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![Ilia Mirkin](/assets/img/avatar_default.png)
This patch was generated by the following semantic patch: // <smpl> @@ expression E; @@ - if (E != NULL) { kfree(E); } + kfree(E); @@ expression E; @@ - if (E != NULL) { kfree(E); E = NULL; } + kfree(E); + E = NULL; // </smpl> Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
875 lines
24 KiB
C
875 lines
24 KiB
C
/******************************************************************************
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Copyright(c) 2004 Intel Corporation. All rights reserved.
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Portions of this file are based on the WEP enablement code provided by the
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Host AP project hostap-drivers v0.1.3
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Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
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<jkmaline@cc.hut.fi>
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Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
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This program is free software; you can redistribute it and/or modify it
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under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59
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Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The full GNU General Public License is included in this distribution in the
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file called LICENSE.
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Contact Information:
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James P. Ketrenos <ipw2100-admin@linux.intel.com>
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Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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******************************************************************************/
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#include <linux/wireless.h>
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#include <linux/kmod.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include "ieee80211.h"
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struct modes_unit {
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char *mode_string;
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int mode_size;
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};
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struct modes_unit ieee80211_modes[] = {
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{"a",1},
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{"b",1},
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{"g",1},
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{"?",1},
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{"N-24G",5},
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{"N-5G",4},
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};
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#define iwe_stream_add_event_rsl iwe_stream_add_event
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#define MAX_CUSTOM_LEN 64
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static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee,
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char *start, char *stop,
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struct ieee80211_network *network,
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struct iw_request_info *info)
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{
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char custom[MAX_CUSTOM_LEN];
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char proto_name[IFNAMSIZ];
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char *pname = proto_name;
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char *p;
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struct iw_event iwe;
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int i, j;
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u16 max_rate, rate;
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static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
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/* First entry *MUST* be the AP MAC address */
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iwe.cmd = SIOCGIWAP;
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iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
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memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN);
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN);
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/* Remaining entries will be displayed in the order we provide them */
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/* Add the ESSID */
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iwe.cmd = SIOCGIWESSID;
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iwe.u.data.flags = 1;
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// if (network->flags & NETWORK_EMPTY_ESSID) {
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if (network->ssid_len == 0) {
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iwe.u.data.length = sizeof("<hidden>");
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start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>");
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} else {
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iwe.u.data.length = min(network->ssid_len, (u8)32);
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start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
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}
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/* Add the protocol name */
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iwe.cmd = SIOCGIWNAME;
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for(i=0; i<ARRAY_SIZE(ieee80211_modes); i++) {
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if(network->mode&(1<<i)) {
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sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size);
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pname +=ieee80211_modes[i].mode_size;
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}
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}
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*pname = '\0';
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snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN);
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/* Add mode */
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iwe.cmd = SIOCGIWMODE;
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if (network->capability &
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(WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) {
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if (network->capability & WLAN_CAPABILITY_BSS)
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iwe.u.mode = IW_MODE_MASTER;
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else
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iwe.u.mode = IW_MODE_ADHOC;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN);
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}
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/* Add frequency/channel */
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iwe.cmd = SIOCGIWFREQ;
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/* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode);
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iwe.u.freq.e = 3; */
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iwe.u.freq.m = network->channel;
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iwe.u.freq.e = 0;
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iwe.u.freq.i = 0;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN);
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/* Add encryption capability */
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iwe.cmd = SIOCGIWENCODE;
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if (network->capability & WLAN_CAPABILITY_PRIVACY)
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iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
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else
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iwe.u.data.flags = IW_ENCODE_DISABLED;
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iwe.u.data.length = 0;
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start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid);
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/* Add basic and extended rates */
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max_rate = 0;
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p = custom;
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p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
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for (i = 0, j = 0; i < network->rates_len; ) {
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if (j < network->rates_ex_len &&
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((network->rates_ex[j] & 0x7F) <
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(network->rates[i] & 0x7F)))
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rate = network->rates_ex[j++] & 0x7F;
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else
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rate = network->rates[i++] & 0x7F;
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if (rate > max_rate)
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max_rate = rate;
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p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
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"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
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}
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for (; j < network->rates_ex_len; j++) {
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rate = network->rates_ex[j] & 0x7F;
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p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
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"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
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if (rate > max_rate)
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max_rate = rate;
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}
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if (network->mode >= IEEE_N_24G)//add N rate here;
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{
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PHT_CAPABILITY_ELE ht_cap = NULL;
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bool is40M = false, isShortGI = false;
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u8 max_mcs = 0;
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if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
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ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4];
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else
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ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0];
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is40M = (ht_cap->ChlWidth)?1:0;
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isShortGI = (ht_cap->ChlWidth)?
