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>
51 #include "got_sockaddr.h"
52 #include "got_reference.h"
57 TAILQ_HEAD(files, file) files = TAILQ_HEAD_INITIALIZER(files);
59 TAILQ_ENTRY(file) entry;
65 struct file *newfile(const char *, int);
66 static void closefile(struct file *);
67 int check_file_secrecy(int, const char *);
70 int yyerror(const char *, ...)
71 __attribute__((__format__ (printf, 1, 2)))
72 __attribute__((__nonnull__ (1)));
73 int kw_cmp(const void *, const void *);
79 TAILQ_HEAD(symhead, sym) symhead = TAILQ_HEAD_INITIALIZER(symhead);
81 TAILQ_ENTRY(sym) entry;
88 int symset(const char *, const char *, int);
89 char *symget(const char *);
93 static struct gotwebd *gotwebd;
94 static struct server *new_srv;
95 static struct server *conf_new_server(const char *);
96 int getservice(const char *);
99 int get_addrs(const char *, struct server *, in_port_t);
100 int addr_dup_check(struct addresslist *, struct address *,
101 const char *, const char *);
102 int add_addr(struct server *, struct address *);
103 struct address *host_v4(const char *);
104 struct address *host_v6(const char *);
105 int host_dns(const char *, struct server *,
106 int, in_port_t, const char *, int);
107 int host_if(const char *, struct server *,
108 int, in_port_t, const char *, int);
109 int host(const char *, struct server *,
110 int, in_port_t, const char *, int);
111 int is_if_in_group(const char *, const char *);
124 %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
125 %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
126 %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
127 %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
128 %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS SOCKET
130 %token <v.string> STRING
131 %type <v.port> fcgiport
132 %token <v.number> NUMBER
133 %type <v.number> boolean
137 grammar : /* empty */
139 | grammar varset '\n'
141 | grammar server '\n'
142 | grammar error '\n' { file->errors++; }
145 varset : STRING '=' STRING {
148 if (isspace((unsigned char)*s)) {
149 yyerror("macro name cannot contain "
156 if (symset($1, $3, 0) == -1)
157 fatal("cannot store variable");
164 if (strcasecmp($1, "1") == 0 ||
165 strcasecmp($1, "yes") == 0 ||
166 strcasecmp($1, "on") == 0)
168 else if (strcasecmp($1, "0") == 0 ||
169 strcasecmp($1, "off") == 0 ||
170 strcasecmp($1, "no") == 0)
173 yyerror("invalid boolean value '%s'", $1);
180 | NUMBER { $$ = $1; }
183 fcgiport : PORT NUMBER {
184 if ($2 <= 0 || $2 > (int)USHRT_MAX) {
185 yyerror("invalid port: %lld", $2);
193 if ((val = getservice($2)) == -1) {
194 yyerror("invalid port: %s", $2);
204 main : PREFORK NUMBER {
205 gotwebd->prefork_gotwebd = $2;
208 n = strlcpy(gotwebd->httpd_chroot, $2,
209 sizeof(gotwebd->httpd_chroot));
210 if (n >= sizeof(gotwebd->httpd_chroot)) {
211 yyerror("%s: httpd_chroot truncated", __func__);
217 | UNIX_SOCKET boolean {
218 gotwebd->unix_socket = $2;
220 | UNIX_SOCKET_NAME STRING {
221 n = snprintf(gotwebd->unix_socket_name,
222 sizeof(gotwebd->unix_socket_name), "%s%s",
223 strlen(gotwebd->httpd_chroot) ?
224 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
226 (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
227 yyerror("%s: unix_socket_name truncated",
236 server : SERVER STRING {
239 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
240 if (strcmp(srv->name, $2) == 0) {
241 yyerror("server name exists '%s'", $2);
247 new_srv = conf_new_server($2);
248 log_debug("adding server %s", $2);
254 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
255 if (strcmp(srv->name, $2) == 0) {
256 yyerror("server name exists '%s'", $2);
262 new_srv = conf_new_server($2);
263 log_debug("adding server %s", $2);
265 } '{' optnl serveropts2 '}' {
269 serveropts1 : REPOS_PATH STRING {
270 n = strlcpy(new_srv->repos_path, $2,
271 sizeof(new_srv->repos_path));
272 if (n >= sizeof(new_srv->repos_path)) {
273 yyerror("%s: repos_path truncated", __func__);
280 n = strlcpy(new_srv->site_name, $2,
281 sizeof(new_srv->site_name));
282 if (n >= sizeof(new_srv->site_name)) {
283 yyerror("%s: site_name truncated", __func__);
289 | SITE_OWNER STRING {
290 n = strlcpy(new_srv->site_owner, $2,
291 sizeof(new_srv->site_owner));
292 if (n >= sizeof(new_srv->site_owner)) {
293 yyerror("%s: site_owner truncated", __func__);
300 n = strlcpy(new_srv->site_link, $2,
301 sizeof(new_srv->site_link));
302 if (n >= sizeof(new_srv->site_link)) {
303 yyerror("%s: site_link truncated", __func__);
310 n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
311 if (n >= sizeof(new_srv->logo)) {
312 yyerror("%s: logo truncated", __func__);
319 n = strlcpy(new_srv->logo_url, $2,
320 sizeof(new_srv->logo_url));
321 if (n >= sizeof(new_srv->logo_url)) {
322 yyerror("%s: logo_url truncated", __func__);
328 | CUSTOM_CSS STRING {
329 n = strlcpy(new_srv->custom_css, $2,
330 sizeof(new_srv->custom_css));
331 if (n >= sizeof(new_srv->custom_css)) {
332 yyerror("%s: custom_css truncated", __func__);
338 | LISTEN ON STRING fcgiport {
339 if (get_addrs($3, new_srv, $4) == -1) {
340 yyerror("could not get addrs");
343 new_srv->fcgi_socket = 1;
345 | LISTEN ON SOCKET STRING {
346 if (!strcasecmp($4, "off") ||
347 !strcasecmp($4, "no")) {
348 new_srv->unix_socket = 0;
353 new_srv->unix_socket = 1;
355 n = snprintf(new_srv->unix_socket_name,
356 sizeof(new_srv->unix_socket_name), "%s%s",
357 strlen(gotwebd->httpd_chroot) ?
358 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $4);
360 (size_t)n >= sizeof(new_srv->unix_socket_name)) {
361 yyerror("%s: unix_socket_name truncated",
370 new_srv->max_repos = $2;
372 | SHOW_SITE_OWNER boolean {
373 new_srv->show_site_owner = $2;
375 | SHOW_REPO_OWNER boolean {
376 new_srv->show_repo_owner = $2;
378 | SHOW_REPO_AGE boolean {
379 new_srv->show_repo_age = $2;
381 | SHOW_REPO_DESCRIPTION boolean {
382 new_srv->show_repo_description = $2;
384 | SHOW_REPO_CLONEURL boolean {
385 new_srv->show_repo_cloneurl = $2;
387 | RESPECT_EXPORTOK boolean {
388 new_srv->respect_exportok = $2;
390 | MAX_REPOS_DISPLAY NUMBER {
391 new_srv->max_repos_display = $2;
393 | MAX_COMMITS_DISPLAY NUMBER {
395 new_srv->max_commits_display = $2;
399 serveropts2 : serveropts2 serveropts1 nl
406 optnl : '\n' optnl /* zero or more newlines */
418 yyerror(const char *fmt, ...)
425 if (vasprintf(&msg, fmt, ap) == -1)
426 fatalx("yyerror vasprintf");
428 logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
434 kw_cmp(const void *k, const void *e)
436 return (strcmp(k, ((const struct keywords *)e)->k_name));
442 /* This has to be sorted always. */
443 static const struct keywords keywords[] = {
444 { "chroot", CHROOT },
445 { "custom_css", CUSTOM_CSS },
446 { "listen", LISTEN },
448 { "logo_url", LOGO_URL },
449 { "max_commits_display", MAX_COMMITS_DISPLAY },
450 { "max_repos", MAX_REPOS },
451 { "max_repos_display", MAX_REPOS_DISPLAY },
454 { "prefork", PREFORK },
455 { "repos_path", REPOS_PATH },
456 { "respect_exportok", RESPECT_EXPORTOK },
457 { "server", SERVER },
458 { "show_repo_age", SHOW_REPO_AGE },
459 { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
460 { "show_repo_description", SHOW_REPO_DESCRIPTION },
461 { "show_repo_owner", SHOW_REPO_OWNER },
462 { "show_site_owner", SHOW_SITE_OWNER },
463 { "site_link", SITE_LINK },
464 { "site_name", SITE_NAME },
465 { "site_owner", SITE_OWNER },
466 { "socket", SOCKET },
467 { "unix_socket", UNIX_SOCKET },
468 { "unix_socket_name", UNIX_SOCKET_NAME },
470 const struct keywords *p;
472 p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
473 sizeof(keywords[0]), kw_cmp);
481 #define MAXPUSHBACK 128
483 unsigned char *parsebuf;
485 unsigned char pushback_buffer[MAXPUSHBACK];
486 int pushback_index = 0;
494 /* Read character from the parsebuffer instead of input. */
495 if (parseindex >= 0) {
496 c = parsebuf[parseindex++];
505 return (pushback_buffer[--pushback_index]);
508 c = getc(file->stream);
510 yyerror("reached end of file while parsing "
515 c = getc(file->stream);
517 next = getc(file->stream);
522 yylval.lineno = file->lineno;
524 c = getc(file->stream);
540 if (pushback_index < MAXPUSHBACK-1)
541 return (pushback_buffer[pushback_index++] = c);
553 /* Skip to either EOF or the first real EOL. */
556 c = pushback_buffer[--pushback_index];
572 unsigned char buf[8096];
573 unsigned char *p, *val;
580 while (c == ' ' || c == '\t')
581 c = lgetc(0); /* nothing */
583 yylval.lineno = file->lineno;
586 while (c != '\n' && c != EOF)
587 c = lgetc(0); /* nothing */
589 if (c == '$' && parsebuf == NULL) {
595 if (p + 1 >= buf + sizeof(buf) - 1) {
596 yyerror("string too long");
599 if (isalnum(c) || c == '_') {
609 yyerror("macro '%s' not defined", buf);
628 } else if (c == '\\') {
629 next = lgetc(quotec);
632 if (next == quotec || c == ' ' || c == '\t')
634 else if (next == '\n') {
639 } else if (c == quotec) {
642 } else if (c == '\0') {
643 yyerror("syntax error");
646 if (p + 1 >= buf + sizeof(buf) - 1) {
647 yyerror("string too long");
652 yylval.v.string = strdup(buf);
653 if (yylval.v.string == NULL)
654 err(1, "yylex: strdup");
658 #define allowed_to_end_number(x) \
659 (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
661 if (c == '-' || isdigit(c)) {
664 if ((unsigned)(p-buf) >= sizeof(buf)) {
665 yyerror("string too long");
669 } while (c != EOF && isdigit(c));
671 if (p == buf + 1 && buf[0] == '-')
673 if (c == EOF || allowed_to_end_number(c)) {
674 const char *errstr = NULL;
677 yylval.v.number = strtonum(buf, LLONG_MIN,
680 yyerror("\"%s\" invalid number: %s",
695 #define allowed_in_string(x) \
696 (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
697 x != '{' && x != '}' && \
698 x != '!' && x != '=' && x != '#' && \
701 if (isalnum(c) || c == ':' || c == '_') {
704 if ((unsigned)(p-buf) >= sizeof(buf)) {
705 yyerror("string too long");
709 } while (c != EOF && (allowed_in_string(c)));
713 if (token == STRING) {
714 yylval.v.string = strdup(buf);
715 if (yylval.v.string == NULL)
716 err(1, "yylex: strdup");
721 yylval.lineno = file->lineno;
730 check_file_secrecy(int fd, const char *fname)
734 if (fstat(fd, &st)) {
735 log_warn("cannot stat %s", fname);
738 if (st.st_uid != 0 && st.st_uid != getuid()) {
739 log_warnx("%s: owner not root or current user", fname);
742 if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
743 log_warnx("%s: group writable or world read/writable", fname);
750 newfile(const char *name, int secret)
754 nfile = calloc(1, sizeof(struct file));
759 nfile->name = strdup(name);
760 if (nfile->name == NULL) {
765 nfile->stream = fopen(nfile->name, "r");
766 if (nfile->stream == NULL) {
767 /* no warning, we don't require a conf file */
772 check_file_secrecy(fileno(nfile->stream), nfile->name)) {
773 fclose(nfile->stream);
783 closefile(struct file *xfile)
785 fclose(xfile->stream);
791 add_default_server(void)
793 new_srv = conf_new_server(D_SITENAME);
794 log_debug("%s: adding default server %s", __func__, D_SITENAME);
798 parse_config(const char *filename, struct gotwebd *env)
800 struct sym *sym, *next;
802 if (config_init(env) == -1)
803 fatalx("failed to initialize configuration");
807 file = newfile(filename, 0);
809 add_default_server();
810 sockets_parse_sockets(env);
811 /* just return, as we don't require a conf file */
816 errors = file->errors;
819 /* Free macros and check which have not been used. */
820 TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
821 if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
822 fprintf(stderr, "warning: macro '%s' not used\n",
827 TAILQ_REMOVE(&symhead, sym, entry);
835 /* just add default server if no config specified */
836 if (gotwebd->server_cnt == 0)
837 add_default_server();
839 /* setup our listening sockets */
840 sockets_parse_sockets(env);
846 conf_new_server(const char *name)
848 struct server *srv = NULL;
850 srv = calloc(1, sizeof(*srv));
852 fatalx("%s: calloc", __func__);
854 n = strlcpy(srv->name, name, sizeof(srv->name));
855 if (n >= sizeof(srv->name))
856 fatalx("%s: strlcpy", __func__);
857 n = snprintf(srv->unix_socket_name,
858 sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
860 if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
861 fatalx("%s: snprintf", __func__);
862 n = strlcpy(srv->repos_path, D_GOTPATH,
863 sizeof(srv->repos_path));
864 if (n >= sizeof(srv->repos_path))
865 fatalx("%s: strlcpy", __func__);
866 n = strlcpy(srv->site_name, D_SITENAME,
867 sizeof(srv->site_name));
868 if (n >= sizeof(srv->site_name))
869 fatalx("%s: strlcpy", __func__);
870 n = strlcpy(srv->site_owner, D_SITEOWNER,
871 sizeof(srv->site_owner));
872 if (n >= sizeof(srv->site_owner))
873 fatalx("%s: strlcpy", __func__);
874 n = strlcpy(srv->site_link, D_SITELINK,
875 sizeof(srv->site_link));
876 if (n >= sizeof(srv->site_link))
877 fatalx("%s: strlcpy", __func__);
878 n = strlcpy(srv->logo, D_GOTLOGO,
880 if (n >= sizeof(srv->logo))
881 fatalx("%s: strlcpy", __func__);
882 n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
883 if (n >= sizeof(srv->logo_url))
884 fatalx("%s: strlcpy", __func__);
885 n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
886 if (n >= sizeof(srv->custom_css))
887 fatalx("%s: strlcpy", __func__);
889 srv->show_site_owner = D_SHOWSOWNER;
890 srv->show_repo_owner = D_SHOWROWNER;
891 srv->show_repo_age = D_SHOWAGE;
892 srv->show_repo_description = D_SHOWDESC;
893 srv->show_repo_cloneurl = D_SHOWURL;
894 srv->respect_exportok = D_RESPECTEXPORTOK;
896 srv->max_repos_display = D_MAXREPODISP;
897 srv->max_commits_display = D_MAXCOMMITDISP;
898 srv->max_repos = D_MAXREPO;
900 srv->unix_socket = 1;
901 srv->fcgi_socket = 0;
903 TAILQ_INIT(&srv->al);
904 TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
905 gotwebd->server_cnt++;
911 symset(const char *nam, const char *val, int persist)
915 TAILQ_FOREACH(sym, &symhead, entry) {
916 if (strcmp(nam, sym->nam) == 0)
921 if (sym->persist == 1)
926 TAILQ_REMOVE(&symhead, sym, entry);
930 sym = calloc(1, sizeof(*sym));
934 sym->nam = strdup(nam);
935 if (sym->nam == NULL) {
939 sym->val = strdup(val);
940 if (sym->val == NULL) {
946 sym->persist = persist;
947 TAILQ_INSERT_TAIL(&symhead, sym, entry);
952 cmdline_symset(char *s)
957 val = strrchr(s, '=');
961 sym = strndup(s, val - s);
963 fatal("%s: strndup", __func__);
965 ret = symset(sym, val + 1, 1);
972 symget(const char *nam)
976 TAILQ_FOREACH(sym, &symhead, entry) {
977 if (strcmp(nam, sym->nam) == 0) {
986 getservice(const char *n)
992 llval = strtonum(n, 0, UINT16_MAX, &errstr);
994 s = getservbyname(n, "tcp");
996 s = getservbyname(n, "udp");
999 return ntohs(s->s_port);
1002 return (unsigned short)llval;
1006 host_v4(const char *s)
1009 struct sockaddr_in *sain;
1012 memset(&ina, 0, sizeof(ina));
1013 if (inet_pton(AF_INET, s, &ina) != 1)
1016 if ((h = calloc(1, sizeof(*h))) == NULL)
1018 sain = (struct sockaddr_in *)&h->ss;
1019 got_sockaddr_inet_init(sain, &ina);
1020 if (sain->sin_addr.s_addr == INADDR_ANY)
1021 h->prefixlen = 0; /* 0.0.0.0 address */
1023 h->prefixlen = -1; /* host address */
1028 host_v6(const char *s)
1030 struct addrinfo hints, *res;
1031 struct sockaddr_in6 *sa_in6, *ra;
1032 struct address *h = NULL;
1034 memset(&hints, 0, sizeof(hints));
1035 hints.ai_family = AF_INET6;
1036 hints.ai_socktype = SOCK_DGRAM; /* dummy */
1037 hints.ai_flags = AI_NUMERICHOST;
1038 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1039 if ((h = calloc(1, sizeof(*h))) == NULL)
1041 sa_in6 = (struct sockaddr_in6 *)&h->ss;
1042 ra = (struct sockaddr_in6 *)res->ai_addr;
1043 got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1045 if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1046 sizeof(sa_in6->sin6_addr)) == 0)
1047 h->prefixlen = 0; /* any address */
1049 h->prefixlen = -1; /* host address */
1057 host_dns(const char *s, struct server *new_srv, int max,
1058 in_port_t port, const char *ifname, int ipproto)
1060 struct addrinfo hints, *res0, *res;
1062 struct sockaddr_in *sain;
1063 struct sockaddr_in6 *sin6;
1066 if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1069 memset(&hints, 0, sizeof(hints));
1070 hints.ai_family = PF_UNSPEC;
1071 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1072 hints.ai_flags = AI_ADDRCONFIG;
1073 error = getaddrinfo(s, NULL, &hints, &res0);
1074 if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1077 log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1078 gai_strerror(error));
1082 for (res = res0; res && cnt < max; res = res->ai_next) {
1083 if (res->ai_family != AF_INET &&
1084 res->ai_family != AF_INET6)
1086 if ((h = calloc(1, sizeof(*h))) == NULL)
1091 if (ifname != NULL) {
1092 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1093 sizeof(h->ifname)) {
1094 log_warnx("%s: interface name truncated",
1102 h->ipproto = ipproto;
1103 h->ss.ss_family = res->ai_family;
1104 h->prefixlen = -1; /* host address */
1106 if (res->ai_family == AF_INET) {
1107 struct sockaddr_in *ra;
1108 sain = (struct sockaddr_in *)&h->ss;
1109 ra = (struct sockaddr_in *)res->ai_addr;
1110 got_sockaddr_inet_init(sain, &ra->sin_addr);
1112 struct sockaddr_in6 *ra;
1113 sin6 = (struct sockaddr_in6 *)&h->ss;
1114 ra = (struct sockaddr_in6 *)res->ai_addr;
1115 got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1118 if (add_addr(new_srv, h))
1122 if (cnt == max && res) {
1123 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1131 host_if(const char *s, struct server *new_srv, int max,
1132 in_port_t port, const char *ifname, int ipproto)
1134 struct ifaddrs *ifap, *p;
1135 struct sockaddr_in *sain;
1136 struct sockaddr_in6 *sin6;
1140 if (getifaddrs(&ifap) == -1)
1141 fatal("getifaddrs");
1143 /* First search for IPv4 addresses */
1147 for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1148 if (p->ifa_addr == NULL ||
1149 p->ifa_addr->sa_family != af ||
1150 (strcmp(s, p->ifa_name) != 0 &&
1151 !is_if_in_group(p->ifa_name, s)))
1153 if ((h = calloc(1, sizeof(*h))) == NULL)
1158 if (ifname != NULL) {
