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GUACAMOLE-1245: Add support for specifying Wake-on-LAN port.

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This commit is contained in:
Nick Couchman 2020-12-28 12:42:54 -05:00
parent 68c5dd1730
commit a37668e9f5
14 changed files with 94 additions and 9 deletions
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6
src/libguac/guacamole/wol.h
View File

@ -42,11 +42,15 @@
* @param broadcast_addr
* The broadcast address to which to send the magic Wake-on-LAN packet.
*
* @param udp_port
* The UDP port to use when sending the WoL packet.
*
* @return
* Zero if the packet is successfully sent to the destination; non-zero
* if the packet cannot be sent.
*/
int guac_wol_wake(const char* mac_addr, const char* broadcast_addr);
int guac_wol_wake(const char* mac_addr, const char* broadcast_addr,
const unsigned short udp_port);
#endif /* GUAC_WOL_H */

13
src/libguac/wol.c
View File

@ -69,6 +69,9 @@ static void __guac_wol_create_magic_packet(unsigned char packet[],
* @param broadcast_addr
* The broadcast address to which to send the magic WoL packet.
*
* @param udp_port
* The UDP port to use when sending the WoL packet.
*
* @param packet
* The magic WoL packet to send.
*
@ -76,13 +79,13 @@ static void __guac_wol_create_magic_packet(unsigned char packet[],
* The number of bytes sent, or zero if nothing could be sent.
*/
static ssize_t __guac_wol_send_packet(const char* broadcast_addr,
unsigned char packet[]) {
const unsigned short udp_port, unsigned char packet[]) {
struct sockaddr_in wol_dest;
int wol_socket;
/* Determine the IP version, starting with IPv4. */
wol_dest.sin_port = htons(GUAC_WOL_PORT);
wol_dest.sin_port = htons(udp_port);
wol_dest.sin_family = AF_INET;
int retval = inet_pton(wol_dest.sin_family, broadcast_addr, &(wol_dest.sin_addr));
@ -165,7 +168,8 @@ static ssize_t __guac_wol_send_packet(const char* broadcast_addr,
}
int guac_wol_wake(const char* mac_addr, const char* broadcast_addr) {
int guac_wol_wake(const char* mac_addr, const char* broadcast_addr,
const unsigned short udp_port) {
unsigned char wol_packet[GUAC_WOL_PACKET_SIZE];
unsigned int dest_mac[6];
@ -183,7 +187,8 @@ int guac_wol_wake(const char* mac_addr, const char* broadcast_addr) {
__guac_wol_create_magic_packet(wol_packet, dest_mac);
/* Send the packet and record bytes sent. */
int bytes_sent = __guac_wol_send_packet(broadcast_addr, wol_packet);
int bytes_sent = __guac_wol_send_packet(broadcast_addr, udp_port,
wol_packet);
/* Return 0 if bytes were sent, otherwise return an error. */
if (bytes_sent)

3
src/protocols/rdp/rdp.c
View File

@ -615,7 +615,8 @@ void* guac_rdp_client_thread(void* data) {
"and pausing for %d seconds.", settings->wol_wait_time);
/* Send the Wake-on-LAN request. */
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr))
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr,
settings->wol_udp_port))
return NULL;
/* If wait time is specified, sleep for that amount of time. */

12
src/protocols/rdp/settings.c
View File

@ -124,6 +124,7 @@ const char* GUAC_RDP_CLIENT_ARGS[] = {
"wol-send-packet",
"wol-mac-addr",
"wol-broadcast-addr",
"wol-udp-port",
"wol-wait-time",
NULL
};
@ -609,6 +610,11 @@ enum RDP_ARGS_IDX {
*/
IDX_WOL_BROADCAST_ADDR,
/**
* The UDP port to use in the magic WoL packet.
*/
IDX_WOL_UDP_PORT,
/**
* The amount of time, in seconds, to wait after sending the WoL packet
* before attempting to connect to the host. This should be a reasonable
@ -1133,6 +1139,11 @@ guac_rdp_settings* guac_rdp_parse_args(guac_user* user,
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
IDX_WOL_BROADCAST_ADDR, GUAC_WOL_LOCAL_IPV4_BROADCAST);
/* Parse the WoL broadcast port. */
settings->wol_udp_port = (unsigned short)
guac_user_parse_args_int(user, GUAC_RDP_CLIENT_ARGS, argv,
IDX_WOL_UDP_PORT, GUAC_WOL_PORT);
/* Parse the WoL wait time. */
settings->wol_wait_time =
guac_user_parse_args_int(user, GUAC_RDP_CLIENT_ARGS, argv,
@ -1202,6 +1213,7 @@ void guac_rdp_settings_free(guac_rdp_settings* settings) {
/* Free load balancer information string */
free(settings->load_balance_info);
/* Free Wake-on-LAN strings */
free(settings->wol_mac_addr);
free(settings->wol_broadcast_addr);

