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-rwxr-xr-xMaster/tlpkg/tlperl.straw/lib/syslog.pl199
1 files changed, 199 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl.straw/lib/syslog.pl b/Master/tlpkg/tlperl.straw/lib/syslog.pl
new file mode 100755
index 00000000000..f0dbb1c96a2
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+++ b/Master/tlpkg/tlperl.straw/lib/syslog.pl
@@ -0,0 +1,199 @@
+#
+# syslog.pl
+#
+# $Log: syslog.pl,v $
+#
+# tom christiansen <tchrist@convex.com>
+# modified to use sockets by Larry Wall <lwall@jpl-devvax.jpl.nasa.gov>
+# NOTE: openlog now takes three arguments, just like openlog(3)
+#
+# call syslog() with a string priority and a list of printf() args
+# like syslog(3)
+#
+# usage: require 'syslog.pl';
+#
+# then (put these all in a script to test function)
+#
+#
+# do openlog($program,'cons,pid','user');
+# do syslog('info','this is another test');
+# do syslog('mail|warning','this is a better test: %d', time);
+# do closelog();
+#
+# do syslog('debug','this is the last test');
+# do openlog("$program $$",'ndelay','user');
+# do syslog('notice','fooprogram: this is really done');
+#
+# $! = 55;
+# do syslog('info','problem was %m'); # %m == $! in syslog(3)
+
+package syslog;
+
+use warnings::register;
+
+$host = 'localhost' unless $host; # set $syslog'host to change
+
+if ($] >= 5 && warnings::enabled()) {
+ warnings::warn("You should 'use Sys::Syslog' instead; continuing");
+}
+
+require 'syslog.ph';
+
+ eval 'use Socket; 1' ||
+ eval { require "socket.ph" } ||
+ require "sys/socket.ph";
+
+$maskpri = &LOG_UPTO(&LOG_DEBUG);
+
+sub main'openlog {
+ ($ident, $logopt, $facility) = @_; # package vars
+ $lo_pid = $logopt =~ /\bpid\b/;
+ $lo_ndelay = $logopt =~ /\bndelay\b/;
+ $lo_cons = $logopt =~ /\bcons\b/;
+ $lo_nowait = $logopt =~ /\bnowait\b/;
+ &connect if $lo_ndelay;
+}
+
+sub main'closelog {
+ $facility = $ident = '';
+ &disconnect;
+}
+
+sub main'setlogmask {
+ local($oldmask) = $maskpri;
+ $maskpri = shift;
+ $oldmask;
+}
+
+sub main'syslog {
+ local($priority) = shift;
+ local($mask) = shift;
+ local($message, $whoami);
+ local(@words, $num, $numpri, $numfac, $sum);
+ local($facility) = $facility; # may need to change temporarily.
+
+ die "syslog: expected both priority and mask" unless $mask && $priority;
+
+ @words = split(/\W+/, $priority, 2);# Allow "level" or "level|facility".
+ undef $numpri;
+ undef $numfac;
+ foreach (@words) {
+ $num = &xlate($_); # Translate word to number.
+ if (/^kern$/ || $num < 0) {
+ die "syslog: invalid level/facility: $_\n";
+ }
+ elsif ($num <= &LOG_PRIMASK) {
+ die "syslog: too many levels given: $_\n" if defined($numpri);
+ $numpri = $num;
+ return 0 unless &LOG_MASK($numpri) & $maskpri;
+ }
+ else {
+ die "syslog: too many facilities given: $_\n" if defined($numfac);
+ $facility = $_;
+ $numfac = $num;
+ }
+ }
+
+ die "syslog: level must be given\n" unless defined($numpri);
+
+ if (!defined($numfac)) { # Facility not specified in this call.
+ $facility = 'user' unless $facility;
+ $numfac = &xlate($facility);
+ }
+
+ &connect unless $connected;
+
+ $whoami = $ident;
+
+ if (!$ident && $mask =~ /^(\S.*):\s?(.*)/) {
+ $whoami = $1;
+ $mask = $2;
+ }
+
+ unless ($whoami) {
+ ($whoami = getlogin) ||
+ ($whoami = getpwuid($<)) ||
+ ($whoami = 'syslog');
+ }
+
+ $whoami .= "[$$]" if $lo_pid;
+
+ $mask =~ s/%m/$!/g;
+ $mask .= "\n" unless $mask =~ /\n$/;
+ $message = sprintf ($mask, @_);
+
+ $sum = $numpri + $numfac;
+ unless (send(SYSLOG,"<$sum>$whoami: $message",0)) {
+ if ($lo_cons) {
+ if ($pid = fork) {
+ unless ($lo_nowait) {
+ do {$died = wait;} until $died == $pid || $died < 0;
+ }
+ }
+ else {
+ open(CONS,">/dev/console");
+ print CONS "<$facility.$priority>$whoami: $message\r";
+ exit if defined $pid; # if fork failed, we're parent
+ close CONS;
+ }
+ }
+ }
+}
+
+sub xlate {
+ local($name) = @_;
+ $name = uc $name;
+ $name = "LOG_$name" unless $name =~ /^LOG_/;
+ $name = "syslog'$name";
+ defined &$name ? &$name : -1;
+}
+
+sub connect {
+ $pat = 'S n C4 x8';
+
+ $af_unix = &AF_UNIX;
+ $af_inet = &AF_INET;
+
+ $stream = &SOCK_STREAM;
+ $datagram = &SOCK_DGRAM;
+
+ ($name,$aliases,$proto) = getprotobyname('udp');
+ $udp = $proto;
+
+ ($name,$aliases,$port,$proto) = getservbyname('syslog','udp');
+ $syslog = $port;
+
+ if (chop($myname = `hostname`)) {
+ ($name,$aliases,$addrtype,$length,@addrs) = gethostbyname($myname);
+ die "Can't lookup $myname\n" unless $name;
+ @bytes = unpack("C4",$addrs[0]);
+ }
+ else {
+ @bytes = (0,0,0,0);
+ }
+ $this = pack($pat, $af_inet, 0, @bytes);
+
+ if ($host =~ /^\d+\./) {
+ @bytes = split(/\./,$host);
+ }
+ else {
+ ($name,$aliases,$addrtype,$length,@addrs) = gethostbyname($host);
+ die "Can't lookup $host\n" unless $name;
+ @bytes = unpack("C4",$addrs[0]);
+ }
+ $that = pack($pat,$af_inet,$syslog,@bytes);
+
+ socket(SYSLOG,$af_inet,$datagram,$udp) || die "socket: $!\n";
+ bind(SYSLOG,$this) || die "bind: $!\n";
+ connect(SYSLOG,$that) || die "connect: $!\n";
+
+ local($old) = select(SYSLOG); $| = 1; select($old);
+ $connected = 1;
+}
+
+sub disconnect {
+ close SYSLOG;
+ $connected = 0;
+}
+
+1;