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Added sha1, sha1_file functions.

experimental/new_apache_hooks
Stefan Esser 24 years ago
parent
4f1e5943d8
commit
bffe4cf222
5 changed files with 462 additions and 1 deletions
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  1. 2
      ext/standard/basic_functions.c
  2. 2
      ext/standard/config.m4
  3. 1
      ext/standard/php_standard.h
  4. 418
      ext/standard/sha1.c
  5. 40
      ext/standard/sha1.h

2
ext/standard/basic_functions.c
View File

@ -275,6 +275,8 @@ function_entry basic_functions[] = {
PHP_FE(htmlentities, NULL)
PHP_FE(html_entity_decode, NULL)
PHP_FE(get_html_translation_table, NULL)
PHP_FE(sha1, NULL)
PHP_FE(sha1_file, NULL)
PHP_NAMED_FE(md5,php_if_md5, NULL)
PHP_NAMED_FE(md5_file,php_if_md5_file, NULL)
PHP_NAMED_FE(crc32,php_if_crc32, NULL)

2
ext/standard/config.m4
View File

@ -239,6 +239,6 @@ PHP_NEW_EXTENSION(standard, array.c base64.c basic_functions.c browscap.c crc32.
syslog.c type.c uniqid.c url.c url_scanner.c var.c versioning.c assert.c \
strnatcmp.c levenshtein.c incomplete_class.c url_scanner_ex.c \
ftp_fopen_wrapper.c http_fopen_wrapper.c php_fopen_wrapper.c credits.c \
var_unserializer.c ftok.c aggregation.c)
var_unserializer.c ftok.c aggregation.c sha1.c )
PHP_ADD_MAKEFILE_FRAGMENT

1
ext/standard/php_standard.h
View File

@ -27,6 +27,7 @@
#include "reg.h"
#include "php_mail.h"
#include "md5.h"
#include "sha1.h"
#include "html.h"
#include "exec.h"
#include "file.h"