5
src/protocols/rdp/settings.h
View File

@ -583,6 +583,11 @@ typedef struct guac_rdp_settings {
*/
char* wol_broadcast_addr;
/**
* The UDP port to use when sending the magic WoL packet.
*/
unsigned short wol_udp_port;
/**
* The amount of time to wait after sending the magic WoL packet before
* continuing the connection.

10
src/protocols/ssh/settings.c
View File

@ -72,6 +72,7 @@ const char* GUAC_SSH_CLIENT_ARGS[] = {
"wol-send-packet",
"wol-mac-addr",
"wol-broadcast-addr",
"wol-udp-port",
"wol-wait-time",
NULL
};
@ -317,6 +318,11 @@ enum SSH_ARGS_IDX {
*/
IDX_WOL_BROADCAST_ADDR,
/**
* The UDP port to use when sending the WoL packet.
*/
IDX_WOL_UDP_PORT,
/**
* The amount of time to wait after sending the magic WoL packet prior to
* continuing the connection attempt. The default is no wait time
@ -533,6 +539,10 @@ guac_ssh_settings* guac_ssh_parse_args(guac_user* user,
guac_user_parse_args_string(user, GUAC_SSH_CLIENT_ARGS, argv,
IDX_WOL_BROADCAST_ADDR, GUAC_WOL_LOCAL_IPV4_BROADCAST);
settings->wol_udp_port = (unsigned short)
guac_user_parse_args_int(user, GUAC_SSH_CLIENT_ARGS, argv,
IDX_WOL_UDP_PORT, GUAC_WOL_PORT);
settings->wol_wait_time =
guac_user_parse_args_int(user, GUAC_SSH_CLIENT_ARGS, argv,
IDX_WOL_WAIT_TIME, GUAC_WOL_DEFAULT_BOOT_WAIT_TIME);

5
src/protocols/ssh/settings.h
View File

@ -302,6 +302,11 @@ typedef struct guac_ssh_settings {
*/
char* wol_broadcast_addr;
/**
* The UDP port to use when sending the magic WoL packet.
*/
unsigned short wol_udp_port;
/**
* The amount of time to wait for the system to wake after sending the packet.
*/

3
src/protocols/ssh/ssh.c
View File

@ -208,7 +208,8 @@ void* ssh_client_thread(void* data) {
"and pausing for %d seconds.", settings->wol_wait_time);
/* Send the Wake-on-LAN request. */
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr))
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr,
settings->wol_udp_port))
return NULL;
/* If wait time is specified, sleep for that amount of time. */

