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authorScott Ullrich <sullrich@pfsense.org>2007-02-27 16:59:54 +0000
committerScott Ullrich <sullrich@pfsense.org>2007-02-27 16:59:54 +0000
commitd44bccc7982b44096fbaab81794fccbeca405e02 (patch)
tree2f208948dd95c9cf4878eda667d0dd765570d4e1 /etc/inc/captiveportal.inc
parent23c4f9785ccd2821781d98b0c00a29812f201a0a (diff)
downloadpfsense-d44bccc7982b44096fbaab81794fccbeca405e02.zip
pfsense-d44bccc7982b44096fbaab81794fccbeca405e02.tar.gz
Sync w/ m0n0wall
Diffstat (limited to 'etc/inc/captiveportal.inc')
-rw-r--r--etc/inc/captiveportal.inc291
1 files changed, 147 insertions, 144 deletions
diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc
index 572a9c3..1b2bfca 100644
--- a/etc/inc/captiveportal.inc
+++ b/etc/inc/captiveportal.inc
@@ -181,11 +181,6 @@ EOD;
chdir($g['captiveportal_path']);
- /* TEMPORARY! FAST_CGI reports _FALSE_ client ip
- * addresses.
- */
- $use_fastcgi = false;
-
if ($config['captiveportal']['maxproc'])
$maxproc = $config['captiveportal']['maxproc'];
else
@@ -365,22 +360,30 @@ add 1305 set 1 pass tcp from $cpip 8001 to any out
EOD;
}
- $cprules .= <<<EOD
+ if (isset($config['captiveportal']['pppoeaccess'])) {
+ $cprules .= <<<EOD
+#PPPoE Discovery Stage
+add 1100 set 1 pass layer2 mac-type 0x8863
+#PPPoE Session Stage
+add 1100 set 1 pass layer2 mac-type 0x8864
-# ... 10000-19899: rules per authenticated client go here...
+EOD;
+ }
-# redirect non-authenticated clients to captive portal
-add 19900 set 1 fwd 127.0.0.1,8000 tcp from any to any 80 in
+ if (isset($config['captiveportal']['wpaaccess'])) {
+ $cprules .= <<<EOD
+# Allow WPA
+add 1100 set 1 pass layer2 mac-type 0x888e
-# --- for redir ssl
-# redirect non-authenticated clients to captive portal on ssl
-add 19901 set 1 fwd 127.0.0.1,8001 tcp from any to any 443 in
+EOD;
+ }
-# let the responses from the captive portal web server back out
-add 19902 set 1 pass tcp from any 443 to any out
+ $cprules .= <<<EOD
-# --- End redir ssl
+# ... 10000-19899: rules per authenticated client go here...
+# redirect non-authenticated clients to captive portal
+add 19902 set 1 fwd 127.0.0.1,8000 tcp from any to any 80 in
# let the responses from the captive portal web server back out
add 19903 set 1 pass tcp from any 80 to any out
# block everything else
@@ -393,7 +396,7 @@ add 29900 set 1 pass all from any to any layer2
EOD;
- return $cprules;
+ return $cprules;
}
/* remove clients that have been around for longer than the specified amount of time */
@@ -561,15 +564,16 @@ function captiveportal_disconnect($dbent, $radiusservers,$term_cause = 1,$stop_t
mwexec("/sbin/ipfw delete " . $dbent[1] . " " . ($dbent[1]+10000));
- //KEYCOM: we need to delete +40500 and +45500 as well...
- //these are the rule numbers we use to control traffic shaping for each logged in user via captive portal
- //we only need to remove our rules if peruserbw is turned on.
- if (isset($config['captiveportal']['peruserbw'])) {
- mwexec("/sbin/ipfw delete " . ($dbent[1]+40500));
- mwexec("/sbin/ipfw delete " . ($dbent[1]+45500));
- }
+ /* We need to delete +40500 and +45500 as well...
