#include "kadm5_locl.h"
RCSID("$Id$");
kadm5_ret_t
_kadm5_set_keys(kadm5_server_context *context,
hdb_entry *ent,
const char *password,
krb5_enctype *enctypes)
{
Key *keys;
size_t num_keys;
kadm5_ret_t ret;
ret = hdb_generate_key_set_password(context->context,
ent->principal,
password, enctypes,
&keys, &num_keys);
if (ret)
return ret;
_kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
ent->keys.val = keys;
ent->keys.len = num_keys;
hdb_entry_set_pw_change_time(context->context, ent, 0);
if (krb5_config_get_bool_default(context->context, NULL, FALSE,
"kadmin", "save-password", NULL))
{
ret = hdb_entry_set_password(context->context, context->db,
ent, password);
if (ret)
return ret;
}
return 0;
}
kadm5_ret_t
_kadm5_set_keys2(kadm5_server_context *context,
hdb_entry *ent,
int16_t n_key_data,
krb5_key_data *key_data)
{
krb5_error_code ret;
int i;
unsigned len;
Key *keys;
len = n_key_data;
keys = malloc (len * sizeof(*keys));
if (keys == NULL && len != 0)
return ENOMEM;
_kadm5_init_keys (keys, len);
for(i = 0; i < n_key_data; i++) {
keys[i].mkvno = NULL;
keys[i].key.keytype = key_data[i].key_data_type[0];
ret = krb5_data_copy(&keys[i].key.keyvalue,
key_data[i].key_data_contents[0],
key_data[i].key_data_length[0]);
if(ret)
goto out;
if(key_data[i].key_data_ver == 2) {
Salt *salt;
salt = calloc(1, sizeof(*salt));
if(salt == NULL) {
ret = ENOMEM;
goto out;
}
keys[i].salt = salt;
salt->type = key_data[i].key_data_type[1];
krb5_data_copy(&salt->salt,
key_data[i].key_data_contents[1],
key_data[i].key_data_length[1]);
} else
keys[i].salt = NULL;
}
_kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
ent->keys.len = len;
ent->keys.val = keys;
hdb_entry_set_pw_change_time(context->context, ent, 0);
hdb_entry_clear_password(context->context, ent);
return 0;
out:
_kadm5_free_keys (context->context, len, keys);
return ret;
}
kadm5_ret_t
_kadm5_set_keys3(kadm5_server_context *context,
hdb_entry *ent,
int n_keys,
krb5_keyblock *keyblocks)
{
krb5_error_code ret;
int i;
unsigned len;
Key *keys;
len = n_keys;
keys = malloc (len * sizeof(*keys));
if (keys == NULL && len != 0)
return ENOMEM;
_kadm5_init_keys (keys, len);
for(i = 0; i < n_keys; i++) {
keys[i].mkvno = NULL;
ret = krb5_copy_keyblock_contents (context->context,
&keyblocks[i],
&keys[i].key);
if(ret)
goto out;
keys[i].salt = NULL;
}
_kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
ent->keys.len = len;
ent->keys.val = keys;
hdb_entry_set_pw_change_time(context->context, ent, 0);
hdb_entry_clear_password(context->context, ent);
return 0;
out:
_kadm5_free_keys (context->context, len, keys);
return ret;
}
static int
is_des_key_p(int keytype)
{
return keytype == ETYPE_DES_CBC_CRC ||
keytype == ETYPE_DES_CBC_MD4 ||
keytype == ETYPE_DES_CBC_MD5;
}
kadm5_ret_t
_kadm5_set_keys_randomly (kadm5_server_context *context,
hdb_entry *ent,
krb5_enctype *enctypes,
krb5_keyblock **new_keys,
int *n_keys)
{
krb5_keyblock *kblock = NULL;
kadm5_ret_t ret = 0;
int i, des_keyblock;
size_t num_keys;
Key *keys;
ret = hdb_generate_key_set(context->context, ent->principal,
enctypes, &keys, &num_keys, 1);
if (ret)
return ret;
kblock = malloc(num_keys * sizeof(kblock[0]));
if (kblock == NULL) {
ret = ENOMEM;
_kadm5_free_keys (context->context, num_keys, keys);
return ret;
}
memset(kblock, 0, num_keys * sizeof(kblock[0]));
des_keyblock = -1;
for (i = 0; i < num_keys; i++) {
if (des_keyblock != -1 && is_des_key_p(keys[i].key.keytype)) {
ret = krb5_copy_keyblock_contents (context->context,
&kblock[des_keyblock],
&kblock[i]);
if (ret)
goto out;
kblock[i].keytype = keys[i].key.keytype;
} else {
ret = krb5_generate_random_keyblock (context->context,
keys[i].key.keytype,
&kblock[i]);
if (ret)
goto out;
if (is_des_key_p(keys[i].key.keytype))
des_keyblock = i;
}
ret = krb5_copy_keyblock_contents (context->context,
&kblock[i],
&keys[i].key);
if (ret)
goto out;
}
out:
if(ret) {
for (i = 0; i < num_keys; ++i)
krb5_free_keyblock_contents (context->context, &kblock[i]);
free(kblock);
_kadm5_free_keys (context->context, num_keys, keys);
return ret;
}
_kadm5_free_keys (context->context, ent->keys.len, ent->keys.val);
ent->keys.val = keys;
ent->keys.len = num_keys;
*new_keys = kblock;
*n_keys = num_keys;
hdb_entry_set_pw_change_time(context->context, ent, 0);
hdb_entry_clear_password(context->context, ent);
return 0;
}