/*
 * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden). 
 * All rights reserved. 
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 *
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 *
 * 3. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 */

#include "ntlm/ntlm.h"

RCSID("$Id: import_name.c 22373 2007-12-28 18:36:06Z lha $");

OM_uint32 _gss_ntlm_import_name
           (OM_uint32 * minor_status,
            const gss_buffer_t input_name_buffer,
            const gss_OID input_name_type,
            gss_name_t * output_name
           )
{
    char *name, *p, *p2;
    ntlm_name n;

    *minor_status = 0;

    if (output_name)
	*output_name = GSS_C_NO_NAME;

    if (!gss_oid_equal(input_name_type, GSS_C_NT_HOSTBASED_SERVICE))
	return GSS_S_BAD_NAMETYPE;

    name = malloc(input_name_buffer->length + 1);
    if (name == NULL) {
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }
    memcpy(name, input_name_buffer->value, input_name_buffer->length);
    name[input_name_buffer->length] = '\0';

    /* find "domain" part of the name and uppercase it */
    p = strchr(name, '@');
    if (p == NULL)
	return GSS_S_BAD_NAME;
    p[0] = '\0';
    p++;
    p2 = strchr(p, '.');
    if (p2 && p2[1] != '\0') {
	p = p2 + 1;
	p2 = strchr(p, '.');
	if (p2)
	    *p2 = '\0';
    }
    strupr(p);
    
    n = calloc(1, sizeof(*n));
    if (name == NULL) {
	free(name);
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

    n->user = strdup(name);
    n->domain = strdup(p);

    free(name);

    if (n->user == NULL || n->domain == NULL) {
	free(n->user);
	free(n->domain);
	free(n);
	*minor_status = ENOMEM;
	return GSS_S_FAILURE;
    }

    *output_name = (gss_name_t)n;

    return GSS_S_COMPLETE;
}