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tuxera_update.sh
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#!/bin/bash
# ================= NO CHANGE NEEDED BELOW! =====================
usage() {
usagestr=$(cat <<EOF
Usage: tuxera_update.sh [OPTION...]
This script only assembles the kernel headers package
(kheaders.tar.bz2) by default. Use -a to invoke Autobuild.
--output-dir OUTDIR
Specify kernel build output directory.
--no-excludes
Do not exclude *.c, *.o, *.S, arch/*/boot. Only use if the build
fails (some of the excluded files are needed). This significantly
grows the headers package size.
--user USER [--pass PASSWD] [--admin ADMIN]
If remote connectivity is needed (-a or --latest), username and
password are required. If missing, they will be read from stdin.
NOTE: Using --pass can be dangerous as local users see it in 'ps'.
The --admin option lets you log in using the password of the given
ADMIN user.
--use-cache [--cache-dir CACHEDIR] [--latest] [--max-cache-entries N]
Obtain modules from local cache if kernel dependencies are not
modified. You must provide --output-dir to
use the cache. Modules are relinked on cache hit, ensure the
toolchain is in PATH. If -a is specified, Autobuild is invoked
on a cache miss, and the cache is updated. Otherwise, kernel headers
assembly is performed for later, manual build.
You can specify a different cache directory with --cache-dir. The
default directory is \$PWD/.tuxera_update_cache
The --latest option will ensure that the release found in cache is
the latest version available on Autobuild servers. This needs remote
connectivity. If a new version is found and -a is specified,
Autobuild is invoked and the cache is updated.
The optional --max-cache-entries can be used to limit the maximum
cache size to N recently used entries. The default is 10.
-a [--target TARGET] [OPTIONS]
Start Autobuild against TARGET. If target was not specified, uses
the default target. Use '--target list' to show available targets.
The following extra options are supported:
--use-package PACKAGE
Autobuild starts with fresh .tar.bz2 assembly by default, but
you can use this option to start Autobuild by uploading a pre-built
.tar.bz2 file PACKAGE.
--ignore-cert
If up/download fails due to certificate issues, this option can
be used to disable verification.
--use-curl
--use-wget
Force the use of 'curl' or 'wget' for remote communication.
-u, --upgrade
Upgrade online to the latest script version, obtained from
$upgrade_url
-h, --help
Prints this help.
-v
Only print the version of this script and exit.
--verbose
Print more debug information.
Tuxera Autobuild Team
EOF
)
if [ -n "$long_help" ] ; then
echo "$usagestr"
echo
else
echo "For long help, use -h. Options:"
echo "$usagestr" | grep "^ *-"
fi
exit 1
}
archs="alpha arc arm arm64 avr32 blackfin c6x cris frv h8300 hexagon ia64 m32r \
m68k metag microblaze mips mn10300 openrisc parisc ppc s390 score \
superh sparc tile unicore32 x86 xtensa ubicom32 csky"
#
# Detect required architecture directories based on autoconf.h
#
detect_arch_dirs() {
# Simplify conditionals, if output_dir not set
dir1="$source_dir"
[ -n "$output_dir" ] && dir2="$output_dir" || dir2="$dir1"
# autoconf.h must be present
ac="${dir2}/include/generated/autoconf.h"
[ -e "$ac" ] || ac="${dir2}/include/linux/autoconf.h"
[ -e "$ac" ] || ac="${dir1}/include/generated/autoconf.h"
[ -e "$ac" ] || ac="${dir1}/include/linux/autoconf.h"
[ -e "$ac" ] || { echo "ERROR: Unable to detect kernel architecture: autoconf.h not found."; return 1; }
pattern=""
# Compute grep pattern
for arch in $archs; do
[ -n "$pattern" ] && separ="\|" || separ=""
pattern="${pattern}${separ}^#define CONFIG_$(echo $arch | tr '[:lower:]' '[:upper:]')[[:space:]]"
done
# Find architecture from autoconf.h
def=$(grep -e "$pattern" "$ac") || { echo "ERROR: Unable to detect kernel architecture: no macro found in autoconf.h."; return 1; }
archdirs=$(echo "$def" | head -n 1 | sed -n 's/#define CONFIG_\(.*\)[[:space:]].*/\1/p' | tr '[:upper:]' '[:lower:]')
# Fix some architecture names to get the correct directory
[ "$archdirs" == "ppc" ] && archdirs="powerpc"
[ "$archdirs" == "superh" ] && archdirs="sh"
