4.2.1 Example: POST-ing an entry after another entry

Assuming a device’s “response-manager” contains the ordered list of “matched-response” entries: “resp1”, “resp2”, and “resp3”, then the command:

$ cat matched-response.json
{
  "wn-sztpd-1:matched-response": [
    {
      'name': 'new',
      'response': {
        'none': [None]
      }
    }
  ]
}

$ curl -i -X POST --data @matched-response.json -H "Content-Type:application/yang-data+json" \
http://127.0.0.1:8080/restconf/ds/ietf-datastores:running/wn-sztpd-1:devices/device=my-serial\
-number/response-manager?insert=after&point=/wn-sztpd-1:devices/device=my-serial-number/respo\
nse-manager/matched-response=resp1

would result in the list of entries: “resp1”, “new”, “resp2”, and “resp3”.

4.2.2 Example: PUT-ing an entry before another entry

Assuming a redirect-information-response contains the ordered list of “bootstrap-server” entries: “bs1”, “bs2”, and “bs3”, then the command:

$ cat bootstrap-server.json
{
  "wn-sztpd-1:bootstrap-server": [
    "bs-3"
  ]
}

$ curl -i -X PUT --data @bootstrap-server.json -H "Content-Type:application/yang-data+json" \
http://127.0.0.1:8080/restconf/ds/ietf-datastores:running/wn-sztpd-1:conveyed-information-re\
sponses/redirect-information-response=my-redirect-information/redirect-information/bootstrap\
-server=bs3?insert=before&point=/wn-sztpd-1:conveyed-information-responses/redirect-informat\
ion-response=my-redirect-information/redirect-information/bootstrap-server=bs2

would result in the list of entries: “bs1”, “bs3”, and “bs2”.

4.3.1 Example: POST-ing an entry after another

Assuming the configured “download-uri” leaf-list contains values as follows:

{
  "wn-sztpd-1:download-uri" : [
    https://cdn1.example.com/path/to/image/file,
    https://cdn2.example.com/path/to/image/file,
    https://cdn3.example.com/path/to/image/file
  ]
}

then the command:

$ cat download-uri.json
{
  "wn-sztpd-1:download-uri": [
    https://new4.example.com/path/to/image/file
  ]
}

$ curl -i -X POST --data @download-uri.json -H "Content-Type:application/yang-data+json" \
http://127.0.0.1:8080/restconf/ds/ietf-datastores:running/wn-sztpd-1:boot-images/boot-ima\
ge=vendoros-19.2r1b6.img?insert=after&point=/wn-sztpd-1:boot-images/boot-image=vendoros-1\
9.2r1b6.img/download-uri=https%3A%2F%2Fcdn1.example.com%2Fpath%2Fto%2Fimage%2Ffile

would result in the list of entries:

{
  "wn-sztpd-1:download-uri" : [
    https://cdn1.example.com/path/to/image/file,
    https://new4.example.com/path/to/image/file,
    https://cdn2.example.com/path/to/image/file,
    https://cdn3.example.com/path/to/image/file
  ]
}

4.3.2 Example: PUT-ing an entry after another entry

Assuming the configured “download-uri” leaf-list contains values as follows:

{
  "wn-sztpd-1:download-uri" : [
    https://cdn1.example.com/path/to/image/file,
    https://new4.example.com/path/to/image/file,
    https://cdn2.example.com/path/to/image/file,
    https://cdn3.example.com/path/to/image/file
  ]
}

then the command:

$ cat download-uri.json
{
  "wn-sztpd-1:download-uri": [
    https://new4.example.com/path/to/image/file
  ]
}

$ curl -i -X POST --data @download-uri.json -H "Content-Type:application/yang-data+json" \
http://127.0.0.1:8080/restconf/ds/ietf-datastores:running/wn-sztpd-1:boot-images/boot-ima\
ge=vendoros-19.2r1b6.img/download-uri=https%3A%2F%2Fnew4.example.com%2Fpath%2Fto%2Fimage%\
2Ffile?insert=before&point=/wn-sztpd-1:boot-images/boot-image=vendoros-19.2r1b6.img/downl\
oad-uri=https%3A%2F%2Fcdn3.example.com%2Fpath%2Fto%2Fimage%2Ffile

would result in the list of entries:

{
  "wn-sztpd-1:download-uri" : [
    https://cdn1.example.com/path/to/image/file,
    https://cdn2.example.com/path/to/image/file,
    https://new4.example.com/path/to/image/file,
    https://cdn3.example.com/path/to/image/file
  ]
}

4.4.1 The “limit” Query Parameter

• The “limit” query parameter limits the number of entries from the working result set (i.e., after the “offset” parameter has been applied) that are returned.
• The allowed values are positive integers.
• This parameter is only allowed for the GET and HEAD methods on “list” and “leaf-list” data resources. A “400 Bad Request” status-line is returned if used for other methods or on other resource types.
• If this query parameter is not present, the number of entries that may be returned is unbounded.
• This query parameter MUST be supported for all lists and leaf-lists.

4.4.2 The “offset” Query Parameter

• The “offset” query parameter indicates the number of entries in the working result set (i.e., after the “direction” parameter has been applied) that should be skipped.
• The allowed values are positive integers. If the skip value exceeds the number of entries in the working result set, then “416 Range Not Satisfiable” status-line is returned.
• This parameter is only allowed for the GET and HEAD methods on
• This parameter is only allowed for the GET and HEAD methods on “list” and “leaf-list” data resources. A “400 Bad Request” status-line is returned if used for other methods or on other resource types.
• If this query parameter is not present, the default value is to not skip over any values from the working result set.
• This query parameter MUST be supported for all lists and leaf-lists.

4.4.3 The “direction” Query Parameter

• The “direction” query parameter indicates how the entries in the working result set should be traversed.
• The allowed values are:
  • forwards
    • Return entries in the “forward” direction. Also known as the “default” or “ascending” direction.
  • backwards
    • Return entries in the “backward” direction. Also known as the “reversed” or “descending” direction.
• This parameter is only allowed for the GET and HEAD methods on “list” and “leaf-list” data resources. A “400 Bad Request” status-line is returned if used for other methods or on other resource types.
• If this query parameter is not present, the default value is “forwards”.
• This query parameter MUST be supported for all lists and leaf-lists.

4.5.1 Configuration-based

SZTPD reacts to some configurations changes. Simple examples include:

• automatically hash client passwords.
• automatically SIGHUP when transport is configured.
• incrementing/decrementing opstate counters.

Configuration-based triggers are discussed further in Tracking.

4.5.2 Clock-based

SZTPD may set clock triggers. For instance, to note when an object should be purged.

4.6.1 Reference Statistics

SZTPD will be able to track where referenced objects are used so as to detect when the objects are no longer referenced. Timestamps track when the object was created, last modified, first referenced, and last referenced.

4.6.2 Expiration Tracking

Known when an object was last referenced enables SZTPD to determine when the object will be subject to expiration, unless updated or referenced in the interim.

When implemented, SZTPD sends notifications with expedited urgency when an object is getting close to expiration.

4.6.3 Device Lifecycle Statistics

Devices are special objects in that nothing references them and yet it is desired to purge them when approporiate and, furthermore, to track if/when a device performed bootstrapping events.

4.7.1 Installation

Configuring SZTPD to use a plugin is a two-step process:

1. Place the Python module (i.e. file) in the “plugins” directory on the SZTPD server¹. The location of this directory can be determined via the following command²:

python -c 'import pkg_resources; print(pkg_resources.resource_filename("sztpd", "plugins/"))'

2. Configure a “plugin” under “/preferences/system/plugins”³.

4.7.2 Example

Assuming a plugin a installed as follows:

PLUGIN_DIR=`python -c 'import pkg_resources; print(pkg_resources.resource_filename("sztpd", "plugins"))'`
echo $PLUGIN_DIR
cat << EOM > $PLUGIN_DIR/my-plugin.py
import sys
def relay_progress_report_function(input, opaque):
    print("INSIDE relay_progress_report_function()...")
    print("input = " + str(input))
    print("opaque = " + str(opaque))
    print("sys.version = " + sys.version)
EOM

And that the configuration contains the following, in addition to other configurations:

"wn-sztpd-x:preferences": {
    "system": {
        "plugins": {
            "plugin": [
                {
                    "name": "my-plugin",
                    "functions": {
                        "function": [
                            {
                                "name": "relay_progress_report_function"
                            }
                        ]
                    }
                }
            ]
        }
    },
    "outbound-interactions": {
        "relay-progress-report-callout": "my-relay-progress-report-callout"
    }
},
"wn-sztpd-x:dynamic-callouts": {
    "dynamic-callout": [
        {
            "name": "my-relay-progress-report-callout",
            "rpc-supported": "wn-sztpd-rpcs:relay-progress-report",
            "callback": {
                "plugin": "my-plugin",
                "function": "relay_progress_report_function"
            },
            "opaque": {
                "empty": [None],
                "boolean": True,
                "string": "foobar",
                "list": [ 1, 2, 3 ],
                "dict": {
                    "a": 1,
                    "b": 2
                }
            }
        }
    ]
}

Then, when a device sends a progress report, the following may appear in the console where SZTPD is running⁴:

============================= Note: '\' line wrapping per RFC 8792] =================================

INSIDE relay_progress_report_function()...

input = {'serial-number': 'my-serial-number', 'source-ip-address': '127.0.0.1', 'from-device': {'iet\
f-sztp-bootstrap-server:input': {'progress-type': 'bootstrap-complete', 'message': 'message sent via\
 XML', 'ssh-host-keys': {'ssh-host-key': [{'algorithm': 'ssh-rsa', 'key-data': 'BASE64VALUE='}, {'al\
gorithm': 'rsa-sha2-256', 'key-data': 'BASE64VALUE='}]}, 'trust-anchor-certs': {'trust-anchor-cert':\
 ['BASE64VALUE=']}}}}

opaque = {'empty': [None], 'boolean': True, 'string': 'foobar', 'list': [1, 2, 3], 'dict': {'a': 1, \
'b': 2}}

sys.version = 3.8.2 (default, Nov 11 2020, 16:34:19)    
[Clang 12.0.0 (clang-1200.0.32.21)]

5.1.1 Administrator Accounts

The following tree diagram illustrates the NBI used for configuring “admin-accounts”.

  +--rw admin-accounts
     +--rw admin-account* [email-address]
        +--rw email-address                      string
        +--rw fullname?                          string
        +--rw password                           iana-crypt-hash:crypt-hash
        +--ro password-last-modified             ietf-yang-types:date-and-time
        +--rw access                             enumeration
        +---x resend-activation-email

Each account is keyed by an email address. Use of an email address enables mapping to subtenant mapping (for deployments running in product mode ‘x’, as email addresses are globally unique, and otherwise enables the email-based administrator account verification mechanism provided by SZTPD.

5.1.2 Audit Log

The following tree diagram illustrates the NBI used viewing audit logs (“ro” stands for “read-only”).

  +--ro audit-log
     +--ro log-entry*
        +--ro timestamp         ietf-yang-types:date-and-time
        +--ro source-ip         ietf-inet-types:ip-address
        +--ro source-proxies*   string
        +--ro host              string
        +--ro method            enumeration
        +--ro path              string
        +--ro outcome           enumeration
        +--ro comment?          string

5.1.3 Boot Images

The following tree diagram illustrates the NBI used for configuring boot-image records.

