network/services/hostapd: move whole files outside of patches and drop Build/Prepare rule in favor of default one

This more of a demo for the previous commit that comes with
this one, where I added support for copying source from 'src' to
the build dir(s).

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
owl
Alexandru Ardelean 2016-10-05 17:42:47 +03:00 committed by John Crispin
parent 7c8c3226dc
commit 58cf9a2476
5 changed files with 631 additions and 640 deletions

View File

@ -60,23 +60,3 @@
goto out;
case 'W':
params.wait_for_monitor++;
--- /dev/null
+++ b/src/utils/build_features.h
@@ -0,0 +1,17 @@
+#ifndef BUILD_FEATURES_H
+#define BUILD_FEATURES_H
+
+static inline int has_feature(const char *feat)
+{
+#ifdef IEEE8021X_EAPOL
+ if (!strcmp(feat, "eap"))
+ return 1;
+#endif
+#ifdef IEEE80211N
+ if (!strcmp(feat, "11n"))
+ return 1;
+#endif
+ return 0;
+}
+
+#endif /* BUILD_FEATURES_H */

View File

@ -39,626 +39,6 @@
enum hostapd_iface_state {
HAPD_IFACE_UNINITIALIZED,
HAPD_IFACE_DISABLED,
--- /dev/null
+++ b/src/ap/ubus.c
@@ -0,0 +1,536 @@
+/*
+ * hostapd / ubus support
+ * Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "hostapd.h"
+#include "wps_hostapd.h"
+#include "sta_info.h"
+#include "ubus.h"
+#include "ap_drv_ops.h"
+#include "beacon.h"
+
+static struct ubus_context *ctx;
+static struct blob_buf b;
+static int ctx_ref;
+
+static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj)
+{
+ return container_of(obj, struct hostapd_data, ubus.obj);
+}
+
+
+struct ubus_banned_client {
+ struct avl_node avl;
+ u8 addr[ETH_ALEN];
+};
+
+static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct ubus_context *ctx = eloop_ctx;
+ ubus_handle_event(ctx);
+}
+
+static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx)
+{
+ if (ubus_reconnect(ctx, NULL)) {
+ eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
+ return;
+ }
+
+ eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
+}
+
+static void hostapd_ubus_connection_lost(struct ubus_context *ctx)
+{
+ eloop_unregister_read_sock(ctx->sock.fd);
+ eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
+}
+
+static bool hostapd_ubus_init(void)
+{
+ if (ctx)
+ return true;
+
+ ctx = ubus_connect(NULL);
+ if (!ctx)
+ return false;
+
+ ctx->connection_lost = hostapd_ubus_connection_lost;
+ eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
+ return true;
+}
+
+static void hostapd_ubus_ref_inc(void)
+{
+ ctx_ref++;
+}
+
+static void hostapd_ubus_ref_dec(void)
+{
+ ctx_ref--;
+ if (!ctx)
+ return;
+
+ if (ctx_ref)
+ return;
+
+ eloop_unregister_read_sock(ctx->sock.fd);
+ ubus_free(ctx);
+ ctx = NULL;
+}
+
+void hostapd_ubus_add_iface(struct hostapd_iface *iface)
+{
+ if (!hostapd_ubus_init())
+ return;
+}
+
+void hostapd_ubus_free_iface(struct hostapd_iface *iface)
+{
+ if (!ctx)
+ return;
+}
+
+static void
+hostapd_bss_del_ban(void *eloop_data, void *user_ctx)
+{
+ struct ubus_banned_client *ban = eloop_data;
+ struct hostapd_data *hapd = user_ctx;
+
+ avl_delete(&hapd->ubus.banned, &ban->avl);
+ free(ban);
+}
+
+static void
+hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time)
+{
+ struct ubus_banned_client *ban;
+
+ if (time < 0)
+ time = 0;
+
+ ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
+ if (!ban) {
+ if (!time)
+ return;
+
+ ban = os_zalloc(sizeof(*ban));
+ memcpy(ban->addr, addr, sizeof(ban->addr));
+ ban->avl.key = ban->addr;
+ avl_insert(&hapd->ubus.banned, &ban->avl);
+ } else {
+ eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd);
+ if (!time) {
+ hostapd_bss_del_ban(ban, hapd);
+ return;
+ }
+ }
+
+ eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd);
+}
+
+static int
+hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct sta_info *sta;
+ void *list, *c;
+ char mac_buf[20];
+ static const struct {
+ const char *name;
+ uint32_t flag;
+ } sta_flags[] = {
