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59 lines
1.7 KiB
C

/*
* 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;
};
4 years ago
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 *);
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/* 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 *);
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/* 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__ */