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3b727ca |
--- dhcp-3.0.5/server/bootp.c.unicast 2005-05-18 15:54:17.000000000 -0400
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3b727ca |
+++ dhcp-3.0.5/server/bootp.c 2007-03-30 16:16:00.000000000 -0400
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3b727ca |
@@ -62,6 +62,7 @@
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3b727ca |
char msgbuf [1024];
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3b727ca |
int ignorep;
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3b727ca |
int peer_has_leases = 0;
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3b727ca |
+ int norelay = 0;
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3b727ca |
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3b727ca |
if (packet -> raw -> op != BOOTREQUEST)
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3b727ca |
return;
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3b727ca |
@@ -77,7 +78,7 @@
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3b727ca |
? inet_ntoa (packet -> raw -> giaddr)
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3b727ca |
: packet -> interface -> name);
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3b727ca |
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3b727ca |
- if (!locate_network (packet)) {
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3b727ca |
+ if ((norelay = locate_network (packet)) == 0) {
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3b727ca |
log_info ("%s: network unknown", msgbuf);
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3b727ca |
return;
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3b727ca |
}
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3b727ca |
@@ -357,6 +358,13 @@
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3b727ca |
from, &to, &hto);
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3b727ca |
goto out;
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3b727ca |
}
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3b727ca |
+ } else if (norelay == 2) {
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3b727ca |
+ to.sin_addr = raw.ciaddr;
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3b727ca |
+ to.sin_port = remote_port;
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3b727ca |
+ if (fallback_interface) {
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3b727ca |
+ result = send_packet (fallback_interface, (struct packet *)0, &raw, outgoing.packet_length, from, &to, &hto);
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3b727ca |
+ goto out;
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3b727ca |
+ }
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3b727ca |
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3b727ca |
/* If it comes from a client that already knows its address
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3b727ca |
and is not requesting a broadcast response, and we can
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3b727ca |
--- dhcp-3.0.5/server/dhcp.c.unicast 2007-03-30 16:13:36.000000000 -0400
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3b727ca |
+++ dhcp-3.0.5/server/dhcp.c 2007-03-30 16:19:35.000000000 -0400
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3b727ca |
@@ -3817,6 +3817,7 @@
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3b727ca |
struct data_string data;
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3b727ca |
struct subnet *subnet = (struct subnet *)0;
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3b727ca |
struct option_cache *oc;
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3b727ca |
+ int norelay = 0;
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3b727ca |
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3b727ca |
/* See if there's a subnet selection option. */
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3b727ca |
oc = lookup_option (&dhcp_universe, packet -> options,
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3b727ca |
@@ -3826,12 +3827,24 @@
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3b727ca |
from the interface, if there is one. If not, fail. */
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3b727ca |
if (!oc && !packet -> raw -> giaddr.s_addr) {
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3b727ca |
if (packet -> interface -> shared_network) {
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3b727ca |
- shared_network_reference
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3b727ca |
- (&packet -> shared_network,
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3b727ca |
- packet -> interface -> shared_network, MDL);
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3b727ca |
- return 1;
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3b727ca |
+ struct in_addr any_addr;
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3b727ca |
+ any_addr.s_addr = INADDR_ANY;
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3b727ca |
+
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3b727ca |
+ if (!packet -> packet_type && memcmp(&packet -> raw -> ciaddr, &any_addr, 4)) {
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3b727ca |
+ struct iaddr cip;
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3b727ca |
+ memcpy(cip.iabuf, &packet -> raw -> ciaddr, 4);
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3b727ca |
+ cip.len = 4;
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3b727ca |
+ if (!find_grouped_subnet(&subnet, packet->interface->shared_network, cip, MDL))
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3b727ca |
+ norelay = 2;
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3b727ca |
+ }
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3b727ca |
+
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3b727ca |
+ if (!norelay) {
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3b727ca |
+ shared_network_reference(&packet -> shared_network, packet -> interface -> shared_network, MDL);
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3b727ca |
+ return 1;
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3b727ca |
+ }
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3b727ca |
+ } else {
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3b727ca |
+ return 0;
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3b727ca |
}
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3b727ca |
- return 0;
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3b727ca |
}
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3b727ca |
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3b727ca |
/* If there's an SSO, and it's valid, use it to figure out the
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3b727ca |
@@ -3853,7 +3866,10 @@
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3b727ca |
data_string_forget (&data, MDL);
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3b727ca |
} else {
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3b727ca |
ia.len = 4;
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3b727ca |
- memcpy (ia.iabuf, &packet -> raw -> giaddr, 4);
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3b727ca |
+ if (norelay)
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3b727ca |
+ memcpy (ia.iabuf, &packet->raw->ciaddr, 4);
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3b727ca |
+ else
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3b727ca |
+ memcpy (ia.iabuf, &packet->raw->giaddr, 4);
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3b727ca |
}
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3b727ca |
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3b727ca |
/* If we know the subnet on which the IP address lives, use it. */
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3b727ca |
@@ -3861,7 +3877,10 @@
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3b727ca |
shared_network_reference (&packet -> shared_network,
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3b727ca |
subnet -> shared_network, MDL);
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3b727ca |
subnet_dereference (&subnet, MDL);
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3b727ca |
- return 1;
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3b727ca |
+ if (norelay)
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3b727ca |
+ return norelay;
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3b727ca |
+ else
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3b727ca |
+ return 1;
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3b727ca |
}
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3b727ca |
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3b727ca |
/* Otherwise, fail. */
|