/*- * Copyright (c) 2001 Atsushi Onoe * Copyright (c) 2002-2005 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 __FBSDID("$FreeBSD$"); /* * IEEE 802.11 ioctl support (FreeBSD-specific) */ #include "opt_inet.h" #include "opt_ipx.h" #include #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #ifdef IPX #include #include #endif #include #include #include #define IS_UP(_ic) \ (((_ic)->ic_ifp->if_flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP)) #define IS_UP_AUTO(_ic) \ (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) /* * XXX * Wireless LAN specific configuration interface, which is compatible * with wicontrol(8). */ struct wi_read_ap_args { int i; /* result count */ struct wi_apinfo *ap; /* current entry in result buffer */ caddr_t max; /* result buffer bound */ }; static void wi_read_ap_result(void *arg, struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; struct wi_read_ap_args *sa = arg; struct wi_apinfo *ap = sa->ap; struct ieee80211_rateset *rs; int j; if ((caddr_t)(ap + 1) > sa->max) return; memset(ap, 0, sizeof(struct wi_apinfo)); 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(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 */ } } sa->i++; sa->ap++; } struct wi_read_prism2_args { int i; /* result count */ struct wi_scan_res *res;/* current entry in result buffer */ caddr_t max; /* result buffer bound */ }; static void wi_read_prism2_result(void *arg, struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; struct wi_read_prism2_args *sa = arg; struct wi_scan_res *res = sa->res; if ((caddr_t)(res + 1) > sa->max) return; res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); res->wi_noise = 0; res->wi_signal = ic->ic_node_getrssi(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; sa->i++; sa->res++; } struct wi_read_sigcache_args { int i; /* result count */ struct wi_sigcache *wsc;/* current entry in result buffer */ caddr_t max; /* result buffer bound */ }; static void wi_read_sigcache(void *arg, struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; struct wi_read_sigcache_args *sa = arg; struct wi_sigcache *wsc = sa->wsc; if ((caddr_t)(wsc + 1) > sa->max) return; memset(wsc, 0, sizeof(struct wi_sigcache)); IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); wsc->signal = ic->ic_node_getrssi(ni); sa->wsc++; sa->i++; } int ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) { struct ifnet *ifp = ic->ic_ifp; int i, j, error; struct ifreq *ifr = (struct ifreq *)data; struct wi_req wreq; struct wi_ltv_keys *keys; 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_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 == IEEE80211_FIXED_RATE_NONE) 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(ic->ic_roaming); /* XXX map */ 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(1); /* always available */ 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_PRIVACY) ? 1 : 0); wreq.wi_len = 1; break; case WI_RID_TX_CRYPT_KEY: wreq.wi_val[0] = htole16(ic->ic_def_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_keylen); memcpy(keys->wi_keys[i].wi_keydat, ic->ic_nw_keys[i].wk_key, ic->ic_nw_keys[i].wk_keylen); } wreq.wi_len = sizeof(*keys) / 2; break; case WI_RID_MAX_DATALEN: wreq.wi_val[0] = htole16(ic->ic_fragthreshold); wreq.wi_len = 1; break; case WI_RID_IFACE_STATS: /* XXX: should be implemented in lower drivers */ break; case WI_RID_READ_APS: /* * Don't return results until active scan completes. */ if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { struct wi_read_ap_args args; args.i = 0; args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); args.max = (void *)(&wreq + 1); ieee80211_iterate_nodes(&ic->ic_scan, wi_read_ap_result, &args); memcpy(wreq.wi_val, &args.i, sizeof(args.i)); wreq.wi_len = (sizeof(int) + sizeof(struct wi_apinfo) * args.i) / 2; } else error = EINPROGRESS; break; case WI_RID_PRISM2: /* NB: we lie so WI_RID_SCAN_RES can include rates */ wreq.wi_val[0] = 1; wreq.wi_len = sizeof(u_int16_t) / 2; break; case WI_RID_SCAN_RES: /* compatibility interface */ if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { struct wi_read_prism2_args args; struct wi_scan_p2_hdr *p2; /* NB: use Prism2 format so we can include rate info */ p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; args.i = 0; args.res = (void *)&p2[1]; args.max = (void *)(&wreq + 1); ieee80211_iterate_nodes(&ic->ic_scan, wi_read_prism2_result, &args); p2->wi_rsvd = 0; p2->wi_reason = args.i; wreq.wi_len = (sizeof(*p2) + sizeof(struct wi_scan_res) * args.i) / 2; } else error = EINPROGRESS; break; case WI_RID_READ_CACHE: { struct wi_read_sigcache_args args; args.i = 0; args.wsc = (struct wi_sigcache *) wreq.wi_val; args.max = (void *)(&wreq + 1); ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 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, const u_int8_t chanlist[]) { int i; /* * 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. */ if (!IS_UP(ic)) return EINVAL; 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; memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); /* * We force the state to INIT before calling ieee80211_new_state * to get ieee80211_begin_scan called. We really want to scan w/o * altering the current state but that's not possible right now. */ /* XXX handle proberequest case */ ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ return 0; } int ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) { struct ifnet *ifp = ic->ic_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_opmode == IEEE80211_M_MONITOR) error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; else 