C++ ASN1_OCTET_STRING_free函数代码示例

void X509_PKEY_free(X509_PKEY *x)
{
    int i;

    if (x == NULL)
        return;

    i = CRYPTO_add(&x->references, -1, CRYPTO_LOCK_X509_PKEY);
#ifdef REF_PRINT
    REF_PRINT("X509_PKEY", x);
#endif
    if (i > 0)
        return;
#ifdef REF_CHECK
    if (i < 0) {
        fprintf(stderr, "X509_PKEY_free, bad reference count\n");
        abort();
    }
#endif

    X509_ALGOR_free(x->enc_algor);
    ASN1_OCTET_STRING_free(x->enc_pkey);
    EVP_PKEY_free(x->dec_pkey);
    if (x->key_free)
        OPENSSL_free(x->key_data);
    OPENSSL_free(x);
}

/* Make sure we do the right thing. Add here if you convert ones in tree */
int
main(int argc, char **argv)
{
	ASN1_INTEGER_free(NULL);
	ASN1_OBJECT_free(NULL);
	ASN1_OCTET_STRING_free(NULL);

	BIO_free_all(NULL);

	DIST_POINT_free(NULL);

	EVP_PKEY_free(NULL);

	GENERAL_NAME_free(NULL);
	GENERAL_SUBTREE_free(NULL);

	NAME_CONSTRAINTS_free(NULL);

	sk_GENERAL_NAME_pop_free(NULL, GENERAL_NAME_free);
	sk_X509_NAME_ENTRY_pop_free(NULL, X509_NAME_ENTRY_free);

	X509_NAME_ENTRY_free(NULL);

	printf("PASS\n");

	return (0);
}

ASN1_OCTET_STRING *PKCS12_item_i2d_encrypt(X509_ALGOR *algor,
        const ASN1_ITEM *it,
        const char *pass, int passlen,
        void *obj, int zbuf)
{
    ASN1_OCTET_STRING *oct = NULL;
    unsigned char *in = NULL;
    int inlen;

    if ((oct = ASN1_OCTET_STRING_new()) == NULL) {
        PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, ERR_R_MALLOC_FAILURE);
        goto err;
    }
    inlen = ASN1_item_i2d(obj, &in, it);
    if (!in) {
        PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCODE_ERROR);
        goto err;
    }
    if (!PKCS12_pbe_crypt(algor, pass, passlen, in, inlen, &oct->data,
                          &oct->length, 1)) {
        PKCS12err(PKCS12_F_PKCS12_ITEM_I2D_ENCRYPT, PKCS12_R_ENCRYPT_ERROR);
        OPENSSL_free(in);
        goto err;
    }
    if (zbuf)
        OPENSSL_cleanse(in, inlen);
    OPENSSL_free(in);
    return oct;
err:
    ASN1_OCTET_STRING_free(oct);
    return NULL;
}

static void *
d2i_ocsp_nonce(void *a, const unsigned char **pp, long length)
{
	ASN1_OCTET_STRING *os, **pos;

	pos = a;
	if (pos == NULL || *pos == NULL) {
		os = ASN1_OCTET_STRING_new();
		if (os == NULL)
			goto err;
	} else
		os = *pos;
	if (ASN1_OCTET_STRING_set(os, *pp, length) == 0)
		goto err;

	*pp += length;

	if (pos != NULL)
		*pos = os;
	return os;

err:
	if (pos == NULL || *pos != os)
		ASN1_OCTET_STRING_free(os);
	OCSPerror(ERR_R_MALLOC_FAILURE);
	return NULL;
}

int CMS_set_detached(CMS_ContentInfo *cms, int detached)
	{
	ASN1_OCTET_STRING **pos;
	pos = CMS_get0_content(cms);
	if (!pos)
		return 0;
	if (detached)
		{
		if (*pos)
			{
			ASN1_OCTET_STRING_free(*pos);
			*pos = NULL;
			}
		return 1;
		}
	if (!*pos)
		*pos = ASN1_OCTET_STRING_new();
	if (*pos)
		{
		/* NB: special flag to show content is created and not
		 * read in.
		 */
		(*pos)->flags |= ASN1_STRING_FLAG_CONT;
		return 1;
		}
	CMSerr(CMS_F_CMS_SET_DETACHED, ERR_R_MALLOC_FAILURE);
	return 0;
	}

