Update actions/checkout and actions/upload-artifact to v4

* Test multiple instances
* Add support for Discord Canary (Snap)
* Add support for Vesktop (Flatpak)

.github/workflows/build-deploy.yml

@@ -13,13 +13,13 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: dependencies
       run: sudo apt-get update && sudo apt-get install gcc-mingw-w64 make
     - name: make
       run: make
     - name: artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: bridge
         path: build

.vscode/c_cpp_properties.json

@@ -5,7 +5,10 @@
             "includePath": [
                 "${workspaceFolder}/**"
             ],
-            "defines": [],
+            "defines": [
+                "GIT_COMMIT",
+                "GIT_BRANCH"
+            ],
             "cStandard": "c17",
             "cppStandard": "gnu++17",
             "intelliSenseMode": "windows-gcc-x64"

Makefile

@@ -1,7 +1,10 @@
 C_SOURCES = $(shell find ./ -type f -name '*.c')
 C_OBJECTS = $(C_SOURCES:.c=.o)
 
-CFLAGS = -std=c17 -Wno-int-conversion
+GIT_COMMIT = $(shell git rev-parse --short HEAD)
+GIT_BRANCH = $(shell git rev-parse --abbrev-ref HEAD)
+
+CFLAGS = -std=c17 -Wno-int-conversion -DGIT_COMMIT='"$(GIT_COMMIT)"' -DGIT_BRANCH='"$(GIT_BRANCH)"'
 LFLAGS = -lgdi32
 
 # DBGFLAGS = -Wl,--export-all-symbols -g -O0 -ggdb3 -Wall

bridge.c

@@ -282,41 +282,53 @@ void ConnectToSocket(int fd)
 	print("IPC directory: %s\n", runtime);
 
 	/* TODO: check for multiple discord instances and create a pipe for each */
-	const char *discordUnixPipes[] = {
-		"/discord-ipc-0",
-		"/snap.discord/discord-ipc-0",
-		"/app/com.discordapp.Discord/discord-ipc-0",
+	const char *discordUnixSockets[] = {
+		"%s/discord-ipc-%d",
+		"%s/app/com.discordapp.Discord/discord-ipc-%d",
+		"%s/.flatpak/dev.vencord.Vesktop/xdg-run/discord-ipc-%d",
+		"%s/snap.discord/discord-ipc-%d",
+		"%s/snap.discord-canary/discord-ipc-%d",
 	};
 
 	struct sockaddr_un socketAddr;
 	socketAddr.sun_family = AF_UNIX;
-	char *pipePath = NULL;
-	int sockRet = -1;
 
-	for (int i = 0; i < sizeof(discordUnixPipes) / sizeof(discordUnixPipes[0]); i++)
+	int sockRet = 0;
+	for (int i = 0; i < sizeof(discordUnixSockets) / sizeof(discordUnixSockets[0]); i++)
 	{
-		pipePath = malloc(strlen(runtime) + strlen(discordUnixPipes[i]) + 1);
-		strcpy(pipePath, runtime);
-		strcat(pipePath, discordUnixPipes[i]);
-		strcpy_s(socketAddr.sun_path, sizeof(socketAddr.sun_path), pipePath);
+		size_t pipePathLen = strlen(runtime) + strlen(discordUnixSockets[i]) + 1;
+		char *pipePath = malloc(pipePathLen);
 
-		print("Connecting to %s\n", pipePath);
-
-		if (IsLinux)
+		for (int j = 0; j < 16; j++)
 		{
-			unsigned long socketArgs[] = {
-				(unsigned long)fd,
-				(unsigned long)(intptr_t)&socketAddr,
-				sizeof(socketAddr)};
+			snprintf(pipePath, pipePathLen, discordUnixSockets[i], runtime, j);
+			strcpy_s(socketAddr.sun_path, sizeof(socketAddr.sun_path), pipePath);
+			print("Probing %s\n", pipePath);
 
-			sockRet = sys_socketcall(SYS_CONNECT, socketArgs);
+			if (IsLinux)
+			{
+				unsigned long socketArgs[] = {
+					(unsigned long)fd,
+					(unsigned long)(intptr_t)&socketAddr,
+					sizeof(socketAddr)};
+
+				sockRet = sys_socketcall(SYS_CONNECT, socketArgs);
+			}
+			else
+				sockRet = sys_connect(fd, (caddr_t)&socketAddr, sizeof(socketAddr));
+
+			print("    error: %d\n", sockRet);
+			if (sockRet >= 0)
+				break;
 		}
-		else
-			sockRet = sys_connect(fd, (caddr_t)&socketAddr, sizeof(socketAddr));
 
-		free(pipePath);
 		if (sockRet >= 0)
+		{
+			print("Connecting to %s\n", pipePath);
+			free(pipePath);
 			break;
+		}
+		free(pipePath);
 	}
 
 	if (sockRet < 0)

bridge.manifest

@@ -3,7 +3,7 @@
 <assemblyIdentity
 	version="1.0.0.0"
 	processorArchitecture="amd64"
-	name="EnderIce2.rpc-bridge"
+	name="com.enderice2.rpc-bridge"
 	type="win32"
 />
 <description>Simple bridge that allows you to use Discord Rich Presence with Wine games/software.</description>

