upstream/1.1.0_cvsrelease/1.1.0_cvs

1 files changed, 0 insertions, 486 deletions

diff --git a/libexec/crond/entry.c b/libexec/crond/entry.c
deleted file mode 100644
index a20ddf8f5825..000000000000
--- a/libexec/crond/entry.c
+++ /dev/null
@@ -1,486 +0,0 @@
-#if !defined(lint) && !defined(LINT)
-static char rcsid[] = "$Header: /a/cvs/386BSD/src/libexec/crond/entry.c,v 1.1.1.1 1993/06/12 14:55:03 rgrimes Exp $";
-#endif
-
-/* vix 26jan87 [RCS'd; rest of log is in RCS file]
- * vix 01jan87 [added line-level error recovery]
- * vix 31dec86 [added /step to the from-to range, per bob@acornrc]
- * vix 30dec86 [written]
- */
-
-
-/* Copyright 1988,1990 by Paul Vixie
- * All rights reserved
- *
- * Distribute freely, except: don't remove my name from the source or
- * documentation (don't take credit for my work), mark your changes (don't
- * get me blamed for your possible bugs), don't alter or remove this
- * notice.  May be sold if buildable source is provided to buyer.  No
- * warrantee of any kind, express or implied, is included with this
- * software; use at your own risk, responsibility for damages (if any) to
- * anyone resulting from the use of this software rests entirely with the
- * user.
- *
- * Send bug reports, bug fixes, enhancements, requests, flames, etc., and
- * I'll try to keep a version up to date.  I can be reached as follows:
- * Paul Vixie, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013,
- * paul@vixie.sf.ca.us || {hoptoad,pacbell,decwrl,crash}!vixie!paul
- */
-
-
-#include "cron.h"
-
-typedef	enum
-	{e_none, e_minute, e_hour, e_dom, e_month, e_dow, e_cmd, e_timespec}
-	ecode_e;
-static char *ecodes[] =
-	{
-		"no error",
-		"bad minute",
-		"bad hour",
-		"bad day-of-month",
-		"bad month",
-		"bad day-of-week",
-		"bad command",
-		"bad time specifier"
-	};
-
-void
-free_entry(e)
-	entry	*e;
-{
-	int	free();
-
-	(void) free(e->cmd);
-	(void) free(e);
-}
-
-
-entry *
-load_entry(file, error_func)
-	FILE	*file;
-	void	(*error_func)();
-{
-	/* this function reads one crontab entry -- the next -- from a file.
-	 * it skips any leading blank lines, ignores comments, and returns
-	 * EOF if for any reason the entry can't be read and parsed.
-	 *
-	 * the entry IS parsed here, btw.
-	 *
-	 * syntax:
-	 *	minutes hours doms months dows cmd\n
-	 */
-
-	extern int	free();
-	extern char	*malloc(), *savestr();
-	extern void	unget_char();
-	static char	get_list();
-
-	ecode_e	ecode = e_none;
-	entry	*e;
-	int	ch;
-	void	skip_comments();
-	char	cmd[MAX_COMMAND];
-
-	e = (entry *) calloc(sizeof(entry), sizeof(char));
-
-	Debug(DPARS, ("load_entry()...about to eat comments\n"))
-
-	skip_comments(file);
-
-	ch = get_char(file);
-
-	/* ch is now the first useful character of a useful line.
-	 * it may be an @special or it may be the first character
-	 * of a list of minutes.
