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0b12cdcfd1
* Adding explicit MPL license for sub-package. This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Adding explicit MPL license for sub-package. This directory and its subdirectories (packages) contain files licensed with the MPLv2 `LICENSE` file in this directory and are intentionally licensed separately from the BSL `LICENSE` file at the root of this repository. * Updating the license from MPL to Business Source License. Going forward, this project will be licensed under the Business Source License v1.1. Please see our blog post for more details at https://hashi.co/bsl-blog, FAQ at www.hashicorp.com/licensing-faq, and details of the license at www.hashicorp.com/bsl. * add missing license headers * Update copyright file headers to BUS-1.1 * Fix test that expected exact offset on hcl file --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com> Co-authored-by: Sarah Thompson <sthompson@hashicorp.com> Co-authored-by: Brian Kassouf <bkassouf@hashicorp.com>
764 lines
27 KiB
Go
764 lines
27 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package awsauth
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"net/http/httptest"
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"net/url"
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"reflect"
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"strings"
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"testing"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/sts"
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"github.com/stretchr/testify/assert"
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"github.com/hashicorp/vault/sdk/logical"
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)
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func TestBackend_pathLogin_getCallerIdentityResponse(t *testing.T) {
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responseFromUser := `<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
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<GetCallerIdentityResult>
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<Arn>arn:aws:iam::123456789012:user/MyUserName</Arn>
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<UserId>ASOMETHINGSOMETHINGSOMETHING</UserId>
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<Account>123456789012</Account>
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</GetCallerIdentityResult>
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<ResponseMetadata>
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<RequestId>7f4fc40c-853a-11e6-8848-8d035d01eb87</RequestId>
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</ResponseMetadata>
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</GetCallerIdentityResponse>`
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expectedUserArn := "arn:aws:iam::123456789012:user/MyUserName"
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responseFromAssumedRole := `<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
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<GetCallerIdentityResult>
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<Arn>arn:aws:sts::123456789012:assumed-role/RoleName/RoleSessionName</Arn>
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<UserId>ASOMETHINGSOMETHINGELSE:RoleSessionName</UserId>
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<Account>123456789012</Account>
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</GetCallerIdentityResult>
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<ResponseMetadata>
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<RequestId>7f4fc40c-853a-11e6-8848-8d035d01eb87</RequestId>
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</ResponseMetadata>
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</GetCallerIdentityResponse>`
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expectedRoleArn := "arn:aws:sts::123456789012:assumed-role/RoleName/RoleSessionName"
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parsedUserResponse, err := parseGetCallerIdentityResponse(responseFromUser)
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if err != nil {
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t.Fatal(err)
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}
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if parsedArn := parsedUserResponse.GetCallerIdentityResult[0].Arn; parsedArn != expectedUserArn {
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t.Errorf("expected to parse arn %#v, got %#v", expectedUserArn, parsedArn)
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}
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parsedRoleResponse, err := parseGetCallerIdentityResponse(responseFromAssumedRole)
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if err != nil {
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t.Fatal(err)
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}
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if parsedArn := parsedRoleResponse.GetCallerIdentityResult[0].Arn; parsedArn != expectedRoleArn {
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t.Errorf("expected to parn arn %#v; got %#v", expectedRoleArn, parsedArn)
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}
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_, err = parseGetCallerIdentityResponse("SomeRandomGibberish")
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if err == nil {
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t.Errorf("expected to NOT parse random giberish, but didn't get an error")
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}
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}
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func TestBackend_pathLogin_parseIamArn(t *testing.T) {
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testParser := func(inputArn, expectedCanonicalArn string, expectedEntity iamEntity) {
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entity, err := parseIamArn(inputArn)
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if err != nil {
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t.Fatal(err)
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}
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if expectedCanonicalArn != "" && entity.canonicalArn() != expectedCanonicalArn {
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t.Fatalf("expected to canonicalize ARN %q into %q but got %q instead", inputArn, expectedCanonicalArn, entity.canonicalArn())
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}
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if *entity != expectedEntity {
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t.Fatalf("expected to get iamEntity %#v from input ARN %q but instead got %#v", expectedEntity, inputArn, *entity)
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}
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}
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testParser("arn:aws:iam::123456789012:user/UserPath/MyUserName",
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"arn:aws:iam::123456789012:user/MyUserName",
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iamEntity{Partition: "aws", AccountNumber: "123456789012", Type: "user", Path: "UserPath", FriendlyName: "MyUserName"},
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)
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canonicalRoleArn := "arn:aws:iam::123456789012:role/RoleName"
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testParser("arn:aws:sts::123456789012:assumed-role/RoleName/RoleSessionName",
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canonicalRoleArn,
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iamEntity{Partition: "aws", AccountNumber: "123456789012", Type: "assumed-role", FriendlyName: "RoleName", SessionInfo: "RoleSessionName"},
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)
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testParser("arn:aws:iam::123456789012:role/RolePath/RoleName",
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canonicalRoleArn,
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iamEntity{Partition: "aws", AccountNumber: "123456789012", Type: "role", Path: "RolePath", FriendlyName: "RoleName"},
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)
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testParser("arn:aws:iam::123456789012:instance-profile/profilePath/InstanceProfileName",
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"",
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iamEntity{Partition: "aws", AccountNumber: "123456789012", Type: "instance-profile", Path: "profilePath", FriendlyName: "InstanceProfileName"},
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)
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// Test that it properly handles pathological inputs...
