static int mask_append (hashcat_ctx_t *hashcat_ctx, const char *mask, const char *prepend)
{
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
user_options_t *user_options = hashcat_ctx->user_options;
if (user_options->increment == true)
{
const u32 mask_length = mp_get_length (mask);
u32 increment_min = user_options->increment_min;
u32 increment_max = user_options->increment_max;
increment_max = MIN (increment_max, mask_length);
if (user_options->attack_mode == ATTACK_MODE_BF)
{
const u32 pw_min = hashconfig->pw_min;
const u32 pw_max = hashconfig->pw_max;
increment_min = MAX (increment_min, pw_min);
increment_max = MIN (increment_max, pw_max);
}
for (u32 increment_len = increment_min; increment_len <= increment_max; increment_len++)
{
char *mask_truncated = (char *) hcmalloc (256);
char *mask_truncated_next = mask_truncated;
if (prepend)
{
// this happens with maskfiles only
mask_truncated_next += snprintf (mask_truncated, 256, "%s,", prepend);
}
const int rc_truncated_mask = mp_get_truncated_mask (hashcat_ctx, mask, strlen (mask), increment_len, mask_truncated_next);
if (rc_truncated_mask == -1) break;
const int rc = mask_append_final (hashcat_ctx, mask_truncated);
if (rc == -1) return -1;
}
}
else
{
const int rc = mask_append_final (hashcat_ctx, mask);
if (rc == -1) return -1;
}
return 0;
}
int mask_ctx_update_loop (hashcat_ctx_t *hashcat_ctx)
{
combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
hashes_t *hashes = hashcat_ctx->hashes;
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
mask_ctx_t *mask_ctx = hashcat_ctx->mask_ctx;
status_ctx_t *status_ctx = hashcat_ctx->status_ctx;
user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
user_options_t *user_options = hashcat_ctx->user_options;
if (user_options_extra->attack_kern == ATTACK_KERN_COMBI)
{
if (user_options->attack_mode == ATTACK_MODE_COMBI)
{
}
else if ((user_options->attack_mode == ATTACK_MODE_HYBRID1) || (user_options->attack_mode == ATTACK_MODE_HYBRID2))
{
if (((hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL) == 0) && (user_options->attack_mode == ATTACK_MODE_HYBRID2))
{
mask_ctx->mask = mask_ctx->masks[mask_ctx->masks_pos];
const int rc_mask_file = mask_ctx_parse_maskfile (hashcat_ctx);
if (rc_mask_file == -1) return -1;
mask_ctx->css_buf = (cs_t *) hccalloc (256, sizeof (cs_t));
const int rc_gen_css = mp_gen_css (hashcat_ctx, mask_ctx->mask, strlen (mask_ctx->mask), mask_ctx->mp_sys, mask_ctx->mp_usr, mask_ctx->css_buf, &mask_ctx->css_cnt);
if (rc_gen_css == -1) return -1;
u32 uniq_tbls[SP_PW_MAX][CHARSIZ] = { { 0 } };
mp_css_to_uniq_tbl (hashcat_ctx, mask_ctx->css_cnt, mask_ctx->css_buf, uniq_tbls);
sp_tbl_to_css (mask_ctx->root_table_buf, mask_ctx->markov_table_buf, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, user_options->markov_threshold, uniq_tbls);
const int rc_get_sum = sp_get_sum (0, mask_ctx->css_cnt, mask_ctx->root_css_buf, &mask_ctx->bfs_cnt);
if (rc_get_sum == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of mask: %s", mask_ctx->mask);
return -1;
}
const int rc_update_mp = opencl_session_update_mp (hashcat_ctx);
if (rc_update_mp == -1) return -1;
}
else
{
mask_ctx->mask = mask_ctx->masks[mask_ctx->masks_pos];
const int rc_mask_file = mask_ctx_parse_maskfile (hashcat_ctx);
if (rc_mask_file == -1) return -1;
mask_ctx->css_buf = (cs_t *) hccalloc (256, sizeof (cs_t));
const int rc_gen_css = mp_gen_css (hashcat_ctx, mask_ctx->mask, strlen (mask_ctx->mask), mask_ctx->mp_sys, mask_ctx->mp_usr, mask_ctx->css_buf, &mask_ctx->css_cnt);
if (rc_gen_css == -1) return -1;
u32 uniq_tbls[SP_PW_MAX][CHARSIZ] = { { 0 } };
mp_css_to_uniq_tbl (hashcat_ctx, mask_ctx->css_cnt, mask_ctx->css_buf, uniq_tbls);
sp_tbl_to_css (mask_ctx->root_table_buf, mask_ctx->markov_table_buf, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, user_options->markov_threshold, uniq_tbls);
const int rc_get_sum = sp_get_sum (0, mask_ctx->css_cnt, mask_ctx->root_css_buf, &combinator_ctx->combs_cnt);
if (rc_get_sum == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of mask: %s", mask_ctx->mask);
return -1;
}
const int rc_update_mp = opencl_session_update_mp (hashcat_ctx);
if (rc_update_mp == -1) return -1;
}
}
const int rc_update_combinator = opencl_session_update_combinator (hashcat_ctx);
if (rc_update_combinator == -1) return -1;
}
else if (user_options_extra->attack_kern == ATTACK_KERN_BF)
{
mask_ctx->mask = mask_ctx->masks[mask_ctx->masks_pos];
const int rc_mask_file = mask_ctx_parse_maskfile (hashcat_ctx);
if (rc_mask_file == -1) return -1;
if (user_options->attack_mode == ATTACK_MODE_BF) // always true
{
mask_ctx->css_buf = (cs_t *) hccalloc (256, sizeof (cs_t));
const int rc_gen_css = mp_gen_css (hashcat_ctx, mask_ctx->mask, strlen (mask_ctx->mask), mask_ctx->mp_sys, mask_ctx->mp_usr, mask_ctx->css_buf, &mask_ctx->css_cnt);
if (rc_gen_css == -1) return -1;
// special case for benchmark
u32 pw_min = hashconfig->pw_min;
u32 pw_max = hashconfig->pw_max;
if (user_options->benchmark == true)
{
pw_min = mp_get_length (mask_ctx->mask);
pw_max = pw_min;
}
hashconfig->pw_min = pw_min;
hashconfig->pw_max = pw_max;
// check if mask is not too large or too small for pw_min/pw_max
u32 mask_min = hashconfig->pw_min;
u32 mask_max = hashconfig->pw_max;
if ((mask_ctx->css_cnt < mask_min) || (mask_ctx->css_cnt > mask_max))
{
if (mask_ctx->css_cnt < mask_min)
{
event_log_warning (hashcat_ctx, "Skipping mask '%s' because it is smaller than the minimum password length.", mask_ctx->mask);
event_log_warning (hashcat_ctx, NULL);
}
if (mask_ctx->css_cnt > mask_max)
{
event_log_warning (hashcat_ctx, "Skipping mask '%s' because it is larger than the maximum password length.", mask_ctx->mask);
event_log_warning (hashcat_ctx, NULL);
}
// skip to next mask
logfile_sub_msg ("STOP");
return -1;
}
if (hashconfig->opts_type & OPTS_TYPE_PT_UTF16LE)
{
const int rc = mp_css_utf16le_expand (hashcat_ctx);
if (rc == -1) return -1;
}
else if (hashconfig->opts_type & OPTS_TYPE_PT_UTF16BE)
{
const int rc = mp_css_utf16be_expand (hashcat_ctx);
if (rc == -1) return -1;
}
u32 css_cnt_orig = mask_ctx->css_cnt;
if (hashconfig->opti_type & OPTI_TYPE_SINGLE_HASH)
{
if (hashconfig->opti_type & OPTI_TYPE_APPENDED_SALT)
{
const int rc = mp_css_append_salt (hashcat_ctx, &hashes->salts_buf[0]);
if (rc == -1) return -1;
}
}
u32 uniq_tbls[SP_PW_MAX][CHARSIZ] = { { 0 } };
mp_css_to_uniq_tbl (hashcat_ctx, mask_ctx->css_cnt, mask_ctx->css_buf, uniq_tbls);
sp_tbl_to_css (mask_ctx->root_table_buf, mask_ctx->markov_table_buf, mask_ctx->root_css_buf, mask_ctx->markov_css_buf, user_options->markov_threshold, uniq_tbls);
const int rc_get_sum1 = sp_get_sum (0, mask_ctx->css_cnt, mask_ctx->root_css_buf, &status_ctx->words_cnt);
if (rc_get_sum1 == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of mask: %s", mask_ctx->mask);
return -1;
}
// copy + args
u32 css_cnt_lr[2];
mp_css_split_cnt (hashcat_ctx, css_cnt_orig, css_cnt_lr);
const int rc_get_sum2 = sp_get_sum (0, css_cnt_lr[1], mask_ctx->root_css_buf, &mask_ctx->bfs_cnt);
if (rc_get_sum2 == -1)
{
event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of mask: %s", mask_ctx->mask);
return -1;
}
const int rc_update_mp_rl = opencl_session_update_mp_rl (hashcat_ctx, css_cnt_lr[0], css_cnt_lr[1]);
if (rc_update_mp_rl == -1) return -1;
}
}
return 0;
}
