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Adding upstream version 2.0.24.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
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Daniel Baumann 2025-02-18 11:18:17 +01:00
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<?xml version="1.0" encoding="UTF-8"?>
<module name="ietf-netconf-acm"
xmlns="urn:ietf:params:xml:ns:yang:yin:1"
xmlns:nacm="urn:ietf:params:xml:ns:yang:ietf-netconf-acm"
xmlns:yang="urn:ietf:params:xml:ns:yang:ietf-yang-types">
<namespace uri="urn:ietf:params:xml:ns:yang:ietf-netconf-acm"/>
<prefix value="nacm"/>
<import module="ietf-yang-types">
<prefix value="yang"/>
</import>
<organization>
<text>IETF NETCONF (Network Configuration) Working Group</text>
</organization>
<contact>
<text>WG Web: &lt;https://datatracker.ietf.org/wg/netconf/&gt;
WG List: &lt;mailto:netconf@ietf.org&gt;
Author: Andy Bierman
&lt;mailto:andy@yumaworks.com&gt;
Author: Martin Bjorklund
&lt;mailto:mbj@tail-f.com&gt;</text>
</contact>
<description>
<text>Network Configuration Access Control Model.
Copyright (c) 2012 - 2018 IETF Trust and the persons
identified as authors of the code. All rights reserved.
Redistribution and use in source and binary forms, with or
without modification, is permitted pursuant to, and subject
to the license terms contained in, the Simplified BSD
License set forth in Section 4.c of the IETF Trust's
Legal Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info).
This version of this YANG module is part of RFC 8341; see
the RFC itself for full legal notices.</text>
</description>
<revision date="2018-02-14">
<description>
<text>Added support for YANG 1.1 actions and notifications tied to
data nodes. Clarified how NACM extensions can be used by
other data models.</text>
</description>
<reference>
<text>RFC 8341: Network Configuration Access Control Model</text>
</reference>
</revision>
<revision date="2012-02-22">
<description>
<text>Initial version.</text>
</description>
<reference>
<text>RFC 6536: Network Configuration Protocol (NETCONF)
Access Control Model</text>
</reference>
</revision>
<extension name="default-deny-write">
<description>
<text>Used to indicate that the data model node
represents a sensitive security system parameter.
If present, the NETCONF server will only allow the designated
'recovery session' to have write access to the node. An
explicit access control rule is required for all other users.
If the NACM module is used, then it must be enabled (i.e.,
/nacm/enable-nacm object equals 'true'), or this extension
is ignored.
The 'default-deny-write' extension MAY appear within a data
definition statement. It is ignored otherwise.</text>
</description>
</extension>
<extension name="default-deny-all">
<description>
<text>Used to indicate that the data model node
controls a very sensitive security system parameter.
If present, the NETCONF server will only allow the designated
'recovery session' to have read, write, or execute access to
the node. An explicit access control rule is required for all
other users.
If the NACM module is used, then it must be enabled (i.e.,
/nacm/enable-nacm object equals 'true'), or this extension
is ignored.
