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authorRene Mayrhofer <rene@mayrhofer.eu.org>2007-10-26 14:24:26 +0000
committerRene Mayrhofer <rene@mayrhofer.eu.org>2007-10-26 14:24:26 +0000
commit3168dc628f034e03bb4fab16e8a00da59a5c86e1 (patch)
tree663da4d1badc1373ec59d9bdc39f893af0cc8a75 /src/charon/control
parent1a144d57c8f2f08513b747078d185db688637859 (diff)
downloadvyos-strongswan-3168dc628f034e03bb4fab16e8a00da59a5c86e1.tar.gz
vyos-strongswan-3168dc628f034e03bb4fab16e8a00da59a5c86e1.zip
- Import new upstream release 4.1.8.
Diffstat (limited to 'src/charon/control')
-rw-r--r--src/charon/control/interface_manager.c15
-rw-r--r--src/charon/control/interface_manager.h14
-rw-r--r--src/charon/control/interfaces/dbus_interface.c55
-rwxr-xr-xsrc/charon/control/interfaces/stroke_interface.c204
-rw-r--r--src/charon/control/interfaces/xml_interface.c396
5 files changed, 492 insertions, 192 deletions
diff --git a/src/charon/control/interface_manager.c b/src/charon/control/interface_manager.c
index 700174c5b..c71036567 100644
--- a/src/charon/control/interface_manager.c
+++ b/src/charon/control/interface_manager.c
@@ -290,6 +290,13 @@ static status_t initiate(private_interface_manager_t *this,
}
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
+ if (callback == NULL)
+ {
+ /* don't wait for a result if no callback is specified */
+ charon->bus->set_listen_state(charon->bus, FALSE);
+ return NEED_MORE;
+ }
+
/* wait until we get a result */
while (TRUE)
{
@@ -669,6 +676,14 @@ static void load_interfaces(private_interface_manager_t *this)
closedir(dir);
}
+/**
+ * See header
+ */
+bool interface_manager_cb_empty(void *param, signal_t signal, level_t level,
+ ike_sa_t *ike_sa, char *format, va_list args)
+{
+ return TRUE;
+}
/**
* Implementation of stroke_t.destroy.
diff --git a/src/charon/control/interface_manager.h b/src/charon/control/interface_manager.h
index 06a5fe6c4..3ee1f0e39 100644
--- a/src/charon/control/interface_manager.h
+++ b/src/charon/control/interface_manager.h
@@ -40,6 +40,15 @@
typedef bool(*interface_manager_cb_t)(void* param, signal_t signal, level_t level,
ike_sa_t* ike_sa, char* format, va_list args);
+/**
+ * @brief Empty callback function for interface_manager_t functions.
+ *
+ * If you wan't to do a syncrhonous call, but don't need a callback, pass
+ * this function to the interface_managers methods.
+ */
+bool interface_manager_cb_empty(void *param, signal_t signal, level_t level,
+ ike_sa_t *ike_sa, char *format, va_list args);
+
typedef struct interface_manager_t interface_manager_t;
/**
@@ -62,6 +71,11 @@ typedef struct interface_manager_t interface_manager_t;
* use the manager to fullfill their tasks (initiating, terminating, ...).
* The interface_manager starts actions by creating jobs. It then tries to
* evaluate the result of the operation by listening on the bus.
+ *
+ * Passing NULL as callback to the managers function calls them asynchronously.
+ * If a callback is specified, they are called synchronoulsy. There is a default
+ * callback "interface_manager_cb_empty" if you wan't to call a function
+ * synchronously, but don't need a callback.
