dist/ipf/lib/printpool_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 ip_pool_t *printpool_live(pool, fd, name, opts)
  18 ip_pool_t *pool;
  19 int fd;
  20 char *name;
  21 int opts;
  22 {
  23         ip_pool_node_t entry, *top, *node;
  24         ipflookupiter_t iter;
  25         int printed, last;
  26         ipfobj_t obj;
  27
  28         if ((name != NULL) && strncmp(name, pool->ipo_name, FR_GROUPLEN))
  29                 return pool->ipo_next;
  30
  31         printpooldata(pool, opts);
  32
  33         if ((pool->ipo_flags & IPOOL_DELETE) != 0)
  34                 PRINTF("# ");
  35         if ((opts & OPT_DEBUG) == 0)
  36                 PRINTF("\t{");
  37
  38         obj.ipfo_rev = IPFILTER_VERSION;
  39         obj.ipfo_type = IPFOBJ_LOOKUPITER;
  40         obj.ipfo_ptr = &iter;
  41         obj.ipfo_size = sizeof(iter);
  42
  43         iter.ili_data = &entry;
  44         iter.ili_type = IPLT_POOL;
  45         iter.ili_otype = IPFLOOKUPITER_NODE;
  46         iter.ili_ival = IPFGENITER_LOOKUP;
  47         iter.ili_unit = pool->ipo_unit;
  48         strncpy(iter.ili_name, pool->ipo_name, FR_GROUPLEN);
  49
  50         last = 0;
  51         top = NULL;
  52         printed = 0;
  53
  54         while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
  55                 if (entry.ipn_next == NULL)
  56                         last = 1;
  57                 node = malloc(sizeof(*top));
  58                 if (node == NULL)
  59                         break;
  60                 bcopy(&entry, node, sizeof(entry));
  61                 node->ipn_next = top;
  62                 top = node;
  63         }
  64
  65         while (top != NULL) {
  66                 node = top;
  67                 (void) printpoolnode(node, opts);
  68                 if ((opts & OPT_DEBUG) == 0)
  69                         putchar(';');
  70                 top = node->ipn_next;
  71                 free(node);
  72                 printed++;
  73         }
  74
  75         if (printed == 0)
  76                 putchar(';');
  77
  78         if ((opts & OPT_DEBUG) == 0)
  79                 PRINTF(" };\n");
  80
  81         if (ioctl(fd, SIOCIPFDELTOK, &iter.ili_key) != 0)
  82                 perror("SIOCIPFDELTOK");
  83
  84         return pool->ipo_next;
  85 }