Initial import
This commit is contained in:
commit
ca7bbadf2c
74
INSTALL
Normal file
74
INSTALL
Normal file
@ -0,0 +1,74 @@
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# ---
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# - Install scripts
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# ---
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cp <path-to-check_net.sh> /usr/local/sbin/
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cp <path-to-netconfig.sh> /usr/local/sbin/
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# ---
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# - Configuration
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# ---
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mkdir -p /etc/check_net
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cp <path-to-check_net.conf> /etc/check_net/check_net.conf
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# - Adjust /etc/check_net/check_net.conf
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# -
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vim /etc/check_net/check_net.conf
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# ---
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# - systemd configuration for service "check_net"
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# ---
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# - Create service "check_net"
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# -
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cat <<EOF > /etc/systemd/system/check_net.service
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[Unit]
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Description=Configure Routing for Internet Connections;
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After=network.target
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After=rc-local.service
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[Service]
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ExecStart=/usr/local/sbin/check_net.sh
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ExecStartPre=rm -rf /tmp/check_net.sh.LOCK
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ExecStopPost=rm -rf /tmp/check_net.sh.LOCK
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KillMode=control-group
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SendSIGKILL=yes
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TimeoutStopSec=2
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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EOF
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# - Activate service check_net
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# -
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systemctl enable check_net.service
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systemctl daemon-reload
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systemctl start check_net
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# ---
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# - Configure lograotation for service "check_net"
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# ---
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cat <<EOF > /etc/logrotate.d/check_net
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/var/log/check_net.log
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{
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rotate 7
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daily
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missingok
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notifempty
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copytruncate
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delaycompress
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compress
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}
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EOF
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133
check_net.conf.sample
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133
check_net.conf.sample
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# - Configuration file for scrupts check_net.sh and netconfig.sh
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# -
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LOGGING_CONSOLE=false
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DEBUG=true
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# - Where are your scripts located?
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# -
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check_script=/usr/local/sbin/check_net.sh
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netconfig_script=/usr/local/sbin/netconfig.sh
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log_file=/var/log/check_net.log
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# - Put in your DSL devices (refers to your network configuration)
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# - youe wish be congigured by that script
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# -
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# - Notice:
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# - If not using multiple default gatways, declare the list in the order of your
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# - preferred default gatway devices
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# -
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# - Example:
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# - _INITIAL_DEVICE_LIST="eth0:192.168.63.254 ppp-light"
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# -
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_INITIAL_DEVICE_LIST="ppp-ckubu"
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# - Set to "false" uses "0.0.0.0" as remote gateway instead of the real address
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# -
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USE_REMOTE_GATEWAY_ADDRESS=true
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#USE_REMOTE_GATEWAY_ADDRESS=false
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# - Set default gw (roundrobin)
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# -
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# - !! SET_MULTIPLE_DEFAULT_GW=true does not work for now..
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# -
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SET_MULTIPLE_DEFAULT_GW=false
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#SET_MULTIPLE_DEFAULT_GW=true
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# - Set to false uses "0.0.0.0" as default gateway adress instaed of real remote address
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# -
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USE_DEFAULT_GW_ADDRESS=true
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#USE_DEFAULT_GW_ADDRESS=false
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# - Hostnames for ping test
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# -
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# - Note: The first two reachable hosts will be used for ping test.
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# -
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# - Space separated list
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# -
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PING_TEST_HOSTS="oopen.de google.com heise.de debian.org ubuntu.com"
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admin_email=root
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from_address="check-inet-devices@`hostname -f`"
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company="CKUBU"
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content_type='Content-Type: text/plain;\n charset="utf-8"'
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# - rule_local_ips
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# -
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# - Add rule(s) for routing local ip-address(es) through a given extern interface
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# -
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# - Space separated list of entries '<ext-interface>:<local-ip>'
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# - rule_local_ips="<ext-interface>:<local-ip> [<ext-interface>:<local-ip>] [.."
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# -
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# - Example:
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# - ========
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# - local ip 192.168.10.1 through extern interface ppp-st and
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# - local ip 192.168.10.13 through extern interface ppp-surf1
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# - rule_local_ips="ppp-st:192.168.10.1 ppp-surf1:192.168.10.13"
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# -
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rule_local_ips=""
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# - rule_remote_ips
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# -
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# - Add rule(s) for routing remote ip-address(es) through a given extern interface
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# -
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# - Space separated list of entries '<ext-interface>:<remote-ip>'
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# - rule_remote_ips="<ext-interface>:<remote-ip> [<ext-interface>:<remote-ip>] [.."
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# -
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# - Example:
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# - ========
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# - route remote ip-address 141.1.1.1 through extern interface ppp-ckubu and
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# - also route ip-address 8.8.8.8 through through extern interface ppp-ckubu
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# - rule_remote_ips="ppp-ckubu:141.1.1.1 ppp-ckubu:8.8.8.8"
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# -
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rule_remote_ips=""
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# - rule_local_nets
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# -
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# - Add rule(s) for routing local networks through a given extern interface out
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# -
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# - Space separated list of entries '<extern-interface>:<local-net>'
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# - rule_local_nets="<extern-interface>:<local-net> [<extern-interface>:<local-net>] [.."
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# -
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# -
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# - Example:
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# - ========
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# - rule_local_nets="ppp-st:192.168.11.0/25 ppp-surf1:192.168.11.128/25"
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# -
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rule_local_nets=""
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## ====================================
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## - Don't make changes after this Line
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## ====================================
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# ---
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# - Add rule(s) for routing local ip-address(es)
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# ---
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declare -a rule_local_ip_arr
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for _str in $rule_local_ips ; do
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rule_local_ip_arr+=("$_str")
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done
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# ---
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# - Add rule(s) for routing remote ip-address(es)
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# ---
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declare -a rule_remote_ip_arr
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for _str in $rule_remote_ips ; do
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rule_remote_ip_arr+=("$_str")
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done
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# ---
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# - Add rule(s) for routing local networks
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# ---
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declare -a rule_local_net_arr
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for _str in $rule_local_nets ; do
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rule_local_net_arr+=("$_str")
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done
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16
check_net.service.sample
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16
check_net.service.sample
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[Unit]
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Description=Configure Routing for Internet Connections;
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After=network.target
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After=rc-local.service
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[Service]
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ExecStart=/root/bin/check_net/check_net.sh
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ExecStartPre=rm -rf /tmp/check_net.sh.LOCK
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ExecStopPost=rm -rf /tmp/check_net.sh.LOCK
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KillMode=control-group
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SendSIGKILL=yes
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TimeoutStopSec=2
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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623
check_net.sh
Executable file
623
check_net.sh
Executable file
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#!/usr/bin/env bash
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## -------------------------------------------------------------------
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## --- All Configurations ill be done in /etc/check_net/check_net.conf
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## -------------------------------------------------------------------
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## - Load Configuration
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## -
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source /etc/check_net/check_net.conf
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## ------------------
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## --- Some functions
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## ------------------
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## - Check if a given array (parameter 2) contains a given string (parameter 1)
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## -
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fatal(){
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echo ""
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echo -e "[ \033[31m\033[1mError\033[m ]: $*"
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echo ""
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echo -e "\t\033[31m\033[1mScript is canceled\033[m\033[m"
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echo ""
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echo "" >> $log_file
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echo "[ Error ]: $*" >> $log_file
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echo "" >> $log_file
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echo " Script is canceled." >> $log_file
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echo "" >> $log_file
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exit 1
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}
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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set_ping_addresses () {
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if $DEBUG ; then
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echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Try to set IP-Address(es) for ping test. This may take some time.." >> $log_file
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fi
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ping_test_ip=""
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unset ping_ip_arr
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declare -i i=0
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for _host in $PING_TEST_HOSTS ; do
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while [ $i -lt 2 ]; do
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if dig +short $_host > /dev/null 2>&1 ; then
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ping_test_ip=`dig +short $_host | head -1`
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if ping -q -c2 $ping_test_ip >/dev/null 2>&1 ; then
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ping_ip_arr+=("$ping_test_ip")
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let i++
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break
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fi
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fi
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break
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done
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done
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if [ ${#ping_ip_arr[@]} -lt 1 ]; then
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echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Setting IP-Address(es) for ping test FAILED!" >> $log_file
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else
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if $DEBUG ; then
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echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] IP-Addresses for ping tests set to ${ping_ip_arr[@]}" >> $log_file
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fi
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fi
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}
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usage() {
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echo
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[ -n "$1" ] && echo -e "[ \033[1;31mError\033[m ] : $1\n"
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echo -e " Usage:"
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echo -e " \033[1m`basename $0` [OPTIONS] <device1> <device2> ..\033[m"
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echo ""
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echo -e " This script checks the status (online/offline) of the given devices. Afterward another"
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echo " script called \033[1m`basename $netconfig_script`\033[m will be triggered to configure"
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echo " the routing depending on the status of the devices."
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echo ""
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echo -e " It is strongly recommend to put \033[1mall devices, which should have a connection to"
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echo -e " the internet\033[m, on the command line."
