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Diffstat (limited to 'perl/manager/manager.pm')
| -rw-r--r-- | perl/manager/manager.pm | 1051 |
1 files changed, 1051 insertions, 0 deletions
diff --git a/perl/manager/manager.pm b/perl/manager/manager.pm new file mode 100644 index 0000000..0450625 --- /dev/null +++ b/perl/manager/manager.pm @@ -0,0 +1,1051 @@ +package NetSNMP::manager; + +use strict (); +use warnings; +use Apache::Constants qw(:common); +use CGI qw(:standard delete_all); +use SNMP (); +use DBI (); +use NetSNMP::manager::displaytable qw(displaytable displaygraph); + +# globals +$NetSNMP::manager::hostname = 'localhost'; # Host that serves the mSQL Database +$NetSNMP::manager::dbname = 'snmp'; # mySQL Database name +$NetSNMP::manager::user = 'root'; +# $NetSNMP::manager::pass = "password"; +$NetSNMP::manager::imagebase = "/home/hardaker/src/snmp/manager"; # <=== CHANGE ME ==== +$NetSNMP::manager::redimage = "/graphics/red.gif"; +$NetSNMP::manager::greenimage = "/graphics/green.gif"; +#$NetSNMP::manager::verbose = 1; +$NetSNMP::manager::tableparms = "border=1 bgcolor=\"#c0c0e0\""; +$NetSNMP::manager::headerparms = "border=1 bgcolor=\"#b0e0b0\""; + +# init the snmp library +$SNMP::save_descriptions=1; +#SNMP::init_mib(); + +%NetSNMP::manager::myorder = qw(id 0 oidindex 1 host 2 updated 3); + +sub handler { + my $r = shift; + Apache->request($r); + + # get info from handler + my $hostname = $r->dir_config('hostname') || $NetSNMP::manager::hostname; + my $dbname = $r->dir_config('dbname') || $NetSNMP::manager::dbname; + my $sqluser = $r->dir_config('user') || $NetSNMP::manager::user; + my $pass = $r->dir_config('pass') || $NetSNMP::manager::pass; + my $verbose = $r->dir_config('verbose') || $NetSNMP::manager::verbose; + +#=========================================================================== +# Global defines +#=========================================================================== + +my ($dbh, $query, $remuser); + +$remuser = $ENV{'REMOTE_USER'}; +$remuser = "guest" if (!defined($remuser) || $remuser eq ""); + +#=========================================================================== +# Connect to the mSQL database with the appropriate driver +#=========================================================================== +($dbh = DBI->connect("DBI:mysql:database=$dbname;host=$hostname", $sqluser, $pass)) + or die "\tConnect not ok: $DBI::errstr\n"; + +#=========================================================================== +# stats Images, for inclusion on another page. (ie, slashdot user box) +#=========================================================================== +if (my $group = param('groupstat')) { + $r->content_type("image/gif"); + $r->send_http_header(); + my $cur = getcursor($dbh, "select host from usergroups as ug, hostgroups as hg where ug.groupname = '$group' and hg.groupname = '$group' and user = '$remuser'"); + while (my $row = $cur->fetchrow_hashref ) { + if (checkhost($dbh, $group, $row->{'host'})) { + open(I, "$NetSNMP::manager::imagebase$NetSNMP::manager::redimage"); + while(read(I, $_, 4096)) { print; } + close(I); + } + } + open(I, "$NetSNMP::manager::imagebase$NetSNMP::manager::greenimage"); + while(read(I, $_, 4096)) { print; } + close(I); + return OK(); +} + + +sub date_format { + my $time = shift; + my @out = localtime($time); + my $ret = $out[4] . "-" . $out[3] . "-" . $out[5] . " " . $out[2] . " " . $out[1]; +# print STDERR "$time: $ret\n"; + return $ret; +} + + +# +# Graphing of historical data +# +if ((param('displaygraph') || param('dograph')) && param('table')) { + my $host = param('host'); + my $group = param('group'); + if (!isuser($dbh, $remuser, $group)) { + $r->content_type("image/png"); + $r->send_http_header(); + print "Unauthorized access to that group ($group)\n"; + return Exit($dbh, $group); + } + my $table = param('table'); + my @columns; + + if (!param('dograph')) { + $r->content_type("text/html"); + $r->send_http_header(); + print "<body bgcolor=\"#ffffff\">\n"; + print "<form>\n"; + print "<table border=1><tr><td>\n"; + + print "<table>\n"; + print "<tr align=top><th></th><th>Select indexes<br>to graph</th></tr>\n"; + + my $handle = getcursor($dbh, "SELECT sql_small_result distinct(oidindex) FROM $table where host = '$host'"); + my @cols; + while ( $row = $handle->fetchrow_hashref ) { + print "<tr><td>$row->{oidindex}</td><td><input type=checkbox value=1 name=" . 