/*
   Unix SMB/CIFS implementation.
   SMB torture tester
   Copyright (C) Guenther Deschner 2009

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "torture/smbtorture.h"
#include <netapi.h>
#include "torture/libnetapi/proto.h"

#define TORTURE_TEST_USER "torture_testuser"
#define TORTURE_TEST_USER2 "torture_testuser2"

#define NETAPI_STATUS(tctx, x,y,fn) \
	torture_warning(tctx, "FAILURE: line %d: %s failed with status: %s (%d)\n", \
		__LINE__, fn, libnetapi_get_error_string(x,y), y);

static NET_API_STATUS test_netuserenum(struct torture_context *tctx,
				       const char *hostname,
				       uint32_t level,
				       const char *username)
{
	NET_API_STATUS status;
	uint32_t entries_read = 0;
	uint32_t total_entries = 0;
	uint32_t resume_handle = 0;
	const char *current_name = NULL;
	int found_user = 0;
	uint8_t *buffer = NULL;
	int i;

	struct USER_INFO_0 *info0 = NULL;
	struct USER_INFO_1 *info1 = NULL;
	struct USER_INFO_2 *info2 = NULL;
	struct USER_INFO_3 *info3 = NULL;
	struct USER_INFO_4 *info4 = NULL;
	struct USER_INFO_10 *info10 = NULL;
	struct USER_INFO_11 *info11 = NULL;
	struct USER_INFO_20 *info20 = NULL;
	struct USER_INFO_23 *info23 = NULL;

	torture_comment(tctx, "Testing NetUserEnum level %d\n", level);

	do {
		status = NetUserEnum(hostname,
				     level,
				     FILTER_NORMAL_ACCOUNT,
				     &buffer,
				     (uint32_t)-1,
				     &entries_read,
				     &total_entries,
				     &resume_handle);
		if (status == 0 || status == ERROR_MORE_DATA) {
			switch (level) {
				case 0:
					info0 = (struct USER_INFO_0 *)buffer;
					break;
				case 1:
					info1 = (struct USER_INFO_1 *)buffer;
					break;
				case 2:
					info2 = (struct USER_INFO_2 *)buffer;
					break;
				case 3:
					info3 = (struct USER_INFO_3 *)buffer;
					break;
				case 4:
					info4 = (struct USER_INFO_4 *)buffer;
					break;
				case 10:
					info10 = (struct USER_INFO_10 *)buffer;
					break;
				case 11:
					info11 = (struct USER_INFO_11 *)buffer;
					break;
				case 20:
					info20 = (struct USER_INFO_20 *)buffer;
					break;
				case 23:
					info23 = (struct USER_INFO_23 *)buffer;
					break;
				default:
					return -1;
			}

			for (i=0; i<entries_read; i++) {

				switch (level) {
					case 0:
						current_name = info0->usri0_name;
						break;
					case 1:
						current_name = info1->usri1_name;
						break;
					case 2:
						current_name = info2->usri2_name;
						break;
					case 3:
						current_name = info3->usri3_name;
						break;
					case 4:
						current_name = info4->usri4_name;
						break;
					case 10:
						current_name = info10->usri10_name;
						break;
					case 11:
						current_name = info11->usri11_name;
						break;
					case 20:
						current_name = info20->usri20_name;
						break;
					case 23:
						current_name = info23->usri23_name;
						break;
					default:
						return -1;
				}

				if (strcasecmp(current_name, username) == 0) {
					found_user = 1;
				}

				switch (level) {
					case 0:
						info0++;
						break;
					case 1:
						info1++;
						break;
					case 2:
						info2++;
						break;
					case 3:
						info3++;
						break;
					case 4:
						info4++;
						break;
					case 10:
						info10++;
						break;
					case 11:
						info11++;
						break;
					case 20:
						info20++;
						break;
					case 23:
						info23++;
						break;
					default:
						break;
				}
			}
			NetApiBufferFree(buffer);
		}
	} while (status == ERROR_MORE_DATA);

	if (status) {
		return status;
	}

	if (!found_user) {
		torture_comment(tctx, "failed to get user\n");
		return -1;
	}

	return 0;
}

NET_API_STATUS test_netuseradd(struct torture_context *tctx,
			       const char *hostname,
			       const char *username)
{
	struct USER_INFO_1 u1;
	uint32_t parm_err = 0;

