From a848231ae0f346dc7cc000973fbeb65b0894ee92 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:59:03 +0200 Subject: Adding upstream version 3.8.5. Signed-off-by: Daniel Baumann --- src/util/safe_getenv.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/util/safe_getenv.c (limited to 'src/util/safe_getenv.c') diff --git a/src/util/safe_getenv.c b/src/util/safe_getenv.c new file mode 100644 index 0000000..04ca659 --- /dev/null +++ b/src/util/safe_getenv.c @@ -0,0 +1,41 @@ +/*++ +/* NAME +/* safe_getenv 3 +/* SUMMARY +/* guarded getenv() +/* SYNOPSIS +/* #include +/* +/* char *safe_getenv(const name) +/* char *name; +/* DESCRIPTION +/* The \fBsafe_getenv\fR() routine reads the named variable from the +/* environment, provided that the unsafe() routine agrees. +/* SEE ALSO +/* unsafe(3), detect non-user privileges +/* LICENSE +/* .ad +/* .fi +/* The Secure Mailer license must be distributed with this software. +/* AUTHOR(S) +/* Wietse Venema +/* IBM T.J. Watson Research +/* P.O. Box 704 +/* Yorktown Heights, NY 10598, USA +/*--*/ + +/* System library. */ + +#include +#include + +/* Utility library. */ + +#include "safe.h" + +/* safe_getenv - read environment variable with guard */ + +char *safe_getenv(const char *name) +{ + return (unsafe() == 0 ? getenv(name) : 0); +} -- cgit v1.2.3