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Cleanup and redefine some potfile functions

This commit is contained in:
jsteube 2016-09-10 15:17:23 +02:00
parent 53db51dcc3
commit a61d1faaad
3 changed files with 285 additions and 286 deletions

View File

@ -41,21 +41,20 @@ int sort_by_salt_buf (const void *v1, const void *v2);
int sort_by_hash_t_salt (const void *v1, const void *v2);
int sort_by_hash_t_salt_hccap (const void *v1, const void *v2);
void handle_show_request (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig);
void handle_left_request (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig);
void handle_show_request_lm (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig);
void handle_left_request_lm (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig);
void potfile_init (potfile_ctx_t *potfile_ctx, const char *profile_dir, const char *potfile_path);
int potfile_read_open (potfile_ctx_t *potfile_ctx);
void potfile_read_parse (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig);
void potfile_read_close (potfile_ctx_t *potfile_ctx);
int potfile_write_open (potfile_ctx_t *potfile_ctx);
void potfile_write_close (potfile_ctx_t *potfile_ctx);
void potfile_write_append (potfile_ctx_t *potfile_ctx, const char *out_buf, u8 *plain_ptr, unsigned int plain_len);
void potfile_hash_alloc (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, const uint num);
void potfile_hash_free (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig);
int potfile_remove_parse (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, const hash_t *hashes_buf, const uint hashes_cnt);
void potfile_destroy (potfile_ctx_t *potfile_ctx);
void potfile_init (potfile_ctx_t *potfile_ctx, const char *profile_dir, const char *potfile_path);
int potfile_read_open (potfile_ctx_t *potfile_ctx);
void potfile_read_parse (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig);
void potfile_read_close (potfile_ctx_t *potfile_ctx);
int potfile_write_open (potfile_ctx_t *potfile_ctx);
void potfile_write_close (potfile_ctx_t *potfile_ctx);
void potfile_write_append (potfile_ctx_t *potfile_ctx, const char *out_buf, u8 *plain_ptr, unsigned int plain_len);
void potfile_hash_alloc (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, const uint num);
void potfile_hash_free (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig);
void potfile_show_request (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp);
void potfile_left_request (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp);
void potfile_show_request_lm (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp);
void potfile_left_request_lm (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp);
int potfile_remove_parse (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, const hash_t *hashes_buf, const uint hashes_cnt);
void potfile_destroy (potfile_ctx_t *potfile_ctx);
#endif // _POTFILE_H

View File

@ -581,7 +581,7 @@ void format_debug (char *debug_file, uint debug_mode, unsigned char *orig_plain_
}
}
void format_output (FILE *out_fp, char *out_buf, unsigned char *plain_ptr, const uint plain_len, const u64 crackpos, unsigned char *username, const uint user_len, hashconfig_t *hashconfig)
void format_output (FILE *out_fp, char *out_buf, unsigned char *plain_ptr, const uint plain_len, const u64 crackpos, unsigned char *username, const uint user_len, const hashconfig_t *hashconfig)
{
uint outfile_format = data.outfile_format;
@ -6556,8 +6556,8 @@ int main (int argc, char **argv)
tmp_salt->salt_len += 1 + 12 + 1 + 12;
}
if (show == 1) handle_show_request (potfile_ctx->pot, potfile_ctx->pot_cnt, (char *) hashes_buf[hashes_cnt].salt->salt_buf, hashes_buf[hashes_cnt].salt->salt_len, &hashes_buf[hashes_cnt], sort_by_salt_buf, out_fp, hashconfig);
if (left == 1) handle_left_request (potfile_ctx->pot, potfile_ctx->pot_cnt, (char *) hashes_buf[hashes_cnt].salt->salt_buf, hashes_buf[hashes_cnt].salt->salt_len, &hashes_buf[hashes_cnt], sort_by_salt_buf, out_fp, hashconfig);
