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-rw-r--r--encoding/apr_encode.c1419
1 files changed, 1419 insertions, 0 deletions
diff --git a/encoding/apr_encode.c b/encoding/apr_encode.c
new file mode 100644
index 000000000000..905185921d91
--- /dev/null
+++ b/encoding/apr_encode.c
@@ -0,0 +1,1419 @@
+/* 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)
+{
+ const char *base;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ int i;
+
+ if (0 == ((flags & APR_ENCODE_BASE64URL))) {
+ base = base64;
+ }
+ else {
+ base = base64url;
+ }
+
+ for (i = 0; i < slen - 2; i += 3) {
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i]) >> 2) & 0x3F)];
+ *bufout++ = base[ENCODE_TO_ASCII((((src[i]) & 0x3) << 4)
+ | ((int)((src[i + 1]) & 0xF0) >> 4))];
+ *bufout++ = base[ENCODE_TO_ASCII((((src[i + 1]) & 0xF) << 2)
+ | ((int)(ENCODE_TO_ASCII(src[i + 2]) & 0xC0) >> 6))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 2]) & 0x3F)];
+ }
+ if (i < slen) {
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i]) >> 2) & 0x3F)];
+ if (i == (slen - 1)) {
+ *bufout++ = base[ENCODE_TO_ASCII((((src[i]) & 0x3) << 4))];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ }
+ }
+ else {
+ *bufout++ = base[ENCODE_TO_ASCII((((src[i]) & 0x3) << 4)
+ | ((int)((src[i + 1]) & 0xF0) >> 4))];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 1]) & 0xF) << 2)];
+ }
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ }
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout++ = '\0';
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ *len = ((slen + 2) / 3 * 4) + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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)
+{
+ const char *base;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ int i;
+
+ if (0 == ((flags & APR_ENCODE_BASE64URL))) {
+ base = base64;
+ }
+ else {
+ base = base64url;
+ }
+
+ for (i = 0; i < slen - 2; i += 3) {
+ *bufout++ = base[(src[i] >> 2) & 0x3F];
+ *bufout++ = base[((src[i] & 0x3) << 4)
+ | ((int)(src[i + 1] & 0xF0) >> 4)];
+ *bufout++ = base[((src[i + 1] & 0xF) << 2)
+ | ((int)(src[i + 2] & 0xC0) >> 6)];
+ *bufout++ = base[src[i + 2] & 0x3F];
+ }
+ if (i < slen) {
+ *bufout++ = base[(src[i] >> 2) & 0x3F];
+ if (i == (slen - 1)) {
+ *bufout++ = base[((src[i] & 0x3) << 4)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ }
+ }
+ else {
+ *bufout++ = base[((src[i] & 0x3) << 4)
+ | ((int)(src[i + 1] & 0xF0) >> 4)];
+ *bufout++ = base[((src[i + 1] & 0xF) << 2)];
+ }
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ }
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout++ = '\0';
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ *len = ((slen + 2) / 3 * 4) + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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;
+
+ switch (apr_encode_base64(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base64(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_encode_base64_binary(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base64_binary(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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)
+{
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count = slen;
+
+ apr_status_t status;
+
+ bufin = (const unsigned char *)src;
+ while (pr2six[*(bufin++)] < 64 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2six[*(bufin++)] > 64 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes > 4) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2six[bufin[0]] << 2
+ | pr2six[bufin[1]] >> 4);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2six[bufin[1]] << 4 | pr2six[bufin[2]] >> 2);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2six[bufin[2]] << 6 | pr2six[bufin[3]]);
+ bufin += 4;
+ nprbytes -= 4;
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+ if (nprbytes > 1) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2six[*bufin] << 2 | pr2six[bufin[1]] >> 4);
