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-rw-r--r--bsd-setproctitle.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/bsd-setproctitle.c b/bsd-setproctitle.c
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1/*
2 * Modified for OpenSSH by Kevin Steves
3 * October 2000
4 */
5
6/*
7 * Copyright (c) 1994, 1995 Christopher G. Demetriou
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by Christopher G. Demetriou
21 * for the NetBSD Project.
22 * 4. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38static char rcsid[] = "$OpenBSD: setproctitle.c,v 1.7 1999/02/25 22:10:12 art Exp $";
39#endif /* LIBC_SCCS and not lint */
40
41#ifndef HAVE_SETPROCTITLE
42
43#include "includes.h"
44
45#define SPT_NONE 0
46#define SPT_PSTAT 1
47
48#ifndef SPT_TYPE
49#define SPT_TYPE SPT_NONE
50#endif
51
52#if SPT_TYPE == SPT_PSTAT
53#include <sys/param.h>
54#include <sys/pstat.h>
55#endif /* SPT_TYPE == SPT_PSTAT */
56
57#define MAX_PROCTITLE 2048
58
59#ifdef HAVE___PROGNAME
60extern char *__progname;
61#else
62static const char *__progname = "sshd";
63#endif /* HAVE___PROGNAME */
64
65/*
66 * Set Process Title (SPT) defines. Modeled after sendmail's
67 * SPT type definition strategy.
68 *
69 * SPT_TYPE:
70 *
71 * SPT_NONE: Don't set the process title. Default.
72 * SPT_PSTAT: Use pstat(PSTAT_SETCMD). HP-UX specific.
73 */
74
75void
76setproctitle(const char *fmt, ...)
77{
78#if SPT_TYPE != SPT_NONE
79 va_list ap;
80
81 char buf[MAX_PROCTITLE];
82 size_t used;
83
84#if SPT_TYPE == SPT_PSTAT
85 union pstun pst;
86#endif /* SPT_TYPE == SPT_PSTAT */
87
88 va_start(ap, fmt);
89 if (fmt != NULL) {
90 used = snprintf(buf, MAX_PROCTITLE, "%s: ", __progname);
91 if (used >= MAX_PROCTITLE)
92 used = MAX_PROCTITLE - 1;
93 (void)vsnprintf(buf + used, MAX_PROCTITLE - used, fmt, ap);
94 } else
95 (void)snprintf(buf, MAX_PROCTITLE, "%s", __progname);
96 va_end(ap);
97 used = strlen(buf);
98
99#if SPT_TYPE == SPT_PSTAT
100 pst.pst_command = buf;
101 pstat(PSTAT_SETCMD, pst, used, 0, 0);
102#endif /* SPT_TYPE == SPT_PSTAT */
103
104#endif /* SPT_TYPE != SPT_NONE */
105}
106#endif /* HAVE_SETPROCTITLE */