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/*
* Copyright (c) 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 <stdbool.h>
#include <vlib/vlib.h>
#include <vnet/crypto/crypto.h>
static clib_error_t *
show_crypto_engines_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_crypto_main_t *cm = &crypto_main;
vnet_crypto_engine_t *p;
if (unformat_user (input, unformat_line_input, line_input))
unformat_free (line_input);
if (vec_len (cm->engines) == 0)
{
vlib_cli_output (vm, "No crypto engines registered");
return 0;
}
vlib_cli_output (vm, "%-20s%-8s%s", "Name", "Prio", "Description");
/* *INDENT-OFF* */
vec_foreach (p, cm->engines)
{
vlib_cli_output (vm, "%-20s%-8u%s", p->name, p->priority, p->desc);
}
/* *INDENT-ON* */
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_crypto_engines_command, static) =
{
.path = "show crypto engines",
.short_help = "show crypto engines",
.function = show_crypto_engines_command_fn,
};
static u8 *
format_vnet_crypto_handlers (u8 * s, va_list * args)
{
vnet_crypto_alg_t alg = va_arg (*args, vnet_crypto_alg_t);
vnet_crypto_main_t *cm = &crypto_main;
vnet_crypto_alg_data_t *d = vec_elt_at_index (cm->algs, alg);
u32 indent = format_get_indent (s);
int i, first = 1;
for (i = 0; i < VNET_CRYPTO_OP_N_TYPES; i++)
{
vnet_crypto_op_data_t *od;
vnet_crypto_engine_t *e;
vnet_crypto_op_id_t id = d->op_by_type[i];
if (id == 0)
continue;
od = cm->opt_data + id;
if (first == 0)
s = format (s, "\n%U", format_white_space, indent);
s = format (s, "%-22U%-20U", format_vnet_crypto_op_type, od->type, 0,
format_vnet_crypto_engine, od->active_engine_index_simple,s);
vec_foreach (e, cm->engines)
{
if (e->ops_handlers[id] != 0)
s = format (s, "%U ", format_vnet_crypto_engine, e - cm->engines);
}
s = format (s, "\n%U", format_white_space, indent);
s = format (s, "%-22U%-20U", format_vnet_crypto_op_type, od->type, 1,
format_vnet_crypto_engine,
od->active_engine_index_chained);
vec_foreach (e, cm->engines)
{
if (e->chained_ops_handlers[id] != 0)
s = format (s, "%U ", format_vnet_crypto_engine, e - cm->engines);
}
first = 0;
}
return s;
}
static clib_error_t *
show_crypto_handlers_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
int i;
if (unformat_user (input, unformat_line_input, line_input))
unformat_free (line_input);
vlib_cli_output (vm, "%-20s%-22s%-20s%s", "Algo", "Type", "Active",
"Candidates");
for (i = 0; i < VNET_CRYPTO_N_ALGS; i++)
vlib_cli_output (vm, "%-20U%U", format_vnet_crypto_alg, i,
format_vnet_crypto_handlers, i);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_crypto_handlers_command, static) =
{
.path = "show crypto handlers",
.short_help = "show crypto handlers",
.function = show_crypto_handlers_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
set_crypto_handler_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_crypto_main_t *cm = &crypto_main;
int rc = 0;
char **args = 0, *s, **arg, *engine = 0;
int all = 0;
clib_error_t *error = 0;
crypto_op_class_type_t oct = CRYPTO_OP_BOTH;
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, "all"))
all = 1;
else if (unformat (line_input, "simple"))
oct = CRYPTO_OP_SIMPLE;
else if (unformat (line_input, "chained"))
oct = CRYPTO_OP_CHAINED;
else if (unformat (line_input, "both"))
oct = CRYPTO_OP_BOTH;
else if (unformat (line_input, "%s", &s))
vec_add1 (args, s);
else
{
error = clib_error_return (0, "invalid params");
goto done;
}
}
if ((vec_len (args) < 2 && !all) || (vec_len (args) == 0 && all))
{
error = clib_error_return (0, "missing cipher or engine!");
goto done;
}
engine = vec_elt_at_index (args, vec_len (args) - 1)[0];
vec_del1 (args, vec_len (args) - 1);
if (all)
{
char *key;
u8 *value;
/* *INDENT-OFF* */
hash_foreach_mem (key, value, cm->alg_index_by_name,
({
(void) value;
rc += vnet_crypto_set_handler2 (key, engine, oct);
}));
/* *INDENT-ON* */
if (rc)
vlib_cli_output (vm, "failed to set crypto engine!");
}
else
{
vec_foreach (arg, args)
{
rc = vnet_crypto_set_handler2 (arg[0], engine, oct);
if (rc)
{
vlib_cli_output (vm, "failed to set engine %s for %s!",
engine, arg[0]);
}
}
}
done:
vec_free (engine);
vec_foreach (arg, args) vec_free (arg[0]);
vec_free (args);
unformat_free (line_input);
return error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (set_crypto_handler_command, static) =
{
.path = "set crypto handler",
.short_help = "set crypto handler cipher [cipher2 cipher3 ...] engine"
" [simple|chained]",
.function = set_crypto_handler_command_fn,
};
/* *INDENT-ON* */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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