Create structure ssl_config

This commit is contained in:
Manuel Pégourié-Gonnard 2015-04-30 18:03:08 +02:00
parent ee6139caea
commit fa6473d79b

View file

@ -786,6 +786,152 @@ struct mbedtls_ssl_flight_item
};
#endif /* MBEDTLS_SSL_PROTO_DTLS */
/**
* SSL/TLS configuration to be shared between ssl_context structures.
*/
typedef struct
{
/* Group items by size (largest first) to minimize padding overhead */
/*
* Pointers
*/
const int *ciphersuite_list[4]; /*!< allowed ciphersuites / version */
/** Callback for printing debug output */
void (*f_dbg)(void *, int, const char *);
void *p_dbg; /*!< context for the debug function */
/** Callback to retrieve a session from the cache */
int (*f_get_cache)(void *, mbedtls_ssl_session *);
void *p_get_cache; /*!< context for cache retrieval */
/** Callback to store a session into the cache */
int (*f_set_cache)(void *, const mbedtls_ssl_session *);
void *p_set_cache; /*!< context for cache store */
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
/** Callback for setting cert according to SNI extension */
int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
void *p_sni; /*!< context for SNI callback */
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C)
/** Callback to customize X.509 certificate chain verification */
int (*f_vrfy)(void *, mbedtls_x509_crt *, int, int *);
void *p_vrfy; /*!< context for X.509 verify calllback */
#endif
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
/** Callback to retrieve PSK key from identity */
int (*f_psk)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);
void *p_psk; /*!< context for PSK callback */
#endif
#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
/** Callback to create & write a cookie for ClientHello veirifcation */
int (*f_cookie_write)( void *, unsigned char **, unsigned char *,
const unsigned char *, size_t );
/** Callback to verify validity of a ClientHello cookie */
int (*f_cookie_check)( void *, const unsigned char *, size_t,
const unsigned char *, size_t );
void *p_cookie; /*!< context for the cookie callbacks */
#endif
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_ssl_key_cert *key_cert; /*!< own certificate/key pair(s) */
mbedtls_x509_crt *ca_chain; /*!< trusted CAs */
mbedtls_x509_crl *ca_crl; /*!< trusted CAs CRLs */
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#if defined(MBEDTLS_SSL_SET_CURVES)
const mbedtls_ecp_group_id *curve_list; /*!< allowed curves */
#endif
#if defined(MBEDTLS_DHM_C)
mbedtls_mpi dhm_P; /*!< prime modulus for DHM */
mbedtls_mpi dhm_G; /*!< generator for DHM */
#endif
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
unsigned char *psk; /*!< pre-shared key */
size_t psk_len; /*!< length of the pre-shared key */
unsigned char *psk_identity; /*!< identity for PSK negotiation */
size_t psk_identity_len;/*!< length of identity */
#endif
#if defined(MBEDTLS_SSL_ALPN)
const char **alpn_list; /*!< ordered list of protocols */
#endif
/*
* Numerical settings (int then char)
*/
#if defined(MBEDTLS_SSL_PROTO_DTLS)
uint32_t hs_timeout_min; /*!< initial value of the handshake
retransmission timeout */
uint32_t hs_timeout_max; /*!< maximum value of the handshake
retransmission timeout */
#endif
#if defined(MBEDTLS_SSL_RENEGOTIATION)
int renego_max_records; /*!< grace period for renegotiation */
unsigned char renego_period[8]; /*!< value of the record counters
that triggers renegotiation */
#endif
#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
unsigned int badmac_limit; /*!< limit of records with a bad MAC */
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
int ticket_lifetime; /*!< session ticket lifetime (seconds) */
#endif
unsigned char max_major_ver; /*!< max. major version used */
unsigned char max_minor_ver; /*!< max. minor version used */
unsigned char min_major_ver; /*!< min. major version used */
unsigned char min_minor_ver; /*!< min. minor version used */
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
unsigned char mfl_code; /*!< desired fragment length */
#endif
/*
* Flags (bitfields)
*/
unsigned int endpoint : 1; /*!< 0: client, 1: server */
unsigned int transport : 1; /*!< stream (TLS) or datagram (DTLS) */
unsigned int arc4_disabled : 1; /*!< blacklist RC4 ciphersuites? */
unsigned int authmode : 2; /*!< MBEDTLS_SSL_VERIFY_XXX */
/* needed even with renego disabled for LEGACY_BREAK_HANDSHAKE */
unsigned int allow_legacy_renegotiation : 2 ; /*!< MBEDTLS_LEGACY_XXX */
#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
unsigned int encrypt_then_mac : 1 ; /*!< negotiate encrypt-then-mac? */
#endif
#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
unsigned int extended_ms : 1; /*!< negotiate extended master secret? */
#endif
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
unsigned int anti_replay : 1; /*!< detect and prevent replay? */
#endif
#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
unsigned int cbc_record_splitting : 1; /*!< do cbc record splitting */
#endif
#if defined(MBEDTLS_SSL_RENEGOTIATION)
unsigned int disable_renegotiation : 1; /*!< disable renegotiation? */
#endif
#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
unsigned int trunc_hmac : 1; /*!< negotiate truncated hmac? */
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
unsigned int session_tickets : 1; /*!< use session tickets? */
#endif
}
mbedtls_ssl_config;
struct mbedtls_ssl_context
{
/*
@ -842,7 +988,6 @@ struct mbedtls_ssl_context
void *p_bio; /*!< context for I/O operations */
void *p_get_cache; /*!< context for cache retrieval */
void *p_set_cache; /*!< context for cache store */
void *p_hw_data; /*!< context for HW acceleration */
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
int (*f_sni)(void *, mbedtls_ssl_context *, const unsigned char *, size_t);