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 <sys/ioctl.h>
25 #include <sys/types.h>
26 #include <sys/queue.h>
27 #include <sys/socket.h>
31 #include <netinet/in.h>
33 #include <arpa/inet.h>
52 #include "got_sockaddr.h"
54 TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
56 TAILQ_ENTRY(file) entry;
62 struct file *newfile(const char *, int);
63 static void closefile(struct file *);
64 int check_file_secrecy(int, const char *);
67 int yyerror(const char *, ...)
68 __attribute__((__format__ (printf, 1, 2)))
69 __attribute__((__nonnull__ (1)));
70 int kw_cmp(const void *, const void *);
76 TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
78 TAILQ_ENTRY(sym) entry;
85 int symset(const char *, const char *, int);
86 char *symget(const char *);
90 static struct gotwebd *gotwebd;
91 static struct server *new_srv;
92 static struct server *conf_new_server(const char *);
93 int getservice(const char *);
96 int get_addrs(const char *, struct addresslist *, in_port_t);
97 struct address *host_v4(const char *);
98 struct address *host_v6(const char *);
99 int host_dns(const char *, struct addresslist *,
100 int, in_port_t, const char *, int);
101 int host_if(const char *, struct addresslist *,
102 int, in_port_t, const char *, int);
103 int host(const char *, struct addresslist *,
104 int, in_port_t, const char *, int);
105 int is_if_in_group(const char *, const char *);
118 %token BIND INTERFACE WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
119 %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
120 %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
121 %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK FCGI_SOCKET
122 %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS
124 %token <v.string> STRING
125 %type <v.port> fcgiport
126 %token <v.number> NUMBER
127 %type <v.number> boolean
134 | grammar server '\n'
138 if (strcasecmp($1, "1") == 0 ||
139 strcasecmp($1, "yes") == 0 ||
140 strcasecmp($1, "on") == 0)
142 else if (strcasecmp($1, "0") == 0 ||
143 strcasecmp($1, "off") == 0 ||
144 strcasecmp($1, "no") == 0)
147 yyerror("invalid boolean value '%s'", $1);
154 | NUMBER { $$ = $1; }
158 if ($1 <= 0 || $1 > (int)USHRT_MAX) {
159 yyerror("invalid port: %lld", $1);
167 if ((val = getservice($1)) == -1) {
168 yyerror("invalid port: %s", $1);
178 main : PREFORK NUMBER {
179 gotwebd->prefork_gotwebd = $2;
182 n = strlcpy(gotwebd->httpd_chroot, $2,
183 sizeof(gotwebd->httpd_chroot));
184 if (n >= sizeof(gotwebd->httpd_chroot)) {
185 yyerror("%s: httpd_chroot truncated", __func__);
191 | FCGI_SOCKET boolean {
192 gotwebd->fcgi_socket = $2;
194 | FCGI_SOCKET boolean {
195 gotwebd->fcgi_socket = $2;
196 } '{' optnl socketopts4 '}'
197 | UNIX_SOCKET boolean {
198 gotwebd->unix_socket = $2;
200 | UNIX_SOCKET_NAME STRING {
201 n = snprintf(gotwebd->unix_socket_name,
202 sizeof(gotwebd->unix_socket_name), "%s%s",
203 strlen(gotwebd->httpd_chroot) ?
