From 9042c664acc02475b9dbb9109d1a9ddb5d9180c0 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Thu, 28 Nov 2002 22:45:46 +0000
Subject: [PATCH] introduced beacon header
---
hdw-sniff.c | 23 ++++++++++++++---------
hdw-sniff.h | 10 ++++++++++
wep.c | 6 ++++++
3 files changed, 30 insertions(+), 9 deletions(-)
diff --git a/hdw-sniff.c b/hdw-sniff.c
index 0259730..08f6998 100644
--- a/hdw-sniff.c
+++ b/hdw-sniff.c
@@ -128,6 +128,7 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
struct linux_wlan_ng_prism_hdr *prism_hdr;
struct ieee802_11_hdr *w_hdr;
struct snaphdr *snap_hdr;
+ struct beacon_struct *beacon_hdr;
struct ethhdr *e_hdr;
struct iphdr *ip_hdr;
struct info_struct *my_info_struct;
@@ -162,6 +163,12 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
prism_hdr->msglen);
printf("device: %s |\n",prism_hdr->devname);
/* ieee802.11 header */
+
+ /* we need smaller w_hdr for non distributed frames */
+ if((w_hdr->frame_ctl & (1<<8)) & (w_hdr->frame_ctl & (1<<9))) {
+ printf("=> distributed packet !!!!11\n");
+ } else w_o-=(sizeof(struct snaphdr)-sizeof(unsigned short));
+
printf("ieee802.11 header: (%d bytes)\n",w_o);
w_hdr=(struct ieee802_11_hdr *)(package+p_o);
@@ -186,8 +193,12 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
strcpy(tmp_buf,"probe request");
else if((w_hdr->frame_ctl & IEEE802_11_STYPE_PROBE_RESP)>0)
strcpy(tmp_buf,"probe response");
- else if((w_hdr->frame_ctl & IEEE802_11_STYPE_BEACON)>0)
- strcpy(tmp_buf,"beacon");
+ else if((w_hdr->frame_ctl & IEEE802_11_STYPE_BEACON)==IEEE802_11_STYPE_BEACON) {
+ // beacon_hdr=(struct beacon_struct *)(package+p_o+w_o);
+ // printf("ssid: ");
+ // for(i=0;i<(((beacon_hdr->ssid)&0x2)>>
+ // strcpy(tmp_buf,"beacon");
+ }
else if((w_hdr->frame_ctl & IEEE802_11_STYPE_ATIM)>0)
strcpy(tmp_buf,"announcement traffic indication message");
else if((w_hdr->frame_ctl & IEEE802_11_STYPE_DISASSOC)>0)
@@ -208,12 +219,6 @@ void pcap_process(u_char *info,const struct pcap_pkthdr *pcap_header,
"ok":"unknown");
}
- /* ieee802.3 */
- /* we need smaller w_hdr for non distributed frames */
- if((w_hdr->frame_ctl & (1<<8)) & (w_hdr->frame_ctl & (1<<9))) {
- printf("=> distributed packet !!!!11\n");
- } else w_o-=(sizeof(struct snaphdr)-sizeof(unsigned short));
-
/* ethernet */
if((strncmp(my_info_struct->dev,"eth",3)==0) |
((w_hdr->frame_ctl & IEEE802_11_FTYPE_DATA)>0)) {
@@ -311,7 +316,7 @@ int hop_channel(struct info_struct *info,int foo_fd) {
struct iwreq my_iwreq;
- if (info->channel>=14) info->channel=1;
+ if (info->channel>=C_MAX) info->channel=1;
memset(&my_iwreq,0,sizeof(my_iwreq));
strcpy(my_iwreq.ifr_name,info->dev);
diff --git a/hdw-sniff.h b/hdw-sniff.h
index 6dc06b9..76eee82 100644
--- a/hdw-sniff.h
+++ b/hdw-sniff.h
@@ -1,5 +1,7 @@
#include <linux/wireless.h>
+#define C_MAX 14
+
/* the pcap_process callback function */
void pcap_process(u_char *count,const struct pcap_pkthdr *pcap_header,
const u_char *package);
@@ -21,3 +23,11 @@ struct info_struct {
/* hop_chanel function */
int hop_channel(struct info_struct *info,int foo_fd);
+/* beacon header */
+struct beacon_struct {
+ long int timestamp; /* time stamp */
+ unsigned short interval; /* beacon interval field */
+ unsigned short capability; /* capability field */
+ unsigned char ssid; /* ssid field */
+} __attribute__ ((packed));
+
diff --git a/wep.c b/wep.c
index e2f6799..886ac37 100644
--- a/wep.c
+++ b/wep.c
@@ -1,3 +1,9 @@
+/*
+ *
+ * wep.c - bruteforce wep key
+ *
+ */
+
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
--
2.39.5