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23
LICENSE
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23
LICENSE
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Copyright (c) 2013, oblique
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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21
Makefile
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21
Makefile
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PREFIX=/usr
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MANDIR=$(PREFIX)/share/man
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BINDIR=$(PREFIX)/bin
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all:
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@echo "Run 'make install' for installation."
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@echo "Run 'make uninstall' for uninstallation."
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install:
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install -Dm755 create_ap $(DESTDIR)$(BINDIR)/create_ap
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install -Dm644 create_ap.conf $(DESTDIR)/etc/create_ap.conf
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[ ! -d /lib/systemd/system ] || install -Dm644 create_ap.service $(DESTDIR)$(PREFIX)/lib/systemd/system/create_ap.service
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install -Dm644 bash_completion $(DESTDIR)$(PREFIX)/share/bash-completion/completions/create_ap
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install -Dm644 README.md $(DESTDIR)$(PREFIX)/share/doc/create_ap/README.md
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uninstall:
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rm -f $(DESTDIR)$(BINDIR)/create_ap
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rm -f $(DESTDIR)/etc/create_ap.conf
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[ ! -f /lib/systemd/system/create_ap.service ] || rm -f $(DESTDIR)$(PREFIX)/lib/systemd/system/create_ap.service
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rm -f $(DESTDIR)$(PREFIX)/share/bash-completion/completions/create_ap
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rm -f $(DESTDIR)$(PREFIX)/share/doc/create_ap/README.md
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87
README.md
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87
README.md
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## Features
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* Create an AP (Access Point) at any channel.
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* Choose one of the following encryptions: WPA, WPA2, WPA/WPA2, Open (no encryption).
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* Hide your SSID.
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* Disable communication between clients (client isolation).
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* IEEE 802.11n & 802.11ac support
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* Internet sharing methods: NATed or Bridged or None (no Internet sharing).
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* Choose the AP Gateway IP (only for 'NATed' and 'None' Internet sharing methods).
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* You can create an AP with the same interface you are getting your Internet connection.
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* You can pass your SSID and password through pipe or through arguments (see examples).
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## Dependencies
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### General
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* bash (to run this script)
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* util-linux (for getopt)
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* procps or procps-ng
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* hostapd
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* iproute2
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* iw
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* iwconfig (you only need this if 'iw' can not recognize your adapter)
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* haveged (optional)
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### For 'NATed' or 'None' Internet sharing method
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* dnsmasq
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* iptables
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## Installation
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### Generic
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git clone https://github.com/oblique/create_ap
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cd create_ap
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make install
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### ArchLinux
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pacman -S create_ap
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### Gentoo
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emerge layman
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layman -f -a jorgicio
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emerge net-wireless/create_ap
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## Examples
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### No passphrase (open network):
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create_ap wlan0 eth0 MyAccessPoint
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### WPA + WPA2 passphrase:
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create_ap wlan0 eth0 MyAccessPoint MyPassPhrase
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### AP without Internet sharing:
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create_ap -n wlan0 MyAccessPoint MyPassPhrase
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### Bridged Internet sharing:
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create_ap -m bridge wlan0 eth0 MyAccessPoint MyPassPhrase
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### Bridged Internet sharing (pre-configured bridge interface):
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create_ap -m bridge wlan0 br0 MyAccessPoint MyPassPhrase
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### Internet sharing from the same WiFi interface:
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create_ap wlan0 wlan0 MyAccessPoint MyPassPhrase
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### Choose a different WiFi adapter driver
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create_ap --driver rtl871xdrv wlan0 eth0 MyAccessPoint MyPassPhrase
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### No passphrase (open network) using pipe:
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echo -e "MyAccessPoint" | create_ap wlan0 eth0
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### WPA + WPA2 passphrase using pipe:
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echo -e "MyAccessPoint\nMyPassPhrase" | create_ap wlan0 eth0
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### Enable IEEE 802.11n
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create_ap --ieee80211n --ht_capab '[HT40+]' wlan0 eth0 MyAccessPoint MyPassPhrase
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### Client Isolation:
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create_ap --isolate-clients wlan0 eth0 MyAccessPoint MyPassPhrase
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## Systemd service
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Using the persistent [systemd](https://wiki.archlinux.org/index.php/systemd#Basic_systemctl_usage) service
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### Start service immediately:
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systemctl start create_ap
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### Start on boot:
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systemctl enable create_ap
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## License
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FreeBSD
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168
bash_completion
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168
bash_completion
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#
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# Bash Completion routine for create_ap
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#
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_use_filedir() {
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if [[ $(type -t _filedir) == "function" ]]; then
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_filedir
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return 0
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fi
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return 1
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}
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_create_ap() {
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local awk_cmd='