+ }
+ if (nprbytes > 2) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2six[bufin[1]] << 4 | pr2six[bufin[2]] >> 2);
+ }
+ if (nprbytes > 3) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2six[bufin[2]] << 6 | pr2six[bufin[3]]);
+ }
+
+ if (len) {
+ *len = bufout - (unsigned char *)dest;
+ }
+
+ *(bufout++) = 0;
+
+ return status;
+ }
+
+ if (len) {
+ *len = (((int)slen + 3) / 4) * 3 + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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)
+{
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count = slen;
+
+ apr_status_t status;
+
+ bufin = (const unsigned char *)src;
+ while (pr2six[*(bufin++)] < 64 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2six[*(bufin++)] > 64 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes > 4) {
+ *(bufout++) = (unsigned char)(pr2six[bufin[0]] << 2
+ | pr2six[bufin[1]] >> 4);
+ *(bufout++) = (unsigned char)(pr2six[bufin[1]] << 4
+ | pr2six[bufin[2]] >> 2);
+ *(bufout++) = (unsigned char)(pr2six[bufin[2]] << 6
+ | pr2six[bufin[3]]);
+ bufin += 4;
+ nprbytes -= 4;
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+ if (nprbytes > 1) {
+ *(bufout++) = (unsigned char)(pr2six[bufin[0]] << 2
+ | pr2six[bufin[1]] >> 4);
+ }
+ if (nprbytes > 2) {
+ *(bufout++) = (unsigned char)(pr2six[bufin[1]] << 4
+ | pr2six[bufin[2]] >> 2);
+ }
+ if (nprbytes > 3) {
+ *(bufout++) = (unsigned char)(pr2six[bufin[2]] << 6
+ | pr2six[bufin[3]]);
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ return status;
+ }
+
+ if (len) {
+ *len = (((int)slen + 3) / 4) * 3;
+ }
+
+ return APR_SUCCESS;
+}
+
+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;
+
+ switch (apr_decode_base64(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ void *cmd = apr_palloc(p, size);
+ apr_decode_base64(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_decode_base64_binary(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ unsigned char *cmd = apr_palloc(p, size + 1);
+ cmd[size] = 0;
+ apr_decode_base64_binary(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ 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)
+{
+ const char *base;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ int i;
+
+ if (!((flags & APR_ENCODE_BASE32HEX))) {
+ base = base32;
+ }
+ else {
+ base = base32hex;
+ }
+
+ for (i = 0; i < slen - 4; i += 5) {
+ *bufout++ = base[ENCODE_TO_ASCII((src[i] >> 3) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i] << 2) & 0x1C)
+ | ((src[i + 1] >> 6) & 0x3))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 1] >> 1) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 1] << 4) & 0x10)
+ | ((src[i + 2] >> 4) & 0xF))];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 2] << 1) & 0x1E)
+ | ((src[i + 3] >> 7) & 0x1))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 3] >> 2) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 3] << 3) & 0x18)
+ | ((src[i + 4] >> 5) & 0x7))];
+ *bufout++ = base[ENCODE_TO_ASCII(src[i + 4] & 0x1F)];
+ }
+ if (i < slen) {
+ *bufout++ = base[ENCODE_TO_ASCII(src[i] >> 3) & 0x1F];
+ if (i == (slen - 1)) {
+ *bufout++ = base[ENCODE_TO_ASCII((src[i] << 2) & 0x1C)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ }
+ }
+ else if (i == (slen - 2)) {
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i] << 2) & 0x1C)
+ | ((src[i + 1] >> 6) & 0x3))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 1] >> 1) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 1] << 4) & 0x10)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ }
+ }
+ else if (i == (slen - 3)) {
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i] << 2) & 0x1C)
+ | ((src[i + 1] >> 6) & 0x3))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 1] >> 1) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 1] << 4) & 0x10)
