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 # TODO: voir si c'est nécessaire à Lyon
  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                 # NOTE: rwxrwx--- ;
 193                 #  - donne une même confiance au groupe propriétaire qu'au propriétaire ;
 194                 #  - facilite l'utilisation des ACL, qui sont dépendantes des droits du groupe propriétaire.
 195                 UMASK            007
 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 IFS=: read -r group x x users
 223          do while IFS=, read -r user
 224                  do eval local home\; home="~$user"
 225                         cat "$home"/etc/ssh/authorized_keys
 226                  done <<-EOF
 227                         $users
 228                         EOF
 229          done |
 230         mk_reg mod=640 own=root:root /root/etc/ssh/authorized_keys
 231         sudo find "$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/ &$//' \
 257          -i /usr/share/initramfs-tools/scripts/init-premount/dropbear
 258          # NOTE: corrige une vermine : dropbear doit attendre que le réseau soit configuré..
 259         sudo rm -f \
 260          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key \
 261          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key.pub \
 262          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key \
 263          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key.pub
 264         #mk_reg mod=640 own=root:root </dev/null \
 265         # /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key \
 266         # /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key.pub
 267         ssh-keygen -F "init.$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 268         ( while IFS= read -r line
 269          do case $line in (*" RSA") return 0; break;; esac
 270          done; return 1 ) ||
 271         sudo dropbearkey -t rsa -s 4096 -f \
 272          /etc/initramfs-tools/etc/dropbear/dropbear_rsa_host_key
 273         ssh-keygen -F "init.$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 274         ( while IFS= read -r line
 275          do case $line in (*" DSA") return 0; break;; esac
 276          done; return 1 ) ||
 277         sudo dropbearkey -t dss -s 1024 -f \
 278          /etc/initramfs-tools/etc/dropbear/dropbear_dss_host_key
 279         mk_dir mod=640 own=root:root \
 280          /etc/initramfs-tools/root \
 281          /etc/initramfs-tools/root/.ssh
 282         getent group sudo |
 283         while IFS=: read -r group x x users
 284          do while IFS=, read -r user
 285                  do eval local home\; home="~$user"
 286                         cat "$home"/etc/ssh/authorized_keys
 287                  done <<-EOF
 288                         $users
 289                         EOF
 290          done |
 291         mk_reg mod=644 own=root:root /etc/initramfs-tools/root/.ssh/authorized_keys
 292         sudo rm -f \
 293          /etc/initramfs-tools/root/.ssh/id_rsa.dropbear \
 294          /etc/initramfs-tools/root/.ssh/id_rsa.pub \
 295          /etc/initramfs-tools/root/.ssh/id_rsa
 296          # NOTE: clefs générées par Debian
 297         sudo update-initramfs -u
 298  }
 299 rule__boot_init () {
 300         sudo apt-get install --reinstall grub-pc # XXX: attention à n'installer GRUB sur AUCUN disque proposé !
 301         mk_dir mod=644 own=root:root /boot/grub
 302         sudo apt-get install --reinstall linux-image-$vm_arch
 303         mk_reg mod=644 own=root:root /etc/default/grub <<-EOF
 304                 GRUB_DEFAULT=0
 305                 GRUB_TIMEOUT=5
 306                 GRUB_DISTRIBUTOR=\`lsb_release -i -s 2> /dev/null || echo Debian\`
 307                 GRUB_CMDLINE_LINUX_DEFAULT="quiet"
 308                 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"
 309                 GRUB_DISABLE_RECOVERY="true"
 310                 #GRUB_PRELOAD_MODULES="lvm"
 311                 EOF
 312         mk_reg mod=644 own=root:root /boot/grub/device.map <<-EOF
 313                 (hd0)   /dev/xvda
 314                 (hd0)   /dev/mapper/domU-$(printf %s $vm_fqdn-disk | sed -e 's/-/--/g')
 315                 EOF
 316         sudo update-grub2 # NOTE: prend en compte /boot/grub/device.map
 317         rule__initramfs_init
 318  }
 319 rule__bin_init () {
 320         mk_lnk "$tool"/vm_hosted /usr/local/sbin/
 321  }
 322 rule_init () {
 323         rule__etckeeper_init
 324         rule__locale_init
 325         rule__network_init
 326         rule__apt_init
 327         rule__filesystem_init
 328         rule__login_init
