* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define DEBUG_SUBSYSTEM S_MDS
#include <linux/user_namespace.h>
-#ifdef HAVE_UIDGID_HEADER
-# include <linux/uidgid.h>
-#endif
+#include <linux/uidgid.h>
+
#include "mdt_internal.h"
#include <uapi/linux/lnet/nidstr.h>
#include <lustre_nodemap.h>
}
}
-static int match_nosquash_list(struct rw_semaphore *sem,
+static int match_nosquash_list(struct spinlock *rsi_lock,
struct list_head *nidlist,
lnet_nid_t peernid)
{
int rc;
ENTRY;
- down_read(sem);
+ spin_lock(rsi_lock);
rc = cfs_match_nid(peernid, nidlist);
- up_read(sem);
+ spin_unlock(rsi_lock);
RETURN(rc);
}
if (!squash->rsi_uid || ucred->uc_fsuid)
RETURN(0);
- if (match_nosquash_list(&squash->rsi_sem,
+ if (match_nosquash_list(&squash->rsi_lock,
&squash->rsi_nosquash_nids,
peernid)) {
CDEBUG(D_OTHER, "%s is in nosquash_nids list\n",
uc->uc_jobid[0] = '\0';
}
+static void ucred_set_nid(struct mdt_thread_info *info, struct lu_ucred *uc)
+{
+ if (info && info->mti_exp && info->mti_exp->exp_connection)
+ uc->uc_nid = info->mti_exp->exp_connection->c_peer.nid;
+ else
+ uc->uc_nid = LNET_NID_ANY;
+}
+
+static void ucred_set_audit_enabled(struct mdt_thread_info *info,
+ struct lu_ucred *uc)
+{
+ struct lu_nodemap *nodemap = NULL;
+ bool audit = true;
+
+ if (info && info->mti_exp) {
+ nodemap = nodemap_get_from_exp(info->mti_exp);
+ if (nodemap && !IS_ERR(nodemap)) {
+ audit = nodemap->nmf_enable_audit;
+ nodemap_putref(nodemap);
+ }
+ }
+
+ uc->uc_enable_audit = audit;
+}
+
static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type,
- void *buf, bool drop_fs_cap)
+ void *buf)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct mdt_device *mdt = info->mti_mdt;
__u32 perm = 0;
int setuid;
int setgid;
+ bool is_nm_gid_squashed = false;
int rc = 0;
ENTRY;
RETURN(-EACCES);
}
- 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;
}
+
+ if (nodemap && ucred->uc_o_gid == nodemap->nm_squash_gid)
+ is_nm_gid_squashed = true;
+
nodemap_putref(nodemap);
if (type == BODY_INIT) {
}
if (perm & CFS_SETGRP_PERM) {
- if (pud->pud_ngroups) {
+ /* only set groups if GID is not squashed */
+ if (pud->pud_ngroups && !is_nm_gid_squashed) {
/* setgroups for local client */
ucred->uc_ginfo = groups_alloc(pud->pud_ngroups);
if (!ucred->uc_ginfo) {
pud->pud_groups);
lustre_groups_sort(ucred->uc_ginfo);
} else {
+ ucred->uc_suppgids[0] = -1;
+ ucred->uc_suppgids[1] = -1;
ucred->uc_ginfo = NULL;
}
} else {
ucred->uc_uid = pud->pud_uid;
ucred->uc_gid = pud->pud_gid;
+
+ if (nodemap && ucred->uc_o_uid == nodemap->nm_squash_uid) {
+ ucred->uc_cap = 0;
+ } else {
+ ucred->uc_cap = pud->pud_cap;
+ }
ucred->uc_fsuid = pud->pud_fsuid;
ucred->uc_fsgid = pud->pud_fsgid;
/* process root_squash here. */
mdt_root_squash(info, peernid);
- /* remove fs privilege for non-root user. */
- if (ucred->uc_fsuid && drop_fs_cap)
- ucred->uc_cap = pud->pud_cap & ~CFS_CAP_FS_MASK;
- else
- ucred->uc_cap = pud->pud_cap;
ucred->uc_valid = UCRED_NEW;
ucred_set_jobid(info, ucred);
+ ucred_set_nid(info, ucred);
+ ucred_set_audit_enabled(info, ucred);
EXIT;
}
static int old_init_ucred_common(struct mdt_thread_info *info,
- struct lu_nodemap *nodemap,
- bool drop_fs_cap)
+ struct lu_nodemap *nodemap)
{
struct lu_ucred *uc = mdt_ucred(info);
struct mdt_device *mdt = info->mti_mdt;
if (nodemap->nmf_deny_unknown)
RETURN(-EACCES);
- 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);
+ ucred_set_nid(info, uc);
+ ucred_set_audit_enabled(info, uc);
EXIT;
}
static int old_init_ucred(struct mdt_thread_info *info,
- struct mdt_body *body, bool drop_fs_cap)
+ struct mdt_body *body)
{
struct lu_ucred *uc = mdt_ucred(info);
struct lu_nodemap *nodemap;
