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	Style fixes
1. Adjust to 80 colums where possible. 2. Add \ remove spaces where needed. 3. Fix alignments. Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
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				| @ -3190,10 +3190,11 @@ const char *mbedtls_ssl_get_alpn_protocol( const mbedtls_ssl_context *ssl ); | ||||
|  *                          (Default: MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED) | ||||
|  * | ||||
|  * \param conf              SSL configuration | ||||
|  * \param support_mki_value Enable or disable (MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED or | ||||
|  *                                    MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED) | ||||
|  * \param support_mki_value Enable or disable (MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED | ||||
|  *                          or MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED) | ||||
|  */ | ||||
| void mbedtls_ssl_conf_srtp_mki_value_supported( mbedtls_ssl_config *conf, int support_mki_value ); | ||||
| void mbedtls_ssl_conf_srtp_mki_value_supported( mbedtls_ssl_config *conf, | ||||
|                                                 int support_mki_value ); | ||||
| 
 | ||||
| /**
 | ||||
|  * \brief                   Set the supported DTLS-SRTP protection profiles. | ||||
| @ -3205,7 +3206,9 @@ void mbedtls_ssl_conf_srtp_mki_value_supported( mbedtls_ssl_config *conf, int su | ||||
|  * | ||||
|  * \return         0 on success, or MBEDTLS_ERR_SSL_BAD_INPUT_DATA. | ||||
|  */ | ||||
| int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, const mbedtls_ssl_srtp_profile *profiles, size_t profiles_number); | ||||
| int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, | ||||
|                                                     const mbedtls_ssl_srtp_profile *profiles, | ||||
|                                                     size_t profiles_number ); | ||||
| 
 | ||||
| /**
 | ||||
|  * \brief                   Set the mki_value for the current dtls session. | ||||
| @ -3214,9 +3217,12 @@ int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, co | ||||
|  * \param mki_value        MKI value to set | ||||
|  * \param mki_len          MKI length | ||||
|  * | ||||
|  * \return         0 on success, MBEDTLS_ERR_SSL_BAD_INPUT_DATA or MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE | ||||
|  * \return         0 on success, MBEDTLS_ERR_SSL_BAD_INPUT_DATA | ||||
|  *                 or MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE on failure | ||||
|  */ | ||||
| int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, unsigned char* mki_value, size_t mki_len ); | ||||
| int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, | ||||
|                                          unsigned char *mki_value, | ||||
|                                          size_t mki_len ); | ||||
| /**
 | ||||
|  * \brief          Get the negotiated DTLS-SRTP Protection Profile. | ||||
|  *                 This function should be called after the handshake is | ||||
| @ -3224,22 +3230,28 @@ int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, unsigned char | ||||
|  * | ||||
|  * \param ssl      SSL context | ||||
|  * | ||||
|  * \return         Protection Profile enum member, MBEDTLS_SRTP_UNSET_PROFILE if no protocol was negotiated. | ||||
|  * \return         Protection Profile enum member, | ||||
|  *                 MBEDTLS_SRTP_UNSET_PROFILE if no protocol was negotiated. | ||||
|  */ | ||||
| mbedtls_ssl_srtp_profile mbedtls_ssl_get_dtls_srtp_protection_profile( const mbedtls_ssl_context *ssl ); | ||||
| 
 | ||||
| /**
 | ||||
|  * \brief                  Get the generated DTLS-SRTP key material. | ||||
|  *                         This function should be called after the handshake is | ||||
|  *                         completed. It shall returns 80 bytes of key material generated according to RFC5764 | ||||
|  *                         completed. It shall returns 80 bytes of key material | ||||
|  *                         generated according to RFC5764 | ||||
|  * | ||||
|  * \param ssl              SSL context | ||||
|  * \param key              Buffer to hold the generated key material | ||||
|  * \param key_len          [in/out] key buffer size. outputs the actual number of bytes written | ||||
|  * \param key_len          [in/out] key buffer size. outputs the actual number | ||||
|  *                         of bytes written | ||||
|  * | ||||
|  * \return         0 on succes, MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL if the key buffer is too small to hold the generated key | ||||
|  * \return         0 on succes, MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL if the key buffer | ||||
|  *                 is too small to hold the generated key | ||||
|  */ | ||||
| int mbedtls_ssl_get_dtls_srtp_key_material( const mbedtls_ssl_context *ssl, unsigned char *key, size_t *key_len ); | ||||
| int mbedtls_ssl_get_dtls_srtp_key_material( const mbedtls_ssl_context *ssl, | ||||
|                                             unsigned char *key, | ||||
|                                             size_t *key_len ); | ||||
| 
 | ||||
| /**
 | ||||
|  * \brief                  Utility function to get information on dtls srtp profile. | ||||
| @ -3267,7 +3279,7 @@ const mbedtls_ssl_srtp_profile_info *mbedtls_ssl_dtls_srtp_profile_info_from_id( | ||||
