1246 lines
37 KiB
Bash
1246 lines
37 KiB
Bash
##@cooked comments # -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
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## Outils pour les distributions debian
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##@cooked nocomments
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##@require base
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##@require sysinfos
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##@require service
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uprovide debian
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urequire base sysinfos service
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################################################################################
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# Gestion des packages
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function pkg_check() {
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# Vérifier que les packages sont installés sur le système
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local pkg status
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for pkg in "$@"; do
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status="$(LANG=C dpkg -s "$pkg" 2>/dev/null | grep '^Status:')" || return 1
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[[ "$status" == *not-installed* ]] && return 1
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[[ "$status" == *deinstall* ]] && return 1
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done
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return 0
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}
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function pkg_update() {
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# Mettre à jour la liste des packages silencieusement sans confirmation
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LANG=C apt-get update -qy
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}
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function pkg_upgrade() {
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# Mettre à jour la liste des packages silencieusement sans confirmation
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LANG=C apt-get upgrade -qy
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}
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function pkg_install() {
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# Installer les packages silencieusement et sans confirmation
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LANG=C apt-get install -qy "$@"
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}
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function pkg_installm() {
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# Installer les packages silencieusement et sans confirmation
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# Retourner 0 si au moins un des packages a été installé. Sinon, les
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# packages n'ont pas été installés, soit parce qu'ils sont déjà installé,
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# soit parce qu'il y a eu une erreur.
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if ! pkg_check "$@"; then
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# essayer d'installer les packages
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pkg_install "$@"
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else
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# aucun package n'a été installé
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return 1
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fi
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}
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################################################################################
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# Gestion des services
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function service_disable() {
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# Désactiver le service $1 pour qu'il ne se lance pas automatiquement au
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# démarrage
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update-rc.d -f "$1" remove
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}
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function service_enable() {
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# Activer le service $1 pour qu'il se lance automatiquement au démarrage
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update-rc.d "$1" defaults
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}
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################################################################################
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# Gestion des interfaces réseau
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function network_create_bridge() {
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# Modifier le fichier /etc/network/interfaces pour créer un nouveau pont
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# nommé $1 avec les paramètres $2. Si $2 est vide, sa valeur par défaut est
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# bridge_ports none
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# bridge_stp off
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# bridge_fd 2
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# bridge_maxwait 0
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# OPTIONS:
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# --static L'interface est statique plutôt que de recevoir son
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# adresse par DHCP
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# --auto Démarrer l'interface automatiquement
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# Une définition existante de l'interface n'est jamais écrasée.
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# Retourner vrai si la définition a été ajoutée dans /etc/network/interfaces
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local args method auto ifname lines
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method=dhcp
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parse_opts \
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--static method=static \
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--auto auto \
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@ args -- "$@" && set -- "${args[@]}" || {
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eerror "$args"
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return 1
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}
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ifname="${1:-br0}"
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array_from_lines lines "$2"
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lines="$(array_to_lines lines "" " ")"
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doinplacef /etc/network/interfaces awkrun ifname="$ifname" lines="$lines" method="$method" auto="$auto" '
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BEGIN {
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foundif = 0
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}
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$0 ~ "^iface " ifname " " { foundif = 1 }
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{ print }
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END {
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if (foundif) {
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exit 1
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} else {
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print ""
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if (auto != "") print "auto " ifname
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print "iface " ifname " inet " method
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if (lines != "") print lines
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exit 0
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}
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}'
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}
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__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS=
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function __network_parse_confbr() {
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local br; local -a ifaces
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splitpair "$1" br ifaces
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array_split ifaces "$ifaces" ,
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__npc_br="$br"
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array_copy __npc_ifaces ifaces
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}
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function network_parse_confbr() {
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# network_parse_confbr "$confbr" br ifaces
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local __npc_br; local -a __npc_ifaces
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__network_parse_confbr "$1"
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set_var "${2:-br}" "$__npc_br"
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array_copy "${3:-ifaces}" __npc_ifaces
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}
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function network_format_confbr() {
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# network_format_confbr "$br" ifaces --> "br:ifaces"
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echo "$1:$(array_join "${2:-ifaces}" ,)"
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}
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function __network_parse_confip() {
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local tmpig iface gateway; local -a ipsuffixes
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splitfsep2 "$1" : tmpig ipsuffixes
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splitfsep "$tmpig" // iface gateway
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array_split ipsuffixes "$ipsuffixes" ,
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__npc_iface="$iface"
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__npc_gateway="$gateway"
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array_copy __npc_ipsuffixes ipsuffixes
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}
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function network_parse_confip() {
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# network_parse_confip "$confip" iface gateway ipsuffixes
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local __npc_iface __npc_gateway; local -a __npc_ipsuffixes
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__network_parse_confip "$1"
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set_var "${2:-iface}" "$__npc_iface"
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set_var "${3:-gateway}" "$__npc_gateway"
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array_copy "${4:-ipsuffixes}" __npc_ipsuffixes
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}
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function network_parse_ipsuffix() {
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# network_parse_ipsuffix "$ipsuffix" ip suffix
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splitfsep "$1" / "${2:-ip}" "${3:-suffix}"
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}
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function network_format_confip() {
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# network_format_confip "$iface" "$gateway" ipsuffixes --> "iface//gateway:ipsuffixes"
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local tmpig="$1${2:+//$2}"
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echo "${tmpig:+$tmpig:}$(array_join "${3:-ipsuffixes}" ,)"
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}
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function network_format_ipsuffix() {
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# network_format_ipsuffix "$ip" "$suffix" --> "ip:suffix"
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if [ "${1,,}" == "dhcp" ]; then
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echo "${1,,}"
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else
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echo "$1${2:+/$2}"
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fi
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}
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function __network_fix_confbrs() {
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local -a confbrs ifaces brs ips
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local confbr br iface
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# recenser les bridges et créer les tableaux __BR_ifaces
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for confbr in "${__nfc_confbrs[@]}"; do
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network_parse_confbr "$confbr" br ifaces
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array_addu brs "$br"
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eval "local -a ${br}_ifaces"
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done
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# puis constuire la liste des interfaces associées à chaque bridge
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for confbr in "${__nfc_confbrs[@]}"; do
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network_parse_confbr "$confbr" br ifaces
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array_extendu "${br}_ifaces" ifaces
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done
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# puis construire le tableau final
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array_new confbrs
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for br in "${brs[@]}"; do
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array_add confbrs "$(network_format_confbr "$br" "${br}_ifaces")"
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done
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array_copy __nfc_confbrs confbrs
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}
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function network_fix_confbrs() {
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# normaliser le tableau $1(=confbrs): fusionner les doublons
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local -a __nfc_confbrs
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array_copy __nfc_confbrs "${1:-confbrs}"
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__network_fix_confbrs
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array_copy "${1:-confbrs}" __nfc_confbrs
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}
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function __network_fix_confips() {
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local -a confips ipsuffixes ifaces ips
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local confip iface gateway ip suffix mainip
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# recenser les interfaces et créer les tableaux __IFACE_ipspecs
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for confip in "${__nfc_confips[@]}"; do
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network_parse_confip "$confip" iface gateway ipsuffixes
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[ -n "$iface" ] || iface="$mainiface"
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array_addu ifaces "$iface"
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eval "local ${iface}_gateway; local -a ${iface}_ipsuffixes"
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done
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# puis construire la liste des adresses IP associées à chaque interface
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for confip in "${__nfc_confips[@]}"; do
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network_parse_confip "$confip" iface gateway ipsuffixes
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[ -n "$iface" ] || iface="$mainiface"
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# si la passerelle a déjà été spécifiée, la récupérer
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local tmpgw="${iface}_gateway"
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[ -n "${!tmpgw}" ] && gateway="${!tmpgw}"
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# calculer l'adresse ip principale, pour pouvoir traiter le cas où
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# l'adresse ip principale est l'adresse de la passerelle.
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mainip=
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for ipsuffix in "${ipsuffixes[@]}"; do
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network_parse_ipsuffix "$ipsuffix" ip suffix
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if ! array_contains ips "$ip"; then
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[ -n "$suffix" ] || suffix=24
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if [ -z "$mainip" ]; then
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[ -n "$gateway" ] || gateway="$(ipcalc_gateway "$ip" "$suffix")"
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mainip="$ip"
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fi
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array_add "${iface}_ipsuffixes" "$(network_format_ipsuffix "$ip" "$suffix")"
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array_add ips "$ip"
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fi
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done
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[ "$gateway" == "$mainip" ] && gateway=
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# si l'adresse ip principale est obtenue par dhcp, il ne faut pas
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# spécifier la passerelle: elle sera fournie par le serveur DHCP.
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# Utiliser le marqueur "none" pour que la valeur ne soit pas modifiée.
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[ "${ipsuffixes[0]}" == "dhcp" ] && gateway=none
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set_var "${iface}_gateway" "$gateway"
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done
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# puis construire le tableau final
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array_new confips
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for iface in "${ifaces[@]}"; do
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gateway="${iface}_gateway"; gateway="${!gateway}"
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[ "$gateway" == "none" ] && gateway=
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array_add confips "$(network_format_confip "$iface" "$gateway" "${iface}_ipsuffixes")"
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done
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array_copy __nfc_confips confips
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}
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function network_fix_confips() {
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# normaliser le tableau $1(=confips): fusionner les doublons, spécifier le
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# suffixe /24 par défaut, etc. $2 est le cas échéant l'interface associée
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# aux adresses ip non qualifiées
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local -a __nfc_confips
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array_copy __nfc_confips "${1:-confips}"
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local mainiface="$2"
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__network_fix_confips
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array_copy "${1:-confips}" __nfc_confips
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}
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function __network_fix_mainiface() {
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local -a confips ifaces ipsuffixes
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local br iface gateway confip mainconfip
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# déterminer mainiface
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if [ -z "$mainiface" -a -n "${__nfm_confbrs[0]}" ]; then
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network_parse_confbr "${__nfm_confbrs[0]}" br ifaces
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mainiface="$br"
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fi
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if [ -z "$mainiface" -a -n "${__nfm_confips[0]}" ]; then
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network_parse_confip "${__nfm_confips[0]}" iface gateway ipsuffixes
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mainiface="$iface"
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fi
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[ -n "$mainiface" ] || mainiface=eth0
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# ensuite, il faut reécrire confips avec la valeur de mainiface
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array_new confips
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for confip in "${__nfm_confips[@]}"; do
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network_parse_confip "$confip" iface gateway ipsuffixes
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[ -n "$iface" ] || iface="$mainiface"
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confip="$(network_format_confip "$iface" "$gateway" ipsuffixes)"
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if [ "$iface" == "$mainiface" ]; then
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mainconfip="$confip"
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else
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array_add confips "$confip"
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fi
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done
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[ -n "$mainconfip" ] && array_ins confips "$mainconfip"
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array_copy __nfm_confips confips
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}
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function network_fix_mainiface() {
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# A partir des valeurs des tableaux $1(=confbrs) et $2(=confips), et de
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# l'interface principale $3, déterminer l'interface principale. Si $3 est
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# spécifié, c'est la valeur sélectionnée. Sinon, si un bridge existe, c'est
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# le premier bridge qui est sélectionné. Sinon, la première interface est
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# sélectionnée. Sinon, on prend eth0.
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# Ensuite, réorganiser les tableaux de façon que confips[0] devienne la
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# configuration ip de l'interface principale.
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local -a __nfm_confbrs __nfm_confips
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array_copy __nfm_confbrs "${1:-confbrs}"
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array_copy __nfm_confips "${2:-confips}"
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local mainiface="$3"
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__network_fix_mainiface
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array_copy "${2:-confips}" __nfm_confips
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}
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function network_fix_confs() {
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network_fix_confbrs "${1:-confbrs}"
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network_fix_confips "${2:-confips}"
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network_fix_mainiface "${1:-confbrs}" "${2:-confips}" "$3"
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}
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function __network_valid_ifaces() {
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ip link | awk '/<.*>/ {
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flags = $0; sub(/^.*</, ",", flags); sub(/>.*$/, ",", flags)
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if (flags ~ /,LOOPBACK,/) next
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if (flags !~ /,UP,/) next
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sub(/:$/, "", $2); print $2
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}'
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}
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function __network_set_confbrs() {
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local -a ifaces tmpconfbrs confbrs
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local confbr br iface
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array_from_lines ifaces "$(__network_valid_ifaces)"
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array_from_lines tmpconfbrs "$(brctl show 2>/dev/null | awk '
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BEGIN { confbrs = "" }
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NR == 1 { next }
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{
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if ($1 != "" && $2 != "") {
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if (confbr != "") print confbr
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confbr = $1 ":" $4
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} else {
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confbr = confbr "," $1
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}
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}
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END {
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if (confbr != "") print confbr
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}
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')"
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for confbr in "${tmpconfbrs[@]}"; do
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splitpair "$confbr" br iface
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array_contains ifaces "$br" || continue
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array_add confbrs "$confbr"
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done
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array_copy __nsc_confbrs confbrs
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}
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function network_set_confbrs() {
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# initialiser $1(=confbrs) avec l'état des bridges sur le système courant
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local -a __nsc_confbrs
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__network_set_confbrs
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array_copy "${1:-confbrs}" __nsc_confbrs
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}
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function __network_set_gateway() {
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# initialiser la variable gateway avec la passerelle associée à l'interface
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# $1
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gateway="$(route -n | awk -v iface="$1" '$1 == "0.0.0.0" && $8 == iface { print $2 }')"
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}
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function __network_set_confip() {
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# initialiser la variable confip avec l'état de l'interface $1.
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# retourner 1 si l'interface n'a pas d'adresse ip associée
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local -a ipsuffixes
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array_from_lines ipsuffixes "$(ip addr show dev "$1" | awk '$1 == "inet" { print $2 }')"
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__network_set_gateway "$1"
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confip="$(network_format_confip "$iface" "$gateway" ipsuffixes)"
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[ "${#ipsuffixes[*]}" -gt 0 ]
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}
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function __network_set_confips() {
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local -a confips ifaces
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local iface
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array_from_lines ifaces "$(__network_valid_ifaces)"
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for iface in "${ifaces[@]}"; do
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__network_set_confip "$iface" || continue
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array_add confips "$confip"
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done
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array_copy __nsc_confips confips
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}
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function network_set_confips() {
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# initialiser le tableau $1(=confips) avec l'état des interfaces sur le
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# système courant
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local -a __nsc_confips
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__network_set_confips
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array_copy "${1:-confips}" __nsc_confips
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}
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function network_interfaces_check_confbr() {
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:
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}
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function network_interfaces_check_confip() {
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:
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}
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function network_interfaces_remove_iface() {
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:
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}
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function network_interfaces_add_confbr() {
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:
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}
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function network_interfaces_add_confip() {
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:
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}
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#XXX
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function __old_network_backup() {
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local file="$1"
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local backup="$file.orig$(date +%Y%m%d)"
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[ -f "$backup" ] || cat "$file" >"$backup" 2>/dev/null
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}
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function __old_network_hostname() {
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local hostname="${1%%.*}"
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[ -f /etc/hostname ] || touch /etc/hostname
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if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
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uecho "Setting /etc/hostname to $hostname"
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elif [ "$(</etc/hostname)" != "$hostname" ]; then
