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-rw-r--r--net/sunrpc/Kconfig2
-rw-r--r--net/sunrpc/auth.c6
-rw-r--r--net/sunrpc/auth_generic.c16
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c50
-rw-r--r--net/sunrpc/auth_gss/gss_mech_switch.c4
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c18
-rw-r--r--net/sunrpc/auth_unix.c36
-rw-r--r--net/sunrpc/clnt.c16
-rw-r--r--net/sunrpc/svcauth_unix.c43
-rw-r--r--net/sunrpc/xprt.c21
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c4
-rw-r--r--net/sunrpc/xprtrdma/transport.c7
-rw-r--r--net/sunrpc/xprtrdma/xprt_rdma.h6
-rw-r--r--net/sunrpc/xprtsock.c16
14 files changed, 139 insertions, 106 deletions
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index 03d03e37a7d..516fe2caac2 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -10,7 +10,7 @@ config SUNRPC_BACKCHANNEL
config SUNRPC_XPRT_RDMA
tristate
- depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS && EXPERIMENTAL
+ depends on SUNRPC && INFINIBAND && INFINIBAND_ADDR_TRANS
default SUNRPC && INFINIBAND
help
This option allows the NFS client and server to support
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index b5c067bccc4..392adc41e2e 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -412,7 +412,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
*entry, *new;
unsigned int nr;
- nr = hash_long(acred->uid, cache->hashbits);
+ nr = hash_long(from_kuid(&init_user_ns, acred->uid), cache->hashbits);
rcu_read_lock();
hlist_for_each_entry_rcu(entry, pos, &cache->hashtable[nr], cr_hash) {
@@ -519,8 +519,8 @@ rpcauth_bind_root_cred(struct rpc_task *task, int lookupflags)
{
struct rpc_auth *auth = task->tk_client->cl_auth;
struct auth_cred acred = {
- .uid = 0,
- .gid = 0,
+ .uid = GLOBAL_ROOT_UID,
+ .gid = GLOBAL_ROOT_GID,
};
dprintk("RPC: %5u looking up %s cred\n",
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 6ed6f201b02..b6badafc649 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -18,8 +18,8 @@
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
-#define RPC_MACHINE_CRED_USERID ((uid_t)0)
-#define RPC_MACHINE_CRED_GROUPID ((gid_t)0)
+#define RPC_MACHINE_CRED_USERID GLOBAL_ROOT_UID
+#define RPC_MACHINE_CRED_GROUPID GLOBAL_ROOT_GID
struct generic_cred {
struct rpc_cred gc_base;
@@ -96,7 +96,9 @@ generic_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
dprintk("RPC: allocated %s cred %p for uid %d gid %d\n",
gcred->acred.machine_cred ? "machine" : "generic",
- gcred, acred->uid, acred->gid);
+ gcred,
+ from_kuid(&init_user_ns, acred->uid),
+ from_kgid(&init_user_ns, acred->gid));
return &gcred->gc_base;
}
@@ -129,8 +131,8 @@ machine_cred_match(struct auth_cred *acred, struct generic_cred *gcred, int flag
{
if (!gcred->acred.machine_cred ||
gcred->acred.principal != acred->principal ||
- gcred->acred.uid != acred->uid ||
- gcred->acred.gid != acred->gid)
+ !uid_eq(gcred->acred.uid, acred->uid) ||
+ !gid_eq(gcred->acred.gid, acred->gid))
return 0;
return 1;
}
@@ -147,8 +149,8 @@ generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
if (acred->machine_cred)
return machine_cred_match(acred, gcred, flags);
- if (gcred->acred.uid != acred->uid ||
- gcred->acred.gid != acred->gid ||
+ if (!uid_eq(gcred->acred.uid, acred->uid) ||
+ !gid_eq(gcred->acred.gid, acred->gid) ||
gcred->acred.machine_cred != 0)
goto out_nomatch;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 6e5c824b040..6ea29f4ed6c 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -247,8 +247,7 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