'graph_' . displaytable::to_unique_key($row->{'oidindex'}) . "></td></tr>\n"; + } + print "</table>\n"; + + print "</td><td>\n"; + + print "<table>\n"; + print "<tr align=top><th></th><th>Select Columns<br>to graph</th></tr>\n"; + my $handle = getcursor($dbh, "SELECT * FROM $table limit 1"); + my $row = $handle->fetchrow_hashref; + map { print "<tr><td>$_</td><td><input type=checkbox value=1 name=column_" . displaytable::to_unique_key($_) . "></td></tr>\n"; } keys(%$row); + print "</table>\n"; + + print "</td></tr></table>\n"; + + print "<br>Graph as a Rate: <input type=checkbox value=1 name=graph_as_rate><br>\n"; + print "<br>Maximum Y Value: <input type=text value=inf name=max_y><br>\n"; + print "<br>Minimum Y Value: <input type=text value=-inf name=min_y><br>\n"; + + print "<input type=hidden name=table value=\"$table\">\n"; + print "<input type=hidden name=host value=\"$host\">\n"; + print "<input type=hidden name=dograph value=1>\n"; + print "<input type=hidden name=group value=\"$group\">\n"; + print "<input type=submit name=\"Make Graph\">\n"; + + print "</form>\n"; + + my $handle = getcursor($dbh, "SELECT distinct(oidindex) FROM $table where host = '$host' order by oidindex"); + return Exit($dbh, $group); + } + if (param('graph_all_data')) { + $clause = "host = '$host'"; + } else { + my $handle = getcursor($dbh, "SELECT distinct(oidindex) FROM $table where host = '$host'"); + $clause = "where ("; + while ( $row = $handle->fetchrow_hashref ) { +# print STDERR "graph test: " . $row->{'oidindex'} . "=" . "graph_" . displaytable::to_unique_key($row->{'oidindex'}) . "=" . param("graph_" . displaytable::to_unique_key($row->{'oidindex'})) . "\n"; + if (param("graph_" . displaytable::to_unique_key($row->{'oidindex'}))) { + $clause .= " or oidindex = " . $row->{'oidindex'} . ""; + } + } + + my $handle = getcursor($dbh, "SELECT * FROM $table limit 1"); + my $row = $handle->fetchrow_hashref; + map { push @columns, $_ if (param('column_' . displaytable::to_unique_key($_))) } keys(%$row); + + $clause .= ")"; + $clause =~ s/\( or /\(/; + if ($clause =~ /\(\)/ || $#columns == -1) { + $r->content_type("text/html"); + $r->send_http_header(); + print "<body bgcolor=\"#ffffff\">\n"; + print "<h1>No Data to Graph</h1>\n"; + print STDERR "No data to graph: $clause, $#columns\n"; + return Exit($dbh, "$group"); + } + $clause .= " and host = '$host'"; + } + +# print STDERR "graphing clause: $clause\n"; + + # all is ok, display the graph + + $r->content_type("image/png"); + $r->send_http_header(); + + print STDERR "graphing clause: $clause, columns: ", join(", ",@columns), "\n"; + my @args; + push (@args, '-rate', '60') if (param('graph_as_rate')); + push (@args, '-max', param('max_y')) if (param('max_y') && param('max_y') =~ /^[-.\d]+$/); + push (@args, '-min', param('min_y')) if (param('min_y') && param('min_y') =~ /^[-.\d]+$/); + + my $ret = + displaygraph($dbh, $table, +# '-xcol', "date_format(updated,'%m-%d-%y %h:%i')", + '-xcol', "unix_timestamp(updated)", + '-pngparms', [ + 'x_labels_vertical', '1', + 'x_tick_number', 6, + 'x_number_format', \&date_format, + 'y_label', 'Count/Min', + 'title', $table, +# 'y_min_value', 0, + ], + '-clauses', "$clause order by updated", + @args, + '-columns', \@columns, + '-indexes', ['oidindex']); + print STDERR "$ret rows graphed\n"; + return OK(); +} + +#=========================================================================== +# Start HTML. +#=========================================================================== +$r->content_type("text/html"); +$r->send_http_header(); +print "<body bgcolor=\"#ffffff\">\n"; +print "<h1>UCD-SNMP Management Console</h1>\n"; +print "<hr>\n"; + +#=========================================================================== +# Display mib related data information +#=========================================================================== +if (param('displayinfo')) { + makemibtable(param('displayinfo')); + return Exit($dbh, ""); +} + +#=========================================================================== +# Display a generic sql table of any kind (debugging). +#=========================================================================== +# if (my $disptable = param('displaytable')) { +# if (param('editable') == 1) { +# print "<form submit=dont>\n"; +# displaytable($disptable, -editable, 1); +# print "</form>\n"; +# } else { +# displaytable($disptable); +# } +# return Exit($dbh, ""); +# } + +#=========================================================================== +# Get host and group from CGI query. +#=========================================================================== +my $host = param('host'); +my $group = param('group'); + +#=========================================================================== +# Editable user information +#=========================================================================== + +if (param('setuponcall')) { + print "<title>oncall schedule for user: $remuser</title>\n"; + print "<h2>oncall schedule for user: $remuser</h2>\n"; + print "<p>Please select your oncall schedule and mailing addresses for your groups below:"; + if (!isexpert($remuser)) { + print "<ul>\n"; + print "<li>Values for the days/hours fields can be comma seperated lists of hours/days/ranges. EG: hours: 7-18,0-4.