#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include "nl80211_copy.h"
-#ifdef CONFIG_CLIENT_MLME
-#include <netpacket/packet.h>
-#include <linux/if_ether.h>
-#include "radiotap.h"
-#include "radiotap_iter.h"
-#endif /* CONFIG_CLIENT_MLME */
-
#include "wireless_copy.h"
+
#include "common.h"
#include "driver.h"
#include "eloop.h"
#endif
-#ifndef NO_WEXT_COMPAT
-/*
- * Fall back to WEXT association, if the kernel does not support nl80211 MLME
- * commands. This is temporary backwards compatibility version that will be
- * removed at some point.
- */
-#define WEXT_COMPAT
-#endif /* NO_WEXT_COMPAT */
-
-
struct wpa_driver_nl80211_data {
void *ctx;
- int wext_event_sock;
+ int link_event_sock;
int ioctl_sock;
char ifname[IFNAMSIZ + 1];
int ifindex;
int if_removed;
struct wpa_driver_capa capa;
int has_capability;
- int we_version_compiled;
-
-#ifdef WEXT_COMPAT
- u8 *assoc_req_ies;
- size_t assoc_req_ies_len;
- u8 *assoc_resp_ies;
- size_t assoc_resp_ies_len;
-
- /* for set_auth_alg fallback */
- int use_crypt;
- int auth_alg_fallback;
-#endif /* WEXT_COMPAT */
int operstate;
- char mlmedev[IFNAMSIZ + 1];
-
int scan_complete_events;
struct nl_handle *nl_handle;
struct nl_cb *nl_cb;
struct genl_family *nl80211;
-#ifdef CONFIG_CLIENT_MLME
- int monitor_sock; /* socket for monitor */
- int monitor_ifidx;
-#endif /* CONFIG_CLIENT_MLME */
-
u8 bssid[ETH_ALEN];
int associated;
+ u8 ssid[32];
+ size_t ssid_len;
};
static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
void *timeout_ctx);
-static int wpa_driver_nl80211_set_mode(void *priv, int mode);
-static int wpa_driver_nl80211_flush_pmkid(void *priv);
-static int wpa_driver_nl80211_get_range(void *priv);
+static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
+ int mode);
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
wpa_printf(MSG_DEBUG, "WEXT: Operstate: linkmode=%d, operstate=%d",
linkmode, operstate);
- ret = send(drv->wext_event_sock, &req, req.hdr.nlmsg_len, 0);
+ ret = send(drv->link_event_sock, &req, req.hdr.nlmsg_len, 0);
if (ret < 0) {
wpa_printf(MSG_DEBUG, "WEXT: Sending operstate IFLA failed: "
"%s (assume operstate is not supported)",
static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
{
struct wpa_driver_nl80211_data *drv = priv;
-#ifdef WEXT_COMPAT
- if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
- struct iwreq iwr;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIWAP, &iwr) < 0) {
- perror("ioctl[SIOCGIWAP]");
- ret = -1;
- }
- os_memcpy(bssid, iwr.u.ap_addr.sa_data, ETH_ALEN);
-
- return ret;
- }
-#endif /* WEXT_COMPAT */
if (!drv->associated)
return -1;
os_memcpy(bssid, drv->bssid, ETH_ALEN);
}
-static int wpa_driver_nl80211_set_bssid(void *priv, const u8 *bssid)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.ap_addr.sa_family = ARPHRD_ETHER;
- if (bssid)
- os_memcpy(iwr.u.ap_addr.sa_data, bssid, ETH_ALEN);
- else
- os_memset(iwr.u.ap_addr.sa_data, 0, ETH_ALEN);
-
- if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr) < 0) {
- perror("ioctl[SIOCSIWAP]");
- ret = -1;
- }
-
- return ret;
-}
-
-
static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
{
struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.essid.pointer = (caddr_t) ssid;
- iwr.u.essid.length = 32;
-
- if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCGIWESSID]");
- ret = -1;
- } else {
- ret = iwr.u.essid.length;
- if (ret > 32)
- ret = 32;
- /* Some drivers include nul termination in the SSID, so let's
- * remove it here before further processing. WE-21 changes this
- * to explicitly require the length _not_ to include nul
- * termination. */
- if (ret > 0 && ssid[ret - 1] == '\0' &&
- drv->we_version_compiled < 21)
- ret--;
- }
-
- return ret;
-}
-
-
-static int wpa_driver_nl80211_set_ssid(void *priv, const u8 *ssid,
- size_t ssid_len)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
- char buf[33];
-
- if (ssid_len > 32)
- return -1;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- /* flags: 1 = ESSID is active, 0 = not (promiscuous) */
- iwr.u.essid.flags = (ssid_len != 0);
- os_memset(buf, 0, sizeof(buf));
- os_memcpy(buf, ssid, ssid_len);
- iwr.u.essid.pointer = (caddr_t) buf;
- if (drv->we_version_compiled < 21) {
- /* For historic reasons, set SSID length to include one extra
- * character, C string nul termination, even though SSID is
- * really an octet string that should not be presented as a C
- * string. Some Linux drivers decrement the length by one and
- * can thus end up missing the last octet of the SSID if the
- * length is not incremented here. WE-21 changes this to
- * explicitly require the length _not_ to include nul
- * termination. */
- if (ssid_len)
- ssid_len++;
- }
- iwr.u.essid.length = ssid_len;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCSIWESSID]");
- ret = -1;
- }
-
- return ret;
-}
-
-
-static int wpa_driver_nl80211_set_freq(void *priv, int freq)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.freq.m = freq * 100000;
- iwr.u.freq.e = 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
- perror("ioctl[SIOCSIWFREQ]");
- ret = -1;
- }
-
- return ret;
-}
-
-
-#ifdef WEXT_COMPAT
-static void
-wpa_driver_nl80211_event_wireless_custom(void *ctx, char *custom)
-{
- union wpa_event_data data;
-
- wpa_printf(MSG_MSGDUMP, "WEXT: Custom wireless event: '%s'",
- custom);
-
- os_memset(&data, 0, sizeof(data));
- /* Host AP driver */
- if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
- data.michael_mic_failure.unicast =
- os_strstr(custom, " unicast ") != NULL;
- /* TODO: parse parameters(?) */
- wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
- } else if (os_strncmp(custom, "ASSOCINFO(ReqIEs=", 17) == 0) {
- char *spos;
- int bytes;
-
- spos = custom + 17;
-
- bytes = strspn(spos, "0123456789abcdefABCDEF");
- if (!bytes || (bytes & 1))
- return;
- bytes /= 2;
-
- data.assoc_info.req_ies = os_malloc(bytes);
- if (data.assoc_info.req_ies == NULL)
- return;
-
- data.assoc_info.req_ies_len = bytes;
- hexstr2bin(spos, data.assoc_info.req_ies, bytes);
-
- spos += bytes * 2;
-
- data.assoc_info.resp_ies = NULL;
- data.assoc_info.resp_ies_len = 0;
-
- if (os_strncmp(spos, " RespIEs=", 9) == 0) {
- spos += 9;
-
- bytes = strspn(spos, "0123456789abcdefABCDEF");
- if (!bytes || (bytes & 1))
- goto done;
- bytes /= 2;
-
- data.assoc_info.resp_ies = os_malloc(bytes);
- if (data.assoc_info.resp_ies == NULL)
- goto done;
-
- data.assoc_info.resp_ies_len = bytes;
- hexstr2bin(spos, data.assoc_info.resp_ies, bytes);
- }
-
- wpa_supplicant_event(ctx, EVENT_ASSOCINFO, &data);
-
- done:
- os_free(data.assoc_info.resp_ies);
- os_free(data.assoc_info.req_ies);
-#ifdef CONFIG_PEERKEY
- } else if (os_strncmp(custom, "STKSTART.request=", 17) == 0) {
- if (hwaddr_aton(custom + 17, data.stkstart.peer)) {
- wpa_printf(MSG_DEBUG, "WEXT: unrecognized "
- "STKSTART.request '%s'", custom + 17);
- return;
- }
- wpa_supplicant_event(ctx, EVENT_STKSTART, &data);
-#endif /* CONFIG_PEERKEY */
- }
-}
-#endif /* WEXT_COMPAT */
-
-
-static int wpa_driver_nl80211_event_wireless_michaelmicfailure(
- void *ctx, const char *ev, size_t len)
-{
- const struct iw_michaelmicfailure *mic;
- union wpa_event_data data;
-
- if (len < sizeof(*mic))
- return -1;
-
- mic = (const struct iw_michaelmicfailure *) ev;
-
- wpa_printf(MSG_DEBUG, "Michael MIC failure wireless event: "
- "flags=0x%x src_addr=" MACSTR, mic->flags,
- MAC2STR(mic->src_addr.sa_data));
-
- os_memset(&data, 0, sizeof(data));
- data.michael_mic_failure.unicast = !(mic->flags & IW_MICFAILURE_GROUP);
- wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
-
- return 0;
-}
-
-
-static int wpa_driver_nl80211_event_wireless_pmkidcand(
- struct wpa_driver_nl80211_data *drv, const char *ev, size_t len)
-{
- const struct iw_pmkid_cand *cand;
- union wpa_event_data data;
- const u8 *addr;
-
- if (len < sizeof(*cand))
- return -1;
-
- cand = (const struct iw_pmkid_cand *) ev;
- addr = (const u8 *) cand->bssid.sa_data;
-
- wpa_printf(MSG_DEBUG, "PMKID candidate wireless event: "
- "flags=0x%x index=%d bssid=" MACSTR, cand->flags,
- cand->index, MAC2STR(addr));
-
- os_memset(&data, 0, sizeof(data));
- os_memcpy(data.pmkid_candidate.bssid, addr, ETH_ALEN);
- data.pmkid_candidate.index = cand->index;
- data.pmkid_candidate.preauth = cand->flags & IW_PMKID_CAND_PREAUTH;
- wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
-
- return 0;
-}
-
-
-#ifdef WEXT_COMPAT
-static int wpa_driver_nl80211_event_wireless_assocreqie(
- struct wpa_driver_nl80211_data *drv, const char *ev, int len)
-{
- if (len < 0)
- return -1;
-
- wpa_hexdump(MSG_DEBUG, "AssocReq IE wireless event", (const u8 *) ev,
- len);
- os_free(drv->assoc_req_ies);
- drv->assoc_req_ies = os_malloc(len);
- if (drv->assoc_req_ies == NULL) {
- drv->assoc_req_ies_len = 0;
- return -1;
- }
- os_memcpy(drv->assoc_req_ies, ev, len);
- drv->assoc_req_ies_len = len;
-
- return 0;
-}
-
-
-static int wpa_driver_nl80211_event_wireless_assocrespie(
- struct wpa_driver_nl80211_data *drv, const char *ev, int len)
-{
- if (len < 0)
- return -1;
-
- wpa_hexdump(MSG_DEBUG, "AssocResp IE wireless event", (const u8 *) ev,
- len);
- os_free(drv->assoc_resp_ies);
- drv->assoc_resp_ies = os_malloc(len);
- if (drv->assoc_resp_ies == NULL) {
- drv->assoc_resp_ies_len = 0;
+ if (!drv->associated)
return -1;
- }
- os_memcpy(drv->assoc_resp_ies, ev, len);
- drv->assoc_resp_ies_len = len;
-
- return 0;
-}
-
-
-static void wpa_driver_nl80211_event_assoc_ies(struct wpa_driver_nl80211_data *drv)
-{
- union wpa_event_data data;
-
- if (drv->assoc_req_ies == NULL && drv->assoc_resp_ies == NULL)
- return;
-
- os_memset(&data, 0, sizeof(data));
- if (drv->assoc_req_ies) {
- data.assoc_info.req_ies = drv->assoc_req_ies;
- drv->assoc_req_ies = NULL;
- data.assoc_info.req_ies_len = drv->assoc_req_ies_len;
- }
- if (drv->assoc_resp_ies) {
- data.assoc_info.resp_ies = drv->assoc_resp_ies;
- drv->assoc_resp_ies = NULL;
- data.assoc_info.resp_ies_len = drv->assoc_resp_ies_len;
- }
-
- wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
-
- os_free(data.assoc_info.req_ies);
- os_free(data.assoc_info.resp_ies);
-}
-#endif /* WEXT_COMPAT */
-
-
-static void wpa_driver_nl80211_event_wireless(struct wpa_driver_nl80211_data *drv,
- void *ctx, char *data, int len)
-{
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end, *custom;
-#ifdef WEXT_COMPAT
- char *buf;
-#endif /* WEXT_COMPAT */
-
- 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. */
- os_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_compiled > 18 &&
- (iwe->cmd == IWEVMICHAELMICFAILURE ||
- iwe->cmd == IWEVCUSTOM ||
- iwe->cmd == IWEVASSOCREQIE ||
- iwe->cmd == IWEVASSOCRESPIE ||
- iwe->cmd == IWEVPMKIDCAND)) {
- /* WE-19 removed the pointer from struct iw_point */
- char *dpos = (char *) &iwe_buf.u.data.length;
- int dlen = dpos - (char *) &iwe_buf;
- os_memcpy(dpos, pos + IW_EV_LCP_LEN,
- sizeof(struct iw_event) - dlen);
- } else {
- os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
- custom += IW_EV_POINT_OFF;
- }
-
- switch (iwe->cmd) {
-#ifdef WEXT_COMPAT
- case SIOCGIWAP:
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- break;
- wpa_printf(MSG_DEBUG, "Wireless event: new AP: "
- MACSTR,
- MAC2STR((u8 *) iwe->u.ap_addr.sa_data));
- if (is_zero_ether_addr(
- (const u8 *) iwe->u.ap_addr.sa_data) ||
- os_memcmp(iwe->u.ap_addr.sa_data,
- "\x44\x44\x44\x44\x44\x44", ETH_ALEN) ==
- 0) {
- os_free(drv->assoc_req_ies);
- drv->assoc_req_ies = NULL;
- os_free(drv->assoc_resp_ies);
- drv->assoc_resp_ies = NULL;
- wpa_supplicant_event(ctx, EVENT_DISASSOC,
- NULL);
-
- } else {
- wpa_driver_nl80211_event_assoc_ies(drv);
- wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
- }
- break;
-#endif /* WEXT_COMPAT */
- case IWEVMICHAELMICFAILURE:
- wpa_driver_nl80211_event_wireless_michaelmicfailure(
- ctx, custom, iwe->u.data.length);
- break;
-#ifdef WEXT_COMPAT
