X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fssl_locl.h;h=f9c4e127f4f2e7cf725bee1e08d05291e436c76a;hp=f3ce4606655ad050dfccdcc8854106f86e36e1cd;hb=857048a7f339913fc4e510ddf033878850c655cd;hpb=63c574f6a639cfa3f53476080054526e6bfa3bc9 diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h index f3ce460665..f9c4e127f4 100644 --- a/ssl/ssl_locl.h +++ b/ssl/ssl_locl.h @@ -165,6 +165,8 @@ # include # include +#include "record/record.h" + # ifdef OPENSSL_BUILD_SHLIBSSL # undef OPENSSL_EXTERN # define OPENSSL_EXTERN OPENSSL_EXPORT @@ -298,8 +300,6 @@ # define SSL_kDHE 0x00000008L /* synonym */ # define SSL_kEDH SSL_kDHE -/* Kerberos5 key exchange */ -# define SSL_kKRB5 0x00000010L /* ECDH cert, RSA CA cert */ # define SSL_kECDHr 0x00000020L /* ECDH cert, ECDSA CA cert */ @@ -326,8 +326,6 @@ # define SSL_aDH 0x00000008L /* Fixed ECDH auth (kECDHe or kECDHr) */ # define SSL_aECDH 0x00000010L -/* KRB5 auth */ -# define SSL_aKRB5 0x00000020L /* ECDSA auth*/ # define SSL_aECDSA 0x00000040L /* PSK auth */ @@ -520,6 +518,901 @@ #define CERT_PRIVATE_KEY 2 */ +/* used to hold info on the particular ciphers used */ +struct ssl_cipher_st { + int valid; + const char *name; /* text name */ + unsigned long id; /* id, 4 bytes, first is version */ + /* + * changed in 0.9.9: these four used to be portions of a single value + * 'algorithms' + */ + unsigned long algorithm_mkey; /* key exchange algorithm */ + unsigned long algorithm_auth; /* server authentication */ + unsigned long algorithm_enc; /* symmetric encryption */ + unsigned long algorithm_mac; /* symmetric authentication */ + unsigned long algorithm_ssl; /* (major) protocol version */ + unsigned long algo_strength; /* strength and export flags */ + unsigned long algorithm2; /* Extra flags */ + int strength_bits; /* Number of bits really used */ + int alg_bits; /* Number of bits for algorithm */ +}; + +/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */ +struct ssl_method_st { + int version; + int (*ssl_new) (SSL *s); + void (*ssl_clear) (SSL *s); + void (*ssl_free) (SSL *s); + int (*ssl_accept) (SSL *s); + int (*ssl_connect) (SSL *s); + int (*ssl_read) (SSL *s, void *buf, int len); + int (*ssl_peek) (SSL *s, void *buf, int len); + int (*ssl_write) (SSL *s, const void *buf, int len); + int (*ssl_shutdown) (SSL *s); + int (*ssl_renegotiate) (SSL *s); + int (*ssl_renegotiate_check) (SSL *s); + long (*ssl_get_message) (SSL *s, int st1, int stn, int mt, long + max, int *ok); + int (*ssl_read_bytes) (SSL *s, int type, unsigned char *buf, int len, + int peek); + int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); + int (*ssl_dispatch_alert) (SSL *s); + long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); + long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); + const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); + int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); + int (*ssl_pending) (const SSL *s); + int (*num_ciphers) (void); + const SSL_CIPHER *(*get_cipher) (unsigned ncipher); + const struct ssl_method_st *(*get_ssl_method) (int version); + long (*get_timeout) (void); + const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ + int (*ssl_version) (void); + long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); + long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); +}; + +/*- + * Lets make this into an ASN.1 type structure as follows + * SSL_SESSION_ID ::= SEQUENCE { + * version INTEGER, -- structure version number + * SSLversion INTEGER, -- SSL version number + * Cipher OCTET STRING, -- the 3 byte cipher ID + * Session_ID OCTET STRING, -- the Session ID + * Master_key OCTET STRING, -- the master key + * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument + * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time + * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds + * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate + * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context + * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' + * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension + * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint + * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity + * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket + * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) + * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method + * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username + * flags [ 13 ] EXPLICIT INTEGER -- optional flags + * } + * Look in ssl/ssl_asn1.c for more details + * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). + */ +struct ssl_session_st { + int ssl_version; /* what ssl version session info is being + * kept in here? */ + int master_key_length; + unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; + /* session_id - valid? */ + unsigned int session_id_length; + unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; + /* + * this is used to determine whether the session is being reused in the + * appropriate context. It is up to the application to set this, via + * SSL_new + */ + unsigned int sid_ctx_length; + unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; +# ifndef OPENSSL_NO_PSK + char *psk_identity_hint; + char *psk_identity; +# endif + /* + * Used to indicate that session resumption is not allowed. Applications + * can also set this bit for a new session via not_resumable_session_cb + * to disable session caching and tickets. + */ + int not_resumable; + /* The cert is the certificate used to establish this connection */ + struct sess_cert_st /* SESS_CERT */ *sess_cert; + /* + * This is the cert for the other end. On clients, it will be the same as + * sess_cert->peer_key->x509 (the latter is not enough as sess_cert is + * not retained in the external representation of sessions, see + * ssl_asn1.c). + */ + X509 *peer; + /* + * when app_verify_callback accepts a session where the peer's + * certificate is not ok, we must remember the error for session reuse: + */ + long verify_result; /* only for servers */ + int references; + long timeout; + long time; + unsigned int compress_meth; /* Need to lookup the method */ + const SSL_CIPHER *cipher; + unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used + * to load the 'cipher' structure */ + STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ + CRYPTO_EX_DATA ex_data; /* application specific data */ + /* + * These are used to make removal of session-ids more efficient and to + * implement a maximum cache size. + */ + struct ssl_session_st *prev, *next; +# ifndef OPENSSL_NO_TLSEXT + char *tlsext_hostname; +# ifndef OPENSSL_NO_EC + size_t tlsext_ecpointformatlist_length; + unsigned char *tlsext_ecpointformatlist; /* peer's list */ + size_t tlsext_ellipticcurvelist_length; + unsigned char *tlsext_ellipticcurvelist; /* peer's list */ +# endif /* OPENSSL_NO_EC */ + /* RFC4507 info */ + unsigned char *tlsext_tick; /* Session ticket */ + size_t tlsext_ticklen; /* Session