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 = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; } 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 = IEEE80211_FIXED_RATE_NONE; 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<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 = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 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 = IS_UP_AUTO(ic) ? ENETRESET : 0; } } 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 = IS_UP_AUTO(ic) ? ENETRESET : 0; } } } 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; i = le16toh(wreq.wi_val[0]); if (i > IEEE80211_ROAMING_MANUAL) return EINVAL; /* not supported */ ic->ic_roaming = i; 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 = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; } } else { if (ic->ic_flags & IEEE80211_F_PMGTON) { ic->ic_flags &= ~IEEE80211_F_PMGTON; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; } } 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 = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 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; i = le16toh(wreq.wi_val[0]); if (i > IEEE80211_AUTH_WPA) return EINVAL; ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ error = ENETRESET; 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_PRIVACY) == 0) { ic->ic_flags |= IEEE80211_F_PRIVACY; error = ENETRESET; } } else { if (ic->ic_flags & IEEE80211_F_PRIVACY) { ic->ic_flags &= ~IEEE80211_F_PRIVACY; 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_def_txkey = i; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 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 > IEEE80211_KEYBUF_SIZE) return EINVAL; } for (i = 0; i < IEEE80211_WEP_NKID; i++) { struct ieee80211_key *k = &ic->ic_nw_keys[i]; len = le16toh(keys->wi_keys[i].wi_keylen); k->wk_keylen = len; k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; memset(k->wk_key, 0, sizeof(k->wk_key)); memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); #if 0 k->wk_type = IEEE80211_CIPHER_WEP; #endif } 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; ic->ic_fragthreshold = len; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 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, ic->ic_chan_avail); 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); } error = ieee80211_setupscan(ic, chanlist); 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; } if (error == ENETRESET && !IS_UP_AUTO(ic)) error = 0; return error; } static struct ieee80211_channel * getcurchan(struct ieee80211com *ic) { switch (ic->ic_state) { case IEEE80211_S_INIT: case IEEE80211_S_SCAN: return ic->ic_des_chan; default: return ic->ic_ibss_chan; } } static int cap2cipher(int flag) { switch (flag) { case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; } return -1; } static int ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_node *ni; struct ieee80211req_key ik; struct ieee80211_key *wk; const struct ieee80211_cipher *cip; u_int kid; int error; if (ireq->i_len != sizeof(ik)) return EINVAL; error = copyin(ireq->i_data, &ik, sizeof(ik)); if (error) return error; kid = ik.ik_keyix; if (kid == IEEE80211_KEYIX_NONE) { ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); if (ni == NULL) return EINVAL; /* XXX */ wk = &ni->ni_ucastkey; } else { if (kid >= IEEE80211_WEP_NKID) return EINVAL; wk = &ic->ic_nw_keys[kid]; IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); ni = NULL; } cip = wk->wk_cipher; ik.ik_type = cip->ic_cipher; ik.ik_keylen = wk->wk_keylen; ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); if (wk->wk_keyix == ic->ic_def_txkey) ik.ik_flags |= IEEE80211_KEY_DEFAULT; if (suser(curthread) == 0) { /* NB: only root can read key data */ ik.ik_keyrsc = wk->wk_keyrsc; ik.ik_keytsc = wk->wk_keytsc; memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { memcpy(ik.ik_keydata+wk->wk_keylen, wk->wk_key + IEEE80211_KEYBUF_SIZE, IEEE80211_MICBUF_SIZE); ik.ik_keylen += IEEE80211_MICBUF_SIZE; } } else { ik.ik_keyrsc = 0; ik.ik_keytsc = 0; memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); } if (ni != NULL) ieee80211_free_node(ni); return copyout(&ik, ireq->i_data, sizeof(ik)); } static int ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) { if (sizeof(ic->ic_chan_active) > ireq->i_len) ireq->i_len = sizeof(ic->ic_chan_active); return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); } static int ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211req_chaninfo chans; /* XXX off stack? */ int i, space; /* * 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; memset(&chans, 0, sizeof(chans)); for (; i <= IEEE80211_CHAN_MAX; i++) if (isset(ic->ic_chan_avail, i)) { struct ieee80211_channel *c = &ic->ic_channels[i]; chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; chans.ic_nchans++; } space = __offsetof(struct ieee80211req_chaninfo, ic_chans[chans.ic_nchans]); if (space > ireq->i_len) space = ireq->i_len; return copyout(&chans, ireq->i_data, space); } static int ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_node *ni; struct ieee80211req_wpaie wpaie; int error; if (ireq->i_len < IEEE80211_ADDR_LEN) return EINVAL; error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); if (error != 0) return error; ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); if (ni == NULL) return EINVAL; /* XXX */ memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); if (ni->ni_wpa_ie != NULL) { int ielen = ni->ni_wpa_ie[1] + 2; if (ielen > sizeof(wpaie.wpa_ie)) ielen = sizeof(wpaie.wpa_ie); memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); } ieee80211_free_node(ni); if (ireq->i_len > sizeof(wpaie)) ireq->i_len = sizeof(wpaie); return copyout(&wpaie, ireq->i_data, ireq->i_len); } static int ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_node *ni; u_int8_t macaddr[IEEE80211_ADDR_LEN]; const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); int error; if (ireq->i_len < off) return EINVAL; error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); if (error != 0) return error; ni = ieee80211_find_node(&ic->ic_sta, macaddr); if (ni == NULL) return EINVAL; /* XXX */ if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) ireq->i_len = sizeof(struct ieee80211req_sta_stats); /* NB: copy out only the statistics */ error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, ireq->i_len - off); ieee80211_free_node(ni); return error; } static void get_scan_result(struct ieee80211req_scan_result *sr, const struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; memset(sr, 0, sizeof(*sr)); sr->isr_ssid_len = ni->ni_esslen; if (ni->ni_wpa_ie != NULL) sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; if (ni->ni_wme_ie != NULL) sr->isr_ie_len += 2+ni->ni_wme_ie[1]; sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); if (ni->ni_chan != IEEE80211_CHAN_ANYC) { sr->isr_freq = ni->ni_chan->ic_freq; sr->isr_flags = ni->ni_chan->ic_flags; } sr->isr_rssi = ic->ic_node_getrssi(ni); sr->isr_intval = ni->ni_intval; sr->isr_capinfo = ni->ni_capinfo; sr->isr_erp = ni->ni_erp; IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); sr->isr_nrates = ni->ni_rates.rs_nrates; if (sr->isr_nrates > 15) sr->isr_nrates = 15; memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); } static int ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) { union { struct ieee80211req_scan_result res; char data[512]; /* XXX shrink? */ } u; struct ieee80211req_scan_result *sr = &u.res; struct ieee80211_node_table *nt; struct ieee80211_node *ni; int error, space; u_int8_t *p, *cp; p = ireq->i_data; space = ireq->i_len; error = 0; /* XXX locking */ nt = &ic->ic_scan; TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { /* NB: skip pre-scan node state */ if (ni->ni_chan == IEEE80211_CHAN_ANYC) continue; get_scan_result(sr, ni); if (sr->isr_len > sizeof(u)) continue; /* XXX */ if (space < sr->isr_len) break; cp = (u_int8_t *)(sr+1); memcpy(cp, ni->ni_essid, ni->ni_esslen); cp += ni->ni_esslen; if (ni->ni_wpa_ie != NULL) { memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); cp += 2+ni->ni_wpa_ie[1]; } if (ni->ni_wme_ie != NULL) { memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); cp += 2+ni->ni_wme_ie[1]; } error = copyout(sr, p, sr->isr_len); if (error) break; p += sr->isr_len; space -= sr->isr_len; } ireq->i_len -= space; return error; } static void get_sta_info(struct ieee80211req_sta_info *si, const struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; si->isi_ie_len = 0; if (ni->ni_wpa_ie != NULL) si->isi_ie_len += 2+ni->ni_wpa_ie[1]; if (ni->ni_wme_ie != NULL) si->isi_ie_len += 2+ni->ni_wme_ie[1]; si->isi_len = sizeof(*si) + si->isi_ie_len, sizeof(u_int32_t); si->isi_len = roundup(si->isi_len, sizeof(u_int32_t)); si->isi_freq = ni->ni_chan->ic_freq; si->isi_flags = ni->ni_chan->ic_flags; si->isi_state = ni->ni_flags; si->isi_authmode = ni->ni_authmode; si->isi_rssi = ic->ic_node_getrssi(ni); si->isi_capinfo = ni->ni_capinfo; si->isi_erp = ni->ni_erp; IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); si->isi_nrates = ni->ni_rates.rs_nrates; if (si->isi_nrates > 15) si->isi_nrates = 15; memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); si->isi_txrate = ni->ni_txrate; si->isi_associd = ni->ni_associd; si->isi_txpower = ni->ni_txpower; si->isi_vlan = ni->ni_vlan; if (ni->ni_flags & IEEE80211_NODE_QOS) { memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); } else { si->isi_txseqs[0] = ni->ni_txseqs[0]; si->isi_rxseqs[0] = ni->ni_rxseqs[0]; } if (ic->ic_opmode == IEEE80211_M_IBSS || ni->ni_associd != 0) si->isi_inact = ic->ic_inact_run; else if (ieee80211_node_is_authorized(ni)) si->isi_inact = ic->ic_inact_auth; else si->isi_inact = ic->ic_inact_init; si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; } static int ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) { union { struct ieee80211req_sta_info info; char data[512]; /* XXX shrink? */ } u; struct ieee80211req_sta_info *si = &u.info; struct ieee80211_node_table *nt; struct ieee80211_node *ni; int error, space; u_int8_t *p, *cp; nt = &ic->ic_sta; p = ireq->i_data; space = ireq->i_len; error = 0; /* XXX locking */ TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { get_sta_info(si, ni); if (si->isi_len > sizeof(u)) continue; /* XXX */ if (space < si->isi_len) break; cp = (u_int8_t *)(si+1); if (ni->ni_wpa_ie != NULL) { memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); cp += 2+ni->ni_wpa_ie[1]; } if (ni->ni_wme_ie != NULL) { memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); cp += 2+ni->ni_wme_ie[1]; } error = copyout(si, p, si->isi_len); if (error) break; p += si->isi_len; space -= si->isi_len; } ireq->i_len -= space; return error; } static int ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_node *ni; struct ieee80211req_sta_txpow txpow; int error; if (ireq->i_len != sizeof(txpow)) return EINVAL; error = copyin(ireq->i_data, &txpow, sizeof(txpow)); if (error != 0) return error; ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); if (ni == NULL) return EINVAL; /* XXX */ txpow.it_txpow = ni->ni_txpower; error = copyout(&txpow, ireq->i_data, sizeof(txpow)); ieee80211_free_node(ni); return error; } static int ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_wme_state *wme = &ic->ic_wme; struct wmeParams *wmep; int ac; if ((ic->ic_caps & IEEE80211_C_WME) == 0) return EINVAL; ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); if (ac >= WME_NUM_AC) ac = WME_AC_BE; if (ireq->i_len & IEEE80211_WMEPARAM_BSS) wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; else wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; switch (ireq->i_type) { case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ ireq->i_val = wmep->wmep_logcwmin; break; case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ ireq->i_val = wmep->wmep_logcwmax; break; case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ ireq->i_val = wmep->wmep_aifsn; break; case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ ireq->i_val = wmep->wmep_txopLimit; break; case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; ireq->i_val = wmep->wmep_acm; break; case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; ireq->i_val = !wmep->wmep_noackPolicy; break; } return 0; } /* * When building the kernel with -O2 on the i386 architecture, gcc * seems to want to inline this function into ieee80211_ioctl() * (which is the only routine that calls it). When this happens, * ieee80211_ioctl() ends up consuming an additional 2K of stack * space. (Exactly why it needs so much is unclear.) The problem * is that it's possible for ieee80211_ioctl() to invoke other * routines (including driver init functions) which could then find * themselves perilously close to exhausting the stack. * * To avoid this, we deliberately prevent gcc from inlining this * routine. Another way to avoid this is to use less agressive * optimization when compiling this file (i.e. -O instead of -O2) * but special-casing the compilation of this one module in the * build system would be awkward. */ #ifdef __GNUC__ __attribute__ ((noinline)) #endif static int ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) { const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; int error = 0; u_int kid, len, m; u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; char tmpssid[IEEE80211_NWID_LEN]; 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_flags & IEEE80211_F_PRIVACY) == 0) ireq->i_val = IEEE80211_WEP_OFF; else if (ic->ic_flags & IEEE80211_F_DROPUNENC) ireq->i_val = IEEE80211_WEP_ON; else ireq->i_val = IEEE80211_WEP_MIXED; break; case IEEE80211_IOC_WEPKEY: kid = (u_int) ireq->i_val; if (kid >= IEEE80211_WEP_NKID) return EINVAL; len = (u_int) ic->ic_nw_keys[kid].wk_keylen; /* 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: ireq->i_val = IEEE80211_WEP_NKID; break; case IEEE80211_IOC_WEPTXKEY: ireq->i_val = ic->ic_def_txkey; break; case IEEE80211_IOC_AUTHMODE: if (ic->ic_flags & IEEE80211_F_WPA) ireq->i_val = IEEE80211_AUTH_WPA; else ireq->i_val = ic->ic_bss->ni_authmode; break; case IEEE80211_IOC_CHANNEL: ireq->i_val = ieee80211_chan2ieee(ic, getcurchan(ic)); 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; case IEEE80211_IOC_PROTMODE: ireq->i_val = ic->ic_protmode; break; case IEEE80211_IOC_TXPOWER: if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) return EINVAL; ireq->i_val = ic->ic_txpowlimit; break; case IEEE80211_IOC_MCASTCIPHER: ireq->i_val = rsn->rsn_mcastcipher; break; case IEEE80211_IOC_MCASTKEYLEN: ireq->i_val = rsn->rsn_mcastkeylen; break; case IEEE80211_IOC_UCASTCIPHERS: ireq->i_val = 0; for (m = 0x1; m != 0; m <<= 1) if (rsn->rsn_ucastcipherset & m) ireq->i_val |= 1<i_val = rsn->rsn_ucastcipher; break; case IEEE80211_IOC_UCASTKEYLEN: ireq->i_val = rsn->rsn_ucastkeylen; break; case IEEE80211_IOC_KEYMGTALGS: ireq->i_val = rsn->rsn_keymgmtset; break; case IEEE80211_IOC_RSNCAPS: ireq->i_val = rsn->rsn_caps; break; case IEEE80211_IOC_WPA: switch (ic->ic_flags & IEEE80211_F_WPA) { case IEEE80211_F_WPA1: ireq->i_val = 1; break; case IEEE80211_F_WPA2: ireq->i_val = 2; break; case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: ireq->i_val = 3; break; default: ireq->i_val = 0; break; } break; case IEEE80211_IOC_CHANLIST: error = ieee80211_ioctl_getchanlist(ic, ireq); break; case IEEE80211_IOC_ROAMING: ireq->i_val = ic->ic_roaming; break; case IEEE80211_IOC_PRIVACY: ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; break; case IEEE80211_IOC_DROPUNENCRYPTED: ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; break; case IEEE80211_IOC_COUNTERMEASURES: ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; break; case IEEE80211_IOC_DRIVER_CAPS: ireq->i_val = ic->ic_caps>>16; ireq->i_len = ic->ic_caps&0xffff; break; case IEEE80211_IOC_WME: ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; break; case IEEE80211_IOC_HIDESSID: ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; break; case IEEE80211_IOC_APBRIDGE: ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; break; case IEEE80211_IOC_OPTIE: if (ic->ic_opt_ie == NULL) return EINVAL; /* NB: truncate, caller can check length */ if (ireq->i_len > ic->ic_opt_ie_len) ireq->i_len = ic->ic_opt_ie_len; error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); break; case IEEE80211_IOC_WPAKEY: error = ieee80211_ioctl_getkey(ic, ireq); break; case IEEE80211_IOC_CHANINFO: error = ieee80211_ioctl_getchaninfo(ic, ireq); break; case IEEE80211_IOC_BSSID: if (ireq->i_len != IEEE80211_ADDR_LEN) return EINVAL; error = copyout(ic->ic_state == IEEE80211_S_RUN ? ic->ic_bss->ni_bssid : ic->ic_des_bssid, ireq->i_data, ireq->i_len); break; case IEEE80211_IOC_WPAIE: error = ieee80211_ioctl_getwpaie(ic, ireq); break; case IEEE80211_IOC_SCAN_RESULTS: error = ieee80211_ioctl_getscanresults(ic, ireq); break; case