diff options
Diffstat (limited to 'hcid/dbus-security.c')
| -rw-r--r-- | hcid/dbus-security.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/hcid/dbus-security.c b/hcid/dbus-security.c index f3bf47c4..eec34272 100644 --- a/hcid/dbus-security.c +++ b/hcid/dbus-security.c @@ -27,3 +27,162 @@ #include <stdio.h> #include <errno.h> + +#include <dbus/dbus.h> + +#include "dbus.h" +#include "dbus-error.h" +#include "dbus-common.h" + +static struct passkey_agent *default_agent = NULL; + +static const struct service_data sec_services[] = { + { "RegisterDefault", register_default_agent }, + { "UnregisterDefault", unregister_default_agent }, + { NULL, NULL } +}; + +static void default_agent_exited(const char *name, void *data) +{ + debug("%s exited without unregistering the default passkey agent", name); + + if (!default_agent || strcmp(name, default_agent->name)) { + /* This should never happen (there's a bug in the code if it does */ + debug("default_agent_exited: mismatch with actual default_agent"); + return; + } + + free(default_agent->path); + free(default_agent->name); + free(default_agent); + default_agent = NULL; +} + +static DBusHandlerResult register_default_agent(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + char *path; + DBusMessage *reply; + + if (default_agent) { + reply = error_passkey_agent_already_exists(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + goto done; + } + + if (!dbus_message_get_args(msg, NULL, + DBUS_TYPE_STRING, &path, + DBUS_TYPE_INVALID)) { + reply = error_invalid_arguments(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + goto done; + } + + default_agent = malloc(sizeof(struct passkey_agent)); + if (!default_agent) + goto need_memory; + + memset(default_agent, 0, sizeof(struct passkey_agent)); + + default_agent->name = strdup(dbus_message_get_sender(msg)); + if (!default_agent->name) + goto need_memory; + + default_agent->path = strdup(path); + if (!default_agent->path) + goto need_memory; + + reply = dbus_message_new_method_return(); + if (!reply) + goto need_memory; + + name_listener_add(conn, default_agent->name, + (name_cb_t)default_agent_exited, NULL); + + info("Default passkey agent (%s, %s) registered", + default_agent->name, default_agent->path); + +done: + dbus_connection_send(conn, reply, NULL); + dbus_message_unref(reply); + + return DBUS_HANDLER_RESULT_HANDLED; + +need_memory: + if (default_agent) { + if (default_agent->name) + free(default_agent->name); + if (default_agent->path) + free(default_agent->path); + free(default_agent); + default_agent = NULL; + } + + return DBUS_HANDLER_RESULT_NEED_MEMORY; +} + +static DBusHandlerResult unregister_default_agent(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + DBusMessage *reply; + char *name, *path; + + if (!default_agent) { + reply = error_does_not_exist(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + goto done; + } + + if (!dbus_message_get_args(msg, NULL, + DBUS_TYPE_STRING, &path, + DBUS_TYPE_INVALID)) { + reply = error_invalid_arguments(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + goto done; + } + + if (strcmp(name, default_agent->name) || strcmp(path, default_agent->path)) { + reply = error_does_not_exist(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + goto done; + } + + reply = dbus_message_new_method_return(msg); + if (!reply) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + + name_listener_remove(conn, default_agent->name, + (name_cb_t)default_agent_exited, NULL); + + info("Default passkey agent (%s, %s) unregistered", + default_agent->name, default_agent->path); + + free(default_agent->path); + free(default_agent->name); + free(default_agent); + default_agent = NULL; + +done: + dbus_connection_send(conn, reply, NULL); + dbus_message_unref(reply); + + return DBUS_HANDLER_RESULT_HANDLED; +} + +DBusHandlerResult handle_security_method(DBusConnection *conn, DBusMessage *msg, void *data) +{ + service_handler_func_t *handler; + + handler = find_service_handler(sec_services, msg); + + if (handler) + return handler(conn, msg, data); + + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; +} + |