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buildroot/utils/genrandconfig
Yann E. MORIN a316aeb7da utils/genrandconfig: do not check certificates with curl 
genrandconfig is used in autobuilders, and some autobuilders are running
on old distributions that are lacking the most recent CAs, causing build
failures because package sources can't be retrieved.

Do for the curl backend what we already did a while back for the wget
backend, with commit 0866a280e4 (utils/genrandconfig: use
--no-check-certificate in wget by default); in curl, the equivalent
would be --insecure, and applies to the ftps transport.

The integrity of the downloads are validated against our bundled hashes
so there is no risk of corruption of the downloaded files. The only
issue would be that an MITM could inspect the transaction, the same way
as for the wget --no-check-certificate in 0866a280e4, but this is not
considered a high-level issue (we're anyway talking FTPS here, that's a
legacy protocol that has other issues).

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2024-07-12 14:36:10 +02:00

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#!/usr/bin/env python3
# Copyright (C) 2014 by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
# This script generates a random configuration for testing Buildroot.
from binascii import hexlify
import asyncio
import csv
import os
from random import randint
import sys
import traceback
class SystemInfo:
DEFAULT_NEEDED_PROGS = ["make", "git", "gcc", "timeout"]
DEFAULT_OPTIONAL_PROGS = ["bzr", "java", "javac", "jar", "diffoscope"]
def __init__(self):
self.needed_progs = list(self.__class__.DEFAULT_NEEDED_PROGS)
self.optional_progs = list(self.__class__.DEFAULT_OPTIONAL_PROGS)
self.progs = {}
def find_prog(self, name, flags=os.X_OK, env=os.environ):
if not name or name[0] == os.sep:
raise ValueError(name)
prog_path = env.get("PATH", None)
# for windows compatibility, we'd need to take PATHEXT into account
if prog_path:
for prog_dir in filter(None, prog_path.split(os.pathsep)):
# os.join() not necessary: non-empty prog_dir
# and name[0] != os.sep
prog = prog_dir + os.sep + name
if os.access(prog, flags):
return prog
# --
return None
async def has(self, prog):
"""Checks whether a program is available.
Lazily evaluates missing entries.
Returns: None if prog not found, else path to the program [evaluates
to True]
"""
try:
return self.progs[prog]
except KeyError:
pass
have_it = self.find_prog(prog)
# java[c] needs special care
if have_it and prog in ('java', 'javac'):
proc = await asyncio.create_subprocess_shell(
"%s -version | grep gcj" % prog,
stdout=asyncio.subprocess.DEVNULL,
stderr=asyncio.subprocess.DEVNULL)
ret = await proc.wait()
if ret != 1:
have_it = False
# --
self.progs[prog] = have_it
return have_it
def check_requirements(self):
"""Checks program dependencies.
Returns: True if all mandatory programs are present, else False.
"""
do_check_has_prog = self.has
missing_requirements = False
for prog in self.needed_progs:
if not do_check_has_prog(prog):
print("ERROR: your system lacks the '%s' program" % prog)
missing_requirements = True
# check optional programs here,
# else they'd get checked by each worker instance
for prog in self.optional_progs:
do_check_has_prog(prog)
return not missing_requirements
def get_toolchain_configs(toolchains_csv, buildrootdir):
"""Fetch and return the possible toolchain configurations
This function returns an array of toolchain configurations. Each
toolchain configuration is itself an array of lines of the defconfig.
"""
with open(toolchains_csv) as r:
# filter empty lines and comments
lines = [t for t in r.readlines() if len(t.strip()) > 0 and t[0] != '#']
toolchains = lines
configs = []
(_, _, _, _, hostarch) = os.uname()
# ~2015 distros report x86 when on a 32bit install
if hostarch == 'i686' or hostarch == 'i386' or hostarch == 'x86':
hostarch = 'x86'
for row in csv.reader(toolchains):
config = {}
configfile = row[0]
config_hostarch = row[1]
keep = False
# Keep all toolchain configs that work regardless of the host
# architecture
if config_hostarch == "any":
keep = True
# Keep all toolchain configs that can work on the current host
# architecture
if hostarch == config_hostarch:
keep = True
# Assume that x86 32 bits toolchains work on x86_64 build
# machines
if hostarch == 'x86_64' and config_hostarch == "x86":
keep = True
if not keep:
continue
if not os.path.isabs(configfile):
configfile = os.path.join(buildrootdir, configfile)
with open(configfile) as r:
config = r.readlines()
configs.append(config)
return configs
async def is_toolchain_usable(configfile, config):
"""Check if the toolchain is actually usable."""
