put some generic CLI code in mgmt-cli.c

1 files changed, 124 insertions, 0 deletions

diff --git a/projects/cli-test/mgmt-cli.c b/projects/cli-test/mgmt-cli.c
new file mode 100644
index 0000000..8d53515
--- /dev/null
+++ b/projects/cli-test/mgmt-cli.c
@@ -0,0 +1,124 @@
+/*
+ * 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);
+}