├── AutoHotspot-Setup.tar.xz
├── AutoHotspot-Setup
└── Autohotspot
│ ├── ChangeLog-Autohotspot-Setup.txt
│ ├── ChangeLog-Autohotspot.txt
│ ├── ReadMe.txt
│ ├── autohotspot-setup.sh
│ └── config
│ ├── Checklist.md5
│ ├── autohotspot-Net.service
│ ├── autohotspot-direct
│ ├── autohotspot-direct.service
│ ├── autohotspotN
│ ├── dhcpcd-SHS.conf
│ ├── dhcpcd-SHSN.conf
│ ├── dhcpcd-autohs.conf
│ ├── dhcpcd-default.conf
│ ├── dhcpcd-remove.conf
│ ├── dnsmasqAHS.conf
│ ├── dnsmasqAHSN.conf
│ ├── dnsmasqSHS.conf
│ ├── hostapd
│ ├── hostapd.conf
│ ├── hs-iptables.service
│ ├── interfaces
│ ├── iptables-hs.txt
│ └── nft-stat-ap.txt
├── LICENSE
└── README.md
/AutoHotspot-Setup.tar.xz:
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https://raw.githubusercontent.com/RaspberryConnect/AutoHotspot-Installer/cff6c138ccbcb3f06703d99df1d0d3e13edcf10d/AutoHotspot-Setup.tar.xz
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/AutoHotspot-Setup/Autohotspot/ChangeLog-Autohotspot-Setup.txt:
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1 | Change log for autohotspot-setup.sh
2 |
3 | 0.74-2
4 | if the OS image is installed with the "Raspberry pi Imager" then the country is not set in wpa_supplicant.conf. This was used to set the correct country in hostapd.conf for the hotspot setup.
5 | This has caused the hostapd country to be blank which will cause connection issues.
6 | The country will now be defaulted to GB if not found in wpa_supplicant.conf.
7 | Correct /etc/hostapd/hostapd.conf manually or uninstall the the access point with option 4, set the wifi localisation in raspberry pi configuration. (if it is correct change to another country, ok, then change back to your country to update wpa_supplicant.conf)
8 | then reinstall autohotspot.
9 |
10 | 0.74-1
11 | added a debian to the OS detection for PiOS 64, with detection for dhcpcd incase a non PiOS version of Debian is running.
12 |
13 | 0.74
14 | added nft table support for PiOS Bullseye
15 | fixed clipped country code in hostapd.conf if wpa_supplicant created on Windows
16 | code cleanup
17 | upated text and instructions
18 |
19 | 0.73
20 | Added indents to the child functions in the Forceswitch function.
21 | In dhcpcd.conf for the static Hostspot setup, moved nohooks below the interface wlan0 line
22 | Now only wlan0 is blocked from using wpa_supplicant.conf. Wlan1 can be used to connect to a network but will
23 | not give hotspot connected devices access to the internet. The pi will have wifi network access through wlan1.
24 |
25 | 0.72
26 | Updated improved handeling of Windows special characters for updating the SSID and Password
27 | Fixed issue where not all added comment lines were removed from dhcpcd.conf file on uninstall
28 |
29 | 0.71 First release 19 Apr 2020
30 |
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/AutoHotspot-Setup/Autohotspot/ChangeLog-Autohotspot.txt:
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1 | Change log for autohotspot and autohotspotN scripts
2 |
3 | version 0.97-N/HS-I
4 | added nfttables support for PiOS 11 Bullseye or if nftables are used on Buster.
5 |
6 |
7 | version 0.961-N/HS-I & version 0.961-N/HS
8 | -Added improved handeling of windows end of line special characters in wpa_supplicant.conf from users who create the file on windows
9 | -Modify ssid handeling for checking. If the ssid contained bash command character treat them as a string and not a command.
10 | Thanks to neaxi for these updates
11 |
12 |
13 | version 0.96-N/HS-I & version 0.96-N/HS
14 |
15 | -Added error checking for status "Invalid exchange (-52)
16 | -If the wpa_supplicant.conf file was created in windows then it can contain Cr characters. These caused the ssid not to match so the hotspot was generated.
17 | SSID matching now filters the Cr.
18 | -Script output of local SSID's and BSS's in list to be read easier.
19 | -From Raspbian Buster hostapd is masked by default. If the Autohotspot setup has been done before the first system update, hostapd can get remasked. As this may happen in future updates the Autohotspot/N scripts check for Masked & enabled hostapd and dnsmasq services and disables/stops them before the script chooses network or hotspot.
20 |
21 | up to version 0.95
22 | -Various updates from initial release on Raspbian Jessie
23 |
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/AutoHotspot-Setup/Autohotspot/ReadMe.txt:
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1 | RaspberryConnect.com
2 | This installer script and the autohotspot & autohotspotN scripts can be shared and modified but all references to RaspberryConnect.com must be kept in place.
3 |
4 |
5 | AutoHotspot Setups:
6 | This script is for installing a Raspberry Pi WiFi setup where the Pi will connect to a previously configured Wifi network when the Pi is in range of the router or Automatically setup a Raspberry Pi access point when a known wifi network is not in range.
7 | This can also be run manually or with a timer to switch between a WiFi network or a WifI access point without a reboot.
8 |
9 | There are two setups available:
10 | 1: Network/Internet access available for connected devices when an ethernet cable is connected for the Raspberry Pi's 3A,3B,3B+ & 4. For Rapberry Pi's A,B, B+,& 2 if an usb Wifi adapter is used.
11 | 2: No internet access for connected devices. Designed for the Raspberry Pi Zero W or other Raspberry PI's where only a direct connection to the PI from a phone, tablet or Laptop is required.
12 |
13 | There is also a setup for permanent access point with network/internet access from eth0 for WiFi connected devices.
14 |
15 | For more information and for the manual setup's see:
16 | https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/157-raspberry-pi-auto-wifi-hotspot-switch-internet
17 | https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/158-raspberry-pi-auto-wifi-hotspot-switch-direct-connection
18 | https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/168-raspberry-pi-hotspot-access-point-dhcpcd-method
19 |
20 | This script will install any of these three setups or allow you to change between setup types.
21 | In additionm the Access Point SSID and Password can be changed, new WiFi networks can be added to the Raspberry PI while in access point mode. The Pi can be forced between WiFi Network mode and Access Point mode without a reboot. Also there is an uninstaller.
22 |
23 | To use the installer:
24 |
25 | Download the AutoHotspot-Setup.tar.xz archive from
26 | curl "https://www.raspberryconnect.com/images/hsinstaller/AutoHotspot-Setup.tar.gz" -o AutoHotspot-Setup.tar.gz
27 |
28 | Unarchive the file to the curent folder using the command
29 | tar -xzvf AutoHotspot-Setup.tar.xz
30 | If you are using the Desktop then right click on the AutoHotspot-Setup.tar.xz and select Extract Here
31 |
32 | open a terminal window and navigate to the Autohotspot folder. If this is in your home directory then use
33 | cd Autohotspot
34 | if this is your desktop then use
35 | cd ./Desktop/Autohotspot
36 | Run the script with the command
37 | sudo ./autohotspot-setup.sh
38 | This script will fail if sudo is not used.
39 |
40 | You will presented with a menu with these options
41 |
42 | 1 = Install Autohotspot with eth0 access for Connected Devices
43 | 2 = Install Autohotspot with No eth0 for connected devices
44 | 3 = Install a Permanent Access Point with eth0 access for connected devices
45 | 4 = Uninstall Autohotspot or permanent access point
46 | 5 = Add a new wifi network to the Pi (SSID) or update the password for an existing one.
47 | 6 = Autohotspot: Force to an access point or connect to WiFi network if a known SSID is in range
48 | 7 = Change the access points SSID and password
49 | 8 = Exit
50 |
51 | Option 1: Install Autohotspot with eth0 access for Connected Devices
52 | Once installed and after a reboot the Raspberry Pi will connect to a router that has previously been connected to and is listed in /etc/wpa_supplicant/wpa_supplicant.conf. If no router is in range then it will generate a WiFi access point.
53 | This will have an SSID of RPiHotspot and password of 1234567890
54 | Use option 7 to change the access point password and also the SSID if required
55 | If an ethernet cable is connected to the Pi with access to the internet then it will allow devices connected to the access point to connect to the internet or local network.
56 | Once a connection to the access point has been made you can access the Raspberry Pi via ssh & VNC with
57 | ssh pi@192.168.50.5
58 | vnc: 192.168.50.5::5900
59 | for webservers use http://192.168.50.5/
60 |
61 | Option 2: Install Autohotspot with No eth0 for connected devices
62 | This option is similar to option 1 but connected devices have no network/internet connection if an ethernet cable is connected.
63 | The Pi itself can use the eth0 connection and also be accessed from a device on the etho network.
64 | This has been designed so you can access only the Pi from a Laptop, tablet or phone.
65 | The access point SSID will be RPiHotspot with a password of 1234567890
66 | Once a connection to the access point has been made you can access the Raspberry Pi via ssh & VNC with
67 | ssh pi@10.0.0.5
68 | vnc: 10.0.0.5::5900
69 | for webservers use http://10.0.0.5/
70 |
71 | Option 3: Install a Permanent Access Point with eth0 access for connected devices
72 | This is for a permanent WiFi access point with network/internet access for connected devices.
73 | The Raspberry Pi will only have network and internet access when an ethernet cable is connected.
74 | Once a connection to the access point has been made, you can access the Raspberry Pi via ssh & VNC with
75 | ssh pi@192.168.50.10
76 | vnc: 192.168.50.10::5900
77 | for webservers use http://192.168.50.10/
78 |
79 | Additional setup is required if you wanted to use a second WiFi device to connect to a network or internet rather than a ethernet conection.
80 | This requires changing the references in the iptables or fftables files from eth0 to wlan1
81 | /etc/iptables-hs (PiOS version 10 or lower , Buster)
82 | /etc/nftables/nft-stat-ap.nft (PiOS version 11 or higher, Bullseye)
83 |
84 | Option 4: Uninstall Autohotspot or Permanent Access Point
85 | This will disable the setup of any of the three setups and return the Raspberry Pi to default Wifi settings.
86 | Hostapd & dnsmasq will not be uninstalled just disabled.
87 |
88 | Option 5: Add a new wifi network to the Pi (SSID) or update the password for an existing one.
89 | If you are using either of the autohotspot setups in access point mode and wish to connect to a local WiFi network. You will be unable to scan for any networks as the desktop wifi option will be disabled, shown as red crosses. You can manually add the details to /etc/wpa_supplicant/wpa_supplicant.conf if you know them.
90 | This option will allow you to scan for local WiFi networks and update the Pi. If you then reboot or use the Force... option 6 ,see below.
91 | This option only works for WiFi networks where only a password is required. If a username is required this will not work.
92 |
93 | Option 6: Autohotspot: Force to an access point or Force to WiFi network if a known SSID is in range
94 | This option is only for the Autohotspot setups.
95 | If you are at home and connected to your home network but would like to use the hotspot. This option will force the pi to access point mode and will ignore your home network untill the next reboot. If you use this option again while in access point mode, it will attempt to connect to a known WiFi network. This will go back to the access point if no valid WiFi network is found or there is a connection issue.