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__old_network_backup /etc/hostname
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if show_debug; then
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edebug "Setting /etc/hostname to $hostname"
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else
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estep /etc/hostname
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fi
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echo "$hostname" >/etc/hostname
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fi
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}
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function __old_network_mailname() {
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local host="$1"
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[ -f /etc/mailname ] || touch /etc/mailname
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if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
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uecho "Setting /etc/mailname to $host"
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elif [ "$(</etc/mailname)" != "$host" ]; then
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__old_network_backup /etc/mailname
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if show_debug; then
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edebug "Setting /etc/mailname to $host"
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else
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estep /etc/mailname
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fi
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echo "$host" >/etc/mailname
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fi
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}
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function __old_network_fix_exim4() {
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local host="$1" oldhost="$2"
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local tmpfile; ac_set_tmpfile tmpfile
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sed </etc/exim4/update-exim4.conf.conf >"$tmpfile" "
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/^dc_other_hostnames=/c\\
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dc_other_hostnames='$host'"
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if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
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if testdiff "$tmpfile" /etc/exim4/update-exim4.conf.conf; then
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uecho "Setting /etc/exim4/update-exim4.conf.conf to:"
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cat "$tmpfile" | sed 's/^/ /g' 1>&2
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else
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uecho "/etc/exim4/update-exim4.conf.conf: pas de modifications"
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fi
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elif testdiff "$tmpfile" /etc/exim4/update-exim4.conf.conf; then
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__old_network_backup /etc/exim4/update-exim4.conf.conf
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if show_debug; then
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|
edebug "Setting /etc/exim4/update-exim4.conf.conf to:"
|
|
cat "$tmpfile" | sed 's/^/ /g' 1>&2
|
|
else
|
|
estep /etc/exim4/update-exim4.conf.conf
|
|
fi
|
|
cat "$tmpfile" >/etc/exim4/update-exim4.conf.conf
|
|
update-exim4.conf
|
|
fi
|
|
ac_clean "$tmpfile"
|
|
}
|
|
|
|
function __old_network_fix_postfix() {
|
|
local host="$1" oldhost="$2"
|
|
local tmpfile; ac_set_tmpfile tmpfile
|
|
|
|
awkrun </etc/postfix/main.cf >"$tmpfile" host="$host" oldhost="$oldhost" '
|
|
/^myhostname *=/ { $0 = "myhostname = " host }
|
|
/^mydestination *=/ {
|
|
gsub(" *" oldhost " *,? *", "")
|
|
if ($0 !~ (" *" host " *,? *")) {
|
|
sub(/^mydestination *= */, "mydestination = " host ", ")
|
|
}
|
|
}
|
|
{ print }'
|
|
if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
|
|
if testdiff "$tmpfile" /etc/postfix/main.cf; then
|
|
uecho "Setting /etc/postfix/main.cf to:"
|
|
cat "$tmpfile" | sed 's/^/ /g' 1>&2
|
|
else
|
|
uecho "/etc/postfix/main.cf: pas de modifications"
|
|
fi
|
|
elif testdiff "$tmpfile" /etc/postfix/main.cf; then
|
|
__old_network_backup /etc/postfix/main.cf
|
|
if show_debug; then
|
|
edebug "Setting /etc/postfix/main.cf to:"
|
|
cat "$tmpfile" | sed 's/^/ /g' 1>&2
|
|
else
|
|
estep /etc/postfix/main.cf
|
|
fi
|
|
cat "$tmpfile" >/etc/postfix/main.cf
|
|
fi
|
|
ac_clean "$tmpfile"
|
|
}
|
|
|
|
function __old_network_hosts() {
|
|
local host="$1" hostname="${1%%.*}" ip="$2"
|
|
local shost="${host//./\\.}"
|
|
local tmpfile; ac_set_tmpfile tmpfile
|
|
awkrun </etc/hosts >"$tmpfile" host="$host" hostname="$hostname" ip="$ip" '
|
|
/^[^# \t]/ {
|
|
gsub("[ \\t]+" host "[ \\t]*", " ")
|
|
gsub("[ \\t]+" hostname "[ \\t]*", " ")
|
|
if ($0 ~ /^[^ \t]+[ \t]*$/) next
|
|
gsub(/[ \t]*$/, "")
|
|
}
|
|
{ print }'
|
|
local sip="${ip//./\\.}" shost="${host//./\\.}"
|
|
if ! quietgrep "^$sip[ $TAB]\\+$shost[ $TAB]\\+$hostname" "$tmpfile"; then
|
|
sed -i "/^$sip[ $TAB]/d" "$tmpfile"
|
|
sed -i "1i\\
|
|
$ip$TAB$host $hostname" "$tmpfile"
|
|
fi
|
|
|
|
if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
|
|
if testdiff "$tmpfile" /etc/hosts; then
|
|
uecho "Setting /etc/hosts to:"
|
|
cat "$tmpfile" | sed 's/^/ /g' 1>&2
|
|
else
|
|
uecho "/etc/hosts: pas de modifications"
|
|
fi
|
|
elif testdiff "$tmpfile" /etc/hosts; then
|
|
__old_network_backup /etc/hosts
|
|
if show_debug; then
|
|
edebug "Setting /etc/hosts to:"
|
|
cat "$tmpfile" | sed 's/^/ /g' 1>&2
|
|
else
|
|
estep /etc/hosts
|
|
fi
|
|
cat "$tmpfile" >/etc/hosts
|
|
fi
|
|
ac_clean "$tmpfile"
|
|
}
|
|
|
|
__DEBIAN_NETWORK_UPDATE_BASE_SCRIPT='
|
|
BEGIN {
|
|
method = "dhcp"
|
|
array_new(have_iface_hotplugs)
|
|
array_new(have_iface_autos)
|
|
array_new(have_iface_manuals)
|
|
array_new(ips)
|
|
array_new(suffixes)
|
|
array_new(gateways)
|
|
array_new(have_ip_ups)
|
|
array_new(have_ip_downs)
|
|
}
|
|
function indexof_iface(iface, i) {
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if (ifaces[i] == iface) {
|
|
return i
|
|
}
|
|
}
|
|
return 0
|
|
}
|
|
function indexof_ip(ip, i) {
|
|
for (i = 1; i <= ipspecs_count; i++) {
|
|
if (ips[i] == ip) {
|
|
return i
|
|
}
|
|
}
|
|
return 0
|
|
}
|
|
function get_netmask(suffix) {
|
|
if (suffix == 0) return "0.0.0.0"
|
|
else if (suffix == 8) return "255.0.0.0"
|
|
else if (suffix == 16) return "255.255.0.0"
|
|
else if (suffix == 24) return "255.255.255.0"
|
|
else if (suffix == 32) return "255.255.255.255"
|
|
else return suffix
|
|
}
|
|
function remove_hotplug_iface(iface, line) {
|
|
if (line == "") line = $0
|
|
if (line !~ / $/) line = line " "
|
|
gsub(" " iface " ", " ", line)
|
|
return line
|
|
}
|
|
function print_hotplug_iface(line) {
|
|
if (line ~ /^allow-hotplug *$/) {
|
|
# une seule interface sur la ligne: ne pas l"afficher
|
|
} else {
|
|
# supprimer l"interface de la ligne
|
|
sub(/ *$/, "", line)
|
|
print line
|
|
}
|
|
}
|
|
function remove_auto_iface(iface, line) {
|
|
if (line == "") line = $0 " "
|
|
gsub(" " iface " ", " ", line)
|
|
return line
|
|
}
|
|
function print_auto_iface(line) {
|
|
if (line ~ /^(allow-)?auto *$/) {
|
|
# une seule interface sur la ligne: ne pas l"afficher
|
|
} else {
|
|
# supprimer l"interface de la ligne
|
|
sub(/ *$/, "", line)
|
|
print line
|
|
}
|
|
}
|
|
'
|
|
__DEBIAN_NETWORK_UPDATE_BRIDGE_SCRIPT='
|
|
BEGIN {
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
have_iface_hotplugs[i] = 0
|
|
have_iface_autos[i] = 0
|
|
have_iface_manuals[i] = 0
|
|
}
|
|
for (i = 1; i <= ipspecs_count; i++) {
|
|
if (match(ipspecs[i], "^([^/]*)(/([^+]*))?(\\+(.*))?$", vs) != 0) {
|
|
ip = vs[1]
|
|
suffix = vs[3]
|
|
gateway = vs[5]
|
|
} else {
|
|
ip = ""
|
|
suffix = ""
|
|
gateway = ""
|
|
}
|
|
if (i == 1) {
|
|
if (ip == "dhcp") {
|
|
method = "dhcp"
|
|
} else {
|
|
method = "static"
|
|
mainip = ip
|
|
}
|
|
}
|
|
if (suffix == "") suffix = "24"
|
|
ips[i] = ip
|
|
suffixes[i] = suffix
|
|
gateways[i] = gateway
|
|
have_ip_ups[i] = i == 1
|
|
have_ip_downs[i] = i == 1
|
|
}
|
|
}
|
|
'
|
|
__DEBIAN_NETWORK_UPDATE_IFACE_SCRIPT='
|
|
BEGIN {
|
|
for (i = 1; i <= ipspecs_count; i++) {
|
|
if (match(ipspecs[i], "^([^/]*)(/([^+]*))?(\\+(.*))?$", vs) != 0) {
|
|
ip = vs[1]
|
|
suffix = vs[3]
|
|
gateway = vs[5]
|
|
} else {
|
|
ip = ""
|
|
suffix = ""
|
|
gateway = ""
|
|
}
|
|
if (i == 1) {
|
|
if (ip == "dhcp") {
|
|
method = "dhcp"
|
|
} else {
|
|
method = "static"
|
|
mainip = ip
|
|
}
|
|
}
|
|
if (suffix == "") suffix = "24"
|
|
ips[i] = ip
|
|
suffixes[i] = suffix
|
|
gateways[i] = gateway
|
|
have_ip_ups[i] = i == 1
|
|
have_ip_downs[i] = i == 1
|
|
}
|
|
}
|
|
'
