/*
|
/*
|
* linux/fs/nfs/rpcauth.c
|
* linux/fs/nfs/rpcauth.c
|
*
|
*
|
* Generic RPC authentication API.
|
* Generic RPC authentication API.
|
*
|
*
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* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
|
* Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
|
*/
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*/
|
|
|
#include <linux/types.h>
|
#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
|
#include <linux/slab.h>
|
#include <linux/errno.h>
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#include <linux/errno.h>
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#include <linux/socket.h>
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#include <linux/socket.h>
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#include <linux/sunrpc/clnt.h>
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#include <linux/sunrpc/clnt.h>
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#include <linux/spinlock.h>
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#include <linux/spinlock.h>
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|
|
#ifdef RPC_DEBUG
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#ifdef RPC_DEBUG
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# define RPCDBG_FACILITY RPCDBG_AUTH
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# define RPCDBG_FACILITY RPCDBG_AUTH
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#endif
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#endif
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|
|
#define RPC_MAXFLAVOR 8
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#define RPC_MAXFLAVOR 8
|
|
|
static struct rpc_authops * auth_flavors[RPC_MAXFLAVOR] = {
|
static struct rpc_authops * auth_flavors[RPC_MAXFLAVOR] = {
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&authnull_ops, /* AUTH_NULL */
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&authnull_ops, /* AUTH_NULL */
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&authunix_ops, /* AUTH_UNIX */
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&authunix_ops, /* AUTH_UNIX */
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NULL, /* others can be loadable modules */
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NULL, /* others can be loadable modules */
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};
|
};
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|
|
int
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int
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rpcauth_register(struct rpc_authops *ops)
|
rpcauth_register(struct rpc_authops *ops)
|
{
|
{
|
unsigned int flavor;
|
unsigned int flavor;
|
|
|
if ((flavor = ops->au_flavor) >= RPC_MAXFLAVOR)
|
if ((flavor = ops->au_flavor) >= RPC_MAXFLAVOR)
|
return -EINVAL;
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return -EINVAL;
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if (auth_flavors[flavor] != NULL)
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if (auth_flavors[flavor] != NULL)
|
return -EPERM; /* what else? */
|
return -EPERM; /* what else? */
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auth_flavors[flavor] = ops;
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auth_flavors[flavor] = ops;
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return 0;
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return 0;
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}
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}
|
|
|
int
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int
|
rpcauth_unregister(struct rpc_authops *ops)
|
rpcauth_unregister(struct rpc_authops *ops)
|
{
|
{
|
unsigned int flavor;
|
unsigned int flavor;
|
|
|
if ((flavor = ops->au_flavor) >= RPC_MAXFLAVOR)
|
if ((flavor = ops->au_flavor) >= RPC_MAXFLAVOR)
|
return -EINVAL;
|
return -EINVAL;
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if (auth_flavors[flavor] != ops)
|
if (auth_flavors[flavor] != ops)
|
return -EPERM; /* what else? */
|
return -EPERM; /* what else? */
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auth_flavors[flavor] = NULL;