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echo ""
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echo -e " \033[1mNotice\033[m"
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echo -e " On static line devices \033[1mappend \":<gateway>\"\033[m. This is very important,"
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echo -e " otherwise this script will \033[1mNOT work as expected\033[m."
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echo -e " Example:"
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echo -e " \033[1m`basename $0` -l \"eth0 ppp-light\" eth0:172.16.0.1 ppp-light\033[m"
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echo ""
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echo -e " The declaration of the device(s) is mandatory."
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echo ""
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echo -e " Options:"
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echo ""
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echo -e " \033[1m-h\033[m"
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echo -e " Prints this help\033[m"
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echo ""
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echo -e " \033[1m-l <list of online devices>\033[m"
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echo -e " List of all (internet) devices known as online."
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echo ""
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exit 1
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}
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if [[ $EUID -ne 0 ]]; then
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fatal "This script must be run as root" 1>&2
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fi
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if [[ ! -f "$netconfig_script" ]]; then
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fatal "Netconfig script \"$netconfig_script\" not found!"
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fi
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## -------------------------------------------------
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## --- If script is already running, stop execution
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## -------------------------------------------------
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LOCK_DIR=/tmp/`basename $0`.LOCK
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if mkdir "$LOCK_DIR" 2> /dev/null ; then
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## - Remove lockdir when the script finishes, or when it receives a signal
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trap 'rm -rf "$LOCK_DIR"' 0 2 15
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else
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datum=`date +"%d.%m.%Y"`
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msg="[ Error ]: A previos instance of script \"`basename $0`\" seems already be running.\n\n Exiting now.."
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echo -e "To:${admin_email}\n${content_type}\nSubject:DSL Script Error $company -- $datum\n\n${msg}\n" | /usr/sbin/sendmail -F "DSL Monitoring $company" -f $from_address $admin_email 2> /dev/null
|
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if $LOGGING_CONSOLE ; then
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echo ""
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echo "[ Error ]: A previos instance script \"`basename $0`\" seems already be running."
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echo ""
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echo " Exiting now.."
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echo ""
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fi
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exit 1
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fi
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## -------------
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## --- Configure
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## -------------
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while getopts l:h opt ; do
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case $opt in
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h) usage ;;
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l) ONLINE_DEVICE_LIST=$OPTARG
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;;
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esac
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done
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shift `expr $OPTIND - 1`
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INITIAL_DEVICE_LIST="$@"
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if [[ -z "$INITIAL_DEVICE_LIST" ]]; then
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INITIAL_DEVICE_LIST=$_INITIAL_DEVICE_LIST
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fi
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[[ -z "$INITIAL_DEVICE_LIST" ]] && usage "No device list given"
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||||
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## - Define (non associative) array
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## -
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||||
declare -a inet_devices_arr
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declare -a dsl_devices_arr
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declare -a static_devices_arr
|
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declare -a online_devices_arr
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declare -A static_gw_arr
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declare -A dsl_gw_available_arr
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|
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for _device in $INITIAL_DEVICE_LIST ; do
|
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if [[ "$_device" =~ : ]]; then
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static_gateway="${_device##*:}"
|
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_device="${_device%:*}"
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static_gw_arr[$_device]="$static_gateway"
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static_devices_arr+=("$_device")
|
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|
||||
else
|
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dsl_devices_arr+=("$_device")
|
||||
fi
|
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inet_devices_arr+=("$_device")
|
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done
|
||||
|
||||
for _online_device in $ONLINE_DEVICE_LIST ; do
|
||||
online_devices_arr+=("$_online_device")
|
||||
done
|
||||
|
||||
## - Define associative array
|
||||
## -
|
||||
declare -A remote_gw_arr
|
||||
declare -A filetime_PID_arr
|
||||
for inet_device in "${online_devices_arr[@]}" ; do
|
||||
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
remote_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse" | cut -d":" -f3 | cut -d" " -f1`
|
||||
else
|
||||
remote_gw_address=${static_gw_arr[$inet_device]}
|
||||
fi
|
||||
|
||||
remote_gw_arr[$inet_device]=$remote_gw_address
|
||||
_pid_file=/var/run/${inet_device}.pid
|
||||
if [ -f $_pid_file ]; then
|
||||
filetime_PID_arr[$inet_device]=`stat -c %Y /var/run/${inet_device}.pid`
|
||||
else
|
||||
filetime_PID_arr[$inet_device]="NOT FOUND"
|
||||
fi
|
||||
done
|
||||
|
||||
declare -a ping_ip_arr;
|
||||
|
||||
|
||||
#echo "--"
|
||||
#for _key in "${!filetime_PID_arr[@]}" ; do
|
||||
# echo "filetime_PID_arr[$_key]: ${filetime_PID_arr[$_key]}"
|
||||
#done
|
||||
#
|
||||
#for _key in "${!remote_gw_arr[@]}" ; do
|
||||
# echo "remote_gw_arr[$_key]: ${remote_gw_arr[$_key]}"
|
||||
#done
|
||||
#
|
||||
#for _device in ${online_devices_arr[@]} ; do
|
||||
# echo "$_device is online"
|
||||
#done
|
||||
#echo "--"
|
||||
#exit
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] ## ---" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] ## --- Starting script `basename $0`" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] ## ---" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Devices configured..: ${inet_devices_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Devices Online......: ${online_devices_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] DSL Devices.........: ${dsl_devices_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Static Devices......: ${static_devices_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Remote Gateways.....: ${remote_gw_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] ## ---" >> $log_file
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] ## --- Initial Setup:" >> $log_file
|
||||
|
||||
## - Initial: get ping addresses
|
||||
## -
|
||||
set_ping_addresses
|
||||
echo "" >> $log_file
|
||||
|
||||
while true ; do
|
||||
|
||||
changed=false
|
||||
|
||||
for inet_device in "${inet_devices_arr[@]}" ; do
|
||||
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] ## --- Device $inet_device" >> $log_file
|
||||
fi
|
||||
|
||||
## - Set interface name, routing tables name and, if available, remote gateway.
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
|
||||
## - Is remote a remote gateway for this device knpn?
|
||||
## -
|
||||
remote_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse" | cut -d":" -f3 | cut -d" " -f1`
|
||||
iface_name="dsl-`echo $inet_device | cut -d '-' -f2`"
|
||||
rt_name="dsl_`echo $inet_device | cut -d '-' -f2`"
|
||||
if [[ -n "$remote_gw_address" ]]; then
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Add $remote_gw_address to array dsl_gw_available_arr for DSL line $inet_device" >> $log_file
|
||||
fi
|
||||
dsl_gw_available_arr[$inet_device]=$remote_gw_address
|
||||
else
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] No remote gateway found for DSL line $inet_device" >> $log_file
|
||||
fi
|
||||
if [[ ${dsl_gw_available_arr[$inet_device]+_} ]]; then
|
||||
if $DEBUG; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Unset dsl_gw_available_arr for DSL line $inet_device" >> $log_file
|
||||
fi
|
||||
unset ${dsl_gw_available_arr[$inet_device]}
|
||||
fi
|
||||
fi
|
||||
else
|
||||
remote_gw_address=${static_gw_arr[$inet_device]}
|
||||
iface_name=$inet_device
|
||||
rt_name="static_`echo $inet_device | cut -d '-' -f1`"