 329         rule__user_root_init
 330         rule__boot_init
 331         rule__bin_init
 332  }
 333
 334 rule_disk_key_change () {
 335         sudo cryptsetup luksChangeKey /dev/$vm_lvm_vg/${vm_lvm_lv}_root
 336  }
 337
 338 rule_user_init () {
 339         mk_dir mod=750 own="root:adm" /etc/skel/etc
 340         mk_dir mod=770 own="root:adm" /etc/skel/etc/apache2
 341         mk_dir mod=770 own="root:adm" /etc/skel/etc/ssh
 342         mk_dir mod=700 own="root:adm" /etc/skel/var
 343         mk_dir mod=700 own="root:adm" /etc/skel/var/log
 344         mk_dir mod=700 own="root:adm" /etc/skel/var/cache
 345         mk_dir mod=700 own="root:adm" /etc/skel/var/cache/ssh
 346         mk_dir mod=700 own="root:adm" /etc/skel/tmp
 347         mk_dir mod=700 own="root:adm" /etc/skel/tmp
 348         mk_lnk etc/ssh                /etc/skel/.ssh
 349         mk_lnk etc/gpg                /etc/skel/.gnupg
 350         ssh-keygen -F "$vm_fqdn" -f "$tool"/etc/openssh/known_hosts |
 351         ( while IFS= read -r line
 352          do case $line in (*" RSA") return 0; break;; esac
 353          done; return 1 ) ||
 354         sudo ssh-keygen -t rsa -b 4096 -N '' -f /etc/ssh/ssh_host_rsa_key
 355         sudo rm -f \
 356          /etc/ssh/ssh_host_dsa_key \
 357          /etc/ssh/ssh_host_dsa_key.pub \
 358          /etc/ssh/ssh_host_ecdsa_key \
 359          /etc/ssh/ssh_host_ecdsa_key.pub
 360          # NOTE: clefs générées par Debian
 361         mk_reg mod=664 own=root:root  /etc/ssh/sshd_config <<-EOF
 362                 Port 22
 363                 ListenAddress $vm_ipv4
 364                 #ListenAddress ::
 365                 Protocol 2
 366                 Compression yes
 367                 HostKey /etc/ssh/ssh_host_rsa_key
 368                 UsePrivilegeSeparation yes
 369                 KeyRegenerationInterval 3600
 370                 ServerKeyBits 768
 371                 SyslogFacility AUTH
 372                 LogLevel INFO
 373                 LoginGraceTime 120
 374                 PermitRootLogin yes
 375                 StrictModes yes
 376                 RSAAuthentication yes
 377                 PubkeyAuthentication yes
 378                 AuthorizedKeysFile %h/etc/ssh/authorized_keys
 379                 IgnoreRhosts yes
 380                 RhostsRSAAuthentication no
 381                 HostbasedAuthentication no
 382                 IgnoreUserKnownHosts no
 383                 PermitEmptyPasswords no
 384                 ChallengeResponseAuthentication no
 385                 PasswordAuthentication no
 386                 KerberosAuthentication no
 387                 GSSAPIAuthentication no
 388                 X11Forwarding no
 389                 X11DisplayOffset 10
 390                 PrintMotd no
 391                 DebianBanner no
 392                 PrintLastLog yes
 393                 TCPKeepAlive yes
 394                 ClientAliveInterval 0
 395                 AcceptEnv LANG LC_*
 396                 Subsystem sftp /usr/lib/openssh/sftp-server
 397                 UsePAM yes
 398                 EOF
 399         sudo service ssh restart
 400         mk_reg mod=440 own=root:root /etc/sudoers.d/passwd-init <<-EOF
 401                 %sudo ALL=(ALL) NOPASSWD: /bin/sh -e -f -u -c \\
 402                   case \$(/usr/bin/passwd --status "\$SUDO_USER") in \\
 403                     ("\$SUDO_USER L "*) /usr/bin/passwd \$SUDO_USER;; esac
 404                 EOF
 405         mk_reg mod=440 own=root:root /etc/sudoers.d/etckeeper-unclean <<-EOF
 406                 %sudo ALL=(ALL) NOPASSWD: /usr/sbin/etckeeper unclean
 407                 EOF
 408         mk_reg mod=440 own=root:root /etc/sudoers.d/env_keep <<-EOF
 409                 Defaults env_keep = " \\
 410                   EDITOR \\
 411                   GIT_AUTHOR_NAME \\
 412                   GIT_AUTHOR_EMAIL \\
 413                   GIT_COMMITTER_NAME \\
 414                   GIT_COMMITTER_EMAIL \\
 415                  "
 416                 EOF
 417         mk_reg mod=555 own=root:root /usr/local/sbin/passwd-init <<-EOF
 418                 #!/bin/sh
 419                 sudo /bin/sh -e -f -u -c \
 420                   'case \$(/usr/bin/passwd --status "\$SUDO_USER") in ("\$SUDO_USER L "*) /usr/bin/passwd \$SUDO_USER;; esac'
 421                 EOF
 422  }
 423 rule_user_admin_add () { # SYNTAX: $user
 424         local user=$1
 425         id "$user" >/dev/null ||
 426         sudo adduser --disabled-password "$user"
 427                 # NOTE: le mot-de-passe doit être initialisé par l'utilisateur à l'aide de passwd-init .
