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RPC: populate local address for rendezvous transporter.

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When accepting a connection on underlying tcp socket rpc vc
transporter fails to populate local address.  This change rectifies
this problem by modifying rendezvous_request() to fill out the xptr
structure member with appropriate information.

Submitted by:	Alex Burlyga <alex.burlyga.ietf@gmail.com>
MFC after:	2 weeks
Differential Revision: https://reviews.freebsd.org/D4206
This commit is contained in:
Stanislav Sedov 2015-12-10 05:17:04 +00:00
parent b87170f210
commit 5eff94ee56
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=292047
1 changed files with 16 additions and 2 deletions
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18
lib/libc/rpc/svc_vc.c
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@ -281,8 +281,8 @@ rendezvous_request(SVCXPRT *xprt, struct rpc_msg *msg)
int sock, flags;
struct cf_rendezvous *r;
struct cf_conn *cd;
struct sockaddr_storage addr;
socklen_t len;
struct sockaddr_storage addr, sslocal;
socklen_t len, slen;
struct __rpc_sockinfo si;
SVCXPRT *newxprt;
fd_set cleanfds;
@ -347,6 +347,20 @@ rendezvous_request(SVCXPRT *xprt, struct rpc_msg *msg)
__xdrrec_setnonblock(&cd->xdrs, cd->maxrec);
} else
cd->nonblock = FALSE;
slen = sizeof(struct sockaddr_storage);
if(_getsockname(sock, (struct sockaddr *)(void *)&sslocal, &slen) < 0) {
warnx("svc_vc_create: could not retrieve local addr");
newxprt->xp_ltaddr.maxlen = newxprt->xp_ltaddr.len = 0;
} else {
newxprt->xp_ltaddr.maxlen = newxprt->xp_ltaddr.len = sslocal.ss_len;
newxprt->xp_ltaddr.buf = mem_alloc((size_t)sslocal.ss_len);
if (newxprt->xp_ltaddr.buf == NULL) {
warnx("svc_vc_create: no mem for local addr");
newxprt->xp_ltaddr.maxlen = newxprt->xp_ltaddr.len = 0;
} else {
memcpy(newxprt->xp_ltaddr.buf, &sslocal, (size_t)sslocal.ss_len);
}
}
gettimeofday(&cd->last_recv_time, NULL);