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54 lines
1.7 KiB
Awk
54 lines
1.7 KiB
Awk
# Verify that all shared objects contain the CET property.
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# Copyright (C) 2018-2024 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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#
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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# This awk script expects to get command-line files that are each
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# the output of 'readelf -n' on a single shared object.
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# It exits successfully (0) if all of them contained the CET property.
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# It fails (1) if any didn't contain the CET property
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# It fails (2) if the input did not take the expected form.
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BEGIN { result = cet = sanity = 0 }
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function check_one(name) {
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if (!sanity) {
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print name ": *** input did not look like readelf -n output";
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result = 2;
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} else if (cet) {
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print name ": OK";
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} else {
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print name ": *** no CET property found";
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result = result ? result : 1;
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}
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cet = sanity = 0;
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}
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FILENAME != lastfile {
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if (lastfile)
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check_one(lastfile);
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lastfile = FILENAME;
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}
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index ($0, "Displaying notes") != 0 { sanity = 1 }
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index ($0, "IBT") != 0 && index ($0, "SHSTK") != 0 { cet = 1 }
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END {
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check_one(lastfile);
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exit(result);
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}
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