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/* assuan-listen.c - Wait for a connection (server)
* Copyright (C) 2001 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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.
*
* GnuPG 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, 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 <string.h>
#include <unistd.h>
#include "assuan-defs.h"
AssuanError
assuan_set_hello_line (ASSUAN_CONTEXT ctx, const char *line)
{
if (!ctx)
return ASSUAN_Invalid_Value;
if (!line)
{
xfree (ctx->hello_line);
ctx->hello_line = NULL;
}
else
{
char *buf = xtrymalloc (3+strlen(line)+1);
if (!buf)
return ASSUAN_Out_Of_Core;
strcpy (buf, "OK ");
strcpy (buf+3, line);
xfree (ctx->hello_line);
ctx->hello_line = buf;
}
return 0;
}
/**
* assuan_accept:
* @ctx: context
*
* Cancel any existing connectiion and wait for a connection from a
* client. The initial handshake is performed which may include an
* initial authentication or encryption negotiation.
*
* Return value: 0 on success or an error if the connection could for
* some reason not be established.
**/
AssuanError
assuan_accept (ASSUAN_CONTEXT ctx)
{
int rc;
if (!ctx)
return ASSUAN_Invalid_Value;
if (ctx->pipe_mode > 1)
return -1; /* second invocation for pipemode -> terminate */
ctx->finish_handler (ctx);
rc = ctx->accept_handler (ctx);
if (rc)
return rc;
/* send the hello */
rc = assuan_write_line (ctx, ctx->hello_line? ctx->hello_line
: "OK Your orders please");
if (rc)
return rc;
if (ctx->pipe_mode)
ctx->pipe_mode = 2;
return 0;
}
int
assuan_get_input_fd (ASSUAN_CONTEXT ctx)
{
return ctx? ctx->input_fd : -1;
}
int
assuan_get_output_fd (ASSUAN_CONTEXT ctx)
{
return ctx? ctx->output_fd : -1;
}
/* Close the fd descriptor set by the command INPUT FD=n. We handle
this fd inside assuan so that we can do some initial checks */
AssuanError
assuan_close_input_fd (ASSUAN_CONTEXT ctx)
{
if (!ctx || ctx->input_fd == -1)
return ASSUAN_Invalid_Value;
close (ctx->input_fd);
ctx->input_fd = -1;
return 0;
}
/* Close the fd descriptor set by the command OUTPUT FD=n. We handle
this fd inside assuan so that we can do some initial checks */
AssuanError
assuan_close_output_fd (ASSUAN_CONTEXT ctx)
{
if (!ctx || ctx->output_fd == -1)
return ASSUAN_Invalid_Value;
close (ctx->output_fd);
ctx->output_fd = -1;
return 0;
}
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