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auth_flavors[flavor] = NULL;
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return 0;
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return 0;
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}
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}
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|
|
struct rpc_auth *
|
struct rpc_auth *
|
rpcauth_create(unsigned int flavor, struct rpc_clnt *clnt)
|
rpcauth_create(unsigned int flavor, struct rpc_clnt *clnt)
|
{
|
{
|
struct rpc_authops *ops;
|
struct rpc_authops *ops;
|
|
|
if (flavor >= RPC_MAXFLAVOR || !(ops = auth_flavors[flavor]))
|
if (flavor >= RPC_MAXFLAVOR || !(ops = auth_flavors[flavor]))
|
return NULL;
|
return NULL;
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clnt->cl_auth = ops->create(clnt);
|
clnt->cl_auth = ops->create(clnt);
|
return clnt->cl_auth;
|
return clnt->cl_auth;
|
}
|
}
|
|
|
void
|
void
|
rpcauth_destroy(struct rpc_auth *auth)
|
rpcauth_destroy(struct rpc_auth *auth)
|
{
|
{
|
auth->au_ops->destroy(auth);
|
auth->au_ops->destroy(auth);
|
}
|
}
|
|
|
static spinlock_t rpc_credcache_lock = SPIN_LOCK_UNLOCKED;
|
static spinlock_t rpc_credcache_lock = SPIN_LOCK_UNLOCKED;
|
|
|
/*
|
/*
|
* Initialize RPC credential cache
|
* Initialize RPC credential cache
|
*/
|
*/
|
void
|
void
|
rpcauth_init_credcache(struct rpc_auth *auth)
|
rpcauth_init_credcache(struct rpc_auth *auth)
|
{
|
{
|
memset(auth->au_credcache, 0, sizeof(auth->au_credcache));
|
memset(auth->au_credcache, 0, sizeof(auth->au_credcache));
|
auth->au_nextgc = jiffies + (auth->au_expire >> 1);
|
auth->au_nextgc = jiffies + (auth->au_expire >> 1);
|
}
|
}
|
|
|
/*
|
/*
|
* Destroy an unreferenced credential
|
* Destroy an unreferenced credential
|
*/
|
*/
|
static inline void
|
static inline void
|
rpcauth_crdestroy(struct rpc_cred *cred)
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rpcauth_crdestroy(struct rpc_cred *cred)
|
{
|
{
|
#ifdef RPC_DEBUG
|
#ifdef RPC_DEBUG
|
if (cred->cr_magic != RPCAUTH_CRED_MAGIC)
|
if (cred->cr_magic != RPCAUTH_CRED_MAGIC)
|
BUG();
|
BUG();
|
cred->cr_magic = 0;
|
cred->cr_magic = 0;
|
if (atomic_read(&cred->cr_count) || cred->cr_auth)
|
if (atomic_read(&cred->cr_count) || cred->cr_auth)
|
BUG();
|
BUG();
|
#endif
|
#endif
|
cred->cr_ops->crdestroy(cred);
|
cred->cr_ops->crdestroy(cred);
|
}
|
}
|
|
|
/*
|
/*
|
* Destroy a list of credentials
|
* Destroy a list of credentials
|
*/
|
*/
|
static inline
|
static inline
|
void rpcauth_destroy_credlist(struct rpc_cred *head)
|
void rpcauth_destroy_credlist(struct rpc_cred *head)
|
{
|
{
|
struct rpc_cred *cred;
|
struct rpc_cred *cred;
|
|
|
while ((cred = head) != NULL) {
|
while ((cred = head) != NULL) {
|
head = cred->cr_next;
|
head = cred->cr_next;
|
rpcauth_crdestroy(cred);
|
rpcauth_crdestroy(cred);
|
}
|
}
|
}
|
}
|
|
|
/*
|
/*
|
* Clear the RPC credential cache, and delete those credentials
|
* Clear the RPC credential cache, and delete those credentials
|
* that are not referenced.
|
* that are not referenced.
|
*/
|
*/
|
void
|
void
|
rpcauth_free_credcache(struct rpc_auth *auth)
|
rpcauth_free_credcache(struct rpc_auth *auth)
|
{
|
{
|
struct rpc_cred **q, *cred, *free = NULL;
|
struct rpc_cred **q, *cred, *free = NULL;
|
int i;
|
int i;
|
|
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
for (i = 0; i < RPC_CREDCACHE_NR; i++) {
|
for (i = 0; i < RPC_CREDCACHE_NR; i++) {
|
q = &auth->au_credcache[i];
|
q = &auth->au_credcache[i];
|
while ((cred = *q) != NULL) {
|
while ((cred = *q) != NULL) {
|
*q = cred->cr_next;
|
*q = cred->cr_next;
|
cred->cr_auth = NULL;
|
cred->cr_auth = NULL;
|
if (atomic_read(&cred->cr_count) == 0) {
|
if (atomic_read(&cred->cr_count) == 0) {
|
cred->cr_next = free;
|
cred->cr_next = free;
|
free = cred;
|
free = cred;
|
} else
|
} else
|
cred->cr_next = NULL;
|
cred->cr_next = NULL;
|
}
|
}
|
}
|
}
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
rpcauth_destroy_credlist(free);
|
rpcauth_destroy_credlist(free);
|
}
|
}
|
|
|
/*
|
/*
|
* Remove stale credentials. Avoid sleeping inside the loop.
