mirror of
https://github.com/hwdsl2/setup-ipsec-vpn.git
synced 2024-06-26 23:55:54 +02:00
Update upgrade scripts
- Remove support for upgrading to old Libreswan versions 3.19-3.25 - Minor improvements
This commit is contained in:
hwdsl2
parent
ecd99a6bba
commit
b57678b893
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@ -46,38 +46,25 @@ if [ "$(id -u)" != 0 ]; then
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fi
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case "$SWAN_VER" in
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3.19|3.2[01235679]|3.3[12]|4.1)
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3.2[679]|3.3[12]|4.1)
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/bin/true
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;;
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*)
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cat 1>&2 <<EOF
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Error: Libreswan version '$SWAN_VER' is not supported.
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This script can install one of the following versions:
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3.19-3.23, 3.25-3.27, 3.29, 3.31-3.32 or 4.1
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3.26-3.27, 3.29, 3.31-3.32 or 4.1
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EOF
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exit 1
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;;
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esac
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dns_state=0
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case "$SWAN_VER" in
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3.2[35679]|3.3[12]|4.1)
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DNS_SRV1=$(grep "modecfgdns1=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRV2=$(grep "modecfgdns2=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=2
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=1
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[ "$(grep -c "modecfgdns1=" /etc/ipsec.conf)" -gt "1" ] && dns_state=5
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;;
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3.19|3.2[012])
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DNS_SRVS=$(grep "modecfgdns=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRVS=$(printf '%s' "$DNS_SRVS" | cut -d '"' -f 2 | cut -d "'" -f 2 | sed 's/,/ /g' | tr -s ' ')
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DNS_SRV1=$(printf '%s' "$DNS_SRVS" | cut -d ' ' -f 1)
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DNS_SRV2=$(printf '%s' "$DNS_SRVS" | cut -s -d ' ' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=4
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=3
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[ "$(grep -c "modecfgdns=" /etc/ipsec.conf)" -gt "1" ] && dns_state=6
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;;
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esac
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DNS_SRV1=$(grep "modecfgdns1=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRV2=$(grep "modecfgdns2=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=2
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=1
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[ "$(grep -c "modecfgdns1=" /etc/ipsec.conf)" -gt "1" ] && dns_state=3
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ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
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ipsec_ver_short=$(printf '%s' "$ipsec_ver" | sed -e 's/Linux Libreswan/Libreswan/' -e 's/ (netkey) on .*//')
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@ -127,7 +114,7 @@ NOTE: This script will make the following changes to your IPsec config:
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EOF
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case "$SWAN_VER" in
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3.19|3.2[01235679]|3.3[12])
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3.2[679]|3.3[12])
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cat <<'EOF'
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WARNING: Older versions of Libreswan could contain known security vulnerabilities.
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See: https://libreswan.org/security/
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@ -137,17 +124,6 @@ EOF
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;;
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esac
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case "$SWAN_VER" in
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3.2[35])
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cat <<'EOF'
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WARNING: Libreswan 3.23 and 3.25 have an issue with connecting multiple
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IPsec/XAuth VPN clients from behind the same NAT (e.g. home router).
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DO NOT install 3.23/3.25 if your use cases include the above.
