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<summary><b>Afficher/cacher Sommaire</b></summary>
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</details><p>Liens des articles originaux de François MOCQ<br />
<a href="https://www.framboise314.fr/partage-dune-connexion-4g-de-smartphone-avec-un-raspberry-pi/">Partage d’une connexion 4G de smartphone avec un Raspberry Pi</a><br />
<a href="https://www.framboise314.fr/partage-dune-connexion-4g-ethernet-wifi/">Partage d’une connexion 4G en Ethernet et en Wifi</a></p>
<p class="info"><em>Ce qui suit est tès largement inspiré des articles cités ci-dessus</em></p>
<h3 id="matériel">Matériel</h3>
<ul>
<li>raspberry PI 3B + PiOs Lite BusterR<br />
<img src="/images/raspberrypi3Bv1.2.png" alt="rpi" width="80" /></li>
<li>Smartphone<br />
<img src="/images/samsung_galaxy_s8.png" alt="" height="80" /></li>
<li>Switch Ethernet</li>
</ul>
<h3 id="pios-debian-buster">PiOs (debian buster)</h3>
<p><img src="/images/debian-buster-logo.png" alt="" width="80" /></p>
<p><strong>SDcard</strong></p>
<p>Sur un ordinateur , connecté une SDcard via un interface USB et relever son identification par <code class="language-plaintext highlighter-rouge">dmesg</code><br />
<a href="https://www.raspberrypi.org/downloads/raspbian/">Télécharger le ZIP</a> de la dernière image <strong>PiOs buster Lite</strong></p>
<p>Identifier le périphérique SDcard après insertion</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>dmesg
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[10742.227702] usb 1-7: New USB device found, idVendor=05e3, idProduct=0745, bcdDevice= 9.03
[10742.227708] usb 1-7: New USB device strings: Mfr=0, Product=1, SerialNumber=2
[10742.227712] usb 1-7: Product: USB Storage
[10742.227715] usb 1-7: SerialNumber: 000000000903
[10742.229654] usb-storage 1-7:1.0: USB Mass Storage device detected
[10742.237357] scsi host5: usb-storage 1-7:1.0
[10743.258751] scsi 5:0:0:0: Direct-Access Generic STORAGE DEVICE 0903 PQ: 0 ANSI: 6
[10743.259573] sd 5:0:0:0: Attached scsi generic sg4 type 0
[10743.715208] sd 5:0:0:0: [sde] 15564800 512-byte logical blocks: (7.97 GB/7.42 GiB)
[10743.716453] sd 5:0:0:0: [sde] Write Protect is off
[10743.716460] sd 5:0:0:0: [sde] Mode Sense: 21 00 00 00
[10743.717563] sd 5:0:0:0: [sde] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[10743.726016] sde: sde1
[10743.733076] sd 5:0:0:0: [sde] Attached SCSI removable disk
</code></pre></div></div>
<p>La sdcard est attachée à /dev/sde</p>
<p>Décompresser le fichier zip</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>unzip 2021-01-11-raspios-buster-armhf-lite.zip
</code></pre></div></div>
<p>“flasher” la SDcard avec le fichier <strong>2021-01-11-raspios-buster-armhf-lite.img</strong></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo dd bs=4M if=2021-01-11-raspios-buster-armhf-lite.img of=/dev/sde &amp;&amp; sync
</code></pre></div></div>
<blockquote>
<p><strong>ATTENTION !!!</strong> Pas d’accès à la carte raspberry en mode terminal par la liaison série ou SSH<br />
*Les dernières versions de Raspbian nécessitent un écran et un clavier, car il n’est plus possible de se connecter directement par la liaison série ou en SSH au Raspberry par défaut.</p>
</blockquote>
<p><strong>Activer la liaison série et SSH</strong></p>
<p>Cela nécessite 2 opérations</p>
<ol>
<li>Activer le lancement de SSH au boot ,placer dans la partition <strong>boot</strong> de la carte SD un fichier nommé <strong>ssh</strong>, vide et sans extension.</li>
<li>Activer la liaison série ,il faut ajouter <code class="language-plaintext highlighter-rouge">enable_uart=1</code> à la fin du fichier de configuration <strong>config.txt</strong> et avant insertion de la SDcard dans le raspberry</li>
