Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/path/test/TestPathCchFindExtension.c

@@ -0,0 +1,114 @@
+#include <stdio.h>
+#include <winpr/crt.h>
+#include <winpr/path.h>
+#include <winpr/tchar.h>
+#include <winpr/winpr.h>
+
+static const char testPathExtension[] = "C:\\Windows\\System32\\cmd.exe";
+
+int TestPathCchFindExtension(int argc, char* argv[])
+{
+	PCSTR pszExt = nullptr;
+	PCSTR pszTmp = nullptr;
+	HRESULT hr = 0;
+
+	WINPR_UNUSED(argc);
+	WINPR_UNUSED(argv);
+
+	/* Test invalid args */
+
+	hr = PathCchFindExtensionA(nullptr, sizeof(testPathExtension), &pszExt);
+	if (SUCCEEDED(hr))
+	{
+		printf("PathCchFindExtensionA unexpectedly succeeded with pszPath = nullptr. result: "
+		       "0x%08" PRIX32 "\n",
+		       hr);
+		return -1;
+	}
+
+	hr = PathCchFindExtensionA(testPathExtension, 0, &pszExt);
+	if (SUCCEEDED(hr))
+	{
+		printf("PathCchFindExtensionA unexpectedly succeeded with cchPath = 0. result: 0x%08" PRIX32
+		       "\n",
+		       hr);
+		return -1;
+	}
+
+	hr = PathCchFindExtensionA(testPathExtension, sizeof(testPathExtension), nullptr);
+	if (SUCCEEDED(hr))
+	{
+		printf("PathCchFindExtensionA unexpectedly succeeded with ppszExt = nullptr. result: "
+		       "0x%08" PRIX32 "\n",
+		       hr);
+		return -1;
+	}
+
+	/* Test missing null-termination of pszPath */
+
+	hr = PathCchFindExtensionA("c:\\45.789", 9, &pszExt); /* nb: correct would be 10 */
+	if (SUCCEEDED(hr))
+	{
+		printf("PathCchFindExtensionA unexpectedly succeeded with unterminated pszPath. result: "
+		       "0x%08" PRIX32 "\n",
+		       hr);
+		return -1;
+	}
+
+	/* Test passing of an empty terminated string (must succeed) */
+
+	pszExt = nullptr;
+	pszTmp = "";
+	hr = PathCchFindExtensionA(pszTmp, 1, &pszExt);
+	if (hr != S_OK)
+	{
+		printf("PathCchFindExtensionA failed with an empty terminated string. result: 0x%08" PRIX32
+		       "\n",
+		       hr);
+		return -1;
+	}
+	/* pszExt must point to the strings terminating 0 now */
+	if (pszExt != pszTmp)
+	{
+		printf("PathCchFindExtensionA failed with an empty terminated string:  pszExt pointer "
+		       "mismatch\n");
+		return -1;
+	}
+
+	/* Test a path without file extension (must succeed) */
+
+	pszExt = nullptr;
+	pszTmp = "c:\\4.678\\";
+	hr = PathCchFindExtensionA(pszTmp, 10, &pszExt);
+	if (hr != S_OK)
+	{
+		printf("PathCchFindExtensionA failed with a directory path. result: 0x%08" PRIX32 "\n", hr);
+		return -1;
+	}
+	/* The extension must not have been found and pszExt must point to the
+	 * strings terminating nullptr now */
+	if (pszExt != &pszTmp[9])
+	{
+		printf("PathCchFindExtensionA failed with a directory path: pszExt pointer mismatch\n");
+		return -1;
+	}
+
+	/* Non-special tests */
+
+	pszExt = nullptr;
+	if (PathCchFindExtensionA(testPathExtension, sizeof(testPathExtension), &pszExt) != S_OK)
+	{
+		printf("PathCchFindExtensionA failure: expected S_OK\n");
+		return -1;
+	}
+
+	if (!pszExt || strcmp(pszExt, ".exe") != 0)
+	{
+		printf("PathCchFindExtensionA failure: unexpected extension\n");
+		return -1;
+	}
+
+	printf("Extension: %s\n", pszExt);
+
+	return 0;
+}