Module/Rule.Service/Convert/Methods.ps1

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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
#region Method Functions
<#
    .SYNOPSIS
        Parses Check-Content element to retrieve the Service Name.
#>

function Get-ServiceName
{
    [CmdletBinding()]
    [OutputType([string])]
    param
    (
        [Parameter( Mandatory = $true )]
        [string[]]
        $CheckContent
    )

    Write-Verbose "[$($MyInvocation.MyCommand.Name)]"

    if ( $checkContent -match $regularExpression.McAfee)
    {
        $serviceName = 'masvc'
    }
    elseif ($checkContent -match $regularExpression.SmartCardRemovalPolicy)
    {
        $serviceName = 'SCPolicySvc'
    }
    elseif ($checkContent -match $regularExpression.SecondaryLogon)
    {
        $serviceName = 'seclogon'
    }
    elseif ($checkContent -match $regularExpression.followingservices)
    {
        $regexMatch = $checkContent | Select-String '-'
        $svcArray = @()
        foreach ($match in $regexMatch)
        {
            $svc = $match -replace '-', ''
            if ( $svc.Contains('(') )
            {
                $svc = $svc.ToString().Substring(0, $svc.IndexOf('(') - 1)
            }
            if ( $servicesDisplayNameToName.Contains( $svc.Trim() ) )
            {
                $svc = $servicesDisplayNameToName.$( $svc.Trim() )
            }
            $svcArray += $svc.Trim()
        }
        $serviceName = $svcArray -join ','
    }
    else
    {
        $regexMatch = $checkContent | Select-String ([RegularExpression]::TextBetweenParentheses)

        if ( -not [string]::IsNullOrEmpty( $regexMatch ) )
        {
            $serviceName = $regexMatch.matches.groups[-1].Value
        }
    }
    <#
       There is an edge case with the rule concerning the FTP Service. All service rules have the service names inside of parentheses
       (ex. (servicename)), however the rule pertaining to the FTP service presents this scenario: (Service name: FTPSVC)
    #>

    if ( $serviceName -match 'Service name: FTPSVC' )
    {
        $serviceName = ( $serviceName -split ':' )[-1]
    }

    if ( -not [string]::IsNullOrEmpty( $serviceName ) )
    {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Found service name : $serviceName"

        $serviceName = $serviceName.Trim()

        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Trimmed service name : $serviceName"
    }
    else
    {
        Write-Verbose "[$($MyInvocation.MyCommand.Name)] Found service name : $false"
        return
    }

    if ( $servicesDisplayNameToName.Contains( $serviceName ) )
    {
        $serviceName = $servicesDisplayNameToName.$serviceName
    }

    return $serviceName
}

<#
    .SYNOPSIS
        Parses Check-Content element to retrieve the Service State.
#>

function Get-ServiceState
{
    [CmdletBinding()]
    [OutputType([string])]
    param
    (
        [Parameter( Mandatory = $true )]
        [psobject]
        $CheckContent
    )

    Write-Verbose "[$($MyInvocation.MyCommand.Name)]"

    $serviceName = Get-ServiceName -CheckContent $checkContent

    # ServiceState McAfee and Smartcard is running everything else is stopped
    if ($serviceName -match 'masvc' -or $serviceName -eq 'SCPolicySvc')
    {
        return 'Running'
    }
    elseif ($checkContent -match 'is installed and not disabled, this is a finding')
    {
        return 'Stopped'
    }
    elseif ($checkContent -match 'is not set to Automatic, this is a finding' -or
             $checkContent -match 'is not Automatic, this is a finding')
    {
        return 'Running'
    }
    else
    {
        return 'Stopped'
    }
}

<#
    .SYNOPSIS
        Parses Check-Content element to retrieve the Service Startup Type.
#>

function Get-ServiceStartupType
{
    [CmdletBinding()]
    [OutputType([string])]
    param
    (
        [Parameter( Mandatory = $true )]
        [psobject]
        $CheckContent
    )

    Write-Verbose "[$($MyInvocation.MyCommand.Name)]"

    $serviceName = Get-ServiceName -CheckContent $checkContent

    # StartupType McAfee and Smartcard is Automatic everything else is disabled
    if ($serviceName -match 'masvc' -or $serviceName -eq 'SCPolicySvc')
    {
        return 'Automatic'
    }
    elseif ($checkContent -match 'is installed and not disabled, this is a finding')
    {
        return 'Disabled'
    }
    elseif ($checkContent -match 'is not set to Automatic, this is a finding' -or
        $checkContent -match 'is not Automatic, this is a finding')
    {
        return 'Automatic'
    }
    else
    {
        return 'Disabled'
    }
}
<#
    .SYNOPSIS
        Check if the string (ServiceName) contains a comma. This was added to enable testing of
        the methods used to determine how the test is accomplished.
#>

function Test-MultipleServiceRule
{
    [CmdletBinding()]
    [OutputType([bool])]
    param
    (
        [Parameter(Mandatory = $true)]
        [AllowEmptyString()]
        [string]
        $ServiceName
    )

    if ( $ServiceName -match ',')
    {
        return $true
    }
    return $false
}
<#
    .SYNOPSIS
        Check if the string (ServiceName) contains Multiple Service names then Splits them. This was added to enable testing of
        the methods used to determine how the test is accomplished.
#>

function Split-MultipleServiceRule
{
    [CmdletBinding()]
    [OutputType([array])]
    param
    (
        [Parameter(Mandatory = $true)]
        [AllowEmptyString()]
        [string]
        $ServiceName
    )

    return ( $ServiceName -split ',' )
}
#endregion