*
* @b Constructors:
* - interface_manager_create()
diff --git a/src/charon/control/interfaces/dbus_interface.c b/src/charon/control/interfaces/dbus_interface.c
index d93a5d048..39226aaef 100644
--- a/src/charon/control/interfaces/dbus_interface.c
+++ b/src/charon/control/interfaces/dbus_interface.c
@@ -118,55 +118,6 @@ static child_cfg_t* get_child_from_peer(peer_cfg_t *peer_cfg, char *name)
return found;
}
-/**
- * get a peer configuration by its name, or a name of its children
- */
-static peer_cfg_t *get_peer_cfg_by_name(char *name)
-{
- iterator_t *i1, *i2;
- peer_cfg_t *current, *found = NULL;
- child_cfg_t *child;
-
- i1 = charon->backends->create_iterator(charon->backends);
- while (i1->iterate(i1, (void**)&current))
- {
- /* compare peer_cfgs name first */
- if (streq(current->get_name(current), name))
- {
- found = current;
- found->get_ref(found);
- break;
- }
- /* compare all child_cfg names otherwise */
- i2 = current->create_child_cfg_iterator(current);
- while (i2->iterate(i2, (void**)&child))
- {
- if (streq(child->get_name(child), name))
- {
- found = current;
- found->get_ref(found);
- break;
- }
- }
- i2->destroy(i2);
- if (found)
- {
- break;
- }
- }
- i1->destroy(i1);
- return found;
-}
-
-/**
- * logging dummy
- */
-static bool dbus_log(void *param, signal_t signal, level_t level,
- ike_sa_t *ike_sa, char *format, va_list args)
-{
- return TRUE;
-}
-
/**
* process NetworkManagers startConnection method call
@@ -197,7 +148,7 @@ static bool start_connection(private_dbus_interface_t *this, DBusMessage* msg)
}
set_state(this, NM_VPN_STATE_STARTING);
- peer_cfg = get_peer_cfg_by_name(name);
+ peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, name);
if (peer_cfg)
{
free(this->name);
@@ -205,8 +156,8 @@ static bool start_connection(private_dbus_interface_t *this, DBusMessage* msg)
child_cfg = get_child_from_peer(peer_cfg, name);
if (child_cfg)
{
- status = charon->interfaces->initiate(charon->interfaces, peer_cfg,
- child_cfg, dbus_log, NULL);
+ status = charon->interfaces->initiate(charon->interfaces,
+ peer_cfg, child_cfg, interface_manager_cb_empty, NULL);
}
else
{
diff --git a/src/charon/control/interfaces/stroke_interface.c b/src/charon/control/interfaces/stroke_interface.c
index 7885fc2e6..66ed423ae 100755
--- a/src/charon/control/interfaces/stroke_interface.c
+++ b/src/charon/control/interfaces/stroke_interface.c
@@ -6,6 +6,7 @@
*/
/*
+ * Copyright (C) 2007 Tobias Brunner
* Copyright (C) 2006-2007 Martin Willi
* Hochschule fuer Technik Rapperswil
*
@@ -38,6 +39,8 @@
#include <stroke.h>
#include <daemon.h>
#include <crypto/x509.h>
+#include <crypto/ietf_attr_list.h>
+#include <crypto/ac.h>
#include <crypto/ca.h>
#include <crypto/crl.h>
#include <control/interface_manager.h>
@@ -49,9 +52,6 @@
#define PATH_BUF 256
#define STROKE_THREADS 3
-struct sockaddr_un socket_addr = { AF_UNIX, STROKE_SOCKET};
-
-
typedef struct private_stroke_interface_t private_stroke_interface_t;
/**
@@ -229,14 +229,18 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
{
ike_cfg_t *ike_cfg;
peer_cfg_t *peer_cfg;
+ peer_cfg_t *mediated_by_cfg = NULL;
child_cfg_t *child_cfg;
identification_t *my_id, *other_id;
identification_t *my_ca = NULL;
identification_t *other_ca = NULL;
+ identification_t *peer_id = NULL;
bool my_ca_same = FALSE;
bool other_ca_same =FALSE;
host_t *my_host, *other_host, *my_subnet, *other_subnet;
host_t *my_vip = NULL, *other_vip = NULL;
+ linked_list_t *my_groups = linked_list_create();
+ linked_list_t *other_groups = linked_list_create();
proposal_t *proposal;
traffic_selector_t *my_ts, *other_ts;
char *interface;
@@ -252,7 +256,12 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
pop_string(msg, &msg->add_conn.algorithms.esp);
DBG2(DBG_CFG, " ike=%s", msg->add_conn.algorithms.ike);
DBG2(DBG_CFG, " esp=%s", msg->add_conn.algorithms.esp);
-
+ pop_string(msg, &msg->add_conn.p2p.mediated_by);
+ pop_string(msg, &msg->add_conn.p2p.peerid);
+ DBG2(DBG_CFG, " p2p_mediation=%s", msg->add_conn.p2p.mediation ? "yes" : "no");
+ DBG2(DBG_CFG, " p2p_mediated_by=%s", msg->add_conn.p2p.mediated_by);
+ DBG2(DBG_CFG, " p2p_peerid=%s", msg->add_conn.p2p.peerid);
+
my_host = msg->add_conn.me.address?
host_create_from_string(msg->add_conn.me.address, IKE_PORT) : NULL;
if (my_host == NULL)
@@ -319,6 +328,49 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
goto destroy_hosts;
}
+#ifdef P2P
+ if (msg->add_conn.p2p.mediation && msg->add_conn.p2p.mediated_by)
+ {
+ DBG1(DBG_CFG, "a mediation connection cannot be a"
+ " mediated connection at the same time, aborting");
+ goto destroy_ids;
+ }
+
+ if (msg->add_conn.p2p.mediated_by)
+ {
+ mediated_by_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, msg->add_conn.p2p.mediated_by);
+ if (!mediated_by_cfg)
+ {
+ DBG1(DBG_CFG, "mediation connection '%s' not found, aborting",
+ msg->add_conn.p2p.mediated_by);
+ goto destroy_ids;
+ }
+
+ if (!mediated_by_cfg->is_mediation(mediated_by_cfg))
+ {
+ DBG1(DBG_CFG, "connection '%s' as referred to by '%s' is"
+ "no mediation connection, aborting",
+ msg->add_conn.p2p.mediated_by, msg->add_conn.name);
+ goto destroy_ids;
+ }
+ }
+
+ if (msg->add_conn.p2p.peerid)
+ {
+ peer_id = identification_create_from_string(msg->add_conn.p2p.peerid);
+ if (!peer_id)
+ {
+ DBG1(DBG_CFG, "invalid peer ID: %s\n", msg->add_conn.p2p.peerid);
+ goto destroy_ids;
+ }
+ }
+ else
+#endif /* P2P */
+ {
+ // no peer ID supplied, assume right ID
+ peer_id = other_id->clone(other_id);
+ }
+
my_subnet = host_create_from_string(msg->add_conn.me.subnet ?
