- Updated to new upstream revision.

6 files changed, 1020 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/md4/Makefile.am b/src/libstrongswan/plugins/md4/Makefile.am
new file mode 100644
index 000000000..f984322a6
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/Makefile.am
@@ -0,0 +1,10 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan
+
+AM_CFLAGS = -rdynamic
+
+plugin_LTLIBRARIES = libstrongswan-md4.la
+
+libstrongswan_md4_la_SOURCES = md4_plugin.h md4_plugin.c md4_hasher.c md4_hasher.h
+libstrongswan_md4_la_LDFLAGS = -module
+
diff --git a/src/libstrongswan/plugins/md4/Makefile.in b/src/libstrongswan/plugins/md4/Makefile.in
new file mode 100644
index 000000000..4dbe8a6c4
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/Makefile.in
@@ -0,0 +1,496 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
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diff --git a/src/libstrongswan/plugins/md4/md4_hasher.c b/src/libstrongswan/plugins/md4/md4_hasher.c
new file mode 100644
index 000000000..9053bc68d
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/md4_hasher.c
@@ -0,0 +1,359 @@
+/*
+ * Copyright (C) 2005-2006 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ * Copyright (C) 1990-1992, RSA Data Security, Inc. Created 1990. 
+ * All rights reserved.
+ * 
+ * Derived from the RSA Data Security, Inc. MD4 Message-Digest Algorithm.
+ * Ported to fulfill hasher_t interface.
+ *
+ * This program is free software; 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * $Id: md4_hasher.c 4885 2009-02-19 10:16:45Z andreas $
+ */
+
+#include <string.h>
+
+#include "md4_hasher.h"
+
+/*
+ * Constants for MD4Transform routine.
+ */
+#define S11 3
+#define S12 7
+#define S13 11
+#define S14 19
+#define S21 3
+#define S22 5
+#define S23 9
+#define S24 13
+#define S31 3
+#define S32 9
+#define S33 11
+#define S34 15
+
+static u_int8_t PADDING[64] = {
+  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/*
+ * F, G, H and I are basic MD4 functions.
+ */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+
+/*
+ * ROTATE_LEFT rotates x left n bits.
+ */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG and HH are transformations for rounds 1, 2 and 3
+ * Rotation is separate from addition to prevent recomputation
+ */
+#define FF(a, b, c, d, x, s) { \
+    (a) += F ((b), (c), (d)) + (x); \
+    (a) = ROTATE_LEFT ((a), (s)); \
+  }
+#define GG(a, b, c, d, x, s) { \
+    (a) += G ((b), (c), (d)) + (x) + (u_int32_t)0x5a827999; \
+    (a) = ROTATE_LEFT ((a), (s)); \
+  }
+#define HH(a, b, c, d, x, s) { \
+    (a) += H ((b), (c), (d)) + (x) + (u_int32_t)0x6ed9eba1; \
+    (a) = ROTATE_LEFT ((a), (s)); \
+  }
+
+typedef struct private_md4_hasher_t private_md4_hasher_t;
+
+/**
+ * Private data structure with hasing context.
+ */
+struct private_md4_hasher_t {
+	/**
+	 * Public interface for this hasher.
+	 */
+	md4_hasher_t public;
+	
+	/*
+	 * State of the hasher.
+	 */
+	u_int32_t state[4];
+    u_int32_t count[2];
+    u_int8_t buffer[64];
+};
+
+#if BYTE_ORDER != LITTLE_ENDIAN
+
+/* Encodes input (u_int32_t) into output (u_int8_t). Assumes len is
+ * a multiple of 4.
+ */
+static void Encode (u_int8_t *output, u_int32_t *input, size_t len)
+{
+	size_t i, j;
+
+	for (i = 0, j = 0; j < len; i++, j += 4) 
+	{
+		output[j] = (u_int8_t)(input[i] & 0xff);
+		output[j+1] = (u_int8_t)((input[i] >> 8) & 0xff);
+		output[j+2] = (u_int8_t)((input[i] >> 16) & 0xff);
+		output[j+3] = (u_int8_t)((input[i] >> 24) & 0xff);
+	}
+}
+
+/* Decodes input (u_int8_t) into output (u_int32_t). Assumes len is
+ * a multiple of 4.
