The Tcpdump Group git mirrors - tcpdump/blob - tests/TESTonce

   1 #!/usr/bin/env perl
   2
   3 $TCPDUMP = "../tcpdump" if (!($TCPDUMP = $ENV{TCPDUMP_BIN}));
   4
   5 use File::Basename;
   6 use POSIX qw( WEXITSTATUS WIFEXITED);
   7
   8 system("mkdir -p NEW DIFF");
   9
  10 if(@ARGV != 4) {
  11   print "Usage: TESTonce name input output options\n";
  12   exit 20;
  13 }
  14
  15 $name=$ARGV[0];
  16 $input=$ARGV[1];
  17 $output=$ARGV[2];
  18 $options=$ARGV[3];
  19
  20 my $r;
  21
  22 $outputbase = basename($output);
  23 my $coredump = false;
  24 my $status = 0;
  25 my $linecount = 0;
  26 my $rawstderrlog = "NEW/${outputbase}.raw.stderr";
  27 my $stderrlog = "NEW/${outputbase}.stderr";
  28 my $diffstat = 0;
  29 my $errdiffstat = 0;
  30
  31 if ($^O eq 'MSWin32') {
  32     $r = system "..\\windump -# -n -r $input $options 2>NUL | sed 's/\\r//' | tee NEW/$outputbase | diff $output - >DIFF/$outputbase.diff";
  33     # need to do same as below for Cygwin.
  34 }
  35 else {
  36     # we used to do this as a nice pipeline, but the problem is that $r fails to
  37     # to be set properly if the tcpdump core dumps.
  38     $r = system "$TCPDUMP 2>${rawstderrlog} -# -n -r $input $options >NEW/${outputbase}";
  39     if($r == -1) {
  40         # failed to start due to error.
  41         $status = $!;
  42     }
  43     if($r != 0) {
  44         $coredump = false;
  45         $status = 0;
  46         # this means tcpdump failed.
  47         open(OUTPUT, ">>"."NEW/$outputbase") || die "fail to open $outputbase\n";
  48         if( $r & 128 ) {
  49             $coredump = $r & 127;
  50         }
  51         if( WIFEXITED($r)) {
  52             $status = WEXITSTATUS($r);
  53         }
  54
  55         if($coredump || $status) {
  56             printf OUTPUT "EXIT CODE %08x: dump:%d code: %d\n", $r, $coredump, $status;
  57         } else {
  58             printf OUTPUT "EXIT CODE %08x\n", $r;
  59         }
  60         close(OUTPUT);
  61         $r = 0;
  62     }
  63     if($r == 0) {
  64         $r = system "cat NEW/$outputbase | diff $output - >DIFF/$outputbase.diff";
  65         $diffstat = WEXITSTATUS($r);
  66     }
  67
  68     # process the file, sanitize "reading from" line, and count lines
  69     $linecount = 0;
  70     open(ERRORRAW, "<" . $rawstderrlog);
  71     open(ERROROUT, ">" . $stderrlog);
  72     while(<ERRORRAW>) {
  73         next if /^$/;  # blank lines are boring
  74         if(/^(reading from file )(.*)(,.*)$/) {
  75             my $filename = basename($2);
  76             print ERROROUT "${1}${filename}${3}\n";
  77             next;
  78         }
  79         print ERROROUT;
  80         $linecount++;
  81     }
  82     close(ERROROUT);
  83     close(ERRORRAW);
  84
  85     if ( -f "$output.stderr" ) {
  86         $nr = system "cat $stderrlog | diff $output.stderr - >DIFF/$outputbase.stderr.diff";
  87         if($r == 0) {
  88             $r = $nr;
  89         }
  90         $errdiffstat = WEXITSTATUS($nr);
  91     }
  92
  93     if($r == 0) {
  94         if($linecount == 0 && $status == 0) {
  95             unlink($stderrlog);
  96         } else {
  97             $errdiffstat = 1;
  98         }
  99     }
 100
 101     #print sprintf("END: %08x\n", $r);
 102 }
 103
 104 if($r == 0) {
 105     my $stderrlog="";
 106     if($linecount > 0) {
 107         $stderrlog=sprintf("-- %d lines extra in stderr", $linecount);
 108     }
 109     printf "    %-35s: passed%s\n", $name, $stderrlog;
 110     unlink "DIFF/$outputbase.diff";
 111     exit 0;
 112 }
 113 # must have failed!
 114 printf "    %-35s: TEST FAILED(exit core=%d/diffstat=%d,%d/r=%d)", $name, $coredump, $diffstat, $errdiffstat, $r;
 115 open FOUT, '>>failure-outputs.txt';
 116 printf FOUT "\nFailed test: $name\n\n";
 117 close FOUT;
 118 if(-f "DIFF/$outputbase.diff") {
 119     system "cat DIFF/$outputbase.diff >> failure-outputs.txt";
 120 }
 121
 122 if($r == -1) {
 123   print " (failed to execute: $!)\n";
 124   exit 30;
 125 }
 126
 127 # this is not working right, $r == 0x8b00 when there is a core dump.
 128 # clearly, we need some platform specific perl magic to take this apart, so look for "core"
 129 # too.
 130 # In particular, on Solaris 10 SPARC an alignment problem results in SIGILL,
 131 # a core dump and $r set to 0x00008a00 ($? == 138 in the shell).
 132 if($r & 127 || -f "core") {
 133     my $with = ($r & 128) ? 'with' : 'without';
 134     if(-f "core") {
 135         $with = "with";
 136     }
 137     printf " (terminated with signal %u, %s coredump)\n", ($r & 127), $with;
 138     exit ($r & 128) ? 10 : 20;
 139 }
 140 print "\n";
 141 exit $r >> 8;