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File _service:tar_scm:backport-0017-Send-unicast-request-release-via-correct-interface.patch of Package dhcp
Reference: https://src.fedoraproject.org/rpms/dhcp/blob/rawhide/f/0017-Send-unicast-request-release-via-correct-interface.patch From d45463c2007a78623f2c90c250bb8e2f3e34a852 Mon Sep 17 00:00:00 2001 From: Pavel Zhukov <pzhukov@redhat.com> Date: Thu, 21 Feb 2019 10:39:36 +0100 Subject: [PATCH 17/28] Send unicast request/release via correct interface (#800561, #1177351) (Submitted to dhcp-bugs@isc.org - [ISC-Bugs #30544]) --- client/dhclient.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/client/dhclient.c b/client/dhclient.c index 444d251..d607975 100644 --- a/client/dhclient.c +++ b/client/dhclient.c @@ -3417,6 +3417,14 @@ void send_request (cpp) #endif if (destination.sin_addr.s_addr != INADDR_BROADCAST && fallback_interface) { +#if defined(SO_BINDTODEVICE) + if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET, + SO_BINDTODEVICE, client->interface->name, + strlen(client->interface->name)) < 0) { + log_error("%s:%d: Failed to bind fallback interface" + " to %s: %m", MDL, client->interface->name); + } +#endif result = send_packet(fallback_interface, NULL, &client->packet, client->packet_length, from, &destination, NULL); @@ -3426,6 +3434,13 @@ void send_request (cpp) client->packet_length, fallback_interface->name); } +#if defined(SO_BINDTODEVICE) + if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET, + SO_BINDTODEVICE, NULL, 0) < 0) { + log_fatal("%s:%d: Failed to unbind fallback interface:" + " %m", MDL); + } +#endif } else { /* Send out a packet. */ @@ -3543,6 +3558,14 @@ void send_release (cpp) } else #endif if (fallback_interface) { +#if defined(SO_BINDTODEVICE) + if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET, + SO_BINDTODEVICE, client->interface->name, + strlen(client->interface->name)) < 0) { + log_error("%s:%d: Failed to bind fallback interface" + " to %s: %m", MDL, client->interface->name); + } +#endif result = send_packet(fallback_interface, NULL, &client->packet, client->packet_length, from, &destination, NULL); @@ -3552,6 +3575,13 @@ void send_release (cpp) client->packet_length, fallback_interface->name); } +#if defined(SO_BINDTODEVICE) + if (setsockopt(fallback_interface -> wfdesc, SOL_SOCKET, + SO_BINDTODEVICE, NULL, 0) < 0) { + log_fatal("%s:%d: Failed to unbind fallback interface:" + " %m", MDL); + } +#endif } else { /* Send out a packet. */ result = send_packet(client->interface, NULL, &client->packet, -- 2.35.1
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