diff options
Diffstat (limited to 'net/sunrpc/auth_gss/auth_gss.c')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 976c7812bbd5..3dfd769dc5b5 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1298,6 +1298,12 @@ gss_destroy_cred(struct rpc_cred *cred) gss_destroy_nullcred(cred); } +static int +gss_hash_cred(struct auth_cred *acred, unsigned int hashbits) +{ + return hash_64(from_kuid(&init_user_ns, acred->uid), hashbits); +} + /* * Lookup RPCSEC_GSS cred for the current process */ @@ -1610,7 +1616,7 @@ gss_validate(struct rpc_task *task, __be32 *p) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; struct gss_cl_ctx *ctx = gss_cred_get_ctx(cred); - __be32 seq; + __be32 *seq = NULL; struct kvec iov; struct xdr_buf verf_buf; struct xdr_netobj mic; @@ -1625,9 +1631,12 @@ gss_validate(struct rpc_task *task, __be32 *p) goto out_bad; if (flav != RPC_AUTH_GSS) goto out_bad; - seq = htonl(task->tk_rqstp->rq_seqno); - iov.iov_base = &seq; - iov.iov_len = sizeof(seq); + seq = kmalloc(4, GFP_NOFS); + if (!seq) + goto out_bad; + *seq = htonl(task->tk_rqstp->rq_seqno); + iov.iov_base = seq; + iov.iov_len = 4; xdr_buf_from_iov(&iov, &verf_buf); mic.data = (u8 *)p; mic.len = len; @@ -1647,11 +1656,13 @@ gss_validate(struct rpc_task *task, __be32 *p) gss_put_ctx(ctx); dprintk("RPC: %5u %s: gss_verify_mic succeeded.\n", task->tk_pid, __func__); + kfree(seq); return p + XDR_QUADLEN(len); out_bad: gss_put_ctx(ctx); dprintk("RPC: %5u %s failed ret %ld.\n", task->tk_pid, __func__, PTR_ERR(ret)); + kfree(seq); return ret; } @@ -1982,6 +1993,7 @@ static const struct rpc_authops authgss_ops = { .au_name = "RPCSEC_GSS", .create = gss_create, .destroy = gss_destroy, + .hash_cred = gss_hash_cred, .lookup_cred = gss_lookup_cred, .crcreate = gss_create_cred, .list_pseudoflavors = gss_mech_list_pseudoflavors, |
