From 3d28041460f92683c3601e9d63bc2727a3ed8c61 Mon Sep 17 00:00:00 2001
From: ilya <contact@jean-cloud.org>
Date: Mon, 20 Oct 2025 15:58:08 +0200
Subject: [PATCH] update

---
 gw.sh     | 111 +++++++++++++++++++++++++++++++++++++++++++-----------
 startsync |   2 +-
 2 files changed, 89 insertions(+), 24 deletions(-)

diff --git a/gw.sh b/gw.sh
index cd66851..d497fb4 100755
--- a/gw.sh
+++ b/gw.sh
@@ -1,37 +1,102 @@
 #!/bin/bash
-. driglibash-base
 
-if [ "$#" -ne 2 ] ; then
-    yell "Missing 2 parameters"
-    die "Usage: $0 <local_iface> <net_iface>"
+declare -A usage
+declare -A varia
+version="beta 1.0"
+sumary="$0 [options]"
+
+usage[l]="Locale iface"
+varia[l]=local_iface
+
+usage[w]="wan iface (must be already configured)"
+varia[w]=wan_iface
+wan_iface=
+
+usage[d]="dhcp on local iface"
+varia[d]=enable_dhcp
+enable_dhcp=false
+
+usage[H]="hostapd on local iface"
+varia[H]=enable_hostapd
+enable_hostapd=false
+
+usage[n]="Network part of ip (without last dot). ONLY classes A,B,C or D allowed"
+varia[n]=net
+net="192.168.99"
+
+usage[i]="Host part of local_iface IP (without first dot)"
+varia[i]=host_ip
+host_ip=254
+
+usage[s]="SSID of wifi network"
+varia[s]=ssid
+ssid="The candy cave charliiiiiiiie!"
+
+usage[p]="PSK of wifi network"
+varia[p]=psk
+psk="Ho! They stole my kidney :("
+
+
+. driglibash-args
+
+dots=${net//[^.]}
+netmask=$((${#dots}*8+8))
+
+if [ -z "$local_iface" ] ; then
+	die "You muste provide a local iface (-l)"
 fi
 
 root_or_die
 
-local_iface="$1"
-net_iface="$2"
-net="192.168.99"
-
-run sysctl net.ipv4.ip_forward=1
-#clean "sysctl net.ipv4.ip_forward=1"
-
 run nmcli device set "$local_iface" managed no
 clean "nmcli device set "$local_iface" managed yes"
 
-run ip a add $net.254/24 dev "$local_iface"
-clean "ip a del $net.254/24 dev $local_iface"
+run ip a add "$net.$host_ip/$netmask" dev "$local_iface"
+clean "ip a del "$net.$host_ip/$netmask" dev $local_iface"
 
-# For dhcp offers
-run iptables -A OUTPUT -d 255.255.255.255/32 -j ACCEPT
+if [ -z "$wan_iface" ] ; then
+	run sysctl net.ipv4.ip_forward=1
+	clean "sysctl net.ipv4.ip_forward=0"
 
-run iptables -A OUTPUT -d $net.0/24 -j ACCEPT
-run iptables -A INPUT  -s $net.0/24 -j ACCEPT
-run iptables -A INPUT  -s 255.255.255.255 -j ACCEPT
-run iptables -A INPUT  -i "$local_iface" -j ACCEPT
+	run iptables -A OUTPUT -d $net.0/$netmask -j ACCEPT
+	run iptables -A INPUT  -s $net.0/$netmask -j ACCEPT
+	run iptables -A INPUT  -s 255.255.255.255 -j ACCEPT
+	run iptables -A INPUT  -i "$local_iface" -j ACCEPT
+	
+	run iptables -t nat -A POSTROUTING -o "$wan_iface" -j MASQUERADE
+	run iptables -A FORWARD -i "$wan_iface" -o "$local_iface" -m state --state RELATED,ESTABLISHED -j ACCEPT
+	run iptables -A FORWARD -i "$local_iface" -o "$wan_iface"  -j ACCEPT
+fi
 
-run iptables -t nat -A POSTROUTING -o "$net_iface" -j MASQUERADE
-run iptables -A FORWARD -i $net_iface -o $local_iface -m state --state RELATED,ESTABLISHED -j ACCEPT
-run iptables -A FORWARD -i $local_iface -o $net_iface  -j ACCEPT
-run dnsmasq --dhcp-range=$net.100,$net.199,10m -d --server=9.9.9.9 --listen-address $net.254 --interface "$local_iface" -p0 
+if $enable_dhcp ; then
+	# For dhcp offers
+	run iptables -A OUTPUT -d 255.255.255.255/32 -j ACCEPT
+	
+	run dnsmasq "--dhcp-range=$net.100,$net.199,1m" --server=9.9.9.9 -q --listen-address "$net.$host_ip" --interface "$local_iface" -p0 -d &
+	clean "kill %1"
+fi
+
+
+if $enable_hostapd ; then
+	# Write config
+	hostapd_config="$(mktemp)"
+	echo >"$hostapd_config" <<-EOF
+		interface=$local_iface
+		ctrl_interface=/var/run/hostapd
+		hw_mode=g
+		channel=1
+		wpa=2
+		ssid=$ssid
+		wpa_passphrase=$psk
+		wpa_key_mgmt=WPA-PSK WPA-EAP
+	EOF
+	hostapd -d "$hostapd_config" &
+	clean "kill %2"
+fi
+
+echo "PRESS CTRL+C TO QUIT"
+while true ; do
+	sleep 100000000
+done
 
 clean
diff --git a/startsync b/startsync
index c584dae..23937ed 100755
--- a/startsync
+++ b/startsync
@@ -26,7 +26,7 @@ echo -n '$auth' | base64 -d > ~/.Xauthority
 
 if [ -n "\$(find ~/.mails/collected_addresses.txt -mtime +24)" ] ; then
 	echo 'Recollect mail addresses'
-	(notmuch address --output sender '*' ; notmuch address --output recipients '*') | grep -vP "<.*[\x00-\x1F\x7F-\xFF].*>" | grep -vP "[\x00-\x1F\x7F-\xFF]\S*@" | grep -vP "@\S*[\x00-\x1F\x7F-\xFF]" | sort -u > ~/.mails/collected_addresses.txt
+	(cat ~/.mails/collected_addresses.txt ; notmuch address --output sender '*' ; notmuch address --output recipients '*') | grep -vP "<.*[\x00-\x1F\x7F-\xFF].*>" | grep -vP "[\x00-\x1F\x7F-\xFF]\S*@" | grep -vP "@\S*[\x00-\x1F\x7F-\xFF]" | sort -u > ~/.mails/collected_addresses.txt
 fi
 birthday_reminder ~/.contacts/bdays/collection-root/dav/4702d4b7-8edd-7b56-ab9c-c11a64d883a3 >/dev/null
 syncmails