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Posted to commits@cloudstack.apache.org by an...@apache.org on 2012/07/28 01:04:17 UTC

[16/16] git commit: VPC : vpc_acl.sh is for VPC access control list

VPC : vpc_acl.sh is for VPC access control list


Project: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/commit/165a21c6
Tree: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/tree/165a21c6
Diff: http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/diff/165a21c6

Branch: refs/heads/vpc
Commit: 165a21c62a745db672455732bcdde28d455498c1
Parents: 05dc92c
Author: anthony <an...@cloud.com>
Authored: Thu Jul 26 14:10:25 2012 -0700
Committer: anthony <an...@cloud.com>
Committed: Fri Jul 27 15:04:40 2012 -0700

----------------------------------------------------------------------
 .../systemvm/debian/config/opt/cloud/bin/acl.sh    |  197 -------------
 .../debian/config/opt/cloud/bin/vpc_acl.sh         |  221 +++++++++++++++
 2 files changed, 221 insertions(+), 197 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/165a21c6/patches/systemvm/debian/config/opt/cloud/bin/acl.sh
----------------------------------------------------------------------
diff --git a/patches/systemvm/debian/config/opt/cloud/bin/acl.sh b/patches/systemvm/debian/config/opt/cloud/bin/acl.sh
deleted file mode 100755
index 525dfe4..0000000
--- a/patches/systemvm/debian/config/opt/cloud/bin/acl.sh
+++ /dev/null
@@ -1,197 +0,0 @@
-#!/usr/bin/env bash
-# Copyright 2012 Citrix Systems, Inc. Licensed under the
-# Apache License, Version 2.0 (the "License"); you may not use this
-# file except in compliance with the License.  Citrix Systems, Inc.
-# reserves all rights not expressly granted by the License.
-# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-# 
-# Automatically generated by addcopyright.py at 04/03/2012
-# firewall_rule.sh -- allow some ports / protocols to vm instances
-# @VERSION@
-
-source /root/func.sh
-
-lock="biglock"
-locked=$(getLockFile $lock)
-if [ "$locked" != "1" ]
-then
-    exit 1
-fi
-
-usage() {
-  printf "Usage: %s:  -a <public ip address:protocol:startport:endport:sourcecidrs>  \n" $(basename $0) >&2
-  printf "sourcecidrs format:  cidr1-cidr2-cidr3-...\n"
-}
-#set -x
-#FIXME: eating up the error code during execution of iptables
-acl_remove_backup() {
-  sudo iptables -F _ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -D FORWARD -o $dev -d $gcidr -j _ACL_INBOUND_$ip  2>/dev/null
-  sudo iptables -X _ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -F _ACL_OUTBOUND_$ip 2>/dev/null
-  sudo iptables -D FORWARD -i $dev -s $gcidr -j _ACL_OUTBOUND_$ip  2>/dev/null
-  sudo iptables -X _ACL_OUTBOUND_$ip 2>/dev/null
-}
-
-acl_remove() {
-  sudo iptables -F ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -D FORWARD -o $dev -d $gcidr -j ACL_INBOUND_$ip  2>/dev/null
-  sudo iptables -X ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -F ACL_OUTBOUND_$ip 2>/dev/null
-  sudo iptables -D FORWARD -i $dev -s $gcidr -j ACL_OUTBOUND_$ip  2>/dev/null
-  sudo iptables -X ACL_OUTBOUND_$ip 2>/dev/null
-}
-
-acl_restore() {
-  acl_remove
-  sudo iptables -E _ACL_INBOUND_$ip ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -E _ACL_OUTBOUND_$ip ACL_OUTBOUND_$ip 2>/dev/null
-}
-
-acl_save() {
-  acl_remove_backup
-  sudo iptables -E ACL_INBOUND_$ip _ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -E ACL_OUTBOUND_$ip _ACL_OUTBOUND_$gGW 2>/dev/null
