smtp_config.h

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/****************************************************************************
 *
 * Copyright (C) 2005-2008 Sourcefire Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License Version 2 as
 * published by the Free Software Foundation.  You may not use, modify or
 * distribute this program under any other version of the GNU General
 * Public License.
 *
 * This program 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.
 *
 ****************************************************************************/

/***************************************************************************
 *
 * smtp_config.h
 *
 * Author: Andy Mullican
 * Author: Todd Wease
 *
 ***************************************************************************/

#ifndef __SMTP_CONFIG_H__
#define __SMTP_CONFIG_H__


#define CONF_SEPARATORS                  " \t\n\r"
#define CONF_PORTS                       "ports"
#define CONF_INSPECTION_TYPE             "inspection_type"
#define CONF_NORMALIZE                   "normalize"
#define CONF_NORMALIZE_CMDS              "normalize_cmds"
#define CONF_IGNORE_DATA                 "ignore_data"
#define CONF_IGNORE_TLS_DATA             "ignore_tls_data"
#define CONF_MAX_COMMAND_LINE_LEN        "max_command_line_len"
#define CONF_MAX_HEADER_LINE_LEN         "max_header_line_len"
#define CONF_MAX_RESPONSE_LINE_LEN       "max_response_line_len"
#define CONF_ALT_MAX_COMMAND_LINE_LEN    "alt_max_command_line_len"
#define CONF_NO_ALERTS                   "no_alerts"
#define CONF_VALID_CMDS                  "valid_cmds"
#define CONF_INVALID_CMDS                "invalid_cmds"
#define CONF_PRINT_CMDS                  "print_cmds"
#define CONF_ALERT_UNKNOWN_CMDS          "alert_unknown_cmds"
#define CONF_XLINK2STATE                 "xlink2state"
#define CONF_ENABLE                      "enable"
#define CONF_DISABLE                     "disable"
#define CONF_INLINE_DROP                 "drop"
#define CONF_STATEFUL                    "stateful"
#define CONF_STATELESS                   "stateless"
#define CONF_YES                         "yes"
#define CONF_ALL                         "all"
#define CONF_NONE                        "none"
#define CONF_CMDS                        "cmds"
#define CONF_START_LIST "{"
#define CONF_END_LIST   "}"

#define NORMALIZE_NONE 0
#define NORMALIZE_CMDS 1
#define NORMALIZE_ALL  2

#define ACTION_ALERT      0
#define ACTION_NO_ALERT   1
#define ACTION_NORMALIZE  2

#define DEFAULT_MAX_COMMAND_LINE_LEN    0
#define DEFAULT_MAX_HEADER_LINE_LEN     0
#define DEFAULT_MAX_RESPONSE_LINE_LEN   0

#define SMTP_DEFAULT_SERVER_PORT       25  /* SMTP normally runs on port 25 */
#define SMTP_DEFAULT_SUBMISSION_PORT  587  /* SMTP Submission port - see RFC 2476 */
#define XLINK2STATE_DEFAULT_PORT      691  /* XLINK2STATE sometimes runs on port 691 */

#define ERRSTRLEN   512


typedef struct _SMTPConfig
{
    char  ports[8192];
    char  inspection_type;
    char  normalize;
    char  ignore_data;
    char  ignore_tls_data;
    int   max_command_line_len;
    int   max_header_line_len;
    int   max_response_line_len;
    char  no_alerts;
    char  alert_unknown_cmds;
    char  alert_xlink2state;
    char  drop_xlink2state;
    char  print_cmds;    

} SMTPConfig;

typedef struct _SMTPCmdConfig
{
    char alert;          /*  1 if alert when seen                          */
    char normalize;      /*  1 if we should normalize this command         */
    int  max_line_len;   /*  Max length of this particular command         */

} SMTPCmdConfig;


/* Function prototypes  */
void SMTP_ParseArgs(char *);


#endif