with open(configfile) as configf:
configlines = configf.readlines()
# Check that the toolchain configuration is still present
for toolchainline in config:
if toolchainline not in configlines:
print("WARN: toolchain can't be used", file=sys.stderr)
print(" Missing: %s" % toolchainline.strip(), file=sys.stderr)
return False
return True
async def fixup_config(sysinfo, configfile):
"""Finalize the configuration and reject any problematic combinations
This function returns 'True' when the configuration has been
accepted, and 'False' when the configuration has not been accepted because
it is known to fail (in which case another random configuration will be
generated).
"""
with open(configfile) as configf:
configlines = configf.readlines()
ROOTFS_SIZE = '5G'
BR2_TOOLCHAIN_EXTERNAL_URL = 'BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/'
if "BR2_NEEDS_HOST_JAVA=y\n" in configlines and not await sysinfo.has("java"):
return False
# The ctng toolchain is affected by PR58854
if 'BR2_PACKAGE_LTTNG_TOOLS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'armv5-ctng-linux-gnueabi.tar.xz"\n' in configlines:
return False
# The ctng toolchain tigger an assembler error with guile package when compiled with -Os (same issue as for CS ARM 2014.05-29)
if 'BR2_PACKAGE_GUILE=y\n' in configlines and \
'BR2_OPTIMIZE_S=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'armv5-ctng-linux-gnueabi.tar.xz"\n' in configlines:
return False
# The ctng toolchain is affected by PR58854
if 'BR2_PACKAGE_LTTNG_TOOLS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'armv6-ctng-linux-uclibcgnueabi.tar.xz"\n' in configlines:
return False
# The ctng toolchain is affected by PR58854
if 'BR2_PACKAGE_LTTNG_TOOLS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'armv7-ctng-linux-gnueabihf.tar.xz"\n' in configlines:
return False
# The ctng toolchain is affected by PR60155
if 'BR2_PACKAGE_SDL=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'powerpc-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# The ctng toolchain is affected by PR60155
if 'BR2_PACKAGE_LIBMPEG2=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'powerpc-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS toolchain uses eglibc-2.18 which lacks SYS_getdents64
if 'BR2_PACKAGE_STRONGSWAN=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mips64el-ctng_n64-linux-gnu.tar.xz"\n' in configlines:
return False
# This MIPS toolchain uses eglibc-2.18 which lacks SYS_getdents64
if 'BR2_PACKAGE_PYTHON3=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mips64el-ctng_n64-linux-gnu.tar.xz"\n' in configlines:
return False
# libffi not available on ARMv7-M, but propagating libffi arch
# dependencies in Buildroot is really too much work, so we handle
# this here.
if 'BR2_ARM_CPU_ARMV7M=y\n' in configlines and \
'BR2_PACKAGE_LIBFFI=y\n' in configlines:
return False
# libopenssl needs atomic, but propagating this dependency in
# Buildroot is really too much work, so we handle this here.
if 'BR2_PACKAGE_LIBOPENSSL=y\n' in configlines and \
'BR2_TOOLCHAIN_HAS_ATOMIC=y\n' not in configlines:
return False
if 'BR2_PACKAGE_SUNXI_BOARDS=y\n' in configlines:
configlines.remove('BR2_PACKAGE_SUNXI_BOARDS_FEX_FILE=""\n')
configlines.append('BR2_PACKAGE_SUNXI_BOARDS_FEX_FILE="a10/hackberry.fex"\n')
# This MIPS uClibc toolchain fails to build the gdb package
if 'BR2_PACKAGE_GDB=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS uClibc toolchain fails to build the rt-tests package
if 'BR2_PACKAGE_RT_TESTS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS uClibc toolchain fails to build the civetweb package
if 'BR2_PACKAGE_CIVETWEB=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS ctng toolchain fails to build the python3 package
if 'BR2_PACKAGE_PYTHON3=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mips64el-ctng_n64-linux-gnu.tar.xz"\n' in configlines:
return False
# This MIPS uClibc toolchain fails to build the strace package
if 'BR2_PACKAGE_STRACE=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS uClibc toolchain fails to build the cdrkit package
if 'BR2_PACKAGE_CDRKIT=y\n' in configlines and \
'BR2_STATIC_LIBS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# uClibc vfork static linking issue
if 'BR2_PACKAGE_ALSA_LIB=y\n' in configlines and \
'BR2_STATIC_LIBS=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'i486-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# This MIPS uClibc toolchain fails to build the weston package
if 'BR2_PACKAGE_WESTON=y\n' in configlines and \
BR2_TOOLCHAIN_EXTERNAL_URL + 'mipsel-ctng-linux-uclibc.tar.xz"\n' in configlines:
return False
# No C library for internal toolchain
if 'BR2_TOOLCHAIN_BUILDROOT_NONE=y\n' in configlines:
return False
# Xtensa custom cores require an overlay file with internal
# toolchains
if 'BR2_XTENSA_CUSTOM=y\n' in configlines and \
'BR2_TOOLCHAIN_BUILDROOT=y\n' in configlines:
return False
# On xtensa, python needs headers >= 3.17, but propagating that to all packages
# is a bit tedious, so just catch it here.
if 'BR2_XTENSA_CUSTOM=y\n' in configlines and \
'BR2_PACKAGE_PYTHON3=y\n' in configlines and \
'BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_17=y\n' not in configlines:
return False
if 'BR2_TOOLCHAIN_BARE_METAL_BUILDROOT=y\n' in configlines:
configlines.remove('BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH=""\n')
configlines.append('BR2_TOOLCHAIN_BARE_METAL_BUILDROOT_ARCH="microblazeel-xilinx-elf"\n')
if 'BR2_PACKAGE_AUFS_UTIL=y\n' in configlines and \
'BR2_PACKAGE_AUFS_UTIL_VERSION=""\n' in configlines:
return False
if 'BR2_PACKAGE_A10DISP=y\n' in configlines:
return False
if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE=y\n' in configlines and \
'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SOURCE=""\n' in configlines and \
'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE=""\n' in configlines:
bootenv = os.path.join(args.outputdir, "boot_env.txt")
with open(bootenv, "w+") as bootenvf:
bootenvf.write("prop=value")
configlines.remove('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SOURCE=""\n')
configlines.append('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SOURCE="%s"\n' % bootenv)
configlines.remove('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE=""\n')
configlines.append('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE="0x1000"\n')
if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y\n' in configlines and \
'BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE=""\n' in configlines:
bootscr = os.path.join(args.outputdir, "boot_script.txt")
with open(bootscr, "w+") as bootscrf:
bootscrf.write("prop=value")
configlines.remove('BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE=""\n')