uc->uc_ginfo = NULL;
uc->uc_cap = body->mbo_capability;
- rc = old_init_ucred_common(info, nodemap, drop_fs_cap);
+ rc = old_init_ucred_common(info, nodemap);
nodemap_putref(nodemap);
RETURN(rc);
uc->uc_o_gid = uc->uc_o_fsgid = uc->uc_gid = uc->uc_fsgid;
uc->uc_ginfo = NULL;
- rc = old_init_ucred_common(info, nodemap, true); /* drop_fs_cap=true */
+ rc = old_init_ucred_common(info, nodemap);
nodemap_putref(nodemap);
RETURN(rc);
}
static inline int __mdt_init_ucred(struct mdt_thread_info *info,
- struct mdt_body *body,
- bool drop_fs_cap)
+ struct mdt_body *body)
{
struct ptlrpc_request *req = mdt_info_req(info);
struct lu_ucred *uc = mdt_ucred(info);
mdt_exit_ucred(info);
if (!req->rq_auth_gss || req->rq_auth_usr_mdt || !req->rq_user_desc)
- return old_init_ucred(info, body, drop_fs_cap);
+ return old_init_ucred(info, body);
else
- return new_init_ucred(info, BODY_INIT, body, drop_fs_cap);
+ return new_init_ucred(info, BODY_INIT, body);
}
int mdt_init_ucred(struct mdt_thread_info *info, struct mdt_body *body)
{
- return __mdt_init_ucred(info, body, true);
-}
-
-/* LU-6528 when "no_subtree_check" is set for NFS export, nfsd_set_fh_dentry()
- * doesn't set correct fsuid explicitely, but raise capability to allow
- * exportfs_decode_fh() to reconnect disconnected dentry into dcache. So for
- * lookup (i.e. intent_getattr), we should keep FS capability, otherwise it
- * will fail permission check. */
-int mdt_init_ucred_intent_getattr(struct mdt_thread_info *info,
- struct mdt_body *body)
-{
- return __mdt_init_ucred(info, body, false);
+ return __mdt_init_ucred(info, body);
}
int mdt_init_ucred_reint(struct mdt_thread_info *info)
if (!req->rq_auth_gss || req->rq_auth_usr_mdt || !req->rq_user_desc)
return old_init_ucred_reint(info);
else
- return new_init_ucred(info, REC_INIT, NULL, true);
+ return new_init_ucred(info, REC_INIT, NULL);
}
/* copied from lov/lov_ea.c, just for debugging, will be removed later */
void mdt_dump_lmv(unsigned int level, const union lmv_mds_md *lmv)
{
const struct lmv_mds_md_v1 *lmm1;
+ const struct lmv_foreign_md *lfm;
int i;
if (likely(!cfs_cdebug_show(level, DEBUG_SUBSYSTEM)))
return;
+ /* foreign LMV case */
+ lfm = &lmv->lmv_foreign_md;
+ if (le32_to_cpu(lfm->lfm_magic) == LMV_MAGIC_FOREIGN) {
+ CDEBUG_LIMIT(level,
+ "foreign magic 0x%08X, length %u, type %u, flags %u, value '%.*s'\n",
+ le32_to_cpu(lfm->lfm_magic),
+ le32_to_cpu(lfm->lfm_length),
+ le32_to_cpu(lfm->lfm_type),
+ le32_to_cpu(lfm->lfm_flags),
+ le32_to_cpu(lfm->lfm_length), lfm->lfm_value);
+ return;
+ }
+
lmm1 = &lmv->lmv_md_v1;
CDEBUG(level,
"magic 0x%08X, master %#X stripe_count %#x hash_type %#x\n",
req_capsule_shrink(pill, &RMF_LOGCOOKIES, acl_size, RCL_SERVER);
}
- if (req_capsule_has_field(pill, &RMF_CAPA1, RCL_SERVER) &&
- !(body->mbo_valid & OBD_MD_FLMDSCAPA))
- req_capsule_shrink(pill, &RMF_CAPA1, 0, RCL_SERVER);
+ /* Shrink optional SECCTX buffer if it is not used */
+ if (req_capsule_has_field(pill, &RMF_FILE_SECCTX, RCL_SERVER) &&
+ req_capsule_get_size(pill, &RMF_FILE_SECCTX, RCL_SERVER) != 0 &&
+ !(body->mbo_valid & OBD_MD_SECCTX))
+ req_capsule_shrink(pill, &RMF_FILE_SECCTX, 0, RCL_SERVER);
- if (req_capsule_has_field(pill, &RMF_CAPA2, RCL_SERVER) &&
- !(body->mbo_valid & OBD_MD_FLOSSCAPA))
- req_capsule_shrink(pill, &RMF_CAPA2, 0, RCL_SERVER);
+ /* Shrink optional ENCCTX buffer if it is not used */
+ if (req_capsule_has_field(pill, &RMF_FILE_ENCCTX, RCL_SERVER) &&
+ req_capsule_get_size(pill, &RMF_FILE_ENCCTX, RCL_SERVER) != 0 &&
+ !(body->mbo_valid & OBD_MD_ENCCTX))
+ req_capsule_shrink(pill, &RMF_FILE_ENCCTX, 0, RCL_SERVER);
- /*
- * Some more field should be shrinked if needed.
