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hashcat/src/hashes.c

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "memory.h"
#include "event.h"
#include "hashes.h"
#include "debugfile.h"
#include "filehandling.h"
#include "hlfmt.h"
#include "interface.h"
#include "logfile.h"
#include "loopback.h"
#include "mpsp.h"
#include "opencl.h"
#include "outfile.h"
#include "potfile.h"
#include "rp.h"
#include "rp_kernel_on_cpu.h"
#include "shared.h"
#include "thread.h"
#include "timer.h"
#include "locking.h"
int sort_by_digest_p0p1 (const void *v1, const void *v2, void *v3)
{
const u32 *d1 = (const u32 *) v1;
const u32 *d2 = (const u32 *) v2;
hashconfig_t *hashconfig = (hashconfig_t *) v3;
const u32 dgst_pos0 = hashconfig->dgst_pos0;
const u32 dgst_pos1 = hashconfig->dgst_pos1;
const u32 dgst_pos2 = hashconfig->dgst_pos2;
const u32 dgst_pos3 = hashconfig->dgst_pos3;
if (d1[dgst_pos3] > d2[dgst_pos3]) return 1;
if (d1[dgst_pos3] < d2[dgst_pos3]) return -1;
if (d1[dgst_pos2] > d2[dgst_pos2]) return 1;
if (d1[dgst_pos2] < d2[dgst_pos2]) return -1;
if (d1[dgst_pos1] > d2[dgst_pos1]) return 1;
if (d1[dgst_pos1] < d2[dgst_pos1]) return -1;
if (d1[dgst_pos0] > d2[dgst_pos0]) return 1;
if (d1[dgst_pos0] < d2[dgst_pos0]) return -1;
return 0;
}
int sort_by_salt (const void *v1, const void *v2)
{
const salt_t *s1 = (const salt_t *) v1;
const salt_t *s2 = (const salt_t *) v2;
const int res1 = (int) s1->salt_len - (int) s2->salt_len;
if (res1 != 0) return (res1);
const int res2 = (int) s1->salt_iter - (int) s2->salt_iter;
if (res2 != 0) return (res2);
for (int n = 0; n < 16; n++)
{
if (s1->salt_buf[n] > s2->salt_buf[n]) return 1;
if (s1->salt_buf[n] < s2->salt_buf[n]) return -1;
}
for (int n = 0; n < 8; n++)
{
if (s1->salt_buf_pc[n] > s2->salt_buf_pc[n]) return 1;
if (s1->salt_buf_pc[n] < s2->salt_buf_pc[n]) return -1;
}
return 0;
}
int sort_by_hash (const void *v1, const void *v2, void *v3)
{
const hash_t *h1 = (const hash_t *) v1;
const hash_t *h2 = (const hash_t *) v2;
hashconfig_t *hashconfig = (hashconfig_t *) v3;
if (hashconfig->is_salted)
{
const salt_t *s1 = h1->salt;
const salt_t *s2 = h2->salt;
int res = sort_by_salt (s1, s2);
if (res != 0) return (res);
}
const void *d1 = h1->digest;
const void *d2 = h2->digest;
return sort_by_digest_p0p1 (d1, d2, v3);
}
int sort_by_hash_no_salt (const void *v1, const void *v2, void *v3)
{
const hash_t *h1 = (const hash_t *) v1;
const hash_t *h2 = (const hash_t *) v2;
const void *d1 = h1->digest;
const void *d2 = h2->digest;
return sort_by_digest_p0p1 (d1, d2, v3);
}
int save_hash (hashcat_ctx_t *hashcat_ctx)
{
hashes_t *hashes = hashcat_ctx->hashes;
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
user_options_t *user_options = hashcat_ctx->user_options;
char *hashfile = hashes->hashfile;
char new_hashfile[256] = { 0 };
char old_hashfile[256] = { 0 };
snprintf (new_hashfile, 255, "%s.new", hashfile);
snprintf (old_hashfile, 255, "%s.old", hashfile);
unlink (new_hashfile);
char separator = hashconfig->separator;
FILE *fp = fopen (new_hashfile, "wb");
if (fp == NULL)
{
event_log_error (hashcat_ctx, "%s: %s", new_hashfile, strerror (errno));
return -1;
}
if (lock_file (fp) == -1)
{
fclose (fp);
event_log_error (hashcat_ctx, "%s: %s", new_hashfile, strerror (errno));
return -1;
}
u8 *out_buf = (u8 *) hcmalloc (HCBUFSIZ_LARGE);
for (u32 salt_pos = 0; salt_pos < hashes->salts_cnt; salt_pos++)
{
if (hashes->salts_shown[salt_pos] == 1) continue;
salt_t *salt_buf = &hashes->salts_buf[salt_pos];
for (u32 digest_pos = 0; digest_pos < salt_buf->digests_cnt; digest_pos++)
{
u32 idx = salt_buf->digests_offset + digest_pos;
if (hashes->digests_shown[idx] == 1) continue;
if (hashconfig->opts_type & OPTS_TYPE_BINARY_HASHFILE)
{
if (hashconfig->hash_mode == 2500)
{
hccapx_t hccapx;
to_hccapx_t (hashcat_ctx, &hccapx, salt_pos, digest_pos);
fwrite (&hccapx, sizeof (hccapx_t), 1, fp);
}
else
{
// TODO
}
}
else
{
if (user_options->username == true)
{
user_t *user = hashes->hash_info[idx]->user;
u32 i;
for (i = 0; i < user->user_len; i++) fputc (user->user_name[i], fp);
fputc (separator, fp);
}
out_buf[0] = 0;
ascii_digest (hashcat_ctx, (char *) out_buf, HCBUFSIZ_LARGE, salt_pos, digest_pos);
fprintf (fp, "%s" EOL, out_buf);
}
}
}
hcfree (out_buf);
fflush (fp);
fclose (fp);
unlink (old_hashfile);
if (rename (hashfile, old_hashfile) != 0)
{
event_log_error (hashcat_ctx, "Rename file '%s' to '%s': %s", hashfile, old_hashfile, strerror (errno));
