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Add warnings about status of implementation of CID API

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This commit is contained in:
Hanno Becker 2019-04-23 12:01:20 +01:00
parent 9bae30d00d
commit f1f9a82320
2 changed files with 20 additions and 3 deletions
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17
include/mbedtls/ssl.h
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@ -1495,8 +1495,8 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
/**
* \brief Configure the use of the Connection ID (CID) extension
* in the next handshake.
* \brief (STUB) Configure the use of the Connection ID (CID)
* extension in the next handshake.
*
* Reference:
* https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-04
@ -1519,6 +1519,11 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
* extension in the next handshake and to set the value of
* the CID to be used for incoming messages.
*
* \warning The current implementation of this API does nothing!
* It is included solely to allow review and coding against
* the new Connection CID API.
* The actual implementation will be added in the future.
*
* \param ssl The SSL context to configure. This must be initialized.
* \param enable This value determines whether the CID extension should
* be used or not. Possible values are:
@ -1578,9 +1583,15 @@ int mbedtls_ssl_set_cid( mbedtls_ssl_context *ssl,
size_t own_cid_len );
/**
* \brief Get information about the current use of the
* \brief (STUB) Get information about the current use of the
* CID extension.
*
* \warning The current implementation of this API does nothing
* except setting `*enabled` to MBEDTLS_SSL_CID_DISABLED!
* It is included solely to allow review and coding against
* the new Connection CID API.
* The actual implementation will be added in the future.
*
* \param ssl The SSL context to query.
* \param enabled The address at which to store whether the CID extension
* is currently in use or not. If the CID is in use,

6
library/ssl_tls.c
View file

@ -120,6 +120,9 @@ static void ssl_update_in_pointers( mbedtls_ssl_context *ssl,
/* Top-level Connection ID API */
/* WARNING: This implementation is a stub and doesn't do anything!
* It is included solely to allow review and coding against
* the new Connection CID API. */
int mbedtls_ssl_set_cid( mbedtls_ssl_context *ssl,
int enable,
unsigned char const *own_cid,
@ -132,6 +135,9 @@ int mbedtls_ssl_set_cid( mbedtls_ssl_context *ssl,
return( 0 );
}
/* WARNING: This implementation is a stub and doesn't do anything!
* It is included solely to allow review and coding against
* the new Connection CID API. */
int mbedtls_ssl_get_peer_cid( mbedtls_ssl_context *ssl,
int *enabled,
unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ],