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Active Directory Reset Password

.Net

Active Directory 사용자의 비밀번호를 초기화하는 응용 프로그램입니다.

이전글: Active Directory 비밀번호 변경은 본인 계정으로 로그온한 후 비밀번호를 변경하기 위한 코드입니다..

사용

active-directory-user-change-password

  1. 도메인을 입력합니다. e.g.) bbon.kr
  2. Active Directory 관리자 계정 이름을 입력합니다. e.g.) Administrator
  3. Active Directory 관리자 계정 비밀번호를 입력합니다.
  4. 비밀번호를 변경할 계정 이름을 입력합니다.
  5. Connect 버튼을 클릭합니다.
  6. 연결에 문제가 없는 경우 변경할 비밀번호 입력 텍스트 박스가 활성화됩니다.
  7. 변경할 비밀번호, 비밀번호 확인 텍스트 박스에 변경할 비밀번호를 동일하게 입력합니다.
  8. Change 버튼을 클릭합니다.
  • Active Directory 관리자 계정 정보 계정이름, 비밀번호가 필요합니다.

코드

  • .NET Framework 4.0이 필요합니다.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.DirectoryServices;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace TestAdPassword
{
    public class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            this.passwordChgTextBox.Enabled = false;
            this.passwordChgReTextBox.Enabled = false;
            this.changeButton.Enabled = false;

            this.Load += Form1_Load;
            this.connectButton.Click += btnTest_Click;
            this.changeButton.Click += btnChg_Click;
        }

        void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                this.domainTextBox.Focus();
            }
            catch (Exception ex)
            {
                WriteToTextBox(ex);
            }
        }

        void btnTest_Click(object sender, EventArgs e)
        {
            var button = sender as Button;
            if (button != null)
            {
                if (button.Text.Equals("Connect"))
                {
                    try
                    {

                        if (string.IsNullOrEmpty(this.domainTextBox.Text.Trim()))
                        {
                            MessageBox.Show("도메인명을 입력하세요", "알림");
                            this.domainTextBox.Focus();
                        }
                        else if (string.IsNullOrEmpty(this.adminUsernameTextBox.Text.Trim()))
                        {
                            MessageBox.Show("관리자 계정이름을 입력하세요.", "알림");
                            this.adminUsernameTextBox.Focus();
                        }
                        else if (string.IsNullOrEmpty(this.adminPasswordTextBox.Text.Trim()))
                        {
                            MessageBox.Show("관리자 비밀번호를 입력하세요.", "알림");
                            this.adminPasswordTextBox.Focus();
                        }
                        else if (string.IsNullOrEmpty(this.lookupUsernameTextBox.Text.Trim()))
                        {
                            MessageBox.Show("비밀번호를 변경할 사용자 계정이름을 입력하세요.", "알림");
                            this.lookupUsernameTextBox.Focus();
                        }
                        else
                        {
                            string adDomain = this.domainTextBox.Text.Trim();
                            string userName = this.adminUsernameTextBox.Text.Trim();
                            string userPassword = this.adminPasswordTextBox.Text.Trim();
                            string lookupUsername = this.lookupUsernameTextBox.Text.Trim();

                            Connect(adDomain, userName, userPassword, lookupUsername);
                        }
                    }
                    catch (Exception ex)
                    {
                        this.passwordChgTextBox.Enabled = false;
                        this.passwordChgReTextBox.Enabled = false;
                        this.changeButton.Enabled = false;

                        WriteToTextBox(ex);
                    }
                }
                else
                {
                    Disconnect();
                }

            }
        }

        void btnChg_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrEmpty(this.passwordChgTextBox.Text.Trim()))
                {
                    MessageBox.Show("변경할 비밀번호를 입력하세요", "알림");
                    this.passwordChgTextBox.Focus();
                }
                else if (string.IsNullOrEmpty(this.passwordChgTextBox.Text.Trim()))
                {
                    MessageBox.Show("변경할 비밀번호를 입력하세요.", "알림");
                    this.passwordChgReTextBox.Focus();
                }
                else if (!this.passwordChgTextBox.Text.Trim().Equals(this.passwordChgReTextBox.Text.Trim()))
                {
                    MessageBox.Show("변경할 비밀번호를 확인하세요.\r\n변경할 비밀번호와 다시 입력한 변경할 비밀번호는 동일해야 합니다.", "알림");
                    this.passwordChgReTextBox.Focus();
                }
                else
                {

                    string adDomain = this.domainTextBox.Text.Trim();
                    string userName = this.adminUsernameTextBox.Text.Trim();
                    string userPassword = this.adminPasswordTextBox.Text.Trim();
                    string lookupUsername = this.lookupUsernameTextBox.Text.Trim();

                    string sMessage = string.Empty;

