/*
 * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers.
 *      All rights reserved.
 * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
 * Copyright (c) 1988, 1993
 *      The Regents of the University of California.  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.
 *
 *
 *      $Id: sendmail.h,v 8.68 2002/07/01 22:18:53 gshapiro Exp $
 */

/*
**  SENDMAIL.H -- Global definitions for sendmail.
*/

#include <stdio.h>
#include <sm/bitops.h>
#include <sm/io.h>
#include <sm/string.h>
#include "conf.h"

/**********************************************************************
**  Table sizes, etc....
**      There shouldn't be much need to change these....
**********************************************************************/
#ifndef MAXMAILERS
# define MAXMAILERS     25      /* maximum mailers known to system */
#endif /* ! MAXMAILERS */

/*
**  Flags passed to safefile/safedirpath.
*/

#define SFF_ANYFILE     0L              /* no special restrictions */
#define SFF_MUSTOWN     0x00000001L     /* user must own this file */
#define SFF_NOSLINK     0x00000002L     /* file cannot be a symbolic link */
#define SFF_ROOTOK      0x00000004L     /* ok for root to own this file */
#define SFF_RUNASREALUID 0x00000008L    /* if no ctladdr, run as real uid */
#define SFF_NOPATHCHECK 0x00000010L     /* don't bother checking dir path */
#define SFF_SETUIDOK    0x00000020L     /* set-user-ID files are ok */
#define SFF_CREAT       0x00000040L     /* ok to create file if necessary */
#define SFF_REGONLY     0x00000080L     /* regular files only */
#define SFF_SAFEDIRPATH 0x00000100L     /* no writable directories allowed */
#define SFF_NOHLINK     0x00000200L     /* file cannot have hard links */
#define SFF_NOWLINK     0x00000400L     /* links only in non-writable dirs */
#define SFF_NOGWFILES   0x00000800L     /* disallow world writable files */
#define SFF_NOWWFILES   0x00001000L     /* disallow group writable files */
#define SFF_OPENASROOT  0x00002000L     /* open as root instead of real user */
#define SFF_NOLOCK      0x00004000L     /* don't lock the file */
#define SFF_NOGRFILES   0x00008000L     /* disallow g readable files */
#define SFF_NOWRFILES   0x00010000L     /* disallow o readable files */
#define SFF_NOTEXCL     0x00020000L     /* creates don't need to be exclusive */
#define SFF_EXECOK      0x00040000L     /* executable files are ok (E_SM_ISEXEC) */
#define SFF_NBLOCK      0x00080000L     /* use a non-blocking lock */
#define SFF_NORFILES    (SFF_NOGRFILES|SFF_NOWRFILES)

/* pseudo-flags */
#define SFF_NOLINK      (SFF_NOHLINK|SFF_NOSLINK)

/* functions */
extern int      safefile __P((char *, UID_T, GID_T, char *, long, int, struct stat *));
extern int      safedirpath __P((char *, UID_T, GID_T, char *, long, int, int));
extern int      safeopen __P((char *, int, int, long));
extern SM_FILE_T*safefopen __P((char *, int, int, long));
extern int      dfopen __P((char *, int, int, long));
extern bool     filechanged __P((char *, int, struct stat *));

/*
**  DontBlameSendmail options
**
**      Hopefully nobody uses these.
*/

#define DBS_SAFE                                        0
#define DBS_ASSUMESAFECHOWN                             1
#define DBS_GROUPWRITABLEDIRPATHSAFE                    2
#define DBS_GROUPWRITABLEFORWARDFILESAFE                3
#define DBS_GROUPWRITABLEINCLUDEFILESAFE                4
#define DBS_GROUPWRITABLEALIASFILE                      5
#define DBS_WORLDWRITABLEALIASFILE                      6
#define DBS_FORWARDFILEINUNSAFEDIRPATH                  7
#define DBS_MAPINUNSAFEDIRPATH                          8
#define DBS_LINKEDALIASFILEINWRITABLEDIR                9
#define DBS_LINKEDCLASSFILEINWRITABLEDIR                10
#define DBS_LINKEDFORWARDFILEINWRITABLEDIR              11
#define DBS_LINKEDINCLUDEFILEINWRITABLEDIR              12
#define DBS_LINKEDMAPINWRITABLEDIR                      13
#define DBS_LINKEDSERVICESWITCHFILEINWRITABLEDIR        14
#define DBS_FILEDELIVERYTOHARDLINK                      15
#define DBS_FILEDELIVERYTOSYMLINK                       16
#define DBS_WRITEMAPTOHARDLINK                          17
#define DBS_WRITEMAPTOSYMLINK                           18
#define DBS_WRITESTATSTOHARDLINK                        19
#define DBS_WRITESTATSTOSYMLINK                         20
#define DBS_FORWARDFILEINGROUPWRITABLEDIRPATH           21
#define DBS_INCLUDEFILEINGROUPWRITABLEDIRPATH           22
#define DBS_CLASSFILEINUNSAFEDIRPATH                    23
#define DBS_ERRORHEADERINUNSAFEDIRPATH                  24
#define DBS_HELPFILEINUNSAFEDIRPATH                     25
#define DBS_FORWARDFILEINUNSAFEDIRPATHSAFE              26
#define DBS_INCLUDEFILEINUNSAFEDIRPATHSAFE              27
#define DBS_RUNPROGRAMINUNSAFEDIRPATH                   28
#define DBS_RUNWRITABLEPROGRAM                          29
#define DBS_INCLUDEFILEINUNSAFEDIRPATH                  30
#define DBS_NONROOTSAFEADDR                             31
#define DBS_TRUSTSTICKYBIT                              32
#define DBS_DONTWARNFORWARDFILEINUNSAFEDIRPATH          33
#define DBS_INSUFFICIENTENTROPY                         34
#define DBS_GROUPREADABLESASLDBFILE                     35
#define DBS_GROUPWRITABLESASLDBFILE                     36
#define DBS_GROUPWRITABLEFORWARDFILE                    37
#define DBS_GROUPWRITABLEINCLUDEFILE                    38
#define DBS_WORLDWRITABLEFORWARDFILE                    39
#define DBS_WORLDWRITABLEINCLUDEFILE                    40
#define DBS_GROUPREADABLEKEYFILE                        41
#if _FFR_GROUPREADABLEAUTHINFOFILE
# define DBS_GROUPREADABLEAUTHINFOFILE                  42
#endif /* _FFR_GROUPREADABLEAUTHINFOFILE */

/* struct defining such things */
struct dbsval
{
        char            *dbs_name;      /* name of DontBlameSendmail flag */
        unsigned char   dbs_flag;       /* numeric level */
};

/* Flags for submitmode */
#define SUBMIT_UNKNOWN  0x0000  /* unknown agent type */
#define SUBMIT_MTA      0x0001  /* act like a message transfer agent */
#define SUBMIT_MSA      0x0002  /* act like a message submission agent */