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authorChristophe Grenier <grenier@cgsecurity.org>2009-02-03 22:34:04 +0100
committerChristophe Grenier <grenier@cgsecurity.org>2009-02-03 22:34:04 +0100
commit0ed831f349773e62283d0e5e9c868886e9efcaf9 (patch)
tree416199929c38f87d9906ea49b2262b7c511e0b85 /src/file_xpt.c
parentc53bac566ba1ae52eb0b0c337275827dc6346a9a (diff)
PhotoRec: recover Mozilla XPCOM Type Library .xpt
Diffstat (limited to 'src/file_xpt.c')
-rw-r--r--src/file_xpt.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/file_xpt.c b/src/file_xpt.c
new file mode 100644
index 0000000..cad2881
--- /dev/null
+++ b/src/file_xpt.c
@@ -0,0 +1,81 @@
+/*
+
+ File: file_xpt.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"
+#include "common.h"
+
+static void register_header_check_xpt(file_stat_t *file_stat);
+static int header_check_xpt(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);
+
+const file_hint_t file_hint_xpt= {
+ .extension="xpt",
+ .description="Mozilla XPCOM Type Library",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_xpt
+};
+
+static const unsigned char xpt_header[16]={
+ 'X', 'P', 'C', 'O', 'M', '\n', 'T', 'y',
+ 'p', 'e', 'L', 'i', 'b', '\r', '\n', 0x1a
+};
+
+static void register_header_check_xpt(file_stat_t *file_stat)
+{
+ register_header_check(0, xpt_header,sizeof(xpt_header), &header_check_xpt, file_stat);
+}
+
+/* Read http://www.mozilla.org/scriptable/typelib_file.html
+ * for more information about this file format */
+struct TypeLibHeader {
+ char magic[16];
+ uint8_t major_version;
+ uint8_t minor_version;
+ uint16_t num_interfaces;
+ uint32_t file_length;
+} __attribute__ ((__packed__));
+
+static int header_check_xpt(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, xpt_header, sizeof(xpt_header))==0)
+ {
+ const struct TypeLibHeader *xpt=(const struct TypeLibHeader*)buffer;
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_xpt.extension;
+ file_recovery_new->min_filesize=65;
+ file_recovery_new->calculated_file_size=be32(xpt->file_length);
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+ }
+ return 0;
+}