1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* 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 <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 <src/utils/address.h>
#include <src/config/controlRemoveRoute.h>
#include <src/utils/commands.h>
#include <src/utils/utils.h>
static CommandReturn _controlRemoveRoute_Execute(CommandParser *parser,
CommandOps *ops,
PARCList *args);
static CommandReturn _controlRemoveRoute_HelpExecute(CommandParser *parser,
CommandOps *ops,
PARCList *args);
// ===================================================
static const char *_commandRemoveRoute = "remove route";
static const char *_commandRemoveRouteHelp = "help remove route";
// ====================================================
CommandOps *controlRemoveRoute_Create(ControlState *state) {
return commandOps_Create(state, _commandRemoveRoute, NULL,
_controlRemoveRoute_Execute, commandOps_Destroy);
}
CommandOps *controlRemoveRoute_HelpCreate(ControlState *state) {
return commandOps_Create(state, _commandRemoveRouteHelp, NULL,
_controlRemoveRoute_HelpExecute, commandOps_Destroy);
}
// ====================================================
static CommandReturn _controlRemoveRoute_HelpExecute(CommandParser *parser,
CommandOps *ops,
PARCList *args) {
printf("commands:\n");
printf(" remove route <symbolic | connid> <prefix>\n");
return CommandReturn_Success;
}
static CommandReturn _controlRemoveRoute_Execute(CommandParser *parser,
CommandOps *ops,
PARCList *args) {
ControlState *state = ops->closure;
if (parcList_Size(args) != 4) {
_controlRemoveRoute_HelpExecute(parser, ops, args);
return CommandReturn_Failure;
}
const char *symbolicOrConnid = parcList_GetAtIndex(args, 2);
if (!utils_ValidateSymbolicName(symbolicOrConnid) &&
!utils_IsNumber(symbolicOrConnid)) {
printf(
"ERROR: Invalid symbolic or connid:\nsymbolic name must begin with an "
"alpha followed by alphanum;\nconnid must be an integer\n");
return CommandReturn_Failure;
}
const char *prefixStr = parcList_GetAtIndex(args, 3);
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';
}
if (len == 0) {
printf("ERROR: a prefix can not be of length 0\n");
free(addr);
return CommandReturn_Failure;
}
// allocate command payload
remove_route_command *removeRouteCommand =
parcMemory_AllocateAndClear(sizeof(remove_route_command));
// check and set IP address
if (inet_pton(AF_INET, addr, &removeRouteCommand->address.ipv4) == 1) {
if (len > 32) {
printf("ERROR: exceeded INET mask length, max=32\n");
parcMemory_Deallocate(&removeRouteCommand);
free(addr);
return CommandReturn_Failure;
}
removeRouteCommand->addressType = ADDR_INET;
} else if (inet_pton(AF_INET6, addr, &removeRouteCommand->address.ipv6) ==
1) {
if (len > 128) {
printf("ERROR: exceeded INET6 mask length, max=128\n");
parcMemory_Deallocate(&removeRouteCommand);
free(addr);
return CommandReturn_Failure;
}
removeRouteCommand->addressType = ADDR_INET6;
} else {
printf("Error: %s is not a valid network address \n", addr);
parcMemory_Deallocate(&removeRouteCommand);
free(addr);
return CommandReturn_Failure;
}
free(addr);
// Fill remaining payload fields
removeRouteCommand->len = len;
strcpy(removeRouteCommand->symbolicOrConnid, symbolicOrConnid);
// send message and receive response
struct iovec *response = utils_SendRequest(
state, REMOVE_ROUTE, removeRouteCommand, sizeof(remove_route_command));
if (!response) { // get NULL pointer
return CommandReturn_Failure;
}
parcMemory_Deallocate(&response); // free iovec pointer
return CommandReturn_Success;
}
|
