| 1 | #!/usr/bin/perl |
| 2 | # |
| 3 | # Plugin to monitor the number of mails received and delivered by exim. |
| 4 | # |
| 5 | # Usage: copy or link into /etc/munin/node.d/ |
| 6 | # |
| 7 | # Parameters: |
| 8 | # |
| 9 | # config (required) |
| 10 | # autoconf (optional - used by munin-config) |
| 11 | # |
| 12 | # Config variables: |
| 13 | # |
| 14 | # logdir - Override what exim says |
| 15 | # exim - Where's exim? |
| 16 | # |
| 17 | # $Log$ |
| 18 | # Revision 1.7.2.2 2005/03/12 23:07:17 jimmyo |
| 19 | # Avoid negative spike in generic/exim_mailstats. |
| 20 | # |
| 21 | # Revision 1.7.2.1 2005/03/09 19:24:12 jimmyo |
| 22 | # Thanks to Stephen Gran, generic/exim_mailstats now graphs rejects (Deb#295799). |
| 23 | # |
| 24 | # Revision 1.7 2004/12/10 18:51:43 jimmyo |
| 25 | # linux/apt* has been forced to LANG=C, to get predictable output. |
| 26 | # |
| 27 | # Revision 1.6 2004/12/10 10:47:47 jimmyo |
| 28 | # Change name from ${scale} to ${graph_period}, to be more consistent. |
| 29 | # |
| 30 | # Revision 1.5 2004/12/09 22:12:54 jimmyo |
| 31 | # Added "graph_period" option, to make "graph_sums" usable. |
| 32 | # |
| 33 | # Revision 1.4 2004/11/21 00:16:56 jimmyo |
| 34 | # Changed a lot of plugins so they use DERIVE instead of COUNTER. |
| 35 | # |
| 36 | # Revision 1.3 2004/11/10 15:54:49 jimmyo |
| 37 | # Applied patch from Torstein T. Svendsen to generic/exim_mailstats, to handle logfiles with timestamps in the name (SF#1055214) |
| 38 | # |
| 39 | # Revision 1.2 2004/05/20 13:57:12 jimmyo |
| 40 | # Set categories to some of the plugins. |
| 41 | # |
| 42 | # Revision 1.1 2004/01/02 18:50:00 jimmyo |
| 43 | # Renamed occurrances of lrrd -> munin |
| 44 | # |
| 45 | # Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo |
| 46 | # Import of LRRD CVS tree after renaming to Munin |
| 47 | # |
| 48 | # Revision 1.7 2003/11/15 11:10:28 jimmyo |
| 49 | # Various fixes |
| 50 | # |
| 51 | # Revision 1.6 2003/11/07 17:43:16 jimmyo |
| 52 | # Cleanups and log entries |
| 53 | # |
| 54 | # |
| 55 | # |
| 56 | # Magic markers (optional - used by munin-config and some installation |
| 57 | # scripts): |
| 58 | # |
| 59 | #%# family=auto |
| 60 | #%# capabilities=autoconf |
| 61 | |
| 62 | |
| 63 | sub get_exim_logfile { |
| 64 | my ($spec, $type, $time) = @_; |
| 65 | chomp($spec); |
| 66 | $time = time() unless $time; |
| 67 | my $logfile = $spec; |
| 68 | $logfile =~ s/^log_file_path = //; |
| 69 | $logfile =~ s/\%s/$type/; |
| 70 | |
| 71 | if( $logfile =~ /\%D/ ) { |
| 72 | my @t=localtime($time); |
| 73 | my $ts = sprintf("%04d%02d%02d",$t[5]+1900, $t[4]+1, $t[3]); |
| 74 | $logfile =~ s/\%D/$ts/g; |
| 75 | } |
| 76 | my @lfiles = split(/\s?:\s?/, $logfile); |
| 77 | foreach (@lfiles) { |
| 78 | return $_ unless /^syslog/; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | |
| 83 | |
| 84 | $statefile = "/var/lib/munin/plugin-state/plugin-exim_mailstats.state"; |
| 85 | $pos = undef; |
| 86 | $received = 0; |
