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https://github.com/deneraraujo/OpenVPNAdapter.git
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f65d76170b
git-subtree-dir: OpenVPN Adapter/Vendors/openvpn git-subtree-split: da99df69492256d7a18bbea303ae98457782a4bf
49 lines
2.1 KiB
Diff
49 lines
2.1 KiB
Diff
From 430862dee0dd960be1f702cc5ae0e7c0525d48a4 Mon Sep 17 00:00:00 2001
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From: James Yonan <james@openvpn.net>
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Date: Wed, 3 Aug 2016 11:42:38 -0600
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Subject: =?UTF-8?q?Added=20Apple=20NAT64=20support=20when=20both=20ASIO=5F?=
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=?UTF-8?q?HAS=5FGETADDRINFO=0Aand=20ASIO=5FAPPLE=5FNAT64=20are=20defined.?=
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* When calling getaddrinfo(), Apple recommends to set
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AI_DEFAULT flags in hint.
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* iOS bug workaround: sometimes iOS getaddrinfo() returns a
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non-zero scope ID for non-link-local addresses.
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Workaround by forcing scope ID to 0 for non-link-local
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addresses.
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---
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asio/include/asio/detail/impl/socket_ops.ipp | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/asio/include/asio/detail/impl/socket_ops.ipp b/asio/include/asio/detail/impl/socket_ops.ipp
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index d72afec..4f66c77 100644
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--- a/asio/include/asio/detail/impl/socket_ops.ipp
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+++ b/asio/include/asio/detail/impl/socket_ops.ipp
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@@ -3276,6 +3276,23 @@ asio::error_code getaddrinfo(const char* host,
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#elif !defined(ASIO_HAS_GETADDRINFO)
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int error = getaddrinfo_emulation(host, service, &hints, result);
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return ec = translate_addrinfo_error(error);
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+#elif defined(ASIO_HAS_GETADDRINFO) && defined(ASIO_APPLE_NAT64)
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+ // For NAT64 compatibility, Apple recommends to set AI_DEFAULT flags
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+ addrinfo_type new_hints = hints;
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+ new_hints.ai_flags |= AI_DEFAULT;
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+ int error = ::getaddrinfo(host, service, &new_hints, result);
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+
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+ // iOS bug workaround: sometimes iOS getaddrinfo() returns a non-zero scope ID
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+ // for non-link-local addresses. Workaround by forcing scope ID to 0 for
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+ // non-link-local addresses.
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+ if (!error && (*result)->ai_family == AF_INET6)
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+ {
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+ sockaddr_in6* a6 = (sockaddr_in6*)(*result)->ai_addr;
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+ if (a6->sin6_scope_id && !(IN6_IS_ADDR_LINKLOCAL(&a6->sin6_addr) || IN6_IS_ADDR_MC_NODELOCAL(&a6->sin6_addr) || IN6_IS_ADDR_MC_LINKLOCAL(&a6->sin6_addr)))
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+ a6->sin6_scope_id = 0;
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+ }
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+
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+ return ec = translate_addrinfo_error(error);
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#else
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int error = ::getaddrinfo(host, service, &hints, result);
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return ec = translate_addrinfo_error(error);
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--
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1.8.5.2 (Apple Git-48)
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