- * This should be done by those who added fields to reply message.
- */
+ /*
+ * Some more field should be shrinked if needed.
+ * This should be done by those who added fields to reply message.
+ */
- /* Grow MD buffer if needed finally */
+ /* Grow MD buffer if needed finally */
if (info->mti_big_lmm_used) {
void *lmm;
.hai_cookie = 0,
.hai_gid = 0,
};
- __u64 compound_id;
int archive_id;
ENTRY;
* file is unlinked, file is archived, so create remove request
* for copytool!
* If CDT is not running, requests will be logged for later. */
- compound_id = atomic_inc_return(&cdt->cdt_compound_id);
if (ma->ma_hsm.mh_arch_id != 0)
archive_id = ma->ma_hsm.mh_arch_id;
else
hai.hai_fid = *mdt_object_fid(mo);
- rc = mdt_agent_record_add(info->mti_env, info->mti_mdt,
- compound_id, archive_id, 0, &hai);
+ rc = mdt_agent_record_add(info->mti_env, info->mti_mdt, archive_id, 0,
+ &hai);
if (rc)
CERROR("%s: unable to add HSM remove request for "DFID
": rc=%d\n", mdt_obd_name(info->mti_mdt),
out |= LA_KILL_SGID;
if (in & MDS_ATTR_PROJID)
out |= LA_PROJID;
+ if (in & MDS_ATTR_LSIZE)
+ out |= LA_LSIZE;
+ if (in & MDS_ATTR_LBLOCKS)
+ out |= LA_LBLOCKS;
if (in & MDS_ATTR_FROM_OPEN)
rr->rr_flags |= MRF_OPEN_TRUNC;
- if (in & MDS_OPEN_OWNEROVERRIDE)
+ if (in & MDS_ATTR_OVERRIDE)
ma->ma_attr_flags |= MDS_OWNEROVERRIDE;
if (in & MDS_ATTR_FORCE)
ma->ma_attr_flags |= MDS_PERM_BYPASS;
MDS_ATTR_ATIME_SET | MDS_ATTR_CTIME_SET | MDS_ATTR_MTIME_SET |
MDS_ATTR_SIZE | MDS_ATTR_BLOCKS | MDS_ATTR_ATTR_FLAG |
MDS_ATTR_FORCE | MDS_ATTR_KILL_SUID | MDS_ATTR_KILL_SGID |
- MDS_ATTR_FROM_OPEN | MDS_OPEN_OWNEROVERRIDE);
+ MDS_ATTR_FROM_OPEN | MDS_ATTR_LSIZE | MDS_ATTR_LBLOCKS |
+ MDS_ATTR_OVERRIDE);
if (in != 0)
- CERROR("Unknown attr bits: %#llx\n", in);
+ CDEBUG(D_INFO, "Unknown attr bits: %#llx\n", in);
return out;
}
if (name_size == 0)
return 0;
+ if (name_size > XATTR_NAME_MAX + 1)
+ return -EPROTO;
+
name = req_capsule_client_get(pill, &RMF_FILE_SECCTX_NAME);
if (strnlen(name, name_size) != name_size - 1)
return -EPROTO;
return 0;
}
+static int mdt_file_encctx_unpack(struct req_capsule *pill,
+ void **encctx, size_t *encctx_size)
+{
+ *encctx = NULL;
+ *encctx_size = 0;
+
+ if (!exp_connect_encrypt(pill->rc_req->rq_export))
+ return 0;
+
+ if (!req_capsule_has_field(pill, &RMF_FILE_ENCCTX, RCL_CLIENT) ||
+ !req_capsule_field_present(pill, &RMF_FILE_ENCCTX, RCL_CLIENT))
+ return -EPROTO;
+
+ *encctx_size = req_capsule_get_size(pill, &RMF_FILE_ENCCTX, RCL_CLIENT);
+ if (*encctx_size == 0)
+ return 0;
+
+ *encctx = req_capsule_client_get(pill, &RMF_FILE_ENCCTX);
+
+ return 0;
+}
+
static int mdt_setattr_unpack_rec(struct mdt_thread_info *info)
{
struct lu_ucred *uc = mdt_ucred(info);
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
la->la_mtime = rec->sa_mtime;
ma->ma_valid = MA_INODE;
- if (rec->sa_bias & MDS_DATA_MODIFIED)
- ma->ma_attr_flags |= MDS_DATA_MODIFIED;
- else
- ma->ma_attr_flags &= ~MDS_DATA_MODIFIED;
-
- ma->ma_attr_flags &= ~MDS_CLOSE_INTENT;
- ma->ma_attr_flags |= rec->sa_bias & MDS_CLOSE_INTENT;
+ ma->ma_attr_flags |= rec->sa_bias & (MDS_CLOSE_INTENT |
+ MDS_DATA_MODIFIED | MDS_TRUNC_KEEP_LEASE |
