yannstatic/static/2019/12/17/Fedora-QEMU-installer-un-pont-pour-acces-illimite-au-reseau.html

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<article itemscope itemtype="http://schema.org/Article"><div class="article__header"><header><h1 style="color:Tomato;">KVM/QEMU Fedora ,installer un pont pour un accès illimité au réseau</h1></header></div><meta itemprop="headline" content="KVM/QEMU Fedora ,installer un pont pour un accès illimité au réseau"><div class="article__info clearfix"><ul class="left-col menu"><li>
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<i class="far fa-calendar-alt"></i>&nbsp;<span title="Création" style="color:#FF00FF">17&nbsp;déc.&nbsp;&nbsp;2019</span></li></ul></div><meta itemprop="datePublished" content="2019-12-17T00:00:00+01:00">
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<summary><b>Afficher/cacher Sommaire</b></summary>
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</details><h2 id="qemu">Qemu</h2>
<p><img src="/images/Qemu_logo.png" alt="qemu" /></p>
<p>Article original <a href="https://doc.fedora-fr.org/wiki/QEMU_:_installer_un_pont_pour_un_acc%C3%A8s_illimit%C3%A9_au_r%C3%A9seau">“QEMU : installer un pont pour un accès illimité au réseau”</a> issu de la communauté francophone de Fedora</p>
<h3 id="pré-requis">Pré-requis</h3>
<ul>
<li>Convention :
<ul>
<li>les lignes de commande qui débutent par le caractère # sont à saisir par le root</li>
<li>les lignes de commande qui débutent par le caractère $ sont à saisir par lutilisateur</li>
</ul>
</li>
<li>le paquetage bridge-utils : si absent, linstaller par la commande :<br />
<code class="language-plaintext highlighter-rouge"># yum install bridge-utils</code></li>
<li>linterface VTUN : normalement installée de base avec FC4.</li>
<li>lutilitaire sudo : normalement installé de base avec FC4</li>
<li>les paquetages de QEMU maintenus par Thomas Chung :
<ul>
<li>suivre les liens disponibles sur http://fedoranews.org/tchung/qemu/ pour télécharger les rpms adaptés à notre version du noyau.</li>
<li>Nous avons besoin de kernel-module-qemu-??? et de qemu-???.</li>
<li>
<p>Ensuite, installer en une seule fois les 2 paquetages par la commande :<br />
<code class="language-plaintext highlighter-rouge"># rpm -ivh kernel-module-qemu-0.7.2-4.fc4.2.6.13_1.1532_FC4.i386.rpm qemu-0.7.2-4.fc4.2.6.13_1.1532_FC4.i386.rpm</code></p>
</li>
<li>Cet exemple est fourni pour la version 0.7.2 de QEMU et le noyau 2.6.13_1.1352_FC4</li>
<li>Cette manipulation sera à refaire à chaque changement de version du noyau.</li>
<li>Avis aux amateurs et impatients, Thomas Chung explique aussi sur son site comment créer ses propres paquetages à partir des sources de Fabrice Bellard.</li>
</ul>
</li>
</ul>
<h2 id="lenvironnement-dexploitation">Lenvironnement dexploitation</h2>
<h3 id="linterface-vtun">Linterface VTUN</h3>
<ul>
<li>Pour communiquer avec le monde extérieur à travers le noyau de Fedora, un PC virtualisé par QEMU utilise une interface réseau VTUN, qui, une fois initialisée, sappelle tun0 ou tun1 soit, génériquement, tunx.</li>
<li>La machine virtuelle accède normalement au réseau via son périphérique Ethernet (émulé), QEMU fait alors apparaître les trames à la sortie de tunx et le noyau Linux les récupère pour routage (vers le monde extérieur) ou broutage (néologisme intéressant qui signifie « routage vers un autre port du pont »). Dans le sens inverse, tout ce qui concerne le PC émulé est dirigé sur linterface tunx, et QEMU fait croire au PC virtuel que tout arrive sur son équipement réseau. Magique, nest ce pas ?</li>
<li>QEMU est serviable : il se charge de créer et de supprimer linterface tunx mais nous laisse la possibilité de la paramétrer à travers le fichier /etc/qemu-ifup. En tant que root, rédigeons ce fichier de la façon suivante :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code> <span class="c">#!/bin/bash</span>
