From f536612dc1b5923efd794815baecf3808d07dfae Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Mon, 16 Nov 2020 17:36:22 +0100 Subject: linux-user,netlink: fix message translation with ip command With iproute2-5.8.0, the route, link and addr show commands fail: root@sid:~# ip addr show RTNETLINK answers: Unknown error 352321537 Dump terminated root@sid:~# ip link show RTNETLINK answers: Unknown error 352321537 Dump terminated root@sid:~# ip route show RTNETLINK answers: Unknown error 352321537 Dump terminated This patch correctly decodes the GETROUTE and GETLINK commands and adds the RTA_TABLE message. Signed-off-by: Laurent Vivier Message-Id: <20201116163622.791442-1-laurent@vivier.eu> --- linux-user/fd-trans.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'linux-user') diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c index 1486c81aaa..7551c88330 100644 --- a/linux-user/fd-trans.c +++ b/linux-user/fd-trans.c @@ -1160,6 +1160,7 @@ static abi_long target_to_host_data_route_rtattr(struct rtattr *rtattr) break; /* u32 */ case QEMU_RTA_PRIORITY: + case QEMU_RTA_TABLE: case QEMU_RTA_OIF: u32 = RTA_DATA(rtattr); *u32 = tswap32(*u32); @@ -1200,11 +1201,10 @@ static abi_long target_to_host_data_route(struct nlmsghdr *nlh) struct rtmsg *rtm; switch (nlh->nlmsg_type) { - case RTM_GETLINK: - break; case RTM_NEWLINK: case RTM_DELLINK: case RTM_SETLINK: + case RTM_GETLINK: if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) { ifi = NLMSG_DATA(nlh); ifi->ifi_type = tswap16(ifi->ifi_type); @@ -1225,10 +1225,9 @@ static abi_long target_to_host_data_route(struct nlmsghdr *nlh) NLMSG_LENGTH(sizeof(*ifa))); } break; - case RTM_GETROUTE: - break; case RTM_NEWROUTE: case RTM_DELROUTE: + case RTM_GETROUTE: if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*rtm))) { rtm = NLMSG_DATA(nlh); rtm->rtm_flags = tswap32(rtm->rtm_flags); -- cgit v1.2.3