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|
/*
+----------------------------------------------------------------------+
| PHP HTML Embedded Scripting Language Version 3.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2000 PHP Development Team (See Credits file) |
+----------------------------------------------------------------------+
| This program is free software; you can redistribute it and/or modify |
| it under the terms of one of the following licenses: |
| |
| A) the GNU General Public License as published by the Free Software |
| Foundation; either version 2 of the License, or (at your option) |
| any later version. |
| |
| B) the PHP License as published by the PHP Development Team and |
| included in the distribution in the file: LICENSE |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of both licenses referred to here. |
| If you did not, or have any questions about PHP licensing, please |
| contact core@php.net. |
+----------------------------------------------------------------------+
| Authors: Stig Bakken <ssb@gaurdian.no> |
| Zeev Suraski <zeev@php.net> |
| Rasmus Lerdorf <rasmus@lerdorf.on.ca> |
+----------------------------------------------------------------------+
*/
/* $Id: crypt.c,v 1.49 2000/01/01 04:31:14 sas Exp $ */
#include <stdlib.h>
#include "php.h"
#include "internal_functions.h"
#if HAVE_CRYPT
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#if HAVE_CRYPT_H
#include <crypt.h>
#endif
#if TM_IN_SYS_TIME
#include <sys/time.h>
#else
#include <time.h>
#endif
#if HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#if MSVC5
#include <process.h>
extern char *crypt(char *__key,char *__salt);
#endif
#include "functions/php3_string.h"
function_entry crypt_functions[] = {
{"crypt", php3_crypt, NULL},
{NULL, NULL, NULL}
};
php3_module_entry crypt_module_entry = {
"Crypt", crypt_functions, php3_minit_crypt, NULL, NULL, NULL, NULL, STANDARD_MODULE_PROPERTIES
};
/*
The capabilities of the crypt() function is determined by the test programs
run by configure from aclocal.m4. They will set PHP3_STD_DES_CRYPT,
PHP3_EXT_DES_CRYPT, PHP3_MD5_CRYPT and PHP3_BLOWFISH_CRYPT as appropriate
for the target platform
*/
#if PHP3_STD_DES_CRYPT
#define PHP3_MAX_SALT_LEN 2
#endif
#if PHP3_EXT_DES_CRYPT
#undef PHP3_MAX_SALT_LEN
#define PHP3_MAX_SALT_LEN 9
#endif
#if PHP3_MD5_CRYPT
#undef PHP3_MAX_SALT_LEN
#define PHP3_MAX_SALT_LEN 12
#endif
#if PHP3_BLOWFISH_CRYPT
#undef PHP3_MAX_SALT_LEN
#define PHP3_MAX_SALT_LEN 17
#endif
#if HAVE_LRAND48
#define PHP3_CRYPT_RAND lrand48()
#else
#if HAVE_RANDOM
#define PHP3_CRYPT_RAND random()
#else
#define PHP3_CRYPT_RAND rand()
#endif
#endif
int php3_minit_crypt(INIT_FUNC_ARGS) {
#if PHP3_STD_DES_CRYPT
REGISTER_LONG_CONSTANT("CRYPT_SALT_LENGTH", 2, CONST_CS | CONST_PERSISTENT);
#else
#if PHP3_MD5_CRYPT
REGISTER_LONG_CONSTANT("CRYPT_SALT_LENGTH", 12, CONST_CS | CONST_PERSISTENT);
#endif
#endif
REGISTER_LONG_CONSTANT("CRYPT_STD_DES", PHP3_STD_DES_CRYPT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("CRYPT_EXT_DES", PHP3_EXT_DES_CRYPT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("CRYPT_MD5", PHP3_MD5_CRYPT, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("CRYPT_BLOWFISH", PHP3_BLOWFISH_CRYPT, CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
static unsigned char itoa64[] = "./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
static void php3i_to64(char *s, long v, int n) {
while (--n >= 0) {
*s++ = itoa64[v&0x3f];
v >>= 6;
}
}
/* {{{ proto string crypt(string str [, string salt])
Encrypt a string */
void php3_crypt(INTERNAL_FUNCTION_PARAMETERS)
{
char salt[PHP3_MAX_SALT_LEN+1];
pval *arg1, *arg2;
salt[0]='\0';
switch (ARG_COUNT(ht)) {
case 1:
if (getParameters(ht, 1, &arg1)==FAILURE) {
RETURN_FALSE;
}
break;
case 2:
if (getParameters(ht, 2, &arg1, &arg2)==FAILURE) {
RETURN_FALSE;
}
convert_to_string(arg2);
memcpy(salt, arg2->value.str.val, MIN(PHP3_MAX_SALT_LEN,arg2->value.str.len));
break;
default:
WRONG_PARAM_COUNT;
break;
}
convert_to_string(arg1);
/* The automatic salt generation only covers standard DES and md5-crypt */
if(!*salt) {
#if HAVE_SRAND48
srand48((unsigned int) time(0) * getpid());
#else
#if HAVE_SRANDOM
srandom((unsigned int) time(0) * getpid());
#else
srand((unsigned int) time(0) * getpid());
#endif
#endif
#if PHP3_STD_DES_CRYPT
php3i_to64(&salt[0], PHP3_CRYPT_RAND, 2);
salt[2] = '\0';
#else
#if PHP3_MD5_CRYPT
strcpy(salt, "$1$");
php3i_to64(&salt[3], PHP3_CRYPT_RAND, 4);
php3i_to64(&salt[7], PHP3_CRYPT_RAND, 4);
strcpy(&salt[11], "$");
#endif
#endif
}
return_value->value.str.val = (char *) crypt(arg1->value.str.val, salt);
return_value->value.str.len = strlen(return_value->value.str.val);
return_value->type = IS_STRING;
pval_copy_constructor(return_value);
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
