71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
package message
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import "fmt"
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//
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// Filter ::= CHOICE {
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// and [0] SET SIZE (1..MAX) OF filter Filter,
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// or [1] SET SIZE (1..MAX) OF filter Filter,
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// not [2] Filter,
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// equalityMatch [3] AttributeValueAssertion,
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//
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//
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//
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//Sermersheim Standards Track [Page 57]
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//
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//
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//RFC 4511 LDAPv3 June 2006
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//
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//
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// substrings [4] SubstringFilter,
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// greaterOrEqual [5] AttributeValueAssertion,
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// lessOrEqual [6] AttributeValueAssertion,
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// present [7] AttributeDescription,
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// approxMatch [8] AttributeValueAssertion,
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// extensibleMatch [9] MatchingRuleAssertion,
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// ... }
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func readFilter(bytes *Bytes) (filter Filter, err error) {
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var tagAndLength TagAndLength
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tagAndLength, err = bytes.PreviewTagAndLength()
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if err != nil {
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err = LdapError{fmt.Sprintf("readFilter:\n%s", err.Error())}
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return
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}
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err = tagAndLength.ExpectClass(classContextSpecific)
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if err != nil {
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err = LdapError{fmt.Sprintf("readFilter:\n%s", err.Error())}
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return
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}
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switch tagAndLength.Tag {
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case TagFilterAnd:
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filter, err = readFilterAnd(bytes)
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case TagFilterOr:
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filter, err = readFilterOr(bytes)
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case TagFilterNot:
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filter, err = readFilterNot(bytes)
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case TagFilterEqualityMatch:
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filter, err = readFilterEqualityMatch(bytes)
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case TagFilterSubstrings:
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filter, err = readFilterSubstrings(bytes)
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case TagFilterGreaterOrEqual:
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filter, err = readFilterGreaterOrEqual(bytes)
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case TagFilterLessOrEqual:
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filter, err = readFilterLessOrEqual(bytes)
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case TagFilterPresent:
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filter, err = readFilterPresent(bytes)
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case TagFilterApproxMatch:
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filter, err = readFilterApproxMatch(bytes)
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case TagFilterExtensibleMatch:
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filter, err = readFilterExtensibleMatch(bytes)
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default:
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err = LdapError{fmt.Sprintf("readFilter: invalid tag value %d for filter", tagAndLength.Tag)}
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return
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}
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if err != nil {
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err = LdapError{fmt.Sprintf("readFilter:\n%s", err.Error())}
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return
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}
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return
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}
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