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-rw-r--r--src/file_ahn.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/file_ahn.c b/src/file_ahn.c
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--- /dev/null
+++ b/src/file_ahn.c
@@ -0,0 +1,65 @@
+/*
+
+ File: file_ahn.c
+
+ Copyright (C) 2008 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"
+#include "memmem.h"
+
+static void register_header_check_ahn(file_stat_t *file_stat);
+static int header_check_ahn(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_ahn= {
+ .extension="ahn",
+ .description="Ahnenblatt",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_ahn
+};
+
+static const unsigned char ahn_header[4] = {'d','b','f',0x00};
+static const unsigned char ahn_magic[10] = {'A','H','N','E','N','B','L','A','T','T'};
+
+static void register_header_check_ahn(file_stat_t *file_stat)
+{
+ register_header_check(8, ahn_magic, sizeof(ahn_magic), &header_check_ahn, file_stat);
+}
+
+static int header_check_ahn(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(memcmp(buffer, ahn_header, sizeof(ahn_header))==0 &&
+ memcmp(&buffer[8], ahn_magic, sizeof(ahn_magic))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_ahn.extension;
+ return 1;
+ }
+ return 0;
+}