                    DirectoryEntry adUser = this.GetUserInfo(adDomain, userName, userPassword, lookupUsername, out sMessage);

                    if (adUser == null || !string.IsNullOrEmpty(sMessage))
                    {
                        throw new Exception(sMessage);
                    }

                    foreach (string propertyName in adUser.Properties.PropertyNames)
                    {
                        string oneNode = String.Format("{0}: {1}", propertyName, adUser.Properties[propertyName][0]);
                        Console.WriteLine(oneNode);
                        WriteToTextBox("Found User");
                        WriteToTextBox(oneNode);
                    }

                    string chgPassword = this.passwordChgTextBox.Text.Trim();

                    int val = (int)adUser.Properties["userAccountControl"].Value;
                    adUser.Properties["userAccountControl"].Value = val & ~0x2;
                    adUser.Properties["pwdLastSet"].Value = 0;
                    adUser.CommitChanges();

                    adUser.Invoke("SetPassword", chgPassword);
                    adUser.CommitChanges();

                    WriteToTextBox("Success");
                    WriteToTextBox("비밀번호가 변경되었습니다:");

                }
            }
            catch (Exception ex)
            {
                WriteToTextBox(ex);
            }
        }

        void Connect(string domain, string adminUsername, string adminPassword, string lookupUsername)
        {
            try
            {

                string sMessage = string.Empty;

                DirectoryEntry adUser = this.GetUserInfo(domain, adminUsername, adminPassword, lookupUsername, out sMessage);
                if (adUser == null || !string.IsNullOrEmpty(sMessage))
                {
                    throw new ApplicationException(sMessage);
                }

                foreach (string propertyName in adUser.Properties.PropertyNames)
                {
                    string oneNode = String.Format("{0} : {1}", propertyName, adUser.Properties[propertyName][0]);

                    Console.WriteLine(oneNode);

                    WriteToTextBox("Found User");
                    WriteToTextBox(oneNode);
                    this.consoleTextBox.ScrollToCaret();
                }

                WriteToTextBox("[Test Success]");

                this.domainTextBox.Enabled = false;
                this.adminUsernameTextBox.Enabled = false;
                this.adminPasswordTextBox.Enabled = false;
                this.lookupUsernameTextBox.Enabled = false;
                this.connectButton.Text = "Disconnect";

                this.passwordChgTextBox.Enabled = true;
                this.passwordChgReTextBox.Enabled = true;
                this.changeButton.Enabled = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex);
                throw;
            }
        }

        void Disconnect()
        {
            this.domainTextBox.Enabled = true;
            this.adminUsernameTextBox.Enabled = true;
            this.adminPasswordTextBox.Enabled = true;
            this.lookupUsernameTextBox.Enabled = true;
            this.connectButton.Text = "Connect";

            this.passwordChgTextBox.ResetText();
            this.passwordChgTextBox.Enabled = false;

            this.passwordChgReTextBox.ResetText();
            this.passwordChgReTextBox.Enabled = false;
            this.changeButton.Enabled = false;
        }

        DirectoryEntry GetUserInfo(string domain, string adminUsername, string adminPassword, string lookUpUsername, out string message)
        {
            message = string.Empty;
            DirectoryEntry adUser = null;

            try
            {
                string[] atmpDomain = domain.Split('.');
                string userNameDomain = string.Empty;

                if (domain.Contains("@"))
                {
                    userNameDomain = adminUsername + "@" + atmpDomain;
                }
                else
                {
                    if (atmpDomain.Length > 0)
                    {
                        userNameDomain = atmpDomain[0] + @"\" + adminUsername;
                    }
                    else
                    {
                        throw new ApplicationException("도메인명 처리중 오류가 발생했습니다");
                    }
                }

                DirectoryEntry entryPC = new DirectoryEntry("LDAP://" + domain, userNameDomain, adminPassword);
                //entryPC.AuthenticationType = AuthenticationTypes.Secure;
                if (entryPC == null)
                {
                    throw new ApplicationException("사용자를 찾을 수 없습니다.");
                }

                DirectorySearcher search = new DirectorySearcher(entryPC);
                search.Filter = "(SAMAccountName=" + lookUpUsername + ")";
                search.PropertiesToLoad.Add("cn");
                SearchResult result = search.FindOne();
                adUser = result.GetDirectoryEntry();

                return adUser;
            }
            catch (Exception ex)
            {
                WriteToTextBox(ex);
                message = ex.Message;
                return adUser;
            }
        }

        void WriteToTextBox(string format, params object[] args)
        {
            string message = String.Format(format, args);
            consoleTextBox.AppendText(message);
            consoleTextBox.AppendText(Environment.NewLine);
            consoleTextBox.ScrollToCaret();
        }

        void WriteToTextBox(string message)
        {
            WriteToTextBox("{0}", message);
        }

        void WriteToTextBox(Exception ex)
        {
            WriteToTextBox("--[Exception: {0, 30}]-------------------------------", ex.GetType().FullName);

