diff options
Diffstat (limited to 'udp.c')
| -rw-r--r-- | udp.c | 30 |
1 files changed, 14 insertions, 16 deletions
@@ -983,7 +983,7 @@ int udp_sock_init(const struct ctx *c, int ns, sa_family_t af, const void *addr, const char *ifname, in_port_t port) { union udp_epoll_ref uref = { .u32 = 0 }; - int s, ret = 0; + int s, r4 = SOCKET_MAX + 1, r6 = SOCKET_MAX + 1; if (ns) { uref.udp.port = (in_port_t)(port + @@ -999,8 +999,8 @@ int udp_sock_init(const struct ctx *c, int ns, sa_family_t af, uref.udp.orig = true; if (!ns) { - s = sock_l4(c, AF_INET, IPPROTO_UDP, addr, ifname, - port, uref.u32); + r4 = s = sock_l4(c, AF_INET, IPPROTO_UDP, addr, + ifname, port, uref.u32); udp_tap_map[V4][uref.udp.port].sock = s < 0 ? -1 : s; udp_splice_init[V4][port].sock = s < 0 ? -1 : s; @@ -1008,13 +1008,10 @@ int udp_sock_init(const struct ctx *c, int ns, sa_family_t af, struct in_addr loopback = { htonl(INADDR_LOOPBACK) }; uref.udp.ns = true; - s = sock_l4(c, AF_INET, IPPROTO_UDP, &loopback, - ifname, port, uref.u32); + r4 = s = sock_l4(c, AF_INET, IPPROTO_UDP, &loopback, + ifname, port, uref.u32); udp_splice_ns[V4][port].sock = s < 0 ? -1 : s; } - - if (s < 0) - ret = s; } if ((af == AF_INET6 || af == AF_UNSPEC) && c->ifi6) { @@ -1023,24 +1020,25 @@ int udp_sock_init(const struct ctx *c, int ns, sa_family_t af, uref.udp.orig = true; if (!ns) { - s = sock_l4(c, AF_INET6, IPPROTO_UDP, addr, ifname, - port, uref.u32); + r6 = s = sock_l4(c, AF_INET6, IPPROTO_UDP, addr, + ifname, port, uref.u32); udp_tap_map[V6][uref.udp.port].sock = s < 0 ? -1 : s; udp_splice_init[V6][port].sock = s < 0 ? -1 : s; } else { uref.udp.ns = true; - s = sock_l4(c, AF_INET6, IPPROTO_UDP, &in6addr_loopback, - ifname, port, uref.u32); + r6 = s = sock_l4(c, AF_INET6, IPPROTO_UDP, + &in6addr_loopback, + ifname, port, uref.u32); udp_splice_ns[V6][port].sock = s < 0 ? -1 : s; } - - if (s < 0) - ret = s; } - return ret; + if (IN_INTERVAL(0, SOCKET_MAX, r4) || IN_INTERVAL(0, SOCKET_MAX, r6)) + return 0; + + return r4 < 0 ? r4 : r6; } /** |