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ram.go
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ram.go
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package aws
import (
"context"
"fmt"
"path/filepath"
"strconv"
"sync"
"github.com/BishopFox/cloudfox/internal"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/ram"
ramTypes "github.com/aws/aws-sdk-go-v2/service/ram/types"
"github.com/aws/aws-sdk-go-v2/service/sts"
"github.com/bishopfox/awsservicemap"
"github.com/sirupsen/logrus"
)
type RAMModule struct {
// General configuration data
RAMClient *ram.Client
Caller sts.GetCallerIdentityOutput
AWSRegions []string
OutputFormat string
Goroutines int
AWSProfile string
WrapTable bool
// Main module data
Resources []Resource
CommandCounter internal.CommandCounter
// Used to store output data for pretty printing
output internal.OutputData2
modLog *logrus.Entry
}
type Resource struct {
AWSService string
Region string
Name string
Owner string
Type string
ShareType string
}
func (m *RAMModule) PrintRAM(outputFormat string, outputDirectory string, verbosity int) {
// These stuct values are used by the output module
m.output.Verbosity = verbosity
m.output.Directory = outputDirectory
m.output.CallingModule = "ram"
m.modLog = internal.TxtLog.WithFields(logrus.Fields{
"module": m.output.CallingModule,
})
if m.AWSProfile == "" {
m.AWSProfile = internal.BuildAWSPath(m.Caller)
}
fmt.Printf("[%s][%s] Enumerating shared resources for account %s.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), aws.ToString(m.Caller.Account))
wg := new(sync.WaitGroup)
// Create a channel to signal the spinner aka task status goroutine to finish
spinnerDone := make(chan bool)
//fire up the the task status spinner/updated
go internal.SpinUntil(m.output.CallingModule, &m.CommandCounter, spinnerDone, "regions")
//create a channel to receive the objects
dataReceiver := make(chan Resource)
// Create a channel to signal to stop
receiverDone := make(chan bool)
go m.Receiver(dataReceiver, receiverDone)
for _, region := range m.AWSRegions {
wg.Add(1)
m.CommandCounter.Pending++
go m.executeChecks(region, wg, dataReceiver)
}
wg.Wait()
//time.Sleep(time.Second * 2)
// Send a message to the spinner goroutine to close the channel and stop
spinnerDone <- true
<-spinnerDone
receiverDone <- true
<-receiverDone
// add - if struct is not empty do this. otherwise, dont write anything.
m.output.Headers = []string{
"Service",
"Region",
"Share Name",
"Type",
"Owner",
"Share Type",
}
// Table rows
for i := range m.Resources {
m.output.Body = append(
m.output.Body,
[]string{
m.Resources[i].AWSService,
m.Resources[i].Region,
m.Resources[i].Name,
m.Resources[i].Type,
m.Resources[i].Owner,
m.Resources[i].ShareType,
},
)
}
if len(m.output.Body) > 0 {
m.output.FilePath = filepath.Join(outputDirectory, "cloudfox-output", "aws", fmt.Sprintf("%s-%s", m.AWSProfile, aws.ToString(m.Caller.Account)))
//m.output.OutputSelector(outputFormat)
//utils.OutputSelector(verbosity, outputFormat, m.output.Headers, m.output.Body, m.output.FilePath, m.output.CallingModule, m.output.CallingModule)
//internal.OutputSelector(verbosity, outputFormat, m.output.Headers, m.output.Body, m.output.FilePath, m.output.CallingModule, m.output.CallingModule, m.WrapTable, m.AWSProfile)
o := internal.OutputClient{
Verbosity: verbosity,
CallingModule: m.output.CallingModule,
Table: internal.TableClient{
Wrap: m.WrapTable,
},
}
o.Table.TableFiles = append(o.Table.TableFiles, internal.TableFile{
Header: m.output.Headers,
Body: m.output.Body,
Name: m.output.CallingModule,
