1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
// Copyright (C) 2017-2022 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Kea Hooks Basic
// Commercial End User License Agreement v2.0. See COPYING file in the premium/
// directory.

/// @file This file contains tests which exercise the load and unload
/// functions in the flexible identifier hook library. In order to test the load
/// function, one must be able to pass it hook library parameters. The
/// the only way to populate these parameters is by actually loading the
/// library via HooksManager::loadLibraries().

#include <config.h>

#include <cc/data.h>
#include <dhcpsrv/cfgmgr.h>
#include <exceptions/exceptions.h>
#include <hooks/hooks_manager.h>
#include <process/daemon.h>
#include <testutils/lib_load_test_fixture.h>
#include <gtest/gtest.h><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <errno.h><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.

using namespace std;
using namespace isc;
using namespace hooks;
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::process;

namespace {

/// @brief Test fixture for testing loading and unloading the flex-id library
class FlexIdLibLoadTest : public ::test::LibLoadTest {
public:
    /// @brief Constructor
    FlexIdLibLoadTest() : LibLoadTest(LIB_SO) {
    }

    /// @brief Destructor
    /// Removes files that may be left over from previous tests
    virtual ~FlexIdLibLoadTest() {
    }

    /// @brief Creates valid configuration.
    virtual ElementPtr validConfigParams() {
        ElementPtr params = data::Element::createMap();
        params->set("identifier-expression", Element::create("option[100].hex"));
        params->set("replace-client-id", Element::create(true));
        return (params);
    }
};

// Simple test that checks the library can be loaded and unloaded several times.
TEST_F(FlexIdLibLoadTest, validLoad) {<--- syntax error
    validDaemonTest("kea-dhcp4", AF_INET, valid_params_);
    validDaemonTest("kea-dhcp6", AF_INET6, valid_params_);
}

// Simple test that checks the library cannot by loaded by invalid daemons.
TEST_F(FlexIdLibLoadTest, invalidDaemonLoad) {
    // V4 is invalid when family is AF_INET6.
    invalidDaemonTest("kea-dhcp4", AF_INET6, valid_params_);

    // V6 is invalid when family is AF_INET.
    invalidDaemonTest("kea-dhcp6", AF_INET, valid_params_);

    invalidDaemonTest("kea-ctrl-agent", AF_INET, valid_params_);
    invalidDaemonTest("kea-dhcp-ddns", AF_INET, valid_params_);
    invalidDaemonTest("bogus", AF_INET, valid_params_);
}

// Simple test that checks the library fails to load on bad expressions.
TEST_F(FlexIdLibLoadTest, badExpression) {
    // Prepare parameters for the callout parameters library.
    ElementPtr params = Element::createMap();
    params->set("replace-client-id", Element::create(true));
    invalidDaemonTest("kea-dhcp4", AF_INET, params);

    // Empty expression.
    params->set("identifier-expression", Element::create(string("")));
    // Warning (vs error)
    validDaemonTest("kea-dhcp4", AF_INET, params);

    // Bad expression.
    params->set("identifier-expression", Element::create("foobar"));
    invalidDaemonTest("kea-dhcp4", AF_INET, params);

    // Not a string expression.
    params->set("identifier-expression", Element::create("'foo' = 'bar'"));
    invalidDaemonTest("kea-dhcp4", AF_INET, params);

    // IPv6 expression in IPv4 context.
    params->set("identifier-expression", Element::create("relay6[0].linkaddr"));
    invalidDaemonTest("kea-dhcp4", AF_INET, params);

    // IPv4 expression in IPv6 context.
    params->set("identifier-expression", Element::create("pkt4.yiaddr"));
    invalidDaemonTest("kea-dhcp6", AF_INET6, params);
}

// Simple test that checks the library fails to load on bad ignore-iaid.
TEST_F(FlexIdLibLoadTest, badIgnoreIAID) {
    // Prepare parameters for the callout parameters library.
    ElementPtr params = Element::createMap();

    // Bad expression ignored in v4.
    params->set("ignore-iaid", Element::create("foobar"));
    validDaemonTest("kea-dhcp4", AF_INET, params);

    // Bad expression not ignored in v6.
    invalidDaemonTest("kea-dhcp6", AF_INET6, params);

    // IPv6 ignore-iaid in IPv6 context.
    params->set("ignore-iaid", Element::create(true));
    validDaemonTest("kea-dhcp6", AF_INET6, params);
}

} // end of anonymous namespace