gchar*
codeslayer_utils_get_utf8_text (const gchar *file_path)
{
gchar *contents;
gsize bytes;
const gchar *charset;
gchar *result;
gint lineend;
if (!g_file_get_contents (file_path, &contents, &bytes, NULL))
return NULL;
lineend = detect_line_ending (contents);
if (lineend != LF)
convert_line_ending_to_lf (contents);
charset = detect_charset (contents);
if (charset == NULL)
charset = get_default_charset ();
if (g_strcmp0 (charset, "UTF-8") == 0)
return contents;
result = g_convert (contents, -1, "UTF-8", charset, NULL, NULL, NULL);
g_free(contents);
return result;
}
bool CTar32::readdir_TAR(CTar32FileStatus &stat)
{
HEADER tar_header;
if(!readTarHeader(tar_header))return false;
//get tar format : GNU or POSIX
int tar_format=tar_header.getFormat();
// HP-UX's tar command create 100chars filename part. fixed on 2003.12.19
char tmp_name[COUNTOF(tar_header.dbuf.name)+1];
strncpy(tmp_name, tar_header.dbuf.name, COUNTOF(tar_header.dbuf.name));
tmp_name[COUNTOF(tar_header.dbuf.name)] = '\0';
stat.filename = tmp_name; /* tar_header.dbuf.name; */
stat.original_size = parseOctNum(tar_header.dbuf.size,COUNTOF(tar_header.dbuf.size));
if(tar_header.dbuf.typeflag == LNKTYPE){
// Fixed on 2003/11/28. For "spencer_pwb.tar.gz". Thanks to rollo-san.
stat.original_size = 0;
}
stat.blocksize = 512;
if(tar_header.dbuf.typeflag == LONGLINK){ // tar_header.dbuf.name == "././@LongLink"
//NOTE:TAR32.DLL earlier than 2.33 makes LONGLINK entry with POSIX header
tar_format=TAR_FORMAT_GNU;
//char longfilename[2000] = "";
std::vector<char> longfilename;
size64 readsize = (size_t(stat.original_size-1)/512+1)*512;
longfilename.resize((size_t)readsize+1); //TODO:size lost
size64 ret = m_pfile->read(&longfilename[0], readsize);
if(ret == 0){
throw CTar32Exception("can't get filename(LongLink)",ERROR_HEADER_BROKEN);
}
longfilename[(size_t)stat.original_size]='\0'; //TODO:size lost
if(!readTarHeader(tar_header))return false;
stat.filename = &longfilename[0];
stat.original_size = parseOctNum(tar_header.dbuf.size, COUNTOF(tar_header.dbuf.size));
}
bool bPaxFilenameSupplied=false;
time_t pax_atime=0,pax_ctime=0,pax_mtime=0;
if(tar_header.dbuf.typeflag == PAX_GLOBAL || tar_header.dbuf.typeflag == PAX_ENTRTY){
std::vector<char> content;
size64 readsize = (size_t(stat.original_size-1)/512+1)*512;
content.resize((size_t)readsize+1); //TODO:size lost
size64 ret = m_pfile->read(&content[0], readsize);
if(ret == 0){
throw CTar32Exception("can't get PAX Extended Global Header",ERROR_HEADER_BROKEN);
}
content[(size_t)stat.original_size]='\0'; //TODO:size lost
if(!readTarHeader(tar_header))return false;
stat.original_size = parseOctNum(tar_header.dbuf.size, COUNTOF(tar_header.dbuf.size));
strncpy(tmp_name, tar_header.dbuf.name, COUNTOF(tar_header.dbuf.name));
tmp_name[COUNTOF(tar_header.dbuf.name)] = '\0';
stat.filename = tmp_name; /* tar_header.dbuf.name; */
std::string extFilename;
size64 filesize;