__func__, ctx->gc_expiry, now, timeout);
return q;
err:
- dprintk("RPC: %s returns %ld gc_expiry %lu now %lu timeout %u\n",
- __func__, -PTR_ERR(p), ctx->gc_expiry, now, timeout);
+ dprintk("RPC: %s returns error %ld\n", __func__, -PTR_ERR(p));
return p;
}
@@ -256,7 +255,7 @@ err:
struct gss_upcall_msg {
atomic_t count;
- uid_t uid;
+ kuid_t uid;
struct rpc_pipe_msg msg;
struct list_head list;
struct gss_auth *auth;
@@ -303,11 +302,11 @@ gss_release_msg(struct gss_upcall_msg *gss_msg)
}
static struct gss_upcall_msg *
-__gss_find_upcall(struct rpc_pipe *pipe, uid_t uid)
+__gss_find_upcall(struct rpc_pipe *pipe, kuid_t uid)
{
struct gss_upcall_msg *pos;
list_for_each_entry(pos, &pipe->in_downcall, list) {
- if (pos->uid != uid)
+ if (!uid_eq(pos->uid, uid))
continue;
atomic_inc(&pos->count);
dprintk("RPC: %s found msg %p\n", __func__, pos);
@@ -395,8 +394,11 @@ gss_upcall_callback(struct rpc_task *task)
static void gss_encode_v0_msg(struct gss_upcall_msg *gss_msg)
{
- gss_msg->msg.data = &gss_msg->uid;
- gss_msg->msg.len = sizeof(gss_msg->uid);
+ uid_t uid = from_kuid(&init_user_ns, gss_msg->uid);
+ memcpy(gss_msg->databuf, &uid, sizeof(uid));
+ gss_msg->msg.data = gss_msg->databuf;
+ gss_msg->msg.len = sizeof(uid);
+ BUG_ON(sizeof(uid) > UPCALL_BUF_LEN);
}
static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg,
@@ -409,7 +411,7 @@ static void gss_encode_v1_msg(struct gss_upcall_msg *gss_msg,
gss_msg->msg.len = sprintf(gss_msg->databuf, "mech=%s uid=%d ",
mech->gm_name,
- gss_msg->uid);
+ from_kuid(&init_user_ns, gss_msg->uid));
p += gss_msg->msg.len;
if (clnt->cl_principal) {
len = sprintf(p, "target=%s ", clnt->cl_principal);
@@ -445,7 +447,7 @@ static void gss_encode_msg(struct gss_upcall_msg *gss_msg,
static struct gss_upcall_msg *
gss_alloc_msg(struct gss_auth *gss_auth, struct rpc_clnt *clnt,
- uid_t uid, const char *service_name)
+ kuid_t uid, const char *service_name)
{
struct gss_upcall_msg *gss_msg;
int vers;
@@ -475,7 +477,7 @@ gss_setup_upcall(struct rpc_clnt *clnt, struct gss_auth *gss_auth, struct rpc_cr
struct gss_cred *gss_cred = container_of(cred,
struct gss_cred, gc_base);
struct gss_upcall_msg *gss_new, *gss_msg;
- uid_t uid = cred->cr_uid;
+ kuid_t uid = cred->cr_uid;
gss_new = gss_alloc_msg(gss_auth, clnt, uid, gss_cred->gc_principal);
if (IS_ERR(gss_new))
@@ -517,7 +519,7 @@ gss_refresh_upcall(struct rpc_task *task)
int err = 0;
dprintk("RPC: %5u %s for uid %u\n",
- task->tk_pid, __func__, cred->cr_uid);
+ task->tk_pid, __func__, from_kuid(&init_user_ns, cred->cr_uid));
gss_msg = gss_setup_upcall(task->tk_client, gss_auth, cred);
if (PTR_ERR(gss_msg) == -EAGAIN) {
/* XXX: warning on the first, under the assumption we
@@ -549,7 +551,8 @@ gss_refresh_upcall(struct rpc_task *task)
gss_release_msg(gss_msg);
out:
dprintk("RPC: %5u %s for uid %u result %d\n",
- task->tk_pid, __func__, cred->cr_uid, err);
+ task->tk_pid, __func__,
+ from_kuid(&init_user_ns, cred->cr_uid), err);
return err;
}
@@ -562,7 +565,8 @@ gss_create_upcall(struct gss_auth *gss_auth, struct gss_cred *gss_cred)
DEFINE_WAIT(wait);
int err = 0;
- dprintk("RPC: %s for uid %u\n", __func__, cred->cr_uid);
+ dprintk("RPC: %s for uid %u\n",
+ __func__, from_kuid(&init_user_ns, cred->cr_uid));
retry:
gss_msg = gss_setup_upcall(gss_auth->client, gss_auth, cred);
