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-rw-r--r--net/sunrpc/auth.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 9ac1b8c26c01..8d6f1a176b15 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -184,7 +184,7 @@ rpcauth_gc_credcache(struct rpc_auth *auth, struct hlist_head *free)
184 */ 184 */
185struct rpc_cred * 185struct rpc_cred *
186rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred, 186rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
187 int taskflags) 187 int flags)
188{ 188{
189 struct rpc_cred_cache *cache = auth->au_credcache; 189 struct rpc_cred_cache *cache = auth->au_credcache;
190 HLIST_HEAD(free); 190 HLIST_HEAD(free);
@@ -193,7 +193,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
193 *cred = NULL; 193 *cred = NULL;
194 int nr = 0; 194 int nr = 0;
195 195
196 if (!(taskflags & RPC_TASK_ROOTCREDS)) 196 if (!(flags & RPCAUTH_LOOKUP_ROOTCREDS))
197 nr = acred->uid & RPC_CREDCACHE_MASK; 197 nr = acred->uid & RPC_CREDCACHE_MASK;
198retry: 198retry:
199 spin_lock(&rpc_credcache_lock); 199 spin_lock(&rpc_credcache_lock);
@@ -202,7 +202,7 @@ retry:
202 hlist_for_each_safe(pos, next, &cache->hashtable[nr]) { 202 hlist_for_each_safe(pos, next, &cache->hashtable[nr]) {
203 struct rpc_cred *entry; 203 struct rpc_cred *entry;
204 entry = hlist_entry(pos, struct rpc_cred, cr_hash); 204 entry = hlist_entry(pos, struct rpc_cred, cr_hash);
205 if (entry->cr_ops->crmatch(acred, entry, taskflags)) { 205 if (entry->cr_ops->crmatch(acred, entry, flags)) {
206 hlist_del(&entry->cr_hash); 206 hlist_del(&entry->cr_hash);
207 cred = entry; 207 cred = entry;
208 break; 208 break;
@@ -224,7 +224,7 @@ retry:
224 rpcauth_destroy_credlist(&free); 224 rpcauth_destroy_credlist(&free);
225 225
226 if (!cred) { 226 if (!cred) {
227 new = auth->au_ops->crcreate(auth, acred, taskflags); 227 new = auth->au_ops->crcreate(auth, acred, flags);
228 if (!IS_ERR(new)) { 228 if (!IS_ERR(new)) {
229#ifdef RPC_DEBUG 229#ifdef RPC_DEBUG
230 new->cr_magic = RPCAUTH_CRED_MAGIC; 230 new->cr_magic = RPCAUTH_CRED_MAGIC;
@@ -232,13 +232,21 @@ retry:
232 goto retry; 232 goto retry;
233 } else 233 } else
234 cred = new; 234 cred = new;
235 } else if ((cred->cr_flags & RPCAUTH_CRED_NEW)
236 && cred->cr_ops->cr_init != NULL
237 && !(flags & RPCAUTH_LOOKUP_NEW)) {
238 int res = cred->cr_ops->cr_init(auth, cred);
239 if (res < 0) {
240 put_rpccred(cred);
241 cred = ERR_PTR(res);
242 }
235 } 243 }
236 244
237 return (struct rpc_cred *) cred; 245 return (struct rpc_cred *) cred;
238} 246}
239 247
240struct rpc_cred * 248struct rpc_cred *
241rpcauth_lookupcred(struct rpc_auth *auth, int taskflags) 249rpcauth_lookupcred(struct rpc_auth *auth, int flags)
242{ 250{
243 struct auth_cred acred = { 251 struct auth_cred acred = {
244 .uid = current->fsuid, 252 .uid = current->fsuid,
@@ -250,7 +258,7 @@ rpcauth_lookupcred(struct rpc_auth *auth, int taskflags)
250 dprintk("RPC: looking up %s cred\n", 258 dprintk("RPC: looking up %s cred\n",
251 auth->au_ops->au_name); 259 auth->au_ops->au_name);
252 get_group_info(acred.group_info); 260 get_group_info(acred.group_info);
253 ret = auth->au_ops->lookup_cred(auth, &acred, taskflags); 261 ret = auth->au_ops->lookup_cred(auth, &acred, flags);
254 put_group_info(acred.group_info); 262 put_group_info(acred.group_info);
255 return ret; 263 return ret;
256} 264}
@@ -265,11 +273,14 @@ rpcauth_bindcred(struct rpc_task *task)
265 .group_info = current->group_info, 273 .group_info = current->group_info,
266 }; 274 };
267 struct rpc_cred *ret; 275 struct rpc_cred *ret;
276 int flags = 0;
268 277
269 dprintk("RPC: %4d looking up %s cred\n", 278 dprintk("RPC: %4d looking up %s cred\n",
270 task->tk_pid, task->tk_auth->au_ops->au_name); 279 task->tk_pid, task->tk_auth->au_ops->au_name);
271 get_group_info(acred.group_info); 280 get_group_info(acred.group_info);
272 ret = auth->au_ops->lookup_cred(auth, &acred, task->tk_flags); 281 if (task->tk_flags & RPC_TASK_ROOTCREDS)
282 flags |= RPCAUTH_LOOKUP_ROOTCREDS;
283 ret = auth->au_ops->lookup_cred(auth, &acred, flags);
273 if (!IS_ERR(ret)) 284 if (!IS_ERR(ret))
274 task->tk_msg.rpc_cred = ret; 285 task->tk_msg.rpc_cred = ret;
275 else 286 else