
602 8a35f56c 2022-07-16 thomas c = lgetc(0); /* nothing */
603 8a35f56c 2022-07-16 thomas
604 8a35f56c 2022-07-16 thomas yylval.lineno = file->lineno;
605 8a35f56c 2022-07-16 thomas if (c == '#') {
606 8a35f56c 2022-07-16 thomas c = lgetc(0);
607 8a35f56c 2022-07-16 thomas while (c != '\n' && c != EOF)
608 8a35f56c 2022-07-16 thomas c = lgetc(0); /* nothing */
609 8a35f56c 2022-07-16 thomas }
610 8a35f56c 2022-07-16 thomas if (c == '$' && parsebuf == NULL) {
611 8a35f56c 2022-07-16 thomas while (1) {
612 8a35f56c 2022-07-16 thomas c = lgetc(0);
613 8a35f56c 2022-07-16 thomas if (c == EOF)
614 8a35f56c 2022-07-16 thomas return (0);
615 8a35f56c 2022-07-16 thomas
616 8a35f56c 2022-07-16 thomas if (p + 1 >= buf + sizeof(buf) - 1) {
617 8a35f56c 2022-07-16 thomas yyerror("string too long");
618 8a35f56c 2022-07-16 thomas return (findeol());
619 8a35f56c 2022-07-16 thomas }
620 8a35f56c 2022-07-16 thomas if (isalnum(c) || c == '_') {
621 8a35f56c 2022-07-16 thomas *p++ = c;
622 8a35f56c 2022-07-16 thomas continue;
623 8a35f56c 2022-07-16 thomas }
624 8a35f56c 2022-07-16 thomas *p = '\0';
625 8a35f56c 2022-07-16 thomas lungetc(c);
626 8a35f56c 2022-07-16 thomas break;
627 8a35f56c 2022-07-16 thomas }
628 8a35f56c 2022-07-16 thomas val = symget(buf);
629 8a35f56c 2022-07-16 thomas if (val == NULL) {
630 8a35f56c 2022-07-16 thomas yyerror("macro '%s' not defined", buf);
631 8a35f56c 2022-07-16 thomas return (findeol());
632 8a35f56c 2022-07-16 thomas }
633 8a35f56c 2022-07-16 thomas parsebuf = val;
634 8a35f56c 2022-07-16 thomas parseindex = 0;
635 8a35f56c 2022-07-16 thomas goto top;
636 8a35f56c 2022-07-16 thomas }
637 8a35f56c 2022-07-16 thomas
638 8a35f56c 2022-07-16 thomas switch (c) {
639 8a35f56c 2022-07-16 thomas case '\'':
640 8a35f56c 2022-07-16 thomas case '"':
641 8a35f56c 2022-07-16 thomas quotec = c;
642 8a35f56c 2022-07-16 thomas while (1) {
643 8a35f56c 2022-07-16 thomas c = lgetc(quotec);
644 8a35f56c 2022-07-16 thomas if (c == EOF)
645 8a35f56c 2022-07-16 thomas return (0);
646 8a35f56c 2022-07-16 thomas if (c == '\n') {
647 8a35f56c 2022-07-16 thomas file->lineno++;
648 8a35f56c 2022-07-16 thomas continue;
649 8a35f56c 2022-07-16 thomas } else if (c == '\\') {
650 8a35f56c 2022-07-16 thomas next = lgetc(quotec);
651 8a35f56c 2022-07-16 thomas if (next == EOF)
652 8a35f56c 2022-07-16 thomas return (0);
653 8a35f56c 2022-07-16 thomas if (next == quotec || c == ' ' || c == '\t')
654 8a35f56c 2022-07-16 thomas c = next;
655 8a35f56c 2022-07-16 thomas else if (next == '\n') {
656 8a35f56c 2022-07-16 thomas file->lineno++;
657 8a35f56c 2022-07-16 thomas continue;
658 8a35f56c 2022-07-16 thomas } else
659 8a35f56c 2022-07-16 thomas lungetc(next);
660 8a35f56c 2022-07-16 thomas } else if (c == quotec) {
661 8a35f56c 2022-07-16 thomas *p = '\0';
662 8a35f56c 2022-07-16 thomas break;
663 8a35f56c 2022-07-16 thomas } else if (c == '\0') {
664 8a35f56c 2022-07-16 thomas yyerror("syntax error");
665 8a35f56c 2022-07-16 thomas return (findeol());
666 8a35f56c 2022-07-16 thomas }
667 8a35f56c 2022-07-16 thomas if (p + 1 >= buf + sizeof(buf) - 1) {
668 8a35f56c 2022-07-16 thomas yyerror("string too long");
669 8a35f56c 2022-07-16 thomas return (findeol());
670 8a35f56c 2022-07-16 thomas }
671 8a35f56c 2022-07-16 thomas *p++ = c;
672 8a35f56c 2022-07-16 thomas }
673 8a35f56c 2022-07-16 thomas yylval.v.string = strdup(buf);
674 8a35f56c 2022-07-16 thomas if (yylval.v.string == NULL)
675 8a35f56c 2022-07-16 thomas err(1, "yylex: strdup");
676 8a35f56c 2022-07-16 thomas return (STRING);
677 8a35f56c 2022-07-16 thomas }
678 8a35f56c 2022-07-16 thomas
679 8a35f56c 2022-07-16 thomas #define allowed_to_end_number(x) \
680 8a35f56c 2022-07-16 thomas (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
681 8a35f56c 2022-07-16 thomas
682 8a35f56c 2022-07-16 thomas if (c == '-' || isdigit(c)) {
683 8a35f56c 2022-07-16 thomas do {
684 8a35f56c 2022-07-16 thomas *p++ = c;
685 8a35f56c 2022-07-16 thomas if ((unsigned)(p-buf) >= sizeof(buf)) {
686 8a35f56c 2022-07-16 thomas yyerror("string too long");
687 8a35f56c 2022-07-16 thomas return (findeol());
688 8a35f56c 2022-07-16 thomas }
689 8a35f56c 2022-07-16 thomas c = lgetc(0);
690 8a35f56c 2022-07-16 thomas } while (c != EOF && isdigit(c));
691 8a35f56c 2022-07-16 thomas lungetc(c);
692 8a35f56c 2022-07-16 thomas if (p == buf + 1 && buf[0] == '-')
693 8a35f56c 2022-07-16 thomas goto nodigits;
694 8a35f56c 2022-07-16 thomas if (c == EOF || allowed_to_end_number(c)) {
695 8a35f56c 2022-07-16 thomas const char *errstr = NULL;
696 8a35f56c 2022-07-16 thomas
