1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * Copyright 2014 Nexenta Systems, Inc. All rights reserved. 26 */ 27 28 /* 29 * This file was originally generated using rpcgen. 30 */ 31 32 #include <sys/types.h> 33 #include <sys/socket.h> 34 #include <netinet/in.h> 35 36 #if !defined(_KERNEL) 37 #include <errno.h> 38 #include <string.h> 39 #include <strings.h> 40 #include <arpa/inet.h> 41 #else /* !_KERNEL */ 42 #include <sys/errno.h> 43 #include <sys/sunddi.h> 44 /* Don't want the rest of what's in inet/ip.h */ 45 extern char *inet_ntop(int, const void *, char *, int); 46 extern int inet_pton(int, char *, void *); 47 #endif /* !_KERNEL */ 48 49 #include <smbsrv/smb_inet.h> 50 51 const struct in6_addr ipv6addr_any = IN6ADDR_ANY_INIT; 52 53 boolean_t 54 smb_inet_equal(smb_inaddr_t *ip1, smb_inaddr_t *ip2) 55 { 56 if ((ip1->a_family == AF_INET) && 57 (ip2->a_family == AF_INET) && 58 (ip1->a_ipv4 == ip2->a_ipv4)) 59 return (B_TRUE); 60 61 if ((ip1->a_family == AF_INET6) && 62 (ip2->a_family == AF_INET6) && 63 (!memcmp(&ip1->a_ipv6, &ip2->a_ipv6, sizeof (in6_addr_t)))) 64 return (B_TRUE); 65 else 66 return (B_FALSE); 67 } 68 69 boolean_t 70 smb_inet_same_subnet(smb_inaddr_t *ip1, smb_inaddr_t *ip2, uint32_t v4mask) 71 { 72 if ((ip1->a_family == AF_INET) && 73 (ip2->a_family == AF_INET) && 74 ((ip1->a_ipv4 & v4mask) == (ip2->a_ipv4 & v4mask))) 75 return (B_TRUE); 76 77 if ((ip1->a_family == AF_INET6) && 78 (ip2->a_family == AF_INET6) && 79 (!memcmp(&ip1->a_ipv6, &ip2->a_ipv6, sizeof (in6_addr_t)))) 80 return (B_TRUE); 81 else 82 return (B_FALSE); 83 } 84 85 boolean_t 86 smb_inet_iszero(smb_inaddr_t *ipaddr) 87 { 88 const void *ipsz = (const void *)&ipv6addr_any; 89 90 if ((ipaddr->a_family == AF_INET) && 91 (ipaddr->a_ipv4 == 0)) 92 return (B_TRUE); 93 94 if ((ipaddr->a_family == AF_INET6) && 95 !memcmp(&ipaddr->a_ipv6, ipsz, sizeof (in6_addr_t))) 96 return (B_TRUE); 97 else 98 return (B_FALSE); 99 } 100 101 const char * 102 smb_inet_ntop(smb_inaddr_t *addr, char *buf, int size) 103 { 104 /* Lint avoidance. */ 105 #if !defined(_KERNEL) 106 size_t sz = (size_t)size; 107 #else /* _KERNEL */ 108 int sz = size; 109 110 /* 111 * Until uts/common/inet/ip/inet_ntop.c is fixed so it 112 * no longer uses leading zeros printing IPv4 addresses, 113 * we need to handle IPv4 ourselves. If we leave the 114 * leading zeros, Windows clients get errors trying to 115 * resolve those address strings to names. After: 116 * https://www.illumos.org/issues/5980 is fixed, 117 * this work-around can be removed. 118 */ 119 if (addr->a_family == AF_INET) { 120 uint8_t *p = (void *) &addr->a_ipv4; 121 (void) snprintf(buf, size, "%d.%d.%d.%d", 122 p[0], p[1], p[2], p[3]); 123 return (buf); 124 } 125 #endif /* _KERNEL */ 126 127 return ((char *)inet_ntop(addr->a_family, addr, buf, sz)); 128 } 129