ticket length */ + unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ +# endif +# ifndef OPENSSL_NO_SRP + char *srp_username; +# endif + long flags; +}; + +/* Extended master secret support */ +# define SSL_SESS_FLAG_EXTMS 0x1 + + +# ifndef OPENSSL_NO_SRP + +typedef struct srp_ctx_st { + /* param for all the callbacks */ + void *SRP_cb_arg; + /* set client Hello login callback */ + int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); + /* set SRP N/g param callback for verification */ + int (*SRP_verify_param_callback) (SSL *, void *); + /* set SRP client passwd callback */ + char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); + char *login; + BIGNUM *N, *g, *s, *B, *A; + BIGNUM *a, *b, *v; + char *info; + int strength; + unsigned long srp_Mask; +} SRP_CTX; + +# endif + +typedef struct ssl_comp_st SSL_COMP; + +struct ssl_comp_st { + int id; + const char *name; + COMP_METHOD *method; +}; + +DECLARE_STACK_OF(SSL_COMP) +DECLARE_LHASH_OF(SSL_SESSION); + +struct ssl_ctx_st { + const SSL_METHOD *method; + STACK_OF(SSL_CIPHER) *cipher_list; + /* same as above but sorted for lookup */ + STACK_OF(SSL_CIPHER) *cipher_list_by_id; + struct x509_store_st /* X509_STORE */ *cert_store; + LHASH_OF(SSL_SESSION) *sessions; + /* + * Most session-ids that will be cached, default is + * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. + */ + unsigned long session_cache_size; + struct ssl_session_st *session_cache_head; + struct ssl_session_st *session_cache_tail; + /* + * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, + * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which + * means only SSL_accept which cache SSL_SESSIONS. + */ + int session_cache_mode; + /* + * If timeout is not 0, it is the default timeout value set when + * SSL_new() is called. This has been put in to make life easier to set + * things up + */ + long session_timeout; + /* + * If this callback is not null, it will be called each time a session id + * is added to the cache. If this function returns 1, it means that the + * callback will do a SSL_SESSION_free() when it has finished using it. + * Otherwise, on 0, it means the callback has finished with it. If + * remove_session_cb is not null, it will be called when a session-id is + * removed from the cache. After the call, OpenSSL will + * SSL_SESSION_free() it. + */ + int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); + void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); + SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, + unsigned char *data, int len, int *copy); + struct { + int sess_connect; /* SSL new conn - started */ + int sess_connect_renegotiate; /* SSL reneg - requested */ + int sess_connect_good; /* SSL new conne/reneg - finished */ + int sess_accept; /* SSL new accept - started */ + int sess_accept_renegotiate; /* SSL reneg - requested */ + int sess_accept_good; /* SSL accept/reneg - finished */ + int sess_miss; /* session lookup misses */ + int sess_timeout; /* reuse attempt on timeouted session */ + int sess_cache_full; /* session removed due to full cache */ + int sess_hit; /* session reuse actually done */ + int sess_cb_hit; /* session-id that was not in the cache was + * passed back via the callback. This + * indicates that the application is + * supplying session-id's from other + * processes - spooky :-) */ + } stats; + + int references; + + /* if defined, these override the X509_verify_cert() calls */ + int (*app_verify_callback) (X509_STORE_CTX *, void *); + void *app_verify_arg; + /* + * before OpenSSL 0.9.7, 'app_verify_arg' was ignored + * ('app_verify_callback' was called with just one argument) + */ + + /* Default password callback. */ + pem_password_cb *default_passwd_callback; + + /* Default password callback user data. */ + void *default_passwd_callback_userdata; + + /* get client cert callback */ + int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); + + /* cookie generate callback */ + int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, + unsigned int *cookie_len); + + /* verify cookie callback */ + int (*app_verify_cookie_cb) (SSL *ssl, unsigned char *cookie, + unsigned int cookie_len); + + CRYPTO_EX_DATA ex_data; + + const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ + const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ + + STACK_OF(X509) *extra_certs; + STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ + + /* Default values used when no per-SSL value is defined follow */ + + /* used if SSL's info_callback is NULL */ + void (*info_callback) (const SSL *ssl, int type, int val); + + /* what we put in client cert requests */ + STACK_OF(X509_NAME) *client_CA; + + /* + * Default values to use in SSL structures follow (these are copied by + * SSL_new) + */ + + unsigned long options; + unsigned long mode; + long max_cert_list; + + struct cert_st /* CERT */ *cert; + int read_ahead; + + /* callback that allows applications to peek at protocol messages */ + void (*msg_callback) (int write_p, int version, int content_type, + const void *buf, size_t len, SSL *ssl, void *arg); + void *msg_callback_arg; + + int verify_mode; + unsigned int sid_ctx_length; + unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; + /* called 'verify_callback' in the SSL */ + int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); + + /* Default generate session ID callback. */ + GEN_SESSION_CB generate_session_id; + + X509_VERIFY_PARAM *param; + + int quiet_shutdown; + + /* + * Maximum amount of data to send in one fragment. actual record size can + * be more than this due to padding and MAC overheads. + */ + unsigned int max_send_fragment; + +# ifndef OPENSSL_NO_ENGINE + /* + * Engine to pass requests for client certs to + */ + ENGINE *client_cert_engine; +# endif + +# ifndef OPENSSL_NO_TLSEXT + /* TLS extensions servername callback */ + int (*tlsext_servername_callback) (SSL *, int *, void *); + void *tlsext_servername_arg; + /* RFC 4507 session ticket keys */ + unsigned char tlsext_tick_key_name[16]; + unsigned char tlsext_tick_hmac_key[16]; + unsigned char tlsext_tick_aes_key[16]; + /* Callback to support customisation of ticket key setting */ + int (*tlsext_ticket_key_cb) (SSL *ssl, + unsigned char *name, unsigned char *iv, + EVP_CIPHER_CTX *ectx, + HMAC_CTX *hctx, int enc); + + /* certificate status request info */ + /* Callback for status request */ + int (*tlsext_status_cb) (SSL *ssl, void *arg); + void *tlsext_status_arg; +# endif + +# ifndef OPENSSL_NO_PSK + char *psk_identity_hint; + unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, + char *identity, + unsigned int max_identity_len, + unsigned char *psk, + unsigned int max_psk_len); + unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, + unsigned char *psk, + unsigned int max_psk_len); +# endif + +# ifndef OPENSSL_NO_SRP + SRP_CTX srp_ctx; /* ctx for SRP authentication */ +# endif + +# ifndef OPENSSL_NO_TLSEXT + +# 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; +# endif + + /* + * ALPN