| /* |
| * Copyright (c) 2010 Broadcom Corporation |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <bcmutils.h> |
| #include <bcmwpa.h> |
| |
| /* Is this body of this tlvs entry a WFA entry? If |
| * not update the tlvs buffer pointer/length. |
| */ |
| bool bcm_is_wfa_ie(uint8 * ie, uint8 ** tlvs, uint * tlvs_len, uint8 type) |
| { |
| /* If the contents match the WFA_OUI and type */ |
| if ((ie[TLV_LEN_OFF] > (WFA_OUI_LEN + 1)) && |
| !bcmp(&ie[TLV_BODY_OFF], WFA_OUI, WFA_OUI_LEN) && |
| type == ie[TLV_BODY_OFF + WFA_OUI_LEN]) { |
| return TRUE; |
| } |
| |
| /* point to the next ie */ |
| ie += ie[TLV_LEN_OFF] + TLV_HDR_LEN; |
| /* calculate the length of the rest of the buffer */ |
| *tlvs_len -= (int)(ie - *tlvs); |
| /* update the pointer to the start of the buffer */ |
| *tlvs = ie; |
| |
| return FALSE; |
| } |
| |
| wpa_ie_fixed_t *BCMROMFN(bcm_find_wpaie) (uint8 * parse, uint len) { |
| bcm_tlv_t *ie; |
| |
| while ((ie = bcm_parse_tlvs(parse, len, DOT11_MNG_VS_ID))) { |
| if (bcm_is_wpa_ie((uint8 *) ie, &parse, &len)) { |
| return (wpa_ie_fixed_t *) ie; |
| } |
| } |
| return NULL; |
| } |