+ { "auth", WLAN_STA_AUTH },
+ { "assoc", WLAN_STA_ASSOC },
+ { "authorized", WLAN_STA_AUTHORIZED },
+ { "preauth", WLAN_STA_PREAUTH },
+ { "wds", WLAN_STA_WDS },
+ { "wmm", WLAN_STA_WMM },
+ { "ht", WLAN_STA_HT },
+ { "vht", WLAN_STA_VHT },
+ { "wps", WLAN_STA_WPS },
+ { "mfp", WLAN_STA_MFP },
+ };
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_u32(&b, "freq", hapd->iface->freq);
+ list = blobmsg_open_table(&b, "clients");
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ int i;
+
+ sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
+ c = blobmsg_open_table(&b, mac_buf);
+ for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
+ blobmsg_add_u8(&b, sta_flags[i].name,
+ !!(sta->flags & sta_flags[i].flag));
+ blobmsg_add_u32(&b, "aid", sta->aid);
+ blobmsg_close_table(&b, c);
+ }
+ blobmsg_close_array(&b, list);
+ ubus_send_reply(ctx, req, b.head);
+
+ return 0;
+}
+
+enum {
+ DEL_CLIENT_ADDR,
+ DEL_CLIENT_REASON,
+ DEL_CLIENT_DEAUTH,
+ DEL_CLIENT_BAN_TIME,
+ __DEL_CLIENT_MAX
+};
+
+static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
+ [DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
+ [DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
+ [DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
+ [DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
+};
+
+static int
+hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct blob_attr *tb[__DEL_CLIENT_MAX];
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct sta_info *sta;
+ bool deauth = false;
+ int reason;
+ u8 addr[ETH_ALEN];
+
+ blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
+
+ if (!tb[DEL_CLIENT_ADDR])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (tb[DEL_CLIENT_REASON])
+ reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
+
+ if (tb[DEL_CLIENT_DEAUTH])
+ deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta) {
+ if (deauth) {
+ hostapd_drv_sta_deauth(hapd, addr, reason);
+ ap_sta_deauthenticate(hapd, sta, reason);
+ } else {
+ hostapd_drv_sta_disassoc(hapd, addr, reason);
+ ap_sta_disassociate(hapd, sta, reason);
+ }
+ }
+
+ if (tb[DEL_CLIENT_BAN_TIME])
+ hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
+
+ return 0;
+}
+
+static void
+blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
+{
+ char *s;
+
+ s = blobmsg_alloc_string_buffer(buf, name, 20);
+ sprintf(s, MACSTR, MAC2STR(addr));
+ blobmsg_add_string_buffer(buf);
+}
+
+static int
+hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct ubus_banned_client *ban;
+ void *c;
+
+ blob_buf_init(&b, 0);
+ c = blobmsg_open_array(&b, "clients");
+ avl_for_each_element(&hapd->ubus.banned, ban, avl)
+ blobmsg_add_macaddr(&b, NULL, ban->addr);
+ blobmsg_close_array(&b, c);
+ ubus_send_reply(ctx, req, b.head);
+
+ return 0;
+}
+
+static int
+hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ int rc;
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+
+ rc = hostapd_wps_button_pushed(hapd, NULL);
+
+ if (rc != 0)
+ return UBUS_STATUS_NOT_SUPPORTED;
+
+ return 0;
+}
+
+static int
+hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ int rc;
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+
+ rc = hostapd_wps_cancel(hapd);
+
+ if (rc != 0)
+ return UBUS_STATUS_NOT_SUPPORTED;
+
+ return 0;
+}
+
+static int
+hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ int rc;
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+
+ rc = ieee802_11_set_beacon(hapd);
+
+ if (rc != 0)
+ return UBUS_STATUS_NOT_SUPPORTED;
+
+ return 0;
+}
+
+enum {
+ CSA_FREQ,
+ CSA_BCN_COUNT,
+ __CSA_MAX
+};
+
+static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
+ /*
+ * for now, frequency and beacon count are enough, add more
+ * parameters on demand
+ */
+ [CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
+ [CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
+};
+
+#ifdef NEED_AP_MLME
