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
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
package network;
use diagnostics;
use strict;
use Socket;
use common qw(:common :file :system :functional);
use detect_devices;
use modules;
use log;
1;
sub read_conf {
my ($file) = @_;
my %netc = getVarsFromSh($file);
$netc->{dnsServer} = $netc->{NS0};
\%netc;
}
sub read_interface_conf {
my ($file) = @_;
my %intf = getVarsFromSh($file) or die "cannot open file $file: $!";
$intf{BOOTPROTO} ||= 'static';
$intf{isPtp} = $intf{NETWORK} eq '255.255.255.255';
$intf{isUp} = 1;
\%intf;
}
sub write_conf {
my ($file, $netc) = @_;
add2hash($netc, {
NETWORKING => "yes",
FORWARD_IPV4 => "false",
HOSTNAME => "localhost.localdomain",
});
add2hash($netc, { DOMAINNAME => $netc->{HOSTNAME} =~ /\.(.*)/ });
setVarsInSh($file, $netc, qw(NETWORKING FORWARD_IPV4 HOSTNAME DOMAINNAME GATEWAY GATEWAYDEV));
}
sub write_resolv_conf {
my ($file, $netc) = @_;
# We always write these, even if they were autoconfigured. Otherwise, the reverse name lookup in the install doesn't work.
unless ($netc->{DOMAINNAME} || dnsServers($netc)) {
unlink($file);
log::l("neither domain name nor dns server are configured");
return 0;
}
my @l = cat_($file);
local *F;
open F, "> $file" or die "cannot write $file: $!";
print F "search $netc->{DOMAINNAME}\n" if $netc->{DOMAINNAME};
print F "nameserver $_\n" foreach dnsServers($netc);
print F "#$_" foreach @l;
#res_init(); # reinit the resolver so DNS changes take affect
1;
}
sub write_interface_conf {
my ($file, $intf) = @_;
my @ip = split '\.', $intf->{IPADDR};
my @mask = split '\.', $intf->{NETMASK};
add2hash($intf, {
BROADCAST => join('.', mapn { int $_[0] | ~int $_[1] & 255 } \@ip, \@mask),
NETWORK => join('.', mapn { int $_[0] & $_[1] } \@ip, \@mask),
ONBOOT => "yes",
});
setVarsInSh($file, $intf, qw(DEVICE BOOTPROTO IPADDR NETMASK NETWORK BROADCAST ONBOOT));
}
sub add2hosts {
my ($file, $hostname, @ips) = @_;
my %l;
$l{$_} = $hostname foreach @ips;
local *F;
if (-e $file) {
open F, $file or die "cannot open $file: $!";
/\s*(\S+)(.*)/ and $l{$1} = $2 foreach <F>;
}
log::l("writing host information to $file");
open F, ">$file" or die "cannot write $file: $!";
while (my ($ip, $v) = each %l) {
print F "$ip";
if ($v =~ /^\s/) {
print F $v;
} else {
print F "\t\t$v";
print F " $1" if $v =~ /(.*?)\./;
}
print F "\n";
}
}
# The interface/gateway needs to be configured before this will work!
sub guessHostname {
my ($prefix, $netc, $intf) = @_;
$intf->{isUp} && dnsServers($netc) or return 0;
$netc->{HOSTNAME} && $netc->{DOMAINNAME} and return 1;
write_resolv_conf("$prefix/etc/resolv.conf", $netc);
my $name = gethostbyaddr(Socket::inet_aton($intf->{IPADDR}), AF_INET) or log::l("reverse name lookup failed"), return 0;
log::l("reverse name lookup worked");
add2hash($netc, { HOSTNAME => $name });
1;
}
sub addDefaultRoute {
my ($netc) = @_;
c::addDefaultRoute($netc->{GATEWAY}) if $netc->{GATEWAY};
}
sub sethostname {
my ($netc) = @_;
syscall_('sethostname', $netc->{HOSTNAME}, length $netc->{HOSTNAME}) or log::l("sethostname failed: $!");
}
sub dnsServers {
my ($netc) = @_;
grep { $_ } map { $netc->{$_} } qw(dnsServer dnsServer2 dnsServer3);
}
sub getNet() {
modules::load_thiskind('net');
detect_devices::getNet();
}
sub findIntf {
my ($intf, $device) = @_;
my ($l) = grep { $_->{DEVICE} eq $device } @$intf;
push @$intf, $l = { DEVICE => $device } unless $l;
$l;
}
sub is_ip {
$_[0] =~ /^(\d{1,3}\.){3}\d{1,3}$/;
}
|
