wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/p2p/p2p_build.c b/src/p2p/p2p_build.c
new file mode 100644
index 0000000..c34db91
--- /dev/null
+++ b/src/p2p/p2p_build.c
@@ -0,0 +1,431 @@
+/*
+ * P2P - IE builder
+ * Copyright (c) 2009-2010, Atheros Communications
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "wps/wps_i.h"
+#include "p2p_i.h"
+
+
+void p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token)
+{
+ wpabuf_put_u8(buf, WLAN_ACTION_VENDOR_SPECIFIC);
+ wpabuf_put_be24(buf, OUI_WFA);
+ wpabuf_put_u8(buf, P2P_OUI_TYPE);
+
+ wpabuf_put_u8(buf, subtype); /* OUI Subtype */
+ wpabuf_put_u8(buf, dialog_token);
+ wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token);
+}
+
+
+void p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype,
+ u8 dialog_token)
+{
+ wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC);
+ wpabuf_put_u8(buf, WLAN_PA_VENDOR_SPECIFIC);
+ wpabuf_put_be24(buf, OUI_WFA);
+ wpabuf_put_u8(buf, P2P_OUI_TYPE);
+
+ wpabuf_put_u8(buf, subtype); /* OUI Subtype */
+ wpabuf_put_u8(buf, dialog_token);
+ wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token);
+}
+
+
+u8 * p2p_buf_add_ie_hdr(struct wpabuf *buf)
+{
+ u8 *len;
+
+ /* P2P IE header */
+ wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
+ len = wpabuf_put(buf, 1); /* IE length to be filled */
+ wpabuf_put_be24(buf, OUI_WFA);
+ wpabuf_put_u8(buf, P2P_OUI_TYPE);
+ wpa_printf(MSG_DEBUG, "P2P: * P2P IE header");
+ return len;
+}
+
+
+void p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len)
+{
+ /* Update P2P IE Length */
+ *len = (u8 *) wpabuf_put(buf, 0) - len - 1;
+}
+
+
+void p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab)
+{
+ /* P2P Capability */
+ wpabuf_put_u8(buf, P2P_ATTR_CAPABILITY);
+ wpabuf_put_le16(buf, 2);
+ wpabuf_put_u8(buf, dev_capab); /* Device Capabilities */
+ wpabuf_put_u8(buf, group_capab); /* Group Capabilities */
+ wpa_printf(MSG_DEBUG, "P2P: * Capability dev=%02x group=%02x",
+ dev_capab, group_capab);
+}
+
+
+void p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent)
+{
+ /* Group Owner Intent */
+ wpabuf_put_u8(buf, P2P_ATTR_GROUP_OWNER_INTENT);
+ wpabuf_put_le16(buf, 1);
+ wpabuf_put_u8(buf, go_intent);
+ wpa_printf(MSG_DEBUG, "P2P: * GO Intent: Intent %u Tie breaker %u",
+ go_intent >> 1, go_intent & 0x01);
+}
+
+
+void p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country,
+ u8 reg_class, u8 channel)
+{
+ /* Listen Channel */
+ wpabuf_put_u8(buf, P2P_ATTR_LISTEN_CHANNEL);
+ wpabuf_put_le16(buf, 5);
+ wpabuf_put_data(buf, country, 3);
+ wpabuf_put_u8(buf, reg_class); /* Regulatory Class */
+ wpabuf_put_u8(buf, channel); /* Channel Number */
+ wpa_printf(MSG_DEBUG, "P2P: * Listen Channel: Regulatory Class %u "
+ "Channel %u", reg_class, channel);
+}
+
+
+void p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country,
+ u8 reg_class, u8 channel)
+{
+ /* Operating Channel */
+ wpabuf_put_u8(buf, P2P_ATTR_OPERATING_CHANNEL);
+ wpabuf_put_le16(buf, 5);
+ wpabuf_put_data(buf, country, 3);
+ wpabuf_put_u8(buf, reg_class); /* Regulatory Class */
+ wpabuf_put_u8(buf, channel); /* Channel Number */
