libssh/tests/unittests/torture_options.c

#include "config.h"

#define LIBSSH_STATIC

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

#include "torture.h"
#include "torture_key.h"
#include <libssh/session.h>
#include <libssh/misc.h>
#include <libssh/pki_priv.h>
#include <libssh/options.h>
#ifdef WITH_SERVER
#include <libssh/bind.h>
#define LIBSSH_CUSTOM_BIND_CONFIG_FILE "my_bind_config"
#endif
#ifdef HAVE_DSA
#define LIBSSH_DSA_TESTKEY        "libssh_testkey.id_dsa"
#endif
#define LIBSSH_RSA_TESTKEY        "libssh_testkey.id_rsa"
#define LIBSSH_ED25519_TESTKEY    "libssh_testkey.id_ed25519"
#ifdef HAVE_ECC
#define LIBSSH_ECDSA_521_TESTKEY  "libssh_testkey.id_ecdsa521"
#endif

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

    session = ssh_new();

    verbosity = torture_libssh_verbosity();
    ssh_options_set(session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);

    session->client = 1;

    *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_non_null(session->opts.host);
    assert_string_equal(session->opts.host, "localhost");

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

    rc = ssh_options_set(session, SSH_OPTIONS_HOST, "at@login@hostname");
    assert_true(rc == 0);
    assert_non_null(session->opts.host);
    assert_string_equal(session->opts.host, "hostname");
    assert_non_null(session->opts.username);
    assert_string_equal(session->opts.username, "at@login");
}

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

    /* Test known ciphers */
    rc = ssh_options_set(session, SSH_OPTIONS_CIPHERS_C_S,
                         "aes128-ctr,aes192-ctr,aes256-ctr");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_CRYPT_C_S]);
    if (ssh_fips_mode()) {
        assert_string_equal(session->opts.wanted_methods[SSH_CRYPT_C_S],
                            "aes128-ctr,aes256-ctr");
    } else {
        assert_string_equal(session->opts.wanted_methods[SSH_CRYPT_C_S],
                            "aes128-ctr,aes192-ctr,aes256-ctr");
    }

    /* Test one unknown cipher */
    rc = ssh_options_set(session, SSH_OPTIONS_CIPHERS_C_S,
                         "aes128-ctr,unknown-crap@example.com,aes256-ctr");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_CRYPT_C_S]);
    assert_string_equal(session->opts.wanted_methods[SSH_CRYPT_C_S],
                        "aes128-ctr,aes256-ctr");

    /* Test all unknown ciphers */
    rc = ssh_options_set(session, SSH_OPTIONS_CIPHERS_C_S,
                         "unknown-crap@example.com,more-crap@example.com");
    assert_false(rc == 0);
}

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

    /* Test known kexes */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_KEY_EXCHANGE,
                         "curve25519-sha256,curve25519-sha256@libssh.org,"
                         "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                         "diffie-hellman-group18-sha512,"
                         "diffie-hellman-group14-sha256,"
                         "diffie-hellman-group14-sha1");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_KEX]);
    if (ssh_fips_mode()) {
        assert_string_equal(session->opts.wanted_methods[SSH_KEX],
                            "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                            "diffie-hellman-group18-sha512,"
                            "diffie-hellman-group14-sha256");
    } else {
        assert_string_equal(session->opts.wanted_methods[SSH_KEX],
                            "curve25519-sha256,curve25519-sha256@libssh.org,"
                            "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                            "diffie-hellman-group18-sha512,"
                            "diffie-hellman-group14-sha256,"
                            "diffie-hellman-group14-sha1");
    }

    /* Test one unknown kex */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_KEY_EXCHANGE,
                         "diffie-hellman-group16-sha512,"
                         "unknown-crap@example.com,"
                         "diffie-hellman-group18-sha512");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_KEX]);
    assert_string_equal(session->opts.wanted_methods[SSH_KEX],
                        "diffie-hellman-group16-sha512,"
                        "diffie-hellman-group18-sha512");

    /* Test all unknown kexes */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_KEY_EXCHANGE,
                         "unknown-crap@example.com,more-crap@example.com");
    assert_false(rc == 0);
}

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

    /* Test known host keys */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_HOSTKEYS,
                         "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_HOSTKEYS]);
    if (ssh_fips_mode()) {
        assert_string_equal(session->opts.wanted_methods[SSH_HOSTKEYS],
                "ecdsa-sha2-nistp384");
    } else {
        assert_string_equal(session->opts.wanted_methods[SSH_HOSTKEYS],
                "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    }

    /* Test one unknown host key */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_HOSTKEYS,
                         "ecdsa-sha2-nistp521,"
                         "unknown-crap@example.com,"
                         "rsa-sha2-256");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_HOSTKEYS]);
    assert_string_equal(session->opts.wanted_methods[SSH_HOSTKEYS],
                        "ecdsa-sha2-nistp521,"
                        "rsa-sha2-256");

    /* Test all unknown host keys */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_HOSTKEYS,
                         "unknown-crap@example.com,more-crap@example.com");
    assert_false(rc == 0);
}

static void torture_options_set_pubkey_accepted_types(void **state) {
    ssh_session session = *state;
    int rc;
    enum ssh_digest_e type;