\n"; + print "</ul>\n"; + } + print "<form method=post><input type=hidden name=setuponcall value=1>\n"; + displaytable($dbh, 'oncall', + '-clauses',"where user = '$remuser' order by groupname", + '-select','id, user, groupname, email, pager, days, hours', + '-selectorder', 1, + '-notitle', 1, + '-editable', 1, + '-indexes', ['id','user','groupname'], + '-CGI', $CGI::Q + ); + print "<input type=submit value=\"submit changes\">\n"; + print "</form>\n"; + return Exit($dbh, $group); +} + +#=========================================================================== +# show the list of groups a user belongs to. +#=========================================================================== +if (!defined($group)) { + my @groups = getgroupsforuser($dbh, $remuser); + print "<title>Net-SNMP Group List</title>\n"; + print "<h2>Host groupings you may access:</h2>\n"; + if (!isexpert($remuser)) { + print "<ul>\n"; + print "<li>Click on a group to operate or view the hosts in that group.\n"; + print "<li>Click on a red status light below to list the problems found.\n"; + print "</ul>\n"; + } + + if ($#groups > 0) { + displaytable($dbh, 'usergroups', + '-clauses', "where (user = '$remuser')", + '-select', 'distinct groupname', + '-notitle', 1, + '-printonly', ['groupname'], + '-datalink', sub { my $q = self_url(); + my $key = shift; + my $h = shift; + return if ($key ne "groupname"); + return addtoken($q,"group=$h"); + }, + '-beginhook', + sub { + my $q = self_url(); + my($dbh, $junk, $data) = @_; + if (!defined($data)) { + print "<th>Status</th>"; + return; + } + my ($cur, $row); + $cur = getcursor($dbh, "select host from hostgroups where groupname = '$data->{groupname}'"); + while ( $row = $cur->fetchrow_hashref ) { + if (checkhost($dbh, $data->{'groupname'}, + $row->{'host'})) { + print "<td><a href=\"" . addtoken($q,"group=$data->{groupname}&summarizegroup=1") . "\"><img border=0 src=$NetSNMP::manager::redimage></a></td>\n"; + return; + } + } + print "<td><img src=$NetSNMP::manager::greenimage></td>\n"; + } + ); + $dbh->disconnect(); + return Exit($dbh, $group); + } else { + if ($#groups == -1) { + print "You are not configured to use the Net-SNMP-manager, please contact your system administrator."; + return Exit($dbh, $group); + } + $group = $groups[0]; + } +} + +#=========================================================================== +# reject un-authorized people accessing a certain group +#=========================================================================== +if (!isuser($dbh, $remuser, $group)) { + print "Unauthorized access to that group ($group)\n"; + return Exit($dbh, $group); +} + +#=========================================================================== +# add a new host to a group +#=========================================================================== +if (defined(my $newhost = param('newhost'))) { + if (isadmin($dbh, $remuser, $group)) { + if ($dbh->do("select * from hostgroups where host = '$newhost' and groupname = '$group'") eq "0E0") { + $dbh->do("insert into hostgroups(host,groupname) values('$newhost','$group')") ; + } else { + print "<b>ERROR: host $newhost already in $group</b>\n"; + } + CGI::delete('newhost'); + } +} + +#=========================================================================== +# display setup configuration for a group +#=========================================================================== +if (defined(param('setupgroup'))) { + if (isadmin($dbh, $remuser, $group)) { + setupgroup($dbh, $group); + } else { + print "<h2>You're not able to perform setup operations for group $group\n"; + } + return Exit($dbh, $group); +} + +#=========================================================================== +# save configuration information submitted about a group +#=========================================================================== +if (defined(param('setupgroupsubmit')) && + isadmin($dbh, $remuser, $group)) { + setupgroupsubmit($dbh, $group); + delete_all(); + param(-name => 'group', -value => $group); + print "<a href=\"" . self_url() . "\">Entries submitted</a>"; + return Exit($dbh, $group); +} + +#=========================================================================== +# user preferences +#=========================================================================== +if (defined(param('userprefs'))) { + setupuserpreferences($dbh, $remuser, $group); + return Exit($dbh, $group); +} + +#=========================================================================== +# save submitted user preferences +#=========================================================================== +if (defined(param('setupuserprefssubmit')) && + isadmin($dbh, $remuser, $group)) { + setupusersubmit($dbh, $remuser, $group); + delete_all(); + param(-name => 'group', -value => $group); + print "<a href=\"" . self_url() . "\">Entries submitted</a>"; + return Exit($dbh, $group); +} + +#=========================================================================== +# summarize problems in a group +#=========================================================================== +if (defined(param('summarizegroup'))) { + print "<title>group problem summary: $group</title>\n"; + print "<h2>The following is a list of problems in the group \"$group\":</h2>\n"; + summarizeerrors($dbh, "where groupname = '$group'"); + return Exit($dbh, $group); +} + +#=========================================================================== +# summarize problems on a host +#=========================================================================== +if (defined($host) && defined(param('summarizehost'))) { + print "<title>host summary: $host</title>\n"; + print "<h2>The following is a list of problems for the host \"$host\":</h2>\n"; + summarizeerrors($dbh, "where groupname = '$group' and host = '$host'"); + return Exit($dbh, $group); +} + +#=========================================================================== +# display a list of hosts in a group +#=========================================================================== +if (!defined($host)) { + print "<title>Net-SNMP Host $host</title>\n"; + print "<h2>Hosts in the group \"$group\":</h2>\n"; + if (!isexpert($remuser)) { + print "<ul>\n"; + if (isadmin($dbh, $remuser, $group)) { + my $q = self_url(); + $q =~ s/\?.*//; + print "<li>Make sure you <a href=\"" . addtoken($q,"group=$group&setupgroup=1") . "\">set up the host</a> for the SNMP tables you want to monitor.\n"; + } + print "<li>Click on a hostname to operate on or view the information tables associated with that group.\n"; + print "<li>Click on a red status light below to list the problems found in with a particular host.\n"; + print "</ul>\n"; + } + displaytable($dbh, 'hostgroups', + '-notitle',0, + '-clauses', "where (groupname = '$group')", + '-select', 'distinct host, sysObjectId, sysDescr, sysUpTime, versionTag', + '-datalink', sub { my $q = self_url(); + my $key = shift; + my $h = shift; + return if ($key ne "host"); + return addtoken($q,"host=$h"); + }, + '-beginhook', + sub { + my $q = self_url(); + my($dbh, $junk, $data) = @_; + if (!defined($data)) { + print "<th>Status</th>"; + return; + } + if (checkhost($dbh, $group, $data->{'host'})) { + print "<td><a href=\"" . addtoken($q,"group=$group&summarizehost=1&host=$data->{host}") . "\"><img border=0 src=$NetSNMP::manager::redimage></a></td>\n"; + } else { + print "<td><img src=$NetSNMP::manager::greenimage></td>\n"; + } + } + ); + if (isadmin($dbh, $remuser, $group)) { + addhostentryform($group); + my $q = self_url(); + $q =~ s/\?.*//; + print "<a href=\"" . addtoken($q,"group=$group&setupgroup=1") . "\">setup group $group</a>\n"; + } + return Exit($dbh, $group); +} + +#=========================================================================== +# setup the host's history records +#=========================================================================== +if (param('setuphost')) { + print "<title>Net-SNMP history setup for host: $host</title>\n"; + print "<h2>Net-SNMP history setup for the host: \"$host\"</h2>\n"; + print "<p>Enter the number of days to keep the data for a given table for the host \"$host\":\n"; + if (!isexpert($remuser)) { + print "<ul>\n"; + print "<li>Numbers must be greater than or equal to 1 to enable history logging.