1 files changed, 51 insertions, 0 deletions
diff --git a/tests/shared-rpath.sh b/tests/shared-rpath.sh
new file mode 100755
index 0000000..8e6e26f
--- /dev/null
+++ b/tests/shared-rpath.sh
@@ -0,0 +1,51 @@
+#! /bin/sh -e
+
+PATCHELF=$(readlink -f "../src/patchelf")
+SCRATCH="scratch/$(basename "$0" .sh)"
+READELF=${READELF:-readelf}
+
+LIB_NAME="${PWD}/libshared-rpath.so"
+
+rm -rf "${SCRATCH}"
+mkdir -p "${SCRATCH}"
+cd "${SCRATCH}"
+
+has_x() {
+    strings "$1" | grep -c "XXXXXXXX"
+}
+
+nm -D "${LIB_NAME}" | grep a_symbol_name
+previous_cnt="$(strings "${LIB_NAME}" | grep -c a_symbol_name)"
+
+echo "#### Number of a_symbol_name strings in the library: $previous_cnt"
+
+echo "#### Rename the rpath to something larger than the original"
+# Pathelf should detect that the rpath string is shared with the symbol name string and avoid
+# tainting the string with Xs
+"${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original  --output liblarge-rpath.so "${LIB_NAME}"
+
+echo "#### Checking symbol is still there"
+nm -D liblarge-rpath.so | grep a_symbol_name
+
+echo "#### Checking there are no Xs"
+[ "$(has_x liblarge-rpath.so)" -eq 0 ] || exit 1
+
+current_cnt="$(strings liblarge-rpath.so | grep -c a_symbol_name)"
+echo "#### Number of a_symbol_name strings in the modified library: $current_cnt"
+[ "$current_cnt" -eq "$previous_cnt" ] || exit 1
+
+echo "#### Rename the rpath to something shorter than the original"
+# Pathelf should detect that the rpath string is shared with the symbol name string and avoid
+# overwriting the existing string
+"${PATCHELF}" --set-rpath shrt_rpth  --output libshort-rpath.so "${LIB_NAME}"
+
+echo "#### Checking symbol is still there"
+nm -D libshort-rpath.so | grep a_symbol_name
+
+echo "#### Number of a_symbol_name strings in the modified library: $current_cnt"
+current_cnt="$(strings libshort-rpath.so | grep -c a_symbol_name)"
+[ "$current_cnt" -eq "$previous_cnt" ] || exit 1
+
+echo "#### Now liblarge-rpath.so should have its own rpath, so it should be allowed to taint it"
+"${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original__even_larger  --output liblarge-rpath2.so liblarge-rpath.so
+[ "$(has_x liblarge-rpath2.so)" -eq 1 ] || exit 1