From: Ivan Sorokin Date: Wed, 22 May 2024 13:07:35 +0200 Subject: Use system locale to select codepage for legacy zip archives Origin: https://sourceforge.net/p/sevenzip/bugs/2473/ Forwarded: not-needed Fixes https://sourceforge.net/p/sevenzip/bugs/2473/ --- CPP/7zip/Archive/Zip/ZipItem.cpp | 186 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 184 insertions(+), 2 deletions(-) diff --git a/CPP/7zip/Archive/Zip/ZipItem.cpp b/CPP/7zip/Archive/Zip/ZipItem.cpp index 272e53b..47f6178 100644 --- a/CPP/7zip/Archive/Zip/ZipItem.cpp +++ b/CPP/7zip/Archive/Zip/ZipItem.cpp @@ -1,5 +1,12 @@ // Archive/ZipItem.cpp +#ifndef _WIN32 +#include +#include +#include +#include +#endif + #include "StdAfx.h" #include "../../../../C/CpuArch.h" @@ -450,8 +457,183 @@ void CItem::GetUnicodeString(UString &res, const AString &s, bool isComment, boo } #endif } - - + + #ifndef _WIN32 + + // Convert OEM char set to UTF-8 if needed + // Use system locale to select code page + + // 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@cyrillic", "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@latin", "CP852", + "sr_RS", "CP855", "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@cyrillic", "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@cyrillic", "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@latin", "CP1250", + "sr_RS", "CP1251", "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@cyrillic", "CP1251", "uz_UZ", "CP1254", "vi_VN", "CP1258", + "wa_BE", "CP1252", "zh_HK", "CP950", "zh_SG", "CP936"}; + + bool isOem = false; + bool isAnsi = 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; + } + + const char *legacyCp = nullptr; + const char *legacyCpAnsi = nullptr; + + if (isOem || isAnsi || (useSpecifiedCodePage && (codePage != 65001))) { + + int tableLen = sizeof(lcToOemTable) / sizeof(lcToOemTable[0]); + int lcLen = 0, i; + + // Detect required code page name from current locale + char *lc = setlocale(LC_CTYPE, ""); + if (!lc || !lc[0]) { + lc = getenv("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, (lcToOemTable[i]), lcLen) == 0) { + legacyCp = lcToOemTable[i + 1]; + legacyCpAnsi = lcToAnsiTable[i + 1]; + break; // Stop searching once a match is found + } + + if (!legacyCp) { + legacyCp = "CP437"; + legacyCpAnsi = "CP1252"; + } + + char specCP[20]; + if (useSpecifiedCodePage) { + if (codePage == 0) { + strncpy(specCP, legacyCpAnsi, sizeof(legacyCpAnsi) - 1); + specCP[sizeof(legacyCpAnsi) - 1] = '\0'; + } + else if (codePage == 1) { + strncpy(specCP, legacyCp, sizeof(legacyCp) - 1); + specCP[sizeof(legacyCp) - 1] = '\0'; } + else { + snprintf(specCP, sizeof(specCP), "CP%d", codePage); + } + } + + iconv_t cd; + if ((cd = iconv_open("UTF-8", useSpecifiedCodePage ? specCP : (isOem ? legacyCp : legacyCpAnsi))) != (iconv_t)-1) { + + AString sUtf8; + + unsigned slen = s.Len(); + char* src = s.Ptr_non_const(); + + unsigned dlen = slen * 4 + 1; // (source length * 4) + null termination + char* dst = sUtf8.GetBuf_SetEnd(dlen); + const char* dstStart = dst; + + memset(dst, 0, dlen); + + size_t slen_size_t = static_cast(slen); + size_t dlen_size_t = static_cast(dlen); + size_t done = iconv(cd, &src, &slen_size_t, &dst, &dlen_size_t); + + 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); + + size_t dstCorrectLength = dst - dstStart; + sUtf8.ReleaseBuf_SetEnd(static_cast(dstCorrectLength)); + + if (ConvertUTF8ToUnicode(sUtf8, res) /*|| ignore_Utf8_Errors*/) + return; + } + } + } + #endif + if (isUtf8) { ConvertUTF8ToUnicode(s, res);