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[Bug-wget] [PATCH 07/27] Update Metalink/XML tests and add a new test fo


From: Matthew White
Subject: [Bug-wget] [PATCH 07/27] Update Metalink/XML tests and add a new test for home paths
Date: Thu, 29 Sep 2016 06:02:47 +0200

* testenv/Test-metalink-xml-relpath.py: Update test
* testenv/Test-metalink-xml-homepath.py: New file. Reject home paths
* testenv/Makefile.am: Add new file

When --input-metalink=<file> is used, each metalink:file name is
verified by libmetalink's metalink_check_safe_path(). By design,
absolute, relative and home paths are rejected.

At the moment of writing, when --metalink-over-http is used, absolute,
relative, and home paths aren't a concern. The destination file name
is a combination of URL's file name and cli's "Directory Options"
handled by src/url.c (url_file_name).
---
 testenv/Makefile.am                   |  3 +-
 testenv/Test-metalink-xml-homepath.py | 86 +++++++++++++++++++++++++++++++++++
 testenv/Test-metalink-xml-relpath.py  | 42 ++++++++++++++++-
 3 files changed, 129 insertions(+), 2 deletions(-)
 create mode 100755 testenv/Test-metalink-xml-homepath.py

diff --git a/testenv/Makefile.am b/testenv/Makefile.am
index 94be023..f14be07 100644
--- a/testenv/Makefile.am
+++ b/testenv/Makefile.am
@@ -31,7 +31,8 @@ if METALINK_IS_ENABLED
     Test-metalink-xml.py                            \
     Test-metalink-xml-continue.py                   \
     Test-metalink-xml-relpath.py                    \
-    Test-metalink-xml-abspath.py
+    Test-metalink-xml-abspath.py                    \
+    Test-metalink-xml-homepath.py
 else
   METALINK_TESTS =
 endif
diff --git a/testenv/Test-metalink-xml-homepath.py 
b/testenv/Test-metalink-xml-homepath.py
new file mode 100755
index 0000000..aa06f2b
--- /dev/null
+++ b/testenv/Test-metalink-xml-homepath.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+from sys import exit
+from test.http_test import HTTPTest
+from misc.wget_file import WgetFile
+import hashlib
+
+"""
+    This is to test if Metalink XML file escapes current directory.
+"""
+############# File Definitions ###############################################
+File1 = "Would you like some Tea?"
+File1_lowPref = "Do not take this"
+File1_sha256 = hashlib.sha256 (File1.encode ('UTF-8')).hexdigest ()
+MetaXml = \
+"""<?xml version="1.0" encoding="utf-8"?>
+<metalink version="3.0" xmlns="http://www.metalinker.org/";>
+  <publisher>
+    <name>GNU Wget</name>
+  </publisher>
+  <license>
+    <name>GNU GPL</name>
+    <url>http://www.gnu.org/licenses/gpl.html</url>
+  </license>
+  <identity>Wget Test File 1</identity>
+  <version>1.2.3</version>
+  <description>Wget Test File 1 description</description>
+  <files>
+    <file name="~/File1">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
+        <url type="http" preference="40">http://broken.example/File1</url>
+        <url type="http" 
preference="25">http://{{SRV_HOST}}:{{SRV_PORT}}/File1_lowPref</url>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
+  </files>
+</metalink>
+"""
+
+A_File = WgetFile ("File1", File1)
+B_File = WgetFile ("File1_lowPref", File1_lowPref)
+MetaFile = WgetFile ("test.metalink", MetaXml)
+
+WGET_OPTIONS = "--input-metalink test.metalink"
+WGET_URLS = [[]]
+
+Files = [[A_File, B_File]]
+Existing_Files = [MetaFile]
+
+ExpectedReturnCode = 0
+ExpectedDownloadedFiles = [MetaFile]
+
+################ Pre and Post Test Hooks #####################################
+pre_test = {
+    "ServerFiles"       : Files,
+    "LocalFiles"        : Existing_Files
+}
+test_options = {
+    "WgetCommands"      : WGET_OPTIONS,
+    "Urls"              : WGET_URLS
+}
+post_test = {
+    "ExpectedFiles"     : ExpectedDownloadedFiles,
+    "ExpectedRetcode"   : ExpectedReturnCode
+}
+
+http_test = HTTPTest (
+                pre_hook=pre_test,
+                test_params=test_options,
+                post_hook=post_test,
+)
+
+http_test.server_setup()
+### Get and use dynamic server sockname
+srv_host, srv_port = http_test.servers[0].server_inst.socket.getsockname ()
+
+MetaXml = MetaXml.replace('{{FILE1_HASH}}', File1_sha256)
+MetaXml = MetaXml.replace('{{SRV_HOST}}', srv_host)
+MetaXml = MetaXml.replace('{{SRV_PORT}}', str (srv_port))
+MetaFile.content = MetaXml
+
+err = http_test.begin ()
+
+exit (err)
diff --git a/testenv/Test-metalink-xml-relpath.py 
b/testenv/Test-metalink-xml-relpath.py
index c565302..9790cd4 100755
--- a/testenv/Test-metalink-xml-relpath.py
+++ b/testenv/Test-metalink-xml-relpath.py
@@ -25,11 +25,51 @@ MetaXml = \
   <version>1.2.3</version>
   <description>Wget Test File 1 description</description>
   <files>
+    <file name="File1/">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
+    <file name="./File1">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
     <file name="../File1">
       <verification>
         <hash type="sha256">{{FILE1_HASH}}</hash>
       </verification>
       <resources>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
+    <file name="dir/./File1">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
+    <file name="dir/../File1">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
+        <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
+      </resources>
+    </file>
+    <file name="dir/subdir/File1">
+      <verification>
+        <hash type="sha256">{{FILE1_HASH}}</hash>
+      </verification>
+      <resources>
         <url type="http" preference="40">http://broken.example/File1</url>
         <url type="http" 
preference="25">http://{{SRV_HOST}}:{{SRV_PORT}}/File1_lowPref</url>
         <url type="http" 
preference="30">http://{{SRV_HOST}}:{{SRV_PORT}}/File1</url>
@@ -50,7 +90,7 @@ Files = [[A_File, B_File]]
 Existing_Files = [MetaFile]
 
 ExpectedReturnCode = 0
-ExpectedDownloadedFiles = [MetaFile]
+ExpectedDownloadedFiles = [WgetFile ("dir/subdir/File1", File1), MetaFile]
 
 ################ Pre and Post Test Hooks #####################################
 pre_test = {
-- 
2.7.3




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