plugins: module to load ell plugins

src/plugin.c

@@ -0,0 +1,93 @@
+/*
+ *
+ *  Wireless daemon for Linux
+ *
+ *  Copyright (C) 2017  Intel Corporation. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <fnmatch.h>
+
+#include <ell/ell.h>
+#include <ell/plugin.h>
+
+#include "src/builtin.h"
+#include "src/plugin.h"
+
+static bool check_plugin(struct l_plugin_desc *desc,
+						char **include, char **exclude)
+{
+	char *pattern;
+	unsigned int i;
+
+	if (!include)
+		goto check_blacklist;
+
+	for (i = 0; (pattern = include[i]); i++) {
+		if (fnmatch(pattern, desc->name, 0) != 0)
+			continue;
+
+		goto check_blacklist;
+	}
+
+	l_debug("whitelist filtered plugin: %s", desc->name);
+	return false;
+
+check_blacklist:
+	if (!exclude)
+		return true;
+
+	for (i = 0; (pattern = exclude[i]); i++) {
+		if (fnmatch(pattern, desc->name, 0) == 0) {
+			l_debug("blacklist filtered plugin: %s", desc->name);
+			return false;
+		}
+	}
+
+	return true;
+}
+
+int plugin_init(const char *include, const char *exclude)
+{
+	char **inc = NULL;
+	char **exc = NULL;
+	int i;
+
+	if (include)
+		inc = l_strsplit_set(include, ",");
+
+	if (exclude)
+		exc = l_strsplit_set(exclude, ",");
+
+	for (i = 0; __iwd_builtin[i]; i++) {
+		if (check_plugin(__iwd_builtin[i], inc, exc))
+			l_plugin_add(__iwd_builtin[i],
+					__iwd_builtin[i]->version);
+	}
+
+	l_plugin_load(NULL, NULL, NULL);
+
+	l_strfreev(inc);
+	l_strfreev(exc);
+
+	return 1;
+}
+
+void plugin_exit(void)
+{
+	l_plugin_unload();
+}

src/plugin.h

@@ -0,0 +1,24 @@
+/*
+ *
+ *  Wireless daemon for Linux
+ *
+ *  Copyright (C) 2017  Intel Corporation. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+int plugin_init(const char *include, const char *exclude);
+void plugin_exit(void);