]>
Commit | Line | Data |
---|---|---|
d76f5107 | 1 | #!/bin/bash |
1578dae9 MT |
2 | ############################################################################### |
3 | # # | |
4 | # IPFire.org - A linux based firewall # | |
0e035311 | 5 | # Copyright (C) 2012 IPFire Network Development Team # |
1578dae9 MT |
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 | ############################################################################### | |
d76f5107 | 21 | |
31670741 MT |
22 | # Sets the global wireless country code. Default is 00 = world. |
23 | WIRELESS_REGULATORY_DOMAIN="00" | |
24 | NETWORK_CONFIG_FILE_PARAMS="${NETWORK_CONFIG_FILE_PARAMS} WIRELESS_REGULATORY_DOMAIN" | |
25 | ||
26 | init_register wireless_init_reg_domain | |
27 | ||
d76f5107 MT |
28 | function wireless_create() { |
29 | local device=${1} | |
d76f5107 | 30 | assert isset device |
22a61046 | 31 | shift |
d76f5107 | 32 | |
22a61046 MT |
33 | local address |
34 | local phy | |
35 | local type="managed" | |
36 | ||
37 | while [ $# -gt 0 ]; do | |
38 | case "${1}" in | |
39 | --address=*) | |
40 | address=$(cli_get_val ${1}) | |
41 | ;; | |
42 | --phy=*) | |
43 | phy=$(cli_get_val ${1}) | |
44 | phy=$(phy_get ${phy}) | |
45 | ;; | |
46 | --type=*) | |
47 | type=$(cli_get_val ${1}) | |
48 | ||
49 | # ap --> __ap | |
50 | [ "${type}" = "ap" ] && type="__ap" | |
51 | ;; | |
52 | *) | |
53 | error "Unrecognized argument: ${1}" | |
54 | return ${EXIT_ERROR} | |
55 | ;; | |
56 | esac | |
57 | shift | |
58 | done | |
d76f5107 | 59 | |
91987cc5 | 60 | assert isoneof type ibss managed __ap |
22a61046 MT |
61 | assert phy_exists ${phy} |
62 | isset address || address=$(mac_generate) | |
63 | ||
64 | cmd_quiet iw phy ${phy} interface add ${device} type ${type} | |
65 | local ret=$? | |
d76f5107 | 66 | |
22a61046 MT |
67 | if [ ${ret} -eq ${EXIT_OK} ]; then |
68 | log DEBUG "created wireless device '${device}' (${type})" | |
d76f5107 | 69 | |
22a61046 MT |
70 | if isset address; then |
71 | device_set_address ${device} ${address} | |
72 | fi | |
73 | else | |
74 | log ERROR "could not create wireless device '${device}' (${type}): ${ret}" | |
d76f5107 MT |
75 | fi |
76 | ||
22a61046 | 77 | return ${ret} |
d76f5107 MT |
78 | } |
79 | ||
80 | function wireless_remove() { | |
81 | local device=${1} | |
22a61046 | 82 | assert isset device |
d76f5107 | 83 | |
22a61046 MT |
84 | if ! device_exists ${device}; then |
85 | return ${EXIT_OK} | |
86 | fi | |
d76f5107 | 87 | |
22a61046 | 88 | # Tear down the device (if necessary). |
d76f5107 MT |
89 | device_set_down ${device} |
90 | ||
22a61046 MT |
91 | # Remove it. |
92 | cmd_quiet iw dev ${device} del | |
93 | local ret=$? | |
94 | ||
95 | if [ ${ret} -eq ${EXIT_OK} ]; then | |
96 | log DEBUG "removed wireless device '${device}'" | |
97 | else | |
98 | log ERROR "could not remove wireless device '${device}': ${ret}" | |
99 | fi | |
100 | ||
101 | return ${ret} | |
d76f5107 MT |
102 | } |
103 | ||
31670741 MT |
104 | function wireless_get_reg_domain() { |
105 | # Returns the country code for the wireless device. | |
106 | # Defaults to 00 = world if unset. | |
107 | print "${WIRELESS_REGULATORY_DOMAIN:-00}" | |
108 | } | |
109 | ||
110 | function wireless_init_reg_domain() { | |
111 | local country_code="$(wireless_get_reg_domain)" | |
112 | ||
113 | wireless_set_reg_domain "${country_code}" | |
