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implemented get|set_identifier() for eap_sim_t

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This commit is contained in:
Andreas Steffen
2011-04-05 17:01:28 +02:00
parent 125fadb3e0
commit dcfb8177b3
2 changed files with 56 additions and 34 deletions
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src/libcharon/plugins/eap_sim/eap_sim_peer.c
+42 -34
View File
@@ -55,6 +55,11 @@ struct private_eap_sim_peer_t {
*/
identification_t *reauth;
/**
* EAP message identifier
*/
u_int8_t identifier;
/**
* EAP-SIM crypto helper
*/
@@ -98,7 +103,7 @@ static chunk_t version = chunk_from_chars(0x00,0x01);
* Create a SIM_CLIENT_ERROR
*/
static eap_payload_t* create_client_error(private_eap_sim_peer_t *this,
u_int8_t identifier, simaka_client_error_t code)
simaka_client_error_t code)
{
simaka_message_t *message;
eap_payload_t *out;
@@ -106,7 +111,7 @@ static eap_payload_t* create_client_error(private_eap_sim_peer_t *this,
DBG1(DBG_IKE, "sending client error '%N'", simaka_client_error_names, code);
message = simaka_message_create(FALSE, identifier, EAP_SIM,
message = simaka_message_create(FALSE, this->identifier, EAP_SIM,
SIM_CLIENT_ERROR, this->crypto);
encoded = htons(code);
message->add_attribute(message, AT_CLIENT_ERROR_CODE,
@@ -164,8 +169,7 @@ static status_t process_start(private_eap_sim_peer_t *this,
default:
if (!simaka_attribute_skippable(type))
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
enumerator->destroy(enumerator);
return NEED_MORE;
}
@@ -177,8 +181,7 @@ static status_t process_start(private_eap_sim_peer_t *this,
if (!supported)
{
DBG1(DBG_IKE, "server does not support EAP-SIM version number 1");
*out = create_client_error(this, in->get_identifier(in),
SIM_UNSUPPORTED_VERSION);
*out = create_client_error(this, SIM_UNSUPPORTED_VERSION);
return NEED_MORE;
}
@@ -214,7 +217,7 @@ static status_t process_start(private_eap_sim_peer_t *this,
free(this->nonce.ptr);
rng->allocate_bytes(rng, NONCE_LEN, &this->nonce);
message = simaka_message_create(FALSE, in->get_identifier(in), EAP_SIM,
message = simaka_message_create(FALSE, this->identifier, EAP_SIM,
SIM_START, this->crypto);
if (!this->reauth)
{
@@ -261,8 +264,7 @@ static status_t process_challenge(private_eap_sim_peer_t *this,
default:
if (!simaka_attribute_skippable(type))
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
enumerator->destroy(enumerator);
return NEED_MORE;
}
@@ -277,8 +279,7 @@ static status_t process_challenge(private_eap_sim_peer_t *this,
memeq(rands.ptr, rands.ptr + SIM_RAND_LEN, SIM_RAND_LEN))
{
DBG1(DBG_IKE, "no valid AT_RAND received");
*out = create_client_error(this, in->get_identifier(in),
SIM_INSUFFICIENT_CHALLENGES);
*out = create_client_error(this, SIM_INSUFFICIENT_CHALLENGES);
return NEED_MORE;
}
/* get two or three KCs/SRESes from SIM using RANDs */
@@ -290,8 +291,7 @@ static status_t process_challenge(private_eap_sim_peer_t *this,
rands.ptr, sres.ptr, kc.ptr))
{
DBG1(DBG_IKE, "unable to get EAP-SIM triplet");
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
DBG3(DBG_IKE, "got triplet for RAND %b\n Kc %b\n SRES %b",
@@ -316,8 +316,7 @@ static status_t process_challenge(private_eap_sim_peer_t *this,
* parse() again after key derivation, reading encrypted attributes */
if (!in->verify(in, this->nonce) || !in->parse(in))
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
@@ -345,7 +344,7 @@ static status_t process_challenge(private_eap_sim_peer_t *this,
enumerator->destroy(enumerator);
/* build response with AT_MAC, built over "EAP packet | n*SRES" */
message = simaka_message_create(FALSE, in->get_identifier(in), EAP_SIM,
message = simaka_message_create(FALSE, this->identifier, EAP_SIM,
SIM_CHALLENGE, this->crypto);
*out = message->generate(message, sreses);
message->destroy(message);
