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9b529dc34c
hashcat/src/shared.c
Jens Steube 6cec2664bc Add new category HASH_CATEGORY_PRIVATE_KEY
2020-07-30 12:25:46 +02:00

1342 lines
33 KiB
C
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "convert.h"
#include "shared.h"
#include "memory.h"
#include "ext_lzma.h"
#include <errno.h>
#if defined (__CYGWIN__)
#include <sys/cygwin.h>
#endif
static const char *PA_000 = "OK";
static const char *PA_001 = "Ignored due to comment";
static const char *PA_002 = "Ignored due to zero length";
static const char *PA_003 = "Line-length exception";
static const char *PA_004 = "Hash-length exception";
static const char *PA_005 = "Hash-value exception";
static const char *PA_006 = "Salt-length exception";
static const char *PA_007 = "Salt-value exception";
static const char *PA_008 = "Salt-iteration count exception";
static const char *PA_009 = "Separator unmatched";
static const char *PA_010 = "Signature unmatched";
static const char *PA_011 = "Invalid hccapx file size";
static const char *PA_012 = "Invalid hccapx eapol size";
static const char *PA_013 = "Invalid psafe2 filesize";
static const char *PA_014 = "Invalid psafe3 filesize";
static const char *PA_015 = "Invalid truecrypt filesize";
static const char *PA_016 = "Invalid veracrypt filesize";
static const char *PA_017 = "Invalid SIP directive, only MD5 is supported";
static const char *PA_018 = "Hash-file exception";
static const char *PA_019 = "Hash-encoding exception";
static const char *PA_020 = "Salt-encoding exception";
static const char *PA_021 = "Invalid LUKS filesize";
static const char *PA_022 = "Invalid LUKS identifier";
static const char *PA_023 = "Invalid LUKS version";
static const char *PA_024 = "Invalid or unsupported LUKS cipher type";
static const char *PA_025 = "Invalid or unsupported LUKS cipher mode";
static const char *PA_026 = "Invalid or unsupported LUKS hash type";
static const char *PA_027 = "Invalid LUKS key size";
static const char *PA_028 = "Disabled LUKS key detected";
static const char *PA_029 = "Invalid LUKS key AF stripes count";
static const char *PA_030 = "Invalid combination of LUKS hash type and cipher type";
static const char *PA_031 = "Invalid hccapx signature";
static const char *PA_032 = "Invalid hccapx version";
static const char *PA_033 = "Invalid hccapx message pair";
static const char *PA_034 = "Token encoding exception";
static const char *PA_035 = "Token length exception";
static const char *PA_036 = "Insufficient entropy exception";
static const char *PA_037 = "Hash contains unsupported compression type for current mode";
static const char *PA_038 = "Invalid key size";
static const char *PA_039 = "Invalid block size";
static const char *PA_040 = "Invalid or unsupported cipher";
static const char *PA_041 = "Invalid filesize";
static const char *PA_255 = "Unknown error";
static const char *OPTI_STR_OPTIMIZED_KERNEL = "Optimized-Kernel";
static const char *OPTI_STR_ZERO_BYTE = "Zero-Byte";
static const char *OPTI_STR_PRECOMPUTE_INIT = "Precompute-Init";
static const char *OPTI_STR_MEET_IN_MIDDLE = "Meet-In-The-Middle";
static const char *OPTI_STR_EARLY_SKIP = "Early-Skip";
static const char *OPTI_STR_NOT_SALTED = "Not-Salted";
static const char *OPTI_STR_NOT_ITERATED = "Not-Iterated";
static const char *OPTI_STR_PREPENDED_SALT = "Prepended-Salt";
static const char *OPTI_STR_APPENDED_SALT = "Appended-Salt";
static const char *OPTI_STR_SINGLE_HASH = "Single-Hash";
static const char *OPTI_STR_SINGLE_SALT = "Single-Salt";
static const char *OPTI_STR_BRUTE_FORCE = "Brute-Force";
static const char *OPTI_STR_RAW_HASH = "Raw-Hash";
static const char *OPTI_STR_SLOW_HASH_SIMD_INIT = "Slow-Hash-SIMD-INIT";
static const char *OPTI_STR_SLOW_HASH_SIMD_LOOP = "Slow-Hash-SIMD-LOOP";
static const char *OPTI_STR_SLOW_HASH_SIMD_COMP = "Slow-Hash-SIMD-COMP";
static const char *OPTI_STR_USES_BITS_8 = "Uses-8-Bit";
static const char *OPTI_STR_USES_BITS_16 = "Uses-16-Bit";
static const char *OPTI_STR_USES_BITS_32 = "Uses-32-Bit";
static const char *OPTI_STR_USES_BITS_64 = "Uses-64-Bit";
static const char *HASH_CATEGORY_UNDEFINED_STR = "Undefined";
static const char *HASH_CATEGORY_RAW_HASH_STR = "Raw Hash";
static const char *HASH_CATEGORY_RAW_HASH_SALTED_STR = "Raw Hash, Salted and/or Iterated";
static const char *HASH_CATEGORY_RAW_HASH_AUTHENTICATED_STR = "Raw Hash, Authenticated";
static const char *HASH_CATEGORY_RAW_CIPHER_KPA_STR = "Raw Cipher, Known-Plaintext attack";
static const char *HASH_CATEGORY_GENERIC_KDF_STR = "Generic KDF";
static const char *HASH_CATEGORY_NETWORK_PROTOCOL_STR = "Network Protocols";
static const char *HASH_CATEGORY_FORUM_SOFTWARE_STR = "Forums, CMS, E-Commerce";
static const char *HASH_CATEGORY_DATABASE_SERVER_STR = "Database Server";
static const char *HASH_CATEGORY_NETWORK_SERVER_STR = "FTP, HTTP, SMTP, LDAP Server";
static const char *HASH_CATEGORY_RAW_CHECKSUM_STR = "Raw Checksum";
static const char *HASH_CATEGORY_OS_STR = "Operating System";
static const char *HASH_CATEGORY_EAS_STR = "Enterprise Application Software (EAS)";
static const char *HASH_CATEGORY_ARCHIVE_STR = "Archives";
static const char *HASH_CATEGORY_FDE_STR = "Full-Disk Encryption (FDE)";
static const char *HASH_CATEGORY_DOCUMENTS_STR = "Documents";
static const char *HASH_CATEGORY_PASSWORD_MANAGER_STR = "Password Managers";
static const char *HASH_CATEGORY_OTP_STR = "One-Time Passwords";
static const char *HASH_CATEGORY_PLAIN_STR = "Plaintext";
static const char *HASH_CATEGORY_FRAMEWORK_STR = "Framework";
static const char *HASH_CATEGORY_PRIVATE_KEY_STR = "Private Key";
int sort_by_string_sized (const void *p1, const void *p2)
{
string_sized_t *s1 = (string_sized_t *) p1;
string_sized_t *s2 = (string_sized_t *) p2;
const int d = s1->len - s2->len;
if (d != 0) return d;
return memcmp (s1->buf, s2->buf, s1->len);
}
int sort_by_stringptr (const void *p1, const void *p2)
{
const char* const *s1 = (const char* const *) p1;
const char* const *s2 = (const char* const *) p2;
return strcmp (*s1, *s2);
}
static inline int get_msb32 (const u32 v)
{
int i;
for (i = 32; i > 0; i--) if ((v >> (i - 1)) & 1) break;
return i;
}
static inline int get_msb64 (const u64 v)
{
int i;
for (i = 64; i > 0; i--) if ((v >> (i - 1)) & 1) break;
return i;
}
bool overflow_check_u32_add (const u32 a, const u32 b)
{
const int a_msb = get_msb32 (a);
const int b_msb = get_msb32 (b);
return ((a_msb < 32) && (b_msb < 32));
}
bool overflow_check_u32_mul (const u32 a, const u32 b)
{
const int a_msb = get_msb32 (a);
const int b_msb = get_msb32 (b);
return ((a_msb + b_msb) < 32);
}
bool overflow_check_u64_add (const u64 a, const u64 b)
{
const int a_msb = get_msb64 (a);
const int b_msb = get_msb64 (b);
return ((a_msb < 64) && (b_msb < 64));
}
bool overflow_check_u64_mul (const u64 a, const u64 b)
{
const int a_msb = get_msb64 (a);
const int b_msb = get_msb64 (b);
return ((a_msb + b_msb) < 64);
}
bool is_power_of_2 (const u32 v)
{
return (v && !(v & (v - 1)));
}
u32 mydivc32 (const u32 dividend, const u32 divisor)
{
u32 quotient = dividend / divisor;
if (dividend % divisor) quotient++;
return quotient;
}
u64 mydivc64 (const u64 dividend, const u64 divisor)
{
u64 quotient = dividend / divisor;
if (dividend % divisor) quotient++;
return quotient;
}
char *filename_from_filepath (char *filepath)
{
char *ptr = NULL;
if ((ptr = strrchr (filepath, '/')) != NULL)
{
ptr++;
}
else if ((ptr = strrchr (filepath, '\\')) != NULL)
{
ptr++;
}
else
{
ptr = filepath;
}
return ptr;
}
void naive_replace (char *s, const char key_char, const char replace_char)
{
const size_t len = strlen (s);
for (size_t in = 0; in < len; in++)
{
const char c = s[in];
if (c == key_char)
{
s[in] = replace_char;
}
}
}
void naive_escape (char *s, size_t s_max, const char key_char, const char escape_char)
{
char s_escaped[1024] = { 0 };
size_t s_escaped_max = sizeof (s_escaped);
const size_t len = strlen (s);
for (size_t in = 0, out = 0; in < len; in++, out++)
{
const char c = s[in];
if (c == key_char)
{
s_escaped[out] = escape_char;
out++;
}
if (out == s_escaped_max - 2) break;
s_escaped[out] = c;
}
strncpy (s, s_escaped, s_max - 1);
}
int hc_asprintf (char **strp, const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
int rc = vasprintf (strp, fmt, args);
va_end (args);
return rc;
}
#if defined (_WIN)
#define __WINDOWS__
#endif
#include "sort_r.h"
#if defined (_WIN)
#undef __WINDOWS__
#endif
void hc_qsort_r (void *base, size_t nmemb, size_t size, int (*compar) (const void *, const void *, void *), void *arg)
{
sort_r (base, nmemb, size, compar, arg);