if [ "$archdirs" == "x86" ] ; then
# Older kernels don't have x86 dir at all.
# Some x86 builds require 2 directories. This is very rare.
grep -q '^#define CONFIG_X86_32' "$ac" && archdirs="$archdirs i386"
grep -q '^#define CONFIG_X86_64' "$ac" && archdirs="$archdirs x86_64"
fi
if [ "$archdirs" == "arm64" ] ; then
# Nvidia Tegra 3.10.61
grep -q '^#define CONFIG_ARCH_TEGRA' "$ac" && archdirs="$archdirs arm"
fi
# Realtek RLX fix
[ "$archdirs" == "mips" ] && grep -q '^#define CONFIG_CPU_RLX' "$ac" && archdirs="rlx"
# Only select existing directories.
existing=''
for d in $archdirs ; do
[ -e "$dir1/arch/$d" ] || [ -e "$dir2/arch/$d" ] && existing="$existing $d"
done
# Don't continue if there is no arch directory.
[ -z "$existing" ] && { echo "ERROR: No arch directories found. Cannot continue."; return 1; }
archdirs="$existing"
echo "Kernel architecture directories: $archdirs"
}
#
# Check KH against typical errors
#
check_kh() {
source_link="$1"
output_link="$2"
[ -e "${output_link}" ] || output_link="${source_link}"
if ! [ -e "${source_link}/Makefile" ]; then
echo " ERROR: Kernel source code directory is invalid (no Makefile found).";
echo " To fix it, set the --output-dir parameter correctly.";
return 1
fi
if grep -q "VERSION" ${source_link}/Makefile &&
grep -q "PATCHLEVEL" ${source_link}/Makefile &&
grep -q "SUBLEVEL" ${source_link}/Makefile
then
echo "Found valid Linux kernel Makefile at ${source_link}/Makefile"
else
echo " ERROR: Kernel source code directory is invalid.";
echo " Makefile doesn't have VERSION, PATCHLEVEL and SUBLEVEL."
echo " To fix it, set the --output-dir parameter correctly.";
return 1
fi
if ! [ -e "${output_link}/Module.symvers" ]; then
echo " ERROR: Invalid kernel configuration:";
echo " Module.symvers is missing.";
echo " Either the kernel was not compiled yet, or the kernel output directory is not correct.";
echo " Please make sure the kernel has been compiled, then use that directory for the --output-dir";
echo " argument where the Module.symvers file can be found."
return 1
fi
[ -n "${disable_kernel_headers_check}" ] && return 0
error_config_modules=" ERROR: Update kernel configuration:
Please enable loadable modules support in kernel: CONFIG_MODULES=y
(Enable loadable module support (CONFIG_MODULES)[Y/n/?] Y)
Then rebuild the kernel and recollect kernel headers.
"
error_config_cma=" ERROR: Fix kernel source code:
CONFIG_CMA is enabled but 'is_cma_pageblock' is not exported!
Please add EXPORT_SYMBOL(is_cma_pageblock) after the definition of this
function (usually in mm/page_alloc.c).
Then rebuild the kernel and recollect kernel headers.
"
error_config_lockdep=" ERROR: Update kernel configuration:
CONFIG_DEBUG_LOCK_ALLOC=y and/or CONFIG_LOCKDEP=y are enabled.
These options convert some symbols required by file systems into
GPL-only symbols, which legally cannot be used by our filesystem driver(s).
Please disable these options, rebuild the kernel and recollect kernel headers.
"
if ! [ -s "${output_link}/Module.symvers" ] &&
! grep -sxq 'CONFIG_MODULES=y' "${output_link}/.config"
then
errors+="${error_config_modules}"
config_modules_not_set="yes"
fi
if grep -sxq 'CONFIG_CMA=y' "${output_link}/.config" &&
grep -sq 'is_cma_pageblock' "${source_link}/include/linux/pagemap.h"
then
if [ -n "${config_modules_not_set}" ]; then
errors+="${error_config_cma}"
else
grep -wq 'is_cma_pageblock' "${output_link}/Module.symvers" || errors+="${error_config_cma}"
fi
fi
if grep -qx -e 'CONFIG_DEBUG_LOCK_ALLOC=y' -e 'CONFIG_LOCKDEP=y' "${output_link}/.config"
then
if [ -n "${config_modules_not_set}" ]; then
errors+="${error_config_lockdep}"
else
awk '$4 == "EXPORT_SYMBOL_GPL" && $2 ~ /(mutex_lock_nested|lockdep_init_map|debug_check_no_locks_held)/ { exit(1); }' \
"${output_link}/Module.symvers" ||
errors+="${error_config_lockdep}"
fi
fi
[ -n "${errors}" ] && { printf "${errors}"; return 1; }
return 0
}
#
# Assemble kernel headers package.
#
build_package() {
if [ -z "$source_dir" ] ; then
echo "You must specify --output-dir for headers package assembly."