- case IWEVCUSTOM:
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- break;
- if (custom + iwe->u.data.length > end)
- return;
- buf = os_malloc(iwe->u.data.length + 1);
- if (buf == NULL)
- return;
- os_memcpy(buf, custom, iwe->u.data.length);
- buf[iwe->u.data.length] = '\0';
- wpa_driver_nl80211_event_wireless_custom(ctx, buf);
- os_free(buf);
- break;
- case IWEVASSOCREQIE:
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- break;
- wpa_driver_nl80211_event_wireless_assocreqie(
- drv, custom, iwe->u.data.length);
- break;
- case IWEVASSOCRESPIE:
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- break;
- wpa_driver_nl80211_event_wireless_assocrespie(
- drv, custom, iwe->u.data.length);
- break;
-#endif /* WEXT_COMPAT */
- case IWEVPMKIDCAND:
- wpa_driver_nl80211_event_wireless_pmkidcand(
- drv, custom, iwe->u.data.length);
- break;
- }
-
- pos += iwe->len;
- }
+ os_memcpy(ssid, drv->ssid, drv->ssid_len);
+ return drv->ssid_len;
}
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
- if (attr->rta_type == IFLA_WIRELESS) {
- wpa_driver_nl80211_event_wireless(
- drv, ctx, ((char *) attr) + rta_len,
- attr->rta_len - rta_len);
- } else if (attr->rta_type == IFLA_IFNAME) {
+ if (attr->rta_type == IFLA_IFNAME) {
wpa_driver_nl80211_event_link(
drv, ctx,
((char *) attr) + rta_len,
}
-static void wpa_driver_nl80211_event_receive_wext(int sock, void *eloop_ctx,
+static void wpa_driver_nl80211_event_receive_link(int sock, void *eloop_ctx,
void *sock_ctx)
{
char buf[8192];
}
-#ifdef CONFIG_CLIENT_MLME
-
-static int nl80211_set_vif(struct wpa_driver_nl80211_data *drv,
- int drop_unencrypted, int userspace_mlme)
-{
-#ifdef NL80211_CMD_SET_VIF
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_SET_VIF, 0);
-
- if (drop_unencrypted >= 0)
- NLA_PUT_U8(msg, NL80211_ATTR_VIF_DROP_UNENCRYPTED,
- drop_unencrypted);
- if (userspace_mlme >= 0)
- NLA_PUT_U8(msg, NL80211_ATTR_VIF_USERSPACE_MLME,
- userspace_mlme);
+struct wiphy_info_data {
+ int max_scan_ssids;
+ int ap_supported;
+};
- ret = 0;
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+static int wiphy_info_handler(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct wiphy_info_data *info = arg;
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- return ret;
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
-nla_put_failure:
- return -ENOBUFS;
-#else /* NL80211_CMD_SET_VIF */
- return -1;
-#endif /* NL80211_CMD_SET_VIF */
-}
+ if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
+ info->max_scan_ssids =
+ nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
+ if (tb[NL80211_ATTR_SUPPORTED_IFTYPES]) {
+ struct nlattr *nl_mode;
+ int i;
+ nla_for_each_nested(nl_mode,
+ tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) {
+ if (nl_mode->nla_type == NL80211_IFTYPE_AP) {
+ info->ap_supported = 1;
+ break;
+ }
+ }
+ }
-static int wpa_driver_nl80211_set_userspace_mlme(
- struct wpa_driver_nl80211_data *drv, int enabled)
-{
- return nl80211_set_vif(drv, -1, enabled);
+ return NL_SKIP;
}
-static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
- int ifidx)
+static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
+ struct wiphy_info_data *info)
{
struct nl_msg *msg;
+ os_memset(info, 0, sizeof(*info));
msg = nlmsg_alloc();
if (!msg)
- goto nla_put_failure;
+ return -1;
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 (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
- return;
+ 0, NL80211_CMD_GET_WIPHY, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+ if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info) == 0)
+ return 0;
+ msg = NULL;
nla_put_failure:
- wpa_printf(MSG_ERROR, "nl80211: Failed to remove interface.");
+ nlmsg_free(msg);
+ return -1;
}
-static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
- const char *ifname, enum nl80211_iftype iftype)
+static void wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
{
- struct nl_msg *msg, *flags = NULL;
- int ifidx, err;
- int ret = -ENOBUFS;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
+ struct wiphy_info_data info;
+ if (wpa_driver_nl80211_get_info(drv, &info))
+ return;
+ drv->has_capability = 1;
+ /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */
+ drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
+ WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
+ WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
+ WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
+ drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 |
+ WPA_DRIVER_CAPA_ENC_WEP104 |
+ WPA_DRIVER_CAPA_ENC_TKIP |
+ WPA_DRIVER_CAPA_ENC_CCMP;
- 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->ifname));
- NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
-
- if (iftype == NL80211_IFTYPE_MONITOR) {
- flags = nlmsg_alloc();
- if (!flags)
- goto nla_put_failure;
+ drv->capa.max_scan_ssids = info.max_scan_ssids;
+ if (info.ap_supported)
+ drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
+}
- NLA_PUT_FLAG(flags, NL80211_MNTR_FLAG_COOK_FRAMES);
- err = nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
+/**
+ * wpa_driver_nl80211_init - Initialize nl80211 driver interface
+ * @ctx: context to be used when calling wpa_supplicant functions,
+ * e.g., wpa_supplicant_event()
+ * @ifname: interface name, e.g., wlan0
+ * Returns: Pointer to private data, %NULL on failure
+ */
+static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+{
+ int s, ret;
+ struct sockaddr_nl local;
+ struct wpa_driver_nl80211_data *drv;
- nlmsg_free(flags);
+ drv = os_zalloc(sizeof(*drv));
+ if (drv == NULL)
+ return NULL;
+ drv->ctx = ctx;
+ os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- if (err)
- goto nla_put_failure;
- }
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret) {
- nla_put_failure:
- wpa_printf(MSG_ERROR, "nl80211: Failed to create interface %d",
- ret);
- return ret;
- }
-
- ifidx = if_nametoindex(ifname);
- if (ifidx <= 0)
- return -1;
-
- return ifidx;
