summaryrefslogtreecommitdiff
Side-by-side diff
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--noncore/net/wellenreiter/daemon/source/Makefile2
-rw-r--r--noncore/net/wellenreiter/daemon/source/TODO4
-rw-r--r--noncore/net/wellenreiter/daemon/source/cardmode.cc90
-rw-r--r--noncore/net/wellenreiter/daemon/source/cardmode.hh34
-rw-r--r--noncore/net/wellenreiter/daemon/source/config.hh7
-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.cc20
-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.hh3
-rw-r--r--noncore/net/wellenreiter/daemon/source/extract.hh60
-rw-r--r--noncore/net/wellenreiter/daemon/source/ieee802_11.hh250
-rw-r--r--noncore/net/wellenreiter/daemon/source/sniffer.cc308
-rw-r--r--noncore/net/wellenreiter/daemon/source/sniffer.hh64
11 files changed, 14 insertions, 828 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/Makefile b/noncore/net/wellenreiter/daemon/source/Makefile
index f3f41f0..f6efa3d 100644
--- a/noncore/net/wellenreiter/daemon/source/Makefile
+++ b/noncore/net/wellenreiter/daemon/source/Makefile
@@ -6,7 +6,7 @@ OPTIMFLAGS = -g
WARNFLAGS = -Wall -pedantic -DDEBUG
LDFLAGS =
LIBS = -lpcap ../../libwellenreiter/source/libwellenreiter.a
-OBJ = daemon.o cardmode.o sniffer.o
+OBJ = daemon.o
.SUFFIXES:
.PHONY: all wellenreiterd clean distclean realclean
diff --git a/noncore/net/wellenreiter/daemon/source/TODO b/noncore/net/wellenreiter/daemon/source/TODO
deleted file mode 100644
index 2d72ab7..0000000
--- a/noncore/net/wellenreiter/daemon/source/TODO
+++ b/dev/null
@@ -1,4 +0,0 @@
-implement communication protocol
-security analysis
-security analysis
-code cleanup \ No newline at end of file
diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.cc b/noncore/net/wellenreiter/daemon/source/cardmode.cc
deleted file mode 100644
index 8069edc..0000000
--- a/noncore/net/wellenreiter/daemon/source/cardmode.cc
+++ b/dev/null
@@ -1,90 +0,0 @@
-/* $Id$ */
-
-#include "config.hh"
-#include "cardmode.hh"
-
-int card_into_monitormode (char *device, int cardtype)
-{
-
- int datalink; /* used for getting the pcap datalink type */
- char CiscoRFMON[35] = "/proc/driver/aironet/";
- FILE *CISCO_CONFIG_FILE;
- char errbuf[PCAP_ERRBUF_SIZE];
- pcap_t *handle;
-
- /* Checks if we have a device to sniff on */
- if(device == NULL)
- {
- printf ("Fatal error i did not have any interfaces to sniff on\n");
- return 0;
- }
-
- /* Setting the prmiscous and up flag to the interface */
- if (card_set_promisc_up (device) == 0)
- {
- printf ("Interface flags correctly set using ifconfig\n");
- }
-
- /* Check the cardtype and executes the commands to go into monitor mode */
- if (cardtype == CARD_TYPE_CISCO) /* I got a cisco card */
- {
- /* bring the sniffer into rfmon mode */
- snprintf(CiscoRFMON, sizeof(CiscoRFMON),DEFAULT_PATH, device);
- CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w");
- fputs ("Mode: r",CISCO_CONFIG_FILE);
- fputs ("Mode: y",CISCO_CONFIG_FILE);
- fputs ("XmitPower: 1",CISCO_CONFIG_FILE);
- fclose(CISCO_CONFIG_FILE);
- }
- else if (cardtype == CARD_TYPE_NG)
- {
- char wlanngcmd[62];
- snprintf(wlanngcmd, sizeof(wlanngcmd),"%s %s lnxreq_wlansniff channel=1 enable=true",WLANCTL_PATH,device);
- if (system (wlanngcmd) != 0)
- {
- printf ("\n Fatal error could not set %s in raw mode, check cardtype\n\n\tterminating now...\n\n",device);
- exit(1);
- }
- }
- else if (cardtype == CARD_TYPE_HOSTAP)
- {
- printf ("Got a host-ap card, nothing is implemented now\n");
- }
-
-
- /* Check the interface if it is in the correct raw mode */
- handle = pcap_open_live(device, BUFSIZ, 1, 0, errbuf);
-
- /* getting the datalink type */
- datalink = pcap_datalink(handle);
-
- if (datalink == DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
- {
- printf ("Your successfully listen on %s in 802.11 raw mode\n",device);
- pcap_close(handle);
- return 0;
-
- }
- else
- {
- printf ("Fatal error, cannot continue, your interface %s does not work in the correct 802.11 raw mode, check you driver please\n\tterminating now",device);
- pcap_close(handle);
- exit(1);
- }
-}
-
-
-
-int card_set_promisc_up (char * device)
-{
- int ret;
- char ifconfigcmd[32];
- snprintf(ifconfigcmd,sizeof(ifconfigcmd),SBIN_PATH, device);
- ret = system (ifconfigcmd);
- if (ret > 0)
- {
- printf ("\nFatal error, could not execute %s please check your card,binary location and permission\n",ifconfigcmd);
- return 0;
- }
- return 1;
-}
diff --git a/noncore/net/wellenreiter/daemon/source/cardmode.hh b/noncore/net/wellenreiter/daemon/source/cardmode.hh
deleted file mode 100644
index ecc97b1..0000000
--- a/noncore/net/wellenreiter/daemon/source/cardmode.hh
+++ b/dev/null
@@ -1,34 +0,0 @@
-/* $Id$ */
-
-#ifndef CARDMODE_HH
-#define CARDMODE_HH
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <pcap.h>
-#include <errno.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <net/bpf.h>
-
-/* Defines, used for the card setup */
-#define DEFAULT_PATH "/proc/driver/aironet/%s/Config"
-#define CARD_TYPE_CISCO 1
-#define CARD_TYPE_NG 2
-#define CARD_TYPE_HOSTAP 3
-
-/* only for now, until we have the daemon running */
-/*the config file should provide these information */
-#define SNIFFER_DEVICE "wlan0"
-#define CARD_TYPE CARD_TYPE_CISCO
-#define SBIN_PATH "/sbin/ifconfig %s promisc up"
-#define WLANCTL_PATH "/sbin/wlanctl-ng"
-
-/* Prototypes */
-
-int card_into_monitormode (char * device, int cardtype);
-int card_set_promisc_up (char * device);
-
-#endif /* CARDMODE_HH */
diff --git a/noncore/net/wellenreiter/daemon/source/config.hh b/noncore/net/wellenreiter/daemon/source/config.hh
index b54ff46..42c56da 100644
--- a/noncore/net/wellenreiter/daemon/source/config.hh
+++ b/noncore/net/wellenreiter/daemon/source/config.hh
@@ -20,4 +20,11 @@
#define GUIADDR "127.0.0.1" /* Adress of GUI, later specified in configfile */
#define GUIPORT 37773 /* Port of GUI, " " */
+
+/* Temporary cardmode stuff, will hopefully removed soon */
+#define CARD_TYPE_CISCO 1
+#define CARD_TYPE_NG 2
+#define CARD_TYPE_HOSTAP 3
+#define SNIFFER_DEVICE "wlan0"
+
#endif /* CONFIG_HH */
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc
index a2e1f96..75b2222 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.cc
