fstool: skeleton

src/fsptool/fsptool.c

@@ -0,0 +1,159 @@
+/**
+ * @file fsptool/fsptool.c
+ *
+ * @copyright 2015-2017 Bill Zissimopoulos
+ */
+/*
+ * This file is part of WinFsp.
+ *
+ * You can redistribute it and/or modify it under the terms of the GNU
+ * General Public License version 3 as published by the Free Software
+ * Foundation.
+ *
+ * Licensees holding a valid commercial license may use this file in
+ * accordance with the commercial license agreement provided with the
+ * software.
+ */
+
+#include <winfsp/winfsp.h>
+#include <shared/minimal.h>
+
+#define PROGNAME                        "fsptool"
+
+#define info(format, ...)               printlog(GetStdHandle(STD_OUTPUT_HANDLE), format, __VA_ARGS__)
+#define warn(format, ...)               printlog(GetStdHandle(STD_ERROR_HANDLE), format, __VA_ARGS__)
+#define fatal(ExitCode, format, ...)    (warn(format, __VA_ARGS__), ExitProcess(ExitCode))
+
+static void vprintlog(HANDLE h, const char *format, va_list ap)
+{
+    char buf[1024];
+        /* wvsprintf is only safe with a 1024 byte buffer */
+    size_t len;
+    DWORD BytesTransferred;
+
+    wvsprintfA(buf, format, ap);
+    buf[sizeof buf - 1] = '\0';
+
+    len = lstrlenA(buf);
+    buf[len++] = '\n';
+
+    WriteFile(h, buf, (DWORD)len, &BytesTransferred, 0);
+}
+
+static void printlog(HANDLE h, const char *format, ...)
+{
+    va_list ap;
+
+    va_start(ap, format);
+    vprintlog(h, format, ap);
+    va_end(ap);
+}
+
+static void usage(void)
+{
+    fatal(ERROR_INVALID_PARAMETER,
+        "usage: %s COMMAND ARGS\n"
+        "\n"
+        "commands:\n"
+        "    lsvol       list file system devices (volumes)\n"
+        //"    list        list running file system processes\n"
+        //"    kill        kill file system process\n"
+        "    getsid      get current SID\n"
+        "    getuid      get current POSIX UID\n"
+        "    getgid      get current POSIX GID\n"
+        "    uidtosid    get SID from POSIX UID\n"
+        "    sidtouid    get POSIX UID from SID\n"
+        "    permtosd    get security descriptor from POSIX permissions\n"
+        "    sdtoperm    get POSIX permissions from security descriptor\n"
+        PROGNAME);
+}
+
+static int lsvol(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int getsid(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int getuid(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int getgid(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int uidtosid(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int sidtouid(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int permtosd(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+static int sdtoperm(int argc, wchar_t **argv)
+{
+    return 1;
+}
+
+int wmain(int argc, wchar_t **argv)
+{
+    argc--;
+    argv++;
+
+    if (0 == argc)
+        usage();
+
+    if (0 == invariant_wcscmp(L"lsvol", argv[0]))
+        return lsvol(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"getsid", argv[0]))
+        return getsid(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"getuid", argv[0]))
+        return getuid(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"getgid", argv[0]))
+        return getgid(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"uidtosid", argv[0]))
+        return uidtosid(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"sidtouid", argv[0]))
+        return sidtouid(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"permtosd", argv[0]))
+        return permtosd(argc, argv);
+    else
+    if (0 == invariant_wcscmp(L"sdtoperm", argv[0]))
+        return sdtoperm(argc, argv);
+
+    else
+        usage();
+
+    return 0;
+}
+
+void wmainCRTStartup(void)
+{
+    DWORD Argc;
+    PWSTR *Argv;
+
+    Argv = CommandLineToArgvW(GetCommandLineW(), &Argc);
+    if (0 == Argv)
+        ExitProcess(GetLastError());
+
+    ExitProcess(wmain(Argc, Argv));
+}