diff options
Diffstat (limited to 'tools/regression/priv/priv_acct.c')
| -rw-r--r-- | tools/regression/priv/priv_acct.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tools/regression/priv/priv_acct.c b/tools/regression/priv/priv_acct.c new file mode 100644 index 0000000..bc4a41e7 --- /dev/null +++ b/tools/regression/priv/priv_acct.c @@ -0,0 +1,178 @@ +/*- + * 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 configuring accounting requires privilege. First check that + * accounting is not in use on the system to prevent disrupting the + * accounting service. Confirm three different state transitions, both as + * privileged and non-privileged: disabled to enabled, rotate, and enabled to + * disabled. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/sysctl.h> + +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <unistd.h> + +#include "main.h" + +#define SYSCTL_NAME "kern.acct_configured" +#define PATH_TEMPLATE "/tmp/acct.XXXXXXXXXXX" + +void +priv_acct(void) +{ + char fpath1[1024] = PATH_TEMPLATE; + char fpath2[1024] = PATH_TEMPLATE; + int error, fd, i; + size_t len; + + assert_root(); + + /* + * Check that accounting isn't already configured in the kernel. + */ + len = sizeof(i); + if (sysctlbyname(SYSCTL_NAME, &i, &len, NULL, 0) < 0) + err(-1, "sysctlbyname(%s)", SYSCTL_NAME); + if (i != 0) + errx(-1, "sysctlbyname(%s) indicates accounting configured", + SYSCTL_NAME); + + /* + * Create two temporary files to use as accounting targets. + */ + fd = mkstemp(fpath1); + if (fd < 0) + err(-1, "mkstemp"); + close(fd); + fd = mkstemp(fpath2); + if (fd < 0) { + warn("mkstemp"); + (void)unlink(fpath1); + exit(-1); + } + + /* + * Change the permissions on the file so that access control on the + * file doesn't come into play. + */ + if (chmod(fpath1, 0666) < 0) { + warn("chmod(%s, 0666)", fpath1); + goto out; + } + + if (chmod(fpath2, 0666) < 0) { + warn("chmod(%s, 0600)", fpath2); + goto out; + } + + /* + * Test that privileged can move through entire life cycle. + */ + if (acct(fpath1) < 0) { + warn("acct(NULL -> %s) as root", fpath1); + goto out; + } + + if (acct(fpath2) < 0) { + warn("acct(%s -> %s) as root", fpath1, fpath2); + goto out; + } + + if (acct(NULL) < 0) { + warn("acct(%s -> NULL) as root", fpath1); + goto out; + } + + /* + * Testing for unprivileged is a bit more tricky, as expect each step + * to fail, so must replay various bits of the setup process as root + * so that each step can be tested as !root. + */ + set_euid(UID_OTHER); + error = acct(fpath1); + if (error == 0) { + warnx("acct(NULL -> %s) succeeded as !root", fpath1); + goto out; + } + if (errno != EPERM) { + warn("acct(NULL -> %s) wrong errno %d as !root", fpath1, + errno); + goto out; + } + + set_euid(UID_ROOT); + if (acct(fpath1) < 0) { + err(-1, "acct(NULL -> %s) setup for !root", fpath1); + goto out; + } + + set_euid(UID_OTHER); + error = acct(fpath2); + if (error == 0) { + warnx("acct(%s -> %s) succeeded as !root", fpath1, fpath2); + goto out; + } + if (errno != EPERM) { + warn("acct(%s -> %s) wrong errno %d as !root", fpath1, + fpath2, errno); + goto out; + } + + set_euid(UID_ROOT); + if (acct(fpath2) < 0) { + err(-1, "acct(%s -> %s) setup for !root", fpath1, fpath2); + goto out; + } + + set_euid(UID_OTHER); + error = acct(NULL); + if (error == 0) { + warnx("acct(%s -> NULL) succeeded as !root", fpath2); + goto out; + } + if (errno != EPERM) { + warn("acct(%s -> NULL) wrong errno %d as !root", fpath2, + errno); + goto out; + } + +out: + (void)seteuid(UID_ROOT); + (void)acct(NULL); + (void)unlink(fpath1); + (void)unlink(fpath2); +} |
