/* * Copyright (c) 2001 Mark Fullmer and The Ohio State 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. * * 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. * *      $Id: ftxfield.c,v 1.2 2003/02/13 02:38:43 maf Exp $ */#include "ftconfig.h"#include "ftlib.h"#include <stdlib.h>#if HAVE_STRINGS_H #include <strings.h>#endif #if HAVE_STRING_H  #include <string.h>#endif#if !HAVE_STRSEP  char    *strsep (char **, const char *);#endifstruct ftxfield_table ftxfield_table[] = {  {FT_XFIELD_ASC_UNIX_SECS, FT_XFIELD_UNIX_SECS},  {FT_XFIELD_ASC_UNIX_NSECS, FT_XFIELD_UNIX_NSECS},  {FT_XFIELD_ASC_SYSUPTIME, FT_XFIELD_SYSUPTIME},  {FT_XFIELD_ASC_EXADDR, FT_XFIELD_EXADDR},  {FT_XFIELD_ASC_DFLOWS, FT_XFIELD_DFLOWS},  {FT_XFIELD_ASC_DPKTS, FT_XFIELD_DPKTS},  {FT_XFIELD_ASC_DOCTETS, FT_XFIELD_DOCTETS},  {FT_XFIELD_ASC_FIRST, FT_XFIELD_FIRST},  {FT_XFIELD_ASC_LAST, FT_XFIELD_LAST},  {FT_XFIELD_ASC_ENGINE_TYPE, FT_XFIELD_ENGINE_TYPE},  {FT_XFIELD_ASC_ENGINE_ID, FT_XFIELD_ENGINE_ID},  {FT_XFIELD_ASC_SRCADDR, FT_XFIELD_SRCADDR},  {FT_XFIELD_ASC_DSTADDR, FT_XFIELD_DSTADDR},  {FT_XFIELD_ASC_NEXTHOP, FT_XFIELD_NEXTHOP},  {FT_XFIELD_ASC_INPUT, FT_XFIELD_INPUT},  {FT_XFIELD_ASC_OUTPUT, FT_XFIELD_OUTPUT},  {FT_XFIELD_ASC_SRCPORT, FT_XFIELD_SRCPORT},  {FT_XFIELD_ASC_DSTPORT, FT_XFIELD_DSTPORT},  {FT_XFIELD_ASC_PROT, FT_XFIELD_PROT},  {FT_XFIELD_ASC_TOS, FT_XFIELD_TOS},  {FT_XFIELD_ASC_TCP_FLAGS, FT_XFIELD_TCP_FLAGS},  {FT_XFIELD_ASC_SRC_MASK, FT_XFIELD_SRC_MASK},  {FT_XFIELD_ASC_DST_MASK, FT_XFIELD_DST_MASK},  {FT_XFIELD_ASC_SRC_AS, FT_XFIELD_SRC_AS},  {FT_XFIELD_ASC_DST_AS, FT_XFIELD_DST_AS},  {FT_XFIELD_ASC_IN_ENCAPS, FT_XFIELD_IN_ENCAPS},  {FT_XFIELD_ASC_OUT_ENCAPS, FT_XFIELD_OUT_ENCAPS},  {FT_XFIELD_ASC_PEER_NEXTHOP, FT_XFIELD_PEER_NEXTHOP},  {FT_XFIELD_ASC_ROUTER_SC, FT_XFIELD_ROUTER_SC},  {FT_XFIELD_ASC_MARKED_TOS, FT_XFIELD_MARKED_TOS},  {FT_XFIELD_ASC_EXTRA_PKTS, FT_XFIELD_EXTRA_PKTS},  {FT_XFIELD_ASC_SRC_TAG, FT_XFIELD_SRC_TAG},  {FT_XFIELD_ASC_DST_TAG, FT_XFIELD_DST_TAG},  {(char*)0L, 0LL},};/* * function: parse_xfield * * convert an ascii xfield representation to binary * * returns 0  ok *         <0 fail */int ftxfield_parse(char *line, u_int64 *xfields){  extern struct ftxfield_table ftxfield_table[];  char *c, *p, *save;  int i, ret, match;  ret = -1;  *xfields = 0L;  save = (char*)0L;  /* make a local copy of the string since it will be modified */  if (!(p = malloc(strlen(line)+1))) {    fterr_warnx("malloc()");    goto parse_xfield_out;  }  strcpy(p, line);  c = save = p;  while (c) {    c = strsep(&p, ",");    if (!c)      break;    for (i = match = 0; ftxfield_table[i].name; ++i) {      if (!strcasecmp(c, ftxfield_table[i].name)) {        /* implication other code can output the fields twice */        if (ftxfield_table[i].val & *xfields) {          fterr_warnx("Duplicate field: %s", c);          goto parse_xfield_out;        }        /*         *  specifying these out of order implies they would be displayed as         *  such which is not the case.         */        if (ftxfield_table[i].val < *xfields) {          fterr_warnx("Out of order field: %s", c);          goto parse_xfield_out;        }        *xfields |= ftxfield_table[i].val;        match = 1;        break;      }    } /* for */    if (!match) {      fterr_warnx("Unrecognized field: %s", c);      goto parse_xfield_out;    }   } /* while */  ret = 0;parse_xfield_out:  if (save)    free(save);  return ret;} /* ftxfield_parse */