564 lines
15 KiB
C
564 lines
15 KiB
C
/*
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* Written by Solar Designer <solar at openwall.com> in 2000-2014.
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* No copyright is claimed, and the software is hereby placed in the public
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* domain. In case this attempt to disclaim copyright and place the software
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* in the public domain is deemed null and void, then the software is
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* Copyright (c) 2000-2014 Solar Designer and it is hereby released to the
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* general public under the following terms:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* There's ABSOLUTELY NO WARRANTY, express or implied.
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*
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* See crypt_blowfish.c for more information.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#ifndef __set_errno
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#define __set_errno(val) errno = (val)
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#endif
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#ifdef TEST
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#include <stdio.h>
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#include <unistd.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/time.h>
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#include <sys/times.h>
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#ifdef TEST_THREADS
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#include <pthread.h>
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#endif
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#endif
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#define CRYPT_OUTPUT_SIZE (7 + 22 + 31 + 1)
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#define CRYPT_GENSALT_OUTPUT_SIZE (7 + 22 + 1)
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#if defined(__GLIBC__) && defined(_LIBC)
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#define __SKIP_GNU
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#endif
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#if defined(_WIN32) || defined(_WIN64)
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#include "ow-crypt.h"
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#include "crypt_blowfish.h"
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#include "crypt_gensalt.h"
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#else
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#include "ow-crypt.h"
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#include "crypt_blowfish.h"
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#include "crypt_gensalt.h"
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#endif
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#if defined(__GLIBC__) && defined(_LIBC)
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/* crypt.h from glibc-crypt-2.1 will define struct crypt_data for us */
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#include "crypt.h"
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extern char *__md5_crypt_r(const char *key, const char *salt,
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char *buffer, int buflen);
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/* crypt-entry.c needs to be patched to define __des_crypt_r rather than
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* __crypt_r, and not define crypt_r and crypt at all */
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extern char *__des_crypt_r(const char *key, const char *salt,
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struct crypt_data *data);
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extern struct crypt_data _ufc_foobar;
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#endif
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static int _crypt_data_alloc(void **data, int *size, int need)
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{
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void *updated;
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if (*data && *size >= need) return 0;
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updated = realloc(*data, need);
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if (!updated) {
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#ifndef __GLIBC__
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/* realloc(3) on glibc sets errno, so we don't need to bother */
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__set_errno(ENOMEM);
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#endif
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return -1;
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}
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#if defined(__GLIBC__) && defined(_LIBC)
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if (need >= sizeof(struct crypt_data))
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((struct crypt_data *)updated)->initialized = 0;
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#endif
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*data = updated;
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*size = need;
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return 0;
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}
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static char *_crypt_retval_magic(char *retval, const char *setting,
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char *output, int size)
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{
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if (retval)
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return retval;
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if (_crypt_output_magic(setting, output, size))
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return NULL; /* shouldn't happen */
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return output;
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}
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#if defined(__GLIBC__) && defined(_LIBC)
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/*
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* Applications may re-use the same instance of struct crypt_data without
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* resetting the initialized field in order to let crypt_r() skip some of
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* its initialization code. Thus, it is important that our multiple hashing
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* algorithms either don't conflict with each other in their use of the
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* data area or reset the initialized field themselves whenever required.
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* Currently, the hashing algorithms simply have no conflicts: the first
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* field of struct crypt_data is the 128-byte large DES key schedule which
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* __des_crypt_r() calculates each time it is called while the two other
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* hashing algorithms use less than 128 bytes of the data area.