usage
fi
# Temporary directory that will contain links to kernel and output directories.
LINK_DIR=$(mktemp -d)
if [ $? -ne 0 ] ; then
echo "mktemp failed. Unable to continue."
exit 1
fi
KERNEL_LINK="${LINK_DIR}"/kernel
OUTPUT_LINK="${LINK_DIR}"/output
MEDIATEK_LINK="${LINK_DIR}"/mediatek
EXTRA_SEARCH_NEW_MEDIATEK="${KERNEL_LINK}"/drivers/misc/mediatek/mach
EXTRA_SEARCH_NEW_MEDIATEK_INCLUDE="${KERNEL_LINK}"/drivers/misc/mediatek/include
EXTRA_SEARCH_NEW_MEDIATEK_BASE="${KERNEL_LINK}"/drivers/misc/mediatek/base
EXTRA_SEARCH_AMLOGIC_DEBUG="${KERNEL_LINK}"/drivers/amlogic/debug
[ -d "$source_dir"/../mediatek ] && have_mediatek=1
# Create kernel and output links to LINK_DIR. Only create link to output
# dir if output directory was specified. Note that absolute paths
# must be used!
ln -sf "$(readlink -f "$source_dir")" "${KERNEL_LINK}" && \
if [ -n "$output_dir" ]; then ln -sf "$(readlink -f "$output_dir")" "${OUTPUT_LINK}"; fi && \
if [ -n "$have_mediatek" ] ; then ln -sf "$(readlink -f "$source_dir")"/../mediatek "${MEDIATEK_LINK}"; fi
if [ $? -ne 0 ] ; then
echo "Symlinking (ln -s) failed. Unable to continue."
rm -rf "${LINK_DIR}"
exit 1
fi
if [ "$source_dir" = "$output_dir" ] ; then
rm "$OUTPUT_LINK"
fi
if ! check_kh "${KERNEL_LINK}" "${OUTPUT_LINK}"; then
rm -rf "${LINK_DIR}"
exit 1
fi
echo "Generating list of files to include..."
INCLUDEFILE=$(mktemp)
echo "${script_version}" >> "${LINK_DIR}"/.version
echo "${LINK_DIR}"/.version >> "${INCLUDEFILE}"
if [ $? -ne 0 ] ; then
echo "mktemp failed. Unable to continue."
rm -rf "${LINK_DIR}"
exit 1
fi
if ! detect_arch_dirs; then
rm -rf "${LINK_DIR}"
exit 1
fi
SEARCHPATHS="$(for d in $archdirs; do echo "${KERNEL_LINK}/arch/$d"; done) ${KERNEL_LINK}/include ${KERNEL_LINK}/scripts ${KERNEL_LINK}/mediatek/Makefile ${KERNEL_LINK}/mediatek/platform ${MEDIATEK_LINK}/config ${MEDIATEK_LINK}/platform ${MEDIATEK_LINK}/build/libs ${MEDIATEK_LINK}/build/Makefile ${MEDIATEK_LINK}/build/kernel ${MEDIATEK_LINK}/kernel/include/linux ${MEDIATEK_LINK}/kernel/Makefile ${KERNEL_LINK}/KMC ${KERNEL_LINK}/init/secureboot ${KERNEL_LINK}/mvl-avb-version ${EXTRA_SEARCH_NEW_MEDIATEK} ${EXTRA_SEARCH_NEW_MEDIATEK_INCLUDE} ${EXTRA_SEARCH_NEW_MEDIATEK_BASE} ${EXTRA_SEARCH_AMLOGIC_DEBUG} ${KERNEL_LINK}/tools/gcc ${KERNEL_LINK}/tools/Makefile ${KERNEL_LINK}/tools/objtool ${KERNEL_LINK}/tools/scripts"
if [ -L "${OUTPUT_LINK}" ] ; then
SEARCHPATHS="${SEARCHPATHS} $(for d in $archdirs; do echo "${OUTPUT_LINK}/arch/$d"; done) ${OUTPUT_LINK}/include ${OUTPUT_LINK}/scripts ${OUTPUT_LINK}/KMC ${OUTPUT_LINK}/init/secureboot ${OUTPUT_LINK}/mvl-avb-version ${OUTPUT_LINK}/tools/gcc ${OUTPUT_LINK}/tools/Makefile ${OUTPUT_LINK}/tools/objtool ${OUTPUT_LINK}/tools/scripts"
