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/* $OpenBSD: libcrypto.c,v 1.13 2001/07/13 14:13:38 ho Exp $ */
/* $EOM: libcrypto.c,v 1.14 2000/09/28 12:53:27 niklas Exp $ */
/*
* Copyright (c) 1999, 2000, 2001 Niklas Hallqvist. All rights reserved.
* Copyright (c) 1999, 2000 Angelos D. Keromytis. 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 acknowledgement:
* This product includes software developed by Ericsson Radio Systems.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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 code was written under funding by Ericsson Radio Systems.
*/
#include "sysdep.h"
#include "dyn.h"
#include "libcrypto.h"
void *libcrypto = 0;
#ifdef USE_X509
#ifdef HAVE_DLOPEN
/*
* These prototypes matches SSLeay version 0.9.0b or OpenSSL 0.9.4, if
* you try to load a different version than that, you are on your own.
*/
char *(*lc_ASN1_d2i_bio) (char *(*) (), char *(*) (), BIO *bp,
unsigned char **);
char *(*lc_ASN1_dup) (int (*) (), char *(*) (), char *);
long (*lc_BIO_ctrl) (BIO *bp, int, long, char *);
int (*lc_BIO_free) (BIO *a);
BIO *(*lc_BIO_new) (BIO_METHOD *type);
int (*lc_BIO_write) (BIO *, char *, int);
BIO_METHOD *(*lc_BIO_s_file) (void);
BIO_METHOD *(*lc_BIO_s_mem) (void);
BIGNUM *(*lc_BN_bin2bn) (const unsigned char *, int, BIGNUM *);
int (*lc_BN_num_bits) (const BIGNUM *);
int (*lc_BN_print_fp) (FILE *, BIGNUM *);
char *(*lc_PEM_ASN1_read_bio) (char *(*) (), char *, BIO *, char **,
int (*) ());
void (*lc_RSA_free) (RSA *);
RSA *(*lc_RSA_new) (void);
RSA *(*lc_RSA_generate_key) (int, unsigned long, void (*) (int, int, char *),
char *);
int (*lc_RSA_private_encrypt) (int, unsigned char *, unsigned char *, RSA *,
int);
int (*lc_RSA_public_decrypt) (int, unsigned char *, unsigned char *, RSA *,
int);
int (*lc_RSA_size) (RSA *);
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
void (*lc_OpenSSL_add_all_algorithms) (void);
#else
void (*lc_SSLeay_add_all_algorithms) (void);
#endif
int (*lc_X509_NAME_cmp) (X509_NAME *, X509_NAME *);
void (*lc_X509_STORE_CTX_cleanup) (X509_STORE_CTX *);
void (*lc_X509_OBJECT_free_contents) (X509_OBJECT *);
#if SSLEAY_VERSION_NUMBER >= 0x00904100L
void (*lc_X509_STORE_CTX_init) (X509_STORE_CTX *, X509_STORE *, X509 *,
STACK_OF (X509) *);
#else
void (*lc_X509_STORE_CTX_init) (X509_STORE_CTX *, X509_STORE *, X509 *,
STACK *);
#endif
int (*lc_X509_STORE_add_cert) (X509_STORE *, X509 *);
X509_STORE *(*lc_X509_STORE_new) (void);
void (*lc_X509_STORE_free) (X509_STORE *);
X509 *(*lc_X509_dup) (X509 *);
void (*lc_X509_free) (X509 *);
X509_EXTENSION *(*lc_X509_get_ext) (X509 *, int);
int (*lc_X509_get_ext_by_NID) (X509 *, int, int);
X509_NAME *(*lc_X509_get_issuer_name) (X509 *);
EVP_PKEY *(*lc_X509_get_pubkey) (X509 *);
X509_NAME *(*lc_X509_get_subject_name) (X509 *);
X509 *(*lc_X509_new) (void);
int (*lc_X509_verify) (X509 *, EVP_PKEY *);
int (*lc_X509_verify_cert) (X509_STORE_CTX *);
char *(*lc_X509_verify_cert_error_string) (int);
RSA *(*lc_d2i_RSAPrivateKey) (RSA **, unsigned char **, long);
RSA *(*lc_d2i_RSAPublicKey) (RSA **, unsigned char **, long);
X509 *(*lc_d2i_X509) (X509 **, unsigned char **, long);
char *(*lc_X509_NAME_oneline) (X509_NAME *, char *, int);
