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59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* ejabberd external authentication program
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*
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* (c) Alexander Vdolainen 2013, 2018, 2019, 2021 <alex@vapaa.xyz>
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*
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* this is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* this is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.";
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*
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*/
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#ifndef __TLSPORT_H__
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#define __TLSPORT_H__
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struct tlsport {
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int fd;
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SSL *ssl;
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SSL_CTX *sslctx;
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};
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typedef enum {
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TLSIO_READ = 1,
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TLSIO_WRITE = 2,
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} tls_io_dir_t;
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/* this function shall be called before main loop */
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int ssllib_init(void);
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/* this one after mainloop and/or on exit */
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int ssllib_free(void);
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/* creates a TLS connection (all info is in struct tlsport).
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* returns -1 on error, 0 otherwise.
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* first string is a hostname, second is a port or service name
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*/
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int tls_connect(const char *, const char *, struct tlsport *);
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/* gracefully shutdown TLS connection and free resources
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* it's always freeing and closing, but in case of wrong
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* shutdown procedure returns -1, 0 otherwise.
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*/
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int tls_close(struct tlsport *);
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/* read or write (depends on tls_io_dir_t) data via tlsport
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* returns amount of bytes ridden or written, -1 in case of error
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*/
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ssize_t tls_io(struct tlsport *, void *, size_t, tls_io_dir_t);
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#endif /* __TLSPORT_H__ */
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