mirror of
https://github.com/FeralInteractive/gamemode.git
synced 2025-06-06 15:47:20 +02:00
393a5e8f41
On each gamemode_request call a new connection to d-bus is opened but the reference was never release thus leaking the connection and associated memory.
142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/*
|
|
|
|
Copyright (c) 2017-2019, Feral Interactive
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
* Neither the name of Feral Interactive nor the names of its contributors
|
|
may be used to endorse or promote products derived from this software
|
|
without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
|
|
#include <dlfcn.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <systemd/sd-bus.h>
|
|
#include <unistd.h>
|
|
|
|
// Storage for error strings
|
|
static char error_string[512] = { 0 };
|
|
|
|
// Simple requestor function for a gamemode
|
|
static int gamemode_request(const char *function, int arg)
|
|
{
|
|
sd_bus_message *msg = NULL;
|
|
sd_bus *bus = NULL;
|
|
sd_bus_error err;
|
|
memset(&err, 0, sizeof(err));
|
|
|
|
int result = -1;
|
|
|
|
// Open the user bus
|
|
int ret = sd_bus_open_user(&bus);
|
|
if (ret < 0) {
|
|
snprintf(error_string,
|
|
sizeof(error_string),
|
|
"Could not connect to bus: %s",
|
|
strerror(-ret));
|
|
} else {
|
|
// Attempt to send the requested function
|
|
ret = sd_bus_call_method(bus,
|
|
"com.feralinteractive.GameMode",
|
|
"/com/feralinteractive/GameMode",
|
|
"com.feralinteractive.GameMode",
|
|
function,
|
|
&err,
|
|
&msg,
|
|
arg ? "ii" : "i",
|
|
getpid(),
|
|
arg);
|
|
if (ret < 0) {
|
|
snprintf(error_string,
|
|
sizeof(error_string),
|
|
"Could not call method %s on com.feralinteractive.GameMode\n"
|
|
"\t%s\n"
|
|
"\t%s\n"
|
|
"\t%s\n",
|
|
function,
|
|
err.name,
|
|
err.message,
|
|
strerror(-ret));
|
|
} else {
|
|
// Read the reply
|
|
ret = sd_bus_message_read(msg, "i", &result);
|
|
if (ret < 0) {
|
|
snprintf(error_string,
|
|
sizeof(error_string),
|
|
"Failure to parse response: %s",
|
|
strerror(-ret));
|
|
}
|
|
}
|
|
sd_bus_unref(bus);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// Get the error string
|
|
extern const char *real_gamemode_error_string(void)
|
|
{
|
|
return error_string;
|
|
}
|
|
|
|
// Wrapper to call RegisterGame
|
|
extern int real_gamemode_request_start(void)
|
|
{
|
|
return gamemode_request("RegisterGame", 0);
|
|
}
|
|
|
|
// Wrapper to call UnregisterGame
|
|
extern int real_gamemode_request_end(void)
|
|
{
|
|
return gamemode_request("UnregisterGame", 0);
|
|
}
|
|
|
|
// Wrapper to call QueryStatus
|
|
extern int real_gamemode_query_status(void)
|
|
{
|
|
return gamemode_request("QueryStatus", 0);
|
|
}
|
|
|
|
// Wrapper to call RegisterGameByPID
|
|
extern int real_gamemode_request_start_for(pid_t pid)
|
|
{
|
|
return gamemode_request("RegisterGameByPID", pid);
|
|
}
|
|
|
|
// Wrapper to call UnregisterGameByPID
|
|
extern int real_gamemode_request_end_for(pid_t pid)
|
|
{
|
|
return gamemode_request("UnregisterGameByPID", pid);
|
|
}
|
|
|
|
// Wrapper to call QueryStatusByPID
|
|
extern int real_gamemode_query_status_for(pid_t pid)
|
|
{
|
|
return gamemode_request("QueryStatusByPID", pid);
|
|
}
|