    /* Test known public key algorithms */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
                         "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    assert_true(rc == 0);
    assert_non_null(session->opts.pubkey_accepted_types);
    if (ssh_fips_mode()) {
        assert_string_equal(session->opts.pubkey_accepted_types,
                            "ecdsa-sha2-nistp384");
    } else {
        assert_string_equal(session->opts.pubkey_accepted_types,
                            "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    }

    if (!ssh_fips_mode()) {
        /* Test one unknown public key algorithms */
        rc = ssh_options_set(session,
                             SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
                             "ssh-ed25519,unknown-crap@example.com,ssh-rsa");
        assert_true(rc == 0);
        assert_non_null(session->opts.pubkey_accepted_types);
        assert_string_equal(session->opts.pubkey_accepted_types,
                            "ssh-ed25519,ssh-rsa");

        /* Test all unknown public key algorithms */
        rc = ssh_options_set(session,
                             SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
                             "unknown-crap@example.com,more-crap@example.com");
        assert_false(rc == 0);

        /* Test that the option affects the algorithm selection for RSA keys */
        /* simulate the SHA2 extension was negotiated */
        session->extensions = SSH_EXT_SIG_RSA_SHA256;

        /* previous configuration did not list the SHA2 extension algoritms, so
         * it should not be used */
        type = ssh_key_type_to_hash(session, SSH_KEYTYPE_RSA);
        assert_int_equal(type, SSH_DIGEST_SHA1);
    }

    /* now, lets allow the signature from SHA2 extension and expect
     * it to be used */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
                         "rsa-sha2-256,ssh-rsa");
    assert_true(rc == 0);
    assert_non_null(session->opts.pubkey_accepted_types);
    if (ssh_fips_mode()) {
        assert_string_equal(session->opts.pubkey_accepted_types,
                "rsa-sha2-256");
    } else {
        assert_string_equal(session->opts.pubkey_accepted_types,
                "rsa-sha2-256,ssh-rsa");
    }

    /* Test that the option affects the algorithm selection for RSA keys */
    /* simulate the SHA2 extension was negotiated */
    session->extensions = SSH_EXT_SIG_RSA_SHA256;

    type = ssh_key_type_to_hash(session, SSH_KEYTYPE_RSA);
    assert_int_equal(type, SSH_DIGEST_SHA256);
}

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

    /* Test known MACs */
    rc = ssh_options_set(session, SSH_OPTIONS_HMAC_S_C, "hmac-sha1");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(session->opts.wanted_methods[SSH_MAC_S_C], "hmac-sha1");

    /* Test multiple known MACs */
    rc = ssh_options_set(session,
                         SSH_OPTIONS_HMAC_S_C,
                         "hmac-sha1-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha1,hmac-sha2-256");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(session->opts.wanted_methods[SSH_MAC_S_C],
                        "hmac-sha1-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha1,hmac-sha2-256");

    /* Test unknown MACs */
    rc = ssh_options_set(session, SSH_OPTIONS_HMAC_S_C, "unknown-crap@example.com,hmac-sha1-etm@openssh.com,unknown@example.com");
    assert_true(rc == 0);
    assert_non_null(session->opts.wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(session->opts.wanted_methods[SSH_MAC_S_C], "hmac-sha1-etm@openssh.com");

    /* Test all unknown MACs */
    rc = ssh_options_set(session, SSH_OPTIONS_HMAC_S_C, "unknown-crap@example.com");
    assert_false(rc == 0);
}

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_int_equal(rc, SSH_OK);
  rc = ssh_options_get(session, SSH_OPTIONS_USER, &user);
  assert_int_equal(rc, SSH_OK);
  assert_non_null(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_int_equal(rc, SSH_OK);
    assert_non_null(identity);
    assert_string_equal(identity, "identity1");
    SAFE_FREE(identity);

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

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

    rc = ssh_options_set(session,
                         SSH_OPTIONS_GLOBAL_KNOWNHOSTS,
                         "/etc/libssh/known_hosts");
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.global_knownhosts,
                        "/etc/libssh/known_hosts");
}

static void torture_options_get_global_knownhosts(void **state)
{
    ssh_session session = *state;
    char *str = NULL;
    int rc;

    rc = ssh_options_set(session,
                         SSH_OPTIONS_GLOBAL_KNOWNHOSTS,
                         "/etc/libssh/known_hosts");
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.global_knownhosts,
                        "/etc/libssh/known_hosts");


    rc = ssh_options_get(session, SSH_OPTIONS_GLOBAL_KNOWNHOSTS, &str);
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.global_knownhosts,
                        "/etc/libssh/known_hosts");

    SSH_STRING_FREE_CHAR(str);
}

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

    rc = ssh_options_set(session,
                         SSH_OPTIONS_KNOWNHOSTS,
                         "/home/libssh/.ssh/known_hosts");
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.knownhosts,
                        "/home/libssh/.ssh/known_hosts");

    /* The NULL value should not crash the libssh */
    rc = ssh_options_set(session, SSH_OPTIONS_KNOWNHOSTS, NULL);
    assert_ssh_return_code(session, rc);
    assert_null(session->opts.knownhosts);

    /* ssh_options_apply() should set the path to correct value */
    rc = ssh_options_apply(session);
    assert_ssh_return_code(session, rc);
    assert_non_null(session->opts.knownhosts);
}

static void torture_options_get_knownhosts(void **state)
{
    ssh_session session = *state;
    char *str = NULL;
    int rc;

    rc = ssh_options_set(session,
                         SSH_OPTIONS_KNOWNHOSTS,
                         "/home/libssh/.ssh/known_hosts");
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.knownhosts,
                        "/home/libssh/.ssh/known_hosts");


    rc = ssh_options_get(session, SSH_OPTIONS_KNOWNHOSTS, &str);
    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.knownhosts,
                        "/home/libssh/.ssh/known_hosts");

