From 8612c66ed3a6063015a43b2a2daf952f6a9dc368 Mon Sep 17 00:00:00 2001 From: Matthew Date: Sat, 24 May 2025 19:15:17 +0800 Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E8=84=9A=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app/src/main/assets/eth.sh | 135 ++++++++++++++++++++++++++++++------- 1 file changed, 110 insertions(+), 25 deletions(-) diff --git a/app/src/main/assets/eth.sh b/app/src/main/assets/eth.sh index a6284e06..d5be72d8 100644 --- a/app/src/main/assets/eth.sh +++ b/app/src/main/assets/eth.sh @@ -1,46 +1,131 @@ #!/system/bin/sh -while [ $WAITED -lt $MAX_WAIT ]; do +# ============================================== +# Configuration parameters - modify as needed +# ============================================== +ETH_IP="192.168.68.91" # Ethernet IP address +ETH_NETMASK="24" # Subnet mask (CIDR format) +ETH_NETWORK="192.168.68.0" # Network address +ETH_BROADCAST="192.168.68.255" # Broadcast address +ETH_GATEWAY="192.168.68.1" # Default gateway +ROUTE_TABLE="20" # Routing table number +MAX_INIT_WAIT=150 # Maximum seconds to wait for ethernet interface +MAX_UP_WAIT=10 # Maximum seconds to wait for interface to come UP +MAX_ROUTE_WAIT=5 # Maximum seconds to wait for routing rules + +# For debugging only - comment out in production +# set -x + +# Record script start time +SCRIPT_START=$(date +%s) + +# Cleanup function - handles unexpected interruptions +cleanup() { + echo "Script interrupted, cleaning up..." >&2 + # Add additional cleanup code here if needed + exit 1 +} +trap cleanup INT TERM + +# Only configure rp_filter for eth0 interface +echo 0 > /proc/sys/net/ipv4/conf/eth0/rp_filter 2>/dev/null || true + +# Wait for eth0 interface to appear +WAITED=0 +while [ $WAITED -lt $MAX_INIT_WAIT ]; do if [ -d "/sys/class/net/eth0" ]; then - echo "eth0 found" + echo "eth0 found after $WAITED seconds" break fi - echo "Wait eth0... ($WAITED/$MAX_WAIT)" - sleep 1 + echo "Wait eth0... ($WAITED/$MAX_INIT_WAIT)" + sleep 0.1 WAITED=$((WAITED+1)) done -# 检查eth0是否存在 +# Check if eth0 exists if ! [ -d "/sys/class/net/eth0" ]; then - echo "Error: eth0 not exists" + echo "Error: eth0 not exists" >&2 exit 1 fi +# Check physical connection status +if [ -f "/sys/class/net/eth0/carrier" ]; then + CARRIER=$(cat /sys/class/net/eth0/carrier) + echo "Physical connection status: $CARRIER (1=connected, 0=disconnected)" + if [ "$CARRIER" != "1" ]; then + echo "Warning: Ethernet physical connection may have issues, please check the cable" >&2 + fi +fi + +# Clear previous configuration /system/bin/ip link set eth0 down -/system/bin/ip addr flush dev eth0 -/system/bin/ip addr add 192.168.68.91/24 broadcast 192.168.68.255 dev eth0 +/system/bin/ip addr flush dev eth0 +/system/bin/ip route flush dev eth0 +/system/bin/ip route flush table $ROUTE_TABLE +/system/bin/ip rule del to $ETH_NETWORK/$ETH_NETMASK 2>/dev/null || true + +# Configure IP address +/system/bin/ip addr add $ETH_IP/$ETH_NETMASK broadcast $ETH_BROADCAST dev eth0 + +# Enable interface and wait for UP /system/bin/ip link set eth0 up -/system/bin/sleep 1 -/system/bin/ip route delete 192.168.68.0/24 table 20 -/system/bin/ip route add 192.168.68.0/24 dev eth0 proto static scope link table 20 + +# Use loop to wait for interface UP instead of fixed sleep +WAITED=0 +while [ $WAITED -lt $MAX_UP_WAIT ]; do + IF_STATUS=$(/system/bin/ip link show eth0 | grep -c "state UP") + if [ "$IF_STATUS" = "1" ]; then + echo "Interface is UP after $WAITED seconds" + break + fi + echo "Waiting for interface UP... ($WAITED/$MAX_UP_WAIT)" + sleep 0.5 + WAITED=$((WAITED+1)) +done + +if [ "$IF_STATUS" != "1" ]; then + echo "Warning: Interface did not come UP within expected time, attempting to enable again" >&2 + /system/bin/ip link set eth0 up + sleep 1 +fi + +# First add to main routing table +/system/bin/ip route add $ETH_NETWORK/$ETH_NETMASK dev eth0 proto static scope link + +# Then add to specified routing table +/system/bin/ip route add $ETH_NETWORK/$ETH_NETMASK dev eth0 proto static scope link table $ROUTE_TABLE ADD_ROUTE_STATUS=$? if [ $ADD_ROUTE_STATUS -eq 0 ]; then - echo "路由添加命令成功执行" + echo "Add route successfully" else - echo "路由添加命令失败，状态码: $ADD_ROUTE_STATUS" - exit $ADD_ROUTE_STATUS + echo "Failed to add route: $ADD_ROUTE_STATUS" >&2 fi -/system/bin/ip route flush cache -/system/bin/ip rule del to 192.168.68.0/24 -/system/bin/ip rule add from all to 192.168.68.0/24 lookup 20 prio 1000 -/system/bin/ip route flush cache +# Only clear ARP and neighbor cache for eth0 +/system/bin/ip neigh flush dev eth0 -if /system/bin/ip rule | grep -q "192.168.68.0/24"; then - echo "路由配置成功" - exit 0 -else - echo "路由配置失败" - exit 1 -fi +# Add routing rules - only flush cache once after rule is added +/system/bin/ip rule add from all to $ETH_NETWORK/$ETH_NETMASK lookup $ROUTE_TABLE prio 1000 +/system/bin/ip route flush cache dev eth0 + +# Only enable forwarding for eth0 interface +echo 1 > /proc/sys/net/ipv4/conf/eth0/forwarding 2>/dev/null || true + +# Wait for routing rules to take effect - using loop check instead of fixed wait +WAITED=0 +while [ $WAITED -lt $MAX_ROUTE_WAIT ]; do + if /system/bin/ip rule | grep -q "$ETH_NETWORK/$ETH_NETMASK"; then + echo "Routing rules are now effective after $WAITED seconds" + break + fi + echo "Waiting for routing rules to take effect... ($WAITED/$MAX_ROUTE_WAIT)" + sleep 0.5 + WAITED=$((WAITED+1)) +done + +# Display execution time +SCRIPT_END=$(date +%s) +TOTAL_TIME=$((SCRIPT_END - SCRIPT_START)) +echo "Total script execution time: $TOTAL_TIME seconds" +exit 0