5 # Purpose : execute all tasks necessary prior to installation of Privoxy's files
7 # Copyright : Written by and Copyright (C) 2001-2012 the
8 # Privoxy team. http://www.privoxy.org/
10 # This program is free software; you can redistribute it
11 # and/or modify it under the terms of the GNU General
12 # Public License as published by the Free Software
13 # Foundation; either version 2 of the License, or (at
14 # your option) any later version.
16 # This program is distributed in the hope that it will
17 # be useful, but WITHOUT ANY WARRANTY; without even the
18 # implied warranty of MERCHANTABILITY or FITNESS FOR A
19 # PARTICULAR PURPOSE. See the GNU General Public
20 # License for more details.
22 # The GNU General Public License should be included with
23 # this file. If not, you can view it at
24 # http://www.gnu.org/copyleft/gpl.html
25 # or write to the Free Software Foundation, Inc.,
26 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
29 # Modification : If you modify this file please consider whether your
30 # changes ought to be passed back to the macsetup module.
33 # This preinstall script:
34 # 1. Shuts down Privoxy if it's running
35 # 2. Detects the version of OS X on which we're installing
36 # 3. Creates the privoxy group and user
37 # 4. Backs up any existing log & configuration files
39 # create installation log file
40 logfile='/var/privoxy_installation.log'
41 echo 'Privoxy installation on' `/bin/date` > ${logfile}
43 # 1. Stop the Privoxy service if it's running
45 # The following will only return a value if there is a process whose name contains '/privoxy'
46 # We need the / so as to exclude the scripts that'll be running during installtion
47 privoxy_pid=`ps -ax | grep /privoxy | grep -v grep | awk '{ print $1 }'`
48 # if privoxy_pid is a number (reroute stderr to dump "integer expression expected" error which'll be thrown if Privoxy isn't running)
49 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
50 # try using the appropriate startup method to stop it (else it might simply restart)
51 if [ `/bin/launchctl list | /usr/bin/grep "org.ijbswa.privoxy" | /usr/bin/awk '{print $3}'` ]; then
52 echo 'Stopping Privoxy via LaunchDaemon.' >> ${logfile}
53 /bin/launchctl unload /Library/LaunchDaemons/org.ijbswa.privoxy.plist >> ${logfile} 2>&1
54 # give Privoxy a chance to shut down
57 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
58 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
59 if [ -f /Library/StartupItems/Privoxy/Privoxy ]; then
60 echo 'Stopping Privoxy via StartupItem.' >> ${logfile}
61 /Library/StartupItems/Privoxy/Privoxy stop >> ${logfile} 2>&1
62 # give Privoxy a chance to shut down
65 # If neither of the above shutdown methods (installed by a prior 'approved' installer) work,
66 # then shut down Privoxy the Unix way
67 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
68 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
69 echo 'Privoxy not shutting down via OS X startup methods, doing it the Unix way.' >> ${logfile}
70 /bin/kill -TERM "${privoxy_pid}" >> ${logfile} 2>&1
71 # give Privoxy a chance to shut down
73 # if Privoxy is still running then terminate it aggressively
74 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
75 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
76 echo 'Privoxy still not shutting down so must be hung. Killing it aggressively.' >> ${logfile}
77 /bin/kill -KILL "${privoxy_pid}" >> ${logfile} 2>&1
78 /bin/rm -f /var/run/privoxy.pid
83 echo 'Privoxy not running.' >> ${logfile}
86 # 2. Detect the version of OS X on which we're installing
88 darwin_major_rel_num="`/usr/bin/uname -r | /usr/bin/sed 's/\..*//'`"
89 echo 'Darwin major release version is:' ${darwin_major_rel_num} >> ${logfile}
91 # 3. Create the privoxy group and user (using the host-specific command to do so)
93 case "${darwin_major_rel_num}" in
94 # Mac OS X 10.5 or higher
96 GNAME="`/usr/bin/dscl /Local/Default -list /groups | /usr/bin/grep -E '^(_)?privoxy?'`"
97 UNAME="`/usr/bin/dscl /Local/Default -list /users | /usr/bin/grep -E '^(_)?privoxy?'`"
98 # create group if it does not exist
99 if [ -z ${GNAME} ]; then
100 GID1="`/usr/bin/dscl /Local/Default -list /groups gid | /usr/bin/awk '{print $2}' | /usr/bin/sort -n | /usr/bin/tail -1`"
