mirror of
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e077455e9e
Since OPENSSL_malloc() and friends report ERR_R_MALLOC_FAILURE, and
at least handle the file name and line number they are called from,
there's no need to report ERR_R_MALLOC_FAILURE where they are called
directly, or when SSLfatal() and RLAYERfatal() is used, the reason
`ERR_R_MALLOC_FAILURE` is changed to `ERR_R_CRYPTO_LIB`.
There were a number of places where `ERR_R_MALLOC_FAILURE` was reported
even though it was a function from a different sub-system that was
called. Those places are changed to report ERR_R_{lib}_LIB, where
{lib} is the name of that sub-system.
Some of them are tricky to get right, as we have a lot of functions
that belong in the ASN1 sub-system, and all the `sk_` calls or from
the CRYPTO sub-system.
Some extra adaptation was necessary where there were custom OPENSSL_malloc()
wrappers, and some bugs are fixed alongside these changes.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19301)
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/*
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* Copyright 1995-2021 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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/* We need to use some engine deprecated APIs */
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#define OPENSSL_SUPPRESS_DEPRECATED
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#include <stdio.h>
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#include <time.h>
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#include <sys/types.h>
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#include "internal/cryptlib.h"
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#include <openssl/engine.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/buffer.h>
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#include <openssl/x509.h>
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#include "crypto/x509.h"
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#ifndef OPENSSL_NO_DEPRECATED_3_0
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int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
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unsigned char *md, unsigned int *len)
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{
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int inl;
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unsigned char *str, *p;
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inl = i2d(data, NULL);
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if (inl <= 0) {
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ERR_raise(ERR_LIB_ASN1, ERR_R_INTERNAL_ERROR);
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return 0;
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}
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if ((str = OPENSSL_malloc(inl)) == NULL)
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return 0;
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p = str;
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i2d(data, &p);
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if (!EVP_Digest(str, inl, md, len, type, NULL)) {
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OPENSSL_free(str);
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return 0;
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}
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OPENSSL_free(str);
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return 1;
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}
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#endif
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int ossl_asn1_item_digest_ex(const ASN1_ITEM *it, const EVP_MD *md, void *asn,
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unsigned char *data, unsigned int *len,
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OSSL_LIB_CTX *libctx, const char *propq)
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{
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int i, ret = 0;
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unsigned char *str = NULL;
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EVP_MD *fetched_md = (EVP_MD *)md;
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i = ASN1_item_i2d(asn, &str, it);
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if (i < 0 || str == NULL)
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return 0;
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if (EVP_MD_get0_provider(md) == NULL) {
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#if !defined(OPENSSL_NO_ENGINE)
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ENGINE *tmpeng = ENGINE_get_digest_engine(EVP_MD_get_type(md));
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if (tmpeng != NULL)
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ENGINE_finish(tmpeng);
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else
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#endif
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fetched_md = EVP_MD_fetch(libctx, EVP_MD_get0_name(md), propq);
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}
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if (fetched_md == NULL)
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goto err;
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ret = EVP_Digest(str, i, data, len, fetched_md, NULL);
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err:
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OPENSSL_free(str);
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if (fetched_md != md)
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EVP_MD_free(fetched_md);
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return ret;
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}
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int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *md, void *asn,
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unsigned char *data, unsigned int *len)
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{
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return ossl_asn1_item_digest_ex(it, md, asn, data, len, NULL, NULL);
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}
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