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apply p7zip-project#232 to p7zip17 also
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@unxed
unxed committed May 22, 2024
1 parent a45b883 commit afec5e1
Showing 1 changed file with 137 additions and 68 deletions.
205 changes: 137 additions & 68 deletions CPP/7zip/Archive/Zip/ZipItem.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -356,83 +356,152 @@ void CItem::GetUnicodeString(UString &res, const AString &s, bool isComment, boo
}

#if (!defined _WIN32) && (!defined __CYGWIN__) && (!defined __APPLE__)

// Convert OEM char set to UTF-8 if needed
// Use system locale to select code page

Byte hostOS = GetHostOS();
if (!isUtf8 && ((hostOS == NFileHeader::NHostOS::kFAT) || (hostOS == NFileHeader::NHostOS::kNTFS))) {

const char *oemcp;
oemcp = getenv("OEMCP");
if (!oemcp) {
oemcp = "CP437\0"; // CP name is 6 chars max

const char *lc_to_cp_table[] = {
"af_ZA", "CP850", "ar_SA", "CP720", "ar_LB", "CP720", "ar_EG", "CP720",
"ar_DZ", "CP720", "ar_BH", "CP720", "ar_IQ", "CP720", "ar_JO", "CP720",
"ar_KW", "CP720", "ar_LY", "CP720", "ar_MA", "CP720", "ar_OM", "CP720",
"ar_QA", "CP720", "ar_SY", "CP720", "ar_TN", "CP720", "ar_AE", "CP720",
"ar_YE", "CP720","ast_ES", "CP850", "az_AZ", "CP866", "az_AZ", "CP857",
"be_BY", "CP866", "bg_BG", "CP866", "br_FR", "CP850", "ca_ES", "CP850",
"zh_CN", "CP936", "zh_TW", "CP950", "kw_GB", "CP850", "cs_CZ", "CP852",
"cy_GB", "CP850", "da_DK", "CP850", "de_AT", "CP850", "de_LI", "CP850",
"de_LU", "CP850", "de_CH", "CP850", "de_DE", "CP850", "el_GR", "CP737",
"en_AU", "CP850", "en_CA", "CP850", "en_GB", "CP850", "en_IE", "CP850",
"en_JM", "CP850", "en_BZ", "CP850", "en_PH", "CP437", "en_ZA", "CP437",
"en_TT", "CP850", "en_US", "CP437", "en_ZW", "CP437", "en_NZ", "CP850",
"es_PA", "CP850", "es_BO", "CP850", "es_CR", "CP850", "es_DO", "CP850",
"es_SV", "CP850", "es_EC", "CP850", "es_GT", "CP850", "es_HN", "CP850",
"es_NI", "CP850", "es_CL", "CP850", "es_MX", "CP850", "es_ES", "CP850",
"es_CO", "CP850", "es_ES", "CP850", "es_PE", "CP850", "es_AR", "CP850",
"es_PR", "CP850", "es_VE", "CP850", "es_UY", "CP850", "es_PY", "CP850",
"et_EE", "CP775", "eu_ES", "CP850", "fa_IR", "CP720", "fi_FI", "CP850",
"fo_FO", "CP850", "fr_FR", "CP850", "fr_BE", "CP850", "fr_CA", "CP850",
"fr_LU", "CP850", "fr_MC", "CP850", "fr_CH", "CP850", "ga_IE", "CP437",
"gd_GB", "CP850", "gv_IM", "CP850", "gl_ES", "CP850", "he_IL", "CP862",
"hr_HR", "CP852", "hu_HU", "CP852", "id_ID", "CP850", "is_IS", "CP850",
"it_IT", "CP850", "it_CH", "CP850", "iv_IV", "CP437", "ja_JP", "CP932",
"kk_KZ", "CP866", "ko_KR", "CP949", "ky_KG", "CP866", "lt_LT", "CP775",
"lv_LV", "CP775", "mk_MK", "CP866", "mn_MN", "CP866", "ms_BN", "CP850",
"ms_MY", "CP850", "nl_BE", "CP850", "nl_NL", "CP850", "nl_SR", "CP850",
"nn_NO", "CP850", "nb_NO", "CP850", "pl_PL", "CP852", "pt_BR", "CP850",
"pt_PT", "CP850", "rm_CH", "CP850", "ro_RO", "CP852", "ru_RU", "CP866",
"sk_SK", "CP852", "sl_SI", "CP852", "sq_AL", "CP852", "sr_RS", "CP855",
"sr_RS", "CP852", "sv_SE", "CP850", "sv_FI", "CP850", "sw_KE", "CP437",
"th_TH", "CP874", "tr_TR", "CP857", "tt_RU", "CP866", "uk_UA", "CP866",
"ur_PK", "CP720", "uz_UZ", "CP866", "uz_UZ", "CP857", "vi_VN", "CP1258",
"wa_BE", "CP850", "zh_HK", "CP950", "zh_SG", "CP936"};
int table_len = sizeof(lc_to_cp_table) / sizeof(char *);
int lc_len, i;

char *lc = setlocale(LC_CTYPE, "");

if (lc && lc[0]) {
// Compare up to the dot, if it exists, e.g. en_US.UTF-8
for (lc_len = 0; lc[lc_len] != '.' && lc[lc_len] != '\0'; ++lc_len)
;
for (i = 0; i < table_len; i += 2)
if (strncmp(lc, lc_to_cp_table[i], lc_len) == 0)
oemcp = lc_to_cp_table[i + 1];
}
// locale -> code page translation tables generated from Wine source code

const char *lcToOemTable[] = {
"af_ZA", "CP850", "ar_SA", "CP720", "ar_LB", "CP720", "ar_EG", "CP720",
"ar_DZ", "CP720", "ar_BH", "CP720", "ar_IQ", "CP720", "ar_JO", "CP720",
"ar_KW", "CP720", "ar_LY", "CP720", "ar_MA", "CP720", "ar_OM", "CP720",
"ar_QA", "CP720", "ar_SY", "CP720", "ar_TN", "CP720", "ar_AE", "CP720",
"ar_YE", "CP720", "ast_ES", "CP850", "az_AZ", "CP866", "az_AZ", "CP857",
"be_BY", "CP866", "bg_BG", "CP866", "br_FR", "CP850", "ca_ES", "CP850",
"zh_CN", "CP936", "zh_TW", "CP950", "kw_GB", "CP850", "cs_CZ", "CP852",
"cy_GB", "CP850", "da_DK", "CP850", "de_AT", "CP850", "de_LI", "CP850",
"de_LU", "CP850", "de_CH", "CP850", "de_DE", "CP850", "el_GR", "CP737",
"en_AU", "CP850", "en_CA", "CP850", "en_GB", "CP850", "en_IE", "CP850",
"en_JM", "CP850", "en_BZ", "CP850", "en_PH", "CP437", "en_ZA", "CP437",
"en_TT", "CP850", "en_US", "CP437", "en_ZW", "CP437", "en_NZ", "CP850",
"es_PA", "CP850", "es_BO", "CP850", "es_CR", "CP850", "es_DO", "CP850",
"es_SV", "CP850", "es_EC", "CP850", "es_GT", "CP850", "es_HN", "CP850",
"es_NI", "CP850", "es_CL", "CP850", "es_MX", "CP850", "es_ES", "CP850",
"es_CO", "CP850", "es_ES", "CP850", "es_PE", "CP850", "es_AR", "CP850",
"es_PR", "CP850", "es_VE", "CP850", "es_UY", "CP850", "es_PY", "CP850",
"et_EE", "CP775", "eu_ES", "CP850", "fa_IR", "CP720", "fi_FI", "CP850",
"fo_FO", "CP850", "fr_FR", "CP850", "fr_BE", "CP850", "fr_CA", "CP850",
"fr_LU", "CP850", "fr_MC", "CP850", "fr_CH", "CP850", "ga_IE", "CP437",
"gd_GB", "CP850", "gv_IM", "CP850", "gl_ES", "CP850", "he_IL", "CP862",
"hr_HR", "CP852", "hu_HU", "CP852", "id_ID", "CP850", "is_IS", "CP850",
"it_IT", "CP850", "it_CH", "CP850", "iv_IV", "CP437", "ja_JP", "CP932",
"kk_KZ", "CP866", "ko_KR", "CP949", "ky_KG", "CP866", "lt_LT", "CP775",
"lv_LV", "CP775", "mk_MK", "CP866", "mn_MN", "CP866", "ms_BN", "CP850",
"ms_MY", "CP850", "nl_BE", "CP850", "nl_NL", "CP850", "nl_SR", "CP850",
"nn_NO", "CP850", "nb_NO", "CP850", "pl_PL", "CP852", "pt_BR", "CP850",
"pt_PT", "CP850", "rm_CH", "CP850", "ro_RO", "CP852", "ru_RU", "CP866",
"sk_SK", "CP852", "sl_SI", "CP852", "sq_AL", "CP852", "sr_RS", "CP855",
"sr_RS", "CP852", "sv_SE", "CP850", "sv_FI", "CP850", "sw_KE", "CP437",
"th_TH", "CP874", "tr_TR", "CP857", "tt_RU", "CP866", "uk_UA", "CP866",
"ur_PK", "CP720", "uz_UZ", "CP866", "uz_UZ", "CP857", "vi_VN", "CP1258",
"wa_BE", "CP850", "zh_HK", "CP950", "zh_SG", "CP936"};

