208 lines
7.9 KiB
C
Executable file
208 lines
7.9 KiB
C
Executable file
/* $OpenBSD: asn1_locl.h,v 1.24 2022/03/26 14:47:58 jsing Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 2006.
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include "bytestring.h"
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__BEGIN_HIDDEN_DECLS
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/* Internal ASN1 structures and functions: not for application use */
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ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t);
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void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t);
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/* These are used internally in the ASN1_OBJECT to keep track of
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* whether the names and data need to be free()ed */
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#define ASN1_OBJECT_FLAG_DYNAMIC 0x01 /* internal use */
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#define ASN1_OBJECT_FLAG_CRITICAL 0x02 /* critical x509v3 object id */
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#define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04 /* internal use */
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#define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08 /* internal use */
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struct asn1_object_st {
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const char *sn, *ln;
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int nid;
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int length;
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const unsigned char *data; /* data remains const after init */
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int flags; /* Should we free this one */
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} /* ASN1_OBJECT */;
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/* ASN1 print context structure */
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struct asn1_pctx_st {
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unsigned long flags;
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unsigned long nm_flags;
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unsigned long cert_flags;
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unsigned long oid_flags;
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unsigned long str_flags;
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} /* ASN1_PCTX */;
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/* ASN1 public key method structure */
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struct evp_pkey_asn1_method_st {
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int pkey_id;
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int pkey_base_id;
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unsigned long pkey_flags;
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char *pem_str;
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char *info;
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int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
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int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
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int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
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int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *pctx);
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int (*priv_decode)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf);
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int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
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int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *pctx);
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int (*pkey_size)(const EVP_PKEY *pk);
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int (*pkey_bits)(const EVP_PKEY *pk);
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int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder,
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int derlen);
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int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
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int (*param_missing)(const EVP_PKEY *pk);
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int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
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int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
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int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
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ASN1_PCTX *pctx);
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int (*sig_print)(BIO *out, const X509_ALGOR *sigalg,
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const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx);
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void (*pkey_free)(EVP_PKEY *pkey);
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int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
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/* Legacy functions for old PEM */
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int (*old_priv_decode)(EVP_PKEY *pkey, const unsigned char **pder,
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int derlen);
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int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
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/* Custom ASN1 signature verification */
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int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
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X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey);
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int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
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X509_ALGOR *alg1, X509_ALGOR *alg2, ASN1_BIT_STRING *sig);
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int (*pkey_check)(const EVP_PKEY *pk);
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int (*pkey_public_check)(const EVP_PKEY *pk);
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int (*pkey_param_check)(const EVP_PKEY *pk);
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} /* EVP_PKEY_ASN1_METHOD */;
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/* Method to handle CRL access.
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* In general a CRL could be very large (several Mb) and can consume large
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* amounts of resources if stored in memory by multiple processes.
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* This method allows general CRL operations to be redirected to more
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* efficient callbacks: for example a CRL entry database.
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*/
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#define X509_CRL_METHOD_DYNAMIC 1
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struct x509_crl_method_st {
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int flags;
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int (*crl_init)(X509_CRL *crl);
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int (*crl_free)(X509_CRL *crl);
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int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
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ASN1_INTEGER *ser, X509_NAME *issuer);
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int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);
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};
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int asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it);
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int asn1_set_choice_selector(ASN1_VALUE **pval, int value, const ASN1_ITEM *it);
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ASN1_VALUE ** asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
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const ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, int nullerr);
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int asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it);
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void asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it);
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void asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
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int asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, const ASN1_ITEM *it);
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int asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, const ASN1_ITEM *it);
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int i2d_ASN1_BOOLEAN(int a, unsigned char **pp);
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int d2i_ASN1_BOOLEAN(int *a, const unsigned char **pp, long length);
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/*
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* Unicode codepoint constants
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*/
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#define UNICODE_MAX 0x10FFFF
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#define UNICODE_SURROGATE_MIN 0x00D800
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#define UNICODE_SURROGATE_MAX 0x00DFFF
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#define UNICODE_IS_SURROGATE(x) \
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((x) >= UNICODE_SURROGATE_MIN && (x) <= UNICODE_SURROGATE_MAX)
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int UTF8_getc(const unsigned char *str, int len, unsigned long *val);
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int UTF8_putc(unsigned char *str, int len, unsigned long value);
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int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb);
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int asn1_get_object_cbs(CBS *cbs, int der_mode, uint8_t *out_class,
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int *out_constructed, uint32_t *out_tag_number, int *out_indefinite,
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uint32_t *out_length);
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int asn1_get_primitive(CBS *cbs, int der_mode, uint32_t *out_tag_number,
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CBS *out_content);
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int asn1_tag2charwidth(int tag);
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int i2t_ASN1_OBJECT_internal(const ASN1_OBJECT *aobj, char *buf, int buf_len,
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int no_name);
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ASN1_OBJECT *t2i_ASN1_OBJECT_internal(const char *oid);
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__END_HIDDEN_DECLS
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