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authorMichael Büsch <mb@bu3sch.de>2008-02-17 12:18:33 +0000
committerMichael Büsch <mb@bu3sch.de>2008-02-17 12:18:33 +0000
commit306caa660a09295dbe1cc2f4c184a89b38591661 (patch)
treed9038a109067ad5edb3fc9e1089737aedae15e55 /package/hostapd/files/driver_nl80211.c
parentf116c50a801acc77a1d1d56809970a2a4c0a0ded (diff)
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hostapd: use patches to add the nl80211 driver instead of copying the files.
SVN-Revision: 10475
Diffstat (limited to 'package/hostapd/files/driver_nl80211.c')
-rw-r--r--package/hostapd/files/driver_nl80211.c2382
1 files changed, 0 insertions, 2382 deletions
diff --git a/package/hostapd/files/driver_nl80211.c b/package/hostapd/files/driver_nl80211.c
deleted file mode 100644
index d673aa5044..0000000000
--- a/package/hostapd/files/driver_nl80211.c
+++ /dev/null
@@ -1,2382 +0,0 @@
-/*
- * hostapd / Kernel driver communication via nl80211
- * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
- * Copyright (c) 2003-2004, Instant802 Networks, Inc.
- * Copyright (c) 2005-2006, Devicescape Software, Inc.
- * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "includes.h"
-
-#include <sys/ioctl.h>
-#include <netlink/genl/genl.h>
-#include <netlink/genl/family.h>
-#include <netlink/genl/ctrl.h>
-#include <netlink/msg.h>
-#include <netlink/attr.h>
-#include <linux/nl80211.h>
-#include <net/if.h>
-#include <linux/if_packet.h>
-#include <linux/if_ether.h> /* The L2 protocols */
-#include <linux/wireless.h>
-#include <net/if_arp.h>
-
-#include "hostapd.h"
-#include "driver.h"
-#include "ieee802_1x.h"
-#include "eloop.h"
-#include "ieee802_11.h"
-#include "sta_info.h"
-#include "hw_features.h"
-#include "mlme.h"
-#include "radiotap.h"
-#include "radiotap_iter.h"
-
-enum ieee80211_msg_type {
- ieee80211_msg_normal = 0,
- ieee80211_msg_tx_callback_ack = 1,
- ieee80211_msg_tx_callback_fail = 2,
-};
-
-struct i802_driver_data {
- struct hostapd_data *hapd;
-
- char iface[IFNAMSIZ + 1];
- int ioctl_sock; /* socket for ioctl() use */
- int wext_sock; /* socket for wireless events */
- int eapol_sock; /* socket for EAPOL frames */
- int monitor_sock; /* socket for monitor */
- int monitor_ifidx;
-
- int default_if_indices[16];
- int *if_indices;
- int num_if_indices;
-
- int we_version;
- struct nl_handle *nl_handle;
- struct nl_cache *nl_cache;
- struct genl_family *nl80211;
- int dtim_period;
- unsigned int beacon_set:1;
- unsigned int ieee802_1x_active:1;
-};
-
-
-static void add_ifidx(struct i802_driver_data *drv, int ifidx)
-{
- int i;
- int *old;
-
- for (i = 0; i < drv->num_if_indices; i++) {
- if (drv->if_indices[i] == 0) {
- drv->if_indices[i] = ifidx;
- return;
- }
- }
-
- if (drv->if_indices != drv->default_if_indices)
- old = drv->if_indices;
- else
- old = NULL;
-
- drv->if_indices = realloc(old,
- sizeof(int) * (drv->num_if_indices + 1));
- if (!drv->if_indices) {
- if (!old)
- drv->if_indices = drv->default_if_indices;
- else
- drv->if_indices = old;
- wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
- "interfaces");
- wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
- return;
- }
- drv->if_indices[drv->num_if_indices] = ifidx;
- drv->num_if_indices++;
-}
-
-
-static void del_ifidx(struct i802_driver_data *drv, int ifidx)
-{
- int i;
-
- for (i = 0; i < drv->num_if_indices; i++) {
- if (drv->if_indices[i] == ifidx) {
- drv->if_indices[i] = 0;
- break;
- }
- }
-}
-
-
-static int have_ifidx(struct i802_driver_data *drv, int ifidx)
-{
- int i;
-
- for (i = 0; i < drv->num_if_indices; i++)
- if (drv->if_indices[i] == ifidx)
- return 1;
-
- return 0;
-}
-
-
-/* helper for netlink get routines */
-static int ack_wait_handler(struct nl_msg *msg, void *arg)
-{
- int *finished = arg;
-
- *finished = 1;
- return NL_STOP;
-}
-
-
-static int hostapd_set_iface_flags(struct i802_driver_data *drv,
- const char *ifname, int dev_up)
-{
- struct ifreq ifr;
-
- if (drv->ioctl_sock < 0)
- return -1;
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCGIFFLAGS]");
- wpa_printf(MSG_DEBUG, "Could not read interface flags (%s)",
- drv->iface);
- return -1;
- }
-
- if (dev_up)
- ifr.ifr_flags |= IFF_UP;
- else
- ifr.ifr_flags &= ~IFF_UP;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCSIFFLAGS]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_set_encryption(const char *iface, void *priv, const char *alg,
- const u8 *addr, int idx, const u8 *key,
- size_t key_len, int txkey)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
- int err = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- if (strcmp(alg, "none") == 0) {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_KEY, 0);
- } else {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_KEY, 0);
- NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
- if (strcmp(alg, "WEP") == 0) {
- if (key_len == 5)
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
- 0x000FAC01);
- else
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
- 0x000FAC05);
- } else if (strcmp(alg, "TKIP") == 0)
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC02);
- else if (strcmp(alg, "CCMP") == 0)
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC04);
- else
- goto out;
- }
-
- if (addr)
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
- if (err != -ENOENT) {
- err = 0;
- goto out;
- }
- }
-
- /*
- * If we need to set the default TX key we do that below,
- * otherwise we're done here.
- */
- if (!txkey || addr) {
- ret = 0;
- goto out;
- }
-
- nlmsg_free(msg);
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_KEY, 0);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
- NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- (err = nl_wait_for_ack(drv->nl_handle)) < 0) {
- if (err != -ENOENT) {
- err = 0;
- goto out;
- }
- }
-
- ret = 0;
-
- out:
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static inline int min_int(int a, int b)
-{
- if (a < b)
- return a;
- return b;
-}
-
-
-static int get_key_handler(struct nl_msg *msg, void *arg)
-{
- struct nlattr *tb[NL80211_ATTR_MAX];
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
-
- nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), NULL);
-
- /*
- * TODO: validate the key index and mac address!
- * Otherwise, there's a race condition as soon as
- * the kernel starts sending key notifications.