<span class="nb">sudo </span>env-qemu add <span class="nv">$1</span>
</code></pre></div></div>
<p>(nous verrons pourquoi au paragraphe “Le script”) puis, rendons-le exécutable par la commande :</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code> <span class="c"># chmod a+x /etc/qemu-ifup</span>
</code></pre></div></div>
<h3 id="le-pont">Le pont</h3>
<ul>
<li>Sur la machine hôte Fedora Core 4, nous allons installer un pont réseau dont la transparence permet notamment la transmission des trames de diffusion générale (broadcast) indispensables à certains protocoles comme DHCP (sinon, cest le serveur DHCP intégré à QEMU qui répond) ou laccès aux réseaux Windows, ….</li>
<li>Un pont rassemble plusieurs interfaces réseau derrière un point de communication unique.</li>
<li>Le pont ne connaît que le protocole ARP ce qui permet de faire transiter toute trame Ethernet quel que soit son contenu (IPV4, NETBEUI, IPX, …) et sa destination :
<ul>
<li>le réseau local auquel le PC hôte est connecté, quelle que soit linterface interne émettrice (un « port » du pont)</li>
<li>linterface réseau du système hôte Fedora Core 4 sur sa propre adresse IP</li>
<li>linterface réseau du PC virtuel disposant aussi de sa propre adresse IP</li>
</ul>
</li>
</ul>
<h3 id="la-mémoire-partagée">La mémoire partagée</h3>
<ul>
<li>La mémoire RAM de la machine virtuelle est prélevée par QEMU dans lespace mémoire partagé mis à disposition par FC4 (voir paramétrage shm dans /etc/fstab).</li>
<li>Les valeurs par défaut étant assez restrictives, le script dinitialisation met en place une réserve mémoire de 512 MO, et il est de votre responsabilité de vérifier que cette valeur - ou celle que vous choisirez - ne dépasse pas les capacités de votre machine.</li>
<li>Pour obtenir les meilleures performances, nutilisez que de la mémoire vive (éventuellement, investissez dans une barrette de RAM).</li>
</ul>
<h3 id="le-script">Le script</h3>
<ul>
<li>Lensemble du paramétrage se fera à laide dun script unique : /usr/local/bin/env-qemu.</li>
<li>Nous confions à root le soin de le rédiger ainsi (là, on fait chauffer le copier-coller) :</li>
</ul>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>#!/bin/bash
# Mise en place d'un environnement d'exécution d'une machine
# virtuelle sous QEMU pour partage de la connexion réseau
# avec une une machine hôte sous FC4.
# Valeurs par défaut (changez pour vos propres valeurs)
IP_ROUTEUR=192.168.1.1
IP_HOTE=192.168.1.31
IF_HOTE=eth0
PONT=lepont
# Fonction de mise en place du pont
start () {
if [ -n "$1" ]; then
IF_HOTE=$1
shift
fi
set $(/sbin/ifconfig | grep $IF_HOTE) &gt;/dev/null
if [ -z "$1" ]; then
echo "Interface réseau $IF_HOTE non trouvée."
exit 1
fi
shift $(($# - 1))
echo "Utilisation de l'interface" $IF_HOTE
# Met en place l'adresse de la passerelle
set $(/sbin/route | grep default) &gt;/dev/null 2&gt;&amp;1
if [ -n "$2" ]; then
IP_ROUTEUR=$2
shift $(($# - 1))
fi
echo "Adresse passerelle =" $IP_ROUTEUR
#Récupère l'adresse IP de l'interface réseau
set $(/sbin/ip addr show $IF_HOTE | grep inet) &gt;/dev/null 2&gt;&amp;1
if [ -n "$2" ]; then
IP_HOTE=$2
fi
echo "Adresse du pont =" $IP_HOTE
# Donne accès à tous sur l'interface VTUN
/bin/chmod 666 /dev/net/tun
# Création et paramétrage du pont
/usr/sbin/brctl addbr $PONT
/sbin/ifconfig $IF_HOTE 0.0.0.0
/bin/sleep 2
/usr/sbin/brctl addif $PONT $IF_HOTE
/sbin/ifconfig $PONT $IP_HOTE
/sbin/route add default gw $IP_ROUTEUR
# Paramétrage de l'espace mémoire partagée
/bin/umount /dev/shm
/bin/mount -t tmpfs -o size=512m none /dev/shm
}
# Ajout d'une interface sur le pont en place
add () {
/sbin/ifconfig $1 0.0.0.0
/usr/sbin/brctl addif $PONT $1
}
# Arrêt et suppression du pont puis restauration du réseau initial
stop () {
if [ -n "$1" ]; then
IF_HOTE=$1
fi
TESTPONT=$(/sbin/ifconfig | grep $PONT)
if [ -z "$TESTPONT" ]; then
echo "Attention : pont réseau non trouvé. Vérifier la config réseau ..."
