ipconfig: Move IP address API into separate ipaddress.c file

Done so that connman_ipaddress_* functions can be used from
separate vpn daemon.

8 files changed, 266 insertions, 190 deletions

diff --git a/Makefile.am b/Makefile.am
index b845d6e2..a489c852 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,7 @@ include_HEADERS = include/types.h include/log.h include/plugin.h \
 			include/resolver.h include/ipconfig.h \
 			include/device.h include/network.h include/inet.h \
 			include/storage.h include/provision.h \
-			include/session.h
+			include/session.h include/ipaddress.h
 
 nodist_include_HEADERS = include/version.h
 
@@ -85,7 +85,7 @@ src_connmand_SOURCES = $(gdbus_sources) $(gdhcp_sources) $(gweb_sources) \
 			src/technology.c src/counter.c src/ntp.c \
 			src/session.c src/tethering.c src/wpad.c src/wispr.c \
 			src/stats.c src/iptables.c src/dnsproxy.c src/6to4.c \
-			src/ippool.c src/bridge.c src/nat.c
+			src/ippool.c src/bridge.c src/nat.c src/ipaddress.c
 
 src_connmand_LDADD = $(builtin_libadd) @GLIB_LIBS@ @DBUS_LIBS@ \
 				@XTABLES_LIBS@ @GNUTLS_LIBS@ -lresolv -ldl -lrt
diff --git a/include/ipaddress.h b/include/ipaddress.h
new file mode 100644
index 00000000..9fff622e
--- /dev/null
+++ b/include/ipaddress.h
@@ -0,0 +1,56 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifndef __CONNMAN_IPADDRESS_H
+#define __CONNMAN_IPADDRESS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * SECTION:ipaddress
+ * @title: IP address premitives
+ * @short_description: Functions for IP address handling
+ */
+
+struct connman_ipaddress;
+
+struct connman_ipaddress *connman_ipaddress_alloc(int family);
+void connman_ipaddress_free(struct connman_ipaddress *ipaddress);
+int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
+				const char *address, const char *netmask,
+				const char *gateway);
+int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
+				const char *address,
+				unsigned char prefix_length,
+				const char *gateway);
+void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
+				const char *peer);
+void connman_ipaddress_clear(struct connman_ipaddress *ipaddress);
+void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
+					struct connman_ipaddress *source);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CONNMAN_IPADDRESS_H */
diff --git a/include/ipconfig.h b/include/ipconfig.h
index 3612755a..a86b2955 100644
--- a/include/ipconfig.h
+++ b/include/ipconfig.h
@@ -22,6 +22,8 @@
 #ifndef __CONNMAN_IPCONFIG_H
 #define __CONNMAN_IPCONFIG_H
 
+#include <connman/ipaddress.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -32,23 +34,6 @@ extern "C" {
  * @short_description: Functions for IP configuration handling
  */
 
-struct connman_ipaddress;
-
-struct connman_ipaddress *connman_ipaddress_alloc(int family);
-void connman_ipaddress_free(struct connman_ipaddress *ipaddress);
-int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
-				const char *address, const char *netmask,
-				const char *gateway);
-int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
-				const char *address,
-				unsigned char prefix_length,
-				const char *gateway);
-void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
-				const char *peer);
-void connman_ipaddress_clear(struct connman_ipaddress *ipaddress);
-void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
-					struct connman_ipaddress *source);
-
 enum connman_ipconfig_type {
 	CONNMAN_IPCONFIG_TYPE_UNKNOWN = 0,
 	CONNMAN_IPCONFIG_TYPE_ALL     = 0,
diff --git a/src/connman.h b/src/connman.h
index 613d1dc9..014552a4 100644
--- a/src/connman.h
+++ b/src/connman.h
@@ -350,7 +350,7 @@ int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig);
 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig);
 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig);
 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig);
-unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask);
+unsigned char __connman_ipaddress_netmask_prefix_len(const char *netmask);
 
 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
 							const char *url);
diff --git a/src/dhcp.c b/src/dhcp.c
index e64c975a..f32bfaef 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -227,7 +227,7 @@ static void lease_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
 	if (option != NULL)
 		gateway = g_strdup(option->data);
 
-	prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
+	prefixlen = __connman_ipaddress_netmask_prefix_len(netmask);
 	if (prefixlen == 255)
 		connman_warn("netmask: %s is invalid", netmask);
 
@@ -375,7 +375,7 @@ static void ipv4ll_available_cb(GDHCPClient *dhcp_client, gpointer user_data)
 	address = g_dhcp_client_get_address(dhcp_client);
 	netmask = g_dhcp_client_get_netmask(dhcp_client);
 
-	prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
+	prefixlen = __connman_ipaddress_netmask_prefix_len(netmask);
 
 	__connman_ipconfig_set_method(ipconfig, CONNMAN_IPCONFIG_METHOD_DHCP);
 	__connman_ipconfig_set_local(ipconfig, address);
diff --git a/src/ipaddress.c b/src/ipaddress.c
new file mode 100644
index 00000000..e5af9a06
--- /dev/null
+++ b/src/ipaddress.c
@@ -0,0 +1,200 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <glib.h>
+
+#include <connman/ipaddress.h>
+
+#include "connman.h"
+
+struct connman_ipaddress *connman_ipaddress_alloc(int family)
+{
+	struct connman_ipaddress *ipaddress;
+
+	ipaddress = g_try_new0(struct connman_ipaddress, 1);
+	if (ipaddress == NULL)
+		return NULL;
+
+	ipaddress->family = family;
+	ipaddress->prefixlen = 0;
+	ipaddress->local = NULL;
+	ipaddress->peer = NULL;
+	ipaddress->broadcast = NULL;
+	ipaddress->gateway = NULL;
+
+	return ipaddress;
+}
+
+void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
+{
+	if (ipaddress == NULL)
+		return;
+
+	g_free(ipaddress->broadcast);
+	g_free(ipaddress->peer);
+	g_free(ipaddress->local);
+	g_free(ipaddress->gateway);
+	g_free(ipaddress);
+}
+
+unsigned char __connman_ipaddress_netmask_prefix_len(const char *netmask)
+{
+	unsigned char bits;
+	in_addr_t mask;
+	in_addr_t host;
+
+	if (netmask == NULL)
+		return 32;
+
+	mask = inet_network(netmask);
+	host = ~mask;
+
+	/* a valid netmask must be 2^n - 1 */
+	if ((host & (host + 1)) != 0)
+		return -1;
+
+	bits = 0;
+	for (; mask; mask <<= 1)
+		++bits;
+
+	return bits;
+}
+
+static gboolean check_ipv6_address(const char *address)
+{
+	unsigned char buf[sizeof(struct in6_addr)];
+	int err;
+
+	if (address == NULL)
+		return FALSE;
+
+	err = inet_pton(AF_INET6, address, buf);
+	if (err > 0)
+		return TRUE;
+
+	return FALSE;
+}
+
+int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
+				const char *address,
+				unsigned char prefix_length,
+				const char *gateway)
+{
+	if (ipaddress == NULL)
+		return -EINVAL;
+
+	if (check_ipv6_address(address) == FALSE)
+		return -EINVAL;
+
+	DBG("prefix_len %d address %s gateway %s",
+			prefix_length, address, gateway);
+
+	ipaddress->family = AF_INET6;
+
+	ipaddress->prefixlen = prefix_length;
+
+	g_free(ipaddress->local);
+	ipaddress->local = g_strdup(address);
+
+	g_free(ipaddress->gateway);
+	ipaddress->gateway = g_strdup(gateway);
+
+	return 0;
+}
+
+int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
+		const char *address, const char *netmask, const char *gateway)
+{
+	if (ipaddress == NULL)
+		return -EINVAL;
+
+	ipaddress->family = AF_INET;
+
+	ipaddress->prefixlen = __connman_ipaddress_netmask_prefix_len(netmask);
+
+	g_free(ipaddress->local);
+	ipaddress->local = g_strdup(address);
+
+	g_free(ipaddress->gateway);
+	ipaddress->gateway = g_strdup(gateway);
+
+	return 0;
+}
+
+void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
+				const char *peer)
+{
+	if (ipaddress == NULL)
+		return;
+
+	g_free(ipaddress->peer);
+	ipaddress->peer = g_strdup(peer);
+}
+
+void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
+{
+	if (ipaddress == NULL)
+		return;
+
+	ipaddress->prefixlen = 0;
+
+	g_free(ipaddress->local);
+	ipaddress->local = NULL;
+
+	g_free(ipaddress->peer);
+	ipaddress->peer = NULL;
+
+	g_free(ipaddress->broadcast);
+	ipaddress->broadcast = NULL;
+
+	g_free(ipaddress->gateway);
+	ipaddress->gateway = NULL;
+}
+
+void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
+					struct connman_ipaddress *source)
+{
+	if (ipaddress == NULL || source == NULL)
+		return;
+
+	ipaddress->family = source->family;
+	ipaddress->prefixlen = source->prefixlen;
+
+	g_free(ipaddress->local);
+	ipaddress->local = g_strdup(source->local);
+
+	g_free(ipaddress->peer);
+	ipaddress->peer = g_strdup(source->peer);
+
+	g_free(ipaddress->broadcast);
+	ipaddress->broadcast = g_strdup(source->broadcast);
+
+	g_free(ipaddress->gateway);
+	ipaddress->gateway = g_strdup(source->gateway);
+}
diff --git a/src/ipconfig.c b/src/ipconfig.c
index aa7a03db..3cb0d9bb 100644
--- a/src/ipconfig.c
+++ b/src/ipconfig.c
@@ -36,6 +36,7 @@
 #endif
 