  +--rw boot-images {wn-sztpd-0:onboarding-supported}?
     +--rw boot-image* [name]
        +--rw name                          string
        +--rw os-name?                      string
        +--rw os-version?                   string
        +--rw download-uri*                 ietf-inet-types:uri
        +--rw image-verification* [hash-algorithm]
        |  +--rw hash-algorithm    identityref
        |  +--rw hash-value        ietf-yang-types:hex-string
        +--ro reference-statistics
           +--ro reference-count    uint32
           +--ro last-referenced    union

The boot-image records are used in constructing RFC 8572 based “onboarding information” responses.

5.1.4 Bootstrap Servers

The following tree diagram illustrates the NBI used for configuring “bootstrap-server” records.

  +--rw bootstrap-servers
     +--rw bootstrap-server* [name]
        +--rw name                          string
        +--rw address                       ietf-inet-types:host
        +--rw port?                         ietf-inet-types:port-number <443>
        +--rw trust-anchor?                 ietf-crypto-types:trust-anchor-cert-cms
        +--ro reference-statistics
           +--ro reference-count    uint32
           +--ro last-referenced    union

The bootstrap-server records are used in constructing RFC 8572 based “redirect information” responses.

5.1.5 Configurations

The following tree diagram illustrates the NBI used for configuring configuration records.

  +--rw configurations {wn-sztpd-0:onboarding-supported}?
     +--rw configuration* [name]
        +--rw name                          string
        +--rw configuration-handling?       enumeration
        +--rw config?                       binary
        +--ro reference-statistics
           +--ro reference-count    uint32
           +--ro last-referenced    union

The configuration records are used in constructing RFC 8572 based “onboarding information” responses.

5.1.6 Conveyed Information Responses

The following tree diagram illustrates the NBI used for configuring conveyed-information-responses records.

  +--rw conveyed-information-responses
     +--rw redirect-information-response* [name]
     |  +--rw name                          string
     |  +--rw redirect-information
     |  |  +--rw bootstrap-server*   -> ../../../../bootstrap-servers/bootstrap-server/name
     |  +--ro reference-statistics
     |     +--ro reference-count    uint32
     |     +--ro last-referenced    union
     +--rw onboarding-information-response* [name] {wn-sztpd-0:onboarding-supported}?
        +--rw name                          string
        +--rw onboarding-information
        |  +--rw boot-image                   -> ../../../../boot-images/boot-image/name
        |  +--rw pre-configuration-script?    -> ../../../../scripts/pre-configuration-script/name
        |  +--rw configuration?               -> ../../../../configurations/configuration/name
        |  +--rw post-configuration-script?   -> ../../../../scripts/post-configuration-script/name
        +--ro reference-statistics
           +--ro reference-count    uint32
           +--ro last-referenced    union

The conveyed-information-responses records are used in constructing RFC 8572 based “redirect” and “onboarding” information responses.

5.1.7 Device-Types

The “/device-types” tree enables configuration of device types to be recognized by the system.

Not only is being able to associate a device with a type helpful on its own, but each “device-type” entry enables more than just that, as explained below.

Each device-type can optionally indicate if devices of that type authenticate themselves with an identity certificate (e.g., an IDevID) and, if so, further indicate the trust-anchor certificate in the Truststore that can authenticate the device’s idenitity certificate. This enables application specific verification that the device’s client certificate (i.e., its IDevID) exactly matches the expected certificate chain.

Each device-type can also optionally specify a callout SZTPD should call in order to determine if the specific tenant is the rightful owner of the devices of that device type. The callout is specified per device-type as backend logic may vary by device-type.

Important: In the “tenant” view, this entire data-tree is read-only. That is, all the “rw” would be shown as “ro” if this were the tenant view’s tree diagram. The /device-types tree is read-only in the “tenant” view because device types can only be set at the system level via the ‘native’ view.

The following tree diagram illustrates the NBI used for configuring device records.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

  +--rw device-types
     +--rw device-type* [name]
        +--rw name                       string
        +--rw identity-certificates!
        |  +--rw verification
        |  |  +--rw local-truststore-reference {ietf-truststore:certificates}?
        |  |     +--rw certificate-bag    -> /truststore/certificate-bags/certificate-bag/name
        |  |     +--rw certificate        -> /truststore/certificate-bags/certificate-bag[name = current()/\
../certificate-bag]/certificate/name
        |  +--rw serial-number-extraction?   identityref <wn-x509-c2n:serial-number>
        +--rw ownership-authorization!
        |  +--rw dynamic-callout
        |     +--rw reference?   -> /dynamic-callouts/dynamic-callout/name
        +--rw voucher-aquisition!
           +--rw dynamic-callout
              +--rw reference?   -> /dynamic-callouts/dynamic-callout/name

5.1.8 Devices

The following tree diagram illustrates the NBI used for configuring device records.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

  +--rw devices
     +--rw device* [serial-number]
        +--rw serial-number                    string
        +--rw activation-code?                 iana-crypt-hash:crypt-hash
        +--rw response-manager
        |  +--rw matched-response* [name]
        |     +--rw name              string
        |     +--rw match-criteria!
        |     |  +--rw match* [key]
        |     |     +--rw key           string
        |     |     +--rw not?          empty
        |     |     +--rw (test-type)
        |     |        +--:(present)
        |     |        |  +--rw present?   empty
        |     |        +--:(value)
        |     |        |  +--rw value?   string
        |     |        +--:(regex)
        |     |           +--rw regex?   string
        |     +--rw response
        |        +--rw reporting-level?     enumeration <minimal> {wn-sztpd-0:onboarding-supported}?
        |        +--rw (response-handler)
        |           +--:(none)
        |           |  +--rw none?   empty
        |           +--:(managed-response)
        |              +--rw conveyed-information
        |                 +--rw (conveyed-information-handler)
        |                    +--:(use-dynamic-callout)
        |                    |  +--rw dynamic-callout
        |                    |     +--rw reference?   -> ../../../../../../../../dynamic-callouts/dynamic-c\
allout/name
        |                    +--:(redirect-information)
        |                    |  +--rw redirect-information
        |                    |     +--rw (local-or-reference)
        |                    |        +--:(reference)
        |                    |           +--rw reference?   -> ../../../../../../../../conveyed-information\
-responses/redirect-information-response/name
        |                    +--:(onboarding-information) {wn-sztpd-0:onboarding-supported}?
        |                       +--rw onboarding-information
        |                          +--rw (local-or-reference)
        |                             +--:(reference)
        |                                +--rw reference?   -> ../../../../../../../../conveyed-information\
-responses/onboarding-information-response/name
        +--ro bootstrapping-log
        |  +--ro log-entry*
        |     +--ro timestamp         ietf-yang-types:date-and-time
        |     +--ro source-ip         ietf-inet-types:ip-address
        |     +--ro method            string
        |     +--ro path              string
        |     +--ro return-code       uint16
        |     +--ro error-returned?   anydata
        |     +--ro event-details
        |        +--ro (event-type)
        |           +--:(get-bootstrapping-data-event)
        |           |  +--ro get-bootstrapping-data-event
        |           |     +--ro passed-input              anydata
        |           |     +--ro selected-response?        union
        |           |     +--ro response-details
        |           |        +--ro (response-type)
        |           |           +--:(managed-response)
        |           |              +--ro managed-response
        |           |                 +--ro conveyed-information
        |           |                    +--ro (conveyed-information-handler)
        |           |                       +--:(dynamic-callout)
        |           |                       |  +--ro dynamic-callout
        |           |                       |     +--ro (result-type)?
        |           |                       |        +--:(no-callout-configured)
        |           |                       |        |  +--ro no-callout-configured?   empty
        |           |                       |        +--:(callout-configured)
        |           |                       |           +--ro name                     string
        |           |                       |           +--ro rpc-supported            identityref
        |           |                       |           +--ro callout-type             enumeration
        |           |                       |           +--ro (callback-or-webhook)?
        |           |                       |              +--:(callback)
        |           |                       |                 +--ro callback-details
        |           |                       |                 |  +--ro plugin      string
        |           |                       |                 |  +--ro function    string
        |           |                       |                 +--ro callback-results
        |           |                       |                    +--ro (exit-status)
        |           |                       |                       +--:(exception-thrown)
        |           |                       |                       |  +--ro exception-thrown?   string
        |           |                       |                       +--:(exited-normally)
        |           |                       |                          +--ro exited-normally?   string
        |           |                       +--:(redirect-information)
        |           |                       |  +--ro redirect-information
        |           |                       |     +--ro (local-or-reference)
        |           |                       |        +--:(reference)
        |           |                       |           +--ro referenced-definition?   string
        |           |                       +--:(onboarding-information) {wn-sztpd-0:onboarding-supported}?
        |           |                          +--ro onboarding-information
        |           |                             +--ro (local-or-reference)
        |           |                                +--:(reference)
        |           |                                   +--ro referenced-definition?   string
        |           +--:(report-progress-event) {wn-sztpd-0:onboarding-supported}?
        |              +--ro report-progress-event
        |                 +--ro passed-input       anydata
        |                 +--ro dynamic-callout
        |                    +--ro (result-type)?
        |                       +--:(no-callout-configured)
        |                       |  +--ro no-callout-configured?   empty
        |                       +--:(callout-configured)
        |                          +--ro name                     string
        |                          +--ro rpc-supported            identityref
        |                          +--ro callout-type             enumeration
        |                          +--ro (callback-or-webhook)?
        |                             +--:(callback)
        |                                +--ro callback-details
        |                                |  +--ro plugin      string
        |                                |  +--ro function    string
        |                                +--ro callback-results
        |                                   +--ro (exit-status)
        |                                      +--:(exception-thrown)
        |                                      |  +--ro exception-thrown?   string
        |                                      +--:(exited-normally)
        |                                         +--ro exited-normally?   string
        +--ro lifecycle-statistics
        |  +--ro nbi-access-stats
        |  |  +--ro created               ietf-yang-types:date-and-time
        |  |  +--ro num-times-modified    uint16
        |  |  +--ro last-modified         ietf-yang-types:date-and-time
        |  +--ro sbi-access-stats
        |     +--ro num-times-accessed    uint16
        |     +--ro first-accessed        ietf-yang-types:date-and-time
        |     +--ro last-accessed         ietf-yang-types:date-and-time
        +--rw device-type                      -> /device-types/device-type/name

Device records are keyed by serial number, enabling device to tenant mapping, as serial numbers are globally unique.

Each device record includes the device’s lifecycle statistics (key north and south bound interactions) and bootstrapping log (a history of device-initiated interactions)

The device records are used in constructing RFC 8572 based “redirect” and “onboarding” information responses.

5.1.9 Dynamic Callouts

The following tree diagram illustrates the NBI used for configuring dynamic callouts that, at this time, must be implemented by a plugin-based callback but, in a future release, may be implemented as via a webhook.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

  +--rw dynamic-callouts
     +--rw dynamic-callout* [name]
        +--rw name             string
        +--rw rpc-supported    identityref
        +--rw (callout-type)
           +--:(use-callback)
              +--rw callback
              |  +--rw plugin      -> /preferences/system/plugins/plugin/name
              |  +--rw function    -> /preferences/system/plugins/plugin[name = current()/../plugin]/functi\
ons/function/name
              +--rw opaque?     anydata

5.1.10 Keystore

The following tree diagram illustrates the NBI used for configuring keys held in the keystore.

