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--- linux/include/linux/sysctl.h.orig 2002-08-17 19:52:27.000000000 -0500
+++ linux/include/linux/sysctl.h 2002-08-17 19:53:00.000000000 -0500
@@ -291,7 +291,8 @@
NET_IPV4_NONLOCAL_BIND=88,
NET_IPV4_ICMP_RATELIMIT=89,
NET_IPV4_ICMP_RATEMASK=90,
- NET_TCP_TW_REUSE=91
+ NET_TCP_TW_REUSE=91,
+ NET_UDP_WIDE_BROADCAST=92
};
enum {
--- linux-modified/net/ipv4/sysctl_net_ipv4.c.orig 2002-08-17 19:48:19.000000000 -0500
+++ linux-modified/net/ipv4/sysctl_net_ipv4.c 2002-08-17 19:52:03.000000000 -0500
@@ -45,6 +45,9 @@
extern int inet_peer_gc_mintime;
extern int inet_peer_gc_maxtime;
+/* From udp.c */
+extern int sysctl_udp_wide_broadcast;
+
#ifdef CONFIG_SYSCTL
static int tcp_retr1_max = 255;
static int ip_local_port_range_min[] = { 1, 1 };
@@ -221,6 +224,8 @@
&sysctl_icmp_ratemask, sizeof(int), 0644, NULL, &proc_dointvec},
{NET_TCP_TW_REUSE, "tcp_tw_reuse",
&sysctl_tcp_tw_reuse, sizeof(int), 0644, NULL, &proc_dointvec},
+ {NET_UDP_WIDE_BROADCAST, "udp_wide_broadcast",
+ &sysctl_udp_wide_broadcast, sizeof(int), 0644, NULL, &proc_dointvec},
{0}
};
--- linux-modified/net/ipv4/udp.c.orig 2002-08-17 19:40:59.000000000 -0500
+++ linux-modified/net/ipv4/udp.c 2002-08-17 23:37:47.000000000 -0500
@@ -94,6 +94,8 @@
#include <net/inet_common.h>
#include <net/checksum.h>
+int sysctl_udp_wide_broadcast = 0;
+
/*
* Snmp MIB for the UDP layer
*/
@@ -272,9 +274,10 @@
if ((s->num != hnum) ||
(s->daddr && s->daddr!=rmt_addr) ||
(s->dport != rmt_port && s->dport != 0) ||
- (s->rcv_saddr && s->rcv_saddr != loc_addr) ||
- (s->bound_dev_if && s->bound_dev_if != dif))
+ !(sysctl_udp_wide_broadcast || !(s->rcv_saddr && s->rcv_saddr != loc_addr)) ||
+ (s->bound_dev_if && s->bound_dev_if != dif)) {
continue;
+ }
break;
}
return s;
|
