5f7ae5e61c
Very basic support for OpenBSD. No support for scanning yet, so this needs ap_scan=0 and expects that the user has configured the interface manually using ifconfig(8). Signed-hostap: Mark Kettenis <kettenis@openbsd.org>
136 lines
3 KiB
C
136 lines
3 KiB
C
/*
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* Driver interaction with OpenBSD net80211 layer
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* Copyright (c) 2013, Mark Kettenis
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net80211/ieee80211.h>
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#include <net80211/ieee80211_crypto.h>
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#include <net80211/ieee80211_ioctl.h>
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#include "common.h"
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#include "driver.h"
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struct openbsd_driver_data {
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char ifname[IFNAMSIZ + 1];
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void *ctx;
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int sock; /* open socket for 802.11 ioctls */
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};
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static int
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wpa_driver_openbsd_get_ssid(void *priv, u8 *ssid)
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{
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struct openbsd_driver_data *drv = priv;
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struct ieee80211_nwid nwid;
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struct ifreq ifr;
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os_memset(&ifr, 0, sizeof(ifr));
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os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
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ifr.ifr_data = (void *)&nwid;
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if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 ||
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nwid.i_len > IEEE80211_NWID_LEN)
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return -1;
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os_memcpy(ssid, nwid.i_nwid, nwid.i_len);
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return nwid.i_len;
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}
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static int
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wpa_driver_openbsd_get_bssid(void *priv, u8 *bssid)
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{
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struct openbsd_driver_data *drv = priv;
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struct ieee80211_bssid id;
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os_strlcpy(id.i_name, drv->ifname, sizeof(id.i_name));
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if (ioctl(drv->sock, SIOCG80211BSSID, &id) < 0)
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return -1;
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os_memcpy(bssid, id.i_bssid, IEEE80211_ADDR_LEN);
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return 0;
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}
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static int
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wpa_driver_openbsd_get_capa(void *priv, struct wpa_driver_capa *capa)
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{
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os_memset(capa, 0, sizeof(*capa));
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capa->flags = WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
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return 0;
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}
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static int
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wpa_driver_openbsd_set_key(const char *ifname, void *priv, enum wpa_alg alg,
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const unsigned char *addr, int key_idx, int set_tx, const u8 *seq,
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size_t seq_len, const u8 *key, size_t key_len)
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{
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struct openbsd_driver_data *drv = priv;
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struct ieee80211_keyavail keyavail;
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if (alg != WPA_ALG_PMK || key_len > IEEE80211_PMK_LEN)
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return -1;
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memset(&keyavail, 0, sizeof(keyavail));
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os_strlcpy(keyavail.i_name, drv->ifname, sizeof(keyavail.i_name));
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if (wpa_driver_openbsd_get_bssid(priv, keyavail.i_macaddr) < 0)
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return -1;
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memcpy(keyavail.i_key, key, key_len);
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if (ioctl(drv->sock, SIOCS80211KEYAVAIL, &keyavail) < 0)
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return -1;
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return 0;
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}
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static void *
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wpa_driver_openbsd_init(void *ctx, const char *ifname)
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{
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struct openbsd_driver_data *drv;
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drv = os_zalloc(sizeof(*drv));
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if (drv == NULL)
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return NULL;
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drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
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if (drv->sock < 0)
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goto fail;
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drv->ctx = ctx;
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os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
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return drv;
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fail:
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os_free(drv);
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return NULL;
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}
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static void
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wpa_driver_openbsd_deinit(void *priv)
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{
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struct openbsd_driver_data *drv = priv;
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close(drv->sock);
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os_free(drv);
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}
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const struct wpa_driver_ops wpa_driver_openbsd_ops = {
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.name = "openbsd",
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.desc = "OpenBSD 802.11 support",
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.get_ssid = wpa_driver_openbsd_get_ssid,
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.get_bssid = wpa_driver_openbsd_get_bssid,
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.get_capa = wpa_driver_openbsd_get_capa,
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.set_key = wpa_driver_openbsd_set_key,
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.init = wpa_driver_openbsd_init,
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.deinit = wpa_driver_openbsd_deinit,
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};
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