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# release date : 06/08/2006 |
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# release date : 06/08/2006 |
# name : sedlo |
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# name : sedlo |
# description : dynamic side routing tables tool |
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# description : dynamic side routing tables tool |
# license : GPL |
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# license : GPL |
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sl_version="0.0.4pre2" |
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sl_version="0.0.4pre3" |
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PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin |
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PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin |
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sl_nmcnf="sedlo.conf" |
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sl_nmcnf="sedlo.conf" |
sl_sedlocnf="/etc/$sl_nmcnf" |
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sl_sedlocnf="/etc/$sl_nmcnf" |
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then |
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then |
#getting num of routes of igw |
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#getting num of routes of igw |
sl_igwnr=`$sl_ipcmd ro ls ta all | $sl_grepcmd -c $sl_igwn` |
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sl_igwnr=`$sl_ipcmd ro ls ta all | $sl_grepcmd -c $sl_igwn` |
if [ "$sl_igwnr x" = "0 x" ] |
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if [ "$sl_igwnr x" = "0 x" ] |
then |
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then |
if [ $scm_info -gt 1 ]; then echo "Igw $sl_igwn is already empty - no action taken" ; fi |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn is already empty - no action taken" ; fi |
else |
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else |
if [ $scm_info -gt 1 ]; then echo "Igw $sl_igwn will be flushed and rules rearranged" ; fi |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn will be flushed and rules rearranged" ; fi |
$sl_ipcmd ro fl ta $sl_igwn |
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$sl_ipcmd ro fl ta $sl_igwn |
#because this igw dissapeared we set a flag for rules recreation |
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#because this igw dissapeared we set a flag for rules recreation |
sl_diffigw=1 |
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sl_diffigw=1 |
fi |
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fi |
else |
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else |
echo "Igw $sl_igwn found in local config - leaving table as is" |
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echo "Igw $sl_igwn found in local config - leaving table as is" |
fi |
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fi |
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else |
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else |
sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn` |
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sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn` |
if [ "$sl_tbl x" != " x" ] |
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#if the table is empty we fill it and we set flag for rules recreation |
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if [ "$sl_tbl x" = " x" ] |
then |
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then |
$sl_ipcmd ro fl ta $sl_igwn |
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sl_diffigw=1 |
fi |
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$sl_ipcmd ro add 0.0.0.0/1 via $sl_igwgt ta $sl_igwn |
$sl_ipcmd ro add 0.0.0.0/1 via $sl_igwgt ta $sl_igwn |
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$sl_ipcmd ro add 128.0.0.0/1 via $sl_igwgt ta $sl_igwn |
$sl_ipcmd ro add 128.0.0.0/1 via $sl_igwgt ta $sl_igwn |
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if [ "$sl_igwtype x" = "myigw x" ] |
if [ "$sl_igwtype x" = "myigw x" ] |
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then |
then |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn filled with default myigw $sl_igwgt" ; fi |
if [ $scm_info -gt 1 ]; then echo "Table filled for myigw $sl_igwn" ; fi |
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else |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn filled with default gw $sl_igwgt" ; fi |
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fi |
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#the table is not empty so we check if routes are the same |
else |
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else |
if [ $scm_info -gt 1 ]; then echo "Table filled for igw $sl_igwn" ; fi |
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#picking default gateway from the table |
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sl_igwogt=`$sl_ipcmd ro ls ta $sl_igwn | $sl_awkcmd '{print $3}' | uniq` |
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#checking if the old default is same as the new one |
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if [ "$sl_igwogt x" = "$sl_igwgt x" ] |
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then |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn will not be changed and default is $sl_igwgt" ; fi |
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else |
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#the new default is different so we will flush the table, fill new default |
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if [ $scm_info -gt 1 ]; then echo "Table $sl_igwn will be rewritten to default $sl_igwgt" ; fi |
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#flushing old default route in the table |
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$sl_ipcmd ro fl ta $sl_igwn |
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#filling new default |
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$sl_ipcmd ro add 0.0.0.0/1 via $sl_igwgt ta $sl_igwn |
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$sl_ipcmd ro add 128.0.0.0/1 via $sl_igwgt ta $sl_igwn |
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fi |
fi |
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fi |
fi |
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fi |
done |
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done |
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} # s_filltables |
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} # s_filltables |
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then |
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then |
if [ $scm_info -gt 0 ]; then echo "We have less rules ($sl_numru) than new config has ips ($sl_numip)" ; fi |
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if [ $scm_info -gt 0 ]; then echo "We have less rules ($sl_numru) than new config has ips ($sl_numip)" ; fi |
# sl_diffcfg="1" |
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# sl_diffcfg="1" |
else |
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else |
if [ $scm_info -gt 0 ]; then echo "We have $sl_numru rules and $sl_numip ips" ; fi |
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if [ $scm_info -gt 0 ]; then echo "We have $sl_numru rules and $sl_numip ips" ; fi |
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fi |
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#zero rules means this is the firs time we run sedlo and it needs to force rules creation |
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#checking if there are some rule and if not then we force rules recreation |
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if [ $sl_numru -eq 0 ] |
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then |
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if [ $scm_info -gt 0 ]; then echo "We have zero rules ($sl_numru) - rules recreation will be forced" ; fi |
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scm_force=1 |
fi |
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fi |
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} |
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} |
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###################################################################### |
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###################################################################### |