if (PTR_ERR(gss_msg) == -EAGAIN) {
@@ -604,7 +608,7 @@ out_intr:
gss_release_msg(gss_msg);
out:
dprintk("RPC: %s for uid %u result %d\n",
- __func__, cred->cr_uid, err);
+ __func__, from_kuid(&init_user_ns, cred->cr_uid), err);
return err;
}
@@ -618,7 +622,8 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
struct gss_upcall_msg *gss_msg;
struct rpc_pipe *pipe = RPC_I(filp->f_dentry->d_inode)->pipe;
struct gss_cl_ctx *ctx;
- uid_t uid;
+ uid_t id;
+ kuid_t uid;
ssize_t err = -EFBIG;
if (mlen > MSG_BUF_MAXSIZE)
@@ -633,12 +638,18 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
goto err;
end = (const void *)((char *)buf + mlen);
- p = simple_get_bytes(buf, end, &uid, sizeof(uid));
+ p = simple_get_bytes(buf, end, &id, sizeof(id));
if (IS_ERR(p)) {
err = PTR_ERR(p);
goto err;
}
+ uid = make_kuid(&init_user_ns, id);
+ if (!uid_valid(uid)) {
+ err = -EINVAL;
+ goto err;
+ }
+
err = -ENOMEM;
ctx = gss_alloc_context();
if (ctx == NULL)
@@ -1059,7 +1070,8 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
int err = -ENOMEM;
dprintk("RPC: %s for uid %d, flavor %d\n",
- __func__, acred->uid, auth->au_flavor);
+ __func__, from_kuid(&init_user_ns, acred->uid),
+ auth->au_flavor);
if (!(cred = kzalloc(sizeof(*cred), GFP_NOFS)))
goto out_err;
@@ -1115,7 +1127,7 @@ out:
}
if (gss_cred->gc_principal != NULL)
return 0;
- return rc->cr_uid == acred->uid;
+ return uid_eq(rc->cr_uid, acred->uid);
}
/*
@@ -1154,7 +1166,7 @@ gss_marshal(struct rpc_task *task, __be32 *p)
/* We compute the checksum for the verifier over the xdr-encoded bytes
* starting with the xid and ending at the end of the credential: */
- iov.iov_base = xprt_skip_transport_header(task->tk_xprt,
+ iov.iov_base = xprt_skip_transport_header(req->rq_xprt,
req->rq_snd_buf.head[0].iov_base);
iov.iov_len = (u8 *)p - (u8 *)iov.iov_base;
xdr_buf_from_iov(&iov, &verf_buf);
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index b174fcd9ff4..f0f4eee63a3 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -140,7 +140,7 @@ gss_mech_get(struct gss_api_mech *gm)
EXPORT_SYMBOL_GPL(gss_mech_get);
-struct gss_api_mech *
+static struct gss_api_mech *
_gss_mech_get_by_name(const char *name)
{
struct gss_api_mech *pos, *gm = NULL;
@@ -205,7 +205,7 @@ mech_supports_pseudoflavor(struct gss_api_mech *gm, u32 pseudoflavor)
return 0;
}
-struct gss_api_mech *_gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
+static struct gss_api_mech *_gss_mech_get_by_pseudoflavor(u32 pseudoflavor)
{
struct gss_api_mech *gm = NULL, *pos;
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 73e95738660..ecd1d58bf61 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -418,6 +418,7 @@ static int rsc_parse(struct cache_detail *cd,
{
/* contexthandle expiry [ uid gid N <n gids> mechname ...mechdata... ] */
char *buf = mesg;
+ int id;
int len, rv;
struct rsc rsci, *rscp = NULL;
time_t expiry;
@@ -444,7 +445,7 @@ static int rsc_parse(struct cache_detail *cd,
goto out;
/* uid, or NEGATIVE */
- rv = get_int(&mesg, &rsci.cred.cr_uid);
+ rv = get_int(&mesg, &id);
if (rv == -EINVAL)
goto out;
if (rv == -ENOENT)
@@ -452,8 +453,16 @@ static int rsc_parse(struct cache_detail *cd,
else {
int N, i;
+ /* uid */
+ rsci.cred.cr_uid = make_kuid(&init_user_ns, id);
+ if (!uid_valid(rsci.cred.cr_uid))
+ goto out;
+
/* gid */
- if (get_int(&mesg, &rsci.cred.cr_gid))
+ if (get_int(&mesg, &id))
+ goto out;
+ rsci.cred.cr_gid = make_kgid(&init_user_ns, id);
