dovecot-2.0: auth: Forgot to add mech-external.c in earlier commit.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/976a4c9ca6b6
changeset: 9380:976a4c9ca6b6
user:      Timo Sirainen <tss at iki.fi>
date:      Tue May 26 02:53:42 2009 -0400
description:
auth: Forgot to add mech-external.c in earlier commit.

diffstat:

1 file changed, 52 insertions(+)
src/auth/mech-external.c |   52 ++++++++++++++++++++++++++++++++++++++++++++++

diffs (56 lines):

diff -r 304238bbd36c -r 976a4c9ca6b6 src/auth/mech-external.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/auth/mech-external.c	Tue May 26 02:53:42 2009 -0400
@@ -0,0 +1,52 @@
+/* Copyright (c) 2009 Dovecot authors, see the included COPYING file */
+
+#include "auth-common.h"
+#include "passdb.h"
+#include "mech.h"
+#include "mech-plain-common.h"
+
+static void
+mech_external_auth_continue(struct auth_request *request,
+			    const unsigned char *data, size_t data_size)
+{
+	const char *authzid, *error;
+
+	authzid = t_strndup(data, data_size);
+	if (request->user == NULL) {
+		auth_request_log_info(request, "external",
+				      "username not known");
+		auth_request_fail(request);
+        } else if (*authzid != '\0' &&
+		   !auth_request_set_login_username(request, authzid, &error)) {
+		/* invalid login username */
+		auth_request_log_info(request, "plain",
+				      "login user: %s", error);
+		auth_request_fail(request);
+	} else {
+                auth_request_verify_plain(request, "",
+                                          plain_verify_callback);
+	}
+}
+
+static struct auth_request *mech_external_auth_new(void)
+{
+        struct auth_request *request;
+	pool_t pool;
+
+	pool = pool_alloconly_create("external_auth_request", 2048);
+	request = p_new(pool, struct auth_request, 1);
+	request->pool = pool;
+	return request;
+}
+
+const struct mech_module mech_external = {
+	"EXTERNAL",
+
+	MEMBER(flags) 0,
+	MEMBER(passdb_need) MECH_PASSDB_NEED_VERIFY_PLAIN,
+
+	mech_external_auth_new,
+	mech_generic_auth_initial,
+	mech_external_auth_continue,
+	mech_generic_auth_free
+};