mirror of
https://git.proxmox.com/git/efi-boot-shim
synced 2025-06-23 16:12:35 +00:00
1d39ada8cb
OpenSSL changes quite a bit of the key validation, and most of the keys I can find in the wild aren't marked as trusted by the new checker. Intel noticed this too: https://github.com/vathpela/edk2/commit/f536d7c3ed but instead of fixing the compatibility error, they switched their test data to match the bug. So that's pretty broken. For now, I'm reverting OpenSSL 1.1.0e, because we need those certs in the wild to work. This reverts commit513cbe2aea. This reverts commite9cc33d6f2. This reverts commit80d49f758e. This reverts commit9bc647e2b2. This reverts commitae75df6232. This reverts commite883479f35. This reverts commit97469449fd. This reverts commite39692647f. This reverts commit0f3dfc01e2. This reverts commit4da6ac8195. This reverts commitd064bd7eef. This reverts commit9bc86cfd6f. This reverts commitab9a05a10f. Signed-off-by: Peter Jones <pjones@redhat.com>
594 lines
17 KiB
C
594 lines
17 KiB
C
/* tasn_prn.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
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* 2000.
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*/
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/* ====================================================================
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* Copyright (c) 2000,2005 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 <stddef.h>
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#include "cryptlib.h"
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/objects.h>
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#include <openssl/buffer.h>
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#include <openssl/err.h>
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#include <openssl/x509v3.h>
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#include "asn1_locl.h"
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/*
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* Print routines.
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*/
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/* ASN1_PCTX routines */
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ASN1_PCTX default_pctx = {
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ASN1_PCTX_FLAGS_SHOW_ABSENT, /* flags */
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0, /* nm_flags */
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0, /* cert_flags */
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0, /* oid_flags */
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0 /* str_flags */
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};
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ASN1_PCTX *ASN1_PCTX_new(void)
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{
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ASN1_PCTX *ret;
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ret = OPENSSL_malloc(sizeof(ASN1_PCTX));
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if (ret == NULL) {
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ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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ret->flags = 0;
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ret->nm_flags = 0;
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ret->cert_flags = 0;
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ret->oid_flags = 0;
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ret->str_flags = 0;
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return ret;
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}
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void ASN1_PCTX_free(ASN1_PCTX *p)
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{
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OPENSSL_free(p);
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}
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unsigned long ASN1_PCTX_get_flags(ASN1_PCTX *p)
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{
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return p->flags;
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}
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void ASN1_PCTX_set_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->flags = flags;
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}
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unsigned long ASN1_PCTX_get_nm_flags(ASN1_PCTX *p)
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{
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return p->nm_flags;
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}
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void ASN1_PCTX_set_nm_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->nm_flags = flags;
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}
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unsigned long ASN1_PCTX_get_cert_flags(ASN1_PCTX *p)
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{
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return p->cert_flags;
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}
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void ASN1_PCTX_set_cert_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->cert_flags = flags;
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}
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unsigned long ASN1_PCTX_get_oid_flags(ASN1_PCTX *p)
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{
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return p->oid_flags;
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}
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void ASN1_PCTX_set_oid_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->oid_flags = flags;
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}
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unsigned long ASN1_PCTX_get_str_flags(ASN1_PCTX *p)
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{
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return p->str_flags;
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}
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void ASN1_PCTX_set_str_flags(ASN1_PCTX *p, unsigned long flags)
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{
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p->str_flags = flags;
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}
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/* Main print routines */
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static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_ITEM *it,
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const char *fname, const char *sname,
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int nohdr, const ASN1_PCTX *pctx);
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int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx);
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static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
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const ASN1_ITEM *it, int indent,
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const char *fname, const char *sname,
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const ASN1_PCTX *pctx);
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static int asn1_print_fsname(BIO *out, int indent,
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const char *fname, const char *sname,
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const ASN1_PCTX *pctx);
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int ASN1_item_print(BIO *out, ASN1_VALUE *ifld, int indent,
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const ASN1_ITEM *it, const ASN1_PCTX *pctx)