|  *                 MBEDTLS_SSL_MINOR_VERSION_1 and MBEDTLS_SSL_MINOR_VERSION_2, | ||||
|  *                 MBEDTLS_SSL_MINOR_VERSION_3 supported) | ||||
|  */ | ||||
| void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf, int major, int minor ); | ||||
| void mbedtls_ssl_conf_max_version( mbedtls_ssl_config *conf,int major, int minor ); | ||||
| 
 | ||||
| /**
 | ||||
|  * \brief          Set the minimum accepted SSL/TLS protocol version | ||||
|  | ||||
| @ -766,7 +766,8 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
| 
 | ||||
|     *olen = 0; | ||||
| 
 | ||||
|     if( (ssl->conf->dtls_srtp_profile_list == NULL)  || (ssl->conf->dtls_srtp_profile_list_len == 0) ) | ||||
|     if( (ssl->conf->dtls_srtp_profile_list == NULL) || | ||||
|         (ssl->conf->dtls_srtp_profile_list_len == 0) ) | ||||
|     { | ||||
|         return; | ||||
|     } | ||||
| @ -785,52 +786,69 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|      * } UseSRTPData; | ||||
| 
 | ||||
|      * SRTPProtectionProfile SRTPProtectionProfiles<2..2^16-1>; | ||||
|      * | ||||
|      */ | ||||
|     if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED && | ||||
|                 ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|         ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|     { | ||||
|         mki_len = ssl->dtls_srtp_info.mki_len; | ||||
|     } | ||||
|     /* Extension length = 2bytes for profiles length, ssl->conf->dtls_srtp_profile_list_len*2 (each profile is 2 bytes length ) + 1 byte for srtp_mki vector length and the mki_len value */ | ||||
|     *p++ = (unsigned char)( ( ( 2 + 2*(ssl->conf->dtls_srtp_profile_list_len) + 1 + mki_len ) >> 8 ) & 0xFF ); | ||||
|     *p++ = (unsigned char)( ( ( 2 + 2*(ssl->conf->dtls_srtp_profile_list_len) + 1 + mki_len )      ) & 0xFF ); | ||||
| 
 | ||||
|     /* Extension length = 2 bytes for profiles length,
 | ||||
|      *                    ssl->conf->dtls_srtp_profile_list_len * 2 (each profile is 2 bytes length ), | ||||
|      *                    1 byte for srtp_mki vector length and the mki_len value | ||||
|      */ | ||||
|     *p++ = (unsigned char)( ( ( 2 + 2 * ( ssl->conf->dtls_srtp_profile_list_len ) | ||||
|                                 + 1 + mki_len ) >> 8 ) & 0xFF ); | ||||
|     *p++ = (unsigned char)( ( ( 2 + 2 * (ssl->conf->dtls_srtp_profile_list_len ) | ||||
|                                 + 1 + mki_len )      ) & 0xFF ); | ||||
| 
 | ||||
|     /* protection profile length: 2*(ssl->conf->dtls_srtp_profile_list_len) */ | ||||
|     *p++ = (unsigned char)( ( ( 2*(ssl->conf->dtls_srtp_profile_list_len) ) >> 8 ) & 0xFF ); | ||||
|     *p++ = (unsigned char)( ( 2*(ssl->conf->dtls_srtp_profile_list_len) ) & 0xFF ); | ||||
|     *p++ = (unsigned char)( ( ( 2 * (ssl->conf->dtls_srtp_profile_list_len) ) | ||||
|                               >> 8 ) & 0xFF ); | ||||
|     *p++ = (unsigned char)( ( 2 * (ssl->conf->dtls_srtp_profile_list_len) ) | ||||
|                             & 0xFF ); | ||||
| 
 | ||||
|     for( protection_profiles_index=0; protection_profiles_index < ssl->conf->dtls_srtp_profile_list_len; protection_profiles_index++ ) | ||||
|     for( protection_profiles_index=0; | ||||
|          protection_profiles_index < ssl->conf->dtls_srtp_profile_list_len; | ||||
|          protection_profiles_index++ ) | ||||
|     { | ||||
|         switch (ssl->conf->dtls_srtp_profile_list[protection_profiles_index]) { | ||||
|             case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80: | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "ssl_write_use_srtp_ext, add profile: %04x", | ||||
|                         MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE ) ); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE ) >> 8 ) & 0xFF); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE ) & 0xFF); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE ) | ||||
|                             >> 8 ) & 0xFF ); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE ) | ||||
|                           & 0xFF ); | ||||
|                 break; | ||||
|             case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32: | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "ssl_write_use_srtp_ext, add profile: %04x", | ||||
|                         MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE ) ); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE ) >> 8 ) & 0xFF); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE ) & 0xFF); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE ) | ||||
|                             >> 8 ) & 0xFF ); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE ) | ||||
|                          & 0xFF ); | ||||
|                 break; | ||||
|             case MBEDTLS_SRTP_NULL_HMAC_SHA1_80: | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "ssl_write_use_srtp_ext, add profile: %04x", | ||||
|                         MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE ) ); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE ) >> 8 ) & 0xFF); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE ) & 0xFF); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE ) >> 8 ) | ||||
|                          & 0xFF ) ; | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE ) & 0xFF ); | ||||
|                 break; | ||||
|             case MBEDTLS_SRTP_NULL_HMAC_SHA1_32: | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 3, ( "ssl_write_use_srtp_ext, add profile: %04x", | ||||
|                         MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE ) ); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE ) >> 8 ) & 0xFF); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE ) & 0xFF); | ||||
|                 *p++ = ( ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE ) >> 8 ) | ||||
|                          & 0xFF ); | ||||
|                 *p++ = ( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE ) & 0xFF ); | ||||
|                 break; | ||||
|             default: | ||||
|                 /* Note: we shall never arrive here as protection profiles is checked by ssl_set_dtls_srtp_protection_profiles function */ | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 1, ( "client hello, ignore illegal DTLS-SRTP protection profile %d",  ssl->conf->dtls_srtp_profile_list[protection_profiles_index]) ); | ||||
|                 /*
 | ||||
|                  * Note: we shall never arrive here as protection profiles | ||||
|                  * is checked by ssl_set_dtls_srtp_protection_profiles function | ||||
|                  */ | ||||
|                 MBEDTLS_SSL_DEBUG_MSG( 1, ( "client hello, ignore illegal DTLS-SRTP protection profile %d", | ||||
|                                             ssl->conf->dtls_srtp_profile_list[protection_profiles_index]) ); | ||||
|                 break; | ||||
|         } | ||||
|     } | ||||
| @ -843,11 +861,18 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|         { | ||||
|             *p++ = ssl->dtls_srtp_info.mki_value[i]; | ||||
|         } | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "sending mki",  ssl->dtls_srtp_info.mki_value, ssl->dtls_srtp_info.mki_len ); | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "sending mki",  ssl->dtls_srtp_info.mki_value, | ||||
|                                ssl->dtls_srtp_info.mki_len ); | ||||
|     } | ||||
| 
 | ||||
|     /* total extension length: extension type (2 bytes) + extension length (2 bytes) + protection profile length (2 bytes) + 2*nb protection profiles + srtp_mki vector length(1 byte)*/ | ||||
|     *olen = 2 + 2 + 2 + 2*( ssl->conf->dtls_srtp_profile_list_len ) + 1 + mki_len; | ||||
|     /*
 | ||||
|      * total extension length: extension type (2 bytes) | ||||
|      *                         + extension length (2 bytes) | ||||
|      *                         + protection profile length (2 bytes) | ||||
|      *                         + 2 * number of protection profiles | ||||
|      *                         + srtp_mki vector length(1 byte) | ||||
|      */ | ||||
|     *olen = 2 + 2 + 2 + 2 * ( ssl->conf->dtls_srtp_profile_list_len ) + 1 + mki_len; | ||||
| } | ||||
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
| 
 | ||||
| @ -1815,7 +1840,8 @@ static int ssl_parse_alpn_ext( mbedtls_ssl_context *ssl, | ||||
| 
 | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
| static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|                                const unsigned char *buf, size_t len ) | ||||
|                                    const unsigned char *buf, | ||||
|                                    size_t len ) | ||||
| { | ||||
|     mbedtls_ssl_srtp_profile server_protection = MBEDTLS_SRTP_UNSET_PROFILE; | ||||
|     size_t i, mki_len = 0; | ||||
| @ -1823,7 +1849,8 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     const mbedtls_ssl_srtp_profile_info * profile_info; | ||||
| 
 | ||||
|     /* If use_srtp is not configured, just ignore the extension */ | ||||
|     if( ( ssl->conf->dtls_srtp_profile_list == NULL ) || ( ssl->conf->dtls_srtp_profile_list_len == 0 ) ) | ||||
|     if( ssl->conf->dtls_srtp_profile_list == NULL || | ||||
|         ssl->conf->dtls_srtp_profile_list_len == 0  ) | ||||
|         return( 0 ); | ||||
| 
 | ||||
|     /* RFC5764 section 4.1.1
 | ||||
| @ -1838,21 +1865,32 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|      * | ||||
|      */ | ||||
|     if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED && | ||||
|                 ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|         ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|     { | ||||
|         mki_len = ssl->dtls_srtp_info.mki_len; | ||||
|     } | ||||
| 
 | ||||
|     /* Length is 5 and optional mki_value : one protection profile(2 bytes) + length(2 bytes) and srtp_mki */ | ||||
|     /*
 | ||||
|      * Length is 5 and optional mki_value : one protection profile(2 bytes) | ||||
|      *                                      + length(2 bytes) and srtp_mki | ||||
|      */ | ||||
|     if( ( len != 5 ) && ( len != ( 5 + mki_len ) ) ) | ||||
|         return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); | ||||
| 
 | ||||
|     /*
 | ||||
|      * get the server protection profile | ||||
|      */ | ||||
|     if (((uint16_t)( ( buf[0]<<8 ) | buf[1] ) ) != 0x0002) { /* protection profile length must be 0x0002 as we must have only one protection profile in server Hello */ | ||||
| 
 | ||||
|     /*
 | ||||
|      * protection profile length must be 0x0002 as we must have only | ||||
|      * one protection profile in server Hello | ||||
|      */ | ||||
|     if( ( (uint16_t)( ( buf[0] << 8 ) | buf[1] ) ) != 0x0002 ) | ||||
|     { | ||||
|         return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); | ||||
|     } else { | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         server_protection_profile_value = ( buf[2] << 8 ) | buf[3]; | ||||
|     } | ||||
| 
 | ||||
