1 /* Copyright 2003 Roger Dingledine
2 * Copyright 2004-2005 Roger Dingledine, Nick Mathewson */
3 /* See LICENSE for licensing information */
8 #define TORTLS_H_ID "$Id$"
12 * \brief Headers for tortls.c
15 #include "../common/crypto.h"
16 #include "../common/compat.h"
18 /* Opaque structure to hold a TLS connection. */
19 typedef struct tor_tls_st tor_tls
;
21 /* Possible return values for most tor_tls_* functions. */
22 #define TOR_TLS_ERROR -4
23 #define TOR_TLS_CLOSE -3
24 #define TOR_TLS_WANTREAD -2
25 #define TOR_TLS_WANTWRITE -1
26 #define TOR_TLS_DONE 0
28 void tor_tls_free_all(void);
29 int tor_tls_context_new(crypto_pk_env_t
*rsa
, int isServer
,
30 const char *nickname
, unsigned int key_lifetime
);
31 tor_tls
*tor_tls_new(int sock
, int is_server
, int use_no_cert
);
32 int tor_tls_is_server(tor_tls
*tls
);
33 void tor_tls_free(tor_tls
*tls
);
34 int tor_tls_peer_has_cert(tor_tls
*tls
);
35 int tor_tls_get_peer_cert_nickname(tor_tls
*tls
, char *buf
, size_t buflen
);
36 int tor_tls_verify(tor_tls
*tls
, crypto_pk_env_t
**identity
);
37 int tor_tls_check_lifetime(tor_tls
*tls
, int tolerance
);
38 int tor_tls_read(tor_tls
*tls
, char *cp
, size_t len
);
39 int tor_tls_write(tor_tls
*tls
, char *cp
, size_t n
);
40 int tor_tls_handshake(tor_tls
*tls
);
41 int tor_tls_shutdown(tor_tls
*tls
);
42 int tor_tls_get_pending_bytes(tor_tls
*tls
);
44 unsigned long tor_tls_get_n_bytes_read(tor_tls
*tls
);
45 unsigned long tor_tls_get_n_bytes_written(tor_tls
*tls
);
47 /* Log and abort if there are unhandled TLS errors in OpenSSL's error stack.
49 #define check_no_tls_errors() _check_no_tls_errors(_SHORT_FILE_,__LINE__)
51 void _check_no_tls_errors(const char *fname
, int line
);