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C++: Update TlsSettingsMisconfiguration with DataFlow::ConfigSig

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This commit is contained in:
Jeroen Ketema
2023-03-08 14:50:46 +01:00
parent 4363a8ea30
commit af612a12de
1 changed files with 7 additions and 7 deletions
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14
cpp/ql/src/Likely Bugs/Protocols/TlsSettingsMisconfiguration.ql
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@@ -12,14 +12,12 @@
import cpp
import semmle.code.cpp.security.boostorg.asio.protocols
class ExistsAnyFlowConfig extends DataFlow::Configuration {
ExistsAnyFlowConfig() { this = "ExistsAnyFlowConfig" }
override predicate isSource(DataFlow::Node source) {
module ExistsAnyFlowConfig implements DataFlow::ConfigSig {
predicate isSource(DataFlow::Node source) {
exists(BoostorgAsio::SslContextClass c | c.getAContructorCall() = source.asExpr())
}
override predicate isSink(DataFlow::Node sink) {
predicate isSink(DataFlow::Node sink) {
exists(BoostorgAsio::SslSetOptionsFunction f, FunctionCall fcSetOptions |
f.getACallToThisFunction() = fcSetOptions and
fcSetOptions.getQualifier() = sink.asExpr()
@@ -27,10 +25,12 @@ class ExistsAnyFlowConfig extends DataFlow::Configuration {
}
}
module ExistsAnyFlow = DataFlow::Make<ExistsAnyFlowConfig>;
bindingset[flag]
predicate isOptionSet(ConstructorCall cc, int flag, FunctionCall fcSetOptions) {
exists(ExistsAnyFlowConfig anyFlowConfig, VariableAccess contextSetOptions |
anyFlowConfig.hasFlow(DataFlow::exprNode(cc), DataFlow::exprNode(contextSetOptions)) and
exists(VariableAccess contextSetOptions |
ExistsAnyFlow::hasFlow(DataFlow::exprNode(cc), DataFlow::exprNode(contextSetOptions)) and
exists(BoostorgAsio::SslSetOptionsFunction f | f.getACallToThisFunction() = fcSetOptions |
contextSetOptions = fcSetOptions.getQualifier() and
forall(