1#!/bin/sh 2# 3# buildbff.sh: Create AIX SMIT-installable OpenSSH packages 4# $Id: buildbff.sh,v 1.13 2011/05/05 03:48:41 djm Exp $ 5# 6# Author: Darren Tucker (dtucker at zip dot com dot au) 7# This file is placed in the public domain and comes with absolutely 8# no warranty. 9# 10# Based originally on Ben Lindstrom's buildpkg.sh for Solaris 11# 12 13# 14# Tunable configuration settings 15# create a "config.local" in your build directory or set 16# environment variables to override these. 17# 18[ -z "$PERMIT_ROOT_LOGIN" ] && PERMIT_ROOT_LOGIN=no 19[ -z "$X11_FORWARDING" ] && X11_FORWARDING=no 20[ -z "$AIX_SRC" ] && AIX_SRC=no 21 22umask 022 23 24startdir=`pwd` 25 26perl -v >/dev/null || (echo perl required; exit 1) 27 28# Path to inventory.sh: same place as buildbff.sh 29if echo $0 | egrep '^/' 30then 31 inventory=`dirname $0`/inventory.sh # absolute path 32else 33 inventory=`pwd`/`dirname $0`/inventory.sh # relative path 34fi 35 36# 37# We still support running from contrib/aix, but this is deprecated 38# 39if pwd | egrep 'contrib/aix$' 40then 41 echo "Changing directory to `pwd`/../.." 42 echo "Please run buildbff.sh from your build directory in future." 43 cd ../.. 44 contribaix=1 45fi 46 47if [ ! -f Makefile ] 48then 49 echo "Makefile not found (did you run configure?)" 50 exit 1 51fi 52 53# 54# Directories used during build: 55# current dir = $objdir directory you ran ./configure in. 56# $objdir/$PKGDIR/ directory package files are constructed in 57# $objdir/$PKGDIR/root/ package root ($FAKE_ROOT) 58# 59objdir=`pwd` 60PKGNAME=openssh 61PKGDIR=package 62 63# 64# Collect local configuration settings to override defaults 65# 66if [ -s ./config.local ] 67then 68 echo Reading local settings from config.local 69 . ./config.local 70fi 71 72# 73# Fill in some details from Makefile, like prefix and sysconfdir 74# the eval also expands variables like sysconfdir=${prefix}/etc 75# provided they are eval'ed in the correct order 76# 77for confvar in prefix exec_prefix bindir sbindir libexecdir datadir mandir mansubdir sysconfdir piddir srcdir 78do 79 eval $confvar=`grep "^$confvar=" $objdir/Makefile | cut -d = -f 2` 80done 81 82# 83# Collect values of privsep user and privsep path 84# currently only found in config.h 85# 86for confvar in SSH_PRIVSEP_USER PRIVSEP_PATH 87do 88 eval $confvar=`awk '/#define[ \t]'$confvar'/{print $3}' $objdir/config.h` 89done 90 91# Set privsep defaults if not defined 92if [ -z "$SSH_PRIVSEP_USER" ] 93then 94 SSH_PRIVSEP_USER=sshd 95fi 96if [ -z "$PRIVSEP_PATH" ] 97then 98 PRIVSEP_PATH=/var/empty 99fi 100 101# Clean package build directory 102rm -rf $objdir/$PKGDIR 103FAKE_ROOT=$objdir/$PKGDIR/root 104mkdir -p $FAKE_ROOT 105 106# Start by faking root install 107echo "Faking root install..." 108cd $objdir 109make install-nokeys DESTDIR=$FAKE_ROOT 110 111if [ $? -gt 0 ] 112then 113 echo "Fake root install failed, stopping." 114 exit 1 115fi 116 117# 118# Copy informational files to include in package 119# 120cp $srcdir/LICENCE $objdir/$PKGDIR/ 121cp $srcdir/README* $objdir/$PKGDIR/ 122 123# 124# Extract common info requires for the 'info' part of the package. 125# AIX requires 4-part version numbers 126# 127VERSION=`./ssh -V 2>&1 | cut -f 1 -d , | cut -f 2 -d _` 128MAJOR=`echo $VERSION | cut -f 1 -d p | cut -f 1 -d .` 129MINOR=`echo $VERSION | cut -f 1 -d p | cut -f 2 -d .` 130PATCH=`echo $VERSION | cut -f 1 -d p | cut -f 3 -d .` 131PORTABLE=`echo $VERSION | awk 'BEGIN{FS="p"}{print $2}'` 132[ "$PATCH" = "" ] && PATCH=0 133[ "$PORTABLE" = "" ] && PORTABLE=0 134BFFVERSION=`printf "%d.