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authorChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2007-10-29 22:38:52 +0100
commit9928d99936105b4653d2d1b8ca74dc3ffba5c71e (patch)
tree06aa4f5e9f0055027c6fb54dd47a8414cf2fba32 /src/file_mdf.c
First version in git
Diffstat (limited to 'src/file_mdf.c')
-rw-r--r--src/file_mdf.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/file_mdf.c b/src/file_mdf.c
new file mode 100644
index 0000000..c72d787
--- /dev/null
+++ b/src/file_mdf.c
@@ -0,0 +1,68 @@
+/*
+
+ File: file_mdf.c
+
+ Copyright (C) 2006-2007 Christophe GRENIER <grenier@cgsecurity.org>
+
+ This software 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; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include <stdio.h>
+#include "types.h"
+#include "filegen.h"
+
+
+static void register_header_check_mdf(file_stat_t *file_stat);
+static int header_check_mdf(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new);
+
+const file_hint_t file_hint_mdf= {
+ .extension="mdf",
+ .description="Microsoft SQL mdf",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .header_check=&header_check_mdf,
+ .register_header_check=&register_header_check_mdf
+};
+
+static const unsigned char mdf_header[4]= { 0x01, 0x0f, 0x00, 0x00 };
+
+static void register_header_check_mdf(file_stat_t *file_stat)
+{
+ register_header_check(0, mdf_header,sizeof(mdf_header), &header_check_mdf, file_stat);
+}
+
+static int header_check_mdf(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
+{
+ if(buffer[0x00]==0x01 && buffer[0x01]==0x0f && buffer[0x02]==0x00 && buffer[0x03]==0x00 &&
+ buffer[0x08]==0x00 && buffer[0x09]==0x00 && buffer[0x0a]==0x00 && buffer[0x0b]==0x00 &&
+ buffer[0x0c]==0x00 && buffer[0x0d]==0x00 && buffer[0x0e]==0x00 && buffer[0x0f]==0x00 &&
+ buffer[0x10]==0x00 && buffer[0x11]==0x00 && buffer[0x12]==0x00 && buffer[0x13]==0x00 &&
+ buffer[0x14]==0x00 && buffer[0x15]==0x00 && buffer[0x16]==0x01 && buffer[0x17]==0x00 &&
+ buffer[0x18]==0x63 && buffer[0x19]==0x00 && buffer[0x1A]==0x00 && buffer[0x1B]==0x00)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_mdf.extension;
+ return 1;
+ }
+ return 0;
+}