Fix SCRAM-SHA-1 SASL mechanism

The symbol used in sasl-mechanism-alist needs to match the name that
can be required.  Move sasl-make-mechanism call to end of file, to
ensure that it can refer to the specified step functions.

* net/sasl.el (sasl-mechanism-alist): Refer to sasl-scram-rfc
instead of sasl-scram-sha-1, as the former is the name that can be
required.

* net/sasl-scram-rfc.el (sasl-scram-sha-1-steps)
(sasl-scram-sha-1-client-final-message)
(sasl-scram-sha-1-authenticate-server): Move to end of file.

3 files changed, 36 insertions, 23 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index c1fb8697707..af8845bfb45 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,13 @@
+2015-02-23  Magnus Henoch  <magnus.henoch@gmail.com>
+
+        * net/sasl.el (sasl-mechanism-alist): Refer to sasl-scram-rfc
+        instead of sasl-scram-sha-1, as the former is the name that can be
+        required.
+
+        * net/sasl-scram-rfc.el (sasl-scram-sha-1-steps)
+        (sasl-scram-sha-1-client-final-message)
+        (sasl-scram-sha-1-authenticate-server): Move to end of file.
+
 2015-02-23  Paul Eggert  <eggert@cs.ucla.edu>
 
         Fix the desired binding for comment-line
diff --git a/lisp/net/sasl-scram-rfc.el b/lisp/net/sasl-scram-rfc.el
index 6c8c00959b1..18d7a6bfa18 100644
--- a/lisp/net/sasl-scram-rfc.el
+++ b/lisp/net/sasl-scram-rfc.el
@@ -39,31 +39,9 @@
 
 (require 'cl-lib)
 (require 'sasl)
-
-;;; SCRAM-SHA-1
-
 (require 'hex-util)
 (require 'rfc2104)
 
-(defconst sasl-scram-sha-1-steps
-  '(sasl-scram-client-first-message
-    sasl-scram-sha-1-client-final-message
-    sasl-scram-sha-1-authenticate-server))
-
-(defun sasl-scram-sha-1-client-final-message (client step)
-  (sasl-scram--client-final-message
-   ;; HMAC-SHA1 uses block length 64 and hash length 20; see RFC 2104.
-   'sha1 64 20 client step))
-
-(defun sasl-scram-sha-1-authenticate-server (client step)
-  (sasl-scram--authenticate-server
-   'sha1 64 20 client step))
-
-(put 'sasl-scram-sha-1 'sasl-mechanism
-     (sasl-make-mechanism "SCRAM-SHA-1" sasl-scram-sha-1-steps))
-
-(provide 'sasl-scram-sha-1)
-
 ;;; Generic for SCRAM-*
 
 (defun sasl-scram-client-first-message (client _step)
@@ -156,5 +134,30 @@
    (t
     (sasl-error "Invalid response from server"))))
 
+;;; SCRAM-SHA-1
+
+(defconst sasl-scram-sha-1-steps
+  '(sasl-scram-client-first-message
+    sasl-scram-sha-1-client-final-message
+    sasl-scram-sha-1-authenticate-server))
+
+(defun sasl-scram-sha-1-client-final-message (client step)
+  (sasl-scram--client-final-message
+   ;; HMAC-SHA1 uses block length 64 and hash length 20; see RFC 2104.
+   'sha1 64 20 client step))
+
+(defun sasl-scram-sha-1-authenticate-server (client step)
+  (sasl-scram--authenticate-server
+   'sha1 64 20 client step))
+
+;; This needs to be at the end, because of how `sasl-make-mechanism'
+;; handles step function names.
+(put 'sasl-scram-sha-1 'sasl-mechanism
+     (sasl-make-mechanism "SCRAM-SHA-1" sasl-scram-sha-1-steps))
+
+(put 'sasl-scram-rfc 'sasl-mechanism (get 'sasl-scram-sha-1 'sasl-mechanism))
+
+(provide 'sasl-scram-sha-1)
+
 (provide 'sasl-scram-rfc)
 ;;; sasl-scram-rfc.el ends here
diff --git a/lisp/net/sasl.el b/lisp/net/sasl.el
index e59ed5d43aa..9321efdfda8 100644
--- a/lisp/net/sasl.el
+++ b/lisp/net/sasl.el
@@ -45,7 +45,7 @@
     ("LOGIN" sasl-login)
     ("ANONYMOUS" sasl-anonymous)
     ("NTLM" sasl-ntlm)
-    ("SCRAM-SHA-1" sasl-scram-sha-1)))
+    ("SCRAM-SHA-1" sasl-scram-rfc)))
 
 (defvar sasl-unique-id-function #'sasl-unique-id-function)