1.\" $OpenBSD: tls_accept_socket.3,v 1.3 2017/01/28 00:59:36 schwarze Exp $ 2.\" 3.\" Copyright (c) 2015 Ted Unangst <tedu@openbsd.org> 4.\" Copyright (c) 2015 Joel Sing <jsing@openbsd.org> 5.\" Copyright (c) 2016 Brent Cook <bcook@openbsd.org> 6.\" 7.\" Permission to use, copy, modify, and distribute this software for any 8.\" purpose with or without fee is hereby granted, provided that the above 9.\" copyright notice and this permission notice appear in all copies. 10.\" 11.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18.\" 19.Dd $Mdocdate: January 28 2017 $ 20.Dt TLS_ACCEPT_SOCKET 3 21.Os 22.Sh NAME 23.Nm tls_accept_socket , 24.Nm tls_accept_fds , 25.Nm tls_accept_cbs 26.Nd accept an incoming client connection in a TLS server 27.Sh SYNOPSIS 28.In tls.h 29.Ft int 30.Fo tls_accept_socket 31.Fa "struct tls *tls" 32.Fa "struct tls **cctx" 33.Fa "int socket" 34.Fc 35.Ft int 36.Fo tls_accept_fds 37.Fa "struct tls *tls" 38.Fa "struct tls **cctx" 39.Fa "int fd_read" 40.Fa "int fd_write" 41.Fc 42.Ft int 43.Fo tls_accept_cbs 44.Fa "struct tls *tls" 45.Fa "struct tls **cctx" 46.Fa "ssize_t (*tls_read_cb)(struct tls *ctx,\ 47 void *buf, size_t buflen, void *cb_arg)" 48.Fa "ssize_t (*tls_write_cb)(struct tls *ctx,\ 49 const void *buf, size_t buflen, void *cb_arg)" 50.Fa "void *cb_arg" 51.Fc 52.Sh DESCRIPTION 53After creating a TLS server context 54.Fa tls 55with 56.Xr tls_server 3 57and configuring it with 58.Xr tls_configure 3 , 59a server can accept a new client connection by calling 60.Fn tls_accept_socket 61on an already established socket connection. 62.Pp 63Alternatively, a new client connection can be accepted over a pair of existing 64file descriptors by calling 65.Fn tls_accept_fds . 66.Pp 67Calling 68.Fn tls_accept_cbs 69allows read and write callback functions to handle data transfers. 70The specified 71.Fa cb_arg 72parameter is passed back to the functions, 73and can contain a pointer to any caller-specified data. 74.Pp 75All these functions create a new context suitable for reading and writing 76and return it in 77.Fa *cctx . 78.Sh RETURN VALUES 79These functions return 0 on success or -1 on error. 80.Sh SEE ALSO 81.Xr tls_close 3 , 82.Xr tls_config_set_session_id 3 , 83.Xr tls_configure 3 , 84.Xr tls_connect 3 , 85.Xr tls_init 3 , 86.Xr tls_server 3 87.Sh HISTORY 88.Fn tls_accept_socket 89appeared in 90.Ox 5.6 91and got its final name in 92.Ox 5.7 . 93.Pp 94.Fn tls_accept_fds 95appeared in 96.Ox 5.8 97and 98.Fn tls_accept_cbs 99in 100.Ox 6.1 . 101.Sh AUTHORS 102.An Joel Sing Aq Mt jsing@openbsd.org 103.Pp 104.An -nosplit 105.Fn tls_accept_cbs 106was written by 107.An Tobias Pape Aq Mt tobias@netshed.de . 108