2 * Copyright (c) 2016-2019, 2020-2021 Tracey Emery <tracey@traceyemery.net>
3 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
4 * Copyright (c) 2004 Ryan McBride <mcbride@openbsd.org>
5 * Copyright (c) 2002, 2003, 2004 Henning Brauer <henning@openbsd.org>
6 * Copyright (c) 2001 Markus Friedl. All rights reserved.
7 * Copyright (c) 2001 Daniel Hartmeier. All rights reserved.
8 * Copyright (c) 2001 Theo de Raadt. All rights reserved.
10 * Permission to use, copy, modify, and distribute this software for any
11 * purpose with or without fee is hereby granted, provided that the above
12 * copyright notice and this permission notice appear in all copies.
14 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
15 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
17 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
18 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
19 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
20 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include "got_compat.h"
26 #include <sys/ioctl.h>
27 #include <sys/types.h>
28 #include <sys/queue.h>
29 #include <sys/socket.h>
33 #include <netinet/in.h>
35 #include <arpa/inet.h>
53 #include "got_sockaddr.h"
55 TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
57 TAILQ_ENTRY(file) entry;
63 struct file *newfile(const char *, int);
64 static void closefile(struct file *);
65 int check_file_secrecy(int, const char *);
68 int yyerror(const char *, ...)
69 __attribute__((__format__ (printf, 1, 2)))
70 __attribute__((__nonnull__ (1)));
71 int kw_cmp(const void *, const void *);
77 TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
79 TAILQ_ENTRY(sym) entry;
86 int symset(const char *, const char *, int);
87 char *symget(const char *);
91 static struct gotwebd *gotwebd;
92 static struct server *new_srv;
93 static struct server *conf_new_server(const char *);
94 int getservice(const char *);
97 int get_addrs(const char *, struct server *, in_port_t);
98 int addr_dup_check(struct addresslist *, struct address *,
99 const char *, const char *);
100 int add_addr(struct server *, struct address *);
101 struct address *host_v4(const char *);
102 struct address *host_v6(const char *);
103 int host_dns(const char *, struct server *,
104 int, in_port_t, const char *, int);
105 int host_if(const char *, struct server *,
106 int, in_port_t, const char *, int);
107 int host(const char *, struct server *,
108 int, in_port_t, const char *, int);
109 int is_if_in_group(const char *, const char *);
122 %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
123 %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
124 %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
125 %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
126 %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
128 %token <v.string> STRING
129 %type <v.port> fcgiport
130 %token <v.number> NUMBER
131 %type <v.number> boolean
135 grammar : /* empty */
137 | grammar varset '\n'
139 | grammar server '\n'
140 | grammar error '\n' { file->errors++; }
143 varset : STRING '=' STRING {
146 if (isspace((unsigned char)*s)) {
147 yyerror("macro name cannot contain "
154 if (symset($1, $3, 0) == -1)
155 fatal("cannot store variable");
162 if (strcasecmp($1, "1") == 0 ||
163 strcasecmp($1, "yes") == 0 ||
164 strcasecmp($1, "on") == 0)
166 else if (strcasecmp($1, "0") == 0 ||
167 strcasecmp($1, "off") == 0 ||
168 strcasecmp($1, "no") == 0)
171 yyerror("invalid boolean value '%s'", $1);
178 | NUMBER { $$ = $1; }
181 fcgiport : PORT NUMBER {
182 if ($2 <= 0 || $2 > (int)USHRT_MAX) {
183 yyerror("invalid port: %lld", $2);
191 if ((val = getservice($2)) == -1) {
192 yyerror("invalid port: %s", $2);
202 main : PREFORK NUMBER {
203 gotwebd->prefork_gotwebd = $2;
206 n = strlcpy(gotwebd->httpd_chroot, $2,
207 sizeof(gotwebd->httpd_chroot));
208 if (n >= sizeof(gotwebd->httpd_chroot)) {
209 yyerror("%s: httpd_chroot truncated", __func__);
215 | UNIX_SOCKET boolean {
216 gotwebd->unix_socket = $2;
218 | UNIX_SOCKET_NAME STRING {
219 n = snprintf(gotwebd->unix_socket_name,
220 sizeof(gotwebd->unix_socket_name), "%s%s",
221 strlen(gotwebd->httpd_chroot) ?
