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https://issues.apache.org/jira/browse/DIRSERVER-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740003#action_12740003
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Emmanuel Lecharny commented on DIRSERVER-1395:
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RFC 4514 states clearly the the '=' should *not* be escaped :
distinguishedName = [ relativeDistinguishedName *( COMMA
relativeDistinguishedName ) ]
relativeDistinguishedName = attributeTypeAndValue *( PLUS attributeTypeAndValue
)
attributeTypeAndValue = attributeType EQUALS attributeValue
attributeValue = string / hexstring
; The following characters are to be escaped when they appear
; in the value to be encoded: ESC, one of <escaped>, leading
; SHARP or SPACE, trailing SPACE, and NULL.
string = [ ( leadchar / pair ) [ *( stringchar / pair ) ( trailchar / pair )
] ]
leadchar = LUTF1 / UTFMB
LUTF1 = %x01-1F / %x21 / %x24-2A / %x2D-3A / %x3D / %x3F-5B / %x5D-7F ;; The '
', '"', '#', '+', ',', ';', '<', '>' and '\' are not part of this list
trailchar = TUTF1 / UTFMB
TUTF1 = %x01-1F / %x21 / %x23-2A / %x2D-3A / %x3D / %x3F-5B / %x5D-7F ;; The '
', '"', '#', '+', ',', ';', '<', '>' and '\' are not part of this list
stringchar = SUTF1 / UTFMB
SUTF1 = %x01-21 / %x23-2A / %x2D-3A / %x3D / %x3F-5B / %x5D-7F ;; The '"', '+',
',', ';', '<', '>' and '\' are not part of this list
pair = ESC ( ESC / special / hexpair )
special = escaped / SPACE / SHARP / EQUALS
escaped = DQUOTE / PLUS / COMMA / SEMI / LANGLE / RANGLE ;; The escaped chars
are '"', ',', ';', '<' and '>'
hexstring = SHARP 1*hexpair
hexpair = HEX HEX
> '=' is being escaped properly in RDN values
> -------------------------------------------
>
> Key: DIRSERVER-1395
> URL: https://issues.apache.org/jira/browse/DIRSERVER-1395
> Project: Directory ApacheDS
> Issue Type: Bug
> Components: ldap
> Affects Versions: 1.5.4, 1.0
> Environment: Windows XP
> Reporter: Norval Hope
> Attachments: rdn_value_with_equal.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> A colleague of mine discovered that due to a mistake in a boolean array
> (AttributeTypeAndValue.DN_ESCAPED_CHARS) the '=' character is not escaped
> during RDN normalization when it appears in a RDN value. This may be due to
> http://www.faqs.org/rfcs/rfc2253.html seemingly leaving it in "2.4.
> Converting an AttributeValue from ASN.1 to a String" but then including it in
> the "special = " BNF clause.
> The attached patch fixes the problem, adds a new testcase covering it and
> fixes a few other testcases which tested for the old (broken) behaviour.
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