Make main the lean product a site receives

main was 16 days and 259 commits behind the line the product is actually built
on, at contract 0.30.0 against 0.35.0, with no per-PC credential code at all. It
was neither current nor curated - just stale. This brings it forward and, at the
same time, makes it mean something: main is what a receiving site installs, and
nothing else.

WHAT IT CARRIES. Twelve plugins - backups, computers, endpoints, guides,
knowledgebase, machines, network, notifications, printers, slides, tools,
warranty - plus applications, which is manifest-less core and always ships. The
only manifest dependency inside that set is endpoints on computers, and both are
in it, so the closure is self-contained.

WHAT IT DOES NOT. employees, geenforce, measuringtools, printedparts and usb
stay on the site line. So do the Windows installer tree, the VM rehearsal
helpers, the agent tooling config, one site's data loader, the internal audit
and findings records, and the planner spreadsheet. 1,135 tracked files against
1,438.

A REMOVAL THAT BREAKS THE APP IS NOT A REMOVAL, and two nearly shipped:

deploy/site-profile-universal.json still named all seventeen plugins. It is the
file docs/DEPLOY.md tells a site to provision from, so a fresh install would
have failed at `flask plugin apply-profile` with PluginError - the first thing a
receiving site does, broken by the branch meant to serve them. It now names the
twelve that exist, and its comment says the two must agree.

agent/ was never refreshed. Whoever populated this branch copied shopdb/,
plugins/, frontend/ and tests/ from the site line and left the agent tree at its
September state: 22 C# and PowerShell sources missing, including AgentCredentials,
EnrollmentService, AgentHttpFactory and the fleet-alert client, plus one file the
site line had deleted still present. The old tree is internally consistent, so it
compiles, and nothing in CI builds it - every gate was green over a server that
speaks enrollment and per-PC credentials to a bundled agent source that cannot.
Resynced whole.

DECISIONS THIS ENCODES, rather than defers:

- The plugin-authoring lab builds printedparts, whose manifest depends on
  employees, so it could not stay. The lab remains on the site line and main
  ships no build-along tutorial. That is a real loss for an adopting developer
  and is recorded here rather than discovered later.
- Recognition, Training and Recertification notifications are no longer seeded.
  Each splits one notification into a card per employee and renders a photo,
  which needs a plugin this branch does not bundle. Seeding them would offer an
  author a type that cannot resolve anybody. A site that installs employees gets
  them from that plugin's own seed.
- Windows/IIS is documented as the legacy path throughout, and the README leads
  with Docker, because that is what a receiving site gets.

The API description is regenerated for THIS branch - 347 paths and 483
operations, down from 415 and 573 - so the published contract describes what is
here rather than what the site line serves. docs/CONFIG.md lost the two
measuring-tool label keys the code no longer declares, which two lanes had
decided opposite ways.

Suite: 3124 passed, 6 skipped. Naming and style gates pass. The docs gates run
rather than skip, and every index line count is derived from the file it names.
This commit is contained in:
cproudlock
2026-09-19 11:24:40 -04:00
parent cb3975049c
commit 534f179ee6
675 changed files with 115759 additions and 60239 deletions

