Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/engine/eng_openssl.c

Index: openssl/crypto/engine/eng_openssl.c
diff --git a/openssl/crypto/engine/eng_openssl.c b/openssl/crypto/engine/eng_openssl.c
deleted file mode 100644
index 9abb95cc22bf3d867b6aac47b661916ef6c5c321..0000000000000000000000000000000000000000
--- a/openssl/crypto/engine/eng_openssl.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/* crypto/engine/eng_openssl.c */
-/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
- * project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999-2001 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- * ECDH support in OpenSSL originally developed by 
- * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
- */
-
-
-#include <stdio.h>
-#include <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/engine.h>
-#include <openssl/dso.h>
-#include <openssl/pem.h>
-#include <openssl/evp.h>
-#include <openssl/rand.h>
-#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
-#endif
-#ifndef OPENSSL_NO_DSA
-#include <openssl/dsa.h>
-#endif
-#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
-#endif
-
-/* This testing gunk is implemented (and explained) lower down. It also assumes
- * the application explicitly calls "ENGINE_load_openssl()" because this is no
- * longer automatic in ENGINE_load_builtin_engines(). */
-#define TEST_ENG_OPENSSL_RC4
-#define TEST_ENG_OPENSSL_PKEY
-/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
-#define TEST_ENG_OPENSSL_RC4_P_INIT
-/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
-#define TEST_ENG_OPENSSL_SHA
-/* #define TEST_ENG_OPENSSL_SHA_OTHERS */
-/* #define TEST_ENG_OPENSSL_SHA_P_INIT */
-/* #define TEST_ENG_OPENSSL_SHA_P_UPDATE */
-/* #define TEST_ENG_OPENSSL_SHA_P_FINAL */
-
-/* Now check what of those algorithms are actually enabled */
-#ifdef OPENSSL_NO_RC4
-#undef TEST_ENG_OPENSSL_RC4
-#undef TEST_ENG_OPENSSL_RC4_OTHERS
-#undef TEST_ENG_OPENSSL_RC4_P_INIT
-#undef TEST_ENG_OPENSSL_RC4_P_CIPHER
-#endif
-#if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA0) || defined(OPENSSL_NO_SHA1)
-#undef TEST_ENG_OPENSSL_SHA
-#undef TEST_ENG_OPENSSL_SHA_OTHERS
-#undef TEST_ENG_OPENSSL_SHA_P_INIT
-#undef TEST_ENG_OPENSSL_SHA_P_UPDATE
-#undef TEST_ENG_OPENSSL_SHA_P_FINAL 
-#endif
-
-#ifdef TEST_ENG_OPENSSL_RC4
-static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
-				const int **nids, int nid);
-#endif
-#ifdef TEST_ENG_OPENSSL_SHA
-static int openssl_digests(ENGINE *e, const EVP_MD **digest,
-				const int **nids, int nid);
-#endif
-
-#ifdef TEST_ENG_OPENSSL_PKEY
-static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data);
-#endif
-
-/* The constants used when creating the ENGINE */
-static const char *engine_openssl_id = "openssl";
-static const char *engine_openssl_name = "Software engine support";
-
-/* This internal function is used by ENGINE_openssl() and possibly by the
- * "dynamic" ENGINE support too */
-static int bind_helper(ENGINE *e)
-	{
-	if(!ENGINE_set_id(e, engine_openssl_id)
-			|| !ENGINE_set_name(e, engine_openssl_name)
-#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
-#ifndef OPENSSL_NO_RSA
-			|| !ENGINE_set_RSA(e, RSA_get_default_method())
-#endif
-#ifndef OPENSSL_NO_DSA
-			|| !ENGINE_set_DSA(e, DSA_get_default_method())
-#endif
-#ifndef OPENSSL_NO_ECDH
-			|| !ENGINE_set_ECDH(e, ECDH_OpenSSL())
-#endif
-#ifndef OPENSSL_NO_ECDSA
-			|| !ENGINE_set_ECDSA(e, ECDSA_OpenSSL())
-#endif
-#ifndef OPENSSL_NO_DH
-			|| !ENGINE_set_DH(e, DH_get_default_method())
-#endif
-			|| !ENGINE_set_RAND(e, RAND_SSLeay())
-#ifdef TEST_ENG_OPENSSL_RC4
-			|| !ENGINE_set_ciphers(e, openssl_ciphers)
-#endif
-#ifdef TEST_ENG_OPENSSL_SHA
-			|| !ENGINE_set_digests(e, openssl_digests)
-#endif
-#endif
-#ifdef TEST_ENG_OPENSSL_PKEY
-			|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
-#endif
-			)
-		return 0;
-	/* If we add errors to this ENGINE, ensure the error handling is setup here */
-	/* openssl_load_error_strings(); */
-	return 1;
-	}
-
-static ENGINE *engine_openssl(void)
-	{
-	ENGINE *ret = ENGINE_new();
-	if(!ret)
-		return NULL;
-	if(!bind_helper(ret))
-		{
-		ENGINE_free(ret);
-		return NULL;
-		}
-	return ret;
-	}
-
-void ENGINE_load_openssl(void)
-	{
-	ENGINE *toadd = engine_openssl();
-	if(!toadd) return;
-	ENGINE_add(toadd);
-	/* If the "add" worked, it gets a structural reference. So either way,
-	 * we release our just-created reference. */
-	ENGINE_free(toadd);
-	ERR_clear_error();
-	}
-
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library. */
-#ifdef ENGINE_DYNAMIC_SUPPORT
-static int bind_fn(ENGINE *e, const char *id)
-	{
-	if(id && (strcmp(id, engine_openssl_id) != 0))
-		return 0;
-	if(!bind_helper(e))
-		return 0;
-	return 1;
-	}
-IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
-#endif /* ENGINE_DYNAMIC_SUPPORT */
-
-#ifdef TEST_ENG_OPENSSL_RC4
-/* This section of code compiles an "alternative implementation" of two modes of
- * RC4 into this ENGINE. The result is that EVP_CIPHER operation for "rc4"
- * should under normal circumstances go via this support rather than the default
- * EVP support. There are other symbols to tweak the testing;
- *    TEST_ENC_OPENSSL_RC4_OTHERS - print a one line message to stderr each time
- *        we're asked for a cipher we don't support (should not happen).
- *    TEST_ENG_OPENSSL_RC4_P_INIT - print a one line message to stderr each time
- *        the "init_key" handler is called.
- *    TEST_ENG_OPENSSL_RC4_P_CIPHER - ditto for the "cipher" handler.
- */
-#include <openssl/rc4.h>
-#define TEST_RC4_KEY_SIZE		16
-static int test_cipher_nids[] = {NID_rc4,NID_rc4_40};
-static int test_cipher_nids_number = 2;
-typedef struct {
-	unsigned char key[TEST_RC4_KEY_SIZE];
-	RC4_KEY ks;
-	} TEST_RC4_KEY;
-#define test(ctx) ((TEST_RC4_KEY *)(ctx)->cipher_data)
-static int test_rc4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
-			const unsigned char *iv, int enc)
-	{
-#ifdef TEST_ENG_OPENSSL_RC4_P_INIT
-	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_init_key() called\n");
-#endif
-	memcpy(&test(ctx)->key[0],key,EVP_CIPHER_CTX_key_length(ctx));
-	RC4_set_key(&test(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx),
-		test(ctx)->key);
-	return 1;
-	}
-static int test_rc4_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
-		      const unsigned char *in, size_t inl)
-	{
-#ifdef TEST_ENG_OPENSSL_RC4_P_CIPHER
-	fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) test_cipher() called\n");
