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