1 files changed, 361 insertions, 0 deletions

diff --git a/src/lib/libcrypto/engine/eng_openssl.c b/src/lib/libcrypto/engine/eng_openssl.c
new file mode 100644
index 0000000000..54579eea2e
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+++ b/src/lib/libcrypto/engine/eng_openssl.c
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+/* 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).
+ *
+ */
+
+
+#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>
+
+/* 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_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, unsigned int 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
+        };
+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
+        };
+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,unsigned long 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