%d.%d.%d" $MAJOR $MINOR $PATCH $PORTABLE` 135 136echo "Building BFF for $PKGNAME $VERSION (package version $BFFVERSION)" 137 138# 139# Set ssh and sshd parameters as per config.local 140# 141if [ "${PERMIT_ROOT_LOGIN}" = no ] 142then 143 perl -p -i -e "s/#PermitRootLogin yes/PermitRootLogin no/" \ 144 $FAKE_ROOT/${sysconfdir}/sshd_config 145fi 146if [ "${X11_FORWARDING}" = yes ] 147then 148 perl -p -i -e "s/#X11Forwarding no/X11Forwarding yes/" \ 149 $FAKE_ROOT/${sysconfdir}/sshd_config 150fi 151 152 153# Rename config files; postinstall script will copy them if necessary 154for cfgfile in ssh_config sshd_config 155do 156 mv $FAKE_ROOT/$sysconfdir/$cfgfile $FAKE_ROOT/$sysconfdir/$cfgfile.default 157done 158 159# 160# Generate lpp control files. 161# working dir is $FAKE_ROOT but files are generated in dir above 162# and moved into place just before creation of .bff 163# 164cd $FAKE_ROOT 165echo Generating LPP control files 166find . ! -name . -print >../openssh.al 167$inventory >../openssh.inventory 168 169cat <<EOD >../openssh.copyright 170This software is distributed under a BSD-style license. 171For the full text of the license, see /usr/lpp/openssh/LICENCE 172EOD 173 174# 175# openssh.size file allows filesystem expansion as required 176# generate list of directories containing files 177# then calculate disk usage for each directory and store in openssh.size 178# 179files=`find . -type f -print` 180dirs=`for file in $files; do dirname $file; done | sort -u` 181for dir in $dirs 182do 183 du $dir 184done > ../openssh.size 185 186# 187# Create postinstall script 188# 189cat <<EOF >>../openssh.post_i 190#!/bin/sh 191 192echo Creating configs from defaults if necessary. 193for cfgfile in ssh_config sshd_config 194do 195 if [ ! -f $sysconfdir/\$cfgfile ] 196 then 197 echo "Creating \$cfgfile from default" 198 cp $sysconfdir/\$cfgfile.default $sysconfdir/\$cfgfile 199 else 200 echo "\$cfgfile already exists." 201 fi 202done 203echo 204 205# Create PrivilegeSeparation user and group if not present 206echo Checking for PrivilegeSeparation user and group. 207if cut -f1 -d: /etc/group | egrep '^'$SSH_PRIVSEP_USER'\$' >/dev/null 208then 209 echo "PrivSep group $SSH_PRIVSEP_USER already exists." 210else 211 echo "Creating PrivSep group $SSH_PRIVSEP_USER." 212 mkgroup -A $SSH_PRIVSEP_USER 213fi 214 215# Create user if required 216if lsuser "$SSH_PRIVSEP_USER" >/dev/null 217then 218 echo "PrivSep user $SSH_PRIVSEP_USER already exists." 219else 220 echo "Creating PrivSep user $SSH_PRIVSEP_USER." 221 mkuser gecos='SSHD PrivSep User' login=false rlogin=false account_locked=true pgrp=$SSH_PRIVSEP_USER $SSH_PRIVSEP_USER 222fi 223 224if egrep '^[ \t]*UsePrivilegeSeparation[ \t]+no' $sysconfdir/sshd_config >/dev/null 225then 226 echo UsePrivilegeSeparation not enabled, privsep directory not required. 227else 228 # create chroot directory if required 229 if [ -d $PRIVSEP_PATH ] 230 then 231 echo "PrivSep chroot directory $PRIVSEP_PATH already exists." 232 else 233 echo "Creating PrivSep chroot directory $PRIVSEP_PATH." 234 mkdir $PRIVSEP_PATH 235 chown 0 $PRIVSEP_PATH 236 chgrp 0 $PRIVSEP_PATH 237 chmod 755 $PRIVSEP_PATH 238 fi 239fi 240echo 241 242# Generate keys unless they already exist 243echo Creating host keys if required. 244if [ -f "$sysconfdir/ssh_host_key" ] ; then 245 echo "$sysconfdir/ssh_host_key already exists, skipping." 246else 247 $bindir/ssh-keygen -t rsa1 -f $sysconfdir/ssh_host_key -N "" 248fi 249if [ -f $sysconfdir/ssh_host_dsa_key ] ; then 250 echo "$sysconfdir/ssh_host_dsa_key already exists, skipping." 251else 252 $bindir/ssh-keygen -t dsa -f $sysconfdir/ssh_host_dsa_key -N "" 253fi 254if [ -f $sysconfdir/ssh_host_rsa_key ] ; then 255 echo "$sysconfdir/ssh_host_rsa_key already exists, skipping." 256else 257 $bindir/ssh-keygen -t rsa -f $sysconfdir/ssh_host_rsa_key -N "" 258fi 259echo 260 261# Set startup command depending on SRC support 262if [ "$AIX_SRC" = "yes" ] 263then 264 echo Creating SRC sshd subsystem. 265 rmssys -s sshd 2>&1 >/dev/null 266 mkssys -s sshd -p "$sbindir/sshd" -a '-D' -u 0 -S -n 15 -f 9 -R -G tcpip 267 startupcmd="start $sbindir/sshd \\\"\\\$src_running\\\"" 268 oldstartcmd="$sbindir/sshd" 269else 270 startupcmd="$sbindir/sshd" 271 oldstartcmd="start $sbindir/sshd \\\"$src_running\\\"" 272fi 273 274# If migrating to or from SRC, change previous startup command 275# otherwise add to rc.tcpip 276if egrep "^\$oldstartcmd" /etc/rc.tcpip >/dev/null 277then 278 if sed "s|^\$oldstartcmd|\$startupcmd|g" /etc/rc.tcpip >/etc/rc.tcpip.new 279 then 280 chmod 0755 /etc/rc.tcpip.new 281 mv /etc/rc.tcpip /etc/rc.tcpip.old && \ 282 mv /etc/rc.tcpip.new /etc/rc.tcpip 283 else 284 echo "Updating /etc/rc.tcpip failed, please check." 285 fi 286else 287 # Add to system startup if required 288 if grep "^\$startupcmd" /etc/rc.tcpip >/dev/null 289 then 290 echo "sshd found in rc.tcpip, not adding." 291 else 292 echo "Adding sshd to rc.tcpip" 293 echo >>/etc/rc.tcpip 294 echo "# Start sshd" >>/etc/rc.tcpip 295 echo "\$startupcmd" >>/etc/rc.tcpip 296 fi 297fi 298EOF 299 300# 301# Create liblpp.a and move control files into it 302# 303echo Creating liblpp.a 304( 305 cd .. 306 for i in openssh.al openssh.copyright openssh.inventory openssh.post_i openssh.size LICENCE README* 307 do 308 ar -r liblpp.a $i 309 rm $i 310 done 311) 312 313# 314# Create lpp_name 315# 316# This will end up looking something like: 317# 4 R I OpenSSH { 318# OpenSSH 3.0.2.1 1 N U en_US OpenSSH 3.0.2p1 Portable for AIX 319# [ 320# % 321# /usr/local/bin 8073 322# /usr/local/etc 189 323# /usr/local/libexec 185 324# /usr/local/man/man1 145 325# /usr/local/man/man8 83 326# /usr/local/sbin 2105 327# /usr/local/share 3 328# % 329# ] 330# } 331 332echo Creating lpp_name 333cat <<EOF >../lpp_name 3344 R I $PKGNAME { 335$PKGNAME $BFFVERSION 1 N U en_US OpenSSH $VERSION Portable for AIX 336[ 337% 338EOF 339 340for i in $bindir $sysconfdir $libexecdir $mandir/${mansubdir}1 $mandir/${mansubdir}8 $sbindir $datadir /usr/lpp/openssh 341do 342 # get size in 512 byte blocks 343 if [ -d $FAKE_ROOT/$i ] 344 then 345 size=`du $FAKE_ROOT/$i | awk '{print $1}'` 346 echo "$i $size" >>../lpp_name 347 fi 348done 349 350echo '%' >>../lpp_name 351echo ']' >>../lpp_name 352echo '}' >>../lpp_name 353 354# 355# Move pieces into place 356# 357mkdir -p usr/lpp/openssh 358mv ../liblpp.a usr/lpp/openssh 359mv ../lpp_name . 360 361# 362# Now invoke backup to create .bff file 363# note: lpp_name needs to be the first file so we generate the 364# file list on the fly and feed it to backup using -i 365# 366echo Creating $PKGNAME-$VERSION.bff with backup... 367rm -f $PKGNAME-$VERSION.bff 368( 369 echo "./lpp_name" 370 find . ! -name lpp_name -a ! -name . -print 371) | backup -i -q -f ../$PKGNAME-$VERSION.bff $filelist 372 373# 374# Move package into final location and clean up 375# 376mv ../$PKGNAME-$VERSION.bff $startdir 377cd $startdir 378rm -rf $objdir/$PKGDIR 379 380echo $0: done. 381 382