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-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.cc26
-rw-r--r--noncore/net/wellenreiter/daemon/source/daemon.hh1
-rw-r--r--noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc9
3 files changed, 25 insertions, 11 deletions
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.cc b/noncore/net/wellenreiter/daemon/source/daemon.cc
index d6e8f6b..b57e6a0 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.cc
+++ b/noncore/net/wellenreiter/daemon/source/daemon.cc
@@ -1,157 +1,165 @@
/*
* Startup functions of wellenreiter
*
* $Id$
*/
#include "config.hh"
#include "daemon.hh"
// temporary solution, will be removed soon
#define MAXCHANNEL 13
+int card_type;
char sniffer_device[6];
int channel=0;
int timedout=1;
-static int chanswitch()
+void chanswitch(int blah)
{
if(channel >= MAXCHANNEL)
- channel=1
+ {
+ channel=1;
+ }
+ else
+ {
+ channel++;
+ }
card_set_channel(sniffer_device, channel, card_type);
timedout=0;
+ alarm(1);
}
/* Main function of wellenreiterd */
int main(int argc, char **argv)
{
- int sock, maxfd, retval, card_type;
+ int sock, maxfd, retval;
char buffer[WL_SOCKBUF];
struct pcap_pkthdr header;
struct sockaddr_in saddr;
pcap_t *handletopcap;
const unsigned char *packet;
fd_set rset;
fprintf(stderr, "wellenreiterd %s\n\n", VERSION);
fprintf(stderr, "(c) 2002 by M-M-M\n\n");
if(argc < 3)
usage();
// removed soon, see above
- SIGNAL(SIGALRM, chanswitch);
-
+ signal(SIGALRM, chanswitch);
+ alarm(1);
/* Set sniffer device */
memset(sniffer_device, 0, sizeof(sniffer_device));
strncpy(sniffer_device, (char *)argv[1], sizeof(sniffer_device) - 1);
/* Set card type */
card_type = atoi(argv[2]);
- if(card_type < 1 || card_type > 3)
+ if(card_type < 1 || card_type > 4)
usage();
if(!card_into_monitormode(&handletopcap, sniffer_device, card_type))
{
wl_logerr("Cannot initialize the wireless-card, aborting");
exit(-1);
}
wl_loginfo("Set card into monitor mode");
/////// following line will be moved to lib as soon as possible ////////////
if((handletopcap = pcap_open_live(sniffer_device, BUFSIZ, 1, 0, NULL)) == NULL)
{
wl_logerr("pcap_open_live() failed: %s", strerror(errno));
exit(-1);
}
#ifdef HAVE_PCAP_NONBLOCK
pcap_setnonblock(handletopcap, 1, NULL);
#endif
////////////////////////////////////////
/* Setup socket for incoming commands */
if((sock=wl_setupsock(DAEMONADDR, DAEMONPORT, saddr)) < 0)
{
wl_logerr("Cannot setup socket");
exit(-1);
}
wl_loginfo("Set up socket '%d' for GUI communication", sock);
FD_ZERO(&rset);
/* Start main loop */
wl_loginfo("Starting main loop");
while(1)
{
FD_SET(sock, &rset);
FD_SET(pcap_fileno(handletopcap), &rset);
// blah
timedout=1;
- alarm(1);
/* socket or pcap handle bigger? Will be cleaned up, have to check pcap */
maxfd = (sock > pcap_fileno(handletopcap) ? sock : pcap_fileno(handletopcap)) + 1;
if(select(maxfd, &rset, NULL, NULL, NULL) < 0 && timedout)
{
wl_logerr("Error calling select: %s", strerror(errno));
break;
}
/* Got data on local socket from GUI */
if(FD_ISSET(sock, &rset))
{
/* Receive data from socket */
if((retval=wl_recv(&sock, saddr, buffer, sizeof(buffer))) < 0 && timedout)
{
wl_logerr("Error trying to read: %s", strerror(errno));
break;
}
else
{
/* check type of packet and start function according to it */
switch(retval)
{
case 98:
wl_loginfo("Received STARTSNIFF command");
break;
case 99:
wl_loginfo("Received STOPSNIFF command");
break;
default:
wl_logerr("Received unknown command: %d", retval);
break;
}
}
} /* FD_ISSET */
/* Check pcap lib for packets */
if(FD_ISSET(pcap_fileno(handletopcap), &rset))
{
/* Grab one single packet */
packet = pcap_next(handletopcap, &header);
/* process the packet */
process_packets(&header,*&packet, GUIADDR, GUIPORT);
}
} /* while(1) */
close(sock);
exit(0);
}
void usage(void)
{
fprintf(stderr, "Usage: wellenreiter <device> <cardtype>\n" \
"\t<device> = Wirelessdevice (e.g. wlan0)\n" \
- "\t<cardtype> = Cardtype:\t Cisco\t= 1\n" \
+ "\t<cardtype> = Cardtype:\tCisco\t= 1\n" \
"\t\t\t\tNG\t= 2\n" \
- "\t\t\t\tHOSTAP\t= 3\n");
+ "\t\t\t\tHOSTAP\t= 3\n" \
+ "\t\t\t\tLUCENT\t= 4\n");
exit(-1);
}
diff --git a/noncore/net/wellenreiter/daemon/source/daemon.hh b/noncore/net/wellenreiter/daemon/source/daemon.hh
index 1cc3c7c..d50487a 100644
--- a/noncore/net/wellenreiter/daemon/source/daemon.hh
+++ b/noncore/net/wellenreiter/daemon/source/daemon.hh
@@ -1,25 +1,26 @@
/* $Id$ */