- */
-
- if (tb[NL80211_ATTR_KEY_SEQ])
- memcpy(arg, nla_data(tb[NL80211_ATTR_KEY_SEQ]),
- min_int(nla_len(tb[NL80211_ATTR_KEY_SEQ]), 6));
- return NL_SKIP;
-}
-
-
-static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
- int idx, u8 *seq)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err = 0;
- int finished = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_GET_KEY, 0);
-
- if (addr)
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- memset(seq, 0, 6);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, get_key_handler, seq);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished);
-
- err = nl_recvmsgs(drv->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(drv->nl_handle);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static int i802_set_rate_sets(void *priv, int *supp_rates, int *basic_rates,
- int mode)
-{
- return -1;
-}
-
-
-static int i802_set_ssid(const char *ifname, void *priv, const u8 *buf,
- int len)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
- iwr.u.essid.flags = 1; /* SSID active */
- iwr.u.essid.pointer = (caddr_t) buf;
- iwr.u.essid.length = len;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCSIWESSID]");
- printf("len=%d\n", len);
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_send_mgmt_frame(void *priv, const void *data, size_t len,
- int flags)
-{
- struct ieee80211_hdr *hdr = (void*) data;
- __u8 rtap_hdr[] = {
- 0x00, 0x00, /* radiotap version */
- 0x0e, 0x00, /* radiotap length */
- 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
- 0x0c, /* F_WEP | F_FRAG (encrypt/fragment if required) */
- 0x00, /* padding */
- 0x00, 0x00, /* RX and TX flags to indicate that */
- 0x00, 0x00, /* this is the injected frame directly */
- };
- struct i802_driver_data *drv = priv;
- struct iovec iov[2] = {
- {
- .iov_base = &rtap_hdr,
- .iov_len = sizeof(rtap_hdr),
- },
- {
- .iov_base = (void*)data,
- .iov_len = len,
- }
- };
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = iov,
- .msg_iovlen = 2,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = 0,
- };
-
- /*
- * ugh, guess what, the generic code sets one of the version
- * bits to request tx callback
- */
- hdr->frame_control &= ~host_to_le16(BIT(1));
- return sendmsg(drv->monitor_sock, &msg, flags);
-}
-
-
-/* Set kernel driver on given frequency (MHz) */
-static int i802_set_freq(void *priv, int mode, int freq)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
- iwr.u.freq.m = freq;
- iwr.u.freq.e = 6;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
- perror("ioctl[SIOCSIWFREQ]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_set_rts(void *priv, int rts)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
- iwr.u.rts.value = rts;
- iwr.u.rts.fixed = 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWRTS, &iwr) < 0) {
- perror("ioctl[SIOCSIWRTS]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_get_rts(void *priv, int *rts)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIWRTS, &iwr) < 0) {
- perror("ioctl[SIOCGIWRTS]");
- return -1;
- }
-
- *rts = iwr.u.rts.value;
-
- return 0;
-}
-
-
-static int i802_set_frag(void *priv, int frag)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
- iwr.u.frag.value = frag;
- iwr.u.frag.fixed = 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
- perror("ioctl[SIOCSIWFRAG]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_get_frag(void *priv, int *frag)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIWFRAG, &iwr) < 0) {
- perror("ioctl[SIOCGIWFRAG]");
- return -1;
- }
-
- *frag = iwr.u.frag.value;
-
- return 0;
-}
-
-
-static int i802_set_retry(void *priv, int short_retry, int long_retry)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
-
- iwr.u.retry.value = short_retry;
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
- if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
- perror("ioctl[SIOCSIWRETRY(short)]");
- return -1;
- }
-
- iwr.u.retry.value = long_retry;
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
- perror("ioctl[SIOCSIWRETRY(long)]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_get_retry(void *priv, int *short_retry, int *long_retry)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->hapd->conf->iface, IFNAMSIZ);
-
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MIN;
- if (ioctl(drv->ioctl_sock, SIOCGIWRETRY, &iwr) < 0) {
- perror("ioctl[SIOCGIWFRAG(short)]");
- return -1;
- }
- *short_retry = iwr.u.retry.value;
-
- iwr.u.retry.flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
- if (ioctl(drv->ioctl_sock, SIOCGIWRETRY, &iwr) < 0) {
- perror("ioctl[SIOCGIWFRAG(long)]");
- return -1;
- }
- *long_retry = iwr.u.retry.value;
-
- return 0;
-}
-
-
-static int i802_flush(void *priv)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_STATION, 0);
-
- /*
- * XXX: FIX! this needs to flush all VLANs too
- */
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->iface));
-
- ret = 0;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0) {
- ret = -1;
- }
-
- nla_put_failure:
- nlmsg_free(msg);
-
- out:
- return ret;
-}
-
-
-static int get_sta_handler(struct nl_msg *msg, void *arg)
-{
- struct nlattr *tb[NL80211_ATTR_MAX + 1];
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct hostap_sta_driver_data *data = arg;
- struct nlattr *stats[NL80211_STA_STAT_MAX + 1];
- static struct nla_policy stats_policy[NL80211_STA_STAT_MAX + 1] = {
- [NL80211_STA_STAT_INACTIVE_TIME] = { .type = NLA_U32 },
- [NL80211_STA_STAT_RX_BYTES] = { .type = NLA_U32 },
- [NL80211_STA_STAT_TX_BYTES] = { .type = NLA_U32 },
- };
-
- nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), NULL);
-
- /*
- * TODO: validate the interface and mac address!
- * Otherwise, there's a race condition as soon as
- * the kernel starts sending station notifications.