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{
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const char *sname;
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if (pctx == NULL)
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pctx = &default_pctx;
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if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
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sname = NULL;
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else
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sname = it->sname;
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return asn1_item_print_ctx(out, &ifld, indent, it, NULL, sname, 0, pctx);
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}
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static int asn1_item_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_ITEM *it,
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const char *fname, const char *sname,
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int nohdr, const ASN1_PCTX *pctx)
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{
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const ASN1_TEMPLATE *tt;
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const ASN1_EXTERN_FUNCS *ef;
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ASN1_VALUE **tmpfld;
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const ASN1_AUX *aux = it->funcs;
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ASN1_aux_cb *asn1_cb;
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ASN1_PRINT_ARG parg;
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int i;
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if (aux && aux->asn1_cb) {
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parg.out = out;
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parg.indent = indent;
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parg.pctx = pctx;
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asn1_cb = aux->asn1_cb;
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} else
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asn1_cb = 0;
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if (((it->itype != ASN1_ITYPE_PRIMITIVE)
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|| (it->utype != V_ASN1_BOOLEAN)) && *fld == NULL) {
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_ABSENT) {
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if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
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return 0;
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if (BIO_puts(out, "<ABSENT>\n") <= 0)
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return 0;
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}
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return 1;
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}
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switch (it->itype) {
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case ASN1_ITYPE_PRIMITIVE:
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if (it->templates) {
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if (!asn1_template_print_ctx(out, fld, indent,
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it->templates, pctx))
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return 0;
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break;
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}
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/* fall thru */
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case ASN1_ITYPE_MSTRING:
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if (!asn1_primitive_print(out, fld, it, indent, fname, sname, pctx))
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return 0;
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break;
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case ASN1_ITYPE_EXTERN:
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if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
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return 0;
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/* Use new style print routine if possible */
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ef = it->funcs;
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if (ef && ef->asn1_ex_print) {
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i = ef->asn1_ex_print(out, fld, indent, "", pctx);
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if (!i)
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return 0;
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if ((i == 2) && (BIO_puts(out, "\n") <= 0))
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return 0;
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return 1;
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} else if (sname &&
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BIO_printf(out, ":EXTERNAL TYPE %s\n", sname) <= 0)
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return 0;
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break;
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case ASN1_ITYPE_CHOICE:
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#if 0
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if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
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return 0;
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#endif
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/* CHOICE type, get selector */
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i = asn1_get_choice_selector(fld, it);
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/* This should never happen... */
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if ((i < 0) || (i >= it->tcount)) {
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if (BIO_printf(out, "ERROR: selector [%d] invalid\n", i) <= 0)
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return 0;
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return 1;
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}
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tt = it->templates + i;
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tmpfld = asn1_get_field_ptr(fld, tt);
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if (!asn1_template_print_ctx(out, tmpfld, indent, tt, pctx))
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return 0;
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break;
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case ASN1_ITYPE_SEQUENCE:
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case ASN1_ITYPE_NDEF_SEQUENCE:
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if (!nohdr && !asn1_print_fsname(out, indent, fname, sname, pctx))
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return 0;
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if (fname || sname) {
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
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if (BIO_puts(out, " {\n") <= 0)
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return 0;
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} else {
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if (BIO_puts(out, "\n") <= 0)
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return 0;
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}
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}
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if (asn1_cb) {
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i = asn1_cb(ASN1_OP_PRINT_PRE, fld, it, &parg);
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if (i == 0)
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return 0;