    SSH_STRING_FREE_CHAR(str);
}

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);
}

static void torture_options_config_host(void **state) {
    ssh_session session = *state;
    FILE *config = NULL;

    /* create a new config file */
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Host testhost1\nPort 42\n"
          "Host testhost2,testhost3\nPort 43\n"
          "Host testhost4 testhost5\nPort 44\n",
          config);
    fclose(config);

    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost1");
    ssh_options_parse_config(session, "test_config");

    assert_int_equal(session->opts.port, 42);

    torture_reset_config(session);
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost2");
    ssh_options_parse_config(session, "test_config");
    assert_int_equal(session->opts.port, 43);

    session->opts.port = 0;

    torture_reset_config(session);
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost3");
    ssh_options_parse_config(session, "test_config");
    assert_int_equal(session->opts.port, 43);

    torture_reset_config(session);
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost4");
    ssh_options_parse_config(session, "test_config");
    assert_int_equal(session->opts.port, 44);

    session->opts.port = 0;

    torture_reset_config(session);
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost5");
    ssh_options_parse_config(session, "test_config");
    assert_int_equal(session->opts.port, 44);

    unlink("test_config");
}

static void torture_options_config_match(void **state)
{
    ssh_session session = *state;
    char *localuser = NULL;
    FILE *config = NULL;
    int rv;

    /* Required for options_parse_config() */
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost1");

    /* The Match keyword requires argument */
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_ERROR);

    /* The Match all keyword needs to be the only one (start) */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match all host local\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_ERROR);

    /* The Match all keyword needs to be the only one (end) */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match host local all\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_ERROR);

    /* The Match host keyword requires an argument */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match host\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_ERROR);

    /* The Match user keyword requires an argument */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match user\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_ERROR);

    /* The Match canonical keyword is the same as match all */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match canonical\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code_equal(session, rv, SSH_OK);
    assert_int_equal(session->opts.port, 33);

    session->opts.port = 0;

    /* The Match originalhost keyword is ignored */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match originalhost origin\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
    assert_int_equal(session->opts.port, 34);

    session->opts.port = 0;

    /* The Match localuser keyword */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match localuser ", config);
    localuser = ssh_get_local_username();
    assert_non_null(localuser);
    fputs(localuser, config);
    free(localuser);
    fputs("\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
    assert_int_equal(session->opts.port, 33);

    session->opts.port = 0;

    /* The Match exec keyword */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match exec true\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
#ifdef _WIN32
    /* The match exec is not supported on windows at this moment */
    assert_int_equal(session->opts.port, 34);
#else
    assert_int_equal(session->opts.port, 33);
#endif

    session->opts.port = 0;

    /* Commands containing whitespace characters must be quoted. */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match exec \"true 1\"\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
#ifdef _WIN32
    /* The match exec is not supported on windows at this moment */
    assert_int_equal(session->opts.port, 34);
#else
    assert_int_equal(session->opts.port, 33);
#endif

    session->opts.port = 0;

    unlink("test_config");
}

static void torture_options_config_match_multi(void **state)
{
    ssh_session session = *state;
    FILE *config = NULL;
    struct stat sb;
    int rv;

    /* Required for options_parse_config() */
    ssh_options_set(session, SSH_OPTIONS_HOST, "testhost1");

    /* Exec is not executed when it can not be matched */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match host wronghost exec \"touch test_config_wrong\"\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
    assert_int_equal(session->opts.port, 34);
    assert_int_equal(stat("test_config_wrong", &sb), -1);

    session->opts.port = 0;

    /* After matching exec, other conditions can be used */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match exec true host testhost1\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
#ifdef _WIN32
    /* The match exec is not supported on windows at this moment */
    assert_int_equal(session->opts.port, 34);
#else
    assert_int_equal(session->opts.port, 33);
#endif

    /* After matching exec, other conditions can be used */
    torture_reset_config(session);
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("Match exec true host otherhost\n"
          "\tPort 33\n"
          "Match all\n"
          "\tPort 34\n",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);
    assert_int_equal(session->opts.port, 34);

    unlink("test_config");
}

static void torture_options_copy(void **state)
{
    ssh_session session = *state, new = NULL;
    struct ssh_iterator *it = NULL, *it2 = NULL;
    FILE *config = NULL;
    int i, level = 9;
    int rv;

    /* Required for options_parse_config() */
    ssh_options_set(session, SSH_OPTIONS_HOST, "example");

    /* Impossible to set through the configuration */
    rv = ssh_options_set(session, SSH_OPTIONS_COMPRESSION_LEVEL, &level);
    assert_ssh_return_code(session, rv);
    level = 1;
    rv = ssh_options_set(session, SSH_OPTIONS_NODELAY, &level);
    assert_ssh_return_code(session, rv);

    /* The Match keyword requires argument */
    config = fopen("test_config", "w");
    assert_non_null(config);
    fputs("IdentityFile ~/.ssh/id_ecdsa\n"
          "User tester\n"
          "Hostname example.com\n"
          "BindAddress 127.0.0.2\n"
          "GlobalKnownHostsFile /etc/ssh/known_hosts2\n"
          "UserKnownHostsFile ~/.ssh/known_hosts2\n"
          "KexAlgorithms curve25519-sha256,ecdh-sha2-nistp521\n"
          "Ciphers aes256-ctr\n"
          "MACs hmac-sha2-256\n"
          "HostKeyAlgorithms ssh-ed25519,ecdsa-sha2-nistp521\n"
          "Compression yes\n"
          "PubkeyAcceptedAlgorithms ssh-ed25519,ecdsa-sha2-nistp521\n"
          "ProxyCommand nc 127.0.0.10 22\n"
          /* ops.custombanner */
          "ConnectTimeout 42\n"
          "Port 222\n"
          "StrictHostKeyChecking no\n"
          "GSSAPIServerIdentity my.example.com\n"
          "GSSAPIClientIdentity home.sweet\n"
          "GSSAPIDelegateCredentials yes\n"
          "PubkeyAuthentication yes\n" /* sets flags */
          "GSSAPIAuthentication no\n" /* sets flags */
          "",
          config);
    fclose(config);

    rv = ssh_options_parse_config(session, "test_config");
    assert_ssh_return_code(session, rv);

    rv = ssh_options_copy(session, &new);
    assert_ssh_return_code(session, rv);
    assert_non_null(new);

