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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <string.h>
#include "memory-util.h"
#include "random-util.h"
#include "recovery-key.h"
#include "tests.h"
TEST(make_recovery_key) {
_cleanup_(erase_and_freep) char *recovery_key = NULL;
size_t length;
const size_t num_test = 10;
char *generated_keys[num_test];
int r;
/* Check for successful recovery-key creation */
r = make_recovery_key(&recovery_key);
assert_se(r == 0);
ASSERT_NOT_NULL(recovery_key);
/* Check that length of formatted key is 72 with 64 modhex characters */
length = strlen(recovery_key);
assert_se(length == RECOVERY_KEY_MODHEX_FORMATTED_LENGTH - 1);
/* Check modhex characters in formatted key with dashes */
for (size_t i = 0; i < length; i++) {
assert_se((recovery_key[i] >= 'a' && recovery_key[i] <= 'v') || recovery_key[i] == '-');
if (i % 9 == 8)
/* confirm '-' is after every 8 characters */
assert_se(recovery_key[i] == '-');
}
/* Repeat tests to determine randomness of generated keys */
for (size_t test = 0; test < num_test; ++test) {
r = make_recovery_key(&generated_keys[test]);
assert_se(r == 0);
length = strlen(generated_keys[test]);
assert_se(length == RECOVERY_KEY_MODHEX_FORMATTED_LENGTH - 1);
for (size_t i = 0; i < length; i++) {
assert_se((generated_keys[test][i] >= 'a' && generated_keys[test][i] <= 'v')
|| generated_keys[test][i] == '-');
if (i % 9 == 8)
assert_se(generated_keys[test][i] == '-');
}
/* Check for uniqueness of each generated recovery key */
for (size_t prev = 0; prev < test; ++prev)
assert_se(!streq(generated_keys[test], generated_keys[prev]));
}
for (size_t i = 0; i < num_test; i++)
free(generated_keys[i]);
}
TEST(decode_modhex_char) {
assert_se(decode_modhex_char('c') == 0);
assert_se(decode_modhex_char('C') == 0);
assert_se(decode_modhex_char('b') == 1);
assert_se(decode_modhex_char('B') == 1);
assert_se(decode_modhex_char('d') == 2);
assert_se(decode_modhex_char('D') == 2);
assert_se(decode_modhex_char('e') == 3);
assert_se(decode_modhex_char('E') == 3);
assert_se(decode_modhex_char('f') == 4);
assert_se(decode_modhex_char('F') == 4);
assert_se(decode_modhex_char('g') == 5);
assert_se(decode_modhex_char('G') == 5);
assert_se(decode_modhex_char('h') == 6);
assert_se(decode_modhex_char('H') == 6);
assert_se(decode_modhex_char('i') == 7);
assert_se(decode_modhex_char('I') == 7);
assert_se(decode_modhex_char('j') == 8);
assert_se(decode_modhex_char('J') == 8);
assert_se(decode_modhex_char('k') == 9);
assert_se(decode_modhex_char('K') == 9);
assert_se(decode_modhex_char('l') == 10);
assert_se(decode_modhex_char('L') == 10);
assert_se(decode_modhex_char('n') == 11);
assert_se(decode_modhex_char('N') == 11);
assert_se(decode_modhex_char('r') == 12);
assert_se(decode_modhex_char('R') == 12);
assert_se(decode_modhex_char('t') == 13);
assert_se(decode_modhex_char('T') == 13);
assert_se(decode_modhex_char('u') == 14);
assert_se(decode_modhex_char('U') == 14);
assert_se(decode_modhex_char('v') == 15);
assert_se(decode_modhex_char('V') == 15);
assert_se(decode_modhex_char('a') == -EINVAL);
assert_se(decode_modhex_char('A') == -EINVAL);
assert_se(decode_modhex_char('x') == -EINVAL);
assert_se(decode_modhex_char('.') == -EINVAL);
assert_se(decode_modhex_char('/') == -EINVAL);
assert_se(decode_modhex_char('\0') == -EINVAL);
}
TEST(normalize_recovery_key) {
_cleanup_(erase_and_freep) char *normalized_key1 = NULL;
_cleanup_(erase_and_freep) char *normalized_key2 = NULL;
_cleanup_(erase_and_freep) char *normalized_key3 = NULL;
int r;
/* Case 1: Normalization without dashes */
r = normalize_recovery_key("cdefghijcdefghijcdefghijcdefghijcdefghijcdefghijcdefghijcdefghij",
&normalized_key1);
assert(r == 0);
assert(streq(normalized_key1, "cdefghij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghij"));
/* Case 2: Normalization with dashes */
r = normalize_recovery_key("cdefVhij-cDefghij-cdefkhij-cdufghij-cdefgdij-cidefIhj-cdefNijR-cdVfguij",
&normalized_key2);
assert_se(r == 0);
ASSERT_STREQ(normalized_key2, "cdefvhij-cdefghij-cdefkhij-cdufghij-cdefgdij-cidefihj-cdefnijr-cdvfguij");
/* Case 3: Invalid password length */
r = normalize_recovery_key("1234-5678-90AB-CDEF-1234-5678-90AB-CDEF", &normalized_key1);
assert(r == -EINVAL);
/* Case 4: Invalid password format(missing dash) */
r = normalize_recovery_key("cdefghij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghijcdefghij",
&normalized_key1);
assert_se(r == -EINVAL);
/* Case 5: Normalization of Upper cases password without dashes */
r = normalize_recovery_key("BFGHICEHHIUVLKJIHFHEDlntruvcdefjiTUVKLNIJVTUTKJIHDFBCBGHIJHHFDBC",
&normalized_key3);
assert(r == 0);
ASSERT_STREQ(normalized_key3, "bfghiceh-hiuvlkji-hfhedlnt-ruvcdefj-ituvklni-jvtutkji-hdfbcbgh-ijhhfdbc");
/* Case 6: Minimum password length */
r = normalize_recovery_key("", &normalized_key1);
assert_se(r == -EINVAL);
/* Case 7: Invalid characters and numbers in password */
r = normalize_recovery_key("cde123hi-cdefgzij-cdefghij-cdefghij-cdefghij-cdefghij-cdefghijcdefghij",
&normalized_key1);
assert_se(r == -EINVAL);
}
DEFINE_TEST_MAIN(LOG_INFO);
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