X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/9083693311cfae1ba2f233cb651daaab0e9b4b20..01004d01cd427c0b11686777f00077055234c397:/rsb-lz.c

diff --git a/rsb-lz.c b/rsb-lz.c
index 4960fc0..e43b74b 100644
--- a/rsb-lz.c
+++ b/rsb-lz.c
@@ -1,4 +1,9 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <errno.h>
+#include "rsb-crc.h"
 #include "rsb-lz.h"
 
 /* TODO: IMPLEMET THIS! */
@@ -421,6 +426,161 @@
  * 59b80:	46335053 	undefined
  */
 
+void fn_59560(unsigned int arg1)
+{
+}
+
+void fn_59578(unsigned int arg1, unsigned int arg2, unsigned int arg3, unsigned int arg4)
+{
+}
+
+void fn_59788()
+{
+	fprintf(stderr,"error extracting...\n");
+	exit(1);
+}
+
+struct s_59b78 {
+	unsigned char *start;
+	unsigned char *stop;
+	unsigned char y; /* 8 */
+	unsigned char x; /* 9 */
+};
+
+unsigned int fn_59848(struct s_59b78 *data)
+{
+	return 0;
+}
+
+unsigned int fn_598b4(struct s_59b78 *data, unsigned int arg2)
+{
+	return 0;
+}
+
+void fn_5980c(unsigned int arg1, unsigned int mem[])
+{
+}
+
+void fn_5993c(struct s_59b78 *data, unsigned int mem[])
+{
+	unsigned int r5;
+	unsigned int r2;
+	unsigned int r4;
+	unsigned char arr_59b64[1024];
+
+	r5 = 1;
+
+	do {
+		r2 = fn_59848(data);
+		if (r2 == 0)
+			break;
+
+		r2 = fn_598b4(data, 8) & 0xff;
+		r4 = r2;
+
+		fn_5980c(r4, mem);
+		arr_59b64[r5] = r4;
+		r2 = r5 + 1;
+		r2 = r2 << 22;
+		r2 = r2 >> 22;
+		r5 = r2;
+	} while(1);
+
+	/* CONT: 599a4 */
+
+}
+
+unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned int magic)
+{
+	unsigned int r3;
+	unsigned int r4;
+	unsigned int r5;
+
+#if 0
+	if (r0 < 0xc0000000)
+		return 1;
+#endif
+
+	r4 = *((unsigned int*)arg1 + 0x20);
+	r5 = *((unsigned int*)arg1 + 0x24);
+
+	if (r5 != magic)
+		return 2;
+	
+	if (arg2 >= r4)
+		r5 = 0;
+	else
+		return 3;
+
+	r5 = ~rsb_crc(~0x00, arg1, r4);
+	r3 = *((unsigned int*)(arg1 + r4));
+	printf("Checksums: 0x%02x <-> 0x%02x\n", r5, r3);
+
+	if (r3 == r5)
+		return 0;
+
+	return 0;
+}
+
+void fn_59508()
+{
+}
+
+void extract_lz_file(unsigned char *buf, unsigned char *name)
+{
+	unsigned char *r3;
+	unsigned int r5;
+	unsigned char *r7 = NULL; /* Arg1, mem start */
+	unsigned char *r10 = NULL; /* Arg2, mem end */
+	unsigned char *r11 = buf; /* Arg3 */
+	struct s_59b78 struct1;
+	unsigned int arr_59b7c[1024];
+
+	r7 = malloc(1024*1024*1024);
+	r10 = r7 + (1024*1024*1024);
+
+	if (r7 == NULL) {
+		perror("malloc");
+		exit(1);
+	}
+
+	fn_59578(0, 0, 0x3f, 0x33);
+	fn_59578(4, 0x10000000, 0x33, 0x366);
+	fn_59578(5, 0x14000000, 0x1b, 0x733);
+	fn_59578(7, 0xc0000000, 0x3b, 0x33);
+	fn_59560(0x1005);
+
+	if (*((unsigned int*)r11) != LZ_MAGIC)
+		fn_59788();
+	r3 = r11 + 4;
+	r5 = *((unsigned int*)r3);
+	printf(", Length: %d\n", r5);
+
+	r3 = r7 + r5;
+	if (r3 > r10)
+		fn_59788();
+	
+	struct1.start = r11 + 8;
+	struct1.stop = r5 + r11;
+	struct1.x = 0;
+	struct1.y = 0x80;
+
+	arr_59b7c[0] = (unsigned int)r7;
+	arr_59b7c[1] = (unsigned int)(r5 + r7);
+
+	fn_5993c(&struct1, arr_59b7c);
+
+	r3 = r7 + 0x20;
+	r5 = *((unsigned int*)r3);
+
+	if (crc_check_59684(r7, r5, 0x46335053) != 0)
+		fn_59788();
+	
+	fn_59508();
+
+	free(r7);
+}
+
 void search_lz_sections(unsigned char *fw, int len)
 {
 	int i;
@@ -436,6 +596,7 @@ void search_lz_sections(unsigned char *fw, int len)
 			while (j > fw) {
 				if (*j == 0x00) {
 					printf("%s", j+1);
+					extract_lz_file(fw + i, j+1);
 					break;
 				}
 				j--;