+ */
+static void Decode(u_int32_t *output, u_int8_t *input, size_t len)
+{
+	size_t i, j;
+
+	for (i = 0, j = 0; j < len; i++, j += 4)
+	{
+ 		output[i] = ((u_int32_t)input[j]) | (((u_int32_t)input[j+1]) << 8) |
+		(((u_int32_t)input[j+2]) << 16) | (((u_int32_t)input[j+3]) << 24);
+	}
+}
+
+#elif BYTE_ORDER == LITTLE_ENDIAN
+ #define Encode memcpy
+ #define Decode memcpy
+#endif
+
+/*
+ * MD4 basic transformation. Transforms state based on block.
+ */
+static void MD4Transform(u_int32_t state[4], u_int8_t block[64])
+{
+	u_int32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+	Decode(x, block, 64);
+
+  /* Round 1 */
+  FF (a, b, c, d, x[ 0], S11); /* 1 */
+  FF (d, a, b, c, x[ 1], S12); /* 2 */
+  FF (c, d, a, b, x[ 2], S13); /* 3 */
+  FF (b, c, d, a, x[ 3], S14); /* 4 */
+  FF (a, b, c, d, x[ 4], S11); /* 5 */
+  FF (d, a, b, c, x[ 5], S12); /* 6 */
+  FF (c, d, a, b, x[ 6], S13); /* 7 */
+  FF (b, c, d, a, x[ 7], S14); /* 8 */
+  FF (a, b, c, d, x[ 8], S11); /* 9 */
+  FF (d, a, b, c, x[ 9], S12); /* 10 */
+  FF (c, d, a, b, x[10], S13); /* 11 */
+  FF (b, c, d, a, x[11], S14); /* 12 */
+  FF (a, b, c, d, x[12], S11); /* 13 */
+  FF (d, a, b, c, x[13], S12); /* 14 */
+  FF (c, d, a, b, x[14], S13); /* 15 */
+  FF (b, c, d, a, x[15], S14); /* 16 */
+
+  /* Round 2 */
+  GG (a, b, c, d, x[ 0], S21); /* 17 */
+  GG (d, a, b, c, x[ 4], S22); /* 18 */
+  GG (c, d, a, b, x[ 8], S23); /* 19 */
+  GG (b, c, d, a, x[12], S24); /* 20 */
+  GG (a, b, c, d, x[ 1], S21); /* 21 */
+  GG (d, a, b, c, x[ 5], S22); /* 22 */
+  GG (c, d, a, b, x[ 9], S23); /* 23 */
+  GG (b, c, d, a, x[13], S24); /* 24 */
+  GG (a, b, c, d, x[ 2], S21); /* 25 */
+  GG (d, a, b, c, x[ 6], S22); /* 26 */
+  GG (c, d, a, b, x[10], S23); /* 27 */
+  GG (b, c, d, a, x[14], S24); /* 28 */
+  GG (a, b, c, d, x[ 3], S21); /* 29 */
+  GG (d, a, b, c, x[ 7], S22); /* 30 */
+  GG (c, d, a, b, x[11], S23); /* 31 */
+  GG (b, c, d, a, x[15], S24); /* 32 */
+
+  /* Round 3 */
+  HH (a, b, c, d, x[ 0], S31); /* 33 */
+  HH (d, a, b, c, x[ 8], S32); /* 34 */
+  HH (c, d, a, b, x[ 4], S33); /* 35 */
+  HH (b, c, d, a, x[12], S34); /* 36 */
+  HH (a, b, c, d, x[ 2], S31); /* 37 */
+  HH (d, a, b, c, x[10], S32); /* 38 */
+  HH (c, d, a, b, x[ 6], S33); /* 39 */
+  HH (b, c, d, a, x[14], S34); /* 40 */
+  HH (a, b, c, d, x[ 1], S31); /* 41 */
+  HH (d, a, b, c, x[ 9], S32); /* 42 */
+  HH (c, d, a, b, x[ 5], S33); /* 43 */
+  HH (b, c, d, a, x[13], S34); /* 44 */
+  HH (a, b, c, d, x[ 3], S31); /* 45 */
+  HH (d, a, b, c, x[11], S32); /* 46 */
+  HH (c, d, a, b, x[ 7], S33); /* 47 */
+  HH (b, c, d, a, x[15], S34); /* 48 */
+
+  state[0] += a;
+  state[1] += b;
+  state[2] += c;
+  state[3] += d;
+}
+
+/* MD4 block update operation. Continues an MD4 message-digest
+ * operation, processing another message block, and updating the
+ * context.
