+++ /dev/null
-#undef NDEBUG
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <string.h>
-#include <assert.h>
-
-#include <T.h>
-
-uint8_t buf0[] = {
- 32 | ((2 << 6) + 1), /* [1], constructed */
- 18,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 16, /* L */
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-};
-
-uint8_t buf0_reconstr[] = {
- 32 | ((2 << 6) + 1), /* [1], constructed */
- 18,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 16, /* L */
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-};
-
-
-
-uint8_t buf1[] = {
- 32 | (2 << 6), /* [0], constructed */
- 0x80 | 1, /* L */
- 134,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 0x80 | 1, /* L */
- 128,
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-
- /* alpha [1] IMPLICIT INTEGER OPTIONAL */
- (2 << 6) + 1, /* [1] */
- 1, /* L */
- 75,
-};
-
-uint8_t buf1_reconstr[] = {
- 32 | (2 << 6), /* [0], constructed */
- 0x80 | 1, /* L */
- 134,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 0x80 | 1, /* L */
- 128,
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-
- /* alpha [1] IMPLICIT INTEGER OPTIONAL */
- (2 << 6) + 1, /* [1] */
- 1, /* L */
- 75,
-};
-
-uint8_t buf2[] = {
- 32 | ((2 << 6) + 1), /* [1], constructed */
- 0x80 | 1, /* L */
- 134,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 0x80 | 1, /* L */
- 128,
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-
- /* beta [2] IMPLICIT INTEGER OPTIONAL */
- (2 << 6) + 2, /* [2] */
- 1, /* L */
- 75,
-};
-
-uint8_t buf2_reconstr[] = {
- 32 | ((2 << 6) + 1), /* [1], constructed */
- 0x80 | 1, /* L */
- 134,
-
- /* string [0] IMPLICIT UTF8String, */
- (2 << 6), /* [0] */
- 0x80 | 1, /* L */
- 128,
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
- 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z', 'z',
-
- /* beta [2] IMPLICIT INTEGER OPTIONAL */
- (2 << 6) + 2, /* [2] */
- 1, /* L */
- 75,
-};
-
-
-
-
-
-static void
-check(T_t *tp, uint8_t *buf, size_t size, size_t consumed) {
- asn_dec_rval_t rval;
- int ret;
-
- tp = memset(tp, 0, sizeof(*tp));
-
- fprintf(stderr, "Buf %p (%zd)\n", buf, size);
- rval = ber_decode(0, &asn_DEF_T, (void **)&tp, buf, size);
- fprintf(stderr, "Returned code %d, consumed %zd\n",
- (int)rval.code, rval.consumed);
-
- assert(rval.code == RC_OK);
- assert(rval.consumed == consumed);
-
- fprintf(stderr, "=== asn_fprint() ===\n");
- ret = asn_fprint(stderr, &asn_DEF_T, tp);
- assert(ret == 0);
- fprintf(stderr, "=== xer_fprint() ===\n");
- ret = xer_fprint(stderr, &asn_DEF_T, tp);
- fprintf(stderr, "=== END ===\n");
- assert(ret == 0);
-
- /*
- assert(tp->string.size == 128);
- assert(strncmp(tp->string.buf, "zz") == 0);
- assert(strcmp((char *)tp->b.choice.b1.buf, "z") == 0
- && strcmp((char *)tp->b.choice.b2.buf, "z") == 0);
- */
-}
-
-size_t buf_pos;
-size_t buf_size;
-uint8_t *buffer;
-
-static int
-buf_fill(const void *bufp, size_t size, void *app_key) {
-
- (void)app_key; /* Unused argument */
-
- if(buf_pos + size > buf_size) {
- fprintf(stderr, "%zd + %zd > %zd\n",
- buf_pos, size, buf_size);
- return -1;
- }
-
- memcpy(buffer + buf_pos, bufp, size);
- buf_pos += size;
- fprintf(stderr, " written %zd (%zd)\n", size, buf_pos);
-
- return 0;
-}
-
-static void
-compare(T_t *tp, uint8_t *cmp_buf, size_t cmp_buf_size) {
- asn_enc_rval_t erval;
- size_t i;
-
- buf_size = cmp_buf_size + 100;
- uint8_t scratch[buf_size];
- buffer = scratch;
- buf_pos = 0;
-
- /*
- * Try to re-create using DER encoding.
