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)
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_keys(kadm5_server_context *context,
hdb_entry *ent,
const char *password)
{
Key *keys;
size_t num_keys;
kadm5_ret_t ret;
ret = hdb_generate_key_set_password(context->context,
ent->principal,
password, &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_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)
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 void
parse_file(krb5_context context, krb5_principal principal, int no_salt)
{
krb5_error_code ret;
size_t nkeys;
Key *keys;
ret = hdb_generate_key_set(context, principal, &keys, &nkeys, no_salt);
if (ret)
krb5_err(context, 1, ret, "hdb_generate_key_set");
print_keys(context, keys, nkeys);
_kadm5_free_keys(context, nkeys, keys);
}
kadm5_ret_t
_kadm5_set_keys_randomly (kadm5_server_context *context,
hdb_entry *ent,
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,
&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++) {
/*
* To make sure all des keys are the the same we generate only
* the first one and then copy key to all other des keys.
*/
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;
}
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
int keepold,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
const char *password,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
memset(&ent, 0, sizeof(ent));
if (!context->keep_open) {
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
}
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
if (keepold || cond) {
/*
* We save these for now so we can handle password history checking;
* we handle keepold further below.
*/
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
if (ret)
goto out;
}
if (context->db->hdb_capability_flags & HDB_CAP_F_HANDLE_PASSWORDS) {
ret = context->db->hdb_password(context->context, context->db,
&ent, password, cond);
if (ret)
goto out2;
} else {
num_keys = ent.entry.keys.len;
keys = ent.entry.keys.val;
ent.entry.keys.len = 0;
ent.entry.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent.entry, n_ks_tuple, ks_tuple,
password);
if(ret) {
_kadm5_free_keys(context->context, num_keys, keys);
goto out2;
}
_kadm5_free_keys(context->context, num_keys, keys);
if (cond) {
HDB_extension *ext;
ext = hdb_find_extension(&ent.entry, choice_HDB_extension_data_hist_keys);
if (ext != NULL)
existsp = _kadm5_exists_keys_hist(ent.entry.keys.val,
ent.entry.keys.len,
&ext->data.u.hist_keys);
}
if (existsp) {
ret = KADM5_PASS_REUSE;
krb5_set_error_message(context->context, ret,
"Password reuse forbidden");
goto out2;
}
}
ent.entry.kvno++;
ent.entry.flags.require_pwchange = 0;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension ext;
memset(&ext, 0, sizeof (ext));
ext.data.element = choice_HDB_extension_data_hist_keys;
ext.data.u.hist_keys.len = 0;
ext.data.u.hist_keys.val = NULL;
ret = hdb_replace_extension(context->context, &ent.entry, &ext);
if (ret)
goto out2;
}
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
const char *password,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
if (context->db->hdb_capability_flags & HDB_CAP_F_HANDLE_PASSWORDS) {
ret = context->db->hdb_password(context->context, context->db,
&ent, password, cond);
if (ret)
goto out2;
} else {
num_keys = ent.entry.keys.len;
keys = ent.entry.keys.val;
ent.entry.keys.len = 0;
ent.entry.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent.entry, password);
if(ret) {
_kadm5_free_keys (context->context, num_keys, keys);
goto out2;
}
if (cond)
existsp = _kadm5_exists_keys (ent.entry.keys.val,
ent.entry.keys.len,
keys, num_keys);
_kadm5_free_keys (context->context, num_keys, keys);
if (existsp) {
ret = KADM5_PASS_REUSE;
krb5_set_error_message(context->context, ret,
"Password reuse forbidden");
goto out2;
}
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
}
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
