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authorRene Mayrhofer <rene@mayrhofer.eu.org>2010-05-25 19:01:36 +0000
committerRene Mayrhofer <rene@mayrhofer.eu.org>2010-05-25 19:01:36 +0000
commit1ac70afcc1f7d6d2738a34308810719b0976d29f (patch)
tree805f6ce2a15d1a717781d7cbceac8408a74b6b0c /src/libcharon/plugins/smp
parented7d79f96177044949744da10f4431c1d6242241 (diff)
downloadvyos-strongswan-1ac70afcc1f7d6d2738a34308810719b0976d29f.tar.gz
vyos-strongswan-1ac70afcc1f7d6d2738a34308810719b0976d29f.zip
[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)
Diffstat (limited to 'src/libcharon/plugins/smp')
-rw-r--r--src/libcharon/plugins/smp/Makefile.am17
-rw-r--r--src/libcharon/plugins/smp/Makefile.in586
-rw-r--r--src/libcharon/plugins/smp/smp.c768
-rw-r--r--src/libcharon/plugins/smp/smp.h45
4 files changed, 1416 insertions, 0 deletions
diff --git a/src/libcharon/plugins/smp/Makefile.am b/src/libcharon/plugins/smp/Makefile.am
new file mode 100644
index 000000000..f17235835
--- /dev/null
+++ b/src/libcharon/plugins/smp/Makefile.am
@@ -0,0 +1,17 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
+ -I$(top_srcdir)/src/libcharon ${xml_CFLAGS}
+
+AM_CFLAGS = -rdynamic -DIPSEC_PIDDIR=\"${piddir}\"
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-smp.la
+else
+plugin_LTLIBRARIES = libstrongswan-smp.la
+endif
+
+libstrongswan_smp_la_SOURCES = \
+ smp.h smp.c
+
+libstrongswan_smp_la_LDFLAGS = -module -avoid-version
+libstrongswan_smp_la_LIBADD = ${xml_LIBS}
diff --git a/src/libcharon/plugins/smp/Makefile.in b/src/libcharon/plugins/smp/Makefile.in
new file mode 100644
index 000000000..b88283f38
--- /dev/null
+++ b/src/libcharon/plugins/smp/Makefile.in
@@ -0,0 +1,586 @@
+# Makefile.in generated by automake 1.11 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
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+
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+ smp.h smp.c
+
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+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d "$(distdir)/$$file"; then \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+ find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+ fi; \
+ cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+ else \
+ test -f "$(distdir)/$$file" \
+ || cp -p $$d/$$file "$(distdir)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+ for dir in "$(DESTDIR)$(plugindir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+ clean-pluginLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pluginLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pluginLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \
+ ctags distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-pluginLTLIBRARIES install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am \
+ uninstall-pluginLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/libcharon/plugins/smp/smp.c b/src/libcharon/plugins/smp/smp.c
new file mode 100644
index 000000000..64820eb45
--- /dev/null
+++ b/src/libcharon/plugins/smp/smp.c
@@ -0,0 +1,768 @@
+/*
+ * Copyright (C) 2007 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include <stdlib.h>
+
+#include "smp.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+#include <errno.h>
+#include <signal.h>
+#include <libxml/xmlreader.h>
+#include <libxml/xmlwriter.h>
+
+#include <library.h>
+#include <daemon.h>
+#include <threading/thread.h>
+#include <processing/jobs/callback_job.h>
+
+
+typedef struct private_smp_t private_smp_t;
+
+/**
+ * Private data of an smp_t object.
+ */
+struct private_smp_t {
+
+ /**
+ * Public part of smp_t object.
