Refine geteuid()

src/local.c

@@ -1445,7 +1445,7 @@ main(int argc, char **argv)
     }
 
 #ifndef __MINGW32__
-    if (getuid() == 0){
+    if (geteuid() == 0){
         LOGI("You are running this process as the root user!");
     }
 #endif

src/manager.c

@@ -850,7 +850,7 @@ main(int argc, char **argv)
     }
 
 #ifndef __MINGW32__
-    if (getuid() == 0){
+    if (geteuid() == 0){
         LOGI("You are running this process as the root user!");
     }
 #endif

src/redir.c

@@ -1025,7 +1025,7 @@ main(int argc, char **argv)
         FATAL("failed to switch user");
     }
 
-    if (getuid() == 0){
+    if (geteuid() == 0){
         LOGI("You are running this process as the root user!");
     }
 

src/server.c

@@ -1875,7 +1875,7 @@ main(int argc, char **argv)
     }
 
 #ifndef __MINGW32__
-    if (getuid() == 0){
+    if (geteuid() == 0){
         LOGI("You are running this process as the root user!");
     }
 #endif

src/tunnel.c

@@ -1033,7 +1033,7 @@ main(int argc, char **argv)
     }
 
 #ifndef __MINGW32__
-    if (getuid() == 0){
+    if (geteuid() == 0){
         LOGI("You are running this process as the root user!");
     }
 #endif