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Add aws metadata to identity alias #7985

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merged 3 commits into from
Jan 9, 2020
Merged

Add aws metadata to identity alias #7985

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0b22c05
Add aws metadata to identity alias
maths22 Dec 7, 2019
998a40e
Merge branch 'master' into aws-identity-metadata
maths22 Dec 8, 2019
c23a8da
Add alias metadata asserstion to IAM login check
maths22 Jan 9, 2020
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16 changes: 16 additions & 0 deletions builtin/credential/aws/path_login.go
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Original file line number Diff line number Diff line change
Expand Up @@ -839,6 +839,12 @@ func (b *backend) pathLoginUpdateEc2(ctx context.Context, req *logical.Request,
},
Alias: &logical.Alias{
Name: identityAlias,
Metadata: map[string]string{
"instance_id": identityDocParsed.InstanceID,
"region": identityDocParsed.Region,
"account_id": identityDocParsed.AccountID,
"ami_id": identityDocParsed.AmiID,
},
},
}
roleEntry.PopulateTokenAuth(auth)
Expand Down Expand Up @@ -1359,6 +1365,16 @@ func (b *backend) pathLoginUpdateIam(ctx context.Context, req *logical.Request,
DisplayName: entity.FriendlyName,
Alias: &logical.Alias{
Name: identityAlias,
Metadata: map[string]string{
"client_arn": callerID.Arn,
"canonical_arn": entity.canonicalArn(),
"client_user_id": callerUniqueId,
"auth_type": iamAuthType,
"inferred_entity_type": inferredEntityType,
"inferred_entity_id": inferredEntityID,
"inferred_aws_region": roleEntry.InferredAWSRegion,
"account_id": entity.AccountNumber,
},
},
}
roleEntry.PopulateTokenAuth(auth)
Expand Down
17 changes: 17 additions & 0 deletions builtin/credential/aws/path_login_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"net/http"
"net/http/httptest"
"net/url"
"reflect"
"strings"
"testing"

Expand Down Expand Up @@ -231,6 +232,18 @@ func TestBackend_pathLogin_IAMHeaders(t *testing.T) {
t.Fatal(err)
}

expectedAliasMetadata := map[string]string{
"account_id": "123456789012",
"auth_type": "iam",
"canonical_arn": "arn:aws:iam::123456789012:user/valid-role",
"client_arn": "arn:aws:iam::123456789012:user/valid-role",
"client_user_id": "ASOMETHINGSOMETHINGSOMETHING",
// Note there is no inferred entity, so these fields should be empty
"inferred_aws_region": "",
"inferred_entity_id": "",
"inferred_entity_type": "",
}

// expected errors for certain tests
missingHeaderErr := errors.New("error validating X-Vault-AWS-IAM-Server-ID header: missing header \"X-Vault-AWS-IAM-Server-ID\"")
parsingErr := errors.New("error making upstream request: error parsing STS response")
Expand Down Expand Up @@ -325,6 +338,10 @@ func TestBackend_pathLogin_IAMHeaders(t *testing.T) {
}
t.Errorf("un expected failed login:\nresp: %#v\n\nerr: %v", resp, err)
}

if !reflect.DeepEqual(expectedAliasMetadata, resp.Auth.Alias.Metadata) {
t.Errorf("expected metadata (%#v) to match (%#v)", expectedAliasMetadata, resp.Auth.Alias.Metadata)
}
})
}
}
Expand Down