fi
# Not all of the directories always exist, so check for them first to avoid an error message
# from 'find' if the directory is not found.
for P in ${SEARCHPATHS}; do
if [ ! -e "${P}" ]; then continue; fi
if [ -n "$no_excludes" ] ; then
find -L "${P}" ! -type l >> "${INCLUDEFILE}"
else
find -L "${P}" \
\( ! -type l -a ! -name \*.c -a ! -name \*.o -a ! -name \*.S -a ! -name \*.ko -a ! -name \*.dts -a ! -name \*.dtsi -a ! -path \*/scripts/dtc\* -a ! -path \*/arch/\*/boot/\* -a ! -path \*/.svn/\* -a ! -path \*/.git/\* ! -path \*mediatek/platform/Android.mk ! -path \*mediatek/platform/README ! -path \*mediatek/platform/common\* ! -path \*mediatek/platform/rules.mk ! -path \*mediatek/platform/\*/Trace\* ! -path \*mediatek/platform/\*/external\* ! -path \*mediatek/platform/\*/hardware\* ! -path \*mediatek/platform/\*/lk\* ! -path \*mediatek/platform/\*/preloader\* ! -path \*mediatek/platform/\*/uboot\* ! -path \*mediatek/platform/\*/kernel/core/Makefile ! -path \*mediatek/platform/\*/kernel/core/Makefile.boot ! -path \*mediatek/platform/\*/kernel/core/modules.builtin ! -path \*mediatek/platform/\*/kernel/drivers\* ! -path \*mediatek/platform/\*/kernel/Kconfig\* ! -path \*mediatek/config/a830\* ! -path \*mediatek/config/banyan_addon\* ! -path \*mediatek/config/out\* ! -path \*mediatek/config/prada\* ! -path \*mediatek/config/s820\* ! -path \*mediatek/config/seine\* \) \
>> ${INCLUDEFILE}
fi
done
echo ${KERNEL_LINK}/Makefile >> ${INCLUDEFILE}
if [ -e "${OUTPUT_LINK}/Makefile" ]; then echo "${OUTPUT_LINK}/Makefile" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/Module.symvers" ]; then echo "${KERNEL_LINK}/Module.symvers" >> ${INCLUDEFILE}; fi
if [ -e "${OUTPUT_LINK}/Module.symvers" ]; then echo "${OUTPUT_LINK}/Module.symvers" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/.config" ]; then echo "${KERNEL_LINK}/.config" >> ${INCLUDEFILE}; fi
if [ -e "${OUTPUT_LINK}/.config" ]; then echo "${OUTPUT_LINK}/.config" >> ${INCLUDEFILE}; fi
if [ -e "${OUTPUT_LINK}/arch/powerpc/lib/crtsavres.o" ]; then echo "${OUTPUT_LINK}/arch/powerpc/lib/crtsavres.o" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/arch/powerpc/lib/crtsavres.o" ]; then echo "${KERNEL_LINK}/arch/powerpc/lib/crtsavres.o" >> ${INCLUDEFILE}; fi
if [ -e "${OUTPUT_LINK}/scripts/recordmcount.c" ]; then echo "${OUTPUT_LINK}/scripts/recordmcount.c" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/scripts/recordmcount.c" ]; then echo "${KERNEL_LINK}/scripts/recordmcount.c" >> ${INCLUDEFILE}; fi
if [ -e "${OUTPUT_LINK}/scripts/recordmcount.h" ]; then echo "${OUTPUT_LINK}/scripts/recordmcount.h" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/scripts/recordmcount.h" ]; then echo "${KERNEL_LINK}/scripts/recordmcount.h" >> ${INCLUDEFILE}; fi
# Commit 338d4f49d6f7114a017d294ccf7374df4f998edc requires arm64 some kernel headers from arm
case "$archdirs" in *arm64*)
arm64_need_arm_files="arch/arm/include/asm/opcodes.h arch/arm/include/asm/xen/hypervisor.h arch/arm/include/asm/xen/interface.h include/asm/xen/interface.h"
for EF in ${arm64_need_arm_files}; do
if [ -e "${OUTPUT_LINK}/${EF}" ]; then echo "${OUTPUT_LINK}/${EF}" >> ${INCLUDEFILE}; fi
if [ -e "${KERNEL_LINK}/${EF}" ]; then echo "${KERNEL_LINK}/${EF}" >> ${INCLUDEFILE}; fi
done
;;
esac
echo "Packing kernel headers ..."
tar cjf "${1}" --dereference --no-recursion --files-from "${INCLUDEFILE}"
if [ $? -ne 0 ] ; then
echo "tar packaging failed. I will now exit."
rm -rf "${LINK_DIR}"
exit 1
fi
rm ${INCLUDEFILE}
rm -rf "${LINK_DIR}"
echo "Headers package assembly succeeded. You could now use --use-package ${1}."
