Este script adiciona máquina linux ao dominio Windows.

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#!/bin/sh

###############################################################################
# Copyright (C) 2011 - Fabio Antonio Ferreira                                 #
# http://fantonio.wordpress.com | fantonios@gmail.com                         #
#                                                                             #
# Este trabalho está licenciado sob uma Licença Creative Commons              #
# Atribuição-Compartilhamento pela mesma Licença 2.5 Brasil. Para ver a copia #
# desta licença, acesse: http://creativecommons.org/licenses/by-sa/2.5/br/    #
# ou envie uma carta para Creative Commons, 171 Second Street, Suite 300,     #
# San Francisco, California 94105, USA.                                       #
#                                                                             #
# Modificações em 15 de abril de 2011 por Fábio Antonio (fantonio)            #
#                                                                             #
###############################################################################
#
# Versão 1.0
# - Versão original
#

preto="{FONTE}33[0;30m"
vermelho="{FONTE}33[0;31m"
verde="{FONTE}33[0;32m"

# == FUNCOES ==================================================================
USUARIO=`whoami`
if [ "$USUARIO" != "root" ]; then 
  echo 
  echo "=============================================================================="
  echo " ESTE PROGRAMA PRECISA SER EXECUTADO COM PERMISSOES DE SUPERUSUARIO!          "  
  echo " Abortando...                              "
  echo "=============================================================================="
  echo 
  exit 1
fi

_HEAD () {
`which clear`
echo "=============================================================================="
echo "          SISTEMA PARA ADICIONAR MAQUINA LINUX AO DOMÍNIO WINDOWS"
echo "=============================================================================="
}

_PACOTES () {
        echo "Instalando os pacotes necessários";
        aptitude install krb5-user libpam-krb5 winbind samba smbfs smbclient krb5-config libkrb53 libkadm55 -y > /dev/null;
        check=$?
        if [ $check -eq 0 ]; then
           echo "Pacotes instalados com sucesso {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
        else
           echo "Falha ao instalar os pacotes {FONTE}33[0;31m [fail]  {FONTE}33[0m "
        fi
}

_HORA () {
        echo "Atualizando data e hora"; 
        ntpdate br.pool.ntp.org > /dev/null;
        echo "Horario atual:" `date`
        echo "Hora alterada com sucesso {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
}

_BACKUP_ORIG () {
        # Rotina de Backup dos arquivos de configurações.
        cp /etc/krb5.conf /etc/krb5.conf_backup > /dev/null
        cp /etc/samba/smb.conf /etc/samba/smb.conf_backup > /dev/null
        cp /etc/nsswitch.conf /etc/nsswitch.conf_backup > /dev/null
        cp /etc/pam.d/common-account /etc/pam.d/common-account_backup > /dev/null
        cp /etc/pam.d/common-auth /etc/pam.d/common-auth_backup > /dev/null
        cp /etc/pam.d/common-session /etc/pam.d/common-session_backup > /dev/null
        cp /etc/pam.d/sudo /etc/pam.d/sudo_backup > /dev/null
        
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Rotina de Backup executada com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao fazer o Backup. {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
        
}

_NOME_DOMINIO () {
        #Entrada do nome do dominio ao qual deseja engreçar.
        read -p "Entre com o nome do Domínio:" var1
        dominio=$(echo $var1 | tr a-z A-Z)
        read -p "Entre com o seu KDC (key Distribution Center):" var2
        kdc=$(echo $var2 | tr A-Z a-z)
        
}

_KRB5 () {
   echo "[libdefaults]
         default_realm = $dominio

# The following krb5.conf variables are only for MIT Kerberos.
      krb4_config = /etc/krb.conf
      krb4_realms = /etc/krb.realms
      kdc_timesync = 1 
      ccache_type = 4 
           forwardable = true
           proxiable = true

# The following libdefaults parameters are only for Heimdal Kerberos.
           v4_instance_resolve = false
           v4_name_convert = { 
                   host = { 
                           rcmd = host
                           ftp = ftp 
                   }   
                   plain = { 
                           something = something-else
                   }   
           }   
           fcc-mit-ticketflags = true

