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WNM: Make ESS Disassoc Imminent event more convenient to use 

Define a proper event prefix and include additional information to allow
ESS Dissassociation Imminent event to be used in a wpa_cli action
script.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-04-20 16:48:10 -07:00 committed by Jouni Malinen
parent 6df634faf9
commit ae8535b6e1
5 changed files with 34 additions and 3 deletions
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3
src/common/wpa_ctrl.h
View File

@ -132,6 +132,9 @@ extern "C" {
#define P2P_EVENT_INVITATION_RESULT "P2P-INVITATION-RESULT "
#define P2P_EVENT_FIND_STOPPED "P2P-FIND-STOPPED "
/* parameters: <PMF enabled> <timeout in ms> <Session Information URL> */
#define ESS_DISASSOC_IMMINENT "ESS-DISASSOC-IMMINENT "
#define INTERWORKING_AP "INTERWORKING-AP "
#define INTERWORKING_NO_MATCH "INTERWORKING-NO-MATCH "

15
src/rsn_supp/wpa.c
View File

@ -2412,6 +2412,21 @@ int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
}
int wpa_sm_pmf_enabled(struct wpa_sm *sm)
{
struct wpa_ie_data rsn;
if (sm->mfp == NO_MGMT_FRAME_PROTECTION || !sm->ap_rsn_ie)
return 0;
if (wpa_parse_wpa_ie_rsn(sm->ap_rsn_ie, sm->ap_rsn_ie_len, &rsn) >= 0 &&
rsn.capabilities & (WPA_CAPABILITY_MFPR | WPA_CAPABILITY_MFPC))
return 1;
return 0;
}
/**
* wpa_sm_set_assoc_wpa_ie_default - Generate own WPA/RSN IE from configuration
* @sm: Pointer to WPA state machine data from wpa_sm_init()

1
src/rsn_supp/wpa.h
View File

@ -123,6 +123,7 @@ unsigned int wpa_sm_get_param(struct wpa_sm *sm,
int wpa_sm_get_status(struct wpa_sm *sm, char *buf, size_t buflen,
int verbose);
int wpa_sm_pmf_enabled(struct wpa_sm *sm);
void wpa_sm_key_request(struct wpa_sm *sm, int error, int pairwise);

16
wpa_supplicant/wnm_sta.c
View File

@ -1,6 +1,6 @@
/*
* wpa_supplicant - WNM
* Copyright (c) 2011-2012, Qualcomm Atheros, Inc.
* Copyright (c) 2011-2013, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -10,6 +10,7 @@
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "common/wpa_ctrl.h"
#include "rsn_supp/wpa.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
@ -615,6 +616,8 @@ static void ieee802_11_rx_bss_trans_mgmt_req(struct wpa_supplicant *wpa_s,
if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT) {
char url[256];
unsigned int beacon_int;
if (pos + 1 > end || pos + 1 + pos[0] > end) {
wpa_printf(MSG_DEBUG, "WNM: Invalid BSS Transition "
"Management Request (URL)");
@ -623,8 +626,15 @@ static void ieee802_11_rx_bss_trans_mgmt_req(struct wpa_supplicant *wpa_s,
os_memcpy(url, pos + 1, pos[0]);
url[pos[0]] = '\0';
pos += 1 + pos[0];
wpa_msg(wpa_s, MSG_INFO, "WNM: ESS Disassociation Imminent - "
"session_info_url=%s", url);
if (wpa_s->current_bss)
beacon_int = wpa_s->current_bss->beacon_int;
else
beacon_int = 100; /* best guess */
wpa_msg(wpa_s, MSG_INFO, ESS_DISASSOC_IMMINENT "%d %u %s",
wpa_sm_pmf_enabled(wpa_s->wpa),
wpa_s->wnm_dissoc_timer * beacon_int * 128 / 125, url);
}
if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT) {

2
wpa_supplicant/wpa_cli.c
View File

@ -3036,6 +3036,8 @@ static void wpa_cli_action_process(const char *msg)
wpa_cli_exec(action_file, ctrl_ifname, pos);
} else if (str_match(pos, AP_STA_DISCONNECTED)) {
wpa_cli_exec(action_file, ctrl_ifname, pos);
} else if (str_match(pos, ESS_DISASSOC_IMMINENT)) {
wpa_cli_exec(action_file, ctrl_ifname, pos);
} else if (str_match(pos, WPA_EVENT_TERMINATING)) {
printf("wpa_supplicant is terminating - stop monitoring\n");
wpa_cli_quit = 1;