From 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 03:47:29 +0200 Subject: Adding upstream version 115.8.0esr. Signed-off-by: Daniel Baumann --- modules/libmar/src/mar_private.h | 78 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 modules/libmar/src/mar_private.h (limited to 'modules/libmar/src/mar_private.h') diff --git a/modules/libmar/src/mar_private.h b/modules/libmar/src/mar_private.h new file mode 100644 index 0000000000..bd9d4386fe --- /dev/null +++ b/modules/libmar/src/mar_private.h @@ -0,0 +1,78 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef MAR_PRIVATE_H__ +#define MAR_PRIVATE_H__ + +#include // for C11 static_assert +#include "limits.h" +#include + +#define BLOCKSIZE 4096 +#define ROUND_UP(n, incr) (((n) / (incr) + 1) * (incr)) + +#define MAR_ID "MAR1" +#define MAR_ID_SIZE 4 + +/* The signature block comes directly after the header block + which is 16 bytes */ +#define SIGNATURE_BLOCK_OFFSET 16 + +/* Make sure the file is less than 500MB. We do this to protect against + invalid MAR files. */ +#define MAX_SIZE_OF_MAR_FILE ((int64_t)524288000) + +/* Existing code makes assumptions that the file size is + smaller than LONG_MAX. */ +static_assert(MAX_SIZE_OF_MAR_FILE < ((int64_t)LONG_MAX), + "max mar file size is too big"); + +/* We store at most the size up to the signature block + 4 + bytes per BLOCKSIZE bytes */ +static_assert(sizeof(BLOCKSIZE) < (SIGNATURE_BLOCK_OFFSET + sizeof(uint32_t)), + "BLOCKSIZE is too big"); + +/* The maximum size of any signature supported by current and future + implementations of the signmar program. */ +#define MAX_SIGNATURE_LENGTH 2048 + +/* Each additional block has a unique ID. + The product information block has an ID of 1. */ +#define PRODUCT_INFO_BLOCK_ID 1 + +#define MAR_ITEM_SIZE(namelen) (3 * sizeof(uint32_t) + (namelen) + 1) + +/* Product Information Block (PIB) constants */ +#define PIB_MAX_MAR_CHANNEL_ID_SIZE 63 +#define PIB_MAX_PRODUCT_VERSION_SIZE 31 + +/* The mar program is compiled as a host bin so we don't have access to NSPR at + runtime. For that reason we use ntohl, htonl, and define HOST_TO_NETWORK64 + instead of the NSPR equivalents. */ +#ifdef XP_WIN +# include +/* Include stdio.h before redefining ftello and fseeko to avoid clobbering + * the ftello() and fseeko() function declarations in MinGW's stdio.h. */ +# include +# define ftello _ftelli64 +# define fseeko _fseeki64 +#else +# define _FILE_OFFSET_BITS 64 +# include +# include +# include +#endif + +#define HOST_TO_NETWORK64(x) \ + (((((uint64_t)x) & 0xFF) << 56) | ((((uint64_t)x) >> 8) & 0xFF) << 48) | \ + (((((uint64_t)x) >> 16) & 0xFF) << 40) | \ + (((((uint64_t)x) >> 24) & 0xFF) << 32) | \ + (((((uint64_t)x) >> 32) & 0xFF) << 24) | \ + (((((uint64_t)x) >> 40) & 0xFF) << 16) | \ + (((((uint64_t)x) >> 48) & 0xFF) << 8) | (((uint64_t)x) >> 56) +#define NETWORK_TO_HOST64 HOST_TO_NETWORK64 + +#endif /* MAR_PRIVATE_H__ */ -- cgit v1.2.3