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authorJames Holodnak <jamesholodnak@gmail.com>2013-06-26 11:37:03 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2013-06-26 11:37:03 +0200
commit1f62af359163498e8275cd27cec01573656b310a (patch)
tree3c73fe25ccab7885432cc733a76b887ba5a23de4 /src/file_fds.c
parent40dc89aff965f18af0ad471b1fadfb514b8105b0 (diff)
PhotoRec: recover .fds fwNES Disk Image (with header)
Diffstat (limited to 'src/file_fds.c')
-rw-r--r--src/file_fds.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/file_fds.c b/src/file_fds.c
new file mode 100644
index 0000000..289eb9c
--- /dev/null
+++ b/src/file_fds.c
@@ -0,0 +1,70 @@
+/*
+
+ File: file_nes.c
+
+ Copyright (C) 2013 James Holodnak <jamesholodnak@gmail.com>
+
+ 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 "common.h"
+
+static void register_header_check_fds(file_stat_t *file_stat);
+static int header_check_fds(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_fds= {
+ .extension="fds",
+ .description="fwNES Disk Image (with header)",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=0,
+ .register_header_check=&register_header_check_fds
+};
+
+struct fds_header
+{
+ char ident[4];
+ uint8_t numsides;
+} __attribute__ ((__packed__));
+
+static int header_check_fds(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 struct fds_header *bm=(const struct fds_header *)buffer;
+ const uint64_t size=16+bm->numsides*65500;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_fds.extension;
+ file_recovery_new->min_filesize=16;
+ file_recovery_new->calculated_file_size=(uint64_t)size;
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+}
+
+static void register_header_check_fds(file_stat_t *file_stat)
+{
+ static const unsigned char fds_header[4]= {'F','D','S',0x1A};
+ register_header_check(0, fds_header,sizeof(fds_header), &header_check_fds, file_stat);
+}