|
* Remove stale credentials. Avoid sleeping inside the loop.
|
*/
|
*/
|
static void
|
static void
|
rpcauth_gc_credcache(struct rpc_auth *auth)
|
rpcauth_gc_credcache(struct rpc_auth *auth)
|
{
|
{
|
struct rpc_cred **q, *cred, *free = NULL;
|
struct rpc_cred **q, *cred, *free = NULL;
|
int i;
|
int i;
|
|
|
dprintk("RPC: gc'ing RPC credentials for auth %p\n", auth);
|
dprintk("RPC: gc'ing RPC credentials for auth %p\n", auth);
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
for (i = 0; i < RPC_CREDCACHE_NR; i++) {
|
for (i = 0; i < RPC_CREDCACHE_NR; i++) {
|
q = &auth->au_credcache[i];
|
q = &auth->au_credcache[i];
|
while ((cred = *q) != NULL) {
|
while ((cred = *q) != NULL) {
|
if (!atomic_read(&cred->cr_count) &&
|
if (!atomic_read(&cred->cr_count) &&
|
time_before(cred->cr_expire, jiffies)) {
|
time_before(cred->cr_expire, jiffies)) {
|
*q = cred->cr_next;
|
*q = cred->cr_next;
|
cred->cr_auth = NULL;
|
cred->cr_auth = NULL;
|
cred->cr_next = free;
|
cred->cr_next = free;
|
free = cred;
|
free = cred;
|
continue;
|
continue;
|
}
|
}
|
q = &cred->cr_next;
|
q = &cred->cr_next;
|
}
|
}
|
}
|
}
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
rpcauth_destroy_credlist(free);
|
rpcauth_destroy_credlist(free);
|
auth->au_nextgc = jiffies + auth->au_expire;
|
auth->au_nextgc = jiffies + auth->au_expire;
|
}
|
}
|
|
|
/*
|
/*
|
* Insert credential into cache
|
* Insert credential into cache
|
*/
|
*/
|
void
|
void
|
rpcauth_insert_credcache(struct rpc_auth *auth, struct rpc_cred *cred)
|
rpcauth_insert_credcache(struct rpc_auth *auth, struct rpc_cred *cred)
|
{
|
{
|
int nr;
|
int nr;
|
|
|
nr = (cred->cr_uid & RPC_CREDCACHE_MASK);
|
nr = (cred->cr_uid & RPC_CREDCACHE_MASK);
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
cred->cr_next = auth->au_credcache[nr];
|
cred->cr_next = auth->au_credcache[nr];
|
auth->au_credcache[nr] = cred;
|
auth->au_credcache[nr] = cred;
|
cred->cr_auth = auth;
|
cred->cr_auth = auth;
|
get_rpccred(cred);
|
get_rpccred(cred);
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
}
|
}
|
|
|
/*
|
/*
|
* Look up a process' credentials in the authentication cache
|
* Look up a process' credentials in the authentication cache
|
*/
|
*/
|
static struct rpc_cred *
|
static struct rpc_cred *
|
rpcauth_lookup_credcache(struct rpc_auth *auth, int taskflags)
|
rpcauth_lookup_credcache(struct rpc_auth *auth, int taskflags)
|
{
|
{
|
struct rpc_cred **q, *cred = NULL;
|
struct rpc_cred **q, *cred = NULL;
|
int nr = 0;
|
int nr = 0;
|
|
|
if (!(taskflags & RPC_TASK_ROOTCREDS))
|
if (!(taskflags & RPC_TASK_ROOTCREDS))
|
nr = current->uid & RPC_CREDCACHE_MASK;
|
nr = current->uid & RPC_CREDCACHE_MASK;
|
|
|
if (time_before(auth->au_nextgc, jiffies))
