only build upgraded on mips

[project/procd.git] / system.c

diff --git a/system.c b/system.c
index 0b3c466..2dbed51 100644 (file)
--- a/system.c
+++ b/system.c
@@ -25,9 +25,12 @@
 
 #include "procd.h"
 #include "watchdog.h"
-#include "hotplug.h"
 
 static struct blob_buf b;
+static int notify;
+static struct ubus_context *_ctx;
+
+int upgrade_running = 0;
 
 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
                  struct ubus_request_data *req, const char *method,
@@ -187,10 +190,7 @@ static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
                        struct ubus_request_data *req, const char *method,
                        struct blob_attr *msg)
 {
-       procd_reconnect_ubus(0);
-       log_shutdown();
-       hotplug_shutdown();
-
+       upgrade_running = 1;
        return 0;
 }
 
@@ -263,7 +263,7 @@ enum {
        __SIGNAL_MAX
 };
 
-static const struct blobmsg_policy signal_policy[__WDT_MAX] = {
+static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
        [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
        [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
 };
@@ -286,12 +286,65 @@ static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
        return 0;
 }
 
+enum {
+       NAND_PATH,
+       __NAND_MAX
+};
+
+static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
+       [NAND_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
+};
+
+static void
+procd_spawn_upgraded(char *path)
+{
+       char *wdt_fd = watchdog_fd();
+       char *argv[] = { "/tmp/upgraded", NULL, NULL};
+
+       argv[1] = path;
+
+       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_PATH])
+               return UBUS_STATUS_INVALID_ARGUMENT;
+
+       procd_spawn_upgraded(blobmsg_get_string(tb[NAND_PATH]));
+       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),
+
+       /* must remain at the end as it ia not always loaded */
+       UBUS_METHOD("nandupgrade", nand_set, nand_policy),
 };
 
 static struct ubus_object_type system_object_type =
@@ -302,12 +355,31 @@ static struct ubus_object system_object = {
        .type = &system_object_type,
        .methods = system_methods,
        .n_methods = ARRAY_SIZE(system_methods),
+       .subscribe_cb = procd_subscribe_cb,
 };
 
+void
+procd_bcast_event(char *event, struct blob_attr *msg)
+{
+       int ret;
+
+       if (!notify)
+               return;
+
+       ret = ubus_notify(_ctx, &system_object, event, msg, -1);
+       if (ret)
+               fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
+}
+
 void ubus_init_system(struct ubus_context *ctx)
 {
+       struct stat s;
        int ret;
 
+       if (stat("/sbin/upgraded", &s))
+               system_object.n_methods -= 1;
+
+       _ctx = ctx;
        ret = ubus_add_object(ctx, &system_object);
        if (ret)
                ERROR("Failed to add object: %s\n", ubus_strerror(ret));