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authorChristophe Grenier <grenier@cgsecurity.org>2009-07-03 08:05:58 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2009-07-03 08:05:58 +0200
commit9402c1cd650a710566e4565de82973ad5c6f056c (patch)
treea0a2517836ef202cc5c06c2a440dd6a29788277c /src/file_gp5.c
parent8c01cd3f1660a8a757f6efaa4efa812aac2df926 (diff)
PhotoRec: recover Guitar Pro 5 .gp5 files
Diffstat (limited to 'src/file_gp5.c')
-rw-r--r--src/file_gp5.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/src/file_gp5.c b/src/file_gp5.c
new file mode 100644
index 0000000..41dd7cb
--- /dev/null
+++ b/src/file_gp5.c
@@ -0,0 +1,77 @@
+/*
+
+ File: file_gp5.c
+
+ Copyright (C) 2009 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_gp5(file_stat_t *file_stat);
+static int header_check_gp5(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);
+static void file_check_gp5(file_recovery_t *file_recovery);
+
+const file_hint_t file_hint_gp5= {
+ .extension="gp5",
+ .description="Guitar Pro 5",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_gp5
+};
+
+static const unsigned char gp5_header[23]= {
+ 0x18, 'F' , 'I' , 'C' , 'H' , 'I' , 'E' , 'R' ,
+ ' ' , 'G' , 'U' , 'I' , 'T' , 'A' , 'R' , ' ' ,
+ 'P' , 'R' , 'O' , ' ' , 'v' , '5' , '.'
+};
+
+static void register_header_check_gp5(file_stat_t *file_stat)
+{
+ register_header_check(0, gp5_header, sizeof(gp5_header), &header_check_gp5, file_stat);
+}
+
+static int header_check_gp5(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, gp5_header, sizeof(gp5_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_gp5.extension;
+ file_recovery_new->file_check=&file_check_gp5;
+ return 1;
+ }
+ return 0;
+}
+
+static void file_check_gp5(file_recovery_t *file_recovery)
+{
+ const unsigned char gp5_footer[13]= {
+ 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40,
+ 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ file_search_footer(file_recovery, gp5_footer, sizeof(gp5_footer), 0);
+}