sedlo

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[/] [trunk/] [sedlo] - Diff between revs 2 and 3

Rev 2 Rev 3

Line 1... Line 1...

#!/bin/bash #!/bin/bash

# author : Petr Simandl www.simandl.cz # author : Petr Simandl www.simandl.cz

# release date : 19/08/2004 # release date : 29/08/2004

# name : sedlo # name : sedlo

# description : dynamic side routing tables tool # description : dynamic side routing tables tool

# license : GPL # license : GPL

sl_version="0.0.1" sl_version="0.0.2"

PATH=$PATH:$HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:usr/local/bin:/usr/local/sbin PATH=$PATH:$HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:usr/local/bin:/usr/local/sbin

sl_nmcnf="sedlo.conf" sl_nmcnf="sedlo.conf"

sl_sedlocnf="/etc/$sl_nmcnf" sl_sedlocnf="/etc/$sl_nmcnf"

sl_sedlocache="/var/cache/sedlo" sl_sedlocache="/var/cache/sedlo"

sl_rttab="/etc/iproute2/rt_tables" sl_rttab="/etc/iproute2/rt_tables"

sl_rtnmin=110 sl_rtnmin=110

sl_rtnmax=125 sl_rtnmax=200

sl_ipnodef="10.0.0.0/8"

sl_ipcmd=`which wget` slm_unknown="Nezname parametry : "

sl_ipcmd=`which ip`

sl_trcmd=`which tr`

sl_wgetcmd=`which wget`

sl_hnmcmd=`which hostname` sl_hnmcmd=`which hostname`

sl_awkcmd=`which awk` sl_awkcmd=`which awk`

sl_catcmd=`which cat`

sl_grepcmd=`which grep`

sl_time=`date '+%Y%m%d%H%M%S'`

if [ -e $sl_sedlocnf ] if [ -e $sl_sedlocnf ]

then then

sl_nop=1 sl_nop=1

else else

Line 41... Line 45...

fi fi

sl_murlcfg=`cat $sl_sedlocnf | grep mcnf | uniq | awk '{print $2}'` sl_murlcfg=`cat $sl_sedlocnf | grep mcnf | uniq | awk '{print $2}'`

###################################################################### ######################################################################

s_mktables() s_fillrules()

{ {

echo s_mktables if [ $scm_info -gt 0 ]; then echo "Creating rules" ; fi

sl_igws=`cat $sl_sedlocache/$sl_nmcnf | grep "^igw" | awk '{print $3}'` sl_ips=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^ip" | $sl_awkcmd '{print $2"*"$4"*"$5"*"$6}'`

for sl_igw in $sl_igws for sl_ip in $sl_ips

do

sl_ipn=`echo $sl_ip | $sl_awkcmd -F '*' '{print $1}'`

sl_ipgws=`echo $sl_ip | $sl_awkcmd -F '*' '{print $2,$3,$4}'`

sl_ok="no"

for sl_ipgw in $sl_ipgws

do do

sl_igwrttb=`cat $sl_rttab | awk '{print $2}' | grep $sl_igw ` sl_tbl=`$sl_ipcmd ro ls ta $sl_ipgw`

if [ "$sl_igwrttb x" = " x" ] if [ "$sl_tbl x" != " x" ] && [ "$sl_ok" = "no" ]

then then

echo "Table for $sl_igw not found - creating" sl_empty="no"

sl_cnt="$sl_rtnmax" sl_cnt=3

sl_ok="no" #removing until we have some rules in table but the maximum of cycles is limited

until [ "$sl_cnt" -eq "$sl_rtnmin" ] || [ "$sl_ok" = "yes" ] #to avoid neverending loop

do while [ "$sl_empty" = "no" ]

