blob: 67109bc4d5dc4a0a8ed0409322bcb410d7348454 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
#!/bin/env bash
interface="";
server="dhcpd"
ip="10.5.6.11"
range="24"
interface_internet=""
# For Wifi teth
ssid=🦄
passphrase=chocolat
# Todo : List interface ✓
# Select first ✓
# Select dhcpd or dnsmasq ✓
# Select ip range ✓
# Select ip ✓
# Help ✓
# Install from Makefile ✓
# Add support for tethapp
# dnsmasq config overwrite
# Default interface is the first non-wireless interfaces (sorted alpha-num)
function guess_wifi {
for i in `ls /sys/class/net/`; do
if [ -d "/sys/class/net/$i/wireless" ] ; then
_interface="$i"
fi
done
echo "${_interface}"
}
function guess_nowifi {
for i in `ls /sys/class/net/`; do
if [ ! -d "/sys/class/net/$i/wireless" ] ; then
if [ "$interface" ] ; then
if [[ "$i" < "$înterface" ]] ; then
interface="$i"
fi
else
interface="$i"
fi
fi
done
}
function guess_internet {
echo $(ip route show | grep 'default' | \
sed 's/.*dev/dev/' | sed 's/scope//' | \
sed 's/src \([[:digit:]]\{1,3\}\.\)\{3\}[[:digit:]]\{1,3\}//g' | \
sed 's/link//' |
tr -s ' ' |
cut -d' ' -f 2)
}
if [ "$1" == "dns" ] ; then
server="dnsmasq"
shift
elif [ "$1" == "teth" ] ; then
interface_internet=$(guess_internet)
shift
elif [ "$1" == "teth_dns" ] || [ "$1" == "teth_dnsmasq" ] ; then
interface_internet=$(guess_internet)
server="dnsmasq"
shift
elif [ "$1" == "teth_wifi_dnsmasq" ] ; then
interface_internet=$(guess_internet)
interface=$(guess_wifi)
server="dnsmasq"
hotspot="yes"
shift
elif [ "$1" == "quit" ] || [ "$1" == "close" ] ; then
sudo pkill dnsmasq
exit
elif [ "$1" == "help" ] || [ "$1" == "-h" ] || [ "$1" == "--help" ] ; then
echo 'Usage : autoDHCP [interface] [ip/range] [dns]'
echo ''
echo 'You also put the server type at the start of the command'
echo 'Ex :'
echo '> autoDHCP wlp3s0 10.5.5.11/24'
echo '> autoDHCP eth0 192.168.0.1 dns'
echo '> autoDHCP dns eth0 192.168.0.1/30'
exit
fi
if [ "$1" ] ; then
interface="$1"
echo "Interface set to ${interface}"
fi
if [ "$2" ] ; then
if [[ "$2" =~ .*/.* ]] ; then
ip=$(echo $2 | cut -d'/' -f1)
range="`echo $2 | cut -d'/' -f2 `"
echo "Range set to ${range}"
else
ip="$2"
fi
echo "Ip set to ${ip}"
fi
if [ "$3" == "dns" ] ; then
server="dnsmasq"
fi
IFS='.' read -r -a ipList <<< "$ip"
mask=$(( 4294967295 >> 32-${range} << 32-${range} ))
ipRaw=$(( ipList[0]*2**24 + ipList[1]*2**16 + ipList[2]*2**8 + ipList[3] ))
ipNetRaw=$(( ipRaw & mask ))
ipNet="$(( ipNetRaw >> 24 )).$(( ipNetRaw >> 16 & 255 )).$(( ipNetRaw >> 8 & 255)).$(( ipNetRaw & 255))"
if [ -z "$interface" ] ; then
guess_nowifi
fi
#########################################################################
######################## ACTION #########################################
#########################################################################
