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callback.rfc
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callback.rfc
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RFC-all\rfc-index.txt:7090 Public Safety Answering Point (PSAP) Callback. H. Schulzrinne, H.
RFC-all\rfc1045.txt:module may defer the Probe callback to the Client to get that
RFC-all\rfc1045.txt:callback.) GetForwarder is implemented as a callback to the Client,
RFC-all\rfc1045.txt:callback to the Client's VMTP management module to get the Principal,
RFC-all\rfc1045.txt: authentication so it never generates a callback Probe to the
RFC-all\rfc1045.txt: callback unless the Request is secure. A Probe callback can
RFC-all\rfc1045.txt: avoid unnecessary callback Probes.
RFC-all\rfc1340.txt: afs3-callback 7001/tcp callbacks to cache managers
RFC-all\rfc1340.txt: afs3-callback 7001/udp callbacks to cache managers
RFC-all\rfc1570.txt: 2.3 Callback ........................................ 11
RFC-all\rfc1570.txt: 13 Callback
RFC-all\rfc1570.txt:2.3. Callback
RFC-all\rfc1570.txt: When Callback is successfully negotiated, and authentication is
RFC-all\rfc1570.txt: Callback.
RFC-all\rfc1570.txt: A summary of the Callback Option format is shown below. The fields
RFC-all\rfc1570.txt: making the callback.
RFC-all\rfc1570.txt: callback location.
RFC-all\rfc1570.txt: specific information to make use of the Callback. The
RFC-all\rfc1570.txt: Callback Configuration Option.
RFC-all\rfc1636.txt: callbacks and multiple connections (e.g., FTP). It was
RFC-all\rfc1689.txt: callbacks are not an option as the FTP protocol has no provisions
RFC-all\rfc1700.txt:afs3-callback 7001/tcp callbacks to cache managers
RFC-all\rfc1700.txt:afs3-callback 7001/udp callbacks to cache managers
RFC-all\rfc1700.txt:c029 CallBack Control Protocol (CBCP)
RFC-all\rfc1700.txt: 13 Callback
RFC-all\rfc1700.txt:PPP LCP CALLBACK OPERATION FIELDS
RFC-all\rfc1700.txt:The Point-to-Point Protocol (PPP) Link Control Protocol (LCP) Callback
RFC-all\rfc1813.txt: callback to the client when the lock is granted.
RFC-all\rfc1934.txt: [3] Call the passed termination callback function if not null.
RFC-all\rfc1934.txt: the integrated phone number. A callback is
RFC-all\rfc1934.txt: If not, the callback could be called (and ignored)
RFC-all\rfc1934.txt: the integrated phone number. A callback is
RFC-all\rfc1934.txt: If not, the callback could be called (and
RFC-all\rfc1934.txt: integrated phone number. A callback is passed with the
RFC-all\rfc1934.txt: requesting the first outgoing call. If not, the callback could
RFC-all\rfc2058.txt: 5.19 Callback-Number ................................. 36
RFC-all\rfc2058.txt: 5.20 Callback-Id ..................................... 37
RFC-all\rfc2058.txt: 19 Callback-Number
RFC-all\rfc2058.txt: 20 Callback-Id
RFC-all\rfc2058.txt: 3 Callback Login
RFC-all\rfc2058.txt: 4 Callback Framed
RFC-all\rfc2058.txt: 9 Callback NAS Prompt
RFC-all\rfc2058.txt: Callback Login The user should be disconnected and called
RFC-all\rfc2058.txt: Callback Framed The user should be disconnected and called
RFC-all\rfc2058.txt: Callback NAS Prompt The user should be disconnected and called
RFC-all\rfc2058.txt:5.19. Callback-Number
RFC-all\rfc2058.txt: This Attribute indicates a dialing string to be used for callback.
RFC-all\rfc2058.txt: Access-Request packet as a hint to the server that a Callback
RFC-all\rfc2058.txt: A summary of the Callback-Number Attribute format is shown below.
RFC-all\rfc2058.txt: 19 for Callback-Number.
RFC-all\rfc2058.txt:5.20. Callback-Id
RFC-all\rfc2058.txt: A summary of the Callback-Id Attribute format is shown below. The
RFC-all\rfc2058.txt: 20 for Callback-Id.
RFC-all\rfc2058.txt: 0-1 0-1 0 0 19 Callback-Number
RFC-all\rfc2058.txt: 0 0-1 0 0 20 Callback-Id
RFC-all\rfc2059.txt: 16 Callback
RFC-all\rfc2059.txt: Callback NAS is terminating current session in order
RFC-all\rfc2059.txt: to perform callback for a new session.
RFC-all\rfc2059.txt: 0-1 Callback-Number
RFC-all\rfc2059.txt: 0-1 Callback-Id
RFC-all\rfc2125.txt: 5.5.3 Callback-Request ................................ 13
RFC-all\rfc2125.txt: 5.5.4 Callback-Response ............................... 13
RFC-all\rfc2125.txt: o Request that the peer add a link to a bundle via a callback
RFC-all\rfc2125.txt: (Callback-Request)
RFC-all\rfc2125.txt: Callback-Request packet. A Call-Request packet is sent if the
RFC-all\rfc2125.txt: Callback-Request packet is sent if the implementation wishes its peer
RFC-all\rfc2125.txt: a Call- or Callback-Request MUST respond with a Call- or Callback-
RFC-all\rfc2125.txt: Request, Callback-Request or Link-Drop-Query-Request at the same
RFC-all\rfc2125.txt: If each implementation sends a Call-Request or Callback-Request at
RFC-all\rfc2125.txt: 03 Callback-Request
RFC-all\rfc2125.txt: 04 Callback-Response
RFC-all\rfc2125.txt: original Call-Request or Callback-Request that was used to
RFC-all\rfc2125.txt: Call- or Callback-Request) or the minimum (for a Link-Drop-Query-
RFC-all\rfc2125.txt:5.5.3. Callback-Request
RFC-all\rfc2125.txt: add to the multilink bundle MUST transmit a Callback-Request packet
RFC-all\rfc2125.txt: Upon reception of a Callback-Request, a Callback-Response datagram
RFC-all\rfc2125.txt:5.5.4. Callback-Response
RFC-all\rfc2125.txt: An implementation MUST transmit a Callback-Response datagram in
RFC-all\rfc2125.txt: response to a received Callback-Request datagram. If the Callback-
RFC-all\rfc2125.txt: Request is acceptable, the Callback-Response MUST have a Response
RFC-all\rfc2125.txt: Code of Request-Ack. A Callback-Response packet MAY include the
RFC-all\rfc2125.txt: result of a Call-Request or a Callback-Request, it MUST send a Call-
RFC-all\rfc2125.txt: Callback-Request, and MAY be included in a Call- or Callback-
RFC-all\rfc2125.txt: callback connection, or a number determined in some other way.
RFC-all\rfc2125.txt: Delta option MUST appear in a Callback-Request. It also MUST
RFC-all\rfc2125.txt:Callback-Request Link-Type
RFC-all\rfc2125.txt:Callback-Response Link-Type
RFC-all\rfc2127.txt: callback(4)
RFC-all\rfc2128.txt: callback(4),
RFC-all\rfc2128.txt: "Applicable permissions. callback(4) either rejects the
RFC-all\rfc2128.txt: Note that callback(4) is supposed to control charging, not
RFC-all\rfc2128.txt: security, and applies to callback prior to accepting a
RFC-all\rfc2128.txt: call. Callback for security reasons can be handled using
RFC-all\rfc2128.txt: PPP callback."
RFC-all\rfc2128.txt: callback(3)
RFC-all\rfc2128.txt: callback(3)
RFC-all\rfc2138.txt: 5.19 Callback-Number ................................. 37
RFC-all\rfc2138.txt: 5.20 Callback-Id ..................................... 38
RFC-all\rfc2138.txt: 19 Callback-Number
RFC-all\rfc2138.txt: 20 Callback-Id
RFC-all\rfc2138.txt: 3 Callback Login
RFC-all\rfc2138.txt: 4 Callback Framed
RFC-all\rfc2138.txt: 9 Callback NAS Prompt
RFC-all\rfc2138.txt: Callback Login The user should be disconnected and called
RFC-all\rfc2138.txt: Callback Framed The user should be disconnected and called
RFC-all\rfc2138.txt: Callback NAS Prompt The user should be disconnected and called
RFC-all\rfc2138.txt:5.19. Callback-Number
RFC-all\rfc2138.txt: This Attribute indicates a dialing string to be used for callback.
RFC-all\rfc2138.txt: Access-Request packet as a hint to the server that a Callback
RFC-all\rfc2138.txt: A summary of the Callback-Number Attribute format is shown below.
RFC-all\rfc2138.txt: 19 for Callback-Number.
RFC-all\rfc2138.txt:5.20. Callback-Id
RFC-all\rfc2138.txt: A summary of the Callback-Id Attribute format is shown below. The
RFC-all\rfc2138.txt: 20 for Callback-Id.
RFC-all\rfc2138.txt: 0-1 0-1 0 0 19 Callback-Number
RFC-all\rfc2138.txt: 0 0-1 0 0 20 Callback-Id
RFC-all\rfc2139.txt: 16 Callback
RFC-all\rfc2139.txt: Callback NAS is terminating current session in order
RFC-all\rfc2139.txt: to perform callback for a new session.
RFC-all\rfc2139.txt: 0-1 Callback-Number
RFC-all\rfc2139.txt: 0-1 Callback-Id
RFC-all\rfc2205.txt: route change notification callbacks (see below) whenever
RFC-all\rfc2205.txt: the routing process may provide an asynchronous callback
RFC-all\rfc2458.txt: callback (as described next).
