211 lines
7.8 KiB
Bash
Executable file
211 lines
7.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Authentication and authorization and IETF NACM
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# See RFC 8341 A.2
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# But replaced ietf-netconf-monitoring with *
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# Note:
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# 1. credenials check set to none since USER poses as different users.
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# 2. CLICON_NACM_DISABLE_ON_EMPTY: start with empty config and add nacm config
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# Magic line must be first in script (see README.md)
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s="$_" ; . ./lib.sh || if [ "$s" = $0 ]; then exit 0; else return 0; fi
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APPNAME=example
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# Common NACM scripts
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. ./nacm.sh
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cfg=$dir/conf_yang.xml
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fyang=$dir/nacm-example.yang
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# Define default restconfig config: RESTCONFIG
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restconf_config user
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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_DIR>$IETFRFC</CLICON_YANG_DIR>
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<CLICON_YANG_MAIN_FILE>$fyang</CLICON_YANG_MAIN_FILE>
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<CLICON_CLISPEC_DIR>/usr/local/lib/$APPNAME/clispec</CLICON_CLISPEC_DIR>
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<CLICON_RESTCONF_DIR>/usr/local/lib/$APPNAME/restconf</CLICON_RESTCONF_DIR>
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<CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
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<CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
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<CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
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<CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
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<CLICON_BACKEND_PIDFILE>/usr/local/var/$APPNAME/$APPNAME.pidfile</CLICON_BACKEND_PIDFILE>
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<CLICON_XMLDB_DIR>/usr/local/var/$APPNAME</CLICON_XMLDB_DIR>
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<CLICON_RESTCONF_PRETTY>false</CLICON_RESTCONF_PRETTY>
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<CLICON_NACM_MODE>internal</CLICON_NACM_MODE>
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<CLICON_NACM_DISABLED_ON_EMPTY>true</CLICON_NACM_DISABLED_ON_EMPTY>
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$RESTCONFIG
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</clixon-config>
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EOF
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cat <<EOF > $fyang
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module nacm-example{
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yang-version 1.1;
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namespace "urn:example:nacm";
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prefix nex;
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import clixon-example {
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prefix ex;
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}
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import ietf-netconf-acm {
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prefix nacm;
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}
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leaf x{
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type int32;
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description "something to edit";
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}
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}
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EOF
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# The groups are slightly modified from RFC8341 A.1
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# The rule-list is from A.2
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RULES=$(cat <<EOF
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<nacm xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-acm">
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<enable-nacm>false</enable-nacm>
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<read-default>permit</read-default>
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<write-default>deny</write-default>
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<exec-default>deny</exec-default>
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$NGROUPS
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<rule-list>
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<name>guest-acl</name>
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<group>guest</group>
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<rule>
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<name>deny-ncm</name>
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<module-name>*</module-name>
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<access-operations>*</access-operations>
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<action>deny</action>
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<comment>
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Do not allow guests any access to the NETCONF
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monitoring information.
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</comment>
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</rule>
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</rule-list>
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<rule-list>
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<name>limited-acl</name>
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<group>limited</group>
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<rule>
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<name>permit-get</name>
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<rpc-name>get</rpc-name>
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<module-name>*</module-name>
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<access-operations>exec</access-operations>
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<action>permit</action>
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<comment>
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Allow get
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</comment>
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</rule>
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<rule>
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<name>permit-get-config</name>
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<rpc-name>get-config</rpc-name>
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<module-name>*</module-name>
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<access-operations>exec</access-operations>
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<action>permit</action>
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<comment>
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Allow get-config
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</comment>
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</rule>
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</rule-list>
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$NADMIN
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</nacm>
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<x xmlns="urn:example:nacm">0</x>
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EOF
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)
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new "test params: -f $cfg"
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if [ $BE -ne 0 ]; then
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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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new "start backend -s init -f $cfg"
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start_backend -s init -f $cfg
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fi
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new "waiting"
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wait_backend
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if [ $RC -ne 0 ]; then
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new "kill old restconf daemon"
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stop_restconf_pre
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new "start restconf daemon"
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start_restconf -f $cfg
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new "waiting"
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wait_restconf
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fi
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new "auth get"
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expectpart "$(curl -u andy:bar $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 404 Not Found" '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"invalid-value","error-severity":"error","error-message":"Instance does not exist"}}}'
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# explicitly disable nacm (regression on netgate bug)
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new "disable nacm"
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expectpart "$(curl -u andy:bar $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" -d '{"ietf-netconf-acm:enable-nacm": false}' $RCPROTO://localhost/restconf/data/ietf-netconf-acm:nacm/enable-nacm)" 0 "HTTP/1.1 201 Created"
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new "auth set authentication config"
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expecteof "$clixon_netconf -qf $cfg" 0 "<rpc $DEFAULTNS><edit-config><target><candidate/></target><config>$RULES</config></edit-config></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><ok/></rpc-reply>]]>]]>$"
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new "commit it"
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expecteof "$clixon_netconf -qf $cfg" 0 "<rpc $DEFAULTNS><commit/></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><ok/></rpc-reply>]]>]]>$"
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new "auth get (no user: access denied)"
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expectpart "$(curl $CURLOPTS -X GET -H \"Accept:\ application/yang-data+json\" $RCPROTO://localhost/restconf/data)" 0 "HTTP/1.1 401 Unauthorized" '{"ietf-restconf:errors":{"error":{"error-type":"protocol","error-tag":"access-denied","error-severity":"error","error-message":"The requested URL was unauthorized"}}}
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'
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new "auth get (wrong passwd: access denied)"
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expectpart "$(curl -u andy:foo $CURLOPTS -X GET $RCPROTO://localhost/restconf/data)" 0 "HTTP/1.1 401 Unauthorized" '{"ietf-restconf:errors":{"error":{"error-type":"protocol","error-tag":"access-denied","error-severity":"error","error-message":"The requested URL was unauthorized"}}}'
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new "auth get (access)"
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expectpart "$(curl -u andy:bar $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 200 OK" '{"nacm-example:x":0}'
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#----------------Enable NACM
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new "enable nacm"
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expectpart "$(curl -u andy:bar $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" -d '{"ietf-netconf-acm:enable-nacm": true}' $RCPROTO://localhost/restconf/data/ietf-netconf-acm:nacm/enable-nacm)" 0 "HTTP/1.1 204 No Content"
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new "admin get nacm"
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expectpart "$(curl -u andy:bar $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 200 OK" '{"nacm-example:x":0}'
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new "limited get nacm"
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expectpart "$(curl -u wilma:bar $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 200 OK" '{"nacm-example:x":0}'
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new "guest get nacm"
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expectpart "$(curl -u guest:bar $CURLOPTS -X GET $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 403 Forbidden" '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"access denied"}}}'
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new "admin edit nacm"
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expectpart "$(curl -u andy:bar $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" -d '{"nacm-example:x":1}' $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 204 No Content"
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new "limited edit nacm"
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expectpart "$(curl -u wilma:bar $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" -d '{"nacm-example:x": 2}' $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 403 Forbidden" '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"default deny"}}}'
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new "guest edit nacm"
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expectpart "$(curl -u guest:bar $CURLOPTS -X PUT -H "Content-Type: application/yang-data+json" -d '{"nacm-example:x": 3}' $RCPROTO://localhost/restconf/data/nacm-example:x)" 0 "HTTP/1.1 403 Forbidden" '{"ietf-restconf:errors":{"error":{"error-type":"application","error-tag":"access-denied","error-severity":"error","error-message":"access denied"}}}'
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if [ $RC -ne 0 ]; then
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new "Kill restconf daemon"
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stop_restconf
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fi
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if [ $BE -eq 0 ]; then
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exit # BE
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fi
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new "Kill backend"
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# Check if premature kill
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pid=$(pgrep -u root -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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# Set by restconf_config
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unset RESTCONFIG
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rm -rf $dir
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