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sunrpc: Use userns friendly constants. 

Instead of (uid_t)0 use GLOBAL_ROOT_UID.
Instead of (gid_t)0 use GLOBAL_ROOT_GID.
Instead of (uid_t)-1 use INVALID_UID
Instead of (gid_t)-1 use INVALID_GID.
Instead of NOGROUP use INVALID_GID.

Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2013-02-01 15:55:38 -08:00
parent ddca4e1730
commit bf37f79437
4 changed files with 9 additions and 9 deletions
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4
net/sunrpc/auth.c
View File

@ -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",

4
net/sunrpc/auth_generic.c
View File

@ -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;

6
net/sunrpc/auth_unix.c
View File

@ -85,7 +85,7 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
cred->uc_gids[i] = gid;
}
if (i < NFS_NGROUPS)
cred->uc_gids[i] = NOGROUP;
cred->uc_gids[i] = INVALID_GID;
return &cred->uc_base;
}
@ -137,7 +137,7 @@ unx_match(struct auth_cred *acred, struct rpc_cred *rcred, int flags)
return 0;
}
if (groups < NFS_NGROUPS &&
cred->uc_gids[groups] != NOGROUP)
cred->uc_gids[groups] != INVALID_GID)
return 0;
return 1;
}
@ -166,7 +166,7 @@ unx_marshal(struct rpc_task *task, __be32 *p)
*p++ = htonl((u32) cred->uc_uid);
*p++ = htonl((u32) cred->uc_gid);
hold = p++;
for (i = 0; i < 16 && cred->uc_gids[i] != (gid_t) NOGROUP; i++)
for (i = 0; i < 16 && cred->uc_gids[i] != INVALID_GID; i++)
*p++ = htonl((u32) cred->uc_gids[i]);
*hold = htonl(p - hold - 1); /* gid array length */
*base = htonl((p - base - 1) << 2); /* cred length */

4
net/sunrpc/svcauth_unix.c
View File

@ -750,8 +750,8 @@ 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 */