- */
-
- if (!tb[NL80211_ATTR_STA_STATS]) {
- wpa_printf(MSG_DEBUG, "sta stats missing!");
- return NL_SKIP;
- }
- if (nla_parse_nested(stats, NL80211_STA_STAT_MAX,
- tb[NL80211_ATTR_STA_STATS],
- stats_policy)) {
- wpa_printf(MSG_DEBUG, "failed to parse nested attributes!");
- return NL_SKIP;
- }
-
- if (stats[NL80211_STA_STAT_INACTIVE_TIME])
- data->inactive_msec =
- nla_get_u32(stats[NL80211_STA_STAT_INACTIVE_TIME]);
- if (stats[NL80211_STA_STAT_RX_BYTES])
- data->rx_bytes = nla_get_u32(stats[NL80211_STA_STAT_RX_BYTES]);
- if (stats[NL80211_STA_STAT_TX_BYTES])
- data->rx_bytes = nla_get_u32(stats[NL80211_STA_STAT_TX_BYTES]);
-
- return NL_SKIP;
-}
-
-static int i802_read_sta_data(void *priv, struct hostap_sta_driver_data *data,
- const u8 *addr)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- struct nl_cb *cb = NULL;
- int ret = -1;
- int err = 0;
- int finished = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_GET_STATION, 0);
-
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, get_sta_handler, data);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished);
-
- err = nl_recvmsgs(drv->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(drv->nl_handle);
-
- if (err < 0)
- goto out;
-
- ret = 0;
-
- out:
- nl_cb_put(cb);
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-
-}
-
-
-static int i802_send_eapol(void *priv, const u8 *addr, const u8 *data,
- size_t data_len, int encrypt, const u8 *own_addr)
-{
- struct i802_driver_data *drv = priv;
- struct ieee80211_hdr *hdr;
- size_t len;
- u8 *pos;
- int res;
-#if 0 /* FIX */
- int qos = sta->flags & WLAN_STA_WME;
-#else
- int qos = 0;
-#endif
-
- len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
- data_len;
- hdr = os_zalloc(len);
- if (hdr == NULL) {
- printf("malloc() failed for i802_send_data(len=%lu)\n",
- (unsigned long) len);
- return -1;
- }
-
- hdr->frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_DATA, WLAN_FC_STYPE_DATA);
- hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
- if (encrypt)
- hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
-#if 0 /* To be enabled if qos determination is added above */
- if (qos) {
- hdr->frame_control |=
- host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
- }
-#endif
-
- memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
- memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
- memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
- pos = (u8 *) (hdr + 1);
-
-#if 0 /* To be enabled if qos determination is added above */
- if (qos) {
- /* add an empty QoS header if needed */
- pos[0] = 0;
- pos[1] = 0;
- pos += 2;
- }
-#endif
-
- memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
- pos += sizeof(rfc1042_header);
- WPA_PUT_BE16(pos, ETH_P_PAE);
- pos += 2;
- memcpy(pos, data, data_len);
-
- res = i802_send_mgmt_frame(drv, (u8 *) hdr, len, 0);
- free(hdr);
-
- if (res < 0) {
- perror("i802_send_eapol: send");
- printf("i802_send_eapol - packet len: %lu - failed\n",
- (unsigned long) len);
- }
-
- return res;
-}
-
-
-static int i802_sta_add(const char *ifname, void *priv, const u8 *addr,
- u16 aid, u16 capability, u8 *supp_rates,
- size_t supp_rates_len, int flags)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->iface));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, aid);
- NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, supp_rates_len,
- supp_rates);
- NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, 0);
-
- ret = nl_send_auto_complete(drv->nl_handle, msg);
- if (ret < 0)
- goto nla_put_failure;
-
- ret = nl_wait_for_ack(drv->nl_handle);
- /* ignore EEXIST, this happens if a STA associates while associated */
- if (ret == -EEXIST || ret >= 0)
- ret = 0;
-
- nla_put_failure:
- nlmsg_free(msg);
-
- out:
- return ret;
-}
-
-
-static int i802_sta_remove(void *priv, const u8 *addr)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->iface));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
-
- ret = 0;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0) {
- ret = -1;
- }
-
- nla_put_failure:
- nlmsg_free(msg);
-
- out:
- return ret;
-}
-
-
-static int i802_sta_set_flags(void *priv, const u8 *addr,
- int total_flags, int flags_or, int flags_and)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg, *flags = NULL;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- flags = nlmsg_alloc();
- if (!flags)
- goto free_msg;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->iface));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
-
- if (total_flags & WLAN_STA_AUTHORIZED || !drv->ieee802_1x_active)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_AUTHORIZED);
-
- if (total_flags & WLAN_STA_WME)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_WME);
-
- if (total_flags & WLAN_STA_SHORT_PREAMBLE)
- NLA_PUT_FLAG(flags, NL80211_STA_FLAG_SHORT_PREAMBLE);
-
- if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags))
- goto nla_put_failure;
-
- ret = 0;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0) {
- ret = -1;
- }
-
- nla_put_failure:
- nlmsg_free(flags);
-
- free_msg:
- nlmsg_free(msg);
-
- out:
- return ret;
-}
-
-
-static int i802_set_channel_flag(void *priv, int mode, int chan, int flag,
- unsigned char power_level,
- unsigned char antenna_max)
-{
- return -1;
-}
-
-
-static int i802_set_regulatory_domain(void *priv, unsigned int rd)
-{
- return -1;
-}
-
-
-static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
- int cw_min, int cw_max, int burst_time)
-{
- return -1;
-}
-
-
-static void nl80211_remove_iface(struct i802_driver_data *drv, int ifidx)
-{
- struct nl_msg *msg;
-
- /* stop listening for EAPOL on this interface */
- del_ifidx(drv, ifidx);
-
- msg = nlmsg_alloc();
- if (!msg)
- goto nla_put_failure;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0)
- nla_put_failure:
- printf("Failed to remove interface.\n");
- nlmsg_free(msg);
-}
-
-
-static int nl80211_create_iface(struct i802_driver_data *drv,
- const char *ifname,
- enum nl80211_iftype iftype,
- const u8 *addr)
-{
- struct nl_msg *msg, *flags = NULL;
- int ifidx;
- struct ifreq ifreq;
- struct iwreq iwr;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->hapd->conf->iface));
- NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
-
- if (iftype == NL80211_IFTYPE_MONITOR) {
- int err;
-
- flags = nlmsg_alloc();
- if (!flags)
- goto nla_put_failure;
-
- NLA_PUT_FLAG(flags, NL80211_MNTR_FLAG_COOK_FRAMES);
-
- err = nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
-
- nlmsg_free(flags);
-
- if (err)
- goto nla_put_failure;
- }
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0) {
- nla_put_failure:
- printf("Failed to create interface %s.\n", ifname);
- nlmsg_free(msg);
- return -1;
- }
-
- nlmsg_free(msg);
-
- ifidx = if_nametoindex(ifname);
-
- if (ifidx <= 0)
- return -1;
-
- /* start listening for EAPOL on this interface */
- add_ifidx(drv, ifidx);
-
- if (addr) {
- switch (iftype) {
- case NL80211_IFTYPE_AP:
- os_strlcpy(ifreq.ifr_name, ifname, IFNAMSIZ);
- memcpy(ifreq.ifr_hwaddr.sa_data, addr, ETH_ALEN);
- ifreq.ifr_hwaddr.sa_family = ARPHRD_ETHER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifreq)) {
- nl80211_remove_iface(drv, ifidx);
- return -1;
- }
- break;
- case NL80211_IFTYPE_WDS:
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
- iwr.u.addr.sa_family = ARPHRD_ETHER;
- memcpy(iwr.u.addr.sa_data, addr, ETH_ALEN);
- if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr))
- return -1;
- break;
- default:
- /* nothing */
- break;
- }
- }
-
- return ifidx;
-}
-
-
-static int i802_bss_add(void *priv, const char *ifname, const u8 *bssid)
-{
- int ifidx;
-
- /*
- * The kernel supports that when the low-level driver does,
- * but we currently don't because we need per-BSS data that
- * currently we can't handle easily.
