1 files changed, 48 insertions, 0 deletions
diff --git a/src/auth/mech-anonymous.c b/src/auth/mech-anonymous.c
new file mode 100644
index 0000000..fbbfccd
--- /dev/null
+++ b/src/auth/mech-anonymous.c
@@ -0,0 +1,48 @@
+/* Copyright (c) 2002-2018 Dovecot authors, see the included COPYING file */
+
+#include "auth-common.h"
+#include "mech.h"
+
+static void
+mech_anonymous_auth_continue(struct auth_request *request,
+			     const unsigned char *data, size_t data_size)
+{
+	i_assert(*request->set->anonymous_username != '\0');
+
+	if (request->set->verbose) {
+		/* temporarily set the user to the one that was given,
+		   so that the log message goes right */
+		auth_request_set_username_forced(request,
+			t_strndup(data, data_size));
+		e_info(request->mech_event, "login");
+	}
+
+	auth_request_set_username_forced(request,
+					 request->set->anonymous_username);
+
+	request->passdb_success = TRUE;
+	auth_request_success(request, "", 0);
+}
+
+static struct auth_request *mech_anonymous_auth_new(void)
+{
+        struct auth_request *request;
+	pool_t pool;
+
+	pool = pool_alloconly_create(MEMPOOL_GROWING"anonymous_auth_request", 2048);
+	request = p_new(pool, struct auth_request, 1);
+	request->pool = pool;
+	return request;
+}
+
+const struct mech_module mech_anonymous = {
+	"ANONYMOUS",
+
+	.flags = MECH_SEC_ANONYMOUS | MECH_SEC_ALLOW_NULS,
+	.passdb_need = MECH_PASSDB_NEED_NOTHING,
+
+	mech_anonymous_auth_new,
+	mech_generic_auth_initial,
+	mech_anonymous_auth_continue,
+	mech_generic_auth_free
+};