X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fsyslog.pl;h=9e03399e4df608371ccf957a03fbae2ecbea9afc;hb=4d335c471cacb999603dc9b7dc6d3712051dbb6c;hp=c98baf32e3b5d67e85bfadaf3d9ecf73aabaab41;hpb=e929a76b14922a7077596a747fc1fcd1bdd6b9ea;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/syslog.pl b/lib/syslog.pl index c98baf3..9e03399 100644 --- a/lib/syslog.pl +++ b/lib/syslog.pl @@ -1,6 +1,8 @@ # # syslog.pl # +# $Log: syslog.pl,v $ +# # tom christiansen # modified to use sockets by Larry Wall # NOTE: openlog now takes three arguments, just like openlog(3) @@ -15,7 +17,7 @@ # # do openlog($program,'cons,pid','user'); # do syslog('info','this is another test'); -# do syslog('warn','this is a better test: %d', time); +# do syslog('mail|warning','this is a better test: %d', time); # do closelog(); # # do syslog('debug','this is the last test'); @@ -29,13 +31,23 @@ package syslog; $host = 'localhost' unless $host; # set $syslog'host to change +if ($] >= 5) { + warn "You should 'use Sys::Syslog' instead; continuing" # if $^W +} + require 'syslog.ph'; + eval 'use Socket; 1' || + eval { require "socket.ph" } || + require "sys/socket.ph"; + +$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 =~ /\bncons\b/; + $lo_cons = $logopt =~ /\bcons\b/; $lo_nowait = $logopt =~ /\bnowait\b/; &connect if $lo_ndelay; } @@ -44,33 +56,71 @@ 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. - &connect unless $connected; + die "syslog: expected both priority and mask" unless $mask && $priority; - $whoami = $ident; + @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: expected both priority and mask" unless $mask && $priority; + die "syslog: level must be given\n" unless defined($numpri); + + if (!defined($numfac)) { # Facility not specified in this call. + $facility = 'user' unless $facility; + $numfac = &xlate($facility); + } - $facility = "user" unless $facility; + &connect unless $connected; + + $whoami = $ident; if (!$ident && $mask =~ /^(\S.*):\s?(.*)/) { $whoami = $1; $mask = $2; } - $whoami .= " [$$]" if $lo_pid; + + unless ($whoami) { + ($whoami = getlogin) || + ($whoami = getpwuid($<)) || + ($whoami = 'syslog'); + } + + $whoami .= "[$$]" if $lo_pid; $mask =~ s/%m/$!/g; $mask .= "\n" unless $mask =~ /\n$/; $message = sprintf ($mask, @_); - $whoami = sprintf ("%s %d",$ENV{'USER'}||$ENV{'LOGNAME'},$$) unless $whoami; - - $sum = &xlate($priority) + &xlate($facility); + $sum = $numpri + $numfac; unless (send(SYSLOG,"<$sum>$whoami: $message",0)) { if ($lo_cons) { if ($pid = fork) { @@ -80,7 +130,7 @@ sub main'syslog { } else { open(CONS,">/dev/console"); - print CONS "$$whoami: $message\n"; + print CONS "<$facility.$priority>$whoami: $message\r"; exit if defined $pid; # if fork failed, we're parent close CONS; } @@ -90,25 +140,25 @@ sub main'syslog { sub xlate { local($name) = @_; - $name =~ y/a-z/A-Z/; + $name = uc $name; $name = "LOG_$name" unless $name =~ /^LOG_/; $name = "syslog'$name"; - &$name; + defined &$name ? &$name : -1; } sub connect { $pat = 'S n C4 x8'; - $af_unix = 1; - $af_inet = 2; + $af_unix = &AF_UNIX; + $af_inet = &AF_INET; - $stream = 1; - $datagram = 2; + $stream = &SOCK_STREAM; + $datagram = &SOCK_DGRAM; ($name,$aliases,$proto) = getprotobyname('udp'); $udp = $proto; - ($name,$aliase,$port,$proto) = getservbyname('syslog','udp'); + ($name,$aliases,$port,$proto) = getservbyname('syslog','udp'); $syslog = $port; if (chop($myname = `hostname`)) {