int Start_Interface(tInterface *Iface);
void Send_DHCPDISCOVER(tInterface *Iface);
void Send_DHCPREQUEST(tInterface *Iface, void *OfferBuffer, int TypeOffset);
int Start_Interface(tInterface *Iface);
void Send_DHCPDISCOVER(tInterface *Iface);
void Send_DHCPREQUEST(tInterface *Iface, void *OfferBuffer, int TypeOffset);
void Update_State(tInterface *Iface, int newState);
void SetAddress(tInterface *Iface, void *Addr, void *Mask, void *Router);
// === CODE ===
int main(int argc, char *argv[])
{
void Update_State(tInterface *Iface, int newState);
void SetAddress(tInterface *Iface, void *Addr, void *Mask, void *Router);
// === CODE ===
int main(int argc, char *argv[])
{
{
FD_SET(i->SocketFD, &fds);
if(maxfd < i->SocketFD) maxfd = i->SocketFD;
}
{
FD_SET(i->SocketFD, &fds);
if(maxfd < i->SocketFD) maxfd = i->SocketFD;
}
- if( select(maxfd+1, &fds, NULL, NULL, &timeout) < 0 )
+ if( _SysSelect(maxfd+1, &fds, NULL, NULL, &timeout, 0) < 0 )
- _SysIOCtl(fd, 4, Iface->HWAddr);
- // TODO: Check if ioctl() failed
+ if( _SysIOCtl(fd, 4, Iface->HWAddr) ) {
+ perror("Getting MAC address");
+ return -1;
+ }
- Iface->Num = _SysIOCtl(fd, 4, (void*)Iface->Adapter); // Create interface
+ struct {
+ const char *Device;
+ const char *Name;
+ int Type;
+ } ifinfo;
+ ifinfo.Device = Iface->Adapter;
+ ifinfo.Name = "";
+ ifinfo.Type = 4;
+ Iface->Num = _SysIOCtl(fd, 4, &ifinfo); // Create interface
_SysIOCtl(fd, 6, addr); // Set address to 0.0.0.0
tmp = 0; _SysIOCtl(fd, 7, &tmp); // Set subnet mask to 0
// Open UDP Client
snprintf(path, sizeof(path), "/Devices/ip/%i/udp", Iface->Num);
_SysIOCtl(fd, 6, addr); // Set address to 0.0.0.0
tmp = 0; _SysIOCtl(fd, 7, &tmp); // Set subnet mask to 0
// Open UDP Client
snprintf(path, sizeof(path), "/Devices/ip/%i/udp", Iface->Num);
- tmp = 68; _SysIOCtl(fd, 4, &tmp); // Local port
- tmp = 67; _SysIOCtl(fd, 5, &tmp); // Remote port
- tmp = 0; _SysIOCtl(fd, 7, &tmp); // Remote addr mask bits - we don't care where the reply comes from
+ tmp = 68; _SysIOCtl(fd, UDP_IOCTL_GETSETLPORT, &tmp); // Local port
+ tmp = 67; _SysIOCtl(fd, UDP_IOCTL_GETSETRPORT, &tmp); // Remote port
+ tmp = 0; _SysIOCtl(fd, UDP_IOCTL_GETSETRMASK, &tmp); // Remote addr mask bits - don't care source
msg->siaddr = htonl(0); // siaddr - Zero? maybe -1
msg->giaddr = htonl(0); // giaddr - Zero?
memcpy(msg->chaddr, Iface->HWAddr, 6);
msg->siaddr = htonl(0); // siaddr - Zero? maybe -1
msg->giaddr = htonl(0); // giaddr - Zero?
memcpy(msg->chaddr, Iface->HWAddr, 6);
memset(msg->sname, 0, sizeof(msg->sname)); // Nuke the rest
memset(msg->file, 0, sizeof(msg->file)); // Nuke the rest
memset(msg->sname, 0, sizeof(msg->sname)); // Nuke the rest
memset(msg->file, 0, sizeof(msg->file)); // Nuke the rest
data[0] = 67; data[1] = 0; // Port
data[2] = 4; data[3] = 0; // AddrType
data[4] = 255; data[5] = 255; data[6] = 255; data[7] = 255;
data[0] = 67; data[1] = 0; // Port
data[2] = 4; data[3] = 0; // AddrType
data[4] = 255; data[5] = 255; data[6] = 255; data[7] = 255;
- _SysWrite(Iface->SocketFD, data, sizeof(data));
+ i = _SysWrite(Iface->SocketFD, data, sizeof(data));
+ if( i != sizeof(data) ) {
+ _SysDebug("_SysWrite failed (%i != %i): %s", i, sizeof(data),
+ strerror(errno));
+ }
- msg->op = 1;
- msg->htype = 1;
- msg->hlen = 6;
- msg->hops = 0;
- msg->xid = msg->xid;
- msg->secs = htons(0); // TODO: Maintain times
- msg->flags = htons(0);
+ msg->op = htonb(1);
+ msg->htype = htonb(1);
+ msg->hlen = htonb(6);
+ msg->hops = htonb(0);
+ msg->xid = htonl(Iface->TransactionID);
+ msg->secs = htons( (_SysTimestamp()-Iface->StartTime+499)/1000 ); // TODO: Maintain times
+ msg->flags = htons(0x0000);
memcpy(msg->chaddr, Iface->HWAddr, 6);
memset(msg->sname, 0, sizeof(msg->sname)); // Nuke the rest
memset(msg->file, 0, sizeof(msg->file)); // Nuke the rest
memcpy(msg->chaddr, Iface->HWAddr, 6);
memset(msg->sname, 0, sizeof(msg->sname)); // Nuke the rest
memset(msg->file, 0, sizeof(msg->file)); // Nuke the rest
len = _SysRead(Iface->SocketFD, data, sizeof(data));
_SysDebug("len = %i", len);
len = _SysRead(Iface->SocketFD, data, sizeof(data));
_SysDebug("len = %i", len);
_SysIOCtl(Iface->IfaceFD, 6, Addr);
_SysIOCtl(Iface->IfaceFD, 7, &mask_bits);
_SysIOCtl(Iface->IfaceFD, 6, Addr);
_SysIOCtl(Iface->IfaceFD, 7, &mask_bits);
{
uint8_t *addr = Router;
_SysDebug("Router %i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);
{
uint8_t *addr = Router;
_SysDebug("Router %i.%i.%i.%i", addr[0], addr[1], addr[2], addr[3]);