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 OSXPackageBuilder
34 # This preinstall script:
35 # 1. Shuts down Privoxy if it's running
36 # 2. Detects the version of OS X on which we're installing
37 # 3. Creates the privoxy group and user
38 # 4. Backs up any existing log & configuration files
40 # create installation log file
41 logfile='/var/privoxy_installation.log'
42 echo 'Privoxy installation on' `/bin/date` > ${logfile}
44 # 1. Stop the Privoxy service if it's running
46 # The following will only return a value if there is a process whose name contains '/privoxy'
47 # We need the / so as to exclude the scripts that'll be running during installtion
48 privoxy_pid=`ps -ax | grep /privoxy | grep -v grep | awk '{ print $1 }'`
49 # if privoxy_pid is a number (reroute stderr to dump "integer expression expected" error which'll be thrown if Privoxy isn't running)
50 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
51 # try using the appropriate startup method to stop it (else it might simply restart)
52 if [ `/bin/launchctl list | /usr/bin/grep "org.ijbswa.privoxy" | /usr/bin/awk '{print $3}'` ]; then
53 echo 'Stopping Privoxy via LaunchDaemon.' >> ${logfile}
54 /bin/launchctl unload /Library/LaunchDaemons/org.ijbswa.privoxy.plist >> ${logfile} 2>&1
55 # give Privoxy a chance to shut down
58 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
59 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
60 if [ -f /Library/StartupItems/Privoxy/Privoxy ]; then
61 echo 'Stopping Privoxy via StartupItem.' >> ${logfile}
62 /Library/StartupItems/Privoxy/Privoxy stop >> ${logfile} 2>&1
63 # give Privoxy a chance to shut down
66 # If neither of the above shutdown methods (installed by a prior 'approved' installer) work,
67 # then shut down Privoxy the Unix way
68 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
69 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
70 echo 'Privoxy not shutting down via OS X startup methods, doing it the Unix way.' >> ${logfile}
71 /bin/kill -TERM "${privoxy_pid}" >> ${logfile} 2>&1
72 # give Privoxy a chance to shut down
74 # if Privoxy is still running then terminate it aggressively
75 privoxy_pid=`ps -ax | grep privoxy | grep -v grep | awk '{ print $1 }'`
76 if [ "$privoxy_pid" -gt 0 ] 2>/dev/null; then
77 echo 'Privoxy still not shutting down so must be hung. Killing it aggressively.' >> ${logfile}
78 /bin/kill -KILL "${privoxy_pid}" >> ${logfile} 2>&1
79 /bin/rm -f /var/run/privoxy.pid
84 echo 'Privoxy not running.' >> ${logfile}
87 # 2. Detect the version of OS X on which we're installing
89 darwin_major_rel_num="`/usr/bin/uname -r | /usr/bin/sed 's/\..*//'`"
90 echo 'Darwin major release version is:' ${darwin_major_rel_num} >> ${logfile}
92 # 3. Create the privoxy group and user (using the host-specific command to do so)
94 case "${darwin_major_rel_num}" in
95 # Mac OS X 10.5 or higher
97 GNAME="`/usr/bin/dscl /Local/Default -list /groups | /usr/bin/grep -E '^(_)?privoxy?'`"
98 UNAME="`/usr/bin/dscl /Local/Default -list /users | /usr/bin/grep -E '^(_)?privoxy?'`"
99 # create group if it does not exist
100 if [ -z ${GNAME} ]; then
101 GID1="`/usr/bin/dscl /Local/Default -list /groups gid | /usr/bin/awk '{print $2}' | /usr/bin/sort -n | /usr/bin/tail -1`"
102 Privoxy_GID="`/bin/expr ${GID1} + 1`"
103 echo 'Creating privoxy group using dscl' >> ${logfile}
104 /usr/bin/dscl /Local/Default -create /Groups/_privoxy >> ${logfile} 2>&1
105 /usr/bin/dscl /Local/Default -append /Groups/_privoxy RecordName privoxy >> ${logfile} 2>&1
106 /usr/bin/dscl /Local/Default -create /Groups/_privoxy Password "*" >> ${logfile} 2>&1
107 /usr/bin/dscl /Local/Default -create /Groups/_privoxy PrimaryGroupID ${Privoxy_GID} >> ${logfile} 2>&1