The 'default-deny-all' extension MAY appear within a data
definition statement, 'rpc' statement, or 'notification'
statement. It is ignored otherwise.</text>
</description>
</extension>
<typedef name="user-name-type">
<type name="string">
<length value="1..max"/>
</type>
<description>
<text>General-purpose username string.</text>
</description>
</typedef>
<typedef name="matchall-string-type">
<type name="string">
<pattern value="\*"/>
</type>
<description>
<text>The string containing a single asterisk '*' is used
to conceptually represent all possible values
for the particular leaf using this data type.</text>
</description>
</typedef>
<typedef name="access-operations-type">
<type name="bits">
<bit name="create">
<description>
<text>Any protocol operation that creates a
new data node.</text>
</description>
</bit>
<bit name="read">
<description>
<text>Any protocol operation or notification that
returns the value of a data node.</text>
</description>
</bit>
<bit name="update">
<description>
<text>Any protocol operation that alters an existing
data node.</text>
</description>
</bit>
<bit name="delete">
<description>
<text>Any protocol operation that removes a data node.</text>
</description>
</bit>
<bit name="exec">
<description>
<text>Execution access to the specified protocol operation.</text>
</description>
</bit>
</type>
<description>
<text>Access operation.</text>
</description>
</typedef>
<typedef name="group-name-type">
<type name="string">
<length value="1..max"/>
<pattern value="[^\*].*"/>
</type>
<description>
<text>Name of administrative group to which
users can be assigned.</text>
</description>
</typedef>
<typedef name="action-type">
<type name="enumeration">
<enum name="permit">
<description>
<text>Requested action is permitted.</text>
</description>
</enum>
<enum name="deny">
<description>
<text>Requested action is denied.</text>
</description>
</enum>
</type>
<description>
<text>Action taken by the server when a particular
rule matches.</text>
</description>
</typedef>
<typedef name="node-instance-identifier">
<type name="yang:xpath1.0"/>
<description>
<text>Path expression used to represent a special
data node, action, or notification instance-identifier
string.
A node-instance-identifier value is an
unrestricted YANG instance-identifier expression.
All the same rules as an instance-identifier apply,
except that predicates for keys are optional. If a key
predicate is missing, then the node-instance-identifier
represents all possible server instances for that key.
This XML Path Language (XPath) expression is evaluated in the
following context:
o The set of namespace declarations are those in scope on
the leaf element where this type is used.
o The set of variable bindings contains one variable,
'USER', which contains the name of the user of the
current session.
o The function library is the core function library, but
note that due to the syntax restrictions of an
instance-identifier, no functions are allowed.
o The context node is the root node in the data tree.
The accessible tree includes actions and notifications tied
to data nodes.</text>
</description>
</typedef>
<container name="nacm">
<nacm:default-deny-all/>
<description>
<text>Parameters for NETCONF access control model.</text>
</description>
<leaf name="enable-nacm">
<type name="boolean"/>
<default value="true"/>
<description>
<text>Enables or disables all NETCONF access control
enforcement. If 'true', then enforcement
is enabled. If 'false', then enforcement
is disabled.</text>
</description>
</leaf>
<leaf name="read-default">
<type name="action-type"/>
<default value="permit"/>
<description>
<text>Controls whether read access is granted if
no appropriate rule is found for a
particular read request.</text>
</description>
</leaf>
<leaf name="write-default">
<type name="action-type"/>
<default value="deny"/>
<description>
<text>Controls whether create, update, or delete access
is granted if no appropriate rule is found for a
particular write request.</text>
</description>
</leaf>
<leaf name="exec-default">
<type name="action-type"/>
<default value="permit"/>
<description>
<text>Controls whether exec access is granted if no appropriate
rule is found for a particular protocol operation request.</text>
</description>
</leaf>
<leaf name="enable-external-groups">
<type name="boolean"/>
<default value="true"/>
<description>
<text>Controls whether the server uses the groups reported by the
NETCONF transport layer when it assigns the user to a set of
NACM groups. If this leaf has the value 'false', any group
names reported by the transport layer are ignored by the
server.</text>
</description>
</leaf>
<leaf name="denied-operations">
<type name="yang:zero-based-counter32"/>
<config value="false"/>
<mandatory value="true"/>
<description>
<text>Number of times since the server last restarted that a
protocol operation request was denied.</text>
</description>
</leaf>
<leaf name="denied-data-writes">
<type name="yang:zero-based-counter32"/>
<config value="false"/>
<mandatory value="true"/>
<description>
<text>Number of times since the server last restarted that a
protocol operation request to alter
a configuration datastore was denied.</text>
</description>
</leaf>
<leaf name="denied-notifications">
<type name="yang:zero-based-counter32"/>
<config value="false"/>
<mandatory value="true"/>
<description>
<text>Number of times since the server last restarted that
a notification was dropped for a subscription because
access to the event type was denied.</text>
</description>
</leaf>
<container name="groups">
<description>
<text>NETCONF access control groups.</text>
</description>
<list name="group">
<key value="name"/>
<description>
<text>One NACM group entry. This list will only contain
configured entries, not any entries learned from
any transport protocols.</text>
</description>
<leaf name="name">
<type name="group-name-type"/>
<description>
<text>Group name associated with this entry.</text>
</description>
</leaf>
<leaf-list name="user-name">
<type name="user-name-type"/>
<description>
<text>Each entry identifies the username of
a member of the group associated with
this entry.</text>
</description>
</leaf-list>
</list>
</container>
<list name="rule-list">
<key value="name"/>
<ordered-by value="user"/>
<description>
<text>An ordered collection of access control rules.</text>
</description>
<leaf name="name">
<type name="string">
<length value="1..max"/>
</type>
<description>
<text>Arbitrary name assigned to the rule-list.</text>
</description>
</leaf>
<leaf-list name="group">
<type name="union">
<type name="matchall-string-type"/>
<type name="group-name-type"/>
</type>
<description>
<text>List of administrative groups that will be
assigned the associated access rights
defined by the 'rule' list.
