| /* 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. |
| */ |
| |
| /* encode/decode functions. |
| * |
| * These functions perform various encoding operations, and are provided in |
| * pairs, a function to query the length of and encode existing buffers, as |
| * well as companion functions to perform the same process to memory |
| * allocated from a pool. |
| * |
| * The API is designed to have the smallest possible RAM footprint, and so |
| * will only allocate the exact amount of RAM needed for each conversion. |
| */ |
| |
| #include "apr_encode.h" |
| #include "apr_lib.h" |
| #include "apr_strings.h" |
| #include "apr_encode_private.h" |
| |
| /* lookup table: fast and const should make it shared text page. */ |
| static const unsigned char pr2six[256] = |
| { |
| #if !APR_CHARSET_EBCDIC |
| /* ASCII table */ |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 62, 64, 63, |
| 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 128, 64, 64, |
| 64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, |
| 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 63, |
| 64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, |
| 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64 |
| #else /* APR_CHARSET_EBCDIC */ |
| /* EBCDIC table */ |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 62, 63, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 63, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 128, 64, |
| 64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 64, 64, 64, 64, 64, 64, |
| 64, 35, 36, 37, 38, 39, 40, 41, 42, 43, 64, 64, 64, 64, 64, 64, |
| 64, 64, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64, 64, |
| 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, |
| 64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 64, 64, 64, 64, 64, 64, |
| 64, 9, 10, 11, 12, 13, 14, 15, 16, 17, 64, 64, 64, 64, 64, 64, |
| 64, 64, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64, 64, |
| 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64 |
| #endif /* APR_CHARSET_EBCDIC */ |
| }; |
| |
| static const unsigned char pr2five[256] = |
| { |
| #if !APR_CHARSET_EBCDIC |
| /* ASCII table */ |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 26, 27, 28, 29, 30, 31, 32, 32, 32, 32, 32, 128, 32, 32, |
| 32, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, |
| 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32 |
| #else /* APR_CHARSET_EBCDIC */ |
| /* EBCDIC table */ |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 128, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 0, 1, 2, 3, 4, 5, 6, 7, 8, 32, 32, 32, 32, 32, 32, |
| 32, 9, 10, 11, 12, 13, 14, 15, 16, 17, 32, 32, 32, 32, 32, 32, |
| 32, 32, 18, 19, 20, 21, 22, 23, 24, 25, 32, 32, 32, 32, 32, 32, |
| 32, 32, 26, 27, 28, 29, 30, 31, 32, 32, 32, 32, 32, 32, 32, 32 |
| #endif /* APR_CHARSET_EBCDIC */ |
| }; |
| |
| static const unsigned char pr2fivehex[256] = |
| { |
| #if !APR_CHARSET_EBCDIC |
| /* ASCII table */ |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 32, 32, 32, 128, 32, 32, |
| 32, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, |
| 25, 26, 27, 28, 29, 30, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32 |
| #else /* APR_CHARSET_EBCDIC */ |
| /* EBCDIC table */ |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 128, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 10, 11, 12, 13, 14, 15, 16, 17, 18, 32, 32, 32, 32, 32, 32, |
| 32, 19, 20, 21, 22, 23, 24, 25, 26, 27, 32, 32, 32, 32, 32, 32, |
| 32, 32, 28, 29, 30, 31, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 32, 32, 32, 32, 32, 32 |
| #endif /* APR_CHARSET_EBCDIC */ |
| }; |
| |
| static const unsigned char pr2two[256] = |
| { |
| #if !APR_CHARSET_EBCDIC |