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EOF
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;;
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esac
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printf "Do you want to continue? [y/N] "
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read -r response
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case $response in
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@ -186,8 +162,6 @@ fi
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/bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
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tar xzf "$swan_file" && /bin/rm -f "$swan_file"
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cd "libreswan-$SWAN_VER" || exit 1
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[ "$SWAN_VER" = "3.22" ] && sed -i '/^#define LSWBUF_CANARY/s/-2$/((char) -2)/' include/lswlog.h
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[ "$SWAN_VER" = "3.23" ] || [ "$SWAN_VER" = "3.25" ] && sed -i '/docker-targets\.mk/d' Makefile
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[ "$SWAN_VER" = "3.26" ] && sed -i 's/-lfreebl //' mk/config.mk
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[ "$SWAN_VER" = "3.26" ] && sed -i '/blapi\.h/d' programs/pluto/keys.c
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if [ "$SWAN_VER" = "3.31" ]; then
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@ -239,30 +213,26 @@ if uname -m | grep -qi '^arm'; then
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fi
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sed -i".old-$(date +%F-%T)" \
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-e "s/^[[:space:]]\+auth=esp\$/ phase2=esp/g" \
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-e "s/^[[:space:]]\+forceencaps=yes\$/ encapsulation=yes/g" \
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-e "s/^[[:space:]]\+sha2_truncbug=/ sha2-truncbug=/g" \
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-e "s/^[[:space:]]\+ike-frag=/ fragmentation=/g" \
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-e "s/^[[:space:]]\+ike=.\+\$/$IKE_NEW/g" \
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-e "s/^[[:space:]]\+phase2alg=.\+\$/$PHASE2_NEW/g" /etc/ipsec.conf
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-e "s/^[[:space:]]\+auth=/ phase2=/" \
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-e "s/^[[:space:]]\+forceencaps=/ encapsulation=/" \
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-e "s/^[[:space:]]\+sha2_truncbug=/ sha2-truncbug=/" \
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-e "s/^[[:space:]]\+ike-frag=/ fragmentation=/" \
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-e "s/^[[:space:]]\+ike=.\+/$IKE_NEW/" \
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-e "s/^[[:space:]]\+phase2alg=.\+/$PHASE2_NEW/" /etc/ipsec.conf
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if [ "$dns_state" = "1" ]; then
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sed -i -e "s/modecfgdns1=.*/modecfgdns=\"$DNS_SRV1 $DNS_SRV2\"/" \
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-e "/modecfgdns2/d" /etc/ipsec.conf
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sed -i -e "s/^[[:space:]]\+modecfgdns1=.\+/ modecfgdns=\"$DNS_SRV1 $DNS_SRV2\"/" \
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-e "/modecfgdns2=/d" /etc/ipsec.conf
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elif [ "$dns_state" = "2" ]; then
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sed -i "s/modecfgdns1=.*/modecfgdns=$DNS_SRV1/" /etc/ipsec.conf
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elif [ "$dns_state" = "3" ]; then
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sed -i "/modecfgdns=/a \ modecfgdns2=$DNS_SRV2" /etc/ipsec.conf
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sed -i "s/modecfgdns=.*/modecfgdns1=$DNS_SRV1/" /etc/ipsec.conf
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elif [ "$dns_state" = "4" ]; then
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sed -i "s/modecfgdns=.*/modecfgdns1=$DNS_SRV1/" /etc/ipsec.conf
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sed -i "s/^[[:space:]]\+modecfgdns1=.\+/ modecfgdns=$DNS_SRV1/" /etc/ipsec.conf
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fi
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if [ "$SWAN_VER" = "3.29" ] || [ "$SWAN_VER" = "3.31" ] \
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|| [ "$SWAN_VER" = "3.32" ] || [ "$SWAN_VER" = "4.1" ]; then
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sed -i "/ikev2=never/d" /etc/ipsec.conf
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sed -i "/conn shared/a \ ikev2=never" /etc/ipsec.conf
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fi
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case "$SWAN_VER" in
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3.29|3.3[12]|4.1)
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sed -i "/ikev2=never/d" /etc/ipsec.conf
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sed -i "/conn shared/a \ ikev2=never" /etc/ipsec.conf
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;;
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esac
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if grep -qs ike-frag /etc/ipsec.d/ikev2.conf; then
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sed -i 's/^[[:space:]]\+ike-frag=/ fragmentation=/' /etc/ipsec.d/ikev2.conf
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@ -283,7 +253,7 @@ Libreswan $SWAN_VER successfully installed!
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EOF
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if [ "$dns_state" = "5" ]; then
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if [ "$dns_state" = "3" ]; then
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cat <<'EOF'
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IMPORTANT: Users upgrading to Libreswan 3.23 or newer must edit /etc/ipsec.conf
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and replace all occurrences of these two lines:
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@ -297,21 +267,6 @@ IMPORTANT: Users upgrading to Libreswan 3.23 or newer must edit /etc/ipsec.conf
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Then run "sudo service ipsec restart".
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EOF
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elif [ "$dns_state" = "6" ]; then
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cat <<'EOF'
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IMPORTANT: Users downgrading to Libreswan 3.22 or older must edit /etc/ipsec.conf
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and replace all occurrences of this line:
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modecfgdns="DNS_SERVER_1 DNS_SERVER_2"
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with two lines like this:
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modecfgdns1=DNS_SERVER_1
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modecfgdns2=DNS_SERVER_2
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Then run "sudo service ipsec restart".