-	 */
-
-	if (ch == '@')
-	{
-		/* all of these should be flagged and load-limited; i.e.,
-		 * instead of @hourly meaning "0 * * * *" it should mean
-		 * "close to the front of every hour but not 'til the
-		 * system load is low".  Problems are: how do you know
-		 * what "low" means? (save me from /etc/crond.conf!) and:
-		 * how to guarantee low variance (how low is low?), which
-		 * means how to we run roughly every hour -- seems like
-		 * we need to keep a history or let the first hour set
-		 * the schedule, which means we aren't load-limited
-		 * anymore.  too much for my overloaded brain. (vix, jan90)
-		 * HINT
-		 */
-		ch = get_string(cmd, MAX_COMMAND, file, " \t\n");
-		if (!strcmp("reboot", cmd)) {
-			e->flags |= WHEN_REBOOT;
-		} else if (!strcmp("yearly", cmd) || !strcmp("annually", cmd)){
-			bit_set(e->minute, 0);
-			bit_set(e->hour, 0);
-			bit_set(e->dom, 0);
-			bit_set(e->month, 0);
-			bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
-		} else if (!strcmp("monthly", cmd)) {
-			bit_set(e->minute, 0);
-			bit_set(e->hour, 0);
-			bit_set(e->dom, 0);
-			bit_nset(e->month, 0, (LAST_MONTH-FIRST_MONTH+1));
-			bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
-		} else if (!strcmp("weekly", cmd)) {
-			bit_set(e->minute, 0);
-			bit_set(e->hour, 0);
-			bit_nset(e->dom, 0, (LAST_DOM-FIRST_DOM+1));
-			bit_nset(e->month, 0, (LAST_MONTH-FIRST_MONTH+1));
-			bit_set(e->dow, 0);
-		} else if (!strcmp("daily", cmd) || !strcmp("midnight", cmd)) {
-			bit_set(e->minute, 0);
-			bit_set(e->hour, 0);
-			bit_nset(e->dom, 0, (LAST_DOM-FIRST_DOM+1));
-			bit_nset(e->month, 0, (LAST_MONTH-FIRST_MONTH+1));
-			bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
-		} else if (!strcmp("hourly", cmd)) {
-			bit_set(e->minute, 0);
-			bit_set(e->hour, (LAST_HOUR-FIRST_HOUR+1));
-			bit_nset(e->dom, 0, (LAST_DOM-FIRST_DOM+1));
-			bit_nset(e->month, 0, (LAST_MONTH-FIRST_MONTH+1));
-			bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
-		} else {
-			ecode = e_timespec;
-			goto eof;
-		}
-	}
-	else
-	{
-		Debug(DPARS, ("load_entry()...about to parse numerics\n"))
-
-		ch = get_list(e->minute, FIRST_MINUTE, LAST_MINUTE,
-				PPC_NULL, ch, file);
-		if (ch == EOF)
-		{
-			ecode = e_minute;
-			goto eof;
-		}
-
-		/* hours
-		 */
-
-		ch = get_list(e->hour, FIRST_HOUR, LAST_HOUR,
-				PPC_NULL, ch, file);
-		if (ch == EOF)
-		{
-			ecode = e_hour;
-			goto eof;
-		}
-
-		/* DOM (days of month)
-		 */
-
-		if (ch == '*') e->flags |= DOM_STAR;
-		ch = get_list(e->dom, FIRST_DOM, LAST_DOM, PPC_NULL, ch, file);
-		if (ch == EOF)
-		{
-			ecode = e_dom;
-			goto eof;
-		}
-
-		/* month
-		 */
-
-		ch = get_list(e->month, FIRST_MONTH, LAST_MONTH,
-				MonthNames, ch, file);
-		if (ch == EOF)
-		{
-			ecode = e_month;
-			goto eof;
-		}
-
-		/* DOW (days of week)
-		 */
-
-		if (ch == '*') e->flags |= DOW_STAR;
-		ch = get_list(e->dow, FIRST_DOW, LAST_DOW,
-				DowNames, ch, file);
-		if (ch == EOF)
-		{
-			ecode = e_dow;
-			goto eof;
-		}
-	}
-
-	/* make sundays equivilent */
-	if (bit_test(e->dow, 0) || bit_test(e->dow, 7))
-	{
-		bit_set(e->dow, 0);
-		bit_set(e->dow, 7);
-	}
-
-	Debug(DPARS, ("load_entry()...about to parse command\n"))
-
-	/* ch is first character of a command.  everything up to the next
-	 * \n or EOF is part of the command... too bad we don't know in
-	 * advance how long it will be, since we need to malloc a string
-	 * for it... so, we limit it to MAX_COMMAND
-	 */ 
-	unget_char(ch, file);
-	ch = get_string(cmd, MAX_COMMAND, file, "\n");
-
-	/* a file without a \n before the EOF is rude, so we'll complain...