+++ b/noncore/net/wellenreiter/daemon/source/daemon.cc
@@ -6,37 +6,25 @@
#include "config.hh"
#include "daemon.hh"
-#include "cardmode.hh"
-#include "sniffer.hh"
/* Main function of wellenreiterd */
int main(int argc, char **argv)
{
int sock, maxfd, retval;
char buffer[128];
- pcap_t *handletopcap; /* The handle to the libpcap */
- char errbuf[PCAP_ERRBUF_SIZE]; /* The errorbuffer of libpacap */
- struct pcap_pkthdr header; /* The packet header from pcap*/
- const u_char *packet; /* The actual packet content*/
+ pcap_t *handletopcap;
fd_set rset;
fprintf(stderr, "wellenreiterd %s\n\n", VERSION);
-#if 0
/* will be replaced soon, just for max because max is lazy :-) */
- if(card_into_monitormode (SNIFFER_DEVICE, CARD_TYPE_NG) < 0)
+ if(!card_into_monitormode(handletopcap, SNIFFER_DEVICE, CARD_TYPE_NG))
{
- fprintf(stderr, "Cannot set card into mon mode, aborting\n");
+ wl_logerr("Cannot set card into mon mode, aborting");
exit(-1);
}
-#endif
-
- /* opening the pcap for sniffing */
- handletopcap = pcap_open_live(SNIFFER_DEVICE, BUFSIZ, 1, 1000, errbuf);
-#ifdef HAVE_PCAP_NONBLOCK
- pcap_setnonblock(handletopcap, 1, errstr);
-#endif
+ wl_loginfo("Set card into monitor mode");
/* Setup socket for incoming commands */
if((sock=commsock(DAEMONADDR, DAEMONPORT)) < 0)
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.hh b/noncore/net/wellenreiter/daemon/source/daemon.hh
index 12ba57e..09acf11 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.hh
+++ b/noncore/net/wellenreiter/daemon/source/daemon.hh
@@ -16,6 +16,7 @@
#include "../../libwellenreiter/source/sock.hh"
#include "../../libwellenreiter/source/log.hh"
#include "../../libwellenreiter/source/proto.hh"
-
+#include "../../libwellenreiter/source/cardmode.hh"
+#include "../../libwellenreiter/source/sniff.hh"
#endif /* DAEMON_HH */
diff --git a/noncore/net/wellenreiter/daemon/source/extract.hh b/noncore/net/wellenreiter/daemon/source/extract.hh
deleted file mode 100644
index e900cfa..0000000
--- a/noncore/net/wellenreiter/daemon/source/extract.hh
+++ b/dev/null
@@ -1,60 +0,0 @@
-/* $Id$ */
-/*
- * Copyright (c) 1992, 1993, 1994, 1995, 1996
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University nor the names of its contributors may be used to endorse
- * or promote products derived from this software without specific prior
- * written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-/* Network to host order macros */
-
-#ifndef EXTRACT_HH
-#define EXTRACT_HH
-
-#ifdef LBL_ALIGN
-#define EXTRACT_16BITS(p) \
- ((u_int16_t)((u_int16_t)*((const u_int8_t *)(p) + 0) << 8 | \
- (u_int16_t)*((const u_int8_t *)(p) + 1)))
-#define EXTRACT_32BITS(p) \
- ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 0) << 24 | \
- (u_int32_t)*((const u_int8_t *)(p) + 1) << 16 | \
- (u_int32_t)*((const u_int8_t *)(p) + 2) << 8 | \
- (u_int32_t)*((const u_int8_t *)(p) + 3)))
-#else
-#define EXTRACT_16BITS(p) \
- ((u_int16_t)ntohs(*(const u_int16_t *)(p)))
-#define EXTRACT_32BITS(p) \
- ((u_int32_t)ntohl(*(const u_int32_t *)(p)))
-#endif
-
-#define EXTRACT_24BITS(p) \
- ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 0) << 16 | \
