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1 | #!/bin/bash | |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2010 Michael Tremer & Christian Schmidt # | |
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 | . /usr/lib/network/header-config | |
23 | ||
24 | HOOK_MANPAGE="network-config-ipv4-static" | |
25 | ||
26 | HOOK_CONFIG_SETTINGS="HOOK ADDRESS PREFIX GATEWAY" | |
27 | ||
28 | hook_check_config_settings() { | |
29 | assert isset ADDRESS | |
30 | assert isinteger PREFIX | |
31 | ||
32 | if [ ${PREFIX} -gt 30 ]; then | |
33 | error "PREFIX is greater than 30." | |
34 | exit ${EXIT_ERROR} | |
35 | fi | |
36 | } | |
37 | ||
38 | hook_new() { | |
39 | local zone="${1}" | |
40 | assert zone_exists "${zone}" | |
41 | shift | |
42 | ||
43 | local arg | |
44 | while read -r arg; do | |
45 | local key="$(cli_get_key "${arg}")" | |
46 | local val="$(cli_get_val "${arg}")" | |
47 | ||
48 | case "${key}" in | |
49 | address) | |
50 | if ! ipv4_is_valid "${val}"; then | |
51 | error "Invalid IPv4 address: ${val}" | |
52 | exit ${EXIT_CONF_ERROR} | |
53 | fi | |
54 | ||
55 | ADDRESS="${val}" | |
56 | ;; | |
57 | ||
58 | prefix) | |
59 | if ! ipv4_prefix_is_valid "${val}"; then | |
60 | error "Invalid IPv4 prefix: ${val}" | |
61 | exit ${EXIT_CONF_ERROR} | |
62 | fi | |
63 | ||
64 | PREFIX="${val}" | |
65 | ;; | |
66 | ||
67 | gateway) | |
68 | if ! ipv4_is_valid "${val}"; then | |
69 | error "Invalid IPv4 address for gateway: ${val}" | |
70 | exit ${EXIT_CONF_ERROR} | |
71 | fi | |
72 | ||
73 | GATEWAY="${val}" | |
74 | ;; | |
75 | ||
76 | # Compatibility switches | |
77 | netmask) | |
78 | if ! ipv4_netmask_is_valid "${val}"; then | |
79 | error "Invalid netmask: ${val}" | |
80 | exit ${EXIT_CONF_ERROR} | |
81 | fi | |
82 | ||
83 | # The netmask will be converted into a prefix | |
84 | PREFIX="$(ipv4_netmask2prefix ${val})" | |
85 | ;; | |
86 | ||
87 | # Unknown switches | |
88 | *) | |
89 | error "Unhandled argument: ${arg}" | |
90 | exit ${EXIT_CONF_ERROR} | |
91 | ;; | |
92 | esac | |
93 | done <<< "$(args $@)" | |
94 | ||
95 | if ! isset ADDRESS; then | |
96 | error "You need to provide an IPv4 address" | |
97 | exit ${EXIT_CONF_ERROR} | |
98 | fi | |
99 | ||
100 | if ! isset PREFIX; then | |
101 | error "You need to provide an IPv4 prefix" | |
102 | exit ${EXIT_CONF_ERROR} | |
103 | fi | |
104 | ||
105 | if ! isset GATEWAY && zone_is_nonlocal "${zone}"; then | |
106 | warning "You did not configure a gateway for a non-local zone" | |
107 | fi | |
108 | ||
109 | zone_config_settings_write "${zone}" "${HOOK}" | |
110 | ||
111 | exit ${EXIT_OK} | |
112 | } | |
113 | ||
114 | hook_up() { | |
115 | local zone=${1} | |
116 | local config=${2} | |
117 | shift 2 | |
118 | ||
119 | if ! device_exists ${zone}; then | |
120 | error "Zone '${zone}' doesn't exist." | |
121 | exit ${EXIT_ERROR} | |
122 | fi | |
123 | ||
124 | zone_config_settings_read "${zone}" "${config}" | |
125 | ||
126 | ip_address_add ${zone} ${ADDRESS}/${PREFIX} | |
127 | ||
128 | # Save configuration | |
129 | db_set "${zone}/ipv4/type" "${HOOK}" | |
130 | db_set "${zone}/ipv4/local-ip-address" "${ADDRESS}/${PREFIX}" | |
131 | db_set "${zone}/ipv4/remote-ip-address" "${GATEWAY}" | |
132 | db_set "${zone}/ipv4/active" 1 | |
133 | ||
134 | routing_update ${zone} ipv4 | |
135 | routing_default_update | |
136 | ||
137 | exit ${EXIT_OK} | |
138 | } | |
139 | ||
140 | hook_down() { | |
141 | local zone=${1} | |
142 | local config=${2} | |
143 | shift 2 | |
144 | ||
145 | if ! device_exists ${zone}; then | |
146 | error "Zone '${zone}' doesn't exist." | |
147 | exit ${EXIT_ERROR} | |
148 | fi | |
149 | ||
150 | # Remove routing information from database. | |
151 | db_delete "${zone}/ipv4" | |
152 | ||
153 | zone_config_settings_read "${zone}" "${config}" | |
154 | ||
155 | ip_address_del ${zone} ${ADDRESS}/${PREFIX} | |
156 | ||
157 | # Update routing tables. | |
158 | routing_default_update | |
159 | ||
160 | exit ${EXIT_OK} | |
161 | } | |
162 | ||
163 | hook_status() { | |
164 | local zone="${1}" | |
165 | assert isset zone | |
166 | ||
167 | local config="${2}" | |
168 | assert isset config | |
169 | ||
170 | shift 2 | |
171 | ||
172 | if ! device_exists ${zone}; then | |
173 | error "Zone '${zone}' doesn't exist." | |
174 | exit ${EXIT_ERROR} | |
175 | fi | |
176 | ||
177 | zone_config_settings_read "${zone}" "${config}" | |
178 | ||
179 | local status | |
180 | if zone_has_ip ${zone} ${ADDRESS}/${PREFIX}; then | |
181 | status=${MSG_HOOK_UP} | |
182 | else | |
183 | status=${MSG_HOOK_DOWN} | |
184 | fi | |
185 | cli_statusline 3 "${HOOK}" "${status}" | |
186 | ||
187 | cli_print_fmt1 3 "IPv4 address" "${ADDRESS}/${PREFIX}" | |
188 | if [ -n "${GATEWAY}" ]; then | |
189 | cli_print_fmt1 3 "Gateway" "${GATEWAY}" | |
190 | fi | |
191 | cli_space | |
192 | ||
193 | exit ${EXIT_OK} | |
194 | } |