build/bridge.sh

@@ -21,10 +21,10 @@ TEMP_PATH="$XDG_RUNTIME_DIR"
 TEMP_PATH=${TEMP_PATH:-"$TMPDIR"}
 
 VESSEL_PATH="$BRIDGE_PATH"
-IPC_PATHS="$TEMP_PATH /run/user/$UID $TEMP_PATH/snap.discord $TEMP_PATH/app/com.discordapp.Discord"
+IPC_PATHS="$TEMP_PATH /run/user/$UID $TEMP_PATH/app/com.discordapp.Discord $TEMP_PATH/.flatpak/dev.vencord.Vesktop/xdg-run $TEMP_PATH/snap.discord $TEMP_PATH/snap.discord-canary"
 for discord_ipc in $IPC_PATHS; do
-	if [ -S "$discord_ipc"/discord-ipc-0 ]; then
-		VESSEL_PATH="$BRIDGE_PATH:$(echo "$discord_ipc"/discord-ipc-0)"
+	if [ -S "$discord_ipc"/discord-ipc-? ]; then
+		VESSEL_PATH="$BRIDGE_PATH:$(echo "$discord_ipc"/discord-ipc-?)"
 		break
 	fi
 done

gui.c

@@ -191,11 +191,14 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
 		case IDM_HELP_ABOUT:
 		{
 			char msg[256];
-			sprintf(msg, "rpc-bridge v%s\n\n"
-						 "Simple bridge that allows you to use Discord Rich Presence with Wine games/software.\n\n"
-						 "Created by EnderIce2\n\n"
-						 "Licensed under the MIT License",
-					VER_VERSION_STR);
+			snprintf(msg, sizeof(msg),
+					 "rpc-bridge v%s\n"
+					 "  branch: %s\n"
+					 "  commit: %s\n\n"
+					 "Simple bridge that allows you to use Discord Rich Presence with Wine games/software.\n\n"
+					 "Created by EnderIce2\n\n"
+					 "Licensed under the MIT License",
+					 VER_VERSION_STR, GIT_BRANCH, GIT_COMMIT);
 			MessageBox(NULL, msg, "About", MB_OK);
 			break;
 		}

main.c

@@ -273,38 +273,38 @@ void HandleArguments(int argc, char *argv[])
 	}
 	else if (strcmp(argv[1], "--version") == 0)
 	{
-		printf("%s\n", VER_VERSION_STR);
+		/* Already shows the version */
 		ExitProcess(0);
 	}
 	else if (strcmp(argv[1], "--help") == 0)
 	{
-		printf("Usage:\n"
-			   "  %s [args]\n"
-			   "\n"
-			   "Arguments:\n"
-			   "  --help         Show this help\n"
-			   "\n"
-			   "  --version      Show version\n"
-			   "\n"
-			   "  --install      Install service\n"
-			   "        This will copy the binary to C:\\windows\\bridge.exe and register it as a service\n"
-			   "\n"
-			   "  --uninstall    Uninstall service\n"
-			   "        This will remove the service and delete C:\\windows\\bridge.exe\n"
-			   "\n"
-			   "  --steam        Reserved for Steam\n"
-			   "        This will start the service and exit (used with bridge.sh)\n"
-			   "\n"
-			   "  --no-service   Do not run as service\n"
-			   "        (only for --steam)\n"
-			   "\n"
-			   "  --service      Reserved for service\n"
-			   "\n"
-			   "  --rpc <dir>    Set RPC_PATH environment variable\n"
-			   "        This is used to specify the directory where 'discord-ipc-0' is located\n"
-			   "\n"
-			   "Note: If no arguments are provided, the GUI will be shown instead\n",
-			   argv[0]);
+		print("Usage:\n"
+			  "  %s [args]\n"
+			  "\n"
+			  "Arguments:\n"
+			  "  --help         Show this help\n"
+			  "\n"
+			  "  --version      Show version\n"
+			  "\n"
+			  "  --install      Install service\n"
+			  "        This will copy the binary to C:\\windows\\bridge.exe and register it as a service\n"
+			  "\n"
+			  "  --uninstall    Uninstall service\n"
+			  "        This will remove the service and delete C:\\windows\\bridge.exe\n"
+			  "\n"
+			  "  --steam        Reserved for Steam\n"
+			  "        This will start the service and exit (used with bridge.sh)\n"
+			  "\n"
+			  "  --no-service   Do not run as service\n"
+			  "        (only for --steam)\n"
+			  "\n"
+			  "  --service      Reserved for service\n"
+			  "\n"
+			  "  --rpc <dir>    Set RPC_PATH environment variable\n"
+			  "        This is used to specify the directory where 'discord-ipc-0' is located\n"
+			  "\n"
+			  "Note: If no arguments are provided, the GUI will be shown instead\n",
+			  argv[0]);
 		ExitProcess(0);
 	}
 }
@@ -316,11 +316,12 @@ int main(int argc, char *argv[])
 	g_logFile = fopen(logFilePath, "w");
 	if (g_logFile == NULL)
 	{
-		printf("Failed to open logs file: %ld\n",
-			   GetLastError());
+		MessageBox(NULL, "Failed to open logs file", "Error", MB_OK | MB_ICONERROR);
+		printf("Failed to open logs file: %ld\n", GetLastError());
 		ExitProcess(1);
 	}
 
+	print("rpc-bridge v%s %s-%s\n", VER_VERSION_STR, GIT_BRANCH, GIT_COMMIT);
 	if (argc > 1)
 		HandleArguments(argc, argv);
 	else

resource.h

@@ -5,5 +5,5 @@
 #define IDM_HELP_ABOUT 40003
 #define IDM_VIEW_LOG 40004
 
-#define VER_VERSION 1, 2, 0, 0
-#define VER_VERSION_STR "1.2\0"
+#define VER_VERSION 1, 3, 0, 0
+#define VER_VERSION_STR "1.3\0"