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1 | #!/bin/bash |
2 | ############################################################################### | |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
5 | # Copyright (C) 2012 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 | function hostapd_config_dir() { | |
23 | local device=${1} | |
24 | ||
25 | echo "${RUN_DIR}/hostapd/${device}" | |
26 | } | |
27 | ||
28 | function hostapd_config_write() { | |
29 | local device=${1} | |
30 | shift | |
31 | ||
32 | assert device_exists ${device} | |
33 | ||
34 | local broadcast_ssid | |
35 | local channel | |
36 | local country_code | |
37 | local encryption | |
38 | local key | |
39 | local mode | |
40 | local ssid | |
41 | ||
42 | while [ $# -gt 0 ]; do | |
43 | case "${1}" in | |
44 | --broadcast-ssid=*) | |
45 | broadcast_ssid=${1#--broadcast-ssid=} | |
46 | ;; | |
47 | --channel=*) | |
48 | channel=${1#--channel=} | |
49 | ;; | |
50 | --country-code=*) | |
51 | country_code=${1#--country-code=} | |
52 | ;; | |
53 | --mode=*) | |
54 | mode=${1#--mode=} | |
55 | ;; | |
56 | --ssid=*) | |
57 | ssid=${1#--ssid=} | |
58 | ;; | |
59 | --encryption=*) | |
60 | encryption=$(cli_get_val ${1}) | |
61 | ;; | |
62 | --key=*) | |
63 | key=$(cli_get_val ${1}) | |
64 | ;; | |
65 | *) | |
66 | warning_log "Ignoring unknown argument '${1}'." | |
67 | ;; | |
68 | esac | |
69 | shift | |
70 | done | |
71 | ||
72 | assert isset broadcast_ssid | |
73 | assert isbool broadcast_ssid | |
74 | ||
75 | assert isset channel | |
76 | assert isinteger channel | |
77 | ||
78 | assert isset country_code | |
79 | assert isset mode | |
80 | assert isset ssid | |
81 | ||
82 | # Check if key is set when encryption is used. | |
83 | if isset encryption; then | |
84 | assert isoneof encryption WPA WPA2 WPA/WPA2 | |
85 | assert isset key | |
86 | fi | |
87 | ||
88 | local ignore_broadcast_ssid | |
89 | if enabled broadcast_ssid; then | |
90 | ignore_broadcast_ssid="0" | |
91 | else | |
92 | ignore_broadcast_ssid="1" | |
93 | fi | |
94 | ||
95 | local hw_mode ieee80211n="0" | |
96 | if [ "${mode}" = "n" ]; then | |
97 | if [ ${channel} -le 15 ]; then | |
98 | hw_mode="g" | |
99 | else | |
100 | hw_mode="a" | |
101 | fi | |
102 | ieee80211n="1" | |
103 | fi | |
104 | ||
105 | cat <<EOF | |
106 | ### Hostapd configuration for ${device} | |
107 | ||
108 | # Interface configuration | |
109 | driver=nl80211 | |
110 | interface=${device} | |
111 | ||
112 | # Wireless configuration | |
113 | channel=${channel} | |
114 | country_code=${country_code} | |
115 | hw_mode=${hw_mode} | |
116 | ieee80211n=${ieee80211n} | |
117 | ignore_broadcast_ssid=${ignore_broadcast_ssid} | |
118 | ssid=${ssid} | |
119 | ||
120 | # Dump file | |
121 | dump_file=$(hostapd_config_dir ${device}/dump) | |
122 | ||
123 | ctrl_interface=/var/run/hostapd | |
124 | ctrl_interface_group=0 | |
125 | ||
126 | EOF | |
127 | ||
128 | if isset encryption; then | |
129 | local encryption_mode=0 | |
130 | case "${encryption}" in | |
131 | WPA) | |
132 | encryption_mode=1 | |
133 | ;; | |
134 | WPA2) | |
135 | encryption_mode=2 | |
136 | ;; | |
137 | WPA/WPA2) | |
138 | encryption_mode=3 | |
139 | ;; | |
140 | esac | |
141 | ||
142 | print "# Encryption settings." | |
143 | print "wpa=${encryption_mode}" | |
144 | print "wpa_passphrase=${key}" | |
145 | print "wpa_key_mgmt=WPA-PSK" | |
146 | print "wpa_pairwise=TKIP" | |
147 | print "rsn_pairwise=CCMP" | |
148 | ||
149 | fi | |
150 | ||
151 | return ${EXIT_OK} | |
152 | } | |
153 | ||
154 | function hostapd_start() { | |
155 | local device=${1} | |
156 | shift | |
157 | ||
158 | assert isset device | |
159 | ||
160 | local config_dir=$(hostapd_config_dir ${device}) | |
161 | mkdir -p ${config_dir} | |
162 | ||
163 | local config_file=${config_dir}/config | |
164 | hostapd_config_write ${device} $@ > ${config_file} | |
165 | ||
166 | service_start "hostapd@${device}.service" | |
167 | local ret=$? | |
168 | ||
169 | case "${ret}" in | |
170 | 0) | |
171 | log DEBUG "Hostapd was successfully started for '${device}'." | |
172 | return ${EXIT_OK} | |
173 | ;; | |
174 | 1) | |
175 | error_log "Could not start hostapd properly for '${device}'." | |
176 | ||
177 | error_log "Configuration file dump:" | |
178 | local line | |
179 | while read line; do | |
180 | error_log " ${line}" | |
181 | done < ${config_file} | |
182 | ||
183 | return ${EXIT_ERROR} | |
184 | ;; | |
185 | esac | |
186 | } | |
187 | ||
188 | function hostapd_stop() { | |
189 | local device=${1} | |
190 | assert isset device | |
191 | ||
192 | service_stop "hostapd@${device}.service" | |
193 | ||
194 | rm -rf $(hostapd_config_dir ${device}) | |
195 | } | |
196 | ||
197 | function hostapd_get_pid() { | |
198 | local device=${1} | |
199 | ||
200 | assert isset device | |
201 | ||
202 | local pid_file="$(hostapd_config_dir ${device})/pid" | |
203 | ||
204 | [ -e "${pid_file}" ] || return ${EXIT_ERROR} | |
205 | ||
206 | cat ${pid_file} 2>/dev/null | |
207 | return ${EXIT_OK} | |
208 | } | |
209 | ||
210 | function hostapd_is_running() { | |
211 | local device=${1} | |
212 | ||
213 | assert isset device | |
214 | ||
215 | local pid=$(hostapd_get_pid ${device}) | |
216 | ||
217 | if isset pid && [ -d "/proc/${pid}" ]; then | |
218 | return ${EXIT_OK} | |
219 | fi | |
220 | ||
221 | return ${EXIT_ERROR} | |
222 | } |