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($1 ~ /^-/) {
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for (i = 1; i <= NF; i++) {
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if ($i ~ /,$/) {
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print substr ($i, 0, length ($i)-1)
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}
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else {
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print $i
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break
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}
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}
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}
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'
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local cur prev opts
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COMPREPLY=()
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cur="$2"
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prev="$3"
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opts=$("$1" --help | awk "$awk_cmd")
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case "$prev" in
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-h|--help)
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# No Options
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;;
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--version)
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# No Options
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;;
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-c)
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# Refer http://en.wikipedia.org/wiki/List_of_WLAN_channels
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opts=$(
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iw list | grep ' MHz \[[[:digit:]]\+\] ' |
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grep -v 'no IR\|disabled' |
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sed 's/.*\[\(.*\)\].*/\1/' | sort -n | uniq
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)
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;;
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-w)
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opts="1 2 1+2"
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;;
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-n)
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# No Options
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;;
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-m)
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opts="nat bridge none"
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;;
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--psk)
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# No Options
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;;
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--hidden)
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# No Options
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;;
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--mac-filter)
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# No Options
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;;
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--mac-filter-accept)
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# No Options
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;;
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--ieee80211n)
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# No Options
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;;
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--ht_capab)
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# Refer http://w1.fi/cgit/hostap/plain/hostapd/hostapd.conf
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opts='
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[LDPC] [HT40-] [HT40+] [SMPS-STATIC] [SMPS-DYNAMIC]
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[GF] [SHORT-GI-20] [SHORT-GI-40] [TX-STBC]
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[RX-STBC1] [RX-STBC12] [RX-STBC123] [DELAYED-BA]
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[MAX-AMSDU-7935] [DSSS_CCK-40] [40-INTOLERANT]
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[LSIG-TXOP-PROT]
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'
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;;
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--country)
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local reg_file=/usr/lib/crda/regulatory.bin
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if command -v regdbdump > /dev/null && [[ -f "$reg_file" ]]; then
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local country_awk_cmd='
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($1 ~ /^country/) {
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print substr ($2, 0, length ($2)-1)
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}
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'
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opts=$(regdbdump "$reg_file" 2>/dev/null | awk "$country_awk_cmd")
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else
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opts='
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AD AE AF AI AL AM AN AR AS AT AU AW AZ BA BB BD BE
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BF BG BH BL BM BN BO BR BS BT BY BZ CA CF CH CI CL
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CN CO CR CX CY CZ DE DK DM DO DZ EC EE EG ES ET FI
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FM FR GB GD GE GF GH GL GP GR GT GU GY HK HN HR HT
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HU ID IE IL IN IR IS IT JM JO JP KE KH KN KP KR KW
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KY KZ LB LC LI LK LS LT LU LV MA MC MD ME MF MH MK
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MN MO MP MQ MR MT MU MW MX MY NG NI NL NO NP NZ OM
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PA PE PF PG PH PK PL PM PR PT PW PY QA RE RO RS RU
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RW SA SE SG SI SK SN SR SV SY TC TD TG TH TN TR TT
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TW TZ UA UG US UY UZ VC VE VI VN VU WF WS YE YT ZA
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ZW 00
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'
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fi
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;;
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--freq-band)
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opts="2.4 5"
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;;
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--driver)
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# Refer http://w1.fi/cgit/hostap/tree/src/drivers
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# Not going to implement
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;;
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--no-virt)
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# No Options
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;;
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--no-haveged)
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# No Options
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;;
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--fix-unmanaged)
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# No Options
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;;
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--mac)
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# Not going to implement
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;;
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--daemon)
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# No Options
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;;
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--stop)
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local stop_awk_cmd='$1 ~ /^[0-9]+$/'
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opts=$("$1" --list-running | awk "$stop_awk_cmd")
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;;
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--list-running)
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# No Options
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;;
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--list-clients)
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local clients_awk_cmd='$1 ~ /^[0-9]+$/'
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opts=$("$1" --list-running | awk "$clients_awk_cmd")
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;;
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--no-dns)
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# No Options
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;;
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--dhcp-dns)
