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>master
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7c8c3226dc
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/*
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* hostapd / ubus support |
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* Copyright (c) 2013, Felix Fietkau <nbd@nbd.name> |
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* |
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* This software may be distributed under the terms of the BSD license. |
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* See README for more details. |
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*/ |
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#include "utils/includes.h" |
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#include "utils/common.h" |
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#include "utils/eloop.h" |
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#include "common/ieee802_11_defs.h" |
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#include "hostapd.h" |
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#include "wps_hostapd.h" |
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#include "sta_info.h" |
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#include "ubus.h" |
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#include "ap_drv_ops.h" |
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#include "beacon.h" |
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static struct ubus_context *ctx; |
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static struct blob_buf b; |
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static int ctx_ref; |
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static inline struct hostapd_data *get_hapd_from_object(struct ubus_object *obj) |
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{ |
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return container_of(obj, struct hostapd_data, ubus.obj); |
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} |
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struct ubus_banned_client { |
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struct avl_node avl; |
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u8 addr[ETH_ALEN]; |
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}; |
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static void ubus_receive(int sock, void *eloop_ctx, void *sock_ctx) |
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{ |
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struct ubus_context *ctx = eloop_ctx; |
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ubus_handle_event(ctx); |
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} |
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static void ubus_reconnect_timeout(void *eloop_data, void *user_ctx) |
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{ |
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if (ubus_reconnect(ctx, NULL)) { |
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eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL); |
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return; |
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} |
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eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL); |
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} |
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static void hostapd_ubus_connection_lost(struct ubus_context *ctx) |
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{ |
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eloop_unregister_read_sock(ctx->sock.fd); |
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eloop_register_timeout(1, 0, ubus_reconnect_timeout, ctx, NULL); |
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} |
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static bool hostapd_ubus_init(void) |
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{ |
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if (ctx) |
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return true; |
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ctx = ubus_connect(NULL); |
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if (!ctx) |
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return false; |
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ctx->connection_lost = hostapd_ubus_connection_lost; |
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eloop_register_read_sock(ctx->sock.fd, ubus_receive, ctx, NULL); |
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return true; |
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} |
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static void hostapd_ubus_ref_inc(void) |
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{ |
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ctx_ref++; |
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} |
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static void hostapd_ubus_ref_dec(void) |
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{ |
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ctx_ref--; |
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if (!ctx) |
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return; |
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if (ctx_ref) |
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return; |
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eloop_unregister_read_sock(ctx->sock.fd); |
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ubus_free(ctx); |
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ctx = NULL; |
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} |
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void hostapd_ubus_add_iface(struct hostapd_iface *iface) |
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{ |
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if (!hostapd_ubus_init()) |
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return; |
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} |
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void hostapd_ubus_free_iface(struct hostapd_iface *iface) |
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{ |
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if (!ctx) |
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return; |
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} |
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static void |
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hostapd_bss_del_ban(void *eloop_data, void *user_ctx) |
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{ |
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struct ubus_banned_client *ban = eloop_data; |
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struct hostapd_data *hapd = user_ctx; |
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avl_delete(&hapd->ubus.banned, &ban->avl); |
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free(ban); |
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} |
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static void |
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hostapd_bss_ban_client(struct hostapd_data *hapd, u8 *addr, int time) |
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{ |
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struct ubus_banned_client *ban; |
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if (time < 0) |
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time = 0; |
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ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl); |
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if (!ban) { |
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if (!time) |
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return; |
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ban = os_zalloc(sizeof(*ban)); |
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memcpy(ban->addr, addr, sizeof(ban->addr)); |
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ban->avl.key = ban->addr; |
