diff --git a/lib/roken/setegid.c b/lib/roken/setegid.c
new file mode 100644
index 000000000..4aaf44922
--- /dev/null
+++ b/lib/roken/setegid.c
@@ -0,0 +1,16 @@
+#include <config.h>
+
+RCSID("$Id$");
+
+int setegid(int egid)
+{
+#ifdef HAVE_SETREGID
+    return setregid(-1, egid);
+#endif
+
+#ifdef HAVE_SETRESGID
+    return setresgid(-1, egid, -1);
+#endif
+
+    return -1
+}
diff --git a/lib/roken/seteuid.c b/lib/roken/seteuid.c
new file mode 100644
index 000000000..39611da1c
--- /dev/null
+++ b/lib/roken/seteuid.c
@@ -0,0 +1,16 @@
+#include <config.h>
+
+RCSID("$Id$");
+
+int seteuid(int euid)
+{
+#ifdef HAVE_SETREUID
+    return setreuid(-1, euid);
+#endif
+
+#ifdef HAVE_SETRESUID
+    return setresuid(-1, euid, -1);
+#endif
+
+    return -1
+}