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[core] fix implicit wildcard IPv4 and IPv6 listen 

fix implicit wildcard IPv4 and IPv6 listening (regression in 1.4.46)

(broken in commit:5248b46c)

workaround (without this patch): server.set-v6only = "disable"
(which may produce a warning when lighttpd parses config)

x-ref:
  https://redmine.lighttpd.net/boards/2/topics/7720
This commit is contained in:
Glenn Strauss 2017-10-27 22:16:00 -04:00
parent b27f1c0910
commit f394207d5f
1 changed files with 13 additions and 6 deletions
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19
src/network.c
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@ -146,6 +146,7 @@ static int network_server_init(server *srv, buffer *host_token, size_t sidx, int
specific_config *s = srv->config_storage[sidx];
socklen_t addr_len = sizeof(sock_addr);
sock_addr addr;
int set_v6only = 0;
#ifdef __WIN32
int err;
@ -197,6 +198,17 @@ static int network_server_init(server *srv, buffer *host_token, size_t sidx, int
} else if (0 != network_host_parse_addr(srv, &addr, &addr_len, host_token, s->use_ipv6)) {
return -1;
}
#ifdef HAVE_IPV6
if (*host != '\0' && AF_INET6 == addr.plain.sa_family) {
if (s->set_v6only) {
set_v6only = 1;
} else {
log_error_write(srv, __FILE__, __LINE__, "s", "warning: server.set-v6only will be removed soon, update your config to have different sockets for ipv4 and ipv6");
}
}
#endif
network_host_normalize_addr_str(host_token, &addr);
host = host_token->ptr;
@ -286,17 +298,12 @@ static int network_server_init(server *srv, buffer *host_token, size_t sidx, int
}
#ifdef HAVE_IPV6
if (AF_INET6 == srv_socket->addr.plain.sa_family
&& host != NULL) {
if (s->set_v6only) {
if (set_v6only && -1 == stdin_fd) {
int val = 1;
if (-1 == setsockopt(srv_socket->fd, IPPROTO_IPV6, IPV6_V6ONLY, &val, sizeof(val))) {
log_error_write(srv, __FILE__, __LINE__, "ss", "setsockopt(IPV6_V6ONLY) failed:", strerror(errno));
return -1;
}
} else {
log_error_write(srv, __FILE__, __LINE__, "s", "warning: server.set-v6only will be removed soon, update your config to have different sockets for ipv4 and ipv6");
}
}
#endif