96 |
97 | Option 7: Change the Pi's access point SSID and Password
98 | By default the access point SSID is RPiHotSpot with a password of 1234567890. Use this option to change either or both SSID and Password.
99 | You will be prompted to change both but if you make no entry and press enter the existing setting will be kept.
100 | The password must be at least 8 characters.
101 |
102 | Option 8: Exit
103 | Exit the script.
104 |
105 |
106 | /etc/network/interfaces file:
107 | many older access points and network setup guides online add entries to the /etc/network/interfaces file. This file is depreciated in Raspbian & PiOS. Any entry in this file is not compatible with these setups. This installer backup and remove any entries found in this file. They will be restored if the uninstall option is used.
108 |
109 | RaspberryConnect.com
110 |
111 | Jan 29th 2022
112 |
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/AutoHotspot-Setup/Autohotspot/autohotspot-setup.sh:
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1 | #!/bin/bash
2 | #RaspberryConnect.com - Graeme Richards
3 | #This installer can be shared but all references to RaspberryConnect.com in this file
4 | #and other files used by the installer should remain in place.
5 |
6 | #Installer version 0.74-2 (19 Jan 2025)
7 | #Installer for AutoHotspot, AutohotspotN scripts and Static Access Point setup.
8 | #Autohotspot: a script that allows the Raspberry Pi to switch between Network Wifi and
9 | #an access point either at bootup or with seperate timer without a reboot.
10 |
11 | #This installer script will alter network settings and may overwrite existing settings if allowed.
12 | #/etc/hostapd/hostapd.conf (backup old), /etc/dnsmasq.conf (backup old), modifies /etc/dhcpcd.conf (modifies)
13 | #/etc/sysctl.conf (modifies), /etc/network/interfaces (backup old & removes any network entries)
14 | #PiOS 10 Buster and older use ip tables, PiOS 11 Bullseye uses nftables.
15 | #If nftables are detected as installed on the older PiOS then it will be used.
16 |
17 | #Force Access Point or Network Wifi option will only work if either autohotspot is installed and active.
18 |
19 |
20 | #Check for PiOS or Raspbian and version.
21 | osver=($(cat /etc/issue))
22 | cpath="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
23 | opt="X"
24 | vhostapd="N" vdnsmasq="N" autoH="N"
25 | autoserv="N" iptble="N" nftble="N"
26 |
27 | if [ "${osver[0]}" != 'Raspbian' ] && [ "${osver[0]}" != 'Debian' ]; then
28 | echo "This AutoHotspot installer is only for the PiOS & Raspbian on the Raspberry Pi"
29 | exit 1
30 | elif [ "${osver[2]}" -ge 10 ]; then
31 | echo 'OS Version' "${osver[2]}"
32 | elif [ "${osver[2]}" -lt 8 ];then
33 | echo "The version of PiOS or Raspbian is too old for the Autohotspot script"
34 | echo "Version 8 'Jessie' is the minimum requirement"
35 | fi
36 | if [ "${osver[0]}" == 'Debian' ]; then
37 | if ! systemctl -all list-unit-files dhcpcd.service | grep "dhcpcd.service enabled" >/dev/null 2>&1;then
38 | echo "Debian OS detected"
39 | echo "dhcpcd is not the default DHCP client"
40 | echo "This script is intended for the Raspberry Pi OS"
41 | echo "and requires dhcpcd to be the default DHCP client"
42 | exit 1
43 | fi
44 | fi
45 |
46 | check_installed()
47 | {
48 | #check if required software is already installed
49 | if dpkg -s "hostapd" | grep 'Status: install ok installed' >/dev/null 2>&1; then
50 | vhostapd="Y"
51 | fi
52 | if dpkg -s "dnsmasq" | grep 'Status: install ok installed' >/dev/null 2>&1; then
53 | vdnsmasq="Y"
54 | fi
55 | #Does an Autohotspot files exist
56 | if ls /usr/bin/ | grep "autohotspot*" >/dev/null 2>&1 ; then
57 | autoH="Y"
58 | fi
59 | if ls /etc/systemd/system/ | grep "autohotspot.service" >/dev/null 2>&1 ; then
60 | autoserv="Y"
61 | fi
62 | if dpkg -s "iptables" >/dev/null 2>&1 ; then
63 | iptble="Y"
64 | fi
65 | if dpkg -s "nftables" >/dev/null 2>&1 ; then
66 | nftble="Y"
67 | fi
68 | }
69 |
70 | check_reqfiles()
71 | {
72 | fstatus=0
73 | cd "${cpath}/config/"
74 | if test -f "Checklist.md5" ;then
75 | if ! md5sum -c --quiet Checklist.md5 ;then
76 | echo "one or more of the required files in the config folder are missing or have been altered"
77 | echo "please download the installer again from RaspberryConnect.com"
78 | exit
79 | fi
80 | else
81 | echo "The file Checklist.md5 is missing from Config folder"
82 | echo "Please download the installer again"
83 | echo "from RaspberryConnect.com"
84 | exit
85 | fi
86 |
87 | }
88 |
89 | check_wificountry()
90 | {
91 | #echo "Checking WiFi country"
92 | wpa=($(cat "/etc/wpa_supplicant/wpa_supplicant.conf" | tr -d '\r' | grep "country="))
93 | if [ -z ${wpa: -2} ] || [[ ${wpa: -2} == *"="* ]];then
94 | echo "The WiFi country has not been set. This is required for the access point setup."
95 | echo "Please update PiOS with the wifi country using the command 'sudo raspi-config' and choose the localisation menu"
96 | echo "From the desktop this can be done in the menu Preferences - Raspberry Pi Configuration - Localisation"
97 | echo "Once done please try again."
98 | echo ""
99 | echo "press a key to continue"
100 | read
101 | fi
102 | }
103 |
104 | hostapd_config()
105 | {
106 | echo "hostapd Config"
107 | echo "Hostapd Status is " $vhostapd
108 | if [ "$vhostapd" = "N" ]; then
109 | echo "Hostapd not installed- now installing"
110 | apt -q install hostapd
111 | echo "Recheck install Status"
112 | check_installed
113 | if [ "$vhostapd" = "N" ]; then
114 | echo ""
115 | echo ""
116 | echo "Hostapd failed to install. Check there is internet access"
117 | echo "and try again"
118 | echo "Press a key to continue"
119 | read
120 | menu
121 | fi
122 | fi
123 | echo "Hostapd is installed"
124 | if ! grep -F "RaspberryConnect.com" "/etc/hostapd/hostapd.conf" ;then
125 | #not a autohotspot file, create backup
126 | mv "/etc/hostapd/hostapd.conf" "/etc/hostapd/hostapd-RCbackup.conf"
127 | fi
128 | cp "$cpath/config/hostapd.conf" /etc/hostapd/hostapd.conf
129 | if [ "${osver[2]}" -lt 10 ]; then
130 | cp "$cpath/config/hostapd" /etc/default/hostapd
131 | fi
132 | if [ "$opt" = "AHN" ] || [ "$opt" = "AHD" ]; then
133 | #For Autohotspots
134 | echo "Unmask & Disable Hostapd"
135 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service masked" >/dev/null 2>&1;then
136 | systemctl unmask hostapd.service >/dev/null 2>&1
137 | fi
138 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service enabled" >/dev/null 2>&1;then
139 | systemctl disable hostapd.service >/dev/null 2>&1
140 | fi
141 | elif [ "$opt" = "SHS" ]; then
142 | #for Static Hotspot
143 | echo "Unmask and enable hostapd"
144 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service masked" >/dev/null 2>&1; then
145 | systemctl unmask hostapd >/dev/null 2>&1
146 | fi
147 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service disabled" >/dev/null 2>&1; then
148 | systemctl enable hostapd >/dev/null 2>&1
149 | fi
150 | elif [ "$opt" = "REM" ]; then
151 | if [ -f "/etc/hostapd/hostapd-RCbackup.conf" ] ; then
152 | mv "/etc/hostapd/hostapd-RCbackup.conf" "/etc/hostapd/hostapd.conf"
153 | fi
154 | fi
155 | #check country code for hostapd.conf
156 | wpa=($(cat "/etc/wpa_supplicant/wpa_supplicant.conf" | tr -d '\r' | grep "country="))
157 | hapd=($(cat "/etc/hostapd/hostapd.conf" | tr -d '\r' | grep "country_code="))
158 | if [ -z ${wpa: -2} ] || [[ ${wpa: -2} == *"="* ]] ;then
159 | #if no country set in wpa_supplicant use the template country
160 | echo "wpa_supplicant.conf has no country code set."
