X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=hdw-sniff.c;h=3aa657b608972ef18066c128753e16bdea28b41e;hb=7a55b727f19281d64c03359e79ff900d5e154d81;hp=46892b564ca26d95dbd24cd13f6e0101822ebda3;hpb=a694777e91e8f0c54a9236a281653b191132e3dc;p=my-code%2Fhdw-sniff.git

diff --git a/hdw-sniff.c b/hdw-sniff.c
index 46892b5..3aa657b 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -120,6 +120,7 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
 			const u_char *package) {
 	
 	/* local variables */
+	char tmp_buf[20];
 	struct linux_wlan_ng_prism_hdr *prism_hdr;
 	struct ieee802_11_hdr *w_hdr;
 	struct ethhdr *e_hdr;
@@ -142,39 +143,42 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
 	printf("pcap header:\n");
 	printf("capture_length: %d (dec.)\t",pcap_header->caplen);
 	printf("length(off wire): %d (dec.)\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\n",ntohs(prism_hdr->msgcode),
-						ntohs(prism_hdr->msglen));
-	printf("device: %s\n",prism_hdr->devname);
-	/* skip wlan_ng_prism header */
-	// package=package+p_o;
-
+	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("debug:\n");
-	for(i=0;i<16;i++) {
-		printf("%x -> ",1<<i);
-		printf("%x\n",(ntohs(w_hdr->frame_ctl) & (1<<i)));
-	}
-	printf("frame_control: %x duration_id: %x\n",ntohs(w_hdr->frame_ctl),
-						ntohs(w_hdr->duration_id));
+	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");
+	printf("debug: %d\n",(w_hdr->frame_ctl)<<15);
+	if((w_hdr->frame_ctl & IEEE802_11_STYPE_BEACON)>0) strcpy(tmp_buf,"beacon");
+	else strcpy(tmp_buf,"unknown");
+
+	printf("=> %s\n",tmp_buf);
+	
+	printf("duration/id: %x\n",w_hdr->duration_id);
 	printf("version check ... %s\n",
-	((ntohs(w_hdr->frame_ctl) & IEEE802_11_FCTL_VERS)==0x00)?
+	((w_hdr->frame_ctl & IEEE802_11_FCTL_VERS)==0x00)?
 							"ok":"unknown");
-	// printf("type: 
-	/* skip ieee802.11 header */
-	// package=package+w_o;
 	}
 
 	/* 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 ? */
@@ -207,19 +211,23 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
 			ip_hdr->daddr&0xff<<i,
 			(i==0?"\n":"."));
 		}
-		// printf("ip_addresses: source = ");
-		// printf("%s\tdestination = %s\n",inet_ntoa(ip_hdr->saddr),
-		//				inet_ntoa(ip_hdr->daddr));
 		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));
 	}
-	printf("all ethernet dump:\n");
-	for(i=p_o+w_o+e_o;i<pcap_header->caplen;i++)
+	}
+
+	/* check what we have ... */
+	printf("all dump: (hex)\n");
+	for(i=p_o+w_o;i<pcap_header->caplen;i++)
 		printf("%x ",*(package+i));
 	printf("\n");
+	printf("all dump: (char)\n");
+	for(i=p_o+w_o;i<pcap_header->caplen;i++)
+		printf("%c ",*(package+i));
+	printf("\n");
 }
 
 int hop_channel(struct info_struct *info,int foo_fd) {