</ol>
<p><strong>Pour réaliser ces 2 opérations:</strong><br />
Retirer le lecteur USB/SDcard puis le réinsére<br />
identifier le périphérique SDcard avec la commande <code class="language-plaintext highlighter-rouge">dmesg</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>dmesg
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[11948.379238] sdc: sdc1 sdc2
[11948.383312] sd 5:0:0:0: [sdc] Attached SCSI removable disk
</code></pre></div></div>
<p>On identifie 2 partitions sdc1 et sdc2<br />
Montage de la SDcard (sdc1 qui correspond au <strong>boot</strong>) sur un dossier temporaire</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>mkdir -p temp # dossier temporaire
sudo mount /dev/sdc1 temp # Montage de la SDcard (sdc1 qui correspond au boot) sur un dossier temporaire
sudo touch temp/ssh # Ajout du fichier ssh pour activer le lancement de SSH au boot
sudo su -c "echo 'enable_uart=1' &gt;&gt; temp/config.txt" # Modifier le fichier config.txt pour activer la liaison série
sudo umount temp # Démontage et insertion SDcard dans le raspberry
rm -r temp # suppression dossier temporaire
</code></pre></div></div>
<blockquote>
<p>Remplacer <strong>sdc</strong> suivant le dmesg (sdb,sdc,sdd,etc…)</p>
</blockquote>
<p><strong>Liaison USB/Série</strong></p>
<p><strong>ATTENTION</strong> , il faut utiliser une liaison USB/Série pour l’installation de raspian-lite <br />
<img src="/images/ftdi-diagram.png" alt="" width="150" /></p>
<table>
<thead>
<tr>
<th style="text-align: left">interface USB/Série</th>
<th style="text-align: left">Raspberry</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left">GND</td>
<td style="text-align: left">6</td>
</tr>
<tr>
<td style="text-align: left">Rxd</td>
<td style="text-align: left">8 (Txd)</td>
</tr>
<tr>
<td style="text-align: left">Txd</td>
<td style="text-align: left">10 (Rxd)</td>
</tr>
</tbody>
</table>
<p>Exécuter le logiciel de communication (minicom ou screen)</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo minicom # Débit/Parité/Bits:115200 8N1,Contrôle de flux matériel:Non,Contrôle de flux logiciel:Non
OU
sudo screen /dev/ttyUSB0 115200
</code></pre></div></div>
<blockquote>
<p><strong>Insérer la SDCard dans le logement du Raspberry ,connecter le cordon réseau et la liaison série</strong></p>
</blockquote>
<p><strong>Alimenter la carte raspberry</strong></p>
<p>brancher la micro-usb d’alimentation sur la carte raspberry et enfin le DC-Pack sur le secteur<br />
patienter quelques minutes…</p>
<p>login/motde passe : pi/raspberry</p>
<p>Mise à jour</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt update &amp;&amp; sudo apt upgrade
</code></pre></div></div>
<h3 id="connecter-le-téléphone">Connecter le téléphone</h3>
<ul>
<li><strong>Connecter le smartphone au port USB du routeur</strong> à l’aide du câble USB, puis activez l’option USB Tethering dans les paramètres d’Android.<br />
Paramètres → Réseau et Internet<br />
<img src="/images/openwrt11.png" alt="openwrt" height="300" /> <img src="/images/openwrt12.png" alt="openwrt" height="300" /> <br />
Le téléphone activera immédiatement le mode Tethering USB lorsqu’il sera branché sur un routeur ( ou un ordinateur portable).<br />
<em>Un téléphone verrouillé n’activera pas le mode “Partage via USB” sans une intervention manuelle.</em></li>
</ul>
<p>Vérification</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>lsusb
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Bus 001 Device 005: ID 04e8:6864 Samsung Electronics Co., Ltd GT-I9070 (network tethering, USB debugging enabled)
</code></pre></div></div>
<p>Le réseau</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ip a
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[...]
