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Allow config'n of incl of CertificateReq CA list Y/N at compile-time

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Introduces MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST which allows to configure
at compile-time whether a CA list should be included in the
CertificateRequest message sent by the server.

Impact on code-size:

|  | GCC 8.2.1 | ARMC5 5.06 | ARMC6 6.12 |
| --- | --- | --- | --- |
| `libmbedtls.a` before  | 23131 | 23805 | 26673 |
| `libmbedtls.a` after | 23099 | 23781 | 26639 |
| gain in Bytes | 32 | 24 | 34 |
This commit is contained in:
Hanno Becker
2019-06-13 12:33:03 +01:00
parent 2d9623f7d5
commit c2cfdaa693
8 changed files with 53 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/mbedtls/config.h
View File

@@ -3458,7 +3458,9 @@
//#define MBEDTLS_SSL_CONF_READ_TIMEOUT 0
/* Endpoint (Client/Server) */
//#define MBEDTLS_SSL_CONF_ENDPOINT MBED
//#define MBEDTLS_SSL_CONF_ENDPOINT MBEDTLS_SSL_IS_CLIENT
//#define MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED
/* DTLS-specific settings */
//#define MBEDTLS_SSL_CONF_HS_TIMEOUT_MIN MBEDTLS_SSL_DTLS_TIMEOUT_DFL_MIN

9
include/mbedtls/ssl.h
View File

@@ -1106,8 +1106,10 @@ struct mbedtls_ssl_config
unsigned int fallback : 1; /*!< is this a fallback? */
#endif
#if defined(MBEDTLS_SSL_SRV_C)
#if !defined(MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST)
unsigned int cert_req_ca_list : 1; /*!< enable sending CA list in
Certificate Request messages? */
#endif /* !MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST */
#endif
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
#if !defined(MBEDTLS_SSL_CONF_IGNORE_UNEXPECTED_CID)
@@ -2965,19 +2967,22 @@ void mbedtls_ssl_conf_extended_master_secret_enforce( mbedtls_ssl_config *conf,
void mbedtls_ssl_conf_arc4_support( mbedtls_ssl_config *conf, char arc4 );
#endif /* MBEDTLS_ARC4_C */
#if defined(MBEDTLS_SSL_SRV_C)
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST)
/**
* \brief Whether to send a list of acceptable CAs in
* CertificateRequest messages.
* (Default: do send)
*
* \note On constrained systems, this options can also be configured
* at compile-time via MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST.
*
* \param conf SSL configuration
* \param cert_req_ca_list MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED or
* MBEDTLS_SSL_CERT_REQ_CA_LIST_DISABLED
*/
void mbedtls_ssl_conf_cert_req_ca_list( mbedtls_ssl_config *conf,
char cert_req_ca_list );
#endif /* MBEDTLS_SSL_SRV_C */
#endif /* MBEDTLS_SSL_SRV_C && !MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST */
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
/**

17
include/mbedtls/ssl_internal.h
View File

@@ -1085,6 +1085,23 @@ int mbedtls_ssl_decrypt_buf( mbedtls_ssl_context *ssl,
* be fixed at compile time via one of MBEDTLS_SSL_SSL_CONF_XXX.
*/
#if defined(MBEDTLS_SSL_SRV_C)
#if !defined(MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST)
static inline unsigned int mbedtls_ssl_conf_get_cert_req_ca_list(
mbedtls_ssl_config const *conf )
{
return( conf->cert_req_ca_list );
}
#else /* !MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST */
static inline unsigned int mbedtls_ssl_conf_get_cert_req_ca_list(
mbedtls_ssl_config const *conf )
{
((void) conf);
return( MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST );
}
#endif /* MBEDTLS_SSL_CONF_CERT_REQ_CA_LIST */
#endif /* MBEDTLS_SSL_SRV_C */
#if !defined(MBEDTLS_SSL_CONF_ENDPOINT)
static inline unsigned int mbedtls_ssl_conf_get_endpoint(
mbedtls_ssl_config const *conf )