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fix: assume parentUser correctly for serviceAccounts (#9504)

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ListServiceAccounts/DeleteServiceAccount didn't work properly
with STS credentials yet due to incorrect Parent user.
This commit is contained in:
Harshavardhana 2020-05-01 08:05:14 -07:00 committed by GitHub
parent 09571d03a5
commit 28f9c477a8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 11 deletions
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18
cmd/admin-handlers-users.go
View File

@ -461,7 +461,12 @@ func (a adminAPIHandlers) ListServiceAccounts(w http.ResponseWriter, r *http.Req
return
}
serviceAccounts, err := globalIAMSys.ListServiceAccounts(ctx, cred.AccessKey)
parentUser := cred.AccessKey
if cred.ParentUser != "" {
parentUser = cred.ParentUser
}
serviceAccounts, err := globalIAMSys.ListServiceAccounts(ctx, parentUser)
if err != nil {
writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
return
@ -521,8 +526,15 @@ func (a adminAPIHandlers) DeleteServiceAccount(w http.ResponseWriter, r *http.Re
return
}
if cred.AccessKey != user || cred.ParentUser != user {
// The service account belongs to another user but return not found error to mitigate brute force attacks.
parentUser := cred.AccessKey
if cred.ParentUser != "" {
parentUser = cred.ParentUser
}
if parentUser != user || user == "" {
// The service account belongs to another user but return not
// found error to mitigate brute force attacks. or the
// serviceAccount doesn't exist.
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrServiceAccountNotFound), r.URL)
return
}

9
cmd/iam.go
View File

@ -889,11 +889,10 @@ func (sys *IAMSys) GetServiceAccountParent(ctx context.Context, accessKey string
defer sys.store.runlock()
sa, ok := sys.iamUsersMap[accessKey]
if !ok || !sa.IsServiceAccount() {
return "", errNoSuchServiceAccount
if ok && sa.IsServiceAccount() {
return sa.ParentUser, nil
}
return sa.ParentUser, nil
return "", nil
}
// DeleteServiceAccount - delete a service account
@ -908,7 +907,7 @@ func (sys *IAMSys) DeleteServiceAccount(ctx context.Context, accessKey string) e
sa, ok := sys.iamUsersMap[accessKey]
if !ok || !sa.IsServiceAccount() {
return errNoSuchServiceAccount
return nil
}
// It is ok to ignore deletion error on the mapped policy

3
cmd/typed-errors.go
View File

@ -77,9 +77,6 @@ var errInvalidDecompressedSize = errors.New("Invalid Decompressed Size")
// error returned in IAM subsystem when user doesn't exist.
var errNoSuchUser = errors.New("Specified user does not exist")
// error returned in IAM subsystem when the service account doesn't exist.
var errNoSuchServiceAccount = errors.New("Specified service account does not exist")
// error returned in IAM subsystem when groups doesn't exist.
var errNoSuchGroup = errors.New("Specified group does not exist")