1/*	$NetBSD: delete_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997 - 2001, 2003, 2005 - 2006 Kungliga Tekniska H��gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#include "kadm5_locl.h"
37
38__RCSID("$NetBSD: delete_s.c,v 1.2 2017/01/28 21:31:49 christos Exp $");
39
40kadm5_ret_t
41kadm5_s_delete_principal(void *server_handle, krb5_principal princ)
42{
43    kadm5_server_context *context = server_handle;
44    kadm5_ret_t ret;
45    hdb_entry_ex ent;
46
47    memset(&ent, 0, sizeof(ent));
48    if (!context->keep_open) {
49	ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
50	if(ret) {
51	    krb5_warn(context->context, ret, "opening database");
52	    return ret;
53	}
54    }
55
56    ret = kadm5_log_init(context);
57    if (ret)
58        goto out;
59
60    ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
61				      HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
62    if (ret == HDB_ERR_NOENTRY)
63	goto out2;
64    if (ent.entry.flags.immutable) {
65	ret = KADM5_PROTECT_PRINCIPAL;
66	goto out3;
67    }
68
69    ret = hdb_seal_keys(context->context, context->db, &ent.entry);
70    if (ret)
71	goto out3;
72
73    /* This logs the change for iprop and writes to the HDB */
74    ret = kadm5_log_delete(context, princ);
75
76 out3:
77    hdb_free_entry(context->context, &ent);
78 out2:
79    (void) kadm5_log_end(context);
80 out:
81    if (!context->keep_open) {
82        kadm5_ret_t ret2;
83        ret2 = context->db->hdb_close(context->context, context->db);
84        if (ret == 0 && ret2 != 0)
85            ret = ret2;
86    }
87    return _kadm5_error_code(ret);
88}
89