add upgraded support for nand flashing

[project/procd.git] / system.c

diff --git a/system.c b/system.c
index d5bf000..2110035 100644 (file)
--- a/system.c
+++ b/system.c
@@ -286,18 +286,63 @@ static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+enum {
+       NAND_FOLDER,
+       __NAND_MAX
+};
+
+static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
+       [NAND_FOLDER] = { .name = "folder", .type = BLOBMSG_TYPE_STRING },
+};
+
+static void
+procd_spawn_upgraded(char *folder)
+{
+       char *wdt_fd = watchdog_fd();
+       char *argv[] = { "/tmp/upgraded", NULL, NULL};
+
+       argv[1] = folder;
+
+       DEBUG(2, "Exec to upgraded now\n");
+       if (wdt_fd) {
+               watchdog_no_cloexec();
+               setenv("WDTFD", wdt_fd, 1);
+       }
+       execvp(argv[0], argv);
+}
+
+static int nand_set(struct ubus_context *ctx, struct ubus_object *obj,
+                       struct ubus_request_data *req, const char *method,
+                       struct blob_attr *msg)
+{
+       struct blob_attr *tb[__NAND_MAX];
+
+       if (!msg)
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       blobmsg_parse(nand_policy, __NAND_MAX, tb, blob_data(msg), blob_len(msg));
+       if (!tb[NAND_FOLDER])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       procd_spawn_upgraded(blobmsg_get_string(tb[NAND_FOLDER]));
+       fprintf(stderr, "Yikees, something went wrong. no /sbin/upgraded ?\n");
+       return 0;
+}
+
 static void
 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
 {
        notify = obj->has_subscribers;
 }
 
+
 static const struct ubus_method system_methods[] = {
        UBUS_METHOD_NOARG("board", system_board),
        UBUS_METHOD_NOARG("info",  system_info),
        UBUS_METHOD_NOARG("upgrade", system_upgrade),
        UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
        UBUS_METHOD("signal", proc_signal, signal_policy),
+       UBUS_METHOD("nandupgrade", nand_set, nand_policy),
 };
 
 static struct ubus_object_type system_object_type =