4: usb0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
link/ether 4a:af:43:6b:64:22 brd ff:ff:ff:ff:ff:ff
inet 192.168.12.45/24 brd 192.168.12.255 scope global dynamic noprefixroute usb0
valid_lft 3592sec preferred_lft 3142sec
inet6 fe80::a9a2:2b73:b088:2922/64 scope link
valid_lft forever preferred_lft forever
</code></pre></div></div>
<p>Le port usb0 a été créé et qu’il a l’adresse 192.168.12.45/24. Dans ce mode de fonctionnement, on retrouve toujours le téléphone dans le réseau 192.168.12.0</p>
<blockquote>
<p>Cette adresse n’est pas fixe , elle change à chaque redémarrage</p>
</blockquote>
<p>On peut partager la connexion entre le port usb0 et eth0, le port Ethernet du Raspberry Pi.</p>
<h3 id="port-forwarding">Port forwarding</h3>
<p>Pour que les paquets de données puissent transiter entre les deux réseaux, il faut activer le routage du noyau.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/sysctl.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># Uncomment the next line to enable packet forwarding for IPv4
net.ipv4.ip_forward=1
</code></pre></div></div>
<p>Redémarrez le système pour prendre cette modification en compte et activer le routage</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo reboot
</code></pre></div></div>
<p class="warning">Le partage de modem USB sur le téléphone est annulé lors du reboot du système, car la sortie USB est momentanément désactivée. Pensez à revalider le partage de modem USB après chaque reboot !</p>
<p><img src="/images/Box4G-RPI.png" alt="" /></p>
<p>Raspberry Pi va devoir attribuer des adresses IP dans le réseau privé 10.55.22.0/24 aux machines qui seront connectées sur son port Ethernet.<br />
Un serveur DHCP <code class="language-plaintext highlighter-rouge">isc-dhcp-server</code> sera utilisé. <br />
Lorsque les machines connectées sur le port Ethernet voudront accéder à Internet, comme vous saisissez un nom de domaine il faut trouver l’adresse IP correspondante à ce domaine et c’est le rôle du serveur DNS <code class="language-plaintext highlighter-rouge">bind</code>, le classique des classiques en serveur DNS. Il ira chercher sur les DNS extérieurs les domaines qu’il ne connait pas, mais peut garder dans un cache les adresses des domaines qu’il a déjà récupérées. Pour utiliser bind, il faudra que le port Ethernet du Raspberry Pi ait une adresse fixe, on pourra ainsi passer l’adresse du DNS dans les options de DHCP.</p>
<h3 id="configurer-eth0-en-adresse-fixe-1055221">Configurer eth0 en adresse fixe 10.55.22.1</h3>
<p>La modification de l’adresse du port Ethernet se fait dans le fichier dhcpcd.conf ouvrez-le</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/dhcpcd.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># Adresse fixe sur le port Ethernet eth0
interface eth0
static ip_address=10.55.22.1/24
</code></pre></div></div>
<p>Redémarrer par on/off de l’alimentation<br />
Vérification <code class="language-plaintext highlighter-rouge">ip a</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>1: lo: &lt;LOOPBACK,UP,LOWER_UP&gt; mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether b8:27:eb:54:7e:6a brd ff:ff:ff:ff:ff:ff
inet 10.55.22.1/24 brd 10.55.22.255 scope global noprefixroute eth0
valid_lft forever preferred_lft forever
inet6 2a01:e0a:2de:2c70:2c8:60b4:3d45:8686/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86364sec preferred_lft 86364sec
inet6 fe80::e213:f942:3c09:6c87/64 scope link
valid_lft forever preferred_lft forever
3: wlan0: &lt;BROADCAST,MULTICAST&gt; mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether b8:27:eb:01:2b:3f brd ff:ff:ff:ff:ff:ff
4: usb0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 1000
link/ether 7e:c7:c4:52:2c:e2 brd ff:ff:ff:ff:ff:ff
inet 192.168.4.105/24 brd 192.168.4.255 scope global dynamic noprefixroute usb0
valid_lft 3584sec preferred_lft 3134sec
inet6 fe80::643e:7367:f45:24/64 scope link
valid_lft forever preferred_lft forever
</code></pre></div></div>
<h3 id="serveur-dhcp-isc-dhcp-server">Serveur dhcp (isc-dhcp-server)</h3>
<p>Installation</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt install isc-dhcp-server
</code></pre></div></div>
<p>Ouvrir le fichier de configuration</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/dhcp/dhcpd.conf
</code></pre></div></div>
<p>Pour le réseau filaire sur eth0</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># Reseau 10.55.22.0 sur eth0
subnet 10.55.22.0 netmask 255.255.255.0 {
interface eth0;
range 10.55.22.10 10.55.22.100;
option routers 10.55.22.1;
option domain-name-servers 10.55.22.1;
}
</code></pre></div></div>
<p>Ceci va créer un réseau (subnet) 10.55.22.0 dans lequel le DHCP va attribuer des adresses comprises (range) entre 10.55.22.10 et 10.55.22.100. Ça devrait suffire pour les besoins courants.<br />