+ MDS_PCC_ATTACH);
RETURN(0);
}
if (ioepoch == NULL)
RETURN(-EPROTO);
- info->mti_close_handle = ioepoch->mio_handle;
+ info->mti_open_handle = ioepoch->mio_open_handle;
RETURN(0);
}
rr->rr_eadata = req_capsule_client_get(pill, &RMF_EADATA);
rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
RCL_CLIENT);
+
if (rr->rr_eadatalen > 0) {
const struct lmv_user_md *lum;
struct mdt_rec_create *rec;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = info->mti_pill;
- struct md_op_spec *sp = &info->mti_spec;
+ struct req_capsule *pill = info->mti_pill;
+ struct md_op_spec *sp = &info->mti_spec;
int rc;
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
if (rc < 0)
RETURN(rc);
+ rc = mdt_file_encctx_unpack(pill, &sp->sp_cr_file_encctx,
+ &sp->sp_cr_file_encctx_size);
+ if (rc < 0)
+ RETURN(rc);
+
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
+
rc = mdt_dlmreq_unpack(info);
RETURN(rc);
}
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
if (rc < 0)
RETURN(rc);
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
+
rc = mdt_dlmreq_unpack(info);
RETURN(rc);
{
struct lu_ucred *uc = mdt_ucred(info);
struct mdt_rec_unlink *rec;
- struct md_attr *ma = &info->mti_attr;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
- struct req_capsule *pill = info->mti_pill;
+ struct req_capsule *pill = info->mti_pill;
int rc;
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
uc->uc_suppgids[0] = rec->ul_suppgid1;
uc->uc_suppgids[1] = -1;
- attr->la_uid = rec->ul_fsuid;
- attr->la_gid = rec->ul_fsgid;
- rr->rr_fid1 = &rec->ul_fid1;
- rr->rr_fid2 = &rec->ul_fid2;
- attr->la_ctime = rec->ul_time;
- attr->la_mtime = rec->ul_time;
- attr->la_mode = rec->ul_mode;
- attr->la_valid = LA_UID | LA_GID | LA_CTIME | LA_MTIME | LA_MODE;
+ attr->la_uid = rec->ul_fsuid;
+ attr->la_gid = rec->ul_fsgid;
+ rr->rr_fid1 = &rec->ul_fid1;
+ rr->rr_fid2 = &rec->ul_fid2;
+ attr->la_ctime = rec->ul_time;
+ attr->la_mtime = rec->ul_time;
+ attr->la_mode = rec->ul_mode;
+ attr->la_valid = LA_UID | LA_GID | LA_CTIME | LA_MTIME | LA_MODE;
rc = mdt_name_unpack(pill, &RMF_NAME, &rr->rr_name, 0);
if (rc < 0)
RETURN(rc);
- if (rec->ul_bias & MDS_VTX_BYPASS)
- ma->ma_attr_flags |= MDS_VTX_BYPASS;
- else
- ma->ma_attr_flags &= ~MDS_VTX_BYPASS;
-
info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info));
- rc = mdt_dlmreq_unpack(info);
- RETURN(rc);
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
+
+ rc = mdt_dlmreq_unpack(info);
+ RETURN(rc);
}
static int mdt_rmentry_unpack(struct mdt_thread_info *info)
{
struct lu_ucred *uc = mdt_ucred(info);
struct mdt_rec_rename *rec;
- struct md_attr *ma = &info->mti_attr;
struct lu_attr *attr = &info->mti_attr.ma_attr;
struct mdt_reint_record *rr = &info->mti_rr;
struct req_capsule *pill = info->mti_pill;
+ struct md_op_spec *spec = &info->mti_spec;
int rc;
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
uc->uc_suppgids[0] = rec->rn_suppgid1;
uc->uc_suppgids[1] = rec->rn_suppgid2;
- attr->la_uid = rec->rn_fsuid;
- attr->la_gid = rec->rn_fsgid;
- rr->rr_fid1 = &rec->rn_fid1;
- rr->rr_fid2 = &rec->rn_fid2;
- attr->la_ctime = rec->rn_time;