}
void *hc_bsearch_r (const void *key, const void *base, size_t nmemb, size_t size, int (*compar) (const void *, const void *, void *), void *arg)
{
for (size_t l = 0, r = nmemb; r; r >>= 1)
{
const size_t m = r >> 1;
const size_t c = l + m;
const char *next = (const char *) base + (c * size);
const int cmp = (*compar) (key, next, arg);
if (cmp > 0)
{
l += m + 1;
r--;
}
if (cmp == 0) return ((void *) next);
}
return (NULL);
}
bool hc_path_is_file (const char *path)
{
struct stat s;
if (stat (path, &s) == -1) return false;
if (S_ISREG (s.st_mode)) return true;
return false;
}
bool hc_path_is_directory (const char *path)
{
struct stat s;
if (stat (path, &s) == -1) return false;
if (S_ISDIR (s.st_mode)) return true;
return false;
}
bool hc_path_is_empty (const char *path)
{
struct stat s;
if (stat (path, &s) == -1) return false;
if (s.st_size == 0) return true;
return false;
}
bool hc_path_exist (const char *path)
{
if (access (path, F_OK) == -1) return false;
return true;
}
bool hc_path_read (const char *path)
{
if (access (path, R_OK) == -1) return false;
return true;
}
bool hc_path_write (const char *path)
{
if (access (path, W_OK) == -1) return false;
return true;
}
bool hc_path_create (const char *path)
{
if (hc_path_exist (path) == true) return false;
#ifdef O_CLOEXEC
const int fd = open (path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, S_IRUSR | S_IWUSR);
#else
const int fd = open (path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
#endif
if (fd == -1) return false;
close (fd);
unlink (path);
return true;
}
bool hc_path_has_bom (const char *path)
{
u8 buf[8] = { 0 };
HCFILE fp;
if (hc_fopen (&fp, path, "rb") == false) return false;
const size_t nread = hc_fread (buf, 1, sizeof (buf), &fp);
hc_fclose (&fp);
if (nread < 1) return false;
/* signatures from https://en.wikipedia.org/wiki/Byte_order_mark#Byte_order_marks_by_encoding */
// utf-8
if ((buf[0] == 0xef)
&& (buf[1] == 0xbb)
&& (buf[2] == 0xbf)) return true;
// utf-16
if ((buf[0] == 0xfe)
&& (buf[1] == 0xff)) return true;
if ((buf[0] == 0xff)
&& (buf[1] == 0xfe)) return true;
// utf-32
if ((buf[0] == 0x00)
&& (buf[1] == 0x00)
&& (buf[2] == 0xfe)
&& (buf[3] == 0xff)) return true;
if ((buf[0] == 0xff)
&& (buf[1] == 0xfe)
&& (buf[2] == 0x00)
&& (buf[3] == 0x00)) return true;
// utf-7
if ((buf[0] == 0x2b)
&& (buf[1] == 0x2f)
&& (buf[2] == 0x76)
&& (buf[3] == 0x38)) return true;
if ((buf[0] == 0x2b)
&& (buf[1] == 0x2f)
&& (buf[2] == 0x76)
&& (buf[3] == 0x39)) return true;
if ((buf[0] == 0x2b)
&& (buf[1] == 0x2f)
&& (buf[2] == 0x76)
&& (buf[3] == 0x2b)) return true;
if ((buf[0] == 0x2b)
&& (buf[1] == 0x2f)
&& (buf[2] == 0x76)
&& (buf[3] == 0x2f)) return true;
if ((buf[0] == 0x2b)
&& (buf[1] == 0x2f)
&& (buf[2] == 0x76)
&& (buf[3] == 0x38)
&& (buf[4] == 0x2d)) return true;
// utf-1
if ((buf[0] == 0xf7)
&& (buf[1] == 0x64)
&& (buf[2] == 0x4c)) return true;
// utf-ebcdic
if ((buf[0] == 0xdd)
&& (buf[1] == 0x73)
&& (buf[2] == 0x66)
&& (buf[3] == 0x73)) return true;
// scsu
if ((buf[0] == 0x0e)
&& (buf[1] == 0xfe)
&& (buf[2] == 0xff)) return true;
// bocu-1
if ((buf[0] == 0xfb)
&& (buf[1] == 0xee)
&& (buf[2] == 0x28)) return true;
// gb-18030
if ((buf[0] == 0x84)
&& (buf[1] == 0x31)
&& (buf[2] == 0x95)
&& (buf[3] == 0x33)) return true;
return false;
}
bool hc_string_is_digit (const char *s)
{
if (s == NULL) return false;
const size_t len = strlen (s);
if (len == 0) return false;
for (size_t i = 0; i < len; i++)
{
const int c = (const int) s[i];
if (isdigit (c) == 0) return false;
}
return true;
}
void setup_environment_variables (const folder_config_t *folder_config)
{
char *compute = getenv ("COMPUTE");
if (compute)
{
char *display;
hc_asprintf (&display, "DISPLAY=%s", compute);
putenv (display);
hcfree (display);
}
else
{
if (getenv ("DISPLAY") == NULL)
putenv ((char *) "DISPLAY=:0");
}
/*
if (getenv ("OCL_CODE_CACHE_ENABLE") == NULL)
putenv ((char *) "OCL_CODE_CACHE_ENABLE=0");
if (getenv ("CUDA_CACHE_DISABLE") == NULL)
putenv ((char *) "CUDA_CACHE_DISABLE=1");
if (getenv ("POCL_KERNEL_CACHE") == NULL)
putenv ((char *) "POCL_KERNEL_CACHE=0");
*/
if (getenv ("TMPDIR") == NULL)
{
char *tmpdir = NULL;
hc_asprintf (&tmpdir, "TMPDIR=%s", folder_config->profile_dir);
putenv (tmpdir);
// we can't free tmpdir at this point!
}
if (getenv ("CL_CONFIG_USE_VECTORIZER") == NULL)
putenv ((char *) "CL_CONFIG_USE_VECTORIZER=False");
#if defined (__CYGWIN__)
cygwin_internal (CW_SYNC_WINENV);
#endif
}
void setup_umask ()
{
umask (077);
}
void setup_seeding (const bool rp_gen_seed_chgd, const u32 rp_gen_seed)
{
if (rp_gen_seed_chgd == true)
{
srand (rp_gen_seed);
}
else
{
const time_t ts = time (NULL); // don't tell me that this is an insecure seed
srand ((unsigned int) ts);
}
}
u32 get_random_num (const u32 min, const u32 max)
{
if (min == max) return (min);
const u32 low = max - min;
if (low == 0) return (0);
#if defined (_WIN)
return (((u32) rand () % (max - min)) + min);
#else
return (((u32) random () % (max - min)) + min);
#endif
}
void hc_string_trim_leading (char *s)
{
int skip = 0;
const int len = (int) strlen (s);
for (int i = 0; i < len; i++)
{
const int c = (const int) s[i];
if (isspace (c) == 0) break;
skip++;
}
if (skip == 0) return;
const int new_len = len - skip;
memmove (s, s + skip, new_len);
s[new_len] = 0;
}
void hc_string_trim_trailing (char *s)
{
int skip = 0;
const int len = (int) strlen (s);
for (int i = len - 1; i >= 0; i--)
{
const int c = (const int) s[i];
if (isspace (c) == 0) break;
skip++;
}
if (skip == 0) return;
const size_t new_len = len - skip;
s[new_len] = 0;
}
int hc_get_processor_count ()
{
int cnt = 0;
#if defined (_WIN)
SYSTEM_INFO info;
GetSystemInfo (&info);
cnt = (int) info.dwNumberOfProcessors;
#else
cnt = (int) sysconf (_SC_NPROCESSORS_ONLN);
#endif
return cnt;
}
bool hc_same_files (char *file1, char *file2)
{
if ((file1 != NULL) && (file2 != NULL))
{
struct stat tmpstat_file1;
struct stat tmpstat_file2;
int do_check = 0;
HCFILE fp;
if (hc_fopen (&fp, file1, "r") == true)
{
if (fstat (hc_fileno (&fp), &tmpstat_file1))
{
hc_fclose (&fp);
return false;
}
hc_fclose (&fp);
do_check++;
}
if (hc_fopen (&fp, file2, "r") == true)
{
if (fstat (hc_fileno (&fp), &tmpstat_file2))
{
hc_fclose (&fp);
return false;
}
hc_fclose (&fp);
do_check++;
}
if (do_check == 2)
{
tmpstat_file1.st_mode = 0;
tmpstat_file1.st_nlink = 0;
tmpstat_file1.st_uid = 0;
tmpstat_file1.st_gid = 0;
tmpstat_file1.st_rdev = 0;
tmpstat_file1.st_atime = 0;
#if defined (STAT_NANOSECONDS_ACCESS_TIME)
tmpstat_file1.STAT_NANOSECONDS_ACCESS_TIME = 0;
#endif
#if defined (_POSIX)
tmpstat_file1.st_blksize = 0;
tmpstat_file1.st_blocks = 0;
#endif
tmpstat_file2.st_mode = 0;
tmpstat_file2.st_nlink = 0;
tmpstat_file2.st_uid = 0;
tmpstat_file2.st_gid = 0;
tmpstat_file2.st_rdev = 0;
tmpstat_file2.st_atime = 0;
#if defined (STAT_NANOSECONDS_ACCESS_TIME)
tmpstat_file2.STAT_NANOSECONDS_ACCESS_TIME = 0;
#endif
#if defined (_POSIX)
tmpstat_file2.st_blksize = 0;
tmpstat_file2.st_blocks = 0;
#endif
if (memcmp (&tmpstat_file1, &tmpstat_file2, sizeof (struct stat)) == 0)
{
return true;
}
}
}
return false;
}
u32 hc_strtoul (const char *nptr, char **endptr, int base)
{
return (u32) strtoul (nptr, endptr, base);
}
u64 hc_strtoull (const char *nptr, char **endptr, int base)
{
return (u64) strtoull (nptr, endptr, base);
}
u32 power_of_two_ceil_32 (const u32 v)
{
u32 r = v;
r--;
r |= r >> 1;
r |= r >> 2;
r |= r >> 4;
r |= r >> 8;
r |= r >> 16;
r++;
return r;
}
u32 power_of_two_floor_32 (const u32 v)
{
u32 r = power_of_two_ceil_32 (v);
if (r > v)
{
r >>= 1;
}
return r;
}
u32 round_up_multiple_32 (const u32 v, const u32 m)