204 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
206 yyerror("%s: unix_socket_name truncated",
215 server : SERVER STRING {
218 TAILQ_FOREACH(srv, gotwebd->servers, entry) {
219 if (strcmp(srv->name, $2) == 0) {
220 yyerror("server name exists '%s'", $2);
226 new_srv = conf_new_server($2);
227 if (new_srv->fcgi_socket)
228 if (get_addrs(new_srv->fcgi_socket_bind,
230 new_srv->fcgi_socket_port) == -1) {
231 yyerror("could not get tcp iface "
235 log_debug("adding server %s", $2);
241 TAILQ_FOREACH(srv, gotwebd->servers, entry) {
242 if (strcmp(srv->name, $2) == 0) {
243 yyerror("server name exists '%s'", $2);
249 new_srv = conf_new_server($2);
250 log_debug("adding server %s", $2);
252 } '{' optnl serveropts2 '}' {
253 if (get_addrs(new_srv->fcgi_socket_bind,
254 new_srv->al, new_srv->fcgi_socket_port) == -1) {
255 yyerror("could not get tcp iface addrs");
261 serveropts1 : REPOS_PATH STRING {
262 n = strlcpy(new_srv->repos_path, $2,
263 sizeof(new_srv->repos_path));
264 if (n >= sizeof(new_srv->repos_path)) {
265 yyerror("%s: repos_path truncated", __func__);
272 n = strlcpy(new_srv->site_name, $2,
273 sizeof(new_srv->site_name));
274 if (n >= sizeof(new_srv->site_name)) {
275 yyerror("%s: site_name truncated", __func__);
281 | SITE_OWNER STRING {
282 n = strlcpy(new_srv->site_owner, $2,
283 sizeof(new_srv->site_owner));
284 if (n >= sizeof(new_srv->site_owner)) {
285 yyerror("%s: site_owner truncated", __func__);
292 n = strlcpy(new_srv->site_link, $2,
293 sizeof(new_srv->site_link));
294 if (n >= sizeof(new_srv->site_link)) {
295 yyerror("%s: site_link truncated", __func__);
302 n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
303 if (n >= sizeof(new_srv->logo)) {
304 yyerror("%s: logo truncated", __func__);
311 n = strlcpy(new_srv->logo_url, $2,
312 sizeof(new_srv->logo_url));
313 if (n >= sizeof(new_srv->logo_url)) {
314 yyerror("%s: logo_url truncated", __func__);
320 | CUSTOM_CSS STRING {
321 n = strlcpy(new_srv->custom_css, $2,
322 sizeof(new_srv->custom_css));
323 if (n >= sizeof(new_srv->custom_css)) {
324 yyerror("%s: custom_css truncated", __func__);
332 new_srv->max_repos = $2;
334 | SHOW_SITE_OWNER boolean {
335 new_srv->show_site_owner = $2;
337 | SHOW_REPO_OWNER boolean {
338 new_srv->show_repo_owner = $2;
340 | SHOW_REPO_AGE boolean {
341 new_srv->show_repo_age = $2;
343 | SHOW_REPO_DESCRIPTION boolean {
344 new_srv->show_repo_description = $2;
346 | SHOW_REPO_CLONEURL boolean {
347 new_srv->show_repo_cloneurl = $2;
349 | MAX_REPOS_DISPLAY NUMBER {
350 new_srv->max_repos_display = $2;
352 | MAX_COMMITS_DISPLAY NUMBER {
354 new_srv->max_commits_display = $2;
356 | FCGI_SOCKET boolean {
357 new_srv->fcgi_socket = $2;
359 | FCGI_SOCKET boolean {
360 new_srv->fcgi_socket = $2;
361 } '{' optnl socketopts2 '}'
362 | UNIX_SOCKET boolean {
363 new_srv->unix_socket = $2;
365 | UNIX_SOCKET_NAME STRING {
366 n = snprintf(new_srv->unix_socket_name,
367 sizeof(new_srv->unix_socket_name), "%s%s",
368 strlen(gotwebd->httpd_chroot) ?
369 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
371 yyerror("%s: unix_socket_name truncated",
380 serveropts2 : serveropts2 serveropts1 nl
384 socketopts1 : BIND INTERFACE STRING {
385 n = strlcpy(new_srv->fcgi_socket_bind, $3,
386 sizeof(new_srv->fcgi_socket_bind));
387 if (n >= sizeof(new_srv->fcgi_socket_bind)) {
388 yyerror("%s: fcgi_socket_bind truncated",
398 TAILQ_FOREACH(srv, gotwebd->servers, entry) {
399 if (srv->fcgi_socket_port == $2) {
400 yyerror("port already assigned");
404 new_srv->fcgi_socket_port = $2;
408 socketopts2 : socketopts2 socketopts1 nl
412 socketopts3 : BIND INTERFACE STRING {
413 n = strlcpy(gotwebd->fcgi_socket_bind, $3,
414 sizeof(gotwebd->fcgi_socket_bind));
415 if (n >= sizeof(gotwebd->fcgi_socket_bind)) {
416 yyerror("%s: fcgi_socket_bind truncated",
424 gotwebd->fcgi_socket_port = $2;
428 socketopts4 : socketopts4 socketopts3 nl
435 optnl : '\n' optnl /* zero or more newlines */
447 yyerror(const char *fmt, ...)
