* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#include "config.h"
#endif
-#include "replacements.h"
-
#include "telnet_server.h"
-
-#include "server.h"
-#include "log.h"
-#include "command.h"
-#include "target.h"
#include "target_request.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <ctype.h>
-
-static unsigned short telnet_port = 0;
-
-int handle_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_telnet_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static unsigned short telnet_port = 4444;
static char *negotiate =
"\xFF\xFB\x03" /* IAC WILL Suppress Go Ahead */
telnet_write(connection, line, len);
if (line_end)
{
- telnet_write(connection, "\r\n\0", 3);
- line += len+1;
+ telnet_write(connection, "\r\n", 2);
+ line += len + 1;
}
else
{
return ERROR_OK;
}
-int telnet_output(struct command_context_s *cmd_ctx, char* line)
+int telnet_output(struct command_context_s *cmd_ctx, const char* line)
{
connection_t *connection = cmd_ctx->output_handler_priv;
return telnet_outputline(connection, line);
}
-void telnet_log_callback(void *priv, const char *file, int line,
+void telnet_log_callback(void *priv, const char *file, unsigned line,
const char *function, const char *string)
{
connection_t *connection = priv;
/* clear the command line */
telnet_write(connection, "\r", 1);
- for (i = strlen(t_con->prompt) + t_con->line_size; i>0; i-=16)
- telnet_write(connection, " ", i>16 ? 16 : i);
+ for (i = strlen(t_con->prompt) + t_con->line_size; i > 0; i -= 16)
+ telnet_write(connection, " ", i > 16 ? 16 : i);
telnet_write(connection, "\r", 1);
/* output the message */
/* put the command line to its previous state */
telnet_prompt(connection);
telnet_write(connection, t_con->line, t_con->line_size);
- for (i=t_con->line_size; i>t_con->line_cursor; i--)
+ for (i = t_con->line_size; i > t_con->line_cursor; i--)
telnet_write(connection, "\b", 1);
}
-int telnet_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv)
-{
- switch (event)
- {
- case TARGET_EVENT_HALTED:
- target_arch_state(target);
- break;
- default:
- break;
- }
-
- return ERROR_OK;
-}
-
int telnet_new_connection(connection_t *connection)
{
telnet_connection_t *telnet_connection = malloc(sizeof(telnet_connection_t));
if (telnet_service->banner)
{
telnet_write(connection, telnet_service->banner, strlen(telnet_service->banner));
- telnet_write(connection, "\r\n\0", 3);
+ telnet_write(connection, "\r\n", 2);
}
telnet_prompt(connection);
telnet_connection->next_history = 0;
telnet_connection->current_history = 0;
- target_register_event_callback(telnet_target_callback_event_handler, connection->cmd_ctx);
-
log_add_callback(telnet_log_callback, connection);
-
-
return ERROR_OK;
}
return ERROR_SERVER_REMOTE_CLOSED;
else if (bytes_read == -1)
{
- ERROR("error during read: %s", strerror(errno));
+ LOG_ERROR("error during read: %s", strerror(errno));
return ERROR_SERVER_REMOTE_CLOSED;
}
t_con->line_size = 0;
t_con->line_cursor = -1; /* to supress prompt in log callback during command execution */
+
retval = command_run_line(command_context, t_con->line);
+
t_con->line_cursor = 0;
if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
}
else
{
- DEBUG("unhandled nonprintable: %2.2x", *buf_p);
+ LOG_DEBUG("unhandled nonprintable: %2.2x", *buf_p);
}
}
}
}
else
{
- ERROR("BUG: unexpected value in t_con->last_escape");
+ LOG_ERROR("BUG: unexpected value in t_con->last_escape");
t_con->state = TELNET_STATE_DATA;
}
break;
default:
- ERROR("unknown telnet state");
+ LOG_ERROR("unknown telnet state");
exit(-1);
}
}
else
{
- ERROR("BUG: connection->priv == NULL");
+ LOG_ERROR("BUG: connection->priv == NULL");
}
- target_unregister_event_callback(telnet_target_callback_event_handler, connection->cmd_ctx);
-
return ERROR_OK;
}
if (telnet_port == 0)
{
- WARNING("no telnet port specified, using default port 4444");
- telnet_port = 4444;
+ LOG_INFO("telnet port disabled");
+ free(telnet_service);
+ return ERROR_OK;
}
telnet_service->banner = banner;
- add_service("telnet", CONNECTION_TELNET, telnet_port, 1, telnet_new_connection, telnet_input, telnet_connection_closed, telnet_service);
+ add_service("telnet", CONNECTION_TCP, telnet_port, 1, telnet_new_connection, telnet_input, telnet_connection_closed, telnet_service);
return ERROR_OK;
}
-int telnet_register_commands(command_context_t *command_context)
+/* daemon configuration command telnet_port */
+static int handle_telnet_port_command(struct command_context_s *cmd_ctx,
+ char *cmd, char **args, int argc)
{
- register_command(command_context, NULL, "exit", handle_exit_command,
- COMMAND_EXEC, "exit telnet session");
-
- register_command(command_context, NULL, "telnet_port", handle_telnet_port_command,
- COMMAND_CONFIG, "");
+ return server_port_command(cmd_ctx, cmd, args, argc, &telnet_port);
+}
- return ERROR_OK;
+static int handle_exit_command(struct command_context_s *cmd_ctx,
+ char *cmd, char **args, int argc)
+{
+ return ERROR_COMMAND_CLOSE_CONNECTION;
}
-/* daemon configuration command telnet_port */
-int handle_telnet_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int telnet_register_commands(command_context_t *command_context)
{
- if (argc == 0)
- return ERROR_OK;
+ register_command(command_context, NULL, "exit",
+ &handle_exit_command, COMMAND_EXEC,
+ "exit telnet session");
- telnet_port = strtoul(args[0], NULL, 0);
+ register_command(command_context, NULL, "telnet_port",
+ &handle_telnet_port_command, COMMAND_ANY,
+ "port on which to listen for incoming telnet connections");
return ERROR_OK;
}
-int handle_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- return ERROR_COMMAND_CLOSE_CONNECTION;
-}
+
projects / fw / openocd / blobdiff