+ */
+static void MD4Update(private_md4_hasher_t *this, u_int8_t *input, size_t inputLen)
+{
+	u_int32_t i;
+	size_t index, partLen;
+
+	/* Compute number of bytes mod 64 */
+	index = (u_int8_t)((this->count[0] >> 3) & 0x3F);
+
+	/* Update number of bits */
+	if ((this->count[0] += (inputLen << 3)) < (inputLen << 3))
+	{
+		this->count[1]++;
+	}
+	this->count[1] += (inputLen >> 29);
+
+	partLen = 64 - index;
+
+	/* Transform as many times as possible. */
+	if (inputLen >= partLen) 
+	{
+		memcpy(&this->buffer[index], input, partLen);
+		MD4Transform (this->state, this->buffer);
+
+		for (i = partLen; i + 63 < inputLen; i += 64)
+		{
+	    	MD4Transform (this->state, &input[i]);
+		}
+		index = 0;
+	}
+	else
+	{
+		i = 0;
+	}
+
+	/* Buffer remaining input */
+	memcpy(&this->buffer[index], &input[i], inputLen-i);
+}
+
+/* MD4 finalization. Ends an MD4 message-digest operation, writing the
+ * the message digest and zeroizing the context.
+ */
+static void MD4Final (private_md4_hasher_t *this, u_int8_t digest[16])
+{
+	u_int8_t bits[8];
+	size_t index, padLen;
+
+	/* Save number of bits */
+	Encode (bits, this->count, 8);
+
+	/* Pad out to 56 mod 64. */
+	index = (size_t)((this->count[0] >> 3) & 0x3f);
+	padLen = (index < 56) ? (56 - index) : (120 - index);
+	MD4Update (this, PADDING, padLen);
+
+	/* Append length (before padding) */
+	MD4Update (this, bits, 8);
+
+	if (digest != NULL)			/* Bill Simpson's padding */
+	{
+		/* store state in digest */
+		Encode (digest, this->state, 16);
+	}
+}
+
+
+
+/**
+ * Implementation of hasher_t.get_hash.
+ */
+static void get_hash(private_md4_hasher_t *this, chunk_t chunk, u_int8_t *buffer)
+{
+	MD4Update(this, chunk.ptr, chunk.len);
+	if (buffer != NULL)
+	{
+		MD4Final(this, buffer);
+		this->public.hasher_interface.reset(&(this->public.hasher_interface));
+	}
+}
+
+
+/**
+ * Implementation of hasher_t.allocate_hash.
+ */
+static void allocate_hash(private_md4_hasher_t *this, chunk_t chunk, chunk_t *hash)
+{
+	chunk_t allocated_hash;
+	
+	MD4Update(this, chunk.ptr, chunk.len);
+	if (hash != NULL)
+	{
+		allocated_hash.ptr = malloc(HASH_SIZE_MD4);
+		allocated_hash.len = HASH_SIZE_MD4;
+
+		MD4Final(this, allocated_hash.ptr);
+		this->public.hasher_interface.reset(&(this->public.hasher_interface));
+		
+		*hash = allocated_hash;
+	}
+}
+	
+/**
+ * Implementation of hasher_t.get_hash_size.
+ */
+static size_t get_hash_size(private_md4_hasher_t *this)
+{
+	return HASH_SIZE_MD4;
+}
+
+/**
+ * Implementation of hasher_t.reset.
+ */
+static void reset(private_md4_hasher_t *this)
+{
+	this->state[0] = 0x67452301;
+	this->state[1] = 0xefcdab89;
+	this->state[2] = 0x98badcfe;
+	this->state[3] = 0x10325476;
+	this->count[0] = 0;
+	this->count[1] = 0;
+}
+
+/**
+ * Implementation of hasher_t.destroy.
+ */
+static void destroy(private_md4_hasher_t *this)
+{
+	free(this);
+}
+
+/*
+ * Described in header.
