appl/kx/context.c

   1 /*
   2  * Copyright (c) 1995 - 1999 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kx.h"
  35
  36 RCSID("$Id$");
  37
  38 /*
  39  * Set the common part of the context `kc'
  40  */
  41
  42 void
  43 context_set (kx_context *kc, const char *host, const char *user, int port,
  44              int debug_flag, int keepalive_flag, int tcp_flag)
  45 {
  46     kc->thisaddr        = (struct sockaddr*)&kc->__ss_this;
  47     kc->thataddr        = (struct sockaddr*)&kc->__ss_that;
  48     kc->host            = host;
  49     kc->user            = user;
  50     kc->port            = port;
  51     kc->debug_flag      = debug_flag;
  52     kc->keepalive_flag  = keepalive_flag;
  53     kc->tcp_flag        = tcp_flag;
  54 }
  55
  56 /*
  57  * dispatch functions
  58  */
  59
  60 void
  61 context_destroy (kx_context *kc)
  62 {
  63     (*kc->destroy)(kc);
  64 }
  65
  66 int
  67 context_authenticate (kx_context *kc, int s)
  68 {
  69     return (*kc->authenticate)(kc, s);
  70 }
  71
  72 int
  73 context_userok (kx_context *kc, char *user)
  74 {
  75     return (*kc->userok)(kc, user);
  76 }
  77
  78 ssize_t
  79 kx_read (kx_context *kc, int fd, void *buf, size_t len)
  80 {
  81     return (*kc->read)(kc, fd, buf, len);
  82 }
  83
  84 ssize_t
  85 kx_write (kx_context *kc, int fd, const void *buf, size_t len)
  86 {
  87     return (*kc->write)(kc, fd, buf, len);
  88 }
  89
  90 int
  91 copy_encrypted (kx_context *kc, int fd1, int fd2)
  92 {
  93     return (*kc->copy_encrypted)(kc, fd1, fd2);
  94 }