blob: 25e30697ef169855036aa140e7d2327353836675 (
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
165
166
|
#!/bin/bash
# Copyright (c) 2004-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Contributed by Roy Marples (uberlord@gentoo.org)
# Fix any potential localisation problems
# Note that LC_ALL trumps LC_anything_else according to locale(7)
dhcpcd() {
LC_ALL=C /sbin/dhcpcd "$@"
}
# char* dhcpcd_provides(void)
#
# Returns a string to change module definition for starting up
dhcpcd_provides() {
echo "dhcp"
}
# void dhcpcd_depend(void)
#
# Sets up the dependancies for the module
dhcpcd_depend() {
after interface
}
# bool dhcpcd_check_installed(void)
#
# Returns 1 if dhcpcd is installed, otherwise 0
dhcpcd_check_installed() {
if [[ -x /sbin/dhcpcd ]]; then
if dhcpcd -h 2>&1 | grep -q "etcDir" ; then
return 0
else
${1:-false} && eerror "We require dhcpcd-1.3.22_p4-r12 or newer"
return 1
fi
fi
${1:-false} && eerror "For DHCP (dhcpcd) support, emerge net-misc/dhcpcd"
return 1
}
# bool dhcpcd_check_depends(void)
#
# Checks to see if we have the needed functions
dhcpcd_check_depends() {
local f
for f in interface_exists interface_get_address; do
[[ $( type -t "${f}" ) == "function" ]] && continue
eerror "dhcpcd: missing required function ${f}\n"
return 1
done
return 0
}
# char* dhcpcd_get_vars(char *interface)
#
# Returns a string spaced with possible user set
# configuration variables
dhcpcd_get_vars() {
echo "dhcpcd_$1 dhcp_$1"
}
# bool dhcpcd_stop(char *iface)
#
# Stop DHCP on an interface by calling dhcpcd -z $iface
#
# Returns 0 (true) when a DHCP address dropped
# otherwise return 1
dhcpcd_stop() {
local iface=$1 count signal pidfile="/var/run/dhcpcd-$1.pid" d
dhcpcd_check_installed || return 0
[[ ! -f ${pidfile} ]] && return 0
ebegin "Stopping dhcpcd on ${iface}"
local pid=$( < "${pidfile}" )
local ifvar=$( bash_variable "${iface}" )
eval d=\" \$\{dhcp_${ifvar}\} \"
[[ ${d} == " " ]] && d=" ${dhcp} "
if [[ ${d} == *" release "* ]]; then
signal="HUP"
else
signal="TERM"
fi
kill -s "${signal}" "${pid}" &>/dev/null
process_finished "${pid}" dhcpcd
eend $? "timed out"
return $?
}
# bool dhcpcd_start(char *iface)
#
# Start DHCP on an interface by calling dhcpcd $iface $options
#
# Returns 0 (true) when a DHCP address is obtained, otherwise 1
dhcpcd_start() {
local iface="$1" opts hostname pidfile="/var/run/dhcpcd-$1.pid"
local ifvar=$( bash_variable "${iface}" ) metric d
interface_exists "${iface}" true || return 1
# Get our options
eval opts=\" \$\{dhcpcd_${ifvar}\} \"
# Map some generic options to dhcpcd
eval d=\" \$\{dhcp_${ifvar}\} \"
[[ ${d} == " " ]] && d=" ${dhcp} "
[[ ${d} == *" nodns "* ]] && opts="${opts} -R"
[[ ${d} == *" nontp "* ]] && opts="${opts} -N"
[[ ${d} == *" nonis "* ]] && opts="${opts} -Y"
[[ ${d} == *" nogateway "* ]] && opts="${opts} -G"
# We transmit the hostname by default
if [[ ${d} != *" nosendhost "* && ${opts} != *" -h "* ]]; then
hostname=$( hostname )
[[ -n ${hostname} && ${hostname} != "(none)" \
&& ${hostname} != "localhost" ]] \
&& opts="-h \"${hostname}\" ${opts}"
fi
# Stop dhcpcd from bringing the interface down when we exit
opts="${opts} -o"
# Add our route metric
eval metric=\"\$\{metric_${ifvar}\}\"
[[ -n ${metric} ]] && opts="${opts} -m ${metric}"
# Instruct dhcpcd to use our wrapper
opts="${opts} -c \"/lib/rcscripts/net.modules.d/helpers.d/dhcpcd-wrapper\""
# Instruct dhcpcd to create it's files in our state dir
opts="${opts} -e \"${statedir}/${iface}\""
# Bring up DHCP for this interface (or alias)
ebegin "Running dhcpcd"
# Halt any existing dhcpcd process
dhcpcd_stop "${iface}"
[[ ! -d "${statedir}/${iface}" ]] && mkdir -m 0755 -p "${statedir}/${iface}"
if [[ ${background} == "yes" ]]; then
eval dhcpcd ${opts} ${iface} &
eend 0
go_background
fi
eval dhcpcd ${opts} ${iface}
eend $? || return 1
# DHCP succeeded, show address retrieved
local addr=$( interface_get_address "${iface}" )
einfo "${iface} received address ${addr}"
return 0
}
# vim:ts=4
|
GitWeb