Merge branch 'master' into experimental
Conflicts: src/common/guac_surface.c
This commit is contained in:
commit
4e97843ef0
12
Makefile.am
12
Makefile.am
@ -42,27 +42,27 @@ SUBDIRS = \
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tests
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if ENABLE_COMMON_SSH
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SUBDIRS += src/common-ssh
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SUBDIRS += src/common-ssh
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endif
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if ENABLE_TERMINAL
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SUBDIRS += src/terminal
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SUBDIRS += src/terminal
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endif
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if ENABLE_RDP
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SUBDIRS += src/protocols/rdp
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SUBDIRS += src/protocols/rdp
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endif
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if ENABLE_SSH
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SUBDIRS += src/protocols/ssh
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SUBDIRS += src/protocols/ssh
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endif
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if ENABLE_TELNET
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SUBDIRS += src/protocols/telnet
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SUBDIRS += src/protocols/telnet
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endif
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if ENABLE_VNC
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SUBDIRS += src/protocols/vnc
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SUBDIRS += src/protocols/vnc
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endif
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EXTRA_DIST = \
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@ -1,5 +1,5 @@
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#
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# Copyright (C) 2013 Glyptodon LLC
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# Copyright (C) 2015 Glyptodon LLC
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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@ -21,7 +21,7 @@
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#
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AC_PREREQ([2.61])
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AC_INIT([guacamole-server], [0.9.7])
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AC_INIT([guacamole-server], [0.9.8])
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AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
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AM_SILENT_RULES([yes])
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@ -31,7 +31,7 @@ PROJECT_NAME = libguac
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# This could be handy for archiving the generated documentation or
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# if some version control system is used.
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PROJECT_NUMBER = 0.9.7
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PROJECT_NUMBER = 0.9.8
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# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
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# base path where the generated documentation will be put.
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@ -34,6 +34,78 @@
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#include <stdlib.h>
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#include <string.h>
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/**
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* Translates the last error message received by the SFTP layer of an SSH
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* session into a Guacamole protocol status code.
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*
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* @param filesystem
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* The Guacamole protocol object defining the filesystem associated with
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* the SFTP and SSH sessions.
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*
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* @return
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* The Guacamole protocol status code corresponding to the last reported
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* error of the SFTP layer, if nay, or GUAC_PROTOCOL_STATUS_SUCCESS if no
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* error has occurred.
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*/
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static guac_protocol_status guac_sftp_get_status(guac_object* filesystem) {
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guac_common_ssh_sftp_data* sftp_data =
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(guac_common_ssh_sftp_data*) filesystem->data;
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/* Get libssh2 objects */
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LIBSSH2_SFTP* sftp = sftp_data->sftp_session;
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LIBSSH2_SESSION* session = sftp_data->ssh_session->session;
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/* Return success code if no error occurred */
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if (libssh2_session_last_errno(session) != LIBSSH2_ERROR_SFTP_PROTOCOL)
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return GUAC_PROTOCOL_STATUS_SUCCESS;
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/* Translate SFTP error codes defined by
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* https://tools.ietf.org/html/draft-ietf-secsh-filexfer-02 (the most
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* commonly-implemented standard) */
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switch (libssh2_sftp_last_error(sftp)) {
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/* SSH_FX_OK (not an error) */
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case 0:
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return GUAC_PROTOCOL_STATUS_SUCCESS;
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/* SSH_FX_EOF (technically not an error) */
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case 1:
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return GUAC_PROTOCOL_STATUS_SUCCESS;
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/* SSH_FX_NO_SUCH_FILE */
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case 2:
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return GUAC_PROTOCOL_STATUS_RESOURCE_NOT_FOUND;
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/* SSH_FX_PERMISSION_DENIED */
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case 3:
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return GUAC_PROTOCOL_STATUS_CLIENT_FORBIDDEN;
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/* SSH_FX_FAILURE */
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case 4:
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return GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR;
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/* SSH_FX_BAD_MESSAGE */
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case 5:
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return GUAC_PROTOCOL_STATUS_SERVER_ERROR;
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/* SSH_FX_NO_CONNECTION / SSH_FX_CONNECTION_LOST */
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case 6:
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case 7:
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return GUAC_PROTOCOL_STATUS_UPSTREAM_TIMEOUT;
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/* SSH_FX_OP_UNSUPPORTED */
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case 8:
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return GUAC_PROTOCOL_STATUS_UNSUPPORTED;
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/* Return generic error if cause unknown */
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default:
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return GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR;
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}
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}
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/**
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* Concatenates the given filename with the given path, separating the two
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* with a single forward slash. The full result must be no more than
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@ -249,7 +321,7 @@ int guac_common_ssh_sftp_handle_file_stream(guac_object* filesystem,
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guac_client_log(client, GUAC_LOG_INFO,
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"Unable to open file \"%s\"", fullpath);
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guac_protocol_send_ack(client->socket, stream, "SFTP: Open failed",
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GUAC_PROTOCOL_STATUS_RESOURCE_NOT_FOUND);
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guac_sftp_get_status(filesystem));
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guac_socket_flush(client->socket);
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}
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@ -642,7 +714,7 @@ static int guac_common_ssh_sftp_put_handler(guac_client* client,
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guac_client_log(client, GUAC_LOG_INFO,
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"Unable to open file \"%s\"", name);
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guac_protocol_send_ack(client->socket, stream, "SFTP: Open failed",
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GUAC_PROTOCOL_STATUS_RESOURCE_NOT_FOUND);
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guac_sftp_get_status(object));
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}
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/* Set handlers for file stream */
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@ -1,4 +1,4 @@
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.TH guacd 8 "8 Jun 2015" "version 0.9.7" "Guacamole"
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.TH guacd 8 "4 Sep 2015" "version 0.9.8" "Guacamole"
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.