exit 1
fi
/usr/sbin/brctl delif $PONT $IF_HOTE
/sbin/ifconfig $PONT down
/usr/sbin/brctl delbr $PONT
/bin/umount /dev/shm
/bin/mount /dev/shm
/sbin/service network restart
}
# Point dentrée du script
case $1 in
start)
start $2
;;
stop)
stop $2
;;
add)
add $2
;;
*)
echo $"Utilisation: env-qemu {start|add|stop} [interface]"
exit 1
esac
exit 0
</code></pre></div></div>
<ul>
<li>sans oublier de le rendre exécutable par la commande :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># chmod u+x /usr/local/bin/env-qemu</span>
</code></pre></div></div>
<ul>
<li>A travers ce script, le pont peut être :
<ul>
<li>activé (« start ») avec mise en place dun environnement dexploitation,</li>
<li>modifié par ajout dune interface (paramètre « add » qui sera utilisé par le script /etc/qemu-ifup),</li>
<li>arrêté (« stop ») avec remise en place de lenvironnement initial.</li>
</ul>
</li>
<li>Par défaut, le script crée le pont sur linterface eth0 : il est cependant possible de choisir toute autre interface opérationnelle en lindiquant comme second paramètre. Exemple de commande :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code> <span class="nv">$ </span><span class="nb">sudo </span>env-qemu start wlan0
</code></pre></div></div>
<ul>
<li>Avec loption « add », le script reçoit un second paramètre qui nest autre que le nom de linterface VTUN fraîchement créée par QEMU (exemple : tun0).</li>
</ul>
<h3 id="les-droits-dexécution">Les droits dexécution</h3>
<ul>
<li>Il est nécessaire de donner aux utilisateurs le droit dexécution pour linterface VTUN. Le script /usr/local/bin/env-qemu sen charge à travers la ligne :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code> <span class="c"># Donne accès à tous sur l'interface VTUN</span>
/bin/chmod 666 /dev/net/tun
</code></pre></div></div>
<ul>
<li>Lutilisateur de QEMU doit aussi disposer des droits dexécution sur le script /usr/local/bin/env-qemu : ce script appartenant à root et comportant des commandes qui lui sont propres, nous allons devoir utiliser sudo.</li>
<li>A laide de loutil graphique « system-config-users » également accessible par loption « Utilisateurs et groupes » situé dans le menu « Paramètres de système », le root crée un groupe « qemu » et y insére les utilisateurs concernés.</li>
<li>Ceci étant fait, nous indiquons à sudo que le groupe « qemu » a le droit dexécuter le fameux script de root en insérant la ligne suivante dans le fichier /etc/sudoers (édition à faire sous root) :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code> %qemu <span class="nv">ALL</span><span class="o">=</span>NOPASSWD:/usr/local/bin/env-qemu
</code></pre></div></div>
<h2 id="lancement-de-qemu">Lancement de QEMU</h2>
<p>Roulements de tambours, nous arrivons maintenant au moment important.</p>
<h3 id="démarrage-manuel">Démarrage manuel</h3>
<p>Exemple : démarrer une session QEMU dans notre environnement dexploitation sur mesure pour installation dun OS sur un disque dur émulé.
Ce premier démarrage se fait en 4 temps :</p>
<ul>
<li>création du fichier image du disque dur émulé (taille = 3 Go)</li>
<li>mise en place de lenvironnement dexploitation de QEMU</li>
<li>démarrage de la session QEMU avec les paramètres suivants :
<ul>
<li>le disque dur émulé est stocké dans le fichier dsl.dsk</li>
<li>le lecteur de CD-ROM émulé lit limage ISO dun CD dinstallation de DSL (une distri Linux)</li>
<li>utilisation de lhorloge du PC hôte</li>
<li>simulation du boot du PC émulé depuis le lecteur de CD-ROM émulé</li>
<li>mémoire RAM du PC émulé = 416 Mo</li>
</ul>
</li>
<li>restauration de lenvironnement initial quand la session QEMU est terminée
Voici la trace obtenue dans un terminal :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>moi@tapioca ~]<span class="nv">$ </span>qemu-img create dsl.dsk 3G
Formating <span class="s1">'dsl.dsk'</span>, <span class="nb">fmt</span><span class="o">=</span>raw, <span class="nv">size</span><span class="o">=</span>3145728 kB
<span class="o">[</span>moi@tapioca ~]<span class="nv">$ </span><span class="nb">sudo </span>env-qemu start
Utilisation de l<span class="s1">'interface eth0
Adresse passerelle = 192.168.1.1
Adresse du pont = 192.168.1.31/24
[moi@tapioca ~]$ qemu -hda dsl.dsk -cdrom dsl-1.5.iso -localtime -boot d -m 416
connected to host network interface: tun0
[moi@tapioca ~]$ sudo env-qemu stop
Arrêt de l'</span>interface eth0 : <span class="o">[</span> OK <span class="o">]</span>