            WriteToTextBox("Message: {0}", ex.Message);
            WriteToTextBox("Stack trace: {0}{1}", Environment.NewLine, ex.StackTrace);

            if(ex.InnerException != null)
            {
                WriteToTextBox("--[Inner Exception: {0, 30}]-------------------------", ex.InnerException.GetType().FullName);
                WriteToTextBox("Message: {0}", ex.InnerException.Message);
                WriteToTextBox("Stack trace: {0}{1}", Environment.NewLine, ex.InnerException.StackTrace);
            }
            WriteToTextBox("--[End Exception]------------------------------------");
        }

        #region Designer.cs
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.domainTextBox = new System.Windows.Forms.TextBox();
            this.adminUsernameTextBox = new System.Windows.Forms.TextBox();
            this.adminPasswordTextBox = new System.Windows.Forms.TextBox();
            this.passwordChgReTextBox = new System.Windows.Forms.TextBox();
            this.passwordChgTextBox = new System.Windows.Forms.TextBox();
            this.consoleTextBox = new System.Windows.Forms.RichTextBox();
            this.connectButton = new System.Windows.Forms.Button();
            this.changeButton = new System.Windows.Forms.Button();
            this.label1 = new System.Windows.Forms.Label();
            this.label2 = new System.Windows.Forms.Label();
            this.label3 = new System.Windows.Forms.Label();
            this.label4 = new System.Windows.Forms.Label();
            this.label5 = new System.Windows.Forms.Label();
            this.lookupUsernameTextBox = new System.Windows.Forms.TextBox();
            this.label6 = new System.Windows.Forms.Label();
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.groupBox1.SuspendLayout();
            this.SuspendLayout();
            // 
            // domainTextBox
            // 
            this.domainTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.domainTextBox.Location = new System.Drawing.Point(155, 20);
            this.domainTextBox.Name = "domainTextBox";
            this.domainTextBox.Size = new System.Drawing.Size(277, 20);
            this.domainTextBox.TabIndex = 0;
            // 
            // adminUsernameTextBox
            // 
            this.adminUsernameTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.adminUsernameTextBox.Location = new System.Drawing.Point(155, 49);
            this.adminUsernameTextBox.Name = "adminUsernameTextBox";
            this.adminUsernameTextBox.Size = new System.Drawing.Size(277, 20);
            this.adminUsernameTextBox.TabIndex = 1;
            // 
            // adminPasswordTextBox
            // 
            this.adminPasswordTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.adminPasswordTextBox.Location = new System.Drawing.Point(155, 87);
            this.adminPasswordTextBox.Name = "adminPasswordTextBox";
            this.adminPasswordTextBox.PasswordChar = '*';
            this.adminPasswordTextBox.Size = new System.Drawing.Size(277, 20);
            this.adminPasswordTextBox.TabIndex = 2;
            // 
            // passwordChgReTextBox
            // 
            this.passwordChgReTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.passwordChgReTextBox.Location = new System.Drawing.Point(134, 45);
            this.passwordChgReTextBox.Name = "passwordChgReTextBox";
            this.passwordChgReTextBox.PasswordChar = '*';
            this.passwordChgReTextBox.Size = new System.Drawing.Size(277, 20);
            this.passwordChgReTextBox.TabIndex = 12;
            // 
            // passwordChgTextBox
            // 
            this.passwordChgTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.passwordChgTextBox.Location = new System.Drawing.Point(134, 19);
            this.passwordChgTextBox.Name = "passwordChgTextBox";
            this.passwordChgTextBox.PasswordChar = '*';
            this.passwordChgTextBox.Size = new System.Drawing.Size(277, 20);
            this.passwordChgTextBox.TabIndex = 11;
            // 
            // consoleTextBox
            // 
            this.consoleTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
            | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.consoleTextBox.Location = new System.Drawing.Point(12, 290);
            this.consoleTextBox.Name = "consoleTextBox";
            this.consoleTextBox.ReadOnly = true;
            this.consoleTextBox.Size = new System.Drawing.Size(420, 99);
            this.consoleTextBox.TabIndex = 5;
            this.consoleTextBox.TabStop = false;
            this.consoleTextBox.Text = "";
            // 
            // connectButton
            // 
            this.connectButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.connectButton.Location = new System.Drawing.Point(357, 151);
            this.connectButton.Name = "connectButton";
            this.connectButton.Size = new System.Drawing.Size(75, 23);
            this.connectButton.TabIndex = 6;
            this.connectButton.Text = "Connect";
            this.connectButton.UseVisualStyleBackColor = true;
            // 
            // changeButton
            // 
            this.changeButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
            this.changeButton.Location = new System.Drawing.Point(339, 71);
            this.changeButton.Name = "changeButton";
            this.changeButton.Size = new System.Drawing.Size(75, 23);
            this.changeButton.TabIndex = 21;
            this.changeButton.Text = "Change";
