defs.h

   1
   2 /*
   3  * DEFS.H
   4  *
   5  * Copyright 1994-1998 Matthew Dillon (dillon@backplane.com)
   6  * Copyright 2009 James Pryor <profjim@jimpryor.net>
   7  * May be distributed under the GNU General Public License
   8  */
   9
  10 #include <sys/types.h>
  11 #include <sys/stat.h>
  12 #include <sys/ioctl.h>
  13 #include <sys/wait.h>
  14 #include <sys/resource.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <stdarg.h>
  18 #include <string.h>
  19 #include <errno.h>
  20 #define __USE_XOPEN
  21 #include <time.h>
  22 #include <dirent.h>
  23 #include <fcntl.h>
  24 #include <pwd.h>
  25 #include <unistd.h>
  26 #include <grp.h>
  27 #include <syslog.h>
  28 #include <signal.h>
  29 #include <getopt.h>
  30 #include <err.h>
  31 #include <limits.h>
  32
  33 #define Prototype extern
  34 #define arysize(ary)    (sizeof(ary)/sizeof((ary)[0]))
  35
  36 #ifndef CRONTABS
  37 #define CRONTABS        "/var/spool/cron/crontabs"
  38 #endif
  39 #ifndef TIMESTAMPS
  40 #define TIMESTAMPS      "/var/spool/cron/timestamps"
  41 #endif
  42 #ifndef TIMESTAMP_FMT
  43 #define TIMESTAMP_FMT   "%Y-%m-%d %H:%M"
  44 #endif
  45 #ifndef SCRONTABS
  46 #define SCRONTABS       "/etc/cron.d"
  47 #endif
  48 #ifndef TMPDIR
  49 #define TMPDIR          "/tmp"
  50 #endif
  51 #ifndef LOG_FILE
  52 #define LOG_FILE        "/var/log/crond.log"
  53 #endif
  54 #ifndef LOG_IDENT
  55 #define LOG_IDENT       "crond"
  56 #endif
  57 #ifndef LOG_DATE_FMT
  58 #define LOG_DATE_FMT    "%b %e %H:%M:%S %%s " LOG_IDENT ": "
  59 #endif
  60 #ifndef OPEN_MAX
  61 #define OPEN_MAX        256
  62 #endif
  63
  64 #ifndef SENDMAIL
  65 #define SENDMAIL        "/usr/sbin/sendmail"
  66 #endif
  67 #ifndef SENDMAIL_ARGS
  68 #define SENDMAIL_ARGS   "-t", "-oem", "-i"
  69 #endif
  70 #ifndef CRONUPDATE
  71 #define CRONUPDATE      "cron.update"
  72 #endif
  73 #ifndef MAXLINES
  74 #define MAXLINES        256             /* max lines in non-root crontabs */
  75 #endif
  76 #ifndef PATH_VI
  77 #define PATH_VI         "/usr/bin/vi"   /* location of vi       */
  78 #endif
  79
  80 #define HOURLY_FREQ             60 * 60
  81 #define DAILY_FREQ              24 * HOURLY_FREQ
  82 #define WEEKLY_FREQ             7 * DAILY_FREQ
  83 #define MONTHLY_FREQ    30 * DAILY_FREQ
  84 #define YEARLY_FREQ             365 * DAILY_FREQ
  85
  86 #define ID_TAG                  "ID="
  87 #define WAIT_TAG                "AFTER="
  88 #define FREQ_TAG                "FREQ="
  89
  90 #define VERSION "V4.0pre"
  91
  92 typedef struct CronFile {
  93     struct CronFile *cf_Next;
  94     struct CronLine *cf_LineBase;
  95     char        *cf_DPath;      /* Directory path to cronfile */
  96     char        *cf_FileName;   /* Name of cronfile */
  97     char        *cf_UserName;   /* username to execute jobs as */
  98     int         cf_Ready;       /* bool: one or more jobs ready */
  99     int         cf_Running;     /* bool: one or more jobs running */
 100     int         cf_Deleted;     /* marked for deletion, ignore  */
 101 } CronFile;
 102
 103 typedef struct CronLine {
 104     struct CronLine *cl_Next;
 105     char        *cl_Shell;      /* shell command                        */
 106         char    *cl_Description;        /* either "<cl_Shell>" or "job <cl_JobName>" */
 107         char    *cl_JobName;    /* job name, if any                     */
 108         char    *cl_Timestamp;  /* path to timestamp file, if cl_Freq defined */
 109         struct  CronWaiter *cl_Waiters;
 110         struct  CronNotifier *cl_Notifs;
 111         int             cl_Freq;                /* 0 (use arrays),  minutes, -1 (noauto), -2 (startup)  */
 112         int             cl_Delay;               /* defaults to cl_Freq or hourly        */
 113         time_t  cl_LastRan;
 114         time_t  cl_NotUntil;
 115         int             cl_Pid;                 /* running pid, 0, or armed (-1), or waiting (-2) */
 116     int         cl_MailFlag;    /* running pid is for mail              */
 117     int         cl_MailPos;     /* 'empty file' size                    */
 118     char        cl_Mins[60];    /* 0-59                         */
 119     char        cl_Hrs[24];     /* 0-23                                 */
 120     char        cl_Days[32];    /* 1-31                                 */
 121     char        cl_Mons[12];    /* 0-11                         */
 122     char        cl_Dow[7];      /* 0-6, beginning sunday                */
 123 } CronLine;
 124
 125 typedef struct CronWaiter {
 126         struct  CronWaiter *cw_Next;
 127         struct  CronNotifier *cw_Notifier;
 128         struct  CronLine *cw_NotifLine;
 129         short   cw_Flag;
 130         int             cw_MaxWait;
 131 } CronWaiter;
 132
 133 typedef struct CronNotifier {
 134         struct  CronNotifier *cn_Next;
 135         struct  CronWaiter *cn_Waiter;
 136 } CronNotifier;
 137
 138 // #define RUN_RANOUT   1
 139 // #define RUN_RUNNING  2
 140 // #define RUN_FAILED   3
 141
 142 #include "protos.h"
 143