static void telnet_log_callback(void *priv, const char *file, unsigned line,
const char *function, const char *string)
{
struct connection *connection = priv;
struct telnet_connection *t_con = connection->priv;
int i;
/* if there is no prompt, simply output the message */
if (t_con->line_cursor < 0) {
telnet_outputline(connection, string);
return;
}
/* clear the command line */
for (i = strlen(t_con->prompt) + t_con->line_size; i > 0; i -= 16)
telnet_write(connection, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", 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);
for (i = strlen(t_con->prompt) + t_con->line_size; i > 0; i -= 16)
telnet_write(connection, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", i > 16 ? 16 : i);
/* output the message */
telnet_outputline(connection, string);
/* 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--)
telnet_write(connection, "\b", 1);
}
static void telnet_log_callback(void *priv, const char *file, unsigned line,
const char *function, const char *string)
{
struct connection *connection = priv;
struct telnet_connection *t_con = connection->priv;
size_t i;
size_t tmp;
/* If the prompt is not visible, simply output the message. */
if (!t_con->prompt_visible) {
telnet_outputline(connection, string);
return;
}
/* Clear the command line. */
tmp = strlen(t_con->prompt) + t_con->line_size;
for (i = 0; i < tmp; i += 16)
telnet_write(connection, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b",
MIN(tmp - i, 16));
for (i = 0; i < tmp; i += 16)
telnet_write(connection, " ", MIN(tmp - i, 16));
for (i = 0; i < tmp; i += 16)
telnet_write(connection, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b",
MIN(tmp - i, 16));
telnet_outputline(connection, string);
/* 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_cursor; i < t_con->line_size; i++)
telnet_write(connection, "\b", 1);
}
static int telnet_output(struct command_context *cmd_ctx, const char *line)
{
struct connection *connection = cmd_ctx->output_handler_priv;
return telnet_outputline(connection, line);
}