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*/
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char *__crypt_rn(__const char *key, __const char *setting,
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void *data, int size)
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{
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if (setting[0] == '$' && setting[1] == '2')
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return _crypt_blowfish_rn(key, setting, (char *)data, size);
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if (setting[0] == '$' && setting[1] == '1')
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return __md5_crypt_r(key, setting, (char *)data, size);
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if (setting[0] == '$' || setting[0] == '_') {
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__set_errno(EINVAL);
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return NULL;
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}
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if (size >= sizeof(struct crypt_data))
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return __des_crypt_r(key, setting, (struct crypt_data *)data);
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__set_errno(ERANGE);
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return NULL;
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}
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char *__crypt_ra(__const char *key, __const char *setting,
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void **data, int *size)
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{
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if (setting[0] == '$' && setting[1] == '2') {
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if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
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return NULL;
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return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
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}
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if (setting[0] == '$' && setting[1] == '1') {
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if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
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return NULL;
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return __md5_crypt_r(key, setting, (char *)*data, *size);
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}
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if (setting[0] == '$' || setting[0] == '_') {
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__set_errno(EINVAL);
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return NULL;
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}
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if (_crypt_data_alloc(data, size, sizeof(struct crypt_data)))
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return NULL;
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return __des_crypt_r(key, setting, (struct crypt_data *)*data);
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}
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char *__crypt_r(__const char *key, __const char *setting,
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struct crypt_data *data)
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{
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return _crypt_retval_magic(
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__crypt_rn(key, setting, data, sizeof(*data)),
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setting, (char *)data, sizeof(*data));
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}
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char *__crypt(__const char *key, __const char *setting)
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{
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return _crypt_retval_magic(
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__crypt_rn(key, setting, &_ufc_foobar, sizeof(_ufc_foobar)),
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setting, (char *)&_ufc_foobar, sizeof(_ufc_foobar));
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}
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#else
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char *crypt_rn(const char *key, const char *setting, void *data, int size)
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{
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return _crypt_blowfish_rn(key, setting, (char *)data, size);
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}
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char *crypt_ra(const char *key, const char *setting,
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void **data, int *size)
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{
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if (_crypt_data_alloc(data, size, CRYPT_OUTPUT_SIZE))
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return NULL;
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return _crypt_blowfish_rn(key, setting, (char *)*data, *size);
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}
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char *crypt_r(const char *key, const char *setting, void *data)
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{
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return _crypt_retval_magic(
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crypt_rn(key, setting, data, CRYPT_OUTPUT_SIZE),
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setting, (char *)data, CRYPT_OUTPUT_SIZE);
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}
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char *crypt(const char *key, const char *setting)
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{
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static char output[CRYPT_OUTPUT_SIZE];
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return _crypt_retval_magic(
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crypt_rn(key, setting, output, sizeof(output)),
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setting, output, sizeof(output));
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}
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#define __crypt_gensalt_rn crypt_gensalt_rn
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#define __crypt_gensalt_ra crypt_gensalt_ra
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#define __crypt_gensalt crypt_gensalt
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#endif
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char *__crypt_gensalt_rn(const char *prefix, unsigned long count,
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const char *input, int size, char *output, int output_size)
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{
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char *(*use)(const char *_prefix, unsigned long _count,
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const char *_input, int _size,
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char *_output, int _output_size);
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/* This may be supported on some platforms in the future */
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if (!input) {
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__set_errno(EINVAL);
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return NULL;
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}
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if (!strncmp(prefix, "$2a$", 4) || !strncmp(prefix, "$2b$", 4) ||
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!strncmp(prefix, "$2y$", 4))
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use = _crypt_gensalt_blowfish_rn;
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else
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if (!strncmp(prefix, "$1$", 3))
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use = _crypt_gensalt_md5_rn;
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else
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if (prefix[0] == '_')
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use = _crypt_gensalt_extended_rn;
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else
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if (!prefix[0] ||
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(prefix[0] && prefix[1] &&
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memchr(_crypt_itoa64, prefix[0], 64) &&
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memchr(_crypt_itoa64, prefix[1], 64)))
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use = _crypt_gensalt_traditional_rn;
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else {
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__set_errno(EINVAL);
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return NULL;
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}
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return use(prefix, count, input, size, output, output_size);
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}
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char *__crypt_gensalt_ra(const char *prefix, unsigned long count,
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const char *input, int size)
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{
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char output[CRYPT_GENSALT_OUTPUT_SIZE];
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char *retval;
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retval = __crypt_gensalt_rn(prefix, count,
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input, size, output, sizeof(output));
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if (retval) {
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#if defined(_WIN32) || defined(_WIN64)
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retval = _strdup(retval);
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#else
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retval = strdup(retval);
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#endif
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#ifndef __GLIBC__
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/* strdup(3) on glibc sets errno, so we don't need to bother */
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if (!retval)
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__set_errno(ENOMEM);
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#endif
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}
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return retval;
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}
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char *__crypt_gensalt(const char *prefix, unsigned long count,
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const char *input, int size)
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{
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static char output[CRYPT_GENSALT_OUTPUT_SIZE];
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return __crypt_gensalt_rn(prefix, count,
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input, size, output, sizeof(output));
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}
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#if defined(__GLIBC__) && defined(_LIBC)
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weak_alias(__crypt_rn, crypt_rn)
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weak_alias(__crypt_ra, crypt_ra)
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weak_alias(__crypt_r, crypt_r)
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weak_alias(__crypt, crypt)
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weak_alias(__crypt_gensalt_rn, crypt_gensalt_rn)
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weak_alias(__crypt_gensalt_ra, crypt_gensalt_ra)
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weak_alias(__crypt_gensalt, crypt_gensalt)
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weak_alias(crypt, fcrypt)
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#endif
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#ifdef TEST
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static const char *tests[][3] = {
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{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW",
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"U*U"},
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{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK",
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"U*U*"},
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{"$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a",
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"U*U*U"},
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{"$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui",
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"0123456789abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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"chars after 72 are ignored"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
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"\xa3"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
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"\xff\xff\xa3"},
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{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
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"\xff\xff\xa3"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nqd1wy.pTMdcvrRWxyiGL2eMz.2a85.",
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"\xff\xff\xa3"},
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{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.CE5elHaaO4EbggVDjb8P19RukzXSM3e",
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"\xff\xff\xa3"},
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{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
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"\xa3"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
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"\xa3"},
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{"$2b$05$/OK.fbVrR/bpIqNJ5ianF.Sa7shbm4.OzKpvFnX1pQLmQW96oUlCq",
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"\xa3"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
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"1\xa3" "345"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
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"\xff\xa3" "345"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
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"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
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{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.o./n25XVfn6oAPaUvHe.Csk4zRfsYPi",
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"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.ZC1JEJ8Z4gPfpe1JOr/oyPXTWl9EFd.",
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"\xff\xa3" "34" "\xff\xff\xff\xa3" "345"},
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{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
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"\xff\xa3" "345"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.nRht2l/HRhr6zmCp9vYUvvsqynflf9e",
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"\xff\xa3" "345"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
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"\xa3" "ab"},
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{"$2x$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
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"\xa3" "ab"},
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{"$2y$05$/OK.fbVrR/bpIqNJ5ianF.6IflQkJytoRVc1yuaNtHfiuq.FRlSIS",
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"\xa3" "ab"},
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{"$2x$05$6bNw2HLQYeqHYyBfLMsv/OiwqTymGIGzFsA4hOTWebfehXHNprcAS",
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"\xd1\x91"},
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{"$2x$05$6bNw2HLQYeqHYyBfLMsv/O9LIGgn8OMzuDoHfof8AQimSGfcSWxnS",
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"\xd0\xc1\xd2\xcf\xcc\xd8"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6",
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa"
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"chars after 72 are ignored as usual"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy",
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"
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"\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55\xaa\x55"},
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{"$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe",
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"
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"\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff\x55\xaa\xff"},
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{"$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy",
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""},
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{"*0", "", "$2a$03$CCCCCCCCCCCCCCCCCCCCC."},
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{"*0", "", "$2a$32$CCCCCCCCCCCCCCCCCCCCC."},
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{"*0", "", "$2c$05$CCCCCCCCCCCCCCCCCCCCC."},
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{"*0", "", "$2z$05$CCCCCCCCCCCCCCCCCCCCC."},
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{"*0", "", "$2`$05$CCCCCCCCCCCCCCCCCCCCC."},
