From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001
From: Luca Muscariello <lumuscar+fdio@cisco.com>
Date: Thu, 17 Jan 2019 13:47:57 +0100
Subject: This is the first commit of the hicn project

Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
---
 hicn-light/src/config/controlAddPunting.c | 154 ++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100755 hicn-light/src/config/controlAddPunting.c

(limited to 'hicn-light/src/config/controlAddPunting.c')

diff --git a/hicn-light/src/config/controlAddPunting.c b/hicn-light/src/config/controlAddPunting.c
new file mode 100755
index 000000000..bd87e517c
--- /dev/null
+++ b/hicn-light/src/config/controlAddPunting.c
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <src/config.h>
+
+#include <ctype.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+
+#include <parc/assert/parc_Assert.h>
+
+#include <parc/algol/parc_Memory.h>
+#include <parc/algol/parc_Network.h>
+#include <src/utils/punting.h>
+
+#include <src/config/controlAddPunting.h>
+
+#include <src/utils/commands.h>
+#include <src/utils/utils.h>
+
+static CommandReturn _controlAddPunting_Execute(CommandParser *parser,
+                                                CommandOps *ops,
+                                                PARCList *args);
+static CommandReturn _controlAddPunting_HelpExecute(CommandParser *parser,
+                                                    CommandOps *ops,
+                                                    PARCList *args);
+
+static const char *_commandAddPunting = "add punting";
+static const char *_commandAddPuntingHelp = "help add punting";
+
+static const int _indexSymbolic = 2;
+static const int _indexPrefix = 3;
+
+CommandOps *controlAddPunting_Create(ControlState *state) {
+  return commandOps_Create(state, _commandAddPunting, NULL,
+                           _controlAddPunting_Execute, commandOps_Destroy);
+}
+
+CommandOps *controlAddPunting_HelpCreate(ControlState *state) {
+  return commandOps_Create(state, _commandAddPuntingHelp, NULL,
+                           _controlAddPunting_HelpExecute, commandOps_Destroy);
+}
+
+// =====================================================
+
+static CommandReturn _controlAddPunting_HelpExecute(CommandParser *parser,
+                                                    CommandOps *ops,
+                                                    PARCList *args) {
+  printf("add punting <symbolic> <prefix>\n");
+  printf("    <symbolic> : listener symbolic name\n");
+  printf(
+      "    <address>  : prefix to add as a punting rule. (example "
+      "1234::0/64)\n");
+  printf("\n");
+
+  return CommandReturn_Success;
+}
+
+static CommandReturn _controlAddPunting_Execute(CommandParser *parser,
+                                                CommandOps *ops,
+                                                PARCList *args) {
+  ControlState *state = ops->closure;
+
+  if (parcList_Size(args) != 4) {
+    _controlAddPunting_HelpExecute(parser, ops, args);
+    return CommandReturn_Failure;
+  }
+
+  const char *symbolicOrConnid = parcList_GetAtIndex(args, _indexSymbolic);
+
+  if (!utils_ValidateSymbolicName(symbolicOrConnid) &&
+      !utils_IsNumber(symbolicOrConnid)) {
+    printf(
+        "ERROR: Invalid symbolic or connid:\n"
+        "symbolic name must begin with an alpha followed by alphanum;\nconnid "
+        "must be an integer\n");
+    return CommandReturn_Failure;
+  }
+
+  const char *prefixStr = parcList_GetAtIndex(args, _indexPrefix);
+  char addr[strlen(prefixStr) + 1];
+
+  // separate address and len
+  char *slash;
+  uint32_t len = 0;
+  strcpy(addr, prefixStr);
+  slash = strrchr(addr, '/');
+  if (slash != NULL) {
+    len = atoi(slash + 1);
+    *slash = '\0';
+  }
+
+  if (len == 0) {
+    printf("ERROR: a prefix can not be of length 0\n");
+    return CommandReturn_Failure;
+  }
+
+  // allocate command payload
+  add_punting_command *addPuntingCommand =
+      parcMemory_AllocateAndClear(sizeof(add_punting_command));
+
+  // check and set IP address
+  if (inet_pton(AF_INET, addr, &addPuntingCommand->address.ipv4) == 1) {
+    if (len > 32) {
+      printf("ERROR: exceeded INET mask length, max=32\n");
+      parcMemory_Deallocate(&addPuntingCommand);
+      return CommandReturn_Failure;
+    }
+    addPuntingCommand->addressType = ADDR_INET;
+  } else if (inet_pton(AF_INET6, addr, &addPuntingCommand->address.ipv6) == 1) {
+    if (len > 128) {
+      printf("ERROR: exceeded INET6 mask length, max=128\n");
+      parcMemory_Deallocate(&addPuntingCommand);
+      return CommandReturn_Failure;
+    }
+    addPuntingCommand->addressType = ADDR_INET6;
+  } else {
+    printf("Error: %s is not a valid network address \n", addr);
+    parcMemory_Deallocate(&addPuntingCommand);
+    return CommandReturn_Failure;
+  }
+
+  // Fill remaining payload fields
+  addPuntingCommand->len = len;
+  strcpy(addPuntingCommand->symbolicOrConnid, symbolicOrConnid);
+
+  // send message and receive response
+  struct iovec *response = utils_SendRequest(
+      state, ADD_PUNTING, addPuntingCommand, sizeof(add_punting_command));
+
+  if (!response) {  // get NULL pointer
+    return CommandReturn_Failure;
+  }
+
+  parcMemory_Deallocate(&response);  // free iovec pointer
+  return CommandReturn_Success;
+}
+
+// ======================================================================
-- 
cgit 1.2.3-korg