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74 lines
2.0 KiB
74 lines
2.0 KiB
2 years ago
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* PE Binary parser bits
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*
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* Copyright (C) 2014 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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//#include <crypto/pkcs7.h>
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//#include <crypto/hash_info.h>
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#pragma once
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#include <fltKernel.h>
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#include "pkcs7.h"
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//#include "pe.h"
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struct section_header_x
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{
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char name[8]; /* name or "/12\0" string tbl offset */
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unsigned long virtual_size; /* size of loaded section in ram */
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unsigned long virtual_address; /* relative virtual address */
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unsigned long raw_data_size; /* size of the section */
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unsigned long data_addr; /* file pointer to first page of sec */
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unsigned long relocs; /* file pointer to relocation entries */
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unsigned long line_numbers; /* line numbers! */
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unsigned long num_relocs; /* number of relocations */
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unsigned long num_lin_numbers; /* srsly. */
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unsigned long flags;
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};
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struct pefile_context
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{
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unsigned header_size;
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unsigned image_checksum_offset;
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unsigned cert_dirent_offset;
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unsigned n_data_dirents;
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unsigned n_sections;
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unsigned certs_size;
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unsigned sig_offset;
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unsigned sig_len;
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const struct section_header_x *secs;
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/* PKCS#7 MS Individual Code Signing content */
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const void *digest; /* Digest */
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unsigned digest_len; /* Digest length */
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const char *digest_algo; /* Digest algorithm */
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};
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//#define kenter(FMT, ...) \
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// pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
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//#define kleave(FMT, ...) \
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// pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)
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/*
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* Parse a PE binary.
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*/
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int
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pefile_parse_binary(const void *pebuf, unsigned int pelen, struct pefile_context *ctx);
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/*
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* Check and strip the PE wrapper from around the signature and check that the
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* remnant looks something like PKCS#7.
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*/
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int
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pefile_strip_sig_wrapper(const void *pebuf, struct pefile_context *ctx);
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/*
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* mscode_parser.c
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*/
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extern int
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mscode_parse(void *_ctx, const void *content_data, size_t data_len, size_t asn1hdrlen);
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