-}
-
-
-static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- int len;
- unsigned char buf[3000];
- struct ieee80211_radiotap_iterator iter;
- int ret;
- int injected = 0, failed = 0, rxflags = 0;
- struct ieee80211_rx_status rx_status;
-
- len = recv(sock, buf, sizeof(buf), 0);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (ieee80211_radiotap_iterator_init(&iter, (void *) buf, len)) {
- wpa_printf(MSG_DEBUG, "nl80211: received invalid radiotap "
- "frame");
- return;
- }
-
- os_memset(&rx_status, 0, sizeof(rx_status));
-
- while (1) {
- ret = ieee80211_radiotap_iterator_next(&iter);
- if (ret == -ENOENT)
- break;
- if (ret) {
- wpa_printf(MSG_DEBUG, "nl80211: received invalid "
- "radiotap frame (%d)", 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((*(u16 *) 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
- * rx_status.channel = XXX;
- */
- break;
- case IEEE80211_RADIOTAP_RATE:
- break;
- case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
- rx_status.ssi = *iter.this_arg;
- break;
- }
- }
-
- if (rxflags && injected)
- return;
-
- if (!injected) {
- wpa_supplicant_sta_rx(drv->ctx, buf + iter.max_length,
- len - iter.max_length, &rx_status);
- } else if (failed) {
- /* TX failure callback */
- } else {
- /* TX success (ACK) callback */
- }
-}
-
-
-static int wpa_driver_nl80211_create_monitor_interface(
- struct wpa_driver_nl80211_data *drv)
-{
- char buf[IFNAMSIZ];
- struct sockaddr_ll ll;
- int optval, flags;
- socklen_t optlen;
-
- os_snprintf(buf, IFNAMSIZ, "mon.%s", drv->ifname);
- buf[IFNAMSIZ - 1] = '\0';
-
- drv->monitor_ifidx =
- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR);
-
- if (drv->monitor_ifidx < 0)
- return -1;
-
- if (wpa_driver_nl80211_get_ifflags_ifname(drv, buf, &flags) != 0 ||
- wpa_driver_nl80211_set_ifflags_ifname(drv, buf, flags | IFF_UP) !=
- 0) {
- wpa_printf(MSG_ERROR, "nl80211: Could not set interface '%s' "
- "UP", buf);
- goto error;
- }
-
- os_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)) {
- wpa_printf(MSG_ERROR, "nl80211: Could not register monitor "
- "read socket");
- goto error;
- }
-
- return 0;
-
- error:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- return -1;
-}
-
-#endif /* CONFIG_CLIENT_MLME */
-
-
-struct wiphy_info_data {
- int max_scan_ssids;
-};
-
-
-static int wiphy_info_handler(struct nl_msg *msg, void *arg)
-{
- struct nlattr *tb[NL80211_ATTR_MAX + 1];
- struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
- struct wiphy_info_data *info = arg;
-
- nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
- genlmsg_attrlen(gnlh, 0), NULL);
-
- if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
- info->max_scan_ssids =
- nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
-
- return NL_SKIP;
-}
-
-
-static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
- struct wiphy_info_data *info)
-{
- struct nl_msg *msg;
-
- os_memset(info, 0, sizeof(*info));
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- 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, drv->ifindex);
-
- if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info) == 0)
- return 0;
- msg = NULL;
-nla_put_failure:
- nlmsg_free(msg);
- return -1;
-}
-
-
-static void wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
-{
- struct wiphy_info_data info;
- if (wpa_driver_nl80211_get_info(drv, &info))
- return;
- drv->has_capability = 1;
- drv->capa.max_scan_ssids = info.max_scan_ssids;
-}
-
-
-/**
- * wpa_driver_nl80211_init - Initialize nl80211 driver interface
- * @ctx: context to be used when calling wpa_supplicant functions,
- * e.g., wpa_supplicant_event()
- * @ifname: interface name, e.g., wlan0
- * Returns: Pointer to private data, %NULL on failure
- */
-static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
-{
- int s, ret;
- struct sockaddr_nl local;
- struct wpa_driver_nl80211_data *drv;
-
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
-
- drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
- if (drv->nl_cb == NULL) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
- "callbacks");
- goto err1;
+ drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
+ if (drv->nl_cb == NULL) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
+ "callbacks");
+ goto err1;
}
drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb);
ret = nl_get_multicast_id(drv, "nl80211", "mlme");
if (ret >= 0)
ret = nl_socket_add_membership(drv->nl_handle, ret);
-#ifdef WEXT_COMPAT
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
- "membership for mlme events: %d (%s)",
- ret, strerror(-ret));
- /* Use WEXT for association request */
- } else
- drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
-#else /* WEXT_COMPAT */
if (ret < 0) {
wpa_printf(MSG_ERROR, "nl80211: Could not add multicast "
"membership for mlme events: %d (%s)",
goto err4;
}
drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
-#endif /* WEXT_COMPAT */
eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle),
wpa_driver_nl80211_event_receive, drv, ctx);
goto err6;
}
- eloop_register_read_sock(s, wpa_driver_nl80211_event_receive_wext, drv,
+ eloop_register_read_sock(s, wpa_driver_nl80211_event_receive_link, drv,
ctx);
- drv->wext_event_sock = s;
+ drv->link_event_sock = s;
if (wpa_driver_nl80211_finish_drv_init(drv))
goto err7;
return drv;
err7:
- eloop_unregister_read_sock(drv->wext_event_sock);
- close(drv->wext_event_sock);
+ eloop_unregister_read_sock(drv->link_event_sock);
+ close(drv->link_event_sock);
err6:
close(drv->ioctl_sock);
err5:
{
int flags;
+ drv->ifindex = if_nametoindex(drv->ifname);
+
+ if (wpa_driver_nl80211_set_mode(drv, 0) < 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to "
+ "use managed mode");
+ }
+
if (wpa_driver_nl80211_get_ifflags(drv, &flags) != 0) {
wpa_printf(MSG_ERROR, "Could not get interface '%s' flags",
drv->ifname);
}
}
- /*
- * Make sure that the driver does not have any obsolete PMKID entries.