+ */
+ smp_t public;
+
+ /**
+ * XML unix socket fd
+ */
+ int socket;
+
+ /**
+ * job accepting stroke messages
+ */
+ 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_ANY:
+ type = "any";
+ break;
+ 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, "%Y", id);
+ 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);
+}
+
+/**
+ * write networks element
+ */
+static void write_networks(xmlTextWriterPtr writer, char *element,
+ linked_list_t *list)
+{
+ enumerator_t *enumerator;
+ traffic_selector_t *ts;
+
+ xmlTextWriterStartElement(writer, element);
+ enumerator = list->create_enumerator(list);
+ while (enumerator->enumerate(enumerator, (void**)&ts))
+ {
+ xmlTextWriterStartElement(writer, "network");
+ xmlTextWriterWriteAttribute(writer, "type",
+ ts->get_type(ts) == TS_IPV4_ADDR_RANGE ? "ipv4" : "ipv6");
+ xmlTextWriterWriteFormatString(writer, "%R", ts);
+ xmlTextWriterEndElement(writer);
+ }
+ enumerator->destroy(enumerator);
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * write a childEnd
+ */
+static void write_childend(xmlTextWriterPtr writer, child_sa_t *child, bool local)
+{
+ linked_list_t *list;
+
+ xmlTextWriterWriteFormatElement(writer, "spi", "%lx",
+ htonl(child->get_spi(child, local)));
+ list = child->get_traffic_selectors(child, local);
+ write_networks(writer, "networks", list);
+}
+
+/**
+ * write a child_sa_t
+ */
+static void write_child(xmlTextWriterPtr writer, child_sa_t *child)
+{
+ child_cfg_t *config;
+
+ config = child->get_config(child);
+
+ 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)
+{
+ enumerator_t *enumerator;
+ ike_sa_t *ike_sa;
+
+ /* <ikesalist> */
+ xmlTextWriterStartElement(writer, "ikesalist");
+
+ enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+ while (enumerator->enumerate(enumerator, &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);
+ }
+ enumerator->destroy(enumerator);
+
+ /* </ikesalist> */
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * process a configlist query request message
+ */
+static void request_query_config(xmlTextReaderPtr reader, xmlTextWriterPtr writer)
+{
+ enumerator_t *enumerator;
+ peer_cfg_t *peer_cfg;
+
+ /* <configlist> */
+ xmlTextWriterStartElement(writer, "configlist");
+
+ enumerator = charon->backends->create_peer_cfg_enumerator(charon->backends,
+ NULL, NULL, NULL, NULL);
+ while (enumerator->enumerate(enumerator, &peer_cfg))
+ {
+ enumerator_t *children;
+ child_cfg_t *child_cfg;
+ ike_cfg_t *ike_cfg;
+ linked_list_t *list;
+
+ if (peer_cfg->get_ike_version(peer_cfg) != 2)
+ { /* only IKEv2 connections yet */
+ continue;
+ }
+
+ /* <peerconfig> */
+ xmlTextWriterStartElement(writer, "peerconfig");
+ xmlTextWriterWriteElement(writer, "name", peer_cfg->get_name(peer_cfg));
+
+ /* TODO: write auth_cfgs */
+
+ /* <ikeconfig> */
+ ike_cfg = peer_cfg->get_ike_cfg(peer_cfg);
+ xmlTextWriterStartElement(writer, "ikeconfig");
+ xmlTextWriterWriteElement(writer, "local", ike_cfg->get_my_addr(ike_cfg));
+ xmlTextWriterWriteElement(writer, "remote", ike_cfg->get_other_addr(ike_cfg));
+ xmlTextWriterEndElement(writer);
+ /* </ikeconfig> */
+
+ /* <childconfiglist> */
+ xmlTextWriterStartElement(writer, "childconfiglist");