+ if (!gid_valid(rsci.cred.cr_gid))
goto out;
/* number of additional gid's */
@@ -467,11 +476,10 @@ static int rsc_parse(struct cache_detail *cd,
/* gid's */
status = -EINVAL;
for (i=0; i<N; i++) {
- gid_t gid;
kgid_t kgid;
- if (get_int(&mesg, &gid))
+ if (get_int(&mesg, &id))
goto out;
- kgid = make_kgid(&init_user_ns, gid);
+ kgid = make_kgid(&init_user_ns, id);
if (!gid_valid(kgid))
goto out;
GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 52c5abdee21..dc37021fc3e 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -18,8 +18,8 @@
struct unx_cred {
struct rpc_cred uc_base;
- gid_t uc_gid;
- gid_t uc_gids[NFS_NGROUPS];
+ kgid_t uc_gid;
+ kgid_t uc_gids[NFS_NGROUPS];
};
#define uc_uid uc_base.cr_uid
@@ -65,7 +65,8 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
unsigned int i;
dprintk("RPC: allocating UNIX cred for uid %d gid %d\n",
- acred->uid, acred->gid);
+ from_kuid(&init_user_ns, acred->uid),
+ from_kgid(&init_user_ns, acred->gid));
if (!(cred = kmalloc(sizeof(*cred), GFP_NOFS)))
return ERR_PTR(-ENOMEM);
@@ -79,13 +80,10 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
groups = NFS_NGROUPS;
cred->uc_gid = acred->gid;
- for (i = 0; i < groups; i++) {
- gid_t gid;
- gid = from_kgid(&init_user_ns, GROUP_AT(acred->group_info, i));
- cred->uc_gids[i] = gid;
- }
+ for (i = 0; i < groups; i++)
+ cred->uc_gids[i] = GROUP_AT(acred->group_info, i);
if (i < NFS_NGROUPS)
- cred->uc_gids[i] = NOGROUP;
+ cred->uc_gids[i] = INVALID_GID;
return &cred->uc_base;
}
@@ -123,21 +121,17 @@ unx_match(struct auth_cred *acred, struct rpc_cred *rcred, int flags)
unsigned int i;
- if (cred->uc_uid != acred->uid || cred->uc_gid != acred->gid)
+ if (!uid_eq(cred->uc_uid, acred->uid) || !gid_eq(cred->uc_gid, acred->gid))
return 0;
if (acred->group_info != NULL)
groups = acred->group_info->ngroups;
if (groups > NFS_NGROUPS)
groups = NFS_NGROUPS;
- for (i = 0; i < groups ; i++) {
- gid_t gid;
- gid = from_kgid(&init_user_ns, GROUP_AT(acred->group_info, i));
- if (cred->uc_gids[i] != gid)
+ for (i = 0; i < groups ; i++)
+ if (!gid_eq(cred->uc_gids[i], GROUP_AT(acred->group_info, i)))
return 0;
- }
- if (groups < NFS_NGROUPS &&
- cred->uc_gids[groups] != NOGROUP)
+ if (groups < NFS_NGROUPS && gid_valid(cred->uc_gids[groups]))
return 0;
return 1;
}
@@ -163,11 +157,11 @@ unx_marshal(struct rpc_task *task, __be32 *p)
*/
p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen);
- *p++ = htonl((u32) cred->uc_uid);
- *p++ = htonl((u32) cred->uc_gid);
+ *p++ = htonl((u32) from_kuid(&init_user_ns, cred->uc_uid));
+ *p++ = htonl((u32) from_kgid(&init_user_ns, cred->uc_gid));
hold = p++;
- for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
- *p++ = htonl((u32) cred->uc_gids[i]);
+ for (i = 0; i < 16 && gid_valid(cred->uc_gids[i]); i++)
+ *p++ = htonl((u32) from_kgid(&init_user_ns, cred->uc_gids[i]));
*hold = htonl(p - hold - 1); /* gid array length */
*base = htonl((p - base - 1) << 2); /* cred length */
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 507b5e84fbd..a9f7906c1a6 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1400,7 +1400,7 @@ call_allocate(struct rpc_task *task)
{
unsigned int slack = task->tk_rqstp->rq_cred->cr_auth->au_cslack;
struct rpc_rqst *req = task->tk_rqstp;
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = req->rq_xprt;
struct rpc_procinfo *proc = task->tk_msg.rpc_proc;
dprint_status(task);
@@ -1508,7 +1508,7 @@ rpc_xdr_encode(struct rpc_task *task)