 428         eval local home\; home="~$user"
 429         sudo adduser "$user" sudo
 430         ssh_key_add user=$user "$tool"/var/pub/ssh/"$user".key "$home"/etc/ssh/authorized_keys
 431         rule__initramfs_init
 432         rule__user_root_init
 433         sudo gpg --import "$tool"/var/pub/opengpg/"$user".key
 434  }
 435 rule_user_mail_format () {
 436         mk_dir mod=770 own=root:adm /etc/skel/etc/procmail
 437         mk_dir mod=770 own=root:adm /etc/skel/var/mail
 438         mk_dir mod=770 own=root:adm /etc/skel/var/cache/procmail
 439         mk_reg mod=660 own=root:adm /etc/skel/etc/procmail/delivery.rc <<-EOF
 440                 # vim: ft=procmail
 441
 442                 # NOTE: paramètres passés par postfix
 443                 SENDER=\$1
 444                 RECIPIENT=\$2
 445                 USER=\$3
 446                 EXTENSION=\$4
 447                 DOMAIN=\$5
 448                 ORIGINAL_RECIPIENT=\$6
 449
 450                 PATH="\$HOME/bin:/usr/local/bin:/usr/bin:/bin"
 451                 MAILDIR="\$HOME/var/mail/"
 452                 DEFAULT="\$MAILDIR"
 453                 #LOGFILE=`cd="\$HOME/var/log/procmail/" d=\$(date +"%Y-%m-%d"); ln -fns "\$d.log" "\$cd/current.log"; printf %s "\$cd/\$d.log"`
 454                 LOGFILE="/dev/null"
 455                 LOGABSTRACT=all
 456                 LOGABSTRACT
 457                 VERBOSE
 458                 SHELL=/bin/sh
 459                 SHELLMETAS=&|<>~;?*%{}
 460
 461                 # DESCRIPTION: supprime les doublons en fonction du champ Message-Id
 462                 #:0 Wh:            "\$HOME/var/cache/procmail/msgid\$LOCKEXT"
 463                 #| formail -D 8192 "\$HOME/var/cache/procmail/msgid"
 464
 465                 # DESCRIPTION: fait suivre à l'adresse configurée dans /etc/passwd ; on peut aussi utiliser ~/.forward
 466                 EMAIL=`sed /etc/passwd -ne "/^\$USER:/s/[^:]*:[^:]*:[^:]*:[^:]*:[^,]*,[^,]*,[^,]*,[^,]*,\([^:]*\):.*/\1/p"`
 467                  # NOTE: récupère l’adresse courriel dans le champ GECOS
 468                 FROM_=`formail -c -x "From " | sed -e 's/^\s*\([^ \t]*\).*/\1/g'`
 469                  # NOTE: récupère l’expéditeur inscrit sur l’enveloppe
 470                 :0
 471                 | \$SENDMAIL -i -bm -f "\$FROM_" "\${EMAIL/@/\${EXTENSION:++\${EXTENSION}}@}"
 472
 473                 # DESCRIPTION: IMAP
 474                 #:0
 475                 #| /usr/lib/dovecot/deliver -f "\$SENDER" -a "\$RECIPIENT"
 476
 477                 # DESCRIPTION: UUCP
 478                 #:0
 479                 #| /usr/bin/uux \
 480                 # -I "\$HOME/etc/uucp/uucp.cfg" \
 481                 # --nouucico \
 482                 # --notification=error \
 483                 # --requestor "\$USER" \
 484                 # - "\$USER!rmail" "(\$USER)"
 485                 EOF
 486         mk_reg mod=664 own=root:root /etc/postfix/main.cf <<-EOF
 487                 # /etc/postfix/main.cf
 488                 # SEE: http://postfix.traduc.org/index.php/TLS_README.html
 489
 490                 parent_domain_matches_subdomains =
 491                         #debug_peer_list
 492                         #fast_flush_domains
 493                         #mynetworks
 494                         #permit_mx_backup_networks
 495                         #qmqpd_authorized_clients
 496                         #smtpd_access_maps
 497                 mydomain                         = $vm_domainname
 498                 myorigin                         = \$mydomain
 499                 myhostname                       = $vm_hostname.\$mydomain
 500                 mail_name                        = \$myhostname
 501                 mydestination                    =
 502                         $vm_hostname