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#requires -Version 5.1
<#
.SYNOPSIS
Print the SPKI SHA-256 pin of a ShopDB server certificate, for building the
Set-ShopDBServerPins.ps1 entry.
.DESCRIPTION
The pin is the lowercase hex SHA-256 of the leaf certificate's
SubjectPublicKeyInfo: the same value the Server Certificate settings page
shows and the endpoint agent compares. It depends only on the key pair, so
a certificate renewed with the same key keeps its pin.
Give it either a URL (the certificate the server actually presents is read
from the TLS handshake; it is NOT trusted or validated, only hashed) or a
certificate file (.cer, .crt, .pem, DER or PEM). Use the file form to pin a
new certificate BEFORE it goes live on the server.
Reading from a URL trusts the network path at that moment. Compare the
printed pin with the one on the Server Certificate settings page before
rolling it out.
.PARAMETER Url
https://<server>[:port]. Only the host and port are used.
.PARAMETER Path
A certificate file.
.EXAMPLE
.\Get-ShopDBServerPin.ps1 -Url https://<server>
.EXAMPLE
.\Get-ShopDBServerPin.ps1 -Path .\server.crt
#>
[CmdletBinding(DefaultParameterSetName = 'Url')]
param(
[Parameter(Mandatory = $true, ParameterSetName = 'Url', Position = 0)]
[string]$Url,
[Parameter(Mandatory = $true, ParameterSetName = 'Path')]
[string]$Path,
[int]$TimeoutSec = 15
)
Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'
$source = @'
using System;
using System.IO;
using System.Net.Security;
using System.Net.Sockets;
using System.Security.Authentication;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
public static class ShopDbServerPinReader
{
public static byte[] FetchLeafCertificate(string host, int port, int timeoutMilliseconds)
{
using (TcpClient client = new TcpClient())
{
IAsyncResult pending = client.BeginConnect(host, port, null, null);
if (!pending.AsyncWaitHandle.WaitOne(timeoutMilliseconds))
{
throw new TimeoutException("Timed out connecting to " + host + ":" + port);
}
client.EndConnect(pending);
client.ReceiveTimeout = timeoutMilliseconds;
client.SendTimeout = timeoutMilliseconds;
byte[] captured = null;
RemoteCertificateValidationCallback capture = delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
{
if (certificate != null) { captured = certificate.GetRawCertData(); }
return true;
};
using (SslStream ssl = new SslStream(client.GetStream(), false, capture))
{
ssl.AuthenticateAsClient(host, null, SslProtocols.Tls12, false);
}
if (captured == null) { throw new InvalidOperationException("The server presented no certificate"); }
return captured;
}
}
// Walks the DER: Certificate > TBSCertificate > [0] version (optional),
// serialNumber, signature, issuer, validity, subject, subjectPublicKeyInfo.
public static string SpkiSha256Hex(byte[] der)
{
int length;
int position = EnterSequence(der, 0, out length);
position = EnterSequence(der, position, out length);
if (der[position] == 0xA0) { position = Skip(der, position); }
for (int field = 0; field < 5; field++) { position = Skip(der, position); }
if (der[position] != 0x30) { throw new FormatException("SubjectPublicKeyInfo not found"); }
int end = Skip(der, position);
using (SHA256 sha = SHA256.Create())
{
byte[] hash = sha.ComputeHash(der, position, end - position);
return BitConverter.ToString(hash).Replace("-", "").ToLowerInvariant();
}
}
private static int ReadLength(byte[] der, int position, out int length)
{
int first = der[position];
if (first < 0x80) { length = first; return position + 1; }
int count = first & 0x7F;
if (count == 0 || count > 4) { throw new FormatException("Unsupported DER length"); }
length = 0;
for (int i = 1; i <= count; i++) { length = (length << 8) | der[position + i]; }
return position + 1 + count;
}
private static int EnterSequence(byte[] der, int position, out int length)
{
if (der[position] != 0x30) { throw new FormatException("Expected SEQUENCE"); }
return ReadLength(der, position + 1, out length);
}
private static int Skip(byte[] der, int position)
{
int length;
int content = ReadLength(der, position + 1, out length);
return content + length;
}
}
'@
if (-not ('ShopDbServerPinReader' -as [type])) {
Add-Type -TypeDefinition $source
}
try {
if ($PSCmdlet.ParameterSetName -eq 'Path') {
$resolved = (Resolve-Path -LiteralPath $Path).ProviderPath
$certificate = New-Object System.Security.Cryptography.X509Certificates.X509Certificate2 -ArgumentList $resolved
$der = $certificate.RawData
$label = "$resolved (subject $($certificate.Subject), expires $($certificate.NotAfter.ToString('yyyy-MM-dd')))"
} else {
$uri = [Uri]$Url
if ($uri.Scheme -ne 'https') { throw "The URL must be https ($Url)" }
$der = [ShopDbServerPinReader]::FetchLeafCertificate($uri.Host, $uri.Port, $TimeoutSec * 1000)
$certificate = New-Object System.Security.Cryptography.X509Certificates.X509Certificate2 -ArgumentList (,$der)
$label = "$($uri.Host):$($uri.Port) (subject $($certificate.Subject), expires $($certificate.NotAfter.ToString('yyyy-MM-dd')))"
}
$pin = [ShopDbServerPinReader]::SpkiSha256Hex($der)
} catch {
Write-Error "Could not read a certificate: $($_.Exception.Message)"
exit 1
}
Write-Host "Certificate: $label"
Write-Host "Pin (SPKI SHA-256):"
Write-Output $pin
exit 0