RFC-all\rfc2458.txt: ix) Agent/Customer Telephony Callback - the agent will make a
RFC-all\rfc2458.txt: PSTN telephone callback. To do so he or she will have to fill in a
RFC-all\rfc2458.txt: Call" service by which the selected agent is informed of a callback
RFC-all\rfc2458.txt: Callback" service. While this transaction is initiated by the agent
RFC-all\rfc2458.txt: The Callback service was deemed to have simpler security requirements
RFC-all\rfc2543.txt: about the time of callback. An optional "duration" parameter
RFC-all\rfc2614.txt: 4.3. Callbacks . . . . . . . . . . . . . . . . . . . . . . 29
RFC-all\rfc2614.txt: 4.3.2. SLPSrvTypeCallback . . . . . . . . . . . . . . 30
RFC-all\rfc2614.txt: 4.3.3. SLPSrvURLCallback . . . . . . . . . . . . . . 31
RFC-all\rfc2614.txt: 4.3.4. SLPAttrCallback . . . . . . . . . . . . . . . 33
RFC-all\rfc2614.txt: callback if the request results are reported asynchronously.
RFC-all\rfc2614.txt: call the callback function with it, without any additional
RFC-all\rfc2614.txt: particular remote SLP agent is reported through the first callback
RFC-all\rfc2614.txt: the correspondence. This allows the callback or client code to
RFC-all\rfc2614.txt: In the C API, callback functions are not permitted to
RFC-all\rfc2614.txt: allocate most memory and requiring that client callback functions
RFC-all\rfc2614.txt: Unless otherwise noted, parameters to API functions and callbacks are
RFC-all\rfc2614.txt: The SLP_LAST_CALL code is passed to callback functions when the API
RFC-all\rfc2614.txt: be made to the callback on the currently outstanding operation. The
RFC-all\rfc2614.txt: callback can use this to signal the main body of the client code that
RFC-all\rfc2614.txt: the last call of a callback during both a synchronous and
RFC-all\rfc2614.txt:4.3. Callbacks
RFC-all\rfc2614.txt: A function pointer to a callback function specific to a particular
RFC-all\rfc2614.txt: is invoked. The callback function is called with the results of the
RFC-all\rfc2614.txt: included in the callback parameters is owned by the API library, and
RFC-all\rfc2614.txt: the client code in the callback must copy out the contents if it
RFC-all\rfc2614.txt: current callback call.
RFC-all\rfc2614.txt: each callback parameter list contains an error code parameter and a
RFC-all\rfc2614.txt: to the callback without using global variables. The callback returns
RFC-all\rfc2614.txt: processing the operation. If the value returned from the callback is
RFC-all\rfc2614.txt: The SLPRegReport callback type is the type of the callback function
RFC-all\rfc2614.txt:4.3.2. SLPSrvTypeCallback
RFC-all\rfc2614.txt: typedef SLPBoolean SLPSrvTypeCallback(SLPHandle hSLP,
RFC-all\rfc2614.txt: The SLPSrvTypeCallback type is the type of the callback function
RFC-all\rfc2614.txt: callback MAY be uncollated. If the hSLP handle parameter was opened
RFC-all\rfc2614.txt: operation. The callback should check this error code before
RFC-all\rfc2614.txt:4.3.3. SLPSrvURLCallback
RFC-all\rfc2614.txt: typedef SLPBoolean SLPSrvURLCallback(SLPHandle hSLP,
RFC-all\rfc2614.txt: The SLPSrvURLCallback type is the type of the callback function
RFC-all\rfc2614.txt: was opened asynchronously, the results returned through the callback
RFC-all\rfc2614.txt: operation. The callback should check this error code before
RFC-all\rfc2614.txt:4.3.4. SLPAttrCallback
RFC-all\rfc2614.txt: typedef SLPBoolean SLPAttrCallback(SLPHandle hSLP,
RFC-all\rfc2614.txt: The SLPAttrCallback type is the type of the callback function
RFC-all\rfc2614.txt: The behavior of the callback differs depending on whether the
RFC-all\rfc2614.txt: callback is called once regardless of whether the handle was opened
RFC-all\rfc2614.txt: was opened asynchronously, the callback is called every time the API
RFC-all\rfc2614.txt: from all returning agents and the callback is called once, with the
RFC-all\rfc2614.txt: operation. The callback should check this error code before
RFC-all\rfc2614.txt: or asynchronous operations are cancelled so their callback functions
RFC-all\rfc2614.txt: SLPRegReport callback,
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback to report the operation completion status.
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: SLPRegReport callback,
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback to report the operation completion status.
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: SLPRegReport callback,
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback to report the operation completion status.
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: SLPSrvTypeCallback callback,
RFC-all\rfc2614.txt: results are returned through the callback parameter. The service
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback function through which the results of the operation
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: SLPSrvURLCallback callback,
RFC-all\rfc2614.txt: return the results through the callback. The parameters determine
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback function through which the results of the operation
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: SLPAttrCallback callback,
RFC-all\rfc2614.txt: Results are returned through the callback.
RFC-all\rfc2614.txt: callback
RFC-all\rfc2614.txt: A callback function through which the results of the operation
RFC-all\rfc2614.txt: Memory passed to the callback code from the client. May be
RFC-all\rfc2614.txt: Memory passed to callbacks belongs to the library and MUST NOT be
RFC-all\rfc2614.txt: Clients are required to copy data out of the callback parameters. No
RFC-all\rfc2614.txt: other use of the parameter memory in callback parameters is allowed.
RFC-all\rfc2614.txt: results are reported through the callback function. The return code
RFC-all\rfc2614.txt: The callback function is called whenever the API library has results
RFC-all\rfc2614.txt: to report. The callback code is required to check the error code
RFC-all\rfc2614.txt: error occurs. The callback code can similarly indicate that the
RFC-all\rfc2614.txt: operation should be terminated by passing back SLP_FALSE. Callback
RFC-all\rfc2614.txt: recursive callbacks on the same handle simplifies implementation of
RFC-all\rfc2614.txt: On the last call to a callback, whether asynchronous or synchronous,
RFC-all\rfc2614.txt: the status code passed to the callback has value SLP_LAST_CALL. There
RFC-all\rfc2614.txt: SLPRegReport errCallback = POPRegErrCallback;
RFC-all\rfc2614.txt: errCallback,
RFC-all\rfc2614.txt: The errCallback reports any errors:
RFC-all\rfc2614.txt: POPRegErrCallback(SLPHandle hSLP,
RFC-all\rfc2614.txt: SLPSrvURLCallback srvCallback = /* the callback */
RFC-all\rfc2614.txt: POPSrvURLCallback;
RFC-all\rfc2614.txt: srvCallback, NULL);
RFC-all\rfc2614.txt: Within the callback, the client code can use the returned POP
RFC-all\rfc2614.txt: POPSrvURLCallback(SLPHandle hSLP,
RFC-all\rfc2614.txt: SLPAttrCallback attrCallBack = /* the callback */
RFC-all\rfc2614.txt: POPUsersCallback
RFC-all\rfc2614.txt: attrCallBack, NULL);
RFC-all\rfc2614.txt: The callback processes the attributes:
RFC-all\rfc2614.txt: POPUsersCallback(const char* pcAttrList,
RFC-all\rfc2704.txt: parameter of the query, or it may provide some form of callback
RFC-all\rfc2704.txt: from the application as needed by the evaluator, through a `callback'
RFC-all\rfc2805.txt: a. Callback capabilities:
RFC-all\rfc2805.txt: * Callback
RFC-all\rfc2848.txt: 4.9. Request for a callback ..................................... 42
RFC-all\rfc2848.txt: As examples, consider a user who wishes to have a callback placed to
RFC-all\rfc2848.txt:4.9. Request for a callback
RFC-all\rfc2865.txt: 5.19 Callback-Number ................................. 42
RFC-all\rfc2865.txt: 5.20 Callback-Id ..................................... 42
RFC-all\rfc2865.txt: 19 Callback-Number
RFC-all\rfc2865.txt: 20 Callback-Id
RFC-all\rfc2865.txt: 3 Callback Login
RFC-all\rfc2865.txt: 4 Callback Framed
RFC-all\rfc2865.txt: 9 Callback NAS Prompt
RFC-all\rfc2865.txt: 11 Callback Administrative
RFC-all\rfc2865.txt: Callback Login The user should be disconnected and called
RFC-all\rfc2865.txt: Callback Framed The user should be disconnected and called
RFC-all\rfc2865.txt: Callback NAS Prompt The user should be disconnected and called
RFC-all\rfc2865.txt: Callback Administrative
RFC-all\rfc2865.txt:5.19. Callback-Number
RFC-all\rfc2865.txt: This Attribute indicates a dialing string to be used for callback.
RFC-all\rfc2865.txt: Access-Request packet as a hint to the server that a Callback
RFC-all\rfc2865.txt: A summary of the Callback-Number Attribute format is shown below.
RFC-all\rfc2865.txt: 19 for Callback-Number.
RFC-all\rfc2865.txt:5.20. Callback-Id
RFC-all\rfc2865.txt: A summary of the Callback-Id Attribute format is shown below. The
RFC-all\rfc2865.txt: 20 for Callback-Id.
RFC-all\rfc2865.txt: 0-1 0-1 0 0 19 Callback-Number
RFC-all\rfc2865.txt: 0 0-1 0 0 20 Callback-Id
RFC-all\rfc2866.txt: 16 Callback
RFC-all\rfc2866.txt: Callback NAS is terminating current session in order
RFC-all\rfc2866.txt: to perform callback for a new session.
RFC-all\rfc2866.txt: 0-1 Callback-Number
RFC-all\rfc2866.txt: 0-1 Callback-Id
RFC-all\rfc2869.txt: The inclusion of a Callback-Number or Callback-Id attribute in the
RFC-all\rfc2869.txt: the Feature Flags to begin callback processing in an ARAP specific
RFC-all\rfc2881.txt: - callback (NAS generates call to caller); Ability to cause the NAS to
RFC-all\rfc2881.txt: - callback instructions
RFC-all\rfc2924.txt: 19 Callback-Number 47 Acct-Input-Packets
RFC-all\rfc2924.txt: 20 Callback-Id 48 Acct-Output-Packets
RFC-all\rfc3010.txt: 3.4. Callback RPC Authentication . . . . . . . . . . . . . . . 22
RFC-all\rfc3010.txt: 9.2. Delegation and Callbacks . . . . . . . . . . . . . . . . . 71
RFC-all\rfc3010.txt: 15. NFS Version 4 Callback Procedures . . . . . . . . . . . . . 170
RFC-all\rfc3010.txt: structured so that an RPC callback mechanism is not required. This
RFC-all\rfc3010.txt: client and recall the delegation. This requires that a callback path
RFC-all\rfc3010.txt: exist between the server and client. If this callback path does not
RFC-all\rfc3010.txt:3.4. Callback RPC Authentication
RFC-all\rfc3010.txt: The callback RPC (described later) must mutually authenticate the NFS
RFC-all\rfc3010.txt: callback even if the client used LIPKEY for SETCLIENTID.
RFC-all\rfc3010.txt: receives the callback).
RFC-all\rfc3010.txt: It should be noted that LIPKEY may not work for callbacks, since the
RFC-all\rfc3010.txt: the callback can authenticate the NFS server's user name/password
RFC-all\rfc3010.txt: o When the server does a callback, it must authenticate to the
RFC-all\rfc3010.txt: 4 protocol must not rely on a callback mechanism and therefore is
RFC-all\rfc3010.txt:9.2. Delegation and Callbacks
RFC-all\rfc3010.txt: "callback" RPC from server to client, a server recalls delegated
RFC-all\rfc3010.txt: Because callback RPCs may not work in all environments (due to
RFC-all\rfc3010.txt: on them. Preliminary testing of callback functionality by means of a
RFC-all\rfc3010.txt: CB_NULL procedure determines whether callbacks can be supported. The
RFC-all\rfc3010.txt: CB_NULL procedure checks the continuity of the callback path. A
RFC-all\rfc3010.txt: server makes a preliminary assessment of callback availability to a
RFC-all\rfc3010.txt: determined that callbacks are supported. Because the granting of a
RFC-all\rfc3010.txt: will cause the server to recall a delegation through a callback.
RFC-all\rfc3010.txt: respond to a recall callback. In this case, the server will revoke
RFC-all\rfc3010.txt: o Network partition (full or callback-only)
RFC-all\rfc3010.txt: o The use of callbacks is not to be depended upon until the client
RFC-all\rfc3010.txt: A loss of the callback path (e.g. by later network configuration
RFC-all\rfc3010.txt: o The client must be able to respond to the server's callback
RFC-all\rfc3010.txt: callback ability.
RFC-all\rfc3010.txt: The server will use a CB_GETATTR callback, if the GETATTR attribute
RFC-all\rfc3010.txt: The NFS4_CALLBACK program is used to provide server to client
RFC-all\rfc3010.txt: NFS4_CALLBACK program. There is no predefined RPC program number for
RFC-all\rfc3010.txt: the NFS4_CALLBACK program. It is up to the client to specify a
RFC-all\rfc3010.txt: port number of the NFS4_CALLBACK program are provided by the client
RFC-all\rfc3010.txt: client, callback -> clientid, setclientid_confirm
RFC-all\rfc3010.txt: cb_client4 callback;
RFC-all\rfc3010.txt: The callback information provided in this operation will be used
RFC-all\rfc3010.txt: numbers for the callback program at the time SETCLIENTID is used.
RFC-all\rfc3010.txt:15. NFS Version 4 Callback Procedures
RFC-all\rfc3010.txt: The procedures used for callbacks are defined in the following
RFC-all\rfc3010.txt: an individual callback RPC, the sense of these terms would be
RFC-all\rfc3010.txt: callback procedures into a single RPC request. The main callback
RFC-all\rfc3010.txt: The client should reply to the callback immediately. Replying
RFC-all\rfc3010.txt: * Callback program info as provided by the client
RFC-all\rfc3010.txt: cb_client4 callback;
RFC-all\rfc3010.txt: * NFS4 Callback Procedure Definitions and Program
RFC-all\rfc3010.txt: program NFS4_CALLBACK {
RFC-all\rfc3124.txt: 1. Callback-based transmission. The callback-based transmission API
RFC-all\rfc3124.txt: the rate, the CM MUST invoke a callback using cmapp_send(), which is
RFC-all\rfc3124.txt: a grant for the stream to send up to PMTU bytes. The callback-style
RFC-all\rfc3124.txt: cm_request(int k). The cmapp_send callback for this request is
RFC-all\rfc3124.txt: and callbacks made.
RFC-all\rfc3124.txt: 2. Synchronous-style. The above callback-based API accommodates a
RFC-all\rfc3124.txt: rate). While CM callbacks could be configured to periodically
RFC-all\rfc3124.txt: periodicity and granularity of its callbacks. Thus, the CM MUST
RFC-all\rfc3124.txt: callback function, where newrate is the new rate in bits per second
RFC-all\rfc3124.txt: To avoid unnecessary cmapp_update() callbacks that the application
RFC-all\rfc3124.txt: execution. In response, the CM SHOULD invoke the callback only when
RFC-all\rfc3124.txt: the benefit of the cm_request() callback API for TCP will become
RFC-all\rfc3124.txt: the callback-based primitive. Section 6.1.2 describes how
RFC-all\rfc3124.txt: cmapp_send() callback function. The application MUST NOT send data
RFC-all\rfc3124.txt: based on this callback after this time has expired. Furthermore, if
RFC-all\rfc3124.txt: callback, it SHOULD call cm_notify(stream_info, 0) to allow the CM to
RFC-all\rfc3124.txt: callback API. TCP only identifies which data it should send upon the
RFC-all\rfc3124.txt: sent from its cmapp_send() callback, TCP updates its tcp_ownd value.
RFC-all\rfc3124.txt: 4. The cmapp_send() callback for TCP is set to an output routine.
RFC-all\rfc3124.txt: callbacks from the CM. When a CM UDP socket is created, it is bound
RFC-all\rfc3124.txt: The application also implements the cmapp_update() callback. When
RFC-all\rfc3169.txt: - Callback to a pre-determined phone number
RFC-all\rfc3261.txt: about the time of callback. An optional "duration" parameter
RFC-all\rfc3265.txt: callback services (based on terminal state events), buddy lists
RFC-all\rfc3323.txt: One way to accomplish this is to procure an 'anonymous callback' URI
RFC-all\rfc3323.txt: callback URIs to users in the same way that an ordinary SIP service
RFC-all\rfc3530.txt: 3.4. Callback RPC Authentication. . . . . . . . . . . . . 28
RFC-all\rfc3530.txt: 9.2. Delegation and Callbacks. . . . . . . . . . . . . . 94
RFC-all\rfc3530.txt: 15. NFS version 4 Callback Procedures . . . . . . . . . . . . 225
RFC-all\rfc3530.txt: Illegal Callback Operation . . . . . . . . 230
RFC-all\rfc3530.txt: to specify new client callback information. Also added
RFC-all\rfc3530.txt: clarification of the callback information itself.
RFC-all\rfc3530.txt: structured so that an RPC callback mechanism is not required. This
RFC-all\rfc3530.txt: client and recall the delegation. This requires that a callback path
RFC-all\rfc3530.txt: exist between the server and client. If this callback path does not
RFC-all\rfc3530.txt: clientid or as part of the callback registration. The
RFC-all\rfc3530.txt: For callbacks from the server to the client, the same rules apply,
RFC-all\rfc3530.txt: but the server doing the callback becomes the client, and the client
RFC-all\rfc3530.txt: receiving the callback becomes the server.
RFC-all\rfc3530.txt:3.4. Callback RPC Authentication
RFC-all\rfc3530.txt: Except as noted elsewhere in this section, the callback RPC
RFC-all\rfc3530.txt: principal, so the callback from the server simply uses the AUTH_SYS
RFC-all\rfc3530.txt: server to use SPKM-3 and not LIPKEY for the callback even if the
RFC-all\rfc3530.txt: principal must be the same for the callback as it was for the
RFC-all\rfc3530.txt: version 4 client that receives the callback).
RFC-all\rfc3530.txt: It should be noted that LIPKEY may not work for callbacks, since the
RFC-all\rfc3530.txt: the callback can authenticate the NFS server's user name/password
RFC-all\rfc3530.txt: o When the server does a callback, it must authenticate to the
RFC-all\rfc3530.txt: of establishing the information the server needs to make callbacks to
RFC-all\rfc3530.txt: 4 protocol must not rely on a callback mechanism and therefore is
RFC-all\rfc3530.txt:9.2. Delegation and Callbacks
RFC-all\rfc3530.txt: "callback" RPC from server to client, a server recalls delegated
RFC-all\rfc3530.txt: Because callback RPCs may not work in all environments (due to
RFC-all\rfc3530.txt: on them. Preliminary testing of callback functionality by means of a
RFC-all\rfc3530.txt: CB_NULL procedure determines whether callbacks can be supported. The
RFC-all\rfc3530.txt: CB_NULL procedure checks the continuity of the callback path. A
RFC-all\rfc3530.txt: server makes a preliminary assessment of callback availability to a
RFC-all\rfc3530.txt: determined that callbacks are supported. Because the granting of a
RFC-all\rfc3530.txt: will cause the server to recall a delegation through a callback.
RFC-all\rfc3530.txt: respond to a recall callback. In this case, the server will revoke
RFC-all\rfc3530.txt: o Network partition (full or callback-only)
RFC-all\rfc3530.txt: o The use of callbacks is not to be depended upon until the client
RFC-all\rfc3530.txt: A loss of the callback path (e.g., by later network configuration
RFC-all\rfc3530.txt: o The client must be able to respond to the server's callback
RFC-all\rfc3530.txt: callback ability.