 503                         \$myhostname
 504                         \$myorigin
 505                 mynetworks                       =
 506                         127.0.0.0/8
 507                         #[::1]/128
 508                 inet_protocols = ipv4
 509                         # "all" to activate IPv6
 510                 inet_interfaces                  = all
 511                 permit_mx_backup_networks        =
 512
 513                 alias_database         =
 514                         hash:/etc/aliases
 515                         # NOTE: fichier de hash contenant une table d’alias mail.
 516                         #       Celle-ci est éditable dans /etc/aliases, puis (indispensable)
 517                         #       regénérée en hash grâce à la commande newaliases qui produit /etc/aliases.db
 518                 alias_maps             =
 519                         hash:/etc/aliases
 520                 recipient_delimiter    = +
 521                         # NOTE: séparateur entre le nom d’utilisateur
 522                         #       et les extensions d’adresse (par défaut le signe +).
 523                 #virtual_alias_domains  =
 524                 virtual_alias_maps     =
 525                         hash:/etc/postfix/\$mydomain/virtual
 526                         # NOTE: do not specify virtual alias domain names in  the  main.cf
 527                         #       mydestination or relay_domains configuration parameters.
 528                         #
 529                         # With  a  virtual  alias  domain,  the  Postfix SMTP server
 530                         # accepts  mail  for  known-user@virtual-alias.domain,   and
 531                         # rejects   mail  for  unknown-user@virtual-alias.domain  as
 532                         # undeliverable.
 533                 #relayhost              =
 534                 relay_clientcerts      =
 535                         hash:/etc/postfix/\$mydomain/smtpd/tls/relay_clientcerts
 536                 relay_domains          =
 537                         \$mydestination
 538                                 # NOTE: ajouter les domaines pour lesquels on est backup MX ici,
 539                                 #       pas dans mydestination ou virtual_alias...
 540
 541                 maximal_queue_lifetime = 5d
 542
 543                 header_checks        =
 544                         regexp:/etc/postfix/\$mydomain/header_checks
 545                 mime_header_checks   =
 546                 nested_header_checks =
 547                 milter_header_checks =
 548                 body_checks          =
 549
 550                 #content_filter               = amavisfeed:[127.0.0.1]:10024
 551                 #receive_override_options     = no_address_mappings
 552                         # no_unknown_recipient_checks
 553                         #         Do not try to reject unknown recipients (SMTP server only).
 554                         #         This is typically specified AFTER an external content filter.
 555                         # no_address_mappings
 556                         #         Disable canonical address mapping, virtual alias map expansion,
 557                         #         address masquerading, and automatic BCC (blind carbon-copy) recipients.
 558                         #         This is typically specified BEFORE an external content filter (eg. amavis).
 559                         # no_header_body_checks
 560                         #         Disable header/body_checks. This is typically specified AFTER an external content filter.
 561                         # no_milters
 562                         #         Disable Milter (mail filter) applications. This is typically specified AFTER an external content filter.