X509_SIG *PKCS8_set0_pbe(const char *pass, int passlen,
                         PKCS8_PRIV_KEY_INFO *p8inf, X509_ALGOR *pbe)
{
    X509_SIG *p8;
    ASN1_OCTET_STRING *enckey;

    enckey =
        PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS8_PRIV_KEY_INFO),
                                pass, passlen, p8inf, 1);
    if (!enckey) {
        PKCS12err(PKCS12_F_PKCS8_SET0_PBE, PKCS12_R_ENCRYPT_ERROR);
        return NULL;
    }

    p8 = OPENSSL_zalloc(sizeof(*p8));

    if (p8 == NULL) {
        PKCS12err(PKCS12_F_PKCS8_SET0_PBE, ERR_R_MALLOC_FAILURE);
        ASN1_OCTET_STRING_free(enckey);
        return NULL;
    }
    p8->algor = pbe;
    p8->digest = enckey;

    return p8;
}

/* ---------- Public key functions * --------------------------------------*/
static int pub_decode_gost94(EVP_PKEY *pk, X509_PUBKEY *pub)
	{
	X509_ALGOR *palg = NULL;
	const unsigned char *pubkey_buf = NULL;
	unsigned char *databuf;
	ASN1_OBJECT *palgobj = NULL;
	int pub_len,i,j;
	DSA *dsa;
	ASN1_OCTET_STRING *octet= NULL;

	if (!X509_PUBKEY_get0_param(&palgobj,&pubkey_buf,&pub_len,
			&palg, pub)) return 0;
	EVP_PKEY_assign(pk,OBJ_obj2nid(palgobj),NULL);	
	if (!decode_gost_algor_params(pk,palg)) return 0;
	octet = d2i_ASN1_OCTET_STRING(NULL,&pubkey_buf,pub_len);
	if (!octet) 
		{
		GOSTerr(GOST_F_PUB_DECODE_GOST94,ERR_R_MALLOC_FAILURE);
		return 0;
		}	
	databuf = (unsigned char*)OPENSSL_malloc(octet->length);
	for (i=0,j=octet->length-1;i<octet->length;i++,j--)
		{
		databuf[j]=octet->data[i];
		}	
	dsa = (DSA*)EVP_PKEY_get0(pk);
	dsa->pub_key=BN_bin2bn(databuf,octet->length,NULL);
	ASN1_OCTET_STRING_free(octet);
	OPENSSL_free(databuf);
	return 1;

	}

/**
 * @ingroup proxypolicy
 *
 * Sets the policy of the PROXYPOLICY
 *
 * @param proxypolicy the proxy policy to set the policy of
 * @param policy the policy to set it to
 * @param length the length of the policy
 *
 * @return 1 on success, 0 on error
 */
int PROXYPOLICY_set_policy(
    PROXYPOLICY *                       proxypolicy,
    unsigned char *                     policy,
    int                                 length)
{
    if(policy != NULL)
    {
        unsigned char *                 copy = malloc(length);
        memcpy(copy, policy, length);

        if(!proxypolicy->policy)
        {
            proxypolicy->policy = ASN1_OCTET_STRING_new();
        }
        
        ASN1_OCTET_STRING_set(proxypolicy->policy, copy, length);

    }
    else
    {
        if(proxypolicy->policy)
        {
            ASN1_OCTET_STRING_free(proxypolicy->policy);
        }
    }

    return 1;
}

/* For this case, I will malloc the return strings */
static int
get_signed_seq2string(PKCS7_SIGNER_INFO *si, char **str1, char **str2) {
  ASN1_TYPE *so;
#if 0
  if (signed_seq2string_nid == -1)
    signed_seq2string_nid=
      OBJ_create("1.9.9999","OID_example","Our example OID");
  /* To retrieve */
  so=PKCS7_get_signed_attribute(si,signed_seq2string_nid);
  if (so && (so->type == V_ASN1_SEQUENCE))
    {
      ASN1_CTX c;
      ASN1_STRING *s;
      long length;
      ASN1_OCTET_STRING *os1,*os2;
      
      s=so->value.sequence;
      c.p=ASN1_STRING_data(s);
      c.max=c.p+ASN1_STRING_length(s);
      if (!asn1_GetSequence(&c,&length)) GOTO_ERR("") err;
      /* Length is the length of the seqence */
      
      c.q=c.p;
      if ((os1=d2i_ASN1_OCTET_STRING(NULL,&c.p,c.slen)) == NULL) 
	GOTO_ERR("");
      c.slen-=(c.p-c.q);
      
      c.q=c.p;
      if ((os2=d2i_ASN1_OCTET_STRING(NULL,&c.p,c.slen)) == NULL) 
	GOTO_ERR("");
      c.slen-=(c.p-c.q);
      
      if (!asn1_Finish(&c)) GOTO_ERR("") err;
      *str1=Malloc(os1->length+1);
      *str2=Malloc(os2->length+1);
      memcpy(*str1,os1->data,os1->length);
      memcpy(*str2,os2->data,os2->length);
      (*str1)[os1->length]='\0';
      (*str2)[os2->length]='\0';
      ASN1_OCTET_STRING_free(os1);
      ASN1_OCTET_STRING_free(os2);
      return(1);
    }
#endif
 err:
  return(0);
}

