/* 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) { const char *hex = "0123456789abcdef"; apr_md5_ctx_t my_md5; unsigned char hash[APR_MD5_DIGESTSIZE]; char *r, result[33]; /* (MD5_DIGESTSIZE * 2) + 1 */ int i; /* * 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); for (i = 0, r = result; i < APR_MD5_DIGESTSIZE; i++) { *r++ = hex[hash[i] >> 4]; *r++ = hex[hash[i] & 0xF]; } *r = '\0'; 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); }