101 Privoxy_GID="`/bin/expr ${GID1} + 1`"
102 echo 'Creating privoxy group using dscl' >> ${logfile}
103 /usr/bin/dscl /Local/Default -create /Groups/_privoxy >> ${logfile} 2>&1
104 /usr/bin/dscl /Local/Default -append /Groups/_privoxy RecordName privoxy >> ${logfile} 2>&1
105 /usr/bin/dscl /Local/Default -create /Groups/_privoxy Password "*" >> ${logfile} 2>&1
106 /usr/bin/dscl /Local/Default -create /Groups/_privoxy PrimaryGroupID ${Privoxy_GID} >> ${logfile} 2>&1
107 /usr/bin/dscl /Local/Default -create /Groups/_privoxy RealName "privoxy users" >> ${logfile} 2>&1
109 # create user if it does not exist
110 if [ -z ${UNAME} ]; then
111 UID1="`/usr/bin/dscl /Local/Default -list /users uid | /usr/bin/awk '{print $2}' | /usr/bin/sort -n | /usr/bin/tail -1`"
112 Privoxy_UID="`/bin/expr ${UID1} + 1`"
113 echo 'Creating privoxy user using dscl' >> ${logfile}
114 /usr/bin/dscl /Local/Default -create /Users/_privoxy >> ${logfile} 2>&1
115 /usr/bin/dscl /Local/Default -append /Users/_privoxy RecordName privoxy >> ${logfile} 2>&1
116 /usr/bin/dscl /Local/Default -create /Users/_privoxy NFSHomeDirectory /var/empty >> ${logfile} 2>&1
117 /usr/bin/dscl /Local/Default -create /Users/_privoxy Password "*" >> ${logfile} 2>&1
118 /usr/bin/dscl /Local/Default -create /Users/_privoxy PrimaryGroupID ${Privoxy_GID} >> ${logfile} 2>&1
119 /usr/bin/dscl /Local/Default -create /Users/_privoxy RealName "privoxy server" >> ${logfile} 2>&1
120 /usr/bin/dscl /Local/Default -create /Users/_privoxy UniqueID ${Privoxy_UID} >> ${logfile} 2>&1
121 /usr/bin/dscl /Local/Default -create /Users/_privoxy UserShell /usr/bin/false >> ${logfile} 2>&1
124 # Mac OS X 10.4, 10.3
126 GNAME="`/usr/bin/nireport . /groups name | /usr/bin/grep -E '^privoxy?'`"
127 UNAME="`/usr/bin/nireport . /users name | /usr/bin/grep -E '^privoxy?'`"
128 # create group if it does not exist
129 if [ -z ${GNAME} ]; then
130 GID1="`/usr/bin/nireport . /groups gid | /usr/bin/sort -n | /usr/bin/tail -1`"
131 Privoxy_GID="`/bin/expr ${GID1} + 1`"
132 echo 'Creating privoxy group using nicl' >> ${logfile}
133 /usr/bin/nicl . -create /groups/privoxy >> ${logfile} 2>&1
134 /usr/bin/nicl . -create /groups/privoxy passwd "*" >> ${logfile} 2>&1
135 /usr/bin/nicl . -create /groups/privoxy gid ${Privoxy_GID} >> ${logfile} 2>&1
137 # create user if it does not exist
138 if [ -z ${UNAME} ]; then
139 UID1="`/usr/bin/nireport . /users uid | /usr/bin/sort -n | /usr/bin/tail -1`"
140 Privoxy_UID="`/bin/expr ${UID1} + 1`"
141 echo 'Creating privoxy user using nicl' >> ${logfile}
142 /usr/bin/nicl . -create /users/privoxy >> ${logfile} 2>&1
143 /usr/bin/nicl . -create /users/privoxy passwd "*" >> ${logfile} 2>&1
144 /usr/bin/nicl . -create /users/privoxy uid ${Privoxy_UID} >> ${logfile} 2>&1
145 /usr/bin/nicl . -create /users/privoxy gid ${Privoxy_GID} >> ${logfile} 2>&1
146 /usr/bin/nicl . -create /users/privoxy change 0 >> ${logfile} 2>&1
147 /usr/bin/nicl . -create /users/privoxy expire 0 >> ${logfile} 2>&1
148 /usr/bin/nicl . -create /users/privoxy realname "Privoxy Web Proxy" >> ${logfile} 2>&1
149 /usr/bin/nicl . -create /users/privoxy home /var/empty >> ${logfile} 2>&1
150 /usr/bin/nicl . -create /users/privoxy shell /usr/bin/false >> ${logfile} 2>&1
151 /usr/bin/nicl . -create /users/privoxy _shadow_passwd "" >> ${logfile} 2>&1
161 # 4. Back up any existing log & configuration files
163 if [ -f /var/log/privoxy/logfile.log ]; then
164 echo 'Backing up existing logfile' >> ${logfile}
165 /bin/cp /var/log/privoxy/logfile.log /var/log/privoxy/logfile.old >> ${logfile} 2>&1
166 /usr/sbin/chown privoxy:privoxy /var/log/privoxy/logfile.old >> ${logfile} 2>&1
168 if [ -d /usr/local/etc/privoxy ]; then
169 for i in config match-all.action trust user.action user.filter; do
170 echo 'Backing up existing config file:' ${i} >> ${logfile}
171 if [ -f /usr/local/etc/privoxy/$i ]; then
172 /bin/cp /usr/local/etc/privoxy/$i /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
173 /usr/sbin/chown privoxy:privoxy /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
176 echo 'Backing up existing config templates' >> ${logfile}
177 /bin/cp -R /usr/local/etc/privoxy/templates /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1
178 /usr/sbin/chown -R privoxy:privoxy /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1