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https://github.com/hashcat/hashcat.git
synced 2024-12-22 14:48:12 +00:00
Run weak-hash checks only in straight-attack mode, this greatly reduces code complexity
This commit is contained in:
parent
cfff6220fc
commit
49d0767aa8
@ -67,6 +67,10 @@ Type.: Feature
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File.: Host
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Desc.: Moved rules_optimize to hashcat-utils
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Type.: Feature
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File.: Host
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Desc.: Run weak-hash checks only in straight-attack mode, this greatly reduces code complexity
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Type.: Change
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File.: Host
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Desc.: Renamed option --gpu-accel to --kernel-accel
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@ -1565,7 +1565,6 @@ extern hc_thread_mutex_t mux_display;
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#define KERN_RUN_2 2000
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#define KERN_RUN_23 2500
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#define KERN_RUN_3 3000
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#define KERN_RUN_WEAK 9000
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/*
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* functions
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226
src/oclHashcat.c
226
src/oclHashcat.c
@ -2364,7 +2364,6 @@ static void run_kernel (const uint kern_run, hc_device_param_t *device_param, co
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case KERN_RUN_2: kernel = device_param->kernel2; break;
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case KERN_RUN_23: kernel = device_param->kernel23; break;
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case KERN_RUN_3: kernel = device_param->kernel3; break;
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case KERN_RUN_WEAK: kernel = device_param->kernel_weak; break;
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}
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hc_clSetKernelArg (kernel, 21, sizeof (cl_uint), device_param->kernel_params[21]);
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@ -4540,17 +4539,11 @@ static void weak_hash_check (hc_device_param_t *device_param, const uint salt_po
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device_param->kernel_params_buf32[30] = 0;
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device_param->kernel_params_buf32[31] = 1;
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char *dictfile_old = data.dictfile;
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char *dictfile2_old = data.dictfile2;
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char *mask_old = data.mask;
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int attack_mode_old = data.attack_mode;
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char *dictfile_old = data.dictfile;
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const char *weak_hash_check = "weak-hash-check";
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data.dictfile = (char *) weak_hash_check;
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data.dictfile2 = (char *) weak_hash_check;
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data.mask = (char *) weak_hash_check;
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data.attack_mode = ATTACK_MODE_STRAIGHT;
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data.dictfile = (char *) weak_hash_check;
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/**
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* run the kernel
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@ -4558,7 +4551,7 @@ static void weak_hash_check (hc_device_param_t *device_param, const uint salt_po
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if (data.attack_exec == ATTACK_EXEC_INSIDE_KERNEL)
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{
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run_kernel (KERN_RUN_WEAK, device_param, 1);
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run_kernel (KERN_RUN_1, device_param, 1);
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}
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else
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{
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@ -4600,10 +4593,7 @@ static void weak_hash_check (hc_device_param_t *device_param, const uint salt_po
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device_param->kernel_params_buf32[30] = 0;
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device_param->kernel_params_buf32[31] = 0;
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data.dictfile = dictfile_old;
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data.dictfile2 = dictfile2_old;
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data.mask = mask_old;
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data.attack_mode = attack_mode_old;
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data.dictfile = dictfile_old;
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}
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// hlfmt hashcat
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@ -6097,6 +6087,18 @@ int main (int argc, char **argv)
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}
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}
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if (attack_mode != ATTACK_MODE_STRAIGHT)
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{
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if (weak_hash_threshold != WEAK_HASH_THRESHOLD)
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{
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log_error ("ERROR: setting --weak-hash-threshold allowed only in straight-attack mode");
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return (-1);
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}
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weak_hash_threshold = 0;
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}
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/**
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* induction directory
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*/
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@ -13309,149 +13311,6 @@ int main (int argc, char **argv)
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sprintf (build_opts, "-I%s/ -DVENDOR_ID=%d -DCUDA_ARCH=%d", shared_dir, device_param->vendor_id, (device_param->sm_major * 100) + device_param->sm_minor);
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/**
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* a0 kernel, required for some fast hashes to make weak_hash_check work
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*/
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const uint add_flag = OPTS_TYPE_PT_ADD01
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| OPTS_TYPE_PT_ADD02
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| OPTS_TYPE_PT_ADD80
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| OPTS_TYPE_PT_ADDBITS14
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| OPTS_TYPE_PT_ADDBITS15
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| OPTS_TYPE_ST_ADD01
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| OPTS_TYPE_ST_ADD02
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| OPTS_TYPE_ST_ADD80
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| OPTS_TYPE_ST_ADDBITS14
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| OPTS_TYPE_ST_ADDBITS15
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| OPTS_TYPE_PT_BITSLICE;
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if ((weak_hash_threshold) && (attack_exec == ATTACK_EXEC_INSIDE_KERNEL) && (opts_type & add_flag))
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{
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/**
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* kernel source filename
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*/
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char source_file[256];
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memset (source_file, 0, sizeof (source_file));
