int main(int argc, char **argv)
{
char parts[4][4];
char *list[] = {"192.168.9.1", "0.0.0.0", "255.255.255.256", "255.255..255", "2d1.255.255.255", "", NULL};
int n;
n = 0;
while (list[n] != NULL)
{
if (split_ip(list[n], parts) == 0)
{
printf("ip: %s -> %s / %s / %s / %s\n", list[n], parts[0], parts[1], parts[2], parts[3]);
}
else
{
printf("ip: %s -> error\n", list[n]);
}
n++;
}
return 0;
}
void *sendThread(void *p)
{
int i, j, n;
// char _dest[MAXHOSTNAMELEN+1];
char _dest_ip[INET_ADDRSTRLEN+1];
struct sockaddr_in _destaddr;
uchar o[4];
uint ip;
uchar _seq;
int rv;
n = g_num_packets; /*num*/
ip = _startAddr.s_addr;
for (i = 0; i < n; i++)
{
split_ip(ip,o);
if (o[3] == 0) continue;
if (!fBroadcastOk && (o[3] == 255)) continue;
sprintf(_dest_ip,"%d.%d.%d.%d",o[0],o[1],o[2],o[3]);
/* set _destaddr */
_destaddr.sin_family = AF_INET;
_destaddr.sin_port = htons(g_port);
if ( !inet_aton( _dest_ip, &_destaddr.sin_addr)) {
printerr("inet_aton error %s\n",_dest_ip);
continue;
}
for (j=0; j<g_repeat; j++)
{
/* send ping buffer */
_seq = 0;
rv = send_probe(&_destaddr,_seq);
g_npings++;
if (fdebug) printerr("sendto[%d,%d] %s rv = %d\n",
g_npings,_seq,_dest_ip,rv);
if (rv < 0) { /*try to send again*/
rv = send_probe(&_destaddr,++_seq);
if (rv < 0) {
printerr("sendto[%d,%d] %s error %s\n",
g_npings,_seq,_dest_ip,showlasterr());
continue;
}
}
#ifdef NO_THREADS
receiveThread(NULL);
if (g_recv_status == 0 && !fBroadcastOk) {
/* nothing returned, try again */
if (fping) {
rv = send_poke1(&_destaddr);
if (fdebug) printerr("sendto[%d,%d] %s poke rv = %d\n",
g_npings,_seq,_dest_ip,rv);
}
rv = send_probe(&_destaddr,++_seq);
if (fdebug) printerr("sendto[%d,%d] %s rv = %d\n",
g_npings,_seq,_dest_ip,rv);
if (rv >= 0) {
receiveThread(NULL);
}
}
#endif
/* sleep an interval (g_delay usec) */
if (g_delay > 0) os_sleep(0,g_delay);
} /*end-for g_repeat*/
ip++; /* increment to next IP */
}
return(p);
}
void show_ip(int saddr)
{
uchar ip[4];
split_ip(saddr,ip);
printerr("%d.%d.%d.%d\n",ip[0],ip[1],ip[2],ip[3]);
}
int init_leases_list()
{
DHCPLIST *temp;
int i, j;
u8b chaddr[16];
FILE *config;
char line[80];
char textsubnet[16];
char textlease[5];
char textrouter[16];
char textmask[16];
char textlowrange[4], texthighrange[4];
char textserver[16];
u8b ip0, ip1, ip2, ip3;
u8b lowrange, highrange;
u8b textmac[17], textip[16];
u32b lease;
/* Be nice variables and behave yourselves */
for( j = 0; j < 16; j++ )
{
chaddr[j] = 0;
textsubnet[j] = 0;
textrouter[j] = 0;
textmask[j] = 0;
textip[j] = 0;
textmac[j] = 0;
}
textlease[0] = 0;
textlowrange[0] = 0;
texthighrange[0] = 0;
/* Now we can read our configuration file */
config = fopen( "dhcp.conf", "r" );
if( !config )
{
perror("Reading config files");
exit( 0 );
}
/* We _DO_ need a better parser */
list = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp = list;
temp->back = NULL;
while( (!feof( config )) && ( line ))
{
fscanf( config, "%s", line);
if( !strcmp( line, "subnet" ))
/* Read subnet parameters */
fscanf( config, "%s", textsubnet );
if( !strcmp( line, "lease" ))
/* read lease parameters */
fscanf( config, "%s", textlease );
if( !strcmp( line, "router" ))
fscanf( config, "%s", textrouter );
if( !strcmp( line, "mask" ))
fscanf( config, "%s", textmask );
if( !strcmp( line, "range" ))
fscanf( config, "%s %s", textlowrange, texthighrange );
if( !strcmp( line, "server" ))
fscanf( config, "%s", textserver );
if( !strcmp( line, "host" ))
{
/* Host Specific Configuration */
fscanf( config, "%s %s", textmac, textip );
str2mac( textmac, temp->chaddr );
temp->type = STATIC;
temp->data.ip = inet_addr( textip );
temp->next = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp->next->back = temp;
temp = temp->next;
temp->next =NULL;
}
}
fclose( config );
lowrange = (u8b)atoi( textlowrange );
highrange = (u8b)atoi( texthighrange );
lease = (u32b)atoi( textlease );
/* Creating Static IP */
for( temp = list; temp->next; temp = temp->next )
{
temp->available = FREE;
temp->xid = 0;
temp->data.router = inet_addr( textrouter );
temp->data.mask = inet_addr( textmask );
temp->data.lease = lease;
temp->data.siaddr = inet_addr( textserver );
}
/* Creating Dynamic IP */
for( i = lowrange; i < (highrange + 1); i++ )
{
temp->available = FREE;
temp->xid = 0;
temp->type = DYNAMIC;
maccpy( temp->chaddr, chaddr );
split_ip( textsubnet, &ip0, 0 );
split_ip( textsubnet, &ip1, 1 );
split_ip( textsubnet, &ip2, 2 );
temp->data.ip = i;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip2;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip1;
temp->data.ip = temp->data.ip << 8;
temp->data.ip += ip0;
temp->data.router = inet_addr( textrouter );
temp->data.mask = inet_addr( textmask );
temp->data.lease = lease;
temp->data.siaddr = inet_addr( textserver );
temp->next = (DHCPLIST *)malloc( sizeof( DHCPLIST ));
temp->next->back = temp;
temp = temp->next;
}
return 0;
}