 563                 #local_header_rewrite_clients =
 564                 transport_maps                =
 565                         hash:/etc/postfix/\$mydomain/transport_maps
 566                 mailbox_command               =
 567                         /usr/bin/procmail -t -a "\$SENDER" -a "\$RECIPIENT" -a "\$USER" -a "\$EXTENSION" -a "\$DOMAIN" -a "\$ORIGINAL_RECIPIENT" "\$HOME/etc/procmail/delivery.rc"
 568                 mailbox_size_limit            = 0
 569                 biff                          = no
 570                         # Activer la notification en cas de réception de nouveaux e-mails dans la console (yes / no).
 571                 append_dot_mydomain           = no
 572                         # appending .domain is the MUA's job.
 573
 574                 #tls_random_source             =
 575                 #       dev:/dev/urandom
 576                         # Non-blocking
 577                 #tls_random_reseed_period      = 3600s
 578                 #tls_random_exchange_name      =
 579                 #       \${data_directory}/prng_exch
 580                         # NOTE: à ne pas mettre dans la cage chroot
 581                 #tls_random_bytes              = 32
 582                 #tls_random_prng_update_period = 3600s
 583                 #tls_high_cipherlist           = AES256-SHA
 584                         # NOTE: postconf(5) déconseille de changer ceci
 585
 586                 #smtp_cname_overrides_servername = no
 587                 smtp_connect_timeout            = 60s
 588                 #smtp_tls_CAfile                 = /etc/postfix/\$mydomain/smtp/tls/ca/crt.pem
 589                 #smtp_tls_CApath                 = /etc/postfix/\$mydomain/smtp/tls/ca/
 590                 #smtp_tls_cert_file              = /etc/postfix/\$mydomain/smtp/tls/crt.pem
 591                 #smtp_tls_key_file               = /etc/postfix/\$mydomain/smtp/tls/key.pem
 592                 #smtp_tls_per_site               = hash:/etc/postfix/\$mydomain/smtp/tls/per_site
 593                         # NOTE: déprécié en faveur de smtp_tls_policy_maps
 594                 smtp_tls_policy_maps            = hash:/etc/postfix/\$mydomain/smtp/tls/policy
 595                 smtp_tls_fingerprint_digest     = sha1
 596                 smtp_tls_scert_verifydepth      = 5
 597                 #smtp_tls_secure_cert_match      = nexthop, dot-nexthop
 598                 #smtp_tls_verify_cert_match      = hostname
 599                 #smtp_tls_note_starttls_offer    = yes
 600                 smtp_tls_loglevel               = 1
 601                 smtp_tls_protocols              = !SSLv2, !SSLv3
 602                         # Only allow TLSv*
 603                 smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
 604                 #smtp_tls_session_cache_timeout  = 3600s
 605                 smtp_tls_security_level         = may
 606                 smtp_header_checks              = regexp:/etc/postfix/\$mydomain/smtp/header_checks
 607                 smtp_body_checks                =
 608                 smtp_mime_header_checks         =
 609                 smtp_nested_header_checks       =
 610
 611                 smtpd_starttls_timeout                  = 300s
 612                 smtpd_banner                            =
 613                  \$myhostname ESMTP \$mail_name (Debian/GNU)
 614
 615                 # Restrictions
 616                 smtpd_helo_required             = yes
 617                 strict_rfc821_envelopes         = yes
 618                 smtpd_authorized_xclient_hosts  = 127.0.0.1
 619                         # NOTE: utile pour tester les restrictions
 620
 621                 smtpd_helo_restrictions         =
 622                         reject_invalid_helo_hostname
 623                         reject_non_fqdn_helo_hostname
 624                         #reject_unknown_helo_hostname
 625                                 # NOTE: pourrait pourtant être utile pour lutter contre le spam
 626                         permit
 627
 628                 smtpd_sender_restrictions       =
 629                         permit_mynetworks
 630                         permit_tls_clientcerts
 631                         permit_sasl_authenticated
 632                         check_sender_access hash:/etc/postfix/\$mydomain/smtpd/sender_access
 633                         check_sender_access hash:/etc/postfix/sender_blacklist
 634                         reject_unauth_pipelining
 635                         reject_non_fqdn_sender
 636                         #reject_unknown_sender_domain
 637                                 # NOTE: temporaire
 638                         permit