  +--rw keystore
     +--rw asymmetric-keys
     |  +--rw asymmetric-key* [name]
     |     +--rw name                                   string
     |     +--rw public-key-format                      identityref
     |     +--rw public-key                             binary
     |     +--rw private-key-format?                    identityref
     |     +--rw (private-key-type)
     |     |  +--:(cleartext-private-key)
     |     |  |  +--rw cleartext-private-key?   binary
     |     |  +--:(hidden-private-key)
     |     |     +--rw hidden-private-key?   empty
     |     +--rw certificates
     |     |  +--rw certificate* [name]
     |     |     +--rw name                          string
     |     |     +--rw cert-data                     ietf-crypto-types:end-entity-cert-cms
     |     |     +--ro reference-statistics
     |     |        +--ro reference-count    uint32
     |     |        +--ro last-referenced    union
     |     +--ro reference-statistics
     |        +--ro reference-count    uint32
     |        +--ro last-referenced    union
     +--rw symmetric-keys
        +--rw symmetric-key* [name]
           +--rw name          string
           +--rw key-format?   identityref
           +--rw (key-type)
              +--:(cleartext-key)
              |  +--rw cleartext-key?   binary
              +--:(hidden-key)
                 +--rw hidden-key?   empty

The keys held in the keystore are used in the transport configuration, e.g., to hold SZTPD’s private key used for each listening port (see the Listening Ports and the APIs They Present in the Installation Guide).

5.1.11 Preferences

The following tree diagram illustrates the NBI used for configuring system and tenant-level preferences.

  +--rw preferences
     +--rw admin-accounts
     |  +--rw new-account-verification
     |  |  +--rw subject?   string
     |  |  +--rw cc?        string
     |  |  +--rw body?      string
     |  +--rw passwords
     |     +--rw strength-testing!
     |        +--rw min-length?   uint16 <16>
     +--rw outbound-interactions
     |  +--rw relay-notification-callout?      -> ../../../dynamic-callouts/dynamic-callout/name
     |  +--rw relay-progress-report-callout?   -> ../../../dynamic-callouts/dynamic-callout/name
     +--rw system
        +--rw hostname?             ietf-inet-types:host
        +--rw email-from-address?   string <SZTPD Administrator <root@$SZTP-SERVER-ADDRESS>>
        +--rw features
        |  +--rw onboarding-supported?   boolean <true> {wn-sztpd-0:onboarding-supported}?
        +--rw plugins
           +--rw plugin* [name]
              +--rw name         string
              +--rw functions
                 +--rw function* [name]
                    +--rw name    string

5.1.12 Scripts

The following tree diagram illustrates the NBI used for configuring script records.

  +--rw scripts {wn-sztpd-0:onboarding-supported}?
     +--rw pre-configuration-script* [name]
     |  +--rw name                          string
     |  +--rw script?                       ietf-sztp-conveyed-info:script
     |  +--ro reference-statistics
     |     +--ro reference-count    uint32
     |     +--ro last-referenced    union
     +--rw post-configuration-script* [name]
        +--rw name                          string
        +--rw script?                       ietf-sztp-conveyed-info:script
        +--ro reference-statistics
           +--ro reference-count    uint32
           +--ro last-referenced    union

The script records are used in constructing RFC 8572 based “onboarding information” responses.

5.1.13 Tenants

For deployments using product mode ‘x’, the following tree diagram illustrates a snippet of the NBI used for configuring tenants.

  +--rw tenants
     +--rw tenant* [name]

Unlike all the other Northbound Interface sections, this section illustrates only the place in the hierarchy where the tenant containers are defined. Not shown are that each tenant container contains an instance of every other Northbound Interface section in it as well (with exception to the transport, which can only be configured by the host system.

5.1.14 Transport

The following tree diagram illustrates the NBI used for configuring transport records.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

  +--rw transport
     +--rw listen! {ietf-restconf-server:http-listen or ietf-restconf-server:https-listen}?
        +--rw endpoint* [name]
           +--rw name          string
           +--rw (transport)
           |  +--:(http) {ietf-restconf-server:http-listen}?
           |  |  +--rw http
           |  |     +--rw external-endpoint!
           |  |     |  +--rw address    ietf-inet-types:ip-address
           |  |     |  +--rw port?      ietf-inet-types:port-number <443>
           |  |     +--rw tcp-server-parameters
           |  |     |  +--rw local-address    ietf-inet-types:ip-address
           |  |     |  +--rw local-port?      ietf-inet-types:port-number <80>
           |  |     +--rw http-server-parameters
           |  |     |  +--rw server-name?             string
           |  |     +--rw restconf-server-parameters
           |  |        +--rw client-identity-mappings
           |  |           +--rw cert-to-name* [id]
           |  |              +--rw id             uint32
           |  |              +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
           |  |              +--rw map-type       identityref
           |  |              +--rw name           string
           |  +--:(https) {ietf-restconf-server:https-listen}?
           |     +--rw https
           |        +--rw tcp-server-parameters
           |        |  +--rw local-address    ietf-inet-types:ip-address
           |        |  +--rw local-port?      ietf-inet-types:port-number <443>
           |        +--rw tls-server-parameters
           |        |  +--rw server-identity
           |        |  |  +--rw (auth-type)
           |        |  |     +--:(certificate) {ietf-tls-server:x509-certificate-auth}?
           |        |  |        +--rw certificate
           |        |  |           +--rw (local-or-keystore)
           |        |  |              +--:(local-keystore)
           |        |  |                 +--rw reference
           |        |  |                    +--rw asymmetric-key?   -> /keystore/asymmetric-keys/asymmetric\
-key/name
           |        |  |                    +--rw certificate?      -> /keystore/asymmetric-keys/asymmetric\
-key[name = current()/../asymmetric-key]/certificates/certificate/name
           |        |  +--rw client-authentication! {ietf-tls-server:client-auth-config-supported}?
           |        |     +--rw ca-certs! {ietf-tls-server:x509-certificate-auth}?
           |        |     |  +--rw (local-or-truststore)
           |        |     |     +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
           |        |     |        +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
           |        |     +--rw ee-certs! {ietf-tls-server:x509-certificate-auth}?
           |        |        +--rw (local-or-truststore)
           |        |           +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
           |        |              +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
           |        +--rw http-server-parameters
           |        |  +--rw server-name?             string
           |        +--rw restconf-server-parameters
           |           +--rw client-identity-mappings
           |              +--rw cert-to-name* [id]
           |                 +--rw id             uint32
           |                 +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
           |                 +--rw map-type       identityref
           |                 +--rw name           string
           +--rw use-for       enumeration

Each device records includes the device’s bootstrapping log, a history of interactions with the device.

The transport configuration defines the listening ports SZTPD opens.

5.1.15 Truststore

The following tree diagram illustrates the NBI used for configuring trust-anchors held in the truststore.

  +--rw truststore
     +--rw certificate-bags! {ietf-truststore:certificates}?
        +--rw certificate-bag* [name]
           +--rw name                          string
           +--rw description?                  string
           +--rw certificate* [name]
           |  +--rw name                          string
           |  +--rw cert-data                     ietf-crypto-types:trust-anchor-cert-cms
           |  +--ro reference-statistics
           |     +--ro reference-count    uint32
           |     +--ro last-referenced    union
           +--ro reference-statistics
              +--ro reference-count    uint32
              +--ro last-referenced    union

The trust-anchors held in the truststore are use for many purposes (e.g., to authenticate clients, to authenticate remote systems, etc.).

5.2.1 Mode-1’s native view

The following tree diagram illustrates the entire NBI, from the perspective of the Mode ‘1’ native interface.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