\n"; + print "</ul>\n"; + } + print "<form method=post><input type=hidden name=setuphost value=1><input type=hidden name=host value=\"$host\"><input type=hidden name=group value=\"$group\">\n"; + displaytable($dbh, 'hosttables', + '-clauses',"where host = '$host' and groupname = '$group'", + '-select','groupname, host, tablename, keephistory', + '-selectorder', 1, + '-notitle', 1, + '-editable', 1, + '-indexes', ['groupname','host','tablename'], + '-CGI', $CGI::Q + ); + print "<input type=submit value=\"submit changes\">\n"; + print "</form>\n"; + return Exit($dbh, $group); +} + +#=========================================================================== +# display a huge table of history about something +#=========================================================================== +if (param('displayhistory')) { + if (!isuser($dbh, $remuser, $group)) { + print "Unauthorized access to that group ($group)\n"; + return Exit($dbh, $group); + } + displaytable($dbh, param('table'), + '-clauses', "where (host = '$host')", + '-dolink', \&linktodisplayinfo, + '-dontdisplaycol', "select * from userprefs where user = '$remuser' and groupname = '$group' and tablename = ? and columnname = ? and displayit = 'N'" + ); + return Exit($dbh, $group); +} + +#=========================================================================== +# display inforamation about a host +# optionally add new collection tables +#=========================================================================== +showhost($dbh, $host, $group, $remuser); +if (isadmin($dbh, $remuser, $group)) { + if (param('newtables')) { + my $x = param('newtables'); + $x =~ s/,/ /g; + if (/[^\w\s]/) { + print "<br>Illegal table names in addition list: $x<br>\n" + } else { + my @x = split(/\s+/,$x); + foreach my $i (@x) { + $dbh->do("insert into hosttables(host, groupname, tablename, keephistory) values('$host','$group','$i','0')"); + } + print "<br>adding: ",join(", ",@x),"<br>\n"; + } + } else { + print "<br>Add new MIB Tables or Groups that you want to collect for this host: <form><input type=hidden name=host value=\"$host\"><input type=hidden name=group value=\"$group\"><input name=\"newtables\" type=text><br><input type=submit value=\"add tables\"></form>\n"; + } + my $q = self_url(); + $q =~ s/\?.*//; + print "<a href=\"" . addtoken($q, "setuphost=1&host=$host&group=$group") . "\">setup host $host</a>\n"; +} +return Exit($dbh, $group); + +#=========================================================================== +# END of handler +#=========================================================================== + +} + +# add a token to a url string. Use either a ? or an & depending on +# existence of ?. +sub addtoken { + my $url = shift; + my $token = shift; + return "$url&$token" if ($url =~ /\?/); + return "$url?$token"; +} + +# +# summarizeerrors(DB-HANDLE, CLAUSE): +# summarize the list of errors in a given CLAUSE +# +sub summarizeerrors { + my $dbh = shift; + my $clause = shift; + $clause = "where" if ($clause eq ""); + my $clause2 = $clause; + $clause2 =~ s/ host / hosterrors.host /; + + # Major errors + displaytable($dbh, 'hosterrors, hostgroups', # , hostgroups + '-select', "hosterrors.host as host, errormsg", + '-notitle', 1, + '-title', "Fatal Errors", + '-clauses', "$clause2 and hosterrors.host = hostgroups.host", + '-beginhook', sub { + if ($#_ < 2) { + #doing header; + print "<td></td>"; + } else { + print "<td><img src=\"$NetSNMP::manager::redimage\"></td>\n"; + }}); + + my $tabletop = "<br><table $NetSNMP::manager::tableparms><tr $NetSNMP::manager::headerparms><th><b>Host</b></th><th><b>Table</b></th><th><b>Description</b></th></tr>\n"; + my $donetop = 0; + my $cursor = + getcursor($dbh, "SELECT * FROM hosttables $clause"); + + while (my $row = $cursor->fetchrow_hashref ) { + + my $exprs = getcursor($dbh, "SELECT * FROM errorexpressions where (tablename = '$row->{tablename}')"); + + while (my $expr = $exprs->fetchrow_hashref ) { + my $errors = getcursor($dbh, "select * from $row->{tablename} where $expr->{expression} and host = '$row->{host}'"); + while (my $error = $errors->fetchrow_hashref ) { + print $tabletop if ($donetop++ == 0); + print "<tr><td>$row->{host}</td><td>$row->{tablename}</td><td>$expr->{returnfield}: $error->{$expr->{returnfield}}</td></tr>"; + } + } + } + print "</table>"; +} + +# +# getcursor(CMD): +# genericlly get a cursor for a given sql command, displaying and +# printing errors where necessary. +# +sub getcursor { + my $dbh = shift; + my $cmd = shift; + my $cursor; + ( $cursor = $dbh->prepare( $cmd )) + or print "\nnot ok: $DBI::errstr\n"; + ( $cursor->execute ) + or print( "\tnot ok: $DBI::errstr\n" ); + return $cursor; +} + +# +# mykeysort($a, $b) +# sorts $a and $b against the order in the mib or