summaryrefslogtreecommitdiffstats
path: root/src/connections/ethernet
blob: eb0bd8d6e4a453261711e72c2d83913040790235 (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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
#! /bin/bash
. /usr/lib/network/network

report_iproute()
{
    report_fail "$*"
    bring_interface down "$INTERFACE"
    exit 1
}

ethernet_up() {
    load_profile "$1"

    if [[ ! -e "/sys/class/net/$INTERFACE" ]]; then
        if ! echo "$INTERFACE" | fgrep -q ":"; then
            report_iproute "Interface $INTERFACE does not exist"
        fi
    fi

    report_debug ethernet_iproute_up ifup
    bring_interface up "$INTERFACE"


    if ip link show dev "$INTERFACE" | fgrep -q "NO-CARRIER"; then
        sleep ${CARRIER_TIMEOUT:-2} # Some cards are plain slow to come up. Don't fail immediately.
        if ip link show dev "$INTERFACE" | fgrep -q "NO-CARRIER"; then
            report_iproute "No connection"
        fi
    fi

    if checkyesno "${AUTH8021X:-no}"; then
        . "$SUBR_DIR/8021x"
        [[ -z "$WPA_CONF" ]] && WPA_CONF="/etc/wpa_supplicant.conf"
        [[ -z "$WPA_DRIVER" ]] && WPA_DRIVER="wired"

        report_debug ethernet_iproute_up start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"
        if ! start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_DRIVER" "$WPA_OPTS"; then
            report_fail "wpa_supplicant did not start, possible configuration error"
            return 1
        fi

        if ! wpa_check "$INTERFACE"; then
            bring_interface down "$INTERFACE"
            report_fail "WPA Authentication/Association Failed"
            return 1
        fi
    fi

    case "$IP" in
    dhcp)
        if checkyesno "${DHCLIENT:-no}"; then
            rm -r "/var/run/dhclient-${INTERFACE}.pid" >/dev/null 2>&1
            report_debug ethernet_up dhclient -q -e TIMEOUT="${DHCP_TIMEOUT:-10}" -pf "/var/run/dhclient-$INTERFACE.pid" "$INTERFACE"
            if ! dhclient -q -e TIMEOUT="${DHCP_TIMEOUT:-10}" -pf "/var/run/dhclient-${INTERFACE}.pid" ${DHCLIENT_OPTIONS} "$INTERFACE"; then
                report_fail "DHCP IP lease attempt failed."
                return 1
            fi
        else
            # Clear remaining pid files.
            rm -f "/var/run/dhcpcd-$INTERFACE".{pid,cache} >/dev/null 2>&1
            # If using own dns, tell dhcpcd to NOT replace resolv.conf
            [[ -n "$DNS1" || -n "$DNS" ]] && DHCP_OPTIONS="-C resolv.conf $DHCP_OPTIONS"
            # Start dhcpcd
            report_debug ethernet_up dhcpcd -qL -t "${DHCP_TIMEOUT:-10}" $DHCP_OPTIONS "$INTERFACE"
            dhcpcd -qL -t "${DHCP_TIMEOUT:-10}" $DHCP_OPTIONS "$INTERFACE" 2>&1 | report_debug "$(cat)"
            if [[ "$PIPESTATUS" -ne 0 ]]; then
                report_fail "DHCP IP lease attempt failed."
                return 1
            fi
        fi
        ;;
    static)
        if [[ -n "$ADDR" ]]; then
            report_debug ethernet_iproute_up ip addr add "$ADDR/24" brd + dev "$INTERFACE"
            if ! ip addr add "$ADDR/24" brd + dev "$INTERFACE"; then
                report_iproute "Could not configure interface"
            fi
        fi
        if [[ -n "$IFOPTS" ]]; then
            if ! ifconfig "$INTERFACE" $IFOPTS up; then
                report_iproute "Bringing interface up failed."
                return 1
            fi
        fi
        if [[ -n "$GATEWAY" ]]; then
            report_debug ethernet_iproute_up ip route add default via "$GATEWAY"
            if ! ip route add default via "$GATEWAY"; then
                report_iproute "Adding gateway $GATEWAY failed"
            fi
        fi
        ;;
      *)
        report_iproute "IP must be either 'dhcp' or 'static'"
        ;;
    esac

    if [[ -n "$IPCFG" ]]; then
        for line in "${IPCFG[@]}"; do

            report_debug ethernet_iproute_up ip "$line"
            if ! ip $line; then
                report_iproute "Could not configure interface ($line)."
            fi
        done
    fi

    # Set hostname
    if [[ -n "$HOSTNAME" ]]; then
        report_debug ethernet_iproute_up hostname "$HOSTNAME"
        if ! hostname "$HOSTNAME"; then
            report_iproute "Cannot set hostname to $HOSTNAME"
        fi
    fi

    # Generate a new resolv.conf
    if [[ -n "$DNS" ]]; then
        : >/etc/resolv.conf
        [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
        [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf

        for dns in "${DNS[@]}"; do
            echo "nameserver $dns" >>/etc/resolv.conf
        done
    elif [[ -n "$DNS1" ]]; then # support older 'ethernet' syntax.
        : >/etc/resolv.conf
        [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
        [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf
        [[ -n "$DNS1" ]]   && echo "nameserver $DNS1" >>/etc/resolv.conf
        [[ -n "$DNS2" ]]   && echo "nameserver $DNS2" >>/etc/resolv.conf
    fi

    return 0
}

ethernet_down() {
    load_profile "$1"

    if [[ "$IP" == "dhcp" ]]; then
        if [[ -f "/var/run/dhcpcd-${INTERFACE}.pid" ]]; then
            report_debug ethernet_iproute_down dhcpcd -qx "$INTERFACE"
            dhcpcd -qx "$INTERFACE" &>/dev/null
        fi
    fi

    report_debug ethernet_iproute_down if_down
    if [[ "$CONNECTION" == "wireless" ]]; then
        bring_interface flush "$INTERFACE"
    else
        bring_interface down "$INTERFACE"
    fi
    return 0 
}

# Returns status of profile - is it still functional?
ethernet_status() {
    if ! ip link show dev "$INTERFACE" | fgrep -q "state UP"; then
        return 1
    fi
}

ethernet_$1 "$2"
exit $?
# vim: set ts=4 et sw=4: