===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/calendar/calendar.c,v
retrieving revision 1.17
retrieving revision 1.35
diff -u -r1.17 -r1.35
--- src/usr.bin/calendar/calendar.c	2002/02/16 21:27:44	1.17
+++ src/usr.bin/calendar/calendar.c	2015/12/07 18:46:35	1.35
@@ -1,4 +1,4 @@
-/*	$OpenBSD: calendar.c,v 1.17 2002/02/16 21:27:44 millert Exp $	*/
+/*	$OpenBSD: calendar.c,v 1.35 2015/12/07 18:46:35 espie Exp $	*/
 
 /*
  * Copyright (c) 1989, 1993, 1994
@@ -12,11 +12,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -33,20 +29,6 @@
  * SUCH DAMAGE.
  */
 
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1989, 1993\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-#if 0
-static const char sccsid[] = "@(#)calendar.c  8.3 (Berkeley) 3/25/94";
-#else
-static char rcsid[] = "$OpenBSD: calendar.c,v 1.17 2002/02/16 21:27:44 millert Exp $";
-#endif
-#endif /* not lint */
-
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -59,8 +41,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <limits.h>
 #include <time.h>
-#include <tzfile.h>
 #include <unistd.h>
 
 #include "pathnames.h"
@@ -72,27 +54,28 @@
 
 struct passwd *pw;
 int doall = 0;
+int daynames = 0;
 time_t f_time = 0;
 int bodun_always = 0;
 
 int f_dayAfter = 0; /* days after current date */
 int f_dayBefore = 0; /* days before current date */
+int f_SetdayAfter = 0; /* calendar invoked with -A */
 
 struct specialev spev[NUMEV];
 
 void childsig(int);
 
 int
-main(argc, argv)
-	int argc;
-	char *argv[];
+main(int argc, char *argv[])
 {
 	int ch;
+	const char *errstr;
 	char *caldir;
 
 	(void)setlocale(LC_ALL, "");
 
-	while ((ch = getopt(argc, argv, "-abf:t:A:B:")) != -1)
+	while ((ch = getopt(argc, argv, "abwf:t:A:B:-")) != -1)
 		switch (ch) {
 		case '-':		/* backward contemptible */
 		case 'a':
@@ -102,7 +85,7 @@
 			break;
 
 		case 'b':
-			bodun_always++;
+			bodun_always = 1;
 			break;
 
 		case 'f': /* other calendar file */
@@ -115,13 +98,22 @@
 			break;
 
 		case 'A': /* days after current date */
-			f_dayAfter = atoi(optarg);
+			f_dayAfter = strtonum(optarg, 0, INT_MAX, &errstr);
+			if (errstr)
+				errx(1, "-A %s: %s", optarg, errstr);
+			f_SetdayAfter = 1;
 			break;
 
 		case 'B': /* days before current date */
-			f_dayBefore = atoi(optarg);
+			f_dayBefore = strtonum(optarg, 0, INT_MAX, &errstr);
+			if (errstr)
+				errx(1, "-B %s: %s", optarg, errstr);
 			break;
 
+		case 'w':
+			daynames = 1;
+			break;
+
 		default:
 			usage();
 		}
@@ -131,6 +123,15 @@
 	if (argc)
 		usage();
 
+	if (doall) {
+		if (pledge("stdio rpath tmppath fattr getpw id proc exec", NULL)
+		    == -1)
+			err(1, "pledge");
+	} else {
+		if (pledge("stdio rpath proc exec", NULL) == -1)
+			err(1, "pledge");
+	}
+
 	/* use current time */
 	if (f_time <= 0)
 	    (void)time(&f_time);
@@ -187,15 +188,16 @@
 				warn("fork");
 				continue;
 			case 0:	/* child */
+				(void)setpgid(getpid(), getpid());
 				(void)setlocale(LC_ALL, "");
 				if (setusercontext(NULL, pw, pw->pw_uid,
 				    LOGIN_SETALL ^ LOGIN_SETLOGIN))
-					err(1, "unable to set user context (uid %d)",
-					    (int)pw->pw_uid);
+					err(1, "unable to set user context (uid %u)",
+					    pw->pw_uid);
 				if (acstat) {
 					if (chdir(pw->pw_dir) ||
 					    stat(calendarFile, &sbuf) != 0 ||
-					    chdir(calendarHome) || 
+					    chdir(calendarHome) ||
 					    stat(calendarNoMail, &sbuf) == 0 ||
 					    stat(calendarFile, &sbuf) != 0)
 						exit(0);
@@ -232,12 +234,16 @@
 				/* It doesn't _really_ matter if the kill fails, e.g.
 				 * if there's only a zombie now.
 				 */
-				(void)kill(kid, SIGTERM);
-				warnx("uid %d did not finish in time", (int)pw->pw_uid);
+				if (getpgid(kid) != getpgrp())
+					(void)killpg(getpgid(kid), SIGTERM);
+				else
+					(void)kill(kid, SIGTERM);
+				warnx("uid %u did not finish in time", pw->pw_uid);
 			}
 			if (time(NULL) - t >= SECSPERDAY)
-				errx(2, "'calendar -a' took more than a day; stopped at uid %d",
-				    (int)pw->pw_uid);
+				errx(2, "'calendar -a' took more than a day; "
+				    "stopped at uid %u",
+				    pw->pw_uid);
 		}
 		for (;;) {
 			deadkid = waitpid(-1, &kidstat, WNOHANG);
@@ -246,10 +252,9 @@
 			runningkids--;
 		}
 		if (runningkids)
-			warnx(
-"%d child processes still running when 'calendar -a' finished", runningkids);
-	}
-	else if ((caldir = getenv("CALENDAR_DIR")) != NULL) {
+			warnx("%d child processes still running when "
+			    "'calendar -a' finished", runningkids);
+	} else if ((caldir = getenv("CALENDAR_DIR")) != NULL) {
 		if(!chdir(caldir))
 			cal();
 	} else
@@ -260,17 +265,16 @@
 
 
 void
-usage()
+usage(void)
 {
 	(void)fprintf(stderr,
-	    "usage: calendar [-a] [-A num] [-b] [-B num] [-t [[[cc]yy][mm]]dd] "
-	    "[-f calendarfile]\n");
+	    "usage: calendar [-abw] [-A num] [-B num] [-f calendarfile] "
+	    "[-t [[[cc]yy]mm]dd]\n");
 	exit(1);
 }
 
 
 void
-childsig(sig)
-	int sig;
+childsig(int signo)
 {
 }