AIManager.zip/src/zip.cpp
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include "zlib.h"
#include "zip.h"
//#include "network.h"
unsigned int cd_size;//CentralDirectoryのサイズ
unsigned int cd_addr;//CentrakDurectoryの位置
// crc32_startでは、前のバッファブロックのCRC32値をここに指定する。
// バッファが単一であるのなら、個々に引数は指定しなくてよい(0xFFFFFFFFが初期値)。
unsigned int GetCRC32(const unsigned char *buffer, unsigned int bufferlen, unsigned int crc32_start){
static unsigned int table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
unsigned int result = crc32_start;
for(unsigned int i = 0; i < bufferlen; i++){
result = (result >> 8) ^ table[buffer[i] ^ (result & 0xFF)];
}
return ~result;
}
void SetAppDir(void){
int i;
char AppDir[256];
GetModuleFileName(NULL,AppDir,256);
i = strlen(AppDir)-1;
while(AppDir[i] != '\\' && AppDir[i] != '/' && i > 0)i--;
AppDir[i] = '\0';
SetCurrentDirectory(AppDir);
}
bool GetFileDosTime(const char *name,WORD *fdate,WORD *ftime){
HANDLE h;
FILETIME ft,ft2;
h = CreateFile(name,GENERIC_READ,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
GetFileTime(h,NULL,NULL,&ft);
CloseHandle(h);
FileTimeToLocalFileTime(&ft,&ft2);
FileTimeToDosDateTime(&ft2,fdate,ftime);
return true;
}
WORD GetFileTime(const char *name){
WORD fdate,ftime;
GetFileDosTime(name,&fdate,&ftime);
return ftime;
}
WORD GetFileDate(const char *name){
WORD fdate,ftime;
GetFileDosTime(name,&fdate,&ftime);
return fdate;
}
bool Compress(unsigned char *in,DWORD &size ,WORD &type){
z_stream z;
char *out = static_cast<char*>(malloc(sizeof(char)*size));
int count, flush, status;
z.zalloc = Z_NULL;
z.zfree = Z_NULL;
z.opaque = Z_NULL;
if(deflateInit2(&z, Z_DEFAULT_COMPRESSION, Z_DEFLATED, -15, 6, Z_DEFAULT_STRATEGY) != Z_OK){
return false;
}
z.next_out = reinterpret_cast<Bytef*>(out);
z.avail_out = size;
z.next_in = reinterpret_cast<Bytef*>(in);
z.avail_in = size;
status = deflate(&z, Z_FINISH);
if(status!=Z_STREAM_END && status!=Z_OK){
return false;
}
if(deflateEnd(&z) != Z_OK){
return false;
}
if(z.avail_out>0){
size -= z.avail_out;
memcpy(in,out,size);
type = 0x08;//deflate
} else {
type=0x00;//未圧縮
}
free(out);
return true;
}
bool DeCompress(unsigned char *in,DWORD &size,DWORD out_size){
z_stream z;
char *out = static_cast<char*>(malloc(sizeof(char)*out_size));
int count, flush, status;
z.zalloc = Z_NULL;
z.zfree = Z_NULL;
z.opaque = Z_NULL;
if(inflateInit2(&z, -15) != Z_OK){
return false;
}
z.avail_in = 0;
z.next_out = reinterpret_cast<Bytef*>(out);
z.avail_out = out_size;
z.next_in = reinterpret_cast<Bytef*>(in);
z.avail_in = size;
status = inflate(&z, Z_FINISH);
if(status!=Z_STREAM_END && status!=Z_OK){
return false;
}
if(inflateEnd(&z) != Z_OK){
return false;
}
size -= z.avail_out;
memcpy(in,out,out_size);
free(out);
return true;
}
bool GetFileNameList(const char *dir_name, char **buf, int *num){
HANDLE hSearch;
WIN32_FIND_DATA fd;
int count,t;
char temp[256];
bool ret;
strncpy(temp,dir_name,sizeof(temp));
strncat(temp,"/*",sizeof(temp));
hSearch = FindFirstFile(temp, &fd );
if(hSearch == INVALID_HANDLE_VALUE){
return false;
}
count = 0;
while(1){
if(fd.cFileName[0] != '.'){
sprintf(temp,"%s/%s",dir_name,fd.cFileName);
t = *num-count;
if(t < 0){
t = 0;
}
ret = GetFileNameList(temp, buf, &t);
if(ret && t > 0){
count += t;
if(buf!=NULL){
buf += t;
}
} else {
if(*num - count > 0){
*buf = static_cast<char*>(malloc(sizeof(char)*strlen(temp)+1));
strcpy(*buf,temp);
buf++;
}
count++;
}
}
if(!FindNextFile( hSearch, &fd )){
if( GetLastError() == ERROR_NO_MORE_FILES ){
break;
}
}
}
FindClose( hSearch );
*num = count;
return true;
}
int GetFileNum(const char *dir_name){
int n=0;
if(!GetFileNameList(dir_name,NULL,&n)){
