X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdt%2Fmdt_lib.c;h=a7d51307673f7d79bc39b26c9a5e1f4e6b9cfa26;hp=07f367153e6e8877e4f3b472cdea50eb39d719ed;hb=cb61ed93f8563c26b6a6db396478fe54f8dc42cb;hpb=2e4e60234028743404a302893fb1aa9f8d6a95e7 diff --git a/lustre/mdt/mdt_lib.c b/lustre/mdt/mdt_lib.c index 07f3671..a7d5130 100644 --- a/lustre/mdt/mdt_lib.c +++ b/lustre/mdt/mdt_lib.c @@ -23,7 +23,7 @@ * 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/ @@ -49,7 +49,7 @@ # include #endif #include "mdt_internal.h" -#include +#include #include typedef enum ucred_init_type { @@ -141,33 +141,92 @@ static void ucred_set_jobid(struct mdt_thread_info *info, struct lu_ucred *uc) 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) { - struct ptlrpc_request *req = mdt_info_req(info); - struct mdt_device *mdt = info->mti_mdt; - struct ptlrpc_user_desc *pud = req->rq_user_desc; - struct lu_ucred *ucred = mdt_ucred(info); - lnet_nid_t peernid = req->rq_peer.nid; - __u32 perm = 0; - int setuid; - int setgid; - int rc = 0; + struct ptlrpc_request *req = mdt_info_req(info); + struct mdt_device *mdt = info->mti_mdt; + struct ptlrpc_user_desc *pud = req->rq_user_desc; + struct lu_ucred *ucred = mdt_ucred(info); + struct lu_nodemap *nodemap; + lnet_nid_t peernid = req->rq_peer.nid; + __u32 perm = 0; + int setuid; + int setgid; + bool is_nm_gid_squashed = false; + int rc = 0; - ENTRY; + ENTRY; - LASSERT(req->rq_auth_gss); - LASSERT(!req->rq_auth_usr_mdt); - LASSERT(req->rq_user_desc); + LASSERT(req->rq_auth_gss); + LASSERT(!req->rq_auth_usr_mdt); + LASSERT(req->rq_user_desc); LASSERT(ucred != NULL); ucred->uc_valid = UCRED_INVALID; - ucred->uc_o_uid = pud->pud_uid; - ucred->uc_o_gid = pud->pud_gid; + nodemap = nodemap_get_from_exp(info->mti_exp); + if (IS_ERR(nodemap)) + RETURN(PTR_ERR(nodemap)); + + pud->pud_uid = nodemap_map_id(nodemap, NODEMAP_UID, + NODEMAP_CLIENT_TO_FS, pud->pud_uid); + pud->pud_gid = nodemap_map_id(nodemap, NODEMAP_GID, + NODEMAP_CLIENT_TO_FS, pud->pud_gid); + pud->pud_fsuid = nodemap_map_id(nodemap, NODEMAP_UID, + NODEMAP_CLIENT_TO_FS, pud->pud_fsuid); + pud->pud_fsgid = nodemap_map_id(nodemap, NODEMAP_GID, + NODEMAP_CLIENT_TO_FS, pud->pud_fsgid); + + ucred->uc_o_uid = pud->pud_uid; + ucred->uc_o_gid = pud->pud_gid; ucred->uc_o_fsuid = pud->pud_fsuid; ucred->uc_o_fsgid = pud->pud_fsgid; + if (nodemap && ucred->uc_o_uid == nodemap->nm_squash_uid) { + /* deny access before we get identity ref */ + if (nodemap->nmf_deny_unknown) { + nodemap_putref(nodemap); + 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) { struct mdt_body *body = (struct mdt_body *)buf; @@ -217,24 +276,25 @@ static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type, (ucred->uc_identity && (pud->pud_gid != ucred->uc_identity->mi_gid))); - /* check permission of setuid */ - if (setuid && !(perm & CFS_SETUID_PERM)) { - CDEBUG(D_SEC, "mdt blocked setuid attempt (%u -> %u) from %s\n", - pud->pud_uid, pud->pud_fsuid, libcfs_nid2str(peernid)); - GOTO(out, rc = -EACCES); - } + /* check permission of setuid */ + if (setuid && !(perm & CFS_SETUID_PERM)) { + CDEBUG(D_SEC, "mdt blocked setuid attempt (%u -> %u) from %s\n", + pud->pud_uid, pud->pud_fsuid, libcfs_nid2str(peernid)); + GOTO(out, rc = -EACCES); + } - /* check permission of setgid */ - if (setgid && !(perm & CFS_SETGID_PERM)) { + /* check permission of setgid */ + if (setgid && !