return -1;
}
unlink (hashfile);
if (rename (new_hashfile, hashfile) != 0)
{
event_log_error (hashcat_ctx, "Rename file '%s' to '%s': %s", new_hashfile, hashfile, strerror (errno));
return -1;
}
unlink (old_hashfile);
return 0;
}
void check_hash (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, plain_t *plain)
{
debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
hashes_t *hashes = hashcat_ctx->hashes;
const u32 salt_pos = plain->salt_pos;
const u32 digest_pos = plain->digest_pos; // relative
// hash
u8 *out_buf = hashes->out_buf;
out_buf[0] = 0;
ascii_digest (hashcat_ctx, (char *) out_buf, HCBUFSIZ_LARGE, salt_pos, digest_pos);
// plain
u32 plain_buf[16] = { 0 };
u8 *plain_ptr = (u8 *) plain_buf;
int plain_len = 0;
build_plain (hashcat_ctx, device_param, plain, plain_buf, &plain_len);
// crackpos
u64 crackpos = 0;
build_crackpos (hashcat_ctx, device_param, plain, &crackpos);
// debug
u8 debug_rule_buf[BLOCK_SIZE] = { 0 };
int debug_rule_len = 0; // -1 error
u8 debug_plain_ptr[BLOCK_SIZE] = { 0 };
int debug_plain_len = 0;
build_debugdata (hashcat_ctx, device_param, plain, debug_rule_buf, &debug_rule_len, debug_plain_ptr, &debug_plain_len);
// no need for locking, we're in a mutex protected function
potfile_write_append (hashcat_ctx, (char *) out_buf, plain_ptr, plain_len);
// outfile, can be either to file or stdout
// if an error occurs opening the file, send to stdout as fallback
// the fp gets opened for each cracked hash so that the user can modify (move) the outfile while hashcat runs
outfile_write_open (hashcat_ctx);
u8 *tmp_buf = hashes->tmp_buf;
tmp_buf[0] = 0;
const int tmp_len = outfile_write (hashcat_ctx, (char *) out_buf, plain_ptr, plain_len, crackpos, NULL, 0, (char *) tmp_buf);
outfile_write_close (hashcat_ctx);
EVENT_DATA (EVENT_CRACKER_HASH_CRACKED, tmp_buf, tmp_len);
// if enabled, update also the loopback file
if (loopback_ctx->fp != NULL)
{
loopback_write_append (hashcat_ctx, plain_ptr, plain_len);
}
// if enabled, update also the (rule) debug file
if (debugfile_ctx->fp != NULL)
{
// the next check implies that:
// - (user_options->attack_mode == ATTACK_MODE_STRAIGHT)
// - debug_mode > 0
if ((debug_plain_len > 0) || (debug_rule_len > 0))
{
debugfile_write_append (hashcat_ctx, debug_rule_buf, debug_rule_len, plain_ptr, plain_len, debug_plain_ptr, debug_plain_len);
}
}
}
int check_cracked (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, const u32 salt_pos)
{
cpt_ctx_t *cpt_ctx = hashcat_ctx->cpt_ctx;
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
hashes_t *hashes = hashcat_ctx->hashes;
status_ctx_t *status_ctx = hashcat_ctx->status_ctx;
salt_t *salt_buf = &hashes->salts_buf[salt_pos];
u32 num_cracked;
cl_int CL_err;
CL_err = hc_clEnqueueReadBuffer (hashcat_ctx, device_param->command_queue, device_param->d_result, CL_TRUE, 0, sizeof (u32), &num_cracked, 0, NULL, NULL);
if (CL_err != CL_SUCCESS)
{
event_log_error (hashcat_ctx, "clEnqueueReadBuffer(): %s", val2cstr_cl (CL_err));
return -1;
}
if (num_cracked)
{
plain_t *cracked = (plain_t *) hccalloc (num_cracked, sizeof (plain_t));
CL_err = hc_clEnqueueReadBuffer (hashcat_ctx, device_param->command_queue, device_param->d_plain_bufs, CL_TRUE, 0, num_cracked * sizeof (plain_t), cracked, 0, NULL, NULL);
if (CL_err != CL_SUCCESS)
{
event_log_error (hashcat_ctx, "clEnqueueReadBuffer(): %s", val2cstr_cl (CL_err));
return -1;
}
u32 cpt_cracked = 0;
hc_thread_mutex_lock (status_ctx->mux_display);
for (u32 i = 0; i < num_cracked; i++)
{
const u32 hash_pos = cracked[i].hash_pos;
if (hashes->digests_shown[hash_pos] == 1) continue;
if ((hashconfig->opts_type & OPTS_TYPE_PT_NEVERCRACK) == 0)
{
hashes->digests_shown[hash_pos] = 1;
hashes->digests_done++;
cpt_cracked++;
salt_buf->digests_done++;
if (salt_buf->digests_done == salt_buf->digests_cnt)
{
hashes->salts_shown[salt_pos] = 1;
hashes->salts_done++;
}
}
if (hashes->salts_done == hashes->salts_cnt) mycracked (hashcat_ctx);
check_hash (hashcat_ctx, device_param, &cracked[i]);
}
hc_thread_mutex_unlock (status_ctx->mux_display);
hcfree (cracked);
if (cpt_cracked > 0)
{
hc_thread_mutex_lock (status_ctx->mux_display);
cpt_ctx->cpt_buf[cpt_ctx->cpt_pos].timestamp = time (NULL);
cpt_ctx->cpt_buf[cpt_ctx->cpt_pos].cracked = cpt_cracked;
cpt_ctx->cpt_pos++;
cpt_ctx->cpt_total += cpt_cracked;
if (cpt_ctx->cpt_pos == CPT_CACHE) cpt_ctx->cpt_pos = 0;
