vm_hosted

   1 #!/bin/sh
   2 set -e -f ${DRY_RUN:+-n} -u
   3 tool=${0%/*}
   4 . "$tool"/lib/functions.sh
   5 . "$tool"/etc/vm.sh
   6
   7 rule_help () {
   8         cat >&2 <<-EOF
   9                 DESCRIPTION: ce script regroupe des fonctions utilitaires
  10                              pour gérer la VM _depuis_ la VM hébergée ;
  11                              il sert à la fois d'outil et de documentation.
  12                              Voir \`$tool/vm_host' pour les utilitaires côté machine hôte.
  13                 SYNTAX: $0 \$RULE \${RULE}_SYNTAX
  14                 RULES:
  15                 $(sed -ne 's/^rule_\([^_][^ ]*\) () {\( *#.*\|\)/\t\1\2/p' "$tool"/vm.sh "$0")
  16                 ENVIRONMENT:
  17                   TRACE # affiche les commandes avant leur exécution
  18                 $(sed -ne 's/^readonly \([^ ][^ =]*\).*}\( *#.*\|\)$/\t$\1\2/p' "$tool"/vm.sh "$0")
  19                 EOF
  20  }
  21
  22 rule_git_reset () {
  23         (
  24         cd "$tool"
  25         git checkout -f -B master origin
  26         git clean -f -d -x
  27         )
  28  }
  29
  30 rule_chrooted () {
  31         export LANG=C
  32         export LC_CTYPE=C
  33         . /etc/profile
  34  }
  35
  36 rule__etckeeper_init () {
  37         mk_reg mod=644 own=root:root /etc/etckeeper/etckeeper.conf <<-EOF
  38                 VCS=git
  39                 GIT_COMMIT_OPTIONS=""
  40                 AVOID_DAILY_AUTOCOMMITS=1
  41                 #AVOID_SPECIAL_FILE_WARNING=1
  42                 AVOID_COMMIT_BEFORE_INSTALL=1
  43                 HIGHLEVEL_PACKAGE_MANAGER=apt
  44                 LOWLEVEL_PACKAGE_MANAGER=dpkg
  45                 EOF
  46  }
  47 rule__locale_init () {
  48         mk_reg mod=644 own=root:root /etc/locale.gen <<-EOF
  49                 fr_FR.UTF-8 UTF-8
  50                 EOF
  51         sudo update-locale
  52  }
  53 rule__network_init () {
  54         mk_reg mod= own= /etc/hostname <<-EOF
  55                 $vm
  56                 EOF
  57         grep -q " $vm\$" /etc/hosts ||
  58         mk_reg mod= own= --append /etc/hosts <<-EOF
  59                 127.0.0.1 $vm_fqdn $vm
  60                 EOF
  61         mk_reg mod= own= /etc/network/interfaces <<-EOF
  62                 auto lo
  63                 iface lo inet loopback
  64
  65                 auto eth0=grenode
  66                 iface grenode inet static
  67                     address   $vm_ipv4
  68                     gateway   $vm_ipv4 # NOTE: proxy_arp sur la passerelle permet d'utiliser la même adresse
  69                     network   $vm_ipv4
  70                     broadcast $vm_ipv4
  71                     netmask   255.255.255.255
  72                     #mtu 1300
  73                     post-up   ip address add    $vm_ipv4/32 dev \$IFACE
  74                     pre-down  ip address delete $vm_ipv4/32 dev \$IFACE
  75                 EOF
  76  }
  77 rule__apt_init () {
  78         mk_reg mod= own= /etc/apt/sources.list <<-EOF
  79                 deb http://ftp.fr.debian.org/debian $vm_lsb_name main contrib non-free
  80                 EOF
  81         mk_reg mod= own= /etc/apt/sources.list.d/$vm_lsb_name-backports.list <<-EOF
  82                 #deb http://backports.debian.org/debian-backports $vm_lsb_name-backports main contrib non-free
  83                 EOF
  84         mk_reg mod= own= /etc/apt/preferences <<-EOF
  85                 Package: *
  86                 Pin: release a=$vm_lsb_name
  87                 Pin-Priority: 170
  88
  89                 Package: *
  90                 Pin: release a=$vm_lsb_name-backports
  91                 Pin-Priority: 200
  92                 EOF
  93         mk_reg mod= own= /etc/apt/sources.list.d/openerp.list <<-EOF
  94                 deb http://nightly.openerp.com/trunk/nightly/deb/ ./
  95                 EOF
  96  }
  97 rule__filesystem_init () {
  98         mk_reg mod=644 own=root:root /etc/fstab <<-EOF
  99                 # <file system> <mount point> <type> <options> <dump> <pass>
 100                 LABEL=${vm_lvm_lv}_boot /boot ext2 defaults 0 0
 101                 proc /proc proc defaults 0 0
 102                 sysfs /sys sysfs defaults 0 0
 103                 tmpfs /tmp tmpfs rw,nosuid,nodev,auto,size=200m,nr_inodes=1000k,mode=1777,noatime,nodiratime 0 0
 104                 /dev/mapper/${vm_lvm_lv}_root_deciphered /     ext4 defaults,errors=remount-ro,acl,noatime 0 1
 105                 /dev/mapper/${vm_lvm_lv}_var_deciphered  /var  ext4 defaults,errors=remount-ro,acl,noatime 0 1
 106                 /dev/mapper/${vm_lvm_lv}_home_deciphered /home ext4 defaults,errors=remount-ro,acl,noatime,usrquota,grpquota 0 0