(perm & CFS_SETGID_PERM)) { CDEBUG(D_SEC, "mdt blocked setgid attempt (%u:%u/%u:%u -> %u) " "from %s\n", pud->pud_uid, pud->pud_gid, pud->pud_fsuid, pud->pud_fsgid, ucred->uc_identity->mi_gid, libcfs_nid2str(peernid)); GOTO(out, rc = -EACCES); - } + } 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) { @@ -247,6 +307,8 @@ static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type, 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 { @@ -255,8 +317,8 @@ static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type, ucred->uc_ginfo = NULL; } - ucred->uc_uid = pud->pud_uid; - ucred->uc_gid = pud->pud_gid; + ucred->uc_uid = pud->pud_uid; + ucred->uc_gid = pud->pud_gid; ucred->uc_fsuid = pud->pud_fsuid; ucred->uc_fsgid = pud->pud_fsgid; @@ -270,6 +332,8 @@ static int new_init_ucred(struct mdt_thread_info *info, ucred_init_type_t type, 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; @@ -442,6 +506,8 @@ static int old_init_ucred_common(struct mdt_thread_info *info, 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; @@ -576,18 +642,23 @@ int mdt_init_ucred_reint(struct mdt_thread_info *info) /* copied from lov/lov_ea.c, just for debugging, will be removed later */ void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid) { - const struct lov_ost_data_v1 *lod; - int i; - __u16 count; + const struct lov_ost_data_v1 *lod; + __u32 lmm_magic = le32_to_cpu(lmm->lmm_magic); + __u16 count; + int i; if (likely(!cfs_cdebug_show(level, DEBUG_SUBSYSTEM))) return; - count = le16_to_cpu(((struct lov_user_md *)lmm)->lmm_stripe_count); - CDEBUG(level, "objid "DOSTID", magic 0x%08X, pattern %#X\n", - POSTID(&lmm->lmm_oi), le32_to_cpu(lmm->lmm_magic), + POSTID(&lmm->lmm_oi), lmm_magic, le32_to_cpu(lmm->lmm_pattern)); + + /* No support for compount layouts yet */ + if (lmm_magic != LOV_MAGIC_V1 && lmm_magic != LOV_MAGIC_V3) + return; + + count = le16_to_cpu(((struct lov_user_md *)lmm)->lmm_stripe_count); CDEBUG(level, "stripe_size=0x%x, stripe_count=0x%x\n", le32_to_cpu(lmm->lmm_stripe_size), count); @@ -610,11 +681,25 @@ void mdt_dump_lmm(int level, const struct lov_mds_md *lmm, __u64 valid) 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", @@ -705,20 +790,18 @@ int mdt_fix_reply(struct mdt_thread_info *info) 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); - - 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 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); - /* - * 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; @@ -796,7 +879,6 @@ int mdt_handle_last_unlink(struct mdt_thread_info *info, struct mdt_object *mo, .hai_cookie = 0, .hai_gid = 0, }; - __u64 compound_id; int archive_id; ENTRY; @@ -866,7 +948,6 @@ int mdt_handle_last_unlink(struct mdt_thread_info *info, struct mdt_object *mo, * 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 @@ -874,8 +955,8 @@ int mdt_handle_last_unlink(struct mdt_thread_info *info, struct mdt_object *mo, 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), @@ -914,10 +995,14 @@ static __u64 mdt_attr_valid_xlate(__u64 in, struct mdt_reint_record *rr, 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; @@ -927,9 +1012,10 @@ static __u64 mdt_attr_valid_xlate(__u64 in, struct mdt_reint_record *rr, 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; } @@ -999,19 +1085,20 @@ static int mdt_file_secctx_unpack(struct req_capsule *pill, static int mdt_setattr_unpack_rec(struct