ndmpd/ndmp/ndmpd_dtime.c

2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens * Copyright (c) 2015 by Delphix. All rights reserved.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * BSD 3 Clause License
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Copyright (c) 2007, The Storage Networking Industry Association.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Redistribution and use in source and binary forms, with or without
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * modification, are permitted provided that the following conditions
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * are met:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Redistributions of source code must retain the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    notice, this list of conditions and the following disclaimer.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Redistributions in binary form must reproduce the above copyright
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    notice, this list of conditions and the following disclaimer in
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    the documentation and/or other materials provided with the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    distribution.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *  - Neither the name of The Storage Networking Industry Association (SNIA)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    nor the names of its contributors may be used to endorse or promote
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    products derived from this software without specific prior written
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *    permission.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * POSSIBILITY OF SUCH DAMAGE.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/param.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <sys/types.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <ctype.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <errno.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <fcntl.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <limits.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <stdarg.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <stdio.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <stdlib.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <string.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <time.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <unistd.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include <libnvpair.h>
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include "ndmpd_log.h"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#include "ndmpd.h"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * The dumpdates file on file system.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define NDMP_DUMPDATES  "dumpdates"
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Offsets into the ctime string to various parts.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_MONTH     4
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_DAY       8
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_HOUR      11
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_MINUTE    14
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_SECOND    17
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar#define E_YEAR      20
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * The contents of the file dumpdates is maintained on a linked list.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdartypedef struct dumpdates {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char dd_name[TLM_MAX_PATH_NAME];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char dd_level;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    time_t dd_ddate;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    struct dumpdates *dd_next;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar} dumpdates_t;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Month names used in ctime string.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic char months[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Binary lock for accessing the dumpdates file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarmutex_t ndmp_dd_lock = DEFAULTMUTEX;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint ndmp_isdst = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarchar *zfs_dumpdate_props[] = {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level0",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level1",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level2",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level3",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level4",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level5",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level6",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level7",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level8",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    "dumpdates:level9",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar};
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * lookup
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Look up the month (3-character) name and return its number.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns -1 if the months name is not valid.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarlookup(char *str)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    register char *cp, *cp2;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!str)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    for (cp = months, cp2 = str; *cp != '\0'; cp += 3)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (strncmp(cp, cp2, 3) == 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return ((cp-months) / 3);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * unctime
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Convert a ctime(3) format string into a system format date.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Return the date thus calculated.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Return -1 if the string is not in ctime format.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarunctime(char *str, time_t *t)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    struct tm then;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char dbuf[26];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!str || !t)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) memset(&then, 0, sizeof (then));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) strlcpy(dbuf, str, sizeof (dbuf) - 1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dbuf[sizeof (dbuf) - 1] = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dbuf[E_MONTH+3] = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((then.tm_mon = lookup(&dbuf[E_MONTH])) < 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_mday = atoi(&dbuf[E_DAY]);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_hour = atoi(&dbuf[E_HOUR]);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_min = atoi(&dbuf[E_MINUTE]);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_sec = atoi(&dbuf[E_SECOND]);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_year = atoi(&dbuf[E_YEAR]) - 1900;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    then.tm_isdst = ndmp_isdst;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        "yday %d wday %d %d/%d/%d %02d:%02d:%02d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        then.tm_yday, then.tm_wday, then.tm_year, then.tm_mon,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        then.tm_mday, then.tm_hour, then.tm_min, then.tm_sec);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *t = mktime(&then);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * ddates_pathname
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Create the dumpdates file full path name.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic char *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarddates_pathname(char *buf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (ndmpd_make_bk_dir_path(buf, NDMP_DUMPDATES));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner * getaline
