Selectively enable PT-TLS and/or RADIUS sockets in tnc-pdp plugin

This commit is contained in:
Andreas Steffen 2013-08-26 20:36:07 +02:00
parent 9455f8b386
commit 0d9e375193
2 changed files with 102 additions and 77 deletions

View File

@ -712,9 +712,15 @@ Path to X.509 certificate file of IF-MAP server
.BR charon.plugins.tnc-ifmap.username_password
Credentials of IF-MAP client of the form username:password
.TP
.BR charon.plugins.tnc-pdp.pt_tls.enable " [yes]"
Enable PT-TLS protocol on the strongSwan PDP
.TP
.BR charon.plugins.tnc-pdp.pt_tls.port " [271]"
PT-TLS server port the strongSwan PDP is listening on
.TP
.BR charon.plugins.tnc-pdp.radius.enable " [yes]"
Enable RADIUS protocol on the strongSwan PDP
.TP
.BR charon.plugins.tnc-pdp.radius.method " [ttls]"
EAP tunnel method to be used
.TP

View File

@ -750,11 +750,16 @@ tnc_pdp_t *tnc_pdp_create(void)
private_tnc_pdp_t *this;
char *secret, *server, *eap_type_str;
int radius_port, pt_tls_port;
bool radius_enable, pt_tls_enable;
server = lib->settings->get_str(lib->settings,
"%s.plugins.tnc-pdp.server", NULL, charon->name);
pt_tls_enable = lib->settings->get_bool(lib->settings,
"%s.plugins.tnc-pdp.pt_tls.enable", TRUE, charon->name);
pt_tls_port = lib->settings->get_int(lib->settings,
"%s.plugins.tnc-pdp.pt_tls.port", PT_TLS_PORT, charon->name);
radius_enable = lib->settings->get_bool(lib->settings,
"%s.plugins.tnc-pdp.radius.enable", TRUE, charon->name);
radius_port = lib->settings->get_int(lib->settings,
"%s.plugins.tnc-pdp.radius.port", RADIUS_PORT, charon->name);
secret = lib->settings->get_str(lib->settings,
@ -762,106 +767,120 @@ tnc_pdp_t *tnc_pdp_create(void)
eap_type_str = lib->settings->get_str(lib->settings,
"%s.plugins.tnc-pdp.radius.method", "ttls", charon->name);
if (!pt_tls_enable && !radius_enable)
{
DBG1(DBG_CFG, " neither PT-TLS and RADIUS protocols enabled, PDP disabled");
return NULL;
}
if (!server)
{
DBG1(DBG_CFG, "missing PDP server name, PDP disabled");
return NULL;
}
if (!secret)
{
DBG1(DBG_CFG, "missing RADIUS secret, PDP disabled");
return NULL;
}
INIT(this,
.public = {
.destroy = _destroy,
},
.server = identification_create_from_string(server),
.pt_tls_ipv4 = open_tcp_socket(AF_INET, pt_tls_port),
.pt_tls_ipv6 = open_tcp_socket(AF_INET6, pt_tls_port),
.radius_ipv4 = open_udp_socket(AF_INET, radius_port),
.radius_ipv6 = open_udp_socket(AF_INET6, radius_port),
.secret = chunk_from_str(secret),
.type = eap_type_from_string(eap_type_str),
.hasher = lib->crypto->create_hasher(lib->crypto, HASH_MD5),
.signer = lib->crypto->create_signer(lib->crypto, AUTH_HMAC_MD5_128),
.ng = lib->crypto->create_nonce_gen(lib->crypto),
.connections = tnc_pdp_connections_create(),
);
if (!this->pt_tls_ipv4 && !this->pt_tls_ipv6)
/* Create IPv4 and IPv6 PT-TLS listening sockets */
if (pt_tls_enable)
{
DBG1(DBG_NET, "could not create any PT-TLS sockets");
destroy(this);
return NULL;
}
if (this->pt_tls_ipv4)
{
lib->watcher->add(lib->watcher, this->pt_tls_ipv4, WATCHER_READ,
(watcher_cb_t)pt_tls_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv4 PT-TLS socket, IPv4 disabled");
}
if (this->pt_tls_ipv6)
{
lib->watcher->add(lib->watcher, this->pt_tls_ipv6, WATCHER_READ,
(watcher_cb_t)pt_tls_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv6 PT-TLS socket, IPv6 disabled");