mdt_thread_info *info) { - struct lu_ucred *uc = mdt_ucred(info); - struct md_attr *ma = &info->mti_attr; - struct lu_attr *la = &ma->ma_attr; - struct req_capsule *pill = info->mti_pill; - struct mdt_reint_record *rr = &info->mti_rr; - struct mdt_rec_setattr *rec; - struct lu_nodemap *nodemap; - ENTRY; + struct lu_ucred *uc = mdt_ucred(info); + struct md_attr *ma = &info->mti_attr; + struct lu_attr *la = &ma->ma_attr; + struct req_capsule *pill = info->mti_pill; + struct mdt_reint_record *rr = &info->mti_rr; + struct mdt_rec_setattr *rec; + struct lu_nodemap *nodemap; - CLASSERT(sizeof(struct mdt_rec_setattr)== sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + ENTRY; + + CLASSERT(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->sa_fsuid; @@ -1043,21 +1130,8 @@ static int mdt_setattr_unpack_rec(struct mdt_thread_info *info) 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; - - if (rec->sa_bias & MDS_HSM_RELEASE) - ma->ma_attr_flags |= MDS_HSM_RELEASE; - else - ma->ma_attr_flags &= ~MDS_HSM_RELEASE; - - if (rec->sa_bias & MDS_CLOSE_LAYOUT_SWAP) - ma->ma_attr_flags |= MDS_CLOSE_LAYOUT_SWAP; - else - ma->ma_attr_flags &= ~MDS_CLOSE_LAYOUT_SWAP; - + ma->ma_attr_flags |= rec->sa_bias & (MDS_CLOSE_INTENT | + MDS_DATA_MODIFIED | MDS_TRUNC_KEEP_LEASE); RETURN(0); } @@ -1075,7 +1149,7 @@ static int mdt_close_handle_unpack(struct mdt_thread_info *info) if (ioepoch == NULL) RETURN(-EPROTO); - info->mti_close_handle = ioepoch->mio_handle; + info->mti_open_handle = ioepoch->mio_open_handle; RETURN(0); } @@ -1108,6 +1182,7 @@ static int mdt_setattr_unpack(struct mdt_thread_info *info) 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; @@ -1130,16 +1205,16 @@ static int mdt_setattr_unpack(struct mdt_thread_info *info) RETURN(rc); } -static int mdt_intent_close_unpack(struct mdt_thread_info *info) +static int mdt_close_intent_unpack(struct mdt_thread_info *info) { struct md_attr *ma = &info->mti_attr; struct req_capsule *pill = info->mti_pill; ENTRY; - if (!(ma->ma_attr_flags & (MDS_HSM_RELEASE | MDS_CLOSE_LAYOUT_SWAP))) + if (!(ma->ma_attr_flags & MDS_CLOSE_INTENT)) RETURN(0); - req_capsule_extend(pill, &RQF_MDS_INTENT_CLOSE); + req_capsule_extend(pill, &RQF_MDS_CLOSE_INTENT); if (!(req_capsule_has_field(pill, &RMF_CLOSE_DATA, RCL_CLIENT) && req_capsule_field_present(pill, &RMF_CLOSE_DATA, RCL_CLIENT))) @@ -1161,7 +1236,7 @@ int mdt_close_unpack(struct mdt_thread_info *info) if (rc) RETURN(rc); - rc = mdt_intent_close_unpack(info); + rc = mdt_close_intent_unpack(info); if (rc) RETURN(rc); @@ -1170,19 +1245,20 @@ int mdt_close_unpack(struct mdt_thread_info *info) static int mdt_create_unpack(struct mdt_thread_info *info) { - struct lu_ucred *uc = mdt_ucred(info); - 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; - int rc; - ENTRY; + struct lu_ucred *uc = mdt_ucred(info); + 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; + int rc; - CLASSERT(sizeof(struct mdt_rec_create) == sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + ENTRY; + + CLASSERT(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->cr_fsuid; @@ -1239,24 +1315,29 @@ static int mdt_create_unpack(struct mdt_thread_info *info) if (rc < 0) RETURN(rc); + rc = req_check_sepol(pill); + if (rc) + RETURN(rc); + rc = mdt_dlmreq_unpack(info); RETURN(rc); } static int mdt_link_unpack(struct mdt_thread_info *info) { - struct lu_ucred *uc = mdt_ucred(info); - struct mdt_rec_link *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; - int rc; - ENTRY; + struct lu_ucred *uc = mdt_ucred(info); + struct mdt_rec_link *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; + int rc; - CLASSERT(sizeof(struct mdt_rec_link) == sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + ENTRY; + + CLASSERT(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->lk_fsuid; @@ -1277,6 +1358,10 @@ static int mdt_link_unpack(struct mdt_thread_info *info) if (rc < 0) RETURN(rc); + rc = req_check_sepol(pill); + if (rc) + RETURN(rc); + rc = mdt_dlmreq_unpack(info); RETURN(rc); @@ -1284,19 +1369,19 @@ static int mdt_link_unpack(struct mdt_thread_info *info) static int mdt_unlink_unpack(struct mdt_thread_info *info) { - 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; - int rc; - ENTRY; + struct lu_ucred *uc = mdt_ucred(info); + struct mdt_rec_unlink *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; + int rc; - CLASSERT(sizeof(struct mdt_rec_unlink) == sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + ENTRY; + + CLASSERT(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->ul_fsuid; @@ -1305,28 +1390,27 @@ static int mdt_unlink_unpack(struct mdt_thread_info *info) 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) @@ -1337,19 +1421,20 @@ static int mdt_rmentry_unpack(struct mdt_thread_info *info) static int mdt_rename_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; - int rc; - ENTRY; + 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; - CLASSERT(sizeof(struct mdt_rec_rename) == sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + ENTRY; + + CLASSERT(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; @@ -1358,15 +1443,15 @@ static int mdt_rename_unpack(struct mdt_thread_info *info) 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) @@ -1376,21 +1461,84 @@ static int mdt_rename_unpack(struct mdt_thread_info *info) 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); - if (rec->rn_bias & MDS_RENAME_MIGRATE) { - req_capsule_extend(info->mti_pill, &RQF_MDS_REINT_MIGRATE); + 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; + + CLASSERT(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; + + 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; + + spec->sp_migrate_close = 1; } - info->mti_spec.no_create = !!req_is_replay(mdt_info_req(info)); + /* 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); @@ -1398,7 +1546,7 @@ static int mdt_rename_unpack(struct mdt_thread_info *info) } /* - * please see comment above LOV_MAGIC_V1_DEF + * please see comment above LOV_MAGIC_V1_DEFINED */ void mdt_fix_lov_magic(struct mdt_thread_info *info, void *eadata) { @@ -1408,29 +1556,29 @@ void mdt_fix_lov_magic(struct mdt_thread_info *info, void *eadata) if (unlikely(req_is_replay(mdt_info_req(info)))) { if ((v1->lmm_magic & LOV_MAGIC_MASK) == LOV_MAGIC_MAGIC) - v1->lmm_magic |= LOV_MAGIC_DEF; + v1->lmm_magic |= LOV_MAGIC_DEFINED; else if ((v1->lmm_magic & __swab32(LOV_MAGIC_MAGIC)) == __swab32(LOV_MAGIC_MAGIC)) - v1->lmm_magic |= __swab32(LOV_MAGIC_DEF); + v1->lmm_magic |= __swab32(LOV_MAGIC_DEFINED); } } static int mdt_open_unpack(struct mdt_thread_info *info) { - struct lu_ucred *uc = mdt_ucred(info); - struct mdt_rec_create *rec; - struct lu_attr *attr = &info->mti_attr.ma_attr; - struct req_capsule *pill = info->mti_pill; - struct mdt_reint_record *rr = &info->mti_rr; - struct ptlrpc_request *req = mdt_info_req(info); - struct md_op_spec *sp = &info->mti_spec; + struct lu_ucred *uc = mdt_ucred(info); + struct mdt_rec_create *rec; + struct lu_attr *attr = &info->mti_attr.ma_attr; + struct req_capsule *pill = info->mti_pill; + struct mdt_reint_record *rr = &info->mti_rr; + struct ptlrpc_request *req = mdt_info_req(info); + struct md_op_spec *sp = &info->mti_spec; int rc; - ENTRY; + ENTRY; - CLASSERT(sizeof(struct mdt_rec_create) == sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + CLASSERT(sizeof(struct mdt_rec_create) == 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->cr_fsuid; @@ -1440,18 +1588,18 @@ static int mdt_open_unpack(struct mdt_thread_info *info) 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. */ @@ -1465,6 +1613,7 @@ static int mdt_open_unpack(struct mdt_thread_info *info) 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); @@ -1487,27 +1636,33 @@ static int mdt_open_unpack(struct mdt_thread_info *info) 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 = req_check_sepol(pill); + if (rc) + RETURN(rc); RETURN(rc); } static int mdt_setxattr_unpack(struct mdt_thread_info *info) { - struct mdt_reint_record *rr = &info->mti_rr; - struct lu_ucred *uc = mdt_ucred(info); - struct lu_attr *attr = &info->mti_attr.ma_attr; - struct req_capsule *pill = info->mti_pill; - struct mdt_rec_setxattr *rec; - int rc; + struct mdt_reint_record *rr = &info->mti_rr; + struct lu_ucred *uc = mdt_ucred(info); + struct lu_attr *attr = &info->mti_attr.ma_attr; + struct req_capsule *pill = info->mti_pill; + struct mdt_rec_setxattr *rec; + int rc; ENTRY; - CLASSERT(sizeof(struct mdt_rec_setxattr) == - sizeof(struct mdt_rec_reint)); + CLASSERT(sizeof(struct mdt_rec_setxattr) == + sizeof(struct mdt_rec_reint)); - rec = req_capsule_client_get(pill, &RMF_REC_REINT); - if (rec == NULL) - RETURN(-EFAULT); + 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->sx_fsuid; @@ -1530,6 +1685,10 @@ static int mdt_setxattr_unpack(struct mdt_thread_info *info) 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); @@ -1543,12 +1702,46 @@ static int mdt_setxattr_unpack(struct mdt_thread_info *info) RETURN(-EFAULT); } + rc = req_check_sepol(pill); + if (rc) + RETURN(rc); + if (mdt_dlmreq_unpack(info) < 0) RETURN(-EPROTO); RETURN(0); } +static int mdt_resync_unpack(struct mdt_thread_info *info) +{ + struct req_capsule *pill = info->mti_pill; + struct mdt_reint_record *rr = &info->mti_rr; + struct lu_ucred *uc = mdt_ucred(info); + struct mdt_rec_resync *rec; + ENTRY; + + CLASSERT(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->rs_fsuid; + uc->uc_fsgid = rec->rs_fsgid; + 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_lease_handle.cookie); + rr->rr_lease_handle = &rec->rs_lease_handle; + + RETURN(mdt_dlmreq_unpack(info)); +} typedef int (*reint_unpacker)(struct mdt_thread_info *info); @@ -1561,7 +1754,8 @@ static reint_unpacker mdt_reint_unpackers[REINT_MAX] = { [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, }; int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op) @@ -1579,3 +1773,45 @@ int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op) } RETURN(rc); } + +void 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; + + 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); + } 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); + } + } +}