	ZERO_STRUCT(u1);

	torture_comment(tctx, "Testing NetUserAdd\n");

	u1.usri1_name = username;
	u1.usri1_password = "W297!832jD8J";
	u1.usri1_password_age = 0;
	u1.usri1_priv = 0;
	u1.usri1_home_dir = NULL;
	u1.usri1_comment = "User created using Samba NetApi Example code";
	u1.usri1_flags = 0;
	u1.usri1_script_path = NULL;

	return NetUserAdd(hostname, 1, (uint8_t *)&u1, &parm_err);
}

static NET_API_STATUS test_netusermodals(struct torture_context *tctx,
					 struct libnetapi_ctx *ctx,
					 const char *hostname)
{
	NET_API_STATUS status;
	struct USER_MODALS_INFO_0 *u0 = NULL;
	struct USER_MODALS_INFO_0 *_u0 = NULL;
	uint8_t *buffer = NULL;
	uint32_t parm_err = 0;
	uint32_t levels[] = { 0, 1, 2, 3 };
	int i = 0;

	for (i=0; i<ARRAY_SIZE(levels); i++) {

		torture_comment(tctx, "Testing NetUserModalsGet level %d\n", levels[i]);

		status = NetUserModalsGet(hostname, levels[i], &buffer);
		if (status) {
			NETAPI_STATUS(tctx, ctx, status, "NetUserModalsGet");
			return status;
		}
	}

	status = NetUserModalsGet(hostname, 0, (uint8_t **)&u0);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserModalsGet");
		return status;
	}

	torture_comment(tctx, "Testing NetUserModalsSet\n");

	status = NetUserModalsSet(hostname, 0, (uint8_t *)u0, &parm_err);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserModalsSet");
		return status;
	}

	status = NetUserModalsGet(hostname, 0, (uint8_t **)&_u0);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserModalsGet");
		return status;
	}

	if (memcmp(u0, _u0, sizeof(*u0)) != 0) {
		torture_comment(tctx, "USER_MODALS_INFO_0 struct has changed!!!!\n");
		return -1;
	}

	return 0;
}

static NET_API_STATUS test_netusergetgroups(struct torture_context *tctx,
					    const char *hostname,
					    uint32_t level,
					    const char *username,
					    const char *groupname)
{
	NET_API_STATUS status;
	uint32_t entries_read = 0;
	uint32_t total_entries = 0;
	const char *current_name;
	int found_group = 0;
	uint8_t *buffer = NULL;
	int i;

	struct GROUP_USERS_INFO_0 *i0;
	struct GROUP_USERS_INFO_1 *i1;

	torture_comment(tctx, "Testing NetUserGetGroups level %d\n", level);

	do {
		status = NetUserGetGroups(hostname,
					  username,
					  level,
					  &buffer,
					  (uint32_t)-1,
					  &entries_read,
					  &total_entries);
		if (status == 0 || status == ERROR_MORE_DATA) {
			switch (level) {
				case 0:
					i0 = (struct GROUP_USERS_INFO_0 *)buffer;
					break;
				case 1:
					i1 = (struct GROUP_USERS_INFO_1 *)buffer;
					break;
				default:
					return -1;
			}

			for (i=0; i<entries_read; i++) {

				switch (level) {
					case 0:
						current_name = i0->grui0_name;
						break;
					case 1:
						current_name = i1->grui1_name;
						break;
					default:
						return -1;
				}

				if (groupname && strcasecmp(current_name, groupname) == 0) {
					found_group = 1;
				}

				switch (level) {
					case 0:
						i0++;
						break;
					case 1:
						i1++;
						break;
					default:
						break;
				}
			}
			NetApiBufferFree(buffer);
		}
	} while (status == ERROR_MORE_DATA);

	if (status) {
		return status;
	}

	if (groupname && !found_group) {
		torture_comment(tctx, "failed to get membership\n");
		return -1;
	}