- attr->la_mtime = rec->rn_time;
- /* rename_tgt contains the mode already */
- attr->la_mode = rec->rn_mode;
- attr->la_valid = LA_UID | LA_GID | LA_CTIME | LA_MTIME | LA_MODE;
+ attr->la_uid = rec->rn_fsuid;
+ attr->la_gid = rec->rn_fsgid;
+ rr->rr_fid1 = &rec->rn_fid1;
+ rr->rr_fid2 = &rec->rn_fid2;
+ attr->la_ctime = rec->rn_time;
+ attr->la_mtime = rec->rn_time;
+ /* rename_tgt contains the mode already */
+ attr->la_mode = rec->rn_mode;
+ attr->la_valid = LA_UID | LA_GID | LA_CTIME | LA_MTIME | LA_MODE;
rc = mdt_name_unpack(pill, &RMF_NAME, &rr->rr_name, 0);
if (rc < 0)
if (rc < 0)
RETURN(rc);
- if (rec->rn_bias & MDS_VTX_BYPASS)
- ma->ma_attr_flags |= MDS_VTX_BYPASS;
- else
- ma->ma_attr_flags &= ~MDS_VTX_BYPASS;
+ spec->no_create = !!req_is_replay(mdt_info_req(info));
+
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
+
+ rc = mdt_dlmreq_unpack(info);
+
+ RETURN(rc);
+}
+
+static int mdt_migrate_unpack(struct mdt_thread_info *info)
+{
+ struct lu_ucred *uc = mdt_ucred(info);
+ struct mdt_rec_rename *rec;
+ struct lu_attr *attr = &info->mti_attr.ma_attr;
+ struct mdt_reint_record *rr = &info->mti_rr;
+ struct req_capsule *pill = info->mti_pill;
+ struct md_op_spec *spec = &info->mti_spec;
+ int rc;
+
+ ENTRY;
+
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
+ rec = req_capsule_client_get(pill, &RMF_REC_REINT);
+ if (rec == NULL)
+ RETURN(-EFAULT);
+
+ /* This prior initialization is needed for old_init_ucred_reint() */
+ uc->uc_fsuid = rec->rn_fsuid;
+ uc->uc_fsgid = rec->rn_fsgid;
+ uc->uc_cap = rec->rn_cap;
+ uc->uc_suppgids[0] = rec->rn_suppgid1;
+ uc->uc_suppgids[1] = rec->rn_suppgid2;
+
+ attr->la_uid = rec->rn_fsuid;
+ attr->la_gid = rec->rn_fsgid;
+ rr->rr_fid1 = &rec->rn_fid1;
+ rr->rr_fid2 = &rec->rn_fid2;
+ attr->la_ctime = rec->rn_time;
+ attr->la_mtime = rec->rn_time;
+ /* rename_tgt contains the mode already */
+ attr->la_mode = rec->rn_mode;
+ attr->la_valid = LA_UID | LA_GID | LA_CTIME | LA_MTIME | LA_MODE;
+ spec->sp_cr_flags = 0;
- if (rec->rn_bias & MDS_RENAME_MIGRATE) {
- req_capsule_extend(info->mti_pill, &RQF_MDS_REINT_MIGRATE);
+ rc = mdt_name_unpack(pill, &RMF_NAME, &rr->rr_name, 0);
+ if (rc < 0)
+ RETURN(rc);
+
+ if (rec->rn_bias & MDS_CLOSE_MIGRATE) {
rc = mdt_close_handle_unpack(info);
- if (rc < 0)
+ if (rc)
RETURN(rc);
- info->mti_spec.sp_migrate_close = 1;
- }
- info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info));
+ spec->sp_migrate_close = 1;
+ } else {
+ spec->sp_migrate_close = 0;
+ }
+ spec->sp_migrate_nsonly = 0;
+
+ /* lustre version > 2.11 migration packs lum */
+ if (req_capsule_has_field(pill, &RMF_EADATA, RCL_CLIENT)) {
+ if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
+ rr->rr_eadatalen = req_capsule_get_size(pill,
+ &RMF_EADATA,
+ RCL_CLIENT);
+
+ if (rr->rr_eadatalen > 0) {
+ rr->rr_eadata = req_capsule_client_get(pill,
+ &RMF_EADATA);
+ spec->u.sp_ea.eadatalen = rr->rr_eadatalen;
+ spec->u.sp_ea.eadata = rr->rr_eadata;
+ spec->sp_cr_flags |= MDS_OPEN_HAS_EA;
+ }
+ } else {
+ /* old client doesn't provide lum. */
+ RETURN(-EOPNOTSUPP);
+ }
+ }
