dist/ipf/lib/printhash_live.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2002 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  */
   8
   9 #include <sys/ioctl.h>
  10 #include "ipf.h"
  11 #include "netinet/ipl.h"
  12
  13 #define PRINTF  (void)printf
  14 #define FPRINTF (void)fprintf
  15
  16
  17 iphtable_t *printhash_live(hp, fd, name, opts)
  18 iphtable_t *hp;
  19 int fd;
  20 char *name;
  21 int opts;
  22 {
  23         iphtent_t entry, *top, *node;
  24         ipflookupiter_t iter;
  25         int printed, last;
  26         ipfobj_t obj;
  27
  28         if ((name != NULL) && strncmp(name, hp->iph_name, FR_GROUPLEN))
  29                 return hp->iph_next;
  30
  31         printhashdata(hp, opts);
  32
  33         if ((hp->iph_flags & IPHASH_DELETE) != 0)
  34                 PRINTF("# ");
  35
  36         if ((opts & OPT_DEBUG) == 0)
  37                 PRINTF("\t{");
  38
  39         obj.ipfo_rev = IPFILTER_VERSION;
  40         obj.ipfo_type = IPFOBJ_LOOKUPITER;
  41         obj.ipfo_ptr = &iter;
  42         obj.ipfo_size = sizeof(iter);
  43
  44         iter.ili_data = &entry;
  45         iter.ili_type = IPLT_HASH;
  46         iter.ili_otype = IPFLOOKUPITER_NODE;
  47         iter.ili_ival = IPFGENITER_LOOKUP;
  48         iter.ili_unit = hp->iph_unit;
  49         strncpy(iter.ili_name, hp->iph_name, FR_GROUPLEN);
  50
  51         last = 0;
  52         top = NULL;
  53         printed = 0;
  54
  55         while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
  56                 if (entry.ipe_next == NULL)
  57                         last = 1;
  58                 entry.ipe_next = top;
  59                 top = malloc(sizeof(*top));
  60                 if (top == NULL)
  61                         break;
  62                 bcopy(&entry, top, sizeof(entry));
  63         }
  64
  65         while (top != NULL) {
  66                 node = top;
  67                 (void) printhashnode(hp, node, bcopywrap, opts);
  68                 top = node->ipe_next;
  69                 free(node);
  70                 printed++;
  71         }
  72
  73         if (printed == 0)
  74                 putchar(';');
  75
  76         if ((opts & OPT_DEBUG) == 0)
  77                 PRINTF(" };\n");
  78         return hp->iph_next;
  79 }