108 /usr/bin/dscl /Local/Default -create /Groups/_privoxy RealName "privoxy users" >> ${logfile} 2>&1
110 # create user if it does not exist
111 if [ -z ${UNAME} ]; then
112 UID1="`/usr/bin/dscl /Local/Default -list /users uid | /usr/bin/awk '{print $2}' | /usr/bin/sort -n | /usr/bin/tail -1`"
113 Privoxy_UID="`/bin/expr ${UID1} + 1`"
114 echo 'Creating privoxy user using dscl' >> ${logfile}
115 /usr/bin/dscl /Local/Default -create /Users/_privoxy >> ${logfile} 2>&1
116 /usr/bin/dscl /Local/Default -append /Users/_privoxy RecordName privoxy >> ${logfile} 2>&1
117 /usr/bin/dscl /Local/Default -create /Users/_privoxy NFSHomeDirectory /var/empty >> ${logfile} 2>&1
118 /usr/bin/dscl /Local/Default -create /Users/_privoxy Password "*" >> ${logfile} 2>&1
119 /usr/bin/dscl /Local/Default -create /Users/_privoxy PrimaryGroupID ${Privoxy_GID} >> ${logfile} 2>&1
120 /usr/bin/dscl /Local/Default -create /Users/_privoxy RealName "privoxy server" >> ${logfile} 2>&1
121 /usr/bin/dscl /Local/Default -create /Users/_privoxy UniqueID ${Privoxy_UID} >> ${logfile} 2>&1
122 /usr/bin/dscl /Local/Default -create /Users/_privoxy UserShell /usr/bin/false >> ${logfile} 2>&1
125 # Mac OS X 10.4, 10.3
127 GNAME="`/usr/bin/nireport . /groups name | /usr/bin/grep -E '^privoxy?'`"
128 UNAME="`/usr/bin/nireport . /users name | /usr/bin/grep -E '^privoxy?'`"
129 # create group if it does not exist
130 if [ -z ${GNAME} ]; then
131 GID1="`/usr/bin/nireport . /groups gid | /usr/bin/sort -n | /usr/bin/tail -1`"
132 Privoxy_GID="`/bin/expr ${GID1} + 1`"
133 echo 'Creating privoxy group using nicl' >> ${logfile}
134 /usr/bin/nicl . -create /groups/privoxy >> ${logfile} 2>&1
135 /usr/bin/nicl . -create /groups/privoxy passwd "*" >> ${logfile} 2>&1
136 /usr/bin/nicl . -create /groups/privoxy gid ${Privoxy_GID} >> ${logfile} 2>&1
138 # create user if it does not exist
139 if [ -z ${UNAME} ]; then
140 UID1="`/usr/bin/nireport . /users uid | /usr/bin/sort -n | /usr/bin/tail -1`"
141 Privoxy_UID="`/bin/expr ${UID1} + 1`"
142 echo 'Creating privoxy user using nicl' >> ${logfile}
143 /usr/bin/nicl . -create /users/privoxy >> ${logfile} 2>&1
144 /usr/bin/nicl . -create /users/privoxy passwd "*" >> ${logfile} 2>&1
145 /usr/bin/nicl . -create /users/privoxy uid ${Privoxy_UID} >> ${logfile} 2>&1
146 /usr/bin/nicl . -create /users/privoxy gid ${Privoxy_GID} >> ${logfile} 2>&1
147 /usr/bin/nicl . -create /users/privoxy change 0 >> ${logfile} 2>&1
148 /usr/bin/nicl . -create /users/privoxy expire 0 >> ${logfile} 2>&1
149 /usr/bin/nicl . -create /users/privoxy realname "Privoxy Web Proxy" >> ${logfile} 2>&1
150 /usr/bin/nicl . -create /users/privoxy home /var/empty >> ${logfile} 2>&1
151 /usr/bin/nicl . -create /users/privoxy shell /usr/bin/false >> ${logfile} 2>&1
152 /usr/bin/nicl . -create /users/privoxy _shadow_passwd "" >> ${logfile} 2>&1
162 # 4. Back up any existing log & configuration files
164 if [ -f /var/log/privoxy/logfile.log ]; then
165 echo 'Backing up existing logfile' >> ${logfile}
166 /bin/cp /var/log/privoxy/logfile.log /var/log/privoxy/logfile.old >> ${logfile} 2>&1
167 /usr/sbin/chown privoxy:privoxy /var/log/privoxy/logfile.old >> ${logfile} 2>&1
169 if [ -d /usr/local/etc/privoxy ]; then
170 for i in config match-all.action trust user.action user.filter; do
171 echo 'Backing up existing config file:' ${i} >> ${logfile}
172 if [ -f /usr/local/etc/privoxy/$i ]; then
173 /bin/cp /usr/local/etc/privoxy/$i /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
174 /usr/sbin/chown privoxy:privoxy /usr/local/etc/privoxy/$i.old >> ${logfile} 2>&1
177 echo 'Backing up existing config templates' >> ${logfile}
178 /bin/cp -R /usr/local/etc/privoxy/templates /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1
179 /usr/sbin/chown -R privoxy:privoxy /usr/local/etc/privoxy/templates.old >> ${logfile} 2>&1