161 | echo " Setting up country GB default in hostapd.conf"
162 | elif [[ ! ${wpa: -2} == ${hapd: -2} ]] ;then
163 | echo "Changing Hostapd Wifi country to " ${wpa: -2}
164 | sed -i -e "/country_code=/c\country_code=${wpa: -2}" /etc/hostapd/hostapd.conf
165 | fi
166 | }
167 |
168 | dnsmasq_config()
169 | {
170 | echo "Dnsmasq Config"
171 | if [ "$vdnsmasq" = "N" ]; then
172 | apt -q install dnsmasq
173 | check_installed
174 | if [ "$vdnsmasq" = "N" ]; then
175 | echo ""
176 | echo ""
177 | echo "dnsmasq failed to install. Check there is internet access"
178 | echo "and try again"
179 | echo "Press a key to continue"
180 | read
181 | menu
182 | fi
183 | fi
184 | if [ -f "/etc/dnsmasq.conf" ] ; then
185 | if ! grep -F "RaspberryConnect.com" "/etc/dnsmasq.conf" ;then
186 | #not a autohotspot file, create backup
187 | mv "/etc/dnsmasq.conf" "/etc/dnsmasq-RCbackup.conf"
188 | fi
189 | fi
190 | if [ "$opt" = "AHN" ] ; then
191 | echo "${cpath}/config/dnsmasqAHSN.conf"
192 | cp "${cpath}/config/dnsmasqAHSN.conf" "/etc/dnsmasq.conf"
193 | elif [ "$opt" = "AHD" ];then
194 | cp "${cpath}/config/dnsmasqAHS.conf" "/etc/dnsmasq.conf"
195 | elif [ "$opt" = "SHS" ] ;then
196 | cp "${cpath}/config/dnsmasqSHS.conf" "/etc/dnsmasq.conf"
197 | fi
198 | if [ "$opt" = "AHN" ] || [ "$opt" = "AHD" ]; then
199 | #For Autohotspots
200 | echo "Unmask & Disable Dnsmasq"
201 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service masked" ;then
202 | systemctl unmask dnsmasq >/dev/null 2>&1
203 | fi
204 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service enabled" ;then
205 | systemctl disable dnsmasq >/dev/null 2>&1
206 | fi
207 | elif [ "$opt" = "SHS" ]; then
208 | #for Static Hotspot
209 | echo "Unmask & Enable Dnsmasq"
210 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service masked" ;then
211 | systemctl unmask dnsmasq >/dev/null 2>&1
212 | fi
213 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service disabled" ;then
214 | systemctl enable dnsmasq >/dev/null 2>&1
215 | fi
216 | fi
217 | if [ "$opt" = "REM" ]; then
218 | if [ -f "/etc/dnsmasq-RCbackup.conf" ] ; then
219 | mv "/etc/dnsmasq-RCbackup.conf" "/etc/dnsmasq.conf"
220 | fi
221 | fi
222 |
223 | }
224 | dhcpcd_config()
225 | {
226 | #Make backup if not done
227 | if [ ! "/etc/dhcpcd-RCbackup.conf" ] ;then
228 | mv "/etc/dhcpcd.conf" "/etc/dhcpcd-RCbackup.conf"
229 | fi
230 | if [ "$opt" = "AHN" ] || [ "$opt" = "AHD" ] ;then
231 | #use backup for Auto scripts to retain any custon Network Config like static ip's
232 | if [ ! "/etc/dhcpcd-RCbackup.conf" ] ;then
233 | cp "/etc/dhcpcd-RCbackup.conf" "/etc/dhcpcd.conf"
234 | fi
235 | grep -vxf "${cpath}/config/dhcpcd-remove.conf" "/etc/dhcpcd.conf" > "${cpath}/config/Ndhcpcd.conf"
236 | cat "${cpath}/config/dhcpcd-autohs.conf" >> "${cpath}/config/Ndhcpcd.conf"
237 | mv "${cpath}/config/Ndhcpcd.conf" "/etc/dhcpcd.conf"
238 | elif [ "$opt" = "SHS" ]; then
239 | #use clean dhcpcd.conf for static hotspot, backup will be restored on removal /etc/dhcpcd-RCbackup.conf
240 | cp "${cpath}/config/dhcpcd-default.conf" "/etc/dhcpcd.conf"
241 | grep -vxf "${cpath}/config/dhcpcd-remove.conf" "/etc/dhcpcd.conf" > "${cpath}/config/Ndhcpcd.conf"
242 | cat "${cpath}/config/dhcpcd-SHSN.conf" >> "${cpath}/config/Ndhcpcd.conf"
243 | mv "${cpath}/config/Ndhcpcd.conf" "/etc/dhcpcd.conf"
244 | fi
245 | }
246 |
247 | sysctl()
248 | {
249 | if [ "$opt" = "AHN" ] || [ "$opt" = "SHS" ] ;then
250 | sed -i -e "/#net.ipv4.ip_forward=1/c\net.ipv4.ip_forward=1" /etc/sysctl.conf
251 | elif [ "$opt" = "AHD" ] || [ "$opt" = "REM" ] ;then
252 | sed -i -e "/net.ipv4.ip_forward=1/c\#net.ipv4.ip_forward=1" /etc/sysctl.conf
253 | fi
254 | }
255 |
256 | auto_service()
257 | {
258 | if [ "$opt" = "AHN" ] ;then
259 | cp "${cpath}/config/autohotspot-Net.service" "/etc/systemd/system/autohotspot.service"
260 | systemctl daemon-reload
261 | systemctl enable autohotspot
262 | elif [ "$opt" = "AHD" ] ;then
263 | cp "${cpath}/config/autohotspot-direct.service" "/etc/systemd/system/autohotspot.service"
264 | systemctl daemon-reload
265 | systemctl enable autohotspot
266 | fi
267 | if [ "$opt" = "REM" ] || [ "$opt" = "SHS" ]; then
268 | if systemctl -all list-unit-files autohotspot.service | grep "autohotspot.service enabled" ;then
269 | systemctl disable autohotspot.service
270 | fi
271 | if [ -f "/etc/systemd/system/autohotspot.service" ]; then
272 | rm /etc/systemd/system/autohotspot.service
273 | fi
274 | fi
275 |
276 | }
277 | hs_routing()
278 | {
279 | if [ "$opt" = "SHS" ] ;then
280 | if [ "$iptble" = "Y" ] ; then
281 | if [ ! -f "/etc/systemd/system/hs-iptables.service" ];then
282 | cp "${cpath}/config/hs-iptables.service" "/etc/systemd/system/hs-iptables.service"
283 | fi
284 | if systemctl -all list-unit-files hs-iptables.service | grep "hs-iptables.service enabled" ;then
285 | systemctl daemon-reload
286 | fi
287 | if systemctl -all list-unit-files hs-iptables.service | grep "hs-iptables.service disabled" ;then
288 | systemctl enable hs-iptables.service
289 | fi
290 | if [ ! -f "/etc/iptables-hs" ] ;then
291 | cp "${cpath}/config/iptables-hs.txt" "/etc/iptables-hs"
292 | chmod +x "/etc/iptables-hs"
293 | fi
294 |
295 | elif [ "$nftble" = "Y" ] ; then
296 | if [ ! -d '/etc/nftables' ] ; then
297 | mkdir /etc/nftables
298 | fi
299 | if ! cat '/etc/nftables.conf' | grep 'nft-stat-ap.nft' ; then
300 | cp "${cpath}/config/nft-stat-ap.txt" "/etc/nftables/nft-stat-ap.nft"
301 | chmod +x "/etc/nftables/nft-stat-ap.nft"
302 | sed -i '$ a include "/etc/nftables/nft-stat-ap.nft"' "/etc/nftables.conf"
303 | if systemctl -all list-unit-files nftables.service | grep "nftables.service disabled" ;then
304 | systemctl enable nftables >/dev/null 2>&1
305 | fi
306 | fi
307 | fi
308 | elif [ "$opt" = "REM" ] || [ "$opt" = "AHN" ] || [ "$opt" = "AHD" ] ; then
309 | if [ "$iptble" = "Y" ] ; then
310 | if systemctl is-active hs-iptables | grep -w "active" ;then
311 | systemctl disable hs-iptables.service
312 | fi
313 | if test -f "/etc/systemd/system/hs-iptables.service" ; then
314 | rm /etc/systemd/system/hs-iptables.service
315 | fi
316 | if test -f "/etc/iptables-hs" ; then
317 | rm /etc/iptables-hs
318 | fi
319 | elif [ "$nftble" = "Y" ] ; then
320 | sed -i '/nft-stat-ap/d' '/etc/nftables.conf'
321 | fi
322 | fi
323 | }
324 |
325 | auto_script()
326 | {
327 | if [ "$opt" = "AHN" ] ;then
328 | cp "${cpath}/config/autohotspotN" "/usr/bin/autohotspotN"
329 | chmod +x /usr/bin/autohotspotN
330 | elif [ "$opt" = "AHD" ] ;then
331 | cp "${cpath}/config/autohotspot-direct" "/usr/bin/autohotspot"
332 | chmod +x /usr/bin/autohotspot
333 | elif [ "$opt" = "REM" ] || [ "$opt" = "SHS" ] ;then
334 | if [ -f "/usr/bin/autohotspotN" ]; then
335 | rm /usr/bin/autohotspotN
336 | fi
337 | if [ -f "/usr/bin/autohotspot" ]; then
338 | rm /usr/bin/autohotspot
339 | fi
340 | fi
341 | }
342 |
343 | interface()
344 | {
345 | #if interfaces file contains network settings
346 | #backup and remove.
347 | if grep -vxf "${cpath}/config/interfaces" "/etc/network/interfaces" ;then
348 | mv "/etc/network/interfaces" "/etc/network/RCbackup-interfaces"
349 | cp "${cpath}/config/interfaces" "/etc/network/interfaces"
350 | fi
351 | if [ "$opt" = "REM" ] ;then
352 | if [ -f "/etc/network/RCbackup-interfaces" ] ;then
353 | mv "/etc/network/RCbackup-interfaces" "/etc/network/interfaces"
354 | fi
355 | fi
356 | }
357 |
358 | remove()
359 | {
360 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service enabled" ;then
361 | systemctl disable hostapd >/dev/null 2>&1
362 | fi
363 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service enabled" ;then
364 | systemctl disable dnsmasq >/dev/null 2>&1
365 | fi
366 | auto_script #Remove Autohotspot Scripts
367 | #Reset DHCPCD.conf
368 | if [ -f "/etc/dhcpcd-RCbackup.conf" ] ;then #restore backup
369 | mv "/etc/dhcpcd-RCbackup.conf" "/etc/dhcpcd.conf"
370 | else #or remove edits if no backup
371 | echo "Removing config from dhcpcd.conf"
372 | grep -vxf "${cpath}/config/dhcpcd-remove.conf" "/etc/dhcpcd.conf" > "${cpath}/config/Ndhcpcd.conf"
373 | mv "${cpath}/config/Ndhcpcd.conf" "/etc/dhcpcd.conf"
374 | fi
375 | hs_routing #remove routing for Static HS
376 | sysctl #remove port forwarding
377 | interface #restore backup of interfaces fle
378 | auto_service #remove autohotspot.service
379 | }
380 |
381 | Hotspotssid()
382 | {
383 | #Change the Default Hotspot SSID and Password
384 | if [ ! -f "/etc/hostapd/hostapd.conf" ] ;then
385 | echo "An Access Point is not installed. No Password to change"
386 | echo "press enter to continue"
387 | read
388 | menu
389 | fi
390 | HSssid=($(cat "/etc/hostapd/hostapd.conf" | grep '^ssid='))
391 | HSpass=($(cat "/etc/hostapd/hostapd.conf" | grep '^wpa_passphrase='))
392 | echo "Change the Access Point's SSID and Password. press enter to keep existing settings"
393 | echo "The current SSID is:" "${HSssid:5}"
394 | echo "The current SSID Password is:" "${HSpass:15}"
395 | echo "Enter the new Access Point SSID:"
396 | read ssname
397 | echo "Enter the hotspots new password. Minimum 8 characters"
398 | read sspwd
399 | if [ ! -z $ssname ] ;then
400 | echo "Changing Hotspot SSID to:" "$ssname"
401 | sed -i -e "/^ssid=/c\ssid=$ssname" /etc/hostapd/hostapd.conf
402 | else
403 | echo "The Hotspot SSID is" ${HSssid: 5}
404 | fi
405 | if [ ! -z $sspwd ] && [ ${#sspwd} -ge 8 ] ;then
406 | echo "Changing Access Point Password to:" "$sspwd"
407 | sed -i -e "/^wpa_passphrase=/c\wpa_passphrase=$sspwd" /etc/hostapd/hostapd.conf
408 | else
409 | echo "The Access Point Password is:" ${HSpass: 15}
410 | fi
411 | echo ""
412 | echo "The new setup will be available next time the hotspot is started"
413 | echo "Press a key to continue"
414 | read
415 | menu
416 | }
417 |
418 | setupssid()
419 | {
420 | echo "Searching for local WiFi connection"
421 | echo "Add a new WiFi network or change the password for an existing one in range"
422 | echo "For Wifi networks where only a password is required."
423 | echo "This will not work where a username and password is required"
424 | echo ""
425 | echo "If the Pi is currently in Access Point mode with a Autohotspot"
426 | echo "then use option 6 to Force the Pi to the newly added Wifi Network"
427 | ct=0; j=0 ; lp=0
428 | wfselect=()
429 |
430 | until [ $lp -eq 1 ] #wait for wifi if busy, usb wifi is slower.