+ | ((src[i + 2] >> 4) & 0xF))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 2] << 1) & 0x1E)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ }
+ }
+ else {
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i] << 2) & 0x1C)
+ | ((src[i + 1] >> 6) & 0x3))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 1] >> 1) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 1] << 4) & 0x10)
+ | ((src[i + 2] >> 4) & 0xF))];
+ *bufout++ = base[ENCODE_TO_ASCII(((src[i + 2] << 1) & 0x1E)
+ | ((src[i + 3] >> 7) & 0x1))];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 3] >> 2) & 0x1F)];
+ *bufout++ = base[ENCODE_TO_ASCII((src[i + 3] << 3) & 0x18)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ }
+ }
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout++ = '\0';
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ *len = ((slen + 2) / 3 * 4) + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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)
+{
+ const char *base;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ int i;
+
+ if (!((flags & APR_ENCODE_BASE32HEX))) {
+ base = base32;
+ }
+ else {
+ base = base32hex;
+ }
+
+ for (i = 0; i < slen - 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 < slen) {
+ *bufout++ = base[(src[i] >> 3) & 0x1F];
+ if (i == (slen - 1)) {
+ *bufout++ = base[((src[i] << 2) & 0x1C)];
+ if (!(flags & APR_ENCODE_NOPADDING)) {
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ *bufout++ = '=';
+ }
+ }
+ else if (i == (slen - 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 == (slen - 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)
+ | ((int)(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++ = '=';
+ }
+ }
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout++ = '\0';
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ *len = ((slen + 4) / 5 * 8) + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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;
+
+ switch (apr_encode_base32(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base32(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_encode_base32_binary(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base32_binary(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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)
+{
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count = slen;
+
+ const unsigned char *pr2;
+
+ apr_status_t status;
+
+ if ((flags & APR_ENCODE_BASE32HEX)) {
+ pr2 = pr2fivehex;
+ }
+ else {
+ pr2 = pr2five;
+ }
+
+ bufin = (const unsigned char *)src;
+ while (pr2[*(bufin++)] < 32 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2[*(bufin++)] > 32 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes > 8) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[0]] << 3
+ | pr2[bufin[1]] >> 2);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[1]] << 6
+ | pr2[bufin[2]] << 1 | pr2[bufin[3]] >> 4);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[3]] << 4
+ | pr2[bufin[4]] >> 1);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[4]] << 7
+ | pr2[bufin[5]] << 2 | pr2[bufin[6]] >> 3);
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[6]] << 5
+ | pr2[bufin[7]]);
+ bufin += 8;
+ nprbytes -= 8;
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 2) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2[bufin[0]] << 3 | pr2[bufin[1]] >> 2);
+ }
+ if (nprbytes == 3) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 4) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2[bufin[1]] << 6 | pr2[bufin[2]] << 1
+ | pr2[bufin[3]] >> 4);
+ }
+ if (nprbytes >= 5) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[3]] << 4
+ | pr2[bufin[4]] >> 1);
+ }
+ if (nprbytes == 6) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 7) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[4]] << 7
+ | pr2[bufin[5]] << 2 | pr2[bufin[6]] >> 3);
+ }
