#include "kadm5_locl.h"
RCSID("$Id$");
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
int keepold,
const char *password,
int cond,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
int flags;
unsigned int modify_flags;
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;
}
flags = HDB_F_GET_ANY|HDB_F_ADMIN_DATA;
if (cond)
flags |= HDB_F_DECRYPT;
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ, flags, 0, &ent);
if(ret)
goto out;
modify_flags = KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KVNO | KADM5_PW_EXPIRATION | KADM5_TL_DATA;
if (keepold || cond) {
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 ? HDB_PWD_CONDITIONAL : 0);
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,
n_ks_tuple, ks_tuple);
if(ret) {
_kadm5_free_keys(context->context, (int)num_keys, keys);
goto out2;
}
_kadm5_free_keys(context->context, (int)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++;
modify_flags |= KADM5_KEY_DATA;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension 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|HDB_F_CHANGE_PASSWORD, &ent);
if (ret)
goto out2;
kadm5_log_modify(context, &ent.entry, modify_flags);
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);
}
kadm5_ret_t
kadm5_s_chpass_principal_cond(void *server_handle,
krb5_principal princ,
int keepold,
const char *password,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple)
{
return change (server_handle, princ, keepold, password, 1, n_ks_tuple, ks_tuple);
}
kadm5_ret_t
kadm5_s_chpass_principal(void *server_handle,
krb5_principal princ,
int keepold,
const char *password,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple)
{
return change (server_handle, princ, keepold, password, 0, n_ks_tuple, ks_tuple);
}
kadm5_ret_t
kadm5_s_chpass_principal_with_key(void *server_handle,
krb5_principal princ,
int keepold,
int n_key_data,
krb5_key_data *key_data)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
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, 0,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
if (keepold) {
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
if (ret)
goto out2;
}
ret = _kadm5_set_keys2(context, &ent.entry, n_key_data, key_data);
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;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension ext;
ext.data.element = choice_HDB_extension_data_hist_keys;
ext.data.u.hist_keys.len = 0;
ext.data.u.hist_keys.val = NULL;
hdb_replace_extension(context->context, &ent.entry, &ext);
}
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);
}