RFC-all\rfc3530.txt: a failure of the callback path from server to the client. The client
RFC-all\rfc3530.txt: may be unaware of a failure in the callback path. This lack of
RFC-all\rfc3530.txt: o When the callback path is down, the server MUST NOT revoke the
RFC-all\rfc3530.txt: across callback path failures. The client that wants to keep
RFC-all\rfc3530.txt: delegations in force across callback path failures must use RENEW
RFC-all\rfc3530.txt: The NFS4_CALLBACK program is used to provide server to client
RFC-all\rfc3530.txt: NFS4_CALLBACK program. There is no predefined RPC program number for
RFC-all\rfc3530.txt: the NFS4_CALLBACK program. It is up to the client to specify a
RFC-all\rfc3530.txt: port number of the NFS4_CALLBACK program are provided by the client
RFC-all\rfc3530.txt: when the server has determined that the callback path is down. When
RFC-all\rfc3530.txt: callback path is down, it returns NFS4ERR_CB_PATH_DOWN. Even though
RFC-all\rfc3530.txt: error other than NFS4ERR_CB_PATH_DOWN, even if the callback path is
RFC-all\rfc3530.txt: client, callback, callback_ident -> clientid, setclientid_confirm
RFC-all\rfc3530.txt: cb_client4 callback;
RFC-all\rfc3530.txt: uint32_t callback_ident;
RFC-all\rfc3530.txt: intention to use a particular client identifier, callback, and
RFC-all\rfc3530.txt: callback_ident for subsequent requests that entail creating lock,
RFC-all\rfc3530.txt: use SETCLIENTID and SETCLIENTID_CONFIRM to modify the callback and
RFC-all\rfc3530.txt: callback_ident information but not the shorthand clientid. In that
RFC-all\rfc3530.txt: The callback information provided in this operation will be used if
RFC-all\rfc3530.txt: numbers for the callback program at the time SETCLIENTID is used.
RFC-all\rfc3530.txt: The callback_ident value is used by the server on the callback. The
RFC-all\rfc3530.txt: client can leverage the callback_ident to eliminate the need for more
RFC-all\rfc3530.txt: than one callback RPC program number, while still being able to
RFC-all\rfc3530.txt: determine which server is initiating the callback.
RFC-all\rfc3530.txt: k represent the value combination of the fields callback and
RFC-all\rfc3530.txt: callback_ident fields of the SETCLIENTID4args structure.
RFC-all\rfc3530.txt: recorded callback and callback_ident information for client { x }.
RFC-all\rfc3530.txt: recorded, the server treats this as a probable callback
RFC-all\rfc3530.txt: update callback value k to value l. It's possible this request is
RFC-all\rfc3530.txt: one from the Byzantine router that has stale callback information,
RFC-all\rfc3530.txt: but this is not a problem. The callback information update is
RFC-all\rfc3530.txt: from the server in the response to SETCLIENTID), a new callback
RFC-all\rfc3530.txt: callback_ident (as specified in the arguments to SETCLIENTID)
RFC-all\rfc3530.txt: client identifier, a new callback value, and a new callback_ident
RFC-all\rfc3530.txt: callback and callback_ident information for client { x } as
RFC-all\rfc3530.txt: relevant leased client state is removed and no recorded callback
RFC-all\rfc3530.txt: and callback_ident information for client { x } is changed.
RFC-all\rfc3530.txt: modifying recorded and confirmed callback and callback_ident
RFC-all\rfc3530.txt: client state and without changing recorded callback and
RFC-all\rfc3530.txt: callback_ident values for client { x }.
RFC-all\rfc3530.txt: leaves its callback and callback_ident values unmodified, and
RFC-all\rfc3530.txt: the callback state with k. The confirmed record { *, x, d, *, t }
RFC-all\rfc3530.txt: modify any recorded callback and callback_ident information for
RFC-all\rfc3530.txt:15. NFS version 4 Callback Procedures
RFC-all\rfc3530.txt: The procedures used for callbacks are defined in the following
RFC-all\rfc3530.txt: an individual callback RPC, the sense of these terms would be
RFC-all\rfc3530.txt: uint32_t callback_ident;
RFC-all\rfc3530.txt: callback procedures into a single RPC request. The main callback RPC
RFC-all\rfc3530.txt: The value of callback_ident is supplied by the client during
RFC-all\rfc3530.txt: SETCLIENTID. The server must use the client supplied callback_ident
RFC-all\rfc3530.txt: The client should reply to the callback immediately. Replying does
RFC-all\rfc3530.txt:15.2.3. Operation 10044: CB_ILLEGAL - Illegal Callback Operation
RFC-all\rfc3530.txt: fields to effectively communicate callback information between client
RFC-all\rfc3530.txt: NFS4ERR_CB_PATH_DOWN = 10048 /* callback path down */
RFC-all\rfc3530.txt: * Callback program info as provided by the client
RFC-all\rfc3530.txt: cb_client4 callback;
RFC-all\rfc3530.txt: uint32_t callback_ident;
RFC-all\rfc3530.txt: * NFS4 Callback Procedure Definitions and Program
RFC-all\rfc3530.txt: uint32_t callback_ident;
RFC-all\rfc3530.txt: program NFS4_CALLBACK {
RFC-all\rfc3538.txt: CallBackFunction : O : This is not used in the SET/IOTP.
RFC-all\rfc3538.txt: CallBackLanguage : O : This is not used in the SET/IOTP.
RFC-all\rfc3538.txt: CallBackFunction : O : This is not used in the SET/IOTP.
RFC-all\rfc3538.txt: CallBackLanguage : O : This is not used in the SET/IOTP.
RFC-all\rfc3538.txt: CallBackFunction : O : This is not used in the current version
RFC-all\rfc3538.txt: CallBack : O : This is not used in the current version
RFC-all\rfc3539.txt: (RTTavg, RTTdev) via callbacks. RTO estimates are currently not
RFC-all\rfc3539.txt: available via the callback interface, though they probably should be.
RFC-all\rfc3576.txt: 0-1 0 0 19 Callback-Number [Note 3]
RFC-all\rfc3576.txt: 0-1 0 0 20 Callback-Id [Note 3]
RFC-all\rfc3580.txt: 3.13. Callback-Number, Callback-ID . . . . . . . . . . . . . . 10
RFC-all\rfc3580.txt:3.13. Callback-Number, Callback-ID
RFC-all\rfc3580.txt: 19 Callback-Number [RFC2865]
RFC-all\rfc3580.txt: 20 Callback-Id [RFC2865]
RFC-all\rfc3652.txt: Clients may choose to implement a callback interface to allow new
RFC-all\rfc3818.txt: PPP LCP CALLBACK OPERATION FIELDS
RFC-all\rfc3867.txt: CallBack )>
RFC-all\rfc3867.txt: CallBackResponse )?)>
RFC-all\rfc3867.txt: CallBackFunction A function which is called whenever there is
RFC-all\rfc3867.txt: CallBackLanguageList
RFC-all\rfc3867.txt: CallBackFunction CDATA #IMPLIED
RFC-all\rfc3867.txt: CallBackLanguageList NMTOKENS #IMPLIED >
RFC-all\rfc3867.txt: CallBackFunction CDATA #IMPLIED
RFC-all\rfc3867.txt: CallBackLanguageList NMTOKENS #IMPLIED >
RFC-all\rfc3867.txt: CallBackFunction CDATA #IMPLIED
RFC-all\rfc3867.txt: CallBackLanguageList NMTOKENS #IMPLIED >
RFC-all\rfc3867.txt: CallBackFunction CDATA #IMPLIED
RFC-all\rfc3867.txt: CallBackLanguageList NMTOKENS #IMPLIED >
RFC-all\rfc3867.txt: <!ELEMENT CallBack EMPTY >
RFC-all\rfc3867.txt: <!ATTLIST CallBack
RFC-all\rfc3867.txt: <!ELEMENT CallBackResponse EMPTY >
RFC-all\rfc3867.txt: <!ATTLIST CallBackResponse <!-- see below --> >
RFC-all\rfc3939.txt: the recipient to callback, or reply to, the sender of the message.
RFC-all\rfc3958.txt: o use callbacks for the S-NAPTR processing; or
RFC-all\rfc4005.txt: 6.2. Callback-Number AVP . . . . . . . . . . . . . . . . . . 32
RFC-all\rfc4005.txt: 6.3. Callback-Id AVP . . . . . . . . . . . . . . . . . . . . 32
RFC-all\rfc4005.txt: [ Callback-Number ]
RFC-all\rfc4005.txt: [ Callback-Id ]
RFC-all\rfc4005.txt: [ Callback-Number ]
RFC-all\rfc4005.txt: [ Callback-Id ]
RFC-all\rfc4005.txt: [ Callback-Number ]
RFC-all\rfc4005.txt: Callback-Number 19 6.2 UTF8String | M | P | | V | Y |
RFC-all\rfc4005.txt: Callback-Id 20 6.3 UTF8String | M | P | | V | Y |
RFC-all\rfc4005.txt: 3 Callback Login
RFC-all\rfc4005.txt: 4 Callback Framed
RFC-all\rfc4005.txt: 9 Callback NAS Prompt
RFC-all\rfc4005.txt: 11 Callback Administrative
RFC-all\rfc4005.txt: Callback Login 3
RFC-all\rfc4005.txt: Callback Framed 4
RFC-all\rfc4005.txt:6.2. Callback-Number AVP
RFC-all\rfc4005.txt: The Callback-Number AVP (AVP Code 19) is of type UTF8String and
RFC-all\rfc4005.txt: contains a dialing string to be used for callback. It MAY be used in
RFC-all\rfc4005.txt: server that a Callback service is desired, but the server is not
RFC-all\rfc4005.txt:6.3. Callback-Id AVP
RFC-all\rfc4005.txt: The Callback-Id AVP (AVP Code 20) is of type UTF8String and contains
RFC-all\rfc4005.txt: This AVP is not roaming-friendly as it assumes that the Callback-Id
RFC-all\rfc4005.txt: is configured on the NAS. Using the Callback-Number AVP therefore
RFC-all\rfc4005.txt: to "Framed" or "Callback Framed".
RFC-all\rfc4005.txt: "Login" or "Callback Login".
RFC-all\rfc4005.txt: Callback | 16 | 26 |
RFC-all\rfc4005.txt: Callback NAS is terminating the current session
RFC-all\rfc4005.txt: to perform callback for a new session.