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generate_source_kernel_filename (attack_exec, ATTACK_KERN_STRAIGHT, kern_type, shared_dir, source_file);
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struct stat sst;
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if (stat (source_file, &sst) == -1)
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{
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log_error ("ERROR: %s: %s", source_file, strerror (errno));
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return -1;
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}
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/**
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* kernel cached filename
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*/
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char cached_file[256];
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memset (cached_file, 0, sizeof (cached_file));
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generate_cached_kernel_filename (attack_exec, ATTACK_KERN_STRAIGHT, kern_type, profile_dir, device_name_chksum, cached_file);
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int cached = 1;
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struct stat cst;
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if (stat (cached_file, &cst) == -1)
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{
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cached = 0;
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}
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/**
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* kernel compile or load
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*/
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size_t *kernel_lengths = (size_t *) mymalloc (sizeof (size_t));
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const unsigned char **kernel_sources = (const unsigned char **) mymalloc (sizeof (unsigned char *));
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if (force_jit_compilation == 0)
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{
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if (cached == 0)
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{
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if (quiet == 0) log_info ("Device #%u: Kernel %s not found in cache! Building may take a while...", device_id + 1, cached_file);
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load_kernel (source_file, 1, kernel_lengths, kernel_sources);
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device_param->program_weak = hc_clCreateProgramWithSource (device_param->context, 1, (const char **) kernel_sources, NULL);
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hc_clBuildProgram (device_param->program_weak, 1, &device_param->device, build_opts, NULL, NULL);
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size_t binary_size;
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clGetProgramInfo (device_param->program_weak, CL_PROGRAM_BINARY_SIZES, sizeof (size_t), &binary_size, NULL);
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unsigned char *binary = (unsigned char *) mymalloc (binary_size);
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clGetProgramInfo (device_param->program_weak, CL_PROGRAM_BINARIES, sizeof (binary), &binary, NULL);
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writeProgramBin (cached_file, binary, binary_size);
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local_free (binary);
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}
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else
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{
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if (quiet == 0) log_info ("Device #%u: Kernel %s (%ld bytes)", device_id + 1, cached_file, cst.st_size);
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load_kernel (cached_file, 1, kernel_lengths, kernel_sources);
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device_param->program_weak = hc_clCreateProgramWithBinary (device_param->context, 1, &device_param->device, kernel_lengths, (const unsigned char **) kernel_sources, NULL);
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hc_clBuildProgram (device_param->program_weak, 1, &device_param->device, build_opts, NULL, NULL);
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}
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}
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else
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{
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if (quiet == 0) log_info ("Device #%u: Kernel %s (%ld bytes)", device_id + 1, source_file, sst.st_size);
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load_kernel (source_file, 1, kernel_lengths, kernel_sources);
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device_param->program_weak = hc_clCreateProgramWithSource (device_param->context, 1, (const char **) kernel_sources, NULL);
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if (force_jit_compilation == 1500)
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{
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sprintf (build_opts, "%s -DDESCRYPT_SALT=%d", build_opts, data.salts_buf[0].salt_buf[0]);
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}
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else if (force_jit_compilation == 8900)
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{
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sprintf (build_opts, "%s -DSCRYPT_N=%d -DSCRYPT_R=%d -DSCRYPT_P=%d -DSCRYPT_TMTO=%d", build_opts, data.salts_buf[0].scrypt_N, data.salts_buf[0].scrypt_r, data.salts_buf[0].scrypt_p, 1 << data.salts_buf[0].scrypt_tmto);
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}
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hc_clBuildProgram (device_param->program_weak, 1, &device_param->device, build_opts, NULL, NULL);
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}
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local_free (kernel_lengths);
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local_free (kernel_sources[0]);
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local_free (kernel_sources);
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// this is mostly for debug
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size_t ret_val_size = 0;
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clGetProgramBuildInfo (device_param->program_weak, device_param->device, CL_PROGRAM_BUILD_LOG, 0, NULL, &ret_val_size);
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if (ret_val_size > 2)
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{
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char *build_log = (char *) mymalloc (ret_val_size + 1);
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memset (build_log, 0, ret_val_size + 1);
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clGetProgramBuildInfo (device_param->program_weak, device_param->device, CL_PROGRAM_BUILD_LOG, ret_val_size, build_log, NULL);
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puts (build_log);
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myfree (build_log);
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}
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}
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/**
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* main kernel
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*/
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@ -13810,7 +13669,6 @@ int main (int argc, char **argv)
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device_param->d_pws_buf = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_pws, NULL);
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device_param->d_pws_amp_buf = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_pws, NULL);
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device_param->d_rules_c = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_rules_c, NULL); // we need this for weak-hash-check even if the user has choosen for ex: -a 3
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device_param->d_tmps = hc_clCreateBuffer (device_param->context, CL_MEM_READ_WRITE, size_tmps, NULL);
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device_param->d_hooks = hc_clCreateBuffer (device_param->context, CL_MEM_READ_WRITE, size_hooks, NULL);