against the hard +# coded special list. +# +sub mykeysort { + my $a = $displaytable::a; + my $b = $displaytable::b; + my $mb = $SNMP::MIB{SNMP::translateObj($b)}; + my $ma = $SNMP::MIB{SNMP::translateObj($a)}; + + return $NetSNMP::manager::myorder{$a} <=> $NetSNMP::manager::myorder{$b} if ((defined($NetSNMP::manager::myorder{$a}) || !defined($ma->{'subID'})) && (defined($NetSNMP::manager::myorder{$b}) || !defined($mb->{'subID'}))); + return 1 if (defined($NetSNMP::manager::myorder{$b}) || !defined($mb->{'subID'})); + return -1 if (defined($NetSNMP::manager::myorder{$a}) || !defined($ma->{'subID'})); + + $ma->{'subID'} <=> $mb->{'subID'}; +} + +# +# checkhost(GROUP, HOST): +# if anything in a host is an error, as defined by the +# errorexpressions table, return 1, else 0 +# +sub checkhost { + my $dbh = shift; + my $group = shift; + my $host = shift; + my ($tblh); + + return 2 if ($dbh->do("select * from hosterrors where host = '$host'") ne "0E0"); + + # get a list of tables we want to display + $tblh = getcursor($dbh, "SELECT * FROM hosttables where (host = '$host' and groupname = '$group')"); + + # table data + my($exprs, $tablelist); + while ( $tablelist = $tblh->fetchrow_hashref ) { + $exprs = getcursor($dbh, "SELECT * FROM errorexpressions where (tablename = '$tablelist->{tablename}')"); + while(my $expr = $exprs->fetchrow_hashref) { + if ($dbh->do("select * from $tablelist->{tablename} where $expr->{expression} and host = '$host'") ne "0E0") { + return 1; + } + } + } + return 0; +} + +# +# showhost(HOST): +# +# display all the tables monitored for a given host (in a group). +# +sub showhost { + my $dbh = shift; + my $host = shift; + my $group = shift; + my $remuser = shift; + my $q = self_url(); + $q =~ s/\?.*//; + # host header + print "<title>Net-SNMP manager report for host: $host</title>\n"; + print "<h2>Monitored information for the host $host</h2>\n"; + if (!isexpert($remuser)) { + print "<ul>\n"; + print "<li>Click on a column name for information about the data in that column.\n"; + print "<li>Click on a column name or table name for information about the data in the table.\n"; + print "<li>If you are <a href=\"" . addtoken($q, "setuphost=1&host=$host&group=$group") . "\">collecting past history</a> for a data set, links will appear below the table that allow you to view and/or graph the historic data.\n"; + print "</ul>\n"; + } + + # does the host have a serious error? + + my $errlist = getcursor($dbh, "SELECT * FROM hosterrors where (host = '$host')"); + if ( $dbh->do("SELECT * FROM hosterrors where (host = '$host')") ne "0E0") { + displaytable($dbh, 'hosterrors', + '-clauses', "where (host = '$host')", + '-dontdisplaycol', "select * from userprefs where user = '$remuser' and groupname = '$group' and tablename = ? and columnname = ? and displayit = 'N'", + '-beginhook', sub { + if ($#_ < 2) { + #doing header; + print "<td></td>"; + } else { + print "<td><img src=\"$NetSNMP::manager::redimage\"></td>\n"; + }}); + } + + # get a list of tables we want to display + my $tblh = getcursor($dbh, "SELECT * FROM hosttables where (host = '$host' and groupname = '$group')"); + + # table data + my($tablelist); + while ( $tablelist = $tblh->fetchrow_hashref ) { + + displaytable($dbh, $tablelist->{'tablename'}, + '-clauses', "where (host = '$host') order by oidindex", + '-dontdisplaycol', "select * from userprefs where user = '$remuser' and groupname = '$group' and tablename = ? and columnname = ? and displayit = 'N'", + '-sort', \&mykeysort, + '-dolink', \&linktodisplayinfo, + '-beginhook', \&printredgreen); + if ($tablelist->{'keephistory'}) { + my $q = self_url(); + $q =~ s/\?.*//; + print "history: "; + print "<a href=\"" . addtoken($q, "displayhistory=1&host=$host&group=$group&table=$tablelist->{'tablename'}hist") . "\">[table]</a>\n"; + print "<a href=\"" . addtoken($q, "displaygraph=1&host=$host&group=$group&table=$tablelist->{'tablename'}hist") . "\">[graph]</a>\n"; + print "<br>\n"; + } + } +} + +# +# linktodisplayinfo(STRING): +# +# returns a url to the appropriate displayinfo link if STRING is a +# mib node. +# +sub linktodisplayinfo { + return if (exists($NetSNMP::manager::myorder{shift})); + return self_url() . "&displayinfo=" . shift; +} + +# printredgreen(TABLENAME, DATA): +# +# display a red or a green dot in a table dependent on the table's +# values and associated expression +# +# DATA is NULL when in a header row (displaying header names). +# +sub printredgreen { + my $dbh = shift; + my $tablename = shift; + my $data = shift; + my ($exprs, $expr, $img); + + if (!defined($data)) { + #doing header; + print "<td></td>"; + return; + } + + my $cmd = "SELECT * FROM errorexpressions where (tablename = '$tablename')"; + print " $cmd\n" if ($NetSNMP::manager::verbose); + ( $exprs = $dbh->prepare( $cmd ) ) + or die "\nnot ok: $DBI::errstr\n"; + ( $exprs->execute ) + or print( "\tnot ok: $DBI::errstr\n" ); + + $img = $NetSNMP::manager::greenimage; + while($expr = $exprs->fetchrow_hashref) { + if ($dbh->do("select oidindex from $tablename where host = '$data->{host}' and oidindex = '$data->{oidindex}' and $expr->{expression}") ne "0E0") { + $img = $NetSNMP::manager::redimage; + } + } + print "<td><img src=$img></td>"; +} + +# +# display information about a given mib node as a table. +# +sub makemibtable { + my $dispinfo = shift; + # display information about a data type in a table + my $mib = $SNMP::MIB{SNMP::translateObj($dispinfo)}; + print "<table $NetSNMP::manager::tableparms><tr><td>\n"; + foreach my $i (qw(label type access status units hint moduleID description enums)) { +# foreach my $i (keys(%$mib)) { + next if (!defined($$mib{$i}) || $$mib{$i} eq ""); + next if (ref($$mib{$i}) eq "HASH" && $#{keys(%{$$mib{$i}})} == -1); + print "<tr><td>$i</td><td>"; + if (ref($$mib{$i}) eq "HASH") { + print "<table $NetSNMP::manager::tableparms><tr><td>\n"; + foreach my $j (sort { $$mib{$i}{$a} <=> $$mib{$i}{$b} } keys(%{$$mib{$i}})) { + print "<tr><td>$$mib{$i}{$j}</td><td>$j</td></tr>"; + } + print "</table>\n"; + } else { + print "$$mib{$i}"; + } + print "</td></tr>\n"; + } + print "</table>\n"; +} + +# given a user, get all the groups he belongs to. +sub getgroupsforuser { + my (@ret, $cursor, $row); + my ($dbh, $remuser) = @_; + ( $cursor = $dbh->prepare( "SELECT * FROM usergroups where (user = '$remuser')")) + or die "\nnot ok: $DBI::errstr\n"; + ( $cursor->execute ) + or print( "\tnot ok: $DBI::errstr\n" ); + + while ( $row = $cursor->fetchrow_hashref ) { + push(@ret, $row->{'groupname'}); + } + @ret; +} + +# given a host, get all the groups it belongs to. +sub gethostsforgroup { + my (@ret, $cursor, $row); + my ($dbh, $group) = @_; + ( $cursor = $dbh->prepare( "SELECT * FROM hostgroups where (groupname = '$group')")) + or die "\nnot ok: $DBI::errstr\n"; + ( $cursor->execute ) + or print( "\tnot ok: $DBI::errstr\n" ); + + while ( $row = $cursor->fetchrow_hashref ) { + push(@ret, $row->{'host'}); + } + @ret; +} + +# display the host add entry box +sub addhostentryform { + my $group = shift; + print "<form method=\"get\" action=\"" . self_url() . "\">\n"; + print "Add a new host to the group \"$group\": <input type=\"text\" name=\"newhost\"><br>"; + print "<input type=\"hidden\" name=\"group\" value=\"$group\">"; + print "<input type=submit value=\"Add Hosts\">\n"; + print "</form>"; +} + +#is an expert user? +sub isexpert { + return 0; +} + +#is remuser a admin? +sub isadmin { + my ($dbh, $remuser, $group) = @_; + return 0 if (!defined($remuser) || !defined($group)); + return 1 if ($dbh->do("select * from usergroups where user = '$remuser' and groupname = '$group' and isadmin = 'Y'") ne "0E0"); + return 0; +} + +#is user a member of this group? +sub isuser { + my ($dbh, $remuser, $group) = @_; + return 0 if (!defined($remuser) || !defined($group)); + return 1 if ($dbh->do("select * from usergroups where user = '$remuser' and groupname = '$group'") ne "0E0"); + return 0; +} + +# displayconfigarray(HOSTS, NAMES, CONFIG): +# +# displays an array of generic check buttons to turn on/off certain +# variables. +sub displayconfigarray { + my $dbh = shift; + my $hosts = shift; + my $names = shift; + my %config = @_; + + my $cmd; + if ($config{'-check'}) { + ( $cmd = $dbh->prepare( $config{'-check'} ) ) + or die "\nnot ok: $DBI::errstr\n"; + } + + print "<table $NetSNMP::manager::tableparms>\n"; + print "<tr><td></td>"; + my ($i, $j); + foreach $j (@$names) { + my $nj = $j; + $nj = $j->[0] if ($config{'-arrayrefs'} || $config{'-arrayref2'}); + print "<td>$nj</td>"; + } + foreach my $i (@$hosts) { + my $ni = $i; + $ni = $i->[0] if ($config{'-arrayrefs'} || $config{'-arrayref1'}); + print "<tr><td>$ni</td>"; + foreach $j (@$names) { + my $nj = $j; + $nj = $j->[0] if ($config{'-arrayrefs'} || $config{'-arrayref2'}); + my $checked = "checked" if (defined($cmd) && $cmd->execute($ni,$nj) ne "0E0"); + print "<td><input type=checkbox $checked value=y name=" . $config{prefix} . $ni . $nj . "></td>\n"; + } + print "</tr>\n"; + } + print "</tr>"; + print "</table>"; +} + +sub adddefaulttables { + my ($dbh, $names) = @_; + my $row; + # add