From dae15c284248d49079ad5f8a3d8ff30e217f419e Mon Sep 17 00:00:00 2001
From: Dimitri Staessens <dimitri@ouroboros.rocks>
Date: Thu, 25 Jul 2019 12:50:46 +0200
Subject: build: Refactor normal to unicast

This completes the renaming of the normal IPCP to the unicast IPCP in
the sources, to get everything consistent with the documentation.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
---
 src/ipcpd/unicast/pol/flat.c | 87 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 src/ipcpd/unicast/pol/flat.c

(limited to 'src/ipcpd/unicast/pol/flat.c')

diff --git a/src/ipcpd/unicast/pol/flat.c b/src/ipcpd/unicast/pol/flat.c
new file mode 100644
index 00000000..157885f9
--- /dev/null
+++ b/src/ipcpd/unicast/pol/flat.c
@@ -0,0 +1,87 @@
+/*
+ * Ouroboros - Copyright (C) 2016 - 2019
+ *
+ * Policy for flat addresses in a distributed way
+ *
+ *    Dimitri Staessens <dimitri.staessens@ugent.be>
+ *    Sander Vrijders   <sander.vrijders@ugent.be>
+ *
+ * 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., http://www.fsf.org/about/contact/.
+ */
+
+#if defined(__linux__) || defined(__CYGWIN__)
+#define _DEFAULT_SOURCE
+#else
+#define _POSIX_C_SOURCE 200112L
+#endif
+
+#define OUROBOROS_PREFIX "flat-addr-auth"
+
+#include <ouroboros/logs.h>
+#include <ouroboros/errno.h>
+#include <ouroboros/time_utils.h>
+#include <ouroboros/utils.h>
+
+#include "ipcp.h"
+#include "flat.h"
+
+#include <time.h>
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <assert.h>
+
+#define NAME_LEN 8
+
+struct {
+        uint8_t addr_size;
+} flat;
+
+#define INVALID_ADDRESS 0
+
+struct pol_addr_auth_ops flat_ops = {
+        .init    = flat_init,
+        .fini    = flat_fini,
+        .address = flat_address
+};
+
+int flat_init(const void * info)
+{
+        flat.addr_size = *((uint8_t *) info);
+
+        if (flat.addr_size != 4) {
+                log_err("Flat address policy mandates 4 byte addresses.");
+                return -1;
+        }
+
+        return 0;
+}
+
+int flat_fini(void)
+{
+        return 0;
+}
+
+uint64_t flat_address(void)
+{
+        struct timespec t;
+        uint32_t        addr;
+
+        clock_gettime(CLOCK_REALTIME, &t);
+        srand(t.tv_nsec);
+
+        addr = (rand() % (RAND_MAX - 1) + 1) & 0xFFFFFFFF;
+
+        return addr;
+}
-- 
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