configlines.append('BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="%s"\n' % bootscr)
if 'BR2_ROOTFS_SKELETON_CUSTOM=y\n' in configlines and \
'BR2_ROOTFS_SKELETON_CUSTOM_PATH=""\n' in configlines:
configlines.remove('BR2_ROOTFS_SKELETON_CUSTOM=y\n')
configlines.remove('BR2_ROOTFS_SKELETON_CUSTOM_PATH=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y\n')
configlines.append('BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_USE_DEFCONFIG=y\n' in configlines and \
'BR2_LINUX_KERNEL_DEFCONFIG=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_USE_DEFCONFIG=y\n')
configlines.append('BR2_LINUX_KERNEL_USE_ARCH_DEFAULT_CONFIG=y\n')
configlines.remove('BR2_LINUX_KERNEL_DEFCONFIG=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_GIT=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_GIT=y\n')
configlines.append('BR2_LINUX_KERNEL_LATEST_VERSION=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_HG=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_HG=y\n')
configlines.append('BR2_LINUX_KERNEL_LATEST_VERSION=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_SVN=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_SVN=y\n')
configlines.append('BR2_LINUX_KERNEL_LATEST_VERSION=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_REPO_URL=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_TARBALL=y\n')
configlines.append('BR2_LINUX_KERNEL_LATEST_VERSION=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_VERSION=y\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_VERSION=y\n')
configlines.append('BR2_LINUX_KERNEL_LATEST_VERSION=y\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE=""\n')
if 'BR2_LINUX_KERNEL=y\n' in configlines and \
'BR2_LINUX_KERNEL_DTS_SUPPORT=y\n' in configlines and \
'BR2_LINUX_KERNEL_INTREE_DTS_NAME=""\n' in configlines and \
'BR2_LINUX_KERNEL_CUSTOM_DTS_PATH=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_DTS_SUPPORT=y\n')
configlines.remove('BR2_LINUX_KERNEL_INTREE_DTS_NAME=""\n')
configlines.remove('BR2_LINUX_KERNEL_CUSTOM_DTS_PATH=""\n')
if 'BR2_LINUX_KERNEL_APPENDED_UIMAGE=y\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_APPENDED_UIMAGE=y\n')
configlines.append('BR2_LINUX_KERNEL_UIMAGE=y\n')
if 'BR2_LINUX_KERNEL_APPENDED_ZIMAGE=y\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_APPENDED_ZIMAGE=y\n')
configlines.append('BR2_LINUX_KERNEL_ZIMAGE=y\n')
if 'BR2_LINUX_KERNEL_CUIMAGE=y\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_CUIMAGE=y\n')
configlines.append('BR2_LINUX_KERNEL_UIMAGE=y\n')
if 'BR2_LINUX_KERNEL_SIMPLEIMAGE=y\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_SIMPLEIMAGE=y\n')
configlines.append('BR2_LINUX_KERNEL_VMLINUX=y\n')
if 'BR2_LINUX_KERNEL_EXT_AUFS=y\n' in configlines and \
'BR2_LINUX_KERNEL_EXT_AUFS_VERSION=""\n' in configlines:
configlines.remove('BR2_LINUX_KERNEL_EXT_AUFS=y\n')
configlines.remove('BR2_LINUX_KERNEL_EXT_AUFS_VERSION=""\n')
if 'BR2_PACKAGE_LINUX_BACKPORTS=y\n' in configlines and \
'BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS=y\n')
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS_USE_CUSTOM_CONFIG=y\n')
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS_CUSTOM_CONFIG_FILE=""\n')
if 'BR2_PACKAGE_LINUX_BACKPORTS=y\n' in configlines and \
'BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG=y\n' in configlines and \
'BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG=""\n' in configlines:
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS=y\n')
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS_USE_DEFCONFIG=y\n')
configlines.remove('BR2_PACKAGE_LINUX_BACKPORTS_DEFCONFIG=""\n')
if 'BR2_KERNEL_HEADERS_VERSION=y\n' in configlines and \
'BR2_DEFAULT_KERNEL_VERSION=""\n' in configlines:
configlines.remove('BR2_KERNEL_HEADERS_VERSION=y\n')
configlines.remove('BR2_DEFAULT_KERNEL_VERSION=""\n')
if 'BR2_KERNEL_HEADERS_CUSTOM_GIT=y\n' in configlines and \
'BR2_KERNEL_HEADERS_CUSTOM_REPO_URL=""\n':