697 8a35f56c 2022-07-16 thomas *p = '\0';
698 8a35f56c 2022-07-16 thomas yylval.v.number = strtonum(buf, LLONG_MIN,
699 8a35f56c 2022-07-16 thomas LLONG_MAX, &errstr);
700 8a35f56c 2022-07-16 thomas if (errstr) {
701 8a35f56c 2022-07-16 thomas yyerror("\"%s\" invalid number: %s",
702 8a35f56c 2022-07-16 thomas buf, errstr);
703 8a35f56c 2022-07-16 thomas return (findeol());
704 8a35f56c 2022-07-16 thomas }
705 8a35f56c 2022-07-16 thomas return (NUMBER);
706 8a35f56c 2022-07-16 thomas } else {
707 8a35f56c 2022-07-16 thomas nodigits:
708 8a35f56c 2022-07-16 thomas while (p > buf + 1)
709 8a35f56c 2022-07-16 thomas lungetc(*--p);
710 8a35f56c 2022-07-16 thomas c = *--p;
711 8a35f56c 2022-07-16 thomas if (c == '-')
712 8a35f56c 2022-07-16 thomas return (c);
713 8a35f56c 2022-07-16 thomas }
714 8a35f56c 2022-07-16 thomas }
715 8a35f56c 2022-07-16 thomas
716 8a35f56c 2022-07-16 thomas #define allowed_in_string(x) \
717 8a35f56c 2022-07-16 thomas (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
718 8a35f56c 2022-07-16 thomas x != '{' && x != '}' && \
719 8a35f56c 2022-07-16 thomas x != '!' && x != '=' && x != '#' && \
720 8a35f56c 2022-07-16 thomas x != ','))
721 8a35f56c 2022-07-16 thomas
722 8a35f56c 2022-07-16 thomas if (isalnum(c) || c == ':' || c == '_') {
723 8a35f56c 2022-07-16 thomas do {
724 8a35f56c 2022-07-16 thomas *p++ = c;
725 8a35f56c 2022-07-16 thomas if ((unsigned)(p-buf) >= sizeof(buf)) {
726 8a35f56c 2022-07-16 thomas yyerror("string too long");
727 8a35f56c 2022-07-16 thomas return (findeol());
728 8a35f56c 2022-07-16 thomas }
729 8a35f56c 2022-07-16 thomas c = lgetc(0);
730 8a35f56c 2022-07-16 thomas } while (c != EOF && (allowed_in_string(c)));
731 8a35f56c 2022-07-16 thomas lungetc(c);
732 8a35f56c 2022-07-16 thomas *p = '\0';
733 8a35f56c 2022-07-16 thomas token = lookup(buf);
734 8a35f56c 2022-07-16 thomas if (token == STRING) {
735 8a35f56c 2022-07-16 thomas yylval.v.string = strdup(buf);
736 8a35f56c 2022-07-16 thomas if (yylval.v.string == NULL)
737 8a35f56c 2022-07-16 thomas err(1, "yylex: strdup");
738 8a35f56c 2022-07-16 thomas }
739 8a35f56c 2022-07-16 thomas return (token);
740 8a35f56c 2022-07-16 thomas }
741 8a35f56c 2022-07-16 thomas if (c == '\n') {
742 8a35f56c 2022-07-16 thomas yylval.lineno = file->lineno;
743 8a35f56c 2022-07-16 thomas file->lineno++;
744 8a35f56c 2022-07-16 thomas }
745 8a35f56c 2022-07-16 thomas if (c == EOF)
746 8a35f56c 2022-07-16 thomas return (0);
747 8a35f56c 2022-07-16 thomas return (c);
748 8a35f56c 2022-07-16 thomas }
749 8a35f56c 2022-07-16 thomas
750 8a35f56c 2022-07-16 thomas int
751 8a35f56c 2022-07-16 thomas check_file_secrecy(int fd, const char *fname)
752 8a35f56c 2022-07-16 thomas {
753 8a35f56c 2022-07-16 thomas struct stat st;
754 8a35f56c 2022-07-16 thomas
755 8a35f56c 2022-07-16 thomas if (fstat(fd, &st)) {
756 8a35f56c 2022-07-16 thomas log_warn("cannot stat %s", fname);
757 8a35f56c 2022-07-16 thomas return (-1);
758 8a35f56c 2022-07-16 thomas }
759 8a35f56c 2022-07-16 thomas if (st.st_uid != 0 && st.st_uid != getuid()) {
760 8a35f56c 2022-07-16 thomas log_warnx("%s: owner not root or current user", fname);
761 8a35f56c 2022-07-16 thomas return (-1);
762 8a35f56c 2022-07-16 thomas }
763 8a35f56c 2022-07-16 thomas if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
764 8a35f56c 2022-07-16 thomas log_warnx("%s: group writable or world read/writable", fname);
765 8a35f56c 2022-07-16 thomas return (-1);
766 8a35f56c 2022-07-16 thomas }
767 8a35f56c 2022-07-16 thomas return (0);
768 8a35f56c 2022-07-16 thomas }
769 8a35f56c 2022-07-16 thomas
770 8a35f56c 2022-07-16 thomas struct file *
771 8a35f56c 2022-07-16 thomas newfile(const char *name, int secret)
772 8a35f56c 2022-07-16 thomas {
773 8a35f56c 2022-07-16 thomas struct file *nfile;
774 8a35f56c 2022-07-16 thomas
775 8a35f56c 2022-07-16 thomas nfile = calloc(1, sizeof(struct file));
776 8a35f56c 2022-07-16 thomas if (nfile == NULL) {
777 8a35f56c 2022-07-16 thomas log_warn("calloc");
778 8a35f56c 2022-07-16 thomas return (NULL);
779 8a35f56c 2022-07-16 thomas }
780 8a35f56c 2022-07-16 thomas nfile->name = strdup(name);
781 8a35f56c 2022-07-16 thomas if (nfile->name == NULL) {
782 8a35f56c 2022-07-16 thomas log_warn("strdup");
783 8a35f56c 2022-07-16 thomas free(nfile);
784 8a35f56c 2022-07-16 thomas return (NULL);
785 8a35f56c 2022-07-16 thomas }
786 8a35f56c 2022-07-16 thomas nfile->stream = fopen(nfile->name, "r");
787 8a35f56c 2022-07-16 thomas if (nfile->stream == NULL) {
788 8a35f56c 2022-07-16 thomas /* no warning, we don't require a conf file */
789 8a35f56c 2022-07-16 thomas free(nfile->name);
