1095 lines
28 KiB
C
1095 lines
28 KiB
C
/*-
|
|
* Copyright (c) 2001 Atsushi Onoe
|
|
* Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* IEEE 802.11 ioctl support (FreeBSD-specific)
|
|
*/
|
|
|
|
#include "opt_inet.h"
|
|
#include "opt_ipx.h"
|
|
|
|
#include <sys/endian.h>
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_arp.h>
|
|
#include <net/if_media.h>
|
|
#include <net/ethernet.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#endif
|
|
|
|
#ifdef IPX
|
|
#include <netipx/ipx.h>
|
|
#include <netipx/ipx_if.h>
|
|
#endif
|
|
|
|
#include <net80211/ieee80211_var.h>
|
|
#include <net80211/ieee80211_ioctl.h>
|
|
|
|
#include <dev/wi/if_wavelan_ieee.h>
|
|
|
|
/*
|
|
* XXX
|
|
* Wireless LAN specific configuration interface, which is compatible
|
|
* with wicontrol(8).
|
|
*/
|
|
|
|
int
|
|
ieee80211_cfgget(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct ieee80211com *ic = (void *)ifp;
|
|
int i, j, error;
|
|
struct ifreq *ifr = (struct ifreq *)data;
|
|
struct wi_req wreq;
|
|
struct wi_ltv_keys *keys;
|
|
struct wi_apinfo *ap;
|
|
struct ieee80211_node *ni;
|
|
struct ieee80211_rateset *rs;
|
|
struct wi_sigcache wsc;
|
|
struct wi_scan_p2_hdr *p2;
|
|
struct wi_scan_res *res;
|
|
|
|
error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
|
|
if (error)
|
|
return error;
|
|
wreq.wi_len = 0;
|
|
switch (wreq.wi_type) {
|
|
case WI_RID_SERIALNO:
|
|
/* nothing appropriate */
|
|
break;
|
|
case WI_RID_NODENAME:
|
|
strcpy((char *)&wreq.wi_val[1], hostname);
|
|
wreq.wi_val[0] = htole16(strlen(hostname));
|
|
wreq.wi_len = (1 + strlen(hostname) + 1) / 2;
|
|
break;
|
|
case WI_RID_CURRENT_SSID:
|
|
if (ic->ic_state != IEEE80211_S_RUN) {
|
|
wreq.wi_val[0] = 0;
|
|
wreq.wi_len = 1;
|
|
break;
|
|
}
|
|
wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen);
|
|
memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid,
|
|
ic->ic_bss->ni_esslen);
|
|
wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2;
|
|
break;
|
|
case WI_RID_OWN_SSID:
|
|
case WI_RID_DESIRED_SSID:
|
|
wreq.wi_val[0] = htole16(ic->ic_des_esslen);
|
|
memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen);
|
|
wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2;
|
|
break;
|
|
case WI_RID_CURRENT_BSSID:
|
|
if (ic->ic_state == IEEE80211_S_RUN)
|
|
IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid);
|
|
else
|
|
memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN);
|
|
wreq.wi_len = IEEE80211_ADDR_LEN / 2;
|
|
break;
|
|
case WI_RID_CHANNEL_LIST:
|
|
memset(wreq.wi_val, 0, sizeof(wreq.wi_val));
|
|
/*
|
|
* Since channel 0 is not available for DS, channel 1
|
|
* is assigned to LSB on WaveLAN.