| @ -1863,7 +1901,7 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|      */ | ||||
|     for( i=0; i < ssl->conf->dtls_srtp_profile_list_len; i++) | ||||
|     { | ||||
|         switch ( server_protection_profile_value ) { | ||||
|         switch( server_protection_profile_value ) { | ||||
|             case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE: | ||||
|                 server_protection = MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80; | ||||
|                 break; | ||||
| @ -1886,7 +1924,7 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|             MBEDTLS_SSL_DEBUG_MSG( 3, ( "found srtp profile: %s", profile_info->name ) ); | ||||
|         } | ||||
| 
 | ||||
|         if (server_protection == ssl->conf->dtls_srtp_profile_list[i]) { | ||||
|         if( server_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 ) ); | ||||
|             break; | ||||
| @ -1897,10 +1935,11 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile == MBEDTLS_SRTP_UNSET_PROFILE ) | ||||
|     { | ||||
|         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, | ||||
|                                          MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); | ||||
|                                         MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE ); | ||||
|         return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); | ||||
|     } | ||||
|     /* RFC5764:
 | ||||
|     /*
 | ||||
|      * RFC5764: | ||||
|      *  If the client detects a nonzero-length MKI in the server's response | ||||
|      *  that is different than the one the client offered, then the client | ||||
|      *  MUST abort the handshake and SHOULD send an invalid_parameter alert. | ||||
| @ -1913,9 +1952,10 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|         return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); | ||||
|     } | ||||
| #if defined (MBEDTLS_DEBUG_C) | ||||
|     if( len > 5) | ||||
|     if( len > 5 ) | ||||
|     { | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "received mki",  ssl->dtls_srtp_info.mki_value, ssl->dtls_srtp_info.mki_len ); | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "received mki",  ssl->dtls_srtp_info.mki_value, | ||||
|                                                    ssl->dtls_srtp_info.mki_len ); | ||||
|     } | ||||
| #endif | ||||
|     return 0; | ||||
| @ -3469,14 +3509,13 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl ) | ||||
|     if( ssl->client_auth == 0 ) | ||||
|     { | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     /* check if we have a chosen srtp protection profile */ | ||||
|         if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|         /* check if we have a chosen srtp protection profile */ | ||||
|         if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|             ret = MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
| #endif | ||||
|             /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
|             /* Current message is probably the ServerHelloDone */ | ||||
|             ssl->keep_current_message = 1; | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
| @ -4129,8 +4168,8 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl ) | ||||
|     if( ssl->client_auth == 0 || mbedtls_ssl_own_cert( ssl ) == NULL ) | ||||
|     { | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     /* check if we have a chosen srtp protection profile */ | ||||
|         if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|         /* check if we have a chosen srtp protection profile */ | ||||
|         if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|             return ( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE ); | ||||
|         } | ||||
|         else | ||||
|  | ||||
| @ -778,15 +778,17 @@ static int ssl_parse_alpn_ext( mbedtls_ssl_context *ssl, | ||||
| 
 | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
| static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|                                const unsigned char *buf, size_t len ) | ||||
|                                    const unsigned char *buf, | ||||
|                                    size_t len ) | ||||
| { | ||||
|     mbedtls_ssl_srtp_profile client_protection = MBEDTLS_SRTP_UNSET_PROFILE; | ||||
|     size_t i,j; | ||||
|     size_t profile_length; | ||||
|     const mbedtls_ssl_srtp_profile_info * profile_info; | ||||
|     const mbedtls_ssl_srtp_profile_info *profile_info; | ||||
| 
 | ||||
|     /* If use_srtp is not configured, just ignore the extension */ | ||||
|     if( ( ssl->conf->dtls_srtp_profile_list == NULL ) || ( ssl->conf->dtls_srtp_profile_list_len == 0 ) ) | ||||
|     if( ssl->conf->dtls_srtp_profile_list == NULL || | ||||
|         ssl->conf->dtls_srtp_profile_list_len == 0 ) | ||||
|         return( 0 ); | ||||
| 
 | ||||
|     /* RFC5764 section 4.1.1
 | ||||
| @ -798,22 +800,28 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|      * } UseSRTPData; | ||||
| 
 | ||||
|      * SRTPProtectionProfile SRTPProtectionProfiles<2..2^16-1>; | ||||
|      * | ||||
|      */ | ||||
| 
 | ||||
|     /* Min length is 5: at least one protection profile(2 bytes) and length(2 bytes) + srtp_mki length(1 byte) */ | ||||
|     /*
 | ||||
|      * Min length is 5: at least one protection profile(2 bytes) | ||||
|      *                  and length(2 bytes) + srtp_mki length(1 byte) | ||||
|      */ | ||||
|     if( len < 5 ) | ||||
|         return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO ); | ||||
| 
 | ||||
|    ssl->dtls_srtp_info.chosen_dtls_srtp_profile = MBEDTLS_SRTP_UNSET_PROFILE; | ||||
| 
 | ||||
|     profile_length = ( buf[0] << 8 ) | buf[1]; /* first 2 bytes are protection profile length(in bytes) */ | ||||
|     /* first 2 bytes are protection profile length(in bytes) */ | ||||
|     profile_length = ( buf[0] << 8 ) | buf[1]; | ||||
| 
 | ||||
| 
 | ||||
|     /* parse the extension list values are defined in http://www.iana.org/assignments/srtp-protection/srtp-protection.xhtml */ | ||||
|     for( j=0; j < profile_length; j+=2 ) | ||||
|     /*
 | ||||
|      * parse the extension list values are defined in | ||||
|      * http://www.iana.org/assignments/srtp-protection/srtp-protection.xhtml
 | ||||
|      */ | ||||
|     for( j=0; j < profile_length; j += 2 ) | ||||
|     { | ||||
|         uint16_t protection_profile_value = buf[j+2]<<8 | buf[j+3]; /* +2 to skip the length field */ | ||||
|         /* + 2 to skip the length field */ | ||||
|         uint16_t protection_profile_value = buf[j + 2] << 8 | buf[j+3]; | ||||
| 
 | ||||
|         switch ( protection_profile_value ) | ||||
|         { | ||||
| @ -854,7 +862,7 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     if( ( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED ) && | ||||
|           ( len > ( profile_length + 2 ) ) ) | ||||
|     { | ||||
|         ssl->dtls_srtp_info.mki_len = buf[ profile_length + 2 ]; | ||||
|         ssl->dtls_srtp_info.mki_len = buf[profile_length + 2]; | ||||
|         if( ssl->dtls_srtp_info.mki_len > MBEDTLS_DTLS_SRTP_MAX_MKI_LENGTH ) | ||||
|         { | ||||
|             mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL, | ||||
| @ -863,13 +871,14 @@ static int ssl_parse_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|             return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO ); | ||||
|         } | ||||
| 
 | ||||
|         ssl->dtls_srtp_info.mki_len = buf[ profile_length + 2 ]; | ||||
|         ssl->dtls_srtp_info.mki_len = buf[profile_length + 2]; | ||||
|         for( i=0; i < ssl->dtls_srtp_info.mki_len; i++ ) | ||||
|         { | ||||
|             ssl->dtls_srtp_info.mki_value[i] = buf[ profile_length + 2 + 1 + i ]; | ||||
|             ssl->dtls_srtp_info.mki_value[i] = buf[profile_length + 2 + 1 + i]; | ||||
|         } | ||||
| 
 | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "using mki",  ssl->dtls_srtp_info.mki_value, ssl->dtls_srtp_info.mki_len ); | ||||
|         MBEDTLS_SSL_DEBUG_BUF( 3, "using mki",  ssl->dtls_srtp_info.mki_value, | ||||
|                                                 ssl->dtls_srtp_info.mki_len ); | ||||
|     } | ||||
| 
 | ||||
|      return( 0 ); | ||||
| @ -2611,7 +2620,8 @@ static void ssl_write_alpn_ext( mbedtls_ssl_context *ssl, | ||||
| 
 | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP ) && defined(MBEDTLS_SSL_PROTO_DTLS) | ||||
| static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|                                 unsigned char *buf, size_t *olen ) | ||||
|                                     unsigned char *buf, | ||||
|                                     size_t *olen ) | ||||
| { | ||||
|     size_t mki_len = 0, ext_len = 0, i; | ||||
| 
 | ||||
| @ -2624,7 +2634,7 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, adding use_srtp extension" ) ); | ||||
| 
 | ||||
|     if( ssl->conf->dtls_srtp_mki_support == MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED && | ||||
|                 ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|         ssl->dtls_srtp_info.mki_len != 0 ) | ||||
|     { | ||||
|         mki_len = ssl->dtls_srtp_info.mki_len; | ||||
|     } | ||||
| @ -2632,7 +2642,10 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     /* extension */ | ||||
|     buf[0] = (unsigned char)( ( MBEDTLS_TLS_EXT_USE_SRTP >> 8 ) & 0xFF ); | ||||
|     buf[1] = (unsigned char)( ( MBEDTLS_TLS_EXT_USE_SRTP      ) & 0xFF ); | ||||
|     /* total length 5 and mki value: only one profile(2 bytes) and length(2 bytes) and srtp_mki  ) */ | ||||
|     /*
 | ||||
|      * total length 5 and mki value: only one profile(2 bytes) | ||||
|      *              and length(2 bytes) and srtp_mki  ) | ||||
|      */ | ||||
|     ext_len = 5 + mki_len; | ||||
|     buf[2] = (unsigned char)( ( ext_len >> 8 ) & 0xFF ); | ||||
|     buf[3] = (unsigned char)( ext_len & 0xFF ); | ||||
| @ -2642,20 +2655,28 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     buf[5] = 0x02; | ||||
|     switch (ssl->dtls_srtp_info.chosen_dtls_srtp_profile) { | ||||
|         case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80: | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE >> 8) & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE     ) & 0xFF ); | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE >> 8 ) | ||||
|                                       & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80_IANA_VALUE     ) | ||||
|                                       & 0xFF ); | ||||
|             break; | ||||
|         case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32: | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE >> 8) & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE     ) & 0xFF ); | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE >> 8 ) | ||||
|                                       & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32_IANA_VALUE      ) | ||||