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avl_insert(&hapd->ubus.banned, &ban->avl); |
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} else { |
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eloop_cancel_timeout(hostapd_bss_del_ban, ban, hapd); |
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if (!time) { |
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hostapd_bss_del_ban(ban, hapd); |
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return; |
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} |
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} |
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eloop_register_timeout(0, time * 1000, hostapd_bss_del_ban, ban, hapd); |
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} |
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static int |
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hostapd_bss_get_clients(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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struct sta_info *sta; |
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void *list, *c; |
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char mac_buf[20]; |
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static const struct { |
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const char *name; |
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uint32_t flag; |
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} sta_flags[] = { |
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{ "auth", WLAN_STA_AUTH }, |
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{ "assoc", WLAN_STA_ASSOC }, |
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{ "authorized", WLAN_STA_AUTHORIZED }, |
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{ "preauth", WLAN_STA_PREAUTH }, |
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{ "wds", WLAN_STA_WDS }, |
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{ "wmm", WLAN_STA_WMM }, |
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{ "ht", WLAN_STA_HT }, |
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{ "vht", WLAN_STA_VHT }, |
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{ "wps", WLAN_STA_WPS }, |
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{ "mfp", WLAN_STA_MFP }, |
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}; |
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blob_buf_init(&b, 0); |
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blobmsg_add_u32(&b, "freq", hapd->iface->freq); |
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list = blobmsg_open_table(&b, "clients"); |
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for (sta = hapd->sta_list; sta; sta = sta->next) { |
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int i; |
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sprintf(mac_buf, MACSTR, MAC2STR(sta->addr)); |
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c = blobmsg_open_table(&b, mac_buf); |
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for (i = 0; i < ARRAY_SIZE(sta_flags); i++) |
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blobmsg_add_u8(&b, sta_flags[i].name, |
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!!(sta->flags & sta_flags[i].flag)); |
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blobmsg_add_u32(&b, "aid", sta->aid); |
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blobmsg_close_table(&b, c); |
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} |
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blobmsg_close_array(&b, list); |
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ubus_send_reply(ctx, req, b.head); |
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return 0; |
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} |
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enum { |
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DEL_CLIENT_ADDR, |
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DEL_CLIENT_REASON, |
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DEL_CLIENT_DEAUTH, |
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DEL_CLIENT_BAN_TIME, |
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__DEL_CLIENT_MAX |
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}; |
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static const struct blobmsg_policy del_policy[__DEL_CLIENT_MAX] = { |
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[DEL_CLIENT_ADDR] = { "addr", BLOBMSG_TYPE_STRING }, |
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[DEL_CLIENT_REASON] = { "reason", BLOBMSG_TYPE_INT32 }, |
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[DEL_CLIENT_DEAUTH] = { "deauth", BLOBMSG_TYPE_INT8 }, |
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[DEL_CLIENT_BAN_TIME] = { "ban_time", BLOBMSG_TYPE_INT32 }, |
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}; |
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static int |
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hostapd_bss_del_client(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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struct blob_attr *tb[__DEL_CLIENT_MAX]; |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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struct sta_info *sta; |
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bool deauth = false; |
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int reason; |
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u8 addr[ETH_ALEN]; |
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blobmsg_parse(del_policy, __DEL_CLIENT_MAX, tb, blob_data(msg), blob_len(msg)); |
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if (!tb[DEL_CLIENT_ADDR]) |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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if (hwaddr_aton(blobmsg_data(tb[DEL_CLIENT_ADDR]), addr)) |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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if (tb[DEL_CLIENT_REASON]) |
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reason = blobmsg_get_u32(tb[DEL_CLIENT_REASON]); |
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if (tb[DEL_CLIENT_DEAUTH]) |
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deauth = blobmsg_get_bool(tb[DEL_CLIENT_DEAUTH]); |
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sta = ap_get_sta(hapd, addr); |
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if (sta) { |
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if (deauth) { |
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hostapd_drv_sta_deauth(hapd, addr, reason); |
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ap_sta_deauthenticate(hapd, sta, reason); |
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} else { |
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hostapd_drv_sta_disassoc(hapd, addr, reason); |
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ap_sta_disassociate(hapd, sta, reason); |
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} |
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} |
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if (tb[DEL_CLIENT_BAN_TIME]) |
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hostapd_bss_ban_client(hapd, addr, blobmsg_get_u32(tb[DEL_CLIENT_BAN_TIME])); |
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return 0; |
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} |
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static void |
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blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const u8 *addr) |
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{ |
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char *s; |
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s = blobmsg_alloc_string_buffer(buf, name, 20); |
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sprintf(s, MACSTR, MAC2STR(addr)); |
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blobmsg_add_string_buffer(buf); |
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} |
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static int |