-}
-
-acl_chain_for_guest_network () {
-  acl_save
-  # inbound
-  sudo iptables -E ACL_INBOUND_$ip _ACL_INBOUND_$ip 2>/dev/null
-  sudo iptables -N ACL_INBOUND_$ip 2>/dev/null
-  # drop if no rules match (this will be the last rule in the chain)
-  sudo iptables -A ACL_INBOUND_$ip -j DROP 2>/dev/null
-  sudo iptables -A FORWARD -o $dev -d $gcidr -j ACL_INBOUND_$ip  2>/dev/null
-  # outbound
-  sudo iptables -E ACL_OUTBOUND_$ip _ACL_OUTBOUND_$ip 2>/dev/null
-  sudo iptables -N ACL_OUTBOUND_$ip 2>/dev/null
-  sudo iptables -A ACL_OUTBOUND_$ip -j DROP 2>/dev/null
-  sudo iptables -D FORWARD -i $dev -s $gcidr -j ACL_OUTBOUND_$ip  2>/dev/null
-}
-
-
-
-acl_entry_for_guest_network() {
-  local rule=$1
-
-  local inbound=$(echo $rule | cut -d: -f1)
-  local prot=$(echo $rules | cut -d: -f2)
-  local sport=$(echo $rules | cut -d: -f3)    
-  local eport=$(echo $rules | cut -d: -f4)    
-  local cidrs=$(echo $rules | cut -d: -f5 | sed 's/-/ /g')
-  
-  logger -t cloud "$(basename $0): enter apply acl rules for guest network: $gcidr, inbound:$inbound:$prot:$sport:$eport:$cidrs"  
-
-  # note that rules are inserted after the RELATED,ESTABLISHED rule 
-  # but before the DROP rule
-  for lcidr in $scidrs
-  do
-    [ "$prot" == "reverted" ] && continue;
-    if [ "$prot" == "icmp" ]
-    then
-      typecode="$sport/$eport"
-      [ "$eport" == "-1" ] && typecode="$sport"
-      [ "$sport" == "-1" ] && typecode="any"
-      if [ "$inbound" == "1" ]
-      then
-        sudo iptables -I ACL_INBOUND_$gGW -p $prot -s $lcidr  \
-                    --icmp-type $typecode  -j ACCEPT
-      else
-        sudo iptables -I ACL_OUTBOUND_$gGW -p $prot -d $lcidr  \
-                    --icmp-type $typecode  -j ACCEPT
-      fi
-    else
-      if [ "$inbound" == "1" ]
-      then
-        sudo iptables -I ACL_INBOUND_$gGW -p $prot -s $lcidr \
-                    --dport $sport:$eport -j ACCEPT
-      else
-        sudo iptables -I ACL_OUTBOUND_$gGW -p $prot -d $lcidr \
-                    --dport $sport:$eport -j ACCEP`T
-    fi
-    result=$?
-    [ $result -gt 0 ] && 
-       logger -t cloud "Error adding iptables entry for guest network : $gcidr,inbound:$inbound:$prot:$sport:$eport:$cidrs" &&
-       break
-  done
-      
-  logger -t cloud "$(basename $0): exit apply acl rules for guest network : $gcidr"  
-  return $result
-}
-
-
-shift 
-dflag=0
-gflag=0
-aflag=0
-rules=""
-rules_list=""
-gcidr=""
-ip=""
-dev=""
-while getopts ':d:g:a:' OPTION
-do
-  case $OPTION in
-  d)    dflag=1
-                dev="$OPTAGR"
-  g)    gflag=1
-                gcidr="$OPTAGR"
-  a)	aflag=1
-		rules="$OPTARG"
-		;;
-  ?)	usage
-                unlock_exit 2 $lock $locked
-		;;
-  esac
-done
-
-if [ "$dflag$gflag$aflag" != "!11" ]
-then
-  usage()
-fi
-
-
-if [ -n "$rules" == "" ]
-then
-  rules_list=$(echo $rules | cut -d, -f1- --output-delimiter=" ")
-fi
-
-# rule format
-# protocal:sport:eport:cidr
-#-a tcp:80:80:0.0.0.0/0::tcp:220:220:0.0.0.0/0:,172.16.92.44:tcp:222:222:192.168.10.0/24-75.57.23.0/22-88.100.33.1/32
-#    if any entry is reverted , entry will be in the format <ip>:reverted:0:0:0
-# example : 172.16.92.44:tcp:80:80:0.0.0.0/0:,172.16.92.44:tcp:220:220:0.0.0.0/0:,200.1.1.2:reverted:0:0:0 
-
-success=0
-ip=$(echo $gcidr | awk -F'/' '{print $1}')
-
-acl_chain_for_guest_network
-
-for r in $rules_list
-do
-  acl_entry_for_guest_network $r
-  success=$?