information (we are in the process of transitioning from NPN to + * ALPN.) + */ + + /*- + * For a server, this contains a callback function that allows the + * server to select the protocol for the connection. + * out: on successful return, this must point to the raw protocol + * name (without the length prefix). + * outlen: on successful return, this contains the length of |*out|. + * in: points to the client's list of supported protocols in + * wire-format. + * inlen: the length of |in|. + */ + int (*alpn_select_cb) (SSL *s, + const unsigned char **out, + unsigned char *outlen, + const unsigned char *in, + unsigned int inlen, void *arg); + void *alpn_select_cb_arg; + + /* + * For a client, this contains the list of supported protocols in wire + * format. + */ + unsigned char *alpn_client_proto_list; + unsigned alpn_client_proto_list_len; + + /* SRTP profiles we are willing to do from RFC 5764 */ + STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; +# endif + /* + * Callback for disabling session caching and ticket support on a session + * basis, depending on the chosen cipher. + */ + int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); +# ifndef OPENSSL_NO_EC + /* EC extension values inherited by SSL structure */ + size_t tlsext_ecpointformatlist_length; + unsigned char *tlsext_ecpointformatlist; + size_t tlsext_ellipticcurvelist_length; + unsigned char *tlsext_ellipticcurvelist; +# endif /* OPENSSL_NO_EC */ +}; + + +struct ssl_st { + /* + * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, + * DTLS1_VERSION) + */ + int version; + /* SSL_ST_CONNECT or SSL_ST_ACCEPT */ + int type; + /* SSLv3 */ + const SSL_METHOD *method; + /* + * There are 2 BIO's even though they are normally both the same. This + * is so data can be read and written to different handlers + */ + /* used by SSL_read */ + BIO *rbio; + /* used by SSL_write */ + BIO *wbio; + /* used during session-id reuse to concatenate messages */ + BIO *bbio; + /* + * This holds a variable that indicates what we were doing when a 0 or -1 + * is returned. This is needed for non-blocking IO so we know what + * request needs re-doing when in SSL_accept or SSL_connect + */ + int rwstate; + /* true when we are actually in SSL_accept() or SSL_connect() */ + int in_handshake; + int (*handshake_func) (SSL *); + /* + * Imagine that here's a boolean member "init" that is switched as soon + * as SSL_set_{accept/connect}_state is called for the first time, so + * that "state" and "handshake_func" are properly initialized. But as + * handshake_func is == 0 until then, we use this test instead of an + * "init" member. + */ + /* are we the server side? - mostly used by SSL_clear */ + int server; + /* + * Generate a new session or reuse an old one. + * NB: For servers, the 'new' session may actually be a previously + * cached session or even the previous session unless + * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set + */ + int new_session; + /* don't send shutdown packets */ + int quiet_shutdown; + /* we have shut things down, 0x01 sent, 0x02 for received */ + int shutdown; + /* where we are */ + int state; + BUF_MEM *init_buf; /* buffer used during init */ + void *init_msg; /* pointer to handshake message body, set by + * ssl3_get_message() */ + int init_num; /* amount read/written */ + int init_off; /* amount read/written */ + + struct ssl3_state_st *s3; /* SSLv3 variables */ + struct dtls1_state_st *d1; /* DTLSv1 variables */ + + /* callback that allows applications to peek at protocol messages */ + void (*msg_callback) (int write_p, int version, int content_type, + const void *buf, size_t len, SSL *ssl, void *arg); + void *msg_callback_arg; + int hit; /* reusing a previous session */ + X509_VERIFY_PARAM *param; + /* crypto */ + STACK_OF(SSL_CIPHER) *cipher_list; + STACK_OF(SSL_CIPHER) *cipher_list_by_id; + /* + * These are the ones being used, the ones in SSL_SESSION are the ones to + * be 'copied' into these ones + */ + int mac_flags; + EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ + EVP_MD_CTX *read_hash; /* used for mac generation */ + COMP_CTX *compress; /* compression */ + COMP_CTX *expand; /* uncompress */ + EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ + EVP_MD_CTX *write_hash; /* used for mac generation */ + /* session info */ + /* client cert? */ + /* This is used to hold the server certificate used */ + struct cert_st /* CERT */ *cert; + /* + * the session_id_context is used to ensure sessions are only reused in + * the appropriate context + */ + unsigned int sid_ctx_length; + unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; + /* This can also be in the session once a session is established */ + SSL_SESSION *session; + /* Default generate session ID callback. */ + GEN_SESSION_CB generate_session_id; + /* Used in SSL3 */ + /* + * 0 don't care about verify failure. + * 1 fail if verify fails + */ + int verify_mode; + /* fail if callback returns 0 */ + int (*verify_callback) (int ok, X509_STORE_CTX *ctx); + /* optional informational callback */ + void (*info_callback) (const SSL *ssl, int type, int val); + /* error bytes to be written */ + int error; + /* actual code */ + int error_code; +# ifndef OPENSSL_NO_PSK + unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, + char *identity, + unsigned int max_identity_len, + unsigned char *psk, + unsigned int max_psk_len); + unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, + unsigned char *psk, + unsigned int max_psk_len); +# endif + SSL_CTX *ctx; + /* + * set this flag to 1 and a sleep(1) is put into all SSL_read() and + * SSL_write() calls, good for nbio debuging :-) + */ + int debug; + /* extra application data */ + long verify_result; + CRYPTO_EX_DATA ex_data; + /* for server side, keep the list of CA_dn we can use */ + STACK_OF(X509_NAME) *client_CA; + int references; + /* protocol behaviour */ + unsigned long options; + /* API behaviour */ + unsigned long mode; + long max_cert_list; + int first_packet; + /* what was passed, used for SSLv3/TLS rollback check */ + int client_version; + unsigned int max_send_fragment; +# ifndef OPENSSL_NO_TLSEXT + /* TLS extension debug callback */ + void (*tlsext_debug_cb) (SSL *s, int client_server, int type, + unsigned char *data, int len, void *arg); + void *tlsext_debug_arg; + char *tlsext_hostname; + /*- + * no further mod of servername + * 0 : call the servername extension callback. + * 1 : prepare 2, allow last ack just after in server callback. + * 2 : don't call servername callback, no ack in server hello + */ + int servername_done; + /* certificate status request info */ + /* Status type or -1 if no status type */ + int tlsext_status_type; + /* Expect OCSP CertificateStatus message */ + int tlsext_status_expected; + /* OCSP status request only */ + STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; + X509_EXTENSIONS *tlsext_ocsp_exts; + /* OCSP response received or to be sent */ + unsigned char *tlsext_ocsp_resp; + int tlsext_ocsp_resplen; + /* RFC4507 