You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@tomcat.apache.org by ma...@apache.org on 2011/11/01 14:09:57 UTC

svn commit: r1195977 - in /tomcat/tc7.0.x/trunk: ./ java/org/apache/catalina/connector/ java/org/apache/tomcat/util/http/ test/org/apache/tomcat/util/http/

Author: markt
Date: Tue Nov  1 13:09:56 2011
New Revision: 1195977

URL: http://svn.apache.org/viewvc?rev=1195977&view=rev
Log:
Extend the parameter limits to multi-part processing

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/LocalStrings.properties
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/Request.java
    tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/Parameters.java
    tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/TestParameters.java

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov  1 13:09:56 2011
@@ -1 +1 @@
-/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
 ,1173241,1173256,1173288,1173333,1173342,1173461,1173614,1173630,1173659,1173722,1174061,1174239,1174322,1174325,1174329-1174330,1174337-1174339,1174343,1174353,1174799,1174882,1174884,1174983,1175155,1175158,1175167,1175182,1175190,1175201,1175272,1175275,1175283,1175582,1175589-1175590,1175594,1175602,1175613,1175633,1175690,1175713,1175889,1175896,1175907,1176584,1176590,1176799,1177050,1177060,1177125,1177152,1177160,1177245,1177850,1177862,1177978,1178209,1178228,1178233,1178449,1178542,1178681,1178684,1178721,1179268,1179274,1180261,1180865,1180891,1180894,1180907,1181028,1181123,1181125,1181136,1181291,1181743,1182796,1183078,1183105,1183142,1183328,1183339-1183340,1183492-1183494,1183605,1184917,1184919,1185018,1185020,1185200,1185588,1185626,1185756,1185758,1186011,1186042-1186045,1186104,1186123,1186137,1186153,1186254,1186257,1186377-1186379,1186479-1186480,1186712,1186743,1186750,1186763,1186890-1186892,1186894,1186949,1187018,1187027-1187028,1187381,1187755,1187
 775,1187827,1188301,1188303-1188305,1188399,1188822,1188930-1188931,1189116,1189129,1189183,1189240,1189256,1189386,1189413-1189414,1189477,1189685,1189805,1189857,1189864,1189882,1190034,1190185,1190279,1190339,1190371,1190388-1190389,1190474,1190481,1194915,1195222-1195223,1195531,1195899,1195905,1195943,1195949,1195953,1195955,1195965
+/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
 ,1173241,1173256,1173288,1173333,1173342,1173461,1173614,1173630,1173659,1173722,1174061,1174239,1174322,1174325,1174329-1174330,1174337-1174339,1174343,1174353,1174799,1174882,1174884,1174983,1175155,1175158,1175167,1175182,1175190,1175201,1175272,1175275,1175283,1175582,1175589-1175590,1175594,1175602,1175613,1175633,1175690,1175713,1175889,1175896,1175907,1176584,1176590,1176799,1177050,1177060,1177125,1177152,1177160,1177245,1177850,1177862,1177978,1178209,1178228,1178233,1178449,1178542,1178681,1178684,1178721,1179268,1179274,1180261,1180865,1180891,1180894,1180907,1181028,1181123,1181125,1181136,1181291,1181743,1182796,1183078,1183105,1183142,1183328,1183339-1183340,1183492-1183494,1183605,1184917,1184919,1185018,1185020,1185200,1185588,1185626,1185756,1185758,1186011,1186042-1186045,1186104,1186123,1186137,1186153,1186254,1186257,1186377-1186379,1186479-1186480,1186712,1186743,1186750,1186763,1186890-1186892,1186894,1186949,1187018,1187027-1187028,1187381,1187755,1187
 775,1187827,1188301,1188303-1188305,1188399,1188822,1188930-1188931,1189116,1189129,1189183,1189240,1189256,1189386,1189413-1189414,1189477,1189685,1189805,1189857,1189864,1189882,1190034,1190185,1190279,1190339,1190371,1190388-1190389,1190474,1190481,1194915,1195222-1195223,1195531,1195899,1195905,1195943,1195949,1195953,1195955,1195965,1195968

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/LocalStrings.properties
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/LocalStrings.properties?rev=1195977&r1=1195976&r2=1195977&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/LocalStrings.properties (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/LocalStrings.properties Tue Nov  1 13:09:56 2011
@@ -69,6 +69,7 @@ coyoteRequest.authenticate.ise=Cannot ca
 coyoteRequest.uploadLocationInvalid=The temporary upload location [{0}] is not valid
 coyoteRequest.sessionEndAccessFail=Exception triggered ending access to session while recycling request
 coyoteRequest.sendfileNotCanonical=Unable to determine canonical name of file [{0}] specified for use with sendfile
+coyoteRequest.maxPostSizeExceeded=The multi-part request contained parameter data (excluding uploaded files) that exceeded the limit for maxPostSize set on the associated connector
 
 requestFacade.nullRequest=The request object has been recycled and is no longer associated with this facade
 

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/Request.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/Request.java?rev=1195977&r1=1195976&r2=1195977&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/Request.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/Request.java Tue Nov  1 13:09:56 2011
@@ -24,6 +24,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
 import java.security.Principal;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
@@ -2683,26 +2684,59 @@ public class Request
         parts = new ArrayList<Part>();
         try {
             List<FileItem> items = upload.parseRequest(this);
+            int maxPostSize = getConnector().getMaxPostSize();
+            int postSize = 0;
+            String enc = getCharacterEncoding();
+            Charset charset = null;
+            if (enc != null) {
+                try {
+                    charset = B2CConverter.getCharset(enc);
+                } catch (UnsupportedEncodingException e) {
+                    // Ignore
+                }
+            }
             for (FileItem item : items) {
                 ApplicationPart part = new ApplicationPart(item, mce);
                 parts.add(part);
                 if (part.getFilename() == null) {
+                    String name = part.getName();
+                    String value = null;
                     try {
                         String encoding = parameters.getEncoding();
                         if (encoding == null) {
                             encoding = Parameters.DEFAULT_ENCODING;
                         }
-                        parameters.addParameter(part.getName(),
-                                part.getString(encoding));
+                        value = part.getString(encoding);
                     } catch (UnsupportedEncodingException uee) {
                         try {
-                            parameters.addParameter(part.getName(),
-                                    part.getString(
-                                            Parameters.DEFAULT_ENCODING));
+                            value = part.getString(Parameters.DEFAULT_ENCODING);
                         } catch (UnsupportedEncodingException e) {
                             // Should not be possible
                         }
                     }
+                    if (maxPostSize > 0) {
+                        // Have to calculate equivalent size. Not completely
+                        // accurate but close enough.
+                        if (charset == null) {
+                            // Name length
+                            postSize += name.getBytes().length;
+                        } else {
+                            postSize += name.getBytes(charset).length;
+                        }
+                        if (value != null) {
+                            // Equals sign
+                            postSize++;
+                            // Value length
+                            postSize += part.getSize();
+                        }
+                        // Value separator
+                        postSize++;
+                        if (postSize > maxPostSize) {
+                            throw new IllegalStateException(sm.getString(
+                                    "coyoteRequest.maxPostSizeExceeded"));
+                        }
+                    }
+                    parameters.addParameter(name, value);
                 }
             }
 

Modified: tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/Parameters.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/Parameters.java?rev=1195977&r1=1195976&r2=1195977&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/Parameters.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/tomcat/util/http/Parameters.java Tue Nov  1 13:09:56 2011
@@ -173,8 +173,19 @@ public final class Parameters {
     }
 
 
-    public void addParameter( String key, String value ) {
+    public void addParameter( String key, String value )
+            throws IllegalStateException {
+
         if( key==null ) return;
+
+        parameterCount ++;
+        if (limit > -1 && parameterCount > limit) {
+            // Processing this parameter will push us over the limit. ISE is
+            // what Request.parseParts() uses for requests that are too big
+            throw new IllegalStateException(sm.getString(
+                    "parameters.maxCountFail", Integer.valueOf(limit)));
+        }
+
         ArrayList<String> values = paramHashValues.get(key);
         if (values == null) {
             values = new ArrayList<String>(1);
@@ -218,13 +229,6 @@ public final class Parameters {
         int end = start + len;
 
         while(pos < end) {
-            parameterCount ++;
-
-            if (limit > -1 && parameterCount >= limit) {
-                log.warn(sm.getString("parameters.maxCountFail",
-                        Integer.valueOf(limit)));
-                break;
-            }
             int nameStart = pos;
             int nameEnd = -1;
             int valueStart = -1;
@@ -342,7 +346,14 @@ public final class Parameters {
                 tmpValue.setCharset(charset);
                 value = tmpValue.toString();
 
-                addParameter(name, value);
+                try {
+                    addParameter(name, value);
+                } catch (IllegalStateException ise) {
+                    // Hitting limit stops processing further params but does
+                    // not cause request to fail.
+                    log.warn(ise.getMessage());
+                    break;
+                }
             } catch (IOException e) {
                 decodeFailCount++;
                 if (decodeFailCount == 1 || log.isDebugEnabled()) {

Modified: tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/TestParameters.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/TestParameters.java?rev=1195977&r1=1195976&r2=1195977&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/TestParameters.java (original)
+++ tomcat/tc7.0.x/trunk/test/org/apache/tomcat/util/http/TestParameters.java Tue Nov  1 13:09:56 2011
@@ -21,6 +21,7 @@ import java.util.Enumeration;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import org.junit.Test;
@@ -44,24 +45,33 @@ public class TestParameters {
 
     @Test
     public void testProcessParametersByteArrayIntInt() {
-        doTestProcessParametersByteArrayIntInt(SIMPLE);
-        doTestProcessParametersByteArrayIntInt(SIMPLE_MULTIPLE);
-        doTestProcessParametersByteArrayIntInt(NO_VALUE);
-        doTestProcessParametersByteArrayIntInt(EMPTY_VALUE);
-        doTestProcessParametersByteArrayIntInt(EMPTY);
-        doTestProcessParametersByteArrayIntInt(UTF8);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1, SIMPLE);
+        doTestProcessParametersByteArrayIntInt(-1, SIMPLE_MULTIPLE);
+        doTestProcessParametersByteArrayIntInt(-1, NO_VALUE);
+        doTestProcessParametersByteArrayIntInt(-1, EMPTY_VALUE);
+        doTestProcessParametersByteArrayIntInt(-1, EMPTY);
+        doTestProcessParametersByteArrayIntInt(-1, UTF8);
+        doTestProcessParametersByteArrayIntInt(-1,
                 SIMPLE, SIMPLE_MULTIPLE, NO_VALUE, EMPTY_VALUE, EMPTY, UTF8);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1,
                 SIMPLE_MULTIPLE, NO_VALUE, EMPTY_VALUE, EMPTY, UTF8, SIMPLE);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1,
                 NO_VALUE, EMPTY_VALUE, EMPTY, UTF8, SIMPLE, SIMPLE_MULTIPLE);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1,
                 EMPTY_VALUE, EMPTY, UTF8, SIMPLE, SIMPLE_MULTIPLE, NO_VALUE);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1,
                 EMPTY, UTF8, SIMPLE, SIMPLE_MULTIPLE, NO_VALUE, EMPTY_VALUE);
-        doTestProcessParametersByteArrayIntInt(
+        doTestProcessParametersByteArrayIntInt(-1,
                 UTF8, SIMPLE, SIMPLE_MULTIPLE, NO_VALUE, EMPTY_VALUE, EMPTY);
+
+        doTestProcessParametersByteArrayIntInt(1,
+                SIMPLE, NO_VALUE, EMPTY_VALUE, UTF8);
+        doTestProcessParametersByteArrayIntInt(2,
+                SIMPLE, NO_VALUE, EMPTY_VALUE, UTF8);
+        doTestProcessParametersByteArrayIntInt(3,
+                SIMPLE, NO_VALUE, EMPTY_VALUE, UTF8);
+        doTestProcessParametersByteArrayIntInt(4,
+                SIMPLE, NO_VALUE, EMPTY_VALUE, UTF8);
     }
 
     // Make sure the inner Parameter class behaves correctly
@@ -73,7 +83,7 @@ public class TestParameters {
         assertEquals("foo4=", EMPTY_VALUE.toString());
     }
 
-    private long doTestProcessParametersByteArrayIntInt(
+    private long doTestProcessParametersByteArrayIntInt(int limit,
             Parameter... parameters) {
 
         // Build the byte array
@@ -92,12 +102,19 @@ public class TestParameters {
 
         Parameters p = new Parameters();
         p.setEncoding("UTF-8");
+        p.setLimit(limit);
 
         long start = System.nanoTime();
         p.processParameters(data, 0, data.length);
         long end = System.nanoTime();
 
-        validateParameters(parameters, p);
+        if (limit == -1) {
+            validateParameters(parameters, p);
+        } else {
+            Parameter[] limitParameters = new Parameter[limit];
+            System.arraycopy(parameters, 0, limitParameters, 0, limit);
+            validateParameters(limitParameters, p);
+        }
         return end - start;
     }
 
@@ -157,6 +174,73 @@ public class TestParameters {
         assertEquals("value4", values[3]);
     }
 
+    @Test
+    public void testAddParametersLimit() {
+        Parameters p = new Parameters();
+
+        p.setLimit(2);
+
+        // Empty at this point
+        Enumeration<String> names = p.getParameterNames();
+        assertFalse(names.hasMoreElements());
+        String[] values = p.getParameterValues("foo1");
+        assertNull(values);
+
+        // Add a parameter
+        p.addParameter("foo1", "value1");
+
+        names = p.getParameterNames();
+        assertTrue(names.hasMoreElements());
+        assertEquals("foo1", names.nextElement());
+        assertFalse(names.hasMoreElements());
+
+        values = p.getParameterValues("foo1");
+        assertEquals(1, values.length);
+        assertEquals("value1", values[0]);
+
+        // Add another parameter
+        p.addParameter("foo2", "value2");
+
+        names = p.getParameterNames();
+        assertTrue(names.hasMoreElements());
+        assertEquals("foo2", names.nextElement());
+        assertEquals("foo1", names.nextElement());
+        assertFalse(names.hasMoreElements());
+
+        values = p.getParameterValues("foo1");
+        assertEquals(1, values.length);
+        assertEquals("value1", values[0]);
+
+        values = p.getParameterValues("foo2");
+        assertEquals(1, values.length);
+        assertEquals("value2", values[0]);
+
+        // Add another parameter
+        IllegalStateException e = null;
+        try {
+            p.addParameter("foo3", "value3");
+        } catch (IllegalStateException ise) {
+            e = ise;
+        }
+        assertNotNull(e);
+
+        // Check current parameters remain unaffected
+        names = p.getParameterNames();
+        assertTrue(names.hasMoreElements());
+        assertEquals("foo2", names.nextElement());
+        assertEquals("foo1", names.nextElement());
+        assertFalse(names.hasMoreElements());
+
+        values = p.getParameterValues("foo1");
+        assertEquals(1, values.length);
+        assertEquals("value1", values[0]);
+
+        values = p.getParameterValues("foo2");
+        assertEquals(1, values.length);
+        assertEquals("value2", values[0]);
+
+    }
+
     private void validateParameters(Parameter[] parameters, Parameters p) {
         Enumeration<String> names = p.getParameterNames();
 



---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
For additional commands, e-mail: dev-help@tomcat.apache.org