#space is used to recognized two and three digit numbers do

sl_igwrttb=`cat $sl_rttab | awk '{print $1" "}' | grep "$sl_cnt " ` sl_ipru=`$sl_ipcmd ru ls | $sl_grepcmd $sl_ipn`

if [ "$sl_igwrttb x" = " x" ] if [ "$sl_ipru x" != " x" ]

then then

sl_ok="yes" if [ $scm_info -gt 1 ]; then echo "Removing old rules for $sl_ipn" ; fi

echo "$sl_cnt $sl_igw" >> $sl_rttab $sl_ipcmd ru del from $sl_ipn

$sl_ipcmd ru del from $sl_ipn to $sl_ipnodef

else

sl_empty="yes"

fi fi

sl_cnt=$(($sl_cnt - 1 )) sl_cnt=$(($sl_cnt - 1 ))

done if [ "$sl_cnt" -eq -1 ]

then

sl_empty="yes"

echo "Too much cycles"

fi

done

if [ $scm_info -gt 1 ]; then echo "Creating new rules to send $sl_ipn to table $sl_ipgw" ; fi

$sl_ipcmd ru add from $sl_ipn lookup $sl_ipgw

$sl_ipcmd ru add from $sl_ipn to $sl_ipnodef lookup main

sl_ok="yes"

else

if [ "$sl_ok" = "no" ]

then

if [ $scm_info -gt 1 ]; then echo "For $sl_ipn table $sl_ipgw not used because it is empty" ; fi

else

if [ $scm_info -gt 1 ]; then echo "For $sl_ipn table $sl_ipgw not used because it has lower priority" ; fi

fi

fi

done

done

} # s_fillrules

######################################################################

s_filltables()

{

if [ $scm_info -gt 0 ]; then echo "Filling tables" ; fi

sl_igws=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^igw" | $sl_awkcmd '{print $3"*"$2}'`

for sl_igw in $sl_igws

do

sl_igwn=`echo $sl_igw | $sl_awkcmd -F '*' '{print $1}'`

sl_igwip=`echo $sl_igw | $sl_awkcmd -F '*' '{print $2}'`

sl_igwgt=`$sl_ipcmd ro ls | $sl_grepcmd "^$sl_igwip " | $sl_awkcmd '{print $3}'`

if [ "$sl_igwgt x" = " x" ]

then

if [ $scm_info -gt 1 ]; then echo "Route not found for igw $sl_igwn - leaving table empty" ; fi

sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn`

if [ "$sl_tbl x" != " x" ]

then

$sl_ipcmd ro fl ta $sl_igwn

fi

else else

echo "Table for $sl_igw found" sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn`

if [ "$sl_tbl x" != " x" ]

then

$sl_ipcmd ro fl ta $sl_igwn

fi

$sl_ipcmd ro add 0.0.0.0/1 via $sl_igwgt ta $sl_igwn

$sl_ipcmd ro add 128.0.0.0/1 via $sl_igwgt ta $sl_igwn

if [ $scm_info -gt 1 ]; then echo "Table filled for igw $sl_igwn" ; fi

fi

done

} # s_filltables

######################################################################

s_mktables()

{

if [ $scm_info -gt 0 ]; then echo "Creating tables " ; fi

sl_igws=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^igw" | $sl_awkcmd '{print $3}'`

for sl_igw in $sl_igws

do

sl_igwrttb=`$sl_catcmd $sl_rttab | $sl_awkcmd '{print $2}' | $sl_grepcmd $sl_igw `

if [ "$sl_igwrttb x" = " x" ]

then

if [ $scm_info -gt 1 ]; then echo "Creating table for $sl_igw" ; fi

sl_cnt="$sl_rtnmax"

sl_ok="no"

until [ "$sl_cnt" -eq "$sl_rtnmin" ] || [ "$sl_ok" = "yes" ]

do

#space is used to recognized two and three digit numbers

sl_igwrttb=`cat $sl_rttab | awk '{print $1" "}' | grep "$sl_cnt " `

if [ "$sl_igwrttb x" = " x" ]

then

sl_ok="yes"

echo "$sl_cnt $sl_igw" >> $sl_rttab

fi

sl_cnt=$(($sl_cnt - 1 ))

done

else

if [ $scm_info -gt 1 ]; then echo "Table found for $sl_igw no action taken" ; fi

fi fi

done done

} } # s_mktables

###################################################################### ######################################################################

s_getcfg() s_getcfg()

