npassd: init

1 files changed, 77 insertions, 0 deletions

diff --git a/src/npassd/service.c b/src/npassd/service.c
new file mode 100644
index 0000000..5628e45
--- /dev/null
+++ b/src/npassd/service.c
@@ -0,0 +1,77 @@
+#include <errno.h>
+#include <stdio.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 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_VTABLE_END,
+};
+
+static int handle_open_session(sd_bus_message *msg, void *data,
+			       sd_bus_error *ret_error)
+{
+	struct service *service = data;
+	int ret, session_slot_no;
+	char *algo;
+
+	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;
+	}
+
+	session_slot_no = session_slot_available(service->session, MAX_SESSION);
+	if (session_slot_no < 0) {
+		print_err("No free slot available: %s",
+			  strerror(-session_slot_no));
+		return ret;
+	}
+
+	ret = session_new(service->bus, &service->session[session_slot_no],
+			  session_slot_no);
+	if (ret < 0)
+		return ret;
+
+	return sd_bus_reply_method_return(
+		msg, "vs", "s", "", service->session[session_slot_no].path);
+}
+
+void service_free(struct service *service)
+{
+	for (int i = 0; i < MAX_SESSION; i++)
+		session_free(&service->session[i]);
+
+	sd_bus_slot_unref(service->slot);
+}
+
+int service_init(sd_bus *bus, struct service *service)
+{
+	int ret;
+
+	service->bus = bus;
+	session_init(service->session, MAX_SESSION);
+
+	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;
+}