- */
- wpa_driver_nl80211_flush_pmkid(drv);
-
- if (wpa_driver_nl80211_set_mode(drv, 0) < 0) {
- printf("Could not configure driver to use managed mode\n");
- }
-
- wpa_driver_nl80211_get_range(drv);
-
- drv->ifindex = if_nametoindex(drv->ifname);
-
wpa_driver_nl80211_capa(drv);
wpa_driver_nl80211_send_oper_ifla(drv, 1, IF_OPER_DORMANT);
struct wpa_driver_nl80211_data *drv = priv;
int flags;
-#ifdef CONFIG_CLIENT_MLME
- if (drv->monitor_sock >= 0) {
- eloop_unregister_read_sock(drv->monitor_sock);
- close(drv->monitor_sock);
- }
- if (drv->monitor_ifidx > 0)
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- if (drv->capa.flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
- wpa_driver_nl80211_set_userspace_mlme(drv, 0);
-#endif /* CONFIG_CLIENT_MLME */
-
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
- /*
- * Clear possibly configured driver parameters in order to make it
- * easier to use the driver after wpa_supplicant has been terminated.
- */
- (void) wpa_driver_nl80211_set_bssid(drv,
- (u8 *) "\x00\x00\x00\x00\x00\x00");
+ wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED, 0);
wpa_driver_nl80211_send_oper_ifla(priv, 0, IF_OPER_UP);
- eloop_unregister_read_sock(drv->wext_event_sock);
+ eloop_unregister_read_sock(drv->link_event_sock);
if (wpa_driver_nl80211_get_ifflags(drv, &flags) == 0)
(void) wpa_driver_nl80211_set_ifflags(drv, flags & ~IFF_UP);
+ wpa_driver_nl80211_set_mode(drv, 0);
- close(drv->wext_event_sock);
+ close(drv->link_event_sock);
close(drv->ioctl_sock);
-#ifdef WEXT_COMPAT
- os_free(drv->assoc_req_ies);
- os_free(drv->assoc_resp_ies);
-#endif /* WEXT_COMPAT */
eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle));
genl_family_put(drv->nl80211);
{
struct wpa_driver_nl80211_data *drv = priv;
int ret = 0, timeout;
- struct nl_msg *msg, *ssids;
+ struct nl_msg *msg, *ssids, *freqs;
size_t i;
msg = nlmsg_alloc();
ssids = nlmsg_alloc();
- if (!msg || !ssids) {
+ freqs = nlmsg_alloc();
+ if (!msg || !ssids || !freqs) {
nlmsg_free(msg);
nlmsg_free(ssids);
+ nlmsg_free(freqs);
return -1;
}
params->extra_ies);
}
+ if (params->freqs) {
+ for (i = 0; params->freqs[i]; i++)
+ NLA_PUT_U32(freqs, i + 1, params->freqs[i]);
+ nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs);
+ }
+
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
msg = NULL;
if (ret) {
nla_put_failure:
nlmsg_free(ssids);
nlmsg_free(msg);
+ nlmsg_free(freqs);
return ret;
}
}
-static int wpa_driver_nl80211_get_range(void *priv)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iw_range *range;
- struct iwreq iwr;
- int minlen;
- size_t buflen;
-
- /*
- * 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;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, 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]");
- os_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->has_capability = 1;
- drv->we_version_compiled = range->we_version_compiled;
- if (range->enc_capa & IW_ENC_CAPA_WPA) {
- drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
- WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
- }
- if (range->enc_capa & IW_ENC_CAPA_WPA2) {
- drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
- WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
- }
- drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
- WPA_DRIVER_CAPA_ENC_WEP104;
- if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP)
- drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
- if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP)
- drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
- wpa_printf(MSG_DEBUG, " capabilities: key_mgmt 0x%x enc 0x%x",
- drv->capa.key_mgmt, drv->capa.enc);
- } else {
- wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: too old (short) data - "
- "assuming WPA is not supported");
- }
-
- os_free(range);
- return 0;
-}
-
-
-#ifdef WEXT_COMPAT
-static int wpa_driver_nl80211_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- return 0;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-
- return wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_WPA_ENABLED,
- enabled);
-}
-#endif /* WEXT_COMPAT */
-
-
static int wpa_driver_nl80211_set_key(void *priv, wpa_alg alg,
const u8 *addr, int key_idx,
int set_tx, const u8 *seq,
}
-#ifdef WEXT_COMPAT
-static int wpa_driver_nl80211_set_countermeasures(void *priv,
- int enabled)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- return 0;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_TKIP_COUNTERMEASURES,
- enabled);
-}
-#endif /* WEXT_COMPAT */
-
-
-static int wpa_driver_nl80211_set_drop_unencrypted(void *priv,
- int enabled)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-#ifdef WEXT_COMPAT
- drv->use_crypt = enabled;
-#endif /* WEXT_COMPAT */
- return wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
- enabled);
-}
-
-
-#ifdef WEXT_COMPAT
-static int wpa_driver_nl80211_mlme_wext(struct wpa_driver_nl80211_data *drv,
- const u8 *addr, int cmd,
- int reason_code)
-{
- struct iwreq iwr;
- struct iw_mlme mlme;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- os_memset(&mlme, 0, sizeof(mlme));
- mlme.cmd = cmd;
- mlme.reason_code = reason_code;
- mlme.addr.sa_family = ARPHRD_ETHER;
- os_memcpy(mlme.addr.sa_data, addr, ETH_ALEN);
- iwr.u.data.pointer = (caddr_t) &mlme;
- iwr.u.data.length = sizeof(mlme);
-
- if (ioctl(drv->ioctl_sock, SIOCSIWMLME, &iwr) < 0) {
- perror("ioctl[SIOCSIWMLME]");
- ret = -1;
- }
-
- return ret;
-}
-#endif /* WEXT_COMPAT */
-
-
static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
const u8 *addr, int cmd, u16 reason_code)
{
{
struct wpa_driver_nl80211_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
-#ifdef WEXT_COMPAT
- if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
- return wpa_driver_nl80211_mlme_wext(drv, addr, IW_MLME_DEAUTH,
- reason_code);
-#endif /* WEXT_COMPAT */
-
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
reason_code);
}
{
struct wpa_driver_nl80211_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
-#ifdef WEXT_COMPAT
- if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
