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Add code to read LZMA compressed hashcat.hcstat2

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This commit is contained in:
jsteube 2017-06-23 14:43:43 +02:00
parent d1f57fd3f7
commit a993395f28
2 changed files with 60 additions and 30 deletions
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1
include/mpsp.h
View File

@ -18,6 +18,7 @@
#define SP_PW_MAX 256
#define SP_ROOT_CNT (SP_PW_MAX * CHARSIZ)
#define SP_MARKOV_CNT (SP_PW_MAX * CHARSIZ * CHARSIZ)
#define SP_FILESZ (sizeof (u64) + sizeof (u64) + (sizeof (u64) * SP_ROOT_CNT) + (sizeof (u64) * SP_MARKOV_CNT))
#define INCR_MASKS 1000

89
src/mpsp.c
View File

@ -14,6 +14,7 @@
#include "interface.h"
#include "opencl.h"
#include "shared.h"
#include "ext_lzma.h"
#include "mpsp.h"
static const char DEF_MASK[] = "?1?2?2?2?2?2?2?3?3?3?3?d?d?d?d";
@ -679,6 +680,15 @@ static int sp_setup_tbl (hashcat_ctx_t *hashcat_ctx)
hcstat = hcstat_tmp;
}
hc_stat_t s;
if (hc_stat (hcstat, &s) == -1)
{
event_log_error (hashcat_ctx, "%s: %s", hcstat, strerror (errno));
return -1;
}
FILE *fd = fopen (hcstat, "rb");
if (fd == NULL)
@ -688,47 +698,66 @@ static int sp_setup_tbl (hashcat_ctx_t *hashcat_ctx)
return -1;
}
u64 v = 0;
u64 z = 0;
u8 *inbuf = (u8 *) hcmalloc (s.st_size);
if (fread (&v, sizeof (u64), 1, fd) != 1)
size_t inlen = fread (inbuf, 1, SP_FILESZ, fd);
if (inlen != (size_t) s.st_size)
{
event_log_error (hashcat_ctx, "%s: Could not load data.", hcstat);
event_log_error (hashcat_ctx, "%s: Could not read data.", hcstat);
fclose (fd);
return -1;
}
if (fread (&z, sizeof (u64), 1, fd) != 1)
{
event_log_error (hashcat_ctx, "%s: Could not load data.", hcstat);
fclose (fd);
return -1;
}
if (fread (root_stats_buf, sizeof (u64), SP_ROOT_CNT, fd) != SP_ROOT_CNT)
{
event_log_error (hashcat_ctx, "%s: Could not load data.", hcstat);
fclose (fd);
return -1;
}
if (fread (markov_stats_buf, sizeof (u64), SP_MARKOV_CNT, fd) != SP_MARKOV_CNT)
{
event_log_error (hashcat_ctx, "%s: Could not load data.", hcstat);
fclose (fd);
hcfree (inbuf);
return -1;
}
fclose (fd);
u8 *outbuf = (u8 *) hcmalloc (SP_FILESZ);
size_t outlen = SP_FILESZ;
ISzAlloc hc_lzma_mem_alloc = {hc_lzma_alloc, hc_lzma_free};
ELzmaStatus status;
#define LZMA2_PROPS 0x1c //
const SRes res = Lzma2Decode (outbuf, &outlen, inbuf, &inlen, (Byte) LZMA2_PROPS, LZMA_FINISH_END, &status, &hc_lzma_mem_alloc);
if (res != SZ_OK)
{
event_log_error (hashcat_ctx, "%s: Could not uncompress data.", hcstat);
hcfree (inbuf);
hcfree (outbuf);
return -1;
}
if (outlen != SP_FILESZ)
{
event_log_error (hashcat_ctx, "%s: Could not uncompress data.", hcstat);
hcfree (inbuf);
hcfree (outbuf);
return -1;
}
u64 *ptr = (u64 *) outbuf;
u64 v = *ptr++;
u64 z = *ptr++;
memcpy (root_stats_buf, ptr, sizeof (u64) * SP_ROOT_CNT); ptr += SP_ROOT_CNT;
memcpy (markov_stats_buf, ptr, sizeof (u64) * SP_MARKOV_CNT); ptr += SP_MARKOV_CNT;
hcfree (inbuf);
hcfree (outbuf);
/**
* switch endianess
*/