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Data flow: Sync files

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Tom Hvitved
2022-05-03 11:46:51 +02:00
parent 2b4fde74bb
commit e9c8f979f9
28 changed files with 616 additions and 476 deletions
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39
cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowImpl3.qll
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@@ -4206,10 +4206,11 @@ private module Subpaths {
pragma[nomagic]
private predicate subpaths01(
PathNodeImpl arg, ParamNodeEx par, SummaryCtxSome sc, CallContext innercc, ReturnKindExt kind,
NodeEx out, FlowState sout, AccessPath apout
NodeEx out, FlowState sout, CallContext ccout, AccessPath apout
) {
exists(Configuration config |
pathThroughCallable(arg, out, pragma[only_bind_into](sout), _, pragma[only_bind_into](apout)) and
pathThroughCallable(arg, out, pragma[only_bind_into](sout), ccout,
pragma[only_bind_into](apout)) and
pathIntoCallable(arg, par, _, _, innercc, sc, _, config) and
paramFlowsThrough(kind, pragma[only_bind_into](sout), innercc, sc,
pragma[only_bind_into](apout), _, unbindConf(config)) and
@@ -4224,10 +4225,11 @@ private module Subpaths {
pragma[nomagic]
private predicate subpaths02(
PathNode arg, ParamNodeEx par, SummaryCtxSome sc, CallContext innercc, ReturnKindExt kind,
NodeEx out, FlowState sout, AccessPath apout
NodeEx out, FlowState sout, CallContext ccout, AccessPath apout, Configuration config
) {
subpaths01(arg, par, sc, innercc, kind, out, sout, apout) and
out.asNode() = kind.getAnOutNode(_)
subpaths01(arg, par, sc, innercc, kind, out, sout, ccout, apout) and
out.asNode() = kind.getAnOutNode(_) and
config = getPathNodeConf(arg)
}
pragma[nomagic]
@@ -4238,12 +4240,14 @@ private module Subpaths {
*/
pragma[nomagic]
private predicate subpaths03(
PathNode arg, ParamNodeEx par, PathNodeMid ret, NodeEx out, FlowState sout, AccessPath apout
PathNodeMid arg, ParamNodeEx par, PathNodeMid ret, NodeEx out, FlowState sout,
CallContext ccout, AccessPath apout, SummaryCtx scout, Configuration config
) {
exists(SummaryCtxSome sc, CallContext innercc, ReturnKindExt kind, RetNodeEx retnode |
subpaths02(arg, par, sc, innercc, kind, out, sout, apout) and
pathNode(ret, retnode, sout, innercc, sc, apout, unbindConf(getPathNodeConf(arg)), _) and
kind = retnode.getKind()
subpaths02(arg, par, sc, innercc, kind, out, sout, ccout, apout, config) and
pathNode(ret, retnode, sout, innercc, sc, apout, config, _) and
kind = retnode.getKind() and
scout = arg.getSummaryCtx()
)
}
@@ -4263,16 +4267,17 @@ private module Subpaths {
* `ret -> out` is summarized as the edge `arg -> out`.
*/
predicate subpaths(PathNode arg, PathNodeImpl par, PathNodeImpl ret, PathNode out) {
exists(ParamNodeEx p, NodeEx o, FlowState sout, AccessPath apout, PathNodeMid out0 |
exists(
ParamNodeEx p, NodeEx o, FlowState sout, AccessPath apout, CallContext ccout,
SummaryCtx scout, PathNodeMid out0, Configuration config
|
pragma[only_bind_into](arg).getASuccessor() = par and
pragma[only_bind_into](arg).getASuccessor() = out0 and
subpaths03(arg, p, localStepToHidden*(ret), o, sout, apout) and
subpaths03(arg, p, localStepToHidden*(ret), o, sout, ccout, apout, scout, config) and
pathNode(out0, o, sout, ccout, scout, apout, config, _) and
not ret.isHidden() and
par.getNodeEx() = p and
out0.getNodeEx() = o and
out0.getState() = sout and
out0.getAp() = apout and
(out = out0 or out = out0.projectToSink())
par.getNodeEx() = p
|
out = out0 or out = out0.projectToSink()
)
}