{
if (m == 0) return v;
const u32 r = v % m;
if (r == 0) return v;
return v + m - r;
}
u64 round_up_multiple_64 (const u64 v, const u64 m)
{
if (m == 0) return v;
const u64 r = v % m;
if (r == 0) return v;
return v + m - r;
}
// difference to original strncat is no returncode and u8* instead of char*
void hc_strncat (u8 *dst, const u8 *src, const size_t n)
{
const size_t dst_len = strlen ((char *) dst);
const u8 *src_ptr = src;
u8 *dst_ptr = dst + dst_len;
for (size_t i = 0; i < n && *src_ptr != 0; i++)
{
*dst_ptr++ = *src_ptr++;
}
*dst_ptr = 0;
}
int count_char (const u8 *buf, const int len, const u8 c)
{
int r = 0;
for (int i = 0; i < len; i++)
{
if (buf[i] == c) r++;
}
return r;
}
float get_entropy (const u8 *buf, const int len)
{
float entropy = 0.0;
for (int c = 0; c < 256; c++)
{
const int r = count_char (buf, len, (const u8) c);
if (r == 0) continue;
float w = (float) r / len;
entropy += -w * log2f (w);
}
return entropy;
}
int select_read_timeout (int sockfd, const int sec)
{
struct timeval tv;
tv.tv_sec = sec;
tv.tv_usec = 0;
fd_set fds;
FD_ZERO (&fds);
FD_SET (sockfd, &fds);
return select (sockfd + 1, &fds, NULL, NULL, &tv);
}
int select_write_timeout (int sockfd, const int sec)
{
struct timeval tv;
tv.tv_sec = sec;
tv.tv_usec = 0;
fd_set fds;
FD_ZERO (&fds);
FD_SET (sockfd, &fds);
return select (sockfd + 1, NULL, &fds, NULL, &tv);
}
#if defined (_WIN)
int select_read_timeout_console (const int sec)
{
const HANDLE hStdIn = GetStdHandle (STD_INPUT_HANDLE);
const DWORD rc = WaitForSingleObject (hStdIn, sec * 1000);
if (rc == WAIT_OBJECT_0)
{
DWORD dwRead;
INPUT_RECORD inRecords;
inRecords.EventType = 0;
PeekConsoleInput (hStdIn, &inRecords, 1, &dwRead);
if (inRecords.EventType == 0)
{
// those are good ones
return 1;
}
else
{
// but we don't want that stuff like windows focus etc. in our stream
ReadConsoleInput (hStdIn, &inRecords, 1, &dwRead);
}
return select_read_timeout_console (sec);
}
else if (rc == WAIT_TIMEOUT)
{
return 0;
}
return -1;
}
#else
int select_read_timeout_console (const int sec)
{
return select_read_timeout (fileno (stdin), sec);
}
#endif
const char *strhashcategory (const u32 hash_category)
{
switch (hash_category)
{
case HASH_CATEGORY_UNDEFINED: return HASH_CATEGORY_UNDEFINED_STR;
case HASH_CATEGORY_RAW_HASH: return HASH_CATEGORY_RAW_HASH_STR;
case HASH_CATEGORY_RAW_HASH_SALTED: return HASH_CATEGORY_RAW_HASH_SALTED_STR;
case HASH_CATEGORY_RAW_HASH_AUTHENTICATED: return HASH_CATEGORY_RAW_HASH_AUTHENTICATED_STR;
case HASH_CATEGORY_RAW_CIPHER_KPA: return HASH_CATEGORY_RAW_CIPHER_KPA_STR;
case HASH_CATEGORY_GENERIC_KDF: return HASH_CATEGORY_GENERIC_KDF_STR;
case HASH_CATEGORY_NETWORK_PROTOCOL: return HASH_CATEGORY_NETWORK_PROTOCOL_STR;
case HASH_CATEGORY_FORUM_SOFTWARE: return HASH_CATEGORY_FORUM_SOFTWARE_STR;
case HASH_CATEGORY_DATABASE_SERVER: return HASH_CATEGORY_DATABASE_SERVER_STR;
case HASH_CATEGORY_NETWORK_SERVER: return HASH_CATEGORY_NETWORK_SERVER_STR;
case HASH_CATEGORY_RAW_CHECKSUM: return HASH_CATEGORY_RAW_CHECKSUM_STR;
case HASH_CATEGORY_OS: return HASH_CATEGORY_OS_STR;
case HASH_CATEGORY_EAS: return HASH_CATEGORY_EAS_STR;
case HASH_CATEGORY_ARCHIVE: return HASH_CATEGORY_ARCHIVE_STR;
case HASH_CATEGORY_FDE: return HASH_CATEGORY_FDE_STR;
case HASH_CATEGORY_DOCUMENTS: return HASH_CATEGORY_DOCUMENTS_STR;
