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Implement mbedtls_ssl_get_peer_cid()

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This commit is contained in:
Hanno Becker 2019-04-26 17:08:02 +01:00
parent 5e2cd1422e
commit 2de89fae8f
1 changed files with 23 additions and 7 deletions
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30
library/ssl_tls.c
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@ -142,19 +142,35 @@ 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. */
/* WARNING: The CID feature isn't fully implemented yet
* and will not be used. */
int mbedtls_ssl_get_peer_cid( mbedtls_ssl_context *ssl,
int *enabled,
unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ],
size_t *peer_cid_len )
{
((void) ssl);
((void) peer_cid);
((void) peer_cid_len);
*enabled = MBEDTLS_SSL_CID_DISABLED;
if( ssl->state != MBEDTLS_SSL_HANDSHAKE_OVER )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
/* What shall we report if we have exchanged if both client
* and server have used the CID extension, but negotiated
* empty CIDs? This is indistinguishable from not using the
* CID extension in the first place, and we're reporting
* MBEDTLS_SSL_CID_DISABLED in this case. */
if( ssl->transform_in->in_cid_len == 0 &&
ssl->transform_in->out_cid_len == 0 )
{
return( 0 );
}
*peer_cid_len = ssl->transform_in->out_cid_len;
memcpy( peer_cid, ssl->transform_in->out_cid,
ssl->transform_in->out_cid_len );
*enabled = MBEDTLS_SSL_CID_ENABLED;
return( 0 );
}
#endif /* MBEDTLS_SSL_CID */