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ruby--ruby/ext/openssl/openssl_missing.c
nahi dad43c29f8 * Fixed wrong check of missing functions. Patch by Adrian Quark. 
ref #3400
          The patch contains following comment:
            This patch should avoid unnecessary incompatibility with future
            versions of Openssl.  Changes suggested by bmaher_at_amazon.com.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-09-06 02:08:30 +00:00

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/*
* $Id$
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licenced under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include RUBY_EXTCONF_H
#if defined(HAVE_OPENSSL_ENGINE_H) && defined(HAVE_ST_ENGINE)
# include <openssl/engine.h>
#endif
#include <openssl/x509_vfy.h>
#if !defined(OPENSSL_NO_HMAC)
#include <string.h> /* memcpy() */
#include <openssl/hmac.h>
#include "openssl_missing.h"
#if !defined(HAVE_HMAC_CTX_COPY)
void
HMAC_CTX_copy(HMAC_CTX *out, HMAC_CTX *in)
{
if (!out || !in) return;
memcpy(out, in, sizeof(HMAC_CTX));
EVP_MD_CTX_copy(&out->md_ctx, &in->md_ctx);
EVP_MD_CTX_copy(&out->i_ctx, &in->i_ctx);
EVP_MD_CTX_copy(&out->o_ctx, &in->o_ctx);
}
#endif /* HAVE_HMAC_CTX_COPY */
#endif /* NO_HMAC */
#if !defined(HAVE_X509_STORE_SET_EX_DATA)
int X509_STORE_set_ex_data(X509_STORE *str, int idx, void *data)
{
return CRYPTO_set_ex_data(&str->ex_data, idx, data);
}
#endif
#if !defined(HAVE_X509_STORE_GET_EX_DATA)
void *X509_STORE_get_ex_data(X509_STORE *str, int idx)
{
return CRYPTO_get_ex_data(&str->ex_data, idx);
}
#endif
#if !defined(HAVE_EVP_MD_CTX_CREATE)
EVP_MD_CTX *
EVP_MD_CTX_create(void)
{
EVP_MD_CTX *ctx = OPENSSL_malloc(sizeof(EVP_MD_CTX));
if (!ctx) return NULL;
memset(ctx, 0, sizeof(EVP_MD_CTX));
return ctx;
}
#endif
#if !defined(HAVE_EVP_MD_CTX_CLEANUP)
int
EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
{
/* FIXME!!! */
memset(ctx, 0, sizeof(EVP_MD_CTX));
return 1;
}
#endif
#if !defined(HAVE_EVP_MD_CTX_DESTROY)
void
EVP_MD_CTX_destroy(EVP_MD_CTX *ctx)
{
EVP_MD_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
#endif
#if !defined(HAVE_EVP_MD_CTX_INIT)
void
EVP_MD_CTX_init(EVP_MD_CTX *ctx)
{
memset(ctx, 0, sizeof(EVP_MD_CTX));
}
#endif
#if !defined(HAVE_HMAC_CTX_INIT)
void
HMAC_CTX_init(HMAC_CTX *ctx)
{
EVP_MD_CTX_init(&ctx->i_ctx);
EVP_MD_CTX_init(&ctx->o_ctx);
EVP_MD_CTX_init(&ctx->md_ctx);
}
#endif
#if !defined(HAVE_HMAC_CTX_CLEANUP)
void
HMAC_CTX_cleanup(HMAC_CTX *ctx)
{
EVP_MD_CTX_cleanup(&ctx->i_ctx);
EVP_MD_CTX_cleanup(&ctx->o_ctx);
EVP_MD_CTX_cleanup(&ctx->md_ctx);
memset(ctx, 0, sizeof(HMAC_CTX));
}
#endif
#if !defined(HAVE_EVP_CIPHER_CTX_COPY)
/*
* this function does not exist in OpenSSL yet... or ever?.
* a future version may break this function.
* tested on 0.9.7d.