module: wn-sztpd-1
  +--rw preferences
  |  +--rw admin-accounts
  |  |  +--rw new-account-verification
  |  |  |  +--rw subject?   string
  |  |  |  +--rw cc?        string
  |  |  |  +--rw body?      string
  |  |  +--rw passwords
  |  |     +--rw strength-testing!
  |  |        +--rw min-length?   uint16 <16>
  |  +--rw outbound-interactions
  |  |  +--rw relay-notification-callout?      -> ../../../dynamic-callouts/dynamic-callout/name
  |  |  +--rw relay-progress-report-callout?   -> ../../../dynamic-callouts/dynamic-callout/name
  |  +--rw system
  |     +--rw hostname?             ietf-inet-types:host
  |     +--rw email-from-address?   string <SZTPD Administrator <root@$SZTP-SERVER-ADDRESS>>
  |     +--rw features
  |     |  +--rw onboarding-supported?   boolean <true> {wn-sztpd-0:onboarding-supported}?
  |     +--rw plugins
  |        +--rw plugin* [name]
  |           +--rw name         string
  |           +--rw functions
  |              +--rw function* [name]
  |                 +--rw name    string
  +--rw admin-accounts
  |  +--rw admin-account* [email-address]
  |     +--rw email-address                      string
  |     +--rw fullname?                          string
  |     +--rw password                           iana-crypt-hash:crypt-hash
  |     +--ro password-last-modified             ietf-yang-types:date-and-time
  |     +--rw access                             enumeration
  |     +---x resend-activation-email
  +--ro audit-log
  |  +--ro log-entry*
  |     +--ro timestamp         ietf-yang-types:date-and-time
  |     +--ro source-ip         ietf-inet-types:ip-address
  |     +--ro source-proxies*   string
  |     +--ro host              string
  |     +--ro method            enumeration
  |     +--ro path              string
  |     +--ro outcome           enumeration
  |     +--ro comment?          string
  +--rw truststore
  |  +--rw certificate-bags! {ietf-truststore:certificates}?
  |     +--rw certificate-bag* [name]
  |        +--rw name                          string
  |        +--rw description?                  string
  |        +--rw certificate* [name]
  |        |  +--rw name                          string
  |        |  +--rw cert-data                     ietf-crypto-types:trust-anchor-cert-cms
  |        |  +--ro reference-statistics
  |        |     +--ro reference-count    uint32
  |        |     +--ro last-referenced    union
  |        +--ro reference-statistics
  |           +--ro reference-count    uint32
  |           +--ro last-referenced    union
  +--rw keystore {not system-level-administration-disabled}?
  |  +--rw asymmetric-keys
  |  |  +--rw asymmetric-key* [name]
  |  |     +--rw name                                   string
  |  |     +--rw public-key-format                      identityref
  |  |     +--rw public-key                             binary
  |  |     +--rw private-key-format?                    identityref
  |  |     +--rw (private-key-type)
  |  |     |  +--:(cleartext-private-key)
  |  |     |  |  +--rw cleartext-private-key?   binary
  |  |     |  +--:(hidden-private-key)
  |  |     |     +--rw hidden-private-key?   empty
  |  |     +--rw certificates
  |  |     |  +--rw certificate* [name]
  |  |     |     +--rw name                          string
  |  |     |     +--rw cert-data                     ietf-crypto-types:end-entity-cert-cms
  |  |     |     +--ro reference-statistics
  |  |     |        +--ro reference-count    uint32
  |  |     |        +--ro last-referenced    union
  |  |     +--ro reference-statistics
  |  |        +--ro reference-count    uint32
  |  |        +--ro last-referenced    union
  |  +--rw symmetric-keys
  |     +--rw symmetric-key* [name]
  |        +--rw name          string
  |        +--rw key-format?   identityref
  |        +--rw (key-type)
  |           +--:(cleartext-key)
  |           |  +--rw cleartext-key?   binary
  |           +--:(hidden-key)
  |              +--rw hidden-key?   empty
  +--rw dynamic-callouts
  |  +--rw dynamic-callout* [name]
  |     +--rw name             string
  |     +--rw rpc-supported    identityref
  |     +--rw (callout-type)
  |        +--:(use-callback)
  |           +--rw callback
  |           |  +--rw plugin      -> /preferences/system/plugins/plugin/name
  |           |  +--rw function    -> /preferences/system/plugins/plugin[name = current()/../plugin]/functi\
ons/function/name
  |           +--rw opaque?     anydata
  +--rw transport {not system-level-administration-disabled}?
  |  +--rw listen! {ietf-restconf-server:http-listen or ietf-restconf-server:https-listen}?
  |     +--rw endpoint* [name]
  |        +--rw name          string
  |        +--rw (transport)
  |        |  +--:(http) {ietf-restconf-server:http-listen}?
  |        |  |  +--rw http
  |        |  |     +--rw external-endpoint!
  |        |  |     |  +--rw address    ietf-inet-types:ip-address
  |        |  |     |  +--rw port?      ietf-inet-types:port-number <443>
  |        |  |     +--rw tcp-server-parameters
  |        |  |     |  +--rw local-address    ietf-inet-types:ip-address
  |        |  |     |  +--rw local-port?      ietf-inet-types:port-number <80>
  |        |  |     +--rw http-server-parameters
  |        |  |     |  +--rw server-name?             string
  |        |  |     +--rw restconf-server-parameters
  |        |  |        +--rw client-identity-mappings
  |        |  |           +--rw cert-to-name* [id]
  |        |  |              +--rw id             uint32
  |        |  |              +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
  |        |  |              +--rw map-type       identityref
  |        |  |              +--rw name           string
  |        |  +--:(https) {ietf-restconf-server:https-listen}?
  |        |     +--rw https
  |        |        +--rw tcp-server-parameters
  |        |        |  +--rw local-address    ietf-inet-types:ip-address
  |        |        |  +--rw local-port?      ietf-inet-types:port-number <443>
  |        |        +--rw tls-server-parameters
  |        |        |  +--rw server-identity
  |        |        |  |  +--rw (auth-type)
  |        |        |  |     +--:(certificate) {ietf-tls-server:x509-certificate-auth}?
  |        |        |  |        +--rw certificate
  |        |        |  |           +--rw (local-or-keystore)
  |        |        |  |              +--:(local-keystore)
  |        |        |  |                 +--rw reference
  |        |        |  |                    +--rw asymmetric-key?   -> /keystore/asymmetric-keys/asymmetric\
-key/name
  |        |        |  |                    +--rw certificate?      -> /keystore/asymmetric-keys/asymmetric\
-key[name = current()/../asymmetric-key]/certificates/certificate/name
  |        |        |  +--rw client-authentication! {ietf-tls-server:client-auth-config-supported}?
  |        |        |     +--rw ca-certs! {ietf-tls-server:x509-certificate-auth}?
  |        |        |     |  +--rw (local-or-truststore)
  |        |        |     |     +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
  |        |        |     |        +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
  |        |        |     +--rw ee-certs! {ietf-tls-server:x509-certificate-auth}?
  |        |        |        +--rw (local-or-truststore)
  |        |        |           +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
  |        |        |              +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
  |        |        +--rw http-server-parameters
  |        |        |  +--rw server-name?             string
  |        |        +--rw restconf-server-parameters
  |        |           +--rw client-identity-mappings
  |        |              +--rw cert-to-name* [id]
  |        |                 +--rw id             uint32
  |        |                 +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
  |        |                 +--rw map-type       identityref
  |        |                 +--rw name           string
  |        +--rw use-for       enumeration
  +--rw device-types
  |  +--rw device-type* [name]
  |     +--rw name                       string
  |     +--rw identity-certificates!
  |     |  +--rw verification
  |     |  |  +--rw local-truststore-reference {ietf-truststore:certificates}?
  |     |  |     +--rw certificate-bag    -> /truststore/certificate-bags/certificate-bag/name
  |     |  |     +--rw certificate        -> /truststore/certificate-bags/certificate-bag[name = current()/\
../certificate-bag]/certificate/name
  |     |  +--rw serial-number-extraction?   identityref <wn-x509-c2n:serial-number>
  |     +--rw ownership-authorization!
  |     |  +--rw dynamic-callout
  |     |     +--rw reference?   -> /dynamic-callouts/dynamic-callout/name
  |     +--rw voucher-aquisition!
  |        +--rw dynamic-callout
  |           +--rw reference?   -> /dynamic-callouts/dynamic-callout/name
  +--rw bootstrap-servers
  |  +--rw bootstrap-server* [name]
  |     +--rw name                          string
  |     +--rw address                       ietf-inet-types:host
  |     +--rw port?                         ietf-inet-types:port-number <443>
  |     +--rw trust-anchor?                 ietf-crypto-types:trust-anchor-cert-cms
  |     +--ro reference-statistics
  |        +--ro reference-count    uint32
  |        +--ro last-referenced    union
  +--rw boot-images {wn-sztpd-0:onboarding-supported}?
  |  +--rw boot-image* [name]
  |     +--rw name                          string
  |     +--rw os-name?                      string
  |     +--rw os-version?                   string
  |     +--rw download-uri*                 ietf-inet-types:uri
  |     +--rw image-verification* [hash-algorithm]
  |     |  +--rw hash-algorithm    identityref
  |     |  +--rw hash-value        ietf-yang-types:hex-string
  |     +--ro reference-statistics
  |        +--ro reference-count    uint32
  |        +--ro last-referenced    union
  +--rw scripts {wn-sztpd-0:onboarding-supported}?
  |  +--rw pre-configuration-script* [name]
  |  |  +--rw name                          string
  |  |  +--rw script?                       ietf-sztp-conveyed-info:script
  |  |  +--ro reference-statistics
  |  |     +--ro reference-count    uint32
  |  |     +--ro last-referenced    union
  |  +--rw post-configuration-script* [name]
  |     +--rw name                          string
  |     +--rw script?                       ietf-sztp-conveyed-info:script
  |     +--ro reference-statistics
  |        +--ro reference-count    uint32
  |        +--ro last-referenced    union
  +--rw configurations {wn-sztpd-0:onboarding-supported}?
  |  +--rw configuration* [name]
  |     +--rw name                          string
  |     +--rw configuration-handling?       enumeration
  |     +--rw config?                       binary
  |     +--ro reference-statistics
  |        +--ro reference-count    uint32
  |        +--ro last-referenced    union
  +--rw conveyed-information-responses
  |  +--rw redirect-information-response* [name]
  |  |  +--rw name                          string
  |  |  +--rw redirect-information
  |  |  |  +--rw bootstrap-server*   -> ../../../../bootstrap-servers/bootstrap-server/name
  |  |  +--ro reference-statistics
  |  |     +--ro reference-count    uint32
  |  |     +--ro last-referenced    union
  |  +--rw onboarding-information-response* [name] {wn-sztpd-0:onboarding-supported}?
  |     +--rw name                          string
  |     +--rw onboarding-information
  |     |  +--rw boot-image                   -> ../../../../boot-images/boot-image/name
  |     |  +--rw pre-configuration-script?    -> ../../../../scripts/pre-configuration-script/name
  |     |  +--rw configuration?               -> ../../../../configurations/configuration/name
  |     |  +--rw post-configuration-script?   -> ../../../../scripts/post-configuration-script/name
  |     +--ro reference-statistics
  |        +--ro reference-count    uint32
  |        +--ro last-referenced    union
  +--rw devices
     +--rw device* [serial-number]
        +--rw serial-number                    string
        +--rw activation-code?                 iana-crypt-hash:crypt-hash
        +--rw response-manager
        |  +--rw matched-response* [name]
        |     +--rw name              string
        |     +--rw match-criteria!
        |     |  +--rw match* [key]
        |     |     +--rw key           string
        |     |     +--rw not?          empty
        |     |     +--rw (test-type)
        |     |        +--:(present)
        |     |        |  +--rw present?   empty
        |     |        +--:(value)
        |     |        |  +--rw value?   string
        |     |        +--:(regex)
        |     |           +--rw regex?   string
        |     +--rw response
        |        +--rw reporting-level?     enumeration <minimal> {wn-sztpd-0:onboarding-supported}?
        |        +--rw (response-handler)
        |           +--:(none)
        |           |  +--rw none?   empty
        |           +--:(managed-response)
        |              +--rw conveyed-information
        |                 +--rw (conveyed-information-handler)
        |                    +--:(use-dynamic-callout)
        |                    |  +--rw dynamic-callout
        |                    |     +--rw reference?   -> ../../../../../../../../dynamic-callouts/dynamic-c\
allout/name
        |                    +--:(redirect-information)
        |                    |  +--rw redirect-information
        |                    |     +--rw (local-or-reference)
        |                    |        +--:(reference)
        |                    |           +--rw reference?   -> ../../../../../../../../conveyed-information\
-responses/redirect-information-response/name
        |                    +--:(onboarding-information) {wn-sztpd-0:onboarding-supported}?
        |                       +--rw onboarding-information
        |                          +--rw (local-or-reference)
        |                             +--:(reference)
        |                                +--rw reference?   -> ../../../../../../../../conveyed-information\
-responses/onboarding-information-response/name
        +--ro bootstrapping-log
        |  +--ro log-entry*
        |     +--ro timestamp         ietf-yang-types:date-and-time
        |     +--ro source-ip         ietf-inet-types:ip-address
        |     +--ro method            string
        |     +--ro path              string
        |     +--ro return-code       uint16
        |     +--ro error-returned?   anydata
        |     +--ro event-details
        |        +--ro (event-type)
        |           +--:(get-bootstrapping-data-event)
        |           |  +--ro get-bootstrapping-data-event
        |           |     +--ro passed-input              anydata
        |           |     +--ro selected-response?        union
        |           |     +--ro response-details
        |           |        +--ro (response-type)
        |           |           +--:(managed-response)
        |           |              +--ro managed-response
        |           |                 +--ro conveyed-information
        |           |                    +--ro (conveyed-information-handler)
        |           |                       +--:(dynamic-callout)
        |           |                       |  +--ro dynamic-callout
        |           |                       |     +--ro (result-type)?
        |           |                       |        +--:(no-callout-configured)
        |           |                       |        |  +--ro no-callout-configured?   empty
        |           |                       |        +--:(callout-configured)
        |           |                       |           +--ro name                     string
        |           |                       |           +--ro rpc-supported            identityref
        |           |                       |           +--ro callout-type             enumeration
        |           |                       |           +--ro (callback-or-webhook)?
        |           |                       |              +--:(callback)
        |           |                       |                 +--ro callback-details
        |           |                       |                 |  +--ro plugin      string
        |           |                       |                 |  +--ro function    string
        |           |                       |                 +--ro callback-results
        |           |                       |                    +--ro (exit-status)
        |           |                       |                       +--:(exception-thrown)
        |           |                       |                       |  +--ro exception-thrown?   string
        |           |                       |                       +--:(exited-normally)
        |           |                       |                          +--ro exited-normally?   string
        |           |                       +--:(redirect-information)
        |           |                       |  +--ro redirect-information
        |           |                       |     +--ro (local-or-reference)
        |           |                       |        +--:(reference)
        |           |                       |           +--ro referenced-definition?   string
        |           |                       +--:(onboarding-information) {wn-sztpd-0:onboarding-supported}?
        |           |                          +--ro onboarding-information
        |           |                             +--ro (local-or-reference)
        |           |                                +--:(reference)
        |           |                                   +--ro referenced-definition?   string
        |           +--:(report-progress-event) {wn-sztpd-0:onboarding-supported}?
        |              +--ro report-progress-event
        |                 +--ro passed-input       anydata
        |                 +--ro dynamic-callout
        |                    +--ro (result-type)?
        |                       +--:(no-callout-configured)
        |                       |  +--ro no-callout-configured?   empty
        |                       +--:(callout-configured)
        |                          +--ro name                     string
        |                          +--ro rpc-supported            identityref
        |                          +--ro callout-type             enumeration
        |                          +--ro (callback-or-webhook)?
        |                             +--:(callback)
        |                                +--ro callback-details
        |                                |  +--ro plugin      string
        |                                |  +--ro function    string
        |                                +--ro callback-results
        |                                   +--ro (exit-status)
        |                                      +--:(exception-thrown)
        |                                      |  +--ro exception-thrown?   string
        |                                      +--:(exited-normally)
        |                                         +--ro exited-normally?   string
        +--ro lifecycle-statistics
        |  +--ro nbi-access-stats
        |  |  +--ro created               ietf-yang-types:date-and-time
        |  |  +--ro num-times-modified    uint16
        |  |  +--ro last-modified         ietf-yang-types:date-and-time
        |  +--ro sbi-access-stats
        |     +--ro num-times-accessed    uint16
        |     +--ro first-accessed        ietf-yang-types:date-and-time
        |     +--ro last-accessed         ietf-yang-types:date-and-time
        +--rw device-type                      -> /device-types/device-type/name

5.2.2 Mode-X’s native view

The following tree diagram illustrates the entire NBI, from the perspective of the Mode ‘x’ native interface (not the tenant interface.