|                                       & 0xFF ); | ||||
|             break; | ||||
|         case MBEDTLS_SRTP_NULL_HMAC_SHA1_80: | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE >> 8) & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE     ) & 0xFF ); | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE >> 8 ) | ||||
|                                       & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_80_IANA_VALUE      ) | ||||
|                                       & 0xFF ); | ||||
|             break; | ||||
|         case MBEDTLS_SRTP_NULL_HMAC_SHA1_32: | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE >> 8) & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE     ) & 0xFF ); | ||||
|             buf[6] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE >> 8 ) | ||||
|                                       & 0xFF ); | ||||
|             buf[7] = (unsigned char)( ( MBEDTLS_SRTP_NULL_HMAC_SHA1_32_IANA_VALUE      ) | ||||
|                                       & 0xFF ); | ||||
|             break; | ||||
|         default: | ||||
|             *olen = 0; | ||||
| @ -2665,7 +2686,7 @@ static void ssl_write_use_srtp_ext( mbedtls_ssl_context *ssl, | ||||
|     buf[8] = mki_len & 0xFF; | ||||
|     for( i=0; i < mki_len; i++ ) | ||||
|     { | ||||
|         buf[ 9 + i ] = ssl->dtls_srtp_info.mki_value[i]; | ||||
|         buf[9 + i] = ssl->dtls_srtp_info.mki_value[i]; | ||||
|     } | ||||
| 
 | ||||
|     *olen = 9 + mki_len; | ||||
| @ -2961,7 +2982,7 @@ static int ssl_write_server_hello( mbedtls_ssl_context *ssl ) | ||||
| #endif | ||||
| 
 | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     ssl_write_use_srtp_ext( ssl, p + 2 + ext_len, &olen); | ||||
|     ssl_write_use_srtp_ext( ssl, p + 2 + ext_len, &olen ); | ||||
|     ext_len += olen; | ||||
| #endif | ||||
| 
 | ||||
| @ -3030,11 +3051,15 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) | ||||
|     else | ||||
| #endif | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     /* check if we have a chosen srtp protection profile, force verify mode to be at least OPTIONAL */ | ||||
|     if ( ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) && ( ssl->conf->authmode == MBEDTLS_SSL_VERIFY_NONE ) ) { | ||||
|     /*
 | ||||
|      * check if we have a chosen srtp protection profile, | ||||
|      * force verify mode to be at least OPTIONAL | ||||
|      */ | ||||
|     if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE && | ||||
|          ssl->conf->authmode == MBEDTLS_SSL_VERIFY_NONE ) { | ||||
|         authmode = MBEDTLS_SSL_VERIFY_OPTIONAL; | ||||
|     } | ||||
|         else | ||||
|     else | ||||
| #endif | ||||
|         authmode = ssl->conf->authmode; | ||||
| 
 | ||||
| @ -3045,7 +3070,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl ) | ||||
|     /* check if we have a chosen srtp protection profile */ | ||||
|         if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|             MBEDTLS_SSL_DEBUG_MSG( 2, ( "should not happen" ) ); | ||||
|             return ( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); | ||||
|             return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE ); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|  | ||||
| @ -873,19 +873,19 @@ static int ssl_populate_transform( mbedtls_ssl_transform *transform, | ||||
| 
 | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     /* check if we have a chosen srtp protection profile */ | ||||
|     if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|         /* derive key material for srtp session RFC5764 section 4.2 */ | ||||
|         /* master key and master salt are respectively 128 bits and 112 bits for all currently available modes :
 | ||||
|     if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|         /* derive key material for srtp session RFC5764 section 4.2
 | ||||
|          * master key and master salt are respectively 128 bits and 112 bits | ||||
|          * for all currently available modes : | ||||
|          * SRTP_AES128_CM_HMAC_SHA1_80, SRTP_AES128_CM_HMAC_SHA1_32 | ||||
|          * SRTP_NULL_HMAC_SHA1_80, SRTP_NULL_HMAC_SHA1_32 | ||||
|          * So we must export 2*(128 + 112) = 480 bits | ||||
|          */ | ||||
| 	ssl->dtls_srtp_info.dtls_srtp_keys_len = MBEDTLS_DTLS_SRTP_MAX_KEY_MATERIAL_LENGTH; | ||||
| 
 | ||||
| 	//ssl->dtls_srtp_info.dtls_srtp_keys = (unsigned char *)mbedtls_calloc(1, ssl->dtls_srtp_info.dtls_srtp_keys_len);
 | ||||
| 
 | ||||
| 	ret = tls_prf( master, 48, "EXTRACTOR-dtls_srtp", | ||||
| 			randbytes, 64, ssl->dtls_srtp_info.dtls_srtp_keys, ssl->dtls_srtp_info.dtls_srtp_keys_len ); | ||||
|         ret = tls_prf( master, 48, "EXTRACTOR-dtls_srtp", | ||||
|                        randbytes, 64, ssl->dtls_srtp_info.dtls_srtp_keys, | ||||
|                        ssl->dtls_srtp_info.dtls_srtp_keys_len ); | ||||
| 
 | ||||
|         if( ret != 0 ) | ||||
|         { | ||||
| @ -2113,9 +2113,9 @@ int mbedtls_ssl_write_certificate( mbedtls_ssl_context *ssl ) | ||||
|     if( !mbedtls_ssl_ciphersuite_uses_srv_cert( ciphersuite_info ) ) | ||||
|     { | ||||
| #if defined(MBEDTLS_SSL_DTLS_SRTP) | ||||
|     /* check if we have a chosen srtp protection profile */ | ||||
|         if ( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|             return ( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE ); | ||||
|         /* check if we have a chosen srtp protection profile */ | ||||
