NACM module access control point for edit-config
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Olof hagsand
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9 changed files with 237 additions and 374 deletions
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@ -6,17 +6,19 @@
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# @see test_nacm.sh is slightly modified - this follows the RFC more closely
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# See RFC 8341 A.1 and A.2
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# Note: use clixon-example instead of ietf-netconf-monitoring since the latter is
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# Tests for
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# deny-ncm: This rule prevents the "guest" group from reading any
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# monitoring information in the "clixon-example" YANG
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# module.
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# permit-ncm: This rule allows the "limited" group to read the
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# "clixon-example" YANG module.
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# permit-exec: This rule allows the "limited" group to invoke any
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# protocol operation supported by the server.
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# permit-all: This rule allows the "admin" group complete access to
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# all content in the server. No subsequent rule will match for the
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# "admin" group because of this module rule
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# A) Three tracks in the code for leaf/leaf-list, container/lists, and root
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# B) Three operations: create, update, delete (write)
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# C) Two access operations: permit, deny (also default deny/permit)
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# This gives 18 testcases
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# Set group access:
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# - Admin: permit: create, update, delete
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# - Limit: permit: create, delete; deny: update
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# - Guest: permit: update; deny: create delete
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# ops\track:| root | leaf | list
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#-----------+--------+--------+----------
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# create | na | p/d | p/d
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# update | p/d | p/d | p/d
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# delete | p/d | p/d | p/d
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APPNAME=example
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# include err() and new() functions and creates $dir
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@ -62,6 +64,17 @@ module nacm-example{
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type int32;
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description "something to edit";
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}
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list a{
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key k;
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leaf k{
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type string;
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}
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container b{
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leaf c{
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type string;
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}
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}
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}
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}
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EOF
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@ -69,77 +82,51 @@ EOF
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# The rule-list is from A.2
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RULES=$(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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<enable-nacm>true</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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<exec-default>permit</exec-default>
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$NGROUPS
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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-create-delete</name>
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<module-name>nacm-example</module-name>
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<access-operations>read create delete</access-operations>
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<action>permit</action>
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</rule>
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<rule>
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<name>deny-update</name>
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<module-name>nacm-example</module-name>
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<access-operations>read update</access-operations>
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<action>deny</action>
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</rule>
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</rule-list>
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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>permit-get</name>
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<module-name>ietf-netconf</module-name>
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<rpc-name>*</rpc-name>
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<access-operations>exec</access-operations>
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<name>permit-update</name>
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<module-name>nacm-example</module-name>
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<access-operations>read update</access-operations>
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<action>permit</action>
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<comment>
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Allow invocation of get rpc
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</comment>
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</rule>
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<rule>
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<name>permit-read</name>
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<module-name>clixon-example</module-name>
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<access-operations>read</access-operations>
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<action>permit</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>
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<name>deny-write</name>
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<module-name>clixon-example</module-name>
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<access-operations>*</access-operations>
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<name>deny-create-delete</name>
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<module-name>nacm-example</module-name>
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<access-operations>read create delete</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-ncm</name>
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<module-name>clixon-example</module-name>
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<access-operations>read create update delete</access-operations>
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<action>permit</action>
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<comment>
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Allow write access to the NETCONF monitoring information.
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</comment>
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</rule>
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<rule>
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<name>permit-exec</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 invocation of the supported server operations.
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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">42</x>
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<translate xmlns="urn:example:clixon"><k>key42</k><value>val42</value></translate>
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<translate xmlns="urn:example:clixon"><k>key43</k><value>val43</value></translate>
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EOF
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)
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@ -167,40 +154,103 @@ sudo su -c "$clixon_restconf -f $cfg -D $DBG -- -a" -s /bin/sh www-data &
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sleep $RCWAIT
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new "auth set authentication config"
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expecteof "$clixon_netconf -qf $cfg" 0 "<rpc><edit-config><target><candidate/></target><config>$RULES</config></edit-config></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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# Set nacm from scratch
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nacm(){
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new "auth set authentication config"
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expecteof "$clixon_netconf -qf $cfg" 0 "<rpc><edit-config><target><candidate/></target><config operation='replace'>$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 $cfg" 0 "<rpc><commit/></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "commit it"
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expecteof "$clixon_netconf -qf $cfg" 0 "<rpc><commit/></rpc>]]>]]>" "^<rpc-reply><ok/></rpc-reply>]]>]]>$"
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new "enable nacm"
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expecteq "$(curl -u andy:bar -sS -X PUT -d '{"enable-nacm": true}' http://localhost/restconf/data/ietf-netconf-acm:nacm/enable-nacm)" ""
