From: hackbard <hackbard>
Date: Wed, 18 Sep 2002 20:26:57 +0000 (+0000)
Subject: improved ieee802.11 sniffs
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11b73fc8a9d2b138de848cbd7362ff3315d47c0f;p=my-code%2Fhdw-sniff.git

improved ieee802.11 sniffs
---

diff --git a/hdw-sniff.c b/hdw-sniff.c
index d3b2ca8..13c56ab 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -97,17 +97,21 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
 	printf("\n");
 	printf("---> package %d ---- %s",my_info_struct->count,
 			ctime((const time_t*)&(pcap_header->ts.tv_sec)));
-	printf("pcap header: ");
-	printf("capture length=%d ",pcap_header->caplen);
-	printf("length(off wire)=%d\n",pcap_header->len);
+	printf("pcap header:\n");
+	printf("capture_length: %d (dec.)",pcap_header->caplen);
+	printf("length(off wire): %d (dec.)\n",pcap_header->len);
 	
 	/* is ieee802.11 ? -- we assume yes :) */
 	if((my_info_struct->mmode-0x30==1) && 
 		(strncmp(my_info_struct->dev,"wlan",4)==0)) {
-	printf("debug: ieee802.11\n");
+	printf("ieee802.11 header:\n");
+	w_hdr=(struct ieee802_11_hdr *)package;
+	printf("frame_control: %x duration_id: %x\n",ntohs(w_hdr->frame_ctl),
+						ntohs(w_hdr->duration_id));
+	/* skip ieee802.11 header */
+	package=package+sizeof(struct ieee802_11_hdr);
 	}
 
-
 	/* ieee802.3 */
 	/* ethernet */
 	e_hdr=(struct ethhdr *)package;