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62 lines
2 KiB
C++
62 lines
2 KiB
C++
--- base/rand_util_posix.cc.orig 2024-04-15 20:33:42 UTC
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+++ base/rand_util_posix.cc
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@@ -23,7 +23,7 @@
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#include "base/time/time.h"
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#include "build/build_config.h"
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-#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && !BUILDFLAG(IS_NACL)
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+#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && !BUILDFLAG(IS_NACL) && !BUILDFLAG(IS_BSD)
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#include "third_party/lss/linux_syscall_support.h"
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#elif BUILDFLAG(IS_MAC)
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// TODO(crbug.com/995996): Waiting for this header to appear in the iOS SDK.
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@@ -40,6 +40,7 @@ namespace {
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namespace {
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+#if !BUILDFLAG(IS_BSD)
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#if BUILDFLAG(IS_AIX)
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// AIX has no 64-bit support for O_CLOEXEC.
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static constexpr int kOpenFlags = O_RDONLY;
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@@ -64,10 +65,11 @@ class URandomFd {
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private:
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const int fd_;
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};
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+#endif
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#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || \
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BUILDFLAG(IS_ANDROID)) && \
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- !BUILDFLAG(IS_NACL)
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+ !BUILDFLAG(IS_NACL) && !BUILDFLAG(IS_BSD)
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// TODO(pasko): Unify reading kernel version numbers in:
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// mojo/core/channel_linux.cc
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// chrome/browser/android/seccomp_support_detector.cc
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@@ -177,6 +179,7 @@ void RandBytes(span<uint8_t> output, bool avoid_alloca
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namespace {
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void RandBytes(span<uint8_t> output, bool avoid_allocation) {
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+#if !BUILDFLAG(IS_BSD)
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#if !BUILDFLAG(IS_NACL)
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// The BoringSSL experiment takes priority over everything else.
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if (!avoid_allocation && internal::UseBoringSSLForRandBytes()) {
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@@ -215,6 +218,9 @@ void RandBytes(span<uint8_t> output, bool avoid_alloca
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const int urandom_fd = GetUrandomFD();
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const bool success = ReadFromFD(urandom_fd, as_writable_chars(output));
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CHECK(success);
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+#else
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+ arc4random_buf(output.data(), output.size());
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+#endif
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}
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} // namespace
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@@ -239,9 +245,11 @@ void RandBytes(void* output, size_t output_length) {
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RandBytes(make_span(static_cast<uint8_t*>(output), output_length));
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}
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+#if !BUILDFLAG(IS_BSD)
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int GetUrandomFD() {
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static NoDestructor<URandomFd> urandom_fd;
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return urandom_fd->fd();
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}
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+#endif
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} // namespace base
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