6 Commits

Author SHA1 Message Date
garywill
200b6d4451 show distro and kernel 2022-01-05 20:07:15 +08:00
garywill
2ea1dfd5b7 Merge branch 'master' 2022-01-05 20:02:39 +08:00
garywill
f6995bc30c get device pci info 2022-01-05 20:01:38 +08:00
garywill
204756cffb more logs 2022-01-03 20:30:11 +08:00
garywill
e1ccfac40c add some delay and logging 2021-12-09 11:07:50 +08:00
garywill
f8cbf5eded don't use PGID to do clean up 2021-11-20 20:32:38 +08:00
2 changed files with 106 additions and 19 deletions

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@@ -4,7 +4,7 @@ Set Linux as router in one command. Able to provide Internet, or create WiFi hot
It wraps `iptables`, `dnsmasq` etc. stuff. Use in one command, restore in one command or by `control-c` (or even by closing terminal window). It wraps `iptables`, `dnsmasq` etc. stuff. Use in one command, restore in one command or by `control-c` (or even by closing terminal window).
[More tools and projects 🛠️](https://garywill.github.io) | [🍻 Buy me a coffee ❤️](https://github.com/garywill/receiving/blob/master/receiving_methods.md) [Linux-Router News & Developer Notes 📰](https://github.com/garywill/linux-router/issues/28) | [More tools and projects 🛠️](https://garywill.github.io) | [🍻 Buy me a coffee ❤️](https://github.com/garywill/receiving/blob/master/receiving_methods.md)
## Features ## Features
@@ -23,7 +23,7 @@ Basic features:
- Create AP on the same interface you are getting Internet (usually require same channel) - Create AP on the same interface you are getting Internet (usually require same channel)
- Transparent proxy (redsocks) - Transparent proxy (redsocks)
- Transparent DNS proxy (hijack port 53 packets) - Transparent DNS proxy (hijack port 53 packets)
- Compatible with NetworkManager (automatically set interface as unmanaged) - Detect NetworkManager and make sure it won't interfere (handle interface (un)managed status)
- You can run many instances, to create many different networks. Has instances managing feature. - You can run many instances, to create many different networks. Has instances managing feature.
**For many other features, see below [CLI usage](#cli-usage-and-other-features)** **For many other features, see below [CLI usage](#cli-usage-and-other-features)**
@@ -388,11 +388,11 @@ Options:
## What changes are done to Linux system ## What changes are done to Linux system
On exit of a linux-router instance, script **will do cleanup**, i.e. undo most changes to system. Though, **some** changes will **not** be undone, which are: On exit of a linux-router instance, script **will do cleanup**, i.e. undo most changes to system. Though, **some** changes (if needed) will **not** be undone, which are:
1. `/proc/sys/net/ipv4/ip_forward = 1` and `/proc/sys/net/ipv6/conf/all/forwarding = 1` 1. `/proc/sys/net/ipv4/ip_forward = 1` and `/proc/sys/net/ipv6/conf/all/forwarding = 1`
2. dnsmasq (if used) in Apparmor complain mode 2. dnsmasq in Apparmor complain mode
3. hostapd (if used) in Apparmor complain mode 3. hostapd in Apparmor complain mode
4. Kernel module `nf_nat_pptp` loaded 4. Kernel module `nf_nat_pptp` loaded
5. The wifi device which is used to create hotspot is `rfkill unblock`ed 5. The wifi device which is used to create hotspot is `rfkill unblock`ed
6. WiFi country code, if user assigns 6. WiFi country code, if user assigns
@@ -413,16 +413,15 @@ On exit of a linux-router instance, script **will do cleanup**, i.e. undo most c
## TODO ## TODO
<details> Sooner is better:
- Detect firewalld and make sure it won't interfere our interface
- Compatibility with firewalld Future:
- WPA3 - WPA3
- Global IPv6 - Global IPv6
- Explictly ban forwarding if not needed - Explictly ban forwarding if not needed
- Bring bridging method back - Bring bridging method back
</details>
## License ## License
linux-router is LGPL licensed linux-router is LGPL licensed
@@ -486,7 +485,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Visit [**my homepage** 🏡](https://garywill.github.io) to see **more tools and projects** 🛠️. Visit [**my homepage** 🏡](https://garywill.github.io) to see **more tools and projects** 🛠️.