static void
call_bind(struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
dprint_status(task);
@@ -1602,7 +1602,7 @@ retry_timeout:
static void
call_connect(struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
dprintk("RPC: %5u call_connect xprt %p %s connected\n",
task->tk_pid, xprt,
@@ -1685,7 +1685,7 @@ call_transmit(struct rpc_task *task)
if (rpc_reply_expected(task))
return;
task->tk_action = rpc_exit_task;
- rpc_wake_up_queued_task(&task->tk_xprt->pending, task);
+ rpc_wake_up_queued_task(&task->tk_rqstp->rq_xprt->pending, task);
}
/*
@@ -1784,7 +1784,7 @@ call_bc_transmit(struct rpc_task *task)
*/
printk(KERN_NOTICE "RPC: Could not send backchannel reply "
"error: %d\n", task->tk_status);
- xprt_conditional_disconnect(task->tk_xprt,
+ xprt_conditional_disconnect(req->rq_xprt,
req->rq_connect_cookie);
break;
default:
@@ -1836,7 +1836,7 @@ call_status(struct rpc_task *task)
case -ETIMEDOUT:
task->tk_action = call_timeout;
if (task->tk_client->cl_discrtry)
- xprt_conditional_disconnect(task->tk_xprt,
+ xprt_conditional_disconnect(req->rq_xprt,
req->rq_connect_cookie);
break;
case -ECONNRESET:
@@ -1991,7 +1991,7 @@ out_retry:
if (task->tk_rqstp == req) {
req->rq_reply_bytes_recvd = req->rq_rcv_buf.len = 0;
if (task->tk_client->cl_discrtry)
- xprt_conditional_disconnect(task->tk_xprt,
+ xprt_conditional_disconnect(req->rq_xprt,
req->rq_connect_cookie);
}
}
@@ -2005,7 +2005,7 @@ rpc_encode_header(struct rpc_task *task)
/* FIXME: check buffer size? */
- p = xprt_skip_transport_header(task->tk_xprt, p);
+ p = xprt_skip_transport_header(req->rq_xprt, p);
*p++ = req->rq_xid; /* XID */
*p++ = htonl(RPC_CALL); /* CALL */
*p++ = htonl(RPC_VERSION); /* RPC version */
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 4d012920373..a1852e19ed0 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -415,10 +415,15 @@ svcauth_unix_info_release(struct svc_xprt *xpt)
struct unix_gid {
struct cache_head h;
- uid_t uid;
+ kuid_t uid;
struct group_info *gi;
};
+static int unix_gid_hash(kuid_t uid)
+{
+ return hash_long(from_kuid(&init_user_ns, uid), GID_HASHBITS);
+}
+
static void unix_gid_put(struct kref *kref)
{
struct cache_head *item = container_of(kref, struct cache_head, ref);
@@ -433,7 +438,7 @@ static int unix_gid_match(struct cache_head *corig, struct cache_head *cnew)
{
struct unix_gid *orig = container_of(corig, struct unix_gid, h);
struct unix_gid *new = container_of(cnew, struct unix_gid, h);
- return orig->uid == new->uid;
+ return uid_eq(orig->uid, new->uid);
}
static void unix_gid_init(struct cache_head *cnew, struct cache_head *citem)
{
@@ -465,7 +470,7 @@ static void unix_gid_request(struct cache_detail *cd,
char tuid[20];
struct unix_gid *ug = container_of(h, struct unix_gid, h);
- snprintf(tuid, 20, "%u", ug->uid);
+ snprintf(tuid, 20, "%u", from_kuid(&init_user_ns, ug->uid));
qword_add(bpp, blen, tuid);
(*bpp)[-1] = '\n';
}
@@ -475,13 +480,14 @@ static int unix_gid_upcall(struct cache_detail *cd, struct cache_head *h)
return sunrpc_cache_pipe_upcall(cd, h, unix_gid_request);
}
-static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, uid_t uid);
+static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid);
static int unix_gid_parse(struct cache_detail *cd,
char *mesg, int mlen)
{
/* uid expiry Ngid gid0 gid1 ... gidN-1 */
- int uid;
+ int id;
+ kuid_t uid;
int gids;
int rv;
int i;
@@ -493,9 +499,12 @@ static int unix_gid_parse(struct cache_detail *cd,