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((ht_cap->ShortGI40Mhz)?1:0):
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((ht_cap->ShortGI20Mhz)?1:0);
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max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL);
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rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f];
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if (rate > max_rate)
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max_rate = rate;
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}
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iwe.cmd = SIOCGIWRATE;
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iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
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iwe.u.bitrate.value = max_rate * 500000;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
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IW_EV_PARAM_LEN);
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iwe.cmd = IWEVCUSTOM;
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
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start = iwe_stream_add_point(info, start, stop, &iwe, custom);
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/* Add quality statistics */
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/* TODO: Fix these values... */
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iwe.cmd = IWEVQUAL;
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iwe.u.qual.qual = network->stats.signal;
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iwe.u.qual.level = network->stats.rssi;
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iwe.u.qual.noise = network->stats.noise;
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iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK;
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if (!(network->stats.mask & IEEE80211_STATMASK_RSSI))
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iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
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if (!(network->stats.mask & IEEE80211_STATMASK_NOISE))
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iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
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if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL))
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iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
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iwe.u.qual.updated = 7;
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start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN);
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iwe.cmd = IWEVCUSTOM;
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p = custom;
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
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start = iwe_stream_add_point(info, start, stop, &iwe, custom);
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#if (WIRELESS_EXT < 18)
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if (ieee->wpa_enabled && network->wpa_ie_len){
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char buf[MAX_WPA_IE_LEN * 2 + 30];
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// printk("WPA IE\n");
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u8 *p = buf;
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p += sprintf(p, "wpa_ie=");
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for (i = 0; i < network->wpa_ie_len; i++) {
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p += sprintf(p, "%02x", network->wpa_ie[i]);
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}
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memset(&iwe, 0, sizeof(iwe));
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iwe.cmd = IWEVCUSTOM;
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iwe.u.data.length = strlen(buf);
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start = iwe_stream_add_point(info, start, stop, &iwe, buf);
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}
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if (ieee->wpa_enabled && network->rsn_ie_len){
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char buf[MAX_WPA_IE_LEN * 2 + 30];
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u8 *p = buf;
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p += sprintf(p, "rsn_ie=");
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for (i = 0; i < network->rsn_ie_len; i++) {
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p += sprintf(p, "%02x", network->rsn_ie[i]);
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}
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memset(&iwe, 0, sizeof(iwe));
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iwe.cmd = IWEVCUSTOM;
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iwe.u.data.length = strlen(buf);
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start = iwe_stream_add_point(info, start, stop, &iwe, buf);
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}
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#else
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memset(&iwe, 0, sizeof(iwe));
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if (network->wpa_ie_len)
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{
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char buf[MAX_WPA_IE_LEN];
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memcpy(buf, network->wpa_ie, network->wpa_ie_len);
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iwe.cmd = IWEVGENIE;
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iwe.u.data.length = network->wpa_ie_len;
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start = iwe_stream_add_point(info, start, stop, &iwe, buf);
