freebsd-dev/lib/libgssapi/gss_pname_to_uid.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
 * Authors: Doug Rabson <dfr@rabson.org>
 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */
/* $FreeBSD$ */

#include <unistd.h>
#include <gssapi/gssapi.h>

#include "mech_switch.h"
#include "name.h"
#include "utils.h"

OM_uint32
gss_pname_to_uid(OM_uint32 *minor_status, const gss_name_t pname,
    const gss_OID mech, uid_t *uidp)
{
	struct _gss_name *name = (struct _gss_name *) pname;
	struct _gss_mech_switch *m;
	struct _gss_mechanism_name *mn;
	OM_uint32 major_status;

	*minor_status = 0;

	if (pname == GSS_C_NO_NAME)
		return (GSS_S_BAD_NAME);

	m = _gss_find_mech_switch(mech);
	if (!m)
		return (GSS_S_BAD_MECH);

	if (m->gm_pname_to_uid == NULL)
		return (GSS_S_UNAVAILABLE);
    
	major_status = _gss_find_mn(minor_status, name, mech, &mn);
	if (major_status != GSS_S_COMPLETE) {
		_gss_mg_error(m, major_status, *minor_status);
		return (major_status);
	}

	major_status = (*m->gm_pname_to_uid)(minor_status, mn->gmn_name,
	    mech, uidp);
	if (major_status != GSS_S_COMPLETE)
		_gss_mg_error(m, major_status, *minor_status);

	return (major_status);
}