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# Start syslogd in daemon mode.
# 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 UDP to the loghost.
# The server receives the message on its UDP socket.
# Find the message in client, file, syslogd, server log.
# Check fstat for the parent and child process.
# Check ktrace for setting the correct uid and gid.
# Check that stdio is dupped to /dev/null.
use strict;
use warnings;
our %args = (
syslogd => {
daemon => 1,
nopipe => 1,
noconsole => 1,
nouser => 1,
loggrep => {
qr/ -F / => 0,
qr/ -d / => 0,
},
fstat => {
qr/^root .* wd / => 1,
qr/^root .* root / => 0,
qr/^root .* [012] .* null$/ => 3,
qr/^root .* kqueue / => 0,
qr/^root .* internet/ => 0,
qr/^_syslogd .* wd / => 1,
qr/^_syslogd .* root / => 1,
qr/^_syslogd .* [012] .* null$/ => 3,
qr/^_syslogd .* kqueue / => 1,
qr/^_syslogd .* internet/ => 2,
},
ktrace => {
qr/CALL setresuid(.*"_syslogd".*){3}/ => 1,
qr/CALL setresgid(.*"_syslogd".*){3}/ => 1,
qr/CALL setsid/ => 1,
qr/RET setsid.* errno / => 0,
},
},
pipe => { nocheck => 1 },
tty => { nocheck => 1 },
);
1;
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