1 /* $NetBSD: printdstl_live.c,v 1.1.1.2 2012/07/22 13:44:40 darrenr Exp $ */ 2 3 /* 4 * Copyright (C) 2012 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, *zero; 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 zero = calloc(1, sizeof(*zero) + 64); 38 if (zero == NULL) { 39 free(entry); 40 return d->ipld_next; 41 } 42 43 if (fields == NULL) 44 printdstlistdata(d, opts); 45 46 if ((d->ipld_flags & IPHASH_DELETE) != 0) 47 PRINTF("# "); 48 49 if ((opts & OPT_DEBUG) == 0) 50 PRINTF("\t{"); 51 52 obj.ipfo_rev = IPFILTER_VERSION; 53 obj.ipfo_type = IPFOBJ_LOOKUPITER; 54 obj.ipfo_ptr = &iter; 55 obj.ipfo_size = sizeof(iter); 56 57 iter.ili_data = entry; 58 iter.ili_type = IPLT_DSTLIST; 59 iter.ili_otype = IPFLOOKUPITER_NODE; 60 iter.ili_ival = IPFGENITER_LOOKUP; 61 iter.ili_unit = d->ipld_unit; 62 strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN); 63 64 last = 0; 65 printed = 0; 66 67 while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) { 68 if (entry->ipfd_next == NULL) 69 last = 1; 70 if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0) 71 break; 72 (void) printdstlistnode(entry, bcopywrap, opts, fields); 73 printed++; 74 } 75 76 (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key); 77 free(entry); 78 free(zero); 79 80 if (printed == 0) 81 putchar(';'); 82 83 if ((opts & OPT_DEBUG) == 0) 84 PRINTF(" };\n"); 85 return d->ipld_next; 86 } 87