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hostapd_bss_list_bans(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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struct ubus_banned_client *ban; |
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void *c; |
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blob_buf_init(&b, 0); |
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c = blobmsg_open_array(&b, "clients"); |
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avl_for_each_element(&hapd->ubus.banned, ban, avl) |
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blobmsg_add_macaddr(&b, NULL, ban->addr); |
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blobmsg_close_array(&b, c); |
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ubus_send_reply(ctx, req, b.head); |
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return 0; |
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} |
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static int |
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hostapd_bss_wps_start(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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int rc; |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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rc = hostapd_wps_button_pushed(hapd, NULL); |
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if (rc != 0) |
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return UBUS_STATUS_NOT_SUPPORTED; |
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return 0; |
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} |
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static int |
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hostapd_bss_wps_cancel(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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int rc; |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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rc = hostapd_wps_cancel(hapd); |
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if (rc != 0) |
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return UBUS_STATUS_NOT_SUPPORTED; |
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return 0; |
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} |
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static int |
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hostapd_bss_update_beacon(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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int rc; |
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struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj); |
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rc = ieee802_11_set_beacon(hapd); |
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if (rc != 0) |
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return UBUS_STATUS_NOT_SUPPORTED; |
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return 0; |
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} |
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enum { |
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CSA_FREQ, |
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CSA_BCN_COUNT, |
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__CSA_MAX |
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}; |
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static const struct blobmsg_policy csa_policy[__CSA_MAX] = { |
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/*
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* for now, frequency and beacon count are enough, add more |
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* parameters on demand |
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*/ |
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[CSA_FREQ] = { "freq", BLOBMSG_TYPE_INT32 }, |
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[CSA_BCN_COUNT] = { "bcn_count", BLOBMSG_TYPE_INT32 }, |
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}; |
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#ifdef NEED_AP_MLME |
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static int |
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hostapd_switch_chan(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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struct blob_attr *tb[__CSA_MAX]; |
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struct hostapd_data *hapd = get_hapd_from_object(obj); |
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struct csa_settings css; |
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blobmsg_parse(csa_policy, __CSA_MAX, tb, blob_data(msg), blob_len(msg)); |
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if (!tb[CSA_FREQ]) |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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memset(&css, 0, sizeof(css)); |
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css.freq_params.freq = blobmsg_get_u32(tb[CSA_FREQ]); |
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if (tb[CSA_BCN_COUNT]) |
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css.cs_count = blobmsg_get_u32(tb[CSA_BCN_COUNT]); |
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if (hostapd_switch_channel(hapd, &css) != 0) |
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return UBUS_STATUS_NOT_SUPPORTED; |
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return UBUS_STATUS_OK; |
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} |
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#endif |
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enum { |
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VENDOR_ELEMENTS, |
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__VENDOR_ELEMENTS_MAX |
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}; |
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static const struct blobmsg_policy ve_policy[__VENDOR_ELEMENTS_MAX] = { |
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/* vendor elements are provided as hex-string */ |
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[VENDOR_ELEMENTS] = { "vendor_elements", BLOBMSG_TYPE_STRING }, |
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}; |
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static int |
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hostapd_vendor_elements(struct ubus_context *ctx, struct ubus_object *obj, |
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struct ubus_request_data *req, const char *method, |
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struct blob_attr *msg) |
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{ |
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struct blob_attr *tb[__VENDOR_ELEMENTS_MAX]; |
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struct hostapd_data *hapd = get_hapd_from_object(obj); |
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struct hostapd_bss_config *bss = hapd->conf; |
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struct wpabuf *elems; |
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const char *pos; |
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size_t len; |
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blobmsg_parse(ve_policy, __VENDOR_ELEMENTS_MAX, tb, |
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blob_data(msg), blob_len(msg)); |
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if (!tb[VENDOR_ELEMENTS]) |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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pos = blobmsg_data(tb[VENDOR_ELEMENTS]); |
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len = os_strlen(pos); |
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if (len & 0x01) |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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len /= 2; |
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if (len == 0) { |
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wpabuf_free(bss->vendor_elements); |
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bss->vendor_elements = NULL; |