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

module: wn-sztpd-x
  +--rw device-types
  |  +--rw device-type* [name]
  |     +--rw name                       string
  |     +--rw identity-certificates!
  |     |  +--rw verification
  |     |  |  +--rw local-truststore-reference {ietf-truststore:certificates}?
  |     |  |     +--rw certificate-bag    -> /truststore/certificate-bags/certificate-bag/name
  |     |  |     +--rw certificate        -> /truststore/certificate-bags/certificate-bag[name = current()/\
../certificate-bag]/certificate/name
  |     |  +--rw serial-number-extraction?   identityref <wn-x509-c2n:serial-number>
  |     +--rw ownership-authorization!
  |     |  +--rw dynamic-callout
  |     |     +--rw reference?   -> /dynamic-callouts/dynamic-callout/name
  |     +--rw voucher-aquisition!
  |        +--rw dynamic-callout
  |           +--rw reference?   -> /dynamic-callouts/dynamic-callout/name
  +--rw preferences
  |  +--rw admin-accounts
  |  |  +--rw new-account-verification
  |  |  |  +--rw subject?   string
  |  |  |  +--rw cc?        string
  |  |  |  +--rw body?      string
  |  |  +--rw passwords
  |  |     +--rw strength-testing!
  |  |        +--rw min-length?   uint16 <16>
  |  +--rw outbound-interactions
  |  |  +--rw relay-notification-callout?      -> ../../../dynamic-callouts/dynamic-callout/name
  |  |  +--rw relay-progress-report-callout?   -> ../../../dynamic-callouts/dynamic-callout/name
  |  +--rw system
  |     +--rw hostname?             ietf-inet-types:host
  |     +--rw email-from-address?   string <SZTPD Administrator <root@$SZTP-SERVER-ADDRESS>>
  |     +--rw features
  |     |  +--rw onboarding-supported?   boolean <true> {wn-sztpd-0:onboarding-supported}?
  |     +--rw plugins
  |        +--rw plugin* [name]
  |           +--rw name         string
  |           +--rw functions
  |              +--rw function* [name]
  |                 +--rw name    string
  +--rw admin-accounts
  |  +--rw admin-account* [email-address]
  |     +--rw email-address                      string
  |     +--rw fullname?                          string
  |     +--rw password                           iana-crypt-hash:crypt-hash
  |     +--ro password-last-modified             ietf-yang-types:date-and-time
  |     +--rw access                             enumeration
  |     +---x resend-activation-email
  +--ro audit-log
  |  +--ro log-entry*
  |     +--ro timestamp         ietf-yang-types:date-and-time
  |     +--ro source-ip         ietf-inet-types:ip-address
  |     +--ro source-proxies*   string
  |     +--ro host              string
  |     +--ro method            enumeration
  |     +--ro path              string
  |     +--ro outcome           enumeration
  |     +--ro comment?          string
  +--rw truststore
  |  +--rw certificate-bags! {ietf-truststore:certificates}?
  |     +--rw certificate-bag* [name]
  |        +--rw name                          string
  |        +--rw description?                  string
  |        +--rw certificate* [name]
  |        |  +--rw name                          string
  |        |  +--rw cert-data                     ietf-crypto-types:trust-anchor-cert-cms
  |        |  +--ro reference-statistics
  |        |     +--ro reference-count    uint32
  |        |     +--ro last-referenced    union
  |        +--ro reference-statistics
  |           +--ro reference-count    uint32
  |           +--ro last-referenced    union
  +--rw keystore
  |  +--rw asymmetric-keys
  |  |  +--rw asymmetric-key* [name]
  |  |     +--rw name                                   string
  |  |     +--rw public-key-format                      identityref
  |  |     +--rw public-key                             binary
  |  |     +--rw private-key-format?                    identityref
  |  |     +--rw (private-key-type)
  |  |     |  +--:(cleartext-private-key)
  |  |     |  |  +--rw cleartext-private-key?   binary
  |  |     |  +--:(hidden-private-key)
  |  |     |     +--rw hidden-private-key?   empty
  |  |     +--rw certificates
  |  |     |  +--rw certificate* [name]
  |  |     |     +--rw name                          string
  |  |     |     +--rw cert-data                     ietf-crypto-types:end-entity-cert-cms
  |  |     |     +--ro reference-statistics
  |  |     |        +--ro reference-count    uint32
  |  |     |        +--ro last-referenced    union
  |  |     +--ro reference-statistics
  |  |        +--ro reference-count    uint32
  |  |        +--ro last-referenced    union
  |  +--rw symmetric-keys
  |     +--rw symmetric-key* [name]
  |        +--rw name          string
  |        +--rw key-format?   identityref
  |        +--rw (key-type)
  |           +--:(cleartext-key)
  |           |  +--rw cleartext-key?   binary
  |           +--:(hidden-key)
  |              +--rw hidden-key?   empty
  +--rw dynamic-callouts
  |  +--rw dynamic-callout* [name]
  |     +--rw name             string
  |     +--rw rpc-supported    identityref
  |     +--rw (callout-type)
  |        +--:(use-callback)
  |           +--rw callback
  |           |  +--rw plugin      -> /preferences/system/plugins/plugin/name
  |           |  +--rw function    -> /preferences/system/plugins/plugin[name = current()/../plugin]/functi\
ons/function/name
  |           +--rw opaque?     anydata
  +--rw transport
  |  +--rw listen! {ietf-restconf-server:http-listen or ietf-restconf-server:https-listen}?
  |     +--rw endpoint* [name]
  |        +--rw name          string
  |        +--rw (transport)
  |        |  +--:(http) {ietf-restconf-server:http-listen}?
  |        |  |  +--rw http
  |        |  |     +--rw external-endpoint!
  |        |  |     |  +--rw address    ietf-inet-types:ip-address
  |        |  |     |  +--rw port?      ietf-inet-types:port-number <443>
  |        |  |     +--rw tcp-server-parameters
  |        |  |     |  +--rw local-address    ietf-inet-types:ip-address
  |        |  |     |  +--rw local-port?      ietf-inet-types:port-number <80>
  |        |  |     +--rw http-server-parameters
  |        |  |     |  +--rw server-name?             string
  |        |  |     +--rw restconf-server-parameters
  |        |  |        +--rw client-identity-mappings
  |        |  |           +--rw cert-to-name* [id]
  |        |  |              +--rw id             uint32
  |        |  |              +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
  |        |  |              +--rw map-type       identityref
  |        |  |              +--rw name           string
  |        |  +--:(https) {ietf-restconf-server:https-listen}?
  |        |     +--rw https
  |        |        +--rw tcp-server-parameters
  |        |        |  +--rw local-address    ietf-inet-types:ip-address
  |        |        |  +--rw local-port?      ietf-inet-types:port-number <443>
  |        |        +--rw tls-server-parameters
  |        |        |  +--rw server-identity
  |        |        |  |  +--rw (auth-type)
  |        |        |  |     +--:(certificate) {ietf-tls-server:x509-certificate-auth}?
  |        |        |  |        +--rw certificate
  |        |        |  |           +--rw (local-or-keystore)
  |        |        |  |              +--:(local-keystore)
  |        |        |  |                 +--rw reference
  |        |        |  |                    +--rw asymmetric-key?   -> /keystore/asymmetric-keys/asymmetric\
-key/name
  |        |        |  |                    +--rw certificate?      -> /keystore/asymmetric-keys/asymmetric\
-key[name = current()/../asymmetric-key]/certificates/certificate/name
  |        |        |  +--rw client-authentication! {ietf-tls-server:client-auth-config-supported}?
  |        |        |     +--rw ca-certs! {ietf-tls-server:x509-certificate-auth}?
  |        |        |     |  +--rw (local-or-truststore)
  |        |        |     |     +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
  |        |        |     |        +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
  |        |        |     +--rw ee-certs! {ietf-tls-server:x509-certificate-auth}?
  |        |        |        +--rw (local-or-truststore)
  |        |        |           +--:(local-truststore) {ietf-truststore:certificates,ietf-tls-server:client\
-auth-config-supported}?
  |        |        |              +--rw local-truststore-reference?   -> /truststore/certificate-bags/cert\
ificate-bag/name
  |        |        +--rw http-server-parameters
  |        |        |  +--rw server-name?             string
  |        |        +--rw restconf-server-parameters
  |        |           +--rw client-identity-mappings
  |        |              +--rw cert-to-name* [id]
  |        |                 +--rw id             uint32
  |        |                 +--rw fingerprint?   ietf-x509-cert-to-name:tls-fingerprint
  |        |                 +--rw map-type       identityref
  |        |                 +--rw name           string
  |        +--rw use-for       enumeration
  +--rw tenants
     +--rw tenant* [name]
        +--rw name                              string
        +--rw preferences
        |  +--rw admin-accounts
        |  |  +--rw new-account-verification
        |  |  |  +--rw subject?   string
        |  |  |  +--rw cc?        string
        |  |  |  +--rw body?      string
        |  |  +--rw passwords
        |  |     +--rw strength-testing!
        |  |        +--rw min-length?   uint16 <16>
        |  +--rw outbound-interactions
        |     +--rw relay-notification-callout?      -> ../../../dynamic-callouts/dynamic-callout/name
        |     +--rw relay-progress-report-callout?   -> ../../../dynamic-callouts/dynamic-callout/name
        +--rw admin-accounts
        |  +--rw admin-account* [email-address]
        |     +--rw email-address                      string
        |     +--rw fullname?                          string
        |     +--rw password                           iana-crypt-hash:crypt-hash
        |     +--ro password-last-modified             ietf-yang-types:date-and-time
        |     +--rw access                             enumeration
        |     +---x resend-activation-email
        +--ro audit-log
        |  +--ro log-entry*
        |     +--ro timestamp         ietf-yang-types:date-and-time
        |     +--ro source-ip         ietf-inet-types:ip-address
        |     +--ro source-proxies*   string
        |     +--ro host              string
        |     +--ro method            enumeration
        |     +--ro path              string
        |     +--ro outcome           enumeration
        |     +--ro comment?          string
        +--rw truststore
        |  +--rw certificate-bags! {ietf-truststore:certificates}?
        |     +--rw certificate-bag* [name]
        |        +--rw name                          string
        |        +--rw description?                  string
        |        +--rw certificate* [name]
        |        |  +--rw name                          string
        |        |  +--rw cert-data                     ietf-crypto-types:trust-anchor-cert-cms
        |        |  +--ro reference-statistics
        |        |     +--ro reference-count    uint32
        |        |     +--ro last-referenced    union
        |        +--ro reference-statistics
        |           +--ro reference-count    uint32
        |           +--ro last-referenced    union
        +--rw keystore
        |  +--rw asymmetric-keys
        |  |  +--rw asymmetric-key* [name]
        |  |     +--rw name                                   string
        |  |     +--rw public-key-format                      identityref
        |  |     +--rw public-key                             binary
        |  |     +--rw private-key-format?                    identityref
        |  |     +--rw (private-key-type)
        |  |     |  +--:(cleartext-private-key)
        |  |     |  |  +--rw cleartext-private-key?   binary
        |  |     |  +--:(hidden-private-key)
        |  |     |     +--rw hidden-private-key?   empty
        |  |     +--rw certificates
        |  |     |  +--rw certificate* [name]
        |  |     |     +--rw name                          string
        |  |     |     +--rw cert-data                     ietf-crypto-types:end-entity-cert-cms
        |  |     |     +--ro reference-statistics
        |  |     |        +--ro reference-count    uint32
        |  |     |        +--ro last-referenced    union
        |  |     +--ro reference-statistics
        |  |        +--ro reference-count    uint32
        |  |        +--ro last-referenced    union
        |  +--rw symmetric-keys
        |     +--rw symmetric-key* [name]
        |        +--rw name          string
        |        +--rw key-format?   identityref
        |        +--rw (key-type)
        |           +--:(cleartext-key)
        |           |  +--rw cleartext-key?   binary
        |           +--:(hidden-key)
        |              +--rw hidden-key?   empty
        +--rw dynamic-callouts
        |  +--rw dynamic-callout* [name]
        |     +--rw name             string
        |     +--rw rpc-supported    identityref
        |     +--rw (callout-type)
        |        +--:(use-callback)
        |           +--rw callback
