HGKeeper

/* This file is part of the Project Athena Zephyr Notification System.

* It contains source for the ZGetSender.c function.

* Created by: Robert French

* For copying and distribution information, see the file

* "mit-copyright.h".

#include "internal.h"

#ifndef WIN32

#include <pwd.h>

#endif

char *

ZGetSender(void)

{

struct passwd *pw;

#ifdef ZEPHYR_USES_KERBEROS

char pname[ANAME_SZ];

char pinst[INST_SZ];

char prealm[REALM_SZ];

static char sender[ANAME_SZ+INST_SZ+REALM_SZ+3] = "";

long int kerror;

#else

static char sender[128] = "";

#endif

#ifdef WIN32

unsigned long sender_size = sizeof(sender) - 1;

#endif

#ifdef ZEPHYR_USES_KERBEROS

if ((kerror = krb_get_tf_fullname((char *)TKT_FILE, pname, pinst, prealm)) == KSUCCESS)

{

sprintf(sender, "%s%s%s@%s", pname, (pinst[0] ? "." : ""), pinst, prealm);

return sender;

}

#endif

#ifdef WIN32

GetUserName(sender, &sender_size);

#else

/* XXX a uid_t is a u_short (now), but getpwuid

* wants an int. AARGH! */

pw = getpwuid((int) getuid());

if (!pw)

return ("unknown");

sprintf(sender, "%s@%s", pw->pw_name, __Zephyr_realm);

#endif

return sender;

}