if (show == 1) potfile_show_request (potfile_ctx, hashconfig, (char *) hashes_buf[hashes_cnt].salt->salt_buf, hashes_buf[hashes_cnt].salt->salt_len, &hashes_buf[hashes_cnt], sort_by_salt_buf, out_fp);
if (left == 1) potfile_left_request (potfile_ctx, hashconfig, (char *) hashes_buf[hashes_cnt].salt->salt_buf, hashes_buf[hashes_cnt].salt->salt_len, &hashes_buf[hashes_cnt], sort_by_salt_buf, out_fp);
hashes_cnt++;
}
@ -6604,8 +6604,8 @@ int main (int argc, char **argv)
if ((lm_hash_left != NULL) && (lm_hash_right != NULL))
{
if (show == 1) handle_show_request_lm (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request_lm (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request_lm (potfile_ctx, hashconfig, input_buf, input_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp);
if (left == 1) potfile_left_request_lm (potfile_ctx, hashconfig, input_buf, input_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp);
}
}
else
@ -6614,8 +6614,8 @@ int main (int argc, char **argv)
if (parser_status == PARSER_OK)
{
if (show == 1) handle_show_request (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request (potfile_ctx, hashconfig, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
if (left == 1) potfile_left_request (potfile_ctx, hashconfig, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
}
if (parser_status == PARSER_OK)
@ -6634,8 +6634,8 @@ int main (int argc, char **argv)
if (parser_status == PARSER_OK)
{
if (show == 1) handle_show_request (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request (potfile_ctx->pot, potfile_ctx->pot_cnt, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request (potfile_ctx, hashconfig, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
if (left == 1) potfile_left_request (potfile_ctx, hashconfig, input_buf, input_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
}
if (parser_status == PARSER_OK)
@ -6765,8 +6765,8 @@ int main (int argc, char **argv)
// show / left
if (show == 1) handle_show_request_lm (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request_lm (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request_lm (potfile_ctx, hashconfig, line_buf, line_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp);
if (left == 1) potfile_left_request_lm (potfile_ctx, hashconfig, line_buf, line_len, lm_hash_left, lm_hash_right, sort_by_pot, out_fp);
}
else
{
@ -6781,8 +6781,8 @@ int main (int argc, char **argv)
if (data.quiet == 0) if ((hashes_cnt % 0x20000) == 0) log_info_nn ("Parsed Hashes: %u/%u (%0.2f%%)", hashes_cnt, hashes_avail, ((double) hashes_cnt / hashes_avail) * 100);
if (show == 1) handle_show_request (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request (potfile_ctx, hashconfig, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
if (left == 1) potfile_left_request (potfile_ctx, hashconfig, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
hashes_cnt++;
}
@ -6800,8 +6800,8 @@ int main (int argc, char **argv)
if (data.quiet == 0) if ((hashes_cnt % 0x20000) == 0) log_info_nn ("Parsed Hashes: %u/%u (%0.2f%%)", hashes_cnt, hashes_avail, ((double) hashes_cnt / hashes_avail) * 100);
if (show == 1) handle_show_request (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (left == 1) handle_left_request (potfile_ctx->pot, potfile_ctx->pot_cnt, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp, hashconfig);
if (show == 1) potfile_show_request (potfile_ctx, hashconfig, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
if (left == 1) potfile_left_request (potfile_ctx, hashconfig, line_buf, line_len, &hashes_buf[hashes_cnt], sort_by_pot, out_fp);
hashes_cnt++;
}

View File

@ -17,7 +17,7 @@
int sort_by_hash (const void *v1, const void *v2);
int sort_by_hash_no_salt (const void *v1, const void *v2);
void format_plain (FILE *fp, unsigned char *plain_ptr, uint plain_len, uint outfile_autohex);
void format_output (FILE *out_fp, char *out_buf, unsigned char *plain_ptr, const uint plain_len, const u64 crackpos, unsigned char *username, const uint user_len, hashconfig_t *hashconfig);
