From c3d5cdbb54304850a2d85fb7ef592ea31aee364f Mon Sep 17 00:00:00 2001
From: Blueve <672454911@qq.com>
Date: Wed, 23 Sep 2020 05:12:44 +0000
Subject: [PATCH 1/3] [bash.bashrc] Add reverse SSH script to bash.bashrc

---
 files/image_config/bash/bash.bashrc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/files/image_config/bash/bash.bashrc b/files/image_config/bash/bash.bashrc
index 6651a51ceed0..3d815caf21de 100644
--- a/files/image_config/bash/bash.bashrc
+++ b/files/image_config/bash/bash.bashrc
@@ -56,3 +56,12 @@ fi
 
 # Automatically log out console ttyS* sessions after 15 minutes of inactivity
 tty | grep ttyS >/dev/null && TMOUT=900
+
+# if SSH_TARGET_CONSOLE_LINE was set, attach to console line interactive cli directly
+if [ ! -z "$SSH_TARGET_CONSOLE_LINE" ]; then
+    # enter the interactive cli
+    sudo connect $SSH_TARGET_CONSOLE_LINE
+
+    # exit after console session ended
+    exit
+fi
\ No newline at end of file

From 060d2aad44a6afbb6abb82c5cba063a344253694 Mon Sep 17 00:00:00 2001
From: Blueve <672454911@qq.com>
Date: Sat, 24 Oct 2020 02:38:31 +0000
Subject: [PATCH 2/3] Fix command issue and add emptt line before EOF

---
 files/image_config/bash/bash.bashrc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/files/image_config/bash/bash.bashrc b/files/image_config/bash/bash.bashrc
index 3d815caf21de..643bab238aaa 100644
--- a/files/image_config/bash/bash.bashrc
+++ b/files/image_config/bash/bash.bashrc
@@ -58,10 +58,10 @@ fi
 tty | grep ttyS >/dev/null && TMOUT=900
 
 # if SSH_TARGET_CONSOLE_LINE was set, attach to console line interactive cli directly
-if [ ! -z "$SSH_TARGET_CONSOLE_LINE" ]; then
+if [ -n "$SSH_TARGET_CONSOLE_LINE" ]; then
     # enter the interactive cli
-    sudo connect $SSH_TARGET_CONSOLE_LINE
+    sudo connect line $SSH_TARGET_CONSOLE_LINE
 
     # exit after console session ended
     exit
-fi
\ No newline at end of file
+fi

From 23e3185e032d57ca932b55d12b53c919a5639ec9 Mon Sep 17 00:00:00 2001
From: Blueve <672454911@qq.com>
Date: Fri, 20 Nov 2020 02:40:05 +0000
Subject: [PATCH 3/3] Add checks for SSH_TARGET_CONSOLE_LINE

---
 files/image_config/bash/bash.bashrc | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/files/image_config/bash/bash.bashrc b/files/image_config/bash/bash.bashrc
index 643bab238aaa..0f19263ae04a 100644
--- a/files/image_config/bash/bash.bashrc
+++ b/files/image_config/bash/bash.bashrc
@@ -59,9 +59,17 @@ tty | grep ttyS >/dev/null && TMOUT=900
 
 # if SSH_TARGET_CONSOLE_LINE was set, attach to console line interactive cli directly
 if [ -n "$SSH_TARGET_CONSOLE_LINE" ]; then
-    # enter the interactive cli
-    sudo connect line $SSH_TARGET_CONSOLE_LINE
+    if [ $SSH_TARGET_CONSOLE_LINE -eq $SSH_TARGET_CONSOLE_LINE 2>/dev/null ]; then
+        # enter the interactive cli
+        connect line $SSH_TARGET_CONSOLE_LINE
 
-    # exit after console session ended
-    exit
+        # test exit code, 1 means the console switch feature not enabled
+        if [ $? -ne 1 ]; then
+            # exit after console session ended
+            exit
+        fi
+    else
+        # exit directly when target console line variable is invalid
+        exit
+    fi
 fi