svc/mfstscan/mfstscan.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) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
 */

#include <sys/types.h>

#include <errno.h>
#include <fcntl.h>
#include <libintl.h>
#include <libscf.h>
#include <libuutil.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

#include "manifest_find.h"
#include "manifest_hash.h"

#define MAX_DEPTH   24

/*
 * mfstscan - service manifest change detection utility
 *
 * mfstscan walks the given filesystem hierarchies, and reports those manifests
 * with changed or absent hash entries.  Manifests are expected to end with a
 * .xml suffix--other files will be ignored.
 */

static void
usage()
{
    (void) fprintf(stderr, gettext("Usage: %s [-t] path ...\n"),
        uu_getpname());
    exit(UU_EXIT_USAGE);
}

int
main(int argc, char *argv[])
{
    manifest_info_t **entry;
    manifest_info_t **manifests;
    scf_handle_t *hndl = NULL;
    int i;
    int paths_walked = 0;
    struct stat sb;
    int status;
    int tflag = 0;

    (void) uu_setpname(argv[0]);

    while ((i = getopt(argc, argv, "t")) != -1) {
        switch (i) {
        case 't':
            tflag = 1;
            paths_walked = 1;
            break;
        case '?':
        default:
            usage();
            /*NOTREACHED*/
        }
    }

    if (optind >= argc)
        usage();

    if ((hndl = scf_handle_create(SCF_VERSION)) == NULL)
        uu_die(gettext("Unexpected libscf error: %s.  Exiting.\n"),
            scf_strerror(scf_error()));

    if (scf_handle_bind(hndl) != SCF_SUCCESS)
        uu_die(gettext("Couldn't bind to svc.configd.\n"));

    for (i = optind; i < argc; i++) {
        if (tflag) {
            char *pname = mhash_filename_to_propname(argv[i],
                B_FALSE);

            if (pname != NULL)
                (void) puts(pname);
            else
                uu_warn(gettext("cannot resolve pathname "
                    "for %s"), argv[i]);

            continue;
        }

        if (stat(argv[i], &sb) == -1) {
            uu_warn(gettext("cannot stat %s"), argv[i]);
            continue;
        }

        status = find_manifests(hndl, argv[i], &manifests,
            CHECKHASH|CHECKEXT);
        if (status < 0) {
            uu_warn(gettext("file tree walk of %s encountered "
                "error.  %s\n"), argv[i], strerror(errno));
        } else {
            paths_walked++;
            if (manifests != NULL) {
                for (entry = manifests;
                    *entry != NULL;
                    entry++) {
                    (void) printf("%s\n",
                        (*entry)->mi_path);
                }
                free_manifest_array(manifests);
            }
        }

    }

    if (!paths_walked)
        uu_die(gettext("no paths walked\n"));

    if (hndl != NULL) {
        (void) scf_handle_unbind(hndl);
        (void) scf_handle_destroy(hndl);
    }

    return (0);
}