#!/bin/bash # License: Unspecified m4_include(lib/common.sh) set -e shopt -s extglob IGNORE_INTERNAL=0 if [[ $1 = "--ignore-internal" ]]; then IGNORE_INTERNAL=1 shift fi script_mode=${0##*/find-lib} case $script_mode in deps|provides) true;; *) die "Unknown mode %s" "$script_mode" ;; esac if [[ -z $1 ]]; then echo "${0##*/} [options] <package file|extracted package dir>" echo "Options:" echo " --ignore-internal ignore internal libraries" exit 1 fi if [[ -d $1 ]]; then pushd "$1" >/dev/null else setup_workdir case ${script_mode} in deps) bsdtar -C "$WORKDIR" -xf "$1";; provides) bsdtar -C "$WORKDIR" -xf "$1" --include="*.so*";; esac pushd "$WORKDIR" >/dev/null fi process_sofile() { # extract the library name: libfoo.so soname="${sofile%.so?(+(.+([0-9])))}".so # extract the major version: 1 soversion="${sofile##*\.so\.}" if [[ "$soversion" = "$sofile" ]] && ((IGNORE_INTERNAL)); then continue fi if ! in_array "${soname}=${soversion}-${soarch}" "${soobjects[@]}"; then # libfoo.so=1-64 echo "${soname}=${soversion}-${soarch}" soobjects+=("${soname}=${soversion}-${soarch}") fi } case $script_mode in deps) find_args=(-perm -u+x);; provides) find_args=(-name '*.so*');; esac find . -type f "${find_args[@]}" | while read -r filename; do if [[ $script_mode = "provides" ]]; then # ignore if we don't have a shared object if ! LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q '.*Type:.*DYN (Shared object file).*'; then continue fi fi # get architecture of the file; if soarch is empty it's not an ELF binary soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p') [[ -n $soarch ]] || continue if [[ $script_mode = "provides" ]]; then # get the string binaries link to: libfoo.so.1.2 -> libfoo.so.1 sofile=$(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -n 's/.*Library soname: \[\(.*\)\].*/\1/p') [[ -z $sofile ]] && sofile="${filename##*/}" process_sofile elif [[ $script_mode = "deps" ]]; then # process all libraries needed by the binary for sofile in $(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'); do process_sofile done fi done popd >/dev/null