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hashcat/src/logfile.c
2016-12-24 00:40:40 +01:00

120 lines
2.4 KiB
C

/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "memory.h"
#include "event.h"
#include "logfile.h"
#include "locking.h"
#include "shared.h"
static int logfile_generate_id (void)
{
const int n = rand ();
time_t t;
time (&t);
return t + n;
}
void logfile_generate_topid (hashcat_ctx_t *hashcat_ctx)
{
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
if (logfile_ctx->enabled == false) return;
const int id = logfile_generate_id ();
snprintf (logfile_ctx->topid, 1 + 16, "TOP%08x", (u32) id);
}
void logfile_generate_subid (hashcat_ctx_t *hashcat_ctx)
{
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
if (logfile_ctx->enabled == false) return;
const int id = logfile_generate_id ();
snprintf (logfile_ctx->subid, 1 + 16, "SUB%08x", (u32) id);
}
void logfile_append (hashcat_ctx_t *hashcat_ctx, const char *fmt, ...)
{
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
if (logfile_ctx->enabled == false) return;
FILE *fp = fopen (logfile_ctx->logfile, "ab");
if (fp == NULL)
{
event_log_error (hashcat_ctx, "%s: %m", logfile_ctx->logfile);
return;
}
lock_file (fp);
va_list ap;
va_start (ap, fmt);
vfprintf (fp, fmt, ap);
va_end (ap);
fwrite (EOL, strlen (EOL), 1, fp);
fflush (fp);
fclose (fp);
}
int logfile_init (hashcat_ctx_t *hashcat_ctx)
{
folder_config_t *folder_config = hashcat_ctx->folder_config;
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
user_options_t *user_options = hashcat_ctx->user_options;
if (user_options->logfile_disable == true) return 0;
hc_asprintf (&logfile_ctx->logfile, "%s/%s.log", folder_config->session_dir, user_options->session);
logfile_ctx->subid = (char *) hcmalloc (HCBUFSIZ_TINY);
logfile_ctx->topid = (char *) hcmalloc (HCBUFSIZ_TINY);
logfile_ctx->enabled = true;
FILE *fp = fopen (logfile_ctx->logfile, "ab");
if (fp == NULL)
{
event_log_error (hashcat_ctx, "%s: %m", logfile_ctx->logfile);
return -1;
}
fclose (fp);
return 0;
}
void logfile_destroy (hashcat_ctx_t *hashcat_ctx)
{
logfile_ctx_t *logfile_ctx = hashcat_ctx->logfile_ctx;
if (logfile_ctx->enabled == false) return;
hcfree (logfile_ctx->logfile);
hcfree (logfile_ctx->topid);
hcfree (logfile_ctx->subid);
memset (logfile_ctx, 0, sizeof (logfile_ctx_t));
}