IEEE80211_IOC_STA_STATS: error = ieee80211_ioctl_getstastats(ic, ireq); break; case IEEE80211_IOC_TXPOWMAX: ireq->i_val = ic->ic_bss->ni_txpower; break; case IEEE80211_IOC_STA_TXPOW: error = ieee80211_ioctl_getstatxpow(ic, ireq); break; case IEEE80211_IOC_STA_INFO: error = ieee80211_ioctl_getstainfo(ic, ireq); break; case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ error = ieee80211_ioctl_getwmeparam(ic, ireq); break; case IEEE80211_IOC_DTIM_PERIOD: ireq->i_val = ic->ic_dtim_period; break; case IEEE80211_IOC_BEACON_INTERVAL: /* NB: get from ic_bss for station mode */ ireq->i_val = ic->ic_bss->ni_intval; break; case IEEE80211_IOC_PUREG: ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; break; case IEEE80211_IOC_FRAGTHRESHOLD: ireq->i_val = ic->ic_fragthreshold; break; default: error = EINVAL; break; } return error; } static int ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) { int error; void *ie; /* * NB: Doing this for ap operation could be useful (e.g. for * WPA and/or WME) except that it typically is worthless * without being able to intervene when processing * association response frames--so disallow it for now. */ if (ic->ic_opmode != IEEE80211_M_STA) return EINVAL; if (ireq->i_len > IEEE80211_MAX_OPT_IE) return EINVAL; /* NB: data.length is validated by the wireless extensions code */ MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_WAITOK); if (ie == NULL) return ENOMEM; error = copyin(ireq->i_data, ie, ireq->i_len); /* XXX sanity check data? */ if (ic->ic_opt_ie != NULL) FREE(ic->ic_opt_ie, M_DEVBUF); ic->ic_opt_ie = ie; ic->ic_opt_ie_len = ireq->i_len; return 0; } static int ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211req_key ik; struct ieee80211_node *ni; struct ieee80211_key *wk; u_int16_t kid; int error; if (ireq->i_len != sizeof(ik)) return EINVAL; error = copyin(ireq->i_data, &ik, sizeof(ik)); if (error) return error; /* NB: cipher support is verified by ieee80211_crypt_newkey */ /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ if (ik.ik_keylen > sizeof(ik.ik_keydata)) return E2BIG; kid = ik.ik_keyix; if (kid == IEEE80211_KEYIX_NONE) { /* XXX unicast keys currently must be tx/rx */ if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) return EINVAL; if (ic->ic_opmode == IEEE80211_M_STA) { ni = ieee80211_ref_node(ic->ic_bss); if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { ieee80211_free_node(ni); return EADDRNOTAVAIL; } } else { ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); if (ni == NULL) return ENOENT; } wk = &ni->ni_ucastkey; } else { if (kid >= IEEE80211_WEP_NKID) return EINVAL; wk = &ic->ic_nw_keys[kid]; ni = NULL; } error = 0; ieee80211_key_update_begin(ic); if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { wk->wk_keylen = ik.ik_keylen; /* NB: MIC presence is implied by cipher type */ if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) wk->wk_keylen = IEEE80211_KEYBUF_SIZE; wk->wk_keyrsc = ik.ik_keyrsc; wk->wk_keytsc = 0; /* new key, reset */ memset(wk->wk_key, 0, sizeof(wk->wk_key)); memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); if (!ieee80211_crypto_setkey(ic, wk, ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) error = EIO; else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) ic->ic_def_txkey = kid; } else error = ENXIO; ieee80211_key_update_end(ic); if (ni != NULL) ieee80211_free_node(ni); return error; } static int ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211req_del_key dk; int kid, error; if (ireq->i_len != sizeof(dk)) return EINVAL; error = copyin(ireq->i_data, &dk, sizeof(dk)); if (error) return error; kid = dk.idk_keyix; /* XXX u_int8_t -> u_int16_t */ if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { struct ieee80211_node *ni; if (ic->ic_opmode == IEEE80211_M_STA) { ni = ieee80211_ref_node(ic->ic_bss); if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { ieee80211_free_node(ni); return EADDRNOTAVAIL; } } else { ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); if (ni == NULL) return ENOENT; } /* XXX error return */ ieee80211_crypto_delkey(ic, &ni->ni_ucastkey); ieee80211_free_node(ni); } else { if (kid >= IEEE80211_WEP_NKID) return EINVAL; /* XXX error return */ ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); } return 0; } static void domlme(void *arg, struct ieee80211_node *ni) { struct ieee80211com *ic = ni->ni_ic; struct ieee80211req_mlme *mlme = arg; if (ni->ni_associd != 0) { IEEE80211_SEND_MGMT(ic, ni, mlme->im_op == IEEE80211_MLME_DEAUTH ? IEEE80211_FC0_SUBTYPE_DEAUTH : IEEE80211_FC0_SUBTYPE_DISASSOC, mlme->im_reason); } ieee80211_node_leave(ic, ni); } static int ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211req_mlme mlme; struct ieee80211_node *ni; int error; if (ireq->i_len != sizeof(mlme)) return EINVAL; error = copyin(ireq->i_data, &mlme, sizeof(mlme)); if (error) return error; switch (mlme.im_op) { case IEEE80211_MLME_ASSOC: if (ic->ic_opmode != IEEE80211_M_STA) return EINVAL; /* XXX must be in S_SCAN state? */ if (mlme.im_ssid_len != 0) { /* * Desired ssid specified; must match both bssid and * ssid to distinguish ap advertising multiple ssid's. */ ni = ieee80211_find_node_with_ssid(&ic->ic_scan, mlme.im_macaddr, mlme.im_ssid_len, mlme.im_ssid); } else { /* * Normal case; just match bssid. */ ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); } if (ni == NULL) return EINVAL; if (!ieee80211_sta_join(ic, ni)) { ieee80211_free_node(ni); return EINVAL; } break; case IEEE80211_MLME_DISASSOC: case IEEE80211_MLME_DEAUTH: switch (ic->ic_opmode) { case IEEE80211_M_STA: /* XXX not quite