-  if [ $success -gt 0 ]
-  then
-    logger -t cloud "$(basename $0): failure to apply fw rules for guest network: $gcidr"
-    break
-  else
-    logger -t cloud "$(basename $0): successful in applying fw rules for guest network: $gcidr"
-  fi
-done
-
-if [ $success -gt 0 ]
-then
-  logger -t cloud "$(basename $0): restoring from backup for guest network: $gcidr"
-  acl_restore
-else
-  logger -t cloud "$(basename $0): deleting backup for guest network: $gcidr"
-  acl_remove_backup
-fi
-unlock_exit $success $lock $locked
-

http://git-wip-us.apache.org/repos/asf/incubator-cloudstack/blob/165a21c6/patches/systemvm/debian/config/opt/cloud/bin/vpc_acl.sh
----------------------------------------------------------------------
diff --git a/patches/systemvm/debian/config/opt/cloud/bin/vpc_acl.sh b/patches/systemvm/debian/config/opt/cloud/bin/vpc_acl.sh
new file mode 100755
index 0000000..0d20247
--- /dev/null
+++ b/patches/systemvm/debian/config/opt/cloud/bin/vpc_acl.sh
@@ -0,0 +1,221 @@
+#!/usr/bin/env bash
+# Copyright 2012 Citrix Systems, Inc. Licensed under the
+# Apache License, Version 2.0 (the "License"); you may not use this
+# file except in compliance with the License.  Citrix Systems, Inc.
+# reserves all rights not expressly granted by the License.
+# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# 
+# Automatically generated by addcopyright.py at 04/03/2012
+# firewall_rule.sh -- allow some ports / protocols to vm instances
+# @VERSION@
+
+source /root/func.sh
+
+lock="biglock"
+locked=$(getLockFile $lock)
+if [ "$locked" != "1" ]
+then
+    exit 1
+fi
+
+usage() {
+  printf "Usage: %s:  -a <public ip address:protocol:startport:endport:sourcecidrs>  \n" $(basename $0) >&2
+  printf "sourcecidrs format:  cidr1-cidr2-cidr3-...\n"
+}
+#set -x
+#FIXME: eating up the error code during execution of iptables
+
+acl_switch_to_new() {
+  sudo iptables -D FORWARD -o $dev -d $gcidr -j _ACL_INBOUND_$dev  2>/dev/null
+  sudo iptables-save  | grep "\-j _ACL_INBOUND_$dev" | grep "\-A" | while read rule;
+  do
+    rule1=$(echo $rule | sed 's/\_ACL_INBOUND/ACL_INBOUND/')
+    sudo iptables $rule1
+    rule2=$(echo $rule | sed 's/\-A/\-D/')
+    sudo iptables $rule2
+  done
+  sudo iptables -F _ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -X _ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -F _ACL_OUTBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -D PREROUTING -m state --state NEW -i $dev -s $gcidr ! -d $ip -j _ACL_OUTBOUND_$dev  2>/dev/null
+  sudo iptables -t mangle -X _ACL_OUTBOUND_$dev 2>/dev/null
+}
+
+acl_remove_backup() {
+  sudo iptables -F _ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -D FORWARD -o $dev -d $gcidr -j _ACL_INBOUND_$dev  2>/dev/null
+  sudo iptables -X _ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -F _ACL_OUTBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -D PREROUTING -m state --state NEW -i $dev -s $gcidr ! -d $ip -j _ACL_OUTBOUND_$dev  2>/dev/null
+  sudo iptables -t mangle -X _ACL_OUTBOUND_$dev 2>/dev/null
+}
+
+acl_remove() {
+  sudo iptables -F ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -D FORWARD -o $dev -d $gcidr -j ACL_INBOUND_$dev  2>/dev/null
+  sudo iptables -X ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -F ACL_OUTBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -D PREROUTING -m state --state NEW -i $dev -s $gcidr ! -d $ip -j ACL_OUTBOUND_$dev  2>/dev/null
+  sudo iptables -t mangle -X ACL_OUTBOUND_$dev 2>/dev/null
+}
+
+acl_restore() {
+  acl_remove
+  sudo iptables -E _ACL_INBOUND_$dev ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -E _ACL_OUTBOUND_$dev ACL_OUTBOUND_$dev 2>/dev/null
+}
+
+acl_save() {
+  acl_remove_backup
+  sudo iptables -E ACL_INBOUND_$dev _ACL_INBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -E ACL_OUTBOUND_$dev _ACL_OUTBOUND_$dev 2>/dev/null
+}
+
+acl_chain_for_guest_network () {
+  acl_save
+  # inbound
+  sudo iptables -N ACL_INBOUND_$dev 2>/dev/null
