diff options
Diffstat (limited to 'hicn-light/src/config/controlAddPunting.c')
-rwxr-xr-x | hicn-light/src/config/controlAddPunting.c | 154 |
1 files changed, 154 insertions, 0 deletions
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; +} + +// ====================================================================== |