| #!/bin/sh |
| |
| ######################################################################## |
| ######################################################################## |
| ## |
| ## Tripwire(R) 2.3 for LINUX(R) Post-RPM installation script |
| ## |
| ## Copyleft information contained in footer |
| ## |
| ######################################################################## |
| ######################################################################## |
| |
| ##======================================================= |
| ## Setup |
| ##======================================================= |
| |
| # We can assume all the correct tools are in place because the |
| # RPM installed, didn't it? |
| |
| ##------------------------------------------------------- |
| ## Set HOST_NAME variable |
| ##------------------------------------------------------- |
| HOST_NAME='localhost' |
| if uname -n > /dev/null 2> /dev/null ; then |
| HOST_NAME=`uname -n` |
| fi |
| |
| ##------------------------------------------------------- |
| ## Program variables - edited by RPM during initial install |
| ##------------------------------------------------------- |
| |
| # Site Passphrase variable |
| TW_SITE_PASS="tripwire" |
| |
| # Complete path to site key |
| SITE_KEY="/etc/tripwire/site.key" |
| |
| # Local Passphrase variable |
| TW_LOCAL_PASS="tripwire" |
| |
| # Complete path to local key |
| LOCAL_KEY="/etc/tripwire/${HOST_NAME}-local.key" |
| |
| # If clobber==true, overwrite files; if false, do not overwrite files. |
| CLOBBER="false" |
| |
| # If prompt==true, ask for confirmation before continuing with install. |
| PROMPT="true" |
| |
| # Name of twadmin executeable |
| TWADMIN="twadmin" |
| |
| # Path to twadmin executeable |
| TWADMPATH=/usr/sbin |
| |
| # Path to configuration directory |
| CONF_PATH="/etc/tripwire" |
| |
| # Name of clear text policy file |
| TXT_POL=$CONF_PATH/twpol.txt |
| |
| # Name of clear text configuration file |
| TXT_CFG=$CONF_PATH/twcfg.txt |
| |
| # Name of encrypted configuration file |
| CONFIG_FILE=$CONF_PATH/tw.cfg |
| |
| # Path of the final Tripwire policy file (signed) |
| SIGNED_POL=`grep POLFILE $TXT_CFG | sed -e 's/^.*=\(.*\)/\1/'` |
| |
| |
| ##======================================================= |
| ## Create Key Files |
| ##======================================================= |
| |
| ##------------------------------------------------------- |
| ## If user has to enter a passphrase, give some |
| ## advice about what is appropriate. |
| ##------------------------------------------------------- |
| |
| if [ -z "$TW_SITE_PASS" ] || [ -z "$TW_LOCAL_PASS" ]; then |
| cat << END_OF_TEXT |
| |
| ---------------------------------------------- |
| The Tripwire site and local passphrases are used to |
| sign a variety of files, such as the configuration, |
| policy, and database files. |
| |
| Passphrases should be at least 8 characters in length |
| and contain both letters and numbers. |
| |
| See the Tripwire manual for more information. |
| END_OF_TEXT |
| fi |
| |
| ##======================================================= |
| ## Generate keys. |
| ##======================================================= |
| |
| echo |
| echo "----------------------------------------------" |
| echo "Creating key files..." |
| |
| ##------------------------------------------------------- |
| ## Site key file. |
| ##------------------------------------------------------- |
| |
| # If clobber is true, and prompting is off (unattended operation) |
| # and the key file already exists, remove it. Otherwise twadmin |
| # will prompt with an "are you sure?" message. |
| |
| if [ "$CLOBBER" = "true" ] && [ "$PROMPT" = "false" ] && [ -f "$SITE_KEY" ] ; then |
| rm -f "$SITE_KEY" |