431 | do
432 | IFS=$'\n:$\t' localwifi=($((iw dev wlan0 scan ap-force | egrep "SSID:") 2>&1)) >/dev/null 2>&1
433 | #if wifi device errors recheck
434 | if (($j >= 5)); then #if busy 5 times exit to menu
435 | echo "WiFi Device Unavailable, cannot scan for wifi devices at this time"
436 | echo "press a key to continue"
437 | menu
438 | break
439 | elif echo "${localwifi[1]}" | grep "No such device (-19)" >/dev/null 2>&1; then
440 | echo "No Device found,trying again"
441 | j=$((j + 1))
442 | sleep 2
443 | elif echo "${localwifi[1]}" | grep "Network is down (-100)" >/dev/null 2>&1 ; then
444 | echo "Network Not available, trying again"
445 | j=$((j + 1))
446 | sleep 2
447 | elif echo "${localwifi[1]}" | grep "Read-only file system (-30)" >/dev/null 2>&1 ; then
448 | echo "Temporary Read only file system, trying again"
449 | j=$((j + 1))
450 | sleep 2
451 | elif echo "${localwifi[1]}" | grep "Invalid exchange (-52)" >/dev/null 2>&1 ; then
452 | echo "Temporary unavailable, trying again"
453 | j=$((j + 1))
454 | sleep 2
455 | elif echo "${localwifi[1]}" | grep -v "Device or resource busy (-16)" >/dev/null 2>&1 ; then
456 | lp=1
457 | else #see if device not busy in 2 seconds
458 | echo "WiFi Device unavailable checking again"
459 | j=$((j + 1))
460 | sleep 2
461 | fi
462 | done
463 |
464 | #Wifi Connections found - continue
465 | for x in "${localwifi[@]}"
466 | do
467 | if [ $x != "SSID" ]; then
468 | ct=$((ct + 1))
469 | echo "$ct ${x/ /}"
470 | wfselect+=("${x/ /}")
471 | fi
472 | done
473 | ct=$((ct + 1))
474 | echo "$ct To Cancel"
475 | wfselect+=("Cancel")
476 | if [ "${#wfselect[@]}" -eq 1 ] ;then
477 | echo "Unable to detect local WiFi devices. Maybe there is a temporary issue with your WiFi"
478 | echo "Try again in a minute"
479 | echo "press a enter to continue"
480 | read
481 | menu
482 | fi
483 |
484 | read wf
485 | if [[ $wf =~ ^[0-9]+$ ]]; then
486 | if [ $wf -ge 0 ] && [ $wf -le $ct ]; then
487 | updatessid "${wfselect[$wf-1]}"
488 | else
489 | echo -e "\nNot a Valid entry"
490 | setupssid
491 | fi
492 | else
493 | echo -e "\nNot a Valid entry"
494 | setupssid
495 | fi
496 | }
497 |
498 | updatessid()
499 | {
500 | #check for blank in return
501 | echo "$1"
502 | echo ""
503 | if [ "$1" = "Cancel" ] || [ "$1" = "" ] ; then
504 | menu
505 | exit
506 | fi
507 |
508 | IFS="," wpassid=$(awk '/ssid="/{ print $0 }' /etc/wpa_supplicant/wpa_supplicant.conf | awk -F'ssid=' '{ print $2 }' | sed 's/\r//g'| awk 'BEGIN{ORS=","} {print}' | sed 's/\"/''/g' | sed 's/,$//')
509 | ssids=($wpassid)
510 | if [[ ! " ${ssids[@]} " =~ " $1 " ]]; then
511 | echo "Add New Wifi Network"
512 | echo "Selection SSID: $1"
513 | echo ""
514 | echo "Enter password for Wifi"
515 | read ssidpw
516 | echo -e "\nnetwork={\n\tssid=\x22$1\x22\n\tpsk=\x22$ssidpw\x22\n\tkey_mgmt=WPA-PSK\n}" >> /etc/wpa_supplicant/wpa_supplicant.conf
517 | else
518 | f=0
519 | echo "Change Password for Selected Wifi"
520 | while IFS= read -r ln || [[ -n "$ln" ]] <&3; do
521 | if [[ "$ln" == *"psk="* ]] && [ $f -eq 1 ] ;then
522 | break
523 | elif [[ "$ln" == *"$1"* ]] ; then
524 | f=1
525 | fi
526 | done < /etc/wpa_supplicant/wpa_supplicant.conf
527 | echo "Change Wifi Network Password"
528 | echo "Selected SSID: $1"
529 | echo ""
530 | echo "Enter password for Wifi"
531 | read chgpw
532 | newpsk=$'\tpsk=\x22'$chgpw$'\x22\n'
533 | echo "The entry will be" $newpsk
534 | echo "To be Replaced $ln"
535 | sed -i '/'"$ln"'/c\'"$newpsk" /etc/wpa_supplicant/wpa_supplicant.conf
536 | f=0
537 | fi
538 | }
539 |
540 | forceswitch()
541 | {
542 | if [ ! -f "/etc/systemd/system/autohotspot.service" ] ;then
543 | echo "No Autohotspot script installed, unable to continue"
544 | echo "press enter to continue"
545 | read
546 | menu
547 | fi
548 | #Create Hotspot or connect to valid wifi networks
549 | echo 0 > /proc/sys/net/ipv4/ip_forward #deactivate ip forwarding
550 |
551 | if systemctl status hostapd | grep "(running)" >/dev/null 2>&1
552 | then
553 | echo "The access point is already active"
554 | echo "Switching to Network Wifi if it is available"
555 | echo "this takes about 20 seconds to complete checks"
556 | systemctl restart autohotspot.service
557 | menu
558 | elif { wpa_cli status | grep "$wifidev"; } >/dev/null 2>&1
559 | then
560 | echo "Cleaning wifi files and Activating Hotspot"
561 | wpa_cli terminate >/dev/null 2>&1
562 | ip addr flush "$wifidev"
563 | ip link set dev "$wifidev" down
564 | rm -r /var/run/wpa_supplicant >/dev/null 2>&1
565 | get_HS_IP
566 | else #Neither the Hotspot or Network is active
567 | get_HS_IP
568 | fi
569 | }
570 | ##
571 | createAdHocNetwork_N() #for Internet routed Hotspot for Force Switch
572 | {
573 | #receive IP as $1
574 | echo "Creating Hotspot with Internet"
575 | ip link set dev "$wifidev" down
576 | ip a add $1 brd + dev "$wifidev"
577 | ip link set dev "$wifidev" up
578 | dhcpcd -k "$wifidev" >/dev/null 2>&1
579 | if iptables 2>&1 | grep 'no command specified' >/dev/null 2>&1 ; then
580 | iptables -t nat -A POSTROUTING -o "$ethdev" -j MASQUERADE
581 | iptables -A FORWARD -i "$ethdev" -o "$wifidev" -m state --state RELATED,ESTABLISHED -j ACCEPT
582 | iptables -A FORWARD -i "$wifidev" -o "$ethdev" -j ACCEPT
583 | elif nft 2>&1 | grep 'no command specified' >/dev/null 2>&1 ; then
584 | nft add table inet ap
585 | nft add chain inet ap rthrough { type nat hook postrouting priority 0 \; policy accept \; }
586 | nft add rule inet ap rthrough oifname "$ethdev" masquerade
587 | nft add chain inet ap fward { type filter hook forward priority 0 \; policy accept \; }
588 | nft add rule inet ap fward iifname "$ethdev" oifname "$wifidev" ct state established,related accept
589 | nft add rule inet ap fward iifname "$wifidev" oifname "$ethdev" accept
590 | fi
591 | systemctl start dnsmasq
592 | systemctl start hostapd
593 | echo 1 > /proc/sys/net/ipv4/ip_forward
594 | }
595 |
596 | createAdHocNetwork_D() #For non Internet Routed Hotspot for Force Switch
597 | {
598 | echo "Creating WiFi access point with no network/internet for connected devices"
599 | echo "through eth0"
600 | ip link set dev "$wifidev" down
601 | ip a add $1 brd + dev "$wifidev"
602 | ip link set dev "$wifidev" up
603 | dhcpcd -k "$wifidev" >/dev/null 2>&1
604 | systemctl start dnsmasq
605 | systemctl start hostapd
606 | }
607 |
608 | get_HS_IP() #get ip address from current active hotspot script for Force Switch
609 | {
610 | if [ ${Aserv: -4} = "spot" ];then #Direct
611 | ipline=($(cat /usr/bin/autohotspot | grep "ip a add"))
612 | createAdHocNetwork_D "${ipline[3]}"
613 | elif [ ${Aserv: -4} = "potN" ];then #Internet
614 | ipline=($(cat /usr/bin/autohotspotN | grep "ip a add"))
615 | createAdHocNetwork_N "${ipline[3]}"
616 | else
617 | echo "The Autohotspot is disabled or not installed"
618 | echo "unable to force a switch."
619 | echo "Press enter to continue"
620 | read
621 | menu
622 | fi
623 | }
624 |
625 | display_HS_IP() #get ip address from current active hotspot script
626 | {
627 | Aserv=($(cat /etc/systemd/system/autohotspot.service 2>/dev/null| grep "ExecStart=")) #which hotspot is active?
628 | if [ ${Aserv: -4} = "spot" ] >/dev/null 2>&1 ;then #Direct
629 | ipline=($(cat /usr/bin/autohotspot | grep "ip a add"))
630 | echo "Access Point IP Address for SSH and VNC: ${ipline[3]: :-3}"
631 | elif [ ${Aserv: -4} = "potN" ] >/dev/null 2>&1 ;then #Internet
632 | ipline=($(cat /usr/bin/autohotspotN | grep "ip a add"))
633 | echo "Access Point IP Address for SSH and VNC: ${ipline[3]: :-3}"
634 | else #Static Hotspot default IP
635 | echo "Access Point IP Address for ssh and VNC: 192.168.50.10"
636 | fi
637 | }
638 |
639 | go()
640 | {
641 | opt="$1"
642 | #echo "Selected" "$opt"
643 | #echo "Action options"
644 | if [ "$opt" = "REM" ] ;then
645 | remove
646 | echo "Please reboot to complete the uninstall"
647 | elif [ "$opt" = "SSI" ] ;then
648 | setupssid
649 | echo "the new ssid will be used next time the autohotspot script is "
650 | echo "run at boot or manually otherwise use the Force to.... option"
651 | echo "if the hotspot is active"
652 | elif [ "$opt" = "FOR" ] ;then
653 | if [ ! -f "/etc/systemd/system/autohotspot.service" ] ;then
654 | echo "No Autohotspot script installed, unable to continue"
655 | echo "press enter to continue"
656 | read
657 | menu
658 | fi
659 | Aserv=($(cat /etc/systemd/system/autohotspot.service | grep "ExecStart="))
660 | wi=($(cat ${Aserv: 10} | grep wifidev=))
661 | eth=($(cat ${Aserv: 10} | grep ethdev=))
662 | wifidev=${wi[0]: 9:-1} #wifi device name from active autohotspot/N script
663 | ethdev=${eth[0]: 8:-1} #Ethernet port to use with IP tables
664 | forceswitch
665 | elif [ "$opt" = "HSS" ] ;then
666 | Hotspotssid
667 | else
668 | hostapd_config
669 | dnsmasq_config
670 | interface
671 | sysctl
672 | dhcpcd_config
673 | auto_service
674 | hs_routing
675 | auto_script
676 | echo ""
677 | echo "The hotspot setup will be available after a reboot"
678 | HSssid=($(cat "/etc/hostapd/hostapd.conf" | grep '^ssid='))
679 | HSpass=($(cat "/etc/hostapd/hostapd.conf" | grep '^wpa_passphrase='))
680 | echo "The Hotspots WiFi SSID name is: ${HSssid: 5}"
681 | echo "The WiFi password is: ${HSpass: 15}"
682 | display_HS_IP
683 | fi
684 | echo "Press any key to continue"
685 | read
686 |
687 | }
688 |
689 | menu()
690 | {
691 | #selection menu
692 | clear
693 | until [ "$select" = "8" ]; do
694 | echo "Raspberryconnect.com Autohotspot installation and setup"
695 | echo "for installation or switching between access point types"
696 | echo "or uninstall the access point back to standard Pi wifi"
697 | echo ""
698 | echo "Autohotspot Net = connects to a known wifi network in range,"
699 | echo "otherwise automatically creates a Raspberry Pi access point with network/internet access if an"
700 | echo "ethernet cable is connected. Uses wlan0, eth0. Pi's 3,3+,4"
701 | echo ""
702 | echo "Autohotspot NO Net = as above but connected devices to the access point"
703 | echo "will NOT get a network/internet connection if an ethernet cable is connected. Rpi Zero W & RPi Zero 2"
704 | echo ""
705 | echo "Permanent Access Point = permanent access point with network/internet access from eth0 for"
706 | echo "connected devices"
707 | echo ""
708 | echo " 1 = Install Autohotspot with eth0 access for Connected Devices"
709 | echo " 2 = Install Autohotspot with No eth0 for connected devices"
710 | echo " 3 = Install a Permanent Access Point with eth0 access for connected devices"
711 | echo " 4 = Uninstall Autohotspot or permanent access point"
712 | echo " 5 = Add a new wifi network to the Pi (SSID) or update the password for an existing one."