|
|
*/
|
|
if (ic->ic_phytype == IEEE80211_T_DS)
|
|
i = 1;
|
|
else
|
|
i = 0;
|
|
for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++)
|
|
if (isset(ic->ic_chan_active, i)) {
|
|
setbit((u_int8_t *)wreq.wi_val, j);
|
|
wreq.wi_len = j / 16 + 1;
|
|
}
|
|
break;
|
|
case WI_RID_OWN_CHNL:
|
|
wreq.wi_val[0] = htole16(
|
|
ieee80211_chan2ieee(ic, ic->ic_ibss_chan));
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_CURRENT_CHAN:
|
|
wreq.wi_val[0] = htole16(
|
|
ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan));
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_COMMS_QUALITY:
|
|
wreq.wi_val[0] = 0; /* quality */
|
|
wreq.wi_val[1] =
|
|
htole16((*ic->ic_node_getrssi)(ic, ic->ic_bss));
|
|
wreq.wi_val[2] = 0; /* noise */
|
|
wreq.wi_len = 3;
|
|
break;
|
|
case WI_RID_PROMISC:
|
|
wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_PORTTYPE:
|
|
wreq.wi_val[0] = htole16(ic->ic_opmode);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_MAC_NODE:
|
|
IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr);
|
|
wreq.wi_len = IEEE80211_ADDR_LEN / 2;
|
|
break;
|
|
case WI_RID_TX_RATE:
|
|
if (ic->ic_fixed_rate == -1)
|
|
wreq.wi_val[0] = 0; /* auto */
|
|
else
|
|
wreq.wi_val[0] = htole16(
|
|
(ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] &
|
|
IEEE80211_RATE_VAL) / 2);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_CUR_TX_RATE:
|
|
wreq.wi_val[0] = htole16(
|
|
(ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] &
|
|
IEEE80211_RATE_VAL) / 2);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_RTS_THRESH:
|
|
wreq.wi_val[0] = htole16(ic->ic_rtsthreshold);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_CREATE_IBSS:
|
|
wreq.wi_val[0] =
|
|
htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_MICROWAVE_OVEN:
|
|
wreq.wi_val[0] = 0; /* no ... not supported */
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_ROAMING_MODE:
|
|
wreq.wi_val[0] = htole16(1); /* enabled ... not supported */
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_SYSTEM_SCALE:
|
|
wreq.wi_val[0] = htole16(1); /* low density ... not supp */
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_PM_ENABLED:
|
|
wreq.wi_val[0] =
|
|
htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_MAX_SLEEP:
|
|
wreq.wi_val[0] = htole16(ic->ic_lintval);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_CUR_BEACON_INT:
|
|
wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_WEP_AVAIL:
|
|
wreq.wi_val[0] =
|
|
htole16((ic->ic_caps & IEEE80211_C_WEP) ? 1 : 0);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_CNFAUTHMODE:
|
|
wreq.wi_val[0] = htole16(1); /* TODO: open system only */
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_ENCRYPTION:
|
|
wreq.wi_val[0] =
|
|
htole16((ic->ic_flags & IEEE80211_F_WEPON) ? 1 : 0);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_TX_CRYPT_KEY:
|
|
wreq.wi_val[0] = htole16(ic->ic_wep_txkey);
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_DEFLT_CRYPT_KEYS:
|
|
keys = (struct wi_ltv_keys *)&wreq;
|
|
/* do not show keys to non-root user */
|
|
error = suser(curthread);
|
|
if (error) {
|
|
memset(keys, 0, sizeof(*keys));
|
|
error = 0;
|
|
break;
|
|
}
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
keys->wi_keys[i].wi_keylen =
|
|
htole16(ic->ic_nw_keys[i].wk_len);
|
|
memcpy(keys->wi_keys[i].wi_keydat,
|
|
ic->ic_nw_keys[i].wk_key, ic->ic_nw_keys[i].wk_len);
|
|
}
|
|
wreq.wi_len = sizeof(*keys) / 2;
|
|
break;
|
|
case WI_RID_MAX_DATALEN:
|
|
wreq.wi_val[0] = htole16(IEEE80211_MAX_LEN); /* TODO: frag */
|
|
wreq.wi_len = 1;
|
|
break;
|
|
case WI_RID_IFACE_STATS:
|
|
/* XXX: should be implemented in lower drivers */
|
|
break;
|
|
case WI_RID_READ_APS:
|
|
if (ic->ic_opmode != IEEE80211_M_HOSTAP) {
|
|
/*
|
|
* Don't return results until active scan completes.
|
|
*/
|
|
if (ic->ic_state == IEEE80211_S_SCAN &&
|
|
(ic->ic_flags & IEEE80211_F_ASCAN)) {
|
|
error = EINPROGRESS;
|
|
break;
|
|
}
|
|
}
|
|
i = 0;
|
|
ap = (void *)((char *)wreq.wi_val + sizeof(i));
|
|
TAILQ_FOREACH(ni, &ic->ic_node, ni_list) {
|
|
if ((caddr_t)(ap + 1) > (caddr_t)(&wreq + 1))
|
|
break;
|
|
memset(ap, 0, sizeof(*ap));
|
|
if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
|
|
IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr);
|
|
ap->namelen = ic->ic_des_esslen;
|
|
if (ic->ic_des_esslen)
|
|
memcpy(ap->name, ic->ic_des_essid,
|
|
ic->ic_des_esslen);
|
|
} else {
|
|
IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid);
|
|
ap->namelen = ni->ni_esslen;
|
|
if (ni->ni_esslen)
|
|
memcpy(ap->name, ni->ni_essid,
|
|
ni->ni_esslen);
|
|
}
|
|
ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan);
|
|
ap->signal = (*ic->ic_node_getrssi)(ic, ni);
|
|
ap->capinfo = ni->ni_capinfo;
|
|
ap->interval = ni->ni_intval;
|
|
rs = &ni->ni_rates;
|
|
for (j = 0; j < rs->rs_nrates; j++) {
|
|
if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) {
|
|
ap->rate = (rs->rs_rates[j] &
|
|
IEEE80211_RATE_VAL) * 5; /* XXX */
|
|
}
|
|
}
|
|
i++;
|
|
ap++;
|
|
}
|
|
memcpy(wreq.wi_val, &i, sizeof(i));
|
|
wreq.wi_len = (sizeof(int) + sizeof(*ap) * i) / 2;
|
|
break;
|
|
case WI_RID_PRISM2:
|
|
wreq.wi_val[0] = 1; /* XXX lie so SCAN_RES can give rates */
|
|
wreq.wi_len = sizeof(u_int16_t) / 2;
|
|
break;
|
|
case WI_RID_SCAN_RES: /* compatibility interface */
|
|
if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
|
|
ic->ic_state == IEEE80211_S_SCAN &&
|
|
(ic->ic_flags & IEEE80211_F_ASCAN)) {
|
|
error = EINPROGRESS;
|
|
break;
|
|
}
|
|
/* NB: we use the Prism2 format so we can return rate info */
|
|
p2 = (struct wi_scan_p2_hdr *)wreq.wi_val;
|
|
res = (void *)&p2[1];
|
|
i = 0;
|
|
TAILQ_FOREACH(ni, &ic->ic_node, ni_list) {
|
|
if ((caddr_t)(res + 1) > (caddr_t)(&wreq + 1))
|
|
break;
|
|
res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan);
|
|
res->wi_noise = 0;
|
|
res->wi_signal = (*ic->ic_node_getrssi)(ic, ni);
|
|
IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid);
|
|
res->wi_interval = ni->ni_intval;
|
|
res->wi_capinfo = ni->ni_capinfo;
|
|
res->wi_ssid_len = ni->ni_esslen;
|
|
memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN);
|
|
/* NB: assumes wi_srates holds <= ni->ni_rates */
|
|
memcpy(res->wi_srates, ni->ni_rates.rs_rates,
|
|
sizeof(res->wi_srates));
|
|
if (ni->ni_rates.rs_nrates < 10)
|
|
res->wi_srates[ni->ni_rates.rs_nrates] = 0;
|
|
res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate];
|
|
res->wi_rsvd = 0;
|
|
res++, i++;
|
|
}
|
|
p2->wi_rsvd = 0;
|
|
p2->wi_reason = i;
|
|
wreq.wi_len = (sizeof(*p2) + sizeof(*res) * i) / 2;
|
|
break;
|
|
case WI_RID_READ_CACHE:
|
|
i = 0;
|
|
TAILQ_FOREACH(ni, &ic->ic_node, ni_list) {
|
|
if (i == (WI_MAX_DATALEN/sizeof(struct wi_sigcache))-1)
|
|
break;
|
|
IEEE80211_ADDR_COPY(wsc.macsrc, ni->ni_macaddr);
|
|
memset(&wsc.ipsrc, 0, sizeof(wsc.ipsrc));
|
|
wsc.signal = (*ic->ic_node_getrssi)(ic, ni);
|
|
wsc.noise = 0;
|
|
wsc.quality = 0;
|
|
memcpy((caddr_t)wreq.wi_val + sizeof(wsc) * i,
|
|
&wsc, sizeof(wsc));
|
|
i++;
|
|
}
|
|
wreq.wi_len = sizeof(wsc) * i / 2;
|
|
break;
|
|
case WI_RID_SCAN_APS:
|
|
error = EINVAL;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if (error == 0) {
|
|
wreq.wi_len++;
|
|
error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
|
|
}
|
|
return error;
|
|
}
|
|
|
|
static int
|
|
findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate)
|
|
{
|
|
#define IEEERATE(_ic,_m,_i) \
|
|
((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL)
|
|
int i, nrates = ic->ic_sup_rates[mode].rs_nrates;
|
|
for (i = 0; i < nrates; i++)
|
|
if (IEEERATE(ic, mode, i) == rate)
|
|
return i;
|
|
return -1;
|
|
#undef IEEERATE
|
|
}
|
|
|
|
/*
|
|
* Prepare to do a user-initiated scan for AP's. If no
|
|
* current/default channel is setup or the current channel
|
|
* is invalid then pick the first available channel from
|
|
* the active list as the place to start the scan.
|
|
*/
|
|
static int
|
|
ieee80211_setupscan(struct ieee80211com *ic)
|
|
{
|
|
u_char *chanlist = ic->ic_chan_active;
|
|
int i;
|
|
|
|
if (ic->ic_ibss_chan == NULL ||
|
|
isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) {
|
|
for (i = 0; i <= IEEE80211_CHAN_MAX; i++)
|
|
if (isset(chanlist, i)) {
|
|
ic->ic_ibss_chan = &ic->ic_channels[i];
|
|
goto found;
|
|
}
|
|
return EINVAL; /* no active channels */
|
|
found:
|
|
;
|
|
}
|
|
if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC ||
|
|
isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)))
|
|
ic->ic_bss->ni_chan = ic->ic_ibss_chan;
|
|
/*
|
|
* XXX don't permit a scan to be started unless we
|
|
* know the device is ready. For the moment this means
|
|
* the device is marked up as this is the required to
|
|
* initialize the hardware. It would be better to permit
|
|
* scanning prior to being up but that'll require some
|
|
* changes to the infrastructure.