+ if (nprbytes == 8) {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(pr2[bufin[6]] << 5
+ | pr2[bufin[7]]);
+ }
+
+ if (len) {
+ *len = bufout - (unsigned char *)dest;
+ }
+
+ *(bufout++) = 0;
+
+ return status;
+ }
+
+ if (len) {
+ *len = (((int)slen + 7) / 8) * 5 + 1;
+ }
+
+ return APR_SUCCESS;
+}
+
+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)
+{
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ if (dest) {
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count = slen;
+
+ const unsigned char *pr2;
+
+ apr_status_t status;
+
+ if ((flags & APR_ENCODE_BASE32HEX)) {
+ pr2 = pr2fivehex;
+ }
+ else {
+ pr2 = pr2five;
+ }
+
+ bufin = (const unsigned char *)src;
+ while (pr2[*(bufin++)] < 32 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2[*(bufin++)] > 32 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes > 8) {
+ *(bufout++) = (unsigned char)(pr2[bufin[0]] << 3
+ | pr2[bufin[1]] >> 2);
+ *(bufout++) = (unsigned char)(pr2[bufin[1]] << 6
+ | pr2[bufin[2]] << 1 | pr2[bufin[3]] >> 4);
+ *(bufout++) = (unsigned char)(pr2[bufin[3]] << 4
+ | pr2[bufin[4]] >> 1);
+ *(bufout++) = (unsigned char)(pr2[bufin[4]] << 7
+ | pr2[bufin[5]] << 2 | pr2[bufin[6]] >> 3);
+ *(bufout++) = (unsigned char)(pr2[bufin[6]] << 5
+ | pr2[bufin[7]]);
+ bufin += 8;
+ nprbytes -= 8;
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 2) {
+ *(bufout++) = (unsigned char)(
+ pr2[bufin[0]] << 3 | pr2[bufin[1]] >> 2);
+ }
+ if (nprbytes == 3) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 4) {
+ *(bufout++) = (unsigned char)(
+ pr2[bufin[1]] << 6 | pr2[bufin[2]] << 1
+ | pr2[bufin[3]] >> 4);
+ }
+ if (nprbytes >= 5) {
+ *(bufout++) = (unsigned char)(pr2[bufin[3]] << 4
+ | pr2[bufin[4]] >> 1);
+ }
+ if (nprbytes == 6) {
+ status = APR_BADCH;
+ }
+ if (nprbytes >= 7) {
+ *(bufout++) = (unsigned char)(pr2[bufin[4]] << 7
+ | pr2[bufin[5]] << 2 | pr2[bufin[6]] >> 3);
+ }
+ if (nprbytes == 8) {
+ *(bufout++) = (unsigned char)(pr2[bufin[6]] << 5
+ | pr2[bufin[7]]);
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ return status;
+ }
+
+ if (len) {
+ *len = (((int)slen + 7) / 8) * 5;
+ }
+
+ return APR_SUCCESS;
+}
+
+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;
+
+ switch (apr_decode_base32(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ void *cmd = apr_palloc(p, size);
+ apr_decode_base32(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_decode_base32_binary(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ unsigned char *cmd = apr_palloc(p, size + 1);
+ cmd[size] = 0;
+ apr_decode_base32_binary(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ 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)
+{
+ const char *in = src;
+ apr_size_t size;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ const char *base;
+
+ if ((flags & APR_ENCODE_LOWER)) {
+ base = base16lower;
+ }
+ else {
+ base = base16;
+ }
+
+ for (size = 0; (APR_ENCODE_STRING == slen) ? in[size] : size < slen; size++) {
+ if ((flags & APR_ENCODE_COLON) && size) {
+ *(bufout++) = ':';
+ }
+ *(bufout++) = base[(const unsigned char)(ENCODE_TO_ASCII(in[size])) >> 4];
+ *(bufout++) = base[(const unsigned char)(ENCODE_TO_ASCII(in[size])) & 0xf];
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout = '\0';
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+ if ((flags & APR_ENCODE_COLON) && slen) {
+ *len = slen * 3;
+ }
+ else {
+ *len = slen * 2 + 1;
+ }
+ }
+
+ return APR_SUCCESS;
+}
+
+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)
+{
+ const unsigned char *in = src;
+ apr_size_t size;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (dest) {
+ register char *bufout = dest;
+ const char *base;
+
+ if ((flags & APR_ENCODE_LOWER)) {
+ base = base16lower;
+ }
+ else {
+ base = base16;
+ }
+
+ for (size = 0; size < slen; size++) {
+ if ((flags & APR_ENCODE_COLON) && size) {
+ *(bufout++) = ':';
+ }
+ *(bufout++) = base[in[size] >> 4];
+ *(bufout++) = base[in[size] & 0xf];
+ }
+
+ if (len) {
+ *len = bufout - dest;
+ }
+
+ *bufout = 0;
+
+ return APR_SUCCESS;
+ }
+
+ if (len) {
+ if ((flags & APR_ENCODE_COLON) && slen) {
+ *len = slen * 3;
+ }
+ else {
+ *len = slen * 2 + 1;
+ }
+ }
+
+ return APR_SUCCESS;
+}
+
+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;
+
+ switch (apr_encode_base16(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base16(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_encode_base16_binary(NULL, src, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ char *cmd = apr_palloc(p, size);
+ apr_encode_base16_binary(cmd, src, slen, flags, len);
+ return cmd;
+ }
+ case APR_NOTFOUND:{
+ 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)
+{
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count;
+
+ apr_status_t status;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ count = slen;
+ bufin = (const unsigned char *)src;
+ while (pr2two[*(bufin++)] != 16 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2two[*(bufin++)] > 16 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ if (dest) {
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes >= 2) {
+ if (pr2two[bufin[0]] > 16) {
+ bufin += 1;
+ nprbytes -= 1;
+ }
+ else {
+ *(bufout++) = (unsigned char)ENCODE_TO_NATIVE(
+ pr2two[bufin[0]] << 4 | pr2two[bufin[1]]);
+ bufin += 2;
+ nprbytes -= 2;
+ }
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+
+ if (len) {
+ *len = bufout - (unsigned char *)dest;
+ }
+
+ *(bufout++) = 0;
+
+ return status;
+ }
+
+ else {
+
+ count = 0;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes >= 2) {
+ if (pr2two[bufin[0]] > 16) {
+ bufin += 1;
+ nprbytes -= 1;
+ }
+ else {
+ count++;
+ bufin += 2;
+ nprbytes -= 2;
+ }
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+
+ if (len) {
+ *len = count + 1;
+ }
+
+ 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)
+{
+ register const unsigned char *bufin;
+ register unsigned char *bufout;
+ register apr_size_t nprbytes;
+ register apr_size_t count;
+
+ apr_status_t status;
+
+ if (!src) {
+ return APR_NOTFOUND;
+ }
+
+ if (APR_ENCODE_STRING == slen) {
+ slen = strlen(src);
+ }
+
+ count = slen;
+ bufin = (const unsigned char *)src;
+ while (pr2two[*(bufin++)] != 16 && count)
+ count--;
+ nprbytes = (bufin - (const unsigned char *)src) - 1;
+ while (pr2two[*(bufin++)] > 16 && count)
+ count--;
+
+ status = flags & APR_ENCODE_RELAXED ? APR_SUCCESS :
+ count ? APR_BADCH : APR_SUCCESS;
+
+ if (dest) {
+
+ bufout = (unsigned char *)dest;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes >= 2) {
+ if (pr2two[bufin[0]] > 16) {
+ bufin += 1;
+ nprbytes -= 1;
+ }
+ else {
+ *(bufout++) = (unsigned char)(
+ pr2two[bufin[0]] << 4 | pr2two[bufin[1]]);
+ bufin += 2;
+ nprbytes -= 2;
+ }
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+
+ if (len) {
+ *len = bufout - (unsigned char *)dest;
+ }
+
+ return status;
+ }
+
+ else {
+
+ count = 0;
+ bufin = (const unsigned char *)src;
+
+ while (nprbytes >= 2) {
+ if (pr2two[bufin[0]] > 16) {
+ bufin += 1;
+ nprbytes -= 1;
+ }
+ else {
+ count++;
+ bufin += 2;
+ nprbytes -= 2;
+ }
+ }
+
+ if (nprbytes == 1) {
+ status = APR_BADCH;
+ }
+
+ if (len) {
+ *len = count;
+ }
+
+ 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;
+
+ switch (apr_decode_base16(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ void *cmd = apr_palloc(p, size);
+ apr_decode_base16(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ 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;
+
+ switch (apr_decode_base16_binary(NULL, str, slen, flags, &size)) {
+ case APR_SUCCESS:{
+ unsigned char *cmd = apr_palloc(p, size + 1);
+ cmd[size] = 0;
+ apr_decode_base16_binary(cmd, str, slen, flags, len);
+ return cmd;
+ }
+ case APR_BADCH:
+ case APR_NOTFOUND:{
+ break;
+ }
+ }
+
+ return NULL;
+}