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#!/usr/bin/env bash
#
# Copyright (C) 2019-2021 Red Hat, Inc.
# This file is part of elfutils.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# elfutils 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. $srcdir/debuginfod-subr.sh
# for test case debugging, uncomment:
set -x
unset VALGRIND_CMD
# This variable is essential and ensures no time-race for claiming ports occurs
# set base to a unique multiple of 100 not used in any other 'run-debuginfod-*' test
base=9200
# find an unused port number
get_ports
DB=${PWD}/.debuginfod_tmp.sqlite
tempfiles $DB
export DEBUGINFOD_CACHE_PATH=${PWD}/.client_cache
mkdir F
mkdir -p $DEBUGINFOD_CACHE_PATH
env LD_LIBRARY_PATH=$ldpath DEBUGINFOD_URLS= ${abs_builddir}/../debuginfod/debuginfod $VERBOSE -F -p $PORT1 -d $DB \
-t0 -g0 -v F > vlog$PORT1 2>&1 &
PID1=$!
tempfiles vlog$PORT1
errfiles vlog$PORT1
# Server must become ready
wait_ready $PORT1 'ready' 1
# And an initial scan should be done
wait_ready $PORT1 'thread_work_total{role="traverse"}' 1
export DEBUGINFOD_URLS=http://127.0.0.1:$PORT1/ # or without trailing /
# Check thread comm names
ps -q $PID1 -e -L -o '%p %c %a' | grep groom
ps -q $PID1 -e -L -o '%p %c %a' | grep scan
ps -q $PID1 -e -L -o '%p %c %a' | grep traverse
# We use -t0 and -g0 here to turn off time-based scanning & grooming.
# For testing purposes, we just sic SIGUSR1 / SIGUSR2 at the process.
########################################################################
# Compile a simple program, strip its debuginfo and save the build-id.
# Also move the debuginfo into another directory so that elfutils
# cannot find it without debuginfod.
echo "int main() { return 0; }" > ${PWD}/p+r%o\$g.c
tempfiles p+r%o\$g.c
# Create a subdirectory to confound source path names
mkdir foobar
gcc -Wl,--build-id -g -o p+r%o\$g ${PWD}/foobar///./../p+r%o\$g.c
testrun ${abs_top_builddir}/src/strip -g -f p+r%o\$g.debug ${PWD}/p+r%o\$g
BUILDID=`env LD_LIBRARY_PATH=$ldpath ${abs_builddir}/../src/readelf \
-a p+r%o\\$g | grep 'Build ID' | cut -d ' ' -f 7`
mv p+r%o\$g F
mv p+r%o\$g.debug F
kill -USR1 $PID1
# Wait till both files are in the index.
wait_ready $PORT1 'thread_work_total{role="traverse"}' 2
wait_ready $PORT1 'thread_work_pending{role="scan"}' 0
wait_ready $PORT1 'thread_busy{role="scan"}' 0
########################################################################
# Add some files to the cache that do not fit its naming format.
# They should survive cache cleaning.
mkdir $DEBUGINFOD_CACHE_PATH/malformed
touch $DEBUGINFOD_CACHE_PATH/malformed0
touch $DEBUGINFOD_CACHE_PATH/malformed/malformed1
# A valid format for an empty buildid subdirectory
mkdir $DEBUGINFOD_CACHE_PATH/00000000
touch -d '1970-01-01' $DEBUGINFOD_CACHE_PATH/00000000 # old enough to guarantee nukage
# Trigger a cache clean and run the tests again. The clients should be unable to
# find the target.
echo 0 > $DEBUGINFOD_CACHE_PATH/cache_clean_interval_s
echo 0 > $DEBUGINFOD_CACHE_PATH/max_unused_age_s
testrun ${abs_builddir}/debuginfod_build_id_find -e F/p+r%o\$g 1
testrun ${abs_top_builddir}/debuginfod/debuginfod-find debuginfo $BUILDID && false || true
if [ ! -f $DEBUGINFOD_CACHE_PATH/malformed0 ] \
|| [ ! -f $DEBUGINFOD_CACHE_PATH/malformed/malformed1 ]; then
echo "unrelated files did not survive cache cleaning"
err
fi
if [ -d $DEBUGINFOD_CACHE_PATH/00000000 ]; then
echo "failed to rmdir old cache dir"
err
fi
kill $PID1
wait $PID1
PID1=0
exit 0
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