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_DEBUG) == 0) 44 PRINTF("\t{"); 45 46 obj.ipfo_rev = IPFILTER_VERSION; 47 obj.ipfo_type = IPFOBJ_LOOKUPITER; 48 obj.ipfo_ptr = &iter; 49 obj.ipfo_size = sizeof(iter); 50 51 iter.ili_data = entry; 52 iter.ili_type = IPLT_DSTLIST; 53 iter.ili_otype = IPFLOOKUPITER_NODE; 54 iter.ili_ival = IPFGENITER_LOOKUP; 55 iter.ili_unit = d->ipld_unit; 56 strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN); 57 58 last = 0; 59 printed = 0; 60 61 while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) { 62 if (entry->ipfd_next == NULL) 63 last = 1; 64 if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0) 65 break; 66 (void) printdstlistnode(entry, bcopywrap, opts, fields); 67 printed++; 68 } 69 70 (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key); 71 free(entry); 72 free(zero); 73 74 if (printed == 0) 75 putchar(';'); 76 77 if ((opts & OPT_DEBUG) == 0) 78 PRINTF(" };\n"); 79 return (d->ipld_next); 80 } 81