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/* $OpenBSD: pk_acct.c,v 1.5 2003/06/02 23:28:13 millert Exp $ */
/* $NetBSD: pk_acct.c,v 1.9 1996/02/13 22:05:11 christos Exp $ */
/*
* Copyright (c) University of British Columbia, 1984
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Laboratory for Computation Vision and the Computer Science Department
* of the University of British Columbia.
*
* 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.
*
* @(#)pk_acct.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/vnode.h>
#include <sys/kernel.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>
#include <netccitt/x25.h>
#include <netccitt/pk.h>
#include <netccitt/pk_var.h>
#include <netccitt/pk_extern.h>
#include <netccitt/x25acct.h>
struct vnode *pkacctp;
/*
* Turn on packet accounting
*/
int
pk_accton (path)
char *path;
{
register struct vnode *vp = NULL;
struct nameidata nd;
struct vnode *oacctp = pkacctp;
struct proc *p = curproc;
int error;
if (path == 0)
goto close;
NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, path, p);
if ((error = vn_open (&nd, FWRITE, 0644)) != 0)
return (error);
vp = nd.ni_vp;
VOP_UNLOCK(vp, 0, p);
if (vp -> v_type != VREG) {
vrele (vp);
return (EACCES);
}
pkacctp = vp;
if (oacctp) {
close:
error = vn_close (oacctp, FWRITE, p -> p_ucred, p);
}
return (error);
}
/*
* Write a record on the accounting file.
*/
void
pk_acct (lcp)
register struct pklcd *lcp;
{
register struct vnode *vp;
register struct sockaddr_x25 *sa;
register char *src, *dst;
register int len;
static struct x25acct acbuf;
if ((vp = pkacctp) == 0)
return;
bzero ((caddr_t)&acbuf, sizeof (acbuf));
if (lcp -> lcd_ceaddr != 0)
sa = lcp -> lcd_ceaddr;
else if (lcp -> lcd_craddr != 0) {
sa = lcp -> lcd_craddr;
acbuf.x25acct_callin = 1;
} else
return;
if (sa -> x25_opts.op_flags & X25_REVERSE_CHARGE)
acbuf.x25acct_revcharge = 1;
acbuf.x25acct_stime = lcp -> lcd_stime;
acbuf.x25acct_etime = time.tv_sec - acbuf.x25acct_stime;
acbuf.x25acct_uid = curproc -> p_cred -> p_ruid;
acbuf.x25acct_psize = sa -> x25_opts.op_psize;
acbuf.x25acct_net = sa -> x25_net;
/*
* Convert address to bcd
*/
src = sa -> x25_addr;
dst = acbuf.x25acct_addr;
for (len = 0; *src; len++)
if (len & 01)
*dst++ |= *src++ & 0xf;
else
*dst = *src++ << 4;
acbuf.x25acct_addrlen = len;
bcopy (sa -> x25_udata, acbuf.x25acct_udata,
sizeof (acbuf.x25acct_udata));
acbuf.x25acct_txcnt = lcp -> lcd_txcnt;
acbuf.x25acct_rxcnt = lcp -> lcd_rxcnt;
(void) vn_rdwr(UIO_WRITE, vp, (caddr_t)&acbuf, sizeof (acbuf),
(off_t)0, UIO_SYSSPACE, IO_UNIT|IO_APPEND,
curproc -> p_ucred, NULL, NULL);
}
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