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[18.159.0.78]) by smtp.gmail.com with ESMTPSA id e20-20020a05600c219400b004083996dad8sm4637366wme.18.2023.11.10.02.22.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Nov 2023 02:22:01 -0800 (PST) From: "stipa (Code Review)" X-Google-Original-From: "stipa (Code Review)" X-Gerrit-PatchSet: 1 Date: Fri, 10 Nov 2023 10:22:00 +0000 To: plaisthos , flichtenheld Auto-Submitted: auto-generated X-Gerrit-MessageType: newchange X-Gerrit-Change-Id: Ie512544329a91fae15409cb18f29d8be617051a1 X-Gerrit-Change-Number: 424 X-Gerrit-Project: openvpn X-Gerrit-ChangeURL: X-Gerrit-Commit: 963de2058681e0bf243df6e502a41d9980df4596 References: Message-ID: <22dd9645e6a03528572fdad3c6abcf5501935985-HTML@gerrit.openvpn.net> MIME-Version: 1.0 User-Agent: Gerrit/3.8.2 X-Spam-Score: -0.2 (/) X-Spam-Report: Spam detection software, running on the system "util-spamd-1.v13.lw.sourceforge.com", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Attention is currently required from: flichtenheld, plaisthos. Hello plaisthos, flichtenheld, I'd like you to do a code review. Please visit Content analysis details: (-0.2 points, 6.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.128.48 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.128.48 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 WEIRD_PORT URI: Uses non-standard port number for HTTP 0.0 HTML_MESSAGE BODY: HTML included in message 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 T_SCC_BODY_TEXT_LINE No description available. 0.0 T_KAM_HTML_FONT_INVALID Test for Invalidly Named or Formatted Colors in HTML X-Headers-End: 1r1OeO-000riF-Rt Subject: [Openvpn-devel] [S] Change in openvpn[release/2.6]: Warn if pushed options require DHCP X-BeenThere: openvpn-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: lstipakov@gmail.com, arne-openvpn@rfc2549.org, openvpn-devel@lists.sourceforge.net, frank@lichtenheld.com Cc: openvpn-devel Errors-To: openvpn-devel-bounces@lists.sourceforge.net X-getmail-retrieved-from-mailbox: Inbox X-GMAIL-THRID: =?utf-8?q?1782172129514876428?= X-GMAIL-MSGID: =?utf-8?q?1782172129514876428?= X-getmail-filter-classifier: gerrit message type newchange Attention is currently required from: flichtenheld, plaisthos. Hello plaisthos, flichtenheld, I'd like you to do a code review. Please visit http://gerrit.openvpn.net/c/openvpn/+/424?usp=email to review the following change. Change subject: Warn if pushed options require DHCP ...................................................................... Warn if pushed options require DHCP Some pushed options (such as DOMAIN-SEARCH) require DHCP server to work. Warn user that some options will not work if the current driver (such as dco-win) doesn't support DHCP. While on it, indicate that "--dns search-domains" option requires DHCP. Change-Id: Ie512544329a91fae15409cb18f29d8be617051a1 Signed-off-by: Lev Stipakov --- M src/openvpn/options.c M src/openvpn/tun.c 2 files changed, 9 insertions(+), 2 deletions(-) git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/24/424/1 diff --git a/src/openvpn/options.c b/src/openvpn/options.c index e793a96..3b09d3e 100644 --- a/src/openvpn/options.c +++ b/src/openvpn/options.c @@ -2483,10 +2483,10 @@ if (options->tuntap_options.dhcp_options & DHCP_OPTIONS_DHCP_REQUIRED) { - const char *prefix = "Some dhcp-options require DHCP server"; + const char *prefix = "Some dhcp-options (or --dns) require DHCP server"; if (options->windows_driver != WINDOWS_DRIVER_TAP_WINDOWS6) { - msg(M_USAGE, "%s, which is not supported by selected %s driver", + msg(M_USAGE, "%s, which is not supported by the selected %s driver", prefix, print_windows_driver(options->windows_driver)); } else if (options->tuntap_options.ip_win32_type != IPW32_SET_DHCP_MASQ diff --git a/src/openvpn/tun.c b/src/openvpn/tun.c index f857ed1..986134c 100644 --- a/src/openvpn/tun.c +++ b/src/openvpn/tun.c @@ -6826,6 +6826,13 @@ open_tun(const char *dev, const char *dev_type, const char *dev_node, struct tuntap *tt, openvpn_net_ctx_t *ctx) { + if ((tt->options.dhcp_options & DHCP_OPTIONS_DHCP_REQUIRED) + && tt->windows_driver != WINDOWS_DRIVER_TAP_WINDOWS6) + { + msg(M_WARN, "Some dhcp-options or --dns require DHCP server, which is not supported by the selected %s driver. Expect them not to work.", + print_windows_driver(tt->windows_driver)); + } + /* dco-win already opened the device, which handle we treat as socket */ if (tuntap_is_dco_win(tt)) {