in known expression tables. + my $handle = getcursor($dbh, "SELECT * FROM errorexpressions"); + + expr: + while($row = $handle->fetchrow_hashref) { + foreach $i (@$names) { + if ($i->[0] eq $row->{tablename}) { + next expr; + } + } + push @$names, [$row->{tablename}]; + } +} + +# +# display the setup information page for a given group. +# +sub setupgroup { + my $dbh = shift; + my $group = shift; + + my ($hosts, $names) = gethostandgroups($dbh, $group); + adddefaulttables($dbh, $names); + + print "<form method=\"post\" action=\"" . self_url() . "\">\n"; + print "<input type=hidden text=\"setupgroupsubmit\" value=\"y\">"; + displayconfigarray($dbh, $hosts, $names, + -arrayrefs, 1, + -check, "select * from hosttables where (host = ? and tablename = ? and groupname = '$group')"); + print "<input type=hidden name=group value=\"$group\">\n"; + print "<input type=submit value=submit name=\"setupgroupsubmit\">\n"; + print "</form>"; +} + +# a wrapper around fetching arrays of everything in a table. +sub getarrays { + my $dbh = shift; + my $table = shift; + my %config = @_; + my $selectwhat = $config{'-select'} || "*"; + my $handle; + + $handle = getcursor($dbh, "SELECT $selectwhat FROM $table $config{-clauses}"); + return $handle->fetchall_arrayref; +} + +# +# get a list of all tablenames and hostnames for a given group. +# +sub gethostandgroups { + my $dbh = shift; + my $group = shift; + my ($tbnms); + + my $names = getarrays($dbh, 'hosttables', + "-select", 'distinct tablename', + "-clauses", "where groupname = '$group'"); + + my $hosts = getarrays($dbh, 'hostgroups', + "-select", 'distinct host', + "-clauses", "where groupname = '$group'"); + + return ($hosts, $names); +} + +sub setupgroupsubmit { + my $dbh = shift; + my $group = shift; + + my ($hosts, $names) = gethostandgroups($dbh, $group); + adddefaulttables($dbh, $names); + + foreach my $i (@$hosts) { + $dbh->do("delete from hosttables where host = '${$i}[0]' and groupname = '$group'"); + } + my $rep = $dbh->prepare("insert into hosttables(host,tablename,groupname) values(?,?,'$group')"); + + foreach my $i (@$hosts) { + foreach my $j (@$names) { + if (param("${$i}[0]" . "${$j}[0]")) { + print "test: ","${$i}[0] : ${$j}[0]<br>\n"; + $rep->execute("${$i}[0]", "${$j}[0]") || print "$! $DBI::errstr<br>\n"; + } + } + } + +} + +# +# save user pref data submitted by the user +# +sub setupusersubmit { + my ($dbh, $remuser, $group) = @_; + my $tables = getarrays($dbh, 'hosttables', + "-select", 'distinct tablename', + "-clauses", "where groupname = '$group'"); + + $dbh->do("delete from userprefs where user = '$remuser' and groupname = '$group'"); + my $rep = $dbh->prepare("insert into userprefs(user, groupname, tablename, columnname, displayit) values('$remuser', '$group', ?, ?, 'N')"); + + my ($i, $j); + foreach my $i (@$tables) { + my $sth = $dbh->prepare("select * from ${$i}[0] where 1 = 0"); + $sth->execute(); + + foreach $j (@{$sth->{NAME}}) { + if (param("${$i}[0]" . "$j")) { + $rep->execute("${$i}[0]", "$j"); + } + } + } +} + +sub Exit { + my ($dbh, $group) = @_; + my $tq = self_url(); + $tq =~ s/\?.*//; + print "<hr>\n"; + print "<a href=\"$tq\">[TOP]</a>\n"; + print "<a href=\"$tq?userprefs=1&group=$group\">[display options]</a>\n"; + print "<a href=\"$tq?setuponcall=1\">[setup oncall schedule]</a>\n"; + if (defined($group)) { + print "<a href=\"$tq?group=$group\">[group: $group]</a>\n"; + print "<a href=\"$tq?group=$group&summarizegroup=1\">[summarize errors]</a>\n"; + } + $dbh->disconnect() if (defined($dbh)); + return OK(); +# exit shift; +} + +# +# setup user preferences by displaying a configuration array of +# checkbuttons for each table. +# +sub setupuserpreferences { + my ($dbh, $remuser, $group) = @_; + my $tables = getarrays($dbh, 'hosttables', + "-select", 'distinct tablename', + "-clauses", "where groupname = '$group'"); + + print "<h3>Select the columns from the tables that you want to <b>hide</b> below and click on submit:</h3>\n"; + print "<form method=\"post\" action=\"" . self_url() . "\">\n"; + + my ($i, $j); + foreach my $i (@$tables) { + my $sth = $dbh->prepare("select * from ${$i}[0] where 1 = 0"); + $sth->execute(); + displayconfigarray($dbh, [${$i}[0]], $sth->{NAME}, + -check, "select * from userprefs where (tablename = ? and columnname = ? and user = '$remuser' and groupname = '$group' and displayit = 'N')"); + print "<br>\n"; + } + print "<input type=hidden name=group value=\"$group\">\n"; + print "<input type=submit value=submit name=\"setupuserprefssubmit\">\n"; + print "</form>"; +} |