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if (i == 2)
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return 1;
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}
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/* Print each field entry */
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for (i = 0, tt = it->templates; i < it->tcount; i++, tt++) {
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const ASN1_TEMPLATE *seqtt;
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seqtt = asn1_do_adb(fld, tt, 1);
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if (!seqtt)
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return 0;
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tmpfld = asn1_get_field_ptr(fld, seqtt);
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if (!asn1_template_print_ctx(out, tmpfld,
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indent + 2, seqtt, pctx))
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return 0;
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}
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
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if (BIO_printf(out, "%*s}\n", indent, "") < 0)
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return 0;
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}
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if (asn1_cb) {
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i = asn1_cb(ASN1_OP_PRINT_POST, fld, it, &parg);
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if (i == 0)
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return 0;
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}
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break;
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default:
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BIO_printf(out, "Unprocessed type %d\n", it->itype);
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return 0;
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}
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return 1;
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}
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int asn1_template_print_ctx(BIO *out, ASN1_VALUE **fld, int indent,
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const ASN1_TEMPLATE *tt, const ASN1_PCTX *pctx)
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{
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int i, flags;
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const char *sname, *fname;
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flags = tt->flags;
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME)
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sname = ASN1_ITEM_ptr(tt->item)->sname;
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else
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sname = NULL;
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if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
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fname = NULL;
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else
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fname = tt->field_name;
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if (flags & ASN1_TFLG_SK_MASK) {
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char *tname;
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ASN1_VALUE *skitem;
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STACK_OF(ASN1_VALUE) *stack;
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/* SET OF, SEQUENCE OF */
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if (fname) {
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SSOF) {
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if (flags & ASN1_TFLG_SET_OF)
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tname = "SET";
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else
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tname = "SEQUENCE";
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if (BIO_printf(out, "%*s%s OF %s {\n",
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indent, "", tname, tt->field_name) <= 0)
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return 0;
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} else if (BIO_printf(out, "%*s%s:\n", indent, "", fname) <= 0)
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return 0;
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}
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stack = (STACK_OF(ASN1_VALUE) *)*fld;
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for (i = 0; i < sk_ASN1_VALUE_num(stack); i++) {
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if ((i > 0) && (BIO_puts(out, "\n") <= 0))
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return 0;
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skitem = sk_ASN1_VALUE_value(stack, i);
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if (!asn1_item_print_ctx(out, &skitem, indent + 2,
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ASN1_ITEM_ptr(tt->item), NULL, NULL, 1,
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pctx))
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return 0;
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}
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if (!i && BIO_printf(out, "%*s<EMPTY>\n", indent + 2, "") <= 0)
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return 0;
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if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_SEQUENCE) {
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if (BIO_printf(out, "%*s}\n", indent, "") <= 0)
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return 0;
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}
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return 1;
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}
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return asn1_item_print_ctx(out, fld, indent, ASN1_ITEM_ptr(tt->item),
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fname, sname, 0, pctx);
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}
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static int asn1_print_fsname(BIO *out, int indent,
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const char *fname, const char *sname,
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const ASN1_PCTX *pctx)
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{
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static char spaces[] = " ";
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const int nspaces = sizeof(spaces) - 1;
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#if 0
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if (!sname && !fname)
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return 1;
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#endif
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while (indent > nspaces) {
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if (BIO_write(out, spaces, nspaces) != nspaces)
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return 0;
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indent -= nspaces;
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}
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if (BIO_write(out, spaces, indent) != indent)
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return 0;
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if (pctx->flags & ASN1_PCTX_FLAGS_NO_STRUCT_NAME)
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sname = NULL;
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if (pctx->flags & ASN1_PCTX_FLAGS_NO_FIELD_NAME)
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fname = NULL;
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if (!sname && !fname)
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return 1;
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if (fname) {
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if (BIO_puts(out, fname) <= 0)
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return 0;
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}
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if (sname) {
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if (fname) {
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if (BIO_printf(out, " (%s)", sname) <= 0)
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return 0;
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} else {
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if (BIO_puts(out, sname) <= 0)
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return 0;
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}
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}
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if (BIO_write(out, ": ", 2) != 2)
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return 0;
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return 1;
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}
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static int asn1_print_boolean_ctx(BIO *out, int boolval,
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const ASN1_PCTX *pctx)
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{
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const char *str;
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switch (boolval) {
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case -1:
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str = "BOOL ABSENT";
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break;
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case 0:
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str = "FALSE";
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break;
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default:
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str = "TRUE";
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break;
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}
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if (BIO_puts(out, str) <= 0)
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return 0;
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return 1;
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}
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static int asn1_print_integer_ctx(BIO *out, ASN1_INTEGER *str,
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const ASN1_PCTX *pctx)
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{
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char *s;
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int ret = 1;
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s = i2s_ASN1_INTEGER(NULL, str);
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if (s == NULL)
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return 0;
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if (BIO_puts(out, s) <= 0)
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ret = 0;
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OPENSSL_free(s);
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return ret;
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}
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static int asn1_print_oid_ctx(BIO *out, const ASN1_OBJECT *oid,
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const ASN1_PCTX *pctx)
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{
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char objbuf[80];
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const char *ln;
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ln = OBJ_nid2ln(OBJ_obj2nid(oid));
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if (!ln)
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ln = "";
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OBJ_obj2txt(objbuf, sizeof objbuf, oid, 1);
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if (BIO_printf(out, "%s (%s)", ln, objbuf) <= 0)
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return 0;
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return 1;
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}
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static int asn1_print_obstring_ctx(BIO *out, ASN1_STRING *str, int indent,
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const ASN1_PCTX *pctx)
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{
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if (str->type == V_ASN1_BIT_STRING) {
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if (BIO_printf(out, " (%ld unused bits)\n", str->flags & 0x7) <= 0)
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return 0;
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} else if (BIO_puts(out, "\n") <= 0)
|
|
return 0;
|
|
if ((str->length > 0)
|
|
&& BIO_dump_indent(out, (char *)str->data, str->length,
|
|
indent + 2) <= 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
static int asn1_primitive_print(BIO *out, ASN1_VALUE **fld,
|
|
const ASN1_ITEM *it, int indent,
|
|
const char *fname, const char *sname,
|
|
const ASN1_PCTX *pctx)
|
|
{
|
|
long utype;
|
|
ASN1_STRING *str;
|
|
int ret = 1, needlf = 1;
|
|
const char *pname;
|
|
const ASN1_PRIMITIVE_FUNCS *pf;
|
|
pf = it->funcs;
|
|
if (!asn1_print_fsname(out, indent, fname, sname, pctx))
|
|
return 0;
|
|
if (pf && pf->prim_print)
|
|
return pf->prim_print(out, fld, it, indent, pctx);
|
|
if (it->itype == ASN1_ITYPE_MSTRING) {
|
|
str = (ASN1_STRING *)*fld;
|
|
utype = str->type & ~V_ASN1_NEG;
|
|
} else {
|
|
utype = it->utype;
|
|
if (utype == V_ASN1_BOOLEAN)
|
|
str = NULL;
|
|
else
|
|
str = (ASN1_STRING *)*fld;
|
|
}
|
|
if (utype == V_ASN1_ANY) {
|
|
ASN1_TYPE *atype = (ASN1_TYPE *)*fld;
|
|
utype = atype->type;
|
|
fld = &atype->value.asn1_value;
|
|
str = (ASN1_STRING *)*fld;
|
|
if (pctx->flags & ASN1_PCTX_FLAGS_NO_ANY_TYPE)
|
|
pname = NULL;
|
|
else
|
|
pname = ASN1_tag2str(utype);
|
|
} else {
|
|
if (pctx->flags & ASN1_PCTX_FLAGS_SHOW_TYPE)
|
|
pname = ASN1_tag2str(utype);
|
|
else
|
|
pname = NULL;
|
|
}
|
|
|
|
if (utype == V_ASN1_NULL) {
|
|
if (BIO_puts(out, "NULL\n") <= 0)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
if (pname) {
|
|
if (BIO_puts(out, pname) <= 0)
|
|
return 0;
|
|
if (BIO_puts(out, ":") <= 0)
|
|
return 0;
|
|
}
|
|
|
|
switch (utype) {
|
|
case V_ASN1_BOOLEAN:
|
|
{
|
|
int boolval = *(int *)fld;
|
|
if (boolval == -1)
|
|
boolval = it->size;
|
|
ret = asn1_print_boolean_ctx(out, boolval, pctx);
|
|
}
|
|
break;
|
|
|
|
case V_ASN1_INTEGER:
|
|
case V_ASN1_ENUMERATED:
|
|
ret = asn1_print_integer_ctx(out, str, pctx);
|
|
break;
|
|
|
|
case V_ASN1_UTCTIME:
|
|
ret = ASN1_UTCTIME_print(out, str);
|
|
break;
|
|
|
|
case V_ASN1_GENERALIZEDTIME:
|
|
ret = ASN1_GENERALIZEDTIME_print(out, str);
|
|
break;
|
|
|
|
case V_ASN1_OBJECT:
|
|
ret = asn1_print_oid_ctx(out, (const ASN1_OBJECT *)*fld, pctx);
|
|
break;
|
|
|
|
case V_ASN1_OCTET_STRING:
|
|
case V_ASN1_BIT_STRING:
|
|
ret = asn1_print_obstring_ctx(out, str, indent, pctx);
|
|
needlf = 0;
|
|
break;
|
|
|
|
case V_ASN1_SEQUENCE:
|
|
case V_ASN1_SET:
|
|
case V_ASN1_OTHER:
|
|
if (BIO_puts(out, "\n") <= 0)
|
|
return 0;
|
|
if (ASN1_parse_dump(out, str->data, str->length, indent, 0) <= 0)
|
|
ret = 0;
|
|
needlf = 0;
|
|
break;
|
|
|
|
default:
|
|
ret = ASN1_STRING_print_ex(out, str, pctx->str_flags);
|
|
|
|
}
|
|
if (!ret)
|
|
return 0;
|
|
if (needlf && BIO_puts(out, "\n") <= 0)
|
|
return 0;
|
|
return 1;
|
|
}
|