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         find "$tool"/var/pub/openpgp \
 451          -type f -name '*.key' -exec \
 452          sudo -u "$user" gpg --import {} \;
 453  }
 454 rule_user_mail_format () {
 455         mk_dir mod=770 own=root:adm /etc/skel/etc/procmail
 456         mk_dir mod=770 own=root:adm /etc/skel/var/mail
 457         mk_dir mod=770 own=root:adm /etc/skel/var/cache/procmail
 458         mk_reg mod=660 own=root:adm /etc/skel/etc/procmail/delivery.rc <<-EOF
 459                 # vim: ft=procmail
 460
 461                 # NOTE: paramètres passés par postfix
 462                 SENDER=\$1
 463                 RECIPIENT=\$2
 464                 USER=\$3
 465                 EXTENSION=\$4
 466                 DOMAIN=\$5
 467                 ORIGINAL_RECIPIENT=\$6
 468
 469                 PATH="\$HOME/bin:/usr/local/bin:/usr/bin:/bin"
 470                 MAILDIR="\$HOME/var/mail/"
 471                 DEFAULT="\$MAILDIR"
 472                 #LOGFILE=`cd="\$HOME/var/log/procmail/" d=\$(date +"%Y-%m-%d"); ln -fns "\$d.log" "\$cd/current.log"; printf %s "\$cd/\$d.log"`
 473                 LOGFILE="/dev/null"
 474                 LOGABSTRACT=all
 475                 LOGABSTRACT
 476                 VERBOSE
 477                 SHELL=/bin/sh
 478                 SHELLMETAS=&|<>~;?*%{}
 479
 480                 # DESCRIPTION: supprime les doublons en fonction du champ Message-Id
 481                 #:0 Wh:            "\$HOME/var/cache/procmail/msgid\$LOCKEXT"
 482                 #| formail -D 8192 "\$HOME/var/cache/procmail/msgid"
 483
 484                 # DESCRIPTION: fait suivre à l'adresse configurée dans /etc/passwd ; on peut aussi utiliser ~/.forward
 485                 EMAIL=`sed /etc/passwd -ne "/^\$USER:/s/[^:]*:[^:]*:[^:]*:[^:]*:[^,]*,[^,]*,[^,]*,[^,]*,\([^:]*\):.*/\1/p"`
 486                  # NOTE: récupère l’adresse courriel dans le champ GECOS
 487                 FROM_=`formail -c -x "From " | sed -e 's/^\s*\([^ \t]*\).*/\1/g'`
 488                  # NOTE: récupère l’expéditeur inscrit sur l’enveloppe
 489                 :0
 490                 | \$SENDMAIL -i -bm -f "\$FROM_" "\${EMAIL/@/\${EXTENSION:++\${EXTENSION}}@}"
 491
 492                 # DESCRIPTION: IMAP
 493                 #:0
 494                 #| /usr/lib/dovecot/deliver -f "\$SENDER" -a "\$RECIPIENT"
 495
 496                 # DESCRIPTION: UUCP
 497                 #:0
 498                 #| /usr/bin/uux \
 499                 # -I "\$HOME/etc/uucp/uucp.cfg" \
 500                 # --nouucico \
 501                 # --notification=error \
 502                 # --requestor "\$USER" \
 503                 # - "\$USER!rmail" "(\$USER)"
 504                 EOF
 505         mk_reg mod=664 own=root:root /etc/postfix/main.cf <<-EOF
 506                 # /etc/postfix/main.cf
 507                 # SEE: http://postfix.traduc.org/index.php/TLS_README.html
 508
 509                 parent_domain_matches_subdomains =
 510                         #debug_peer_list
 511                         #fast_flush_domains
 512                         #mynetworks
 513                         #permit_mx_backup_networks
 514                         #qmqpd_authorized_clients
 515                         #smtpd_access_maps
 516                 mydomain                         = $vm_domainname
 517                 myorigin                         = \$mydomain
 518                 myhostname                       = $vm_hostname.\$mydomain
 519                 mail_name                        = \$myhostname
 520                 mydestination                    =
 521                         $vm_hostname
 522                         \$myhostname
 523                         \$myorigin
 524                 mynetworks                       =
 525                         127.0.0.0/8
 526                         #[::1]/128
 527                 inet_protocols = ipv4
 528                         # "all" to activate IPv6
 529                 inet_interfaces                  = all
 530                 permit_mx_backup_networks        =
 531
 532                 alias_database         =
 533                         hash:/etc/aliases
 534                         # NOTE: fichier de hash contenant une table d’alias mail.