   [realms]
           $dominio = { 
                   kdc = $kdc
                   #kdc = $kdc2
                   #kdc = $kdc3
                   admin_server = $kdc
           }   
            
   [domain_realm]
           .$var1 = $kdc

   [login]
           krb4_convert = true
           krb4_get_tickets = false" > /etc/krb5.conf

   echo "Configuração alterada com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
}

_TESTEAD () {
   read -p "Entre com um usuário para testar sua conexão com o Active Directory:" user
   kinit $user@$dominio
   
   check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Sua máquina conectou com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao se conectar com o Active Directory {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
   
}

_SMB () {
   
   maquina=$(hostname)
   echo "# Sample configuration file for the Samba suite for Debian GNU/Linux.
   #======================= Global Settings =======================
   [global]
   #
   # Browsing/Identification ###
           workgroup = $var1
           netbios name = $maquina
           realm = $var1
   # server string is the equivalent of the NT Description field
      server string = %h Server
   # WINS Support - Tells the NMBD component of Samba to enable its WINS Server
   #   wins support = no
   # WINS Server - Tells the NMBD components of Samba to be a WINS Client
      ;   wins server = w.x.y.z
   # This will prevent nmbd to search for NetBIOS names through DNS.
      dns proxy = no
   # What naming service and in what order should we use to resolve host names
   # to IP addresses
      ;   name resolve order = lmhosts host wins bcast
   #### Networking ####
   # The specific set of interfaces / networks to bind to
      ;   interfaces = 127.0.0.0/8 eth0
   # Only bind to the named interfaces and/or networks; 
      ;   bind interfaces only = yes
   #
   #### Debugging/Accounting ####
   # This tells Samba to use a separate log file for each machine
   # that connects
      log file = /var/log/samba/log.%m
   # Cap the size of the individual log files (in KiB).
      max log size = 1000
   # We want Samba to log a minimum amount of information to syslog.
      syslog = 0
   # Do something sensible when Samba crashes: mail the admin a backtrace
      panic action = /usr/share/samba/panic-action %d
   
   ####### Authentication #######
      security = ADS
      password server = $kdc
   # You may wish to use password encryption.  See the section on
   # 'encrypt passwords' in the smb.conf(5) manpage before enabling.
      encrypt passwords = true
   # If you are using encrypted passwords, Samba will need to know what
   # password database type you are using.  
      passdb backend = tdbsam
      obey pam restrictions = yes
   # This boolean parameter controls whether Samba attempts to sync the Unix
   # password with the SMB password when the encrypted SMB password in the
   # passdb is changed.
      unix password sync = yes
   # For Unix password sync to work on a Debian GNU/Linux system,
      passwd program = /usr/bin/passwd %u
      passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
   # This boolean controls whether PAM will be used for password changes
   # when requested by an SMB client instead of the program listed in
   # 'passwd program'. The default is 'no'.
      pam password change = yes
   ########## Domains ###########
   # Is this machine able to authenticate users. Both PDC and BDC
   # must have this setting enabled. If you are the BDC you must
   # change the 'domain master' setting to no
   #
      ;   domain logons = yes
   # The following required a [profiles] share to be setup on the
   # samba server (see below)
      ;   logon path = \\%N\profiles\%U
   # The following setting only takes effect if 'domain logons' is set
   # It specifies the location of a user's home directory (from the client
   # point of view)
      ;   logon drive = H:
   # The following setting only takes effect if 'domain logons' is set
   # It specifies the script to run during logon.
      ;   logon script = logon.cmd
   # This allows Unix users to be created on the domain controller via the SAMR
   # RPC pipe.  
      ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u
   # The following assumes a "machines" group exists on the system
      ; add machine script  = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u
   # This allows Unix groups to be created on the domain controller via the SAMR
      ; add group script = /usr/sbin/addgroup --force-badname %g
   ########## Printing ##########
   # printcap file
      ;   printing = bsd
      ;   printcap name = /etc/printcap
   # CUPS printing.  See also the cupsaddsmb(8) manpage in the
   # cupsys-client package.
      ;   printing = cups
      ;   printcap name = cups
   ############ Misc ############

