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Mark static int SSL functions CHECK_RETURN_CRITICAL

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard
2022-06-17 10:24:00 +02:00
committed by Manuel Pégourié-Gonnard
parent 08b2ebd2be
commit d904d66639
7 changed files with 162 additions and 0 deletions
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29
library/ssl_tls.c
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@ -245,6 +245,7 @@ int mbedtls_ssl_session_copy( mbedtls_ssl_session *dst,
}
#if defined(MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH)
MBEDTLS_CHECK_RETURN_CRITICAL
static int resize_buffer( unsigned char **buffer, size_t len_new, size_t *len_old )
{
unsigned char* resized_buffer = mbedtls_calloc( 1, len_new );
@ -337,6 +338,7 @@ static void handle_buffer_resizing( mbedtls_ssl_context *ssl, int downsizing,
* Key material generation
*/
#if defined(MBEDTLS_SSL_PROTO_SSL3)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl3_prf( const unsigned char *secret, size_t slen,
const char *label,
const unsigned char *random, size_t rlen,
@ -398,6 +400,7 @@ exit:
#endif /* MBEDTLS_SSL_PROTO_SSL3 */
#if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1)
MBEDTLS_CHECK_RETURN_CRITICAL
static int tls1_prf( const unsigned char *secret, size_t slen,
const char *label,
const unsigned char *random, size_t rlen,
@ -605,6 +608,7 @@ static psa_status_t setup_psa_key_derivation( psa_key_derivation_operation_t* de
return( PSA_SUCCESS );
}
MBEDTLS_CHECK_RETURN_CRITICAL
static int tls_prf_generic( mbedtls_md_type_t md_type,
const unsigned char *secret, size_t slen,
const char *label,
@ -679,6 +683,7 @@ static int tls_prf_generic( mbedtls_md_type_t md_type,
#else /* MBEDTLS_USE_PSA_CRYPTO */
MBEDTLS_CHECK_RETURN_CRITICAL
static int tls_prf_generic( mbedtls_md_type_t md_type,
const unsigned char *secret, size_t slen,
const char *label,
@ -770,6 +775,7 @@ exit:
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_SHA256_C)
MBEDTLS_CHECK_RETURN_CRITICAL
static int tls_prf_sha256( const unsigned char *secret, size_t slen,
const char *label,
const unsigned char *random, size_t rlen,
@ -781,6 +787,7 @@ static int tls_prf_sha256( const unsigned char *secret, size_t slen,
#endif /* MBEDTLS_SHA256_C */
#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
MBEDTLS_CHECK_RETURN_CRITICAL
static int tls_prf_sha384( const unsigned char *secret, size_t slen,
const char *label,
const unsigned char *random, size_t rlen,
@ -825,6 +832,7 @@ static void ssl_calc_finished_tls_sha384( mbedtls_ssl_context *, unsigned char *
#if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) && \
defined(MBEDTLS_USE_PSA_CRYPTO)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_use_opaque_psk( mbedtls_ssl_context const *ssl )
{
if( ssl->conf->f_psk != NULL )
@ -949,6 +957,7 @@ typedef int ssl_tls_prf_t(const unsigned char *, size_t, const char *,
* - MBEDTLS_SSL_EXPORT_KEYS: ssl->conf->{f,p}_export_keys
* - MBEDTLS_DEBUG_C: ssl->conf->{f,p}_dbg
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_populate_transform( mbedtls_ssl_transform *transform,
int ciphersuite,
const unsigned char master[48],
@ -1512,6 +1521,7 @@ end:
* Outputs:
* - the tls_prf, calc_verify and calc_finished members of handshake structure
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_set_handshake_prfs( mbedtls_ssl_handshake_params *handshake,
int minor_ver,
mbedtls_md_type_t hash )
@ -1581,6 +1591,7 @@ static int ssl_set_handshake_prfs( mbedtls_ssl_handshake_params *handshake,
* EMS: passed to calc_verify (debug + (SSL3) session_negotiate)
* PSA-PSA: minor_ver, conf
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_compute_master( mbedtls_ssl_handshake_params *handshake,
unsigned char *master,
const mbedtls_ssl_context *ssl )
@ -2109,6 +2120,7 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
#if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_RENEGOTIATION)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_write_hello_request( mbedtls_ssl_context *ssl );
#if defined(MBEDTLS_SSL_PROTO_DTLS)
@ -2324,6 +2336,7 @@ write_msg:
#if defined(MBEDTLS_SSL_RENEGOTIATION) && defined(MBEDTLS_SSL_CLI_C)
#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_check_peer_crt_unchanged( mbedtls_ssl_context *ssl,
unsigned char *crt_buf,
size_t crt_buf_len )
@ -2339,6 +2352,7 @@ static int ssl_check_peer_crt_unchanged( mbedtls_ssl_context *ssl,
return( memcmp( peer_crt->raw.p, crt_buf, peer_crt->raw.len ) );
}
#else /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_check_peer_crt_unchanged( mbedtls_ssl_context *ssl,
unsigned char *crt_buf,