454 if (vasprintf(&msg, fmt, ap) == -1)
455 fatalx("yyerror vasprintf");
457 logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
463 kw_cmp(const void *k, const void *e)
465 return (strcmp(k, ((const struct keywords *)e)->k_name));
471 /* This has to be sorted always. */
472 static const struct keywords keywords[] = {
474 { "chroot", CHROOT },
475 { "custom_css", CUSTOM_CSS },
476 { "fcgi_socket", FCGI_SOCKET },
477 { "interface", INTERFACE },
479 { "logo_url" , LOGO_URL },
480 { "max_commits_display", MAX_COMMITS_DISPLAY },
481 { "max_repos", MAX_REPOS },
482 { "max_repos_display", MAX_REPOS_DISPLAY },
484 { "prefork", PREFORK },
485 { "repos_path", REPOS_PATH },
486 { "server", SERVER },
487 { "show_repo_age", SHOW_REPO_AGE },
488 { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
489 { "show_repo_description", SHOW_REPO_DESCRIPTION },
490 { "show_repo_owner", SHOW_REPO_OWNER },
491 { "show_site_owner", SHOW_SITE_OWNER },
492 { "site_link", SITE_LINK },
493 { "site_name", SITE_NAME },
494 { "site_owner", SITE_OWNER },
495 { "unix_socket", UNIX_SOCKET },
496 { "unix_socket_name", UNIX_SOCKET_NAME },
498 const struct keywords *p;
500 p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
501 sizeof(keywords[0]), kw_cmp);
509 #define MAXPUSHBACK 128
511 unsigned char *parsebuf;
513 unsigned char pushback_buffer[MAXPUSHBACK];
514 int pushback_index = 0;
522 /* Read character from the parsebuffer instead of input. */
523 if (parseindex >= 0) {
524 c = parsebuf[parseindex++];
533 return (pushback_buffer[--pushback_index]);
536 c = getc(file->stream);
538 yyerror("reached end of file while parsing "
543 c = getc(file->stream);
545 next = getc(file->stream);
550 yylval.lineno = file->lineno;
552 c = getc(file->stream);
568 if (pushback_index < MAXPUSHBACK-1)
569 return (pushback_buffer[pushback_index++] = c);
581 /* Skip to either EOF or the first real EOL. */
584 c = pushback_buffer[--pushback_index];
600 unsigned char buf[8096];
601 unsigned char *p, *val;
608 while (c == ' ' || c == '\t')
609 c = lgetc(0); /* nothing */
611 yylval.lineno = file->lineno;
614 while (c != '\n' && c != EOF)
615 c = lgetc(0); /* nothing */
617 if (c == '$' && parsebuf == NULL) {
623 if (p + 1 >= buf + sizeof(buf) - 1) {
624 yyerror("string too long");
627 if (isalnum(c) || c == '_') {
637 yyerror("macro '%s' not defined", buf);
656 } else if (c == '\\') {
657 next = lgetc(quotec);
660 if (next == quotec || c == ' ' || c == '\t')
662 else if (next == '\n') {
667 } else if (c == quotec) {
670 } else if (c == '\0') {
671 yyerror("syntax error");
674 if (p + 1 >= buf + sizeof(buf) - 1) {
675 yyerror("string too long");
680 yylval.v.string = strdup(buf);
681 if (yylval.v.string == NULL)
682 err(1, "yylex: strdup");
686 #define allowed_to_end_number(x) \
687 (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
689 if (c == '-' || isdigit(c)) {
692 if ((unsigned)(p-buf) >= sizeof(buf)) {
693 yyerror("string too long");
697 } while (c != EOF && isdigit(c));
699 if (p == buf + 1 && buf[0] == '-')
701 if (c == EOF || allowed_to_end_number(c)) {
702 const char *errstr = NULL;
705 yylval.v.number = strtonum(buf, LLONG_MIN,
708 yyerror("\"%s\" invalid number: %s",
723 #define allowed_in_string(x) \
724 (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
725 x != '{' && x != '}' && \
726 x != '!' && x != '=' && x != '#' && \