+ * these are the pipe numbers we use to control traffic shaping for each logged in user via captive portal
+ * We could get an error if the pipe doesn't exist but everything should still be fine
+ */
+ if (isset($config['captiveportal']['peruserbw'])) {
+ mwexec("/sbin/ipfw pipe " . ($dbent[1]+40500) . " delete");
+ mwexec("/sbin/ipfw pipe " . ($dbent[1]+45500) . " delete");
+ }
- /* ensure all pf states are killed (pfSense) */
+ /* pfSense: ensure all pf states are killed (pfSense) */
mwexec("pfctl -k {$dbent[2]}");
}
@@ -655,13 +659,14 @@ function captiveportal_passthrumac_configure() {
fclose($fd);
}
- /* pass through mac entries should always exist. the reason
+ /* pfSense:
+ * pass through mac entries should always exist. the reason
* for this is because we do not have native mac address filtering
- * mechanisms. this allows us to filter by mac address easily
+ * mechanisms. this allows us to filter by mac address easily
* and get around this limitation. I consider this a bug in
- * m0n0wall and pfSense as m0n0wall does not have native mac
- * filtering mechanisms as well. -Scott Ullrich
- */
+ * m0n0wall and pfSense as m0n0wall does not have native mac
+ * filtering mechanisms as well. -Scott Ullrich
+ */
if (is_array($config['captiveportal']['passthrumac'])) {
mwexec("/sbin/ipfw delete 50");
foreach($config['captiveportal']['passthrumac'] as $ptm) {
@@ -714,36 +719,36 @@ function captiveportal_allowedip_configure() {
}
foreach ($config['captiveportal']['allowedip'] as $ipent) {
+ /* get next ipfw rule number */
+ $ruleno = captiveportal_get_next_ipfw_ruleno();
- /* record allowed ip so it can be recognized and removed later */
- fwrite($fd, $ipent['ip'] . "," . $ruleno ."\n");
+ /* if the pool is empty, return apprioriate message and fail */
+ if (is_null($ruleno)) {
+ printf("Error: system reached maximum login capacity, no free FW rulenos in captiveportal_allowedip_configure().\n");
+ fclose($fd);
+ captiveportal_unlock();
+ return 1;
+ }
- /* insert ipfw rule to allow ip thru */
- if ($ipent['dir'] == "from") {
- mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any in");
- mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " out");
- } else {
- mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " in");
- mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any out");
- }
+ /* record allowed ip so it can be recognized and removed later */
+ fwrite($fd, $ipent['ip'] . "," . $ruleno ."\n");
- $ruleno++;
- if ($ruleno > 19899)
- $ruleno = 10000;
- }
+ /* insert ipfw rule to allow ip thru */
+ if ($ipent['dir'] == "from") {
+ mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any in");
+ mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " out");
+ } else {
+ mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from any to " . $ipent['ip'] . " in");
+ mwexec("/sbin/ipfw add $ruleno set 2 skipto 50000 ip from " . $ipent['ip'] . " to any out");
+ }
- fclose($fd);
+ }
- /* write next rule number */
- $fd = @fopen("{$g['vardb_path']}/captiveportal.nextrule", "w");
- if ($fd) {
- fwrite($fd, $ruleno);
- fclose($fd);
- }
- }
+ fclose($fd);
+ }
- captiveportal_unlock();
- return 0;
+ captiveportal_unlock();
+ return 0;
}
/* get last activity timestamp given ipfw rule number */
@@ -834,45 +839,45 @@ function captiveportal_logportalauth($user,$mac,$ip,$status, $message = null) {
}
function radius($username,$password,$clientip,$clientmac,$type) {
- global $g, $config;
+ global $g, $config;
- $next_ruleno = get_next_ipfw_ruleno();
- $radiusservers = captiveportal_get_radius_servers();
- $radacct_enable = isset($config['captiveportal']['radacct_enable']);
-
- $auth_list = RADIUS_AUTHENTICATION($username,
- $password,
- $radiusservers,
- $clientip,
- $clientmac,
- $next_ruleno);
-
- if ($auth_list['auth_val'] == 2) {
- captiveportal_logportalauth($username,$clientmac,$clientip,$type);
- $sessionid = portal_allow($clientip,
- $clientmac,
- $username,
- $password,
- $auth_list['session_timeout'],
- $auth_list['idle_timeout'],
- $auth_list['url_redirection'],
- $auth_list['session_terminate_time']);
-
- if ($radacct_enable) {
- $auth_list['acct_val'] = RADIUS_ACCOUNTING_START($next_ruleno,
- $username,
- $sessionid,
- $radiusservers[0]['ipaddr'],
- $radiusservers[0]['acctport'],
- $radiusservers[0]['key'],
- $clientip,
- $clientmac);
- if ($auth_list['acct_val'] == 1)
- captiveportal_logportalauth($username,$clientmac,$clientip,$type,"RADIUS ACCOUNTING FAILED");
- }
- }
+ /* Start locking from the beginning of an authentication session */
+ captiveportal_lock();
+
+ $ruleno = captiveportal_get_next_ipfw_ruleno();
+
+ /* if the pool is empty, return apprioriate message and fail authentication */
+ if (is_null($ruleno)) {
+ $auth_list = array();
+ $auth_list['auth_val'] = 1;
+ $auth_list['error'] = "System reached maximum login capacity";
+ captiveportal_unlock();
+ return $auth_list;
+ }
+
+ $radiusservers = captiveportal_get_radius_servers();
+
+ $auth_list = RADIUS_AUTHENTICATION($username,
+ $password,
+ $radiusservers,
+ $clientip,
+ $clientmac,
+ $ruleno);
+
+ if ($auth_list['auth_val'] == 2) {
+ captiveportal_logportalauth($username,$clientmac,$clientip,$type);
+ $sessionid = portal_allow($clientip,
+ $clientmac,
+ $username,
+ $password,
+ $auth_list,
+ $ruleno);
+ }
+ else {
+ captiveportal_unlock();
+ }
- return $auth_list;
+ return $auth_list;
}
@@ -897,79 +902,77 @@ function captiveportal_read_db() {
/* write captive portal DB */
function captiveportal_write_db($cpdb) {
-
+
global $g;
-
+
$fd = @fopen("{$g['vardb_path']}/captiveportal.db", "w");
- if ($fd) {
+ if ($fd) {
foreach ($cpdb as $cpent) {
fwrite($fd, join(",", $cpent) . "\n");
- }
+ }
fclose($fd);
- }
+ }
}
function captiveportal_write_elements() {
- global $g, $config;
-
- /* delete any existing elements */
- if (is_dir($g['captiveportal_element_path'])) {
- $dh = opendir($g['captiveportal_element_path']);
- while (($file = readdir($dh)) !== false) {
- if ($file != "." && $file != "..")
- unlink($g['captiveportal_element_path'] . "/" . $file);
- }
- closedir($dh);
- } else {
- mkdir($g['captiveportal_element_path']);
- }
-
- if (is_array($config['captiveportal']['element'])) {
- conf_mount_rw();
- foreach ($config['captiveportal']['element'] as $data) {
- $fd = @fopen($g['captiveportal_element_path'] . '/' . $data['name'], "wb");
- if (!$fd) {
- printf("Error: cannot open '{$data['name']}' in captiveportal_write_elements().\n");
- return 1;
- }
- $decoded = base64_decode($data['content']);
- fwrite($fd,$decoded);
- fclose($fd);
- unlink_if_exists("{$g['captiveportal_path']}/{$data['name']}");
- unlink_if_exists("{$g['captiveportal_path']}/{$data['name']}");
- mwexec("cd {$g['captiveportal_path']}/ && ln -s {$g['captiveportal_element_path']}/{$data['name']} {$data['name']}");
- }
- conf_mount_ro();
- }
-
- return 0;
+ global $g, $config;
+
+ /* delete any existing elements */
+ if (is_dir($g['captiveportal_element_path'])) {
+ $dh = opendir($g['captiveportal_element_path']);
+ while (($file = readdir($dh)) !== false) {
+ if ($file != "." && $file != "..")
+ unlink($g['captiveportal_element_path'] . "/" . $file);
+ }
+ closedir($dh);
+ } else {
+ mkdir($g['captiveportal_element_path']);
+ }
+
+ if (is_array($config['captiveportal']['element'])) {
+
+ foreach ($config['captiveportal']['element'] as $data) {
+ $fd = @fopen($g['captiveportal_element_path'] . '/' . $data['name'], "wb");
+ if (!$fd) {
+ printf("Error: cannot open '{$data['name']}' in captiveportal_write_elements().\n");
+ return 1;
+ }
+ $decoded = base64_decode($data['content']);
+ fwrite($fd,$decoded);
+ fclose($fd);
+ }
+ }
+
+ return 0;
}
-/*
+
+/**
* This function will calculate the lowest free firewall ruleno
* within the range specified based on the actual installed rules
*
*/
-function get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {
+function captiveportal_get_next_ipfw_ruleno($rulenos_start = 10000, $rulenos_range_max = 9899) {
$fwrules = "";
$matches = "";
- exec("/sbin/ipfw show", $fwrules);
- foreach ($fwrules as $fwrule) {
- preg_match("/^(\d+)\s+/", $fwrule, $matches);
- $rulenos_used[] = $matches[1];
- }
- $rulenos_used = array_unique($rulenos_used);
- $rulenos_range = count($rulenos_used);
- if ($rulenos_range > $rulenos_range_max) {
- return NULL;
- }
- $rulenos_pool = range($rulenos_start, ($rulenos_start + $rulenos_range));
- $rulenos_free = array_diff($rulenos_pool, $rulenos_used);
- $ruleno = array_shift($rulenos_free);
- return $ruleno;
+ exec("/sbin/ipfw show", $fwrules);
+ foreach ($fwrules as $fwrule) {
+ preg_match("/^(\d+)\s+/", $fwrule, $matches);
+ $rulenos_used[] = $matches[1];
+ }
+ $rulenos_used = array_unique($rulenos_used);
+ $rulenos_range = count($rulenos_used);
+ if ($rulenos_range > $rulenos_range_max) {
+ return NULL;
+ }
+ $rulenos_pool = range($rulenos_start, ($rulenos_start + $rulenos_range));
+ $rulenos_free = array_diff($rulenos_pool, $rulenos_used);
+ $ruleno = array_shift($rulenos_free);
+
+ return $ruleno;
}
/*
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