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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 7faa6be..77c4dcd 100755
--- a/contrib/check_mssql.sh
+++ b/contrib/check_mssql.sh
@@ -3,18 +3,21 @@
3# 3#
4# Requirements: 4# Requirements:
5# 5#
6# Sqsh (http://www.sqsh.org/) 6# FreeTDS 6.0+ (http://www.freetds.org/)
7# FreeTDS (http://www.freetds.org/)
8# 7#
9# It was written by Tom De Blende (tom.deblende@village.uunet.be) in 2003. 8# It was written by Tom De Blende (tom.deblende@village.uunet.be) in 2003.
10# 9#
11# Version 1.0. 10# Version 1.0.
12# Version 1.1: rewritten the initial script so that it not only works from the CLI but also from within Nagios. Always helpful... 11# Version 1.1: Rewritten the initial script so that it not only works from the CLI but also from within Nagios. Always helpful...
13# Version 1.2: grouped output so things look a bit better. 12# Version 1.2: Grouped output so things look a bit better.
13# Version 2.0: Rewritten the plugin to support version 6.0+ of FreeTDS.
14# Removed sqsh requirement as version 6.0+ of FreeTDS now offers its own CLI client: tsql.
15# Older versions of FreeTDS are no longer supported.
16#
14# 17#
15# You might want to change these values: 18# You might want to change these values:
16 19
17sqshcmd="/usr/local/bin/sqsh" 20tsqlcmd=`which tsql`
18catcmd=`which cat` 21catcmd=`which cat`
19grepcmd=`which grep` 22grepcmd=`which grep`
20rmcmd=`which rm` 23rmcmd=`which rm`
@@ -26,7 +29,6 @@ uniqcmd=`which uniq`
26 29
27################################################################################################################### 30###################################################################################################################
28 31
29
30hostname=$1 32hostname=$1
31usr=$2 33usr=$2
32pswd=$3 34pswd=$3
@@ -34,17 +36,17 @@ srv=$4
34 36
35 37
36if [ ! "$#" == "4" ]; then 38if [ ! "$#" == "4" ]; then
37 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" 39 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"
38 40
39elif [ $sqshcmd == "" ]; then 41elif [ $tsqlcmd == "" ]; then
40 echo -e "Sqsh not found! Please verify you have a working version of Sqsh (http://www.sqsh.org/) and enter the full path in the script." && exit "3" 42 echo -e "tsql not found! Please verify you have a working version of tsql (included in the FreeTDS version 6.0+) and enter the full path in the script." && exit "3"
41 43
42fi 44fi
43 45
44exit="3" 46exit="3"
45 47
46 48
47# Creating the command file that contains the sql statement that has to be run on the SQL server. Normally one would use the -C parameter of sqsh, but it seems that there is a bug that doesn't allow statements with more than one blanc. 49# Creating the command file that contains the sql statement that has to be run on the SQL server.
48 50
49tmpfile=`$mktempcmd /tmp/$hostname.XXXXXX` 51tmpfile=`$mktempcmd /tmp/$hostname.XXXXXX`
50 52
@@ -59,18 +61,37 @@ fi
59echo -e "select loginame from sysprocesses where spid > $spid order by loginame asc\ngo" > $tmpfile 61echo -e "select loginame from sysprocesses where spid > $spid order by loginame asc\ngo" > $tmpfile
60 62
61 63
62# Running sqsh to get the results back. 64# Running tsql to get the results back.
63 65
64resultfile=`$mktempcmd /tmp/$hostname.XXXXXX` 66resultfile=`$mktempcmd /tmp/$hostname.XXXXXX`
65$sqshcmd -S $hostname -U $usr -P $pswd -w 100000 -i $tmpfile -o $resultfile 2>/dev/null 67errorfile=`$mktempcmd /tmp/$hostname.XXXXXX`
68$tsqlcmd -S $hostname -U $usr -P $pswd < $tmpfile 2>$errorfile > $resultfile
69
70$grepcmd -q "Login failed for user" $errorfile
71
72if [ "$?" == "0" ]; then
73 $rmcmd -f $tmpfile $resultfile $errorfile;
74 echo CRITICAL - Could not make connection to SQL server. Login failed.;
75 exit 2;
76fi
77
78$grepcmd -q "There was a problem connecting to the server" $errorfile
79
80if [ "$?" == "0" ]; then
81 $rmcmd -f $tmpfile $resultfile $errorfile;
82 echo CRITICAL - Could not make connection to SQL server. Incorrect server name or SQL service not running.;
83 exit 2;
84fi
85
86resultfileln=`$catcmd $resultfile | $wccmd -l | $sedcmd 's/ //g'`
66 87
67if [ ! -s $resultfile ]; then 88if [ "$resultfileln" == "2" ]; then
68 $rmcmd -f $tmpfile $resultfile; 89 $rmcmd -f $tmpfile $resultfile $errorfile;
69 echo CRITICAL - Could not make connection to SQL server.; 90 echo CRITICAL - Could not make connection to SQL server. No data received from host.;
70 exit 2; 91 exit 2;
71else 92else
72 nmbr=`$catcmd $resultfile | $grepcmd -v "\-\-\-\-\-" | $grepcmd -v "loginame" | $grepcmd -v "affected" | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $wccmd -l | sed 's/ //g'`; 93 nmbr=`$catcmd $resultfile | $grepcmd -v locale | $grepcmd -v charset| $grepcmd -v 1\> | $sedcmd '/^$/d' | $sedcmd 's/ //g' | $wccmd -l | sed 's/ //g'`
73 users=`$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' | $trcmd \\\t " "`; 94 users=`$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'`
74 $rmcmd -f $tmpfile $resultfile; 95 $rmcmd -f $tmpfile $resultfile;
75 echo "OK - MS SQL Server $srv has $nmbr user(s) connected: $users" | sed 's/: $/./g'; 96 echo "OK - MS SQL Server $srv has $nmbr user(s) connected: $users" | sed 's/: $/./g';
76 exit 0; 97 exit 0;
@@ -78,6 +99,6 @@ fi
78 99
79# Cleaning up. 100# Cleaning up.
80 101
81$rmcmd -f $tmpfile $resultfile 102$rmcmd -f $tmpfile $resultfile $errorfile
82echo $stdio 103echo $stdio
83exit $exit 104exit $exit