        |           |  +--rw plugin      -> /preferences/system/plugins/plugin/name
        |           |  +--rw function    -> /preferences/system/plugins/plugin[name = current()/../plugin]/\
functions/function/name
        |           +--rw opaque?     anydata
        +--rw bootstrap-servers
        |  +--rw bootstrap-server* [name]
        |     +--rw name                          string
        |     +--rw address                       ietf-inet-types:host
        |     +--rw port?                         ietf-inet-types:port-number <443>
        |     +--rw trust-anchor?                 ietf-crypto-types:trust-anchor-cert-cms
        |     +--ro reference-statistics
        |        +--ro reference-count    uint32
        |        +--ro last-referenced    union
        +--rw boot-images {wn-sztpd-0:onboarding-supported}?
        |  +--rw boot-image* [name]
        |     +--rw name                          string
        |     +--rw os-name?                      string
        |     +--rw os-version?                   string
        |     +--rw download-uri*                 ietf-inet-types:uri
        |     +--rw image-verification* [hash-algorithm]
        |     |  +--rw hash-algorithm    identityref
        |     |  +--rw hash-value        ietf-yang-types:hex-string
        |     +--ro reference-statistics
        |        +--ro reference-count    uint32
        |        +--ro last-referenced    union
        +--rw scripts {wn-sztpd-0:onboarding-supported}?
        |  +--rw pre-configuration-script* [name]
        |  |  +--rw name                          string
        |  |  +--rw script?                       ietf-sztp-conveyed-info:script
        |  |  +--ro reference-statistics
        |  |     +--ro reference-count    uint32
        |  |     +--ro last-referenced    union
        |  +--rw post-configuration-script* [name]
        |     +--rw name                          string
        |     +--rw script?                       ietf-sztp-conveyed-info:script
        |     +--ro reference-statistics
        |        +--ro reference-count    uint32
        |        +--ro last-referenced    union
        +--rw configurations {wn-sztpd-0:onboarding-supported}?
        |  +--rw configuration* [name]
        |     +--rw name                          string
        |     +--rw configuration-handling?       enumeration
        |     +--rw config?                       binary
        |     +--ro reference-statistics
        |        +--ro reference-count    uint32
        |        +--ro last-referenced    union
        +--rw conveyed-information-responses
        |  +--rw redirect-information-response* [name]
        |  |  +--rw name                          string
        |  |  +--rw redirect-information
        |  |  |  +--rw bootstrap-server*   -> ../../../../bootstrap-servers/bootstrap-server/name
        |  |  +--ro reference-statistics
        |  |     +--ro reference-count    uint32
        |  |     +--ro last-referenced    union
        |  +--rw onboarding-information-response* [name] {wn-sztpd-0:onboarding-supported}?
        |     +--rw name                          string
        |     +--rw onboarding-information
        |     |  +--rw boot-image                   -> ../../../../boot-images/boot-image/name
        |     |  +--rw pre-configuration-script?    -> ../../../../scripts/pre-configuration-script/name
        |     |  +--rw configuration?               -> ../../../../configurations/configuration/name
        |     |  +--rw post-configuration-script?   -> ../../../../scripts/post-configuration-script/name
        |     +--ro reference-statistics
        |        +--ro reference-count    uint32
        |        +--ro last-referenced    union
        +--rw devices
           +--rw device* [serial-number]
              +--rw serial-number                    string
              +--rw activation-code?                 iana-crypt-hash:crypt-hash
              +--rw response-manager
              |  +--rw matched-response* [name]
              |     +--rw name              string
              |     +--rw match-criteria!
              |     |  +--rw match* [key]
              |     |     +--rw key           string
              |     |     +--rw not?          empty
              |     |     +--rw (test-type)
              |     |        +--:(present)
              |     |        |  +--rw present?   empty
              |     |        +--:(value)
              |     |        |  +--rw value?   string
              |     |        +--:(regex)
              |     |           +--rw regex?   string
              |     +--rw response
              |        +--rw reporting-level?     enumeration <minimal> {wn-sztpd-0:onboarding-supported}?
              |        +--rw (response-handler)
              |           +--:(none)
              |           |  +--rw none?   empty
              |           +--:(managed-response)
              |              +--rw conveyed-information
              |                 +--rw (conveyed-information-handler)
              |                    +--:(use-dynamic-callout)
              |                    |  +--rw dynamic-callout
              |                    |     +--rw reference?   -> ../../../../../../../../dynamic-callouts/dyn\
amic-callout/name
              |                    +--:(redirect-information)
              |                    |  +--rw redirect-information
              |                    |     +--rw (local-or-reference)
              |                    |        +--:(reference)
              |                    |           +--rw reference?   -> ../../../../../../../../conveyed-infor\
mation-responses/redirect-information-response/name
              |                    +--:(onboarding-information) {wn-sztpd-0:onboarding-supported}?
              |                       +--rw onboarding-information
              |                          +--rw (local-or-reference)
              |                             +--:(reference)
              |                                +--rw reference?   -> ../../../../../../../../conveyed-infor\
mation-responses/onboarding-information-response/name
              +--ro bootstrapping-log
              |  +--ro log-entry*
              |     +--ro timestamp         ietf-yang-types:date-and-time
              |     +--ro source-ip         ietf-inet-types:ip-address
              |     +--ro method            string
              |     +--ro path              string
              |     +--ro return-code       uint16
              |     +--ro error-returned?   anydata
              |     +--ro event-details
              |        +--ro (event-type)
              |           +--:(get-bootstrapping-data-event)
              |           |  +--ro get-bootstrapping-data-event
              |           |     +--ro passed-input              anydata
              |           |     +--ro selected-response?        union
              |           |     +--ro response-details
              |           |        +--ro (response-type)
              |           |           +--:(managed-response)
              |           |              +--ro managed-response
              |           |                 +--ro conveyed-information
              |           |                    +--ro (conveyed-information-handler)
              |           |                       +--:(dynamic-callout)
              |           |                       |  +--ro dynamic-callout
              |           |                       |     +--ro (result-type)?
              |           |                       |        +--:(no-callout-configured)
              |           |                       |        |  +--ro no-callout-configured?   empty
              |           |                       |        +--:(callout-configured)
              |           |                       |           +--ro name                     string
              |           |                       |           +--ro rpc-supported            identityref
              |           |                       |           +--ro callout-type             enumeration
              |           |                       |           +--ro (callback-or-webhook)?
              |           |                       |              +--:(callback)
              |           |                       |                 +--ro callback-details
              |           |                       |                 |  +--ro plugin      string
              |           |                       |                 |  +--ro function    string
              |           |                       |                 +--ro callback-results
              |           |                       |                    +--ro (exit-status)
              |           |                       |                       +--:(exception-thrown)
              |           |                       |                       |  +--ro exception-thrown?   stri\
ng
              |           |                       |                       +--:(exited-normally)
              |           |                       |                          +--ro exited-normally?   string
              |           |                       +--:(redirect-information)
              |           |                       |  +--ro redirect-information
              |           |                       |     +--ro (local-or-reference)
              |           |                       |        +--:(reference)
              |           |                       |           +--ro referenced-definition?   string
              |           |                       +--:(onboarding-information) {wn-sztpd-0:onboarding-suppo\
rted}?
              |           |                          +--ro onboarding-information
              |           |                             +--ro (local-or-reference)
              |           |                                +--:(reference)
              |           |                                   +--ro referenced-definition?   string
              |           +--:(report-progress-event) {wn-sztpd-0:onboarding-supported}?
              |              +--ro report-progress-event
              |                 +--ro passed-input       anydata
              |                 +--ro dynamic-callout
              |                    +--ro (result-type)?
              |                       +--:(no-callout-configured)
              |                       |  +--ro no-callout-configured?   empty
              |                       +--:(callout-configured)
              |                          +--ro name                     string
              |                          +--ro rpc-supported            identityref
              |                          +--ro callout-type             enumeration
              |                          +--ro (callback-or-webhook)?
              |                             +--:(callback)
              |                                +--ro callback-details
              |                                |  +--ro plugin      string
              |                                |  +--ro function    string
              |                                +--ro callback-results
              |                                   +--ro (exit-status)
              |                                      +--:(exception-thrown)
              |                                      |  +--ro exception-thrown?   string
              |                                      +--:(exited-normally)
              |                                         +--ro exited-normally?   string
              +--ro lifecycle-statistics
              |  +--ro nbi-access-stats
              |  |  +--ro created               ietf-yang-types:date-and-time
              |  |  +--ro num-times-modified    uint16
              |  |  +--ro last-modified         ietf-yang-types:date-and-time
              |  +--ro sbi-access-stats
              |     +--ro num-times-accessed    uint16
              |     +--ro first-accessed        ietf-yang-types:date-and-time
              |     +--ro last-accessed         ietf-yang-types:date-and-time
              +--rw device-type                      -> /device-types/device-type/name

6.4.1 XML-based Example

Request:

================================== NOTE: '\\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.xml
<input xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
    <hw-model>model-x</hw-model>
    <os-name>vendor-os</os-name>
    <os-version>17.3R2.1</os-version>
    <nonce>BASE64VALUE=</nonce>
</input>
EOM

# POST 'input' for the "get-bootstrapping-data" RPC resource
curl -i -X POST --data @input.xml -H "Content-Type:application/yang-data+xml" --cacert sbi_trust_chain.pem \
\--key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-numb\
\er:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:get-bootstrapping-data \
\1> output/post_rpc_input_xml.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_rpc_input_xml.out

# cleanup
rm -f input.xml

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 200 OK
Content-Type: application/yang-data+xml; charset=utf-8
Content-Length: 2993
Date: Fri, 15 Jan 2021 02:38:09 GMT
Server: <redacted>