|
||||
fi
|
||||
|
||||
|
||||
## ---
|
||||
## --- Check if routing through this connection works
|
||||
## ---
|
||||
|
||||
## - Notice:
|
||||
## - if no remote gateway is known (remote_gw_address is empty), then we don't
|
||||
## - need to test here.
|
||||
## -
|
||||
device_is_online=false
|
||||
if [[ -n "$remote_gw_address" ]]; then
|
||||
|
||||
|
||||
## - Check if routing through this dsl connection realy works
|
||||
## -
|
||||
if [ ${#ping_ip_arr[@]} -lt 1 ]; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] No ip-address for ping-test is set. Skipping test.." >> $log_file
|
||||
else
|
||||
failed=true
|
||||
for _key in ${!ping_ip_arr[@]} ; do
|
||||
/sbin/ip rule add to ${ping_ip_arr[$_key]} table $rt_name
|
||||
if ping -q -c2 ${ping_ip_arr[$_key]} >/dev/null 2>&1 ; then
|
||||
if $DEBUG ; then
|
||||
_local_gw=`curl -4 https://meine-ip.oopen.de 2> /dev/null`
|
||||
if [ -n "$_local_gw" ]; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Using local gateway \"$_local_gw\" for ping test" >> $log_file
|
||||
fi
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Ping test (to ${ping_ip_arr[$_key]}) for device \"${inet_device}\" was successful." >> $log_file
|
||||
fi
|
||||
/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
|
||||
failed=false
|
||||
device_is_online=true
|
||||
break
|
||||
fi
|
||||
/sbin/ip rule del to ${ping_ip_arr[$_key]} table $rt_name
|
||||
done
|
||||
if $failed ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Ping test for device \"${inet_device}\" failed" >> $log_file
|
||||
#echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Status Devices \"$inet_device\" changed" >> $log_file
|
||||
#echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Devices \"$inet_device\" is now OFFLINE" >> $log_file
|
||||
|
||||
## - Remote gateway is not reachable. So empty variable "remote_gw_address"
|
||||
#remote_gw_address=
|
||||
|
||||
fi # End: if $failed
|
||||
|
||||
fi # End: if [ ${#ping_ip_arr[@]} -lt 1 ]; then
|
||||
|
||||
fi # End: if [[ -n "$remote_gw_address" ]]
|
||||
|
||||
|
||||
## ---
|
||||
## --- Now check, if something has changed
|
||||
## ---
|
||||
|
||||
if $device_is_online; then
|
||||
|
||||
if containsElement "$inet_device" ${online_devices_arr[@]} ; then
|
||||
|
||||
## - <before> <now>
|
||||
## -
|
||||
## - online online
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] $inet_device is still online" >> $log_file
|
||||
fi
|
||||
|
||||
## - Check if remote gateway has changed
|
||||
## -
|
||||
if [ "$remote_gw_address" != "${remote_gw_arr[$inet_device]}" ]; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ WARN ] Remote Gateway on device \"$inet_device\" has changed: ${remote_gw_arr[$inet_device]} --> $remote_gw_address" >> $log_file
|
||||
remote_gw_arr[$inet_device]=$remote_gw_address
|
||||
|
||||
_pid_file=/var/run/${inet_device}.pid
|
||||
if [ -f $_pid_file ]; then
|
||||
filetime_PID_arr[$inet_device]=`stat -c %Y $_pid_file`
|
||||
fi
|
||||
changed=true
|
||||
else
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] Remote Gateway on device \"$inet_device\": still ${remote_gw_arr[$inet_device]}" >> $log_file
|
||||
fi
|
||||
|
||||
## - Test if pid-file's modify time hs changed
|
||||
## -
|
||||
## - Notice: that happens if your provider forces a reconnect (mostly one time a day
|
||||
## - or in other words after 1440 minutes)
|
||||
## -
|
||||
_pid_file=/var/run/${inet_device}.pid
|
||||
if [ -f $_pid_file ]; then
|
||||
if [ "`stat -c %Y $_pid_file`" != "${filetime_PID_arr[$inet_device]}" ]; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Modify time for pid-file \"${inet_device}.pid\" has changed" >> $log_file
|
||||
filetime_PID_arr[$inet_device]=`stat -c %Y $_pid_file`
|
||||
changed=true
|
||||
fi
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
else
|
||||
## - <before> <now>
|
||||
## -
|
||||
## - offline online
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Status Devices \"$inet_device\" changed" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Devices \"$inet_device\" is now online" >> $log_file
|
||||
|
||||
## - Add device to array online_devices_arr
|
||||
## -
|
||||
online_devices_arr+=("$inet_device")
|
||||
## - Add device to array remote_gw_arr
|
||||
## -
|
||||
remote_gw_arr[$inet_device]=$remote_gw_address
|
||||
|
||||
_pid=/var/run/${inet_device}.pid
|
||||
if [ -f "$_pid" ]; then
|
||||
filetime_PID_arr[$inet_device]=`stat -c %Y /var/run/${inet_device}.pid`
|
||||
fi
|
||||
changed=true
|
||||
fi # END: if containsElement "$inet_device" ${online_devices_arr[@]}
|
||||
|
||||
else # ELSE: if $device_is_online; then
|
||||
|
||||
if containsElement "$inet_device" ${online_devices_arr[@]} ; then
|
||||
|
||||
## - <before> <now>
|
||||
## -
|
||||
## - online offline
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Status Devices \"$inet_device\" changed" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] Devices \"$inet_device\" is now OFFLINE" >> $log_file
|
||||
|
||||
## - In case of DSL Device, have a look at the ppp deamon
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
if ps -x | grep -E "/usr/sbin/pppd\s+call\s+$iface_name" > /dev/null 2>&1 ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] pppd for \"$iface_name\" is running: Waiting another period" >> $log_file
|
||||
else
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Trying to start pppd for \"$inet_device\".." >> $log_file
|
||||
/usr/sbin/pppd call $iface_name > /dev/null 2>&1
|
||||
fi
|
||||
fi
|
||||
|
||||
## - Remove device from array online_devices_arr
|
||||
## -
|
||||
for _index in ${!online_devices_arr[@]} ; do
|
||||
if [ "${online_devices_arr[$_index]}" = "$inet_device" ]; then
|
||||
unset online_devices_arr[$_index]
|
||||
break
|
||||
fi
|
||||
done
|
||||
## - Also remove device from remote_gw_arr
|
||||
## -
|
||||
unset remote_gw_arr[$inet_device]
|
||||
|
||||
## - In case of DSL Device, kill the concerning the ppp deamon
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
_pid=`ps -ax | grep -e "pppd call $iface_name" | grep -v grep | awk '{print$1}'`
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Kill ppp-daemon for $iface_name (pid $_pid)" >> $log_file
|
||||
|
||||
kill -9 $_pid
|
||||
fi
|
||||
|
||||
changed=true
|
||||
else
|
||||
## - <before> <now>
|
||||
## -
|
||||
## - offline offline
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] $inet_device is still offline" >> $log_file
|
||||
fi
|
||||
|
||||
## - In case of DSL Device, have a look at the ppp deamon
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
if ps -x | grep -E "/usr/sbin/pppd\s+call\s+$iface_name" > /dev/null 2>&1 ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] pppd for \"$iface_name\" is running: Waiting another period" >> $log_file
|
||||
else
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Trying to start pppd for \"$inet_device\".." >> $log_file
|
||||
/usr/sbin/pppd call $iface_name > /dev/null 2>&1
|
||||
fi
|
||||
fi
|
||||
|
||||
fi # END: if containsElement "$inet_device" ${online_devices_arr[@]}
|
||||
|
||||
fi # END: if $device_is_online; then
|
||||
|
||||
done # End: for inet_device in "${inet_devices_arr[@]}"
|
||||
|
||||
|
||||
if $changed ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Status Online Devices changed" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Online Devices: ${online_devices_arr[@]}" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Warn ] Reconfigure Routing: invoking script \"$netconfig_script\".." >> $log_file
|
||||
if [[ -z "${online_devices_arr[@]}" ]]; then
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] $netconfig_script $INITIAL_DEVICE_LIST" >> $log_file
|
||||
fi
|
||||
|
||||
$netconfig_script $INITIAL_DEVICE_LIST > /dev/null 2>&1
|
||||
else
|
||||
|
||||
_LIST=
|
||||
for _device in ${online_devices_arr[@]} ; do
|
||||
_LIST="$_LIST $_device"
|
||||
done
|
||||
_LIST=`echo "${_LIST}" | sed -e 's/^[ \t]*//'`
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Debug ] $netconfig_script -l \"$_LIST\" $INITIAL_DEVICE_LIST" >> $log_file
|
||||
fi
|
||||
$netconfig_script -l "$_LIST" $INITIAL_DEVICE_LIST > /dev/null 2>&1
|
||||
fi
|
||||
|
||||
datum=`date +"%d.%m.%Y"`
|
||||
msg="[ `date +\"%H:%M:%S\"` ]: Status Online Devices changed..\n Online Devices: ${online_devices_arr[@]}\n\n Script \"$netconfig_script\" was invoked to reconfigure routing."
