mirror of
https://github.com/NixOS/patchelf.git
synced 2025-10-18 09:01:23 +08:00
53 lines
2.0 KiB
Bash
Executable File
53 lines
2.0 KiB
Bash
Executable File
#! /bin/sh -e
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PATCHELF=$(readlink -f "../src/patchelf")
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SCRATCH="scratch/$(basename "$0" .sh)"
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NM=${NM:-nm}
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STRINGS=${STRINGS:-strings}
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LIB_NAME="${PWD}/libshared-rpath.so"
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rm -rf "${SCRATCH}"
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mkdir -p "${SCRATCH}"
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cd "${SCRATCH}"
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has_x() {
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${STRINGS} "$1" | grep -c "XXXXXXXX"
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}
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${NM} -D "${LIB_NAME}" | grep a_symbol_name
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previous_cnt="$(${STRINGS} "${LIB_NAME}" | grep -c a_symbol_name)"
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echo "#### Number of a_symbol_name strings in the library: $previous_cnt"
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echo "#### Rename the rpath to something larger than the original"
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# Pathelf should detect that the rpath string is shared with the symbol name string and avoid
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# tainting the string with Xs
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"${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original --output liblarge-rpath.so "${LIB_NAME}"
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echo "#### Checking symbol is still there"
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${NM} -D liblarge-rpath.so | grep a_symbol_name
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echo "#### Checking there are no Xs"
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[ "$(has_x liblarge-rpath.so)" -eq 0 ] || exit 1
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current_cnt="$(${STRINGS} liblarge-rpath.so | grep -c a_symbol_name)"
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echo "#### Number of a_symbol_name strings in the modified library: $current_cnt"
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[ "$current_cnt" -eq "$previous_cnt" ] || exit 1
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echo "#### Rename the rpath to something shorter than the original"
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# Pathelf should detect that the rpath string is shared with the symbol name string and avoid
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# overwriting the existing string
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"${PATCHELF}" --set-rpath shrt_rpth --output libshort-rpath.so "${LIB_NAME}"
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echo "#### Checking symbol is still there"
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${NM} -D libshort-rpath.so | grep a_symbol_name
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echo "#### Number of a_symbol_name strings in the modified library: $current_cnt"
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current_cnt="$(${STRINGS} libshort-rpath.so | grep -c a_symbol_name)"
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[ "$current_cnt" -eq "$previous_cnt" ] || exit 1
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echo "#### Now liblarge-rpath.so should have its own rpath, so it should be allowed to taint it"
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"${PATCHELF}" --set-rpath a_very_big_rpath_that_is_larger_than_original__even_larger --output liblarge-rpath2.so liblarge-rpath.so
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[ "$(has_x liblarge-rpath2.so)" -eq 1 ] || exit 1
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