1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright (C) 2002 by Darren Reed. 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * See the IPFILTER.LICENCE file for details on licencing. 5*0Sstevel@tonic-gate * 6*0Sstevel@tonic-gate * $Id: load_hash.c,v 1.10 2003/04/26 04:55:11 darrenr Exp $ 7*0Sstevel@tonic-gate */ 8*0Sstevel@tonic-gate 9*0Sstevel@tonic-gate #include <fcntl.h> 10*0Sstevel@tonic-gate #include <sys/ioctl.h> 11*0Sstevel@tonic-gate #include "ipf.h" 12*0Sstevel@tonic-gate #if SOLARIS2 >= 10 13*0Sstevel@tonic-gate #include "ip_lookup.h" 14*0Sstevel@tonic-gate #include "ip_htable.h" 15*0Sstevel@tonic-gate #else 16*0Sstevel@tonic-gate #include "netinet/ip_lookup.h" 17*0Sstevel@tonic-gate #include "netinet/ip_htable.h" 18*0Sstevel@tonic-gate #endif 19*0Sstevel@tonic-gate 20*0Sstevel@tonic-gate static int hashfd = -1; 21*0Sstevel@tonic-gate 22*0Sstevel@tonic-gate 23*0Sstevel@tonic-gate int load_hash(iphp, list, iocfunc) 24*0Sstevel@tonic-gate iphtable_t *iphp; 25*0Sstevel@tonic-gate iphtent_t *list; 26*0Sstevel@tonic-gate ioctlfunc_t iocfunc; 27*0Sstevel@tonic-gate { 28*0Sstevel@tonic-gate iplookupop_t op; 29*0Sstevel@tonic-gate iphtable_t iph; 30*0Sstevel@tonic-gate iphtent_t *a; 31*0Sstevel@tonic-gate size_t size; 32*0Sstevel@tonic-gate int n; 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 35*0Sstevel@tonic-gate hashfd = open(IPLOOKUP_NAME, O_RDWR); 36*0Sstevel@tonic-gate if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 37*0Sstevel@tonic-gate return -1; 38*0Sstevel@tonic-gate if (list == NULL) 39*0Sstevel@tonic-gate return 0; 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate for (n = 0, a = list; a != NULL; a = a->ipe_next) 42*0Sstevel@tonic-gate n++; 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate op.iplo_arg = 0; 45*0Sstevel@tonic-gate op.iplo_type = IPLT_HASH; 46*0Sstevel@tonic-gate op.iplo_unit = iphp->iph_unit; 47*0Sstevel@tonic-gate strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name)); 48*0Sstevel@tonic-gate if (*op.iplo_name == '\0') 49*0Sstevel@tonic-gate op.iplo_arg = IPHASH_ANON; 50*0Sstevel@tonic-gate op.iplo_size = sizeof(iph); 51*0Sstevel@tonic-gate op.iplo_struct = &iph; 52*0Sstevel@tonic-gate iph.iph_unit = iphp->iph_unit; 53*0Sstevel@tonic-gate iph.iph_type = iphp->iph_type; 54*0Sstevel@tonic-gate strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name)); 55*0Sstevel@tonic-gate iph.iph_flags = iphp->iph_flags; 56*0Sstevel@tonic-gate if (iphp->iph_size == 0) 57*0Sstevel@tonic-gate size = n * 2 - 1; 58*0Sstevel@tonic-gate else 59*0Sstevel@tonic-gate size = iphp->iph_size; 60*0Sstevel@tonic-gate iph.iph_size = size; 61*0Sstevel@tonic-gate iph.iph_seed = iphp->iph_seed; 62*0Sstevel@tonic-gate iph.iph_table = NULL; 63*0Sstevel@tonic-gate iph.iph_ref = 0; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate if ((*iocfunc)(hashfd, SIOCLOOKUPADDTABLE, &op)) 66*0Sstevel@tonic-gate if ((opts & OPT_DONOTHING) == 0) { 67*0Sstevel@tonic-gate perror("load_hash:SIOCLOOKUPADDTABLE"); 68*0Sstevel@tonic-gate return -1; 69*0Sstevel@tonic-gate } 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate strncpy(op.iplo_name, iph.iph_name, sizeof(op.iplo_name)); 72*0Sstevel@tonic-gate strncpy(iphp->iph_name, iph.iph_name, sizeof(op.iplo_name)); 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate if (opts & OPT_VERBOSE) { 75*0Sstevel@tonic-gate for (a = list; a != NULL; a = a->ipe_next) { 76*0Sstevel@tonic-gate a->ipe_addr.in4_addr = ntohl(a->ipe_addr.in4_addr); 77*0Sstevel@tonic-gate a->ipe_mask.in4_addr = ntohl(a->ipe_mask.in4_addr); 78*0Sstevel@tonic-gate } 79*0Sstevel@tonic-gate iph.iph_table = calloc(size, sizeof(*iph.iph_table)); 80*0Sstevel@tonic-gate if (iph.iph_table == NULL) { 81*0Sstevel@tonic-gate perror("calloc(size, sizeof(*iph.iph_table))"); 82*0Sstevel@tonic-gate return -1; 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate iph.iph_table[0] = list; 85*0Sstevel@tonic-gate printhash(&iph, bcopywrap, opts); 86*0Sstevel@tonic-gate free(iph.iph_table); 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate for (a = list; a != NULL; a = a->ipe_next) { 89*0Sstevel@tonic-gate a->ipe_addr.in4_addr = htonl(a->ipe_addr.in4_addr); 90*0Sstevel@tonic-gate a->ipe_mask.in4_addr = htonl(a->ipe_mask.in4_addr); 91*0Sstevel@tonic-gate } 92*0Sstevel@tonic-gate } 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate if (opts & OPT_DEBUG) 95*0Sstevel@tonic-gate printf("Hash %s:\n", iph.iph_name); 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate for (a = list; a != NULL; a = a->ipe_next) 98*0Sstevel@tonic-gate load_hashnode(iphp->iph_unit, iph.iph_name, a, iocfunc); 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate return 0; 101*0Sstevel@tonic-gate } 102