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#requires -Version 5.1
<#
.SYNOPSIS
Trust the ShopDB server's own certificate on this PC by adding it to
LocalMachine\Root, after checking it is the expected certificate and not a
certificate authority.
.DESCRIPTION
WHY: endpoint agents older than 1.20 check the normal Windows certificate
chain when they download the upgrade package. They know nothing about
ServerPins. A server with a self-signed certificate is therefore refused
by those agents, and the upgrade to 1.20 never lands. The certificate has
to be trusted on the PC BEFORE a store wave queues the upgrade.
PCs installed by the server's generated installer already trust it. PCs
installed from the share do not, and need this entry.
Adding a non-CA leaf certificate to Root trusts exactly that one server.
It cannot be used to vouch for any other site, so the blast radius is the
server itself. A CA certificate in Root would trust everything that CA
signs, which is why a CA is refused unless -AllowCa is passed.
Get the .cer from Settings > Endpoints > Server certificate (download), or
GET /api/endpoints/settings/server-cert/download. The expected thumbprint
is the sha1thumbprint field of GET /api/endpoints/settings/server-cert.
Meant to run as a GE-Enforce PS1 entry under the SYSTEM task, in the same
targeting as the Set-ShopDBServerPins.ps1 entry. Idempotent: the Root store
is checked first and nothing is written when the certificate is already
there, so it is safe every cycle. Nothing else is removed or changed.
.PARAMETER CertPath
Path to the server certificate file, DER or PEM (.cer / .crt / .pem).
.PARAMETER Thumbprint
Expected SHA-1 thumbprint of the certificate. Spaces, colons and case are
ignored. The file is refused when it does not match.
.PARAMETER AllowCa
Import even when the certificate is a CA (basicConstraints CA=true). Only
for a site that deliberately trusts its own private CA.
.PARAMETER LogPath
Append a transcript here as well as writing to the pipeline.
.EXAMPLE
.\Install-ShopDBServerCertificate.ps1 -CertPath <share>\shopdb-server.cer -Thumbprint <sha1thumbprint>
Trust the server certificate on this PC.
.EXAMPLE
.\Install-ShopDBServerCertificate.ps1 -CertPath .\shopdb-server.cer -Thumbprint <sha1thumbprint> -WhatIf
Show what would be imported without touching the store.
.NOTES
Exit codes:
0 imported, or already trusted
1 bad input, mismatch, refused CA, or an error stopped the import
#>
[CmdletBinding(SupportsShouldProcess = $true)]
param(
[Parameter(Mandatory = $true)]
[string]$CertPath,
[Parameter(Mandatory = $true)]
[string]$Thumbprint,
[switch]$AllowCa,
[string]$LogPath
)
Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'
function Log {
param([string]$Message)
$line = "{0} [Install-ShopDBServerCertificate] {1}" -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss'), $Message
Write-Output $line
if ($LogPath) {
try { Add-Content -LiteralPath $LogPath -Value $line -WhatIf:$false -ErrorAction Stop } catch { }
}
}
function Read-Certificate {
param([string]$Path)
$bytes = [System.IO.File]::ReadAllBytes($Path)
$text = [System.Text.Encoding]::ASCII.GetString($bytes)
$match = [regex]::Match($text, '-----BEGIN CERTIFICATE-----(.+?)-----END CERTIFICATE-----',
[System.Text.RegularExpressions.RegexOptions]::Singleline)
if ($match.Success) {
$bytes = [Convert]::FromBase64String(($match.Groups[1].Value -replace '\s', ''))
}
