libsecdb/common/getuserattr.c

	getuserattr.c revision cb5caa98562cf06753163f558cbcfe30b8f4673a
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sys/types.h>
#include <sys/mman.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <nss_dbdefs.h>
#include <user_attr.h>
#include <getxby_door.h>
#include <pwd.h>


/* Externs from libnsl */
extern userstr_t *_getusernam(const char *, userstr_t *, char *, int, int *);
extern userstr_t *_getuserattr(userstr_t *, char *, int, int *);
extern userstr_t *_fgetuserattr(FILE *, userstr_t *, char *, int);
extern void _setuserattr(void);
extern void _enduserattr(void);


static userattr_t *userstr2attr(userstr_t *);


userattr_t *
getuserattr()
{
    int     err = 0;
    char        buf[NSS_BUFLEN_USERATTR];
    userstr_t   user;
    userstr_t   *tmp;

    (void) memset(&user, 0, sizeof (userattr_t));
    tmp = _getuserattr(&user, buf, NSS_BUFLEN_USERATTR, &err);
    return (userstr2attr(tmp));
}


userattr_t *
fgetuserattr(FILE *f)
{
    char        buf[NSS_BUFLEN_USERATTR];
    userstr_t   user;
    userstr_t   *tmp;

    (void) memset(&user, 0, sizeof (userattr_t));
    tmp = _fgetuserattr(f, &user, buf, NSS_BUFLEN_USERATTR);
    return (userstr2attr(tmp));
}


userattr_t *
getusernam(const char *name)
{
    int     err = 0;
    char        buf[NSS_BUFLEN_USERATTR];
    userstr_t   user;
    userstr_t   *resptr = (userstr_t *)NULL;

    resptr = _getusernam(name, &user, buf, NSS_BUFLEN_USERATTR, &err);

    return (userstr2attr(resptr));

}


userattr_t *
getuseruid(uid_t u)
{
    struct  passwd pwd;
    char    buf[NSS_BUFLEN_PASSWD];

    if (getpwuid_r(u, &pwd, buf, NSS_BUFLEN_PASSWD) == NULL)
        return ((userattr_t *)NULL);
    return (getusernam(pwd.pw_name));
}


void
setuserattr()
{
    _setuserattr();
}


void
enduserattr()
{
    _enduserattr();
}


void
free_userattr(userattr_t *user)
{
    if (user) {
        free(user->name);
        free(user->qualifier);
        free(user->res1);
        free(user->res2);
        _kva_free(user->attr);
        free(user);
    }
}


static userattr_t *
userstr2attr(userstr_t *user)
{
    userattr_t *newuser;

    if (user == NULL)
        return ((userattr_t *)NULL);

    if ((newuser = (userattr_t *)malloc(sizeof (userattr_t))) == NULL)
        return ((userattr_t *)NULL);

    newuser->name = _do_unescape(user->name);
    newuser->qualifier = _do_unescape(user->qualifier);
    newuser->res1 = _do_unescape(user->res1);
    newuser->res2 = _do_unescape(user->res2);
    newuser->attr = _str2kva(user->attr, KV_ASSIGN, KV_DELIMITER);
    return (newuser);
}


#ifdef DEBUG
void
print_userattr(userattr_t *user)
{
    extern void print_kva(kva_t *);
    char *empty = "empty";

    if (user == NULL) {
        printf("NULL\n");
        return;
    }

    printf("name=%s\n", user->name ? user->name : empty);
    printf("qualifier=%s\n", user->qualifier ? user->qualifier : empty);
    printf("res1=%s\n", user->res1 ? user->res1 : empty);
    printf("res2=%s\n", user->res2 ? user->res2 : empty);
    printf("attr=\n");
    print_kva(user->attr);
    fflush(stdout);
}
#endif  /* DEBUG */