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authorChristophe Grenier <grenier@cgsecurity.org>2009-09-05 13:35:38 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2009-09-05 13:35:38 +0200
commit5f3547266939ae8de8f49b158ba52314df027165 (patch)
treefef60804147169d1d444a9cf775f15212e36ba19 /src/file_template.c
parent3fa7dda9e79841e17b4dbdd09142125a3cc7ee13 (diff)
file_template is a model for adding a new file format to PhotoRec
Diffstat (limited to 'src/file_template.c')
-rw-r--r--src/file_template.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/src/file_template.c b/src/file_template.c
new file mode 100644
index 0000000..cff30cd
--- /dev/null
+++ b/src/file_template.c
@@ -0,0 +1,74 @@
+/*
+
+ File: file_EXTENSION.c
+
+ Copyright (C) YEAR 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_EXTENSION(file_stat_t *file_stat);
+static int header_check_EXTENSION(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_EXTENSION(file_recovery_t *file_recovery);
+
+const file_hint_t file_hint_EXTENSION= {
+ .extension="EXTENSION",
+ .description="EXTENSION",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_EXTENSION
+};
+
+static const unsigned char EXTENSION_header[HEADER_SIZE]= {
+ HEADER_MAGIC
+};
+
+static void register_header_check_EXTENSION(file_stat_t *file_stat)
+{
+ register_header_check(HEADER_LOC, EXTENSION_header, sizeof(EXTENSION_header), &header_check_EXTENSION, file_stat);
+}
+
+static int header_check_EXTENSION(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, EXTENSION_header, sizeof(EXTENSION_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_EXTENSION.extension;
+ file_recovery_new->file_check=&file_check_EXTENSION;
+ return 1;
+ }
+ return 0;
+}
+
+static void file_check_EXTENSION(file_recovery_t *file_recovery)
+{
+ const unsigned char EXTENSION_footer[FOOTER_SIZE]= {
+ FOOTER_MAGIC
+ };
+ file_search_footer(file_recovery, EXTENSION_footer, sizeof(EXTENSION_footer), FOOTER_EXTRA);
+}