| fi |
| |
| if [ -f "$SITE_KEY" ] && [ "$CLOBBER" = "false" ] ; then |
| echo "The site key file \"$SITE_KEY\"" |
| echo 'exists and will not be overwritten.' |
| else |
| cmdargs="--generate-keys --site-keyfile \"$SITE_KEY\"" |
| if [ -n "$TW_SITE_PASS" ] ; then |
| cmdargs="$cmdargs --site-passphrase \"$TW_SITE_PASS\"" |
| fi |
| eval "\"$TWADMPATH/$TWADMIN\" $cmdargs" |
| if [ $? -ne 0 ] ; then |
| echo "Error: site key generation failed" |
| exit 1 |
| else chmod 640 "$SITE_KEY" |
| fi |
| fi |
| |
| ##------------------------------------------------------- |
| ## Local key file. |
| ##------------------------------------------------------- |
| |
| # If clobber is true, and prompting is off (unattended operation) |
| # and the key file already exists, remove it. Otherwise twadmin |
| # will prompt with an "are you sure?" message. |
| |
| if [ "$CLOBBER" = "true" ] && [ "$PROMPT" = "false" ] && [ -f "$LOCAL_KEY" ] ; then |
| rm -f "$LOCAL_KEY" |
| fi |
| |
| if [ -f "$LOCAL_KEY" ] && [ "$CLOBBER" = "false" ] ; then |
| echo "The site key file \"$LOCAL_KEY\"" |
| echo 'exists and will not be overwritten.' |
| else |
| cmdargs="--generate-keys --local-keyfile \"$LOCAL_KEY\"" |
| if [ -n "$TW_LOCAL_PASS" ] ; then |
| cmdargs="$cmdargs --local-passphrase \"$TW_LOCAL_PASS\"" |
| fi |
| eval "\"$TWADMPATH/$TWADMIN\" $cmdargs" |
| if [ $? -ne 0 ] ; then |
| echo "Error: local key generation failed" |
| exit 1 |
| else chmod 640 "$LOCAL_KEY" |
| fi |
| fi |
| |
| ##======================================================= |
| ## Sign the Configuration File |
| ##======================================================= |
| |
| echo |
| echo "----------------------------------------------" |
| echo "Signing configuration file..." |
| |
| ##------------------------------------------------------- |
| ## If noclobber, then backup any existing config file. |
| ##------------------------------------------------------- |
| |
| if [ "$CLOBBER" = "false" ] && [ -s "$CONFIG_FILE" ] ; then |
| backup="${CONFIG_FILE}.$$.bak" |
| echo "Backing up $CONFIG_FILE" |
| echo " to $backup" |
| `mv "$CONFIG_FILE" "$backup"` |
| if [ $? -ne 0 ] ; then |
| echo "Error: backup of configuration file failed." |
| exit 1 |
| fi |
| fi |
| |
| ##------------------------------------------------------- |
| ## Build command line. |
| ##------------------------------------------------------- |
| |
| cmdargs="--create-cfgfile" |
| cmdargs="$cmdargs --cfgfile \"$CONFIG_FILE\"" |
| cmdargs="$cmdargs --site-keyfile \"$SITE_KEY\"" |
| if [ -n "$TW_SITE_PASS" ] ; then |
| cmdargs="$cmdargs --site-passphrase \"$TW_SITE_PASS\"" |
| fi |
| |
| ##------------------------------------------------------- |
| ## Sign the file. |
| ##------------------------------------------------------- |
| |
| eval "\"$TWADMPATH/$TWADMIN\" $cmdargs \"$TXT_CFG\"" |
| if [ $? -ne 0 ] ; then |
| echo "Error: signing of configuration file failed." |
| exit 1 |
| fi |
| |
| # Set the rights properly |
| chmod 640 "$CONFIG_FILE" |
| |
| ##------------------------------------------------------- |
| ## We keep the cleartext version around. |
| ##------------------------------------------------------- |
| |
| cat << END_OF_TEXT |
| |
| A clear-text version of the Tripwire configuration file |
| $TXT_CFG |
| has been preserved for your inspection. It is recommended |
| that you delete this file manually after you have examined it. |
| |
| END_OF_TEXT |
| |
| ##======================================================= |
| ## Sign tripwire policy file. |
| ##======================================================= |
| |
| echo |
| echo "----------------------------------------------" |
| echo "Signing policy file..." |
| |
| ##------------------------------------------------------- |
| ## If noclobber, then backup any existing policy file. |
| ##------------------------------------------------------- |
| |
| if [ "$CLOBBER" = "false" ] && [ -s "$POLICY_FILE" ] ; then |
| backup="${POLICY_FILE}.$$.bak" |
| echo "Backing up $POLICY_FILE" |
| echo " to $backup" |
| mv "$POLICY_FILE" "$backup" |
| if [ $? -ne 0 ] ; then |
| echo "Error: backup of policy file failed." |
| exit 1 |
| fi |
| fi |
| |
| ##------------------------------------------------------- |
| ## Build command line. |
| ##------------------------------------------------------- |
| |
| cmdargs="--create-polfile" |
| cmdargs="$cmdargs --cfgfile \"$CONFIG_FILE\"" |
| cmdargs="$cmdargs --site-keyfile \"$SITE_KEY\"" |
| if [ -n "$TW_SITE_PASS" ] ; then |
| cmdargs="$cmdargs --site-passphrase \"$TW_SITE_PASS\"" |
| fi |
| |
| ##------------------------------------------------------- |
| ## Sign the file. |
| ##------------------------------------------------------- |
| |
| eval "\"$TWADMPATH/$TWADMIN\" $cmdargs \"$TXT_POL\"" |
| if [ $? -ne 0 ] ; then |
| echo "Error: signing of policy file failed." |
| exit 1 |
| fi |
| |
| # Set the proper rights on the newly signed policy file. |
| chmod 0640 "$SIGNED_POL" |
| |
| ##------------------------------------------------------- |
| ## We keep the cleartext version around. |
| ##------------------------------------------------------- |
| |
| cat << END_OF_TEXT |
| |
| A clear-text version of the Tripwire policy file |
| $TXT_POL |
| has been preserved for your inspection. This implements |
| a minimal policy, intended only to test essential |
| Tripwire functionality. You should edit the policy file |
| to describe your system, and then use twadmin to generate |
| a new signed copy of the Tripwire policy. |
| |
| END_OF_TEXT |
| |
| # Initialize tripwire database |
| /usr/sbin/tripwire --init --cfgfile $CONFIG_FILE --site-keyfile $SITE_KEY \ |
| --local-passphrase $TW_LOCAL_PASS 2> /dev/null |
| |
| ######################################################################## |
| ######################################################################## |
| # |
| # TRIPWIRE GPL NOTICES |
| # |
| # The developer of the original code and/or files is Tripwire, Inc. |
| # Portions created by Tripwire, Inc. are copyright 2000 Tripwire, Inc. |
| # Tripwire is a registered trademark of Tripwire, Inc. All rights reserved. |
| # |
| # This program is free software. The contents of this file are subject to |
| # the terms of the GNU General Public License as published by the Free |
| # Software Foundation; either version 2 of the License, or (at your option) |
| # any later version. You may redistribute it and/or modify it only in |
| # compliance with the GNU General Public License. |
| # |
| # This program is distributed in the hope that it will be useful. However, |
| # this program is distributed "AS-IS" WITHOUT ANY WARRANTY; INCLUDING THE |
| # IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| # Please see the GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License along |
| # with this program; if not, write to the Free Software Foundation, Inc., |
| # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| # |
| # Nothing in the GNU General Public License or any other license to use the |
| # code or files shall permit you to use Tripwire's trademarks, |
| # service marks, or other intellectual property without Tripwire's |
| # prior written consent. |
| # |
| # If you have any questions, please contact Tripwire, Inc. at either |
| # info@tripwire.org or www.tripwire.org. |
| # |
| ######################################################################## |
| ######################################################################## |