 107                 /dev/mapper/${vm_lvm_lv}_swap_deciphered swap swap sw 0 0
 108                 EOF
 109         mk_reg mod=644 own=root:root /etc/crypttab <<-EOF
 110                 # <target name> <source device> <key file> <options>
 111                 ${vm_lvm_lv}_root_deciphered /dev/$vm_lvm_vg/${vm_lvm_lv}_root none                         luks,lvm=$vm_lvm_vg
 112                 ${vm_lvm_lv}_var_deciphered  /dev/$vm_lvm_vg/${vm_lvm_lv}_var  ${vm_lvm_lv}_root_deciphered luks,lvm=$vm_lvm_vg,keyscript=/lib/cryptsetup/scripts/decrypt_derived
 113                 ${vm_lvm_lv}_home_deciphered /dev/$vm_lvm_vg/${vm_lvm_lv}_home ${vm_lvm_lv}_root_deciphered luks,lvm=$vm_lvm_vg,keyscript=/lib/cryptsetup/scripts/decrypt_derived
 114                 ${vm_lvm_lv}_swap_deciphered /dev/$vm_lvm_vg/${vm_lvm_lv}_swap ${vm_lvm_lv}_root_deciphered luks,lvm=$vm_lvm_vg,keyscript=/lib/cryptsetup/scripts/decrypt_derived
 115                 EOF
 116         mk_reg mod=644 own=root:root /etc/sysctl.d/local-swap.conf <<-EOF
 117                 vm.swappiness = 10 # NOTE: n'utilise le swap qu'en cas d'absolue nécessité
 118                 vm.vfs_cache_pressure=50
 119                 EOF
 120  }
 121 rule__login_init () {
 122         grep -q hvc0 /etc/securetty ||
 123         mk_reg mod= own= --append /etc/securetty <<-EOF
 124                 hvc0
 125                 EOF
 126         grep -q xvc0 /etc/securetty ||
 127         mk_reg mod= own= --append /etc/securetty <<-EOF
 128                 xvc0
 129                 EOF
 130         mk_reg mod=644 own=root:root /etc/inittab <<-EOF
 131                 # /etc/inittab: init(8) configuration.
 132
 133                 # The default runlevel.
 134                 id:2:initdefault:
 135
 136                 # Boot-time system configuration/initialization script.
 137                 # This is run first except when booting in emergency (-b) mode.
 138                 si::sysinit:/etc/init.d/rcS
 139
 140                 # What to do in single-user mode.
 141                 ~~:S:wait:/sbin/sulogin
 142
 143                 # /etc/init.d executes the S and K scripts upon change
 144                 # of runlevel.
 145                 #
 146                 # Runlevel 0 is halt.
 147                 # Runlevel 1 is single-user.
 148                 # Runlevels 2-5 are multi-user.
 149                 # Runlevel 6 is reboot.
 150
 151                 l0:0:wait:/etc/init.d/rc 0
 152                 l1:1:wait:/etc/init.d/rc 1
 153                 l2:2:wait:/etc/init.d/rc 2
 154                 l3:3:wait:/etc/init.d/rc 3
 155                 l4:4:wait:/etc/init.d/rc 4
 156                 l5:5:wait:/etc/init.d/rc 5
 157                 l6:6:wait:/etc/init.d/rc 6
 158                 # Normally not reached, but fallthrough in case of emergency.
 159                 z6:6:respawn:/sbin/sulogin
 160
 161                 # What to do when CTRL-ALT-DEL is pressed.
 162                 ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now
 163
 164                 # What to do when the power fails/returns.
 165                 pf::powerwait:/etc/init.d/powerfail start
 166                 pn::powerfailnow:/etc/init.d/powerfail now
 167                 po::powerokwait:/etc/init.d/powerfail stop
 168
 169                 # Xen hypervisor console
 170                 hvc:2345:respawn:/sbin/getty 38400 hvc0
 171                 #xvc:2345:respawn:/sbin/getty 38400 xvc0
 172                 EOF
 173         mk_reg mod=644 own=root:root /etc/login.defs <<-EOF
 174                 MAIL_DIR         /var/mail
 175                 FAILLOG_ENAB     yes
 176                 LOG_UNKFAIL_ENAB no
 177                 LOG_OK_LOGINS    no
 178                 SYSLOG_SU_ENAB   yes
 179                 SYSLOG_SG_ENAB   yes
 180                 FTMP_FILE        /var/log/btmp
 181                 SU_NAME          su
 182                 HUSHLOGIN_FILE   .hushlogin
 183                 ENV_SUPATH       PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 184                 ENV_PATH         PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
 185                  # NOTE: met les sbin/ dans ENV_PATH ;
 186                  #  - ça n'apporte aucune protection de ne pas les mettre ;
 187                  #  - ça frustre de ne pas les trouver.
 188                 TTYGROUP         tty
 189                 TTYPERM          0600
 190                 ERASECHAR        0177
 191                 KILLCHAR         025
 192                 UMASK            007
 193                  # NOTE: rwxrwx--- ;
 194                  #  - donne une même confiance au groupe propriétaire qu'au propriétaire ;
 195                  #  - facilite l'utilisation des ACL, qui sont dépendantes des droits du groupe propriétaire.