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# Not going to implement
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;;
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--mkconfig)
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_use_filedir && return 0
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;;
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--config)
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_use_filedir && return 0
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;;
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-g)
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# Not going to implement
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;;
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-d)
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# No Options
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;;
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*)
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;;
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esac
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COMPREPLY=( $(compgen -W "$opts" -- $cur) )
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return 0
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}
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complete -F _create_ap create_ap
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# vim: set ft=sh:
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28
create_ap.conf
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28
create_ap.conf
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CHANNEL=default
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GATEWAY=10.0.0.1
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WPA_VERSION=2
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ETC_HOSTS=0
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DHCP_DNS=gateway
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NO_DNS=0
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NO_DNSMASQ=0
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HIDDEN=0
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MAC_FILTER=0
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MAC_FILTER_ACCEPT=/etc/hostapd/hostapd.accept
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ISOLATE_CLIENTS=0
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SHARE_METHOD=nat
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IEEE80211N=0
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IEEE80211AC=0
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HT_CAPAB=[HT40+]
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VHT_CAPAB=
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DRIVER=nl80211
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NO_VIRT=0
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COUNTRY=
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FREQ_BAND=2.4
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NEW_MACADDR=
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DAEMONIZE=0
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NO_HAVEGED=0
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WIFI_IFACE=wlan0
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INTERNET_IFACE=eth0
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SSID=MyAccessPoint
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PASSPHRASE=12345678
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USE_PSK=0
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13
create_ap.service
Normal file
13
create_ap.service
Normal file
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[Unit]
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Description=Create AP Service
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After=network.target
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[Service]
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Type=simple
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ExecStart=/usr/bin/create_ap --config /etc/create_ap.conf
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KillSignal=SIGINT
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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74
howto/realtek.md
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74
howto/realtek.md
Normal file
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## Try this first
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If you are facing any problems with Realtek adapters (e.g. Edimax EW-7811Un)
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first try to run create_ap with `-w 2` (i.e. use WPA2 only) or use it
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without passphrase. If you are still facing any problems or you want to
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also use WPA1, then follow the instructions below.
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NOTE: The instructions below are only valid for Realtek adapters with 8192 chipset.
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## Before installation
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If you're using ArchLinux, run:
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```
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pacman -S base-devel linux-headers dkms git
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pacman -R hostapd
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```
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If you're using Debian, Ubuntu, or any Debian-based distribution, run:
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```
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apt-get install build-essential linux-headers-generic dkms git
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apt-get remove hostapd
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apt-get build-dep hostapd
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```
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## Install driver
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The driver in the mainline of Linux kernel doesn't work well with the 8192 adapters.
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For this reason you need to install the driver that is provided from Realtek. Their
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driver can not be compiled with newer kernels, but since it was an open-source
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release under GPL license some people were able to fixed it and make it compile.
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With the following commands you can install a fixed version of Realtek's driver:
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```
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git clone https://github.com/pvaret/rtl8192cu-fixes.git
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dkms add rtl8192cu-fixes
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dkms install 8192cu/1.9
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cp rtl8192cu-fixes/blacklist-native-rtl8192.conf /etc/modprobe.d
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cp rtl8192cu-fixes/8192cu-disable-power-management.conf /etc/modprobe.d
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```
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After installation, unload the previous driver and load the new one, or just reboot.
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## Install hostapd
|
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|
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Realtek's driver is using an old subsystem which is called `wireless-extensions`
|
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(or `wext`). Hostapd works only with the new subsystem (which is called `nl80211`).
|
||||
For this reason Realtek wrote a patch for hostapd. You can install it with the
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following commands:
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|
||||
If you have ArchLinux install [hostapd-rtl871xdrv](https://aur.archlinux.org/packages/hostapd-rtl871xdrv)
|
||||
from AUR or just run:
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|
||||
```
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||||
yaourt -S hostapd-rtl871xdrv
|
||||
```
|
||||
|
||||
If you're using any other distribution, run:
|
||||
|
||||
```
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||||
git clone https://github.com/pritambaral/hostapd-rtl871xdrv.git
|
||||
wget http://w1.fi/releases/hostapd-2.2.tar.gz
|
||||
tar zxvf hostapd-2.2.tar.gz
|
||||
cd hostapd-2.2
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patch -p1 -i ../hostapd-rtl871xdrv/rtlxdrv.patch
|
||||
cp ../hostapd-rtl871xdrv/driver_* src/drivers
|
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cd hostapd
|
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cp defconfig .config
|
||||
echo CONFIG_DRIVER_RTW=y >> .config
|
||||
make
|
||||
make install
|
||||
```
|
||||
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Block a user