configlines.remove('BR2_KERNEL_HEADERS_CUSTOM_GIT=y\n')
configlines.remove('BR2_KERNEL_HEADERS_CUSTOM_REPO_URL=""\n')
if 'BR2_KERNEL_HEADERS_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_KERNEL_HEADERS_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
configlines.remove('BR2_KERNEL_HEADERS_CUSTOM_TARBALL=y\n')
configlines.remove('BR2_KERNEL_HEADERS_CUSTOM_TARBALL_LOCATION=""\n')
if 'BR2_TARGET_ARM_TRUSTED_FIRMWARE=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM=""\n' in configlines:
return False
if 'BR2_TARGET_ARM_TRUSTED_FIRMWARE=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE=""\n' in configlines:
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION=y\n')
configlines.append('BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_VERSION_VALUE=""\n')
if 'BR2_TARGET_ARM_TRUSTED_FIRMWARE=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL=y\n')
configlines.append('BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_TARBALL_LOCATION=""\n')
if 'BR2_TARGET_ARM_TRUSTED_FIRMWARE=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y\n' in configlines and \
'BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y\n')
configlines.append('BR2_TARGET_ARM_TRUSTED_FIRMWARE_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL=""\n')
if 'BR2_TARGET_AT91BOOTSTRAP3=y\n' in configlines and \
'BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG=""\n' in configlines:
configlines.remove('BR2_TARGET_AT91BOOTSTRAP3=y\n')
configlines.remove('BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG=""\n')
if 'BR2_TARGET_BAREBOX=y\n' in configlines and \
'BR2_TARGET_BAREBOX_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_TARGET_BAREBOX=y\n')
configlines.remove('BR2_TARGET_BAREBOX_USE_CUSTOM_CONFIG=y\n')
configlines.remove('BR2_TARGET_BAREBOX_CUSTOM_CONFIG_FILE=""\n')
if 'BR2_TARGET_BAREBOX=y\n' in configlines and \
'BR2_TARGET_BAREBOX_USE_DEFCONFIG=y\n' in configlines and \
'BR2_TARGET_BAREBOX_BOARD_DEFCONFIG=""\n' in configlines:
configlines.remove('BR2_TARGET_BAREBOX=y\n')
configlines.remove('BR2_TARGET_BAREBOX_USE_DEFCONFIG=y\n')
configlines.remove('BR2_TARGET_BAREBOX_BOARD_DEFCONFIG=""\n')
if 'BR2_TARGET_BOOT_WRAPPER_AARCH64=y\n' in configlines and \
'BR2_TARGET_BOOT_WRAPPER_AARCH64_DTS=""\n' in configlines:
return False
if 'BR2_TARGET_OPTEE_OS=y\n' in configlines and \
'BR2_TARGET_OPTEE_OS_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_TARGET_OPTEE_OS_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
configlines.remove('BR2_TARGET_OPTEE_OS_CUSTOM_TARBALL=y\n')
configlines.append('BR2_TARGET_OPTEE_OS_LATEST=y\n')
configlines.remove('BR2_TARGET_OPTEE_OS_CUSTOM_TARBALL_LOCATION=""\n')
if 'BR2_TARGET_OPTEE_OS=y\n' in configlines and \
'BR2_TARGET_OPTEE_OS_PLATFORM=""\n' in configlines:
configlines.remove('BR2_TARGET_OPTEE_OS=y\n')
configlines.remove('BR2_TARGET_OPTEE_OS_PLATFORM=""\n')
if 'BR2_TARGET_ROOTFS_CRAMFS=y\n' in configlines:
configlines.remove('BR2_TARGET_ROOTFS_CRAMFS=y\n')
if 'BR2_TARGET_ROOTFS_EXT2=y\n' in configlines and \
'BR2_TARGET_ROOTFS_EXT2_SIZE="60M"\n' in configlines:
configlines.remove('BR2_TARGET_ROOTFS_EXT2_SIZE="60M"\n')
configlines.append('BR2_TARGET_ROOTFS_EXT2_SIZE="%s"\n' % ROOTFS_SIZE)
if 'BR2_TARGET_ROOTFS_F2FS=y\n' in configlines and \
'BR2_TARGET_ROOTFS_F2FS_SIZE="100M"\n' in configlines:
configlines.remove('BR2_TARGET_ROOTFS_F2FS_SIZE="100M"\n')
configlines.append('BR2_TARGET_ROOTFS_F2FS_SIZE="%s"\n' % ROOTFS_SIZE)
if 'BR2_TARGET_ROOTFS_UBIFS=y\n' in configlines and \
'BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT=2048\n' in configlines:
configlines.remove('BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT=2048\n')
configlines.append('BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT=41610\n')
if 'BR2_TARGET_ROOTFS_UBI=y\n' in configlines and \
'BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_TARGET_ROOTFS_UBI_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG=y\n')