> [❤️ Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([❤️ 扫码打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md)) > [❤️ Buy me a coffee](https://github.com/garywill/receiving/blob/master/receiving_methods.md) , this project took me lots of time! ([❤️ 扫码领红包并打赏一个!](https://github.com/garywill/receiving/blob/master/receiving_methods.md))
> >
> 🥂 ( ^\_^) o自自o (^_^ ) 🍻 > 🥂 ( ^\_^) o自自o (^_^ ) 🍻

106
lnxrouter
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@@ -626,6 +626,32 @@ get_interface_mac() {
cat "/sys/class/net/${1}/address" cat "/sys/class/net/${1}/address"
} }
get_interface_pci_info() { # pci id / model / virtual
is_interface "$1" || return
local device_path
local pci_id
local pci_full
device_path="$(readlink -f /sys/class/net/$1)"
if [[ "$device_path" == "/sys/devices/pci"* ]]; then
pci_id="$(echo $device_path | sed 's/\//\n/g' | tail -n 3 |sed -n 1p)"
if which lspci >/dev/null 2>&1 ; then
pci_full="$( lspci -D -nn | grep -E "^$pci_id " )"
echo " PCI: $pci_full"
else
echo " PCI: $pci_id"
fi
elif [[ "$device_path" == *"/virtual/"* ]]; then
echo " virtual interface"
fi
# TODO usb
# TODO current driver
}
alloc_new_vface_name() { # only for wifi alloc_new_vface_name() { # only for wifi
local i=0 local i=0
local v_iface_name= local v_iface_name=
@@ -1158,7 +1184,7 @@ _cleanup() {
} }
clean_iptables() { clean_iptables() {
bash $CONFDIR/undo_iptables.sh [[ -f $CONFDIR/undo_iptables.sh ]] && bash $CONFDIR/undo_iptables.sh
[[ -f $CONFDIR/undo_iptables_2.sh ]] && bash $CONFDIR/undo_iptables_2.sh [[ -f $CONFDIR/undo_iptables_2.sh ]] && bash $CONFDIR/undo_iptables_2.sh
} }
@@ -1173,10 +1199,10 @@ cleanup() {
clean_iptables > /dev/null clean_iptables > /dev/null
_cleanup 2> /dev/null _cleanup 2> /dev/null
pgid=$(ps opgid= $$ |awk '{print $1}' ) #pgid=$(ps opgid= $$ |awk '{print $1}' )
echo "Killing PGID $pgid ..." #echo "Killing PGID $pgid ..."
kill -15 -$pgid #kill -15 -$pgid
sleep 1 #sleep 1
echo "Cleaning up done" echo "Cleaning up done"
#kill -9 -$pgid #kill -9 -$pgid
} }
@@ -1588,6 +1614,10 @@ decide_ip_addresses() {
} }
prepare_wifi_interface() { prepare_wifi_interface() {
sleep 1
echo; echo; echo;
echo "Trying to set power_save off ..."
if [[ $USE_IWCONFIG -eq 0 ]]; then if [[ $USE_IWCONFIG -eq 0 ]]; then
iw dev ${WIFI_IFACE} set power_save off iw dev ${WIFI_IFACE} set power_save off
fi fi
@@ -1610,7 +1640,9 @@ prepare_wifi_interface() {
echo echo
fi fi
fi fi
sleep 6
echo; echo; echo;
echo "Creating a virtual WiFi interface... " echo "Creating a virtual WiFi interface... "
VWIFI_IFACE=$(alloc_new_vface_name) VWIFI_IFACE=$(alloc_new_vface_name)
if iw dev ${WIFI_IFACE} interface add ${VWIFI_IFACE} type __ap; then if iw dev ${WIFI_IFACE} interface add ${VWIFI_IFACE} type __ap; then
@@ -1925,11 +1957,12 @@ phead
phead2 phead2
echo echo
echo " ============ In dev branch for issue #12 ==========="
echo "PID: $$" echo "PID: $$"
TARGET_IFACE="$(decide_target_interface)" || exit 1 # judge wired (-i CONN_IFACE) or wireless hotspot (--ap $WIFI_IFACE) TARGET_IFACE="$(decide_target_interface)" || exit 1 # judge wired (-i CONN_IFACE) or wireless hotspot (--ap $WIFI_IFACE)
echo "Target interface is ${TARGET_IFACE} ($(get_interface_mac $TARGET_IFACE))" echo "Target interface is ${TARGET_IFACE} ($(get_interface_mac $TARGET_IFACE)) $(get_interface_pci_info $TARGET_IFACE)"
# TODO: show interface type, device model and pci/usb id (hwdata pci.ids), current driver
if [[ "$MAC_USE_RANDOM" -eq 1 ]] ; then if [[ "$MAC_USE_RANDOM" -eq 1 ]] ; then
NEW_MACADDR="$(generate_random_mac)" NEW_MACADDR="$(generate_random_mac)"
@@ -1949,10 +1982,33 @@ init_trap
init_conf_dirs # CONFDIR , COMMON_CONFDIR . make dir init_conf_dirs # CONFDIR , COMMON_CONFDIR . make dir
echo -e "\nDistro:"
cat /etc/os-release
echo -e "\nKernel:"
uname -a
echo
echo "setting NM log level: nmcli general logging level TRACE domains ALL"
nmcli general logging level TRACE domains ALL
echo "Logging journalctl -f"
journalctl -f &
echo $! > $CONFDIR/journalctl.pid
echo "Logging dmesg -W"
dmesg -W &
echo $! > $CONFDIR/dmesg.pid
echo "Logging wpa_supplicant.log"
tail -f /var/log/wpa_supplicant.log &
echo $! > $CONFDIR/wpa_supplicant_log.pid