{ {

echo s_getcfg if [ $scm_info -gt 0 ]; then echo "Getting config" ; fi

if [ $scm_info -gt 1 ]; then echo "Using main config $sl_murlcfg" ; fi

if [ $scm_info -gt 1 ]; then echo "Using local config $sl_sedlocnf" ; fi

wget $sl_murlcfg -O "$sl_sedlocache/$sl_nmcnf.main" -q wget $sl_murlcfg -O "$sl_sedlocache/$sl_nmcnf.main" -q

if [ -s $sl_sedlocache/$sl_nmcnf.main ]

then

sl_nop=1

else

if [ $scm_info -gt 1 ]; then echo "Main config not found $sl_sedlocache/$sl_nmcnf.main" ; fi

fi

echo "# generated file" > $sl_sedlocache/$sl_nmcnf echo "# generated file" > $sl_sedlocache/$sl_nmcnf

for sl_file in `ls $sl_sedlocnf $sl_sedlocache/$sl_nmcnf.main ` for sl_file in `ls $sl_sedlocnf $sl_sedlocache/$sl_nmcnf.main `

do do

cat $sl_file | grep "^mcnf" | awk '{print $1"\t"$2}' >> $sl_sedlocache/$sl_nmcnf cat $sl_file | grep "^mcnf" | awk '{print $1"\t"$2}' >> $sl_sedlocache/$sl_nmcnf

cat $sl_file | grep "^igw" | awk '{print $1"\t"$2"\t"$3}' >> $sl_sedlocache/$sl_nmcnf cat $sl_file | grep "^igw" | awk '{print $1"\t"$2"\t"$3}' >> $sl_sedlocache/$sl_nmcnf

Line 94... Line 191...

###################################################################### ######################################################################

s_version() s_version()

{ {

echo sedlo $sl_version echo sedlo $sl_version

exit 0 exit 0

} } # s_version

######################################################################

s_report()

{

echo "##### SEDLO #####"

echo "version : $sl_version"

echo "local_config : $sl_sedlocnf"

echo "main_config : $sl_murlcfg"

echo "##### TABLES #####"

cat $sl_rttab

echo "##### RULES #####"

$sl_ipcmd ru ls

exit 0

} # s_report

###################################################################### ######################################################################

s_help() s_help()

{ {

echo Pouziti: sedlo [param] echo Pouziti: sedlo [param]

echo param: echo param:

echo -v vypise verzi echo -v vypise verzi

echo -help vypise napovedu

echo -info1 malo upovidany

echo -info2 hodne upovidany

echo -nogetcfg zajisti ze se nedude znovu nacitat konfigurace a pouzije se predchozi z cache

echo -report vypise prehled pravidel a tabulek

exit 0 exit 0

} } # s_help

###################################################################### ######################################################################

###################################################################### ######################################################################

s_getcfg sl_unknown=""

scm_nogetcfg=0

scm_info=0

# parsing input parameters

while [ "a$1" != "a" ]

do

case $1 in

-v)

s_version

;;

-h)

s_help

;;

-report)

s_report

;;

-help)

s_help

;;

-nogetcfg)

scm_nogetcfg=1

shift

;;

-info1)

scm_info=1

shift

;;

-info2)

scm_info=2

shift

;;