- (u_int32_t)*((const u_int8_t *)(p) + 1) << 8 | \
- (u_int32_t)*((const u_int8_t *)(p) + 2)))
-
-/* Little endian protocol host order macros */
-
-#define EXTRACT_LE_8BITS(p) (*(p))
-#define EXTRACT_LE_16BITS(p) \
- ((u_int16_t)((u_int16_t)*((const u_int8_t *)(p) + 1) << 8 | \
- (u_int16_t)*((const u_int8_t *)(p) + 0)))
-#define EXTRACT_LE_32BITS(p) \
- ((u_int32_t)((u_int32_t)*((const u_int8_t *)(p) + 3) << 24 | \
- (u_int32_t)*((const u_int8_t *)(p) + 2) << 16 | \
- (u_int32_t)*((const u_int8_t *)(p) + 1) << 8 | \
- (u_int32_t)*((const u_int8_t *)(p) + 0)))
-
-#endif /* EXTRACT_HH */
diff --git a/noncore/net/wellenreiter/daemon/source/ieee802_11.hh b/noncore/net/wellenreiter/daemon/source/ieee802_11.hh
deleted file mode 100644
index 3cc5343..0000000
--- a/noncore/net/wellenreiter/daemon/source/ieee802_11.hh
+++ b/dev/null
@@ -1,250 +0,0 @@
-/* $Id$ */
-/*
- * Copyright (c) 2001
- * Fortress Technologies
- * Charlie Lenahan ( clenahan@fortresstech.com )
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University nor the names of its contributors may be used to endorse
- * or promote products derived from this software without specific prior
- * written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef IEEE802_11_HH
-#define IEEE802_11_HH
-
-#define IEEE802_11_FC_LEN 2
-
-#define T_MGMT 0x0 /* management */
-#define T_CTRL 0x1 /* control */
-#define T_DATA 0x2 /* data */
-#define T_RESV 0x3 /* reserved */
-
-#define ST_ASSOC_REQUEST 0x0
-#define ST_ASSOC_RESPONSE 0x1
-#define ST_REASSOC_REQUEST 0x2
-#define ST_REASSOC_RESPONSE 0x3
-#define ST_PROBE_REQUEST 0x4
-#define ST_PROBE_RESPONSE 0x5
-/* RESERVED 0x6 */
-/* RESERVED 0x7 */
-#define ST_BEACON 0x8
-#define ST_ATIM 0x9
-#define ST_DISASSOC 0xA
-#define ST_AUTH 0xB
-#define ST_DEAUTH 0xC
-/* RESERVED 0xD */
-/* RESERVED 0xE */
-/* RESERVED 0xF */
-
-
-#define CTRL_PS_POLL 0xA
-#define CTRL_RTS 0xB
-#define CTRL_CTS 0xC
-#define CTRL_ACK 0xD
-#define CTRL_CF_END 0xE
-#define CTRL_END_ACK 0xF
-
-/*
- * Bits in the frame control field.
- */
-#define FC_VERSION(fc) ((fc) & 0x3)
-#define FC_TYPE(fc) (((fc) >> 2) & 0x3)
-#define FC_SUBTYPE(fc) (((fc) >> 4) & 0xF)
-#define FC_TO_DS(fc) ((fc) & 0x0100)
-#define FC_FROM_DS(fc) ((fc) & 0x0200)
-#define FC_MORE_FLAG(fc) ((fc) & 0x0400)
-#define FC_RETRY(fc) ((fc) & 0x0800)
-#define FC_POWER_MGMT(fc) ((fc) & 0x1000)
-#define FC_MORE_DATA(fc) ((fc) & 0x2000)
-#define FC_WEP(fc) ((fc) & 0x4000)
-#define FC_ORDER(fc) ((fc) & 0x8000)
-
-struct mgmt_header_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t da[6];
- u_int8_t sa[6];
- u_int8_t bssid[6];
- u_int16_t seq_ctrl;
-};
-
-#define MGMT_HEADER_LEN (2+2+6+6+6+2)
-
-#define CAPABILITY_ESS(cap) ((cap) & 0x0001)
-#define CAPABILITY_IBSS(cap) ((cap) & 0x0002)
-#define CAPABILITY_CFP(cap) ((cap) & 0x0004)
-#define CAPABILITY_CFP_REQ(cap) ((cap) & 0x0008)
-#define CAPABILITY_PRIVACY(cap) ((cap) & 0x0010)
-
-struct ssid_t {
- u_int8_t element_id;
- u_int8_t length;
- u_char ssid[33]; /* 32 + 1 for null */
-} ;
-
-struct rates_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int8_t rate[8];
