1 changed files with 7 additions and 4 deletions
+ 7
- 4
dhcp_protect.c
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| @@ -296,11 +296,14 @@ void dp_dhcpv6_check(dp_conf *conf, unsigned char *pkt, int pktlen, int offset, | |||
| offset += 2; // msg-type, hop-count | |||
| } | |||
| while(offset+1<pktlen) { | |||
| uint8_t code = (uint8_t)pkt[offset]; | |||
| uint8_t len = (uint8_t)pkt[offset+1]; | |||
| while(offset+4<=pktlen) { | |||
| uint16_t code = ntohs((uint16_t)pkt[offset]); | |||
| uint16_t len = ntohs((uint16_t)pkt[offset+2]); | |||
| offset+=2; | |||
| offset+=4; | |||
| if ( code == 9 ) // relay message | |||
| continue; | |||
| if ( code == 1 ) { // Client identifier / DUID | |||
| // make sure there's enough space | |||
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