From 56d71f261a8bd6031e47e2bf80867049a2aa13da Mon Sep 17 00:00:00 2001
From: chenjinsong <chenjinsong@nismail.iie.ac.cn>
Date: Thu, 27 Sep 2018 16:11:54 +0800
Subject: initial commit

---
 linuxinstall/shell/execCmdBySu.sh | 78 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 linuxinstall/shell/execCmdBySu.sh

(limited to 'linuxinstall/shell/execCmdBySu.sh')

diff --git a/linuxinstall/shell/execCmdBySu.sh b/linuxinstall/shell/execCmdBySu.sh
new file mode 100644
index 0000000..4a94436
--- /dev/null
+++ b/linuxinstall/shell/execCmdBySu.sh
@@ -0,0 +1,78 @@
+#!/usr/bin/expect
+
+if {$argc!=4&&$argc!=3} {
+	send_user "usage: execCmdBySu.sh resultFlag command name \[password\]\n"
+	exit 1
+}
+# 0是执行命令并取得结果，1是执行&后台程序
+set resultFlag [lindex $argv 0]
+set cmd [lindex $argv 1]
+set user [lindex $argv 2]
+set pass [lindex $argv 3]
+
+set timeout 30
+set flag 0
+
+#关闭控制台输出信息
+log_user 0
+	
+spawn whoami
+expect "root" {set flag 1}
+		
+# 在执行命令${cmd}后追加"echo $?",为了取cmd命令运行的实际结果, 并屏蔽掉其他不相关的输出信息
+if {$resultFlag==0} {
+		spawn su - -c "${cmd};echo $?" ${user}
+		
+		#当前登录用户不是root，输入密码
+		if {$flag==0} {
+				expect {
+						"口令*" {send ${pass}\r}
+						"password*" {send ${pass}\r}
+						default {
+								send_error "error\n"
+								exit 2
+						}
+				}
+		}
+		
+		#打开控制台输出信息
+	  log_user 1
+	  
+		expect {
+		 		"* 密码不正确*" {exit 1}
+		 		#----此处的目的是为了能读取到所有输出结果
+				eof {exit 0}
+		}
+	
+} else {	
+		spawn su - -c "${cmd}" ${user}
+		
+		#当前登录用户不是root，输入密码
+		if {$flag==0} {
+				expect {
+						"口令*" {send ${pass}\r}
+						"password*" {send ${pass}\r}
+						default {
+								send_error "error\n"
+								exit 2
+						}
+				}
+		}
+		expect {
+			 "* 密码不正确*" {exit 1}
+			 #----为了&后台启动命令能正常结束
+			 eof {
+			 		send_user "ok\n"
+			 		exit 0
+			 }
+		}
+}
+interact
+exit 0
+
+
+#overlay chess
+#overlay program args
+#disconnect
+#close -onexec 0 -i ${spawn_id}
+#remove_nulls 1
\ No newline at end of file
-- 
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