790 8a35f56c 2022-07-16 thomas free(nfile);
791 8a35f56c 2022-07-16 thomas return (NULL);
792 8a35f56c 2022-07-16 thomas } else if (secret &&
793 8a35f56c 2022-07-16 thomas check_file_secrecy(fileno(nfile->stream), nfile->name)) {
794 8a35f56c 2022-07-16 thomas fclose(nfile->stream);
795 8a35f56c 2022-07-16 thomas free(nfile->name);
796 8a35f56c 2022-07-16 thomas free(nfile);
797 8a35f56c 2022-07-16 thomas return (NULL);
798 8a35f56c 2022-07-16 thomas }
799 8a35f56c 2022-07-16 thomas nfile->lineno = 1;
800 8a35f56c 2022-07-16 thomas return (nfile);
801 8a35f56c 2022-07-16 thomas }
802 8a35f56c 2022-07-16 thomas
803 8a35f56c 2022-07-16 thomas static void
804 8a35f56c 2022-07-16 thomas closefile(struct file *xfile)
805 8a35f56c 2022-07-16 thomas {
806 8a35f56c 2022-07-16 thomas fclose(xfile->stream);
807 8a35f56c 2022-07-16 thomas free(xfile->name);
808 8a35f56c 2022-07-16 thomas free(xfile);
809 8a35f56c 2022-07-16 thomas }
810 8a35f56c 2022-07-16 thomas
811 9f849004 2022-08-06 thomas static void
812 9f849004 2022-08-06 thomas add_default_server(void)
813 9f849004 2022-08-06 thomas {
814 9f849004 2022-08-06 thomas new_srv = conf_new_server(D_SITENAME);
815 9f849004 2022-08-06 thomas log_debug("%s: adding default server %s", __func__, D_SITENAME);
816 9f849004 2022-08-06 thomas }
817 9f849004 2022-08-06 thomas
818 8a35f56c 2022-07-16 thomas int
819 8a35f56c 2022-07-16 thomas parse_config(const char *filename, struct gotwebd *env)
820 8a35f56c 2022-07-16 thomas {
821 8a35f56c 2022-07-16 thomas struct sym *sym, *next;
822 8a35f56c 2022-07-16 thomas
823 8a35f56c 2022-07-16 thomas if (config_init(env) == -1)
824 8a35f56c 2022-07-16 thomas fatalx("failed to initialize configuration");
825 8a35f56c 2022-07-16 thomas
826 8a35f56c 2022-07-16 thomas gotwebd = env;
827 9f849004 2022-08-06 thomas
828 9f849004 2022-08-06 thomas file = newfile(filename, 0);
829 9f849004 2022-08-06 thomas if (file == NULL) {
830 9f849004 2022-08-06 thomas add_default_server();
831 9f849004 2022-08-06 thomas sockets_parse_sockets(env);
832 9f849004 2022-08-06 thomas /* just return, as we don't require a conf file */
833 9f849004 2022-08-06 thomas return (0);
834 9f849004 2022-08-06 thomas }
835 8a35f56c 2022-07-16 thomas
836 8a35f56c 2022-07-16 thomas yyparse();
837 8a35f56c 2022-07-16 thomas errors = file->errors;
838 8a35f56c 2022-07-16 thomas closefile(file);
839 8a35f56c 2022-07-16 thomas
840 8a35f56c 2022-07-16 thomas /* Free macros and check which have not been used. */
841 8a35f56c 2022-07-16 thomas TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
842 8a35f56c 2022-07-16 thomas if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
843 8a35f56c 2022-07-16 thomas fprintf(stderr, "warning: macro '%s' not used\n",
844 8a35f56c 2022-07-16 thomas sym->nam);
845 8a35f56c 2022-07-16 thomas if (!sym->persist) {
846 8a35f56c 2022-07-16 thomas free(sym->nam);
847 8a35f56c 2022-07-16 thomas free(sym->val);
848 8a35f56c 2022-07-16 thomas TAILQ_REMOVE(&symhead, sym, entry);
849 8a35f56c 2022-07-16 thomas free(sym);
850 8a35f56c 2022-07-16 thomas }
851 8a35f56c 2022-07-16 thomas }
852 8a35f56c 2022-07-16 thomas
853 8a35f56c 2022-07-16 thomas if (errors)
854 8a35f56c 2022-07-16 thomas return (-1);
855 8a35f56c 2022-07-16 thomas
856 8a35f56c 2022-07-16 thomas /* just add default server if no config specified */
857 9f849004 2022-08-06 thomas if (gotwebd->server_cnt == 0)
858 9f849004 2022-08-06 thomas add_default_server();
859 8a35f56c 2022-07-16 thomas
860 8a35f56c 2022-07-16 thomas /* setup our listening sockets */
861 8a35f56c 2022-07-16 thomas sockets_parse_sockets(env);
862 8a35f56c 2022-07-16 thomas
863 8a35f56c 2022-07-16 thomas return (0);
864 8a35f56c 2022-07-16 thomas }
865 8a35f56c 2022-07-16 thomas
866 8a35f56c 2022-07-16 thomas struct server *
867 8a35f56c 2022-07-16 thomas conf_new_server(const char *name)
868 8a35f56c 2022-07-16 thomas {
869 8a35f56c 2022-07-16 thomas struct server *srv = NULL;
870 8a35f56c 2022-07-16 thomas
871 8a35f56c 2022-07-16 thomas srv = calloc(1, sizeof(*srv));
872 8a35f56c 2022-07-16 thomas if (srv == NULL)
873 8a35f56c 2022-07-16 thomas fatalx("%s: calloc", __func__);
874 8a35f56c 2022-07-16 thomas
875 8a35f56c 2022-07-16 thomas n = strlcpy(srv->name, name, sizeof(srv->name));
876 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->name))
877 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
878 8a35f56c 2022-07-16 thomas n = snprintf(srv->unix_socket_name,
879 8a35f56c 2022-07-16 thomas sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
880 8a35f56c 2022-07-16 thomas D_UNIX_SOCKET);