*)

sl_unknown="$sl_unknown$1 "

shift

esac

done

# printing the list of bad parameters (if there are some)

if [ "a$sl_unknown" != "a" ]

then

echo "$slm_unknown $sl_unknown"

s_help

fi

if [ $scm_nogetcfg -eq 0 ]

then

s_getcfg

fi

s_mktables s_mktables

s_filltables

s_fillrules

exit 0 exit 0

-Rev 2
+Rev 3
 Line 1...
 #!/bin/bash
 # author       : Petr Simandl www.simandl.cz
-# release date : 19/08/2004
+# release date : 29/08/2004
 # name         : sedlo
 # description  : dynamic side routing tables tool
 # license      : GPL
-sl_version="0.0.1"
+sl_version="0.0.2"
 PATH=$PATH:$HOME/bin:/bin:/sbin:/usr/bin:/usr/sbin:usr/local/bin:/usr/local/sbin
 sl_nmcnf="sedlo.conf"
 sl_sedlocnf="/etc/$sl_nmcnf"
 sl_sedlocache="/var/cache/sedlo"
 sl_rttab="/etc/iproute2/rt_tables"
 sl_rtnmin=110
-sl_rtnmax=125
+sl_rtnmax=200
+sl_ipnodef="10.0.0.0/8"
-sl_ipcmd=`which wget`
+slm_unknown="Nezname parametry : "
+sl_ipcmd=`which ip`
+sl_trcmd=`which tr`
+sl_wgetcmd=`which wget`
 sl_hnmcmd=`which hostname`
 sl_awkcmd=`which awk`
+sl_catcmd=`which cat`
+sl_grepcmd=`which grep`
-sl_time=`date '+%Y%m%d%H%M%S'`
 if [ -e $sl_sedlocnf ]
   then
     sl_nop=1
   else
-Line 41...
+Line 45...
 fi
 sl_murlcfg=`cat $sl_sedlocnf | grep mcnf | uniq | awk '{print $2}'`
 ######################################################################
-s_mktables()
+s_fillrules()
 {
-echo s_mktables
+if [ $scm_info -gt 0 ]; then echo "Creating rules" ; fi
-sl_igws=`cat $sl_sedlocache/$sl_nmcnf | grep "^igw" | awk '{print $3}'`
+sl_ips=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^ip" | $sl_awkcmd '{print $2"*"$4"*"$5"*"$6}'`
-for sl_igw in $sl_igws
+for sl_ip in $sl_ips
+do
+  sl_ipn=`echo $sl_ip | $sl_awkcmd -F '*' '{print $1}'`
+  sl_ipgws=`echo $sl_ip | $sl_awkcmd -F '*' '{print $2,$3,$4}'`
+  sl_ok="no"
+  for sl_ipgw in $sl_ipgws
   do
-    sl_igwrttb=`cat $sl_rttab | awk '{print $2}' | grep $sl_igw `
+    sl_tbl=`$sl_ipcmd ro ls ta $sl_ipgw`
-    if [ "$sl_igwrttb x" = " x" ]
+    if [ "$sl_tbl x" != " x" ] && [ "$sl_ok" = "no" ]
       then
-      echo "Table for $sl_igw not found - creating"
+      sl_empty="no"
-      sl_cnt="$sl_rtnmax"
+      sl_cnt=3
-      sl_ok="no"
+#removing until we have some rules in table but the maximum of cycles is limited
-      until [ "$sl_cnt" -eq "$sl_rtnmin" ] || [ "$sl_ok" = "yes" ]
+#to avoid neverending loop
-      do
+      while [ "$sl_empty" = "no" ]
-        #space is used to recognized two and three digit numbers
+      do
-        sl_igwrttb=`cat $sl_rttab | awk '{print $1" "}' | grep "$sl_cnt " `
+        sl_ipru=`$sl_ipcmd ru ls | $sl_grepcmd $sl_ipn`
-        if [ "$sl_igwrttb x" = " x" ]
+        if [ "$sl_ipru x" != " x" ]
           then
-          sl_ok="yes"
+            if [ $scm_info -gt 1 ]; then echo "Removing old rules for $sl_ipn" ; fi
-          echo "$sl_cnt $sl_igw" >> $sl_rttab
+            $sl_ipcmd ru del from $sl_ipn
