path: root/src/npassd/service.c

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <systemd/sd-bus.h>

#include "npassd/common.h"
#include "npassd/service.h"
#include "util.h"

#define SERVICE_IFACE "org.freedesktop.Secret.Service"

static int handle_open_session(sd_bus_message *msg, void *data,
			       sd_bus_error *ret_error);
static int handle_search_items(sd_bus_message *msg, void *data,
			       sd_bus_error *ret_error);

static const sd_bus_vtable service_vtable[] = {
	SD_BUS_VTABLE_START(0),
	SD_BUS_METHOD("OpenSession", "sv", "vo", handle_open_session,
		      SD_BUS_VTABLE_UNPRIVILEGED),
	SD_BUS_METHOD("SearchItems", "a{ss}", "aoao", handle_search_items,
		      SD_BUS_VTABLE_UNPRIVILEGED),
	SD_BUS_VTABLE_END,
};

static int handle_search_items(__attribute__((unused)) sd_bus_message *msg,
			       __attribute__((unused)) void *data,
			       __attribute__((unused)) sd_bus_error *ret_error)
{
	return sd_bus_reply_method_return(msg, "aoao", 0, 0);
}

static int handle_open_session(sd_bus_message *msg, void *data,
			       sd_bus_error *ret_error)
{
	struct service *service = data;
	struct session *session;
	const char *sender;
	char *algo;
	int ret;

	ret = sd_bus_message_read(msg, "s", &algo);
	if (ret < 0)
		return ret;

	ret = strcmp(algo, "plain");
	if (ret) {
		sd_bus_error_set_const(ret_error, SD_BUS_ERROR_NOT_SUPPORTED,
				       "Unsupported encryption algorithm");
		return -ENOTSUP;
	}

	sender = sd_bus_message_get_sender(msg);
	ret = session_new(service->bus, &session, sender);
	if (ret < 0)
		return ret;

	LIST_INSERT_HEAD(&service->sessions, session, dlist);
	return sd_bus_reply_method_return(msg, "vo", "s", NULL, session->path);
}

void service_free(struct service *service)
{
	struct session *p;

	LIST_FOREACH(p, &service->sessions, dlist)
	session_free(p);

	sd_bus_slot_unref(service->slot);
}

int service_init(sd_bus *bus, struct service *service)
{
	int ret;

	service->bus = bus;
	LIST_INIT(&service->sessions);

	ret = sd_bus_add_object_vtable(service->bus, &service->slot,
				       DBUS_OBJECT_PATH, SERVICE_IFACE,
				       service_vtable, service);
	if (ret < 0)
		print_err("Failed to connect to bus: %s", strerror(-ret));

	return ret;
}