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rpc: getaddrinfo: also accept IPv4-mapped IPv6 addresses

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If only IPv6 is configured on the host, getaddrinfo with AI_ADDRCONFIG
in hints would return EAI_ADDRFAMILY for nodenames that resolve to IPv4.

Also pass AI_V4MAPPED to accept IPv4-mapped addresses on IPv6-only
systems.

Signed-off-by: Zhimin Feng <fengzhimin1@huawei.com>
[rewrote the commit message - jtomko]
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Zhimin Feng 2020-03-02 16:26:51 +08:00 committed by Ján Tomko
parent 02b6005063
commit 9e85e118ca
1 changed files with 1 additions and 1 deletions
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2
src/rpc/virnetsocket.c
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@ -575,7 +575,7 @@ int virNetSocketNewConnectTCP(const char *nodename,
memset(&hints, 0, sizeof(hints));
hints.ai_family = family;
hints.ai_flags = AI_PASSIVE | AI_ADDRCONFIG;
hints.ai_flags = AI_PASSIVE | AI_ADDRCONFIG | AI_V4MAPPED;
hints.ai_socktype = SOCK_STREAM;
int e = getaddrinfo(nodename, service, &hints, &ai);