ldconfig: Do not remove stale symbolic links with -X [BZ #19610]

1 files changed, 62 insertions, 0 deletions

diff --git a/elf/tst-ldconfig-X.sh b/elf/tst-ldconfig-X.sh
new file mode 100644
index 0000000000..0c122a5210
--- /dev/null
+++ b/elf/tst-ldconfig-X.sh
@@ -0,0 +1,62 @@
+#!/bin/sh
+# Test that ldconfig -X does not remove stale symbolic links.
+# Copyright (C) 2000-2016 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
+
+set -ex
+
+common_objpfx=$1
+test_wrapper_env=$2
+run_program_env=$3
+
+testroot="${common_objpfx}elf/bug19610-test-directory"
+cleanup () {
+    rm -rf "$testroot"
+}
+trap cleanup 0
+
+rm -rf "$testroot"
+mkdir -p $testroot/lib $testroot/etc
+
+# Relative symbolic link target.
+ln -s libdoesnotexist.so.1.1 $testroot/lib/libdoesnotexist.so.1
+
+# Absolute symbolic link target.
+ln -s $testroot/opt/sw/lib/libdoesnotexist2.so.1.1 $testroot/lib/
+
+errors=0
+check_files () {
+    for name in libdoesnotexist.so.1 libdoesnotexist2.so.1.1 ; do
+	path="$testroot/lib/$name"
+	if test ! -h $path ; then
+	    echo "error: missing file: $path"
+	    errors=1
+	fi
+    done
+}
+
+check_files
+
+${test_wrapper_env} \
+${run_program_env} \
+${common_objpfx}elf/ldconfig -X -f /dev/null \
+  -C $testroot/etc/ld.so.cache \
+  $testroot/lib
+
+check_files
+
+exit $errors