case HASH_CATEGORY_PASSWORD_MANAGER: return HASH_CATEGORY_PASSWORD_MANAGER_STR;
case HASH_CATEGORY_OTP: return HASH_CATEGORY_OTP_STR;
case HASH_CATEGORY_PLAIN: return HASH_CATEGORY_PLAIN_STR;
case HASH_CATEGORY_FRAMEWORK: return HASH_CATEGORY_FRAMEWORK_STR;
case HASH_CATEGORY_PRIVATE_KEY: return HASH_CATEGORY_PRIVATE_KEY_STR;
}
return NULL;
}
const char *stroptitype (const u32 opti_type)
{
switch (opti_type)
{
case OPTI_TYPE_OPTIMIZED_KERNEL: return OPTI_STR_OPTIMIZED_KERNEL;
case OPTI_TYPE_ZERO_BYTE: return OPTI_STR_ZERO_BYTE;
case OPTI_TYPE_PRECOMPUTE_INIT: return OPTI_STR_PRECOMPUTE_INIT;
case OPTI_TYPE_MEET_IN_MIDDLE: return OPTI_STR_MEET_IN_MIDDLE;
case OPTI_TYPE_EARLY_SKIP: return OPTI_STR_EARLY_SKIP;
case OPTI_TYPE_NOT_SALTED: return OPTI_STR_NOT_SALTED;
case OPTI_TYPE_NOT_ITERATED: return OPTI_STR_NOT_ITERATED;
case OPTI_TYPE_PREPENDED_SALT: return OPTI_STR_PREPENDED_SALT;
case OPTI_TYPE_APPENDED_SALT: return OPTI_STR_APPENDED_SALT;
case OPTI_TYPE_SINGLE_HASH: return OPTI_STR_SINGLE_HASH;
case OPTI_TYPE_SINGLE_SALT: return OPTI_STR_SINGLE_SALT;
case OPTI_TYPE_BRUTE_FORCE: return OPTI_STR_BRUTE_FORCE;
case OPTI_TYPE_RAW_HASH: return OPTI_STR_RAW_HASH;
case OPTI_TYPE_SLOW_HASH_SIMD_INIT: return OPTI_STR_SLOW_HASH_SIMD_INIT;
case OPTI_TYPE_SLOW_HASH_SIMD_LOOP: return OPTI_STR_SLOW_HASH_SIMD_LOOP;
case OPTI_TYPE_SLOW_HASH_SIMD_COMP: return OPTI_STR_SLOW_HASH_SIMD_COMP;
case OPTI_TYPE_USES_BITS_8: return OPTI_STR_USES_BITS_8;
case OPTI_TYPE_USES_BITS_16: return OPTI_STR_USES_BITS_16;
case OPTI_TYPE_USES_BITS_32: return OPTI_STR_USES_BITS_32;
case OPTI_TYPE_USES_BITS_64: return OPTI_STR_USES_BITS_64;
}
return NULL;
}
const char *strparser (const u32 parser_status)
{
switch (parser_status)
{
case PARSER_OK: return PA_000;
case PARSER_COMMENT: return PA_001;
case PARSER_GLOBAL_ZERO: return PA_002;
case PARSER_GLOBAL_LENGTH: return PA_003;
case PARSER_HASH_LENGTH: return PA_004;
case PARSER_HASH_VALUE: return PA_005;
case PARSER_SALT_LENGTH: return PA_006;
case PARSER_SALT_VALUE: return PA_007;
case PARSER_SALT_ITERATION: return PA_008;
case PARSER_SEPARATOR_UNMATCHED: return PA_009;
case PARSER_SIGNATURE_UNMATCHED: return PA_010;
case PARSER_HCCAPX_FILE_SIZE: return PA_011;
case PARSER_HCCAPX_EAPOL_LEN: return PA_012;
case PARSER_PSAFE2_FILE_SIZE: return PA_013;
case PARSER_PSAFE3_FILE_SIZE: return PA_014;
case PARSER_TC_FILE_SIZE: return PA_015;
case PARSER_VC_FILE_SIZE: return PA_016;
case PARSER_SIP_AUTH_DIRECTIVE: return PA_017;
case PARSER_HASH_FILE: return PA_018;
case PARSER_HASH_ENCODING: return PA_019;
case PARSER_SALT_ENCODING: return PA_020;
case PARSER_LUKS_FILE_SIZE: return PA_021;
case PARSER_LUKS_MAGIC: return PA_022;
case PARSER_LUKS_VERSION: return PA_023;
case PARSER_LUKS_CIPHER_TYPE: return PA_024;
case PARSER_LUKS_CIPHER_MODE: return PA_025;
case PARSER_LUKS_HASH_TYPE: return PA_026;
case PARSER_LUKS_KEY_SIZE: return PA_027;
case PARSER_LUKS_KEY_DISABLED: return PA_028;
case PARSER_LUKS_KEY_STRIPES: return PA_029;
case PARSER_LUKS_HASH_CIPHER: return PA_030;
case PARSER_HCCAPX_SIGNATURE: return PA_031;
case PARSER_HCCAPX_VERSION: return PA_032;
case PARSER_HCCAPX_MESSAGE_PAIR: return PA_033;
case PARSER_TOKEN_ENCODING: return PA_034;
case PARSER_TOKEN_LENGTH: return PA_035;
case PARSER_INSUFFICIENT_ENTROPY: return PA_036;
case PARSER_PKZIP_CT_UNMATCHED: return PA_037;