La ligne options va transmettre aux machines connectées l’adresse de la passerelle qu’elles doivent utiliser, ici 10.55.22.1 soit l’adresse du port eth0 du Raspberry Pi.<br />
Il faut encore indiquer au DHCP qu’il doit écouter les requêtes qui lui sont destinées sur eth0 à l’adresse IP 10.55.22.1<br />
Pour que le serveur écoute sur certaines interfaces, il faut les spécifier dans <code class="language-plaintext highlighter-rouge">/etc/default/isc-dhcp-server</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/default/isc-dhcp-server
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>INTERFACESv4="eth0"
</code></pre></div></div>
<h3 id="configuration-iptables">Configuration iptables</h3>
<p>On va établir un NAT (translation d’adresse) vers usb0</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>iptables <span class="nt">-t</span> nat <span class="nt">-A</span> POSTROUTING <span class="nt">-o</span> usb0 <span class="nt">-j</span> MASQUERADE
<span class="c"># eth0</span>
<span class="nb">sudo </span>iptables <span class="nt">-A</span> FORWARD <span class="nt">-i</span> usb0 <span class="nt">-o</span> eth0 <span class="nt">-m</span> state <span class="nt">--state</span> RELATED,ESTABLISHED <span class="nt">-j</span> ACCEPT
<span class="nb">sudo </span>iptables <span class="nt">-A</span> FORWARD <span class="nt">-i</span> eth0 <span class="nt">-j</span> ACCEPT
</code></pre></div></div>
<p><code class="language-plaintext highlighter-rouge">ping 8.8.8.8</code> doit fonctionner sur le Portable PC =&gt; on sort bien sur Internet<br />
<code class="language-plaintext highlighter-rouge">ping google.fr</code> ne fonctionne pas. Donc il n’y a pas de résolution de nom. c’est le DNS qui va apporter la solution.</p>
<p>Sauvegarde de la configuration iptables</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo iptables-save &gt; iptables
</code></pre></div></div>
<p>Visualiser</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>cat /home/pi/iptables
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># Generated by xtables-save v1.8.2 on Sat Jan 22 17:38:08 2022
*nat
:PREROUTING ACCEPT [258:49338]
:INPUT ACCEPT [15:4489]
:POSTROUTING ACCEPT [7:482]
:OUTPUT ACCEPT [138:11252]
-A POSTROUTING -o usb0 -j MASQUERADE
-A POSTROUTING -o usb0 -j MASQUERADE
-A POSTROUTING -o usb0 -j MASQUERADE
COMMIT
# Completed on Sat Jan 22 17:38:08 2022
# Generated by xtables-save v1.8.2 on Sat Jan 22 17:38:08 2022
*filter
:INPUT ACCEPT [4478:3434891]
:FORWARD ACCEPT [74:9248]
:OUTPUT ACCEPT [3549:497097]
-A FORWARD -i usb0 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i eth0 -j ACCEPT
COMMIT
# Completed on Sat Jan 22 17:38:08 2022
</code></pre></div></div>
<p>Il faut recharger ce fichier lors de chaque démarrage du Raspberry Pi avec un service systemd <code class="language-plaintext highlighter-rouge">/etc/systemd/system/load-iptables.service</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[Unit]
Description=Charger iptables
After=network.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/sh -c "/sbin/iptables-restore &lt; /home/pi/iptables"
[Install]
WantedBy=multi-user.target
</code></pre></div></div>
<p>Activer le service</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl daemon-reload
sudo systemctl restart load-iptables.service
sudo systemctl enable load-iptables.service
</code></pre></div></div>
<p>Redémarrer le RPI</p>
<p>Vérifier les règles</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo iptables -L -t nat
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Chain PREROUTING (policy ACCEPT)
target prot opt source destination
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
target prot opt source destination
MASQUERADE all -- anywhere anywhere
MASQUERADE all -- anywhere anywhere
MASQUERADE all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo iptables -L
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain FORWARD (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
</code></pre></div></div>
<h3 id="installer-et-configurer-le-dns-bind">Installer et configurer le DNS bind</h3>
<p>On commence par installer le serveur DNS</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo apt-get install bind9 bind9-doc dnsutils
</code></pre></div></div>
<p>Ouvrir le fichier</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/bind/named.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>// This is the primary configuration file for the BIND DNS server named.
//
// Please read /usr/share/doc/bind9/README.Debian.gz for information on the
// structure of BIND configuration files in Debian, *BEFORE* you customize
// this configuration file.