configlines.remove('BR2_TARGET_ROOTFS_UBI_CUSTOM_CONFIG_FILE=""\n')
if 'BR2_TARGET_S500_BOOTLOADER=y\n' in configlines and \
'BR2_TARGET_S500_BOOTLOADER_BOARD=""\n' in configlines:
configlines.remove('BR2_TARGET_S500_BOOTLOADER=y\n')
configlines.remove('BR2_TARGET_S500_BOOTLOADER_BOARD=""\n')
if 'BR2_TARGET_TI_K3_R5_LOADER=y\n' in configlines and \
'BR2_TARGET_TI_K3_R5_LOADER_USE_DEFCONFIG=y\n' in configlines and \
'BR2_TARGET_TI_K3_R5_LOADER_BOARD_DEFCONFIG=""\n' in configlines:
return False
if 'BR2_TARGET_UBOOT=y\n' in configlines and \
'BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y\n' in configlines and \
'BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_TARGET_UBOOT=y\n')
configlines.remove('BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y\n')
configlines.remove('BR2_TARGET_UBOOT_USE_CUSTOM_CONFIG=y\n')
configlines.remove('BR2_TARGET_UBOOT_CUSTOM_CONFIG_FILE=""\n')
if 'BR2_TARGET_UBOOT=y\n' in configlines and \
'BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y\n' in configlines and \
'BR2_TARGET_UBOOT_USE_DEFCONFIG=y\n' in configlines and \
'BR2_TARGET_UBOOT_BOARD_DEFCONFIG=""\n' in configlines:
configlines.remove('BR2_TARGET_UBOOT=y\n')
configlines.remove('BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y\n')
configlines.remove('BR2_TARGET_UBOOT_USE_DEFCONFIG=y\n')
configlines.remove('BR2_TARGET_UBOOT_BOARD_DEFCONFIG=""\n')
if 'BR2_TARGET_UBOOT=y\n' in configlines and \
'BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY=y\n' in configlines and \
'BR2_TARGET_UBOOT_BOARDNAME=""\n' in configlines:
configlines.remove('BR2_TARGET_UBOOT=y\n')
configlines.remove('BR2_TARGET_UBOOT_BUILD_SYSTEM_LEGACY=y\n')
configlines.remove('BR2_TARGET_UBOOT_BOARDNAME=""\n')
if 'BR2_TOOLCHAIN_EXTERNAL=y\n' in configlines and \
'BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y\n' in configlines and \
'BR2_TOOLCHAIN_EXTERNAL_PATH=""\n' in configlines:
configlines.remove('BR2_TOOLCHAIN_EXTERNAL=y\n')
configlines.remove('BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y\n')
configlines.remove('BR2_TOOLCHAIN_EXTERNAL_PATH=""\n')
if 'BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT=y\n' in configlines:
return False
if 'BR2_TOOLCHAIN_EXTERNAL=y\n' in configlines and \
'BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y\n' in configlines and \
'BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y\n' in configlines and \
'BR2_TOOLCHAIN_EXTERNAL_URL=""\n' in configlines:
configlines.remove('BR2_TOOLCHAIN_EXTERNAL=y\n')
configlines.remove('BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y\n')
configlines.remove('BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y\n')
configlines.remove('BR2_TOOLCHAIN_EXTERNAL_URL=""\n')
if 'BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT=y\n' in configlines:
return False
if 'BR2_TARGET_MXS_BOOTLETS=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_BOARD=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_BOARD_NAME=""\n' in configlines:
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_BOARD=y\n')
configlines.append('BR2_TARGET_MXS_BOOTLETS_STMP37xx=y\n')
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_BOARD_NAME=""\n')
if 'BR2_TARGET_MXS_BOOTLETS=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_GIT=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_GIT_URL=""\n' in configlines:
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_GIT=y\n')
configlines.append('BR2_TARGET_MXS_BOOTLETS_FREESCALE=y\n')
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_GIT_URL=""\n')
if 'BR2_TARGET_MXS_BOOTLETS=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_TARGET_MXS_BOOTLETS_CUSTOM_TARBALL_URL=""\n' in configlines:
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_TARBALL=y\n')
configlines.append('BR2_TARGET_MXS_BOOTLETS_FREESCALE=y\n')
