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Java: Implement ContentSet 
1 parent d99bb65 commit b91858e

8 files changed

Lines changed: 35 additions & 13 deletions

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‎java/ql/lib/semmle/code/java/dataflow/internal/DataFlowUtil.qll‎

Lines changed: 28 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -256,6 +256,34 @@ class SyntheticFieldContent extends Content, TSyntheticFieldContent {
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override string toString() { result = s.toString() }
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}
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259+
/**
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* An entity that represents a set of `Content`s.
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*
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* The set may be interpreted differently depending on whether it is
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* stored into (`getAStoreContent`) or read from (`getAReadContent`).
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*/
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class ContentSet instanceof Content {
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/** Gets a content that may be stored into when storing into this set. */
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Content getAStoreContent() { result = this }
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/** Gets a content that may be read from when reading from this set. */
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Content getAReadContent() { result = this }
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/** Gets a textual representation of this content set. */
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string toString() { result = super.toString() }
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/**
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* Holds if this element is at the specified location.
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* The location spans column `startcolumn` of line `startline` to
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* column `endcolumn` of line `endline` in file `filepath`.
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* For more information, see
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* [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
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*/
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predicate hasLocationInfo(string path, int sl, int sc, int el, int ec) {
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super.hasLocationInfo(path, sl, sc, el, ec)
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}
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}
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/**
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* A guard that validates some expression.
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*

‎java/ql/lib/semmle/code/java/security/AndroidSensitiveCommunicationQuery.qll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -142,7 +142,7 @@ class SensitiveCommunicationConfig extends TaintTracking::Configuration {
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*/
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override predicate isSanitizer(DataFlow::Node node) { node instanceof ExplicitIntentSanitizer }
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145-
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::Content c) {
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override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
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super.allowImplicitRead(node, c)
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or
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this.isSink(node)

‎java/ql/lib/semmle/code/java/security/ImplicitPendingIntentsQuery.qll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@ class ImplicitPendingIntentStartConf extends TaintTracking::Configuration {
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any(ImplicitPendingIntentAdditionalTaintStep c).step(node1, state1, node2, state2)
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}
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39-
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::Content c) {
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override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
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super.allowImplicitRead(node, c)
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or
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this.isSink(node, _) and

‎java/ql/lib/semmle/code/java/security/InsecureTrustManagerQuery.qll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@ class InsecureTrustManagerConfiguration extends DataFlow::Configuration {
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override predicate isSink(DataFlow::Node sink) { sink instanceof InsecureTrustManagerSink }
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20-
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::Content c) {
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override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
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(this.isSink(node) or this.isAdditionalFlowStep(node, _)) and
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node.getType() instanceof Array and
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c instanceof DataFlow::ArrayContent

‎java/ql/src/experimental/Security/CWE/CWE-200/AndroidFileIntentSource.qll‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,7 @@ class GetContentIntentConfig extends TaintTracking2::Configuration {
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)
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}
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43-
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::Content content) {
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override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet content) {
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super.allowImplicitRead(node, content)
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or
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// Allow the wrapped intent created by Intent.getChooser to be consumed

‎java/ql/test/experimental/query-tests/security/CWE-470/UnsafeReflection.expected‎

Lines changed: 0 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,9 @@
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edges
2-
| UnsafeReflection.java:21:28:21:60 | getParameter(...) : String | UnsafeReflection.java:25:29:25:59 | getDeclaredConstructors(...) : Constructor[] |
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| UnsafeReflection.java:21:28:21:60 | getParameter(...) : String | UnsafeReflection.java:25:29:25:62 | ...[...] |
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| UnsafeReflection.java:22:33:22:70 | getParameter(...) : String | UnsafeReflection.java:25:76:25:89 | parameterValue |
5-
| UnsafeReflection.java:25:29:25:59 | getDeclaredConstructors(...) : Constructor[] | UnsafeReflection.java:25:29:25:62 | ...[...] |
6-
| UnsafeReflection.java:33:28:33:60 | getParameter(...) : String | UnsafeReflection.java:39:13:39:38 | getDeclaredMethods(...) : Method[] |
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| UnsafeReflection.java:33:28:33:60 | getParameter(...) : String | UnsafeReflection.java:39:13:39:41 | ...[...] |
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| UnsafeReflection.java:33:28:33:60 | getParameter(...) : String | UnsafeReflection.java:39:50:39:55 | object |
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| UnsafeReflection.java:34:33:34:70 | getParameter(...) : String | UnsafeReflection.java:39:58:39:71 | parameterValue |
10-
| UnsafeReflection.java:39:13:39:38 | getDeclaredMethods(...) : Method[] | UnsafeReflection.java:39:13:39:41 | ...[...] |
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| UnsafeReflection.java:46:24:46:82 | beanIdOrClassName : String | UnsafeReflection.java:53:30:53:46 | beanIdOrClassName : String |
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| UnsafeReflection.java:46:132:46:168 | body : Map | UnsafeReflection.java:49:37:49:40 | body : Map |
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| UnsafeReflection.java:49:23:49:59 | (...)... : Object | UnsafeReflection.java:53:67:53:73 | rawData : Object |
@@ -24,12 +20,10 @@ edges
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nodes
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| UnsafeReflection.java:21:28:21:60 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeReflection.java:22:33:22:70 | getParameter(...) : String | semmle.label | getParameter(...) : String |
27-
| UnsafeReflection.java:25:29:25:59 | getDeclaredConstructors(...) : Constructor[] | semmle.label | getDeclaredConstructors(...) : Constructor[] |
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| UnsafeReflection.java:25:29:25:62 | ...[...] | semmle.label | ...[...] |
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| UnsafeReflection.java:25:76:25:89 | parameterValue | semmle.label | parameterValue |
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| UnsafeReflection.java:33:28:33:60 | getParameter(...) : String | semmle.label | getParameter(...) : String |
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| UnsafeReflection.java:34:33:34:70 | getParameter(...) : String | semmle.label | getParameter(...) : String |
32-
| UnsafeReflection.java:39:13:39:38 | getDeclaredMethods(...) : Method[] | semmle.label | getDeclaredMethods(...) : Method[] |
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| UnsafeReflection.java:39:13:39:41 | ...[...] | semmle.label | ...[...] |
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| UnsafeReflection.java:39:50:39:55 | object | semmle.label | object |
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| UnsafeReflection.java:39:58:39:71 | parameterValue | semmle.label | parameterValue |

‎java/ql/test/library-tests/dataflow/getter/getter.ql‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,10 +3,10 @@ import semmle.code.java.dataflow.internal.DataFlowImplCommon
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import semmle.code.java.dataflow.internal.DataFlowImplSpecific::Public
44
import semmle.code.java.dataflow.internal.DataFlowImplSpecific::Private
55

6-
from Node n1, Content f, Node n2
6+
from Node n1, ContentSet f, Node n2
77
where
88
(
9-
read(n1, f, n2) or
9+
readSet(n1, f, n2) or
1010
getterStep(n1, f, n2)
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) and
1212
n1.getEnclosingCallable().fromSource()

‎java/ql/test/library-tests/frameworks/android/slice/test.ql‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@ class SliceValueFlowConf extends DefaultValueFlowConf {
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}
1010

1111
class SliceTaintFlowConf extends DefaultTaintFlowConf {
12-
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::Content c) {
12+
override predicate allowImplicitRead(DataFlow::Node node, DataFlow::ContentSet c) {
1313
super.allowImplicitRead(node, c)
1414
or
1515
isSink(node) and

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