2005-08-26 17:39:27 +00:00
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--- linux/include/linux/sysctl.h.orig 2002-08-17 19:52:27.000000000 -0500
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+++ linux/include/linux/sysctl.h 2002-08-17 19:53:00.000000000 -0500
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@@ -291,7 +291,8 @@
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NET_IPV4_NONLOCAL_BIND=88,
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NET_IPV4_ICMP_RATELIMIT=89,
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NET_IPV4_ICMP_RATEMASK=90,
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- NET_TCP_TW_REUSE=91
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+ NET_TCP_TW_REUSE=91,
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+ NET_UDP_WIDE_BROADCAST=92
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};
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enum {
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--- linux-modified/net/ipv4/sysctl_net_ipv4.c.orig 2002-08-17 19:48:19.000000000 -0500
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+++ linux-modified/net/ipv4/sysctl_net_ipv4.c 2002-08-17 19:52:03.000000000 -0500
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@@ -45,6 +45,9 @@
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extern int inet_peer_gc_mintime;
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extern int inet_peer_gc_maxtime;
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+/* From udp.c */
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+extern int sysctl_udp_wide_broadcast;
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+
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#ifdef CONFIG_SYSCTL
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static int tcp_retr1_max = 255;
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static int ip_local_port_range_min[] = { 1, 1 };
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@@ -221,6 +224,8 @@
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&sysctl_icmp_ratemask, sizeof(int), 0644, NULL, &proc_dointvec},
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{NET_TCP_TW_REUSE, "tcp_tw_reuse",
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&sysctl_tcp_tw_reuse, sizeof(int), 0644, NULL, &proc_dointvec},
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+ {NET_UDP_WIDE_BROADCAST, "udp_wide_broadcast",
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+ &sysctl_udp_wide_broadcast, sizeof(int), 0644, NULL, &proc_dointvec},
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{0}
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};
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--- linux-modified/net/ipv4/udp.c.orig 2002-08-17 19:40:59.000000000 -0500
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+++ linux-modified/net/ipv4/udp.c 2002-08-17 23:37:47.000000000 -0500
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@@ -94,6 +94,8 @@
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#include <net/inet_common.h>
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#include <net/checksum.h>
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+int sysctl_udp_wide_broadcast = 0;
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+
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/*
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* Snmp MIB for the UDP layer
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*/
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@@ -272,9 +274,10 @@
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if ((s->num != hnum) ||
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(s->daddr && s->daddr!=rmt_addr) ||
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(s->dport != rmt_port && s->dport != 0) ||
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- (s->rcv_saddr && s->rcv_saddr != loc_addr) ||
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- (s->bound_dev_if && s->bound_dev_if != dif))
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+ !(sysctl_udp_wide_broadcast || !(s->rcv_saddr && s->rcv_saddr != loc_addr)) ||
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+ (s->bound_dev_if && s->bound_dev_if != dif)) {
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continue;
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+ }
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break;
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}
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return s;
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