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67baa452 MT |
1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2017 IPFire Network Development Team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | LOG_DISABLE_STDOUT="true" | |
23 | ||
24 | . /usr/lib/network/functions | |
25 | ||
26 | # Read network settings | |
27 | network_settings_read | |
28 | ||
29 | # Make sure we are called by strongSwan | |
30 | assert isset PLUTO_VERSION | |
31 | ||
93a9eeb0 JS |
32 | if enabled DEBUG; then |
33 | while read line; do | |
34 | [[ ${line} =~ ^PLUTO_ ]] || continue | |
35 | log DEBUG " ${line}" | |
36 | done <<< "$(printenv | sort)" | |
37 | fi | |
38 | ||
67baa452 MT |
39 | CONNECTION="${PLUTO_CONNECTION}" |
40 | ||
41 | if ! ipsec_connection_read_config "${CONNECTION}"; then | |
42 | log ERROR "Could not read configuration for ${CONNECTION}" | |
43 | exit ${EXIT_ERROR} | |
44 | fi | |
45 | ||
202aa309 MT |
46 | # Interface name for this IPsec connection |
47 | case "${MODE}" in | |
48 | gre-*|vti) | |
49 | INTERFACE="ipsec-${CONNECTION}" | |
50 | ;; | |
51 | esac | |
52 | ||
67baa452 MT |
53 | log DEBUG "${0} called for ${CONNECTION}: ${PLUTO_VERB}" |
54 | ||
55 | case "${PLUTO_VERB}" in | |
7bb41ec4 | 56 | up-client|up-client-v6|up-host|up-host-v6) |
82fac748 | 57 | case "${MODE}" in |
95835d23 MT |
58 | gre-*) |
59 | if ! device_exists "${INTERFACE}"; then | |
60 | ip_tunnel_add "${INTERFACE}" \ | |
61 | --mode="gre" \ | |
b1b6f6c8 MT |
62 | --local-address="${PLUTO_ME}" \ |
63 | --remote-address="${PLUTO_PEER}" | |
95835d23 MT |
64 | |
65 | device_set_up "${INTERFACE}" | |
66 | fi | |
67 | ;; | |
82fac748 MT |
68 | vti) |
69 | if device_exists "${INTERFACE}"; then | |
70 | ip_tunnel_change_keys "${INTERFACE}" \ | |
71 | --ikey="${PLUTO_MARK_IN%/*}" \ | |
72 | --okey="${PLUTO_MARK_OUT%/*}" | |
73 | ||
74 | else | |
75 | if ! ip_tunnel_add "${INTERFACE}" \ | |
76 | --mode="vti" \ | |
77 | --local-address="${PLUTO_ME}" \ | |
78 | --remote-address="${PLUTO_PEER}" \ | |
79 | --ikey="${PLUTO_MARK_IN%/*}" \ | |
80 | --okey="${PLUTO_MARK_OUT%/*}"; then | |
81 | log ERROR "Could not create VTI device for ${CONNECTION}" | |
82 | fi | |
83 | fi | |
84 | ||
85 | device_set_up "${INTERFACE}" | |
86 | ;; | |
87 | esac | |
202aa309 | 88 | |
048afd07 JS |
89 | #Get sources IP for routes |
90 | SRC_IP=($(ip_get_assigned_addresses_from_net \ | |
91 | "${PLUTO_MY_CLIENT}" "permanent")) | |
92 | ||
93 | # Set routes if we have a source IP. | |
94 | # If not the machine does not has a leg on the net | |
95 | # and we can go on without routes. | |
96 | if isset SRC_IP; then | |
97 | # We take the lowest source IP we found, | |
98 | # which is ugly because the value is unpredictable. | |
99 | SRC_IP=${SRC_IP[0]} | |
100 | ||
101 | if isset INTERFACE; then | |
102 | if ! cmd ip route add \ | |
103 | "${PLUTO_PEER_CLIENT}" \ | |
104 | dev "${INTERFACE}" \ | |
105 | src "${SRC_IP}"; then | |
106 | log ERROR \ | |
107 | "Could not set routes for ${PLUTO_PEER_CLIENT}" | |
108 | fi | |
109 | else | |
110 | # Get the device which we use to peer with the other site. | |
1a99a0b2 | 111 | ME_DEVICE="$(device_get_by_assigned_ip_address "${PLUTO_ME}")" |
048afd07 JS |
112 | |
113 | # We can only go on if we found a device. | |
114 | if isset ME_DEVICE; then | |
115 | if ! cmd ip route add \ | |
116 | "${PLUTO_PEER_CLIENT}" \ | |
117 | dev "${ME_DEVICE}" \ | |
118 | proto static \ | |
119 | src "${SRC_IP}" \ | |
120 | table 220; then | |
121 | log ERROR \ | |
122 | "Could not set routes for ${PLUTO_PEER_CLIENT}" | |
123 | fi | |
124 | else | |
125 | log ERROR "Could not get device for ${PLUTO_ME}" | |
126 | fi | |
127 | fi | |
202aa309 | 128 | fi |
67baa452 MT |
129 | ;; |
130 | ||
7bb41ec4 | 131 | down-client|down-client-v6|down-host|down-host-v6) |
202aa309 MT |
132 | # Remove routes |
133 | cmd ip route del "${PLUTO_PEER_CLIENT}" | |
134 | ||
135 | # Remove interfaces | |
82fac748 | 136 | case "${MODE}" in |
b1b6f6c8 | 137 | gre-*|vti) |
82fac748 MT |
138 | if device_exists "${INTERFACE}"; then |
139 | device_set_down "${INTERFACE}" | |
140 | ||
141 | ip_tunnel_del "${INTERFACE}" | |
142 | fi | |
143 | ;; | |
144 | esac | |
67baa452 MT |
145 | ;; |
146 | esac | |
147 | ||
148 | exit ${EXIT_OK} |