1 files changed, 107 insertions, 0 deletions
diff --git a/dhcpcd/ipv4.h b/dhcpcd/ipv4.h
new file mode 100644
index 00000000..bf85294b
--- /dev/null
+++ b/dhcpcd/ipv4.h
@@ -0,0 +1,107 @@
+/*
+ * dhcpcd - DHCP client daemon
+ * Copyright (c) 2006-2013 Roy Marples <roy@marples.name>
+ * All rights reserved
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ */
+
+#ifndef IPV4_H
+#define IPV4_H
+
+#include "dhcpcd.h"
+
+struct rt {
+	TAILQ_ENTRY(rt) next;
+	struct in_addr dest;
+	struct in_addr net;
+	struct in_addr gate;
+	const struct interface *iface;
+	int metric;
+	struct in_addr src;
+};
+TAILQ_HEAD(rt_head, rt);
+
+struct ipv4_addr {
+	TAILQ_ENTRY(ipv4_addr) next;
+	struct in_addr addr;
+	struct in_addr net;
+	struct in_addr dst;
+};
+TAILQ_HEAD(ipv4_addrhead, ipv4_addr);
+
+struct ipv4_state {
+	struct ipv4_addrhead addrs;
+};
+
+#define IPV4_STATE(ifp)							       \
+	((struct ipv4_state *)(ifp)->if_data[IF_DATA_IPV4])
+#define IPV4_CSTATE(ifp)						       \
+	((const struct ipv4_state *)(ifp)->if_data[IF_DATA_IPV4])
+
+#ifdef INET
+int ipv4_init(void);
+int inet_ntocidr(struct in_addr);
+int inet_cidrtoaddr(int, struct in_addr *);
+uint32_t ipv4_getnetmask(uint32_t);
+int ipv4_addrexists(const struct in_addr *);
+
+void ipv4_buildroutes(void);
+void ipv4_applyaddr(void *);
+int ipv4_routedeleted(const struct rt *);
+
+struct ipv4_addr *ipv4_findaddr(struct interface *,
+    const struct in_addr *, const struct in_addr *);
+void ipv4_handleifa(int, struct if_head *, const char *,
+    const struct in_addr *, const struct in_addr *, const struct in_addr *);
+
+int if_address(const struct interface *,
+    const struct in_addr *, const struct in_addr *,
+    const struct in_addr *, int);
+#define ipv4_addaddress(iface, addr, net, brd)				      \
+	if_address(iface, addr, net, brd, 1)
+#define ipv4_setaddress(iface, addr, net, brd)				      \
+	if_address(iface, addr, net, brd, 2)
+#define ipv4_deleteaddress(iface, addr, net)				      \
+	if_address(iface, addr, net, NULL, -1)
+
+int if_route(const struct rt *rt, int);
+#define ipv4_addroute(rt) if_route(rt, 1)
+#define ipv4_changeroute(rt) if_route(rt, 0)
+#define ipv4_deleteroute(rt) if_route(rt, -1)
+#define del_src_route(rt) i_route(rt, -2);
+void ipv4_freeroutes(struct rt_head *);
+
+int ipv4_opensocket(struct interface *, int);
+ssize_t ipv4_sendrawpacket(const struct interface *,
+    int, const void *, ssize_t);
+ssize_t ipv4_getrawpacket(struct interface *, int, void *, ssize_t, int *);
+void ipv4_free(struct interface *);
+#else
+#define ipv4_init() (-1)
+#define ipv4_applyaddr(a) {}
+#define ipv4_freeroutes(a) {}
+#define ipv4_free(a) {}
+#define ipv4_addrexists(a) (0)
+#endif
+
+#endif