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3161ff3 |
diff -up dhcp-4.1.0/server/bootp.c.unicast dhcp-4.1.0/server/bootp.c
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3161ff3 |
--- dhcp-4.1.0/server/bootp.c.unicast 2008-08-20 13:07:19.000000000 -1000
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3161ff3 |
+++ dhcp-4.1.0/server/bootp.c 2009-01-06 10:13:29.000000000 -1000
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4f14cb7 |
@@ -58,6 +58,7 @@ void bootp (packet)
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9858513 |
char msgbuf [1024];
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9858513 |
int ignorep;
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9858513 |
int peer_has_leases = 0;
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9858513 |
+ int norelay = 0;
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9858513 |
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9858513 |
if (packet -> raw -> op != BOOTREQUEST)
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9858513 |
return;
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4f14cb7 |
@@ -73,7 +74,7 @@ void bootp (packet)
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9858513 |
? inet_ntoa (packet -> raw -> giaddr)
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9858513 |
: packet -> interface -> name);
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9858513 |
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9858513 |
- if (!locate_network (packet)) {
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9858513 |
+ if ((norelay = locate_network (packet)) == 0) {
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9858513 |
log_info ("%s: network unknown", msgbuf);
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9858513 |
return;
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9858513 |
}
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3161ff3 |
@@ -390,6 +391,13 @@ void bootp (packet)
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9858513 |
from, &to, &hto);
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9858513 |
goto out;
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9858513 |
}
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9858513 |
+ } else if (norelay == 2) {
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9858513 |
+ to.sin_addr = raw.ciaddr;
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9858513 |
+ to.sin_port = remote_port;
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9858513 |
+ if (fallback_interface) {
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9858513 |
+ result = send_packet (fallback_interface, (struct packet *)0, &raw, outgoing.packet_length, from, &to, &hto);
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9858513 |
+ goto out;
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9858513 |
+ }
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9858513 |
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9858513 |
/* If it comes from a client that already knows its address
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9858513 |
and is not requesting a broadcast response, and we can
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3161ff3 |
diff -up dhcp-4.1.0/server/dhcp.c.unicast dhcp-4.1.0/server/dhcp.c
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3161ff3 |
--- dhcp-4.1.0/server/dhcp.c.unicast 2008-11-03 08:13:58.000000000 -1000
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3161ff3 |
+++ dhcp-4.1.0/server/dhcp.c 2009-01-06 10:13:29.000000000 -1000
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3161ff3 |
@@ -4111,6 +4111,7 @@ int locate_network (packet)
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9858513 |
struct data_string data;
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9858513 |
struct subnet *subnet = (struct subnet *)0;
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9858513 |
struct option_cache *oc;
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9858513 |
+ int norelay = 0;
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9858513 |
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4f14cb7 |
/* See if there's a Relay Agent Link Selection Option, or a
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4f14cb7 |
* Subnet Selection Option. The Link-Select and Subnet-Select
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3161ff3 |
@@ -4126,12 +4127,24 @@ int locate_network (packet)
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9858513 |
from the interface, if there is one. If not, fail. */
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9858513 |
if (!oc && !packet -> raw -> giaddr.s_addr) {
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9858513 |
if (packet -> interface -> shared_network) {
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9858513 |
- shared_network_reference
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9858513 |
- (&packet -> shared_network,
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9858513 |
- packet -> interface -> shared_network, MDL);
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9858513 |
- return 1;
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9858513 |
+ struct in_addr any_addr;
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9858513 |
+ any_addr.s_addr = INADDR_ANY;
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9858513 |
+
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9858513 |
+ if (!packet -> packet_type && memcmp(&packet -> raw -> ciaddr, &any_addr, 4)) {
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9858513 |
+ struct iaddr cip;
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9858513 |
+ memcpy(cip.iabuf, &packet -> raw -> ciaddr, 4);
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9858513 |
+ cip.len = 4;
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|
9858513 |
+ if (!find_grouped_subnet(&subnet, packet->interface->shared_network, cip, MDL))
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|
|
9858513 |
+ norelay = 2;
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|
|
9858513 |
+ }
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|
9858513 |
+
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9858513 |
+ if (!norelay) {
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|
9858513 |
+ shared_network_reference(&packet -> shared_network, packet -> interface -> shared_network, MDL);
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|
9858513 |
+ return 1;
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|
9858513 |
+ }
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|
9858513 |
+ } else {
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|
9858513 |
+ return 0;
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|
9858513 |
}
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|
9858513 |
- return 0;
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|
9858513 |
}
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|
9858513 |
|
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|
4f14cb7 |
/* If there's an option indicating link connection, and it's valid,
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|
3161ff3 |
@@ -4154,7 +4167,10 @@ int locate_network (packet)
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|
9858513 |
data_string_forget (&data, MDL);
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|
9858513 |
} else {
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|
9858513 |
ia.len = 4;
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|
9858513 |
- memcpy (ia.iabuf, &packet -> raw -> giaddr, 4);
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|
9858513 |
+ if (norelay)
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|
9858513 |
+ memcpy (ia.iabuf, &packet->raw->ciaddr, 4);
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|
9858513 |
+ else
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|
9858513 |
+ memcpy (ia.iabuf, &packet->raw->giaddr, 4);
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|
|
9858513 |
}
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|
9858513 |
|
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|
9858513 |
/* If we know the subnet on which the IP address lives, use it. */
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|
3161ff3 |
@@ -4162,7 +4178,10 @@ int locate_network (packet)
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|
|
9858513 |
shared_network_reference (&packet -> shared_network,
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|
9858513 |
subnet -> shared_network, MDL);
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|
9858513 |
subnet_dereference (&subnet, MDL);
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|
9858513 |
- return 1;
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|
9858513 |
+ if (norelay)
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|
9858513 |
+ return norelay;
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|
9858513 |
+ else
|
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|
9858513 |
+ return 1;
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|
9858513 |
}
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|
9858513 |
|
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|
9858513 |
/* Otherwise, fail. */
|