diff options
Diffstat (limited to 'hicn-light/src/hicn/config/controlRemovePolicy.c')
-rw-r--r-- | hicn-light/src/hicn/config/controlRemovePolicy.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/config/controlRemovePolicy.c b/hicn-light/src/hicn/config/controlRemovePolicy.c new file mode 100644 index 000000000..510203886 --- /dev/null +++ b/hicn-light/src/hicn/config/controlRemovePolicy.c @@ -0,0 +1,139 @@ +/* + * 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. + */ + +#ifdef WITH_POLICY + +#include <hicn/hicn-light/config.h> + +#include <ctype.h> +#include <parc/algol/parc_List.h> +#include <parc/algol/parc_Memory.h> +#include <parc/algol/parc_Network.h> +#include <parc/assert/parc_Assert.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include <hicn/utils/address.h> + +#include <hicn/config/controlRemovePolicy.h> + +#include <hicn/utils/commands.h> +#include <hicn/utils/utils.h> + +static CommandReturn _controlRemovePolicy_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args); +static CommandReturn _controlRemovePolicy_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args); + +// =================================================== + +static const char *_commandRemovePolicy = "remove policy"; +static const char *_commandRemovePolicyHelp = "help remove policy"; + +// ==================================================== + +CommandOps *controlRemovePolicy_Create(ControlState *state) { + return commandOps_Create(state, _commandRemovePolicy, NULL, + _controlRemovePolicy_Execute, commandOps_Destroy); +} + +CommandOps *controlRemovePolicy_HelpCreate(ControlState *state) { + return commandOps_Create(state, _commandRemovePolicyHelp, NULL, + _controlRemovePolicy_HelpExecute, commandOps_Destroy); +} + +// ==================================================== + +static CommandReturn _controlRemovePolicy_HelpExecute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + printf("commands:\n"); + printf(" remove policy <prefix>\n"); + return CommandReturn_Success; +} + +static CommandReturn _controlRemovePolicy_Execute(CommandParser *parser, + CommandOps *ops, + PARCList *args) { + ControlState *state = ops->closure; + + if (parcList_Size(args) != 3) { + _controlRemovePolicy_HelpExecute(parser, ops, args); + return CommandReturn_Failure; + } + + const char *prefixStr = parcList_GetAtIndex(args, 2); + char *addr = (char *)malloc(sizeof(char) * (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'; + } + + // allocate command payload + remove_policy_command *removePolicyCommand = + parcMemory_AllocateAndClear(sizeof(remove_policy_command)); + + // check and set IP address + if (inet_pton(AF_INET, addr, &removePolicyCommand->address.ipv4) == 1) { + if (len > 32) { + printf("ERROR: exceeded INET mask length, max=32\n"); + parcMemory_Deallocate(&removePolicyCommand); + free(addr); + return CommandReturn_Failure; + } + removePolicyCommand->addressType = ADDR_INET; + } else if (inet_pton(AF_INET6, addr, &removePolicyCommand->address.ipv6) == + 1) { + if (len > 128) { + printf("ERROR: exceeded INET6 mask length, max=128\n"); + parcMemory_Deallocate(&removePolicyCommand); + free(addr); + return CommandReturn_Failure; + } + removePolicyCommand->addressType = ADDR_INET6; + } else { + printf("Error: %s is not a valid network address \n", addr); + parcMemory_Deallocate(&removePolicyCommand); + free(addr); + return CommandReturn_Failure; + } + + free(addr); + // Fill remaining payload fields + removePolicyCommand->len = len; + + // send message and receive response + struct iovec *response = utils_SendRequest( + state, REMOVE_POLICY, removePolicyCommand, sizeof(remove_policy_command)); + + if (!response) { // get NULL pointer + return CommandReturn_Failure; + } + + parcMemory_Deallocate(&response); // free iovec pointer + return CommandReturn_Success; +} + +#endif /* WITH_POLICY */ |