this->pt_tls_ipv4 = open_tcp_socket(AF_INET, pt_tls_port);
this->pt_tls_ipv6 = open_tcp_socket(AF_INET6, pt_tls_port);
if (!this->pt_tls_ipv4 && !this->pt_tls_ipv6)
{
DBG1(DBG_NET, "could not create any PT-TLS sockets");
destroy(this);
return NULL;
}
if (this->pt_tls_ipv4)
{
lib->watcher->add(lib->watcher, this->pt_tls_ipv4, WATCHER_READ,
(watcher_cb_t)pt_tls_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv4 PT-TLS socket, IPv4 disabled");
}
if (this->pt_tls_ipv6)
{
lib->watcher->add(lib->watcher, this->pt_tls_ipv6, WATCHER_READ,
(watcher_cb_t)pt_tls_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv6 PT-TLS socket, IPv6 disabled");
}
}
if (!this->hasher || !this->signer || !this->ng)
/* Create IPv4 and IPv6 RADIUS listening sockets */
if (radius_enable)
{
DBG1(DBG_CFG, "RADIUS initialization failed, HMAC/MD5/NG required");
destroy(this);
return NULL;
}
if (!secret)
{
DBG1(DBG_CFG, "missing RADIUS secret, PDP disabled");
destroy(this);
return NULL;
}
if (!this->radius_ipv4 && !this->radius_ipv6)
{
DBG1(DBG_NET, "could not create any RADIUS sockets");
destroy(this);
return NULL;
}
if (this->radius_ipv4)
{
lib->watcher->add(lib->watcher, this->radius_ipv4, WATCHER_READ,
(watcher_cb_t)radius_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv4 RADIUS socket, IPv4 disabled");
}
if (this->radius_ipv6)
this->radius_ipv4 = open_udp_socket(AF_INET, radius_port);
this->radius_ipv6 = open_udp_socket(AF_INET6, radius_port);
this->secret = chunk_from_str(secret);
this->type = eap_type_from_string(eap_type_str);
this->hasher = lib->crypto->create_hasher(lib->crypto, HASH_MD5);
this->signer = lib->crypto->create_signer(lib->crypto, AUTH_HMAC_MD5_128);
this->ng = lib->crypto->create_nonce_gen(lib->crypto);
{
lib->watcher->add(lib->watcher, this->radius_ipv6, WATCHER_READ,
(watcher_cb_t)radius_receive, this);
}
else
{
if (!this->hasher || !this->signer || !this->ng)
{
DBG1(DBG_CFG, "RADIUS initialization failed, HMAC/MD5/NG required");
destroy(this);
return NULL;
}
if (!this->radius_ipv4 && !this->radius_ipv6)
{
DBG1(DBG_NET, "could not create any RADIUS sockets");
destroy(this);
return NULL;
}
if (this->radius_ipv4)
{
lib->watcher->add(lib->watcher, this->radius_ipv4, WATCHER_READ,
(watcher_cb_t)radius_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv4 RADIUS socket, IPv4 disabled");
}
if (this->radius_ipv6)
{
lib->watcher->add(lib->watcher, this->radius_ipv6, WATCHER_READ,
(watcher_cb_t)radius_receive, this);
}
else
{
DBG1(DBG_NET, "could not open IPv6 RADIUS socket, IPv6 disabled");
}
}
if (!this->signer->set_key(this->signer, this->secret))
{
DBG1(DBG_CFG, "could not set signer key");
destroy(this);
return NULL;
if (!this->signer->set_key(this->signer, this->secret))
{
DBG1(DBG_CFG, "could not set signer key");
destroy(this);
return NULL;
}
if (this->type == 0)
{
DBG1(DBG_CFG, "unrecognized eap method \"%s\"", eap_type_str);
destroy(this);
return NULL;
}
DBG1(DBG_IKE, "eap method %N selected", eap_type_names, this->type);
}
if (this->type == 0)
{
DBG1(DBG_CFG, "unrecognized eap method \"%s\"", eap_type_str);
destroy(this);
return NULL;
}
DBG1(DBG_IKE, "eap method %N selected", eap_type_names, this->type);
return &this->public;
}