* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
RETURN(-EACCES);
}
} else {
- if (req->rq_auth_uid != pud->pud_uid) {
+ if (!flvr_is_rootonly(req->rq_flvr.sf_rpc) &&
+ req->rq_auth_uid != pud->pud_uid) {
CDEBUG(D_SEC, "local client %s: auth uid %u "
"while client claims %u:%u/%u:%u\n",
libcfs_nid2str(peernid), req->rq_auth_uid,
RETURN(-EACCES);
}
} else {
- if (req->rq_auth_uid != pud->pud_uid) {
+ if (!flvr_is_rootonly(req->rq_flvr.sf_rpc) &&
+ req->rq_auth_uid != pud->pud_uid) {
CDEBUG(D_SEC, "local client %s: auth uid %u "
"while client claims %u:%u/%u:%u\n",
libcfs_nid2str(peernid), req->rq_auth_uid,
return rc;
}
-static void mdt_squash_nodemap_id(struct lu_ucred *ucred,
- struct lu_nodemap *nodemap)
+static int old_init_ucred_common(struct mdt_thread_info *info,
+ struct lu_nodemap *nodemap,
+ bool drop_fs_cap)
{
- if (ucred->uc_o_uid == nodemap->nm_squash_uid) {
- ucred->uc_fsuid = nodemap->nm_squash_uid;
- ucred->uc_fsgid = nodemap->nm_squash_gid;
- ucred->uc_cap = 0;
- ucred->uc_suppgids[0] = -1;
- ucred->uc_suppgids[1] = -1;
+ struct lu_ucred *uc = mdt_ucred(info);
+ struct mdt_device *mdt = info->mti_mdt;
+ struct md_identity *identity = NULL;
+
+ if (!is_identity_get_disabled(mdt->mdt_identity_cache)) {
+ identity = mdt_identity_get(mdt->mdt_identity_cache,
+ uc->uc_fsuid);
+ if (IS_ERR(identity)) {
+ if (unlikely(PTR_ERR(identity) == -EREMCHG ||
+ uc->uc_cap & CFS_CAP_FS_MASK)) {
+ identity = NULL;
+ } else {
+ CDEBUG(D_SEC, "Deny access without identity: "
+ "uid %u\n", uc->uc_fsuid);
+ RETURN(-EACCES);
+ }
+ }
+ }
+ uc->uc_identity = identity;
+
+ if (nodemap && uc->uc_o_uid == nodemap->nm_squash_uid) {
+ uc->uc_fsuid = nodemap->nm_squash_uid;
+ uc->uc_fsgid = nodemap->nm_squash_gid;
+ uc->uc_cap = 0;
+ uc->uc_suppgids[0] = -1;
+ uc->uc_suppgids[1] = -1;
}
-}
+ /* process root_squash here. */
+ mdt_root_squash(info, mdt_info_req(info)->rq_peer.nid);
+
+ /* remove fs privilege for non-root user. */
+ if (uc->uc_fsuid && drop_fs_cap)
+ uc->uc_cap &= ~CFS_CAP_FS_MASK;
+ uc->uc_valid = UCRED_OLD;
+ ucred_set_jobid(info, uc);
+
+ return 0;
+}
static int old_init_ucred(struct mdt_thread_info *info,
struct mdt_body *body, bool drop_fs_cap)
{
- struct lu_ucred *uc = mdt_ucred(info);
- struct mdt_device *mdt = info->mti_mdt;
- struct md_identity *identity = NULL;
- struct lu_nodemap *nodemap =
- info->mti_exp->exp_target_data.ted_nodemap;
+ struct lu_ucred *uc = mdt_ucred(info);
+ struct lu_nodemap *nodemap;
+ int rc;
ENTRY;
+ nodemap = nodemap_get_from_exp(info->mti_exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
+
body->mbo_uid = nodemap_map_id(nodemap, NODEMAP_UID,
NODEMAP_CLIENT_TO_FS, body->mbo_uid);
body->mbo_gid = nodemap_map_id(nodemap, NODEMAP_GID,
uc->uc_suppgids[0] = body->mbo_suppgid;
uc->uc_suppgids[1] = -1;
uc->uc_ginfo = NULL;
- if (!is_identity_get_disabled(mdt->mdt_identity_cache)) {
- identity = mdt_identity_get(mdt->mdt_identity_cache,
- uc->uc_fsuid);
- if (IS_ERR(identity)) {
- if (unlikely(PTR_ERR(identity) == -EREMCHG)) {
- identity = NULL;
- } else {
- CDEBUG(D_SEC, "Deny access without identity: "
- "uid %u\n", uc->uc_fsuid);
- RETURN(-EACCES);
- }
- }
- }
- uc->uc_identity = identity;
-
- mdt_squash_nodemap_id(uc, nodemap);
-
- /* process root_squash here. */
- mdt_root_squash(info, mdt_info_req(info)->rq_peer.nid);
+ uc->uc_cap = body->mbo_capability;
- /* remove fs privilege for non-root user. */
- if (uc->uc_fsuid && drop_fs_cap)
- uc->uc_cap = body->mbo_capability & ~CFS_CAP_FS_MASK;
- else
- uc->uc_cap = body->mbo_capability;
- uc->uc_valid = UCRED_OLD;
- ucred_set_jobid(info, uc);
+ rc = old_init_ucred_common(info, nodemap, drop_fs_cap);
+ nodemap_putref(nodemap);
- RETURN(0);
+ RETURN(rc);
}
static int old_init_ucred_reint(struct mdt_thread_info *info)
{
- struct lu_ucred *uc = mdt_ucred(info);
- struct mdt_device *mdt = info->mti_mdt;
- struct md_identity *identity = NULL;
- struct lu_nodemap *nodemap =
- info->mti_exp->exp_target_data.ted_nodemap;
+ struct lu_ucred *uc = mdt_ucred(info);
+ struct lu_nodemap *nodemap;
+ int rc;
ENTRY;
+ nodemap = nodemap_get_from_exp(info->mti_exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
+
LASSERT(uc != NULL);
uc->uc_fsuid = nodemap_map_id(nodemap, NODEMAP_UID,
uc->uc_o_gid = uc->uc_o_fsgid = uc->uc_gid = uc->uc_fsgid;
uc->uc_ginfo = NULL;
- if (!is_identity_get_disabled(mdt->mdt_identity_cache)) {
- identity = mdt_identity_get(mdt->mdt_identity_cache,
- uc->uc_fsuid);
- if (IS_ERR(identity)) {
- if (unlikely(PTR_ERR(identity) == -EREMCHG)) {
- identity = NULL;
- } else {
- CDEBUG(D_SEC, "Deny access without identity: "
- "uid %u\n", uc->uc_fsuid);
- RETURN(-EACCES);
- }
- }
- }
- uc->uc_identity = identity;
-
- /* process root_squash here. */
- mdt_root_squash(info, mdt_info_req(info)->rq_peer.nid);
+ rc = old_init_ucred_common(info, nodemap, true); /* drop_fs_cap=true */
+ nodemap_putref(nodemap);
- /* remove fs privilege for non-root user. */
- if (uc->uc_fsuid)
- uc->uc_cap &= ~CFS_CAP_FS_MASK;
- uc->uc_valid = UCRED_OLD;
- ucred_set_jobid(info, uc);
-
- RETURN(0);
+ RETURN(rc);
}
static inline int __mdt_init_ucred(struct mdt_thread_info *info,
struct req_capsule *pill = info->mti_pill;
struct mdt_reint_record *rr = &info->mti_rr;
struct mdt_rec_setattr *rec;
- struct lu_nodemap *nodemap =
- info->mti_exp->exp_target_data.ted_nodemap;
+ struct lu_nodemap *nodemap;
ENTRY;
CLASSERT(sizeof(struct mdt_rec_setattr)== sizeof(struct mdt_rec_reint));
la->la_valid = mdt_attr_valid_xlate(rec->sa_valid, rr, ma);
la->la_mode = rec->sa_mode;
la->la_flags = rec->sa_attr_flags;
+
+ nodemap = nodemap_get_from_exp(info->mti_exp);
+ if (IS_ERR(nodemap))
+ RETURN(PTR_ERR(nodemap));
+
la->la_uid = nodemap_map_id(nodemap, NODEMAP_UID,
NODEMAP_CLIENT_TO_FS, rec->sa_uid);
la->la_gid = nodemap_map_id(nodemap, NODEMAP_GID,
NODEMAP_CLIENT_TO_FS, rec->sa_gid);
+ nodemap_putref(nodemap);
+
la->la_size = rec->sa_size;
la->la_blocks = rec->sa_blocks;
la->la_ctime = rec->sa_ctime;
else
ma->ma_attr_flags &= ~MDS_VTX_BYPASS;
+ if (rec->rn_bias & MDS_RENAME_MIGRATE) {
+ req_capsule_extend(info->mti_pill, &RQF_MDS_REINT_MIGRATE);
+ rc = mdt_close_handle_unpack(info);
+ if (rc < 0)
+ RETURN(rc);
+ info->mti_spec.sp_migrate_close = 1;
+ }
+
info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info));
git://git.whamcloud.com / fs / lustre-release.git / blobdiff