From 58f0484fa251c266ede97b591b499fe3dd4f578e Mon Sep 17 00:00:00 2001 From: "Rodney W. Grimes" Date: Fri, 27 May 1994 05:00:24 +0000 Subject: BSD 4.4 Lite Lib Sources --- lib/libc/stdio/tmpnam.c | 58 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 lib/libc/stdio/tmpnam.c (limited to 'lib/libc/stdio/tmpnam.c') diff --git a/lib/libc/stdio/tmpnam.c b/lib/libc/stdio/tmpnam.c new file mode 100644 index 000000000000..ce86482f3387 --- /dev/null +++ b/lib/libc/stdio/tmpnam.c @@ -0,0 +1,58 @@ +/*- + * Copyright (c) 1990, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 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 + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)tmpnam.c 8.3 (Berkeley) 3/28/94"; +#endif /* LIBC_SCCS and not lint */ + +#include + +#include +#include + +char * +tmpnam(s) + char *s; +{ + static u_long tmpcount; + static char buf[L_tmpnam]; + + if (s == NULL) + s = buf; + (void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount); + ++tmpcount; + return (mktemp(s)); +} -- cgit v1.2.3 From 028aace8e1e18186192d02ee3abc594e55009e8c Mon Sep 17 00:00:00 2001 From: Warner Losh Date: Sat, 21 Aug 1999 17:56:44 +0000 Subject: Add warnings, ala mktemp, to tempnam and tmpnam as a reminder that these are inherently unsafe interfaces. Do not allow TMPDIR to override path for setuid/setgid programs. --- lib/libc/stdio/tmpnam.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lib/libc/stdio/tmpnam.c') diff --git a/lib/libc/stdio/tmpnam.c b/lib/libc/stdio/tmpnam.c index ce86482f3387..d0aed481387a 100644 --- a/lib/libc/stdio/tmpnam.c +++ b/lib/libc/stdio/tmpnam.c @@ -43,6 +43,11 @@ static char sccsid[] = "@(#)tmpnam.c 8.3 (Berkeley) 3/28/94"; #include #include +__warn_references(tmpnam, + "warning: tmpnam() possibly used unsafely; consider using mkstemp()"); + +extern char *_mktemp __P((char *)); + char * tmpnam(s) char *s; -- cgit v1.2.3 From 5eb8ccf583a57a41a819a4fc2abb5175247fb418 Mon Sep 17 00:00:00 2001 From: "Andrey A. Chernov" Date: Sun, 24 Oct 1999 11:57:24 +0000 Subject: Remove UNSAFE_WARN ifdef for mktemp warning (never defined) Use _mktemp internally --- lib/libc/stdio/tmpnam.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/libc/stdio/tmpnam.c') diff --git a/lib/libc/stdio/tmpnam.c b/lib/libc/stdio/tmpnam.c index d0aed481387a..ff1c03857708 100644 --- a/lib/libc/stdio/tmpnam.c +++ b/lib/libc/stdio/tmpnam.c @@ -32,6 +32,8 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. + * + * $FreeBSD$ */ #if defined(LIBC_SCCS) && !defined(lint) @@ -59,5 +61,5 @@ tmpnam(s) s = buf; (void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount); ++tmpcount; - return (mktemp(s)); + return (_mktemp(s)); } -- cgit v1.2.3