+static int
+hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct blob_attr *tb[__CSA_MAX];
+ struct hostapd_data *hapd = get_hapd_from_object(obj);
+ struct csa_settings css;
+
+ blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
+
+ if (!tb[CSA_FREQ])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ memset(&css, 0, sizeof(css));
+ css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
+ if (tb[CSA_BCN_COUNT])
+ css.cs_count = blobmsg_get_u32(tb[CSA_BCN_COUNT]);
+
+ if (hostapd_switch_channel(hapd, &css) != 0)
+ return UBUS_STATUS_NOT_SUPPORTED;
+ return UBUS_STATUS_OK;
+}
+#endif
+
+enum {
+ VENDOR_ELEMENTS,
+ __VENDOR_ELEMENTS_MAX
+};
+
+static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
+ /* vendor elements are provided as hex-string */
+ [VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
+};
+
+static int
+hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *req, const char *method,
+ struct blob_attr *msg)
+{
+ struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
+ struct hostapd_data *hapd = get_hapd_from_object(obj);
+ struct hostapd_bss_config *bss = hapd->conf;
+ struct wpabuf *elems;
+ const char *pos;
+ size_t len;
+
+ blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
+ blob_data(msg), blob_len(msg));
+
+ if (!tb[VENDOR_ELEMENTS])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
+ len = os_strlen(pos);
+ if (len & 0x01)
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ len /= 2;
+ if (len == 0) {
+ wpabuf_free(bss->vendor_elements);
+ bss->vendor_elements = NULL;
+ return 0;
+ }
+
+ elems = wpabuf_alloc(len);
+ if (elems == NULL)
+ return 1;
+
+ if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
+ wpabuf_free(elems);
+ return UBUS_STATUS_INVALID_ARGUMENT;
+ }
+
+ wpabuf_free(bss->vendor_elements);
+ bss->vendor_elements = elems;
+
+ /* update beacons if vendor elements were set successfully */
+ if (ieee802_11_update_beacons(hapd->iface) != 0)
+ return UBUS_STATUS_NOT_SUPPORTED;
+ return UBUS_STATUS_OK;
+}
+
+static const struct ubus_method bss_methods[] = {
+ UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
+ UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
+ UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
+ UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
+ UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
+ UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
+#ifdef NEED_AP_MLME
+ UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
+#endif
+ UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
+};
+
+static struct ubus_object_type bss_object_type =
+ UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
+
+static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
+{
+ return memcmp(k1, k2, ETH_ALEN);
+}
+
+void hostapd_ubus_add_bss(struct hostapd_data *hapd)
+{
+ struct ubus_object *obj = &hapd->ubus.obj;
+ char *name;
+ int ret;
+
+ if (!hostapd_ubus_init())
+ return;
+
+ if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
+ return;
+
+ avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
+ obj->name = name;
+ obj->type = &bss_object_type;
+ obj->methods = bss_object_type.methods;
+ obj->n_methods = bss_object_type.n_methods;
+ ret = ubus_add_object(ctx, obj);
+ hostapd_ubus_ref_inc();
+}
+
+void hostapd_ubus_free_bss(struct hostapd_data *hapd)
+{
+ struct ubus_object *obj = &hapd->ubus.obj;
+ char *name = (char *) obj->name;
+
+ if (!ctx)
+ return;
+
+ if (obj->id) {
+ ubus_remove_object(ctx, obj);
+ hostapd_ubus_ref_dec();
+ }
+
+ free(name);
+}
+
+struct ubus_event_req {
+ struct ubus_notify_request nreq;
+ bool deny;
+};
+
+static void
+ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
+{
+ struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
+
+ if (ret)
+ ureq->deny = true;
+}
+
+int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
+{
