X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperlipc.pod;h=475271d071a4ab0815527fb2bdb4e0614b56f484;hb=c9d5ac959cdfa7a668b3bfbbc2b56923c316ef43;hp=5b12fbe5e7555211dcbd22680079ecaa79dcf47e;hpb=92d29cee5ff815b05b81b877528e4c77e73881c9;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/pod/perlipc.pod b/pod/perlipc.pod
index 5b12fbe..475271d 100644
--- a/pod/perlipc.pod
+++ b/pod/perlipc.pod
@@ -667,7 +667,8 @@ instead.
 
     my $port = shift || 2345;
     my $proto = getprotobyname('tcp');
-    $port = $1 if $port =~ /(\d+)/; # untaint port number
+
+    ($port) = $port =~ /^(\d+)$/                        || die "invalid port";
 
     socket(Server, PF_INET, SOCK_STREAM, $proto)	|| die "socket: $!";
     setsockopt(Server, SOL_SOCKET, SO_REUSEADDR,
@@ -710,7 +711,8 @@ go back to service a new client.
 
     my $port = shift || 2345;
     my $proto = getprotobyname('tcp');
-    $port = $1 if $port =~ /(\d+)/; # untaint port number
+
+    ($port) = $port =~ /^(\d+)$/                        || die "invalid port";
 
     socket(Server, PF_INET, SOCK_STREAM, $proto)	|| die "socket: $!";
     setsockopt(Server, SOL_SOCKET, SO_REUSEADDR,
@@ -922,7 +924,7 @@ For those preferring a higher-level interface to socket programming, the
 IO::Socket module provides an object-oriented approach.  IO::Socket is
 included as part of the standard Perl distribution as of the 5.004
 release.  If you're running an earlier version of Perl, just fetch
-IO::Socket from CPAN, where you'll also find find modules providing easy
+IO::Socket from CPAN, where you'll also find modules providing easy
 interfaces to the following systems: DNS, FTP, Ident (RFC 931), NIS and
 NISPlus, NNTP, Ping, POP3, SMTP, SNMP, SSLeay, Telnet, and Time--just
 to name a few.