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device_param->d_bitmap_s1_a = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, bitmap_size, NULL);
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@ -13842,7 +13700,6 @@ int main (int argc, char **argv)
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run_kernel_bzero (device_param, device_param->d_pws_buf, size_pws);
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run_kernel_bzero (device_param, device_param->d_pws_amp_buf, size_pws);
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run_kernel_bzero (device_param, device_param->d_rules_c, size_rules_c);
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run_kernel_bzero (device_param, device_param->d_tmps, size_tmps);
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run_kernel_bzero (device_param, device_param->d_hooks, size_hooks);
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run_kernel_bzero (device_param, device_param->d_plain_bufs, size_plains);
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@ -13854,9 +13711,12 @@ int main (int argc, char **argv)
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if (attack_kern == ATTACK_KERN_STRAIGHT)
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{
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device_param->d_rules = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_rules, NULL);
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device_param->d_rules = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_rules, NULL);
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device_param->d_rules_c = hc_clCreateBuffer (device_param->context, CL_MEM_READ_ONLY, size_rules_c, NULL);
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hc_clEnqueueWriteBuffer (device_param->command_queue, device_param->d_rules, CL_TRUE, 0, size_rules, kernel_rules_buf, 0, NULL, NULL);
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run_kernel_bzero (device_param, device_param->d_rules_c, size_rules_c);
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}
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else if (attack_kern == ATTACK_KERN_COMBI)
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{
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@ -14088,40 +13948,6 @@ int main (int argc, char **argv)
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device_param->kernel3 = hc_clCreateKernel (device_param->program, kernel_name);
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}
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if (weak_hash_threshold)
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{
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if (opts_type & add_flag)
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{
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if (opti_type & OPTI_TYPE_SINGLE_HASH)
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{
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snprintf (kernel_name, sizeof (kernel_name) - 1, "m%05d_s%02d", kern_type, 4);
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device_param->kernel_weak = hc_clCreateKernel (device_param->program_weak, kernel_name);
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}
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else
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{
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snprintf (kernel_name, sizeof (kernel_name) - 1, "m%05d_m%02d", kern_type, 4);
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device_param->kernel_weak = hc_clCreateKernel (device_param->program_weak, kernel_name);
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}
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}
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else
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{
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if (opti_type & OPTI_TYPE_SINGLE_HASH)
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{
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snprintf (kernel_name, sizeof (kernel_name) - 1, "m%05d_s%02d", kern_type, 4);
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device_param->kernel_weak = hc_clCreateKernel (device_param->program, kernel_name);
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}
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else
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{
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snprintf (kernel_name, sizeof (kernel_name) - 1, "m%05d_m%02d", kern_type, 4);
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device_param->kernel_weak = hc_clCreateKernel (device_param->program, kernel_name);
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}
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}
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}
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if (data.attack_mode == ATTACK_MODE_BF)
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{
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if (opts_type & OPTS_TYPE_PT_BITSLICE)
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@ -14173,11 +13999,6 @@ int main (int argc, char **argv)
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if (opts_type & OPTS_TYPE_HOOK12) hc_clSetKernelArg (device_param->kernel12, i, sizeof (cl_mem), device_param->kernel_params[i]);
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if (opts_type & OPTS_TYPE_HOOK23) hc_clSetKernelArg (device_param->kernel23, i, sizeof (cl_mem), device_param->kernel_params[i]);
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if (weak_hash_threshold)
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{
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hc_clSetKernelArg (device_param->kernel_weak, i, sizeof (cl_mem), device_param->kernel_params[i]);
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}
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}
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for (uint i = 21; i <= 31; i++)
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@ -14188,11 +14009,6 @@ int main (int argc, char **argv)
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if (opts_type & OPTS_TYPE_HOOK12) hc_clSetKernelArg (device_param->kernel12, i, sizeof (cl_uint), device_param->kernel_params[i]);
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if (opts_type & OPTS_TYPE_HOOK23) hc_clSetKernelArg (device_param->kernel23, i, sizeof (cl_uint), device_param->kernel_params[i]);
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if (weak_hash_threshold)
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{
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hc_clSetKernelArg (device_param->kernel_weak, i, sizeof (cl_uint), device_param->kernel_params[i]);
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}
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}
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if (attack_mode == ATTACK_MODE_BF)
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@ -16494,12 +16310,10 @@ int main (int argc, char **argv)
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if (device_param->kernel_tb) hc_clReleaseKernel (device_param->kernel_tb);
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if (device_param->kernel_tm) hc_clReleaseKernel (device_param->kernel_tm);
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if (device_param->kernel_amp) hc_clReleaseKernel (device_param->kernel_amp);
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if (device_param->kernel_weak) hc_clReleaseKernel (device_param->kernel_weak);
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if (device_param->program) hc_clReleaseProgram (device_param->program);
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if (device_param->program_mp) hc_clReleaseProgram (device_param->program_mp);
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if (device_param->program_amp) hc_clReleaseProgram (device_param->program_amp);
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if (device_param->program_weak) hc_clReleaseProgram (device_param->program_weak);
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if (device_param->command_queue) hc_clReleaseCommandQueue (device_param->command_queue);
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if (device_param->context) hc_clReleaseContext (device_param->context);
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