1#!/usr/bin/env bash 2# Copyright 2022 The Chromium OS Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5# 6# Regenerate net_sys bindgen bindings. 7 8set -euo pipefail 9cd "$(dirname "${BASH_SOURCE[0]}")/.." 10 11source tools/impl/bindgen-common.sh 12 13# Replace definition of struct sockaddr with an import of libc::sockaddr. 14replace_sockaddr_libc() { 15 # Match the following structure definition across multiple lines: 16 # 17 # #[repr(C)] 18 # #[derive(Debug, Default, Copy, Clone)] 19 # pub struct sockaddr { 20 # pub sa_family: sa_family_t, 21 # pub sa_data: [::std::os::raw::c_char; 14usize], 22 # } 23 sed -E \ 24 -e '1h;2,$H;$!d;g' \ 25 -e 's/#\[repr\(C\)\]\n#\[derive\([^)]+\)\]\npub struct sockaddr \{\n( pub [^\n]+\n)+\}/\nuse libc::sockaddr;\n/' 26} 27 28# Remove custom sa_family_t type in favor of libc::sa_family_t. 29remove_sa_family_t() { 30 grep -v "pub type sa_family_t = " 31} 32 33bindgen_generate \ 34 --allowlist-type='ifreq' \ 35 --allowlist-type='net_device_flags' \ 36 --bitfield-enum='net_device_flags' \ 37 "${BINDGEN_LINUX_X86_HEADERS}/include/linux/if.h" \ 38 | replace_linux_int_types \ 39 | replace_sockaddr_libc \ 40 | remove_sa_family_t \ 41 | rustfmt \ 42 > net_sys/src/iff.rs 43 44bindgen_generate \ 45 --allowlist-type='sock_fprog' \ 46 --allowlist-var='TUN_.*' \ 47 "${BINDGEN_LINUX}/include/uapi/linux/if_tun.h" \ 48 | replace_linux_int_types \ 49 > net_sys/src/if_tun.rs 50 51bindgen_generate \ 52 --allowlist-var='SIOC.*' \ 53 "${BINDGEN_LINUX}/include/uapi/linux/sockios.h" \ 54 | replace_linux_int_types \ 55 > net_sys/src/sockios.rs 56