msg->add_conn.me.subnet : msg->add_conn.me.address, IKE_PORT);
if (my_subnet == NULL)
@@ -336,11 +388,11 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
goto destroy_ids;
}
- if (msg->add_conn.me.virtual_ip)
+ if (msg->add_conn.me.virtual_ip && msg->add_conn.me.sourceip)
{
my_vip = host_create_from_string(msg->add_conn.me.sourceip, 0);
}
- if (msg->add_conn.other.virtual_ip)
+ if (msg->add_conn.other.virtual_ip && msg->add_conn.other.sourceip)
{
other_vip = host_create_from_string(msg->add_conn.other.sourceip, 0);
}
@@ -474,6 +526,11 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
DBG2(DBG_CFG, " my ca: '%D'", my_ca);
DBG2(DBG_CFG, " other ca:'%D'", other_ca);
+ if (msg->add_conn.other.groups)
+ {
+ ietfAttr_list_create_from_string(msg->add_conn.other.groups, other_groups);
+ }
+
/* have a look for an (almost) identical peer config to reuse */
iterator = charon->backends->create_iterator(charon->backends);
while (iterator->iterate(iterator, (void**)&peer_cfg))
@@ -484,6 +541,7 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
&& my_host->equals(my_host, ike_cfg->get_my_host(ike_cfg))
&& other_host->equals(other_host, ike_cfg->get_other_host(ike_cfg))
&& other_ca->equals(other_ca, peer_cfg->get_other_ca(peer_cfg))
+ && ietfAttr_list_equals(other_groups, peer_cfg->get_groups(peer_cfg))
&& peer_cfg->get_ike_version(peer_cfg) == (msg->add_conn.ikev2 ? 2 : 1)
&& peer_cfg->get_auth_method(peer_cfg) == msg->add_conn.auth_method
&& peer_cfg->get_eap_type(peer_cfg) == msg->add_conn.eap_type)
@@ -506,11 +564,15 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
other_host->destroy(other_host);
other_id->destroy(other_id);
other_ca->destroy(other_ca);
+ peer_id->destroy(peer_id);
+ DESTROY_IF(mediated_by_cfg);
+ ietfAttr_list_destroy(my_groups);
+ ietfAttr_list_destroy(other_groups);
}
else
{
ike_cfg = ike_cfg_create(msg->add_conn.other.sendcert != CERT_NEVER_SEND,
- my_host, other_host);
+ msg->add_conn.force_encap, my_host, other_host);
if (msg->add_conn.algorithms.ike)
{
@@ -553,13 +615,15 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
peer_cfg = peer_cfg_create(msg->add_conn.name, msg->add_conn.ikev2 ? 2 : 1,
- ike_cfg, my_id, other_id, my_ca, other_ca, msg->add_conn.me.sendcert,
+ ike_cfg, my_id, other_id, my_ca, other_ca, other_groups,
+ msg->add_conn.me.sendcert,
msg->add_conn.auth_method, msg->add_conn.eap_type,
msg->add_conn.rekey.tries, msg->add_conn.rekey.ike_lifetime,
msg->add_conn.rekey.ike_lifetime - msg->add_conn.rekey.margin,
msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100,
- msg->add_conn.rekey.reauth, msg->add_conn.dpd.delay,
- msg->add_conn.dpd.action,my_vip, other_vip);
+ msg->add_conn.rekey.reauth, msg->add_conn.mobike,
+ msg->add_conn.dpd.delay, msg->add_conn.dpd.action, my_vip, other_vip,
+ msg->add_conn.p2p.mediation, mediated_by_cfg, peer_id);
}
child_cfg = child_cfg_create(
@@ -621,6 +685,8 @@ static void stroke_add_conn(stroke_msg_t *msg, FILE *out)
destroy_ids:
my_id->destroy(my_id);
other_id->destroy(other_id);
+ DESTROY_IF(mediated_by_cfg);
+ DESTROY_IF(peer_id);
destroy_hosts:
my_host->destroy(my_host);
@@ -633,7 +699,8 @@ destroy_hosts:
static void stroke_del_conn(stroke_msg_t *msg, FILE *out)
{
iterator_t *peer_iter, *child_iter;
- peer_cfg_t *peer, *child;
+ peer_cfg_t *peer;
+ child_cfg_t *child;
pop_string(msg, &(msg->del_conn.name));
DBG1(DBG_CFG, "received stroke: delete connection '%s'", msg->del_conn.name);
@@ -706,46 +773,6 @@ static bool stroke_log(stroke_log_info_t *info, signal_t signal, level_t level,
}
/**
- * get a peer configuration by its name, or a name of its children
- */
-static peer_cfg_t *get_peer_cfg_by_name(char *name)
-{
- iterator_t *i1, *i2;
- peer_cfg_t *current, *found = NULL;
- child_cfg_t *child;
-
- i1 = charon->backends->create_iterator(charon->backends);
