p2p_build.c revision cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50e
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * P2P - IE builder 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2009-2010, Atheros Communications 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wps/wps_i.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "p2p_i.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_action_hdr(struct wpabuf *buf, u8 subtype, u8 dialog_token) 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WLAN_ACTION_VENDOR_SPECIFIC); 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be24(buf, OUI_WFA); 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_OUI_TYPE); 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, subtype); /* OUI Subtype */ 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, dialog_token); 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token); 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_public_action_hdr(struct wpabuf *buf, u8 subtype, 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 dialog_token) 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WLAN_ACTION_PUBLIC); 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WLAN_PA_VENDOR_SPECIFIC); 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be24(buf, OUI_WFA); 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_OUI_TYPE); 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, subtype); /* OUI Subtype */ 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, dialog_token); 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Dialog Token: %d", dialog_token); 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * p2p_buf_add_ie_hdr(struct wpabuf *buf) 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P IE header */ 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC); 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(buf, 1); /* IE length to be filled */ 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be24(buf, OUI_WFA); 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_OUI_TYPE); 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * P2P IE header"); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_update_ie_hdr(struct wpabuf *buf, u8 *len) 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Update P2P IE Length */ 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = (u8 *) wpabuf_put(buf, 0) - len - 1; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_capability(struct wpabuf *buf, u8 dev_capab, u8 group_capab) 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Capability */ 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_CAPABILITY); 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 2); 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, dev_capab); /* Device Capabilities */ 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, group_capab); /* Group Capabilities */ 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Capability dev=%02x group=%02x", 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt dev_capab, group_capab); 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_go_intent(struct wpabuf *buf, u8 go_intent) 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Group Owner Intent */ 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_GROUP_OWNER_INTENT); 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 1); 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, go_intent); 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * GO Intent: Intent %u Tie breaker %u", 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt go_intent >> 1, go_intent & 0x01); 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_listen_channel(struct wpabuf *buf, const char *country, 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 reg_class, u8 channel) 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Listen Channel */ 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_LISTEN_CHANNEL); 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 5); 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, country, 3); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, reg_class); /* Regulatory Class */ 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, channel); /* Channel Number */ 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Listen Channel: Regulatory Class %u " 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Channel %u", reg_class, channel); 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_operating_channel(struct wpabuf *buf, const char *country, 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 reg_class, u8 channel) 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Operating Channel */ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_OPERATING_CHANNEL); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 5); 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, country, 3); 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, reg_class); /* Regulatory Class */ 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, channel); /* Channel Number */ 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Operating Channel: Regulatory Class %u " 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Channel %u", reg_class, channel); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_channel_list(struct wpabuf *buf, const char *country, 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct p2p_channels *chan) 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Channel List */ 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_CHANNEL_LIST); 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(buf, 2); /* IE length to be filled */ 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, country, 3); /* Country String */ 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < chan->reg_classes; i++) { 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct p2p_reg_class *c = &chan->reg_class[i]; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, c->reg_class); 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, c->channels); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, c->channel, c->channels); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Update attribute length */ 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2); 13591c40cdce17424d9a4718876becf0b7811cf68f2Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "P2P: * Channel List", 13691c40cdce17424d9a4718876becf0b7811cf68f2Dmitry Shmidt len + 2, (u8 *) wpabuf_put(buf, 0) - len - 2); 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 139d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_status(struct wpabuf *buf, u8 status) 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Status */ 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_STATUS); 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 1); 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, status); 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Status: %d", status); 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_device_info(struct wpabuf *buf, struct p2p_data *p2p, 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct p2p_device *peer) 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 methods; 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t nlen, i; 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Device Info */ 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_DEVICE_INFO); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(buf, 2); /* IE length to be filled */ 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Device address */ 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN); 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Config Methods */ 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods = 0; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (peer && peer->wps_method != WPS_NOT_READY) { 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (peer->wps_method == WPS_PBC) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods |= WPS_CONFIG_PUSHBUTTON; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (peer->wps_method == WPS_PIN_DISPLAY || 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt peer->wps_method == WPS_PIN_KEYPAD) 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD; 1721f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } else if (p2p->cfg->config_methods) { 1731f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt methods |= p2p->cfg->config_methods & 1741f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (WPS_CONFIG_PUSHBUTTON | WPS_CONFIG_DISPLAY | 1751f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt WPS_CONFIG_KEYPAD); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods |= WPS_CONFIG_PUSHBUTTON; 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt methods |= WPS_CONFIG_DISPLAY | WPS_CONFIG_KEYPAD; 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, methods); 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Primary Device Type */ 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->pri_dev_type, 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(p2p->cfg->pri_dev_type)); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Number of Secondary Device Types */ 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, p2p->cfg->num_sec_dev_types); 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Secondary Device Type List */ 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < p2p->cfg->num_sec_dev_types; i++) 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->sec_dev_type[i], 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_DEV_TYPE_LEN); 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Device Name */ 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nlen = p2p->cfg->dev_name ? os_strlen(p2p->cfg->dev_name) : 0; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_DEV_NAME); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, nlen); 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->dev_name, nlen); 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Update attribute length */ 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(len, (u8 *) wpabuf_put(buf, 0) - len - 2); 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Device Info"); 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_device_id(struct wpabuf *buf, const u8 *dev_addr) 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Device ID */ 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_DEVICE_ID); 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, ETH_ALEN); 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, dev_addr, ETH_ALEN); 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Device ID: " MACSTR, MAC2STR(dev_addr)); 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_config_timeout(struct wpabuf *buf, u8 go_timeout, 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 client_timeout) 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Configuration Timeout */ 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_CONFIGURATION_TIMEOUT); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 2); 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, go_timeout); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, client_timeout); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Configuration Timeout: GO %d (*10ms) " 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "client %d (*10ms)", go_timeout, client_timeout); 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_intended_addr(struct wpabuf *buf, const u8 *interface_addr) 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Intended P2P Interface Address */ 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_INTENDED_INTERFACE_ADDR); 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, ETH_ALEN); 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, interface_addr, ETH_ALEN); 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Intended P2P Interface Address " MACSTR, 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(interface_addr)); 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_group_bssid(struct wpabuf *buf, const u8 *bssid) 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Group BSSID */ 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_GROUP_BSSID); 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, ETH_ALEN); 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, bssid, ETH_ALEN); 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * P2P Group BSSID " MACSTR, 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(bssid)); 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_group_id(struct wpabuf *buf, const u8 *dev_addr, 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *ssid, size_t ssid_len) 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Group ID */ 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_GROUP_ID); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, ETH_ALEN + ssid_len); 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, dev_addr, ETH_ALEN); 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, ssid, ssid_len); 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * P2P Group ID " MACSTR, 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(dev_addr)); 2615460547a121207cf7a99eac45e05fcdd83be3161Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "P2P: P2P Group ID SSID", ssid, ssid_len); 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_invitation_flags(struct wpabuf *buf, u8 flags) 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Invitation Flags */ 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_INVITATION_FLAGS); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 1); 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, flags); 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Invitation Flags: bitmap 0x%x", flags); 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void p2p_buf_add_noa_desc(struct wpabuf *buf, struct p2p_noa_desc *desc) 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (desc == NULL) 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, desc->count_type); 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le32(buf, desc->duration); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le32(buf, desc->interval); 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le32(buf, desc->start_time); 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_noa(struct wpabuf *buf, u8 noa_index, u8 opp_ps, u8 ctwindow, 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct p2p_noa_desc *desc1, struct p2p_noa_desc *desc2) 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Notice of Absence */ 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_NOTICE_OF_ABSENCE); 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 2 + (desc1 ? 13 : 0) + (desc2 ? 13 : 0)); 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, noa_index); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, (opp_ps ? 0x80 : 0) | (ctwindow & 0x7f)); 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p_buf_add_noa_desc(buf, desc1); 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p_buf_add_noa_desc(buf, desc2); 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Notice of Absence"); 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_ext_listen_timing(struct wpabuf *buf, u16 period, 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 interval) 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Extended Listen Timing */ 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_EXT_LISTEN_TIMING); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, 4); 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, period); 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, interval); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * Extended Listen Timing (period %u msec " 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "interval %u msec)", period, interval); 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid p2p_buf_add_p2p_interface(struct wpabuf *buf, struct p2p_data *p2p) 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Interface */ 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_INTERFACE); 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_le16(buf, ETH_ALEN + 1 + ETH_ALEN); 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Device address */ 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN); 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * FIX: Fetch interface address list from driver. Do not include 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the P2P Device address if it is never used as interface address. 