--- /dev/null
+/*
+ * luci-rpcd - LuCI UBUS RPC server
+ *
+ * Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include "iwinfo.h"
+
+static struct blob_buf buf;
+static const struct iwinfo_ops *iw;
+static const char *ifname;
+
+enum {
+ RPC_D_DEVICE,
+ __RPC_D_MAX,
+};
+
+static const struct blobmsg_policy rpc_device_policy[__RPC_D_MAX] = {
+ [RPC_D_DEVICE] = { .name = "device", .type = BLOBMSG_TYPE_STRING },
+};
+
+
+static int
+rpc_iwinfo_open(struct blob_attr *msg)
+{
+ static struct blob_attr *tb[__RPC_D_MAX];
+
+ blobmsg_parse(rpc_device_policy, __RPC_D_MAX, tb,
+ blob_data(msg), blob_len(msg));
+
+ if (!tb[RPC_D_DEVICE])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ ifname = blobmsg_data(tb[RPC_D_DEVICE]);
+ iw = iwinfo_backend(ifname);
+
+ return iw ? UBUS_STATUS_OK : UBUS_STATUS_NOT_FOUND;
+}
+
+static void
+rpc_iwinfo_call_int(const char *name, int (*func)(const char *, int *),
+ const char **map)
+{
+ int rv;
+
+ if (!func(ifname, &rv))
+ {
+ if (!map)
+ blobmsg_add_u32(&buf, name, rv);
+ else
+ blobmsg_add_string(&buf, name, map[rv]);
+ }
+}
+
+static void
+rpc_iwinfo_call_hardware_id(const char *name)
+{
+ struct iwinfo_hardware_id ids;
+ void *c;
+
+ if (!iw->hardware_id(ifname, (char *)&ids))
+ {
+ c = blobmsg_open_array(&buf, name);
+
+ blobmsg_add_u32(&buf, NULL, ids.vendor_id);
+ blobmsg_add_u32(&buf, NULL, ids.device_id);
+ blobmsg_add_u32(&buf, NULL, ids.subsystem_vendor_id);
+ blobmsg_add_u32(&buf, NULL, ids.subsystem_device_id);
+
+ blobmsg_close_array(&buf, c);
+ }
+}
+
+static void
+rpc_iwinfo_call_encryption(const char *name)
+{
+ struct iwinfo_crypto_entry crypto = { 0 };
+ void *c, *d;
+ int ciph;
+
+ if (!iw->encryption(ifname, (char *)&crypto))
+ {
+ c = blobmsg_open_table(&buf, name);
+
+ blobmsg_add_u8(&buf, "enabled", crypto.enabled);
+
+ if (crypto.enabled)
+ {
+ if (!crypto.wpa_version)
+ {
+ d = blobmsg_open_array(&buf, "wep");
+
+ if (crypto.auth_algs & IWINFO_AUTH_OPEN)
+ blobmsg_add_string(&buf, NULL, "open");
+
+ if (crypto.auth_algs & IWINFO_AUTH_SHARED)
+ blobmsg_add_string(&buf, NULL, "shared");
+
+ blobmsg_close_array(&buf, d);
+ }
+ else
+ {
+ d = blobmsg_open_array(&buf, "wpa");
+
+ if (crypto.wpa_version > 2)
+ {
+ blobmsg_add_u32(&buf, NULL, 1);
+ blobmsg_add_u32(&buf, NULL, 2);
+ }
+ else
+ {
+ blobmsg_add_u32(&buf, NULL, crypto.wpa_version);
+ }
+
+ blobmsg_close_array(&buf, d);
+
+
+ d = blobmsg_open_array(&buf, "authentication");
+
+ if (crypto.auth_suites & IWINFO_KMGMT_PSK)
+ blobmsg_add_string(&buf, NULL, "psk");
+
+ if (crypto.auth_suites & IWINFO_KMGMT_8021x)
+ blobmsg_add_string(&buf, NULL, "802.1x");
+
+ if (!crypto.auth_suites ||
+ (crypto.auth_suites & IWINFO_KMGMT_NONE))
+ blobmsg_add_string(&buf, NULL, "none");
+
+ blobmsg_close_array(&buf, d);
+ }
+
+ d = blobmsg_open_array(&buf, "ciphers");
+ ciph = crypto.pair_ciphers | crypto.group_ciphers;
+
+ if (ciph & IWINFO_CIPHER_WEP40)
+ blobmsg_add_string(&buf, NULL, "wep-40");
+
+ if (ciph & IWINFO_CIPHER_WEP104)
+ blobmsg_add_string(&buf, NULL, "wep-104");
+
+ if (ciph & IWINFO_CIPHER_TKIP)
+ blobmsg_add_string(&buf, NULL, "tkip");
+
+ if (ciph & IWINFO_CIPHER_CCMP)
+ blobmsg_add_string(&buf, NULL, "ccmp");
+
+ if (ciph & IWINFO_CIPHER_WRAP)
+ blobmsg_add_string(&buf, NULL, "wrap");
+
+ if (ciph & IWINFO_CIPHER_AESOCB)
+ blobmsg_add_string(&buf, NULL, "aes-ocb");
+
+ if (ciph & IWINFO_CIPHER_CKIP)
+ blobmsg_add_string(&buf, NULL, "ckip");
+
+ if (!ciph || (ciph & IWINFO_CIPHER_NONE))
+ blobmsg_add_string(&buf, NULL, "none");
+
+ blobmsg_close_array(&buf, d);
+ }
+
+ blobmsg_close_table(&buf, c);
+ }
+}
+
+static void
+rpc_iwinfo_call_hwmodes(const char *name)
+{
+ int modes;
+ void *c;
+
+ if (!iw->hwmodelist(ifname, &modes))
+ {
+ c = blobmsg_open_array(&buf, name);
+
+ if (modes & IWINFO_80211_A);
+ blobmsg_add_string(&buf, NULL, "a");
+
+ if (modes & IWINFO_80211_B);
+ blobmsg_add_string(&buf, NULL, "b");
+
+ if (modes & IWINFO_80211_G);
+ blobmsg_add_string(&buf, NULL, "g");
+
+ if (modes & IWINFO_80211_N);
+ blobmsg_add_string(&buf, NULL, "n");
+
+ blobmsg_close_array(&buf, c);
+ }
+}
+
+static void
+rpc_iwinfo_call_str(const char *name, int (*func)(const char *, char *))
+{
+ char rv[IWINFO_BUFSIZE] = { 0 };
+
+ if (!func(ifname, rv))
+ blobmsg_add_string(&buf, name, rv);
+}
+
+static int
+rpc_iwinfo_info(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ int rv;
+ void *c;
+
+ rv = rpc_iwinfo_open(msg);
+
+ if (rv)
+ return rv;
+
+ blob_buf_init(&buf, 0);
+
+ rpc_iwinfo_call_str("ssid", iw->ssid);
+ rpc_iwinfo_call_str("bssid", iw->bssid);
+ rpc_iwinfo_call_str("country", iw->country);
+
+ rpc_iwinfo_call_int("mode", iw->mode, IWINFO_OPMODE_NAMES);
+ rpc_iwinfo_call_int("channel", iw->channel, NULL);
+
+ rpc_iwinfo_call_int("frequency", iw->frequency, NULL);
+ rpc_iwinfo_call_int("frequency_offset", iw->frequency_offset, NULL);
+
+ rpc_iwinfo_call_int("txpower", iw->txpower, NULL);
+ rpc_iwinfo_call_int("txpower_offset", iw->txpower_offset, NULL);
+
+ rpc_iwinfo_call_int("quality", iw->quality, NULL);
+ rpc_iwinfo_call_int("quality_max", iw->quality_max, NULL);
+
+ rpc_iwinfo_call_int("signal", iw->signal, NULL);
+ rpc_iwinfo_call_int("noise", iw->noise, NULL);
+
+ rpc_iwinfo_call_int("bitrate", iw->bitrate, NULL);
+
+ rpc_iwinfo_call_encryption("encryption");
+ rpc_iwinfo_call_hwmodes("hwmodes");
+
+ c = blobmsg_open_table(&buf, "hardware");
+ rpc_iwinfo_call_hardware_id("id");
+ rpc_iwinfo_call_str("name", iw->hardware_name);
+ blobmsg_close_table(&buf, c);
+
+ ubus_send_reply(ctx, req, buf.head);
+
+ iw->close();
+
+ return UBUS_STATUS_OK;
+}
+
+
+int rpc_iwinfo_api_init(struct ubus_context *ctx)
+{
+ static const struct ubus_method iwinfo_methods[] = {
+ UBUS_METHOD("info", rpc_iwinfo_info, rpc_device_policy),
+ };
+
+ static struct ubus_object_type iwinfo_type =
+ UBUS_OBJECT_TYPE("luci-rpc-iwinfo", iwinfo_methods);
+
+ static struct ubus_object obj = {
+ .name = "iwinfo",
+ .type = &iwinfo_type,
+ .methods = iwinfo_methods,
+ .n_methods = ARRAY_SIZE(iwinfo_methods),
+ };
+
+ return ubus_add_object(ctx, &obj);
+}