*/
int
EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, EVP_CIPHER_CTX *in)
{
memcpy(out, in, sizeof(EVP_CIPHER_CTX));
#if defined(HAVE_ENGINE_ADD) && defined(HAVE_ST_ENGINE)
if (in->engine) ENGINE_add(out->engine);
if (in->cipher_data) {
out->cipher_data = OPENSSL_malloc(in->cipher->ctx_size);
memcpy(out->cipher_data, in->cipher_data, in->cipher->ctx_size);
}
#endif
return 1;
}
#endif
#if !defined(HAVE_X509_CRL_SET_VERSION)
int
X509_CRL_set_version(X509_CRL *x, long version)
{
if (x == NULL || x->crl == NULL) return 0;
if (x->crl->version == NULL) {
x->crl->version = M_ASN1_INTEGER_new();
if (x->crl->version == NULL) return 0;
}
return ASN1_INTEGER_set(x->crl->version, version);
}
#endif
#if !defined(HAVE_X509_CRL_SET_ISSUER_NAME)
int
X509_CRL_set_issuer_name(X509_CRL *x, X509_NAME *name)
{
if (x == NULL || x->crl == NULL) return 0;
return X509_NAME_set(&x->crl->issuer, name);
}
#endif
#if !defined(HAVE_X509_CRL_SORT)
int
X509_CRL_sort(X509_CRL *c)
{
int i;
X509_REVOKED *r;
/* sort the data so it will be written in serial
* number order */
sk_X509_REVOKED_sort(c->crl->revoked);
for (i=0; i<sk_X509_REVOKED_num(c->crl->revoked); i++) {
r=sk_X509_REVOKED_value(c->crl->revoked, i);
r->sequence=i;
}
return 1;
}
#endif
#if !defined(HAVE_X509_CRL_ADD0_REVOKED)
static int
OSSL_X509_REVOKED_cmp(const X509_REVOKED * const *a, const X509_REVOKED * const *b)
{
return(ASN1_STRING_cmp(
(ASN1_STRING *)(*a)->serialNumber,
(ASN1_STRING *)(*b)->serialNumber));
}
int
X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
{
X509_CRL_INFO *inf;
inf = crl->crl;
if (!inf->revoked)
inf->revoked = sk_X509_REVOKED_new(OSSL_X509_REVOKED_cmp);
if (!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev))
return 0;
return 1;
}
#endif
#if !defined(HAVE_BN_MOD_SQR)
int
BN_mod_sqr(BIGNUM *r, const BIGNUM *a, const BIGNUM *m, BN_CTX *ctx)
{
if (!BN_sqr(r, (BIGNUM*)a, ctx)) return 0;
return BN_mod(r, r, m, ctx);
}
#endif
#if !defined(HAVE_BN_MOD_ADD) || !defined(HAVE_BN_MOD_SUB)
int BN_nnmod(BIGNUM *r, const BIGNUM *m, const BIGNUM *d, BN_CTX *ctx)
{
if (!BN_mod(r,m,d,ctx)) return 0;
if (!r->neg) return 1;
return (d->neg ? BN_sub : BN_add)(r, r, d);
}
#endif
#if !defined(HAVE_BN_MOD_ADD)
int
BN_mod_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx)
{
if (!BN_add(r, a, b)) return 0;
return BN_nnmod(r, r, m, ctx);
}
#endif
#if !defined(HAVE_BN_MOD_SUB)
int
BN_mod_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, const BIGNUM *m, BN_CTX *ctx)
{
if (!BN_sub(r, a, b)) return 0;
return BN_nnmod(r, r, m, ctx);
}
#endif
#if !defined(HAVE_BN_RAND_RANGE) || !defined(HAVE_BN_PSEUDO_RAND_RANGE)
static int
bn_rand_range(int pseudo, BIGNUM *r, BIGNUM *range)
{
int (*bn_rand)(BIGNUM *, int, int, int) = pseudo ? BN_pseudo_rand : BN_rand;
int n;
if (range->neg || BN_is_zero(range)) return 0;
n = BN_num_bits(range);
if (n == 1) {
if (!BN_zero(r)) return 0;
} else if (!BN_is_bit_set(range, n - 2) && !BN_is_bit_set(range, n - 3)) {
do {
if (!bn_rand(r, n + 1, -1, 0)) return 0;
if (BN_cmp(r ,range) >= 0) {
if (!BN_sub(r, r, range)) return 0;
if (BN_cmp(r, range) >= 0)
if (!BN_sub(r, r, range)) return 0;
}
} while (BN_cmp(r, range) >= 0);
} else {
do {
if (!bn_rand(r, n, -1, 0)) return 0;
} while (BN_cmp(r, range) >= 0);
}
return 1;
}
#endif
#if !defined(HAVE_BN_RAND_RANGE)
int
BN_rand_range(BIGNUM *r, BIGNUM *range)
{
return bn_rand_range(0, r, range);
}
#endif
#if !defined(HAVE_BN_PSEUDO_RAND_RANGE)
int
BN_pseudo_rand_range(BIGNUM *r, BIGNUM *range)
{
return bn_rand_range(1, r, range);
}
#endif
#if !defined(HAVE_CONF_GET1_DEFAULT_CONFIG_FILE)
#define OPENSSL_CONF "openssl.cnf"
char *
CONF_get1_default_config_file(void)
{
char *file;
int len;
file = getenv("OPENSSL_CONF");
if (file) return BUF_strdup(file);
len = strlen(X509_get_default_cert_area());
#ifndef OPENSSL_SYS_VMS
len++;
#endif
len += strlen(OPENSSL_CONF);
file = OPENSSL_malloc(len + 1);
if (!file) return NULL;
strcpy(file,X509_get_default_cert_area());
#ifndef OPENSSL_SYS_VMS
strcat(file,"/");
#endif
strcat(file,OPENSSL_CONF);
return file;
}
#endif
#if !defined(HAVE_PEM_DEF_CALLBACK)
#define OSSL_PASS_MIN_LENGTH 4
int
PEM_def_callback(char *buf, int num, int w, void *key)
{
int i,j;
const char *prompt;
if (key) {
i = strlen(key);
i = (i > num) ? num : i;
memcpy(buf, key, i);
return i;
}
prompt = EVP_get_pw_prompt();
if (prompt == NULL) prompt = "Enter PEM pass phrase:";
for (;;) {
i = EVP_read_pw_string(buf, num, prompt, w);
if (i != 0) {
memset(buf, 0, (unsigned int)num);
return(-1);
}
j = strlen(buf);
if (j < OSSL_PASS_MIN_LENGTH) {
fprintf(stderr,
"phrase is too short, needs to be at least %d chars\n",
OSSL_PASS_MIN_LENGTH);
}
else break;
}
return j;
}
#endif
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