| 87 | $completed = 0; |
| 88 | $rejected = 0; |
| 89 | $greylisted = 0; |
| 90 | $rbl = 0; |
| 91 | $spam = 0; |
| 92 | $sender = 0; |
| 93 | $user = 0; |
| 94 | $protocol = 0; |
| 95 | $helo = 0; |
| 96 | $virus = 0; |
| 97 | $fakemx = 0; |
| 98 | ($dirname = $0) =~ s/[^\/]+$//; |
| 99 | $EXIM = "/usr/sbin/exim"; |
| 100 | $EXIM = "/usr/sbin/exim4" if (-x "/usr/sbin/exim4"); # a Debianism |
| 101 | $EXIM = $ENV{'exim'} if defined $ENV{'exim'}; |
| 102 | $EXIM = "/usr/exim/bin/exim"; |
| 103 | $LOGDIR = $ENV{'logdir'} || undef; |
| 104 | |
| 105 | if ( $ARGV[0] and $ARGV[0] eq "autoconf" ) |
| 106 | { |
| 107 | my $logfile; |
| 108 | |
| 109 | if(defined($LOGDIR)) { |
| 110 | if(! -d $LOGDIR) { |
| 111 | print "no (logdir does not exist)\n"; |
| 112 | exit(1); |
| 113 | } |
| 114 | $logfile = $LOGDIR . '/mainlog'; |
| 115 | } else { |
| 116 | my $logfilespec = `$EXIM -bP log_file_path 2>/dev/null`; |
| 117 | if (! $?) |
| 118 | { |
| 119 | $logfile = get_exim_logfile( $logfilespec, 'main'); |
| 120 | } |
| 121 | elsif ($? eq "127") |
| 122 | { |
| 123 | print "no (exim not found)\n"; |
| 124 | } |
| 125 | else |
| 126 | { |
| 127 | print "no\n"; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if ($logfile) |
| 132 | { |
| 133 | if (-r "$logfile") |
| 134 | { |
| 135 | print "yes\n"; |
| 136 | exit 0; |
| 137 | } |
| 138 | else |
| 139 | { |
| 140 | print "no (logfile not readable)\n"; |
| 141 | } |
| 142 | } |
| 143 | exit 1; |
| 144 | } |
| 145 | |
| 146 | |
| 147 | my $logfilespec; |
| 148 | |
| 149 | if(defined($LOGDIR)) { |
| 150 | $logfilespec = ''; |
| 151 | $logfile = $LOGDIR . '/' . 'mainlog'; |
| 152 | } else { |
| 153 | $logfilespec = `$EXIM -bP log_file_path`; |
| 154 | $logfile = get_exim_logfile( $logfilespec, 'main'); |
| 155 | } |
| 156 | |
| 157 | exit 1 unless -r $logfile; |
| 158 | |
| 159 | if( $logfilespec =~ /\%D/ ) { |
| 160 | $rotlogfile = get_exim_logfile( $logfilespec, 'main', (time()-(24*60*60))); |
| 161 | } else { |
| 162 | if (-f "$logfile.0") |
| 163 | { |
| 164 | $rotlogfile = $logfile . ".0"; |
| 165 | } |
| 166 | elsif (-f "$logfile.1") |
| 167 | { |
| 168 | $rotlogfile = $logfile . ".1"; |
| 169 | } |
| 170 | elsif (-f "$logfile.01") |
| 171 | { |
| 172 | $rotlogfile = $logfile . ".01"; |
| 173 | } |
| 174 | else |
| 175 | { |
| 176 | $rotlogfile = $logfile . ".0"; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | if ( $ARGV[0] and $ARGV[0] eq "config" ) |
| 181 | { |
| 182 | print "graph_title Exim mail throughput\n"; |
| 183 | print "graph_args --base 1000 -l 0\n"; |
| 184 | print "graph_vlabel mails/\${graph_period}\n"; |
| 185 | print "graph_scale no\n"; |
| 186 | print "graph_category Mail\n"; |
| 187 | print "received.label received\n"; |
| 188 | print "received.type DERIVE\n"; |
| 189 | print "received.min 0\n"; |
| 190 | print "received.draw LINE\n"; |
| 191 | print "completed.label completed\n"; |
| 192 | print "completed.type DERIVE\n"; |
| 193 | print "completed.min 0\n"; |
| 194 | # print "completed.draw AREA\n"; |
| 195 | print "rejected.label rejected (other)\n"; |
| 196 | print "rejected.type DERIVE\n"; |
| 197 | print "rejected.min 0\n"; |
| 198 | # print "rejected.draw STACK\n"; |
| 199 | print "rbl.label rejected (RBL)\n"; |
| 200 | print "rbl.type DERIVE\n"; |
| 201 | print "rbl.min 0\n"; |
| 202 | # print "rbl.draw STACK\n"; |
| 203 | print "spam.label rejected (spam)\n"; |
| 204 | print "spam.type DERIVE\n"; |
| 205 | print "spam.min 0\n"; |
| 206 | # print "spam.draw STACK\n"; |
| 207 | print "greylisted.label greylisted\n"; |
| 208 | print "greylisted.type DERIVE\n"; |
| 209 | print "greylisted.min 0\n"; |
| 210 | # print "greylisted.draw STACK\n"; |
| 211 | print "sender.label rejected (sender verify)\n"; |
| 212 | print "sender.type DERIVE\n"; |
| 213 | print "sender.min 0\n"; |
| 214 | # print "sender.draw STACK\n"; |
| 215 | print "user.label rejected (user unknown)\n"; |
| 216 | print "user.type DERIVE\n"; |
| 217 | print "user.min 0\n"; |
| 218 | # print "user.draw STACK\n"; |
| 219 | print "protocol.label rejected (protocol violation)\n"; |
| 220 | print "protocol.type DERIVE\n"; |
| 221 | print "protocol.min 0\n"; |
| 222 | # print "protocol.draw STACK\n"; |
| 223 | print "helo.label rejected (helo/ehlo)\n"; |
| 224 | print "helo.type DERIVE\n"; |
| 225 | print "helo.min 0\n"; |
| 226 | # print "helo.draw STACK\n"; |
| 227 | print "virus.label rejected (virus)\n"; |
| 228 | print "virus.type DERIVE\n"; |
| 229 | print "virus.min 0\n"; |
| 230 | # print "virus.draw STACK\n"; |
| 231 | print "fakemx.label rejected (fakeMX)\n"; |
| 232 | print "fakemx.type DERIVE\n"; |
| 233 | print "fakemx.min 0\n"; |
| 234 | # print "fakemx.draw STACK\n"; |
| 235 | exit 0; |
| 236 | } |
| 237 | |
| 238 | if (! -f $logfile and ! -f $rotlogfile) |
| 239 | { |
| 240 | print "completed.value U\n"; |
| 241 | print "received.value U\n"; |
| 242 | print "rejected.value U\n"; |
| 243 | print "greylisted.value U\n"; |
| 244 | print "rbl.value U\n"; |
| 245 | print "spam.value U\n"; |
| 246 | print "sender.value U\n"; |
| 247 | print "user.value U\n"; |
| 248 | print "protocol.value U\n"; |
| 249 | print "helo.value U\n"; |
| 250 | print "virus.value U\n"; |
| 251 | print "fakemx.value U\n"; |
| 252 | exit 0; |
| 253 | } |
| 254 | |
| 255 | if (-f "$statefile") |
| 256 | { |
| 257 | open (IN, "$statefile") or exit 4; |
| 258 | my $in = <IN>; |
| 259 | if ($in =~ /^(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+)/) |
| 260 | { |
| 261 | ($pos, $received, $completed, $rejected, $greylisted, $rbl, $spam, $sender, $user, $protocol, $helo, $virus, $fakemx) = ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13); |
| 262 | } |
| 263 | elsif ($in =~ /^(\d+):(\d+):(\d+):(\d+):(\d+):(\d+):(\d+)/) |
| 264 | { |
| 265 | ($pos, $received, $completed, $rejected, $greylisted, $rbl, $spam) = ($1, $2, $3, $4, $5, $6, $7); |
| 266 | } |
| 267 | elsif ($in =~ /^(\d+):(\d+):(\d+):(\d+)/) |
| 268 | { |