    /* Check the identities match */
    it = ssh_list_get_iterator(session->opts.identity);
    assert_non_null(it);
    it2 = ssh_list_get_iterator(new->opts.identity);
    assert_non_null(it2);
    while (it != NULL && it2 != NULL) {
        assert_string_equal(it->data, it2->data);
        it = it->next;
        it2 = it2->next;
    }
    assert_null(it);
    assert_null(it2);

    assert_string_equal(session->opts.username, new->opts.username);
    assert_string_equal(session->opts.host, new->opts.host);
    assert_string_equal(session->opts.bindaddr, new->opts.bindaddr);
    assert_string_equal(session->opts.sshdir, new->opts.sshdir);
    assert_string_equal(session->opts.knownhosts, new->opts.knownhosts);
    assert_string_equal(session->opts.global_knownhosts,
                        new->opts.global_knownhosts);
    for (i = 0; i < SSH_KEX_METHODS; i++) {
        if (session->opts.wanted_methods[i] == NULL) {
            assert_null(new->opts.wanted_methods[i]);
        } else {
            assert_string_equal(session->opts.wanted_methods[i],
                                new->opts.wanted_methods[i]);
        }
    }
    assert_string_equal(session->opts.pubkey_accepted_types,
                        new->opts.pubkey_accepted_types);
    assert_string_equal(session->opts.ProxyCommand, new->opts.ProxyCommand);
    /* TODO custombanner */
    assert_int_equal(session->opts.timeout, new->opts.timeout);
    assert_int_equal(session->opts.timeout_usec, new->opts.timeout_usec);
    assert_int_equal(session->opts.port, new->opts.port);
    assert_int_equal(session->opts.StrictHostKeyChecking,
                     new->opts.StrictHostKeyChecking);
    assert_int_equal(session->opts.compressionlevel,
                     new->opts.compressionlevel);
    assert_string_equal(session->opts.gss_server_identity,
                        new->opts.gss_server_identity);
    assert_string_equal(session->opts.gss_client_identity,
                        new->opts.gss_client_identity);
    assert_int_equal(session->opts.gss_delegate_creds,
                     new->opts.gss_delegate_creds);
    assert_int_equal(session->opts.flags, new->opts.flags);
    assert_int_equal(session->opts.nodelay, new->opts.nodelay);
    assert_true(session->opts.config_processed == new->opts.config_processed);
    assert_memory_equal(session->opts.options_seen, new->opts.options_seen,
                        sizeof(session->opts.options_seen));

    ssh_free(new);
}

#define EXECUTABLE_NAME "test-exec"
static void torture_options_getopt(void **state)
{
    ssh_session session = *state;
    int rc;
    int previous_level, new_level;
    const char *argv[] = {EXECUTABLE_NAME, "-l", "username", "-p", "222",
                    "-vv", "-v", "-r", "-c", "aes128-ctr",
                    "-i", "id_rsa", "-C", "-2", "-1", NULL};
    int argc = sizeof(argv)/sizeof(char *) - 1;
    const char *argv_invalid[] = {EXECUTABLE_NAME, "-r", "-d", NULL};

    previous_level = ssh_get_log_level();

    /* Test with all the supported options */
    rc = ssh_options_getopt(session, &argc, (char **)argv);
#ifdef _MSC_VER
    /* Not supported in windows */
    assert_ssh_return_code_equal(session, rc, -1);
#else
    assert_ssh_return_code(session, rc);

    /* Restore the log level to previous value first */
    new_level = ssh_get_log_level();
    assert_int_equal(new_level, 3); /* 2 + 1 -v's */
    rc = ssh_set_log_level(previous_level);
    assert_int_equal(rc, SSH_OK);

    assert_ssh_return_code(session, rc);
    assert_string_equal(session->opts.username, "username");
    assert_int_equal(session->opts.port, 222);
    /* The -r (usersa) is noop */
    assert_string_equal(session->opts.wanted_methods[SSH_CRYPT_C_S],
                        "aes128-ctr");
    assert_string_equal(session->opts.wanted_methods[SSH_CRYPT_S_C],
                        "aes128-ctr");
    assert_string_equal(session->opts.identity->root->data, "id_rsa");
#ifdef WITH_ZLIB
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "zlib@openssh.com,zlib,none");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "zlib@openssh.com,zlib,none");
#else
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "none");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "none");
#endif
    /* -1 and -2 are noop */


    /* It should ignore unknown arguments */
    argv[1] = "-F";
    argv[2] = "config_file";
    argv[3] = NULL;
    argc = 3;
    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 3);
    assert_string_equal(argv[0], EXECUTABLE_NAME);
    assert_string_equal(argv[1], "-F");
    assert_string_equal(argv[2], "config_file");


