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/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2023 OpenVPN Inc <sales@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 2 of the License,
* or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#undef ENABLE_SYSTEMD
#include "syshead.h"
#include "manage.h"
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <cmocka.h>
#include "misc.c"
struct management *management; /* global */
/* mocking */
bool
query_user_exec_builtin(void)
{
/* Loop through configured query_user slots */
for (int i = 0; i < QUERY_USER_NUMSLOTS && query_user[i].response != NULL; i++)
{
check_expected(query_user[i].prompt);
strncpy(query_user[i].response, mock_ptr_type(char *), query_user[i].response_len);
}
return mock();
}
void
management_auth_failure(struct management *man, const char *type, const char *reason)
{
assert_true(0);
}
bool
management_query_user_pass(struct management *man,
struct user_pass *up,
const char *type,
const unsigned int flags,
const char *static_challenge)
{
assert_true(0);
return false;
}
/* stubs for some unused functions instead of pulling in too many dependencies */
int
parse_line(const char *line, char **p, const int n, const char *file,
const int line_num, int msglevel, struct gc_arena *gc)
{
assert_true(0);
return 0;
}
/* tooling */
static void
reset_user_pass(struct user_pass *up)
{
up->defined = false;
up->token_defined = false;
up->nocache = false;
strcpy(up->username, "user");
strcpy(up->password, "password");
}
static void
test_get_user_pass_defined(void **state)
{
struct user_pass up = { 0 };
reset_user_pass(&up);
up.defined = true;
assert_true(get_user_pass_cr(&up, NULL, "UT", 0, NULL));
}
static void
test_get_user_pass_needok(void **state)
{
struct user_pass up = { 0 };
reset_user_pass(&up);
unsigned int flags = GET_USER_PASS_NEED_OK;
expect_string(query_user_exec_builtin, query_user[i].prompt, "NEED-OK|UT|user:");
will_return(query_user_exec_builtin, "");
will_return(query_user_exec_builtin, true);
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, NULL, "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.password, "ok");
reset_user_pass(&up);
expect_string(query_user_exec_builtin, query_user[i].prompt, "NEED-OK|UT|user:");
will_return(query_user_exec_builtin, "cancel");
will_return(query_user_exec_builtin, true);
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, NULL, "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.password, "cancel");
}
static void
test_get_user_pass_inline_creds(void **state)
{
struct user_pass up = { 0 };
reset_user_pass(&up);
unsigned int flags = GET_USER_PASS_INLINE_CREDS;
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, "iuser\nipassword", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "iuser");
assert_string_equal(up.password, "ipassword");
reset_user_pass(&up);
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Password:");
will_return(query_user_exec_builtin, "cpassword");
will_return(query_user_exec_builtin, true);
/* will try to retrieve missing password from stdin */
assert_true(get_user_pass_cr(&up, "iuser", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "iuser");
assert_string_equal(up.password, "cpassword");
reset_user_pass(&up);
flags |= GET_USER_PASS_PASSWORD_ONLY;
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, "ipassword\n", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "user");
assert_string_equal(up.password, "ipassword");
reset_user_pass(&up);
flags |= GET_USER_PASS_PASSWORD_ONLY;
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Password:");
will_return(query_user_exec_builtin, "cpassword");
will_return(query_user_exec_builtin, true);
/* will try to retrieve missing password from stdin */
assert_true(get_user_pass_cr(&up, "", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "user");
assert_string_equal(up.password, "cpassword");
}
static void
test_get_user_pass_authfile_stdin(void **state)
{
struct user_pass up = { 0 };
reset_user_pass(&up);
unsigned int flags = 0;
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Username:");
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Password:");
will_return(query_user_exec_builtin, "cuser");
will_return(query_user_exec_builtin, "cpassword");
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, "stdin", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "cuser");
assert_string_equal(up.password, "cpassword");
reset_user_pass(&up);
flags |= GET_USER_PASS_PASSWORD_ONLY;
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Password:");
will_return(query_user_exec_builtin, "cpassword");
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, "stdin", "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "user");
assert_string_equal(up.password, "cpassword");
}
static void
test_get_user_pass_authfile_file(void **state)
{
struct user_pass up = { 0 };
reset_user_pass(&up);
unsigned int flags = 0;
const char *srcdir = getenv("srcdir");
assert_non_null(srcdir);
char authfile[PATH_MAX] = { 0 };
snprintf(authfile, PATH_MAX, "%s/%s", srcdir, "input/user_pass.txt");
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, authfile, "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "fuser");
assert_string_equal(up.password, "fpassword");
reset_user_pass(&up);
snprintf(authfile, PATH_MAX, "%s/%s", srcdir, "input/user_only.txt");
expect_string(query_user_exec_builtin, query_user[i].prompt, "Enter UT Password:");
will_return(query_user_exec_builtin, "cpassword");
will_return(query_user_exec_builtin, true);
/* will try to retrieve missing password from stdin */
assert_true(get_user_pass_cr(&up, authfile, "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "fuser");
assert_string_equal(up.password, "cpassword");
reset_user_pass(&up);
flags |= GET_USER_PASS_PASSWORD_ONLY;
snprintf(authfile, PATH_MAX, "%s/%s", srcdir, "input/user_only.txt");
/*FIXME: query_user_exec() called even though nothing queued */
will_return(query_user_exec_builtin, true);
assert_true(get_user_pass_cr(&up, authfile, "UT", flags, NULL));
assert_true(up.defined);
assert_string_equal(up.username, "user");
assert_string_equal(up.password, "fuser");
}
const struct CMUnitTest user_pass_tests[] = {
cmocka_unit_test(test_get_user_pass_defined),
cmocka_unit_test(test_get_user_pass_needok),
cmocka_unit_test(test_get_user_pass_inline_creds),
cmocka_unit_test(test_get_user_pass_authfile_stdin),
cmocka_unit_test(test_get_user_pass_authfile_file),
};
int
main(void)
{
return cmocka_run_group_tests(user_pass_tests, NULL, NULL);
}
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