 535                         #       Celle-ci est éditable dans /etc/aliases, puis (indispensable)
 536                         #       regénérée en hash grâce à la commande newaliases qui produit /etc/aliases.db
 537                 alias_maps             =
 538                         hash:/etc/aliases
 539                 recipient_delimiter    = +
 540                         # NOTE: séparateur entre le nom d’utilisateur
 541                         #       et les extensions d’adresse (par défaut le signe +).
 542                 #virtual_alias_domains  =
 543                 virtual_alias_maps     =
 544                         hash:/etc/postfix/\$mydomain/virtual
 545                         # NOTE: do not specify virtual alias domain names in  the  main.cf
 546                         #       mydestination or relay_domains configuration parameters.
 547                         #
 548                         # With  a  virtual  alias  domain,  the  Postfix SMTP server
 549                         # accepts  mail  for  known-user@virtual-alias.domain,   and
 550                         # rejects   mail  for  unknown-user@virtual-alias.domain  as
 551                         # undeliverable.
 552                 #relayhost              =
 553                 relay_clientcerts      =
 554                         hash:/etc/postfix/\$mydomain/smtpd/tls/relay_clientcerts
 555                 relay_domains          =
 556                         \$mydestination
 557                                 # NOTE: ajouter les domaines pour lesquels on est backup MX ici,
 558                                 #       pas dans mydestination ou virtual_alias...
 559
 560                 maximal_queue_lifetime = 5d
 561
 562                 header_checks        =
 563                         regexp:/etc/postfix/\$mydomain/header_checks
 564                 mime_header_checks   =
 565                 nested_header_checks =
 566                 milter_header_checks =
 567                 body_checks          =
 568
 569                 #content_filter               = amavisfeed:[127.0.0.1]:10024
 570                 #receive_override_options     = no_address_mappings
 571                         # no_unknown_recipient_checks
 572                         #         Do not try to reject unknown recipients (SMTP server only).
 573                         #         This is typically specified AFTER an external content filter.
 574                         # no_address_mappings
 575                         #         Disable canonical address mapping, virtual alias map expansion,
 576                         #         address masquerading, and automatic BCC (blind carbon-copy) recipients.
 577                         #         This is typically specified BEFORE an external content filter (eg. amavis).
 578                         # no_header_body_checks
 579                         #         Disable header/body_checks. This is typically specified AFTER an external content filter.
 580                         # no_milters
 581                         #         Disable Milter (mail filter) applications. This is typically specified AFTER an external content filter.
 582                 #local_header_rewrite_clients =
 583                 transport_maps                =
 584                         hash:/etc/postfix/\$mydomain/transport_maps
 585                 mailbox_command               =
 586                         /usr/bin/procmail -t -a "\$SENDER" -a "\$RECIPIENT" -a "\$USER" -a "\$EXTENSION" -a "\$DOMAIN" -a "\$ORIGINAL_RECIPIENT" "\$HOME/etc/procmail/delivery.rc"
 587                 mailbox_size_limit            = 0
 588                 biff                          = no
 589                         # Activer la notification en cas de réception de nouveaux e-mails dans la console (yes / no).
 590                 append_dot_mydomain           = no
 591                         # appending .domain is the MUA's job.