| /* ASCII table */ |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 32, 16, 16, 16, 16, 16, |
| 16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 |
| #else /* APR_CHARSET_EBCDIC */ |
| /* EBCDIC table */ |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 32, 16, 16, 16, 16, 16, |
| 16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 16, 16, 16, 16, 16, 16 |
| #endif /* APR_CHARSET_EBCDIC */ |
| }; |
| |
| static const char base64[] = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| static const char base64url[] = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_"; |
| |
| static const char base32[] = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"; |
| static const char base32hex[] = |
| "0123456789ABCDEFGHIJKLMNOPQRSTUV"; |
| |
| static const char base16[] = "0123456789ABCDEF"; |
| static const char base16lower[] = "0123456789abcdef"; |
| |
| APR_DECLARE(apr_status_t) apr_encode_base64(char *dest, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| const char *base; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| apr_size_t i = 0; |
| |
| if (0 == ((flags & APR_ENCODE_BASE64URL))) { |
| base = base64; |
| } |
| else { |
| base = base64url; |
| } |
| |
| if (count > 2) { |
| for (; i < count - 2; i += 3) { |
| *bufout++ = base[(TO_ASCII(src[i]) >> 2) & 0x3F]; |
| *bufout++ = base[((TO_ASCII(src[i]) & 0x3) << 4 | |
| (TO_ASCII(src[i + 1]) & 0xF0) >> 4)]; |
| *bufout++ = base[((TO_ASCII(src[i + 1]) & 0xF) << 2 | |
| (TO_ASCII(src[i + 2]) & 0xC0) >> 6)]; |
| *bufout++ = base[TO_ASCII(src[i + 2]) & 0x3F]; |
| } |
| } |
| if (i < count) { |
| *bufout++ = base[(TO_ASCII(src[i]) >> 2) & 0x3F]; |
| if (i == (count - 1)) { |
| *bufout++ = base[(TO_ASCII(src[i]) & 0x3) << 4]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| else { |
| *bufout++ = base[((TO_ASCII(src[i]) & 0x3) << 4 | |
| (TO_ASCII(src[i + 1]) & 0xF0) >> 4)]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) & 0xF) << 2]; |
| } |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = ((count + 2u) / 3u) * 4u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_encode_base64_binary(char *dest, const unsigned char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| const char *base; |
| |
| if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| apr_size_t i = 0; |
| |
| if (0 == ((flags & APR_ENCODE_BASE64URL))) { |
| base = base64; |
| } |
| else { |
| base = base64url; |
| } |
| |
| if (count > 2) { |
| for (; i < count - 2; i += 3) { |
| *bufout++ = base[(src[i] >> 2) & 0x3F]; |
| *bufout++ = base[((src[i] & 0x3) << 4 | |
| (src[i + 1] & 0xF0) >> 4)]; |
| *bufout++ = base[((src[i + 1] & 0xF) << 2 | |
| (src[i + 2] & 0xC0) >> 6)]; |
| *bufout++ = base[src[i + 2] & 0x3F]; |
| } |
| } |
| if (i < count) { |
| *bufout++ = base[(src[i] >> 2) & 0x3F]; |
| if (i == (count - 1)) { |
| *bufout++ = base[((src[i] & 0x3) << 4)]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| else { |
| *bufout++ = base[((src[i] & 0x3) << 4 | |
| (src[i + 1] & 0xF0) >> 4)]; |
| *bufout++ = base[(src[i + 1] & 0xF) << 2]; |
| } |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = ((count + 2u) / 3u) * 4u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base64(apr_pool_t * p, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base64(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base64(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base64_binary(apr_pool_t * p, const unsigned char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base64_binary(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base64_binary(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base64(char *dest, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2six[*bufin] >= 64) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| if (count <= 2) { |