sudo ip l set "$interface" up
sudo ip a r "${ip}/${range}" dev "$interface"
#sudo ip r a "${ip}/${range}" dev "$interface" src "${ip}"
if [ "$server" == "dhcpd" ] ; then
sudo /usr/bin/dhcpd -4 -q -pf /run/dhcpd4.pid "$interface"
elif [ "$server" == "dnsmasq" ] ; then
echo 'Configure dnsmasq'
pidFile=$(mktemp)
ip_start=$(echo "${ip}" | sed 's/\(\([0-9]\{1,3\}\.\)\{3\}\)[0-9]\{1,3\}/\1/')
ip_start_tmp=$(echo "${ip}" | sed 's/\(\([0-9]\{1,3\}\.\)\{3\}\)//')
ip_start_tmp=$((ip_start_tmp+1))
dhcp_range=$(echo ${ip_start}{$ip_start_tmp\,,254}),12h
echo "$dhcp_range"
cat <<< $(
echo "
interface=${interface}
listen-address=${ip}
dhcp-range=${dhcp_range}"
) > /tmp/dnsmasq.conf
if sudo dnsmasq --conf-file=/tmp/dnsmasq.conf --pid-file="${pidFile}"; then
echo 'Ok dnsmasq prêt'
echo "PID : ${pidFile}"
else
echo 'Erreur : Impossible de démarrer dnsmasq'
echo 'Abandon'
exit 1
fi
else
echo "Server name ${server} unknow"
fi
if [ -n "$interface_internet" ] ; then
echo "Routage des connections internet (${interface_internet} => ${interface})"
sudo sysctl net.ipv4.ip_forward=1
sudo iptables -t nat -A POSTROUTING -o "${interface_internet}" -j MASQUERADE
sudo iptables -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
sudo iptables -A FORWARD -i "${interface}" -o "${interface_internet}" -j ACCEPT
fi
if [ "${hotspot}" == "yes" ] ; then
echo "Configuration de hostapd"
cat <<< $(
echo "
interface=${interface}
ssid=${ssid}
wpa=1
wpa_passphrase=${passphrase}
channel=1
hw_mode=g
logger_syslog=-1
logger_syslog_level=2
logger_stdout=-1
logger_stdout_level=2
ctrl_interface=/var/run/hostapd
ctrl_interface_group=0
beacon_int=100
dtim_period=2
max_num_sta=255
rts_threshold=2347
fragm_threshold=2346
macaddr_acl=0
auth_algs=3
ignore_broadcast_ssid=0
wmm_enabled=1
wmm_ac_bk_cwmin=4
wmm_ac_bk_cwmax=10
wmm_ac_bk_aifs=7
wmm_ac_bk_txop_limit=0
wmm_ac_bk_acm=0
wmm_ac_be_aifs=3
wmm_ac_be_cwmin=4
wmm_ac_be_cwmax=10
wmm_ac_be_txop_limit=0
wmm_ac_be_acm=0
wmm_ac_vi_aifs=2
wmm_ac_vi_cwmin=3
wmm_ac_vi_cwmax=4
wmm_ac_vi_txop_limit=94
wmm_ac_vi_acm=0
wmm_ac_vo_aifs=2
wmm_ac_vo_cwmin=2
wmm_ac_vo_cwmax=3
wmm_ac_vo_txop_limit=47
wmm_ac_vo_acm=0
vht_oper_chwidth=3
eap_message=hello
eapol_key_index_workaround=0
eap_server=0"
) > /tmp/hostapd.conf
echo "Lancement du hostpot Wifi"
if sudo hostapd /tmp/hostapd.conf ; then
echo 'Yeah, i wish you enjoyed it'
else
echo 'Error: there is a problem with hostapd'
fi
else
echo 'Should be ready ;)'
sleep 100d
fi
echo 'Clean des iptables'
sudo iptables --flush
sudo iptables -t nat --flush
echo 'Clean config'
rm /tmp/dnsmasq_hotspot.conf /tmp/hostapd.conf /tmp/dnsmasq.conf 2> /dev/null
if [ "${server}" == "dnsmasq" ] ; then
echo 'Switch off dnsmasq'
sudo kill $(cat $pidFile)
fi
echo 'Bye 💋'
echo 'Have a nice day <3'
|