 196                 PASS_MAX_DAYS    99999
 197                 PASS_MIN_DAYS    0
 198                 PASS_WARN_AGE    7
 199                 UID_MIN           1000
 200                 UID_MAX          60000
 201                 GID_MIN           1000
 202                 GID_MAX          60000
 203                 LOGIN_RETRIES    3
 204                 LOGIN_TIMEOUT    60
 205                 CHFN_RESTRICT    rwh
 206                 DEFAULT_HOME     yes
 207                 USERGROUPS_ENAB  yes
 208                 ENCRYPT_METHOD   SHA512
 209                 EOF
 210         grep -q '^session optional pam_umask.so\>' /etc/pam.d/common-session ||
 211         mk_reg mod= own= --append /etc/pam.d/common-session <<-EOF
 212                 session optional pam_umask.so
 213                 EOF
 214  }
 215 rule__user_root_init () {
 216         mk_dir mod=750 own=root:root /root/etc
 217         mk_dir mod=750 own=root:root /root/etc/ssh
 218         mk_dir mod=750 own=root:root /root/etc/gpg
 219         mk_lnk etc/gpg /root/.gnupg
 220         mk_lnk etc/ssh /root/.ssh
 221         getent group sudo |
 222         while test -n "$users" && IFS=: read -r group x x users
 223          do while IFS=, read -r user users <<-EOF
 224                         $users
 225                         EOF
 226                  do eval local home\; home="~$user"
 227                         cat "$home"/etc/ssh/authorized_keys
 228                  done
 229          done |
 230         mk_reg mod=640 own=root:root /root/etc/ssh/authorized_keys
 231         sudo find "$tool"/var/pub/openpgp -type f -name '*.key' -exec gpg --import {} \;
 232  }
 233 rule__initramfs_init () {
 234         mk_reg mod=644 own=root:root /etc/initramfs-tools/initramfs.conf <<-EOF
 235                 MODULES=most
 236                 BUSYBOX=y
 237                 KEYMAP=y
 238                 COMPRESS=gzip
 239                 DEVICE=eth0
 240                 EOF
 241         mk_reg mod=644 own=root:root /etc/modprobe.d/xen-pv.conf <<-EOF
 242                 alias eth0 xennet
 243                 alias scsi_hostadapter xenblk
 244                 EOF
 245         mk_reg mod=644 own=root:root /etc/modules <<-EOF
 246                 sha1_generic
 247                 sha256_generic
 248                 sha512_generic
 249                 aes-x86_64
 250                 xts
 251                 # NOTE: pour Xen en mode HVM :
 252                 #modprobe xen-platform-pci
 253                 EOF
 254         mk_reg mod=644 own=root:root /etc/initramfs-tools/modules <<-EOF
 255                 EOF
 256         sudo sed -e '/^configure_networking /s/ &$//' \
 257          -i /usr/share/initramfs-tools/scripts/init-premount/dropbear
 258          # NOTE: corrige une vermine : dropbear doit attendre que le réseau soit configuré..
 259         sudo rm -f \
 260          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key \
 261          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key.pub \
 262          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key \
 263          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key.pub
 264         ssh-keygen -F "init.$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 265         ( while IFS= read -r line
 266          do case $line in (*" RSA") return 0; break;; esac
 267          done; return 1 ) ||
 268         sudo dropbearkey -t rsa -s 4096 -f \
 269          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key
 270         ssh-keygen -F "init.$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 271         ( while IFS= read -r line
 272          do case $line in (*" DSA") return 0; break;; esac
 273          done; return 1 ) ||
 274         sudo dropbearkey -t dss -s 1024 -f \
 275          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key
 276         mk_dir mod=640 own=root:root \
 277          /etc/initramfs-tools/root \
 278          /etc/initramfs-tools/root/.ssh
 279         getent group sudo |
 280         while IFS=: read -r group x x users
 281          do while test -n "$users" && IFS=, read -r user users <<-EOF
 282                         $users
 283                         EOF
 284                  do eval local home\; home="~$user"
 285                         cat "$home"/etc/ssh/authorized_keys
 286                  done
 287          done |
 288         mk_reg mod=644 own=root:root /etc/initramfs-tools/root/.ssh/authorized_keys
 289         sudo rm -f \
 290          /etc/initramfs-tools/root/.ssh/id_rsa.dropbear \
 291          /etc/initramfs-tools/root/.ssh/id_rsa.pub \
 292          /etc/initramfs-tools/root/.ssh/id_rsa
 293          # NOTE: clefs générées par Debian
 294         sudo update-initramfs -u
 295  }
 296 rule__boot_init () {
 297         sudo apt-get install --reinstall grub-pc # XXX: attention à n'installer GRUB sur AUCUN disque proposé !