881 717a78d4 2022-08-16 thomas if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
882 8a35f56c 2022-07-16 thomas fatalx("%s: snprintf", __func__);
883 8a35f56c 2022-07-16 thomas n = strlcpy(srv->repos_path, D_GOTPATH,
884 8a35f56c 2022-07-16 thomas sizeof(srv->repos_path));
885 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->repos_path))
886 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
887 8a35f56c 2022-07-16 thomas n = strlcpy(srv->site_name, D_SITENAME,
888 8a35f56c 2022-07-16 thomas sizeof(srv->site_name));
889 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->site_name))
890 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
891 8a35f56c 2022-07-16 thomas n = strlcpy(srv->site_owner, D_SITEOWNER,
892 8a35f56c 2022-07-16 thomas sizeof(srv->site_owner));
893 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->site_owner))
894 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
895 8a35f56c 2022-07-16 thomas n = strlcpy(srv->site_link, D_SITELINK,
896 8a35f56c 2022-07-16 thomas sizeof(srv->site_link));
897 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->site_link))
898 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
899 8a35f56c 2022-07-16 thomas n = strlcpy(srv->logo, D_GOTLOGO,
900 8a35f56c 2022-07-16 thomas sizeof(srv->logo));
901 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->logo))
902 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
903 8a35f56c 2022-07-16 thomas n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
904 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->logo_url))
905 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
906 8a35f56c 2022-07-16 thomas n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
907 8a35f56c 2022-07-16 thomas if (n >= sizeof(srv->custom_css))
908 8a35f56c 2022-07-16 thomas fatalx("%s: strlcpy", __func__);
909 8a35f56c 2022-07-16 thomas
910 8a35f56c 2022-07-16 thomas srv->show_site_owner = D_SHOWSOWNER;
911 8a35f56c 2022-07-16 thomas srv->show_repo_owner = D_SHOWROWNER;
912 8a35f56c 2022-07-16 thomas srv->show_repo_age = D_SHOWAGE;
913 8a35f56c 2022-07-16 thomas srv->show_repo_description = D_SHOWDESC;
914 8a35f56c 2022-07-16 thomas srv->show_repo_cloneurl = D_SHOWURL;
915 3991b2a5 2022-10-31 thomas srv->respect_exportok = D_RESPECTEXPORTOK;
916 8a35f56c 2022-07-16 thomas
917 8a35f56c 2022-07-16 thomas srv->max_repos_display = D_MAXREPODISP;
918 8a35f56c 2022-07-16 thomas srv->max_commits_display = D_MAXCOMMITDISP;
919 8a35f56c 2022-07-16 thomas srv->max_repos = D_MAXREPO;
920 8a35f56c 2022-07-16 thomas
921 8a35f56c 2022-07-16 thomas srv->unix_socket = 1;
922 e4317279 2022-08-30 thomas srv->fcgi_socket = 0;
923 8a35f56c 2022-07-16 thomas
924 62f85214 2022-08-16 thomas TAILQ_INIT(&srv->al);
925 90d63d47 2022-08-16 thomas TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
926 8a35f56c 2022-07-16 thomas gotwebd->server_cnt++;
927 8a35f56c 2022-07-16 thomas
928 8a35f56c 2022-07-16 thomas return srv;
929 8a35f56c 2022-07-16 thomas };
930 8a35f56c 2022-07-16 thomas
931 8a35f56c 2022-07-16 thomas int
932 8a35f56c 2022-07-16 thomas symset(const char *nam, const char *val, int persist)
933 8a35f56c 2022-07-16 thomas {
934 8a35f56c 2022-07-16 thomas struct sym *sym;
935 8a35f56c 2022-07-16 thomas
936 8a35f56c 2022-07-16 thomas TAILQ_FOREACH(sym, &symhead, entry) {
937 8a35f56c 2022-07-16 thomas if (strcmp(nam, sym->nam) == 0)
938 8a35f56c 2022-07-16 thomas break;
939 8a35f56c 2022-07-16 thomas }
940 8a35f56c 2022-07-16 thomas
941 8a35f56c 2022-07-16 thomas if (sym != NULL) {
942 8a35f56c 2022-07-16 thomas if (sym->persist == 1)
943 8a35f56c 2022-07-16 thomas return (0);
944 8a35f56c 2022-07-16 thomas else {
945 8a35f56c 2022-07-16 thomas free(sym->nam);
946 8a35f56c 2022-07-16 thomas free(sym->val);
947 8a35f56c 2022-07-16 thomas TAILQ_REMOVE(&symhead, sym, entry);
948 8a35f56c 2022-07-16 thomas free(sym);
949 8a35f56c 2022-07-16 thomas }
950 8a35f56c 2022-07-16 thomas }
951 8a35f56c 2022-07-16 thomas sym = calloc(1, sizeof(*sym));
952 8a35f56c 2022-07-16 thomas if (sym == NULL)
953 8a35f56c 2022-07-16 thomas return (-1);
954 8a35f56c 2022-07-16 thomas
955 8a35f56c 2022-07-16 thomas sym->nam = strdup(nam);
956 8a35f56c 2022-07-16 thomas if (sym->nam == NULL) {
957 8a35f56c 2022-07-16 thomas free(sym);
958 8a35f56c 2022-07-16 thomas return (-1);
959 8a35f56c 2022-07-16 thomas }
960 8a35f56c 2022-07-16 thomas sym->val = strdup(val);
961 8a35f56c 2022-07-16 thomas if (sym->val == NULL) {
962 8a35f56c 2022-07-16 thomas free(sym->nam);
963 8a35f56c 2022-07-16 thomas free(sym);