hc_thread_mutex_unlock (status_ctx->mux_display);
}
if (hashconfig->opts_type & OPTS_TYPE_PT_NEVERCRACK)
{
// we need to reset cracked state on the device
// otherwise host thinks again and again the hash was cracked
// and returns invalid password each time
memset (hashes->digests_shown_tmp, 0, salt_buf->digests_cnt * sizeof (u32));
CL_err = hc_clEnqueueWriteBuffer (hashcat_ctx, device_param->command_queue, device_param->d_digests_shown, CL_TRUE, salt_buf->digests_offset * sizeof (u32), salt_buf->digests_cnt * sizeof (u32), &hashes->digests_shown_tmp[salt_buf->digests_offset], 0, NULL, NULL);
if (CL_err != CL_SUCCESS)
{
event_log_error (hashcat_ctx, "clEnqueueWriteBuffer(): %s", val2cstr_cl (CL_err));
return -1;
}
}
num_cracked = 0;
CL_err = hc_clEnqueueWriteBuffer (hashcat_ctx, device_param->command_queue, device_param->d_result, CL_TRUE, 0, sizeof (u32), &num_cracked, 0, NULL, NULL);
if (CL_err != CL_SUCCESS)
{
event_log_error (hashcat_ctx, "clEnqueueWriteBuffer(): %s", val2cstr_cl (CL_err));
return -1;
}
}
return 0;
}
int hashes_init_stage1 (hashcat_ctx_t *hashcat_ctx)
{
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
hashes_t *hashes = hashcat_ctx->hashes;
user_options_t *user_options = hashcat_ctx->user_options;
user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
char *hash_or_file = user_options_extra->hc_hash;
/**
* load hashes, part I: find input mode, count hashes
*/
u32 hashlist_mode = 0;
u32 hashlist_format = HLFMT_HASHCAT;
u32 hashes_avail = 0;
if ((user_options->benchmark == false) && (user_options->stdout_flag == false) && (user_options->keyspace == false))
{
hashlist_mode = (hc_path_exist (hash_or_file) == true) ? HL_MODE_FILE : HL_MODE_ARG;
if (hashconfig->opts_type & OPTS_TYPE_BINARY_HASHFILE)
{
hashlist_mode = HL_MODE_ARG;
char *hashfile = hash_or_file;
hashes->hashfile = hashfile;
}
if (hashlist_mode == HL_MODE_ARG)
{
if (hashconfig->hash_mode == 2500)
{
hc_stat_t st;
if (hc_stat (hashes->hashfile, &st) == -1)
{
event_log_error (hashcat_ctx, "%s: %s", hashes->hashfile, strerror (errno));
return -1;
}
// 392 = old hccap_t size
if ((st.st_size % 392) == 0)
{
const int rc = check_old_hccap (hashes->hashfile);
if (rc == 1)
{
event_log_error (hashcat_ctx, "%s: Old hccap file format detected! You need to update: https://hashcat.net/forum/thread-6273.html", hashes->hashfile);
return -1;
}
}
hashes_avail = st.st_size / sizeof (hccapx_t);
}
else if (hashconfig->hash_mode == 14600)
{
hc_stat_t st;
if (hc_stat (hashes->hashfile, &st) == -1)
{
event_log_error (hashcat_ctx, "%s: %s", hashes->hashfile, strerror (errno));
return -1;
}
hashes_avail = LUKS_NUMKEYS;
}
else
{
hashes_avail = 1;
}
}
else if (hashlist_mode == HL_MODE_FILE)
{
char *hashfile = hash_or_file;
hashes->hashfile = hashfile;
FILE *fp = NULL;
if ((fp = fopen (hashfile, "rb")) == NULL)
{
event_log_error (hashcat_ctx, "%s: %s", hashfile, strerror (errno));
return -1;
}
EVENT_DATA (EVENT_HASHLIST_COUNT_LINES_PRE, hashfile, strlen (hashfile));
hashes_avail = count_lines (fp);
EVENT_DATA (EVENT_HASHLIST_COUNT_LINES_POST, hashfile, strlen (hashfile));
rewind (fp);
if (hashes_avail == 0)
{
event_log_error (hashcat_ctx, "hashfile is empty or corrupt");
fclose (fp);
return -1;
}
hashlist_format = hlfmt_detect (hashcat_ctx, fp, 100); // 100 = max numbers to "scan". could be hashes_avail, too
if ((user_options->remove == 1) && (hashlist_format != HLFMT_HASHCAT))
{
event_log_error (hashcat_ctx, "remove not supported in native hashfile-format mode");
fclose (fp);
return -1;
}
fclose (fp);
}
}
else
{
hashlist_mode = HL_MODE_ARG;
hashes_avail = 1;
}
if (hashconfig->hash_mode == 3000) hashes_avail *= 2;
hashes->hashlist_mode = hashlist_mode;
hashes->hashlist_format = hashlist_format;
/**
* load hashes, part II: allocate required memory, set pointers
*/
hash_t *hashes_buf = (hash_t *) hccalloc (hashes_avail, sizeof (hash_t));
void *digests_buf = (void *) hccalloc (hashes_avail, hashconfig->dgst_size);
salt_t *salts_buf = NULL;
void *esalts_buf = NULL;
void *hook_salts_buf = NULL;
if ((user_options->username == true) || (hashconfig->opts_type & OPTS_TYPE_HASH_COPY) || (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT))
{
u32 hash_pos;
for (hash_pos = 0; hash_pos < hashes_avail; hash_pos++)
{
hashinfo_t *hash_info = (hashinfo_t *) hcmalloc (sizeof (hashinfo_t));
hashes_buf[hash_pos].hash_info = hash_info;
if (user_options->username == true)
{
