From c18578632fd3c9e513e613a86ba2b7c4ebee6c45 Mon Sep 17 00:00:00 2001 From: Igor Pashev Date: Tue, 30 Sep 2014 18:22:48 +0400 Subject: Imported Upstream version 8.23 --- lib/secure_getenv.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 lib/secure_getenv.c (limited to 'lib/secure_getenv.c') diff --git a/lib/secure_getenv.c b/lib/secure_getenv.c new file mode 100644 index 00000000..32819e6d --- /dev/null +++ b/lib/secure_getenv.c @@ -0,0 +1,41 @@ +/* Look up an environment variable more securely. + + Copyright 2013-2014 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +#include + +#if !HAVE___SECURE_GETENV +# if HAVE_ISSETUGID +# include +# else +# undef issetugid +# define issetugid() 1 +# endif +#endif + +char * +secure_getenv (char const *name) +{ +#if HAVE___SECURE_GETENV + return __secure_getenv (name); +#else + if (issetugid ()) + return 0; + return getenv (name); +#endif +} -- cgit v1.2.3