auth_gss: fetch the acceptor name out of the downcall

If rpc.gssd sends us an acceptor name string trailing the context token,
stash it as part of the context.

Signed-off-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Jeff Layton 2014-06-21 20:52:15 -04:00 committed by Trond Myklebust
parent f1cdae87fc
commit 2004c726b9
2 changed files with 18 additions and 3 deletions

View File

@ -71,6 +71,7 @@ struct gss_cl_ctx {
spinlock_t gc_seq_lock;
struct gss_ctx __rcu *gc_gss_ctx;
struct xdr_netobj gc_wire_ctx;
struct xdr_netobj gc_acceptor;
u32 gc_win;
unsigned long gc_expiry;
struct rcu_head gc_rcu;

View File

@ -262,9 +262,22 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
p = ERR_PTR(ret);
goto err;
}
dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u\n",
__func__, ctx->gc_expiry, now, timeout);
return q;
/* is there any trailing data? */
if (q == end) {
p = q;
goto done;
}
/* pull in acceptor name (if there is one) */
p = simple_get_netobj(q, end, &ctx->gc_acceptor);
if (IS_ERR(p))
goto err;
done:
dprintk("RPC: %s Success. gc_expiry %lu now %lu timeout %u acceptor %.*s\n",
__func__, ctx->gc_expiry, now, timeout, ctx->gc_acceptor.len,
ctx->gc_acceptor.data);
return p;
err:
dprintk("RPC: %s returns error %ld\n", __func__, -PTR_ERR(p));
return p;
@ -1225,6 +1238,7 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx)
gss_delete_sec_context(&ctx->gc_gss_ctx);
kfree(ctx->gc_wire_ctx.data);
kfree(ctx->gc_acceptor.data);
kfree(ctx);
}