]> git.ipfire.org Git - thirdparty/xfsprogs-dev.git/blobdiff - db/init.c
mkfs: validate extent size hint parameters
[thirdparty/xfsprogs-dev.git] / db / init.c
index c03134448b97cc8cddda2b8065895e1738bef6b4..455220a866f9fbe495be2f2eea5c05d264e43a89 100644 (file)
--- a/db/init.c
+++ b/db/init.c
@@ -1,96 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
- * 
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 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.
- * 
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like.  Any license provided herein, whether implied or
- * otherwise, applies only to this software file.  Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- * 
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- * 
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA  94043, or:
- * 
- * http://www.sgi.com 
- * 
- * For further information regarding this notice, see: 
- * 
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
  */
 
-#include <libxfs.h>
-#include <getopt.h>
+#include "libxfs.h"
+#include "libxlog.h"
 #include <signal.h>
 #include "command.h"
-#include "data.h"
 #include "init.h"
 #include "input.h"
 #include "io.h"
-#include "mount.h"
+#include "init.h"
 #include "sig.h"
 #include "output.h"
 #include "malloc.h"
+#include "type.h"
 
-char   *fsdevice;
-char   **cmdline;
-int    ncmdline;
+static char            **cmdline;
+static int             ncmdline;
+char                   *fsdevice;
+int                    blkbb;
+int                    exitcode;
+int                    expert_mode;
+static int             force;
+static struct xfs_mount        xmount;
+struct xfs_mount       *mp;
+static struct xlog     xlog;
+libxfs_init_t          x;
+xfs_agnumber_t         cur_agno = NULLAGNUMBER;
 
 static void
 usage(void)
 {
-       dbprintf("Usage: %s [-c cmd]... [-p prog] [-l logdev] [-frxV] devname\n", progname);
+       fprintf(stderr, _(
+               "Usage: %s [-ifFrxV] [-p prog] [-l logdev] [-c cmd]... device\n"
+               ), progname);
        exit(1);
 }
 
-void
+static void
 init(
-       int     argc,
-       char    **argv)
+       int             argc,
+       char            **argv)
 {
-       int     c;
+       struct xfs_sb   *sbp;
+       struct xfs_buf  *bp;
+       unsigned int    agcount;
+       int             c;
+
+       setlocale(LC_ALL, "");
+       bindtextdomain(PACKAGE, LOCALEDIR);
+       textdomain(PACKAGE);
 