   # Using the following line enables you to customise your configuration
   # on a per machine basis.
      ;   include = /home/samba/etc/smb.conf.%m
   # The following parameter is useful only if you have the linpopup package installed.
      ;   message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' &
   # Domain Master specifies Samba to be the Domain Master Browser.
      idmap uid = 10000-20000
      winbind gid = 10000-20000
      winbind enum users = yes
      winbind enum groups = yes
      winbind use default domain = yes
      template homedir = /home/%D/%U
      template shell = /bin/bash
   # Maximum number of usershare. 0 (default) means that usershare is disabled.
      ;   usershare max shares = 100
   #======================= Share Definitions =======================

   [homes]
      comment = Home Directories
      browseable = no
   # By default, the home directories are exported read-only.
      read only = yes
   # File creation mask is set to 0700 for security reasons. 
      create mask = 0700
   # Directory creation mask is set to 0700 for security reasons.
      directory mask = 0700
   # This might need tweaking when using external authentication schemes
      valid users = %S
   # Un-comment the following and create the netlogon directory for Domain Logons
   # (you need to configure Samba to act as a domain controller too.)
      ;[netlogon]
         ;   comment = Network Logon Service
         ;   path = /home/samba/netlogon
         ;   guest ok = yes
         ;   read only = yes
         ;   share modes = no
   # The path below should be writable by all users so that their
   # profile directory may be created the first time they log on
      ;[profiles]
         ;   comment = Users profiles
         ;   path = /home/samba/profiles
         ;   guest ok = no
         ;   browseable = no
         ;   create mask = 0600
         ;   directory mask = 0700
   [printers]
      comment = All Printers
      browseable = no
      path = /var/spool/samba
      printable = yes
      guest ok = no
      read only = yes
      create mask = 0700

   # Windows clients look for this share name as a source of downloadable
   # printer drivers
   [print$]
      comment = Printer Drivers
      path = /var/lib/samba/printers
      browseable = yes
      read only = yes
      guest ok = no
   # Please note that you also need to set appropriate Unix permissions
   # to the drivers directory for these users to have write rights in it
      ;   write list = root, @lpadmin
   # A sample share for sharing your CD-ROM with others.
      ;[cdrom]
         ;   comment = Samba server's CD-ROM
         ;   read only = yes
         ;   locking = no
         ;   path = /cdrom
         ;   guest ok = yes
   # If you don't want to use auto-mounting/unmounting make sure the CD
   #       is mounted on /cdrom
      ;   preexec = /bin/mount /cdrom
      ;   postexec = /bin/umount /cdrom" > /etc/samba/smb.conf

   echo "Configuração alterada com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
}

_FUNC_RESTART() {
        # Stop Winbind
        /etc/init.d/winbind stop > /dev/null
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Winbind Stop! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao parar o Winbind {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
        # Restart Samba
        /etc/init.d/samba restart > /dev/null
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Samba restart com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha no restart do Samba! {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
        # Start Winbind
        /etc/init.d/winbind start > /dev/null
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Winbind start! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao fazer iniciar o Winbind! {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
}

_ADDDOMINIO () {

   azul="{FONTE}33[0;34m"
   echo "++++++++++++++++++++++++++++++++++++++++++++"
   echo "++  {FONTE}33[0;34m Adicionando a Máquina no Domínio {FONTE}33[0m    ++"
   echo "++++++++++++++++++++++++++++++++++++++++++++"
        # Adicionando a máquina ao domínio
        read -p "Entre com um usuário administrador de Domínio:" user   
   net ads join -U $user; 
        check=$(echo $?)
        clear
        # Validação da conexão com o domínio
        if [ $check -eq 0 ]; then
      echo "Sua máquina foi adicionada no Domínio! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao adicionar a máquina no Domínio {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
   
}

_TESTDOMINIO () {
        # Teste de requisição ao dominio
        wbinfo -t > /dev/null
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Teste de Domínio! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao testar o Domínio {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
}