- while (i1->iterate(i1, (void**)&current))
- {
- /* compare peer_cfgs name first */
- if (streq(current->get_name(current), name))
- {
- found = current;
- found->get_ref(found);
- break;
- }
- /* compare all child_cfg names otherwise */
- i2 = current->create_child_cfg_iterator(current);
- while (i2->iterate(i2, (void**)&child))
- {
- if (streq(child->get_name(child), name))
- {
- found = current;
- found->get_ref(found);
- break;
- }
- }
- i2->destroy(i2);
- if (found)
- {
- break;
- }
- }
- i1->destroy(i1);
- return found;
-}
-
-/**
* initiate a connection by name
*/
static void stroke_initiate(stroke_msg_t *msg, FILE *out)
@@ -757,7 +784,8 @@ static void stroke_initiate(stroke_msg_t *msg, FILE *out)
pop_string(msg, &(msg->initiate.name));
DBG1(DBG_CFG, "received stroke: initiate '%s'", msg->initiate.name);
- peer_cfg = get_peer_cfg_by_name(msg->initiate.name);
+ peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
+ msg->initiate.name);
if (peer_cfg == NULL)
{
fprintf(out, "no config named '%s'\n", msg->initiate.name);
@@ -779,10 +807,18 @@ static void stroke_initiate(stroke_msg_t *msg, FILE *out)
return;
}
- info.out = out;
- info.level = msg->output_verbosity;
- charon->interfaces->initiate(charon->interfaces, peer_cfg, child_cfg,
- (interface_manager_cb_t)stroke_log, &info);
+ if (msg->output_verbosity < 0)
+ {
+ charon->interfaces->initiate(charon->interfaces, peer_cfg, child_cfg,
+ NULL, NULL);
+ }
+ else
+ {
+ info.out = out;
+ info.level = msg->output_verbosity;
+ charon->interfaces->initiate(charon->interfaces, peer_cfg, child_cfg,
+ (interface_manager_cb_t)stroke_log, &info);
+ }
}
/**
@@ -797,7 +833,8 @@ static void stroke_route(stroke_msg_t *msg, FILE *out)
pop_string(msg, &(msg->route.name));
DBG1(DBG_CFG, "received stroke: route '%s'", msg->route.name);
- peer_cfg = get_peer_cfg_by_name(msg->route.name);
+ peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
+ msg->route.name);
if (peer_cfg == NULL)
{
fprintf(out, "no config named '%s'\n", msg->route.name);
@@ -1079,10 +1116,10 @@ static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all)
if (all)
{
- fprintf(out, "%12s[%d]: IKE SPIs: 0x%0llx_i%s 0x%0llx_r%s, ",
+ fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s, ",
ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "",
- id->get_responder_spi(id), id->is_initiator(id) ? "" : "");
+ id->get_responder_spi(id), id->is_initiator(id) ? "" : "*");
ike_sa->get_stats(ike_sa, &next);
if (next)
@@ -1120,7 +1157,7 @@ static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all)
if (child_sa->get_state(child_sa) == CHILD_INSTALLED)
{
- fprintf(out, ", %N SPIs: 0x%0x_i 0x%0x_o",
+ fprintf(out, ", %N SPIs: %.8x_i %.8x_o",
protocol_id_names, child_sa->get_protocol(child_sa),
htonl(child_sa->get_spi(child_sa, TRUE)),
htonl(child_sa->get_spi(child_sa, FALSE)));
@@ -1242,6 +1279,7 @@ static void stroke_status(stroke_msg_t *msg, FILE *out, bool all)
{
identification_t *my_ca = peer_cfg->get_my_ca(peer_cfg);
identification_t *other_ca = peer_cfg->get_other_ca(peer_cfg);
+ linked_list_t *groups = peer_cfg->get_groups(peer_cfg);
if (my_ca->get_type(my_ca) != ID_ANY
|| other_ca->get_type(other_ca) != ID_ANY)
@@ -1249,6 +1287,13 @@ static void stroke_status(stroke_msg_t *msg, FILE *out, bool all)
fprintf(out, "%12s: CAs: '%D'...'%D'\n", peer_cfg->get_name(peer_cfg),
my_ca, other_ca);
}
+ if (groups->get_count(groups) > 0)
+ {
+ fprintf(out, "%12s: groups: ", peer_cfg->get_name(peer_cfg));
+ ietfAttr_list_list(groups, out);
+ fprintf(out, "\n");
+ }
+
}
children = peer_cfg->create_child_cfg_iterator(peer_cfg);
while (children->iterate(children, (void**)&child_cfg))
@@ -1372,6 +1417,23 @@ static void stroke_list(stroke_msg_t *msg, FILE *out)
{
list_auth_certificates(AUTH_AA, "AA", msg->list.utc, out);
}
+ if (msg->list.flags & LIST_ACERTS)
+ {
+ x509ac_t *cert;
