1 changed files with 3 additions and 7 deletions
+ 3
- 7
dhcp_protect.c
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| unsigned char *pkt; | unsigned char *pkt; | ||||
| int pktlen; | int pktlen; | ||||
| int offset = 0; | int offset = 0; | ||||
| unsigned char *remoteid; | |||||
| unsigned char *remoteid = NULL; | |||||
| int remoteidlen = 0; | int remoteidlen = 0; | ||||
| int found = 0; | int found = 0; | ||||
| uint8_t ipver = 0; | uint8_t ipver = 0; | ||||
| offset++; | offset++; | ||||
| // printf("type : %i\n",type); | |||||
| // padding of 1 octet | // padding of 1 octet | ||||
| if ( type == 0 ) { | if ( type == 0 ) { | ||||
| continue; | continue; | ||||
| len = pkt[offset]; | len = pkt[offset]; | ||||
| offset++; | offset++; | ||||
| // printf("len : %i\n", len); | |||||
| // can the value be read | // can the value be read | ||||
| if ( offset+len>=pktlen ) | |||||
| if ( offset+len>pktlen ) | |||||
| break; | break; | ||||
| // option 82 parser | // option 82 parser | ||||
| static int dp_callback(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, struct nfq_data *nfa, void *data) { | static int dp_callback(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, struct nfq_data *nfa, void *data) { | ||||
| struct nfqnl_msg_packet_hdr *ph = nfq_get_msg_packet_hdr(nfa); | struct nfqnl_msg_packet_hdr *ph = nfq_get_msg_packet_hdr(nfa); | ||||
| dp_conf *conf = (dp_conf*)data; | dp_conf *conf = (dp_conf*)data; | ||||
| int id; | |||||
| int id = -1; | |||||
| int verdict; | int verdict; | ||||
| if ( ph ) { | if ( ph ) { |
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