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Refine ASN.1 functions

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This commit is contained in:
Zhi Guan
2023-01-14 19:07:03 +08:00
parent e54b4ae182
commit b858b01d39
7 changed files with 1173 additions and 847 deletions
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95
tests/asn1test.c
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@@ -11,6 +11,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <assert.h>
#include <gmssl/asn1.h>
#include <gmssl/error.h>
@@ -80,7 +81,8 @@ static int test_asn1_length(void)
344,
65537,
1<<23,
(size_t)1<<31,
INT_MAX, // INT_MAX = 2^31 - 1
//(size_t)1<<31, // default int value of (1<<31) is -2^31, 2^31 is larger than the INT_MAX limit
};
size_t length;
uint8_t buf[256];
@@ -684,6 +686,96 @@ static int test_asn1_generalized_time(void)
return 1;
}
static int test_asn1_from_der_null_args(void)
{
uint8_t buf[100];
const uint8_t *cp = NULL;
size_t len = 100;
int val;
const char *str;
const uint8_t *d;
size_t dlen;
time_t t;
uint32_t nodes[32];
size_t nodes_cnt;
fprintf(stderr, "%s: *inlen = 0\n", __FUNCTION__);
cp = buf;
len = 0;
if (asn1_boolean_from_der(&val, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_int_from_der(&val, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_bits_from_der(&val, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_null_from_der(&cp, &len) != 0) { error_print(); return -1; }
if (asn1_object_identifier_from_der(nodes, &nodes_cnt, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_utf8_string_from_der(&str, &dlen, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_printable_string_from_der(&str, &dlen, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_ia5_string_from_der(&str, &dlen, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_utc_time_from_der(&t, &cp, &len) != 0) { error_print(); return -1; }
if (asn1_generalized_time_from_der(&t, &cp, &len) != 0) { error_print(); return -1; }
fprintf(stderr, "%s: result = NULL\n", __FUNCTION__);
cp = NULL;
len = 100;
if (asn1_boolean_from_der(NULL, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_int_from_der(NULL, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_bits_from_der(NULL, &cp, &len) != -1) { error_print(); return -1; }
//if (asn1_null_from_der(&cp, &len) != -1) { error_print(); return -1; }
if (asn1_object_identifier_from_der(NULL, &nodes_cnt, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_utf8_string_from_der(NULL, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_printable_string_from_der(NULL, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_ia5_string_from_der(NULL, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_utc_time_from_der(NULL, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_generalized_time_from_der(NULL, &cp, &len) != -1) { error_print(); return -1; }
fprintf(stderr, "%s: *inlen = 0\n", __FUNCTION__);
cp = buf;
len = 0;
if (asn1_boolean_from_der(&val, &cp, &len) != 0) { error_print(); return -1; }
fprintf(stderr, "%s: in = NULL\n", __FUNCTION__);
len = 100;
if (asn1_boolean_from_der(&val, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_int_from_der(&val, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_bits_from_der(&val, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_null_from_der(NULL, &len) != -1) { error_print(); return -1; }
if (asn1_object_identifier_from_der(nodes, &nodes_cnt, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_utf8_string_from_der(&str, &dlen, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_printable_string_from_der(&str, &dlen, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_ia5_string_from_der(&str, &dlen, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_utc_time_from_der(&t, NULL, &len) != -1) { error_print(); return -1; }
if (asn1_generalized_time_from_der(&t, NULL, &len) != -1) { error_print(); return -1; }
fprintf(stderr, "%s: inlen = NULL\n", __FUNCTION__);
cp = buf;
if (asn1_boolean_from_der(&val, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_int_from_der(&val, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_bits_from_der(&val, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_null_from_der(&cp, NULL) != -1) { error_print(); return -1; }
if (asn1_object_identifier_from_der(nodes, &nodes_cnt, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_utf8_string_from_der(&str, &dlen, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_printable_string_from_der(&str, &dlen, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_ia5_string_from_der(&str, &dlen, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_utc_time_from_der(&t, &cp, NULL) != -1) { error_print(); return -1; }
if (asn1_generalized_time_from_der(&t, &cp, NULL) != -1) { error_print(); return -1; }
fprintf(stderr, "%s: *in = NULL\n", __FUNCTION__);
cp = NULL;
len = 100;
if (asn1_boolean_from_der(&val, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_int_from_der(&val, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_bits_from_der(&val, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_null_from_der(&cp, &len) != -1) { error_print(); return -1; }
if (asn1_object_identifier_from_der(nodes, &nodes_cnt, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_utf8_string_from_der(&str, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_printable_string_from_der(&str, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_ia5_string_from_der(&str, &dlen, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_utc_time_from_der(&t, &cp, &len) != -1) { error_print(); return -1; }
if (asn1_generalized_time_from_der(&t, &cp, &len) != -1) { error_print(); return -1; }
printf("%s() ok\n", __FUNCTION__);
return 1;
}
int main(void)
{
if (test_asn1_tag() != 1) goto err;
@@ -700,6 +792,7 @@ int main(void)
if (test_asn1_time() != 1) goto err;
if (test_asn1_utc_time() != 1) goto err;
if (test_asn1_generalized_time() != 1) goto err;
if (test_asn1_from_der_null_args() != 1) goto err;
printf("%s all tests passed\n", __FILE__);
return 0;
err: