/* PKCS#7 crypto data parser internal definitions
 *
 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#pragma once

//#include <linux/oid_registry.h>
//#include <crypto/pkcs7.h>
//#include "x509_parser.h"

#include "pkcs7.h"
#include "x509_parser.h"
#include "public_key.h"
#include "oid_registry.h"

//#define kenter(FMT, ...) \
//	pr_devel("==> %s("FMT")\n", __func__, ##__VA_ARGS__)
//#define kleave(FMT, ...) \
//	pr_devel("<== %s()"FMT"\n", __func__, ##__VA_ARGS__)

#define kenter
#define kleave

struct pkcs7_signed_info
{
    struct pkcs7_signed_info *next;
    struct x509_certificate *signer; /* Signing certificate (in msg->certs) */
    unsigned index;
    /*bool*/ unsigned char unsupported_crypto; /* T if not usable due to missing crypto */
    /*bool*/ unsigned char blacklisted;

    /* Message digest - the digest of the Content Data (or NULL) */
    const void *msgdigest;
    unsigned msgdigest_len;

    /* Authenticated Attribute data (or NULL) */
    unsigned authattrs_len;
    const void *authattrs;
    unsigned long aa_set;
#define sinfo_has_content_type 0
#define sinfo_has_signing_time 1
#define sinfo_has_message_digest 2
#define sinfo_has_smime_caps 3
#define sinfo_has_ms_opus_info 4
#define sinfo_has_ms_statement_type 5
    /*time64_t*/ long long signing_time;

    /* Message signature.
     *
     * This contains the generated digest of _either_ the Content Data or
     * the Authenticated Attributes [RFC2315 9.3].  If the latter, one of
     * the attributes contains the digest of the the Content Data within
     * it.
     *
     * THis also contains the issuing cert serial number and issuer's name
     * [PKCS#7 or CMS ver 1] or issuing cert's SKID [CMS ver 3].
     */
    struct public_key_signature *sig;
};

struct pkcs7_message
{
    struct x509_certificate *certs; /* Certificate list */
    struct x509_certificate *crl;   /* Revocation list */
    struct pkcs7_signed_info *signed_infos;
    /*u8*/ unsigned char version;          /* Version of cert (1 -> PKCS#7 or CMS; 3 -> CMS) */
    /*bool*/ unsigned char have_authattrs; /* T if have authattrs */

    /* Content Data (or NULL) */
    enum OID data_type; /* Type of Data */
    size_t data_len;    /* Length of Data */
    size_t data_hdrlen; /* Length of Data ASN.1 header */
    const void *data;   /* Content Data (or 0) */
};