configlines.remove('BR2_TARGET_MXS_BOOTLETS_CUSTOM_TARBALL_URL=""\n')
if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_GIT=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_GIT=y\n')
configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_REPO_URL=""\n')
if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_TARBALL=y\n')
configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_TARBALL_LOCATION=""\n')
if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_VERSION=y\n' in configlines and \
'BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE=""\n' in configlines:
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_VERSION=y\n')
configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE=""\n')
if 'BR2_PACKAGE_REFPOLICY=y\n' in configlines and \
'BR2_PACKAGE_REFPOLICY_CUSTOM_GIT=y\n' in configlines and \
'BR2_PACKAGE_REFPOLICY_CUSTOM_REPO_URL=""\n' in configlines:
configlines.remove('BR2_PACKAGE_REFPOLICY_CUSTOM_GIT=y\n')
configlines.append('BR2_PACKAGE_REFPOLICY_UPSTREAM_VERSION=y\n')
configlines.remove('BR2_PACKAGE_REFPOLICY_CUSTOM_REPO_URL=""\n')
if 'BR2_PACKAGE_XENOMAI=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_CUSTOM_GIT=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_REPOSITORY=""\n' in configlines:
configlines.remove('BR2_PACKAGE_XENOMAI_CUSTOM_GIT=y\n')
configlines.append('BR2_PACKAGE_XENOMAI_LATEST_VERSION=y\n')
configlines.remove('BR2_PACKAGE_XENOMAI_REPOSITORY=""\n')
if 'BR2_PACKAGE_XENOMAI=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_CUSTOM_TARBALL=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_CUSTOM_TARBALL_URL=""\n' in configlines:
configlines.remove('BR2_PACKAGE_XENOMAI_CUSTOM_TARBALL=y\n')
configlines.append('BR2_PACKAGE_XENOMAI_LATEST_VERSION=y\n')
configlines.remove('BR2_PACKAGE_XENOMAI_CUSTOM_TARBALL_URL=""\n')
if 'BR2_PACKAGE_XENOMAI=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_CUSTOM_VERSION=y\n' in configlines and \
'BR2_PACKAGE_XENOMAI_CUSTOM_VERSION_VALUE=""\n' in configlines:
configlines.remove('BR2_PACKAGE_XENOMAI_CUSTOM_VERSION=y\n')
configlines.append('BR2_PACKAGE_XENOMAI_LATEST_VERSION=y\n')
configlines.remove('BR2_PACKAGE_XENOMAI_CUSTOM_VERSION_VALUE=""\n')
if 'BR2_PACKAGE_XVISOR=y\n' in configlines and \
'BR2_PACKAGE_XVISOR_USE_CUSTOM_CONFIG=y\n' in configlines and \
'BR2_PACKAGE_XVISOR_CUSTOM_CONFIG_FILE=""\n' in configlines:
configlines.remove('BR2_PACKAGE_XVISOR_USE_CUSTOM_CONFIG=y\n')
configlines.append('BR2_PACKAGE_XVISOR_USE_DEFCONFIG=y\n')
configlines.remove('BR2_PACKAGE_XVISOR_CUSTOM_CONFIG_FILE=""\n')
# Don't build igh-ethercat driver as they are highly
# kernel-version specific
for opt in ['8139TOO', 'E100', 'E1000', 'E1000E', 'R8169']:
optstr = 'BR2_PACKAGE_IGH_ETHERCAT_%s=y\n' % opt
if optstr in configlines:
configlines.remove(optstr)
with open(configfile, "w+") as configf:
configf.writelines(configlines)
return True
async def gen_config(args):
"""Generate a new random configuration
This function generates the configuration, by choosing a random
toolchain configuration and then generating a random selection of
packages.
"""
sysinfo = SystemInfo()
if args.toolchains_csv:
# Select a random toolchain configuration
configs = get_toolchain_configs(args.toolchains_csv, args.buildrootdir)
i = randint(0, len(configs) - 1)
toolchainconfig = configs[i]
else:
toolchainconfig = []
configlines = list(toolchainconfig)
# Combine with the minimal configuration
minimalconfigfile = os.path.join(args.buildrootdir,
'support/config-fragments/minimal.config')
with open(minimalconfigfile) as minimalf:
configlines += minimalf.readlines()
# Allow hosts with old certificates to download over https
configlines.append("BR2_WGET=\"wget -nd -t 3 --no-check-certificate\"\n")
configlines.append("BR2_CURL=\"curl --ftp-pasv --retry 3 --insecure\"\n")
# Per-package folder
if randint(0, 15) == 0:
configlines.append("BR2_PER_PACKAGE_DIRECTORIES=y\n")