+  # drop if no rules match (this will be the last rule in the chain)
+  sudo iptables -A ACL_INBOUND_$dev -j DROP 2>/dev/null
+  sudo iptables -A FORWARD -o $dev -d $gcidr -j ACL_INBOUND_$dev  2>/dev/null
+  # outbound
+  sudo iptables -t mangle -N ACL_OUTBOUND_$dev 2>/dev/null
+  sudo iptables -t mangle -A ACL_OUTBOUND_$dev -j DROP 2>/dev/null
+  sudo iptables -t mangle -A PREROUTING -m state --state NEW -i $dev -s $gcidr ! -d $ip -j ACL_OUTBOUND_$dev  2>/dev/null
+}
+
+
+
+acl_entry_for_guest_network() {
+  local rule=$1
+
+  local ttype=$(echo $rule | cut -d: -f1)
+  local prot=$(echo $rule | cut -d: -f2)
+  local sport=$(echo $rule | cut -d: -f3)
+  local eport=$(echo $rule | cut -d: -f4)
+  local cidrs=$(echo $rule | cut -d: -f5 | sed 's/-/ /g')
+  if [ "$sport" == "0" -a "$eport" == "0" ]
+  then
+      DPORT=""
+  else
+      DPORT="--dport $sport:$eport"
+  fi
+  logger -t cloud "$(basename $0): enter apply acl rules for guest network: $gcidr, inbound:$inbound:$prot:$sport:$eport:$cidrs"  
+  
+  # note that rules are inserted after the RELATED,ESTABLISHED rule 
+  # but before the DROP rule
+  for lcidr in $cidrs
+  do
+    [ "$prot" == "reverted" ] && continue;
+    if [ "$prot" == "icmp" ]
+    then
+      typecode="$sport/$eport"
+      [ "$eport" == "-1" ] && typecode="$sport"
+      [ "$sport" == "-1" ] && typecode="any"
+      if [ "$ttype" == "Ingress" ]
+      then
+        sudo iptables -I ACL_INBOUND_$dev -p $prot -s $lcidr  \
+                    --icmp-type $typecode  -j ACCEPT
+      else
+        sudo iptables -t mangle -I ACL_OUTBOUND_$dev -p $prot -d $lcidr  \
+                    --icmp-type $typecode  -j ACCEPT
+      fi
+    else
+      if [ "$ttype" == "Ingress" ]
+      then
+        sudo iptables -I ACL_INBOUND_$dev -p $prot -s $lcidr \
+                    $DPORT -j ACCEPT
+      else
+        sudo iptables -t mangle -I ACL_OUTBOUND_$dev -p $prot -d $lcidr \
+                    $DPORT -j ACCEPT
+      fi
+    fi
+    result=$?
+    [ $result -gt 0 ] && 
+       logger -t cloud "Error adding iptables entry for guest network : $gcidr,inbound:$inbound:$prot:$sport:$eport:$cidrs" &&
+       break
+  done
+      
+  logger -t cloud "$(basename $0): exit apply acl rules for guest network : $gcidr"  
+  return $result
+}
+
+
+dflag=0
+gflag=0
+aflag=0
+rules=""
+rules_list=""
+ip=""
+dev=""
+while getopts 'd:i:m:a:' OPTION
+do
+  case $OPTION in
+  d)    dflag=1
+                dev="$OPTARG"
+                ;;
+  i)    iflag=1
+                ip="$OPTARG"
+                ;;
+  m)    mflag=1
+                mask="$OPTARG"
+                ;;
+  a)	aflag=1
+		rules="$OPTARG"
+		;;
+  ?)	usage
+                unlock_exit 2 $lock $locked
+		;;
+  esac
+done
+
+if [ "$dflag$iflag$mflag$aflag" != "1111" ]
+then
+  usage
+  unlock_exit 2 $lock $locked
+fi
+
+gcidr="$ip/$mask"
+if [ -n "$rules" ]
+then
+  rules_list=$(echo $rules | cut -d, -f1- --output-delimiter=" ")
+fi
+
+# rule format
+# protocal:sport:eport:cidr
+#-a tcp:80:80:0.0.0.0/0::tcp:220:220:0.0.0.0/0:,172.16.92.44:tcp:222:222:192.168.10.0/24-75.57.23.0/22-88.100.33.1/32
+#    if any entry is reverted , entry will be in the format <ip>:reverted:0:0:0
+# example : 172.16.92.44:tcp:80:80:0.0.0.0/0:,172.16.92.44:tcp:220:220:0.0.0.0/0:,200.1.1.2:reverted:0:0:0 
+
+success=0
+
+acl_chain_for_guest_network
+
+for r in $rules_list
+do
+  acl_entry_for_guest_network $r
+  success=$?
+  if [ $success -gt 0 ]
+  then
+    logger -t cloud "$(basename $0): failure to apply fw rules for guest network: $gcidr"
+    break
+  else
+    logger -t cloud "$(basename $0): successful in applying fw rules for guest network: $gcidr"
+  fi
+done
+
+if [ $success -gt 0 ]
+then
+  logger -t cloud "$(basename $0): restoring from backup for guest network: $gcidr"
+  acl_restore
+else
+  logger -t cloud "$(basename $0): deleting backup for guest network: $gcidr"
+  acl_switch_to_new
+fi
+unlock_exit $success $lock $locked
+