package network;

use diagnostics;
use strict;

#-######################################################################################
#- misc imports
#-######################################################################################
use Socket;

use common qw(:common :file :system :functional);
use detect_devices;
use log;

#-######################################################################################
#- Functions
#-######################################################################################
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 findIntf {
    my ($intf, $device) = @_;
    my ($l) = grep { $_->{DEVICE} eq $device } @$intf;
    push @$intf, $l = { DEVICE => $device } unless $l;
    $l;
}
#PAD \s* a la fin
my $ip_regexp = qr/(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
sub is_ip {
    my ($ip) = @_;
    return 0 unless $ip =~ $ip_regexp;
    my @fields = ($1, $2, $3, $4);
    foreach (@fields) {
	return 0 if $_ < 0 || $_ > 255;
    }
    return 1;
}

sub netmask {
    my ($ip) = @_;
    return "255.255.255.0" unless is_ip($ip);
    $ip =~ $ip_regexp;
    if ($1 >= 1 && $1 < 127) {
	return "255.0.0.0";    #-1.0.0.0 to 127.0.0.0
    } elsif ($1  >= 128 && $1 <= 191 ){
	return "255.255.0.0";  #-128.0.0.0 to 191.255.0.0
    } elsif ($1 >= 192 && $1 <= 223) {
	return "255.255.255.0";
    } else {
	return "255.255.255.255"; #-experimental classes
    }
}

sub masked_ip {
    my ($ip) = @_;
    return "" unless is_ip($ip);
    my @mask = netmask($ip) =~ $ip_regexp;
    my @ip   = $ip          =~ $ip_regexp;
    for (my $i = 0; $i < @ip; $i++) {
	$ip[$i] &= int $mask[$i];
    }
    join(".", @ip);
}

sub dns {
    my ($ip) = @_;
    my $mask = masked_ip($ip);
    my @masked = masked_ip($ip) =~ $ip_regexp;
    $masked[3]  = 12;
    join (".", @masked);
    
}
sub gateway {
    my ($ip) = @_;
    my @masked = masked_ip($ip) =~ $ip_regexp;
    $masked[3]  = 1;
    join (".", @masked);
    
}

#-######################################################################################
#- Wonderful perl :(
#-######################################################################################
1;
ption value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/software/drakx/tree/?h=16.83&amp;id=6250b968e7eb341a76381a8136d6548dcdecb459'>root</a>/<a href='/software/drakx/tree/perl-install?h=16.83&amp;id=6250b968e7eb341a76381a8136d6548dcdecb459'>perl-install</a>/<a href='/software/drakx/tree/perl-install/pkgs.pm?h=16.83&amp;id=6250b968e7eb341a76381a8136d6548dcdecb459'>pkgs.pm</a></div><div class='content'>blob: ce22d1a583692aadc93ebff606ad91c88008a7c4 (<a href='/software/drakx/plain/perl-install/pkgs.pm?h=16.83&amp;id=6250b968e7eb341a76381a8136d6548dcdecb459'>plain</a>)
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</pre></td>
<td class='lines'><pre><code><span class="hl kwa">package</span> pkgs<span class="hl opt">;</span> <span class="hl slc"># $Id: pkgs.pm 269470 2010-05-26 09:23:39Z pterjan $</span>

<span class="hl kwa">use</span> strict<span class="hl opt">;</span>

<span class="hl kwa">use</span> common<span class="hl opt">;</span>
<span class="hl kwa">use</span> run_program<span class="hl opt">;</span>
<span class="hl kwa">use</span> detect_devices<span class="hl opt">;</span>
<span class="hl kwa">use</span> <span class="hl kwc">log</span><span class="hl opt">;</span>

<span class="hl kwa">sub</span> rpmsrate_rate_max<span class="hl opt">() {</span>
    <span class="hl num">5</span><span class="hl opt">;</span> <span class="hl slc"># also defined in perl-URPM</span>
<span class="hl opt">}</span>

<span class="hl kwa">sub</span> rpmsrate_rate_default<span class="hl opt">() {</span>
    detect_devices<span class="hl opt">::</span>need_light_desktop<span class="hl opt">()</span> ? <span class="hl num">5</span> <span class="hl opt">:</span> <span class="hl num">4</span><span class="hl opt">;</span>
<span class="hl opt">}</span>

