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 LISTEN 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 (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
207 yyerror("%s: unix_socket_name truncated",
216 server : SERVER STRING {
219 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
220 if (strcmp(srv->name, $2) == 0) {
221 yyerror("server name exists '%s'", $2);
227 new_srv = conf_new_server($2);
228 if (new_srv->fcgi_socket)
229 if (get_addrs(new_srv->fcgi_socket_bind,
231 new_srv->fcgi_socket_port) == -1) {
232 yyerror("could not get tcp iface "
236 log_debug("adding server %s", $2);
242 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
243 if (strcmp(srv->name, $2) == 0) {
244 yyerror("server name exists '%s'", $2);
250 new_srv = conf_new_server($2);
251 log_debug("adding server %s", $2);
253 } '{' optnl serveropts2 '}' {
254 if (get_addrs(new_srv->fcgi_socket_bind,
255 &new_srv->al, new_srv->fcgi_socket_port) == -1) {
256 yyerror("could not get tcp iface addrs");
262 serveropts1 : REPOS_PATH STRING {
263 n = strlcpy(new_srv->repos_path, $2,
264 sizeof(new_srv->repos_path));
265 if (n >= sizeof(new_srv->repos_path)) {
266 yyerror("%s: repos_path truncated", __func__);
273 n = strlcpy(new_srv->site_name, $2,
274 sizeof(new_srv->site_name));
275 if (n >= sizeof(new_srv->site_name)) {
276 yyerror("%s: site_name truncated", __func__);
282 | SITE_OWNER STRING {
283 n = strlcpy(new_srv->site_owner, $2,
284 sizeof(new_srv->site_owner));
285 if (n >= sizeof(new_srv->site_owner)) {
286 yyerror("%s: site_owner truncated", __func__);
293 n = strlcpy(new_srv->site_link, $2,
294 sizeof(new_srv->site_link));
295 if (n >= sizeof(new_srv->site_link)) {
296 yyerror("%s: site_link truncated", __func__);
303 n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
304 if (n >= sizeof(new_srv->logo)) {
305 yyerror("%s: logo truncated", __func__);
312 n = strlcpy(new_srv->logo_url, $2,
313 sizeof(new_srv->logo_url));
314 if (n >= sizeof(new_srv->logo_url)) {
315 yyerror("%s: logo_url truncated", __func__);
321 | CUSTOM_CSS STRING {
322 n = strlcpy(new_srv->custom_css, $2,
323 sizeof(new_srv->custom_css));
324 if (n >= sizeof(new_srv->custom_css)) {
325 yyerror("%s: custom_css truncated", __func__);
333 new_srv->max_repos = $2;
335 | SHOW_SITE_OWNER boolean {
336 new_srv->show_site_owner = $2;
338 | SHOW_REPO_OWNER boolean {
339 new_srv->show_repo_owner = $2;
341 | SHOW_REPO_AGE boolean {
342 new_srv->show_repo_age = $2;
344 | SHOW_REPO_DESCRIPTION boolean {
345 new_srv->show_repo_description = $2;
347 | SHOW_REPO_CLONEURL boolean {
348 new_srv->show_repo_cloneurl = $2;
350 | MAX_REPOS_DISPLAY NUMBER {
351 new_srv->max_repos_display = $2;
353 | MAX_COMMITS_DISPLAY NUMBER {
355 new_srv->max_commits_display = $2;
357 | FCGI_SOCKET boolean {
358 new_srv->fcgi_socket = $2;
360 | FCGI_SOCKET boolean {
361 new_srv->fcgi_socket = $2;
362 } '{' optnl socketopts2 '}'
363 | UNIX_SOCKET boolean {
364 new_srv->unix_socket = $2;
366 | UNIX_SOCKET_NAME STRING {
367 n = snprintf(new_srv->unix_socket_name,
368 sizeof(new_srv->unix_socket_name), "%s%s",
369 strlen(gotwebd->httpd_chroot) ?
370 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
372 (size_t)n >= sizeof(new_srv->unix_socket_name)) {
373 yyerror("%s: unix_socket_name truncated",
382 serveropts2 : serveropts2 serveropts1 nl
386 socketopts1 : LISTEN ON STRING {
387 n = strlcpy(new_srv->fcgi_socket_bind, $3,
388 sizeof(new_srv->fcgi_socket_bind));
389 if (n >= sizeof(new_srv->fcgi_socket_bind)) {
390 yyerror("%s: fcgi_socket_bind truncated",
400 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
401 if (srv->fcgi_socket_port == $2) {
402 yyerror("port already assigned");
406 new_srv->fcgi_socket_port = $2;
410 socketopts2 : socketopts2 socketopts1 nl
414 socketopts3 : LISTEN ON STRING {
415 n = strlcpy(gotwebd->fcgi_socket_bind, $3,
416 sizeof(gotwebd->fcgi_socket_bind));
417 if (n >= sizeof(gotwebd->fcgi_socket_bind)) {
418 yyerror("%s: fcgi_socket_bind truncated",
426 gotwebd->fcgi_socket_port = $2;
430 socketopts4 : socketopts4 socketopts3 nl
437 optnl : '\n' optnl /* zero or more newlines */
449 yyerror(const char *fmt, ...)
456 if (vasprintf(&msg, fmt, ap) == -1)
457 fatalx("yyerror vasprintf");
459 logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
465 kw_cmp(const void *k, const void *e)
467 return (strcmp(k, ((const struct keywords *)e)->k_name));
473 /* This has to be sorted always. */
474 static const struct keywords keywords[] = {
475 { "chroot", CHROOT },
476 { "custom_css", CUSTOM_CSS },
477 { "fcgi_socket", FCGI_SOCKET },
478 { "listen", LISTEN },
480 { "logo_url" , LOGO_URL },
481 { "max_commits_display", MAX_COMMITS_DISPLAY },
482 { "max_repos", MAX_REPOS },
483 { "max_repos_display", MAX_REPOS_DISPLAY },
486 { "prefork", PREFORK },
487 { "repos_path", REPOS_PATH },
488 { "server", SERVER },
489 { "show_repo_age", SHOW_REPO_AGE },
490 { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
491 { "show_repo_description", SHOW_REPO_DESCRIPTION },
492 { "show_repo_owner", SHOW_REPO_OWNER },
493 { "show_site_owner", SHOW_SITE_OWNER },
494 { "site_link", SITE_LINK },
495 { "site_name", SITE_NAME },
496 { "site_owner", SITE_OWNER },
497 { "unix_socket", UNIX_SOCKET },
498 { "unix_socket_name", UNIX_SOCKET_NAME },
500 const struct keywords *p;
502 p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
503 sizeof(keywords[0]), kw_cmp);
511 #define MAXPUSHBACK 128
513 unsigned char *parsebuf;
515 unsigned char pushback_buffer[MAXPUSHBACK];
516 int pushback_index = 0;
524 /* Read character from the parsebuffer instead of input. */
525 if (parseindex >= 0) {
526 c = parsebuf[parseindex++];
535 return (pushback_buffer[--pushback_index]);
538 c = getc(file->stream);
540 yyerror("reached end of file while parsing "
545 c = getc(file->stream);
547 next = getc(file->stream);
552 yylval.lineno = file->lineno;
554 c = getc(file->stream);
570 if (pushback_index < MAXPUSHBACK-1)
571 return (pushback_buffer[pushback_index++] = c);
583 /* Skip to either EOF or the first real EOL. */
586 c = pushback_buffer[--pushback_index];
602 unsigned char buf[8096];
603 unsigned char *p, *val;
610 while (c == ' ' || c == '\t')
611 c = lgetc(0); /* nothing */
613 yylval.lineno = file->lineno;
616 while (c != '\n' && c != EOF)
617 c = lgetc(0); /* nothing */
619 if (c == '$' && parsebuf == NULL) {
625 if (p + 1 >= buf + sizeof(buf) - 1) {
626 yyerror("string too long");
629 if (isalnum(c) || c == '_') {
639 yyerror("macro '%s' not defined", buf);
658 } else if (c == '\\') {
659 next = lgetc(quotec);
662 if (next == quotec || c == ' ' || c == '\t')
664 else if (next == '\n') {
669 } else if (c == quotec) {
672 } else if (c == '\0') {
673 yyerror("syntax error");
676 if (p + 1 >= buf + sizeof(buf) - 1) {
677 yyerror("string too long");
682 yylval.v.string = strdup(buf);
683 if (yylval.v.string == NULL)
684 err(1, "yylex: strdup");
688 #define allowed_to_end_number(x) \
689 (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
691 if (c == '-' || isdigit(c)) {
694 if ((unsigned)(p-buf) >= sizeof(buf)) {
695 yyerror("string too long");
