mirror of
https://github.com/hashcat/hashcat.git
synced 2024-12-24 15:38:11 +00:00
153 lines
3.5 KiB
C
153 lines
3.5 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 "memory.h"
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#include "event.h"
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#include "shared.h"
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#include "loopback.h"
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static void loopback_format_plain (hashcat_ctx_t *hashcat_ctx, const u8 *plain_ptr, const unsigned int plain_len)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return;
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int needs_hexify = 0;
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for (u32 i = 0; i < plain_len; i++)
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{
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if (plain_ptr[i] < 0x20)
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{
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needs_hexify = 1;
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break;
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}
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if (plain_ptr[i] > 0x7f)
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{
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needs_hexify = 1;
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break;
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}
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}
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if (needs_hexify == 1)
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{
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fprintf (loopback_ctx->fp, "$HEX[");
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for (u32 i = 0; i < plain_len; i++)
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{
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fprintf (loopback_ctx->fp, "%02x", plain_ptr[i]);
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}
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fprintf (loopback_ctx->fp, "]");
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}
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else
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{
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fwrite (plain_ptr, plain_len, 1, loopback_ctx->fp);
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}
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}
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int loopback_init (hashcat_ctx_t *hashcat_ctx)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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user_options_t *user_options = hashcat_ctx->user_options;
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loopback_ctx->enabled = false;
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if (user_options->benchmark == true) return 0;
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if (user_options->keyspace == 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->stdout_flag == true) return 0;
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if (user_options->speed_only == 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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loopback_ctx->enabled = true;
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loopback_ctx->fp = NULL;
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loopback_ctx->filename = (char *) hcmalloc (hashcat_ctx, HCBUFSIZ_TINY); VERIFY_PTR (loopback_ctx->filename);
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return 0;
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}
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void loopback_destroy (hashcat_ctx_t *hashcat_ctx)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return;
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memset (loopback_ctx, 0, sizeof (loopback_ctx_t));
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}
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int loopback_write_open (hashcat_ctx_t *hashcat_ctx)
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{
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induct_ctx_t *induct_ctx = hashcat_ctx->induct_ctx;
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return 0;
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if (induct_ctx->enabled == false) return 0;
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time_t now;
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time (&now);
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const u32 random_num = get_random_num (0, 9999);
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snprintf (loopback_ctx->filename, HCBUFSIZ_TINY - 1, "%s/%s.%d_%u", induct_ctx->root_directory, LOOPBACK_FILE, (int) now, random_num);
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loopback_ctx->fp = fopen (loopback_ctx->filename, "ab");
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if (loopback_ctx->fp == NULL)
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{
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event_log_error (hashcat_ctx, "%s: %s", loopback_ctx->filename, strerror (errno));
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return -1;
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}
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return 0;
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}
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void loopback_write_unlink (hashcat_ctx_t *hashcat_ctx)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return;
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if (loopback_ctx->filename == NULL) return;
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unlink (loopback_ctx->filename);
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}
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void loopback_write_close (hashcat_ctx_t *hashcat_ctx)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return;
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if (loopback_ctx->fp == NULL) return;
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fclose (loopback_ctx->fp);
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}
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void loopback_write_append (hashcat_ctx_t *hashcat_ctx, const u8 *plain_ptr, const unsigned int plain_len)
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{
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loopback_ctx_t *loopback_ctx = hashcat_ctx->loopback_ctx;
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if (loopback_ctx->enabled == false) return;
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FILE *fp = loopback_ctx->fp;
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loopback_format_plain (hashcat_ctx, plain_ptr, plain_len);
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fputc ('\n', fp);
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fflush (fp);
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}
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