 592
 593                 #tls_random_source             =
 594                 #       dev:/dev/urandom
 595                         # Non-blocking
 596                 #tls_random_reseed_period      = 3600s
 597                 #tls_random_exchange_name      =
 598                 #       \${data_directory}/prng_exch
 599                         # NOTE: à ne pas mettre dans la cage chroot
 600                 #tls_random_bytes              = 32
 601                 #tls_random_prng_update_period = 3600s
 602                 #tls_high_cipherlist           = AES256-SHA
 603                         # NOTE: postconf(5) déconseille de changer ceci
 604
 605                 #smtp_cname_overrides_servername = no
 606                 smtp_connect_timeout            = 60s
 607                 #smtp_tls_CAfile                 = /etc/postfix/\$mydomain/smtp/tls/ca/crt.pem
 608                 #smtp_tls_CApath                 = /etc/postfix/\$mydomain/smtp/tls/ca/
 609                 #smtp_tls_cert_file              = /etc/postfix/\$mydomain/smtp/tls/crt.pem
 610                 #smtp_tls_key_file               = /etc/postfix/\$mydomain/smtp/tls/key.pem
 611                 #smtp_tls_per_site               = hash:/etc/postfix/\$mydomain/smtp/tls/per_site
 612                         # NOTE: déprécié en faveur de smtp_tls_policy_maps
 613                 smtp_tls_policy_maps            = hash:/etc/postfix/\$mydomain/smtp/tls/policy
 614                 smtp_tls_fingerprint_digest     = sha1
 615                 smtp_tls_scert_verifydepth      = 5
 616                 #smtp_tls_secure_cert_match      = nexthop, dot-nexthop
 617                 #smtp_tls_verify_cert_match      = hostname
 618                 #smtp_tls_note_starttls_offer    = yes
 619                 smtp_tls_loglevel               = 1
 620                 smtp_tls_protocols              = !SSLv2, !SSLv3
 621                         # Only allow TLSv*
 622                 smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
 623                 #smtp_tls_session_cache_timeout  = 3600s
 624                 smtp_tls_security_level         = may
 625                 smtp_header_checks              = regexp:/etc/postfix/\$mydomain/smtp/header_checks
 626                 smtp_body_checks                =
 627                 smtp_mime_header_checks         =
 628                 smtp_nested_header_checks       =
 629
 630                 smtpd_starttls_timeout                  = 300s
 631                 smtpd_banner                            =
 632                  \$myhostname ESMTP \$mail_name (Debian/GNU)
 633
 634                 # Restrictions
 635                 smtpd_helo_required             = yes
 636                 strict_rfc821_envelopes         = yes
 637                 smtpd_authorized_xclient_hosts  = 127.0.0.1
 638                         # NOTE: utile pour tester les restrictions
 639
 640                 smtpd_helo_restrictions         =
 641                         reject_invalid_helo_hostname
 642                         reject_non_fqdn_helo_hostname
 643                         #reject_unknown_helo_hostname
 644                                 # NOTE: pourrait pourtant être utile pour lutter contre le spam
 645                         permit
 646
 647                 smtpd_sender_restrictions       =
 648                         permit_mynetworks
 649                         permit_tls_clientcerts
 650                         permit_sasl_authenticated
 651                         check_sender_access hash:/etc/postfix/\$mydomain/smtpd/sender_access
 652                         check_sender_access hash:/etc/postfix/sender_blacklist
 653                         reject_unauth_pipelining
 654                         reject_non_fqdn_sender
 655                         #reject_unknown_sender_domain
 656                                 # NOTE: temporaire
 657                         permit
 658
 659                 smtpd_client_new_tls_session_rate_limit = 0
 660                 smtpd_client_event_limit_exceptions     = \$mynetworks
 661                 smtpd_client_recipient_rate_limit       = 0
 662                 smtpd_client_connection_count_limit     = 50
 663                 smtpd_client_connection_rate_limit      = 0
 664                 smtpd_client_message_rate_limit         = 0
 665                 smtpd_client_port_logging               = no
 666
 667                 smtpd_client_restrictions               =
 668                         check_client_access hash:/etc/postfix/client_blacklist
 669
 670                 policy_time_limit                       = 3600
 671                 default_extra_recipient_limit           = 5000
 672                 duplicate_filter_limit                  = 5000
 673                 smtpd_recipient_limit                   = 5000
 674                 smtpd_recipient_overshoot_limit         = 5000
 675                 smtpd_recipient_restrictions            =
