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852c2ed260
... and only *define* them in the source files that need them.
Use DEFINE_OR_DECLARE which is set appropriately for internal builds
and not non-deprecated builds.
Deprecate stack-of-block
Better documentation
Move some ASN1 struct typedefs to types.h
Update ParseC to handle this. Most of all, ParseC needed to be more
consistent. The handlers are "recursive", in so far that they are called
again and again until they terminate, which depends entirely on what the
"massager" returns. There's a comment at the beginning of ParseC that
explains how that works. {Richard Levtte}
Reviewed-by: Dmitry Belyavskiy <beldmit@gmail.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/10669)
105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/*
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* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/asn1t.h>
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#include <openssl/x509.h>
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#include "crypto/x509.h"
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DEFINE_STACK_OF(X509_ATTRIBUTE)
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/*-
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* X509_REQ_INFO is handled in an unusual way to get round
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* invalid encodings. Some broken certificate requests don't
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* encode the attributes field if it is empty. This is in
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* violation of PKCS#10 but we need to tolerate it. We do
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* this by making the attributes field OPTIONAL then using
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* the callback to initialise it to an empty STACK.
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*
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* This means that the field will be correctly encoded unless
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* we NULL out the field.
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*
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* As a result we no longer need the req_kludge field because
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* the information is now contained in the attributes field:
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* 1. If it is NULL then it's the invalid omission.
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* 2. If it is empty it is the correct encoding.
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* 3. If it is not empty then some attributes are present.
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*
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*/
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static int rinf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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X509_REQ_INFO *rinf = (X509_REQ_INFO *)*pval;
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if (operation == ASN1_OP_NEW_POST) {
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rinf->attributes = sk_X509_ATTRIBUTE_new_null();
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if (!rinf->attributes)
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return 0;
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}
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return 1;
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}
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static int req_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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#ifndef OPENSSL_NO_SM2
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X509_REQ *ret = (X509_REQ *)*pval;
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switch (operation) {
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case ASN1_OP_D2I_PRE:
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ASN1_OCTET_STRING_free(ret->distinguishing_id);
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/* fall thru */
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case ASN1_OP_NEW_POST:
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ret->distinguishing_id = NULL;
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break;
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case ASN1_OP_FREE_POST:
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ASN1_OCTET_STRING_free(ret->distinguishing_id);
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break;
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}
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#endif
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return 1;
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}
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ASN1_SEQUENCE_enc(X509_REQ_INFO, enc, rinf_cb) = {
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ASN1_SIMPLE(X509_REQ_INFO, version, ASN1_INTEGER),
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ASN1_SIMPLE(X509_REQ_INFO, subject, X509_NAME),
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ASN1_SIMPLE(X509_REQ_INFO, pubkey, X509_PUBKEY),
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/* This isn't really OPTIONAL but it gets round invalid
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* encodings
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*/
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ASN1_IMP_SET_OF_OPT(X509_REQ_INFO, attributes, X509_ATTRIBUTE, 0)
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} ASN1_SEQUENCE_END_enc(X509_REQ_INFO, X509_REQ_INFO)
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IMPLEMENT_ASN1_FUNCTIONS(X509_REQ_INFO)
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ASN1_SEQUENCE_ref(X509_REQ, req_cb) = {
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ASN1_EMBED(X509_REQ, req_info, X509_REQ_INFO),
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ASN1_EMBED(X509_REQ, sig_alg, X509_ALGOR),
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ASN1_SIMPLE(X509_REQ, signature, ASN1_BIT_STRING)
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} ASN1_SEQUENCE_END_ref(X509_REQ, X509_REQ)
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IMPLEMENT_ASN1_FUNCTIONS(X509_REQ)
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IMPLEMENT_ASN1_DUP_FUNCTION(X509_REQ)
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void X509_REQ_set0_distinguishing_id(X509_REQ *x, ASN1_OCTET_STRING *d_id)
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{
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ASN1_OCTET_STRING_free(x->distinguishing_id);
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x->distinguishing_id = d_id;
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}
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ASN1_OCTET_STRING *X509_REQ_get0_distinguishing_id(X509_REQ *x)
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{
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return x->distinguishing_id;
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}
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