/usr/bin/macusers is in netatalk 2.2.2-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | #!/usr/bin/perl
use strict;
use Socket;
use File::Basename;
use vars qw($MAC_PROCESS $PS_STR $MATCH_STR $ASIP_PORT_NO $ASIP_PORT $LSOF);
# Written for linux; may have to be modified for your brand of Unix.
# Support for FreeBSD added by Joe Clarke <marcus@marcuscom.com>.
# Support Solaris added by Frank Lahm <franklahm@googlemail.com>.
# Support has also been added for 16 character usernames.
if ($ARGV[0] =~ /^(-v|-version|--version)$/ ) {
printf ("%s \(Netatalk 2.2.2\)\n", basename($0));
exit(1);
} elsif ($ARGV[0] =~ /^(-h|-help|--help)$/ ) {
printf ("usage: %s \[-v|-version|--version|-h|-help|--help\]\n", basename($0));
printf ("Show users connecting via AFP\n");
exit(1);
}
$MAC_PROCESS = "afpd";
if ($^O eq "freebsd" || $^O eq "openbsd") {
$PS_STR = "-awwxouser,pid,ppid,start,command";
$MATCH_STR = '(\w+)\s+(\d+)\s+(\d+)\s+([\d\w:]+)';
} elsif ($^O eq "solaris") {
$PS_STR = "-eo user,pid,ppid,c,stime,tty,time,comm";
$MATCH_STR = '\s*(\w+)\s+(\d+)\s+(\d+)\s+\d+\s+([\d\w:]+)';
} else {
$PS_STR = "-eo user:32,pid,ppid,c,stime,tty,time,cmd";
$MATCH_STR = '\s*(\w+)\s+(\d+)\s+(\d+)\s+\d+\s+([\d\w:]+)';
}
$ASIP_PORT = "afpovertcp";
$ASIP_PORT_NO = 548;
# Change to 0 if you don't have lsof
$LSOF = 1;
my %mac = ();
if ($^O eq "freebsd") {
open(SOCKSTAT, "sockstat -4 | grep $MAC_PROCESS | grep -v grep |");
while (<SOCKSTAT>) {
next if ($_ !~ /$MAC_PROCESS/);
$_ =~
/\S+\s+\S+\s+(\d+)\s+\d+\s+[\w\d]+\s+[\d\.:]+\s+([\d\.]+)/;
my ($pid, $addr, $host);
$pid = $1;
$addr = $2;
$host = gethostbyaddr(pack('C4', split (/\./, $addr)), AF_INET);
($host) = ( $host =~ /(^(\d+\.){3}\d+|[\w\d\-]+)/ );
$mac{$pid} = $host;
}
print
"PID UID Username Name Logintime Mac\n";
close(SOCKSTAT);
} elsif ($^O eq "solaris") {
if ($< != 0) {
print "must be run as root\n";
exit(1);
}
print "PID UID Username Name Logintime Mac\n";
} elsif ($LSOF == 1) {
open(LSOF, "lsof -i :$ASIP_PORT |");
while (<LSOF>) {
next if ($_ !~ /$ASIP_PORT/);
$_ =~ /\w+\s+(\d+).*->([\w\.-]+).*/;
my ($pid, $host);
$pid = $1;
$host = $2;
($host) = ( $host =~ /(^(\d+\.){3}\d+|[\w\d\-]+)/ );
$mac{$pid} = $host;
}
print
"PID UID Username Name Logintime Mac\n";
close(LSOF);
} else {
print
"PID UID Username Name Logintime\n";
}
open(PS, "ps $PS_STR |") || die "Unable to open a pipe to ``ps''";
while (<PS>) {
next if ($_ !~ /$MAC_PROCESS/);
my ($user, $pid, $ppid, $time, $name, $uid, $t, $ip);
$_ =~ /$MATCH_STR/;
$user = $1;
$pid = $2;
$ppid = $3;
$time = $4;
if ($ppid != 1) {
if ($^O eq "solaris") {
open(PFILES, "pfiles $pid |");
while (<PFILES>) {
next if ($_ !~ /port: $ASIP_PORT_NO/);
while (<PFILES>) {
next if ($_ !~ /peername/);
if ($_ =~ /AF_INET (.*) port/) {
$ip = $1;
if ($ip =~ /::ffff:(.*)/ ) {
$ip = $1;
}
}
$mac{$pid} = $ip;
last;
}
last;
}
close(PFILES);
}
# Deal with truncated usernames. Caution: this does make the
# assumption that no username will be all-numeric.
if ($user =~ /^[0-9]+$/) {
$uid = $user;
($user, $t, $t, $t, $t, $t, $name, $t, $t) = getpwuid($uid);
} else {
($t, $t, $uid, $t, $t, $t, $name, $t, $t) = getpwnam($user);
}
($name) = ( $name =~ /(^[^,]+)/ );
printf "%-8d %-8d %-16s %-20s %-9s %s\n", $pid, $uid, $user,
$name, $time, $mac{$pid};
}
}
close(PS);
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