summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorOndrej Zajicek <santiago@crfreenet.org>2015-02-22 20:14:14 +0100
committerOndrej Zajicek <santiago@crfreenet.org>2015-02-22 20:14:14 +0100
commit9c89560e6cdf44a21b2eff8765973ed8665fa07f (patch)
treeef22b54c7c05b5c44776bab239d19bf60a1d9265
parent6cf72d7ad7cbe1eb2f5b63660be6967d29b37044 (diff)
Use IP_PORTRANGE_HIGH for BFD where available
-rw-r--r--lib/socket.h1
-rw-r--r--proto/bfd/packets.c2
-rw-r--r--sysdep/unix/io.c16
3 files changed, 13 insertions, 6 deletions
diff --git a/lib/socket.h b/lib/socket.h
index a5b85aa2..683cdde3 100644
--- a/lib/socket.h
+++ b/lib/socket.h
@@ -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 */
diff --git a/proto/bfd/packets.c b/proto/bfd/packets.c
index 8818453b..b5fd6782 100644
--- a/proto/bfd/packets.c
+++ b/proto/bfd/packets.c
@@ -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;
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 04f0fe50..daf9d054 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -1305,7 +1305,7 @@ sk_passive_connected(sock *s, int type)
log(L_ERR "SOCK: Incoming connection: %s%#m", t->err);
/* FIXME: handle it better in rfree() */
- close(t->fd);
+ close(t->fd);
t->fd = -1;
rfree(t);
return 1;
@@ -1348,7 +1348,7 @@ sk_open(sock *s)
bind_addr = s->saddr;
do_bind = bind_port || ipa_nonzero(bind_addr);
break;
-
+
case SK_UDP:
fd = socket(af, SOCK_DGRAM, IPPROTO_UDP);
bind_port = s->sport;
@@ -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)
@@ -1661,7 +1669,7 @@ sk_rx_ready(sock *s)
redo:
rv = select(s->fd+1, &rd, &wr, NULL, &timo);
-
+
if ((rv < 0) && (errno == EINTR || errno == EAGAIN))
goto redo;
@@ -2026,5 +2034,3 @@ test_old_bird(char *path)
die("I found another BIRD running.");
close(fd);
}
-
-