From 9c77ce1c8121eb035384e9811f3f828fe9ea1a31 Mon Sep 17 00:00:00 2001
From: Christophe Grenier <grenier@cgsecurity.org>
Date: Thu, 2 Jun 2011 20:55:52 +0200
Subject: [PATCH] PhotoRec: recover Games Factory .gam files

---
 src/Makefile.am |  1 +
 src/file_gam.c  | 63 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/file_list.c |  2 ++
 3 files changed, 66 insertions(+)
 create mode 100644 src/file_gam.c

diff --git a/src/Makefile.am b/src/Makefile.am
index 2a78ca7d..857a3c44 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -112,6 +112,7 @@ file_C			= filegen.c \
 			  file_freeway.c \
 			  file_frm.c \
 			  file_fs.c \
+			  file_gam.c \
 			  file_gct.c \
 			  file_gho.c \
 			  file_gif.c \
diff --git a/src/file_gam.c b/src/file_gam.c
new file mode 100644
index 00000000..0e90c0be
--- /dev/null
+++ b/src/file_gam.c
@@ -0,0 +1,63 @@
+/*
+
+    File: file_gam.c
+
+    Copyright (C) 2011 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_gam(file_stat_t *file_stat);
+
+const file_hint_t file_hint_gam= {
+  .extension="gam",
+  .description="Games Factory",
+  .min_header_distance=0,
+  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+  .recover=1,
+  .enable_by_default=1,
+  .register_header_check=&register_header_check_gam
+};
+
+static const unsigned char gam_header[6]=  {
+  'G' , 'A' , 'P' , 'P' , 0x07, 0x02
+};
+
+static int header_check_gam(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[0], gam_header, sizeof(gam_header))==0)
+  {
+    reset_file_recovery(file_recovery_new);
+    file_recovery_new->extension=file_hint_gam.extension;
+    return 1;
+  }
+  return 0;
+}
+
+static void register_header_check_gam(file_stat_t *file_stat)
+{
+  register_header_check(0, gam_header, sizeof(gam_header), &header_check_gam, file_stat);
+}
diff --git a/src/file_list.c b/src/file_list.c
index b38b3853..8e1dbe5c 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -115,6 +115,7 @@ extern const file_hint_t file_hint_fp7;
 extern const file_hint_t file_hint_freeway;
 extern const file_hint_t file_hint_frm;
 extern const file_hint_t file_hint_fs;
+extern const file_hint_t file_hint_gam;
 extern const file_hint_t file_hint_gct;
 extern const file_hint_t file_hint_gho;
 extern const file_hint_t file_hint_gif;
@@ -342,6 +343,7 @@ file_enable_t list_file_enable[]=
   { .enable=0, .file_hint=&file_hint_freeway  },
   { .enable=0, .file_hint=&file_hint_frm  },
   { .enable=0, .file_hint=&file_hint_fs   },
+  { .enable=0, .file_hint=&file_hint_gam  },
   { .enable=0, .file_hint=&file_hint_gct  },
   { .enable=0, .file_hint=&file_hint_gho  },
   { .enable=0, .file_hint=&file_hint_gif  },