15
src/protocols/telnet/settings.c
View File

@ -63,6 +63,7 @@ const char* GUAC_TELNET_CLIENT_ARGS[] = {
"wol-send-packet",
"wol-mac-addr",
"wol-broadcast-addr",
"wol-udp-port",
"wol-wait-time",
NULL
};
@ -258,6 +259,11 @@ enum TELNET_ARGS_IDX {
*/
IDX_WOL_BROADCAST_ADDR,
/**
* The UDP port to use when sending the WoL packet.
*/
IDX_WOL_UDP_PORT,
/**
* The amount of time, in seconds, to wait after the magic WoL packet is
* sent before continuing the connection attempt. The default is not to
@ -511,6 +517,11 @@ guac_telnet_settings* guac_telnet_parse_args(guac_user* user,
guac_user_parse_args_string(user, GUAC_TELNET_CLIENT_ARGS, argv,
IDX_WOL_BROADCAST_ADDR, GUAC_WOL_LOCAL_IPV4_BROADCAST);
/* Parse the WoL broadcast port. */
settings->wol_udp_port = (unsigned short)
guac_user_parse_args_int(user, GUAC_TELNET_CLIENT_ARGS, argv,
IDX_WOL_UDP_PORT, GUAC_WOL_PORT);
/* Parse the WoL wait time. */
settings->wol_wait_time =
guac_user_parse_args_int(user, GUAC_TELNET_CLIENT_ARGS, argv,
@ -554,6 +565,10 @@ void guac_telnet_settings_free(guac_telnet_settings* settings) {
/* Free terminal emulator type. */
free(settings->terminal_type);
/* Free WoL settings. */
free(settings->wol_mac_addr);
free(settings->wol_broadcast_addr);
/* Free overall structure */
free(settings);

5
src/protocols/telnet/settings.h
View File

@ -275,6 +275,11 @@ typedef struct guac_telnet_settings {
*/
char* wol_broadcast_addr;
/**
* The UDP port to use when sending the WoL packet.
*/
unsigned short wol_udp_port;
/**
* The number of seconds to wait after sending the magic WoL packet before
* continuing the connection.

3
src/protocols/telnet/telnet.c
View File

@ -564,7 +564,8 @@ void* guac_telnet_client_thread(void* data) {
"and pausing for %d seconds.", settings->wol_wait_time);
/* Send the Wake-on-LAN request. */
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr))
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr,
settings->wol_udp_port))
return NULL;
/* If wait time is specified, sleep for that amount of time. */

15
src/protocols/vnc/settings.c
View File

@ -89,6 +89,7 @@ const char* GUAC_VNC_CLIENT_ARGS[] = {
"wol-send-packet",
"wol-mac-addr",
"wol-broadcast-addr",
"wol-udp-port",
"wol-wait-time",
NULL
};
@ -360,6 +361,11 @@ enum VNC_ARGS_IDX {
*/
IDX_WOL_BROADCAST_ADDR,
/**
* The UDP port to use when sending the WoL packet.
*/
IDX_WOL_UDP_PORT,
/**
* The number of seconds to wait after sending the magic WoL packet before
* attempting to connect to the remote host. The default is not to wait
@ -608,6 +614,11 @@ guac_vnc_settings* guac_vnc_parse_args(guac_user* user,
guac_user_parse_args_string(user, GUAC_VNC_CLIENT_ARGS, argv,
IDX_WOL_BROADCAST_ADDR, GUAC_WOL_LOCAL_IPV4_BROADCAST);
/* Parse the WoL broadcast port. */
settings->wol_udp_port = (unsigned short)
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
IDX_WOL_UDP_PORT, GUAC_WOL_PORT);
/* Parse the WoL wait time. */
settings->wol_wait_time =
guac_user_parse_args_int(user, GUAC_VNC_CLIENT_ARGS, argv,
@ -653,6 +664,10 @@ void guac_vnc_settings_free(guac_vnc_settings* settings) {
free(settings->pa_servername);
#endif
/* Free Wake-on-LAN strings */
free(settings->wol_mac_addr);
free(settings->wol_broadcast_addr);
/* Free settings structure */
free(settings);

5
src/protocols/vnc/settings.h
View File

@ -289,6 +289,11 @@ typedef struct guac_vnc_settings {
*/
char* wol_broadcast_addr;
/**
* The UDP port to use when sending the WoL packet.
*/
unsigned short wol_udp_port;
/**
* The number of seconds after sending the magic WoL packet to wait before
* attempting to connect to the remote host.

3
src/protocols/vnc/vnc.c
View File

@ -247,7 +247,8 @@ void* guac_vnc_client_thread(void* data) {
"and pausing for %d seconds.", settings->wol_wait_time);
/* Send the Wake-on-LAN request. */
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr))
if (guac_wol_wake(settings->wol_mac_addr, settings->wol_broadcast_addr,
settings->wol_udp_port))
return NULL;
/* If wait time is specified, sleep for that amount of time. */