 639
 640                 smtpd_client_new_tls_session_rate_limit = 0
 641                 smtpd_client_event_limit_exceptions     = \$mynetworks
 642                 smtpd_client_recipient_rate_limit       = 0
 643                 smtpd_client_connection_count_limit     = 50
 644                 smtpd_client_connection_rate_limit      = 0
 645                 smtpd_client_message_rate_limit         = 0
 646                 smtpd_client_port_logging               = no
 647
 648                 smtpd_client_restrictions               =
 649                         check_client_access hash:/etc/postfix/client_blacklist
 650
 651                 policy_time_limit                       = 3600
 652                 default_extra_recipient_limit           = 5000
 653                 duplicate_filter_limit                  = 5000
 654                 smtpd_recipient_limit                   = 5000
 655                 smtpd_recipient_overshoot_limit         = 5000
 656                 smtpd_recipient_restrictions            =
 657                         reject_non_fqdn_recipient
 658                         #reject_invalid_hostname
 659                                 # NOTE: postfix < 2.3. voir reject_invalid_helo_hostname
 660                                 #       dans smtpd_helo_restrictions
 661                         reject_unknown_recipient_domain
 662                         #reject_non_fqdn_sender
 663                                 # NOTE: dans smtpd_sender_restrictions
 664                         reject_unauth_pipelining
 665                                 # NOTE: dans smtpd_client_restrictions ou smtpd_data_restrictions
 666                         permit_mynetworks
 667                         permit_tls_clientcerts
 668                         permit_sasl_authenticated
 669                         reject_unauth_destination
 670                                 # NOTE: ne pas passer par SPFCheck / Postgrey si le mail n'est pas pour nous
 671                                 #       ou quelqu'un pour lequel on tient lieu de backup_mx
 672                         check_policy_service inet:127.0.0.1:10023
 673                                 # NOTE: Postgrey (greylisting)
 674                         check_policy_service unix:private/spfcheck
 675                         permit_auth_destination
 676                                 # NOTE: une fois Postgrey passé, on accepte ce qui nous est destiné
 677                                 #       (voir permit_auth_destination) ; sans doute redondant
 678                         reject
 679                         #check_relay_domains <- removed from postfix
 680                         #reject_unknown_sender_domain
 681                                 # aurait probablement été mieux dans smtpd_sender_restrictions
 682                         #reject_rbl_client bl.spamcop.net
 683                         #reject_rbl_client list.dsbl.org
 684                         #reject_rbl_client zen.spamhaus.org
 685                         #reject_rbl_client dnsbl.sorbs.net
 686
 687                 smtpd_data_restrictions                 =
 688                         reject_unauth_pipelining
 689                                 # NOTE: obliger le serveur en face à attendre qu'on lui aie dit OK
 690                         permit
 691
 692                 #smtpd_end_of_data_restrictions          =
 693
 694                 #smtpd_restriction_classes               =
 695
 696                 smtpd_error_sleep_time                  = 5
 697                         # NOTE: forcer quelqu'un qui nous embête à attendre cinq secondes.
 698
 699                 # SASL
 700                 smtpd_sasl_auth_enable                  = yes
 701                 smtpd_sasl_type                         = dovecot
 702                 smtpd_sasl_path                         = private/auth
 703                 smtpd_sasl_security_options             = noanonymous
 704                 smtpd_sasl_domain                       = \$mydomain
 705
 706                 # SMTPD TLS
 707                 smtpd_discard_ehlo_keywords             = starttls
 708                         # NOTE: les clients mails tentant d'utiliser le chiffrement opportuniste
 709                         #       se mangent une erreur en tentant un starttls
 710                 smtpd_tls_fingerprint_digest            = sha1
 711                         # sha512 ?
 712                 smtpd_tls_mandatory_protocols           = TLSv1
 713                 smtpd_tls_mandatory_ciphers             = high
 714                 smtpd_tls_ciphers                       = high
 715                         # restrictif. s/high/medium/ ?