|
||||
echo -e "To:${admin_email}\n${content_type}\nSubject:DSL Status changed $company -- $datum\n\n${msg}\n" | /usr/sbin/sendmail -F "DSL Monitoring $company" -f $from_address $admin_email 2> /dev/null
|
||||
fi # END if $changed
|
||||
|
||||
|
||||
## - Set IP-adresses for Ping-Test at next run
|
||||
## -
|
||||
if [[ ${#online_devices_arr[@]} -gt 0 ]]; then
|
||||
|
||||
## - Try to set IP-Addresses for ping test
|
||||
## -
|
||||
set_ping_addresses
|
||||
|
||||
elif [[ ${#dsl_gw_available_arr[@]} -gt 0 ]]; then
|
||||
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Try to set default gateway to an existing DSL line .." >> $log_file
|
||||
|
||||
__set_default_gatway=false
|
||||
default_gw_deleted=false
|
||||
|
||||
for _device in "${dsl_devices_arr[@]}" ; do
|
||||
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Device: $_device - Gateway: ${dsl_gw_available_arr[$_device]}" >> $log_file
|
||||
fi
|
||||
|
||||
if [[ -n "${dsl_gw_available_arr[$_device]}" ]]; then
|
||||
|
||||
## - Delete old default route
|
||||
## -
|
||||
if ! $default_gw_deleted ; then
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] /sbin/ip route delete default" >> $log_file
|
||||
/sbin/ip route delete default >> $log_file 2>&1
|
||||
else
|
||||
/sbin/ip route delete default > /dev/null 2>&1
|
||||
fi
|
||||
default_gw_deleted=true
|
||||
fi
|
||||
|
||||
## - Try to set default gateway to this DSL connection
|
||||
## -
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] /sbin/ip route add default via ${dsl_gw_available_arr[$_device]} dev $_device" >> $log_file
|
||||
/sbin/ip route add default via ${dsl_gw_available_arr[$_device]} dev $_device >> $log_file 2>&1
|
||||
else
|
||||
/sbin/ip route add default via ${dsl_gw_available_arr[$_device]} dev $_device > /dev/null 2>&1
|
||||
fi
|
||||
if [[ "$?" == "0" ]]; then
|
||||
__set_default_gatway=true
|
||||
break
|
||||
fi
|
||||
fi
|
||||
|
||||
done # END: for _device in "${inet_devices_arr[@]}"
|
||||
|
||||
if ! $__set_default_gatway ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] No default gateway (for DSL Device ${_device}) is set!" >> $log_file
|
||||
else
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Default gateway on DSL Device $_device is set to ${inet_devices_arr[$_device]}" >> $log_file
|
||||
|
||||
|
||||
## - Try to set IP-Addresses for ping test
|
||||
## -
|
||||
set_ping_addresses
|
||||
fi
|
||||
|
||||
elif [[ ${#static_devices_arr[@]} -gt 0 ]]; then
|
||||
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Try to set default gateway to an existing static line .." >> $log_file
|
||||
|
||||
__set_default_gatway=false
|
||||
default_gw_deleted=false
|
||||
|
||||
for _device in "${static_devices_arr[@]}" ; do
|
||||
|
||||
## - Delete old default route
|
||||
## -
|
||||
if ! $default_gw_deleted ; then
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] /sbin/ip route delete default" >> $log_file
|
||||
/sbin/ip route delete default >> $log_file 2>&1
|
||||
else
|
||||
/sbin/ip route delete default > /dev/null 2>&1
|
||||
fi
|
||||
default_gw_deleted=true
|
||||
fi
|
||||
|
||||
## - Set new default route
|
||||
## -
|
||||
if $DEBUG ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] /sbin/ip route add default via ${static_gw_arr[$_device]} dev $_device" >> $log_file
|
||||
/sbin/ip route add default via ${static_gw_arr[$_device]} dev $_device >> $log_file 2>&1
|
||||
else
|
||||
/sbin/ip route add default via ${static_gw_arr[$_device]} dev $_device > /dev/null 2>&1
|
||||
fi
|
||||
|
||||
if [[ "$?" == 0 ]] ; then
|
||||
__set_default_gatway=true
|
||||
break
|
||||
fi
|
||||
done
|
||||
|
||||
if ! $__set_default_gatway ; then
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Error ] No default gateway is set!" >> $log_file
|
||||
else
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Default gateway is set to ${static_gw_arr[$_device]}" >> $log_file
|
||||
|
||||
## - Try to set IP-Addresses for ping test
|
||||
## -
|
||||
set_ping_addresses
|
||||
|
||||
fi
|
||||
|
||||
fi # if [[ ${#online_devices_arr[@]} -gt 0 ]]
|
||||
|
||||
sleep 30
|
||||
|
||||
done
|
||||
|
||||
exit 0
|
||||
993
netconfig.sh
Executable file
993
netconfig.sh
Executable file
@ -0,0 +1,993 @@
|
||||
#!/usr/bin/env bash
|
||||
|
||||
## -------------------------------------------------------------------
|
||||
## --- All Configurations ill be done in /etc/check_net/check_net.conf
|
||||
## -------------------------------------------------------------------
|
||||
|
||||
## - Load Configuration
|
||||
## -
|
||||
source /etc/check_net/check_net.conf
|
||||
|
||||
|
||||
## ------------------
|
||||
## --- Some functions
|
||||
## ------------------
|
||||
|
||||
## - Check if a given array (parameter 2) contains a given string (parameter 1)
|
||||
## -
|
||||
fatal(){
|
||||
echo ""
|
||||
echo -e "[ \033[31m\033[1mError\033[m ]: $*"
|
||||
echo ""
|
||||
echo -e "\t\033[31m\033[1mScript is canceled\033[m\033[m"
|
||||
echo ""
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "[ Error ]: $*" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo " Script is canceled." >> $log_file
|
||||
echo "" >> $log_file
|
||||
|
||||
exit 1
|
||||
}
|
||||
containsElement () {
|
||||
local e
|
||||
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
|
||||
return 1
|
||||
}
|
||||
|
||||
usage() {
|
||||
echo
|
||||
[ -n "$1" ] && echo -e "[ \033[1;31mError\033[m ] : $1\n"
|
||||
|
||||
echo -e " Usage:"
|
||||
echo -e " \033[1m`basename $0` [OPTIONS] <device1> <device2> ..\033[m"
|
||||
echo ""
|
||||
echo -e " This script configures the default route, especially if more than one"
|
||||
echo -e " route to the internet exists. Also the routing tables are managed by this"
|
||||
echo -e " script."
|
||||
echo ""
|
||||
echo -e " The Parameter \033[1mdevice list\033[m contains all network devices, which should have"
|
||||
echo -e " a connection to the Internet. Tha can be DSL lines as well as static lines."
|
||||
echo -e " The declaration of the device list is mandatory."
|
||||
echo ""
|
||||
echo -e " \033[1mNotice\033[m"
|
||||
echo -e " Declare the device list in the order of your preferred default gatway devices."
|
||||
echo ""
|
||||
echo -e " \033[1mNotice\033[m"
|
||||
echo -e " On static line devices \033[1mappend \":<gateway>\033[m. This is very important,"
|
||||
echo -e " otherwise this script will \033[1mNOT work as expected\033[m."
|
||||
echo ""
|
||||
echo -e " If this script is invoked with option \033[1m-m\033[m, another script called \033[1m`basename $check_script`\033[m"
|
||||
echo -e " will be triigered to monitor the devices and informs about changes (online/offline"
|
||||
echo -e " status) of the given devices. If the status of a line has changed, this script"
|
||||
echo -e " is reinvoked by the monitoring script \033[1m`basename $check_script`\033[m to reconfigure"
|
||||
echo -e " the routing."
|
||||
echo ""
|
||||
echo -e " Options:"
|
||||
echo ""
|
||||
echo -e " \033[1m-h\033[m"
|
||||
echo -e " Prints this help\033[m"
|
||||
echo ""
|
||||
echo -e " \033[1m-l <list of online devices>\033[m"
|
||||
echo -e " List of all (internet) devices known as online. Usually, this option will"
|
||||
echo -e " be used by triggering this script from check script \033[1m`basename $check_script`\033[m."
|
||||
echo ""
|
||||
echo -e " \033[1m-m\033[m"
|
||||
echo -e " Activates monitoring of the given network devices."
|
||||
echo ""
|
||||
echo -e " Example:"
|
||||
echo -e " - Simply configure routing for devices \"$_INITIAL_DEVICE_LIST\""
|
||||
echo -e " \033[1m`basename $0` $_INITIAL_DEVICE_LIST\033[m"
|
||||
echo ""
|
||||
echo -e " - Configure routing for devices \"$_INITIAL_DEVICE_LIST\" and activate monitoring"
|
||||
echo -e " \033[1m`basename $0` -m $_INITIAL_DEVICE_LIST\033[m"
|
||||
echo ""
|
||||
|
||||
exit 1
|
||||
}
|
||||
|
||||
if [[ ! -f "$check_script" ]] ; then
|
||||
fatal "Check script \033[1m$check_script\033[m not found!"