964 8a35f56c 2022-07-16 thomas return (-1);
965 8a35f56c 2022-07-16 thomas }
966 8a35f56c 2022-07-16 thomas sym->used = 0;
967 8a35f56c 2022-07-16 thomas sym->persist = persist;
968 8a35f56c 2022-07-16 thomas TAILQ_INSERT_TAIL(&symhead, sym, entry);
969 8a35f56c 2022-07-16 thomas return (0);
970 8a35f56c 2022-07-16 thomas }
971 8a35f56c 2022-07-16 thomas
972 8a35f56c 2022-07-16 thomas int
973 8a35f56c 2022-07-16 thomas cmdline_symset(char *s)
974 8a35f56c 2022-07-16 thomas {
975 8a35f56c 2022-07-16 thomas char *sym, *val;
976 8a35f56c 2022-07-16 thomas int ret;
977 8a35f56c 2022-07-16 thomas
978 8a35f56c 2022-07-16 thomas val = strrchr(s, '=');
979 8a35f56c 2022-07-16 thomas if (val == NULL)
980 8a35f56c 2022-07-16 thomas return (-1);
981 8a35f56c 2022-07-16 thomas
982 43be1edb 2022-09-05 thomas sym = strndup(s, val - s);
983 8a35f56c 2022-07-16 thomas if (sym == NULL)
984 43be1edb 2022-09-05 thomas fatal("%s: strndup", __func__);
985 8a35f56c 2022-07-16 thomas
986 8a35f56c 2022-07-16 thomas ret = symset(sym, val + 1, 1);
987 8a35f56c 2022-07-16 thomas free(sym);
988 8a35f56c 2022-07-16 thomas
989 8a35f56c 2022-07-16 thomas return (ret);
990 8a35f56c 2022-07-16 thomas }
991 8a35f56c 2022-07-16 thomas
992 8a35f56c 2022-07-16 thomas char *
993 8a35f56c 2022-07-16 thomas symget(const char *nam)
994 8a35f56c 2022-07-16 thomas {
995 8a35f56c 2022-07-16 thomas struct sym *sym;
996 8a35f56c 2022-07-16 thomas
997 8a35f56c 2022-07-16 thomas TAILQ_FOREACH(sym, &symhead, entry) {
998 8a35f56c 2022-07-16 thomas if (strcmp(nam, sym->nam) == 0) {
999 8a35f56c 2022-07-16 thomas sym->used = 1;
1000 8a35f56c 2022-07-16 thomas return (sym->val);
1001 8a35f56c 2022-07-16 thomas }
1002 8a35f56c 2022-07-16 thomas }
1003 8a35f56c 2022-07-16 thomas return (NULL);
1004 8a35f56c 2022-07-16 thomas }
1005 8a35f56c 2022-07-16 thomas
1006 8a35f56c 2022-07-16 thomas int
1007 8a35f56c 2022-07-16 thomas getservice(const char *n)
1008 8a35f56c 2022-07-16 thomas {
1009 8a35f56c 2022-07-16 thomas struct servent *s;
1010 8a35f56c 2022-07-16 thomas const char *errstr;
1011 8a35f56c 2022-07-16 thomas long long llval;
1012 8a35f56c 2022-07-16 thomas
1013 8a35f56c 2022-07-16 thomas llval = strtonum(n, 0, UINT16_MAX, &errstr);
1014 8a35f56c 2022-07-16 thomas if (errstr) {
1015 8a35f56c 2022-07-16 thomas s = getservbyname(n, "tcp");
1016 8a35f56c 2022-07-16 thomas if (s == NULL)
1017 8a35f56c 2022-07-16 thomas s = getservbyname(n, "udp");
1018 8a35f56c 2022-07-16 thomas if (s == NULL)
1019 8a35f56c 2022-07-16 thomas return (-1);
1020 c19738c9 2022-08-27 thomas return ntohs(s->s_port);
1021 8a35f56c 2022-07-16 thomas }
1022 8a35f56c 2022-07-16 thomas
1023 c19738c9 2022-08-27 thomas return (unsigned short)llval;
1024 8a35f56c 2022-07-16 thomas }
1025 8a35f56c 2022-07-16 thomas
1026 8a35f56c 2022-07-16 thomas int
1027 bccb4ec2 2023-06-01 thomas host(const char *s, struct server *new_srv, int max,
1028 8a35f56c 2022-07-16 thomas in_port_t port, const char *ifname, int ipproto)
1029 8a35f56c 2022-07-16 thomas {
1030 8a35f56c 2022-07-16 thomas struct addrinfo hints, *res0, *res;
1031 8a35f56c 2022-07-16 thomas int error, cnt = 0;
1032 8a35f56c 2022-07-16 thomas struct sockaddr_in *sain;
1033 8a35f56c 2022-07-16 thomas struct sockaddr_in6 *sin6;
1034 8a35f56c 2022-07-16 thomas struct address *h;
1035 8a35f56c 2022-07-16 thomas
1036 e4c7e0b0 2022-08-30 thomas if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1037 8a35f56c 2022-07-16 thomas return (cnt);
1038 8a35f56c 2022-07-16 thomas
1039 8a35f56c 2022-07-16 thomas memset(&hints, 0, sizeof(hints));
1040 fb0cb708 2023-06-01 thomas hints.ai_family = AF_UNSPEC;
1041 fb0cb708 2023-06-01 thomas hints.ai_socktype = SOCK_STREAM; /* DUMMY */
1042 8a35f56c 2022-07-16 thomas hints.ai_flags = AI_ADDRCONFIG;
1043 8a35f56c 2022-07-16 thomas error = getaddrinfo(s, NULL, &hints, &res0);
1044 8a35f56c 2022-07-16 thomas if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1045 8a35f56c 2022-07-16 thomas return (0);
1046 8a35f56c 2022-07-16 thomas if (error) {
1047 8a35f56c 2022-07-16 thomas log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1048 8a35f56c 2022-07-16 thomas gai_strerror(error));
1049 8a35f56c 2022-07-16 thomas return (-1);
1050 8a35f56c 2022-07-16 thomas }
1051 8a35f56c 2022-07-16 thomas
1052 8a35f56c 2022-07-16 thomas for (res = res0; res && cnt < max; res = res->ai_next) {
1053 8a35f56c 2022-07-16 thomas if (res->ai_family != AF_INET &&
1054 8a35f56c 2022-07-16 thomas res->ai_family != AF_INET6)
1055 8a35f56c 2022-07-16 thomas continue;
1056 8a35f56c 2022-07-16 thomas if ((h = calloc(1, sizeof(*h))) == NULL)