Arrêt de l<span class="s1">'interface de loopback : [ OK ]
Activation de l'</span>interface loopback : <span class="o">[</span> OK <span class="o">]</span>
Activation de l<span class="s1">'interface eth0 : [ OK ]
[moi@tapioca ~]$
</span></code></pre></div></div>
<h3 id="démarrage-simplifié">Démarrage simplifié</h3>
<ul>
<li>Pour soulager lexploitation quotidienne, il est possible de rédiger (et personnaliser) un tout petit script.</li>
<li>Chaque utilisateur concerné peut donc créer/adapter un fichier « emule_pc » dans son répertoire de base à partir de la trame suivante :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c">#!/bin/bash</span>
<span class="nb">sudo </span>env-qemu start
qemu <span class="nt">-hda</span> ~/dsl.dsk <span class="nt">-localtime</span> <span class="nt">-m</span> 416
<span class="nb">sudo </span>env-qemu stop
</code></pre></div></div>
<ul>
<li>et, bien entendu, le rendre exécutable par la commande :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span><span class="nb">chmod </span>u+x ~/emule_pc
</code></pre></div></div>
<ul>
<li>Installer le pont, le configurer, paramétrer la mémoire partagée, démarrer QEMU, tout remettre en létat se fait désormais par la simple commande utilisateur :</li>
</ul>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nv">$ </span>~/emule_pc
</code></pre></div></div>
<ul>
<li>Il est même possible de créer un lanceur personnalisé dans le tableau de bord de Gnome pour ne plus avoir à passer par la ligne de commande : bref, le luxe !</li>
</ul>
<h2 id="remarques">Remarques</h2>
<ul>
<li>QEMU ne fournit pas démulation pour limprimante.
<ul>
<li>Sur le PC émulé, avec un OS disposant du protocole IPP (voir le site de Microsoft pour W98SE et WME), il est aisé dutiliser nimporte laquelle des imprimantes du réseau y compris celle du PC hôte, dès lors quelle est partagée sous CUPS.</li>
<li>Pour Windows, définir alors une imprimante réseau à ladresse http://IP_du_PC_avec_imprimante:631/printers/nom_CUPS_de_l_imprimante</li>
</ul>
</li>
<li>Actuellement, lémulation lecteur de CD-ROM de QEMU ne gère pas les supports gravés en multi-session.</li>
<li>Toutes les interfaces réseau WiFi ne supportent pas le bridge : en ce qui me concerne, jai utilisé sans difficulté une carte PCI avec puce et pilote Ralink RT2500.</li>
<li>Les attributs du fichiers /dev/net/tun sont parfois modifiés sans que je sache vraiment pourquoi : QEMU ne peut donc plus créer le périphérique VTUN, laissant la machine émulée sans accès réseau. Jai remarqué que cela ne se produisait pas quand les commandes senchaînaient assez vite : utilisez de préférence le script ~/emule-pc.</li>
</ul>
<h2 id="documentation">Documentation</h2>
<ul>
<li><a href="http://fabrice.bellard.free.fr/qemu/">Le site de QEMU</a></li>
<li><a href="http://fedoranews.org/tchung/qemu/">Le site de Thomas Chung</a></li>
<li><a href="http://vtun.sourceforge.net/tun/">Le site de linterface VTUN</a></li>
<li><a href="http://bridge.sourceforge.net/">Le site de référence sur le bridge</a></li>
<li><a href="http://ebtables.sourceforge.net/br_fw_ia/br_fw_ia.html">Pont filtrant et interaction avec IPTABLES</a></li>
</ul>
</div>
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var searchModal = $searchModal.modal({ onChange: handleModalChange, hideWhenWindowScroll: true });
var modalVisible = false;
search.searchModal = searchModal;
var $searchBox = null;
var $searchInput = null;
var $searchClear = null;
function getModalVisible() {
return modalVisible;
}
search.getModalVisible = getModalVisible;
function handleModalChange(visible) {
modalVisible = visible;
if (visible) {
search.onShow && search.onShow();
useDefaultSearchBox && $searchInput[0] && $searchInput[0].focus();
} else {
search.onShow && search.onHide();
useDefaultSearchBox && $searchInput[0] && $searchInput[0].blur();
setTimeout(function() {
useDefaultSearchBox && ($searchInput.val(''), $searchBox.removeClass('not-empty'));
search.clear && search.clear();
window.pageAsideAffix && window.pageAsideAffix.refresh();
}, 400);
}
}
$searchToggle.on('click', function() {
modalVisible ? searchModal.hide() : searchModal.show();
});
// Char Code: 83 S, 191 /
$(window).on('keyup', function(e) {
if (!modalVisible && !window.isFormElement(e.target || e.srcElement) && (e.which === 83 || e.which === 191)) {
modalVisible || searchModal.show();
}
});
if (useDefaultSearchBox) {
$searchBox = $('.js-search-box');