-#endif
-	RC4(&test(ctx)->ks,inl,in,out);
-	return 1;
-	}
-static const EVP_CIPHER test_r4_cipher=
-	{
-	NID_rc4,
-	1,TEST_RC4_KEY_SIZE,0,
-	EVP_CIPH_VARIABLE_LENGTH,
-	test_rc4_init_key,
-	test_rc4_cipher,
-	NULL,
-	sizeof(TEST_RC4_KEY),
-	NULL,
-	NULL,
-	NULL,
-	NULL
-	};
-static const EVP_CIPHER test_r4_40_cipher=
-	{
-	NID_rc4_40,
-	1,5 /* 40 bit */,0,
-	EVP_CIPH_VARIABLE_LENGTH,
-	test_rc4_init_key,
-	test_rc4_cipher,
-	NULL,
-	sizeof(TEST_RC4_KEY),
-	NULL, 
-	NULL,
-	NULL,
-	NULL
-	};
-static int openssl_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
-			const int **nids, int nid)
-	{
-	if(!cipher)
-		{
-		/* We are returning a list of supported nids */
-		*nids = test_cipher_nids;
-		return test_cipher_nids_number;
-		}
-	/* We are being asked for a specific cipher */
-	if(nid == NID_rc4)
-		*cipher = &test_r4_cipher;
-	else if(nid == NID_rc4_40)
-		*cipher = &test_r4_40_cipher;
-	else
-		{
-#ifdef TEST_ENG_OPENSSL_RC4_OTHERS
-		fprintf(stderr, "(TEST_ENG_OPENSSL_RC4) returning NULL for "
-				"nid %d\n", nid);
-#endif
-		*cipher = NULL;
-		return 0;
-		}
-	return 1;
-	}
-#endif
-
-#ifdef TEST_ENG_OPENSSL_SHA
-/* Much the same sort of comment as for TEST_ENG_OPENSSL_RC4 */
-#include <openssl/sha.h>
-static int test_digest_nids[] = {NID_sha1};
-static int test_digest_nids_number = 1;
-static int test_sha1_init(EVP_MD_CTX *ctx)
-	{
-#ifdef TEST_ENG_OPENSSL_SHA_P_INIT
-	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_init() called\n");
-#endif
-	return SHA1_Init(ctx->md_data);
-	}
-static int test_sha1_update(EVP_MD_CTX *ctx,const void *data,size_t count)
-	{
-#ifdef TEST_ENG_OPENSSL_SHA_P_UPDATE
-	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_update() called\n");
-#endif
-	return SHA1_Update(ctx->md_data,data,count);
-	}
-static int test_sha1_final(EVP_MD_CTX *ctx,unsigned char *md)
-	{
-#ifdef TEST_ENG_OPENSSL_SHA_P_FINAL
-	fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) test_sha1_final() called\n");
-#endif
-	return SHA1_Final(md,ctx->md_data);
-	}
-static const EVP_MD test_sha_md=
-	{
-	NID_sha1,
-	NID_sha1WithRSAEncryption,
-	SHA_DIGEST_LENGTH,
-	0,
-	test_sha1_init,
-	test_sha1_update,
-	test_sha1_final,
-	NULL,
-	NULL,
-	EVP_PKEY_RSA_method,
-	SHA_CBLOCK,
-	sizeof(EVP_MD *)+sizeof(SHA_CTX),
-	};
-static int openssl_digests(ENGINE *e, const EVP_MD **digest,
-			const int **nids, int nid)
-	{
-	if(!digest)
-		{
-		/* We are returning a list of supported nids */
-		*nids = test_digest_nids;
-		return test_digest_nids_number;
-		}
-	/* We are being asked for a specific digest */
-	if(nid == NID_sha1)
-		*digest = &test_sha_md;
-	else
-		{
-#ifdef TEST_ENG_OPENSSL_SHA_OTHERS
-		fprintf(stderr, "(TEST_ENG_OPENSSL_SHA) returning NULL for "
-				"nid %d\n", nid);
-#endif
-		*digest = NULL;
-		return 0;
-		}
-	return 1;
-	}
-#endif
-
-#ifdef TEST_ENG_OPENSSL_PKEY
-static EVP_PKEY *openssl_load_privkey(ENGINE *eng, const char *key_id,
-	UI_METHOD *ui_method, void *callback_data)
-	{
-	BIO *in;
-	EVP_PKEY *key;
-	fprintf(stderr, "(TEST_ENG_OPENSSL_PKEY)Loading Private key %s\n", key_id);
-	in = BIO_new_file(key_id, "r");
-	if (!in)
-		return NULL;
-	key = PEM_read_bio_PrivateKey(in, NULL, 0, NULL);
-	BIO_free(in);
-	return key;
-	}
-#endif