udhcp: shorten mac len from 16 to 6 in lease file

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index eed9d9a01..41bb0b09c 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -149,7 +149,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
         int max_fd;
         int retval;
         struct timeval tv;
-        struct dhcpMessage packet;
+        struct dhcp_packet packet;
         fd_set rfds;
 
 #if ENABLE_GETOPT_LONG
@@ -498,7 +498,9 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
                         }
 
                         /* Ignore packets that aren't for us */
-                        if (memcmp(packet.chaddr, client_config.client_mac, 6)) {
+                        if (packet.hlen != 6
+                         || memcmp(packet.chaddr, client_config.client_mac, 6)
+                        ) {
 //FIXME: need to also check that last 10 bytes are zero
                                 log1("chaddr does not match, ignoring packet"); // log2?
                                 continue;