# Amend the configuration with a few things.
if randint(0, 20) == 0:
configlines.append("BR2_ENABLE_DEBUG=y\n")
if randint(0, 20) == 0:
configlines.append("BR2_ENABLE_RUNTIME_DEBUG=y\n")
if randint(0, 1) == 0:
configlines.append("BR2_INIT_BUSYBOX=y\n")
elif randint(0, 15) == 0:
configlines.append("BR2_INIT_SYSTEMD=y\n")
elif randint(0, 10) == 0:
configlines.append("BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y\n")
if randint(0, 20) == 0:
configlines.append("BR2_STATIC_LIBS=y\n")
if randint(0, 20) == 0:
configlines.append("BR2_PACKAGE_PYTHON3_PY_ONLY=y\n")
if randint(0, 5) == 0:
configlines.append("BR2_OPTIMIZE_2=y\n")
if randint(0, 4) == 0:
configlines.append("BR2_SYSTEM_ENABLE_NLS=y\n")
if randint(0, 4) == 0:
configlines.append("BR2_FORTIFY_SOURCE_2=y\n")
# Randomly enable BR2_REPRODUCIBLE 10% of times
# also enable tar filesystem images for testing
if await sysinfo.has("diffoscope") and randint(0, 10) == 0:
configlines.append("BR2_REPRODUCIBLE=y\n")
configlines.append("BR2_TARGET_ROOTFS_TAR=y\n")
# Write out the configuration file
if not os.path.exists(args.outputdir):
os.makedirs(args.outputdir)
if args.outputdir == os.path.abspath(os.path.join(args.buildrootdir, "output")):
configfile = os.path.join(args.buildrootdir, ".config")
else:
configfile = os.path.join(args.outputdir, ".config")
with open(configfile, "w+") as configf:
configf.writelines(configlines)
proc = await asyncio.create_subprocess_exec(
"make", "O=%s" % args.outputdir, "-C", args.buildrootdir, "olddefconfig")
ret = await proc.wait()
if ret:
return ret
if not await is_toolchain_usable(configfile, toolchainconfig):
return 2
# Now, generate the random selection of packages, and fixup
# things if needed.
# Safe-guard, in case we can not quickly come to a valid
# configuration: allow at most 100 (arbitrary) iterations.
bounded_loop = 100
while True:
if bounded_loop == 0:
print("ERROR: cannot generate random configuration after 100 iterations",
file=sys.stderr)
return 1
bounded_loop -= 1
proc = await asyncio.create_subprocess_exec(
"make", "O=%s" % args.outputdir, "-C", args.buildrootdir,
"KCONFIG_SEED=0x%s" % hexlify(os.urandom(4)).decode("ascii").upper(),
"KCONFIG_PROBABILITY=%d" % randint(1, 20),
"randpackageconfig" if args.toolchains_csv else "randconfig")
ret = await proc.wait()
if ret:
return ret
if await fixup_config(sysinfo, configfile):
break
proc = await asyncio.create_subprocess_exec(
"make", "O=%s" % args.outputdir, "-C", args.buildrootdir, "olddefconfig")
ret = await proc.wait()
if ret:
return ret
proc = await asyncio.create_subprocess_exec(
"make", "O=%s" % args.outputdir, "-C", args.buildrootdir, "savedefconfig")
ret = await proc.wait()
if ret:
return ret
proc = await asyncio.create_subprocess_exec(
"make", "O=%s" % args.outputdir, "-C", args.buildrootdir, "dependencies")
return await proc.wait()
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(description="Generate a random configuration")
parser.add_argument("--outputdir", "-o",
help="Output directory (relative to current directory)",
type=str, default='output')
parser.add_argument("--buildrootdir", "-b",
help="Buildroot directory (relative to current directory)",
type=str, default='.')
toolchains_csv = parser.add_mutually_exclusive_group(required=False)
toolchains_csv.add_argument("--toolchains-csv",
dest="toolchains_csv",
help="Path of the toolchain configuration file",
type=str)
toolchains_csv.add_argument("--no-toolchains-csv",
dest="toolchains_csv",
help="Generate random toolchain configuration",
action='store_false')
parser.set_defaults(toolchains_csv="support/config-fragments/autobuild/toolchain-configs.csv")
args = parser.parse_args()
# We need the absolute path to use with O=, because the relative
# path to the output directory here is not relative to the
# Buildroot sources, but to the current directory.
args.outputdir = os.path.abspath(args.outputdir)
try:
if sys.version_info < (3, 7):
loop = asyncio.get_event_loop()
ret = loop.run_until_complete(gen_config(args))
else:
ret = asyncio.run(gen_config(args))
except Exception:
traceback.print_exc()
parser.exit(1)
parser.exit(ret)
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