- (dtucker) [uidswap.c] Don't test dropping of gids for the root user or

on Cygwin.  Cygwin parts from vinschen at redhat com; ok djm@

ChangeLog

@@ -1,3 +1,7 @@
+20041019
+ - (dtucker) [uidswap.c] Don't test dropping of gids for the root user or
+   on Cygwin.  Cygwin parts from vinschen at redhat com; ok djm@
+
 20041016
  - (djm) [auth-pam.c] snprintf->strl*, fix server message length calculations;
    ok dtucker@
@@ -1767,4 +1771,4 @@
    - (djm) Trim deprecated options from INSTALL. Mention UsePAM
    - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
 
-$Id: ChangeLog,v 1.3560 2004/10/16 08:53:28 djm Exp $
+$Id: ChangeLog,v 1.3561 2004/10/19 06:33:33 dtucker Exp $

uidswap.c

@@ -200,10 +200,12 @@ permanently_set_uid(struct passwd *pw)
 		fatal("setuid %u: %.100s", (u_int)pw->pw_uid, strerror(errno));
 #endif
 
+#ifndef HAVE_CYGWIN
 	/* Try restoration of GID if changed (test clearing of saved gid) */
-	if (old_gid != pw->pw_gid &&
+	if (old_gid != pw->pw_gid && pw->pw_uid != 0 &&
 	    (setgid(old_gid) != -1 || setegid(old_gid) != -1))
 		fatal("%s: was able to restore old [e]gid", __func__);
+#endif
 
 	/* Verify GID drop was successful */
 	if (getgid() != pw->pw_gid || getegid() != pw->pw_gid) {