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/* assuan-pipe-server.c - Assuan server working over a pipe
* Copyright (C) 2001, 2002 Free Software Foundation, Inc.
*
* This file is part of Assuan.
*
* Assuan is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Assuan 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include "assuan-defs.h"
static void
deinit_pipe_server (ASSUAN_CONTEXT ctx)
{
/* nothing to do for this simple server */
}
static int
accept_connection (ASSUAN_CONTEXT ctx)
{
/* This is a NOP for a pipe server */
return 0;
}
static int
finish_connection (ASSUAN_CONTEXT ctx)
{
/* This is a NOP for a pipe server */
return 0;
}
/* Create a new context. Note that the handlers are set up for a pipe
server/client - this way we don't need extra dummy functions */
int
_assuan_new_context (ASSUAN_CONTEXT *r_ctx)
{
ASSUAN_CONTEXT ctx;
int rc;
*r_ctx = NULL;
ctx = xtrycalloc (1, sizeof *ctx);
if (!ctx)
return ASSUAN_Out_Of_Core;
ctx->input_fd = -1;
ctx->output_fd = -1;
ctx->inbound.fd = -1;
ctx->outbound.fd = -1;
ctx->listen_fd = -1;
ctx->client_pid = (pid_t)-1;
/* use the pipe server handler as a default */
ctx->deinit_handler = deinit_pipe_server;
ctx->accept_handler = accept_connection;
ctx->finish_handler = finish_connection;
rc = _assuan_register_std_commands (ctx);
if (rc)
xfree (ctx);
else
*r_ctx = ctx;
return rc;
}
int
assuan_init_pipe_server (ASSUAN_CONTEXT *r_ctx, int filedes[2])
{
int rc;
rc = _assuan_new_context (r_ctx);
if (!rc)
{
ASSUAN_CONTEXT ctx = *r_ctx;
ctx->is_server = 1;
ctx->inbound.fd = filedes[0];
ctx->outbound.fd = filedes[1];
ctx->pipe_mode = 1;
}
return rc;
}
void
_assuan_release_context (ASSUAN_CONTEXT ctx)
{
if (ctx)
{
xfree (ctx->hello_line);
xfree (ctx->okay_line);
xfree (ctx);
}
}
void
assuan_deinit_server (ASSUAN_CONTEXT ctx)
{
if (ctx)
{
/* We use this function pointer to avoid linking other server
when not needed but still allow for a generic deinit function */
ctx->deinit_handler (ctx);
ctx->deinit_handler = NULL;
_assuan_release_context (ctx);
}
}
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