| do { |
| if (pr2six[bufin[count - 1]] <= 64) |
| break; |
| } while (--count); |
| } |
| if (count) { |
| status = APR_BADCH; |
| } |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 4) { |
| *(bufout++) = TO_NATIVE(pr2six[bufin[0]] << 2 | |
| pr2six[bufin[1]] >> 4); |
| *(bufout++) = TO_NATIVE(pr2six[bufin[1]] << 4 | |
| pr2six[bufin[2]] >> 2); |
| *(bufout++) = TO_NATIVE(pr2six[bufin[2]] << 6 | |
| pr2six[bufin[3]]); |
| bufin += 4; |
| count -= 4; |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count > 1) { |
| *(bufout++) = TO_NATIVE(pr2six[bufin[0]] << 2 | |
| pr2six[bufin[1]] >> 4); |
| } |
| if (count > 2) { |
| *(bufout++) = TO_NATIVE(pr2six[bufin[1]] << 4 | |
| pr2six[bufin[2]] >> 2); |
| } |
| |
| dlen = bufout - (unsigned char *)dest; |
| dest[dlen] = '\0'; |
| } |
| } |
| |
| if (!src || !dest) { |
| dlen = (count / 4u) * 3u + 1u; |
| switch (count % 4) { |
| case 3: |
| dlen += 2; |
| break; |
| case 2: |
| dlen++; |
| break; |
| case 1: |
| status = APR_EINCOMPLETE; |
| break; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base64_binary(unsigned char *dest, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2six[*bufin] >= 64) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| if (count <= 2) { |
| do { |
| if (pr2six[bufin[count - 1]] <= 64) |
| break; |
| } while (--count); |
| } |
| if (count) { |
| status = APR_BADCH; |
| } |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 4) { |
| *(bufout++) = (pr2six[bufin[0]] << 2 | |
| pr2six[bufin[1]] >> 4); |
| *(bufout++) = (pr2six[bufin[1]] << 4 | |
| pr2six[bufin[2]] >> 2); |
| *(bufout++) = (pr2six[bufin[2]] << 6 | |
| pr2six[bufin[3]]); |
| bufin += 4; |
| count -= 4; |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count > 1) { |
| *(bufout++) = (pr2six[bufin[0]] << 2 | |
| pr2six[bufin[1]] >> 4); |
| } |
| if (count > 2) { |
| *(bufout++) = (pr2six[bufin[1]] << 4 | |
| pr2six[bufin[2]] >> 2); |
| } |
| |
| dlen = bufout - dest; |
| } |
| } |
| |
| if (!src || !dest) { |
| dlen = (count / 4u) * 3u; |
| switch (count % 4) { |
| case 3: |
| dlen += 2; |
| break; |
| case 2: |
| dlen++; |
| break; |
| case 1: |
| status = APR_EINCOMPLETE; |
| break; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pdecode_base64(apr_pool_t * p, const char *str, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base64(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| void *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_decode_base64(cmd, str, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const unsigned char *)apr_pdecode_base64_binary(apr_pool_t * p, |
| const char *str, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base64_binary(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| unsigned char *cmd = apr_palloc(p, size + 1); |
| if (cmd) { |
| apr_decode_base64_binary(cmd, str, slen, flags, len); |
| cmd[size] = 0; |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_encode_base32(char *dest, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| const char *base; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| apr_size_t i = 0; |
| |
| if (!((flags & APR_ENCODE_BASE32HEX))) { |
| base = base32; |
| } |
| else { |
| base = base32hex; |
| } |
| |
| if (count > 4) { |
| for (; i < count - 4; i += 5) { |
| *bufout++ = base[(TO_ASCII(src[i]) >> 3) & 0x1F]; |
| *bufout++ = base[(((TO_ASCII(src[i]) << 2) & 0x1C) | |
| ((TO_ASCII(src[i + 1]) >> 6) & 0x3))]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) >> 1) & 0x1F]; |
| *bufout++ = base[(((TO_ASCII(src[i + 1]) << 4) & 0x10) | |
| ((TO_ASCII(src[i + 2]) >> 4) & 0xF))]; |
| *bufout++ = base[(((TO_ASCII(src[i + 2]) << 1) & 0x1E) | |
| ((TO_ASCII(src[i + 3]) >> 7) & 0x1))]; |
| *bufout++ = base[(TO_ASCII(src[i + 3]) >> 2) & 0x1F]; |
