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authorBjørn Lindeijer <bjorn@lindeijer.nl>2005-07-25 00:19:33 +0000
committerBjørn Lindeijer <bjorn@lindeijer.nl>2005-07-25 00:19:33 +0000
commitcf471fa3f8b7aec3d44db4515536c78098a6011a (patch)
tree7a876b4cd15b4ab2a0b2f133fb1cfccfbee725d9 /src/utils/base64.cpp
parentb54666222ca5020438aa9151a51a295269b1b319 (diff)
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Added modified Map, MapReader, ResourceManager classes and base64 functions
from client to server. Nothing tested yet, just made sure it still compiled.
Diffstat (limited to 'src/utils/base64.cpp')
-rw-r--r--src/utils/base64.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/src/utils/base64.cpp b/src/utils/base64.cpp
new file mode 100644
index 00000000..e2df07de
--- /dev/null
+++ b/src/utils/base64.cpp
@@ -0,0 +1,152 @@
+/*
+ +----------------------------------------------------------------------+
+ | PHP version 4.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 2.02 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available at through the world-wide-web at |
+ | http://www.php.net/license/2_02.txt. |
+ | If you did not receive a copy of the PHP license and are unable to |
+ | obtain it through the world-wide-web, please send a note to |
+ | license@php.net so we can mail you a copy immediately. |
+ +----------------------------------------------------------------------+
+ | 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 *php_base64_encode(const unsigned char *str, int length, int *ret_length) {
+ const unsigned char *current = str;
+ 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 *php_base64_decode(const unsigned char *str, int length, int *ret_length) {
+ const unsigned char *current = str;
+ int ch, i = 0, j = 0, k;
+ /* this sucks for threaded environments */
+ static short reverse_table[256];
+ static int table_built;
+ unsigned char *result;
+
+ if (++table_built == 1) {
+ char *chp;
+ for(ch = 0; ch < 256; ch++) {
+ chp = strchr(base64_table, ch);
+ if(chp) {
+ reverse_table[ch] = chp - base64_table;
+ } else {
+ reverse_table[ch] = -1;
+ }
+ }
+ }
+
+ 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 = '+';
+
+ ch = reverse_table[ch];
+ if (ch < 0) continue;
+
+ 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;
+}
+