729 if (isalnum(c) || c == ':' || c == '_') {
732 if ((unsigned)(p-buf) >= sizeof(buf)) {
733 yyerror("string too long");
737 } while (c != EOF && (allowed_in_string(c)));
741 if (token == STRING) {
742 yylval.v.string = strdup(buf);
743 if (yylval.v.string == NULL)
744 err(1, "yylex: strdup");
749 yylval.lineno = file->lineno;
758 check_file_secrecy(int fd, const char *fname)
762 if (fstat(fd, &st)) {
763 log_warn("cannot stat %s", fname);
766 if (st.st_uid != 0 && st.st_uid != getuid()) {
767 log_warnx("%s: owner not root or current user", fname);
770 if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
771 log_warnx("%s: group writable or world read/writable", fname);
778 newfile(const char *name, int secret)
782 nfile = calloc(1, sizeof(struct file));
787 nfile->name = strdup(name);
788 if (nfile->name == NULL) {
793 nfile->stream = fopen(nfile->name, "r");
794 if (nfile->stream == NULL) {
795 /* no warning, we don't require a conf file */
800 check_file_secrecy(fileno(nfile->stream), nfile->name)) {
801 fclose(nfile->stream);
811 closefile(struct file *xfile)
813 fclose(xfile->stream);
819 parse_config(const char *filename, struct gotwebd *env)
821 struct sym *sym, *next;
823 file = newfile(filename, 0);
825 /* just return, as we don't require a conf file */
828 if (config_init(env) == -1)
829 fatalx("failed to initialize configuration");
834 errors = file->errors;
837 /* Free macros and check which have not been used. */
838 TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
839 if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
840 fprintf(stderr, "warning: macro '%s' not used\n",
845 TAILQ_REMOVE(&symhead, sym, entry);
853 /* just add default server if no config specified */
854 if (gotwebd->server_cnt == 0) {
855 new_srv = conf_new_server(D_SITENAME);
856 log_debug("%s: adding default server %s", __func__, D_SITENAME);
859 /* setup our listening sockets */
860 sockets_parse_sockets(env);
866 conf_new_server(const char *name)
868 struct server *srv = NULL;
871 srv = calloc(1, sizeof(*srv));
873 fatalx("%s: calloc", __func__);
875 n = strlcpy(srv->name, name, sizeof(srv->name));
876 if (n >= sizeof(srv->name))
877 fatalx("%s: strlcpy", __func__);
878 n = snprintf(srv->unix_socket_name,
879 sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
882 fatalx("%s: snprintf", __func__);
883 n = strlcpy(srv->repos_path, D_GOTPATH,
884 sizeof(srv->repos_path));
885 if (n >= sizeof(srv->repos_path))
886 fatalx("%s: strlcpy", __func__);
887 n = strlcpy(srv->site_name, D_SITENAME,
888 sizeof(srv->site_name));
889 if (n >= sizeof(srv->site_name))
890 fatalx("%s: strlcpy", __func__);
891 n = strlcpy(srv->site_owner, D_SITEOWNER,
892 sizeof(srv->site_owner));
893 if (n >= sizeof(srv->site_owner))
894 fatalx("%s: strlcpy", __func__);
895 n = strlcpy(srv->site_link, D_SITELINK,
896 sizeof(srv->site_link));
897 if (n >= sizeof(srv->site_link))
898 fatalx("%s: strlcpy", __func__);
899 n = strlcpy(srv->logo, D_GOTLOGO,
901 if (n >= sizeof(srv->logo))
902 fatalx("%s: strlcpy", __func__);
903 n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
904 if (n >= sizeof(srv->logo_url))
905 fatalx("%s: strlcpy", __func__);
906 n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
907 if (n >= sizeof(srv->custom_css))
908 fatalx("%s: strlcpy", __func__);
910 val = getservice(D_FCGI_PORT);
911 srv->fcgi_socket_port = gotwebd->fcgi_socket_port ?
912 gotwebd->fcgi_socket_port: htons(val);
914 srv->show_site_owner = D_SHOWSOWNER;
915 srv->show_repo_owner = D_SHOWROWNER;
916 srv->show_repo_age = D_SHOWAGE;
917 srv->show_repo_description = D_SHOWDESC;
918 srv->show_repo_cloneurl = D_SHOWURL;
920 srv->max_repos_display = D_MAXREPODISP;
921 srv->max_commits_display = D_MAXCOMMITDISP;
922 srv->max_repos = D_MAXREPO;
924 srv->unix_socket = 1;
925 srv->fcgi_socket = gotwebd->fcgi_socket ? gotwebd->fcgi_socket : 0;
927 if ((srv->al = calloc(1, sizeof(*srv->al))) == NULL)
928 fatalx("%s: calloc", __func__);
931 TAILQ_INSERT_TAIL(gotwebd->servers, srv, entry);
932 gotwebd->server_cnt++;
938 symset(const char *nam, const char *val, int persist)
942 TAILQ_FOREACH(sym, &symhead, entry) {
943 if (strcmp(nam, sym->nam) == 0)
948 if (sym->persist == 1)
953 TAILQ_REMOVE(&symhead, sym, entry);
957 sym = calloc(1, sizeof(*sym));
961 sym->nam = strdup(nam);
962 if (sym->nam == NULL) {
966 sym->val = strdup(val);
967 if (sym->val == NULL) {
973 sym->persist = persist;
974 TAILQ_INSERT_TAIL(&symhead, sym, entry);
979 cmdline_symset(char *s)
985 val = strrchr(s, '=');
989 len = strlen(s) - strlen(val) + 1;
992 fatal("%s: malloc", __func__);
994 memcpy(&sym, s, len);
996 ret = symset(sym, val + 1, 1);
1003 symget(const char *nam)
1007 TAILQ_FOREACH(sym, &symhead, entry) {
1008 if (strcmp(nam, sym->nam) == 0) {
1017 getservice(const char *n)
1023 llval = strtonum(n, 0, UINT16_MAX, &errstr);
1025 s = getservbyname(n, "tcp");
1027 s = getservbyname(n, "udp");
1033 return (htons((unsigned short)llval));
1037 host_v4(const char *s)
1040 struct sockaddr_in *sain;
1043 memset(&ina, 0, sizeof(ina));
1044 if (inet_pton(AF_INET, s, &ina) != 1)
1047 if ((h = calloc(1, sizeof(*h))) == NULL)
1049 sain = (struct sockaddr_in *)&h->ss;
1050 got_sockaddr_inet_init(sain, &ina);
1051 if (sain->sin_addr.s_addr == INADDR_ANY)
1052 h->prefixlen = 0; /* 0.0.0.0 address */
1054 h->prefixlen = -1; /* host address */
1059 host_v6(const char *s)
1061 struct addrinfo hints, *res;
1062 struct sockaddr_in6 *sa_in6, *ra;
1063 struct address *h = NULL;
1065 memset(&hints, 0, sizeof(hints));
1066 hints.ai_family = AF_INET6;
1067 hints.ai_socktype = SOCK_DGRAM; /* dummy */
1068 hints.ai_flags = AI_NUMERICHOST;
1069 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1070 if ((h = calloc(1, sizeof(*h))) == NULL)
1072 sa_in6 = (struct sockaddr_in6 *)&h->ss;
1073 ra = (struct sockaddr_in6 *)res->ai_addr;
1074 got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1076 if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1077 sizeof(sa_in6->sin6_addr)) == 0)
1078 h->prefixlen = 0; /* any address */
1080 h->prefixlen = -1; /* host address */
1088 host_dns(const char *s, struct addresslist *al, int max,
1089 in_port_t port, const char *ifname, int ipproto)
1091 struct addrinfo hints, *res0, *res;
1093 struct sockaddr_in *sain;
1094 struct sockaddr_in6 *sin6;
1097 if ((cnt = host_if(s, al, max, port, ifname, ipproto)) != 0)
1100 memset(&hints, 0, sizeof(hints));
1101 hints.ai_family = PF_UNSPEC;
1102 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1103 hints.ai_flags = AI_ADDRCONFIG;
1104 error = getaddrinfo(s, NULL, &hints, &res0);
1105 if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1108 log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1109 gai_strerror(error));
1113 for (res = res0; res && cnt < max; res = res->ai_next) {
1114 if (res->ai_family != AF_INET &&
1115 res->ai_family != AF_INET6)
1117 if ((h = calloc(1, sizeof(*h))) == NULL)
1122 if (ifname != NULL) {
1123 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1124 sizeof(h->ifname)) {
1125 log_warnx("%s: interface name truncated",
