From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Sat, 18 Mar 2023 14:07:28 +0000 (+0100)
Subject: auth: auth-sasl - Copy global mechanism registration code from mech.c
X-Git-Tag: 2.4.2~306
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa3ffbbaacd65589c5a4a6f4a516e2ee0faec9f2;p=thirdparty%2Fdovecot%2Fcore.git

auth: auth-sasl - Copy global mechanism registration code from mech.c
---

diff --git a/src/auth/auth-sasl.c b/src/auth/auth-sasl.c
new file mode 100644
index 0000000000..192efeaba8
--- /dev/null
+++ b/src/auth/auth-sasl.c
@@ -0,0 +1,56 @@
+/* Copyright (c) 2023 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "auth.h"
+#include "auth-common.h"
+#include "auth-sasl.h"
+
+/*
+ * Mechanisms
+ */
+
+struct mech_module_list {
+	struct mech_module_list *next;
+
+	struct mech_module module;
+};
+
+static struct mech_module_list *mech_modules;
+
+void mech_register_module(const struct mech_module *module)
+{
+	struct mech_module_list *list;
+	i_assert(strcmp(module->mech_name, t_str_ucase(module->mech_name)) == 0);
+
+	list = i_new(struct mech_module_list, 1);
+	list->module = *module;
+
+	list->next = mech_modules;
+	mech_modules = list;
+}
+
+void mech_unregister_module(const struct mech_module *module)
+{
+	struct mech_module_list **pos, *list;
+
+	for (pos = &mech_modules; *pos != NULL; pos = &(*pos)->next) {
+		if (strcmp((*pos)->module.mech_name, module->mech_name) == 0) {
+			list = *pos;
+			*pos = (*pos)->next;
+			i_free(list);
+			break;
+		}
+	}
+}
+
+const struct mech_module *mech_module_find(const char *name)
+{
+	struct mech_module_list *list;
+	name = t_str_ucase(name);
+
+	for (list = mech_modules; list != NULL; list = list->next) {
+		if (strcmp(list->module.mech_name, name) == 0)
+			return &list->module;
+	}
+	return NULL;
+}
diff --git a/src/auth/auth-sasl.h b/src/auth/auth-sasl.h
new file mode 100644
index 0000000000..397a9125b3
--- /dev/null
+++ b/src/auth/auth-sasl.h
@@ -0,0 +1,26 @@
+#ifndef AUTH_SASL_H
+#define AUTH_SASL_H
+
+struct mech_module {
+	const char *mech_name;
+
+	enum mech_security_flags flags;
+	enum mech_passdb_need passdb_need;
+
+	struct auth_request *(*auth_new)(void);
+	void (*auth_initial)(struct auth_request *request,
+			     const unsigned char *data, size_t data_size);
+	void (*auth_continue)(struct auth_request *request,
+			      const unsigned char *data, size_t data_size);
+	void (*auth_free)(struct auth_request *request);
+};
+
+/*
+ * Mechanisms
+ */
+
+void mech_register_module(const struct mech_module *module);
+void mech_unregister_module(const struct mech_module *module);
+const struct mech_module *mech_module_find(const char *name);
+
+#endif