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P2P: Add preliminary P2P Manager AP support for hostapd

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master
Jouni Malinen 14 years ago committed by Jouni Malinen
parent df91238b54
commit 962473c136
7 changed files with 128 additions and 0 deletions
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13
hostapd/config_file.c
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@ -1988,6 +1988,19 @@ struct hostapd_config * hostapd_config_read(const char *fname)
os_free(bss->upc);
bss->upc = os_strdup(pos);
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P_MANAGER
} else if (os_strcmp(buf, "manage_p2p") == 0) {
int manage = atoi(pos);
if (manage)
bss->p2p |= P2P_MANAGE;
else
bss->p2p &= ~P2P_MANAGE;
} else if (os_strcmp(buf, "allow_cross_connection") == 0) {
if (atoi(pos))
bss->p2p |= P2P_ALLOW_CROSS_CONNECTION;
else
bss->p2p &= ~P2P_ALLOW_CROSS_CONNECTION;
#endif /* CONFIG_P2P_MANAGER */
} else {
wpa_printf(MSG_ERROR, "Line %d: unknown configuration "
"item '%s'", line, buf);

69
hostapd/ctrl_iface.c
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@ -155,6 +155,59 @@ static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
}
#ifdef CONFIG_P2P_MANAGER
static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
u8 minor_reason_code, const u8 *addr)
{
struct ieee80211_mgmt *mgmt;
int ret;
u8 *pos;
if (hapd->driver->send_frame == NULL)
return -1;
mgmt = os_zalloc(sizeof(*mgmt) + 100);
if (mgmt == NULL)
return -1;
wpa_printf(MSG_DEBUG, "P2P: Disconnect STA " MACSTR " with minor "
"reason code %u (stype=%u)",
MAC2STR(addr), minor_reason_code, stype);
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
os_memcpy(mgmt->da, addr, ETH_ALEN);
os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
if (stype == WLAN_FC_STYPE_DEAUTH) {
mgmt->u.deauth.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = (u8 *) (&mgmt->u.deauth.reason_code + 1);
} else {
mgmt->u.disassoc.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = (u8 *) (&mgmt->u.disassoc.reason_code + 1);
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4 + 3 + 1;
WPA_PUT_BE24(pos, OUI_WFA);
pos += 3;
*pos++ = P2P_OUI_TYPE;
*pos++ = P2P_ATTR_MINOR_REASON_CODE;
WPA_PUT_LE16(pos, 1);
pos += 2;
*pos++ = minor_reason_code;
ret = hapd->driver->send_frame(hapd->drv_priv, (u8 *) mgmt,
pos - (u8 *) mgmt, 1);
os_free(mgmt);
return ret < 0 ? -1 : 0;
}
#endif /* CONFIG_P2P_MANAGER */
static int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
const char *txtaddr)
{
@ -191,6 +244,14 @@ static int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
hapd->drv.sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
sta = ap_get_sta(hapd, addr);
if (sta)
@ -237,6 +298,14 @@ static int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
hapd->drv.sta_disassoc(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
sta = ap_get_sta(hapd, addr);
if (sta)

5
hostapd/hostapd.conf
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@ -985,6 +985,11 @@ own_ip_addr=127.0.0.1
# 12-digit, all-numeric code that identifies the consumer package.
#upc=123456789012
##### Wi-Fi Direct (P2P) ######################################################
# Enable P2P Device management
#manage_p2p=1
##### Multiple BSSID support ##################################################
#
# Above configuration is using the default interface (wlan#, or multi-SSID VLAN

2
src/ap/ap_config.h
Unescape Escape View File

@ -317,6 +317,8 @@ struct hostapd_bss_config {
#define P2P_ENABLED BIT(0)
#define P2P_GROUP_OWNER BIT(1)
#define P2P_GROUP_FORMATION BIT(2)
#define P2P_MANAGE BIT(3)
#define P2P_ALLOW_CROSS_CONNECTION BIT(4)
int p2p;
};

33
src/ap/beacon.c
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@ -195,6 +195,29 @@ static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len,
}
#ifdef CONFIG_P2P_MANAGER
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid)
{
u8 bitmap;
*eid++ = WLAN_EID_VENDOR_SPECIFIC;
*eid++ = 4 + 3 + 1;
WPA_PUT_BE24(eid, OUI_WFA);
eid += 3;
*eid++ = P2P_OUI_TYPE;
*eid++ = P2P_ATTR_MANAGEABILITY;
WPA_PUT_LE16(eid, 1);
eid += 2;
bitmap = BIT(0); /* P2P Device Management */
if (hapd->conf->p2p & P2P_ALLOW_CROSS_CONNECTION)
bitmap |= BIT(1); /* Cross Connection Permitted */
*eid++ = bitmap;
return eid;
}
#endif /* CONFIG_P2P_MANAGER */
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{
@ -368,6 +391,11 @@ void handle_probe_req(struct hostapd_data *hapd,
pos += wpabuf_len(hapd->p2p_probe_resp_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
pos = hostapd_eid_p2p_manage(hapd, pos);
#endif /* CONFIG_P2P_MANAGER */
if (hapd->drv.send_mgmt_frame(hapd, resp, pos - (u8 *) resp) < 0)
perror("handle_probe_req: send");
@ -487,6 +515,11 @@ void ieee802_11_set_beacon(struct hostapd_data *hapd)
tailpos += wpabuf_len(hapd->p2p_beacon_ie);
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
P2P_MANAGE)
tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
#endif /* CONFIG_P2P_MANAGER */
tail_len = tailpos > tail ? tailpos - tail : 0;

1
src/ap/beacon.h
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@ -20,6 +20,7 @@ struct ieee80211_mgmt;
void handle_probe_req(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len);
u8 * hostapd_eid_p2p_manage(struct hostapd_data *hapd, u8 *eid);
#ifdef NEED_AP_MLME
void ieee802_11_set_beacon(struct hostapd_data *hapd);
void ieee802_11_set_beacons(struct hostapd_iface *iface);

5
src/ap/ieee802_11.c
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@ -905,6 +905,11 @@ static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
}
#endif /* CONFIG_P2P */
#ifdef CONFIG_P2P_MANAGER
if (hapd->conf->p2p & P2P_MANAGE)
p = hostapd_eid_p2p_manage(hapd, p);
#endif /* CONFIG_P2P_MANAGER */
send_len += p - reply->u.assoc_resp.variable;
if (hapd->drv.send_mgmt_frame(hapd, reply, send_len) < 0)

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