699 } while (c != EOF && isdigit(c));
701 if (p == buf + 1 && buf[0] == '-')
703 if (c == EOF || allowed_to_end_number(c)) {
704 const char *errstr = NULL;
707 yylval.v.number = strtonum(buf, LLONG_MIN,
710 yyerror("\"%s\" invalid number: %s",
725 #define allowed_in_string(x) \
726 (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
727 x != '{' && x != '}' && \
728 x != '!' && x != '=' && x != '#' && \
731 if (isalnum(c) || c == ':' || c == '_') {
734 if ((unsigned)(p-buf) >= sizeof(buf)) {
735 yyerror("string too long");
739 } while (c != EOF && (allowed_in_string(c)));
743 if (token == STRING) {
744 yylval.v.string = strdup(buf);
745 if (yylval.v.string == NULL)
746 err(1, "yylex: strdup");
751 yylval.lineno = file->lineno;
760 check_file_secrecy(int fd, const char *fname)
764 if (fstat(fd, &st)) {
765 log_warn("cannot stat %s", fname);
768 if (st.st_uid != 0 && st.st_uid != getuid()) {
769 log_warnx("%s: owner not root or current user", fname);
772 if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
773 log_warnx("%s: group writable or world read/writable", fname);
780 newfile(const char *name, int secret)
784 nfile = calloc(1, sizeof(struct file));
789 nfile->name = strdup(name);
790 if (nfile->name == NULL) {
795 nfile->stream = fopen(nfile->name, "r");
796 if (nfile->stream == NULL) {
797 /* no warning, we don't require a conf file */
802 check_file_secrecy(fileno(nfile->stream), nfile->name)) {
803 fclose(nfile->stream);
813 closefile(struct file *xfile)
815 fclose(xfile->stream);
821 add_default_server(void)
823 new_srv = conf_new_server(D_SITENAME);
824 log_debug("%s: adding default server %s", __func__, D_SITENAME);
828 parse_config(const char *filename, struct gotwebd *env)
830 struct sym *sym, *next;
832 if (config_init(env) == -1)
833 fatalx("failed to initialize configuration");
837 file = newfile(filename, 0);
839 add_default_server();
840 sockets_parse_sockets(env);
841 /* just return, as we don't require a conf file */
846 errors = file->errors;
849 /* Free macros and check which have not been used. */
850 TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
851 if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
852 fprintf(stderr, "warning: macro '%s' not used\n",
857 TAILQ_REMOVE(&symhead, sym, entry);
865 /* just add default server if no config specified */
866 if (gotwebd->server_cnt == 0)
867 add_default_server();
869 /* setup our listening sockets */
870 sockets_parse_sockets(env);
876 conf_new_server(const char *name)
878 struct server *srv = NULL;
881 srv = calloc(1, sizeof(*srv));
883 fatalx("%s: calloc", __func__);
885 n = strlcpy(srv->name, name, sizeof(srv->name));
886 if (n >= sizeof(srv->name))
887 fatalx("%s: strlcpy", __func__);
888 n = snprintf(srv->unix_socket_name,
889 sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
891 if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
892 fatalx("%s: snprintf", __func__);
893 n = strlcpy(srv->repos_path, D_GOTPATH,
894 sizeof(srv->repos_path));
895 if (n >= sizeof(srv->repos_path))
896 fatalx("%s: strlcpy", __func__);
897 n = strlcpy(srv->site_name, D_SITENAME,
898 sizeof(srv->site_name));
899 if (n >= sizeof(srv->site_name))
900 fatalx("%s: strlcpy", __func__);
901 n = strlcpy(srv->site_owner, D_SITEOWNER,
902 sizeof(srv->site_owner));
903 if (n >= sizeof(srv->site_owner))
904 fatalx("%s: strlcpy", __func__);
905 n = strlcpy(srv->site_link, D_SITELINK,
906 sizeof(srv->site_link));
907 if (n >= sizeof(srv->site_link))
908 fatalx("%s: strlcpy", __func__);
909 n = strlcpy(srv->logo, D_GOTLOGO,
911 if (n >= sizeof(srv->logo))
912 fatalx("%s: strlcpy", __func__);
913 n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
914 if (n >= sizeof(srv->logo_url))
915 fatalx("%s: strlcpy", __func__);
916 n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
917 if (n >= sizeof(srv->custom_css))
918 fatalx("%s: strlcpy", __func__);
920 val = getservice(D_FCGI_PORT);
921 srv->fcgi_socket_port = gotwebd->fcgi_socket_port ?
