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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 | # This is a list of baudrates that are supported. | |
23 | SERIAL_BAUDRATES="921600 460800 230400 115200 57600 38400 19200 9600" | |
24 | ||
25 | function serial_exists() { | |
26 | local device=${1} | |
27 | ||
28 | [ -c "${device}" ] | |
29 | } | |
30 | ||
31 | function serial_is_locked() { | |
32 | local device=${1} | |
33 | assert isset device | |
34 | ||
35 | device=$(basename ${device}) | |
36 | ||
37 | local dir | |
38 | for dir in /var/lock /var/lock/ppp; do | |
39 | [ -e "${dir}/LCK..${device}" ] \ | |
40 | && return ${EXIT_TRUE} | |
41 | done | |
42 | ||
43 | return ${EXIT_FALSE} | |
44 | } | |
45 | ||
46 | function serial_is_unlocked() { | |
47 | serial_is_locked ${device} \ | |
48 | && return ${EXIT_FALSE} || return ${EXIT_TRUE} | |
49 | } | |
50 | ||
51 | function serial_is_modem() { | |
52 | local device=${1} | |
53 | assert isset device | |
54 | ||
55 | modem_chat --timeout=2 "${device}" "AT" &>/dev/null | |
56 | local ret=$? | |
57 | ||
58 | case "${ret}" in | |
59 | ${EXIT_OK}) | |
60 | return ${EXIT_TRUE} | |
61 | ;; | |
62 | ${EXIT_ERROR}) | |
63 | return ${EXIT_FALSE} | |
64 | ;; | |
65 | *) | |
66 | return ${EXIT_UNKNOWN} | |
67 | ;; | |
68 | esac | |
69 | } |