1133 h->ipproto = ipproto;
1134 h->ss.ss_family = res->ai_family;
1135 h->prefixlen = -1; /* host address */
1137 if (res->ai_family == AF_INET) {
1138 struct sockaddr_in *ra;
1139 sain = (struct sockaddr_in *)&h->ss;
1140 ra = (struct sockaddr_in *)res->ai_addr;
1141 got_sockaddr_inet_init(sain, &ra->sin_addr);
1143 struct sockaddr_in6 *ra;
1144 sin6 = (struct sockaddr_in6 *)&h->ss;
1145 ra = (struct sockaddr_in6 *)res->ai_addr;
1146 got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1149 TAILQ_INSERT_HEAD(al, h, entry);
1152 if (cnt == max && res) {
1153 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1161 host_if(const char *s, struct addresslist *al, int max,
1162 in_port_t port, const char *ifname, int ipproto)
1164 struct ifaddrs *ifap, *p;
1165 struct sockaddr_in *sain;
1166 struct sockaddr_in6 *sin6;
1170 if (getifaddrs(&ifap) == -1)
1171 fatal("getifaddrs");
1173 /* First search for IPv4 addresses */
1177 for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1178 if (p->ifa_addr == NULL ||
1179 p->ifa_addr->sa_family != af ||
1180 (strcmp(s, p->ifa_name) != 0 &&
1181 !is_if_in_group(p->ifa_name, s)))
1183 if ((h = calloc(1, sizeof(*h))) == NULL)
1188 if (ifname != NULL) {
1189 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1190 sizeof(h->ifname)) {
1191 log_warnx("%s: interface name truncated",
1199 h->ipproto = ipproto;
1200 h->ss.ss_family = af;
1201 h->prefixlen = -1; /* host address */
1203 if (af == AF_INET) {
1204 struct sockaddr_in *ra;
1205 sain = (struct sockaddr_in *)&h->ss;
1206 ra = (struct sockaddr_in *)p->ifa_addr;
1207 got_sockaddr_inet_init(sain, &ra->sin_addr);
1209 struct sockaddr_in6 *ra;
1210 sin6 = (struct sockaddr_in6 *)&h->ss;
1211 ra = (struct sockaddr_in6 *)p->ifa_addr;
1212 got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1216 TAILQ_INSERT_HEAD(al, h, entry);
1219 if (af == AF_INET) {
1220 /* Next search for IPv6 addresses */
1226 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1234 host(const char *s, struct addresslist *al, int max,
1235 in_port_t port, const char *ifname, int ipproto)
1248 if (ifname != NULL) {
1249 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1250 sizeof(h->ifname)) {
1251 log_warnx("%s: interface name truncated",
1258 h->ipproto = ipproto;
1260 TAILQ_INSERT_HEAD(al, h, entry);
1264 return (host_dns(s, al, max, port, ifname, ipproto));
1268 is_if_in_group(const char *ifname, const char *groupname)
1271 struct ifgroupreq ifgr;
1272 struct ifg_req *ifg;
1276 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1279 memset(&ifgr, 0, sizeof(ifgr));
1280 if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1282 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1283 if (errno == EINVAL || errno == ENOTTY)
1285 err(1, "SIOCGIFGROUP");
1288 len = ifgr.ifgr_len;
1289 ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1290 sizeof(struct ifg_req));
1291 if (ifgr.ifgr_groups == NULL)
1292 err(1, "getifgroups");
1293 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1294 err(1, "SIOCGIFGROUP");
1296 ifg = ifgr.ifgr_groups;
1297 for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1298 len -= sizeof(struct ifg_req);
1299 if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1304 free(ifgr.ifgr_groups);
1312 get_addrs(const char *addr, struct addresslist *al, in_port_t port)
1314 if (strcmp("", addr) == 0) {
1315 if (host("0.0.0.0", al, 1, port, "0.0.0.0", -1) <= 0) {
1316 yyerror("invalid listen ip: %s",
1320 if (host("::", al, 1, port, "::", -1) <= 0) {
1321 yyerror("invalid listen ip: %s", "::");
1325 if (host(addr, al, GOTWEBD_MAXIFACE, port, addr,
1327 yyerror("invalid listen ip: %s", addr);