/
list-device-owners.go
129 lines (116 loc) · 3.59 KB
/
list-device-owners.go
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// Copyright (C) 2022 Specter Ops, Inc.
//
// This file is part of AzureHound.
//
// AzureHound is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// AzureHound 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package cmd
import (
"context"
"fmt"
"os"
"os/signal"
"sync"
"time"
"github.com/bloodhoundad/azurehound/v2/client"
"github.com/bloodhoundad/azurehound/v2/enums"
"github.com/bloodhoundad/azurehound/v2/models"
"github.com/bloodhoundad/azurehound/v2/panicrecovery"
"github.com/bloodhoundad/azurehound/v2/pipeline"
"github.com/spf13/cobra"
)
func init() {
listRootCmd.AddCommand(listDeviceOwnersCmd)
}
var listDeviceOwnersCmd = &cobra.Command{
Use: "device-owners",
Long: "Lists Azure AD Device Owners",
Run: listDeviceOwnersCmdImpl,
SilenceUsage: true,
}
func listDeviceOwnersCmdImpl(cmd *cobra.Command, args []string) {
ctx, stop := signal.NotifyContext(cmd.Context(), os.Interrupt, os.Kill)
defer gracefulShutdown(stop)
log.V(1).Info("testing connections")
azClient := connectAndCreateClient()
log.Info("collecting azure device owners...")
start := time.Now()
stream := listDeviceOwners(ctx, azClient, listDevices(ctx, azClient))
panicrecovery.HandleBubbledPanic(ctx, stop, log)
outputStream(ctx, stream)
duration := time.Since(start)
log.Info("collection completed", "duration", duration.String())
}
func listDeviceOwners(ctx context.Context, client client.AzureClient, devices <-chan interface{}) <-chan interface{} {
var (
out = make(chan interface{})
ids = make(chan string)
streams = pipeline.Demux(ctx.Done(), ids, 25)
wg sync.WaitGroup
)
go func() {
defer panicrecovery.PanicRecovery()
defer close(ids)
for result := range pipeline.OrDone(ctx.Done(), devices) {
if device, ok := result.(AzureWrapper).Data.(models.Device); !ok {
log.Error(fmt.Errorf("failed type assertion"), "unable to continue enumerating device owners", "result", result)
} else {
if ok := pipeline.Send(ctx.Done(), ids, device.Id); !ok {
return
}
}
}
}()
wg.Add(len(streams))
for i := range streams {
stream := streams[i]
go func() {
defer panicrecovery.PanicRecovery()
defer wg.Done()
for id := range stream {
var (
data = models.DeviceOwners{
DeviceId: id,
}
count = 0
)
for item := range client.ListAzureDeviceRegisteredOwners(ctx, id, false) {
if item.Error != nil {
log.Error(item.Error, "unable to continue processing owners for this device", "deviceId", id)
} else {
deviceOwner := models.DeviceOwner{
Owner: item.Ok,
DeviceId: item.DeviceId,
}
log.V(2).Info("found device owner", "deviceOwner", deviceOwner)
count++
data.Owners = append(data.Owners, deviceOwner)
}
}
if ok := pipeline.SendAny(ctx.Done(), out, AzureWrapper{
Kind: enums.KindAZDeviceOwner,
Data: data,
}); !ok {
return
}
log.V(1).Info("finished listing device owners", "deviceId", id, "count", count)
}
}()
}
go func() {
wg.Wait()
close(out)
log.Info("finished listing all device owners")
}()
return out
}