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}
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memset(&iwe, 0, sizeof(iwe));
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if (network->rsn_ie_len)
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{
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char buf[MAX_WPA_IE_LEN];
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memcpy(buf, network->rsn_ie, network->rsn_ie_len);
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iwe.cmd = IWEVGENIE;
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iwe.u.data.length = network->rsn_ie_len;
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start = iwe_stream_add_point(info, start, stop, &iwe, buf);
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}
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#endif
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/* Add EXTRA: Age to display seconds since last beacon/probe response
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* for given network. */
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iwe.cmd = IWEVCUSTOM;
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p = custom;
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p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
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" Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100));
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iwe.u.data.length = p - custom;
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if (iwe.u.data.length)
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start = iwe_stream_add_point(info, start, stop, &iwe, custom);
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return start;
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}
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int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
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struct iw_request_info *info,
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union iwreq_data *wrqu, char *extra)
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{
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struct ieee80211_network *network;
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unsigned long flags;
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char *ev = extra;
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// char *stop = ev + IW_SCAN_MAX_DATA;
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char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA;
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//char *stop = ev + IW_SCAN_MAX_DATA;
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int i = 0;
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int err = 0;
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IEEE80211_DEBUG_WX("Getting scan\n");
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down(&ieee->wx_sem);
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spin_lock_irqsave(&ieee->lock, flags);
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list_for_each_entry(network, &ieee->network_list, list) {
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i++;
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if((stop-ev)<200)
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{
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err = -E2BIG;
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break;
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}
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if (ieee->scan_age == 0 ||
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time_after(network->last_scanned + ieee->scan_age, jiffies))
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ev = rtl819x_translate_scan(ieee, ev, stop, network, info);
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else
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IEEE80211_DEBUG_SCAN(
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"Not showing network '%s ("
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"%pM)' due to age (%lums).\n",
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escape_essid(network->ssid,
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network->ssid_len),
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network->bssid,
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(jiffies - network->last_scanned) / (HZ / 100));
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}
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spin_unlock_irqrestore(&ieee->lock, flags);
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up(&ieee->wx_sem);
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wrqu->data.length = ev - extra;
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wrqu->data.flags = 0;
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IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i);
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return err;
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}
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int ieee80211_wx_set_encode(struct ieee80211_device *ieee,
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struct iw_request_info *info,
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union iwreq_data *wrqu, char *keybuf)
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{
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struct iw_point *erq = &(wrqu->encoding);
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struct net_device *dev = ieee->dev;
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struct ieee80211_security sec = {
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.flags = 0
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};
