svc/mfstscan/mfstscan.c

	mfstscan.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

#include <sys/types.h>

#include <ftw.h>
#include <libintl.h>
#include <libscf.h>
#include <libuutil.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "manifest_hash.h"

#define MAX_DEPTH   24

static scf_handle_t *hndl;
static int tflag;

/*
 * 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);
}

/*ARGSUSED*/
static int
process(const char *fn, const struct stat *sp, int ftw_type,
    struct FTW *ftws)
{
    char *name;
    char *suffix_match;

    uchar_t hash[MHASH_SIZE];

    if (ftw_type != FTW_F)
        return (0);

    suffix_match = strstr(fn, ".xml");
    if (suffix_match == NULL || strcmp(suffix_match, ".xml") != 0)
        return (0);

    name = mhash_filename_to_propname(fn);

    if (mhash_retrieve_entry(hndl, name, hash) == -1 ||
        mhash_test_file(hndl, fn, 0, &name, hash) == 0)
        (void) printf("%s\n", fn);

    return (0);
}

int
main(int argc, char *argv[])
{
    int i;
    int paths_walked = 0;
    struct stat sb;

    (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();

    hndl = scf_handle_create(SCF_VERSION);

    if (scf_handle_bind(hndl) != SCF_SUCCESS)
        uu_die(gettext("cannot bind to repository: %s\n"),
            scf_strerror(scf_error()));

    for (i = optind; i < argc; i++) {
        if (tflag) {
            (void) puts(mhash_filename_to_propname(argv[i]));
            continue;
        }

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

        if (nftw(argv[i], process, MAX_DEPTH, FTW_MOUNT) == -1)
            uu_warn(gettext("file tree walk of %s encountered "
                "error"), argv[i]);
        else
            paths_walked++;
    }

    (void) scf_handle_unbind(hndl);
    (void) scf_handle_destroy(hndl);

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

    return (0);
}