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_, err := parseIamArn("")
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if err == nil {
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t.Error("expected error from empty input string")
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}
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_, err = parseIamArn("arn:aws:iam::123456789012:role")
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if err == nil {
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t.Error("expected error from malformed ARN without a role name")
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}
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_, err = parseIamArn("arn:aws:iam")
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if err == nil {
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t.Error("expected error from incomplete ARN (arn:aws:iam)")
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}
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_, err = parseIamArn("arn:aws:iam::1234556789012:/")
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if err == nil {
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t.Error("expected error from empty principal type and no principal name (arn:aws:iam::1234556789012:/)")
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}
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_, err = parseIamArn("arn:aws:sts::1234556789012:assumed-role/role")
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if err == nil {
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t.Error("expected error from malformed assumed role ARN")
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}
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}
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func TestBackend_validateVaultHeaderValue(t *testing.T) {
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const canaryHeaderValue = "Vault-Server"
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requestURL, err := url.Parse("https://sts.amazonaws.com/")
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if err != nil {
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t.Fatalf("error parsing test URL: %v", err)
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}
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postHeadersMissing := http.Header{
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"Host": []string{"Foo"},
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"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"},
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}
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postHeadersInvalid := http.Header{
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"Host": []string{"Foo"},
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iamServerIdHeader: []string{"InvalidValue"},
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"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"},
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}
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postHeadersUnsigned := http.Header{
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"Host": []string{"Foo"},
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iamServerIdHeader: []string{canaryHeaderValue},
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"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"},
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}
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postHeadersValid := http.Header{
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"Host": []string{"Foo"},
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iamServerIdHeader: []string{canaryHeaderValue},
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"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"},
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}
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postHeadersSplit := http.Header{
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"Host": []string{"Foo"},
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iamServerIdHeader: []string{canaryHeaderValue},
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"Authorization": []string{"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request", "SignedHeaders=content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"},
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}
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err = validateVaultHeaderValue(postHeadersMissing, requestURL, canaryHeaderValue)
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if err == nil {
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t.Error("validated POST request with missing Vault header")
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}
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err = validateVaultHeaderValue(postHeadersInvalid, requestURL, canaryHeaderValue)
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if err == nil {
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t.Error("validated POST request with invalid Vault header value")
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}
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err = validateVaultHeaderValue(postHeadersUnsigned, requestURL, canaryHeaderValue)
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if err == nil {
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t.Error("validated POST request with unsigned Vault header")
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}
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err = validateVaultHeaderValue(postHeadersValid, requestURL, canaryHeaderValue)
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if err != nil {
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t.Errorf("did NOT validate valid POST request: %v", err)
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}
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err = validateVaultHeaderValue(postHeadersSplit, requestURL, canaryHeaderValue)
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if err != nil {
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t.Errorf("did NOT validate valid POST request with split Authorization header: %v", err)
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}
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}
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// TestBackend_pathLogin_IAMHeaders tests login with iam_request_headers,
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// supporting both base64 encoded string and JSON headers
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func TestBackend_pathLogin_IAMHeaders(t *testing.T) {
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storage := &logical.InmemStorage{}
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config := logical.TestBackendConfig()
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config.StorageView = storage
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b, err := Backend(config)
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if err != nil {
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t.Fatal(err)
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}
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err = b.Setup(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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// sets up a test server to stand in for STS service
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ts := setupIAMTestServer()
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defer ts.Close()
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clientConfigData := map[string]interface{}{
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"iam_server_id_header_value": testVaultHeaderValue,
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"sts_endpoint": ts.URL,
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}
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clientRequest := &logical.Request{
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Operation: logical.UpdateOperation,
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Path: "config/client",
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Storage: storage,
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Data: clientConfigData,
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}
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_, err = b.HandleRequest(context.Background(), clientRequest)
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if err != nil {
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t.Fatal(err)
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}
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// Configure identity.
