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#include "config.h"
#define LIBSSH_STATIC
#include "torture.h"
#include <libssh/libssh.h>
#include <errno.h>
#include <fcntl.h>
#include <gssapi.h>
#include <pwd.h>
static int sshd_setup(void **state)
{
struct torture_state *s = NULL;
torture_setup_sshd_server(state, false);
s = *state;
s->disable_hostkeys = true;
torture_setup_kdc_server(
state,
"kadmin.local addprinc -randkey host/server.libssh.site \n"
"kadmin.local ktadd -k $(dirname $0)/d/ssh.keytab host/server.libssh.site \n"
"kadmin.local addprinc -pw bar alice \n"
"kadmin.local list_principals",
"echo bar | kinit alice");
torture_update_sshd_config(state,
"GSSAPIAuthentication yes\n"
"GSSAPIKeyExchange yes\n");
torture_teardown_kdc_server(state);
return 0;
}
static int sshd_teardown(void **state)
{
assert_non_null(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 = NULL;
int rc;
bool b = false;
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);
ssh_options_set(s->ssh.session, SSH_OPTIONS_USER, TORTURE_SSH_USER_ALICE);
/* 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;
assert_non_null(s);
ssh_disconnect(s->ssh.session);
ssh_free(s->ssh.session);
return 0;
}
static void torture_gssapi_key_exchange_null(void **state)
{
struct torture_state *s = *state;
ssh_session session = s->ssh.session;
int rc;
bool t = true;
/* Valid */
torture_setup_kdc_server(
state,
"kadmin.local addprinc -randkey host/server.libssh.site \n"
"kadmin.local ktadd -k $(dirname $0)/d/ssh.keytab host/server.libssh.site \n"
"kadmin.local addprinc -pw bar alice \n"
"kadmin.local list_principals",
"echo bar | kinit alice");
rc = ssh_options_set(s->ssh.session, SSH_OPTIONS_GSSAPI_KEY_EXCHANGE, &t);
assert_ssh_return_code(s->ssh.session, rc);
rc = ssh_connect(session);
assert_ssh_return_code(s->ssh.session, rc);
assert_string_equal(session->current_crypto->kex_methods[SSH_HOSTKEYS],
"null");
torture_teardown_kdc_server(state);
}
static void torture_gssapi_key_exchange_null_pubkey_auth(void **state)
{
struct torture_state *s = *state;
ssh_session session = s->ssh.session;
int rc;
bool t = true;
/* Valid */
torture_setup_kdc_server(
state,
"kadmin.local addprinc -randkey host/server.libssh.site \n"
"kadmin.local ktadd -k $(dirname $0)/d/ssh.keytab host/server.libssh.site \n"
"kadmin.local addprinc -pw bar alice \n"
"kadmin.local list_principals",
"echo bar | kinit alice");
rc = ssh_options_set(s->ssh.session, SSH_OPTIONS_GSSAPI_KEY_EXCHANGE, &t);
assert_ssh_return_code(s->ssh.session, rc);
rc = ssh_connect(session);
assert_ssh_return_code(s->ssh.session, rc);
assert_string_equal(session->current_crypto->kex_methods[SSH_HOSTKEYS],
"null");
rc = ssh_userauth_publickey_auto(session, NULL, NULL);
assert_int_equal(rc, SSH_AUTH_SUCCESS);
torture_teardown_kdc_server(state);
}
int torture_run_tests(void)
{
int rc;
struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(torture_gssapi_key_exchange_null,
session_setup,
session_teardown),
cmocka_unit_test_setup_teardown(torture_gssapi_key_exchange_null_pubkey_auth,
session_setup,
session_teardown),
};
ssh_init();
torture_filter_tests(tests);
rc = cmocka_run_group_tests(tests, sshd_setup, sshd_teardown);
ssh_finalize();
return rc;
}
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