session ticket expected to be received or sent */ + int tlsext_ticket_expected; +# ifndef OPENSSL_NO_EC + size_t tlsext_ecpointformatlist_length; + /* our list */ + unsigned char *tlsext_ecpointformatlist; + size_t tlsext_ellipticcurvelist_length; + /* our list */ + unsigned char *tlsext_ellipticcurvelist; +# endif /* OPENSSL_NO_EC */ + /* TLS Session Ticket extension override */ + TLS_SESSION_TICKET_EXT *tlsext_session_ticket; + /* TLS Session Ticket extension callback */ + tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; + void *tls_session_ticket_ext_cb_arg; + /* TLS pre-shared secret session resumption */ + tls_session_secret_cb_fn tls_session_secret_cb; + 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 + /* What we'll do */ + STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; + /* What's been chosen */ + SRTP_PROTECTION_PROFILE *srtp_profile; + /*- + * Is use of the Heartbeat extension negotiated? + * 0: disabled + * 1: enabled + * 2: enabled, but not allowed to send Requests + */ + unsigned int tlsext_heartbeat; + /* Indicates if a HeartbeatRequest is in flight */ + unsigned int tlsext_hb_pending; + /* HeartbeatRequest sequence number */ + unsigned int tlsext_hb_seq; + /* + * For a client, this contains the list of supported protocols in wire + * format. + */ + unsigned char *alpn_client_proto_list; + unsigned alpn_client_proto_list_len; +# else +# define session_ctx ctx +# endif /* OPENSSL_NO_TLSEXT */ + /*- + * 1 if we are renegotiating. + * 2 if we are a server and are inside a handshake + * (i.e. not just sending a HelloRequest) + */ + int renegotiate; +# ifndef OPENSSL_NO_SRP + /* ctx for SRP authentication */ + SRP_CTX srp_ctx; +# endif + /* + * Callback for disabling session caching and ticket support on a session + * basis, depending on the chosen cipher. + */ + int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); + + RECORD_LAYER rlayer; +}; + + +typedef struct ssl3_state_st { + long flags; + int delay_buf_pop_ret; + int read_mac_secret_size; + unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; + int write_mac_secret_size; + unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; + unsigned char server_random[SSL3_RANDOM_SIZE]; + unsigned char client_random[SSL3_RANDOM_SIZE]; + /* flags for countermeasure against known-IV weakness */ + int need_empty_fragments; + int empty_fragment_done; + /* The value of 'extra' when the buffers were initialized */ + int init_extra; + /* used during startup, digest all incoming/outgoing packets */ + BIO *handshake_buffer; + /* + * When set of handshake digests is determined, buffer is hashed and + * freed and MD_CTX-es for all required digests are stored in this array + */ + EVP_MD_CTX **handshake_dgst; + /* + * Set whenever an expected ChangeCipherSpec message is processed. + * Unset when the peer's Finished message is received. + * Unexpected ChangeCipherSpec messages trigger a fatal alert. + */ + int change_cipher_spec; + int warn_alert; + int fatal_alert; + /* + * we allow one fatal and one warning alert to be outstanding, send close + * alert via the warning alert + */ + int alert_dispatch; + unsigned char send_alert[2]; + /* + * This flag is set when we should renegotiate ASAP, basically when there + * is no more data in the read or write buffers + */ + int renegotiate; + int total_renegotiations; + int num_renegotiations; + int in_read_app_data; + struct { + /* actually only needs to be 16+20 */ + unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2]; + /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ + unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; + int finish_md_len; + unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; + int peer_finish_md_len; + unsigned long message_size; + int message_type; + /* used to hold the new cipher we are going to use */ + const SSL_CIPHER *new_cipher; +# ifndef OPENSSL_NO_DH + DH *dh; +# endif +# ifndef OPENSSL_NO_EC + EC_KEY *ecdh; /* holds short lived ECDH key */ +# endif + /* used when SSL_ST_FLUSH_DATA is entered */ + int next_state; + int reuse_message; + /* used for certificate requests */ + int cert_req; + int ctype_num; + char ctype[SSL3_CT_NUMBER]; + STACK_OF(X509_NAME) *ca_names; + int use_rsa_tmp; + int key_block_length; + unsigned char *key_block; + const EVP_CIPHER *new_sym_enc; + const EVP_MD *new_hash; + int new_mac_pkey_type; + int new_mac_secret_size; +# ifndef OPENSSL_NO_COMP + const SSL_COMP *new_compression; +# else + char *new_compression; +# endif + int cert_request; + } tmp; + + /* Connection binding to prevent renegotiation attacks */ + unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; + unsigned char previous_client_finished_len; + unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; + unsigned char previous_server_finished_len; + int send_connection_binding; /* TODOEKR */ + +# ifndef OPENSSL_NO_NEXTPROTONEG + /* + * Set if we saw the Next Protocol Negotiation extension from our peer. + */ + int next_proto_neg_seen; +# endif + +# ifndef OPENSSL_NO_TLSEXT + + /* + * ALPN information (we are in the process of transitioning from NPN to + * ALPN.) + */ + + /* + * In a server these point to the selected ALPN protocol after the + * ClientHello has been processed. In a client these contain the protocol + * that the server selected once the ServerHello has been processed. + */ + unsigned char *alpn_selected; + unsigned alpn_selected_len; + +# ifndef OPENSSL_NO_EC + /* + * This is set to true if we believe that this is a version of Safari + * running on OS X 10.6 or newer. We wish to know this because Safari on + * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. + */ + char is_probably_safari; +# endif /* !OPENSSL_NO_EC */ + +# endif /* !OPENSSL_NO_TLSEXT */ +} SSL3_STATE; + + +/* DTLS structures */ + +# ifndef OPENSSL_NO_SCTP +# define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" +# endif + +/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ +# define DTLS1_MAX_MTU_OVERHEAD 48 + +struct dtls1_retransmit_state { + EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ + EVP_MD_CTX *write_hash; /* used for mac generation */ + COMP_CTX *compress; /* compression */ + SSL_SESSION *session; + unsigned short epoch; +}; + +struct hm_header_st { + unsigned char type; + unsigned long msg_len; + unsigned short seq; + unsigned long frag_off; + unsigned long frag_len; + unsigned int is_ccs; + struct dtls1_retransmit_state saved_retransmit_state; +}; + +struct ccs_header_st { + unsigned char type; + unsigned short seq; +}; + +struct dtls1_timeout_st { + /* Number of read timeouts so far */ + unsigned int read_timeouts; + /* Number of write timeouts so far */ + unsigned int write_timeouts; + /* Number of alerts received so far */ + unsigned int num_alerts; +}; + +typedef struct hm_fragment_st { + struct hm_header_st msg_header; + unsigned char *fragment; + unsigned char *reassembly; +} hm_fragment; + +typedef struct dtls1_state_st { + unsigned int send_cookie; + unsigned char