- */
- return -1;
-
- ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid);
- if (ifidx < 0)
- return -1;
- if (hostapd_set_iface_flags(priv, ifname, 1)) {
- nl80211_remove_iface(priv, ifidx);
- return -1;
- }
- return 0;
-}
-
-
-static int i802_bss_remove(void *priv, const char *ifname)
-{
- nl80211_remove_iface(priv, if_nametoindex(ifname));
- return 0;
-}
-
-
-static int i802_set_beacon(const char *iface, void *priv,
- u8 *head, size_t head_len,
- u8 *tail, size_t tail_len)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- u8 cmd = NL80211_CMD_NEW_BEACON;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- if (drv->beacon_set)
- cmd = NL80211_CMD_SET_BEACON;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, cmd, 0);
- NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
- NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
- NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, 1000);
-
- if (!drv->dtim_period)
- drv->dtim_period = 2;
- NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0)
- goto out;
-
- ret = 0;
-
- drv->beacon_set = 1;
-
- out:
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static int i802_del_beacon(struct i802_driver_data *drv)
-{
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_BEACON, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0)
- goto out;
-
- ret = 0;
-
- out:
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static int i802_set_ieee8021x(const char *ifname, void *priv, int enabled)
-{
- struct i802_driver_data *drv = priv;
-
- /*
- * FIXME: This needs to be per interface (BSS)
- */
- drv->ieee802_1x_active = enabled;
- return 0;
-}
-
-
-static int i802_set_privacy(const char *ifname, void *priv, int enabled)
-{
- struct i802_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
-
- os_strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
- iwr.u.param.flags = IW_AUTH_PRIVACY_INVOKED;
- iwr.u.param.value = enabled;
-
- ioctl(drv->ioctl_sock, SIOCSIWAUTH, &iwr);
-
- /* ignore errors, the kernel/driver might not care */
- return 0;
-}
-
-
-static int i802_set_internal_bridge(void *priv, int value)
-{
- return -1;
-}
-
-
-static int i802_set_beacon_int(void *priv, int value)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_BEACON, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
-
- NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, value);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0)
- goto out;
-
- ret = 0;
-
- out:
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static int i802_set_dtim_period(const char *iface, void *priv, int value)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_BEACON, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
-
- drv->dtim_period = value;
- NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, drv->dtim_period);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0)
- goto out;
-
- ret = 0;
-
- out:
- nla_put_failure:
- nlmsg_free(msg);
- return ret;
-}
-
-
-static int i802_set_cts_protect(void *priv, int value)
-{
- return -1;
-}
-
-
-static int i802_set_preamble(void *priv, int value)
-{
- return -1;
-}
-
-
-static int i802_set_short_slot_time(void *priv, int value)
-{
- return -1;
-}
-
-
-static enum nl80211_iftype i802_if_type(enum hostapd_driver_if_type type)
-{
- switch (type) {
- case HOSTAPD_IF_VLAN:
- return NL80211_IFTYPE_AP_VLAN;
- case HOSTAPD_IF_WDS:
- return NL80211_IFTYPE_WDS;
- }
- return -1;
-}
-
-
-static int i802_if_add(const char *iface, void *priv,
- enum hostapd_driver_if_type type, char *ifname,
- const u8 *addr)
-{
- if (nl80211_create_iface(priv, ifname, i802_if_type(type), addr) < 0)
- return -1;
- return 0;
-}
-
-
-static int i802_if_update(void *priv, enum hostapd_driver_if_type type,
- char *ifname, const u8 *addr)
-{
- /* unused at the moment */
- return -1;
-}
-
-
-static int i802_if_remove(void *priv, enum hostapd_driver_if_type type,
- const char *ifname, const u8 *addr)
-{
- nl80211_remove_iface(priv, if_nametoindex(ifname));
- return 0;
-}
-
-
-struct phy_info_arg {
- u16 *num_modes;
- struct hostapd_hw_modes *modes;
- int error;
-};
-
-static int phy_info_handler(struct nl_msg *msg, void *arg)
-{
- struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct phy_info_arg *phy_info = arg;
-
- struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
-
- struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
- static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
- [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
- [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
- [NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
- [NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
- [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
- };
-
- struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
- static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
- [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
- [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] = { .type = NLA_FLAG },
- };
-
- struct nlattr *nl_band;
- struct nlattr *nl_freq;
- struct nlattr *nl_rate;
- int rem_band, rem_freq, rem_rate;
- struct hostapd_hw_modes *mode;
- int idx, mode_is_set;
-
- nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), NULL);
-
- if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
- return NL_SKIP;
-
- nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) {
- mode = realloc(phy_info->modes, (*phy_info->num_modes + 1) * sizeof(*mode));
- if (!mode)
- return NL_SKIP;
- phy_info->modes = mode;
-
- mode_is_set = 0;
-
- mode = &phy_info->modes[*(phy_info->num_modes)];
- memset(mode, 0, sizeof(*mode));
- *(phy_info->num_modes) += 1;
-
- nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
- nla_len(nl_band), NULL);
-
- nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
- nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
- nla_len(nl_freq), freq_policy);
- if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
- continue;
- mode->num_channels++;
- }
-
- mode->channels = calloc(mode->num_channels, sizeof(struct hostapd_channel_data));
- if (!mode->channels)
- return NL_SKIP;
-
- idx = 0;
-
- nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
- nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
- nla_len(nl_freq), freq_policy);
- if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
- continue;
-
- mode->channels[idx].freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
- mode->channels[idx].flag |= HOSTAPD_CHAN_W_SCAN |
- HOSTAPD_CHAN_W_ACTIVE_SCAN |
- HOSTAPD_CHAN_W_IBSS;
-
- if (!mode_is_set) {
- /* crude heuristic */
- if (mode->channels[idx].freq < 4000)
- mode->mode = HOSTAPD_MODE_IEEE80211B;
- else
- mode->mode = HOSTAPD_MODE_IEEE80211A;
- mode_is_set = 1;
- }
-
- /* crude heuristic */
- if (mode->channels[idx].freq < 4000)
- if (mode->channels[idx].freq == 2848)
- mode->channels[idx].chan = 14;
- else
- mode->channels[idx].chan = (mode->channels[idx].freq - 2407) / 5;
- else
- mode->channels[idx].chan = mode->channels[idx].freq/5 - 1000;
-
- if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
- mode->channels[idx].flag &= ~HOSTAPD_CHAN_W_SCAN;
- if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
- mode->channels[idx].flag &= ~HOSTAPD_CHAN_W_ACTIVE_SCAN;
- if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
- mode->channels[idx].flag &= ~HOSTAPD_CHAN_W_IBSS;
- idx++;
- }
-
- nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
- nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
- nla_len(nl_rate), rate_policy);
- if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
- continue;
- mode->num_rates++;
- }
-
- mode->rates = calloc(mode->num_rates, sizeof(struct hostapd_rate_data));
- if (!mode->rates)
- return NL_SKIP;
-
- idx = 0;
-
- nla_for_each_nested(nl_rate, tb_band[NL80211_BAND_ATTR_RATES], rem_rate) {
- nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX, nla_data(nl_rate),
- nla_len(nl_rate), rate_policy);
- if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
- continue;
- mode->rates[idx].rate = nla_get_u32(tb_rate[NL80211_BITRATE_ATTR_RATE]);
-
- /* crude heuristic */
- if (mode->mode == HOSTAPD_MODE_IEEE80211B &&
- mode->rates[idx].rate > 200)
- mode->mode = HOSTAPD_MODE_IEEE80211G;
-
- if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
- mode->rates[idx].flags |= HOSTAPD_RATE_PREAMBLE2;
-
- idx++;
- }
- }
-
- phy_info->error = 0;
-
- return NL_SKIP;
-}
-
-static struct hostapd_hw_modes *i802_get_hw_feature_data(void *priv,
- u16 *num_modes,
- u16 *flags)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int err = -1;
- struct nl_cb *cb = NULL;
- int finished;
- struct phy_info_arg result = {
- .num_modes = num_modes,
- .modes = NULL,
- .error = 1,
- };
-
- *num_modes = 0;
- *flags = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- return NULL;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_GET_WIPHY, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->iface));
-
- cb = nl_cb_alloc(NL_CB_CUSTOM);
- if (!cb)
- goto out;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0)
- goto out;
-
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, phy_info_handler, &result);
- nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_wait_handler, &finished);
-
- err = nl_recvmsgs(drv->nl_handle, cb);
-
- if (!finished)
- err = nl_wait_for_ack(drv->nl_handle);
-
- if (err < 0 || result.error) {
- hostapd_free_hw_features(result.modes, *num_modes);
- result.modes = NULL;
- }
-
- out:
- nl_cb_put(cb);
- nla_put_failure:
- if (err)
- fprintf(stderr, "failed to get information: %d\n", err);
- nlmsg_free(msg);
- return result.modes;
-}
-
-
-static int i802_set_sta_vlan(void *priv, const u8 *addr,
- const char *ifname, int vlan_id)
-{
- struct i802_driver_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- goto out;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_STATION, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->iface));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(ifname));
-
- ret = 0;
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- (errno = nl_wait_for_ack(drv->nl_handle) < 0)) {
- ret = -1;
- }
-
- nla_put_failure:
- nlmsg_free(msg);
-
- out:
- return ret;
-}
-
-
-static void handle_unknown_sta(struct hostapd_data *hapd, u8 *ta)
-{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, ta);
- if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
- printf("Data/PS-poll frame from not associated STA "
- MACSTR "\n", MAC2STR(ta));
- if (sta && (sta->flags & WLAN_STA_AUTH))
- hostapd_sta_disassoc(
- hapd, ta,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- else
- hostapd_sta_deauth(
- hapd, ta,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- }
-}
-
-
-static void handle_tx_callback(struct hostapd_data *hapd, u8 *buf, size_t len,
- int ok)
-{
- struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
- struct sta_info *sta;
-
- hdr = (struct ieee80211_hdr *) buf;
- fc = le_to_host16(hdr->frame_control);
-
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_MGMT:
- wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
- ok ? "ACK" : "fail");
- ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
- break;
- case WLAN_FC_TYPE_CTRL:
- wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
- ok ? "ACK" : "fail");
- break;
- case WLAN_FC_TYPE_DATA:
- wpa_printf(MSG_DEBUG, "DATA (TX callback) %s",
- ok ? "ACK" : "fail");
- sta = ap_get_sta(hapd, hdr->addr1);
- if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
- wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
- "activity poll", MAC2STR(sta->addr),
- ok ? "ACKed" : "did not ACK");
- if (ok)
- sta->flags &= ~WLAN_STA_PENDING_POLL;
- }
- if (sta)
- ieee802_1x_tx_status(hapd, sta, buf, len, ok);
- break;
- default:
- printf("unknown TX callback frame type %d\n", type);
- break;
- }
-}
-
-
-static void handle_frame(struct hostapd_iface *iface, u8 *buf, size_t len,
- struct hostapd_frame_info *hfi,
- enum ieee80211_msg_type msg_type)
-{
- struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
- size_t data_len = len;
- struct hostapd_data *hapd = NULL;
- int broadcast_bssid = 0;
- size_t i;
- u8 *bssid;
-
- /*
- * PS-Poll frames are 16 bytes. All other frames are
- * 24 bytes or longer.
- */
- if (len < 16)
- return;
-
- hdr = (struct ieee80211_hdr *) buf;
- fc = le_to_host16(hdr->frame_control);
-
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_DATA:
- if (len < 24)
- return;
- switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
- case WLAN_FC_TODS:
- bssid = hdr->addr1;
- break;
- default:
- /* discard */
- return;
- }
- break;
- case WLAN_FC_TYPE_CTRL:
- /* discard non-ps-poll frames */
- if (stype != WLAN_FC_STYPE_PSPOLL)
- return;
- bssid = hdr->addr1;
- break;
- case WLAN_FC_TYPE_MGMT:
- bssid = hdr->addr3;
- break;
- default:
- /* discard */
- return;
- }
-
- /* find interface frame belongs to */
- for (i = 0; i < iface->num_bss; i++) {
- if (memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) {
- hapd = iface->bss[i];
- break;
- }
- }
-
- if (hapd == NULL) {
- hapd = iface->bss[0];
-
- if (bssid[0] != 0xff || bssid[1] != 0xff ||
- bssid[2] != 0xff || bssid[3] != 0xff ||
- bssid[4] != 0xff || bssid[5] != 0xff) {
- /*
- * Unknown BSSID - drop frame if this is not from
- * passive scanning or a beacon (at least ProbeReq
- * frames to other APs may be allowed through RX
- * filtering in the wlan hw/driver)
- */
- if ((type != WLAN_FC_TYPE_MGMT ||
- stype != WLAN_FC_STYPE_BEACON))
- return;
- } else
- broadcast_bssid = 1;
- }
-
- switch (msg_type) {
- case ieee80211_msg_normal:
- /* continue processing */
- break;
- case ieee80211_msg_tx_callback_ack:
- handle_tx_callback(hapd, buf, data_len, 1);
- return;
- case ieee80211_msg_tx_callback_fail:
- handle_tx_callback(hapd, buf, data_len, 0);
- return;
- }
-
- switch (type) {
- case WLAN_FC_TYPE_MGMT:
- if (stype != WLAN_FC_STYPE_BEACON &&
- stype != WLAN_FC_STYPE_PROBE_REQ)
- wpa_printf(MSG_MSGDUMP, "MGMT");
- if (broadcast_bssid) {
- for (i = 0; i < iface->num_bss; i++)
- ieee802_11_mgmt(iface->bss[i], buf, data_len,
- stype, hfi);
- } else
- ieee802_11_mgmt(hapd, buf, data_len, stype, hfi);
- break;
- case WLAN_FC_TYPE_CTRL:
- /* can only get here with PS-Poll frames */
- wpa_printf(MSG_DEBUG, "CTRL");
- handle_unknown_sta(hapd, hdr->addr2);
- break;
- case WLAN_FC_TYPE_DATA:
- wpa_printf(MSG_DEBUG, "DATA");
- handle_unknown_sta(hapd, hdr->addr2);
- break;
- }
-}
-
-
-static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct i802_driver_data *drv = eloop_ctx;
- struct hostapd_data *hapd = drv->hapd;
- struct sockaddr_ll lladdr;
- unsigned char buf[3000];
- int len;
- socklen_t fromlen = sizeof(lladdr);
-
- len = recvfrom(sock, buf, sizeof(buf), 0,
- (struct sockaddr *)&lladdr, &fromlen);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (have_ifidx(drv, lladdr.sll_ifindex))
- ieee802_1x_receive(hapd, lladdr.sll_addr, buf, len);
-}
-
-
-static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct i802_driver_data *drv = eloop_ctx;
- int len;
- unsigned char buf[3000];
- struct hostapd_data *hapd = drv->hapd;
- struct ieee80211_radiotap_iterator iter;
- int ret;
- struct hostapd_frame_info hfi;
- int injected = 0, failed = 0, msg_type, rxflags = 0;
-
- len = recv(sock, buf, sizeof(buf), 0);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
- printf("received invalid radiotap frame\n");
- return;
- }
-
- memset(&hfi, 0, sizeof(hfi));
-
- while (1) {
- ret = ieee80211_radiotap_iterator_next(&iter);
- if (ret == -ENOENT)
- break;
- if (ret) {
- printf("received invalid radiotap frame (%d)\n", ret);
- return;
- }
- switch (iter.this_arg_index) {
- case IEEE80211_RADIOTAP_FLAGS:
- if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
- len -= 4;
- break;
- case IEEE80211_RADIOTAP_RX_FLAGS:
- rxflags = 1;
- break;
- case IEEE80211_RADIOTAP_TX_FLAGS:
- injected = 1;
- failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
- IEEE80211_RADIOTAP_F_TX_FAIL;
- break;
- case IEEE80211_RADIOTAP_DATA_RETRIES:
- break;
- case IEEE80211_RADIOTAP_CHANNEL:
- /* TODO convert from freq/flags to channel number
- hfi.channel = XXX;
- hfi.phytype = XXX;
- */
- break;
- case IEEE80211_RADIOTAP_RATE:
- hfi.datarate = *iter.this_arg * 5;
- break;
- case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
- hfi.ssi_signal = *iter.this_arg;
- break;
- }
- }
-
- if (rxflags && injected)
- return;
-
- if (!injected)
- msg_type = ieee80211_msg_normal;
- else if (failed)
- msg_type = ieee80211_msg_tx_callback_fail;
- else
- msg_type = ieee80211_msg_tx_callback_ack;
-
- handle_frame(hapd->iface, buf + iter.max_length,
- len - iter.max_length, &hfi, msg_type);
-}
-
-
-static int nl80211_create_monitor_interface(struct i802_driver_data *drv)
-{
- char buf[IFNAMSIZ];
- struct sockaddr_ll ll;
- int optval;
- socklen_t optlen;
-
- snprintf(buf, IFNAMSIZ, "mon.%s", drv->iface);
- buf[IFNAMSIZ - 1] = '\0';
-
- drv->monitor_ifidx =
- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL);
-
- if (drv->monitor_ifidx < 0)
- return -1;
-
- if (hostapd_set_iface_flags(drv, buf, 1))
- goto error;
-
- memset(&ll, 0, sizeof(ll));
- ll.sll_family = AF_PACKET;
- ll.sll_ifindex = drv->monitor_ifidx;
- drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
- if (drv->monitor_sock < 0) {
- perror("socket[PF_PACKET,SOCK_RAW]");
- goto error;
- }
-
- if (bind(drv->monitor_sock, (struct sockaddr *) &ll,
- sizeof(ll)) < 0) {
- perror("monitor socket bind");
- goto error;
- }
-
- optlen = sizeof(optval);
- optval = 20;
- if (setsockopt
- (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
- perror("Failed to set socket priority");
- goto error;
- }
-
- if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
- drv, NULL)) {
- printf("Could not register monitor read socket\n");
- goto error;
- }
-
- return 0;
- error:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- return -1;
-}
-
-
-static int nl80211_set_master_mode(struct i802_driver_data *drv,
- const char *ifname)
-{
- struct nl_msg *msg;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(ifname));
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_AP);
-
- if (nl_send_auto_complete(drv->nl_handle, msg) < 0 ||
- nl_wait_for_ack(drv->nl_handle) < 0) {
- nla_put_failure:
- wpa_printf(MSG_ERROR, "Failed to set interface %s to master "
- "mode.", ifname);
- nlmsg_free(msg);
- return -1;
- }
-
- nlmsg_free(msg);
-
- return 0;
-}
-
-
-static int i802_init_sockets(struct i802_driver_data *drv, const u8 *bssid)
-{
- struct ifreq ifr;
- struct sockaddr_ll addr;
-
- drv->ioctl_sock = -1;
-
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket[PF_INET,SOCK_DGRAM]");
- return -1;
- }
-
- /* start listening for EAPOL on the default AP interface */
