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reapply (relevant parts of) lost patch: 

revision 1.3
date: 1999/02/22 02:37:27;  author: mrg;  state: Exp;  lines: +19 -1
if we are chrooting, write a symlink for the pid file so that ndc, etc,
continue to work as normal.  this allows named to run in a chroot jail
with zero loss of functionality.
This commit is contained in:
mrg 2001-08-24 08:37:33 +00:00
parent cb3b720183
commit d7003aa4a3
1 changed files with 19 additions and 1 deletions
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20
dist/bind/bin/named/ns_main.c vendored
View File

@ -1,4 +1,4 @@
/* $NetBSD: ns_main.c,v 1.9 2001/05/17 22:59:40 itojun Exp $ */
/* $NetBSD: ns_main.c,v 1.10 2001/08/24 08:37:33 mrg Exp $ */
#if !defined(lint) && !defined(SABER)
static const char sccsid[] = "@(#)ns_main.c 4.55 (Berkeley) 7/1/91";
@ -421,6 +421,24 @@ main(int argc, char *argv[], char *envp[]) {
*/
if (chroot_dir != NULL) {
#ifdef HAVE_CHROOT
char *where;
/*
* first, symlink our pidfile from outside the chroot to
* inside, so that ndc still works properly, etc.
*/
if (asprintf(&where, "%s%s", chroot_dir, _PATH_PIDFILE) < 0) {
fprintf(stderr, "malloc failed: %s\n", strerror(errno));
exit(1);
}
(void)unlink(_PATH_PIDFILE);
if (symlink(where, _PATH_PIDFILE) < 0) {
fprintf(stderr, "symlink %s -> %s failed: %s\n",
_PATH_PIDFILE, where, strerror(errno));
exit(1);
}
free(where);
if (chroot(chroot_dir) < 0) {
fprintf(stderr, "chroot %s failed: %s\n", chroot_dir,
strerror(errno));