 716                 smtpd_tls_CAfile                        = /etc/postfix/\$mydomain/smtpd/tls/ca/crt+crl.slf.pem
 717                 smtpd_tls_CApath                        = /etc/postfix/\$mydomain/smtpd/tls/ca/
 718                 smtpd_tls_cert_file                     = /etc/postfix/\$mydomain/smtpd/tls/crt+crl.slf.pem
 719                 smtpd_tls_key_file                      = /etc/postfix/\$mydomain/smtpd/tls/key.pem
 720                 ##
 721                 #smtpd_tls_received_header               = no
 722                 smtpd_tls_session_cache_database        =
 723                         btree:/var/lib/postfix/smtpd_tls_session_cache
 724                 #smtpd_tls_session_cache_timeout         = 3600s
 725                 smtpd_tls_security_level                = may
 726                         # Postfix 2.3 and later
 727                         # encrypt
 728                         #  Mandatory TLS encryption: announce STARTTLS support to SMTP clients, and require that clients use TLS
 729                         #  encryption. According to [1720]RFC 2487 this MUST NOT be applied in case of a publicly-referenced
 730                         #  SMTP server. Instead, this option should be used only on dedicated servers.
 731                 smtpd_tls_loglevel                      = 1
 732                 smtpd_tls_ccert_verifydepth             = 5
 733                 smtpd_tls_auth_only                     = yes
 734                         # Pas d'AUTH SASL sans TLS
 735                 smtpd_tls_ask_ccert                     = no
 736                 smtpd_tls_req_ccert                     = no
 737                 #smtpd_tls_always_issue_session_ids      = yes
 738                 smtpd_peername_lookup                   = yes
 739                         # Nécessaire pour postgrey, etc
 740                 smtpd_milters                           =
 741                 non_smtpd_milters                       =
 742                 line_length_limit                       = 2048
 743                 queue_minfree                           = 0
 744                 message_size_limit                      = 20480000
 745                 #smtpd_enforce_tls    # NOTE: obsolète
 746                 #smtpd_use_tls        # NOTE: obsolète
 747                 #smtpd_tls_cipherlist # NOTE: obsolète
 748
 749                 readme_directory   = no
 750                 #delay_warning_time = 4h
 751                         # NOTE: uncomment the previous line to generate "delayed mail" warnings
 752                 #debug_peer_level   = 4
 753                 #debug_peer_list    = .\$myhostname
 754                 EOF
 755         mk_reg mod=664 own=root:root /etc/dovecot/dovecot.conf <<-EOF
 756                 auth_ssl_username_from_cert = yes
 757                 listen = *
 758                 log_timestamp = "%Y-%m-%d %H:%M:%S "
 759                 mail_debug = yes
 760                 mail_location = maildir:~/var/mail
 761                 mail_privileged_group = mail
 762                 passdb {
 763                   args = /home/%u/etc/dovecot/passwd
 764                   driver = passwd-file
 765                 }
 766                 protocols = imap
 767                 service auth {
 768                   unix_listener /var/spool/postfix/private/auth {
 769                     group = postfix
 770                     mode = 0660
 771                     user = postfix
 772                   }
 773                   user = root
 774                 }
 775                 ssl_ca = </etc/dovecot/imap/tls/crt+crl.slf.pem
 776                 ssl_cert = </etc/dovecot/imap/tls/crt+crl.slf.pem
 777                 ssl_cipher_list = AES256-SHA
 778                 ssl_key = </etc/dovecot/imap/tls/key.pem
 779                 ssl_verify_client_cert = yes
 780                 userdb {
 781                   driver = passwd
 782                 }
 783                 verbose_ssl = yes
 784                 protocol lda {
 785                   auth_socket_path = /var/run/dovecot/auth-master
 786                   hostname = $vm_domainname
 787                   info_log_path = /var/log/dovecot/lda/info.log
 788                   log_path = /var/log/dovecot/lda/error.log
 789                   mail_plugins = sieve
 790                   postmaster_address = contact+dovecot+lda@$vm_domainname
 791                 }
 792                 EOF
 793         mk_reg mod=664 own=root:root /etc/postgrey/whitelist_recipients.local <<-EOF
 794                 EOF
 795  }
 796 rule_mail_install () {
 797         sudo apt-get install postfix postgrey dovecot
 798  }
 799
 800 rule=${1:-help}
 801 ${1+shift}
 802 case $rule in
 803  (help);;
 804  (*)
 805         test "$(hostname --fqdn)" = "$vm_fqdn"
 806         set "${TRACE:+-x}"
 807         ;;
 808  esac
 809 rule_$rule "$@"