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.SH NAME
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guacd \- Guacamole proxy daemon
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@ -1,4 +1,4 @@
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.TH guacd.conf 5 "8 Jun 2015" "version 0.9.7" "Guacamole"
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.TH guacd.conf 5 "4 Sep 2015" "version 0.9.8" "Guacamole"
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.
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.SH NAME
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/etc/guacamole/guacd.conf \- Configuration file for guacd
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@ -99,7 +99,7 @@ libguac_la_CFLAGS = \
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-Werror -Wall -pedantic -Iguacamole
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libguac_la_LDFLAGS = \
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-version-info 9:0:0 \
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-version-info 10:0:0 \
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@CAIRO_LIBS@ \
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@JPEG_LIBS@ \
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@PNG_LIBS@ \
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@ -84,6 +84,19 @@ int guac_telnet_client_key_handler(guac_client* client, int keysym, int pressed)
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}
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/* Intercept and handle Pause / Break / Ctrl+0 as "IAC BRK" */
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if (pressed && (
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keysym == 0xFF13 /* Pause */
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|| keysym == 0xFF6B /* Break */
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|| (term->mod_ctrl && keysym == '0') /* Ctrl + 0 */
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)) {
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/* Send IAC BRK */
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telnet_iac(client_data->telnet, TELNET_BREAK);
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return 0;
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}
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/* Send key */
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guac_terminal_send_key(term, keysym, pressed);
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@ -27,8 +27,41 @@
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#include <guacamole/audio.h>
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#include <guacamole/client.h>
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#include <guacamole/socket.h>
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#include <pulse/pulseaudio.h>
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/**
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* Returns whether the given buffer contains only silence (only null bytes).
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*
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* @param buffer
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* The audio buffer to check.
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*
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* @param length
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* The length of the buffer to check.
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*
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* @return
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* Non-zero if the audio buffer contains silence, zero otherwise.
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*/
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static int guac_pa_is_silence(const void* buffer, size_t length) {
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int i;
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const unsigned char* current = (const unsigned char*) buffer;
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/* For each byte in buffer */
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for (i = 0; i < length; i++) {
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/* If current value non-zero, then not silence */
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if (*(current++))
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return 0;
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}
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/* Otherwise, the buffer contains 100% silence */
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return 1;
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}
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static void __stream_read_callback(pa_stream* stream, size_t length,
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void* data) {
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@ -41,6 +74,9 @@ static void __stream_read_callback(pa_stream* stream, size_t length,
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/* Read data */
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pa_stream_peek(stream, &buffer, &length);
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/* Avoid sending silence unless data is waiting to be flushed */
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if (audio->pcm_bytes_written != 0 || !guac_pa_is_silence(buffer, length)) {
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/* Write data */
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guac_audio_stream_write_pcm(audio, buffer, length);
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@ -51,6 +87,9 @@ static void __stream_read_callback(pa_stream* stream, size_t length,
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GUAC_VNC_AUDIO_RATE,
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GUAC_VNC_AUDIO_CHANNELS,
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GUAC_VNC_AUDIO_BPS);
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guac_socket_flush(client->socket);
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}
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}
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/* Advance buffer */
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