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return 0; |
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} |
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elems = wpabuf_alloc(len); |
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if (elems == NULL) |
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return 1; |
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if (hexstr2bin(pos, wpabuf_put(elems, len), len)) { |
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wpabuf_free(elems); |
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return UBUS_STATUS_INVALID_ARGUMENT; |
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} |
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wpabuf_free(bss->vendor_elements); |
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bss->vendor_elements = elems; |
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/* update beacons if vendor elements were set successfully */ |
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if (ieee802_11_update_beacons(hapd->iface) != 0) |
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return UBUS_STATUS_NOT_SUPPORTED; |
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return UBUS_STATUS_OK; |
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} |
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static const struct ubus_method bss_methods[] = { |
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UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients), |
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UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy), |
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UBUS_METHOD_NOARG("list_bans", hostapd_bss_list_bans), |
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UBUS_METHOD_NOARG("wps_start", hostapd_bss_wps_start), |
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UBUS_METHOD_NOARG("wps_cancel", hostapd_bss_wps_cancel), |
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UBUS_METHOD_NOARG("update_beacon", hostapd_bss_update_beacon), |
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#ifdef NEED_AP_MLME |
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UBUS_METHOD("switch_chan", hostapd_switch_chan, csa_policy), |
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#endif |
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UBUS_METHOD("set_vendor_elements", hostapd_vendor_elements, ve_policy), |
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}; |
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static struct ubus_object_type bss_object_type = |
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UBUS_OBJECT_TYPE("hostapd_bss", bss_methods); |
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static int avl_compare_macaddr(const void *k1, const void *k2, void *ptr) |
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{ |
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return memcmp(k1, k2, ETH_ALEN); |
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} |
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void hostapd_ubus_add_bss(struct hostapd_data *hapd) |
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{ |
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struct ubus_object *obj = &hapd->ubus.obj; |
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char *name; |
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int ret; |
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if (!hostapd_ubus_init()) |
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return; |
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if (asprintf(&name, "hostapd.%s", hapd->conf->iface) < 0) |
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return; |
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avl_init(&hapd->ubus.banned, avl_compare_macaddr, false, NULL); |
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obj->name = name; |
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obj->type = &bss_object_type; |
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obj->methods = bss_object_type.methods; |
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obj->n_methods = bss_object_type.n_methods; |
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ret = ubus_add_object(ctx, obj); |
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hostapd_ubus_ref_inc(); |
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} |
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void hostapd_ubus_free_bss(struct hostapd_data *hapd) |
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{ |
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struct ubus_object *obj = &hapd->ubus.obj; |
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char *name = (char *) obj->name; |
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if (!ctx) |
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return; |
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if (obj->id) { |
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ubus_remove_object(ctx, obj); |
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hostapd_ubus_ref_dec(); |
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} |
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free(name); |
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} |
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struct ubus_event_req { |
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struct ubus_notify_request nreq; |
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bool deny; |
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}; |
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static void |
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ubus_event_cb(struct ubus_notify_request *req, int idx, int ret) |
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{ |
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struct ubus_event_req *ureq = container_of(req, struct ubus_event_req, nreq); |
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if (ret) |
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ureq->deny = true; |
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} |
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int hostapd_ubus_handle_event(struct hostapd_data *hapd, struct hostapd_ubus_request *req) |
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{ |
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struct ubus_banned_client *ban; |
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const char *types[HOSTAPD_UBUS_TYPE_MAX] = { |
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[HOSTAPD_UBUS_PROBE_REQ] = "probe", |
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[HOSTAPD_UBUS_AUTH_REQ] = "auth", |
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[HOSTAPD_UBUS_ASSOC_REQ] = "assoc", |
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}; |
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const char *type = "mgmt"; |
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struct ubus_event_req ureq = {}; |
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const u8 *addr; |
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if (req->mgmt_frame) |
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addr = req->mgmt_frame->sa; |
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else |
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addr = req->addr; |
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ban = avl_find_element(&hapd->ubus.banned, addr, ban, avl); |
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if (ban) |
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return -2; |
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if (!hapd->ubus.obj.has_subscribers) |
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return 0; |
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|
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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; |
||||
} |
@ -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 |
@ -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 */ |
Loading…
Reference in new issue