713 | echo " 6 = Autohotspot: Force to an access point or connect to WiFi network if a known SSID is in range"
714 | echo " 7 = Change the access points SSID and password"
715 | echo " 8 = Exit"
716 | echo ""
717 | echo -n "Select an Option:"
718 | read select
719 | case $select in
720 | 1) clear ; go "AHN" ;; #Autohospot Internet
721 | 2) clear ; go "AHD" ;; #Autohotspot Direct
722 | 3) clear ; go "SHS" ;; #Static Hotspot
723 | 4) clear ; go "REM" ;; #Remove Autohotspot or Static Hotspot
724 | 5) clear ; go "SSI" ;; #Change/Add Wifi Network
725 | 6) clear ; go "FOR" ;; #Force Hotspot <> Force Network
726 | 7) clear ; go "HSS" ;; #Change Hotspot SSID and Password
727 | 8) clear ; exit ;;
728 | *) clear; echo "Please select again";;
729 | esac
730 | done
731 | }
732 |
733 | check_reqfiles
734 | check_installed
735 | check_wificountry
736 | menu #show menu
737 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/Checklist.md5:
--------------------------------------------------------------------------------
1 | ee57146896654d47d720346fc80b8644 ./autohotspot-direct
2 | b87b8b6fa19445d0e65045d8e271f456 ./autohotspot-direct.service
3 | a7760cbb61be5f71fb9ee8a7605fddc3 ./autohotspotN
4 | bb7fd111c1baa11fdee18699041a2516 ./autohotspot-Net.service
5 | 557bfbf9d19f7d4a8d8fd19e40a435c5 ./dhcpcd-autohs.conf
6 | 00374ad1a5e6d4d7779380ed8e5a4a68 ./dhcpcd-default.conf
7 | 889cc706f9919532bf0f281b3ff54cc5 ./dhcpcd-remove.conf
8 | 77c4e9c1a5a8fdbbb3950f0f0428aabb ./dhcpcd-SHS.conf
9 | 604aaa184b142533198d310aae5fe1e1 ./dhcpcd-SHSN.conf
10 | 8789bd5d1674e65d18c21c3bcffdfb0a ./dnsmasqAHS.conf
11 | 807885886aa6a40f30d4c9d480b80c84 ./dnsmasqAHSN.conf
12 | 25e3152c11d0860428bcb51b25e33441 ./dnsmasqSHS.conf
13 | 50d80f635b02b8ce58bfa8f260eba7e7 ./hostapd
14 | 0d495cabd4ce6d63e0eea040cc435540 ./hostapd.conf
15 | d0f09b7f89ef821edaef58e7b91b313a ./hs-iptables.service
16 | c82e7473bb1490cf4702aaf7b669bb33 ./interfaces
17 | fbb31822a27f4acca55acdb8f52d538c ./iptables-hs.txt
18 | 2d22ed0842def19f724eeaa4e0b0646f ./nft-stat-ap.txt
19 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/autohotspot-Net.service:
--------------------------------------------------------------------------------
1 | [Unit]
2 | Description=Automatically generates a Hotspot when a valid SSID is not in range
3 | After=multi-user.target
4 | [Service]
5 | Type=oneshot
6 | RemainAfterExit=yes
7 | ExecStart=/usr/bin/autohotspotN
8 | [Install]
9 | WantedBy=multi-user.target
10 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/autohotspot-direct:
--------------------------------------------------------------------------------
1 | #!/bin/bash
2 | #version 0.961-N/HS
3 |
4 | #You may share this script on the condition all references to RaspberryConnect.com
5 | #must be included in copies or derivatives of this script.
6 |
7 | #A script to switch between a wifi network and a non internet routed Hotspot
8 | #Works at startup or with a seperate timer or manually without a reboot
9 | #Other setup required find out more at
10 | #http://www.raspberryconnect.com
11 |
12 | wifidev="wlan0" #device name to use. Default is wlan0.
13 | #use the command: iw dev ,to see wifi interface name
14 |
15 | IFSdef=$IFS
16 | cnt=0
17 | #These four lines capture the wifi networks the RPi is setup to use
18 | wpassid=$(awk '/ssid="/{ print $0 }' /etc/wpa_supplicant/wpa_supplicant.conf | awk -F'ssid=' '{ print $2 }' | sed 's/\r//g'| awk 'BEGIN{ORS=","} {print}' | sed 's/\"/''/g' | sed 's/,$//')
19 | IFS=","
20 | ssids=($wpassid)
21 | IFS=$IFSdef #reset back to defaults
22 |
23 |
24 | #Note:If you only want to check for certain SSIDs
25 | #Remove the # in in front of ssids=('mySSID1'.... below and put a # infront of all four lines above
26 | # separated by a space, eg ('mySSID1' 'mySSID2')
27 | #ssids=('mySSID1' 'mySSID2' 'mySSID3')
28 |
29 | #Enter the Routers Mac Addresses for hidden SSIDs, seperated by spaces ie
30 | #( '11:22:33:44:55:66' 'aa:bb:cc:dd:ee:ff' )
31 | mac=()
32 |
33 | ssidsmac=("${ssids[@]}" "${mac[@]}") #combines ssid and MAC for checking
34 |
35 | createAdHocNetwork()
36 | {
37 | echo "Autohotspot by RaspberryConnect.com"
38 | echo "Creating Hotspot"
39 | ip link set dev "$wifidev" down
40 | ip a add 10.0.0.5/24 brd + dev "$wifidev"
41 | ip link set dev "$wifidev" up
42 | dhcpcd -k "$wifidev" >/dev/null 2>&1
43 | systemctl start dnsmasq
44 | systemctl start hostapd
45 | }
46 |
47 | KillHotspot()
48 | {
49 | echo "Autohotspot by RaspberryConnect.com"
50 | echo "Shutting Down Hotspot"
51 | ip link set dev "$wifidev" down
52 | systemctl stop hostapd
53 | systemctl stop dnsmasq
54 | ip addr flush dev "$wifidev"
55 | ip link set dev "$wifidev" up
56 | dhcpcd -n "$wifidev" >/dev/null 2>&1
57 | }
58 |
59 | ChkWifiUp()
60 | {
61 | echo "Checking WiFi connection ok"
62 | sleep 20 #give time for connection to be completed to router
63 | if ! wpa_cli -i "$wifidev" status | grep 'ip_address' >/dev/null 2>&1
64 | then #Failed to connect to wifi (check your wifi settings, password etc)
65 | echo 'Wifi failed to connect, falling back to Hotspot.'
66 | wpa_cli terminate "$wifidev" >/dev/null 2>&1
67 | createAdHocNetwork
68 | fi
69 | }
70 |
71 |
72 | chksys()
73 | {
74 | #After some system updates hostapd gets masked using Raspbian Buster, and above. This checks and fixes
75 | #the issue and also checks dnsmasq is ok so the hotspot can be generated.
76 | #Check Hostapd is unmasked and disabled
77 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service masked" >/dev/null 2>&1 ;then
78 | systemctl unmask hostapd.service >/dev/null 2>&1
79 | fi
80 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service enabled" >/dev/null 2>&1 ;then
81 | systemctl disable hostapd.service >/dev/null 2>&1
82 | systemctl stop hostapd >/dev/null 2>&1
83 | fi
84 | #Check dnsmasq is disabled
85 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service masked" >/dev/null 2>&1 ;then
86 | systemctl unmask dnsmasq >/dev/null 2>&1
87 | fi
88 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service enabled" >/dev/null 2>&1 ;then
89 | systemctl disable dnsmasq >/dev/null 2>&1
90 | systemctl stop dnsmasq >/dev/null 2>&1
91 | fi
92 | }
93 |
94 |
95 | FindSSID()
96 | {
97 | #Check to see what SSID's and MAC addresses are in range
98 | ssidChk=('NoSSid')
99 | i=0; j=0
100 | until [ $i -eq 1 ] #wait for wifi if busy, usb wifi is slower.