The string '*' indicates that all groups apply to the
entry.</text>
</description>
</leaf-list>
<list name="rule">
<key value="name"/>
<ordered-by value="user"/>
<description>
<text>One access control rule.
Rules are processed in user-defined order until a match is
found. A rule matches if 'module-name', 'rule-type', and
'access-operations' match the request. If a rule
matches, the 'action' leaf determines whether or not
access is granted.</text>
</description>
<leaf name="name">
<type name="string">
<length value="1..max"/>
</type>
<description>
<text>Arbitrary name assigned to the rule.</text>
</description>
</leaf>
<leaf name="module-name">
<type name="union">
<type name="matchall-string-type"/>
<type name="string"/>
</type>
<default value="*"/>
<description>
<text>Name of the module associated with this rule.
This leaf matches if it has the value '*' or if the
object being accessed is defined in the module with the
specified module name.</text>
</description>
</leaf>
<choice name="rule-type">
<description>
<text>This choice matches if all leafs present in the rule
match the request. If no leafs are present, the
choice matches all requests.</text>
</description>
<case name="protocol-operation">
<leaf name="rpc-name">
<type name="union">
<type name="matchall-string-type"/>
<type name="string"/>
</type>
<description>
<text>This leaf matches if it has the value '*' or if
its value equals the requested protocol operation
name.</text>
</description>
</leaf>
</case>
<case name="notification">
<leaf name="notification-name">
<type name="union">
<type name="matchall-string-type"/>
<type name="string"/>
</type>
<description>
<text>This leaf matches if it has the value '*' or if its
value equals the requested notification name.</text>
</description>
</leaf>
</case>
<case name="data-node">
<leaf name="path">
<type name="node-instance-identifier"/>
<mandatory value="true"/>
<description>
<text>Data node instance-identifier associated with the
data node, action, or notification controlled by
this rule.
Configuration data or state data
instance-identifiers start with a top-level
data node. A complete instance-identifier is
required for this type of path value.
The special value '/' refers to all possible
datastore contents.</text>
</description>
</leaf>
</case>
</choice>
<leaf name="access-operations">
<type name="union">
<type name="matchall-string-type"/>
<type name="access-operations-type"/>
</type>
<default value="*"/>
<description>
<text>Access operations associated with this rule.
This leaf matches if it has the value '*' or if the
bit corresponding to the requested operation is set.</text>
</description>
</leaf>
<leaf name="action">
<type name="action-type"/>
<mandatory value="true"/>
<description>
<text>The access control action associated with the
rule. If a rule has been determined to match a
particular request, then this object is used
to determine whether to permit or deny the
request.</text>
</description>
</leaf>
<leaf name="comment">
<type name="string"/>
<description>
<text>A textual description of the access rule.</text>
</description>
</leaf>
</list>
</list>
</container>
</module>