/* Function: ToASCII Used by System.Globalization.IdnMapping.GetAsciiCore to convert an Unicode domain name to ASCII Return values: 0: internal error during conversion. >0: the length of the converted string (not including the null terminator). */ extern "C" int32_t GlobalizationNative_ToAscii( uint32_t flags, const UChar* lpSrc, int32_t cwSrcLength, UChar* lpDst, int32_t cwDstLength) { UErrorCode err = U_ZERO_ERROR; UIDNAInfo info = UIDNA_INFO_INITIALIZER; UIDNA* pIdna = uidna_openUTS46(GetOptions(flags), &err); int32_t asciiStrLen = uidna_nameToASCII(pIdna, lpSrc, cwSrcLength, lpDst, cwDstLength, &info, &err); uidna_close(pIdna); return ((U_SUCCESS(err) || (err == U_BUFFER_OVERFLOW_ERROR)) && (info.errors == 0)) ? asciiStrLen : 0; }
static void _add_punycode_if_needed(UIDNA *idna, _psl_vector_t *v, _psl_entry_t *e) { if (_str_is_ascii(e->label_buf)) return; /* IDNA2008 UTS#46 punycode conversion */ if (idna) { char lookupname[128] = ""; UErrorCode status = 0; UIDNAInfo info = UIDNA_INFO_INITIALIZER; UChar utf16_dst[128], utf16_src[128]; int32_t utf16_src_length; u_strFromUTF8(utf16_src, sizeof(utf16_src)/sizeof(utf16_src[0]), &utf16_src_length, e->label_buf, -1, &status); if (U_SUCCESS(status)) { int32_t dst_length = uidna_nameToASCII(idna, utf16_src, utf16_src_length, utf16_dst, sizeof(utf16_dst)/sizeof(utf16_dst[0]), &info, &status); if (U_SUCCESS(status)) { u_strToUTF8(lookupname, sizeof(lookupname), NULL, utf16_dst, dst_length, &status); if (U_SUCCESS(status)) { if (strcmp(e->label_buf, lookupname)) { _psl_entry_t suffix, *suffixp; /* fprintf(stderr, "libicu '%s' -> '%s'\n", e->label_buf, lookupname); */ _suffix_init(&suffix, lookupname, strlen(lookupname)); suffix.wildcard = e->wildcard; suffixp = _vector_get(v, _vector_add(v, &suffix)); suffixp->label = suffixp->label_buf; /* set label to changed address */ } /* else ignore */ } /* else fprintf(stderr, "Failed to convert UTF-16 to UTF-8 (status %d)\n", status); */ } /* else fprintf(stderr, "Failed to convert to ASCII (status %d)\n", status); */ } /* else fprintf(stderr, "Failed to convert UTF-8 to UTF-16 (status %d)\n", status); */ } }
static void php_intl_idn_to(INTERNAL_FUNCTION_PARAMETERS, const zend_string *domain, uint32_t option, int mode) { UChar* ustring = NULL; int ustring_len = 0; UErrorCode status; zend_string *u8str; /* convert the string to UTF-16. */ status = U_ZERO_ERROR; intl_convert_utf8_to_utf16(&ustring, &ustring_len, ZSTR_VAL(domain), ZSTR_LEN(domain), &status); if (U_FAILURE(status)) { intl_error_set_code(NULL, status); /* Set error messages. */ intl_error_set_custom_msg( NULL, "Error converting input string to UTF-16", 0 ); if (ustring) { efree(ustring); } RETURN_FALSE; } else { UChar converted[MAXPATHLEN]; int32_t converted_ret_len; status = U_ZERO_ERROR; #if U_ICU_VERSION_MAJOR_NUM >= 55 UIDNAInfo info = UIDNA_INFO_INITIALIZER; UIDNA *idna = uidna_openUTS46((int32_t)option, &status); if (U_FAILURE(status)) { intl_error_set( NULL, status, "idn_to_ascii: failed to create an UIDNA instance", 0 ); RETURN_FALSE; } if (mode == INTL_IDN_TO_ASCII) { converted_ret_len = uidna_nameToASCII(idna, ustring, ustring_len, converted, MAXPATHLEN, &info, &status); } else { converted_ret_len = uidna_nameToUnicode(idna, ustring, ustring_len, converted, MAXPATHLEN, &info, &status); } uidna_close(idna); #else UParseError parse_error; if (mode == INTL_IDN_TO_ASCII) { converted_ret_len = uidna_IDNToASCII(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status); } else { converted_ret_len = uidna_IDNToUnicode(ustring, ustring_len, converted, MAXPATHLEN, (int32_t)option, &parse_error, &status); } #endif efree(ustring); if (U_FAILURE(status)) { intl_error_set( NULL, status, "idn_to_ascii: cannot convert to ASCII", 0 ); RETURN_FALSE; } status = U_ZERO_ERROR; u8str = intl_convert_utf16_to_utf8(converted, converted_ret_len, &status); if (!u8str) { /* Set global error code. */ intl_error_set_code(NULL, status); /* Set error messages. */ intl_error_set_custom_msg( NULL, "Error converting output string to UTF-8", 0 ); RETURN_FALSE; } } /* return the allocated string, not a duplicate */ RETVAL_NEW_STR(u8str); }