From 9559445ef8c2033d44c3ac80e9f7191ccc9d0d3e Mon Sep 17 00:00:00 2001
From: dnomd343 <i@343.re>
Date: Mon, 15 Aug 2022 21:02:17 +0800
Subject: [PATCH] feat: setting up ip configure

---
 src/load.go    |  6 ++++++
 src/main.go    |  6 +++++-
 src/network.go | 26 ++++++++++++++++++++++++++
 test.yml       |  4 +++-
 4 files changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/load.go b/src/load.go
index bc43081..8237335 100644
--- a/src/load.go
+++ b/src/load.go
@@ -67,6 +67,12 @@ type inboundsSettings struct {
     Inbounds []interface{} `json:"inbounds"`
 }
 
+func runCommand(command []string) bool {
+    log.Debugf("Running system command -> %v", command)
+    // TODO: run system command
+    return true
+}
+
 func isFileExist(filePath string) bool {
     s, err := os.Stat(filePath)
     if err != nil { // file or folder not exist
diff --git a/src/main.go b/src/main.go
index 2567365..3e683b0 100644
--- a/src/main.go
+++ b/src/main.go
@@ -25,5 +25,9 @@ func main() {
     }
     loadConfig(content)
     //loadProxy("/etc/xproxy/config", "/xproxy")
-    loadDns()
+
+    // TODO: load geo assets
+
+    //loadDns()
+    loadNetwork()
 }
diff --git a/src/network.go b/src/network.go
index b3a2166..9157cc0 100644
--- a/src/network.go
+++ b/src/network.go
@@ -21,3 +21,29 @@ func loadDns() {
         panic("Setting up DNS failed")
     }
 }
+
+func loadNetwork() {
+    log.Info("Enabled IP forward")
+    runCommand([]string{"sysctl", "-w", "net.ipv4.ip_forward=1"})
+    runCommand([]string{"sysctl", "-w", "net.ipv6.conf.all.forwarding=1"})
+
+    log.Info("Flush system IP configure")
+    runCommand([]string{"ip", "link", "set", "eth0", "down"})
+    runCommand([]string{"ip", "-4", "addr", "flush", "dev", "eth0"})
+    runCommand([]string{"ip", "-6", "addr", "flush", "dev", "eth0"})
+    runCommand([]string{"ip", "link", "set", "eth0", "down"})
+
+    log.Info("Setting up system IP configure")
+    if v4Address != "" {
+        runCommand([]string{"ip", "-4", "addr", "add", v4Address, "dev", "eth0"})
+    }
+    if v4Gateway != "" {
+        runCommand([]string{"ip", "-4", "route", "add", "default", "via", v4Gateway})
+    }
+    if v6Address != "" {
+        runCommand([]string{"ip", "-6", "addr", "add", v6Address, "dev", "eth0"})
+    }
+    if v6Gateway != "" {
+        runCommand([]string{"ip", "-6", "route", "add", "default", "via", v6Gateway})
+    }
+}
diff --git a/test.yml b/test.yml
index 7e25170..5f26ad4 100644
--- a/test.yml
+++ b/test.yml
@@ -22,7 +22,9 @@ network:
   ipv4:
     gateway: 192.168.2.1
     address: 192.168.2.2/24
-  ipv6: null
+  ipv6:
+    gateway: null
+    address: fc00::2/64
   bypass:
     - 169.254.0.0/16
     - fc00::/7