1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * lib/krb5/os/port2ip.c 4 * 5 * Copyright 1991 by the Massachusetts Institute of Technology. 6 * All Rights Reserved. 7 * 8 * Export of this software from the United States of America may 9 * require a specific license from the United States Government. 10 * It is the responsibility of any person or organization contemplating 11 * export to obtain such a license before exporting. 12 * 13 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 14 * distribute this software and its documentation for any purpose and 15 * without fee is hereby granted, provided that the above copyright 16 * notice appear in all copies and that both that copyright notice and 17 * this permission notice appear in supporting documentation, and that 18 * the name of M.I.T. not be used in advertising or publicity pertaining 19 * to distribution of the software without specific, written prior 20 * permission. Furthermore if you modify this software you must label 21 * your software as modified software and not distribute it in such a 22 * fashion that it might be confused with the original M.I.T. software. 23 * M.I.T. makes no representations about the suitability of 24 * this software for any purpose. It is provided "as is" without express 25 * or implied warranty. 26 * 27 * 28 * Take an ADDRPORT address and split into IP addr & port. 29 */ 30 31 #define NEED_SOCKETS 32 #include <k5-int.h> 33 34 #ifdef HAVE_NETINET_IN_H 35 #include "os-proto.h" 36 37 /*ARGSUSED*/ 38 krb5_error_code 39 krb5_unpack_full_ipaddr(krb5_context context, const krb5_address *inaddr, krb5_int32 *adr, krb5_int16 *port) 40 { 41 unsigned long smushaddr; 42 unsigned short smushport; 43 register krb5_octet *marshal; 44 krb5_addrtype temptype; 45 krb5_ui_4 templength; 46 47 if (inaddr->addrtype != ADDRTYPE_ADDRPORT) 48 return KRB5_PROG_ATYPE_NOSUPP; 49 50 if (inaddr->length != sizeof(smushaddr)+ sizeof(smushport) + 51 2*sizeof(temptype) + 2*sizeof(templength)) 52 return KRB5_PROG_ATYPE_NOSUPP; 53 54 marshal = inaddr->contents; 55 56 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype)); 57 marshal += sizeof(temptype); 58 if (temptype != htons(ADDRTYPE_INET)) 59 return KRB5_PROG_ATYPE_NOSUPP; 60 61 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength)); 62 marshal += sizeof(templength); 63 if (templength != htonl(sizeof(smushaddr))) 64 return KRB5_PROG_ATYPE_NOSUPP; 65 66 (void) memcpy((char *)&smushaddr, (char *)marshal, sizeof(smushaddr)); 67 /* leave in net order */ 68 marshal += sizeof(smushaddr); 69 70 (void) memcpy((char *)&temptype, (char *)marshal, sizeof(temptype)); 71 marshal += sizeof(temptype); 72 if (temptype != htons(ADDRTYPE_IPPORT)) 73 return KRB5_PROG_ATYPE_NOSUPP; 74 75 (void) memcpy((char *)&templength, (char *)marshal, sizeof(templength)); 76 marshal += sizeof(templength); 77 if (templength != htonl(sizeof(smushport))) 78 return KRB5_PROG_ATYPE_NOSUPP; 79 80 (void) memcpy((char *)&smushport, (char *)marshal, sizeof(smushport)); 81 /* leave in net order */ 82 83 *adr = (krb5_int32) smushaddr; 84 *port = (krb5_int16) smushport; 85 return 0; 86 } 87 #endif 88