RFC-all\rfc4005.txt: Callback-Id | 0 | 0-1 |
RFC-all\rfc4005.txt: Callback-Number | 0-1 | 0-1 |
RFC-all\rfc4005.txt: Callback-Id | 0-1 | 0 |
RFC-all\rfc4005.txt: Callback-Number | 0-1 | 0 |
RFC-all\rfc4005.txt: Callback-Id | 0-1 | 0 |
RFC-all\rfc4005.txt: Callback-Number | 0-1 | 0 |
RFC-all\rfc4072.txt: [ Callback-Number ]
RFC-all\rfc4072.txt: [ Callback-Id ]
RFC-all\rfc4072.txt: [ Callback-Number ]
RFC-all\rfc4072.txt: Callback-Id [NASREQ] | 0 | 0-1 |
RFC-all\rfc4072.txt: Callback-Number [NASREQ] | 0-1 | 0-1 |
RFC-all\rfc4072.txt: Callback, various vendor-specific AVPs).
RFC-all\rfc4072.txt: number controlled by the attacker (callback AVPs).
RFC-all\rfc4137.txt: callback function).
RFC-all\rfc4218.txt: ("callbacks") in the reverse direction, or to refer to a 3rd party
RFC-all\rfc4218.txt: callbacks or referrals, note that for the end that has the ephemeral
RFC-all\rfc4235.txt: Automatic Callback: In this basic Public Switched Telephone
RFC-all\rfc4235.txt: busy. User A would like to get a callback when user B hangs
RFC-all\rfc4235.txt: information to maintain privacy for services like automatic callback.
RFC-all\rfc4416.txt: restricted caller-ID information for such purposes as callback.
RFC-all\rfc4474.txt: A verifier could query the domain through some sort of callback
RFC-all\rfc4838.txt: methods for applications to register callback actions when certain
RFC-all\rfc5042.txt: multiple queues or even simple callbacks. All vulnerabilities
RFC-all\rfc5042.txt: the Asynchronous Event Queue. For example, a callback function may
RFC-all\rfc5170.txt: * NB: a callback function indicates to the caller that new symbol(s)
RFC-all\rfc5170.txt: decoded via a callback function;
RFC-all\rfc5176.txt: 0-1 0 0 19 Callback-Number (Note 3)
RFC-all\rfc5176.txt: 0-1 0 0 20 Callback-Id (Note 3)
RFC-all\rfc5338.txt: handles, long-lived application associations, callbacks, referrals,
RFC-all\rfc5338.txt: Callback: The application at one end retrieves the IP address of
RFC-all\rfc5338.txt: for long-lived application associations, callbacks, and referrals,
RFC-all\rfc5338.txt: callbacks and referrals to possibly non-HIP-aware hosts. However,
RFC-all\rfc5351.txt: The application client (pool user) can provide a callback function
RFC-all\rfc5351.txt: This callback function can execute any application-specific
RFC-all\rfc5531.txt: 180025 csmagtcallbackprog
RFC-all\rfc5533.txt: callbacks or referrals, because both the Fully Qualified Domain Name
RFC-all\rfc5533.txt: o Applications that perform referrals or callbacks using IP
RFC-all\rfc5660.txt: could be a "callback" function or "closure" registered as part of
RFC-all\rfc5661.txt: 10.2. Delegation and Callbacks ................................196
RFC-all\rfc5661.txt: 15.3. Callback Operations and Their Valid Errors ..............376
RFC-all\rfc5661.txt: 19. NFSv4.1 Callback Procedures ..................................570
RFC-all\rfc5661.txt: 20. NFSv4.1 Callback Operations ..................................574
RFC-all\rfc5661.txt: 20.13. Operation 10044: CB_ILLEGAL - Illegal Callback
RFC-all\rfc5661.txt: When circumstances change, the lock is recalled via a callback
RFC-all\rfc5661.txt: NFSv4.1 also contains a considerable set of callback operations in
RFC-all\rfc5661.txt: which the server makes an RPC directed at the client. Callback RPCs
RFC-all\rfc5661.txt: all minor versions of the NFSv4 protocol, there are two callback RPC
RFC-all\rfc5661.txt: of callback operations.
RFC-all\rfc5661.txt: The addition of new server and callback operations within the
RFC-all\rfc5661.txt: server requests and callback requests are performed within the
RFC-all\rfc5661.txt: 3. The NFSv4.1 callback model differs from NFSv4.0, and requires the
RFC-all\rfc5661.txt: o Limited callback support, including no support for sending
RFC-all\rfc5661.txt: callbacks through firewalls, and races between replies to normal
RFC-all\rfc5661.txt: requests and callbacks.
RFC-all\rfc5661.txt: sending callback requests, thus solving the firewall issue
RFC-all\rfc5661.txt: callbacks caused by the requests are detected via the session's
RFC-all\rfc5661.txt: "callback_ident", which is superfluous in NFSv4.1 and MUST be ignored
RFC-all\rfc5661.txt: also includes other information needed to resolve callback races
RFC-all\rfc5661.txt: sending a request to the server or the client replying to a callback
RFC-all\rfc5661.txt: callback MAY arrive over a different session than that of the request
RFC-all\rfc5661.txt: that originally acquired the state pertaining to the callback. For
RFC-all\rfc5661.txt: discuss the security considerations around callbacks.
RFC-all\rfc5661.txt: The backchannel is used for callback requests from server to client,
RFC-all\rfc5661.txt: retries) because some callback operations are nonidempotent.
RFC-all\rfc5661.txt: below). With regard to callback channels, the client MUST allow the
RFC-all\rfc5661.txt: server to choose among all callback channels valid for a given client
RFC-all\rfc5661.txt: callbacks.
RFC-all\rfc5661.txt: If the requester is a server wanting to re-send a callback operation
RFC-all\rfc5661.txt:2.10.6.3. Resolving Server Callback Races
RFC-all\rfc5661.txt: It is possible for server callbacks to arrive at the client before
RFC-all\rfc5661.txt: between an erroneous or conflicting callback race condition.
RFC-all\rfc5661.txt: callback, the server SHOULD "remember" the { session ID, slot ID,
RFC-all\rfc5661.txt: server to provide this information in related callbacks, since it is
RFC-all\rfc5661.txt: The CB_SEQUENCE operation that begins each server callback carries a
RFC-all\rfc5661.txt: that the callback has raced the reply, and act accordingly. If the
RFC-all\rfc5661.txt: are other scenarios under which callbacks may race replies. Among
RFC-all\rfc5661.txt: addition, the CB_RECALL_SLOT callback operation (see Section 20.8)
RFC-all\rfc5661.txt:2.10.8.1. Session Callback Security
RFC-all\rfc5661.txt: flavor for callbacks, then it needs to be sure the RPCSEC_GSS
RFC-all\rfc5661.txt: for the client to accept callbacks. The client does this via
RFC-all\rfc5661.txt:2.10.13.1.1. RPCSEC_GSS Context Loss by Callback Path
RFC-all\rfc5661.txt: callback use have expired, the client MUST establish a new handle via
RFC-all\rfc5661.txt: indicates when callback handles are nearly expired, or fully expired
RFC-all\rfc5661.txt: indicate when it has no callback connection via the sr_status_flags
RFC-all\rfc5661.txt: If there were callback requests outstanding at the time of a
RFC-all\rfc5661.txt: that of the original request, the callback target will recognize the
RFC-all\rfc5661.txt: callback operation, it is not subject to checking for a current seqid
RFC-all\rfc5661.txt: sent by the server to the client as part of a callback is required to
RFC-all\rfc5661.txt: notification by an appropriate operation response or callback. Note
RFC-all\rfc5661.txt: receive callback requests.
RFC-all\rfc5661.txt: might have to address in order to allow callback requests to be
RFC-all\rfc5661.txt: provides a callback when a previously unavailable lock becomes
RFC-all\rfc5661.txt: client is requesting a blocking lock. When the callback is not used,
RFC-all\rfc5661.txt: that CB_NOTIFY_LOCK callbacks might be done for the current open
RFC-all\rfc5661.txt: eliminated given a prompt callback, but it still needs to poll. When
RFC-all\rfc5661.txt:10.2. Delegation and Callbacks
RFC-all\rfc5661.txt: "callback" RPC from server to client, a server recalls delegated
RFC-all\rfc5661.txt: will cause the server to recall a delegation through a callback. For
RFC-all\rfc5661.txt: respond to a recall callback. In this case, the server will revoke
RFC-all\rfc5661.txt: o The use of callbacks should not be depended upon until the client
RFC-all\rfc5661.txt: o The client must be able to respond to the server's callback
RFC-all\rfc5661.txt: via callbacks, when the delegations are not immediately available.
RFC-all\rfc5661.txt: The server will recall the directory delegation by sending a callback
RFC-all\rfc5661.txt: to the client. It will use the same callback procedure as used for
RFC-all\rfc5661.txt: CB_LAYOUTRECALL callback operation (see Section 20.3) and returned
RFC-all\rfc5661.txt:12.5.5.1. Layout Recall Callback Robustness
RFC-all\rfc5661.txt: callback results in a LAYOUTRETURN or set of LAYOUTRETURNs that
RFC-all\rfc5661.txt: exactly match the range in the callback, since both client and server
RFC-all\rfc5661.txt: o If conflicts that require callbacks are very rare, and a server
RFC-all\rfc5661.txt: can use a multi-file callback to recover per-client resources
RFC-all\rfc5661.txt: file basis, only sending whole-file callbacks even though clients
RFC-all\rfc5661.txt: send callbacks for layout ranges it has not granted to a client, and
RFC-all\rfc5661.txt: and callbacks. It is the server's responsibility to avoid
RFC-all\rfc5661.txt: concerns callbacks. The protocol must defend against races between
RFC-all\rfc5661.txt: the sessions mechanism for allowing the client to detect callback
RFC-all\rfc5661.txt: replies for these operations before sending the callback, the replies
RFC-all\rfc5661.txt: 2. The server sent the callback before receiving the LAYOUTGET. The
RFC-all\rfc5661.txt: Most forward operations and all callback operations are only valid
RFC-all\rfc5661.txt: There is a problem contacting the client via the callback path. The
RFC-all\rfc5661.txt: destroyed because the server has callback requests outstanding.
RFC-all\rfc5661.txt: The callback operation invoked to deal with a new delegation has
RFC-all\rfc5661.txt:15.3. Callback Operations and Their Valid Errors
RFC-all\rfc5661.txt: each callback operation. The error code NFS4_OK (indicating no
RFC-all\rfc5661.txt: callback operations with the exception of CB_ILLEGAL.
