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authorChristophe Grenier <grenier@cgsecurity.org>2016-08-16 20:13:45 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2016-08-16 20:13:45 +0200
commit9ab4195059e2d3662d5516d798aabb1bca9a6e43 (patch)
treee80102fd275628226a3d33e514f396f2f1f7dc80 /src
parent7eaf232c1f11ff1e9dc6653f076034845a8f4fe7 (diff)
PhotoRec: recover Terraria world .wld file
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am1
-rw-r--r--src/file_list.c2
-rw-r--r--src/file_wld.c93
3 files changed, 96 insertions, 0 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 5aa8bc5..d3afebf 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -318,6 +318,7 @@ file_C = filegen.c \
file_wim.c \
file_win.c \
file_wks.c \
+ file_wld.c \
file_wmf.c \
file_wnk.c \
file_woff.c \
diff --git a/src/file_list.c b/src/file_list.c
index f9dd422..9dab9ab 100644
--- a/src/file_list.c
+++ b/src/file_list.c
@@ -323,6 +323,7 @@ extern const file_hint_t file_hint_wee;
extern const file_hint_t file_hint_wim;
extern const file_hint_t file_hint_win;
extern const file_hint_t file_hint_wks;
+extern const file_hint_t file_hint_wld;
extern const file_hint_t file_hint_wmf;
extern const file_hint_t file_hint_wnk;
extern const file_hint_t file_hint_woff;
@@ -644,6 +645,7 @@ file_enable_t list_file_enable[]=
{ .enable=0, .file_hint=&file_hint_wim },
{ .enable=0, .file_hint=&file_hint_win },
{ .enable=0, .file_hint=&file_hint_wks },
+ { .enable=0, .file_hint=&file_hint_wld },
{ .enable=0, .file_hint=&file_hint_wmf },
{ .enable=0, .file_hint=&file_hint_wnk },
{ .enable=0, .file_hint=&file_hint_woff },
diff --git a/src/file_wld.c b/src/file_wld.c
new file mode 100644
index 0000000..5f4c366
--- /dev/null
+++ b/src/file_wld.c
@@ -0,0 +1,93 @@
+/*
+
+ File: file_wld.c
+
+ Copyright (C) 2016 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_wld(file_stat_t *file_stat);
+
+const file_hint_t file_hint_wld= {
+ .extension="wld",
+ .description="Terraria world",
+ .max_filesize=PHOTOREC_MAX_FILE_SIZE,
+ .recover=1,
+ .enable_by_default=1,
+ .register_header_check=&register_header_check_wld
+};
+
+/* See http://ludwig.schafer.free.fr for WLD file format */
+
+static void file_rename_wld(file_recovery_t *file_recovery)
+{
+ uint32_t offset;
+ unsigned char buffer[256];
+ FILE *file;
+ if((file=fopen(file_recovery->filename, "rb"))==NULL)
+ return;
+ if (fseek(file, 0x1a, SEEK_SET) == -1 ||
+ fread(&offset, 4, 1, file)!=1 ||
+ fseek(file, le32(offset), SEEK_SET) == -1 ||
+ fread(&buffer, 256, 1, file)!=1)
+ {
+ fclose(file);
+ return ;
+ }
+ fclose(file);
+ file_rename(file_recovery, &buffer[1], buffer[0], 0, NULL, 1);
+}
+
+static int header_check_wld(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(buffer[0xB]<=0 || buffer[0xB]>3)
+ return 0;
+ reset_file_recovery(file_recovery_new);
+ switch(buffer[0xb])
+ {
+ case 0x01:
+ file_recovery_new->extension="map";
+ break;
+ case 0x02:
+ file_recovery_new->extension=file_hint_wld.extension;
+ file_recovery_new->file_rename=&file_rename_wld;
+ break;
+ case 0x03:
+ file_recovery_new->extension="plr";
+ break;
+ }
+ return 1;
+}
+
+static void register_header_check_wld(file_stat_t *file_stat)
+{
+ static const unsigned char wld_header[10]= {
+ 0x00, 0x00, 0x00,
+ 'r' , 'e' , 'l' , 'o' , 'g' , 'i' , 'c' };
+ register_header_check(1, wld_header, sizeof(wld_header), &header_check_wld, file_stat);
+}