+ children = peer_cfg->create_child_cfg_enumerator(peer_cfg);
+ while (children->enumerate(children, &child_cfg))
+ {
+ /* <childconfig> */
+ xmlTextWriterStartElement(writer, "childconfig");
+ xmlTextWriterWriteElement(writer, "name",
+ child_cfg->get_name(child_cfg));
+ list = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL);
+ write_networks(writer, "local", list);
+ list->destroy_offset(list, offsetof(traffic_selector_t, destroy));
+ list = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, NULL);
+ write_networks(writer, "remote", list);
+ list->destroy_offset(list, offsetof(traffic_selector_t, destroy));
+ xmlTextWriterEndElement(writer);
+ /* </childconfig> */
+ }
+ children->destroy(children);
+ /* </childconfiglist> */
+ xmlTextWriterEndElement(writer);
+ /* </peerconfig> */
+ xmlTextWriterEndElement(writer);
+ }
+ enumerator->destroy(enumerator);
+ /* </configlist> */
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * callback which logs to a XML writer
+ */
+static bool xml_callback(xmlTextWriterPtr writer, debug_t group, level_t level,
+ ike_sa_t* ike_sa, char* format, va_list args)
+{
+ if (level <= 1)
+ {
+ /* <item> */
+ xmlTextWriterStartElement(writer, "item");
+ xmlTextWriterWriteFormatAttribute(writer, "level", "%d", level);
+ xmlTextWriterWriteFormatAttribute(writer, "source", "%N", debug_names, group);
+ xmlTextWriterWriteFormatAttribute(writer, "thread", "%u", thread_current_id());
+ xmlTextWriterWriteVFormatString(writer, format, args);
+ xmlTextWriterEndElement(writer);
+ /* </item> */
+ }
+ return TRUE;
+}
+
+/**
+ * process a *terminate control request message
+ */
+static void request_control_terminate(xmlTextReaderPtr reader,
+ xmlTextWriterPtr writer, bool ike)
+{
+ if (xmlTextReaderRead(reader) &&
+ xmlTextReaderNodeType(reader) == XML_READER_TYPE_TEXT)
+ {
+ const char *str;
+ u_int32_t id;
+ status_t status;
+
+ str = xmlTextReaderConstValue(reader);
+ if (str == NULL)
+ {
+ DBG1(DBG_CFG, "error parsing XML id string");
+ return;
+ }
+ id = atoi(str);
+ if (!id)
+ {
+ enumerator_t *enumerator;
+ ike_sa_t *ike_sa;
+
+ enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+ while (enumerator->enumerate(enumerator, &ike_sa))
+ {
+ if (streq(str, ike_sa->get_name(ike_sa)))
+ {
+ ike = TRUE;
+ id = ike_sa->get_unique_id(ike_sa);
+ break;
+ }
+ }
+ enumerator->destroy(enumerator);
+ }
+ if (!id)
+ {
+ DBG1(DBG_CFG, "error parsing XML id string");
+ return;
+ }
+
+ DBG1(DBG_CFG, "terminating %s_SA %d", ike ? "IKE" : "CHILD", id);
+
+ /* <log> */
+ xmlTextWriterStartElement(writer, "log");
+ if (ike)
+ {
+ status = charon->controller->terminate_ike(
+ charon->controller, id,
+ (controller_cb_t)xml_callback, writer);
+ }
+ else
+ {
+ status = charon->controller->terminate_child(
+ charon->controller, id,
+ (controller_cb_t)xml_callback, writer);
+ }
+ /* </log> */
+ xmlTextWriterEndElement(writer);
+ xmlTextWriterWriteFormatElement(writer, "status", "%d", status);
+ }
+}
+
+/**
+ * process a *initiate control request message
+ */
+static void request_control_initiate(xmlTextReaderPtr reader,
+ xmlTextWriterPtr writer, bool ike)
+{
+ if (xmlTextReaderRead(reader) &&
+ xmlTextReaderNodeType(reader) == XML_READER_TYPE_TEXT)
+ {
+ const char *str;
