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Update ttl_setup

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This commit is contained in:
iamromulan
2024-07-20 22:02:36 -04:00
parent e7ef610f05
commit b8ed7f2ba8
1 changed files with 59 additions and 52 deletions
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111
RM55x_rcPCIe_toolkit.sh
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@@ -148,64 +148,71 @@ basic_55x_setup() {
}
ttl_setup() {
local ttl_file="/etc/firewall.user.ttl"
local lan_utils_script="/etc/data/lanUtils.sh"
local combine_function="util_combine_iptable_rules"
local temp_file="/tmp/temp_firewall_user_ttl"
local ttl_file="/etc/firewall.user.ttl"
local lan_utils_script="/etc/data/lanUtils.sh"
local combine_function="util_combine_iptable_rules"
local temp_file="/tmp/temp_firewall_user_ttl"
overlay_check || return
overlay_check || return
if [ -f "$ttl_file" ]; then
while true; do
echo "Would you like to edit the TTL settings? (yes to continue, exit to quit):"
read -r response
if [ "$response" = "exit" ]; then
echo "Exiting..."
break
elif [ "$response" = "yes" ]; then
if [ ! -s "$ttl_file" ]; then
echo -e "\e[31mTTL is not enabled\e[0m"
else
ipv4_ttl=$(grep 'iptables -t mangle -A POSTROUTING' "$ttl_file" | awk '{print $10}')
ipv6_ttl=$(grep 'ip6tables -t mangle -A POSTROUTING' "$ttl_file" | awk '{print $10}')
echo -e "\e[32mCurrent IPv4 TTL: $ipv4_ttl\e[0m"
echo -e "\e[32mCurrent IPv6 TTL: $ipv6_ttl\e[0m"
fi
echo -e "\e[32mType 0 to disable TTL\e[0m"
echo "Enter the TTL value (number only):"
read -r ttl_value
if ! [[ "$ttl_value" =~ ^[0-9]+$ ]]; then
echo "Invalid input, please enter a number."
else
if [ "$ttl_value" -eq 0 ]; then
echo "Disabling TTL..."
> "$ttl_file"
else
echo "Setting TTL to $ttl_value..."
echo "iptables -t mangle -A POSTROUTING -o rmnet+ -j TTL --ttl-set $ttl_value" > "$ttl_file"
echo "ip6tables -t mangle -A POSTROUTING -o rmnet+ -j HL --hl-set $ttl_value" >> "$ttl_file"
fi
/bin/ash "$lan_utils_script"
fi
fi
done
else
echo "Creating $ttl_file..."
touch "$ttl_file"
echo "Modifying $combine_function in $lan_utils_script..."
# Backup the original script
cp "$lan_utils_script" "${lan_utils_script}.bak"
# Check if the function already includes the ttl_firewall_file line
if ! grep -q "local ttl_firewall_file" "$lan_utils_script"; then
awk -v RS= -v ORS="\n\n" "/$combine_function/ {sub(/}/, \" local ttl_firewall_file=/etc/firewall.user.ttl\n\n #cleanup\n cat /dev/null > \$firewall_file\n\n #combine separate files to /etc/firewall.user\n if [ -f \\\"\$nat_firewall_file\\\" ]; then\n cat \$nat_firewall_file >> \$firewall_file\n fi\n if [ -f \\\"\$porttrigger_firewall_file\\\" ]; then\n cat \$porttrigger_firewall_file >> \$firewall_file\n fi\n if [ -f \\\"\$tcpmss_firewall_filev4\\\" ]; then\n cat \$tcpmss_firewall_filev4 >> \$firewall_file\n fi\n if [ -f \\\"\$tcpmss_firewall_filev6\\\" ]; then\n cat \$tcpmss_firewall_filev6 >> \$firewall_file\n fi\n if [ -f \\\"\$ttl_firewall_file\\\" ]; then\n cat \$ttl_firewall_file >> \$firewall_file\n fi\n}\");} 1" "$lan_utils_script" > "$temp_file" && mv "$temp_file" "$lan_utils_script"
if [ -f "$ttl_file" ]; then
while true; do
echo "Would you like to edit the TTL settings? (yes to continue, exit to quit):"
read -r response
if [ "$response" = "exit" ]; then
echo "Exiting..."
break
elif [ "$response" = "yes" ]; then
if [ ! -s "$ttl_file" ]; then
echo -e "\e[31mTTL is not enabled\e[0m"
else
ipv4_ttl=$(grep 'iptables -t mangle -A POSTROUTING' "$ttl_file" | awk '{print $10}')
ipv6_ttl=$(grep 'ip6tables -t mangle -A POSTROUTING' "$ttl_file" | awk '{print $10}')
echo -e "\e[32mCurrent IPv4 TTL: $ipv4_ttl\e[0m"
echo -e "\e[32mCurrent IPv6 TTL: $ipv6_ttl\e[0m"
fi
ttl_setup
echo -e "\e[32mType 0 to disable TTL\e[0m"
echo "Enter the TTL value (number only):"
read -r ttl_value
if ! [[ "$ttl_value" =~ ^[0-9]+$ ]]; then
echo "Invalid input, please enter a number."
else
if [ "$ttl_value" -eq 0 ]; then
echo "Disabling TTL..."
> "$ttl_file"
else
echo "Setting TTL to $ttl_value..."
echo "iptables -t mangle -A POSTROUTING -o rmnet+ -j TTL --ttl-set $ttl_value" > "$ttl_file"
echo "ip6tables -t mangle -A POSTROUTING -o rmnet+ -j HL --hl-set $ttl_value" >> "$ttl_file"
fi
/bin/ash "$lan_utils_script"
fi
fi
done
else
echo "Creating $ttl_file..."
touch "$ttl_file"
echo "Modifying $combine_function in $lan_utils_script..."
# Backup the original script
cp "$lan_utils_script" "${lan_utils_script}.bak"
# Add the local ttl_firewall_file line if it's not already present
if ! grep -q "local ttl_firewall_file" "$lan_utils_script"; then
sed -i '/local tcpmss_firewall_filev6/a \ local ttl_firewall_file=/etc/firewall.user.ttl' "$lan_utils_script"
fi
# Add the condition to include the ttl_firewall_file if it's not already present
if ! grep -q "if \[ -f \"\$ttl_firewall_file\" \]; then" "$lan_utils_script"; then
sed -i '/if \[ -f "\$tcpmss_firewall_filev6" \]; then/a \ if [ -f "\$ttl_firewall_file" ]; then\n cat \$ttl_firewall_file >> \$firewall_file\n fi' "$lan_utils_script"
fi
ttl_setup
fi
}
# Function for Tailscale Submenu
tailscale_menu() {
while true; do