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_, err = b.HandleRequest(context.Background(), &logical.Request{
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Operation: logical.UpdateOperation,
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Path: "config/identity",
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Storage: storage,
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Data: map[string]interface{}{
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"iam_alias": "role_id",
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"iam_metadata": []string{
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"account_id",
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"auth_type",
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"canonical_arn",
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"client_arn",
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"client_user_id",
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"inferred_aws_region",
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"inferred_entity_id",
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"inferred_entity_type",
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},
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"ec2_alias": "role_id",
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"ec2_metadata": []string{
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"account_id",
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"ami_id",
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"instance_id",
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"region",
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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// create a role entry
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roleEntry := &awsRoleEntry{
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RoleID: "foo",
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Version: currentRoleStorageVersion,
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AuthType: iamAuthType,
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}
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if err := b.setRole(context.Background(), storage, testValidRoleName, roleEntry); err != nil {
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t.Fatalf("failed to set entry: %s", err)
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}
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// create a baseline loginData map structure, including iam_request_headers
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// already base64encoded. This is the "Default" loginData used for all tests.
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// Each sub test can override the map's iam_request_headers entry
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loginData, err := defaultLoginData()
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if err != nil {
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t.Fatal(err)
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}
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expectedAuthMetadata := map[string]string{
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"account_id": "123456789012",
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"auth_type": "iam",
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"canonical_arn": "arn:aws:iam::123456789012:user/valid-role",
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"client_arn": "arn:aws:iam::123456789012:user/valid-role",
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"client_user_id": "ASOMETHINGSOMETHINGSOMETHING",
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}
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// expected errors for certain tests
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missingHeaderErr := errors.New("error validating X-Vault-AWS-IAM-Server-ID header: missing header \"X-Vault-AWS-IAM-Server-ID\"")
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parsingErr := errors.New("error making upstream request: error parsing STS response")
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testCases := []struct {
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Name string
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Header interface{}
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ExpectErr error
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}{
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{
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Name: "Default",
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},
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{
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Name: "Map-complete",
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Header: map[string]interface{}{
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"Content-Length": "43",
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"Content-Type": "application/x-www-form-urlencoded; charset=utf-8",
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"User-Agent": "aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
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"X-Amz-Date": "20180910T203328Z",
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"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
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"Authorization": "AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4",
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},
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},
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{
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Name: "Map-incomplete",
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Header: map[string]interface{}{
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"Content-Length": "43",
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"Content-Type": "application/x-www-form-urlencoded; charset=utf-8",
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"User-Agent": "aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
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"X-Amz-Date": "20180910T203328Z",
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"Authorization": "AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4",
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},
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ExpectErr: missingHeaderErr,
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},
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{
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Name: "Map-illegal-header",
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Header: map[string]interface{}{
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"Content-Length": "43",
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"Content-Type": "application/x-www-form-urlencoded; charset=utf-8",
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"User-Agent": "aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
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"X-Amz-Date": "20180910T203328Z",
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"Authorization": "AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4",
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"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
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"X-Amz-Mallory-Header": "<?xml><h4ck0r/>",
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},
