su-16-cfdate-der.c [plain text]
#include "utilities/der_plist.h"
#include "utilities/der_plist_internal.h"
#include "utilities/der_date.h"
#include "utilities/SecCFRelease.h"
#include "utilities/array_size.h"
#include <CoreFoundation/CoreFoundation.h>
#include <corecrypto/ccder.h>
#include "utilities_regressions.h"
#define kMaxResultSize 100
struct test_case {
CFAbsoluteTime value;
char *expected;
};
static struct test_case test_cases[] =
{
{ .value = 0.0, .expected = "20010101000000Z", },
{ .value = 1.0, .expected = "20010101000001Z", },
{ .value = 0.1, .expected = "20010101000000.1Z", },
{ .value = 0.0001, .expected = "20010101000000.0001Z", },
{ .value = 128.0, .expected = "20010101000208Z", },
{ .value = -1.0, .expected = "20001231235959Z", },
{ .value = -0.9, .expected = "20001231235959.1Z", },
{ .value = -129.0, .expected = "20001231235751Z", },
{ .value = 1000.0, .expected = "20010101001640Z", },
{ .value = 65280.0, .expected = "20010101180800Z", },
{ .value = 41234576.0, .expected = "20020423060256Z", },
{ .value = -412343576.0, .expected = "19871208120704Z", },
{ .value = 381778873.238063, .expected = "20130205174113.238063Z", },
{ .value = 381778873.638063, .expected = "20130205174113.638063Z", },
{ .value = 1400603.141, .expected = "20010117050323.141Z", },
{ .value = -412343576.238063, .expected = "19871208120703.761937Z", },
{ .value = -412343576.638063, .expected = "19871208120703.361937Z", },
{ .value = 5.000539014, .expected = "20010101000005.000539014Z", },
{ .value = -5.00053901, .expected = "20001231235954.99946099Z", },
{ .value = 0.000539014, .expected = "20010101000000.000539014Z", },
{ .value = -0.00053901, .expected = "20001231235959.99946099Z", },
{ .value = 11031400603.141, .expected = "23500729055643.141Z", }, { .value = 0.000100120234, .expected = "20010101000000.000100120234Z", },
{ .value = 0.00000000000000000000000000000000000000000010012654182354326,
.expected = "20010101000000.00000000000000000000000000000000000000000010012654182354326Z", },
{ .value = -0.00000000000000000000000000000000000000000010012654182354326,
.expected = "20001231235959.99999999999999999999999999999999999999999989987345817645674Z", },
{ .value = 0.0001234522366234637, .expected = "20010101000000.0001234522366234637Z", },
};
static CFStringRef string_create_with_hex(const uint8_t* start, const uint8_t* end) {
CFMutableStringRef s = CFStringCreateMutable(NULL, 0);
CFStringAppendFormat(s, 0, CFSTR(".size = %" PRIdPTR ", .res = { "), (intptr_t)(end - start));
while (start < end)
CFStringAppendFormat(s, 0, CFSTR("0x%02X, "), *start++);
CFStringAppend(s, CFSTR("},\n"));
return s;
}
static bool ok_der_date_is(int testnumber, const char *expected, const uint8_t *der, const uint8_t *der_end) {
size_t elen = strlen(expected);
size_t dlen;
const uint8_t *body = ccder_decode_tl(CCDER_GENERALIZED_TIME, &dlen, der, der_end);
if (!body) {
return fail("[%d] encoded date %@ expected %s not a generalized time", testnumber, string_create_with_hex(der, der_end), expected);
} else if (body + dlen != der_end) {
return fail("[%d] Trailing garbage in encoded string after generalized time got: %@ expected: %s", testnumber, string_create_with_hex(der, der_end), expected);
} else if (dlen != elen) {
return fail("[%d] encoded date len %zu != %zu got: %.*s expected: %s", testnumber, dlen , elen, (int)dlen, (char *)body, expected);
} else if (memcmp(body, expected, elen)) {
return fail("[%d] encoded got: %.*s expected: %s", testnumber, (int)dlen, (char *)body, expected);
} else {
return pass("[%d] properly encoded %s", testnumber, expected);
}
}
static bool ok_date_equals(int testnumber, CFDateRef decoded, CFDateRef expected) {
CFAbsoluteTime t1 = CFDateGetAbsoluteTime(decoded);
CFAbsoluteTime t2 = CFDateGetAbsoluteTime(expected);
if (-1.0 < t1 && t1 < 1.0) {
return ok((decoded != NULL) && fabs(t1 - t2) < 7e-18, "[%d] Delta too big %g %a != %a (%g != %g).", testnumber, fabs(t1 - t2), t1, t2, t1, t2);
} else {
return ok((decoded != NULL) && CFEqual(decoded, expected), "[%d] Didn't make equal value %a != %a (%g != %g).", testnumber, t1, t2, t1, t2);
}
}
#define kTestsPerTestCase 12
static void one_test(const struct test_case * thisCase, int testnumber)
{
uint8_t buffer[kMaxResultSize];
uint8_t* buffer_end = buffer + sizeof(buffer);
CFDateRef initialValue = CFDateCreate(NULL, thisCase->value);
CFErrorRef error = NULL;
uint8_t* encoded = der_encode_plist(initialValue, &error, buffer, buffer_end);
SKIP:
{
skip("der_encode_plist failed", 1,
ok(encoded != NULL, "[%d] der_encode_plist failed: %@", testnumber, error));
ok_der_date_is(testnumber, thisCase->expected, encoded, buffer_end);
}
CFReleaseNull(error);
encoded = der_encode_date(initialValue, &error, buffer, buffer_end);
SKIP:
{
skip("der_encode_date failed", 1,
ok(encoded != NULL, "[%d] der_encode_date failed: %@", testnumber, error));
ok_der_date_is(testnumber, thisCase->expected, encoded, buffer_end);
}
CFReleaseNull(error);
CFDateRef decoded = NULL;
const uint8_t* decode_end = der_decode_date(NULL, kCFPropertyListMutableContainers,
&decoded, &error, encoded, buffer_end);
ok(error == NULL, "[%d] der_decode_date failed: %@", testnumber, error);
CFReleaseNull(error);
ok(decode_end == buffer_end, "[%d] didn't decode whole buffer", testnumber);
ok_date_equals(testnumber, decoded, initialValue);
CFPropertyListRef decoded_type = NULL;
decode_end = der_decode_plist(NULL, kCFPropertyListMutableContainers,
&decoded_type, &error, encoded, buffer_end);
ok(error == NULL, "[%d] der_decode_plist failed: %@", testnumber, error);
CFReleaseNull(error);
ok(decode_end == buffer_end, "[%d] didn't decode whole buffer", testnumber);
ok_date_equals(testnumber, decoded, initialValue);
is(der_sizeof_date(initialValue, NULL), ccder_sizeof(CCDER_GENERALIZED_TIME, strlen(thisCase->expected)), "[%d] der_sizeof_date mismatch", testnumber);
is(der_sizeof_plist(initialValue, NULL), ccder_sizeof(CCDER_GENERALIZED_TIME, strlen(thisCase->expected)), "[%d] der_sizeof_plist mismatch", testnumber);
CFReleaseSafe(initialValue);
CFReleaseNull(decoded);
CFReleaseNull(decoded_type);
}
#define kTestCount (array_size(test_cases) * kTestsPerTestCase)
static void tests(void)
{
for (int testnumber = 0; testnumber < array_size(test_cases); ++testnumber)
one_test(test_cases + testnumber, testnumber);
}
int su_16_cfdate_der(int argc, char *const *argv)
{
plan_tests(kTestCount);
tests();
return 0;
}