|
if (time_before(auth->au_nextgc, jiffies))
|
rpcauth_gc_credcache(auth);
|
rpcauth_gc_credcache(auth);
|
|
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
q = &auth->au_credcache[nr];
|
q = &auth->au_credcache[nr];
|
while ((cred = *q) != NULL) {
|
while ((cred = *q) != NULL) {
|
if (!(cred->cr_flags & RPCAUTH_CRED_DEAD) &&
|
if (!(cred->cr_flags & RPCAUTH_CRED_DEAD) &&
|
cred->cr_ops->crmatch(cred, taskflags)) {
|
cred->cr_ops->crmatch(cred, taskflags)) {
|
*q = cred->cr_next;
|
*q = cred->cr_next;
|
break;
|
break;
|
}
|
}
|
q = &cred->cr_next;
|
q = &cred->cr_next;
|
}
|
}
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
|
|
if (!cred) {
|
if (!cred) {
|
cred = auth->au_ops->crcreate(taskflags);
|
cred = auth->au_ops->crcreate(taskflags);
|
#ifdef RPC_DEBUG
|
#ifdef RPC_DEBUG
|
if (cred)
|
if (cred)
|
cred->cr_magic = RPCAUTH_CRED_MAGIC;
|
cred->cr_magic = RPCAUTH_CRED_MAGIC;
|
#endif
|
#endif
|
}
|
}
|
|
|
if (cred)
|
if (cred)
|
rpcauth_insert_credcache(auth, cred);
|
rpcauth_insert_credcache(auth, cred);
|
|
|
return (struct rpc_cred *) cred;
|
return (struct rpc_cred *) cred;
|
}
|
}
|
|
|
/*
|
/*
|
* Remove cred handle from cache
|
* Remove cred handle from cache
|
*/
|
*/
|
static void
|
static void
|
rpcauth_remove_credcache(struct rpc_cred *cred)
|
rpcauth_remove_credcache(struct rpc_cred *cred)
|
{
|
{
|
struct rpc_auth *auth = cred->cr_auth;
|
struct rpc_auth *auth = cred->cr_auth;
|
struct rpc_cred **q, *cr;
|
struct rpc_cred **q, *cr;
|
int nr;
|
int nr;
|
|
|
nr = (cred->cr_uid & RPC_CREDCACHE_MASK);
|
nr = (cred->cr_uid & RPC_CREDCACHE_MASK);
|
q = &auth->au_credcache[nr];
|
q = &auth->au_credcache[nr];
|
while ((cr = *q) != NULL) {
|
while ((cr = *q) != NULL) {
|
if (cred == cr) {
|
if (cred == cr) {
|
*q = cred->cr_next;
|
*q = cred->cr_next;
|
cred->cr_next = NULL;
|
cred->cr_next = NULL;
|
cred->cr_auth = NULL;
|
cred->cr_auth = NULL;
|
break;
|
break;
|
}
|
}
|
q = &cred->cr_next;
|
q = &cred->cr_next;
|
}
|
}
|
}
|
}
|
|
|
struct rpc_cred *
|
struct rpc_cred *
|
rpcauth_lookupcred(struct rpc_auth *auth, int taskflags)
|
rpcauth_lookupcred(struct rpc_auth *auth, int taskflags)
|
{
|
{
|
dprintk("RPC: looking up %s cred\n",
|
dprintk("RPC: looking up %s cred\n",
|
auth->au_ops->au_name);
|
auth->au_ops->au_name);
|
return rpcauth_lookup_credcache(auth, taskflags);
|
return rpcauth_lookup_credcache(auth, taskflags);
|
}
|
}
|
|
|
struct rpc_cred *
|
struct rpc_cred *
|
rpcauth_bindcred(struct rpc_task *task)
|
rpcauth_bindcred(struct rpc_task *task)
|
{
|
{
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_auth *auth = task->tk_auth;
|
|
|
dprintk("RPC: %4d looking up %s cred\n",
|
dprintk("RPC: %4d looking up %s cred\n",
|
