/*
 * torture_client_global_requests.c - Tests for client global requests
 *
 * This file is part of the SSH Library
 *
 * Copyright (c) 2019 by Red Hat, Inc.
 *
 * Author: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
 *
 * The SSH Library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or (at your
 * option) any later version.
 *
 * The SSH Library 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the SSH Library; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

#include "config.h"

#define LIBSSH_STATIC

#include "torture.h"
#include "libssh/libssh.h"
#include "libssh/priv.h"
#include "libssh/session.h"
#include "libssh/channels.h"

#include <errno.h>
#include <sys/types.h>
#include <pwd.h>

static int sshd_setup(void **state)
{
    torture_setup_sshd_server(state, true);

    return 0;
}

static int sshd_teardown(void **state)
{
    torture_teardown_sshd_server(state);

    return 0;
}

static int session_setup(void **state)
{
    struct torture_state *s = *state;
    int verbosity = torture_libssh_verbosity();
    struct passwd *pwd;
    bool b = false;
    int rc;

    pwd = getpwnam("bob");
    assert_non_null(pwd);

    rc = setuid(pwd->pw_uid);
    assert_return_code(rc, errno);

    s->ssh.session = ssh_new();
    assert_non_null(s->ssh.session);

    ssh_options_set(s->ssh.session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
    ssh_options_set(s->ssh.session, SSH_OPTIONS_HOST, TORTURE_SSH_SERVER);

    /* Make sure no other configuration options from system will get used */
    rc = ssh_options_set(s->ssh.session, SSH_OPTIONS_PROCESS_CONFIG, &b);
    assert_ssh_return_code(s->ssh.session, rc);

    return 0;
}

static int session_teardown(void **state)
{
    struct torture_state *s = *state;

    ssh_disconnect(s->ssh.session);
    ssh_free(s->ssh.session);

    return 0;
}

static int authenticate(void **state)
{
    struct torture_state *s = *state;
    ssh_session session = s->ssh.session;
    int rc;

    rc = ssh_options_set(session, SSH_OPTIONS_USER, TORTURE_SSH_USER_BOB);
    assert_int_equal(rc, SSH_OK);

    rc = ssh_connect(session);
    assert_int_equal(rc, SSH_OK);

    rc = ssh_userauth_password(session, NULL, TORTURE_SSH_USER_BOB_PASSWORD);
    assert_int_equal(rc, SSH_AUTH_SUCCESS);

    return rc;
}

static void torture_unknown_request(void **state)
{
    struct torture_state *s = *state;
    ssh_session session = s->ssh.session;
    ssh_channel channel;
    int rc;

    rc = authenticate(state);
    assert_ssh_return_code(session, rc);

    /* Request asking for reply */
    rc = ssh_global_request(session, "unknown-request-00@test.com", NULL, 1);
    assert_ssh_return_code_equal(session, rc, SSH_ERROR);

    /* Request and don't ask for reply */
    rc = ssh_global_request(session, "another-bad-req-00@test.com", NULL, 0);
    assert_ssh_return_code(session, rc);

    /* Open channel to make sure the session is still working */
    channel = ssh_channel_new(session);
    assert_non_null(channel);

    rc = ssh_channel_open_session(channel);
    assert_ssh_return_code(session, rc);

    ssh_channel_close(channel);
}

int torture_run_tests(void)
{
    int rc;
    struct CMUnitTest tests[] = {
        cmocka_unit_test_setup_teardown(torture_unknown_request,
                                        session_setup,
                                        session_teardown),
    };

    ssh_init();
    torture_filter_tests(tests);
    rc = cmocka_run_group_tests(tests, sshd_setup, sshd_teardown);
    ssh_finalize();

    return rc;
}