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hashcat/src/debugfile.c
2017-07-06 10:35:25 +02:00

151 lines
3.5 KiB
C

/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "memory.h"
#include "event.h"
#include "debugfile.h"
#include "shared.h"
#include "locking.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)
{
fprintf (debugfile_ctx->fp, "$HEX[");
for (u32 i = 0; i < plain_len; i++)
{
fprintf (debugfile_ctx->fp, "%02x", plain_ptr[i]);
}
fprintf (debugfile_ctx->fp, "]");
}
else
{
hc_fwrite (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)) fputc (':', debugfile_ctx->fp);
}
hc_fwrite (rule_buf, rule_len, 1, debugfile_ctx->fp);
if (debug_mode == 4)
{
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->keyspace == true) return 0;
if (user_options->left == true) return 0;
if (user_options->opencl_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)
{
FILE *fp = fopen (debugfile_ctx->filename, "ab");
if (fp == NULL)
{
event_log_error (hashcat_ctx, "Could not open --debug-file file for writing.");
return -1;
}
if (lock_file (fp) == -1)
{
fclose (fp);
event_log_error (hashcat_ctx, "%s: %s", debugfile_ctx->filename, strerror (errno));
return -1;
}
debugfile_ctx->fp = fp;
}
else
{
debugfile_ctx->fp = 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)
{
fclose (debugfile_ctx->fp);
}
memset (debugfile_ctx, 0, sizeof (debugfile_ctx_t));
}