- return wpa_driver_nl80211_mlme_wext(drv, addr,
- IW_MLME_DISASSOC,
- reason_code);
-#endif /* WEXT_COMPAT */
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE,
reason_code);
}
-#ifdef WEXT_COMPAT
-static int wpa_driver_nl80211_set_gen_ie(void *priv, const u8 *ie,
- size_t ie_len)
+static int wpa_driver_nl80211_authenticate(
+ void *priv, struct wpa_driver_auth_params *params)
{
struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
-
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- return 0;
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) ie;
- iwr.u.data.length = ie_len;
+ int ret = -1;
+ struct nl_msg *msg;
+ enum nl80211_auth_type type;
- if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
- perror("ioctl[SIOCSIWGENIE]");
- ret = -1;
- }
+ drv->associated = 0;
- return ret;
-}
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+ wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
+ drv->ifindex);
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_AUTHENTICATE, 0);
-static int wpa_driver_nl80211_cipher2wext(int cipher)
-{
- switch (cipher) {
- case CIPHER_NONE:
- return IW_AUTH_CIPHER_NONE;
- case CIPHER_WEP40:
- return IW_AUTH_CIPHER_WEP40;
- case CIPHER_TKIP:
- return IW_AUTH_CIPHER_TKIP;
- case CIPHER_CCMP:
- return IW_AUTH_CIPHER_CCMP;
- case CIPHER_WEP104:
- return IW_AUTH_CIPHER_WEP104;
- default:
- return 0;
- }
-}
-
-
-static int wpa_driver_nl80211_keymgmt2wext(int keymgmt)
-{
- switch (keymgmt) {
- case KEY_MGMT_802_1X:
- case KEY_MGMT_802_1X_NO_WPA:
- return IW_AUTH_KEY_MGMT_802_1X;
- case KEY_MGMT_PSK:
- return IW_AUTH_KEY_MGMT_PSK;
- default:
- return 0;
- }
-}
-
-
-static int
-wpa_driver_nl80211_auth_alg_fallback(struct wpa_driver_nl80211_data *drv,
- struct wpa_driver_associate_params *params)
-{
- struct iwreq iwr;
- int ret = 0;
-
- wpa_printf(MSG_DEBUG, "WEXT: Driver did not support "
- "SIOCSIWAUTH for AUTH_ALG, trying SIOCSIWENCODE");
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- /* Just changing mode, not actual keys */
- iwr.u.encoding.flags = 0;
- iwr.u.encoding.pointer = (caddr_t) NULL;
- iwr.u.encoding.length = 0;
-
- /*
- * Note: IW_ENCODE_{OPEN,RESTRICTED} can be interpreted to mean two
- * different things. Here they are used to indicate Open System vs.
- * Shared Key authentication algorithm. However, some drivers may use
- * them to select between open/restricted WEP encrypted (open = allow
- * both unencrypted and encrypted frames; restricted = only allow
- * encrypted frames).
- */
-
- if (!drv->use_crypt) {
- iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
- } else {
- if (params->auth_alg & AUTH_ALG_OPEN_SYSTEM)
- iwr.u.encoding.flags |= IW_ENCODE_OPEN;
- if (params->auth_alg & AUTH_ALG_SHARED_KEY)
- iwr.u.encoding.flags |= IW_ENCODE_RESTRICTED;
- }
-
- if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
- perror("ioctl[SIOCSIWENCODE]");
- ret = -1;
- }
-
- return ret;
-}
-
-
-static int wpa_driver_nl80211_associate_wext(
- void *priv, struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- int ret = 0;
- int allow_unencrypted_eapol;
- int value;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-
- /*
- * If the driver did not support SIOCSIWAUTH, fallback to
- * SIOCSIWENCODE here.
- */
- if (drv->auth_alg_fallback &&
- wpa_driver_nl80211_auth_alg_fallback(drv, params) < 0)
- ret = -1;
-
- if (!params->bssid &&
- wpa_driver_nl80211_set_bssid(drv, NULL) < 0)
- ret = -1;
-
- /* TODO: should consider getting wpa version and cipher/key_mgmt suites
- * from configuration, not from here, where only the selected suite is
- * available */
- if (wpa_driver_nl80211_set_gen_ie(drv, params->wpa_ie, params->wpa_ie_len)
- < 0)
- ret = -1;
- if (params->wpa_ie == NULL || params->wpa_ie_len == 0)
- value = IW_AUTH_WPA_VERSION_DISABLED;
- else if (params->wpa_ie[0] == WLAN_EID_RSN)
- value = IW_AUTH_WPA_VERSION_WPA2;
- else
- value = IW_AUTH_WPA_VERSION_WPA;
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_WPA_VERSION, value) < 0)
- ret = -1;
- value = wpa_driver_nl80211_cipher2wext(params->pairwise_suite);
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_CIPHER_PAIRWISE, value) < 0)
- ret = -1;
- value = wpa_driver_nl80211_cipher2wext(params->group_suite);
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_CIPHER_GROUP, value) < 0)
- ret = -1;
- value = wpa_driver_nl80211_keymgmt2wext(params->key_mgmt_suite);
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_KEY_MGMT, value) < 0)
- ret = -1;
- value = params->key_mgmt_suite != KEY_MGMT_NONE ||
- params->pairwise_suite != CIPHER_NONE ||
- params->group_suite != CIPHER_NONE ||
- params->wpa_ie_len;
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_PRIVACY_INVOKED, value) < 0)
- ret = -1;
-
- /* Allow unencrypted EAPOL messages even if pairwise keys are set when
- * not using WPA. IEEE 802.1X specifies that these frames are not
- * encrypted, but WPA encrypts them when pairwise keys are in use. */
- if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
- params->key_mgmt_suite == KEY_MGMT_PSK)
- allow_unencrypted_eapol = 0;
- else
- allow_unencrypted_eapol = 1;
-
- if (wpa_driver_nl80211_set_auth_param(drv,
- IW_AUTH_RX_UNENCRYPTED_EAPOL,
- allow_unencrypted_eapol) < 0)
- ret = -1;
- if (params->freq && wpa_driver_nl80211_set_freq(drv, params->freq) < 0)
- ret = -1;
- if (wpa_driver_nl80211_set_ssid(drv, params->ssid, params->ssid_len) < 0)
- ret = -1;
- if (params->bssid &&
- wpa_driver_nl80211_set_bssid(drv, params->bssid) < 0)
- ret = -1;
-
- return ret;
-}
-
-
-static int wpa_driver_nl80211_set_auth_alg(void *priv, int auth_alg)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- int algs = 0, res;
-
- if (drv->capa.flags & WPA_DRIVER_FLAGS_SME)
- return 0;
-
- if (auth_alg & AUTH_ALG_OPEN_SYSTEM)
- algs |= IW_AUTH_ALG_OPEN_SYSTEM;
- if (auth_alg & AUTH_ALG_SHARED_KEY)
- algs |= IW_AUTH_ALG_SHARED_KEY;
- if (auth_alg & AUTH_ALG_LEAP)
- algs |= IW_AUTH_ALG_LEAP;
- if (algs == 0) {
- /* at least one algorithm should be set */
- algs = IW_AUTH_ALG_OPEN_SYSTEM;
- }
-
