1995-05-30 06:41:30 +00:00
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/*
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1995-04-12 02:42:39 +00:00
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* at.c : Put file into atrun queue
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* Copyright (C) 1993, 1994 Thomas Koenig
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1994-01-05 01:09:14 +00:00
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*
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1995-04-12 02:42:39 +00:00
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* Atrun & Atq modifications
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* Copyright (C) 1993 David Parsons
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1994-01-05 01:09:14 +00:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author(s) may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define _USE_BSD 1
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/* System Headers */
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1995-04-12 02:42:39 +00:00
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1994-01-05 01:09:14 +00:00
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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1995-04-12 02:42:39 +00:00
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#ifndef __FreeBSD__
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#include <getopt.h>
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#endif
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1994-01-05 01:09:14 +00:00
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/* Local headers */
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1995-04-12 02:42:39 +00:00
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1994-01-05 01:09:14 +00:00
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#include "at.h"
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#include "panic.h"
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#include "parsetime.h"
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1995-04-12 02:42:39 +00:00
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#include "perm.h"
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1994-01-05 01:09:14 +00:00
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#define MAIN
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#include "privs.h"
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/* Macros */
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1995-04-12 02:42:39 +00:00
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1995-05-30 06:41:30 +00:00
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#ifndef ATJOB_DIR
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1995-04-12 02:42:39 +00:00
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#define ATJOB_DIR "/usr/spool/atjobs/"
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#endif
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#ifndef LFILE
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#define LFILE ATJOB_DIR ".lockfile"
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#endif
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#ifndef ATJOB_MX
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#define ATJOB_MX 255
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#endif
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#define ALARMC 10 /* Number of seconds to wait for timeout */
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1994-01-05 01:09:14 +00:00
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#define SIZE 255
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#define TIMESIZE 50
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/* File scope variables */
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1995-04-12 02:42:39 +00:00
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1995-05-30 06:41:30 +00:00
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static char rcsid[] = "$Id: at.c,v 1.4 1995/04/27 19:27:41 ache Exp $";
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1994-01-05 01:09:14 +00:00
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char *no_export[] =
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{
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1995-04-12 02:42:39 +00:00
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"TERM", "TERMCAP", "DISPLAY", "_"
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} ;
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1994-01-05 01:09:14 +00:00
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static send_mail = 0;
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/* External variables */
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1995-04-12 02:42:39 +00:00
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1994-01-05 01:09:14 +00:00
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extern char **environ;
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int fcreated;
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char *namep;
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1995-04-12 02:42:39 +00:00
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char atfile[] = ATJOB_DIR "12345678901234";
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1994-01-05 01:09:14 +00:00
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1995-04-12 02:42:39 +00:00
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char *atinput = (char*)0; /* where to get input from */
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1994-01-05 01:09:14 +00:00
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char atqueue = 0; /* which queue to examine for jobs (atq) */
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char atverify = 0; /* verify time instead of queuing job */
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/* Function declarations */
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1995-04-12 02:42:39 +00:00
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static void sigc(int signo);
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static void alarmc(int signo);
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static char *cwdname(void);
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static void writefile(time_t runtimer, char queue);
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static void list_jobs(void);
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1994-01-05 01:09:14 +00:00
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/* Signal catching functions */
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1995-04-12 02:42:39 +00:00
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static void sigc(int signo)
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1994-01-05 01:09:14 +00:00
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{
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1995-05-30 06:41:30 +00:00
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/* If the user presses ^C, remove the spool file and exit
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1994-01-05 01:09:14 +00:00
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*/
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1995-04-12 02:42:39 +00:00
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if (fcreated)
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{
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PRIV_START
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unlink(atfile);
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PRIV_END
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}
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1994-01-05 01:09:14 +00:00
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1995-04-12 02:42:39 +00:00
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exit(EXIT_FAILURE);
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1994-01-05 01:09:14 +00:00
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}
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1995-04-12 02:42:39 +00:00
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static void alarmc(int signo)
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1994-01-05 01:09:14 +00:00
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{
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/* Time out after some seconds
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*/
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1995-04-12 02:42:39 +00:00
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panic("File locking timed out");
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1994-01-05 01:09:14 +00:00
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}
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/* Local functions */
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1995-04-12 02:42:39 +00:00
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static char *cwdname(void)
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1994-01-05 01:09:14 +00:00
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{
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/* Read in the current directory; the name will be overwritten on
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* subsequent calls.
