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/* -*- c -*-
* Copyright (C) 2013 Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
#ifndef GNUTLS_SBUF_H
#define GNUTLS_SBUF_H
#include <gnutls/gnutls.h>
/* Buffered session I/O */
typedef struct xssl_st *xssl_t;
typedef struct xssl_cred_st *xssl_cred_t;
ssize_t xssl_printf(xssl_t sb, const char *fmt, ...)
#ifdef __GNUC__
__attribute__ ((format(printf, 2, 3)))
#endif
;
ssize_t xssl_write(xssl_t sb, const void *data, size_t data_size);
ssize_t xssl_flush(xssl_t sb);
ssize_t xssl_read(xssl_t sb, void *data, size_t data_size);
ssize_t
xssl_getdelim(xssl_t sbuf, char **lineptr, size_t * n, int delimiter);
#define xssl_getline(sbuf, ptr, n) xssl_getdelim(sbuf, ptr, n, '\n')
void xssl_deinit(xssl_t sb);
#define GNUTLS_SBUF_WRITE_FLUSHES (1<<0)
int xssl_sinit(xssl_t * isb, gnutls_session_t session, unsigned int flags);
gnutls_session_t xssl_get_session(xssl_t sb);
int xssl_client_init(xssl_t * isb, const char *hostname,
const char *service,
gnutls_transport_ptr fd,
const char *priority, xssl_cred_t cred,
unsigned int *status, unsigned int flags);
int xssl_server_init(xssl_t * isb,
gnutls_transport_ptr fd,
const char *priority, xssl_cred_t cred,
unsigned int *status, unsigned int flags);
/* High level credential structures */
typedef enum {
GNUTLS_VMETHOD_NO_AUTH = 0,
GNUTLS_VMETHOD_TOFU = 1 << 0,
GNUTLS_VMETHOD_GIVEN_CAS = 1 << 1,
GNUTLS_VMETHOD_SYSTEM_CAS = 1 << 2
} gnutls_vmethod_t;
typedef enum {
GNUTLS_CINPUT_TYPE_FILE = 0,
GNUTLS_CINPUT_TYPE_MEM = 1,
GNUTLS_CINPUT_TYPE_PIN_FUNC = 2,
} gnutls_cinput_type_t;
typedef enum {
GNUTLS_CINPUT_CAS = 1, /* i1 contains the CAs */
GNUTLS_CINPUT_CRLS = 2, /* i1 contains the CRLs */
GNUTLS_CINPUT_TOFU_DB = 3, /* i1 contains the DB filename */
GNUTLS_CINPUT_KEYPAIR = 4, /* i1 contains the certificate, i2 the key
* or i1.pin_fn contains the pin function,
* and i2.udata the user pointer */
} gnutls_cinput_contents_t;
typedef struct gnutls_cinput_st {
gnutls_cinput_type_t type;
gnutls_cinput_contents_t contents;
gnutls_x509_crt_fmt_t fmt; /* if applicable */
union {
gnutls_pin_callback_t pin_fn;
const char *file;
gnutls_datum_t mem;
} i1;
union {
void *udata;
const char *file;
gnutls_datum_t mem;
} i2;
unsigned long future_pad[8];
} gnutls_cinput_st;
int xssl_cred_init(xssl_cred_t * c, unsigned vflags,
gnutls_cinput_st * aux, unsigned aux_size);
void xssl_cred_deinit(xssl_cred_t cred);
#endif /* GNUTLS_SBUF_H */
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