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/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* CredentialsTest.cpp
* Test the credentials functions.
* Copyright (C) 2012 Simon Newton
*/
#include <cppunit/extensions/HelperMacros.h>
#include "ola/base/Credentials.h"
#include "ola/Logging.h"
#include "ola/testing/TestUtils.h"
using ola::SupportsUIDs;
using ola::GetEGID;
using ola::GetEUID;
using ola::GetGID;
using ola::GetGroupGID;
using ola::GetGroupName;
using ola::GetPasswdName;
using ola::GetPasswdUID;
using ola::GetUID;
using ola::GroupEntry;
using ola::PasswdEntry;
using ola::SetGID;
using ola::SetUID;
class CredentialsTest: public CppUnit::TestFixture {
public:
CPPUNIT_TEST_SUITE(CredentialsTest);
CPPUNIT_TEST(testGetUIDs);
CPPUNIT_TEST(testGetGIDs);
CPPUNIT_TEST(testSetUID);
CPPUNIT_TEST(testSetGID);
CPPUNIT_TEST(testGetPasswd);
CPPUNIT_TEST(testGetGroup);
CPPUNIT_TEST_SUITE_END();
public:
void testGetUIDs();
void testGetGIDs();
void testSetUID();
void testSetGID();
void testGetPasswd();
void testGetGroup();
};
CPPUNIT_TEST_SUITE_REGISTRATION(CredentialsTest);
/**
* Check we're not running as root.
*/
void CredentialsTest::testGetUIDs() {
if (SupportsUIDs()) {
uid_t uid;
OLA_ASSERT_TRUE(GetUID(&uid));
OLA_ASSERT_TRUE_MSG(uid, "Don't run the tests as root!");
uid_t euid;
OLA_ASSERT_TRUE(GetEUID(&euid));
OLA_ASSERT_TRUE_MSG(euid, "Don't run the tests as suid root!");
} else {
// Make sure the Get*UID functions actually return false.
uid_t uid;
OLA_ASSERT_FALSE(GetUID(&uid));
uid_t euid;
OLA_ASSERT_FALSE(GetEUID(&euid));
}
}
/**
* Check we're not running as root.
*/
void CredentialsTest::testGetGIDs() {
if (SupportsUIDs()) {
gid_t gid;
OLA_ASSERT_TRUE(GetGID(&gid));
OLA_ASSERT_TRUE_MSG(gid, "Don't run the tests as root!");
gid_t egid;
OLA_ASSERT_TRUE(GetEGID(&egid));
OLA_ASSERT_TRUE_MSG(egid, "Don't run the tests as sgid root!");
} else {
// Make sure the Get*GID functions actually return false.
gid_t gid;
OLA_ASSERT_FALSE(GetGID(&gid));
gid_t egid;
OLA_ASSERT_FALSE(GetEGID(&egid));
}
}
/**
* Check SetUID as much as we can.
*/
void CredentialsTest::testSetUID() {
if (SupportsUIDs()) {
uid_t euid;
OLA_ASSERT_TRUE(GetEUID(&euid));
if (euid) {
OLA_ASSERT_TRUE(SetUID(euid));
OLA_ASSERT_FALSE(SetUID(0));
OLA_ASSERT_FALSE(SetUID(euid + 1));
}
}
}
/**
* Check SetGID as much as we can.
*/
void CredentialsTest::testSetGID() {
if (SupportsUIDs()) {
gid_t egid;
OLA_ASSERT_TRUE(GetEGID(&egid));
if (egid) {
OLA_ASSERT_TRUE(SetGID(egid));
OLA_ASSERT_FALSE(SetGID(0));
OLA_ASSERT_FALSE(SetGID(egid + 1));
}
}
}
/**
* Check the GetPasswd functions work.
*/
void CredentialsTest::testGetPasswd() {
if (SupportsUIDs()) {
uid_t uid;
OLA_ASSERT_TRUE(GetUID(&uid));
PasswdEntry passwd_entry;
OLA_ASSERT_TRUE(GetPasswdUID(uid, &passwd_entry));
// at the very least we should have a name
OLA_ASSERT_FALSE(passwd_entry.pw_name.empty());
OLA_ASSERT_EQ(uid, passwd_entry.pw_uid);
// now fetch by name and check it's the same
// this could fail. if the accounts were really messed up
PasswdEntry passwd_entry2;
OLA_ASSERT_TRUE(GetPasswdName(passwd_entry.pw_name, &passwd_entry2));
OLA_ASSERT_EQ(uid, passwd_entry2.pw_uid);
} else {
// Make sure GetPasswd* actually return false.
PasswdEntry unused;
OLA_ASSERT_FALSE(GetPasswdUID(0, &unused));
// Check with an account name that likely exists.
OLA_ASSERT_FALSE(GetPasswdName("SYSTEM", &unused));
}
}
/**
* Check the GetGroup functions work.
*/
void CredentialsTest::testGetGroup() {
if (SupportsUIDs()) {
gid_t gid;
OLA_ASSERT_TRUE(GetGID(&gid));
GroupEntry group_entry;
// not all systems will be configured with a group entry so this isn't a
// failure.
bool ok = GetGroupGID(gid, &group_entry);
if (ok) {
// at the very least we should have a name
OLA_ASSERT_FALSE(group_entry.gr_name.empty());
OLA_ASSERT_EQ(gid, group_entry.gr_gid);
// now fetch by name and check it's the same
// this could fail. if the accounts were really messed up
GroupEntry group_entry2;
OLA_ASSERT_TRUE(GetGroupName(group_entry.gr_name, &group_entry2));
OLA_ASSERT_EQ(gid, group_entry2.gr_gid);
}
} else {
// Make sure GetPasswd* actually return false.
GroupEntry unused;
OLA_ASSERT_FALSE(GetGroupGID(0, &unused));
// Check with a group name that might exist.
OLA_ASSERT_FALSE(GetGroupName("SYSTEM", &unused));
}
}
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