hash_info->user = (user_t *) hcmalloc (sizeof (user_t));
}
if (hashconfig->opts_type & OPTS_TYPE_HASH_COPY)
{
if (user_options->benchmark == false)
{
hash_info->orighash = (char *) hcmalloc (256);
}
}
if (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT)
{
hash_info->split = (split_t *) hcmalloc (sizeof (split_t));
}
}
}
if (hashconfig->is_salted)
{
salts_buf = (salt_t *) hccalloc (hashes_avail, sizeof (salt_t));
if (hashconfig->esalt_size)
{
esalts_buf = (void *) hccalloc (hashes_avail, hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
hook_salts_buf = (seven_zip_hook_salt_t *) hccalloc (hashes_avail, hashconfig->hook_salt_size);
}
}
else
{
salts_buf = (salt_t *) hccalloc (1, sizeof (salt_t));
}
for (u32 hash_pos = 0; hash_pos < hashes_avail; hash_pos++)
{
hashes_buf[hash_pos].digest = ((char *) digests_buf) + (hash_pos * hashconfig->dgst_size);
if (hashconfig->is_salted)
{
hashes_buf[hash_pos].salt = &salts_buf[hash_pos];
if (hashconfig->esalt_size)
{
hashes_buf[hash_pos].esalt = ((char *) esalts_buf) + (hash_pos * hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
hashes_buf[hash_pos].hook_salt = ((char *) hook_salts_buf) + (hash_pos * hashconfig->hook_salt_size);
}
}
else
{
hashes_buf[hash_pos].salt = &salts_buf[0];
}
}
hashes->hashes_buf = hashes_buf;
hashes->digests_buf = digests_buf;
hashes->salts_buf = salts_buf;
hashes->esalts_buf = esalts_buf;
hashes->hook_salts_buf = hook_salts_buf;
/**
* load hashes, part III: parse hashes or generate them if benchmark
*/
u32 hashes_cnt = 0;
if (user_options->benchmark == true)
{
hashconfig_benchmark_defaults (hashcat_ctx, hashes_buf[0].salt, hashes_buf[0].esalt, hashes_buf[0].hook_salt);
hashes->hashfile = "-";
hashes_cnt = 1;
}
else if (user_options->keyspace == true)
{
}
else if (user_options->stdout_flag == true)
{
}
else if (user_options->opencl_info == true)
{
}
else
{
if (hashes_avail == 0)
{
// ???
}
else if (hashlist_mode == HL_MODE_ARG)
{
char *input_buf = hash_or_file;
u32 input_len = strlen (input_buf);
char *hash_buf = NULL;
int hash_len = 0;
hlfmt_hash (hashcat_ctx, hashlist_format, input_buf, input_len, &hash_buf, &hash_len);
bool hash_fmt_error = 0;
if (hash_len < 1) hash_fmt_error = 1;
if (hash_buf == NULL) hash_fmt_error = 1;
if (hash_fmt_error)
{
event_log_warning (hashcat_ctx, "Failed to parse hashes using the '%s' format", strhlfmt (hashlist_format));
}
else
{
if (hashconfig->opts_type & OPTS_TYPE_HASH_COPY)
{
hashinfo_t *hash_info_tmp = hashes_buf[hashes_cnt].hash_info;
hash_info_tmp->orighash = hcstrdup (hash_buf);
}
if (hashconfig->is_salted)
{
memset (hashes_buf[0].salt, 0, sizeof (salt_t));
}
if (hashconfig->esalt_size)
{
memset (hashes_buf[0].esalt, 0, hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
memset (hashes_buf[0].hook_salt, 0, hashconfig->hook_salt_size);
}
int parser_status = PARSER_OK;
if (hashconfig->hash_mode == 2500)
{
hashlist_mode = HL_MODE_FILE;
hashes->hashlist_mode = hashlist_mode;
FILE *fp = fopen (hash_buf, "rb");
if (fp == NULL)
{
event_log_error (hashcat_ctx, "%s: %s", hash_buf, strerror (errno));
return -1;
}
char *in = (char *) hcmalloc (sizeof (hccapx_t));
while (!feof (fp))
{
const size_t nread = fread (in, sizeof (hccapx_t), 1, fp);
if (nread == 0) break;
if (hashes_avail == hashes_cnt)
{
event_log_warning (hashcat_ctx, "Hashfile '%s': File changed during runtime, skipping new data", hash_buf);
break;
}
if (hashconfig->is_salted)
{
memset (hashes_buf[hashes_cnt].salt, 0, sizeof (salt_t));
}
if (hashconfig->esalt_size)
{
memset (hashes_buf[hashes_cnt].esalt, 0, hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
memset (hashes_buf[hashes_cnt].hook_salt, 0, hashconfig->hook_salt_size);
}
parser_status = hashconfig->parse_func ((u8 *) in, sizeof (hccapx_t), &hashes_buf[hashes_cnt], hashconfig);
if (parser_status != PARSER_OK)
{
event_log_warning (hashcat_ctx, "Hashfile '%s': %s", hash_buf, strparser (parser_status));
continue;
}
hashes_cnt++;
}
hcfree (in);
fclose (fp);
}
else if (hashconfig->hash_mode == 3000)
{
if (hash_len == 32)
{
parser_status = hashconfig->parse_func ((u8 *) hash_buf, 16, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status == PARSER_OK)
{
hashes_buf[hashes_cnt].hash_info->split->split_group = 0;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_LEFT;
hashes_cnt++;
}
else
{
event_log_warning (hashcat_ctx, "Hash '%s': %s", input_buf, strparser (parser_status));
}
