1 /* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 */ 6 7 #include <sys/ioctl.h> 8 #include "ipf.h" 9 #include "netinet/ipl.h" 10 11 12 /* 13 * Because the ipf_dstnode_t can vary in size because of the interface name, 14 * the size may be larger than just sizeof(). 15 */ 16 ippool_dst_t * 17 printdstl_live( ippool_dst_t *d, int fd, char *name, int opts, 18 wordtab_t *fields) 19 { 20 ipf_dstnode_t *entry, *zero; 21 ipflookupiter_t iter; 22 int printed, last; 23 ipfobj_t obj; 24 25 if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN)) 26 return (d->ipld_next); 27 28 entry = calloc(1, sizeof(*entry) + 64); 29 if (entry == NULL) 30 return (d->ipld_next); 31 zero = calloc(1, sizeof(*zero) + 64); 32 if (zero == NULL) { 33 free(entry); 34 return (d->ipld_next); 35 } 36 37 if (fields == NULL) 38 printdstlistdata(d, opts); 39 40 if ((d->ipld_flags & IPHASH_DELETE) != 0) 41 PRINTF("# "); 42 43 if (opts & OPT_SAVEOUT) 44 PRINTF("{\n"); 45 46 if ((opts & OPT_DEBUG) == 0) 47 PRINTF("\t{"); 48 49 obj.ipfo_rev = IPFILTER_VERSION; 50 obj.ipfo_type = IPFOBJ_LOOKUPITER; 51 obj.ipfo_ptr = &iter; 52 obj.ipfo_size = sizeof(iter); 53 54 iter.ili_data = entry; 55 iter.ili_type = IPLT_DSTLIST; 56 iter.ili_otype = IPFLOOKUPITER_NODE; 57 iter.ili_ival = IPFGENITER_LOOKUP; 58 iter.ili_unit = d->ipld_unit; 59 strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN); 60 61 last = 0; 62 printed = 0; 63 64 while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) { 65 if (entry->ipfd_next == NULL) 66 last = 1; 67 if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0) 68 break; 69 (void) printdstlistnode(entry, bcopywrap, opts, fields); 70 printed++; 71 } 72 73 (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key); 74 free(entry); 75 free(zero); 76 77 if (printed == 0) 78 putchar(';'); 79 80 if ((opts & OPT_DEBUG) == 0) 81 PRINTF(" };\n"); 82 return (d->ipld_next); 83 } 84