}
#
# Retry network operations
#
do_retry() {
local result
local status
local delay=$conn_fail_retry_delay
local retr=1
while :
do
result=$("$@")
status=$?
if [ $status -eq 0 ] || [ $retr -gt $conn_fail_retry ] || [ -z "$retry_on_conn_fail" ] ; then
break
fi
echo "Trying to reconnect in "$delay" seconds..." >&2
sleep $delay
delay=$(($delay * 2))
retr=$(($retr + 1))
done
[ -n "$result" ] && echo "$result"
return $status
}
#
# Upload kernel headers package using curl.
#
upload_package_curl() {
local retr=1
local delay=$conn_fail_retry_delay
local execution_status
while :
do
execution_status=0
echo "Uploading the following package:"
ls -lh "${1}"
reply=$(do_retry $curl -F "file=@${1}" https://${server}/upload.php)
if [ $? -ne 0 ] ; then
echo "curl failed. Unable to continue. Check connectivity and username/password." >&2
execution_status=1
fi
if [ $execution_status -eq 0 ] ; then
status=$(echo "$reply" | head -n 1)
if [ "$status" != "OK" ] ; then
echo "$reply" >&2
echo "Upload failed. Unable to continue." >&2
execution_status=1
fi
fi
if [ $execution_status -ne 0 ] ; then
if [ $retr -gt $conn_fail_retry ] || [ -z "$retry_on_conn_fail" ] ; then
exit 1
else
echo "Will try one more time $retr of $conn_fail_retry in "$delay" seconds..." >&2
sleep $delay
retr=$(($retr + 1))
delay=$(($delay * 2))
continue
fi
fi
remote_package=$(echo "$reply" | head -n 2 | tail -n 1)
echo "Upload succeeded."
break
done
}
#
# Upload kernel headers package using wget.
# Package needs to be urlencoded.
#
upload_package_wget() {
encoded="$(mktemp)"
echo "urlencoding $1 to $encoded ..."
echo -n "file=" > "$encoded"
perl -pe 's/([^-_.~A-Za-z0-9])/sprintf("%%%02X", ord($1))/seg' < "$1" >> "$encoded"
if [ $? -ne 0 ] ; then
echo "urlencoding failed. Unable to continue."
exit 1
fi
local retr=1
local delay=$conn_fail_retry_delay
local execution_status
while :
do
execution_status=0
echo "Uploading package..."
reply=$(do_retry $wget --post-file="$encoded" -O - https://${server}/upload.php)
if [ $? -ne 0 ] ; then
echo "wget failed. Unable to continue. Check connectivity and username/password." >&2
execution_status=1
fi
if [ $execution_status -eq 0 ] ; then
status=$(echo "$reply" | head -n 1)
if [ "$status" != "OK" ] ; then
echo "$reply"
echo "Upload failed. Unable to continue." >&2
execution_status=1
fi
fi
if [ $execution_status -ne 0 ] ; then
if [ $retr -gt $conn_fail_retry ] || [ -z "$retry_on_conn_fail" ] ; then
rm "$encoded"
exit 1
else
echo "Will try one more time $retr of $conn_fail_retry in "$delay" seconds..." >&2
sleep $delay
retr=$(($retr + 1))
delay=$(($delay * 2))
continue
fi
fi
remote_package=$(echo "$reply" | head -n 2 | tail -n 1)
rm "$encoded"
echo "Upload succeeded."
break
done
}
#
# Find headers that were used during dependency module compilation from
# the *.i files. Compute their checksums.
#
calc_header_checksums() {
# Holds initial list of header files.
DEPENDENCY=$(mktemp)
if [ $? -ne 0 ] ; then
echo "mktemp failed. Unable to continue."
return 1
fi
# Find header files from the *.i files.
egrep '^#.*".*\.h".*' "$1"/*.i | awk -F '"' '{print $2}' | sort | uniq >> $DEPENDENCY
if [ $? -ne 0 ] ; then
echo "Failed to extract dependencies."
rm -f "${DEPENDENCY}"
return 1
fi
# Make sure the destination file doesn't exist.
rm -f "$2"
dirlen=$(readlink -f "${source_dir}" | wc -c)
# Loop through all headers.
while read line; do
echo "$line" | grep ^/ > /dev/null 2>&1
# Absolute path?
if [ $? -eq 0 ] ; then
echo "$line" | grep ^"$(readlink -f "${source_dir}")" > /dev/null 2>&1
# Common Headers
if [ $? -eq 0 ]; then
path_end=$(echo $line | tail -c +$dirlen)
sum=$(md5sum "${line}" | cut -d ' ' -f 1 2>/dev/null)
if [ $? -ne 0 ] ; then
echo "Failed to get checksum for file: ${linkfile}"
echo "Unable to continue."