void format_output (FILE *out_fp, char *out_buf, unsigned char *plain_ptr, const uint plain_len, const u64 crackpos, unsigned char *username, const uint user_len, const hashconfig_t *hashconfig);
// get rid of this later
int sort_by_pot (const void *v1, const void *v2)
@ -108,260 +108,6 @@ int sort_by_hash_t_salt_hccap (const void *v1, const void *v2)
return 0;
}
void handle_show_request (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig)
{
pot_t pot_key;
pot_key.hash.salt = hashes_buf->salt;
pot_key.hash.digest = hashes_buf->digest;
pot_t *pot_ptr = (pot_t *) bsearch (&pot_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_ptr)
{
log_info_nn ("");
input_buf[input_len] = 0;
// user
unsigned char *username = NULL;
uint user_len = 0;
if (hashes_buf->hash_info)
{
user_t *user = hashes_buf->hash_info->user;
if (user)
{
username = (unsigned char *) (user->user_name);
user_len = user->user_len;
}
}
// do output the line
format_output (out_fp, input_buf, (unsigned char *) pot_ptr->plain_buf, pot_ptr->plain_len, 0, username, user_len, hashconfig);
}
}
void handle_left_request (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig)
{
pot_t pot_key;
memcpy (&pot_key.hash, hashes_buf, sizeof (hash_t));
pot_t *pot_ptr = (pot_t *) bsearch (&pot_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_ptr == NULL)
{
log_info_nn ("");
input_buf[input_len] = 0;
format_output (out_fp, input_buf, NULL, 0, 0, NULL, 0, hashconfig);
}
}
void handle_show_request_lm (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig)
{
// left
pot_t pot_left_key;
pot_left_key.hash.salt = hash_left->salt;
pot_left_key.hash.digest = hash_left->digest;
pot_t *pot_left_ptr = (pot_t *) bsearch (&pot_left_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
// right
uint weak_hash_found = 0;
pot_t pot_right_key;
pot_right_key.hash.salt = hash_right->salt;
pot_right_key.hash.digest = hash_right->digest;
pot_t *pot_right_ptr = (pot_t *) bsearch (&pot_right_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_right_ptr == NULL)
{
// special case, if "weak hash"
if (memcmp (hash_right->digest, LM_WEAK_HASH, 8) == 0)
{
weak_hash_found = 1;
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
// in theory this is not needed, but we are paranoia:
memset (pot_right_ptr->plain_buf, 0, sizeof (pot_right_ptr->plain_buf));
pot_right_ptr->plain_len = 0;
}
}
if ((pot_left_ptr == NULL) && (pot_right_ptr == NULL))
{
if (weak_hash_found == 1) myfree (pot_right_ptr); // this shouldn't happen at all: if weak_hash_found == 1, than pot_right_ptr is not NULL for sure
return;
}
// at least one half was found:
log_info_nn ("");
input_buf[input_len] = 0;
// user
unsigned char *username = NULL;
uint user_len = 0;
if (hash_left->hash_info)
{
user_t *user = hash_left->hash_info->user;
if (user)
{
username = (unsigned char *) (user->user_name);
user_len = user->user_len;
}
}
// mask the part which was not found
uint left_part_masked = 0;
uint right_part_masked = 0;
uint mask_plain_len = strlen (LM_MASKED_PLAIN);
if (pot_left_ptr == NULL)
{
left_part_masked = 1;
pot_left_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
memset (pot_left_ptr->plain_buf, 0, sizeof (pot_left_ptr->plain_buf));
memcpy (pot_left_ptr->plain_buf, LM_MASKED_PLAIN, mask_plain_len);
pot_left_ptr->plain_len = mask_plain_len;
}
if (pot_right_ptr == NULL)
{
right_part_masked = 1;
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
memset (pot_right_ptr->plain_buf, 0, sizeof (pot_right_ptr->plain_buf));
memcpy (pot_right_ptr->plain_buf, LM_MASKED_PLAIN, mask_plain_len);
pot_right_ptr->plain_len = mask_plain_len;
}
// create the pot_ptr out of pot_left_ptr and pot_right_ptr
pot_t pot_ptr;
pot_ptr.plain_len = pot_left_ptr->plain_len + pot_right_ptr->plain_len;
memcpy (pot_ptr.plain_buf, pot_left_ptr->plain_buf, pot_left_ptr->plain_len);
memcpy (pot_ptr.plain_buf + pot_left_ptr->plain_len, pot_right_ptr->plain_buf, pot_right_ptr->plain_len);
// do output the line
format_output (out_fp, input_buf, (unsigned char *) pot_ptr.plain_buf, pot_ptr.plain_len, 0, username, user_len, hashconfig);
