From 95e482eef2af91c6bb150d4e92cb73503d6b8fb9 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Mon, 30 Sep 2002 00:59:35 +0000
Subject: [PATCH] introduced prism wlan ng header members
---
hdw-sniff.c | 24 ++++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/hdw-sniff.c b/hdw-sniff.c
index 0afd857..ab67722 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -85,9 +85,10 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
const u_char *package) {
/* local variables */
- struct ethhdr *e_hdr;
- struct ip *ip_hdr;
+ struct linux_wlan_ng_prism_hdr *prism_hdr;
struct ieee802_11_hdr *w_hdr;
+ struct ip *ip_hdr;
+ struct ethhdr *e_hdr;
struct info_struct *my_info_struct;
int i;
@@ -98,23 +99,34 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
printf("---> package %d ---- %s",my_info_struct->count,
ctime((const time_t*)&(pcap_header->ts.tv_sec)));
printf("pcap header:\n");
- printf("capture_length: %d (dec.)",pcap_header->caplen);
+ printf("capture_length: %d (dec.)\t",pcap_header->caplen);
printf("length(off wire): %d (dec.)\n",pcap_header->len);
- /* is ieee802.11 ? -- we assume yes :) */
+ /* prism wlan ng headers */
if((my_info_struct->mmode-0x30==1) &&
(strncmp(my_info_struct->dev,"wlan",4)==0)) {
+ printf("prism header:\n");
+ 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);
+
+ /* ieee802.11 header */
printf("ieee802.11 header:\n");
+ package+=sizeof(struct linux_wlan_ng_prism_hdr);
w_hdr=(struct ieee802_11_hdr *)package;
printf("debug:\n");
for(i=0;i<16;i++) {
printf("%x -> ",1<<i);
- printf("%x\n",(w_hdr->frame_ctl & 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("version check ... %s\n",
+ ((ntohs(w_hdr->frame_ctl) & IEEE802_11_FCTL_VERS)==0x00)?
+ "ok":"unknown");
+ // printf("type:
/* skip ieee802.11 header */
package=package+sizeof(struct ieee802_11_hdr);
}
--
2.39.5