| *bufout++ = base[(((TO_ASCII(src[i + 3]) << 3) & 0x18) | |
| ((TO_ASCII(src[i + 4]) >> 5) & 0x7))]; |
| *bufout++ = base[TO_ASCII(src[i + 4]) & 0x1F]; |
| } |
| } |
| if (i < count) { |
| *bufout++ = base[(TO_ASCII(src[i]) >> 3) & 0x1F]; |
| if (i == (count - 1)) { |
| *bufout++ = base[(TO_ASCII(src[i]) << 2) & 0x1C]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else if (i == (count - 2)) { |
| *bufout++ = base[(((TO_ASCII(src[i]) << 2) & 0x1C) | |
| ((TO_ASCII(src[i + 1]) >> 6) & 0x3))]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) >> 1) & 0x1F]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) << 4) & 0x10]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else if (i == (count - 3)) { |
| *bufout++ = base[(((TO_ASCII(src[i]) << 2) & 0x1C) | |
| ((TO_ASCII(src[i + 1]) >> 6) & 0x3))]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) >> 1) & 0x1F]; |
| *bufout++ = base[(((TO_ASCII(src[i + 1]) << 4) & 0x10) | |
| ((TO_ASCII(src[i + 2]) >> 4) & 0xF))]; |
| *bufout++ = base[(TO_ASCII(src[i + 2]) << 1) & 0x1E]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else { |
| *bufout++ = base[(((TO_ASCII(src[i]) << 2) & 0x1C) | |
| ((TO_ASCII(src[i + 1]) >> 6) & 0x3))]; |
| *bufout++ = base[(TO_ASCII(src[i + 1]) >> 1) & 0x1F]; |
| *bufout++ = base[(((TO_ASCII(src[i + 1]) << 4) & 0x10) | |
| ((TO_ASCII(src[i + 2]) >> 4) & 0xF))]; |
| *bufout++ = base[(((TO_ASCII(src[i + 2]) << 1) & 0x1E) | |
| ((TO_ASCII(src[i + 3]) >> 7) & 0x1))]; |
| *bufout++ = base[(TO_ASCII(src[i + 3]) >> 2) & 0x1F]; |
| *bufout++ = base[(TO_ASCII(src[i + 3]) << 3) & 0x18]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = ((count + 4u) / 5u) * 8u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_encode_base32_binary(char *dest, const unsigned char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| const char *base; |
| |
| if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| apr_size_t i = 0; |
| |
| if (!((flags & APR_ENCODE_BASE32HEX))) { |
| base = base32; |
| } |
| else { |
| base = base32hex; |
| } |
| |
| if (count > 4) { |
| for (; i < count - 4; i += 5) { |
| *bufout++ = base[((src[i] >> 3) & 0x1F)]; |
| *bufout++ = base[(((src[i] << 2) & 0x1C) | |
| ((src[i + 1] >> 6) & 0x3))]; |
| *bufout++ = base[((src[i + 1] >> 1) & 0x1F)]; |
| *bufout++ = base[(((src[i + 1] << 4) & 0x10) | |
| ((src[i + 2] >> 4) & 0xF))]; |
| *bufout++ = base[(((src[i + 2] << 1) & 0x1E) | |
| ((src[i + 3] >> 7) & 0x1))]; |
| *bufout++ = base[((src[i + 3] >> 2) & 0x1F)]; |
| *bufout++ = base[(((src[i + 3] << 3) & 0x18) | |
| ((src[i + 4] >> 5) & 0x7))]; |
| *bufout++ = base[(src[i + 4] & 0x1F)]; |
| } |
| } |
| if (i < count) { |
| *bufout++ = base[(src[i] >> 3) & 0x1F]; |
| if (i == (count - 1)) { |
| *bufout++ = base[((src[i] << 2) & 0x1C)]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else if (i == (count - 2)) { |
| *bufout++ = base[(((src[i] << 2) & 0x1C) | |
| ((src[i + 1] >> 6) & 0x3))]; |
| *bufout++ = base[((src[i + 1] >> 1) & 0x1F)]; |
| *bufout++ = base[((src[i + 1] << 4) & 0x10)]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else if (i == (count - 3)) { |
| *bufout++ = base[(((src[i] << 2) & 0x1C) | |
| ((src[i + 1] >> 6) & 0x3))]; |
| *bufout++ = base[((src[i + 1] >> 1) & 0x1F)]; |
| *bufout++ = base[(((src[i + 1] << 4) & 0x10) | |
| ((src[i + 2] >> 4) & 0xF))]; |
| *bufout++ = base[((src[i + 2] << 1) & 0x1E)]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| *bufout++ = '='; |
| *bufout++ = '='; |
| } |
| } |
| else { |
| *bufout++ = base[(((src[i] << 2) & 0x1C) | |
| ((src[i + 1] >> 6) & 0x3))]; |
| *bufout++ = base[((src[i + 1] >> 1) & 0x1F)]; |
| *bufout++ = base[(((src[i + 1] << 4) & 0x10) | |
| ((src[i + 2] >> 4) & 0xF))]; |
| *bufout++ = base[(((src[i + 2] << 1) & 0x1E) | |
