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SRTP profiles definition use macros only

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Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
This commit is contained in:
Johan Pascal 2020-09-22 12:25:52 +02:00
parent 4f099264b5
commit 43f9490a52
8 changed files with 105 additions and 149 deletions
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26
library/ssl_srv.c
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@ -781,10 +781,9 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
const unsigned char *buf,
size_t len )
{
mbedtls_ssl_srtp_profile client_protection = MBEDTLS_SRTP_UNSET_PROFILE;
mbedtls_ssl_srtp_profile client_protection = MBEDTLS_TLS_SRTP_UNSET;
size_t i,j;
size_t profile_length,mki_length;
const mbedtls_ssl_srtp_profile_info *profile_info;
/*! 2 bytes for profile length and 1 byte for mki len */
const size_t size_of_lengths = 3;
@ -818,7 +817,7 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO );
}
ssl->dtls_srtp_info.chosen_dtls_srtp_profile = MBEDTLS_SRTP_UNSET_PROFILE;
ssl->dtls_srtp_info.chosen_dtls_srtp_profile = MBEDTLS_TLS_SRTP_UNSET;
/* first 2 bytes are protection profile length(in bytes) */
profile_length = ( buf[0] << 8 ) | buf[1];
@ -839,12 +838,13 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
for( j=0; j < profile_length; j += 2 )
{
uint16_t protection_profile_value = buf[j] << 8 | buf[j+1];
client_protection = mbedtls_ssl_get_srtp_profile_value( protection_profile_value );
client_protection = mbedtls_ssl_check_srtp_profile_value( protection_profile_value );
profile_info = mbedtls_ssl_dtls_srtp_profile_info_from_id( client_protection );
if( profile_info != NULL )
if( client_protection != MBEDTLS_TLS_SRTP_UNSET )
{
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found srtp profile: %s", profile_info->name ) );
MBEDTLS_SSL_DEBUG_MSG( 3, ( "found srtp profile: %s",
mbedtls_ssl_get_srtp_profile_as_string(
client_protection ) ) );
}
else
{
@ -856,11 +856,13 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl,
if( client_protection == ssl->conf->dtls_srtp_profile_list[i] )
{
ssl->dtls_srtp_info.chosen_dtls_srtp_profile = ssl->conf->dtls_srtp_profile_list[i];
MBEDTLS_SSL_DEBUG_MSG( 3, ( "selected srtp profile: %s", profile_info->name ) );
MBEDTLS_SSL_DEBUG_MSG( 3, ( "selected srtp profile: %s",
mbedtls_ssl_get_srtp_profile_as_string(
client_protection ) ) );
break;
}
}
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE )
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_TLS_SRTP_UNSET )
break;
}
buf += profile_length; /* buf points to the mki length */
@ -2639,7 +2641,7 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl,
*olen = 0;
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile == MBEDTLS_SRTP_UNSET_PROFILE )
if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile == MBEDTLS_TLS_SRTP_UNSET )
{
return;
}
@ -2679,9 +2681,9 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl,
/* protection profile length: 2 */
buf[4] = 0x00;
buf[5] = 0x02;
profile_value = mbedtls_ssl_get_srtp_profile_iana_value(
profile_value = mbedtls_ssl_check_srtp_profile_value(
ssl->dtls_srtp_info.chosen_dtls_srtp_profile );
if( profile_value != 0xFFFF )
if( profile_value != MBEDTLS_TLS_SRTP_UNSET )
{
buf[6] = (unsigned char)( ( profile_value >> 8 ) & 0xFF );
buf[7] = (unsigned char)( profile_value & 0xFF );