922 gotwebd->fcgi_socket_port: htons(val);
924 srv->show_site_owner = D_SHOWSOWNER;
925 srv->show_repo_owner = D_SHOWROWNER;
926 srv->show_repo_age = D_SHOWAGE;
927 srv->show_repo_description = D_SHOWDESC;
928 srv->show_repo_cloneurl = D_SHOWURL;
930 srv->max_repos_display = D_MAXREPODISP;
931 srv->max_commits_display = D_MAXCOMMITDISP;
932 srv->max_repos = D_MAXREPO;
934 srv->unix_socket = 1;
935 srv->fcgi_socket = gotwebd->fcgi_socket ? gotwebd->fcgi_socket : 0;
937 TAILQ_INIT(&srv->al);
938 TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
939 gotwebd->server_cnt++;
945 symset(const char *nam, const char *val, int persist)
949 TAILQ_FOREACH(sym, &symhead, entry) {
950 if (strcmp(nam, sym->nam) == 0)
955 if (sym->persist == 1)
960 TAILQ_REMOVE(&symhead, sym, entry);
964 sym = calloc(1, sizeof(*sym));
968 sym->nam = strdup(nam);
969 if (sym->nam == NULL) {
973 sym->val = strdup(val);
974 if (sym->val == NULL) {
980 sym->persist = persist;
981 TAILQ_INSERT_TAIL(&symhead, sym, entry);
986 cmdline_symset(char *s)
992 val = strrchr(s, '=');
996 len = strlen(s) - strlen(val) + 1;
999 fatal("%s: malloc", __func__);
1001 memcpy(&sym, s, len);
1003 ret = symset(sym, val + 1, 1);
1010 symget(const char *nam)
1014 TAILQ_FOREACH(sym, &symhead, entry) {
1015 if (strcmp(nam, sym->nam) == 0) {
1024 getservice(const char *n)
1030 llval = strtonum(n, 0, UINT16_MAX, &errstr);
1032 s = getservbyname(n, "tcp");
1034 s = getservbyname(n, "udp");
1040 return (htons((unsigned short)llval));
1044 host_v4(const char *s)
1047 struct sockaddr_in *sain;
1050 memset(&ina, 0, sizeof(ina));
1051 if (inet_pton(AF_INET, s, &ina) != 1)
1054 if ((h = calloc(1, sizeof(*h))) == NULL)
1056 sain = (struct sockaddr_in *)&h->ss;
1057 got_sockaddr_inet_init(sain, &ina);
1058 if (sain->sin_addr.s_addr == INADDR_ANY)
1059 h->prefixlen = 0; /* 0.0.0.0 address */
1061 h->prefixlen = -1; /* host address */
1066 host_v6(const char *s)
1068 struct addrinfo hints, *res;
1069 struct sockaddr_in6 *sa_in6, *ra;
1070 struct address *h = NULL;
1072 memset(&hints, 0, sizeof(hints));
1073 hints.ai_family = AF_INET6;
1074 hints.ai_socktype = SOCK_DGRAM; /* dummy */
1075 hints.ai_flags = AI_NUMERICHOST;
1076 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1077 if ((h = calloc(1, sizeof(*h))) == NULL)
1079 sa_in6 = (struct sockaddr_in6 *)&h->ss;
1080 ra = (struct sockaddr_in6 *)res->ai_addr;
1081 got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1083 if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1084 sizeof(sa_in6->sin6_addr)) == 0)
1085 h->prefixlen = 0; /* any address */
1087 h->prefixlen = -1; /* host address */
1095 host_dns(const char *s, struct addresslist *al, int max,
1096 in_port_t port, const char *ifname, int ipproto)
1098 struct addrinfo hints, *res0, *res;
1100 struct sockaddr_in *sain;
1101 struct sockaddr_in6 *sin6;
1104 if ((cnt = host_if(s, al, max, port, ifname, ipproto)) != 0)
1107 memset(&hints, 0, sizeof(hints));
1108 hints.ai_family = PF_UNSPEC;
1109 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1110 hints.ai_flags = AI_ADDRCONFIG;
1111 error = getaddrinfo(s, NULL, &hints, &res0);
1112 if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1115 log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1116 gai_strerror(error));
1120 for (res = res0; res && cnt < max; res = res->ai_next) {
1121 if (res->ai_family != AF_INET &&
1122 res->ai_family != AF_INET6)
1124 if ((h = calloc(1, sizeof(*h))) == NULL)
1129 if (ifname != NULL) {
1130 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1131 sizeof(h->ifname)) {
1132 log_warnx("%s: interface name truncated",
1140 h->ipproto = ipproto;
1141 h->ss.ss_family = res->ai_family;
1142 h->prefixlen = -1; /* host address */
1144 if (res->ai_family == AF_INET) {
1145 struct sockaddr_in *ra;
1146 sain = (struct sockaddr_in *)&h->ss;
1147 ra = (struct sockaddr_in *)res->ai_addr;
1148 got_sockaddr_inet_init(sain, &ra->sin_addr);
1150 struct sockaddr_in6 *ra;
1151 sin6 = (struct sockaddr_in6 *)&h->ss;
1152 ra = (struct sockaddr_in6 *)res->ai_addr;
1153 got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1156 TAILQ_INSERT_HEAD(al, h, entry);
1159 if (cnt == max && res) {
1160 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1168 host_if(const char *s, struct addresslist *al, int max,
1169 in_port_t port, const char *ifname, int ipproto)
1171 struct ifaddrs *ifap, *p;
1172 struct sockaddr_in *sain;
1173 struct sockaddr_in6 *sin6;
1177 if (getifaddrs(&ifap) == -1)
1178 fatal("getifaddrs");
1180 /* First search for IPv4 addresses */
1184 for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1185 if (p->ifa_addr == NULL ||
1186 p->ifa_addr->sa_family != af ||
1187 (strcmp(s, p->ifa_name) != 0 &&
1188 !is_if_in_group(p->ifa_name, s)))
1190 if ((h = calloc(1, sizeof(*h))) == NULL)
1195 if (ifname != NULL) {
1196 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1197 sizeof(h->ifname)) {
1198 log_warnx("%s: interface name truncated",
1206 h->ipproto = ipproto;
1207 h->ss.ss_family = af;
1208 h->prefixlen = -1; /* host address */
1210 if (af == AF_INET) {
1211 struct sockaddr_in *ra;
1212 sain = (struct sockaddr_in *)&h->ss;
1213 ra = (struct sockaddr_in *)p->ifa_addr;
1214 got_sockaddr_inet_init(sain, &ra->sin_addr);
1216 struct sockaddr_in6 *ra;
1217 sin6 = (struct sockaddr_in6 *)&h->ss;
1218 ra = (struct sockaddr_in6 *)p->ifa_addr;
1219 got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1223 TAILQ_INSERT_HEAD(al, h, entry);
1226 if (af == AF_INET) {
1227 /* Next search for IPv6 addresses */
1233 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1241 host(const char *s, struct addresslist *al, int max,
1242 in_port_t port, const char *ifname, int ipproto)
1255 if (ifname != NULL) {
1256 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1257 sizeof(h->ifname)) {
1258 log_warnx("%s: interface name truncated",
1265 h->ipproto = ipproto;
1267 TAILQ_INSERT_HEAD(al, h, entry);
1271 return (host_dns(s, al, max, port, ifname, ipproto));
1275 is_if_in_group(const char *ifname, const char *groupname)
1278 struct ifgroupreq ifgr;
1279 struct ifg_req *ifg;
1283 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1286 memset(&ifgr, 0, sizeof(ifgr));
1287 if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1289 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1290 if (errno == EINVAL || errno == ENOTTY)
1292 err(1, "SIOCGIFGROUP");
1295 len = ifgr.ifgr_len;
1296 ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1297 sizeof(struct ifg_req));
1298 if (ifgr.ifgr_groups == NULL)
1299 err(1, "getifgroups");
1300 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1301 err(1, "SIOCGIFGROUP");
1303 ifg = ifgr.ifgr_groups;
1304 for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1305 len -= sizeof(struct ifg_req);
1306 if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1311 free(ifgr.ifgr_groups);
1319 get_addrs(const char *addr, struct addresslist *al, in_port_t port)
1321 if (strcmp("", addr) == 0) {
1322 if (host("0.0.0.0", al, 1, port, "0.0.0.0", -1) <= 0) {
1323 yyerror("invalid listen ip: %s",
1327 if (host("::", al, 1, port, "::", -1) <= 0) {
1328 yyerror("invalid listen ip: %s", "::");
1332 if (host(addr, al, GOTWEBD_MAXIFACE, port, addr,
1334 yyerror("invalid listen ip: %s", addr);