-	 */
-	if (ch == EOF)
-	{
-		ecode = e_cmd;
-		goto eof;
-	}
-
-	/* got the command in the 'cmd' string; save it in *e.
-	 */
-	e->cmd = savestr(cmd);
-
-	Debug(DPARS, ("load_entry()...returning successfully\n"))
-
-	/* success, fini, return pointer to the entry we just created...
-	 */
-	return e;
-
-eof:	/* if we want to return EOF, we have to jump down here and
-	 * free the entry we've been building.
-	 *
-	 * now, in some cases, a parse routine will have returned EOF to
-	 * indicate an error, but the file is not actually done.  since, in
-	 * that case, we only want to skip the line with the error on it,
-	 * we'll do that here.
-	 *
-	 * many, including the author, see what's below as evil programming
-	 * practice: since I didn't want to change the structure of this
-	 * whole function to support this error recovery, I recurse.  Cursed!
-	 * (At least it's tail-recursion, as if it matters in C - vix/8feb88)
-	 * I'm seriously considering using (another) GOTO...   argh!
-	 * (this does not get less disgusting over time.  vix/15nov88)
-	 */
-
-	(void) free(e);
-
-	if (feof(file))
-		return NULL;
-
-	if (error_func)
-		(*error_func)(ecodes[(int)ecode]);
-	do  {ch = get_char(file);}
-	while (ch != EOF && ch != '\n');
-	if (ch == EOF)
-		return NULL;
-	return load_entry(file, error_func);
-}
-
-
-static char
-get_list(bits, low, high, names, ch, file)
-	bitstr_t	*bits;		/* one bit per flag, default=FALSE */
-	int		low, high;	/* bounds, impl. offset for bitstr */
-	char		*names[];	/* NULL or *[] of names for these elements */
-	int		ch;		/* current character being processed */
-	FILE		*file;		/* file being read */
-{
-	static char	get_range();
-	register int	done;
-
-	/* we know that we point to a non-blank character here;
-	 * must do a Skip_Blanks before we exit, so that the
-	 * next call (or the code that picks up the cmd) can
-	 * assume the same thing.
-	 */
-
-	Debug(DPARS|DEXT, ("get_list()...entered\n"))
-
-	/* list = "*" | range {"," range}
-	 */
-	
-	if (ch == '*')
-	{
-		/* '*' means 'all elements'.
-		 */
-		bit_nset(bits, 0, (high-low+1));
-		goto exit;
-	}
-
-	/* clear the bit string, since the default is 'off'.
-	 */
-	bit_nclear(bits, 0, (high-low+1));
-
-	/* process all ranges
-	 */
-	done = FALSE;
-	while (!done)
-	{
-		ch = get_range(bits, low, high, names, ch, file);
-		if (ch == ',')
-			ch = get_char(file);
-		else
-			done = TRUE;
-	}
-
-exit:	/* exiting.  skip to some blanks, then skip over the blanks.
-	 */
-	Skip_Nonblanks(ch, file)
-	Skip_Blanks(ch, file)
-
-	Debug(DPARS|DEXT, ("get_list()...exiting w/ %02x\n", ch))
-
-	return ch;
-}
-
-
-static char
-get_range(bits, low, high, names, ch, file)
-	bitstr_t	*bits;		/* one bit per flag, default=FALSE */
-	int		low, high;	/* bounds, impl. offset for bitstr */
-	char		*names[];	/* NULL or names of elements */
-	int		ch;		/* current character being processed */
-	FILE		*file;		/* file being read */
-{
-	/* range = number | number "-" number [ "/" number ]
-	 */
-
-	static int	set_element();
-	static char	get_number();
-	register int	i;
-	auto int	num1, num2, num3;
-
-	Debug(DPARS|DEXT, ("get_range()...entering, exit won't show\n"))
-
-	if (EOF == (ch = get_number(&num1, low, names, ch, file)))
-		return EOF;
-
-	if (ch != '-')
-	{
-		/* not a range, it's a single number.