|
|
*/
|
|
return (ic->ic_if.if_flags & IFF_UP) ? 0 : ENETRESET;
|
|
}
|
|
|
|
int
|
|
ieee80211_cfgset(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct ieee80211com *ic = (void *)ifp;
|
|
int i, j, len, error, rate;
|
|
struct ifreq *ifr = (struct ifreq *)data;
|
|
struct wi_ltv_keys *keys;
|
|
struct wi_req wreq;
|
|
u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)];
|
|
|
|
error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
|
|
if (error)
|
|
return error;
|
|
len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0;
|
|
switch (wreq.wi_type) {
|
|
case WI_RID_SERIALNO:
|
|
case WI_RID_NODENAME:
|
|
return EPERM;
|
|
case WI_RID_CURRENT_SSID:
|
|
return EPERM;
|
|
case WI_RID_OWN_SSID:
|
|
case WI_RID_DESIRED_SSID:
|
|
if (le16toh(wreq.wi_val[0]) * 2 > len ||
|
|
le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) {
|
|
error = ENOSPC;
|
|
break;
|
|
}
|
|
memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid));
|
|
ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2;
|
|
memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen);
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_CURRENT_BSSID:
|
|
return EPERM;
|
|
case WI_RID_OWN_CHNL:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
i = le16toh(wreq.wi_val[0]);
|
|
if (i < 0 ||
|
|
i > IEEE80211_CHAN_MAX ||
|
|
isclr(ic->ic_chan_active, i))
|
|
return EINVAL;
|
|
ic->ic_ibss_chan = &ic->ic_channels[i];
|
|
if (ic->ic_flags & IEEE80211_F_SIBSS)
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_CURRENT_CHAN:
|
|
return EPERM;
|
|
case WI_RID_COMMS_QUALITY:
|
|
return EPERM;
|
|
case WI_RID_PROMISC:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (ifp->if_flags & IFF_PROMISC) {
|
|
if (wreq.wi_val[0] == 0) {
|
|
ifp->if_flags &= ~IFF_PROMISC;
|
|
error = ENETRESET;
|
|
}
|
|
} else {
|
|
if (wreq.wi_val[0] != 0) {
|
|
ifp->if_flags |= IFF_PROMISC;
|
|
error = ENETRESET;
|
|
}
|
|
}
|
|
break;
|
|
case WI_RID_PORTTYPE:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
switch (le16toh(wreq.wi_val[0])) {
|
|
case IEEE80211_M_STA:
|
|
break;
|
|
case IEEE80211_M_IBSS:
|
|
if (!(ic->ic_caps & IEEE80211_C_IBSS))
|
|
return EINVAL;
|
|
break;
|
|
case IEEE80211_M_AHDEMO:
|
|
if (ic->ic_phytype != IEEE80211_T_DS ||
|
|
!(ic->ic_caps & IEEE80211_C_AHDEMO))
|
|
return EINVAL;
|
|
break;
|
|
case IEEE80211_M_HOSTAP:
|
|
if (!(ic->ic_caps & IEEE80211_C_HOSTAP))
|
|
return EINVAL;
|
|
break;
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) {
|
|
ic->ic_opmode = le16toh(wreq.wi_val[0]);
|
|
error = ENETRESET;
|
|
}
|
|
break;
|
|
#if 0
|
|
case WI_RID_MAC_NODE:
|
|
if (len != IEEE80211_ADDR_LEN)
|
|
return EINVAL;
|
|
IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val);
|
|
/* if_init will copy lladdr into ic_myaddr */
|
|
error = ENETRESET;
|
|
break;
|
|
#endif
|
|
case WI_RID_TX_RATE:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (wreq.wi_val[0] == 0) {
|
|
/* auto */
|
|
ic->ic_fixed_rate = -1;
|
|
break;
|
|
}
|
|
rate = 2 * le16toh(wreq.wi_val[0]);
|
|
if (ic->ic_curmode == IEEE80211_MODE_AUTO) {
|
|
/*
|
|
* In autoselect mode search for the rate. We take
|
|
* the first instance which may not be right, but we
|
|
* are limited by the interface. Note that we also
|
|
* lock the mode to insure the rate is meaningful
|
|
* when it is used.
|
|
*/
|
|
for (j = IEEE80211_MODE_11A;
|
|
j < IEEE80211_MODE_MAX; j++) {
|
|
if ((ic->ic_modecaps & (1<<j)) == 0)
|
|
continue;
|
|
i = findrate(ic, j, rate);
|
|
if (i != -1) {
|
|
/* lock mode too */
|
|
ic->ic_curmode = j;
|
|
goto setrate;
|
|
}
|
|
}
|
|
} else {
|
|
i = findrate(ic, ic->ic_curmode, rate);
|
|
if (i != -1)
|
|
goto setrate;
|
|
}
|
|
return EINVAL;
|
|
setrate:
|
|
ic->ic_fixed_rate = i;
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_CUR_TX_RATE:
|
|
return EPERM;
|
|
case WI_RID_RTS_THRESH:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN)
|
|
return EINVAL; /* TODO: RTS */
|
|
break;
|
|
case WI_RID_CREATE_IBSS:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (wreq.wi_val[0] != 0) {
|
|
if ((ic->ic_caps & IEEE80211_C_IBSS) == 0)
|
|
return EINVAL;
|
|
if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) {
|
|
ic->ic_flags |= IEEE80211_F_IBSSON;
|
|
if (ic->ic_opmode == IEEE80211_M_IBSS &&
|
|
ic->ic_state == IEEE80211_S_SCAN)
|
|
error = ENETRESET;
|
|
}
|
|
} else {
|
|
if (ic->ic_flags & IEEE80211_F_IBSSON) {
|
|
ic->ic_flags &= ~IEEE80211_F_IBSSON;
|
|
if (ic->ic_flags & IEEE80211_F_SIBSS) {
|
|
ic->ic_flags &= ~IEEE80211_F_SIBSS;
|
|
error = ENETRESET;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case WI_RID_MICROWAVE_OVEN:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (wreq.wi_val[0] != 0)
|
|
return EINVAL; /* not supported */
|
|
break;
|
|
case WI_RID_ROAMING_MODE:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (le16toh(wreq.wi_val[0]) != 1)
|
|
return EINVAL; /* not supported */
|
|
break;
|
|
case WI_RID_SYSTEM_SCALE:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (le16toh(wreq.wi_val[0]) != 1)
|
|
return EINVAL; /* not supported */
|
|
break;
|
|
case WI_RID_PM_ENABLED:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (wreq.wi_val[0] != 0) {
|
|
if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
|
|
return EINVAL;
|
|
if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
|
|
ic->ic_flags |= IEEE80211_F_PMGTON;
|
|
error = ENETRESET;
|
|
}
|
|
} else {
|
|
if (ic->ic_flags & IEEE80211_F_PMGTON) {
|
|
ic->ic_flags &= ~IEEE80211_F_PMGTON;
|
|
error = ENETRESET;
|
|
}
|
|
}
|
|
break;
|
|
case WI_RID_MAX_SLEEP:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
ic->ic_lintval = le16toh(wreq.wi_val[0]);
|
|
if (ic->ic_flags & IEEE80211_F_PMGTON)
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_CUR_BEACON_INT:
|
|
return EPERM;
|
|
case WI_RID_WEP_AVAIL:
|
|
return EPERM;
|
|
case WI_RID_CNFAUTHMODE:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (le16toh(wreq.wi_val[0]) != 1)
|
|
return EINVAL; /* TODO: shared key auth */
|
|
break;
|
|
case WI_RID_ENCRYPTION:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
if (wreq.wi_val[0] != 0) {
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0)
|
|
return EINVAL;
|
|
if ((ic->ic_flags & IEEE80211_F_WEPON) == 0) {
|
|
ic->ic_flags |= IEEE80211_F_WEPON;
|
|
error = ENETRESET;
|
|
}
|
|
} else {
|
|
if (ic->ic_flags & IEEE80211_F_WEPON) {
|
|
ic->ic_flags &= ~IEEE80211_F_WEPON;
|
|
error = ENETRESET;
|
|
}
|
|
}
|
|
break;
|
|
case WI_RID_TX_CRYPT_KEY:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
i = le16toh(wreq.wi_val[0]);
|
|
if (i >= IEEE80211_WEP_NKID)
|
|
return EINVAL;
|
|
ic->ic_wep_txkey = i;
|
|
break;
|
|
case WI_RID_DEFLT_CRYPT_KEYS:
|
|
if (len != sizeof(struct wi_ltv_keys))
|
|
return EINVAL;
|
|
keys = (struct wi_ltv_keys *)&wreq;
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
len = le16toh(keys->wi_keys[i].wi_keylen);
|
|
if (len != 0 && len < IEEE80211_WEP_KEYLEN)
|
|
return EINVAL;
|
|
if (len > sizeof(ic->ic_nw_keys[i].wk_key))
|
|
return EINVAL;
|
|
}
|
|
memset(ic->ic_nw_keys, 0, sizeof(ic->ic_nw_keys));
|
|
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
|
|
len = le16toh(keys->wi_keys[i].wi_keylen);
|
|
ic->ic_nw_keys[i].wk_len = len;
|
|
memcpy(ic->ic_nw_keys[i].wk_key,
|
|
keys->wi_keys[i].wi_keydat, len);
|
|
}
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_MAX_DATALEN:
|
|
if (len != 2)
|
|
return EINVAL;
|
|
len = le16toh(wreq.wi_val[0]);
|
|
if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN)
|
|
return EINVAL;
|
|
if (len != IEEE80211_MAX_LEN)
|
|
return EINVAL; /* TODO: fragment */
|
|
ic->ic_fragthreshold = len;
|
|
error = ENETRESET;
|
|
break;
|
|
case WI_RID_IFACE_STATS:
|
|
error = EPERM;
|
|
break;
|
|
case WI_RID_SCAN_REQ: /* XXX wicontrol */
|
|
if (ic->ic_opmode == IEEE80211_M_HOSTAP)
|
|
break;
|
|
error = ieee80211_setupscan(ic);
|
|
if (error == 0)
|
|
error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
|
|
break;
|
|
case WI_RID_SCAN_APS:
|
|
if (ic->ic_opmode == IEEE80211_M_HOSTAP)
|
|
break;
|
|
len--; /* XXX: tx rate? */
|
|
/* FALLTHRU */
|
|
case WI_RID_CHANNEL_LIST:
|
|
memset(chanlist, 0, sizeof(chanlist));
|
|
/*
|
|
* Since channel 0 is not available for DS, channel 1
|
|
* is assigned to LSB on WaveLAN.
