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authorJeff Layton <jlayton@redhat.com>2009-08-14 12:57:59 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-08-21 11:27:44 -0400
commitfbf4665f41b02e757ab9d9198df65e319388e728 (patch)
treeec0b8b4f3809ee38088504bf51440ee12f501085 /fs/nfsd
parent7077ecbabd626cce1fcf5cc9766c83ec04d919f9 (diff)
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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 <jlayton@redhat.com> Acked-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9ec0ca1..d2a0524 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;