1 /* 2 * Copyright (C) 2002 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * $Id: load_hash.c,v 1.10 2003/04/26 04:55:11 darrenr Exp $ 7 * 8 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 9 * Use is subject to license terms. 10 */ 11 12 #pragma ident "%Z%%M% %I% %E% SMI" 13 14 #include <fcntl.h> 15 #include <sys/ioctl.h> 16 #include "ipf.h" 17 #if SOLARIS2 >= 10 18 #include "ip_lookup.h" 19 #include "ip_htable.h" 20 #else 21 #include "netinet/ip_lookup.h" 22 #include "netinet/ip_htable.h" 23 #endif 24 25 static int hashfd = -1; 26 27 28 int load_hash(iphp, list, iocfunc) 29 iphtable_t *iphp; 30 iphtent_t *list; 31 ioctlfunc_t iocfunc; 32 { 33 iplookupop_t op; 34 iphtable_t iph; 35 iphtent_t *a; 36 size_t size; 37 int n; 38 39 if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 40 hashfd = open(IPLOOKUP_NAME, O_RDWR); 41 if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 42 return -1; 43 if (list == NULL) 44 return 0; 45 46 for (n = 0, a = list; a != NULL; a = a->ipe_next) 47 n++; 48 49 op.iplo_arg = 0; 50 op.iplo_type = IPLT_HASH; 51 op.iplo_unit = iphp->iph_unit; 52 strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name)); 53 if (*op.iplo_name == '\0') 54 op.iplo_arg = IPHASH_ANON; 55 op.iplo_size = sizeof(iph); 56 op.iplo_struct = &iph; 57 iph.iph_unit = iphp->iph_unit; 58 iph.iph_type = iphp->iph_type; 59 strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name)); 60 iph.iph_flags = iphp->iph_flags; 61 if (iphp->iph_size == 0) 62 size = n * 2 - 1; 63 else 64 size = iphp->iph_size; 65 iph.iph_size = size; 66 iph.iph_seed = iphp->iph_seed; 67 iph.iph_table = NULL; 68 iph.iph_ref = 0; 69 70 if ((*iocfunc)(hashfd, SIOCLOOKUPADDTABLE, &op)) 71 if ((opts & OPT_DONOTHING) == 0) { 72 perror("load_hash:SIOCLOOKUPADDTABLE"); 73 return -1; 74 } 75 76 strncpy(op.iplo_name, iph.iph_name, sizeof(op.iplo_name)); 77 strncpy(iphp->iph_name, iph.iph_name, sizeof(op.iplo_name)); 78 79 if (opts & OPT_VERBOSE) { 80 for (a = list; a != NULL; a = a->ipe_next) { 81 if (a->ipe_family == AF_INET) { 82 a->ipe_addr.in4_addr = ntohl(a->ipe_addr.in4_addr); 83 a->ipe_mask.in4_addr = ntohl(a->ipe_mask.in4_addr); 84 } 85 } 86 iph.iph_table = calloc(size, sizeof(*iph.iph_table)); 87 if (iph.iph_table == NULL) { 88 perror("calloc(size, sizeof(*iph.iph_table))"); 89 return -1; 90 } 91 iph.iph_table[0] = list; 92 printhash(&iph, bcopywrap, opts); 93 free(iph.iph_table); 94 95 for (a = list; a != NULL; a = a->ipe_next) { 96 if (a->ipe_family == AF_INET) { 97 a->ipe_addr.in4_addr = htonl(a->ipe_addr.in4_addr); 98 a->ipe_mask.in4_addr = htonl(a->ipe_mask.in4_addr); 99 } 100 } 101 } 102 103 if (opts & OPT_DEBUG) 104 printf("Hash %s:\n", iph.iph_name); 105 106 for (a = list; a != NULL; a = a->ipe_next) 107 load_hashnode(iphp->iph_unit, iph.iph_name, a, iocfunc); 108 109 return 0; 110 } 111