|         if( ssl->dtls_srtp_info.chosen_dtls_srtp_profile != MBEDTLS_SRTP_UNSET_PROFILE ) { | ||||
|             return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE ); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
| @ -2754,7 +2754,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl ) | ||||
|                        : ssl->dtls_srtp_info.chosen_dtls_srtp_profile != | ||||
|                                MBEDTLS_SRTP_UNSET_PROFILE | ||||
|                        && ssl->conf->authmode == MBEDTLS_SSL_VERIFY_NONE | ||||
|                        ? MBEDTLS_SSL_VERIFY_REQUIRED | ||||
|                        ? MBEDTLS_SSL_VERIFY_OPTIONAL | ||||
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
|                        : ssl->conf->authmode; | ||||
| #else | ||||
| @ -2763,7 +2763,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl ) | ||||
|             ssl->dtls_srtp_info.chosen_dtls_srtp_profile != | ||||
|                                            MBEDTLS_SRTP_UNSET_PROFILE && | ||||
|             ssl->conf->authmode == MBEDTLS_SSL_VERIFY_NONE ? | ||||
|             MBEDTLS_SSL_VERIFY_REQUIRED : | ||||
|             MBEDTLS_SSL_VERIFY_OPTIONAL : | ||||
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
|             ssl->conf->authmode; | ||||
| #endif | ||||
| @ -4762,12 +4762,15 @@ const mbedtls_ssl_srtp_profile_info *mbedtls_ssl_dtls_srtp_profile_info_from_id( | ||||
|     return( NULL ); | ||||
| } | ||||
| 
 | ||||
| void mbedtls_ssl_conf_srtp_mki_value_supported( mbedtls_ssl_config *conf, int support_mki_value ) | ||||
| void mbedtls_ssl_conf_srtp_mki_value_supported( mbedtls_ssl_config *conf, | ||||
|                                                 int support_mki_value ) | ||||
| { | ||||
|     conf->dtls_srtp_mki_support = support_mki_value; | ||||
| } | ||||
| 
 | ||||
| int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, unsigned char* mki_value, size_t mki_len ) | ||||
| int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, | ||||
|                                          unsigned char *mki_value, | ||||
|                                          size_t mki_len ) | ||||
| { | ||||
|     if ( mki_len > MBEDTLS_DTLS_SRTP_MAX_MKI_LENGTH ) | ||||
|         return MBEDTLS_ERR_SSL_BAD_INPUT_DATA; | ||||
| @ -4780,20 +4783,22 @@ int mbedtls_ssl_dtls_srtp_set_mki_value( mbedtls_ssl_context *ssl, unsigned char | ||||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, const mbedtls_ssl_srtp_profile *profiles, size_t profiles_number) | ||||
| int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, | ||||
|                                                     const mbedtls_ssl_srtp_profile *profiles, | ||||
|                                                     size_t profiles_number ) | ||||
| { | ||||
|     size_t i; | ||||
|     /* check in put validity : must be a list of profiles from enumeration */ | ||||
|     /* maximum length is 4 as only 4 protection profiles are defined */ | ||||
|     if (profiles_number>4) { | ||||
|             return MBEDTLS_ERR_SSL_BAD_INPUT_DATA; | ||||
|     if( profiles_number > 4 ) { | ||||
|         return MBEDTLS_ERR_SSL_BAD_INPUT_DATA; | ||||
|     } | ||||
| 
 | ||||
|     mbedtls_free(conf->dtls_srtp_profile_list); | ||||
|     conf->dtls_srtp_profile_list = (mbedtls_ssl_srtp_profile *)mbedtls_calloc(1, profiles_number*sizeof(mbedtls_ssl_srtp_profile)); | ||||
|     mbedtls_free( conf->dtls_srtp_profile_list ); | ||||
|     conf->dtls_srtp_profile_list = (mbedtls_ssl_srtp_profile*)mbedtls_calloc(1, profiles_number * sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
| 
 | ||||
|     for (i=0; i<profiles_number; i++) { | ||||
|         switch (profiles[i]) { | ||||
|     for( i=0; i < profiles_number; i++ ) { | ||||
|         switch( profiles[i] ) { | ||||
|             case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_80: | ||||
|             case MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32: | ||||
|             case MBEDTLS_SRTP_NULL_HMAC_SHA1_80: | ||||
| @ -4801,7 +4806,7 @@ int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, co | ||||
|                 conf->dtls_srtp_profile_list[i] = profiles[i]; | ||||
|                 break; | ||||
|             default: | ||||
|                 mbedtls_free(conf->dtls_srtp_profile_list); | ||||
|                 mbedtls_free( conf->dtls_srtp_profile_list ); | ||||
|                 conf->dtls_srtp_profile_list = NULL; | ||||
|                 conf->dtls_srtp_profile_list_len = 0; | ||||
|                 return MBEDTLS_ERR_SSL_BAD_INPUT_DATA; | ||||
| @ -4814,19 +4819,22 @@ int mbedtls_ssl_conf_dtls_srtp_protection_profiles( mbedtls_ssl_config *conf, co | ||||
|     return( 0 ); | ||||
| } | ||||
| 
 | ||||
| mbedtls_ssl_srtp_profile mbedtls_ssl_get_dtls_srtp_protection_profile( const mbedtls_ssl_context *ssl) | ||||
| mbedtls_ssl_srtp_profile mbedtls_ssl_get_dtls_srtp_protection_profile( const mbedtls_ssl_context *ssl ) | ||||
| { | ||||
|     return( ssl->dtls_srtp_info.chosen_dtls_srtp_profile); | ||||
|     return( ssl->dtls_srtp_info.chosen_dtls_srtp_profile ); | ||||
| } | ||||
| 
 | ||||
| int mbedtls_ssl_get_dtls_srtp_key_material( const mbedtls_ssl_context *ssl, unsigned char *key, size_t *key_len ) { | ||||
| int mbedtls_ssl_get_dtls_srtp_key_material( const mbedtls_ssl_context *ssl, | ||||
|                                             unsigned char *key, | ||||
|                                             size_t *key_len ) { | ||||
| 
 | ||||
|     /* check output buffer size */ | ||||
|     if ( *key_len < ssl->dtls_srtp_info.dtls_srtp_keys_len) { | ||||
|     if( *key_len < ssl->dtls_srtp_info.dtls_srtp_keys_len ) { | ||||
|         return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL; | ||||
|     } | ||||
| 
 | ||||
|     memcpy( key, ssl->dtls_srtp_info.dtls_srtp_keys, ssl->dtls_srtp_info.dtls_srtp_keys_len); | ||||
|     memcpy( key, ssl->dtls_srtp_info.dtls_srtp_keys, | ||||
|             ssl->dtls_srtp_info.dtls_srtp_keys_len ); | ||||
|     *key_len = ssl->dtls_srtp_info.dtls_srtp_keys_len; | ||||
| 
 | ||||
|     return 0; | ||||
| @ -6931,8 +6939,8 @@ void mbedtls_ssl_free( mbedtls_ssl_context *ssl ) | ||||
| #endif | ||||
| 
 | ||||
| #if defined (MBEDTLS_SSL_DTLS_SRTP) | ||||
|     mbedtls_platform_zeroize( ssl->dtls_srtp_info.dtls_srtp_keys, ssl->dtls_srtp_info.dtls_srtp_keys_len ); | ||||
|     //mbedtls_free( ssl->dtls_srtp_keys );
 | ||||
|     mbedtls_platform_zeroize( ssl->dtls_srtp_info.dtls_srtp_keys, | ||||
|                               ssl->dtls_srtp_info.dtls_srtp_keys_len ); | ||||
| #endif /* MBEDTLS_SSL_DTLS_SRTP */ | ||||
| 
 | ||||
|     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= free" ) ); | ||||
|  | ||||
| @ -561,7 +561,7 @@ struct options | ||||
|     int query_config_mode;      /* whether to read config                   */ | ||||
|     int use_srtp;               /* Support SRTP                             */ | ||||
|     int force_srtp_profile;     /* SRTP protection profile to use or all    */ | ||||
|     const char* mki;            /* The dtls mki value to use                */ | ||||
|     const char *mki;            /* The dtls mki value to use                */ | ||||
| } opt; | ||||
| 
 | ||||
| int query_config( const char *config ); | ||||
| @ -2285,7 +2285,9 @@ int main( int argc, char *argv[] ) | ||||
|         if( opt.force_srtp_profile != DFL_SRTP_FORCE_PROFILE ) | ||||
|         { | ||||
|             const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile }; | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, forced_profile, sizeof( forced_profile ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, | ||||
|                                                                   forced_profile, | ||||
|                                                                   sizeof( forced_profile ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
| @ -2293,7 +2295,9 @@ int main( int argc, char *argv[] ) | ||||
|                                                                   MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32, | ||||
|                                                                   MBEDTLS_SRTP_NULL_HMAC_SHA1_80, | ||||
|                                                                   MBEDTLS_SRTP_NULL_HMAC_SHA1_32 }; | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, default_profiles, sizeof( default_profiles ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, | ||||
|                                                                   default_profiles, | ||||
|                                                                   sizeof( default_profiles ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|         } | ||||
| 
 | ||||
|         if( ret != 0 ) | ||||
| @ -2557,7 +2561,8 @@ int main( int argc, char *argv[] ) | ||||
|         } | ||||
| 
 | ||||
|         mbedtls_ssl_conf_srtp_mki_value_supported( &conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED ); | ||||
|         if( ( ret = mbedtls_ssl_dtls_srtp_set_mki_value( &ssl, mki, strlen( mki )) ) != 0 ) | ||||
|         if( ( ret = mbedtls_ssl_dtls_srtp_set_mki_value( &ssl, mki, | ||||
|                                                          strlen( mki ) ) ) != 0 ) | ||||
|         { | ||||
|             mbedtls_printf( " failed\n  ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret ); | ||||
|             goto exit; | ||||
|  | ||||
| @ -3103,7 +3103,9 @@ int main( int argc, char *argv[] ) | ||||
|         if( opt.force_srtp_profile != DFL_SRTP_FORCE_PROFILE ) | ||||
|         { | ||||
|             const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile }; | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, forced_profile, sizeof( forced_profile ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, | ||||
|                                                                   forced_profile, | ||||
|                                                                   sizeof( forced_profile ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
| @ -3111,7 +3113,9 @@ int main( int argc, char *argv[] ) | ||||
|                                                                   MBEDTLS_SRTP_AES128_CM_HMAC_SHA1_32, | ||||
|                                                                   MBEDTLS_SRTP_NULL_HMAC_SHA1_80, | ||||
|                                                                   MBEDTLS_SRTP_NULL_HMAC_SHA1_32 }; | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, default_profiles, sizeof( default_profiles ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|             ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, | ||||
|                                                                   default_profiles, | ||||
|                                                                   sizeof( default_profiles ) / sizeof( mbedtls_ssl_srtp_profile ) ); | ||||
|         } | ||||
| 
 | ||||
|         if( ret != 0 ) | ||||
|  | ||||
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