if(n == 0){
return -1;
}
}
return n;
}
struct local_file_header{
DWORD sig;
WORD ver;
WORD flag;
WORD comp;
WORD ftime;
WORD fdate;
DWORD crc32;
DWORD comp_size;
DWORD orig_size;
WORD name_len;
WORD ex_len;
};
bool CreateLocalFileHeader(const char *name,FILE *fp){
struct local_file_header lfh;
unsigned char *data;
if(fp==NULL || name==NULL || name[0]=='\0'){
return false;
}
lfh.sig = 0x04034b50;
lfh.ver = 20;
lfh.flag = 0;
lfh.comp = 0x08;//意味は無い
lfh.ftime = GetFileTime(name);
lfh.fdate = GetFileDate(name);
FILE *fsize = fopen(name,"rb");
fseek(fsize,0,SEEK_END);
lfh.comp_size = lfh.orig_size = ftell(fsize);
fseek(fsize,0,SEEK_SET);
data = static_cast<unsigned char*>(malloc(sizeof(char)*lfh.orig_size));
fread(data,1,lfh.orig_size,fsize);
fclose(fsize);
lfh.crc32 = GetCRC32(data, lfh.orig_size, 0xffffffff);
Compress(data,lfh.comp_size,lfh.comp);
free(data);
lfh.name_len = strlen(name);
lfh.ex_len = 0;
fwrite(&lfh.sig,1,14,fp);
fwrite(&lfh.crc32,1,16,fp);
fwrite(name,1,lfh.name_len,fp);
return true;
}
bool CreateDataDescriptor(const char *name,FILE *fp){
//flag3がONの時だけでいいのでつけない
return true;
}
bool AddLocalFile(const char *name, FILE *f){
FILE *fp;
unsigned char *data;
DWORD size;
if(name==NULL || name[0]=='\0' || f==NULL){
return false;
}
if(!CreateLocalFileHeader(name,f)){
return false;
}
fp = fopen(name,"rb");
if(fp==NULL){
return false;
}
fseek(fp,0,SEEK_END);
size = ftell(fp);
data = static_cast<unsigned char *>(malloc(size));
fseek(fp,0,SEEK_SET);
fread(data,1,size,fp);
if(size!=0){
WORD type;
Compress(data,size,type);
fwrite(data,1,size,f);
}
free(data);
fclose(fp);
if(!CreateDataDescriptor(name,f)){
return false;
}
return true;
}
bool CreateArchiveDescryptionHeader(char **file_list, int num, FILE *fp){
//暗号化をかけないので必要ない
//使うならVer6.2以上
return true;
}
bool CreateArchiveExtraDataRecord(char **file_list, int num, FILE *fp){
//シグネチャは0x08064b50
//暗号化をかけないので必要ない
return true;
}
struct file_header{
DWORD sig;
WORD made;
WORD need;
WORD flag;
WORD comp;
WORD ftime;
WORD fdate;
DWORD crc32;
DWORD comp_size;
DWORD orig_size;
WORD name_len;
WORD ex_len;
WORD comment_len;
WORD disk;
WORD inter_attr;
DWORD ex_attr;
DWORD offset;
};
bool CreateFileHeader(const char *name, unsigned int addr, FILE *fp){
struct file_header fh;
unsigned char *data;
if(fp==NULL || name==NULL || name[0]=='\0'){
return false;
}
fh.sig = 0x02014b50;
fh.made = 20;
fh.need = 20;
fh.flag = 0;
fh.comp = 0x08;//意味は無い
fh.ftime = GetFileTime(name);
fh.fdate = GetFileDate(name);
FILE *fsize = fopen(name,"rb");
fseek(fsize,0,SEEK_END);
fh.orig_size = fh.comp_size = ftell(fsize);
fseek(fsize,0,SEEK_SET);
data = static_cast<unsigned char*>(malloc(sizeof(char)*fh.orig_size));
fread(data,1,fh.orig_size,fsize);
fclose(fsize);
fh.crc32 = GetCRC32(data, fh.orig_size, 0xffffffff);
Compress(data,fh.comp_size,fh.comp);
free(data);
fh.name_len = strlen(name);
fh.ex_len = 0;
fh.comment_len = 0;
fh.disk = 0;
fh.inter_attr = 1;
fh.ex_attr = GetFileAttributes(name);
fh.offset = addr;
fwrite(&fh.sig,1,38,fp);
fwrite(&fh.ex_attr,1,8,fp);
fwrite(name,1,fh.name_len,fp);
return true;
}
bool CreateDigitalSignature(char **file_list, int num, FILE *fp){
//オプションヘッダなので必要ない
return true;
}
bool CreateCentralDirectory(char **file_list, unsigned int *addr_list, int num, FILE *fp){
cd_addr = ftell(fp);
int i = 0;
while(i < num){
if(!CreateFileHeader(file_list[i], addr_list[i], fp)){
return false;
}
i++;
}
if(!CreateDigitalSignature(file_list,num,fp)){
return false;
}
cd_size = ftell(fp)-cd_addr;
return true;
}
bool CreateZip64EndOfCentralDirectoryRecord(char **file_list, int num, FILE *fp){
//必要なし
return true;