222 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
224 (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
225 yyerror("%s: unix_socket_name truncated",
234 server : SERVER STRING {
237 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
238 if (strcmp(srv->name, $2) == 0) {
239 yyerror("server name exists '%s'", $2);
245 new_srv = conf_new_server($2);
246 log_debug("adding server %s", $2);
252 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
253 if (strcmp(srv->name, $2) == 0) {
254 yyerror("server name exists '%s'", $2);
260 new_srv = conf_new_server($2);
261 log_debug("adding server %s", $2);
263 } '{' optnl serveropts2 '}' {
267 serveropts1 : REPOS_PATH STRING {
268 n = strlcpy(new_srv->repos_path, $2,
269 sizeof(new_srv->repos_path));
270 if (n >= sizeof(new_srv->repos_path)) {
271 yyerror("%s: repos_path truncated", __func__);
278 n = strlcpy(new_srv->site_name, $2,
279 sizeof(new_srv->site_name));
280 if (n >= sizeof(new_srv->site_name)) {
281 yyerror("%s: site_name truncated", __func__);
287 | SITE_OWNER STRING {
288 n = strlcpy(new_srv->site_owner, $2,
289 sizeof(new_srv->site_owner));
290 if (n >= sizeof(new_srv->site_owner)) {
291 yyerror("%s: site_owner truncated", __func__);
298 n = strlcpy(new_srv->site_link, $2,
299 sizeof(new_srv->site_link));
300 if (n >= sizeof(new_srv->site_link)) {
301 yyerror("%s: site_link truncated", __func__);
308 n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
309 if (n >= sizeof(new_srv->logo)) {
310 yyerror("%s: logo truncated", __func__);
317 n = strlcpy(new_srv->logo_url, $2,
318 sizeof(new_srv->logo_url));
319 if (n >= sizeof(new_srv->logo_url)) {
320 yyerror("%s: logo_url truncated", __func__);
326 | CUSTOM_CSS STRING {
327 n = strlcpy(new_srv->custom_css, $2,
328 sizeof(new_srv->custom_css));
329 if (n >= sizeof(new_srv->custom_css)) {
330 yyerror("%s: custom_css truncated", __func__);
336 | LISTEN ON STRING fcgiport {
337 if (get_addrs($3, new_srv, $4) == -1) {
338 yyerror("could not get addrs");
341 new_srv->fcgi_socket = 1;
343 | LISTEN ON SOCKET STRING {
344 if (!strcasecmp($4, "off") ||
345 !strcasecmp($4, "no")) {
346 new_srv->unix_socket = 0;
351 new_srv->unix_socket = 1;
353 n = snprintf(new_srv->unix_socket_name,
354 sizeof(new_srv->unix_socket_name), "%s%s",
355 strlen(gotwebd->httpd_chroot) ?
356 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $4);
358 (size_t)n >= sizeof(new_srv->unix_socket_name)) {
359 yyerror("%s: unix_socket_name truncated",
368 new_srv->max_repos = $2;
370 | SHOW_SITE_OWNER boolean {
371 new_srv->show_site_owner = $2;
373 | SHOW_REPO_OWNER boolean {
374 new_srv->show_repo_owner = $2;
376 | SHOW_REPO_AGE boolean {
377 new_srv->show_repo_age = $2;
379 | SHOW_REPO_DESCRIPTION boolean {
380 new_srv->show_repo_description = $2;
382 | SHOW_REPO_CLONEURL boolean {
383 new_srv->show_repo_cloneurl = $2;
385 | RESPECT_EXPORTOK boolean {
386 new_srv->respect_exportok = $2;
388 | MAX_REPOS_DISPLAY NUMBER {
389 new_srv->max_repos_display = $2;
391 | MAX_COMMITS_DISPLAY NUMBER {
393 new_srv->max_commits_display = $2;
397 serveropts2 : serveropts2 serveropts1 nl
404 optnl : '\n' optnl /* zero or more newlines */
416 yyerror(const char *fmt, ...)