//
// If you are just adding zones, please do that in /etc/bind/named.conf.local
//include "/etc/bind/named.conf.options";
//include "/etc/bind/named.conf.local";
include "/etc/bind/named.conf.default-zones";
acl internals {
127.0.0.0/8;
10.55.22.0/24;
};
options {
directory "/var/cache/bind";
auth-nxdomain no;
forwarders {
1.1.1.1;
9.9.9.9;
};
listen-on port 53 {
127.0.0.1;
10.55.22.1;
};
listen-on-v6 {
none;
};
allow-query {
internals;
};
allow-transfer {
none;
};
allow-recursion {
internals;
};
};
</code></pre></div></div>
<p class="warning">Il faut indiquer au DNS qu’il doit résoudre les noms pour les deux réseaux connectés sur eth0 10.55.22.1 et wlan0 10.55.19.1</p>
<p>Une fois que tout est rentré et vérifié, exécutez la commande</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo named-checkconf # pour vérifier la syntaxe de votre fichier
</code></pre></div></div>
<p>Quand la commande passe sans renvoyer de message vous pouvez continuer, redémarrer le service DNS pour prendre les modifications en compte.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo service bind9 restart
</code></pre></div></div>
<h3 id="ajout-de-loption-dns-au-dhcp">Ajout de l’option DNS au DHCP</h3>
<p>Il reste à indiquer aux postes que vous allez connecter sur le switch que le DNS est à l’adresse 10.55.22.1 (l’adresse IP du port eth0 du Raspberry Pi). On retourne dans la config du DHCP pour ajouter l’option DNS <code class="language-plaintext highlighter-rouge">option domain-name-servers 10.55.22.1, 1.1.1.1;</code></p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/dhcp/dhcpd.conf
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code># Reseau 10.55.22.0 sur eth0
subnet 10.55.22.0 netmask 255.255.255.0 {
     range 10.55.22.10 10.55.22.100;
     option routers 10.55.22.1;
     option domain-name-servers 10.55.22.1, 1.1.1.1;
}
</code></pre></div></div>
<p>On a ajouté en secours le DNS 1.1.1.1<br />
Redémarrer le serveur DHCP</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo service isc-dhcp-server restart
</code></pre></div></div>
<p>et rafraichir le(s) poste(s) connecté(s) au switch pour qu’il(s) prenne(nt) en compte le DNS.</p>
<h2 id="tests">Tests</h2>
<h3 id="ping-et-dig">ping et dig</h3>
<ul>
<li><code class="language-plaintext highlighter-rouge">ping -c3 1.1.1.1</code></li>
<li>
<p><code class="language-plaintext highlighter-rouge">ping -c3 google.fr</code></p>
<p>dig google.fr</p>
</li>
</ul>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>
; &lt;&lt;&gt;&gt; DiG 9.11.5-P4-5.1+deb10u6-Raspbian &lt;&lt;&gt;&gt; google.fr
;; global options: +cmd
;; Got answer:
;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 22720
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
;; QUESTION SECTION:
;google.fr. IN A
;; ANSWER SECTION:
google.fr. 97 IN A 216.58.209.227
;; Query time: 117 msec
;; SERVER: 192.168.7.168#53(192.168.7.168)
;; WHEN: Sat Dec 11 11:00:54 GMT 2021
;; MSG SIZE rcvd: 54
</code></pre></div></div>
<h3 id="speedtest-cli">speedtest-cli</h3>
<p>Pour tester la vitesse de la liaison internet</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>wget -O speedtest-cli https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py
chmod +x speedtest-cli
</code></pre></div></div>
<p>Lancer le test</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>./speedtest-cli
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Retrieving speedtest.net configuration...
Testing from Free Mobile SAS (37.166.54.161)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Nextmap - LeKloud (Paris) [1.88 km]: 59.687 ms
Testing download speed................................................................................
Download: 26.40 Mbit/s
Testing upload speed................................................................................................
Upload: 1.57 Mbit/s
</code></pre></div></div>
<h3 id="journal">Journal</h3>
<p>Les connexions d’un portable pc et d’un smartphone</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo journalctl -f -u isc-dhcp-server
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>-- Logs begin at Tue 2022-01-18 20:17:01 GMT. --
Jan 19 20:00:58 raspberrypi isc-dhcp-server[1359]: Launching IPv4 server only.
Jan 19 20:00:58 raspberrypi dhcpd[1371]: Wrote 9 leases to leases file.
Jan 19 20:00:58 raspberrypi dhcpd[1371]: Server starting service.
Jan 19 20:01:00 raspberrypi isc-dhcp-server[1359]: Starting ISC DHCPv4 server: dhcpd.
Jan 19 20:01:00 raspberrypi systemd[1]: Started LSB: DHCP server.
Jan 19 20:01:14 raspberrypi dhcpd[1371]: DHCPREQUEST for 192.168.0.20 from f0:1f:af:5b:28:b4 via eth0: ignored (not authoritative).
