+ /* local variables */
+ char tmp_buf[20];
+ struct linux_wlan_ng_prism_hdr *prism_hdr;
+ struct ieee802_11_hdr *w_hdr;
+ struct ethhdr *e_hdr;
+ struct iphdr *ip_hdr;
+ struct info_struct *my_info_struct;
+ int i,p_o,w_o,e_o,i_o;
+
+ my_info_struct=(struct info_struct *)info;
+ ++(my_info_struct->count);
+
+ /* cache offsets */
+ p_o=((strncmp(my_info_struct->dev,"wlan",4)==0)?sizeof(struct linux_wlan_ng_prism_hdr):0);
+ w_o=((strncmp(my_info_struct->dev,"wlan",4)==0)?sizeof(struct ieee802_11_hdr):0);
+ e_o=sizeof(struct ethhdr);
+ i_o=sizeof(struct iphdr);
+
+ /* new package */
+ printf("\n");
+ printf("---> package %d ---- %s",my_info_struct->count,
+ ctime((const time_t*)&(pcap_header->ts.tv_sec)));
+
+ /* pcap header */
+ printf("pcap header: ");
+ printf("capture_length(dec): %d\t",pcap_header->caplen);
+ printf("off_wire_length(dec): %d\n",pcap_header->len);
+
+ /* wireless stuff */
+ /* prism wlan ng headers */
+ if((my_info_struct->mmode-0x30==1) &&
+ (strncmp(my_info_struct->dev,"wlan",4)==0)) {
+ printf("prism header: (%d bytes)\n",p_o);
+ prism_hdr=(struct linux_wlan_ng_prism_hdr *)package;
+ printf("| message code/length: %d/%d |\t",prism_hdr->msgcode,
+ prism_hdr->msglen);
+ printf("device: %s |\n",prism_hdr->devname);
+ /* ieee802.11 header */
+ printf("ieee802.11 header: (%d bytes)\n",w_o);
+ w_hdr=(struct ieee802_11_hdr *)(package+p_o);
+
+ printf("fc: ");
+ for(i=0;i<16;i++)
+ printf("%s%d%s",(i==0?"|":""),
+ (((w_hdr->frame_ctl) & (1<<i))>0?1:0),
+ (i==15?"|\n":"|"));
+ printf(" | v | t | s-t |t|f|m|r|p|m|w|o|\n");
+ /* frame type */
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_BEACON)>0)
+ strcpy(tmp_buf,"beacon");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_ATIM)>0)
+ strcpy(tmp_buf,"announcement traffic indication message");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_DISASSOC)>0)
+ strcpy(tmp_buf,"disassociation");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_AUTH)>0)
+ strcpy(tmp_buf,"authentification");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_DEAUTH)>0)
+ strcpy(tmp_buf,"deauthentification");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_ASSOC_REQ)>0)
+ strcpy(tmp_buf,"association request");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_ASSOC_RESP)>0)
+ strcpy(tmp_buf,"association response");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_REASSOC_REQ)>0)
+ strcpy(tmp_buf,"reassociation request");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_REASSOC_RESP)>0)
+ strcpy(tmp_buf,"reassociation response");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_PROBE_REQ)>0)
+ strcpy(tmp_buf,"probe request");
+ if((w_hdr->frame_ctl & IEEE802_11_STYPE_PROBE_RESP)>0)
+ strcpy(tmp_buf,"probe response");
+ else strcpy(tmp_buf,"unknown");
+ /* print out frame type */
+ printf("=> %s\n",tmp_buf);
+
+ printf("duration/id: 0x%x\n",w_hdr->duration_id);
+ printf("version check ... %s\n",
+ ((w_hdr->frame_ctl & IEEE802_11_FCTL_VERS)==0x00)?
+ "ok":"unknown");
+ }
+
+ /* ieee802.3 */
+ /* ethernet */
+ if((strncmp(my_info_struct->dev,"eth",3)==0) |
+ ((w_hdr->frame_ctl & IEEE802_11_FTYPE_DATA)>0)) {
+ printf("ethernet: (%d bytes)\n",e_o);
+ e_hdr=(struct ethhdr *)(package+p_o+w_o);
+ /* what types ? */
+ printf("type = ");
+ printf("%x ",ntohs(e_hdr->h_proto));
+ printf("dest_addr = ");
+ for(i=0;i<ETH_ALEN;i++)
+ printf("%x%s",*(e_hdr->h_dest+i),((i==ETH_ALEN-1)?" ":":"));
+ printf(" src_addr = ");
+ for(i=0;i<ETH_ALEN;i++)
+ printf("%x%s",*(e_hdr->h_source+i),((i==ETH_ALEN-1)?"\n":":"));
+
+ /* IP ? */
+ if(ntohs(e_hdr->h_proto)==ETH_P_IP) {
+ printf("ip protocol: (%d bytes)\n",i_o);
+ ip_hdr=(struct iphdr *)(package+p_o+w_o+e_o);
+ printf("version = %x ",ntohs(ip_hdr->version));
+ printf("header_length = %x \n",ntohs(ip_hdr->ihl));
+ printf("service = %x ",ntohs(ip_hdr->tos));
+ printf("total_length(dec.) = %d \n",ntohs(ip_hdr->tot_len));
+ printf("source_ip: ");
+ for(i=3;i>=0;--i) {
+ printf("%d%s",
+ ip_hdr->saddr&0xff<<i,
+ (i==0?"\n":"."));
+ }
+ printf("destination_ip: ");
+ for(i=3;i>=0;--i) {
+ printf("%d%s",
+ ip_hdr->daddr&0xff<<i,
+ (i==0?"\n":"."));
+ }
+ printf("ip_id = %x ",ntohs(ip_hdr->id));
+ printf("ip_offset = %x \n",ntohs(ip_hdr->frag_off));
+ printf("time2live = %x ip_proto = %x\n",ntohs(ip_hdr->ttl),
+ ntohs(ip_hdr->protocol));
+ // printf("chksum: %x\n",ntohs(ip_hdr->ip_sum));