rm -f "${DEPENDENCY}"
return 1
fi
echo "${sum} source${path_end}" >> "$2"
fi
# Generated Headers (not absolute path)
else
sum=$(md5sum "${kernel}/${line}" | cut -d ' ' -f 1 2>/dev/null)
if [ $? -ne 0 ] ; then
echo "Failed to get checksum for file: ${kernel}/${line}"
echo "Unable to continue."
rm -f "${DEPENDENCY}"
return 1
fi
echo "${sum} generated/${line}" >> "$2"
fi
done < ${DEPENDENCY}
rm "${DEPENDENCY}"
return 0
}
#
# Build dependency module and produce header checksums
# based on the build output .i file.
#
gen_header_checksums() {
if [ -f "${cache_dir}/pkgtmp/dependency_mod/env" ] ; then
. "${cache_dir}/pkgtmp/dependency_mod/env"
else
echo "No build environment found, unable to produce header checksums."
return 1
fi
if [ -n "${CROSS_COMPILE}" ] ; then
command -v ${CROSS_COMPILE}gcc > /dev/null 2>&1
if [ $? -ne 0 ] ; then
echo "${CROSS_COMPILE}gcc not found. Do you have the cross compiler in PATH?"
return 1
fi
fi
make -C "$kernel" ARCH=$ARCH CROSS_COMPILE=$CROSS_COMPILE $CUST_KENV M="${cache_dir}/pkgtmp/dependency_mod" depmod.i > $dbgdev
if [ $? -ne 0 ] ; then
echo "Compilation failed. Unable to compute header dependency tree."
return 1
fi
# Compute checksums from headers present in the depmod.i file.
calc_header_checksums "${cache_dir}/pkgtmp/dependency_mod" "$1"
return $?
}
#
# Match kernel symbol CRCs.
#
check_symvers() {
searchdir="$1"
symvers="$2"
searchvers=$(mktemp)
symvers_parsed=$(mktemp)
sort $(find "$searchdir" -name \*.mod.c) | uniq | \
sed -rn 's/^[[:space:]]*\{[[:space:]]*0x([[:xdigit:]]{8}),.*["(](.*)[")].*\}.*/0x\1 \2/p' > $searchvers
awk '{print $1,$2}' "$symvers" > "$symvers_parsed"
sort "$symvers_parsed" "$searchvers" | uniq -d | diff "$searchvers" - > /dev/null
ret=$?
rm -f "$symvers_parsed" "$searchvers"
return $ret
}
#
# Remove files related to given cache entry.
#
destroy_cache_entry() {
echo "Destroying cache entry: ${1}"
rm "${cache_dir}/${pkg}".{pkg,md5sum,target,pkgname}
}
#
# Match cache entries against given --source-dir/--output-dir
#
lookup_cache() {
if [ ! -f "${kernel}/Module.symvers" ] ; then
echo "${kernel}/Module.symvers does not exist. Unable to lookup cache."
return 1
fi
# All cache entries. Prioritize recently used entries.
cachefiles=$(cd "${cache_dir}"; ls -t *.pkg 2>/dev/null)
if [ $? -ne 0 ] ; then
echo "Can't find any cache files."
return 1
fi
for pkg in ${cachefiles} ; do
pkg=$(basename "$pkg" .pkg)
echo -n "Cache lookup: ${pkg}.pkg ... "
if [ ! -f "${cache_dir}/${pkg}.target" -o $(cat "${cache_dir}/${pkg}.target") != "$target" ] ; then
echo "miss (different target)"
continue
fi
if [ ! -f "${cache_dir}/${pkg}.md5sum" -o ! -f "${cache_dir}/${pkg}.pkgname" ] ; then
echo "md5sum or pkgname file missing for ${cache_dir}/${pkg}, unable to validate"
continue
fi
pkgname=$(cat "${cache_dir}/${pkg}.pkgname")
if [ -n "$check_latest" -a "$pkgname" != "$latest_pkg" ] ; then
echo "Old cache entry: new version available"
[ -z "$autobuild" ] || destroy_cache_entry "old version"
continue
fi
# Prepare to match kernel symbol CRCs and header checksums.
rm -rf "${cache_dir}/pkgtmp"
mkdir "${cache_dir}/pkgtmp"
tar xf "${cache_dir}/${pkg}.pkg" --strip-components=1 -C "${cache_dir}/pkgtmp"
# Match symbol CRCs
check_symvers "${cache_dir}/pkgtmp" "${kernel}/Module.symvers"
if [ $? -ne 0 ] ; then
echo "miss (kernel symbol CRCs differ)"
rm -rf "${cache_dir}/pkgtmp"
continue
fi
# Build dependency module and compute header checksums.
tmpsums=$(mktemp)
gen_header_checksums "$tmpsums"
if [ $? -ne 0 ] ; then
echo "checksum calculation failed"
rm -rf "${cache_dir}/pkgtmp"
rm -f "$tmpsums"
continue
fi
# Match header checksums.
diff "$tmpsums" "${cache_dir}/${pkg}.md5sum" > /dev/null
if [ $? -ne 0 ] ; then
rm -rf "${cache_dir}/pkgtmp"
rm -f "$tmpsums"
echo "miss (header checksums differ)"
continue
fi
rm -f "$tmpsums"
echo "Cache hit! Relinking modules..."