const char *lcToAnsiTable[] = {
"af_ZA", "CP1252", "ar_SA", "CP1256", "ar_LB", "CP1256", "ar_EG", "CP1256",
"ar_DZ", "CP1256", "ar_BH", "CP1256", "ar_IQ", "CP1256", "ar_JO", "CP1256",
"ar_KW", "CP1256", "ar_LY", "CP1256", "ar_MA", "CP1256", "ar_OM", "CP1256",
"ar_QA", "CP1256", "ar_SY", "CP1256", "ar_TN", "CP1256", "ar_AE", "CP1256",
"ar_YE", "CP1256","ast_ES", "CP1252", "az_AZ", "CP1251", "az_AZ", "CP1254",
"be_BY", "CP1251", "bg_BG", "CP1251", "br_FR", "CP1252", "ca_ES", "CP1252",
"zh_CN", "CP936", "zh_TW", "CP950", "kw_GB", "CP1252", "cs_CZ", "CP1250",
"cy_GB", "CP1252", "da_DK", "CP1252", "de_AT", "CP1252", "de_LI", "CP1252",
"de_LU", "CP1252", "de_CH", "CP1252", "de_DE", "CP1252", "el_GR", "CP1253",
"en_AU", "CP1252", "en_CA", "CP1252", "en_GB", "CP1252", "en_IE", "CP1252",
"en_JM", "CP1252", "en_BZ", "CP1252", "en_PH", "CP1252", "en_ZA", "CP1252",
"en_TT", "CP1252", "en_US", "CP1252", "en_ZW", "CP1252", "en_NZ", "CP1252",
"es_PA", "CP1252", "es_BO", "CP1252", "es_CR", "CP1252", "es_DO", "CP1252",
"es_SV", "CP1252", "es_EC", "CP1252", "es_GT", "CP1252", "es_HN", "CP1252",
"es_NI", "CP1252", "es_CL", "CP1252", "es_MX", "CP1252", "es_ES", "CP1252",
"es_CO", "CP1252", "es_ES", "CP1252", "es_PE", "CP1252", "es_AR", "CP1252",
"es_PR", "CP1252", "es_VE", "CP1252", "es_UY", "CP1252", "es_PY", "CP1252",
"et_EE", "CP1257", "eu_ES", "CP1252", "fa_IR", "CP1256", "fi_FI", "CP1252",
"fo_FO", "CP1252", "fr_FR", "CP1252", "fr_BE", "CP1252", "fr_CA", "CP1252",
"fr_LU", "CP1252", "fr_MC", "CP1252", "fr_CH", "CP1252", "ga_IE", "CP1252",
"gd_GB", "CP1252", "gv_IM", "CP1252", "gl_ES", "CP1252", "he_IL", "CP1255",
"hr_HR", "CP1250", "hu_HU", "CP1250", "id_ID", "CP1252", "is_IS", "CP1252",
"it_IT", "CP1252", "it_CH", "CP1252", "iv_IV", "CP1252", "ja_JP", "CP932",
"kk_KZ", "CP1251", "ko_KR", "CP949", "ky_KG", "CP1251", "lt_LT", "CP1257",
"lv_LV", "CP1257", "mk_MK", "CP1251", "mn_MN", "CP1251", "ms_BN", "CP1252",
"ms_MY", "CP1252", "nl_BE", "CP1252", "nl_NL", "CP1252", "nl_SR", "CP1252",
"nn_NO", "CP1252", "nb_NO", "CP1252", "pl_PL", "CP1250", "pt_BR", "CP1252",
"pt_PT", "CP1252", "rm_CH", "CP1252", "ro_RO", "CP1250", "ru_RU", "CP1251",
"sk_SK", "CP1250", "sl_SI", "CP1250", "sq_AL", "CP1250", "sr_RS", "CP1251",
"sr_RS", "CP1250", "sv_SE", "CP1252", "sv_FI", "CP1252", "sw_KE", "CP1252",
"th_TH", "CP874", "tr_TR", "CP1254", "tt_RU", "CP1251", "uk_UA", "CP1251",
"ur_PK", "CP1256", "uz_UZ", "CP1251", "uz_UZ", "CP1254", "vi_VN", "CP1258",
"wa_BE", "CP1252", "zh_HK", "CP950", "zh_SG", "CP936"};

bool isAnsi = false;
bool isOem = false;

if (!isUtf8 &&
MadeByVersion.HostOS == NFileHeader::NHostOS::kNTFS &&
MadeByVersion.Version >= 20) {
isAnsi = true;
} else if (!isUtf8 &&
(MadeByVersion.HostOS == NFileHeader::NHostOS::kNTFS ||
MadeByVersion.HostOS == NFileHeader::NHostOS::kFAT)) {
isOem = true;
}

if (isOem || isAnsi) {

const char *legacyCp = nullptr;
int tableLen = sizeof(isOem ? lcToOemTable : lcToAnsiTable) / sizeof(char *);
int lcLen = 0, i;

// Detect required code page name from current locale
char *lc = setlocale(LC_CTYPE, "");

if (lc && lc[0]) {
// Compare up to the dot, if it exists, e.g. en_US.UTF-8
for (lcLen = 0; lc[lcLen] != '.' && lc[lcLen] != ':' && lc[lcLen] != '\0'; ++lcLen);

for (i = 0; i < tableLen; i += 2)
if (strncmp(lc, (isOem ? lcToOemTable[i] : lcToAnsiTable[i]), lcLen) == 0) {
legacyCp = isOem ? lcToOemTable[i + 1] : lcToAnsiTable[i + 1];
break; // Stop searching once a match is found
}
}

iconv_t cd;
if ((cd = iconv_open("UTF-8", oemcp)) != (iconv_t)-1) {
if (legacyCp) {
iconv_t cd;
if ((cd = iconv_open("UTF-8", legacyCp)) != (iconv_t)-1) {

AString s_utf8;
const char* src = s.Ptr();
size_t slen = s.Len();
size_t dlen = slen * 4;
const char* dest = s_utf8.GetBuf_SetEnd(dlen + 1); // (source length * 4) + null termination
AString sUtf8;

size_t done = iconv(cd, (char**)&src, &slen, (char**)&dest, &dlen);
bzero((size_t*)dest + done, 1);
size_t slen = s.Len();
char* src = const_cast<char*>(s.Ptr());

iconv_close(cd);
size_t dlen = slen * 4 + 1; // (source length * 4) + null termination
char* dst = sUtf8.GetBuf_SetEnd(dlen);
const char* dstStart = dst;

if (ConvertUTF8ToUnicode(s_utf8, res) || ignore_Utf8_Errors)
return;
}
memset(dst, 0, dlen);

size_t done = iconv(cd, &src, &slen, &dst, &dlen);

if (done == (size_t)-1) {
iconv_close(cd);

// iconv failed. Falling back to default behavior
MultiByteToUnicodeString2(res, s, useSpecifiedCodePage ? codePage : GetCodePage());
return;
}

// Null-terminate the result
*dst = '\0';

iconv_close(cd);

AString sUtf8CorrectLength;
unsigned dstCorrectLength = dst - dstStart;
sUtf8CorrectLength.SetFrom(sUtf8, dstCorrectLength);
if (ConvertUTF8ToUnicode(sUtf8CorrectLength, res) /*|| ignore_Utf8_Errors*/)
return;
}
}
}
#endif

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