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/*
* setproctitle()-related routines in this file are derived from Sendmail
* 8.13.5 which is:
*
* Copyright (c) 1998-2005 Sendmail, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*
*/
#include "pmacct.h"
/*
* SETPROCTITLE -- set process title for ps
*/
#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, ...) */
#include "setproctitle.h"
#define MAXLINE (2*LONGLONGSRVBUFLEN)
#define SPACELEFT(x) (sizeof(x)-strlen(x))
#if defined PROGNAME && SPT_TYPE == SPT_REUSEARGV
extern char *__progname;
#endif
/*
* NEWSTR -- Create a copy of a C string
*/
char *spt_newstr(s)
const char *s;
{
size_t l;
char *n;
l = strlen(s);
n = malloc(l + 1);
strlcpy(n, s, l + 1);
return n;
}
#ifndef SPT_TYPE
# define SPT_TYPE SPT_NONE
#endif /* ! SPT_TYPE */
#if SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN
#if SPT_TYPE == SPT_PSTAT
# include <sys/pstat.h>
#endif /* SPT_TYPE == SPT_PSTAT */
#ifndef SPT_PADCHAR
# define SPT_PADCHAR ' '
#endif /* ! SPT_PADCHAR */
#endif /* SPT_TYPE != SPT_NONE && SPT_TYPE != SPT_BUILTIN */
#ifndef SPT_BUFSIZE
# define SPT_BUFSIZE MAXLINE
#endif /* ! SPT_BUFSIZE */
/*
* Pointers for setproctitle.
* This allows "ps" listings to give more useful information.
*/
static char **Argv = NULL; /* pointer to argument vector */
static char *LastArgv = NULL; /* end of argv */
void
initsetproctitle(argc, argv, envp)
int argc;
char **argv;
char **envp;
{
register int i;
extern char **environ;
/*
** Move the environment so setproctitle can use the space at
** the top of memory.
*/
if (envp != NULL)
{
for (i = 0; envp[i] != NULL; i++)
continue;
environ = (char **) malloc(sizeof (char *) * (i + 1));
for (i = 0; envp[i] != NULL; i++)
environ[i] = spt_newstr(envp[i]);
environ[i] = NULL;
}
/*
** Save start and extent of argv for setproctitle.
*/
Argv = argv;
/*
** Determine how much space we can use for setproctitle.
** Use all contiguous argv and envp pointers starting at argv[0]
*/
for (i = 0; i < argc; i++)
{
if (i == 0 || LastArgv + 1 == argv[i])
LastArgv = argv[i] + strlen(argv[i]);
}
for (i = 0; LastArgv != NULL && envp != NULL && envp[i] != NULL; i++)
{
if (LastArgv + 1 == envp[i])
LastArgv = envp[i] + strlen(envp[i]);
}
#if defined PROGNAME && SPT_TYPE == SPT_REUSEARGV
if (config.uacctd_group) __progname = uacctd_globstr; /* XXX: hack */
else if (config.acct_type == ACCT_PM) __progname = pmacctd_globstr;
else if (config.acct_type == ACCT_NF) __progname = nfacctd_globstr;
else if (config.acct_type == ACCT_SF) __progname = sfacctd_globstr;
else if (config.acct_type == ACCT_PMTELE) __progname = pmtele_globstr;
else if (config.acct_type == ACCT_PMBGP) __progname = pmbgpd_globstr;
else if (config.acct_type == ACCT_PMBMP) __progname = pmbmpd_globstr;
#endif
}
#if SPT_TYPE != SPT_BUILTIN
/*VARARGS1*/
static void
# ifdef __STDC__
setproctitle(const char *fmt, ...)
# else /* __STDC__ */
setproctitle(fmt, va_alist)
const char *fmt;
va_dcl
# endif /* __STDC__ */
{
# if SPT_TYPE != SPT_NONE
register int i;
register char *p;
char buf[SPT_BUFSIZE];
va_list ap;
# if SPT_TYPE == SPT_PSTAT
union pstun pst;
# endif /* SPT_TYPE == SPT_PSTAT */
memset(buf, 0, SPT_BUFSIZE);
p = buf;
va_start(ap, fmt);
vsnprintf(p, SPACELEFT(buf), fmt, ap);
va_end(ap);
i = (int) strlen(buf);
if (i < 0) return;
# if SPT_TYPE == SPT_PSTAT
pst.pst_command = buf;
pstat(PSTAT_SETCMD, pst, i, 0, 0);
# endif /* SPT_TYPE == SPT_PSTAT */
# if SPT_TYPE == SPT_REUSEARGV
if (LastArgv == NULL)
return;
if (i > (LastArgv - Argv[0]) - 2)
{
i = (LastArgv - Argv[0]) - 2;
buf[i] = '\0';
}
(void) strlcpy(Argv[0], buf, i + 1);
p = &Argv[0][i];
while (p < LastArgv)
*p++ = SPT_PADCHAR;
Argv[1] = NULL;
# endif /* SPT_TYPE == SPT_REUSEARGV */
# endif /* SPT_TYPE != SPT_NONE */
}
#endif /* SPT_TYPE != SPT_BUILTIN */
/*
* PM_SETPROCTITLE -- set process task and set process title for ps
*/
/*VARARGS2*/
void
#ifdef __STDC__
pm_setproctitle(const char *fmt, ...)
#else /* __STDC__ */
pm_setproctitle(fmt, va_alist)
const char *fmt;
va_dcl
#endif /* __STDC__ */
{
char buf[SPT_BUFSIZE];
char prefix[16];
va_list ap;
memset(prefix, 0, sizeof(prefix));
memset(buf, 0, sizeof(buf));
if (config.uacctd_group) strcpy(prefix, uacctd_globstr); /* XXX: hack */
else if (config.acct_type == ACCT_PM) strcpy(prefix, pmacctd_globstr);
else if (config.acct_type == ACCT_NF) strcpy(prefix, nfacctd_globstr);
else if (config.acct_type == ACCT_SF) strcpy(prefix, sfacctd_globstr);
else if (config.acct_type == ACCT_PMTELE) strcpy(prefix, pmtele_globstr);
else if (config.acct_type == ACCT_PMBGP) strcpy(prefix, pmbgpd_globstr);
else if (config.acct_type == ACCT_PMBMP) strcpy(prefix, pmbmpd_globstr);
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
#if SPT_TYPE != SPT_BUILTIN
setproctitle("%s: %s", prefix, buf);
#else
setproctitle("%s", buf);
#endif
}
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