 298         mk_dir mod=644 own=root:root /boot/grub
 299         sudo apt-get install --reinstall linux-image-$vm_arch
 300         mk_reg mod=644 own=root:root /etc/default/grub <<-EOF
 301                 GRUB_DEFAULT=0
 302                 GRUB_TIMEOUT=5
 303                 GRUB_DISTRIBUTOR=\`lsb_release -i -s 2> /dev/null || echo Debian\`
 304                 GRUB_CMDLINE_LINUX_DEFAULT="quiet"
 305                 GRUB_CMDLINE_LINUX="vt.default_utf8=1 rootfstype=ext4 loglevel=5 console=hvc0 ip=$vm_ipv4::$vm_ipv4:255.255.255.254:$vm:eth0:off resume=/dev/mapper/${vm}_swap_deciphered"
 306                 GRUB_DISABLE_RECOVERY="true"
 307                 #GRUB_PRELOAD_MODULES="lvm"
 308                 EOF
 309         mk_reg mod=644 own=root:root /boot/grub/device.map <<-EOF
 310                 (hd0)   /dev/xvda
 311                 (hd0)   /dev/mapper/domU-$(printf %s $vm_fqdn-disk | sed -e 's/-/--/g')
 312                 EOF
 313         sudo update-grub2 # NOTE: prend en compte /boot/grub/device.map
 314         rule__initramfs_init
 315  }
 316 rule_apticron_init () {
 317         sudo apt-get install --reinstall apticron
 318         mk_reg mod=644 own=root:root /etc/default/grub <<-EOF
 319                 EMAIL="admin@heureux-cyclage.org"
 320                 # DIFF_ONLY="1"
 321                 # LISTCHANGES_PROFILE="apticron"
 322                 # ALL_FQDNS="1"
 323                 # SYSTEM="foobar.example.com"
 324                 # IPADDRESSNUM="1"
 325                 # IPADDRESSES="192.0.2.1 2001:db8:1:2:3::1"
 326                 # NOTIFY_HOLDS="0"
 327                 # NOTIFY_NEW="0"
 328                 # NOTIFY_NO_UPDATES="0"
 329                 # CUSTOM_SUBJECT=""
 330                 # CUSTOM_NO_UPDATES_SUBJECT=""
 331                 # CUSTOM_FROM="root@ateliers.heureux-cyclage.org"
 332                 EOF
 333         sudo service apticron restart
 334  }
 335 rule__bin_init () {
 336         mk_lnk "$tool"/vm_hosted /usr/local/sbin/
 337  }
 338 rule_init () {
 339         rule__etckeeper_init
 340         rule__locale_init
 341         rule__network_init
 342         rule__apt_init
 343         rule__filesystem_init
 344         rule__login_init
 345         rule__user_root_init
 346         rule__boot_init
 347         rule__bin_init
 348  }
 349
 350 rule_disk_key_change () {
 351         sudo cryptsetup luksChangeKey /dev/$vm_lvm_vg/${vm_lvm_lv}_root
 352  }
 353
 354 rule_user_init () {
 355         mk_dir mod=750 own="root:adm" /etc/skel/etc
 356         mk_dir mod=770 own="root:adm" /etc/skel/etc/apache2
 357         mk_dir mod=770 own="root:adm" /etc/skel/etc/ssh
 358         mk_dir mod=700 own="root:adm" /etc/skel/var
 359         mk_dir mod=700 own="root:adm" /etc/skel/var/log
 360         mk_dir mod=700 own="root:adm" /etc/skel/var/cache
 361         mk_dir mod=700 own="root:adm" /etc/skel/var/cache/ssh
 362         mk_dir mod=700 own="root:adm" /etc/skel/tmp
 363         mk_dir mod=700 own="root:adm" /etc/skel/tmp
 364         mk_lnk etc/ssh                /etc/skel/.ssh
 365         mk_lnk etc/gpg                /etc/skel/.gnupg
 366         ssh-keygen -F "$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 367         ( while IFS= read -r line
 368          do case $line in (*" RSA") return 0; break;; esac
 369          done; return 1 ) ||
 370         sudo ssh-keygen -t rsa -b 4096 -N '' -f /etc/ssh/ssh_host_rsa_key
 371         sudo rm -f \
 372          /etc/ssh/ssh_host_dsa_key \
 373          /etc/ssh/ssh_host_dsa_key.pub \
 374          /etc/ssh/ssh_host_ecdsa_key \
 375          /etc/ssh/ssh_host_ecdsa_key.pub
 376          # NOTE: clefs générées par Debian
 377         mk_reg mod=664 own=root:root  /etc/ssh/sshd_config <<-EOF
 378                 Port 22
 379                 ListenAddress $vm_ipv4
 380                 #ListenAddress ::
 381                 Protocol 2
 382                 Compression yes
 383                 HostKey /etc/ssh/ssh_host_rsa_key
 384                 UsePrivilegeSeparation yes
 385                 KeyRegenerationInterval 3600
 386                 ServerKeyBits 768
 387                 SyslogFacility AUTH
 388                 LogLevel INFO
 389                 LoginGraceTime 120
 390                 PermitRootLogin yes
 391                 StrictModes yes
 392                 RSAAuthentication yes
 393                 PubkeyAuthentication yes
 394                 AuthorizedKeysFile %h/etc/ssh/authorized_keys
 395                 IgnoreRhosts yes
 396                 RhostsRSAAuthentication no
 397                 HostbasedAuthentication no
 398                 IgnoreUserKnownHosts no
 399                 PermitEmptyPasswords no
 400                 ChallengeResponseAuthentication no
 401                 PasswordAuthentication no
 402                 KerberosAuthentication no
 403                 GSSAPIAuthentication no
 404                 X11Forwarding no
 405                 X11DisplayOffset 10
 406                 PrintMotd no
 407                 DebianBanner no
 408                 PrintLastLog yes
 409                 TCPKeepAlive yes
 410                 ClientAliveInterval 0
 411                 AcceptEnv LANG LC_*
 412                 Subsystem sftp /usr/lib/openssh/sftp-server
 413                 UsePAM yes
 414                 EOF
 415         sudo service ssh restart
 416         mk_reg mod=440 own=root:root /etc/sudoers.d/passwd-init <<-EOF
 417                 %sudo ALL=(ALL) NOPASSWD: /bin/sh -e -f -u -c \\
 418                   case \$(/usr/bin/passwd --status "\$SUDO_USER") in \\
 419                     ("\$SUDO_USER L "*) /usr/bin/passwd \$SUDO_USER;; esac
 420                 EOF
 421         mk_reg mod=440 own=root:root /etc/sudoers.d/etckeeper-unclean <<-EOF
 422                 %sudo ALL=(ALL) NOPASSWD: /usr/sbin/etckeeper unclean
 423                 EOF
 424         mk_reg mod=440 own=root:root /etc/sudoers.d/env_keep <<-EOF
 425                 Defaults env_keep = " \\
 426                   EDITOR \\
 427                   GIT_AUTHOR_NAME \\
 428                   GIT_AUTHOR_EMAIL \\
 429                   GIT_COMMITTER_NAME \\
 430                   GIT_COMMITTER_EMAIL \\
 431                  "
 432                 EOF
 433         mk_reg mod=555 own=root:root /usr/local/sbin/passwd-init <<-EOF
 434                 #!/bin/sh
 435                 sudo /bin/sh -e -f -u -c \
 436                   'case \$(/usr/bin/passwd --status "\$SUDO_USER") in ("\$SUDO_USER L "*) /usr/bin/passwd \$SUDO_USER;; esac'
 437                 EOF
 438  }
 439 rule_user_admin_add () { # SYNTAX: $user
 440         local user=$1
 441         id "$user" >/dev/null ||
 442         sudo adduser --disabled-password "$user"
 443                 # NOTE: le mot-de-passe doit être initialisé par l'utilisateur à l'aide de passwd-init .
