Annotation of embedaddon/dhcp/client/scripts/macos, revision 1.1.1.1
1.1 misho 1: #!/bin/sh
2: #
1.1.1.1 ! misho 3: # $Id: macos,v 1.2.222.2 2011/09/20 17:08:43 sar Exp $
1.1 misho 4: #
5: # automous run of this script will commit the DNS setting
6: #
7:
8: if [ -x /usr/bin/logger ]; then
9: LOGGER="/usr/bin/logger -s -p user.notice -t dhclient"
10: else
11: LOGGER=echo
12: fi
13:
14: to_commit="yes"
15:
16: make_resolv_conf() {
17: to_commit="no"
18: if [ "x${new_dhcp6_name_servers}" != x ]; then
19: ( cat /dev/null > /var/run/resolv.conf.dhclient6 )
20: exit_status=$?
21: if [ $exit_status -ne 0 ]; then
22: $LOGGER "Unable to create /var/run/resolv.conf.dhclient6: Error $exit_status"
23: else
24: if [ "x${new_dhcp6_domain_search}" != x ]; then
25: ( echo search ${new_dhcp6_domain_search} >> /var/run/resolv.conf.dhclient6 )
26: exit_status=$?
27: fi
28: for nameserver in ${new_dhcp6_name_servers} ; do
29: if [ $exit_status -ne 0 ]; then
30: break
31: fi
32: # If the nameserver has a link-local address
33: # add a <zone_id> (interface name) to it.
34: case $nameserver in
35: fe80:*) zone_id="%$interface";;
36: FE80:*) zone_id="%$interface";;
37: *) zone_id='';;
38: esac
39: ( echo nameserver ${nameserver}$zone_id >> /etc/resolv.conf.dhclient6 )
40: exit_status=$?
41: done
42:
43: if [ $exit_status -eq 0 ]; then
44: to_commit="force"
45: commit_resolv_conf
46: fi
47: fi
48: fi
49: }
50:
51: # Try to commit /var/run/resolv.conf.dhclient6 contents to
52: # System Configuration framework's Dynamic Store.
53: # Note this will be cleared by the next location change
54: # or preempted by IPv4.
55: #
56: # The System Configuration agent "IPMonitor" gets the DNS configuration
57: # from the IPv4 or IPv6 primary service in the Dynamic Store
58: # (managed by configd).
59: commit_resolv_conf() {
60: if [ -f /var/run/resolv.conf.dhclient6 ]; then
61: if [ -x /usr/sbin/scutil ]; then
62: serviceID=`echo show State:/Network/Global/IPv6 | \
63: /usr/sbin/scutil | \
64: awk '/PrimaryService/ { print $3 }'`
65: echo $serviceID
66: if [ x$serviceID = x ]; then
67: $LOGGER "Can't find the primary IPv6 service"
68: else
69: tmp=`mktemp SC_dhclient6.XXXXXXXXXX`
70: echo list | /usr/sbin/scutil > /tmp/$tmp
71: grep -q State:/Network/Service/$serviceID/DNS /tmp/$tmp
72: grep_status=$?
73: if [ $grep_status -eq 0 ]; then
74: $LOGGER "DNS service already set in primary IPv6 service"
75: rm /tmp/$tmp
76: else
77: res=/var/run/resolv.conf.dhclient6
78: cp /dev/null /tmp/$tmp
79: grep -q '^nameserver' $res
80: grep_status=$?
81: if [ $grep_status -eq 0 ]; then
82: echo d.add ServerAddresses '*' \
83: `awk 'BEGIN { n="" } \
84: /^nameserver/ { n=n " " $2 } \
85: END { print n}' < $res` >> /tmp/$tmp
86: fi
87: grep -q '^search' $res
88: grep_status=$?
