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Fixed EAP-TTLS server to verify eap_ttls_phase2_eap_init() return code

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It is possible that the initialization of the Phase 2 EAP method fails and
if that happens, we need to stop EAP-TTLS server from trying to continue
using the uninitialized EAP method. Otherwise, the server could trigger
a segmentation fault when dereferencing a NULL pointer.
This commit is contained in:
Jouni Malinen 2008-10-01 13:55:04 +03:00 committed by Jouni Malinen
parent fc0db5c916
commit 510c02d4a3
1 changed files with 12 additions and 2 deletions
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14
src/eap_server/eap_ttls.c
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@ -991,7 +991,13 @@ static void eap_ttls_process_phase2_eap_response(struct eap_sm *sm,
sm->user_eap_method_index++].method;
wpa_printf(MSG_DEBUG, "EAP-TTLS: try EAP type %d",
next_type);
eap_ttls_phase2_eap_init(sm, data, next_type);
if (eap_ttls_phase2_eap_init(sm, data, next_type)) {
wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to "
"initialize EAP type %d",
next_type);
eap_ttls_state(data, FAILURE);
return;
}
} else {
eap_ttls_state(data, FAILURE);
}
@ -1061,7 +1067,11 @@ static void eap_ttls_process_phase2_eap_response(struct eap_sm *sm,
break;
}
eap_ttls_phase2_eap_init(sm, data, next_type);
if (eap_ttls_phase2_eap_init(sm, data, next_type)) {
wpa_printf(MSG_DEBUG, "EAP-TTLS: Failed to initialize EAP "
"type %d", next_type);
eap_ttls_state(data, FAILURE);
}
}