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 $status = 0;
  25
  26 if ($^O eq 'MSWin32') {
  27     $r = system "..\\windump -# -n -r $input $options 2>NUL | sed 's/\\r//' | tee NEW/$outputbase | diff $output - >DIFF/$outputbase.diff";
  28     # need to do same as below for Cygwin.
  29 }
  30 else {
  31     # we used to do this as a nice pipeline, but the problem is that $r fails to
  32     # to be set properly if the tcpdump core dumps.
  33     $r = system "$TCPDUMP 2>NEW/$outputbase.stderr -# -n -r $input $options >NEW/$outputbase";
  34     if($r != 0) {
  35         my $coredump = false;
  36         my $status = 0;
  37         # this means tcpdump failed.
  38         open(OUTPUT, ">>"."NEW/$outputbase") || die "fail to open $outputbase\n";
  39         if( $r & 128 ) {
  40             $coredump = $r & 127;
  41         }
  42         if( WIFEXITED($r)) {
  43             $status = WEXITSTATUS($r);
  44         }
  45
  46         printf OUTPUT "EXIT CODE %08x: dump:%d code: %d\n", $r, $coredump, $status;
  47         close(OUTPUT);
  48         $r = 0;
  49     }
  50     if($r == 0) {
  51         $r = system "cat NEW/$outputbase | diff $output - >DIFF/$outputbase.diff";
  52     }
  53     #print sprintf("END: %08x\n", $r);
  54 }
  55
  56 if($r == 0) {
  57   printf "    %-35s: passed\n", $name;
  58   unlink "DIFF/$outputbase.diff";
  59   exit 0;
  60 }
  61 printf "    %-35s: TEST FAILED(%s)", $name, $r == -1 ? $! : "exit core=$coredump/stat=$status";
  62 open FOUT, '>>failure-outputs.txt';
  63 printf FOUT "\nFailed test: $name\n\n";
  64 close FOUT;
  65 if(-f "DIFF/$outputbase.diff") {
  66     system "cat DIFF/$outputbase.diff >> failure-outputs.txt";
  67 }
  68
  69 if($r == -1) {
  70   print " (failed to execute: $!)\n";
  71   exit 30;
  72 }
  73
  74 # this is not working right, $r == 0x8b00 when there is a core dump.
  75 # clearly, we need some platform specific perl magic to take this apart, so look for "core"
  76 # too.
  77 # In particular, on Solaris 10 SPARC an alignment problem results in SIGILL,
  78 # a core dump and $r set to 0x00008a00 ($? == 138 in the shell).
  79 if($r & 127 || -f "core") {
  80     my $with = ($r & 128) ? 'with' : 'without';
  81     if(-f "core") {
  82         $with = "with";
  83     }
  84     printf " (terminated with signal %u, %s coredump)\n", ($r & 127), $with;
  85     exit ($r & 128) ? 10 : 20;
  86 }
  87 print "\n";
  88 exit $r >> 8;