@@ -379,8 +378,7 @@ static status_t process_reauthentication(private_eap_sim_peer_t *this,
{
DBG1(DBG_IKE, "received %N, but not expected",
simaka_subtype_names, SIM_REAUTHENTICATION);
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
@@ -390,8 +388,7 @@ static status_t process_reauthentication(private_eap_sim_peer_t *this,
/* verify MAC and parse again with decryption key */
if (!in->verify(in, chunk_empty) || !in->parse(in))
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
@@ -412,8 +409,7 @@ static status_t process_reauthentication(private_eap_sim_peer_t *this,
default:
if (!simaka_attribute_skippable(type))
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
enumerator->destroy(enumerator);
return NEED_MORE;
}
@@ -425,12 +421,11 @@ static status_t process_reauthentication(private_eap_sim_peer_t *this,
if (!nonce.len || !counter.len)
{
DBG1(DBG_IKE, "EAP-SIM/Request/Re-Authentication message incomplete");
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
message = simaka_message_create(FALSE, in->get_identifier(in), EAP_SIM,
message = simaka_message_create(FALSE, this->identifier, EAP_SIM,
SIM_REAUTHENTICATION, this->crypto);
if (counter_too_small(this, counter))
{
@@ -503,15 +498,14 @@ static status_t process_notification(private_eap_sim_peer_t *this,
if (success)
{ /* empty notification reply */
message = simaka_message_create(FALSE, in->get_identifier(in), EAP_SIM,
message = simaka_message_create(FALSE, this->identifier, EAP_SIM,
SIM_NOTIFICATION, this->crypto);
*out = message->generate(message, chunk_empty);
message->destroy(message);
}
else
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
}
return NEED_MORE;
}
@@ -522,18 +516,19 @@ METHOD(eap_method_t, process, status_t,
simaka_message_t *message;
status_t status;
/* store received EAP message identifier */
this->identifier = in->get_identifier(in);
message = simaka_message_create_from_payload(in, this->crypto);
if (!message)
{
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
if (!message->parse(message))
{
message->destroy(message);
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
return NEED_MORE;
}
switch (message->get_subtype(message))
@@ -553,8 +548,7 @@ METHOD(eap_method_t, process, status_t,
default:
DBG1(DBG_IKE, "unable to process EAP-SIM subtype %N",
simaka_subtype_names, message->get_subtype(message));
*out = create_client_error(this, in->get_identifier(in),
SIM_UNABLE_TO_PROCESS);
*out = create_client_error(this, SIM_UNABLE_TO_PROCESS);
status = NEED_MORE;
break;
}
@@ -587,6 +581,18 @@ METHOD(eap_method_t, get_msk, status_t,
return FAILED;
}
METHOD(eap_method_t, get_identifier, u_int8_t,
private_eap_sim_peer_t *this)
{
return this->identifier;
}
METHOD(eap_method_t, set_identifier, void,
private_eap_sim_peer_t *this, u_int8_t identifier)
{
this->identifier = identifier;
}
METHOD(eap_method_t, is_mutual, bool,
private_eap_sim_peer_t *this)
{
@@ -622,6 +628,8 @@ eap_sim_peer_t *eap_sim_peer_create(identification_t *server,
.get_type = _get_type,
.is_mutual = _is_mutual,
.get_msk = _get_msk,
.get_identifier = _get_identifier,
.set_identifier = _set_identifier,
.destroy = _destroy,
},
},
src/libcharon/plugins/eap_sim/eap_sim_server.c
+14
View File
@@ -535,6 +535,18 @@ METHOD(eap_method_t, get_msk, status_t,
return FAILED;
}
METHOD(eap_method_t, get_identifier, u_int8_t,
private_eap_sim_server_t *this)
{
return this->identifier;
}
METHOD(eap_method_t, set_identifier, void,
private_eap_sim_server_t *this, u_int8_t identifier)
{
this->identifier = identifier;
}
METHOD(eap_method_t, is_mutual, bool,
private_eap_sim_server_t *this)
{
@@ -571,6 +583,8 @@ eap_sim_server_t *eap_sim_server_create(identification_t *server,
.get_type = _get_type,
.is_mutual = _is_mutual,
.get_msk = _get_msk,
.get_identifier = _get_identifier,
.set_identifier = _set_identifier,
.destroy = _destroy,
},
},