+ spec->no_create = !!req_is_replay(mdt_info_req(info));
rc = mdt_dlmreq_unpack(info);
int rc;
ENTRY;
- CLASSERT(sizeof(struct mdt_rec_create) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(struct mdt_rec_create) !=
+ sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
uc->uc_suppgids[1] = rec->cr_suppgid2;
uc->uc_umask = rec->cr_umask;
- rr->rr_fid1 = &rec->cr_fid1;
- rr->rr_fid2 = &rec->cr_fid2;
- rr->rr_handle = &rec->cr_old_handle;
- attr->la_mode = rec->cr_mode;
- attr->la_rdev = rec->cr_rdev;
- attr->la_uid = rec->cr_fsuid;
- attr->la_gid = rec->cr_fsgid;
- attr->la_ctime = rec->cr_time;
- attr->la_mtime = rec->cr_time;
- attr->la_atime = rec->cr_time;
- attr->la_valid = LA_MODE | LA_RDEV | LA_UID | LA_GID |
- LA_CTIME | LA_MTIME | LA_ATIME;
+ rr->rr_fid1 = &rec->cr_fid1;
+ rr->rr_fid2 = &rec->cr_fid2;
+ rr->rr_open_handle = &rec->cr_open_handle_old;
+ attr->la_mode = rec->cr_mode;
+ attr->la_rdev = rec->cr_rdev;
+ attr->la_uid = rec->cr_fsuid;
+ attr->la_gid = rec->cr_fsgid;
+ attr->la_ctime = rec->cr_time;
+ attr->la_mtime = rec->cr_time;
+ attr->la_atime = rec->cr_time;
+ attr->la_valid = LA_MODE | LA_RDEV | LA_UID | LA_GID |
+ LA_CTIME | LA_MTIME | LA_ATIME;
memset(&info->mti_spec.u, 0, sizeof(info->mti_spec.u));
info->mti_spec.sp_cr_flags = get_mrc_cr_flags(rec);
/* Do not trigger ASSERTION if client miss to set such flags. */
if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
RCL_CLIENT);
+
if (rr->rr_eadatalen > 0) {
rr->rr_eadata = req_capsule_client_get(pill,
&RMF_EADATA);
sp->u.sp_ea.eadatalen = rr->rr_eadatalen;
sp->u.sp_ea.eadata = rr->rr_eadata;
+ sp->sp_archive_id = rec->cr_archive_id;
sp->no_create = !!req_is_replay(req);
mdt_fix_lov_magic(info, rr->rr_eadata);
}
rc = mdt_file_secctx_unpack(pill, &sp->sp_cr_file_secctx_name,
&sp->sp_cr_file_secctx,
&sp->sp_cr_file_secctx_size);
+ if (rc < 0)
+ RETURN(rc);
+
+ rc = mdt_file_encctx_unpack(pill, &sp->sp_cr_file_encctx,
+ &sp->sp_cr_file_encctx_size);
+ if (rc < 0)
+ RETURN(rc);
+
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
RETURN(rc);
}
ENTRY;
- CLASSERT(sizeof(struct mdt_rec_setxattr) ==
- sizeof(struct mdt_rec_reint));
-
+ BUILD_BUG_ON(sizeof(struct mdt_rec_setxattr) !=
+ sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
if (req_capsule_field_present(pill, &RMF_EADATA, RCL_CLIENT)) {
rr->rr_eadatalen = req_capsule_get_size(pill, &RMF_EADATA,
RCL_CLIENT);
+
+ if (rr->rr_eadatalen > info->mti_mdt->mdt_max_ea_size)
+ RETURN(-E2BIG);
+
if (rr->rr_eadatalen > 0) {
rr->rr_eadata = req_capsule_client_get(pill,
&RMF_EADATA);
RETURN(-EFAULT);
}
+ rc = req_check_sepol(pill);
+ if (rc)
+ RETURN(rc);
+
if (mdt_dlmreq_unpack(info) < 0)
RETURN(-EPROTO);
struct mdt_rec_resync *rec;
ENTRY;
- CLASSERT(sizeof(*rec) == sizeof(struct mdt_rec_reint));
+ BUILD_BUG_ON(sizeof(*rec) != sizeof(struct mdt_rec_reint));
rec = req_capsule_client_get(pill, &RMF_REC_REINT);
if (rec == NULL)
RETURN(-EFAULT);
uc->uc_cap = rec->rs_cap;
rr->rr_fid1 = &rec->rs_fid;
+ rr->rr_mirror_id = rec->rs_mirror_id;
/* cookie doesn't need to be swapped but it has been swapped
* in lustre_swab_mdt_rec_reint() as rr_mtime, so here it needs