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EOF
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fi
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@ -37,38 +37,25 @@ if [ "$(id -u)" != 0 ]; then
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fi
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case "$SWAN_VER" in
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3.19|3.2[01235679]|3.3[12]|4.1)
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3.2[679]|3.3[12]|4.1)
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/bin/true
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;;
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*)
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cat 1>&2 <<EOF
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Error: Libreswan version '$SWAN_VER' is not supported.
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This script can install one of the following versions:
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3.19-3.23, 3.25-3.27, 3.29, 3.31-3.32 or 4.1
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3.26-3.27, 3.29, 3.31-3.32 or 4.1
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EOF
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exit 1
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;;
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esac
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dns_state=0
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case "$SWAN_VER" in
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3.2[35679]|3.3[12]|4.1)
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DNS_SRV1=$(grep "modecfgdns1=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRV2=$(grep "modecfgdns2=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=2
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=1
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[ "$(grep -c "modecfgdns1=" /etc/ipsec.conf)" -gt "1" ] && dns_state=5
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;;
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3.19|3.2[012])
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DNS_SRVS=$(grep "modecfgdns=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRVS=$(printf '%s' "$DNS_SRVS" | cut -d '"' -f 2 | cut -d "'" -f 2 | sed 's/,/ /g' | tr -s ' ')
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DNS_SRV1=$(printf '%s' "$DNS_SRVS" | cut -d ' ' -f 1)
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DNS_SRV2=$(printf '%s' "$DNS_SRVS" | cut -s -d ' ' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=4
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=3
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[ "$(grep -c "modecfgdns=" /etc/ipsec.conf)" -gt "1" ] && dns_state=6
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;;
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esac
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DNS_SRV1=$(grep "modecfgdns1=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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DNS_SRV2=$(grep "modecfgdns2=" /etc/ipsec.conf | head -n 1 | cut -d '=' -f 2)
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[ -n "$DNS_SRV1" ] && dns_state=2
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[ -n "$DNS_SRV1" ] && [ -n "$DNS_SRV2" ] && dns_state=1
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[ "$(grep -c "modecfgdns1=" /etc/ipsec.conf)" -gt "1" ] && dns_state=3
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ipsec_ver=$(/usr/local/sbin/ipsec --version 2>/dev/null)
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ipsec_ver_short=$(printf '%s' "$ipsec_ver" | sed -e 's/Linux Libreswan/Libreswan/' -e 's/ (netkey) on .*//')
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@ -118,7 +105,7 @@ NOTE: This script will make the following changes to your IPsec config:
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EOF
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case "$SWAN_VER" in
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3.19|3.2[01235679]|3.3[12])
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3.2[679]|3.3[12])
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cat <<'EOF'
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WARNING: Older versions of Libreswan could contain known security vulnerabilities.
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See: https://libreswan.org/security/
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@ -128,17 +115,6 @@ EOF
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;;
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esac
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case "$SWAN_VER" in
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3.2[35])
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cat <<'EOF'
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WARNING: Libreswan 3.23 and 3.25 have an issue with connecting multiple
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IPsec/XAuth VPN clients from behind the same NAT (e.g. home router).
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DO NOT install 3.23/3.25 if your use cases include the above.
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EOF
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;;
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esac
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printf "Do you want to continue? [y/N] "
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read -r response
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case $response in
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@ -193,8 +169,6 @@ fi
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/bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
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tar xzf "$swan_file" && /bin/rm -f "$swan_file"
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cd "libreswan-$SWAN_VER" || exit 1
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[ "$SWAN_VER" = "3.22" ] && sed -i '/^#define LSWBUF_CANARY/s/-2$/((char) -2)/' include/lswlog.h
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[ "$SWAN_VER" = "3.23" ] || [ "$SWAN_VER" = "3.25" ] && sed -i '/docker-targets\.mk/d' Makefile
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[ "$SWAN_VER" = "3.26" ] && sed -i 's/-lfreebl //' mk/config.mk
