rpcd: implement luci2.network.device_list to find names and types of all currently...

diff --git a/luci2/src/rpcd/luci2.c b/luci2/src/rpcd/luci2.c
index 121219da143d199e2bf248e8f04dff5f5cb6433e..a736dd87c7c9c62a7e3ffd2048ed515890dc95e4 100644 (file)
--- a/luci2/src/rpcd/luci2.c
+++ b/luci2/src/rpcd/luci2.c
@@ -2195,6 +2195,81 @@ rpc_luci2_network_ifdown(struct ubus_context *ctx, struct ubus_object *obj,
        return network_ifupdown(ctx, req, msg, false);
 }
 
+static int
+rpc_luci2_network_dev_list(struct ubus_context *ctx, struct ubus_object *obj,
+                           struct ubus_request_data *req, const char *method,
+                           struct blob_attr *msg)
+{
+       char path[PATH_MAX];
+       struct dirent *e;
+       struct stat s;
+       void *c, *t;
+       bool wireless, bridge, tuntap;
+       int type;
+       DIR *d;
+       FILE *f;
+
+       if (!(d = opendir("/sys/class/net")))
+               return rpc_errno_status();
+
+       blob_buf_init(&buf, 0);
+       c = blobmsg_open_array(&buf, "devices");
+
+       while ((e = readdir(d)) != NULL)
+       {
+               snprintf(path, sizeof(path) - 1, "/sys/class/net/%s/type", e->d_name);
+
+               if (stat(path, &s) || !S_ISREG(s.st_mode) || !(f = fopen(path, "r")))
+                       continue;
+
+               type = 1;
+               memset(path, 0, sizeof(path));
+
+               if (fread(path, 1, sizeof(path) - 1, f) > 0)
+                       type = atoi(path);
+
+               fclose(f);
+
+
+               snprintf(path, sizeof(path) - 1,
+                        "/sys/class/net/%s/wireless", e->d_name);
+
+               wireless = (!stat(path, &s) && S_ISDIR(s.st_mode));
+
+               snprintf(path, sizeof(path) - 1,
+                        "/sys/class/net/%s/phy80211", e->d_name);
+
+               wireless = (wireless || (!stat(path, &s) && S_ISLNK(s.st_mode)));
+
+               snprintf(path, sizeof(path) - 1,
+                        "/sys/class/net/%s/bridge", e->d_name);
+
+               bridge = (!stat(path, &s) && S_ISDIR(s.st_mode));
+
+               snprintf(path, sizeof(path) - 1,
+                        "/sys/class/net/%s/tun_flags", e->d_name);
+
+               tuntap = (!stat(path, &s) && S_ISREG(s.st_mode));
+
+               t = blobmsg_open_table(&buf, NULL);
+
+               blobmsg_add_string(&buf, "device", e->d_name);
+               blobmsg_add_u32(&buf, "type", type);
+               blobmsg_add_u8(&buf, "is_bridge", bridge);
+               blobmsg_add_u8(&buf, "is_tuntap", tuntap);
+               blobmsg_add_u8(&buf, "is_wireless", wireless);
+
+               blobmsg_close_table(&buf, t);
+       }
+
+       blobmsg_close_array(&buf, c);
+
+       closedir(d);
+
+       ubus_send_reply(ctx, req, buf.head);
+       return 0;
+}
+
 
 struct opkg_state {
        int cur_offset;
@@ -2698,7 +2773,8 @@ rpc_luci2_api_init(const struct rpc_daemon_ops *o, struct ubus_context *ctx)
                UBUS_METHOD("ifup",                  rpc_luci2_network_ifup,
                                                     rpc_data_policy),
                UBUS_METHOD("ifdown",                rpc_luci2_network_ifdown,
-                                                    rpc_data_policy)
+                                                    rpc_data_policy),
+               UBUS_METHOD_NOARG("device_list",     rpc_luci2_network_dev_list)
        };
 
        static struct ubus_object_type luci2_network_type =