From ceef0d701a97af9bee45d7d89eb71b5529b8f71a Mon Sep 17 00:00:00 2001
From: Evgeny <me@jeka.su>
Date: Wed, 22 Apr 2026 12:42:52 +0300
Subject: [PATCH] Suppress route command output to console

---
 src/tun_route.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/tun_route.c b/src/tun_route.c
index 61dd4bf8..52989f06 100644
--- a/src/tun_route.c
+++ b/src/tun_route.c
@@ -162,7 +162,7 @@ static int ip_route_cmd(const char *ifname, uint32_t network, uint8_t prefix_len
     addr.s_addr = network;
 
     char cmdline[256];
-    snprintf(cmdline, sizeof(cmdline), "ip route %s %s/%d dev %s 2>/dev/null",
+    snprintf(cmdline, sizeof(cmdline), "ip route %s %s/%d dev %s >/dev/null 2>&1",
              cmd, ip_to_str(&addr, AF_INET).str, prefix_len, ifname);
     
     int ret = system(cmdline);
@@ -210,15 +210,15 @@ int tun_route_del(uint32_t ifindex, const char *ifname, uint32_t network, uint8_
 int tun_route_flush(const char *ifname) {
     // Use ip route flush as primary method - works reliably
     char cmdline[256];
-    snprintf(cmdline, sizeof(cmdline), "ip route flush dev %s 2>/dev/null", ifname);
+    snprintf(cmdline, sizeof(cmdline), "ip route flush dev %s >/dev/null 2>&1", ifname);
     int ret = system(cmdline);
     
     if (ret != 0) {
         // Fallback: try to list and delete routes one by one
         DEBUG_WARN(DEBUG_CATEGORY_TUN, "ip route flush failed, trying alternative method");
-        snprintf(cmdline, sizeof(cmdline), 
-                 "ip route show dev %s 2>/dev/null | while read r; do ip route del $r dev %s 2>/dev/null; done",
-                 ifname, ifname);
+snprintf(cmdline, sizeof(cmdline), 
+             "ip route show dev %s 2>/dev/null | while read r; do ip route del $r dev %s >/dev/null 2>&1; done",
+             ifname, ifname);
         ret = system(cmdline);
     }
     
@@ -457,7 +457,7 @@ static int route_cmd(const char *ifname, uint32_t network, uint8_t prefix_len, c
     addr.s_addr = htonl(network);
 
     char cmdline[256];
-    snprintf(cmdline, sizeof(cmdline), "route %s -net %s/%d -interface %s 2>/dev/null",
+    snprintf(cmdline, sizeof(cmdline), "route %s -net %s/%d -interface %s >/dev/null 2>&1",
              cmd, ip_to_str(&addr, AF_INET).str, prefix_len, ifname);
     
     int ret = system(cmdline);
@@ -503,7 +503,7 @@ int tun_route_flush(const char *ifname) {
     char cmdline[256];
     snprintf(cmdline, sizeof(cmdline), 
              "route -n show -interface %s 2>/dev/null | grep -v '^[[:space:]]*#' | "
-             "awk '/^[0-9]+\\./{print $1}' | while read r; do route delete -net $r 2>/dev/null; done",
+             "awk '/^[0-9]+\\./{print $1}' | while read r; do route delete -net $r >/dev/null 2>&1; done",
              ifname);
     int ret = system(cmdline);