mirror of https://github.com/hashcat/hashcat.git
jsteube
5 years ago
parent
2915266205
commit
bc1dd699e3
@ -0,0 +1,268 @@
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/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "modules.h"
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#include "bitops.h"
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#include "convert.h"
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#include "shared.h"
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static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
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static const u32 DGST_POS0 = 0;
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static const u32 DGST_POS1 = 1;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 3;
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static const u32 DGST_SIZE = DGST_SIZE_4_4; // originally DGST_SIZE_4_2
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static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
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static const char *HASH_NAME = "descrypt, DES (Unix), Traditional DES";
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static const u32 HASH_TYPE = HASH_TYPE_DESCRYPT;
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static const u64 KERN_TYPE = 1500;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
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| OPTI_TYPE_PRECOMPUTE_PERMUT;
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static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE
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| OPTS_TYPE_PT_GENERATE_LE
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| OPTS_TYPE_PT_BITSLICE;
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static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = NULL; // the self-test can't work because the salt is not part of the code at compile-time
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static const char *ST_HASH = "8133vc.5rieNk";
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u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
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u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
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u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; }
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u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; }
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u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; }
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u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; }
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u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; }
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const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; }
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u32 module_hash_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_TYPE; }
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u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; }
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u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; }
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u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; }
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u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; }
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const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; }
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const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; }
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u32 module_kernel_loops_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
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{
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u32 kernel_loops_max = KERNEL_LOOPS_MAX;
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if (user_options->slow_candidates == false)
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{
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if (user_options->attack_mode == ATTACK_MODE_BF)
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{
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kernel_loops_max = 1024;
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}
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}
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return kernel_loops_max;
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}
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u32 module_kernel_loops_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
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{
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u32 kernel_loops_min = KERNEL_LOOPS_MIN;
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if (user_options->slow_candidates == false)
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{
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if (user_options->attack_mode == ATTACK_MODE_BF)
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{
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kernel_loops_min = 1024;
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}
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}
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return kernel_loops_min;
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}
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u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
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{
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const u32 pw_max = 8; // Underlaying DES max
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return pw_max;
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}
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char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
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{
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char *jit_build_options = NULL;
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if ((user_options->attack_mode == ATTACK_MODE_BF) && (hashes->salts_cnt == 1) && (user_options->slow_candidates == false))
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{
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hc_asprintf (&jit_build_options, "-DDESCRYPT_SALT=%u", hashes->salts_buf[0].salt_buf[0] & 0xfff);
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}
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return jit_build_options;
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}
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bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
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{
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#if defined (__APPLE__)
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return true;
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#endif // __APPLE__
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return false;
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}
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int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
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{
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u32 *digest = (u32 *) digest_buf;
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token_t token;
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token.token_cnt = 2;
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token.len[0] = 2;
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token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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token.len[1] = 11;
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token.attr[1] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
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if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
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const u8 *salt_pos = token.buf[0];
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const u8 *hash_pos = token.buf[1];
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const int hash_len = token.len[1];
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const u8 c10 = itoa64_to_int (hash_pos[10]);
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if (c10 & 3) return (PARSER_HASH_VALUE);
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// for ascii_to_ebcdic_digest
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salt->salt_sign[0] = salt_pos[0];
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salt->salt_sign[1] = salt_pos[1];
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salt->salt_buf[0] = itoa64_to_int (salt_pos[0])
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| itoa64_to_int (salt_pos[1]) << 6;
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// we need to add 2 additional bytes (the salt sign) such that the salt sorting algorithm
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// doesn't eliminate salts that are identical but have different salt signs
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salt->salt_buf[0] |= salt_pos[0] << 16
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| salt_pos[1] << 24;
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salt->salt_len = 4; // actually it is only 2 (but we need to add the original salt_sign to it)
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u32 tmp[16] = { 0 };
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base64_decode (itoa64_to_int, hash_pos, hash_len, (u8 *) tmp);
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digest[0] = tmp[0];
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digest[1] = tmp[1];
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digest[2] = 0;
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digest[3] = 0;
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decoder_apply_options (hashconfig, digest);
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decoder_apply_optimizer (hashconfig, digest);
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return (PARSER_OK);
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}
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int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
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{
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const u32 *digest = (const u32 *) digest_buf;
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// we can not change anything in the original buffer, otherwise destroying sorting
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// therefore create some local buffer
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u32 tmp[4];
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tmp[0] = digest[0];
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tmp[1] = digest[1];
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tmp[2] = 0;
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tmp[3] = 0;
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encoder_apply_optimizer (hashconfig, tmp);
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encoder_apply_options (hashconfig, tmp);
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u8 ptr_plain[20] = { 0 };
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base64_encode (int_to_itoa64, (const u8 *) tmp, 8, ptr_plain);
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line_buf[0] = salt->salt_sign[0] & 0xff;
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line_buf[1] = salt->salt_sign[1] & 0xff;
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//original method, but changed because of this ticket: https://hashcat.net/trac/ticket/269
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//line_buf[0] = int_to_itoa64 ((salt->salt_buf[0] >> 0) & 0x3f);
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//line_buf[1] = int_to_itoa64 ((salt->salt_buf[0] >> 6) & 0x3f);
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snprintf (line_buf + 2, line_size - 2, "%s", ptr_plain);
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const int out_len = 2 + 11;
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return out_len;
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}
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void module_init (module_ctx_t *module_ctx)
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{
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module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
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module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
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module_ctx->module_attack_exec = module_attack_exec;
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module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
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module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
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module_ctx->module_benchmark_mask = MODULE_DEFAULT;
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module_ctx->module_benchmark_salt = MODULE_DEFAULT;
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module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
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module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
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module_ctx->module_dgst_pos0 = module_dgst_pos0;
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module_ctx->module_dgst_pos1 = module_dgst_pos1;
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module_ctx->module_dgst_pos2 = module_dgst_pos2;
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module_ctx->module_dgst_pos3 = module_dgst_pos3;
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module_ctx->module_dgst_size = module_dgst_size;
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module_ctx->module_dictstat_disable = MODULE_DEFAULT;
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module_ctx->module_esalt_size = MODULE_DEFAULT;
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module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
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module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
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module_ctx->module_hash_binary_count = MODULE_DEFAULT;
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module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
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module_ctx->module_hash_binary_save = MODULE_DEFAULT;
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module_ctx->module_hash_binary_verify = MODULE_DEFAULT;
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module_ctx->module_hash_decode_outfile = MODULE_DEFAULT;
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module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
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module_ctx->module_hash_decode = module_hash_decode;
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module_ctx->module_hash_encode_status = MODULE_DEFAULT;
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module_ctx->module_hash_encode = module_hash_encode;
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module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
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module_ctx->module_hash_mode = MODULE_DEFAULT;
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module_ctx->module_hash_category = module_hash_category;
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module_ctx->module_hash_name = module_hash_name;
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module_ctx->module_hash_type = module_hash_type;
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module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
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module_ctx->module_hook12 = MODULE_DEFAULT;
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module_ctx->module_hook23 = MODULE_DEFAULT;
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module_ctx->module_hook_salt_size = MODULE_DEFAULT;
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module_ctx->module_hook_size = MODULE_DEFAULT;
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module_ctx->module_jit_build_options = module_jit_build_options;
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module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_max = module_kernel_loops_max;
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module_ctx->module_kernel_loops_min = module_kernel_loops_min;
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module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
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module_ctx->module_kern_type = module_kern_type;
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module_ctx->module_opti_type = module_opti_type;
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module_ctx->module_opts_type = module_opts_type;
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module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
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module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
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module_ctx->module_potfile_disable = MODULE_DEFAULT;
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module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
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module_ctx->module_pwdump_column = MODULE_DEFAULT;
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module_ctx->module_pw_max = module_pw_max;
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module_ctx->module_pw_min = MODULE_DEFAULT;
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module_ctx->module_salt_max = MODULE_DEFAULT;
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module_ctx->module_salt_min = MODULE_DEFAULT;
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module_ctx->module_salt_type = module_salt_type;
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module_ctx->module_separator = MODULE_DEFAULT;
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module_ctx->module_st_hash = module_st_hash;
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module_ctx->module_st_pass = module_st_pass;
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module_ctx->module_tmp_size = MODULE_DEFAULT;
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module_ctx->module_unstable_warning = module_unstable_warning;
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module_ctx->module_warmup_disable = MODULE_DEFAULT;
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}
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