task->tk_pid, task->tk_auth->au_ops->au_name);
|
task->tk_pid, task->tk_auth->au_ops->au_name);
|
task->tk_msg.rpc_cred = rpcauth_lookup_credcache(auth, task->tk_flags);
|
task->tk_msg.rpc_cred = rpcauth_lookup_credcache(auth, task->tk_flags);
|
if (task->tk_msg.rpc_cred == 0)
|
if (task->tk_msg.rpc_cred == 0)
|
task->tk_status = -ENOMEM;
|
task->tk_status = -ENOMEM;
|
return task->tk_msg.rpc_cred;
|
return task->tk_msg.rpc_cred;
|
}
|
}
|
|
|
int
|
int
|
rpcauth_matchcred(struct rpc_auth *auth, struct rpc_cred *cred, int taskflags)
|
rpcauth_matchcred(struct rpc_auth *auth, struct rpc_cred *cred, int taskflags)
|
{
|
{
|
dprintk("RPC: matching %s cred %d\n",
|
dprintk("RPC: matching %s cred %d\n",
|
auth->au_ops->au_name, taskflags);
|
auth->au_ops->au_name, taskflags);
|
return cred->cr_ops->crmatch(cred, taskflags);
|
return cred->cr_ops->crmatch(cred, taskflags);
|
}
|
}
|
|
|
void
|
void
|
rpcauth_holdcred(struct rpc_task *task)
|
rpcauth_holdcred(struct rpc_task *task)
|
{
|
{
|
dprintk("RPC: %4d holding %s cred %p\n",
|
dprintk("RPC: %4d holding %s cred %p\n",
|
task->tk_pid, task->tk_auth->au_ops->au_name, task->tk_msg.rpc_cred);
|
task->tk_pid, task->tk_auth->au_ops->au_name, task->tk_msg.rpc_cred);
|
if (task->tk_msg.rpc_cred)
|
if (task->tk_msg.rpc_cred)
|
get_rpccred(task->tk_msg.rpc_cred);
|
get_rpccred(task->tk_msg.rpc_cred);
|
}
|
}
|
|
|
void
|
void
|
put_rpccred(struct rpc_cred *cred)
|
put_rpccred(struct rpc_cred *cred)
|
{
|
{
|
if (!atomic_dec_and_lock(&cred->cr_count, &rpc_credcache_lock))
|
if (!atomic_dec_and_lock(&cred->cr_count, &rpc_credcache_lock))
|
return;
|
return;
|
|
|
if (cred->cr_auth && cred->cr_flags & RPCAUTH_CRED_DEAD)
|
if (cred->cr_auth && cred->cr_flags & RPCAUTH_CRED_DEAD)
|
rpcauth_remove_credcache(cred);
|
rpcauth_remove_credcache(cred);
|
|
|
if (!cred->cr_auth) {
|
if (!cred->cr_auth) {
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
rpcauth_crdestroy(cred);
|
rpcauth_crdestroy(cred);
|
return;
|
return;
|
}
|
}
|
cred->cr_expire = jiffies + cred->cr_auth->au_expire;
|
cred->cr_expire = jiffies + cred->cr_auth->au_expire;
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
}
|
}
|
|
|
void
|
void
|
rpcauth_unbindcred(struct rpc_task *task)
|
rpcauth_unbindcred(struct rpc_task *task)
|
{
|
{
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
|
|
dprintk("RPC: %4d releasing %s cred %p\n",
|
dprintk("RPC: %4d releasing %s cred %p\n",
|
task->tk_pid, auth->au_ops->au_name, cred);
|
task->tk_pid, auth->au_ops->au_name, cred);
|
|
|
put_rpccred(cred);
|
put_rpccred(cred);
|
task->tk_msg.rpc_cred = NULL;
|
task->tk_msg.rpc_cred = NULL;
|
}
|
}
|
|
|
u32 *
|
u32 *
|
rpcauth_marshcred(struct rpc_task *task, u32 *p)
|
rpcauth_marshcred(struct rpc_task *task, u32 *p)