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new "enable nacm"
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expecteq "$(curl -u andy:bar -sS -X PUT -d '{"enable-nacm": true}' http://localhost/restconf/data/ietf-netconf-acm:nacm/enable-nacm)" ""
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}
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#--------------- nacm enabled
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#----WRITE access
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#user:admin
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new2 "admin read element ok"
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expecteq "$(curl -u andy:bar -sS -X GET http://localhost/restconf/data/clixon-example:translate=key42/value)" '{"clixon-example:value": "val42"}
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#--------------- enable nacm
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nacm
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# ops\track:| root | leaf | list
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#-----------+--------+--------+----------
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# create | n/a | xp/dx | p/d
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# update | p/d | xp/dx | p/d
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# delete | p/d | xp/dx | p/d
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#----------root
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new2 "update root list default deny"
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expecteq "$(curl -u wilma:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data -d '<data><x xmlns="urn:example:nacm">42</x>$RULES</data>')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "default deny"}}}
'
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# replace all, then must include NACM rules as well
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MSG="<data>$RULES</data>"
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new "update root list permit"
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expecteq "$(curl -u andy:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data -d "$MSG")" ''
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new "delete root list deny"
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expecteq "$(curl -u wilma:bar -sS -X DELETE http://localhost/restconf/data)" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "default deny"}}}
'
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new "delete root permit"
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expecteq "$(curl -u andy:bar -sS -X DELETE http://localhost/restconf/data)" ''
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#--------------- re-enable nacm
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nacm
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#----------leaf
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new2 "create leaf deny"
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expecteq "$(curl -u guest:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:x -d '<x xmlns="urn:example:nacm">42</x>')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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new "create leaf permit"
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expecteq "$(curl -u wilma:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:x -d '<x xmlns="urn:example:nacm">42</x>')" ''
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new2 "update leaf deny"
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expecteq "$(curl -u wilma:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:x -d '<x xmlns="urn:example:nacm">99</x>')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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new "update leaf permit"
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expecteq "$(curl -u guest:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:x -d '<x xmlns="urn:example:nacm">99</x>')" ''
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new2 "read leaf check"
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expecteq "$(curl -u guest:bar -sS -X GET http://localhost/restconf/data/nacm-example:x)" '{"nacm-example:x": 99}
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'
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new "admin write element ok"
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expecteq "$(curl -u andy:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42/value -d '{"clixon-example:value": "val99"}')"
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new2 "delete leaf deny"
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expecteq "$(curl -u guest:bar -sS -X DELETE http://localhost/restconf/data/nacm-example:x)" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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#user:limit
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new2 "limit read element ok"
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expecteq "$(curl -u wilma:bar -sS -X GET http://localhost/restconf/data/clixon-example:translate=key42/value)" '{"clixon-example:value": "val99"}
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new "delete leaf permit"
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expecteq "$(curl -u wilma:bar -sS -X DELETE http://localhost/restconf/data/nacm-example:x)" ''
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#----- list/container
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new2 "create list deny"
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expecteq "$(curl -u guest:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:a=key42 -d '<a xmlns="urn:example:nacm"><k>key42</k><b><c>str</c></b></a>')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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new "create list permit"
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expecteq "$(curl -u wilma:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:a=key42 -d '<a xmlns="urn:example:nacm"><k>key42</k><b><c>str</c></b></a>')" ''
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new2 "update list deny"
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expecteq "$(curl -u wilma:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:a=key42 -d '<a xmlns="urn:example:nacm"><k>key42</k><b><c>update</c></b></a>')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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new "update list permit"
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expecteq "$(curl -u guest:bar -sS -H 'Content-Type: application/yang-data+xml' -X PUT http://localhost/restconf/data/nacm-example:a=key42 -d '<a xmlns="urn:example:nacm"><k>key42</k><b><c>update</c></b></a>')" ''
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new2 "read list check"
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expecteq "$(curl -u guest:bar -sS -X GET http://localhost/restconf/data/nacm-example:a)" '{"nacm-example:a": [{"k": "key42","b": {"c": "update"}}]}
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'
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new "limit write element ok"
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expecteq "$(curl -u wilma:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42/value -d '{"clixon-example:value": "val55"}')"
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new2 "delete list deny"
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expecteq "$(curl -u guest:bar -sS -X DELETE http://localhost/restconf/data/nacm-example:a=key42)" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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#user:guest
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new2 "guest read element ok"
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expecteq "$(curl -u guest:bar -sS -X GET http://localhost/restconf/data/clixon-example:translate=key42/value)" '{"clixon-example:value": "val55"}
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'
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new "delete list permit"
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expecteq "$(curl -u wilma:bar -sS -X DELETE http://localhost/restconf/data/nacm-example:a=key42)" ''
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new2 "guest write element ok"
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expecteq "$(curl -u guest:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42/value -d '{"clixon-example:value": "val99"}')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "access denied"}}}
'
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#----- default deny (clixon-example limit and guest have default access)
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new2 "default create list deny"
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expecteq "$(curl -u wilma:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42 -d '{"clixon-example:translate": [{"k": "key42","value": "val42"}]}')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "default deny"}}}
'
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new2 "create list permit"
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expecteq "$(curl -u andy:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42 -d '{"clixon-example:translate": [{"k": "key42","value": "val42"}]}')" ''
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new2 "default update list deny"
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expecteq "$(curl -u wilma:bar -sS -X PUT http://localhost/restconf/data/clixon-example:translate=key42 -d '{"clixon-example:translate": [{"k": "key42","value": "val99"}]}')" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "default deny"}}}
'
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new2 "default delete list deny"
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expecteq "$(curl -u wilma:bar -sS -X DELETE http://localhost/restconf/data/clixon-example:translate=key42)" '{"ietf-restconf:errors" : {"error": {"error-type": "application","error-tag": "access-denied","error-severity": "error","error-message": "default deny"}}}
'
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new "Kill restconf daemon"
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sudo pkill -u www-data -f "/www-data/clixon_restconf"
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