 444         eval local home\; home="~$user"
 445         sudo adduser "$user" sudo
 446         mk_reg mod=640 own=$user:$user "$home"/etc/ssh/authorized_keys \
 447          <"$tool"/var/pub/ssh/"$user".key
 448         rule__initramfs_init
 449         rule__user_root_init
 450         sudo -u "$user" find "$tool"/var/pub/openpgp \
 451          -type f -name '*.key' -exec gpg --import {} \;
 452  }
 453 rule_user_mail_format () {
 454         mk_dir mod=770 own=root:adm /etc/skel/etc/procmail
 455         mk_dir mod=770 own=root:adm /etc/skel/var/mail
 456         mk_dir mod=770 own=root:adm /etc/skel/var/cache/procmail
 457         mk_reg mod=660 own=root:adm /etc/skel/etc/procmail/delivery.rc <<-EOF
 458                 # vim: ft=procmail
 459
 460                 # NOTE: paramètres passés par postfix
 461                 SENDER=\$1
 462                 RECIPIENT=\$2
 463                 USER=\$3
 464                 EXTENSION=\$4
 465                 DOMAIN=\$5
 466                 ORIGINAL_RECIPIENT=\$6
 467
 468                 PATH="\$HOME/bin:/usr/local/bin:/usr/bin:/bin"
 469                 MAILDIR="\$HOME/var/mail/"
 470                 DEFAULT="\$MAILDIR"
 471                 #LOGFILE=`cd="\$HOME/var/log/procmail/" d=\$(date +"%Y-%m-%d"); ln -fns "\$d.log" "\$cd/current.log"; printf %s "\$cd/\$d.log"`
 472                 LOGFILE="/dev/null"
 473                 LOGABSTRACT=all
 474                 LOGABSTRACT
 475                 VERBOSE
 476                 SHELL=/bin/sh
 477                 SHELLMETAS=&|<>~;?*%{}
 478
 479                 # DESCRIPTION: supprime les doublons en fonction du champ Message-Id
 480                 #:0 Wh:            "\$HOME/var/cache/procmail/msgid\$LOCKEXT"
 481                 #| formail -D 8192 "\$HOME/var/cache/procmail/msgid"
 482
 483                 # DESCRIPTION: fait suivre à l'adresse configurée dans /etc/passwd ; on peut aussi utiliser ~/.forward
 484                 EMAIL=`sed /etc/passwd -ne "/^\$USER:/s/[^:]*:[^:]*:[^:]*:[^:]*:[^,]*,[^,]*,[^,]*,[^,]*,\([^:]*\):.*/\1/p"`
 485                  # NOTE: récupère l’adresse courriel dans le champ GECOS
 486                 FROM_=`formail -c -x "From " | sed -e 's/^\s*\([^ \t]*\).*/\1/g'`
 487                  # NOTE: récupère l’expéditeur inscrit sur l’enveloppe
 488                 :0
 489                 | \$SENDMAIL -i -bm -f "\$FROM_" "\${EMAIL/@/\${EXTENSION:++\${EXTENSION}}@}"
 490
 491                 # DESCRIPTION: IMAP
 492                 #:0
 493                 #| /usr/lib/dovecot/deliver -f "\$SENDER" -a "\$RECIPIENT"
 494
 495                 # DESCRIPTION: UUCP
 496                 #:0
 497                 #| /usr/bin/uux \
 498                 # -I "\$HOME/etc/uucp/uucp.cfg" \
 499                 # --nouucico \
 500                 # --notification=error \
 501                 # --requestor "\$USER" \
 502                 # - "\$USER!rmail" "(\$USER)"
 503                 EOF
 504         mk_reg mod=664 own=root:root /etc/postfix/main.cf <<-EOF
 505                 # /etc/postfix/main.cf
 506                 # SEE: http://postfix.traduc.org/index.php/TLS_README.html
 507
 508                 parent_domain_matches_subdomains =
 509                         #debug_peer_list
 510                         #fast_flush_domains
 511                         #mynetworks
 512                         #permit_mx_backup_networks
 513                         #qmqpd_authorized_clients
 514                         #smtpd_access_maps
 515                 mydomain                         = $vm_domainname
 516                 myorigin                         = \$mydomain
 517                 myhostname                       = $vm_hostname.\$mydomain
 518                 mail_name                        = \$myhostname
 519                 mydestination                    =
 520                         $vm_hostname
 521                         \$myhostname
 522                         \$myorigin
 523                 mynetworks                       =
 524                         127.0.0.0/8
 525                         #[::1]/128
 526                 inet_protocols = ipv4
 527                         # "all" to activate IPv6
 528                 inet_interfaces                  = all
 529                 permit_mx_backup_networks        =
 530
 531                 alias_database         =
 532                         hash:/etc/aliases
 533                         # NOTE: fichier de hash contenant une table d’alias mail.
