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Change from Attribute to DataFlow::CallCfgNode in getRegexMethod()

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This commit is contained in:
jorgectf
2021-03-26 17:01:53 +01:00
parent c127b109d0
commit 35f1c45d32
2 changed files with 12 additions and 12 deletions
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8
python/ql/src/experimental/semmle/python/Concepts.qll
View File

@@ -26,7 +26,7 @@ module RegexExecution {
abstract class Range extends DataFlow::Node {
abstract DataFlow::Node getRegexNode();
abstract Attribute getRegexMethod();
abstract DataFlow::CallCfgNode getRegexMethod();
}
}
@@ -43,7 +43,7 @@ class RegexExecution extends DataFlow::Node {
DataFlow::Node getRegexNode() { result = range.getRegexNode() }
Attribute getRegexMethod() { result = range.getRegexMethod() }
DataFlow::CallCfgNode getRegexMethod() { result = range.getRegexMethod() }
}
/** Provides classes for modeling Regular Expression escape-related APIs. */
@@ -57,7 +57,7 @@ module RegexEscape {
abstract class Range extends DataFlow::Node {
abstract DataFlow::Node getRegexNode();
abstract Attribute getEscapeMethod();
abstract DataFlow::CallCfgNode getEscapeMethod();
}
}
@@ -74,5 +74,5 @@ class RegexEscape extends DataFlow::Node {
DataFlow::Node getRegexNode() { result = range.getRegexNode() }
Attribute getEscapeMethod() { result = range.getEscapeMethod() }
DataFlow::CallCfgNode getEscapeMethod() { result = range.getEscapeMethod() }
}

16
python/ql/src/experimental/semmle/python/frameworks/Stdlib.qll
View File

@@ -21,22 +21,22 @@ private module Re {
private class DirectRegex extends DataFlow::CallCfgNode, RegexExecution::Range {
DataFlow::Node regexNode;
Attribute regexMethod;
DataFlow::CallCfgNode regexMethod;
DirectRegex() {
this = API::moduleImport("re").getMember(any(ReMethods m)).getACall() and
regexNode = this.getArg(0) and
regexMethod = this.asExpr().(Attribute)
regexMethod = this
}
override DataFlow::Node getRegexNode() { result = regexNode }
override Attribute getRegexMethod() { result = regexMethod }
override DataFlow::CallCfgNode getRegexMethod() { result = regexMethod }
}
private class CompiledRegex extends DataFlow::CallCfgNode, RegexExecution::Range {
DataFlow::Node regexNode;
Attribute regexMethod;
DataFlow::CallCfgNode regexMethod;
CompiledRegex() {
exists(DataFlow::CallCfgNode patternCall, DirectRegex reMethod |
@@ -51,21 +51,21 @@ private module Re {
override DataFlow::Node getRegexNode() { result = regexNode }
override Attribute getRegexMethod() { result = regexMethod }
override DataFlow::CallCfgNode getRegexMethod() { result = regexMethod }
}
class ReEscape extends DataFlow::CallCfgNode, RegexEscape::Range {
DataFlow::Node regexNode;
Attribute escapeMethod;
DataFlow::CallCfgNode escapeMethod;
ReEscape() {
this = API::moduleImport("re").getMember("escape").getACall() and
regexNode = this.getArg(0) and
escapeMethod = this.asExpr().(Attribute)
escapeMethod = this
}
override DataFlow::Node getRegexNode() { result = regexNode }
override Attribute getEscapeMethod() { result = escapeMethod }
override DataFlow::CallCfgNode getEscapeMethod() { result = escapeMethod }
}
}