418
ext/standard/sha1.c
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@ -0,0 +1,418 @@
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Stefan Esser <sesser@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include <stdio.h>
#include "php.h"
/* This code is heavily based on the PHP md5 implementation */
#include "sha1.h"
PHPAPI void make_sha1_digest(char *sha1str, unsigned char *digest)
{
int i;
for (i = 0; i < 20; i++) {
sprintf(sha1str, "%02x", digest[i]);
sha1str += 2;
}
*sha1str = '\0';
}
/* {{{ proto string sha1(string str)
Calculate the sha1 hash of a string */
PHP_FUNCTION(sha1)
{
zval **arg;
char sha1str[41];
PHP_SHA1_CTX context;
unsigned char digest[20];
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(arg);
sha1str[0] = '\0';
PHP_SHA1Init(&context);
PHP_SHA1Update(&context, Z_STRVAL_PP(arg), Z_STRLEN_PP(arg));
PHP_SHA1Final(digest, &context);
make_sha1_digest(sha1str, digest);
RETVAL_STRING(sha1str, 1);
}
/* }}} */
/* {{{ proto string sha1_file(string filename)
Calculate the sha1 hash of given filename */
PHP_FUNCTION(sha1_file)
{
zval **arg;
char sha1str[41];
unsigned char buf[1024];
unsigned char digest[20];
PHP_SHA1_CTX context;
int n;
FILE *fp;
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_string_ex(arg);
if (PG(safe_mode) && (!php_checkuid(Z_STRVAL_PP(arg), NULL, CHECKUID_CHECK_FILE_AND_DIR))) {
RETURN_FALSE;
}
if (php_check_open_basedir(Z_STRVAL_PP(arg) TSRMLS_CC)) {
RETURN_FALSE;
}
if ((fp = VCWD_FOPEN(Z_STRVAL_PP(arg), "rb")) == NULL) {
php_error(E_WARNING, "md5_file(): Unable to open file");
RETURN_FALSE;
}
PHP_SHA1Init(&context);
while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
PHP_SHA1Update(&context, buf, n);
}
PHP_SHA1Final(digest, &context);
if (ferror(fp)) {
fclose(fp);
RETURN_FALSE;
}
fclose(fp);
make_sha1_digest(sha1str, digest);
RETVAL_STRING(sha1str, 1);
}
/* }}} */
static void SHA1Transform(php_uint32[5], const unsigned char[64]);
static void SHA1Encode(unsigned char *, php_uint32 *, unsigned int);
static void SHA1Decode(php_uint32 *, const unsigned char *, unsigned int);
static unsigned char PADDING[64] =
{
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* F, G, H and I are basic SHA1 functions.
*/
#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
#define G(x, y, z) ((x) ^ (y) ^ (z))
#define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))
#define I(x, y, z) ((x) ^ (y) ^ (z))
/* ROTATE_LEFT rotates x left n bits.
*/
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
/* W[i]
*/
#define W(i) ( tmp=x[(i-3)&15]^x[(i-8)&15]^x[(i-14)&15]^x[i&15], \
(x[i&15]=ROTATE_LEFT(tmp, 1)) )
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
*/
#define FF(a, b, c, d, e, w) { \
(e) += F ((b), (c), (d)) + (w) + (php_uint32)(0x5A827999); \
(e) += ROTATE_LEFT ((a), 5); \
(b) = ROTATE_LEFT((b), 30); \
}
#define GG(a, b, c, d, e, w) { \
(e) += G ((b), (c), (d)) + (w) + (php_uint32)(0x6ED9EBA1); \
(e) += ROTATE_LEFT ((a), 5); \
(b) = ROTATE_LEFT((b), 30); \
}
#define HH(a, b, c, d, e, w) { \
(e) += H ((b), (c), (d)) + (w) + (php_uint32)(0x8F1BBCDC); \
(e) += ROTATE_LEFT ((a), 5); \
(b) = ROTATE_LEFT((b), 30); \
}
#define II(a, b, c, d, e, w) { \
(e) += I ((b), (c), (d)) + (w) + (php_uint32)(0xCA62C1D6); \
(e) += ROTATE_LEFT ((a), 5); \
(b) = ROTATE_LEFT((b), 30); \
}
/* {{{ PHP_SHA1Init
* SHA1 initialization. Begins an SHA1 operation, writing a new context.
*/
PHPAPI void PHP_SHA1Init(PHP_SHA1_CTX * context)
{
context->count[0] = context->count[1] = 0;
/* Load magic initialization constants.
*/
context->state[0] = 0x67452301;
context->state[1] = 0xefcdab89;
