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716154c592
Updated AUTHORS, COPYING, DISCLAIMER, and INSTALL files. Added standardized headers to all source file to clearly indicate the copyright, license, and to give credit where credit is due.
250 lines
7.2 KiB
C
250 lines
7.2 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://github.com/behlendorf/spl/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*****************************************************************************
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* Solaris Porting LAyer Tests (SPLAT) Credential Tests.
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\*****************************************************************************/
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#include "splat-internal.h"
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#define SPLAT_CRED_NAME "cred"
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#define SPLAT_CRED_DESC "Kernel Cred Tests"
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#define SPLAT_CRED_TEST1_ID 0x0e01
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#define SPLAT_CRED_TEST1_NAME "cred"
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#define SPLAT_CRED_TEST1_DESC "Task Credential Test"
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#define SPLAT_CRED_TEST2_ID 0x0e02
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#define SPLAT_CRED_TEST2_NAME "kcred"
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#define SPLAT_CRED_TEST2_DESC "Kernel Credential Test"
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#define SPLAT_CRED_TEST3_ID 0x0e03
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#define SPLAT_CRED_TEST3_NAME "groupmember"
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#define SPLAT_CRED_TEST3_DESC "Group Member Test"
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#define GROUP_STR_SIZE 128
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#define GROUP_STR_REDZONE 16
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static int
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splat_cred_test1(struct file *file, void *arg)
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{
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char str[GROUP_STR_SIZE];
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uid_t uid, ruid, suid;
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gid_t gid, rgid, sgid, *groups;
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int ngroups, i, count = 0;
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uid = crgetuid(CRED());
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ruid = crgetruid(CRED());
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suid = crgetsuid(CRED());
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gid = crgetgid(CRED());
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rgid = crgetrgid(CRED());
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sgid = crgetsgid(CRED());
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crhold(CRED());
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ngroups = crgetngroups(CRED());
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groups = crgetgroups(CRED());
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memset(str, 0, GROUP_STR_SIZE);
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for (i = 0; i < ngroups; i++) {
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count += sprintf(str + count, "%d ", groups[i]);
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if (count > (GROUP_STR_SIZE - GROUP_STR_REDZONE)) {
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"Failed too many group entries for temp "
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"buffer: %d, %s\n", ngroups, str);
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return -ENOSPC;
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}
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}
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crfree(CRED());
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"uid: %d ruid: %d suid: %d "
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"gid: %d rgid: %d sgid: %d\n",
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uid, ruid, suid, gid, rgid, sgid);
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"ngroups: %d groups: %s\n", ngroups, str);
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if (uid || ruid || suid || gid || rgid || sgid) {
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"Failed expected all uids+gids to be %d\n", 0);
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return -EIDRM;
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}
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if (ngroups > NGROUPS_MAX) {
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"Failed ngroups must not exceed NGROUPS_MAX: "
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"%d > %d\n", ngroups, NGROUPS_MAX);
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return -EIDRM;
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}
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splat_vprint(file, SPLAT_CRED_TEST1_NAME,
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"Success sane CRED(): %d\n", 0);
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return 0;
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} /* splat_cred_test1() */
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static int
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splat_cred_test2(struct file *file, void *arg)
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{
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char str[GROUP_STR_SIZE];
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uid_t uid, ruid, suid;
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gid_t gid, rgid, sgid, *groups;
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int ngroups, i, count = 0;
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uid = crgetuid(kcred);
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ruid = crgetruid(kcred);
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suid = crgetsuid(kcred);
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gid = crgetgid(kcred);
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rgid = crgetrgid(kcred);
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sgid = crgetsgid(kcred);
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crhold(kcred);
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ngroups = crgetngroups(kcred);
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groups = crgetgroups(kcred);
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memset(str, 0, GROUP_STR_SIZE);
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for (i = 0; i < ngroups; i++) {
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count += sprintf(str + count, "%d ", groups[i]);
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if (count > (GROUP_STR_SIZE - GROUP_STR_REDZONE)) {
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"Failed too many group entries for temp "
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"buffer: %d, %s\n", ngroups, str);
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return -ENOSPC;
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}
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}
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crfree(kcred);
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"uid: %d ruid: %d suid: %d "
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"gid: %d rgid: %d sgid: %d\n",
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uid, ruid, suid, gid, rgid, sgid);
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"ngroups: %d groups: %s\n", ngroups, str);
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if (uid || ruid || suid || gid || rgid || sgid) {
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"Failed expected all uids+gids to be %d\n", 0);
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return -EIDRM;
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}
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if (ngroups > NGROUPS_MAX) {
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"Failed ngroups must not exceed NGROUPS_MAX: "
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"%d > %d\n", ngroups, NGROUPS_MAX);
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return -EIDRM;
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}
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splat_vprint(file, SPLAT_CRED_TEST2_NAME,
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"Success sane kcred: %d\n", 0);
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return 0;
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} /* splat_cred_test2() */
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/*
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* On most/all systems it can be expected that a task with root
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* permissions also is a member of the root group, Since the
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* test suite is always run as root we check first that CRED() is
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* a member of the root group, and secondly that it is not a member
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* of our fake group. This test will break is someone happens to
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* create group number NGROUPS_MAX-1 and then added root to it.
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*/
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static int
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splat_cred_test3(struct file *file, void *arg)
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{
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gid_t root_gid, fake_gid;
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int rc;
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root_gid = 0;
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fake_gid = NGROUPS_MAX-1;
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rc = groupmember(root_gid, CRED());
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if (!rc) {
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splat_vprint(file, SPLAT_CRED_TEST3_NAME,
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"Failed root git %d expected to be member "
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"of CRED() groups: %d\n", root_gid, rc);
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return -EIDRM;
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}
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rc = groupmember(fake_gid, CRED());
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if (rc) {
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splat_vprint(file, SPLAT_CRED_TEST3_NAME,
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"Failed fake git %d expected not to be member "
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"of CRED() groups: %d\n", fake_gid, rc);
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return -EIDRM;
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}
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splat_vprint(file, SPLAT_CRED_TEST3_NAME, "Success root gid "
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"is a member of the expected groups: %d\n", rc);
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return rc;
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} /* splat_cred_test3() */
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splat_subsystem_t *
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splat_cred_init(void)
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{
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splat_subsystem_t *sub;
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sub = kmalloc(sizeof(*sub), GFP_KERNEL);
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if (sub == NULL)
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return NULL;
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memset(sub, 0, sizeof(*sub));
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strncpy(sub->desc.name, SPLAT_CRED_NAME, SPLAT_NAME_SIZE);
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strncpy(sub->desc.desc, SPLAT_CRED_DESC, SPLAT_DESC_SIZE);
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INIT_LIST_HEAD(&sub->subsystem_list);
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INIT_LIST_HEAD(&sub->test_list);
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spin_lock_init(&sub->test_lock);
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sub->desc.id = SPLAT_SUBSYSTEM_CRED;
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SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST1_NAME, SPLAT_CRED_TEST1_DESC,
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SPLAT_CRED_TEST1_ID, splat_cred_test1);
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SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST2_NAME, SPLAT_CRED_TEST2_DESC,
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SPLAT_CRED_TEST2_ID, splat_cred_test2);
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SPLAT_TEST_INIT(sub, SPLAT_CRED_TEST3_NAME, SPLAT_CRED_TEST3_DESC,
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SPLAT_CRED_TEST3_ID, splat_cred_test3);
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return sub;
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} /* splat_cred_init() */
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void
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splat_cred_fini(splat_subsystem_t *sub)
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{
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ASSERT(sub);
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SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST3_ID);
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SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST2_ID);
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SPLAT_TEST_FINI(sub, SPLAT_CRED_TEST1_ID);
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kfree(sub);
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} /* splat_cred_fini() */
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int
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splat_cred_id(void)
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{
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return SPLAT_SUBSYSTEM_CRED;
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} /* splat_cred_id() */
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