P2P: Add P2P configuration and callbacks in hostapd code
authorJouni Malinen <jouni.malinen@atheros.com>
Sun, 18 Jul 2010 21:30:25 +0000 (14:30 -0700)
committerJouni Malinen <j@w1.fi>
Thu, 9 Sep 2010 14:17:17 +0000 (07:17 -0700)
src/ap/ap_config.h
src/ap/beacon.c
src/ap/ctrl_iface_ap.c
src/ap/hostapd.h
src/ap/ieee802_11.c
wpa_supplicant/ap.c

index 2608839..6b1a5e2 100644 (file)
@@ -313,6 +313,11 @@ struct hostapd_bss_config {
        char *model_url;
        char *upc;
 #endif /* CONFIG_WPS */
+
+#define P2P_ENABLED BIT(0)
+#define P2P_GROUP_OWNER BIT(1)
+#define P2P_GROUP_FORMATION BIT(2)
+       int p2p;
 };
 
 
index 8769fca..37cd96e 100644 (file)
@@ -22,6 +22,8 @@
 #include "common/ieee802_11_defs.h"
 #include "common/ieee802_11_common.h"
 #include "drivers/driver.h"
+#include "wps/wps_defs.h"
+#include "p2p/p2p.h"
 #include "hostapd.h"
 #include "ieee802_11.h"
 #include "wpa_auth.h"
@@ -233,6 +235,21 @@ void handle_probe_req(struct hostapd_data *hapd,
                return;
        }
 
+#ifdef CONFIG_P2P
+       if (hapd->p2p && elems.wps_ie) {
+               struct wpabuf *wps;
+               wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+               if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
+                       wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
+                                  "due to mismatch with Requested Device "
+                                  "Type");
+                       wpabuf_free(wps);
+                       return;
+               }
+               wpabuf_free(wps);
+       }
+#endif /* CONFIG_P2P */
+
        if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0) {
                wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for "
                           "broadcast SSID ignored", MAC2STR(mgmt->sa));
@@ -241,6 +258,16 @@ void handle_probe_req(struct hostapd_data *hapd,
 
        sta = ap_get_sta(hapd, mgmt->sa);
 
+#ifdef CONFIG_P2P
+       if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
+           elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
+           os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
+                     P2P_WILDCARD_SSID_LEN) == 0) {
+               /* Process P2P Wildcard SSID like Wildcard SSID */
+               elems.ssid_len = 0;
+       }
+#endif /* CONFIG_P2P */
+
        if (elems.ssid_len == 0 ||
            (elems.ssid_len == hapd->conf->ssid.ssid_len &&
             os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) ==
@@ -272,6 +299,10 @@ void handle_probe_req(struct hostapd_data *hapd,
        if (hapd->wps_probe_resp_ie)
                buflen += wpabuf_len(hapd->wps_probe_resp_ie);
 #endif /* CONFIG_WPS */
+#ifdef CONFIG_P2P
+       if (hapd->p2p_probe_resp_ie)
+               buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
+#endif /* CONFIG_P2P */
        resp = os_zalloc(buflen);
        if (resp == NULL)
                return;
@@ -329,6 +360,15 @@ void handle_probe_req(struct hostapd_data *hapd,
        }
 #endif /* CONFIG_WPS */
 
+#ifdef CONFIG_P2P
+       if ((hapd->conf->p2p & P2P_ENABLED) && elems.p2p &&
+           hapd->p2p_probe_resp_ie) {
+               os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
+                         wpabuf_len(hapd->p2p_probe_resp_ie));
+               pos += wpabuf_len(hapd->p2p_probe_resp_ie);
+       }
+#endif /* CONFIG_P2P */
+
        if (hapd->drv.send_mgmt_frame(hapd, resp, pos - (u8 *) resp) < 0)
                perror("handle_probe_req: send");
 
@@ -347,6 +387,11 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
        u16 capab_info;
        size_t head_len, tail_len;
 
+#ifdef CONFIG_P2P
+       if ((hapd->conf->p2p & (P2P_ENABLED | P2P_GROUP_OWNER)) == P2P_ENABLED)
+               goto no_beacon;
+#endif /* CONFIG_P2P */
+
 #define BEACON_HEAD_BUF_SIZE 256
 #define BEACON_TAIL_BUF_SIZE 512
        head = os_zalloc(BEACON_HEAD_BUF_SIZE);
@@ -355,6 +400,10 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
        if (hapd->conf->wps_state && hapd->wps_beacon_ie)
                tail_len += wpabuf_len(hapd->wps_beacon_ie);
 #endif /* CONFIG_WPS */
+#ifdef CONFIG_P2P
+       if (hapd->p2p_beacon_ie)
+               tail_len += wpabuf_len(hapd->p2p_beacon_ie);
+#endif /* CONFIG_P2P */
        tailpos = tail = os_malloc(tail_len);
        if (head == NULL || tail == NULL) {
                wpa_printf(MSG_ERROR, "Failed to set beacon data");
@@ -431,6 +480,14 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
        }
 #endif /* CONFIG_WPS */
 
+#ifdef CONFIG_P2P
+       if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
+               os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
+                         wpabuf_len(hapd->p2p_beacon_ie));
+               tailpos += wpabuf_len(hapd->p2p_beacon_ie);
+       }
+#endif /* CONFIG_P2P */
+
        tail_len = tailpos > tail ? tailpos - tail : 0;
 
        if (hapd->drv.set_beacon(hapd, (u8 *) head, head_len,
@@ -442,6 +499,9 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
        os_free(tail);
        os_free(head);
 
+#ifdef CONFIG_P2P
+no_beacon:
+#endif /* CONFIG_P2P */
        hapd->drv.set_bss_params(hapd, !!(ieee802_11_erp_info(hapd) &
                                          ERP_INFO_USE_PROTECTION));
 }
index e50b0a7..d348dc1 100644 (file)
@@ -21,6 +21,7 @@
 #include "ieee802_11.h"
 #include "sta_info.h"
 #include "wps_hostapd.h"
+#include "p2p_hostapd.h"
 #include "ctrl_iface_ap.h"
 
 
@@ -57,6 +58,9 @@ static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
                                      buflen - len);
        if (res >= 0)
                len += res;
+       res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
+       if (res >= 0)
+               len += res;
 
        return len;
 }
index 1eacb8d..3efcdfa 100644 (file)
@@ -177,11 +177,17 @@ struct hostapd_data {
                                 int freq);
        void *public_action_cb_ctx;
 
+       int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
+                               int freq);
+       void *vendor_action_cb_ctx;
+
        void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
                                   const u8 *uuid_e);
        void *wps_reg_success_cb_ctx;
 
 #ifdef CONFIG_P2P
+       struct p2p_data *p2p;
+       struct p2p_group *p2p_group;
        struct wpabuf *p2p_beacon_ie;
        struct wpabuf *p2p_probe_resp_ie;
 #endif /* CONFIG_P2P */
index 990d737..c1f33f2 100644 (file)
@@ -25,6 +25,7 @@
 #include "common/wpa_ctrl.h"
 #include "radius/radius.h"
 #include "radius/radius_client.h"
+#include "p2p/p2p.h"
 #include "wps/wps.h"
 #include "hostapd.h"
 #include "beacon.h"
@@ -1363,6 +1364,14 @@ static void handle_action(struct hostapd_data *hapd,
                        return;
                }
                break;
+       case WLAN_ACTION_VENDOR_SPECIFIC:
+               if (hapd->vendor_action_cb) {
+                       if (hapd->vendor_action_cb(hapd->vendor_action_cb_ctx,
+                                                  (u8 *) mgmt, len,
+                                                  hapd->iface->freq) == 0)
+                               return;
+               }
+               break;
        }
 
        hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
index 85a8bcd..9e5d390 100644 (file)
 #include "eap_server/eap_methods.h"
 #include "eap_common/eap_wsc_common.h"
 #include "wps/wps.h"
+#include "common/ieee802_11_defs.h"
 #include "config_ssid.h"
 #include "config.h"
 #include "wpa_supplicant_i.h"
 #include "driver_i.h"
+#include "p2p_supplicant.h"
 #include "ap.h"
 
 
@@ -160,25 +162,75 @@ static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
                bss->device_type = os_strdup(wpa_s->conf->device_type);
 #endif /* CONFIG_WPS */
 
