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Fix ldso configuration parsing for musl binaries #9

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Fix ldso configuration parsing for musl binaries #9

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52 changes: 30 additions & 22 deletions lddtree.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,7 @@ c_ldso_paths_loaded='false'
find_elf() {
_find_elf=''

local elf=$1 needed_by=$2
local interp elf=$1 needed_by=$2
if [ "${elf}" != "${elf##*/}" ] && [ -e "${elf}" ] ; then
_find_elf=${elf}
return 0
Expand Down Expand Up @@ -151,28 +151,36 @@ find_elf() {
if ! ${c_ldso_paths_loaded} ; then
c_ldso_paths_loaded='true'
c_ldso_paths=
if [ -r ${ROOT}etc/ld.so.conf ] ; then
read_ldso_conf() {
local line p
for p ; do
# if the glob didnt match anything #360041,
# or the files arent readable, skip it
[ -r "${p}" ] || continue
while read line ; do
case ${line} in
"#"*) ;;
"include "*) read_ldso_conf ${line#* } ;;
*) c_ldso_paths="$c_ldso_paths:${ROOT}${line#/}";;
esac
done <"${p}"
done
}
# the 'include' command is relative
local _oldpwd="$PWD"
cd "$ROOT"etc >/dev/null
read_ldso_conf() {
local line p
for p ; do
# if the glob didnt match anything #360041,
# or the files arent readable, skip it
[ -r "${p}" ] || continue
while read line ; do
case ${line} in
"#"*) ;;
"include "*) read_ldso_conf ${line#* } ;;
*) c_ldso_paths="$c_ldso_paths:${ROOT}${line#/}";;
esac
done <"${p}"
done
}
# the 'include' command is relative
local _oldpwd="$PWD"
cd "$ROOT"etc >/dev/null
interp=$(elf_interp "${needed_by}")
case "$interp" in
*/ld-musl-*)
musl_arch=${interp%.so*}
musl_arch=${musl_arch##*-}
read_ldso_conf "${ROOT}"etc/ld-musl-${musl_arch}.path
;;
*/ld-linux*|*/ld.so*) # glibc
read_ldso_conf "${ROOT}"etc/ld.so.conf
cd "$_oldpwd"
fi
;;
esac
cd "$_oldpwd"
fi
if [ -n "${c_ldso_paths}" ] ; then
check_paths "${elf}" "${c_ldso_paths}" && return 0
Expand Down