|
|
*/
|
|
if (ic->ic_phytype == IEEE80211_T_DS)
|
|
i = 1;
|
|
else
|
|
i = 0;
|
|
for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
|
|
if ((j / 8) >= len)
|
|
break;
|
|
if (isclr((u_int8_t *)wreq.wi_val, j))
|
|
continue;
|
|
if (isclr(ic->ic_chan_active, i)) {
|
|
if (wreq.wi_type != WI_RID_CHANNEL_LIST)
|
|
continue;
|
|
if (isclr(ic->ic_chan_avail, i))
|
|
return EPERM;
|
|
}
|
|
setbit(chanlist, i);
|
|
}
|
|
memcpy(ic->ic_chan_active, chanlist,
|
|
sizeof(ic->ic_chan_active));
|
|
error = ieee80211_setupscan(ic);
|
|
if (wreq.wi_type == WI_RID_CHANNEL_LIST) {
|
|
/* NB: ignore error from ieee80211_setupscan */
|
|
error = ENETRESET;
|
|
} else if (error == 0)
|
|
error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
int
|
|
ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct ieee80211com *ic = (void *)ifp;
|
|
int error = 0;
|
|
u_int kid, len;
|
|
struct ieee80211req *ireq;
|
|
struct ifreq *ifr;
|
|
u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE];
|
|
char tmpssid[IEEE80211_NWID_LEN];
|
|
struct ieee80211_channel *chan;
|
|
struct ifaddr *ifa; /* XXX */
|
|
|
|
switch (cmd) {
|
|
case SIOCSIFMEDIA:
|
|
case SIOCGIFMEDIA:
|
|
error = ifmedia_ioctl(ifp, (struct ifreq *) data,
|
|
&ic->ic_media, cmd);
|
|
break;
|
|
case SIOCG80211:
|
|
ireq = (struct ieee80211req *) data;
|
|
switch (ireq->i_type) {
|
|
case IEEE80211_IOC_SSID:
|
|
switch (ic->ic_state) {
|
|
case IEEE80211_S_INIT:
|
|
case IEEE80211_S_SCAN:
|
|
ireq->i_len = ic->ic_des_esslen;
|
|
memcpy(tmpssid, ic->ic_des_essid, ireq->i_len);
|
|
break;
|
|
default:
|
|
ireq->i_len = ic->ic_bss->ni_esslen;
|
|
memcpy(tmpssid, ic->ic_bss->ni_essid,
|
|
ireq->i_len);
|
|
break;
|
|
}
|
|
error = copyout(tmpssid, ireq->i_data, ireq->i_len);
|
|
break;
|
|
case IEEE80211_IOC_NUMSSIDS:
|
|
ireq->i_val = 1;
|
|
break;
|
|
case IEEE80211_IOC_WEP:
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0) {
|
|
ireq->i_val = IEEE80211_WEP_NOSUP;
|
|
} else {
|
|
if (ic->ic_flags & IEEE80211_F_WEPON) {
|
|
ireq->i_val =
|
|
IEEE80211_WEP_MIXED;
|
|
} else {
|
|
ireq->i_val =
|
|
IEEE80211_WEP_OFF;
|
|
}
|
|
}
|
|
break;
|
|
case IEEE80211_IOC_WEPKEY:
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
kid = (u_int) ireq->i_val;
|
|
if (kid >= IEEE80211_WEP_NKID) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
len = (u_int) ic->ic_nw_keys[kid].wk_len;
|
|
/* NB: only root can read WEP keys */
|
|
if (suser(curthread) == 0) {
|
|
bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len);
|
|
} else {
|
|
bzero(tmpkey, len);
|
|
}
|
|
ireq->i_len = len;
|
|
error = copyout(tmpkey, ireq->i_data, len);
|
|
break;
|
|
case IEEE80211_IOC_NUMWEPKEYS:
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0)
|
|
error = EINVAL;
|
|
else
|
|
ireq->i_val = IEEE80211_WEP_NKID;
|
|
break;
|
|
case IEEE80211_IOC_WEPTXKEY:
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0)
|
|
error = EINVAL;
|
|
else
|
|
ireq->i_val = ic->ic_wep_txkey;
|
|
break;
|
|
case IEEE80211_IOC_AUTHMODE:
|
|
ireq->i_val = IEEE80211_AUTH_OPEN;
|
|
break;
|
|
case IEEE80211_IOC_CHANNEL:
|
|
switch (ic->ic_state) {
|
|