+#ifdef CONFIG_P2P
+       if (wpa_s->conf->device_name) {
+               bss->device_name = os_strdup(wpa_s->conf->device_name);
+               bss->friendly_name = os_strdup(wpa_s->conf->device_name);
+       }
+#endif /* CONFIG_P2P */
+
        return 0;
 }
 
 
 static void ap_public_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
 {
+#ifdef CONFIG_P2P
+       struct wpa_supplicant *wpa_s = ctx;
+       const struct ieee80211_mgmt *mgmt;
+       size_t hdr_len;
+
+       mgmt = (const struct ieee80211_mgmt *) buf;
+       hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+       if (hdr_len > len)
+               return;
+       wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
+                          mgmt->u.action.category,
+                          &mgmt->u.action.u.vs_public_action.action,
+                          len - hdr_len, freq);
+#endif /* CONFIG_P2P */
+}
+
+
+static int ap_vendor_action_rx(void *ctx, const u8 *buf, size_t len, int freq)
+{
+#ifdef CONFIG_P2P
+       struct wpa_supplicant *wpa_s = ctx;
+       const struct ieee80211_mgmt *mgmt;
+       size_t hdr_len;
+
+       mgmt = (const struct ieee80211_mgmt *) buf;
+       hdr_len = (const u8 *) &mgmt->u.action.u.vs_public_action.action - buf;
+       if (hdr_len > len)
+               return -1;
+       wpas_p2p_rx_action(wpa_s, mgmt->da, mgmt->sa, mgmt->bssid,
+                          mgmt->u.action.category,
+                          &mgmt->u.action.u.vs_public_action.action,
+                          len - hdr_len, freq);
+#endif /* CONFIG_P2P */
+       return 0;
 }
 
 
 static int ap_probe_req_rx(void *ctx, const u8 *addr, const u8 *ie,
                           size_t ie_len)
 {
+#ifdef CONFIG_P2P
+       struct wpa_supplicant *wpa_s = ctx;
+       return wpas_p2p_probe_req_rx(wpa_s, addr, ie, ie_len);
+#else /* CONFIG_P2P */
        return 0;
+#endif /* CONFIG_P2P */
 }
 
 
 static void ap_wps_reg_success_cb(void *ctx, const u8 *mac_addr,
                                  const u8 *uuid_e)
 {
+#ifdef CONFIG_P2P
+       struct wpa_supplicant *wpa_s = ctx;
+       wpas_p2p_wps_success(wpa_s, mac_addr, 1);
+#endif /* CONFIG_P2P */
 }
 
 
@@ -260,6 +312,14 @@ int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
                return -1;
        }
 
+#ifdef CONFIG_P2P
+       if (ssid->mode == WPAS_MODE_P2P_GO)
+               conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
+       else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+               conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
+                       P2P_GROUP_FORMATION;
+#endif /* CONFIG_P2P */
+
        hapd_iface->num_bss = conf->num_bss;
        hapd_iface->bss = os_zalloc(conf->num_bss *
                                    sizeof(struct hostapd_data *));
@@ -280,10 +340,18 @@ int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
                hapd_iface->bss[i]->msg_ctx = wpa_s;
                hapd_iface->bss[i]->public_action_cb = ap_public_action_rx;
                hapd_iface->bss[i]->public_action_cb_ctx = wpa_s;
+               hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx;
+               hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s;
                hostapd_register_probereq_cb(hapd_iface->bss[i],
                                             ap_probe_req_rx, wpa_s);
                hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb;
                hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s;
+#ifdef CONFIG_P2P
+               hapd_iface->bss[i]->p2p = wpa_s->global->p2p;
+               hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(
+                       wpa_s, ssid->p2p_persistent_group,
+                       ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION);
+#endif /* CONFIG_P2P */
        }
 
        os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN);
@@ -314,6 +382,10 @@ void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
                return;
 
        wpa_s->current_ssid = NULL;
+#ifdef CONFIG_P2P
+       wpa_s->ap_iface->bss[0]->p2p_group = NULL;
+       wpas_p2p_group_deinit(wpa_s);
+#endif /* CONFIG_P2P */
        hostapd_interface_deinit(wpa_s->ap_iface);
        hostapd_interface_free(wpa_s->ap_iface);
        wpa_s->ap_iface = NULL;
@@ -481,6 +553,14 @@ int wpa_supplicant_ap_update_beacon(struct wpa_supplicant *wpa_s)
        if (ssid == NULL || wpa_s->ap_iface == NULL)
                return -1;
 
+#ifdef CONFIG_P2P
+       if (ssid->mode == WPAS_MODE_P2P_GO)
+               iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER;
+       else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)
+               iface->conf->bss[0].p2p = P2P_ENABLED | P2P_GROUP_OWNER |
+                       P2P_GROUP_FORMATION;
+#endif /* CONFIG_P2P */
+
        ieee802_11_set_beacons(iface);
        hapd = iface->bss[0];
        hapd->drv.set_ap_wps_ie(hapd);