 534                         #       Celle-ci est éditable dans /etc/aliases, puis (indispensable)
 535                         #       regénérée en hash grâce à la commande newaliases qui produit /etc/aliases.db
 536                 alias_maps             =
 537                         hash:/etc/aliases
 538                 recipient_delimiter    = +
 539                         # NOTE: séparateur entre le nom d’utilisateur
 540                         #       et les extensions d’adresse (par défaut le signe +).
 541                 #virtual_alias_domains  =
 542                 virtual_alias_maps     =
 543                         hash:/etc/postfix/\$mydomain/virtual
 544                         # NOTE: do not specify virtual alias domain names in  the  main.cf
 545                         #       mydestination or relay_domains configuration parameters.
 546                         #
 547                         # With  a  virtual  alias  domain,  the  Postfix SMTP server
 548                         # accepts  mail  for  known-user@virtual-alias.domain,   and
 549                         # rejects   mail  for  unknown-user@virtual-alias.domain  as
 550                         # undeliverable.
 551                 #relayhost              =
 552                 relay_clientcerts      =
 553                         hash:/etc/postfix/\$mydomain/smtpd/tls/relay_clientcerts
 554                 relay_domains          =
 555                         \$mydestination
 556                                 # NOTE: ajouter les domaines pour lesquels on est backup MX ici,
 557                                 #       pas dans mydestination ou virtual_alias...
 558
 559                 maximal_queue_lifetime = 5d
 560
 561                 header_checks        =
 562                         regexp:/etc/postfix/\$mydomain/header_checks
 563                 mime_header_checks   =
 564                 nested_header_checks =
 565                 milter_header_checks =
 566                 body_checks          =
 567
 568                 #content_filter               = amavisfeed:[127.0.0.1]:10024
 569                 #receive_override_options     = no_address_mappings
 570                         # no_unknown_recipient_checks
 571                         #         Do not try to reject unknown recipients (SMTP server only).
 572                         #         This is typically specified AFTER an external content filter.
 573                         # no_address_mappings
 574                         #         Disable canonical address mapping, virtual alias map expansion,
 575                         #         address masquerading, and automatic BCC (blind carbon-copy) recipients.
 576                         #         This is typically specified BEFORE an external content filter (eg. amavis).
 577                         # no_header_body_checks
 578                         #         Disable header/body_checks. This is typically specified AFTER an external content filter.
 579                         # no_milters
 580                         #         Disable Milter (mail filter) applications. This is typically specified AFTER an external content filter.
 581                 #local_header_rewrite_clients =
 582                 transport_maps                =
 583                         hash:/etc/postfix/\$mydomain/transport_maps
 584                 mailbox_command               =
 585                         /usr/bin/procmail -t -a "\$SENDER" -a "\$RECIPIENT" -a "\$USER" -a "\$EXTENSION" -a "\$DOMAIN" -a "\$ORIGINAL_RECIPIENT" "\$HOME/etc/procmail/delivery.rc"
 586                 mailbox_size_limit            = 0
 587                 biff                          = no
 588                         # Activer la notification en cas de réception de nouveaux e-mails dans la console (yes / no).
 589                 append_dot_mydomain           = no
 590                         # appending .domain is the MUA's job.