101 | do
102 | ssidreply=$((iw dev "$wifidev" scan ap-force | egrep "^BSS|SSID:") 2>&1) >/dev/null 2>&1
103 | #echo "SSid's in range: " $ssidreply
104 | printf '%s\n' "${ssidreply[@]}"
105 | echo "Device Available Check try " $j
106 | if (($j >= 10)); then #if busy 10 times goto hotspot
107 | echo "Device busy or unavailable 10 times, going to Hotspot"
108 | ssidreply=""
109 | i=1
110 | elif echo "$ssidreply" | grep "No such device (-19)" >/dev/null 2>&1; then
111 | echo "No Device Reported, try " $j
112 | NoDevice
113 | elif echo "$ssidreply" | grep "Network is down (-100)" >/dev/null 2>&1 ; then
114 | echo "Network Not available, trying again" $j
115 | j=$((j + 1))
116 | sleep 2
117 | elif echo "$ssidreply" | grep "Read-only file system (-30)" >/dev/null 2>&1 ; then
118 | echo "Temporary Read only file system, trying again"
119 | j=$((j + 1))
120 | sleep 2
121 | elif echo "$ssidreply" | grep "Invalid exchange (-52)" >/dev/null 2>&1 ; then
122 | echo "Temporary unavailable, trying again"
123 | j=$((j + 1))
124 | sleep 2
125 | elif echo "$ssidreply" | grep -v "resource busy (-16)" >/dev/null 2>&1 ; then
126 | echo "Device Available, checking SSid Results"
127 | i=1
128 | else #see if device not busy in 2 seconds
129 | echo "Device unavailable checking again, try " $j
130 | j=$((j + 1))
131 | sleep 2
132 | fi
133 | done
134 |
135 | for ssid in "${ssidsmac[@]}"
136 | do
137 | if (echo "$ssidreply" | grep -F -- "$ssid") >/dev/null 2>&1
138 | then
139 | #Valid SSid found, passing to script
140 | echo "Valid SSID Detected, assesing Wifi status"
141 | ssidChk=$ssid
142 | return 0
143 | else
144 | #No Network found, NoSSid issued"
145 | echo "No SSid found, assessing WiFi status"
146 | ssidChk='NoSSid'
147 | fi
148 | done
149 | }
150 |
151 | NoDevice()
152 | {
153 | #if no wifi device,ie usb wifi removed, activate wifi so when it is
154 | #reconnected wifi to a router will be available
155 | echo "No wifi device connected"
156 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
157 | exit 1
158 | }
159 |
160 | chksys
161 | FindSSID
162 |
163 | #Create Hotspot or connect to valid wifi networks
164 | if [ "$ssidChk" != "NoSSid" ]
165 | then
166 | if systemctl status hostapd | grep "(running)" >/dev/null 2>&1
167 | then #hotspot running and ssid in range
168 | KillHotspot
169 | echo "Hotspot Deactivated, Bringing Wifi Up"
170 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
171 | ChkWifiUp
172 | elif { wpa_cli -i "$wifidev" status | grep 'ip_address'; } >/dev/null 2>&1
173 | then #Already connected
174 | echo "Wifi already connected to a network"
175 | else #ssid exists and no hotspot running connect to wifi network
176 | echo "Connecting to the WiFi Network"
177 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
178 | ChkWifiUp
179 | fi
180 | else #ssid or MAC address not in range
181 | if systemctl status hostapd | grep "(running)" >/dev/null 2>&1
182 | then
183 | echo "Hostspot already active"
184 | elif { wpa_cli status | grep "$wifidev"; } >/dev/null 2>&1
185 | then
186 | echo "Cleaning wifi files and Activating Hotspot"
187 | wpa_cli terminate >/dev/null 2>&1
188 | ip addr flush "$wifidev"
189 | ip link set dev "$wifidev" down
190 | rm -r /var/run/wpa_supplicant >/dev/null 2>&1
191 | createAdHocNetwork
192 | else #"No SSID, activating Hotspot"
193 | createAdHocNetwork
194 | fi
195 | fi
196 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/autohotspot-direct.service:
--------------------------------------------------------------------------------
1 | [Unit]
2 | Description=Automatically generates a Hotspot when a valid SSID is not in range
3 | After=multi-user.target
4 | [Service]
5 | Type=oneshot
6 | RemainAfterExit=yes
7 | ExecStart=/usr/bin/autohotspot
8 | [Install]
9 | WantedBy=multi-user.target
10 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/autohotspotN:
--------------------------------------------------------------------------------
1 | #!/bin/bash
2 | #version 0.97-N/HS-I
3 |
4 | #You may share this script on the condition a reference to RaspberryConnect.com
5 | #must be included in copies or derivatives of this script.
6 |
7 | #Network Wifi & Hotspot with Network/Internet
8 | #A script to switch between a wifi network and an Network/Internet routed Hotspot
9 | #A Raspberry Pi with a network port required for Internet in hotspot mode.
10 | #Works at startup or with a seperate timer or manually without a reboot
11 | #Other setup required find out more at
12 | #http://www.raspberryconnect.com
13 |
14 | wifidev="wlan0" #device name to use. Default is wlan0.
15 | ethdev="eth0" #Ethernet port to use with IP tables
16 | #use the command: iw dev ,to see wifi interface name
17 |
18 | IFSdef=$IFS
19 | cnt=0
20 | #These four lines capture the wifi networks the RPi is setup to use
21 | wpassid=$(awk '/ssid="/{ print $0 }' /etc/wpa_supplicant/wpa_supplicant.conf | awk -F'ssid=' '{ print $2 }' | sed 's/\r//g'| awk 'BEGIN{ORS=","} {print}' | sed 's/\"/''/g' | sed 's/,$//')
22 | IFS=","
23 | ssids=($wpassid)
24 | IFS=$IFSdef #reset back to defaults
25 |
26 |
27 | #Note:If you only want to check for certain SSIDs
28 | #Remove the # in in front of ssids=('mySSID1'.... below and put a # infront of all four lines above
29 | # separated by a space, eg ('mySSID1' 'mySSID2')
30 | #ssids=('mySSID1' 'mySSID2' 'mySSID3')
31 |
32 | #Enter the Routers Mac Addresses for hidden SSIDs, seperated by spaces ie
33 | #( '11:22:33:44:55:66' 'aa:bb:cc:dd:ee:ff' )
34 | mac=()
35 |
36 | ssidsmac=("${ssids[@]}" "${mac[@]}") #combines ssid and MAC for checking
37 |
38 | createAdHocNetwork()
39 | {
40 | echo "Autohotspot by RaspberryConnect.com"
41 | echo "Creating Hotspot"
42 | ip link set dev "$wifidev" down
43 | ip a add 192.168.50.5/24 brd + dev "$wifidev"
44 | ip link set dev "$wifidev" up
45 | dhcpcd -k "$wifidev" >/dev/null 2>&1
46 | if iptables 2>&1 | grep 'no command specified' ; then
47 | iptables -t nat -A POSTROUTING -o "$ethdev" -j MASQUERADE
48 | iptables -A FORWARD -i "$ethdev" -o "$wifidev" -m state --state RELATED,ESTABLISHED -j ACCEPT
49 | iptables -A FORWARD -i "$wifidev" -o "$ethdev" -j ACCEPT
50 | elif nft 2>&1 | grep 'no command specified' ; then
51 | nft add table inet ap
52 | nft add chain inet ap rthrough { type nat hook postrouting priority 0 \; policy accept \; }
53 | nft add rule inet ap rthrough oifname "$ethdev" masquerade
54 | nft add chain inet ap fward { type filter hook forward priority 0 \; policy accept \; }
55 | nft add rule inet ap fward iifname "$ethdev" oifname "$wifidev" ct state established,related accept
56 | nft add rule inet ap fward iifname "$wifidev" oifname "$ethdev" accept
57 | fi
58 | systemctl start dnsmasq
59 | systemctl start hostapd
60 | echo 1 > /proc/sys/net/ipv4/ip_forward
61 | }
62 |
63 | KillHotspot()
64 | {
65 | echo "Autohotspot by RaspberryConnect.com"
66 | echo "Shutting Down Hotspot"
67 | ip link set dev "$wifidev" down
68 | systemctl stop hostapd
69 | systemctl stop dnsmasq
70 | if iptables 2>&1 | grep 'no command specified' ; then
71 | iptables -D FORWARD -i "$ethdev" -o "$wifidev" -m state --state RELATED,ESTABLISHED -j ACCEPT
72 | iptables -D FORWARD -i "$wifidev" -o "$ethdev" -j ACCEPT
73 | elif nft 2>&1 | grep 'no command specified' ; then
74 | nft delete table inet ap
75 | fi
76 | echo 0 > /proc/sys/net/ipv4/ip_forward
77 | ip addr flush dev "$wifidev"
78 | ip link set dev "$wifidev" up
79 | dhcpcd -n "$wifidev" >/dev/null 2>&1
80 | }
81 |
82 | ChkWifiUp()
83 | {
84 | echo "Checking WiFi connection ok"
85 | sleep 20 #give time for connection to be completed to router
86 | if ! wpa_cli -i "$wifidev" status | grep 'ip_address' >/dev/null 2>&1
87 | then #Failed to connect to wifi (check your wifi settings, password etc)
88 | echo 'Wifi failed to connect, falling back to Hotspot.'
89 | wpa_cli terminate "$wifidev" >/dev/null 2>&1
90 | createAdHocNetwork
91 | fi
92 | }
93 |
94 | chksys()
95 | {
96 | #After some system updates hostapd gets masked using Raspbian Buster, and above. This checks and fixes
97 | #the issue and also checks dnsmasq is ok so the hotspot can be generated.
98 | #Check Hostapd is unmasked and disabled
99 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service masked" >/dev/null 2>&1 ;then
100 | systemctl unmask hostapd.service >/dev/null 2>&1
101 | fi
102 | if systemctl -all list-unit-files hostapd.service | grep "hostapd.service enabled" >/dev/null 2>&1 ;then
103 | systemctl disable hostapd.service >/dev/null 2>&1
104 | systemctl stop hostapd >/dev/null 2>&1
105 | fi
106 | #Check dnsmasq is disabled
107 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service masked" >/dev/null 2>&1 ;then
108 | systemctl unmask dnsmasq >/dev/null 2>&1
109 | fi
110 | if systemctl -all list-unit-files dnsmasq.service | grep "dnsmasq.service enabled" >/dev/null 2>&1 ;then
111 | systemctl disable dnsmasq >/dev/null 2>&1
112 | systemctl stop dnsmasq >/dev/null 2>&1
113 | fi
114 | }
115 |
116 |
117 | FindSSID()
118 | {
119 | #Check to see what SSID's and MAC addresses are in range
120 | ssidChk=('NoSSid')
121 | i=0; j=0
122 | until [ $i -eq 1 ] #wait for wifi if busy, usb wifi is slower.