+ wpa_printf(MSG_DEBUG, "P2P: * Operating Channel: Regulatory Class %u "
+ "Channel %u", reg_class, channel);
+}
+
+
+void p2p_buf_add_channel_list(struct wpabuf *buf, const char *country,
+ struct p2p_channels *chan)
+{
+ u8 *len;
+ size_t i;
+
+ /* Channel List */
+ wpabuf_put_u8(buf, P2P_ATTR_CHANNEL_LIST);
+ len = wpabuf_put(buf, 2); /* IE length to be filled */
+ wpabuf_put_data(buf, country, 3); /* Country String */
+
+ for (i = 0; i < chan->reg_classes; i++) {
+ struct p2p_reg_class *c = &chan->reg_class[i];
+ wpabuf_put_u8(buf, c->reg_class);
+ wpabuf_put_u8(buf, c->channels);
+ wpabuf_put_data(buf, c->channel, c->channels);
+ }
+
+ /* Update attribute length */
+ WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2);
+ wpa_printf(MSG_DEBUG, "P2P: * Channel List");
+}
+
+
+void p2p_buf_add_status(struct wpabuf *buf, u8 status)
+{
+ /* Status */
+ wpabuf_put_u8(buf, P2P_ATTR_STATUS);
+ wpabuf_put_le16(buf, 1);
+ wpabuf_put_u8(buf, status);
+ wpa_printf(MSG_DEBUG, "P2P: * Status: %d", status);
+}
+
+
+void p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p,
+ struct p2p_device *peer)
+{
+ u8 *len;
+ u16 methods;
+ size_t nlen, i;
+
+ /* P2P Device Info */
+ wpabuf_put_u8(buf, P2P_ATTR_DEVICE_INFO);
+ len = wpabuf_put(buf, 2); /* IE length to be filled */
+
+ /* P2P Device address */
+ wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+
+ /* Config Methods */
+ methods = 0;
+ if (peer && peer->wps_method != WPS_NOT_READY) {
+ if (peer->wps_method == WPS_PBC)
+ methods |= WPS_CONFIG_PUSHBUTTON;
+ else if (peer->wps_method == WPS_PIN_LABEL)
+ methods |= WPS_CONFIG_LABEL;
+ else if (peer->wps_method == WPS_PIN_DISPLAY ||
+ peer->wps_method == WPS_PIN_KEYPAD)
+ methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
+ } else {
+ methods |= WPS_CONFIG_PUSHBUTTON;
+ methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD;
+ }
+ wpabuf_put_be16(buf, methods);
+
+ /* Primary Device Type */
+ wpabuf_put_data(buf, p2p->cfg->pri_dev_type,
+ sizeof(p2p->cfg->pri_dev_type));
+
+ /* Number of Secondary Device Types */
+ wpabuf_put_u8(buf, p2p->cfg->num_sec_dev_types);
+
+ /* Secondary Device Type List */
+ for (i = 0; i < p2p->cfg->num_sec_dev_types; i++)
+ wpabuf_put_data(buf, p2p->cfg->sec_dev_type[i],
+ WPS_DEV_TYPE_LEN);
+
+ /* Device Name */
+ nlen = p2p->cfg->dev_name ? os_strlen(p2p->cfg->dev_name) : 0;
+ wpabuf_put_be16(buf, ATTR_DEV_NAME);
+ wpabuf_put_be16(buf, nlen);
+ wpabuf_put_data(buf, p2p->cfg->dev_name, nlen);
+
+ /* Update attribute length */
+ WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2);
+ wpa_printf(MSG_DEBUG, "P2P: * Device Info");
+}
+
+
+void p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr)
+{
+ /* P2P Device ID */
+ wpabuf_put_u8(buf, P2P_ATTR_DEVICE_ID);
+ wpabuf_put_le16(buf, ETH_ALEN);
+ wpabuf_put_data(buf, dev_addr, ETH_ALEN);
+ wpa_printf(MSG_DEBUG, "P2P: * Device ID: " MACSTR, MAC2STR(dev_addr));
+}
+
+
+void p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout,
+ u8 client_timeout)
+{
+ /* Configuration Timeout */
+ wpabuf_put_u8(buf, P2P_ATTR_CONFIGURATION_TIMEOUT);