# Relink all kernel modules against currently used kernel.
if [ -z "$(find "${cache_dir}/pkgtmp/" -name \*.ko)" ] ; then
require_relink="yes"
fi
for driver_obj in "${cache_dir}/pkgtmp/"*/objects ; do
driver=$(dirname "$driver_obj")
if [ ! -f "${driver}/objects/Makefile.autobuild" ] ; then
echo "Old cache entry: no Makefile.autobuild found"
destroy_cache_entry "created by an old version"
rm -rf "${cache_dir}/pkgtmp"
continue 2
fi
rm -f "${driver}/objects/Kbuild"
mv "${driver}/objects/Makefile.autobuild" "${driver}/objects/Makefile"
make -C "$kernel" ARCH=$ARCH CROSS_COMPILE=$CROSS_COMPILE $CUST_KENV \
M="${driver}/objects" modules
if [ $? -ne 0 ] ; then
echo "Kernel module relinking failed - this usually shouldn't happen."
echo "Refusing to use this cache entry!"
rm -rf "${cache_dir}/pkgtmp"
continue 2
fi
echo "Stripping debug information..."
for mod in "${driver}"/objects/*.ko ; do
"${CROSS_COMPILE}strip" --strip-debug "${mod}" 1>/dev/null 2>/dev/null
cp "${mod}" "${driver}/kernel-module/"
done
relinked="yes"
done
if [ -n "$require_relink" -a -z "$relinked" ] ; then
echo "Old cache entry: no objects for relinking found"
destroy_cache_entry "created by an old version"
rm -rf "${cache_dir}/pkgtmp"
continue
fi
# Produce a package like the ones from the server.
echo "Packaging ${pkgname}..."
pkgcontents=$(tar tf "${cache_dir}/${pkg}.pkg")
origname=$(echo "${pkgcontents}" | head -n 1 | awk -F '/' '{print $1}')
rm -rf "${cache_dir}/${origname}"
mv "${cache_dir}/pkgtmp" "${cache_dir}/${origname}"
tar czf "$(pwd)/${pkgname}" -C "${cache_dir}" "${origname}/"
rm -rf "${cache_dir}/${origname}"
# Update cache entry timestamp.
touch "${cache_dir}/${pkg}.pkg"
return 0
done
echo "No cache hits."
return 1
}
#
# Start remote build. Headers package must be uploaded
# first.
#
do_remote_build() {
echo "Starting remote build against target ${target}..."
# Start build
if [ "$http_client" = "wget" ] ; then
reply=$(do_retry $wget --post-data="terminal=1&filename=${remote_package}&target-config=${target}&extraargs=${extraargs}&use-cache=${using_cache}&script-version=${script_version}&cache-lookup-time=${cache_lookup_time}&suid=${suid}&start-build=1" -O - https://${server})
else
reply=$(do_retry $curl -d terminal=1 -d filename="$remote_package" -d target-config="$target" -d extraargs="$extraargs" -d use-cache="$using_cache" -d script-version="$script_version" -d cache-lookup-time="$cache_lookup_time" -d suid="$suid" -d start-build=1 https://${server})
fi
if [ $? -ne 0 ] ; then
echo "${http_client} failed. Unable to start build."
echo "Check connectivity and username/password."
exit 1
fi
status=$(echo "$reply" | head -n 1)
# If status is OK, build ID should be included as well
if [ "$status" != "OK" ] ; then
echo "Starting the build failed. Unable to continue."
echo "The server reported:"
echo "$status"
exit 1
fi
# ID of this build is given in the reply
build_id=$(echo "$reply" | head -n 2 | tail -n 1)
echo "Build started, id ${build_id}"
echo "Polling for completion every 10 seconds..."
statusurl="https://${server}/builds/${build_id}/.status"
for i in `seq $max_polls`
do
if [ "$http_client" = "wget" ] ; then
reply=$($wget_quiet -O - "$statusurl")
else
reply=$($curl_quiet "$statusurl")
fi
if [ $? -ne 0 ] ; then
if [ $i -eq $max_polls ] ; then
echo "Maximum attempts exceeded. Build process"
echo "died or hung. Please notify Tuxera if the"
echo "problem persists."
exit 1
fi
echo "Not finished yet; waiting..."
sleep $poll_delay
continue
fi
break
done
echo "Build finished."