static int pub_decode_gost01(EVP_PKEY *pk,X509_PUBKEY *pub)
	{
	X509_ALGOR *palg = NULL;
	const unsigned char *pubkey_buf = NULL;
	unsigned char *databuf;
	ASN1_OBJECT *palgobj = NULL;
	int pub_len,i,j;
	EC_POINT *pub_key;
	BIGNUM *X,*Y;
	ASN1_OCTET_STRING *octet= NULL;
	int len;
	const EC_GROUP *group;

	if (!X509_PUBKEY_get0_param(&palgobj,&pubkey_buf,&pub_len,
			&palg, pub)) return 0;
	EVP_PKEY_assign(pk,OBJ_obj2nid(palgobj),NULL);	
	if (!decode_gost_algor_params(pk,palg)) return 0;
	group = EC_KEY_get0_group(EVP_PKEY_get0(pk));
	octet = d2i_ASN1_OCTET_STRING(NULL,&pubkey_buf,pub_len);
	if (!octet) 
		{
		GOSTerr(GOST_F_PUB_DECODE_GOST01,ERR_R_MALLOC_FAILURE);
		return 0;
		}	
	databuf = OPENSSL_malloc(octet->length);
	for (i=0,j=octet->length-1;i<octet->length;i++,j--)
		{
		databuf[j]=octet->data[i];
		}
	len=octet->length/2;
	ASN1_OCTET_STRING_free(octet);	
	
	Y= getbnfrombuf(databuf,len);
	X= getbnfrombuf(databuf+len,len);
	OPENSSL_free(databuf);
	pub_key = EC_POINT_new(group);
	if (!EC_POINT_set_affine_coordinates_GFp(group
			,pub_key,X,Y,NULL))
		{
		GOSTerr(GOST_F_PUB_DECODE_GOST01,
			ERR_R_EC_LIB);
		EC_POINT_free(pub_key);
		BN_free(X);
		BN_free(Y);
		return 0;
		}	
	BN_free(X);
	BN_free(Y);
	if (!EC_KEY_set_public_key(EVP_PKEY_get0(pk),pub_key))
		{
		GOSTerr(GOST_F_PUB_DECODE_GOST01,
			ERR_R_EC_LIB);
		EC_POINT_free(pub_key);
		return 0;
		}	
	EC_POINT_free(pub_key);
	return 1;

	}

static size_t
get_extension_by_object (X509 *x509, ASN1_OBJECT *obj, char **output)
{
	int pos = X509_get_ext_by_OBJ (x509, obj, -1);
	if (pos < 0) {
		return 0;
	}
	X509_EXTENSION *ext = X509_get_ext (x509, pos);

	int tag;
	long len;
	int tc;
	const unsigned char *p = ext->value->data;

	ASN1_get_object (&p, &len, &tag, &tc, ext->value->length);

	size_t size;
	switch (tag) {
		case V_ASN1_UTF8STRING:
			{
				ASN1_UTF8STRING *str =
					ASN1_item_unpack (ext->value,
							  ASN1_ITEM_rptr
							  (ASN1_UTF8STRING));
				*output = strndup ((const char *)
						   ASN1_STRING_data (str),
						   str->length);
				size = str->length;
				ASN1_UTF8STRING_free (str);
				return size;
			}
		case V_ASN1_OCTET_STRING:
			{
				ASN1_OCTET_STRING *octstr =
					ASN1_item_unpack (ext->value,
							  ASN1_ITEM_rptr
							  (ASN1_OCTET_STRING));
				*output = malloc (octstr->length);
				memcpy (*output, octstr->data, octstr->length);
				size = octstr->length;
				ASN1_OCTET_STRING_free (octstr);
				return size;
			}
		default:
			{
				BIO *bio = BIO_new (BIO_s_mem ());
				X509V3_EXT_print (bio, ext, 0, 0);

				size_t size = BIO_ctrl_pending (bio);
				char *buf = malloc (sizeof (char) * size);
				BIO_read (bio, buf, size);
				*output = buf;
				BIO_free (bio);
				return size;
			}
	}
}

static void hmac_key_free(EVP_PKEY *pkey)
{
    ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
    if (os) {
        if (os->data)
            OPENSSL_cleanse(os->data, os->length);
        ASN1_OCTET_STRING_free(os);
    }
}

static void hmac_key_free(EVP_PKEY *pkey)
{
    ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr;
    if (os) {
        if (os->data)
            vigortls_zeroize(os->data, os->length);
        ASN1_OCTET_STRING_free(os);
    }
}

static void hmac_key_free(EVP_PKEY *pkey)
{
    ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);
    if (os) {
        if (os->data)
            OPENSSL_cleanse(os->data, os->length);
        ASN1_OCTET_STRING_free(os);
    }
}

static void siphash_key_free(EVP_PKEY *pkey)
{
    ASN1_OCTET_STRING *os = EVP_PKEY_get0(pkey);

    if (os != NULL) {
        if (os->data != NULL)
            OPENSSL_cleanse(os->data, os->length);
        ASN1_OCTET_STRING_free(os);
    }
}