<span class="hl kwa">sub</span> read_rpmsrate_raw <span class="hl opt">{</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$file</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;_</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$line_nb</span> <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl kwb">$fatal_error</span><span class="hl opt">;</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">%flags, %rates, &#64;need_to_copy</span><span class="hl opt">);</span>
    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">&#64;l</span><span class="hl opt">);</span>
    <span class="hl kwc">local</span> <span class="hl kwb">$_</span><span class="hl opt">;</span>
    <span class="hl kwa">foreach</span> <span class="hl opt">(</span>cat_<span class="hl opt">(</span><span class="hl kwb">$file</span><span class="hl opt">)) {</span>
	<span class="hl kwb">$line_nb++</span><span class="hl opt">;</span>
	<span class="hl kwd">/\t/</span> <span class="hl kwc">and die</span> <span class="hl str">&quot;tabulations not allowed at line</span> <span class="hl ipl">$line_nb\n</span><span class="hl str">&quot;</span><span class="hl opt">;</span>
	<span class="hl kwd">s/#.*//</span><span class="hl opt">;</span> <span class="hl slc"># comments</span>

	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$indent, $data</span><span class="hl opt">) =</span> <span class="hl kwd">/(\s*)(.*)/</span><span class="hl opt">;</span>
	<span class="hl kwa">next if</span> <span class="hl opt">!</span><span class="hl kwb">$data</span><span class="hl opt">;</span> <span class="hl slc"># skip empty lines</span>

	<span class="hl kwb">&#64;l</span> <span class="hl opt">=</span> <span class="hl kwc">grep</span> <span class="hl opt">{</span> <span class="hl kwb">$_</span><span class="hl opt">-&gt;[</span><span class="hl num">0</span><span class="hl opt">] &lt;</span> <span class="hl kwc">length</span> <span class="hl kwb">$indent</span> <span class="hl opt">}</span> <span class="hl kwb">&#64;l</span><span class="hl opt">;</span>

