/* Copyright (c) 2010-2011 Gluster, Inc. This file is part of GlusterFS. This file is licensed to you under your choice of the GNU Lesser General Public License, version 3 or any later version (LGPLv3 or later), or the GNU General Public License, version 2 (GPLv2), in all cases as published by the Free Software Foundation. */ #include "rpcsvc.h" #include #include #include "mount3.h" #include "xdr-nfs3.h" #include "msg-nfs3.h" #include #include "nfs3.h" #include #include #include "nfs-common.h" #include "nfs-fops.h" #include "nfs-inodes.h" #include "nfs-generics.h" #include "nfs3-helpers.h" #include "nfs-mem-types.h" #include "nfs.h" #include "xdr-rpc.h" #include "xdr-generic.h" #include "nfs-messages.h" #include "glfs-internal.h" #include #include #include #include #define nfs3_validate_strlen_or_goto(str, len, label, status, retval) \ do { \ if ((str)) { \ if (strlen((str)) > (len)) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, ENAMETOOLONG, \ NFS_MSG_STR_TOO_LONG, "strlen too long"); \ status = NFS3ERR_NAMETOOLONG; \ retval = -ENAMETOOLONG; \ goto label; \ } \ } \ } while (0); #define nfs3_validate_nfs3_state(request, state, status, label, retval) \ do { \ state = rpcsvc_request_program_private(request); \ if (!state) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, EFAULT, NFS_MSG_STATE_MISSING, \ "NFSv3 state " \ "missing from RPC request"); \ status = NFS3ERR_SERVERFAULT; \ ret = -EFAULT; \ goto label; \ } \ } while (0); struct nfs3_export * __nfs3_get_export_by_index(struct nfs3_state *nfs3, uuid_t exportid) { struct nfs3_export *exp = NULL; int index = 0; int searchindex = 0; searchindex = nfs3_fh_exportid_to_index(exportid); list_for_each_entry(exp, &nfs3->exports, explist) { if (searchindex == index) goto found; ++index; } exp = NULL; gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_INDEX_NOT_FOUND, "searchindex=%d not found", searchindex); found: return exp; } struct nfs3_export * __nfs3_get_export_by_volumeid(struct nfs3_state *nfs3, uuid_t exportid) { struct nfs3_export *exp = NULL; list_for_each_entry(exp, &nfs3->exports, explist) { if (!gf_uuid_compare(exportid, exp->volumeid)) goto found; } exp = NULL; found: return exp; } struct nfs3_export * __nfs3_get_export_by_exportid(struct nfs3_state *nfs3, uuid_t exportid) { struct nfs3_export *exp = NULL; if (!nfs3) return exp; if (gf_nfs_dvm_off(nfs_state(nfs3->nfsx))) exp = __nfs3_get_export_by_index(nfs3, exportid); else exp = __nfs3_get_export_by_volumeid(nfs3, exportid); return exp; } int nfs3_export_access(struct nfs3_state *nfs3, uuid_t exportid) { int ret = GF_NFS3_VOLACCESS_RO; struct nfs3_export *exp = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, err); exp = __nfs3_get_export_by_exportid(nfs3, exportid); if (!exp) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_EXPORT_ID_FAIL, "Failed to get export by ID"); goto err; } ret = exp->access; err: return ret; } #define nfs3_check_rw_volaccess(nfs3state, exid, status, label) \ do { \ if (nfs3_export_access(nfs3state, exid) != GF_NFS3_VOLACCESS_RW) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, EACCES, NFS_MSG_NO_RW_ACCESS, \ "No read-write access"); \ status = NFS3ERR_ROFS; \ goto label; \ } \ } while (0) xlator_t * nfs3_fh_to_xlator(struct nfs3_state *nfs3, struct nfs3_fh *fh) { xlator_t *vol = NULL; struct nfs3_export *exp = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, out); GF_VALIDATE_OR_GOTO(GF_NFS3, fh, out); exp = __nfs3_get_export_by_exportid(nfs3, fh->exportid); if (!exp) goto out; vol = exp->subvol; out: return vol; } int nfs3_is_root_looked_up(struct nfs3_state *nfs3, struct nfs3_fh *rootfh) { struct nfs3_export *exp = NULL; int ret = 0; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, out); GF_VALIDATE_OR_GOTO(GF_NFS3, rootfh, out); exp = __nfs3_get_export_by_exportid(nfs3, rootfh->exportid); if (!exp) goto out; ret = exp->rootlookedup; out: return ret; } int nfs3_set_root_looked_up(struct nfs3_state *nfs3, struct nfs3_fh *rootfh) { struct nfs3_export *exp = NULL; int ret = 0; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, out); GF_VALIDATE_OR_GOTO(GF_NFS3, rootfh, out); exp = __nfs3_get_export_by_exportid(nfs3, rootfh->exportid); if (!exp) goto out; exp->rootlookedup = 1; out: return ret; } #define nfs3_map_fh_to_volume(nfs3state, handle, req, volume, status, label) \ do { \ char exportid[256], gfid[256]; \ rpc_transport_t *trans = NULL; \ volume = nfs3_fh_to_xlator((nfs3state), handle); \ if (!volume) { \ gf_uuid_unparse(handle->exportid, exportid); \ gf_uuid_unparse(handle->gfid, gfid); \ trans = rpcsvc_request_transport(req); \ GF_LOG_OCCASIONALLY(nfs3state->occ_logger, GF_NFS3, GF_LOG_ERROR, \ "Failed to map " \ "FH to vol: client=%s, exportid=%s, " \ "gfid=%s", \ trans->peerinfo.identifier, exportid, gfid); \ GF_LOG_OCCASIONALLY(nfs3state->occ_logger, GF_NFS3, GF_LOG_ERROR, \ "Stale nfs " \ "client %s must be trying to connect to" \ " a deleted volume, please unmount it.", \ trans->peerinfo.identifier); \ status = NFS3ERR_STALE; \ goto label; \ } else { \ gf_msg_trace(GF_NFS3, 0, \ "FH to Volume:" \ "%s", \ volume->name); \ rpcsvc_request_set_private(req, volume); \ } \ } while (0); #define nfs3_validate_gluster_fh(handle, status, errlabel) \ do { \ if (!nfs3_fh_validate(handle)) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_BAD_HANDLE, \ "Bad Handle"); \ status = NFS3ERR_BADHANDLE; \ goto errlabel; \ } \ } while (0) #define nfs3_check_fh_auth_status(cst, nfstat, is_write_op, erlabl) \ do { \ int auth_ret = 0; \ int auth_errno = 0; \ xlator_t *xlatorp = NULL; \ char buf[256], gfid[GF_UUID_BUF_SIZE]; \ rpc_transport_t *trans = NULL; \ \ auth_ret = auth_errno = nfs3_fh_auth_nfsop(cst, is_write_op); \ if (auth_ret < 0) { \ trans = rpcsvc_request_transport(cst->req); \ xlatorp = nfs3_fh_to_xlator(cst->nfs3state, &cst->resolvefh); \ gf_uuid_unparse(cst->resolvefh.gfid, gfid); \ sprintf(buf, "(%s) %s : %s", trans->peerinfo.identifier, \ xlatorp ? xlatorp->name : "ERR", gfid); \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RESOLVE_FH_FAIL, \ "Unable to " \ "resolve FH: %s", \ buf); \ nfstat = nfs3_errno_to_nfsstat3(-auth_errno); \ goto erlabl; \ } \ } while (0) #define nfs3_check_fh_resolve_status(cst, nfstat, erlabl) \ do { \ xlator_t *xlatorp = NULL; \ char buf[256], gfid[GF_UUID_BUF_SIZE]; \ rpc_transport_t *trans = NULL; \ if ((cst)->resolve_ret < 0) { \ trans = rpcsvc_request_transport(cst->req); \ xlatorp = nfs3_fh_to_xlator(cst->nfs3state, &cst->resolvefh); \ gf_uuid_unparse(cst->resolvefh.gfid, gfid); \ snprintf(buf, sizeof(buf), "(%s) %s : %s", \ trans->peerinfo.identifier, \ xlatorp ? xlatorp->name : "ERR", gfid); \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RESOLVE_STAT, "%s: %s", \ strerror(cst->resolve_errno), buf); \ nfstat = nfs3_errno_to_nfsstat3(cst->resolve_errno); \ goto erlabl; \ } \ } while (0) #define nfs3_check_new_fh_resolve_status(cst, nfstat, erlabl) \ do { \ xlator_t *xlatorp = NULL; \ char buf[256], gfid[GF_UUID_BUF_SIZE]; \ rpc_transport_t *trans = NULL; \ if (((cst)->resolve_ret < 0) && ((cst)->resolve_errno != ENOENT)) { \ trans = rpcsvc_request_transport(cst->req); \ xlatorp = nfs3_fh_to_xlator(cst->nfs3state, &cst->resolvefh); \ gf_uuid_unparse(cst->resolvefh.gfid, gfid); \ snprintf(buf, sizeof(buf), "(%s) %s : %s", \ trans->peerinfo.identifier, \ xlatorp ? xlatorp->name : "ERR", gfid); \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RESOLVE_STAT, "%s: %s", \ strerror(cst->resolve_errno), buf); \ nfstat = nfs3_errno_to_nfsstat3(cs->resolve_errno); \ goto erlabl; \ } \ } while (0) int __nfs3_get_volume_id(struct nfs3_state *nfs3, xlator_t *xl, uuid_t volumeid) { int ret = -1; struct nfs3_export *exp = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, out); GF_VALIDATE_OR_GOTO(GF_NFS3, xl, out); list_for_each_entry(exp, &nfs3->exports, explist) { if (exp->subvol == xl) { gf_uuid_copy(volumeid, exp->volumeid); ret = 0; goto out; } } out: return ret; } static int nfs3_funge_webnfs_zerolen_fh(rpcsvc_request_t *req, struct nfs3_state *nfs3st, struct nfs3_fh *fhd, char *name) { xlator_t *fungexl = NULL; struct nfs_state *nfs = NULL; glfs_t *fs = NULL; loc_t loc = { 0, }; int ret = -1; char *subdir = NULL; char volname[NAME_MAX] = { 0, }; fungexl = nfs_mntpath_to_xlator(nfs3st->exportslist, name); if (!fungexl) { gf_msg_trace(GF_NFS3, 0, "failed to find xlator for volume"); ret = -ENOENT; goto out; } /* fungexl is valid, set for nfs3_request_xlator_deviceid() */ rpcsvc_request_set_private(req, fungexl); /* Permission checks are done through mnt3_parse_dir_exports(). The * "nfs.export-dir" option gets checked as well. */ nfs = nfs_state(nfs3st->nfsx); ret = mnt3_parse_dir_exports(req, nfs->mstate, name, _gf_false); if (ret) { gf_msg_trace(GF_NFS3, -ret, "mounting not possible"); goto out; } /* glfs_resolve_at copied from UDP MNT support */ fs = glfs_new_from_ctx(fungexl->ctx); if (!fs) { gf_msg_trace(GF_NFS3, 0, "failed to create glfs instance"); ret = -ENOENT; goto out; } /* split name "volname/sub/dir/s" into pieces */ subdir = mnt3_get_volume_subdir(name, (char **)&volname); ret = glfs_resolve_at(fs, fungexl, NULL, subdir, &loc, NULL, 1, 0); if (ret != 0) { gf_msg_trace(GF_NFS3, 0, "failed to resolve %s", subdir); ret = -ENOENT; goto out; } /* resolved subdir, copy gfid for the fh */ gf_uuid_copy(fhd->gfid, loc.gfid); loc_wipe(&loc); if (gf_nfs_dvm_off(nfs_state(nfs3st->nfsx))) fhd->exportid[15] = nfs_xlator_to_xlid(nfs3st->exportslist, fungexl); else { if (__nfs3_get_volume_id(nfs3st, fungexl, fhd->exportid) < 0) { ret = -ESTALE; goto out; } } ret = 0; out: if (fs) glfs_free_from_ctx(fs); return ret; } /* * This macro checks if the volume is started or not. * If it is not started, it closes the client connection & logs it. * * Why do we do this? * * There is a "race condition" where gNFSd may start listening for RPC requests * prior to the volume being started. Presumably, that is why this macro exists * in the first place. In the NFS kernel client (specifically Linux's NFS * kernel client), they establish a TCP connection to our endpoint and * (re-)send requests. If we ignore the request, and return nothing back, * the NFS kernel client waits forever for our response. If for some reason, * the TCP connection were to die, and re-establish, the requests are * retransmitted and everything begins working as expected * * Now, this is clearly bad behavior on the client side, * but in order to make every user's life easier, * gNFSd should simply disconnect the TCP connection if it sees requests * before it is ready to accept them. * */ #define nfs3_volume_started_check(nf3stt, vlm, rtval, erlbl) \ do { \ if ((!nfs_subvolume_started(nfs_state(nf3stt->nfsx), vlm))) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_VOL_DISABLE, \ "Volume is disabled: %s", vlm->name); \ nfs3_disconnect_transport(req->trans); \ rtval = RPCSVC_ACTOR_IGNORE; \ goto erlbl; \ } \ } while (0) void nfs3_disconnect_transport(rpc_transport_t *transport) { int ret = 0; GF_VALIDATE_OR_GOTO(GF_NFS3, transport, out); ret = rpc_transport_disconnect(transport, _gf_false); if (ret != 0) { gf_log(GF_NFS3, GF_LOG_WARNING, "Unable to close client connection to %s.", transport->peerinfo.identifier); } else { gf_log(GF_NFS3, GF_LOG_WARNING, "Closed client connection to %s.", transport->peerinfo.identifier); } out: return; } int nfs3_export_sync_trusted(struct nfs3_state *nfs3, uuid_t exportid) { struct nfs3_export *exp = NULL; int ret = 0; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, err); exp = __nfs3_get_export_by_exportid(nfs3, exportid); if (!exp) goto err; ret = exp->trusted_sync; err: return ret; } int nfs3_export_write_trusted(struct nfs3_state *nfs3, uuid_t exportid) { struct nfs3_export *exp = NULL; int ret = 0; GF_VALIDATE_OR_GOTO(GF_NFS3, nfs3, err); exp = __nfs3_get_export_by_exportid(nfs3, exportid); if (!exp) goto err; ret = exp->trusted_write; err: return ret; } int nfs3_solaris_zerolen_fh(struct nfs3_fh *fh, int fhlen) { if (!fh) return 0; if (nfs3_fh_validate(fh)) return 0; if (fhlen == 0) { gf_msg_trace(GF_NFS3, 0, "received WebNFS request"); return 1; } return 0; } /* Function pointer that represents the generic prototypes of functions used * to serialize NFS3 message structures into the XDR format. * For usage, see the nfs3svc_XXX_cbk functions. */ typedef ssize_t (*nfs3_serializer)(struct iovec outmsg, void *args); static void __nfs3_call_state_wipe(nfs3_call_state_t *cs) { if (cs->fd) { gf_msg_trace(GF_NFS3, 0, "fd 0x%lx ref: %" PRId64, (long)cs->fd, GF_ATOMIC_GET(cs->fd->refcount)); fd_unref(cs->fd); } GF_FREE(cs->resolventry); GF_FREE(cs->pathname); if (!list_empty(&cs->entries.list)) gf_dirent_free(&cs->entries); nfs_loc_wipe(&cs->oploc); nfs_loc_wipe(&cs->resolvedloc); if (cs->iob) iobuf_unref(cs->iob); if (cs->iobref) iobref_unref(cs->iobref); if (cs->trans) rpc_transport_unref(cs->trans); memset(cs, 0, sizeof(*cs)); mem_put(cs); /* Already refd by fd_lookup, so no need to ref again. */ } nfs3_call_state_t * nfs3_call_state_init(struct nfs3_state *s, rpcsvc_request_t *req, xlator_t *v) { nfs3_call_state_t *cs = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, s, err); GF_VALIDATE_OR_GOTO(GF_NFS3, req, err); /* GF_VALIDATE_OR_GOTO (GF_NFS3, v, err); NLM sets this later */ cs = (nfs3_call_state_t *)mem_get(s->localpool); if (!cs) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "out of memory"); return NULL; } memset(cs, 0, sizeof(*cs)); GF_REF_INIT(cs, __nfs3_call_state_wipe); INIT_LIST_HEAD(&cs->entries.list); INIT_LIST_HEAD(&cs->openwait_q); cs->operrno = EINVAL; cs->req = req; cs->vol = v; cs->nfsx = s->nfsx; cs->nfs3state = s; err: return cs; } void nfs3_call_state_wipe(nfs3_call_state_t *cs) { if (!cs) { gf_log_callingfn("nfs", GF_LOG_WARNING, "nfs calling state NULL"); return; } GF_REF_PUT(cs); } #define nfs3_handle_call_state_init(nfs3state, calls, rq, vl, opstat, \ errlabel) \ do { \ calls = nfs3_call_state_init((nfs3state), (rq), (vl)); \ if (!calls) { \ gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_INIT_CALL_STAT_FAIL, \ "Failed to" \ " init call state"); \ opstat = NFS3ERR_SERVERFAULT; \ goto errlabel; \ } \ } while (0) struct iobuf * nfs3_serialize_reply(rpcsvc_request_t *req, void *arg, nfs3_serializer sfunc, struct iovec *outmsg) { struct nfs3_state *nfs3 = NULL; struct iobuf *iob = NULL; ssize_t retlen = -1; nfs3 = (struct nfs3_state *)rpcsvc_request_program_private(req); if (!nfs3) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_STATE_MISSING, "NFSv3 state not found in RPC request"); goto ret; } /* First, get the io buffer into which the reply in arg will * be serialized. */ /* TODO: get rid of 'sfunc' and use 'xdrproc_t' so we can have 'xdr_sizeof' */ iob = iobuf_get(nfs3->iobpool); if (!iob) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to get iobuf"); goto ret; } iobuf_to_iovec(iob, outmsg); /* Use the given serializer to translate the give C structure in arg * to XDR format which will be written into the buffer in outmsg. */ /* retlen is used to received the error since size_t is unsigned and we * need -1 for error notification during encoding. */ retlen = sfunc(*outmsg, arg); if (retlen == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ENCODE_FAIL, "Failed to encode message"); goto ret; } outmsg->iov_len = retlen; ret: if (retlen == -1) { iobuf_unref(iob); iob = NULL; } return iob; } /* Generic reply function for NFSv3 specific replies. */ int nfs3svc_submit_reply(rpcsvc_request_t *req, void *arg, nfs3_serializer sfunc) { struct iovec outmsg = { 0, }; struct iobuf *iob = NULL; int ret = -1; struct iobref *iobref = NULL; if (!req) return -1; iob = nfs3_serialize_reply(req, arg, sfunc, &outmsg); if (!iob) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SERIALIZE_REPLY_FAIL, "Failed to serialize reply"); goto ret; } iobref = iobref_new(); if (!iobref) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "failed on iobref_new()"); goto ret; } ret = iobref_add(iobref, iob); if (ret) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to add iob to iobref"); goto ret; } /* Then, submit the message for transmission. */ ret = rpcsvc_submit_message(req, &outmsg, 1, NULL, 0, iobref); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SUBMIT_REPLY_FAIL, "Reply submission failed"); goto ret; } ret = 0; ret: /* Now that we've done our job of handing the message to the RPC layer * we can safely unref the iob in the hope that RPC layer must have * ref'ed the iob on receiving into the txlist. */ if (NULL != iob) iobuf_unref(iob); if (NULL != iobref) iobref_unref(iobref); return ret; } int nfs3svc_submit_vector_reply(rpcsvc_request_t *req, void *arg, nfs3_serializer sfunc, struct iovec *payload, int vcount, struct iobref *iobref) { struct iovec outmsg = { 0, }; struct iobuf *iob = NULL; int ret = -1; int new_iobref = 0; if (!req) return -1; iob = nfs3_serialize_reply(req, arg, sfunc, &outmsg); if (!iob) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SERIALIZE_REPLY_FAIL, "Failed to serialize reply"); goto ret; } if (iobref == NULL) { iobref = iobref_new(); if (!iobref) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "failed on iobref_new"); goto ret; } new_iobref = 1; } ret = iobref_add(iobref, iob); if (ret) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to add iob to iobref"); goto ret; } /* Then, submit the message for transmission. */ ret = rpcsvc_submit_message(req, &outmsg, 1, payload, vcount, iobref); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SUBMIT_REPLY_FAIL, "Reply submission failed"); goto ret; } ret = 0; ret: /* Now that we've done our job of handing the message to the RPC layer * we can safely unref the iob in the hope that RPC layer must have * ref'ed the iob on receiving into the txlist. */ if (NULL != iob) iobuf_unref(iob); if (new_iobref) iobref_unref(iobref); return ret; } uint64_t nfs3_request_xlator_deviceid(rpcsvc_request_t *rq) { struct nfs3_state *nfs3 = NULL; xlator_t *xl = NULL; uint64_t devid = 0; uuid_t volumeid = { 0, }; if (!rq) return 0; xl = rpcsvc_request_private(rq); nfs3 = rpcsvc_request_program_private(rq); if (nfs3 && (gf_nfs_dvm_off(nfs_state(nfs3->nfsx)))) devid = (uint64_t)nfs_xlator_to_xlid(nfs3->exportslist, xl); else { __nfs3_get_volume_id(nfs3, xl, volumeid); memcpy(&devid, &volumeid[8], sizeof(devid)); } return devid; } int nfs3svc_null(rpcsvc_request_t *req) { struct iovec dummyvec = { 0, }; if (!req) return RPCSVC_ACTOR_ERROR; rpcsvc_submit_generic(req, &dummyvec, 1, NULL, 0, NULL); return RPCSVC_ACTOR_SUCCESS; } int nfs3_getattr_reply(rpcsvc_request_t *req, nfsstat3 status, struct iatt *buf) { getattr3res res; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_getattr3res(&res, status, buf, deviceid); nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_getattr3res); return 0; } int32_t nfs3svc_getattr_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, dict_t *xattr, struct iatt *postparent) { nfsstat3 status = NFS3_OK; nfs3_call_state_t *cs = NULL; cs = frame->local; /* * Somewhat counter-intuitively, we don't need to look for sh-failed * here. Failing this getattr will generate a new lookup from the * client, and nfs_fop_lookup_cbk will detect any self-heal failures. */ if (op_ret == -1) { status = nfs3_cbk_errno_status(op_ret, op_errno); } else { nfs_fix_generation(this, inode); } nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_GETATTR, status, op_errno, cs->resolvedloc.path); nfs3_getattr_reply(cs->req, status, buf); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_getattr_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { nfsstat3 status = NFS3_OK; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { /* Prevent crashes for the case where this call fails * and buf is left in a NULL state, yet the op_errno == 0. */ if (!buf && op_errno == 0) { op_errno = EIO; } status = nfs3_cbk_errno_status(op_ret, op_errno); } nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_GETATTR, status, op_errno, cs->resolvedloc.path); nfs3_getattr_reply(cs->req, status, buf); nfs3_call_state_wipe(cs); return 0; } int nfs3_getattr_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; uint64_t raw_ctx = 0; struct nfs_inode_ctx *ictx = NULL; struct nfs_state *priv = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); /* If inode which is to be getattr'd is the root, we need to do a * lookup instead because after a server reboot, it is not necessary * for the root to have been looked up when the getattr on the root is * sent. AND, this causes a problem for stat-prefetch in that it * expects even the root inode to have been looked up. if (__is_root_gfid (cs->resolvedloc.inode->gfid)) ret = nfs_lookup (cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_getattr_lookup_cbk, cs); else ret = nfs_stat (cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, */ if (cs->hardresolved) { ret = -EFAULT; stat = NFS3_OK; goto nfs3err; } /* * If brick state changed, we need to force a proper lookup cycle (as * would happen in native protocol) to do self-heal checks. We detect * this by comparing the generation number for the last successful * creation/lookup on the inode to the current number, so inodes that * haven't been validated since the state change are affected. */ if (inode_ctx_get(cs->resolvedloc.inode, cs->nfsx, &raw_ctx) == 0) { ictx = (struct nfs_inode_ctx *)(uintptr_t)raw_ctx; priv = cs->nfsx->private; if (ictx->generation != priv->generation) { ret = nfs_lookup(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_getattr_lookup_cbk, cs); goto check_err; } } ret = nfs_stat(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_getattr_stat_cbk, cs); check_err: if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_STAT_FOP_FAIL, "Stat fop failed: %s: %s", cs->oploc.path, strerror(-ret)); stat = nfs3_errno_to_nfsstat3(-ret); } nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_GETATTR, stat, -ret, cs->resolvedloc.path); nfs3_getattr_reply(cs->req, stat, &cs->stbuf); nfs3_call_state_wipe(cs); ret = 0; } return ret; } int nfs3_getattr(rpcsvc_request_t *req, struct nfs3_fh *fh) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cstate = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, req, out); GF_VALIDATE_OR_GOTO(GF_NFS3, fh, out); nfs3_log_common_call(rpcsvc_request_xid(req), "GETATTR", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cstate, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cstate, fh, NULL, nfs3_getattr_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_GETATTR, stat, -ret, NULL); nfs3_getattr_reply(req, stat, NULL); ret = 0; nfs3_call_state_wipe(cstate); } out: return ret; } int nfs3svc_getattr(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; getattr3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_getattr3args(&args, &fh); if (xdr_to_getattr3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_getattr(req, &fh); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_GETATTR_FAIL, "GETATTR procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_setattr_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preop, struct iatt *postop) { setattr3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_setattr3res(&res, stat, preop, postop, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_setattr3res); return 0; } int32_t nfs3svc_truncate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; struct iatt *prestat = NULL; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } /* If the first stat was got from the guarded setattr callback, or * from an earlier setattr call then we'll need to use that stat * instead of the preop returned here. */ if (cs->preparent.ia_ino != 0) prestat = &cs->preparent; else prestat = prebuf; stat = NFS3_OK; nfs3err: nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_SETATTR, stat, op_errno, cs->resolvedloc.path); nfs3_setattr_reply(cs->req, stat, prestat, postbuf); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preop, struct iatt *postop, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -1; struct iatt *prebuf = NULL; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } prebuf = preop; /* Store the current preop in case we need to send a truncate, * in which case the preop to be returned will be this one. */ cs->preparent = *preop; /* Only truncate if the size is not already same as the requested * truncation and also only if this is not a directory. */ if ((gf_attr_size_set(cs->setattr_valid)) && (!IA_ISDIR(postop->ia_type)) && (preop->ia_size != cs->attr_in.ia_size)) { nfs_request_user_init(&nfu, cs->req); ret = nfs_truncate(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, cs->attr_in.ia_size, nfs3svc_truncate_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); } else { ret = -1; /* Force a reply in the branch below. */ stat = NFS3_OK; } nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_SETATTR, stat, op_errno, cs->resolvedloc.path); nfs3_setattr_reply(cs->req, stat, prebuf, postop); nfs3_call_state_wipe(cs); } return 0; } int32_t nfs3svc_setattr_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { int ret = -EFAULT; nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } if (buf->ia_ctime != cs->timestamp.seconds) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_TIMESTAMP_NO_SYNC, "Timestamps not in sync"); stat = NFS3ERR_NOT_SYNC; goto nfs3err; } /* Not a clean way but no motivation to add a new member to local. */ cs->preparent = *buf; nfs_request_user_init(&nfu, cs->req); ret = nfs_setattr(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, &cs->stbuf, cs->setattr_valid, nfs3svc_setattr_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_SETATTR, stat, op_errno, cs->resolvedloc.path); nfs3_setattr_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return 0; } int nfs3_setattr_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_setattr(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, &cs->attr_in, cs->setattr_valid, nfs3svc_setattr_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_SETATTR, stat, -ret, cs->resolvedloc.path); nfs3_setattr_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_setattr(rpcsvc_request_t *req, struct nfs3_fh *fh, sattr3 *sattr, sattrguard3 *guard) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, req, out); GF_VALIDATE_OR_GOTO(GF_NFS3, fh, out); GF_VALIDATE_OR_GOTO(GF_NFS3, sattr, out); GF_VALIDATE_OR_GOTO(GF_NFS3, guard, out); nfs3_log_common_call(rpcsvc_request_xid(req), "SETATTR", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->setattr_valid = nfs3_sattr3_to_setattr_valid(sattr, &cs->attr_in, NULL); if (guard->check) { gf_msg_trace(GF_NFS3, 0, "Guard check required"); cs->timestamp = guard->sattrguard3_u.obj_ctime; cs->sattrguardcheck = 1; } else { gf_msg_trace(GF_NFS3, 0, "Guard check not required"); cs->sattrguardcheck = 0; } if (!cs->setattr_valid) { ret = -EINVAL; /* Force a reply */ stat = NFS3_OK; gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_SETATTR_INVALID, "cs->setattr_valid is invalid"); goto nfs3err; } ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_setattr_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_SETATTR, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_setattr_reply(req, stat, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_setattr(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; setattr3args args; int ret = RPCSVC_ACTOR_ERROR; GF_VALIDATE_OR_GOTO(GF_NFS3, req, rpcerr); nfs3_prep_setattr3args(&args, &fh); if (xdr_to_setattr3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_setattr(req, &fh, &args.new_attributes, &args.guard); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_SETATTR_FAIL, "SETATTR procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_lookup_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *newfh, struct iatt *stbuf, struct iatt *postparent) { lookup3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_lookup3res(&res, stat, newfh, stbuf, postparent, deviceid); return nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_lookup3res); } int nfs3_lookup_resume(void *carg); int nfs3_fresh_lookup(nfs3_call_state_t *cs) { int ret = -EFAULT; char *oldresolventry = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, cs, err); gf_msg_debug(GF_NFS3, 0, "inode needs fresh lookup"); inode_unlink(cs->resolvedloc.inode, cs->resolvedloc.parent, cs->resolventry); nfs_loc_wipe(&cs->resolvedloc); /* Store pointer to currently allocated resolventry because it gets over * written in fh_resolve_and_resume. */ oldresolventry = cs->resolventry; cs->lookuptype = GF_NFS3_FRESH; ret = nfs3_fh_resolve_and_resume(cs, &cs->resolvefh, cs->resolventry, nfs3_lookup_resume); /* Allocated in the previous call to fh_resolve_and_resume using the * same call_state. */ GF_FREE(oldresolventry); err: return ret; } int nfs3svc_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, dict_t *xattr, struct iatt *postparent) { struct nfs3_fh newfh = { {0}, }; nfsstat3 status = NFS3_OK; nfs3_call_state_t *cs = NULL; inode_t *oldinode = NULL; cs = frame->local; if (op_ret == -1) { status = nfs3_cbk_errno_status(op_ret, op_errno); goto xmit_res; } nfs3_fh_build_child_fh(&cs->parent, buf, &newfh); oldinode = inode_link(inode, cs->resolvedloc.parent, cs->resolvedloc.name, buf); xmit_res: /* Only send fresh lookup if it was a revalidate that failed. */ if ((op_ret == -1) && (nfs3_is_revalidate_lookup(cs))) { op_ret = nfs3_fresh_lookup(cs); goto out; } nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_LOOKUP, status, op_errno, &newfh, cs->resolvedloc.path); nfs3_lookup_reply(cs->req, status, &newfh, buf, postparent); nfs3_call_state_wipe(cs); out: if (oldinode) { inode_lookup(oldinode); inode_unref(oldinode); } return 0; } int nfs3svc_lookup_parentdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, dict_t *xattr, struct iatt *postparent) { struct nfs3_fh newfh = { {0}, }; nfsstat3 status = NFS3_OK; nfs3_call_state_t *cs = NULL; uuid_t volumeid = { 0, }; uuid_t mountid = { 1, }; struct nfs3_state *nfs3 = NULL; cs = frame->local; if (op_ret == -1) { status = nfs3_cbk_errno_status(op_ret, op_errno); goto xmit_res; } nfs3 = cs->nfs3state; /* If the buf inode shows that this is a root dir's buf, then the file * handle needs to be specially crafted, in all other cases, we'll just * create the handle normally using the buffer of the parent dir. */ if (buf->ia_ino != 1) { nfs3_fh_build_parent_fh(&cs->fh, buf, &newfh); goto xmit_res; } if (gf_nfs_dvm_off(nfs_state(nfs3->nfsx))) newfh = nfs3_fh_build_indexed_root_fh(nfs3->exportslist, cs->vol); else { __nfs3_get_volume_id(nfs3, cs->vol, volumeid); newfh = nfs3_fh_build_uuid_root_fh(volumeid, mountid); } xmit_res: nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_LOOKUP, status, op_errno, &newfh, cs->resolvedloc.path); nfs3_lookup_reply(cs->req, status, &newfh, buf, postparent); nfs3_call_state_wipe(cs); return 0; } int nfs3_lookup_parentdir_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; inode_t *parent = NULL; if (!carg) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Invalid argument, carg value NULL"); return EINVAL; } cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); /* At this point now, the loc in cs is for the directory file handle * sent by the client. This loc needs to be transformed into a loc that * represents the parent dir of cs->resolvedloc.inode. * * EXCEPT in the case where the .. is a parent of the root directory. * In this case we'll be returning the file handle and attributes of the * root itself. */ nfs_request_user_init(&nfu, cs->req); /* Save the file handle from the LOOKUP request. We'll use this to * build the file handle of the parent directory in case the parent is * not root dir. */ cs->fh = cs->resolvefh; /* If fh is that of the root, the resolvedloc will already contain * the loc for root. After that, we'll send lookup for the root dir * itself since we cannot send the lookup on the parent of root. * * For all other cases, we'll send the lookup on the parent of the * given directory file handle. */ if (!nfs3_fh_is_root_fh(&cs->fh)) { parent = inode_ref(cs->resolvedloc.parent); nfs_loc_wipe(&cs->resolvedloc); ret = nfs_inode_loc_fill(parent, &cs->resolvedloc, NFS_RESOLVE_CREATE); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_INODE_LOC_FILL_ERROR, "nfs_inode_loc_fill" " error"); goto errtostat; } } ret = nfs_lookup(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_lookup_parentdir_cbk, cs); errtostat: if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_LOOKUP, stat, -ret, cs->resolvedloc.path); nfs3_lookup_reply(cs->req, stat, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } if (parent) inode_unref(parent); return ret; } int nfs3_lookup_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; struct nfs3_fh newfh = { {0}, }; if (!carg) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Invalid argument, carg value NULL"); return EINVAL; } cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); cs->parent = cs->resolvefh; if (cs->hardresolved) { stat = NFS3_OK; nfs3_fh_build_child_fh(&cs->parent, &cs->stbuf, &newfh); goto nfs3err; } nfs_request_user_init(&nfu, cs->req); ret = nfs_lookup(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_lookup_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_LOOKUP, stat, -ret, cs->resolvedloc.path); nfs3_lookup_reply(cs->req, stat, &newfh, &cs->stbuf, &cs->postparent); nfs3_call_state_wipe(cs); } return ret; } int nfs3_lookup(rpcsvc_request_t *req, struct nfs3_fh *fh, int fhlen, char *name) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; GF_VALIDATE_OR_GOTO(GF_NFS3, req, out); GF_VALIDATE_OR_GOTO(GF_NFS3, fh, out); GF_VALIDATE_OR_GOTO(GF_NFS3, name, out); nfs3_log_fh_entry_call(rpcsvc_request_xid(req), "LOOKUP", fh, name); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); if (nfs3_solaris_zerolen_fh(fh, fhlen)) { ret = nfs3_funge_webnfs_zerolen_fh(req, nfs3, fh, name); if (ret < 0) goto nfs3err; /* this fh means we're doing a mount, name is no more useful */ name = NULL; } else nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->lookuptype = GF_NFS3_REVALIDATE; ret = nfs3_fh_resolve_and_resume(cs, fh, name, nfs3_lookup_resume); if (ret < 0) { gf_msg(GF_NFS, GF_LOG_ERROR, -ret, NFS_MSG_HARD_RESOLVE_FAIL, "failed to start hard resolve"); } nfs3err: if (ret < 0) { stat = nfs3_errno_to_nfsstat3(-ret); nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_LOOKUP, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_lookup_reply(req, stat, NULL, NULL, NULL); if (cs) nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_lookup(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh fh = { {0}, }; lookup3args args; int ret = RPCSVC_ACTOR_ERROR; GF_VALIDATE_OR_GOTO(GF_NFS, req, rpcerr); nfs3_prep_lookup3args(&args, &fh, name); if (xdr_to_lookup3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_lookup(req, &fh, args.what.dir.data.data_len, name); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_LOOKUP_PROC_FAIL, "LOOKUP procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_access_reply(rpcsvc_request_t *req, nfsstat3 status, int32_t accbits, int32_t reqaccbits) { access3res res; nfs3_fill_access3res(&res, status, accbits, reqaccbits); nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_access3res); return 0; } int32_t nfs3svc_access_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *xdata) { nfsstat3 status = NFS3_OK; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { status = nfs3_cbk_errno_status(op_ret, op_errno); } nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_ACCESS, status, op_errno, cs->resolvedloc.path); nfs3_access_reply(cs->req, status, op_errno, cs->accessbits); nfs3_call_state_wipe(cs); return 0; } int nfs3_access_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Invalid argument, carg value NULL"); return EINVAL; } cs = (nfs3_call_state_t *)carg; /* Additional checks on the NFS file handle * go here. The path for an NFS ACCESS call * goes like this: * nfs3_access -> nfs3_fh_resolve_and_resume -> nfs3_resolve_resume -> * nfs3_access_resume -> -> * ('goto nfs3err' * terminates this function and writes the appropriate response to the * client). It is important that you do NOT stick any sort of check * on the file handle outside of the nfs3_##OP_resume functions. */ nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); cs->fh = cs->resolvefh; nfs_request_user_init(&nfu, cs->req); ret = nfs_access(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, cs->accessbits, nfs3svc_access_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_ACCESS, stat, -ret, cs->resolvedloc.path); nfs3_access_reply(cs->req, stat, 0, 0); nfs3_call_state_wipe(cs); ret = 0; } return ret; } int nfs3_access(rpcsvc_request_t *req, struct nfs3_fh *fh, uint32_t accbits) { xlator_t *vol = NULL; struct nfs3_state *nfs3 = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; GF_VALIDATE_OR_GOTO(GF_NFS, req, out); GF_VALIDATE_OR_GOTO(GF_NFS, fh, out); nfs3_log_common_call(rpcsvc_request_xid(req), "ACCESS", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->accessbits = accbits; ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_access_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_ACCESS, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_access_reply(req, stat, 0, 0); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_access(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; access3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_access3args(&args, &fh); if (xdr_to_access3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_access(req, &fh, args.access); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_ACCESS_PROC_FAIL, "ACCESS procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_readlink_reply(rpcsvc_request_t *req, nfsstat3 stat, char *path, struct iatt *buf) { readlink3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_readlink3res(&res, stat, path, buf, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_readlink3res); return 0; } int32_t nfs3svc_readlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, const char *path, struct iatt *buf, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } stat = NFS3_OK; nfs3err: nfs3_log_readlink_res(rpcsvc_request_xid(cs->req), stat, op_errno, (char *)path, cs->resolvedloc.path); nfs3_readlink_reply(cs->req, stat, (char *)path, buf); nfs3_call_state_wipe(cs); return 0; } int nfs3_readlink_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_readlink(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_readlink_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READLINK, stat, -ret, cs->resolvedloc.path); nfs3_readlink_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_readlink(rpcsvc_request_t *req, struct nfs3_fh *fh) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_common_call(rpcsvc_request_xid(req), "READLINK", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_readlink_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_READLINK, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_readlink_reply(req, stat, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_readlink(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; readlink3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_readlink3args(&args, &fh); if (xdr_to_readlink3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_readlink(req, &fh); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_READLINK_PROC_FAIL, "READLINK procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_read_reply(rpcsvc_request_t *req, nfsstat3 stat, count3 count, struct iovec *vec, int vcount, struct iobref *iobref, struct iatt *poststat, int is_eof) { read3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_read3res(&res, stat, count, poststat, is_eof, deviceid); if (stat == NFS3_OK) { xdr_vector_round_up(vec, vcount, count); /* iob can be zero if the file size was zero. If so, op_ret * would be 0 and count = 0. */ if (count != 0) { nfs3svc_submit_vector_reply( req, (void *)&res, (nfs3_serializer)xdr_serialize_read3res_nocopy, vec, vcount, iobref); } else nfs3svc_submit_reply( req, (void *)&res, (nfs3_serializer)xdr_serialize_read3res_nocopy); } else nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_read3res_nocopy); return 0; } int32_t nfs3svc_read_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iovec *vector, int32_t count, struct iatt *stbuf, struct iobref *iobref, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int is_eof = 0; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto err; } else stat = NFS3_OK; if (op_errno == ENOENT) is_eof = 1; err: nfs3_log_read_res(rpcsvc_request_xid(cs->req), stat, op_errno, op_ret, is_eof, vector, count, cs->resolvedloc.path); nfs3_read_reply(cs->req, stat, op_ret, vector, count, iobref, stbuf, is_eof); nfs3_call_state_wipe(cs); return 0; } int nfs3_read_fd_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_read(cs->nfsx, cs->vol, &nfu, cs->fd, cs->datacount, cs->dataoffset, nfs3svc_read_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READ, stat, -ret, cs->resolvedloc.path); nfs3_read_reply(cs->req, stat, 0, NULL, 0, NULL, NULL, 0); nfs3_call_state_wipe(cs); } return ret; } int nfs3_read_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; fd_t *fd = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_false, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); fd = fd_anonymous(cs->resolvedloc.inode); if (!fd) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ANONYMOUS_FD_FAIL, "Failed to create anonymous fd"); goto nfs3err; } cs->fd = fd; nfs3_read_fd_resume(cs); ret = 0; nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READ, stat, -ret, cs->resolvedloc.path); nfs3_read_reply(cs->req, stat, 0, NULL, 0, NULL, NULL, 0); nfs3_call_state_wipe(cs); } return ret; } int nfs3_read(rpcsvc_request_t *req, struct nfs3_fh *fh, offset3 offset, count3 count) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_rw_call(rpcsvc_request_xid(req), "READ", fh, offset, count, -1); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->datacount = count; cs->dataoffset = offset; ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_read_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_READ, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_read_reply(req, stat, 0, NULL, 0, NULL, NULL, 0); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_read(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; read3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_read3args(&args, &fh); if (xdr_to_read3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_read(req, &fh, args.offset, args.count); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_READ_FAIL, "READ procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_write_reply(rpcsvc_request_t *req, nfsstat3 stat, count3 count, stable_how stable, uint64_t wverf, struct iatt *prestat, struct iatt *poststat) { write3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_write3res(&res, stat, count, stable, wverf, prestat, poststat, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_write3res); return 0; } int32_t nfs3svc_write_fsync_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf, dict_t *xdata) { struct nfs3_state *nfs3 = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; nfs3 = rpcsvc_request_program_private(cs->req); if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } else stat = NFS3_OK; nfs3_log_write_res(rpcsvc_request_xid(cs->req), stat, op_errno, cs->maxcount, cs->writetype, nfs3->serverstart, cs->resolvedloc.path); nfs3_write_reply(cs->req, stat, cs->maxcount, cs->writetype, nfs3->serverstart, &cs->stbuf, postbuf); nfs3_call_state_wipe(cs); return 0; } /* * Before going into the write reply logic, here is a matrix that shows the * requirements for a write reply as given by RFC1813. * * Requested Write Type || Possible Returns * ============================================== * FILE_SYNC || FILE_SYNC * DATA_SYNC || DATA_SYNC or FILE_SYNC * UNSTABLE || DATA_SYNC or FILE_SYNC or UNSTABLE * * Write types other than UNSTABLE are together called STABLE. * RS - Return Stable * RU - Return Unstable * WS - Write Stable * WU - Write Unstable * *+============================================+ *| Vol Opts -> || trusted-write| trusted-sync | *| Write Type || | | *|-------------||--------------|--------------| *| STABLE || WS | WU | *| || RS | RS | *|-------------||--------------|--------------| *| UNSTABLE || WU | WU | *| || RS | RS | *|-------------||--------------|--------------| *| COMMIT || fsync | getattr | *+============================================+ * * */ int32_t nfs3svc_write_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; struct nfs3_state *nfs3 = NULL; cs = frame->local; nfs3 = rpcsvc_request_program_private(cs->req); if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto err; } stat = NFS3_OK; cs->maxcount = op_ret; err: nfs3_log_write_res(rpcsvc_request_xid(cs->req), stat, op_errno, cs->maxcount, cs->writetype, nfs3->serverstart, cs->resolvedloc.path); nfs3_write_reply(cs->req, stat, cs->maxcount, cs->writetype, nfs3->serverstart, prebuf, postbuf); nfs3_call_state_wipe(cs); return 0; } int __nfs3_write_resume(nfs3_call_state_t *cs) { int ret = -EFAULT; nfs_user_t nfu = { 0, }; if (!cs) return ret; nfs_request_user_init(&nfu, cs->req); /* It is possible that the RPC record contains more bytes than * than the size of write requested in this request. This means, * that in the RPC message buffer, there could be more bytes * beyind the @count bytes. Since @payload is referring to the write * data directly inside the RPC request buffer(..since we performed a * no-copy deXDRing..), we might end up writing more data than * requested, because till now payload.iov_len accounts for all the * bytes not just the write request bytes. These extra bytes are present * as a requirement of the XDR encoding to round up the all string and * opaque data buffers to multiples of 4 bytes. */ cs->datavec.iov_len = cs->datacount; ret = nfs_write(cs->nfsx, cs->vol, &nfu, cs->fd, cs->iobref, &cs->datavec, 1, cs->dataoffset, nfs3svc_write_cbk, cs); return ret; } int nfs3_write_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; fd_t *fd = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_true, nfs3err); nfs3_check_fh_resolve_status(cs, stat, nfs3err); fd = fd_anonymous(cs->resolvedloc.inode); if (!fd) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ANONYMOUS_FD_FAIL, "Failed to create anonymous fd"); goto nfs3err; } cs->fd = fd; /* Gets unrefd when the call state is wiped. */ ret = __nfs3_write_resume(cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_WRITE, stat, -ret, cs->resolvedloc.path); nfs3_write_reply(cs->req, stat, 0, cs->writetype, 0, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_write(rpcsvc_request_t *req, struct nfs3_fh *fh, offset3 offset, count3 count, stable_how stable, struct iovec payload, struct iobref *iobref) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh) || (!payload.iov_base)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_rw_call(rpcsvc_request_xid(req), "WRITE", fh, offset, count, stable); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->datacount = count; cs->dataoffset = offset; cs->writetype = stable; cs->iobref = iobref; cs->datavec = payload; ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_write_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_WRITE, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_write_reply(req, stat, 0, stable, 0, NULL, NULL); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } #define NFS3_VECWRITE_READFHLEN 1 #define NFS3_VECWRITE_READFH 2 #define NFS3_VECWRITE_READREST 3 #define NFS3_WRITE_POSTFH_SIZE 20 int nfs3svc_write_vecsizer(int state, ssize_t *readsize, char *base_addr, char *curr_addr) { int ret = 0; uint32_t fhlen = 0; uint32_t fhlen_n = 0; if (state == 0) { ret = NFS3_VECWRITE_READFHLEN; *readsize = 4; } else if (state == NFS3_VECWRITE_READFHLEN) { fhlen_n = *(uint32_t *)(curr_addr - 4); fhlen = ntohl(fhlen_n); *readsize = xdr_length_round_up(fhlen, NFS3_FHSIZE); ret = NFS3_VECWRITE_READFH; } else if (state == NFS3_VECWRITE_READFH) { *readsize = NFS3_WRITE_POSTFH_SIZE; ret = NFS3_VECWRITE_READREST; } else if (state == NFS3_VECWRITE_READREST) { ret = 0; *readsize = 0; } else gf_msg("nfs", GF_LOG_ERROR, 0, NFS_MSG_STATE_WRONG, "state wrong"); return ret; } int nfs3svc_write(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; write3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_write3args(&args, &fh); if (xdr_to_write3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } /* To ensure that the iobuf for the current record does not * get returned to the iobpool, we need to keep a reference for * ourselves because the RPC call handler who called us will unref its * own ref of the record's iobuf when it is done handling the request. */ ret = nfs3_write(req, &fh, args.offset, args.count, args.stable, req->msg[1], rpcsvc_request_iobref_ref(req)); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_WRITE_FAIL, "WRITE procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_create_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *newfh, struct iatt *newbuf, struct iatt *preparent, struct iatt *postparent) { create3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_create3res(&res, stat, newfh, newbuf, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_create3res); return 0; } int32_t nfs3svc_create_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preop, struct iatt *postop, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } stat = NFS3_OK; nfs3err: nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_CREATE, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_create_reply(cs->req, stat, &cs->fh, postop, &cs->preparent, &cs->postparent); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, struct iatt *buf, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; inode_t *oldinode = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } nfs3_fh_build_child_fh(&cs->parent, buf, &cs->fh); oldinode = inode_link(inode, cs->resolvedloc.parent, cs->resolvedloc.name, buf); /* Means no attributes were required to be set. */ if (!cs->setattr_valid) { stat = NFS3_OK; ret = -1; goto nfs3err; } cs->preparent = *preparent; cs->postparent = *postparent; nfs_request_user_init(&nfu, cs->req); gf_uuid_copy(cs->resolvedloc.gfid, oldinode->gfid); ret = nfs_setattr(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, &cs->stbuf, cs->setattr_valid, nfs3svc_create_setattr_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (oldinode) { inode_lookup(oldinode); inode_unref(oldinode); } if (ret < 0) { nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_CREATE, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_create_reply(cs->req, stat, &cs->fh, buf, preparent, postparent); nfs3_call_state_wipe(cs); } return 0; } int nfs3_create_common(nfs3_call_state_t *cs) { int ret = -EFAULT; int flags = 0; nfs_user_t nfu = { 0, }; uid_t uid = 0; gid_t gid = 0; if (!cs) return ret; if (cs->createmode == GUARDED) flags = (O_RDWR | O_EXCL); else flags = O_RDWR; if (gf_attr_uid_set(cs->setattr_valid)) { uid = cs->stbuf.ia_uid; cs->setattr_valid &= ~GF_SET_ATTR_UID; } else uid = rpcsvc_request_uid(cs->req); if (gf_attr_gid_set(cs->setattr_valid)) { gid = cs->stbuf.ia_gid; cs->setattr_valid &= ~GF_SET_ATTR_GID; } else gid = rpcsvc_request_gid(cs->req); nfs_request_primary_user_init(&nfu, cs->req, uid, gid); /* We can avoid sending the setattr call later if only the mode is * required to be set. This is possible because the create fop allows * us to specify a mode arg. */ if (cs->setattr_valid & GF_SET_ATTR_MODE) { cs->setattr_valid &= ~GF_SET_ATTR_MODE; ret = nfs_create(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, flags, cs->mode, nfs3svc_create_cbk, cs); } else ret = nfs_create(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, flags, NFS_DEFAULT_CREATE_MODE, nfs3svc_create_cbk, cs); return ret; } int32_t nfs3svc_create_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { int ret = -EFAULT; nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; nfs_request_user_init(&nfu, cs->req); if (op_ret == -1) { ret = -op_errno; stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } if ((cs->stbuf.ia_mtime == buf->ia_mtime) && (cs->stbuf.ia_atime == buf->ia_atime)) { gf_msg_debug(GF_NFS3, 0, "Create req retransmitted verf %" PRId64 " %" PRId64, cs->stbuf.ia_mtime, cs->stbuf.ia_atime); stat = NFS3_OK; nfs3_fh_build_child_fh(&cs->parent, buf, &cs->fh); } else { gf_msg_debug(GF_NFS3, 0, "File already exist new_verf %" PRId64 " %" PRId64 "old_verf %" PRId64 " %" PRId64, cs->stbuf.ia_mtime, cs->stbuf.ia_atime, buf->ia_mtime, buf->ia_atime); stat = NFS3ERR_EXIST; } nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_CREATE, stat, op_errno, cs->resolvedloc.path); nfs3_create_reply(cs->req, stat, &cs->fh, buf, NULL, NULL); nfs3_call_state_wipe(cs); } return 0; } int nfs3_create_exclusive(nfs3_call_state_t *cs) { int ret = -EFAULT; nfs_user_t nfu = { 0, }; if (!cs) return ret; /* Storing verifier as a mtime and atime attribute, to store it * in stable storage */ memcpy(&cs->stbuf.ia_atime, &cs->cookieverf, sizeof(cs->stbuf.ia_atime)); memcpy(&cs->stbuf.ia_mtime, ((char *)&cs->cookieverf) + sizeof(cs->stbuf.ia_atime), sizeof(cs->stbuf.ia_mtime)); cs->setattr_valid |= GF_SET_ATTR_ATIME; cs->setattr_valid |= GF_SET_ATTR_MTIME; nfs_request_user_init(&nfu, cs->req); /* If the file already existed we need to get that attributes so we can * compare and check whether a previous create operation was * interrupted due to server failure or dropped packets. */ if ((cs->resolve_ret == 0) || ((cs->resolve_ret == -1) && (cs->resolve_errno != ENOENT))) { ret = nfs_stat(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_create_stat_cbk, cs); goto nfs3err; } ret = nfs3_create_common(cs); nfs3err: return ret; } int nfs3_create_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_auth_status(cs, stat, _gf_true, nfs3err); nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); if (cs->createmode == EXCLUSIVE) ret = nfs3_create_exclusive(cs); else ret = nfs3_create_common(cs); /* Handle a failure return from either of the create functions above. */ if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_CREATE, stat, -ret, cs->resolvedloc.path); nfs3_create_reply(cs->req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_create(rpcsvc_request_t *req, struct nfs3_fh *dirfh, char *name, createmode3 mode, sattr3 *sattr, uint64_t cverf) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!dirfh) || (!name) || (!sattr)) return -1; nfs3_log_create_call(rpcsvc_request_xid(req), dirfh, name, mode); nfs3_validate_gluster_fh(dirfh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, dirfh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, dirfh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->cookieverf = cverf; /*In Exclusive create client is supposed to send cverf instead of * sattr*/ if (mode != EXCLUSIVE) cs->setattr_valid = nfs3_sattr3_to_setattr_valid(sattr, &cs->stbuf, &cs->mode); cs->createmode = mode; cs->parent = *dirfh; ret = nfs3_fh_resolve_and_resume(cs, dirfh, name, nfs3_create_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_CREATE, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_create_reply(req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_create(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh dirfh = { {0}, }; create3args args; int ret = RPCSVC_ACTOR_ERROR; uint64_t cverf = 0; uint64_t *cval; if (!req) return ret; nfs3_prep_create3args(&args, &dirfh, name); if (xdr_to_create3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } cval = (uint64_t *)args.how.createhow3_u.verf; cverf = *cval; ret = nfs3_create(req, &dirfh, name, args.how.mode, &args.how.createhow3_u.obj_attributes, cverf); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_CREATE_FAIL, "CREATE procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_mkdir_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *fh, struct iatt *buf, struct iatt *preparent, struct iatt *postparent) { mkdir3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_mkdir3res(&res, stat, fh, buf, preparent, postparent, deviceid); nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_mkdir3res); return 0; } int32_t nfs3svc_mkdir_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preop, struct iatt *postop, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } stat = NFS3_OK; nfs3err: nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_MKDIR, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_mkdir_reply(cs->req, stat, &cs->fh, postop, &cs->preparent, &cs->postparent); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } nfs3_fh_build_child_fh(&cs->parent, buf, &cs->fh); /* Means no attributes were required to be set. */ if (!cs->setattr_valid) { stat = NFS3_OK; goto nfs3err; } cs->preparent = *preparent; cs->postparent = *postparent; nfs_request_user_init(&nfu, cs->req); ret = nfs_setattr(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, &cs->stbuf, cs->setattr_valid, nfs3svc_mkdir_setattr_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_MKDIR, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_mkdir_reply(cs->req, stat, &cs->fh, buf, preparent, postparent); nfs3_call_state_wipe(cs); } return 0; } int nfs3_mkdir_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); if (gf_attr_mode_set(cs->setattr_valid)) { cs->setattr_valid &= ~GF_SET_ATTR_MODE; ret = nfs_mkdir(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, cs->mode, nfs3svc_mkdir_cbk, cs); } else ret = nfs_mkdir(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, cs->mode, nfs3svc_mkdir_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_MKDIR, stat, -ret, cs->resolvedloc.path); nfs3_mkdir_reply(cs->req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return 0; } int nfs3_mkdir(rpcsvc_request_t *req, struct nfs3_fh *dirfh, char *name, sattr3 *sattr) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!dirfh) || (!name) || (!sattr)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_fh_entry_call(rpcsvc_request_xid(req), "MKDIR", dirfh, name); nfs3_validate_gluster_fh(dirfh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, dirfh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, dirfh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->parent = *dirfh; cs->setattr_valid = nfs3_sattr3_to_setattr_valid(sattr, &cs->stbuf, &cs->mode); ret = nfs3_fh_resolve_and_resume(cs, dirfh, name, nfs3_mkdir_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_MKDIR, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_mkdir_reply(req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_mkdir(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh dirfh = { {0}, }; mkdir3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_mkdir3args(&args, &dirfh, name); if (xdr_to_mkdir3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_mkdir(req, &dirfh, name, &args.attributes); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_DIR_OP_FAIL, "MKDIR procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_symlink_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *fh, struct iatt *buf, struct iatt *preparent, struct iatt *postparent) { symlink3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_symlink3res(&res, stat, fh, buf, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_symlink3res); return 0; } int32_t nfs3svc_symlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } nfs3_fh_build_child_fh(&cs->parent, buf, &cs->fh); stat = NFS3_OK; nfs3err: nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_SYMLINK, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_symlink_reply(cs->req, stat, &cs->fh, buf, preparent, postparent); nfs3_call_state_wipe(cs); return 0; } int nfs3_symlink_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_symlink(cs->nfsx, cs->vol, &nfu, cs->pathname, &cs->resolvedloc, nfs3svc_symlink_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_SYMLINK, stat, -ret, cs->resolvedloc.path); nfs3_symlink_reply(cs->req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_symlink(rpcsvc_request_t *req, struct nfs3_fh *dirfh, char *name, char *target, sattr3 *sattr) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!dirfh) || (!name) || (!target) || (!sattr)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_symlink_call(rpcsvc_request_xid(req), dirfh, name, target); nfs3_validate_gluster_fh(dirfh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, dirfh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, dirfh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->parent = *dirfh; cs->pathname = gf_strdup(target); if (!cs->pathname) { ret = -1; stat = NFS3ERR_SERVERFAULT; goto nfs3err; } ret = nfs3_fh_resolve_and_resume(cs, dirfh, name, nfs3_symlink_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_SYMLINK, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_symlink_reply(req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_symlink(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh dirfh = { {0}, }; char target[NFS_PATH_MAX]; symlink3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_symlink3args(&args, &dirfh, name, target); if (xdr_to_symlink3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_symlink(req, &dirfh, name, target, &args.symlink.symlink_attributes); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EXDEV, NFS_MSG_SYMLINK_FAIL, "SYMLINK procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } static int