 591
 592                 #tls_random_source             =
 593                 #       dev:/dev/urandom
 594                         # Non-blocking
 595                 #tls_random_reseed_period      = 3600s
 596                 #tls_random_exchange_name      =
 597                 #       \${data_directory}/prng_exch
 598                         # NOTE: à ne pas mettre dans la cage chroot
 599                 #tls_random_bytes              = 32
 600                 #tls_random_prng_update_period = 3600s
 601                 #tls_high_cipherlist           = AES256-SHA
 602                         # NOTE: postconf(5) déconseille de changer ceci
 603
 604                 #smtp_cname_overrides_servername = no
 605                 smtp_connect_timeout            = 60s
 606                 #smtp_tls_CAfile                 = /etc/postfix/\$mydomain/smtp/tls/ca/crt.pem
 607                 #smtp_tls_CApath                 = /etc/postfix/\$mydomain/smtp/tls/ca/
 608                 #smtp_tls_cert_file              = /etc/postfix/\$mydomain/smtp/tls/crt.pem
 609                 #smtp_tls_key_file               = /etc/postfix/\$mydomain/smtp/tls/key.pem
 610                 #smtp_tls_per_site               = hash:/etc/postfix/\$mydomain/smtp/tls/per_site
 611                         # NOTE: déprécié en faveur de smtp_tls_policy_maps
 612                 smtp_tls_policy_maps            = hash:/etc/postfix/\$mydomain/smtp/tls/policy
 613                 smtp_tls_fingerprint_digest     = sha1
 614                 smtp_tls_scert_verifydepth      = 5
 615                 #smtp_tls_secure_cert_match      = nexthop, dot-nexthop
 616                 #smtp_tls_verify_cert_match      = hostname
 617                 #smtp_tls_note_starttls_offer    = yes
 618                 smtp_tls_loglevel               = 1
 619                 smtp_tls_protocols              = !SSLv2, !SSLv3
 620                         # Only allow TLSv*
 621                 smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
 622                 #smtp_tls_session_cache_timeout  = 3600s
 623                 smtp_tls_security_level         = may
 624                 smtp_header_checks              = regexp:/etc/postfix/\$mydomain/smtp/header_checks
 625                 smtp_body_checks                =
 626                 smtp_mime_header_checks         =
 627                 smtp_nested_header_checks       =
 628
 629                 smtpd_starttls_timeout                  = 300s
 630                 smtpd_banner                            =
 631                  \$myhostname ESMTP \$mail_name (Debian/GNU)
 632
 633                 # Restrictions
 634                 smtpd_helo_required             = yes
 635                 strict_rfc821_envelopes         = yes
 636                 smtpd_authorized_xclient_hosts  = 127.0.0.1
 637                         # NOTE: utile pour tester les restrictions
 638
 639                 smtpd_helo_restrictions         =
 640                         reject_invalid_helo_hostname
 641                         reject_non_fqdn_helo_hostname
 642                         #reject_unknown_helo_hostname
 643                                 # NOTE: pourrait pourtant être utile pour lutter contre le spam
 644                         permit
 645
 646                 smtpd_sender_restrictions       =
 647                         permit_mynetworks
 648                         permit_tls_clientcerts
 649                         permit_sasl_authenticated
 650                         check_sender_access hash:/etc/postfix/\$mydomain/smtpd/sender_access
 651                         check_sender_access hash:/etc/postfix/sender_blacklist
 652                         reject_unauth_pipelining
 653                         reject_non_fqdn_sender
 654                         #reject_unknown_sender_domain
 655                                 # NOTE: temporaire
 656                         permit
 657
 658                 smtpd_client_new_tls_session_rate_limit = 0
 659                 smtpd_client_event_limit_exceptions     = \$mynetworks
 660                 smtpd_client_recipient_rate_limit       = 0
 661                 smtpd_client_connection_count_limit     = 50
 662                 smtpd_client_connection_rate_limit      = 0
 663                 smtpd_client_message_rate_limit         = 0
 664                 smtpd_client_port_logging               = no
 665
 666                 smtpd_client_restrictions               =
 667                         check_client_access hash:/etc/postfix/client_blacklist
 668
 669                 policy_time_limit                       = 3600
 670                 default_extra_recipient_limit           = 5000
 671                 duplicate_filter_limit                  = 5000
 672                 smtpd_recipient_limit                   = 5000
 673                 smtpd_recipient_overshoot_limit         = 5000
 674                 smtpd_recipient_restrictions            =
 675                         reject_non_fqdn_recipient
 676                         #reject_invalid_hostname
 677                                 # NOTE: postfix < 2.3. voir reject_invalid_helo_hostname
 678                                 #       dans smtpd_helo_restrictions
 679                         reject_unknown_recipient_domain
 680                         #reject_non_fqdn_sender
 681                                 # NOTE: dans smtpd_sender_restrictions
 682                         reject_unauth_pipelining
 683                                 # NOTE: dans smtpd_client_restrictions ou smtpd_data_restrictions
 684                         permit_mynetworks
 685                         permit_tls_clientcerts
 686                         permit_sasl_authenticated
 687                         reject_unauth_destination
 688                                 # NOTE: ne pas passer par SPFCheck / Postgrey si le mail n'est pas pour nous
 689                                 #       ou quelqu'un pour lequel on tient lieu de backup_mx
 690                         check_policy_service inet:127.0.0.1:10023
 691                                 # NOTE: Postgrey (greylisting)
 692                         check_policy_service unix:private/spfcheck
 693                         permit_auth_destination
 694                                 # NOTE: une fois Postgrey passé, on accepte ce qui nous est destiné
 695                                 #       (voir permit_auth_destination) ; sans doute redondant
 696                         reject
 697                         #check_relay_domains <- removed from postfix
 698                         #reject_unknown_sender_domain
 699                                 # aurait probablement été mieux dans smtpd_sender_restrictions
 700                         #reject_rbl_client bl.spamcop.net
 701                         #reject_rbl_client list.dsbl.org
 702                         #reject_rbl_client zen.spamhaus.org
 703                         #reject_rbl_client dnsbl.sorbs.net
 704
 705                 smtpd_data_restrictions                 =
 706                         reject_unauth_pipelining
 707                                 # NOTE: obliger le serveur en face à attendre qu'on lui aie dit OK
 708                         permit
 709
 710                 #smtpd_end_of_data_restrictions          =
 711
 712                 #smtpd_restriction_classes               =
 713
 714                 smtpd_error_sleep_time                  = 5
 715                         # NOTE: forcer quelqu'un qui nous embête à attendre cinq secondes.