+ */
+md4_hasher_t *md4_hasher_create(hash_algorithm_t algo)
+{
+	private_md4_hasher_t *this;
+	
+	if (algo != HASH_MD4)
+	{
+		return NULL;
+	}
+	this = malloc_thing(private_md4_hasher_t);
+	
+	this->public.hasher_interface.get_hash = (void (*) (hasher_t*, chunk_t, u_int8_t*))get_hash;
+	this->public.hasher_interface.allocate_hash = (void (*) (hasher_t*, chunk_t, chunk_t*))allocate_hash;
+	this->public.hasher_interface.get_hash_size = (size_t (*) (hasher_t*))get_hash_size;
+	this->public.hasher_interface.reset = (void (*) (hasher_t*))reset;
+	this->public.hasher_interface.destroy = (void (*) (hasher_t*))destroy;
+	
+	/* initialize */
+	reset(this);
+	
+	return &(this->public);
+}
diff --git a/src/libstrongswan/plugins/md4/md4_hasher.h b/src/libstrongswan/plugins/md4/md4_hasher.h
new file mode 100644
index 000000000..75956fde6
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/md4_hasher.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Copyright (C) 2005 Jan Hutter
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup md4_hasher md4_hasher
+ * @{ @ingroup md4_p
+ */
+
+#ifndef MD4_HASHER_H_
+#define MD4_HASHER_H_
+
+typedef struct md4_hasher_t md4_hasher_t;
+
+#include <crypto/hashers/hasher.h>
+
+/**
+ * Implementation of hasher_t interface using the MD4 algorithm.
+ */
+struct md4_hasher_t {
+	
+	/**
+	 * Generic hasher_t interface for this hasher.
+	 */
+	hasher_t hasher_interface;
+};
+
+/**
+ * Creates a new md4_hasher_t.
+ * 
+ * @param algo		hash algorithm, must be HASH_MD4
+ * @return			md4_hasher_t object, NULL if not supported
+ */
+md4_hasher_t *md4_hasher_create(hash_algorithm_t algo);
+
+#endif /*MD4_HASHER_H_@}*/
diff --git a/src/libstrongswan/plugins/md4/md4_plugin.c b/src/libstrongswan/plugins/md4/md4_plugin.c
new file mode 100644
index 000000000..df77314f7
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/md4_plugin.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ *
+ * $Id: md4_plugin.c 4885 2009-02-19 10:16:45Z andreas $
+ */
+
+#include "md4_plugin.h"
+
+#include <library.h>
+#include "md4_hasher.h"
+
+typedef struct private_md4_plugin_t private_md4_plugin_t;
+
+/**
+ * private data of md4_plugin
+ */
+struct private_md4_plugin_t {
+
+	/**
+	 * public functions
+	 */
+	md4_plugin_t public;
+};
+
+/**
+ * Implementation of md4_plugin_t.destroy
+ */
+static void destroy(private_md4_plugin_t *this)
+{
+	lib->crypto->remove_hasher(lib->crypto,
+							   (hasher_constructor_t)md4_hasher_create);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *plugin_create()
+{
+	private_md4_plugin_t *this = malloc_thing(private_md4_plugin_t);
+	
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+	
+	lib->crypto->add_hasher(lib->crypto, HASH_MD4,
+							(hasher_constructor_t)md4_hasher_create);
+	
+	return &this->public.plugin;
+}
+
diff --git a/src/libstrongswan/plugins/md4/md4_plugin.h b/src/libstrongswan/plugins/md4/md4_plugin.h
new file mode 100644
index 000000000..965bff261
--- /dev/null
+++ b/src/libstrongswan/plugins/md4/md4_plugin.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup md4_p md4
+ * @ingroup plugins
+ *
+ * @defgroup md4_plugin md4_plugin
+ * @{ @ingroup md4_p
+ */
+
+#ifndef MD4_PLUGIN_H_
+#define MD4_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct md4_plugin_t md4_plugin_t;
+
+/**
+ * Plugin implementing the md4 hash algorithm in software.
+ */
+struct md4_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+/**
+ * Create a md4_plugin instance.
+ */
+plugin_t *plugin_create();
+
+#endif /* MD4_PLUGIN_H_ @}*/