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#undef NDEBUG
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <T1.h>
#include <T2.h>
static unsigned char buf[4096];
static int buf_offset;
static int
_buf_writer(const void *buffer, size_t size, void *app_key) {
unsigned char *b, *bend;
(void)app_key;
assert(buf_offset + size < sizeof(buf));
memcpy(buf + buf_offset, buffer, size);
b = buf + buf_offset;
bend = b + size;
printf("=> [");
for(; b < bend; b++)
printf(" %02X", *b);
printf("]:%zd\n", size);
buf_offset += size;
return 0;
}
static int
save_object(void *bs, asn_TYPE_descriptor_t *td) {
asn_enc_rval_t rval; /* Return value */
int i;
buf_offset = 0;
rval = der_encode(td, bs, _buf_writer, 0);
if (rval.encoded == -1) {
fprintf(stderr,
"Cannot encode %s: %s\n",
rval.failed_type->name, strerror(errno));
assert(rval.encoded != -1);
return -1; /* JIC */
}
buf[buf_offset++] = 0xab; /* Finalize with garbage */
asn_fprint(stderr, td, bs);
printf("OUT: [");
for(i = 0; i < buf_offset; i++)
printf(" %02x", buf[i]);
printf("]\n");
return 0;
}
static int
load_object(void *bs, asn_TYPE_descriptor_t *td) {
asn_dec_rval_t rval;
fprintf(stderr, "\nLOADING OBJECT OF SIZE %d\n", buf_offset);
rval = ber_decode(0, td, (void **)&bs, buf, buf_offset);
assert(rval.code == RC_OK);
asn_fprint(stderr, td, bs);
return (rval.code == RC_OK)?0:-1;
}
/* [3] IMPLICIT SEQUENCE { b BOOLEAN } */
uint8_t test_any_buf1[] = { 0xa3, 0x80, /* [3], constructed, indefinite */
0x01, 0x01, 0xff, /* b BOOLEAN ::= TRUE */
0x00, 0x00 /* End of content octets */ };
/* b BOOLEAN */
uint8_t test_any_buf2[] = { 0x01, 0x01, 0x13 };
int
main() {
asn_TYPE_descriptor_t *td1 = &asn_DEF_T1;
asn_TYPE_descriptor_t *td2 = &asn_DEF_T2;
T1_t t1, t1_new;
T2_t t2, t2_new;
int ret;
/*
* Test the T1 with constructed indefinite length ANY encoding.
*/
memset(&t1, 0, sizeof(t1));
memset(&t1_new, 0, sizeof(t1_new));
t1.i = 112233;
t1.any.buf = test_any_buf1;
t1.any.size = sizeof(test_any_buf1);
/* Save->Load must succeed */
save_object(&t1, td1);
ret = load_object(&t1_new, td1);
assert(ret == 0);
assert(t1_new.i == 112233);
assert(t1_new.any.size == (ssize_t)sizeof(test_any_buf1));
assert(memcmp(t1_new.any.buf, test_any_buf1, sizeof(test_any_buf1)) == 0);
/*
* Test the T1 with primitive encoding.
*/
memset(&t1, 0, sizeof(t1));
memset(&t1_new, 0, sizeof(t1_new));
t1.i = -112233;
t1.any.buf = test_any_buf2;
t1.any.size = sizeof(test_any_buf2);
/* Save->Load must succeed */
save_object(&t1, td1);
ret = load_object(&t1_new, td1);
assert(ret == 0);
assert(t1_new.i == -112233);
assert(t1_new.any.size == (ssize_t)sizeof(test_any_buf2));
assert(memcmp(t1_new.any.buf, test_any_buf2, sizeof(test_any_buf2)) == 0);
/*
* Test the T2 empty sequence.
*/
memset(&t2, 0, sizeof(t2));
memset(&t2_new, 0, sizeof(t2_new));
t2.i = 332211;
t2.any = calloc(1, sizeof(*t2.any));
t2.any->buf = 0;
t2.any->size = 0;
/* Save->Load must succeed */
save_object(&t2, td2);
ret = load_object(&t2_new, td2);
assert(ret == 0);
assert(t2_new.i == 332211);
assert(t2_new.any->size == 0);
/*
* Test the T2 sequence.
*/
memset(&t2, 0, sizeof(t2));
memset(&t2_new, 0, sizeof(t2_new));
t2.i = 332211;
t2.any = calloc(1, sizeof(*t2.any));
t2.any->buf = test_any_buf1;
t2.any->size = sizeof(test_any_buf1);
/* Save->Load must succeed */
save_object(&t2, td2);
ret = load_object(&t2_new, td2);
assert(ret == 0);
assert(t2_new.i == 332211);
assert(t2_new.any->size == (ssize_t)sizeof(test_any_buf1));
assert(memcmp(t2_new.any->buf, test_any_buf1, sizeof(test_any_buf1)) == 0);
/*
* Test the T2 sequence with primitive encoding.
*/
memset(&t2, 0, sizeof(t2));
memset(&t2_new, 0, sizeof(t2_new));
t2.i = 0;
t2.any = calloc(1, sizeof(*t2.any));
t2.any->buf = test_any_buf2;
t2.any->size = sizeof(test_any_buf2);
/* Save->Load must succeed */
save_object(&t2, td2);
ret = load_object(&t2_new, td2);
assert(ret == 0);
assert(t2_new.i == 0);
assert(t2_new.any->size == (ssize_t)sizeof(test_any_buf2));
assert(memcmp(t2_new.any->buf, test_any_buf2, sizeof(test_any_buf2)) == 0);
/*
* Test T2 with ANY element omitted.
*/
free(t2.any);
t2.any = 0;
memset(&t2_new, 0, sizeof(t2_new));
save_object(&t2, td2);
ret = load_object(&t2_new, td2);
assert(ret == 0);
assert(t2_new.i == 0);
assert(t2_new.any == 0);
printf("OK\n");
return ret;
}
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