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* P2P Interface Address Count */ 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, 1); 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->dev_addr, ETH_ALEN); 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 331cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidtvoid p2p_buf_add_oob_go_neg_channel(struct wpabuf *buf, const char *country, 332cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt u8 oper_class, u8 channel, 333cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt enum p2p_role_indication role) 334cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt{ 335cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt /* OOB Group Owner Negotiation Channel */ 336cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_u8(buf, P2P_ATTR_OOB_GO_NEG_CHANNEL); 337cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_le16(buf, 6); 338cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_data(buf, country, 3); 339cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_u8(buf, oper_class); /* Operating Class */ 340cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_u8(buf, channel); /* Channel Number */ 341cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpabuf_put_u8(buf, (u8) role); /* Role indication */ 342cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: * OOB GO Negotiation Channel: Operating " 343cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "Class %u Channel %u Role %d", 344cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt oper_class, channel, role); 345cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt} 346cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 347cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 34868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidtstatic int p2p_add_wps_string(struct wpabuf *buf, enum wps_attribute attr, 34968d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt const char *val) 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = val ? os_strlen(val) : 0; 35468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 4 + len) 35568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 35668d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt wpabuf_put_be16(buf, attr); 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_WPS_STRICT 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len == 0) { 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Some deployed WPS implementations fail to parse zeor-length 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * attributes. As a workaround, send a space character if the 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * device attribute string is empty. 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 36468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 3) 36568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 1); 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, ' '); 36868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return 0; 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS_STRICT */ 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, len); 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (val) 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, val, len); 37468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return 0; 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 37868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidtint p2p_build_wps_ie(struct p2p_data *p2p, struct wpabuf *buf, int pw_id, 37968d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt int all_attr) 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *len; 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 38468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 6) 38568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WLAN_EID_VENDOR_SPECIFIC); 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = wpabuf_put(buf, 1); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be32(buf, WPS_DEV_OUI_WFA); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 39068d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wps_build_version(buf) < 0) 39168d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (all_attr) { 39468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 5) 39568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_WPS_STATE); 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 1); 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WPS_STATE_NOT_CONFIGURED); 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 40104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (pw_id >= 0) { 40268d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 6) 40368d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 40404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt /* Device Password ID */ 40504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_be16(buf, ATTR_DEV_PASSWORD_ID); 40604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_be16(buf, 2); 40704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpa_printf(MSG_DEBUG, "P2P: WPS IE Device Password ID: %d", 40804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt pw_id); 40904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt wpabuf_put_be16(buf, pw_id); 41004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt } 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (all_attr) { 41368d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 5) 41468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_RESPONSE_TYPE); 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 1); 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, WPS_RESP_ENROLLEE_INFO); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 41968d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wps_build_uuid_e(buf, p2p->cfg->uuid) < 0 || 42068d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p_add_wps_string(buf, ATTR_MANUFACTURER, 42168d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p->cfg->manufacturer) < 0 || 42268d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p_add_wps_string(buf, ATTR_MODEL_NAME, 42368d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p->cfg->model_name) < 0 || 42468d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p_add_wps_string(buf, ATTR_MODEL_NUMBER, 42568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p->cfg->model_number) < 0 || 42668d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p_add_wps_string(buf, ATTR_SERIAL_NUMBER, 42768d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt p2p->cfg->serial_number) < 0) 42868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 42968d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt 43068d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 4 + WPS_DEV_TYPE_LEN) 43168d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_PRIMARY_DEV_TYPE); 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->pri_dev_type, WPS_DEV_TYPE_LEN); 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 43668d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (p2p_add_wps_string(buf, ATTR_DEV_NAME, p2p->cfg->dev_name) 43768d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt < 0) 43868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 44068d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 6) 44168d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_CONFIG_METHODS); 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 2); 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, p2p->cfg->config_methods); 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 44768d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wps_build_wfa_ext(buf, 0, NULL, 0) < 0) 44868d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (all_attr && p2p->cfg->num_sec_dev_types) { 45168d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt if (wpabuf_tailroom(buf) < 45268d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt 4 + WPS_DEV_TYPE_LEN * p2p->cfg->num_sec_dev_types) 45368d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return -1; 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_SECONDARY_DEV_TYPE_LIST); 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, WPS_DEV_TYPE_LEN * 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p->cfg->num_sec_dev_types); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, p2p->cfg->sec_dev_type, 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPS_DEV_TYPE_LEN * 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p->cfg->num_sec_dev_types); 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Add the WPS vendor extensions */ 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < P2P_MAX_WPS_VENDOR_EXT; i++) { 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (p2p->wps_vendor_ext[i] == NULL) 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpabuf_tailroom(buf) < 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4 + wpabuf_len(p2p->wps_vendor_ext[i])) 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt continue; 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, ATTR_VENDOR_EXT); 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, wpabuf_len(p2p->wps_vendor_ext[i])); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(buf, p2p->wps_vendor_ext[i]); 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt p2p_buf_update_ie_hdr(buf, len); 47568d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt 47668d0e3ed07847339aedfac8e02f50db68c702e52Dmitry Shmidt return 0; 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 478