#include "config.h"

#define LIBSSH_STATIC

#include "torture.h"
#include "sftp.c"

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

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

    return 0;
}

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

    return 0;
}

static void session_setup(void **state)
{
    struct torture_state *s = *state;
    struct passwd *pwd;
    int rc;

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

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

    s->ssh.session = torture_ssh_session(s,
                                         TORTURE_SSH_SERVER,
                                         NULL,
                                         TORTURE_SSH_USER_ALICE,
                                         NULL);
    assert_non_null(s->ssh.session);

    s->ssh.tsftp = torture_sftp_session(s->ssh.session);
    assert_non_null(s->ssh.tsftp);
}

static void session_setup_channel(void **state)
{
    struct torture_state *s = *state;
    struct passwd *pwd = NULL;
    ssh_channel c = NULL;
    int rc;

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

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

    s->ssh.session = torture_ssh_session(s,
                                         TORTURE_SSH_SERVER,
                                         NULL,
                                         TORTURE_SSH_USER_ALICE,
                                         NULL);
    assert_non_null(s->ssh.session);

    c = ssh_channel_new(s->ssh.session);
    assert_non_null(c);

    s->ssh.tsftp = torture_sftp_session_channel(s->ssh.session, c);
    assert_non_null(s->ssh.tsftp);
}

static void session_setup_extensions(void **state)
{
    struct torture_state *s = *state;
    struct passwd *pwd = NULL;
    int rc, count;
    const char *name = NULL, *data = NULL;
    sftp_session sftp = NULL;

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

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

    s->ssh.session = torture_ssh_session(s,
                                         TORTURE_SSH_SERVER,
                                         NULL,
                                         TORTURE_SSH_USER_ALICE,
                                         NULL);
    assert_non_null(s->ssh.session);

    s->ssh.tsftp = torture_sftp_session(s->ssh.session);
    assert_non_null(s->ssh.tsftp);
    sftp = s->ssh.tsftp->sftp;

    /* null parameter */
    count = sftp_extensions_get_count(NULL);
    assert_int_equal(count, 0);

    count = sftp_extensions_get_count(sftp);
    assert_int_not_equal(count, 0);

    /* first null parameter */
    name = sftp_extensions_get_name(NULL, 0);
    assert_null(name);
    data = sftp_extensions_get_data(NULL, 0);
    assert_null(data);

    /* First extension */
    name = sftp_extensions_get_name(sftp, 0);
    assert_non_null(name);
    data = sftp_extensions_get_data(sftp, 0);
    assert_non_null(data);

    /* Last extension */
    name = sftp_extensions_get_name(sftp, count - 1);
    assert_non_null(name);
    data = sftp_extensions_get_data(sftp, count - 1);
    assert_non_null(data);

    /* Overrun */
    name = sftp_extensions_get_name(sftp, count);
    assert_null(name);
    data = sftp_extensions_get_data(sftp, count);
    assert_null(data);
}

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

    torture_rmdirs(s->ssh.tsftp->testdir);
    torture_sftp_close(s->ssh.tsftp);
    ssh_disconnect(s->ssh.session);
    ssh_free(s->ssh.session);

    return 0;
}

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

    ssh_init();

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

    ssh_finalize();

    return rc;
}