1 /* 2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 #include <k5-int.h> 7 #include <socket-utils.h> 8 #include <inet/ip.h> 9 10 /* 11 * convert a sockaddr_storage address to a krb5_address 12 * Returns address of krbap if success, NULL if error. 13 */ 14 15 krb5_address * 16 cvtkaddr(struct sockaddr_storage *ss, krb5_address *krbap) 17 { 18 switch (ss->ss_family) { 19 case AF_INET: 20 krbap->contents = (krb5_octet *) 21 malloc(sizeof (ss2sin(ss)->sin_addr)); 22 if (krbap->contents == NULL) 23 return (NULL); 24 memcpy((char *)krbap->contents, 25 (char *)&(ss2sin(ss)->sin_addr), 26 sizeof (ss2sin(ss)->sin_addr)); 27 krbap->addrtype = ADDRTYPE_INET; 28 krbap->length = sizeof (ss2sin(ss)->sin_addr); 29 return (krbap); 30 case AF_INET6: 31 if (IN6_IS_ADDR_V4MAPPED(&ss2sin6(ss)->sin6_addr)) { 32 /* coerce to IPv4 address */ 33 krbap->contents = (krb5_octet *) 34 malloc(IPV4_ADDR_LEN); 35 if (krbap->contents == NULL) 36 return (NULL); 37 IN6_V4MAPPED_TO_IPADDR( 38 &(ss2sin6(ss)->sin6_addr), 39 *(ipaddr_t *)(krbap->contents)); 40 krbap->addrtype = ADDRTYPE_INET; 41 krbap->length = IPV4_ADDR_LEN; 42 } else { 43 krbap->contents = (krb5_octet *) 44 malloc(sizeof (ss2sin6(ss)->sin6_addr)); 45 if (krbap->contents == NULL) 46 return (NULL); 47 memcpy((char *)krbap->contents, 48 (char *)&ss2sin6(ss)->sin6_addr, 49 sizeof (ss2sin6(ss)->sin6_addr)); 50 krbap->addrtype = ADDRTYPE_INET6; 51 krbap->length = sizeof (ss2sin6(ss)->sin6_addr); 52 } 53 return (krbap); 54 default: 55 return (NULL); 56 } 57 } 58