87 lines
4.6 KiB
Diff
87 lines
4.6 KiB
Diff
From f4c3c329588b78af63aad8b401da767242b86709 Mon Sep 17 00:00:00 2001
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From: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
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Date: Mon, 16 Sep 2019 17:05:42 +0000
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Subject: [PATCH] dns_util: Make DohUpgradeEntry non-const when used with
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std::vector<>
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This fixes the build with libstdc++ (with most other standard libraries
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other than libc++, in fact) after commit f93a48e3 ("Allow upgrade to DoH
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during automatic mode"):
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../../../../../../usr/bin/../lib/gcc/x86_64-redhat-linux/8/../../../../include/c++/8/bits/stl_vector.h:351:7: error: static_assert failed due to requirement 'is_same<typename remove_cv<const DohUpgradeEntry>::type, const DohUpgradeEntry>::value' "std::vector must have a non-const, non-volatile value_type"
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static_assert(is_same<typename remove_cv<_Tp>::type, _Tp>::value,
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^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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../../base/no_destructor.h:77:28: note: in instantiation of template class 'std::vector<const net::(anonymous namespace)::DohUpgradeEntry, std::allocator<const net::(anonymous namespace)::DohUpgradeEntry> >' requested here
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alignas(T) char storage_[sizeof(T)];
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^
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../../net/dns/dns_util.cc:147:7: note: in instantiation of template class 'base::NoDestructor<std::vector<const net::(anonymous namespace)::DohUpgradeEntry, std::allocator<const net::(anonymous namespace)::DohUpgradeEntry> > >' requested here
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upgradable_servers({
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^
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../../net/dns/dns_util.cc:230:36: error: invalid range expression of type 'const std::vector<const net::(anonymous namespace)::DohUpgradeEntry, std::allocator<const net::(anonymous namespace)::DohUpgradeEntry> >'; no viable 'begin' function available
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for (const auto& upgrade_entry : upgradable_servers) {
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^ ~~~~~~~~~~~~~~~~~~
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The C++ standard forbids containers of const elements. Callers of
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GetDohUpgradeList() use it in a safe way anyway, and most of
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DohUpgradeEntry's members are const.
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Bug: 957519
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Change-Id: I826a51823edb1184c0fae27105101e2894efe568
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1805636
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Auto-Submit: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
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Commit-Queue: Eric Orth <ericorth@chromium.org>
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Reviewed-by: Eric Orth <ericorth@chromium.org>
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Cr-Commit-Position: refs/heads/master@{#696834}
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---
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net/dns/dns_util.cc | 13 +++++--------
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1 file changed, 5 insertions(+), 8 deletions(-)
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diff --git a/net/dns/dns_util.cc b/net/dns/dns_util.cc
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index d83ff7c150..14997c48b2 100644
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--- net/dns/dns_util.cc
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+++ net/dns/dns_util.cc
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@@ -139,11 +139,11 @@ struct DohUpgradeEntry {
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const DnsConfig::DnsOverHttpsServerConfig dns_over_https_config;
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};
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-const std::vector<const DohUpgradeEntry>& GetDohUpgradeList() {
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+const std::vector<DohUpgradeEntry>& GetDohUpgradeList() {
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// The provider names in these entries should be kept in sync with the
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// DohProviderId histogram suffix list in
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// tools/metrics/histograms/histograms.xml.
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- static const base::NoDestructor<std::vector<const DohUpgradeEntry>>
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+ static const base::NoDestructor<std::vector<DohUpgradeEntry>>
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upgradable_servers({
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DohUpgradeEntry(
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"CleanBrowsingAdult",
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@@ -222,8 +222,7 @@ const std::vector<const DohUpgradeEntry>& GetDohUpgradeList() {
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std::vector<const DohUpgradeEntry*> GetDohUpgradeEntriesFromNameservers(
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const std::vector<IPEndPoint>& dns_servers,
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const std::vector<std::string>& excluded_providers) {
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- const std::vector<const DohUpgradeEntry>& upgradable_servers =
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- GetDohUpgradeList();
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+ const std::vector<DohUpgradeEntry>& upgradable_servers = GetDohUpgradeList();
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std::vector<const DohUpgradeEntry*> entries;
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for (const auto& server : dns_servers) {
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@@ -417,8 +416,7 @@ std::vector<DnsConfig::DnsOverHttpsServerConfig>
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GetDohUpgradeServersFromDotHostname(
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const std::string& dot_server,
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const std::vector<std::string>& excluded_providers) {
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- const std::vector<const DohUpgradeEntry>& upgradable_servers =
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- GetDohUpgradeList();
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+ const std::vector<DohUpgradeEntry>& upgradable_servers = GetDohUpgradeList();
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std::vector<DnsConfig::DnsOverHttpsServerConfig> doh_servers;
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if (dot_server.empty())
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@@ -451,8 +449,7 @@ GetDohUpgradeServersFromNameservers(
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std::string GetDohProviderIdForHistogramFromDohConfig(
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const DnsConfig::DnsOverHttpsServerConfig& doh_server) {
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- const std::vector<const DohUpgradeEntry>& upgradable_servers =
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- GetDohUpgradeList();
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+ const std::vector<DohUpgradeEntry>& upgradable_servers = GetDohUpgradeList();
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for (const auto& upgrade_entry : upgradable_servers) {
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if (doh_server.server_template ==
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upgrade_entry.dns_over_https_config.server_template) {
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