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authorChristophe Grenier <grenier@cgsecurity.org>2008-06-13 14:56:02 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2008-06-13 14:56:02 +0200
commitc62ef5bb5b0a3659dd2805cfdc3ecda1cb3d774f (patch)
tree6c85b4e2833e98587e30a8282b83b77d63443c6e /src/file_wks.c
parentd7073e1622fd820a8360edabfcf6eb3045cf9f99 (diff)
PhotoRec, add support for
- AlphaCAM amd/amt/atd/att - arj Archive - asm Pro/ENGINEER Assembly - chm MS Windows HtmlHelp Data - drw Pro/ENGINEER Drawing - frm Pro/ENGINEER Drawing Form - mfg Pro/ENGINEER Manufacturing - prt Pro/ENGINEER Model - stl Stereolithography CAD - tph Pro/ENGINEER ToolPath - wks Lotus 1-2-3
Diffstat (limited to 'src/file_wks.c')
-rw-r--r--src/file_wks.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/src/file_wks.c b/src/file_wks.c
new file mode 100644
index 0000000..65c489c
--- /dev/null
+++ b/src/file_wks.c
@@ -0,0 +1,90 @@
+/*
+
+ File: file_wks.c
+
+ Copyright (C) 2008 Christophe GRENIER <grenier@cgsecurity.org>
+
+ This software is free software; you can redistribute it and/or modify
+ it under the teras 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_wks(file_stat_t *file_stat);
+static int header_check_wks(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 int header_check_wk4(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_wks= {
+ .extension="wks",
+ .description="Lotus 1-2-3",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_wks
+};
+
+static const unsigned char wks_header[10] = { 0x00, 0x00, 0x02, 0x00, 0x04, 0x04,
+ 0x06, 0x00, 0x08, 0x00};
+/*
+ * record type=0 BOF=Beginning of file
+ * record length=2
+ * 0x0404 = 1-2-3
+ * 0x0405 = Symphony
+ *
+ * record type=6 RANGE=Active worksheet range
+ * See
+ * http://www.schnarff.com/file-formats/lotus-1-2-3/WSFF1.TXT
+ * http://www.schnarff.com/file-formats/lotus-1-2-3/WSFF2.TXT
+ */
+static const unsigned char wk4_header[8] = { 0x00, 0x00, 0x1a, 0x00, 0x02, 0x10, 0x04, 0x00};
+
+static void register_header_check_wks(file_stat_t *file_stat)
+{
+ register_header_check(0, wks_header,sizeof(wks_header), &header_check_wks, file_stat);
+ register_header_check(0, wk4_header,sizeof(wk4_header), &header_check_wk4, file_stat);
+}
+
+static int header_check_wks(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,wks_header,sizeof(wks_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_wks.extension;
+ return 1;
+ }
+ return 0;
+}
+
+static int header_check_wk4(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,wk4_header,sizeof(wk4_header))==0)
+ {
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension="wk4";
+ return 1;
+ }
+ return 0;
+}
+