if (weak_hash_found == 1) myfree (pot_right_ptr);
if (left_part_masked == 1) myfree (pot_left_ptr);
if (right_part_masked == 1) myfree (pot_right_ptr);
}
void handle_left_request_lm (pot_t *pot, uint pot_cnt, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp, hashconfig_t *hashconfig)
{
// left
pot_t pot_left_key;
memcpy (&pot_left_key.hash, hash_left, sizeof (hash_t));
pot_t *pot_left_ptr = (pot_t *) bsearch (&pot_left_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
// right
pot_t pot_right_key;
memcpy (&pot_right_key.hash, hash_right, sizeof (hash_t));
pot_t *pot_right_ptr = (pot_t *) bsearch (&pot_right_key, pot, pot_cnt, sizeof (pot_t), sort_by_pot);
uint weak_hash_found = 0;
if (pot_right_ptr == NULL)
{
// special case, if "weak hash"
if (memcmp (hash_right->digest, LM_WEAK_HASH, 8) == 0)
{
weak_hash_found = 1;
// we just need that pot_right_ptr is not a NULL pointer
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
}
}
if ((pot_left_ptr != NULL) && (pot_right_ptr != NULL))
{
if (weak_hash_found == 1) myfree (pot_right_ptr);
return;
}
// ... at least one part was not cracked
log_info_nn ("");
input_buf[input_len] = 0;
// only show the hash part which is still not cracked
uint user_len = (uint)input_len - 32u;
char *hash_output = (char *) mymalloc (33);
memcpy (hash_output, input_buf, input_len);
if (pot_left_ptr != NULL)
{
// only show right part (because left part was already found)
memcpy (hash_output + user_len, input_buf + user_len + 16, 16);
hash_output[user_len + 16] = 0;
}
if (pot_right_ptr != NULL)
{
// only show left part (because right part was already found)
memcpy (hash_output + user_len, input_buf + user_len, 16);
hash_output[user_len + 16] = 0;
}
format_output (out_fp, hash_output, NULL, 0, 0, NULL, 0, hashconfig);
myfree (hash_output);
if (weak_hash_found == 1) myfree (pot_right_ptr);
}
void potfile_init (potfile_ctx_t *potfile_ctx, const char *profile_dir, const char *potfile_path)
{
potfile_ctx->fp = NULL;
@ -587,6 +333,260 @@ void potfile_hash_free (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconf
}
}
void potfile_show_request (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp)
{
pot_t pot_key;
pot_key.hash.salt = hashes_buf->salt;
pot_key.hash.digest = hashes_buf->digest;
pot_t *pot_ptr = (pot_t *) bsearch (&pot_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_ptr)
{
log_info_nn ("");
input_buf[input_len] = 0;
// user
unsigned char *username = NULL;
uint user_len = 0;
if (hashes_buf->hash_info)
{
user_t *user = hashes_buf->hash_info->user;
if (user)
{
username = (unsigned char *) (user->user_name);
user_len = user->user_len;
}
}
// do output the line
format_output (out_fp, input_buf, (unsigned char *) pot_ptr->plain_buf, pot_ptr->plain_len, 0, username, user_len, hashconfig);
}
}
void potfile_left_request (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hashes_buf, int (*sort_by_pot) (const void *, const void *), FILE *out_fp)
{
pot_t pot_key;
memcpy (&pot_key.hash, hashes_buf, sizeof (hash_t));
pot_t *pot_ptr = (pot_t *) bsearch (&pot_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_ptr == NULL)
{
log_info_nn ("");
input_buf[input_len] = 0;
format_output (out_fp, input_buf, NULL, 0, 0, NULL, 0, hashconfig);
}
}
void potfile_show_request_lm (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp)
{
// left
pot_t pot_left_key;
pot_left_key.hash.salt = hash_left->salt;
pot_left_key.hash.digest = hash_left->digest;
pot_t *pot_left_ptr = (pot_t *) bsearch (&pot_left_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
// right
uint weak_hash_found = 0;
pot_t pot_right_key;
pot_right_key.hash.salt = hash_right->salt;
pot_right_key.hash.digest = hash_right->digest;
pot_t *pot_right_ptr = (pot_t *) bsearch (&pot_right_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
if (pot_right_ptr == NULL)
{
// special case, if "weak hash"
if (memcmp (hash_right->digest, LM_WEAK_HASH, 8) == 0)
{
weak_hash_found = 1;
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
// in theory this is not needed, but we are paranoia:
