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
smb_inet_equal(smb_inaddr_t * ip1,smb_inaddr_t * ip2)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
smb_inet_same_subnet(smb_inaddr_t * ip1,smb_inaddr_t * ip2,uint32_t v4mask)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
smb_inet_iszero(smb_inaddr_t * ipaddr)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 *
smb_inet_ntop(smb_inaddr_t * addr,char * buf,int size)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