return -EINVAL;
mesg[mlen-1] = 0;
- rv = get_int(&mesg, &uid);
+ rv = get_int(&mesg, &id);
if (rv)
return -EINVAL;
+ uid = make_kuid(&init_user_ns, id);
+ if (!uid_valid(uid))
+ return -EINVAL;
ug.uid = uid;
expiry = get_expiry(&mesg);
@@ -530,7 +539,7 @@ static int unix_gid_parse(struct cache_detail *cd,
ug.h.expiry_time = expiry;
ch = sunrpc_cache_update(cd,
&ug.h, &ugp->h,
- hash_long(uid, GID_HASHBITS));
+ unix_gid_hash(uid));
if (!ch)
err = -ENOMEM;
else {
@@ -549,7 +558,7 @@ static int unix_gid_show(struct seq_file *m,
struct cache_detail *cd,
struct cache_head *h)
{
- struct user_namespace *user_ns = current_user_ns();
+ struct user_namespace *user_ns = &init_user_ns;
struct unix_gid *ug;
int i;
int glen;
@@ -565,7 +574,7 @@ static int unix_gid_show(struct seq_file *m,
else
glen = 0;
- seq_printf(m, "%u %d:", ug->uid, glen);
+ seq_printf(m, "%u %d:", from_kuid_munged(user_ns, ug->uid), glen);
for (i = 0; i < glen; i++)
seq_printf(m, " %d", from_kgid_munged(user_ns, GROUP_AT(ug->gi, i)));
seq_printf(m, "\n");
@@ -615,20 +624,20 @@ void unix_gid_cache_destroy(struct net *net)
cache_destroy_net(cd, net);
}
-static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, uid_t uid)
+static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid)
{
struct unix_gid ug;
struct cache_head *ch;
ug.uid = uid;
- ch = sunrpc_cache_lookup(cd, &ug.h, hash_long(uid, GID_HASHBITS));
+ ch = sunrpc_cache_lookup(cd, &ug.h, unix_gid_hash(uid));
if (ch)
return container_of(ch, struct unix_gid, h);
else
return NULL;
}
-static struct group_info *unix_gid_find(uid_t uid, struct svc_rqst *rqstp)
+static struct group_info *unix_gid_find(kuid_t uid, struct svc_rqst *rqstp)
{
struct unix_gid *ug;
struct group_info *gi;
@@ -750,8 +759,8 @@ svcauth_null_accept(struct svc_rqst *rqstp, __be32 *authp)
}
/* Signal that mapping to nobody uid/gid is required */
- cred->cr_uid = (uid_t) -1;
- cred->cr_gid = (gid_t) -1;
+ cred->cr_uid = INVALID_UID;
+ cred->cr_gid = INVALID_GID;
cred->cr_group_info = groups_alloc(0);
if (cred->cr_group_info == NULL)
return SVC_CLOSE; /* kmalloc failure - client must retry */
@@ -812,8 +821,10 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
argv->iov_base = (void*)((__be32*)argv->iov_base + slen); /* skip machname */
argv->iov_len -= slen*4;
- cred->cr_uid = svc_getnl(argv); /* uid */
- cred->cr_gid = svc_getnl(argv); /* gid */
+ cred->cr_uid = make_kuid(&init_user_ns, svc_getnl(argv)); /* uid */
+ cred->cr_gid = make_kgid(&init_user_ns, svc_getnl(argv)); /* gid */
+ if (!uid_valid(cred->cr_uid) || !gid_valid(cred->cr_gid))
+ goto badcred;
slen = svc_getnl(argv); /* gids length */
if (slen > 16 || (len -= (slen + 2)*4) < 0)
goto badcred;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 33811db8788..846c34fdee9 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -430,21 +430,23 @@ __xprt_put_cong(struct rpc_xprt *xprt, struct rpc_rqst *req)
*/
void xprt_release_rqst_cong(struct rpc_task *task)
{
- __xprt_put_cong(task->tk_xprt, task->tk_rqstp);
+ struct rpc_rqst *req = task->tk_rqstp;
+
+ __xprt_put_cong(req->rq_xprt, req);
}
EXPORT_SYMBOL_GPL(xprt_release_rqst_cong);
/**
* xprt_adjust_cwnd - adjust transport congestion window
+ * @xprt: pointer to xprt
* @task: recently completed RPC request used to adjust window
* @result: result code of completed RPC request
*
* We use a time-smoothed congestion estimator to avoid heavy oscillation.