parser_status = hashconfig->parse_func ((u8 *) hash_buf + 16, 16, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status == PARSER_OK)
{
hashes_buf[hashes_cnt].hash_info->split->split_group = 0;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_RIGHT;
hashes_cnt++;
}
else
{
event_log_warning (hashcat_ctx, "Hash '%s': %s", input_buf, strparser (parser_status));
}
}
else
{
parser_status = hashconfig->parse_func ((u8 *) hash_buf, hash_len, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status == PARSER_OK)
{
hashes_buf[hashes_cnt].hash_info->split->split_group = 0;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_NONE;
hashes_cnt++;
}
else
{
event_log_warning (hashcat_ctx, "Hash '%s': %s", input_buf, strparser (parser_status));
}
}
}
else if (hashconfig->hash_mode == 14600)
{
hashlist_mode = HL_MODE_FILE;
hashes->hashlist_mode = hashlist_mode;
for (int keyslot_idx = 0; keyslot_idx < LUKS_NUMKEYS; keyslot_idx++)
{
parser_status = luks_parse_hash ((u8 *) hash_buf, hash_len, &hashes_buf[hashes_cnt], hashconfig, keyslot_idx);
if (parser_status != PARSER_OK)
{
if (parser_status != PARSER_LUKS_KEY_DISABLED)
{
event_log_warning (hashcat_ctx, "Hashfile '%s': %s", hash_buf, strparser (parser_status));
}
continue;
}
hashes_cnt++;
}
}
else
{
parser_status = hashconfig->parse_func ((u8 *) hash_buf, hash_len, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status == PARSER_OK)
{
hashes_cnt++;
}
else
{
event_log_warning (hashcat_ctx, "Hash '%s': %s", input_buf, strparser (parser_status));
}
}
}
}
else if (hashlist_mode == HL_MODE_FILE)
{
char *hashfile = hashes->hashfile;
FILE *fp;
if ((fp = fopen (hashfile, "rb")) == NULL)
{
event_log_error (hashcat_ctx, "%s: %s", hashfile, strerror (errno));
return -1;
}
u32 line_num = 0;
char *line_buf = (char *) hcmalloc (HCBUFSIZ_LARGE);
time_t prev = 0;
time_t now = 0;
while (!feof (fp))
{
line_num++;
int line_len = fgetl (fp, line_buf);
if (line_len == 0) continue;
if (hashes_avail == hashes_cnt)
{
event_log_warning (hashcat_ctx, "Hashfile '%s' on line %u: File changed during runtime, skipping new data", hashes->hashfile, line_num);
break;
}
char *hash_buf = NULL;
int hash_len = 0;
hlfmt_hash (hashcat_ctx, hashlist_format, line_buf, line_len, &hash_buf, &hash_len);
bool hash_fmt_error = 0;
if (hash_len < 1) hash_fmt_error = 1;
if (hash_buf == NULL) hash_fmt_error = 1;
if (hash_fmt_error)
{
event_log_warning (hashcat_ctx, "failed to parse hashes using the '%s' format", strhlfmt (hashlist_format));
continue;
}
if (user_options->username == true)
{
char *user_buf = NULL;
int user_len = 0;
hlfmt_user (hashcat_ctx, hashlist_format, line_buf, line_len, &user_buf, &user_len);
// special case:
// both hash_t need to have the username info if the pwdump format is used (i.e. we have 2 hashes for 3000, both with same user)
u32 hashes_per_user = 1;
if (hashconfig->hash_mode == 3000) // the following conditions should be true if (hashlist_format == HLFMT_PWDUMP)
{
if (hash_len == 32)
{
hashes_per_user = 2;
}
}
for (u32 i = 0; i < hashes_per_user; i++)
{
user_t **user = &hashes_buf[hashes_cnt + i].hash_info->user;
*user = (user_t *) hcmalloc (sizeof (user_t));
user_t *user_ptr = *user;
if (user_buf != NULL)
{
user_ptr->user_name = hcstrdup (user_buf);
}
else
{
user_ptr->user_name = hcstrdup ("");
}
user_ptr->user_len = user_len;
}
}
if (hashconfig->opts_type & OPTS_TYPE_HASH_COPY)
{
hashinfo_t *hash_info_tmp = hashes_buf[hashes_cnt].hash_info;
hash_info_tmp->orighash = hcstrdup (hash_buf);
}
if (hashconfig->is_salted)
{
memset (hashes_buf[hashes_cnt].salt, 0, sizeof (salt_t));
}
if (hashconfig->esalt_size)
{
memset (hashes_buf[hashes_cnt].esalt, 0, hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
memset (hashes_buf[hashes_cnt].hook_salt, 0, hashconfig->hook_salt_size);
}
if (hashconfig->hash_mode == 3000)
{
if (hash_len == 32)
{
int parser_status = hashconfig->parse_func ((u8 *) hash_buf, 16, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status < PARSER_GLOBAL_ZERO)
{
event_log_warning (hashcat_ctx, "Hashfile '%s' on line %u (%s): %s", hashes->hashfile, line_num, line_buf, strparser (parser_status));
continue;
}
hashes_buf[hashes_cnt].hash_info->split->split_group = line_num;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_LEFT;
hashes_cnt++;
parser_status = hashconfig->parse_func ((u8 *) hash_buf + 16, 16, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status < PARSER_GLOBAL_ZERO)
{