|
|
|
|
function __old_network_update_bridge() {
|
|
# vérifier la configuration (interfaces de ifaces[@] en manual, présence du
|
|
# bridge, bridge en auto, adresse ip principale statique ou en dhcp,
|
|
# adresses ip supplémentaires), puis si nécessaire, supprimer l'ancienne
|
|
# configuration et créer la nouvelle.
|
|
local inf="$1"; shift
|
|
local outf="$1"; shift
|
|
awkrun <"$inf" -f iface="$1" ipspecs[@]="${2:-ipspecs}" ifaces[@]="${3:-ifaces}" '
|
|
BEGIN {
|
|
have_hotplug = 0
|
|
have_auto = 0
|
|
have_iface = 0
|
|
have_method = 0 # static ou dhcp
|
|
in_iface = 0
|
|
have_mainip = 0
|
|
}
|
|
'"
|
|
$__DEBIAN_NETWORK_UPDATE_BASE_SCRIPT
|
|
$__DEBIAN_NETWORK_UPDATE_BRIDGE_SCRIPT
|
|
"'
|
|
|
|
$1 == "iface" && $2 == iface && $3 == "inet" {
|
|
have_iface = 1
|
|
if (($0 " ") ~ (" " method " ")) have_method = 1
|
|
in_iface = 1
|
|
next
|
|
}
|
|
in_iface && ($0 " ") ~ "^[ \\t]*address " mainip " " { have_mainip = 1 }
|
|
in_iface && $0 ~ "^[ \\t]*up (/sbin/)?ip addr add " {
|
|
if (match($0, "ip addr add (.*)/.* dev " iface, vs) != 0) {
|
|
i = indexof_ip(vs[1])
|
|
if (i != 0) have_ip_ups[i] = 1
|
|
}
|
|
next
|
|
}
|
|
in_iface && $0 ~ "^[ \\t]*down (/sbin/)?ip addr del " {
|
|
if (match($0, "ip addr del (.*)/.* dev " iface, vs) != 0) {
|
|
i = indexof_ip(vs[1])
|
|
if (i != 0) have_ip_downs[i] = 1
|
|
}
|
|
next
|
|
}
|
|
$1 == "iface" {
|
|
i = indexof_iface($2)
|
|
if (i != 0 && $3 == "inet" && $4 == "manual") {
|
|
have_iface_manuals[i] = 1
|
|
}
|
|
in_iface = 0
|
|
next
|
|
}
|
|
$1 == "allow-hotplug" {
|
|
if (($0 " ") ~ (" " iface " ")) have_hotplug = 1
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if (($0 " ") ~ (" " ifaces[i] " ")) iface_have_hotplugs[i] = 1
|
|
}
|
|
in_iface = 0
|
|
next
|
|
}
|
|
$1 ~ /^(allow-)?auto$/ {
|
|
if (($0 " ") ~ (" " iface " ")) have_auto = 1
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if (($0 " ") ~ (" " ifaces[i] " ")) have_iface_autos[i] = 1
|
|
}
|
|
in_iface = 0
|
|
next
|
|
}
|
|
|
|
END {
|
|
check_hotplug = !have_hotplug
|
|
if (check_hotplug) for (i = 1; i <= ifaces_count; i++) {
|
|
if (iface_have_hotplugs[i]) {
|
|
check_hotplug = 0
|
|
break
|
|
}
|
|
}
|
|
check_auto = have_auto
|
|
if (check_auto) for (i = 1; i <= ifaces_count; i++) {
|
|
if (!have_iface_autos[i]) {
|
|
check_auto = 0
|
|
break
|
|
}
|
|
}
|
|
check_iface = have_iface && have_method && have_mainip
|
|
check_supplips = 1
|
|
for (i = 1; i <= ipspecs_count; i++) {
|
|
if (!have_ip_ups[i] || !have_ip_downs[i]) {
|
|
check_supplips = 0
|
|
break
|
|
}
|
|
}
|
|
|
|
if (!check_hotplug || !check_auto || !check_iface || !check_supplips) {
|
|
exit 1 # il faut refaire la configuration
|
|
}
|
|
exit 0 # tout est ok
|
|
}
|
|
' && return 1
|
|
|
|
# il faut refaire la configuration
|
|
awkrun <"$inf" >"$outf" -f iface="$1" ipspecs[@]="${2:-ipspecs}" ifaces[@]="${3:-ifaces}" '
|
|
BEGIN {
|
|
have_auto = 0
|
|
remove_auto = 0
|
|
array_new(remove_iface_autos)
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
remove_iface_autos[i] = 0
|
|
}
|
|
replace_conf = 1
|
|
in_iface = 0
|
|
found_iface = 0
|
|
remove_old_iface = 0
|
|
}
|
|
'"
|
|
$__DEBIAN_NETWORK_UPDATE_BASE_SCRIPT
|
|
$__DEBIAN_NETWORK_UPDATE_BRIDGE_SCRIPT
|
|
"'
|
|
function write_conf() {
|
|
replace_conf = 0
|
|
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
printed = 0
|
|
if (!have_iface_autos[i]) {
|
|
print "auto " ifaces[i]
|
|
printed = 1
|
|
}
|
|
if (!have_iface_manuals[i]) {
|
|
print "iface " ifaces[i] " inet manual"
|
|
printed = 1
|
|
}
|
|
if (printed) print ""
|
|
}
|
|
|
|
if (!have_auto) print "auto " iface
|
|
print "iface " iface " inet " method
|
|
if (ipspecs_count > 0 && method == "static") {
|
|
print " address " ips[1]
|
|
print " netmask " get_netmask(suffixes[1])
|
|
if (gateways[1] != "" && gateways[1] != ips[1]) {
|
|
print " gateway " gateways[1]
|
|
}
|
|
}
|
|
ports = " bridge_ports"
|
|
if (ifaces_count == 0) {
|
|
ports = ports " none"
|
|
} else {
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
ports = ports " " ifaces[i]
|
|
}
|
|
}
|
|
print ports
|
|
print " bridge_stp off"
|
|
print " bridge_fd 2"
|
|
print " bridge_maxwait 0"
|
|
serial = 0
|
|
for (i = 2; i <= ipspecs_count; i++) {
|
|
print " up ip addr add " ips[i] "/" suffixes[i] " dev " iface " label " iface ":" serial
|
|
print " down ip addr del " ips[i] "/" suffixes[i] " dev " iface " label " iface ":" serial
|
|
serial++
|
|
}
|
|
print ""
|
|
}
|
|
|
|
remove_old_iface && $1 == "iface" {
|
|
remove_old_iface = 0
|
|
}
|
|
!remove_old_iface && replace_conf && !in_iface && $1 == "iface" && $2 == iface && $3 == "inet" {
|
|
in_iface = 1
|
|
found_iface = 1
|
|
next
|
|
}
|
|
!remove_old_iface && $1 == "iface" {
|
|
in_iface = 0
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if ($2 == ifaces[i]) {
|
|
if ($3 == "inet" && $4 == "manual") {
|
|
have_iface_manuals[i] = 1
|
|
break
|
|
} else {
|
|
remove_old_iface = 1
|
|
}
|
|
}
|
|
}
|
|
if (replace_conf && found_iface) write_conf()
|
|
if (!remove_old_iface) print
|
|
next
|
|
}
|
|
$1 == "allow-hotplug" {
|
|
in_iface = 0
|
|
remove_old_iface = 0
|
|
if (replace_conf && found_iface) write_conf()
|
|
|
|
line = $0
|
|
if (($0 " ") ~ (" " iface " ")) line = remove_hotplug_iface(iface, line)
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if (($0 " ") ~ (" " ifaces[i] " ")) line = remove_hotplug_iface(ifaces[i], line)
|
|
}
|
|
print_hotplug_iface(line)
|
|
next
|
|
}
|
|
$1 ~ /(allow-)?auto/ {
|
|
in_iface = 0
|
|
remove_old_iface = 0
|
|
if (replace_conf && found_iface) write_conf()
|
|
|
|
line = $0
|
|
if (($0 " ") ~ (" " iface " ")) {
|
|
if (!remove_auto) {
|
|
have_auto = 1
|
|
remove_auto = 1
|
|
} else {
|
|
line = remove_auto_iface(iface, line)
|
|
}
|
|
}
|
|
for (i = 1; i <= ifaces_count; i++) {
|
|
if (($0 " ") ~ (" " ifaces[i] " ")) {
|
|
if (!remove_iface_autos[i]) {
|
|
have_iface_autos[i] = 1
|
|
remove_iface_autos[i] = 1
|
|
} else {
|
|
line = remove_auto_iface(ifaces[i], line)
|
|
}
|
|
}
|
|
}
|
|
print_auto_iface(line)
|
|
next
|
|
}
|
|
{ print }
|
|
END {
|
|
if (replace_conf) write_conf()
|
|
}
|
|
'
|
|
return 0
|
|
}
|
|
|
|
function __old_network_update_iface() {
|
|
# vérifier la configuration (présence de l'interface, interface en auto,
|
|
# adresse ip principale statique ou en dhcp, adresses ip supplémentaires),
|
|
# puis si nécessaire, supprimer l'ancienne configuration et créer la
|
|
# nouvelle.
|
|
local inf="$1"; shift
|
|
local outf="$1"; shift
|
|
awkrun <"$inf" -f iface="$1" ipspecs[@]="${2:-ipspecs}" '
|
|
BEGIN {
|
|
have_hotplug = 0
|
|
have_auto = 0
|
|
have_iface = 0
|
|
have_method = 0 # static ou dhcp
|
|
in_iface = 0
|
|
have_mainip = 0
|
|
}
|
|
'"
|
|
$__DEBIAN_NETWORK_UPDATE_BASE_SCRIPT
|
|
$__DEBIAN_NETWORK_UPDATE_IFACE_SCRIPT
|
|
"'
|
|
|
|
$1 == "iface" && $2 == iface && $3 == "inet" {
|
|
have_iface = 1
|
|
if (($0 " ") ~ (" " method " ")) have_method = 1
|
|
in_iface = 1
|
|
next
|
|
}
|
|
in_iface && ($0 " ") ~ "^[ \\t]*address " mainip " " { have_mainip = 1 }
|
|
in_iface && $0 ~ "^[ \\t]*up (/sbin/)?ip addr add " {
|
|
if (match($0, "ip addr add (.*)/.* dev " iface, vs) != 0) {
|
|
i = indexof_ip(vs[1])
|
|
if (i != 0) have_ip_ups[i] = 1
|
|
}
|
|
next
|
|
}
|
|
in_iface && $0 ~ "^[ \\t]*down (/sbin/)?ip addr del " {
|
|
if (match($0, "ip addr del (.*)/.* dev " iface, vs) != 0) {
|
|
i = indexof_ip(vs[1])
|
|
if (i != 0) have_ip_downs[i] = 1
|
|
}
|
|
next
|
|
}
|
|
$1 == "iface" {
|
|
in_iface = 0
|
|
next
|
|
}
|
|
$1 == "allow-hotplug" {
|
|
if (($0 " ") ~ (" " iface " ")) have_hotplug = 1
|
|
in_iface = 0
|
|
next
|
|
}
|
|
$1 ~ /^(allow-)?auto$/ {
|
|
if (($0 " ") ~ (" " iface " ")) have_auto = 1
|
|
in_iface = 0
|
|
next
|
|
}
|
|
|
|
END {
|
|
check_hotplug = !have_hotplug
|
|
check_auto = have_auto
|
|
check_iface = have_iface && have_method && have_mainip
|
|
check_supplips = 1
|
|
for (i = 1; i <= ipspecs_count; i++) {
|
|
if (!have_ip_ups[i] || !have_ip_downs[i]) {
|
|
check_supplips = 0
|
|
break
|
|
}
|
|
}
|
|
|
|
if (!check_hotplug || !check_auto || !check_iface || !check_supplips) {
|
|
exit 1 # il faut refaire la configuration
|
|
}
|
|
exit 0 # tout est ok
|
|
}
|
|
' && return 1
|
|
|
|
# il faut refaire la configuration
|
|
awkrun <"$inf" >"$outf" -f iface="$1" ipspecs[@]="${2:-ipspecs}" '
|
|
BEGIN {
|
|
have_auto = 0
|
|
remove_auto = 0
|
|
replace_conf = 1
|
|
in_iface = 0
|
|
found_iface = 0
|
|
}
|
|
'"
|
|
$__DEBIAN_NETWORK_UPDATE_BASE_SCRIPT
|
|
$__DEBIAN_NETWORK_UPDATE_IFACE_SCRIPT
|
|
"'
|
|
function write_conf() {
|
|
replace_conf = 0
|
|
if (!have_auto) print "auto " iface
|
|
print "iface " iface " inet " method
|
|
if (ipspecs_count > 0 && method == "static") {
|
|
print " address " ips[1]
|
|
print " netmask " get_netmask(suffixes[1])
|
|
if (gateways[1] != "" && gateways[1] != ips[1]) {
|
|
print " gateway " gateways[1]
|
|
}
|
|
}
|
|
serial = 0
|
|
for (i = 2; i <= ipspecs_count; i++) {
|
|
print " up ip addr add " ips[i] "/" suffixes[i] " dev " iface " label " iface ":" serial
|
|
print " down ip addr del " ips[i] "/" suffixes[i] " dev " iface " label " iface ":" serial
|
|
serial++
|
|
}
|
|
print ""
|
|
}
|
|
|
|
($0 " ") ~ ("^allow-hotplug.* " iface " ") { print_hotplug_iface(remove_hotplug_iface(iface)); next; }
|
|
!remove_auto && ($0 " ") ~ ("^(allow-)?auto.* " iface " ") { have_auto = 1; remove_auto = 1; next; }
|
|
remove_auto && ($0 " ") ~ ("^(allow-)?auto.* " iface " ") { print_auto_iface(remove_auto_iface(iface)); next; }
|
|
replace_conf && !in_iface && $0 ~ ("^iface " iface " inet ") { in_iface = 1; found_iface = 1; next; }
|
|
replace_conf && found_iface && in_iface && $0 ~ "^iface " { print; in_iface = 0; write_conf(); next; }
|
|
{ print }
|
|
END {
|
|
if (replace_conf) write_conf()
|
|
}
|
|
'
