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Make use of module_hash_decode_outfile() in potfile.c as well

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This commit is contained in:
jsteube 2018-12-20 15:46:26 +01:00
parent cfc9772e0e
commit 0ce01b8836
2 changed files with 71 additions and 76 deletions
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71
src/interface_migrate.c
View File

@ -28430,20 +28430,81 @@ int module_hash_decode_outfile (MAYBE_UNUSED const hashconfig_t *hashconfig, MAY
digest[2] = byte_swap_32 (digest[2]);
digest[3] = byte_swap_32 (digest[3]);
parser_status = PARSER_OK;
return PARSER_OK;
/* this is from old potfile.c, seems to be more detailed
// here we have in line_hash_buf: hash:macap:macsta:essid:password
char *sep_pos = strrchr (line_hash_buf, ':');
if (sep_pos == NULL) continue;
sep_pos[0] = 0;
char *hash_pos = line_hash_buf;
const size_t hash_len = strlen (hash_pos);
if (hash_len != 32 + 1 + 12 + 1 + 12) continue;
char *essid_pos = sep_pos + 1;
size_t essid_len = strlen (essid_pos);
if (is_hexify ((const u8 *) essid_pos, essid_len) == true)
{
essid_len = exec_unhexify ((const u8 *) essid_pos, essid_len, (u8 *) essid_pos, essid_len);
}
if (essid_len > 32) continue;
if (hashconfig->is_salted == true)
{
// this should be always true, but we need it to make scan-build happy
memcpy (hash_buf.salt->salt_buf, essid_pos, essid_len);
hash_buf.salt->salt_len = (u32) essid_len;
hash_buf.salt->salt_iter = ROUNDS_WPA_PBKDF2 - 1;
u32 hash[4];
hash[0] = hex_to_u32 ((const u8 *) &hash_pos[ 0]);
hash[1] = hex_to_u32 ((const u8 *) &hash_pos[ 8]);
hash[2] = hex_to_u32 ((const u8 *) &hash_pos[16]);
hash[3] = hex_to_u32 ((const u8 *) &hash_pos[24]);
hash[0] = byte_swap_32 (hash[0]);
hash[1] = byte_swap_32 (hash[1]);
hash[2] = byte_swap_32 (hash[2]);
hash[3] = byte_swap_32 (hash[3]);
u32 *digest = (u32 *) hash_buf.digest;
digest[0] = hash[0];
digest[1] = hash[1];
digest[2] = hash[2];
digest[3] = hash[3];
}
*/
}
else if (hash_mode == 6800) // special case LastPass (only email address in outfile/potfile)
{
// fake the parsing of the hash/salt
hash_buf.salt->salt_len = line_len;
if (line_len < 256) // 64 = 64 * u32 in salt_buf[]
{
hash_buf.salt->salt_len = line_len;
memcpy (hash_buf.salt->salt_buf, line_buf, line_len);
memcpy (hash_buf.salt->salt_buf, line_buf, line_len);
}
parser_status = PARSER_OK;
return PARSER_OK;
}
}
int module_hash_decode_zero_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf)
{
if (hashconfig->hash_mode == 3000)

76
src/potfile.c
View File

@ -549,77 +549,11 @@ int potfile_remove_parse (hashcat_ctx_t *hashcat_ctx)
memset (hash_buf.hook_salt, 0, hashconfig->hook_salt_size);
}
hash_t *found = NULL;
if (hashconfig->hash_mode == 6800)
if (module_ctx->module_hash_decode_outfile)
{
if (line_hash_len < 256) // 64 = 64 * u32 in salt_buf[]
{
// manipulate salt_buf
memcpy (hash_buf.salt->salt_buf, line_hash_buf, line_hash_len);
const int parser_status = module_ctx->module_hash_decode_outfile (hashconfig, hash_buf.digest, hash_buf.salt, hash_buf.esalt, line_hash_buf, line_hash_len);
hash_buf.salt->salt_len = (u32) line_hash_len;
found = (hash_t *) bsearch (&hash_buf, hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash_t_salt);
}
}
else if ((hashconfig->hash_mode == 2500) || (hashconfig->hash_mode == 2501))
{
// here we have in line_hash_buf: hash:macap:macsta:essid:password
char *sep_pos = strrchr (line_hash_buf, ':');
if (sep_pos == NULL) continue;
sep_pos[0] = 0;
char *hash_pos = line_hash_buf;
const size_t hash_len = strlen (hash_pos);
if (hash_len != 32 + 1 + 12 + 1 + 12) continue;
char *essid_pos = sep_pos + 1;
size_t essid_len = strlen (essid_pos);
if (is_hexify ((const u8 *) essid_pos, essid_len) == true)
{
essid_len = exec_unhexify ((const u8 *) essid_pos, essid_len, (u8 *) essid_pos, essid_len);
}
if (essid_len > 32) continue;
if (hashconfig->is_salted == true)
{
// this should be always true, but we need it to make scan-build happy
memcpy (hash_buf.salt->salt_buf, essid_pos, essid_len);
hash_buf.salt->salt_len = (u32) essid_len;
hash_buf.salt->salt_iter = ROUNDS_WPA_PBKDF2 - 1;
u32 hash[4];
hash[0] = hex_to_u32 ((const u8 *) &hash_pos[ 0]);
hash[1] = hex_to_u32 ((const u8 *) &hash_pos[ 8]);
hash[2] = hex_to_u32 ((const u8 *) &hash_pos[16]);
hash[3] = hex_to_u32 ((const u8 *) &hash_pos[24]);
hash[0] = byte_swap_32 (hash[0]);
hash[1] = byte_swap_32 (hash[1]);
hash[2] = byte_swap_32 (hash[2]);
hash[3] = byte_swap_32 (hash[3]);
u32 *digest = (u32 *) hash_buf.digest;
digest[0] = hash[0];
digest[1] = hash[1];
digest[2] = hash[2];
digest[3] = hash[3];
}
found = (hash_t *) hc_bsearch_r (&hash_buf, hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash, (void *) hashconfig);
if (parser_status != PARSER_OK) continue;
}
else
{
@ -633,10 +567,10 @@ int potfile_remove_parse (hashcat_ctx_t *hashcat_ctx)
continue;
}
found = (hash_t *) hc_bsearch_r (&hash_buf, hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash, (void *) hashconfig);
}
hash_t *found = (hash_t *) hc_bsearch_r (&hash_buf, hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash, (void *) hashconfig);
potfile_update_hash (hashcat_ctx, found, line_pw_buf, (u32) line_pw_len);
}