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ExpectErr: errors.New("invalid request header: X-Amz-Mallory-Header"),
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},
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{
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Name: "JSON-complete",
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Header: `{
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"Content-Length":"43",
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"Content-Type":"application/x-www-form-urlencoded; charset=utf-8",
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"User-Agent":"aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
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"X-Amz-Date":"20180910T203328Z",
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"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
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"Authorization":"AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4"
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}`,
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},
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{
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Name: "JSON-incomplete",
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Header: `{
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"Content-Length":"43",
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"Content-Type":"application/x-www-form-urlencoded; charset=utf-8",
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"User-Agent":"aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
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"X-Amz-Date":"20180910T203328Z",
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"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
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"Authorization":"AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id"
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}`,
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ExpectErr: parsingErr,
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},
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{
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Name: "Base64-complete",
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Header: base64Complete(),
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},
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{
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Name: "Base64-incomplete-missing-header",
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Header: base64MissingVaultID(),
|
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ExpectErr: missingHeaderErr,
|
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},
|
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{
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Name: "Base64-incomplete-missing-auth-sig",
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Header: base64MissingAuthField(),
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ExpectErr: parsingErr,
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},
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}
|
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|
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for _, tc := range testCases {
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t.Run(tc.Name, func(t *testing.T) {
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if tc.Header != nil {
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loginData["iam_request_headers"] = tc.Header
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}
|
|
|
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loginRequest := &logical.Request{
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Operation: logical.UpdateOperation,
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Path: "login",
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Storage: storage,
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Data: loginData,
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Connection: &logical.Connection{},
|
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}
|
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|
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resp, err := b.HandleRequest(context.Background(), loginRequest)
|
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if err != nil || resp == nil || resp.IsError() {
|
|
if tc.ExpectErr != nil && tc.ExpectErr.Error() == resp.Error().Error() {
|
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return
|
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}
|
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t.Errorf("un expected failed login:\nresp: %#v\n\nerr: %v", resp, err)
|
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}
|
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|
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if !reflect.DeepEqual(expectedAuthMetadata, resp.Auth.Alias.Metadata) {
|
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t.Errorf("expected metadata (%#v) to match (%#v)", expectedAuthMetadata, resp.Auth.Alias.Metadata)
|
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}
|
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})
|
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}
|
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}
|
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|
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// TestBackend_pathLogin_IAMRoleResolution tests role resolution for an Iam login
|
|
func TestBackend_pathLogin_IAMRoleResolution(t *testing.T) {
|
|
storage := &logical.InmemStorage{}
|
|
config := logical.TestBackendConfig()
|
|
config.StorageView = storage
|
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b, err := Backend(config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = b.Setup(context.Background(), config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// sets up a test server to stand in for STS service
|
|
ts := setupIAMTestServer()
|
|
defer ts.Close()
|
|
|
|
clientConfigData := map[string]interface{}{
|
|
"iam_server_id_header_value": testVaultHeaderValue,
|
|
"sts_endpoint": ts.URL,
|
|
}
|
|
clientRequest := &logical.Request{
|
|
Operation: logical.UpdateOperation,
|
|
Path: "config/client",
|
|
Storage: storage,
|
|
Data: clientConfigData,
|
|
}
|
|
_, err = b.HandleRequest(context.Background(), clientRequest)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Configure identity.
|
|
_, err = b.HandleRequest(context.Background(), &logical.Request{
|
|
Operation: logical.UpdateOperation,
|
|
Path: "config/identity",
|
|
Storage: storage,
|
|
Data: map[string]interface{}{
|
|
"iam_alias": "role_id",
|
|
"iam_metadata": []string{
|
|
"account_id",
|
|
"auth_type",
|
|
"canonical_arn",
|
|
"client_arn",
|
|
"client_user_id",
|
|
"inferred_aws_region",
|
|
"inferred_entity_id",
|
|
"inferred_entity_type",
|
|
},
|
|
"ec2_alias": "role_id",
|
|
"ec2_metadata": []string{
|
|
"account_id",
|
|
"ami_id",
|
|
"instance_id",
|
|
"region",
|
|
},
|
|
},
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// create a role entry
|
|
roleEntry := &awsRoleEntry{
|
|
RoleID: "foo",
|
|
Version: currentRoleStorageVersion,
|
|
AuthType: iamAuthType,
|
|
}
|
|
|
|
if err := b.setRole(context.Background(), storage, testValidRoleName, roleEntry); err != nil {
|
|
t.Fatalf("failed to set entry: %s", err)
|
|
}
|
|
|
|
// create a baseline loginData map structure, including iam_request_headers
|
|
// already base64encoded. This is the "Default" loginData used for all tests.