context->state[2] = 0x98badcfe;
context->state[3] = 0x10325476;
context->state[4] = 0xc3d2e1f0;
}
/* }}} */
/* {{{ PHP_SHA1Update
SHA1 block update operation. Continues an SHA1 message-digest
operation, processing another message block, and updating the
context.
*/
PHPAPI void PHP_SHA1Update(PHP_SHA1_CTX * context, const unsigned char *input,
unsigned int inputLen)
{
unsigned int i, index, partLen;
/* Compute number of bytes mod 64 */
index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
/* Update number of bits */
if ((context->count[0] += ((php_uint32) inputLen << 3))
< ((php_uint32) inputLen << 3))
context->count[1]++;
context->count[1] += ((php_uint32) inputLen >> 29);
partLen = 64 - index;
/* Transform as many times as possible.
*/
if (inputLen >= partLen) {
memcpy
((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
SHA1Transform(context->state, context->buffer);
for (i = partLen; i + 63 < inputLen; i += 64)
SHA1Transform(context->state, &input[i]);
index = 0;
} else
i = 0;
/* Buffer remaining input */
memcpy
((unsigned char*) & context->buffer[index], (unsigned char*) & input[i],
inputLen - i);
}
/* }}} */
/* {{{ PHP_SHA1Final
SHA1 finalization. Ends an SHA1 message-digest operation, writing the
the message digest and zeroizing the context.
*/
PHPAPI void PHP_SHA1Final(unsigned char digest[20], PHP_SHA1_CTX * context)
{
unsigned char bits[8];
unsigned int index, padLen;
/* Save number of bits */
bits[7] = context->count[0] & 0xFF;
bits[6] = (context->count[0] >> 8) & 0xFF;
bits[5] = (context->count[0] >> 16) & 0xFF;
bits[4] = (context->count[0] >> 24) & 0xFF;
bits[3] = context->count[1] & 0xFF;
bits[2] = (context->count[1] >> 8) & 0xFF;
bits[1] = (context->count[1] >> 16) & 0xFF;
bits[0] = (context->count[1] >> 24) & 0xFF;
/* Pad out to 56 mod 64.
*/
index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
padLen = (index < 56) ? (56 - index) : (120 - index);
PHP_SHA1Update(context, PADDING, padLen);
/* Append length (before padding) */
PHP_SHA1Update(context, bits, 8);
/* Store state in digest */
SHA1Encode(digest, context->state, 20);
/* Zeroize sensitive information.
*/
memset((unsigned char*) context, 0, sizeof(*context));
}
/* }}} */
/* {{{ SHA1Transform
* SHA1 basic transformation. Transforms state based on block.
*/
static void SHA1Transform(state, block)
php_uint32 state[5];
const unsigned char block[64];
{
php_uint32 a = state[0], b = state[1], c = state[2];
php_uint32 d = state[3], e = state[4], x[16], tmp;
SHA1Decode(x, block, 64);
/* Round 1 */
FF(a, b, c, d, e, x[0]); /* 1 */
FF(e, a, b, c, d, x[1]); /* 2 */
FF(d, e, a, b, c, x[2]); /* 3 */
FF(c, d, e, a, b, x[3]); /* 4 */
FF(b, c, d, e, a, x[4]); /* 5 */
FF(a, b, c, d, e, x[5]); /* 6 */
FF(e, a, b, c, d, x[6]); /* 7 */
FF(d, e, a, b, c, x[7]); /* 8 */
FF(c, d, e, a, b, x[8]); /* 9 */
FF(b, c, d, e, a, x[9]); /* 10 */
FF(a, b, c, d, e, x[10]); /* 11 */
FF(e, a, b, c, d, x[11]); /* 12 */
FF(d, e, a, b, c, x[12]); /* 13 */
FF(c, d, e, a, b, x[13]); /* 14 */
FF(b, c, d, e, a, x[14]); /* 15 */
FF(a, b, c, d, e, x[15]); /* 16 */
FF(e, a, b, c, d, W(16)); /* 17 */
FF(d, e, a, b, c, W(17)); /* 18 */
FF(c, d, e, a, b, W(18)); /* 19 */
FF(b, c, d, e, a, W(19)); /* 20 */
/* Round 2 */
GG(a, b, c, d, e, W(20)); /* 21 */
GG(e, a, b, c, d, W(21)); /* 22 */
GG(d, e, a, b, c, W(22)); /* 23 */
GG(c, d, e, a, b, W(23)); /* 24 */
GG(b, c, d, e, a, W(24)); /* 25 */
GG(a, b, c, d, e, W(25)); /* 26 */
GG(e, a, b, c, d, W(26)); /* 27 */
GG(d, e, a, b, c, W(27)); /* 28 */
GG(c, d, e, a, b, W(28)); /* 29 */
GG(b, c, d, e, a, W(29)); /* 30 */
GG(a, b, c, d, e, W(30)); /* 31 */
