freebsd-skq/crypto/heimdal/lib/kadm5/chpass_s.c

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/*
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* Copyright (c) 1997-2001 Kungliga Tekniska H<EFBFBD>gskolan
* (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 "kadm5_locl.h"
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RCSID("$Id: chpass_s.c,v 1.13 2001/01/30 01:24:28 assar Exp $");
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static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
char *password,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry ent;
kadm5_ret_t ret;
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Key *keys;
size_t num_keys;
int cmp = 1;
ent.principal = princ;
ret = context->db->open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->fetch(context->context, context->db,
0, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
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num_keys = ent.keys.len;
keys = ent.keys.val;
ent.keys.len = 0;
ent.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent, password);
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if(ret) {
_kadm5_free_keys (server_handle, num_keys, keys);
goto out2;
}
if (cond)
cmp = _kadm5_cmp_keys (ent.keys.val, ent.keys.len,
keys, num_keys);
_kadm5_free_keys (server_handle, num_keys, keys);
if (cmp == 0)
goto out2;
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ret = _kadm5_set_modifier(context, &ent);
if(ret)
goto out2;
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ret = _kadm5_bump_pw_expire(context, &ent);
if (ret)
goto out2;
ret = hdb_seal_keys(context->context, context->db, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
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KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION);
ret = context->db->store(context->context, context->db,
HDB_F_REPLACE, &ent);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->close(context->context, context->db);
return _kadm5_error_code(ret);
}
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/*
* change the password of `princ' to `password' if it's not already that.
*/
kadm5_ret_t
kadm5_s_chpass_principal_cond(void *server_handle,
krb5_principal princ,
char *password)
{
return change (server_handle, princ, password, 1);
}
/*
* change the password of `princ' to `password'
*/
kadm5_ret_t
kadm5_s_chpass_principal(void *server_handle,
krb5_principal princ,
char *password)
{
return change (server_handle, princ, password, 0);
}
/*
* change keys for `princ' to `keys'
*/
kadm5_ret_t
kadm5_s_chpass_principal_with_key(void *server_handle,
krb5_principal princ,
int n_key_data,
krb5_key_data *key_data)
{
kadm5_server_context *context = server_handle;
hdb_entry ent;
kadm5_ret_t ret;
ent.principal = princ;
ret = context->db->open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->fetch(context->context, context->db, 0, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
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ret = _kadm5_set_keys2(context, &ent, n_key_data, key_data);
if(ret)
goto out2;
ret = _kadm5_set_modifier(context, &ent);
if(ret)
goto out2;
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ret = _kadm5_bump_pw_expire(context, &ent);
if (ret)
goto out2;
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ret = hdb_seal_keys(context->context, context->db, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
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KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION);
ret = context->db->store(context->context, context->db,
HDB_F_REPLACE, &ent);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->close(context->context, context->db);
return _kadm5_error_code(ret);
}