})
o.PrefixIdentifier = m.AWSProfile
o.Table.DirectoryName = filepath.Join(outputDirectory, "cloudfox-output", "aws", fmt.Sprintf("%s-%s", m.AWSProfile, aws.ToString(m.Caller.Account)))
o.WriteFullOutput(o.Table.TableFiles, nil)
//m.writeLoot(o.Table.DirectoryName, verbosity)
fmt.Printf("[%s][%s] %s resources found.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), strconv.Itoa(len(m.output.Body)))
} else {
fmt.Printf("[%s][%s] No resources found, skipping the creation of an output file.\n", cyan(m.output.CallingModule), cyan(m.AWSProfile))
}
fmt.Printf("[%s][%s] For context and next steps: https://github.com/BishopFox/cloudfox/wiki/AWS-Commands#%s\n", cyan(m.output.CallingModule), cyan(m.AWSProfile), m.output.CallingModule)
}
func (m *RAMModule) executeChecks(r string, wg *sync.WaitGroup, dataReceiver chan Resource) {
defer wg.Done()
servicemap := &awsservicemap.AwsServiceMap{
JsonFileSource: "DOWNLOAD_FROM_AWS",
}
res, err := servicemap.IsServiceInRegion("ram", r)
if err != nil {
m.modLog.Error(err)
}
if res {
m.CommandCounter.Total++
m.CommandCounter.Pending--
m.CommandCounter.Executing++
m.getRAMResourcesPerRegion(r, dataReceiver)
m.CommandCounter.Executing--
m.CommandCounter.Complete++
}
}
func (m *RAMModule) Receiver(receiver chan Resource, receiverDone chan bool) {
defer close(receiverDone)
for {
select {
case data := <-receiver:
m.Resources = append(m.Resources, data)
case <-receiverDone:
receiverDone <- true
return
}
}
}
func (m *RAMModule) getRAMResourcesPerRegion(r string, dataReceiver chan Resource) {
// "PaginationMarker" is a control variable used for output continuity, as AWS return the output in pages.
var PaginationControl *string
var PaginationControl2 *string
var shareName string
var resourceType string
shareTypes := []ramTypes.ResourceOwner{"SELF", "OTHER-ACCOUNTS"}
for _, shareType := range shareTypes {
for {
GetResourceShares, err := m.RAMClient.GetResourceShares(
context.TODO(),
&ram.GetResourceSharesInput{
NextToken: PaginationControl,
ResourceOwner: shareType,
},
func(o *ram.Options) {
o.Region = r
},
)
if err != nil {
m.modLog.Error(err.Error())
m.CommandCounter.Error++
break
}
for _, resourceShare := range GetResourceShares.ResourceShares {
var resourceShareArns []string
shareName = aws.ToString(resourceShare.Name)
resourceShareArns = append(resourceShareArns, aws.ToString(resourceShare.ResourceShareArn))
ownerID := aws.ToString(resourceShare.OwningAccountId)
for {
ListResources, err := m.RAMClient.ListResources(
context.TODO(),
&ram.ListResourcesInput{
NextToken: PaginationControl2,
ResourceOwner: shareType,
ResourceShareArns: resourceShareArns,
},
func(o *ram.Options) {
o.Region = r
},
)
if err != nil {
m.modLog.Error(err.Error())
m.CommandCounter.Error++
break
}
for _, resource := range ListResources.Resources {
resourceType = aws.ToString(resource.Type)
var shareDirection string
if string(shareType) == "OTHER-ACCOUNTS" {
shareDirection = "Inbound share (Another account shared this with me)"
} else {
shareDirection = "Outbound share (I've shared this resource with others)"
}
dataReceiver <- Resource{
AWSService: "RAM",
Name: shareName,
Type: resourceType,
Region: r,
Owner: ownerID,
ShareType: shareDirection,
}
}
if ListResources.NextToken != nil {
PaginationControl2 = ListResources.NextToken
} else {
PaginationControl2 = nil
break
}
}
}
// The "NextToken" value is nil when there's no more data to return.
if GetResourceShares.NextToken != nil {
PaginationControl = GetResourceShares.NextToken
} else {
PaginationControl = nil
break
}
}
}
}