FreeBSD/Linux Kernel Cross Reference
sys/netccitt/pk_acct.c

     /*      $NetBSD: pk_acct.c,v 1.19 2005/02/26 22:45:10 perry Exp $       */
     
     /*
      * 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   8.2 (Berkeley) 5/14/95
     */
    
    /*
     * Copyright (c) 1984 University of British Columbia.
     *
     * 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. 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.
     *
     *      @(#)pk_acct.c   8.2 (Berkeley) 5/14/95
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: pk_acct.c,v 1.19 2005/02/26 22:45:10 perry Exp $");
    
    #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;
   {
           struct vnode *vp = NULL;
           struct nameidata nd;
           struct vnode *oacctp = pkacctp;
           struct proc *p = curproc;       /* XXX */
           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);
           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)
           struct pklcd *lcp;
   {
           struct vnode *vp;
           struct sockaddr_x25 *sa;
           char *src, *dst;
           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, (size_t *)0,
                   NULL);
   }

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