/*
* Copyright (c) 1997-2003 Motonori Nakamura <motonori@media.kyoto-u.ac.jp>
* Copyright (c) 1997-2003 WIDE Project
* Copyright (c) 1997-2003 Kyoto University
* All rights reserved.
*
* 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 WIDE Project and
* its contributors.
* 4. Neither the name of the Project, 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 AUTHOR 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 AUTHOR 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.
*/
/*
* Copyright (c) 1983, 1995-1997 Eric P. Allman
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
*/
#ifndef lint
static char *_id_ = "$Id: proctitle.c,v 1.10 2003/08/20 05:12:58 motonori Exp $";
static char sccsid[] = "@(#)conf.c 8.379 (Berkeley) 10/20/97";
#endif /* not lint */
# include "common.h"
# include "extern.h"
# include <sys/ioctl.h>
# include <sys/param.h>
/*
** SETPROCTITLE -- set process title for ps
**
** Parameters:
** fmt -- a printf style format string.
** a, b, c -- possible parameters to fmt.
**
** Returns:
** none.
**
** Side Effects:
** Clobbers argv of our main procedure so ps(1) will
** display the title.
*/
#define SPT_NONE 0 /* don't use it at all */
#define SPT_REUSEARGV 1 /* cover argv with title information */
#define SPT_BUILTIN 2 /* use libc builtin */
#define SPT_PSTAT 3 /* use pstat(PSTAT_SETCMD, ...) */
#define SPT_PSSTRINGS 4 /* use PS_STRINGS->... */
#define SPT_SYSMIPS 5 /* use sysmips() supported by NEWS-OS 6 */
#define SPT_SCO 6 /* write kernel u. area */
#define SPT_CHANGEARGV 7 /* write our own strings into argv[] */
#ifndef SPT_TYPE
# define SPT_TYPE SPT_REUSEARGV
#endif
#if SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN
# if SPT_TYPE == SPT_PSTAT
# include <sys/pstat.h>
# endif
# if SPT_TYPE == SPT_PSSTRINGS
# include <machine/vmparam.h>
# include <sys/exec.h>
# ifndef PS_STRINGS /* hmmmm.... apparently not available after all */
# undef SPT_TYPE
# define SPT_TYPE SPT_REUSEARGV
# else
# ifndef NKPDE /* FreeBSD 2.0 */
# define NKPDE 63
typedef unsigned int *pt_entry_t;
# endif
# endif
# endif
# if SPT_TYPE == SPT_PSSTRINGS || SPT_TYPE == SPT_CHANGEARGV
# define SETPROC_STATIC static
# else
# define SETPROC_STATIC
# endif
# if SPT_TYPE == SPT_SYSMIPS
# include <sys/sysmips.h>
# include <sys/sysnews.h>
# endif
# if SPT_TYPE == SPT_SCO
# include <sys/immu.h>
# include <sys/dir.h>
# include <sys/user.h>
# include <sys/fs/s5param.h>
# if PSARGSZ > MAXLINE
# define SPT_BUFSIZE PSARGSZ
# endif
# endif
# ifndef SPT_PADCHAR
# define SPT_PADCHAR ' '
# endif
# ifndef SPT_BUFSIZE
# define SPT_BUFSIZE MAXLINE
# endif
#endif /* SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN */
/*
** Pointers for setproctitle.
** This allows "ps" listings to give more useful information.
*/
char **Argv = NULL; /* pointer to argument vector */
char *LastArgv = NULL; /* end of argv */
void
initsetproctitle(argc, argv, envp)
int argc;
char **argv;
char **envp;
{
register int i, envpsize = 0;
extern char **environ;
/*
** Move the environment so setproctitle can use the space at
** the top of memory.
*/
for (i = 0; envp[i] != NULL; i++)
envpsize += strlen(envp[i]) + 1;
environ = (char **) MALLOC(sizeof (char *) * (i + 1));
if (environ == NULL)
{
/* XXX */
return;
}
for (i = 0; envp[i] != NULL; i++)
environ[i] = newstr(envp[i]);
environ[i] = NULL;
/*
** Save start and extent of argv for setproctitle.
*/
Argv = argv;
/*
** Find the last environment variable within smtpfeed's
** process memory area.
*/
while (i > 0 && (envp[i - 1] < argv[0] ||
envp[i - 1] > (argv[argc - 1] +
strlen(argv[argc - 1]) + 1 + envpsize)))
i--;
if (i > 0)
LastArgv = envp[i - 1] + strlen(envp[i - 1]);
else
LastArgv = argv[argc - 1] + strlen(argv[argc - 1]);
}
#if SPT_TYPE != SPT_BUILTIN
/*VARARGS1*/
void
# ifdef __STDC__
setproctitle(const char *fmt, ...)
# else
setproctitle(fmt, va_alist)
const char *fmt;
va_dcl
# endif
{
# if SPT_TYPE != SPT_NONE
register char *p;
register int i;
SETPROC_STATIC char buf[SPT_BUFSIZE];
VA_LOCAL_DECL
# if SPT_TYPE == SPT_PSTAT
union pstun pst;
# endif
# if SPT_TYPE == SPT_SCO
off_t seek_off;
static int kmem = -1;
static int kmempid = -1;
struct user u;
# endif
p = buf;
/* print smtpfeed: heading for grep */
(void) strcpy(p, "smtpfeed: ");
p += strlen(p);
/* print the argument string */
VA_START(fmt);
#define SPACELEFT(buf, ptr) (sizeof buf - ((ptr) - buf))
(void) vsnprintf(p, SPACELEFT(buf, p), fmt, ap);
VA_END;
i = strlen(buf);
# if SPT_TYPE == SPT_PSTAT
pst.pst_command = buf;
pstat(PSTAT_SETCMD, pst, i, 0, 0);
# endif
# if SPT_TYPE == SPT_PSSTRINGS
PS_STRINGS->ps_nargvstr = 1;
PS_STRINGS->ps_argvstr = buf;
# endif
# if SPT_TYPE == SPT_SYSMIPS
sysmips(SONY_SYSNEWS, NEWS_SETPSARGS, buf);
# endif
# if SPT_TYPE == SPT_SCO
if (kmem < 0 || kmempid != getpid())
{
if (kmem >= 0)
close(kmem);
kmem = open(_PATH_KMEM, O_RDWR, 0);
if (kmem < 0)
return;
(void) fcntl(kmem, F_SETFD, 1);
kmempid = getpid();
}
buf[PSARGSZ - 1] = '\0';
seek_off = UVUBLK + (off_t) u.u_psargs - (off_t) &u;
if (lseek(kmem, (off_t) seek_off, SEEK_SET) == seek_off)
(void) write(kmem, buf, PSARGSZ);
# endif
# if SPT_TYPE == SPT_REUSEARGV
if (LastArgv == NULL)
return;
if (i > LastArgv - Argv[0] - 2)
{
i = LastArgv - Argv[0] - 2;
buf[i] = '\0';
}
(void) strcpy(Argv[0], buf);
p = &Argv[0][i];
while (p < LastArgv)
*p++ = SPT_PADCHAR;
Argv[1] = NULL;
# endif
# if SPT_TYPE == SPT_CHANGEARGV
Argv[0] = buf;
Argv[1] = 0;
# endif
# endif /* SPT_TYPE != SPT_NONE */
}
#endif /* SPT_TYPE != SPT_BUILTIN */
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