* Experimental NACM RFC8341 Network Configuration Access Control Model.
* CLICON_NACM_MODE config option, default is disabled. * Added username attribute to all rpc:s from frontend to backend * Added NACM backend module in example
This commit is contained in:
Olof hagsand
parent
04a3f4db1b
commit
7650803475
32 changed files with 908 additions and 274 deletions
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@ -1,5 +1,7 @@
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#!/bin/bash
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# Authentication and authorization
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# Authentication and authorization and IETF NACM
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# See RFC 8321 A.2
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# But replaced ietf-netconf-monitoring with *
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APPNAME=example
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# include err() and new() functions and creates $dir
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@ -24,18 +26,25 @@ cat <<EOF > $cfg
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<CLICON_XMLDB_DIR>/usr/local/var/$APPNAME</CLICON_XMLDB_DIR>
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<CLICON_XMLDB_PLUGIN>/usr/local/lib/xmldb/text.so</CLICON_XMLDB_PLUGIN>
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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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</config>
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EOF
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cat <<EOF > $fyang
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module $APPNAME{
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prefix ex;
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leaf basic_auth{
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import ietf-netconf-acm {
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prefix nacm;
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}
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container authentication {
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description "Example code for enabling www basic auth and some example
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users";
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leaf basic_auth{
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description "Basic user / password authentication as in HTTP basic auth";
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type boolean;
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default false;
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}
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list auth {
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}
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list auth {
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description "user / password entries. Valid if basic_auth=true";
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key user;
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leaf user{
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@ -46,10 +55,106 @@ module $APPNAME{
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description "Password";
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type string;
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}
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}
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}
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leaf x{
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type int32;
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description "something to edit";
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}
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}
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EOF
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RULES=$(cat <<EOF
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<authentication>
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<basic_auth>true</basic_auth>
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<auth>
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<user>adm1</user><password>bar</password>
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</auth>
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<auth>
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<user>wilma</user><password>bar</password>
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</auth>
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<auth>
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<user>guest</user><password>bar</password>
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</auth>
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</authentication>
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<nacm>
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<enable-nacm>false</enable-nacm>
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<read-default>deny</read-default>
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<write-default>deny</write-default>
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<exec-default>deny</exec-default>
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<groups>
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<group>
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<name>admin</name>
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<user-name>admin</user-name>
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<user-name>adm1</user-name>
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<user-name>olof</user-name>
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</group>
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<group>
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<name>limited</name>
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<user-name>wilma</user-name>
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<user-name>bam-bam</user-name>
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</group>
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<group>
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<name>guest</name>
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<user-name>guest</user-name>
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<user-name>guest@example.com</user-name>
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</group>
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</groups>
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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 any 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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<rule-list>
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<name>admin-acl</name>
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<group>admin</group>
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<rule>
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<name>permit-all</name>
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<module-name>*</module-name>
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<access-operations>*</access-operations>
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<action>permit</action>
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<comment>
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Allow the 'admin' group complete access to all operations and data.
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</comment>
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</rule>
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</rule-list>
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</nacm>
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<x>0</x>
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EOF
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)
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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 -y $fyang
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@ -66,29 +171,60 @@ fi
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new "kill old restconf daemon"
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sudo pkill -u www-data clixon_restconf
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sleep 1
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new "start restconf daemon"
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sudo start-stop-daemon -S -q -o -b -x /www-data/clixon_restconf -d /www-data -c www-data -- -f $cfg # -D
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sudo start-stop-daemon -S -q -o -b -x /www-data/clixon_restconf -d /www-data -c www-data -- -f $cfg -y $fyang
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sleep 1
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new "restconf DELETE whole datastore"
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expecteq "$(curl -u adm1:bar -sS -X DELETE http://localhost/restconf/data)" ""
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new2 "auth get"
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expecteq "$(curl -sS -X GET http://localhost/restconf/data)" '{"data": null}
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expecteq "$(curl -u adm1:bar -sS -X GET http://localhost/restconf/data)" '{"data": null}
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'
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new "auth set authentication config"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" "<rpc><edit-config><target><candidate/></target><config><basic_auth>true</basic_auth><auth><user>foo</user><password>bar</password></auth></config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" "<rpc><edit-config><target><candidate/></target><config>$RULES</config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "commit it"
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expecteof "$clixon_netconf -qf $cfg -y $fyang" "<rpc><commit/></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new2 "auth get (access denied)"
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expecteq "$(curl -sS -X GET http://localhost/restconf/data)" "<error-tag>access-denied</error-tag>
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The requested URL /restconf/data was unauthorized."
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new2 "auth get (no user: access denied)"
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expecteq "$(curl -sS -X GET -H \"Accept:\ application/yang-data+json\" http://localhost/restconf/data)" '{"ietf-restconf:errors" : {"error": {"error-tag": "access-denied","error-type": "protocol","error-severity": "error","error-message": "The requested URL was unauthorized"}}}
'
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new2 "auth get (wrong passwd: access denied)"
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expecteq "$(curl -u adm1:foo -sS -X GET http://localhost/restconf/data)" '{"ietf-restconf:errors" : {"error": {"error-tag": "access-denied","error-type": "protocol","error-severity": "error","error-message": "The requested URL was unauthorized"}}}
'
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new2 "auth get (access)"
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expecteq "$(curl -u foo:bar -sS -X GET http://localhost/restconf/data)" '{"data": {"basic_auth": true,"auth": [{"user": "foo","password": "bar"}]}}
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expecteq "$(curl -u adm1:bar -sS -X GET http://localhost/restconf/data/x)" '{"x": 0}
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'
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#----------------Enable NACM
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new "enable nacm"
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expecteq "$(curl -u adm1:bar -sS -X PUT -d '{"enable-nacm": true}' http://localhost/restconf/data/nacm/enable-nacm)" ""
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new2 "admin get nacm"
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expecteq "$(curl -u adm1:bar -sS -X GET http://localhost/restconf/data/x)" '{"x": 0}
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'
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new2 "limited get nacm"
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expecteq "$(curl -u wilma:bar -sS -X GET http://localhost/restconf/data/x)" '{"x": 0}
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'
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new2 "guest get nacm"
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expecteq "$(curl -u guest:bar -sS -X GET http://localhost/restconf/data/x)" '{"ietf-restconf:errors" : {"error": {"error-tag": "access-denied","error-type": "protocol","error-severity": "error","error-message": "access denied"}}}
'
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new "admin edit nacm"
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expecteq "$(curl -u adm1:bar -sS -X PUT -d '{"x": 1}' http://localhost/restconf/data/x)" ""
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new2 "limited edit nacm"
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expecteq "$(curl -u wilma:bar -sS -X PUT -d '{"x": 2}' http://localhost/restconf/data/x)" '{"ietf-restconf:errors" : {"error": {"error-tag": "access-denied","error-type": "protocol","error-severity": "error","error-message": "default deny"}}}
'
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new2 "guest edit nacm"
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expecteq "$(curl -u guest:bar -sS -X PUT -d '{"x": 3}' http://localhost/restconf/data/x)" '{"ietf-restconf:errors" : {"error": {"error-tag": "access-denied","error-type": "protocol","error-severity": "error","error-message": "access denied"}}}
'
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new "Kill restconf daemon"
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sudo pkill -u www-data clixon_restconf
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