/*
* mgmt-cli.c
* ---------
* Management CLI code.
*
* Copyright (c) 2016, NORDUnet A/S All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the NORDUnet nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stm32f4xx_hal.h"
#include "stm-init.h"
#include "stm-led.h"
#include "stm-uart.h"
#include "mgmt-cli.h"
#include <string.h>
void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *buf)
{
char crlf[] = "\r\n";
uart_send_string2(STM_UART_MGMT, buf);
uart_send_string2(STM_UART_MGMT, crlf);
}
int uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count)
{
if (uart_recv_char2(STM_UART_MGMT, buf, count) != HAL_OK) {
return -1;
}
return 1;
}
int uart_cli_write(struct cli_def *cli __attribute__ ((unused)), const void *buf, size_t count)
{
uart_send_bytes(STM_UART_MGMT, (uint8_t *) buf, count);
return (int) count;
}
int embedded_cli_loop(struct cli_def *cli)
{
unsigned char c;
int n = 0;
static struct cli_loop_ctx ctx;
memset(&ctx, 0, sizeof(ctx));
ctx.insertmode = 1;
cli->state = CLI_STATE_LOGIN;
/* start off in unprivileged mode */
cli_set_privilege(cli, PRIVILEGE_UNPRIVILEGED);
cli_set_configmode(cli, MODE_EXEC, NULL);
cli_error(cli, "%s", cli->banner);
while (1) {
cli_loop_start_new_command(cli, &ctx);
HAL_GPIO_TogglePin(LED_PORT, LED_YELLOW);
while (1) {
HAL_GPIO_TogglePin(LED_PORT, LED_BLUE);
cli_loop_show_prompt(cli, &ctx);
n = cli_loop_read_next_char(cli, &ctx, &c);
//cli_print(cli, "Next char: '%c' (n == %i)", c, n);
if (n == CLI_LOOP_CTRL_BREAK)
break;
if (n == CLI_LOOP_CTRL_CONTINUE)
continue;
n = cli_loop_process_char(cli, &ctx, c);
if (n == CLI_LOOP_CTRL_BREAK)
break;
if (n == CLI_LOOP_CTRL_CONTINUE)
continue;
}
if (ctx.l < 0) break;
//cli_print(cli, "Process command: '%s'", ctx.cmd);
n = cli_loop_process_cmd(cli, &ctx);
if (n == CLI_LOOP_CTRL_BREAK)
break;
}
return CLI_OK;
}
void mgmt_cli_init(struct cli_def *cli)
{
cli_init(cli);
cli_read_callback(cli, uart_cli_read);
cli_write_callback(cli, uart_cli_write);
cli_print_callback(cli, uart_cli_print);
cli_set_banner(cli, "Cryptech Alpha");
cli_set_hostname(cli, "cryptech");
cli_telnet_protocol(cli, 0);
}