|
|
// Each sub test can override the map's iam_request_headers entry
|
|
loginData, err := defaultLoginData()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
loginRequest := &logical.Request{
|
|
Operation: logical.ResolveRoleOperation,
|
|
Path: "login",
|
|
Storage: storage,
|
|
Data: loginData,
|
|
Connection: &logical.Connection{},
|
|
}
|
|
|
|
resp, err := b.HandleRequest(context.Background(), loginRequest)
|
|
if err != nil || resp == nil || resp.IsError() {
|
|
t.Errorf("unexpected failed role resolution:\nresp: %#v\n\nerr: %v", resp, err)
|
|
}
|
|
if resp.Data["role"] != testValidRoleName {
|
|
t.Fatalf("Role was not as expected. Expected %s, received %s", testValidRoleName, resp.Data["role"])
|
|
}
|
|
}
|
|
|
|
func TestBackend_defaultAliasMetadata(t *testing.T) {
|
|
storage := &logical.InmemStorage{}
|
|
config := logical.TestBackendConfig()
|
|
config.StorageView = storage
|
|
b, err := Backend(config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
err = b.Setup(context.Background(), config)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// sets up a test server to stand in for STS service
|
|
ts := setupIAMTestServer()
|
|
defer ts.Close()
|
|
|
|
clientConfigData := map[string]interface{}{
|
|
"iam_server_id_header_value": testVaultHeaderValue,
|
|
"sts_endpoint": ts.URL,
|
|
}
|
|
clientRequest := &logical.Request{
|
|
Operation: logical.UpdateOperation,
|
|
Path: "config/client",
|
|
Storage: storage,
|
|
Data: clientConfigData,
|
|
}
|
|
_, err = b.HandleRequest(context.Background(), clientRequest)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// Configure identity.
|
|
_, err = b.HandleRequest(context.Background(), &logical.Request{
|
|
Operation: logical.UpdateOperation,
|
|
Path: "config/identity",
|
|
Storage: storage,
|
|
Data: map[string]interface{}{
|
|
"iam_alias": "role_id",
|
|
"ec2_alias": "role_id",
|
|
},
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
// create a role entry
|
|
roleEntry := &awsRoleEntry{
|
|
RoleID: "foo",
|
|
Version: currentRoleStorageVersion,
|
|
AuthType: iamAuthType,
|
|
}
|
|
|
|
if err := b.setRole(context.Background(), storage, testValidRoleName, roleEntry); err != nil {
|
|
t.Fatalf("failed to set entry: %s", err)
|
|
}
|
|
|
|
// create a baseline loginData map structure, including iam_request_headers
|
|
// already base64encoded. This is the "Default" loginData used for all tests.
|
|
// Each sub test can override the map's iam_request_headers entry
|
|
loginData, err := defaultLoginData()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
expectedAliasMetadata := map[string]string{
|
|
"account_id": "123456789012",
|
|
"auth_type": "iam",
|
|
}
|
|
|
|
testCases := []struct {
|
|
Name string
|
|
Header interface{}
|
|
ExpectErr error
|
|
}{
|
|
{
|
|
Name: "Default",
|
|
},
|
|
{
|
|
Name: "Map-complete",
|
|
Header: map[string]interface{}{
|
|
"Content-Length": "43",
|
|
"Content-Type": "application/x-www-form-urlencoded; charset=utf-8",
|
|
"User-Agent": "aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
|
|
"X-Amz-Date": "20180910T203328Z",
|
|
"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
|
|
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4",
|
|
},
|
|
},
|
|
{
|
|
Name: "JSON-complete",
|
|
Header: `{
|
|
"Content-Length":"43",
|
|
"Content-Type":"application/x-www-form-urlencoded; charset=utf-8",
|
|
"User-Agent":"aws-sdk-go/1.14.24 (go1.11; darwin; amd64)",
|
|
"X-Amz-Date":"20180910T203328Z",
|
|
"X-Vault-Aws-Iam-Server-Id": "VaultAcceptanceTesting",
|
|
"Authorization":"AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180910/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=cdef5819b2e97f1ff0f3e898fd2621aa03af00a4ec3e019122c20e5482534bf4"
|
|
}`,
|
|
},
|
|
{
|
|
Name: "Base64-complete",
|
|
Header: base64Complete(),
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.Name, func(t *testing.T) {
|
|
if tc.Header != nil {
|
|
loginData["iam_request_headers"] = tc.Header
|
|
}
|
|
|
|
loginRequest := &logical.Request{