$searchInput = $searchBox.children('input');
$searchClear = $searchBox.children('.js-icon-clear');
search.getSearchInput = function() {
return $searchInput.get(0);
};
search.getVal = function() {
return $searchInput.val();
};
search.setVal = function(val) {
$searchInput.val(val);
};
$searchInput.on('focus', function() {
$(this).addClass('focus');
});
$searchInput.on('blur', function() {
$(this).removeClass('focus');
});
$searchInput.on('input', window.throttle(function() {
var val = $(this).val();
if (val === '' || typeof val !== 'string') {
search.clear && search.clear();
} else {
$searchBox.addClass('not-empty');
search.onInputNotEmpty && search.onInputNotEmpty(val);
}
}, 400));
$searchClear.on('click', function() {
$searchInput.val(''); $searchBox.removeClass('not-empty');
search.clear && search.clear();
});
}
});
})();
</script><div class="search search--dark">
<div class="main">
<div class="search__header">Recherche</div>
<div class="search-bar">
<div class="search-box js-search-box">
<div class="search-box__icon-search"><i class="fas fa-search"></i></div>
<input id="search-input" type="text" />
<div class="search-box__icon-clear js-icon-clear">
<a><i class="fas fa-times"></i></a>
</div>
</div>
<button class="button button--theme-dark button--pill search__cancel js-search-toggle">
Annuler</button>
</div>
<div id="results-container" class="search-result js-search-result"></div>
</div>
</div>
<!-- Script pointing to search-script.js -->
<script>/*!
* Simple-Jekyll-Search
* Copyright 2015-2020, Christian Fei
* Licensed under the MIT License.
*/
(function(){
'use strict'
var _$Templater_7 = {
compile: compile,
setOptions: setOptions
}
const options = {}
options.pattern = /\{(.*?)\}/g
options.template = ''
options.middleware = function () {}
function setOptions (_options) {
options.pattern = _options.pattern || options.pattern
options.template = _options.template || options.template
if (typeof _options.middleware === 'function') {
options.middleware = _options.middleware
}
}
function compile (data) {
return options.template.replace(options.pattern, function (match, prop) {
const value = options.middleware(prop, data[prop], options.template)
if (typeof value !== 'undefined') {
return value
}
return data[prop] || match
})
}
'use strict';
function fuzzysearch (needle, haystack) {
var tlen = haystack.length;
var qlen = needle.length;
if (qlen > tlen) {
return false;
}
if (qlen === tlen) {
return needle === haystack;
}
outer: for (var i = 0, j = 0; i < qlen; i++) {
var nch = needle.charCodeAt(i);
while (j < tlen) {
if (haystack.charCodeAt(j++) === nch) {
continue outer;
}
}
return false;
}
return true;
}
var _$fuzzysearch_1 = fuzzysearch;
'use strict'
/* removed: const _$fuzzysearch_1 = require('fuzzysearch') */;
var _$FuzzySearchStrategy_5 = new FuzzySearchStrategy()
function FuzzySearchStrategy () {
this.matches = function (string, crit) {
return _$fuzzysearch_1(crit.toLowerCase(), string.toLowerCase())
}
}
'use strict'
var _$LiteralSearchStrategy_6 = new LiteralSearchStrategy()
function LiteralSearchStrategy () {
this.matches = function (str, crit) {
if (!str) return false
str = str.trim().toLowerCase()
crit = crit.trim().toLowerCase()
return crit.split(' ').filter(function (word) {
return str.indexOf(word) >= 0
}).length === crit.split(' ').length
}
}
'use strict'
var _$Repository_4 = {
put: put,
clear: clear,
search: search,
setOptions: __setOptions_4
}
/* removed: const _$FuzzySearchStrategy_5 = require('./SearchStrategies/FuzzySearchStrategy') */;
/* removed: const _$LiteralSearchStrategy_6 = require('./SearchStrategies/LiteralSearchStrategy') */;
function NoSort () {
return 0
}
const data = []
let opt = {}
opt.fuzzy = false
opt.limit = 10
opt.searchStrategy = opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = NoSort
opt.exclude = []
function put (data) {
if (isObject(data)) {
return addObject(data)
}
if (isArray(data)) {
return addArray(data)
}
return undefined
}
function clear () {
data.length = 0
return data
}
function isObject (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Object]'
}
function isArray (obj) {
return Boolean(obj) && Object.prototype.toString.call(obj) === '[object Array]'
}
function addObject (_data) {
data.push(_data)
return data
}
function addArray (_data) {
const added = []
clear()
for (let i = 0, len = _data.length; i < len; i++) {
if (isObject(_data[i])) {
added.push(addObject(_data[i]))
}
}