|
||||
fi
|
||||
|
||||
if [[ "`which sipcalc`" == "" ]]; then
|
||||
fatal "\033[1msipcalc\033[m must be installed to run this script"
|
||||
fi
|
||||
|
||||
if [[ $EUID -ne 0 ]]; then
|
||||
fatal "This script must be run as root" 1>&2
|
||||
fi
|
||||
|
||||
## ---
|
||||
## --- Configure
|
||||
## ---
|
||||
|
||||
_monitoring=false
|
||||
ONLINE_DEVICE_LIST=
|
||||
while getopts hl:m opt ; do
|
||||
case $opt in
|
||||
h) usage
|
||||
;;
|
||||
l) ONLINE_DEVICE_LIST=$OPTARG
|
||||
;;
|
||||
m) _monitoring=true
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
shift `expr $OPTIND - 1`
|
||||
|
||||
INITIAL_DEVICE_LIST="$@"
|
||||
if [[ -z "$INITIAL_DEVICE_LIST" ]]; then
|
||||
INITIAL_DEVICE_LIST=$_INITIAL_DEVICE_LIST
|
||||
fi
|
||||
|
||||
[[ -z "$INITIAL_DEVICE_LIST" ]] && usage "No device list given"
|
||||
|
||||
## - Define (non associative) array
|
||||
## -
|
||||
declare -a inet_devices_arr
|
||||
declare -a dsl_devices_arr
|
||||
declare -a static_devices_arr
|
||||
declare -a online_devices_arr
|
||||
declare -A static_gw_arr
|
||||
|
||||
for _device in $INITIAL_DEVICE_LIST ; do
|
||||
if [[ "$_device" =~ : ]]; then
|
||||
static_gateway="${_device##*:}"
|
||||
_device="${_device%:*}"
|
||||
static_gw_arr[$_device]="$static_gateway"
|
||||
|
||||
static_devices_arr+=("$_device")
|
||||
|
||||
else
|
||||
dsl_devices_arr+=("$_device")
|
||||
fi
|
||||
inet_devices_arr+=("$_device")
|
||||
done
|
||||
|
||||
for _online_device in $ONLINE_DEVICE_LIST ; do
|
||||
online_devices_arr+=("$_online_device")
|
||||
done
|
||||
|
||||
|
||||
#echo "All Devices:"
|
||||
#for _device in "${inet_devices_arr[@]}" ; do
|
||||
# echo -e "\t$_device"
|
||||
#done
|
||||
#echo "Online Devices:"
|
||||
#for _device in "${online_devices_arr[@]}" ; do
|
||||
# echo -e "\t$_device"
|
||||
#done
|
||||
#
|
||||
#for inet_device in "${inet_devices_arr[@]}" ; do
|
||||
# if [ -n "$ONLINE_DEVICE_LIST" ]; then
|
||||
# if ! containsElement "$inet_device" "${online_devices_arr[@]}" ; then
|
||||
# echo "$inet_device is offline"
|
||||
# continue
|
||||
# fi
|
||||
# fi
|
||||
#done
|
||||
#
|
||||
#echo ""
|
||||
#exit
|
||||
|
||||
|
||||
## - Define associative arrays
|
||||
## -
|
||||
declare -A default_gw_arr
|
||||
declare -A gw_connection_arr
|
||||
|
||||
declare -i number_rt_table=0
|
||||
|
||||
|
||||
## ---
|
||||
## --- Start
|
||||
## ---
|
||||
|
||||
#echo "" >> $log_file
|
||||
#echo "" >> $log_file
|
||||
#echo "#############################" >> $log_file
|
||||
#echo "### ---" >> $log_file
|
||||
#echo "### --- [ `date +'%Y-%m-%d %H:%M'` ]: Starting Script `basename $0`.." >> $log_file
|
||||
#echo "### --- Devices all: $INITIAL_DEVICE_LIST" >> $log_file
|
||||
#echo "### --- Devices online: $ONLINE_DEVICE_LIST" >> $log_file
|
||||
#echo "### ---" >> $log_file
|
||||
#echo "### ---" >> $log_file
|
||||
#echo "#############################" >> $log_file
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "`date +'%Y-%m-%d %H:%M:%S'` [ Info ] Starting Script `basename $0`.." >> $log_file
|
||||
echo " Devices all: $INITIAL_DEVICE_LIST" >> $log_file
|
||||
echo " Devices online: $ONLINE_DEVICE_LIST" >> $log_file
|
||||
|
||||
configured=false
|
||||
if $_monitoring ; then
|
||||
max_attempts=20
|
||||
else
|
||||
max_attempts=1
|
||||
fi
|
||||
declare -i _try_number=0
|
||||
declare -i prio=0
|
||||
|
||||
while ! $configured && [ $_try_number -lt $max_attempts ] ; do
|
||||
|
||||
let _try_number++
|
||||
|
||||
if [ $_try_number -gt 1 ]; then
|
||||
echo "" >> $log_file
|
||||
echo "# --- sleeping 2 seconds before attempt number $_try_number" >> $log_file
|
||||
sleep 2
|
||||
fi
|
||||
|
||||
number_rt_table=0
|
||||
|
||||
#for inet_device in "${dsl_devices_arr[@]}" ; do
|
||||
for inet_device in "${inet_devices_arr[@]}" ; do
|
||||
|
||||
## - Create routing table name
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
__name=`echo $inet_device | cut -d '-' -f2`
|
||||
rt_name="dsl_$__name"
|
||||
else
|
||||
__name=`echo $inet_device | cut -d '-' -f1`
|
||||
rt_name="static_$__name"
|
||||
fi
|
||||
|
||||
if ! $_monitoring ; then
|
||||
|
||||
## - Check if device was reported (from check script) as offline
|
||||
## -
|
||||
_offline=false
|
||||
if [ -n "$ONLINE_DEVICE_LIST" ]; then
|
||||
if ! containsElement "$inet_device" "${online_devices_arr[@]}" ; then
|
||||
_offline=true
|
||||
fi
|
||||
else
|
||||
_offline=true
|
||||
fi
|
||||
|
||||
## - Cleanup routing tables
|
||||
## -
|
||||
if $_offline ; then
|
||||
|
||||
if $LOGGING_CONSOLE ; then
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" was reported to be down !"
|
||||
echo -e "\t So device \"$inet_device\" will be excluded from routing."
|
||||
fi
|
||||
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" was reported to be down !" >> $log_file
|
||||
echo -e "\t So device \"$inet_device\" will be excluded from routing." >> $log_file
|
||||
|
||||
## - Delete all existing entries of this routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all existing entries of routing table \"$rt_name\"" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table $rt_name" >> $log_file
|
||||
/sbin/ip route flush table $rt_name >> $log_file 2>&1
|
||||
|
||||
if /sbin/ip rule | grep $rt_name > /dev/null 2>&1 ; then
|
||||
## - Delete all rules concerning table $rt_name
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all rules concerning routing table $rt_name" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
while read line ; do
|
||||
direction=`echo $line | awk '{print$2}'`
|
||||
ip=`echo $line | awk '{print$3}'`
|
||||
echo "/sbin/ip rule delete $direction $ip table $rt_name" >> $log_file
|
||||
/sbin/ip rule delete $direction $ip table $rt_name
|
||||
done < <(/sbin/ip rule | grep $rt_name)
|
||||
echo "" >> $log_file
|
||||
fi # End: if /sbin/ip rule | grep $rt_name > /dev/null 2>&1
|
||||
|
||||
continue
|
||||
|
||||
fi # End: if $_offline
|
||||
fi # End: if ! $_monitoring ; then
|
||||
|
||||
let number_rt_table="$number_rt_table+100"
|
||||
prio=0
|
||||
|
||||
|
||||
## - Add new routing table to /etc/iproute2/rt_tables
|
||||
## - if not yet exists
|
||||
## -
|
||||
if ! grep $rt_name /etc/iproute2/rt_tables > /dev/null 2>&1 ; then
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Add new routing table to /etc/iproute2/rt_tables" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "echo \"$number_rt_table $rt_name\" >> /etc/iproute2/rt_tables" >> $log_file
|
||||
|
||||
echo -e "$number_rt_table\t$rt_name" >> /etc/iproute2/rt_tables
|
||||
fi
|
||||
|
||||
## - Is the device present and has local Address ?
|
||||
## -
|
||||
local_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse" | cut -d":" -f2 | cut -d" " -f1`
|
||||
if [ -z $local_gw_address ]; then
|
||||
if $LOGGING_CONSOLE ; then
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" seems to be down !"
|
||||
echo -e "\t No local address was found."
|
||||
fi
|
||||
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" seems to be down !" >> $log_file
|
||||
echo -e "\t No local address was found." >> $log_file
|
||||
|
||||
|
||||
## - Cleanup routing tables
|
||||
## -
|
||||
## - Delete all existing entries of this routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all existing entries of this routing table" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table $rt_name" >> $log_file
|
||||
/sbin/ip route flush table $rt_name >> $log_file 2>&1
|
||||
|
||||
if /sbin/ip rule | grep $rt_name > /dev/null 2>&1 ; then
|
||||
## - Delete all rules concerning table $rt_name
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all rules concerning routing table $rt_name" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
while read line ; do
|
||||
direction=`echo $line | awk '{print$2}'`
|
||||
ip=`echo $line | awk '{print$3}'`
|
||||
echo "/sbin/ip rule delete $direction $ip table $rt_name" >> $log_file
|
||||
/sbin/ip rule delete $direction $ip table $rt_name
|
||||
done < <(/sbin/ip rule | grep $rt_name)
|
||||
echo "" >> $log_file
|
||||
fi
|
||||
|
||||
continue
|
||||
fi # End: if [ -z $local_gw_address ]
|
||||
|
||||
## - Is the DSL-device known and has remote Address ?
|
||||
## -
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
remote_gw_address=`ifconfig $inet_device 2> /dev/null | grep "inet Adresse" | cut -d":" -f3 | cut -d" " -f1`
|
||||
remote_gw_net="$remote_gw_address/32"
|
||||
else
|
||||
net_address=`sipcalc $inet_device 2> /dev/null | grep -i -e "^network\s*address\s*-" | awk '{print$4}'`
|
||||
remote_gw_address=${static_gw_arr[$inet_device]}
|
||||
_netmask_bits=`sipcalc $inet_device 2> /dev/null | grep -i -e "Network\s*mask\s*(bits)" | awk '{print$5}'`
|
||||
remote_gw_net="${net_address}/$_netmask_bits"
|
||||
fi
|
||||
if [ -z $remote_gw_address ]; then
|
||||
if $LOGGING_CONSOLE ; then
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" seems to be down !"
|
||||
echo -e "\t No remote gateway was found."
