1/*
2 * Copyright (c) 1998 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "ftpd_locl.h"
35#include <gssapi/gssapi.h>
36
37/* XXX sync with gssapi.c */
38struct gssapi_data {
39    gss_ctx_id_t context_hdl;
40    gss_name_t client_name;
41    gss_cred_id_t delegated_cred_handle;
42    void *mech_data;
43};
44
45int gssapi_userok(void*, char*); /* to keep gcc happy */
46int gssapi_session(void*, char*); /* to keep gcc happy */
47
48int
49gssapi_userok(void *app_data, char *username)
50{
51    struct gssapi_data *data = app_data;
52
53    /* Yes, this logic really is inverted. */
54    return !gss_userok(data->client_name, username);
55}
56
57int
58gssapi_session(void *app_data, char *username)
59{
60    struct gssapi_data *data = app_data;
61    OM_uint32 major, minor;
62    int ret = 0;
63
64    if (data->delegated_cred_handle != GSS_C_NO_CREDENTIAL) {
65        major = gss_store_cred(&minor, data->delegated_cred_handle,
66                               GSS_C_INITIATE, GSS_C_NO_OID,
67                               1, 1, NULL, NULL);
68        if (GSS_ERROR(major))
69            ret = 1;
70	afslog(NULL, 1);
71    }
72
73    gss_release_cred(&minor, &data->delegated_cred_handle);
74    return ret;
75}
76