case PARSER_KEY_SIZE: return PA_038;
case PARSER_BLOCK_SIZE: return PA_039;
case PARSER_CIPHER: return PA_040;
case PARSER_FILE_SIZE: return PA_041;
}
return PA_255;
}
static int rounds_count_length (const char *input_buf, const int input_len)
{
if (input_len >= 9) // 9 is minimum because of "rounds=X$"
{
static const char *rounds = "rounds=";
if (memcmp (input_buf, rounds, 7) == 0)
{
const char *next_pos = strchr (input_buf + 8, '$');
if (next_pos == NULL) return -1;
const int rounds_len = next_pos - input_buf;
return rounds_len;
}
}
return -1;
}
const u8 *hc_strchr_next (const u8 *input_buf, const int input_len, const u8 separator)
{
for (int i = 0; i < input_len; i++)
{
if (input_buf[i] == separator) return &input_buf[i];
}
return NULL;
}
const u8 *hc_strchr_last (const u8 *input_buf, const int input_len, const u8 separator)
{
for (int i = input_len - 1; i >= 0; i--)
{
if (input_buf[i] == separator) return &input_buf[i];
}
return NULL;
}
int input_tokenizer (const u8 *input_buf, const int input_len, token_t *token)
{
int len_left = input_len;
token->buf[0] = input_buf;
int token_idx;
for (token_idx = 0; token_idx < token->token_cnt - 1; token_idx++)
{
if (token->attr[token_idx] & TOKEN_ATTR_FIXED_LENGTH)
{
int len = token->len[token_idx];
if (len_left < len) return (PARSER_TOKEN_LENGTH);
token->buf[token_idx + 1] = token->buf[token_idx] + len;
len_left -= len;
}
else
{
if (token->attr[token_idx] & TOKEN_ATTR_OPTIONAL_ROUNDS)
{
const int len = rounds_count_length ((const char *) token->buf[token_idx], len_left);
token->opt_buf = token->buf[token_idx];
token->opt_len = len; // we want an eventual -1 in here, it's used later for verification
if (len > 0)
{
token->buf[token_idx] += len + 1; // +1 = separator
len_left -= len + 1; // +1 = separator
}
}
const u8 *next_pos = NULL;
if (token->attr[token_idx] & TOKEN_ATTR_SEPARATOR_FARTHEST)
{
next_pos = hc_strchr_last (token->buf[token_idx], len_left, token->sep[token_idx]);
}
else
{
next_pos = hc_strchr_next (token->buf[token_idx], len_left, token->sep[token_idx]);
}
if (next_pos == NULL) return (PARSER_SEPARATOR_UNMATCHED);
const int len = next_pos - token->buf[token_idx];
token->len[token_idx] = len;
token->buf[token_idx + 1] = next_pos + 1; // +1 = separator
len_left -= len + 1; // +1 = separator
}
}
if (token->attr[token_idx] & TOKEN_ATTR_FIXED_LENGTH)
{
int len = token->len[token_idx];
if (len_left != len) return (PARSER_TOKEN_LENGTH);
}
else
{
token->len[token_idx] = len_left;
}
// verify data
for (token_idx = 0; token_idx < token->token_cnt; token_idx++)
{
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_SIGNATURE)
{
bool matched = false;
for (int signature_idx = 0; signature_idx < token->signatures_cnt; signature_idx++)
{
if (memcmp (token->buf[token_idx], token->signatures_buf[signature_idx], token->len[token_idx]) == 0) matched = true;
}
if (matched == false) return (PARSER_SIGNATURE_UNMATCHED);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_LENGTH)
{
if (token->len[token_idx] < token->len_min[token_idx]) return (PARSER_TOKEN_LENGTH);
if (token->len[token_idx] > token->len_max[token_idx]) return (PARSER_TOKEN_LENGTH);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_DIGIT)
{
if (is_valid_digit_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_FLOAT)
{