Jan 19 20:01:16 raspberrypi dhcpd[1371]: DHCPDISCOVER from f0:1f:af:5b:28:b4 via eth0
Jan 19 20:01:17 raspberrypi dhcpd[1371]: DHCPOFFER on 10.55.22.10 to f0:1f:af:5b:28:b4 (e6230) via eth0
Jan 19 20:01:17 raspberrypi dhcpd[1371]: DHCPREQUEST for 10.55.22.10 (10.55.22.1) from f0:1f:af:5b:28:b4 (e6230) via eth0
Jan 19 20:01:17 raspberrypi dhcpd[1371]: DHCPACK on 10.55.22.10 to f0:1f:af:5b:28:b4 (e6230) via eth0
Jan 19 20:02:09 raspberrypi dhcpd[1371]: DHCPDISCOVER from 00:0a:f5:cf:c4:48 via eth0
Jan 19 20:02:10 raspberrypi dhcpd[1371]: DHCPOFFER on 10.55.22.14 to 00:0a:f5:cf:c4:48 (Redmi-7) via eth0
Jan 19 20:02:10 raspberrypi dhcpd[1371]: DHCPDISCOVER from 00:0a:f5:cf:c4:48 (Redmi-7) via eth0
Jan 19 20:02:10 raspberrypi dhcpd[1371]: DHCPOFFER on 10.55.22.14 to 00:0a:f5:cf:c4:48 (Redmi-7) via eth0
Jan 19 20:02:10 raspberrypi dhcpd[1371]: DHCPREQUEST for 10.55.22.14 (10.55.22.1) from 00:0a:f5:cf:c4:48 (Redmi-7) via eth0
Jan 19 20:02:10 raspberrypi dhcpd[1371]: DHCPACK on 10.55.22.14 to 00:0a:f5:cf:c4:48 (Redmi-7) via eth0
</code></pre></div></div>
<h3 id="erreur-démarrage-isc-dhcpv4">Erreur démarrage ISC DHCPV4</h3>
<p>La raison pour laquelle le service du serveur DHCPv4 d’ISC échoue est qu’au moment où il est démarré, la configuration de l’interface réseau n’est peut-être pas terminée. Comme systemd ne peut pas savoir quand un service est réellement prêt (par opposition à un démarrage réussi), les paramètres habituels de l’unité de service de dépendance au démarrage ne sont pas utiles non plus. Souvent, vous trouverez de vilaines solutions de contournement utilisant /etc/rc.local en combinaison avec sleep 5 ou quelque chose de similaire. Heureusement, il existe une meilleure façon pour systemd de le faire (c’est en fait l’une des caractéristiques pour lesquelles je considère que systemd est meilleur que les systèmes init précédents).</p>
<p><img src="/images/rpi-4g-002.png" alt="" /></p>
<p>Redémarrage automatique du serveur DHCPv4 au cas où il échouerait</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo cp /run/systemd/generator.late/isc-dhcp-server.service /etc/systemd/system
sudo nano /etc/systemd/system/isc-dhcp-server.service
</code></pre></div></div>
<ul>
<li>Modifiez la section <code class="language-plaintext highlighter-rouge">[Service]</code> :
<ul>
<li>définir <code class="language-plaintext highlighter-rouge">Restart=on-failure</code></li>
<li>ajoutez <code class="language-plaintext highlighter-rouge">RestartSec=5</code> pour demander à systemd d’attendre 5 secondes avant de redémarrer un service en échec.</li>
</ul>
</li>
<li>Ajoutez la section <code class="language-plaintext highlighter-rouge">[Install]</code> qui est manquante, et ajoutez-y la ligne suivante :
<ul>
<li>` WantedBy=multi-user.target`</li>
</ul>
</li>
</ul>
<p>Le fichier après modification</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>[Unit]
Documentation=man:systemd-sysv-generator(8)
SourcePath=/etc/init.d/isc-dhcp-server
Description=LSB: DHCP server
Before=multi-user.target
Before=multi-user.target
Before=multi-user.target
Before=graphical.target
After=remote-fs.target
After=network-online.target
After=slapd.service
After=nss-lookup.target
Wants=network-online.target
[Service]
Type=forking
Restart=on-failure
RestartSec=5
TimeoutSec=5min
IgnoreSIGPIPE=no
KillMode=process
GuessMainPID=no
RemainAfterExit=yes
SuccessExitStatus=5 6
ExecStart=/etc/init.d/isc-dhcp-server start
ExecStop=/etc/init.d/isc-dhcp-server stop
[Install]
WantedBy=multi-user.target
</code></pre></div></div>
<p>Recharger et lancer</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>systemctl daemon-reload
<span class="nb">sudo </span>systemctl disable isc-dhcp-server
<span class="nb">sudo </span>systemctl <span class="nb">enable </span>isc-dhcp-server
</code></pre></div></div>
<p class="info">Ceci indique à systemd de redémarrer automatiquement le serveur DHCPv4 ISC s’il échoue, mais d’attendre 5 secondes avant de tenter de le redémarrer. Si cela fonctionne pour vous, vous pouvez essayer de réduire le temps de sommeil ; il est par défaut de 100ms, ce qui est probablement trop faible pour cette situation.</p>
<h2 id="liens">Liens</h2>
<ul>
<li>https://doc.ubuntu-fr.org/isc-dhcp-server</li>
<li>https://doc.ubuntu-fr.org/routage</li>
<li>https://domoticproject.com/configuring-dns-server-raspberry-pi/</li>
</ul>
<h2 id="accès-via-pc1">Accès via PC1</h2>
<p>Accéder au réseau 10.55.22.0/24 par le réseau filaire.<br />
PC1 dispose d’un port Ethernet supplémentaire<br />