123 | do
124 | ssidreply=$((iw dev "$wifidev" scan ap-force | egrep "^BSS|SSID:") 2>&1) >/dev/null 2>&1
125 | #echo "SSid's in range: " $ssidreply
126 | printf '%s\n' "${ssidreply[@]}"
127 | echo "Device Available Check try " $j
128 | if (($j >= 10)); then #if busy 10 times goto hotspot
129 | echo "Device busy or unavailable 10 times, going to Hotspot"
130 | ssidreply=""
131 | i=1
132 | elif echo "$ssidreply" | grep "No such device (-19)" >/dev/null 2>&1; then
133 | echo "No Device Reported, try " $j
134 | NoDevice
135 | elif echo "$ssidreply" | grep "Network is down (-100)" >/dev/null 2>&1 ; then
136 | echo "Network Not available, trying again" $j
137 | j=$((j + 1))
138 | sleep 2
139 | elif echo "$ssidreply" | grep "Read-only file system (-30)" >/dev/null 2>&1 ; then
140 | echo "Temporary Read only file system, trying again"
141 | j=$((j + 1))
142 | sleep 2
143 | elif echo "$ssidreply" | grep "Invalid exchange (-52)" >/dev/null 2>&1 ; then
144 | echo "Temporary unavailable, trying again"
145 | j=$((j + 1))
146 | sleep 2
147 | elif echo "$ssidreply" | grep -v "resource busy (-16)" >/dev/null 2>&1 ; then
148 | echo "Device Available, checking SSid Results"
149 | i=1
150 | else #see if device not busy in 2 seconds
151 | echo "Device unavailable checking again, try " $j
152 | j=$((j + 1))
153 | sleep 2
154 | fi
155 | done
156 |
157 | for ssid in "${ssidsmac[@]}"
158 | do
159 | if (echo "$ssidreply" | grep -F -- "$ssid") >/dev/null 2>&1
160 | then
161 | #Valid SSid found, passing to script
162 | echo "Valid SSID Detected, assesing Wifi status"
163 | ssidChk=$ssid
164 | return 0
165 | else
166 | #No Network found, NoSSid issued"
167 | echo "No SSid found, assessing WiFi status"
168 | ssidChk='NoSSid'
169 | fi
170 | done
171 | }
172 |
173 | NoDevice()
174 | {
175 | #if no wifi device,ie usb wifi removed, activate wifi so when it is
176 | #reconnected wifi to a router will be available
177 | echo "No wifi device connected"
178 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
179 | exit 1
180 | }
181 |
182 | chksys
183 | FindSSID
184 |
185 | #Create Hotspot or connect to valid wifi networks
186 | if [ "$ssidChk" != "NoSSid" ]
187 | then
188 | echo 0 > /proc/sys/net/ipv4/ip_forward #deactivate ip forwarding
189 | if systemctl status hostapd | grep "(running)" >/dev/null 2>&1
190 | then #hotspot running and ssid in range
191 | KillHotspot
192 | echo "Hotspot Deactivated, Bringing Wifi Up"
193 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
194 | ChkWifiUp
195 | elif { wpa_cli -i "$wifidev" status | grep 'ip_address'; } >/dev/null 2>&1
196 | then #Already connected
197 | echo "Wifi already connected to a network"
198 | else #ssid exists and no hotspot running connect to wifi network
199 | echo "Connecting to the WiFi Network"
200 | wpa_supplicant -B -i "$wifidev" -c /etc/wpa_supplicant/wpa_supplicant.conf >/dev/null 2>&1
201 | ChkWifiUp
202 | fi
203 | else #ssid or MAC address not in range
204 | if systemctl status hostapd | grep "(running)" >/dev/null 2>&1
205 | then
206 | echo "Hostspot already active"
207 | elif { wpa_cli status | grep "$wifidev"; } >/dev/null 2>&1
208 | then
209 | echo "Cleaning wifi files and Activating Hotspot"
210 | wpa_cli terminate >/dev/null 2>&1
211 | ip addr flush "$wifidev"
212 | ip link set dev "$wifidev" down
213 | rm -r /var/run/wpa_supplicant >/dev/null 2>&1
214 | createAdHocNetwork
215 | else #"No SSID, activating Hotspot"
216 | createAdHocNetwork
217 | fi
218 | fi
219 |
220 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dhcpcd-SHS.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #Static Hotspot without Net
3 | interface wlan0
4 | nohook wpa_supplicant
5 | static ip_address=192.168.50.10/24
6 | static routers=192.168.50.1
7 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dhcpcd-SHSN.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #Static Hotspot with Net
3 | interface wlan0
4 | nohook wpa_supplicant
5 | static ip_address=192.168.50.10/24
6 | static routers=192.168.50.1
7 | static domain_name_servers=8.8.8.8
8 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dhcpcd-autohs.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #Autohotspots
3 | nohook wpa_supplicant
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dhcpcd-default.conf:
--------------------------------------------------------------------------------
1 | # A sample configuration for dhcpcd.
2 | # See dhcpcd.conf(5) for details.
3 |
4 | # Allow users of this group to interact with dhcpcd via the control socket.
5 | #controlgroup wheel
6 |
7 | # Inform the DHCP server of our hostname for DDNS.
8 | hostname
9 |
10 | # Use the hardware address of the interface for the Client ID.
11 | clientid
12 | # or
13 | # Use the same DUID + IAID as set in DHCPv6 for DHCPv4 ClientID as per RFC4361.
14 | # Some non-RFC compliant DHCP servers do not reply with this set.
15 | # In this case, comment out duid and enable clientid above.
16 | #duid
17 |
18 | # Persist interface configuration when dhcpcd exits.
19 | persistent
20 |
21 | # Rapid commit support.
22 | # Safe to enable by default because it requires the equivalent option set
23 | # on the server to actually work.
24 | option rapid_commit
25 |
26 | # A list of options to request from the DHCP server.
27 | option domain_name_servers, domain_name, domain_search, host_name
28 | option classless_static_routes
29 | # Respect the network MTU. This is applied to DHCP routes.
30 | option interface_mtu
31 |
32 | # Most distributions have NTP support.
33 | #option ntp_servers
34 |
35 | # A ServerID is required by RFC2131.
36 | require dhcp_server_identifier
37 |
38 | # Generate SLAAC address using the Hardware Address of the interface
39 | #slaac hwaddr
40 | # OR generate Stable Private IPv6 Addresses based from the DUID
41 | slaac private
42 |
43 | # Example static IP configuration:
44 | #interface eth0
45 | #static ip_address=192.168.0.10/24
46 | #static ip6_address=fd51:42f8:caae:d92e::ff/64
47 | #static routers=192.168.0.1
48 | #static domain_name_servers=192.168.0.1 8.8.8.8 fd51:42f8:caae:d92e::1
49 |
50 | # It is possible to fall back to a static IP if DHCP fails:
51 | # define static profile
52 | #profile static_eth0
53 | #static ip_address=192.168.1.23/24
54 | #static routers=192.168.1.1
55 | #static domain_name_servers=192.168.1.1
56 |
57 | # fallback to static profile on eth0
58 | #interface eth0
59 | #fallback static_eth0
60 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dhcpcd-remove.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #Autohotspots
3 | #If you make changes to this file please back it up.
4 | #Option 3 of the installer will replace this file.
5 | #A backup was taken on the inital install. /etc/dhcpcd-RCbackup.conf
6 | nohook wpa_supplicant
7 | #Static Hotspot without Net
8 | interface wlan0
9 | static ip_address=192.168.50.10/24
10 | static routers=192.168.50.1
11 | #Static Hotspot with Net
12 | static domain_name_servers=8.8.8.8
13 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dnsmasqAHS.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #AutoHotspot Config
3 | interface=wlan0
4 | no-resolv
5 | bind-interfaces
6 | dhcp-range=10.0.0.50,10.0.0.100,12h
7 |
8 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dnsmasqAHSN.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com Autohotspot
2 | #AutoHotspotN config
3 | interface=wlan0
4 | bind-dynamic
5 | server=8.8.8.8
6 | domain-needed
7 | bogus-priv
8 | dhcp-range=192.168.50.150,192.168.50.200,72h
9 |
10 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/dnsmasqSHS.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com
2 | #RPiHotspot config - Internet
3 | interface=wlan0
4 | bind-dynamic
5 | domain-needed
6 | bogus-priv
7 | server=8.8.8.8
8 | dhcp-range=192.168.50.150,192.168.50.200,255.255.255.0,12h
9 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/hostapd:
--------------------------------------------------------------------------------
1 | # Defaults for hostapd initscript
2 | #
3 | # WARNING: The DAEMON_CONF setting has been deprecated and will be removed
4 | # in future package releases.
5 | #
6 | # See /usr/share/doc/hostapd/README.Debian for information about alternative
7 | # methods of managing hostapd.
8 | #
9 | # Uncomment and set DAEMON_CONF to the absolute path of a hostapd configuration
10 | # file and hostapd will be started during system boot. An example configuration
11 | # file can be found at /usr/share/doc/hostapd/examples/hostapd.conf.gz
12 | #
13 | DAEMON_CONF="/etc/hostapd/hostapd.conf"
14 |
15 | # Additional daemon options to be appended to hostapd command:-
16 | # -d show more debug messages (-dd for even more)
17 | # -K include key data in debug messages
18 | # -t include timestamps in some debug messages
19 | #
20 | # Note that -B (daemon mode) and -P (pidfile) options are automatically
21 | # configured by the init.d script and must not be added to DAEMON_OPTS.
22 | #
23 | #DAEMON_OPTS=""
24 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/hostapd.conf:
--------------------------------------------------------------------------------
1 | #RaspberryConnect.com - Autohotspot
2 | #2.4GHz setup wifi 80211 b,g,n
3 | interface=wlan0
4 | driver=nl80211
5 | ssid=RPiHotspot
6 | hw_mode=g
7 | channel=8
8 | wmm_enabled=0
9 | macaddr_acl=0
10 | auth_algs=1
11 | ignore_broadcast_ssid=0
12 | wpa=2
13 | wpa_passphrase=1234567890
14 | wpa_key_mgmt=WPA-PSK
15 | wpa_pairwise=CCMP
16 | rsn_pairwise=CCMP
17 |
18 | #80211n - Change GB to your WiFi country code
19 | country_code=GB
20 | ieee80211n=1
21 | ieee80211d=1
22 |
23 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/hs-iptables.service:
--------------------------------------------------------------------------------
1 | [Unit]
2 | Description=Activate IPtables for Hotspot
3 | After=network-pre.target
4 | Before=network-online.target
5 |
6 | [Service]
7 | Type=simple
8 | ExecStart=/etc/iptables-hs
9 |
10 | [Install]
11 | WantedBy=multi-user.target
12 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/interfaces:
--------------------------------------------------------------------------------
1 | # interfaces(5) file used by ifup(8) and ifdown(8)
2 |
3 | # Please note that this file is written to be used with dhcpcd
4 | # For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'
5 |
6 | # Include files from /etc/network/interfaces.d:
7 | source-directory /etc/network/interfaces.d
8 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/iptables-hs.txt:
--------------------------------------------------------------------------------
1 | #!/bin/bash
2 | iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
3 | iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT
4 | iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT
5 |
6 |
--------------------------------------------------------------------------------
/AutoHotspot-Setup/Autohotspot/config/nft-stat-ap.txt:
--------------------------------------------------------------------------------
1 | flush ruleset
2 |
3 | table inet ap {
4 | chain routethrough {
5 | type nat hook postrouting priority filter; policy accept;
6 | oifname "eth0" masquerade
7 | }
8 |
9 | chain fward {
10 | type filter hook forward priority filter; policy accept;
11 | iifname "eth0" oifname "wlan0" ct state established,related accept
12 | iifname "wlan0" oifname "eth0" accept
13 | }
14 | }
15 |
--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
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554 | Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work. The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 |
563 | 14. Revised Versions of this License.
564 |
565 | The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time. Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 |
570 | Each version is given a distinguishing version number. If the
571 | Program specifies that a certain numbered version of the GNU General
572 | Public License "or any later version" applies to it, you have the
573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation. If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 |
579 | If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 |
584 | Later license versions may give you additional or different
585 | permissions. However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 |
589 | 15. Disclaimer of Warranty.
590 |
591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 |
600 | 16. Limitation of Liability.
601 |
602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 |
612 | 17. Interpretation of Sections 15 and 16.
613 |
614 | If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 |
621 | END OF TERMS AND CONDITIONS
622 |
623 | How to Apply These Terms to Your New Programs
624 |
625 | If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 |
629 | To do so, attach the following notices to the program. It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 |
634 |
635 | Copyright (C)
636 |
637 | This program is free software: you can redistribute it and/or modify
638 | it under the terms of the GNU General Public License as published by
639 | the Free Software Foundation, either version 3 of the License, or
640 | (at your option) any later version.
641 |
642 | This program is distributed in the hope that it will be useful,
643 | but WITHOUT ANY WARRANTY; without even the implied warranty of
644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
645 | GNU General Public License for more details.
646 |
647 | You should have received a copy of the GNU General Public License
648 | along with this program. If not, see .
649 |
650 | Also add information on how to contact you by electronic and paper mail.
651 |
652 | If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 |
655 | Copyright (C)
656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 | This is free software, and you are welcome to redistribute it
658 | under certain conditions; type `show c' for details.
659 |
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License. Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 |
664 | You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | .
668 |
669 | The GNU General Public License does not permit incorporating your program
670 | into proprietary programs. If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library. If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License. But first, please read
674 | .