+ struct ubus_banned_client *ban;
+ const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
+ [HOSTAPD_UBUS_PROBE_REQ] = "probe",
+ [HOSTAPD_UBUS_AUTH_REQ] = "auth",
+ [HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
+ };
+ const char *type = "mgmt";
+ struct ubus_event_req ureq = {};
+ const u8 *addr;
+
+ if (req->mgmt_frame)
+ addr = req->mgmt_frame->sa;
+ else
+ addr = req->addr;
+
+ ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
+ if (ban)
+ return -2;
+
+ if (!hapd->ubus.obj.has_subscribers)
+ return 0;
+
+ if (req->type < ARRAY_SIZE(types))
+ type = types[req->type];
+
+ blob_buf_init(&b, 0);
+ blobmsg_add_macaddr(&b, "address", addr);
+ if (req->mgmt_frame)
+ blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
+ if (req->frame_info)
+ blobmsg_add_u32(&b, "signal", req->frame_info->ssi_signal);
+ blobmsg_add_u32(&b, "freq", hapd->iface->freq);
+
+ if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
+ return 0;
+
+ ureq.nreq.status_cb = ubus_event_cb;
+ ubus_complete_request(ctx, &ureq.nreq.req, 100);
+
+ if (ureq.deny)
+ return -1;
+
+ return 0;
+}
--- /dev/null
+++ b/src/ap/ubus.h
@@ -0,0 +1,78 @@
+/*
+ * hostapd / ubus support
+ * Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+#ifndef __HOSTAPD_UBUS_H
+#define __HOSTAPD_UBUS_H
+
+enum hostapd_ubus_event_type {
+ HOSTAPD_UBUS_PROBE_REQ,
+ HOSTAPD_UBUS_AUTH_REQ,
+ HOSTAPD_UBUS_ASSOC_REQ,
+ HOSTAPD_UBUS_TYPE_MAX
+};
+
+struct hostapd_ubus_request {
+ enum hostapd_ubus_event_type type;
+ const struct ieee80211_mgmt *mgmt_frame;
+ const struct hostapd_frame_info *frame_info;
+ const u8 *addr;
+};
+
+struct hostapd_iface;
+struct hostapd_data;
+
+#ifdef UBUS_SUPPORT
+
+#include <libubox/avl.h>
+#include <libubus.h>
+
+struct hostapd_ubus_iface {
+ struct ubus_object obj;
+};
+
+struct hostapd_ubus_bss {
+ struct ubus_object obj;
+ struct avl_tree banned;
+};
+
+void hostapd_ubus_add_iface(struct hostapd_iface *iface);
+void hostapd_ubus_free_iface(struct hostapd_iface *iface);
+void hostapd_ubus_add_bss(struct hostapd_data *hapd);
+void hostapd_ubus_free_bss(struct hostapd_data *hapd);
+
+int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req);
+
+#else
+
+struct hostapd_ubus_iface {};
+
+struct hostapd_ubus_bss {};
+
+static inline void hostapd_ubus_add_iface(struct hostapd_iface *iface)
+{
+}
+
+static inline void hostapd_ubus_free_iface(struct hostapd_iface *iface)
+{
+}
+
+static inline void hostapd_ubus_add_bss(struct hostapd_data *hapd)
+{
+}
+
+static inline void hostapd_ubus_free_bss(struct hostapd_data *hapd)
+{
+}
+
+static inline int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
+{
+ return 0;
+}
+
+#endif
+
+#endif
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -284,6 +284,7 @@ static void hostapd_free_hapd_data(struc

View File

@ -0,0 +1,536 @@
/*
* hostapd / ubus support
* Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "hostapd.h"
#include "wps_hostapd.h"
#include "sta_info.h"
#include "ubus.h"
#include "ap_drv_ops.h"
#include "beacon.h"
static struct ubus_context *ctx;
static struct blob_buf b;
static int ctx_ref;
static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj)
{
return container_of(obj, struct hostapd_data, ubus.obj);
}
struct ubus_banned_client {
struct avl_node avl;
u8 addr[ETH_ALEN];
};
static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx)
{
struct ubus_context *ctx = eloop_ctx;
ubus_handle_event(ctx);
}
static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx)
{
if (ubus_reconnect(ctx, NULL)) {
eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
return;
}
eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
}
static void hostapd_ubus_connection_lost(struct ubus_context *ctx)
{
eloop_unregister_read_sock(ctx->sock.fd);
eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL);
}
static bool hostapd_ubus_init(void)