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Get a line from the file and handle the continued lines.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic char *
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulknergetaline(FILE *fp, char *line, int llen)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp || !line)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (NULL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *(save = line) = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    do {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (fgets(line, llen, fp) != line)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (NULL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /* comment line? */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (*line == '#')
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        len = strlen(line);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /* short line */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (len <= 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        line += len-1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (*line != '\n')
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (NULL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /* trim the trailing new line */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *line = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (--len <= 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (*(line-1) != '\\')
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *(line-1) = '\n';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        llen -= len;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } while (llen > 0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (save);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * get_ddname
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Get the path name from the buffer passed.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns the beginning of the path name.  The buffer pointer is moved
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * forward to point to where the next field (the dump level) begins.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic char *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarget_ddname(char **bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *h, *t, *save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!bpp || !*bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (NULL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp += strspn(*bpp, "\t ");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    save = h = t = *bpp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    while (*t) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (*t == '\t' || *t == ' ') {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            /* consume the '\t' or space character */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            t++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (*t == '\\')
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            switch (*(t+1)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            case '\t':
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            case ' ':
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                t++; /* skip the '\\' */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            default:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                break;  /* nothing */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *h++ = *t++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp = t;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *h++ = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (save);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * get_ddlevel
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Get the dump level from the buffer passed.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns the dump level found.  The buffer pointer is moved
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * forward to point to where the next field (the dump date) begins.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarget_ddlevel(char **bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *t, *save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!bpp || !*bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp += strspn(*bpp, "\t ");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    save = t = *bpp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * For 'F', 'A', 'I', and 'D' return the character itself.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(*t)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Lbr bk type %c", *t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         * Skip the backup type character and null terminate the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         * string.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *++t = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *bpp = ++t;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (toupper(*save));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    while (isdigit(*t))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        t++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *t++ = '\0';
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp = t;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (atoi(save));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * get_ddate
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Get the dump date from the buffer passed.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns the dump date string. The buffer pointer is moved
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * forward.  It points to the end of the buffer now.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic char *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarget_ddate(char **bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!bpp || !*bpp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (NULL);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp += strspn(*bpp, "\t ");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    save = *bpp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    *bpp += strlen(*bpp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (save);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * put_ddname
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Print the dump path name to the dumpdates file.  It escapes the space,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * '\t' and new line characters in the path name.  The same characters are
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * considered in the get_ddname().
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarput_ddname(FILE *fp, char *nm)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!nm)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    while (*nm)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        switch (*nm) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        case ' ':
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        case '\n':
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        case '\t':
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) fputc('\\', fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            /* FALLTHROUGH */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        default:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) fputc(*nm++, fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * put_ddlevel
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Print the dump level into the dumpdates file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarput_ddlevel(FILE *fp, int level)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fprintf(fp, IS_LBR_BKTYPE(level) ? "%c" : "%d", level);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * put_ddate