|
|
Operation: logical.UpdateOperation,
|
|
Path: "login",
|
|
Storage: storage,
|
|
Data: loginData,
|
|
Connection: &logical.Connection{},
|
|
}
|
|
|
|
resp, err := b.HandleRequest(context.Background(), loginRequest)
|
|
if err != nil || resp == nil || resp.IsError() {
|
|
if tc.ExpectErr != nil && tc.ExpectErr.Error() == resp.Error().Error() {
|
|
return
|
|
}
|
|
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)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestRegionFromHeader(t *testing.T) {
|
|
tcs := map[string]struct {
|
|
header string
|
|
expectedRegion string
|
|
expectedSTSEndpoint string
|
|
}{
|
|
"us-east-1": {
|
|
header: "AWS4-HMAC-SHA256 Credential=AAAAAAAAAAAAAAAAAAAA/20230719/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date, Signature=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
|
expectedRegion: "us-east-1",
|
|
expectedSTSEndpoint: "https://sts.us-east-1.amazonaws.com",
|
|
},
|
|
"us-west-2": {
|
|
header: "AWS4-HMAC-SHA256 Credential=AAAAAAAAAAAAAAAAAAAA/20230719/us-west-2/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date, Signature=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
|
expectedRegion: "us-west-2",
|
|
expectedSTSEndpoint: "https://sts.us-west-2.amazonaws.com",
|
|
},
|
|
"ap-northeast-3": {
|
|
header: "AWS4-HMAC-SHA256 Credential=AAAAAAAAAAAAAAAAAAAA/20230719/ap-northeast-3/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date, Signature=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
|
expectedRegion: "ap-northeast-3",
|
|
expectedSTSEndpoint: "https://sts.ap-northeast-3.amazonaws.com",
|
|
},
|
|
"us-gov-east-1": {
|
|
header: "AWS4-HMAC-SHA256 Credential=AAAAAAAAAAAAAAAAAAAA/20230719/us-gov-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date, Signature=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
|
|
expectedRegion: "us-gov-east-1",
|
|
expectedSTSEndpoint: "https://sts.us-gov-east-1.amazonaws.com",
|
|
},
|
|
}
|
|
for name, tc := range tcs {
|
|
t.Run(name, func(t *testing.T) {
|
|
region, err := awsRegionFromHeader(tc.header)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, tc.expectedRegion, region)
|
|
|
|
stsEndpoint, err := stsRegionalEndpoint(region)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, tc.expectedSTSEndpoint, stsEndpoint)
|
|
})
|
|
}
|
|
|
|
t.Run("invalid-header", func(t *testing.T) {
|
|
region, err := awsRegionFromHeader("this-is-an-invalid-header/foobar")
|
|
assert.EqualError(t, err, "invalid header format")
|
|
assert.Empty(t, region)
|
|
})
|
|
|
|
t.Run("invalid-region", func(t *testing.T) {
|
|
endpoint, err := stsRegionalEndpoint("fake-region-1")
|
|
assert.EqualError(t, err, "unable to get regional STS endpoint for region: fake-region-1")
|
|
assert.Empty(t, endpoint)
|
|
})
|
|
}
|
|
|
|
func defaultLoginData() (map[string]interface{}, error) {
|
|
awsSession, err := session.NewSession()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create session: %s", err)
|
|
}
|
|
|
|
stsService := sts.New(awsSession)
|
|
stsInputParams := &sts.GetCallerIdentityInput{}
|
|
stsRequestValid, _ := stsService.GetCallerIdentityRequest(stsInputParams)
|
|
stsRequestValid.HTTPRequest.Header.Add(iamServerIdHeader, testVaultHeaderValue)
|
|
stsRequestValid.HTTPRequest.Header.Add("Authorization", fmt.Sprintf("%s,%s,%s",
|
|
"AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20150830/us-east-1/iam/aws4_request",
|
|
"SignedHeaders=content-type;host;x-amz-date;x-vault-aws-iam-server-id",
|
|
"Signature=5d672d79c15b13162d9279b0855cfba6789a8edb4c82c400e06b5924a6f2b5d7"))
|
|
stsRequestValid.Sign()
|
|
|
|
return buildCallerIdentityLoginData(stsRequestValid.HTTPRequest, testValidRoleName)
|
|
}
|
|
|
|
// setupIAMTestServer configures httptest server to intercept and respond to the
|
|
// IAM login path's invocation of submitCallerIdentityRequest (which does not
|
|
// use the AWS SDK), which receieves the mocked response responseFromUser
|
|
// containing user information matching the role.