event_log_warning (hashcat_ctx, "Hashfile '%s' on line %u (%s): %s", hashes->hashfile, line_num, line_buf, strparser (parser_status));
continue;
}
hashes_buf[hashes_cnt].hash_info->split->split_group = line_num;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_RIGHT;
hashes_cnt++;
}
else
{
int parser_status = hashconfig->parse_func ((u8 *) hash_buf, hash_len, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status < PARSER_GLOBAL_ZERO)
{
event_log_warning (hashcat_ctx, "Hashfile '%s' on line %u (%s): %s", hashes->hashfile, line_num, line_buf, strparser (parser_status));
continue;
}
hashes_buf[hashes_cnt].hash_info->split->split_group = line_num;
hashes_buf[hashes_cnt].hash_info->split->split_origin = SPLIT_ORIGIN_NONE;
hashes_cnt++;
}
}
else
{
int parser_status = hashconfig->parse_func ((u8 *) hash_buf, hash_len, &hashes_buf[hashes_cnt], hashconfig);
if (parser_status < PARSER_GLOBAL_ZERO)
{
event_log_warning (hashcat_ctx, "Hashfile '%s' on line %u (%s): %s", hashes->hashfile, line_num, line_buf, strparser (parser_status));
continue;
}
hashes_cnt++;
}
time (&now);
if ((now - prev) == 0) continue;
time (&prev);
hashlist_parse_t hashlist_parse;
hashlist_parse.hashes_cnt = hashes_cnt;
hashlist_parse.hashes_avail = hashes_avail;
EVENT_DATA (EVENT_HASHLIST_PARSE_HASH, &hashlist_parse, sizeof (hashlist_parse_t));
}
hashlist_parse_t hashlist_parse;
hashlist_parse.hashes_cnt = hashes_cnt;
hashlist_parse.hashes_avail = hashes_avail;
EVENT_DATA (EVENT_HASHLIST_PARSE_HASH, &hashlist_parse, sizeof (hashlist_parse_t));
hcfree (line_buf);
fclose (fp);
}
}
hashes->hashes_cnt = hashes_cnt;
if (hashes_cnt)
{
EVENT (EVENT_HASHLIST_SORT_HASH_PRE);
if (hashconfig->is_salted)
{
hc_qsort_r (hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash, (void *) hashconfig);
}
else
{
hc_qsort_r (hashes_buf, hashes_cnt, sizeof (hash_t), sort_by_hash_no_salt, (void *) hashconfig);
}
EVENT (EVENT_HASHLIST_SORT_HASH_POST);
}
if (hashconfig->hash_mode == 3000)
{
// update split split_neighbor after sorting
// see https://github.com/hashcat/hashcat/issues/1034 for good examples for testing
for (u32 i = 0; i < hashes_cnt; i++)
{
split_t *split1 = hashes_buf[i].hash_info->split;
if (split1->split_origin != SPLIT_ORIGIN_LEFT) continue;
for (u32 j = 0; j < hashes_cnt; j++)
{
split_t *split2 = hashes_buf[j].hash_info->split;
if (split2->split_origin != SPLIT_ORIGIN_RIGHT) continue;
if (split1->split_group != split2->split_group) continue;
split1->split_neighbor = j;
split2->split_neighbor = i;
break;
}
}
}
return 0;
}
int hashes_init_stage2 (hashcat_ctx_t *hashcat_ctx)
{
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
hashes_t *hashes = hashcat_ctx->hashes;
user_options_t *user_options = hashcat_ctx->user_options;
potfile_ctx_t *potfile_ctx = hashcat_ctx->potfile_ctx;
hash_t *hashes_buf = hashes->hashes_buf;
u32 hashes_cnt = hashes->hashes_cnt;
/**
* Remove duplicates
*/
EVENT (EVENT_HASHLIST_UNIQUE_HASH_PRE);
u32 hashes_cnt_new = 1;
for (u32 hashes_pos = 1; hashes_pos < hashes_cnt; hashes_pos++)
{
if (potfile_ctx->keep_all_hashes == true)
{
// do not sort, because we need to keep all hashes in this particular case
}
else if (hashconfig->is_salted)
{
if (sort_by_salt (hashes_buf[hashes_pos].salt, hashes_buf[hashes_pos - 1].salt) == 0)
{
if (sort_by_digest_p0p1 (hashes_buf[hashes_pos].digest, hashes_buf[hashes_pos - 1].digest, (void *) hashconfig) == 0) continue;
}
}
else
{
if (sort_by_digest_p0p1 (hashes_buf[hashes_pos].digest, hashes_buf[hashes_pos - 1].digest, (void *) hashconfig) == 0) continue;
}
hash_t tmp;
memcpy (&tmp, &hashes_buf[hashes_pos], sizeof (hash_t));
memcpy (&hashes_buf[hashes_cnt_new], &tmp, sizeof (hash_t));
hashes_cnt_new++;
}
for (u32 i = hashes_cnt_new; i < hashes->hashes_cnt; i++)
{
memset (&hashes_buf[i], 0, sizeof (hash_t));
}
hashes_cnt = hashes_cnt_new;
hashes->hashes_cnt = hashes_cnt;
EVENT (EVENT_HASHLIST_UNIQUE_HASH_POST);
/**
* Now generate all the buffers required for later
*/
void *digests_buf_new = (void *) hccalloc (hashes_cnt, hashconfig->dgst_size);
salt_t *salts_buf_new = NULL;
void *esalts_buf_new = NULL;
void *hook_salts_buf_new = NULL;
if (hashconfig->is_salted)
{
salts_buf_new = (salt_t *) hccalloc (hashes_cnt, sizeof (salt_t));
}
else
{
salts_buf_new = (salt_t *) hccalloc (1, sizeof (salt_t));
}
if (hashconfig->esalt_size)
{
esalts_buf_new = (void *) hccalloc (hashes_cnt, hashconfig->esalt_size);
}
