|
|
|
|
/*
|
|
|
|
|
* ejabberd external authentication program
|
|
|
|
|
*
|
|
|
|
|
* (c) Alexander Vdolainen 2013, 2018, 2019, 2021 <alex@vapaa.xyz>
|
|
|
|
|
*
|
|
|
|
|
* this is free software: you can redistribute it and/or modify it
|
|
|
|
|
* under the terms of the GNU General Public License as published
|
|
|
|
|
* by the Free Software Foundation, either version 2 of the License, or
|
|
|
|
|
* (at your option) any later version.
|
|
|
|
|
*
|
|
|
|
|
* this 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 General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.";
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __TLSPORT_H__
|
|
|
|
|
#define __TLSPORT_H__
|
|
|
|
|
|
|
|
|
|
struct tlsport {
|
|
|
|
|
int fd;
|
|
|
|
|
SSL *ssl;
|
|
|
|
|
SSL_CTX *sslctx;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
typedef enum {
|
|
|
|
|
TLSIO_READ = 1,
|
|
|
|
|
TLSIO_WRITE = 2,
|
|
|
|
|
} tls_io_dir_t;
|
|
|
|
|
|
|
|
|
|
/* this function shall be called before main loop */
|
|
|
|
|
int ssllib_init(void);
|
|
|
|
|
|
|
|
|
|
/* this one after mainloop and/or on exit */
|
|
|
|
|
int ssllib_free(void);
|
|
|
|
|
|
|
|
|
|
/* creates a TLS connection (all info is in struct tlsport).
|
|
|
|
|
* returns -1 on error, 0 otherwise.
|
|
|
|
|
* first string is a hostname, second is a port or service name
|
|
|
|
|
*/
|
|
|
|
|
int tls_connect(const char *, const char *, struct tlsport *);
|
|
|
|
|
|
|
|
|
|
/* gracefully shutdown TLS connection and free resources
|
|
|
|
|
* it's always freeing and closing, but in case of wrong
|
|
|
|
|
* shutdown procedure returns -1, 0 otherwise.
|
|
|
|
|
*/
|
|
|
|
|
int tls_close(struct tlsport *);
|
|
|
|
|
|
|
|
|
|
/* read or write (depends on tls_io_dir_t) data via tlsport
|
|
|
|
|
* returns amount of bytes ridden or written, -1 in case of error
|
|
|
|
|
*/
|
|
|
|
|
ssize_t tls_io(struct tlsport *, void *, size_t, tls_io_dir_t);
|
|
|
|
|
|
|
|
|
|
#endif /* __TLSPORT_H__ */
|