        progname = basename(argv[0]);
-       while ((c = getopt(argc, argv, "c:fip:rxVl:")) != EOF) {
+       while ((c = getopt(argc, argv, "c:fFip:rxVl:")) != EOF) {
                switch (c) {
                case 'c':
                        cmdline = xrealloc(cmdline, (ncmdline+1)*sizeof(char*));
                        cmdline[ncmdline++] = optarg;
                        break;
                case 'f':
-                       xfsargs.disfile = 1;
+                       x.disfile = 1;
+                       break;
+               case 'F':
+                       force = 1;
                        break;
                case 'i':
-                       xfsargs.isreadonly =
-                               (LIBXFS_ISREADONLY | LIBXFS_ISINACTIVE);
-                       flag_readonly = 1;
+                       x.isreadonly = (LIBXFS_ISREADONLY|LIBXFS_ISINACTIVE);
                        break;
                case 'p':
                        progname = optarg;
                        break;
                case 'r':
-                       xfsargs.isreadonly = LIBXFS_ISREADONLY;
-                       flag_readonly = 1;
+                       x.isreadonly = LIBXFS_ISREADONLY;
                        break;
                case 'l':
-                       xfsargs.logname = optarg;
+                       x.logname = optarg;
                        break;
                case 'x':
-                       flag_expert_mode = 1;
+                       expert_mode = 1;
                        break;
                case 'V':
-                       printf("%s version %s\n", progname, VERSION);
+                       printf(_("%s version %s\n"), progname, VERSION);
                        exit(0);
                case '?':
                        usage();
@@ -101,26 +93,138 @@ init(
                usage();
                /*NOTREACHED*/
        }
+
        fsdevice = argv[optind];
-       if (!xfsargs.disfile)
-               xfsargs.volname = fsdevice;
+       if (!x.disfile)
+               x.volname = fsdevice;
        else
-               xfsargs.dname = fsdevice;
-       xfsargs.notvolok = 1;
-       if (!libxfs_init(&xfsargs)) {
-               fputs("\nfatal error -- couldn't initialize XFS library\n",
+               x.dname = fsdevice;
+
+       x.bcache_flags = CACHE_MISCOMPARE_PURGE;
+       if (!libxfs_init(&x)) {
+               fputs(_("\nfatal error -- couldn't initialize XFS library\n"),
                        stderr);
                exit(1);
        }
-       mp = dbmount();
-       if (mp == NULL) {
-               dbprintf("%s: %s is not a valid filesystem\n",
+
+       /*
+        * Read the superblock, but don't validate it - we are a diagnostic
+        * tool and so need to be able to mount busted filesystems.
+        */
+       memset(&xmount, 0, sizeof(struct xfs_mount));
+       libxfs_buftarg_init(&xmount, x.ddev, x.logdev, x.rtdev);
+       bp = libxfs_readbuf(xmount.m_ddev_targp, XFS_SB_DADDR,
+                           1 << (XFS_MAX_SECTORSIZE_LOG - BBSHIFT), 0, NULL);
+
+       if (!bp || bp->b_error) {
+               fprintf(stderr, _("%s: %s is invalid (cannot read first 512 "
+                       "bytes)\n"), progname, fsdevice);
+               exit(1);
+       }
+
+       /* copy SB from buffer to in-core, converting architecture as we go */
+       libxfs_sb_from_disk(&xmount.m_sb, XFS_BUF_TO_SBP(bp));
+       libxfs_putbuf(bp);
+       libxfs_purgebuf(bp);
+
+       sbp = &xmount.m_sb;
+       if (sbp->sb_magicnum != XFS_SB_MAGIC) {
+               fprintf(stderr, _("%s: %s is not a valid XFS filesystem (unexpected SB magic number 0x%08x)\n"),
+                       progname, fsdevice, sbp->sb_magicnum);
+               if (!force) {
+                       fprintf(stderr, _("Use -F to force a read attempt.\n"));
+                       exit(EXIT_FAILURE);
+               }
+       }
+
+       agcount = sbp->sb_agcount;
+       mp = libxfs_mount(&xmount, sbp, x.ddev, x.logdev, x.rtdev,
+                         LIBXFS_MOUNT_DEBUGGER);
+       if (!mp) {
+               fprintf(stderr,
+                       _("%s: device %s unusable (not an XFS filesystem?)\n"),
                        progname, fsdevice);
                exit(1);
-               /*NOTREACHED*/
        }
+       mp->m_log = &xlog;
        blkbb = 1 << mp->m_blkbb_log;
+
+       /* Did we limit a broken agcount in libxfs_mount? */
+       if (sbp->sb_agcount != agcount)
+               exitcode = 1;
+
+       /*
+        * xfs_check needs corrected incore superblock values
+        */
+       if (sbp->sb_rootino != NULLFSINO &&
+           xfs_sb_version_haslazysbcount(&mp->m_sb)) {
+               int error = -libxfs_initialize_perag_data(mp, sbp->sb_agcount);
+               if (error) {
+                       fprintf(stderr,
+       _("%s: cannot init perag data (%d). Continuing anyway.\n"),
+                               progname, error);
+               }
+       }
+
+       if (xfs_sb_version_hassparseinodes(&mp->m_sb))
+               type_set_tab_spcrc();
+       else if (xfs_sb_version_hascrc(&mp->m_sb))
+               type_set_tab_crc();
+
        push_cur();
        init_commands();
        init_sig();
 }
+
+int
+main(
+       int     argc,
+       char    **argv)
+{
+       int     c, i, done = 0;
+       char    *input;
+       char    **v;
+       int     start_iocur_sp;
+
+       init(argc, argv);
+       start_iocur_sp = iocur_sp;
+
+       for (i = 0; !done && i < ncmdline; i++) {
+               v = breakline(cmdline[i], &c);
+               if (c)
+                       done = command(c, v);
+               xfree(v);
+       }
+       if (cmdline) {
+               xfree(cmdline);
+               goto close_devices;
+       }
+
+       pushfile(stdin);
+       while (!done) {
+               if ((input = fetchline()) == NULL)
+                       break;
+               v = breakline(input, &c);
+               if (c)
+                       done = command(c, v);
+               doneline(input, v);
+       }
+
+close_devices:
+       /*
+        * Make sure that we pop the all the buffer contexts we hold so that
+        * they are released before we purge the caches during unmount.
+        */
+       while (iocur_sp > start_iocur_sp)
+               pop_cur();
+       libxfs_umount(mp);
+       if (x.ddev)
+               libxfs_device_close(x.ddev);
+       if (x.logdev && x.logdev != x.ddev)
+               libxfs_device_close(x.logdev);
+       if (x.rtdev)
+               libxfs_device_close(x.rtdev);
+       libxfs_destroy();
+
+       return exitcode;
+}