1159 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1160 sizeof(h->ifname)) {
1161 log_warnx("%s: interface name truncated",
1169 h->ipproto = ipproto;
1170 h->ss.ss_family = af;
1171 h->prefixlen = -1; /* host address */
1173 if (af == AF_INET) {
1174 struct sockaddr_in *ra;
1175 sain = (struct sockaddr_in *)&h->ss;
1176 ra = (struct sockaddr_in *)p->ifa_addr;
1177 got_sockaddr_inet_init(sain, &ra->sin_addr);
1179 struct sockaddr_in6 *ra;
1180 sin6 = (struct sockaddr_in6 *)&h->ss;
1181 ra = (struct sockaddr_in6 *)p->ifa_addr;
1182 got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1186 if (add_addr(new_srv, h))
1190 if (af == AF_INET) {
1191 /* Next search for IPv6 addresses */
1197 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1205 host(const char *s, struct server *new_srv, int max,
1206 in_port_t port, const char *ifname, int ipproto)
1219 if (ifname != NULL) {
1220 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1221 sizeof(h->ifname)) {
1222 log_warnx("%s: interface name truncated",
1229 h->ipproto = ipproto;
1231 if (add_addr(new_srv, h))
1236 return (host_dns(s, new_srv, max, port, ifname, ipproto));
1240 is_if_in_group(const char *ifname, const char *groupname)
1242 /* TA: Check this... */
1243 #ifdef HAVE_STRUCT_IFGROUPREQ
1245 struct ifgroupreq ifgr;
1246 struct ifg_req *ifg;
1250 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1253 memset(&ifgr, 0, sizeof(ifgr));
1254 if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1256 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1257 if (errno == EINVAL || errno == ENOTTY)
1259 err(1, "SIOCGIFGROUP");
1262 len = ifgr.ifgr_len;
1263 ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1264 sizeof(struct ifg_req));
1265 if (ifgr.ifgr_groups == NULL)
1266 err(1, "getifgroups");
1267 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1268 err(1, "SIOCGIFGROUP");
1270 ifg = ifgr.ifgr_groups;
1271 for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1272 len -= sizeof(struct ifg_req);
1273 if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1278 free(ifgr.ifgr_groups);
1289 get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1291 if (strcmp("", addr) == 0) {
1292 if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1294 yyerror("invalid listen ip: %s",
1298 if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1299 yyerror("invalid listen ip: %s", "::1");
1303 if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1305 yyerror("invalid listen ip: %s", addr);
1313 addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1314 const char *other_srv)
1318 char buf[INET6_ADDRSTRLEN];
1319 const char *addrstr;
1321 TAILQ_FOREACH(a, al, entry) {
1322 if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1326 switch (h->ss.ss_family) {
1328 ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1331 ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1334 yyerror("unknown address family: %d", h->ss.ss_family);
1337 addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1340 yyerror("server %s: duplicate fcgi listen "
1341 "address %s:%d, already used by server %s",
1342 new_srv, addrstr, h->port, other_srv);
1344 log_warnx("server: %s: duplicate fcgi listen "
1345 "address %s:%d", new_srv, addrstr, h->port);
1349 yyerror("server: %s: duplicate fcgi listen "
1350 "address, already used by server %s",
1351 new_srv, other_srv);
1353 log_warnx("server %s: duplicate fcgi listen "
1354 "address", new_srv);
1365 add_addr(struct server *new_srv, struct address *h)
1369 /* Address cannot be shared between different servers. */
1370 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1373 if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1377 /* Tolerate duplicate address lines within the scope of a server. */
1378 if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1379 TAILQ_INSERT_TAIL(&new_srv->al, h, entry);