Question

我想从我的Java应用程序创建一个带有密码的Linux系统用户。我目前使用以下代码：

ProcessBuilder pb = 
new ProcessBuilder("/bin/bash", "-c", "/usr/sbin/useradd -p $(openssl passwd -1 " + password + ") " + username);

unix命令useradd要求用户sudoer /输入密码，因此我将用户添加到/etc/sudoers：

myUser  ALL=NOPASSWD: /usr/sbin/useradd

直接从命令行创建用户（使用sudo，但不输入密码）可以正常工作。但是，如果我从Java应用程序创建用户，我会得到：

[info] application - useradd: Permission denied.
[info] application - useradd: cannot lock /etc/passwd; try again later.

将sudo添加到流程字符串（"sudo /usr/sbin/useradd -p $(openssl passwd -1 " + password + ") " + username)）时，我没有得到任何（错误）输出，但也没有创建用户。

编辑：

/etc/sudoers - 文件

#
# This file MUST be edited with the 'visudo' command as root.
#
# Please consider adding local content in /etc/sudoers.d/ instead of
# directly modifying this file.
#
# See the man page for details on how to write a sudoers file.
#
Defaults        env_reset
Defaults        mail_badpass
Defaults        secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"

# Host alias specification

# User alias specification

# Cmnd alias specification

# User privilege specification
root    ALL=(ALL:ALL) ALL
myUser  ALL=NOPASSWD: /usr/sbin/useradd

# Members of the admin group may gain root privileges
%admin ALL=(ALL) ALL

# Allow members of group sudo to execute any command
%sudo   ALL=(ALL:ALL) ALL

# See sudoers(5) for more information on "#include" directives:

#includedir /etc/sudoers.d

Java应用程序由myUser

执行

使用Java密码创建Linux系统用户

0 个答案: