1 /* SPDX-License-Identifier: Apache-2.0
2 * Copyright(c) 2021 Cisco Systems, Inc.
7 #include <snort/snort.h>
10 format_snort_instance (u8 *s, va_list *args)
12 snort_instance_t *i = va_arg (*args, snort_instance_t *);
13 s = format (s, "%s [idx:%d sz:%d fd:%d]", i->name, i->index, i->shm_size,
20 snort_create_instance_command_fn (vlib_main_t *vm, unformat_input_t *input,
21 vlib_cli_command_t *cmd)
23 unformat_input_t _line_input, *line_input = &_line_input;
24 clib_error_t *err = 0;
26 u32 queue_size = 1024;
27 u8 drop_on_diconnect = 1;
29 /* Get a line of input. */
30 if (!unformat_user (input, unformat_line_input, line_input))
33 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
35 if (unformat (line_input, "queue-size %u", &queue_size))
37 else if (unformat (line_input, "on-disconnect drop"))
38 drop_on_diconnect = 1;
39 else if (unformat (line_input, "on-disconnect pass"))
40 drop_on_diconnect = 0;
41 else if (unformat (line_input, "name %s", &name))
45 err = clib_error_return (0, "unknown input `%U'",
46 format_unformat_error, input);
51 if (!is_pow2 (queue_size))
53 err = clib_error_return (0, "Queue size must be a power of two");
59 err = clib_error_return (0, "please specify instance name");
63 err = snort_instance_create (vm, (char *) name, min_log2 (queue_size),
68 unformat_free (line_input);
72 VLIB_CLI_COMMAND (snort_create_instance_command, static) = {
73 .path = "snort create-instance",
74 .short_help = "snort create-instaince name <name> [queue-size <size>] "
75 "[on-disconnect drop|pass]",
76 .function = snort_create_instance_command_fn,
80 snort_attach_command_fn (vlib_main_t *vm, unformat_input_t *input,
81 vlib_cli_command_t *cmd)
83 unformat_input_t _line_input, *line_input = &_line_input;
84 vnet_main_t *vnm = vnet_get_main ();
85 clib_error_t *err = 0;
89 /* Get a line of input. */
90 if (!unformat_user (input, unformat_line_input, line_input))
93 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
95 if (unformat (line_input, "interface %U", unformat_vnet_sw_interface,
98 else if (unformat (line_input, "instance %s", &name))
102 err = clib_error_return (0, "unknown input `%U'",
103 format_unformat_error, input);
108 if (sw_if_index == ~0)
110 err = clib_error_return (0, "please specify interface");
116 err = clib_error_return (0, "please specify instance name");
120 err = snort_interface_enable_disable (vm, (char *) name, sw_if_index, 1);
124 unformat_free (line_input);
128 VLIB_CLI_COMMAND (snort_attach_command, static) = {
129 .path = "snort attach",
130 .short_help = "snort attach instance <name> interface <if-name>",
131 .function = snort_attach_command_fn,
134 static clib_error_t *
135 snort_detach_command_fn (vlib_main_t *vm, unformat_input_t *input,
136 vlib_cli_command_t *cmd)
138 unformat_input_t _line_input, *line_input = &_line_input;
139 vnet_main_t *vnm = vnet_get_main ();
140 clib_error_t *err = 0;
141 u32 sw_if_index = ~0;
143 /* Get a line of input. */
144 if (!unformat_user (input, unformat_line_input, line_input))
147 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
149 if (unformat (line_input, "interface %U", unformat_vnet_sw_interface,
154 err = clib_error_return (0, "unknown input `%U'",
155 format_unformat_error, input);
160 if (sw_if_index == ~0)
162 err = clib_error_return (0, "please specify interface");
166 err = snort_interface_enable_disable (vm, 0, sw_if_index, 0);
169 unformat_free (line_input);
173 VLIB_CLI_COMMAND (snort_detach_command, static) = {
174 .path = "snort detach",
175 .short_help = "snort detach interface <if-name>",
176 .function = snort_detach_command_fn,
179 static clib_error_t *
180 snort_show_instances_command_fn (vlib_main_t *vm, unformat_input_t *input,
181 vlib_cli_command_t *cmd)
183 snort_main_t *sm = &snort_main;
184 snort_instance_t *si;
186 pool_foreach (si, sm->instances)
187 vlib_cli_output (vm, "%U", format_snort_instance, si);
192 VLIB_CLI_COMMAND (snort_show_instances_command, static) = {
193 .path = "show snort instances",
194 .short_help = "show snort instances",
195 .function = snort_show_instances_command_fn,
198 static clib_error_t *
199 snort_show_interfaces_command_fn (vlib_main_t *vm, unformat_input_t *input,
200 vlib_cli_command_t *cmd)
202 snort_main_t *sm = &snort_main;
203 vnet_main_t *vnm = vnet_get_main ();
204 snort_instance_t *si;
207 vlib_cli_output (vm, "interface\tsnort instance");
208 vec_foreach (index, sm->instance_by_sw_if_index)
212 si = vec_elt_at_index (sm->instances, index[0]);
213 vlib_cli_output (vm, "%U:\t%s", format_vnet_sw_if_index_name, vnm,
214 index - sm->instance_by_sw_if_index, si->name);
220 VLIB_CLI_COMMAND (snort_show_interfaces_command, static) = {
221 .path = "show snort interfaces",
222 .short_help = "show snort interfaces",
223 .function = snort_show_interfaces_command_fn,
226 static clib_error_t *
227 snort_show_clients_command_fn (vlib_main_t *vm, unformat_input_t *input,
228 vlib_cli_command_t *cmd)
230 snort_main_t *sm = &snort_main;
231 vlib_cli_output (vm, "number of clients: %d", pool_elts (sm->clients));
235 VLIB_CLI_COMMAND (snort_show_clients_command, static) = {
236 .path = "show snort clients",
237 .short_help = "show snort clients",
238 .function = snort_show_clients_command_fn,
241 static clib_error_t *
242 snort_mode_polling_command_fn (vlib_main_t *vm, unformat_input_t *input,
243 vlib_cli_command_t *cmd)
245 return snort_set_node_mode (vm, VLIB_NODE_STATE_POLLING);
248 static clib_error_t *
249 snort_mode_interrupt_command_fn (vlib_main_t *vm, unformat_input_t *input,
250 vlib_cli_command_t *cmd)
252 return snort_set_node_mode (vm, VLIB_NODE_STATE_INTERRUPT);
255 VLIB_CLI_COMMAND (snort_mode_polling_command, static) = {
256 .path = "snort mode polling",
257 .short_help = "snort mode polling|interrupt",
258 .function = snort_mode_polling_command_fn,
261 VLIB_CLI_COMMAND (snort_mode_interrupt_command, static) = {
262 .path = "snort mode interrupt",
263 .short_help = "snort mode polling|interrupt",
264 .function = snort_mode_interrupt_command_fn,
267 static clib_error_t *
268 snort_show_mode_command_fn (vlib_main_t *vm, unformat_input_t *input,
269 vlib_cli_command_t *cmd)
271 snort_main_t *sm = &snort_main;
273 sm->input_mode == VLIB_NODE_STATE_POLLING ? "polling" : "interrupt";
274 vlib_cli_output (vm, "input mode: %s", mode);
278 VLIB_CLI_COMMAND (snort_show_mode_command, static) = {
279 .path = "show snort mode",
280 .short_help = "show snort mode",
281 .function = snort_show_mode_command_fn,