+ wpabuf_put_le16(buf, 2);
+ wpabuf_put_u8(buf, go_timeout);
+ wpabuf_put_u8(buf, client_timeout);
+ wpa_printf(MSG_DEBUG, "P2P: * Configuration Timeout: GO %d (*10ms) "
+ "client %d (*10ms)", go_timeout, client_timeout);
+}
+
+
+void p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr)
+{
+ /* Intended P2P Interface Address */
+ wpabuf_put_u8(buf, P2P_ATTR_INTENDED_INTERFACE_ADDR);
+ wpabuf_put_le16(buf, ETH_ALEN);
+ wpabuf_put_data(buf, interface_addr, ETH_ALEN);
+ wpa_printf(MSG_DEBUG, "P2P: * Intended P2P Interface Address " MACSTR,
+ MAC2STR(interface_addr));
+}
+
+
+void p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid)
+{
+ /* P2P Group BSSID */
+ wpabuf_put_u8(buf, P2P_ATTR_GROUP_BSSID);
+ wpabuf_put_le16(buf, ETH_ALEN);
+ wpabuf_put_data(buf, bssid, ETH_ALEN);
+ wpa_printf(MSG_DEBUG, "P2P: * P2P Group BSSID " MACSTR,
+ MAC2STR(bssid));
+}
+
+
+void p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr,
+ const u8 *ssid, size_t ssid_len)
+{
+ /* P2P Group ID */
+ wpabuf_put_u8(buf, P2P_ATTR_GROUP_ID);
+ wpabuf_put_le16(buf, ETH_ALEN + ssid_len);
+ wpabuf_put_data(buf, dev_addr, ETH_ALEN);
+ wpabuf_put_data(buf, ssid, ssid_len);
+ wpa_printf(MSG_DEBUG, "P2P: * P2P Group ID " MACSTR,
+ MAC2STR(dev_addr));
+}
+
+
+void p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags)
+{
+ /* Invitation Flags */
+ wpabuf_put_u8(buf, P2P_ATTR_INVITATION_FLAGS);
+ wpabuf_put_le16(buf, 1);
+ wpabuf_put_u8(buf, flags);
+ wpa_printf(MSG_DEBUG, "P2P: * Invitation Flags: bitmap 0x%x", flags);
+}
+
+
+static void p2p_buf_add_noa_desc(struct wpabuf *buf, struct p2p_noa_desc *desc)
+{
+ if (desc == NULL)
+ return;
+
+ wpabuf_put_u8(buf, desc->count_type);
+ wpabuf_put_le32(buf, desc->duration);
+ wpabuf_put_le32(buf, desc->interval);
+ wpabuf_put_le32(buf, desc->start_time);
+}
+
+
+void p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow,
+ struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2)
+{
+ /* Notice of Absence */
+ wpabuf_put_u8(buf, P2P_ATTR_NOTICE_OF_ABSENCE);
+ wpabuf_put_le16(buf, 2 + (desc1 ? 13 : 0) + (desc2 ? 13 : 0));
+ wpabuf_put_u8(buf, noa_index);
+ wpabuf_put_u8(buf, (opp_ps ? 0x80 : 0) | (ctwindow & 0x7f));
+ p2p_buf_add_noa_desc(buf, desc1);
+ p2p_buf_add_noa_desc(buf, desc2);
+ wpa_printf(MSG_DEBUG, "P2P: * Notice of Absence");
+}
+
+
+void p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period,
+ u16 interval)
+{
+ /* Extended Listen Timing */
+ wpabuf_put_u8(buf, P2P_ATTR_EXT_LISTEN_TIMING);
+ wpabuf_put_le16(buf, 4);
+ wpabuf_put_le16(buf, period);
+ wpabuf_put_le16(buf, interval);
+ wpa_printf(MSG_DEBUG, "P2P: * Extended Listen Timing (period %u msec "
+ "interval %u msec)", period, interval);
+}
+
+
+void p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p)
+{
+ /* P2P Interface */
+ wpabuf_put_u8(buf, P2P_ATTR_INTERFACE);
+ wpabuf_put_le16(buf, ETH_ALEN + 1 + ETH_ALEN);
+ /* P2P Device address */
+ wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+ /*
+ * FIX: Fetch interface address list from driver. Do not include
+ * the P2P Device address if it is never used as interface address.