# Downloadable filename given in the reply
status=$(echo "$reply" | head -n 1)
if [ "$status" != "OK" ] ; then
echo "Build failed. Cannot download package."
echo "Tuxera has been notified of this failure."
exit 1
fi
filename=$(echo "$reply" | head -2 | tail -1)
fileurl="https://${server}/builds/${build_id}/${filename}"
echo "Downloading ${filename} ..."
if [ "$http_client" = "wget" ] ; then
reply=$(do_retry $wget -O "$filename" "$fileurl")
else
reply=$(do_retry $curl -o "$filename" "$fileurl")
fi
if [ $? -ne 0 ] ; then
echo "Failed. You can still try to download using the link in the e-mail that was sent."
exit 1
fi
echo "Download finished."
# Create cache entry.
if [ -n "$use_cache" ] ; then
echo "Updating cache..."
pkgprefix="$(date +%Y-%m-%d-%H-%M-%S)-$(head -c 8 /dev/urandom | md5sum | head -c 4)"
cp "$filename" "${cache_dir}/${pkgprefix}.pkg"
echo "$target" > "${cache_dir}/${pkgprefix}.target"
echo "$filename" > "${cache_dir}/${pkgprefix}.pkgname"
# Prepare to compute checksums.
mkdir "${cache_dir}/pkgtmp"
tar xf "${cache_dir}/${pkgprefix}.pkg" --strip-components=1 -C "${cache_dir}/pkgtmp"
# Build dependency module and compute checksums.
gen_header_checksums "${cache_dir}/${pkgprefix}.md5sum"
if [ $? -ne 0 ] ; then
echo "Updating cache failed."
rm -rf "${cache_dir}/${pkgprefix}.pkg"
rm -f "${cache_dir}/${pkgprefix}.target"
fi
rm -rf "${cache_dir}/pkgtmp"
# Purge cache entries if there are more than max_cache_entries.
cachefiles=$(cd "${cache_dir}"; ls -t *.pkg 2>/dev/null | tail -n +$((${max_cache_entries}+1)))
for pkg in ${cachefiles} ; do
pkg=$(basename "$pkg" .pkg)
destroy_cache_entry "enforcing cache size limit"
done
fi
}
#
# Request a list of available targets on the server.
#
list_targets() {
echo "Connecting..."
if [ "$http_client" = "wget" ] ; then
reply=$(do_retry $wget --post-data="suid=${suid}" -O - https://${server}/targets.php)
else
reply=$(do_retry $curl -d suid="$suid" https://${server}/targets.php)
fi
if [ $? -ne 0 ] ; then
echo "Unable to list targets. Check connectivity and username/password."
exit 1
fi
echo
echo "Available targets for this user:"
echo "$reply"
echo
}
#
# Request the latest package name from the server, for a given
# target. Used to validate cache entry freshness.
#
get_latest() {
echo "Checking for latest release..."
if [ "$http_client" = "wget" ] ; then
latest_pkg=$(do_retry $wget --post-data="target-config=${target}&suid=${suid}" -O - https://${server}/latest.php)
else
latest_pkg=$(do_retry $curl -d target-config="$target" https://${server}/latest.php)
fi
if [ $? -ne 0 ] ; then
echo "Unable to get latest release. Check connectivity and username/password."
exit 1
fi
if [ "$latest_pkg" = "FAIL" -o -z "$latest_pkg" ] ; then
echo "Unable to get latest release for this target."
echo "Use '-a --target list' to get valid targets."
exit 1
fi
echo "Latest release is ${latest_pkg}"
}
#
# Randomly pick a live Autobuild server to use.
#
select_server() {
# for addr in `shuf -e $autobuild_addrs`; do
local status
local result
for addr in $autobuild_addrs; do
echo "Trying $addr ..." >&2
if [ "$http_client" = "wget" ] ; then
result=$($wget -O - --connect-timeout=15 "https://${addr}/node_select.php")
else
result=$($curl --connect-timeout 15 "https://${addr}/node_select.php")
fi
status=$?
[ $status -eq 0 ] && break
done
echo "$result"
return $status
}
#
# Find out if wget or curl is available, and ask for
# credentials if they haven't been supplied.
# Pick a live Autobuild server to use.
#
check_http_client() {
while [ -z "$username" ] ; do
echo -n "Please enter your username: "
read username
done
while [ -z "$password" ] ; do
oldstty=$(stty -g)
echo -n "Please enter your password: "
stty -echo
read password
stty "$oldstty"
echo