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{"*0", "", "$2{$05$CCCCCCCCCCCCCCCCCCCCC."},
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{"*1", "", "*0"},
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{NULL}
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};
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#define which tests[0]
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static volatile sig_atomic_t running;
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static void handle_timer(int signum)
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{
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(void) signum;
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running = 0;
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}
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static void *run(void *arg)
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{
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unsigned long count = 0;
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int i = 0;
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void *data = NULL;
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int size = 0x12345678;
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do {
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const char *hash = tests[i][0];
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const char *key = tests[i][1];
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const char *setting = tests[i][2];
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if (!tests[++i][0])
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i = 0;
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if (setting && strlen(hash) < 30) /* not for benchmark */
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continue;
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if (strcmp(crypt_ra(key, hash, &data, &size), hash)) {
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printf("%d: FAILED (crypt_ra/%d/%lu)\n",
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(int)((char *)arg - (char *)0), i, count);
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free(data);
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return NULL;
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}
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count++;
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} while (running);
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free(data);
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return count + (char *)0;
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}
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int main(void)
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{
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struct itimerval it;
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struct tms buf;
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clock_t clk_tck, start_real, start_virtual, end_real, end_virtual;
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unsigned long count;
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void *data;
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int size;
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char *setting1, *setting2;
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int i;
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#ifdef TEST_THREADS
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pthread_t t[TEST_THREADS];
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void *t_retval;
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#endif
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data = NULL;
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size = 0x12345678;
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for (i = 0; tests[i][0]; i++) {
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const char *hash = tests[i][0];
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const char *key = tests[i][1];
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const char *setting = tests[i][2];
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const char *p;
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int ok = !setting || strlen(hash) >= 30;
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int o_size;
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char s_buf[30], o_buf[61];
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if (!setting) {
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memcpy(s_buf, hash, sizeof(s_buf) - 1);
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s_buf[sizeof(s_buf) - 1] = 0;
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setting = s_buf;
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}
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__set_errno(0);
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p = crypt(key, setting);
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if ((!ok && !errno) || strcmp(p, hash)) {
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printf("FAILED (crypt/%d)\n", i);
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return 1;
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}
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|
|
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if (ok && strcmp(crypt(key, hash), hash)) {
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|
printf("FAILED (crypt/%d)\n", i);
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|
return 1;
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|
}
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|
|
|
for (o_size = -1; o_size <= (int)sizeof(o_buf); o_size++) {
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|
int ok_n = ok && o_size == (int)sizeof(o_buf);
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|
const char *x = "abc";
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|
strcpy(o_buf, x);
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|
if (o_size >= 3) {
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|
x = "*0";
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|
if (setting[0] == '*' && setting[1] == '0')
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|
x = "*1";
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|
}
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|
__set_errno(0);
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|
p = crypt_rn(key, setting, o_buf, o_size);
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|
if ((ok_n && (!p || strcmp(p, hash))) ||
|
|
(!ok_n && (!errno || p || strcmp(o_buf, x)))) {
|
|
printf("FAILED (crypt_rn/%d)\n", i);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
__set_errno(0);
|
|
p = crypt_ra(key, setting, &data, &size);
|
|
if ((ok && (!p || strcmp(p, hash))) ||
|
|
(!ok && (!errno || p || strcmp((char *)data, hash)))) {
|
|
printf("FAILED (crypt_ra/%d)\n", i);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
setting1 = crypt_gensalt(which[0], 12, data, size);
|
|
if (!setting1 || strncmp(setting1, "$2a$12$", 7)) {
|
|
puts("FAILED (crypt_gensalt)\n");
|
|
return 1;
|
|
}
|
|
|
|
setting2 = crypt_gensalt_ra(setting1, 12, data, size);
|
|
if (strcmp(setting1, setting2)) {
|
|
puts("FAILED (crypt_gensalt_ra/1)\n");
|
|
return 1;
|
|
}
|
|
|
|
(*(char *)data)++;
|
|
setting1 = crypt_gensalt_ra(setting2, 12, data, size);
|
|
if (!strcmp(setting1, setting2)) {
|
|
puts("FAILED (crypt_gensalt_ra/2)\n");
|
|
return 1;
|
|
}
|
|
|
|
free(setting1);
|
|
free(setting2);
|
|
free(data);
|
|
|
|
#if defined(_SC_CLK_TCK) || !defined(CLK_TCK)
|
|
clk_tck = sysconf(_SC_CLK_TCK);
|
|
#else
|
|
clk_tck = CLK_TCK;
|
|
#endif
|
|
|
|
running = 1;
|
|
signal(SIGALRM, handle_timer);
|
|
|
|
memset(&it, 0, sizeof(it));
|
|
it.it_value.tv_sec = 5;
|
|
setitimer(ITIMER_REAL, &it, NULL);
|
|
|
|
start_real = times(&buf);
|
|
start_virtual = buf.tms_utime + buf.tms_stime;
|
|
|
|
count = (char *)run((char *)0) - (char *)0;
|
|
|
|
end_real = times(&buf);
|
|
end_virtual = buf.tms_utime + buf.tms_stime;
|
|
if (end_virtual == start_virtual) end_virtual++;
|
|
|
|
printf("%.1f c/s real, %.1f c/s virtual\n",
|
|
(float)count * clk_tck / (end_real - start_real),
|
|
(float)count * clk_tck / (end_virtual - start_virtual));
|
|
|
|
#ifdef TEST_THREADS
|
|
running = 1;
|
|
it.it_value.tv_sec = 60;
|
|
setitimer(ITIMER_REAL, &it, NULL);
|
|
start_real = times(&buf);
|
|
|
|
for (i = 0; i < TEST_THREADS; i++)
|
|
if (pthread_create(&t[i], NULL, run, i + (char *)0)) {
|
|
perror("pthread_create");
|
|
return 1;
|
|
}
|
|
|
|
for (i = 0; i < TEST_THREADS; i++) {
|
|
if (pthread_join(t[i], &t_retval)) {
|
|
perror("pthread_join");
|
|
continue;
|
|
}
|
|
if (!t_retval) continue;
|
|
count = (char *)t_retval - (char *)0;
|
|
end_real = times(&buf);
|
|
printf("%d: %.1f c/s real\n", i,
|
|
(float)count * clk_tck / (end_real - start_real));
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif
|