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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_stl.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_stl.c')
-rw-r--r--src/file_stl.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/src/file_stl.c b/src/file_stl.c
new file mode 100644
index 0000000..6fa2fed
--- /dev/null
+++ b/src/file_stl.c
@@ -0,0 +1,75 @@
+/*
+
+ File: file_stl.c
+
+ Copyright (C) 2008 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_stl(file_stat_t *file_stat);
+static int header_check_stl(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_amt(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_stl= {
+ .extension="stl",
+ .description="Stereolithography CAD (Binary format)",
+ .min_header_distance=0,
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_stl
+};
+
+static const unsigned char stl_header[6]={ 's', 'o', 'l', 'i', 'd', ' '};
+static const unsigned char spaces[16]={
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' };
+
+static void register_header_check_stl(file_stat_t *file_stat)
+{
+ register_header_check(0, stl_header,sizeof(stl_header), &header_check_stl, file_stat);
+}
+
+static int header_check_stl(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, stl_header, sizeof(stl_header))==0 &&
+ memcmp(buffer+0x40, spaces, sizeof(spaces))==0)
+ {
+ /* STL Binary format
+ * http://www.ennex.com/~fabbers/StL.asp */
+ reset_file_recovery(file_recovery_new);
+ file_recovery_new->extension=file_hint_stl.extension;
+ file_recovery_new->calculated_file_size=80+4+50*
+ (uint64_t)(buffer[80]+(buffer[81]<<8)+(buffer[82]<<16)+(buffer[93]<<24));
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
+ return 1;
+ }
+ /* STL Ascii format is recovered in file_txt.c */
+ return 0;
+}