|
||||
fi
|
||||
|
||||
|
||||
echo -e "\n\t[ Error ]: Connection at interface \"$inet_device\" seems to be down !" >> $log_file
|
||||
echo -e "\t No remote gateway was found." >> $log_file
|
||||
|
||||
## - Cleanup routing tables
|
||||
## -
|
||||
## - Delete all existing entries of this routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all existing entries of this routing table" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table $rt_name" >> $log_file
|
||||
/sbin/ip route flush table $rt_name >> $log_file 2>&1
|
||||
|
||||
if /sbin/ip rule | grep $rt_name > /dev/null 2>&1 ; then
|
||||
## - Delete all rules concerning table $rt_name
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete all rules concerning routing table $rt_name" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
while read line ; do
|
||||
direction=`echo $line | awk '{print$2}'`
|
||||
ip=`echo $line | awk '{print$3}'`
|
||||
echo "/sbin/ip rule delete $direction $ip table $rt_name" >> $log_file
|
||||
/sbin/ip rule delete $direction $ip table $rt_name
|
||||
done < <(/sbin/ip rule | grep $rt_name)
|
||||
echo "" >> $log_file
|
||||
fi
|
||||
|
||||
continue
|
||||
fi
|
||||
|
||||
## - Device already configured by that script?
|
||||
## -
|
||||
if [ ${default_gw_arr[$inet_device]+_} ] ; then
|
||||
continue
|
||||
fi
|
||||
|
||||
|
||||
# -
|
||||
# - Ready to start configuration for that device
|
||||
# -
|
||||
echo "" >> $log_file
|
||||
echo "# ---" >> $log_file
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
echo "# --- Routing Table for (DSL) network device \"$inet_device\" was created" >> $log_file
|
||||
else
|
||||
echo "# --- Routing Table for (static line) network device \"$inet_device\"" >> $log_file
|
||||
fi
|
||||
echo "# ---" >> $log_file
|
||||
|
||||
if $LOGGING_CONSOLE ; then
|
||||
echo
|
||||
echo
|
||||
if containsElement "$inet_device" "${dsl_devices_arr[@]}" ; then
|
||||
echo -e "\t--- DSL Connection at interface $inet_device"
|
||||
else
|
||||
echo -e "\t--- Static Connection at interface $inet_device"
|
||||
fi
|
||||
echo -e "\t---"
|
||||
echo -e "\tRouting Table Name..: $rt_name"
|
||||
echo
|
||||
echo -e "\tInterface...........: $inet_device"
|
||||
echo
|
||||
echo -e "\tLocal GW address....: $local_gw_address"
|
||||
echo -e "\tRemote GW address...: $remote_gw_address"
|
||||
echo -e "\tRemote network......: $remote_gw_net"
|
||||
echo
|
||||
fi
|
||||
echo "# --- Routing Table Name..: $rt_name" >> $log_file
|
||||
echo "# --- " >> $log_file
|
||||
echo "# --- Interface...........: $inet_device" >> $log_file
|
||||
echo "# --- " >> $log_file
|
||||
echo "# --- Local GW address....: $local_gw_address" >> $log_file
|
||||
echo "# --- Remote GW address...: $remote_gw_address" >> $log_file
|
||||
echo "# --- Remote network......: $remote_gw_net" >> $log_file
|
||||
echo "# --- " >> $log_file
|
||||
|
||||
## - Read routing table from output of "netstat -rn"
|
||||
## -
|
||||
routing_table_main_arr=()
|
||||
while read _destination _gateway _genmask _flags _mss _window _irtt _iface; do
|
||||
if [ "$_destination" = "Destination" -o "$_destination" = "Kernel" \
|
||||
-o "$_destination" = "Ziel" -o "$_destination" = "Kernel-IP-Routentabelle" ]; then
|
||||
continue
|
||||
fi
|
||||
routing_table_main_arr+=("$_destination $_gateway $_genmask $_iface")
|
||||
done < <(netstat -rn)
|
||||
|
||||
## - First delete all existing entries of this routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - First delete all existing entries of this routing table" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table $rt_name" >> $log_file
|
||||
/sbin/ip route flush table $rt_name >> $log_file 2>&1
|
||||
|
||||
|
||||
## - Add loopback device to routing table $rt_name
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Add loopback device to routing table $rt_name " >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route add 127.0.0.0/8 dev lo table table $rt_name" >> $log_file
|
||||
/sbin/ip route add 127.0.0.0/8 dev lo table $rt_name >> $log_file 2>&1
|
||||
|
||||
|
||||
## - Add routing tables of all (local) network interfaces
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Add routing tables of all (local) network interfaces" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
for _entry in "${routing_table_main_arr[@]}" ; do
|
||||
dest=`echo $_entry | cut -d " " -f1`
|
||||
gateway=`echo $_entry | cut -d " " -f2`
|
||||
genmask=`echo $_entry | cut -d " " -f3`
|
||||
iface=`echo $_entry | cut -d " " -f4`
|
||||
|
||||
## - We will set default route later..
|
||||
## -
|
||||
if [ "$dest" = "0.0.0.0" ]; then
|
||||
continue
|
||||
fi
|
||||
|
||||
## - Is this a "ppp"-device ?
|
||||
## -
|
||||
if [[ "$iface" =~ "ppp" ]]; then
|
||||
continue
|
||||
fi
|
||||
|
||||
if [ "$dest" = "$remote_gw_address" ]; then
|
||||
continue
|
||||
fi
|
||||
|
||||
if [ "$gateway" = "0.0.0.0" ]; then
|
||||
echo "/sbin/ip route add ${dest}/$genmask dev $iface table $rt_name" >> $log_file
|
||||
/sbin/ip route add ${dest}/$genmask dev $iface table $rt_name >> $log_file 2>&1
|
||||
else
|
||||
echo "/sbin/ip route add ${dest}/$genmask via $gateway table $rt_name" >> $log_file
|
||||
/sbin/ip route add ${dest}/$genmask via $gateway table $rt_name >> $log_file 2>&1
|
||||
fi
|
||||
done
|
||||
|
||||
## - Add this connection to the routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Add this connection to the routing table $rt_name" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
|
||||
if $USE_REMOTE_GATEWAY_ADDRESS ; then
|
||||
## - Remote Network: $remote_gw_net
|
||||
## -
|
||||
echo "/sbin/ip route add $remote_gw_net dev $inet_device src $local_gw_address table $rt_name" >> $log_file
|
||||
/sbin/ip route add $remote_gw_net dev $inet_device src $local_gw_address table $rt_name >> $log_file 2>&1
|
||||
else
|
||||
## - Remote Network: 0.0.0.0
|
||||
## -
|
||||
echo "/sbin/ip route add 0.0.0.0 dev $inet_device src $local_gw_address table $rt_name" >> $log_file
|
||||
/sbin/ip route add 0.0.0.0 dev $inet_device src $local_gw_address table $rt_name >> $log_file 2>&1
|
||||
fi
|
||||
|
||||
if $SET_MULTIPLE_DEFAULT_GW ; then
|
||||
if /sbin/ip route show table main | grep -e "^$remote_gw_address" | grep $inet_device > /dev/null 2>&1 ; then
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete route via (dsl remote) host $remote_gw_address" >> $log_file
|
||||
echo "## -"
|
||||
echo "/sbin/ip route delete $remote_gw_address dev $inet_device" >> $log_file
|
||||
/sbin/ip route delete $remote_gw_address dev $inet_device >> $log_file 2>&1
|
||||
fi
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Add this connection also to the main routing table" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route add $remote_gw_net dev $inet_device src $local_gw_address" >> $log_file
|
||||
/sbin/ip route add $remote_gw_net dev $inet_device src $local_gw_address >> $log_file 2>&1
|
||||
fi
|
||||
|
||||
## - Remeber that route in order to add it to the routing table
|
||||
## - of other connections
|
||||
## -
|
||||
gw_connection_arr[$inet_device]="$remote_gw_net $local_gw_address"
|
||||
|
||||
|
||||
## - Add the connections associated gateway as default gateway for this
|
||||
## - routing table
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Add the connections associated gateway as default gateway for this" >> $log_file
|
||||
echo "## - routing table" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
|
||||
if $USE_REMOTE_GATEWAY_ADDRESS ; then
|
||||
## - Default Gatway: $remote_gw_address
|
||||
## -
|
||||
#echo "/sbin/ip route add default via $remote_gw_address dev $inet_device table $rt_name" >> $log_file
|
||||
#/sbin/ip route add default via $remote_gw_address dev $inet_device table $rt_name >> $log_file 2>&1
|
||||
echo "/sbin/ip route add default via $remote_gw_address table $rt_name" >> $log_file
