static void
do_offline(const char *ifname, ipmp_handle_t handle)
{
ifaddrlistx_t *ifaddrp, *ifaddrs;
int retval;
if (is_offline(ifname))
die("interface %s is already offline\n", ifname);
if ((retval = ipmp_offline(handle, ifname, 1)) != IPMP_SUCCESS)
die("cannot offline %s: %s\n", ifname, mpadm_errmsg(retval));
/*
* Get all the up addresses for `ifname' and bring them down.
*/
if (ifaddrlistx(ifname, IFF_UP, 0, &ifaddrs) == -1)
die("cannot get addresses on %s", ifname);
for (ifaddrp = ifaddrs; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) {
if (!(ifaddrp->ia_flags & IFF_OFFLINE))
warn("IFF_OFFLINE vanished on %s\n", ifaddrp->ia_name);
if (!set_lifflags(ifaddrp->ia_name,
ifaddrp->ia_flags & ~IFF_UP))
warn("cannot bring down address on %s",
ifaddrp->ia_name);
}
ifaddrlistx_free(ifaddrs);
}
char MySniff::start()
{
if (status != TH_STOPPED){
xlog_err(LEVEL9,parent,"Alert","Capture is already started");
return -1;
}
if ((settings & XSNIFF_SETTING_IS_SET_INTERFACE) == 0){
xlog_err(LEVEL2,parent,"Alert","Interface is not set!");
return -1;
}
if (is_offline() == 0){
if ((settings & XSNIFF_SETTING_IS_SET_FREQ) == 0){
if (this->cfg_chann()!=0){
xlog_err(LEVEL2,parent,"Alert","Can't run start without channel initialisation!");
return -1;
}
}
}
if (is_everything_set()!=0){
xlog_err(LEVEL2,parent,"Alert","Can't start. Error: %d",is_everything_set());
return -1;
}
if (pthread_create(&th_start_capture,NULL,main_loop,NULL) != 0){
log_err(LEVEL1,(char *)"Can't create thread: %s",(char *)strerror(errno));
xlog_err(LEVEL1,parent,"Alert","Can't create thread: %s",(char *)strerror(errno));
return -1;
}else{
status = TH_STARTED;
//pthread_join(th_start_capture,&value_ptr);
if (is_offline() == 0){
if (this->start_hop_freq() != 0){
xlog_err(LEVEL2,parent,"Warning","Capture started but will listen only on current channel");
}
}
return 0;
}
}
static void
undo_offline(const char *ifname, ipmp_handle_t handle)
{
ifaddrlistx_t *ifaddrp, *ifaddrs;
int retval;
if (!is_offline(ifname))
die("interface %s is not offline\n", ifname);
/*
* Get all the down addresses for `ifname' and bring them up.
*/
if (ifaddrlistx(ifname, 0, IFF_UP, &ifaddrs) == -1)
die("cannot get addresses for %s", ifname);
for (ifaddrp = ifaddrs; ifaddrp != NULL; ifaddrp = ifaddrp->ia_next) {
if (!(ifaddrp->ia_flags & IFF_OFFLINE))
warn("IFF_OFFLINE vanished on %s\n", ifaddrp->ia_name);
if (!set_lifflags(ifaddrp->ia_name, ifaddrp->ia_flags | IFF_UP))
warn("cannot bring up address on %s", ifaddrp->ia_name);
}
ifaddrlistx_free(ifaddrs);
/*
* Undo the offline.
*/
if ((retval = ipmp_undo_offline(handle, ifname)) != IPMP_SUCCESS) {
die("cannot undo-offline %s: %s\n", ifname,
mpadm_errmsg(retval));
}
/*
* Verify whether IFF_OFFLINE is set as a sanity check.
*/
if (is_offline(ifname))
warn("in.mpathd has not cleared IFF_OFFLINE on %s\n", ifname);
}
char MySniff::cfg_chann(char *channels)
{
int tmp;
uint8_t default_channels[]=
{
1, 7, 13, 2, 8, 3, 9, 4, 10, 5, 11, 6, 12, 0
//1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0
};
if (is_offline() != 0){
xlog_err(LEVEL1,parent,"Alert","Can't set channels in offline mode");
return -1;
}
if ((settings & XSNIFF_SETTING_IS_SET_INTERFACE) == 0){
xlog_err(LEVEL2,parent,"Alert","First you must configure interface!");
return -1;
}
if (channels==NULL){
if (init_default_channels(default_channels) < 0){
xlog_err(LEVEL2,parent,"Alert","Can't init default channels");
return -1;
}
}else{
if (parse_own_channels(channels)<0){
xlog_err(LEVEL2,parent,"Alert","Can't parse channels. You must enter just positive numbers (lower than 255) and comas Eg: 1,2,3,4,5");
return -1;
}
}
tmp=verify_freq();
if (tmp!=0){
if (tmp>0){
xlog_err(LEVEL2,parent,"Alert","Unsuported channel %d (%d MHz)",get_channel(tmp-1),get_freq(tmp-1));
return -1;
}else{
xlog_err(LEVEL2,parent,"Alert","Can't set channels");
return -1;
}
}
settings = settings | XSNIFF_SETTING_IS_SET_FREQ;
return 0;
}
int main(int argc, char *argv[])
{
int i;
time_t now = time(NULL);
now = time(NULL);
if (argc < 2) {
printf("isoffline <fname...>\n");
exit(1);
}
for (i=1;i<argc;i++) {
bool offline;
if (is_offline(argv[i], now, &offline) == -1) {
perror(argv[i]);
exit(1);
}
printf("%s\t%s\n", offline?"offline":"online ", argv[i]);
}
return 0;
}
char MySniff::cfg_interface(char *name)
{
new_dev_clean();
set_dev_name(name);
if (set_interface()<0){
xlog_err(LEVEL2,parent,"Alert","This is not an supported wireless device. Check if the device is wireless and you have enabled monitor mode");
return -1;
}
//TODO we should use G.freq and not default one
settings = settings | XSNIFF_SETTING_IS_SET_INTERFACE;
if (is_offline() == 0){
if (this->cfg_chann()!=0){
xlog_err(LEVEL7,parent,"Alert","Please set custom channels before start capturing");
//return -1;
//!?
}
}
return 0;
}