423 if (vasprintf(&msg, fmt, ap) == -1)
424 fatalx("yyerror vasprintf");
426 logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
432 kw_cmp(const void *k, const void *e)
434 return (strcmp(k, ((const struct keywords *)e)->k_name));
440 /* This has to be sorted always. */
441 static const struct keywords keywords[] = {
442 { "chroot", CHROOT },
443 { "custom_css", CUSTOM_CSS },
444 { "listen", LISTEN },
446 { "logo_url", LOGO_URL },
447 { "max_commits_display", MAX_COMMITS_DISPLAY },
448 { "max_repos", MAX_REPOS },
449 { "max_repos_display", MAX_REPOS_DISPLAY },
452 { "prefork", PREFORK },
453 { "repos_path", REPOS_PATH },
454 { "respect_exportok", RESPECT_EXPORTOK },
455 { "server", SERVER },
456 { "show_repo_age", SHOW_REPO_AGE },
457 { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
458 { "show_repo_description", SHOW_REPO_DESCRIPTION },
459 { "show_repo_owner", SHOW_REPO_OWNER },
460 { "show_site_owner", SHOW_SITE_OWNER },
461 { "site_link", SITE_LINK },
462 { "site_name", SITE_NAME },
463 { "site_owner", SITE_OWNER },
464 { "socket", SOCKET },
465 { "unix_socket", UNIX_SOCKET },
466 { "unix_socket_name", UNIX_SOCKET_NAME },
468 const struct keywords *p;
470 p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
471 sizeof(keywords[0]), kw_cmp);
479 #define MAXPUSHBACK 128
481 unsigned char *parsebuf;
483 unsigned char pushback_buffer[MAXPUSHBACK];
484 int pushback_index = 0;
492 /* Read character from the parsebuffer instead of input. */
493 if (parseindex >= 0) {
494 c = parsebuf[parseindex++];
503 return (pushback_buffer[--pushback_index]);
506 c = getc(file->stream);
508 yyerror("reached end of file while parsing "
513 c = getc(file->stream);
515 next = getc(file->stream);
520 yylval.lineno = file->lineno;
522 c = getc(file->stream);
538 if (pushback_index < MAXPUSHBACK-1)
539 return (pushback_buffer[pushback_index++] = c);
551 /* Skip to either EOF or the first real EOL. */
554 c = pushback_buffer[--pushback_index];
570 unsigned char buf[8096];
571 unsigned char *p, *val;
578 while (c == ' ' || c == '\t')
579 c = lgetc(0); /* nothing */
581 yylval.lineno = file->lineno;
584 while (c != '\n' && c != EOF)
585 c = lgetc(0); /* nothing */
587 if (c == '$' && parsebuf == NULL) {
593 if (p + 1 >= buf + sizeof(buf) - 1) {
594 yyerror("string too long");
597 if (isalnum(c) || c == '_') {
607 yyerror("macro '%s' not defined", buf);
626 } else if (c == '\\') {
627 next = lgetc(quotec);
630 if (next == quotec || c == ' ' || c == '\t')
632 else if (next == '\n') {
637 } else if (c == quotec) {
640 } else if (c == '\0') {
641 yyerror("syntax error");
644 if (p + 1 >= buf + sizeof(buf) - 1) {
645 yyerror("string too long");
650 yylval.v.string = strdup(buf);
651 if (yylval.v.string == NULL)
652 err(1, "yylex: strdup");
656 #define allowed_to_end_number(x) \
657 (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
659 if (c == '-' || isdigit(c)) {
662 if ((unsigned)(p-buf) >= sizeof(buf)) {
663 yyerror("string too long");
667 } while (c != EOF && isdigit(c));
669 if (p == buf + 1 && buf[0] == '-')
671 if (c == EOF || allowed_to_end_number(c)) {
672 const char *errstr = NULL;
675 yylval.v.number = strtonum(buf, LLONG_MIN,
678 yyerror("\"%s\" invalid number: %s",
693 #define allowed_in_string(x) \
694 (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
695 x != '{' && x != '}' && \
696 x != '!' && x != '=' && x != '#' && \
699 if (isalnum(c) || c == ':' || c == '_') {
702 if ((unsigned)(p-buf) >= sizeof(buf)) {
703 yyerror("string too long");
707 } while (c != EOF && (allowed_in_string(c)));
711 if (token == STRING) {
712 yylval.v.string = strdup(buf);
713 if (yylval.v.string == NULL)
714 err(1, "yylex: strdup");
719 yylval.lineno = file->lineno;
728 check_file_secrecy(int fd, const char *fname)
732 if (fstat(fd, &st)) {
733 log_warn("cannot stat %s", fname);
736 if (st.st_uid != 0 && st.st_uid != getuid()) {
