From d03f0d411740aebd5b27e5a1ac57d8533843ff6b Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Thu, 7 Dec 2006 18:51:11 +0000
Subject: * Check for lchown.

---
 src/nix-setuid-helper/main.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/nix-setuid-helper')

diff --git a/src/nix-setuid-helper/main.cc b/src/nix-setuid-helper/main.cc
index 26cdc73b7911..168cff40a3f6 100644
--- a/src/nix-setuid-helper/main.cc
+++ b/src/nix-setuid-helper/main.cc
@@ -10,6 +10,7 @@
 #include <iostream>
 #include <vector>
 
+#include "config.h"
 #include "util.hh"
 
 using namespace nix;
@@ -46,8 +47,14 @@ static void secureChown(uid_t uidFrom, gid_t gidFrom,
 
     assert(uidTo != 0 && gidTo != 0);
 
+#if HAVE_LCHOWN
     if (lchown(path.c_str(), uidTo, gidTo) == -1)
         throw Error(error);
+#else
+    if (!S_ISLNK(st.st_mode) &&
+        chown(path.c_str(), uidTo, gidTo) == -1)
+        throw Error(error);
+#endif
 
     if (S_ISDIR(st.st_mode)) {
         Strings names = readDirectory(path);
-- 
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