if (is_valid_float_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_HEX)
{
if (is_valid_hex_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_BASE64A)
{
if (is_valid_base64a_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_BASE64B)
{
if (is_valid_base64b_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
if (token->attr[token_idx] & TOKEN_ATTR_VERIFY_BASE64C)
{
if (is_valid_base64c_string (token->buf[token_idx], token->len[token_idx]) == false) return (PARSER_TOKEN_ENCODING);
}
}
return PARSER_OK;
}
bool generic_salt_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, const u8 *in_buf, const int in_len, u8 *out_buf, int *out_len)
{
u32 tmp_u32[(64 * 2) + 1] = { 0 };
u8 *tmp_u8 = (u8 *) tmp_u32;
if (in_len > 512) return false; // 512 = 2 * 256 -- (2 * because of hex), 256 because of maximum salt length in salt_t
int tmp_len = 0;
if (hashconfig->opts_type & OPTS_TYPE_ST_HEX)
{
if (in_len < (int) (hashconfig->salt_min * 2)) return false;
if (in_len > (int) (hashconfig->salt_max * 2)) return false;
if (in_len & 1) return false;
for (int i = 0, j = 0; j < in_len; i += 1, j += 2)
{
u8 p0 = in_buf[j + 0];
u8 p1 = in_buf[j + 1];
tmp_u8[i] = hex_convert (p1) << 0;
tmp_u8[i] |= hex_convert (p0) << 4;
}
tmp_len = in_len / 2;
}
else if (hashconfig->opts_type & OPTS_TYPE_ST_BASE64)
{
if (in_len < (int) (((hashconfig->salt_min * 8) / 6) + 0)) return false;
if (in_len > (int) (((hashconfig->salt_max * 8) / 6) + 3)) return false;
tmp_len = base64_decode (base64_to_int, in_buf, in_len, tmp_u8);
}
else
{
if (in_len < (int) hashconfig->salt_min) return false;
if (in_len > (int) hashconfig->salt_max) return false;
memcpy (tmp_u8, in_buf, in_len);
tmp_len = in_len;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_UTF16LE)
{
if (tmp_len >= 128) return false;
for (int i = 64 - 1; i >= 1; i -= 2)
{
const u32 v = tmp_u32[i / 2];
tmp_u32[i - 0] = ((v >> 8) & 0x00FF0000) | ((v >> 16) & 0x000000FF);
tmp_u32[i - 1] = ((v << 8) & 0x00FF0000) | ((v >> 0) & 0x000000FF);
}
tmp_len = tmp_len * 2;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_LOWER)
{
lowercase (tmp_u8, tmp_len);
}
if (hashconfig->opts_type & OPTS_TYPE_ST_UPPER)
{
uppercase (tmp_u8, tmp_len);
}
int tmp2_len = tmp_len;
if (hashconfig->opts_type & OPTS_TYPE_ST_ADD80)
{
if (tmp2_len >= 256) return false;
tmp_u8[tmp2_len++] = 0x80;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_ADD01)
{
if (tmp2_len >= 256) return false;
tmp_u8[tmp2_len++] = 0x01;
}
memcpy (out_buf, tmp_u8, tmp2_len);
*out_len = tmp_len;
return true;
}
int generic_salt_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, const u8 *in_buf, const int in_len, u8 *out_buf)
{
u32 tmp_u32[(64 * 2) + 1] = { 0 };
u8 *tmp_u8 = (u8 *) tmp_u32;
memcpy (tmp_u8, in_buf, in_len);
int tmp_len = in_len;
if (hashconfig->opts_type & OPTS_TYPE_ST_UTF16LE)
{
for (int i = 0, j = 0; j < in_len; i += 1, j += 2)
{
const u8 p = tmp_u8[j];
tmp_u8[i] = p;
}
tmp_len = tmp_len / 2;
}
if (hashconfig->opts_type & OPTS_TYPE_ST_HEX)
{
for (int i = 0, j = 0; i < in_len; i += 1, j += 2)
{
u8_to_hex (in_buf[i], tmp_u8 + j);
}
tmp_len = in_len * 2;
}
else if (hashconfig->opts_type & OPTS_TYPE_ST_BASE64)
{
tmp_len = base64_encode (int_to_base64, in_buf, in_len, tmp_u8);
}
memcpy (out_buf, tmp_u8, tmp_len);
return tmp_len;
}
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