GG(e, a, b, c, d, W(31)); /* 32 */
GG(d, e, a, b, c, W(32)); /* 33 */
GG(c, d, e, a, b, W(33)); /* 34 */
GG(b, c, d, e, a, W(34)); /* 35 */
GG(a, b, c, d, e, W(35)); /* 36 */
GG(e, a, b, c, d, W(36)); /* 37 */
GG(d, e, a, b, c, W(37)); /* 38 */
GG(c, d, e, a, b, W(38)); /* 39 */
GG(b, c, d, e, a, W(39)); /* 40 */
/* Round 3 */
HH(a, b, c, d, e, W(40)); /* 41 */
HH(e, a, b, c, d, W(41)); /* 42 */
HH(d, e, a, b, c, W(42)); /* 43 */
HH(c, d, e, a, b, W(43)); /* 44 */
HH(b, c, d, e, a, W(44)); /* 45 */
HH(a, b, c, d, e, W(45)); /* 46 */
HH(e, a, b, c, d, W(46)); /* 47 */
HH(d, e, a, b, c, W(47)); /* 48 */
HH(c, d, e, a, b, W(48)); /* 49 */
HH(b, c, d, e, a, W(49)); /* 50 */
HH(a, b, c, d, e, W(50)); /* 51 */
HH(e, a, b, c, d, W(51)); /* 52 */
HH(d, e, a, b, c, W(52)); /* 53 */
HH(c, d, e, a, b, W(53)); /* 54 */
HH(b, c, d, e, a, W(54)); /* 55 */
HH(a, b, c, d, e, W(55)); /* 56 */
HH(e, a, b, c, d, W(56)); /* 57 */
HH(d, e, a, b, c, W(57)); /* 58 */
HH(c, d, e, a, b, W(58)); /* 59 */
HH(b, c, d, e, a, W(59)); /* 60 */
/* Round 4 */
II(a, b, c, d, e, W(60)); /* 61 */
II(e, a, b, c, d, W(61)); /* 62 */
II(d, e, a, b, c, W(62)); /* 63 */
II(c, d, e, a, b, W(63)); /* 64 */
II(b, c, d, e, a, W(64)); /* 65 */
II(a, b, c, d, e, W(65)); /* 66 */
II(e, a, b, c, d, W(66)); /* 67 */
II(d, e, a, b, c, W(67)); /* 68 */
II(c, d, e, a, b, W(68)); /* 69 */
II(b, c, d, e, a, W(69)); /* 70 */
II(a, b, c, d, e, W(70)); /* 71 */
II(e, a, b, c, d, W(71)); /* 72 */
II(d, e, a, b, c, W(72)); /* 73 */
II(c, d, e, a, b, W(73)); /* 74 */
II(b, c, d, e, a, W(74)); /* 75 */
II(a, b, c, d, e, W(75)); /* 76 */
II(e, a, b, c, d, W(76)); /* 77 */
II(d, e, a, b, c, W(77)); /* 78 */
II(c, d, e, a, b, W(78)); /* 79 */
II(b, c, d, e, a, W(79)); /* 80 */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
/* Zeroize sensitive information. */
memset((unsigned char*) x, 0, sizeof(x));
}
/* }}} */
/* {{{ SHA1Encode
Encodes input (php_uint32) into output (unsigned char). Assumes len is
a multiple of 4.
*/
static void SHA1Encode(output, input, len)
unsigned char *output;
php_uint32 *input;
unsigned int len;
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4) {
output[j] = (unsigned char) ((input[i] >> 24) & 0xff);
output[j + 1] = (unsigned char) ((input[i] >> 16) & 0xff);
output[j + 2] = (unsigned char) ((input[i] >> 8) & 0xff);
output[j + 3] = (unsigned char) (input[i] & 0xff);
}
}
/* }}} */
/* {{{ SHA1Decode
Decodes input (unsigned char) into output (php_uint32). Assumes len is
a multiple of 4.
*/
static void SHA1Decode(output, input, len)
php_uint32 *output;
const unsigned char *input;
unsigned int len;
{
unsigned int i, j;
for (i = 0, j = 0; j < len; i++, j += 4)
output[i] = ((php_uint32) input[j + 3]) | (((php_uint32) input[j + 2]) << 8) |
(((php_uint32) input[j + 1]) << 16) | (((php_uint32) input[j]) << 24);
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/

40
ext/standard/sha1.h
View File

@ -0,0 +1,40 @@
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Stefan Esser <sesser@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef SHA1_H
#define SHA1_H
#include "ext/standard/basic_functions.h"
/* SHA1 context. */
typedef struct {
php_uint32 state[5]; /* state (ABCD) */
php_uint32 count[2]; /* number of bits, modulo 2^64 (lsb first) */
unsigned char buffer[64]; /* input buffer */
} PHP_SHA1_CTX;
PHPAPI void PHP_SHA1Init(PHP_SHA1_CTX *);
PHPAPI void PHP_SHA1Update(PHP_SHA1_CTX *, const unsigned char *, unsigned int);
PHPAPI void PHP_SHA1Final(unsigned char[20], PHP_SHA1_CTX *);
PHP_FUNCTION(sha1);
PHP_FUNCTION(sha1_file);
#endif
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