1 files changed, 0 insertions, 121 deletions
diff --git a/lib/libutil/clean_environment.c b/lib/libutil/clean_environment.c
deleted file mode 100644
index 068e412365f4..000000000000
--- a/lib/libutil/clean_environment.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*-
- * Copyright (c) 2004 Tim Kientzle
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer
- *    in this position and unchanged.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <string.h>
-#include "libutil.h"
-
-static int	env_var_in_list(const char * const *list, char *var, size_t len);
-
-
-/*
- * Default whitelist of "known safe" environment variables.
- */
-static const char *default_whitelist[] = {
-	/* List from SUS "Environment Variables" Appendix */
-	"ARFLAGS", "CC", "CDPATH", "CFLAGS", "CHARSET", "COLUMNS",
-	"DATEMSK", "DEAD", "EDITOR", "ENV", "EXINIT", "FC", "FCEDIT",
-	"FFLAGS", "GET", "GFLAGS", "HISTFILE", "HISTORY", "HISTSIZE",
-	"HOME", "IFS", "LANG", "LC_ALL", "LC_COLLATE", "LC_CTYPE",
-	"LC_MESSAGES", "LC_MONETARY", "LC_NUMERIC", "LC_TIME", "LDFLAGS",
-	"LEX", "LFLAGS", "LINENO", "LINES", "LISTER", "LOGNAME", "LPDEST",
-	"MAIL", "MAILCHECK", "MAILER", "MAILPATH", "MAILRC", "MAKEFLAGS",
-	"MAKESHELL", "MANPATH", "MBOX", "MORE", "MSGVERB", "NLSPATH",
-	"NPROC", "OLDPWD", "OPTARG", "OPTERR", "OPTIND", "PAGER", "PATH",
-	"PPID", "PRINTER", "PROCLANG", "PROJECTDIR", "PS1", "PS2", "PS3",
-	"PS4", "PWD", "RANDOM", "SECONDS", "SHELL", "TERM", "TERMCAP",
-	"TERMINFO", "TMPDIR", "TZ", "USER", "VISUAL", "YACC", "YFLAGS",
-
-	/* Additional Environment Variables */
-	"KRB5CCNAME", "LOGIN", "MAILDIR", "SSH_AGENT_PID", "SSH_AUTH_SOCK",
-
-	/* Terminating NULL */
-	NULL
-};
-
-static int
-env_var_in_list(const char * const *list, char *var, size_t len)
-{
-	if (list == NULL)
-		return (0);
-
-	while (*list != NULL) {
-		if (strncmp(var, *list, len) == 0 &&
-		    len == strlen(*list))
-			return (1);
-		list++;
-	}
-	return (0);
-}
-
-
-/*
- * Scrub the environment by applying a "whitelist" of safe variables
- * and a "blacklist" of known dangerous variables.   Each environment
- * variable is examined and is retained only if it appears in a whitelist
- * and does not appear in the blacklist.
- *
- * If the first argument is NULL, a built-in whitelist will be used.
- * The second and third arguments allow clients to adjust the built-in
- * whitelist without having to replicate it.
- *
- */
-void
-clean_environment(const char * const *whitelist,
-    const char * const *extra_whitelist)
-{
-	extern char **environ;
-	char *p, **new, **old;
-	int len;
-	int safe;
-
-	old = environ;
-	new = environ;
-
-	if (whitelist == NULL)
-		whitelist = default_whitelist;
-
-	while (*old != NULL) {
-		safe = 0;
-		p = strchr(*old, '=');
-		if (p != NULL)
-			len = p - *old;
-		else
-			len = strlen(*old);
-
-		if (env_var_in_list(whitelist, *old, len) ||
-		    env_var_in_list(extra_whitelist, *old, len))
-			*new++ = *old;
-
-		old++;
-	}
-	while (*new != NULL)
-		*new++ = NULL;
-
-}