summaryrefslogtreecommitdiffstats
path: root/src/lib/connections/ppp
blob: 54bedbae91b130953f419426bc6b7da7ca843fd4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
# Contributed by Robbie Smith <zoqaeski@gmail.com>
# Based on Thomas Bächler’s <thomas@archlinux.org> pppoe script
# Also see <https://wiki.archlinux.org/index.php/3G_and_GPRS_modems_with_pppd> for more information.

: ${PPPD:=pppd}

_quotestring() {
    echo "\"${1/\"/\\\"}\""
}

mobile_up() {
    local cfg
    local chat

    mkdir -p "$STATE_DIR/mobile.${Interface}.${Profile}/"
    chmod 700 "$STATE_DIR/mobile.${Interface}.${Profile}/"
    cfg="$STATE_DIR/mobile.${Interface}.${Profile}/options"
    chat="$STATE_DIR/mobile.${Interface}.${Profile}/modem.chat"
    : > "${cfg}"
    chmod 600 "${cfg}"

    echo "linkname $(_quotestring "${Profile}")" >> "${cfg}"

    # Set device
    if [ -n "${Device}" ]; then
        echo "${Device}" >> "${cfg}"
    else
        echo "ttyUSB0" >> "${cfg}"
    fi

    echo "921600" >> "${cfg}"
    echo "lock" >> "${cfg}"
    echo "crtscts" >> "${cfg}"
    echo "modem" >> "${cfg}"
    echo "passive" >> "${cfg}"
    echo "novj" >> "${cfg}"
    echo "holdoff 10" >> "${cfg}"
    echo "maxfail 5" >> "${cfg}"

    # Debug pppd output separately from netcfg
    if is_yes "${PPPDebug:-yes}"; then
        echo "debug" >> "${cfg}"
    fi

    # Sets up route
    if is_yes "${DefaultRoute:-yes}"; then
        echo "defaultroute" >> "${cfg}"
    else
        echo "nodefaultroute" >> "${cfg}"
    fi
    if is_yes "${UsePeerDNS:-yes}"; then
        echo "usepeerdns" >> "${cfg}"
    fi

    # Writes username and password
    echo "noauth" >> "${cfg}"
    echo "hide-password" >> ${cfg}
    [[ -n ${User} ]] && echo "user $(_quotestring "${User}")" >> "${cfg}"
    [[ -n ${Password} ]] && echo "password $(_quotestring "${Password}")" >> "${cfg}"

    # Now that we’ve got the ppp configuration set up, write the chat script
    echo "ECHO ON" >> "${chat}"
    echo "ABORT 'BUSY'" >> "${chat}"
    echo "ABORT 'NO CARRIER'" >> "${chat}"
    echo "ABORT 'VOICE'" >> "${chat}"
    echo "ABORT 'NO DIALTONE'" >> "${chat}"
    echo "ABORT 'NO DIAL TONE'" >> "${chat}"
    echo "ABORT 'NO ANSWER'" >> "${chat}"
    echo "ABORT 'DELAYED'" >> "${chat}"
    echo "ABORT   '\nRINGING\r\n\r\nRINGING\r'" >> "${chat}"
    echo "REPORT CONNECT" >> "${chat}"
    echo "TIMEOUT 6" >> "${chat}"
    echo "'' 'ATQ0'" >> "${chat}"
    echo "'OK-AT-OK' 'ATZ'" >> "${chat}"
    echo "TIMEOUT 3" >> "${chat}"

    #echo "'OK' @/etc/ppp/chatscripts/pin" >> "${chat}"
    if [ -n "${Pin}" ]; then
        echo "'OK' 'AT+CPIN=${Pin}'" >> "${chat}"
    else
        echo "'OK' 'AT'" >> "${chat}"
    fi

    echo "'OK\d-AT-OK' 'ATI'" >> "${chat}"
    echo "'OK' 'ATZ'" >> "${chat}"
    echo "'OK' 'ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0'" >> "${chat}"

    # Mode can be one of 3Gpref, 3Gonly, GPRSpref, GPRSonly, None
    # Only works for Huawei modems
    #echo "'OK' @/etc/ppp/chatscripts/mode" >> "${chat}"
    case "${Mode}" in
        3Gonly)
            echo "'OK' 'AT\^SYSCFG=14,2,3fffffff,0,1'" >> "${chat}"
            ;;
        3Gpref)
            echo "'OK' 'AT\^SYSCFG=2,2,3fffffff,0,1'" >> "${chat}"
            ;;
        GPRSonly)
            echo "'OK' 'AT\^SYSCFG=13,1,3fffffff,0,0'" >> "${chat}"
            ;;
        GPRSpref)
            echo "'OK' 'AT\^SYSCFG=2,1,3fffffff,0,0'" >> "${chat}"
            ;;
        *)
            echo "'OK' 'AT'" >> "${chat}"
            ;;
    esac

    # Set up Access Point Name
    echo "'OK-AT-OK' AT+CGDCONT=1,\"IP\",\"${AccessPointName}\"" >> "${chat}"

    echo "'OK' 'ATDT*99#'" >> "${chat}"
    echo "TIMEOUT 30" >> "${chat}"
    echo "CONNECT ''" >> "${chat}"

    # Add the chat script line to the configuration
    echo "connect \"/usr/sbin/chat -v -t15 -f ${chat}\"" >> "${cfg}"

    ip link set dev "${Interface}" up
    #$PPPD call "$Peer" updetach child-timeout "$PPPTimeout" linkname "$Peer"
    $PPPD file "${cfg}"

    if [[ $? -ne 0 ]]; then
        rmdir "$STATE_DIR/mobile.${Interface}.${Profile}/"
        report_error "Couldn't make pppd connection."
        return 1
    fi
}

mobile_down() {
    local cfg
    local chat
    cfg="$STATE_DIR/mobile.${Interface}.${Profile}/options"
    chat="$STATE_DIR/mobile.${Interface}.${Profile}/modem.chat"
    PIDFILE="/var/run/mobile-${Profile}.pid"

    if [[ -e $PIDFILE ]]; then
        read PID < "$PIDFILE"
        [[ "$PID" ]] && kill "$PID"
    fi

    rm "${cfg}"
    rm "${chat}"
    rmdir "$STATE_DIR/mobile.${Interface}.${Profile}/"
}


# vim: ft=sh ts=4 et sw=4: