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Never create sockets for an address family without matching binds

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This commit is contained in:
Matthias Schiffer 2015-01-17 17:06:51 +01:00
parent 3b63a7218f
commit 9f1a5ab561
1 changed files with 10 additions and 3 deletions
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13
src/socket.c
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@ -242,12 +242,19 @@ fastd_socket_t * fastd_socket_open(fastd_peer_t *peer, int af) {
const fastd_bind_address_t *bind_address; const fastd_bind_address_t *bind_address;
if (af == AF_INET && conf.bind_addr_default_v4) if (af == AF_INET && conf.bind_addr_default_v4) {
bind_address = conf.bind_addr_default_v4; bind_address = conf.bind_addr_default_v4;
else if (af == AF_INET6 && conf.bind_addr_default_v6) }
else if (af == AF_INET6 && conf.bind_addr_default_v6) {
bind_address = conf.bind_addr_default_v6; bind_address = conf.bind_addr_default_v6;
else }
else if (!conf.bind_addr_default_v4 && !conf.bind_addr_default_v6) {
bind_address = &any_address; bind_address = &any_address;
}
else {
pr_debug("not opening an %s socket for peer %P (no bind address with matching address family)", (af == AF_INET6) ? "IPv6" : "IPv4", peer);
return NULL;
}
int fd = bind_socket(bind_address, true); int fd = bind_socket(bind_address, true);
if (fd < 0) if (fd < 0)