From f140a1642ebfde198946ad6760c1003c1cb9a8c3 Mon Sep 17 00:00:00 2001
From: Rasmus Steinke <rasi@xssn.at>
Date: Sat, 11 Aug 2012 02:40:34 +0200
Subject: scripts

---
 bin/finddep.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 bin/finddep.sh

(limited to 'bin/finddep.sh')

diff --git a/bin/finddep.sh b/bin/finddep.sh
new file mode 100755
index 0000000..bfad7c0
--- /dev/null
+++ b/bin/finddep.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+if [[ -z $1 ]]; then
+  echo "$(basename "$0") <package file>"
+  exit 1
+fi
+
+tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)
+trap "rm -rf '$tmpdir'" EXIT INT TERM
+
+tar -C $tmpdir -xf "$1"
+
+cd $tmpdir
+
+in_array() {
+	local needle=$1; shift
+	[[ -z $1 ]] && return 1 # Not Found
+	local item
+	for item in "$@"; do
+	[[ $item = $needle ]] && return 0 # Found
+	done
+	return 1 # Not Found
+}
+
+find . -type f -perm -u+x | while read filename; do
+	# get architecture of the file; if soarch is empty it's not an ELF binary
+	soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 's/.*Class.*ELF\(32\|64\)/\1/p')
+	[ -n "$soarch" ] || continue
+	# 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
+		# extract the library name: libfoo.so
+		soname="${sofile%%\.so\.*}.so"
+		# extract the major version: 1
+		soversion="${sofile##*\.so\.}"
+		if ! in_array "${soname}=${soversion}-${soarch}" ${sodepends[@]}; then
+			# libfoo.so=1-64
+			echo "${soname}=${soversion}-${soarch}"
+			sodepends=(${sodepends[@]} "${soname}=${soversion}-${soarch}")
+		fi
+	done
+done
-- 
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