* restoring. */
if (ptlrpc_req_need_swab(mdt_info_req(info)))
- __swab64s(&rec->rs_handle.cookie);
- rr->rr_handle = &rec->rs_handle;
+ __swab64s(&rec->rs_lease_handle.cookie);
+ rr->rr_lease_handle = &rec->rs_lease_handle;
RETURN(mdt_dlmreq_unpack(info));
}
[REINT_OPEN] = mdt_open_unpack,
[REINT_SETXATTR] = mdt_setxattr_unpack,
[REINT_RMENTRY] = mdt_rmentry_unpack,
- [REINT_MIGRATE] = mdt_rename_unpack,
+ [REINT_MIGRATE] = mdt_migrate_unpack,
[REINT_RESYNC] = mdt_resync_unpack,
};
}
RETURN(rc);
}
+
+int mdt_pack_secctx_in_reply(struct mdt_thread_info *info,
+ struct mdt_object *child)
+{
+ char *secctx_name;
+ struct lu_buf *buffer;
+ struct mdt_body *repbody;
+ struct req_capsule *pill = info->mti_pill;
+ int rc = 0;
+
+ if (req_capsule_has_field(pill, &RMF_FILE_SECCTX, RCL_SERVER) &&
+ req_capsule_get_size(pill, &RMF_FILE_SECCTX, RCL_SERVER) != 0) {
+ secctx_name =
+ req_capsule_client_get(pill, &RMF_FILE_SECCTX_NAME);
+ buffer = &info->mti_buf;
+
+ /* fill reply buffer with security context now */
+ buffer->lb_len = req_capsule_get_size(pill, &RMF_FILE_SECCTX,
+ RCL_SERVER);
+ buffer->lb_buf = req_capsule_server_get(info->mti_pill,
+ &RMF_FILE_SECCTX);
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(child),
+ buffer, secctx_name);
+ if (rc >= 0) {
+ CDEBUG(D_SEC,
+ "found security context of size %d for "DFID"\n",
+ rc, PFID(mdt_object_fid(child)));
+
+ repbody = req_capsule_server_get(pill, &RMF_MDT_BODY);
+ repbody->mbo_valid |= OBD_MD_SECCTX;
+ if (rc < buffer->lb_len)
+ req_capsule_shrink(pill, &RMF_FILE_SECCTX, rc,
+ RCL_SERVER);
+ rc = 0;
+ } else {
+ CDEBUG(D_SEC,
+ "security context not found for "DFID": rc = %d\n",
+ PFID(mdt_object_fid(child)), rc);
+ req_capsule_shrink(pill, &RMF_FILE_SECCTX, 0,
+ RCL_SERVER);
+ /* handling -ENOENT is important because it may change
+ * object state in DNE env dropping LOHA_EXISTS flag,
+ * it is important to return that to the caller.
+ * Check LU-13115 for details.
+ */
+ if (rc != -ENOENT)
+ rc = 0;
+ }
+ }
+ return rc;
+}
+
+/* check whether two FIDs belong to different MDT. */
+static int mdt_fids_different_target(struct mdt_thread_info *info,
+ const struct lu_fid *fid1,
+ const struct lu_fid *fid2)
+{
+ const struct lu_env *env = info->mti_env;
+ struct mdt_device *mdt = info->mti_mdt;
+ struct lu_seq_range *range = &info->mti_range;
+ struct seq_server_site *ss;
+ __u32 index1, index2;
+ int rc;
+
+ if (fid_seq(fid1) == fid_seq(fid2))
+ return 0;
+
+ ss = mdt->mdt_lu_dev.ld_site->ld_seq_site;
+
+ range->lsr_flags = LU_SEQ_RANGE_MDT;
+ rc = fld_server_lookup(env, ss->ss_server_fld, fid1->f_seq, range);
+ if (rc)
+ return rc;
+
+ index1 = range->lsr_index;
+
+ rc = fld_server_lookup(env, ss->ss_server_fld, fid2->f_seq, range);
+ if (rc)
+ return rc;
+
+ index2 = range->lsr_index;
+
+ return index1 != index2;
+}
+
+/**
+ * Check whether \a child is remote object on \a parent.
+ *
+ * \param[in] info thread environment
+ * \param[in] parent parent object, it's the same as child object in
+ * getattr_by_fid
+ * \param[in] child child object
+ *
+ * \retval 1 is remote object.
+ * \retval 0 isn't remote object.
