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Fix output of mapped password in status screen

Browse Source
pull/1796/head
Jens Steube 6 years ago
parent 79263c142d
commit b457f402c6
2 changed files with 129 additions and 133 deletions
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133
src/hashes.c
Unescape View File

@ -130,129 +130,6 @@ int sort_by_hash_no_salt (const void *v1, const void *v2, void *v3)
return sort_by_digest_p0p1 (d1, d2, v3);
}
int find_keyboard_layout_map (const u32 search, const int search_len, keyboard_layout_mapping_t *s_keyboard_layout_mapping, const int keyboard_layout_mapping_cnt)
{
for (int idx = 0; idx < keyboard_layout_mapping_cnt; idx++)
{
const u32 src_char = s_keyboard_layout_mapping[idx].src_char;
const int src_len = s_keyboard_layout_mapping[idx].src_len;
if (src_len == search_len)
{
const u32 mask = 0xffffffff >> ((4 - search_len) * 8);
if ((src_char & mask) == (search & mask)) return idx;
}
}
return -1;
}
int execute_keyboard_layout_mapping (u32 plain_buf[64], const int plain_len, keyboard_layout_mapping_t *s_keyboard_layout_mapping, const int keyboard_layout_mapping_cnt)
{
u32 out_buf[16] = { 0 };
u8 *out_ptr = (u8 *) out_buf;
int out_len = 0;
u8 *plain_ptr = (u8 *) plain_buf;
int plain_pos = 0;
while (plain_pos < plain_len)
{
u32 src0 = 0;
u32 src1 = 0;
u32 src2 = 0;
u32 src3 = 0;
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
const int rem = MIN (plain_len - plain_pos, 4);
#undef MIN
if (rem > 0) src0 = plain_ptr[plain_pos + 0];
if (rem > 1) src1 = plain_ptr[plain_pos + 1];
if (rem > 2) src2 = plain_ptr[plain_pos + 2];
if (rem > 3) src3 = plain_ptr[plain_pos + 3];
const u32 src = (src0 << 0)
| (src1 << 8)
| (src2 << 16)
| (src3 << 24);
int src_len;
for (src_len = rem; src_len > 0; src_len--)
{
const int idx = find_keyboard_layout_map (src, src_len, s_keyboard_layout_mapping, keyboard_layout_mapping_cnt);
if (idx == -1) continue;
u32 dst_char = s_keyboard_layout_mapping[idx].dst_char;
int dst_len = s_keyboard_layout_mapping[idx].dst_len;
switch (dst_len)
{
case 1:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
break;
case 2:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
break;
case 3:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
out_ptr[out_len++] = (dst_char >> 16) & 0xff;
break;
case 4:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
out_ptr[out_len++] = (dst_char >> 16) & 0xff;
out_ptr[out_len++] = (dst_char >> 24) & 0xff;
break;
}
plain_pos += src_len;
break;
}
// not matched, keep original
if (src_len == 0)
{
out_ptr[out_len] = plain_ptr[plain_pos];
out_len++;
plain_pos++;
}
}
plain_buf[ 0] = out_buf[ 0];
plain_buf[ 1] = out_buf[ 1];
plain_buf[ 2] = out_buf[ 2];
plain_buf[ 3] = out_buf[ 3];
plain_buf[ 4] = out_buf[ 4];
plain_buf[ 5] = out_buf[ 5];
plain_buf[ 6] = out_buf[ 6];
plain_buf[ 7] = out_buf[ 7];
plain_buf[ 8] = out_buf[ 8];
plain_buf[ 9] = out_buf[ 9];
plain_buf[10] = out_buf[10];
plain_buf[11] = out_buf[11];
plain_buf[12] = out_buf[12];
plain_buf[13] = out_buf[13];
plain_buf[14] = out_buf[14];
plain_buf[15] = out_buf[15];
return out_len;
}
int save_hash (hashcat_ctx_t *hashcat_ctx)
{
hashes_t *hashes = hashcat_ctx->hashes;
@ -425,16 +302,6 @@ void check_hash (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, pl
strncpy ((char *) plain_ptr, (char *) temp_ptr, sizeof (plain_buf));
}
// truecrypt and veracrypt boot only:
// we do some kernel internal substituations, so we need to do that here as well, if it cracks
if (hashconfig->opts_type & OPTS_TYPE_KEYBOARD_MAPPING)
{
tc_t *tc = (tc_t *) hashes->esalts_buf;
plain_len = execute_keyboard_layout_mapping (plain_buf, plain_len, tc->keyboard_layout_mapping_buf, tc->keyboard_layout_mapping_cnt);
}
// crackpos
u64 crackpos = 0;

129
src/outfile.c
Unescape View File

@ -19,6 +19,125 @@
#include "outfile.h"
#include "locking.h"
static int find_keyboard_layout_map (const u32 search, const int search_len, keyboard_layout_mapping_t *s_keyboard_layout_mapping, const int keyboard_layout_mapping_cnt)
{
for (int idx = 0; idx < keyboard_layout_mapping_cnt; idx++)
{
const u32 src_char = s_keyboard_layout_mapping[idx].src_char;
const int src_len = s_keyboard_layout_mapping[idx].src_len;
if (src_len == search_len)
{
const u32 mask = 0xffffffff >> ((4 - search_len) * 8);
if ((src_char & mask) == (search & mask)) return idx;
}
}
return -1;
}
static int execute_keyboard_layout_mapping (u32 plain_buf[64], const int plain_len, keyboard_layout_mapping_t *s_keyboard_layout_mapping, const int keyboard_layout_mapping_cnt)
{
u32 out_buf[16] = { 0 };
u8 *out_ptr = (u8 *) out_buf;
int out_len = 0;
u8 *plain_ptr = (u8 *) plain_buf;
int plain_pos = 0;
while (plain_pos < plain_len)
{
u32 src0 = 0;
u32 src1 = 0;
u32 src2 = 0;
u32 src3 = 0;
const int rem = MIN (plain_len - plain_pos, 4);
if (rem > 0) src0 = plain_ptr[plain_pos + 0];
if (rem > 1) src1 = plain_ptr[plain_pos + 1];
if (rem > 2) src2 = plain_ptr[plain_pos + 2];
if (rem > 3) src3 = plain_ptr[plain_pos + 3];
const u32 src = (src0 << 0)
| (src1 << 8)
| (src2 << 16)
| (src3 << 24);
int src_len;
for (src_len = rem; src_len > 0; src_len--)
{
const int idx = find_keyboard_layout_map (src, src_len, s_keyboard_layout_mapping, keyboard_layout_mapping_cnt);
if (idx == -1) continue;
u32 dst_char = s_keyboard_layout_mapping[idx].dst_char;
int dst_len = s_keyboard_layout_mapping[idx].dst_len;
switch (dst_len)
{
case 1:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
break;
case 2:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
break;
case 3:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
out_ptr[out_len++] = (dst_char >> 16) & 0xff;
break;
case 4:
out_ptr[out_len++] = (dst_char >> 0) & 0xff;
out_ptr[out_len++] = (dst_char >> 8) & 0xff;
out_ptr[out_len++] = (dst_char >> 16) & 0xff;
out_ptr[out_len++] = (dst_char >> 24) & 0xff;
break;
}
plain_pos += src_len;
break;
}
// not matched, keep original
if (src_len == 0)
{
out_ptr[out_len] = plain_ptr[plain_pos];
out_len++;
plain_pos++;
}
}
plain_buf[ 0] = out_buf[ 0];
plain_buf[ 1] = out_buf[ 1];
plain_buf[ 2] = out_buf[ 2];
plain_buf[ 3] = out_buf[ 3];
plain_buf[ 4] = out_buf[ 4];
plain_buf[ 5] = out_buf[ 5];
plain_buf[ 6] = out_buf[ 6];
plain_buf[ 7] = out_buf[ 7];
plain_buf[ 8] = out_buf[ 8];
plain_buf[ 9] = out_buf[ 9];
plain_buf[10] = out_buf[10];
plain_buf[11] = out_buf[11];
plain_buf[12] = out_buf[12];
plain_buf[13] = out_buf[13];
plain_buf[14] = out_buf[14];
plain_buf[15] = out_buf[15];
return out_len;
}
int build_plain (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, plain_t *plain, u32 *plain_buf, int *out_len)
{
const combinator_ctx_t *combinator_ctx = hashcat_ctx->combinator_ctx;
@ -241,6 +360,16 @@ int build_plain (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, pl
if (plain_len > (int) hashconfig->pw_max) plain_len = MIN (plain_len, (int) pw_max);
// truecrypt and veracrypt boot only:
// we do some kernel internal substituations, so we need to do that here as well, if it cracks
if (hashconfig->opts_type & OPTS_TYPE_KEYBOARD_MAPPING)
{
tc_t *tc = (tc_t *) hashes->esalts_buf;
plain_len = execute_keyboard_layout_mapping (plain_buf, plain_len, tc->keyboard_layout_mapping_buf, tc->keyboard_layout_mapping_cnt);
}
plain_ptr[plain_len] = 0;
*out_len = plain_len;

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