#ifndef DAEMON_HH
#define DAEMON_HH
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <errno.h>
+#include <signal.h>
#include <libwellenreiter/source/wl_sock.hh>
#include <libwellenreiter/source/wl_log.hh>
#include <libwellenreiter/source/wl_types.hh>
#include <libwellenreiter/source/wl_proto.hh>
#include <libwellenreiter/source/cardmode.hh>
#include <libwellenreiter/source/sniff.hh>
void usage(void);
#endif /* DAEMON_HH */
diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index 697d182..0c23922 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -28,160 +28,165 @@ int card_into_monitormode (pcap_t **orighandle, char *device, int cardtype)
}
wl_loginfo("Interface set to promisc mode");
/* Check the cardtype and executes the commands to go into monitor mode */
if (cardtype == CARD_TYPE_CISCO)
{
/* bring the sniffer into rfmon mode */
snprintf(CiscoRFMON, sizeof(CiscoRFMON) - 1, DEFAULT_PATH, device);
if((CISCO_CONFIG_FILE = fopen(CiscoRFMON,"w")) == NULL)
{
wl_logerr("Cannot open config file: %s", strerror(errno));
return 0;
}
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) - 1, "%s %s lnxreq_wlansniff channel=1 enable=true", WLANCTL_PATH, device);
if (system(wlanngcmd) != 0)
{
wl_logerr("Could not set %s in raw mode, check cardtype", device);
return 0;
}
}
else if (cardtype == CARD_TYPE_HOSTAP)
{
wl_logerr("Got a host-ap card, nothing is implemented now");
char hostapcmd[250];
snprintf(hostapcmd, sizeof(hostapcmd) -1, "%s %s monitor 2", IWPRIV_PATH, device);
if (system(hostapcmd) !=0)
{
wl_logerr("Could not set %s in raw mode, check cardtype", device);
return 0;
}
}
else if (cardtype == CARD_TYPE_ORINOCCO)
{
char lucentcmd[62];
snprintf(lucentcmd, sizeof(lucentcmd) - 1, "$(which iwpriv) %s monitor 2 %d", device, 1);
if (system(lucentcmd) != 0)
{
wl_logerr("Could not set %s in raw mode, check cardtype", device);
return 0;
}
+ else
+ {
+ wl_loginfo("Successfully set %s into raw mode",device);
+ }
}
/* Setting the promiscous and up flag to the interface */
if (!card_check_rfmon_datalink(device))
{
wl_logerr("Cannot set interface to rfmon mode");
return 0;
}
else
{
wl_loginfo("Interface set to rfmon mode");
}
return 1;
}
/* Check card is in the rfmon mode */
int card_check_rfmon_datalink (char *device)
{
int datalinktype=0;
pcap_t *phandle;
phandle = pcap_open_live(device, 65,0,0,NULL);
datalinktype = pcap_datalink (phandle);
pcap_close(phandle);
if (datalinktype != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
{
return 0;
}
else
{
wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device);
return 1;
}
}
/* Set card into promisc mode */
int card_set_promisc_up (const char *device)
{
int err;
/* First generate a socket to use with iocalls */
int fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd < 0)
{
/* In case of an error */
perror("socket");
return 0;
}
/* Fill an empty an interface structure with the right flags (UP and Promsic) */
struct ifreq ifr;
strncpy(ifr.ifr_name, device,10);
ifr.ifr_flags = IFF_UP + IFF_PROMISC;
err = ioctl(fd, SIOCSIFFLAGS, &ifr);
if (err < 0)
{
perror("Could not access the interface, ");
return 0;
}
/* Get the informations back from the interface to check if the flags are correct */
strncpy(ifr.ifr_name, device,10);
ioctl(fd, SIOCGIFFLAGS, &ifr);
if (err < 0)
{
perror("Could not access the interface, ");
return 0;
}
if(ifr.ifr_flags && IFF_UP)
{
printf("%s is ok\n", device);
return 1;
}
else
{
printf("%s flags could not be set", device);
return 0;
}
}
/* Set channel (Wireless frequency) of the device */
int card_set_channel (const char *device, int channel, int cardtype)
{
-
if (cardtype == CARD_TYPE_CISCO)
{
/* Cisco cards don't need channelswitching */
return 1;
}
/* If it is a lucent orinocco card */
else if (cardtype == CARD_TYPE_ORINOCCO)
{
char lucentreset[63];
char lucentcmd[62];
- snprintf(lucentreset, sizeof(lucentreset) -1,"$(which iwpriv) %s card_reset", device);
+ snprintf(lucentreset, sizeof(lucentreset) -1,"$(which iwpriv) %s force_reset", device);
if (system(lucentreset) != 0)
{
wl_logerr("Could not reset the card %s",device);
return 0;
}
snprintf(lucentcmd, sizeof(lucentcmd) - 1, "$(which iwpriv) %s monitor 2 %d", device, channel);
if (system(lucentcmd) != 0)
{
wl_logerr("Could not set %s in raw mode, check cardtype", device);
return 0;
}
+ wl_loginfo("Channel %d set on interface %s",channel,device);
+ return 1;
}
/* For undefined situations */
return 0;
}