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slirp: fix guest network access with darwin host

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On Darwin, connect, sendto and friends want the exact size of the sockaddr,
not more (and in particular, not sizeof(struct sockaddr_storaget))

This commit adds the sockaddr_size helper to be used when passing a sockaddr
size to such function, and makes use of it int sendto and connect calls.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: John Arbuckle <programmingkidx@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Samuel Thibault 2016-04-28 18:53:08 +02:00 • committed by Peter Maydell
parent 8c4bf97580
commit 0d48dfedc5
4 changed files with 15 additions and 3 deletions
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12
slirp/socket.h
View file

@ -122,6 +122,18 @@ static inline int sockaddr_equal(struct sockaddr_storage *a,
return 0;
}
static inline socklen_t sockaddr_size(struct sockaddr_storage *a)
{
switch (a->ss_family) {
case AF_INET:
return sizeof(struct sockaddr_in);
case AF_INET6:
return sizeof(struct sockaddr_in6);
default:
g_assert_not_reached();
}
}
struct socket *solookup(struct socket **, struct socket *,
struct sockaddr_storage *, struct sockaddr_storage *);
struct socket *socreate(Slirp *);