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int i, key, key_provided, len;
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struct ieee80211_crypt_data **crypt;
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IEEE80211_DEBUG_WX("SET_ENCODE\n");
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key = erq->flags & IW_ENCODE_INDEX;
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if (key) {
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if (key > WEP_KEYS)
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return -EINVAL;
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key--;
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key_provided = 1;
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} else {
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key_provided = 0;
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key = ieee->tx_keyidx;
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}
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IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ?
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"provided" : "default");
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crypt = &ieee->crypt[key];
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if (erq->flags & IW_ENCODE_DISABLED) {
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if (key_provided && *crypt) {
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IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n",
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key);
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ieee80211_crypt_delayed_deinit(ieee, crypt);
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} else
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IEEE80211_DEBUG_WX("Disabling encryption.\n");
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/* Check all the keys to see if any are still configured,
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* and if no key index was provided, de-init them all */
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for (i = 0; i < WEP_KEYS; i++) {
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if (ieee->crypt[i] != NULL) {
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if (key_provided)
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break;
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ieee80211_crypt_delayed_deinit(
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ieee, &ieee->crypt[i]);
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}
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}
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if (i == WEP_KEYS) {
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sec.enabled = 0;
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sec.level = SEC_LEVEL_0;
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sec.flags |= SEC_ENABLED | SEC_LEVEL;
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}
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goto done;
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}
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sec.enabled = 1;
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sec.flags |= SEC_ENABLED;
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if (*crypt != NULL && (*crypt)->ops != NULL &&
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strcmp((*crypt)->ops->name, "WEP") != 0) {
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/* changing to use WEP; deinit previously used algorithm
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* on this key */
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ieee80211_crypt_delayed_deinit(ieee, crypt);
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}
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if (*crypt == NULL) {
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struct ieee80211_crypt_data *new_crypt;
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/* take WEP into use */
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new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data),
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GFP_KERNEL);
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if (new_crypt == NULL)
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return -ENOMEM;
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new_crypt->ops = ieee80211_get_crypto_ops("WEP");
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if (!new_crypt->ops) {
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request_module("ieee80211_crypt_wep");
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new_crypt->ops = ieee80211_get_crypto_ops("WEP");
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}
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if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
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new_crypt->priv = new_crypt->ops->init(key);
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if (!new_crypt->ops || !new_crypt->priv) {
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kfree(new_crypt);
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new_crypt = NULL;
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printk(KERN_WARNING "%s: could not initialize WEP: "
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"load module ieee80211_crypt_wep\n",
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dev->name);
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return -EOPNOTSUPP;
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}
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*crypt = new_crypt;
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}
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/* If a new key was provided, set it up */
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if (erq->length > 0) {