if(!parsePaxExtHeader(&content[0],content.size(),extFilename,filesize,pax_atime,pax_ctime,pax_mtime)){
if(tar_header.dbuf.typeflag == PAX_GLOBAL){
throw CTar32Exception("Broken PAX Extended Global Header",ERROR_HEADER_BROKEN);
}else{
throw CTar32Exception("Broken PAX Extended Header",ERROR_HEADER_BROKEN);
}
}
if(tar_header.dbuf.typeflag == PAX_GLOBAL){
//global header
//TODO:need test
//if(filesize!=-1)m_currentfile_status.original_size=filesize;
}else{
//entry header
//TODO:need test
//if(filesize!=-1)stat.original_size=filesize;
if(!extFilename.empty()){
bPaxFilenameSupplied=true;
stat.filename=extFilename;
}
}
}
//charset conversion
if(m_archive_charset!=CHARSET_DONTCARE && !bPaxFilenameSupplied){
if(m_archive_charset==CHARSET_UNKNOWN){
//detect charset
m_archive_charset=detect_charset(stat.filename.c_str());
}
switch(m_archive_charset){
case CHARSET_EUCJP:
stat.filename=CConvertCharsetHelper::getInstance().eucjp_to_sjis(stat.filename.c_str(),stat.filename.size());
break;
case CHARSET_UTF8N: //FALLTHROUGH
case CHARSET_UTF8:
stat.filename=CConvertCharsetHelper::getInstance().utf8_to_sjis(stat.filename.c_str(),stat.filename.size());
break;
case CHARSET_JIS:
//FALLTHROUGH
/*
force to extract even if charset is not supported.
*/
//throw CTar32Exception("tar header charset error.",ERROR_NOT_SUPPORT);
//break;
case CHARSET_SJIS: //FALLTHROUGH
default:
//nothing to do
break;
}
}
stat.mode = strtol(tar_header.dbuf.mode, NULL, 8);
stat.uid = strtol(tar_header.dbuf.uid , NULL, 8);
stat.gid = strtol(tar_header.dbuf.gid , NULL, 8);
stat.mtime = strtol(tar_header.dbuf.mtime , NULL, 8);
stat.chksum = strtol(tar_header.dbuf.chksum , NULL, 8);
stat.typeflag = tar_header.dbuf.typeflag;
stat.linkname = tar_header.dbuf.linkname;
strncpy(stat.magic_version, tar_header.dbuf.magic,8);
strncpy(stat.uname, tar_header.dbuf.uname, 32);
strncpy(stat.gname, tar_header.dbuf.gname, 32);
stat.devmajor = strtol(tar_header.dbuf.devmajor , NULL, 8);
stat.devminor = strtol(tar_header.dbuf.devminor , NULL, 8);
if(tar_format==TAR_FORMAT_GNU){
stat.atime = strtol(tar_header.dbuf.exthead.gnu.atime , NULL, 8);
stat.ctime = strtol(tar_header.dbuf.exthead.gnu.ctime , NULL, 8);
stat.offset = parseOctNum(tar_header.dbuf.exthead.gnu.offset , COUNTOF(tar_header.dbuf.exthead.gnu.offset));
}else{ //POSIX
int length=min(COUNTOF(tar_header.dbuf.exthead.posix.prefix),strlen(tar_header.dbuf.exthead.posix.prefix));
if(length>0){
std::string prefix(tar_header.dbuf.exthead.posix.prefix,tar_header.dbuf.exthead.posix.prefix+length);
stat.filename= prefix + '/' + stat.filename;
}
}
if(pax_atime!=0)stat.atime=pax_atime;
if(pax_ctime!=0)stat.ctime=pax_ctime;
if(pax_mtime!=0)stat.mtime=pax_mtime;
if(stat.typeflag == DIRTYPE){
stat.mode &= ~_S_IFMT;
stat.mode |= _S_IFDIR;
}
if((stat.mode & _S_IFMT) == _S_IFDIR){
const char * f = stat.filename.c_str();
if((char*)max(_mbsrchr((unsigned char*)f, '/'), _mbsrchr((unsigned char*)f,'\\')) != f+strlen(f)-1){
stat.filename = stat.filename + "/";
}
}
return true;
}
