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peap: switch tx_pdu_buf to use databuf struct

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This commit is contained in:
Tim Kourt 2018-02-14 16:14:46 -08:00 committed by Denis Kenzior
parent 93d0dac77b
commit 8ae6e7c3de
1 changed files with 15 additions and 21 deletions
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36
src/eap-peap.c
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@ -71,9 +71,7 @@ struct eap_peap_state {
enum peap_version version; enum peap_version version;
struct l_tls *tunnel; struct l_tls *tunnel;
uint8_t *tx_pdu_buf; struct databuf *tx_pdu_buf;
size_t tx_pdu_buf_len;
struct databuf *plain_buf; struct databuf *plain_buf;
uint8_t *rx_pdu_buf; uint8_t *rx_pdu_buf;
@ -134,18 +132,6 @@ static void databuf_free(struct databuf *databuf)
l_free(databuf); l_free(databuf);
} }
static void eap_peap_free_tx_buffer(struct eap_state *eap)
{
struct eap_peap_state *peap = eap_get_data(eap);
if (!peap->tx_pdu_buf)
return;
l_free(peap->tx_pdu_buf);
peap->tx_pdu_buf = NULL;
peap->tx_pdu_buf_len = 0;
}
static void eap_peap_free_rx_buffer(struct eap_state *eap) static void eap_peap_free_rx_buffer(struct eap_state *eap)
{ {
struct eap_peap_state *peap = eap_get_data(eap); struct eap_peap_state *peap = eap_get_data(eap);
@ -168,7 +154,10 @@ static void eap_peap_free(struct eap_state *eap)
peap->tunnel = NULL; peap->tunnel = NULL;
} }
eap_peap_free_tx_buffer(eap); if (peap->tx_pdu_buf) {
databuf_free(peap->tx_pdu_buf);
peap->tx_pdu_buf = NULL;
}
if (peap->plain_buf) { if (peap->plain_buf) {
databuf_free(peap->plain_buf); databuf_free(peap->plain_buf);
@ -192,7 +181,7 @@ static void eap_peap_send_fragment(struct eap_state *eap)
struct eap_peap_state *peap = eap_get_data(eap); struct eap_peap_state *peap = eap_get_data(eap);
size_t mtu = eap_get_mtu(eap); size_t mtu = eap_get_mtu(eap);
uint8_t buf[mtu]; uint8_t buf[mtu];
size_t len = peap->tx_pdu_buf_len - peap->tx_frag_offset; size_t len = peap->tx_pdu_buf->len - peap->tx_frag_offset;
size_t header_len = PEAP_HEADER_LEN; size_t header_len = PEAP_HEADER_LEN;
buf[PEAP_HEADER_OCTET_FLAGS] = peap->version; buf[PEAP_HEADER_OCTET_FLAGS] = peap->version;
@ -205,13 +194,14 @@ static void eap_peap_send_fragment(struct eap_state *eap)
if (!peap->tx_frag_offset) { if (!peap->tx_frag_offset) {
buf[PEAP_HEADER_OCTET_FLAGS] |= PEAP_FLAG_L; buf[PEAP_HEADER_OCTET_FLAGS] |= PEAP_FLAG_L;
l_put_be32(peap->tx_pdu_buf_len, l_put_be32(peap->tx_pdu_buf->len,
&buf[PEAP_HEADER_OCTET_FRAG_LEN]); &buf[PEAP_HEADER_OCTET_FRAG_LEN]);
len -= 4; len -= 4;
header_len += 4; header_len += 4;
} }
memcpy(buf + header_len, peap->tx_pdu_buf + peap->tx_frag_offset, len); memcpy(buf + header_len, peap->tx_pdu_buf->data + peap->tx_frag_offset,
len);
eap_send_response(eap, EAP_TYPE_PEAP, buf, header_len + len); eap_send_response(eap, EAP_TYPE_PEAP, buf, header_len + len);
peap->tx_frag_last_len = len; peap->tx_frag_last_len = len;
@ -504,7 +494,10 @@ static void eap_peap_handle_request(struct eap_state *eap,
* tx_pdu_buf is used for the retransmission and needs to be cleared on * tx_pdu_buf is used for the retransmission and needs to be cleared on
* a new request * a new request
*/ */
eap_peap_free_tx_buffer(eap); if (peap->tx_pdu_buf) {
databuf_free(peap->tx_pdu_buf);
peap->tx_pdu_buf = NULL;
}
if (flags_version & PEAP_FLAG_S) { if (flags_version & PEAP_FLAG_S) {
if (!eap_peap_tunnel_init(eap)) if (!eap_peap_tunnel_init(eap))
@ -531,7 +524,8 @@ send_response:
if (!peap->tx_pdu_buf) if (!peap->tx_pdu_buf)
return; return;
eap_peap_send_response(eap, peap->tx_pdu_buf, peap->tx_pdu_buf_len); eap_peap_send_response(eap, peap->tx_pdu_buf->data,
peap->tx_pdu_buf->len);
return; return;