| 269 | ($pos, $received, $completed, $rejected) = ($1, $2, $3, $4); |
| 270 | } |
| 271 | |
| 272 | elsif ($in =~ /^(\d+):(\d+):(\d+)/) |
| 273 | { |
| 274 | ($pos, $received, $completed) = ($1, $2, $3); |
| 275 | $rejected = 0; |
| 276 | } |
| 277 | close IN; |
| 278 | } |
| 279 | |
| 280 | $startsize = (stat $logfile)[7]; |
| 281 | |
| 282 | if (!defined $pos) |
| 283 | { |
| 284 | # Initial run. |
| 285 | $pos = $startsize; |
| 286 | } |
| 287 | |
| 288 | if ($startsize < $pos) |
| 289 | { |
| 290 | # Log rotated |
| 291 | parseEximfile ($rotlogfile, $pos, (stat $rotlogfile)[7]); |
| 292 | $pos = 0; |
| 293 | } |
| 294 | |
| 295 | parseEximfile ($logfile, $pos, $startsize); |
| 296 | $pos = $startsize; |
| 297 | |
| 298 | print "received.value $received\n"; |
| 299 | print "completed.value $completed\n"; |
| 300 | print "rejected.value $rejected\n"; |
| 301 | print "rbl.value $rbl\n"; |
| 302 | print "spam.value $spam\n"; |
| 303 | print "greylisted.value $greylisted\n"; |
| 304 | print "sender.value $sender\n"; |
| 305 | print "user.value $user\n"; |
| 306 | print "protocol.value $protocol\n"; |
| 307 | print "helo.value $helo\n"; |
| 308 | print "virus.value $virus\n"; |
| 309 | print "fakemx.value $fakemx\n"; |
| 310 | |
| 311 | if(-l $statefile) { |
| 312 | die("$statefile is a symbolic link, refusing to touch it."); |
| 313 | } |
| 314 | open (OUT, ">$statefile") or exit 4; |
| 315 | print OUT "$pos:$received:$completed:$rejected:$greylisted:$rbl:$spam:$sender:$user:$protocol:$helo:$virus:$fakemx\n"; |
| 316 | close OUT; |
| 317 | |
| 318 | sub parseEximfile |
| 319 | { |
| 320 | my ($fname, $start, $stop) = @_; |
| 321 | open (LOGFILE, $fname) or exit 3; |
| 322 | seek (LOGFILE, $start, 0) or exit 2; |
| 323 | |
| 324 | while (tell (LOGFILE) < $stop) |
| 325 | { |
| 326 | my $line =<LOGFILE>; |
| 327 | chomp ($line); |
| 328 | |
| 329 | if (substr ($line, 37,2 ) eq '<=') |
| 330 | { |
| 331 | $received++; |
| 332 | } |
| 333 | elsif (substr ($line, 37,9) eq 'Completed') |
| 334 | { |
| 335 | $completed++; |
| 336 | } |
| 337 | elsif ($line=~/greylisted\.$/) |
| 338 | { |
| 339 | $greylisted++; |
| 340 | } |
| 341 | elsif ($line=~/in a RBL/) |
| 342 | { |
| 343 | $rbl++; |
| 344 | } |
| 345 | elsif ($line=~/considered spam/) |
| 346 | { |
| 347 | $spam++; |
| 348 | } |
| 349 | elsif ($line=~/sender verify/) |
| 350 | { |
| 351 | $sender++; |
| 352 | } |
| 353 | elsif ($line=~/Unknown user/) |
| 354 | { |
| 355 | $user++; |
| 356 | } |
| 357 | elsif ($line=~/synchronization error/) |
| 358 | { |
| 359 | $protocol++; |
| 360 | } |
| 361 | elsif ($line=~/HELO\/EHLO/) |
| 362 | { |
| 363 | $helo++; |
| 364 | } |
| 365 | elsif ($line=~/contains a virus/) |
| 366 | { |
| 367 | $virus++; |
| 368 | } |
| 369 | elsif ($line=~/fakemx for/) |
| 370 | { |
| 371 | $fakemx++; |
| 372 | } |
| 373 | elsif ($line=~/rejected/) |
| 374 | { |
| 375 | $rejected++; |
| 376 | } |
| 377 | } |
| 378 | close(LOGFILE); |
| 379 | } |
| 380 | |
| 381 | # vim:syntax=perl |