*/
-void xprt_adjust_cwnd(struct rpc_task *task, int result)
+void xprt_adjust_cwnd(struct rpc_xprt *xprt, struct rpc_task *task, int result)
{
struct rpc_rqst *req = task->tk_rqstp;
- struct rpc_xprt *xprt = task->tk_xprt;
unsigned long cwnd = xprt->cwnd;
if (result >= 0 && cwnd <= xprt->cong) {
@@ -695,7 +697,7 @@ out_abort:
*/
void xprt_connect(struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
dprintk("RPC: %5u xprt_connect xprt %p %s connected\n", task->tk_pid,
xprt, (xprt_connected(xprt) ? "is" : "is not"));
@@ -722,13 +724,13 @@ void xprt_connect(struct rpc_task *task)
if (xprt_test_and_set_connecting(xprt))
return;
xprt->stat.connect_start = jiffies;
- xprt->ops->connect(task);
+ xprt->ops->connect(xprt, task);
}
}
static void xprt_connect_status(struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
if (task->tk_status == 0) {
xprt->stat.connect_count++;
@@ -832,7 +834,7 @@ static void xprt_timer(struct rpc_task *task)
spin_lock_bh(&xprt->transport_lock);
if (!req->rq_reply_bytes_recvd) {
if (xprt->ops->timer)
- xprt->ops->timer(task);
+ xprt->ops->timer(xprt, task);
} else
task->tk_status = 0;
spin_unlock_bh(&xprt->transport_lock);
@@ -1091,7 +1093,7 @@ EXPORT_SYMBOL_GPL(xprt_free);
*/
void xprt_reserve(struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt;
task->tk_status = 0;
if (task->tk_rqstp != NULL)
@@ -1099,7 +1101,10 @@ void xprt_reserve(struct rpc_task *task)
task->tk_timeout = 0;
task->tk_status = -EAGAIN;
+ rcu_read_lock();
+ xprt = rcu_dereference(task->tk_client->cl_xprt);
xprt->ops->alloc_slot(xprt, task);
+ rcu_read_unlock();
}
static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 558fbab574f..e03725bfe2b 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -171,7 +171,7 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target,
struct rpcrdma_msg *headerp, enum rpcrdma_chunktype type)
{
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
- struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_task->tk_xprt);
+ struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(rqst->rq_xprt);
int nsegs, nchunks = 0;
unsigned int pos;
struct rpcrdma_mr_seg *seg = req->rl_segments;
@@ -366,7 +366,7 @@ rpcrdma_inline_pullup(struct rpc_rqst *rqst, int pad)
int
rpcrdma_marshal_req(struct rpc_rqst *rqst)
{
- struct rpc_xprt *xprt = rqst->rq_task->tk_xprt;
+ struct rpc_xprt *xprt = rqst->rq_xprt;
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
char *base;
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index c9aa7a35f3b..d0074289708 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -426,9 +426,8 @@ xprt_rdma_set_port(struct rpc_xprt *xprt, u16 port)
}
static void
-xprt_rdma_connect(struct rpc_task *task)
+xprt_rdma_connect(struct rpc_xprt *xprt, struct rpc_task *task)
{
- struct rpc_xprt *xprt = (struct rpc_xprt *)task->tk_xprt;
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
if (r_xprt->rx_ep.rep_connected != 0) {
@@ -475,7 +474,7 @@ xprt_rdma_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
static void *
xprt_rdma_allocate(struct rpc_task *task, size_t size)
{
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = task->tk_rqstp->rq_xprt;