return New-Object System.Security.Cryptography.X509Certificates.X509Certificate2(,[byte[]]$bytes)
}
# --- 1. validate the request ------------------------------------------------
$expected = ($Thumbprint -replace '[\s:]', '').ToUpperInvariant()
if ($expected -notmatch '^[0-9A-F]{40}$') {
Log "ERROR '$Thumbprint' is not a SHA-1 thumbprint (40 hex characters); nothing imported"
exit 1
}
if (-not (Test-Path -LiteralPath $CertPath -PathType Leaf)) {
Log "ERROR certificate file not found: $CertPath"
exit 1
}
try {
$cert = Read-Certificate -Path $CertPath
} catch {
Log "ERROR could not read a certificate from $CertPath : $($_.Exception.Message)"
exit 1
}
$actual = $cert.Thumbprint.ToUpperInvariant()
Log "file: $CertPath"
Log "subject: $($cert.Subject); issuer: $($cert.Issuer); expires: $($cert.NotAfter.ToString('yyyy-MM-dd'))"
if ($actual -ne $expected) {
Log "ERROR thumbprint of the file is $actual, expected $expected; refusing to import"
exit 1
}
if ($cert.HasPrivateKey) {
Log 'ERROR the file carries a private key; export the public certificate only'
exit 1
}
# --- 2. refuse a CA ---------------------------------------------------------
$isCa = $false
foreach ($extension in $cert.Extensions) {
if ($extension.Oid.Value -eq '2.5.29.19') {
$constraints = [System.Security.Cryptography.X509Certificates.X509BasicConstraintsExtension]$extension
$isCa = $constraints.CertificateAuthority
}
}
if ($isCa) {
if (-not $AllowCa) {
Log ('ERROR the certificate is a CA (basicConstraints CA=true). In Root it would trust every ' +
'certificate it signs, not just the ShopDB server. Refusing; pass -AllowCa only if that is intended.')
exit 1
}
Log 'WARN the certificate is a CA and -AllowCa was passed; everything it signs will be trusted'
} else {
Log 'not a CA (basicConstraints CA absent or false); trusts only this server'
}
if ($cert.Subject -ne $cert.Issuer) {
Log 'WARN the certificate is not self-signed; Windows may still need its issuer to build the chain'
}
if ($cert.NotAfter -lt (Get-Date)) {
Log 'WARN the certificate has expired; the server needs a new one, importing anyway'
}
# --- 3. import into LocalMachine\Root ---------------------------------------
$store = New-Object System.Security.Cryptography.X509Certificates.X509Store(
[System.Security.Cryptography.X509Certificates.StoreName]::Root,
[System.Security.Cryptography.X509Certificates.StoreLocation]::LocalMachine)
try {
$store.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadOnly)
try {
$present = $store.Certificates.Find(
[System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $actual, $false)
$alreadyTrusted = $present.Count -gt 0
} finally { $store.Close() }
if ($alreadyTrusted) {
Log "LocalMachine\Root already holds $actual; nothing to do"
exit 0
}
if ($PSCmdlet.ShouldProcess("Cert:\LocalMachine\Root", "Import $actual ($($cert.Subject))")) {
$store.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadWrite)
try { $store.Add($cert) } finally { $store.Close() }
# Read back rather than trust Add.
$store.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadOnly)
try {
$after = $store.Certificates.Find(
[System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint, $actual, $false)
} finally { $store.Close() }
if ($after.Count -eq 0) {
Log "ERROR $actual did not read back from LocalMachine\Root after import"
exit 1
}
Log "imported $actual into LocalMachine\Root"
}
} catch {
Log "ERROR $($_.Exception.Message)"
exit 1
} finally {
$store.Close()
}
exit 0

