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authorRene Mayrhofer <rene@mayrhofer.eu.org>2009-06-23 11:35:38 +0000
committerRene Mayrhofer <rene@mayrhofer.eu.org>2009-06-23 11:35:38 +0000
commit7c52c3f35cdbdff58443b994f2f33d13b4d81f57 (patch)
treee54a27979ea72ec41702bec2984c2eadac3b8862 /src/charon/plugins/attr/attr_provider.c
parent4ef45ba0404dac3773e83af995a5ec584b23d633 (diff)
downloadvyos-strongswan-7c52c3f35cdbdff58443b994f2f33d13b4d81f57.tar.gz
vyos-strongswan-7c52c3f35cdbdff58443b994f2f33d13b4d81f57.zip
Updated to new upstream version.
Diffstat (limited to 'src/charon/plugins/attr/attr_provider.c')
-rw-r--r--src/charon/plugins/attr/attr_provider.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/src/charon/plugins/attr/attr_provider.c b/src/charon/plugins/attr/attr_provider.c
new file mode 100644
index 000000000..02fa11327
--- /dev/null
+++ b/src/charon/plugins/attr/attr_provider.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2009 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 "attr_provider.h"
+
+#include <time.h>
+
+#include <daemon.h>
+
+#define SERVER_MAX 2
+
+typedef struct private_attr_provider_t private_attr_provider_t;
+typedef struct attribute_entry_t attribute_entry_t;
+
+/**
+ * private data of attr_provider
+ */
+struct private_attr_provider_t {
+
+ /**
+ * public functions
+ */
+ attr_provider_t public;
+
+ /**
+ * List of attributes, attribute_entry_t
+ */
+ linked_list_t *attributes;
+};
+
+struct attribute_entry_t {
+ /** type of attribute */
+ configuration_attribute_type_t type;
+ /** attribute value */
+ chunk_t value;
+};
+
+/**
+ * convert enumerator value from attribute_entry
+ */
+static bool attr_enum_filter(void *null, attribute_entry_t **in,
+ configuration_attribute_type_t *type, void* none, chunk_t *value)
+{
+ *type = (*in)->type;
+ *value = (*in)->value;
+ return TRUE;
+}
+
+/**
+ * Implementation of attribute_provider_t.create_attribute_enumerator
+ */
+static enumerator_t* create_attribute_enumerator(
+ private_attr_provider_t *this, identification_t *id)
+{
+ return enumerator_create_filter(
+ this->attributes->create_enumerator(this->attributes),
+ (void*)attr_enum_filter, NULL, NULL);
+}
+
+/**
+ * Implementation of attr_provider_t.destroy
+ */
+static void destroy(private_attr_provider_t *this)
+{
+ attribute_entry_t *entry;
+
+ while (this->attributes->remove_last(this->attributes,
+ (void**)&entry) == SUCCESS)
+ {
+ free(entry->value.ptr);
+ free(entry);
+ }
+ this->attributes->destroy(this->attributes);
+ free(this);
+}
+
+/**
+ * Add an attribute entry to the list
+ */
+static void add_entry(private_attr_provider_t *this, char *key, int nr,
+ configuration_attribute_type_t type)
+{
+ attribute_entry_t *entry;
+ host_t *host;
+ char *str;
+
+ str = lib->settings->get_str(lib->settings, "charon.%s%d", NULL, key, nr);
+ if (str)
+ {
+ host = host_create_from_string(str, 0);
+ if (host)
+ {
+ entry = malloc_thing(attribute_entry_t);
+
+ if (host->get_family(host) == AF_INET6)
+ {
+ switch (type)
+ {
+ case INTERNAL_IP4_DNS:
+ type = INTERNAL_IP6_DNS;
+ break;
+ case INTERNAL_IP4_NBNS:
+ type = INTERNAL_IP6_NBNS;
+ break;
+ default:
+ break;
+ }
+ }
+ entry->type = type;
+ entry->value = chunk_clone(host->get_address(host));
+ host->destroy(host);
+ this->attributes->insert_last(this->attributes, entry);
+ }
+ }
+}
+
+/*
+ * see header file
+ */
+attr_provider_t *attr_provider_create(database_t *db)
+{
+ private_attr_provider_t *this;
+ int i;
+
+ this = malloc_thing(private_attr_provider_t);
+
+ this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))return_null;
+ this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))return_false;
+ this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id))create_attribute_enumerator;
+ this->public.destroy = (void(*)(attr_provider_t*))destroy;
+
+ this->attributes = linked_list_create();
+
+ for (i = 1; i <= SERVER_MAX; i++)
+ {
+ add_entry(this, "dns", i, INTERNAL_IP4_DNS);
+ add_entry(this, "nbns", i, INTERNAL_IP4_NBNS);
+ }
+
+ return &this->public;
+}
+