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Fixed bug in defines, and tighten stuff up with an adler!

This commit is contained in:
n-a-c-h 2008-05-20 12:38:15 +00:00
parent b9243acef4
commit b65f624d58
2 changed files with 9 additions and 2 deletions
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9
src/win32/protect.c
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@ -83,9 +83,16 @@ int ExecutableValid(const char *executable_filename)
crc3 = crc32(crc3, (const Bytef *)p+sizeof(data), file_size-(length_till_data+sizeof(data)));
crc4 = crc32(crc4, (const Bytef *)(data+1), sizeof(data)-sizeof(uint32_t));
crc1 = crc32_combine(crc1, crc3, file_size-(length_till_data+sizeof(data)));
crc2 = crc32_combine(crc2, crc3, file_size-(length_till_data+sizeof(data)));
crc3 = adler32(0L, Z_NULL, 0);
crc3 = adler32(crc3, (const Bytef *)buffer, length_till_data);
crc3 = adler32(crc3, (const Bytef *)p+sizeof(data), file_size-(length_till_data+sizeof(data)));
if ((data[sizeof(data)/sizeof(uint32_t)-4] == crc1) &&
(data[sizeof(data)/sizeof(uint32_t)-3] == crc3) &&
(data[sizeof(data)/sizeof(uint32_t)-2] == crc32_combine(crc2, crc3, file_size-(length_till_data+sizeof(data)))) &&
(data[sizeof(data)/sizeof(uint32_t)-2] == crc2) &&
(data[sizeof(data)/sizeof(uint32_t)-1] == crc4) &&
(file_size == data[2]) &&
(data[3] == ((uint32_t *)(buffer+file_size))[-2]) &&

2
src/win32/protect.h
View File

@ -1,4 +1,4 @@
#ifdef ___PROTECT_H_
#ifndef ___PROTECT_H_
#define ___PROTECT_H_
#if defined(__cplusplus)