-};
-
-struct challenge_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int8_t text[254]; /* 1-253 + 1 for null */
-};
-struct fh_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int16_t dwell_time;
- u_int8_t hop_set;
- u_int8_t hop_pattern;
- u_int8_t hop_index;
-};
-
-struct ds_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int8_t channel;
-};
-
-struct cf_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int8_t count;
- u_int8_t period;
- u_int16_t max_duration;
- u_int16_t dur_remaing;
-};
-
-struct tim_t {
- u_int8_t element_id;
- u_int8_t length;
- u_int8_t count;
- u_int8_t period;
- u_int8_t bitmap_control;
- u_int8_t bitmap[251];
-};
-
-#define E_SSID 0
-#define E_RATES 1
-#define E_FH 2
-#define E_DS 3
-#define E_CF 4
-#define E_TIM 5
-#define E_IBSS 6
-#define E_CISCO 133
-/* reserved 7 */
-/* reserved 8 */
-/* reserved 9 */
-/* reserved 10 */
-/* reserved 11 */
-/* reserved 12 */
-/* reserved 13 */
-/* reserved 14 */
-/* reserved 15 */
-/* reserved 16 */
-
-#define E_CHALLENGE 16
-/* reserved 17 */
-/* reserved 18 */
-/* reserved 19 */
-/* reserved 16 */
-/* reserved 16 */
-
-
-struct mgmt_body_t {
- u_int8_t timestamp[8];
- u_int16_t beacon_interval;
- u_int16_t listen_interval;
- u_int16_t status_code;
- u_int16_t aid;
- u_char ap[6];
- u_int16_t reason_code;
- u_int16_t auth_alg;
- u_int16_t auth_trans_seq_num;
- struct challenge_t challenge;
- u_int16_t capability_info;
- struct ssid_t ssid;
- struct rates_t rates;
- struct ds_t ds;
- struct cf_t cf;
- struct fh_t fh;
- struct tim_t tim;
-};
-
-struct ctrl_rts_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t ra[6];
- u_int8_t ta[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_RTS_LEN (2+2+6+6+4)
-
-struct ctrl_cts_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t ra[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_CTS_LEN (2+2+6+4)
-
-struct ctrl_ack_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t ra[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_ACK_LEN (2+2+6+4)
-
-struct ctrl_ps_poll_t {
- u_int16_t fc;
- u_int16_t aid;
- u_int8_t bssid[6];
- u_int8_t ta[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_PS_POLL_LEN (2+2+6+6+4)
-
-struct ctrl_end_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t ra[6];
- u_int8_t bssid[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_END_LEN (2+2+6+6+4)
-
-struct ctrl_end_ack_t {
- u_int16_t fc;
- u_int16_t duration;
- u_int8_t ra[6];
- u_int8_t bssid[6];
- u_int8_t fcs[4];
-};
-
-#define CTRL_END_ACK_LEN (2+2+6+6+4)
-
-#define IV_IV(iv) ((iv) & 0xFFFFFF)
-#define IV_PAD(iv) (((iv) >> 24) & 0x3F)
-#define IV_KEYID(iv) (((iv) >> 30) & 0x03)
-
-#endif /* IEEE802_11_HH */
diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.cc b/noncore/net/wellenreiter/daemon/source/sniffer.cc
deleted file mode 100644
index 66d5b6f..0000000
--- a/noncore/net/wellenreiter/daemon/source/sniffer.cc
+++ b/dev/null
@@ -1,308 +0,0 @@
-/*
- * rfmon mode sniffer
- * This works only with cisco wireless cards with an rfmon
- * able driver and not with wifi stuff.
