128 lines
3.7 KiB
Bash
Executable file
128 lines
3.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Start clixon backend as root and unprivileged user (clicon)
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# Drop privileges from root to clicon
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# Test could do more:
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# - test file ownership
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# - drop_temp check if you can restore
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# Magic line must be first in script (see README.md)
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s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
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APPNAME=example
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cfg=$dir/conf_startup.xml
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if [ $valgrindtest -ne 0 ]; then
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echo "...skipped "
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return 0 # skip
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fi
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# Here $dir is created by the user that runs the script
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cat <<EOF > $cfg
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<clixon-config xmlns="http://clicon.org/config">
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<CLICON_CONFIGFILE>$cfg</CLICON_CONFIGFILE>
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<CLICON_YANG_DIR>/usr/local/share/clixon</CLICON_YANG_DIR>
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<CLICON_YANG_MODULE_MAIN>clixon-example</CLICON_YANG_MODULE_MAIN>
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<CLICON_SOCK>$dir/$APPNAME.sock</CLICON_SOCK>
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<CLICON_BACKEND_PIDFILE>/var/tmp/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
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<CLICON_XMLDB_DIR>$dir</CLICON_XMLDB_DIR>
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</clixon-config>
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EOF
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# Create a pre-set running, startup and (extra) config.
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# The configs are identified by an interface called run, startup, extra.
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# Depending on startup mode (init, none, running, or startup)
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# expect different output of an initial get-config of running
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# Arguments:
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# 1: startuser: Start backend as this user
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# 2: backend user: Drop to this after initial run as startuser
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# 3: expected user: Expected user after drop (or no drop then startuser)
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# 4: privileged mode (none, drop_perm, drop_temp)
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# 5: expect error: 0 or 1
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testrun(){
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startuser=$1
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beuser=$2
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expectuser=$3
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priv_mode=$4
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expecterr=$5
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# change owner (recursively) of all files in the test dir
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sudo chown -R $startuser $dir
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# change group (recursively) of all files in the test dir
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sudo chgrp -R $startuser $dir
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# kill old backend (if any)
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new "kill old backend"
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sudo clixon_backend -zf $cfg
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if [ $? -ne 0 ]; then
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err
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fi
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# Kill all backends regardless of user or pid files (we mess with them in this test)
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sudo pkill clixon_backend
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# start backend as user
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new "start backend -f $cfg -s init -D $DBG -o CLICON_BACKEND_PRIVILEGES=$priv_mode -o CLICON_BACKEND_USER=$beuser"
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sudo -u $startuser $clixon_backend -f $cfg -s init -D $DBG -o CLICON_BACKEND_PRIVILEGES=$priv_mode -o CLICON_BACKEND_USER=$beuser
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if [ $? -ne 0 ]; then
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err
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fi
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sleep 1 # wait for backend to exit
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pid=$(pgrep -f clixon_backend)
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if [ $? -ne 0 ]; then
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if [ $expecterr -eq 1 ]; then
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return 0
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fi
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err
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fi
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new "waiting"
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wait_backend
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if [ $expecterr -eq 1 ]; then
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err "Expected error"
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fi
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# Get uid now, and compare with expected user (tail to skip hdr)
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u=$(ps -p $pid -u | tail -1 | awk '{print $1}')
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if [ $u != $expectuser ]; then
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err "$expectuser but user is $u"
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fi
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new "Kill backend"
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# Check if premature kill
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pid=$(pgrep -f clixon_backend)
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if [ -z "$pid" ]; then
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err "backend already dead"
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fi
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# kill backend
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stop_backend -f $cfg
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} # testrun
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new "Start as non-privileged user, expect same"
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testrun $BUSER $BUSER $BUSER none 0
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new "Start as privileged user , expect same"
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testrun root root root none 0
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new "Start as privileged user, drop privileges permanent"
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testrun root $BUSER $BUSER drop_perm 0
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new "Start as privileged user, drop privileges temporary"
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testrun root $BUSER $BUSER drop_temp 0
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new "Start as root, drop to root (strange usecase)"
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testrun root root root drop_perm 0
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new "Start as root, drop to root (strange usecase)"
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testrun root root root drop_perm 0
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new "Start as root, set user but dont drop (expect still root)"
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testrun root $BUSER root none 0
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new "Start as non-privileged, try to drop (but fail)"
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testrun $(whoami) $BUSER $BUSER drop_perm 1
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sudo rm -rf $dir
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