slirp: Add sockaddr_equal, make solookup family-agnostic
This patch makes solookup() compatible with varying address
families, by using a new sockaddr_equal() function that compares
two sockaddr_storage.
This prepares for IPv6 support.
Signed-off-by: Guillaume Subiron <maethor@subiron.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
diff --git a/slirp/udp.c b/slirp/udp.c
index 126ef82..63776c0 100644
--- a/slirp/udp.c
+++ b/slirp/udp.c
@@ -70,6 +70,8 @@
int len;
struct ip save_ip;
struct socket *so;
+ struct sockaddr_storage lhost;
+ struct sockaddr_in *lhost4;
DEBUG_CALL("udp_input");
DEBUG_ARG("m = %p", m);
@@ -151,8 +153,12 @@
/*
* Locate pcb for datagram.
*/
- so = solookup(&slirp->udp_last_so, &slirp->udb,
- ip->ip_src, uh->uh_sport, (struct in_addr) {0}, 0);
+ lhost.ss_family = AF_INET;
+ lhost4 = (struct sockaddr_in *) &lhost;
+ lhost4->sin_addr = ip->ip_src;
+ lhost4->sin_port = uh->uh_sport;
+
+ so = solookup(&slirp->udp_last_so, &slirp->udb, &lhost, NULL);
if (so == NULL) {
/*