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*/
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1995-04-12 02:42:39 +00:00
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static char *ptr = NULL;
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static size_t size = SIZE;
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1994-01-05 01:09:14 +00:00
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1995-04-12 02:42:39 +00:00
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if (ptr == NULL)
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ptr = (char *) mymalloc(size);
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1994-01-05 01:09:14 +00:00
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1995-04-12 02:42:39 +00:00
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while (1)
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{
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if (ptr == NULL)
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panic("Out of memory");
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if (getcwd(ptr, size-1) != NULL)
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return ptr;
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1995-05-30 06:41:30 +00:00
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1995-04-12 02:42:39 +00:00
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if (errno != ERANGE)
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perr("Cannot get directory");
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1995-05-30 06:41:30 +00:00
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1995-04-12 02:42:39 +00:00
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free (ptr);
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size += SIZE;
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ptr = (char *) mymalloc(size);
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}
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1994-01-05 01:09:14 +00:00
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}
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static void
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1995-04-12 02:42:39 +00:00
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writefile(time_t runtimer, char queue)
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1994-01-05 01:09:14 +00:00
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{
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1995-04-12 02:42:39 +00:00
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/* This does most of the work if at or batch are invoked for writing a job.
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*/
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int i;
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char *ap, *ppos, *mailname;
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struct passwd *pass_entry;
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struct stat statbuf;
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int fdes, lockdes, fd2;
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FILE *fp, *fpin;
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struct sigaction act;
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char **atenv;
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int ch;
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mode_t cmask;
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struct flock lock;
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1995-05-30 06:41:30 +00:00
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1995-04-12 02:42:39 +00:00
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/* Install the signal handler for SIGINT; terminate after removing the
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* spool file if necessary
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*/
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act.sa_handler = sigc;
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sigemptyset(&(act.sa_mask));
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act.sa_flags = 0;
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sigaction(SIGINT, &act, NULL);
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ppos = atfile + strlen(ATJOB_DIR);
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/* Loop over all possible file names for running something at this
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* particular time, see if a file is there; the first empty slot at any
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* particular time is used. Lock the file LFILE first to make sure
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* we're alone when doing this.
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*/
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PRIV_START
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if ((lockdes = open(LFILE, O_WRONLY | O_CREAT, S_IWUSR | S_IRUSR)) < 0)
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perr("Cannot open lockfile " LFILE);
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lock.l_type = F_WRLCK; lock.l_whence = SEEK_SET; lock.l_start = 0;
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lock.l_len = 0;
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act.sa_handler = alarmc;
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sigemptyset(&(act.sa_mask));
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act.sa_flags = 0;
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/* Set an alarm so a timeout occurs after ALARMC seconds, in case
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* something is seriously broken.
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*/
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sigaction(SIGALRM, &act, NULL);
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alarm(ALARMC);
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fcntl(lockdes, F_SETLKW, &lock);
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alarm(0);
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for(i=0; i<ATJOB_MX; i++)
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{
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1995-05-30 06:41:30 +00:00
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sprintf(ppos, "%c%8lx.%2x", queue,
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1995-04-12 02:42:39 +00:00
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(unsigned long) (runtimer/60), i);
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for(ap=ppos; *ap != '\0'; ap ++)
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if (*ap == ' ')
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*ap = '0';
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if (stat(atfile, &statbuf) != 0)
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{
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if (errno == ENOENT)
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break;
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else
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perr("Cannot access " ATJOB_DIR);
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1994-01-05 01:09:14 +00:00
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}
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1995-04-12 02:42:39 +00:00
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} /* for */
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if (i >= ATJOB_MX)
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panic("Too many jobs already");
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/* Create the file. The x bit is only going to be set after it has
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* been completely written out, to make sure it is not executed in the
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* meantime. To make sure they do not get deleted, turn off their r
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* bit. Yes, this is a kluge.