 #include <gdbus.h>
+#include <connman/ipaddress.h>
 
 #include "connman.h"
 
@@ -91,150 +92,6 @@ static GHashTable *ipdevice_hash = NULL;
 static GList *ipconfig_list = NULL;
 static connman_bool_t is_ipv6_supported = FALSE;
 
-struct connman_ipaddress *connman_ipaddress_alloc(int family)
-{
-	struct connman_ipaddress *ipaddress;
-
-	ipaddress = g_try_new0(struct connman_ipaddress, 1);
-	if (ipaddress == NULL)
-		return NULL;
-
-	ipaddress->family = family;
-	ipaddress->prefixlen = 0;
-	ipaddress->local = NULL;
-	ipaddress->peer = NULL;
-	ipaddress->broadcast = NULL;
-	ipaddress->gateway = NULL;
-
-	return ipaddress;
-}
-
-void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
-{
-	if (ipaddress == NULL)
-		return;
-
-	g_free(ipaddress->broadcast);
-	g_free(ipaddress->peer);
-	g_free(ipaddress->local);
-	g_free(ipaddress->gateway);
-	g_free(ipaddress);
-}
-
-unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
-{
-	unsigned char bits;
-	in_addr_t mask;
-	in_addr_t host;
-
-	if (netmask == NULL)
-		return 32;
-
-	mask = inet_network(netmask);
-	host = ~mask;
-
-	/* a valid netmask must be 2^n - 1 */
-	if ((host & (host + 1)) != 0)
-		return -1;
-
-	bits = 0;
-	for (; mask; mask <<= 1)
-		++bits;
-
-	return bits;
-}
-
-static gboolean check_ipv6_address(const char *address)
-{
-	unsigned char buf[sizeof(struct in6_addr)];
-	int err;
-
-	if (address == NULL)
-		return FALSE;
-
-	err = inet_pton(AF_INET6, address, buf);
-	if (err > 0)
-		return TRUE;
-
-	return FALSE;
-}
-
-int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
-				const char *address,
-				unsigned char prefix_length,
-				const char *gateway)
-{
-	if (ipaddress == NULL)
-		return -EINVAL;
-
-	if (check_ipv6_address(address) == FALSE)
-		return -EINVAL;
-
-	DBG("prefix_len %d address %s gateway %s",
-			prefix_length, address, gateway);
-
-	ipaddress->family = AF_INET6;
-
-	ipaddress->prefixlen = prefix_length;
-
-	g_free(ipaddress->local);
-	ipaddress->local = g_strdup(address);
-
-	g_free(ipaddress->gateway);
-	ipaddress->gateway = g_strdup(gateway);
-
-	return 0;
-}
-
-int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
-		const char *address, const char *netmask, const char *gateway)
-{
-	if (ipaddress == NULL)
-		return -EINVAL;
-
-	ipaddress->family = AF_INET;
-
-	ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
-
-	g_free(ipaddress->local);