<?xml version="1.0" ?>
<output xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
  <conveyed-information>MIIITAYLKoZIhvcNAQkQASqgggg7BIIINzw/eG1sIHZlcnNpb249IjEuMCIgPz4KPGNvbnRlbnQtZGF0YSB\
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</output>

6.4.2 JSON-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.json
{ 
  "ietf-sztp-bootstrap-server:input" : {
    "hw-model" : "model-x",
    "os-name" : "vendor-os",
    "os-version" : "17.3R2.1",
    "nonce" : "BASE64VALUE="
  }
}
EOM

# POST 'input' for the "get-bootstrapping-data" RPC resource
curl -i -X POST --data @input.json -H "Content-Type:application/yang-data+json" --cacert sbi_trust_chain.pe\
m --key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-num\
ber:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:get-bootstrapping-data \
1> output/post_rpc_input.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_rpc_input.out

# cleanup
rm -f input.json

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 200 OK
Content-Type: application/yang-data+json; charset=utf-8
Content-Length: 2679
Date: Fri, 15 Jan 2021 02:38:09 GMT
Server: <redacted>

{
  "ietf-sztp-bootstrap-server:output": {
    "conveyed-information": "MIIHmQYLKoZIhvcNAQkQASugggeIBIIHhHsKICAiaWV0Zi1zenRwLWNvbnZleWVkLWluZm86cmVkaX\
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  }
}

6.5.1 XML-based Example

Request:

================================== NOTE: '\\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.xml
<input xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
    <hw-model>model-x</hw-model>
    <os-name>vendor-os</os-name>
    <os-version>17.3R2.1</os-version>
    <nonce>BASE64VALUE=</nonce>
</input>
EOM

# POST 'input' for the "get-bootstrapping-data" RPC resource
curl -i -X POST --data @input.xml -H "Content-Type:application/yang-data+xml" --cacert sbi_trust_chain.pem \
\--key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-numb\
\er:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:get-bootstrapping-data \
\1> output/post_rpc_input_xml.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_rpc_input_xml.out

# cleanup
rm -f input.xml

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 200 OK
Content-Type: application/yang-data+xml; charset=utf-8
Content-Length: 1605
Date: Fri, 15 Jan 2021 02:38:11 GMT
Server: <redacted>

<?xml version="1.0" ?>
<output xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
  <conveyed-information>MIIEPAYLKoZIhvcNAQkQASqgggQrBIIEJzw/eG1sIHZlcnNpb249IjEuMCIgPz4KPGNvbnRlbnQtZGF0YSB\
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ICAgPGltYWdlLXZlcmlmaWNhdGlvbj4KICAgICAgICA8aGFzaC1hbGdvcml0aG0+aWV0Zi1zenRwLWNvbnZleWVkLWluZm86c2hhLTI1Njw\
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</output>

6.5.2 JSON-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.json
{ 
  "ietf-sztp-bootstrap-server:input" : {
    "hw-model" : "model-x",
    "os-name" : "vendor-os",
    "os-version" : "17.3R2.1",
    "nonce" : "BASE64VALUE="
  }
}
EOM

# POST 'input' for the "get-bootstrapping-data" RPC resource
curl -i -X POST --data @input.json -H "Content-Type:application/yang-data+json" --cacert sbi_trust_chain.pe\
m --key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-num\
ber:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:get-bootstrapping-data \
1> output/post_rpc_input.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_rpc_input.out

# cleanup
rm -f input.json

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 200 OK
Content-Type: application/yang-data+json; charset=utf-8
Content-Length: 1187
Date: Fri, 15 Jan 2021 02:38:10 GMT
Server: <redacted>

{
  "ietf-sztp-bootstrap-server:output": {
    "conveyed-information": "MIIDOQYLKoZIhvcNAQkQASugggMoBIIDJHsKICAiaWV0Zi1zenRwLWNvbnZleWVkLWluZm86b25ib2\
FyZGluZy1pbmZvcm1hdGlvbiI6IHsKICAgICJib290LWltYWdlIjogewogICAgICAiZG93bmxvYWQtdXJpIjogWwogICAgICAgICJodHRwc\
zovL2V4YW1wbGUuY29tL215LWJvb3QtaW1hZ2UuaW1nIgogICAgICBdLAogICAgICAiaW1hZ2UtdmVyaWZpY2F0aW9uIjogWwogICAgICAg\
IHsKICAgICAgICAgICJoYXNoLWFsZ29yaXRobSI6ICJpZXRmLXN6dHAtY29udmV5ZWQtaW5mbzpzaGEtMjU2IiwKICAgICAgICAgICJoYXN\
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nZjM1F0WTI5dVptbG5kWEpoZEdsdmJpMXpZM0pwY0hRdUxpNGlDZz09IgogIH0KfQ=="
  }
}

6.6.1 XML-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.xml
<input xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
  <progress-type>bootstrap-complete</progress-type>
  <message>example message</message>
  <ssh-host-keys>
    <ssh-host-key>
      <algorithm>ssh-rsa</algorithm>
      <key-data>BASE64VALUE=</key-data>
    </ssh-host-key>
    <ssh-host-key>
      <algorithm>rsa-sha2-256</algorithm>
      <key-data>BASE64VALUE=</key-data>
    </ssh-host-key>
  </ssh-host-keys>
  <trust-anchor-certs>
    <trust-anchor-cert>BASE64VALUE=</trust-anchor-cert>
  </trust-anchor-certs>
</input>
EOM

# POST it to the "report-progress" RPC resource
curl -i -X POST --data @input.xml -H "Content-Type:application/yang-data+xml" --cacert sbi_trust_chain.pem \
--key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-numbe\
r:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:report-progress 1> output\
/post_progress_report_xml.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_progress_report_xml.out

# cleanup
rm -f input.xml

Response:

HTTP/1.1 204 No Content
Content-Type: application/octet-stream
Date: Fri, 15 Jan 2021 02:38:12 GMT
Server: <redacted>

6.6.2 JSON-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
  cat << EOM > bootstrap-complete.json
{
  "ietf-sztp-bootstrap-server:input" : {
    "progress-type" : "bootstrap-complete",
    "message" : "Dynamically generated SSH host key included.",
    "ssh-host-keys" : {
      "ssh-host-key" : [
        {
          "algorithm" : "ssh-rsa",
          "key-data" : "BASE64VALUE="
        }
      ]
    }
  }
}
EOM

# POST it to the "report-progress" RPC resource
curl -i -X POST --data @bootstrap-complete.json -H "Content-Type:application/yang-data+json" --cacert sbi_t\
rust_chain.pem --key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user \
my-serial-number:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:report-pro\
gress 1> output/post_progress_report.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_progress_report.out

# cleanup
rm -f bootstrap-complete.json

Response:

HTTP/1.1 204 No Content
Content-Type: application/octet-stream
Date: Fri, 15 Jan 2021 02:38:11 GMT
Server: <redacted>

6.7.1 XML-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
cat << EOM > input.xml
<input xmlns="urn:ietf:params:xml:ns:yang:ietf-sztp-bootstrap-server">
  <foo-bar>bootstrap-initiated</foo-bar>
</input>
EOM

# POST it to the "report-progress" RPC resource
curl -i -X POST --data @input.xml -H "Content-Type:application/yang-data+xml" --cacert sbi_trust_chain.pem \
--key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-numbe\
r:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:report-progress 1> output\
/post_progress_report_error_xml.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_progress_report_error_xml.out

# cleanup
rm -f input.xml

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 400 Bad Request
Content-Type: application/yang-data+xml; charset=utf-8
Content-Length: 417
Date: Fri, 15 Jan 2021 02:38:12 GMT
Server: <redacted>

<?xml version="1.0" ?>
<content-data xmlns="urn:ietf:params:xml:ns:yang:ietf-yang-instance-data">
  <errors xmlns="urn:ietf:params:xml:ns:yang:ietf-restconf">
    <error>
      <error-type>protocol</error-type>
      <error-tag>malformed-message</error-tag>
      <error-message>Unable to parse &quot;input&quot; document: Doesn't match schema: /input/foo-bar</erro\
r-message>
    </error>
  </errors>
</content-data>

6.7.2 JSON-based Example

Request:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

#!/bin/sh 

# initialize the 'input' node for the RPC
  cat << EOM > input.json
{
  "ietf-sztp-bootstrap-server:input" : {
    "foo-bar" : "bootstrap-initiated"
  }
}
EOM

# POST it to the "report-progress" RPC resource
curl -i -X POST --data @input.json -H "Content-Type:application/yang-data+json" --cacert sbi_trust_chain.pe\
m --key pki/client/end-entity/private_key.pem --cert pki/client/end-entity/my_cert.pem --user my-serial-num\
ber:my-secret https://127.0.0.1:9090/restconf/operations/ietf-sztp-bootstrap-server:report-progress 1> outp\
ut/post_progress_report_error.out 2>/dev/null

# line-return needed for markdown
echo "" 1>> output/post_progress_report_error.out

# cleanup
rm -f input.json

Response:

=================================== NOTE: '\' line wrapping per RFC 8792 ===================================

HTTP/1.1 400 Bad Request
Content-Type: application/yang-data+json; charset=utf-8
Content-Length: 275
Date: Fri, 15 Jan 2021 02:38:12 GMT
Server: <redacted>

{
  "ietf-restconf:errors": {
    "error": [
      {
        "error-type": "protocol",
        "error-tag": "malformed-message",
        "error-message": "Unable to parse \"input\" document: Doesn't match schema: /ietf-sztp-bootstrap-se\
rver:input/foo-bar"
      }
    ]
  }
}

7.1.1 TLS Terminator

7.2.1 RDBMS

SZTPD may be configured to reach out to an external RDBMS server for its database. The protocol used for this connection is database-specific, and may be shroudable by a TLS session (recommended).

7.2.2 Dynamic Callouts

Dynamic callouts may be configured to reach out to external systems to either push information to or fetch information from them.

Dynamic callouts are currently only implemented via plugins (see Plugins) loaded into SZTPD, enabling the plugin to implement a protocol of its choosing, but it is planned to also enable to SZTPD to also execute via RESTCONF (i.e., an HTTP “POST” request).

In either case, dyanmic callouts are modeled using YANG ‘rpc’ statements.

When executed via a plugin, the Python function takes two parameters. The first parameter is ‘input’, a Python object having a structure matching the ‘rpc’ statement’s ‘input’ node. The second parameter is ‘opaque’, a Python object having an arbitrary (‘anydata’, in YANG parlance) structure configured for the specific ‘dynamic-callout’.

The following “rpc” statement is defined in the “wn-app-rpcs” YANG module:

rpcs
  +-- rpc relay-notification

The following “rpc” statements are defined in the “wn-sztpd-rpcs” YANG module:

rpcs
  +-- rpc relay-progress-report
  +-- rpc verify-device-ownership
  +-- rpc get-conveyed-information

Please see Glossary of Dynamic Callouts for more information about the various dynamic callouts.

7.3.1 The “relay-notification” Dynamic Callout

A dynamic callout implementing the “relay-notification” RPC is used to send notifications, as defined by the various YANG modules implemented by SZTPD. Notifications are those defined by the YANG “notification” statement. All of the notifications are presented in the Glossary of Notifications section.

  rpcs:
    +---x relay-notification {relay-notification}?
       +---- input
          +---w notification?   anydata

Following is what an HTTP request sent from SZTPD might look like:

REQUEST

POST /restconf/operations/wn-app-rpcs:relay-notification HTTP/1.1
HOST: example.com
Content-Type: application/yang-data+json

{
  "wn-app-rpcs:input" : {
    "notification": {
      "eventTime": "2019-03-22T12:35:00Z",
      "wn-sztpd-1:unused-device-record-lingering": {
        "device-record": "fault",
        "created": "2019-01-22T10:32:12Z",
        "num-times-modified": 3,
        "last-modified": "2019-03-20T09:51:44Z"
      }
    }
  }
}

Following is an example HTTP response sent from the remote endpoint:

RESPONSE

HTTP/1.1 204 OK
Date: Sat, 31 Oct 2015 17:02:40 GMT
Server: example-server
Content-Type: application/yang-data+json

To configure SZTPD to relay notifications, the “relay-notification-callout” node under the host-level and/or tenant-level⁵ “preferences” container must point to a “dynamic-callout” having the “rpc-supported” value “relay-notification”.