|
||||
/sbin/ip route add default via $remote_gw_address table $rt_name >> $log_file 2>&1
|
||||
else
|
||||
## - Default Gatway: 0.0.0.0
|
||||
## -
|
||||
echo "/sbin/ip route add default via 0.0.0.0 dev $inet_device table $rt_name" >> $log_file
|
||||
/sbin/ip route add default via 0.0.0.0 dev $inet_device table $rt_name >> $log_file 2>&1
|
||||
fi
|
||||
|
||||
|
||||
## - Make sure that a reply goes out over the same connection as came in
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Make sure that a reply goes out over the same connection as came in" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
|
||||
if ! /sbin/ip rule | grep "from $local_gw_address" > /dev/null 2>&1 ; then
|
||||
let prio="$number_rt_table"
|
||||
echo "/sbin/ip rule add from $local_gw_address table $rt_name prio $prio" >> $log_file
|
||||
/sbin/ip rule add from $local_gw_address table $rt_name prio $prio >> $log_file 2>&1
|
||||
#let prio="10+$prio"
|
||||
#echo "/sbin/ip rule add to $local_gw_address table $rt_name prio $prio" >> $log_file
|
||||
#/sbin/ip rule add to $local_gw_address table $rt_name prio $prio >> $log_file 2>&1
|
||||
else
|
||||
let prio="1010+$number_rt_table"
|
||||
echo -e "#\t[ info ]: Rule already exists.." >> $log_file
|
||||
fi
|
||||
|
||||
|
||||
## ---
|
||||
## --- Special Routing (local) IP-Address OUT
|
||||
## ---
|
||||
|
||||
if [[ ${#rule_local_ip_arr[@]} -gt 0 ]] ; then
|
||||
|
||||
let prio="1000+${number_rt_table}+10"
|
||||
|
||||
for _val in "${rule_local_ip_arr[@]}" ; do
|
||||
|
||||
IFS=':' read -a _val_arr <<< "${_val}"
|
||||
|
||||
if [[ "${_val_arr[0]}" = "$inet_device" ]]; then
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Rule ${prio}: from ${_val_arr[1]} through ${_val_arr[0]}" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
if ! /sbin/ip rule | grep "from ${_val_arr[1]} " > /dev/null 2>&1 ; then
|
||||
echo "/sbin/ip rule add from ${_val_arr[1]} table $rt_name prio $prio" >> $log_file
|
||||
/sbin/ip rule add from ${_val_arr[1]} table $rt_name prio $prio >> $log_file 2>&1
|
||||
else
|
||||
echo "# Rule already exists" >> $log_file
|
||||
fi
|
||||
prio="10+$prio"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
|
||||
## ---
|
||||
## --- Special Routing (remote) Services
|
||||
## ---
|
||||
|
||||
if [[ ${#rule_remote_ip_arr[@]} -gt 0 ]] ; then
|
||||
|
||||
let prio="5000+${number_rt_table}+10"
|
||||
|
||||
for _val in "${rule_remote_ip_arr[@]}" ; do
|
||||
|
||||
IFS=':' read -a _val_arr <<< "${_val}"
|
||||
|
||||
if [[ "${_val_arr[0]}" = "$inet_device" ]]; then
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Rule ${prio}: to ${_val_arr[1]} through ${_val_arr[0]}" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
if ! /sbin/ip rule | grep "to ${_val_arr[1]} " > /dev/null 2>&1 ; then
|
||||
echo "/sbin/ip rule add to ${_val_arr[1]} table $rt_name prio $prio" >> $log_file
|
||||
/sbin/ip rule add to ${_val_arr[1]} table $rt_name prio $prio >> $log_file 2>&1
|
||||
else
|
||||
echo "# Rule already exists" >> $log_file
|
||||
fi
|
||||
prio="10+$prio"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
## ---
|
||||
## --- Special Routing Networks
|
||||
## ---
|
||||
|
||||
if [[ ${#rule_local_net_arr[@]} -gt 0 ]] ; then
|
||||
|
||||
let prio="10000+${number_rt_table}+10"
|
||||
|
||||
for _val in "${rule_local_net_arr[@]}" ; do
|
||||
|
||||
IFS=':' read -a _val_arr <<< "${_val}"
|
||||
|
||||
if [[ "${_val_arr[0]}" = "$inet_device" ]]; then
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Rule ${prio}: from ${_val_arr[1]} through ${_val_arr[0]}" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
if ! /sbin/ip rule | grep "from ${_val_arr[1]} " > /dev/null 2>&1 ; then
|
||||
echo "/sbin/ip rule add from ${_val_arr[1]} table $rt_name prio $prio" >> $log_file
|
||||
/sbin/ip rule add from ${_val_arr[1]} table $rt_name prio $prio >> $log_file 2>&1
|
||||
else
|
||||
echo "# Rule already exists" >> $log_file
|
||||
fi
|
||||
prio="10+$prio"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
## - Add this connection to the routing tables of other already configured dsl-connections
|
||||
## -
|
||||
## - Note:
|
||||
## - Connections which will be configured later at this loop will
|
||||
## - not have that connection in their routing tables. So you have
|
||||
## - to add missing routes at the end (after that loop has finisched).
|
||||
## -
|
||||
## - _key is eqal to the ppp-device
|
||||
## -
|
||||
for _key in "${!gw_connection_arr[@]}"; do
|
||||
|
||||
if containsElement "$_key" "${dsl_devices_arr[@]}" ; then
|
||||
__name=`echo $_key | cut -d '-' -f2`
|
||||
_rt_name="dsl_$__name"
|
||||
else
|
||||
__name=`echo $_key | cut -d '-' -f1`
|
||||
_rt_name="static_$__name"
|
||||
fi
|
||||
if [[ "$_rt_name" == "$rt_name" ]]; then
|
||||
continue
|
||||
fi
|
||||
|
||||
_local_gw_address=`echo ${gw_connection_arr[$_key]} | cut -d " " -f2`
|
||||
_remote_gw_net=`echo ${gw_connection_arr[$_key]} | cut -d " " -f1`
|
||||
echo "" >> $log_file
|
||||
echo "## - Add this connection to the routing table \"$_rt_name\"" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
|
||||
if $USE_REMOTE_GATEWAY_ADDRESS ; then
|
||||
## - Remote Network: $_remote_gw_net
|
||||
## -
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^$_remote_gw_net\s+dev\s+$_key" >/dev/null 2>&1 ; then
|
||||
_remote_gw=`echo $_remote_gw_net | cut -d "/" -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^$_remote_gw\s+dev\s+$_key" >/dev/null 2>&1 ; then
|
||||
echo "/sbin/ip route add $_remote_gw_net dev $_key src $_local_gw_address table $_rt_name" >> $log_file
|
||||
/sbin/ip route add $_remote_gw_net dev $_key src $_local_gw_address table $_rt_name >> $log_file 2>&1
|
||||
else
|
||||
echo -e "#\t[ info ]: Connection through $_key is already part of table $_rt_name" >> $log_file
|
||||
fi
|
||||
fi
|
||||
else
|
||||
## - Remote Network: 0.0.0.0
|
||||
## -
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^0.0.0.0\s+dev\s+$_key" >/dev/null 2>&1 ; then
|
||||
_remote_gw=`echo $_remote_gw_net | cut -d "/" -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^0.0.0.0\s+dev\s+$_key" >/dev/null 2>&1 ; then
|
||||
echo "/sbin/ip route add 0.0.0.0 dev $_key src $_local_gw_address table $_rt_name" >> $log_file
|
||||
/sbin/ip route add 0.0.0.0 dev $_key src $_local_gw_address table $_rt_name >> $log_file 2>&1
|
||||
else
|
||||
echo -e "#\t[ info ]: Connection through $_key is already part of table $_rt_name" >> $log_file
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
|
||||
## - Add this gateway data to the array concerning all outgoing gatways
|
||||
## -
|
||||
#default_gw_arr[$inet_device]="$local_gw_address"
|
||||
default_gw_arr[$inet_device]="$remote_gw_address"
|
||||
|
||||
|
||||
if $SET_MULTIPLE_DEFAULT_GW ; then
|
||||
|
||||
default_gw_arg=""
|
||||
for _key in "${!default_gw_arr[@]}"; do
|
||||
|
||||
if $USE_DEFAULT_GW_ADDRESS ; then
|
||||
## - Default Gateway: $remote_gw_address
|
||||
## -
|
||||
default_gw_arg="$default_gw_arg nexthop via ${default_gw_arr[$_key]} dev $_key weight 1"
|
||||
else
|
||||
## - Default Gateway: 0.0.0.0
|
||||
## -
|
||||
default_gw_arg="$default_gw_arg nexthop via 0.0.0.0 dev $_key weight 1"
|
||||
fi
|
||||
|
||||
done
|
||||
if [ -n "$default_gw_arg" ] ; then
|
||||
echo "" >> $log_file
|
||||
echo "## - Add multiple default gateways" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route delete default" >> $log_file
|
||||
/sbin/ip route delete default >> $log_file 2>&1
|
||||
echo "/sbin/ip route add default scope global $default_gw_arg" >> $log_file
|
||||
/sbin/ip route add default scope global $default_gw_arg >> $log_file 2>&1
|
||||
else
|
||||
echo "" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "## - [ Warning]: No default gateway found!" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
