From f8957c58aa1b4f2ea41dcc34e66792e020cd1ee6 Mon Sep 17 00:00:00 2001
From: Bjørn Lindeijer <bjorn@lindeijer.nl>
Date: Tue, 12 Dec 2006 15:18:30 +0000
Subject: Moved base64 module into utils directory.
---
src/utils/base64.cpp | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++
src/utils/base64.h | 37 +++++++++++++
2 files changed, 186 insertions(+)
create mode 100644 src/utils/base64.cpp
create mode 100644 src/utils/base64.h
(limited to 'src/utils')
diff --git a/src/utils/base64.cpp b/src/utils/base64.cpp
new file mode 100644
index 00000000..9a8f6356
--- /dev/null
+++ b/src/utils/base64.cpp
@@ -0,0 +1,149 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP HTML Embedded Scripting Language Version 3.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997-2000 PHP Development Team (See Credits file) |
+ +----------------------------------------------------------------------+
+ | This program is free software; you can redistribute it and/or modify |
+ | it under the terms of one of the following licenses: |
+ | |
+ | A) the GNU General Public License as published by the Free Software |
+ | Foundation; either version 2 of the License, or (at your option) |
+ | any later version. |
+ | |
+ | B) the PHP License as published by the PHP Development Team and |
+ | included in the distribution in the file: LICENSE |
+ | |
+ | This program is distributed in the hope that it will be useful, |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ | GNU General Public License for more details. |
+ | |
+ | You should have received a copy of both licenses referred to here. |
+ | If you did not, or have any questions about PHP licensing, please |
+ | contact core@php.net. |
+ +----------------------------------------------------------------------+
+ | Author: Jim Winstead (jimw@php.net) |
+ +----------------------------------------------------------------------+
+ */
+/* $Id$ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "base64.h"
+
+static char base64_table[] =
+{
+ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+ 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
+ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
+ 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/', '\0'
+};
+static char base64_pad = '=';
+
+unsigned char *php3_base64_encode(const unsigned char *string, int length, int *ret_length) {
+ const unsigned char *current = string;
+ int i = 0;
+ unsigned char *result = (unsigned char *)malloc(((length + 3 - length % 3) * 4 / 3 + 1) * sizeof(char));
+
+ while (length > 2) { /* keep going until we have less than 24 bits */
+ result[i++] = base64_table[current[0] >> 2];
+ result[i++] = base64_table[((current[0] & 0x03) << 4) + (current[1] >> 4)];
+ result[i++] = base64_table[((current[1] & 0x0f) << 2) + (current[2] >> 6)];
+ result[i++] = base64_table[current[2] & 0x3f];
+
+ current += 3;
+ length -= 3; /* we just handle 3 octets of data */
+ }
+
+ /* now deal with the tail end of things */
+ if (length != 0) {
+ result[i++] = base64_table[current[0] >> 2];
+ if (length > 1) {
+ result[i++] = base64_table[((current[0] & 0x03) << 4) + (current[1] >> 4)];
+ result[i++] = base64_table[(current[1] & 0x0f) << 2];
+ result[i++] = base64_pad;
+ }
+ else {
+ result[i++] = base64_table[(current[0] & 0x03) << 4];
+ result[i++] = base64_pad;
+ result[i++] = base64_pad;
+ }
+ }
+ if(ret_length) {
+ *ret_length = i;
+ }
+ result[i] = '\0';
+ return result;
+}
+
+/* as above, but backwards. :) */
+unsigned char *php3_base64_decode(const unsigned char *string, int length, int *ret_length) {
+ const unsigned char *current = string;
+ int ch, i = 0, j = 0, k;
+ char *chp;
+
+ unsigned char *result = (unsigned char *)malloc(length + 1);
+
+ if (result == NULL) {
+ return NULL;
+ }
+
+ /* run through the whole string, converting as we go */
+ while ((ch = *current++) != '\0') {
+ if (ch == base64_pad) break;
+
+ /* When Base64 gets POSTed, all pluses are interpreted as spaces.
+ This line changes them back. It's not exactly the Base64 spec,
+ but it is completely compatible with it (the spec says that
+ spaces are invalid). This will also save many people considerable
+ headache. - Turadg Aleahmad <turadg@wise.berkeley.edu>
+ */
+
+ if (ch == ' ') ch = '+';
+
+ chp = strchr(base64_table, ch);
+ if (chp == NULL) continue;
+ ch = chp - base64_table;
+
+ switch(i % 4) {
+ case 0:
+ result[j] = ch << 2;
+ break;
+ case 1:
+ result[j++] |= ch >> 4;
+ result[j] = (ch & 0x0f) << 4;
+ break;
+ case 2:
+ result[j++] |= ch >>2;
+ result[j] = (ch & 0x03) << 6;
+ break;
+ case 3:
+ result[j++] |= ch;
+ break;
+ }
+ i++;
+ }
+
+ k = j;
+ /* mop things up if we ended on a boundary */
+ if (ch == base64_pad) {
+ switch(i % 4) {
+ case 0:
+ case 1:
+ free(result);
+ return NULL;
+ case 2:
+ k++;
+ case 3:
+ result[k++] = 0;
+ }
+ }
+ if(ret_length) {
+ *ret_length = j;
+ }
+ result[k] = '\0';
+ return result;
+}
diff --git a/src/utils/base64.h b/src/utils/base64.h
new file mode 100644
index 00000000..ff20ac53
--- /dev/null
+++ b/src/utils/base64.h
@@ -0,0 +1,37 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP HTML Embedded Scripting Language Version 3.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997,1998 PHP Development Team (See Credits file) |
+ +----------------------------------------------------------------------+
+ | This program is free software; you can redistribute it and/or modify |
+ | it under the terms of one of the following licenses: |
+ | |
+ | A) the GNU General Public License as published by the Free Software |
+ | Foundation; either version 2 of the License, or (at your option) |
+ | any later version. |
+ | |
+ | B) the PHP License as published by the PHP Development Team and |
+ | included in the distribution in the file: LICENSE |
+ | |
+ | This program is distributed in the hope that it will be useful, |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ | GNU General Public License for more details. |
+ | |
+ | You should have received a copy of both licenses referred to here. |
+ | If you did not, or have any questions about PHP licensing, please |
+ | contact core@php.net. |
+ +----------------------------------------------------------------------+
+ | Author: Jim Winstead (jimw@php.net) |
+ +----------------------------------------------------------------------+
+ */
+/* $Id$ */
+
+#ifndef _TMW_BASE64_H
+#define _TMW_BASE64_H
+
+extern unsigned char *php3_base64_encode(const unsigned char *, int, int *);
+extern unsigned char *php3_base64_decode(const unsigned char *, int, int *);
+
+#endif /* _TMW_BASE64_H */
--
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