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1
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<?php
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2
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//set variable for custom title
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3
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$ipsec_title = "IPsec";
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4
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5
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function get_ipsec_tunnel_sad() {
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6
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/* query SAD */
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7
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$fd = @popen("/sbin/setkey -D", "r");
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8
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$sad = array();
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9
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if ($fd) {
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10
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while (!feof($fd)) {
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11
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$line = chop(fgets($fd));
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12
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if (!$line)
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13
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continue;
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14
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if ($line == "No SAD entries.")
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15
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break;
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16
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if ($line[0] != "\t") {
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17
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if (is_array($cursa))
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18
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$sad[] = $cursa;
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19
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$cursa = array();
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20
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list($cursa['src'],$cursa['dst']) = explode(" ", $line);
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21
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$i = 0;
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22
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} else {
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23
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$linea = explode(" ", trim($line));
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24
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if ($i == 1) {
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25
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$cursa['proto'] = $linea[0];
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26
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$cursa['spi'] = substr($linea[2], strpos($linea[2], "x")+1, -1);
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27
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} else if ($i == 2) {
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28
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$cursa['ealgo'] = $linea[1];
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29
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} else if ($i == 3) {
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30
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$cursa['aalgo'] = $linea[1];
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31
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}
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32
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}
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33
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$i++;
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34
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}
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35
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if (is_array($cursa) && count($cursa))
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36
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$sad[] = $cursa;
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37
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pclose($fd);
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38
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}
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39
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return($sad);
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40
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}
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41
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42
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function get_ipsec_tunnel_src($tunnel) {
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43
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global $g, $config, $sad;
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44
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$if = "WAN";
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45
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if ($tunnel['interface']) {
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46
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$if = $tunnel['interface'];
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47
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$realinterface = convert_friendly_interface_to_real_interface_name($if);
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48
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$interfaceip = find_interface_ip($realinterface);
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49
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}
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50
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return $interfaceip;
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51
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}
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52
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53
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function output_ipsec_tunnel_status($tunnel) {
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54
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global $g, $config, $sad;
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55
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$if = "WAN";
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56
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$interfaceip = get_ipsec_tunnel_src($tunnel);
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57
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$foundsrc = false;
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58
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$founddst = false;
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59
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60
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if(!is_array($sad)) {
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61
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/* we have no sad array, bail */
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62
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return(false);
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63
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}
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64
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foreach($sad as $sa) {
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65
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if($sa['src'] == $interfaceip)
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66
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$foundsrc = true;
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67
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if($sa['dst'] == $tunnel['remote-gateway'])
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68
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$founddst = true;
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69
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}
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70
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if($foundsrc && $founddst) {
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71
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/* tunnel is up */
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72
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$iconfn = "pass";
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73
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return(true);
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74
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} else {
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75
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/* tunnel is down */
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76
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$iconfn = "reject";
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77
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return(false);
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78
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}
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79
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}
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80
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81
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?>
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