| ((src[i + 3] >> 7) & 0x1))]; |
| *bufout++ = base[((src[i + 3] >> 2) & 0x1F)]; |
| *bufout++ = base[((src[i + 3] << 3) & 0x18)]; |
| if (!(flags & APR_ENCODE_NOPADDING)) { |
| *bufout++ = '='; |
| } |
| } |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = ((count + 4u) / 5u) * 8u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base32(apr_pool_t * p, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base32(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base32(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base32_binary(apr_pool_t * p, const unsigned char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base32_binary(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base32_binary(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base32(char *dest, const char *src, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| const unsigned char *pr2; |
| |
| if ((flags & APR_ENCODE_BASE32HEX)) { |
| pr2 = pr2fivehex; |
| } |
| else { |
| pr2 = pr2five; |
| } |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2[*bufin] >= 32) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| if (count <= 6) { |
| do { |
| if (pr2[bufin[count - 1]] <= 32) |
| break; |
| } while (--count); |
| } |
| if (count) { |
| status = APR_BADCH; |
| } |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 8) { |
| *(bufout++) = TO_NATIVE(pr2[bufin[0]] << 3 | |
| pr2[bufin[1]] >> 2); |
| *(bufout++) = TO_NATIVE(pr2[bufin[1]] << 6 | |
| pr2[bufin[2]] << 1 | |
| pr2[bufin[3]] >> 4); |
| *(bufout++) = TO_NATIVE(pr2[bufin[3]] << 4 | |
| pr2[bufin[4]] >> 1); |
| *(bufout++) = TO_NATIVE(pr2[bufin[4]] << 7 | |
| pr2[bufin[5]] << 2 | |
| pr2[bufin[6]] >> 3); |
| *(bufout++) = TO_NATIVE(pr2[bufin[6]] << 5 | |
| pr2[bufin[7]]); |
| bufin += 8; |
| count -= 8; |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 2) { |
| *(bufout++) = TO_NATIVE(pr2[bufin[0]] << 3 | |
| pr2[bufin[1]] >> 2); |
| } |
| if (count == 3) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 4) { |
| *(bufout++) = TO_NATIVE(pr2[bufin[1]] << 6 | |
| pr2[bufin[2]] << 1 | |
| pr2[bufin[3]] >> 4); |
| } |
| if (count >= 5) { |
| *(bufout++) = TO_NATIVE(pr2[bufin[3]] << 4 | |
| pr2[bufin[4]] >> 1); |
| } |
| if (count == 6) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 7) { |
| *(bufout++) = TO_NATIVE(pr2[bufin[4]] << 7 | |
| pr2[bufin[5]] << 2 | |
| pr2[bufin[6]] >> 3); |
| } |
| |
| dlen = bufout - (unsigned char *)dest; |
| dest[dlen] = '\0'; |
| } |
| } |
| |
| if (!src || !dest) { |
| dlen = (count / 8u) * 5u + 1u; |
| switch (count % 8) { |
| case 7: |
| dlen += 4; |
| break; |
| case 6: |
| status = APR_EINCOMPLETE; |
| case 5: |
| dlen += 3; |
| break; |
| case 4: |
| dlen += 2; |
| break; |
| case 3: |
| status = APR_EINCOMPLETE; |
| case 2: |
| dlen++; |
| break; |
| case 1: |
| status = APR_EINCOMPLETE; |
| break; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base32_binary(unsigned char *dest, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| const unsigned char *pr2; |
| |
| if ((flags & APR_ENCODE_BASE32HEX)) { |
| pr2 = pr2fivehex; |
| } |
| else { |
| pr2 = pr2five; |
| } |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2[*bufin] >= 32) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| if (count <= 6) { |
| do { |
| if (pr2[bufin[count - 1]] <= 32) |
| break; |
| } while (--count); |
| } |
| if (count) { |
| status = APR_BADCH; |
| } |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 8) { |
| *(bufout++) = (pr2[bufin[0]] << 3 | |
| pr2[bufin[1]] >> 2); |
| *(bufout++) = (pr2[bufin[1]] << 6 | |
| pr2[bufin[2]] << 1 | |
| pr2[bufin[3]] >> 4); |
| *(bufout++) = (pr2[bufin[3]] << 4 | |
| pr2[bufin[4]] >> 1); |
| *(bufout++) = (pr2[bufin[4]] << 7 | |
| pr2[bufin[5]] << 2 | |
| pr2[bufin[6]] >> 3); |
