rgimad/kpack_c
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seems like finished preprocess_calltrick todo check it

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rgimad
2025-04-18 12:42:49 +03:00
parent 33bb1e20db
commit 21d6c2c207
1 changed files with 6 additions and 12 deletions
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18
kpack_c.c
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@@ -43,7 +43,6 @@ unsigned pack_lzma(unsigned char *infile, unsigned char *outfile, unsigned insiz
unsigned preprocess_calltrick(unsigned char *infile, unsigned insize, unsigned char ct1[256], unsigned *ctn, unsigned char *cti) unsigned preprocess_calltrick(unsigned char *infile, unsigned insize, unsigned char ct1[256], unsigned *ctn, unsigned char *cti)
{ {
// TODO: check
unsigned char *buf = malloc(2*insize); unsigned char *buf = malloc(2*insize);
if (buf == NULL) { if (buf == NULL) {
goto pack_calltrick_fail; goto pack_calltrick_fail;
@@ -78,7 +77,7 @@ unsigned preprocess_calltrick(unsigned char *infile, unsigned insize, unsigned c
buf_ptr += 8; buf_ptr += 8;
} }
} while(count > 0); // } while(count > 0);
unsigned idx = 0; unsigned idx = 0;
while (idx < 256 && ct1[idx] != 0) { while (idx < 256 && ct1[idx] != 0) {
@@ -89,23 +88,18 @@ unsigned preprocess_calltrick(unsigned char *infile, unsigned insize, unsigned c
} }
*cti = ~(unsigned char)256; *cti = ~(unsigned char)256;
if (buf_ptr == buf) { unsigned tmp;
free(buf); while (buf_ptr != buf) {
return 0;
} else {
buf_ptr -= 8; buf_ptr -= 8;
unsigned tmp;
memcpy(&tmp, *buf_ptr, 4); memcpy(&tmp, *buf_ptr, 4);
memcpy(tmp - 4, cti, 1); memcpy(tmp - 4, cti, 1);
// TDOO here jmp @b
} }
free(buf);
// TODO ! return tmp;
pack_calltrick_fail: pack_calltrick_fail:
*ctn = 0; *ctn = 0;
// ebx = 0; // TODO what return 0;
return 0; // 0?
} }