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BSD: Use correct ifindex from route messages

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Use the interface index from the correct structure according to the
message instead of assuming rtm_index is correct.

Signed-off-by: Roy Marples <roy@marples.name>
This commit is contained in:
Roy Marples 2016-01-19 16:36:45 +00:00 committed by Jouni Malinen
parent 5f17b2c60e
commit dc0ad60314
1 changed files with 25 additions and 16 deletions
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41
src/drivers/driver_bsd.c
View file

@ -773,12 +773,12 @@ bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx)
rtm->rtm_version);
return;
}
drv = bsd_get_drvindex(global, rtm->rtm_index);
if (drv == NULL)
return;
switch (rtm->rtm_type) {
case RTM_IEEE80211:
ifan = (struct if_announcemsghdr *) rtm;
drv = bsd_get_drvindex(global, ifan->ifan_index);
if (drv == NULL)
return;
switch (ifan->ifan_what) {
case RTM_IEEE80211_ASSOC:
case RTM_IEEE80211_REASSOC:
@ -1189,6 +1189,7 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
struct bsd_driver_global *global = sock_ctx;
struct bsd_driver_data *drv;
struct if_announcemsghdr *ifan;
struct if_msghdr *ifm;
struct rt_msghdr *rtm;
union wpa_event_data event;
struct ieee80211_michael_event *mic;
@ -1210,14 +1211,13 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
rtm->rtm_version);
return;
}
drv = bsd_get_drvindex(global, rtm->rtm_index);
if (drv == NULL)
return;
ctx = drv->ctx;
os_memset(&event, 0, sizeof(event));
switch (rtm->rtm_type) {
case RTM_IFANNOUNCE:
ifan = (struct if_announcemsghdr *) rtm;
drv = bsd_get_drvindex(global, ifan->ifan_index);
if (drv == NULL)
return;
os_strlcpy(event.interface_status.ifname, drv->ifname,
sizeof(event.interface_status.ifname));
switch (ifan->ifan_what) {
@ -1230,37 +1230,41 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
event.interface_status.ifname,
ifan->ifan_what == IFAN_DEPARTURE ?
"removed" : "added");
wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
break;
case RTM_IEEE80211:
ifan = (struct if_announcemsghdr *) rtm;
drv = bsd_get_drvindex(global, ifan->ifan_index);
if (drv == NULL)
return;
switch (ifan->ifan_what) {
case RTM_IEEE80211_ASSOC:
case RTM_IEEE80211_REASSOC:
if (drv->is_ap)
break;
wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
break;
case RTM_IEEE80211_DISASSOC:
if (drv->is_ap)
break;
wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL);
wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
break;
case RTM_IEEE80211_SCAN:
if (drv->is_ap)
break;
wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS,
NULL);
break;
case RTM_IEEE80211_LEAVE:
leave = (struct ieee80211_leave_event *) &ifan[1];
drv_event_disassoc(ctx, leave->iev_addr);
drv_event_disassoc(drv->ctx, leave->iev_addr);
break;
case RTM_IEEE80211_JOIN:
#ifdef RTM_IEEE80211_REJOIN
case RTM_IEEE80211_REJOIN:
#endif
join = (struct ieee80211_join_event *) &ifan[1];
bsd_new_sta(drv, ctx, join->iev_addr);
bsd_new_sta(drv, drv->ctx, join->iev_addr);
break;
case RTM_IEEE80211_REPLAY:
/* ignore */
@ -1275,19 +1279,24 @@ wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx)
os_memset(&event, 0, sizeof(event));
event.michael_mic_failure.unicast =
!IEEE80211_IS_MULTICAST(mic->iev_dst);
wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE,
&event);
wpa_supplicant_event(drv->ctx,
EVENT_MICHAEL_MIC_FAILURE, &event);
break;
}
break;
case RTM_IFINFO:
ifm = (struct if_msghdr *) rtm;
drv = bsd_get_drvindex(global, ifm->ifm_index);
if (drv == NULL)
return;
if ((rtm->rtm_flags & RTF_UP) == 0) {
os_strlcpy(event.interface_status.ifname, drv->ifname,
sizeof(event.interface_status.ifname));
event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN",
event.interface_status.ifname);
wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS,
&event);
}
break;
}