+ * \retval < 1 error code
+ */
+int mdt_is_remote_object(struct mdt_thread_info *info,
+ struct mdt_object *parent,
+ struct mdt_object *child)
+{
+ struct lu_buf *buf = &info->mti_big_buf;
+ struct linkea_data ldata = { NULL };
+ struct link_ea_header *leh;
+ struct link_ea_entry *lee;
+ struct lu_name name;
+ struct lu_fid pfid;
+ int reclen;
+ int i;
+ int rc;
+
+ ENTRY;
+
+ if (fid_is_root(mdt_object_fid(child)))
+ RETURN(0);
+
+ if (likely(parent != child)) {
+ if (mdt_object_remote(parent) ^ mdt_object_remote(child))
+ RETURN(1);
+
+ if (!mdt_object_remote(parent) && !mdt_object_remote(child))
+ RETURN(0);
+
+ rc = mdt_fids_different_target(info, mdt_object_fid(parent),
+ mdt_object_fid(child));
+ RETURN(rc);
+ }
+
+ /* client < 2.13.52 getattr_by_fid parent and child are the same */
+ buf = lu_buf_check_and_alloc(buf, PATH_MAX);
+ if (!buf->lb_buf)
+ RETURN(-ENOMEM);
+
+ ldata.ld_buf = buf;
+ rc = mdt_links_read(info, child, &ldata);
+ /* can't read linkea, just assume it's remote object */
+ if (rc == -ENOENT || rc == -ENODATA)
+ RETURN(1);
+ if (rc)
+ RETURN(rc);
+
+ leh = buf->lb_buf;
+ lee = (struct link_ea_entry *)(leh + 1);
+ for (i = 0; i < leh->leh_reccount; i++) {
+ linkea_entry_unpack(lee, &reclen, &name, &pfid);
+ lee = (struct link_ea_entry *) ((char *)lee + reclen);
+ if (mdt_fids_different_target(info, &pfid,
+ mdt_object_fid(child)))
+ RETURN(1);
+ }
+
+ RETURN(0);
+}
+
+int mdt_pack_encctx_in_reply(struct mdt_thread_info *info,
+ struct mdt_object *child)
+{
+ struct lu_buf *buffer;
+ struct mdt_body *repbody;
+ struct req_capsule *pill = info->mti_pill;
+ struct obd_export *exp = mdt_info_req(info)->rq_export;
+ int rc = 0;
+
+ if (!exp_connect_encrypt(exp))
+ return rc;
+
+ if (req_capsule_has_field(pill, &RMF_FILE_ENCCTX, RCL_SERVER) &&
+ req_capsule_get_size(pill, &RMF_FILE_ENCCTX, RCL_SERVER) != 0) {
+ struct lu_attr la = { 0 };
+ struct dt_object *dt = mdt_obj2dt(child);
+
+ if (dt && dt->do_ops && dt->do_ops->do_attr_get)
+ dt_attr_get(info->mti_env, mdt_obj2dt(child), &la);
+
+ if (la.la_valid & LA_FLAGS && la.la_flags & LUSTRE_ENCRYPT_FL) {
+ buffer = &info->mti_buf;
+
+ /* fill reply buffer with encryption context now */
+ buffer->lb_len =
+ req_capsule_get_size(pill, &RMF_FILE_ENCCTX,
+ RCL_SERVER);
+ buffer->lb_buf =
+ req_capsule_server_get(pill, &RMF_FILE_ENCCTX);
+ rc = mo_xattr_get(info->mti_env,
+ mdt_object_child(child),
+ buffer,
+ LL_XATTR_NAME_ENCRYPTION_CONTEXT);
+ if (rc >= 0) {
+ CDEBUG(D_SEC,
+ "found encryption ctx of size %d for "DFID"\n",
+ rc, PFID(mdt_object_fid(child)));
+
+ repbody = req_capsule_server_get(pill,
+ &RMF_MDT_BODY);
+ repbody->mbo_valid |= OBD_MD_ENCCTX;
+ if (rc < buffer->lb_len)
+ req_capsule_shrink(pill,
+ &RMF_FILE_ENCCTX, rc,
+ RCL_SERVER);
+ rc = 0;
+ } else {
+ CDEBUG(D_SEC,
+ "encryption ctx not found for "DFID": rc = %d\n",
+ PFID(mdt_object_fid(child)), rc);
+ req_capsule_shrink(pill, &RMF_FILE_ENCCTX, 0,
+ RCL_SERVER);
+ /* handling -ENOENT is important because it may
+ * change object state in DNE env dropping
+ * LOHA_EXISTS flag, it is important to return
+ * that to the caller.
+ * Check LU-13115 for details.
+ */
+ if (rc != -ENOENT)
+ rc = 0;
+ }
+ } else {
+ req_capsule_shrink(pill, &RMF_FILE_ENCCTX, 0,
+ RCL_SERVER);
+ }
+ }
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff