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Make unix (local) sockets work without IPv6 enabled

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The xsocket_type() function had an optional "family" argument
that was enabled only if IPv6 is enabled. In the case of the
function was called with a valid AF_UNIX argument, and IPv6 is
disabled, this argument was silently ignored.

This patch makes the "family" argument mandatory, while keeping
the old behavior i.e., if AF_UNSPEC is passed, we try first IPv6
(if it's enabled) and fallback to IPv4.

Also I changed all callers of xsocket_type() to reflect its new
interface.

Signed-off-by: Jonh Wendell <jonh.wendell@vexcorp.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Jonh Wendell
2012-02-09 15:14:33 +01:00
committed by Denys Vlasenko
parent 638dbc34b3
commit 9106107a50
2 changed files with 9 additions and 12 deletions
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5
include/libbb.h
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@@ -568,12 +568,7 @@ enum {
* and if kernel doesn't support it, fall back to IPv4.
* This is useful if you plan to bind to resulting local lsa.
*/
#if ENABLE_FEATURE_IPV6
int xsocket_type(len_and_sockaddr **lsap, int af, int sock_type) FAST_FUNC;
#else
int xsocket_type(len_and_sockaddr **lsap, int sock_type) FAST_FUNC;
#define xsocket_type(lsap, af, sock_type) xsocket_type((lsap), (sock_type))
#endif
int xsocket_stream(len_and_sockaddr **lsap) FAST_FUNC;
/* Create server socket bound to bindaddr:port. bindaddr can be NULL,
* numeric IP ("N.N.N.N") or numeric IPv6 address,