1 files changed, 107 insertions, 0 deletions
diff --git a/src/linux_daemon/linuxdaemon.cpp b/src/linux_daemon/linuxdaemon.cpp
new file mode 100644
index 0000000..0b8a10a
--- /dev/null
+++ b/src/linux_daemon/linuxdaemon.cpp
@@ -0,0 +1,107 @@
+/* Copyright (C) 2022 The Qt Company Ltd.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only WITH Qt-GPL-exception-1.0
+*/
+#include <sys/stat.h>
+#include <iostream>
+#include <unistd.h>
+
+#include "licenser.h"
+#include "version.h"
+
+int startProcess(uint16_t tcpPort) {
+    // Fire it up
+    Licenser license(tcpPort);
+    std::cout << "listening..\n";
+    uint16_t count = 0;
+    while (1) {
+        count++;
+        try {
+            license.listen();
+        }
+        catch (...) {
+            std::cout << "ERROR: Qt License Daemon failed!!\n";
+            return -1;
+        }
+    }
+}
+
+int main(int argc, char *argv[])
+{
+    uint16_t tcpPort = 0;
+
+    // Get arguments
+    std::string message = "";
+    bool all_ok = true;
+    for (int i = 1; i < argc; i++) {
+        // If command-line parameter is "--nodaemon", start right away
+        // as normal CLI process (not as daemon)
+        if (strcmp(argv[1], "--nodaemon") == 0) {
+            int res = startProcess(0);
+            return res;
+        }
+        // If command-line parameter is "--version", show the version and exit.
+        else if (strcmp(argv[1], "--version") == 0) {
+                std::cout << "Qt License Daemon (qtlicd) v" << DAEMON_VERSION << " "
+                        << COPYRIGHT_TEXT << std::endl;
+                return 0;
+        }
+        else if (strcmp(argv[i], "--port") == 0) {
+            if (i + 1 == argc) {
+                all_ok = false;
+                printf("No port number given\n");
+                break;
+            }
+            try {
+                tcpPort = std::stoi(argv[i+1]);
+                i++;
+            }
+            catch (...) {
+                all_ok = false;
+                printf("Invalid port - must be an integer\n");
+                break;
+            }
+        }
+        else if (strcmp(argv[i], "--help") == 0) {
+            all_ok = false;
+            break;
+        }
+        else {
+            printf("Invalid argument: %s\n", argv[i]);
+            all_ok = false;
+            break;
+        }
+    }
+    if (!all_ok) {
+        printf("\nUsage: qtlicd [option] [value]\n");
+        printf("Supported options are:\n");
+        printf("  --port <port number>   : Specify TCP/IP server port. If omitted, default is used.\n");
+        printf("  --nodaemon             : Run in non-daemon mode (in console like any other CLI app)\n");
+        printf("  --version              : Version info\n");
+        printf("  --help                 : This help\n\n");
+        return -1;
+    }
+
+    printf("Starting daemon\n");
+
+    // Fork process
+    pid_t pid, sid;
+    pid = fork();
+    if (pid > 0) {
+        return 0;
+    }
+    else if (pid < 0) {
+        printf("Daemon process fork failed!\n");
+        return 1;
+    }
+    umask(0);
+    sid = setsid();
+    // Check session ID for the child process
+    if (sid < 0)
+    {
+        printf("Invalid session id for a child process\n");
+        return 1;
+    }
+    startProcess(tcpPort);
+    std::cout << "Started\n";
+}