diff options
Diffstat (limited to 'usr.sbin/wpa/wpa_supplicant')
-rw-r--r-- | usr.sbin/wpa/wpa_supplicant/Packet32.c | 4 | ||||
-rw-r--r-- | usr.sbin/wpa/wpa_supplicant/driver_freebsd.c | 146 | ||||
-rw-r--r-- | usr.sbin/wpa/wpa_supplicant/driver_wired.c | 185 |
3 files changed, 314 insertions, 21 deletions
diff --git a/usr.sbin/wpa/wpa_supplicant/Packet32.c b/usr.sbin/wpa/wpa_supplicant/Packet32.c index 7346395..f8a90b3 100644 --- a/usr.sbin/wpa/wpa_supplicant/Packet32.c +++ b/usr.sbin/wpa/wpa_supplicant/Packet32.c @@ -286,7 +286,7 @@ PacketGetAdapterNames(namelist, len) ifm = (struct if_msghdr *)next; if (ifm->ifm_type == RTM_IFINFO) { sdl = (struct sockaddr_dl *)(ifm + 1); - if (strnstr(sdl->sdl_data, "ndis", sdl->sdl_nlen)) { + if (strnstr(sdl->sdl_data, "wlan", sdl->sdl_nlen)) { if ((spc + sdl->sdl_nlen) > *len) { free(buf); return(FALSE); @@ -319,7 +319,7 @@ PacketGetAdapterNames(namelist, len) ifm = (struct if_msghdr *)next; if (ifm->ifm_type == RTM_IFINFO) { sdl = (struct sockaddr_dl *)(ifm + 1); - if (strnstr(sdl->sdl_data, "ndis", sdl->sdl_nlen)) { + if (strnstr(sdl->sdl_data, "wlan", sdl->sdl_nlen)) { if ((spc + sdl->sdl_nlen) > *len) { free(buf); return(FALSE); diff --git a/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c b/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c index 7769a8e..9cc5cc9 100644 --- a/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c +++ b/usr.sbin/wpa/wpa_supplicant/driver_freebsd.c @@ -32,8 +32,6 @@ #include <net/if.h> #include <net/ethernet.h> -#include <net80211/ieee80211.h> -#include <net80211/ieee80211_crypto.h> #include <net80211/ieee80211_ioctl.h> struct wpa_driver_bsd_data { @@ -45,6 +43,11 @@ struct wpa_driver_bsd_data { int prev_roaming; /* roaming state to restore on deinit */ int prev_privacy; /* privacy state to restore on deinit */ int prev_wpa; /* wpa state to restore on deinit */ + int prev_scanvalid; /* scan valid to restore on deinit */ + uint8_t lastssid[IEEE80211_NWID_LEN]; + int lastssid_len; + uint32_t drivercaps; /* general driver capabilities */ + uint32_t cryptocaps; /* hardware crypto support */ }; static int @@ -131,7 +134,7 @@ getifflags(struct wpa_driver_bsd_data *drv, int *flags) perror("SIOCGIFFLAGS"); return errno; } - *flags = ifr.ifr_flags & 0xffff; + *flags = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16); return 0; } @@ -143,6 +146,7 @@ setifflags(struct wpa_driver_bsd_data *drv, int flags) memset(&ifr, 0, sizeof(ifr)); strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name)); ifr.ifr_flags = flags & 0xffff; + ifr.ifr_flagshigh = flags >> 16; if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) { perror("SIOCSIFFLAGS"); return errno; @@ -192,7 +196,21 @@ static int wpa_driver_bsd_set_wpa_ie(struct wpa_driver_bsd_data *drv, const char *wpa_ie, size_t wpa_ie_len) { - return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); + struct ieee80211req ireq; + + memset(&ireq, 0, sizeof(ireq)); + strncpy(ireq.i_name, drv->ifname, IFNAMSIZ); + ireq.i_type = IEEE80211_IOC_APPIE; + ireq.i_val = IEEE80211_APPIE_WPA; + ireq.i_len = wpa_ie_len; + ireq.i_data = (void *) wpa_ie; + if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { + fprintf(stderr, + "ioctl[IEEE80211_IOC_APPIE:IEEE80211_APPIE_WPA]: %s\n", + strerror(errno)); + return -1; + } + return 0; } static int @@ -281,9 +299,9 @@ wpa_driver_bsd_set_key(void *priv, wpa_alg alg, memcpy(&ea, addr, IEEE80211_ADDR_LEN); wpa_printf(MSG_DEBUG, - "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu", - __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx, - seq_len, key_len); + "%s: alg=%s addr=%s key_idx=%d set_tx=%d seq_len=%zu key_len=%zu", + __func__, alg_name, ether_ntoa(&ea), key_idx, set_tx, + seq_len, key_len); if (seq_len > sizeof(u_int64_t)) { wpa_printf(MSG_DEBUG, "%s: seq_len %zu too big", @@ -348,6 +366,8 @@ wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_mlme mlme; + drv->lastssid_len = 0; + wpa_printf(MSG_DEBUG, "%s", __func__); memset(&mlme, 0, sizeof(mlme)); mlme.im_op = IEEE80211_MLME_DEAUTH; @@ -362,6 +382,8 @@ wpa_driver_bsd_disassociate(void *priv, const u8 *addr, int reason_code) struct wpa_driver_bsd_data *drv = priv; struct ieee80211req_mlme mlme; + drv->lastssid_len = 0; + wpa_printf(MSG_DEBUG, "%s", __func__); memset(&mlme, 0, sizeof(mlme)); mlme.im_op = IEEE80211_MLME_DISASSOC; @@ -414,6 +436,8 @@ wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) return -1; + memcpy(drv->lastssid, params->ssid, params->ssid_len); + drv->lastssid_len = params->ssid_len; return 0; } @@ -441,18 +465,53 @@ static int wpa_driver_bsd_scan(void *priv, const u8 *ssid, size_t ssid_len) { struct wpa_driver_bsd_data *drv = priv; + struct ieee80211_scan_req sr; int flags; + /* XXX not true but easiest to perpetuate the myth */ /* NB: interface must be marked UP to do a scan */ - if (getifflags(drv, &flags) != 0 || setifflags(drv, flags | IFF_UP) != 0) + if (getifflags(drv, &flags) != 0) { + wpa_printf(MSG_DEBUG, "%s did not mark interface UP", __func__); return -1; - - /* set desired ssid before scan */ - if (wpa_driver_bsd_set_ssid(drv, ssid, ssid_len) < 0) + } + if ((flags & IFF_UP) == 0 && setifflags(drv, flags | IFF_UP) != 0) { + wpa_printf(MSG_DEBUG, "%s unable to mark interface UP", + __func__); return -1; + } + + memset(&sr, 0, sizeof(sr)); + sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE + | IEEE80211_IOC_SCAN_ONCE + | IEEE80211_IOC_SCAN_NOJOIN + ; + sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; + if (ssid_len != 0) { + /* XXX ssid_len must be <= IEEE80211_NWID_LEN */ + memcpy(sr.sr_ssid[sr.sr_nssid].ssid, ssid, ssid_len); + sr.sr_ssid[sr.sr_nssid].len = ssid_len; + sr.sr_nssid++; + } + if (drv->lastssid_len != 0 && + (drv->lastssid_len != ssid_len || + memcmp(drv->lastssid, ssid, ssid_len) != 0)) { + /* + * If we are scanning because we received a deauth + * and the scan cache is warm then we'll find the + * ap there and short circuit a full-blown scan. + */ + memcpy(sr.sr_ssid[sr.sr_nssid].ssid, drv->lastssid, + drv->lastssid_len); + sr.sr_ssid[sr.sr_nssid].len = drv->lastssid_len; + sr.sr_nssid++; + /* NB: clear so we don't retry w/o associating first */ + drv->lastssid_len = 0; + } + if (sr.sr_nssid != 0) /* NB: check scan cache first */ + sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; /* NB: net80211 delivers a scan complete event so no need to poll */ - return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); + return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); } #include <net/route.h> @@ -681,12 +740,33 @@ wpa_driver_bsd_get_scan_results(void *priv, #undef min } +#define GETPARAM(drv, param, v) \ + (((v) = get80211param(drv, param)) != -1) +#define IEEE80211_C_BGSCAN 0x20000000 + +/* + * Set the scan cache valid threshold to 1.5 x bg scan interval + * to force all scan requests to consult the cache unless they + * explicitly bypass it. + */ +static int +setscanvalid(struct wpa_driver_bsd_data *drv) +{ + int bgscan, scanvalid; + + if (!GETPARAM(drv, IEEE80211_IOC_SCANVALID, drv->prev_scanvalid) || + !GETPARAM(drv, IEEE80211_IOC_BGSCAN_INTERVAL, bgscan)) + return -1; + scanvalid = 3*bgscan/2; + return (drv->prev_scanvalid < scanvalid) ? + set80211param(drv, IEEE80211_IOC_SCANVALID, scanvalid) : 0; +} + static void * wpa_driver_bsd_init(void *ctx, const char *ifname) { -#define GETPARAM(drv, param, v) \ - (((v) = get80211param(drv, param)) != -1) struct wpa_driver_bsd_data *drv; + struct ieee80211_devcaps_req devcaps; int flags; drv = malloc(sizeof(*drv)); @@ -725,6 +805,15 @@ wpa_driver_bsd_init(void *ctx, const char *ifname) eloop_register_read_sock(drv->route, wpa_driver_bsd_event_receive, ctx, drv); + if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, sizeof(devcaps)) < 0) { + wpa_printf(MSG_DEBUG, + "%s: failed to get device capabilities: %s", + __func__, strerror(errno)); + goto fail; + } + drv->drivercaps = devcaps.dc_drivercaps; + drv->cryptocaps = devcaps.dc_cryptocaps; + if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", __func__, strerror(errno)); @@ -745,7 +834,18 @@ wpa_driver_bsd_init(void *ctx, const char *ifname) "roaming: %s", __func__, strerror(errno)); goto fail; } - + if (drv->drivercaps & IEEE80211_C_BGSCAN) { + /* + * Driver does background scanning; force the scan valid + * setting to 1.5 x bg scan interval so the scan cache is + * always consulted before we force a foreground scan. + */ + if (setscanvalid(drv) < 0) { + wpa_printf(MSG_DEBUG, + "%s: warning, failed to set scanvalid, scanning " + "may be suboptimal: %s", __func__, strerror(errno)); + } + } if (set80211param(drv, IEEE80211_IOC_WPA, 1+2) < 0) { wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support %s", __func__, strerror(errno)); @@ -758,8 +858,8 @@ fail: fail1: free(drv); return NULL; -#undef GETPARAM } +#undef GETPARAM static void wpa_driver_bsd_deinit(void *priv) @@ -772,9 +872,17 @@ wpa_driver_bsd_deinit(void *priv) (void) setifflags(drv, flags &~ IFF_UP); wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); - if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) - wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", - __func__); + if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) { + /* NB: don't whinge if device ejected or equivalent */ + if (errno != ENXIO) + wpa_printf(MSG_DEBUG, "%s: failed to restore roaming " + "state", __func__); + } + if (drv->drivercaps & IEEE80211_C_BGSCAN) { + /* XXX check return value */ + (void) set80211param(drv, IEEE80211_IOC_SCANVALID, + drv->prev_scanvalid); + } (void) close(drv->route); /* ioctl socket */ (void) close(drv->sock); /* event socket */ diff --git a/usr.sbin/wpa/wpa_supplicant/driver_wired.c b/usr.sbin/wpa/wpa_supplicant/driver_wired.c new file mode 100644 index 0000000..819ad8b --- /dev/null +++ b/usr.sbin/wpa/wpa_supplicant/driver_wired.c @@ -0,0 +1,185 @@ +/* + * WPA Supplicant - wired Ethernet driver interface + * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi> + * + * 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. + * + * $FreeBSD$ + */ + +#include "includes.h" +#include <sys/ioctl.h> +#include <net/if.h> +#include <net/if_dl.h> + +#include "common.h" +#include "driver.h" +#include "wpa_supplicant.h" + +static const u8 pae_group_addr[ETH_ALEN] = +{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 }; + +struct wpa_driver_wired_data { + int sock; + char ifname[IFNAMSIZ + 1]; + int multi; + int flags; + void *ctx; +}; + +static int +getifflags(struct wpa_driver_wired_data *drv, int *flags) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name)); + if (ioctl(drv->sock, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) { + perror("SIOCGIFFLAGS"); + return errno; + } + *flags = (ifr.ifr_flags & 0xffff) | (ifr.ifr_flagshigh << 16); + return 0; +} + +static int +setifflags(struct wpa_driver_wired_data *drv, int flags) +{ + struct ifreq ifr; + + memset(&ifr, 0, sizeof(ifr)); + strncpy(ifr.ifr_name, drv->ifname, sizeof (ifr.ifr_name)); + ifr.ifr_flags = flags & 0xffff; + ifr.ifr_flagshigh = flags >> 16; + if (ioctl(drv->sock, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) { + perror("SIOCSIFFLAGS"); + return errno; + } + return 0; +} + +static int +wpa_driver_wired_get_ssid(void *priv, u8 *ssid) +{ + ssid[0] = 0; + return 0; +} + +static int +wpa_driver_wired_get_bssid(void *priv, u8 *bssid) +{ + /* Report PAE group address as the "BSSID" for wired connection. */ + os_memcpy(bssid, pae_group_addr, ETH_ALEN); + return 0; +} + +static int +siocmulti(struct wpa_driver_wired_data *drv, int op, const u8 *addr) +{ + struct ifreq ifr; + struct sockaddr_dl *dlp; + + os_memset(&ifr, 0, sizeof(ifr)); + os_strncpy(ifr.ifr_name, drv->ifname, IFNAMSIZ); + dlp = (struct sockaddr_dl *) &ifr.ifr_addr; + dlp->sdl_len = sizeof(struct sockaddr_dl); + dlp->sdl_family = AF_LINK; + dlp->sdl_index = 0; + dlp->sdl_nlen = 0; + dlp->sdl_alen = ETH_ALEN; + dlp->sdl_slen = 0; + os_memcpy(LLADDR(dlp), addr, ETH_ALEN); + if (ioctl(drv->sock, op, (caddr_t) &ifr) < 0) { + wpa_printf(MSG_INFO, "ioctl[%s]: %s", op == SIOCADDMULTI ? + "SIOCADDMULTI" : "SIOCDELMULTI", strerror(errno)); + return -1; + } + return 0; +} + +static void * +wpa_driver_wired_init(void *ctx, const char *ifname) +{ + struct wpa_driver_wired_data *drv; + int flags; + + drv = os_zalloc(sizeof(*drv)); + if (drv == NULL) + return NULL; + os_strncpy(drv->ifname, ifname, sizeof(drv->ifname)); + drv->sock = socket(PF_INET, SOCK_DGRAM, 0); + if (drv->sock < 0) + goto fail1; + drv->ctx = ctx; + + if (getifflags(drv, &drv->flags) < 0) { + wpa_printf(MSG_INFO, "%s: Unable to get interface flags", + __func__); + goto fail; + } + flags = drv->flags | IFF_UP; /* NB: force interface up */ + + /* + * Arrange to receive PAE mcast frames. Try to add an + * explicit mcast address. If that fails, fallback to + * the all multicast mechanism. + */ + if (siocmulti(drv, SIOCADDMULTI, pae_group_addr) == 0) { + wpa_printf(MSG_DEBUG, "%s: Added PAE multicast address", + __func__); + drv->multi = 1; + } else if ((drv->flags & IFF_ALLMULTI) == 0) + flags |= IFF_ALLMULTI; + + if (flags != drv->flags) { + if (setifflags(drv, flags) < 0) { + wpa_printf(MSG_INFO, "%s: Failed to set interface flags", + __func__); + goto fail; + } + if ((flags ^ drv->flags) & IFF_ALLMULTI) + wpa_printf(MSG_DEBUG, "%s: Enabled all-multi mode", + __func__); + } + return drv; +fail: + close(drv->sock); +fail1: + free(drv); + return NULL; +} + +static void +wpa_driver_wired_deinit(void *priv) +{ + struct wpa_driver_wired_data *drv = priv; + + if (drv->multi) { + if (siocmulti(drv, SIOCDELMULTI, pae_group_addr) < 0) { + wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE " + "multicast " "group (SIOCDELMULTI)", __func__); + } + } + if (setifflags(drv, drv->flags) < 0) { + wpa_printf(MSG_INFO, "%s: Failed to restore interface flags", + __func__); + } + (void) close(drv->sock); + os_free(drv); +} + +const struct wpa_driver_ops wpa_driver_wired_ops = { + .name = "wired", + .desc = "BSD wired Ethernet driver", + .get_ssid = wpa_driver_wired_get_ssid, + .get_bssid = wpa_driver_wired_get_bssid, + .init = wpa_driver_wired_init, + .deinit = wpa_driver_wired_deinit, +}; |