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package network::squid;
use strict;
use common;
our $squid_conf_file = "$::prefix/etc/squid/squid.conf";
sub read_squid_conf {
my ($o_file) = @_;
my $s = cat_($o_file || $squid_conf_file);
{ http_port => [ $s =~ /^\s*http_port\s+(?:\S+:)?(\d+)\b/mg ],
cache_size => [ if_($s =~ /^\s*cache_dir diskd\s+(.*)/mg, split(' ', $1)) ],
admin_mail => [ if_($s =~ /^\s*err_html_text\s+(.*)/mg, split(' ', $1)) ] };
}
sub write_squid_conf {
my ($squid_conf, $intf, $internal_domain_name) = @_;
renamef($squid_conf_file, "$squid_conf_file.old");
my $prefix = network::network::netmask_to_vlsm($intf->{NETMASK});
output($squid_conf_file, qq(
http_port $squid_conf->{http_port}[0] transparent
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \\?
no_cache deny QUERY
cache_dir diskd /var/spool/squid $squid_conf->{cache_size}[1] 16 256
cache_store_log none
auth_param basic children 5
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 2 hours
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320
half_closed_clients off
acl manager proto cache_object
acl localhost src 127.0.0.0/8
acl to_localhost dst 127.0.0.0/8
acl localnet src 10.0.0.0/8 # RFC1918 possible internal network
acl localnet src 172.16.0.0/12 # RFC1918 possible internal network
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access deny to_localhost
acl mynetwork src $intf->{NETWORK}/$prefix
http_access allow mynetwork
http_access allow localnet
http_access allow localhost
http_reply_access allow all
icp_access allow all
visible_hostname $squid_conf->{visible_hostname}[0]
append_domain .$internal_domain_name
err_html_text $squid_conf->{admin_mail}[0]
deny_info ERR_CUSTOM_ACCESS_DENIED all
memory_pools off
coredump_dir /var/spool/squid
ie_refresh on
)) if !$::testing;
}
1;
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