On dispose d’un ordinateur avec 3 LAN</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="o">[</span>yann@archyan ~]<span class="nv">$ </span>ip <span class="nb">link</span> |grep enp
2: enp0s31f6: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc fq_codel master br0 state UP mode DEFAULT group default qlen 1000
3: enp3s0f0: &lt;NO-CARRIER,BROADCAST,MULTICAST,UP&gt; mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
4: enp3s0f1: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
</code></pre></div></div>
<p>Ethernet <strong>enp0s31f6</strong> est configuré sur le réseau 192.168.0.0/24 pour un accès à internet via la box (gateway 192.168.0.254)</p>
<h3 id="configuration-physique">Configuration physique</h3>
<p>On va utilisé le port ethernet enp3s0f0</p>
<p>Avant de commencer à configurer le réseau sous Linux, nous devons connecter physiquement les systèmes. La configuration la plus simple consiste à connecter les deux ordinateurs à l’aide d’un commutateur. Une fois les systèmes physiquement connectés, nous devons confirmer qu’ils fonctionnent comme prévu.</p>
<p class="warning">ATTENTION : si le service DHCP est actif sur l’ordinateur à connecter. Il faut UNIQUEMENT , dans un premier temps, connecter la carte réseau au “switch”</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c"># ip link set dev enp3s0f0 up</span>
<span class="c"># ip link show enp3s0f0</span>
3: enp3s0f0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
<span class="nb">link</span>/ether 6c:b3:11:32:04:c8 brd ff:ff:ff:ff:ff:ff
</code></pre></div></div>
<p>La première commande fait apparaître la carte d’interface réseau (NIC). Cela active l’interface et lui permet de lancer le processus de vérification d’une liaison réseau ou d’une connexion électrique entre les deux systèmes.</p>
<p>Ensuite, la commande show vous donne un certain nombre d’informations sur la liaison. Vous devriez voir un état indiquant UP. S’il s’agit d’un état DOWN, cela signifie que vous avez un problème de liaison. Il peut s’agir d’un câble déconnecté/mauvais, d’un mauvais commutateur ou d’un oubli de l’interface réseau.</p>
<h3 id="configuration-ipv4">Configuration IPv4</h3>
<p>Maintenant que nous avons établi un lien entre les machines, attribuons des adresses IP aux systèmes pour qu’ils puissent communiquer entre eux. Pour l’instant, examinons la possibilité de configurer manuellement les adresses IP plutôt que de les configurer automatiquement via DHCP.
Comment procéder…</p>
<p>Nous devons configurer <u>manuellement et de façon temporaire</u> les adresses IP à l’aide de la commande ip.</p>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="nb">sudo </span>ip addr add dev enp3s0f0 10.55.22.2/24
<span class="nb">sudo </span>ip addr list enp3s0f0
2: enp3s0f0: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc mq state UP group default qlen 1000
<span class="nb">link</span>/ether 6c:b3:11:32:04:c8 brd ff:ff:ff:ff:ff:ff
inet 10.55.22.2/24 scope global enp3s0f0
valid_lft forever preferred_lft forever
</code></pre></div></div>
<h3 id="vérifications-depuis-pc1">Vérifications depuis PC1</h3>
<p>Par ping</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ping -c3 10.55.22.1
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>PING 10.55.22.1 (10.55.22.1) 56(84) octets de données.
64 octets de 10.55.22.1 : icmp_seq=1 ttl=64 temps=1.08 ms
64 octets de 10.55.22.1 : icmp_seq=2 ttl=64 temps=0.448 ms
64 octets de 10.55.22.1 : icmp_seq=3 ttl=64 temps=0.468 ms
--- statistiques ping 10.55.22.1 ---
3 paquets transmis, 3 reçus, 0% packet loss, time 2020ms
</code></pre></div></div>
<p>Par nmap</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nmap -T4 -sP 10.55.22.0/24
</code></pre></div></div>
<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>Starting Nmap 7.70 <span class="o">(</span> https://nmap.org <span class="o">)</span> at 2022-01-19 19:52 GMT
Nmap scan report <span class="k">for </span>10.55.22.2
Host is up <span class="o">(</span>0.00038s latency<span class="o">)</span><span class="nb">.</span>
MAC Address: 6C:B3:11:32:04:C8 <span class="o">(</span>Shenzhen Lianrui Electronics<span class="o">)</span>
Nmap scan report <span class="k">for </span>10.55.22.13
Host is up <span class="o">(</span><span class="nt">-0</span>.10s latency<span class="o">)</span><span class="nb">.</span>
MAC Address: B0:39:56:DE:15:9F <span class="o">(</span>Netgear<span class="o">)</span>
Nmap scan report <span class="k">for </span>10.55.22.1
Host is up.