int (*lc_i2d_RSAPublicKey) (RSA *, unsigned char **);
int (*lc_i2d_RSAPrivateKey) (RSA *, unsigned char **);
int (*lc_i2d_X509) (X509 *, unsigned char **);
int (*lc_i2d_X509_NAME) (X509_NAME *, unsigned char **);
X509_NAME * (*lc_d2i_X509_NAME) (X509_NAME **, unsigned char **, int);
#if (SSLEAY_VERSION_NUMBER >= 0x00904100L \
&& SSLEAY_VERSION_NUMBER < 0x0090600fL)
void (*lc_sk_X509_free) (STACK_OF (X509) *);
STACK_OF (X509) *(*lc_sk_X509_new_null) ();
#else
void (*lc_sk_free) (STACK *);
STACK *(*lc_sk_new) (int (*) ());
#endif
#if SSLEAY_VERSION_NUMBER >= 0x00904100L
X509 *(*lc_X509_find_by_subject) (STACK_OF (X509) *, X509_NAME *);
#else
X509 *(*lc_X509_find_by_subject) (STACK *, X509_NAME *);
#endif
int (*lc_X509_STORE_get_by_subject) (X509_STORE_CTX *, int, X509_NAME *,
X509_OBJECT *);
#define SYMENTRY(x) { SYM, SYM (x), (void **)&lc_ ## x }
static struct dynload_script libcrypto_script[] = {
{ LOAD, "libc.so", &libcrypto },
{ LOAD, "libcrypto.so", &libcrypto },
SYMENTRY (ASN1_d2i_bio),
SYMENTRY (ASN1_dup),
SYMENTRY (BIO_ctrl),
SYMENTRY (BIO_free),
SYMENTRY (BIO_new),
SYMENTRY (BIO_write),
SYMENTRY (BIO_s_file),
SYMENTRY (BIO_s_mem),
SYMENTRY (BN_print_fp),
SYMENTRY (PEM_ASN1_read_bio),
SYMENTRY (RSA_generate_key),
SYMENTRY (RSA_free),
SYMENTRY (RSA_private_encrypt),
SYMENTRY (RSA_public_decrypt),
SYMENTRY (RSA_size),
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
SYMENTRY (OpenSSL_add_all_algorithms),
#else
SYMENTRY (SSLeay_add_all_algorithms),
#endif
SYMENTRY (X509_NAME_cmp),
SYMENTRY (X509_STORE_CTX_cleanup),
SYMENTRY (X509_STORE_CTX_init),
SYMENTRY (X509_STORE_add_cert),
SYMENTRY (X509_STORE_new),
SYMENTRY (X509_STORE_free),
SYMENTRY (X509_dup),
SYMENTRY (X509_find_by_subject),
SYMENTRY (X509_free),
SYMENTRY (X509_get_ext),
SYMENTRY (X509_get_ext_by_NID),
SYMENTRY (X509_get_issuer_name),
SYMENTRY (X509_get_pubkey),
SYMENTRY (X509_get_subject_name),
SYMENTRY (X509_new),
SYMENTRY (X509_verify),
SYMENTRY (X509_verify_cert),
SYMENTRY (X509_verify_cert_error_string),
SYMENTRY (X509_STORE_get_by_subject),
SYMENTRY (X509_OBJECT_free_contents),
SYMENTRY (X509_NAME_oneline),
SYMENTRY (d2i_RSAPrivateKey),
SYMENTRY (d2i_RSAPublicKey),
SYMENTRY (d2i_X509),
SYMENTRY (i2d_RSAPublicKey),
SYMENTRY (i2d_RSAPrivateKey),
SYMENTRY (i2d_X509),
SYMENTRY (i2d_X509_NAME),
SYMENTRY (d2i_X509_NAME),
#if (SSLEAY_VERSION_NUMBER >= 0x00904100L \
&& SSLEAY_VERSION_NUMBER < 0x0090600fL)
SYMENTRY (sk_X509_free),
SYMENTRY (sk_X509_new_null),
#else
SYMENTRY (sk_free),
SYMENTRY (sk_new),
#endif
{ EOS }
};
#endif
#endif /* USE_X509 */
void
libcrypto_init (void)
{
#ifdef USE_X509
#ifdef HAVE_DLOPEN
dyn_load (libcrypto_script);
#elif !defined (USE_LIBCRYPTO)
return;
#endif
/*
* XXX Do something imaginative with libcrypto here. The problem is if
* the dynload fails libcrypto will be 0 which is good for the macros but
* not the tests for support.
*/
#if defined (USE_LIBCRYPTO)
/* Add all algorithms known by SSL */
#if OPENSSL_VERSION_NUMBER >= 0x00905100L
LC (OpenSSL_add_all_algorithms, ());
#else
LC (SSLeay_add_all_algorithms, ());
#endif
#endif
#endif /* USE_X509 */
}
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