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Fixes port range socket option

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This commit is contained in:
Ondrej Zajicek 2015-04-19 00:19:56 +02:00
parent ef3cac669c
commit b867a87c2f
1 changed files with 30 additions and 8 deletions
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38
sysdep/unix/io.c
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@ -767,6 +767,32 @@ sk_set_tos6(sock *s, int tos)
return 0; return 0;
} }
static inline int
sk_set_high_port(sock *s)
{
/* Port range setting is optional, ignore it if not supported */
#ifdef IP_PORTRANGE
if (sk_is_ipv4(s))
{
int range = IP_PORTRANGE_HIGH;
if (setsockopt(s->fd, SOL_IP, IP_PORTRANGE, &range, sizeof(range)) < 0)
ERR("IP_PORTRANGE");
}
#endif
#ifdef IPV6_PORTRANGE
if (sk_is_ipv6(s))
{
int range = IPV6_PORTRANGE_HIGH;
if (setsockopt(s->fd, SOL_IPV6, IPV6_PORTRANGE, &range, sizeof(range)) < 0)
ERR("IPV6_PORTRANGE");
}
#endif
return 0;
}
static inline byte * static inline byte *
sk_skip_ip_header(byte *pkt, int *len) sk_skip_ip_header(byte *pkt, int *len)
{ {
@ -1402,14 +1428,10 @@ sk_open(sock *s)
} }
#endif #endif
} }
#ifdef IP_PORTRANGE else
else if (s->flags & SKF_HIGH_PORT) if (s->flags & SKF_HIGH_PORT)
{ if (sk_set_high_port(s) < 0)
int range = IP_PORTRANGE_HIGH; log(L_WARN "Socket error: %s%#m", s->err);
if (setsockopt(fd, IPPROTO_IP, IP_PORTRANGE, &range, sizeof(range)) < 0)
log(L_WARN "Socket error: %s%#m", "IP_PORTRANGE");
}
#endif
sockaddr_fill(&sa, af, bind_addr, s->iface, bind_port); sockaddr_fill(&sa, af, bind_addr, s->iface, bind_port);
if (bind(fd, &sa.sa, SA_LEN(sa)) < 0) if (bind(fd, &sa.sa, SA_LEN(sa)) < 0)