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/* Copyright (c) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <string.h>
#include <rpcsvc/nis.h>
#include <rpcsvc/nislib.h>
#include "nis_intern.h"
/* Nearly the same as nis_getnames, but nis_getnames stopped
when 2 points left */
nis_name *
__nis_expandname (const char *name)
{
nis_name *getnames = NULL;
char local_domain[NIS_MAXNAMELEN + 1];
char *path, *cp;
int count, pos;
strncpy (local_domain, nis_local_directory (), NIS_MAXNAMELEN);
local_domain[NIS_MAXNAMELEN] = '\0';
count = 1;
if ((getnames = malloc ((count + 1) * sizeof (char *))) == NULL)
return NULL;
/* Do we have a fully qualified NIS+ name ? If yes, give it back */
if (name[strlen (name) - 1] == '.')
{
if ((getnames[0] = strdup (name)) == NULL)
{
free (getnames);
return NULL;
}
getnames[1] = NULL;
return getnames;
}
/* Get the search path, where we have to search "name" */
path = getenv ("NIS_PATH");
if (path == NULL)
path = strdupa ("$");
else
path = strdupa (path);
pos = 0;
cp = strtok (path, ":");
while (cp)
{
if (strcmp (cp, "$") == 0)
{
char *cptr = local_domain;
char *tmp;
while (*cptr != '\0')
{
if (pos >= count)
{
count += 5;
getnames = realloc (getnames, (count + 1) * sizeof (char *));
}
tmp = malloc (strlen (cptr) + strlen (local_domain) +
strlen (name) + 2);
if (tmp == NULL)
return NULL;
getnames[pos] = tmp;
tmp = stpcpy (tmp, name);
if (*cptr != '.')
*tmp++ = '.';
stpcpy (tmp, cptr);
++pos;
++cptr;
while ((*cptr != '\0') && (*cptr != '.'))
++cptr;
if ((*cptr == '.') && (cptr[1] != '\0'))
++cptr;
}
}
else
{
char *tmp;
if (cp[strlen (cp) - 1] == '$')
{
tmp = malloc (strlen (cp) + strlen (local_domain) +
strlen (name) + 2);
if (tmp == NULL)
return NULL;
getnames[pos] = tmp;
tmp = stpcpy (tmp, name);
*tmp++ = '.';
tmp = stpcpy (tmp, cp);
--tmp;
if (tmp[- 1] != '.')
*tmp++ = '.';
stpcpy (tmp, local_domain);
}
else
{
tmp = malloc (strlen (cp) + strlen (name) + 2);
if (tmp == NULL)
return NULL;
tmp = stpcpy (tmp, name);
*tmp++ = '.';
stpcpy (tmp, cp);
}
if (pos > count)
{
count += 5;
getnames = realloc (getnames, (count + 1) * sizeof (char *));
}
getnames[pos] = tmp;
pos++;
}
cp = strtok (NULL, ":");
}
getnames[pos] = NULL;
return getnames;
}
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