    /* It should not mess with unknown arguments order */
    argv[1] = "-F";
    argv[2] = "config_file";
    argv[3] = "-M";
    argv[4] = "hmac-sha1";
    argv[5] = "-X";
    argv[6] = NULL;
    argc = 6;
    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 6);
    assert_string_equal(argv[0], EXECUTABLE_NAME);
    assert_string_equal(argv[1], "-F");
    assert_string_equal(argv[2], "config_file");
    assert_string_equal(argv[3], "-M");
    assert_string_equal(argv[4], "hmac-sha1");
    assert_string_equal(argv[5], "-X");


    /* Trailing arguments should be passed as they are */
    argv[1] = "-F";
    argv[2] = "config_file";
    argv[3] = "-M";
    argv[4] = "hmac-sha1";
    argv[5] = "example.com";
    argv[6] = NULL;
    argc = 6;
    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 6);
    assert_string_equal(argv[0], EXECUTABLE_NAME);
    assert_string_equal(argv[1], "-F");
    assert_string_equal(argv[2], "config_file");
    assert_string_equal(argv[3], "-M");
    assert_string_equal(argv[4], "hmac-sha1");
    assert_string_equal(argv[5], "example.com");


    /* Invalid configuration combination -d and -r (for some reason?) */
    argc = 3;
    rc = ssh_options_getopt(session, &argc, (char **)argv_invalid);
    assert_ssh_return_code_equal(session, rc, SSH_ERROR);
    assert_int_equal(argc, 3);
    assert_string_equal(argv_invalid[0], EXECUTABLE_NAME);
    assert_string_equal(argv_invalid[1], "-r");
    assert_string_equal(argv_invalid[2], "-d");


    /* Corner case: only one argument */
    argv[1] = "-C";
    argv[2] = NULL;
    argc = 2;
    rc = ssh_options_set(session, SSH_OPTIONS_COMPRESSION, "no");
    assert_ssh_return_code(session, rc);
#ifdef WITH_ZLIB
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "none,zlib@openssh.com,zlib");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "none,zlib@openssh.com,zlib");
#else
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "none");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "none");
#endif

    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 1);
    assert_string_equal(argv[0], EXECUTABLE_NAME);
#ifdef WITH_ZLIB
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "zlib@openssh.com,zlib,none");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "zlib@openssh.com,zlib,none");
#else
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_C_S],
                        "none");
    assert_string_equal(session->opts.wanted_methods[SSH_COMP_S_C],
                        "none");
#endif

    /* Corner case: only hostname is not parsed */
    argv[1] = "example.com";
    argv[2] = NULL;
    argc = 2;
    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 2);
    assert_string_equal(argv[0], EXECUTABLE_NAME);
    assert_string_equal(argv[1], "example.com");

    /* Corner case: no arguments */
    argv[1] = NULL;
    argc = 1;
    rc = ssh_options_getopt(session, &argc, (char **)argv);
    assert_ssh_return_code(session, rc);
    assert_int_equal(argc, 1);
    assert_string_equal(argv[0], EXECUTABLE_NAME);

#endif /* _NSC_VER */
}

#ifdef WITH_SERVER
const char template[] = "temp_dir_XXXXXX";

struct bind_st {
    char *cwd;
    char *temp_dir;
    ssh_bind bind;
};

static int ssh_bind_setup_files(void **state)
{
    struct bind_st *test_state = NULL;
    char *cwd = NULL;
    char *tmp_dir = NULL;
    int rc = 0;

    test_state = (struct bind_st *)malloc(sizeof(struct bind_st));
    assert_non_null(test_state);

    cwd = torture_get_current_working_dir();
    assert_non_null(cwd);

    tmp_dir = torture_make_temp_dir(template);
    assert_non_null(tmp_dir);

    test_state->cwd = cwd;
    test_state->temp_dir = tmp_dir;

    *state = test_state;

    rc = torture_change_dir(tmp_dir);
    assert_int_equal(rc, 0);

    printf("Changed directory to: %s\n", tmp_dir);

    /* For ed25519 the test keys are not available in legacy PEM format. Using
     * the new OpenSSH format for all algorithms */
    torture_write_file(LIBSSH_RSA_TESTKEY,
                       torture_get_openssh_testkey(SSH_KEYTYPE_RSA, 0));

    torture_write_file(LIBSSH_ED25519_TESTKEY,
                       torture_get_openssh_testkey(SSH_KEYTYPE_ED25519, 0));
#ifdef HAVE_ECC
    torture_write_file(LIBSSH_ECDSA_521_TESTKEY,
                       torture_get_openssh_testkey(SSH_KEYTYPE_ECDSA_P521, 0));
#endif
#ifdef HAVE_DSA
    torture_write_file(LIBSSH_DSA_TESTKEY,
                       torture_get_openssh_testkey(SSH_KEYTYPE_DSS, 0));
#endif
    torture_write_file(LIBSSH_CUSTOM_BIND_CONFIG_FILE,
                       "Port 42\n");
    return 0;
}


/* sshbind options */
static int sshbind_setup(void **state)
{
    int rc;
    struct bind_st *test_state = NULL;

    rc = ssh_bind_setup_files((void **)&test_state);
    assert_int_equal(rc, 0);
    assert_non_null(test_state);

    test_state->bind = ssh_bind_new();
    assert_non_null(test_state->bind);

    *state = test_state;

    return 0;
}

static int sshbind_teardown(void **state)
{
    struct bind_st *test_state = NULL;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);

    assert_non_null(test_state);
    assert_non_null(test_state->cwd);
    assert_non_null(test_state->temp_dir);
    assert_non_null(test_state->bind);

    rc = torture_change_dir(test_state->cwd);
    assert_int_equal(rc, 0);

    rc = torture_rmdirs(test_state->temp_dir);
    assert_int_equal(rc, 0);