return added
}
function search (crit) {
if (!crit) {
return []
}
return findMatches(data, crit, opt.searchStrategy, opt).sort(opt.sort)
}
function __setOptions_4 (_opt) {
opt = _opt || {}
opt.fuzzy = _opt.fuzzy || false
opt.limit = _opt.limit || 10
opt.searchStrategy = _opt.fuzzy ? _$FuzzySearchStrategy_5 : _$LiteralSearchStrategy_6
opt.sort = _opt.sort || NoSort
opt.exclude = _opt.exclude || []
}
function findMatches (data, crit, strategy, opt) {
const matches = []
for (let i = 0; i < data.length && matches.length < opt.limit; i++) {
const match = findMatchesInObject(data[i], crit, strategy, opt)
if (match) {
matches.push(match)
}
}
return matches
}
function findMatchesInObject (obj, crit, strategy, opt) {
for (const key in obj) {
if (!isExcluded(obj[key], opt.exclude) && strategy.matches(obj[key], crit)) {
return obj
}
}
}
function isExcluded (term, excludedTerms) {
for (let i = 0, len = excludedTerms.length; i < len; i++) {
const excludedTerm = excludedTerms[i]
if (new RegExp(excludedTerm).test(term)) {
return true
}
}
return false
}
/* globals ActiveXObject:false */
'use strict'
var _$JSONLoader_2 = {
load: load
}
function load (location, callback) {
const xhr = getXHR()
xhr.open('GET', location, true)
xhr.onreadystatechange = createStateChangeListener(xhr, callback)
xhr.send()
}
function createStateChangeListener (xhr, callback) {
return function () {
if (xhr.readyState === 4 && xhr.status === 200) {
try {
callback(null, JSON.parse(xhr.responseText))
} catch (err) {
callback(err, null)
}
}
}
}
function getXHR () {
return window.XMLHttpRequest ? new window.XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP')
}
'use strict'
var _$OptionsValidator_3 = function OptionsValidator (params) {
if (!validateParams(params)) {
throw new Error('-- OptionsValidator: required options missing')
}
if (!(this instanceof OptionsValidator)) {
return new OptionsValidator(params)
}
const requiredOptions = params.required
this.getRequiredOptions = function () {
return requiredOptions
}
this.validate = function (parameters) {
const errors = []
requiredOptions.forEach(function (requiredOptionName) {
if (typeof parameters[requiredOptionName] === 'undefined') {
errors.push(requiredOptionName)
}
})
return errors
}
function validateParams (params) {
if (!params) {
return false
}
return typeof params.required !== 'undefined' && params.required instanceof Array
}
}
'use strict'
var _$utils_9 = {
merge: merge,
isJSON: isJSON
}
function merge (defaultParams, mergeParams) {
const mergedOptions = {}
for (const option in defaultParams) {
mergedOptions[option] = defaultParams[option]
if (typeof mergeParams[option] !== 'undefined') {
mergedOptions[option] = mergeParams[option]
}
}
return mergedOptions
}
function isJSON (json) {
try {
if (json instanceof Object && JSON.parse(JSON.stringify(json))) {
return true
}
return false
} catch (err) {
return false
}
}
var _$src_8 = {};
(function (window) {
'use strict'
let options = {
searchInput: null,
resultsContainer: null,
json: [],
success: Function.prototype,
searchResultTemplate: '<li><a href="{url}" title="{desc}">{title}</a></li>',
templateMiddleware: Function.prototype,
sortMiddleware: function () {
return 0
},
noResultsText: 'No results found',
limit: 10,
fuzzy: false,
debounceTime: null,
exclude: []
}
let debounceTimerHandle
const debounce = function (func, delayMillis) {
if (delayMillis) {
clearTimeout(debounceTimerHandle)
debounceTimerHandle = setTimeout(func, delayMillis)
} else {
func.call()
}
}
const requiredOptions = ['searchInput', 'resultsContainer', 'json']
/* removed: const _$Templater_7 = require('./Templater') */;
/* removed: const _$Repository_4 = require('./Repository') */;
/* removed: const _$JSONLoader_2 = require('./JSONLoader') */;
const optionsValidator = _$OptionsValidator_3({
required: requiredOptions
})
/* removed: const _$utils_9 = require('./utils') */;
window.SimpleJekyllSearch = function (_options) {
const errors = optionsValidator.validate(_options)
if (errors.length > 0) {
throwError('You must specify the following required options: ' + requiredOptions)
}
options = _$utils_9.merge(options, _options)
_$Templater_7.setOptions({
template: options.searchResultTemplate,
middleware: options.templateMiddleware
})
_$Repository_4.setOptions({
fuzzy: options.fuzzy,
limit: options.limit,
sort: options.sortMiddleware,
exclude: options.exclude
})
if (_$utils_9.isJSON(options.json)) {
initWithJSON(options.json)
