Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 199 insertions, 0 deletions

diff --git a/src/VBox/Runtime/testcase/tstRTSymlink.cpp b/src/VBox/Runtime/testcase/tstRTSymlink.cpp
new file mode 100644
index 00000000..16230e8f
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstRTSymlink.cpp
@@ -0,0 +1,199 @@
+/* $Id: tstRTSymlink.cpp $ */
+/** @file
+ * IPRT Testcase - Symbolic Links.
+ */
+
+/*
+ * Copyright (C) 2010-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/symlink.h>
+
+#include <iprt/test.h>
+#include <iprt/dir.h>
+#include <iprt/err.h>
+#include <iprt/file.h>
+#include <iprt/param.h>
+#include <iprt/path.h>
+#include <iprt/process.h>
+#include <iprt/string.h>
+#include <iprt/initterm.h>
+
+
+static void test1Worker(RTTEST hTest, const char *pszBaseDir,
+                        const char *pszTarget, RTSYMLINKTYPE enmType, bool fDangling)
+{
+    char    szPath1[RTPATH_MAX];
+    char    szPath2[RTPATH_MAX];
+    size_t  cchTarget = strlen(pszTarget);
+    char    szPath3[RTPATH_MAX];
+
+    RTStrCopy(szPath3, sizeof(szPath3), pszTarget);
+
+#ifdef RT_OS_WINDOWS
+    /* see RTSymlinkCreate in symlink-win.cpp */
+    char c;
+    char *psz = szPath3;
+    while ((c = *psz) != '\0')
+    {
+        if (c == '/')
+            *psz = '\\';
+        psz++;
+    }
+#endif
+
+    /* Create it.*/
+    RTTESTI_CHECK_RC_OK_RETV(RTPathJoin(szPath1, sizeof(szPath1), pszBaseDir, "tstRTSymlink-link-1"));
+    RTSymlinkDelete(szPath1, 0); /* clean up previous run */
+    int rc = RTSymlinkCreate(szPath1, pszTarget, RTSYMLINKTYPE_FILE, 0);
+    if (rc == VERR_NOT_SUPPORTED)
+    {
+        RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "VERR_NOT_SUPPORTED - skipping\n");
+        return;
+    }
+    RTTESTI_CHECK_RC_RETV(rc, VINF_SUCCESS);
+
+    /* Check the predicate functions. */
+    RTTESTI_CHECK(RTSymlinkExists(szPath1));
+    RTTESTI_CHECK(RTSymlinkIsDangling(szPath1) == fDangling);
+
+    /* Read it. */
+    memset(szPath2, 0xff, sizeof(szPath2));
+    szPath2[sizeof(szPath2) - 1] = '\0';
+    RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, sizeof(szPath2), 0), VINF_SUCCESS);
+    RTTESTI_CHECK_MSG(strcmp(szPath2, szPath3) == 0, ("got=\"%s\" expected=\"%s\"", szPath2, szPath3));
+
+    memset(szPath2, 0xff, sizeof(szPath2));
+    szPath2[sizeof(szPath2) - 1] = '\0';
+    RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, cchTarget + 1, 0), VINF_SUCCESS);
+    RTTESTI_CHECK_MSG(strcmp(szPath2, szPath3) == 0, ("got=\"%s\" expected=\"%s\"", szPath2, szPath3));
+
+    memset(szPath2, 0xff, sizeof(szPath2));
+    szPath2[sizeof(szPath2) - 1] = '\0';
+    RTTESTI_CHECK_RC(RTSymlinkRead(szPath1, szPath2, cchTarget, 0), VERR_BUFFER_OVERFLOW);
+    RTTESTI_CHECK_MSG(   strncmp(szPath2, szPath3, cchTarget - 1) == 0
+                      && szPath2[cchTarget - 1] == '\0',
+                      ("got=\"%s\" expected=\"%.*s\"", szPath2, cchTarget - 1, szPath3));
+
+    /* Other APIs that have to handle symlinks carefully. */
+    RTFSOBJINFO ObjInfo;
+    RTTESTI_CHECK_RC(rc = RTPathQueryInfo(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTESTI_CHECK(RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
+    RTTESTI_CHECK_RC(rc = RTPathQueryInfoEx(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTESTI_CHECK(RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
+
+    if (!fDangling)
+    {
+        RTTESTI_CHECK_RC(rc = RTPathQueryInfoEx(szPath1, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_FOLLOW_LINK), VINF_SUCCESS);
+        if (RT_SUCCESS(rc))
+            RTTESTI_CHECK(!RTFS_IS_SYMLINK(ObjInfo.Attr.fMode));
+        else
+            RT_ZERO(ObjInfo);
+
+        if (enmType == RTSYMLINKTYPE_DIR)
+        {
+            RTTESTI_CHECK(RTDirExists(szPath1));
+            RTTESTI_CHECK(RTFS_IS_DIRECTORY(ObjInfo.Attr.fMode));
+        }
+        else if (enmType == RTSYMLINKTYPE_FILE)
+        {
+            RTTESTI_CHECK(RTFileExists(szPath1));
+            RTTESTI_CHECK(RTFS_IS_FILE(ObjInfo.Attr.fMode));
+        }
+
+        /** @todo Check more APIs */
+    }
+
+    /* Finally, the removal of the symlink. */
+    RTTESTI_CHECK_RC(RTSymlinkDelete(szPath1, 0), VINF_SUCCESS);
+    RTTESTI_CHECK_RC(RTSymlinkDelete(szPath1, 0), VERR_FILE_NOT_FOUND);
+}
+
+
+static void test1(RTTEST hTest, const char *pszBaseDir)
+{
+    char szPath1[RTPATH_MAX];
+
+    /*
+     * Making some assumptions about how we are executed from to start with...
