lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20140501231354.31890.36717.stgit@birch.djwong.org> Date: Thu, 01 May 2014 16:13:54 -0700 From: "Darrick J. Wong" <darrick.wong@...cle.com> To: tytso@....edu, darrick.wong@...cle.com Cc: linux-ext4@...r.kernel.org Subject: [PATCH 14/37] dumpe2fs: add switch to disable checksum verification Add a -n switch to turn off checksum verification. Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com> --- misc/dumpe2fs.8.in | 3 +++ misc/dumpe2fs.c | 10 +++++++--- 2 files changed, 10 insertions(+), 3 deletions(-) diff --git a/misc/dumpe2fs.8.in b/misc/dumpe2fs.8.in index befaf94..51614db 100644 --- a/misc/dumpe2fs.8.in +++ b/misc/dumpe2fs.8.in @@ -61,6 +61,9 @@ using .I device as the pathname to the image file. .TP +.B \-n +Don't verify checksums when dumping the filesystem. +.TP .B \-x print the detailed group information block numbers in hexadecimal format .TP diff --git a/misc/dumpe2fs.c b/misc/dumpe2fs.c index ae54f8a..3a3684b 100644 --- a/misc/dumpe2fs.c +++ b/misc/dumpe2fs.c @@ -52,7 +52,7 @@ static int blocks64 = 0; static void usage(void) { - fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=<num>] " + fprintf(stderr, _("Usage: %s [-bfhinxV] [-o superblock=<num>] " "[-o blocksize=<num>] device\n"), program_name); exit (1); } @@ -582,7 +582,9 @@ int main (int argc, char ** argv) if (argc && *argv) program_name = *argv; - while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) { + flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | + EXT2_FLAG_64BITS; + while ((c = getopt(argc, argv, "bfhixVo:n")) != EOF) { switch (c) { case 'b': print_badblocks++; @@ -608,6 +610,9 @@ int main (int argc, char ** argv) case 'x': hex_format++; break; + case 'n': + flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS; + break; default: usage(); } @@ -615,7 +620,6 @@ int main (int argc, char ** argv) if (optind > argc - 1) usage(); device_name = argv[optind++]; - flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; if (force) flags |= EXT2_FLAG_FORCE; if (image_dump) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists