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-rw-r--r--src/ipaddress.c200
1 files changed, 200 insertions, 0 deletions
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);
+}