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*/
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cmask = umask(S_IRUSR | S_IWUSR | S_IXUSR);
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if ((fdes = creat(atfile, O_WRONLY)) == -1)
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1995-05-30 06:41:30 +00:00
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perr("Cannot create atjob file");
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1995-04-12 02:42:39 +00:00
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if ((fd2 = dup(fdes)) <0)
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perr("Error in dup() of job file");
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if(fchown(fd2, real_uid, real_gid) != 0)
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perr("Cannot give away file");
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PRIV_END
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1995-04-27 19:27:42 +00:00
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/* We no longer need suid root; now we just need to be able to write
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* to the directory, if necessary.
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*/
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REDUCE_PRIV(DAEMON_UID, DAEMON_GID)
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1995-05-30 06:41:30 +00:00
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/* We've successfully created the file; let's set the flag so it
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1995-04-12 02:42:39 +00:00
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* gets removed in case of an interrupt or error.
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*/
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fcreated = 1;
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/* Now we can release the lock, so other people can access it
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*/
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lock.l_type = F_UNLCK; lock.l_whence = SEEK_SET; lock.l_start = 0;
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lock.l_len = 0;
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fcntl(lockdes, F_SETLKW, &lock);
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close(lockdes);
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if((fp = fdopen(fdes, "w")) == NULL)
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panic("Cannot reopen atjob file");
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/* Get the userid to mail to, first by trying getlogin(), which reads
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* /etc/utmp, then from LOGNAME, finally from getpwuid().
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*/
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mailname = getlogin();
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if (mailname == NULL)
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mailname = getenv("LOGNAME");
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1995-05-30 06:41:30 +00:00
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if ((mailname == NULL) || (mailname[0] == '\0')
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1995-04-12 02:42:39 +00:00
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|| (strlen(mailname) > 8) || (getpwnam(mailname)==NULL))
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{
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pass_entry = getpwuid(getuid());
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if (pass_entry != NULL)
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mailname = pass_entry->pw_name;
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}
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if (atinput != (char *) NULL)
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{
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fpin = freopen(atinput, "r", stdin);
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if (fpin == NULL)
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perr("Cannot open input file");
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}
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fprintf(fp, "#! /bin/sh\n# mail %8s %d\n", mailname, send_mail);
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/* Write out the umask at the time of invocation
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*/
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fprintf(fp, "umask %lo\n", (unsigned long) cmask);
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/* Write out the environment. Anything that may look like a
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* special character to the shell is quoted, except for \n, which is
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* done with a pair of "'s. Dont't export the no_export list (such
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* as TERM or DISPLAY) because we don't want these.
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*/
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for (atenv= environ; *atenv != NULL; atenv++)
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{
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int export = 1;
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char *eqp;
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eqp = strchr(*atenv, '=');
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if (ap == NULL)
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eqp = *atenv;
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else
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{
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int i;
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for (i=0; i<sizeof(no_export)/sizeof(no_export[0]); i++)
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{
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export = export
|
1995-05-30 06:41:30 +00:00
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&& (strncmp(*atenv, no_export[i],
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1995-04-12 02:42:39 +00:00
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(size_t) (eqp-*atenv)) != 0);
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}
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eqp++;
|
1994-01-05 01:09:14 +00:00
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}
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1995-04-12 02:42:39 +00:00
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|
|
if (export)
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{
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fwrite(*atenv, sizeof(char), eqp-*atenv, fp);
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for(ap = eqp;*ap != '\0'; ap++)
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{
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if (*ap == '\n')
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fprintf(fp, "\"\n\"");
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|
else
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{
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|
if (*ap != '/' && !isalnum(*ap))
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|
|
fputc('\\', fp);
|
1995-05-30 06:41:30 +00:00
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|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
fputc(*ap, fp);
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
}
|
|
|
|
fputs("; export ", fp);
|
|
|
|
fwrite(*atenv, sizeof(char), eqp-*atenv -1, fp);
|
|
|
|
fputc('\n', fp);
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
}
|
1995-05-30 06:41:30 +00:00
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
/* Cd to the directory at the time and write out all the
|
|
|
|
* commands the user supplies from stdin.
|
|
|
|
*/
|
|
|
|
fprintf(fp, "cd ");
|
|
|
|
for (ap = cwdname(); *ap != '\0'; ap++)
|
|
|
|
{
|
|
|
|
if (*ap == '\n')
|
|
|
|
fprintf(fp, "\"\n\"");
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (*ap != '/' && !isalnum(*ap))
|
|
|
|
fputc('\\', fp);
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
fputc(*ap, fp);
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
}
|
|
|
|
/* Test cd's exit status: die if the original directory has been
|
|
|
|
* removed, become unreadable or whatever
|
|
|
|
*/
|
|
|
|
fprintf(fp, " || {\n\t echo 'Execution directory "
|
|
|
|
"inaccessible' >&2\n\t exit 1\n}\n");
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
while((ch = getchar()) != EOF)
|
|
|
|
fputc(ch, fp);
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
fprintf(fp, "\n");
|
|
|
|
if (ferror(fp))
|
|
|
|
panic("Output error");
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
if (ferror(stdin))
|
|
|
|
panic("Input error");
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
fclose(fp);
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
/* Set the x bit so that we're ready to start executing
|
|
|
|
*/
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
if (fchmod(fd2, S_IRUSR | S_IWUSR | S_IXUSR) < 0)
|
|
|
|
perr("Cannot give away file");
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
close(fd2);
|
|
|
|
fprintf(stderr, "Job %s will be executed using /bin/sh\n", ppos);
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
list_jobs()
|
|
|
|
{
|
1995-05-30 06:41:30 +00:00
|
|
|
/* List all a user's jobs in the queue, by looping through ATJOB_DIR,
|
1995-04-12 02:42:39 +00:00
|
|
|
* or everybody's if we are root
|
|
|
|
*/
|
|
|
|
struct passwd *pw;
|
|
|
|
DIR *spool;
|
|
|
|
struct dirent *dirent;
|
|
|
|
struct stat buf;
|
|
|
|
struct tm runtime;
|
|
|
|
unsigned long ctm;
|
|
|
|
char queue;
|
|
|
|
time_t runtimer;
|
|
|
|
char timestr[TIMESIZE];
|
|
|
|
int first=1;
|
|
|
|
|
|
|
|
PRIV_START
|
|
|
|
|
|
|
|
if (chdir(ATJOB_DIR) != 0)
|
|
|
|
perr("Cannot change to " ATJOB_DIR);
|
|
|
|
|
|
|
|
if ((spool = opendir(".")) == NULL)
|
|
|
|
perr("Cannot open " ATJOB_DIR);
|
|
|
|
|
1995-05-30 06:41:30 +00:00
|
|
|
/* Loop over every file in the directory
|
1995-04-12 02:42:39 +00:00
|
|
|
*/
|
|
|
|
while((dirent = readdir(spool)) != NULL) {
|
|
|
|
if (stat(dirent->d_name, &buf) != 0)
|
|
|
|
perr("Cannot stat in " ATJOB_DIR);
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
/* See it's a regular file and has its x bit turned on and
|
|
|
|
* is the user's
|
|
|
|
*/
|
|
|
|
if (!S_ISREG(buf.st_mode)
|
|
|
|
|| ((buf.st_uid != real_uid) && ! (real_uid == 0))
|
|
|
|
|| !(S_IXUSR & buf.st_mode || atverify))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if(sscanf(dirent->d_name, "%c%8lx", &queue, &ctm)!=2)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (atqueue && (queue != atqueue))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
runtimer = 60*(time_t) ctm;
|
|
|
|
runtime = *localtime(&runtimer);
|
|
|
|
strftime(timestr, TIMESIZE, "%X %x", &runtime);
|
|
|
|
if (first) {
|
|
|
|
printf("Date\t\t\tOwner\tQueue\tJob#\n");
