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fail to create a pidfile if hostname contains '/'

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ryo 2020-03-30 08:24:36 +00:00
parent 3bf82836bf
commit b061283a45
1 changed files with 8 additions and 2 deletions
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10
lib/libutil/pidlock.c
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@ -1,4 +1,4 @@
/* $NetBSD: pidlock.c,v 1.16 2012/04/07 16:17:17 christos Exp $ */
/* $NetBSD: pidlock.c,v 1.17 2020/03/30 08:24:36 ryo Exp $ */
/*
* Copyright 1996, 1997 by Curt Sampson <cjs@NetBSD.org>.
@ -24,7 +24,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: pidlock.c,v 1.16 2012/04/07 16:17:17 christos Exp $");
__RCSID("$NetBSD: pidlock.c,v 1.17 2020/03/30 08:24:36 ryo Exp $");
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
@ -67,6 +67,12 @@ pidlock(const char *lockfile, int flags, pid_t *locker, const char *info)
return -1;
hostname[sizeof(hostname) - 1] = '\0';
/* avoid '/' in hostname, as it may contain arbitrary characters */
for (p = hostname; *p != '\0'; p++) {
if (*p == '/')
*p = '_';
}
/*
* Build a path to the temporary file.
* We use the path with the PID and hostname appended.