-		 */
-		if (EOF == set_element(bits, low, high, num1))
-			return EOF;
-	}
-	else
-	{
-		/* eat the dash
-		 */
-		ch = get_char(file);
-		if (ch == EOF)
-			return EOF;
-
-		/* get the number following the dash
-		 */
-		ch = get_number(&num2, low, names, ch, file);
-		if (ch == EOF)
-			return EOF;
-
-		/* check for step size
-		 */
-		if (ch == '/')
-		{
-			/* eat the slash
-			 */
-			ch = get_char(file);
-			if (ch == EOF)
-				return EOF;
-
-			/* get the step size -- note: we don't pass the
-			 * names here, because the number is not an
-			 * element id, it's a step size.  'low' is
-			 * sent as a 0 since there is no offset either.
-			 */
-			ch = get_number(&num3, 0, PPC_NULL, ch, file);
-			if (ch == EOF)
-				return EOF;
-		}
-		else
-		{
-			/* no step.  default==1.
-			 */
-			num3 = 1;
-		}
-
-		/* range. set all elements from num1 to num2, stepping
-		 * by num3.  (the step is a downward-compatible extension
-		 * proposed conceptually by bob@acornrc, syntactically
-		 * designed then implmented by paul vixie).
-		 */
-		for (i = num1;  i <= num2;  i += num3)
-			if (EOF == set_element(bits, low, high, i))
-				return EOF;
-	}
-	return ch;
-}
-
-
-static char
-get_number(numptr, low, names, ch, file)
-	int	*numptr;
-	int	low;
-	char	*names[];
-	char	ch;
-	FILE	*file;
-{
-	char	temp[MAX_TEMPSTR], *pc;
-	int	len, i, all_digits;
-
-	/* collect alphanumerics into our fixed-size temp array
-	 */
-	pc = temp;
-	len = 0;
-	all_digits = TRUE;
-	while (isalnum(ch))
-	{
-		if (++len >= MAX_TEMPSTR)
-			return EOF;
-
-		*pc++ = ch;
-
-		if (!isdigit(ch))
-			all_digits = FALSE;
-
-		ch = get_char(file);
-	}
-	*pc = '\0';
-
-	/* try to find the name in the name list
-	 */
-	if (names)
-		for (i = 0;  names[i] != NULL;  i++)
-		{
-			Debug(DPARS|DEXT,
-				("get_num, compare(%s,%s)\n", names[i], temp))
-			if (!nocase_strcmp(names[i], temp))
-			{
-				*numptr = i+low;
-				return ch;
-			}
-		}
-
-	/* no name list specified, or there is one and our string isn't
-	 * in it.  either way: if it's all digits, use its magnitude.
-	 * otherwise, it's an error.
-	 */
-	if (all_digits)
-	{
-		*numptr = atoi(temp);
-		return ch;
-	}
-
-	return EOF;
-}
-
-
-static int
-set_element(bits, low, high, number)
-	bitstr_t	*bits; 		/* one bit per flag, default=FALSE */
-	int		low;
-	int		high;
-	int		number;
-{
-	Debug(DPARS|DEXT, ("set_element(?,%d,%d,%d)\n", low, high, number))
-
-	if (number < low || number > high)
-		return EOF;
-
-	Debug(DPARS|DEXT, ("bit_set(%x,%d)\n",bits,(number-low)))
-	bit_set(bits, (number-low));
-	Debug(DPARS|DEXT, ("bit_set succeeded\n"))
-	return OK;
-}