RFC-all\rfc5661.txt: Valid Error Returns for Each Protocol Callback Operation
RFC-all\rfc5661.txt: | Callback Operation | Errors |
RFC-all\rfc5661.txt: The REQUIRED or OPTIONAL designation for callback operations sent by
RFC-all\rfc5661.txt: callback operations. A partial exception is CB_RECALL_SLOT; the only
RFC-all\rfc5661.txt: Callback Operations
RFC-all\rfc5661.txt: CB_GETATTR callback. Second, the server, particularly when the
RFC-all\rfc5661.txt: CB_NOTIFY_LOCK callbacks for locks on this file. This flag is a
RFC-all\rfc5661.txt: union callback_sec_parms4 switch (uint32_t cb_secflavor) {
RFC-all\rfc5661.txt: callback_sec_parms4 bca_sec_parms<>;
RFC-all\rfc5661.txt: The BACKCHANNEL_CTL operation replaces the backchannel's callback
RFC-all\rfc5661.txt: callback_sec_parms4 csa_sec_parms<>;
RFC-all\rfc5661.txt: that conveys callback requests originating from the server to the
RFC-all\rfc5661.txt: callbacks sent through the backchannel to the client. The server
RFC-all\rfc5661.txt: an ONC RPC version number equal to 4 in callbacks sent to the
RFC-all\rfc5661.txt: callbacks for the session. If AUTH_SYS is specified, then the
RFC-all\rfc5661.txt: client is authorizing the server to use AUTH_SYS on all callbacks,
RFC-all\rfc5661.txt: the credential of the RPC header of callbacks to the client.
RFC-all\rfc5661.txt: RPCSEC_GSS credential in callback RPCs. That is, the value in
RFC-all\rfc5661.txt: the RPCSEC_GSS Security Protocol", of [4]) in callback RPCs. The
RFC-all\rfc5661.txt: client initializes its reply cache for receiving callbacks in the
RFC-all\rfc5661.txt: Implementing RPCSEC_GSS callback support requires changes to both the
RFC-all\rfc5661.txt: stateid will appear in callback messages related to the delegation,
RFC-all\rfc5661.txt: operation, rather than via a callback.
RFC-all\rfc5661.txt: synchronous callbacks. A server must support synchronous callbacks
RFC-all\rfc5661.txt: notification callbacks. Of course if there are no remaining layouts
RFC-all\rfc5661.txt: delete a device ID without a notification callback, which will be the
RFC-all\rfc5661.txt: callback MUST be serialized with any outstanding, intersecting
RFC-all\rfc5661.txt: in response to a recall callback for all layouts. It is possible
RFC-all\rfc5661.txt: SEQ4_STATUS_CB_PATH_DOWN. First is that a callback operation that
RFC-all\rfc5661.txt: send a callback operation, but the connection was lost before the
RFC-all\rfc5661.txt: received the callback operation, and so, per rules on request
RFC-all\rfc5661.txt: retry, the server MUST retry the callback operation over the same
RFC-all\rfc5661.txt: and be notified via a callback when the delegation is available.
RFC-all\rfc5661.txt: callbacks. If the server does not support registration of wants,
RFC-all\rfc5661.txt: by means of a callback, it will either provide the delegation
RFC-all\rfc5661.txt: server is making regarding future callbacks are the same as those
RFC-all\rfc5661.txt:19. NFSv4.1 Callback Procedures
RFC-all\rfc5661.txt: The procedures used for callbacks are defined in the following
RFC-all\rfc5661.txt: an individual callback RPC, the sense of these terms would be
RFC-all\rfc5661.txt: /* Callback operations new to NFSv4.1 */
RFC-all\rfc5661.txt: uint32_t callback_ident;
RFC-all\rfc5661.txt: callback procedures into a single RPC request. The main callback RPC
RFC-all\rfc5661.txt:20. NFSv4.1 Callback Operations
RFC-all\rfc5661.txt: The client SHOULD reply to the callback immediately. Replying does
RFC-all\rfc5661.txt: * NFSv4.1 callback arguments and results
RFC-all\rfc5661.txt: they were sent, any such permutation of the callback stream is
RFC-all\rfc5661.txt: that callback has no effect.
RFC-all\rfc5661.txt: the point at which they start sending CB_RECALL_ANY callbacks
RFC-all\rfc5661.txt: client cache the reply in the callback reply cache. The client MUST
RFC-all\rfc5661.txt: This callback is meant to be used by servers to help reduce the
RFC-all\rfc5661.txt: be able to acquire the lock. If the server supports this callback
RFC-all\rfc5661.txt: the client receiving this callback cannot assume that it now has the
RFC-all\rfc5661.txt: The server is not required to implement this callback, and even if it
RFC-all\rfc5661.txt: Similarly, the client is not required to implement this callback, and
RFC-all\rfc5661.txt: NOT assume that the client will act based on the callback.
RFC-all\rfc5661.txt:20.13. Operation 10044: CB_ILLEGAL - Illegal Callback Operation
RFC-all\rfc5662.txt: /// NFS4ERR_CB_PATH_DOWN = 10048,/* callback path down */
RFC-all\rfc5662.txt: /// * Callback program info as provided by the client
RFC-all\rfc5662.txt: /// cb_client4 callback;
RFC-all\rfc5662.txt: /// uint32_t callback_ident;
RFC-all\rfc5662.txt: /// union callback_sec_parms4 switch (uint32_t cb_secflavor) {
RFC-all\rfc5662.txt: /// callback_sec_parms4 bca_sec_parms<>;
RFC-all\rfc5662.txt: /// callback_sec_parms4 csa_sec_parms<>;
RFC-all\rfc5662.txt: /// * NFS4 Callback Procedure Definitions and Program
RFC-all\rfc5662.txt: /// * NFSv4.1 callback arguments and results
RFC-all\rfc5662.txt: /// %/* Callback operations new to NFSv4.1 */
RFC-all\rfc5662.txt: /// uint32_t callback_ident;
RFC-all\rfc5662.txt: /// program NFS4_CALLBACK {
RFC-all\rfc5664.txt: The metadata server can use the CB_RECALL_ANY callback operation to
RFC-all\rfc5666.txt: NFSv4 callbacks are processed by the NFSv4 client, acting as an RPC
RFC-all\rfc5667.txt: 5.1. NFS Version 4 Callbacks ....................................7
RFC-all\rfc5667.txt:5.1. NFS Version 4 Callbacks
RFC-all\rfc5667.txt: The NFS version 4 protocols support server-initiated callbacks to
RFC-all\rfc5667.txt: delegations, etc. These callbacks present no particular issue to
RFC-all\rfc5667.txt: being framed over RPC/RDMA, since such callbacks do not carry bulk
RFC-all\rfc5667.txt: via RDMA_MSG, or if the callback message or its reply overflow the
RFC-all\rfc5667.txt: negotiated buffer sizes for a callback connection, they MAY be
RFC-all\rfc5667.txt: One special case is noteworthy: in NFS version 4.1, the callback
RFC-all\rfc5667.txt: message on such a callback-eligible connection is an RPC CALL, before
RFC-all\rfc5667.txt: In the callback case, the XID present in the RPC/RDMA header will
RFC-all\rfc5746.txt: callbacks might get called multiple times).
RFC-all\rfc5849.txt: oauth_callback="http%3A%2F%2Fprinter.example.com%2Fready",
RFC-all\rfc5849.txt: oauth_callback_confirmed=true
RFC-all\rfc5849.txt: user-agent is redirected to the callback URI provided by the client
RFC-all\rfc5849.txt: The callback request informs the client that Jane completed the
RFC-all\rfc5849.txt: oauth_callback: An absolute URI back to which the server will
RFC-all\rfc5849.txt: the client is unable to receive callbacks or a
RFC-all\rfc5849.txt: callback URI has been established via other means,
RFC-all\rfc5849.txt: oauth_callback="http%3A%2F%2Fclient.example.net%2Fcb%3Fx%3D1",
RFC-all\rfc5849.txt: oauth_callback_confirmed
RFC-all\rfc5849.txt: oauth_callback_confirmed=true
RFC-all\rfc5849.txt: the server redirects the resource owner to the callback URI if one
RFC-all\rfc5849.txt: was provided in the "oauth_callback" parameter or by other means.
RFC-all\rfc5849.txt: following REQUIRED parameters to the callback URI query component:
RFC-all\rfc5849.txt: If the callback URI already includes a query component, the server
RFC-all\rfc5849.txt: If the client did not provide a callback URI, the server SHOULD
RFC-all\rfc5849.txt: CSRF attacks on OAuth callback URIs hosted by clients are also
RFC-all\rfc5849.txt: possible. Clients should prevent CSRF attacks on OAuth callback URIs
RFC-all\rfc5850.txt: Appendix A.3. Automatic Callback . . . . . . . . . . . . . . . . 32
RFC-all\rfc5850.txt:Appendix A.3. Automatic Callback
RFC-all\rfc5850.txt: In Automatic Callback [RFC5359], Alice calls Bob, but Bob is busy.
RFC-all\rfc5929.txt: For example, a TLS client implementation may provide a "callback"
RFC-all\rfc5971.txt: attribute via a MessageStatus callback. This might take place
RFC-all\rfc6046.txt: peer with which it communicates, in order to support callback for
RFC-all\rfc6046.txt: callback". When performing RID callback, a responding system MUST
RFC-all\rfc6046.txt: redirected callback.
RFC-all\rfc6046.txt: callback. Note that all RID messages require a response from the
RFC-all\rfc6046.txt: immediate response or a callback.
RFC-all\rfc6046.txt: RID systems accepting a callback message in an HTTP Request MUST
RFC-all\rfc6046.txt: | Request RID type | Callback | Result | Response RID type |
RFC-all\rfc6250.txt: forward reachability, as well as callbacks (e.g., as used by the File
RFC-all\rfc6281.txt: answers. The callback function for automatically updating tunnels is
RFC-all\rfc6316.txt: connections, callbacks, and referrals [SHIM6-APP-REFER].
RFC-all\rfc6386.txt: /*!\brief Callback function pointer / user data pair storage */
RFC-all\rfc6386.txt: callbacks */
RFC-all\rfc6386.txt: callbacks */
RFC-all\rfc6386.txt: /*!\brief put frame callback prototype
RFC-all\rfc6386.txt: * This callback is invoked by the decoder to notify the
RFC-all\rfc6386.txt: * \param[in] cb Pointer to the callback function
RFC-all\rfc6386.txt: * Callback successfully registered.
RFC-all\rfc6386.txt: /*!\brief put slice callback prototype
RFC-all\rfc6386.txt: * This callback is invoked by the decoder to notify the
RFC-all\rfc6386.txt: * \param[in] cb Pointer to the callback function
RFC-all\rfc6386.txt: * Callback successfully registered.
RFC-all\rfc6386.txt: callbacks */
RFC-all\rfc6386.txt: callbacks */
RFC-all\rfc6386.txt: /*!\brief put frame callback prototype
RFC-all\rfc6386.txt: * This callback is invoked by the decoder to notify the
RFC-all\rfc6386.txt: * \param[in] cb Pointer to the callback function
RFC-all\rfc6386.txt: * Callback successfully registered.
RFC-all\rfc6386.txt: /*!\brief put slice callback prototype
RFC-all\rfc6386.txt: * This callback is invoked by the decoder to notify the
RFC-all\rfc6386.txt: * \param[in] cb Pointer to the callback function
RFC-all\rfc6386.txt: * Callback successfully registered.
RFC-all\rfc6392.txt: owner authorizes the request, and finally (4) a callback is made to
RFC-all\rfc6443.txt: The INVITE request must also have appropriate callback identifiers
RFC-all\rfc6443.txt: wireline and wireless emergency calls include a callback identifier
RFC-all\rfc6443.txt: callbacks immediately by the call taker if, for example, the call is
RFC-all\rfc6443.txt: In addition, a callback identifier as an address of record (AoR) must
RFC-all\rfc6443.txt: identifier would be used to initiate a callback at a later time and
RFC-all\rfc6443.txt: be accepted as a callback from the PSAP if it occurs within a
RFC-all\rfc6546.txt: o The RID-Callback-Token entity header field is added to allow
RFC-all\rfc6546.txt: matching of RID replies during callback, independent of the
RFC-all\rfc6546.txt: RID peer with which it communicates, in order to support callback for
RFC-all\rfc6546.txt: callback mechanism. In this mechanism, the receiving RID system MAY
RFC-all\rfc6546.txt: return a 202 Accepted response, called a RID callback, instead of a
RFC-all\rfc6546.txt: RID message. The RID callback MUST contain a zero-length entity body
RFC-all\rfc6546.txt: and a 'RID-Callback-Token' entity header field, itself containing a
RFC-all\rfc6546.txt: The RID-Callback-Token is an opaque, whitespace-free string of up to
RFC-all\rfc6546.txt: callback among all callbacks from the receiving RID system to the
RFC-all\rfc6546.txt: Callback-Token in ABNF [RFC5234] form is shown below:
RFC-all\rfc6546.txt: callback-token = 1*255(VCHAR)
RFC-all\rfc6546.txt: When performing RID callback, a responding system MUST connect to the
RFC-all\rfc6546.txt: sent; there is no mechanism in RID for redirected callback. This
RFC-all\rfc6546.txt: callback SHOULD use TCP port 4590 unless configured to use a
RFC-all\rfc6546.txt: callback. Note that all RID messages require a response from the
RFC-all\rfc6546.txt: immediate response or a callback.
RFC-all\rfc6546.txt: | Request RID type | Callback | Result | Response RID type |
RFC-all\rfc6629.txt: It is worth noting that callbacks can benefit naturally from Shim6
RFC-all\rfc6629.txt: support. In a callback, an application in B retrieves IP_A, the IP
RFC-all\rfc6629.txt: callbacks, and application referrals, and avoids management and
RFC-all\rfc6665.txt: callback services (based on terminal state events), buddy lists
RFC-all\rfc6749.txt: state between the request and callback. The authorization
RFC-all\rfc6749.txt: state between the request and callback. The authorization
RFC-all\rfc6819.txt: The "state" parameter is used to link requests and callbacks to
RFC-all\rfc6819.txt: sent by the browser to the callback endpoint can gain access to
RFC-all\rfc6819.txt: any redirect callback unless it is linked to an authorization
RFC-all\rfc6881.txt: 10. Callbacks .....................................................18
RFC-all\rfc6881.txt: with the same registrar, to permit an immediate callback to the
RFC-all\rfc6881.txt:10. Callbacks
RFC-all\rfc6881.txt: SP-35: Callbacks to the Contact header URI received within
RFC-all\rfc6881.txt: original call. Such a callback would not necessarily reach the
RFC-all\rfc6881.txt: that would interfere with the ability of callbacks from the PSAP
RFC-all\rfc6881.txt: ED-69: Callbacks SHOULD be determined by retaining the domain of the
RFC-all\rfc6881.txt: emergency call, then it should be assumed to be a callback. The
RFC-all\rfc6881.txt: PSAP's domain. Recognizing a callback from the domain of the PSAP
RFC-all\rfc6881.txt: to give the endpoint the ability to recognize a callback.
RFC-all\rfc6897.txt: REQ14: An application should be able to register for callbacks to be
RFC-all\rfc7009.txt: callback OPTIONAL. The qualified name of a JavaScript function.
RFC-all\rfc7009.txt: callback=package.myCallback
RFC-all\rfc7009.txt: package.myCallback();
RFC-all\rfc7009.txt: package.myCallback({"error":"unsupported_token_type"});
RFC-all\rfc7046.txt: typedef void (*MembershipEventCallback)
RFC-all\rfc7046.txt: int registerEventCallback(MembershipEventCallback callback);
RFC-all\rfc7090.txt: Public Safety Answering Point (PSAP) Callback
RFC-all\rfc7090.txt: A call taker may trigger a callback to the emergency caller using the
RFC-all\rfc7090.txt: callback could, under certain circumstances, be treated like any
RFC-all\rfc7090.txt: callbacks to bypass authorization policies in order to reach the
RFC-all\rfc7090.txt: for the SIP Priority header field, called "psap-callback", to mark
RFC-all\rfc7090.txt: PSAP callbacks.
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: 3. Callback Scenarios ..............................................5
RFC-all\rfc7090.txt: 4. SIP PSAP Callback Indicator ....................................12
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: to initiate a callback to the emergency caller. This is desirable in
RFC-all\rfc7090.txt: emergency caller is called a "PSAP callback".
RFC-all\rfc7090.txt: A PSAP callback may, however, be blocked by user-configured
RFC-all\rfc7090.txt: itself) cannot differentiate the PSAP callback from any other SIP
RFC-all\rfc7090.txt: PSAP callbacks in such a way that the chances of reaching the
RFC-all\rfc7090.txt: authorization policies. Ideally, the PSAP callback has to relate to
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: callbacks was defined in Section 13 of [RFC6443]. The specification
RFC-all\rfc7090.txt: A UA may be able to determine a PSAP callback by examining the
RFC-all\rfc7090.txt: accepted as a callback from the PSAP if it occurs within a
RFC-all\rfc7090.txt:3. Callback Scenarios
RFC-all\rfc7090.txt: treatment of callbacks fails. As explained in Section 1, a SIP
RFC-all\rfc7090.txt: entity examines an incoming PSAP callback by comparing the domain of
RFC-all\rfc7090.txt: handling. Unless the two devices are synchronized, the callback
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: When a callback is sent from psap@example.com towards the emergency
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: being set up during the emergency call setup procedure. A callback
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: callback sometime later leaves the same PSTN/VoIP gateway or that the
RFC-all\rfc7090.txt: callbacks.
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:4. SIP PSAP Callback Indicator
RFC-all\rfc7090.txt: callback", for the SIP Priority header field defined in [RFC3261].
RFC-all\rfc7090.txt: associated with a PSAP callback SIP session.
RFC-all\rfc7090.txt: PSAP callback-specific procedures for the session or request.
RFC-all\rfc7090.txt: The PSAP callback-specific procedures may be applied by SIP-based
RFC-all\rfc7090.txt: receiving a call marked as a PSAP callback marked call, such as
RFC-all\rfc7090.txt: header field value "psap-callback".
RFC-all\rfc7090.txt: priority-value =/ "psap-callback"
RFC-all\rfc7090.txt: The PSAP callback functionality described in this document allows
RFC-all\rfc7090.txt: the SIP Priority header value, "psap-callback", is supported by the
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: recognize and accept a callback from the PSAP if it occurs within a
RFC-all\rfc7090.txt: calling party identity is not needed since the callback may use a
RFC-all\rfc7090.txt: PSAP to decide whether a preferential treatment of callbacks should
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt: consequently the identification of a PSAP callback is less
RFC-all\rfc7090.txt: to verify whether the marked callback message indeed came from a
RFC-all\rfc7090.txt: VoIP providers MUST only give PSAP callbacks preferential treatment
RFC-all\rfc7090.txt: callback marking. Thereby, the callback reverts to a normal call.
RFC-all\rfc7090.txt: callback mechanism, for example, to ensure that their support calls
RFC-all\rfc7090.txt: Finally, a PSAP callback MUST use the same media as the original
RFC-all\rfc7090.txt: callback must also attempt to establish a real-time communication
RFC-all\rfc7090.txt: certain media and hence using the same media for the callback avoids
RFC-all\rfc7090.txt: noise when subsequently the ringtone triggered by a PSAP callback
RFC-all\rfc7090.txt: This document adds the "psap-callback" value to the SIP "Priority
RFC-all\rfc7090.txt: of the newly defined "psap-callback" value is defined in Section 4.
