Index: uspace/lib/c/generic/inetcfg.c
===================================================================
--- uspace/lib/c/generic/inetcfg.c	(revision 0e257807ac8e7107a9b9c4635b6c33527b8e21e9)
+++ uspace/lib/c/generic/inetcfg.c	(revision 0e257807ac8e7107a9b9c4635b6c33527b8e21e9)
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2012 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <async.h>
+#include <assert.h>
+#include <errno.h>
+#include <inet/inetcfg.h>
+#include <ipc/inet.h>
+#include <ipc/services.h>
+#include <loc.h>
+#include <stdlib.h>
+
+static async_sess_t *inetcfg_sess = NULL;
+
+static int inetcfg_get_ids_once(sysarg_t method, sysarg_t arg1,
+    sysarg_t *id_buf, size_t buf_size, size_t *act_size)
+{
+	async_exch_t *exch = async_exchange_begin(inetcfg_sess);
+
+	ipc_call_t answer;
+	aid_t req = async_send_1(exch, method, arg1, &answer);
+	int rc = async_data_read_start(exch, id_buf, buf_size);
+
+	async_exchange_end(exch);
+
+	if (rc != EOK) {
+		async_wait_for(req, NULL);
+		return rc;
+	}
+
+	sysarg_t retval;
+	async_wait_for(req, &retval);
+
+	if (retval != EOK) {
+		return retval;
+	}
+
+	*act_size = IPC_GET_ARG1(answer);
+	return EOK;
+}
+
+/** Get list of IDs.
+ *
+ * Returns an allocated array of service IDs.
+ *
+ * @param method	IPC method
+ * @param arg1		IPC argument 1
+ * @param data		Place to store pointer to array of IDs
+ * @param count		Place to store number of IDs
+ * @return 		EOK on success or negative error code
+ */
+static int inetcfg_get_ids_internal(sysarg_t method, sysarg_t arg1,
+    sysarg_t **data, size_t *count)
+{
+	*data = NULL;
+	*count = 0;
+
+	size_t act_size = 0;
+	int rc = inetcfg_get_ids_once(method, arg1, NULL, 0,
+	    &act_size);
+	if (rc != EOK)
+		return rc;
+
+	size_t alloc_size = act_size;
+	service_id_t *ids = malloc(alloc_size);
+	if (ids == NULL)
+		return ENOMEM;
+
+	while (true) {
+		rc = inetcfg_get_ids_once(method, arg1, ids, alloc_size,
+		    &act_size);
+		if (rc != EOK)
+			return rc;
+
+		if (act_size <= alloc_size)
+			break;
+
+		alloc_size = act_size;
+		ids = realloc(ids, alloc_size);
+		if (ids == NULL)
+			return ENOMEM;
+	}
+
+	*count = act_size / sizeof(sysarg_t);
+	*data = ids;
+	return EOK;
+}
+
+int inetcfg_init(void)
+{
+	service_id_t inet_svc;
+	int rc;
+
+	assert(inetcfg_sess == NULL);
+
+	rc = loc_service_get_id(SERVICE_NAME_INETCFG, &inet_svc,
+	    IPC_FLAG_BLOCKING);
+	if (rc != EOK)
+		return ENOENT;
+
+	inetcfg_sess = loc_service_connect(EXCHANGE_SERIALIZE, inet_svc,
+	    IPC_FLAG_BLOCKING);
+	if (inetcfg_sess == NULL)
+		return ENOENT;
+
+	return EOK;
+}
+
+int inetcfg_addr_create_static(const char *name, inet_naddr_t *naddr,
+    sysarg_t *addr_id)
+{
+	async_exch_t *exch = async_exchange_begin(inetcfg_sess);
+
+	int rc = async_req_2_1(exch, INETCFG_ADDR_CREATE_STATIC, naddr->ipv4,
+	    naddr->bits, addr_id);
+	async_exchange_end(exch);
+
+	return rc;
+}
+
+int inetcfg_addr_delete(sysarg_t addr_id)
+{
+	async_exch_t *exch = async_exchange_begin(inetcfg_sess);
+
+	int rc = async_req_1_0(exch, INETCFG_ADDR_DELETE, addr_id);
+	async_exchange_end(exch);
+
+	return rc;
+}
+
+int inetcfg_addr_get(sysarg_t addr_id, inet_addr_info_t *ainfo)
+{
+	sysarg_t ipv4, bits;
+	async_exch_t *exch = async_exchange_begin(inetcfg_sess);
+
+	int rc = async_req_1_2(exch, INETCFG_ADDR_GET, addr_id,
+	    &ipv4, &bits);
+	async_exchange_end(exch);
+
+	if (rc != EOK)
+		return rc;
+
+	ainfo->naddr.ipv4 = ipv4;
+	ainfo->naddr.bits = bits;
+	return EOK;
+}
+
+int inetcfg_get_addr_list(sysarg_t **addrs, size_t *count)
+{
+	return inetcfg_get_ids_internal(INETCFG_GET_ADDR_LIST,
+	    0, addrs, count);
+}
+
+int inetcfg_get_link_list(sysarg_t **links, size_t *count)
+{
+	return inetcfg_get_ids_internal(INETCFG_GET_LINK_LIST,
+	    0, links, count);
+}
+
+int inetcfg_link_get(sysarg_t link_id, inet_link_info_t *linfo)
+{
+	async_exch_t *exch = async_exchange_begin(inetcfg_sess);
+
+	int rc = async_req_1_0(exch, INETCFG_LINK_GET, link_id);
+	async_exchange_end(exch);
+
+	if (rc != EOK)
+		return rc;
+
+	linfo->dummy = 0;
+	return EOK;
+}
+
+/** @}
+ */
