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mbedtls_x509_time_cmp() compare mbedtls_x509_time

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Signed-off-by: Glenn Strauss <gstrauss@gluelogic.com>
This commit is contained in:
Glenn Strauss
2022-06-30 00:38:53 -04:00
committed by David Horstmann
parent e5e8ba654e
commit 416dc03467
3 changed files with 42 additions and 49 deletions
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77
library/x509.c
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@ -994,6 +994,32 @@ int mbedtls_x509_key_size_helper(char *buf, size_t buf_size, const char *name)
return 0;
}
int mbedtls_x509_time_cmp(const mbedtls_x509_time *t1,
const mbedtls_x509_time *t2)
{
if (t1->year != t2->year) {
return t1->year - t2->year;
}
if (t1->mon != t2->mon) {
return t1->mon - t2->mon;
}
if (t1->day != t2->day) {
return t1->day - t2->day;
}
if (t1->hour != t2->hour) {
return t1->hour - t2->hour;
}
if (t1->min != t2->min) {
return t1->min - t2->min;
}
return t1->sec - t2->sec;
}
#if defined(MBEDTLS_HAVE_TIME_DATE)
/*
* Set the time structure to the current time.
@ -1022,53 +1048,6 @@ static int x509_get_current_time(mbedtls_x509_time *now)
return ret;
}
/*
* Return 0 if before <= after, 1 otherwise
*/
static int x509_check_time(const mbedtls_x509_time *before, const mbedtls_x509_time *after)
{
if (before->year > after->year) {
return 1;
}
if (before->year == after->year &&
before->mon > after->mon) {
return 1;
}
if (before->year == after->year &&
before->mon == after->mon &&
before->day > after->day) {
return 1;
}
if (before->year == after->year &&
before->mon == after->mon &&
before->day == after->day &&
before->hour > after->hour) {
return 1;
}
if (before->year == after->year &&
before->mon == after->mon &&
before->day == after->day &&
before->hour == after->hour &&
before->min > after->min) {
return 1;
}
if (before->year == after->year &&
before->mon == after->mon &&
before->day == after->day &&
before->hour == after->hour &&
before->min == after->min &&
before->sec > after->sec) {
return 1;
}
return 0;
}
int mbedtls_x509_time_is_past(const mbedtls_x509_time *to)
{
mbedtls_x509_time now;
@ -1077,7 +1056,7 @@ int mbedtls_x509_time_is_past(const mbedtls_x509_time *to)
return 1;
}
return x509_check_time(&now, to);
return mbedtls_x509_time_cmp(to, &now) < 0;
}
int mbedtls_x509_time_is_future(const mbedtls_x509_time *from)
@ -1088,7 +1067,7 @@ int mbedtls_x509_time_is_future(const mbedtls_x509_time *from)
return 1;
}
return x509_check_time(from, &now);
return mbedtls_x509_time_cmp(from, &now) > 0;
}
#else /* MBEDTLS_HAVE_TIME_DATE */