    SAFE_FREE(test_state->temp_dir);
    SAFE_FREE(test_state->cwd);
    ssh_bind_free(test_state->bind);
    SAFE_FREE(test_state);

    return 0;
}

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

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    /* 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);
    rc = ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    assert_int_equal(rc, SSH_OK);
    assert_non_null(key);

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
#ifdef HAVE_DSA
    /* set dsa key */
    base64_key = torture_get_testkey(SSH_KEYTYPE_DSS, 0);
    rc = ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    assert_int_equal(rc, SSH_OK);
    assert_non_null(key);

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
#endif
#ifdef HAVE_ECC
    /* set ecdsa key */
    base64_key = torture_get_testkey(SSH_KEYTYPE_ECDSA_P521, 0);
    rc = ssh_pki_import_privkey_base64(base64_key, NULL, NULL, NULL, &key);
    assert_int_equal(rc, SSH_OK);
    assert_non_null(key);

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_IMPORT_KEY, key);
    assert_int_equal(rc, 0);
#endif
}

static void torture_bind_options_hostkey(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    /* Test RSA key */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HOSTKEY,
                              LIBSSH_RSA_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->rsakey);
    assert_string_equal(bind->rsakey, LIBSSH_RSA_TESTKEY);

    /* Test ED25519 key */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HOSTKEY,
                              LIBSSH_ED25519_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->ed25519key);
    assert_string_equal(bind->ed25519key, LIBSSH_ED25519_TESTKEY);

#ifdef HAVE_ECC
    /* Test ECDSA key */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HOSTKEY,
                              LIBSSH_ECDSA_521_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->ecdsakey);
    assert_string_equal(bind->ecdsakey, LIBSSH_ECDSA_521_TESTKEY);
#endif
#ifdef HAVE_DSA
    /* Test DSA key */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HOSTKEY,
                              LIBSSH_DSA_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->dsakey);
    assert_string_equal(bind->dsakey, LIBSSH_DSA_TESTKEY);
#endif
}

static void torture_bind_options_bindaddr(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    const char *address = "127.0.0.1";

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_BINDADDR, address);
    assert_int_equal(rc, 0);
    assert_non_null(bind->bindaddr);
    assert_string_equal(bind->bindaddr, address);
}

static void torture_bind_options_bindport(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    unsigned int given_port = 1234;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_BINDPORT, &given_port);
    assert_int_equal(rc, 0);
    assert_int_equal(bind->bindport, 1234);
}

static void torture_bind_options_bindport_str(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_BINDPORT_STR, "23");
    assert_int_equal(rc, 0);
    assert_int_equal(bind->bindport, 23);
}

static void torture_bind_options_log_verbosity(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int verbosity = SSH_LOG_PACKET;
    int previous_level, new_level;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    previous_level = ssh_get_log_level();

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_LOG_VERBOSITY, &verbosity);
    assert_int_equal(rc, 0);

    new_level = ssh_get_log_level();
    assert_int_equal(new_level, verbosity);

    rc = ssh_set_log_level(previous_level);
    assert_int_equal(rc, SSH_OK);
}

static void torture_bind_options_log_verbosity_str(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;
    int previous_level, new_level;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    previous_level = ssh_get_log_level();

    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_LOG_VERBOSITY_STR, "3");
    assert_int_equal(rc, 0);

    new_level = ssh_get_log_level();
    assert_int_equal(new_level, SSH_LOG_PACKET);

    rc = ssh_set_log_level(previous_level);
    assert_int_equal(rc, SSH_OK);
}

#ifdef HAVE_DSA
static void torture_bind_options_dsakey(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_DSAKEY,
                              LIBSSH_DSA_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->dsakey);
    assert_string_equal(bind->dsakey, LIBSSH_DSA_TESTKEY);
}
#endif

static void torture_bind_options_rsakey(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_RSAKEY,
                              LIBSSH_RSA_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->rsakey);
    assert_string_equal(bind->rsakey, LIBSSH_RSA_TESTKEY);
}

#ifdef HAVE_ECC
static void torture_bind_options_ecdsakey(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_ECDSAKEY,
                              LIBSSH_ECDSA_521_TESTKEY);
    assert_int_equal(rc, 0);
    assert_non_null(bind->ecdsakey);
    assert_string_equal(bind->ecdsakey, LIBSSH_ECDSA_521_TESTKEY);
}
#endif

static void torture_bind_options_banner(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    const char *banner = "This is the new banner";
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_BANNER,
                              banner);
    assert_int_equal(rc, 0);
    assert_non_null(bind->banner);
    assert_string_equal(bind->banner, banner);
}

static void torture_bind_options_set_ciphers(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;
    assert_non_null(bind->wanted_methods);

    /* Test known ciphers */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_C_S,
                              "aes128-ctr,aes192-ctr,aes256-ctr");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_CRYPT_C_S]);
    if (ssh_fips_mode()) {
        assert_string_equal(bind->wanted_methods[SSH_CRYPT_C_S],
                            "aes128-ctr,aes256-ctr");
    } else {
        assert_string_equal(bind->wanted_methods[SSH_CRYPT_C_S],
                            "aes128-ctr,aes192-ctr,aes256-ctr");
    }

    /* Test one unknown cipher */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_C_S,
                         "aes128-ctr,unknown-crap@example.com,aes256-ctr");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_CRYPT_C_S]);
    assert_string_equal(bind->wanted_methods[SSH_CRYPT_C_S],
                        "aes128-ctr,aes256-ctr");