737 log_warnx("%s: owner not root or current user", fname);
740 if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
741 log_warnx("%s: group writable or world read/writable", fname);
748 newfile(const char *name, int secret)
752 nfile = calloc(1, sizeof(struct file));
757 nfile->name = strdup(name);
758 if (nfile->name == NULL) {
763 nfile->stream = fopen(nfile->name, "r");
764 if (nfile->stream == NULL) {
765 /* no warning, we don't require a conf file */
770 check_file_secrecy(fileno(nfile->stream), nfile->name)) {
771 fclose(nfile->stream);
781 closefile(struct file *xfile)
783 fclose(xfile->stream);
789 add_default_server(void)
791 new_srv = conf_new_server(D_SITENAME);
792 log_debug("%s: adding default server %s", __func__, D_SITENAME);
796 parse_config(const char *filename, struct gotwebd *env)
798 struct sym *sym, *next;
800 if (config_init(env) == -1)
801 fatalx("failed to initialize configuration");
805 file = newfile(filename, 0);
807 add_default_server();
808 sockets_parse_sockets(env);
809 /* just return, as we don't require a conf file */
814 errors = file->errors;
817 /* Free macros and check which have not been used. */
818 TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
819 if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
820 fprintf(stderr, "warning: macro '%s' not used\n",
825 TAILQ_REMOVE(&symhead, sym, entry);
833 /* just add default server if no config specified */
834 if (gotwebd->server_cnt == 0)
835 add_default_server();
837 /* setup our listening sockets */
838 sockets_parse_sockets(env);
844 conf_new_server(const char *name)
846 struct server *srv = NULL;
848 srv = calloc(1, sizeof(*srv));
850 fatalx("%s: calloc", __func__);
852 n = strlcpy(srv->name, name, sizeof(srv->name));
853 if (n >= sizeof(srv->name))
854 fatalx("%s: strlcpy", __func__);
855 n = snprintf(srv->unix_socket_name,
856 sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
858 if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
859 fatalx("%s: snprintf", __func__);
860 n = strlcpy(srv->repos_path, D_GOTPATH,
861 sizeof(srv->repos_path));
862 if (n >= sizeof(srv->repos_path))
863 fatalx("%s: strlcpy", __func__);
864 n = strlcpy(srv->site_name, D_SITENAME,
865 sizeof(srv->site_name));
866 if (n >= sizeof(srv->site_name))
867 fatalx("%s: strlcpy", __func__);
868 n = strlcpy(srv->site_owner, D_SITEOWNER,
869 sizeof(srv->site_owner));
870 if (n >= sizeof(srv->site_owner))
871 fatalx("%s: strlcpy", __func__);
872 n = strlcpy(srv->site_link, D_SITELINK,
873 sizeof(srv->site_link));
874 if (n >= sizeof(srv->site_link))
875 fatalx("%s: strlcpy", __func__);
876 n = strlcpy(srv->logo, D_GOTLOGO,
878 if (n >= sizeof(srv->logo))
879 fatalx("%s: strlcpy", __func__);
880 n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
881 if (n >= sizeof(srv->logo_url))
882 fatalx("%s: strlcpy", __func__);
883 n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
884 if (n >= sizeof(srv->custom_css))
885 fatalx("%s: strlcpy", __func__);
887 srv->show_site_owner = D_SHOWSOWNER;
888 srv->show_repo_owner = D_SHOWROWNER;
889 srv->show_repo_age = D_SHOWAGE;
890 srv->show_repo_description = D_SHOWDESC;
891 srv->show_repo_cloneurl = D_SHOWURL;
892 srv->respect_exportok = D_RESPECTEXPORTOK;
894 srv->max_repos_display = D_MAXREPODISP;
895 srv->max_commits_display = D_MAXCOMMITDISP;
896 srv->max_repos = D_MAXREPO;
898 srv->unix_socket = 1;
899 srv->fcgi_socket = 0;
901 TAILQ_INIT(&srv->al);
902 TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
903 gotwebd->server_cnt++;
909 symset(const char *nam, const char *val, int persist)
913 TAILQ_FOREACH(sym, &symhead, entry) {
914 if (strcmp(nam, sym->nam) == 0)
919 if (sym->persist == 1)
924 TAILQ_REMOVE(&symhead, sym, entry);
928 sym = calloc(1, sizeof(*sym));
932 sym->nam = strdup(nam);
933 if (sym->nam == NULL) {
937 sym->val = strdup(val);
938 if (sym->val == NULL) {
