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Use IP_PORTRANGE_HIGH for BFD where available

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This commit is contained in:
Ondrej Zajicek 2015-02-22 20:14:14 +01:00
parent 6cf72d7ad7
commit 9c89560e6c
3 changed files with 13 additions and 6 deletions
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1
lib/socket.h
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@ -103,6 +103,7 @@ extern int sk_priority_control; /* Suggested priority for control traffic, shou
#define SKF_LADDR_RX 0x04 /* Report local address for RX packets */
#define SKF_TTL_RX 0x08 /* Report TTL / Hop Limit for RX packets */
#define SKF_BIND 0x10 /* Bind datagram socket to given source address */
#define SKF_HIGH_PORT 0x20 /* Choose port from high range if possible */
#define SKF_THREAD 0x100 /* Socked used in thread, Do not add to main loop */
#define SKF_TRUNCATED 0x200 /* Received packet was truncated, set by IO layer */

2
proto/bfd/packets.c
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@ -231,7 +231,7 @@ bfd_open_tx_sk(struct bfd_proto *p, ip_addr local, struct iface *ifa)
sk->tos = IP_PREC_INTERNET_CONTROL;
sk->priority = sk_priority_control;
sk->ttl = ifa ? 255 : -1;
sk->flags = SKF_THREAD | SKF_BIND;
sk->flags = SKF_THREAD | SKF_BIND | SKF_HIGH_PORT;
#ifdef IPV6
sk->flags |= SKF_V6ONLY;

10
sysdep/unix/io.c
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@ -1399,6 +1399,14 @@ sk_open(sock *s)
}
#endif
}
#ifdef IP_PORTRANGE
else if (s->flags & SKF_HIGH_PORT)
{
int range = IP_PORTRANGE_HIGH;
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);
if (bind(fd, &sa.sa, SA_LEN(sa)) < 0)
@ -2026,5 +2034,3 @@ test_old_bird(char *path)
die("I found another BIRD running.");
close(fd);
}