	return 0;
}

bool torture_libnetapi_user(struct torture_context *tctx)
{
	NET_API_STATUS status = 0;
	uint8_t *buffer = NULL;
	uint32_t levels[] = { 0, 1, 2, 3, 4, 10, 11, 20, 23 };
	uint32_t enum_levels[] = { 0, 1, 2, 3, 4, 10, 11, 20, 23 };
	uint32_t getgr_levels[] = { 0, 1 };
	int i;

	struct USER_INFO_0 u0;
	struct USER_INFO_1007 u1007;
	uint32_t parm_err = 0;

	const char *hostname = torture_setting_string(tctx, "host", NULL);
	struct libnetapi_ctx *ctx;

	torture_assert(tctx, torture_libnetapi_init_context(tctx, &ctx),
		       "failed to initialize libnetapi");

	torture_comment(tctx, "NetUser tests\n");

	/* cleanup */

	NetUserDel(hostname, TORTURE_TEST_USER);
	NetUserDel(hostname, TORTURE_TEST_USER2);

	/* add a user */

	status = test_netuseradd(tctx, hostname, TORTURE_TEST_USER);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserAdd");
		goto out;
	}

	/* enum the new user */

	for (i=0; i<ARRAY_SIZE(enum_levels); i++) {

		status = test_netuserenum(tctx, hostname, enum_levels[i], TORTURE_TEST_USER);
		if (status) {
			NETAPI_STATUS(tctx, ctx, status, "NetUserEnum");
			goto out;
		}
	}

	/* basic queries */

	for (i=0; i<ARRAY_SIZE(levels); i++) {

		torture_comment(tctx, "Testing NetUserGetInfo level %d\n", levels[i]);

		status = NetUserGetInfo(hostname, TORTURE_TEST_USER, levels[i], &buffer);
		if (status && status != 124) {
			NETAPI_STATUS(tctx, ctx, status, "NetUserGetInfo");
			goto out;
		}
	}

	/* testing getgroups */

	for (i=0; i<ARRAY_SIZE(getgr_levels); i++) {

		status = test_netusergetgroups(tctx, hostname, getgr_levels[i], TORTURE_TEST_USER, NULL);
		if (status) {
			NETAPI_STATUS(tctx, ctx, status, "NetUserGetGroups");
			goto out;
		}
	}

	/* modify description */

	torture_comment(tctx, "Testing NetUserSetInfo level %d\n", 1007);

	u1007.usri1007_comment = "NetApi modified user";

	status = NetUserSetInfo(hostname, TORTURE_TEST_USER, 1007, (uint8_t *)&u1007, &parm_err);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserSetInfo");
		goto out;
	}

	/* query info */

	for (i=0; i<ARRAY_SIZE(levels); i++) {
		status = NetUserGetInfo(hostname, TORTURE_TEST_USER, levels[i], &buffer);
		if (status && status != 124) {
			NETAPI_STATUS(tctx, ctx, status, "NetUserGetInfo");
			goto out;
		}
	}

	torture_comment(tctx, "Testing NetUserSetInfo level 0\n");

	u0.usri0_name = TORTURE_TEST_USER2;

	status = NetUserSetInfo(hostname, TORTURE_TEST_USER, 0, (uint8_t *)&u0, &parm_err);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserSetInfo");
		goto out;
	}

	/* delete */

	torture_comment(tctx, "Testing NetUserDel\n");

	status = NetUserDel(hostname, TORTURE_TEST_USER2);
	if (status) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserDel");
		goto out;
	}

	/* should not exist anymore */

	status = NetUserGetInfo(hostname, TORTURE_TEST_USER2, 0, &buffer);
	if (status == 0) {
		NETAPI_STATUS(tctx, ctx, status, "NetUserGetInfo");
		status = -1;
		goto out;
	}

	status = test_netusermodals(tctx, ctx, hostname);
	if (status) {
		goto out;
	}

	status = 0;

	torture_comment(tctx, "NetUser tests succeeded\n");
 out:
	/* cleanup */
	NetUserDel(hostname, TORTURE_TEST_USER);
	NetUserDel(hostname, TORTURE_TEST_USER2);

	if (status != 0) {
		torture_comment(tctx, "NetUser testsuite failed with: %s\n",
			libnetapi_get_error_string(ctx, status));
		libnetapi_free(ctx);
		return false;
	}

	libnetapi_free(ctx);
	return true;
}