iwd/doc/agent-api.txt

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Agent Manager hierarchy
=======================
Service net.connman.iwd
Interface net.connman.iwd.AgentManager
Object path /net/connman/iwd
Methods void RegisterAgent(object path)
Register new agent for handling user secrets requests.
The agent object's methods on the net.connman.iwd.Agent
interface will be called when IWD needs to request
credentials for a connection to a network in station
mode.
Possible Errors: [service].InvalidArguments
[service].Failed
[service].AlreadyExists
void UnregisterAgent(object path)
Unregister an existing agent.
Possible Errors: [service].InvalidArguments
[service].Failed
[service].NotFound
void RegisterNetworkConfigurationAgent(object path)
Register the agent for handling IPv4 and IPv6
configuration setting. This method and its
corresponding unregister method are only supported
if network configuration is enabled: see
EnableNetworkConfiguration in iwd.config(5) and
NetworkConfigurationEnabled in
net.connman.iwd.Daemon.GetInfo in daemon-api.txt.
During a station-mode, AP-mode or P2P connection, IWD
will obtain the IP configuration values for a network
interface, either automatically from a remote server
(DHCP or otherwise), generate it or read it from a
settings file. If no network configuration agent is
present, IWD immediately writes (commits) those
values to the corresponding interface, the routing
table and communicates them to the resolver. If such
agent is registered, IWD requests the agent to do
this last step.
Connection success is not signalled until the agent
method has returned. The agent may also be invoked
during the connection lifetime whenever the IP
configuration changes and after a roam. The agent
object must have the NetworkConfigurationAgent
interface.
Possible Errors: [service].InvalidArguments
[service].Failed
[service].AlreadyExists
[service].NotSupported
void UnregisterNetworkConfigurationAgent(object path)
Unregister an existing network configuration agent.
Possible Errors: [service].InvalidArguments
[service].Failed
[service].NotFound
[service].NotAvailable
Agent hierarchy
===============
Service unique name
Interface net.connman.iwd.Agent
Object path freely definable
Methods void Release() [noreply]
This method gets called when the service daemon
unregisters the agent. An agent can use it to do
cleanup tasks. There is no need to unregister the
agent, because when this method gets called it has
already been unregistered.
string RequestPassphrase(object network)
This method gets called when trying to connect to
a network and passphrase is required.
Possible Errors: net.connman.iwd.Agent.Error.Canceled
string RequestPrivateKeyPassphrase(object network)
This method gets called when connecting to
a network that requires authentication using a
locally-stored encrypted private key file, to
obtain that private key's encryption passphrase.
Possible Errors: net.connman.iwd.Agent.Error.Canceled
(string, string) RequestUserNameAndPassword(object network)
This method gets called when connecting to
a network that requires authentication using a
user name and password.
Possible Errors: net.connman.iwd.Agent.Error.Canceled
string RequestUserPassword(object network, string user)
This method gets called when connecting to
a network that requires authentication with a
user password. The user name is optionally passed
in the parameter.
Possible Errors: net.connman.iwd.Agent.Error.Canceled
void Cancel(string reason) [noreply]
This method gets called to indicate that the agent
request failed before a reply was returned. The
argument will indicate why the request is being
cancelled and may be "out-of-range", "user-canceled",
"timed-out" or "shutdown".
Examples Requesting a passphrase for WPA2 network
RequestPassphrase("/net/connman/iwd/0/3/54657374_psk")
==> "secret123"
NetworkConfigurationAgent hierarchy [experimental]
===================================
Service unique name
Interface net.connman.iwd.NetworkConfigurationAgent
Object path freely definable
Methods void Release() [noreply]
This method gets called when the service daemon
unregisters the agent. An agent can use it to do
cleanup tasks. There is no need to unregister the
agent, because when this method gets called it has
already been unregistered.
void ConfigureIPv4(object device, dict config)
This method gets called during connection setup
and later while the connection is operational
whenever a new set of IPv4 configuration values is to
be written to a network interface. The connection is
aborted if the method call returns an error or times
out.
In case of a station-mode connection, the 'device'
parameter points at an object with a
net.connman.iwd.Device interface whose Name property
contains the name of network interface. In case of a
P2P connection, the object will have
a net.connman.iwd.p2p.Peer interface whose
ConnectectedInterface property contains the name of
the target network interface.
The 'config' dictionary (a{sv}) maps string keys to
values of types defined per key. Each call receives
the full set of values which supersede those from
previous calls.
The following key/value pairs are defined, but more
may be added in future versions.
string Method - Indicates whether the local address
was set statically (value "static") or obtained
automatically such as through DHCP (value "auto").
Even when addresses were obtained from the remote
end some configuration bits, such as DNS addresses,
may have been overridden locally.
array(dict) Addresses - Local IP addresses. Each
address is described by a set of key/value properties
as documented further down.
array(dict) Routes - Routes for on-link and off-link
prefixes/subnets and default routers. Each route is
described by a set of key/value properties as
documented further down.
array(string) DomainNameServers [optional] - Holds
the list of DNS server addresses configured if any
exist.
array(string) DomainNames [optional] - Holds the
network's local domain names if any exist.
string MDNS [optional] - One of "true", "false" and
"resolve". Controls whether Multicast DNS support is
to be enabled on the link. When set to "resolve",
only resolution is enabled, but not host or service
registration and announcement (see systemd.network(5).)
The following properties are defined for local
addresses, but more may be added in the future:
string Address - Holds the IP address string.
byte PrefixLength [optional] - Prefix length
associated with the address's subnet (IPv4 only).
string Broadcast [optional] - Broadcast address
associated with the address's subnet (IPv4 only).
uint32 ValidLifetime [optional] - Remaining validity
and ownership time for this address assignment/lease,
in seconds at the time of the method call.
If absent the address doesn't expire.
uint32 PreferredLifetime [optional] - Number of
seconds left at the time of the method call for this
address to be preferred over other addresses.
The following properties are defined for routes,
but more may be added in the future:
string, byte Destination [optional] - Holds the
route's destination IP prefix string and the prefix
length in bits. Absent for default routes.
string Router [optional] - Holds the router's IP
address. Absent for on-link routes.
string PreferredSource [optional] - Route source IP
address.
uint32 Lifetime [optional] - Remaining route validity
time in seconds at the time of the method call.
If absent the route doesn't expire.
uint32 Priority - Relative route priority.
byte Preference [optional] - ICMPv6 route preference:
0 for medium, 1 for high and 3 for low.
uint32 MTU [optional] - Router MTU.
Possible Errors: net.connman.iwd.Agent.Error.Canceled
net.connman.iwd.Agent.Error.Failed
void ConfigureIPv6(object device, dict config)
Same as ConfigureIPv4 above but for IPv6.
void CancelIPv4(object device, string reason) [noreply]
This method gets called to indicate that the network
configuration was aborted before a reply was received
for an ongoing ConfigureIPv4 or ConfigureIPv6 call.
The last argument will indicate why the request is being
cancelled and may be one of: "aborted", "superseded",
"timed-out".
void CancelIPv6(object device, string reason) [noreply]
Same as CancelIPv4 above but for IPv6.