89: if [ $grep_status -eq 0 ]; then
90: echo d.add SearchDomains '*' \
91: `sed 's/^search//' < $res` >> /tmp/$tmp
92: fi
93: echo set State:/Network/Service/$serviceID/DNS >> /tmp/$tmp
94: echo quit >> /tmp/$tmp
95: cat /tmp/$tmp
96: /usr/sbin/scutil < /tmp/$tmp
97: rm /tmp/$tmp
98: fi
99: fi
100: else
101: $LOGGER "Can't find SystemConfiguration tools."
102: fi
103: else
104: if [ $to_commit = force ]; then
105: $LOGGER "Can't find /var/run/resolv.conf.dhclient6"
106: fi
107: fi
108: to_commit="done"
109: }
110:
111: # Must be used on exit. Invokes the local dhcp client exit hooks, if any.
112: exit_with_hooks() {
113: exit_status=$1
114: if [ -f /etc/dhclient-exit-hooks ]; then
115: . /etc/dhclient-exit-hooks
116: fi
117: # probably should do something with exit status of the local script
118: exit $exit_status
119: }
120:
121: # Invoke the local dhcp client enter hooks, if they exist.
122: if [ -f /etc/dhclient-enter-hooks ]; then
123: exit_status=0
124: . /etc/dhclient-enter-hooks
125: # allow the local script to abort processing of this state
126: # local script must set exit_status variable to nonzero.
127: if [ $exit_status -ne 0 ]; then
128: exit $exit_status
129: fi
130: fi
131:
132: if [ x$reason = xMEDIUM ]; then
133: eval "ifconfig $interface $medium"
134: eval "ifconfig $interface inet -alias 0.0.0.0 $medium" >/dev/null 2>&1
135: sleep 1
136: exit_with_hooks 0
137: fi
138:
139: ###
140: ### DHCPv6 Handlers
141: ###
142:
143: if [ x$reason = xPREINIT6 ]; then
144: # Ensure interface is up.
145: ifconfig ${interface} up
146:
147: # XXX: Remove any stale addresses from aborted clients.
148:
149: exit_with_hooks 0
150: fi
151:
152: if [ x${old_ip6_prefix} != x ] || [ x${new_ip6_prefix} != x ]; then
153: echo Prefix $reason old=${old_ip6_prefix} new=${new_ip6_prefix}
154:
155: exit_with_hooks 0
156: fi
157:
158: if [ x$reason = xBOUND6 ]; then
159: if [ x${new_ip6_address} = x ] || [ x${new_ip6_prefixlen} = x ]; then
160: exit_with_hooks 2;
161: fi
162:
163: ifconfig ${interface} inet6 ${new_ip6_address}/${new_ip6_prefixlen} alias
164:
165: # Check for nameserver options.
166: make_resolv_conf
167:
168: exit_with_hooks 0
169: fi
170:
171: if [ x$reason = xRENEW6 ] || [ x$reason = xREBIND6 ]; then
172: # Make sure nothing has moved around on us.
173:
174: # Nameservers/domains/etc.
175: if [ "x${new_dhcp6_name_servers}" != "x${old_dhcp6_name_servers}" ] ||
176: [ "x${new_dhcp6_domain_search}" != "x${old_dhcp6_domain_search}" ]; then
177: make_resolv_conf
178: fi
179:
180: exit_with_hooks 0
181: fi
182:
183: if [ x$reason = xDEPREF6 ]; then
184: if [ x${new_ip6_address} = x ]; then
185: exit_with_hooks 2;
186: fi
187:
188: ifconfig ${interface} inet6 ${new_ip6_address} deprecated
189:
190: exit_with_hooks 0
191: fi
192:
193: if [ x$reason = xEXPIRE6 -o x$reason = xRELEASE6 -o x$reason = xSTOP6 ]; then
194: if [ x${old_ip6_address} = x ] || [ x${old_ip6_prefixlen} = x ]; then
195: exit_with_hooks 2;
196: fi
197:
198: ifconfig ${interface} inet6 ${old_ip6_address}/${old_ip6_prefixlen} -alias
199:
200: exit_with_hooks 0
201: fi
202:
203: if [ $to_commit = yes ]; then
204: commit_resolv_conf
205: fi
206:
207: exit_with_hooks 0
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