indefinite length check

git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@110 59561ff5-6e30-0410-9f3c-9617f08c8826
This commit is contained in:
vlm 2004-08-13 12:38:42 +00:00
parent f91f95ece3
commit 07ddc23c9b
1 changed files with 113 additions and 6 deletions

View File

@ -7,6 +7,10 @@
#include <T.h>
/*
* Test that the optional member (c) is really optional.
*/
uint8_t buf1[] = {
32 | 17, /* [UNIVERSAL 17], constructed */
8, /* L */
@ -42,17 +46,114 @@ uint8_t buf2[] = {
97,
};
/*
* This buffer checks that an unexpected member may be properly ignored.
*/
uint8_t buf3[] = {
32 | 17, /* [UNIVERSAL 17], constructed */
14, /* L */
/* a INTEGER */
64 | 3, /* [APPLICATION 3] */
1, /* L */
96,
/* b IA5String */
22, /* [UNIVERSAL 22] */
3, /* L */
'x',
'y',
'z',
/* unexpected INTEGER */
64 | 4, /* [APPLICATION 4] */
1, /* L */
96,
/* c [2] BOOLEAN */
((2 << 6) + 2), /* [2] */
1, /* L */
0xff
};
/*
* This buffer checks that an unexpected member may be properly ignored.
* This time, with indefinite length encoding.
*/
uint8_t buf4[] = {
32 | 17, /* [UNIVERSAL 17], constructed */
16, /* L */
/* a INTEGER */
64 | 3, /* [APPLICATION 3] */
1, /* L */
96,
/* b IA5String */
22, /* [UNIVERSAL 22] */
3, /* L */
'x',
'y',
'z',
/* unexpected data structure */
32 | 64 | 4, /* [APPLICATION 4] */
0x80, /* indefinite L */
64 | 1, /* [APPLICATION 1] */
2, /* L */
'a', 'b',
0x00,
0x00
};
/*
* This buffer checks that an unexpected member may be properly ignored.
* This time, with indefinite length encoding at the outer level too.
*/
uint8_t buf5[] = {
32 | 17, /* [UNIVERSAL 17], constructed */
0x80, /* indefinite L */
/* a INTEGER */
64 | 3, /* [APPLICATION 3] */
1, /* L */
96,
/* b IA5String */
22, /* [UNIVERSAL 22] */
3, /* L */
'x',
'y',
'z',
/* unexpected data structure */
32 | 64 | 4, /* [APPLICATION 4] */
0x80, /* indefinite L */
64 | 1, /* [APPLICATION 1] */
2, /* L */
'a', 'b',
0x00,
0x00,
0x00,
0x00
};
static void
check(int is_ok, uint8_t *buf, int size, size_t consumed) {
T_t t, *tp;
ber_dec_rval_t rval;
fprintf(stderr, "\nMust %s:\n", is_ok?"suceed":"fail");
tp = memset(&t, 0, sizeof(t));
fprintf(stderr, "Buf %p\n", buf);
rval = ber_decode(&asn1_DEF_T, (void **)&tp, buf, size);
fprintf(stderr, "Returned code %d, consumed %d\n",
(int)rval.code, (int)rval.consumed);
fprintf(stderr, "Returned code %d, consumed %d (out of %d)\n",
(int)rval.code, (int)rval.consumed, size);
if(is_ok) {
assert(rval.code == RC_OK);
@ -61,8 +162,12 @@ check(int is_ok, uint8_t *buf, int size, size_t consumed) {
assert(t.a.size == 1);
assert(t.a.buf[0] == 96);
assert(t.b.size == 3);
assert(t.c == 0);
assert(strcmp(t.b.buf, "xyz") == 0);
if(buf == buf3) {
assert(t.c->value);
} else {
assert(t.c == 0);
}
} else {
if(rval.code == RC_OK) {
assert(t.a.size != 1
@ -106,11 +211,13 @@ main(int ac, char **av) {
(void)ac; /* Unused argument */
(void)av; /* Unused argument */
fprintf(stderr, "Must succeed:\n");
check(1, buf1, sizeof(buf1) + 20, sizeof(buf1));
fprintf(stderr, "\nMust fail:\n");
check(0, buf2, sizeof(buf2) + 1, 5);
check(1, buf3, sizeof(buf3) + 1, sizeof(buf3));
check(1, buf4, sizeof(buf4), sizeof(buf4));
check(1, buf5, sizeof(buf5), sizeof(buf5));
check(1, buf5, sizeof(buf5) + 1, sizeof(buf5));
check(0, buf5, sizeof(buf5) - 1, sizeof(buf5));
fprintf(stderr, "\nPseudo-random buffer corruptions must fail\n");
try_corrupt(buf1, sizeof(buf1));