108 lines
2.7 KiB
Bash
Executable File
108 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
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source "$(dirname "$0")/lib/ulib/ulib"
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urequire DEFAULTS ipcalc
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if [ $# -eq 1 -a "$1" == "--help" ]; then
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exit_with uecho "$scriptname: Faire une connexion ssh en utilisant l'exécutable approprié au réseau source et destination
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USAGE
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$scriptname [user@]host"
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fi
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# fonctions de support
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function match_network() {
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local ip="$1" network="$2"
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local -a includes excludes domains
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local spec
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array_copy includes "${network}_INCLUDES"
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array_copy excludes "${network}_EXCLUDES"
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array_copy domains "${network}_DOMAINS"
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if ipcalc_checkip "$ip" >/dev/null; then
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for spec in "${excludes[@]}"; do
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if ipcalc_match "$ip" "$spec"; then
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return 1
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fi
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done
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for spec in "${includes[@]}"; do
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if ipcalc_match "$ip" "$spec"; then
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return 0
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fi
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done
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else
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for spec in "${domains[@]}"; do
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[[ "$ip" == *."$spec" ]] && return 0
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done
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fi
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return 1
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}
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# paramètres de l'environnement
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DO=
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if [ "$1" == --debug ]; then
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# Activer le mode DEBUG
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shift
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set_verbosity -D
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elif [ "$1" == --trace ]; then
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# Activer le mode DEBUG
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shift
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set_verbosity -D
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TRACE=1
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DO=qvals
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fi
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NETWORKS=()
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RULES=()
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set_defaults mssh
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# déterminer d'où l'on vient
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from=
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array_from_lines myips "$(ip addr | awk '$1 == "inet" { gsub(/\/.*/, "", $2); print $2 }')"
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for network in "${NETWORKS[@]}"; do
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for myip in "${myips[@]}"; do
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if match_network "$myip" "$network"; then
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from="$network"
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break
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fi
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done
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[ -n "$from" ] && break
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done
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edebug "FROM: ${from:-ANY} (${myips[*]})"
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# analyser la ligne de commande
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vars="$("$scriptdir/ussh" --parse "$@")" || exit 1
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[ -n "$TRACE" ] && echo "$vars"
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eval "$vars"
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for userhost in "${hosts[@]}"; do
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# déterminer où l'on veut aller
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splituserhost "$userhost" user host
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to=
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for network in "${NETWORKS[@]}"; do
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if match_network "$host" "$network"; then
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to="$network"
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break
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fi
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done
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edebug "TO: ${to:-ANY} ($host)"
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# Sélectionner la commande ssh à utiliser
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found=
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for rule in "${RULES[@]}"; do
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splitfsep "$rule" : rfrom rule2
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splitfsep "$rule2" : rto rssh
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if [ \( -z "$rfrom" -o "$from" == "$rfrom" \) -a \
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\( -z "$rto" -o "$to" == "$rto" \) ]; then
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found=1
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$DO ${exec:+exec} "$rssh" "${options[@]}" "$userhost" "${args[@]}"
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break
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fi
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done
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if [ -z "$found" ]; then
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$DO ${exec:+exec} "$ssh" "${options[@]}" "$userhost" "${args[@]}"
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fi
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done
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