944 sym->persist = persist;
945 TAILQ_INSERT_TAIL(&symhead, sym, entry);
950 cmdline_symset(char *s)
955 val = strrchr(s, '=');
959 sym = strndup(s, val - s);
961 fatal("%s: strndup", __func__);
963 ret = symset(sym, val + 1, 1);
970 symget(const char *nam)
974 TAILQ_FOREACH(sym, &symhead, entry) {
975 if (strcmp(nam, sym->nam) == 0) {
984 getservice(const char *n)
990 llval = strtonum(n, 0, UINT16_MAX, &errstr);
992 s = getservbyname(n, "tcp");
994 s = getservbyname(n, "udp");
997 return ntohs(s->s_port);
1000 return (unsigned short)llval;
1004 host_v4(const char *s)
1007 struct sockaddr_in *sain;
1010 memset(&ina, 0, sizeof(ina));
1011 if (inet_pton(AF_INET, s, &ina) != 1)
1014 if ((h = calloc(1, sizeof(*h))) == NULL)
1016 sain = (struct sockaddr_in *)&h->ss;
1017 got_sockaddr_inet_init(sain, &ina);
1018 if (sain->sin_addr.s_addr == INADDR_ANY)
1019 h->prefixlen = 0; /* 0.0.0.0 address */
1021 h->prefixlen = -1; /* host address */
1026 host_v6(const char *s)
1028 struct addrinfo hints, *res;
1029 struct sockaddr_in6 *sa_in6, *ra;
1030 struct address *h = NULL;
1032 memset(&hints, 0, sizeof(hints));
1033 hints.ai_family = AF_INET6;
1034 hints.ai_socktype = SOCK_DGRAM; /* dummy */
1035 hints.ai_flags = AI_NUMERICHOST;
1036 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1037 if ((h = calloc(1, sizeof(*h))) == NULL)
1039 sa_in6 = (struct sockaddr_in6 *)&h->ss;
1040 ra = (struct sockaddr_in6 *)res->ai_addr;
1041 got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1043 if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1044 sizeof(sa_in6->sin6_addr)) == 0)
1045 h->prefixlen = 0; /* any address */
1047 h->prefixlen = -1; /* host address */
1055 host_dns(const char *s, struct server *new_srv, int max,
1056 in_port_t port, const char *ifname, int ipproto)
1058 struct addrinfo hints, *res0, *res;
1060 struct sockaddr_in *sain;
1061 struct sockaddr_in6 *sin6;
1064 if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1067 memset(&hints, 0, sizeof(hints));
1068 hints.ai_family = PF_UNSPEC;
1069 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1070 hints.ai_flags = AI_ADDRCONFIG;
1071 error = getaddrinfo(s, NULL, &hints, &res0);
1072 if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1075 log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1076 gai_strerror(error));
1080 for (res = res0; res && cnt < max; res = res->ai_next) {
1081 if (res->ai_family != AF_INET &&
1082 res->ai_family != AF_INET6)
1084 if ((h = calloc(1, sizeof(*h))) == NULL)
1089 if (ifname != NULL) {
1090 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1091 sizeof(h->ifname)) {
1092 log_warnx("%s: interface name truncated",
1100 h->ipproto = ipproto;
1101 h->ss.ss_family = res->ai_family;
1102 h->prefixlen = -1; /* host address */
1104 if (res->ai_family == AF_INET) {
1105 struct sockaddr_in *ra;
1106 sain = (struct sockaddr_in *)&h->ss;
1107 ra = (struct sockaddr_in *)res->ai_addr;
1108 got_sockaddr_inet_init(sain, &ra->sin_addr);
1110 struct sockaddr_in6 *ra;
1111 sin6 = (struct sockaddr_in6 *)&h->ss;
1112 ra = (struct sockaddr_in6 *)res->ai_addr;
1113 got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1116 if (add_addr(new_srv, h))
1120 if (cnt == max && res) {
1121 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1129 host_if(const char *s, struct server *new_srv, int max,
1130 in_port_t port, const char *ifname, int ipproto)
1132 struct ifaddrs *ifap, *p;
1133 struct sockaddr_in *sain;
1134 struct sockaddr_in6 *sin6;
1138 if (getifaddrs(&ifap) == -1)
1139 fatal("getifaddrs");
1141 /* First search for IPv4 addresses */
1145 for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1146 if (p->ifa_addr == NULL ||
1147 p->ifa_addr->sa_family != af ||
1148 (strcmp(s, p->ifa_name) != 0 &&
1149 !is_if_in_group(p->ifa_name, s)))
1151 if ((h = calloc(1, sizeof(*h))) == NULL)
1156 if (ifname != NULL) {
