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authorChristophe Grenier <grenier@cgsecurity.org>2009-12-28 08:09:33 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2009-12-28 08:09:33 +0100
commit9f6521d97aca0a4876a7fc47505c739f784988e8 (patch)
tree5d8e73c19625d16c544da9ff85fb61fd457998a8 /src/file_pzh.c
parent5885b7815c0d1adfb5d15e8ac6bda89b654ed198 (diff)
PhotoRec: recover Presto .pzh files
Diffstat (limited to 'src/file_pzh.c')
-rw-r--r--src/file_pzh.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/file_pzh.c b/src/file_pzh.c
new file mode 100644
index 0000000..bda0065
--- /dev/null
+++ b/src/file_pzh.c
@@ -0,0 +1,81 @@
+/*
+
+ File: file_pzh.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_pzh(file_stat_t *file_stat);
+static int header_check_pzh(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);
+
+/* Presto http://www.soft.es/ */
+
+const file_hint_t file_hint_pzh= {
+ .extension="pzh",
+ .description="Presto",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_pzh
+};
+
+static const unsigned char pzh_header[10]= {
+ 0x00, 0x00, 0x01, '8', '.', '0', 0x00, 0x02,
+ 0x05, 0x03
+};
+
+static void register_header_check_pzh(file_stat_t *file_stat)
+{
+ register_header_check(0x9c4, pzh_header, sizeof(pzh_header), &header_check_pzh, file_stat);
+}
+
+static void file_rename_pzh(const char *old_filename)
+{
+ unsigned char buffer[512];
+ FILE *file;
+ int buffer_size;
+ if((file=fopen(old_filename, "rb"))==NULL)
+ return;
+ fseek(file, 0x9ce, SEEK_SET);
+ buffer_size=fread(buffer, 1, sizeof(buffer), file);
+ fclose(file);
+ file_rename(old_filename, buffer, buffer_size, 0, "pzh", 0);
+}
+
+static int header_check_pzh(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[0x9c4], pzh_header, sizeof(pzh_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_pzh.extension;
+ file_recovery_new->file_rename=&file_rename_pzh;
+ return 1;
+ }
+ return 0;
+}