From 79a9c21acd41e05d82c7a6d0e935b35dbc9561f4 Mon Sep 17 00:00:00 2001
From: Christophe Grenier <grenier@cgsecurity.org>
Date: Sun, 5 Apr 2015 12:08:23 +0200
Subject: [PATCH] PhotoRec:recover Ciel.sgtca files

---
 src/Makefile.am  |  1 +
 src/file_list.c  |  2 ++
 src/file_sgcta.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 src/file_sgcta.c

diff --git a/src/Makefile.am b/src/Makefile.am
index 9ce3005a..43c54939 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -247,6 +247,7 @@ file_C			= filegen.c \
 			  file_rx2.c \
 			  file_save.c \
 			  file_ses.c \
+			  file_sgcta.c \
 			  file_shn.c \
 			  file_sib.c \
 			  file_sig.c \
diff --git a/src/file_list.c b/src/file_list.c
index 439abe95..33282e58 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -249,6 +249,7 @@ extern const file_hint_t file_hint_rw2;
 extern const file_hint_t file_hint_rx2;
 extern const file_hint_t file_hint_save;
 extern const file_hint_t file_hint_ses;
+extern const file_hint_t file_hint_sgcta;
 extern const file_hint_t file_hint_shn;
 extern const file_hint_t file_hint_sib;
 extern const file_hint_t file_hint_sig;
@@ -530,6 +531,7 @@ file_enable_t list_file_enable[]=
   { .enable=0, .file_hint=&file_hint_rx2  },
   { .enable=0, .file_hint=&file_hint_save  },
   { .enable=0, .file_hint=&file_hint_ses  },
+  { .enable=0, .file_hint=&file_hint_sgcta  },
   { .enable=0, .file_hint=&file_hint_shn  },
   { .enable=0, .file_hint=&file_hint_sib  },
   { .enable=0, .file_hint=&file_hint_sit  },
diff --git a/src/file_sgcta.c b/src/file_sgcta.c
new file mode 100644
index 00000000..1cf2d5c6
--- /dev/null
+++ b/src/file_sgcta.c
@@ -0,0 +1,59 @@
+/*
+
+    File: file_sgcta.c
+
+    Copyright (C) 2014 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_sgcta(file_stat_t *file_stat);
+
+const file_hint_t file_hint_sgcta= {
+  .extension="sgcta",
+  .description="Ciel",
+  .min_header_distance=0,
+  .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+  .recover=1,
+  .enable_by_default=1,
+  .register_header_check=&register_header_check_sgcta
+};
+
+static int header_check_sgcta(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)
+{
+  reset_file_recovery(file_recovery_new);
+  file_recovery_new->extension=file_hint_sgcta.extension;
+  return 1;
+}
+
+static void register_header_check_sgcta(file_stat_t *file_stat)
+{
+  static const unsigned char sgcta_header[16]=  {
+    'C' , 'a' , 'm' , 'B' , 'F' , 'i' , 'l' , 'e' ,
+    0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  };
+  register_header_check(0, sgcta_header, sizeof(sgcta_header), &header_check_sgcta, file_stat);
+}