lookup-passwd.c

/* $Id$ */

/*
 * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include<sys/types.h>

#include<pwd.h>
#include<unistd.h>

#include"fdm.h"

structuserdata*
passwd_lookup(constchar*user)
{
structpasswd*pw;
structuserdata*ud;
uid_tuid;
constchar*errstr;

if ((pw=getpwnam(user)) ==NULL) {
endpwent();
uid=strtonum(user, 0, UID_MAX, &errstr);
if (errstr!=NULL)
return (NULL);
if ((pw=getpwuid(uid)) ==NULL) {
endpwent();
return (NULL);
 }
 }

ud=xmalloc(sizeof*ud);

ud->name=xstrdup(pw->pw_name);
if (pw->pw_uid==getuid())
ud->home=xstrdup(conf.user_home);
else
ud->home=xstrdup(pw->pw_dir);

ud->uid=pw->pw_uid;
ud->gid=pw->pw_gid;

endpwent();
return (ud);
}