cookie[DTLS1_COOKIE_LENGTH]; + unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH]; + unsigned int cookie_len; + + /* handshake message numbers */ + unsigned short handshake_write_seq; + unsigned short next_handshake_write_seq; + unsigned short handshake_read_seq; + + /* Buffered handshake messages */ + pqueue buffered_messages; + /* Buffered (sent) handshake records */ + pqueue sent_messages; + + /* Is set when listening for new connections with dtls1_listen() */ + unsigned int listen; + unsigned int link_mtu; /* max on-the-wire DTLS packet size */ + unsigned int mtu; /* max DTLS packet size */ + struct hm_header_st w_msg_hdr; + struct hm_header_st r_msg_hdr; + struct dtls1_timeout_st timeout; + /* + * Indicates when the last handshake msg or heartbeat sent will timeout + */ + struct timeval next_timeout; + /* Timeout duration */ + unsigned short timeout_duration; + + unsigned int retransmitting; + /* + * Set when the handshake is ready to process peer's ChangeCipherSpec message. + * Cleared after the message has been processed. + */ + unsigned int change_cipher_spec_ok; +# ifndef OPENSSL_NO_SCTP + /* used when SSL_ST_XX_FLUSH is entered */ + int next_state; + int shutdown_received; +# endif +} DTLS1_STATE; + + + # ifndef OPENSSL_NO_EC /* * From ECC-TLS draft, used in encoding the curve type in ECParameters @@ -621,7 +1514,7 @@ typedef struct cert_st { DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); int dh_tmp_auto; # endif -# ifndef OPENSSL_NO_ECDH +# ifndef OPENSSL_NO_EC EC_KEY *ecdh_tmp; /* Callback for generating ephemeral ECDH keys */ EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); @@ -638,6 +1531,9 @@ typedef struct cert_st { */ unsigned char *ctypes; size_t ctype_num; + /* Temporary storage for premaster secret */ + unsigned char *pms; + size_t pmslen; /* * signature algorithms peer reports: e.g. supported signature algorithms * extension for server or as part of a certificate request for client. @@ -716,7 +1612,7 @@ typedef struct sess_cert_st { # ifndef OPENSSL_NO_DH DH *peer_dh_tmp; /* not used for SSL 2 */ # endif -# ifndef OPENSSL_NO_ECDH +# ifndef OPENSSL_NO_EC EC_KEY *peer_ecdh_tmp; # endif int references; /* actually always 1 at the moment */ @@ -795,7 +1691,7 @@ typedef struct ssl3_enc_method { /* Handshake header length */ unsigned int hhlen; /* Set the handshake header */ - void (*set_handshake_header) (SSL *s, int type, unsigned long len); + int (*set_handshake_header) (SSL *s, int type, unsigned long len); /* Write out handshake message */ int (*do_write) (SSL *s); } SSL3_ENC_METHOD; @@ -998,388 +1894,354 @@ const SSL_METHOD *func_name(void) \ struct openssl_ssl_test_functions { int (*p_ssl_init_wbio_buffer) (SSL *s, int push); int (*p_ssl3_setup_buffers) (SSL *s); - int (*p_tls1_process_heartbeat) (SSL *s); - int (*p_dtls1_process_heartbeat) (SSL *s); + int (*p_tls1_process_heartbeat) (SSL *s, + unsigned char *p, unsigned int length); + int (*p_dtls1_process_heartbeat) (SSL *s, + unsigned char *p, unsigned int length); }; # ifndef OPENSSL_UNIT_TEST void ssl_clear_cipher_ctx(SSL *s); int ssl_clear_bad_session(SSL *s); -CERT *ssl_cert_new(void); -CERT *ssl_cert_dup(CERT *cert); +__owur CERT *ssl_cert_new(void); +__owur CERT *ssl_cert_dup(CERT *cert); void ssl_cert_set_default_md(CERT *cert); -int ssl_cert_inst(CERT **o); void ssl_cert_clear_certs(CERT *c); void ssl_cert_free(CERT *c); -SESS_CERT *ssl_sess_cert_new(void); +__owur SESS_CERT *ssl_sess_cert_new(void); void ssl_sess_cert_free(SESS_CERT *sc); -int ssl_set_peer_cert_type(SESS_CERT *c, int type); -int ssl_get_new_session(SSL *s, int session); -int ssl_get_prev_session(SSL *s, unsigned char *session, int len, +__owur int ssl_set_peer_cert_type(SESS_CERT *c, int type); +__owur int ssl_get_new_session(SSL *s, int session); +__owur int ssl_get_prev_session(SSL *s, unsigned char *session, int len, const unsigned char *limit); -int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); +__owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); -int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, +__owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, const SSL_CIPHER *const *bp); -STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, +__owur STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, int num, STACK_OF(SSL_CIPHER) **skp); -int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, +__owur int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, unsigned char *p, int (*put_cb) (const SSL_CIPHER *, unsigned char *)); -STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, +__owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, STACK_OF(SSL_CIPHER) **pref, STACK_OF(SSL_CIPHER) **sorted, const char *rule_str, CERT *c); void ssl_update_cache(SSL *s, int mode); -int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, +__owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, const EVP_MD **md, int *mac_pkey_type, int *mac_secret_size, SSL_COMP **comp, int use_etm); -int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); -int ssl_cipher_get_cert_index(const SSL_CIPHER *c); -const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); -int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); -int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); -int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); -int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); -int ssl_cert_select_current(CERT *c, X509 *x); -int ssl_cert_set_current(CERT *c, long arg); -X509 *ssl_cert_get0_next_certificate(CERT *c, int first); +__owur int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); +__owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); +__owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); +__owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); +__owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); +__owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); +__owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); +__owur int ssl_cert_select_current(CERT *c, X509 *x); +__owur int ssl_cert_set_current(CERT *c, long arg); +__owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); -int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); -int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); -int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); -int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); +__owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); +__owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); +__owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); +__owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); -int ssl_security(SSL *s, int op, int bits, int nid, void *other); -int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other); +__owur int ssl_security(SSL *s, int op, int bits, int nid, void *other); +__owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other); int ssl_undefined_function(SSL *s); -int ssl_undefined_void_function(void); -int ssl_undefined_const_function(const SSL *s); -CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); +__owur int ssl_undefined_void_function(void); +__owur int ssl_undefined_const_function(const SSL *s); +__owur CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); # ifndef OPENSSL_NO_TLSEXT -int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, +__owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, size_t *serverinfo_length); # endif -EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); -int ssl_cert_type(X509 *x, EVP_PKEY *pkey); +__owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); +__owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); -STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); -int ssl_verify_alarm_type(long type); +__owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); +__owur int ssl_verify_alarm_type(long type); void ssl_load_ciphers(void); -int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); +__owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); -const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); -int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); +__owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); +__owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); void ssl3_init_finished_mac(SSL *s); -int ssl3_send_server_certificate(SSL *s); -int ssl3_send_newsession_ticket(SSL *s); -int ssl3_send_cert_status(SSL *s); -int ssl3_get_finished(SSL *s, int state_a, int state_b); -int ssl3_setup_key_block(SSL *s); -int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); -int ssl3_change_cipher_state(SSL *s, int which); +__owur int ssl3_send_server_certificate(SSL *s); +__owur int ssl3_send_newsession_ticket(SSL *s); +__owur int ssl3_send_cert_status(SSL *s); +__owur int ssl3_get_finished(SSL *s, int state_a, int state_b); +__owur int ssl3_setup_key_block(SSL *s); +__owur int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); +__owur int ssl3_change_cipher_state(SSL *s, int which); void ssl3_cleanup_key_block(SSL *s); -int ssl3_do_write(SSL *s, int type); +__owur int ssl3_do_write(SSL *s, int type); int ssl3_send_alert(SSL *s, int level, int desc); -int ssl3_generate_master_secret(SSL *s, unsigned char *out, +__owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); -int ssl3_get_req_cert_type(SSL *s, unsigned char *p); -long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); -int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); -int ssl3_num_ciphers(void); -const SSL_CIPHER *ssl3_get_cipher(unsigned int u); +__owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); +__owur long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); +__owur int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); +__owur int ssl3_num_ciphers(void); +__owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); int ssl3_renegotiate(SSL *ssl); int ssl3_renegotiate_check(SSL *ssl); -int ssl3_dispatch_alert(SSL *s); -int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); -int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); -int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, +__owur int ssl3_dispatch_alert(SSL *s); +__owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, unsigned char *p); -int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); +__owur int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); -int ssl3_enc(SSL *s, int send_data); -int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); void ssl3_free_digest_list(SSL *s); -unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); -SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, +__owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); +__owur SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, STACK_OF(SSL_CIPHER) *srvr); -int ssl3_setup_buffers(SSL *s); -int ssl3_setup_read_buffer(SSL *s); -int ssl3_setup_write_buffer(SSL *s); -int ssl3_release_read_buffer(SSL *s); -int ssl3_release_write_buffer(SSL *s); -int ssl3_digest_cached_records(SSL *s); -int ssl3_new(SSL *s); +__owur int ssl3_digest_cached_records(SSL *s); +__owur int ssl3_new(SSL *s); void ssl3_free(SSL *s); -int ssl3_accept(SSL *s); -int ssl3_connect(SSL *s); -int ssl3_read(SSL *s, void *buf, int len); -int ssl3_peek(SSL *s, void *buf, int len); -int ssl3_write(SSL *s, const void *buf, int len); -int ssl3_shutdown(SSL *s); +__owur int ssl3_accept(SSL *s); +__owur int ssl3_connect(SSL *s); +__owur int ssl3_read(SSL *s, void *buf, int len); +__owur int ssl3_peek(SSL *s, void *buf, int len); +__owur int ssl3_write(SSL *s, const void *buf, int len); +__owur int ssl3_shutdown(SSL *s); void ssl3_clear(SSL *s); -long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); -long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); -long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); -long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); -int ssl3_pending(const SSL *s); - -void ssl3_record_sequence_update(unsigned char *seq); -int ssl3_do_change_cipher_spec(SSL *ssl); -long ssl3_default_timeout(void); - -void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); -int ssl3_handshake_write(SSL *s); - -int ssl23_num_ciphers(void); -const SSL_CIPHER *ssl23_get_cipher(unsigned int u); -int ssl23_read(SSL *s, void *buf, int len); -int ssl23_peek(SSL *s, void *buf, int len); -int ssl23_write(SSL *s, const void *buf, int len); -int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); -const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); -long ssl23_default_timeout(void); - -int ssl_allow_compression(SSL *s); - -long tls1_default_timeout(void); -int dtls1_do_write(SSL *s, int type); -int ssl3_read_n(SSL *s, int n, int max, int extend); -int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); -int ssl3_do_compress(SSL *ssl); -int ssl3_do_uncompress(SSL *ssl); -int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, - unsigned int len); -unsigned char *dtls1_set_message_header(SSL *s, - unsigned char *p, unsigned char mt, - unsigned long len, - unsigned long frag_off, - unsigned long frag_len); - -int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); -int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); - -int dtls1_send_change_cipher_spec(SSL *s, int a, int b); -int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); -int dtls1_read_failed(SSL *s, int code); -int dtls1_buffer_message(SSL *s, int ccs); -int dtls1_retransmit_message(SSL *s, unsigned short seq, +__owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); +__owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); +__owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); +__owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); + +__owur int ssl3_do_change_cipher_spec(SSL *ssl); +__owur long ssl3_default_timeout(void); + +__owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); +__owur int ssl3_handshake_write(SSL *s); + +__owur int ssl23_num_ciphers(void); +__owur const SSL_CIPHER *ssl23_get_cipher(unsigned