|
|
func setupIAMTestServer() *httptest.Server {
|
|
return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
responseString := `<GetCallerIdentityResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
|
|
<GetCallerIdentityResult>
|
|
<Arn>arn:aws:iam::123456789012:user/valid-role</Arn>
|
|
<UserId>ASOMETHINGSOMETHINGSOMETHING</UserId>
|
|
<Account>123456789012</Account>
|
|
</GetCallerIdentityResult>
|
|
<ResponseMetadata>
|
|
<RequestId>7f4fc40c-853a-11e6-8848-8d035d01eb87</RequestId>
|
|
</ResponseMetadata>
|
|
</GetCallerIdentityResponse>
|
|
`
|
|
|
|
auth := r.Header.Get("Authorization")
|
|
parts := strings.Split(auth, ",")
|
|
for i, s := range parts {
|
|
s = strings.TrimSpace(s)
|
|
key := strings.Split(s, "=")
|
|
parts[i] = key[0]
|
|
}
|
|
|
|
// verify the "Authorization" header contains all the expected parts
|
|
expectedAuthParts := []string{"AWS4-HMAC-SHA256 Credential", "SignedHeaders", "Signature"}
|
|
var matchingCount int
|
|
for _, v := range parts {
|
|
for _, z := range expectedAuthParts {
|
|
if z == v {
|
|
matchingCount++
|
|
}
|
|
}
|
|
}
|
|
if matchingCount != len(expectedAuthParts) {
|
|
responseString = "missing auth parts"
|
|
}
|
|
w.Header().Add("Content-Type", "text/xml")
|
|
fmt.Fprintln(w, responseString)
|
|
}))
|
|
}
|
|
|
|
// base64Complete returns a base64 encoded auth header as expected
|
|
func base64Complete() string {
|
|
min := `{"Authorization":["AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180907/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=97086b0531854844099fc52733fa2c88a2bfb54b2689600c6e249358a8353b52"],"Content-Length":["43"],"Content-Type":["application/x-www-form-urlencoded; charset=utf-8"],"User-Agent":["aws-sdk-go/1.14.24 (go1.11; darwin; amd64)"],"X-Amz-Date":["20180907T222145Z"],"X-Vault-Aws-Iam-Server-Id":["VaultAcceptanceTesting"]}`
|
|
return min
|
|
}
|
|
|
|
// base64MissingVaultID returns a base64 encoded auth header, that omits the
|
|
// Vault ID header
|
|
func base64MissingVaultID() string {
|
|
min := `{"Authorization":["AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180907/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id, Signature=97086b0531854844099fc52733fa2c88a2bfb54b2689600c6e249358a8353b52"],"Content-Length":["43"],"Content-Type":["application/x-www-form-urlencoded; charset=utf-8"],"User-Agent":["aws-sdk-go/1.14.24 (go1.11; darwin; amd64)"],"X-Amz-Date":["20180907T222145Z"]}`
|
|
return min
|
|
}
|
|
|
|
// base64MissingAuthField returns a base64 encoded Auth header, that omits the
|
|
// "Signature" part
|
|
func base64MissingAuthField() string {
|
|
min := `{"Authorization":["AWS4-HMAC-SHA256 Credential=AKIAJPQ466AIIQW4LPSQ/20180907/us-east-1/sts/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-date;x-vault-aws-iam-server-id"],"Content-Length":["43"],"Content-Type":["application/x-www-form-urlencoded; charset=utf-8"],"User-Agent":["aws-sdk-go/1.14.24 (go1.11; darwin; amd64)"],"X-Amz-Date":["20180907T222145Z"],"X-Vault-Aws-Iam-Server-Id":["VaultAcceptanceTesting"]}`
|
|
return min
|
|
}
|