From 7c67f70b684870920af46c1561eedc475c4ad31f Mon Sep 17 00:00:00 2001
From: Johan Hedberg <johan.hedberg@nokia.com>
Date: Fri, 16 May 2008 10:19:23 +0000
Subject: Implement support for disabling specific plugins from loading

---
 hcid/hcid.h   |  2 +-
 hcid/main.c   | 25 ++++++++++++++++++++++++-
 hcid/plugin.c | 36 +++++++++++++++++++++++++++++++++++-
 3 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/hcid/hcid.h b/hcid/hcid.h
index 6d28bb67..099357f0 100644
--- a/hcid/hcid.h
+++ b/hcid/hcid.h
@@ -212,7 +212,7 @@ GSList *list_trusts(bdaddr_t *local, const char *service);
 int write_device_profiles(bdaddr_t *src, bdaddr_t *dst, const char *profiles);
 int delete_entry(bdaddr_t *src, const char *storage, const char *key);
 
-gboolean plugin_init(void);
+gboolean plugin_init(GKeyFile *config);
 void plugin_cleanup(void);
 void __probe_servers(const char *adapter);
 void __remove_servers(const char *adapter);
diff --git a/hcid/main.c b/hcid/main.c
index 980afec2..1afd3475 100644
--- a/hcid/main.c
+++ b/hcid/main.c
@@ -64,6 +64,23 @@ struct device_opts *parser_device;
 static struct device_list *device_list = NULL;
 static int child_pipe[2];
 
+static GKeyFile *load_config(const char *file)
+{
+	GError *err = NULL;
+	GKeyFile *keyfile;
+
+	keyfile = g_key_file_new();
+
+	if (!g_key_file_load_from_file(keyfile, file, 0, &err)) {
+		error("Parsing %s failed: %s", file, err->message);
+		g_error_free(err);
+		g_key_file_free(keyfile);
+		return NULL;
+	}
+
+	return keyfile;
+}
+
 static inline void init_device_defaults(struct device_opts *device_opts)
 {
 	memset(device_opts, 0, sizeof(*device_opts));
@@ -769,6 +786,7 @@ int main(int argc, char *argv[])
 	GIOChannel *ctl_io, *child_io;
 	uint16_t mtu = 0;
 	int opt, daemonize = 1, debug = 0, sdp = 1, experimental = 0;
+	GKeyFile *config;
 
 	/* Default HCId settings */
 	memset(&hcid, 0, sizeof(hcid));
@@ -871,6 +889,8 @@ int main(int argc, char *argv[])
 		exit(1);
 	}
 
+	config = load_config(CONFIGDIR "/main.conf");
+
 	if (read_config(hcid.config_file) < 0)
 		error("Config load failed");
 
@@ -920,7 +940,7 @@ int main(int argc, char *argv[])
 	 * the plugins might wanna expose some paths on the bus. However the
 	 * best order of how to init various subsystems of the Bluetooth
 	 * daemon needs to be re-worked. */
-	plugin_init();
+	plugin_init(config);
 
 	/* Start event processor */
 	g_main_loop_run(event_loop);
@@ -939,6 +959,9 @@ int main(int argc, char *argv[])
 
 	g_main_loop_unref(event_loop);
 
+	if (config)
+		g_key_file_free(config);
+
 	info("Exit");
 
 	stop_logging();
diff --git a/hcid/plugin.c b/hcid/plugin.c
index f99966bf..acebed61 100644
--- a/hcid/plugin.c
+++ b/hcid/plugin.c
@@ -64,10 +64,39 @@ static gboolean add_plugin(GModule *module, struct bluetooth_plugin_desc *desc)
 	return TRUE;
 }
 
-gboolean plugin_init(void)
+static gboolean is_disabled(const char *name, char **list)
+{
+	int i;
+
+	for (i = 0; list[i] != NULL; i++) {
+		char *str;
+		gboolean equal;
+
+		str = g_strdup_printf("lib%s.so", list[i]);
+
+		equal = g_str_equal(str, name);
+
+		g_free(str);
+
+		if (equal)
+			return TRUE;
+	}
+
+	return FALSE;
+}
+
+gboolean plugin_init(GKeyFile *config)
 {
 	GDir *dir;
 	const gchar *file;
+	gchar **disabled;
+
+	if (config)
+		disabled = g_key_file_get_string_list(config, "General",
+							"DisablePlugins",
+							NULL, NULL);
+	else
+		disabled = NULL;
 
 	debug("Loading plugins %s", PLUGINDIR);
 
@@ -85,6 +114,9 @@ gboolean plugin_init(void)
 				g_str_has_suffix(file, ".so") == FALSE)
 			continue;
 
+		if (disabled && is_disabled(file, disabled))
+			continue;
+
 		filename = g_build_filename(PLUGINDIR, file, NULL);
 
 		if (stat(filename, &st) < 0) {
@@ -125,6 +157,8 @@ gboolean plugin_init(void)
 
 	g_dir_close(dir);
 
+	g_strfreev(disabled);
+
 	return TRUE;
 }
 
-- 
cgit