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hashcat/src/debugfile.c
2019-07-02 21:30:35 +02:00

149 lines
3.6 KiB
C

/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "event.h"
#include "shared.h"
#include "locking.h"
#include "debugfile.h"
static void debugfile_format_plain (hashcat_ctx_t *hashcat_ctx, const u8 *plain_ptr, const u32 plain_len)
{
debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
if (debugfile_ctx->enabled == false) return;
int needs_hexify = 0;
for (u32 i = 0; i < plain_len; i++)
{
if (plain_ptr[i] < 0x20)
{
needs_hexify = 1;
break;
}
if (plain_ptr[i] > 0x7f)
{
needs_hexify = 1;
break;
}
}
if (needs_hexify == 1)
{
hc_fprintf (&debugfile_ctx->fp, "$HEX[");
for (u32 i = 0; i < plain_len; i++)
{
hc_fprintf (&debugfile_ctx->fp, "%02x", plain_ptr[i]);
}
hc_fprintf (&debugfile_ctx->fp, "]");
}
else
{
hc_fwrite ((void *)plain_ptr, plain_len, 1, &debugfile_ctx->fp);
}
}
void debugfile_write_append (hashcat_ctx_t *hashcat_ctx, const u8 *rule_buf, const u32 rule_len, const u8 *mod_plain_ptr, const u32 mod_plain_len, const u8 *orig_plain_ptr, const u32 orig_plain_len)
{
debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
if (debugfile_ctx->enabled == false) return;
const u32 debug_mode = debugfile_ctx->mode;
if ((debug_mode == 2) || (debug_mode == 3) || (debug_mode == 4))
{
debugfile_format_plain (hashcat_ctx, orig_plain_ptr, orig_plain_len);
if ((debug_mode == 3) || (debug_mode == 4)) hc_fputc (':', &debugfile_ctx->fp);
}
hc_fwrite ((void *)rule_buf, rule_len, 1, &debugfile_ctx->fp);
if (debug_mode == 4)
{
hc_fputc (':', &debugfile_ctx->fp);
debugfile_format_plain (hashcat_ctx, mod_plain_ptr, mod_plain_len);
}
hc_fwrite (EOL, strlen (EOL), 1, &debugfile_ctx->fp);
}
int debugfile_init (hashcat_ctx_t *hashcat_ctx)
{
debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
user_options_t *user_options = hashcat_ctx->user_options;
debugfile_ctx->enabled = false;
if (user_options->benchmark == true) return 0;
if (user_options->example_hashes == true) return 0;
if (user_options->keyspace == true) return 0;
if (user_options->left == true) return 0;
if (user_options->backend_info == true) return 0;
if (user_options->show == true) return 0;
if (user_options->stdout_flag == true) return 0;
if (user_options->speed_only == true) return 0;
if (user_options->progress_only == true) return 0;
if (user_options->usage == true) return 0;
if (user_options->version == true) return 0;
if (user_options->debug_mode == 0) return 0;
debugfile_ctx->enabled = true;
debugfile_ctx->mode = user_options->debug_mode;
debugfile_ctx->filename = user_options->debug_file;
if (debugfile_ctx->filename)
{
if (hc_fopen (&debugfile_ctx->fp, debugfile_ctx->filename, "ab") == false)
{
event_log_error (hashcat_ctx, "Could not open --debug-file file for writing.");
return -1;
}
if (hc_lockfile (&debugfile_ctx->fp) == -1)
{
hc_fclose (&debugfile_ctx->fp);
event_log_error (hashcat_ctx, "%s: %s", debugfile_ctx->filename, strerror (errno));
return -1;
}
}
else
{
debugfile_ctx->fp.is_gzip = false;
debugfile_ctx->fp.pfp = stdout;
debugfile_ctx->fp.fd = fileno (stdout);
}
return 0;
}
void debugfile_destroy (hashcat_ctx_t *hashcat_ctx)
{
debugfile_ctx_t *debugfile_ctx = hashcat_ctx->debugfile_ctx;
if (debugfile_ctx->enabled == false) return;
if (debugfile_ctx->filename)
{
hc_fclose (&debugfile_ctx->fp);
}
memset (debugfile_ctx, 0, sizeof (debugfile_ctx_t));
}