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// RUN: %empty-directory(%t)
//
// RUN: %target-clang -x c %S/Inputs/sensitive_c_functions.c -c -o %t/sensitive_c_functions.o
//
// RUN: %target-build-swift -target %module-target-future -module-name=test -enable-experimental-feature Sensitive -parse-as-library -Onone -import-objc-header %S/Inputs/sensitive.h %s %t/sensitive_c_functions.o -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s
//
// RUN: %target-build-swift -target %module-target-future -module-name=test -enable-experimental-feature Sensitive -parse-as-library -O -import-objc-header %S/Inputs/sensitive.h %s %t/sensitive_c_functions.o -o %t/ao.out
// RUN: %target-codesign %t/ao.out
// RUN: %target-run %t/ao.out | %FileCheck %s
//
// Test with memset_s which uses the compiler if of swift_clearSensitive is not available:
// RUN: %target-build-swift -module-name=test -enable-experimental-feature Sensitive -parse-as-library -Onone -import-objc-header %S/Inputs/sensitive.h %s %t/sensitive_c_functions.o -o %t/a.out
// RUN: %target-codesign %t/a.out
// RUN: %target-run %t/a.out | %FileCheck %s
//
// REQUIRES: executable_test
// REQUIRES: swift_feature_Sensitive
// UNSUPPORTED: use_os_stdlib
var checkBuffer: UnsafeBufferPointer<UInt32>?
@inline(never)
func checkLater<T>(_ t: inout T) {
withUnsafePointer(to: &t) {
let size = MemoryLayout<T>.size / MemoryLayout<UInt32>.size
$0.withMemoryRebound(to: UInt32.self, capacity: size) {
checkBuffer = UnsafeBufferPointer(start: $0, count: size)
}
}
}
@inline(never)
func printit<T>(_ t: inout T) {
print(t)
}
@inline(never)
func consumeAndPrint<T>(_ t: consuming T) {
print(t)
}
@inline(never)
func check() {
for b in checkBuffer! {
precondition(b != 0xdeadbeaf)
}
}
@inline(never)
func printSensitive<T>(_ t: T) {
do {
var x: T = t
checkLater(&x)
printit(&x)
}
check()
print() // to prevent tail call of `check()`
}
@inline(never)
func printConsumed<T>(_ t: T) {
do {
var x: T = t
checkLater(&x)
consumeAndPrint(x)
}
check()
print() // to prevent tail call of `check()`
}
@inline(never)
func checkSmallCStructs() {
do {
var x = getSmallStruct(27)
checkLater(&x)
x = forwardSmallStruct(x);
printSmallStruct(27, x, 28)
}
check()
print() // to prevent tail call of `check()`
}
@inline(never)
func checkLargeCStructs() {
do {
var x = getLargeStruct(29)
checkLater(&x)
x = forwardLargeStruct(x);
printLargeStruct(30, x, 31)
}
check()
print() // to prevent tail call of `check()`
}
protocol P {}
@sensitive
struct SensitiveStruct {
var a: UInt32 = 0xdeadbeaf
var b: UInt32 = 0xdeadbeaf
var c: UInt32 = 0xdeadbeaf
}
// A struct which would be address-only also without @sensitive
@sensitive
struct NonLoadableSensitiveStruct {
var a: UInt32 = 0xdeadbeaf
var b: UInt32 = 0xdeadbeaf
var c: UInt32 = 0xdeadbeaf
let p: P
}
struct X : P {}
struct Container<T> {
var x = 123
let t: T
var y = 456
}
@main struct Main {
static func main() {
// CHECK: SensitiveStruct(a: 3735928495, b: 3735928495, c: 3735928495)
printSensitive(SensitiveStruct())
// CHECK: SensitiveStruct(a: 3735928495, b: 3735928495, c: 3735928495)
printConsumed(SensitiveStruct())
// CHECK: Optional(test.SensitiveStruct(a: 3735928495, b: 3735928495, c: 3735928495))
printSensitive(Optional(SensitiveStruct()))
// CHECK: NonLoadableSensitiveStruct(a: 3735928495, b: 3735928495, c: 3735928495, p: test.X())
printSensitive(NonLoadableSensitiveStruct(p: X()))
// CHECK: Container<SensitiveStruct>(x: 123, t: test.SensitiveStruct(a: 3735928495, b: 3735928495, c: 3735928495), y: 456)
printSensitive(Container(t: SensitiveStruct()))
// CHECK: x = 27
// CHECK-NEXT: x = 27, y = 28
// CHECK-NEXT: s = (3735928495, 3735928495, 3735928495)
checkSmallCStructs();
// CHECK: x = 29
// CHECK-NEXT: x = 30, y = 31
// CHECK-NEXT: s = (3735928495, 3735928495, 3735928495, 3735928495, 3735928495, 3735928495, 3735928495)
checkLargeCStructs();
}
}
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