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-rw-r--r--plugins-root/check_dhcp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index 2a1875c4..ac892747 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -839,8 +839,7 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){
/* process all DHCP options present in the packet */
for(x=4;x<MAX_DHCP_OPTIONS_LENGTH;){
- /* end of options (0 is really just a pad, but bail out anyway) */
- if((int)offer_packet->options[x]==-1 || (int)offer_packet->options[x]==0)
+ if((int)offer_packet->options[x]==-1)
break;
/* get option type */
@@ -872,7 +871,9 @@ int add_dhcp_offer(struct in_addr source,dhcp_packet *offer_packet){
}
/* skip option data we're ignoring */
- if(option_type!=DHCP_OPTION_REBINDING_TIME)
+ if(option_type==0) /* "pad" option, see RFC 2132 (3.1) */
+ x+=1;
+ else
x+=option_length;
}