db_archive.c

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1996-2005
 *      Sleepycat Software.  All rights reserved.
 *
 * $Id: db_archive.c,v 12.4 2005/09/09 12:38:30 bostic Exp $
 */

#include "db_config.h"

#ifndef lint
static const char copyright[] =
    "Copyright (c) 1996-2005\nSleepycat Software Inc.  All rights reserved.\n";
#endif

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#endif

#include "db_int.h"

int main __P((int, char *[]));
int usage __P((void));
int version_check __P((void));

const char *progname;

int
main(argc, argv)
        int argc;
        char *argv[];
{
        extern char *optarg;
        extern int optind;
        DB_ENV  *dbenv;
        u_int32_t flags;
        int ch, exitval, ret, verbose;
        char **file, *home, **list, *passwd;

        if ((progname = strrchr(argv[0], '/')) == NULL)
                progname = argv[0];
        else
                ++progname;

        if ((ret = version_check()) != 0)
                return (ret);

        dbenv = NULL;
        flags = 0;
        exitval = verbose = 0;
        home = passwd = NULL;
        file = list = NULL;
        while ((ch = getopt(argc, argv, "adh:lP:sVv")) != EOF)
                switch (ch) {
                case 'a':
                        LF_SET(DB_ARCH_ABS);
                        break;
                case 'd':
                        LF_SET(DB_ARCH_REMOVE);
                        break;
                case 'h':
                        home = optarg;
                        break;
                case 'l':
                        LF_SET(DB_ARCH_LOG);
                        break;
                case 'P':
                        passwd = strdup(optarg);
                        memset(optarg, 0, strlen(optarg));
                        if (passwd == NULL) {
                                fprintf(stderr, "%s: strdup: %s\n",
                                    progname, strerror(errno));
                                return (EXIT_FAILURE);
                        }
                        break;
                case 's':
                        LF_SET(DB_ARCH_DATA);
                        break;
                case 'V':
                        printf("%s\n", db_version(NULL, NULL, NULL));
                        return (EXIT_SUCCESS);
                case 'v':
                        verbose = 1;
                        break;
                case '?':
                default:
                        return (usage());
                }
        argc -= optind;
        argv += optind;

        if (argc != 0)
                return (usage());

        /* Handle possible interruptions. */
        __db_util_siginit();

        /*
         * Create an environment object and initialize it for error
         * reporting.
         */
        if ((ret = db_env_create(&dbenv, 0)) != 0) {
                fprintf(stderr,
                    "%s: db_env_create: %s\n", progname, db_strerror(ret));
                goto shutdown;
        }

        dbenv->set_errfile(dbenv, stderr);
        dbenv->set_errpfx(dbenv, progname);

        if (passwd != NULL && (ret = dbenv->set_encrypt(dbenv,
            passwd, DB_ENCRYPT_AES)) != 0) {
                dbenv->err(dbenv, ret, "set_passwd");
                goto shutdown;
        }
        /*
         * If attaching to a pre-existing environment fails, create a
         * private one and try again.
         */
        if ((ret = dbenv->open(dbenv, home, DB_USE_ENVIRON, 0)) != 0 &&
            (ret == DB_VERSION_MISMATCH ||
            (ret = dbenv->open(dbenv, home, DB_CREATE |
            DB_INIT_LOG | DB_PRIVATE | DB_USE_ENVIRON, 0)) != 0)) {
                dbenv->err(dbenv, ret, "DB_ENV->open");
                goto shutdown;
        }

        /* Get the list of names. */
        if ((ret = dbenv->log_archive(dbenv, &list, flags)) != 0) {
                dbenv->err(dbenv, ret, "DB_ENV->log_archive");
                goto shutdown;
        }

        /* Print the list of names. */
        if (list != NULL) {
                for (file = list; *file != NULL; ++file)
                        printf("%s\n", *file);
                free(list);
        }

        if (0) {
shutdown:       exitval = 1;
        }
        if (dbenv != NULL && (ret = dbenv->close(dbenv, 0)) != 0) {
                exitval = 1;
                fprintf(stderr,
                    "%s: dbenv->close: %s\n", progname, db_strerror(ret));
        }

        if (passwd != NULL)
                free(passwd);

        /* Resend any caught signal. */
        __db_util_sigresend();

        return (exitval == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}

int
usage()
{
        (void)fprintf(stderr,
            "usage: %s [-adlsVv] [-h home] [-P password]\n", progname);
        return (EXIT_FAILURE);
}

int
version_check()
{
        int v_major, v_minor, v_patch;

        /* Make sure we're loaded with the right version of the DB library. */
        (void)db_version(&v_major, &v_minor, &v_patch);
        if (v_major != DB_VERSION_MAJOR || v_minor != DB_VERSION_MINOR) {
                fprintf(stderr,
        "%s: version %d.%d doesn't match library version %d.%d\n",
                    progname, DB_VERSION_MAJOR, DB_VERSION_MINOR,
                    v_major, v_minor);
                return (EXIT_FAILURE);
        }
        return (0);
}

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