memset (pot_right_ptr->plain_buf, 0, sizeof (pot_right_ptr->plain_buf));
pot_right_ptr->plain_len = 0;
}
}
if ((pot_left_ptr == NULL) && (pot_right_ptr == NULL))
{
if (weak_hash_found == 1) myfree (pot_right_ptr); // this shouldn't happen at all: if weak_hash_found == 1, than pot_right_ptr is not NULL for sure
return;
}
// at least one half was found:
log_info_nn ("");
input_buf[input_len] = 0;
// user
unsigned char *username = NULL;
uint user_len = 0;
if (hash_left->hash_info)
{
user_t *user = hash_left->hash_info->user;
if (user)
{
username = (unsigned char *) (user->user_name);
user_len = user->user_len;
}
}
// mask the part which was not found
uint left_part_masked = 0;
uint right_part_masked = 0;
uint mask_plain_len = strlen (LM_MASKED_PLAIN);
if (pot_left_ptr == NULL)
{
left_part_masked = 1;
pot_left_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
memset (pot_left_ptr->plain_buf, 0, sizeof (pot_left_ptr->plain_buf));
memcpy (pot_left_ptr->plain_buf, LM_MASKED_PLAIN, mask_plain_len);
pot_left_ptr->plain_len = mask_plain_len;
}
if (pot_right_ptr == NULL)
{
right_part_masked = 1;
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
memset (pot_right_ptr->plain_buf, 0, sizeof (pot_right_ptr->plain_buf));
memcpy (pot_right_ptr->plain_buf, LM_MASKED_PLAIN, mask_plain_len);
pot_right_ptr->plain_len = mask_plain_len;
}
// create the pot_ptr out of pot_left_ptr and pot_right_ptr
pot_t pot_ptr;
pot_ptr.plain_len = pot_left_ptr->plain_len + pot_right_ptr->plain_len;
memcpy (pot_ptr.plain_buf, pot_left_ptr->plain_buf, pot_left_ptr->plain_len);
memcpy (pot_ptr.plain_buf + pot_left_ptr->plain_len, pot_right_ptr->plain_buf, pot_right_ptr->plain_len);
// do output the line
format_output (out_fp, input_buf, (unsigned char *) pot_ptr.plain_buf, pot_ptr.plain_len, 0, username, user_len, hashconfig);
if (weak_hash_found == 1) myfree (pot_right_ptr);
if (left_part_masked == 1) myfree (pot_left_ptr);
if (right_part_masked == 1) myfree (pot_right_ptr);
}
void potfile_left_request_lm (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, char *input_buf, int input_len, hash_t *hash_left, hash_t *hash_right, int (*sort_by_pot) (const void *, const void *), FILE *out_fp)
{
// left
pot_t pot_left_key;
memcpy (&pot_left_key.hash, hash_left, sizeof (hash_t));
pot_t *pot_left_ptr = (pot_t *) bsearch (&pot_left_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
// right
pot_t pot_right_key;
memcpy (&pot_right_key.hash, hash_right, sizeof (hash_t));
pot_t *pot_right_ptr = (pot_t *) bsearch (&pot_right_key, potfile_ctx->pot, potfile_ctx->pot_cnt, sizeof (pot_t), sort_by_pot);
uint weak_hash_found = 0;
if (pot_right_ptr == NULL)
{
// special case, if "weak hash"
if (memcmp (hash_right->digest, LM_WEAK_HASH, 8) == 0)
{
weak_hash_found = 1;
// we just need that pot_right_ptr is not a NULL pointer
pot_right_ptr = (pot_t *) mycalloc (1, sizeof (pot_t));
}
}
if ((pot_left_ptr != NULL) && (pot_right_ptr != NULL))
{
if (weak_hash_found == 1) myfree (pot_right_ptr);
return;
}
// ... at least one part was not cracked
log_info_nn ("");
input_buf[input_len] = 0;
// only show the hash part which is still not cracked
uint user_len = (uint)input_len - 32u;
char *hash_output = (char *) mymalloc (33);
memcpy (hash_output, input_buf, input_len);
if (pot_left_ptr != NULL)
{
// only show right part (because left part was already found)
memcpy (hash_output + user_len, input_buf + user_len + 16, 16);
hash_output[user_len + 16] = 0;
}
if (pot_right_ptr != NULL)
{
// only show left part (because right part was already found)
memcpy (hash_output + user_len, input_buf + user_len, 16);
hash_output[user_len + 16] = 0;
}
format_output (out_fp, hash_output, NULL, 0, 0, NULL, 0, hashconfig);
myfree (hash_output);
if (weak_hash_found == 1) myfree (pot_right_ptr);
}
int potfile_remove_parse (potfile_ctx_t *potfile_ctx, const hashconfig_t *hashconfig, const hash_t *hashes_buf, const uint hashes_cnt)
{
// no solution for these special hash types (for instane because they use hashfile in output etc)