1 /* 2 * lib/krb5/os/full_ipadr.c 3 * 4 * Copyright 1991 by the Massachusetts Institute of Technology. 5 * All Rights Reserved. 6 * 7 * Export of this software from the United States of America may 8 * require a specific license from the United States Government. 9 * It is the responsibility of any person or organization contemplating 10 * export to obtain such a license before exporting. 11 * 12 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 13 * distribute this software and its documentation for any purpose and 14 * without fee is hereby granted, provided that the above copyright 15 * notice appear in all copies and that both that copyright notice and 16 * this permission notice appear in supporting documentation, and that 17 * the name of M.I.T. not be used in advertising or publicity pertaining 18 * to distribution of the software without specific, written prior 19 * permission. Furthermore if you modify this software you must label 20 * your software as modified software and not distribute it in such a 21 * fashion that it might be confused with the original M.I.T. software. 22 * M.I.T. makes no representations about the suitability of 23 * this software for any purpose. It is provided "as is" without express 24 * or implied warranty. 25 * 26 * 27 * Take an IP addr & port and generate a full IP address. 28 */ 29 30 #include "k5-int.h" 31 32 #ifdef HAVE_NETINET_IN_H 33 34 #include "os-proto.h" 35 36 krb5_error_code 37 krb5_make_full_ipaddr(krb5_context context, krb5_int32 adr, 38 /*krb5_int16*/int port, krb5_address **outaddr) 39 { 40 unsigned long smushaddr = (unsigned long) adr; /* already in net order */ 41 unsigned short smushport = (unsigned short) port; /* ditto */ 42 register krb5_address *retaddr; 43 register krb5_octet *marshal; 44 krb5_addrtype temptype; 45 krb5_int32 templength; 46 47 if (!(retaddr = (krb5_address *)malloc(sizeof(*retaddr)))) { 48 return ENOMEM; 49 } 50 retaddr->magic = KV5M_ADDRESS; 51 retaddr->addrtype = ADDRTYPE_ADDRPORT; 52 retaddr->length = sizeof(smushaddr)+ sizeof(smushport) + 53 2*sizeof(temptype) + 2*sizeof(templength); 54 55 if (!(retaddr->contents = (krb5_octet *)malloc(retaddr->length))) { 56 krb5_xfree(retaddr); 57 return ENOMEM; 58 } 59 marshal = retaddr->contents; 60 61 temptype = htons(ADDRTYPE_INET); 62 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype)); 63 marshal += sizeof(temptype); 64 65 templength = htonl(sizeof(smushaddr)); 66 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength)); 67 marshal += sizeof(templength); 68 69 (void) memcpy((char *)marshal, (char *)&smushaddr, sizeof(smushaddr)); 70 marshal += sizeof(smushaddr); 71 72 temptype = htons(ADDRTYPE_IPPORT); 73 (void) memcpy((char *)marshal, (char *)&temptype, sizeof(temptype)); 74 marshal += sizeof(temptype); 75 76 templength = htonl(sizeof(smushport)); 77 (void) memcpy((char *)marshal, (char *)&templength, sizeof(templength)); 78 marshal += sizeof(templength); 79 80 (void) memcpy((char *)marshal, (char *)&smushport, sizeof(smushport)); 81 marshal += sizeof(smushport); 82 83 *outaddr = retaddr; 84 return 0; 85 } 86 #endif 87