wpa_supplicant

/*
 * IEEE 802.11 Common routines
 * Copyright （c） 2002-2008 Jouni Malinen 
 *
 * 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 “ieee802_11_defs.h“
#include “ieee802_11_common.h“


static int ieee802_11_parse_vendor_specific（u8 *pos size_t elen
					    struct ieee802_11_elems *elems
					    int show_errors）
{
	unsigned int oui;

	/* first 3 bytes in vendor specific information element are the IEEE
	 * OUI of the vendor. The following byte is used a vendor specific
	 * sub-type. */
	if （elen < 4） {
		if （show_errors） {
			wpa_printf（MSG_MSGDUMP “short vendor specific “
				   “information element ignored （len=%lu）“
				   （unsigned long） elen）;
		}
		return -1;
	}

	oui = WPA_GET_BE24（pos）;
	switch （oui） {
	case OUI_MICROSOFT:
		/* Microsoft/Wi-Fi information elements are further typed and
		 * subtyped */
		switch （pos[3]） {
		case 1:
			/* Microsoft OUI （00:50:F2） with OUI Type 1:
			 * real WPA information element */
			elems->wpa_ie = pos;
			elems->wpa_ie_len = elen;
			break;
		case WMM_OUI_TYPE:
			/* WMM information element */
			if （elen < 5） {
				wpa_printf（MSG_MSGDUMP “short WMM “
					   “information element ignored “
					   “（len=%lu）“
					   （unsigned long） elen）;
				return -1;
			}
			switch （pos[4]） {
			case WMM_OUI_SUBTYPE_INFORMATION_ELEMENT:
			case WMM_OUI_SUBTYPE_PARAMETER_ELEMENT:
				/*
				 * Share same pointer since only one of these
				 * is used and they start with same data.
				 * Length field can be used to distinguish the
				 * IEs.
				 */
				elems->wmm = pos;
				elems->wmm_len = elen;
				break;
			case WMM_OUI_SUBTYPE_TSPEC_ELEMENT:
				elems->wmm_tspec = pos;
				elems->wmm_tspec_len = elen;
				break;
			default:
				wpa_printf（MSG_MSGDUMP “unknown WMM “
					   “information element ignored “
					   “（subtype=%d len=%lu）“
					   pos[4] （unsigned long） elen）;
				return -1;
			}
			break;
		case 4:
			/* Wi-Fi Protected Setup （WPS） IE */
			elems->wps_ie = pos;
			elems->wps_ie_len = elen;
			break;
		default:
			wpa_printf（MSG_MSGDUMP “Unknown Microsoft “
				   “information element ignored “
				   “（type=%d len=%lu）
“
				   pos[3] （unsigned long） elen）;
			return -1;
		}
		break;

	case OUI_BROADCOM:
		switch （pos[3]） {
		case VENDOR_HT_CAPAB_OUI_TYPE:
			elems->vendor_ht_cap = pos;
			elems->vendor_ht_cap_len = elen;
			break;
		default:
			wpa_printf（MSG_MSGDUMP “Unknown Broadcom “
				   “information element ignored “
				   “（type=%d len=%lu）
“
				   pos[3] （unsigned long） elen）;
			return -1;
		}
		break;

	default:
		wpa_printf（MSG_MSGDUMP “unknown vendor specific information “
			   “element ignored （vendor OUI %02x:%02x:%02x “
			   “

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-02-09 11:55  wpa_supplicant-0.6.10
     文件       18009  2010-01-12 22:55  wpa_supplicant-0.6.10COPYING
     目录           0  2012-02-09 11:55  wpa_supplicant-0.6.10patches
     文件       15014  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8-tls-extensions.patch
     文件       15070  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8d-tls-extensions.patch
     文件       12165  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8e-tls-extensions.patch
     文件       11137  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8g-tls-extensions.patch
     文件       11668  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8h-tls-extensions.patch
     文件       12931  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.8i-tls-extensions.patch
     文件       12376  2010-01-12 22:55  wpa_supplicant-0.6.10patchesopenssl-0.9.9-session-ticket.patch
     文件         729  2010-01-12 22:55  wpa_supplicant-0.6.10README
     目录           0  2012-02-09 11:55  wpa_supplicant-0.6.10src
     目录           0  2012-02-09 11:55  wpa_supplicant-0.6.10srccommon
     文件        6193  2010-01-12 22:55  wpa_supplicant-0.6.10srccommondefs.h
     文件        1124  2010-01-12 22:55  wpa_supplicant-0.6.10srccommoneapol_common.h
     文件        6190  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonieee802_11_common.c
     文件        1635  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonieee802_11_common.h
     文件       18615  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonieee802_11_defs.h
     文件         144  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonMakefile
     文件       55604  2010-01-12 22:55  wpa_supplicant-0.6.10srccommon
l80211_copy.h
     文件        1671  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonprivsep_commands.h
     文件          90  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonversion.h
     文件       41392  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonwireless_copy.h
     文件       15490  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonwpa_common.c
     文件       10252  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonwpa_common.h
     文件        9859  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonwpa_ctrl.c
     文件        8488  2010-01-12 22:55  wpa_supplicant-0.6.10srccommonwpa_ctrl.h
     目录           0  2012-02-09 11:55  wpa_supplicant-0.6.10srccrypto
     文件       49625  2010-01-12 22:55  wpa_supplicant-0.6.10srccryptoaes.c
     文件         742  2010-01-12 22:55  wpa_supplicant-0.6.10srccryptoaes.h
     文件       12186  2010-01-12 22:55  wpa_supplicant-0.6.10srccryptoaes_wrap.c
............此处省略458个文件信息