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-rw-r--r--perl-install/network/wireless.pm117
1 files changed, 72 insertions, 45 deletions
diff --git a/perl-install/network/wireless.pm b/perl-install/network/wireless.pm
index d6cf9a6d6..460029297 100644
--- a/perl-install/network/wireless.pm
+++ b/perl-install/network/wireless.pm
@@ -3,6 +3,8 @@ package network::wireless;
use strict;
use common;
+my $wpa_supplicant_conf = "/etc/wpa_supplicant.conf";
+
sub convert_wep_key_for_iwconfig {
#- 5 or 13 characters, consider the key as ASCII and prepend "s:"
#- else consider the key as hexadecimal, do not strip dashes
@@ -94,79 +96,104 @@ sub wpa_supplicant_get_driver {
"wext";
}
-sub wpa_supplicant_configure {
+sub wpa_supplicant_add_network_simple {
my ($essid, $key) = @_;
- wpa_supplicant_add_network({
- ssid => qq("$essid"),
- psk => convert_key_for_wpa_supplicant($key),
- scan_ssid => 1,
- });
+ my $conf = wpa_supplicant_read_conf();
+ push @$conf, {
+ ssid => qq("$essid"),
+ psk => convert_key_for_wpa_supplicant($key),
+ scan_ssid => 1,
+ };
+ wpa_supplicant_write_conf($conf);
+}
+
+sub wpa_supplicant_read_conf() {
+ my @conf;
+ my $network;
+ foreach (cat_($::prefix . $wpa_supplicant_conf)) {
+ if ($network) {
+ #- in a "network = {}" block
+ if (/^\s*(\w+)=(.*?)(?:\s*#.*)?$/) {
+ $network->{$1} = $2;
+ } elsif (/^\}/) {
+ #- end of network block
+ push @conf, $network;
+ undef $network;
+ }
+ } elsif (/^\s*network={/) {
+ #- beginning of a new network block
+ $network = {};
+ }
+ }
+ \@conf;
}
-sub wpa_supplicant_add_network {
- my ($new_network) = @_;
- my $wpa_supplicant_conf = "$::prefix/etc/wpa_supplicant.conf";
- my $s;
- my %network;
- foreach (cat_($wpa_supplicant_conf)) {
- if (%network) {
+sub wpa_supplicant_write_conf {
+ my ($conf) = @_;
+ my $buf;
+ my @conf = @$conf;
+ my $network;
+ foreach (cat_($::prefix . $wpa_supplicant_conf)) {
+ if ($network) {
#- in a "network = {}" block
- if (/^\s*(\w+)=(.*?)(\s*#.*)?$/) {
- push @{$network{entries}}, { key => $1, value => $2, comment => $3 };
- $1 eq 'ssid' and $network{ssid} = $2;
+ if (/^\s*(\w+)=(.*)$/) {
+ push @{$network->{entries}}, { key => $1, value => $2 };
+ member($1, qw(ssid bssid)) and $network->{$1} = $2;
} elsif (/^\}/) {
#- end of network block, write it
- $s .= "network={$network{comment}\n";
- my $update = $network{ssid} eq $new_network->{ssid};
- foreach (@{$network{entries}}) {
+ $buf .= "network={$network->{comment}\n";
+
+ my $new_network = find {
+ my $current = $_;
+ any { exists $network->{$_} && $network->{$_} eq $current->{$_} } qw(ssid bssid)
+ } @conf;
+
+ foreach (@{$network->{entries}}) {
my $key = $_->{key};
- if ($update) {
+ if ($new_network) {
#- do not write entry if not provided in the new network
exists $new_network->{$key} or next;
#- update value from the new network
$_->{value} = delete $new_network->{$key};
}
- if ($key) {
- $s .= " $key=$_->{value}$_->{comment}\n";
- } else {
- $s .= " $_->{comment}\n";
- }
+ $buf .= " ";
+ $buf .= "$key=$_->{value}" if $key;
+ $buf .= "$_->{comment}\n";
}
- if ($update) {
+ if ($new_network) {
+ #- write new keys
while (my ($key, $value) = each(%$new_network)) {
- $s .= " $key=$value\n";
+ $buf .= " $key=$value\n";
}
}
- $s .= "}\n";
- undef %network;
- $update and undef $new_network;
+ $buf .= "}\n";
+ $new_network and @conf = grep { $_ != $new_network } @conf;;
+ undef $network;
} else {
#- unrecognized, keep it anyway
- push @{$network{entries}}, { comment => $_ };
+ push @{$network->{entries}}, { comment => $_ };
}
} else {
- if (/^\s*network={(.*)/) {
+ if (/^\s*network={/) {
#- beginning of a new network block
- $network{comment} = $1;
+ $network = {};
} else {
#- keep other options, comments
- $s .= $_;
+ $buf .= $_;
}
}
}
- if ($new_network) {
- #- network wasn't found, write it
- $s .= "\nnetwork={\n";
- #- write ssid first
- if (my $ssid = delete $new_network->{ssid}) {
- $s .= " ssid=$ssid\n";
- }
- while (my ($key, $value) = each(%$new_network)) {
- $s .= " $key=$value\n";
+
+ #- write remaining networks
+ foreach (@conf) {
+ $buf .= "\nnetwork={\n";
+ while (my ($key, $value) = each(%$_)) {
+ $buf .= " $key=$value\n";
}
- $s .= "}\n";
+ $buf .= "}\n";
}
- output($wpa_supplicant_conf, $s);
+
+ output($wpa_supplicant_conf, $buf);
#- hide keys for non-root users
chmod 0600, $wpa_supplicant_conf;
}