if (hashconfig->hook_salt_size)
{
hook_salts_buf_new = (void *) hccalloc (hashes_cnt, hashconfig->hook_salt_size);
}
EVENT (EVENT_HASHLIST_SORT_SALT_PRE);
u32 digests_cnt = hashes_cnt;
u32 digests_done = 0;
u32 *digests_shown = (u32 *) hccalloc (digests_cnt, sizeof (u32));
u32 *digests_shown_tmp = (u32 *) hccalloc (digests_cnt, sizeof (u32));
u32 salts_cnt = 0;
u32 salts_done = 0;
hashinfo_t **hash_info = NULL;
if ((user_options->username == true) || (hashconfig->opts_type & OPTS_TYPE_HASH_COPY) || (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT))
{
hash_info = (hashinfo_t **) hccalloc (hashes_cnt, sizeof (hashinfo_t *));
}
u32 *salts_shown = (u32 *) hccalloc (digests_cnt, sizeof (u32));
salt_t *salt_buf;
{
// copied from inner loop
salt_buf = &salts_buf_new[salts_cnt];
memcpy (salt_buf, hashes_buf[0].salt, sizeof (salt_t));
hashes_buf[0].salt = salt_buf;
if (hashconfig->esalt_size)
{
char *esalts_buf_new_ptr = ((char *) esalts_buf_new) + (salts_cnt * hashconfig->esalt_size);
memcpy (esalts_buf_new_ptr, hashes_buf[0].esalt, hashconfig->esalt_size);
hashes_buf[0].esalt = esalts_buf_new_ptr;
}
if (hashconfig->hook_salt_size)
{
char *hook_salts_buf_new_ptr = ((char *) hook_salts_buf_new) + (salts_cnt * hashconfig->hook_salt_size);
memcpy (hook_salts_buf_new_ptr, hashes_buf[0].hook_salt, hashconfig->hook_salt_size);
hashes_buf[0].hook_salt = hook_salts_buf_new_ptr;
}
salt_buf->digests_cnt = 0;
salt_buf->digests_done = 0;
salt_buf->digests_offset = 0;
salts_cnt++;
}
salt_buf->digests_cnt++;
char *digests_buf_new_ptr = ((char *) digests_buf_new) + (0 * hashconfig->dgst_size);
memcpy (digests_buf_new_ptr, hashes_buf[0].digest, hashconfig->dgst_size);
hashes_buf[0].digest = digests_buf_new_ptr;
if ((user_options->username == true) || (hashconfig->opts_type & OPTS_TYPE_HASH_COPY) || (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT))
{
hash_info[0] = hashes_buf[0].hash_info;
}
// copy from inner loop
for (u32 hashes_pos = 1; hashes_pos < hashes_cnt; hashes_pos++)
{
if (hashconfig->is_salted)
{
if (sort_by_salt (hashes_buf[hashes_pos].salt, hashes_buf[hashes_pos - 1].salt) != 0)
{
salt_buf = &salts_buf_new[salts_cnt];
memcpy (salt_buf, hashes_buf[hashes_pos].salt, sizeof (salt_t));
hashes_buf[hashes_pos].salt = salt_buf;
if (hashconfig->esalt_size)
{
char *esalts_buf_new_ptr = ((char *) esalts_buf_new) + (salts_cnt * hashconfig->esalt_size);
memcpy (esalts_buf_new_ptr, hashes_buf[hashes_pos].esalt, hashconfig->esalt_size);
hashes_buf[hashes_pos].esalt = esalts_buf_new_ptr;
}
if (hashconfig->hook_salt_size)
{
char *hook_salts_buf_new_ptr = ((char *) hook_salts_buf_new) + (salts_cnt * hashconfig->hook_salt_size);
memcpy (hook_salts_buf_new_ptr, hashes_buf[hashes_pos].hook_salt, hashconfig->hook_salt_size);
hashes_buf[hashes_pos].hook_salt = hook_salts_buf_new_ptr;
}
salt_buf->digests_cnt = 0;
salt_buf->digests_done = 0;
salt_buf->digests_offset = hashes_pos;
salts_cnt++;
}
hashes_buf[hashes_pos].salt = salt_buf;
if (hashconfig->esalt_size)
{
char *esalts_buf_new_ptr = ((char *) esalts_buf_new) + (salts_cnt * hashconfig->esalt_size);
hashes_buf[hashes_pos].esalt = esalts_buf_new_ptr;
}
if (hashconfig->hook_salt_size)
{
char *hook_salts_buf_new_ptr = ((char *) hook_salts_buf_new) + (salts_cnt * hashconfig->hook_salt_size);
hashes_buf[hashes_pos].hook_salt = hook_salts_buf_new_ptr;
}
}
salt_buf->digests_cnt++;
digests_buf_new_ptr = ((char *) digests_buf_new) + (hashes_pos * hashconfig->dgst_size);
memcpy (digests_buf_new_ptr, hashes_buf[hashes_pos].digest, hashconfig->dgst_size);
hashes_buf[hashes_pos].digest = digests_buf_new_ptr;
if ((user_options->username == true) || (hashconfig->opts_type & OPTS_TYPE_HASH_COPY) || (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT))
{
hash_info[hashes_pos] = hashes_buf[hashes_pos].hash_info;
}
}
EVENT (EVENT_HASHLIST_SORT_SALT_POST);
hcfree (hashes->digests_buf);
hcfree (hashes->salts_buf);
hcfree (hashes->esalts_buf);
hcfree (hashes->hook_salts_buf);
hashes->digests_cnt = digests_cnt;
hashes->digests_done = digests_done;
hashes->digests_buf = digests_buf_new;
hashes->digests_shown = digests_shown;
hashes->digests_shown_tmp = digests_shown_tmp;
hashes->salts_cnt = salts_cnt;
hashes->salts_done = salts_done;
hashes->salts_buf = salts_buf_new;
hashes->salts_shown = salts_shown;
hashes->esalts_buf = esalts_buf_new;
hashes->hook_salts_buf = hook_salts_buf_new;
hashes->hash_info = hash_info;
return 0;
}
int hashes_init_stage3 (hashcat_ctx_t *hashcat_ctx)
{
hashes_t *hashes = hashcat_ctx->hashes;
u32 digests_done = hashes->digests_done;
u32 *digests_shown = hashes->digests_shown;
u32 salts_cnt = hashes->salts_cnt;
u32 salts_done = hashes->salts_done;
u32 *salts_shown = hashes->salts_shown;
hash_t *hashes_buf = hashes->hashes_buf;
salt_t *salts_buf = hashes->salts_buf;
for (u32 salt_idx = 0; salt_idx < salts_cnt; salt_idx++)
{
salt_t *salt_buf = salts_buf + salt_idx;
u32 digests_cnt = salt_buf->digests_cnt;
for (u32 digest_idx = 0; digest_idx < digests_cnt; digest_idx++)
{
const u32 hashes_idx = salt_buf->digests_offset + digest_idx;
if (hashes_buf[hashes_idx].cracked == 1)
{
digests_shown[hashes_idx] = 1;
digests_done++;
salt_buf->digests_done++;
}
}
if (salt_buf->digests_done == salt_buf->digests_cnt)
{
salts_shown[salt_idx] = 1;
salts_done++;
}
if (salts_done == salts_cnt) mycracked (hashcat_ctx);
}
hashes->digests_done = digests_done;
hashes->salts_cnt = salts_cnt;
hashes->salts_done = salts_done;
return 0;
}
int hashes_init_stage4 (hashcat_ctx_t *hashcat_ctx)
{
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
hashes_t *hashes = hashcat_ctx->hashes;
user_options_t *user_options = hashcat_ctx->user_options;
const int rc_defaults = hashconfig_general_defaults (hashcat_ctx);
if (rc_defaults == -1) return -1;
if (hashes->salts_cnt == 1)
hashconfig->opti_type |= OPTI_TYPE_SINGLE_SALT;
if (hashes->digests_cnt == 1)
hashconfig->opti_type |= OPTI_TYPE_SINGLE_HASH;
if (hashconfig->attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
hashconfig->opti_type |= OPTI_TYPE_NOT_ITERATED;
if (user_options->attack_mode == ATTACK_MODE_BF)
hashconfig->opti_type |= OPTI_TYPE_BRUTE_FORCE;
if (hashconfig->opti_type & OPTI_TYPE_BRUTE_FORCE)
{
if (hashconfig->opti_type & OPTI_TYPE_SINGLE_HASH)
{
if (hashconfig->opti_type & OPTI_TYPE_APPENDED_SALT)
{
if (hashconfig->opts_type & OPTS_TYPE_ST_ADD80)
{
hashconfig->opts_type &= ~OPTS_TYPE_ST_ADD80;
hashconfig->opts_type |= OPTS_TYPE_PT_ADD80;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_ADDBITS14)
{
hashconfig->opts_type &= ~OPTS_TYPE_ST_ADDBITS14;
hashconfig->opts_type |= OPTS_TYPE_PT_ADDBITS14;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_ADDBITS15)
{
hashconfig->opts_type &= ~OPTS_TYPE_ST_ADDBITS15;
hashconfig->opts_type |= OPTS_TYPE_PT_ADDBITS15;
}
}
}
}
// at this point we no longer need hash_t* structure
hash_t *hashes_buf = hashes->hashes_buf;
hcfree (hashes_buf);
hashes->hashes_cnt = 0;
hashes->hashes_buf = NULL;
// starting from here, we should allocate some scratch buffer for later use
u8 *out_buf = (u8 *) hcmalloc (HCBUFSIZ_LARGE);
hashes->out_buf = out_buf;
// we need two buffers in parallel
u8 *tmp_buf = (u8 *) hcmalloc (HCBUFSIZ_LARGE);
hashes->tmp_buf = tmp_buf;
// special wpa booster case
if (hashconfig->hash_mode == 2500)
{
wpa_essid_reuse (hashcat_ctx);
}
return 0;
}
void hashes_destroy (hashcat_ctx_t *hashcat_ctx)
{
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
user_options_t *user_options = hashcat_ctx->user_options;
hashes_t *hashes = hashcat_ctx->hashes;
hcfree (hashes->digests_buf);
hcfree (hashes->digests_shown);
hcfree (hashes->digests_shown_tmp);
hcfree (hashes->salts_buf);
hcfree (hashes->salts_shown);
if ((user_options->username == true) || (hashconfig->opts_type & OPTS_TYPE_HASH_COPY))
{
for (u32 hash_pos = 0; hash_pos < hashes->hashes_cnt; hash_pos++)
{
if (user_options->username == true)
{
hcfree (hashes->hash_info[hash_pos]->user);
}
if (hashconfig->opts_type & OPTS_TYPE_HASH_COPY)
{
hcfree (hashes->hash_info[hash_pos]->orighash);
}
if (hashconfig->opts_type & OPTS_TYPE_HASH_SPLIT)
{
hcfree (hashes->hash_info[hash_pos]->split);
}
}
}
hcfree (hashes->hash_info);
hcfree (hashes->esalts_buf);
hcfree (hashes->hook_salts_buf);
hcfree (hashes->out_buf);
hcfree (hashes->tmp_buf);
memset (hashes, 0, sizeof (hashes_t));
}
void hashes_logger (hashcat_ctx_t *hashcat_ctx)
{
hashes_t *hashes = hashcat_ctx->hashes;
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
logfile_top_string (hashes->hashfile);
logfile_top_uint (hashes->hashlist_mode);
logfile_top_uint (hashes->hashlist_format);
logfile_top_uint (hashes->hashes_cnt);
logfile_top_uint (hashes->digests_cnt);
logfile_top_uint (hashes->digests_done);
logfile_top_uint (hashes->salts_cnt);
logfile_top_uint (hashes->salts_done);
}
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