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(d, fd, name, opts, fields) 18 ippool_dst_t *d; 19 int fd; 20 char *name; 21 int opts; 22 wordtab_t *fields; 23 { 24 ipf_dstnode_t *entry, *zero; 25 ipflookupiter_t iter; 26 int printed, last; 27 ipfobj_t obj; 28 29 if ((name != NULL) && strncmp(name, d->ipld_name, FR_GROUPLEN)) 30 return d->ipld_next; 31 32 entry = calloc(1, sizeof(*entry) + 64); 33 if (entry == NULL) 34 return d->ipld_next; 35 zero = calloc(1, sizeof(*zero) + 64); 36 if (zero == NULL) { 37 free(entry); 38 return d->ipld_next; 39 } 40 41 if (fields == NULL) 42 printdstlistdata(d, opts); 43 44 if ((d->ipld_flags & IPHASH_DELETE) != 0) 45 PRINTF("# "); 46 47 if ((opts & OPT_DEBUG) == 0) 48 PRINTF("\t{"); 49 50 obj.ipfo_rev = IPFILTER_VERSION; 51 obj.ipfo_type = IPFOBJ_LOOKUPITER; 52 obj.ipfo_ptr = &iter; 53 obj.ipfo_size = sizeof(iter); 54 55 iter.ili_data = entry; 56 iter.ili_type = IPLT_DSTLIST; 57 iter.ili_otype = IPFLOOKUPITER_NODE; 58 iter.ili_ival = IPFGENITER_LOOKUP; 59 iter.ili_unit = d->ipld_unit; 60 strncpy(iter.ili_name, d->ipld_name, FR_GROUPLEN); 61 62 last = 0; 63 printed = 0; 64 65 while (!last && (ioctl(fd, SIOCLOOKUPITER, &obj) == 0)) { 66 if (entry->ipfd_next == NULL) 67 last = 1; 68 if (bcmp((char *)zero, (char *)entry, sizeof(*zero)) == 0) 69 break; 70 (void) printdstlistnode(entry, bcopywrap, opts, fields); 71 printed++; 72 } 73 74 (void) ioctl(fd, SIOCIPFDELTOK, &iter.ili_key); 75 free(entry); 76 free(zero); 77 78 if (printed == 0) 79 putchar(';'); 80 81 if ((opts & OPT_DEBUG) == 0) 82 PRINTF(" };\n"); 83 return d->ipld_next; 84 } 85