tnet_get_user_id

#include <net_config.h>

BOOL tnet_get_user_id (void);

The tnet_get_user_id retrieves the user identification number, when the telnet console is protected with user authentication. It can be used to disable restricted commands for unprivileged users. This function is normally called from the tnet_process_cmd or tnet_cbfunc functions.

The tnet_get_user_id is a system function that is in the RL-TCPnet library. The prototype is defined in net_config.h.

note

• This function returns a value of 0 for system administrator account.

The tnet_get_user_id function returns the user identification number of a connected user.

tnet_check_account

U16 tnet_process_cmd (U8 *cmd, U8 *buf, U16 buflen, U32 *pvar) {
  REMOTEM rm;
  U16 len = 0;
  U8 uid;

   ..
  uid = tnet_get_user_id ();
  if ((tnet_ccmp (cmd, "RINFO") == __TRUE) && (uid == 0)) {
    /* Display Remote Machine IP and MAC address. */
    /* Restricted to the 'admin' account only.    */
    tnet_get_info (&rm);
    len  = sprintf ((char *)buf,"\r\n Remote IP : %d.%d.%d.%d",
                    rm.IpAdr[0],rm.IpAdr[1],rm.IpAdr[2],rm.IpAdr[3]);
    len += sprintf ((char *)(buf+len),
                    "\r\n Remote MAC: %02X-%02X-%02X-%02X-%02X-%02X",
                    rm.HwAdr[0],rm.HwAdr[1],rm.HwAdr[2],
                    rm.HwAdr[3],rm.HwAdr[4],rm.HwAdr[5]);
    return (len);
  }
   ..
}