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[v15] Re-enable AWS IMDSv1 fallback #39366

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merged 1 commit into from Mar 14, 2024
Merged

[v15] Re-enable AWS IMDSv1 fallback #39366

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1 change: 0 additions & 1 deletion examples/teleport-usage/main.go
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Expand Up @@ -81,7 +81,6 @@ func main() {
Retryer: limiter,
Region: aws.String(params.awsRegion),
CredentialsChainVerboseErrors: aws.Bool(true),
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
},
})
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4 changes: 0 additions & 4 deletions integration/ec2_test.go
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Expand Up @@ -28,7 +28,6 @@ import (

"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/feature/ec2/imds"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/sts"
"github.com/gravitational/trace"
Expand Down Expand Up @@ -144,9 +143,6 @@ func getIID(ctx context.Context, t *testing.T) imds.InstanceIdentityDocument {
func getCallerIdentity(t *testing.T) *sts.GetCallerIdentityOutput {
sess, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
Config: aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
},
})
require.NoError(t, err)
stsService := sts.New(sess)
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5 changes: 2 additions & 3 deletions lib/auth/join_iam.go
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Expand Up @@ -437,9 +437,8 @@ func createSignedSTSIdentityRequest(ctx context.Context, challenge string, opts

func newSTSClient(ctx context.Context, cfg *stsIdentityRequestConfig) (*sts.STS, error) {
awsConfig := awssdk.Config{
EC2MetadataEnableFallback: awssdk.Bool(false),
UseFIPSEndpoint: cfg.fipsEndpointOption,
STSRegionalEndpoint: cfg.regionalEndpointOption,
UseFIPSEndpoint: cfg.fipsEndpointOption,
STSRegionalEndpoint: cfg.regionalEndpointOption,
}
sess, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigEnable,
Expand Down
4 changes: 1 addition & 3 deletions lib/backend/dynamo/dynamodbbk.go
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Expand Up @@ -251,9 +251,7 @@ func New(ctx context.Context, params backend.Params) (*Backend, error) {
useFIPSEndpoint = endpoints.FIPSEndpointStateEnabled
}

awsConfig := aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
}
awsConfig := aws.Config{}
if cfg.Region != "" {
awsConfig.Region = aws.String(cfg.Region)
}
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12 changes: 5 additions & 7 deletions lib/cloud/clients.go
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Expand Up @@ -1023,9 +1023,8 @@ func (c *TestCloudClients) getAWSSessionForRegion(region string) (*awssession.Se
AccessKeyID: "fakeClientKeyID",
SecretAccessKey: "fakeClientSecret",
}}),
Region: aws.String(region),
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
Region: aws.String(region),
UseFIPSEndpoint: useFIPSEndpoint,
})
}

Expand Down Expand Up @@ -1296,10 +1295,9 @@ func buildAWSSessionOptions(region string, cred *credentials.Credentials) awsses
return awssession.Options{
SharedConfigState: awssession.SharedConfigEnable,
Config: aws.Config{
Region: aws.String(region),
Credentials: cred,
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
Region: aws.String(region),
Credentials: cred,
UseFIPSEndpoint: useFIPSEndpoint,
},
}
}
8 changes: 3 additions & 5 deletions lib/configurators/aws/aws.go
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Expand Up @@ -336,8 +336,7 @@ func (c *ConfiguratorConfig) CheckAndSetDefaults() error {
c.AWSSession, err = awssession.NewSessionWithOptions(awssession.Options{
SharedConfigState: awssession.SharedConfigEnable,
Config: aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
UseFIPSEndpoint: useFIPSEndpoint,
},
})
if err != nil {
Expand Down Expand Up @@ -369,9 +368,8 @@ func (c *ConfiguratorConfig) CheckAndSetDefaults() error {
}
session, err := awssession.NewSessionWithOptions(awssession.Options{
Config: aws.Config{
Region: &region,
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
Region: &region,
UseFIPSEndpoint: useFIPSEndpoint,
},
SharedConfigState: awssession.SharedConfigEnable,
})
Expand Down
4 changes: 1 addition & 3 deletions lib/events/dynamoevents/dynamoevents.go
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Expand Up @@ -264,9 +264,7 @@ func New(ctx context.Context, cfg Config) (*Log, error) {
Config: cfg,
}

awsConfig := aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
}
awsConfig := aws.Config{}

// Override the default environment's region if value set in YAML file:
if cfg.Region != "" {
Expand Down
3 changes: 1 addition & 2 deletions lib/events/s3sessions/s3handler.go
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Expand Up @@ -157,8 +157,7 @@ func (s *Config) CheckAndSetDefaults() error {
}
if s.Session == nil {
awsConfig := aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: events.FIPSProtoStateToAWSState(s.UseFIPSEndpoint),
UseFIPSEndpoint: events.FIPSProtoStateToAWSState(s.UseFIPSEndpoint),
}
if s.Region != "" {
awsConfig.Region = aws.String(s.Region)
Expand Down
10 changes: 4 additions & 6 deletions lib/integrations/awsoidc/clientsv1.go
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Expand Up @@ -71,8 +71,7 @@ func NewSessionV1(ctx context.Context, client IntegrationTokenGenerator, region
sess, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigDisable,
Config: aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
UseFIPSEndpoint: useFIPSEndpoint,
},
})
if err != nil {
Expand All @@ -99,10 +98,9 @@ func NewSessionV1(ctx context.Context, client IntegrationTokenGenerator, region
session, err := session.NewSessionWithOptions(session.Options{
SharedConfigState: session.SharedConfigDisable,
Config: aws.Config{
Region: aws.String(region),
Credentials: awsCredentials,
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
Region: aws.String(region),
Credentials: awsCredentials,
UseFIPSEndpoint: useFIPSEndpoint,
},
})
if err != nil {
Expand Down
3 changes: 1 addition & 2 deletions lib/srv/app/cloud.go
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Expand Up @@ -104,8 +104,7 @@ func (c *CloudConfig) CheckAndSetDefaults() error {
session, err := awssession.NewSessionWithOptions(awssession.Options{
SharedConfigState: awssession.SharedConfigEnable,
Config: aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
UseFIPSEndpoint: useFIPSEndpoint,
},
})
if err != nil {
Expand Down
3 changes: 1 addition & 2 deletions lib/utils/aws/signing.go
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Expand Up @@ -75,8 +75,7 @@ func (s *SigningServiceConfig) CheckAndSetDefaults() error {
ses, err := awssession.NewSessionWithOptions(awssession.Options{
SharedConfigState: awssession.SharedConfigEnable,
Config: aws.Config{
EC2MetadataEnableFallback: aws.Bool(false),
UseFIPSEndpoint: useFIPSEndpoint,
UseFIPSEndpoint: useFIPSEndpoint,
},
})
if err != nil {
Expand Down