35 lines
593 B
Go
35 lines
593 B
Go
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package main
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import (
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"errors"
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)
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func (s *OpenVpnMgt) isFree(ip string) bool {
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for _, remote := range s.clients {
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for _, c := range remote {
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if c.PrivIP == ip {
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return false
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}
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}
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}
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return true
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}
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// internal DHCP
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func (s *OpenVpnMgt) getIP(c *vpnSession) (string, error) {
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s.m.Lock()
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defer s.m.Unlock()
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ipmax := nextIP(s.ldap[c.Profile].ipMax).String()
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sip := s.ldap[c.Profile].ipMin.String()
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for ip := s.ldap[c.Profile].ipMin; sip != ipmax; ip = nextIP(ip) {
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sip = ip.String()
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if s.isFree(sip) {
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return sip, nil
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}
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}
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return "", errors.New("no more IP")
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}
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