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len = erq->length <= 5 ? 5 : 13;
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memcpy(sec.keys[key], keybuf, erq->length);
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if (len > erq->length)
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memset(sec.keys[key] + erq->length, 0,
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len - erq->length);
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IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n",
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key, escape_essid(sec.keys[key], len),
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erq->length, len);
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sec.key_sizes[key] = len;
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(*crypt)->ops->set_key(sec.keys[key], len, NULL,
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(*crypt)->priv);
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sec.flags |= (1 << key);
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/* This ensures a key will be activated if no key is
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* explicitely set */
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if (key == sec.active_key)
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sec.flags |= SEC_ACTIVE_KEY;
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ieee->tx_keyidx = key;
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} else {
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len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
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NULL, (*crypt)->priv);
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if (len == 0) {
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/* Set a default key of all 0 */
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printk("Setting key %d to all zero.\n",
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key);
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IEEE80211_DEBUG_WX("Setting key %d to all zero.\n",
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key);
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memset(sec.keys[key], 0, 13);
|
|
(*crypt)->ops->set_key(sec.keys[key], 13, NULL,
|
|
(*crypt)->priv);
|
|
sec.key_sizes[key] = 13;
|
|
sec.flags |= (1 << key);
|
|
}
|
|
|
|
/* No key data - just set the default TX key index */
|
|
if (key_provided) {
|
|
IEEE80211_DEBUG_WX(
|
|
"Setting key %d to default Tx key.\n", key);
|
|
ieee->tx_keyidx = key;
|
|
sec.active_key = key;
|
|
sec.flags |= SEC_ACTIVE_KEY;
|
|
}
|
|
}
|
|
|
|
done:
|
|
ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
|
|
ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
|
|
sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
|
|
sec.flags |= SEC_AUTH_MODE;
|
|
IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ?
|
|
"OPEN" : "SHARED KEY");
|
|
|
|
/* For now we just support WEP, so only set that security level...
|
|
* TODO: When WPA is added this is one place that needs to change */
|
|
sec.flags |= SEC_LEVEL;
|
|
sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */
|
|
|
|
if (ieee->set_security)
|
|
ieee->set_security(dev, &sec);
|
|
|
|
/* Do not reset port if card is in Managed mode since resetting will
|
|
* generate new IEEE 802.11 authentication which may end up in looping
|
|
* with IEEE 802.1X. If your hardware requires a reset after WEP
|
|
* configuration (for example... Prism2), implement the reset_port in
|
|
* the callbacks structures used to initialize the 802.11 stack. */
|
|
if (ieee->reset_on_keychange &&
|
|
ieee->iw_mode != IW_MODE_INFRA &&
|
|
ieee->reset_port && ieee->reset_port(dev)) {
|
|
printk(KERN_DEBUG "%s: reset_port failed\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ieee80211_wx_get_encode(struct ieee80211_device *ieee,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *keybuf)
|
|
{
|
|
struct iw_point *erq = &(wrqu->encoding);
|
|
int len, key;
|
|
struct ieee80211_crypt_data *crypt;
|
|
|
|
IEEE80211_DEBUG_WX("GET_ENCODE\n");
|
|
|
|
if(ieee->iw_mode == IW_MODE_MONITOR)
|
|
return -1;
|
|
|
|
key = erq->flags & IW_ENCODE_INDEX;
|
|
if (key) {
|
|
if (key > WEP_KEYS)
|
|
return -EINVAL;
|
|
key--;
|
|
} else
|
|
key = ieee->tx_keyidx;
|
|
|
|
crypt = ieee->crypt[key];
|
|
erq->flags = key + 1;
|
|
|
|
if (crypt == NULL || crypt->ops == NULL) {
|
|
erq->length = 0;
|
|
erq->flags |= IW_ENCODE_DISABLED;
|
|
return 0;
|
|
}
|
|
len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
|
|
erq->length = (len >= 0 ? len : 0);
|
|
|
|
erq->flags |= IW_ENCODE_ENABLED;
|
|
|
|
if (ieee->open_wep)
|
|
erq->flags |= IW_ENCODE_OPEN;
|
|
else
|
|
erq->flags |= IW_ENCODE_RESTRICTED;
|
|
|
|
return 0;
|
|
}
|
|
#if (WIRELESS_EXT >= 18)
|
|
int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
int ret = 0;
|
|
struct net_device *dev = ieee->dev;
|
|
struct iw_point *encoding = &wrqu->encoding;
|
|
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
|
|
int i, idx;
|
|
int group_key = 0;
|
|
const char *alg, *module;
|
|
struct ieee80211_crypto_ops *ops;
|
|
struct ieee80211_crypt_data **crypt;
|
|
|
|
struct ieee80211_security sec = {
|
|
.flags = 0,
|
|
};
|
|
//printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg);
|
|
idx = encoding->flags & IW_ENCODE_INDEX;
|
|
if (idx) {
|
|
if (idx < 1 || idx > WEP_KEYS)
|
|
return -EINVAL;
|
|
idx--;
|
|
} else
|
|
idx = ieee->tx_keyidx;
|
|
|
|
if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
|
|
|
|
crypt = &ieee->crypt[idx];
|
|
|
|
group_key = 1;
|
|
} else {
|
|
/* some Cisco APs use idx>0 for unicast in dynamic WEP */
|
|
//printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg);
|
|
if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
|
|
return -EINVAL;
|
|
if (ieee->iw_mode == IW_MODE_INFRA)
