X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=netconf-server%2Fschemas%2Fcommon%2Fietf-netconf-acm.yang;fp=netconf-server%2Fschemas%2Fcommon%2Fietf-netconf-acm.yang;h=0000000000000000000000000000000000000000;hb=521f093716026ef2a7e9ad738c8b1d42f59637e0;hp=46e5c480bcbbc16140d5a04e6b6355e952b32294;hpb=78a57b502476ac0e216f0ac5e5a89afc48bbf9ee;p=oam%2Ftr069-adapter.git
diff --git a/netconf-server/schemas/common/ietf-netconf-acm.yang b/netconf-server/schemas/common/ietf-netconf-acm.yang
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-module ietf-netconf-acm {
-
- namespace "urn:ietf:params:xml:ns:yang:ietf-netconf-acm";
-
- prefix nacm;
-
- import ietf-yang-types {
- prefix yang;
- }
-
- organization
- "IETF NETCONF (Network Configuration) Working Group";
-
- contact
- "WG Web:
- WG List:
- Author: Andy Bierman
-
- Author: Martin Bjorklund
- ";
-
- description
- "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.";
-
- revision "2018-02-14" {
- description
- "Added support for YANG 1.1 actions and notifications tied to
- data nodes. Clarified how NACM extensions can be used by
- other data models.";
- reference
- "RFC 8341: Network Configuration Access Control Model";
- }
-
- revision "2012-02-22" {
- description
- "Initial version.";
- reference
- "RFC 6536: Network Configuration Protocol (NETCONF)
- Access Control Model";
- }
-
- /*
- * Extension statements
- */
-
- extension default-deny-write {
- description
- "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.";
- }
-
- extension default-deny-all {
- description
- "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.";
- }
-
- /*
- * Derived types
- */
-
- typedef user-name-type {
- type string {
- length "1..max";
- }
- description
- "General-purpose username string.";
- }
-
- typedef matchall-string-type {
- type string {
- pattern '\*';
- }
- description
- "The string containing a single asterisk '*' is used
- to conceptually represent all possible values
- for the particular leaf using this data type.";
- }
-
- typedef access-operations-type {
- type bits {
- bit create {
- description
- "Any protocol operation that creates a
- new data node.";
- }
- bit read {
- description
- "Any protocol operation or notification that
- returns the value of a data node.";
- }
- bit update {
- description
- "Any protocol operation that alters an existing
- data node.";
- }
- bit delete {
- description
- "Any protocol operation that removes a data node.";
- }
- bit exec {
- description
- "Execution access to the specified protocol operation.";
- }
- }
- description
- "Access operation.";
- }
-
- typedef group-name-type {
- type string {
- length "1..max";
- pattern '[^\*].*';
- }
- description
- "Name of administrative group to which
- users can be assigned.";
- }
-
- typedef action-type {
- type enumeration {
- enum permit {
- description
- "Requested action is permitted.";
- }
- enum deny {
- description
- "Requested action is denied.";
- }
- }
- description
- "Action taken by the server when a particular
- rule matches.";
- }
-
- typedef node-instance-identifier {
- type yang:xpath1.0;
- description
- "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.";
- }
-
- /*
- * Data definition statements
- */
-
- container nacm {
- nacm:default-deny-all;
-
- description
- "Parameters for NETCONF access control model.";
-
- leaf enable-nacm {
- type boolean;
- default "true";
- description
- "Enables or disables all NETCONF access control
- enforcement. If 'true', then enforcement
- is enabled. If 'false', then enforcement
- is disabled.";
- }
-
- leaf read-default {
- type action-type;
- default "permit";
- description
- "Controls whether read access is granted if
- no appropriate rule is found for a
- particular read request.";
- }
-
- leaf write-default {
- type action-type;
- default "deny";
- description
- "Controls whether create, update, or delete access
- is granted if no appropriate rule is found for a
- particular write request.";
- }
-
- leaf exec-default {
- type action-type;
- default "permit";
- description
- "Controls whether exec access is granted if no appropriate
- rule is found for a particular protocol operation request.";
- }
-
- leaf enable-external-groups {
- type boolean;
- default "true";
- description
- "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.";
- }
-
- leaf denied-operations {
- type yang:zero-based-counter32;
- config false;
- mandatory true;
- description
- "Number of times since the server last restarted that a
- protocol operation request was denied.";
- }
-
- leaf denied-data-writes {
- type yang:zero-based-counter32;
- config false;
- mandatory true;
- description
- "Number of times since the server last restarted that a
- protocol operation request to alter
- a configuration datastore was denied.";
- }
-
- leaf denied-notifications {
- type yang:zero-based-counter32;
- config false;
- mandatory true;
- description
- "Number of times since the server last restarted that
- a notification was dropped for a subscription because
- access to the event type was denied.";
- }
-
- container groups {
- description
- "NETCONF access control groups.";
-
- list group {
- key name;
-
- description
- "One NACM group entry. This list will only contain
- configured entries, not any entries learned from
- any transport protocols.";
-
- leaf name {
- type group-name-type;
- description
- "Group name associated with this entry.";
- }
-
- leaf-list user-name {
- type user-name-type;
- description
- "Each entry identifies the username of
- a member of the group associated with
- this entry.";
- }
- }
- }
-
- list rule-list {
- key name;
- ordered-by user;
- description
- "An ordered collection of access control rules.";
-
- leaf name {
- type string {
- length "1..max";
- }
- description
- "Arbitrary name assigned to the rule-list.";
- }
- leaf-list group {
- type union {
- type matchall-string-type;
- type group-name-type;
- }
- description
- "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.";
- }
-
- list rule {
- key name;
- ordered-by user;
- description
- "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.";
-
- leaf name {
- type string {
- length "1..max";
- }
- description
- "Arbitrary name assigned to the rule.";
- }
-
- leaf module-name {
- type union {
- type matchall-string-type;
- type string;
- }
- default "*";
- description
- "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.";
- }
- choice rule-type {
- description
- "This choice matches if all leafs present in the rule
- match the request. If no leafs are present, the
- choice matches all requests.";
- case protocol-operation {
- leaf rpc-name {
- type union {
- type matchall-string-type;
- type string;
- }
- description
- "This leaf matches if it has the value '*' or if
- its value equals the requested protocol operation
- name.";
- }
- }
- case notification {
- leaf notification-name {
- type union {
- type matchall-string-type;
- type string;
- }
- description
- "This leaf matches if it has the value '*' or if its
- value equals the requested notification name.";
- }
- }
-
- case data-node {
- leaf path {
- type node-instance-identifier;
- mandatory true;
- description
- "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.";
- }
- }
- }
-
- leaf access-operations {
- type union {
- type matchall-string-type;
- type access-operations-type;
- }
- default "*";
- description
- "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.";
- }
-
- leaf action {
- type action-type;
- mandatory true;
- description
- "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.";
- }
-
- leaf comment {
- type string;
- description
- "A textual description of the access rule.";
- }
- }
- }
- }
-}