449b2672b9
We can now finally test this properly both using a mock and through the interactive module that will do the request for us in various conditions.
107 lines
2.4 KiB
Go
107 lines
2.4 KiB
Go
//go:build !go_pam_module
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package pam
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/*
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#cgo CFLAGS: -Wall -std=c99
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#include <stdint.h>
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#include <stdlib.h>
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*/
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import "C"
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import (
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"errors"
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"fmt"
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"runtime"
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"testing"
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"unsafe"
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)
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type mockModuleTransactionExpectations struct {
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UserPrompt string
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}
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type mockModuleTransactionReturnedData struct {
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User string
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InteractiveUser bool
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Status Error
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}
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type mockModuleTransaction struct {
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moduleTransaction
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T *testing.T
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Expectations mockModuleTransactionExpectations
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RetData mockModuleTransactionReturnedData
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ConversationHandler ConversationHandler
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allocatedData []unsafe.Pointer
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}
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func newMockModuleTransaction(m *mockModuleTransaction) *mockModuleTransaction {
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runtime.SetFinalizer(m, func(m *mockModuleTransaction) {
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for _, ptr := range m.allocatedData {
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C.free(ptr)
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}
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})
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return m
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}
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func (m *mockModuleTransaction) getUser(outUser **C.char, prompt *C.char) C.int {
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goPrompt := C.GoString(prompt)
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if goPrompt != m.Expectations.UserPrompt {
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m.T.Fatalf("unexpected prompt: %s vs %s", goPrompt, m.Expectations.UserPrompt)
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return C.int(ErrAbort)
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}
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user := m.RetData.User
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if m.RetData.InteractiveUser || (m.RetData.User == "" && m.ConversationHandler != nil) {
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if m.ConversationHandler == nil {
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m.T.Fatalf("no conversation handler provided")
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}
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u, err := m.ConversationHandler.RespondPAM(PromptEchoOn, goPrompt)
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user = u
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if err != nil {
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var pamErr Error
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if errors.As(err, &pamErr) {
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return C.int(pamErr)
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}
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return C.int(ErrAbort)
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}
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}
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cUser := C.CString(user)
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m.allocatedData = append(m.allocatedData, unsafe.Pointer(cUser))
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*outUser = cUser
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return C.int(m.RetData.Status)
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}
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type mockConversationHandler struct {
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User string
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ExpectedMessage string
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CheckEmptyMessage bool
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ExpectedStyle Style
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CheckZeroStyle bool
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}
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func (c mockConversationHandler) RespondPAM(s Style, msg string) (string, error) {
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if (c.ExpectedMessage != "" || c.CheckEmptyMessage) &&
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msg != c.ExpectedMessage {
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return "", fmt.Errorf("%w: unexpected prompt: %s vs %s",
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ErrConv, msg, c.ExpectedMessage)
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}
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if (c.ExpectedStyle != 0 || c.CheckZeroStyle) &&
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s != c.ExpectedStyle {
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return "", fmt.Errorf("%w: unexpected style: %#v vs %#v",
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ErrConv, s, c.ExpectedStyle)
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}
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switch s {
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case PromptEchoOn:
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return c.User, nil
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}
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return "", fmt.Errorf("%w: unhandled style: %v", ErrConv, s)
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}
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