} else {
initWithURL(options.json)
}
const rv = {
search: search
}
typeof options.success === 'function' && options.success.call(rv)
return rv
}
function initWithJSON (json) {
_$Repository_4.put(json)
registerInput()
}
function initWithURL (url) {
_$JSONLoader_2.load(url, function (err, json) {
if (err) {
throwError('failed to get JSON (' + url + ')')
}
initWithJSON(json)
})
}
function emptyResultsContainer () {
options.resultsContainer.innerHTML = ''
}
function appendToResultsContainer (text) {
options.resultsContainer.innerHTML += text
}
function registerInput () {
options.searchInput.addEventListener('input', function (e) {
if (isWhitelistedKey(e.which)) {
emptyResultsContainer()
debounce(function () { search(e.target.value) }, options.debounceTime)
}
})
}
function search (query) {
if (isValidQuery(query)) {
emptyResultsContainer()
render(_$Repository_4.search(query), query)
}
}
function render (results, query) {
const len = results.length
if (len === 0) {
return appendToResultsContainer(options.noResultsText)
}
for (let i = 0; i < len; i++) {
results[i].query = query
appendToResultsContainer(_$Templater_7.compile(results[i]))
}
}
function isValidQuery (query) {
return query && query.length > 0
}
function isWhitelistedKey (key) {
return [13, 16, 20, 37, 38, 39, 40, 91].indexOf(key) === -1
}
function throwError (message) {
throw new Error('SimpleJekyllSearch --- ' + message)
}
})(window)
}());
</script>
<!-- Configuration -->
<script>
SimpleJekyllSearch({
searchInput: document.getElementById('search-input'),
resultsContainer: document.getElementById('results-container'),
noResultsText: '<p>Aucun résultat!</p>',
json: '/search.json',
searchResultTemplate: '<li><a href="{url}">{date}&nbsp;{title}</a>&nbsp;(Création {create})</li>'
})
</script>
</div></div>
<script>(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function scrollToAnchor(anchor, duration, callback) {
var $root = this;
$root.animate({ scrollTop: $(anchor).position().top }, duration, function() {
window.history.replaceState(null, '', window.location.href.split('#')[0] + anchor);
callback && callback();
});
}
$.fn.scrollToAnchor = scrollToAnchor;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function affix(options) {
var $root = this, $window = $(window), $scrollTarget, $scroll,
offsetBottom = 0, scrollTarget = window, scroll = window.document, disabled = false, isOverallScroller = true,
rootTop, rootLeft, rootHeight, scrollBottom, rootBottomTop,
hasInit = false, curState;
function setOptions(options) {
var _options = options || {};
_options.offsetBottom && (offsetBottom = _options.offsetBottom);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroll && (scroll = _options.scroll);
_options.disabled !== undefined && (disabled = _options.disabled);
$scrollTarget = $(scrollTarget);
isOverallScroller = window.isOverallScroller($scrollTarget[0]);
$scroll = $(scroll);
}
function preCalc() {
top();
rootHeight = $root.outerHeight();
rootTop = $root.offset().top + (isOverallScroller ? 0 : $scrollTarget.scrollTop());
rootLeft = $root.offset().left;
}
function calc(needPreCalc) {
needPreCalc && preCalc();
scrollBottom = $scroll.outerHeight() - offsetBottom - rootHeight;
rootBottomTop = scrollBottom - rootTop;
}
function top() {
if (curState !== 'top') {
$root.removeClass('fixed').css({
left: 0,
top: 0
});
curState = 'top';
}
}
function fixed() {
if (curState !== 'fixed') {
$root.addClass('fixed').css({
left: rootLeft + 'px',
top: 0
});
curState = 'fixed';
}
}
function bottom() {
if (curState !== 'bottom') {
$root.removeClass('fixed').css({
left: 0,
top: rootBottomTop + 'px'
});
curState = 'bottom';
}
}
function setState() {
var scrollTop = $scrollTarget.scrollTop();
if (scrollTop >= rootTop && scrollTop <= scrollBottom) {
fixed();
} else if (scrollTop < rootTop) {
top();
} else {
bottom();
}
}
function init() {
if(!hasInit) {
var interval, timeout;
calc(true); setState();
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState();
});
$window.on('resize', function() {
disabled || (calc(true), setState());
});
hasInit = true;
}
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions,
refresh: function() {
calc(true, { animation: false }); setState();
}
};
}
$.fn.affix = affix;
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
function toc(options) {
var $root = this, $window = $(window), $scrollTarget, $scroller, $tocUl = $('<ul class="toc toc--ellipsis"></ul>'), $tocLi, $headings, $activeLast, $activeCur,