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Print the dump date into the dumpdates file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void put_ddate(FILE *fp,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    time_t t)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char tbuf[64];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%u]", t);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) ctime_r(&t, tbuf, sizeof (tbuf));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* LINTED variable format specifier */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fprintf(fp, tbuf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * dd_free
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Free the linked list of dumpdates entries.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdardd_free(dumpdates_t *ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dumpdates_t *save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    ddheadp = ddheadp->dd_next;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    while (ddheadp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        save = ddheadp->dd_next;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        free(ddheadp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddheadp = save;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * makedumpdate
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Make the dumpdate node based on the string buffer passed to it.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarmakedumpdate(dumpdates_t *ddp, char *tbuf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char *nmp, *un_buf;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * While parsing each line, if a line contains one of the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * LBR-type levels, then checking the return value of
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * get_ddlevel() against negative values, it OK.  Because
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * neither of the 'F', 'A', 'I' nor 'D' have negative
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * ASCII value.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddp || !tbuf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    else if (!(nmp = get_ddname(&tbuf))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "get_ddname failed 0x%p", nmp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else if ((ddp->dd_level = get_ddlevel(&tbuf)) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "dd_level < 0 %d", ddp->dd_level);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else if (!(un_buf = get_ddate(&tbuf))) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "get_ddate failed 0x%p", un_buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else if (unctime(un_buf, &ddp->dd_ddate) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = -1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "unctime failed \"%s\"", un_buf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) strlcpy(ddp->dd_name, nmp, TLM_MAX_PATH_NAME);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * getrecord
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Read a record of dumpdates file and parse it.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * The records that span multiple lines are covered.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdargetrecord(FILE *fp, dumpdates_t *ddatep, int *recno)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char tbuf[BUFSIZ];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp || !ddatep || !recno)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    do {
23a1ccea6aac035f084a7a4cdc968687d1b02dafRoger A. Faulkner        if (getaline(fp, tbuf, sizeof (tbuf)) != tbuf)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } while (!*tbuf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (makedumpdate(ddatep, tbuf) < 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            "Unknown intermediate format in %s, line %d", tbuf, *recno);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (*recno)++;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(ddatep->dd_level & 0xff)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Lbr: [%s][%c][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddatep->dd_name, ddatep->dd_level, ddatep->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "[%s][%d][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddatep->dd_name, ddatep->dd_level, ddatep->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * readdumptimes
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Read the dumpdates file and make a linked list of its entries.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarreaddumptimes(FILE *fp, dumpdates_t *ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int recno;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    register struct dumpdates *ddwalk;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp || !ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    recno = 1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) memset((void *)ddheadp, 0, sizeof (*ddheadp));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    for (; ; ) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddwalk = ndmp_malloc(sizeof (*ddwalk));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (!ddwalk)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (getrecord(fp, ddwalk, &recno) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            free(ddwalk);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddwalk->dd_next = ddheadp->dd_next;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddheadp->dd_next = ddwalk;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddheadp = ddwalk;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * dumprecout
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Print a record into the dumpdates file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic void
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdardumprecout(FILE *fp, dumpdates_t *ddp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(ddp->dd_level)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Lbr: [%s][%c][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddp->dd_name, ddp->dd_level, ddp->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "[%s][%d][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddp->dd_name, ddp->dd_level, ddp->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    put_ddname(fp, ddp->dd_name);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fputc('\t', fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    put_ddlevel(fp, ddp->dd_level);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fputc('\t', fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    put_ddate(fp, ddp->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * initdumptimes
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Open the dumpdates file and read it into memory.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarinitdumptimes(dumpdates_t *ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char fname[PATH_MAX];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    FILE *fp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddheadp)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddates_pathname(fname))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    fp = fopen(fname, "r");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (errno != ENOENT) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR, "Cannot read %s: %m.", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         * Dumpdates does not exist, make an empty one.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            "No file `%s', making an empty one", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        fp = fopen(fname, "w");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (!fp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR, "Cannot create %s: %m.", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) fclose(fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        fp = fopen(fname, "r");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (!fp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                "Cannot read %s after creating it. %m.", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    rv = readdumptimes(fp, ddheadp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fclose(fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * putdumptime