|
||||
|
||||
## - Notice:
|
||||
## - It is possible to first make a number of changes and then flush
|
||||
## - the cache so that all of the changes will be implemented simultaneously.
|
||||
## - This is actually convenient when working on an active router.
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "## - Flush table cache" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table cache" >> $log_file
|
||||
/sbin/ip route flush table cache >> $log_file 2>&1
|
||||
|
||||
echo "" >> $log_file
|
||||
|
||||
if [ ${#default_gw_arr[@]} -eq ${#inet_devices_arr[@]} ]; then
|
||||
configured=true
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
done
|
||||
|
||||
|
||||
## - Some dsl-connections maybe not known to all routing tables. So add
|
||||
## - the missing routes to the appropriate tables..
|
||||
## -
|
||||
echo "" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "## - Some dsl-connections maybe not known to all routing tables. So add" >> $log_file
|
||||
echo "## - the missing routes to the appropriate tables.." >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
_changed=false
|
||||
|
||||
if $USE_REMOTE_GATEWAY_ADDRESS ; then
|
||||
## - Remote Network: $_remote_gw_net
|
||||
## -
|
||||
for _key in "${!gw_connection_arr[@]}"; do
|
||||
|
||||
if containsElement "$_key" "${dsl_devices_arr[@]}" ; then
|
||||
__name=`echo $_key | cut -d '-' -f2`
|
||||
_rt_name="dsl_$__name"
|
||||
else
|
||||
__name=`echo $_key | cut -d '-' -f1`
|
||||
_rt_name="static_$__name"
|
||||
fi
|
||||
|
||||
echo "# Routing Table \"$_rt_name\"" >> $log_file
|
||||
for __key in "${!gw_connection_arr[@]}"; do
|
||||
_local_gw_address=`echo ${gw_connection_arr[$__key]} | cut -d " " -f2`
|
||||
_remote_gw_net=`echo ${gw_connection_arr[$__key]} | cut -d " " -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^$_remote_gw_net\s+dev\s+$__key" >/dev/null 2>&1 ; then
|
||||
_remote_gw=`echo $_remote_gw_net | cut -d "/" -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^$_remote_gw\s+dev\s+$__key" >/dev/null 2>&1 ; then
|
||||
#echo "/sbin/ip route add $_remote_gw_net dev $_key src $_local_gw_address table $_rt_name" >> $log_file
|
||||
#/sbin/ip route add $_remote_gw_net dev $__key src $_local_gw_address table $_rt_name >> $log_file 2>&1
|
||||
echo "/sbin/ip route add $_remote_gw dev $__key table $_rt_name" >> $log_file
|
||||
/sbin/ip route add $_remote_gw dev $__key table $_rt_name >> $log_file 2>&1
|
||||
_changed=true
|
||||
else
|
||||
echo -e "#\t[ info ]: Connection through $__key is already part of table $_rt_name" >> $log_file
|
||||
fi
|
||||
fi
|
||||
done
|
||||
done
|
||||
else
|
||||
## - Remote Network: 0.0.0.0
|
||||
## -
|
||||
for _key in "${!gw_connection_arr[@]}"; do
|
||||
|
||||
|
||||
if containsElement "$_key" "${dsl_devices_arr[@]}" ; then
|
||||
__name=`echo $_key | cut -d '-' -f2`
|
||||
_rt_name="dsl_$__name"
|
||||
else
|
||||
__name=`echo $_key | cut -d '-' -f1`
|
||||
_rt_name="static_$__name"
|
||||
fi
|
||||
|
||||
echo "# Routing Table \"$_rt_name\"" >> $log_file
|
||||
for __key in "${!gw_connection_arr[@]}"; do
|
||||
_local_gw_address=`echo ${gw_connection_arr[$__key]} | cut -d " " -f2`
|
||||
_remote_gw_net=`echo ${gw_connection_arr[$__key]} | cut -d " " -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^0.0.0.0\s+dev\s+$__key" >/dev/null 2>&1 ; then
|
||||
_remote_gw=`echo $_remote_gw_net | cut -d "/" -f1`
|
||||
if ! /sbin/ip route show table $_rt_name | egrep "^0.0.0.0\s+dev\s+$__key" >/dev/null 2>&1 ; then
|
||||
echo "/sbin/ip route add 0.0.0.0 dev $_key src $_local_gw_address table $_rt_name" >> $log_file
|
||||
/sbin/ip route add 0.0.0.0 dev $__key src $_local_gw_address table $_rt_name >> $log_file 2>&1
|
||||
_changed=true
|
||||
else
|
||||
echo -e "#\t[ info ]: Connection through $__key is already part of table $_rt_name" >> $log_file
|
||||
fi
|
||||
fi
|
||||
done
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
## - If not using multiple default gatways, set the default gateway here
|
||||
## -
|
||||
if ! $SET_MULTIPLE_DEFAULT_GW ; then
|
||||
|
||||
__set_default_gatway=false
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "## ---" >> $log_file
|
||||
echo "## --- Add default gateway" >> $log_file
|
||||
echo "## ---" >> $log_file
|
||||
|
||||
## - Note: the first online device will become default route
|
||||
## -
|
||||
for _device in "${inet_devices_arr[@]}" ; do
|
||||
## - Device online ?
|
||||
if [ -n "${default_gw_arr[$_device]}" ]; then
|
||||
echo "/sbin/ip route delete default" >> $log_file
|
||||
/sbin/ip route delete default >> $log_file 2>&1
|
||||
if $USE_REMOTE_GATEWAY_ADDRESS ; then
|
||||
echo "/sbin/ip route add default via ${default_gw_arr[$_device]} dev $_device" >> $log_file
|
||||
/sbin/ip route add default via ${default_gw_arr[$_device]} dev $_device >> $log_file 2>&1
|
||||
else
|
||||
echo "/sbin/ip route add default via 0.0.0.0 dev $_device" >> $log_file
|
||||
/sbin/ip route add default via 0.0.0.0 dev $_device >> $log_file 2>&1
|
||||
fi
|
||||
__set_default_gatway=true
|
||||
_changed=true
|
||||
break
|
||||
else
|
||||
echo "" >> $log_file
|
||||
echo -e "\t[ Warning ]: $_device is OFFLINE ! Trying next.." >> $log_file
|
||||
fi
|
||||
done
|
||||
if ! $__set_default_gatway ; then
|
||||
|
||||
echo "" >> $log_file
|
||||
echo -e "\t[ Error ]: No connection is online!" >> $log_file
|
||||
echo -e "\t Try to set default gateway from an existing static line .." >> $log_file
|
||||
|
||||
## - Notice:
|
||||
## -
|
||||
## - If no connection is available (the machine is fully offline), the check script will not
|
||||
## - recognize, if the static line becomes online. A way to handle this is to let the
|
||||
## - default gateway active.
|
||||
## -
|
||||
default_gw_deleted=false
|
||||
for _device in "${inet_devices_arr[@]}" ; do
|
||||
if containsElement "$_device" "${static_devices_arr[@]}" ; then
|
||||
|
||||
## - Delete old default route
|
||||
## -
|
||||
if ! $default_gw_deleted ; then
|
||||
echo "" >> $log_file
|
||||
echo "## - Delete existing default gatewy" >> $log_file
|
||||
echo "## - " >> $log_file
|
||||
echo "/sbin/ip route delete default" >> $log_file
|
||||
/sbin/ip route delete default >> $log_file 2>&1
|
||||
default_gw_deleted=true
|
||||
fi
|
||||
|
||||
## - Set new default route
|
||||
## -
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "## - Try to set default gateway to ${static_gw_arr[$_device]}.." >> $log_file
|
||||
echo "## - " >> $log_file
|
||||
echo "/sbin/ip route add default via ${static_gw_arr[$_device]} dev $_device" >> $log_file
|
||||
/sbin/ip route add default via ${static_gw_arr[$_device]} dev $_device >> $log_file 2>&1
|
||||
|
||||
if [[ "$?" == 0 ]] ; then
|
||||
__set_default_gatway=true
|
||||
break
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
if ! $__set_default_gatway ; then
|
||||
echo "" >> $log_file
|
||||
echo -e "\t[ Error ]: No default gateway is set!" >> $log_file
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
|
||||
## - Flush the routing tables cache if somethimg has changed
|
||||
## -
|
||||
if $_changed ; then
|
||||
echo "" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "## - Some Routing tables has changed, so flush table cache" >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
echo "/sbin/ip route flush table cache" >> $log_file
|
||||
/sbin/ip route flush table cache >> $log_file 2>&1
|
||||
fi
|
||||
|
||||
if $_monitoring ; then
|
||||
echo "" >> $log_file
|
||||
echo "" >> $log_file
|
||||
echo "## - Starting monitoring script to check dsl connections.." >> $log_file
|
||||
echo "## -" >> $log_file
|
||||
|
||||
if [[ -z "${!default_gw_arr[@]}" ]] ; then
|
||||
echo "$check_script $INITIAL_DEVICE_LIST &" >> $log_file 2>&1
|
||||
$check_script $INITIAL_DEVICE_LIST &
|
||||
else
|
||||
|
||||
_LIST=
|
||||
for _device in ${!default_gw_arr[@]} ; do
|
||||
_LIST="$_LIST $_device"
|
||||
done
|
||||
_LIST=`echo "${_LIST}" | sed -e 's/^[ \t]*//'`
|
||||
|
||||
echo "$check_script -l \"$_LIST\" $INITIAL_DEVICE_LIST &" >> $log_file 2>&1
|
||||
$check_script -l "$_LIST" $INITIAL_DEVICE_LIST &
|
||||
fi
|
||||
fi
|
||||
|
||||
echo "" >> $log_file
|
||||
echo "### -------------------------" >> $log_file
|
||||
|
||||
exit 0
|
||||
Loading…
Reference in New Issue
Block a user