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-rwxr-xr-xcontrib/check_mssql.sh59
1 files changed, 40 insertions, 19 deletions
diff --git a/contrib/check_mssql.sh b/contrib/check_mssql.sh
index 7faa6bed..77c4dcd2 100755
--- a/contrib/check_mssql.sh
+++ b/contrib/check_mssql.sh
@@ -3,18 +3,21 @@
#
# Requirements:
#
-# Sqsh (http://www.sqsh.org/)
-# FreeTDS (http://www.freetds.org/)
+# FreeTDS 6.0+ (http://www.freetds.org/)
#
# It was written by Tom De Blende (tom.deblende@village.uunet.be) in 2003.
#
# Version 1.0.
-# Version 1.1: rewritten the initial script so that it not only works from the CLI but also from within Nagios. Always helpful...
-# Version 1.2: grouped output so things look a bit better.
+# Version 1.1: Rewritten the initial script so that it not only works from the CLI but also from within Nagios. Always helpful...
+# Version 1.2: Grouped output so things look a bit better.
+# Version 2.0: Rewritten the plugin to support version 6.0+ of FreeTDS.
+# Removed sqsh requirement as version 6.0+ of FreeTDS now offers its own CLI client: tsql.
+# Older versions of FreeTDS are no longer supported.
+#
#
# You might want to change these values:
-sqshcmd="/usr/local/bin/sqsh"
+tsqlcmd=`which tsql`
catcmd=`which cat`
grepcmd=`which grep`
rmcmd=`which rm`
@@ -26,7 +29,6 @@ uniqcmd=`which uniq`
###################################################################################################################
-
hostname=$1
usr=$2
pswd=$3
@@ -34,17 +36,17 @@ srv=$4
if [ ! "$#" == "4" ]; then
- echo -e "\nYou did not supply enough arguments. \nUsage: $0 <host> <username> <password> <version> \n \n$0 checks Microsoft SQL Server connectivity. It works with versions 7 and 2000.\n\nYou need a working version of Sqhs (http://www.sqsh.org/) and FreeTDS (http://www.freetds.org/) to connect to the SQL server. \nIt was written by Tom De Blende (tom.deblende@village.uunet.be) in 2003. \n\nExample:\n $0 dbserver sa f00bar 2000\n" && exit "3"
+ echo -e "\nYou did not supply enough arguments. \nUsage: $0 <host> <username> <password> <version> \n \n$0 checks Microsoft SQL Server connectivity. It works with versions 7 and 2000.\n\nYou need a working version of FreeTDS (http://www.freetds.org/) and tsql (included in FreeTDS 6.0+) to connect to the SQL server. \nIt was written by Tom De Blende (tom.deblende@village.uunet.be) in 2003. \n\nExample:\n $0 dbserver sa f00bar 2000\n" && exit "3"
-elif [ $sqshcmd == "" ]; then
- echo -e "Sqsh not found! Please verify you have a working version of Sqsh (http://www.sqsh.org/) and enter the full path in the script." && exit "3"
+elif [ $tsqlcmd == "" ]; then
+ echo -e "tsql not found! Please verify you have a working version of tsql (included in the FreeTDS version 6.0+) and enter the full path in the script." && exit "3"
fi
exit="3"
-# Creating the command file that contains the sql statement that has to be run on the SQL server. Normally one would use the -C parameter of sqsh, but it seems that there is a bug that doesn't allow statements with more than one blanc.
+# Creating the command file that contains the sql statement that has to be run on the SQL server.
tmpfile=`$mktempcmd /tmp/$hostname.XXXXXX`
@@ -59,18 +61,37 @@ fi
echo -e "select loginame from sysprocesses where spid > $spid order by loginame asc\ngo" > $tmpfile
-# Running sqsh to get the results back.
+# Running tsql to get the results back.
resultfile=`$mktempcmd /tmp/$hostname.XXXXXX`
-$sqshcmd -S $hostname -U $usr -P $pswd -w 100000 -i $tmpfile -o $resultfile 2>/dev/null
+errorfile=`$mktempcmd /tmp/$hostname.XXXXXX`
+$tsqlcmd -S $hostname -U $usr -P $pswd < $tmpfile 2>$errorfile > $resultfile
+
+$grepcmd -q "Login failed for user" $errorfile
+
+if [ "$?" == "0" ]; then
+ $rmcmd -f $tmpfile $resultfile $errorfile;
+ echo CRITICAL - Could not make connection to SQL server. Login failed.;
+ exit 2;
+fi
+
+$grepcmd -q "There was a problem connecting to the server" $errorfile
+
+if [ "$?" == "0" ]; then
+ $rmcmd -f $tmpfile $resultfile $errorfile;
+ echo CRITICAL - Could not make connection to SQL server. Incorrect server name or SQL service not running.;
+ exit 2;
+fi
+
+resultfileln=`$catcmd $resultfile | $wccmd -l | $sedcmd 's/ //g'`
-if [ ! -s $resultfile ]; then
- $rmcmd -f $tmpfile $resultfile;
- echo CRITICAL - Could not make connection to SQL server.;
- exit 2;
+if [ "$resultfileln" == "2" ]; then
+ $rmcmd -f $tmpfile $resultfile $errorfile;
+ echo CRITICAL - Could not make connection to SQL server. No data received from host.;
+ exit 2;
else
- nmbr=`$catcmd $resultfile | $grepcmd -v "\-\-\-\-\-" | $grepcmd -v "loginame" | $grepcmd -v "affected" | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $wccmd -l | sed 's/ //g'`;
- users=`$catcmd $resultfile | $grepcmd -v "\-\-\-\-\-" | $grepcmd -v "loginame" | $grepcmd -v "affected" | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $uniqcmd -c | $trcmd \\\n , | $sedcmd 's/,$/./g' | $sedcmd 's/,/, /g' | $sedcmd 's/ //g' | $trcmd \\\t " "`;
+ nmbr=`$catcmd $resultfile | $grepcmd -v locale | $grepcmd -v charset| $grepcmd -v 1\> | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $wccmd -l | sed 's/ //g'`
+ users=`$catcmd $resultfile | $grepcmd -v locale | $grepcmd -v charset| $grepcmd -v 1\> | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $uniqcmd -c | $trcmd \\\n , | $sedcmd 's/,$/./g' | $sedcmd 's/,/, /g' | $sedcmd 's/ //g' | $trcmd \\\t " " | $sedcmd 's/ \./\./g' | $sedcmd 's/ ,/,/g'`
$rmcmd -f $tmpfile $resultfile;
echo "OK - MS SQL Server $srv has $nmbr user(s) connected: $users" | sed 's/: $/./g';
exit 0;
@@ -78,6 +99,6 @@ fi
# Cleaning up.
-$rmcmd -f $tmpfile $resultfile
+$rmcmd -f $tmpfile $resultfile $errorfile
echo $stdio
exit $exit