+     */
+    RTTestISub("Negative RTSymlinkRead, Exists & IsDangling");
+    char szExecDir[RTPATH_MAX];
+    RTTESTI_CHECK_RC_OK_RETV(RTPathExecDir(szExecDir, sizeof(szExecDir)));
+    RTTESTI_CHECK(RTDirExists(szExecDir));
+
+    char szExecFile[RTPATH_MAX];
+    RTTESTI_CHECK_RETV(RTProcGetExecutablePath(szExecFile, sizeof(szExecFile)) != NULL);
+    RTTESTI_CHECK(RTFileExists(szExecFile));
+
+    RTTESTI_CHECK(!RTSymlinkExists(szExecFile));
+    RTTESTI_CHECK(!RTSymlinkExists(szExecDir));
+    RTTESTI_CHECK(!RTSymlinkIsDangling(szExecFile));
+    RTTESTI_CHECK(!RTSymlinkIsDangling(szExecDir));
+    RTTESTI_CHECK(!RTSymlinkExists("/"));
+    RTTESTI_CHECK(!RTSymlinkIsDangling("/"));
+    RTTESTI_CHECK(!RTSymlinkExists("/some/non-existing/directory/name/iprt"));
+    RTTESTI_CHECK(!RTSymlinkExists("/some/non-existing/directory/name/iprt/"));
+    RTTESTI_CHECK(!RTSymlinkIsDangling("/some/non-existing/directory/name/iprt"));
+    RTTESTI_CHECK(!RTSymlinkIsDangling("/some/non-existing/directory/name/iprt/"));
+
+    RTTESTI_CHECK_RC(RTSymlinkRead(szExecFile, szPath1, sizeof(szPath1), 0), VERR_NOT_SYMLINK);
+    RTTESTI_CHECK_RC(RTSymlinkRead(szExecDir,  szPath1, sizeof(szPath1), 0), VERR_NOT_SYMLINK);
+
+    /*
+     * Do some symlinking.  ASSUME they are supported on the test file system.
+     */
+    RTTestISub("Basics");
+    RTTESTI_CHECK_RETV(RTDirExists(pszBaseDir));
+    test1Worker(hTest, pszBaseDir, szExecFile, RTSYMLINKTYPE_FILE,    false /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, szExecDir,  RTSYMLINKTYPE_DIR,     false /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, szExecFile, RTSYMLINKTYPE_UNKNOWN, false /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, szExecDir,  RTSYMLINKTYPE_UNKNOWN, false /*fDangling*/);
+
+    /*
+     * Create a few dangling links.
+     */
+    RTTestISub("Dangling links");
+    test1Worker(hTest, pszBaseDir, "../dangle/dangle",  RTSYMLINKTYPE_FILE,     true /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, "../dangle/dangle",  RTSYMLINKTYPE_DIR,      true /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, "../dangle/dangle",  RTSYMLINKTYPE_UNKNOWN,  true /*fDangling*/);
+    test1Worker(hTest, pszBaseDir, "../dangle/dangle/", RTSYMLINKTYPE_UNKNOWN,  true /*fDangling*/);
+}
+
+
+int main()
+{
+    RTTEST hTest;
+    int rc = RTTestInitAndCreate("tstRTSymlink", &hTest);
+    if (rc)
+        return rc;
+    RTTestBanner(hTest);
+
+    test1(hTest, ".");
+
+    return RTTestSummaryAndDestroy(hTest);
+}
+