- add_ifidx(drv, if_nametoindex(drv->iface));
-
- if (hostapd_set_iface_flags(drv, drv->iface, 0))
- return -1;
-
- if (bssid) {
- os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
- memcpy(ifr.ifr_hwaddr.sa_data, bssid, ETH_ALEN);
- ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifr)) {
- perror("ioctl(SIOCSIFHWADDR)");
- return -1;
- }
- }
-
- /*
- * initialise generic netlink and nl80211
- */
- drv->nl_handle = nl_handle_alloc();
- if (!drv->nl_handle) {
- printf("Failed to allocate netlink handle.\n");
- return -1;
- }
-
- if (genl_connect(drv->nl_handle)) {
- printf("Failed to connect to generic netlink.\n");
- return -1;
- }
-
- drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
- if (!drv->nl_cache) {
- printf("Failed to allocate generic netlink cache.\n");
- return -1;
- }
-
- drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
- if (!drv->nl80211) {
- printf("nl80211 not found.\n");
- return -1;
- }
-
- /* Initialise a monitor interface */
- if (nl80211_create_monitor_interface(drv))
- return -1;
-
- if (nl80211_set_master_mode(drv, drv->iface))
- return -1;
-
- if (hostapd_set_iface_flags(drv, drv->iface, 1))
- return -1;
-
- memset(&addr, 0, sizeof(addr));
- addr.sll_family = AF_PACKET;
- addr.sll_ifindex = ifr.ifr_ifindex;
- wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
- addr.sll_ifindex);
-
- drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
- if (drv->eapol_sock < 0) {
- perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
- return -1;
- }
-
- if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
- {
- printf("Could not register read socket for eapol\n");
- return -1;
- }
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
- if (ioctl(drv->ioctl_sock, SIOCGIFHWADDR, &ifr) != 0) {
- perror("ioctl(SIOCGIFHWADDR)");
- return -1;
- }
-
- if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
- printf("Invalid HW-addr family 0x%04x\n",
- ifr.ifr_hwaddr.sa_family);
- return -1;
- }
- memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
-
- return 0;
-}
-
-
-static int i802_get_inact_sec(void *priv, const u8 *addr)
-{
- struct hostap_sta_driver_data data;
- int ret;
-
- data.inactive_msec = (unsigned long) -1;
- ret = i802_read_sta_data(priv, &data, addr);
- if (ret || data.inactive_msec == (unsigned long) -1)
- return -1;
- return data.inactive_msec / 1000;
-}
-
-
-static int i802_sta_clear_stats(void *priv, const u8 *addr)
-{
-#if 0
- /* TODO */
-#endif
- return 0;
-}
-
-
-static void
-hostapd_wireless_event_wireless_custom(struct i802_driver_data *drv,
- char *custom)
-{
- wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
-
- if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
- char *pos;
- u8 addr[ETH_ALEN];
- pos = strstr(custom, "addr=");
- if (pos == NULL) {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "without sender address ignored");
- return;
- }
- pos += 5;
- if (hwaddr_aton(pos, addr) == 0) {
- ieee80211_michael_mic_failure(drv->hapd, addr, 1);
- } else {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "with invalid MAC address");
- }
- }
-}
-
-
-static void hostapd_wireless_event_wireless(struct i802_driver_data *drv,
- char *data, int len)
-{
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end, *custom, *buf;
-
- pos = data;
- end = data + len;
-
- while (pos + IW_EV_LCP_LEN <= end) {
- /* Event data may be unaligned, so make a local, aligned copy
- * before processing. */
- memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
- iwe->cmd, iwe->len);
- if (iwe->len <= IW_EV_LCP_LEN)
- return;
-
- custom = pos + IW_EV_POINT_LEN;
- if (drv->we_version > 18 &&
- (iwe->cmd == IWEVMICHAELMICFAILURE ||
- iwe->cmd == IWEVCUSTOM)) {
- /* WE-19 removed the pointer from struct iw_point */
- char *dpos = (char *) &iwe_buf.u.data.length;
- int dlen = dpos - (char *) &iwe_buf;
- memcpy(dpos, pos + IW_EV_LCP_LEN,
- sizeof(struct iw_event) - dlen);
- } else {
- memcpy(&iwe_buf, pos, sizeof(struct iw_event));
- custom += IW_EV_POINT_OFF;
- }
-
- switch (iwe->cmd) {
- case IWEVCUSTOM:
- if (custom + iwe->u.data.length > end)
- return;
- buf = malloc(iwe->u.data.length + 1);
- if (buf == NULL)
- return;
- memcpy(buf, custom, iwe->u.data.length);
- buf[iwe->u.data.length] = '\0';
- hostapd_wireless_event_wireless_custom(drv, buf);
- free(buf);
- break;
- }
-
- pos += iwe->len;
- }
-}
-
-
-static void hostapd_wireless_event_rtm_newlink(struct i802_driver_data *drv,
- struct nlmsghdr *h, int len)
-{
- struct ifinfomsg *ifi;
- int attrlen, nlmsg_len, rta_len;
- struct rtattr *attr;
-
- if (len < (int) sizeof(*ifi))
- return;
-
- ifi = NLMSG_DATA(h);
-
- /* TODO: use ifi->ifi_index to filter out wireless events from other
- * interfaces */
-
- nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
-
- attrlen = h->nlmsg_len - nlmsg_len;
- if (attrlen < 0)
- return;
-
- attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
-
- rta_len = RTA_ALIGN(sizeof(struct rtattr));
- while (RTA_OK(attr, attrlen)) {
- if (attr->rta_type == IFLA_WIRELESS) {
- hostapd_wireless_event_wireless(
- drv, ((char *) attr) + rta_len,
- attr->rta_len - rta_len);
- }
- attr = RTA_NEXT(attr, attrlen);
- }
-}
-
-
-static void hostapd_wireless_event_receive(int sock, void *eloop_ctx,
- void *sock_ctx)
-{
- char buf[256];
- int left;
- struct sockaddr_nl from;
- socklen_t fromlen;
- struct nlmsghdr *h;
- struct i802_driver_data *drv = eloop_ctx;
-
- fromlen = sizeof(from);
- left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
- (struct sockaddr *) &from, &fromlen);
- if (left < 0) {
- if (errno != EINTR && errno != EAGAIN)
- perror("recvfrom(netlink)");
- return;
- }
-
- h = (struct nlmsghdr *) buf;
- while (left >= (int) sizeof(*h)) {
- int len, plen;
-
- len = h->nlmsg_len;
- plen = len - sizeof(*h);
- if (len > left || plen < 0) {
- printf("Malformed netlink message: "
- "len=%d left=%d plen=%d\n",
- len, left, plen);
- break;
- }
-
- switch (h->nlmsg_type) {
- case RTM_NEWLINK:
- hostapd_wireless_event_rtm_newlink(drv, h, plen);
- break;
- }
-
- len = NLMSG_ALIGN(len);
- left -= len;
- h = (struct nlmsghdr *) ((char *) h + len);
- }
-
- if (left > 0) {
- printf("%d extra bytes in the end of netlink message\n", left);
- }
-}
-
-
-static int hostap_get_we_version(struct i802_driver_data *drv)
-{
- struct iw_range *range;
- struct iwreq iwr;
- int minlen;
- size_t buflen;
-
- drv->we_version = 0;
-
- /*
- * Use larger buffer than struct iw_range in order to allow the
- * structure to grow in the future.