    /* Test all unknown ciphers */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_C_S,
                         "unknown-crap@example.com,more-crap@example.com");
    assert_int_not_equal(rc, 0);

    /* Test known ciphers */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_S_C,
                              "aes128-ctr,aes192-ctr,aes256-ctr");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_CRYPT_S_C]);
    if (ssh_fips_mode()) {
        assert_string_equal(bind->wanted_methods[SSH_CRYPT_S_C],
                            "aes128-ctr,aes256-ctr");
    } else {
        assert_string_equal(bind->wanted_methods[SSH_CRYPT_S_C],
                            "aes128-ctr,aes192-ctr,aes256-ctr");
    }

    /* Test one unknown cipher */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_S_C,
                         "aes128-ctr,unknown-crap@example.com,aes256-ctr");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_CRYPT_S_C]);
    assert_string_equal(bind->wanted_methods[SSH_CRYPT_S_C],
                        "aes128-ctr,aes256-ctr");

    /* Test all unknown ciphers */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_CIPHERS_S_C,
                         "unknown-crap@example.com,more-crap@example.com");
    assert_int_not_equal(rc, 0);
}

static void torture_bind_options_set_key_exchange(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;
    assert_non_null(bind->wanted_methods);

    /* Test known kexes */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_KEY_EXCHANGE,
                              "curve25519-sha256,curve25519-sha256@libssh.org,"
                              "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                              "diffie-hellman-group18-sha512,"
                              "diffie-hellman-group14-sha256,"
                              "diffie-hellman-group14-sha1");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_KEX]);
    if (ssh_fips_mode()) {
        assert_string_equal(bind->wanted_methods[SSH_KEX],
                            "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                            "diffie-hellman-group18-sha512,"
                            "diffie-hellman-group14-sha256");
    } else {
        assert_string_equal(bind->wanted_methods[SSH_KEX],
                            "curve25519-sha256,curve25519-sha256@libssh.org,"
                            "ecdh-sha2-nistp256,diffie-hellman-group16-sha512,"
                            "diffie-hellman-group18-sha512,"
                            "diffie-hellman-group14-sha256,"
                            "diffie-hellman-group14-sha1");
    }

    /* Test one unknown kex */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_KEY_EXCHANGE,
                         "diffie-hellman-group16-sha512,"
                         "unknown-crap@example.com,"
                         "diffie-hellman-group18-sha512");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_KEX]);
    assert_string_equal(bind->wanted_methods[SSH_KEX],
                        "diffie-hellman-group16-sha512,"
                        "diffie-hellman-group18-sha512");

    /* Test all unknown kexes */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_KEY_EXCHANGE,
                              "unknown-crap@example.com,more-crap@example.com");
    assert_int_not_equal(rc, 0);
}

static void torture_bind_options_set_macs(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;
    assert_non_null(bind->wanted_methods);

    /* Test known MACs */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HMAC_S_C, "hmac-sha1");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_S_C], "hmac-sha1");

    /* Test multiple known MACs */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HMAC_S_C,
                              "hmac-sha1,hmac-sha2-256");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_S_C],
                        "hmac-sha1,hmac-sha2-256");

    /* Test unknown MACs */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HMAC_S_C,
                              "unknown-crap@example.com,hmac-sha1,unknown@example.com");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_S_C]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_S_C], "hmac-sha1");

    /* Test all unknown MACs */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HMAC_S_C, "unknown-crap@example.com");
    assert_int_not_equal(rc, 0);

    /* Test known MACs */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HMAC_C_S, "hmac-sha1");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_C_S]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_C_S], "hmac-sha1");

    /* Test multiple known MACs */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HMAC_C_S,
                              "hmac-sha1,hmac-sha2-256");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_C_S]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_C_S],
                        "hmac-sha1,hmac-sha2-256");

    /* Test unknown MACs */
    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_HMAC_C_S,
                              "unknown-crap@example.com,hmac-sha1,unknown@example.com");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_MAC_C_S]);
    assert_string_equal(bind->wanted_methods[SSH_MAC_C_S], "hmac-sha1");

    /* Test all unknown MACs */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HMAC_C_S, "unknown-crap@example.com");
    assert_int_not_equal(rc, 0);
}

static void torture_bind_options_parse_config(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    char *cwd = NULL;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    cwd = torture_get_current_working_dir();
    assert_non_null(cwd);

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_CONFIG_DIR,
                              (const char *)cwd);
    assert_int_equal(rc, 0);
    assert_non_null(bind->config_dir);
    assert_string_equal(bind->config_dir, cwd);

    rc = ssh_bind_options_parse_config(bind, "%d/"LIBSSH_CUSTOM_BIND_CONFIG_FILE);
    assert_int_equal(rc, 0);
    assert_int_equal(bind->bindport, 42);

    SAFE_FREE(cwd);
}

static void torture_bind_options_config_dir(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    const char *new_dir = "/new/dir/";
    const char *replacement_dir = "/replacement/dir/";
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_CONFIG_DIR,
                              new_dir);
    assert_int_equal(rc, 0);
    assert_non_null(bind->config_dir);
    assert_string_equal(bind->config_dir, new_dir);

    rc = ssh_bind_options_set(bind,
                              SSH_BIND_OPTIONS_CONFIG_DIR,
                              replacement_dir);
    assert_int_equal(rc, 0);
    assert_non_null(bind->config_dir);
    assert_string_equal(bind->config_dir, replacement_dir);
}

static void torture_bind_options_set_pubkey_accepted_key_types(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    /* Test known Pubkey Types */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES,
        "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    assert_int_equal(rc, 0);
    assert_non_null(bind->pubkey_accepted_key_types);
    if (ssh_fips_mode()) {
        assert_string_equal(bind->pubkey_accepted_key_types,
                            "ecdsa-sha2-nistp384");
    } else {
        assert_string_equal(bind->pubkey_accepted_key_types,
                            "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    }