+            $sl_ipcmd ru del from $sl_ipn to $sl_ipnodef
+          else
+            sl_empty="yes"
         fi
         sl_cnt=$(($sl_cnt - 1 ))
-      done
+        if [ "$sl_cnt" -eq -1 ]
+        then
+          sl_empty="yes"
+          echo "Too much cycles"
+        fi
+      done
+      if [ $scm_info -gt 1 ]; then echo "Creating new rules to send $sl_ipn to table $sl_ipgw" ; fi
+      $sl_ipcmd ru add from $sl_ipn lookup $sl_ipgw
+      $sl_ipcmd ru add from $sl_ipn to $sl_ipnodef lookup main
+      sl_ok="yes"
+      else
+      if [ "$sl_ok" = "no" ]
+        then
+          if [ $scm_info -gt 1 ]; then echo "For $sl_ipn table $sl_ipgw not used because it is empty" ; fi
+        else
+          if [ $scm_info -gt 1 ]; then echo "For $sl_ipn table $sl_ipgw not used because it has lower priority" ; fi
+      fi
+    fi
+  done
+done
+} # s_fillrules
+######################################################################
+s_filltables()
+{
+if [ $scm_info -gt 0 ]; then echo "Filling tables" ; fi
+sl_igws=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^igw" | $sl_awkcmd '{print $3"*"$2}'`
+for sl_igw in $sl_igws
+  do
+    sl_igwn=`echo $sl_igw | $sl_awkcmd -F '*' '{print $1}'`
+    sl_igwip=`echo $sl_igw | $sl_awkcmd -F '*' '{print $2}'`
+    sl_igwgt=`$sl_ipcmd ro ls | $sl_grepcmd "^$sl_igwip " | $sl_awkcmd '{print $3}'`
+    if [ "$sl_igwgt x" = " x" ]
+      then
+        if [ $scm_info -gt 1 ]; then echo "Route not found for igw $sl_igwn - leaving table empty" ; fi
+        sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn`
+        if [ "$sl_tbl x" != " x" ]
+          then
+            $sl_ipcmd ro fl ta $sl_igwn
+        fi
       else
-      echo "Table for $sl_igw found"
+        sl_tbl=`$sl_ipcmd ro ls ta $sl_igwn`
+        if [ "$sl_tbl x" != " x" ]
+          then
+            $sl_ipcmd ro fl ta $sl_igwn
+        fi
+        $sl_ipcmd ro add 0.0.0.0/1 via $sl_igwgt ta $sl_igwn
+        $sl_ipcmd ro add 128.0.0.0/1 via $sl_igwgt ta $sl_igwn
+        if [ $scm_info -gt 1 ]; then echo "Table filled for igw $sl_igwn" ; fi
+    fi
+  done
+} # s_filltables
+######################################################################
+s_mktables()
+{
+if [ $scm_info -gt 0 ]; then echo "Creating tables " ; fi
+sl_igws=`$sl_catcmd $sl_sedlocache/$sl_nmcnf | $sl_grepcmd "^igw" | $sl_awkcmd '{print $3}'`
+for sl_igw in $sl_igws
+  do
+    sl_igwrttb=`$sl_catcmd $sl_rttab | $sl_awkcmd '{print $2}' | $sl_grepcmd $sl_igw `
+    if [ "$sl_igwrttb x" = " x" ]
+      then
+        if [ $scm_info -gt 1 ]; then echo "Creating table for $sl_igw" ; fi
+        sl_cnt="$sl_rtnmax"
+        sl_ok="no"
+        until [ "$sl_cnt" -eq "$sl_rtnmin" ] || [ "$sl_ok" = "yes" ]
+        do
+          #space is used to recognized two and three digit numbers
+          sl_igwrttb=`cat $sl_rttab | awk '{print $1" "}' | grep "$sl_cnt " `
