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netlink, test: Ignore deprecated addresses

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When we retrieve or copy host addresses we can include deprecated
addresses, which is not what we want.  Adjust our logic to exclude them.
Similarly our tests can retrieve deprecated addresses, so exclude them
there too.

I hit this in practice because my router sometimes temporarily advertises
an fd00:: prefix before the real delegated IPv6 prefix.  The deprecated
address can hang around for some time messing up my tests.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2024-05-22 17:22:32 +10:00 committed by Stefano Brivio
parent cc801fb38f
commit 3f917b326b
6 changed files with 8 additions and 7 deletions
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5
netlink.c
View File

@ -696,7 +696,7 @@ int nl_addr_get(int s, unsigned int ifi, sa_family_t af,
struct rtattr *rta;
size_t na;
if (ifa->ifa_index != ifi)
if (ifa->ifa_index != ifi || ifa->ifa_flags & IFA_F_DEPRECATED)
continue;
for (rta = IFA_RTA(ifa), na = IFA_PAYLOAD(nh); RTA_OK(rta, na);
@ -833,7 +833,8 @@ int nl_addr_dup(int s_src, unsigned int ifi_src,
ifa = (struct ifaddrmsg *)NLMSG_DATA(nh);
if (rc < 0 || ifa->ifa_scope == RT_SCOPE_LINK ||
ifa->ifa_index != ifi_src)
ifa->ifa_index != ifi_src ||
ifa->ifa_flags & IFA_F_DEPRECATED)
continue;
ifa->ifa_index = ifi_dst;

2
test/passt/dhcp
View File

@ -50,7 +50,7 @@ check [ "__SEARCH__" = "__HOST_SEARCH__" ]
test DHCPv6: address
guest /sbin/dhclient -6 __IFNAME__
gout ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.prefixlen == 128).local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global" and .deprecated != true).local] | .[0]'
check [ "__ADDR6__" = "__HOST_ADDR6__" ]
test DHCPv6: route

2
test/passt/ndp
View File

@ -23,7 +23,7 @@ check [ -n "__IFNAME__" ]
test SLAAC: prefix
gout ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global" and .prefixlen == 64).local] | .[0]'
gout PREFIX6 sipcalc __ADDR6__/64 | grep prefix | cut -d' ' -f4
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global" and .deprecated != true).local] | .[0]'
hout HOST_PREFIX6 sipcalc __HOST_ADDR6__/64 | grep prefix | cut -d' ' -f4
check [ "__PREFIX6__" = "__HOST_PREFIX6__" ]

2
test/pasta/dhcp
View File

@ -37,7 +37,7 @@ test DHCPv6: address
ns /sbin/dhclient -6 --no-pid __IFNAME__
hout HOST_IFNAME6 ip -j -6 route show|jq -rM '[.[] | select(.dst == "default").dev] | .[0]'
nsout ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.prefixlen == 128).local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global" and .deprecated != true).local] | .[0]'
check [ __ADDR6__ = __HOST_ADDR6__ ]
test DHCPv6: route

2
test/pasta/ndp
View File

@ -23,7 +23,7 @@ sleep 2
test SLAAC: prefix
nsout ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global" and .prefixlen == 64).local] | .[0]'
nsout PREFIX6 sipcalc __ADDR6__/64 | grep prefix | cut -d' ' -f4
hout HOST_ADDR6 ip -j -6 addr show|jq -rM ['.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global").local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM ['.[] | select(.ifname == "__IFNAME__").addr_info[] | select(.scope == "global" and .deprecated != true).local] | .[0]'
hout HOST_PREFIX6 sipcalc __HOST_ADDR6__/64 | grep prefix | cut -d' ' -f4
check [ "__PREFIX6__" = "__HOST_PREFIX6__" ]

2
test/two_guests/basic
View File

@ -41,7 +41,7 @@ guest1 /sbin/dhclient -6 __IFNAME1__
guest2 /sbin/dhclient -6 __IFNAME2__
g1out ADDR1_6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME1__").addr_info[] | select(.prefixlen == 128).local] | .[0]'
g2out ADDR2_6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__IFNAME2__").addr_info[] | select(.prefixlen == 128).local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global").local] | .[0]'
hout HOST_ADDR6 ip -j -6 addr show|jq -rM '[.[] | select(.ifname == "__HOST_IFNAME6__").addr_info[] | select(.scope == "global" and .deprecated != true).local] | .[0]'
check [ "__ADDR1_6__" = "__HOST_ADDR6__" ]
check [ "__ADDR2_6__" = "__HOST_ADDR6__" ]