	<span class="hl kwc">my</span> <span class="hl kwb">&#64;m</span> <span class="hl opt">=</span> <span class="hl kwb">&#64;l</span> ? <span class="hl opt">&#64;{</span><span class="hl kwb">$l</span><span class="hl opt">[-</span><span class="hl num">1</span><span class="hl opt">][</span><span class="hl num">1</span><span class="hl opt">]} : ();</span>
	<span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$t, $flag, &#64;l2</span><span class="hl opt">);</span>
	<span class="hl kwa">while</span> <span class="hl opt">(</span><span class="hl kwb">$data</span> <span class="hl opt">=~</span> 
	       <span class="hl opt">/^((</span>
                   <span class="hl opt">[</span><span class="hl num">1</span><span class="hl opt">-</span><span class="hl num">6</span><span class="hl opt">]</span>
                   <span class="hl opt">|</span>
                   <span class="hl opt">(</span>?<span class="hl opt">:            (</span>?<span class="hl opt">: !</span>\s<span class="hl opt">*)</span>? <span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">-</span><span class="hl num">9</span>A-Z_<span class="hl opt">]+(</span>?<span class="hl opt">:</span><span class="hl str">&quot;.*?&quot;</span><span class="hl opt">)</span>?<span class="hl opt">)</span>
                   <span class="hl opt">(</span>?<span class="hl opt">:</span> \s<span class="hl opt">*</span>\<span class="hl opt">|</span>\<span class="hl opt">|</span>\s<span class="hl opt">* (</span>?<span class="hl opt">: !</span>\s<span class="hl opt">*)</span>? <span class="hl opt">[</span><span class="hl num">0</span><span class="hl opt">-</span><span class="hl num">9</span>A-Z_<span class="hl opt">]+(</span>?<span class="hl opt">:</span><span class="hl str">&quot;.*?&quot;</span><span class="hl opt">)</span>?<span class="hl opt">)*</span>
                  <span class="hl opt">)</span>
                  <span class="hl opt">(</span>?<span class="hl opt">:</span>\s<span class="hl opt">+|$)</span>
                 <span class="hl opt">)(.*)/</span>x<span class="hl opt">) {</span> <span class="hl slc">#&#64;&quot;)) {</span>
	    <span class="hl opt">(</span><span class="hl kwb">$t, $flag, $data</span><span class="hl opt">) = (</span><span class="hl kwb">$1,$2,$3</span><span class="hl opt">);</span>
	    <span class="hl kwa">while</span> <span class="hl opt">(</span><span class="hl kwb">$flag</span> <span class="hl opt">=~</span> s<span class="hl opt">,^</span>\s<span class="hl opt">*((</span><span class="hl str">&quot;[^&quot;</span><span class="hl opt">]*</span><span class="hl str">&quot;|[^&quot;</span>\s<span class="hl opt">]*)*)</span>\s<span class="hl opt">+,</span><span class="hl kwb">$1,</span><span class="hl opt">) {}</span>
	    <span class="hl kwc">push</span> <span class="hl kwb">&#64;m, $flag</span><span class="hl opt">;</span>
	    <span class="hl kwc">push</span> <span class="hl kwb">&#64;l2,</span> <span class="hl opt">[</span> <span class="hl kwc">length</span> <span class="hl kwb">$indent,</span> <span class="hl opt">[</span> <span class="hl kwb">&#64;m</span> <span class="hl opt">] ];</span>
	    <span class="hl kwb">$indent</span> <span class="hl opt">.=</span> <span class="hl kwb">$t</span><span class="hl opt">;</span>
	<span class="hl opt">}</span>
	<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwb">$data</span><span class="hl opt">) {</span>
	    <span class="hl slc"># has packages on same line</span>
	    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$rates, $flags</span><span class="hl opt">) =</span> partition <span class="hl opt">{</span> <span class="hl kwd">/^\d$/</span> <span class="hl opt">}</span> <span class="hl kwb">&#64;m</span><span class="hl opt">;</span>
	    <span class="hl kwc">my</span> <span class="hl opt">(</span><span class="hl kwb">$rate</span><span class="hl opt">) =</span> <span class="hl kwb">&#64;$rates</span> <span class="hl kwc">or die sprintf</span> <span class="hl str">qq(missing rate for &quot;</span><span class="hl ipl">%s</span><span class="hl str">&quot; at line</span> <span class="hl ipl">%d</span> <span class="hl str">(flags are</span> <span class="hl ipl">%s</span><span class="hl str">)</span><span class="hl esc">\n</span><span class="hl opt">),</span> <span class="hl kwb">$data, $line_nb,</span> <span class="hl kwc">join</span><span class="hl opt">(</span><span class="hl str">&apos;&amp;&amp;&apos;</span><span class="hl opt">,</span> <span class="hl kwb">&#64;m</span><span class="hl opt">);</span>
	    <span class="hl kwa">foreach</span> <span class="hl kwc">my</span> <span class="hl kwb">$name</span> <span class="hl opt">(</span><span class="hl kwc">split</span> <span class="hl str">&apos; &apos;</span><span class="hl opt">,</span> <span class="hl kwb">$data</span><span class="hl opt">) {</span>
		<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwc">uc</span><span class="hl opt">(</span><span class="hl kwb">$name</span><span class="hl opt">)</span> <span class="hl kwc">eq</span> <span class="hl kwb">$name</span><span class="hl opt">) {</span>
		    <span class="hl kwc">log</span><span class="hl opt">::</span>l<span class="hl opt">(</span><span class="hl str">&quot;</span><span class="hl ipl">$line_nb</span><span class="hl str">:</span> <span class="hl ipl">$name</span> <span class="hl str">is parsed as a package name, not as a flag&quot;</span><span class="hl opt">);</span>
		<span class="hl opt">}</span>
		<span class="hl kwa">if</span> <span class="hl opt">(</span>member<span class="hl opt">(</span><span class="hl str">&apos;INSTALL&apos;</span><span class="hl opt">,</span> <span class="hl kwb">&#64;$flags</span><span class="hl opt">)) {</span>
		    <span class="hl kwc">push</span> <span class="hl kwb">&#64;need_to_copy, $name</span> <span class="hl kwa">if</span> <span class="hl opt">!</span>member<span class="hl opt">(</span><span class="hl str">&apos;NOCOPY&apos;</span><span class="hl opt">,</span> <span class="hl kwb">&#64;$flags</span><span class="hl opt">);</span>
		    <span class="hl kwa">next</span><span class="hl opt">;</span>    <span class="hl slc">#- do not need to put INSTALL flag for a package.</span>
		<span class="hl opt">}</span>
		<span class="hl kwa">if</span> <span class="hl opt">(</span>member<span class="hl opt">(</span><span class="hl str">&apos;PRINTER&apos;</span><span class="hl opt">,</span> <span class="hl kwb">&#64;$flags</span><span class="hl opt">)) {</span>
		    <span class="hl kwc">push</span> <span class="hl kwb">&#64;need_to_copy, $name</span><span class="hl opt">;</span>
		<span class="hl opt">}</span>
		<span class="hl kwc">my</span> <span class="hl kwb">&#64;new_flags</span> <span class="hl opt">=</span> <span class="hl kwb">&#64;$flags</span><span class="hl opt">;</span>
		<span class="hl kwa">if</span> <span class="hl opt">(</span><span class="hl kwc">my</span> <span class="hl kwb">$previous</span> <span class="hl opt">=</span> <span class="hl kwb">$flags</span><span class="hl opt">{</span><span class="hl kwb">$name</span><span class="hl opt">}) {</span>
		    <span class="hl kwc">my</span> <span class="hl kwb">&#64;common</span> <span class="hl opt">=</span> intersection<span class="hl opt">(</span><span class="hl kwb">$flags, $previous</span><span class="hl opt">);