1157 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1158 sizeof(h->ifname)) {
1159 log_warnx("%s: interface name truncated",
1167 h->ipproto = ipproto;
1168 h->ss.ss_family = af;
1169 h->prefixlen = -1; /* host address */
1171 if (af == AF_INET) {
1172 struct sockaddr_in *ra;
1173 sain = (struct sockaddr_in *)&h->ss;
1174 ra = (struct sockaddr_in *)p->ifa_addr;
1175 got_sockaddr_inet_init(sain, &ra->sin_addr);
1177 struct sockaddr_in6 *ra;
1178 sin6 = (struct sockaddr_in6 *)&h->ss;
1179 ra = (struct sockaddr_in6 *)p->ifa_addr;
1180 got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1184 if (add_addr(new_srv, h))
1188 if (af == AF_INET) {
1189 /* Next search for IPv6 addresses */
1195 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1203 host(const char *s, struct server *new_srv, int max,
1204 in_port_t port, const char *ifname, int ipproto)
1217 if (ifname != NULL) {
1218 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1219 sizeof(h->ifname)) {
1220 log_warnx("%s: interface name truncated",
1227 h->ipproto = ipproto;
1229 if (add_addr(new_srv, h))
1234 return (host_dns(s, new_srv, max, port, ifname, ipproto));
1238 is_if_in_group(const char *ifname, const char *groupname)
1240 /* TA: Check this... */
1241 #ifdef HAVE_STRUCT_IFGROUPREQ
1243 struct ifgroupreq ifgr;
1244 struct ifg_req *ifg;
1248 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1251 memset(&ifgr, 0, sizeof(ifgr));
1252 if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1254 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1255 if (errno == EINVAL || errno == ENOTTY)
1257 err(1, "SIOCGIFGROUP");
1260 len = ifgr.ifgr_len;
1261 ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1262 sizeof(struct ifg_req));
1263 if (ifgr.ifgr_groups == NULL)
1264 err(1, "getifgroups");
1265 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1266 err(1, "SIOCGIFGROUP");
1268 ifg = ifgr.ifgr_groups;
1269 for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1270 len -= sizeof(struct ifg_req);
1271 if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1276 free(ifgr.ifgr_groups);
1287 get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1289 if (strcmp("", addr) == 0) {
1290 if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1292 yyerror("invalid listen ip: %s",
1296 if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1297 yyerror("invalid listen ip: %s", "::1");
1301 if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1303 yyerror("invalid listen ip: %s", addr);
1311 addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1312 const char *other_srv)
1316 char buf[INET6_ADDRSTRLEN];
1317 const char *addrstr;
1319 TAILQ_FOREACH(a, al, entry) {
1320 if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1324 switch (h->ss.ss_family) {
1326 ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1329 ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1332 yyerror("unknown address family: %d", h->ss.ss_family);
1335 addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1338 yyerror("server %s: duplicate fcgi listen "
1339 "address %s:%d, already used by server %s",
1340 new_srv, addrstr, h->port, other_srv);
1342 log_warnx("server: %s: duplicate fcgi listen "
1343 "address %s:%d", new_srv, addrstr, h->port);
1347 yyerror("server: %s: duplicate fcgi listen "
1348 "address, already used by server %s",
1349 new_srv, other_srv);
1351 log_warnx("server %s: duplicate fcgi listen "
1352 "address", new_srv);
1363 add_addr(struct server *new_srv, struct address *h)
1367 /* Address cannot be shared between different servers. */
1368 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1371 if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1375 /* Tolerate duplicate address lines within the scope of a server. */
1376 if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1377 TAILQ_INSERT_TAIL(&new_srv->al, h, entry);