1/* $NetBSD$ */ 2 3/* 4 * Id: macros.h,v 1.9 2004/01/23 18:56:43 vixie Exp 5 */ 6 7/* 8 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 9 * Copyright (c) 1997,2000 by Internet Software Consortium, Inc. 10 * 11 * Permission to use, copy, modify, and distribute this software for any 12 * purpose with or without fee is hereby granted, provided that the above 13 * copyright notice and this permission notice appear in all copies. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 16 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 17 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 18 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 20 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 21 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 22 */ 23 24 /* these are really immutable, and are 25 * defined for symbolic convenience only 26 * TRUE, FALSE, and ERR must be distinct 27 * ERR must be < OK. 28 */ 29#define TRUE 1 30#define FALSE 0 31 /* system calls return this on success */ 32#define OK 0 33 /* or this on error */ 34#define ERR (-1) 35 36 /* turn this on to get '-x' code */ 37#ifndef DEBUGGING 38#define DEBUGGING FALSE 39#endif 40 41#define INIT_PID 1 /* parent of orphans */ 42#define READ_PIPE 0 /* which end of a pipe pair do you read? */ 43#define WRITE_PIPE 1 /* or write to? */ 44#define STDIN 0 /* what is stdin's file descriptor? */ 45#define STDOUT 1 /* stdout's? */ 46#define STDERR 2 /* stderr's? */ 47#define ERROR_EXIT 1 /* exit() with this will scare the shell */ 48#define OK_EXIT 0 /* exit() with this is considered 'normal' */ 49#define MAX_FNAME 100 /* max length of internally generated fn */ 50#define MAX_COMMAND 1000 /* max length of internally generated cmd */ 51#define MAX_ENVSTR 1000 /* max length of envvar=value\0 strings */ 52#define MAX_TEMPSTR 100 /* obvious */ 53#define MAX_UNAME 33 /* max length of username, should be overkill */ 54#define ROOT_UID 0 /* don't change this, it really must be root */ 55#define ROOT_USER "root" /* ditto */ 56 57 /* NOTE: these correspond to DebugFlagNames, 58 * defined below. 59 */ 60#define DEXT 0x0001 /* extend flag for other debug masks */ 61#define DSCH 0x0002 /* scheduling debug mask */ 62#define DPROC 0x0004 /* process control debug mask */ 63#define DPARS 0x0008 /* parsing debug mask */ 64#define DLOAD 0x0010 /* database loading debug mask */ 65#define DMISC 0x0020 /* misc debug mask */ 66#define DTEST 0x0040 /* test mode: don't execute any commands */ 67 68#define PPC_NULL ((const char **)NULL) 69 70#ifndef MAXHOSTNAMELEN 71#define MAXHOSTNAMELEN 64 72#endif 73 74#define Skip_Blanks(c, f) \ 75 while (c == '\t' || c == ' ') \ 76 c = get_char(f) 77 78#define Skip_Nonblanks(c, f) \ 79 while (c!='\t' && c!=' ' && c!='\n' && c != EOF) \ 80 c = get_char(f) 81 82#if DEBUGGING 83# define Debug(mask, message) \ 84 if ((DebugFlags & (mask)) != 0) \ 85 printf message 86#else /* !DEBUGGING */ 87# define Debug(mask, message) do {} while (/*CONSTCOND*/0) 88#endif /* DEBUGGING */ 89 90#define Set_LineNum(ln) do { \ 91 Debug(DPARS|DEXT,("linenum=%d\n", ln)); \ 92 LineNumber = ln; \ 93} while (/*CONSTCOND*/0) 94 95#ifdef HAVE_TM_GMTOFF 96#define get_gmtoff(c, t) ((t)->tm_gmtoff) 97#endif 98 99#define SECONDS_PER_MINUTE 60 100#define SECONDS_PER_HOUR 3600 101 102#define FIRST_MINUTE 0 103#define LAST_MINUTE 59 104#define MINUTE_COUNT (LAST_MINUTE - FIRST_MINUTE + 1) 105 106#define FIRST_HOUR 0 107#define LAST_HOUR 23 108#define HOUR_COUNT (LAST_HOUR - FIRST_HOUR + 1) 109 110#define FIRST_DOM 1 111#define LAST_DOM 31 112#define DOM_COUNT (LAST_DOM - FIRST_DOM + 1) 113 114#define FIRST_MONTH 1 115#define LAST_MONTH 12 116#define MONTH_COUNT (LAST_MONTH - FIRST_MONTH + 1) 117 118/* note on DOW: 0 and 7 are both Sunday, for compatibility reasons. */ 119#define FIRST_DOW 0 120#define LAST_DOW 7 121#define DOW_COUNT (LAST_DOW - FIRST_DOW + 1) 122 123/* 124 * Because crontab/at files may be owned by their respective users we 125 * take extreme care in opening them. If the OS lacks the O_NOFOLLOW 126 * we will just have to live without it. In order for this to be an 127 * issue an attacker would have to subvert group CRON_GROUP. 128 */ 129#ifndef O_NOFOLLOW 130#define O_NOFOLLOW 0 131#endif 132