+
+ iterator = charon->credentials->create_acert_iterator(charon->credentials);
+ if (iterator->get_count(iterator))
+ {
+ fprintf(out, "\n");
+ fprintf(out, "List of X.509 Attribute Certificates:\n");
+ fprintf(out, "\n");
+ }
+ while (iterator->iterate(iterator, (void**)&cert))
+ {
+ cert->list(cert, out, msg->list.utc);
+ }
+ iterator->destroy(iterator);
+ }
if (msg->list.flags & LIST_CAINFOS)
{
ca_info_t *ca_info;
@@ -1445,6 +1507,10 @@ static void stroke_list(stroke_msg_t *msg, FILE *out)
*/
static void stroke_reread(stroke_msg_t *msg, FILE *out)
{
+ if (msg->reread.flags & REREAD_SECRETS)
+ {
+ charon->credentials->load_secrets(charon->credentials, TRUE);
+ }
if (msg->reread.flags & REREAD_CACERTS)
{
charon->credentials->load_ca_certificates(charon->credentials);
@@ -1453,6 +1519,14 @@ static void stroke_reread(stroke_msg_t *msg, FILE *out)
{
charon->credentials->load_ocsp_certificates(charon->credentials);
}
+ if (msg->reread.flags & REREAD_AACERTS)
+ {
+ charon->credentials->load_aa_certificates(charon->credentials);
+ }
+ if (msg->reread.flags & REREAD_ACERTS)
+ {
+ charon->credentials->load_attr_certificates(charon->credentials);
+ }
if (msg->reread.flags & REREAD_CRLS)
{
charon->credentials->load_crls(charon->credentials);
@@ -1655,7 +1729,6 @@ static void destroy(private_stroke_interface_t *this)
{
this->job->cancel(this->job);
free(this);
- unlink(socket_addr.sun_path);
}
/*
@@ -1663,6 +1736,7 @@ static void destroy(private_stroke_interface_t *this)
*/
interface_t *interface_create()
{
+ struct sockaddr_un socket_addr = { AF_UNIX, STROKE_SOCKET};
private_stroke_interface_t *this = malloc_thing(private_stroke_interface_t);
mode_t old;
@@ -1678,7 +1752,8 @@ interface_t *interface_create()
return NULL;
}
- old = umask(~S_IRWXU);
+ unlink(socket_addr.sun_path);
+ old = umask(~(S_IRWXU | S_IRWXG));
if (bind(this->socket, (struct sockaddr *)&socket_addr, sizeof(socket_addr)) < 0)
{
DBG1(DBG_CFG, "could not bind stroke socket: %s", strerror(errno));
@@ -1687,6 +1762,11 @@ interface_t *interface_create()
return NULL;
}
umask(old);
+ if (chown(socket_addr.sun_path, IPSEC_UID, IPSEC_GID) != 0)
+ {
+ DBG1(DBG_CFG, "changing stroke socket permissions failed: %s",
+ strerror(errno));
+ }
if (listen(this->socket, 0) < 0)
{
diff --git a/src/charon/control/interfaces/xml_interface.c b/src/charon/control/interfaces/xml_interface.c
index 992377436..02da1064d 100644
--- a/src/charon/control/interfaces/xml_interface.c
+++ b/src/charon/control/interfaces/xml_interface.c
@@ -39,8 +39,6 @@
#include <daemon.h>
#include <processing/jobs/callback_job.h>
-static struct sockaddr_un socket_addr = { AF_UNIX, "/var/run/charon.xml"};
-
typedef struct private_xml_interface_t private_xml_interface_t;
@@ -65,27 +63,293 @@ struct private_xml_interface_t {
callback_job_t *job;
};
+ENUM(ike_sa_state_lower_names, IKE_CREATED, IKE_DELETING,
+ "created",
+ "connecting",
+ "established",
+ "rekeying",
+ "deleting",
+);
+
+/**
+ * write a bool into element
+ */
+static void write_bool(xmlTextWriterPtr writer, char *element, bool val)
+{
+ xmlTextWriterWriteElement(writer, element, val ? "true" : "false");
+}
+
+/**
+ * write a identification_t into element
+ */
+static void write_id(xmlTextWriterPtr writer, char *element, identification_t *id)
+{
+ xmlTextWriterStartElement(writer, element);
+ switch (id->get_type(id))
+ {
+ {
+ char *type = "";
+ while (TRUE)
+ {
+ case ID_IPV4_ADDR:
+ type = "ipv4";
+ break;
+ case ID_IPV6_ADDR:
+ type = "ipv6";
+ break;
+ case ID_FQDN:
+ type = "fqdn";
+ break;
+ case ID_RFC822_ADDR:
+ type = "email";
+ break;
+ case ID_DER_ASN1_DN:
+ type = "asn1dn";
+ break;
+ case ID_DER_ASN1_GN:
+ type = "asn1gn";
+ break;
+ }
+ xmlTextWriterWriteAttribute(writer, "type", type);
+ xmlTextWriterWriteFormatString(writer, "%D", id);
+ break;
+ }
+ case ID_ANY:
