1 #pragma ident "%Z%%M% %I% %E% SMI" 2 /* 3 * lib/krb5/os/full_ipadr.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 IP addr & port and generate a full IP address. 29 */ 30 31 #define NEED_SOCKETS 32 #include <k5-int.h> 33 34 #ifdef HAVE_NETINET_IN_H 35 36 #include "os-proto.h" 37 38 krb5_error_code 39 krb5_make_full_ipaddr(krb5_context context, krb5_int32 adr, 40 /*krb5_int16*/int port, krb5_address **outaddr) 41 { 42 unsigned long smushaddr = (unsigned long) adr; /* already in net order */ 43 unsigned short smushport = (unsigned short) port; /* ditto */ 44 register krb5_address *retaddr; 45 register krb5_octet *marshal; 46 krb5_addrtype temptype; 47 krb5_int32 templength; 48 49 if (!(retaddr = (krb5_address *)malloc(sizeof(*retaddr)))) { 50 return ENOMEM; 51 } 52 retaddr->magic = KV5M_ADDRESS; 53 retaddr->addrtype = ADDRTYPE_ADDRPORT; 54 retaddr->length = sizeof(smushaddr)+ sizeof(smushport) + 55 2*sizeof(temptype) + 2*sizeof(templength); 56 57 if (!(retaddr->contents = (krb5_octet *)malloc(retaddr->length))) { 58 krb5_xfree(retaddr); 59 return ENOMEM; 60 } 61 marshal = retaddr->contents; 62 63 temptype = htons(ADDRTYPE_INET); 64 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype)); 65 marshal += sizeof(temptype); 66 67 templength = htonl(sizeof(smushaddr)); 68 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength)); 69 marshal += sizeof(templength); 70 71 (void) memcpy((char *)marshal, (char *)&smushaddr, sizeof(smushaddr)); 72 marshal += sizeof(smushaddr); 73 74 temptype = htons(ADDRTYPE_IPPORT); 75 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype)); 76 marshal += sizeof(temptype); 77 78 templength = htonl(sizeof(smushport)); 79 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength)); 80 marshal += sizeof(templength); 81 82 (void) memcpy((char *)marshal, (char *)&smushport, sizeof(smushport)); 83 marshal += sizeof(smushport); 84 85 *outaddr = retaddr; 86 return 0; 87 } 88 #endif 89