1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31static char sccsid[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93";
32#endif /* LIBC_SCCS and not lint */
33#include <sys/cdefs.h>
| 1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31static char sccsid[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93";
32#endif /* LIBC_SCCS and not lint */
33#include <sys/cdefs.h>
|
34__FBSDID("$FreeBSD: head/lib/libc/stdio/tempnam.c 249808 2013-04-23 13:33:13Z emaste $");
| 34__FBSDID("$FreeBSD: head/lib/libc/stdio/tempnam.c 249810 2013-04-23 14:36:44Z emaste $");
|
35
36#include <sys/param.h>
37#include <errno.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <unistd.h>
42#include <paths.h>
43
44__warn_references(tempnam,
45 "warning: tempnam() possibly used unsafely; consider using mkstemp()");
46
47extern char *_mktemp(char *);
48
49char *
| 35
36#include <sys/param.h>
37#include <errno.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
41#include <unistd.h>
42#include <paths.h>
43
44__warn_references(tempnam,
45 "warning: tempnam() possibly used unsafely; consider using mkstemp()");
46
47extern char *_mktemp(char *);
48
49char *
|
50tempnam(dir, pfx)
51 const char *dir, *pfx;
| 50tempnam(const char *dir, const char *pfx)
|
52{
53 int sverrno;
54 char *f, *name;
55
56 if (!(name = malloc(MAXPATHLEN)))
57 return(NULL);
58
59 if (!pfx)
60 pfx = "tmp.";
61
62 if (issetugid() == 0 && (f = getenv("TMPDIR"))) {
63 (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,
64 *(f + strlen(f) - 1) == '/'? "": "/", pfx);
65 if ((f = _mktemp(name)))
66 return(f);
67 }
68
69 if ((f = (char *)dir)) {
70 (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,
71 *(f + strlen(f) - 1) == '/'? "": "/", pfx);
72 if ((f = _mktemp(name)))
73 return(f);
74 }
75
76 f = P_tmpdir;
77 (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);
78 if ((f = _mktemp(name)))
79 return(f);
80
81 f = _PATH_TMP;
82 (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);
83 if ((f = _mktemp(name)))
84 return(f);
85
86 sverrno = errno;
87 free(name);
88 errno = sverrno;
89 return(NULL);
90}
| 51{
52 int sverrno;
53 char *f, *name;
54
55 if (!(name = malloc(MAXPATHLEN)))
56 return(NULL);
57
58 if (!pfx)
59 pfx = "tmp.";
60
61 if (issetugid() == 0 && (f = getenv("TMPDIR"))) {
62 (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,
63 *(f + strlen(f) - 1) == '/'? "": "/", pfx);
64 if ((f = _mktemp(name)))
65 return(f);
66 }
67
68 if ((f = (char *)dir)) {
69 (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f,
70 *(f + strlen(f) - 1) == '/'? "": "/", pfx);
71 if ((f = _mktemp(name)))
72 return(f);
73 }
74
75 f = P_tmpdir;
76 (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);
77 if ((f = _mktemp(name)))
78 return(f);
79
80 f = _PATH_TMP;
81 (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx);
82 if ((f = _mktemp(name)))
83 return(f);
84
85 sverrno = errno;
86 free(name);
87 errno = sverrno;
88 return(NULL);
89}
|