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 server *, in_port_t);
97 int addr_dup_check(struct addresslist *, struct address *,
98 const char *, const char *);
99 int add_addr(struct server *, struct address *);
100 struct address *host_v4(const char *);
101 struct address *host_v6(const char *);
102 int host_dns(const char *, struct server *,
103 int, in_port_t, const char *, int);
104 int host_if(const char *, struct server *,
105 int, in_port_t, const char *, int);
106 int host(const char *, struct server *,
107 int, in_port_t, const char *, int);
108 int is_if_in_group(const char *, const char *);
121 %token LISTEN WWW_PATH MAX_REPOS SITE_NAME SITE_OWNER SITE_LINK LOGO
122 %token LOGO_URL SHOW_REPO_OWNER SHOW_REPO_AGE SHOW_REPO_DESCRIPTION
123 %token MAX_REPOS_DISPLAY REPOS_PATH MAX_COMMITS_DISPLAY ON ERROR
124 %token SHOW_SITE_OWNER SHOW_REPO_CLONEURL PORT PREFORK RESPECT_EXPORTOK
125 %token UNIX_SOCKET UNIX_SOCKET_NAME SERVER CHROOT CUSTOM_CSS
127 %token <v.string> STRING
128 %type <v.port> fcgiport
129 %token <v.number> NUMBER
130 %type <v.number> boolean
134 grammar : /* empty */
136 | grammar varset '\n'
138 | grammar server '\n'
139 | grammar error '\n' { file->errors++; }
142 varset : STRING '=' STRING {
145 if (isspace((unsigned char)*s)) {
146 yyerror("macro name cannot contain "
153 if (symset($1, $3, 0) == -1)
154 fatal("cannot store variable");
161 if (strcasecmp($1, "1") == 0 ||
162 strcasecmp($1, "yes") == 0 ||
163 strcasecmp($1, "on") == 0)
165 else if (strcasecmp($1, "0") == 0 ||
166 strcasecmp($1, "off") == 0 ||
167 strcasecmp($1, "no") == 0)
170 yyerror("invalid boolean value '%s'", $1);
177 | NUMBER { $$ = $1; }
180 fcgiport : PORT NUMBER {
181 if ($2 <= 0 || $2 > (int)USHRT_MAX) {
182 yyerror("invalid port: %lld", $2);
190 if ((val = getservice($2)) == -1) {
191 yyerror("invalid port: %s", $2);
201 main : PREFORK NUMBER {
202 gotwebd->prefork_gotwebd = $2;
205 n = strlcpy(gotwebd->httpd_chroot, $2,
206 sizeof(gotwebd->httpd_chroot));
207 if (n >= sizeof(gotwebd->httpd_chroot)) {
208 yyerror("%s: httpd_chroot truncated", __func__);
214 | UNIX_SOCKET boolean {
215 gotwebd->unix_socket = $2;
217 | UNIX_SOCKET_NAME STRING {
218 n = snprintf(gotwebd->unix_socket_name,
219 sizeof(gotwebd->unix_socket_name), "%s%s",
220 strlen(gotwebd->httpd_chroot) ?
221 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
223 (size_t)n >= sizeof(gotwebd->unix_socket_name)) {
224 yyerror("%s: unix_socket_name truncated",
233 server : SERVER STRING {
236 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
237 if (strcmp(srv->name, $2) == 0) {
238 yyerror("server name exists '%s'", $2);
244 new_srv = conf_new_server($2);
245 log_debug("adding server %s", $2);
251 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
252 if (strcmp(srv->name, $2) == 0) {
253 yyerror("server name exists '%s'", $2);
259 new_srv = conf_new_server($2);
260 log_debug("adding server %s", $2);
262 } '{' optnl serveropts2 '}' {
266 serveropts1 : REPOS_PATH STRING {
267 n = strlcpy(new_srv->repos_path, $2,
268 sizeof(new_srv->repos_path));
269 if (n >= sizeof(new_srv->repos_path)) {
270 yyerror("%s: repos_path truncated", __func__);
277 n = strlcpy(new_srv->site_name, $2,
278 sizeof(new_srv->site_name));
279 if (n >= sizeof(new_srv->site_name)) {
280 yyerror("%s: site_name truncated", __func__);
286 | SITE_OWNER STRING {
287 n = strlcpy(new_srv->site_owner, $2,
288 sizeof(new_srv->site_owner));
289 if (n >= sizeof(new_srv->site_owner)) {
290 yyerror("%s: site_owner truncated", __func__);
297 n = strlcpy(new_srv->site_link, $2,
298 sizeof(new_srv->site_link));
299 if (n >= sizeof(new_srv->site_link)) {
300 yyerror("%s: site_link truncated", __func__);
307 n = strlcpy(new_srv->logo, $2, sizeof(new_srv->logo));
308 if (n >= sizeof(new_srv->logo)) {
309 yyerror("%s: logo truncated", __func__);
316 n = strlcpy(new_srv->logo_url, $2,
317 sizeof(new_srv->logo_url));
318 if (n >= sizeof(new_srv->logo_url)) {
319 yyerror("%s: logo_url truncated", __func__);
325 | CUSTOM_CSS STRING {
326 n = strlcpy(new_srv->custom_css, $2,
327 sizeof(new_srv->custom_css));
328 if (n >= sizeof(new_srv->custom_css)) {
329 yyerror("%s: custom_css truncated", __func__);
335 | LISTEN ON STRING fcgiport {
336 if (get_addrs($3, new_srv, $4) == -1) {
337 yyerror("could not get addrs");
340 new_srv->fcgi_socket = 1;
344 new_srv->max_repos = $2;
346 | SHOW_SITE_OWNER boolean {
347 new_srv->show_site_owner = $2;
349 | SHOW_REPO_OWNER boolean {
350 new_srv->show_repo_owner = $2;
352 | SHOW_REPO_AGE boolean {
353 new_srv->show_repo_age = $2;
355 | SHOW_REPO_DESCRIPTION boolean {
356 new_srv->show_repo_description = $2;
358 | SHOW_REPO_CLONEURL boolean {
359 new_srv->show_repo_cloneurl = $2;
361 | RESPECT_EXPORTOK boolean {
362 new_srv->respect_exportok = $2;
364 | MAX_REPOS_DISPLAY NUMBER {
365 new_srv->max_repos_display = $2;
367 | MAX_COMMITS_DISPLAY NUMBER {
369 new_srv->max_commits_display = $2;
371 | UNIX_SOCKET boolean {
372 new_srv->unix_socket = $2;
374 | UNIX_SOCKET_NAME STRING {
375 n = snprintf(new_srv->unix_socket_name,
376 sizeof(new_srv->unix_socket_name), "%s%s",
377 strlen(gotwebd->httpd_chroot) ?
378 gotwebd->httpd_chroot : D_HTTPD_CHROOT, $2);
380 (size_t)n >= sizeof(new_srv->unix_socket_name)) {
381 yyerror("%s: unix_socket_name truncated",
390 serveropts2 : serveropts2 serveropts1 nl
397 optnl : '\n' optnl /* zero or more newlines */
409 yyerror(const char *fmt, ...)
416 if (vasprintf(&msg, fmt, ap) == -1)
417 fatalx("yyerror vasprintf");
419 logit(LOG_CRIT, "%s:%d: %s", file->name, yylval.lineno, msg);
425 kw_cmp(const void *k, const void *e)
427 return (strcmp(k, ((const struct keywords *)e)->k_name));
433 /* This has to be sorted always. */
434 static const struct keywords keywords[] = {
435 { "chroot", CHROOT },
436 { "custom_css", CUSTOM_CSS },
437 { "listen", LISTEN },
439 { "logo_url", LOGO_URL },
440 { "max_commits_display", MAX_COMMITS_DISPLAY },
441 { "max_repos", MAX_REPOS },
442 { "max_repos_display", MAX_REPOS_DISPLAY },
445 { "prefork", PREFORK },
446 { "repos_path", REPOS_PATH },
447 { "respect_exportok", RESPECT_EXPORTOK },
448 { "server", SERVER },
449 { "show_repo_age", SHOW_REPO_AGE },
450 { "show_repo_cloneurl", SHOW_REPO_CLONEURL },
451 { "show_repo_description", SHOW_REPO_DESCRIPTION },
452 { "show_repo_owner", SHOW_REPO_OWNER },
453 { "show_site_owner", SHOW_SITE_OWNER },
454 { "site_link", SITE_LINK },
455 { "site_name", SITE_NAME },
456 { "site_owner", SITE_OWNER },
457 { "unix_socket", UNIX_SOCKET },
458 { "unix_socket_name", UNIX_SOCKET_NAME },
460 const struct keywords *p;
462 p = bsearch(s, keywords, sizeof(keywords)/sizeof(keywords[0]),
463 sizeof(keywords[0]), kw_cmp);
471 #define MAXPUSHBACK 128
473 unsigned char *parsebuf;
475 unsigned char pushback_buffer[MAXPUSHBACK];
476 int pushback_index = 0;
484 /* Read character from the parsebuffer instead of input. */
485 if (parseindex >= 0) {
486 c = parsebuf[parseindex++];
495 return (pushback_buffer[--pushback_index]);
498 c = getc(file->stream);
500 yyerror("reached end of file while parsing "
505 c = getc(file->stream);
507 next = getc(file->stream);
512 yylval.lineno = file->lineno;
514 c = getc(file->stream);
530 if (pushback_index < MAXPUSHBACK-1)
531 return (pushback_buffer[pushback_index++] = c);
543 /* Skip to either EOF or the first real EOL. */
546 c = pushback_buffer[--pushback_index];
562 unsigned char buf[8096];
563 unsigned char *p, *val;
570 while (c == ' ' || c == '\t')
571 c = lgetc(0); /* nothing */
573 yylval.lineno = file->lineno;
576 while (c != '\n' && c != EOF)
577 c = lgetc(0); /* nothing */
579 if (c == '$' && parsebuf == NULL) {
585 if (p + 1 >= buf + sizeof(buf) - 1) {
586 yyerror("string too long");
589 if (isalnum(c) || c == '_') {
599 yyerror("macro '%s' not defined", buf);
618 } else if (c == '\\') {
619 next = lgetc(quotec);
622 if (next == quotec || c == ' ' || c == '\t')
624 else if (next == '\n') {
629 } else if (c == quotec) {
632 } else if (c == '\0') {
633 yyerror("syntax error");
636 if (p + 1 >= buf + sizeof(buf) - 1) {
637 yyerror("string too long");
642 yylval.v.string = strdup(buf);
643 if (yylval.v.string == NULL)
644 err(1, "yylex: strdup");
648 #define allowed_to_end_number(x) \
649 (isspace(x) || x == ')' || x ==',' || x == '/' || x == '}' || x == '=')
651 if (c == '-' || isdigit(c)) {
654 if ((unsigned)(p-buf) >= sizeof(buf)) {
655 yyerror("string too long");
659 } while (c != EOF && isdigit(c));
661 if (p == buf + 1 && buf[0] == '-')
663 if (c == EOF || allowed_to_end_number(c)) {
664 const char *errstr = NULL;
667 yylval.v.number = strtonum(buf, LLONG_MIN,
670 yyerror("\"%s\" invalid number: %s",
685 #define allowed_in_string(x) \
686 (isalnum(x) || (ispunct(x) && x != '(' && x != ')' && \
687 x != '{' && x != '}' && \
688 x != '!' && x != '=' && x != '#' && \
691 if (isalnum(c) || c == ':' || c == '_') {
694 if ((unsigned)(p-buf) >= sizeof(buf)) {
695 yyerror("string too long");
699 } while (c != EOF && (allowed_in_string(c)));
703 if (token == STRING) {
704 yylval.v.string = strdup(buf);
705 if (yylval.v.string == NULL)
706 err(1, "yylex: strdup");
711 yylval.lineno = file->lineno;
720 check_file_secrecy(int fd, const char *fname)
724 if (fstat(fd, &st)) {
725 log_warn("cannot stat %s", fname);
728 if (st.st_uid != 0 && st.st_uid != getuid()) {
729 log_warnx("%s: owner not root or current user", fname);
732 if (st.st_mode & (S_IWGRP | S_IXGRP | S_IRWXO)) {
733 log_warnx("%s: group writable or world read/writable", fname);
740 newfile(const char *name, int secret)
744 nfile = calloc(1, sizeof(struct file));
749 nfile->name = strdup(name);
750 if (nfile->name == NULL) {
755 nfile->stream = fopen(nfile->name, "r");
756 if (nfile->stream == NULL) {
757 /* no warning, we don't require a conf file */
762 check_file_secrecy(fileno(nfile->stream), nfile->name)) {
763 fclose(nfile->stream);
773 closefile(struct file *xfile)
775 fclose(xfile->stream);
781 add_default_server(void)
783 new_srv = conf_new_server(D_SITENAME);
784 log_debug("%s: adding default server %s", __func__, D_SITENAME);
788 parse_config(const char *filename, struct gotwebd *env)
790 struct sym *sym, *next;
792 if (config_init(env) == -1)
793 fatalx("failed to initialize configuration");
797 file = newfile(filename, 0);
799 add_default_server();
800 sockets_parse_sockets(env);
801 /* just return, as we don't require a conf file */
806 errors = file->errors;
809 /* Free macros and check which have not been used. */
810 TAILQ_FOREACH_SAFE(sym, &symhead, entry, next) {
811 if ((gotwebd->gotwebd_verbose > 1) && !sym->used)
812 fprintf(stderr, "warning: macro '%s' not used\n",
817 TAILQ_REMOVE(&symhead, sym, entry);
825 /* just add default server if no config specified */
826 if (gotwebd->server_cnt == 0)
827 add_default_server();
829 /* setup our listening sockets */
830 sockets_parse_sockets(env);
836 conf_new_server(const char *name)
838 struct server *srv = NULL;
840 srv = calloc(1, sizeof(*srv));
842 fatalx("%s: calloc", __func__);
844 n = strlcpy(srv->name, name, sizeof(srv->name));
845 if (n >= sizeof(srv->name))
846 fatalx("%s: strlcpy", __func__);
847 n = snprintf(srv->unix_socket_name,
848 sizeof(srv->unix_socket_name), "%s%s", D_HTTPD_CHROOT,
850 if (n < 0 || (size_t)n >= sizeof(srv->unix_socket_name))
851 fatalx("%s: snprintf", __func__);
852 n = strlcpy(srv->repos_path, D_GOTPATH,
853 sizeof(srv->repos_path));
854 if (n >= sizeof(srv->repos_path))
855 fatalx("%s: strlcpy", __func__);
856 n = strlcpy(srv->site_name, D_SITENAME,
857 sizeof(srv->site_name));
858 if (n >= sizeof(srv->site_name))
859 fatalx("%s: strlcpy", __func__);
860 n = strlcpy(srv->site_owner, D_SITEOWNER,
861 sizeof(srv->site_owner));
862 if (n >= sizeof(srv->site_owner))
863 fatalx("%s: strlcpy", __func__);
864 n = strlcpy(srv->site_link, D_SITELINK,
865 sizeof(srv->site_link));
866 if (n >= sizeof(srv->site_link))
867 fatalx("%s: strlcpy", __func__);
868 n = strlcpy(srv->logo, D_GOTLOGO,
870 if (n >= sizeof(srv->logo))
871 fatalx("%s: strlcpy", __func__);
872 n = strlcpy(srv->logo_url, D_GOTURL, sizeof(srv->logo_url));
873 if (n >= sizeof(srv->logo_url))
874 fatalx("%s: strlcpy", __func__);
875 n = strlcpy(srv->custom_css, D_GOTWEBCSS, sizeof(srv->custom_css));
876 if (n >= sizeof(srv->custom_css))
877 fatalx("%s: strlcpy", __func__);
879 srv->show_site_owner = D_SHOWSOWNER;
880 srv->show_repo_owner = D_SHOWROWNER;
881 srv->show_repo_age = D_SHOWAGE;
882 srv->show_repo_description = D_SHOWDESC;
883 srv->show_repo_cloneurl = D_SHOWURL;
884 srv->respect_exportok = D_RESPECTEXPORTOK;
886 srv->max_repos_display = D_MAXREPODISP;
887 srv->max_commits_display = D_MAXCOMMITDISP;
888 srv->max_repos = D_MAXREPO;
890 srv->unix_socket = 1;
891 srv->fcgi_socket = 0;
893 TAILQ_INIT(&srv->al);
894 TAILQ_INSERT_TAIL(&gotwebd->servers, srv, entry);
895 gotwebd->server_cnt++;
901 symset(const char *nam, const char *val, int persist)
905 TAILQ_FOREACH(sym, &symhead, entry) {
906 if (strcmp(nam, sym->nam) == 0)
911 if (sym->persist == 1)
916 TAILQ_REMOVE(&symhead, sym, entry);
920 sym = calloc(1, sizeof(*sym));
924 sym->nam = strdup(nam);
925 if (sym->nam == NULL) {
929 sym->val = strdup(val);
930 if (sym->val == NULL) {
936 sym->persist = persist;
937 TAILQ_INSERT_TAIL(&symhead, sym, entry);
942 cmdline_symset(char *s)
947 val = strrchr(s, '=');
951 sym = strndup(s, val - s);
953 fatal("%s: strndup", __func__);
955 ret = symset(sym, val + 1, 1);
962 symget(const char *nam)
966 TAILQ_FOREACH(sym, &symhead, entry) {
967 if (strcmp(nam, sym->nam) == 0) {
976 getservice(const char *n)
982 llval = strtonum(n, 0, UINT16_MAX, &errstr);
984 s = getservbyname(n, "tcp");
986 s = getservbyname(n, "udp");
989 return ntohs(s->s_port);
992 return (unsigned short)llval;
996 host_v4(const char *s)
999 struct sockaddr_in *sain;
1002 memset(&ina, 0, sizeof(ina));
1003 if (inet_pton(AF_INET, s, &ina) != 1)
1006 if ((h = calloc(1, sizeof(*h))) == NULL)
1008 sain = (struct sockaddr_in *)&h->ss;
1009 got_sockaddr_inet_init(sain, &ina);
1010 if (sain->sin_addr.s_addr == INADDR_ANY)
1011 h->prefixlen = 0; /* 0.0.0.0 address */
1013 h->prefixlen = -1; /* host address */
1018 host_v6(const char *s)
1020 struct addrinfo hints, *res;
1021 struct sockaddr_in6 *sa_in6, *ra;
1022 struct address *h = NULL;
1024 memset(&hints, 0, sizeof(hints));
1025 hints.ai_family = AF_INET6;
1026 hints.ai_socktype = SOCK_DGRAM; /* dummy */
1027 hints.ai_flags = AI_NUMERICHOST;
1028 if (getaddrinfo(s, "0", &hints, &res) == 0) {
1029 if ((h = calloc(1, sizeof(*h))) == NULL)
1031 sa_in6 = (struct sockaddr_in6 *)&h->ss;
1032 ra = (struct sockaddr_in6 *)res->ai_addr;
1033 got_sockaddr_inet6_init(sa_in6, &ra->sin6_addr,
1035 if (memcmp(&sa_in6->sin6_addr, &in6addr_any,
1036 sizeof(sa_in6->sin6_addr)) == 0)
1037 h->prefixlen = 0; /* any address */
1039 h->prefixlen = -1; /* host address */
1047 host_dns(const char *s, struct server *new_srv, int max,
1048 in_port_t port, const char *ifname, int ipproto)
1050 struct addrinfo hints, *res0, *res;
1052 struct sockaddr_in *sain;
1053 struct sockaddr_in6 *sin6;
1056 if ((cnt = host_if(s, new_srv, max, port, ifname, ipproto)) != 0)
1059 memset(&hints, 0, sizeof(hints));
1060 hints.ai_family = PF_UNSPEC;
1061 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */
1062 hints.ai_flags = AI_ADDRCONFIG;
1063 error = getaddrinfo(s, NULL, &hints, &res0);
1064 if (error == EAI_AGAIN || error == EAI_NODATA || error == EAI_NONAME)
1067 log_warnx("%s: could not parse \"%s\": %s", __func__, s,
1068 gai_strerror(error));
1072 for (res = res0; res && cnt < max; res = res->ai_next) {
1073 if (res->ai_family != AF_INET &&
1074 res->ai_family != AF_INET6)
1076 if ((h = calloc(1, sizeof(*h))) == NULL)
1081 if (ifname != NULL) {
1082 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1083 sizeof(h->ifname)) {
1084 log_warnx("%s: interface name truncated",
1092 h->ipproto = ipproto;
1093 h->ss.ss_family = res->ai_family;
1094 h->prefixlen = -1; /* host address */
1096 if (res->ai_family == AF_INET) {
1097 struct sockaddr_in *ra;
1098 sain = (struct sockaddr_in *)&h->ss;
1099 ra = (struct sockaddr_in *)res->ai_addr;
1100 got_sockaddr_inet_init(sain, &ra->sin_addr);
1102 struct sockaddr_in6 *ra;
1103 sin6 = (struct sockaddr_in6 *)&h->ss;
1104 ra = (struct sockaddr_in6 *)res->ai_addr;
1105 got_sockaddr_inet6_init(sin6, &ra->sin6_addr, 0);
1108 if (add_addr(new_srv, h))
1112 if (cnt == max && res) {
1113 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1121 host_if(const char *s, struct server *new_srv, int max,
1122 in_port_t port, const char *ifname, int ipproto)
1124 struct ifaddrs *ifap, *p;
1125 struct sockaddr_in *sain;
1126 struct sockaddr_in6 *sin6;
1130 if (getifaddrs(&ifap) == -1)
1131 fatal("getifaddrs");
1133 /* First search for IPv4 addresses */
1137 for (p = ifap; p != NULL && cnt < max; p = p->ifa_next) {
1138 if (p->ifa_addr == NULL ||
1139 p->ifa_addr->sa_family != af ||
1140 (strcmp(s, p->ifa_name) != 0 &&
1141 !is_if_in_group(p->ifa_name, s)))
1143 if ((h = calloc(1, sizeof(*h))) == NULL)
1148 if (ifname != NULL) {
1149 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1150 sizeof(h->ifname)) {
1151 log_warnx("%s: interface name truncated",
1159 h->ipproto = ipproto;
1160 h->ss.ss_family = af;
1161 h->prefixlen = -1; /* host address */
1163 if (af == AF_INET) {
1164 struct sockaddr_in *ra;
1165 sain = (struct sockaddr_in *)&h->ss;
1166 ra = (struct sockaddr_in *)p->ifa_addr;
1167 got_sockaddr_inet_init(sain, &ra->sin_addr);
1169 struct sockaddr_in6 *ra;
1170 sin6 = (struct sockaddr_in6 *)&h->ss;
1171 ra = (struct sockaddr_in6 *)p->ifa_addr;
1172 got_sockaddr_inet6_init(sin6, &ra->sin6_addr,
1176 if (add_addr(new_srv, h))
1180 if (af == AF_INET) {
1181 /* Next search for IPv6 addresses */
1187 log_warnx("%s: %s resolves to more than %d hosts", __func__,
1195 host(const char *s, struct server *new_srv, int max,
1196 in_port_t port, const char *ifname, int ipproto)
1209 if (ifname != NULL) {
1210 if (strlcpy(h->ifname, ifname, sizeof(h->ifname)) >=
1211 sizeof(h->ifname)) {
1212 log_warnx("%s: interface name truncated",
1219 h->ipproto = ipproto;
1221 if (add_addr(new_srv, h))
1226 return (host_dns(s, new_srv, max, port, ifname, ipproto));
1230 is_if_in_group(const char *ifname, const char *groupname)
1233 struct ifgroupreq ifgr;
1234 struct ifg_req *ifg;
1238 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
1241 memset(&ifgr, 0, sizeof(ifgr));
1242 if (strlcpy(ifgr.ifgr_name, ifname, IFNAMSIZ) >= IFNAMSIZ)
1244 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1) {
1245 if (errno == EINVAL || errno == ENOTTY)
1247 err(1, "SIOCGIFGROUP");
1250 len = ifgr.ifgr_len;
1251 ifgr.ifgr_groups = calloc(len / sizeof(struct ifg_req),
1252 sizeof(struct ifg_req));
1253 if (ifgr.ifgr_groups == NULL)
1254 err(1, "getifgroups");
1255 if (ioctl(s, SIOCGIFGROUP, (caddr_t)&ifgr) == -1)
1256 err(1, "SIOCGIFGROUP");
1258 ifg = ifgr.ifgr_groups;
1259 for (; ifg && len >= sizeof(struct ifg_req); ifg++) {
1260 len -= sizeof(struct ifg_req);
1261 if (strcmp(ifg->ifgrq_group, groupname) == 0) {
1266 free(ifgr.ifgr_groups);
1274 get_addrs(const char *addr, struct server *new_srv, in_port_t port)
1276 if (strcmp("", addr) == 0) {
1277 if (host("127.0.0.1", new_srv, 1, port, "127.0.0.1",
1279 yyerror("invalid listen ip: %s",
1283 if (host("::1", new_srv, 1, port, "::1", -1) <= 0) {
1284 yyerror("invalid listen ip: %s", "::1");
1288 if (host(addr, new_srv, GOTWEBD_MAXIFACE, port, addr,
1290 yyerror("invalid listen ip: %s", addr);
1298 addr_dup_check(struct addresslist *al, struct address *h, const char *new_srv,
1299 const char *other_srv)
1303 char buf[INET6_ADDRSTRLEN];
1304 const char *addrstr;
1306 TAILQ_FOREACH(a, al, entry) {
1307 if (memcmp(&a->ss, &h->ss, sizeof(h->ss)) != 0 ||
1311 switch (h->ss.ss_family) {
1313 ia = &((struct sockaddr_in *)(&h->ss))->sin_addr;
1316 ia = &((struct sockaddr_in6 *)(&h->ss))->sin6_addr;
1319 yyerror("unknown address family: %d", h->ss.ss_family);
1322 addrstr = inet_ntop(h->ss.ss_family, ia, buf, sizeof(buf));
1325 yyerror("server %s: duplicate fcgi listen "
1326 "address %s:%d, already used by server %s",
1327 new_srv, addrstr, h->port, other_srv);
1329 log_warnx("server: %s: duplicate fcgi listen "
1330 "address %s:%d", new_srv, addrstr, h->port);
1334 yyerror("server: %s: duplicate fcgi listen "
1335 "address, already used by server %s",
1336 new_srv, other_srv);
1338 log_warnx("server %s: duplicate fcgi listen "
1339 "address", new_srv);
1350 add_addr(struct server *new_srv, struct address *h)
1354 /* Address cannot be shared between different servers. */
1355 TAILQ_FOREACH(srv, &gotwebd->servers, entry) {
1358 if (addr_dup_check(&srv->al, h, new_srv->name, srv->name))
1362 /* Tolerate duplicate address lines within the scope of a server. */
1363 if (addr_dup_check(&new_srv->al, h, NULL, NULL) == 0)
1364 TAILQ_INSERT_TAIL(&new_srv->al, h, entry);