| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /************************************************************************ |
| * NCSA HTTPd Server |
| * Software Development Group |
| * National Center for Supercomputing Applications |
| * University of Illinois at Urbana-Champaign |
| * 605 E. Springfield, Champaign, IL 61820 |
| * httpd@ncsa.uiuc.edu |
| * |
| * Copyright (C) 1995, Board of Trustees of the University of Illinois |
| * |
| ************************************************************************ |
| * |
| * md5.c: NCSA HTTPd code which uses the md5c.c RSA Code |
| * |
| * Original Code Copyright (C) 1994, Jeff Hostetler, Spyglass, Inc. |
| * Portions of Content-MD5 code Copyright (C) 1993, 1994 by Carnegie Mellon |
| * University (see Copyright below). |
| * Portions of Content-MD5 code Copyright (C) 1991 Bell Communications |
| * Research, Inc. (Bellcore) (see Copyright below). |
| * Portions extracted from mpack, John G. Myers - jgm+@cmu.edu |
| * Content-MD5 Code contributed by Martin Hamilton (martin@net.lut.ac.uk) |
| * |
| */ |
| |
| |
| |
| /* md5.c --Module Interface to MD5. */ |
| /* Jeff Hostetler, Spyglass, Inc., 1994. */ |
| |
| #include "ap_config.h" |
| #include "apr_portable.h" |
| #include "apr_strings.h" |
| #include "httpd.h" |
| #include "util_md5.h" |
| #include "util_ebcdic.h" |
| |
| AP_DECLARE(char *) ap_md5_binary(apr_pool_t *p, const unsigned char *buf, int length) |
| { |
| apr_md5_ctx_t my_md5; |
| unsigned char hash[APR_MD5_DIGESTSIZE]; |
| char result[2 * APR_MD5_DIGESTSIZE + 1]; |
| |
| /* |
| * Take the MD5 hash of the string argument. |
| */ |
| |
| apr_md5_init(&my_md5); |
| #if APR_CHARSET_EBCDIC |
| apr_md5_set_xlate(&my_md5, ap_hdrs_to_ascii); |
| #endif |
| apr_md5_update(&my_md5, buf, (unsigned int)length); |
| apr_md5_final(hash, &my_md5); |
| |
| ap_bin2hex(hash, APR_MD5_DIGESTSIZE, result); |
| |
| return apr_pstrndup(p, result, APR_MD5_DIGESTSIZE*2); |
| } |
| |
| AP_DECLARE(char *) ap_md5(apr_pool_t *p, const unsigned char *string) |
| { |
| return ap_md5_binary(p, string, (int) strlen((char *)string)); |
| } |
| |
| /* these portions extracted from mpack, John G. Myers - jgm+@cmu.edu */ |
| |
| /* (C) Copyright 1993,1994 by Carnegie Mellon University |
| * All Rights Reserved. |
| * |
| * Permission to use, copy, modify, distribute, and sell this software |
| * and its documentation for any purpose is hereby granted without |
| * fee, provided that the above copyright notice appear in all copies |
| * and that both that copyright notice and this permission notice |
| * appear in supporting documentation, and that the name of Carnegie |
| * Mellon University not be used in advertising or publicity |
| * pertaining to distribution of the software without specific, |
| * written prior permission. Carnegie Mellon University makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied |
| * warranty. |
| * |
| * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY |
| * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE |
| * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN |
| * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING |
| * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| * SOFTWARE. |
| */ |
| |
| /* |
| * Copyright (c) 1991 Bell Communications Research, Inc. (Bellcore) |
| * |
| * Permission to use, copy, modify, and distribute this material |
| * for any purpose and without fee is hereby granted, provided |
| * that the above copyright notice and this permission notice |
| * appear in all copies, and that the name of Bellcore not be |
| * used in advertising or publicity pertaining to this |
| * material without the specific, prior written permission |
| * of an authorized representative of Bellcore. BELLCORE |
| * MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY |
| * OF THIS MATERIAL FOR ANY PURPOSE. IT IS PROVIDED "AS IS", |
| * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. |
| */ |
| |
| static char basis_64[] = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| |
| AP_DECLARE(char *) ap_md5contextTo64(apr_pool_t *a, apr_md5_ctx_t *context) |
| { |
| unsigned char digest[18]; |
| char *encodedDigest; |
| int i; |
| char *p; |
| |
| encodedDigest = (char *) apr_pcalloc(a, 25 * sizeof(char)); |
| |
| apr_md5_final(digest, context); |
| digest[sizeof(digest) - 1] = digest[sizeof(digest) - 2] = 0; |
| |
| p = encodedDigest; |
| for (i = 0; i < sizeof(digest); i += 3) { |
| *p++ = basis_64[digest[i] >> 2]; |
| *p++ = basis_64[((digest[i] & 0x3) << 4) | ((int) (digest[i + 1] & 0xF0) >> 4)]; |
| *p++ = basis_64[((digest[i + 1] & 0xF) << 2) | ((int) (digest[i + 2] & 0xC0) >> 6)]; |
| *p++ = basis_64[digest[i + 2] & 0x3F]; |
| } |
| *p-- = '\0'; |
| *p-- = '='; |
| *p-- = '='; |
| return encodedDigest; |
| } |
| |
| AP_DECLARE(char *) ap_md5digest(apr_pool_t *p, apr_file_t *infile) |
| { |
| apr_md5_ctx_t context; |
| unsigned char buf[4096]; /* keep this a multiple of 64 */ |
| apr_size_t nbytes; |
| apr_off_t offset = 0L; |
| |
| apr_md5_init(&context); |
| nbytes = sizeof(buf); |
| while (apr_file_read(infile, buf, &nbytes) == APR_SUCCESS) { |
| apr_md5_update(&context, buf, nbytes); |
| nbytes = sizeof(buf); |
| } |
| apr_file_seek(infile, APR_SET, &offset); |
| return ap_md5contextTo64(p, &context); |
| } |
| |