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authorTrond Myklebust <trondmy@gmail.com>2019-04-25 00:46:42 +0300
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-26 23:00:48 +0300
commit79caa5fad47c69874f9efc4ac3128cc3f6d36f6e (patch)
tree0172cd4c9d7525e2ebd712ff4bbefac61f046430 /net/sunrpc/rpcb_clnt.c
parent2cfd11f16f01c0ee8f83bb07027c9d2f43565473 (diff)
downloadlinux-79caa5fad47c69874f9efc4ac3128cc3f6d36f6e.tar.xz
SUNRPC: Cache cred of process creating the rpc_client
When converting kuids to AUTH_UNIX creds, etc we will want to use the same user namespace as the process that created the rpc client. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/rpcb_clnt.c')
-rw-r--r--net/sunrpc/rpcb_clnt.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 18b0cf2a923f..2277b7cdad27 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -240,6 +240,7 @@ static int rpcb_create_local_unix(struct net *net)
.program = &rpcb_program,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_NULL,
+ .cred = current_cred(),
/*
* We turn off the idle timeout to prevent the kernel
* from automatically disconnecting the socket.
@@ -299,6 +300,7 @@ static int rpcb_create_local_net(struct net *net)
.program = &rpcb_program,
.version = RPCBVERS_2,
.authflavor = RPC_AUTH_UNIX,
+ .cred = current_cred(),
.flags = RPC_CLNT_CREATE_NOPING,
};
struct rpc_clnt *clnt, *clnt4;
@@ -358,7 +360,8 @@ out:
static struct rpc_clnt *rpcb_create(struct net *net, const char *nodename,
const char *hostname,
struct sockaddr *srvaddr, size_t salen,
- int proto, u32 version)
+ int proto, u32 version,
+ const struct cred *cred)
{
struct rpc_create_args args = {
.net = net,
@@ -370,6 +373,7 @@ static struct rpc_clnt *rpcb_create(struct net *net, const char *nodename,
.program = &rpcb_program,
.version = version,
.authflavor = RPC_AUTH_UNIX,
+ .cred = cred,
.flags = (RPC_CLNT_CREATE_NOPING |
RPC_CLNT_CREATE_NONPRIVPORT),
};
@@ -745,7 +749,8 @@ void rpcb_getport_async(struct rpc_task *task)
rpcb_clnt = rpcb_create(xprt->xprt_net,
clnt->cl_nodename,
xprt->servername, sap, salen,
- xprt->prot, bind_version);
+ xprt->prot, bind_version,
+ clnt->cl_cred);
if (IS_ERR(rpcb_clnt)) {
status = PTR_ERR(rpcb_clnt);
dprintk("RPC: %5u %s: rpcb_create failed, error %ld\n",