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eap: Add eap event_func

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This is used to get arbitrary information out of the EAP method.  Needed
for EAP-WSC to signal credential information obtained from the peer.

Other uses include signaling why EAP-WSC failed (e.g. invalid PIN, etc)
and processing of M2D discovery messages.  The information in M2Ds might
be useful to external clients.
This commit is contained in:
Denis Kenzior 2016-09-12 15:26:03 -05:00
parent fb446dcb9f
commit 1b72fe9713
2 changed files with 19 additions and 0 deletions
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14
src/eap.c
View File

@ -37,6 +37,7 @@ struct eap_state {
eap_tx_packet_func_t tx_packet;
eap_key_material_func_t set_key_material;
eap_complete_func_t complete;
eap_event_func_t event_func;
void *user_data;
size_t mtu;
@ -77,6 +78,11 @@ void eap_set_key_material_func(struct eap_state *eap,
eap->set_key_material = func;
}
void eap_set_event_func(struct eap_state *eap, eap_event_func_t func)
{
eap->event_func = func;
}
void eap_free(struct eap_state *eap)
{
if (eap->method_state)
@ -410,6 +416,14 @@ void eap_set_key_material(struct eap_state *eap,
iv, iv_len, eap->user_data);
}
void eap_method_event(struct eap_state *eap, unsigned int id, const void *data)
{
if (!eap->event_func)
return;
eap->event_func(id, data, eap->user_data);
}
void eap_method_success(struct eap_state *eap)
{
eap->method_success = true;

5
src/eap.h
View File

@ -40,6 +40,8 @@ typedef void (*eap_key_material_func_t)(const uint8_t *msk_data, size_t msk_len,
const uint8_t *iv, size_t iv_len,
void *user_data);
typedef void (*eap_complete_func_t)(enum eap_result result, void *user_data);
typedef void (*eap_event_func_t)(unsigned int event, const void *event_data,
void *user_data);
struct eap_state *eap_new(eap_tx_packet_func_t tx_packet,
eap_complete_func_t complete, void *user_data);
@ -50,6 +52,7 @@ bool eap_load_settings(struct eap_state *eap, struct l_settings *settings,
void eap_set_key_material_func(struct eap_state *eap,
eap_key_material_func_t func);
void eap_set_event_func(struct eap_state *eap, eap_event_func_t func);
void eap_set_mtu(struct eap_state *eap, size_t mtu);
size_t eap_get_mtu(struct eap_state *eap);
@ -128,6 +131,8 @@ void eap_start_complete_timeout(struct eap_state *eap);
void eap_method_success(struct eap_state *eap);
void eap_method_error(struct eap_state *eap);
void eap_method_event(struct eap_state *eap, unsigned int type,
const void *data);
void eap_save_last_id(struct eap_state *eap, uint8_t *last_id);
void eap_restore_last_id(struct eap_state *eap, uint8_t last_id);