-	ipaddress->local = g_strdup(address);
-
-	g_free(ipaddress->gateway);
-	ipaddress->gateway = g_strdup(gateway);
-
-	return 0;
-}
-
-void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
-				const char *peer)
-{
-	if (ipaddress == NULL)
-		return;
-
-	g_free(ipaddress->peer);
-	ipaddress->peer = g_strdup(peer);
-}
-
-void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
-{
-	if (ipaddress == NULL)
-		return;
-
-	ipaddress->prefixlen = 0;
-
-	g_free(ipaddress->local);
-	ipaddress->local = NULL;
-
-	g_free(ipaddress->peer);
-	ipaddress->peer = NULL;
-
-	g_free(ipaddress->broadcast);
-	ipaddress->broadcast = NULL;
-
-	g_free(ipaddress->gateway);
-	ipaddress->gateway = NULL;
-}
-
 void __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
 {
 	if (ipconfig == NULL)
@@ -243,28 +100,6 @@ void __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
 	connman_ipaddress_clear(ipconfig->address);
 }
 
-void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
-					struct connman_ipaddress *source)
-{
-	if (ipaddress == NULL || source == NULL)
-		return;
-
-	ipaddress->family = source->family;
-	ipaddress->prefixlen = source->prefixlen;
-
-	g_free(ipaddress->local);
-	ipaddress->local = g_strdup(source->local);
-
-	g_free(ipaddress->peer);
-	ipaddress->peer = g_strdup(source->peer);
-
-	g_free(ipaddress->broadcast);
-	ipaddress->broadcast = g_strdup(source->broadcast);
-
-	g_free(ipaddress->gateway);
-	ipaddress->gateway = g_strdup(source->gateway);
-}
-
 static void free_address_list(struct connman_ipdevice *ipdevice)
 {
 	GSList *list;
diff --git a/src/tethering.c b/src/tethering.c
index b9df21b3..ab892d3a 100644
--- a/src/tethering.c
+++ b/src/tethering.c
@@ -247,7 +247,7 @@ void __connman_tethering_set_enabled(void)
 	}
 
 	prefixlen =
-		__connman_ipconfig_netmask_prefix_len(subnet_mask);
+		__connman_ipaddress_netmask_prefix_len(subnet_mask);
 	__connman_nat_enable(BRIDGE_NAME, start_ip, prefixlen);
 
 	DBG("tethering started");
@@ -300,7 +300,7 @@ static void setup_tun_interface(unsigned int flags, unsigned change,
 	server_ip = __connman_ippool_get_start_ip(pn->pool);
 	peer_ip = __connman_ippool_get_end_ip(pn->pool);
 	prefixlen =
-		__connman_ipconfig_netmask_prefix_len(subnet_mask);
+		__connman_ipaddress_netmask_prefix_len(subnet_mask);
 
 	if ((__connman_inet_modify_address(RTM_NEWADDR,
 				NLM_F_REPLACE | NLM_F_ACK, pn->index, AF_INET,