diff options
Diffstat (limited to 'tools/regression/priv/priv_proc_setlogin.c')
-rw-r--r-- | tools/regression/priv/priv_proc_setlogin.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_proc_setlogin.c b/tools/regression/priv/priv_proc_setlogin.c new file mode 100644 index 0000000..6f5e756 --- /dev/null +++ b/tools/regression/priv/priv_proc_setlogin.c @@ -0,0 +1,73 @@ +/*- + * Copyright (c) 2006 nCircle Network Security, Inc. + * All rights reserved. + * + * This software was developed by Robert N. M. Watson for the TrustedBSD + * Project under contract to nCircle Network Security, Inc. + * + * 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. + * 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 AND CONTRIBUTORS ``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, NCIRCLE NETWORK SECURITY, + * INC., OR CONTRIBUTORS 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. + * + * $FreeBSD$ + */ + +/* + * Test that privilege is required to call setlogin(). Do so by first + * querying with getlogin(), then setting the result back using setlogin(), + * at first with privilege, then without. + */ + +#include <err.h> +#include <errno.h> +#include <unistd.h> + +#include "main.h" + +void +priv_proc_setlogin(void) +{ + char *loginname; + int error; + + assert_root(); + + loginname = getlogin(); + if (loginname == NULL) + err(-1, "getlogin"); + + /* + * First, with privilege. + */ + error = setlogin(loginname); + if (error) + err(-1, "setlogin(%s) as root", loginname); + + /* + * Then again, without privilege. + */ + set_euid(UID_OTHER); + + error = setlogin(loginname); + if (error == 0) + errx(-1, "setlogin(%s) succeeded as !root", loginname); + if (errno != EPERM) + err(-1, "setlogin(%s) wrong errno %d", loginname, errno); +} |