 716
 717                 # SASL
 718                 smtpd_sasl_auth_enable                  = yes
 719                 smtpd_sasl_type                         = dovecot
 720                 smtpd_sasl_path                         = private/auth
 721                 smtpd_sasl_security_options             = noanonymous
 722                 smtpd_sasl_domain                       = \$mydomain
 723
 724                 # SMTPD TLS
 725                 smtpd_discard_ehlo_keywords             = starttls
 726                         # NOTE: les clients mails tentant d'utiliser le chiffrement opportuniste
 727                         #       se mangent une erreur en tentant un starttls
 728                 smtpd_tls_fingerprint_digest            = sha1
 729                         # sha512 ?
 730                 smtpd_tls_mandatory_protocols           = TLSv1
 731                 smtpd_tls_mandatory_ciphers             = high
 732                 smtpd_tls_ciphers                       = high
 733                         # restrictif. s/high/medium/ ?
 734                 smtpd_tls_CAfile                        = /etc/postfix/\$mydomain/smtpd/tls/ca/crt+crl.slf.pem
 735                 smtpd_tls_CApath                        = /etc/postfix/\$mydomain/smtpd/tls/ca/
 736                 smtpd_tls_cert_file                     = /etc/postfix/\$mydomain/smtpd/tls/crt+crl.slf.pem
 737                 smtpd_tls_key_file                      = /etc/postfix/\$mydomain/smtpd/tls/key.pem
 738                 ##
 739                 #smtpd_tls_received_header               = no
 740                 smtpd_tls_session_cache_database        =
 741                         btree:/var/lib/postfix/smtpd_tls_session_cache
 742                 #smtpd_tls_session_cache_timeout         = 3600s
 743                 smtpd_tls_security_level                = may
 744                         # Postfix 2.3 and later
 745                         # encrypt
 746                         #  Mandatory TLS encryption: announce STARTTLS support to SMTP clients, and require that clients use TLS
 747                         #  encryption. According to [1720]RFC 2487 this MUST NOT be applied in case of a publicly-referenced
 748                         #  SMTP server. Instead, this option should be used only on dedicated servers.
 749                 smtpd_tls_loglevel                      = 1
 750                 smtpd_tls_ccert_verifydepth             = 5
 751                 smtpd_tls_auth_only                     = yes
 752                         # Pas d'AUTH SASL sans TLS
 753                 smtpd_tls_ask_ccert                     = no
 754                 smtpd_tls_req_ccert                     = no
 755                 #smtpd_tls_always_issue_session_ids      = yes
 756                 smtpd_peername_lookup                   = yes
 757                         # Nécessaire pour postgrey, etc
 758                 smtpd_milters                           =
 759                 non_smtpd_milters                       =
 760                 line_length_limit                       = 2048
 761                 queue_minfree                           = 0
 762                 message_size_limit                      = 20480000
 763                 #smtpd_enforce_tls    # NOTE: obsolète
 764                 #smtpd_use_tls        # NOTE: obsolète
 765                 #smtpd_tls_cipherlist # NOTE: obsolète
 766
 767                 readme_directory   = no
 768                 #delay_warning_time = 4h
 769                         # NOTE: uncomment the previous line to generate "delayed mail" warnings
 770                 #debug_peer_level   = 4
 771                 #debug_peer_list    = .\$myhostname
 772                 EOF
 773         mk_reg mod=664 own=root:root /etc/dovecot/dovecot.conf <<-EOF
 774                 auth_ssl_username_from_cert = yes
 775                 listen = *
 776                 log_timestamp = "%Y-%m-%d %H:%M:%S "
 777                 mail_debug = yes
 778                 mail_location = maildir:~/var/mail
 779                 mail_privileged_group = mail
 780                 passdb {
 781                   args = /home/%u/etc/dovecot/passwd
 782                   driver = passwd-file
 783                 }
 784                 protocols = imap
 785                 service auth {
 786                   unix_listener /var/spool/postfix/private/auth {
 787                     group = postfix
 788                     mode = 0660
 789                     user = postfix
 790                   }
 791                   user = root
 792                 }
 793                 ssl_ca = </etc/dovecot/imap/tls/crt+crl.slf.pem
 794                 ssl_cert = </etc/dovecot/imap/tls/crt+crl.slf.pem
 795                 ssl_cipher_list = AES256-SHA
 796                 ssl_key = </etc/dovecot/imap/tls/key.pem
 797                 ssl_verify_client_cert = yes
 798                 userdb {
 799                   driver = passwd
 800                 }
 801                 verbose_ssl = yes
 802                 protocol lda {
 803                   auth_socket_path = /var/run/dovecot/auth-master
 804                   hostname = $vm_domainname
 805                   info_log_path = /var/log/dovecot/lda/info.log
 806                   log_path = /var/log/dovecot/lda/error.log
 807                   mail_plugins = sieve
 808                   postmaster_address = contact+dovecot+lda@$vm_domainname
 809                 }
 810                 EOF
 811         mk_reg mod=664 own=root:root /etc/postgrey/whitelist_recipients.local <<-EOF
 812                 EOF
 813  }
 814 rule_mail_install () {
 815         sudo apt-get install postfix postgrey dovecot
 816  }
 817
 818 rule=${1:-help}
 819 ${1+shift}
 820 case $rule in
 821  (help);;
 822  (*)
 823         test "$(hostname --fqdn)" = "$vm_fqdn"
 824         ${TRACE:+set -x}
 825         ;;
 826  esac
 827 rule_$rule "$@"