            this.changeButton.UseVisualStyleBackColor = true;
            // 
            // label1
            // 
            this.label1.Location = new System.Drawing.Point(12, 20);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(100, 20);
            this.label1.TabIndex = 8;
            this.label1.Text = "Domain";
            this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // label2
            // 
            this.label2.Location = new System.Drawing.Point(12, 40);
            this.label2.Name = "label2";
            this.label2.Size = new System.Drawing.Size(100, 38);
            this.label2.TabIndex = 9;
            this.label2.Text = "Username to log on as administrator";
            this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // label3
            // 
            this.label3.Location = new System.Drawing.Point(12, 78);
            this.label3.Name = "label3";
            this.label3.Size = new System.Drawing.Size(100, 38);
            this.label3.TabIndex = 10;
            this.label3.Text = "Password to log on as administrator";
            this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // label4
            // 
            this.label4.Location = new System.Drawing.Point(6, 19);
            this.label4.Name = "label4";
            this.label4.Size = new System.Drawing.Size(100, 20);
            this.label4.TabIndex = 11;
            this.label4.Text = "Password";
            this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // label5
            // 
            this.label5.Location = new System.Drawing.Point(6, 46);
            this.label5.Name = "label5";
            this.label5.Size = new System.Drawing.Size(100, 20);
            this.label5.TabIndex = 12;
            this.label5.Text = "Password confirm";
            this.label5.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // lookupUsernameTextBox
            // 
            this.lookupUsernameTextBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.lookupUsernameTextBox.Location = new System.Drawing.Point(155, 125);
            this.lookupUsernameTextBox.Name = "lookupUsernameTextBox";
            this.lookupUsernameTextBox.Size = new System.Drawing.Size(277, 20);
            this.lookupUsernameTextBox.TabIndex = 3;
            // 
            // label6
            // 
            this.label6.Location = new System.Drawing.Point(12, 116);
            this.label6.Name = "label6";
            this.label6.Size = new System.Drawing.Size(100, 38);
            this.label6.TabIndex = 14;
            this.label6.Text = "Username to change a password";
            this.label6.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
            // 
            // groupBox1
            // 
            this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
            | System.Windows.Forms.AnchorStyles.Right)));
            this.groupBox1.Controls.Add(this.passwordChgTextBox);
            this.groupBox1.Controls.Add(this.passwordChgReTextBox);
            this.groupBox1.Controls.Add(this.changeButton);
            this.groupBox1.Controls.Add(this.label5);
            this.groupBox1.Controls.Add(this.label4);
            this.groupBox1.Location = new System.Drawing.Point(12, 180);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(420, 104);
            this.groupBox1.TabIndex = 10;
            this.groupBox1.TabStop = false;
            this.groupBox1.Text = "Chage user\'s password";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(444, 401);
            this.Controls.Add(this.groupBox1);
            this.Controls.Add(this.label6);
            this.Controls.Add(this.lookupUsernameTextBox);
            this.Controls.Add(this.label3);
            this.Controls.Add(this.label2);
            this.Controls.Add(this.label1);
            this.Controls.Add(this.connectButton);
            this.Controls.Add(this.consoleTextBox);
            this.Controls.Add(this.adminPasswordTextBox);
            this.Controls.Add(this.adminUsernameTextBox);
            this.Controls.Add(this.domainTextBox);
            this.MinimumSize = new System.Drawing.Size(460, 440);
            this.Name = "Form1";
            this.Text = "Change Active Directory User Password";
            this.groupBox1.ResumeLayout(false);
            this.groupBox1.PerformLayout();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.TextBox domainTextBox;
        private System.Windows.Forms.TextBox adminUsernameTextBox;
        private System.Windows.Forms.TextBox adminPasswordTextBox;
        private System.Windows.Forms.TextBox passwordChgReTextBox;
        private System.Windows.Forms.TextBox passwordChgTextBox;
        private System.Windows.Forms.RichTextBox consoleTextBox;
        private System.Windows.Forms.Button connectButton;
        private System.Windows.Forms.Button changeButton;
        private System.Windows.Forms.Label label1;
        private System.Windows.Forms.Label label2;
        private System.Windows.Forms.Label label3;
        private System.Windows.Forms.Label label4;
        private System.Windows.Forms.Label label5;
        private System.Windows.Forms.TextBox lookupUsernameTextBox;
        private System.Windows.Forms.Label label6;
        private System.Windows.Forms.GroupBox groupBox1;
        #endregion
    }
}

참조

아래 링크를 통해 GitHub에서 코드를 확인하세요.

bbonkr: Reset active directory user’s password

코드 실행에 문제가 있는 경우 아래 링크를 통해 알려주십시오.

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