Initial commit

injector/src/injector.c

@@ -0,0 +1,87 @@
+#include <stdio.h>
+
+#include <injshared.h>
+
+#include <ipayload.h>
+
+const char EXE_ENV[] = "JADEITE_TARGET_EXE_PATH";
+const char INJECT_DLL_ENV[] = "JADEITE_INJECT_DLL_PATH";
+
+const char LAUNCHER_INJECT_DLL[] = "launcher_payload.dll";
+const char GAME_INJECT_DLL[] = "game_payload.dll";
+
+int main(int argc, char **argv) {
+    // Read arguments
+    char *gamePath = NULL;
+    char *launcherPath = NULL;
+
+    switch (argc) {
+        case 1:
+            printf("Usage: wine jadeite.exe [game path] <launcher path>\n");
+            return 0;
+        case 2:
+            printf("No launcher process specified! Using explorer.exe\n");
+            gamePath = argv[1];
+            launcherPath = "C:\\Windows\\explorer.exe";
+            break;
+        case 3:
+            gamePath = argv[1];
+            launcherPath = argv[2];
+            break;
+        default:
+            fprintf(stderr, "Too many arguments! (%d)\n", argc);
+            return 1;
+    }
+
+    // Compute absolute paths
+    char gameExePath[MAX_PATH];
+    GetFullPathNameA(gamePath, sizeof(gameExePath), gameExePath, NULL);
+
+    char gamePayloadPath[MAX_PATH];
+    GetFullPathNameA(GAME_INJECT_DLL, sizeof(gamePayloadPath), gamePayloadPath, NULL);
+
+    char launcherPayloadPath[MAX_PATH];
+    GetFullPathNameA(LAUNCHER_INJECT_DLL, sizeof(launcherPayloadPath), launcherPayloadPath, NULL);
+
+    printf("Starting \"%s\" via \"%s\"\n", gameExePath, launcherPath);
+
+    // Set envvars
+    SetEnvironmentVariableA(EXE_ENV, gameExePath);
+    SetEnvironmentVariableA(INJECT_DLL_ENV, gamePayloadPath);
+
+    // Start the launcher
+    STARTUPINFO si;
+    ZeroMemory(&si, sizeof(si));
+
+    PROCESS_INFORMATION pi;
+    si.cb = sizeof(si);
+    ZeroMemory(&pi, sizeof(pi));
+
+    if (!CreateProcessA(
+        launcherPath,
+        NULL,
+        NULL,
+        NULL,
+        FALSE,
+        CREATE_SUSPENDED,
+        NULL,
+        NULL,
+        &si,
+        &pi
+    )) {
+        fprintf(stderr, "Could not start process! (%ld)\n", GetLastError());
+        exit(1);
+    }
+
+    printf("Started launcher process (%ld)\n", pi.dwProcessId);
+
+    // Inject
+    void *payloadStart = &_binary_ipayload_o_p_payload_bin_start;
+    size_t payloadSize = (size_t)&_binary_ipayload_o_p_payload_bin_size; // yes this is valid
+    inject(pi.hProcess, payloadStart, payloadSize, launcherPayloadPath);
+
+    // Resume the process
+    ResumeThread(pi.hThread);
+
+    return 0;
+}