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57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
package ldap
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import (
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"testing"
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"github.com/ps78674/goldap/message"
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)
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// resultCode round-trips a result response through its wire encoding
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// and pulls the result code back out of it. The goldap result types
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// expose setters but no getters, so the encoding is the only way to
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// read it back.
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func resultCode(t *testing.T, po message.ProtocolOp) int {
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t.Helper()
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m := message.NewLDAPMessageWithProtocolOp(po)
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message.SetMessageID(m, 1)
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b, err := m.Write()
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if err != nil {
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t.Fatalf("encoding response: %s", err)
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}
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raw := b.Bytes()
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// Descend from the LDAPMessage SEQUENCE into the protocolOp,
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// whose first element is always the resultCode for the result
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// types this server sends.
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var e error
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off := 0
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if _, off, e = message.ParseTagAndLength(raw, off); e != nil {
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t.Fatalf("message tag: %s", e)
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}
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var id message.TagAndLength
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if id, off, e = message.ParseTagAndLength(raw, off); e != nil {
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t.Fatalf("messageID tag: %s", e)
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}
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off += id.Length
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if _, off, e = message.ParseTagAndLength(raw, off); e != nil {
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t.Fatalf("protocolOp tag: %s", e)
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}
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codeTL, off, e := message.ParseTagAndLength(raw, off)
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if e != nil {
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t.Fatalf("resultCode tag: %s", e)
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}
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if codeTL.Tag != 0x0a {
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t.Fatalf("first element of the protocolOp is tag %d, want 10 (ENUMERATED)", codeTL.Tag)
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}
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if off+codeTL.Length > len(raw) {
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t.Fatal("result code truncated")
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}
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code := 0
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for _, b := range raw[off : off+codeTL.Length] {
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code = code<<8 | int(b)
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}
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return code
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}
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