+ xmlTextWriterWriteAttribute(writer, "type", "any");
+ break;
+ default:
+ /* TODO: base64 keyid */
+ xmlTextWriterWriteAttribute(writer, "type", "keyid");
+ break;
+ }
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * write a host_t address into an element
+ */
+static void write_address(xmlTextWriterPtr writer, char *element, host_t *host)
+{
+ xmlTextWriterStartElement(writer, element);
+ xmlTextWriterWriteAttribute(writer, "type",
+ host->get_family(host) == AF_INET ? "ipv4" : "ipv6");
+ if (host->is_anyaddr(host))
+ { /* do not use %any for XML */
+ xmlTextWriterWriteFormatString(writer, "%s",
+ host->get_family(host) == AF_INET ? "0.0.0.0" : "::");
+ }
+ else
+ {
+ xmlTextWriterWriteFormatString(writer, "%H", host);
+ }
+ xmlTextWriterEndElement(writer);
+}
+
/**
- * process a getRequest message
+ * write a childEnd
*/
-static void process_get(xmlTextReaderPtr reader, xmlTextWriterPtr writer)
+static void write_childend(xmlTextWriterPtr writer, child_sa_t *child, bool local)
{
- if (/* <GetResponse> */
- xmlTextWriterStartElement(writer, "GetResponse") < 0 ||
- /* <Status Code="200"><Message/></Status> */
- xmlTextWriterStartElement(writer, "Status") < 0 ||
- xmlTextWriterWriteAttribute(writer, "Code", "200") < 0 ||
- xmlTextWriterStartElement(writer, "Message") < 0 ||
- xmlTextWriterEndElement(writer) < 0 ||
- xmlTextWriterEndElement(writer) < 0 ||
- /* <ConnectionList/> */
- xmlTextWriterStartElement(writer, "ConnectionList") < 0 ||
- xmlTextWriterEndElement(writer) < 0 ||
- /* </GetResponse> */
- xmlTextWriterEndElement(writer) < 0)
+ iterator_t *iterator;
+ linked_list_t *list;
+ traffic_selector_t *ts;
+ xmlTextWriterWriteFormatElement(writer, "spi", "%lx",
+ htonl(child->get_spi(child, local)));
+ xmlTextWriterStartElement(writer, "networks");
+ list = child->get_traffic_selectors(child, local);
+ iterator = list->create_iterator(list, TRUE);
+ while (iterator->iterate(iterator, (void**)&ts))
{
- DBG1(DBG_CFG, "error writing XML document (GetResponse)");
+ xmlTextWriterStartElement(writer, "network");
+ xmlTextWriterWriteAttribute(writer, "type",
+ ts->get_type(ts) == TS_IPV4_ADDR_RANGE ? "ipv4" : "ipv6");
+ xmlTextWriterWriteFormatString(writer, "%R", ts);
+ xmlTextWriterEndElement(writer);
}
+ iterator->destroy(iterator);
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * write a child_sa_t
+ */
+static void write_child(xmlTextWriterPtr writer, child_sa_t *child)
+{
+ mode_t mode;
+ encryption_algorithm_t encr;
+ integrity_algorithm_t int_algo;
+ size_t encr_len, int_len;
+ u_int32_t rekey, use_in, use_out, use_fwd;
+ child_cfg_t *config;
+
+ config = child->get_config(child);
+ child->get_stats(child, &mode, &encr, &encr_len, &int_algo, &int_len,
+ &rekey, &use_in, &use_out, &use_fwd);
+
+ xmlTextWriterStartElement(writer, "childsa");
+ xmlTextWriterWriteFormatElement(writer, "reqid", "%d", child->get_reqid(child));
+ xmlTextWriterWriteFormatElement(writer, "childconfig", "%s",
+ config->get_name(config));
+ xmlTextWriterStartElement(writer, "local");
+ write_childend(writer, child, TRUE);
+ xmlTextWriterEndElement(writer);
+ xmlTextWriterStartElement(writer, "remote");
+ write_childend(writer, child, FALSE);
+ xmlTextWriterEndElement(writer);
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * process a ikesalist query request message
+ */
+static void request_query_ikesa(xmlTextReaderPtr reader, xmlTextWriterPtr writer)
+{
+ iterator_t *iterator;
+ ike_sa_t *ike_sa;
+
+ /* <ikesalist> */
+ xmlTextWriterStartElement(writer, "ikesalist");
+
+ iterator = charon->ike_sa_manager->create_iterator(charon->ike_sa_manager);
+ while (iterator->iterate(iterator, (void**)&ike_sa))
+ {
+ ike_sa_id_t *id;
+ host_t *local, *remote;
+ iterator_t *children;
+ child_sa_t *child_sa;
+
+ id = ike_sa->get_id(ike_sa);
+
+ xmlTextWriterStartElement(writer, "ikesa");
+ xmlTextWriterWriteFormatElement(writer, "id", "%d",
+ ike_sa->get_unique_id(ike_sa));
+ xmlTextWriterWriteFormatElement(writer, "status", "%N",
+ ike_sa_state_lower_names, ike_sa->get_state(ike_sa));
+ xmlTextWriterWriteElement(writer, "role",
+ id->is_initiator(id) ? "initiator" : "responder");
+ xmlTextWriterWriteElement(writer, "peerconfig", ike_sa->get_name(ike_sa));
+
+ /* <local> */
+ local = ike_sa->get_my_host(ike_sa);
+ xmlTextWriterStartElement(writer, "local");
+ xmlTextWriterWriteFormatElement(writer, "spi", "%.16llx",
+ id->is_initiator(id) ? id->get_initiator_spi(id)
+ : id->get_responder_spi(id));
+ write_id(writer, "identification", ike_sa->get_my_id(ike_sa));
+ write_address(writer, "address", local);
+ xmlTextWriterWriteFormatElement(writer, "port", "%d",
+ local->get_port(local));
+ if (ike_sa->supports_extension(ike_sa, EXT_NATT))
+ {
+ write_bool(writer, "nat", ike_sa->has_condition(ike_sa, COND_NAT_HERE));
+ }
+ xmlTextWriterEndElement(writer);
+ /* </local> */
+
+ /* <remote> */
+ remote = ike_sa->get_other_host(ike_sa);
+ xmlTextWriterStartElement(writer, "remote");
+ xmlTextWriterWriteFormatElement(writer, "spi", "%.16llx",
+ id->is_initiator(id) ? id->get_responder_spi(id)
+ : id->get_initiator_spi(id));
+ write_id(writer, "identification", ike_sa->get_other_id(ike_sa));
+ write_address(writer, "address", remote);
+ xmlTextWriterWriteFormatElement(writer, "port", "%d",
+ remote->get_port(remote));
+ if (ike_sa->supports_extension(ike_sa, EXT_NATT))
+ {
+ write_bool(writer, "nat", ike_sa->has_condition(ike_sa, COND_NAT_THERE));
+ }
+ xmlTextWriterEndElement(writer);
+ /* </remote> */
+
+ /* <childsalist> */
+ xmlTextWriterStartElement(writer, "childsalist");
+ children = ike_sa->create_child_sa_iterator(ike_sa);
+ while (children->iterate(children, (void**)&child_sa))
+ {
+ write_child(writer, child_sa);
+ }
+ children->destroy(children);
+ /* </childsalist> */
+ xmlTextWriterEndElement(writer);
+
+ /* </ikesa> */
+ xmlTextWriterEndElement(writer);
+ }
+ iterator->destroy(iterator);
+
+ /* </ikesalist> */
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * process a query request
+ */
+static void request_query(xmlTextReaderPtr reader, xmlTextWriterPtr writer)
+{
+ /* <query> */
+ xmlTextWriterStartElement(writer, "query");
+ while (xmlTextReaderRead(reader))
+ {
+ if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT)
+ {
+ if (streq(xmlTextReaderConstName(reader), "ikesalist"))
+ {
+ request_query_ikesa(reader, writer);
+ break;
+ }
+ }
+ }
+ /* </query> */
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * process a request message
+ */
+static void request(xmlTextReaderPtr reader, char *id, int fd)
+{
+ xmlTextWriterPtr writer;
+
+ writer = xmlNewTextWriter(xmlOutputBufferCreateFd(fd, NULL));
+ if (writer == NULL)
+ {
+ DBG1(DBG_CFG, "opening SMP XML writer failed");
+ return;
+ }
+
+ xmlTextWriterStartDocument(writer, NULL, NULL, NULL);
+ /* <message xmlns="http://www.strongswan.org/smp/1.0"
+ id="id" type="response"> */
+ xmlTextWriterStartElement(writer, "message");
+ xmlTextWriterWriteAttribute(writer, "xmlns",
+ "http://www.strongswan.org/smp/1.0");
+ xmlTextWriterWriteAttribute(writer, "id", id);
+ xmlTextWriterWriteAttribute(writer, "type", "response");
+
+ while (xmlTextReaderRead(reader))
+ {
+ if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT)
+ {
+ if (streq(xmlTextReaderConstName(reader), "query"))
+ {
+ request_query(reader, writer);
+ break;
+ }
+ }
+ }
+ /* </message> and close document */
+ xmlTextWriterEndDocument(writer);
+ xmlFreeTextWriter(writer);
+}
+
+/**
+ * cleanup helper function for open file descriptors
+ */
+static void closefdp(int *fd)
+{
+ close(*fd);
}
/**
@@ -97,17 +361,20 @@ static job_requeue_t process(int *fdp)
char buffer[4096];
size_t len;
xmlTextReaderPtr reader;
