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authorBill Nottingham <notting@redhat.com>2009-03-20 13:12:44 -0400
committerBill Nottingham <notting@redhat.com>2009-03-20 13:12:44 -0400
commit0199e4c50803bcbf7705a630df24b3291acea838 (patch)
treee04f23bca3abea506311ca3c07b84245155824cf /sysconfig
parentf0003e3a245686929791b50896b2a4b22ff689a9 (diff)
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Allow use of either ESP only or AH only (#251494, <stijn.tintel@x-tend.be>)
Diffstat (limited to 'sysconfig')
-rwxr-xr-xsysconfig/network-scripts/ifup-ipsec73
1 files changed, 55 insertions, 18 deletions
diff --git a/sysconfig/network-scripts/ifup-ipsec b/sysconfig/network-scripts/ifup-ipsec
index ab5298e3..9998762c 100755
--- a/sysconfig/network-scripts/ifup-ipsec
+++ b/sysconfig/network-scripts/ifup-ipsec
@@ -105,6 +105,10 @@ else
[ -z "$IKE_DHGROUP" ] && IKE_DHGROUP=2
[ -z "$AH_PROTO" ] && AH_PROTO=sha1
[ -z "$ESP_PROTO" ] && ESP_PROTO=3des
+ [ -z "$IKE_AUTH" ] && IKE_AUTH=$AH_PROTO
+ [ -z "$IKE_ENC" ] && IKE_ENC=$ESP_PROTO
+ [ "$IKE_AUTH" = "none" ] && IKE_AUTH=sha1
+ [ "$IKE_ENC" = "none" ] && IKE_ENC=3des
SPD_AH_IN=yes
SPD_AH_OUT=yes
@@ -114,11 +118,9 @@ fi
if [ "$AH_PROTO" = "none" ]; then
unset SPI_AH_IN SPI_AH_OUT KEY_AH_IN KEY_AH_OUT SPD_AH_IN SPD_AH_OUT
- AH_PROTO=sha1 # To silence racoon
fi
if [ "$ESP_PROTO" = "none" ]; then
unset SPI_ESP_IN SPI_ESP_OUT KEY_ESP_IN KEY_ESP_OUT SPD_ESP_IN SPD_ESP_OUT
- ESP_PROTO=3des # To silence racoon
fi
/sbin/setkey -c >/dev/null 2>&1 << EOF
@@ -130,24 +132,38 @@ spddelete $SPD_SRC $SPD_DST any -P out;
spddelete $SPD_DST $SPD_SRC any -P in;
${EXCLUDE_SRCNET:+spddelete $SPD_SRC $SPD_SRC any -P out;}
${EXCLUDE_SRCNET:+spddelete $SPD_SRC $SPD_SRC any -P in;}
+EOF
# ESP
-${KEY_ESP_IN:+add $DST $SRC esp $SPI_ESP_IN ${TUNNEL_MODE:+-m tunnel} \
--E ${ESP_PROTO_IN:-$ESP_PROTO} $KEY_ESP_IN \
-${KEY_AESP_IN:+-A ${AESP_PROTO_IN:-$AESP_PROTO} $KEY_AESP_IN}
-;}
-${KEY_ESP_OUT:+add $SRC $DST esp $SPI_ESP_OUT ${TUNNEL_MODE:+-m tunnel} \
--E ${ESP_PROTO_OUT:-$ESP_PROTO} $KEY_ESP_OUT \
-${KEY_AESP_OUT:+-A ${AESP_PROTO_OUT:-$AESP_PROTO} $KEY_AESP_OUT}
-;}
+if [ "$ESP_PROTO" != "none" ]; then
+ /sbin/setkey -c >/dev/null 2>&1 << EOF
+ ${KEY_ESP_IN:+add $DST $SRC esp $SPI_ESP_IN ${TUNNEL_MODE:+-m tunnel} \
+ -E ${ESP_PROTO_IN:-$ESP_PROTO} $KEY_ESP_IN \
+ ${KEY_AESP_IN:+-A ${AESP_PROTO_IN:-$AESP_PROTO} $KEY_AESP_IN}
+ ;}
+ ${KEY_ESP_OUT:+add $SRC $DST esp $SPI_ESP_OUT ${TUNNEL_MODE:+-m tunnel} \
+ -E ${ESP_PROTO_OUT:-$ESP_PROTO} $KEY_ESP_OUT \
+ ${KEY_AESP_OUT:+-A ${AESP_PROTO_OUT:-$AESP_PROTO} $KEY_AESP_OUT}
+ ;}
+EOF
+fi
# AH
-${KEY_AH_IN:+add $DST $SRC ah $SPI_AH_IN ${TUNNEL_MODE:+-m tunnel} -A ${AH_PROTO_IN:-$AH_PROTO} $KEY_AH_IN;}
-${KEY_AH_OUT:+add $SRC $DST ah $SPI_AH_OUT ${TUNNEL_MODE:+-m tunnel} -A ${AH_PROTO_OUT:-$AH_PROTO} $KEY_AH_OUT;}
+if [ "$AH_PROTO" != "none" ]; then
+ /sbin/setkey -c >/dev/null 2>&1 << EOF
+ ${KEY_AH_IN:+add $DST $SRC ah $SPI_AH_IN ${TUNNEL_MODE:+-m tunnel} -A ${AH_PROTO_IN:-$AH_PROTO} $KEY_AH_IN;}
+ ${KEY_AH_OUT:+add $SRC $DST ah $SPI_AH_OUT ${TUNNEL_MODE:+-m tunnel} -A ${AH_PROTO_OUT:-$AH_PROTO} $KEY_AH_OUT;}
+EOF
+fi
+/sbin/setkey -c >/dev/null 2>&1 << EOF
${EXCLUDE_SRCNET:+spdadd $SPD_SRC $SPD_SRC any -P out none;}
${EXCLUDE_SRCNET:+spdadd $SPD_SRC $SPD_SRC any -P in none;}
+EOF
+# This looks weird but if you use both ESP and AH you need to configure them together, not seperately.
+if [ "$ESP_PROTO" != "none" ] && [ "$AH_PROTO" != "none" ]; then
+/sbin/setkey -c >/dev/null 2>&1 << EOF
spdadd $SPD_SRC $SPD_DST any -P out ipsec
${SPD_ESP_OUT:+esp/$MODE/${TUNNEL_MODE:+$SRC-$DST}/require}
${SPD_AH_OUT:+ah/$MODE/${TUNNEL_MODE:+$SRC-$DST}/require}
@@ -158,6 +174,27 @@ spdadd $SPD_DST $SPD_SRC any -P in ipsec
${SPD_AH_IN:+ah/$MODE/${TUNNEL_MODE:+$DST-$SRC}/require}
;
EOF
+elif [ "$AH_PROTO" = "none" ]; then
+/sbin/setkey -c >/dev/null 2>&1 << EOF
+spdadd $SPD_SRC $SPD_DST any -P out ipsec
+ ${SPD_ESP_OUT:+esp/$MODE/${TUNNEL_MODE:+$SRC-$DST}/require}
+ ;
+
+spdadd $SPD_DST $SPD_SRC any -P in ipsec
+ ${SPD_ESP_IN:+esp/$MODE/${TUNNEL_MODE:+$DST-$SRC}/require}
+ ;
+EOF
+elif [ "$ESP_PROTO" = "none" ]; then
+/sbin/setkey -c >/dev/null 2>&1 << EOF
+spdadd $SPD_SRC $SPD_DST any -P out ipsec
+ ${SPD_AH_OUT:+ah/$MODE/${TUNNEL_MODE:+$SRC-$DST}/require}
+ ;
+
+spdadd $SPD_DST $SPD_SRC any -P in ipsec
+ ${SPD_AH_IN:+ah/$MODE/${TUNNEL_MODE:+$DST-$SRC}/require}
+ ;
+EOF
+fi
if [ "$KEYING" = "automatic" -a -n "$IKE_METHOD" ]; then
if [ "$IKE_METHOD" = "PSK" ]; then
@@ -185,8 +222,8 @@ EOF
cat >> /etc/racoon/$DST.conf << EOF
my_identifier $MYID;
proposal {
- encryption_algorithm $ESP_PROTO;
- hash_algorithm $AH_PROTO;
+ encryption_algorithm $IKE_ENC;
+ hash_algorithm $IKE_AUTH;
authentication_method pre_shared_key;
dh_group $IKE_DHGROUP;
}
@@ -207,8 +244,8 @@ EOF
fi
cat >> /etc/racoon/$DST.conf << EOF
proposal {
- encryption_algorithm $ESP_PROTO;
- hash_algorithm $AH_PROTO;
+ encryption_algorithm $IKE_ENC;
+ hash_algorithm $IKE_AUTH;
authentication_method rsasig;
dh_group $IKE_DHGROUP;
}
@@ -219,8 +256,8 @@ EOF
cat >> /etc/racoon/$DST.conf << EOF
my_identifier address;
proposal {
- encryption_algorithm $ESP_PROTO;
- hash_algorithm $AH_PROTO;
+ encryption_algorithm $IKE_ENC;
+ hash_algorithm $IKE_AUTH;
authentication_method gssapi_krb;
dh_group $IKE_DHGROUP;
}