#include "includes.h"

/*
**
*/

char    usage [] ="Usage:\n\
        $netpwd :==$netpwd\n\
        $netpwd DC username oldpassword [newpassword]\n\
\n\
Example of password checking:\n\
        $netpwd starlet ZyzMan 123456\n\
\n\
Example of password changing:\n\
        $netpwd starlet ZyzMan 123456 my$new_pwd\n";

int	main	(int argc, char **argv)
{
char	*rem_host,*user,*pass,*new_pass;
char	loc_host  [] = "DTV3";

struct	cli_state	cli;
struct in_addr		ip;
struct hostent *	hp;

	if ( argc < 4 )
		{
		puts(usage);
		return	1;
		}

	rem_host = argv[1];
	user = argv[2];
	pass = argv[3];
	new_pass = argv[4];

	if ( !(hp = gethostbyname(rem_host)) )
		{
		perror("gethostbyname");
		return	2;
		}

	memset(&cli,0, sizeof(struct cli_state));
	memcpy(&ip,hp->h_addr,sizeof(ip));

	if ( !cli_initialise(&cli) || !cli_connect(&cli, rem_host, &ip) )
		{
		printf("unable to connect to SMB server on machine %s. Error was : %s.\n",
			rem_host, cli_errstr(&cli) );
		return	2;
		}


	if ( !cli_session_request(&cli, rem_host, 0x20, loc_host) )
		{
		printf("machine %s rejected the session setup. Error was : %s.\n",
			rem_host, cli_errstr(&cli) );
		cli_shutdown(&cli);
		return	2;
		}
    
	cli.protocol = PROTOCOL_NT1;

	if ( !cli_negprot(&cli) )
		{
		printf("machine %s rejected the negotiate protocol. Error was : %s.\n",
			rem_host,cli_errstr(&cli) );
		cli_shutdown(&cli);
		return	2;
		}

  
	if ( !cli_session_setup(&cli, user, pass, sizeof(pass)-1,"", 0, "") )
		{
		printf("machine %s rejected the session setup. Error was : %s.\n",
			rem_host,cli_errstr(&cli) );
    		cli_shutdown(&cli);
		return	2;
		}

	if ( new_pass )
		{
		if ( !cli_send_tconX(&cli, "IPC$", "IPC", "", 1) )
			{
			printf("machine %s rejected the tconX on the IPC$ share. Error was : %s.\n",
				rem_host,cli_errstr(&cli) );
	    		cli_shutdown(&cli);
			return	2;
			}

		if ( !cli_oem_change_password(&cli, user, new_pass, pass) )
			{
			printf("machine %s rejected the password change: Error was : %s.\n", 
				rem_host, cli_errstr(&cli));
	    		cli_shutdown(&cli);
			return	2;
			}
		}
    
	cli_shutdown(&cli);

	printf("Password was checked/changed\n");
	return	TRUE;
}