{
if (ctx)
return true;
ctx = ubus_connect(NULL);
if (!ctx)
return false;
ctx->connection_lost = hostapd_ubus_connection_lost;
eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL);
return true;
}
static void hostapd_ubus_ref_inc(void)
{
ctx_ref++;
}
static void hostapd_ubus_ref_dec(void)
{
ctx_ref--;
if (!ctx)
return;
if (ctx_ref)
return;
eloop_unregister_read_sock(ctx->sock.fd);
ubus_free(ctx);
ctx = NULL;
}
void hostapd_ubus_add_iface(struct hostapd_iface *iface)
{
if (!hostapd_ubus_init())
return;
}
void hostapd_ubus_free_iface(struct hostapd_iface *iface)
{
if (!ctx)
return;
}
static void
hostapd_bss_del_ban(void *eloop_data, void *user_ctx)
{
struct ubus_banned_client *ban = eloop_data;
struct hostapd_data *hapd = user_ctx;
avl_delete(&hapd->ubus.banned, &ban->avl);
free(ban);
}
static void
hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time)
{
struct ubus_banned_client *ban;
if (time < 0)
time = 0;
ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
if (!ban) {
if (!time)
return;
ban = os_zalloc(sizeof(*ban));
memcpy(ban->addr, addr, sizeof(ban->addr));
ban->avl.key = ban->addr;
avl_insert(&hapd->ubus.banned, &ban->avl);
} else {
eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd);
if (!time) {
hostapd_bss_del_ban(ban, hapd);
return;
}
}
eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd);
}
static int
hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
struct sta_info *sta;
void *list, *c;
char mac_buf[20];
static const struct {
const char *name;
uint32_t flag;
} sta_flags[] = {
{ "auth", WLAN_STA_AUTH },
{ "assoc", WLAN_STA_ASSOC },
{ "authorized", WLAN_STA_AUTHORIZED },
{ "preauth", WLAN_STA_PREAUTH },
{ "wds", WLAN_STA_WDS },
{ "wmm", WLAN_STA_WMM },
{ "ht", WLAN_STA_HT },
{ "vht", WLAN_STA_VHT },
{ "wps", WLAN_STA_WPS },
{ "mfp", WLAN_STA_MFP },
};
blob_buf_init(&b, 0);
blobmsg_add_u32(&b, "freq", hapd->iface->freq);
list = blobmsg_open_table(&b, "clients");
for (sta = hapd->sta_list; sta; sta = sta->next) {
int i;
sprintf(mac_buf, MACSTR, MAC2STR(sta->addr));
c = blobmsg_open_table(&b, mac_buf);
for (i = 0; i < ARRAY_SIZE(sta_flags); i++)
blobmsg_add_u8(&b, sta_flags[i].name,
!!(sta->flags & sta_flags[i].flag));
blobmsg_add_u32(&b, "aid", sta->aid);
blobmsg_close_table(&b, c);
}
blobmsg_close_array(&b, list);
ubus_send_reply(ctx, req, b.head);
return 0;
}
enum {
DEL_CLIENT_ADDR,
DEL_CLIENT_REASON,
DEL_CLIENT_DEAUTH,
DEL_CLIENT_BAN_TIME,
__DEL_CLIENT_MAX
};
static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = {
[DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
[DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 },
[DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 },
[DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 },
};
static int
hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct blob_attr *tb[__DEL_CLIENT_MAX];
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
struct sta_info *sta;
bool deauth = false;
int reason;
u8 addr[ETH_ALEN];
blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[DEL_CLIENT_ADDR])
return UBUS_STATUS_INVALID_ARGUMENT;
if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr))
return UBUS_STATUS_INVALID_ARGUMENT;
if (tb[DEL_CLIENT_REASON])
reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]);
if (tb[DEL_CLIENT_DEAUTH])
deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]);
sta = ap_get_sta(hapd, addr);
if (sta) {
if (deauth) {
hostapd_drv_sta_deauth(hapd, addr, reason);
ap_sta_deauthenticate(hapd, sta, reason);
} else {
hostapd_drv_sta_disassoc(hapd, addr, reason);
ap_sta_disassociate(hapd, sta, reason);
}
}
if (tb[DEL_CLIENT_BAN_TIME])
hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME]));
return 0;
}
static void
blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr)
{
char *s;
s = blobmsg_alloc_string_buffer(buf, name, 20);
sprintf(s, MACSTR, MAC2STR(addr));