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Put the record specified by path, level and backup date to the file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Update the record if such entry already exists; append if not.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarputdumptime(char *path, int level, time_t ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int found;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char fname[PATH_MAX], bakfname[PATH_MAX];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    FILE *rfp, *wfp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dumpdates_t ddhead, tmpdd;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    register dumpdates_t *ddp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!path)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(level)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Lbr: [%s][%c][%u]", path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "[%s][%d][%u]", path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ddates_pathname(fname)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_ERR, "Cannot get dumpdate file path name.");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    rfp = fopen(fname, "r");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!rfp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Creating %s.", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) memset((void *)&ddhead, 0, sizeof (ddhead));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (initdumptimes(&ddhead) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR, "Could not initialize %s.",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                NDMP_DUMPDATES);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = readdumptimes(rfp, &ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (rv < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR, "Error reading dumpdates file.");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) fclose(rfp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) fclose(rfp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) snprintf(bakfname, PATH_MAX, "%s.bak", fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    wfp = fopen(bakfname, "w");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!wfp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_ERR, "Cannot open %s: %m.", bakfname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%s][%s]", fname, bakfname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* try to locate the entry in the file */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    found = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    for (ddp = ddhead.dd_next; ddp; ddp = ddp->dd_next) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ddp->dd_level != level)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (strcmp(path, ddp->dd_name))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            continue;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "Found: [%s][%d][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddp->dd_name, ddp->dd_level, ddp->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /* update the record for the entry */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        found = 1;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddp->dd_ddate = ddate;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            "Updated to: [%s][%d][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            ddp->dd_name, ddp->dd_level, ddp->dd_ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* dump all the read records */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    for (ddp = ddhead.dd_next; ddp; ddp = ddp->dd_next)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        dumprecout(wfp, ddp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* append a new record */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!found) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) strlcpy(tmpdd.dd_name, path, TLM_MAX_PATH_NAME);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        tmpdd.dd_level = level;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        tmpdd.dd_ddate = ddate;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        dumprecout(wfp, &tmpdd);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fclose(wfp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) rename(bakfname, fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * append_dumptime
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Append the record specified by path, level and backup date to the file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic int
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarappend_dumptime(char *fname, char *path, int level, time_t ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char fpath[PATH_MAX], bakfpath[PATH_MAX];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    FILE *fp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dumpdates_t tmpdd;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fname || !*fname || !path || !*path)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(level & 0xff)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            "Lbr: [%s][%s][%c][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            fname, path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG, "[%s][%s][%d][%u]",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            fname, path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!ndmpd_make_bk_dir_path(fpath, fname)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_ERR, "Cannot get dumpdate file path name %s.",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            fname);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) snprintf(bakfpath, PATH_MAX, "%s.bak", fpath);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * If the file is there and can be opened then make a
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * backup copy it.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    fp = fopen(fpath, "r");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (fp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) fclose(fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (filecopy(bakfpath, fpath) != 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            NDMP_LOG(LOG_ERR, "Cannot copy %s to %s: %m.",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                fpath, bakfpath);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* open the new copy to append the record to it */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    fp = fopen(bakfpath, "a");
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!fp) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_ERR, "Cannot open %s: %m.", bakfpath);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%s][%s]", fpath, bakfpath);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* append a new record */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) strlcpy(tmpdd.dd_name, path, TLM_MAX_PATH_NAME);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    tmpdd.dd_level = level;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    tmpdd.dd_ddate = ddate;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dumprecout(fp, &tmpdd);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) fclose(fp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) rename(bakfpath, fpath);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * find_date
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Find the specified date
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarstatic dumpdates_t *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarfind_date(dumpdates_t *ddp, char *path, int level, time_t t)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    for (; ddp; ddp = ddp->dd_next)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (ddp->dd_level == level && ddp->dd_ddate > t &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            strcmp(path, ddp->dd_name) == 0)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (ddp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Get the dumpdate of the last level backup done on the path.