- *
- * $Id$
- */
-
-#include "config.hh"
-#include "cardmode.hh"
-#include "sniffer.hh"
-#include "ieee802_11.hh"
-#include "extract.hh"
-
-void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet)
-{
- u_int caplen = pkthdr->caplen;
- u_int length = pkthdr->len;
- u_int16_t fc;
- u_int HEADER_LENGTH;
-
- /* pinfo holds all interresting information for us */
- struct packetinfo pinfo;
- struct packetinfo *pinfoptr;
- pinfoptr=&pinfo;
-
- pinfoptr->isvalid = 0;
- pinfoptr->pktlen = pkthdr->len;
-
- if (caplen < IEEE802_11_FC_LEN)
- {
- /* This is a garbage packet, because is does not long enough
- to hold a 802.11b header */
- pinfoptr->isvalid = 0;
- return;
- }
-
- /* Gets the framecontrol bits (2bytes long) */
- fc = EXTRACT_LE_16BITS(packet);
-
- HEADER_LENGTH = GetHeaderLength(fc);
-
- if (caplen < HEADER_LENGTH)
- {
- /* This is a garbage packet, because it is not long enough
- to hold a correct header of its type */
- pinfoptr->isvalid = 0;
- return;
- }
-
- /* Decode 802.11b header out of the packet */
- if (decode_80211b_hdr(packet,pinfoptr) == 0)
- {
- /* Justification of the ofset to further process the packet */
- length -= HEADER_LENGTH;
- caplen -= HEADER_LENGTH;
- packet += HEADER_LENGTH;
- }
- else
- { /* Something is wrong,could not be a correct packet */
- return;
- }
-
- switch (FC_TYPE(fc))
- {
- /* Is it a managemnet frame? */
- case T_MGMT:
- switch (FC_SUBTYPE(fc))
- { /* Is it a beacon frame? */
- case ST_BEACON:
- if (handle_beacon(fc, packet,pinfoptr) ==0)
- {
- if (!strcmp(pinfoptr->desthwaddr,"ff:ff:ff:ff:ff:ff") == 0)
- {
- /* Every beacon must have the broadcast as destination
- so it must be a shitti packet */
- pinfoptr->isvalid = 0;
- return;
- }
-
- if (pinfoptr->cap_ESS == pinfoptr->cap_IBSS)
- {
- /* Only one of both are possible, so must be
- a noise packet, if this comes up */
- pinfoptr->isvalid = 0;
- return;
- }
- if (pinfoptr->channel < 1 || pinfoptr->channel > 14)
- {
- /* Only channels between 1 and 14 are possible
- others must be noise packets */
- pinfoptr->isvalid = 0;
- return;
- }
-
- /* Here should be the infos to the gui issued */
- if (pinfoptr->cap_ESS == 1 &&pinfoptr->cap_IBSS ==0)
- {
- printf ("\nHave found an accesspoint:");
- }
- else if(pinfoptr->cap_ESS == 0 && pinfoptr->cap_IBSS == 1)
- {
- printf ("\nHave found an AD-HOC station:");
-
- }
- if (strcmp (pinfoptr->ssid,NONBROADCASTING) ==0)
- {
- printf ("\n\tOn a non-broadcasting network");
- }
- else
- {
- printf ("\n\tOn network : %s",pinfoptr->ssid);
- }
- printf ("\n\tLen SSID : %d",pinfoptr->ssid_len);
- printf ("\n\tOn Channel : %d",pinfoptr->channel);
- printf ("\n\tEncryption : %s", pinfoptr->cap_WEP ? "ON" : "OFF");
- printf ("\n\tMacaddress : %s",pinfoptr->sndhwaddr);
- printf ("\n\tBssid : %s",pinfoptr->bssid);
- printf ("\n\tDest : %s\n",pinfoptr->desthwaddr);
- }
- break;
- default:
- printf("Unknown IEEE802.11 frame subtype (%d)",FC_SUBTYPE(fc));
- break;
- } /* End of switch over different mgt frame types */
-
- break;
- case T_CTRL:
- // decode_control_frames(fc, packet);
- printf ("Its a control frame");
- break;
- case T_DATA:
- // decode_data_frames(fc, packet);
- printf ("Its a date frame");
- break;
- default:
- printf("Unknown IEEE802.11 frame type (%d)",FC_TYPE(fc));
- break;
- }
-}
-
-
-/* This decodes the 802.11b frame header out of the 802.11b packet
- all the infos is placed into the packetinfo structure */
-int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo)
-{
- const struct mgmt_header_t *mgthdr = (const struct mgmt_header_t *) p;
- ppinfo->fcsubtype = FC_SUBTYPE(mgthdr->fc);
-
- /* Get the sender, bssid and dest mac address */
- etheraddr_string(mgthdr->bssid,ppinfo->bssid);
- etheraddr_string(mgthdr->da,ppinfo->desthwaddr);
- etheraddr_string(mgthdr->sa,ppinfo->sndhwaddr);
- ppinfo->fc_wep = FC_WEP(mgthdr->fc);
- return 0;
-}
-
-
-void etheraddr_string(register const u_char *ep,char * text)
-{
- static char hex[] = "0123456789abcdef";
- register u_int i, j;
- register char *cp;
- char buf[sizeof("00:00:00:00:00:00")];
- cp = buf;
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
- *cp++ = hex[*ep++ & 0xf];
- for (i = 5; (int)--i >= 0;) {
- *cp++ = ':';
- if ((j = *ep >> 4) != 0)
- *cp++ = hex[j];
- *cp++ = hex[*ep++ & 0xf];
- }
- *cp = '\0';
- strcpy(text,buf);
-}
-
-int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo)
-{
- struct mgmt_body_t pbody;
- int offset = 0;
-
- /* Get the static informations out of the packet */
- memset(&pbody, 0, sizeof(pbody));
- memcpy(&pbody.timestamp, p, 8);
- offset += 8;
- pbody.beacon_interval = EXTRACT_LE_16BITS(p+offset);
- offset += 2;
- pbody.capability_info = EXTRACT_LE_16BITS(p+offset);
- offset += 2;
-
- /* Gets the different flags out of the capabilities */
- ppinfo->cap_ESS = CAPABILITY_ESS(pbody.capability_info);
- ppinfo->cap_IBSS = CAPABILITY_IBSS(pbody.capability_info);
- ppinfo->cap_WEP = CAPABILITY_PRIVACY(pbody.capability_info);
-
- /* Gets the tagged elements out of the packets */
- while (offset + 1 < ppinfo->pktlen)
- {
- switch (*(p + offset))
- {
- case E_SSID:
- memcpy(&(pbody.ssid),p+offset,2); offset += 2;
- if (pbody.ssid.length > 0)
- {
- memcpy(&(pbody.ssid.ssid),p+offset,pbody.ssid.length); offset += pbody.ssid.length;
- pbody.ssid.ssid[pbody.ssid.length]='\0';
- if (strcmp((char *)pbody.ssid.ssid,"")==0)
- {
- ppinfo->ssid = NONBROADCASTING;
- }
- else
- {
- ppinfo->ssid = (char *)pbody.ssid.ssid;
- }
- ppinfo->ssid_len = pbody.ssid.length;
- }
- break;
-
- case E_CHALLENGE:
- memcpy(&(pbody.challenge),p+offset,2); offset += 2;
- if (pbody.challenge.length > 0)
- {
- memcpy(&(pbody.challenge.text),p+offset,pbody.challenge.length); offset += pbody.challenge.length;
- pbody.challenge.text[pbody.challenge.length]='\0';
- }
- break;
- case E_RATES:
- memcpy(&(pbody.rates),p+offset,2); offset += 2;
- if (pbody.rates.length > 0) {
- memcpy(&(pbody.rates.rate),p+offset,pbody.rates.length); offset += pbody.rates.length;
- }
- break;
- case E_DS:
- memcpy(&(pbody.ds),p+offset,3); offset +=3;
- ppinfo->channel = pbody.ds.channel;
- break;
- case E_CF:
