diff options
Diffstat (limited to 'java/ssl/jdk1.4/IceSSL/RFC2253.java')
| -rw-r--r-- | java/ssl/jdk1.4/IceSSL/RFC2253.java | 417 |
1 files changed, 0 insertions, 417 deletions
diff --git a/java/ssl/jdk1.4/IceSSL/RFC2253.java b/java/ssl/jdk1.4/IceSSL/RFC2253.java deleted file mode 100644 index 601f8622aa4..00000000000 --- a/java/ssl/jdk1.4/IceSSL/RFC2253.java +++ /dev/null @@ -1,417 +0,0 @@ -// ********************************************************************** -// -// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved. -// -// This copy of Ice is licensed to you under the terms described in the -// ICE_LICENSE file included in this distribution. -// -// ********************************************************************** - -package IceSSL; - -// -// See RFC 2253 and RFC 1779. -// -class RFC2253 -{ - static class ParseException extends Ice.LocalException - { - public ParseException() - { - } - - public ParseException(String reason) - { - this.reason = reason; - } - - public String - ice_name() - { - return "RFC2253::ParseException"; - } - - public String reason; - } - - static class RDNPair - { - String key; - String value; - } - - static private class ParseState - { - String data; - int pos; - } - - public static java.util.List - parse(String data) - throws ParseException - { - java.util.List results = new java.util.LinkedList(); - java.util.List current = new java.util.LinkedList(); - ParseState state = new ParseState(); - state.data = data; - state.pos = 0; - while(state.pos < state.data.length()) - { - current.add(parseNameComponent(state)); - eatWhite(state); - if(state.pos < state.data.length() && state.data.charAt(state.pos) == ',') - { - ++state.pos; - } - else if(state.pos < state.data.length() && state.data.charAt(state.pos) == ';') - { - ++state.pos; - results.add(current); - current = new java.util.LinkedList(); - } - else if(state.pos < state.data.length()) - { - throw new ParseException("expected ',' or ';' at `" + state.data.substring(state.pos) + "'"); - } - } - if(!current.isEmpty()) - { - results.add(current); - } - - return results; - } - - public static java.util.List - parseStrict(String data) - throws ParseException - { - java.util.List results = new java.util.LinkedList(); - ParseState state = new ParseState(); - state.data = data; - state.pos = 0; - while(state.pos < state.data.length()) - { - results.add(parseNameComponent(state)); - eatWhite(state); - if(state.pos < state.data.length() && - (state.data.charAt(state.pos) == ',' || state.data.charAt(state.pos) == ';')) - { - ++state.pos; - } - else if(state.pos < state.data.length()) - { - throw new ParseException("expected ',' or ';' at `" + state.data.substring(state.pos) + "'"); - } - } - return results; - } - - private static RDNPair - parseNameComponent(ParseState state) - throws ParseException - { - RDNPair result = parseAttributeTypeAndValue(state); - while(state.pos < state.data.length()) - { - eatWhite(state); - if(state.pos < state.data.length() && state.data.charAt(state.pos) == '+') - { - ++state.pos; - } - else - { - break; - } - RDNPair p = parseAttributeTypeAndValue(state); - result.value += "+"; - result.value += p.key; - result.value += '='; - result.value += p.value; - } - return result; - } - - private static RDNPair - parseAttributeTypeAndValue(ParseState state) - throws ParseException - { - RDNPair p = new RDNPair(); - p.key = parseAttributeType(state); - eatWhite(state); - if(state.pos >= state.data.length()) - { - throw new ParseException("invalid attribute type/value pair (unexpected end of state.data)"); - } - if(state.data.charAt(state.pos) != '=') - { - throw new ParseException("invalid attribute type/value pair (missing =)"); - } - ++state.pos; - p.value = parseAttributeValue(state); - return p; - } - - private static String - parseAttributeType(ParseState state) - throws ParseException - { - eatWhite(state); - if(state.pos >= state.data.length()) - { - throw new ParseException("invalid attribute type (expected end of state.data)"); - } - - String result = new String(); - - // - // RFC 1779. - // <key> ::= 1*( <keychar> ) | "OID." <oid> | "oid." <oid> - // <oid> ::= <digitString> | <digitstring> "." <oid> - // RFC 2253: - // attributeType = (ALPHA 1*keychar) | oid - // keychar = ALPHA | DIGIT | "-" - // oid = 1*DIGIT *("." 1*DIGIT) - // - // In section 4 of RFC 2253 the document says: - // Implementations MUST allow an oid in the attribute type to be - // prefixed by one of the character Strings "oid." or "OID.". - // - // Here we must also check for "oid." and "OID." before parsing - // according to the ALPHA KEYCHAR* rule. - // - // First the OID case. - // - if(Character.isDigit(state.data.charAt(state.pos)) || - (state.data.length() - state.pos >= 4 && (state.data.substring(state.pos, state.pos + 4) == "oid." || - state.data.substring(state.pos, state.pos + 4) == "OID."))) - { - if(!Character.isDigit(state.data.charAt(state.pos))) - { - result += state.data.substring(state.pos, state.pos + 4); - state.pos += 4; - } - - while(true) - { - // 1*DIGIT - while(state.pos < state.data.length() && Character.isDigit(state.data.charAt(state.pos))) - { - result += state.data.charAt(state.pos); - ++state.pos; - } - // "." 