right */ ieee80211_new_state(ic, IEEE80211_S_INIT, mlme.im_reason); break; case IEEE80211_M_HOSTAP: /* NB: the broadcast address means do 'em all */ if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { if ((ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr)) == NULL) return EINVAL; domlme(&mlme, ni); ieee80211_free_node(ni); } else { ieee80211_iterate_nodes(&ic->ic_sta, domlme, &mlme); } break; default: return EINVAL; } break; case IEEE80211_MLME_AUTHORIZE: case IEEE80211_MLME_UNAUTHORIZE: if (ic->ic_opmode != IEEE80211_M_HOSTAP) return EINVAL; ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); if (ni == NULL) return EINVAL; if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) ieee80211_node_authorize(ni); else ieee80211_node_unauthorize(ni); ieee80211_free_node(ni); break; default: return EINVAL; } return 0; } static int ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) { u_int8_t mac[IEEE80211_ADDR_LEN]; const struct ieee80211_aclator *acl = ic->ic_acl; int error; if (ireq->i_len != sizeof(mac)) return EINVAL; error = copyin(ireq->i_data, mac, ireq->i_len); if (error) return error; if (acl == NULL) { acl = ieee80211_aclator_get("mac"); if (acl == NULL || !acl->iac_attach(ic)) return EINVAL; ic->ic_acl = acl; } if (ireq->i_type == IEEE80211_IOC_ADDMAC) acl->iac_add(ic, mac); else acl->iac_remove(ic, mac); return 0; } static int ieee80211_ioctl_maccmd(struct ieee80211com *ic, struct ieee80211req *ireq) { const struct ieee80211_aclator *acl = ic->ic_acl; switch (ireq->i_val) { case IEEE80211_MACCMD_POLICY_OPEN: case IEEE80211_MACCMD_POLICY_ALLOW: case IEEE80211_MACCMD_POLICY_DENY: if (acl == NULL) { acl = ieee80211_aclator_get("mac"); if (acl == NULL || !acl->iac_attach(ic)) return EINVAL; ic->ic_acl = acl; } acl->iac_setpolicy(ic, ireq->i_val); break; case IEEE80211_MACCMD_FLUSH: if (acl != NULL) acl->iac_flush(ic); /* NB: silently ignore when not in use */ break; case IEEE80211_MACCMD_DETACH: if (acl != NULL) { ic->ic_acl = NULL; acl->iac_detach(ic); } break; default: return EINVAL; } return 0; } static int ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211req_chanlist list; u_char chanlist[IEEE80211_CHAN_BYTES]; int i, j, error; if (ireq->i_len != sizeof(list)) return EINVAL; error = copyin(ireq->i_data, &list, sizeof(list)); if (error) return error; 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++) { /* * NB: silently discard unavailable channels so users * can specify 1-255 to get all available channels. */ if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) setbit(chanlist, 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: ; } memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 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; return IS_UP_AUTO(ic) ? ENETRESET : 0; } static int ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_node *ni; struct ieee80211req_sta_txpow txpow; int error; if (ireq->i_len != sizeof(txpow)) return EINVAL; error = copyin(ireq->i_data, &txpow, sizeof(txpow)); if (error != 0) return error; ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); if (ni == NULL) return EINVAL; /* XXX */ ni->ni_txpower = txpow.it_txpow; ieee80211_free_node(ni); return error; } static int ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) { struct ieee80211_wme_state *wme = &ic->ic_wme; struct wmeParams *wmep, *chanp; int isbss, ac; if ((ic->ic_caps & IEEE80211_C_WME) == 0) return EINVAL; isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); if (ac >= WME_NUM_AC) ac = WME_AC_BE; if (isbss) { chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; } else { chanp = &wme->wme_chanParams.cap_wmeParams[ac]; wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; } switch (ireq->i_type) { case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ if (isbss) { wmep->wmep_logcwmin = ireq->i_val; if ((wme->wme_flags & WME_F_AGGRMODE) == 0) chanp->wmep_logcwmin = ireq->i_val; } else { wmep->wmep_logcwmin = chanp->wmep_logcwmin = ireq->i_val; } break; case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ if (isbss) { wmep->wmep_logcwmax = ireq->i_val; if ((wme->wme_flags & WME_F_AGGRMODE) == 0) chanp->wmep_logcwmax = ireq->i_val; } else { wmep->wmep_logcwmax = chanp->wmep_logcwmax = ireq->i_val; } break; case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ if (isbss) { wmep->wmep_aifsn = ireq->i_val; if ((wme->wme_flags & WME_F_AGGRMODE) == 0) chanp->wmep_aifsn = ireq->i_val; } else { wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; } break; case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ if (isbss) { wmep->wmep_txopLimit = ireq->i_val; if ((wme->wme_flags & WME_F_AGGRMODE) == 0) chanp->wmep_txopLimit = ireq->i_val; } else { wmep->wmep_txopLimit = chanp->wmep_txopLimit = ireq->i_val; } break; case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ wmep->wmep_acm = ireq->i_val; if ((wme->wme_flags & WME_F_AGGRMODE) == 0) chanp->wmep_acm = ireq->i_val; break; case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = (ireq->i_val) == 0; break; } ieee80211_wme_updateparams(ic); return 0; } static int cipher2cap(int cipher) { switch (cipher) { case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; } return 0; } static int ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) { static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; int error; const struct ieee80211_authenticator *auth; u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; char tmpssid[IEEE80211_NWID_LEN]; u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; struct ieee80211_key *k; int j, caps; u_int kid; error = 0; switch (ireq->i_type) { case IEEE80211_IOC_SSID: if (ireq->i_val != 0 || ireq->i_len > IEEE80211_NWID_LEN) return EINVAL; 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: switch (ireq->i_val) { case IEEE80211_WEP_OFF: ic->ic_flags &= ~IEEE80211_F_PRIVACY; ic->ic_flags &= ~IEEE80211_F_DROPUNENC; break; case IEEE80211_WEP_ON: ic->ic_flags |= IEEE80211_F_PRIVACY; ic->ic_flags |= IEEE80211_F_DROPUNENC; break; case IEEE80211_WEP_MIXED: ic->ic_flags |= IEEE80211_F_PRIVACY; ic->ic_flags &= ~IEEE80211_F_DROPUNENC; break; } error = ENETRESET; break; case IEEE80211_IOC_WEPKEY: kid = (u_int) ireq->i_val; if (kid >= IEEE80211_WEP_NKID) return EINVAL; k = &ic->ic_nw_keys[kid]; if (ireq->i_len == 0) { /* zero-len =>'s delete any existing key */ (void) ieee80211_crypto_delkey(ic, k); break; } if (ireq->i_len > sizeof(tmpkey)) return EINVAL; memset(tmpkey, 0, sizeof(tmpkey)); error = copyin(ireq->i_data, tmpkey, ireq->i_len); if (error) break; ieee80211_key_update_begin(ic); k->wk_keyix = kid; /* NB: force fixed key id */ if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { k->wk_keylen = ireq->i_len; memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) error = EINVAL; } else error = EINVAL; ieee80211_key_update_end(ic); if (!error) /* NB: for compatibility */ error = ENETRESET; break; case IEEE80211_IOC_WEPTXKEY: kid = (u_int) ireq->i_val; if (kid >= IEEE80211_WEP_NKID && (u_int16_t) kid != IEEE80211_KEYIX_NONE) return EINVAL; ic->ic_def_txkey = kid; error = ENETRESET; /* push to hardware */ break; case IEEE80211_IOC_AUTHMODE: switch (ireq->i_val) { case IEEE80211_AUTH_WPA: case IEEE80211_AUTH_8021X: /* 802.1x */ case IEEE80211_AUTH_OPEN: /* open */ case IEEE80211_AUTH_SHARED: /* shared-key */ case IEEE80211_AUTH_AUTO: /* auto */ auth = ieee80211_authenticator_get(ireq->i_val); if (auth == NULL) return EINVAL; break; default: return EINVAL; } switch (ireq->i_val) { case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ ic->ic_flags |= IEEE80211_F_PRIVACY; ireq->i_val = IEEE80211_AUTH_8021X; break; case IEEE80211_AUTH_OPEN: /* open */ ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); break; case IEEE80211_AUTH_SHARED: /* shared-key */ case IEEE80211_AUTH_8021X: /* 802.1x */ ic->ic_flags &= ~IEEE80211_F_WPA; /* both require a key so mark the PRIVACY capability */ ic->ic_flags |= IEEE80211_F_PRIVACY; break; case IEEE80211_AUTH_AUTO: /* auto */ ic->ic_flags &= ~IEEE80211_F_WPA; /* XXX PRIVACY handling? */ /* XXX what's the right way to do this? */ break; } /* NB: authenticator attach/detach happens on state change */ ic->ic_bss->ni_authmode = ireq->i_val; /* XXX mixed/mode/usage? */ ic->ic_auth = auth; error = ENETRESET; break; 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)) { return EINVAL; } 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 the desired channel has changed (to something * other than any) and we're not already scanning, * then kick the state machine. */ if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && ic->ic_bss->ni_chan != ic->ic_des_chan && (ic->ic_flags & IEEE80211_F_SCAN) == 0) error = ENETRESET; break; } if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 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) return EINVAL; ic->ic_lintval = ireq->i_val; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; break; case IEEE80211_IOC_RTSTHRESHOLD: if (!(IEEE80211_RTS_MIN <= ireq->i_val && ireq->i_val <= IEEE80211_RTS_MAX)) return EINVAL; ic->ic_rtsthreshold = ireq->i_val; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; break; case IEEE80211_IOC_PROTMODE: if (ireq->i_val > IEEE80211_PROT_RTSCTS) return EINVAL; ic->ic_protmode = ireq->i_val; /* NB: if not operating in 11g this can wait */ if (ic->ic_curmode == IEEE80211_MODE_11G) error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; break; case IEEE80211_IOC_TXPOWER: if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) return EINVAL; if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && ireq->i_val < IEEE80211_TXPOWER_MAX)) return EINVAL; ic->ic_txpowlimit = ireq->i_val; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; break; case IEEE80211_IOC_ROAMING: if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && ireq->i_val <= IEEE80211_ROAMING_MANUAL)) return EINVAL; ic->ic_roaming = ireq->i_val; /* XXXX reset? */ break; case IEEE80211_IOC_PRIVACY: if (ireq->i_val) { /* XXX check for key state? */ ic->ic_flags |= IEEE80211_F_PRIVACY; } else ic->ic_flags &= ~IEEE80211_F_PRIVACY; break; case IEEE80211_IOC_DROPUNENCRYPTED: if (ireq->i_val) ic->ic_flags |= IEEE80211_F_DROPUNENC; else ic->ic_flags &= ~IEEE80211_F_DROPUNENC; break; case IEEE80211_IOC_WPAKEY: error = ieee80211_ioctl_setkey(ic, ireq); break; case IEEE80211_IOC_DELKEY: error = ieee80211_ioctl_delkey(ic, ireq); break; case IEEE80211_IOC_MLME: error = ieee80211_ioctl_setmlme(ic, ireq); break; case IEEE80211_IOC_OPTIE: error = ieee80211_ioctl_setoptie(ic, ireq); break; case IEEE80211_IOC_COUNTERMEASURES: if (ireq->i_val) { if ((ic->ic_flags & IEEE80211_F_WPA) == 0) return EINVAL; ic->ic_flags |= IEEE80211_F_COUNTERM; } else ic->ic_flags &= ~IEEE80211_F_COUNTERM; break; case IEEE80211_IOC_WPA: if (ireq->i_val > 3) return EINVAL; /* XXX verify ciphers available */ ic->ic_flags &= ~IEEE80211_F_WPA; switch (ireq->i_val) { case 1: ic->ic_flags |= IEEE80211_F_WPA1; break; case 2: ic->ic_flags |= IEEE80211_F_WPA2; break; case 3: ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; break; } error = ENETRESET; /* XXX? */ break; case IEEE80211_IOC_WME: if (ireq->i_val) { if ((ic->ic_caps & IEEE80211_C_WME) == 0) return EINVAL; ic->ic_flags |= IEEE80211_F_WME; } else ic->ic_flags &= ~IEEE80211_F_WME; error = ENETRESET; /* XXX maybe not for station? */ break; case IEEE80211_IOC_HIDESSID: if (ireq->i_val) ic->ic_flags |= IEEE80211_F_HIDESSID; else ic->ic_flags &= ~IEEE80211_F_HIDESSID; error = ENETRESET; break; case IEEE80211_IOC_APBRIDGE: if (ireq->i_val == 0) ic->ic_flags |= IEEE80211_F_NOBRIDGE; else ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; break; case IEEE80211_IOC_MCASTCIPHER: if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && !ieee80211_crypto_available(ireq->i_val)) return EINVAL; rsn->rsn_mcastcipher = ireq->i_val; error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; break; case IEEE80211_IOC_MCASTKEYLEN: if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) return EINVAL; /* XXX no way to verify driver capability */ rsn->rsn_mcastkeylen = ireq->i_val; error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; break; case IEEE80211_IOC_UCASTCIPHERS: /* * Convert user-specified cipher set to the set * we can support (via hardware or software). * NB: this logic intentionally ignores unknown and * unsupported ciphers so folks can specify 0xff or * similar and get all available ciphers. */ caps = 0; for (j = 1; j < 32; j++) /* NB: skip WEP */ if ((ireq->i_val & (1<ic_caps & cipher2cap(j)) || ieee80211_crypto_available(j))) caps |= 1<rsn_ucastcipherset = caps; error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; break; case IEEE80211_IOC_UCASTCIPHER: if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) return EINVAL; rsn->rsn_ucastcipher = ireq->i_val; break; case IEEE80211_IOC_UCASTKEYLEN: if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) return EINVAL; /* XXX no way to verify driver capability */ rsn->rsn_ucastkeylen = ireq->i_val; break; case IEEE80211_IOC_DRIVER_CAPS: /* NB: for testing */ ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | ((u_int16_t) ireq->i_len); break; case IEEE80211_IOC_KEYMGTALGS: /* XXX check */ rsn->rsn_keymgmtset = ireq->i_val; error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; break; case IEEE80211_IOC_RSNCAPS: /* XXX check */ rsn->rsn_caps = ireq->i_val; error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; break; case IEEE80211_IOC_BSSID: /* NB: should only be set when in STA mode */ if (ic->ic_opmode != IEEE80211_M_STA) return EINVAL; if (ireq->i_len != sizeof(tmpbssid)) return EINVAL; error = copyin(ireq->i_data, tmpbssid, ireq->i_len); if (error) break; IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) ic->ic_flags &= ~IEEE80211_F_DESBSSID; else ic->ic_flags |= IEEE80211_F_DESBSSID; error = ENETRESET; break; case IEEE80211_IOC_CHANLIST: error = ieee80211_ioctl_setchanlist(ic, ireq); break; case IEEE80211_IOC_SCAN_REQ: if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ break; error = ieee80211_setupscan(ic, ic->ic_chan_avail); if (error == 0) /* XXX background scan */ error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); break; case IEEE80211_IOC_ADDMAC: case IEEE80211_IOC_DELMAC: error = ieee80211_ioctl_macmac(ic, ireq); break; case IEEE80211_IOC_MACCMD: error = ieee80211_ioctl_maccmd(ic, ireq); break; case IEEE80211_IOC_STA_TXPOW: error = ieee80211_ioctl_setstatxpow(ic, ireq); break; case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ error = ieee80211_ioctl_setwmeparam(ic, ireq); break; case IEEE80211_IOC_DTIM_PERIOD: if (ic->ic_opmode != IEEE80211_M_HOSTAP && ic->ic_opmode != IEEE80211_M_IBSS) return EINVAL; if (IEEE80211_DTIM_MIN <= ireq->i_val && ireq->i_val <= IEEE80211_DTIM_MAX) { ic->ic_dtim_period = ireq->i_val; error = ENETRESET; /* requires restart */ } else error = EINVAL; break; case IEEE80211_IOC_BEACON_INTERVAL: if (ic->ic_opmode != IEEE80211_M_HOSTAP && ic->ic_opmode != IEEE80211_M_IBSS) return EINVAL; if (IEEE80211_BINTVAL_MIN <= ireq->i_val && ireq->i_val <= IEEE80211_BINTVAL_MAX) { ic->ic_lintval = ireq->i_val; error = ENETRESET; /* requires restart */ } else error = EINVAL; break; case IEEE80211_IOC_PUREG: if (ireq->i_val) ic->ic_flags |= IEEE80211_F_PUREG; else ic->ic_flags &= ~IEEE80211_F_PUREG; /* NB: reset only if we're operating on an 11g channel */ if (ic->ic_curmode == IEEE80211_MODE_11G) error = ENETRESET; break; case IEEE80211_IOC_FRAGTHRESHOLD: if ((ic->ic_caps & IEEE80211_C_TXFRAG) == 0 && ireq->i_val != IEEE80211_FRAG_MAX) return EINVAL; if (!(IEEE80211_FRAG_MIN <= ireq->i_val && ireq->i_val <= IEEE80211_FRAG_MAX)) return EINVAL; ic->ic_fragthreshold = ireq->i_val; error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; break; default: error = EINVAL; break; } if (error == ENETRESET && !IS_UP_AUTO(ic)) error = 0; return error; } int ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) { struct ifnet *ifp = ic->ic_ifp; int error = 0; struct ifreq *ifr; struct ifaddr *ifa; /* XXX */ switch (cmd) { case SIOCSIFMEDIA: case SIOCGIFMEDIA: error = ifmedia_ioctl(ifp, (struct ifreq *) data, &ic->ic_media, cmd); break; case SIOCG80211: error = ieee80211_ioctl_get80211(ic, cmd, (struct ieee80211req *) data); break; case SIOCS80211: error = suser(curthread); if (error == 0) error = ieee80211_ioctl_set80211(ic, cmd, (struct ieee80211req *) data); break; case SIOCGIFGENERIC: error = ieee80211_cfgget(ic, cmd, data); break; case SIOCSIFGENERIC: error = suser(curthread); if (error) break; error = ieee80211_cfgset(ic, 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); if (ipx_nullhost(*ina)) ina->x_host = *(union ipx_host *) IFP2ENADDR(ifp); else bcopy((caddr_t) ina->x_host.c_host, (caddr_t) IFP2ENADDR(ifp), ETHER_ADDR_LEN); /* 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; }