case IEEE80211_S_INIT:
|
|
case IEEE80211_S_SCAN:
|
|
if (ic->ic_opmode == IEEE80211_M_STA)
|
|
chan = ic->ic_des_chan;
|
|
else
|
|
chan = ic->ic_ibss_chan;
|
|
break;
|
|
default:
|
|
chan = ic->ic_bss->ni_chan;
|
|
break;
|
|
}
|
|
ireq->i_val = ieee80211_chan2ieee(ic, chan);
|
|
break;
|
|
case IEEE80211_IOC_POWERSAVE:
|
|
if (ic->ic_flags & IEEE80211_F_PMGTON)
|
|
ireq->i_val = IEEE80211_POWERSAVE_ON;
|
|
else
|
|
ireq->i_val = IEEE80211_POWERSAVE_OFF;
|
|
break;
|
|
case IEEE80211_IOC_POWERSAVESLEEP:
|
|
ireq->i_val = ic->ic_lintval;
|
|
break;
|
|
case IEEE80211_IOC_RTSTHRESHOLD:
|
|
ireq->i_val = ic->ic_rtsthreshold;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
break;
|
|
case SIOCS80211:
|
|
error = suser(curthread);
|
|
if (error)
|
|
break;
|
|
ireq = (struct ieee80211req *) data;
|
|
switch (ireq->i_type) {
|
|
case IEEE80211_IOC_SSID:
|
|
if (ireq->i_val != 0 ||
|
|
ireq->i_len > IEEE80211_NWID_LEN) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
error = copyin(ireq->i_data, tmpssid, ireq->i_len);
|
|
if (error)
|
|
break;
|
|
memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN);
|
|
ic->ic_des_esslen = ireq->i_len;
|
|
memcpy(ic->ic_des_essid, tmpssid, ireq->i_len);
|
|
error = ENETRESET;
|
|
break;
|
|
case IEEE80211_IOC_WEP:
|
|
/*
|
|
* These cards only support one mode so
|
|
* we just turn wep on if what ever is
|
|
* passed in is not OFF.
|
|
*/
|
|
if (ireq->i_val == IEEE80211_WEP_OFF) {
|
|
ic->ic_flags &= ~IEEE80211_F_WEPON;
|
|
} else {
|
|
ic->ic_flags |= IEEE80211_F_WEPON;
|
|
}
|
|
error = ENETRESET;
|
|
break;
|
|
case IEEE80211_IOC_WEPKEY:
|
|
if ((ic->ic_caps & IEEE80211_C_WEP) == 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
kid = (u_int) ireq->i_val;
|
|
if (kid >= IEEE80211_WEP_NKID) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
if (ireq->i_len > sizeof(tmpkey)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
memset(tmpkey, 0, sizeof(tmpkey));
|
|
error = copyin(ireq->i_data, tmpkey, ireq->i_len);
|
|
if (error)
|
|
break;
|
|
memcpy(ic->ic_nw_keys[kid].wk_key, tmpkey,
|
|
sizeof(tmpkey));
|
|
ic->ic_nw_keys[kid].wk_len = ireq->i_len;
|
|
error = ENETRESET;
|
|
break;
|
|
case IEEE80211_IOC_WEPTXKEY:
|
|
kid = (u_int) ireq->i_val;
|
|
if (kid >= IEEE80211_WEP_NKID) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
ic->ic_wep_txkey = kid;
|
|
error = ENETRESET;
|
|
break;
|
|
#if 0
|
|
case IEEE80211_IOC_AUTHMODE:
|
|
sc->wi_authmode = ireq->i_val;
|
|
break;
|
|
#endif
|
|
case IEEE80211_IOC_CHANNEL:
|
|
/* XXX 0xffff overflows 16-bit signed */
|
|
if (ireq->i_val == 0 ||
|
|
ireq->i_val == (int16_t) IEEE80211_CHAN_ANY)
|
|
ic->ic_des_chan = IEEE80211_CHAN_ANYC;
|
|
else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX ||
|
|
isclr(ic->ic_chan_active, ireq->i_val)) {
|
|
error = EINVAL;
|
|
break;
|
|
} else
|
|
ic->ic_ibss_chan = ic->ic_des_chan =
|
|
&ic->ic_channels[ireq->i_val];
|
|
switch (ic->ic_state) {
|
|
case IEEE80211_S_INIT:
|
|
case IEEE80211_S_SCAN:
|
|
error = ENETRESET;
|
|
break;
|
|
default:
|
|
if (ic->ic_opmode == IEEE80211_M_STA) {
|
|
if (ic->ic_des_chan != IEEE80211_CHAN_ANYC &&
