]> git.proxmox.com Git - ifupdown-pve.git/blame - contrib/ifstate-check
Squashed 'src/' content from commit c732260
[ifupdown-pve.git] / contrib / ifstate-check
CommitLineData
6f248ce1
TL
1#!/usr/bin/perl
2#
3# Generate a report of the status of interfaces configured
4# by 'ifupdown'
5# (c) 2004 Javier Fernandez-Sanguino <jfs@debian.org>
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20#
21
22$statefile="/run/network/ifstate";
23$configfile="/etc/network/interfaces";
24
25open (IFACE,"<$configfile") || die ("Could not open $configfile: $!\n");
26while (<IFACE>) {
27 chomp;
28 if ( /^iface\s+(\w+)\s+/ ) {
29 $configured{$1}=$_;
30 }
31}
32
33close IFACE;
34
35open (IPLINK,"ip link show|") || die ("Could not execute ip: $!\n");
36while (<IPLINK>) {
37 chomp;
38# FORMAT
39# #: AAAA: <XXXXX,UP> mtu 16436 qdisc noqueue
40 if ( /^\d+: (\w+):.*?\<.*?,UP.*?\>/ ) {
41 $iplink{$1}=$_;
42 }
43}
44close IPLINK;
45
46
47open (STATE,"<$statefile") || die ("Could not open $statefile: $!\n");
48$line = 0;
49while (<STATE>) {
50 chomp;
51 $line++;
52# Format is IFACE=IFACE
53 if ( /^(\w+)=(\w+)$/ ) {
54 $iface = $1;
55 $ifaces = $2;
56 if ( $iface ne $ifaces ) {
57 print STDERR "Error in $statefile (line $line), interface names do not match ('$iface' and '$ifaces')\n";
58 } else {
59 check_status($iface);
60 }
61 } else {
62 print STDERR "Error in $statefile (line $line), unknown content\n";
63 }
64
65}
66close STATE;
67
68exit 0;
69
70sub check_status {
71 my ($int) = @_;
72 print "$int: ";
73 my $status = "UP";
74# Check if it's really up, this is done basically because ifupdown
75# might not have configured it properly even if it thinks he has
76# (sample: ifconfig croaks when wrong parameters are used and
77# ifupdown does not detect that the system call went awry)
78 $status = "ERROR_NOT_REALLY_UP" if ! defined ($iplink{$int}) ;
79 if ( defined ( $configured{$int} ) ) {
80 $status .= ",CONFIGURED";
81 } else {
82 $status .= ",MANUALLY_CONFIGURED";
83 }
84 print "$status\n";
85 return 0;
86}