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/*
* Copyright (c) 2000-2001 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <errno.h>
#include <dirent.h>
#include <string.h>
#include <limits.h>
#include <uuid/uuid.h>
#include "config.h"
#include "types.h"
#include "fs.h"
#include "openutil.h"
#include "mlog.h"
#include "global.h"
#include "inventory.h"
static void var_skip_recurse(char *, void (*)(xfs_ino_t));
static int var_create_component(char *);
void
var_create(void)
{
char path[PATH_MAX];
char *p;
p = strcpy(path, XFSDUMP_DIRPATH);
mlog(MLOG_DEBUG, "creating directory %s\n", path);
do {
p++;
if (*p == '/') {
*p = '\0';
if (!var_create_component(path))
return;
*p = '/';
}
} while (*p);
(void) var_create_component(path);
}
static int
var_create_component(char *path)
{
int rval = mkdir(path, 0755);
if (rval && errno != EEXIST) {
mlog(MLOG_NORMAL, _("unable to create %s: %s\n"),
path, strerror(errno));
return 0;
}
if (rval == 0) {
rval = chown(path, 0, 0);
if (rval) {
mlog(MLOG_NORMAL, _("unable to chown %s: %s\n"),
path, strerror(errno));
}
}
return 1;
}
void
var_skip(uuid_t *dumped_fsidp, void (*cb)(xfs_ino_t ino))
{
uuid_t fsid;
int rval;
/* see if the fs uuid's match
*/
rval = fs_getid(XFSDUMP_DIRPATH, &fsid);
if (rval) {
#ifdef HIDDEN
/* NOTE: this will happen for non-XFS file systems */
/* and is expected, so no msg */
mlog(MLOG_NORMAL, _(
"unable to determine uuid of fs containing %s: "
"%s\n"),
XFSDUMP_DIRPATH,
strerror(errno));
#endif
return;
}
if (uuid_compare(*dumped_fsidp, fsid) != 0) {
return;
}
/* traverse the xfsdump directory, getting inode numbers of it
* and all of its children, and reporting those to the callback.
*/
var_skip_recurse(XFSDUMP_DIRPATH, cb);
}
static void
var_skip_recurse(char *base, void (*cb)(xfs_ino_t ino))
{
struct stat64 statbuf;
DIR *dirp;
struct dirent *direntp;
int rval;
rval = lstat64(base, &statbuf);
if (rval) {
mlog(MLOG_NORMAL, _(
"unable to get status of %s: %s\n"),
base,
strerror(errno));
return;
}
mlog(MLOG_DEBUG,
"excluding %s from dump\n",
base);
(*cb)(statbuf.st_ino);
if ((statbuf.st_mode & S_IFMT) != S_IFDIR) {
return;
}
dirp = opendir(base);
if (!dirp) {
mlog(MLOG_NORMAL, _(
"unable to open directory %s\n"),
base);
return;
}
while ((direntp = readdir(dirp)) != NULL) {
char *path;
/* skip "." and ".."
*/
if (*(direntp->d_name + 0) == '.'
&&
(*(direntp->d_name + 1) == 0
||
(*(direntp->d_name + 1) == '.'
&&
*(direntp->d_name + 2) == 0))) {
continue;
}
path = open_pathalloc(base, direntp->d_name, 0);
var_skip_recurse(path, cb);
free((void *)path);
}
closedir(dirp);
}
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