From fbf4665f41b02e757ab9d9198df65e319388e728 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Fri, 14 Aug 2009 12:57:59 -0400 Subject: nfsd: populate sin6_scope_id on callback address with scopeid from rq_addr on SETCLIENTID call When a SETCLIENTID call comes in, one of the args given is the svc_rqst. This struct contains an rq_addr field which holds the address that sent the call. If this is an IPv6 address, then we can use the sin6_scope_id field in this address to populate the sin6_scope_id field in the callback address. AFAICT, the rq_addr.sin6_scope_id is non-zero if and only if the client mounted the server's link-local address. Signed-off-by: Jeff Layton Acked-by: Chuck Lever Signed-off-by: J. Bruce Fields --- fs/nfsd/nfs4state.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'fs/nfsd') diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 9ec0ca1ef4e..d2a05248090 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -898,7 +898,7 @@ find_unconfirmed_client_by_str(const char *dname, unsigned int hashval, } static void -gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se) +gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se, u32 scopeid) { struct nfs4_cb_conn *cb = &clp->cl_cb_conn; unsigned short expected_family; @@ -921,6 +921,9 @@ gen_callback(struct nfs4_client *clp, struct nfsd4_setclientid *se) if (!cb->cb_addrlen || cb->cb_addr.ss_family != expected_family) goto out_err; + if (cb->cb_addr.ss_family == AF_INET6) + ((struct sockaddr_in6 *) &cb->cb_addr)->sin6_scope_id = scopeid; + cb->cb_minorversion = 0; cb->cb_prog = se->se_callback_prog; cb->cb_ident = se->se_callback_ident; @@ -1621,7 +1624,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, } copy_cred(&new->cl_cred, &rqstp->rq_cred); gen_confirm(new); - gen_callback(new, setclid); + gen_callback(new, setclid, rpc_get_scope_id(sa)); add_to_unconfirmed(new, strhashval); setclid->se_clientid.cl_boot = new->cl_clientid.cl_boot; setclid->se_clientid.cl_id = new->cl_clientid.cl_id; -- cgit