|
|
|
|
crypt = &ieee->crypt[idx];
|
|
|
|
else
|
|
return -EINVAL;
|
|
}
|
|
|
|
sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT;
|
|
if ((encoding->flags & IW_ENCODE_DISABLED) ||
|
|
ext->alg == IW_ENCODE_ALG_NONE) {
|
|
if (*crypt)
|
|
ieee80211_crypt_delayed_deinit(ieee, crypt);
|
|
|
|
for (i = 0; i < WEP_KEYS; i++)
|
|
|
|
if (ieee->crypt[i] != NULL)
|
|
|
|
break;
|
|
|
|
if (i == WEP_KEYS) {
|
|
sec.enabled = 0;
|
|
// sec.encrypt = 0;
|
|
sec.level = SEC_LEVEL_0;
|
|
sec.flags |= SEC_LEVEL;
|
|
}
|
|
//printk("disabled: flag:%x\n", encoding->flags);
|
|
goto done;
|
|
}
|
|
|
|
sec.enabled = 1;
|
|
// sec.encrypt = 1;
|
|
switch (ext->alg) {
|
|
case IW_ENCODE_ALG_WEP:
|
|
alg = "WEP";
|
|
module = "ieee80211_crypt_wep";
|
|
break;
|
|
case IW_ENCODE_ALG_TKIP:
|
|
alg = "TKIP";
|
|
module = "ieee80211_crypt_tkip";
|
|
break;
|
|
case IW_ENCODE_ALG_CCMP:
|
|
alg = "CCMP";
|
|
module = "ieee80211_crypt_ccmp";
|
|
break;
|
|
default:
|
|
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
|
|
dev->name, ext->alg);
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
printk("alg name:%s\n",alg);
|
|
|
|
ops = ieee80211_get_crypto_ops(alg);
|
|
if (ops == NULL) {
|
|
request_module(module);
|
|
ops = ieee80211_get_crypto_ops(alg);
|
|
}
|
|
if (ops == NULL) {
|
|
IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n",
|
|
dev->name, ext->alg);
|
|
printk("========>unknown crypto alg %d\n", ext->alg);
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
if (*crypt == NULL || (*crypt)->ops != ops) {
|
|
struct ieee80211_crypt_data *new_crypt;
|
|
|
|
ieee80211_crypt_delayed_deinit(ieee, crypt);
|
|
|
|
new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL);
|
|
if (new_crypt == NULL) {
|
|
ret = -ENOMEM;
|
|
goto done;
|
|
}
|
|
new_crypt->ops = ops;
|
|
if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
|
|
new_crypt->priv = new_crypt->ops->init(idx);
|
|
if (new_crypt->priv == NULL) {
|
|
kfree(new_crypt);
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
*crypt = new_crypt;
|
|
|
|
}
|
|
|
|
if (ext->key_len > 0 && (*crypt)->ops->set_key &&
|
|
(*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq,
|
|
(*crypt)->priv) < 0) {
|
|
IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name);
|
|
printk("key setting failed\n");
|
|
ret = -EINVAL;
|
|
goto done;
|
|
}
|
|
//skip_host_crypt:
|
|
//printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags);
|
|
if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
|
|
ieee->tx_keyidx = idx;
|
|
sec.active_key = idx;
|
|
sec.flags |= SEC_ACTIVE_KEY;
|
|
}
|
|
|
|
if (ext->alg != IW_ENCODE_ALG_NONE) {
|
|
//memcpy(sec.keys[idx], ext->key, ext->key_len);
|
|
sec.key_sizes[idx] = ext->key_len;
|
|
sec.flags |= (1 << idx);
|
|
if (ext->alg == IW_ENCODE_ALG_WEP) {
|
|
// sec.encode_alg[idx] = SEC_ALG_WEP;
|
|
sec.flags |= SEC_LEVEL;
|
|
sec.level = SEC_LEVEL_1;
|
|
} else if (ext->alg == IW_ENCODE_ALG_TKIP) {
|
|
// sec.encode_alg[idx] = SEC_ALG_TKIP;
|
|
sec.flags |= SEC_LEVEL;
|
|
sec.level = SEC_LEVEL_2;
|
|
} else if (ext->alg == IW_ENCODE_ALG_CCMP) {
|
|
// sec.encode_alg[idx] = SEC_ALG_CCMP;
|
|
sec.flags |= SEC_LEVEL;
|
|
sec.level = SEC_LEVEL_3;
|
|
}
|
|
/* Don't set sec level for group keys. */
|
|
if (group_key)
|
|
sec.flags &= ~SEC_LEVEL;
|
|
}
|
|
done:
|
|
if (ieee->set_security)
|
|
ieee->set_security(ieee->dev, &sec);
|
|
|
|
if (ieee->reset_on_keychange &&
|
|
ieee->iw_mode != IW_MODE_INFRA &&
|
|
ieee->reset_port && ieee->reset_port(dev)) {
|
|
IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name);
|
|
return -EINVAL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct iw_point *encoding = &wrqu->encoding;
|
|
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
|
|
struct ieee80211_crypt_data *crypt;
|
|
int idx, max_key_len;
|
|
|
|
max_key_len = encoding->length - sizeof(*ext);
|
|
if (max_key_len < 0)
|
|
return -EINVAL;
|
|
|
|
idx = encoding->flags & IW_ENCODE_INDEX;
|
|
if (idx) {
|
|
if (idx < 1 || idx > WEP_KEYS)
|
|
return -EINVAL;
|
|
idx--;
|
|
} else
|
|
idx = ieee->tx_keyidx;
|
|
|
|
if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
|
|
ext->alg != IW_ENCODE_ALG_WEP)
|
|
if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
|
|
return -EINVAL;
|
|
|
|
crypt = ieee->crypt[idx];
|
|
encoding->flags = idx + 1;
|
|
memset(ext, 0, sizeof(*ext));
|
|
|
|
if (crypt == NULL || crypt->ops == NULL ) {
|
|
ext->alg = IW_ENCODE_ALG_NONE;
|
|
ext->key_len = 0;
|
|
encoding->flags |= IW_ENCODE_DISABLED;
|
|
} else {
|
|
if (strcmp(crypt->ops->name, "WEP") == 0 )
|
|
ext->alg = IW_ENCODE_ALG_WEP;
|
|
else if (strcmp(crypt->ops->name, "TKIP"))
|
|
ext->alg = IW_ENCODE_ALG_TKIP;
|
|
else if (strcmp(crypt->ops->name, "CCMP"))
|
|
ext->alg = IW_ENCODE_ALG_CCMP;
|
|
else
|
|
return -EINVAL;
|
|
ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv);
|
|
encoding->flags |= IW_ENCODE_ENABLED;
|
|
if (ext->key_len &&
|
|
(ext->alg == IW_ENCODE_ALG_TKIP ||
|
|
ext->alg == IW_ENCODE_ALG_CCMP))
|
|
ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID;
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ieee80211_wx_set_mlme(struct ieee80211_device *ieee,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct iw_mlme *mlme = (struct iw_mlme *) extra;
|
|
switch (mlme->cmd) {
|
|
case IW_MLME_DEAUTH:
|
|
case IW_MLME_DISASSOC:
|
|
ieee80211_disassociate(ieee);
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
|
|
struct iw_request_info *info,
|
|
struct iw_param *data, char *extra)
|
|
{
|
|
switch (data->flags & IW_AUTH_INDEX) {
|
|
case IW_AUTH_WPA_VERSION:
|
|
/*need to support wpa2 here*/
|
|
//printk("wpa version:%x\n", data->value);
|
|
break;
|
|
case IW_AUTH_CIPHER_PAIRWISE:
|
|
case IW_AUTH_CIPHER_GROUP:
|
|
case IW_AUTH_KEY_MGMT:
|
|
/*
|
|
* * Host AP driver does not use these parameters and allows
|
|
* * wpa_supplicant to control them internally.
|
|
* */
|
|
break;
|
|
case IW_AUTH_TKIP_COUNTERMEASURES:
|
|
ieee->tkip_countermeasures = data->value;
|
|
break;
|
|
case IW_AUTH_DROP_UNENCRYPTED:
|
|
ieee->drop_unencrypted = data->value;
|
|
break;
|
|
|
|
case IW_AUTH_80211_AUTH_ALG:
|
|
//printk("======>%s():data->value is %d\n",__FUNCTION__,data->value);
|
|
// ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0;
|
|
if(data->value & IW_AUTH_ALG_SHARED_KEY){
|
|
ieee->open_wep = 0;
|
|
ieee->auth_mode = 1;
|
|
}
|
|
else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){
|
|
ieee->open_wep = 1;
|
|
ieee->auth_mode = 0;
|
|
}
|
|
else if(data->value & IW_AUTH_ALG_LEAP){
|
|
ieee->open_wep = 1;
|
|
ieee->auth_mode = 2;
|
|
//printk("hahahaa:LEAP\n");
|
|
}
|
|
else
|
|
return -EINVAL;
|
|
//printk("open_wep:%d\n", ieee->open_wep);
|
|
break;
|
|
|
|
case IW_AUTH_WPA_ENABLED:
|
|
ieee->wpa_enabled = (data->value)?1:0;
|
|
//printk("enalbe wpa:%d\n", ieee->wpa_enabled);
|
|
break;
|
|
|
|
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
|
|
ieee->ieee802_1x = data->value;
|
|
break;
|
|
case IW_AUTH_PRIVACY_INVOKED:
|
|
ieee->privacy_invoked = data->value;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len)
|
|
{
|
|
u8 *buf;
|
|
|
|
if (len>MAX_WPA_IE_LEN || (len && ie == NULL))
|
|
{
|
|
// printk("return error out, len:%d\n", len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
if (len)
|
|
{
|
|
if (len != ie[1]+2)
|
|
{
|
|
printk("len:%zu, ie:%d\n", len, ie[1]);
|
|
return -EINVAL;
|
|
}
|
|
buf = kmemdup(ie, len, GFP_KERNEL);
|
|
if (buf == NULL)
|
|
return -ENOMEM;
|
|
kfree(ieee->wpa_ie);
|
|
ieee->wpa_ie = buf;
|
|
ieee->wpa_ie_len = len;
|
|
}
|
|
else{
|
|
kfree(ieee->wpa_ie);
|
|
ieee->wpa_ie = NULL;
|
|
ieee->wpa_ie_len = 0;
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL(ieee80211_wx_set_gen_ie);
|
|
#if (WIRELESS_EXT >= 18)
|
|
EXPORT_SYMBOL(ieee80211_wx_set_mlme);
|
|
EXPORT_SYMBOL(ieee80211_wx_set_auth);
|
|
EXPORT_SYMBOL(ieee80211_wx_set_encode_ext);
|
|
EXPORT_SYMBOL(ieee80211_wx_get_encode_ext);
|
|
#endif
|
|
EXPORT_SYMBOL(ieee80211_wx_get_scan);
|
|
EXPORT_SYMBOL(ieee80211_wx_set_encode);
|
|
EXPORT_SYMBOL(ieee80211_wx_get_encode);
|