mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-25 16:08:18 +00:00
452 lines
11 KiB
C
452 lines
11 KiB
C
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "event.h"
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#include "memory.h"
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#include "combinator.h"
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#include "shared.h"
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#include "wordlist.h"
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int combinator_ctx_init (hashcat_ctx_t *hashcat_ctx)
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{
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combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
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hashconfig_t *hashconfig = hashcat_ctx->hashconfig;
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user_options_extra_t *user_options_extra = hashcat_ctx->user_options_extra;
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user_options_t *user_options = hashcat_ctx->user_options;
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combinator_ctx->enabled = false;
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if (user_options->example_hashes == true) return 0;
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if (user_options->left == true) return 0;
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if (user_options->opencl_info == true) return 0;
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if (user_options->show == true) return 0;
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if (user_options->usage == true) return 0;
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if (user_options->version == true) return 0;
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if ((user_options->attack_mode != ATTACK_MODE_COMBI)
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&& (user_options->attack_mode != ATTACK_MODE_HYBRID1)
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&& (user_options->attack_mode != ATTACK_MODE_HYBRID2)) return 0;
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combinator_ctx->enabled = true;
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if (user_options->slow_candidates == true)
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{
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// this is always need to be COMBINATOR_MODE_BASE_LEFT
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if (user_options->attack_mode == ATTACK_MODE_COMBI)
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{
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// display
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char *dictfile1 = user_options_extra->hc_workv[0];
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char *dictfile2 = user_options_extra->hc_workv[1];
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// at this point we know the file actually exist
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// find the bigger dictionary and use as base
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if (hc_path_is_file (dictfile1) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile1);
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return -1;
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}
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if (hc_path_is_file (dictfile2) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile2);
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return -1;
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}
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FILE *fp1 = NULL;
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FILE *fp2 = NULL;
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if ((fp1 = fopen (dictfile1, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile1, strerror (errno));
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return -1;
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}
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if ((fp2 = fopen (dictfile2, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile2, strerror (errno));
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fclose (fp1);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words1_cnt = 0;
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const int rc1 = count_words (hashcat_ctx, fp1, dictfile1, &words1_cnt);
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if (rc1 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words1_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words2_cnt = 0;
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const int rc2 = count_words (hashcat_ctx, fp2, dictfile2, &words2_cnt);
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if (rc2 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words2_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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fclose (fp1);
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fclose (fp2);
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combinator_ctx->dict1 = dictfile1;
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combinator_ctx->dict2 = dictfile2;
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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combinator_ctx->combs_cnt = words2_cnt;
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}
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}
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else
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{
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if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
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{
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if (user_options->attack_mode == ATTACK_MODE_COMBI)
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{
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// display
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char *dictfile1 = user_options_extra->hc_workv[0];
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char *dictfile2 = user_options_extra->hc_workv[1];
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// at this point we know the file actually exist
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// find the bigger dictionary and use as base
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if (hc_path_is_file (dictfile1) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile1);
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return -1;
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}
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if (hc_path_is_file (dictfile2) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile2);
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return -1;
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}
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FILE *fp1 = NULL;
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FILE *fp2 = NULL;
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if ((fp1 = fopen (dictfile1, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile1, strerror (errno));
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return -1;
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}
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if ((fp2 = fopen (dictfile2, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile2, strerror (errno));
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fclose (fp1);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words1_cnt = 0;
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const int rc1 = count_words (hashcat_ctx, fp1, dictfile1, &words1_cnt);
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if (rc1 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words1_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words2_cnt = 0;
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const int rc2 = count_words (hashcat_ctx, fp2, dictfile2, &words2_cnt);
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if (rc2 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words2_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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fclose (fp1);
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fclose (fp2);
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combinator_ctx->dict1 = dictfile1;
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combinator_ctx->dict2 = dictfile2;
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if (words1_cnt >= words2_cnt)
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{
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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combinator_ctx->combs_cnt = words2_cnt;
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}
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else
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{
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_RIGHT;
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combinator_ctx->combs_cnt = words1_cnt;
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// we also have to switch wordlist related rules!
