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authorPaul Fox2005-07-20 19:13:21 +0000
committerPaul Fox2005-07-20 19:13:21 +0000
commit01f67987e0aa4a4890a02d1a7445d878d3436d26 (patch)
tree2eb26a8ed5f14f660570365961da509efe6d0ee4
parent379ac89c30b96ec335bc0c16b8ecdd14a1b807ac (diff)
downloadbusybox-01f67987e0aa4a4890a02d1a7445d878d3436d26.zip
busybox-01f67987e0aa4a4890a02d1a7445d878d3436d26.tar.gz
applying fix for:
0000260: udhcpc doesn't validate client hardware address
-rw-r--r--networking/udhcp/dhcpc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index d99711c..7d50a72 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -443,6 +443,11 @@ int main(int argc, char *argv[])
if (memcmp(client_config.arp,packet.chaddr,6))
continue;
+ if (memcmp(packet.chaddr, client_config.arp, 6)) {
+ DEBUG(LOG_INFO, "packet does not have our chaddr -- ignoring");
+ continue;
+ }
+
if ((message = get_option(&packet, DHCP_MESSAGE_TYPE)) == NULL) {
DEBUG(LOG_ERR, "couldnt get option from packet -- ignoring");
continue;