X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fuserspec.c;h=388f72332a1c4cef4a474431dd9e2187ec15c695;hb=969fe755730d23ba7ff21ae7511f66067d0a94d8;hp=fa2f26fa097286d941ec11d66c9fda72309abebd;hpb=42956c5d101d677aa660e1cdd5df3d8ab1a1d348;p=gnulib.git

diff --git a/lib/userspec.c b/lib/userspec.c
index fa2f26fa0..388f72332 100644
--- a/lib/userspec.c
+++ b/lib/userspec.c
@@ -1,5 +1,5 @@
 /* userspec.c -- Parse a user and group string.
-   Copyright (C) 1989-1992, 1997-1998, 2000, 2002-2009 Free Software
+   Copyright (C) 1989-1992, 1997-1998, 2000, 2002-2010 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -169,7 +169,7 @@ parse_with_separator (char const *spec, char const *separator,
             {
               unsigned long int tmp;
               if (xstrtoul (u, NULL, 10, &tmp, "") == LONGINT_OK
-                  && tmp <= MAXUID)
+                  && tmp <= MAXUID && (uid_t) tmp != (uid_t) -1)
                 unum = tmp;
               else
                 error_msg = E_invalid_user;
@@ -200,7 +200,8 @@ parse_with_separator (char const *spec, char const *separator,
       if (grp == NULL)
         {
           unsigned long int tmp;
-          if (xstrtoul (g, NULL, 10, &tmp, "") == LONGINT_OK && tmp <= MAXGID)
+          if (xstrtoul (g, NULL, 10, &tmp, "") == LONGINT_OK
+              && tmp <= MAXGID && (gid_t) tmp != (gid_t) -1)
             gnum = tmp;
           else
             error_msg = E_invalid_group;