From 8a87f121ca82fbb34877ec843dfc50b327baef9d Mon Sep 17 00:00:00 2001 From: Guillaume Subiron Date: Sat, 19 Dec 2015 22:25:01 +0100 Subject: 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 Signed-off-by: Samuel Thibault Reviewed-by: Thomas Huth Signed-off-by: Jason Wang --- slirp/socket.h | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) (limited to 'slirp/socket.h') diff --git a/slirp/socket.h b/slirp/socket.h index 1c8c24c16b..c4afc9494f 100644 --- a/slirp/socket.h +++ b/slirp/socket.h @@ -87,8 +87,30 @@ struct socket { #define SS_HOSTFWD 0x1000 /* Socket describes host->guest forwarding */ #define SS_INCOMING 0x2000 /* Connection was initiated by a host on the internet */ +static inline int sockaddr_equal(struct sockaddr_storage *a, + struct sockaddr_storage *b) +{ + if (a->ss_family != b->ss_family) { + return 0; + } + + switch (a->ss_family) { + case AF_INET: + { + struct sockaddr_in *a4 = (struct sockaddr_in *) a; + struct sockaddr_in *b4 = (struct sockaddr_in *) b; + return a4->sin_addr.s_addr == b4->sin_addr.s_addr + && a4->sin_port == b4->sin_port; + } + default: + g_assert_not_reached(); + } + + return 0; +} + struct socket *solookup(struct socket **, struct socket *, - struct in_addr, u_int, struct in_addr, u_int); + struct sockaddr_storage *, struct sockaddr_storage *); struct socket *socreate(Slirp *); void sofree(struct socket *); int soread(struct socket *); -- cgit v1.2.3