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authorChristophe Grenier <grenier@cgsecurity.org>2011-06-17 08:39:16 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2011-06-17 08:39:16 +0200
commitfd35c6a13d8661aef0651275d59bf0ee42446f53 (patch)
treed108fbfefc7f6f0a966c659fe9dc5e37ebaad983 /src/file_vmg.c
parente5805df2c0603454318f5b51f4953f11d19e40ba (diff)
PhotoRec: recover .vmg Nokia Text Message
Diffstat (limited to 'src/file_vmg.c')
-rw-r--r--src/file_vmg.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/src/file_vmg.c b/src/file_vmg.c
new file mode 100644
index 0000000..afa0c9a
--- /dev/null
+++ b/src/file_vmg.c
@@ -0,0 +1,78 @@
+/*
+
+ File: file_vmg.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_vmg(file_stat_t *file_stat);
+
+const file_hint_t file_hint_vmg= {
+ .extension="vmg",
+ .description="Nokia Text Message",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_vmg
+};
+
+static void file_check_vmg(file_recovery_t *file_recovery)
+{
+ const unsigned char vmg_footer[0x15]= {
+ 0x00, '\n', 0x00, 'E' , 0x00, 'N' , 0x00, 'D' ,
+ 0x00, ':' , 0x00, 'V' , 0x00, 'M' , 0x00, 'S' ,
+ 0x00, 'G' , 0x00, '\n', 0x00
+ };
+ file_search_footer(file_recovery, vmg_footer, sizeof(vmg_footer), 0);
+}
+
+static const unsigned char vmg_header[0x28]= {
+ 'B' , 0x00, 'E' , 0x00, 'G' , 0x00, 'I' , 0x00,
+ 'N' , 0x00, ':' , 0x00, 'V' , 0x00, 'M' , 0x00,
+ 'S' , 0x00, 'G' , 0x00, '\n', 0x00, 'V' , 0x00,
+ 'E' , 0x00, 'R' , 0x00, 'S' , 0x00, 'I' , 0x00,
+ 'O' , 0x00, 'N' , 0x00, ':' , 0x00, '1' , 0x00
+};
+
+static int header_check_vmg(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], vmg_header, sizeof(vmg_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_vmg.extension;
+ file_recovery_new->file_check=&file_check_vmg;
+ return 1;
+ }
+ return 0;
+}
+
+static void register_header_check_vmg(file_stat_t *file_stat)
+{
+ register_header_check(0, vmg_header, sizeof(vmg_header), &header_check_vmg, file_stat);
+}