patch to Vanilla Tomato 1.28

1 files changed, 116 insertions, 0 deletions

diff --git a/release/src/router/matrixssl/src/crypto/peersec/base64.c b/release/src/router/matrixssl/src/crypto/peersec/base64.c
new file mode 100644
index 00000000..603b1f88
--- /dev/null
+++ b/release/src/router/matrixssl/src/crypto/peersec/base64.c
@@ -0,0 +1,116 @@
+/*
+ *	base64.c
+ *	Release $Name: MATRIXSSL_1_8_8_OPEN $
+ *
+ *	Base64 operations
+ */
+/*
+ *	Copyright (c) PeerSec Networks, 2002-2009. All Rights Reserved.
+ *	The latest version of this code is available at http://www.matrixssl.org
+ *
+ *	This software is open source; you can redistribute it and/or modify
+ *	it under the terms of 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.
+ *
+ *	This General Public License does NOT permit incorporating this software 
+ *	into proprietary programs.  If you are unable to comply with the GPL, a 
+ *	commercial license for this software may be purchased from PeerSec Networks
+ *	at http://www.peersec.com
+ *	
+ *	This program is distributed in 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 the GNU General Public License
+ *	along with this program; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *	http://www.gnu.org/copyleft/gpl.html
+ */
+/******************************************************************************/
+
+#include "../cryptoLayer.h"
+
+static const unsigned char map[256] = {
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255,  62, 255, 255, 255,  63,
+ 52,  53,  54,  55,  56,  57,  58,  59,  60,  61, 255, 255,
+255, 254, 255, 255, 255,   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, 255, 255, 255, 255, 255,
+255,  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, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255 };
+
+int32 ps_base64_decode(const unsigned char *in,  uint32 len, 
+					unsigned char *out, uint32 *outlen)
+{
+	unsigned long	t, x, y, z;
+	unsigned char	c;
+	int32				g;
+
+	if (in == NULL || out == NULL || outlen == NULL) {
+		return -1;
+	}
+	g = 3;
+	for (x = y = z = t = 0; x < len; x++) {
+		c = map[in[x]&0xFF];
+		if (c == 255) {
+			continue;
+		}
+/*
+	the final = symbols are read and used to trim the remaining bytes
+ */
+	if (c == 254) {
+		c = 0;
+/*
+		prevent g < 0 which would potentially allow an overflow later
+ */
+		if (--g < 0) {
+			return CRYPT_INVALID_PACKET;
+		}
+	} else if (g != 3) {
+/*
+		we only allow = to be at the end
+ */
+		return CRYPT_INVALID_PACKET;
+	}
+
+		t = (t<<6)|c;
+
+		if (++y == 4) {
+			if (z + g > *outlen) { 
+				return CRYPT_BUFFER_OVERFLOW;
+			}
+			out[z++] = (unsigned char)((t>>16)&255);
+			if (g > 1) {
+				out[z++] = (unsigned char)((t>>8)&255);
+			}
+			if (g > 2) {
+				out[z++] = (unsigned char)(t&255);
+			}
+			y = t = 0;
+		}
+	}
+	if (y != 0) {
+		return -1;
+	}
+	*outlen = z;
+	return 0;
+}
+
+/******************************************************************************/
+