https://bugs.gentoo.org/946389
https://github.com/randombit/botan/pull/4484

From 2a406beab449a2cb310fa543451a7087ca7b4b1a Mon Sep 17 00:00:00 2001
From: q66 <q66@chimera-linux.org>
Date: Sun, 15 Dec 2024 02:42:02 +0100
Subject: [PATCH 1/2] Remove usage of deprecated asio API

These were all finally dropped with boost 1.87, so this fixes
build with boost 1.87.
--- a/src/cli/tls_proxy.cpp
+++ b/src/cli/tls_proxy.cpp
@@ -106,11 +106,11 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
 
       typedef std::shared_ptr<tls_proxy_session> pointer;
 
-      static pointer create(boost::asio::io_service& io,
+      static pointer create(boost::asio::io_context& io,
                             const std::shared_ptr<Botan::TLS::Session_Manager>& session_manager,
                             const std::shared_ptr<Botan::Credentials_Manager>& credentials,
                             const std::shared_ptr<Botan::TLS::Policy>& policy,
-                            const tcp::resolver::iterator& endpoints) {
+                            const tcp::resolver::results_type& endpoints) {
          auto session = std::make_shared<tls_proxy_session>(io, endpoints);
 
          // Defer the setup of the TLS server to make use of
@@ -144,7 +144,7 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
          }
       }
 
-      tls_proxy_session(boost::asio::io_service& io, tcp::resolver::iterator endpoints) :
+      tls_proxy_session(boost::asio::io_context& io, tcp::resolver::results_type endpoints) :
             m_strand(io),
             m_server_endpoints(std::move(endpoints)),
             m_client_socket(io),
@@ -287,7 +287,7 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
 
       void tls_session_activated() override {
          auto onConnect = [self = weak_from_this()](boost::system::error_code ec,
-                                                    const tcp::resolver::iterator& /*endpoint*/) {
+                                                    tcp::resolver::results_type::iterator /*endpoint*/) {
             if(ec) {
                log_error("Server connection", ec);
                return;
@@ -301,7 +301,7 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
                return;
             }
          };
-         async_connect(m_server_socket, m_server_endpoints, onConnect);
+         async_connect(m_server_socket, m_server_endpoints.begin(), m_server_endpoints.end(), onConnect);
       }
 
       void tls_session_established(const Botan::TLS::Session_Summary& session) override {
@@ -315,9 +315,9 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
          }
       }
 
-      boost::asio::io_service::strand m_strand;
+      boost::asio::io_context::strand m_strand;
 
-      tcp::resolver::iterator m_server_endpoints;
+      tcp::resolver::results_type m_server_endpoints;
 
       tcp::socket m_client_socket;
       tcp::socket m_server_socket;
@@ -341,9 +341,9 @@ class tls_proxy_server final {
    public:
       typedef tls_proxy_session session;
 
-      tls_proxy_server(boost::asio::io_service& io,
+      tls_proxy_server(boost::asio::io_context& io,
                        unsigned short port,
-                       tcp::resolver::iterator endpoints,
+                       tcp::resolver::results_type endpoints,
                        std::shared_ptr<Botan::Credentials_Manager> creds,
                        std::shared_ptr<Botan::TLS::Policy> policy,
                        std::shared_ptr<Botan::TLS::Session_Manager> session_mgr,
@@ -383,7 +383,7 @@ class tls_proxy_server final {
       }
 
       tcp::acceptor m_acceptor;
-      tcp::resolver::iterator m_server_endpoints;
+      tcp::resolver::results_type m_server_endpoints;
 
       std::shared_ptr<Botan::Credentials_Manager> m_creds;
       std::shared_ptr<Botan::TLS::Policy> m_policy;
@@ -429,10 +429,10 @@ class TLS_Proxy final : public Command {
 
          auto policy = load_tls_policy(get_arg("policy"));
 
-         boost::asio::io_service io;
+         boost::asio::io_context io;
 
          tcp::resolver resolver(io);
-         auto server_endpoint_iterator = resolver.resolve({target, target_port});
+         auto server_endpoint_iterator = resolver.resolve(target, target_port);
 
          std::shared_ptr<Botan::TLS::Session_Manager> session_mgr;
 