}
bool CreateZip64EndOfCentralDirectoryLocator(char **file_list, int num, FILE *fp){
//必要なし
return true;
}
struct end_of_central_directory_record{
DWORD sig;
WORD disk;
WORD start_disk;
WORD disk_file_count;
WORD total_file_count;
DWORD cd_size;
DWORD offset;
WORD comment_len;
};
bool CreateEndOfCentralDirectoryRecord(char **file_list, int num, FILE *fp){
struct end_of_central_directory_record ecdr;
ecdr.sig = 0x06054b50;
ecdr.disk = 0;
ecdr.start_disk = 0;
ecdr.disk_file_count = num;
ecdr.total_file_count = num;
ecdr.cd_size = cd_size;
ecdr.offset = cd_addr;
ecdr.comment_len = 0;
fwrite(&ecdr,1,22,fp);
return true;
}
bool CreateZipEndData(char **file_list, unsigned int *addr_list, int num, FILE *fp){
if(!CreateArchiveDescryptionHeader(file_list,num,fp)){
return false;
}
if(!CreateArchiveExtraDataRecord(file_list,num,fp)){
return false;
}
if(!CreateCentralDirectory(file_list,addr_list,num,fp)){
return false;
}
if(!CreateZip64EndOfCentralDirectoryRecord(file_list,num,fp)){
return false;
}
if(!CreateZip64EndOfCentralDirectoryLocator(file_list,num,fp)){
return false;
}
if(!CreateEndOfCentralDirectoryRecord(file_list,num,fp)){
return false;
}
return true;
}
bool Dir2Zip(const char *dir_name, const char *zip_name){
int num,i;
char **file_list;
unsigned int *addr_list;
bool ret;
char name[256];
FILE *fp;
char prev_dir[256],dir[256];
GetCurrentDirectory(256, prev_dir);
strcpy(dir,dir_name);
i = strlen(dir);
while(i>0 && dir[i]!='\\'){
i--;
}
if(i>0){
dir[i] = '\0';
SetCurrentDirectory(dir);
strcpy(dir,&dir_name[i+1]);
}
num = GetFileNum(dir);
if(num < 0){
printf("Error:GetFileNum\n");
return false;
}
file_list = static_cast<char**>(malloc(sizeof(char*)*num));
addr_list = static_cast<unsigned int*>(malloc(sizeof(int)*num));
if(file_list == NULL){
printf("Error:malloc\n");
return false;
}
ret = GetFileNameList(dir, file_list, &num);
if(!ret){
printf("Error:GetFileNameList\n");
goto free_return;
}
if(zip_name==NULL){
zip_name = "aiscript_tmp1234.zip";
}
sprintf(name,"%s\\%s",prev_dir,zip_name);
fp = fopen(name,"wb");
if(fp==NULL){
printf("Error:fopen\n");
goto free_return;
}
i = 0;
while(i < num){
addr_list[i] = ftell(fp);
ret = AddLocalFile(file_list[i], fp);
if(!ret){
printf("Error:AddLocalFile\n");
goto fclose_return;
}
i++;
}
ret = CreateZipEndData(file_list, addr_list, num, fp);
if(!ret){
printf("Error:CreateZipEndData\n");
goto fclose_return;
}
fclose(fp);
free(file_list);
free(addr_list);
SetCurrentDirectory(prev_dir);
return true;
fclose_return:
fclose(fp);
free_return:
free(addr_list);
free(file_list);
SetCurrentDirectory(prev_dir);
return false;
}
bool Extract(FILE *fp){
struct local_file_header lfh;
char name[256];
unsigned char *data;
if(fread(&lfh.sig,1,14,fp)!=14 || lfh.sig!=0x04034b50){
return false;
}
fread(&lfh.crc32,1,16,fp);
fread(name,1,lfh.name_len,fp);
name[lfh.name_len] = '\0';
{
int size = strlen(name);
int i = 0;
while(i<size && name[i]!='/'){
i++;
}
if(i<size){
memmove(name,&name[i+1],strlen(&name[i+1])+1);
}
}
data = static_cast<unsigned char*>(malloc(lfh.orig_size));
fread(data,1,lfh.comp_size,fp);
DeCompress(data,lfh.comp_size,lfh.orig_size);
{
char *s=name;
while((s=strstr(s,"/"))!=NULL){
*s = '\0';
CreateDirectory(name,NULL);
*s = '/';
s++;
}
FILE *wfp = fopen(name,"wb");
fwrite(data,1,lfh.orig_size,wfp);
fclose(wfp);
}
free(data);
return true;
}
bool Zip2Dir(const char *dir_name,const char *fn){
FILE *fp;
char prev_dir[256];
GetCurrentDirectory(256, prev_dir);
fp = fopen(fn,"rb");
if(fp==NULL){
return false;
}
SetCurrentDirectory(dir_name);
while(Extract(fp)){
//何もしない
}
fclose(fp);
SetCurrentDirectory(prev_dir);
return true;
}