- memcpy(&(pbody.cf),p+offset,8); offset +=8;
- break;
- case E_TIM:
- memcpy(&(pbody.tim),p+offset,2); offset +=2;
- memcpy(&(pbody.tim.count),p+offset,3); offset +=3;
- if ((pbody.tim.length -3) > 0)
- {
- memcpy((pbody.tim.bitmap),p+(pbody.tim.length -3),(pbody.tim.length -3));
- offset += pbody.tim.length -3;
- }
- break;
- default:
-
- offset+= *(p+offset+1) + 2;
- break;
- } /* end of switch*/
- } /* end of for loop */
- return 0;
-
-} /* End of handle_beacon */
-
-
-int GetHeaderLength(u_int16_t fc)
-{
- int iLength=0;
-
- switch (FC_TYPE(fc)) {
- case T_MGMT:
- iLength = MGMT_HEADER_LEN;
- break;
- case T_CTRL:
- switch (FC_SUBTYPE(fc)) {
- case CTRL_PS_POLL:
- iLength = CTRL_PS_POLL_LEN;
- break;
- case CTRL_RTS:
- iLength = CTRL_RTS_LEN;
- break;
- case CTRL_CTS:
- iLength = CTRL_CTS_LEN;
- break;
- case CTRL_ACK:
- iLength = CTRL_ACK_LEN;
- break;
- case CTRL_CF_END:
- iLength = CTRL_END_LEN;
- break;
- case CTRL_END_ACK:
- iLength = CTRL_END_ACK_LEN;
- break;
- default:
- iLength = 0;
- break;
- }
- break;
- case T_DATA:
- if (FC_TO_DS(fc) && FC_FROM_DS(fc))
- iLength = 30;
- else
- iLength = 24;
- break;
- default:
- printf("unknown IEEE802.11 frame type (%d)",
- FC_TYPE(fc));
- break;
- }
-
- return iLength;
-}
diff --git a/noncore/net/wellenreiter/daemon/source/sniffer.hh b/noncore/net/wellenreiter/daemon/source/sniffer.hh
deleted file mode 100644
index 7e1e3be..0000000
--- a/noncore/net/wellenreiter/daemon/source/sniffer.hh
+++ b/dev/null
@@ -1,64 +0,0 @@
-/* $Id$ */
-
-#ifndef SNIFFER_HH
-#define SNIFFER_HH
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <pcap.h>
-#include <errno.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <net/bpf.h>
-
-#define NONBROADCASTING "non-broadcasting"
-
-/* holds all the interresting data */
-struct packetinfo
-{
- int isvalid;
- int pktlen;
- int fctype;
- int fcsubtype;
- int fc_wep;
- int cap_WEP;
- int cap_IBSS;
- int cap_ESS;
- int channel;
- char bssid[sizeof("00:00:00:00:00:00")];
- char desthwaddr[sizeof("00:00:00:00:00:00")];
- char sndhwaddr[sizeof("00:00:00:00:00:00")];
- char *ssid;
- int ssid_len;
-};
-
-void process_packets(u_char *useless,const struct pcap_pkthdr* pkthdr,const u_char* packet);
-int decode_80211b_hdr(const u_char *p,struct packetinfo *ppinfo);
-void etheraddr_string(register const u_char *ep,char * text);
-int handle_beacon(u_int16_t fc, const u_char *p,struct packetinfo *ppinfo);
-
-int GetHeaderLength(u_int16_t fc);
-
-/*
- * True if "l" bytes of "var" were captured.
- *
- * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
- * that "snapend - (l)" underflows.
- *
- * The check is for <= rather than < because "l" might be 0.
- */
-#define TTEST2(var, l) (snapend - (l) <= snapend && \
- (const u_char *)&(var) <= snapend - (l))
-
-/* True if "var" was captured */
-#define TTEST(var) TTEST2(var, sizeof(var))
-
-/* Bail if "l" bytes of "var" were not captured */
-#define TCHECK2(var, l) if (!TTEST2(var, l)) goto trunc
-
-/* Bail if "var" was not captured */
-#define TCHECK(var) TCHECK2(var, sizeof(var))
-
-#endif /* SNIFFER_HH */