1*DIGIT - if(state.pos < state.data.length() && state.data.charAt(state.pos) == '.') - { - result += state.data.charAt(state.pos); - ++state.pos; - // 1*DIGIT must follow "." - if(state.pos < state.data.length() && !Character.isDigit(state.data.charAt(state.pos))) - { - throw new ParseException("invalid attribute type (expected end of state.data)"); - } - } - else - { - break; - } - } - } - else if(Character.isUpperCase(state.data.charAt(state.pos)) || - Character.isLowerCase(state.data.charAt(state.pos))) - { - // - // The grammar is wrong in this case. It should be ALPHA - // KEYCHAR* otherwise it will not accept "O" as a valid - // attribute type. - // - result += state.data.charAt(state.pos); - ++state.pos; - // 1* KEYCHAR - while(state.pos < state.data.length() && - (Character.isDigit(state.data.charAt(state.pos)) || - Character.isUpperCase(state.data.charAt(state.pos)) || - Character.isLowerCase(state.data.charAt(state.pos)) || - state.data.charAt(state.pos) == '-')) - { - result += state.data.charAt(state.pos); - ++state.pos; - } - } - else - { - throw new ParseException("invalid attribute type"); - } - return result; - } - - private static String - parseAttributeValue(ParseState state) - throws ParseException - { - eatWhite(state); - String result = new String(); - if(state.pos >= state.data.length()) - { - return result; - } - - // - // RFC 2253 - // # hexString - // - if(state.data.charAt(state.pos) == '#') - { - result += state.data.charAt(state.pos); - ++state.pos; - while(true) - { - String h = parseHexPair(state, true); - if(h.length() == 0) - { - break; - } - result += h; - } - } - // - // RFC 2253 - // QUOTATION *( quotechar | pair ) QUOTATION ; only from v2 - // quotechar = <any character except "\" or QUOTATION > - // - else if(state.data.charAt(state.pos) == '"') - { - result += state.data.charAt(state.pos); - ++state.pos; - while(true) - { - if(state.pos >= state.data.length()) - { - throw new ParseException("invalid attribute value (unexpected end of state.data)"); - } - // final terminating " - if(state.data.charAt(state.pos) == '"') - { - result += state.data.charAt(state.pos); - ++state.pos; - break; - } - // any character except '\' - else if(state.data.charAt(state.pos) != '\\') - { - result += state.data.charAt(state.pos); - ++state.pos; - } - // pair '\' - else - { - result += parsePair(state); - } - } - } - // - // RFC 2253 - // * (Stringchar | pair) - // Stringchar = <any character except one of special, "\" or QUOTATION > - // - else - { - while(state.pos < state.data.length()) - { - if(state.data.charAt(state.pos) == '\\') - { - result += parsePair(state); - } - else if(special.indexOf(state.data.charAt(state.pos)) == -1 && state.data.charAt(state.pos) != '"') - { - result += state.data.charAt(state.pos); - ++state.pos; - } - else - { - break; - } - } - } - return result; - } - - // - // RFC2253: - // pair = "\" ( special | "\" | QUOTATION | hexpair ) - // - private static String - parsePair(ParseState state) - throws ParseException - { - String result = new String(); - - assert(state.data.charAt(state.pos) == '\\'); - result += state.data.charAt(state.pos); - ++state.pos; - - if(state.pos >= state.data.length()) - { - throw new ParseException("invalid escape format (unexpected end of state.data)"); - } - - if(special.indexOf(state.data.charAt(state.pos)) != -1 || state.data.charAt(state.pos) != '\\' || - state.data.charAt(state.pos) != '"') - { - result += state.data.charAt(state.pos); - ++state.pos; - return result; - } - return parseHexPair(state, false); - } - - // - // RFC 2253 - // hexpair = hexchar hexchar - // - private static String - parseHexPair(ParseState state, boolean allowEmpty) - throws ParseException - { - String result = new String(); - if(state.pos < state.data.length() && hexvalid.indexOf(state.data.charAt(state.pos)) != -1) - { - result += state.data.charAt(state.pos); - ++state.pos; - } - if(state.pos < state.data.length() && hexvalid.indexOf(state.data.charAt(state.pos)) != -1) - { - result += state.data.charAt(state.pos); - ++state.pos; - } - if(result.length() != 2) - { - if(allowEmpty && result.length() == 0) - { - return result; - } - throw new ParseException("invalid hex format"); - } - return result; - } - - // - // RFC 2253: - // - // Implementations MUST allow for space (' ' ASCII 32) characters to be - // present between name-component and ',', between attributeTypeAndValue - // and '+', between attributeType and '=', and between '=' and - // attributeValue. These space characters are ignored when parsing. - // - private static void - eatWhite(ParseState state) - { - while(state.pos < state.data.length() && state.data.charAt(state.pos) == ' ') - { - ++state.pos; - } - } - - private final static String special = ",=+<>#;"; - private final static String hexvalid = "0123456789abcdefABCDEF"; -} |