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Code Issues Releases Wiki Activity

Migrate correct parsing function

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This commit is contained in:
mhasbini 2019-01-21 20:44:28 +02:00
parent cc59de6538
commit 9aeb4f602e
3 changed files with 59 additions and 18 deletions
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2
include/interface_migrate.h
View File

@ -822,6 +822,7 @@ typedef enum hash_type
HASH_TYPE_MD4 = 1,
HASH_TYPE_MD5 = 2,
HASH_TYPE_SHA1 = 4,
HASH_TYPE_SHA224 = 5,
HASH_TYPE_SHA256 = 6,
HASH_TYPE_SHA384 = 7,
HASH_TYPE_SHA512 = 8,
@ -1182,6 +1183,7 @@ int sha1_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_bu
int sha1b64_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha1b64s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha1s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha224_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha256_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha256s_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);
int sha384_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig);

49
src/interface_migrate.c
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@ -5155,6 +5155,55 @@ int oraclet_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UN
return (PARSER_OK);
}
int sha224_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig)
{
u32 *digest = (u32 *) hash_buf->digest;
token_t token;
token.token_cnt = 1;
token.len_min[0] = 56;
token.len_max[0] = 56;
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer (input_buf, input_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
const u8 *hash_pos = token.buf[0];
digest[0] = hex_to_u32 (hash_pos + 0);
digest[1] = hex_to_u32 (hash_pos + 8);
digest[2] = hex_to_u32 (hash_pos + 16);
digest[3] = hex_to_u32 (hash_pos + 24);
digest[4] = hex_to_u32 (hash_pos + 32);
digest[5] = hex_to_u32 (hash_pos + 40);
digest[6] = hex_to_u32 (hash_pos + 48);
digest[0] = byte_swap_32 (digest[0]);
digest[1] = byte_swap_32 (digest[1]);
digest[2] = byte_swap_32 (digest[2]);
digest[3] = byte_swap_32 (digest[3]);
digest[4] = byte_swap_32 (digest[4]);
digest[5] = byte_swap_32 (digest[5]);
digest[6] = byte_swap_32 (digest[6]);
if (hashconfig->opti_type & OPTI_TYPE_PRECOMPUTE_MERKLE)
{
digest[0] -= SHA224M_A;
digest[1] -= SHA224M_B;
digest[2] -= SHA224M_C;
digest[3] -= SHA224M_D;
digest[4] -= SHA224M_E;
digest[5] -= SHA224M_F;
digest[6] -= SHA224M_G;
}
return (PARSER_OK);
}
int sha256_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UNUSED hashconfig_t *hashconfig)
{
u32 *digest = (u32 *) hash_buf->digest;

26
src/modules/module_17300.c
View File

@ -9,7 +9,6 @@
#include "bitops.h"
#include "convert.h"
#include "shared.h"
#include "inc_hash_constants.h"
static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
static const u32 DGST_POS0 = 6;
@ -18,7 +17,7 @@ static const u32 DGST_POS2 = 4;
static const u32 DGST_POS3 = 5;
static const u32 DGST_SIZE = DGST_SIZE_8_25;
static const u32 HASH_CATEGORY = HASH_CATEGORY_RAW_HASH;
static const char *HASH_NAME = "SHA3-224 ";
static const char *HASH_NAME = "SHA3-224";
static const u32 HASH_TYPE = HASH_TYPE_GENERIC;
static const u64 KERN_TYPE = 17300;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
@ -52,18 +51,20 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
token_t token;
token.token_cnt = 1;
token.token_cnt = 1;
token.len_min[0] = 56;
token.len_max[0] = 56;
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len[0] = 56;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
const u8 *hash_pos = token.buf[0];
const int hash_len = token.len[0];
if (hash_len != 56) return (PARSER_GLOBAL_LENGTH);
digest[0] = hex_to_u32 (hash_pos + 0);
digest[1] = hex_to_u32 (hash_pos + 8);
@ -73,17 +74,6 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
digest[5] = hex_to_u32 (hash_pos + 40);
digest[6] = hex_to_u32 (hash_pos + 48);
if (hashconfig->opti_type & OPTI_TYPE_PRECOMPUTE_MERKLE)
{
digest[0] -= SHA224M_A;
digest[1] -= SHA224M_B;
digest[2] -= SHA224M_C;
digest[3] -= SHA224M_D;
digest[4] -= SHA224M_E;
digest[5] -= SHA224M_F;
digest[6] -= SHA224M_G;
}
return (PARSER_OK);
}