- */
- buflen = sizeof(struct iw_range) + 500;
- range = os_zalloc(buflen);
- if (range == NULL)
- return -1;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) range;
- iwr.u.data.length = buflen;
-
- minlen = ((char *) &range->enc_capa) - (char *) range +
- sizeof(range->enc_capa);
-
- if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
- perror("ioctl[SIOCGIWRANGE]");
- free(range);
- return -1;
- } else if (iwr.u.data.length >= minlen &&
- range->we_version_compiled >= 18) {
- wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
- "WE(source)=%d enc_capa=0x%x",
- range->we_version_compiled,
- range->we_version_source,
- range->enc_capa);
- drv->we_version = range->we_version_compiled;
- }
-
- free(range);
- return 0;
-}
-
-
-static int i802_wireless_event_init(void *priv)
-{
- struct i802_driver_data *drv = priv;
- int s;
- struct sockaddr_nl local;
-
- hostap_get_we_version(drv);
-
- drv->wext_sock = -1;
-
- s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (s < 0) {
- perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
- return -1;
- }
-
- memset(&local, 0, sizeof(local));
- local.nl_family = AF_NETLINK;
- local.nl_groups = RTMGRP_LINK;
- if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
- perror("bind(netlink)");
- close(s);
- return -1;
- }
-
- eloop_register_read_sock(s, hostapd_wireless_event_receive, drv,
- NULL);
- drv->wext_sock = s;
-
- return 0;
-}
-
-
-static void i802_wireless_event_deinit(void *priv)
-{
- struct i802_driver_data *drv = priv;
- if (drv->wext_sock < 0)
- return;
- eloop_unregister_read_sock(drv->wext_sock);
- close(drv->wext_sock);
-}
-
-
-static int i802_sta_deauth(void *priv, const u8 *addr, int reason)
-{
- struct i802_driver_data *drv = priv;
- struct ieee80211_mgmt mgmt;
-
- memset(&mgmt, 0, sizeof(mgmt));
- mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_DEAUTH);
- memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
- mgmt.u.deauth.reason_code = host_to_le16(reason);
- return i802_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.deauth), 0);
-}
-
-
-static int i802_sta_disassoc(void *priv, const u8 *addr, int reason)
-{
- struct i802_driver_data *drv = priv;
- struct ieee80211_mgmt mgmt;
-
- memset(&mgmt, 0, sizeof(mgmt));
- mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_DISASSOC);
- memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
- mgmt.u.disassoc.reason_code = host_to_le16(reason);
- return i802_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.disassoc), 0);
-}
-
-
-static void *i802_init_bssid(struct hostapd_data *hapd, const u8 *bssid)
-{
- struct i802_driver_data *drv;
-
- drv = os_zalloc(sizeof(struct i802_driver_data));
- if (drv == NULL) {
- printf("Could not allocate memory for i802 driver data\n");
- return NULL;
- }
-
- drv->hapd = hapd;
- memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
-
- drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
- drv->if_indices = drv->default_if_indices;
-
- if (i802_init_sockets(drv, bssid))
- goto failed;
-
- return drv;
-
-failed:
- free(drv);
- return NULL;
-}
-
-
-static void *i802_init(struct hostapd_data *hapd)
-{
- return i802_init_bssid(hapd, NULL);
-}
-
-
-static void i802_deinit(void *priv)
-{
- struct i802_driver_data *drv = priv;
-
- i802_del_beacon(drv);
-
- /* remove monitor interface */
- nl80211_remove_iface(drv, drv->monitor_ifidx);
-
- (void) hostapd_set_iface_flags(drv, drv->iface, 0);
-
- if (drv->monitor_sock >= 0) {
- eloop_unregister_read_sock(drv->monitor_sock);
- close(drv->monitor_sock);
- }
- if (drv->ioctl_sock >= 0)
- close(drv->ioctl_sock);
- if (drv->eapol_sock >= 0) {
- eloop_unregister_read_sock(drv->eapol_sock);
- close(drv->eapol_sock);
- }
-
- genl_family_put(drv->nl80211);
- nl_cache_free(drv->nl_cache);
- nl_handle_destroy(drv->nl_handle);
-
- if (drv->if_indices != drv->default_if_indices)
- free(drv->if_indices);
-
- free(drv);
-}
-
-
-const struct wpa_driver_ops wpa_driver_nl80211_ops = {
- .name = "nl80211",
- .init = i802_init,
-// .init_bssid = i802_init_bssid,
- .deinit = i802_deinit,
- .wireless_event_init = i802_wireless_event_init,
- .wireless_event_deinit = i802_wireless_event_deinit,
- .set_ieee8021x = i802_set_ieee8021x,
- .set_privacy = i802_set_privacy,
- .set_encryption = i802_set_encryption,
- .get_seqnum = i802_get_seqnum,
- .flush = i802_flush,
- .read_sta_data = i802_read_sta_data,
- .send_eapol = i802_send_eapol,
- .sta_set_flags = i802_sta_set_flags,
- .sta_deauth = i802_sta_deauth,
- .sta_disassoc = i802_sta_disassoc,
- .sta_remove = i802_sta_remove,
- .set_ssid = i802_set_ssid,
- .send_mgmt_frame = i802_send_mgmt_frame,
- .sta_add = i802_sta_add,
- .get_inact_sec = i802_get_inact_sec,
- .sta_clear_stats = i802_sta_clear_stats,
- .set_freq = i802_set_freq,
- .set_rts = i802_set_rts,
- .get_rts = i802_get_rts,
- .set_frag = i802_set_frag,
- .get_frag = i802_get_frag,
- .set_retry = i802_set_retry,
- .get_retry = i802_get_retry,
- .set_rate_sets = i802_set_rate_sets,
- .set_channel_flag = i802_set_channel_flag,
- .set_regulatory_domain = i802_set_regulatory_domain,
- .set_beacon = i802_set_beacon,
- .set_internal_bridge = i802_set_internal_bridge,
- .set_beacon_int = i802_set_beacon_int,
- .set_dtim_period = i802_set_dtim_period,
- .set_cts_protect = i802_set_cts_protect,
- .set_preamble = i802_set_preamble,
- .set_short_slot_time = i802_set_short_slot_time,
- .set_tx_queue_params = i802_set_tx_queue_params,
- .bss_add = i802_bss_add,
- .bss_remove = i802_bss_remove,
- .if_add = i802_if_add,
- .if_update = i802_if_update,
- .if_remove = i802_if_remove,
- .get_hw_feature_data = i802_get_hw_feature_data,
- .set_sta_vlan = i802_set_sta_vlan,
-};