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move out the generic asn1/der functions to a common file

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11599 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-01-23 10:19:49 +00:00
parent 781c950b22
commit 094ad23abc
1 changed files with 15 additions and 109 deletions
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124
lib/asn1/check-der.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1999 - 2002 Kungliga Tekniska H<>gskolan
* Copyright (c) 1999 - 2003 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -43,96 +43,10 @@
#include <asn1_err.h>
#include <der.h>
#include "check-common.h"
RCSID("$Id$");
static void
print_bytes (unsigned const char *buf, size_t len)
{
int i;
for (i = 0; i < len; ++i)
printf ("%02x ", buf[i]);
}
struct test_case {
void *val;
int byte_len;
const unsigned char *bytes;
char *name;
};
static int
generic_test (const struct test_case *tests,
unsigned ntests,
size_t data_size,
int (*encode)(unsigned char *, size_t, void *, size_t *),
int (*length)(void *),
int (*decode)(unsigned char *, size_t, void *, size_t *),
int (*cmp)(void *a, void *b))
{
unsigned char buf[4711];
int i;
int failures = 0;
void *val = malloc (data_size);
if (data_size != 0 && val == NULL)
err (1, "malloc");
for (i = 0; i < ntests; ++i) {
int ret;
size_t sz, consumed_sz, length_sz;
unsigned char *beg;
ret = (*encode) (buf + sizeof(buf) - 1, sizeof(buf),
tests[i].val, &sz);
beg = buf + sizeof(buf) - sz;
if (ret != 0) {
printf ("encoding of %s failed\n", tests[i].name);
++failures;
}
if (sz != tests[i].byte_len) {
printf ("encoding of %s has wrong len (%lu != %lu)\n",
tests[i].name,
(unsigned long)sz, (unsigned long)tests[i].byte_len);
++failures;
}
length_sz = (*length) (tests[i].val);
if (sz != length_sz) {
printf ("length for %s is bad (%lu != %lu)\n",
tests[i].name, (unsigned long)length_sz, (unsigned long)sz);
++failures;
}
if (memcmp (beg, tests[i].bytes, tests[i].byte_len) != 0) {
printf ("encoding of %s has bad bytes:\n"
"correct: ", tests[i].name);
print_bytes (tests[i].bytes, tests[i].byte_len);
printf ("\nactual: ");
print_bytes (beg, sz);
printf ("\n");
++failures;
}
ret = (*decode) (beg, sz, val, &consumed_sz);
if (ret != 0) {
printf ("decoding of %s failed\n", tests[i].name);
++failures;
}
if (sz != consumed_sz) {
printf ("different length decoding %s (%ld != %ld)\n",
tests[i].name,
(unsigned long)sz, (unsigned long)consumed_sz);
++failures;
}
if ((*cmp)(val, tests[i].val) != 0) {
printf ("%s: comparison failed\n", tests[i].name);
++failures;
}
}
free (val);
return failures;
}
static int
cmp_integer (void *a, void *b)
{
@@ -170,11 +84,9 @@ test_integer (void)
}
return generic_test (tests, ntests, sizeof(int),
(int (*)(unsigned char *, size_t,
void *, size_t *))encode_integer,
(int (*)(void *))length_integer,
(int (*)(unsigned char *, size_t,
void *, size_t *))decode_integer,
(generic_encode)encode_integer,
(generic_length) length_integer,
(generic_decode)decode_integer,
cmp_integer);
}
@@ -204,11 +116,9 @@ test_octet_string (void)
asprintf (&tests[0].name, "a octet string");
return generic_test (tests, ntests, sizeof(octet_string),
(int (*)(unsigned char *, size_t,
void *, size_t *))encode_octet_string,
(int (*)(void *))length_octet_string,
(int (*)(unsigned char *, size_t,
void *, size_t *))decode_octet_string,
(generic_encode)encode_octet_string,
(generic_length)length_octet_string,
(generic_decode)decode_octet_string,
cmp_octet_string);
}
@@ -235,11 +145,9 @@ test_general_string (void)
asprintf (&tests[0].name, "the string \"%s\"", s1);
return generic_test (tests, ntests, sizeof(unsigned char *),
(int (*)(unsigned char *, size_t,
void *, size_t *))encode_general_string,
(int (*)(void *))length_general_string,
(int (*)(unsigned char *, size_t,
void *, size_t *))decode_general_string,
(generic_encode)encode_general_string,
(generic_length)length_general_string,
(generic_decode)decode_general_string,
cmp_general_string);
}
@@ -269,11 +177,9 @@ test_generalized_time (void)
}
return generic_test (tests, ntests, sizeof(time_t),
(int (*)(unsigned char *, size_t,
void *, size_t *))encode_generalized_time,
(int (*)(void *))length_generalized_time,
(int (*)(unsigned char *, size_t,
void *, size_t *))decode_generalized_time,
(generic_encode)encode_generalized_time,
(generic_length)length_generalized_time,
(generic_decode)decode_generalized_time,
cmp_generalized_time);
}