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const char *tmpc = user_options->rule_buf_l;
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user_options->rule_buf_l = user_options->rule_buf_r;
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user_options->rule_buf_r = tmpc;
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u32 tmpi = user_options_extra->rule_len_l;
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user_options_extra->rule_len_l = user_options_extra->rule_len_r;
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user_options_extra->rule_len_r = tmpi;
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}
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}
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else if (user_options->attack_mode == ATTACK_MODE_HYBRID1)
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{
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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}
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else if (user_options->attack_mode == ATTACK_MODE_HYBRID2)
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{
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_RIGHT;
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}
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}
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else
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{
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// this is always need to be COMBINATOR_MODE_BASE_LEFT
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if (user_options->attack_mode == ATTACK_MODE_COMBI)
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{
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// display
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char *dictfile1 = user_options_extra->hc_workv[0];
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char *dictfile2 = user_options_extra->hc_workv[1];
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// at this point we know the file actually exist
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// find the bigger dictionary and use as base
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if (hc_path_is_file (dictfile1) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile1);
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return -1;
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}
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if (hc_path_is_file (dictfile2) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile2);
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return -1;
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}
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FILE *fp1 = NULL;
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FILE *fp2 = NULL;
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if ((fp1 = fopen (dictfile1, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile1, strerror (errno));
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return -1;
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}
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if ((fp2 = fopen (dictfile2, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile2, strerror (errno));
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fclose (fp1);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words1_cnt = 0;
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const int rc1 = count_words (hashcat_ctx, fp1, dictfile1, &words1_cnt);
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if (rc1 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words1_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile1);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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combinator_ctx->combs_cnt = 1;
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u64 words2_cnt = 0;
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const int rc2 = count_words (hashcat_ctx, fp2, dictfile2, &words2_cnt);
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if (rc2 == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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if (words2_cnt == 0)
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{
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event_log_error (hashcat_ctx, "%s: empty file.", dictfile2);
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fclose (fp1);
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fclose (fp2);
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return -1;
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}
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fclose (fp1);
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fclose (fp2);
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combinator_ctx->dict1 = dictfile1;
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combinator_ctx->dict2 = dictfile2;
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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combinator_ctx->combs_cnt = words2_cnt;
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}
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else if (user_options->attack_mode == ATTACK_MODE_HYBRID1)
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{
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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}
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else if (user_options->attack_mode == ATTACK_MODE_HYBRID2)
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{
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mask_ctx_t *mask_ctx = hashcat_ctx->mask_ctx;
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char *dictfile = user_options_extra->hc_workv[1];
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// at this point we know the file actually exist
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if (hc_path_is_file (dictfile) == false)
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{
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event_log_error (hashcat_ctx, "%s: Not a regular file.", dictfile);
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return -1;
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}
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FILE *fp = NULL;
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if ((fp = fopen (dictfile, "rb")) == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", dictfile, strerror (errno));
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return -1;
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}
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mask_ctx->bfs_cnt = 1;
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u64 words_cnt = 0;
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const int rc = count_words (hashcat_ctx, fp, dictfile, &words_cnt);
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if (rc == -1)
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{
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event_log_error (hashcat_ctx, "Integer overflow detected in keyspace of wordlist: %s", dictfile);
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fclose (fp);
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return -1;
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}
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fclose (fp);
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combinator_ctx->combs_cnt = words_cnt;
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combinator_ctx->combs_mode = COMBINATOR_MODE_BASE_LEFT;
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}
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}
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}
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return 0;
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}
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void combinator_ctx_destroy (hashcat_ctx_t *hashcat_ctx)
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{
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combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
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if (combinator_ctx->enabled == false) return;
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memset (combinator_ctx, 0, sizeof (combinator_ctx_t));
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}
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