+ status_t status = FAILED;
+ peer_cfg_t *peer;
+ child_cfg_t *child = NULL;
+ enumerator_t *enumerator;
+
+ str = xmlTextReaderConstValue(reader);
+ if (str == NULL)
+ {
+ DBG1(DBG_CFG, "error parsing XML config name string");
+ return;
+ }
+ DBG1(DBG_CFG, "initiating %s_SA %s", ike ? "IKE" : "CHILD", str);
+
+ /* <log> */
+ xmlTextWriterStartElement(writer, "log");
+ peer = charon->backends->get_peer_cfg_by_name(charon->backends, (char*)str);
+ if (peer)
+ {
+ enumerator = peer->create_child_cfg_enumerator(peer);
+ if (ike)
+ {
+ if (!enumerator->enumerate(enumerator, &child))
+ {
+ child = NULL;
+ }
+ child->get_ref(child);
+ }
+ else
+ {
+ while (enumerator->enumerate(enumerator, &child))
+ {
+ if (streq(child->get_name(child), str))
+ {
+ child->get_ref(child);
+ break;
+ }
+ child = NULL;
+ }
+ }
+ enumerator->destroy(enumerator);
+ if (child)
+ {
+ status = charon->controller->initiate(charon->controller,
+ peer, child, (controller_cb_t)xml_callback,
+ writer);
+ }
+ else
+ {
+ peer->destroy(peer);
+ }
+ }
+ /* </log> */
+ xmlTextWriterEndElement(writer);
+ xmlTextWriterWriteFormatElement(writer, "status", "%d", status);
+ }
+}
+
+/**
+ * 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;
+ }
+ if (streq(xmlTextReaderConstName(reader), "configlist"))
+ {
+ request_query_config(reader, writer);
+ break;
+ }
+ }
+ }
+ /* </query> */
+ xmlTextWriterEndElement(writer);
+}
+
+/**
+ * process a control request
+ */
+static void request_control(xmlTextReaderPtr reader, xmlTextWriterPtr writer)
+{
+ /* <control> */
+ xmlTextWriterStartElement(writer, "control");
+ while (xmlTextReaderRead(reader))
+ {
+ if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT)
+ {
+ if (streq(xmlTextReaderConstName(reader), "ikesaterminate"))
+ {
+ request_control_terminate(reader, writer, TRUE);
+ break;
+ }
+ if (streq(xmlTextReaderConstName(reader), "childsaterminate"))
+ {
+ request_control_terminate(reader, writer, FALSE);
+ break;
+ }
+ if (streq(xmlTextReaderConstName(reader), "ikesainitiate"))
+ {
+ request_control_initiate(reader, writer, TRUE);
+ break;
+ }
+ if (streq(xmlTextReaderConstName(reader), "childsainitiate"))
+ {
+ request_control_initiate(reader, writer, FALSE);
+ break;
+ }
+ }
+ }
+ /* </control> */
+ 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;
+ }
+ if (streq(xmlTextReaderConstName(reader), "control"))
+ {
+ request_control(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);
+}
+
+/**
+ * read from a opened connection and process it
+ */
+static job_requeue_t process(int *fdp)
+{
+ int fd = *fdp;
+ bool oldstate;
+ char buffer[4096];
+ size_t len;
+ xmlTextReaderPtr reader;
+ char *id = NULL, *type = NULL;
+
+ thread_cleanup_push((thread_cleanup_t)closefdp, (void*)&fd);
+ oldstate = thread_cancelability(TRUE);
+ len = read(fd, buffer, sizeof(buffer));
+ thread_cancelability(oldstate);
+ thread_cleanup_pop(FALSE);
+ 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)
+ {
+ DBG1(DBG_CFG, "opening SMP XML reader failed");
+ return JOB_REQUEUE_FAIR;;
+ }
+
+ /* read message type and id */
+ while (xmlTextReaderRead(reader))
+ {
+ if (xmlTextReaderNodeType(reader) == XML_READER_TYPE_ELEMENT &&
+ streq(xmlTextReaderConstName(reader), "message"))
