u

home-config.sh

@@ -31,7 +31,7 @@ else
   fi
 fi
 
-
+# $2 应当为用户名。为空则默认是 root
 if [ "$2" ]
 then
   HomePath=/home/$2
@@ -39,12 +39,12 @@ else
   HomePath=~
 fi
 
-if [ -d $HomePath ]
+if [ -d "$HomePath" ]
 then
   pushd $HomePath
   homescriptlist=".emacs .emacs.lisp .bashrc .bash_profile .gitignore"
   echo
-  echo "=== Copy or link scripts? <l> for link, <<anything else>> for copy:"
+  echo "=== Copy or link scripts? <l> for link, <anything else> for copy:"
   read -p ">>> " CopyOrLinkScripts
   for homescript in $homescriptlist
   do
@@ -59,31 +59,36 @@ then
     fi
   done
   echo
-  echo "=== Append or link or omit [.ssh/authorized_keys] to config ssh server? <a> for append, <l> for link, <<anything else>> for omit:"
-  read -p ">>> " CopyOrLinkOrOmitAuthorizedKeys
 
-  mkdir -p $HomePath/.ssh
-  chmod 700 $HomePath/.ssh
-  if [ "$2" ] # 注意，由 root 为新用户创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
-  then
+  if [ $2 ] # 如果 $2 不存在，则默认为是 root 用户，不需要设置 .ssh
+  then 
+
+    mkdir -p $HomePath/.ssh
+    chmod 700 $HomePath/.ssh
+    # 注意，由 root 为新用户创建的配置文件的 owner 是 root，而不是新用户，导致新用户无法读取该文件而密钥登录失败，因此要重设 owner。
     chown $2:$2 $HomePath
-  fi
-  if [ -e '$HomePath/.ssh/authorized_keys' ]
-  then
-    mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%d%H%M%S)
+    if [ -e '$HomePath/.ssh/authorized_keys' ]
+    then
+      mv $HomePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys.backup-$(date +%Y%m%d%H%M%S)
+    fi
+
+    echo "=== Append or link or omit [.ssh/authorized_keys] to config ssh server? <a> for append, <l> for link, <<anything else>> for omit:"
+    read -p ">>> " CopyOrLinkOrOmitAuthorizedKeys
+
+    if [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'l' ]
+    then
+      echo "--- Linking $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
+      ln -s $SourcePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys
+    elif [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'a' ]
+    then
+      echo "--- Copying $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
+      cat $SourcePath/.ssh/authorized_keys >> $HomePath/.ssh/authorized_keys
+      chmod 600 $HomePath/.ssh/authorized_keys
+    fi
+    echo
+
   fi
 
-  if [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'l' ]
-  then
-    echo "--- Linking $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
-    ln -s $SourcePath/.ssh/authorized_keys $HomePath/.ssh/authorized_keys
-  elif [ "$CopyOrLinkOrOmitAuthorizedKeys" = 'a' ]
-  then
-    echo "--- Copying $SourcePath/authorized_keys to $HomePath/.ssh/authorized_keys ..."
-    cat $SourcePath/.ssh/authorized_keys >> $HomePath/.ssh/authorized_keys
-    chmod 600 $HomePath/.ssh/authorized_keys
-  fi
-  echo
   popd
 else
   echo "!!! Not existing $HomePath, please try again."