 676                         reject_non_fqdn_recipient
 677                         #reject_invalid_hostname
 678                                 # NOTE: postfix < 2.3. voir reject_invalid_helo_hostname
 679                                 #       dans smtpd_helo_restrictions
 680                         reject_unknown_recipient_domain
 681                         #reject_non_fqdn_sender
 682                                 # NOTE: dans smtpd_sender_restrictions
 683                         reject_unauth_pipelining
 684                                 # NOTE: dans smtpd_client_restrictions ou smtpd_data_restrictions
 685                         permit_mynetworks
 686                         permit_tls_clientcerts
 687                         permit_sasl_authenticated
 688                         reject_unauth_destination
 689                                 # NOTE: ne pas passer par SPFCheck / Postgrey si le mail n'est pas pour nous
 690                                 #       ou quelqu'un pour lequel on tient lieu de backup_mx
 691                         check_policy_service inet:127.0.0.1:10023
 692                                 # NOTE: Postgrey (greylisting)
 693                         check_policy_service unix:private/spfcheck
 694                         permit_auth_destination
 695                                 # NOTE: une fois Postgrey passé, on accepte ce qui nous est destiné
 696                                 #       (voir permit_auth_destination) ; sans doute redondant
 697                         reject
 698                         #check_relay_domains <- removed from postfix
 699                         #reject_unknown_sender_domain
 700                                 # aurait probablement été mieux dans smtpd_sender_restrictions
 701                         #reject_rbl_client bl.spamcop.net
 702                         #reject_rbl_client list.dsbl.org
 703                         #reject_rbl_client zen.spamhaus.org
 704                         #reject_rbl_client dnsbl.sorbs.net
 705
 706                 smtpd_data_restrictions                 =
 707                         reject_unauth_pipelining
 708                                 # NOTE: obliger le serveur en face à attendre qu'on lui aie dit OK
 709                         permit
 710
 711                 #smtpd_end_of_data_restrictions          =
 712
 713                 #smtpd_restriction_classes               =
 714
 715                 smtpd_error_sleep_time                  = 5
 716                         # NOTE: forcer quelqu'un qui nous embête à attendre cinq secondes.
 717
 718                 # SASL
 719                 smtpd_sasl_auth_enable                  = yes
 720                 smtpd_sasl_type                         = dovecot
 721                 smtpd_sasl_path                         = private/auth
 722                 smtpd_sasl_security_options             = noanonymous
 723                 smtpd_sasl_domain                       = \$mydomain
 724
 725                 # SMTPD TLS
 726                 smtpd_discard_ehlo_keywords             = starttls
 727                         # NOTE: les clients mails tentant d'utiliser le chiffrement opportuniste
 728                         #       se mangent une erreur en tentant un starttls
 729                 smtpd_tls_fingerprint_digest            = sha1
 730                         # sha512 ?
 731                 smtpd_tls_mandatory_protocols           = TLSv1
 732                 smtpd_tls_mandatory_ciphers             = high
 733                 smtpd_tls_ciphers                       = high
 734                         # restrictif. s/high/medium/ ?
 735                 smtpd_tls_CAfile                        = /etc/postfix/\$mydomain/smtpd/tls/ca/crt+crl.slf.pem
 736                 smtpd_tls_CApath                        = /etc/postfix/\$mydomain/smtpd/tls/ca/
 737                 smtpd_tls_cert_file                     = /etc/postfix/\$mydomain/smtpd/tls/crt+crl.slf.pem
 738                 smtpd_tls_key_file                      = /etc/postfix/\$mydomain/smtpd/tls/key.pem
 739                 ##
 740                 #smtpd_tls_received_header               = no
 741                 smtpd_tls_session_cache_database        =
 742                         btree:/var/lib/postfix/smtpd_tls_session_cache
 743                 #smtpd_tls_session_cache_timeout         = 3600s
 744                 smtpd_tls_security_level                = may
 745                         # Postfix 2.3 and later
 746                         # encrypt
 747                         #  Mandatory TLS encryption: announce STARTTLS support to SMTP clients, and require that clients use TLS
 748                         #  encryption. According to [1720]RFC 2487 this MUST NOT be applied in case of a publicly-referenced
 749                         #  SMTP server. Instead, this option should be used only on dedicated servers.
