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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2021 Steffen Jaeckel
*
* Unit tests for autoboot functionality
*/
#include <autoboot.h>
#include <test/common.h>
#include <test/test.h>
#include <test/ut.h>
#include <crypt.h>
static int check_for_input(struct unit_test_state *uts, const char *in,
bool correct)
{
bool old_val;
/* The bootdelay is set to 1 second in test_autoboot() */
const char *autoboot_prompt =
"Enter password \"a\" in 1 seconds to stop autoboot";
console_record_reset_enable();
console_in_puts(in);
/* turn on keyed autoboot for the test, if possible */
old_val = autoboot_set_keyed(true);
autoboot_command("echo Autoboot password unlock not successful");
old_val = autoboot_set_keyed(old_val);
ut_assert_nextline(autoboot_prompt);
if (!correct)
ut_assert_nextline("Autoboot password unlock not successful");
ut_assert_console_end();
return 0;
}
/**
* test_autoboot() - unit test for autoboot
*
* @uts: unit test state
* Return: 0 = success, 1 = failure
*/
static int test_autoboot(struct unit_test_state *uts)
{
/* make sure that the bootdelay is set to something,
* otherwise the called functions will time out
*/
ut_assertok(env_set("bootdelay", "1"));
bootdelay_process();
/* unset all relevant environment variables */
env_set("bootstopusesha256", NULL);
env_set("bootstopkeycrypt", NULL);
env_set("bootstopkeysha256", NULL);
if (IS_ENABLED(CONFIG_CRYPT_PW_SHA256)) {
/* test the default password from CONFIG_AUTOBOOT_STOP_STR_CRYPT */
ut_assertok(check_for_input(uts, "a\n", true));
/* test a password from the `bootstopkeycrypt` environment variable */
ut_assertok(env_set(
"bootstopkeycrypt",
"$5$rounds=640000$ycgRgpnRq4lmu.eb$aZ6YJWdklvyLML13w7mEHMHJnJOux6aptnp6VlsR5a9"));
ut_assertok(check_for_input(uts, "test\n", true));
/* verify that the `bootstopusesha256` variable is treated correctly */
ut_assertok(env_set("bootstopusesha256", "false"));
ut_assertok(check_for_input(uts, "test\n", true));
}
if (IS_ENABLED(CONFIG_AUTOBOOT_ENCRYPTION)) {
/* test the `bootstopusesha256` and `bootstopkeysha256` features */
ut_assertok(env_set("bootstopusesha256", "true"));
ut_assertok(env_set(
"bootstopkeysha256",
"edeaaff3f1774ad2888673770c6d64097e391bc362d7d6fb34982ddf0efd18cb"));
ut_assertok(check_for_input(uts, "abc\n", true));
ut_assertok(env_set(
"bootstopkeysha256",
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"));
ut_assertok(check_for_input(uts, "abc", true));
ut_assertok(check_for_input(uts, "abc\n", true));
ut_assertok(check_for_input(uts, "abd", false));
}
return CMD_RET_SUCCESS;
}
COMMON_TEST(test_autoboot, 0);
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