- xmlTextWriterPtr writer;
+ char *id = NULL, *type = NULL;
+ pthread_cleanup_push((void*)closefdp, (void*)&fd);
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
len = read(fd, buffer, sizeof(buffer));
pthread_setcancelstate(oldstate, NULL);
+ pthread_cleanup_pop(0);
if (len <= 0)
{
close(fd);
DBG2(DBG_CFG, "SMP XML connection closed");
return JOB_REQUEUE_NONE;
}
+ DBG3(DBG_CFG, "got XML request: %b", buffer, len);
reader = xmlReaderForMemory(buffer, len, NULL, NULL, 0);
if (reader == NULL)
@@ -116,65 +383,32 @@ static job_requeue_t process(int *fdp)
return JOB_REQUEUE_FAIR;;
}
- writer = xmlNewTextWriter(xmlOutputBufferCreateFd(fd, NULL));
- if (writer == NULL)
- {
- xmlFreeTextReader(reader);
- DBG1(DBG_CFG, "opening SMP XML writer failed");
- return JOB_REQUEUE_FAIR;;
- }
-
- /* create the standard message parts */
- if (xmlTextWriterStartDocument(writer, NULL, NULL, NULL) < 0 ||
- /* <SMPMessage xmlns="http://www.strongswan.org/smp/1.0"> */
- xmlTextWriterStartElement(writer, "SMPMessage") < 0 ||
- xmlTextWriterWriteAttribute(writer, "xmlns",
- "http://www.strongswan.org/smp/1.0") < 0 ||
- /* <Body> */
- xmlTextWriterStartElement(writer, "Body") < 0)
- {
- xmlFreeTextReader(reader);
- xmlFreeTextWriter(writer);
- DBG1(DBG_CFG, "creating SMP XML message failed");
- return JOB_REQUEUE_FAIR;;
- }
-
- while (TRUE)
+ /* read message type and id */
+ while (xmlTextReaderRead(reader))
{
- switch (xmlTextReaderRead(reader))
- {
- case 1:
- {
- if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT)
- {
- if (streq(xmlTextReaderConstName(reader), "GetRequest"))
- {
- process_get(reader, writer);
- break;
- }
- }
- continue;
- }
- case 0:
- /* end of XML */
- break;
- default:
- DBG1(DBG_CFG, "parsing SMP XML message failed");
- break;
+ if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT &&
+ streq(xmlTextReaderConstName(reader), "message"))
+ {
+ id = xmlTextReaderGetAttribute(reader, "id");
+ type = xmlTextReaderGetAttribute(reader, "type");
+ break;
}
- xmlFreeTextReader(reader);
- break;
}
- /* write </Body></SMPMessage> and close document */
- if (xmlTextWriterEndDocument(writer) < 0)
- {
- DBG1(DBG_CFG, "completing SMP XML message failed");
- }
- xmlFreeTextWriter(writer);
- /* write a newline to indicate end of xml */
- write(fd, "\n", 1);
- return JOB_REQUEUE_FAIR;;
+ /* process message */
+ if (id && type)
+ {
+ if (streq(type, "request"))
+ {
+ request(reader, id, fd);
+ }
+ else
+ {
+ /* response(reader, id) */
+ }
+ }
+ xmlFreeTextReader(reader);
+ return JOB_REQUEUE_FAIR;;
}
/**
@@ -212,7 +446,7 @@ static job_requeue_t dispatch(private_xml_interface_t *this)
static void destroy(private_xml_interface_t *this)
{
this->job->cancel(this->job);
- unlink(socket_addr.sun_path);
+ close(this->socket);
free(this);
}
@@ -221,6 +455,7 @@ static void destroy(private_xml_interface_t *this)
*/
interface_t *interface_create()
{
+ struct sockaddr_un unix_addr = { AF_UNIX, IPSEC_PIDDIR "/charon.xml"};
private_xml_interface_t *this = malloc_thing(private_xml_interface_t);
mode_t old;
@@ -235,8 +470,9 @@ interface_t *interface_create()
return NULL;
}
- old = umask(~S_IRWXU);
- if (bind(this->socket, (struct sockaddr *)&socket_addr, sizeof(socket_addr)) < 0)
+ unlink(unix_addr.sun_path);
+ old = umask(~(S_IRWXU | S_IRWXG));
+ if (bind(this->socket, (struct sockaddr *)&unix_addr, sizeof(unix_addr)) < 0)
{
DBG1(DBG_CFG, "could not bind XML socket: %s", strerror(errno));
close(this->socket);
@@ -244,8 +480,12 @@ interface_t *interface_create()
return NULL;
}
umask(old);
+ if (chown(unix_addr.sun_path, IPSEC_UID, IPSEC_GID) != 0)
+ {
+ DBG1(DBG_CFG, "changing XML socket permissions failed: %s", strerror(errno));
+ }
- if (listen(this->socket, 0) < 0)
+ if (listen(this->socket, 5) < 0)
{
DBG1(DBG_CFG, "could not listen on XML socket: %s", strerror(errno));
close(this->socket);