+          if [ "$sl_igwrttb x" = " x" ]
+            then
+              sl_ok="yes"
+              echo "$sl_cnt     $sl_igw" >> $sl_rttab
+          fi
+          sl_cnt=$(($sl_cnt - 1 ))
+        done
+      else
+        if [ $scm_info -gt 1 ]; then echo "Table found for $sl_igw no action taken" ; fi
     fi
   done
-}
+} # s_mktables
 ######################################################################
 s_getcfg()
 {
-echo s_getcfg
+if [ $scm_info -gt 0 ]; then echo "Getting config" ; fi
+if [ $scm_info -gt 1 ]; then echo "Using main config $sl_murlcfg" ; fi
+if [ $scm_info -gt 1 ]; then echo "Using local config $sl_sedlocnf" ; fi
 wget $sl_murlcfg -O "$sl_sedlocache/$sl_nmcnf.main" -q
+if [ -s $sl_sedlocache/$sl_nmcnf.main ]
+  then
+    sl_nop=1
+  else
+    if [ $scm_info -gt 1 ]; then echo "Main config not found $sl_sedlocache/$sl_nmcnf.main" ; fi
+fi
 echo "# generated file" > $sl_sedlocache/$sl_nmcnf
 for sl_file in `ls $sl_sedlocnf $sl_sedlocache/$sl_nmcnf.main `
 do
 cat $sl_file | grep "^mcnf" | awk '{print $1"\t"$2}' >> $sl_sedlocache/$sl_nmcnf
 cat $sl_file | grep "^igw" | awk '{print $1"\t"$2"\t"$3}' >> $sl_sedlocache/$sl_nmcnf
-Line 94...
+Line 191...
 ######################################################################
 s_version()
 {
   echo sedlo $sl_version
   exit 0
-}
+} # s_version
+######################################################################
+s_report()
+{
+  echo "##### SEDLO #####"
+  echo "version      : $sl_version"
+  echo "local_config : $sl_sedlocnf"
+  echo "main_config  : $sl_murlcfg"
+  echo "##### TABLES #####"
+  cat $sl_rttab
+  echo "##### RULES #####"
+  $sl_ipcmd ru ls
+  exit 0
+} # s_report
 ######################################################################
 s_help()
 {
   echo Pouziti: sedlo [param]
   echo param:
   echo -v vypise verzi
+  echo -help vypise napovedu
+  echo -info1 malo upovidany
+  echo -info2 hodne upovidany
+  echo -nogetcfg zajisti ze se nedude znovu nacitat konfigurace a pouzije se predchozi z cache
+  echo -report vypise prehled pravidel a tabulek
   exit 0
-}
+} # s_help
 ######################################################################
 ######################################################################
-s_getcfg
+sl_unknown=""
+scm_nogetcfg=0
+scm_info=0
+# parsing input parameters
+while [ "a$1" != "a" ]
+do
+  case $1 in
+  -v)
+     s_version
+  ;;
+  -h)
+     s_help
+  ;;
+  -report)
+     s_report
+  ;;
+  -help)
+     s_help
+  ;;
+  -nogetcfg)
+    scm_nogetcfg=1
+    shift
+  ;;
+  -info1)
+    scm_info=1
+    shift
+  ;;
+  -info2)
+    scm_info=2
+    shift
+  ;;
+  *)
+    sl_unknown="$sl_unknown$1 "
+    shift
+  esac
+done
+# printing the list of bad parameters (if there are some)
+if [ "a$sl_unknown" != "a" ]
+then
+  echo "$slm_unknown $sl_unknown"
+  s_help
+fi
+if [ $scm_nogetcfg -eq 0 ]
+then
+  s_getcfg
+fi
 s_mktables
+s_filltables
+s_fillrules
 exit 0