File: [local] / src / usr.bin / ktrace / subr.c (download)
Revision 1.11, Fri Oct 2 05:07:41 2015 UTC (8 years, 8 months ago) by guenther
Branch: MAIN
CVS Tags: OPENBSD_5_9_BASE, OPENBSD_5_9 Changes since 1.10: +7 -1 lines
Add ktracing of argv and envp to execve(2), with envp not traced by default
ok tedu@ deraadt@
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/* $OpenBSD: subr.c,v 1.11 2015/10/02 05:07:41 guenther Exp $ */
/* $NetBSD: subr.c,v 1.6 1995/08/31 23:01:45 jtc Exp $ */
/*-
* 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. 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.
*/
#include <sys/param.h> /* MAXCOMLEN */
#include <sys/file.h>
#include <sys/user.h>
#include <sys/proc.h>
#include <sys/time.h>
#include <sys/ktrace.h>
#include <stdio.h>
#include "ktrace.h"
#include "extern.h"
int
getpoints(s)
const char *s;
{
int facs = 0;
while (*s) {
switch(*s) {
case 'c':
facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET;
break;
case 'e':
facs |= KTRFAC_EMUL;
break;
case 'n':
facs |= KTRFAC_NAMEI;
break;
case 'i':
facs |= KTRFAC_GENIO;
break;
case 's':
facs |= KTRFAC_PSIG;
break;
case 't':
facs |= KTRFAC_STRUCT;
break;
case 'u':
facs |= KTRFAC_USER;
break;
case 'x':
facs |= KTRFAC_EXECARGS;
break;
case 'X':
facs |= KTRFAC_EXECENV;
break;
case '+':
facs |= DEF_POINTS;
break;
default:
return (-1);
}
s++;
}
return (facs);
}