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35 lines
859 B
Go
35 lines
859 B
Go
package ldap
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import (
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"errors"
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"strings"
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"github.com/ps78674/goldap/message"
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)
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// entityIDFromDN parses out an ID from a given DN. This only works
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// for ID's that don't contain an escaped comma, but these aren't
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// valid in NetAuth anyway, so this is taken as a known defect.
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func (s *server) entityIDFromDN(dn message.LDAPDN) (string, error) {
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parts := strings.Split(string(dn), ",")
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for i := range parts {
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parts[i] = strings.TrimSpace(parts[i])
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}
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if !strings.HasPrefix(parts[0], "uid=") {
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return "", errors.New("entity DN must start with uid=")
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}
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if parts[1] != "ou=entities" {
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return "", errors.New("entity DN is underneath ou=entities")
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}
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for i, p := range parts[2:] {
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if p != s.nc[i] {
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return "", errors.New("queries must be rooted at " + strings.Join(s.nc, ","))
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}
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}
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return strings.TrimPrefix(parts[0], "uid="), nil
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}
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