| *(bufout++) = (pr2[bufin[6]] << 5 | |
| pr2[bufin[7]]); |
| bufin += 8; |
| count -= 8; |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 2) { |
| *(bufout++) = (pr2[bufin[0]] << 3 | |
| pr2[bufin[1]] >> 2); |
| } |
| if (count == 3) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 4) { |
| *(bufout++) = (pr2[bufin[1]] << 6 | |
| pr2[bufin[2]] << 1 | |
| pr2[bufin[3]] >> 4); |
| } |
| if (count >= 5) { |
| *(bufout++) = (pr2[bufin[3]] << 4 | |
| pr2[bufin[4]] >> 1); |
| } |
| if (count == 6) { |
| status = APR_EINCOMPLETE; |
| } |
| if (count >= 7) { |
| *(bufout++) = (pr2[bufin[4]] << 7 | |
| pr2[bufin[5]] << 2 | |
| pr2[bufin[6]] >> 3); |
| } |
| |
| dlen = bufout - dest; |
| } |
| } |
| |
| if (!src || !dest) { |
| dlen = (count / 8u) * 5u; |
| switch (count % 8) { |
| case 7: |
| dlen += 4; |
| break; |
| case 6: |
| status = APR_EINCOMPLETE; |
| case 5: |
| dlen += 3; |
| break; |
| case 4: |
| dlen += 2; |
| break; |
| case 3: |
| status = APR_EINCOMPLETE; |
| case 2: |
| dlen++; |
| break; |
| case 1: |
| status = APR_EINCOMPLETE; |
| break; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pdecode_base32(apr_pool_t * p, const char *str, |
| apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base32(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| void *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_decode_base32(cmd, str, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const unsigned char *)apr_pdecode_base32_binary(apr_pool_t * p, |
| const char *str, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base32_binary(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| unsigned char *cmd = apr_palloc(p, size + 1); |
| if (cmd) { |
| apr_decode_base32_binary(cmd, str, slen, flags, len); |
| cmd[size] = 0; |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_encode_base16(char *dest, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| const char *base; |
| apr_size_t i; |
| |
| if ((flags & APR_ENCODE_LOWER)) { |
| base = base16lower; |
| } |
| else { |
| base = base16; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if ((flags & APR_ENCODE_COLON) && i) { |
| *(bufout++) = ':'; |
| } |
| *(bufout++) = base[TO_ASCII(src[i]) >> 4]; |
| *(bufout++) = base[TO_ASCII(src[i]) & 0xf]; |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = count * 2u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| if ((flags & APR_ENCODE_COLON) && count > 1) { |
| apr_size_t more = dlen + count - 1; |
| if (more <= dlen) { |
| status = APR_ENOSPC; |
| } |
| dlen = more; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_encode_base16_binary(char *dest, |
| const unsigned char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (dest) { |
| char *bufout = dest; |
| const char *base; |
| apr_size_t i; |
| |
| if ((flags & APR_ENCODE_LOWER)) { |
| base = base16lower; |
| } |
| else { |
| base = base16; |
| } |
| |
| for (i = 0; i < count; i++) { |
| if ((flags & APR_ENCODE_COLON) && i) { |
| *(bufout++) = ':'; |
| } |
| *(bufout++) = base[src[i] >> 4]; |
| *(bufout++) = base[src[i] & 0xf]; |
| } |
| |
| dlen = bufout - dest; |
| dest[dlen] = '\0'; |
| } |
| else { |
| dlen = count * 2u + 1u; |
| if (dlen <= count) { |
| status = APR_ENOSPC; |
| } |
| if ((flags & APR_ENCODE_COLON) && count > 1) { |
| apr_size_t more = dlen + count - 1; |
| if (more <= dlen) { |
| status = APR_ENOSPC; |
| } |
| dlen = more; |
| } |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base16(apr_pool_t * p, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base16(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base16(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const char *)apr_pencode_base16_binary(apr_pool_t * p, |
| const unsigned char *src, apr_ssize_t slen, int flags, |
| apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!src) { |
| return NULL; |
| } |
| |
| switch (apr_encode_base16_binary(NULL, src, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| char *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_encode_base16_binary(cmd, src, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base16(char *dest, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2two[*bufin] >= 16 |
| && (!(flags & APR_ENCODE_COLON) |
| || pr2two[*bufin] != 32 /* ':' */)) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| status = APR_BADCH; |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 2) { |
| if (pr2two[bufin[0]] == 32 /* ':' */) { |
| bufin += 1; |
| count -= 1; |
| } |
| else { |
| *(bufout++) = TO_NATIVE(pr2two[bufin[0]] << 4 | |
| pr2two[bufin[1]]); |
| bufin += 2; |
| count -= 2; |
| } |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| |
| dlen = bufout - (unsigned char *)dest; |
| dest[dlen] = '\0'; |
| } |
| } |
| |
| if (!src || !dest) { |
| if (flags & APR_ENCODE_COLON) { |
| if (count && (count + 1u) % 3u) { |
| status = APR_EINCOMPLETE; |
| } |
| count -= count / 3u; |
| } |
| if (count % 2u) { |
| status = APR_EINCOMPLETE; |
| } |
| dlen = count / 2u + 1u; |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(apr_status_t) apr_decode_base16_binary(unsigned char *dest, |
| const char *src, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_status_t status = APR_SUCCESS; |
| apr_size_t count = slen, dlen = 0; |
| |
| if (src && slen == APR_ENCODE_STRING) { |
| count = strlen(src); |
| } |
| else if (slen < 0 || (dest && !src)) { |
| return (src) ? APR_EINVAL : APR_NOTFOUND; |
| } |
| |
| if (src) { |
| const unsigned char *bufin; |
| |
| bufin = (const unsigned char *)src; |
| while (count) { |
| if (pr2two[*bufin] >= 16 |
| && (!(flags & APR_ENCODE_COLON) |
| || pr2two[*bufin] != 32 /* ':' */)) { |
| if (!(flags & APR_ENCODE_RELAXED)) { |
| status = APR_BADCH; |
| } |
| break; |
| } |
| count--; |
| bufin++; |
| } |
| count = bufin - (const unsigned char *)src; |
| |
| if (dest) { |
| unsigned char *bufout; |
| |
| bufout = (unsigned char *)dest; |
| bufin = (const unsigned char *)src; |
| |
| while (count >= 2) { |
| if (pr2two[bufin[0]] == 32 /* ':' */) { |
| bufin += 1; |
| count -= 1; |
| } |
| else { |
| *(bufout++) = (pr2two[bufin[0]] << 4 | |
| pr2two[bufin[1]]); |
| bufin += 2; |
| count -= 2; |
| } |
| } |
| |
| if (count == 1) { |
| status = APR_EINCOMPLETE; |
| } |
| |
| dlen = bufout - (unsigned char *)dest; |
| } |
| } |
| |
| if (!src || !dest) { |
| if (flags & APR_ENCODE_COLON) { |
| if (count && (count + 1u) % 3u) { |
| status = APR_EINCOMPLETE; |
| } |
| count -= count / 3u; |
| } |
| if (count % 2u) { |
| status = APR_EINCOMPLETE; |
| } |
| dlen = count / 2u; |
| } |
| |
| if (len) { |
| *len = dlen; |
| } |
| return status; |
| } |
| |
| APR_DECLARE(const char *)apr_pdecode_base16(apr_pool_t * p, |
| const char *str, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base16(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| void *cmd = apr_palloc(p, size); |
| if (cmd) { |
| apr_decode_base16(cmd, str, slen, flags, len); |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| APR_DECLARE(const unsigned char *)apr_pdecode_base16_binary(apr_pool_t * p, |
| const char *str, apr_ssize_t slen, int flags, apr_size_t * len) |
| { |
| apr_size_t size; |
| |
| if (!str) { |
| return NULL; |
| } |
| |
| switch (apr_decode_base16_binary(NULL, str, slen, flags, &size)) { |
| case APR_SUCCESS:{ |
| unsigned char *cmd = apr_palloc(p, size + 1); |
| if (cmd) { |
| apr_decode_base16_binary(cmd, str, slen, flags, len); |
| cmd[size] = 0; |
| } |
| return cmd; |
| } |
| default:{ |
| break; |
| } |
| } |
| |
| return NULL; |
| } |