|
{
|
{
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
|
|
dprintk("RPC: %4d marshaling %s cred %p\n",
|
dprintk("RPC: %4d marshaling %s cred %p\n",
|
task->tk_pid, auth->au_ops->au_name, cred);
|
task->tk_pid, auth->au_ops->au_name, cred);
|
return cred->cr_ops->crmarshal(task, p,
|
return cred->cr_ops->crmarshal(task, p,
|
task->tk_flags & RPC_CALL_REALUID);
|
task->tk_flags & RPC_CALL_REALUID);
|
}
|
}
|
|
|
u32 *
|
u32 *
|
rpcauth_checkverf(struct rpc_task *task, u32 *p)
|
rpcauth_checkverf(struct rpc_task *task, u32 *p)
|
{
|
{
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
|
|
dprintk("RPC: %4d validating %s cred %p\n",
|
dprintk("RPC: %4d validating %s cred %p\n",
|
task->tk_pid, auth->au_ops->au_name, cred);
|
task->tk_pid, auth->au_ops->au_name, cred);
|
return cred->cr_ops->crvalidate(task, p);
|
return cred->cr_ops->crvalidate(task, p);
|
}
|
}
|
|
|
int
|
int
|
rpcauth_refreshcred(struct rpc_task *task)
|
rpcauth_refreshcred(struct rpc_task *task)
|
{
|
{
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_auth *auth = task->tk_auth;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
struct rpc_cred *cred = task->tk_msg.rpc_cred;
|
|
|
dprintk("RPC: %4d refreshing %s cred %p\n",
|
dprintk("RPC: %4d refreshing %s cred %p\n",
|
task->tk_pid, auth->au_ops->au_name, cred);
|
task->tk_pid, auth->au_ops->au_name, cred);
|
task->tk_status = cred->cr_ops->crrefresh(task);
|
task->tk_status = cred->cr_ops->crrefresh(task);
|
return task->tk_status;
|
return task->tk_status;
|
}
|
}
|
|
|
void
|
void
|
rpcauth_invalcred(struct rpc_task *task)
|
rpcauth_invalcred(struct rpc_task *task)
|
{
|
{
|
dprintk("RPC: %4d invalidating %s cred %p\n",
|
dprintk("RPC: %4d invalidating %s cred %p\n",
|
task->tk_pid, task->tk_auth->au_ops->au_name, task->tk_msg.rpc_cred);
|
task->tk_pid, task->tk_auth->au_ops->au_name, task->tk_msg.rpc_cred);
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
if (task->tk_msg.rpc_cred)
|
if (task->tk_msg.rpc_cred)
|
task->tk_msg.rpc_cred->cr_flags &= ~RPCAUTH_CRED_UPTODATE;
|
task->tk_msg.rpc_cred->cr_flags &= ~RPCAUTH_CRED_UPTODATE;
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
}
|
}
|
|
|
int
|
int
|
rpcauth_uptodatecred(struct rpc_task *task)
|
rpcauth_uptodatecred(struct rpc_task *task)
|
{
|
{
|
int retval;
|
int retval;
|
spin_lock(&rpc_credcache_lock);
|
spin_lock(&rpc_credcache_lock);
|
retval = !(task->tk_msg.rpc_cred) ||
|
retval = !(task->tk_msg.rpc_cred) ||
|
(task->tk_msg.rpc_cred->cr_flags & RPCAUTH_CRED_UPTODATE);
|
(task->tk_msg.rpc_cred->cr_flags & RPCAUTH_CRED_UPTODATE);
|
spin_unlock(&rpc_credcache_lock);
|
spin_unlock(&rpc_credcache_lock);
|
return retval;
|
return retval;
|
}
|
}
|
|
|
