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#define LIBSSH_STATIC

#ifndef _WIN32
#define _POSIX_PTHREAD_SEMANTICS
# include <pwd.h>
#endif

#include "torture.h"
#include <libssh/session.h>
#include <libssh/misc.h>

static int setup(void **state)
{
    ssh_session session = ssh_new();
    *state = session;

    return 0;
}

static int teardown(void **state)
{
    ssh_free(*state);

    return 0;
}

static void torture_options_set_host(void **state) {
    ssh_session session = *state;
    int rc;

    rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
    assert_true(rc == 0);
    assert_string_equal(session->opts.host, "localhost");

    rc = ssh_options_set(session, SSH_OPTIONS_HOST, "guru@meditation");
    assert_true(rc == 0);
    assert_string_equal(session->opts.host, "meditation");
    assert_string_equal(session->opts.username, "guru");
}

static void torture_options_get_host(void **state) {
    ssh_session session = *state;
    int rc;
    char* host = NULL;

    rc = ssh_options_set(session, SSH_OPTIONS_HOST, "localhost");
    assert_true(rc == 0);
    assert_string_equal(session->opts.host, "localhost");

    assert_false(ssh_options_get(session, SSH_OPTIONS_HOST, &host));

    assert_string_equal(host, "localhost");
    free(host);
}

static void torture_options_set_port(void **state) {
    ssh_session session = *state;
    int rc;
    unsigned int port = 42;

    rc = ssh_options_set(session, SSH_OPTIONS_PORT, &port);
    assert_true(rc == 0);
    assert_true(session->opts.port == port);

    rc = ssh_options_set(session, SSH_OPTIONS_PORT_STR, "23");
    assert_true(rc == 0);
    assert_true(session->opts.port == 23);

    rc = ssh_options_set(session, SSH_OPTIONS_PORT_STR, "five");
    assert_true(rc == -1);

    rc = ssh_options_set(session, SSH_OPTIONS_PORT, NULL);
    assert_true(rc == -1);
}

static void torture_options_get_port(void **state) {
  ssh_session session = *state;
  unsigned int given_port = 1234;
  unsigned int port_container;
  int rc;
  rc = ssh_options_set(session, SSH_OPTIONS_PORT, &given_port);
  assert_true(rc == 0);
  rc = ssh_options_get_port(session, &port_container);
  assert_true(rc == 0);
  assert_int_equal(port_container, 1234);
}

static void torture_options_get_user(void **state) {
  ssh_session session = *state;
  char* user = NULL;
  int rc;
  rc = ssh_options_set(session, SSH_OPTIONS_USER, "magicaltrevor");
  assert_true(rc == SSH_OK);
  rc = ssh_options_get(session, SSH_OPTIONS_USER, &user);
  assert_string_equal(user, "magicaltrevor");
  free(user);
}

static void torture_options_set_fd(void **state) {
    ssh_session session = *state;
    socket_t fd = 42;
    int rc;

    rc = ssh_options_set(session, SSH_OPTIONS_FD, &fd);
    assert_true(rc == 0);
    assert_true(session->opts.fd == fd);

    rc = ssh_options_set(session, SSH_OPTIONS_FD, NULL);
    assert_true(rc == SSH_ERROR);
    assert_true(session->opts.fd == SSH_INVALID_SOCKET);
}

static void torture_options_set_user(void **state) {
    ssh_session session = *state;
    int rc;
#ifndef _WIN32
# ifndef NSS_BUFLEN_PASSWD
#  define NSS_BUFLEN_PASSWD 4096
# endif /* NSS_BUFLEN_PASSWD */
    struct passwd pwd;
    struct passwd *pwdbuf;
    char buf[NSS_BUFLEN_PASSWD];

    /* get local username */
    rc = getpwuid_r(getuid(), &pwd, buf, NSS_BUFLEN_PASSWD, &pwdbuf);
    assert_true(rc == 0);
#endif /* _WIN32 */

    rc = ssh_options_set(session, SSH_OPTIONS_USER, "guru");
    assert_true(rc == 0);
    assert_string_equal(session->opts.username, "guru");


    rc = ssh_options_set(session, SSH_OPTIONS_USER, NULL);
    assert_true(rc == 0);