- res = wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_80211_AUTH_ALG,
- algs);
- drv->auth_alg_fallback = res == -2;
- return res;
-}
-#endif /* WEXT_COMPAT */
-
-
-static int wpa_driver_nl80211_authenticate(
- void *priv, struct wpa_driver_auth_params *params)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- int ret = -1;
- struct nl_msg *msg;
- enum nl80211_auth_type type;
-
- drv->associated = 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)",
- drv->ifindex);
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_AUTHENTICATE, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- if (params->bssid) {
- wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
- MAC2STR(params->bssid));
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ if (params->bssid) {
+ wpa_printf(MSG_DEBUG, " * bssid=" MACSTR,
+ MAC2STR(params->bssid));
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid);
}
if (params->freq) {
wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
}
+#ifdef CONFIG_AP
+static int wpa_driver_nl80211_set_freq2(
+ struct wpa_driver_nl80211_data *drv,
+ struct wpa_driver_associate_params *params)
+{
+ 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_WIPHY, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+ /* TODO: proper channel configuration */
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, 2437);
+
+ if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
+ return 0;
+nla_put_failure:
+ return -1;
+}
+
+
+static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
+ struct wpa_driver_associate_params *params)
+{
+ if (wpa_driver_nl80211_set_mode(drv, params->mode) ||
+ wpa_driver_nl80211_set_freq2(drv, params))
+ return -1;
+
+ /* TODO: setup monitor interface (and add code somewhere to remove this
+ * when AP mode is stopped; associate with mode != 2 or drv_deinit) */
+ /* TODO: setup beacon */
+
+ return 0;
+}
+#endif /* CONFIG_AP */
+
+
static int wpa_driver_nl80211_associate(
void *priv, struct wpa_driver_associate_params *params)
{
int ret = -1;
struct nl_msg *msg;
-#ifdef WEXT_COMPAT
- if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
- return wpa_driver_nl80211_associate_wext(drv, params);
-#endif /* WEXT_COMPAT */
+#ifdef CONFIG_AP
+ if (params->mode == 2)
+ return wpa_driver_nl80211_ap(drv, params);
+#endif /* CONFIG_AP */
+
+ wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
+ params->drop_unencrypted);
drv->associated = 0;
params->ssid, params->ssid_len);
NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len,
params->ssid);
+ if (params->ssid_len > sizeof(drv->ssid))
+ goto nla_put_failure;
+ os_memcpy(drv->ssid, params->ssid, params->ssid_len);
+ drv->ssid_len = params->ssid_len;
}
wpa_hexdump(MSG_DEBUG, " * IEs", params->wpa_ie, params->wpa_ie_len);
if (params->wpa_ie)
/**
* wpa_driver_nl80211_set_mode - Set wireless mode (infra/adhoc), SIOCSIWMODE
- * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
+ * @drv: Pointer to private driver data from wpa_driver_nl80211_init()
* @mode: 0 = infra/BSS (associate with an AP), 1 = adhoc/IBSS
* Returns: 0 on success, -1 on failure
*/
-static int wpa_driver_nl80211_set_mode(void *priv, int mode)
+static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
+ int mode)
{
- struct wpa_driver_nl80211_data *drv = priv;
int ret = -1, flags;
struct nl_msg *msg;
+ int nlmode;
+
+ switch (mode) {
+ case 0:
+ nlmode = NL80211_IFTYPE_STATION;
+ break;
+ case 1:
+ nlmode = NL80211_IFTYPE_ADHOC;
+ break;
+ case 2:
+ nlmode = NL80211_IFTYPE_AP;
+ break;
+ default:
+ return -1;
+ }
msg = nlmsg_alloc();
if (!msg)
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, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE,
- mode ? NL80211_IFTYPE_ADHOC : NL80211_IFTYPE_STATION);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (!ret)
goto try_again;
nla_put_failure:
- wpa_printf(MSG_ERROR, "nl80211: Failed to set interface mode");
+ wpa_printf(MSG_ERROR, "nl80211: Failed to set interface mode: %d (%s)",
+ ret, strerror(-ret));
return -1;
try_again:
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, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE,
- mode ? NL80211_IFTYPE_ADHOC :
- NL80211_IFTYPE_STATION);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (ret) {
wpa_printf(MSG_ERROR, "Failed to set interface %s "
- "mode", drv->ifname);
+ "mode(try_again): %d (%s)",
+ drv->ifname, ret, strerror(-ret));
}
/* Ignore return value of get_ifflags to ensure that the device
}
-static int wpa_driver_nl80211_pmksa(struct wpa_driver_nl80211_data *drv,
- u32 cmd, const u8 *bssid, const u8 *pmkid)
-{
- struct iwreq iwr;
- struct iw_pmksa pmksa;
- int ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- os_memset(&pmksa, 0, sizeof(pmksa));
- pmksa.cmd = cmd;
- pmksa.bssid.sa_family = ARPHRD_ETHER;
- if (bssid)
- os_memcpy(pmksa.bssid.sa_data, bssid, ETH_ALEN);
- if (pmkid)
- os_memcpy(pmksa.pmkid, pmkid, IW_PMKID_LEN);
- iwr.u.data.pointer = (caddr_t) &pmksa;
- iwr.u.data.length = sizeof(pmksa);
-
- if (ioctl(drv->ioctl_sock, SIOCSIWPMKSA, &iwr) < 0) {
- if (errno != EOPNOTSUPP)
- perror("ioctl[SIOCSIWPMKSA]");
- ret = -1;
- }
-
- return ret;
-}
-
-
-static int wpa_driver_nl80211_add_pmkid(void *priv, const u8 *bssid,
- const u8 *pmkid)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- return wpa_driver_nl80211_pmksa(drv, IW_PMKSA_ADD, bssid, pmkid);
-}
-
-
-static int wpa_driver_nl80211_remove_pmkid(void *priv, const u8 *bssid,
- const u8 *pmkid)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- return wpa_driver_nl80211_pmksa(drv, IW_PMKSA_REMOVE, bssid, pmkid);
-}
-
-
-static int wpa_driver_nl80211_flush_pmkid(void *priv)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- return wpa_driver_nl80211_pmksa(drv, IW_PMKSA_FLUSH, NULL, NULL);
-}
-
-
static int wpa_driver_nl80211_get_capa(void *priv,
struct wpa_driver_capa *capa)
{
}
-#ifdef CONFIG_CLIENT_MLME
-static int wpa_driver_nl80211_open_mlme(struct wpa_driver_nl80211_data *drv)
-{
- if (wpa_driver_nl80211_set_userspace_mlme(drv, 1) < 0) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to enable userspace "
