1 files changed, 0 insertions, 138 deletions
diff --git a/vendor/gopkg.in/mgo.v2/internal/sasl/sasl.go b/vendor/gopkg.in/mgo.v2/internal/sasl/sasl.go
deleted file mode 100644
index 8375ddd..0000000
--- a/vendor/gopkg.in/mgo.v2/internal/sasl/sasl.go
+++ /dev/null
@@ -1,138 +0,0 @@
-// Package sasl is an implementation detail of the mgo package.
-//
-// This package is not meant to be used by itself.
-//
-
-// +build !windows
-
-package sasl
-
-// #cgo LDFLAGS: -lsasl2
-//
-// struct sasl_conn {};
-//
-// #include <stdlib.h>
-// #include <sasl/sasl.h>
-//
-// sasl_callback_t *mgo_sasl_callbacks(const char *username, const char *password);
-//
-import "C"
-
-import (
-	"fmt"
-	"strings"
-	"sync"
-	"unsafe"
-)
-
-type saslStepper interface {
-	Step(serverData []byte) (clientData []byte, done bool, err error)
-	Close()
-}
-
-type saslSession struct {
-	conn *C.sasl_conn_t
-	step int
-	mech string
-
-	cstrings  []*C.char
-	callbacks *C.sasl_callback_t
-}
-
-var initError error
-var initOnce sync.Once
-
-func initSASL() {
-	rc := C.sasl_client_init(nil)
-	if rc != C.SASL_OK {
-		initError = saslError(rc, nil, "cannot initialize SASL library")
-	}
-}
-
-func New(username, password, mechanism, service, host string) (saslStepper, error) {
-	initOnce.Do(initSASL)
-	if initError != nil {
-		return nil, initError
-	}
-
-	ss := &saslSession{mech: mechanism}
-	if service == "" {
-		service = "mongodb"
-	}
-	if i := strings.Index(host, ":"); i >= 0 {
-		host = host[:i]
-	}
-	ss.callbacks = C.mgo_sasl_callbacks(ss.cstr(username), ss.cstr(password))
-	rc := C.sasl_client_new(ss.cstr(service), ss.cstr(host), nil, nil, ss.callbacks, 0, &ss.conn)
-	if rc != C.SASL_OK {
-		ss.Close()
-		return nil, saslError(rc, nil, "cannot create new SASL client")
-	}
-	return ss, nil
-}
-
-func (ss *saslSession) cstr(s string) *C.char {
-	cstr := C.CString(s)
-	ss.cstrings = append(ss.cstrings, cstr)
-	return cstr
-}
-
-func (ss *saslSession) Close() {
-	for _, cstr := range ss.cstrings {
-		C.free(unsafe.Pointer(cstr))
-	}
-	ss.cstrings = nil
-
-	if ss.callbacks != nil {
-		C.free(unsafe.Pointer(ss.callbacks))
-	}
-
-	// The documentation of SASL dispose makes it clear that this should only
-	// be done when the connection is done, not when the authentication phase
-	// is done, because an encryption layer may have been negotiated.
-	// Even then, we'll do this for now, because it's simpler and prevents
-	// keeping track of this state for every socket. If it breaks, we'll fix it.
-	C.sasl_dispose(&ss.conn)
-}
-
-func (ss *saslSession) Step(serverData []byte) (clientData []byte, done bool, err error) {
-	ss.step++
-	if ss.step > 10 {
-		return nil, false, fmt.Errorf("too many SASL steps without authentication")
-	}
-	var cclientData *C.char
-	var cclientDataLen C.uint
-	var rc C.int
-	if ss.step == 1 {
-		var mechanism *C.char // ignored - must match cred
-		rc = C.sasl_client_start(ss.conn, ss.cstr(ss.mech), nil, &cclientData, &cclientDataLen, &mechanism)
-	} else {
-		var cserverData *C.char
-		var cserverDataLen C.uint
-		if len(serverData) > 0 {
-			cserverData = (*C.char)(unsafe.Pointer(&serverData[0]))
-			cserverDataLen = C.uint(len(serverData))
-		}
-		rc = C.sasl_client_step(ss.conn, cserverData, cserverDataLen, nil, &cclientData, &cclientDataLen)
-	}
-	if cclientData != nil && cclientDataLen > 0 {
-		clientData = C.GoBytes(unsafe.Pointer(cclientData), C.int(cclientDataLen))
-	}
-	if rc == C.SASL_OK {
-		return clientData, true, nil
-	}
-	if rc == C.SASL_CONTINUE {
-		return clientData, false, nil
-	}
-	return nil, false, saslError(rc, ss.conn, "cannot establish SASL session")
-}
-
-func saslError(rc C.int, conn *C.sasl_conn_t, msg string) error {
-	var detail string
-	if conn == nil {
-		detail = C.GoString(C.sasl_errstring(rc, nil, nil))
-	} else {
-		detail = C.GoString(C.sasl_errdetail(conn))
-	}
-	return fmt.Errorf(msg + ": " + detail)
-}