#ifndef _WIN32
    assert_string_equal(session->opts.username, pwd.pw_name);
#endif
}

/* TODO */
#if 0
static voidtorture_options_set_sshdir)
{
}
END_TEST
#endif

static void torture_options_set_identity(void **state) {
    ssh_session session = *state;
    int rc;

    rc = ssh_options_set(session, SSH_OPTIONS_ADD_IDENTITY, "identity1");
    assert_true(rc == 0);
    assert_string_equal(session->opts.identity->root->data, "identity1");

    rc = ssh_options_set(session, SSH_OPTIONS_IDENTITY, "identity2");
    assert_true(rc == 0);
    assert_string_equal(session->opts.identity->root->data, "identity2");
    assert_string_equal(session->opts.identity->root->next->data, "identity1");
}

static void torture_options_get_identity(void **state) {
    ssh_session session = *state;
    char *identity = NULL;
    int rc;

    rc = ssh_options_set(session, SSH_OPTIONS_ADD_IDENTITY, "identity1");
    assert_true(rc == 0);
    rc = ssh_options_get(session, SSH_OPTIONS_IDENTITY, &identity);
    assert_true(rc == SSH_OK);
    assert_string_equal(identity, "identity1");
    SAFE_FREE(identity);

    rc = ssh_options_set(session, SSH_OPTIONS_IDENTITY, "identity2");
    assert_true(rc == 0);
    assert_string_equal(session->opts.identity->root->data, "identity2");
    rc = ssh_options_get(session, SSH_OPTIONS_IDENTITY, &identity);
    assert_true(rc == SSH_OK);
    assert_string_equal(identity, "identity2");
    free(identity);
}

static void torture_options_proxycommand(void **state) {
    ssh_session session = *state;
    int rc;

    /* Enable ProxyCommand */
    rc = ssh_options_set(session, SSH_OPTIONS_PROXYCOMMAND, "ssh -q -A -X -W %h:%p JUMPHOST");
    assert_int_equal(rc, 0);

    assert_string_equal(session->opts.ProxyCommand, "ssh -q -A -X -W %h:%p JUMPHOST");

    /* Disable ProxyCommand */
    rc = ssh_options_set(session, SSH_OPTIONS_PROXYCOMMAND, "none");
    assert_int_equal(rc, 0);

    assert_null(session->opts.ProxyCommand);
}


#ifdef WITH_SERVER
/* sshbind options */
static int sshbind_setup(void **state)
{
    ssh_bind bind = ssh_bind_new();
    *state = bind;
    return 0;
}

static int sshbind_teardown(void **state)
{
    ssh_bind_free(*state);
    return 0;
}

static void torture_bind_options_import_key(void **state)
{
    ssh_bind bind = *state;
    int rc;
    const char *base64_key;
    ssh_key key = ssh_key_new();

    /* set null */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, NULL);
    assert_int_equal(rc, -1);
    /* set invalid key */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, -1);
    ssh_key_free(key);

    /* set rsa key */
    base64_key = torture_get_testkey(SSH_KEYTYPE_RSA, 0, 0);
    ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
    /* set dsa key */
    base64_key = torture_get_testkey(SSH_KEYTYPE_DSS, 0, 0);
    ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
    /* set ecdsa key */
    base64_key = torture_get_testkey(SSH_KEYTYPE_ECDSA, 512, 0);
    ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
}
#endif /* WITH_SERVER */


int torture_run_tests(void) {
    int rc;
    struct CMUnitTest tests[] = {
        cmocka_unit_test_setup_teardown(torture_options_set_host, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_host, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_port, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_port, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_fd, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_user, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_user, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_identity, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_identity, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_proxycommand, setup, teardown),
    };

#ifdef WITH_SERVER
    struct CMUnitTest sshbind_tests[] = {
        cmocka_unit_test_setup_teardown(torture_bind_options_import_key, sshbind_setup, sshbind_teardown),
    };
#endif /* WITH_SERVER */

    ssh_init();
    torture_filter_tests(tests);
    rc = cmocka_run_group_tests(tests, NULL, NULL);
#ifdef WITH_SERVER
    rc += cmocka_run_group_tests(sshbind_tests, NULL, NULL);
#endif /* WITH_SERVER */
    ssh_finalize();
    return rc;
}