diff options
author | Ben Laurie <ben@openssl.org> | 2011-11-13 21:55:42 +0000 |
---|---|---|
committer | Ben Laurie <ben@openssl.org> | 2011-11-13 21:55:42 +0000 |
commit | 68b33cc5c7aa1bb98e95bfb4b61c34192a7a50e3 (patch) | |
tree | 8c4298a1cc0487b3223a06764fe5f338f9691ad8 /ssl/ssl.h | |
parent | 4c02cf8ecc4b4cedeb6b6c11185f5d3e49c3cd4a (diff) |
Add Next Protocol Negotiation.
Diffstat (limited to 'ssl/ssl.h')
-rw-r--r-- | ssl/ssl.h | 61 |
1 files changed, 61 insertions, 0 deletions
@@ -917,9 +917,28 @@ struct ssl_ctx_st int (*tlsext_status_cb)(SSL *ssl, void *arg); void *tlsext_status_arg; +# ifndef OPENSSL_NO_NEXTPROTONEG + /* Next protocol negotiation information */ + /* (for experimental NPN extension). */ + + /* For a server, this contains a callback function by which the set of + * advertised protocols can be provided. */ + int (*next_protos_advertised_cb)(SSL *s, const unsigned char **buf, + unsigned int *len, void *arg); + void *next_protos_advertised_cb_arg; + /* For a client, this contains a callback function that selects the + * next protocol from the list provided by the server. */ + int (*next_proto_select_cb)(SSL *s, unsigned char **out, + unsigned char *outlen, + const unsigned char *in, + unsigned int inlen, + void *arg); + void *next_proto_select_cb_arg; + /* draft-rescorla-tls-opaque-prf-input-00.txt information */ int (*tlsext_opaque_prf_input_callback)(SSL *, void *peerinput, size_t len, void *arg); void *tlsext_opaque_prf_input_callback_arg; +# endif #endif #ifndef OPENSSL_NO_PSK @@ -996,6 +1015,32 @@ int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e); #endif void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)); void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)); +#ifndef OPENSSL_NO_NEXTPROTONEG +void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s, + int (*cb) (SSL *ssl, + const unsigned char **out, + unsigned int *outlen, + void *arg), + void *arg); +void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s, + int (*cb) (SSL *ssl, + unsigned char **out, + unsigned char *outlen, + const unsigned char *in, + unsigned int inlen, + void *arg), + void *arg); + +int SSL_select_next_proto(unsigned char **out, unsigned char *outlen, + const unsigned char *in, unsigned int inlen, + const unsigned char *client, unsigned int client_len); +void SSL_get0_next_proto_negotiated(const SSL *s, + const unsigned char **data, unsigned *len); + +#define OPENSSL_NPN_UNSUPPORTED 0 +#define OPENSSL_NPN_NEGOTIATED 1 +#define OPENSSL_NPN_NO_OVERLAP 2 +#endif #ifndef OPENSSL_NO_PSK /* the maximum length of the buffer given to callbacks containing the @@ -1260,6 +1305,19 @@ struct ssl_st void *tls_session_secret_cb_arg; SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */ + +#ifndef OPENSSL_NO_NEXTPROTONEG + /* Next protocol negotiation. For the client, this is the protocol that + * we sent in NextProtocol and is set when handling ServerHello + * extensions. + * + * For a server, this is the client's selected_protocol from + * NextProtocol and is set when handling the NextProtocol message, + * before the Finished message. */ + unsigned char *next_proto_negotiated; + unsigned char next_proto_negotiated_len; +#endif + #define session_ctx initial_ctx #else #define session_ctx ctx @@ -2046,6 +2104,7 @@ void ERR_load_SSL_strings(void); #define SSL_F_SSL3_GET_KEY_EXCHANGE 141 #define SSL_F_SSL3_GET_MESSAGE 142 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET 283 +#define SSL_F_SSL3_GET_NEXT_PROTO 305 #define SSL_F_SSL3_GET_RECORD 143 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE 144 #define SSL_F_SSL3_GET_SERVER_DONE 145 @@ -2250,6 +2309,8 @@ void ERR_load_SSL_strings(void); #define SSL_R_EXCESSIVE_MESSAGE_SIZE 152 #define SSL_R_EXTRA_DATA_IN_MESSAGE 153 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS 154 +#define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS 355 +#define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION 356 #define SSL_R_HTTPS_PROXY_REQUEST 155 #define SSL_R_HTTP_REQUEST 156 #define SSL_R_ILLEGAL_PADDING 283 |