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[ "$SWAN_VER" = "3.26" ] && sed -i '/blapi\.h/d' programs/pluto/keys.c
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if [ "$SWAN_VER" = "3.31" ]; then
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@ -242,30 +216,26 @@ IKE_NEW=" ike=aes256-sha2,aes128-sha2,aes256-sha1,aes128-sha1,aes256-sha2;modp1
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PHASE2_NEW=" phase2alg=aes_gcm-null,aes128-sha1,aes256-sha1,aes256-sha2_512,aes128-sha2,aes256-sha2"
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sed -i".old-$(date +%F-%T)" \
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-e "s/^[[:space:]]\+auth=esp\$/ phase2=esp/g" \
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-e "s/^[[:space:]]\+forceencaps=yes\$/ encapsulation=yes/g" \
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-e "s/^[[:space:]]\+sha2_truncbug=/ sha2-truncbug=/g" \
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-e "s/^[[:space:]]\+ike-frag=/ fragmentation=/g" \
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-e "s/^[[:space:]]\+ike=.\+\$/$IKE_NEW/g" \
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-e "s/^[[:space:]]\+phase2alg=.\+\$/$PHASE2_NEW/g" /etc/ipsec.conf
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-e "s/^[[:space:]]\+auth=/ phase2=/" \
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-e "s/^[[:space:]]\+forceencaps=/ encapsulation=/" \
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-e "s/^[[:space:]]\+sha2_truncbug=/ sha2-truncbug=/" \
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-e "s/^[[:space:]]\+ike-frag=/ fragmentation=/" \
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-e "s/^[[:space:]]\+ike=.\+/$IKE_NEW/" \
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-e "s/^[[:space:]]\+phase2alg=.\+/$PHASE2_NEW/" /etc/ipsec.conf
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if [ "$dns_state" = "1" ]; then
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sed -i -e "s/modecfgdns1=.*/modecfgdns=\"$DNS_SRV1 $DNS_SRV2\"/" \
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-e "/modecfgdns2/d" /etc/ipsec.conf
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sed -i -e "s/^[[:space:]]\+modecfgdns1=.\+/ modecfgdns=\"$DNS_SRV1 $DNS_SRV2\"/" \
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-e "/modecfgdns2=/d" /etc/ipsec.conf
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elif [ "$dns_state" = "2" ]; then
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sed -i "s/modecfgdns1=.*/modecfgdns=$DNS_SRV1/" /etc/ipsec.conf
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elif [ "$dns_state" = "3" ]; then
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sed -i "/modecfgdns=/a \ modecfgdns2=$DNS_SRV2" /etc/ipsec.conf
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sed -i "s/modecfgdns=.*/modecfgdns1=$DNS_SRV1/" /etc/ipsec.conf
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elif [ "$dns_state" = "4" ]; then
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sed -i "s/modecfgdns=.*/modecfgdns1=$DNS_SRV1/" /etc/ipsec.conf
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sed -i "s/^[[:space:]]\+modecfgdns1=.\+/ modecfgdns=$DNS_SRV1/" /etc/ipsec.conf
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fi
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if [ "$SWAN_VER" = "3.29" ] || [ "$SWAN_VER" = "3.31" ] \
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|| [ "$SWAN_VER" = "3.32" ] || [ "$SWAN_VER" = "4.1" ]; then
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sed -i "/ikev2=never/d" /etc/ipsec.conf
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sed -i "/conn shared/a \ ikev2=never" /etc/ipsec.conf
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fi
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case "$SWAN_VER" in
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3.29|3.3[12]|4.1)
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sed -i "/ikev2=never/d" /etc/ipsec.conf
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sed -i "/conn shared/a \ ikev2=never" /etc/ipsec.conf
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;;
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esac
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if grep -qs ike-frag /etc/ipsec.d/ikev2.conf; then
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sed -i 's/^[[:space:]]\+ike-frag=/ fragmentation=/' /etc/ipsec.d/ikev2.conf
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@ -286,7 +256,7 @@ Libreswan $SWAN_VER successfully installed!
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EOF
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if [ "$dns_state" = "5" ]; then
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if [ "$dns_state" = "3" ]; then
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cat <<'EOF'
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IMPORTANT: Users upgrading to Libreswan 3.23 or newer must edit /etc/ipsec.conf
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and replace all occurrences of these two lines:
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@ -300,21 +270,6 @@ IMPORTANT: Users upgrading to Libreswan 3.23 or newer must edit /etc/ipsec.conf
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Then run "sudo service ipsec restart".
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EOF
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elif [ "$dns_state" = "6" ]; then
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cat <<'EOF'
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IMPORTANT: Users downgrading to Libreswan 3.22 or older must edit /etc/ipsec.conf
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and replace all occurrences of this line:
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modecfgdns="DNS_SERVER_1 DNS_SERVER_2"
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with two lines like this:
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modecfgdns1=DNS_SERVER_1
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modecfgdns2=DNS_SERVER_2
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Then run "sudo service ipsec restart".
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EOF
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fi
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