_FUNCAUTENTICACAO () {
        # Configurando o arquivo nsswitch.conf
        echo "passwd:         compat winbind
              group:          compat winbind
              shadow:         compat" > /etc/nsswitch.conf

        # Teste de configuração do Winbind        
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "Winbind testado com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao testar o Winbind {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi
        # PAM - common-account
        echo "account sufficient       pam_winbind.so
              account required         pam_unix.so" > /etc/pam.d/common-account
        # PAM - common-auth 
        echo "auth sufficient pam_winbind.so
              auth sufficient pam_unix.so nullok_secure use_first_pass
              auth required   pam_deny.so" > /etc/pam.d/common-auth
        # PAM - common-session       
        echo "session required pam_unix.so
              session required pam_mkhomedir.so umask=0022 skel=/etc/skel" > /etc/pam.d/common-session
        # PAM - sudo
        echo "auth sufficient pam_winbind.so
              auth sufficient pam_unix.so use_first_pass
              auth required   pam_deny.so
              @include common-account" > /etc/pam.d/sudo
        # Teste de configuração do PAM
        check=$(echo $?)
   if [ $check -eq 0 ]; then
      echo "PAM configurado com sucesso! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
   else
      echo "Falha ao configurar o PAM {FONTE}33[0;31m [fail]  {FONTE}33[0m "
   fi

}

_FUNC_HOMEDIR () {
        HOME_DIR=$var1
        if [ -d /home/$HOME_DIR ]; then
                echo "Já existe este diretório !"                
        else
                echo "Este diretório não existe !"
                echo "Criando o diretório $HOME_DIR"
      mkdir /home/$var1
                sleep 2
        fi
}

_FUNC_DEL_MAQ_DOMINIO () {
   
   maquina=$(hostname)
        azul="{FONTE}33[0;34m"
        echo "++++++++++++++++++++++++++++++++++++++++++++"
        echo "++  {FONTE}33[0;34m Removendo a Máquina no Domínio {FONTE}33[0m ++"
        echo "++++++++++++++++++++++++++++++++++++++++++++"
      
        # Remover a máquina ao domínio
        read -p "Entre com um usuário administrador de Domínio:" user
   net ads status -U $user
   check1=$(echo $?)
   clear
   # Validação se a máquina está no domínio
   if [ $check1 -eq 255 ]; then
      echo "A máquina $maquina não está no dominio"
   else
      # Validação de remoção de máquina do domínio
      net ads leave -U $user;
      check=$(echo $?)
      clear
      if [ $check -eq 0 ]; then
         echo "Sua máquina foi removida do Domínio! {FONTE}33[0;32m [Ok]  {FONTE}33[0m "
      else
         echo "Falha ao remover a máquina no Domínio {FONTE}33[0;31m [fail]  {FONTE}33[0m "
      fi
   fi

}


# =============================================================================
# Menu de seleção 
echo "Linux Active Directory:"
echo "(1) Adicionar Máquina no Domínio"
echo "(2) Remover Máquina do Domínio"
echo "(3) Verificar conexão com o Domínio"
echo "(0) Sair"

echo "Digite a opção desejada:"
read resposta

case "$resposta" in
        1)  
      _HEAD
      _PACOTES
      _HORA
      _BACKUP_ORIG
        _NOME_DOMINIO
      _KRB5
      _TESTEAD
      _SMB
      _FUNC_RESTART
      _ADDDOMINIO
      _TESTDOMINIO
      _FUNCAUTENTICACAO
      _FUNC_RESTART
      azul="{FONTE}33[0;34m"
      echo "++++++++++++++++++++++++++++++++++++++++++++"
      echo "++  {FONTE}33[0;34m Bem vindo ao dominio $dominio {FONTE}33[0m           ++"
      echo "++++++++++++++++++++++++++++++++++++++++++++"
 
                ;;  
        2)  
                _FUNC_DEL_MAQ_DOMINIO
                ;;  
        3)  
                _TESTDOMINIO
                ;;  
        0)  
                exit
                ;;  
        *)  
                echo 'Opção Inválida!'
esac

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