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printdstl_live.c revision 1.1.1.1.2.2 
      1 /*	$NetBSD: printdstl_live.c,v 1.1.1.1.2.2 2012/04/17 00:03:19 yamt Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2010 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 
     14 /*
     15  * Because the ipf_dstnode_t can vary in size because of the interface name,
     16  * the size may be larger than just sizeof().
     17  */
     18 ippool_dst_t *
     19 printdstl_live(d, fd, name, opts, fields)
     20 	ippool_dst_t *d;
     21 	int fd;
     22 	char *name;
     23 	int opts;
     24 	wordtab_t *fields;
     25 {
     26 	ipf_dstnode_t *entry, *top, *node;
     27 	ipflookupiter_t iter;
     28 	int printed, last;
     29 	ipfobj_t obj;
     30 
     31 	if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN))
     32 		return d->ipld_next;
     33 
     34 	entry = calloc(1, sizeof(*entry) + 64);
     35 	if (entry == NULL)
     36 		return d->ipld_next;
     37 
     38 	if (fields == NULL)
     39 		printdstlistdata(d, opts);
     40 
     41 	if ((d->ipld_flags & IPHASH_DELETE) != 0)
     42 		PRINTF("# ");
     43 
     44 	if ((opts & OPT_DEBUG) == 0)
     45 		PRINTF("\t{");
     46 
     47 	obj.ipfo_rev = IPFILTER_VERSION;
     48 	obj.ipfo_type = IPFOBJ_LOOKUPITER;
     49 	obj.ipfo_ptr = &iter;
     50 	obj.ipfo_size = sizeof(iter);
     51 
     52 	iter.ili_data = entry;
     53 	iter.ili_type = IPLT_DSTLIST;
     54 	iter.ili_otype = IPFLOOKUPITER_NODE;
     55 	iter.ili_ival = IPFGENITER_LOOKUP;
     56 	iter.ili_unit = d->ipld_unit;
     57 	strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN);
     58 
     59 	last = 0;
     60 	top = NULL;
     61 	printed = 0;
     62 	entry = NULL;
     63 
     64 	if (d->ipld_nodes > 0) {
     65 		while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) {
     66 			if (entry->ipfd_next == NULL)
     67 				last = 1;
     68 			entry->ipfd_next = top;
     69 			top = malloc(entry->ipfd_size);
     70 			if (top == NULL)
     71 				break;
     72 			bcopy(entry, top, entry->ipfd_size);
     73 		}
     74 	}
     75 
     76 	while (top != NULL) {
     77 		node = top;
     78 		(void) printdstlistnode(node, bcopywrap, opts, fields);
     79 		top = node->ipfd_next;
     80 		free(node);
     81 		printed++;
     82 	}
     83 
     84 	if (entry != NULL)
     85 		free(entry);
     86 
     87 	if (printed == 0)
     88 		putchar(';');
     89 
     90 	if ((opts & OPT_DEBUG) == 0)
     91 		PRINTF(" };\n");
     92 	return d->ipld_next;
     93 }
     94