Nmap <span class="k">done</span>: 256 IP addresses <span class="o">(</span>3 hosts up<span class="o">)</span> scanned <span class="k">in </span>6.22 seconds
</code></pre></div></div>
<h3 id="wifi-avec-netgear-ex6120">Wifi avec Netgear ex6120</h3>
<p><img src="/images/netgear-ex6120-01.png" alt="" width="100" /></p>
<p>Configuration accessible à l’adresse 10.55.22.13
foroli@yanfi.net qsdfghjklm</p>
<p><img src="/images/usb-tethering-rpi03.png" alt="" width="400" /></p>
<h3 id="liaison-ssh">Liaison SSH</h3>
<p><img src="/images/ssh_logo1.png" alt="OpenSSH" width="70" /><br />
<strong>connexion avec clé</strong><br />
<u>sur l'ordinateur de bureau</u>
Générer une paire de clé curve25519-sha256 (ECDH avec Curve25519 et SHA2) pour une liaison SSH avec le serveur.</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh-keygen -t ed25519 -o -a 100 -f ~/.ssh/rpi-ed25519
</code></pre></div></div>
<p>Envoyer les clés publiques sur le serveur KVM</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh-copy-id -i ~/.ssh/rpi-ed25519.pub pi@10.55.22.1
</code></pre></div></div>
<p><u>sur le serveur KVM</u>
On se connecte</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh pi@10.55.22.1
</code></pre></div></div>
<p>Modifier la configuration serveur SSH</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo nano /etc/ssh/sshd_config
</code></pre></div></div>
<p>Modifier</p>
<div class="language-conf highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="n">Port</span> = <span class="m">55221</span>
<span class="n">PasswordAuthentication</span> <span class="n">no</span>
</code></pre></div></div>
<p>Relancer le serveur</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo systemctl restart sshd
</code></pre></div></div>
<p>Test connexion</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>ssh -p 55221 -i ~/.ssh/rpi-ed25519 pi@10.55.22.1
</code></pre></div></div>
<p>Effacer et créer motd</p>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>sudo rm /etc/motd &amp;&amp; sudo nano /etc/motd
</code></pre></div></div>
<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code> ____ _ _ _ ____
| _ \ ___ _ _ | |_ ___ _ _ _ __ | || | / ___|
| |_) |/ _ \ | | | || __|/ _ \| | | || '__| | || |_ | | _
| _ &lt;| (_) || |_| || |_| __/| |_| || | |__ _|| |_| |
|_| \_\\___/ \__,_| \__|\___| \__,_||_| |_| \____|
_ ___ ____ ____ ____ ____ _
/ | / _ \ | ___|| ___| |___ \ |___ \ / |
| || | | | |___ \|___ \ __) | __) | | |
| || |_| |_ ___) |___) |_ / __/ / __/ _ | |
|_| \___/(_)|____/|____/(_)|_____||_____|(_)|_|
</code></pre></div></div>
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$root.addClass('modal--show');
$pageMain.scrollTop(scrollTop);
activeCount === 1 && ($pageRoot.addClass('show-modal'), $body.addClass('of-hidden'));
hideWhenWindowScroll && window.hasEvent('touchstart') && $window.on('scroll', hide);
$window.on('keyup', handleKeyup);
} else {
activeCount > 0 && activeCount--;
$root.removeClass('modal--show');
$window.scrollTop(scrollTop);
activeCount === 0 && ($pageRoot.removeClass('show-modal'), $body.removeClass('of-hidden'));
hideWhenWindowScroll && window.hasEvent('touchstart') && $window.off('scroll', hide);
$window.off('keyup', handleKeyup);
}
onChange && onChange(visible);
}
function show() {
setState(true);
}
function hide() {
setState(false);
}
function handleKeyup(e) {
// Char Code: 27 ESC
if (e.which === 27) {
hide();
}
}
setOptions(options);
init();
return {
show: show,
hide: hide,
$el: $root
};
}
$.fn.modal = modal;
});
})();
</script><div class="modal modal--overflow page__search-modal d-print-none js-page-search-modal"><script>
(function () {
var SOURCES = window.TEXT_VARIABLES.sources;
window.Lazyload.js(SOURCES.jquery, function() {
// search panel
var search = (window.search || (window.search = {}));
var useDefaultSearchBox = window.useDefaultSearchBox === undefined ?
true : window.useDefaultSearchBox ;
var $searchModal = $('.js-page-search-modal');
var $searchToggle = $('.js-search-toggle');
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>
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