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GUAC-1452: Implement pipe open/close within OSC.

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This commit is contained in:
Michael Jumper 2016-01-12 17:07:32 -08:00
parent 051701d566
commit 01edd8ccd8
1 changed files with 42 additions and 3 deletions
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45
src/terminal/terminal_handlers.c
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@ -28,6 +28,8 @@
#include "types.h"
#include <guacamole/client.h>
#include <guacamole/protocol.h>
#include <guacamole/socket.h>
#include <stdbool.h>
#include <stdlib.h>
@ -938,16 +940,36 @@ int guac_terminal_download(guac_terminal* term, unsigned char c) {
int guac_terminal_open_pipe_stream(guac_terminal* term, unsigned char c) {
guac_client* client = term->client;
guac_socket* socket = client->socket;
static char stream_name[2048];
static int length = 0;
/* Open pipe on ECMA-48 ST (String Terminator) */
if (c == 0x9C || c == 0x5C || c == 0x07) {
/* End stream name string */
stream_name[length++] = '\0';
term->char_handler = guac_terminal_echo;
guac_client_log(term->client, GUAC_LOG_DEBUG,
"STUB: Opening pipe: '%s'", stream_name);
length = 0;
/* Close existing stream, if any */
if (term->pipe_stream != NULL) {
guac_protocol_send_end(socket, term->pipe_stream);
guac_client_free_stream(client, term->pipe_stream);
}
/* Allocate and assign new pipe stream */
term->pipe_stream = guac_client_alloc_stream(client);
/* Open new pipe stream */
guac_protocol_send_pipe(socket, term->pipe_stream,
"text/plain", stream_name);
/* Log redirect at debug level */
guac_client_log(client, GUAC_LOG_DEBUG,
"Terminal output now redirected to pipe '%s'.", stream_name);
}
/* Otherwise, store character within stream name */
@ -960,10 +982,27 @@ int guac_terminal_open_pipe_stream(guac_terminal* term, unsigned char c) {
int guac_terminal_close_pipe_stream(guac_terminal* term, unsigned char c) {
guac_client* client = term->client;
guac_socket* socket = client->socket;
/* Handle closure on ECMA-48 ST (String Terminator) */
if (c == 0x9C || c == 0x5C || c == 0x07) {
term->char_handler = guac_terminal_echo;
guac_client_log(term->client, GUAC_LOG_DEBUG, "STUB: Closing pipe");
/* Close any existing pipe */
if (term->pipe_stream != NULL) {
guac_protocol_send_end(socket, term->pipe_stream);
guac_client_free_stream(client, term->pipe_stream);
term->pipe_stream = NULL;
guac_client_log(client, GUAC_LOG_DEBUG,
"Terminal output now redirected to display.");
}
/* Warn if OSC is inappropriate */
else
guac_client_log(client, GUAC_LOG_DEBUG,
"Cannot handle pipe close OSC - no open pipe exists.");
}
/* Ignore all other characters */