--- a/src/lib/utils/socket/socket.cpp
+++ b/src/lib/utils/socket/socket.cpp
@@ -46,20 +46,19 @@ class Asio_Socket final : public OS::Socket {
    public:
       Asio_Socket(std::string_view hostname, std::string_view service, std::chrono::milliseconds timeout) :
             m_timeout(timeout), m_timer(m_io), m_tcp(m_io) {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
          check_timeout();
 
          boost::asio::ip::tcp::resolver resolver(m_io);
-         boost::asio::ip::tcp::resolver::query query(std::string{hostname}, std::string{service});
-         boost::asio::ip::tcp::resolver::iterator dns_iter = resolver.resolve(query);
+         boost::asio::ip::tcp::resolver::results_type dns_iter = resolver.resolve(std::string{hostname}, std::string{service});
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
-         auto connect_cb = [&ec](const boost::system::error_code& e, const boost::asio::ip::tcp::resolver::iterator&) {
+         auto connect_cb = [&ec](const boost::system::error_code& e, boost::asio::ip::tcp::resolver::results_type::iterator) {
             ec = e;
          };
 
-         boost::asio::async_connect(m_tcp, dns_iter, connect_cb);
+         boost::asio::async_connect(m_tcp, dns_iter.begin(), dns_iter.end(), connect_cb);
 
          while(ec == boost::asio::error::would_block) {
             m_io.run_one();
@@ -74,7 +73,7 @@ class Asio_Socket final : public OS::Socket {
       }
 
       void write(const uint8_t buf[], size_t len) override {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
@@ -90,7 +89,7 @@ class Asio_Socket final : public OS::Socket {
       }
 
       size_t read(uint8_t buf[], size_t len) override {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
 
          boost::system::error_code ec = boost::asio::error::would_block;
          size_t got = 0;
@@ -116,7 +115,7 @@ class Asio_Socket final : public OS::Socket {
 
    private:
       void check_timeout() {
-         if(m_tcp.is_open() && m_timer.expires_at() < std::chrono::system_clock::now()) {
+         if(m_tcp.is_open() && m_timer.expiry() < std::chrono::system_clock::now()) {
             boost::system::error_code err;
 
             // NOLINTNEXTLINE(bugprone-unused-return-value,cert-err33-c)
@@ -127,7 +126,7 @@ class Asio_Socket final : public OS::Socket {
       }
 
       const std::chrono::milliseconds m_timeout;
-      boost::asio::io_service m_io;
+      boost::asio::io_context m_io;
       boost::asio::system_timer m_timer;
       boost::asio::ip::tcp::socket m_tcp;
 };
--- a/src/lib/utils/socket/socket_udp.cpp
+++ b/src/lib/utils/socket/socket_udp.cpp
@@ -46,20 +46,19 @@ class Asio_SocketUDP final : public OS::SocketUDP {
    public:
       Asio_SocketUDP(std::string_view hostname, std::string_view service, std::chrono::microseconds timeout) :
             m_timeout(timeout), m_timer(m_io), m_udp(m_io) {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
          check_timeout();
 
          boost::asio::ip::udp::resolver resolver(m_io);
-         boost::asio::ip::udp::resolver::query query(std::string{hostname}, std::string{service});
-         boost::asio::ip::udp::resolver::iterator dns_iter = resolver.resolve(query);
+         boost::asio::ip::udp::resolver::results_type dns_iter = resolver.resolve(std::string{hostname}, std::string{service});
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
-         auto connect_cb = [&ec](const boost::system::error_code& e, const boost::asio::ip::udp::resolver::iterator&) {
+         auto connect_cb = [&ec](const boost::system::error_code& e, boost::asio::ip::udp::resolver::results_type::iterator) {
             ec = e;
          };
 
-         boost::asio::async_connect(m_udp, dns_iter, connect_cb);
+         boost::asio::async_connect(m_udp, dns_iter.begin(), dns_iter.end(), connect_cb);
 
          while(ec == boost::asio::error::would_block) {
             m_io.run_one();
@@ -74,7 +73,7 @@ class Asio_SocketUDP final : public OS::SocketUDP {
       }
 
       void write(const uint8_t buf[], size_t len) override {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
@@ -90,7 +89,7 @@ class Asio_SocketUDP final : public OS::SocketUDP {
       }
 
       size_t read(uint8_t buf[], size_t len) override {
-         m_timer.expires_from_now(m_timeout);
+         m_timer.expires_after(m_timeout);
 
          boost::system::error_code ec = boost::asio::error::would_block;
          size_t got = 0;
@@ -116,7 +115,7 @@ class Asio_SocketUDP final : public OS::SocketUDP {
 
    private:
       void check_timeout() {
-         if(m_udp.is_open() && m_timer.expires_at() < std::chrono::system_clock::now()) {
+         if(m_udp.is_open() && m_timer.expiry() < std::chrono::system_clock::now()) {
             boost::system::error_code err;
 
             // NOLINTNEXTLINE(bugprone-unused-return-value,cert-err33-c)
@@ -127,7 +126,7 @@ class Asio_SocketUDP final : public OS::SocketUDP {
       }
 
       const std::chrono::microseconds m_timeout;
-      boost::asio::io_service m_io;
+      boost::asio::io_context m_io;
       boost::asio::system_timer m_timer;
       boost::asio::ip::udp::socket m_udp;
 };

