GUACAMOLE-597: Additionally parse integer flags which may affect pipe stream contents.
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79ce5ad8b0
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e02df8d550
@ -1961,7 +1961,8 @@ int guac_terminal_next_tab(guac_terminal* term, int column) {
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return tabstop;
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}
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void guac_terminal_pipe_stream_open(guac_terminal* term, const char* name) {
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void guac_terminal_pipe_stream_open(guac_terminal* term, const char* name,
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int flags) {
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guac_client* client = term->client;
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guac_socket* socket = client->socket;
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@ -1972,13 +1973,14 @@ void guac_terminal_pipe_stream_open(guac_terminal* term, const char* name) {
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/* Allocate and assign new pipe stream */
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term->pipe_stream = guac_client_alloc_stream(client);
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term->pipe_buffer_length = 0;
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term->pipe_stream_flags = flags;
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/* Open new pipe stream */
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guac_protocol_send_pipe(socket, term->pipe_stream, "text/plain", name);
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/* Log redirect at debug level */
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guac_client_log(client, GUAC_LOG_DEBUG,
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"Terminal output now redirected to pipe '%s'.", name);
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guac_client_log(client, GUAC_LOG_DEBUG, "Terminal output now directed to "
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"pipe \"%s\" (flags=%i).", name, flags);
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}
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@ -215,6 +215,13 @@ struct guac_terminal {
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*/
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guac_stream* pipe_stream;
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/**
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* Bitwise OR of all flags which apply to the currently-open pipe stream.
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* If no pipe stream is open, this value has no meaning, and its contents
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* are undefined.
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*/
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int pipe_stream_flags;
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/**
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* Buffer of data pending write to the pipe_stream. Data within this buffer
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* will be flushed to the pipe_stream when either (1) the buffer is full
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@ -920,8 +927,13 @@ int guac_terminal_next_tab(guac_terminal* term, int column);
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*
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* @param name
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* The name of the pipe stream to open.
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*
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* @param flags
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* A bitwise OR of all integer flags which should apply to the new pipe
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* stream.
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*/
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void guac_terminal_pipe_stream_open(guac_terminal* term, const char* name);
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void guac_terminal_pipe_stream_open(guac_terminal* term, const char* name,
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int flags);
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/**
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* Writes a single byte of data to the pipe stream currently open and
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@ -1141,27 +1141,44 @@ int guac_terminal_download(guac_terminal* term, unsigned char c) {
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int guac_terminal_open_pipe_stream(guac_terminal* term, unsigned char c) {
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static char stream_name[2048];
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static char param[2048];
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static int length = 0;
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static int flags = 0;
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/* Open pipe on ECMA-48 ST (String Terminator) */
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if (c == 0x9C || c == 0x5C || c == 0x07) {
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/* End stream name string */
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stream_name[length++] = '\0';
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/* End parameter string */
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param[length++] = '\0';
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length = 0;
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/* Open new pipe stream */
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guac_terminal_pipe_stream_open(term, stream_name);
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/* Open new pipe stream using final parameter as name */
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guac_terminal_pipe_stream_open(term, param, flags);
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/* Return to echo mode */
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term->char_handler = guac_terminal_echo;
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/* Reset tracked flags for sake of any future pipe streams */
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flags = 0;
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}
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/* Otherwise, store character within stream name */
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else if (length < sizeof(stream_name)-1)
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stream_name[length++] = c;
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/* Interpret all parameters prior to the final parameter as integer
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* flags which should affect the pipe stream when opened */
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else if (c == ';') {
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/* End parameter string */
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param[length++] = '\0';
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length = 0;
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/* Parse parameter string as integer flags */
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flags |= atoi(param);
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}
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/* Otherwise, store character within parameter */
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else if (length < sizeof(param)-1)
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param[length++] = c;
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return 0;
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