# The client writes a message to Sys::Syslog native method. # The syslogd writes it into a file and through a pipe. # The syslogd passes it via TLS to the loghost. # The server receives the message on its TLS socket. # Find the message in client, file, pipe, syslogd, server log. # Check that a SIGHUP reconnects the TLS stream and closes the socket. use strict; use warnings; use Socket; our %args = ( client => { func => sub { write_between2logs(shift, sub { my $self = shift; ${$self->{server}}->loggrep("Signal", 8) or die ref($self), " no 'Signal' between logs"; })}, loggrep => { get_between2loggrep() }, }, syslogd => { fstat => { # sighup must not leak a TCP socket qr/internet stream tcp/ => 1, }, ktrace => { qr/syslogd PSIG SIGHUP caught handler/ => 1, qr/syslogd RET execve JUSTRETURN/ => 2, }, loghost => '@tls://127.0.0.1:$connectport', loggrep => { qr/config file changed: dying/ => 0, qr/config file modified: restarting/ => 0, qr/syslogd: restarted/ => 1, get_between2loggrep(), }, }, server => { listen => { domain => AF_INET, proto => "tls", addr => "127.0.0.1" }, func => sub { accept_between2logs(shift, sub { my $self = shift; ${$self->{syslogd}}->rotate(); ${$self->{syslogd}}->kill_syslogd('HUP'); ${$self->{syslogd}}->loggrep("syslogd: restarted", 5) or die ref($self), " no 'syslogd: restarted' between logs"; print STDERR "Signal\n"; # regenerate fstat file ${$self->{syslogd}}->fstat(); })}, loggrep => { get_between2loggrep(), qr/Signal/ => 1, qr/^Accepted$/ => 2, }, }, ); 1;