diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/go-ldap/ldap/dn.go')
| -rw-r--r-- | Godeps/_workspace/src/github.com/go-ldap/ldap/dn.go | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/Godeps/_workspace/src/github.com/go-ldap/ldap/dn.go b/Godeps/_workspace/src/github.com/go-ldap/ldap/dn.go deleted file mode 100644 index 5d83c5e9a..000000000 --- a/Godeps/_workspace/src/github.com/go-ldap/ldap/dn.go +++ /dev/null @@ -1,155 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. -// -// File contains DN parsing functionallity -// -// https://tools.ietf.org/html/rfc4514 -// -// distinguishedName = [ relativeDistinguishedName -// *( COMMA relativeDistinguishedName ) ] -// relativeDistinguishedName = attributeTypeAndValue -// *( PLUS attributeTypeAndValue ) -// attributeTypeAndValue = attributeType EQUALS attributeValue -// attributeType = descr / numericoid -// 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 -// -// trailchar = TUTF1 / UTFMB -// TUTF1 = %x01-1F / %x21 / %x23-2A / %x2D-3A / -// %x3D / %x3F-5B / %x5D-7F -// -// stringchar = SUTF1 / UTFMB -// SUTF1 = %x01-21 / %x23-2A / %x2D-3A / -// %x3D / %x3F-5B / %x5D-7F -// -// pair = ESC ( ESC / special / hexpair ) -// special = escaped / SPACE / SHARP / EQUALS -// escaped = DQUOTE / PLUS / COMMA / SEMI / LANGLE / RANGLE -// hexstring = SHARP 1*hexpair -// hexpair = HEX HEX -// -// where the productions <descr>, <numericoid>, <COMMA>, <DQUOTE>, -// <EQUALS>, <ESC>, <HEX>, <LANGLE>, <NULL>, <PLUS>, <RANGLE>, <SEMI>, -// <SPACE>, <SHARP>, and <UTFMB> are defined in [RFC4512]. -// - -package ldap - -import ( - "bytes" - enchex "encoding/hex" - "errors" - "fmt" - "strings" - - ber "gopkg.in/asn1-ber.v1" -) - -type AttributeTypeAndValue struct { - Type string - Value string -} - -type RelativeDN struct { - Attributes []*AttributeTypeAndValue -} - -type DN struct { - RDNs []*RelativeDN -} - -func ParseDN(str string) (*DN, error) { - dn := new(DN) - dn.RDNs = make([]*RelativeDN, 0) - rdn := new(RelativeDN) - rdn.Attributes = make([]*AttributeTypeAndValue, 0) - buffer := bytes.Buffer{} - attribute := new(AttributeTypeAndValue) - escaping := false - - for i := 0; i < len(str); i++ { - char := str[i] - if escaping { - escaping = false - switch char { - case ' ', '"', '#', '+', ',', ';', '<', '=', '>', '\\': - buffer.WriteByte(char) - continue - } - // Not a special character, assume hex encoded octet - if len(str) == i+1 { - return nil, errors.New("Got corrupted escaped character") - } - - dst := []byte{0} - n, err := enchex.Decode([]byte(dst), []byte(str[i:i+2])) - if err != nil { - return nil, errors.New( - fmt.Sprintf("Failed to decode escaped character: %s", err)) - } else if n != 1 { - return nil, errors.New( - fmt.Sprintf("Expected 1 byte when un-escaping, got %d", n)) - } - buffer.WriteByte(dst[0]) - i++ - } else if char == '\\' { - escaping = true - } else if char == '=' { - attribute.Type = buffer.String() - buffer.Reset() - // Special case: If the first character in the value is # the - // following data is BER encoded so we can just fast forward - // and decode. - if len(str) > i+1 && str[i+1] == '#' { - i += 2 - index := strings.IndexAny(str[i:], ",+") - data := str - if index > 0 { - data = str[i : i+index] - } else { - data = str[i:] - } - raw_ber, err := enchex.DecodeString(data) - if err != nil { - return nil, errors.New( - fmt.Sprintf("Failed to decode BER encoding: %s", err)) - } - packet := ber.DecodePacket(raw_ber) - buffer.WriteString(packet.Data.String()) - i += len(data) - 1 - } - } else if char == ',' || char == '+' { - // We're done with this RDN or value, push it - attribute.Value = buffer.String() - rdn.Attributes = append(rdn.Attributes, attribute) - attribute = new(AttributeTypeAndValue) - if char == ',' { - dn.RDNs = append(dn.RDNs, rdn) - rdn = new(RelativeDN) - rdn.Attributes = make([]*AttributeTypeAndValue, 0) - } - buffer.Reset() - } else { - buffer.WriteByte(char) - } - } - if buffer.Len() > 0 { - if len(attribute.Type) == 0 { - return nil, errors.New("DN ended with incomplete type, value pair") - } - attribute.Value = buffer.String() - rdn.Attributes = append(rdn.Attributes, attribute) - dn.RDNs = append(dn.RDNs, rdn) - } - return dn, nil -} |