[[ $WIFI_IFACE ]] && prepare_wifi_interface # this will create virtual ap interface (if needed) and set VWIFI_IFACE and AP_IFACE (if success) [[ $WIFI_IFACE ]] && prepare_wifi_interface # this will create virtual ap interface (if needed) and set VWIFI_IFACE and AP_IFACE (if success)
SUBNET_IFACE="$(decide_subnet_interface)" # SUBNET_IFACE can be TARGET_IFACE (wired) or AP_IFACE (ap) .this is after prepare_wifi_interface() SUBNET_IFACE="$(decide_subnet_interface)" # SUBNET_IFACE can be TARGET_IFACE (wired) or AP_IFACE (ap) .this is after prepare_wifi_interface()
echo "$SUBNET_IFACE" > "$CONFDIR/subn_iface" echo "$SUBNET_IFACE" > "$CONFDIR/subn_iface"
ip addr show dev ${SUBNET_IFACE}
# if virtual wifi interface, will be destroyed, so only need to save status when not # if virtual wifi interface, will be destroyed, so only need to save status when not
[[ -z $VWIFI_IFACE ]] && backup_interface_status [[ -z $VWIFI_IFACE ]] && backup_interface_status
@@ -1972,6 +2028,10 @@ fi
#=================================================== #===================================================
#=================================================== #===================================================
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
echo "Trying to set NM unmanage ..."
# set interface unmanaged by networkManager # set interface unmanaged by networkManager
if [[ $NM_RUNNING -eq 1 ]] && nm_knows $TARGET_IFACE; then # if nm knows target iface, should know subnet iface too. but need to wait until nm finds subnet iface (waiting code is in nm_set_unmanaged() if [[ $NM_RUNNING -eq 1 ]] && nm_knows $TARGET_IFACE; then # if nm knows target iface, should know subnet iface too. but need to wait until nm finds subnet iface (waiting code is in nm_set_unmanaged()
nm_set_unmanaged ${SUBNET_IFACE} # will write NM_UNM_LIST nm_set_unmanaged ${SUBNET_IFACE} # will write NM_UNM_LIST
@@ -1980,19 +2040,47 @@ fi
[[ $NO_DNSMASQ -eq 0 ]] && write_dnsmasq_conf [[ $NO_DNSMASQ -eq 0 ]] && write_dnsmasq_conf
#=========================== #===========================
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
echo "Trying to set ${SUBNET_IFACE} down ..."
# initialize subnet interface # initialize subnet interface
# take subnet interface down first # take subnet interface down first
ip link set down dev ${SUBNET_IFACE} || die "Failed setting ${SUBNET_IFACE} down" ip link set down dev ${SUBNET_IFACE} || die "Failed setting ${SUBNET_IFACE} down"
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
echo "Trying to flush ${SUBNET_IFACE} ..."
# flush old IPs of subnet interface # flush old IPs of subnet interface
ip addr flush ${SUBNET_IFACE} || die "Failed flush ${SUBNET_IFACE} IP" ip addr flush ${SUBNET_IFACE} || die "Failed flush ${SUBNET_IFACE} IP"
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
dealwith_mac # setting MAC should be after setting NM unmanaged dealwith_mac # setting MAC should be after setting NM unmanaged
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
echo "Trying to check and do rfkill unblock ..."
[[ $WIFI_IFACE ]] && check_rfkill_unblock_wifi [[ $WIFI_IFACE ]] && check_rfkill_unblock_wifi
sleep 1
echo; echo; echo;
ip addr show dev ${SUBNET_IFACE}
echo "Trying to bring interface ${SUBNET_IFACE} up ..."
# bring subnet interface up # bring subnet interface up
ip link set up dev ${SUBNET_IFACE} || die "Failed bringing ${SUBNET_IFACE} up" ip link set up dev ${SUBNET_IFACE} || die "Failed bringing ${SUBNET_IFACE} up"
sleep 1
echo; echo; echo;
echo "Finished test. Exiting ..."
clean_exit
exit
# hostapd , haveged # hostapd , haveged
[[ $WIFI_IFACE ]] && run_wifi_ap_processes [[ $WIFI_IFACE ]] && run_wifi_ap_processes
@@ -2065,7 +2153,7 @@ fi
[[ $NO_DNSMASQ -eq 0 ]] && ( allow_dhcp ; start_dnsmasq ) [[ $NO_DNSMASQ -eq 0 ]] && ( allow_dhcp ; start_dnsmasq )
echo echo
echo "== Setting up completed, now linux-router is working ==" echo "== Setting up completed, now linux-router should be working =="
#============================================================ #============================================================
#============================================================ #============================================================