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#requires -Version 5.1
<#
.SYNOPSIS
Write the ShopDB server public key pins to HKLM:\SOFTWARE\GE\ShopDB
ServerPins, so the endpoint agent and the SYSTEM reporters trust only this
site's server key.
.DESCRIPTION
Each pin is the lowercase hex SHA-256 of the server leaf certificate's
SubjectPublicKeyInfo. The ShopDB Server Certificate settings page shows the
current one, and Get-ShopDBServerPin.ps1 computes one from a URL or a
certificate file.
Written as REG_MULTI_SZ in BOTH registry views (64-bit and WOW6432Node),
the same way CollectorKey is, so a 32-bit reader sees the same set.
Meant to run as a GE-Enforce PS1 entry under the SYSTEM task, before agent
1.20 reaches the PC. Idempotent: the set on the PC is compared with the
requested set first, and nothing is written when they already match, so it
is safe every cycle.
THE REGISTRY WINS. When ServerPins exists in either view, even empty, the
agent uses it alone and ignores serverpins / servercertthumbprint in
appsettings.json (the installer and store upgrade write those). Only when
the value is absent in both views do the appsettings pins apply.
ROTATING THE SERVER KEY: pass the old pin AND the new pin until every PC has
both, switch the server certificate, then write ONLY the new pin to retire
the old one. A PC holding only the old pin refuses the new certificate.
.PARAMETER Pins
One or more pins separated by commas, semicolons or spaces. Colons and case
are ignored. Every value must be 64 hex characters or nothing is written.
.PARAMETER Clear
Delete ServerPins from both views. The agent then falls back to the pins
in appsettings.json; with none there, normal Windows certificate checks.
.PARAMETER None
Write an EMPTY ServerPins in both views. The registry stays authoritative
with no pins, so appsettings.json pins are ignored and the normal Windows
certificate checks apply.
.PARAMETER LogPath
Append a transcript here as well as writing to the pipeline.
.EXAMPLE
.\Set-ShopDBServerPins.ps1 -Pins <pin>
Pin one server key.
.EXAMPLE
.\Set-ShopDBServerPins.ps1 -Pins "<oldpin>,<newpin>" -WhatIf
Show what a key rotation would write without touching the registry.
.EXAMPLE
.\Set-ShopDBServerPins.ps1 -Pins <newpin>
After the server switched certificates: retire the old pin.
.EXAMPLE
.\Set-ShopDBServerPins.ps1 -None
Turn pinning off on a PC whose appsettings.json still carries pins.
.NOTES
Exit codes:
0 written, or already correct
1 bad input or an error stopped the write
#>
[CmdletBinding(SupportsShouldProcess = $true)]
param(
[string]$Pins,
[switch]$Clear,
[switch]$None,
[string]$LogPath
)
Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'
$SubKey = 'SOFTWARE\GE\ShopDB'
$ValueName = 'ServerPins'
function Log {
param([string]$Message)
$line = "{0} [Set-ShopDBServerPins] {1}" -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss'), $Message
Write-Output $line
if ($LogPath) {
try { Add-Content -LiteralPath $LogPath -Value $line -ErrorAction Stop } catch { }
}
}
# Returns @{ Present; Pins }. Present = the value exists, even empty.
function Get-CurrentPins {
param([Microsoft.Win32.RegistryView]$View)
$result = @{ Present = $false; Pins = @() }
$base = [Microsoft.Win32.RegistryKey]::OpenBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $View)
try {
$key = $base.OpenSubKey($SubKey)
if (-not $key) { return $result }
try {
$value = $key.GetValue($ValueName)
if ($null -eq $value) { return $result }
$result.Present = $true
$result.Pins = @(@($value) | ForEach-Object { ([string]$_).Trim().ToLowerInvariant() } | Where-Object { $_ })
return $result
} finally { $key.Dispose() }
} finally { $base.Dispose() }
}
function Test-SamePins {
param([string[]]$Left, [string[]]$Right)
$a = @($Left | Sort-Object -Unique)
$b = @($Right | Sort-Object -Unique)
if ($a.Count -ne $b.Count) { return $false }
for ($i = 0; $i -lt $a.Count; $i++) {
if ($a[$i] -ne $b[$i]) { return $false }
}
return $true
}
# --- 1. validate the request ------------------------------------------------
$requested = @()
if (@(@($Clear.IsPresent, $None.IsPresent, [bool]$Pins) | Where-Object { $_ }).Count -gt 1) {
Log 'ERROR use only one of -Pins, -Clear, -None'
exit 1
}
if ($None) {
Log 'requested an empty ServerPins (registry authoritative, no pins)'
} elseif (-not $Clear) {
if (-not $Pins -or -not $Pins.Trim()) {
Log 'ERROR no -Pins given (-Clear deletes the value, -None writes it empty)'
exit 1
}
foreach ($raw in ($Pins -split '[,;\s]+')) {
if (-not $raw) { continue }
$pin = ($raw -replace ':', '').ToLowerInvariant()
if ($pin -notmatch '^[0-9a-f]{64}$') {
Log "ERROR '$raw' is not a SHA-256 pin (64 hex characters); nothing written"
exit 1
}
if ($requested -notcontains $pin) { $requested += $pin }
}
if ($requested.Count -eq 0) {
Log 'ERROR -Pins held no values; nothing written'
exit 1
}
Log "requested $($requested.Count) pin(s): $($requested -join ', ')"
}
# --- 2. write each view -----------------------------------------------------
$views = @(
@{ Name = '64-bit'; View = [Microsoft.Win32.RegistryView]::Registry64 },
@{ Name = '32-bit'; View = [Microsoft.Win32.RegistryView]::Registry32 }
)
$failed = $false
foreach ($entry in $views) {
try {
$state = Get-CurrentPins -View $entry.View
$current = @($state.Pins)
if ($Clear) {
if (-not $state.Present) {
Log "$($entry.Name): no ServerPins; nothing to do"
continue
}
if ($PSCmdlet.ShouldProcess("HKLM\$SubKey ($($entry.Name))", "Remove $ValueName")) {
$base = [Microsoft.Win32.RegistryKey]::OpenBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $entry.View)
try {
$key = $base.OpenSubKey($SubKey, $true)
if ($key) {
try { $key.DeleteValue($ValueName, $false) } finally { $key.Dispose() }
}
} finally { $base.Dispose() }
Log "$($entry.Name): deleted ServerPins (appsettings.json pins apply)"
}
continue
}
if ($state.Present -and (Test-SamePins -Left $current -Right $requested)) {
Log "$($entry.Name): ServerPins already correct; nothing to do"
continue
}
$action = "Set $ValueName to $($requested.Count) pin(s) (was $($current.Count))"
if ($PSCmdlet.ShouldProcess("HKLM\$SubKey ($($entry.Name))", $action)) {
$base = [Microsoft.Win32.RegistryKey]::OpenBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $entry.View)
try {
$key = $base.CreateSubKey($SubKey)
try {
$key.SetValue($ValueName, [string[]]$requested, [Microsoft.Win32.RegistryValueKind]::MultiString)
} finally { $key.Dispose() }
} finally { $base.Dispose() }
# Read back rather than trust SetValue.
$after = Get-CurrentPins -View $entry.View
if (-not $after.Present -or -not (Test-SamePins -Left @($after.Pins) -Right $requested)) {
Log "ERROR $($entry.Name): ServerPins did not read back as written"
$failed = $true
continue
}
Log "$($entry.Name): wrote ServerPins ($($requested.Count) pin(s), was $($current.Count))"
}
} catch {
Log "ERROR $($entry.Name): $($_.Exception.Message)"
$failed = $true
}
}
if ($failed) { exit 1 }
exit 0