1 files changed, 40 insertions, 0 deletions
diff --git a/fake-su.sh b/fake-su.sh
new file mode 100755
index 000000000000..dfa57878d29d
--- /dev/null
+++ b/fake-su.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+# fake-su
+
+cmd=""
+shell="/bin/sh"
+
+while [ $# -gt 0 ]; do
+    case "$1" in
+        -h|--help)
+		echo "usage: $0 [-l] [-] [<user> [<arg>...]]"
+		exit 0
+		;;
+        -|-l|--login) 
+		shell="$shell -"; shift
+		;;
+        -c|--command)
+		cmd="$2"; shift 2
+		;;
+        --)     
+		shift
+		break
+		;;
+        -*)     
+		echo "$0: invalid option: $1" >&2
+		exit 1
+		;;
+        *)      
+		echo "$0: ignoring user=$1" >&2
+		shift
+		break
+		;;
+    esac
+done
+
+if [ -z "$cmd" ]
+then
+   exec unshare -r -- "$shell" "$@"
+else
+   exec unshare -r -- "$shell" -c "$cmd" "$@"
+fi