int u); +__owur int ssl23_read(SSL *s, void *buf, int len); +__owur int ssl23_peek(SSL *s, void *buf, int len); +__owur int ssl23_write(SSL *s, const void *buf, int len); +__owur int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); +__owur const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); +__owur long ssl23_default_timeout(void); + +__owur int ssl_allow_compression(SSL *s); + +__owur long tls1_default_timeout(void); +__owur int dtls1_do_write(SSL *s, int type); +void dtls1_set_message_header(SSL *s, + unsigned char *p, unsigned char mt, + unsigned long len, + unsigned long frag_off, + unsigned long frag_len); + +__owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); + +__owur int dtls1_send_change_cipher_spec(SSL *s, int a, int b); +__owur int dtls1_read_failed(SSL *s, int code); +__owur int dtls1_buffer_message(SSL *s, int ccs); +__owur int dtls1_retransmit_message(SSL *s, unsigned short seq, unsigned long frag_off, int *found); -int dtls1_get_queue_priority(unsigned short seq, int is_ccs); +__owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); int dtls1_retransmit_buffered_messages(SSL *s); void dtls1_clear_record_buffer(SSL *s); void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); -void dtls1_reset_seq_numbers(SSL *s, int rw); -long dtls1_default_timeout(void); -struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); -int dtls1_check_timeout_num(SSL *s); -int dtls1_handle_timeout(SSL *s); -const SSL_CIPHER *dtls1_get_cipher(unsigned int u); +__owur long dtls1_default_timeout(void); +__owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); +__owur int dtls1_check_timeout_num(SSL *s); +__owur int dtls1_handle_timeout(SSL *s); +__owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u); void dtls1_start_timer(SSL *s); void dtls1_stop_timer(SSL *s); -int dtls1_is_timer_expired(SSL *s); +__owur int dtls1_is_timer_expired(SSL *s); void dtls1_double_timeout(SSL *s); -int dtls1_send_newsession_ticket(SSL *s); -unsigned int dtls1_min_mtu(SSL *s); -unsigned int dtls1_link_min_mtu(void); +__owur int dtls1_send_newsession_ticket(SSL *s); +__owur unsigned int dtls1_min_mtu(SSL *s); +__owur unsigned int dtls1_link_min_mtu(void); void dtls1_hm_fragment_free(hm_fragment *frag); /* some client-only functions */ -int ssl3_client_hello(SSL *s); -int ssl3_get_server_hello(SSL *s); -int ssl3_get_certificate_request(SSL *s); -int ssl3_get_new_session_ticket(SSL *s); -int ssl3_get_cert_status(SSL *s); -int ssl3_get_server_done(SSL *s); -int ssl3_send_client_verify(SSL *s); -int ssl3_send_client_certificate(SSL *s); -int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); -int ssl3_send_client_key_exchange(SSL *s); -int ssl3_get_key_exchange(SSL *s); -int ssl3_get_server_certificate(SSL *s); -int ssl3_check_cert_and_algorithm(SSL *s); +__owur int ssl3_client_hello(SSL *s); +__owur int ssl3_get_server_hello(SSL *s); +__owur int ssl3_get_certificate_request(SSL *s); +__owur int ssl3_get_new_session_ticket(SSL *s); +__owur int ssl3_get_cert_status(SSL *s); +__owur int ssl3_get_server_done(SSL *s); +__owur int ssl3_send_client_verify(SSL *s); +__owur int ssl3_send_client_certificate(SSL *s); +__owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); +__owur int ssl3_send_client_key_exchange(SSL *s); +__owur int ssl3_get_key_exchange(SSL *s); +__owur int ssl3_get_server_certificate(SSL *s); +__owur int ssl3_check_cert_and_algorithm(SSL *s); # ifndef OPENSSL_NO_TLSEXT # ifndef OPENSSL_NO_NEXTPROTONEG -int ssl3_send_next_proto(SSL *s); +__owur int ssl3_send_next_proto(SSL *s); # endif # endif int dtls1_client_hello(SSL *s); /* some server-only functions */ -int ssl3_get_client_hello(SSL *s); -int ssl3_send_server_hello(SSL *s); -int ssl3_send_hello_request(SSL *s); -int ssl3_send_server_key_exchange(SSL *s); -int ssl3_send_certificate_request(SSL *s); -int ssl3_send_server_done(SSL *s); -int ssl3_get_client_certificate(SSL *s); -int ssl3_get_client_key_exchange(SSL *s); -int ssl3_get_cert_verify(SSL *s); +__owur int ssl3_get_client_hello(SSL *s); +__owur int ssl3_send_server_hello(SSL *s); +__owur int ssl3_send_hello_request(SSL *s); +__owur int ssl3_send_server_key_exchange(SSL *s); +__owur int ssl3_send_certificate_request(SSL *s); +__owur int ssl3_send_server_done(SSL *s); +__owur int ssl3_get_client_certificate(SSL *s); +__owur int ssl3_get_client_key_exchange(SSL *s); +__owur int ssl3_get_cert_verify(SSL *s); # ifndef OPENSSL_NO_NEXTPROTONEG -int ssl3_get_next_proto(SSL *s); +__owur int ssl3_get_next_proto(SSL *s); # endif -int ssl23_accept(SSL *s); -int ssl23_connect(SSL *s); -int ssl23_read_bytes(SSL *s, int n); -int ssl23_write_bytes(SSL *s); +__owur int ssl23_accept(SSL *s); +__owur int ssl23_connect(SSL *s); -int tls1_new(SSL *s); +__owur int tls1_new(SSL *s); void tls1_free(SSL *s); void tls1_clear(SSL *s); long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); -int dtls1_new(SSL *s); -int dtls1_accept(SSL *s); -int dtls1_connect(SSL *s); +__owur int dtls1_new(SSL *s); +__owur int dtls1_accept(SSL *s); +__owur int dtls1_connect(SSL *s); void dtls1_free(SSL *s); void dtls1_clear(SSL *s); long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); -int dtls1_shutdown(SSL *s); +__owur int dtls1_shutdown(SSL *s); -long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); -int dtls1_get_record(SSL *s); -int do_dtls1_write(SSL *s, int type, const unsigned char *buf, - unsigned int len, int create_empty_fragement); -int dtls1_dispatch_alert(SSL *s); +__owur long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); +__owur int dtls1_dispatch_alert(SSL *s); -int ssl_init_wbio_buffer(SSL *s, int push); +__owur int ssl_init_wbio_buffer(SSL *s, int push); void ssl_free_wbio_buffer(SSL *s); -int tls1_change_cipher_state(SSL *s, int which); -int tls1_setup_key_block(SSL *s); -int tls1_enc(SSL *s, int snd); -int tls1_final_finish_mac(SSL *s, +__owur int tls1_change_cipher_state(SSL *s, int which); +__owur int tls1_setup_key_block(SSL *s); +__owur int tls1_final_finish_mac(SSL *s, const char *str, int slen, unsigned char *p); -int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); -int tls1_mac(SSL *ssl, unsigned char *md, int snd); -int tls1_generate_master_secret(SSL *s, unsigned char *out, +__owur int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); +__owur int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p, int len); -int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, +__owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, const char *label, size_t llen, const unsigned char *p, size_t plen, int use_context); -int tls1_alert_code(int code); -int ssl3_alert_code(int code); -int ssl_ok(SSL *s); +__owur int tls1_alert_code(int code); +__owur int ssl3_alert_code(int code); +__owur int ssl_ok(SSL *s); -# ifndef OPENSSL_NO_ECDH -int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); +# ifndef OPENSSL_NO_EC +__owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); # endif SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); # ifndef OPENSSL_NO_EC -int tls1_ec_curve_id2nid(int curve_id); -int tls1_ec_nid2curve_id(int nid); -int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); -int tls1_shared_curve(SSL *s, int nmatch); -int tls1_set_curves(unsigned char **pext, size_t *pextlen, +__owur int tls1_ec_curve_id2nid(int curve_id); +__owur int tls1_ec_nid2curve_id(int nid); +__owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); +__owur int tls1_shared_curve(SSL *s, int nmatch); +__owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, int *curves, size_t ncurves); -int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, +__owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, const char *str); -# ifndef OPENSSL_NO_ECDH -int tls1_check_ec_tmp_key(SSL *s, unsigned long id); -# endif /* OPENSSL_NO_ECDH */ +__owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); # endif /* OPENSSL_NO_EC */ # ifndef OPENSSL_NO_TLSEXT -int tls1_shared_list(SSL *s, +__owur int tls1_shared_list(SSL *s, const unsigned char *l1, size_t l1len, const unsigned char *l2, size_t l2len, int nmatch); -unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, +__owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit, int *al); -unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, +__owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit, int *al); -int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, +__owur int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n); -int tls1_set_server_sigalgs(SSL *s); -int ssl_check_clienthello_tlsext_late(SSL *s); -int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, +__owur int tls1_set_server_sigalgs(SSL *s); +__owur int ssl_check_clienthello_tlsext_late(SSL *s); +__owur int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n); -int ssl_prepare_clienthello_tlsext(SSL *s); -int ssl_prepare_serverhello_tlsext(SSL *s); +__owur int ssl_prepare_clienthello_tlsext(SSL *s); +__owur int ssl_prepare_serverhello_tlsext(SSL *s); # ifndef OPENSSL_NO_HEARTBEATS -int tls1_heartbeat(SSL *s); -int dtls1_heartbeat(SSL *s); -int tls1_process_heartbeat(SSL *s); -int dtls1_process_heartbeat(SSL *s); +__owur int tls1_heartbeat(SSL *s); +__owur int dtls1_heartbeat(SSL *s); +__owur int tls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); +__owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); # endif -int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, +__owur int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, const unsigned char *limit, SSL_SESSION **ret); -int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, +__owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, const EVP_MD *md); -int tls12_get_sigid(const EVP_PKEY *pk); -const EVP_MD *tls12_get_hash(unsigned char hash_alg); +__owur int tls12_get_sigid(const EVP_PKEY *pk); +__owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); void ssl_set_sig_mask(unsigned long *pmask_a, SSL *s, int op); -int tls1_set_sigalgs_list(CERT *c, const char *str, int client); -int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); +__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); +__owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, int idx); void tls1_set_cert_validity(SSL *s); # endif # ifndef OPENSSL_NO_DH -DH *ssl_get_auto_dh(SSL *s); +__owur DH *ssl_get_auto_dh(SSL *s); # endif -int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); -int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); +__owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); +__owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); -EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); +__owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); void ssl_clear_hash_ctx(EVP_MD_CTX **hash); -int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, +__owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); -int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, +__owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); -int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, +__owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, int maxlen); -int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, +__owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, int *al); -long ssl_get_algorithm2(SSL *s); -size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, +__owur long ssl_get_algorithm2(SSL *s); +__owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, const unsigned char *psig, size_t psiglen); -int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); -int tls1_process_sigalgs(SSL *s); -size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); -int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, +__owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); +__owur int tls1_process_sigalgs(SSL *s); +__owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); +__owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, const unsigned char *sig, EVP_PKEY *pkey); void ssl_set_client_disabled(SSL *s); -int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); +__owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); -int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, +__owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); -int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, +__owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, int *al); -int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, +__owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); -int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, +__owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, int *al); +__owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); + /* s3_cbc.c */ -void ssl3_cbc_copy_mac(unsigned char *out, - const SSL3_RECORD *rec, unsigned md_size); -int ssl3_cbc_remove_padding(const SSL *s, - SSL3_RECORD *rec, - unsigned block_size, unsigned mac_size); -int tls1_cbc_remove_padding(const SSL *s, - SSL3_RECORD *rec, - unsigned block_size, unsigned mac_size); -char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); +__owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, unsigned char *md_out, size_t *md_out_size, @@ -1394,19 +2256,19 @@ void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx, const unsigned char *data, size_t data_len, size_t orig_len); -int srp_verify_server_param(SSL *s, int *al); +__owur int srp_verify_server_param(SSL *s, int *al); /* t1_ext.c */ void custom_ext_init(custom_ext_methods *meths); -int custom_ext_parse(SSL *s, int server, +__owur int custom_ext_parse(SSL *s, int server, unsigned int ext_type, const unsigned char *ext_data, size_t ext_size, int *al); -int custom_ext_add(SSL *s, int server, +__owur int custom_ext_add(SSL *s, int server, unsigned char **pret, unsigned char *limit, int *al); -int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); +__owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); void custom_exts_free(custom_ext_methods *exts); # else