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nfs4: copy acceptor name from context to nfs_client

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The current CB_COMPOUND handling code tries to compare the principal
name of the request with the cl_hostname in the client. This is not
guaranteed to ever work, particularly if the client happened to mount
a CNAME of the server or a non-fqdn.

Fix this by instead comparing the cr_principal string with the acceptor
name that we get from gssd. In the event that gssd didn't send one
down (i.e. it was too old), then we fall back to trying to use the
cl_hostname as we do today.

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 20:52:17 -04:00
committed by Trond Myklebust
parent a0337d1ddb
commit f11b2a1cfb
5 changed files with 47 additions and 1 deletions
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include/linux/nfs_xdr.h
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@@ -993,6 +993,7 @@ struct nfs4_setclientid {
unsigned int sc_uaddr_len;
char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
u32 sc_cb_ident;
struct rpc_cred *sc_cred;
};
struct nfs4_setclientid_res {