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https://github.com/github/codeql.git
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Add more test cases
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@@ -2,6 +2,7 @@ package com.example;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.net.URL;
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@@ -60,6 +61,42 @@ public class UnsafeResourceGet extends HttpServlet {
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}
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}
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// GOOD: getResource constructed from `ServletContext` with null check only
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protected void doGetGood2(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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String requestUrl = request.getParameter("requestURL");
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PrintWriter writer = response.getWriter();
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ServletConfig cfg = getServletConfig();
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ServletContext sc = cfg.getServletContext();
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// A sample request /fake.jsp/../WEB-INF/web.xml can load the web.xml file
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URL url = sc.getResource(requestUrl);
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if (url == null) {
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writer.println("Requested source not found");
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}
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}
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// GOOD: getResource constructed from `ServletContext` with `equals` check
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protected void doGetGood3(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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String requestUrl = request.getParameter("requestURL");
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ServletOutputStream out = response.getOutputStream();
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ServletContext sc = request.getServletContext();
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if (requestUrl.equals("/public/crossdomain.xml")) {
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URL url = sc.getResource(requestUrl);
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InputStream in = url.openStream();
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byte[] buf = new byte[4 * 1024]; // 4K buffer
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int bytesRead;
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while ((bytesRead = in.read(buf)) != -1) {
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out.write(buf, 0, bytesRead);
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}
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}
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}
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@Override
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// BAD: getResourceAsStream constructed from `ServletContext` without input validation
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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@@ -67,9 +104,6 @@ public class UnsafeResourceGet extends HttpServlet {
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String requestPath = request.getParameter("requestPath");
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ServletOutputStream out = response.getOutputStream();
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ServletConfig cfg = getServletConfig();
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ServletContext sc = cfg.getServletContext();
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// A sample request /fake.jsp/../WEB-INF/web.xml can load the web.xml file
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InputStream in = request.getServletContext().getResourceAsStream(requestPath);
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byte[] buf = new byte[4 * 1024]; // 4K buffer
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@@ -85,9 +119,6 @@ public class UnsafeResourceGet extends HttpServlet {
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String requestPath = request.getParameter("requestPath");
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ServletOutputStream out = response.getOutputStream();
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ServletConfig cfg = getServletConfig();
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ServletContext sc = cfg.getServletContext();
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if (!requestPath.contains("..") && requestPath.startsWith("/trusted")) {
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InputStream in = request.getServletContext().getResourceAsStream(requestPath);
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byte[] buf = new byte[4 * 1024]; // 4K buffer
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@@ -1,9 +1,9 @@
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edges
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| UnsafeRequestPath.java:20:17:20:63 | getServletPath(...) : String | UnsafeRequestPath.java:23:33:23:36 | path |
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| UnsafeResourceGet.java:24:23:24:56 | getParameter(...) : String | UnsafeResourceGet.java:31:28:31:37 | requestUrl |
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| UnsafeResourceGet.java:67:24:67:58 | getParameter(...) : String | UnsafeResourceGet.java:74:68:74:78 | requestPath |
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| UnsafeResourceGet.java:105:23:105:56 | getParameter(...) : String | UnsafeResourceGet.java:110:36:110:45 | requestUrl |
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| UnsafeResourceGet.java:143:24:143:58 | getParameter(...) : String | UnsafeResourceGet.java:151:68:151:78 | requestPath |
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| UnsafeResourceGet.java:25:23:25:56 | getParameter(...) : String | UnsafeResourceGet.java:34:20:34:22 | url |
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| UnsafeResourceGet.java:104:24:104:58 | getParameter(...) : String | UnsafeResourceGet.java:108:68:108:78 | requestPath |
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| UnsafeResourceGet.java:136:23:136:56 | getParameter(...) : String | UnsafeResourceGet.java:143:20:143:22 | url |
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| UnsafeResourceGet.java:174:24:174:58 | getParameter(...) : String | UnsafeResourceGet.java:182:68:182:78 | requestPath |
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| UnsafeServletRequestDispatch.java:23:22:23:54 | getParameter(...) : String | UnsafeServletRequestDispatch.java:32:51:32:59 | returnURL |
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| UnsafeServletRequestDispatch.java:42:22:42:54 | getParameter(...) : String | UnsafeServletRequestDispatch.java:48:56:48:64 | returnURL |
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| UnsafeServletRequestDispatch.java:71:17:71:44 | getParameter(...) : String | UnsafeServletRequestDispatch.java:76:53:76:56 | path |
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@@ -23,14 +23,14 @@ edges
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nodes
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| UnsafeRequestPath.java:20:17:20:63 | getServletPath(...) : String | semmle.label | getServletPath(...) : String |
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| UnsafeRequestPath.java:23:33:23:36 | path | semmle.label | path |
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| UnsafeResourceGet.java:24:23:24:56 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:31:28:31:37 | requestUrl | semmle.label | requestUrl |
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| UnsafeResourceGet.java:67:24:67:58 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:74:68:74:78 | requestPath | semmle.label | requestPath |
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| UnsafeResourceGet.java:105:23:105:56 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:110:36:110:45 | requestUrl | semmle.label | requestUrl |
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| UnsafeResourceGet.java:143:24:143:58 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:151:68:151:78 | requestPath | semmle.label | requestPath |
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| UnsafeResourceGet.java:25:23:25:56 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:34:20:34:22 | url | semmle.label | url |
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| UnsafeResourceGet.java:104:24:104:58 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:108:68:108:78 | requestPath | semmle.label | requestPath |
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| UnsafeResourceGet.java:136:23:136:56 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:143:20:143:22 | url | semmle.label | url |
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| UnsafeResourceGet.java:174:24:174:58 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeResourceGet.java:182:68:182:78 | requestPath | semmle.label | requestPath |
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| UnsafeServletRequestDispatch.java:23:22:23:54 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeServletRequestDispatch.java:32:51:32:59 | returnURL | semmle.label | returnURL |
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| UnsafeServletRequestDispatch.java:42:22:42:54 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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@@ -61,10 +61,10 @@ nodes
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subpaths
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#select
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| UnsafeRequestPath.java:23:33:23:36 | path | UnsafeRequestPath.java:20:17:20:63 | getServletPath(...) : String | UnsafeRequestPath.java:23:33:23:36 | path | Potentially untrusted URL forward due to $@. | UnsafeRequestPath.java:20:17:20:63 | getServletPath(...) | user-provided value |
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| UnsafeResourceGet.java:31:28:31:37 | requestUrl | UnsafeResourceGet.java:24:23:24:56 | getParameter(...) : String | UnsafeResourceGet.java:31:28:31:37 | requestUrl | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:24:23:24:56 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:74:68:74:78 | requestPath | UnsafeResourceGet.java:67:24:67:58 | getParameter(...) : String | UnsafeResourceGet.java:74:68:74:78 | requestPath | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:67:24:67:58 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:110:36:110:45 | requestUrl | UnsafeResourceGet.java:105:23:105:56 | getParameter(...) : String | UnsafeResourceGet.java:110:36:110:45 | requestUrl | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:105:23:105:56 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:151:68:151:78 | requestPath | UnsafeResourceGet.java:143:24:143:58 | getParameter(...) : String | UnsafeResourceGet.java:151:68:151:78 | requestPath | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:143:24:143:58 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:34:20:34:22 | url | UnsafeResourceGet.java:25:23:25:56 | getParameter(...) : String | UnsafeResourceGet.java:34:20:34:22 | url | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:25:23:25:56 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:108:68:108:78 | requestPath | UnsafeResourceGet.java:104:24:104:58 | getParameter(...) : String | UnsafeResourceGet.java:108:68:108:78 | requestPath | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:104:24:104:58 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:143:20:143:22 | url | UnsafeResourceGet.java:136:23:136:56 | getParameter(...) : String | UnsafeResourceGet.java:143:20:143:22 | url | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:136:23:136:56 | getParameter(...) | user-provided value |
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| UnsafeResourceGet.java:182:68:182:78 | requestPath | UnsafeResourceGet.java:174:24:174:58 | getParameter(...) : String | UnsafeResourceGet.java:182:68:182:78 | requestPath | Potentially untrusted URL forward due to $@. | UnsafeResourceGet.java:174:24:174:58 | getParameter(...) | user-provided value |
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| UnsafeServletRequestDispatch.java:32:51:32:59 | returnURL | UnsafeServletRequestDispatch.java:23:22:23:54 | getParameter(...) : String | UnsafeServletRequestDispatch.java:32:51:32:59 | returnURL | Potentially untrusted URL forward due to $@. | UnsafeServletRequestDispatch.java:23:22:23:54 | getParameter(...) | user-provided value |
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| UnsafeServletRequestDispatch.java:48:56:48:64 | returnURL | UnsafeServletRequestDispatch.java:42:22:42:54 | getParameter(...) : String | UnsafeServletRequestDispatch.java:48:56:48:64 | returnURL | Potentially untrusted URL forward due to $@. | UnsafeServletRequestDispatch.java:42:22:42:54 | getParameter(...) | user-provided value |
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| UnsafeServletRequestDispatch.java:76:53:76:56 | path | UnsafeServletRequestDispatch.java:71:17:71:44 | getParameter(...) : String | UnsafeServletRequestDispatch.java:76:53:76:56 | path | Potentially untrusted URL forward due to $@. | UnsafeServletRequestDispatch.java:71:17:71:44 | getParameter(...) | user-provided value |
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