/*
+ * Copyright (C) 2010-2011 Tobias Brunner
* Copyright (C) 2010 Martin Willi
- * Copyright (C) 2010 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* List of registered DNS servers
*/
linked_list_t *dns;
+
+ /**
+ * Whether the VPN frontend is used
+ */
+ bool frontend;
};
+/**
+ * Prefixes to be used when installing DNS servers
+ */
+#define DNS_PREFIX_DEFAULT "net"
+#define DNS_PREFIX_FRONTEND "vpn"
+
/**
* Struct to store a pair of old and installed DNS servers
*/
/**
* Read DNS server property with a given index
*/
-host_t *get_dns_server(int index)
+host_t *get_dns_server(private_android_handler_t *this, int index)
{
host_t *dns = NULL;
- char key[10], value[PROPERTY_VALUE_MAX];
+ char key[10], value[PROPERTY_VALUE_MAX],
+ *prefix = this->frontend ? DNS_PREFIX_FRONTEND : DNS_PREFIX_DEFAULT;
- if (snprintf(key, sizeof(key), "vpn.dns%d", index) >= sizeof(key))
+ if (snprintf(key, sizeof(key), "%s.dns%d", prefix, index) >= sizeof(key))
{
return NULL;
}
/**
* Set DNS server property with a given index
*/
-bool set_dns_server(int index, host_t *dns)
+bool set_dns_server(private_android_handler_t *this, int index, host_t *dns)
{
- char key[10], value[PROPERTY_VALUE_MAX];
+ char key[10], value[PROPERTY_VALUE_MAX],
+ *prefix = this->frontend ? DNS_PREFIX_FRONTEND : DNS_PREFIX_DEFAULT;
- if (snprintf(key, sizeof(key), "vpn.dns%d", index) >= sizeof(key))
+ if (snprintf(key, sizeof(key), "%s.dns%d", prefix, index) >= sizeof(key))
{
return FALSE;
}
pair = malloc_thing(dns_pair_t);
pair->dns = dns;
index = this->dns->get_count(this->dns) + 1;
- pair->old = get_dns_server(index);
- set_dns_server(index, dns);
+ pair->old = get_dns_server(this, index);
+ set_dns_server(this, index, dns);
this->dns->insert_last(this->dns, pair);
return TRUE;
}
if (chunk_equals(pair->dns->get_address(pair->dns), data))
{
this->dns->remove_at(this->dns, enumerator);
- set_dns_server(index, pair->old);
+ set_dns_server(this, index, pair->old);
destroy_dns_pair(pair);
}
}
/**
* See header
*/
-android_handler_t *android_handler_create()
+android_handler_t *android_handler_create(bool frontend)
{
private_android_handler_t *this;
.destroy = _destroy,
},
.dns = linked_list_create(),
+ .frontend = frontend,
);
return &this->public;