675 |
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/README.md:
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1 | RaspberryConnect.com
2 | This installer script and the autohotspot & autohotspotN scripts can be shared and modified but all references to RaspberryConnect.com must be kept in place.
3 |
4 | For use with PiOS 11 Bullseye and lower.
5 | Not compatible with PiOS 12 Bookworm. The Bookworm version is currently available at
6 | https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/203-automated-switching-accesspoint-wifi-network
7 |
8 | # AutoHotspot Setups
9 |
10 | This script is for installing a Raspberry Pi WiFi setup where the Pi will connect to a previously configured Wifi network when the Pi is in range of the router or Automatically setup a Raspberry Pi access point when a known wifi network is not in range.
11 | This can also be run manually or with a timer to switch between a WiFi network or a WifI access point without a reboot.
12 |
13 | There are two setups available:
14 | * Network/Internet access available for connected devices when an ethernet cable is connected for the Raspberry Pi's 3A,3B,3B+ & 4. For Rapberry Pi's A,B, B+,& 2 if an usb Wifi adapter is used.
15 | * No internet access for connected devices. Designed for the Raspberry Pi Zero W or other Raspberry PI's where only a direct connection to the PI from a phone, tablet or Laptop is required.
16 |
17 | There is also a setup for permanent access point with network/internet access from eth0 for WiFi connected devices.
18 |
19 | For more information and for the manual setup's see:
20 | * https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/157-raspberry-pi-auto-wifi-hotspot-switch-internet
21 | * https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/158-raspberry-pi-auto-wifi-hotspot-switch-direct-connection
22 | * https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/168-raspberry-pi-hotspot-access-point-dhcpcd-method
23 |
24 | This script will install any of these three setups or allow you to change between setup types.
25 | In additionm the Access Point SSID and Password can be changed, new WiFi networks can be added to the Raspberry PI while in access point mode. The Pi can be forced between WiFi Network mode and Access Point mode without a reboot. Also there is an uninstaller.
26 |
27 | # Using the installer
28 |
29 | Download the AutoHotspot-Setup.tar.xz archive from
30 | ```
31 | curl "https://www.raspberryconnect.com/images/hsinstaller/Autohotspot-Setup.tar.xz" -o AutoHotspot-Setup.tar.xz
32 | ```
33 | Unarchive the file to the curent folder using the command
34 | ```
35 | tar -xzvf AutoHotspot-Setup.tar.xz
36 | ```
37 | If you are using the Desktop then right click on the AutoHotspot-Setup.tar.xz and select Extract Here
38 |
39 | open a terminal window and navigate to the Autohotspot folder. If this is in your home directory then use
40 | ```
41 | cd Autohotspot
42 | ```
43 | if this is your desktop then use
44 | ```
45 | cd ./Desktop/Autohotspot
46 | ```
47 | Run the script with the command
48 | ```
49 | sudo ./autohotspot-setup.sh
50 | ```
51 | This script will fail if sudo is not used.
52 |
53 | You will presented with a menu with these options
54 | ```
55 | 1 = Install Autohotspot with eth0 access for Connected Devices
56 | 2 = Install Autohotspot with No eth0 for connected devices
57 | 3 = Install a Permanent Access Point with eth0 access for connected devices
58 | 4 = Uninstall Autohotspot or permanent access point
59 | 5 = Add a new wifi network to the Pi (SSID) or update the password for an existing one.
60 | 6 = Autohotspot: Force to an access point or connect to WiFi network if a known SSID is in range
61 | 7 = Change the access points SSID and password
62 | 8 = Exit
63 | ```
64 |
65 | In these options, Options 1-4 determine the overall type of your installation. Options 5-7 allow changing of passwords and testing.
66 |
67 | # Main installation options
68 |
69 | The main installation options are Options 1-4.
70 |
71 | ## Option 1: Install Autohotspot with eth0 access for Connected Devices
72 |
73 | Once installed and after a reboot the Raspberry Pi will connect to a router that has previously been connected to and is listed in /etc/wpa_supplicant/wpa_supplicant.conf. If no router is in range then it will generate a WiFi access point.
74 | * This will have an SSID of RPiHotspot and password of 1234567890.
75 | * Use option 7 to change the access point password and also the SSID if required.
76 | If an ethernet cable is connected to the Pi with access to the internet then it will allow devices connected to the access point to connect to the internet or local network.
77 | Once a connection to the access point has been made you can access the Raspberry Pi via ssh & VNC with
78 | * `ssh pi@192.168.50.5`
79 | * vnc: 192.168.50.5::5900
80 | * for webservers use http://192.168.50.5/
81 |
82 | The option installs
83 | ```
84 | /usr/bin/autohotspotN
85 | ```
86 | As noted above, this setup provides network/Internet access for connected devices
87 | * when an ethernet cable is connected for the Raspberry Pi's 3A,3B,3B+ & 4,
88 | * Or, for Rapberry Pi's A,B, B+,& 2, if a usb Wifi adapter is used.
89 |
90 | ## Option 2: Install Autohotspot with No eth0 for connected devices
91 |
92 | This option is similar to option 1 but connected devices have no network/internet connection if an ethernet cable is connected.
93 | The Pi itself can use the eth0 connection and also be accessed from a device on the etho network.
94 | * This has been designed so you can access only the Pi from a Laptop, tablet or phone.
95 | * The access point SSID will be RPiHotspot with a password of 1234567890
96 | Once a connection to the access point has been made you can access the Raspberry Pi via ssh & VNC with
97 | * `ssh pi@10.0.0.5`
98 | * vnc: 10.0.0.5::5900
99 | * for webservers use http://10.0.0.5/
100 |
101 | The option installs
102 | ```
103 | /usr/bin/autohotspot
104 | ```
105 | As noted above, this provides no internet access for connected devices. The mode is designed for the Raspberry Pi Zero W or other Raspberry PI's where only a direct connection to the PI from a phone, tablet or Laptop is required.
106 |
107 | ## Option 3: Install a Permanent Access Point with eth0 access for connected devices
108 |
109 | This is for a permanent WiFi access point with network/internet access for connected devices.
110 | The Raspberry Pi will only have network and internet access when an ethernet cable is connected.
111 | Once a connection to the access point has been made, you can access the Raspberry Pi via ssh & VNC with
112 | * `ssh pi@192.168.50.10`
113 | * vnc: 192.168.50.10::5900
114 | * for webservers use http://192.168.50.10/
115 |
116 | Additional setup is required if you wanted to use a second WiFi device to connect to a network or internet rather than a ethernet conection.
117 | This requires changing the references in the iptables or fftables files from eth0 to wlan1
118 | * /etc/iptables-hs (PiOS version 10 or lower , Buster)
119 | * /etc/nftables/nft-stat-ap.nft (PiOS version 11 or higher, Bullseye)
120 |
121 | ## Option 4: Uninstall Autohotspot or Permanent Access Point
122 |
123 | This will disable the setup of any of the three setups and return the Raspberry Pi to default Wifi settings.
124 | Hostapd & dnsmasq will not be uninstalled just disabled.
125 |
126 | # Configuration options
127 |
128 | Options 5 and 7 allow changing of passwords. Option 6 allows 'force switch' between hotspot and WiFi network, useful for testing.
129 |
130 | ## Option 5: Add a new wifi network to the Pi (SSID) or update the password for an existing one.
131 |
132 | If you are using either of the autohotspot setups in access point mode and wish to connect to a local WiFi network. You will be unable to scan for any networks as the desktop wifi option will be disabled, shown as red crosses. You can manually add the details to /etc/wpa_supplicant/wpa_supplicant.conf if you know them.
133 | This option will allow you to scan for local WiFi networks and update the Pi. If you then reboot or use the Force... option 6 ,see below.
134 | This option only works for WiFi networks where only a password is required. If a username is required this will not work.
135 |
136 | ## Option 6: Autohotspot: Force to an access point or Force to WiFi network if a known SSID is in range
137 |
138 | This option is only for the Autohotspot setups.
139 | If you are at home and connected to your home network but would like to use the hotspot. This option will force the pi to access point mode and will ignore your home network untill the next reboot. If you use this option again while in access point mode, it will attempt to connect to a known WiFi network. This will go back to the access point if no valid WiFi network is found or there is a connection issue.
140 |
141 | ## Option 7: Change the Pi's access point SSID and Password
142 |
143 | By default the access point SSID is RPiHotSpot with a password of 1234567890. Use this option to change either or both SSID and Password.
144 | You will be prompted to change both but if you make no entry and press enter the existing setting will be kept.
145 | The password must be at least 8 characters.
146 |
147 | ## Option 8: Exit
148 |
149 | Exit the script.
150 |
151 |
152 | # Note
153 |
154 | # Regarding `/etc/network/interfaces` file
155 |
156 | Many older access points and network setup guides online add entries to the `/etc/network/interfaces` file. This file is depreciated in Raspbian & PiOS. Any entry in this file is not compatible with these setups. This installer backup and remove any entries found in this file. They will be restored if the uninstall option is used.
157 |
158 | # The service is just for automatic start at boot time.
159 |
160 | The system service just facilitates automatic start at boot time. It doesn't do any checking while the configuration is running. Note that, unfortunately, a systemd timer doesn't work with the script so it can't be repeated with that. Therefore, another script or `cron` is the best way to rerun the script at intervals.
161 |
162 | For running a timer you simply add `/usr/bin/autohotspot` or `/usr/bin/autohotspotN` to the root crontab. E.g. to run every 5 minutes:
163 | ```
164 | */5 * * * * sudo /usr/bin/autohotspot >/dev/null 2>&1
165 | ```
166 | For more detailed instructions, see here: https://www.raspberryconnect.com/projects/65-raspberrypi-hotspot-accesspoints/158-raspberry-pi-auto-wifi-hotspot-switch-direct-connection.
167 |
168 |
169 | # Suppose I wanted the script, but without running it at boot time?
170 |
171 | In other words, only run the script as needed. Would the correct process be to install the script (e.g. Options 1 or 2, as required), and then disable the service?
172 |
173 | To do this install and disable the service. Though wpa_supplicant will be disabled in `/etc/dhcpcd.conf` so you will get no wifi network connection. To reactivate it comment out the line `nohook wpa_supplicant`. If you re-enable the service then that needs to be un-commented.
174 |
175 | This process will stop the script running at boot. You can then manually run `sudo /usr/bin/autohotspotN` (Option 1) / `sudo /usr/bin/autohotspot` (Option 2). You can run the service `sudo systemctl start autohotspot` as this will also run the autohotspot script once on demand.
176 |
177 | # Can I use `ifup` and `ifdown`?
178 |
179 | `ifup` and `ifdown` use the `/network/interfaces` file i believe which is depreciated on the PiOS so you will need to use
180 | `ip link set dev wlan0 down` and `ip link set dev wlan0 up`.
181 |
182 | However if you bring wlan0 down while the access point is running, you will need to bring wlan0 up and then run the autohotspot straight after as hostapd will not restart on it's own.
183 |
184 | You can bring wlan0 down and up while connected to a wifi network ok with `ip link set dev wlan0 down / up`
185 |
186 | if it does not come back up properly then rebind dhcpcd with `sudo dhcpcd -n wlan0`
187 | which will do the trick.
188 |
189 |
190 | RaspberryConnect.com
191 |
192 | Jan 29th 2022, with updates 26 July 2023
193 |
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