blobmsg_add_string_buffer(buf);
}
static int
hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
struct ubus_banned_client *ban;
void *c;
blob_buf_init(&b, 0);
c = blobmsg_open_array(&b, "clients");
avl_for_each_element(&hapd->ubus.banned, ban, avl)
blobmsg_add_macaddr(&b, NULL, ban->addr);
blobmsg_close_array(&b, c);
ubus_send_reply(ctx, req, b.head);
return 0;
}
static int
hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
int rc;
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
rc = hostapd_wps_button_pushed(hapd, NULL);
if (rc != 0)
return UBUS_STATUS_NOT_SUPPORTED;
return 0;
}
static int
hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
int rc;
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
rc = hostapd_wps_cancel(hapd);
if (rc != 0)
return UBUS_STATUS_NOT_SUPPORTED;
return 0;
}
static int
hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
int rc;
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
rc = ieee802_11_set_beacon(hapd);
if (rc != 0)
return UBUS_STATUS_NOT_SUPPORTED;
return 0;
}
enum {
CSA_FREQ,
CSA_BCN_COUNT,
__CSA_MAX
};
static const struct blobmsg_policy csa_policy[__CSA_MAX] = {
/*
* for now, frequency and beacon count are enough, add more
* parameters on demand
*/
[CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 },
[CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 },
};
#ifdef NEED_AP_MLME
static int
hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct blob_attr *tb[__CSA_MAX];
struct hostapd_data *hapd = get_hapd_from_object(obj);
struct csa_settings css;
blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[CSA_FREQ])
return UBUS_STATUS_INVALID_ARGUMENT;
memset(&css, 0, sizeof(css));
css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]);
if (tb[CSA_BCN_COUNT])
css.cs_count = blobmsg_get_u32(tb[CSA_BCN_COUNT]);
if (hostapd_switch_channel(hapd, &css) != 0)
return UBUS_STATUS_NOT_SUPPORTED;
return UBUS_STATUS_OK;
}
#endif
enum {
VENDOR_ELEMENTS,
__VENDOR_ELEMENTS_MAX
};
static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = {
/* vendor elements are provided as hex-string */
[VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING },
};
static int
hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *req, const char *method,
struct blob_attr *msg)
{
struct blob_attr *tb[__VENDOR_ELEMENTS_MAX];
struct hostapd_data *hapd = get_hapd_from_object(obj);
struct hostapd_bss_config *bss = hapd->conf;
struct wpabuf *elems;
const char *pos;
size_t len;
blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb,
blob_data(msg), blob_len(msg));
if (!tb[VENDOR_ELEMENTS])
return UBUS_STATUS_INVALID_ARGUMENT;
pos = blobmsg_data(tb[VENDOR_ELEMENTS]);
len = os_strlen(pos);
if (len & 0x01)
return UBUS_STATUS_INVALID_ARGUMENT;
len /= 2;
if (len == 0) {
wpabuf_free(bss->vendor_elements);
bss->vendor_elements = NULL;
return 0;
}
elems = wpabuf_alloc(len);
if (elems == NULL)
return 1;
if (hexstr2bin(pos, wpabuf_put(elems, len), len)) {
wpabuf_free(elems);
return UBUS_STATUS_INVALID_ARGUMENT;
}
wpabuf_free(bss->vendor_elements);
bss->vendor_elements = elems;
/* update beacons if vendor elements were set successfully */
if (ieee802_11_update_beacons(hapd->iface) != 0)
return UBUS_STATUS_NOT_SUPPORTED;
return UBUS_STATUS_OK;
}
static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans),
UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start),
UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel),
UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon),
#ifdef NEED_AP_MLME
UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy),
#endif
UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy),
};
static struct ubus_object_type bss_object_type =
UBUS_OBJECT_TYPE("hostapd_bss", bss_methods);
static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr)
{
return memcmp(k1, k2, ETH_ALEN);