    SAFE_FREE(bind->pubkey_accepted_key_types);

    /* Test with some unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES,
        "ecdsa-sha2-nistp384,unknown-type,rsa-sha2-256");
    assert_int_equal(rc, 0);
    assert_non_null(bind->pubkey_accepted_key_types);
    assert_string_equal(bind->pubkey_accepted_key_types,
        "ecdsa-sha2-nistp384,rsa-sha2-256");

    SAFE_FREE(bind->pubkey_accepted_key_types);

    /* Test with only unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES,
        "unknown-type");
    assert_int_equal(rc, -1);
    assert_null(bind->pubkey_accepted_key_types);

    /* Test with something set and then try unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES,
        "ecdsa-sha2-nistp384");
    assert_int_equal(rc, 0);
    assert_non_null(bind->pubkey_accepted_key_types);
    assert_string_equal(bind->pubkey_accepted_key_types,
        "ecdsa-sha2-nistp384");
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_PUBKEY_ACCEPTED_KEY_TYPES,
        "unknown-type");
    assert_int_equal(rc, -1);

    /* Check that nothing changed */
    assert_non_null(bind->pubkey_accepted_key_types);
    assert_string_equal(bind->pubkey_accepted_key_types,
        "ecdsa-sha2-nistp384");
}

static void torture_bind_options_set_hostkey_algorithms(void **state)
{
    struct bind_st *test_state;
    ssh_bind bind;
    int rc;

    assert_non_null(state);
    test_state = *((struct bind_st **)state);
    assert_non_null(test_state);
    assert_non_null(test_state->bind);
    bind = test_state->bind;

    /* Test known Pubkey Types */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS,
                              "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_HOSTKEYS]);
    if (ssh_fips_mode()) {
        assert_string_equal(bind->wanted_methods[SSH_HOSTKEYS],
                "ecdsa-sha2-nistp384");
    } else {
        assert_string_equal(bind->wanted_methods[SSH_HOSTKEYS],
                "ssh-ed25519,ecdsa-sha2-nistp384,ssh-rsa");
    }

    SAFE_FREE(bind->wanted_methods[SSH_HOSTKEYS]);

    /* Test with some unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS,
        "ecdsa-sha2-nistp384,unknown-type");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_HOSTKEYS]);
    assert_string_equal(bind->wanted_methods[SSH_HOSTKEYS],
        "ecdsa-sha2-nistp384");

    SAFE_FREE(bind->wanted_methods[SSH_HOSTKEYS]);

    /* Test with only unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS,
        "unknown-type");
    assert_int_equal(rc, -1);
    assert_null(bind->wanted_methods[SSH_HOSTKEYS]);

    /* Test with something set and then try unknown type */
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS,
        "ecdsa-sha2-nistp384");
    assert_int_equal(rc, 0);
    assert_non_null(bind->wanted_methods[SSH_HOSTKEYS]);
    assert_string_equal(bind->wanted_methods[SSH_HOSTKEYS],
        "ecdsa-sha2-nistp384");
    rc = ssh_bind_options_set(bind, SSH_BIND_OPTIONS_HOSTKEY_ALGORITHMS,
        "unknown-type");
    assert_int_equal(rc, -1);

    /* Check that nothing changed */
    assert_non_null(bind->wanted_methods[SSH_HOSTKEYS]);
    assert_string_equal(bind->wanted_methods[SSH_HOSTKEYS],
        "ecdsa-sha2-nistp384");
}

#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_set_global_knownhosts, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_global_knownhosts, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_knownhosts, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_get_knownhosts, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_proxycommand, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_ciphers, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_key_exchange, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_hostkey, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_pubkey_accepted_types, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_set_macs, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_copy, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_config_host, setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_config_match,
                                        setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_config_match_multi,
                                        setup, teardown),
        cmocka_unit_test_setup_teardown(torture_options_getopt,
                                        setup, teardown),
    };

#ifdef WITH_SERVER
    struct CMUnitTest sshbind_tests[] = {
        cmocka_unit_test_setup_teardown(torture_bind_options_import_key,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_hostkey,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_bindaddr,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_bindport,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_bindport_str,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_log_verbosity,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_log_verbosity_str,
                sshbind_setup, sshbind_teardown),
#ifdef HAVE_DSA
        cmocka_unit_test_setup_teardown(torture_bind_options_dsakey,
                sshbind_setup, sshbind_teardown),
#endif
        cmocka_unit_test_setup_teardown(torture_bind_options_rsakey,
                sshbind_setup, sshbind_teardown),
#ifdef HAVE_ECC
        cmocka_unit_test_setup_teardown(torture_bind_options_ecdsakey,
                sshbind_setup, sshbind_teardown),
#endif
        cmocka_unit_test_setup_teardown(torture_bind_options_banner,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_set_ciphers,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_set_key_exchange,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_set_macs,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_parse_config,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_config_dir,
                sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_set_pubkey_accepted_key_types,
                                        sshbind_setup, sshbind_teardown),
        cmocka_unit_test_setup_teardown(torture_bind_options_set_hostkey_algorithms,
                                        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;
}