|
|
return 0
|
|
}
|
|
|
|
function network_config() {
|
|
# (Re)configurer le réseau sur l'hôte courant.
|
|
# $1 (host) est le nom d'hôte.
|
|
# $2 (confips) est le nom d'un tableau contenant la configuration des
|
|
# adresses ips pour les interfaces.
|
|
# $3 (confbrs) est le nom d'un tableau contenant la configuration des
|
|
# bridges à créer/mettre à jour.
|
|
# $4 (mainiface) est le nom de l'interface principale, c'est à dire
|
|
# l'interface qui est sélectionnée si une adresse ip n'est pas préfixée de
|
|
# son interface. En principe, l'interface principale est le premier bridge
|
|
# défini ou la première interface définie.
|
|
# $5 (reset_interfaces) spécifie de ne pas chercher à mettre à jour le
|
|
# fichier /etc/network/interfaces, mais de le recréer depuis zéro.
|
|
# Si un des arguments n'est pas spécifié, il est ignoré.
|
|
# Le tableau confips doit contenir des définitions d'une des formes
|
|
# suivantes:
|
|
# [iface:]address[/suffix][+gateway],...
|
|
# [iface:]dhcp
|
|
# La deuxième forme est pour spécifier qu'une interface est configurée par
|
|
# DHCP. iface vaut par défaut eth0, sauf si une définition de bridge
|
|
# existe, auquel cas il s'agit du premier bridge défini. Pour chaque
|
|
# interface, seule la première spécification d'adresse IP tient compte de
|
|
# l'argument gateway. Les autres spécifications définissent des adresses IP
|
|
# supplémentaires pour l'interface.
|
|
# Le tableau brs doit contenir des définitions de la forme suivante:
|
|
# br:ifaces,...
|
|
# br est le nom du bridge, e.g. br0. ifaces est une liste d'interfaces
|
|
# séparées par une virgule. e.g. br0:eth0,eth1
|
|
# Bien que ce soit techniquement possible, ce script interdit que l'on
|
|
# définisse une adresse IP pour une interface faisant partie d'un bridge.
|
|
urequire ipcalc conf
|
|
|
|
local -a __nc_confips __nc_confbrs
|
|
[ -n "$2" ] && array_copy __nc_confips "$2"
|
|
[ -n "$3" ] && array_copy __nc_confbrs "$3"
|
|
|
|
local host="$1" mainiface="$4" reset_interfaces="$5"
|
|
local -a confips confbrs
|
|
array_copy confips __nc_confips
|
|
array_copy confbrs __nc_confbrs
|
|
|
|
__old_network_fix_confips confips
|
|
__old_network_fix_confbrs confbrs
|
|
|
|
local mainbr # bridge principal
|
|
local mainip # adresse IP principale de l'interface principale
|
|
local confbr confip br iface suffix gateway
|
|
local -a ipspecs
|
|
|
|
__old_network_resolve_mainiface mainiface "${confbrs[0]}" "${confips[0]}"
|
|
__old_network_parse_confbr "${confbrs[0]}" mainbr
|
|
[ -n "$mainbr" ] || mainbr=br0
|
|
|
|
if [ -n "${confips[*]}" -o -n "${confbrs[*]}" ]; then
|
|
# Vérifier qu'une interface avec une adresse IP ne figure pas dans les
|
|
# bridges à configurer. en profiter pour classer les interfaces par
|
|
# type: standard et bridges
|
|
etitle "Configuration des interfaces réseau"
|
|
|
|
local -a ifaces_with_ips ifaces
|
|
local -a brifaces
|
|
ifaces_with_ips=()
|
|
for confip in "${confips[@]}"; do
|
|
__old_network_parse_confip "$confip" iface
|
|
array_addu ifaces_with_ips "$iface"
|
|
done
|
|
for confbr in "${confbrs[@]}"; do
|
|
__old_network_parse_confbr "$confbr" br ifaces
|
|
array_add brifaces "$br"
|
|
for iface in "${ifaces[@]}"; do
|
|
if array_contains ifaces_with_ips "$iface"; then
|
|
eerror "$iface: Impossible de configurer une interface dans un bridge ET avec une adresse IP"
|
|
return 1
|
|
fi
|
|
done
|
|
done
|
|
local -a confstdips confbrips
|
|
