]> git.ipfire.org Git - people/stevee/network.git/blob - src/hooks/configs/pppoe-server
hook: Rename HOOK_CONFIG_SETTINGS to HOOK_SETTINGS
[people/stevee/network.git] / src / hooks / configs / pppoe-server
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_SETTINGS=(
25 "DNS_SERVERS"
26 "MTU"
27 "SERVICE_NAME"
28 "SUBNET MAX_SESSIONS"
29 )
30
31 DEFAULT_MTU=1492
32 DEFAULT_MAX_SESSIONS=0
33
34 hook_check_config_settings() {
35 assert isset MTU
36 assert isset SUBNET
37 assert isset MAX_SESSIONS
38
39 local server
40 for server in ${DNS_SERVERS}; do
41 assert ipv4_is_valid "${server}"
42 done
43 }
44
45 hook_parse_cmdline() {
46 local id="${1}"
47 shift
48
49 while [ $# -gt 0 ]; do
50 case "${1}" in
51 --dns-server=*)
52 local dns_servers="$(cli_get_val "${1}")"
53
54 local dns_server
55 for dns_server in ${dns_servers}; do
56 if ! ipv4_is_valid "${dns_server}"; then
57 warning "Invalid IPv4 address: ${dns_server}. Skipped."
58 continue
59 fi
60
61 list_append DNS_SERVERS "${dns_server}"
62 done
63 ;;
64 --max-sessions=*)
65 MAX_SESSIONS=$(cli_get_val "${1}")
66 if ! isinteger ${MAX_SESSIONS} || ! [ ${MAX_SESSIONS} -ge 0 ]; then
67 error "Invalid value for '--max-session'. This value must be an integer greate or eqal zero."
68 exit ${EXIT_ERROR}
69 fi
70 ;;
71 --mtu=*)
72 MTU=$(cli_get_val "${1}")
73 if ! mtu_is_valid "ipv4" ${MTU}; then
74 error "Invalid value for '--mtu'. Cannot be larger then 9000 or smaller than 576"
75 exit ${EXIT_ERROR}
76 fi
77 ;;
78 --service-name=*)
79 SERVICE_NAME=$(cli_get_val "${1}")
80 ;;
81 --subnet=*)
82 SUBNET=$(cli_get_val "${1}")
83 if ! ipv4_net_is_valid "${SUBNET}"; then
84 error "Invalid IPv4 Subnet ${SUBNET}."
85 exit ${EXIT_ERROR}
86 fi
87 ;;
88 *)
89 warning "Ignoring unknown option '${1}'"
90 ;;
91 esac
92 shift
93 done
94 }
95
96 hook_new() {
97 local zone=${1}
98 shift
99
100 if zone_config_hook_is_configured ${zone} "pppoe-server"; then
101 log ERROR "You can configure the pppoe-server hook only once for a zone"
102 return ${EXIT_ERROR}
103 fi
104
105 local id=$(zone_config_get_new_id ${zone})
106 log DEBUG "ID for the config is: ${id}"
107
108 if ! hook_parse_cmdline "${id}" "$@"; then
109 # Return an error if the parsing of the cmd line fails
110 return ${EXIT_ERROR}
111 fi
112
113 zone_config_settings_write "${zone}" "${HOOK}" "${id}"
114
115 exit ${EXIT_OK}
116 }
117
118 hook_up() {
119 local zone=${1}
120 local config=${2}
121 shift 2
122
123 # Start the PPPoE server.
124 pppoe_server_start ${zone}
125
126 exit ${EXIT_OK}
127 }
128
129 hook_down() {
130 local zone=${1}
131 local config=${2}
132 shift 2
133
134 if ! device_exists ${zone}; then
135 error "Zone '${zone}' doesn't exist."
136 exit ${EXIT_ERROR}
137 fi
138
139 # Stop the PPPoE server.
140 pppoe_server_stop ${zone}
141
142 exit ${EXIT_OK}
143 }
144
145 hook_status() {
146 local zone=${1}
147 local config=${2}
148 shift 2
149
150 if ! device_exists ${zone}; then
151 error "Zone '${zone}' doesn't exist."
152 exit ${EXIT_ERROR}
153 fi
154
155 zone_config_settings_read "${zone}" "${config}"
156
157 local status
158 if pppoe_server_status ${zone}; then
159 status="${MSG_HOOK_UP}"
160 else
161 status="${MSG_HOOK_DOWN}"
162 fi
163 cli_statusline 3 "PPPoE server" "${status}"
164
165 local gateway=$(ipv4_get_network ${SUBNET})
166 cli_print_fmt1 3 "Gateway" "${gateway}"
167
168 local start_address=$(ipv4_encode ${gateway})
169 start_address=$(( ${start_address} + 1 ))
170 start_address=$(ipv4_decode ${start_address})
171 local end_address=$(ipv4_get_broadcast ${SUBNET})
172
173 cli_print_fmt1 3 "Client range" \
174 "${start_address}-${end_address}"
175 cli_space
176
177 local max_sessions=${MAX_SESSIONS}
178 if [ "${max_sessions}" = "0" ]; then
179 max_sessions="unlimited"
180 fi
181 cli_print_fmt1 3 "${max_sessions} session(s) per MAC"
182 cli_space
183
184 exit ${EXIT_OK}
185 }