 750                 smtpd_tls_loglevel                      = 1
 751                 smtpd_tls_ccert_verifydepth             = 5
 752                 smtpd_tls_auth_only                     = yes
 753                         # Pas d'AUTH SASL sans TLS
 754                 smtpd_tls_ask_ccert                     = no
 755                 smtpd_tls_req_ccert                     = no
 756                 #smtpd_tls_always_issue_session_ids      = yes
 757                 smtpd_peername_lookup                   = yes
 758                         # Nécessaire pour postgrey, etc
 759                 smtpd_milters                           =
 760                 non_smtpd_milters                       =
 761                 line_length_limit                       = 2048
 762                 queue_minfree                           = 0
 763                 message_size_limit                      = 20480000
 764                 #smtpd_enforce_tls    # NOTE: obsolète
 765                 #smtpd_use_tls        # NOTE: obsolète
 766                 #smtpd_tls_cipherlist # NOTE: obsolète
 767
 768                 readme_directory   = no
 769                 #delay_warning_time = 4h
 770                         # NOTE: uncomment the previous line to generate "delayed mail" warnings
 771                 #debug_peer_level   = 4
 772                 #debug_peer_list    = .\$myhostname
 773                 EOF
 774         mk_reg mod=664 own=root:root /etc/dovecot/dovecot.conf <<-EOF
 775                 auth_ssl_username_from_cert = yes
 776                 listen = *
 777                 log_timestamp = "%Y-%m-%d %H:%M:%S "
 778                 mail_debug = yes
 779                 mail_location = maildir:~/var/mail
 780                 mail_privileged_group = mail
 781                 passdb {
 782                   args = /home/%u/etc/dovecot/passwd
 783                   driver = passwd-file
 784                 }
 785                 protocols = imap
 786                 service auth {
 787                   unix_listener /var/spool/postfix/private/auth {
 788                     group = postfix
 789                     mode = 0660
 790                     user = postfix
 791                   }
 792                   user = root
 793                 }
 794                 ssl_ca = </etc/dovecot/imap/tls/crt+crl.slf.pem
 795                 ssl_cert = </etc/dovecot/imap/tls/crt+crl.slf.pem
 796                 ssl_cipher_list = AES256-SHA
 797                 ssl_key = </etc/dovecot/imap/tls/key.pem
 798                 ssl_verify_client_cert = yes
 799                 userdb {
 800                   driver = passwd
 801                 }
 802                 verbose_ssl = yes
 803                 protocol lda {
 804                   auth_socket_path = /var/run/dovecot/auth-master
 805                   hostname = $vm_domainname
 806                   info_log_path = /var/log/dovecot/lda/info.log
 807                   log_path = /var/log/dovecot/lda/error.log
 808                   mail_plugins = sieve
 809                   postmaster_address = contact+dovecot+lda@$vm_domainname
 810                 }
 811                 EOF
 812         mk_reg mod=664 own=root:root /etc/postgrey/whitelist_recipients.local <<-EOF
 813                 EOF
 814  }
 815 rule_mail_install () {
 816         sudo apt-get install postfix postgrey dovecot
 817  }
 818
 819 rule=${1:-help}
 820 ${1+shift}
 821 case $rule in
 822  (help);;
 823  (*)
 824         test "$(hostname --fqdn)" = "$vm_fqdn"
 825         ${TRACE:+set -x}
 826         ;;
 827  esac
 828 rule_$rule "$@"