for confip in "${confips[@]}"; do
|
|
__old_network_parse_confip "$confip" iface
|
|
[ -n "$iface" ] || iface="$mainiface"
|
|
if array_contains brifaces "$iface"; then
|
|
array_add confbrips "$confip"
|
|
else
|
|
array_add confstdips "$confip"
|
|
fi
|
|
done
|
|
|
|
# maintenant, configurer /etc/network/interfaces: faire une copie de travail
|
|
local interfaces workfile
|
|
ac_set_tmpfile interfaces
|
|
ac_set_tmpfile workfile
|
|
cat /etc/network/interfaces >"$interfaces"
|
|
|
|
if [ -n "$reset_interfaces" ]; then
|
|
echo >"$interfaces" "\
|
|
# This file describes the network interfaces available on your system
|
|
# and how to activate them. For more information, see interfaces(5).
|
|
|
|
# The loopback network interface
|
|
auto lo
|
|
iface lo inet loopback
|
|
"
|
|
fi
|
|
|
|
# configurer chaque bridge
|
|
local -a tmpifaces
|
|
local tmpbr
|
|
for confip in "${confbrips[@]}"; do
|
|
__old_network_parse_confip "$confip" br ipspecs
|
|
[ -n "$br" ] || br="$mainbr"
|
|
|
|
if [ -z "$mainip" -a "$br" == "$mainiface" ]; then
|
|
__old_network_parse_ipspec "${ipspecs[0]}" mainip suffix gateway
|
|
fi
|
|
|
|
ifaces=()
|
|
for confbr in "${confbrs[@]}"; do
|
|
__old_network_parse_confbr "$confbr" tmpbr tmpifaces
|
|
if [ "$tmpbr" == "$br" ]; then
|
|
array_copy ifaces tmpifaces
|
|
break
|
|
fi
|
|
done
|
|
|
|
if __old_network_update_bridge "$interfaces" "$workfile" "$br" ipspecs ifaces; then
|
|
cat "$workfile" >"$interfaces"
|
|
fi
|
|
done
|
|
|
|
# configurer chaque interface classique
|
|
for confip in "${confstdips[@]}"; do
|
|
__old_network_parse_confip "$confip" iface ipspecs
|
|
[ -n "$iface" ] || iface="$mainiface"
|
|
|
|
if [ -z "$mainip" -a "$iface" == "$mainiface" ]; then
|
|
__old_network_parse_ipspec "${ipspecs[0]}" mainip suffix gateway
|
|
fi
|
|
|
|
if __old_network_update_iface "$interfaces" "$workfile" "$iface" ipspecs; then
|
|
cat "$workfile" >"$interfaces"
|
|
fi
|
|
done
|
|
|
|
# Fin de traitement
|
|
if [ -n "$__DEBIAN_NETWORK_DEVEL_SHOW_MODIFS" ]; then
|
|
if testdiff "$interfaces" /etc/network/interfaces; then
|
|
uecho "Setting /etc/network/interfaces to:"
|
|
cat "$interfaces" | sed 's/^/ /g' 1>&2
|
|
else
|
|
uecho "/etc/network/interfaces: pas de modifications"
|
|
fi
|
|
elif testdiff "$interfaces" /etc/network/interfaces; then
|
|
__old_network_backup /etc/network/interfaces
|
|
if show_debug; then
|
|
edebug "Setting /etc/network/interfaces to:"
|
|
cat "$interfaces" | sed 's/^/ /g' 1>&2
|
|
else
|
|
estep /etc/network/interfaces
|
|
fi
|
|
cat "$interfaces" >/etc/network/interfaces
|
|
fi
|
|
ac_clean "$interfaces" "$workfile"
|
|
|
|
eend
|
|
fi
|
|
|
|
# configurer le nom d'hôte
|
|
if [ -n "$host" ]; then
|
|
host="$(ipcalc_fqdn_maybe "$host")"
|
|
etitle "Configuration du nom d'hôte: $host"
|
|
|
|
# si on ne spécifie pas l'adresse ip principale, la résoudre ici. ceci
|
|
# est nécessaire pour mettre à jour /etc/hosts
|
|
if [ "$mainip" == dhcp ]; then
|
|
# si l'adresse obtenue est en DHCP, ne pas mettre à jour /etc/hosts
|
|
mainip=
|
|
elif [ -z "$mainip" ]; then
|
|
local -a mainips
|
|
resolv_ips mainips "$host"
|
|
[ -n "${mainips[*]}" ] || {
|
|
eerror "$host: Impossible de résoudre ce nom d'hôte"
|
|
return 1
|
|
}
|
|
mainip="${mainips[0]}"
|
|
fi
|
|
|
|
__old_network_hostname "$host"
|
|
__old_network_mailname "$host"
|
|
if [ -n "$mainip" ]; then
|
|
__old_network_hosts "$host" "$mainip"
|
|
fi
|
|
|
|
eend
|
|
fi
|
|
|
|
return 0
|
|
}
|