STATUS
gcn_get_auth( GCN_RESOLVE_CB *grcb, GCN_MBUF *mbout )
{
char passwd[ 20 ]; /* Need size > ((len + 8) * 2) */
char *m;
GCN_MBUF *mbuf;
STATUS status;
i4 i;
/*
** Encrypt the NOUSER password, so the local GCC can decrypt it.
*/
gcn_login(GCN_VLP_COMSVR, GCN_VLP_V1, TRUE, GCN_NOUSER, GCN_NOPASS, passwd);
/*
** Produce the GCN2_RESOLVED message.
*/
if ( (status = gcn_connect_info( grcb, mbout,
GCN_NOUSER, passwd, 0, NULL )) != OK )
return( status );
/*
** Prepare GCN_NS_AUTHORIZE message.
*/
mbuf = gcn_add_mbuf( mbout, TRUE, &status );
if ( status != OK ) return status;
m = mbuf->data;
m += gcu_put_int( m, GCN_AUTH_TICKET );
m += gcu_put_str( m, grcb->username );
m += gcu_put_str( m, IIGCn_static.lcl_vnode );
m += gcu_put_str( m, grcb->vnode );
m += gcu_put_int( m, IIGCn_static.ticket_cache_size );
mbuf->used = m - mbuf->data;
mbuf->type = GCN_NS_AUTHORIZE;
return( OK );
}
static STATUS
transform_login( char *ibuff, char *obuff )
{
char *pv[ 2 ];
char pbuff[ 128 ], tbuff[ 128 ];
char *pwd, *tmp;
i4 len;
STATUS status;
/*
** Isolate user ID and encrypted password.
** Ensure output buffer is large enough.
** Decrypt the password.
*/
if ( gcu_words( ibuff, NULL, pv, ',', 2 ) < 2 ) pv[1] = "";
len = STlength( pv[1] );
pwd = (len < sizeof( pbuff ))
? pbuff : (char *)MEreqmem( 0, len + 1, FALSE, NULL );
if ( ! pwd )
status = E_GC0121_GCN_NOMEM;
else
status = gcn_login( GCN_VLP_CLIENT, 0, FALSE, pv[0], pv[1], pwd );
/*
** Re-encrypt password for storage
*/
if ( status == OK )
{
/*
** Ensure temp buffer is large enough.
*/
len = (STlength( pwd ) + 8) * 2;
tmp = (len < sizeof( tbuff ))
? tbuff : (char *)MEreqmem( 0, len + 1, FALSE, NULL );
if ( ! tmp )
status = E_GC0121_GCN_NOMEM;
else
status = gcn_login( GCN_VLP_LOGIN,
IIGCn_static.pwd_enc_vers,
TRUE, pv[0], pwd, tmp );
}
/*
** Rebuild the login tuple value.
*/
if ( status == OK )
{
char vers[ 32 ];
STprintf( vers, "V%d", IIGCn_static.pwd_enc_vers );
STpolycat( 5, pv[0], ",", tmp, ",", vers, obuff );
}
if ( pwd != pbuff ) MEfree( (PTR)pwd );
if ( tmp != tbuff ) MEfree( (PTR)tmp );
return( status );
}
