root/usr/src/cmd/userattr/userattr.c
/*
 * 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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
 */

#include <errno.h>
#include <locale.h>
#include <pwd.h>
#include <secdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <sys/types.h>

boolean_t       verbose = B_FALSE;
char            *attr_name = NULL;

#if     !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN "SYS_TEST"
#endif  /* !TEXT_DOMAIN */

/*
 *      userattr [-v] attr_name [user]
 */

/* ARGSUSED */
static int
attr(const char *name, kva_t *kva, void *ctxt, void *pres)
{
        char    *val;

        if ((val = kva_match(kva, attr_name)) != NULL) {
                if (verbose) {
                        char *prof_name = "user_attr";

                        if (name != NULL) {
                                prof_name = (char *)name;
                        }
                        (void) printf("%s : %s\n", prof_name, val);
                } else {
                        (void) printf("%s\n", val);
                }
                exit(0);
        }

        return (0);     /* no match */
}

int
main(int argc, char *argv[])
{
        int     opt = 1;
        char    *user = NULL;
        struct passwd *pwd;

        (void) setlocale(LC_ALL, "");
        (void) textdomain(TEXT_DOMAIN);

        if ((argc >= 2) &&
            (strncmp(argv[opt], "-v", sizeof ("-v")) == 0)) {
                verbose = B_TRUE;
                opt++;
                argc--;
        }
        if (argc >= 2) {
                attr_name = argv[opt++];
        }
        if (argc >= 3) {
                user = argv[opt++];
        }

        if ((attr_name == NULL) || (opt < argc)) {
                (void) fprintf(stderr,
                    gettext("Usage: %s [-v] attribute_name [user]\n"), argv[0]);
                exit(1);
        }

        if (user == NULL) {
                uid_t   uid = getuid();

                if ((pwd = getpwuid(uid)) == NULL) {
                        (void) fprintf(stderr,
                            gettext("Cannot find user for uid %d\n"), uid);
                        exit(1);
                }
                user = pwd->pw_name;
        } else {
                if ((pwd = getpwnam(user)) == NULL) {
                        (void) fprintf(stderr,
                            gettext("No such user %s\n"), user);
                        exit(1);
                }
        }

        (void) _enum_attrs(user, attr, NULL, NULL);

        if (verbose) {
                (void) fprintf(stderr,
                    gettext("attribute \"%s\" not found for %s\n"), attr_name,
                    user);
        }

        return (1);
}