mirror of
git://git.acid.vegas/unrealircd.git
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124 lines
4.3 KiB
Bash
124 lines
4.3 KiB
Bash
#!/usr/bin/env bash
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#
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# This is stage 1 of the UnrealIRCd upgrade script
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# It downloads stage 2 online, verifies the integrity, and then
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# passes control to it to proceed with the rest of the upgrade.
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#
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# This is a bash script, so it is less cross-platform than the
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# rest of UnrealIRCd. We also mostly assume Linux/FreeBSD here.
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#
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BUILDDIR="@BUILDDIR@"
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SCRIPTDIR="@SCRIPTDIR@"
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DOCDIR="@DOCDIR@"
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TMPDIR="@TMPDIR@"
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function warn()
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{
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echo
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echo "WARNING: $*"
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echo "This is for your information only. It is possible to continue."
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echo "Press ENTER to continue, or CTRL+C to abort."
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echo "If in doubt, see https://www.unrealircd.org/docs/FAQ#upgrade-verify-failed"
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read xyz
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}
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function bigwarn()
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{
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echo
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echo "[!!!] WARNING: $*"
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echo "Check https://www.unrealircd.org/docs/FAQ#upgrade-verify-failed !"
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echo "Type 'IGNORE' in uppercase to continue if you think it is safe."
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echo "Type anything else to abort."
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read answer
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if [ "$answer" != "IGNORE" ]; then
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exit 1
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fi
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}
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function fail()
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{
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echo
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echo "ERROR: $*"
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echo "NOTE: Your existing UnrealIRCd is backed up to $BACKUPDIR"
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echo "Perhaps check out the FAQ for common problems:"
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echo "https://www.unrealircd.org/docs/FAQ#upgrade-failed"
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echo "Otherwise, follow the manual upgrade procedure from"
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echo "https://www.unrealircd.org/docs/Upgrading"
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exit 1
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}
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if [ ! -d "$BUILDDIR" ]; then
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echo "UnrealIRCd source not found at $BUILDDIR."
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echo "Sorry, then it is not possible to know your existing settings and thus we cannot upgrade."
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echo "Follow the manual upgrade procedure from https://www.unrealircd.org/docs/Upgrading"
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exit 1
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fi
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FETCHER="wget"
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if ! wget --help 1>/dev/null 2>&1; then
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# fetch is a pain: it always returns 1 (false) even for usage info and has no --version
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fetch 1>/dev/null 2>&1
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if [ "$?" -ne 1 ]; then
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echo "The tool 'wget' is missing, which is used by this script."
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echo "On Linux consider running 'sudo apt install wget' or 'sudo yum install wget'"
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echo "and run this script again."
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echo "Or, don't use this script and follow the manual upgrade procedure from"
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echo "https://www.unrealircd.org/docs/Upgrading"
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exit 1
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fi
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FETCHER="fetch"
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fi
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# Weird way to get version, but ok.
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cd "$BUILDDIR" || fail "Could not cd to builddir"
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UNREALVER="`./configure --version|head -n1|awk '{ print $3 }'`"
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cd .. || fail "Could not cd back"
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# Set and export all variables with settings
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export UNREALVER BUILDDIR SCRIPTDIR DOCDIR TMPDIR FETCHER
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# Download the install script
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if [ "$FETCHER" = "wget" ]; then
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wget -O unrealircd-upgrade-script.stage2 "https://www.unrealircd.org/downloads/unrealircd-upgrade-script.stage2?from=$UNREALVER" || fail "Could not download online installer"
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wget -O unrealircd-upgrade-script.stage2.asc "https://www.unrealircd.org/downloads/unrealircd-upgrade-script.stage2.asc" || fail "Could not download online installer signature"
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else
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fetch -o unrealircd-upgrade-script.stage2 "https://www.unrealircd.org/downloads/unrealircd-upgrade-script.stage2?from=$UNREALVER" || fail "Could not download online installer"
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fetch -o unrealircd-upgrade-script.stage2.asc "https://www.unrealircd.org/downloads/unrealircd-upgrade-script.stage2.asc" || fail "Could not download online installer signature"
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fi
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# GPG verification - if available
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if gpg --version 1>/dev/null 2>&1; then
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if [ -f "$DOCDIR/KEYS" ]; then
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gpg --import "$DOCDIR/KEYS"
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echo
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if gpg --batch --exit-on-status-write-error --verify unrealircd-upgrade-script.stage2.asc unrealircd-upgrade-script.stage2; then
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echo "GPG: Verification succeeded. Download is genuine."
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export NOGPG=0
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else
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bigwarn "GPG/PGP verification failed. This could be a security issue."
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export NOGPG=1
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fi
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else
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warn "Unable to check download integrity with GPG/PGP. Missing $DOCDIR/KEYS file."
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export NOGPG=1
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fi
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else
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echo "WARNING: The GnuPG (GPG/PGP) verification tool 'gpg' is not installed."
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if [[ "$OSTYPE" == "freebsd"* ]] ; then
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echo "Consider running 'sudo pkg install gnupg'"
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else
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echo "Consider running 'sudo apt install gpg' or 'yum install gnupg2'"
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fi
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echo "When 'gpg' is installed then the UnrealIRCd upgrade script can"
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echo "verify the digital signature of the download file."
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warn "Unable to check download integrity"
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export NOGPG=1
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fi
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chmod +x unrealircd-upgrade-script.stage2
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./unrealircd-upgrade-script.stage2 $*
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SAVERET="$?"
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rm -f unrealircd-upgrade-script.stage2 unrealircd-upgrade-script.stage2.asc
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exit $SAVERET
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