+ {
+ id = xmlTextReaderGetAttribute(reader, "id");
+ type = xmlTextReaderGetAttribute(reader, "type");
+ break;
+ }
+ }
+
+ /* process message */
+ if (id && type)
+ {
+ if (streq(type, "request"))
+ {
+ request(reader, id, fd);
+ }
+ else
+ {
+ /* response(reader, id) */
+ }
+ }
+ xmlFreeTextReader(reader);
+ return JOB_REQUEUE_FAIR;;
+}
+
+/**
+ * accept from XML socket and create jobs to process connections
+ */
+static job_requeue_t dispatch(private_smp_t *this)
+{
+ struct sockaddr_un strokeaddr;
+ int fd, *fdp, strokeaddrlen = sizeof(strokeaddr);
+ callback_job_t *job;
+ bool oldstate;
+
+ /* wait for connections, but allow thread to terminate */
+ oldstate = thread_cancelability(TRUE);
+ fd = accept(this->socket, (struct sockaddr *)&strokeaddr, &strokeaddrlen);
+ thread_cancelability(oldstate);
+
+ if (fd < 0)
+ {
+ DBG1(DBG_CFG, "accepting SMP XML socket failed: %s", strerror(errno));
+ sleep(1);
+ return JOB_REQUEUE_FAIR;;
+ }
+
+ fdp = malloc_thing(int);
+ *fdp = fd;
+ job = callback_job_create((callback_job_cb_t)process, fdp, free, this->job);
+ charon->processor->queue_job(charon->processor, (job_t*)job);
+
+ return JOB_REQUEUE_DIRECT;
+}
+
+/**
+ * Implementation of itnerface_t.destroy.
+ */
+static void destroy(private_smp_t *this)
+{
+ this->job->cancel(this->job);
+ close(this->socket);
+ free(this);
+}
+
+/*
+ * Described in header file
+ */
+plugin_t *smp_plugin_create()
+{
+ struct sockaddr_un unix_addr = { AF_UNIX, IPSEC_PIDDIR "/charon.xml"};
+ private_smp_t *this = malloc_thing(private_smp_t);
+ mode_t old;
+
+ this->public.plugin.destroy = (void (*)(plugin_t*))destroy;
+
+ /* set up unix socket */
+ this->socket = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (this->socket == -1)
+ {
+ DBG1(DBG_CFG, "could not create XML socket");
+ free(this);
+ return NULL;
+ }
+
+ 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);
+ free(this);
+ return NULL;
+ }
+ umask(old);
+ if (chown(unix_addr.sun_path, charon->uid, charon->gid) != 0)
+ {
+ DBG1(DBG_CFG, "changing XML socket permissions failed: %s", strerror(errno));
+ }
+
+ if (listen(this->socket, 5) < 0)
+ {
+ DBG1(DBG_CFG, "could not listen on XML socket: %s", strerror(errno));
+ close(this->socket);
+ free(this);
+ return NULL;
+ }
+
+ this->job = callback_job_create((callback_job_cb_t)dispatch, this, NULL, NULL);
+ charon->processor->queue_job(charon->processor, (job_t*)this->job);
+
+ return &this->public.plugin;
+}
+
diff --git a/src/libcharon/plugins/smp/smp.h b/src/libcharon/plugins/smp/smp.h
new file mode 100644
index 000000000..74c85fb5f
--- /dev/null
+++ b/src/libcharon/plugins/smp/smp.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2007-2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup smp smp
+ * @ingroup cplugins
+ *
+ * @defgroup smp_i smp
+ * @{ @ingroup smp
+ */
+
+#ifndef SMP_H_
+#define SMP_H_
+
+#include <plugins/plugin.h>
+
+typedef struct smp_t smp_t;
+
+/**
+ * SMP configuration and control interface.
+ *
+ * The SMP interface uses a socket and a to communicate. The syntax is strict
+ * XML, defined in the schema.xml specification.
+ */
+struct smp_t {
+
+ /**
+ * implements the plugin interface.
+ */
+ plugin_t plugin;
+};
+
+#endif /** XML_H_ @}*/