7.3.2 The “relay-progress-report” Dynamic Callout

A dynamic callout implementing the “relay-progress-report” RPC is used to send progress-reports, as defined by the various YANG modules implemented by SZTPD. Notifications are those defined by the YANG “progress-report” statement. All of the progress-reports are presented in the [Notifications] section.

The tree diagram for the “relay-progress-report” RPC follows:

  rpcs:
    +---x relay-progress-report {relay-progress-report}?
       +---- input
          +---w serial-number           string
          +---w source-ip-address       ietf-inet-types:ip-address
          +---w identity-certificate?   ietf-crypto-types:cms
          +---w from-device?            anydata

Following is what an HTTP request sent from SZTPD might look like:

REQUEST

POST /restconf/operations/wn-sztpd-rpcs:get-conveyed-information HTTP/1.1
HOST: example.com
Content-Type: application/yang-data+json

{
  "wn-sztpd-rpcs:input" : {
    "serial-number": "my-serial-number",
    "source-ip-address": "10.20.30.40",
    "identity-certificate": "BASE64VALUE=",
    "from-device": {
      "ietf-sztp-bootstrap-server:input" : {
        "progress-type": "bootstrap-complete",
        "message": "example message",
        "ssh-host-keys": {
          "ssh-host-key": [
            {
              "algorithm": "ssh-rsa",
              "key-data": "BASE64VALUE="
            },
            {
              "algorithm": "rsa-sha2-256",
              "key-data": "BASE64VALUE="
            }
          ]
        },
        "trust-anchor-certs": {
          "trust-anchor-cert": [ "BASE64VALUE=" ]
        }
      }
    }
  }
}

Following is an example HTTP response sent from the remote endpoint:

RESPONSE

HTTP/1.1 204 OK
Date: Sat, 31 Oct 2015 17:02:40 GMT
Server: example-server
Content-Type: application/yang-data+json

To configure SZTPD to relay progress reports, the “relay-progress-report-callout” node under the host-level and/or tenant-level⁶ “preferences” container must point to a “dynamic-callout” having the “rpc-supported” value “relay-progress-report”.

7.3.3 The “verify-device-ownership” Dynamic Callout

A dynamic callout implementing the “verify-device-ownership” RPC is used to verify that devices (serial numbers) to the configured authority (i.e., a specific tenant). The RPC’s tree diagram follows:

The tree diagram for the “verify-device-ownership” RPC follows:

  rpcs:
    +---x verify-device-ownership {verify-device-ownership}?
       +---- input
       |  +---w tenant           string
       |  +---w serial-number*   string
       +---- output
          +--ro verification-results
             +--ro verification-result* [serial-number]
                +--ro serial-number    string
                +--ro result           enumeration

Following is what an HTTP request sent from SZTPD might look like:

REQUEST

POST /restconf/operations/wn-sztpd-rpcs:verify-device-ownership HTTP/1.1
HOST: example.com
Content-Type: application/yang-data+json

{
  "wn-sztpd-rpcs:input" : {
    "tenant": "not-applicable",
    "serial-number": [ "sn-111", "sn-222", "sn-333" ]
  }
}

Following is an example HTTP response sent from the remote endpoint:

RESPONSE

HTTP/1.1 200 OK
Date: Sat, 31 Oct 2015 17:02:40 GMT
Server: example-server
Content-Type: application/yang-data+json

{
  "ietf-sztpd-rpcs:output" : {
    "verification-results": {
      "verification-result": [
        {
          "serial-number": "sn-111",
          "result": "success"
        },
        {
          "serial-number": "sn-222",
          "result": "failure"
        },
        {
          "serial-number": "sn-333",
          "result": "success"
        }
      ]
    }
  }
}

To configure SZTPD to verify device ownership, the “ownership-authorization” node under the host-level “device-types” must point to a “dynamic-callout” having the “rpc-supported” value “verify-device-ownership”.

7.3.4 The “get-conveyed-information” Dynamic Callout

A dynamic callout implementing the “get-conveyed-information” RPC, used to fetch a just-in-time generated response to a bootstrapping device. The RPC’s tree diagram follows:

The tree diagram for the “get-conveyed-information” RPC follows:

  rpcs:
    +---x get-conveyed-information {get-conveyed-information}?
       +---- input
       |  +---w serial-number           string
       |  +---w source-ip-address       ietf-inet-types:ip-address
       |  +---w identity-certificate?   ietf-crypto-types:cms
       |  +---w from-device?            anydata
       +---- output
          +--ro conveyed-information    anydata

Following is what an HTTP request sent from SZTPD might look like:

REQUEST

POST /restconf/operations/wn-sztpd-rpcs:get-conveyed-information HTTP/1.1
HOST: example.com
Content-Type: application/yang-data+json

{
  "wn-sztpd-rpcs:input" : {
    "serial-number": "my-serial-number",
    "source-ip-address": "10.20.30.40",
    "identity-certificate": "BASE64VALUE=",
    "from-device": {
      "ietf-sztp-bootstrap-server:input" : {
        "hw-model": "model-x",
        "os-name": "vendor-os",
        "os-version": "17.3R2.1",
        "nonce": "BASE64VALUE=",
        "ietf-sztp-csr:csr": {
          "p10": "BASE64VALUE="
        }
      }
    }
  }
}

Following is an example HTTP response sent from the remote endpoint:

RESPONSE

HTTP/1.1 200 OK
Date: Sat, 31 Oct 2015 17:02:40 GMT
Server: example-server
Content-Type: application/yang-data+json

{
  "ietf-sztpd-rpcs:output" : {
    "conveyed-information": "BASE64VALUE="
  }
}

To configure SZTPD to dynamically obtain conveyed-information from an external system, a device’s “response-manager” configuration must have a “matched-response” of type “conveyed-information” with a “dynamic-callout” having the “rpc-supported” value “get-conveyed-information”.

7.4.1 Overview

The following “notification” statements are defined in the “wn-app” YANG module:

notifications
  +-- unreferenced-node-lingering
  +-- unreferenced-node-purged
  +-- admin-account-activation-expired
  +-- admin-account-password-aging
  +-- admin-account-disabled
  +-- admin-account-purged
  +-- audit-log-entry-purged

The following “notification” statements are defined in the “wn-sztpd-0” YANG module, which is used as a basis for all the SZTPD YANG modules (mode ‘1’ and mode ‘x’ models):

notifications
  +-- voucher-expiration
  +-- unused-device-record-lingering
  +-- unused-device-record-purged
  +-- used-device-record-lingering
  +-- used-device-record-purged
  +-- progress-report-received

The following “notification” statement is defined in the “ietf-crypto-types” YANG module:

notifications
  +-- certificate-expiration

The following “notification” statements are defined in the “ietf-yang-library” YANG module:

notifications
  +-- yang-library-update
  +-- yang-library-change

7.4.2 The “unreferenced-node-lingering” Notification

The tree-diagram for this notification is as follows:

+---n unreferenced-node-lingering {wn-app:storage-reclamation-implemented}?
   +--ro last-referenced    union

7.4.3 The “unreferenced-node-purged” Notification

The tree-diagram for this notification is as follows:

+---n unreferenced-node-purged {wn-app:storage-reclamation-implemented}?
   +--ro last-referenced    union

7.4.4 The “admin-account-activation-expired” Notification

The tree-diagram for this notification is as follows:

+---n admin-account-activation-expired {wn-app:account-activation-expiration-implemented}?

7.4.5 The “admin-account-password-aging” Notification

The tree-diagram for this notification is as follows:

+---n admin-account-password-aging {wn-app:password-aging-implemented}?
   +--ro expiration-date    ietf-yang-types:date-and-time

7.4.6 The “admin-account-disabled” Notification

The tree-diagram for this notification is as follows:

+---n admin-account-disabled {wn-app:storage-reclamation-implemented}?

7.4.7 The “admin-account-purged” Notification

The tree-diagram for this notification is as follows:

+---n admin-account-purged {wn-app:storage-reclamation-implemented}?

7.4.8 The “voucher-expiration” Notification

The tree-diagram for this notification is as follows:

+---n voucher-expiration
   +--ro expiration-date    ietf-yang-types:date-and-time

7.4.9 The “unused-device-record-lingering” Notification

The tree-diagram for this notification is as follows:

+---n unused-device-record-lingering {wn-app:storage-reclamation-implemented}?
   +--ro nbi-access-stats
      +--ro created               ietf-yang-types:date-and-time
      +--ro num-times-modified    uint16
      +--ro last-modified         ietf-yang-types:date-and-time

7.4.10 The “unused-device-record-purged” Notification

The tree-diagram for this notification is as follows:

+---n unused-device-record-purged {wn-app:storage-reclamation-implemented}?
   +--ro nbi-access-stats
      +--ro created               ietf-yang-types:date-and-time
      +--ro num-times-modified    uint16
      +--ro last-modified         ietf-yang-types:date-and-time

7.4.11 The “used-device-record-lingering” Notification

The tree-diagram for this notification is as follows:

+---n used-device-record-lingering {wn-app:storage-reclamation-implemented}?
   +--ro nbi-access-stats
   |  +--ro created               ietf-yang-types:date-and-time
   |  +--ro num-times-modified    uint16
   |  +--ro last-modified         ietf-yang-types:date-and-time
   +--ro sbi-access-stats
      +--ro num-times-accessed    uint16
      +--ro first-accessed        ietf-yang-types:date-and-time
      +--ro last-accessed         ietf-yang-types:date-and-time

7.4.12 The “used-device-record-purged” Notification

The tree-diagram for this notification is as follows:

+---n used-device-record-purged {wn-app:storage-reclamation-implemented}?
   +--ro nbi-access-stats
   |  +--ro created               ietf-yang-types:date-and-time
   |  +--ro num-times-modified    uint16
   |  +--ro last-modified         ietf-yang-types:date-and-time
   +--ro sbi-access-stats
      +--ro num-times-accessed    uint16
      +--ro first-accessed        ietf-yang-types:date-and-time
      +--ro last-accessed         ietf-yang-types:date-and-time

7.4.13 The “certificate-expiration” Notification

The tree-diagram for this notification is as follows:

+---n certificate-expiration {ietf-crypto-types:certificate-expiration-notification}?
   +--ro expiration-date    ietf-yang-types:date-and-time

7.4.14 The “yang-library-change” Notification

The tree-diagram for this notification is as follows:

x---n yang-library-change
   x--ro module-set-id    -> /ietf-yang-library:modules-state/ietf-yang-library:module-set-id

7.4.15 The “yang-library-update” Notification

The tree-diagram for this notification is as follows:

+---n yang-library-update
   +--ro content-id    -> /ietf-yang-library:yang-library/ietf-yang-library:content-id

7.4.16 The “yang-library-change” Notification

The tree-diagram for this notification is as follows:

x---n yang-library-change
   x--ro module-set-id    -> /ietf-yang-library:modules-state/ietf-yang-library:module-set-id