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added a RADIUS id_prefix option to prefix the IMSI

This commit is contained in:
Martin Willi 2009-07-07 15:47:09 +02:00
parent 2eac2578a5
commit 3f67126226
1 changed files with 16 additions and 5 deletions
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21
src/charon/plugins/eap_radius/eap_radius.c
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@ -66,6 +66,11 @@ struct private_eap_radius_t {
* TRUE to use EAP-Start, FALSE to send EAP-Identity Response directly
*/
bool eap_start;
/**
* Prefix to prepend to EAP identity
*/
char *id_prefix;
};
/**
@ -86,18 +91,20 @@ static void add_eap_identity(private_eap_radius_t *this,
/** identity data */
u_int8_t data[];
} __attribute__((__packed__)) *hdr;
chunk_t id;
chunk_t id, prefix;
size_t len;
id = this->peer->get_encoding(this->peer);
len = sizeof(*hdr) + id.len;
prefix = chunk_create(this->id_prefix, strlen(this->id_prefix));
len = sizeof(*hdr) + prefix.len + id.len;
hdr = alloca(len);
hdr->code = EAP_RESPONSE;
hdr->identifier = 0;
hdr->length = htons(len);
hdr->type = EAP_IDENTITY;
memcpy(hdr->data, id.ptr, id.len);
memcpy(hdr->data, prefix.ptr, prefix.len);
memcpy(hdr->data + prefix.len, id.ptr, id.len);
request->add(request, RAT_EAP_MESSAGE, chunk_create((u_char*)hdr, len));
}
@ -136,9 +143,12 @@ static status_t initiate(private_eap_radius_t *this, eap_payload_t **out)
{
radius_message_t *request, *response;
status_t status = FAILED;
chunk_t username;
request = radius_message_create_request();
request->add(request, RAT_USER_NAME, this->peer->get_encoding(this->peer));
username = chunk_create(this->id_prefix, strlen(this->id_prefix));
username = chunk_cata("cc", username, this->peer->get_encoding(this->peer));
request->add(request, RAT_USER_NAME, username);
if (this->eap_start)
{
@ -283,7 +293,8 @@ eap_radius_t *eap_radius_create(identification_t *server, identification_t *peer
this->msk = chunk_empty;
this->eap_start = lib->settings->get_bool(lib->settings,
"charon.plugins.eap_radius.eap_start", FALSE);
this->id_prefix = lib->settings->get_str(lib->settings,
"charon.plugins.eap_radius.id_prefix", "");
return &this->public;
}