From 3820f357017eacef1fcb5119582bc9789b88f6c2 Mon Sep 17 00:00:00 2001
From: Jack Lloyd <jack@randombit.net>
Date: Wed, 18 Dec 2024 17:10:34 -0500
Subject: [PATCH 2/2] Address review comments

--- a/src/cli/tls_proxy.cpp
+++ b/src/cli/tls_proxy.cpp
@@ -287,7 +287,7 @@ class tls_proxy_session final : public std::enable_shared_from_this<tls_proxy_se
 
       void tls_session_activated() override {
          auto onConnect = [self = weak_from_this()](boost::system::error_code ec,
-                                                    tcp::resolver::results_type::iterator /*endpoint*/) {
+                                                    const tcp::resolver::results_type::iterator& /*endpoint*/) {
             if(ec) {
                log_error("Server connection", ec);
                return;
--- a/src/examples/tls_stream_client.cpp
+++ b/src/examples/tls_stream_client.cpp
@@ -35,7 +35,7 @@ class Credentials_Manager : public Botan::Credentials_Manager {
 class client {
    public:
       client(boost::asio::io_context& io_context,
-             boost::asio::ip::tcp::resolver::iterator endpoint_iterator,
+             const boost::asio::ip::tcp::resolver::results_type& endpoints,
              std::string_view host,
              const http::request<http::string_body>& req) :
             m_request(req),
@@ -46,7 +46,8 @@ class client {
                                                         host)),
             m_stream(io_context, m_ctx) {
          boost::asio::async_connect(m_stream.lowest_layer(),
-                                    std::move(endpoint_iterator),
+                                    endpoints.begin(),
+                                    endpoints.end(),
                                     boost::bind(&client::handle_connect, this, ap::error));
       }
 
@@ -111,8 +112,7 @@ int main(int argc, char* argv[]) {
       boost::asio::io_context io_context;
 
       boost::asio::ip::tcp::resolver resolver(io_context);
-      boost::asio::ip::tcp::resolver::query query(host, port);
-      boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query);
+      boost::asio::ip::tcp::resolver::results_type endpoints = resolver.resolve(host, port);
 
       http::request<http::string_body> req;
       req.version(11);
@@ -121,7 +121,7 @@ int main(int argc, char* argv[]) {
       req.set(http::field::host, host);
       req.set(http::field::user_agent, Botan::version_string());
 
-      client c(io_context, iterator, host, req);
+      client c(io_context, endpoints, host, req);
 
       io_context.run();
    } catch(std::exception& e) {
--- a/src/lib/utils/socket/socket.cpp
+++ b/src/lib/utils/socket/socket.cpp
@@ -50,13 +50,12 @@ class Asio_Socket final : public OS::Socket {
          check_timeout();
 
          boost::asio::ip::tcp::resolver resolver(m_io);
-         boost::asio::ip::tcp::resolver::results_type dns_iter = resolver.resolve(std::string{hostname}, std::string{service});
+         boost::asio::ip::tcp::resolver::results_type dns_iter =
+            resolver.resolve(std::string{hostname}, std::string{service});
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
-         auto connect_cb = [&ec](const boost::system::error_code& e, boost::asio::ip::tcp::resolver::results_type::iterator) {
-            ec = e;
-         };
+         auto connect_cb = [&ec](const boost::system::error_code& e, const auto&) { ec = e; };
 
          boost::asio::async_connect(m_tcp, dns_iter.begin(), dns_iter.end(), connect_cb);
 
--- a/src/lib/utils/socket/socket_udp.cpp
+++ b/src/lib/utils/socket/socket_udp.cpp
@@ -50,13 +50,13 @@ class Asio_SocketUDP final : public OS::SocketUDP {
          check_timeout();
 
          boost::asio::ip::udp::resolver resolver(m_io);
-         boost::asio::ip::udp::resolver::results_type dns_iter = resolver.resolve(std::string{hostname}, std::string{service});
+         boost::asio::ip::udp::resolver::results_type dns_iter =
+            resolver.resolve(std::string{hostname}, std::string{service});
 
          boost::system::error_code ec = boost::asio::error::would_block;
 
-         auto connect_cb = [&ec](const boost::system::error_code& e, boost::asio::ip::udp::resolver::results_type::iterator) {
-            ec = e;
-         };
+         auto connect_cb = [&ec](const boost::system::error_code& e,
+                                 const boost::asio::ip::udp::resolver::results_type::iterator&) { ec = e; };
 
          boost::asio::async_connect(m_udp, dns_iter.begin(), dns_iter.end(), connect_cb);