--- /dev/null
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright(c) 2021 Cisco Systems, Inc.
+ */
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <snort/snort.h>
+
+static u8 *
+format_snort_instance (u8 *s, va_list *args)
+{
+ snort_instance_t *i = va_arg (*args, snort_instance_t *);
+ s = format (s, "%s [idx:%d sz:%d fd:%d]", i->name, i->index, i->shm_size,
+ i->shm_fd);
+
+ return s;
+}
+
+static clib_error_t *
+snort_create_instance_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ clib_error_t *err = 0;
+ u8 *name = 0;
+ u32 queue_size = 1024;
+ u8 drop_on_diconnect = 1;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "queue-size %u", &queue_size))
+ ;
+ else if (unformat (line_input, "on-disconnect drop"))
+ drop_on_diconnect = 1;
+ else if (unformat (line_input, "on-disconnect pass"))
+ drop_on_diconnect = 0;
+ else if (unformat (line_input, "name %s", &name))
+ ;
+ else
+ {
+ err = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+ }
+
+ if (!is_pow2 (queue_size))
+ {
+ err = clib_error_return (0, "Queue size must be a power of two");
+ goto done;
+ }
+
+ if (!name)
+ {
+ err = clib_error_return (0, "please specify instance name");
+ goto done;
+ }
+
+ err = snort_instance_create (vm, (char *) name, min_log2 (queue_size),
+ drop_on_diconnect);
+
+done:
+ vec_free (name);
+ unformat_free (line_input);
+ return err;
+}
+
+VLIB_CLI_COMMAND (snort_create_instance_command, static) = {
+ .path = "snort create-instance",
+ .short_help = "snort create-instaince name <name> [queue-size <size>] "
+ "[on-disconnect drop|pass]",
+ .function = snort_create_instance_command_fn,
+};
+
+static clib_error_t *
+snort_attach_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *err = 0;
+ u8 *name = 0;
+ u32 sw_if_index = ~0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "interface %U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "instance %s", &name))
+ ;
+ else
+ {
+ err = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+ }
+
+ if (sw_if_index == ~0)
+ {
+ err = clib_error_return (0, "please specify interface");
+ goto done;
+ }
+
+ if (!name)
+ {
+ err = clib_error_return (0, "please specify instance name");
+ goto done;
+ }
+
+ err = snort_interface_enable_disable (vm, (char *) name, sw_if_index, 1);
+
+done:
+ vec_free (name);
+ unformat_free (line_input);
+ return err;
+}
+
+VLIB_CLI_COMMAND (snort_attach_command, static) = {
+ .path = "snort attach",
+ .short_help = "snort attach instance <name> interface <if-name>",
+ .function = snort_attach_command_fn,
+};
+
+static clib_error_t *
+snort_detach_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_main_t *vnm = vnet_get_main ();
+ clib_error_t *err = 0;
+ u32 sw_if_index = ~0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "interface %U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ ;
+ else
+ {
+ err = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+ }
+
+ if (sw_if_index == ~0)
+ {
+ err = clib_error_return (0, "please specify interface");
+ goto done;
+ }
+
+ err = snort_interface_enable_disable (vm, 0, sw_if_index, 0);
+
+done:
+ unformat_free (line_input);
+ return err;
+}
+
+VLIB_CLI_COMMAND (snort_detach_command, static) = {
+ .path = "snort detach",
+ .short_help = "snort detach interface <if-name>",
+ .function = snort_detach_command_fn,
+};
+
+static clib_error_t *
+snort_show_instances_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ snort_main_t *sm = &snort_main;
+ snort_instance_t *si;
+
+ pool_foreach (si, sm->instances)
+ vlib_cli_output (vm, "%U", format_snort_instance, si);
+
+ return 0;
+}
+
+VLIB_CLI_COMMAND (snort_show_instances_command, static) = {
+ .path = "show snort instances",
+ .short_help = "show snort instances",
+ .function = snort_show_instances_command_fn,
+};
+
+static clib_error_t *
+snort_show_interfaces_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ snort_main_t *sm = &snort_main;
+ vnet_main_t *vnm = vnet_get_main ();
+ snort_instance_t *si;
+ u32 *index;
+
+ vlib_cli_output (vm, "interface\tsnort instance");
+ vec_foreach (index, sm->instance_by_sw_if_index)
+ {
+ if (index[0] != ~0)
+ {
+ si = vec_elt_at_index (sm->instances, index[0]);
+ vlib_cli_output (vm, "%U:\t%s", format_vnet_sw_if_index_name, vnm,
+ index - sm->instance_by_sw_if_index, si->name);
+ }
+ }
+ return 0;
+}
+
+VLIB_CLI_COMMAND (snort_show_interfaces_command, static) = {
+ .path = "show snort interfaces",
+ .short_help = "show snort interfaces",
+ .function = snort_show_interfaces_command_fn,
+};
+
+static clib_error_t *
+snort_show_clients_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ snort_main_t *sm = &snort_main;
+ vlib_cli_output (vm, "number of clients: %d", pool_elts (sm->clients));
+ return 0;
+}
+
+VLIB_CLI_COMMAND (snort_show_clients_command, static) = {
+ .path = "show snort clients",
+ .short_help = "show snort clients",
+ .function = snort_show_clients_command_fn,
+};
+
+static clib_error_t *
+snort_mode_polling_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ return snort_set_node_mode (vm, VLIB_NODE_STATE_POLLING);
+}
+
+static clib_error_t *
+snort_mode_interrupt_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ return snort_set_node_mode (vm, VLIB_NODE_STATE_INTERRUPT);
+}
+
+VLIB_CLI_COMMAND (snort_mode_polling_command, static) = {
+ .path = "snort mode polling",
+ .short_help = "snort mode polling|interrupt",
+ .function = snort_mode_polling_command_fn,
+};
+
+VLIB_CLI_COMMAND (snort_mode_interrupt_command, static) = {
+ .path = "snort mode interrupt",
+ .short_help = "snort mode polling|interrupt",
+ .function = snort_mode_interrupt_command_fn,
+};
+
+static clib_error_t *
+snort_show_mode_command_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ snort_main_t *sm = &snort_main;
+ char *mode =
+ sm->input_mode == VLIB_NODE_STATE_POLLING ? "polling" : "interrupt";
+ vlib_cli_output (vm, "input mode: %s", mode);
+ return 0;
+}
+
+VLIB_CLI_COMMAND (snort_show_mode_command, static) = {
+ .path = "show snort mode",
+ .short_help = "show snort mode",
+ .function = snort_show_mode_command_fn,
+};
Code Review / vpp.git / blobdiff