X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/blobdiff_plain/05c92ac4936fcd3027d8e477b1a89e1cd6b4ac5c..90c723bb710897a6451175e1cae3292f2a1e3d59:/rsb-lz.c diff --git a/rsb-lz.c b/rsb-lz.c index a776e8d..f5a84fa 100644 --- a/rsb-lz.c +++ b/rsb-lz.c @@ -426,91 +426,180 @@ * 59b80: 46335053 undefined */ -void fn_59560(unsigned int arg1) -{ -} - -void fn_59578(unsigned int arg1, unsigned int arg2, unsigned int arg3, unsigned int arg4) -{ -} +static unsigned char *outbuf = NULL; -void fn_59788() +void fn_59788(const char *fname) { - fprintf(stderr,"error extracting...\n"); + fprintf(stderr,"%s: error extracting...\n", fname); + fprintf(stderr,"outbuf at: %p\n", outbuf); + fprintf(stderr,"%s\n", outbuf); exit(1); } struct s_59b78 { - unsigned char *start; - unsigned char *stop; + unsigned char *start; /* 0 */ + unsigned char *stop; /* 4 */ unsigned char y; /* 8 */ unsigned char x; /* 9 */ }; -unsigned int fn_59848(struct s_59b78 *data) +unsigned char fn_597c8(struct s_59b78 *r6_data) { - return 0; + unsigned char *r0; + unsigned char *r1; + unsigned char r5; + + r5 = 0; + + r0 = r6_data->start; + r1 = r6_data->stop; + + if (r1 < r0) + fn_59788(__func__); + + r5 = *r0; + r0++; + r6_data->start = r0; + + return r5; } -unsigned int fn_598b4(struct s_59b78 *data, unsigned int arg2) +unsigned int fn_59848(struct s_59b78 *r6_data) { - return 0; + unsigned char r1; + unsigned char r2; + unsigned int r5; + + r1 = r6_data->y; + if (r1 == 0x80) { + r6_data->x = fn_597c8(r6_data); + } + r1 = r6_data->y; + r2 = r6_data->x; + r1 = r1 & r2; + r5 = r1 & 0xff; + + r1 = r6_data->y; + r1 = r1 >> 1; + r6_data->y = r1; + if (r1 == 0) { + r1 = 0x80; + r6_data->y = r1; + } + + if (r5 == 0) + return 0; + + return 1; +} + +unsigned int fn_598b4(struct s_59b78 *r11_data, unsigned int r10_arg2) +{ + unsigned int r1; + unsigned int r2; + unsigned int r6; + unsigned int r7; + + r1 = r10_arg2 - 1; + r6 = 1 << r1; + + r7 = 0; + while (r6 != 0) { + r1 = r11_data->y; + if (r1 == 0x80) { + r1 = fn_597c8(r11_data); + r11_data->x = r1; + } + r1 = r11_data->y; + r2 = r11_data->x; + r1 = r1 & r2; + if (r1 != 0) + r7 = r7 | r6; + + r6 = r6 >> 1; + + r2 = r11_data->y; + r2 = r2 >> 1; + r11_data->y = r2; + + r1 = r11_data->y; + if(r1 == 0) { + r11_data->y = 0x80; + } + } + + return r7; } void fn_5980c(unsigned int arg1, unsigned int mem[]) { + unsigned char *r1; + unsigned char *r2; + + r1 = (unsigned char*)mem[0]; + r2 = (unsigned char*)mem[1]; + + if (r1 > r2) { + printf("r1: 0x%08x, r2: 0x%08x\n", (unsigned int)r1, (unsigned int)r2); + fn_59788(__func__); + } + + *r1 = arg1 & 0xff; + + r1++; + mem[0] = (unsigned int)r1; } -void fn_5993c(struct s_59b78 *data, unsigned int mem[]) +void fn_5993c(struct s_59b78 *r10_data, unsigned int r13_mem[]) { unsigned int r5; unsigned int r2; - unsigned int r4; + unsigned char r4; unsigned int r6; unsigned int r7; unsigned int r11; - unsigned char arr_59b64[1024]; + unsigned char arr_59b64[2048]; r5 = 1; - do { - do { - r2 = fn_59848(data); + while (1) { + while (1) { + r2 = fn_59848(r10_data); if (r2 == 0) break; - r2 = fn_598b4(data, 8) & 0xff; + r2 = fn_598b4(r10_data, 8) & 0xff; r4 = r2; - fn_5980c(r4, mem); + fn_5980c(r4, r13_mem); arr_59b64[r5] = r4 & 0xff; r2 = r5 + 1; r2 = r2 << 22; r2 = r2 >> 22; r5 = r2; - } while(1); + } - r11 = fn_598b4(data, 0x0a); + r11 = fn_598b4(r10_data, 0x0a); if(r11 == 0) return; - r2 = fn_598b4(data, 0x04); + r2 = fn_598b4(r10_data, 0x04); r7 = r2 + 1; r6 = 0; - do { + while (r6 <= r7) { r2 = r6 + r11; r2 = r2 << 22; r2 = r2 >> 22; r4 = arr_59b64[r2]; - fn_5980c(r4, mem); - arr_59b64[r5] = r4 & 0xff; + fn_5980c(r4, r13_mem); + arr_59b64[r5] = r4; r2 = r5 + 1; r2 = r2 << 22; r2 = r2 >> 22; r5 = r2; r6++; - } while(r6 <= r7); - } while(1); + } + } } unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned int magic) @@ -547,6 +636,7 @@ unsigned int crc_check_59684(unsigned char *arg1, unsigned int arg2, unsigned in void fn_59508() { + fprintf(stderr,"%s\n", __func__); } void extract_lz_file(unsigned char *buf, unsigned char *name) @@ -559,29 +649,27 @@ void extract_lz_file(unsigned char *buf, unsigned char *name) struct s_59b78 struct1; unsigned int arr_59b7c[1024]; - r7 = malloc(1024*1024*1024); - r10 = r7 + (1024*1024*1024); + r7 = malloc(4*1024*1024); + r10 = r7 + (4*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); + bzero(r7, 4*1024*1024); + outbuf = r7; if (*((unsigned int*)r11) != LZ_MAGIC) - fn_59788(); + fn_59788(__func__); + r3 = r11 + 4; r5 = *((unsigned int*)r3); - printf(", Length: %d\n", r5); + printf(", length: %d\n", r5); r3 = r7 + r5; if (r3 > r10) - fn_59788(); + fn_59788(__func__); struct1.start = r11 + 8; struct1.stop = r5 + r11; @@ -597,7 +685,7 @@ void extract_lz_file(unsigned char *buf, unsigned char *name) r5 = *((unsigned int*)r3); if (crc_check_59684(r7, r5, 0x46335053) != 0) - fn_59788(); + fn_59788(__func__); fn_59508(); @@ -618,6 +706,8 @@ void search_lz_sections(unsigned char *fw, int len) j--; while (j > fw) { if (*j == 0x00) { + if (strncmp("/web", (char*)(j+1), 4)) + break; printf("%s", j+1); extract_lz_file(fw + i, j+1); break;