From: Michael Gernoth <michael@gernoth.net>
Date: Sat, 31 Jan 2009 22:44:37 +0000 (+0100)
Subject: solved the mistrey of 4 unknown bytes, only one left
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/commitdiff_plain/358935b6269b6f0392c87d8653541ab721cc0e70?ds=sidebyside

solved the mistrey of 4 unknown bytes, only one left
---

diff --git a/extract.c b/extract.c
index 6c30bd2..5d2a6fc 100644
--- a/extract.c
+++ b/extract.c
@@ -15,8 +15,9 @@
 void extract_files(unsigned char *fw, int len)
 {
 	unsigned char *pos;
-	unsigned int length;
-	unsigned char unknown[5];
+	unsigned int content_length;
+	unsigned int name_length;
+	unsigned char unknown;
 	char *name;
 
 	pos = fw + 0x28;
@@ -25,26 +26,25 @@ void extract_files(unsigned char *fw, int len)
 	pos = fw + *((unsigned int*)pos);
 
 	while (pos < (fw + len)) {
-		unknown[0] = *pos; pos++;
-		unknown[1] = *pos; pos++;
-		unknown[2] = *pos; pos++;
-		unknown[3] = *pos; pos++;
-		unknown[4] = *pos; pos++;
-		length = *((unsigned int*)pos);
+		unknown = *pos; pos++;
+		name_length = *((unsigned int*)pos);
+		pos += 4;
+		content_length = *((unsigned int*)pos);
 		pos += 4;
 		name = (char*)pos;
-		pos += strlen(name) + 1;
 
-		if ((pos + length) > (fw + len)) {
+		if (((pos + content_length) > (fw + len)) ||
+		    ((pos + name_length) > (fw + len))) {
 			printf("EOF reached\n");
 			break;
 		}
-		printf("%s: unknown: %02x %02x %02x %02x %02x, length: %d",
-			name, unknown[0], unknown[1], unknown[2], unknown[3],
-			unknown[4], length);
+		pos += name_length;
+
+		printf("%s: unknown: 0x%02x, length: %d",
+			name, unknown, content_length);
 
-		if (length > 0) {
-			write_file(name, pos, length);
+		if (content_length > 0) {
+			write_file(name, pos, content_length);
 			if (*((unsigned int*)pos) == LZ_MAGIC) {
 				char *lzname;
 
@@ -80,7 +80,7 @@ void extract_files(unsigned char *fw, int len)
 			}
 		}
 
-		pos += length;
+		pos += content_length;
 
 	}
 }