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Diffstat (limited to 'thirdparty/openssl/crypto/engine/eng_openssl.c')
| -rw-r--r-- | thirdparty/openssl/crypto/engine/eng_openssl.c | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/engine/eng_openssl.c b/thirdparty/openssl/crypto/engine/eng_openssl.c new file mode 100644 index 0000000000..34b002950e --- /dev/null +++ b/thirdparty/openssl/crypto/engine/eng_openssl.c @@ -0,0 +1,402 @@ +/* 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 |