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar * The last level normally is (level - 1) in case of NetBackup
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar * but some DMAs allow that previous level could be anything
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar * between 0 and the current level.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmpd_get_dumptime(char *path, int *level, time_t *ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int i;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dumpdates_t ddhead, *ddp, *save;
9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens    char vol[ZFS_MAX_DATASET_NAME_LEN];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    nvlist_t *userprops;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    zfs_handle_t *zhp;
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar    nvlist_t *propval = NULL;
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar    char *strval = NULL;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (!path || !level || !ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%s] level %d",
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        path, *level);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (*level == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *ddate = (time_t)0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_lock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* Check if this is a ZFS dataset */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((zlibh != NULL) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (get_zfsvolname(vol, sizeof (vol), path) == 0) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ((zhp = zfs_open(zlibh, vol, ZFS_TYPE_DATASET)) != NULL)) {
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar        if ((userprops = zfs_get_user_props(zhp)) == NULL) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *level = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *ddate = (time_t)0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar        for (i = *level - 1; i >= 0; i--) {
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar            if (nvlist_lookup_nvlist(userprops,
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar                zfs_dumpdate_props[i], &propval) == 0) {
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar                *level = i;
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar                break;
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar            }
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar        }
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar        if (propval == NULL ||
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar            nvlist_lookup_string(propval, ZPROP_VALUE,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            &strval) != 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *level = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *ddate = (time_t)0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
f3012b5938cc7fcdee754ac9bb2817f86ebd9e92Reza Sabdar        if (unctime(strval, ddate) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) memset((void *)&ddhead, 0, sizeof (ddhead));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (initdumptimes(&ddhead) < 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (-1);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * Empty dumpdates file means level 0 for all paths.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((ddp = ddhead.dd_next) == 0) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (!IS_LBR_BKTYPE(*level & 0xff))
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *level = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *ddate = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * If it's not level backup, then find the exact record
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     * type.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar     */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if (IS_LBR_BKTYPE(*level & 0xff)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        save = find_date(ddp, path, *level, *ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        NDMP_LOG(LOG_DEBUG,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            "LBR_BKTYPE save 0x%p", save);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        *ddate = save ? save->dd_ddate : (time_t)0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    } else {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        /*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         * Go find the entry with the same name for a maximum of a
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         * lower increment and older date.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar         */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        save = NULL;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        for (i = *level - 1; i >= 0; i--) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            save = find_date(ddp, path, i, *ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            if (save) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                *level = save->dd_level;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                *ddate = save->dd_ddate;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar                break;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        if (!save) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *level = 0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar            *ddate = (time_t)0;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    dd_free(&ddhead);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (0);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Put the date and the level of the back up for the
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * specified path in the dumpdates file.  If there is a line
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * for the same path and the same level, the date is updated.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Otherwise, a line is appended to the file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Returns:
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   0 on success
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar *   < 0 on error
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmpd_put_dumptime(char *path, int level, time_t ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens    char vol[ZFS_MAX_DATASET_NAME_LEN];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    zfs_handle_t *zhp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char tbuf[64];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%s][%d][%u]", path, level,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* Check if this is a ZFS dataset */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_lock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((zlibh != NULL) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (get_zfsvolname(vol, sizeof (vol), path) == 0) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ((zhp = zfs_open(zlibh, vol, ZFS_TYPE_DATASET)) != NULL)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) ctime_r(&ddate, tbuf, sizeof (tbuf));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = zfs_prop_set(zhp, zfs_dumpdate_props[level], tbuf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_lock(&ndmp_dd_lock);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    rv = putdumptime(path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_unlock(&ndmp_dd_lock);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar/*
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar * Append a backup date record to the specified file.
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarint
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdarndmpd_append_dumptime(char *fname, char *path, int level, time_t ddate)
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar{
9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens    char vol[ZFS_MAX_DATASET_NAME_LEN];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    zfs_handle_t *zhp;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    char tbuf[64];
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    int rv;
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    NDMP_LOG(LOG_DEBUG, "[%s][%s][%d][%u]", fname,
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    /* Check if this is a ZFS dataset */
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_lock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    if ((zlibh != NULL) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (get_zfsvolname(vol, sizeof (vol), path) == 0) &&
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        ((zhp = zfs_open(zlibh, vol, ZFS_TYPE_DATASET)) != NULL)) {
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) ctime_r(&ddate, tbuf, sizeof (tbuf));
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        rv = zfs_prop_set(zhp, zfs_dumpdate_props[level], tbuf);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        zfs_close(zhp);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar        return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    }
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_unlock(&zlib_mtx);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_lock(&ndmp_dd_lock);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    rv = append_dumptime(fname, path, level, ddate);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    (void) mutex_unlock(&ndmp_dd_lock);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar    return (rv);
2654012f83cec5dc15b61dfe3e4a4915f186e7a6Reza Sabdar}