|
|
ic->ic_bss->ni_chan != ic->ic_des_chan)
|
|
error = ENETRESET;
|
|
} else {
|
|
if (ic->ic_bss->ni_chan != ic->ic_ibss_chan)
|
|
error = ENETRESET;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case IEEE80211_IOC_POWERSAVE:
|
|
switch (ireq->i_val) {
|
|
case IEEE80211_POWERSAVE_OFF:
|
|
if (ic->ic_flags & IEEE80211_F_PMGTON) {
|
|
ic->ic_flags &= ~IEEE80211_F_PMGTON;
|
|
error = ENETRESET;
|
|
}
|
|
break;
|
|
case IEEE80211_POWERSAVE_ON:
|
|
if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
|
|
error = EINVAL;
|
|
else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
|
|
ic->ic_flags |= IEEE80211_F_PMGTON;
|
|
error = ENETRESET;
|
|
}
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
break;
|
|
case IEEE80211_IOC_POWERSAVESLEEP:
|
|
if (ireq->i_val < 0) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
ic->ic_lintval = ireq->i_val;
|
|
error = ENETRESET;
|
|
break;
|
|
case IEEE80211_IOC_RTSTHRESHOLD:
|
|
if (!(IEEE80211_RTS_MIN < ireq->i_val &&
|
|
ireq->i_val < IEEE80211_RTS_MAX)) {
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
ic->ic_rtsthreshold = ireq->i_val;
|
|
error = ENETRESET;
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
}
|
|
break;
|
|
case SIOCGIFGENERIC:
|
|
error = ieee80211_cfgget(ifp, cmd, data);
|
|
break;
|
|
case SIOCSIFGENERIC:
|
|
error = suser(curthread);
|
|
if (error)
|
|
break;
|
|
error = ieee80211_cfgset(ifp, cmd, data);
|
|
break;
|
|
case SIOCG80211STATS:
|
|
ifr = (struct ifreq *)data;
|
|
copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats));
|
|
break;
|
|
case SIOCSIFMTU:
|
|
ifr = (struct ifreq *)data;
|
|
if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
|
|
ifr->ifr_mtu <= IEEE80211_MTU_MAX))
|
|
error = EINVAL;
|
|
else
|
|
ifp->if_mtu = ifr->ifr_mtu;
|
|
break;
|
|
case SIOCSIFADDR:
|
|
/*
|
|
* XXX Handle this directly so we can supress if_init calls.
|
|
* XXX This should be done in ether_ioctl but for the moment
|
|
* XXX there are too many other parts of the system that
|
|
* XXX set IFF_UP and so supress if_init being called when
|
|
* XXX it should be.
|
|
*/
|
|
ifa = (struct ifaddr *) data;
|
|
switch (ifa->ifa_addr->sa_family) {
|
|
#ifdef INET
|
|
case AF_INET:
|
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
|
ifp->if_flags |= IFF_UP;
|
|
ifp->if_init(ifp->if_softc);
|
|
}
|
|
arp_ifinit(ifp, ifa);
|
|
break;
|
|
#endif
|
|
#ifdef IPX
|
|
/*
|
|
* XXX - This code is probably wrong,
|
|
* but has been copied many times.
|
|
*/
|
|
case AF_IPX: {
|
|
struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
|
|
struct arpcom *ac = (struct arpcom *)ifp;
|
|
|
|
if (ipx_nullhost(*ina))
|
|
ina->x_host = *(union ipx_host *) ac->ac_enaddr;
|
|
else
|
|
bcopy((caddr_t) ina->x_host.c_host,
|
|
(caddr_t) ac->ac_enaddr,
|
|
sizeof(ac->ac_enaddr));
|
|
/* fall thru... */
|
|
}
|
|
#endif
|
|
default:
|
|
if ((ifp->if_flags & IFF_UP) == 0) {
|
|
ifp->if_flags |= IFF_UP;
|
|
ifp->if_init(ifp->if_softc);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
error = ether_ioctl(ifp, cmd, data);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|