зеркало из https://github.com/Azure/sonic-openssh.git
73 строки
1.6 KiB
Perl
Executable File
73 строки
1.6 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# fixprogs - run through the list of entropy commands and
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# score out the losers
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#
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$entscale = 50; # divisor for optional entropy measurement
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sub usage {
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return("Usage: $0 <command file>\n");
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}
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if (($#ARGV == -1) || ($#ARGV>1)) {
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die(&usage);
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}
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# 'undocumented' option - run ent (in second param) on the output
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if ($#ARGV==1) {
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$entcmd=$ARGV[1]
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} else {
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$entcmd = ""
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};
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$infilename = $ARGV[0];
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if (!open(IN, "<".$infilename)) {
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die("Couldn't open input file");
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}
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$outfilename=$infilename.".out";
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if (!open(OUT, ">$outfilename")) {
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die("Couldn't open output file $outfilename");
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}
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@infile=<IN>;
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select(OUT); $|=1; select(STDOUT);
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foreach (@infile) {
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if (/^\s*\#/ || /^\s*$/) {
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print OUT;
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next;
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}
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($cmd, $path, $est) = /^\"([^\"]+)\"\s+([\w\/_-]+)\s+([\d\.\-]+)/o;
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@args = split(/ /, $cmd);
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if (! ($pid = fork())) {
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# child
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close STDIN; close STDOUT; close STDERR;
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open (STDIN, "</dev/null");
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open (STDOUT, ">/dev/null");
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open (STDERR, ">/dev/null");
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exec $path @args;
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exit 1; # shouldn't be here
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}
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# parent
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waitpid ($pid, 0); $ret=$? >> 8;
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if ($ret != 0) {
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$path = "undef";
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} else {
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if ($entcmd ne "") {
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# now try to run ent on the command
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$mostargs=join(" ", splice(@args,1));
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print "Evaluating '$path $mostargs'\n";
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@ent = qx{$path $mostargs | $entcmd -b -t};
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@ent = grep(/^1,/, @ent);
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($null, $null, $rate) = split(/,/, $ent[0]);
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$est = $rate / $entscale; # scale the estimate back
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}
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}
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print OUT "\"$cmd\" $path $est\n";
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}
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close(IN);
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