- */
- erval = der_encode(&asn_DEF_T, tp, buf_fill, 0);
- assert(erval.encoded != -1);
- if(erval.encoded != (ssize_t)cmp_buf_size) {
- printf("%zd != %zd\n", erval.encoded, cmp_buf_size);
- }
- assert(erval.encoded == (ssize_t)cmp_buf_size);
- for(i = 0; i < cmp_buf_size; i++) {
- if(buffer[i] != cmp_buf[i]) {
- fprintf(stderr, "Recreated buffer content mismatch:\n");
- fprintf(stderr, "Byte %d, %x != %x (%d != %d)\n",
- (int)i,
- buffer[i], cmp_buf[i],
- buffer[i], cmp_buf[i]
- );
- }
- assert(buffer[i] == cmp_buf[i]);
- }
-
- buffer = 0;
-}
-
-static void
-partial_read(uint8_t *data, size_t size) {
- T_t t, *tp;
- asn_dec_rval_t rval;
- uint8_t data1[size];
- uint8_t data2[size];
- uint8_t data3[size];
-
- fprintf(stderr, "\nPartial read sequence...\n");
-
- /*
- * Divide the space (size) into three blocks in various combinations:
- * |<----->i1<----->i2<----->|
- * ^ data ^ data+size
- * Try to read block by block.
- */
- for(size_t i1 = 0; i1 < size; i1++) {
- for(size_t i2 = i1; i2 < size; i2++) {
- uint8_t *chunk1 = data;
- size_t size1 = i1;
- uint8_t *chunk2 = data + size1;
- size_t size2 = i2 - i1;
- uint8_t *chunk3 = data + size1 + size2;
- size_t size3 = size - size1 - size2;
-
- fprintf(stderr, "\n%zd:{%zd, %zd, %zd}...\n",
- size, size1, size2, size3);
-
- memset(data1, 0, size);
- memset(data2, 0, size);
- memset(data3, 0, size);
- memcpy(data1, chunk1, size1);
- memcpy(data2, chunk2, size2);
- memcpy(data3, chunk3, size3);
-
- tp = memset(&t, 0, sizeof(t));
-
- fprintf(stderr, "=> Chunk 1 (%zd):\n", size1);
- rval = ber_decode(0, &asn_DEF_T, (void **)&tp,
- data1, size1);
- assert(rval.code == RC_WMORE);
- assert(rval.consumed <= size1);
- if(rval.consumed < size1) {
- int leftover = size1 - rval.consumed;
- memcpy(data2, data1 + rval.consumed, leftover);
- memcpy(data2 + leftover, chunk2, size2);
- size2 += leftover;
- }
-
- fprintf(stderr, "=> Chunk 2 (%zd):\n", size2);
- rval = ber_decode(0, &asn_DEF_T, (void **)&tp,
- data2, size2);
- assert(rval.code == RC_WMORE);
- assert(rval.consumed <= size2);
- if(rval.consumed < size2) {
- int leftover = size2 - rval.consumed;
- memcpy(data3, data2 + rval.consumed, leftover);
- memcpy(data3 + leftover, chunk3, size3);
- size3 += leftover;
- }
-
- fprintf(stderr, "=> Chunk 3 (%zd):\n", size3);
- rval = ber_decode(0, &asn_DEF_T, (void **)&tp,
- data3, size3);
- assert(rval.code == RC_OK);
- assert(rval.consumed == size3);
-
- ASN_STRUCT_RESET(asn_DEF_T, &t);
- }
- }
-}
-
-int
-main() {
- T_t t;
-
- /* Check exact buf0 */
- check(&t, buf0, sizeof(buf0), sizeof(buf0));
- compare(&t, buf0_reconstr, sizeof(buf0_reconstr));
- ASN_STRUCT_RESET(asn_DEF_T, &t);
-
- /* Check exact buf1 */
- check(&t, buf1, sizeof(buf1), sizeof(buf1));
- compare(&t, buf1_reconstr, sizeof(buf1_reconstr));
- ASN_STRUCT_RESET(asn_DEF_T, &t);
-
- /* Check slightly more than buf1 */
- check(&t, buf1, sizeof(buf1) + 10, sizeof(buf1));
- compare(&t, buf1_reconstr, sizeof(buf1_reconstr));
- ASN_STRUCT_RESET(asn_DEF_T, &t);
-
- /* Check exact buf2 */
- check(&t, buf2, sizeof(buf2), sizeof(buf2));
- compare(&t, buf2_reconstr, sizeof(buf2_reconstr));
- ASN_STRUCT_RESET(asn_DEF_T, &t);
-
- /* Check slightly more than buf2 */
- check(&t, buf2, sizeof(buf2) + 10, sizeof(buf2));
- compare(&t, buf2_reconstr, sizeof(buf2_reconstr));
- ASN_STRUCT_RESET(asn_DEF_T, &t);
-
- /* Split the buffer in parts and check decoder restartability */
- partial_read(buf0, sizeof(buf0));
-
- return 0;
-}
Code Review / com / asn1c.git / blobdiff