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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Thu, 18 Jul 2013 21:56:10 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r253456 - head/usr.bin/kdump
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Author: pjd
Date: Thu Jul 18 21:56:10 2013
New Revision: 253456
URL: http://svnweb.freebsd.org/changeset/base/253456

Log:
  - Make localtime(3) to work in sandbox.
  - Move strerror(3) initialization to its own function.

Modified:
  head/usr.bin/kdump/kdump.c

Modified: head/usr.bin/kdump/kdump.c
==============================================================================
--- head/usr.bin/kdump/kdump.c	Thu Jul 18 20:59:58 2013	(r253455)
+++ head/usr.bin/kdump/kdump.c	Thu Jul 18 21:56:10 2013	(r253456)
@@ -165,6 +165,31 @@ struct proc_info
 
 TAILQ_HEAD(trace_procs, proc_info) trace_procs;
 
+static void
+strerror_init(void)
+{
+
+	/*
+	 * Cache NLS data before entering capability mode.
+	 * XXXPJD: There should be strerror_init() and strsignal_init() in libc.
+	 */
+	(void)catopen("libc", NL_CAT_LOCALE);
+}
+
+static void
+localtime_init(void)
+{
+	time_t ltime;
+
+	/*
+	 * Allow localtime(3) to cache /etc/localtime content before entering
+	 * capability mode.
+	 * XXXPJD: There should be localtime_init() in libc.
+	 */
+	(void)time(&ltime);
+	(void)localtime(&ltime);
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -236,11 +261,9 @@ main(int argc, char *argv[])
 	if (!freopen(tracefile, "r", stdin))
 		err(1, "%s", tracefile);
 
-	/*
-	 * Cache NLS data before entering capability mode.
-	 * XXXPJD: There should be strerror_init() and strsignal_init() in libc.
-	 */
-	(void)catopen("libc", NL_CAT_LOCALE);
+	strerror_init();
+	localtime_init();
+
 	if (resolv == 0) {
 		if (cap_enter() < 0 && errno != ENOSYS)
 			err(1, "unable to enter capability mode");