242 lines
4.0 KiB
C
242 lines
4.0 KiB
C
/*
|
|
* Copyright (c) 1999-2002 Sendmail, Inc. and its suppliers.
|
|
* All rights reserved.
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the sendmail distribution.
|
|
*
|
|
*/
|
|
|
|
#include <sm/gen.h>
|
|
SM_RCSID("@(#)$Id: main.c,v 8.64.2.8 2002/12/18 23:13:45 ca Exp $")
|
|
|
|
#define _DEFINE 1
|
|
#include "libmilter.h"
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
|
|
|
|
static smfiDesc_ptr smfi = NULL;
|
|
|
|
/*
|
|
** SMFI_REGISTER -- register a filter description
|
|
**
|
|
** Parameters:
|
|
** smfilter -- description of filter to register
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS/MI_FAILURE
|
|
*/
|
|
|
|
int
|
|
smfi_register(smfilter)
|
|
smfiDesc_str smfilter;
|
|
{
|
|
size_t len;
|
|
|
|
if (smfi == NULL)
|
|
{
|
|
smfi = (smfiDesc_ptr) malloc(sizeof *smfi);
|
|
if (smfi == NULL)
|
|
return MI_FAILURE;
|
|
}
|
|
(void) memcpy(smfi, &smfilter, sizeof *smfi);
|
|
if (smfilter.xxfi_name == NULL)
|
|
smfilter.xxfi_name = "Unknown";
|
|
|
|
len = strlen(smfilter.xxfi_name) + 1;
|
|
smfi->xxfi_name = (char *) malloc(len);
|
|
if (smfi->xxfi_name == NULL)
|
|
return MI_FAILURE;
|
|
(void) sm_strlcpy(smfi->xxfi_name, smfilter.xxfi_name, len);
|
|
|
|
/* compare milter version with hard coded version */
|
|
if (smfi->xxfi_version != SMFI_VERSION)
|
|
{
|
|
/* hard failure for now! */
|
|
smi_log(SMI_LOG_ERR,
|
|
"%s: smfi_register: version mismatch application: %d != milter: %d",
|
|
smfi->xxfi_name, smfi->xxfi_version,
|
|
(int) SMFI_VERSION);
|
|
|
|
/* XXX how about smfi? */
|
|
free(smfi->xxfi_name);
|
|
return MI_FAILURE;
|
|
}
|
|
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
** SMFI_STOP -- stop milter
|
|
**
|
|
** Parameters:
|
|
** none.
|
|
**
|
|
** Returns:
|
|
** success.
|
|
*/
|
|
|
|
int
|
|
smfi_stop()
|
|
{
|
|
mi_stop_milters(MILTER_STOP);
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
** default values for some variables.
|
|
** Most of these can be changed with the functions below.
|
|
*/
|
|
|
|
static int dbg = 0;
|
|
static char *conn = NULL;
|
|
static int timeout = MI_TIMEOUT;
|
|
static int backlog = MI_SOMAXCONN;
|
|
|
|
#if _FFR_SMFI_OPENSOCKET
|
|
/*
|
|
** SMFI_OPENSOCKET -- try the socket setup to make sure we'll be
|
|
** able to start up
|
|
**
|
|
** Parameters:
|
|
** None.
|
|
**
|
|
** Return:
|
|
** MI_SUCCESS/MI_FAILURE
|
|
*/
|
|
|
|
int
|
|
smfi_opensocket()
|
|
{
|
|
if (smfi == NULL || conn == NULL)
|
|
return MI_FAILURE;
|
|
|
|
return mi_opensocket(conn, backlog, dbg, smfi);
|
|
}
|
|
#endif /* _FFR_SMFI_OPENSOCKET */
|
|
|
|
/*
|
|
** SMFI_SETDBG -- set debug level.
|
|
**
|
|
** Parameters:
|
|
** odbg -- new debug level.
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS
|
|
*/
|
|
|
|
int
|
|
smfi_setdbg(odbg)
|
|
int odbg;
|
|
{
|
|
dbg = odbg;
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
** SMFI_SETTIMEOUT -- set timeout (for read/write).
|
|
**
|
|
** Parameters:
|
|
** otimeout -- new timeout.
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS
|
|
*/
|
|
|
|
int
|
|
smfi_settimeout(otimeout)
|
|
int otimeout;
|
|
{
|
|
timeout = otimeout;
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
** SMFI_SETCONN -- set connection information (socket description)
|
|
**
|
|
** Parameters:
|
|
** oconn -- new connection information.
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS/MI_FAILURE
|
|
*/
|
|
|
|
int
|
|
smfi_setconn(oconn)
|
|
char *oconn;
|
|
{
|
|
size_t l;
|
|
|
|
if (oconn == NULL || *oconn == '\0')
|
|
return MI_FAILURE;
|
|
l = strlen(oconn) + 1;
|
|
if ((conn = (char *) malloc(l)) == NULL)
|
|
return MI_FAILURE;
|
|
if (sm_strlcpy(conn, oconn, l) >= l)
|
|
return MI_FAILURE;
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
** SMFI_SETBACKLOG -- set backlog
|
|
**
|
|
** Parameters:
|
|
** obacklog -- new backlog.
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS/MI_FAILURE
|
|
*/
|
|
|
|
int
|
|
smfi_setbacklog(obacklog)
|
|
int obacklog;
|
|
{
|
|
if (obacklog <= 0)
|
|
return MI_FAILURE;
|
|
backlog = obacklog;
|
|
return MI_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
** SMFI_MAIN -- setup milter connnection and start listener.
|
|
**
|
|
** Parameters:
|
|
** none.
|
|
**
|
|
** Returns:
|
|
** MI_SUCCESS/MI_FAILURE
|
|
*/
|
|
|
|
int
|
|
smfi_main()
|
|
{
|
|
int r;
|
|
|
|
(void) signal(SIGPIPE, SIG_IGN);
|
|
if (conn == NULL)
|
|
{
|
|
smi_log(SMI_LOG_FATAL, "%s: missing connection information",
|
|
smfi->xxfi_name);
|
|
return MI_FAILURE;
|
|
}
|
|
|
|
(void) atexit(mi_clean_signals);
|
|
if (mi_control_startup(smfi->xxfi_name) != MI_SUCCESS)
|
|
{
|
|
smi_log(SMI_LOG_FATAL,
|
|
"%s: Couldn't start signal thread",
|
|
smfi->xxfi_name);
|
|
return MI_FAILURE;
|
|
}
|
|
r = MI_SUCCESS;
|
|
|
|
/* Startup the listener */
|
|
if (mi_listener(conn, dbg, smfi, timeout, backlog) != MI_SUCCESS)
|
|
r = MI_FAILURE;
|
|
return r;
|
|
}
|
|
|