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authorJames Holodnak <jamesholodnak@gmail.com>2013-06-26 11:40:38 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2013-06-26 11:40:38 +0200
commitf3b81d5990b4fa913202abf984e1978363401e65 (patch)
tree45ccd5a252a6780f3cd321cb5d62bb8c306da9af
parent1f62af359163498e8275cd27cec01573656b310a (diff)
PhotoRec: recover .nes iNES/iNES 2.0 ROM image
-rw-r--r--src/Makefile.am1
-rw-r--r--src/file_list.c2
-rw-r--r--src/file_nes.c70
3 files changed, 73 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 7b3851f..84324f8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -184,6 +184,7 @@ file_C = filegen.c \
file_myo.c \
file_mysql.c \
file_nds.c \
+ file_nes.c \
file_njx.c \
file_nk2.c \
file_nsf.c \
diff --git a/src/file_list.c b/src/file_list.c
index e6b1a80..431f1ec 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -186,6 +186,7 @@ extern const file_hint_t file_hint_mxf;
extern const file_hint_t file_hint_myo;
extern const file_hint_t file_hint_mysql;
extern const file_hint_t file_hint_nds;
+extern const file_hint_t file_hint_nes;
extern const file_hint_t file_hint_njx;
extern const file_hint_t file_hint_nk2;
extern const file_hint_t file_hint_nsf;
@@ -454,6 +455,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_mysql },
{ .enable=0, .file_hint=&file_hint_mxf },
{ .enable=0, .file_hint=&file_hint_nds },
+ { .enable=0, .file_hint=&file_hint_nes },
{ .enable=0, .file_hint=&file_hint_njx },
{ .enable=0, .file_hint=&file_hint_nk2 },
{ .enable=0, .file_hint=&file_hint_nsf },
diff --git a/src/file_nes.c b/src/file_nes.c
new file mode 100644
index 0000000..27c6f36
--- /dev/null
+++ b/src/file_nes.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_nes(file_stat_t *file_stat);
+
+const file_hint_t file_hint_nes= {
+ .extension="nes",
+ .description="iNES/iNES 2.0 ROM image",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=0,
+ .register_header_check=&register_header_check_nes
+};
+
+struct nes_header
+{
+ char ident[4];
+ uint8_t prgsize;
+ uint8_t chrsize;
+} __attribute__ ((__packed__));
+
+static int header_check_nes(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 nes_header *bm=(const struct nes_header *)buffer;
+ const uint64_t size=16+bm->prgsize*0x4000+bm->chrsize*0x2000;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_nes.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_nes(file_stat_t *file_stat)
+{
+ static const unsigned char nes_header[4]= {'N','E','S',0x1A};
+ register_header_check(0, nes_header,sizeof(nes_header), &header_check_nes, file_stat);
+}