struct rpcrdma_req *req, *nreq;
req = rpcrdma_buffer_get(&rpcx_to_rdmax(xprt)->rx_buf);
@@ -627,7 +626,7 @@ static int
xprt_rdma_send_request(struct rpc_task *task)
{
struct rpc_rqst *rqst = task->tk_rqstp;
- struct rpc_xprt *xprt = task->tk_xprt;
+ struct rpc_xprt *xprt = rqst->rq_xprt;
struct rpcrdma_req *req = rpcr_to_rdmar(rqst);
struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 9a66c95b583..cc1445dc1d1 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -235,13 +235,13 @@ struct rpcrdma_create_data_internal {
};
#define RPCRDMA_INLINE_READ_THRESHOLD(rq) \
- (rpcx_to_rdmad(rq->rq_task->tk_xprt).inline_rsize)
+ (rpcx_to_rdmad(rq->rq_xprt).inline_rsize)
#define RPCRDMA_INLINE_WRITE_THRESHOLD(rq)\
- (rpcx_to_rdmad(rq->rq_task->tk_xprt).inline_wsize)
+ (rpcx_to_rdmad(rq->rq_xprt).inline_wsize)
#define RPCRDMA_INLINE_PAD_VALUE(rq)\
- rpcx_to_rdmad(rq->rq_task->tk_xprt).padding
+ rpcx_to_rdmad(rq->rq_xprt).padding
/*
* Statistics for RPCRDMA
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 68b0a81c31d..37cbda63f45 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -770,7 +770,7 @@ static void xs_tcp_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
goto out_release;
if (req->rq_bytes_sent == req->rq_snd_buf.len)
goto out_release;
- set_bit(XPRT_CLOSE_WAIT, &task->tk_xprt->state);
+ set_bit(XPRT_CLOSE_WAIT, &xprt->state);
out_release:
xprt_release_xprt(xprt, task);
}
@@ -1005,7 +1005,7 @@ static void xs_udp_data_ready(struct sock *sk, int len)
UDPX_INC_STATS_BH(sk, UDP_MIB_INDATAGRAMS);
- xprt_adjust_cwnd(task, copied);
+ xprt_adjust_cwnd(xprt, task, copied);
xprt_complete_rqst(task, copied);
out_unlock:
@@ -1646,9 +1646,9 @@ static void xs_udp_set_buffer_size(struct rpc_xprt *xprt, size_t sndsize, size_t
*
* Adjust the congestion window after a retransmit timeout has occurred.
*/
-static void xs_udp_timer(struct rpc_task *task)
+static void xs_udp_timer(struct rpc_xprt *xprt, struct rpc_task *task)
{
- xprt_adjust_cwnd(task, -ETIMEDOUT);
+ xprt_adjust_cwnd(xprt, task, -ETIMEDOUT);
}
static unsigned short xs_get_random_port(void)
@@ -1731,7 +1731,9 @@ static int xs_bind(struct sock_xprt *transport, struct socket *sock)
*/
static void xs_local_rpcbind(struct rpc_task *task)
{
- xprt_set_bound(task->tk_xprt);
+ rcu_read_lock();
+ xprt_set_bound(rcu_dereference(task->tk_client->cl_xprt));
+ rcu_read_unlock();
}
static void xs_local_set_port(struct rpc_xprt *xprt, unsigned short port)
@@ -2205,6 +2207,7 @@ out:
/**
* xs_connect - connect a socket to a remote endpoint
+ * @xprt: pointer to transport structure
* @task: address of RPC task that manages state of connect request
*
* TCP: If the remote end dropped the connection, delay reconnecting.
@@ -2216,9 +2219,8 @@ out:
* If a UDP socket connect fails, the delay behavior here prevents
* retry floods (hard mounts).
*/
-static void xs_connect(struct rpc_task *task)
+static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
{
- struct rpc_xprt *xprt = task->tk_xprt;
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
if (transport->sock != NULL && !RPC_IS_SOFTCONN(task)) {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-27 07:10:37 +0000