size_t crt_buf_len )
@ -2373,6 +2387,7 @@ static int ssl_check_peer_crt_unchanged( mbedtls_ssl_context *ssl,
* Once the certificate message is read, parse it into a cert chain and
* perform basic checks, but leave actual verification to the caller
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_parse_certificate_chain( mbedtls_ssl_context *ssl,
mbedtls_x509_crt *chain )
{
@ -2522,6 +2537,7 @@ static int ssl_parse_certificate_chain( mbedtls_ssl_context *ssl,
}
#if defined(MBEDTLS_SSL_SRV_C)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_srv_check_client_no_crt_notification( mbedtls_ssl_context *ssl )
{
if( ssl->conf->endpoint == MBEDTLS_SSL_IS_CLIENT )
@ -2571,6 +2587,7 @@ static int ssl_srv_check_client_no_crt_notification( mbedtls_ssl_context *ssl )
*/
#define SSL_CERTIFICATE_EXPECTED 0
#define SSL_CERTIFICATE_SKIP 1
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_parse_certificate_coordinate( mbedtls_ssl_context *ssl,
int authmode )
{
@ -2600,6 +2617,7 @@ static int ssl_parse_certificate_coordinate( mbedtls_ssl_context *ssl,
return( SSL_CERTIFICATE_EXPECTED );
}
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl,
int authmode,
mbedtls_x509_crt *chain,
@ -2790,6 +2808,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl,
}
#if !defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_remember_peer_crt_digest( mbedtls_ssl_context *ssl,
unsigned char *start, size_t len )
{
@ -2821,6 +2840,7 @@ static int ssl_remember_peer_crt_digest( mbedtls_ssl_context *ssl,
return( ret );
}
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_remember_peer_pubkey( mbedtls_ssl_context *ssl,
unsigned char *start, size_t len )
{
@ -3799,6 +3819,7 @@ void mbedtls_ssl_session_init( mbedtls_ssl_session *session )
memset( session, 0, sizeof(mbedtls_ssl_session) );
}
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_handshake_init( mbedtls_ssl_context *ssl )
{
/* Clear old handshake information if present */
@ -3876,6 +3897,7 @@ static int ssl_handshake_init( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && defined(MBEDTLS_SSL_SRV_C)
/* Dummy cookie callbacks for defaults */
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_cookie_write_dummy( void *ctx,
unsigned char **p, unsigned char *end,
const unsigned char *cli_id, size_t cli_id_len )
@ -3889,6 +3911,7 @@ static int ssl_cookie_write_dummy( void *ctx,
return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
}
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_cookie_check_dummy( void *ctx,
const unsigned char *cookie, size_t cookie_len,
const unsigned char *cli_id, size_t cli_id_len )
@ -4306,6 +4329,7 @@ void mbedtls_ssl_conf_cert_profile( mbedtls_ssl_config *conf,
}
/* Append a new keycert entry to a (possibly empty) list */
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_append_key_cert( mbedtls_ssl_key_cert **head,
mbedtls_x509_crt *cert,
mbedtls_pk_context *key )
@ -4474,6 +4498,7 @@ static void ssl_conf_remove_psk( mbedtls_ssl_config *conf )
* It checks that the provided identity is well-formed and attempts
* to make a copy of it in the SSL config.
* On failure, the PSK identity in the config remains unset. */
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_conf_set_psk_identity( mbedtls_ssl_config *conf,
unsigned char const *psk_identity,
size_t psk_identity_len )
@ -5393,6 +5418,7 @@ static unsigned char ssl_serialized_session_header[] = {
* verify_result is put before peer_cert so that all mandatory fields come
* together in one block.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_session_save( const mbedtls_ssl_session *session,
unsigned char omit_header,
unsigned char *buf,
@ -5592,6 +5618,7 @@ int mbedtls_ssl_session_save( const mbedtls_ssl_session *session,
* This internal version is wrapped by a public function that cleans up in
* case of error, and has an extra option omit_header.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_session_load( mbedtls_ssl_session *session,
unsigned char omit_header,
const unsigned char *buf,
@ -5895,6 +5922,7 @@ int mbedtls_ssl_handshake( mbedtls_ssl_context *ssl )
/*
* Write HelloRequest to request renegotiation on server
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_write_hello_request( mbedtls_ssl_context *ssl )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@ -6506,6 +6534,7 @@ static tls_prf_fn ssl_tls12prf_from_cs( int ciphersuite_id )
* This internal version is wrapped by a public function that cleans up in
* case of error.
*/
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_context_load( mbedtls_ssl_context *ssl,
const unsigned char *buf,
size_t len )