diff options
Diffstat (limited to 'hostapd')
| -rw-r--r-- | hostapd/ctrl_iface.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c index 9aba541..12978f7 100644 --- a/hostapd/ctrl_iface.c +++ b/hostapd/ctrl_iface.c @@ -1949,6 +1949,90 @@ static int hostapd_ctrl_get_fail(struct hostapd_data *hapd, #endif /* WPA_TRACE_BFD */ } + +static int hostapd_ctrl_reset_pn(struct hostapd_data *hapd, const char *cmd) +{ + struct sta_info *sta; + u8 addr[ETH_ALEN]; + u8 zero[WPA_TK_MAX_LEN]; + + os_memset(zero, 0, sizeof(zero)); + + if (hwaddr_aton(cmd, addr)) + return -1; + +#ifdef CONFIG_IEEE80211W + if (is_broadcast_ether_addr(addr) && os_strstr(cmd, "IGTK")) { + if (hapd->last_igtk_alg == WPA_ALG_NONE) + return -1; + + wpa_printf(MSG_INFO, "TESTING: Reset IPN for IGTK"); + + /* First, use a zero key to avoid any possible duplicate key + * avoidance in the driver. */ + if (hostapd_drv_set_key(hapd->conf->iface, hapd, + hapd->last_igtk_alg, + broadcast_ether_addr, + hapd->last_igtk_key_idx, 1, NULL, 0, + zero, hapd->last_igtk_len) < 0) + return -1; + + /* Set the previously configured key to reset its TSC */ + return hostapd_drv_set_key(hapd->conf->iface, hapd, + hapd->last_igtk_alg, + broadcast_ether_addr, + hapd->last_igtk_key_idx, 1, NULL, 0, + hapd->last_igtk, + hapd->last_igtk_len); + } +#endif /* CONFIG_IEEE80211W */ + + if (is_broadcast_ether_addr(addr)) { + if (hapd->last_gtk_alg == WPA_ALG_NONE) + return -1; + + wpa_printf(MSG_INFO, "TESTING: Reset PN for GTK"); + + /* First, use a zero key to avoid any possible duplicate key + * avoidance in the driver. */ + if (hostapd_drv_set_key(hapd->conf->iface, hapd, + hapd->last_gtk_alg, + broadcast_ether_addr, + hapd->last_gtk_key_idx, 1, NULL, 0, + zero, hapd->last_gtk_len) < 0) + return -1; + + /* Set the previously configured key to reset its TSC */ + return hostapd_drv_set_key(hapd->conf->iface, hapd, + hapd->last_gtk_alg, + broadcast_ether_addr, + hapd->last_gtk_key_idx, 1, NULL, 0, + hapd->last_gtk, hapd->last_gtk_len); + } + + sta = ap_get_sta(hapd, addr); + if (!sta) + return -1; + + if (sta->last_tk_alg == WPA_ALG_NONE) + return -1; + + wpa_printf(MSG_INFO, "TESTING: Reset PN for " MACSTR, + MAC2STR(sta->addr)); + + /* First, use a zero key to avoid any possible duplicate key avoidance + * in the driver. */ + if (hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg, + sta->addr, sta->last_tk_key_idx, 1, NULL, 0, + zero, sta->last_tk_len) < 0) + return -1; + + /* Set the previously configured key to reset its TSC/RSC */ + return hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg, + sta->addr, sta->last_tk_key_idx, 1, NULL, 0, + sta->last_tk, sta->last_tk_len); +} + #endif /* CONFIG_TESTING_OPTIONS */ @@ -2665,6 +2749,9 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd, reply_len = -1; } else if (os_strcmp(buf, "GET_FAIL") == 0) { reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size); + } else if (os_strncmp(buf, "RESET_PN ", 9) == 0) { + if (hostapd_ctrl_reset_pn(hapd, buf + 9) < 0) + reply_len = -1; #endif /* CONFIG_TESTING_OPTIONS */ } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) { if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12)) |