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| author | Jeff Layton <jlayton@poochiereds.net> | 2014-06-21 20:52:15 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-07-12 18:41:06 -0400 |
| commit | 2004c726b9d9a9670b7f837190be9c8dfa7a0e9d (patch) | |
| tree | 5ffe683ea736dc03002687e04711455b2c4f7811 | |
| parent | f1cdae87fcf286a897738874a1398e64e7225adf (diff) | |
| download | linux-stable-2004c726b9d9a9670b7f837190be9c8dfa7a0e9d.tar.gz linux-stable-2004c726b9d9a9670b7f837190be9c8dfa7a0e9d.tar.bz2 linux-stable-2004c726b9d9a9670b7f837190be9c8dfa7a0e9d.zip | |
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>
| -rw-r--r-- | include/linux/sunrpc/auth_gss.h | 1 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 20 |
2 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h index f1cfd4c85cd0..cbc6875fb9cf 100644 --- a/include/linux/sunrpc/auth_gss.h +++ b/include/linux/sunrpc/auth_gss.h @@ -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; diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index b6e440baccc3..e34af68603bd 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -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); } |