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|
auto_modules ()
{
aliases="$(find /sys/devices/ -name modalias -exec cat {} +)"
mods=""
for a in $aliases; do
m="$(resolve-modalias "/lib/modules/${KERNELVERSION}/modules.alias" "$a")"
[ -n "$m" ] && mods="$mods $m"
done
echo "${mods}" | sed 's|-|_|g'
[ -z "${mods}" ] && return 1
return 0
}
all_modules ()
{
mods=$(find ${MODULEDIR} -name '*.ko' 2>/dev/null | grep $@ | sort -u)
echo "${mods}"
[ -z "${mods}" ] && return 1
return 0
}
checked_modules ()
{
if [ -e "${MODULE_FILE}" ]; then
for mod in $(all_modules $@); do
modname="$(basename ${mod%%\.ko} | sed 's|-|_|g')"
if grep "^${modname}$" "${MODULE_FILE}" >/dev/null 2>&1; then
echo ${modname}
fi
done
return 1
else
all_modules ${@}
fi
}
msg () { [ "${QUIET}" = "n" ] && echo $@; }
err () { echo "ERROR: $@" >&2; }
die () { echo "FATAL: $@" >&2; cleanup; exit 1; }
add_full_dir ()
{
if [ -n "${1}" -a -d "${1}" ]; then
for f in ${1}/*; do
if [ -d "${f}" ]; then
add_full_dir "${f}"
else
add_file "${f}"
fi
done
fi
}
add_dir ()
{
#skip root directory and "." for relative directories... i.e. /foo/bar/./blah
if [ -n "${1}" -a "${1}" != "/" -a "${1}" != "." ]; then
if ! grep "dir ${1} " "${FILELIST}" 2>&1 > /dev/null; then
add_dir $(dirname "${1}")
msg " adding dir ${1}"
echo "dir ${1} 755 0 0" >> "${FILELIST}"
fi
fi
}
# add_device /dev/foo type major minor [permissions]
add_device ()
{
if [ $# -ge 4 ]; then
local perms
perms="${5:-644}"
if ! grep "nod ${1}" "${FILELIST}" 2>&1 > /dev/null; then
add_dir $(dirname "${1}")
msg " adding node ${1}"
echo "nod ${1} ${perms} 0 0 ${2} ${3} ${4}" >> "${FILELIST}"
fi
else
err "invalid device node format: $@"
return 1
fi
}
# what the hell does this do?
add_symlink ()
{
local fil dest dir
if [ -L ${1} ]; then
fil="${1##$BASEDIR}"
dest="${2##$BASEDIR}"
add_dir $(dirname "${dest}")
add_dir $(dirname "${fil}")
if ! grep "slink ${dest} " "${FILELIST}" 2>&1 > /dev/null; then
msg " adding link ${fil} -> ${dest}"
echo "slink ${fil} ${dest} $(stat -c '%a' ${1}) 0 0" >> "${FILELIST}"
fi
fi
#fail quietly
}
add_symlink2 ()
{
add_dir $(dirname ${1})
add_dir $(dirname ${2})
if ! grep -q "slink ${1} " "${FILELIST}" 2>&1 >/dev/null; then
msg " adding link ${1} -> ${2}"
echo "slink ${1} ${2} 777 0 0" >> "${FILELIST}"
fi
}
add_file ()
{
local fil lnk dir dest
if [ -f "${1}" ]; then
fil="${1}"
lnk=$(readlink -f "${fil}")
if [ -n "${lnk}" ]; then
add_symlink "${fil}" "${lnk}"
fil="${lnk}"
fi
if [ $# -eq 2 ]; then
dest="${2}"
else
dest="${fil##$BASEDIR}"
if [ "${dest:0:1}" != "/" ]; then
dest="/${dest}"
fi
fi
add_dir $(dirname "${dest}")
if ! grep "file ${dest} " "${FILELIST}" 2>&1 > /dev/null; then
msg " adding file ${dest}"
echo "file ${dest} ${fil} $(stat -c '%a' ${fil}) 0 0" >> "${FILELIST}"
fi
else
err "file '${1}' does not exist"
return 1
fi
}
HAS_MODULES="n"
#modules are handled specially in order to enable autodetection
add_module ()
{
local fil path mod deps
#cleanup - remove .ko, replace - and _ with [-_] to match either
fil=$(basename "${1}" | sed -e "s|[-_]|\[-_\]|g" -e "s|\.ko$||g")
found=0
for path in $(find "${MODULEDIR}" -type f -name "${fil}.ko"); do
for mod in $(/sbin/modinfo -F depends "${path}" | tr ',' ' '); do
if [ -n "${mod}" ]; then
add_module "${mod}"
fi
done
HAS_MODULES="y"
add_file "${path}" && found=1
done
if [ ${found} -eq 0 ]; then
err "module '$fil' not found"
fi
}
add_binary ()
{
local bin dest type lib
bin=$(which "${1}")
if [ $? -ne 0 ]; then
bin="${1}"
fi
dest=""
if [ $# -eq 2 ]; then
dest=${2}
fi
if [ ! -f "${bin}" ]; then
err "'${bin}' is not a file"
return 1
fi
if [ $? -eq 0 ]; then
type=$(file -b "${bin}")
case "${type}" in
*script*)
msg " adding '${type}' script, ensure proper interp exists..."
add_file "${bin}" ${dest}
;;
*executable*|*shared\ object*|*symbolic\ link*)
add_file "${bin}" ${dest}
#note, this will also handle 'not a dynamic executable' spit out by
# static binaries... the deps will produce nothing
for lib in $(ldd ${bin} 2>/dev/null | sed "s|.*=>\(.*\)|\1|"); do
if [ -n "${lib}" ]; then
#remove TLS libraries
notls=$(echo ${lib} | sed 's|/lib/tls.*/\(lib.*\)|/lib/\1|')
[ -e "${notls}" ] && lib="${notls}"
[ -f "${lib}" ] && add_file "${lib}"
fi
done
;;
*)
err "unknown type '${type}' for binary '${bin}'"
return 1
;;
esac
fi
}
parse_hook ()
{
local mod bin fil
for mod in ${MODULES}; do
if [ -n "${mod}" ]; then
add_module "${mod}"
fi
done
for bin in ${BINARIES}; do
if [ -n "${bin}" ]; then
add_binary "${bin}"
fi
done
for fil in ${FILES}; do
if [ -n "${fil}" ]; then
add_file "${fil}"
fi
done
if [ -n "${SCRIPT}" ]; then
add_file "${HOOKDIR}/${SCRIPT}" "/hooks/${SCRIPT}"
fi
}
# vim: set ft=sh ts=4 sw=4 et:
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