+ */
+ /* P2P Interface Address Count */
+ wpabuf_put_u8(buf, 1);
+ wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN);
+}
+
+
+static void p2p_add_wps_string(struct wpabuf *buf, enum wps_attribute attr,
+ const char *val)
+{
+ size_t len;
+
+ wpabuf_put_be16(buf, attr);
+ len = val ? os_strlen(val) : 0;
+#ifndef CONFIG_WPS_STRICT
+ if (len == 0) {
+ /*
+ * Some deployed WPS implementations fail to parse zeor-length
+ * attributes. As a workaround, send a space character if the
+ * device attribute string is empty.
+ */
+ wpabuf_put_be16(buf, 1);
+ wpabuf_put_u8(buf, ' ');
+ return;
+ }
+#endif /* CONFIG_WPS_STRICT */
+ wpabuf_put_be16(buf, len);
+ if (val)
+ wpabuf_put_data(buf, val, len);
+}
+
+
+void p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, u16 pw_id,
+ int all_attr)
+{
+ u8 *len;
+ int i;
+
+ wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC);
+ len = wpabuf_put(buf, 1);
+ wpabuf_put_be32(buf, WPS_DEV_OUI_WFA);
+
+ wps_build_version(buf);
+
+ if (all_attr) {
+ wpabuf_put_be16(buf, ATTR_WPS_STATE);
+ wpabuf_put_be16(buf, 1);
+ wpabuf_put_u8(buf, WPS_STATE_NOT_CONFIGURED);
+ }
+
+ /* Device Password ID */
+ wpabuf_put_be16(buf, ATTR_DEV_PASSWORD_ID);
+ wpabuf_put_be16(buf, 2);
+ wpa_printf(MSG_DEBUG, "P2P: WPS IE Device Password ID: %d", pw_id);
+ wpabuf_put_be16(buf, pw_id);
+
+ if (all_attr) {
+ wpabuf_put_be16(buf, ATTR_RESPONSE_TYPE);
+ wpabuf_put_be16(buf, 1);
+ wpabuf_put_u8(buf, WPS_RESP_ENROLLEE_INFO);
+
+ wps_build_uuid_e(buf, p2p->cfg->uuid);
+ p2p_add_wps_string(buf, ATTR_MANUFACTURER,
+ p2p->cfg->manufacturer);
+ p2p_add_wps_string(buf, ATTR_MODEL_NAME, p2p->cfg->model_name);
+ p2p_add_wps_string(buf, ATTR_MODEL_NUMBER,
+ p2p->cfg->model_number);
+ p2p_add_wps_string(buf, ATTR_SERIAL_NUMBER,
+ p2p->cfg->serial_number);
+
+ wpabuf_put_be16(buf, ATTR_PRIMARY_DEV_TYPE);
+ wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN);
+ wpabuf_put_data(buf, p2p->cfg->pri_dev_type, WPS_DEV_TYPE_LEN);
+
+ p2p_add_wps_string(buf, ATTR_DEV_NAME, p2p->cfg->dev_name);
+
+ wpabuf_put_be16(buf, ATTR_CONFIG_METHODS);
+ wpabuf_put_be16(buf, 2);
+ wpabuf_put_be16(buf, p2p->cfg->config_methods);
+ }
+
+ wps_build_wfa_ext(buf, 0, NULL, 0);
+
+ if (all_attr && p2p->cfg->num_sec_dev_types) {
+ wpabuf_put_be16(buf, ATTR_SECONDARY_DEV_TYPE_LIST);
+ wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN *
+ p2p->cfg->num_sec_dev_types);
+ wpabuf_put_data(buf, p2p->cfg->sec_dev_type,
+ WPS_DEV_TYPE_LEN *
+ p2p->cfg->num_sec_dev_types);
+ }
+
+ /* Add the WPS vendor extensions */
+ for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) {
+ if (p2p->wps_vendor_ext[i] == NULL)
+ break;
+ if (wpabuf_tailroom(buf) <
+ 4 + wpabuf_len(p2p->wps_vendor_ext[i]))
+ continue;
+ wpabuf_put_be16(buf, ATTR_VENDOR_EXT);
+ wpabuf_put_be16(buf, wpabuf_len(p2p->wps_vendor_ext[i]));
+ wpabuf_put_buf(buf, p2p->wps_vendor_ext[i]);
+ }
+
+ p2p_buf_update_ie_hdr(buf, len);
+}