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7090.txt:RFC 7090 PSAP Callback April 2014
RFC-all\rfc7118.txt: The WebSocket API [WS-API] for web browsers only defines callbacks
RFC-all\rfc7155.txt: 4.4.2. Callback-Number AVP ................................34
RFC-all\rfc7155.txt: 4.4.3. Callback-Id AVP ....................................34
RFC-all\rfc7155.txt: [ Callback-Number ]
RFC-all\rfc7155.txt: [ Callback-Id ]
RFC-all\rfc7155.txt: [ Callback-Number ]
RFC-all\rfc7155.txt: [ Callback-Id ]
RFC-all\rfc7155.txt: [ Callback-Number ]
RFC-all\rfc7155.txt: Callback-Number 4.4.2 | M | V |
RFC-all\rfc7155.txt: Callback-Id 4.4.3 | M | V |
RFC-all\rfc7155.txt: Callback Login (3)
RFC-all\rfc7155.txt: Callback Framed (4)
RFC-all\rfc7155.txt:4.4.2. Callback-Number AVP
RFC-all\rfc7155.txt: The Callback-Number AVP (AVP Code 19) is of type UTF8String and
RFC-all\rfc7155.txt: contains a dialing string to be used for callback, the format of
RFC-all\rfc7155.txt: which is deployment specific. The Callback-Number AVP MAY be used in
RFC-all\rfc7155.txt: server that a callback service is desired, but the server is not
RFC-all\rfc7155.txt:4.4.3. Callback-Id AVP
RFC-all\rfc7155.txt: The Callback-Id AVP (AVP Code 20) is of type UTF8String and contains
RFC-all\rfc7155.txt: This AVP is not roaming-friendly as it assumes that the Callback-Id
RFC-all\rfc7155.txt: is configured on the NAS. Using the Callback-Number AVP
RFC-all\rfc7155.txt: "Callback Framed".
RFC-all\rfc7155.txt: "Login" or "Callback Login".
RFC-all\rfc7155.txt: Callback-Id | 0 | 0-1 |
RFC-all\rfc7155.txt: Callback-Number | 0-1 | 0-1 |
RFC-all\rfc7155.txt: Callback-Id | 0-1 | 0 |
RFC-all\rfc7155.txt: Callback-Number | 0-1 | 0 |
RFC-all\rfc7155.txt: Callback-Id | 0-1 | 0 |
RFC-all\rfc7155.txt: Callback-Number | 0-1 | 0 |
RFC-all\rfc7378.txt: Patel, "Public Safety Answering Point (PSAP) Callback",
RFC-all\rfc7406.txt: To enable callbacks, SIP UAs SHOULD place a globally routable URI in
RFC-all\rfc7462.txt: 6.2.4. Auto Callback ......................................12
RFC-all\rfc7462.txt: callback, not tied to any particular rendering.
RFC-all\rfc7462.txt: recall, auto callback, and hold recall.
RFC-all\rfc7462.txt:6.2.4. Auto Callback
RFC-all\rfc7462.txt: an automatic callback service [RFC6910]. When the user is available,
RFC-all\rfc7462.txt: - recall:callback
RFC-all\rfc7462.txt: service:recall:callback RFC 7462 Recall due to callback
RFC-all\rfc7530.txt: 3.3.3. Callback RPC Authentication ........................29
RFC-all\rfc7530.txt: 10.2. Delegation and Callbacks ................................140
RFC-all\rfc7530.txt: 13.3. Callback Operations and Their Valid Errors ..............200
RFC-all\rfc7530.txt: 17. NFSv4 Callback Procedures ....................................306
RFC-all\rfc7530.txt: 18. NFSv4 Callback Operations ....................................309
RFC-all\rfc7530.txt: 18.3. Operation 10044: CB_ILLEGAL - Illegal Callback
RFC-all\rfc7530.txt: that an RPC callback mechanism is not required. This is a departure
RFC-all\rfc7530.txt: client and recall the delegation. This requires that a callback path
RFC-all\rfc7530.txt: exist between the server and client. If this callback path does not
RFC-all\rfc7530.txt: callback information to the new server if state has been migrated.
RFC-all\rfc7530.txt: to specify new client callback information. Also added
RFC-all\rfc7530.txt: clarification of the callback information itself.
RFC-all\rfc7530.txt: using a client ID or (2) as part of the callback registration. The
RFC-all\rfc7530.txt: callback address; it includes the program number and client address.
RFC-all\rfc7530.txt: For callbacks from the server to the client, the same rules apply,
RFC-all\rfc7530.txt: but the server doing the callback becomes the client, and the client
RFC-all\rfc7530.txt: receiving the callback becomes the server.
RFC-all\rfc7530.txt:3.3.3. Callback RPC Authentication
RFC-all\rfc7530.txt: Except as noted elsewhere in this section, the callback RPC
RFC-all\rfc7530.txt: principal, so the callback from the server simply uses the AUTH_SYS
RFC-all\rfc7530.txt: principal must be the same for the callback as it was for the
RFC-all\rfc7530.txt: information the server needs to make callbacks to the client for the
RFC-all\rfc7530.txt: notification by an appropriate operation response or callback.
RFC-all\rfc7530.txt: protocol must not rely on a callback mechanism and therefore is
RFC-all\rfc7530.txt: A client SHOULD re-establish new callback information with the new
RFC-all\rfc7530.txt:10.2. Delegation and Callbacks
RFC-all\rfc7530.txt: "callback" RPC from server to client, a server recalls delegated
RFC-all\rfc7530.txt: Because callback RPCs may not work in all environments (due to
RFC-all\rfc7530.txt: on them. Preliminary testing of callback functionality by means of a
RFC-all\rfc7530.txt: CB_NULL procedure determines whether callbacks can be supported. The
RFC-all\rfc7530.txt: CB_NULL procedure checks the continuity of the callback path. A
RFC-all\rfc7530.txt: server makes a preliminary assessment of callback availability to a
RFC-all\rfc7530.txt: determined that callbacks are supported. Because the granting of a
RFC-all\rfc7530.txt: will cause the server to recall a delegation through a callback.
RFC-all\rfc7530.txt: respond to a recall callback. In this case, the server will revoke
RFC-all\rfc7530.txt: o Network partition (full or callback-only)
RFC-all\rfc7530.txt: o The use of callbacks is not to be depended upon until the client
RFC-all\rfc7530.txt: A loss of the callback path (e.g., by a later network configuration
RFC-all\rfc7530.txt: o The client must be able to respond to the server's callback
RFC-all\rfc7530.txt: callback ability.
RFC-all\rfc7530.txt: failed callback path, the server should periodically probe the client
RFC-all\rfc7530.txt: a failure of the callback path from the server to the client. The
RFC-all\rfc7530.txt: client may be unaware of a failure in the callback path. This lack
RFC-all\rfc7530.txt: o When the callback path is down, the server MUST NOT revoke the
RFC-all\rfc7530.txt: across callback path failures. The client that wants to keep
RFC-all\rfc7530.txt: delegations in force across callback path failures must use RENEW
RFC-all\rfc7530.txt: There is a problem contacting the client via the callback path.
RFC-all\rfc7530.txt:13.3. Callback Operations and Their Valid Errors
RFC-all\rfc7530.txt: each callback operation. The error code NFS4_OK (indicating no
RFC-all\rfc7530.txt: callback operations, with the exception of CB_ILLEGAL.
RFC-all\rfc7530.txt: | Callback | Errors |
RFC-all\rfc7530.txt: Table 8: Valid Error Returns for Each Protocol Callback Operation
RFC-all\rfc7530.txt: The NFS4_CALLBACK program is used to provide server-to-client
RFC-all\rfc7530.txt: NFS4_CALLBACK program. There is no predefined RPC program number for
RFC-all\rfc7530.txt: the NFS4_CALLBACK program. It is up to the client to specify a
RFC-all\rfc7530.txt: port numbers of the NFS4_CALLBACK program are provided by the client
RFC-all\rfc7530.txt: CB_GETATTR callback. Second, the server, particularly when the
RFC-all\rfc7530.txt: when the server has determined that the callback path is down. When
RFC-all\rfc7530.txt: callback path is down, it returns NFS4ERR_CB_PATH_DOWN. Even though
RFC-all\rfc7530.txt: error other than NFS4ERR_CB_PATH_DOWN, even if the callback path is
RFC-all\rfc7530.txt: client, callback, callback_ident -> clientid, setclientid_confirm
RFC-all\rfc7530.txt: cb_client4 callback;
RFC-all\rfc7530.txt: uint32_t callback_ident;
RFC-all\rfc7530.txt: intention to use a particular client identifier, callback, and
RFC-all\rfc7530.txt: callback_ident for subsequent requests that entail creating lock,
RFC-all\rfc7530.txt: SETCLIENTID and SETCLIENTID_CONFIRM to modify the callback and
RFC-all\rfc7530.txt: callback_ident information but not the shorthand client ID. In that
RFC-all\rfc7530.txt: The callback information provided in this operation will be used if
RFC-all\rfc7530.txt: numbers for the callback program at the time SETCLIENTID is used.
RFC-all\rfc7530.txt: The callback_ident value is used by the server on the callback. The
RFC-all\rfc7530.txt: client can leverage the callback_ident to eliminate the need for more
RFC-all\rfc7530.txt: than one callback RPC program number, while still being able to
RFC-all\rfc7530.txt: determine which server is initiating the callback.
RFC-all\rfc7530.txt: k represent the value combination of the callback and callback_ident
RFC-all\rfc7530.txt: recorded callback and callback_ident information for client { x }.
RFC-all\rfc7530.txt: and recorded, the server treats this as a probable callback
RFC-all\rfc7530.txt: update callback value k to value l. It's possible this request is
RFC-all\rfc7530.txt: one from the Byzantine router that has stale callback information,
RFC-all\rfc7530.txt: but this is not a problem. The callback information update is
RFC-all\rfc7530.txt: from the server in the response to SETCLIENTID), a new callback
RFC-all\rfc7530.txt: callback_ident value (as specified in the arguments to
RFC-all\rfc7530.txt: client identifier; a new callback value; and a new callback_ident
RFC-all\rfc7530.txt: callback and callback_ident information for client { x } as
RFC-all\rfc7530.txt: relevant leased client state is removed and no recorded callback
RFC-all\rfc7530.txt: and callback_ident information for client { x } is changed.
RFC-all\rfc7530.txt: modifying recorded and confirmed callback and callback_ident
RFC-all\rfc7530.txt: client state, and without changing recorded callback and