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106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
package secretservice
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/*
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#cgo pkg-config: libsecret-1
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#include "secretservice_linux.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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"unsafe"
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"github.com/docker/docker-credential-helpers/credentials"
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)
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// Secretservice handles secrets using Linux secret-service as a store.
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type Secretservice struct{}
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// Add adds new credentials to the keychain.
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func (h Secretservice) Add(creds *credentials.Credentials) error {
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if creds == nil {
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return errors.New("missing credentials")
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}
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server := C.CString(creds.ServerURL)
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defer C.free(unsafe.Pointer(server))
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username := C.CString(creds.Username)
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defer C.free(unsafe.Pointer(username))
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secret := C.CString(creds.Secret)
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defer C.free(unsafe.Pointer(secret))
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if err := C.add(server, username, secret); err != nil {
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defer C.g_error_free(err)
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errMsg := (*C.char)(unsafe.Pointer(err.message))
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return errors.New(C.GoString(errMsg))
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}
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return nil
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}
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// Delete removes credentials from the store.
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func (h Secretservice) Delete(serverURL string) error {
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if serverURL == "" {
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return errors.New("missing server url")
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}
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server := C.CString(serverURL)
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defer C.free(unsafe.Pointer(server))
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if err := C.delete(server); err != nil {
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defer C.g_error_free(err)
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errMsg := (*C.char)(unsafe.Pointer(err.message))
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return errors.New(C.GoString(errMsg))
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}
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return nil
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}
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// Get returns the username and secret to use for a given registry server URL.
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func (h Secretservice) Get(serverURL string) (string, string, error) {
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if serverURL == "" {
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return "", "", errors.New("missing server url")
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}
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var username *C.char
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defer C.free(unsafe.Pointer(username))
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var secret *C.char
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defer C.free(unsafe.Pointer(secret))
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server := C.CString(serverURL)
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defer C.free(unsafe.Pointer(server))
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err := C.get(server, &username, &secret)
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if err != nil {
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defer C.g_error_free(err)
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errMsg := (*C.char)(unsafe.Pointer(err.message))
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return "", "", errors.New(C.GoString(errMsg))
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}
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user := C.GoString(username)
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pass := C.GoString(secret)
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if pass == "" {
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return "", "", credentials.NewErrCredentialsNotFound()
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}
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return user, pass, nil
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}
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// List returns the stored URLs and corresponding usernames.
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func (h Secretservice) List() (map[string]string, error) {
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var pathsC **C.char
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defer C.free(unsafe.Pointer(pathsC))
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var acctsC **C.char
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defer C.free(unsafe.Pointer(acctsC))
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var listLenC C.uint
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err := C.list(&pathsC, &acctsC, &listLenC)
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if err != nil {
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defer C.free(unsafe.Pointer(err))
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return nil, errors.New("Error from list function in secretservice_linux.c likely due to error in secretservice library")
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}
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defer C.freeListData(&pathsC, listLenC)
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defer C.freeListData(&acctsC, listLenC)
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listLen := int(listLenC)
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pathTmp := (*[1 << 30]*C.char)(unsafe.Pointer(pathsC))[:listLen:listLen]
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acctTmp := (*[1 << 30]*C.char)(unsafe.Pointer(acctsC))[:listLen:listLen]
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resp := make(map[string]string)
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for i := 0; i < listLen; i++ {
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resp[C.GoString(pathTmp[i])] = C.GoString(acctTmp[i])
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}
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return resp, nil
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}
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