|
|
|
|
first=0;
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
pw = getpwuid(buf.st_uid);
|
|
|
|
|
1995-05-30 06:41:30 +00:00
|
|
|
printf("%s\t%s\t%c%s\t%s\n",
|
|
|
|
timestr,
|
|
|
|
pw ? pw->pw_name : "???",
|
|
|
|
queue,
|
|
|
|
(S_IXUSR & buf.st_mode) ? "":"(done)",
|
1995-04-12 02:42:39 +00:00
|
|
|
dirent->d_name);
|
|
|
|
}
|
|
|
|
PRIV_END
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
1995-04-12 02:42:39 +00:00
|
|
|
delete_jobs(int argc, char **argv)
|
1994-01-05 01:09:14 +00:00
|
|
|
{
|
1995-04-12 02:42:39 +00:00
|
|
|
/* Delete every argument (job - ID) given
|
|
|
|
*/
|
|
|
|
int i;
|
|
|
|
struct stat buf;
|
|
|
|
|
|
|
|
PRIV_START
|
|
|
|
|
|
|
|
if (chdir(ATJOB_DIR) != 0)
|
|
|
|
perr("Cannot change to " ATJOB_DIR);
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
for (i=optind; i < argc; i++) {
|
1995-04-15 22:08:10 +00:00
|
|
|
if (stat(argv[i], &buf) != 0) {
|
1995-04-12 02:42:39 +00:00
|
|
|
perr(argv[i]);
|
1995-04-15 22:08:10 +00:00
|
|
|
continue;
|
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
if ((buf.st_uid != real_uid) && !(real_uid == 0)) {
|
|
|
|
fprintf(stderr, "%s: Not owner\n", argv[i]);
|
1995-04-15 22:08:10 +00:00
|
|
|
continue;
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|
1995-04-12 02:42:39 +00:00
|
|
|
if (unlink(argv[i]) != 0)
|
|
|
|
perr(argv[i]);
|
|
|
|
}
|
|
|
|
PRIV_END
|
|
|
|
} /* delete_jobs */
|
1994-01-05 01:09:14 +00:00
|
|
|
|
|
|
|
/* Global functions */
|
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
void *
|
|
|
|
mymalloc(size_t n)
|
|
|
|
{
|
|
|
|
void *p;
|
|
|
|
if ((p=malloc(n))==(void *)0)
|
|
|
|
{
|
|
|
|
fprintf(stderr,"Virtual memory exhausted\n");
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
return p;
|
|
|
|
}
|
|
|
|
|
1994-01-05 01:09:14 +00:00
|
|
|
int
|
1995-04-12 02:42:39 +00:00
|
|
|
main(int argc, char **argv)
|
1994-01-05 01:09:14 +00:00
|
|
|
{
|
1995-04-12 02:42:39 +00:00
|
|
|
int c;
|
|
|
|
char queue = DEFAULT_AT_QUEUE;
|
|
|
|
char queue_set = 0;
|
|
|
|
char *pgm;
|
|
|
|
|
|
|
|
enum { ATQ, ATRM, AT, BATCH }; /* what program we want to run */
|
|
|
|
int program = AT; /* our default program */
|
|
|
|
char *options = "q:f:mvldbV"; /* default options for at */
|
|
|
|
int disp_version = 0;
|
|
|
|
time_t timer;
|
|
|
|
|
|
|
|
RELINQUISH_PRIVS
|
|
|
|
|
|
|
|
/* Eat any leading paths
|
|
|
|
*/
|
|
|
|
if ((pgm = strrchr(argv[0], '/')) == NULL)
|
|
|
|
pgm = argv[0];
|
|
|
|
else
|
|
|
|
pgm++;
|
|
|
|
|
|
|
|
namep = pgm;
|
|
|
|
|
|
|
|
/* find out what this program is supposed to do
|
|
|
|
*/
|
|
|
|
if (strcmp(pgm, "atq") == 0) {
|
|
|
|
program = ATQ;
|
|
|
|
options = "q:vV";
|
|
|
|
}
|
|
|
|
else if (strcmp(pgm, "atrm") == 0) {
|
|
|
|
program = ATRM;
|
|
|
|
options = "V";
|
|
|
|
}
|
|
|
|
else if (strcmp(pgm, "batch") == 0) {
|
|
|
|
program = BATCH;
|
|
|
|
options = "f:q:mvV";
|
|
|
|
}
|
|
|
|
|
|
|
|
/* process whatever options we can process
|
|
|
|
*/
|
|
|
|
opterr=1;
|
|
|
|
while ((c=getopt(argc, argv, options)) != EOF)
|
|
|
|
switch (c) {
|
|
|
|
case 'v': /* verify time settings */
|
|
|
|
