From 1f0cf9fdd6e9b396fb5657fd3b44549497315f0c Mon Sep 17 00:00:00 2001
From: Busslina <busslina@gmail.com>
Date: Tue, 7 Jan 2025 15:29:46 +0100
Subject: [PATCH 1/2] Providing `SSHClient` on `onAuthenticated` callback

Before this, I have to do this trick with a `Completer`:
```dart
final socket = await SSHSocket.connect(_remoteSshHost, 22);
final authenticatedCompleter = Completer();
final client = SSHClient(
  socket,
  username: _remoteSshUser,
  identities: SSHKeyPair.fromPem(
    cc.read(sshPrivateKeyFileCapsule).readAsStringSync(),
  ),
  onAuthenticated: () {
    authenticatedCompleter.complete();
  },
);
print('Authenticating to SSH repository');

await authenticatedCompleter.future;
```
---
 lib/src/ssh_client.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/src/ssh_client.dart b/lib/src/ssh_client.dart
index 9ddc183..85b5077 100644
--- a/lib/src/ssh_client.dart
+++ b/lib/src/ssh_client.dart
@@ -36,7 +36,7 @@ typedef SSHUserInfoRequestHandler = FutureOr<List<String>?> Function(
 /// https://datatracker.ietf.org/doc/html/rfc4252#section-5.4
 typedef SSHUserauthBannerHandler = void Function(String banner);
 
-typedef SSHAuthenticatedHandler = void Function();
+typedef SSHAuthenticatedHandler = void Function(SSHClient);
 
 typedef SSHRemoteConnectionFilter = bool Function(String host, int port);
 
@@ -559,7 +559,7 @@ class SSHClient {
     printTrace?.call('<- $socket: SSH_Message_Userauth_Success');
     printDebug?.call('SSHClient._handleUserauthSuccess');
     _authenticated.complete();
-    onAuthenticated?.call();
+    onAuthenticated?.call(this);
     _keepAlive?.start();
   }
 

From c984829d2e4d2d0a259b3cf94d053b4fe1d384f3 Mon Sep 17 00:00:00 2001
From: Busslina <busslina@gmail.com>
Date: Tue, 7 Jan 2025 15:55:59 +0100
Subject: [PATCH 2/2] Environment variables feature

Sending a map of environment variables on channel creation
---
 lib/src/ssh_client.dart | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/src/ssh_client.dart b/lib/src/ssh_client.dart
index 85b5077..b942727 100644
--- a/lib/src/ssh_client.dart
+++ b/lib/src/ssh_client.dart
@@ -125,6 +125,8 @@ class SSHClient {
   /// method. Set this to null to disable automatic keep-alive messages.
   final Duration? keepAliveInterval;
 
+  final Map<String, String> environmentVariables;
+
   /// Function called when additional host keys are received. This is an OpenSSH
   /// extension. May not be called if the server does not support the extension.
   // final SSHHostKeysHandler? onHostKeys;
@@ -151,6 +153,7 @@ class SSHClient {
     this.onUserauthBanner,
     this.onAuthenticated,
     this.keepAliveInterval = const Duration(seconds: 10),
+    this.environmentVariables = const {},
   }) {
     _transport = SSHTransport(
       socket,
@@ -951,12 +954,20 @@ class SSHClient {
       throw SSHStateError('Unexpected channel confirmation');
     }
 
-    return _acceptChannel(
+    final channelController = _acceptChannel(
       localChannelId: localChannelId,
       remoteChannelId: reply.senderChannel,
       remoteInitialWindowSize: reply.initialWindowSize,
       remoteMaximumPacketSize: reply.maximumPacketSize,
     );
+
+    // Sending environment variables
+    for (final environmentVariable in environmentVariables.entries) {
+      channelController.sendEnv(
+          environmentVariable.key, environmentVariable.value);
+    }
+
+    return channelController;
   }
 
   SSHChannelController _acceptChannel({