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dtls.c: remove rudiments of renegotiation.

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Renegotiation has been removed.
Cleanup some leftovers internal renegotiation errors.

Signed-off-by: Achim Kraus <achim.kraus@cloudcoap.net>
This commit is contained in:
Achim Kraus 2023-05-17 08:50:31 +02:00
parent c9bbc0340f
commit 3159ca6065
2 changed files with 5 additions and 14 deletions
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1
alert.h
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@ -56,7 +56,6 @@ typedef enum {
#define DTLS_EVENT_CONNECT 0x01DC /**< initiated handshake */
#define DTLS_EVENT_CONNECTED 0x01DE /**< handshake or re-negotiation
* has finished */
#define DTLS_EVENT_RENEGOTIATE 0x01DF /**< re-negotiation has started */
static inline int
dtls_alert_create(dtls_alert_level_t level, dtls_alert_t desc)

18
dtls.c
View File

@ -1234,11 +1234,7 @@ check_forced_extensions:
return 0;
error:
if (is_client_hello && peer->state == DTLS_STATE_CONNECTED) {
return dtls_alert_create(DTLS_ALERT_LEVEL_WARNING, DTLS_ALERT_NO_RENEGOTIATION);
} else {
return dtls_alert_fatal_create(DTLS_ALERT_HANDSHAKE_FAILURE);
}
return dtls_alert_fatal_create(DTLS_ALERT_HANDSHAKE_FAILURE);
}
/**
@ -1368,11 +1364,7 @@ dtls_update_parameters(dtls_context_t *ctx,
return dtls_check_tls_extension(peer, data, data_length, 1);
error:
if (peer->state == DTLS_STATE_CONNECTED) {
return dtls_alert_create(DTLS_ALERT_LEVEL_WARNING, DTLS_ALERT_NO_RENEGOTIATION);
} else {
return dtls_alert_fatal_create(DTLS_ALERT_HANDSHAKE_FAILURE);
}
return dtls_alert_fatal_create(DTLS_ALERT_HANDSHAKE_FAILURE);
}
/**
@ -4634,7 +4626,9 @@ dtls_handle_message(dtls_context_t *ctx,
err = handle_handshake(ctx, peer, data, data_length);
if (err < 0) {
dtls_warn("error while handling handshake packet\n");
dtls_warn("error 0x%04x handling handshake packet of type: %s (%i),"
" state %d\n", -err, dtls_handshake_type_to_name(data[0]),
data[0], peer->state);
dtls_alert_send_from_err(ctx, peer, err);
if (peer && DTLS_ALERT_LEVEL_FATAL == ((-err) & 0xff00) >> 8) {
@ -4803,8 +4797,6 @@ dtls_connect(dtls_context_t *ctx, const session_t *dst) {
* re-negotiation. */
if (res > 0) {
CALL(ctx, event, &peer->session, 0, DTLS_EVENT_CONNECT);
} else if (res == 0) {
CALL(ctx, event, &peer->session, 0, DTLS_EVENT_RENEGOTIATE);
}
return res;