atverify = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'm': /* send mail when job is complete */
|
|
|
|
send_mail = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'f':
|
|
|
|
atinput = optarg;
|
|
|
|
break;
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
case 'q': /* specify queue */
|
|
|
|
if (strlen(optarg) > 1)
|
|
|
|
usage();
|
|
|
|
|
|
|
|
atqueue = queue = *optarg;
|
|
|
|
if (!(islower(queue)||isupper(queue)))
|
|
|
|
usage();
|
|
|
|
|
|
|
|
queue_set = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'd':
|
|
|
|
if (program != AT)
|
|
|
|
usage();
|
|
|
|
|
|
|
|
program = ATRM;
|
|
|
|
options = "V";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'l':
|
|
|
|
if (program != AT)
|
|
|
|
usage();
|
|
|
|
|
|
|
|
program = ATQ;
|
|
|
|
options = "q:vV";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'b':
|
|
|
|
if (program != AT)
|
|
|
|
usage();
|
|
|
|
|
|
|
|
program = BATCH;
|
|
|
|
options = "f:q:mvV";
|
|
|
|
break;
|
|
|
|
|
|
|
|
case 'V':
|
|
|
|
disp_version = 1;
|
|
|
|
break;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
default:
|
|
|
|
usage();
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/* end of options eating
|
|
|
|
*/
|
|
|
|
|
|
|
|
if (disp_version)
|
|
|
|
fprintf(stderr, "at version " VERSION "\n"
|
|
|
|
"Bug reports to: ig25@rz.uni-karlsruhe.de (Thomas Koenig)\n");
|
|
|
|
|
|
|
|
/* select our program
|
|
|
|
*/
|
|
|
|
if(!check_permission())
|
|
|
|
{
|
|
|
|
fprintf(stderr, "You do not have permission to use %s.\n",namep);
|
|
|
|
exit(EXIT_FAILURE);
|
|
|
|
}
|
|
|
|
switch (program) {
|
|
|
|
case ATQ:
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
REDUCE_PRIV(DAEMON_UID, DAEMON_GID)
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
list_jobs();
|
|
|
|
break;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
case ATRM:
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
REDUCE_PRIV(DAEMON_UID, DAEMON_GID)
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
delete_jobs(argc, argv);
|
|
|
|
break;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
case AT:
|
|
|
|
timer = parsetime(argc, argv);
|
|
|
|
if (atverify)
|
|
|
|
{
|
|
|
|
struct tm *tm = localtime(&timer);
|
|
|
|
fprintf(stderr, "%s\n", asctime(tm));
|
|
|
|
}
|
|
|
|
writefile(timer, queue);
|
|
|
|
break;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
case BATCH:
|
|
|
|
if (queue_set)
|
|
|
|
queue = toupper(queue);
|
|
|
|
else
|
|
|
|
queue = DEFAULT_BATCH_QUEUE;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
if (argc > optind)
|
|
|
|
timer = parsetime(argc, argv);
|
|
|
|
else
|
|
|
|
timer = time(NULL);
|
1995-05-30 06:41:30 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
if (atverify)
|
|
|
|
{
|
|
|
|
struct tm *tm = localtime(&timer);
|
|
|
|
fprintf(stderr, "%s\n", asctime(tm));
|
|
|
|
}
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
writefile(timer, queue);
|
|
|
|
break;
|
1994-01-05 01:09:14 +00:00
|
|
|
|
1995-04-12 02:42:39 +00:00
|
|
|
default:
|
|
|
|
panic("Internal error");
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
exit(EXIT_SUCCESS);
|
1994-01-05 01:09:14 +00:00
|
|
|
}
|