selectors = 'h1,h2,h3', container = 'body', scrollTarget = window, scroller = 'html, body', disabled = false,
headingsPos, scrolling = false, hasRendered = false, hasInit = false;
function setOptions(options) {
var _options = options || {};
_options.selectors && (selectors = _options.selectors);
_options.container && (container = _options.container);
_options.scrollTarget && (scrollTarget = _options.scrollTarget);
_options.scroller && (scroller = _options.scroller);
_options.disabled !== undefined && (disabled = _options.disabled);
$headings = $(container).find(selectors).filter('[id]');
$scrollTarget = $(scrollTarget);
$scroller = $(scroller);
}
function calc() {
headingsPos = [];
$headings.each(function() {
headingsPos.push(Math.floor($(this).position().top));
});
}
function setState(element, disabled) {
var scrollTop = $scrollTarget.scrollTop(), i;
if (disabled || !headingsPos || headingsPos.length < 1) { return; }
if (element) {
$activeCur = element;
} else {
for (i = 0; i < headingsPos.length; i++) {
if (scrollTop >= headingsPos[i]) {
$activeCur = $tocLi.eq(i);
} else {
$activeCur || ($activeCur = $tocLi.eq(i));
break;
}
}
}
$activeLast && $activeLast.removeClass('active');
($activeLast = $activeCur).addClass('active');
}
function render() {
if(!hasRendered) {
$root.append($tocUl);
$headings.each(function() {
var $this = $(this);
$tocUl.append($('<li></li>').addClass('toc-' + $this.prop('tagName').toLowerCase())
.append($('<a></a>').text($this.text()).attr('href', '#' + $this.prop('id'))));
});
$tocLi = $tocUl.children('li');
$tocUl.on('click', 'a', function(e) {
e.preventDefault();
var $this = $(this);
scrolling = true;
setState($this.parent());
$scroller.scrollToAnchor($this.attr('href'), 400, function() {
scrolling = false;
});
});
}
hasRendered = true;
}
function init() {
var interval, timeout;
if(!hasInit) {
render(); calc(); setState(null, scrolling);
// run calc every 100 millisecond
interval = setInterval(function() {
calc();
}, 100);
timeout = setTimeout(function() {
clearInterval(interval);
}, 45000);
window.pageLoad.then(function() {
setTimeout(function() {
clearInterval(interval);
clearTimeout(timeout);
}, 3000);
});
$scrollTarget.on('scroll', function() {
disabled || setState(null, scrolling);
});
$window.on('resize', window.throttle(function() {
if (!disabled) {
render(); calc(); setState(null, scrolling);
}
}, 100));
}
hasInit = true;
}
setOptions(options);
if (!disabled) {
init();
}
$window.on('resize', window.throttle(function() {
init();
}, 200));
return {
setOptions: setOptions
};
}
$.fn.toc = toc;
});
})();
/*(function () {
})();*/
</script><script>
/* toc must before affix, since affix need to konw toc' height. */(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
var TOC_SELECTOR = window.TEXT_VARIABLES.site.toc.selectors;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window);
var $articleContent = $('.js-article-content');
var $tocRoot = $('.js-toc-root'), $col2 = $('.js-col-aside');
var toc;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
var hasToc = $articleContent.find(TOC_SELECTOR).length > 0;
function disabled() {
return $col2.css('display') === 'none' || !hasToc;
}
tocDisabled = disabled();
toc = $tocRoot.toc({
selectors: TOC_SELECTOR,
container: $articleContent,
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
tocDisabled = disabled();
toc && toc.setOptions({
disabled: tocDisabled
});
}, 100));
});
})();
(function() {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
var $window = $(window), $pageFooter = $('.js-page-footer');
var $pageAside = $('.js-page-aside');
var affix;
var tocDisabled = false;
var hasSidebar = $('.js-page-root').hasClass('layout--page--sidebar');
affix = $pageAside.affix({
offsetBottom: $pageFooter.outerHeight(),
scrollTarget: hasSidebar ? '.js-page-main' : null,
scroller: hasSidebar ? '.js-page-main' : null,
scroll: hasSidebar ? $('.js-page-main').children() : null,
disabled: tocDisabled
});
$window.on('resize', window.throttle(function() {
affix && affix.setOptions({
disabled: tocDisabled
});
}, 100));
window.pageAsideAffix = affix;
});
})();
</script><!---->
</div>
<script>(function () {
var $root = document.getElementsByClassName('root')[0];
if (window.hasEvent('touchstart')) {
$root.dataset.isTouch = true;
document.addEventListener('touchstart', function(){}, false);
}
})();
</script>
</body>
</html>