1057 8a35f56c 2022-07-16 thomas fatal(__func__);
1058 8a35f56c 2022-07-16 thomas
1059 8a35f56c 2022-07-16 thomas if (port)
1060 8a35f56c 2022-07-16 thomas h->port = port;
1061 8a35f56c 2022-07-16 thomas if (ifname != NULL) {
1062 8a35f56c 2022-07-16 thomas if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1063 8a35f56c 2022-07-16 thomas sizeof(h->ifname)) {
1064 8a35f56c 2022-07-16 thomas log_warnx("%s: interface name truncated",
1065 8a35f56c 2022-07-16 thomas __func__);
1066 8a35f56c 2022-07-16 thomas freeaddrinfo(res0);
1067 8a35f56c 2022-07-16 thomas free(h);
1068 8a35f56c 2022-07-16 thomas return (-1);
1069 8a35f56c 2022-07-16 thomas }
1070 8a35f56c 2022-07-16 thomas }
1071 8a35f56c 2022-07-16 thomas if (ipproto != -1)
1072 8a35f56c 2022-07-16 thomas h->ipproto = ipproto;
1073 8a35f56c 2022-07-16 thomas h->ss.ss_family = res->ai_family;
1074 8a35f56c 2022-07-16 thomas
1075 8a35f56c 2022-07-16 thomas if (res->ai_family == AF_INET) {
1076 cdbe1d7d 2022-08-06 thomas struct sockaddr_in *ra;
1077 8a35f56c 2022-07-16 thomas sain = (struct sockaddr_in *)&h->ss;
1078 cdbe1d7d 2022-08-06 thomas ra = (struct sockaddr_in *)res->ai_addr;
1079 cdbe1d7d 2022-08-06 thomas got_sockaddr_inet_init(sain, &ra->sin_addr);
1080 8a35f56c 2022-07-16 thomas } else {
1081 cdbe1d7d 2022-08-06 thomas struct sockaddr_in6 *ra;
1082 8a35f56c 2022-07-16 thomas sin6 = (struct sockaddr_in6 *)&h->ss;
1083 cdbe1d7d 2022-08-06 thomas ra = (struct sockaddr_in6 *)res->ai_addr;
1084 cdbe1d7d 2022-08-06 thomas got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1085 8a35f56c 2022-07-16 thomas }
1086 8a35f56c 2022-07-16 thomas
1087 e4c7e0b0 2022-08-30 thomas if (add_addr(new_srv, h))
1088 e4c7e0b0 2022-08-30 thomas return -1;
1089 8a35f56c 2022-07-16 thomas cnt++;
1090 8a35f56c 2022-07-16 thomas }
1091 8a35f56c 2022-07-16 thomas if (cnt == max && res) {
1092 8a35f56c 2022-07-16 thomas log_warnx("%s: %s resolves to more than %d hosts", __func__,
1093 8a35f56c 2022-07-16 thomas s, max);
1094 8a35f56c 2022-07-16 thomas }
1095 8a35f56c 2022-07-16 thomas freeaddrinfo(res0);
1096 8a35f56c 2022-07-16 thomas return (cnt);
1097 8a35f56c 2022-07-16 thomas }
1098 8a35f56c 2022-07-16 thomas
1099 8a35f56c 2022-07-16 thomas int
1100 e4c7e0b0 2022-08-30 thomas host_if(const char *s, struct server *new_srv, int max,
1101 8a35f56c 2022-07-16 thomas in_port_t port, const char *ifname, int ipproto)
1102 8a35f56c 2022-07-16 thomas {
1103 8a35f56c 2022-07-16 thomas struct ifaddrs *ifap, *p;
1104 8a35f56c 2022-07-16 thomas struct sockaddr_in *sain;
1105 8a35f56c 2022-07-16 thomas struct sockaddr_in6 *sin6;
1106 8a35f56c 2022-07-16 thomas struct address *h;
1107 8a35f56c 2022-07-16 thomas int cnt = 0, af;
1108 8a35f56c 2022-07-16 thomas
1109 8a35f56c 2022-07-16 thomas if (getifaddrs(&ifap) == -1)
1110 8a35f56c 2022-07-16 thomas fatal("getifaddrs");
1111 8a35f56c 2022-07-16 thomas
1112 8a35f56c 2022-07-16 thomas /* First search for IPv4 addresses */
1113 8a35f56c 2022-07-16 thomas af = AF_INET;
1114 8a35f56c 2022-07-16 thomas
1115 8a35f56c 2022-07-16 thomas nextaf:
1116 8a35f56c 2022-07-16 thomas for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1117 8a35f56c 2022-07-16 thomas if (p->ifa_addr == NULL ||
1118 8a35f56c 2022-07-16 thomas p->ifa_addr->sa_family != af ||
1119 8a35f56c 2022-07-16 thomas (strcmp(s, p->ifa_name) != 0 &&
1120 8a35f56c 2022-07-16 thomas !is_if_in_group(p->ifa_name, s)))
1121 8a35f56c 2022-07-16 thomas continue;
1122 8a35f56c 2022-07-16 thomas if ((h = calloc(1, sizeof(*h))) == NULL)
1123 8a35f56c 2022-07-16 thomas fatal("calloc");
1124 8a35f56c 2022-07-16 thomas
1125 8a35f56c 2022-07-16 thomas if (port)
1126 8a35f56c 2022-07-16 thomas h->port = port;
1127 8a35f56c 2022-07-16 thomas if (ifname != NULL) {
1128 8a35f56c 2022-07-16 thomas if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1129 8a35f56c 2022-07-16 thomas sizeof(h->ifname)) {
1130 8a35f56c 2022-07-16 thomas log_warnx("%s: interface name truncated",
1131 8a35f56c 2022-07-16 thomas __func__);
1132 8a35f56c 2022-07-16 thomas free(h);
1133 8a35f56c 2022-07-16 thomas freeifaddrs(ifap);
1134 8a35f56c 2022-07-16 thomas return (-1);
1135 8a35f56c 2022-07-16 thomas }
1136 8a35f56c 2022-07-16 thomas }
1137 8a35f56c 2022-07-16 thomas if (ipproto != -1)
1138 8a35f56c 2022-07-16 thomas h->ipproto = ipproto;
1139 8a35f56c 2022-07-16 thomas h->ss.ss_family = af;
1140 8a35f56c 2022-07-16 thomas
1141 8a35f56c 2022-07-16 thomas if (af == AF_INET) {
1142 cdbe1d7d 2022-08-06 thomas struct sockaddr_in *ra;
1143 8a35f56c 2022-07-16 thomas sain = (struct sockaddr_in *)&h->ss;
1144 cdbe1d7d 2022-08-06 thomas ra = (struct sockaddr_in *)p->ifa_addr;
1145 cdbe1d7d 2022-08-06 thomas got_sockaddr_inet_init(sain, &ra->sin_addr);
1146 8a35f56c 2022-07-16 thomas } else {
1147 cdbe1d7d 2022-08-06 thomas struct sockaddr_in6 *ra;
1148 8a35f56c 2022-07-16 thomas sin6 = (struct sockaddr_in6 *)&h->ss;
1149 cdbe1d7d 2022-08-06 thomas ra = (struct sockaddr_in6 *)p->ifa_addr;
1150 cdbe1d7d 2022-08-06 thomas got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1151 cdbe1d7d 2022-08-06 thomas ra->sin6_scope_id);
1152 8a35f56c 2022-07-16 thomas }
1153 8a35f56c 2022-07-16 thomas
1154 e4c7e0b0 2022-08-30 thomas if (add_addr(new_srv, h))
1155 e4c7e0b0 2022-08-30 thomas return -1;
1156 8a35f56c 2022-07-16 thomas cnt++;
1157 8a35f56c 2022-07-16 thomas }
1158 8a35f56c 2022-07-16 thomas if (af == AF_INET) {
1159 8a35f56c 2022-07-16 thomas /* Next search for IPv6 addresses */
1160 8a35f56c 2022-07-16 thomas af = AF_INET6;
1161 8a35f56c 2022-07-16 thomas goto nextaf;
1162 8a35f56c 2022-07-16 thomas }
1163 8a35f56c 2022-07-16 thomas
1164 8a35f56c 2022-07-16 thomas if (cnt > max) {
1165 8a35f56c 2022-07-16 thomas log_warnx("%s: %s resolves to more than %d hosts", __func__,
1166 8a35f56c 2022-07-16 thomas s, max);
1167 8a35f56c 2022-07-16 thomas }
1168 8a35f56c 2022-07-16 thomas freeifaddrs(ifap);
1169 8a35f56c 2022-07-16 thomas return (cnt);
1170 8a35f56c 2022-07-16 thomas }
1171 8a35f56c 2022-07-16 thomas
1172 8a35f56c 2022-07-16 thomas int
1173 8a35f56c 2022-07-16 thomas is_if_in_group(const char *ifname, const char *groupname)
1174 8a35f56c 2022-07-16 thomas {
1175 ff36aeea 2022-07-16 thomas /* TA: Check this... */
1176 ff36aeea 2022-07-16 thomas #ifdef HAVE_STRUCT_IFGROUPREQ
1177 8a35f56c 2022-07-16 thomas unsigned int len;
1178 8a35f56c 2022-07-16 thomas struct ifgroupreq ifgr;
1179 8a35f56c 2022-07-16 thomas struct ifg_req *ifg;
1180 8a35f56c 2022-07-16 thomas int s;
1181 8a35f56c 2022-07-16 thomas int ret = 0;
1182 8a35f56c 2022-07-16 thomas
1183 8a35f56c 2022-07-16 thomas if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1184 8a35f56c 2022-07-16 thomas err(1, "socket");
1185 8a35f56c 2022-07-16 thomas
1186 8a35f56c 2022-07-16 thomas memset(&ifgr, 0, sizeof(ifgr));
1187 8a35f56c 2022-07-16 thomas if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1188 8a35f56c 2022-07-16 thomas err(1, "IFNAMSIZ");
1189 8a35f56c 2022-07-16 thomas if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1190 8a35f56c 2022-07-16 thomas if (errno == EINVAL || errno == ENOTTY)
1191 8a35f56c 2022-07-16 thomas goto end;
1192 8a35f56c 2022-07-16 thomas err(1, "SIOCGIFGROUP");
1193 8a35f56c 2022-07-16 thomas }
1194 8a35f56c 2022-07-16 thomas
1195 8a35f56c 2022-07-16 thomas len = ifgr.ifgr_len;
1196 8a35f56c 2022-07-16 thomas ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1197 8a35f56c 2022-07-16 thomas sizeof(struct ifg_req));
1198 8a35f56c 2022-07-16 thomas if (ifgr.ifgr_groups == NULL)
1199 8a35f56c 2022-07-16 thomas err(1, "getifgroups");
1200 8a35f56c 2022-07-16 thomas if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1201 8a35f56c 2022-07-16 thomas err(1, "SIOCGIFGROUP");
1202 8a35f56c 2022-07-16 thomas
1203 8a35f56c 2022-07-16 thomas ifg = ifgr.ifgr_groups;
1204 8a35f56c 2022-07-16 thomas for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1205 8a35f56c 2022-07-16 thomas len -= sizeof(struct ifg_req);
1206 8a35f56c 2022-07-16 thomas if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1207 8a35f56c 2022-07-16 thomas ret = 1;
1208 8a35f56c 2022-07-16 thomas break;
1209 8a35f56c 2022-07-16 thomas }
1210 8a35f56c 2022-07-16 thomas }
1211 8a35f56c 2022-07-16 thomas free(ifgr.ifgr_groups);
1212 8a35f56c 2022-07-16 thomas
1213 8a35f56c 2022-07-16 thomas end:
1214 8a35f56c 2022-07-16 thomas close(s);
1215 8a35f56c 2022-07-16 thomas return (ret);
1216 ff36aeea 2022-07-16 thomas #else
1217 ff36aeea 2022-07-16 thomas return (0);
1218 ff36aeea 2022-07-16 thomas #endif
1219 8a35f56c 2022-07-16 thomas }
1220 8a35f56c 2022-07-16 thomas
1221 8a35f56c 2022-07-16 thomas int
1222 e4c7e0b0 2022-08-30 thomas get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1223 8a35f56c 2022-07-16 thomas {
1224 8a35f56c 2022-07-16 thomas if (strcmp("", addr) == 0) {
1225 e4c7e0b0 2022-08-30 thomas if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1226 e4c7e0b0 2022-08-30 thomas -1) <= 0) {
1227 8a35f56c 2022-07-16 thomas yyerror("invalid listen ip: %s",
1228 a90e3117 2022-08-27 thomas "127.0.0.1");
1229 8a35f56c 2022-07-16 thomas return (-1);
1230 8a35f56c 2022-07-16 thomas }
1231 e4c7e0b0 2022-08-30 thomas if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1232 a90e3117 2022-08-27 thomas yyerror("invalid listen ip: %s", "::1");
1233 8a35f56c 2022-07-16 thomas return (-1);
1234 8a35f56c 2022-07-16 thomas }
1235 8a35f56c 2022-07-16 thomas } else {
1236 e4c7e0b0 2022-08-30 thomas if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1237 8a35f56c 2022-07-16 thomas -1) <= 0) {
1238 8a35f56c 2022-07-16 thomas yyerror("invalid listen ip: %s", addr);
1239 8a35f56c 2022-07-16 thomas return (-1);
1240 8a35f56c 2022-07-16 thomas }
1241 8a35f56c 2022-07-16 thomas }
1242 8a35f56c 2022-07-16 thomas return (0);
1243 e4c7e0b0 2022-08-30 thomas }
1244 e4c7e0b0 2022-08-30 thomas
1245 e4c7e0b0 2022-08-30 thomas int
1246 e4c7e0b0 2022-08-30 thomas addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1247 e4c7e0b0 2022-08-30 thomas const char *other_srv)
1248 e4c7e0b0 2022-08-30 thomas {
1249 e4c7e0b0 2022-08-30 thomas struct address *a;
1250 e4c7e0b0 2022-08-30 thomas void *ia;
1251 e4c7e0b0 2022-08-30 thomas char buf[INET6_ADDRSTRLEN];
1252 e4c7e0b0 2022-08-30 thomas const char *addrstr;
1253 e4c7e0b0 2022-08-30 thomas
1254 e4c7e0b0 2022-08-30 thomas TAILQ_FOREACH(a, al, entry) {
1255 e4c7e0b0 2022-08-30 thomas if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1256 e4c7e0b0 2022-08-30 thomas a->port != h->port)
1257 e4c7e0b0 2022-08-30 thomas continue;
1258 e4c7e0b0 2022-08-30 thomas
1259 e4c7e0b0 2022-08-30 thomas switch (h->ss.ss_family) {
1260 e4c7e0b0 2022-08-30 thomas case AF_INET:
1261 e4c7e0b0 2022-08-30 thomas ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1262 e4c7e0b0 2022-08-30 thomas break;
1263 e4c7e0b0 2022-08-30 thomas case AF_INET6:
1264 e4c7e0b0 2022-08-30 thomas ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1265 e4c7e0b0 2022-08-30 thomas break;
1266 e4c7e0b0 2022-08-30 thomas default:
1267 e4c7e0b0 2022-08-30 thomas yyerror("unknown address family: %d", h->ss.ss_family);
1268 e4c7e0b0 2022-08-30 thomas return -1;
1269 e4c7e0b0 2022-08-30 thomas }
1270 e4c7e0b0 2022-08-30 thomas addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1271 e4c7e0b0 2022-08-30 thomas if (addrstr) {
1272 e4c7e0b0 2022-08-30 thomas if (other_srv) {
1273 e4c7e0b0 2022-08-30 thomas yyerror("server %s: duplicate fcgi listen "
1274 e4c7e0b0 2022-08-30 thomas "address %s:%d, already used by server %s",
1275 e4c7e0b0 2022-08-30 thomas new_srv, addrstr, h->port, other_srv);
1276 e4c7e0b0 2022-08-30 thomas } else {
1277 e4c7e0b0 2022-08-30 thomas log_warnx("server: %s: duplicate fcgi listen "
1278 e4c7e0b0 2022-08-30 thomas "address %s:%d", new_srv, addrstr, h->port);
1279 e4c7e0b0 2022-08-30 thomas }
1280 e4c7e0b0 2022-08-30 thomas } else {
1281 e4c7e0b0 2022-08-30 thomas if (other_srv) {
1282 e4c7e0b0 2022-08-30 thomas yyerror("server: %s: duplicate fcgi listen "
1283 e4c7e0b0 2022-08-30 thomas "address, already used by server %s",
1284 e4c7e0b0 2022-08-30 thomas new_srv, other_srv);
1285 e4c7e0b0 2022-08-30 thomas } else {
1286 e4c7e0b0 2022-08-30 thomas log_warnx("server %s: duplicate fcgi listen "
1287 e4c7e0b0 2022-08-30 thomas "address", new_srv);
1288 e4c7e0b0 2022-08-30 thomas }
1289 e4c7e0b0 2022-08-30 thomas }
1290 e4c7e0b0 2022-08-30 thomas
1291 e4c7e0b0 2022-08-30 thomas return -1;
1292 e4c7e0b0 2022-08-30 thomas }
1293 e4c7e0b0 2022-08-30 thomas
1294 e4c7e0b0 2022-08-30 thomas return 0;
1295 8a35f56c 2022-07-16 thomas }
1296 e4c7e0b0 2022-08-30 thomas
1297 e4c7e0b0 2022-08-30 thomas int
1298 e4c7e0b0 2022-08-30 thomas add_addr(struct server *new_srv, struct address *h)
1299 e4c7e0b0 2022-08-30 thomas {
1300 e4c7e0b0 2022-08-30 thomas struct server *srv;
1301 e4c7e0b0 2022-08-30 thomas
1302 e4c7e0b0 2022-08-30 thomas /* Address cannot be shared between different servers. */
1303 e4c7e0b0 2022-08-30 thomas TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1304 e4c7e0b0 2022-08-30 thomas if (srv == new_srv)
1305 e4c7e0b0 2022-08-30 thomas continue;
1306 e4c7e0b0 2022-08-30 thomas if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1307 e4c7e0b0 2022-08-30 thomas return -1;
1308 e4c7e0b0 2022-08-30 thomas }
1309 e4c7e0b0 2022-08-30 thomas
1310 e4c7e0b0 2022-08-30 thomas /* Tolerate duplicate address lines within the scope of a server. */
1311 e4c7e0b0 2022-08-30 thomas if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1312 e4c7e0b0 2022-08-30 thomas TAILQ_INSERT_TAIL(&new_srv->al, h, entry);
1313 e4c7e0b0 2022-08-30 thomas else
1314 e4c7e0b0 2022-08-30 thomas free(h);
1315 e4c7e0b0 2022-08-30 thomas
1316 e4c7e0b0 2022-08-30 thomas return 0;
1317 e4c7e0b0 2022-08-30 thomas }