}
void hostapd_ubus_add_bss(struct hostapd_data *hapd)
{
struct ubus_object *obj = &hapd->ubus.obj;
char *name;
int ret;
if (!hostapd_ubus_init())
return;
if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0)
return;
avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL);
obj->name = name;
obj->type = &bss_object_type;
obj->methods = bss_object_type.methods;
obj->n_methods = bss_object_type.n_methods;
ret = ubus_add_object(ctx, obj);
hostapd_ubus_ref_inc();
}
void hostapd_ubus_free_bss(struct hostapd_data *hapd)
{
struct ubus_object *obj = &hapd->ubus.obj;
char *name = (char *) obj->name;
if (!ctx)
return;
if (obj->id) {
ubus_remove_object(ctx, obj);
hostapd_ubus_ref_dec();
}
free(name);
}
struct ubus_event_req {
struct ubus_notify_request nreq;
bool deny;
};
static void
ubus_event_cb(struct ubus_notify_request *req, int idx, int ret)
{
struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq);
if (ret)
ureq->deny = true;
}
int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
{
struct ubus_banned_client *ban;
const char *types[HOSTAPD_UBUS_TYPE_MAX] = {
[HOSTAPD_UBUS_PROBE_REQ] = "probe",
[HOSTAPD_UBUS_AUTH_REQ] = "auth",
[HOSTAPD_UBUS_ASSOC_REQ] = "assoc",
};
const char *type = "mgmt";
struct ubus_event_req ureq = {};
const u8 *addr;
if (req->mgmt_frame)
addr = req->mgmt_frame->sa;
else
addr = req->addr;
ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl);
if (ban)
return -2;
if (!hapd->ubus.obj.has_subscribers)
return 0;
if (req->type < ARRAY_SIZE(types))
type = types[req->type];
blob_buf_init(&b, 0);
blobmsg_add_macaddr(&b, "address", addr);
if (req->mgmt_frame)
blobmsg_add_macaddr(&b, "target", req->mgmt_frame->da);
if (req->frame_info)
blobmsg_add_u32(&b, "signal", req->frame_info->ssi_signal);
blobmsg_add_u32(&b, "freq", hapd->iface->freq);
if (ubus_notify_async(ctx, &hapd->ubus.obj, type, b.head, &ureq.nreq))
return 0;
ureq.nreq.status_cb = ubus_event_cb;
ubus_complete_request(ctx, &ureq.nreq.req, 100);
if (ureq.deny)
return -1;
return 0;
}

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/*
* hostapd / ubus support
* Copyright (c) 2013, Felix Fietkau <nbd@nbd.name>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef __HOSTAPD_UBUS_H
#define __HOSTAPD_UBUS_H
enum hostapd_ubus_event_type {
HOSTAPD_UBUS_PROBE_REQ,
HOSTAPD_UBUS_AUTH_REQ,
HOSTAPD_UBUS_ASSOC_REQ,
HOSTAPD_UBUS_TYPE_MAX
};
struct hostapd_ubus_request {
enum hostapd_ubus_event_type type;
const struct ieee80211_mgmt *mgmt_frame;
const struct hostapd_frame_info *frame_info;
const u8 *addr;
};
struct hostapd_iface;
struct hostapd_data;
#ifdef UBUS_SUPPORT
#include <libubox/avl.h>
#include <libubus.h>
struct hostapd_ubus_iface {
struct ubus_object obj;
};
struct hostapd_ubus_bss {
struct ubus_object obj;
struct avl_tree banned;
};
void hostapd_ubus_add_iface(struct hostapd_iface *iface);
void hostapd_ubus_free_iface(struct hostapd_iface *iface);
void hostapd_ubus_add_bss(struct hostapd_data *hapd);
void hostapd_ubus_free_bss(struct hostapd_data *hapd);
int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req);
#else
struct hostapd_ubus_iface {};
struct hostapd_ubus_bss {};
static inline void hostapd_ubus_add_iface(struct hostapd_iface *iface)
{
}
static inline void hostapd_ubus_free_iface(struct hostapd_iface *iface)
{
}
static inline void hostapd_ubus_add_bss(struct hostapd_data *hapd)
{
}
static inline void hostapd_ubus_free_bss(struct hostapd_data *hapd)
{
}
static inline int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req)
{
return 0;
}
#endif
#endif

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#ifndef BUILD_FEATURES_H
#define BUILD_FEATURES_H
static inline int has_feature(const char *feat)
{
#ifdef IEEE8021X_EAPOL
if (!strcmp(feat, "eap"))
return 1;
#endif
#ifdef IEEE80211N
if (!strcmp(feat, "11n"))
return 1;
#endif
return 0;
}
#endif /* BUILD_FEATURES_H */