- "MLME");
- return -1;
- }
- if (wpa_driver_nl80211_create_monitor_interface(drv)) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to create monitor "
- "interface");
- return -1;
- }
- return 0;
-}
-#endif /* CONFIG_CLIENT_MLME */
-
-
-static int wpa_driver_nl80211_set_param(void *priv, const char *param)
-{
-#ifdef CONFIG_CLIENT_MLME
- struct wpa_driver_nl80211_data *drv = priv;
-
- if (param == NULL)
- return 0;
-
- wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
-
- if (os_strstr(param, "use_mlme=1")) {
- wpa_printf(MSG_DEBUG, "nl80211: Using user space MLME");
- drv->capa.flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
-
- if (wpa_driver_nl80211_open_mlme(drv))
- return -1;
- }
-#endif /* CONFIG_CLIENT_MLME */
-
- return 0;
-}
-
-
-#ifdef CONFIG_CLIENT_MLME
-
-struct phy_info_arg {
- u16 *num_modes;
- struct wpa_hw_modes *modes;
-};
-
-
-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 wpa_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 = os_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)];
- os_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 = os_zalloc(mode->num_channels *
- sizeof(struct wpa_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 |= WPA_CHAN_W_SCAN |
- WPA_CHAN_W_ACTIVE_SCAN |
- WPA_CHAN_W_IBSS;
-
- if (!mode_is_set) {
- /* crude heuristic */
- if (mode->channels[idx].freq < 4000)
- mode->mode = WPA_MODE_IEEE80211B;
- else
- mode->mode = WPA_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 &= ~WPA_CHAN_W_SCAN;
- if (tb_freq[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN])
- mode->channels[idx].flag &=
- ~WPA_CHAN_W_ACTIVE_SCAN;
- if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IBSS])
- mode->channels[idx].flag &= ~WPA_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 = os_zalloc(mode->num_rates *
- sizeof(struct wpa_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 == WPA_MODE_IEEE80211B &&
- mode->rates[idx].rate > 200)
- mode->mode = WPA_MODE_IEEE80211G;
-
- if (tb_rate[NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE])
- mode->rates[idx].flags |= WPA_RATE_PREAMBLE2;
-
- idx++;
- }
- }
-
- return NL_SKIP;
-}
-
-
-static struct wpa_hw_modes *
-wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- struct phy_info_arg result = {
- .num_modes = num_modes,
- .modes = NULL,
- };
-
- *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, drv->ifindex);
-
- if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0)
- return result.modes;
-nla_put_failure:
- return NULL;
-}
-
-
-static int wpa_driver_nl80211_set_channel(void *priv, wpa_hw_mode phymode,
- int chan, int freq)
-{
- return wpa_driver_nl80211_set_freq(priv, freq);
-}
-
-
-static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
- size_t data_len)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- __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 iovec iov[2] = {
- {
- .iov_base = &rtap_hdr,
- .iov_len = sizeof(rtap_hdr),
- },
- {
- .iov_base = (void *) data,
- .iov_len = data_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,
- };
-
- if (sendmsg(drv->monitor_sock, &msg, 0) < 0) {
- perror("send[MLME]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int wpa_driver_nl80211_mlme_add_sta(void *priv, const u8 *addr,
- const u8 *supp_rates,
- size_t supp_rates_len)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- 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, drv->ifindex);
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- /* TODO: Get proper Association ID and listen interval */
- NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, 1);
- NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, supp_rates_len,
- supp_rates);
- NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, 1);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- /* ignore EEXIST, this happens if a STA associates while associated */
- if (ret == -EEXIST || ret >= 0)
- ret = 0;
-
-nla_put_failure:
- return ret;
-}
-
-
-static int wpa_driver_nl80211_mlme_remove_sta(void *priv, const u8 *addr)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- int ret = -1;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- 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, drv->ifindex);
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
-
- ret = 0;
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- return ret;
-
-nla_put_failure:
- return -ENOBUFS;
-}
-
-#endif /* CONFIG_CLIENT_MLME */
-
-
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
.get_bssid = wpa_driver_nl80211_get_bssid,
.get_ssid = wpa_driver_nl80211_get_ssid,
.set_key = wpa_driver_nl80211_set_key,
- .set_drop_unencrypted = wpa_driver_nl80211_set_drop_unencrypted,
.scan2 = wpa_driver_nl80211_scan,
.get_scan_results2 = wpa_driver_nl80211_get_scan_results,
.deauthenticate = wpa_driver_nl80211_deauthenticate,
.disassociate = wpa_driver_nl80211_disassociate,
- .set_mode = wpa_driver_nl80211_set_mode,
.authenticate = wpa_driver_nl80211_authenticate,
.associate = wpa_driver_nl80211_associate,
.init = wpa_driver_nl80211_init,
.deinit = wpa_driver_nl80211_deinit,
- .set_param = wpa_driver_nl80211_set_param,
- .add_pmkid = wpa_driver_nl80211_add_pmkid,
- .remove_pmkid = wpa_driver_nl80211_remove_pmkid,
- .flush_pmkid = wpa_driver_nl80211_flush_pmkid,
.get_capa = wpa_driver_nl80211_get_capa,
.set_operstate = wpa_driver_nl80211_set_operstate,
.set_country = wpa_driver_nl80211_set_country,
-#ifdef CONFIG_CLIENT_MLME
- .get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
- .set_channel = wpa_driver_nl80211_set_channel,
- .set_ssid = wpa_driver_nl80211_set_ssid,
- .set_bssid = wpa_driver_nl80211_set_bssid,
- .send_mlme = wpa_driver_nl80211_send_mlme,
- .mlme_add_sta = wpa_driver_nl80211_mlme_add_sta,
- .mlme_remove_sta = wpa_driver_nl80211_mlme_remove_sta,
-#endif /* CONFIG_CLIENT_MLME */
-#ifdef WEXT_COMPAT
- .set_wpa = wpa_driver_nl80211_set_wpa,
- .set_countermeasures = wpa_driver_nl80211_set_countermeasures,
- .set_auth_alg = wpa_driver_nl80211_set_auth_alg,
-#endif /* WEXT_COMPAT */
};
projects / wpasupplicant / blobdiff