114 | } | |
115 | ||
116 | function wireless_set_reg_domain() { | |
117 | local country_code="${1}" | |
118 | assert isset country_code | |
119 | ||
120 | # Before the wireless reg domain is set, it helps to reset to 00 first. | |
121 | iw reg set 00 &>/dev/null | |
122 | ||
123 | log INFO "Setting wireless regulatory domain country to '${country_code}'" | |
124 | iw reg set "${country_code}" | |
125 | } | |
126 | ||
91987cc5 MT |
127 | function wireless_channel_to_frequency() { |
128 | # http://en.wikipedia.org/wiki/List_of_WLAN_channels | |
129 | ||
130 | local channel=${1} | |
131 | assert isset channel | |
132 | ||
133 | # Channel number must be positive. | |
134 | assert [ "${channel}" -gt 0 ] | |
135 | ||
136 | # 2.4 GHz band | |
137 | case "${channel}" in | |
138 | [123456789]|1[0123]) | |
139 | print "$(( 2407 + (${channel} * 5)))" | |
140 | return ${EXIT_OK} | |
141 | ;; | |
142 | 14) | |
143 | print "2484" | |
144 | return ${EXIT_OK} | |
145 | ;; | |
146 | esac | |
147 | ||
148 | # 5 GHz band | |
149 | case "${channel}" in | |
150 | 3[68]|4[02468]|5[26]|6[04]|10[048]|11[26]|12[048]|13[26]|14[09]|15[37]|16[15]) | |
151 | print "$(( 5000 + (${channel} * 5)))" | |
152 | return ${EXIT_OK} | |
153 | ;; | |
154 | esac | |
155 | ||
156 | return ${EXIT_ERROR} | |
157 | } | |
158 | ||
d76f5107 MT |
159 | function wireless_set_channel() { |
160 | local device=${1} | |
d76f5107 | 161 | assert isset device |
22a61046 MT |
162 | |
163 | local channel=${2} | |
d76f5107 MT |
164 | assert isset channel |
165 | ||
22a61046 MT |
166 | device_exists ${device} || return ${EXIT_ERROR} |
167 | ||
168 | cmd_quiet iw dev ${device} set channel ${channel} | |
d76f5107 | 169 | } |
91987cc5 MT |
170 | |
171 | function wireless_ibss_join() { | |
172 | local device=${1} | |
173 | assert isset device | |
174 | shift | |
175 | ||
176 | local bssid | |
177 | local essid | |
178 | local frequency | |
179 | ||
180 | while [ $# -gt 0 ]; do | |
181 | case "${1}" in | |
182 | --bssid=*) | |
183 | bssid="$(cli_get_val ${1})" | |
184 | ;; | |
185 | --essid=*) | |
186 | essid="$(cli_get_val ${1})" | |
187 | ;; | |
188 | --channel=*) | |
189 | local channel="$(cli_get_val ${1})" | |
190 | ||
191 | # Save the frequency of the channel instead | |
192 | # of the channel itself. | |
193 | if isset channel; then | |
194 | frequency="$(wireless_channel_to_frequency ${channel})" | |
195 | fi | |
196 | ;; | |
197 | esac | |
198 | shift | |
199 | done | |
200 | ||
201 | # Check input. | |
202 | assert ismac bssid | |
203 | assert isset essid | |
204 | assert isinteger frequency | |
205 | ||
206 | # Set device up. | |
207 | device_set_up "${device}" | |
208 | ||
209 | log INFO "${device} joining ibss network: ${essid} (${bssid})" | |
210 | cmd_quiet iw dev "${device}" ibss join "${essid}" \ | |
211 | "${frequency}" fixed-freq "${bssid}" | |
212 | } | |
213 | ||
214 | function wireless_ibss_leave() { | |
215 | local device=${1} | |
216 | assert isset device | |
217 | ||
218 | log INFO "${device} leaving ibss network" | |
219 | cmd_quiet iw dev "${device}" ibss leave | |
220 | } | |
646ae5b2 MT |
221 | |
222 | function wireless_is_radar_frequency() { | |
223 | local frequency="${1}" | |
224 | assert isset frequency | |
225 | ||
226 | [[ ${frequency} -ge 5260 ]] && [[ ${frequency} -le 5700 ]] | |
227 | } |