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/*
* lib/krb5/os/genaddrs.c
*
* Copyright 1995 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
*
* Take an IP addr & port and generate a full IP address.
*/
#define NEED_SOCKETS
#include "k5-int.h"
#include "os-proto.h"
#if !defined(_WINSOCKAPI_) && !defined(HAVE_MACSOCK_H)
#include <netinet/in.h>
#endif
KRB5_DLLIMP krb5_error_code KRB5_CALLCONV
krb5_auth_con_genaddrs(context, auth_context, infd, flags)
krb5_context context;
krb5_auth_context auth_context;
int infd;
int flags;
{
krb5_error_code retval;
krb5_address * laddr;
krb5_address * lport;
krb5_address * raddr;
krb5_address * rport;
SOCKET fd = (SOCKET) infd;
#ifdef HAVE_NETINET_IN_H
struct sockaddr_in lsaddr, rsaddr;
krb5_address lcaddr, rcaddr;
krb5_address lcport, rcport;
int ssize;
ssize = sizeof(struct sockaddr);
if ((flags & KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR) ||
(flags & KRB5_AUTH_CONTEXT_GENERATE_LOCAL_ADDR)) {
if ((retval = getsockname(fd, (struct sockaddr *) &lsaddr, &ssize)))
return retval;
if (flags & KRB5_AUTH_CONTEXT_GENERATE_LOCAL_FULL_ADDR) {
lcport.contents = (krb5_octet *)&lsaddr.sin_port;
lcport.length = sizeof(lsaddr.sin_port);
lcport.addrtype = ADDRTYPE_IPPORT;
lport = &lcport;
} else {
lport = NULL;
}
lcaddr.contents = (krb5_octet *)&lsaddr.sin_addr;
lcaddr.length = sizeof(lsaddr.sin_addr);
lcaddr.addrtype = ADDRTYPE_INET;
laddr = &lcaddr;
} else {
laddr = NULL;
lport = NULL;
}
if ((flags & KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR) ||
(flags & KRB5_AUTH_CONTEXT_GENERATE_REMOTE_ADDR)) {
if ((retval = getpeername(fd, (struct sockaddr *) &rsaddr, &ssize)))
return retval;
if (flags & KRB5_AUTH_CONTEXT_GENERATE_REMOTE_FULL_ADDR) {
rcport.contents = (krb5_octet *)&rsaddr.sin_port;
rcport.length = sizeof(rsaddr.sin_port);
rcport.addrtype = ADDRTYPE_IPPORT;
rport = &rcport;
} else {
rport = NULL;
}
rcaddr.contents = (krb5_octet *)&rsaddr.sin_addr;
rcaddr.length = sizeof(rsaddr.sin_addr);
rcaddr.addrtype = ADDRTYPE_INET;
raddr = &rcaddr;
} else {
raddr = NULL;
rport = NULL;
}
if (!(retval = krb5_auth_con_setaddrs(context, auth_context, laddr, raddr)))
return (krb5_auth_con_setports(context, auth_context, lport, rport));
return retval;
#else
return KRB5_PROG_ATYPE_NOSUPP;
#endif
}
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