nfs3_mknod_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *fh, struct iatt *buf, struct iatt *preparent, struct iatt *postparent) { mknod3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_mknod3res(&res, stat, fh, buf, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_mknod3res); return 0; } int32_t nfs3svc_mknod_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preop, struct iatt *postop, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } stat = NFS3_OK; nfs3err: nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_MKNOD, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_mknod_reply(cs->req, stat, &cs->fh, postop, &cs->preparent, &cs->postparent); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_mknod_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -1; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } nfs3_fh_build_child_fh(&cs->parent, buf, &cs->fh); /* Means no attributes were required to be set. */ if (!cs->setattr_valid) { stat = NFS3_OK; ret = -1; goto nfs3err; } cs->preparent = *preparent; cs->postparent = *postparent; nfs_request_user_init(&nfu, cs->req); ret = nfs_setattr(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, &cs->stbuf, cs->setattr_valid, nfs3svc_mknod_setattr_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_newfh_res(rpcsvc_request_xid(cs->req), NFS3_MKNOD, stat, op_errno, &cs->fh, cs->resolvedloc.path); nfs3_mknod_reply(cs->req, stat, &cs->fh, buf, preparent, postparent); nfs3_call_state_wipe(cs); } return 0; } static int nfs3_mknod_device(nfs3_call_state_t *cs) { int ret = -EFAULT; dev_t devnum = 0; mode_t mode = 0; nfs_user_t nfu = { 0, }; if (!cs) return ret; devnum = makedev(cs->devnums.specdata1, cs->devnums.specdata2); if (cs->mknodtype == NF3CHR) mode = S_IFCHR; else mode = S_IFBLK; nfs_request_user_init(&nfu, cs->req); if (gf_attr_mode_set(cs->setattr_valid)) { cs->setattr_valid &= ~GF_SET_ATTR_MODE; mode |= cs->mode; ret = nfs_mknod(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, mode, devnum, nfs3svc_mknod_cbk, cs); } else ret = nfs_mknod(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, mode, devnum, nfs3svc_mknod_cbk, cs); return ret; } static int nfs3_mknod_fifo(nfs3_call_state_t *cs, mode_t mode) { int ret = -EFAULT; nfs_user_t nfu = { 0, }; if (!cs) return ret; nfs_request_user_init(&nfu, cs->req); if (gf_attr_mode_set(cs->setattr_valid)) { cs->setattr_valid &= ~GF_SET_ATTR_MODE; mode |= cs->mode; ret = nfs_mknod(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, mode, 0, nfs3svc_mknod_cbk, cs); } else ret = nfs_mknod(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, mode, 0, nfs3svc_mknod_cbk, cs); return ret; } static int nfs3_mknod_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); switch (cs->mknodtype) { case NF3CHR: case NF3BLK: ret = nfs3_mknod_device(cs); break; case NF3SOCK: ret = nfs3_mknod_fifo(cs, S_IFSOCK); break; case NF3FIFO: ret = nfs3_mknod_fifo(cs, S_IFIFO); break; default: ret = -EBADF; break; } if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_MKNOD, stat, -ret, cs->resolvedloc.path); nfs3_mknod_reply(cs->req, stat, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_mknod(rpcsvc_request_t *req, struct nfs3_fh *fh, char *name, mknoddata3 *nodedata) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; sattr3 *sattr = NULL; if ((!req) || (!fh) || (!name) || (!nodedata)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_mknod_call(rpcsvc_request_xid(req), fh, name, nodedata->type); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->mknodtype = nodedata->type; switch (nodedata->type) { case NF3CHR: case NF3BLK: cs->devnums = nodedata->mknoddata3_u.device.spec; sattr = &nodedata->mknoddata3_u.device.dev_attributes; cs->setattr_valid = nfs3_sattr3_to_setattr_valid(sattr, &cs->stbuf, &cs->mode); break; case NF3SOCK: case NF3FIFO: sattr = &nodedata->mknoddata3_u.pipe_attributes; cs->setattr_valid = nfs3_sattr3_to_setattr_valid(sattr, &cs->stbuf, &cs->mode); break; default: ret = -EBADF; goto nfs3err; } cs->parent = *fh; ret = nfs3_fh_resolve_and_resume(cs, fh, name, nfs3_mknod_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_MKNOD, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_mknod_reply(req, stat, NULL, NULL, NULL, NULL); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_mknod(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh fh = { {0}, }; mknod3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_mknod3args(&args, &fh, name); if (xdr_to_mknod3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_mknod(req, &fh, name, &args.what); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_MKNOD_FAIL, "MKNOD procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_remove_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preparent, struct iatt *postparent) { remove3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_remove3res(&res, stat, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_remove3res); return 0; } int32_t nfs3svc_remove_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } if (op_ret == 0) stat = NFS3_OK; nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_REMOVE, stat, op_errno, cs->resolvedloc.path); nfs3_remove_reply(cs->req, stat, preparent, postparent); nfs3_call_state_wipe(cs); return 0; } int __nfs3_remove(nfs3_call_state_t *cs) { int ret = -EFAULT; nfs_user_t nfu = { 0, }; ia_type_t type = 0; if (!cs) return ret; type = cs->resolvedloc.inode->ia_type; nfs_request_user_init(&nfu, cs->req); if (IA_ISDIR(type)) ret = nfs_rmdir(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_remove_cbk, cs); else ret = nfs_unlink(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_remove_cbk, cs); return ret; } int nfs3_remove_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); ret = __nfs3_remove(cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_REMOVE, stat, -ret, cs->resolvedloc.path); nfs3_remove_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_remove(rpcsvc_request_t *req, struct nfs3_fh *fh, char *name) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh) || (!name)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_fh_entry_call(rpcsvc_request_xid(req), "REMOVE", fh, name); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, name, nfs3_remove_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_REMOVE, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_remove_reply(req, stat, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_remove(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh fh = { {0}, }; remove3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_remove3args(&args, &fh, name); if (xdr_to_remove3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_remove(req, &fh, name); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_REMOVE_FAIL, "REMOVE procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_rmdir_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *preparent, struct iatt *postparent) { rmdir3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_rmdir3res(&res, stat, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_rmdir3res); return 0; } int32_t nfs3svc_rmdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { gf_msg(GF_NFS, GF_LOG_WARNING, op_errno, NFS_MSG_RMDIR_CBK, "%x: %s => -1 (%s)", rpcsvc_request_xid(cs->req), cs->resolvedloc.path, strerror(op_errno)); stat = nfs3_cbk_errno_status(op_ret, op_errno); } else { stat = NFS3_OK; } nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_RMDIR, stat, op_errno, cs->resolvedloc.path); nfs3_rmdir_reply(cs->req, stat, preparent, postparent); nfs3_call_state_wipe(cs); return 0; } int nfs3_rmdir_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_rmdir(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_rmdir_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_RMDIR, stat, -ret, cs->resolvedloc.path); nfs3_rmdir_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_rmdir(rpcsvc_request_t *req, struct nfs3_fh *fh, char *name) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh) || (!name)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_fh_entry_call(rpcsvc_request_xid(req), "RMDIR", fh, name); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(name, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, name, nfs3_rmdir_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_RMDIR, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_rmdir_reply(req, stat, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_rmdir(rpcsvc_request_t *req) { char name[NFS_PATH_MAX]; struct nfs3_fh fh = { {0}, }; rmdir3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_rmdir3args(&args, &fh, name); if (xdr_to_rmdir3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_rmdir(req, &fh, name); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_DIR_OP_FAIL, "RMDIR procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_rename_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *buf, struct iatt *preoldparent, struct iatt *postoldparent, struct iatt *prenewparent, struct iatt *postnewparent) { rename3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_rename3res(&res, stat, buf, preoldparent, postoldparent, prenewparent, postnewparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_rename3res); return 0; } int32_t nfs3svc_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, struct iatt *preoldparent, struct iatt *postoldparent, struct iatt *prenewparent, struct iatt *postnewparent, dict_t *xdata) { int ret = -EFAULT; nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } stat = NFS3_OK; nfs3err: nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_RENAME, stat, -ret, cs->resolvedloc.path); nfs3_rename_reply(cs->req, stat, buf, preoldparent, postoldparent, prenewparent, postnewparent); nfs3_call_state_wipe(cs); return 0; } int nfs3_rename_resume_dst(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); cs->parent = cs->resolvefh; nfs_request_user_init(&nfu, cs->req); ret = nfs_rename(cs->nfsx, cs->vol, &nfu, &cs->oploc, &cs->resolvedloc, nfs3svc_rename_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_RENAME, stat, -ret, cs->resolvedloc.path); nfs3_rename_reply(cs->req, stat, NULL, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_rename_resume_src(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); /* Copy the resolved loc for the source file into another loc * for safekeeping till we resolve the dest loc. */ nfs_loc_copy(&cs->oploc, &cs->resolvedloc); nfs_loc_wipe(&cs->resolvedloc); GF_FREE(cs->resolventry); ret = nfs3_fh_resolve_and_resume(cs, &cs->fh, cs->pathname, nfs3_rename_resume_dst); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_RENAME, stat, -ret, cs->resolvedloc.path); nfs3_rename_reply(cs->req, stat, NULL, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_rename(rpcsvc_request_t *req, struct nfs3_fh *olddirfh, char *oldname, struct nfs3_fh *newdirfh, char *newname) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!olddirfh) || (!oldname) || (!newdirfh) || (!newname)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_rename_call(rpcsvc_request_xid(req), olddirfh, oldname, newdirfh, newname); nfs3_validate_gluster_fh(olddirfh, stat, nfs3err); nfs3_validate_gluster_fh(newdirfh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(oldname, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_validate_strlen_or_goto(newname, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, olddirfh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, olddirfh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); /* While we resolve the source (fh, name) pair, we need to keep a copy * of the dest (fh,name) pair. */ cs->fh = *newdirfh; cs->pathname = gf_strdup(newname); if (!cs->pathname) { stat = NFS3ERR_SERVERFAULT; ret = -1; goto nfs3err; } ret = nfs3_fh_resolve_and_resume(cs, olddirfh, oldname, nfs3_rename_resume_src); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_RENAME, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_rename_reply(req, stat, NULL, NULL, NULL, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_rename(rpcsvc_request_t *req) { char newname[NFS_PATH_MAX]; char oldname[NFS_PATH_MAX]; struct nfs3_fh olddirfh = { {0}, }; struct nfs3_fh newdirfh = { {0}, }; rename3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_rename3args(&args, &olddirfh, oldname, &newdirfh, newname); if (xdr_to_rename3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_rename(req, &olddirfh, oldname, &newdirfh, newname); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RENAME_FAIL, "RENAME procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_link_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *buf, struct iatt *preparent, struct iatt *postparent) { link3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_link3res(&res, stat, buf, preparent, postparent, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_link3res); return 0; } int32_t nfs3svc_link_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *buf, struct iatt *preparent, struct iatt *postparent, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } else stat = NFS3_OK; nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_LINK, stat, op_errno, cs->resolvedloc.path); nfs3_link_reply(cs->req, stat, buf, preparent, postparent); nfs3_call_state_wipe(cs); return 0; } int nfs3_link_resume_lnk(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_new_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_link(cs->nfsx, cs->vol, &nfu, &cs->oploc, &cs->resolvedloc, nfs3svc_link_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_LINK, stat, -ret, cs->resolvedloc.path); nfs3_link_reply(cs->req, stat, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_link_resume_tgt(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_loc_copy(&cs->oploc, &cs->resolvedloc); nfs_loc_wipe(&cs->resolvedloc); ret = nfs3_fh_resolve_and_resume(cs, &cs->fh, cs->pathname, nfs3_link_resume_lnk); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_LINK, stat, -ret, cs->resolvedloc.path); nfs3_link_reply(cs->req, stat, NULL, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_link(rpcsvc_request_t *req, struct nfs3_fh *targetfh, struct nfs3_fh *dirfh, char *newname) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!targetfh) || (!dirfh) || (!newname)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_validate_gluster_fh(dirfh, stat, nfs3err); nfs3_validate_gluster_fh(targetfh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_validate_strlen_or_goto(newname, NFS_NAME_MAX, nfs3err, stat, ret); nfs3_map_fh_to_volume(nfs3, dirfh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, dirfh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->fh = *dirfh; cs->pathname = gf_strdup(newname); if (!cs->pathname) { stat = NFS3ERR_SERVERFAULT; ret = -1; goto nfs3err; } ret = nfs3_fh_resolve_and_resume(cs, targetfh, NULL, nfs3_link_resume_tgt); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_LINK, stat, -ret, cs ? cs->pathname : NULL); nfs3_link_reply(req, stat, NULL, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_link(rpcsvc_request_t *req) { char newpath[NFS_PATH_MAX]; struct nfs3_fh dirfh = { {0}, }; struct nfs3_fh targetfh = { {0}, }; link3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_link3args(&args, &targetfh, &dirfh, newpath); if (xdr_to_link3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_link(req, &targetfh, &dirfh, newpath); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EXDEV, NFS_MSG_LINK_FAIL, "LINK procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_readdirp_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *dirfh, uint64_t cverf, struct iatt *dirstat, gf_dirent_t *entries, count3 dircount, count3 maxcount, int is_eof) { readdirp3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_readdirp3res(&res, stat, dirfh, cverf, dirstat, entries, dircount, maxcount, is_eof, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_readdirp3res); nfs3_free_readdirp3res(&res); return 0; } int nfs3_readdir_reply(rpcsvc_request_t *req, nfsstat3 stat, struct nfs3_fh *dirfh, uint64_t cverf, struct iatt *dirstat, gf_dirent_t *entries, count3 count, int is_eof) { readdir3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_readdir3res(&res, stat, dirfh, cverf, dirstat, entries, count, is_eof, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_readdir3res); nfs3_free_readdir3res(&res); return 0; } int32_t nfs3svc_readdir_fstat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int is_eof = 0; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto nfs3err; } /* Check whether we encountered a end of directory stream while * readdir'ing. */ if (cs->operrno == ENOENT) { gf_msg_trace(GF_NFS3, 0, "Reached end-of-directory"); is_eof = 1; } stat = NFS3_OK; /* do inode linking here */ gf_link_inodes_from_dirent(this, cs->fd->inode, &cs->entries); nfs3err: if (cs->maxcount == 0) { nfs3_log_readdir_res(rpcsvc_request_xid(cs->req), stat, op_errno, (uintptr_t)cs->fd, cs->dircount, is_eof, cs->resolvedloc.path); nfs3_readdir_reply(cs->req, stat, &cs->parent, (uintptr_t)cs->fd, buf, &cs->entries, cs->dircount, is_eof); } else { nfs3_log_readdirp_res(rpcsvc_request_xid(cs->req), stat, op_errno, (uintptr_t)cs->fd, cs->dircount, cs->maxcount, is_eof, cs->resolvedloc.path); nfs3_readdirp_reply(cs->req, stat, &cs->parent, (uintptr_t)cs->fd, buf, &cs->entries, cs->dircount, cs->maxcount, is_eof); } if (is_eof) { /* do nothing */ } nfs3_call_state_wipe(cs); return 0; } int32_t nfs3svc_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, gf_dirent_t *entries, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); goto err; } cs->operrno = op_errno; list_splice_init(&entries->list, &cs->entries.list); nfs_request_user_init(&nfu, cs->req); ret = nfs_fstat(cs->nfsx, cs->vol, &nfu, cs->fd, nfs3svc_readdir_fstat_cbk, cs); if (ret < 0) { op_ret = -1; stat = nfs3_errno_to_nfsstat3(-ret); op_errno = -ret; } err: if (op_ret >= 0) goto ret; if (cs->maxcount == 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIR, stat, op_errno, cs->resolvedloc.path); nfs3_readdir_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0); } else { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIRP, stat, op_errno, cs->resolvedloc.path); nfs3_readdirp_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0, 0); } /* For directories, we force a purge from the fd cache on close * so that next time the dir is read, we'll get any changed directory * entries. */ nfs3_call_state_wipe(cs); ret: return 0; } int nfs3_readdir_process(nfs3_call_state_t *cs) { int ret = -EFAULT; nfs_user_t nfu = { 0, }; if (!cs) return ret; nfs_request_user_init(&nfu, cs->req); ret = nfs_readdirp(cs->nfsx, cs->vol, &nfu, cs->fd, cs->dircount, cs->cookie, nfs3svc_readdir_cbk, cs); return ret; } int nfs3_readdir_read_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; struct nfs3_state *nfs3 = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs3 = rpcsvc_request_program_private(cs->req); ret = nfs3_verify_dircookie(nfs3, cs->fd, cs->cookie, cs->cookieverf, &stat); if (ret < 0) /* Stat already set by verifier function above. */ goto nfs3err; ret = nfs3_readdir_process(cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { if (cs->maxcount == 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIR, stat, -ret, cs->resolvedloc.path); nfs3_readdir_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0); } else { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIRP, stat, -ret, cs->resolvedloc.path); nfs3_readdirp_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0, 0); } nfs3_call_state_wipe(cs); } return 0; } int32_t nfs3svc_readdir_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata) { /* * We don't really need this, it's just an artifact of forcing the * opendir to happen. */ if (fd) { fd_unref(fd); } return 0; } int nfs3_readdir_open_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); cs->fd = fd_anonymous(cs->resolvedloc.inode); if (!cs->fd) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ANONYMOUS_FD_FAIL, "Fail to create anonymous fd"); goto nfs3err; } /* * NFS client will usually send us a readdirp without an opendir, * which would cause us to skip our usual self-heal checks which occur * in opendir for native protocol. To make sure those checks do happen, * our most reliable option is to do our own opendir for any readdirp * at the beginning of the directory. */ if (cs->cookie == 0) { nfs_request_user_init(&nfu, cs->req); ret = nfs_opendir(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_readdir_opendir_cbk, cs); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_DIR_OP_FAIL, "auto-opendir failed"); } } ret = nfs3_readdir_read_resume(cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { if (cs->maxcount == 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIR, stat, -ret, cs->resolvedloc.path); nfs3_readdir_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0); } else { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_READDIRP, stat, -ret, cs->resolvedloc.path); nfs3_readdirp_reply(cs->req, stat, NULL, 0, NULL, NULL, 0, 0, 0); } nfs3_call_state_wipe(cs); } return ret; } int nfs3_readdir(rpcsvc_request_t *req, struct nfs3_fh *fh, cookie3 cookie, uint64_t cverf, count3 dircount, count3 maxcount) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; struct nfs_state *nfs = NULL; gf_boolean_t is_readdirp = !!maxcount; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_readdir_call(rpcsvc_request_xid(req), fh, dircount, maxcount); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); nfs = nfs_state(nfs3->nfsx); if (is_readdirp && !nfs->rdirplus) { ret = -ENOTSUP; stat = nfs3_errno_to_nfsstat3(-ret); goto nfs3err; } cs->cookieverf = cverf; cs->dircount = dircount; cs->maxcount = maxcount; cs->cookie = cookie; cs->parent = *fh; ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_readdir_open_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { if (!is_readdirp) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_READDIR, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_readdir_reply(req, stat, NULL, 0, NULL, NULL, 0, 0); } else { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_READDIRP, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_readdirp_reply(req, stat, NULL, 0, NULL, NULL, 0, 0, 0); } /* Ret must be NULL after this so that the caller does not * also send an RPC reply. */ ret = 0; nfs3_call_state_wipe(cs); } out: return ret; } int nfs3svc_readdir(rpcsvc_request_t *req) { readdir3args ra; struct nfs3_fh fh = { {0}, }; int ret = RPCSVC_ACTOR_ERROR; uint64_t verf = 0; uint64_t *cval; if (!req) return ret; nfs3_prep_readdir3args(&ra, &fh); if (xdr_to_readdir3args(req->msg[0], &ra) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } cval = (uint64_t *)ra.cookieverf; verf = *cval; ret = nfs3_readdir(req, &fh, ra.cookie, verf, ra.count, 0); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_READDIR_FAIL, "READDIR procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3svc_readdirp(rpcsvc_request_t *req) { readdirp3args ra; struct nfs3_fh fh = { {0}, }; int ret = RPCSVC_ACTOR_ERROR; uint64_t cverf = 0; uint64_t *cval; if (!req) return ret; nfs3_prep_readdirp3args(&ra, &fh); if (xdr_to_readdirp3args(req->msg[0], &ra) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } cval = (uint64_t *)ra.cookieverf; cverf = *cval; ret = nfs3_readdir(req, &fh, ra.cookie, cverf, ra.dircount, ra.maxcount); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_READDIRP_FAIL, "READDIRP procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_fsstat_reply(rpcsvc_request_t *req, nfsstat3 stat, struct statvfs *fsbuf, struct iatt *postbuf) { fsstat3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_fsstat3res(&res, stat, fsbuf, postbuf, deviceid); return nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_fsstat3res); } int32_t nfs3_fsstat_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } else stat = NFS3_OK; nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_FSSTAT, stat, op_errno, cs->resolvedloc.path); nfs3_fsstat_reply(cs->req, stat, &cs->fsstat, buf); nfs3_call_state_wipe(cs); return 0; } int32_t nfs3_fsstat_statfs_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct statvfs *buf, dict_t *xdata) { nfs_user_t nfu = { 0, }; int ret = -EFAULT; nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { ret = -op_errno; stat = nfs3_cbk_errno_status(op_ret, op_errno); goto err; } /* Then get the stat for the fs root in order to fill in the * post_op_attr. */ cs->fsstat = *buf; nfs_request_user_init(&nfu, cs->req); ret = nfs_stat(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3_fsstat_stat_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_FSSTAT, stat, -ret, cs->resolvedloc.path); nfs3_fsstat_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return 0; } int nfs3_fsstat_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nfs_user_t nfu = { 0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); /* First, we need to get the statvfs for the subvol */ ret = nfs_statfs(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3_fsstat_statfs_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_FSSTAT, stat, -ret, cs->resolvedloc.path); nfs3_fsstat_reply(cs->req, stat, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_fsstat(rpcsvc_request_t *req, struct nfs3_fh *fh) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_common_call(rpcsvc_request_xid(req), "FSSTAT", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_fsstat_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_FSSTAT, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_fsstat_reply(req, stat, NULL, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_fsstat(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; fsstat3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_fsstat3args(&args, &fh); if (xdr_to_fsstat3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_fsstat(req, &fh); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_FSTAT_FAIL, "FSTAT procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_fsinfo_reply(rpcsvc_request_t *req, nfsstat3 status, struct iatt *fsroot) { fsinfo3res res; struct nfs3_state *nfs3 = NULL; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3 = rpcsvc_request_program_private(req); nfs3_fill_fsinfo3res(nfs3, &res, status, fsroot, deviceid); nfs3svc_submit_reply(req, &res, (nfs3_serializer)xdr_serialize_fsinfo3res); return 0; } int32_t nfs3svc_fsinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { nfsstat3 status = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { status = nfs3_cbk_errno_status(op_ret, op_errno); } else status = NFS3_OK; nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_FSINFO, status, op_errno, cs->resolvedloc.path); nfs3_fsinfo_reply(cs->req, status, buf); nfs3_call_state_wipe(cs); return 0; } int nfs3_fsinfo_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_stat(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_fsinfo_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_FSINFO, stat, -ret, cs->resolvedloc.path); nfs3_fsinfo_reply(cs->req, stat, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_fsinfo(rpcsvc_request_t *req, struct nfs3_fh *fh) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_common_call(rpcsvc_request_xid(req), "FSINFO", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_fsinfo_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_FSINFO, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_fsinfo_reply(req, stat, NULL); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_fsinfo(rpcsvc_request_t *req) { int ret = RPCSVC_ACTOR_ERROR; fsinfo3args args; struct nfs3_fh root = { {0}, }; if (!req) return ret; nfs3_prep_fsinfo3args(&args, &root); if (xdr_to_fsinfo3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding arguments"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_fsinfo(req, &root); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_FSINFO_FAIL, "FSINFO procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_pathconf_reply(rpcsvc_request_t *req, nfsstat3 stat, struct iatt *buf) { pathconf3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_pathconf3res(&res, stat, buf, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_pathconf3res); return 0; } int32_t nfs3svc_pathconf_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) { struct iatt *sbuf = NULL; nfs3_call_state_t *cs = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } else { /* If stat fop failed, we can still send the other components * in a pathconf reply. */ sbuf = buf; stat = NFS3_OK; } nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_PATHCONF, stat, op_errno, cs->resolvedloc.path); nfs3_pathconf_reply(cs->req, stat, sbuf); nfs3_call_state_wipe(cs); return 0; } int nfs3_pathconf_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); nfs_request_user_init(&nfu, cs->req); ret = nfs_stat(cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, nfs3svc_pathconf_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_PATHCONF, stat, -ret, cs->resolvedloc.path); nfs3_pathconf_reply(cs->req, stat, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_pathconf(rpcsvc_request_t *req, struct nfs3_fh *fh) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_common_call(rpcsvc_request_xid(req), "PATHCONF", fh); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_pathconf_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_PATHCONF, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_pathconf_reply(req, stat, NULL); nfs3_call_state_wipe(cs); /* Ret must be 0 after this so that the caller does not * also send an RPC reply. */ ret = 0; } out: return ret; } int nfs3svc_pathconf(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; pathconf3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_pathconf3args(&args, &fh); if (xdr_to_pathconf3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_pathconf(req, &fh); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, -ret, NFS_MSG_PATHCONF_FAIL, "PATHCONF procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } int nfs3_commit_reply(rpcsvc_request_t *req, nfsstat3 stat, uint64_t wverf, struct iatt *prestat, struct iatt *poststat) { commit3res res = { 0, }; uint64_t deviceid = 0; deviceid = nfs3_request_xlator_deviceid(req); nfs3_fill_commit3res(&res, stat, wverf, prestat, poststat, deviceid); nfs3svc_submit_reply(req, (void *)&res, (nfs3_serializer)xdr_serialize_commit3res); return 0; } int32_t nfs3svc_commit_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *xdata) { nfsstat3 stat = NFS3ERR_SERVERFAULT; nfs3_call_state_t *cs = NULL; struct nfs3_state *nfs3 = NULL; cs = frame->local; if (op_ret == -1) { stat = nfs3_cbk_errno_status(op_ret, op_errno); } else stat = NFS3_OK; nfs3 = rpcsvc_request_program_private(cs->req); nfs3_log_commit_res(rpcsvc_request_xid(cs->req), stat, op_errno, nfs3->serverstart, cs->resolvedloc.path); nfs3_commit_reply(cs->req, stat, nfs3->serverstart, NULL, NULL); nfs3_call_state_wipe(cs); return 0; } int nfs3_commit_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs_user_t nfu = { 0, }; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); if (nfs3_export_sync_trusted(cs->nfs3state, cs->resolvefh.exportid)) { ret = -1; stat = NFS3_OK; goto nfs3err; } nfs_request_user_init(&nfu, cs->req); ret = nfs_flush(cs->nfsx, cs->vol, &nfu, cs->fd, nfs3svc_commit_cbk, cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_COMMIT, stat, -ret, cs->resolvedloc.path); nfs3_commit_reply(cs->req, stat, cs->nfs3state->serverstart, NULL, NULL); nfs3_call_state_wipe(cs); ret = 0; } return 0; } int nfs3_commit_open_resume(void *carg) { nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs3_check_fh_resolve_status(cs, stat, nfs3err); cs->fd = fd_anonymous(cs->resolvedloc.inode); if (!cs->fd) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ANONYMOUS_FD_FAIL, "Failed to create anonymous fd."); goto nfs3err; } ret = nfs3_commit_resume(cs); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(cs->req), NFS3_COMMIT, stat, -ret, cs->resolvedloc.path); nfs3_commit_reply(cs->req, stat, 0, NULL, NULL); nfs3_call_state_wipe(cs); } return ret; } int nfs3_commit(rpcsvc_request_t *req, struct nfs3_fh *fh, offset3 offset, count3 count) { xlator_t *vol = NULL; nfsstat3 stat = NFS3ERR_SERVERFAULT; int ret = -EFAULT; struct nfs3_state *nfs3 = NULL; nfs3_call_state_t *cs = NULL; if ((!req) || (!fh)) { gf_msg(GF_NFS3, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Bad arguments"); return -1; } nfs3_log_rw_call(rpcsvc_request_xid(req), "COMMIT", fh, offset, count, -1); nfs3_validate_gluster_fh(fh, stat, nfs3err); nfs3_validate_nfs3_state(req, nfs3, stat, nfs3err, ret); nfs3_map_fh_to_volume(nfs3, fh, req, vol, stat, nfs3err); nfs3_volume_started_check(nfs3, vol, ret, out); nfs3_check_rw_volaccess(nfs3, fh->exportid, stat, nfs3err); nfs3_handle_call_state_init(nfs3, cs, req, vol, stat, nfs3err); cs->datacount = count; cs->dataoffset = offset; ret = nfs3_fh_resolve_and_resume(cs, fh, NULL, nfs3_commit_open_resume); if (ret < 0) stat = nfs3_errno_to_nfsstat3(-ret); nfs3err: if (ret < 0) { nfs3_log_common_res(rpcsvc_request_xid(req), NFS3_COMMIT, stat, -ret, cs ? cs->resolvedloc.path : NULL); nfs3_commit_reply(req, stat, 0, NULL, NULL); nfs3_call_state_wipe(cs); ret = 0; } out: return ret; } int nfs3svc_commit(rpcsvc_request_t *req) { struct nfs3_fh fh = { {0}, }; commit3args args; int ret = RPCSVC_ACTOR_ERROR; if (!req) return ret; nfs3_prep_commit3args(&args, &fh); if (xdr_to_commit3args(req->msg[0], &args) <= 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr(req, GARBAGE_ARGS); goto rpcerr; } ret = nfs3_commit(req, &fh, args.offset, args.count); if ((ret < 0) && (ret != RPCSVC_ACTOR_IGNORE)) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_COMMIT_FAIL, "COMMIT procedure failed"); rpcsvc_request_seterr(req, SYSTEM_ERR); ret = RPCSVC_ACTOR_ERROR; } rpcerr: return ret; } rpcsvc_actor_t nfs3svc_actors[NFS3_PROC_COUNT] = { {"NULL", NFS3_NULL, nfs3svc_null, NULL, 0, DRC_IDEMPOTENT}, {"GETATTR", NFS3_GETATTR, nfs3svc_getattr, NULL, 0, DRC_IDEMPOTENT}, {"SETATTR", NFS3_SETATTR, nfs3svc_setattr, NULL, 0, DRC_NON_IDEMPOTENT}, {"LOOKUP", NFS3_LOOKUP, nfs3svc_lookup, NULL, 0, DRC_IDEMPOTENT}, {"ACCESS", NFS3_ACCESS, nfs3svc_access, NULL, 0, DRC_IDEMPOTENT}, {"READLINK", NFS3_READLINK, nfs3svc_readlink, NULL, 0, DRC_IDEMPOTENT}, {"READ", NFS3_READ, nfs3svc_read, NULL, 0, DRC_IDEMPOTENT}, {"WRITE", NFS3_WRITE, nfs3svc_write, nfs3svc_write_vecsizer, 0, DRC_NON_IDEMPOTENT}, {"CREATE", NFS3_CREATE, nfs3svc_create, NULL, 0, DRC_NON_IDEMPOTENT}, {"MKDIR", NFS3_MKDIR, nfs3svc_mkdir, NULL, 0, DRC_NON_IDEMPOTENT}, {"SYMLINK", NFS3_SYMLINK, nfs3svc_symlink, NULL, 0, DRC_NON_IDEMPOTENT}, {"MKNOD", NFS3_MKNOD, nfs3svc_mknod, NULL, 0, DRC_NON_IDEMPOTENT}, {"REMOVE", NFS3_REMOVE, nfs3svc_remove, NULL, 0, DRC_NON_IDEMPOTENT}, {"RMDIR", NFS3_RMDIR, nfs3svc_rmdir, NULL, 0, DRC_NON_IDEMPOTENT}, {"RENAME", NFS3_RENAME, nfs3svc_rename, NULL, 0, DRC_NON_IDEMPOTENT}, {"LINK", NFS3_LINK, nfs3svc_link, NULL, 0, DRC_NON_IDEMPOTENT}, {"READDIR", NFS3_READDIR, nfs3svc_readdir, NULL, 0, DRC_IDEMPOTENT}, {"READDIRPLUS", NFS3_READDIRP, nfs3svc_readdirp, NULL, 0, DRC_IDEMPOTENT}, {"FSSTAT", NFS3_FSSTAT, nfs3svc_fsstat, NULL, 0, DRC_IDEMPOTENT}, {"FSINFO", NFS3_FSINFO, nfs3svc_fsinfo, NULL, 0, DRC_IDEMPOTENT}, {"PATHCONF", NFS3_PATHCONF, nfs3svc_pathconf, NULL, 0, DRC_IDEMPOTENT}, {"COMMIT", NFS3_COMMIT, nfs3svc_commit, NULL, 0, DRC_IDEMPOTENT}}; rpcsvc_program_t nfs3prog = { .progname = "NFS3", .prognum = NFS_PROGRAM, .progver = NFS_V3, .progport = GF_NFS3_PORT, .actors = nfs3svc_actors, .numactors = NFS3_PROC_COUNT, /* Requests like FSINFO are sent before an auth scheme * is inited by client. See RFC 2623, Section 2.3.2. */ .min_auth = AUTH_NULL, }; /* * This function rounds up the input value to multiple of 4096. Min and Max * supported I/O size limits are 4KB (GF_NFS3_FILE_IO_SIZE_MIN) and * 1MB (GF_NFS3_FILE_IO_SIZE_MAX). */ void nfs3_iosize_roundup_4KB(uint64_t *ioszptr) { uint64_t iosize; uint64_t iopages; if (!ioszptr) return; iosize = *ioszptr; iopages = (iosize + GF_NFS3_IO_SIZE - 1) >> GF_NFS3_IO_SHIFT; iosize = (iopages * GF_NFS3_IO_SIZE); /* Double check - boundary conditions */ if (iosize < GF_NFS3_FILE_IO_SIZE_MIN) { iosize = GF_NFS3_FILE_IO_SIZE_MIN; } else if (iosize > GF_NFS3_FILE_IO_SIZE_MAX) { iosize = GF_NFS3_FILE_IO_SIZE_MAX; } *ioszptr = iosize; } int nfs3_init_options(struct nfs3_state *nfs3, dict_t *options) { int ret = -1; char *optstr = NULL; uint64_t size64 = 0; if ((!nfs3) || (!options)) return -1; /* nfs3.read-size */ nfs3->readsize = GF_NFS3_RTPREF; if (dict_get(options, "nfs3.read-size")) { ret = dict_get_str(options, "nfs3.read-size", &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: nfs3.read-size"); ret = -1; goto err; } ret = gf_string2uint64(optstr, &size64); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_FORMAT_FAIL, "Failed to format option: nfs3.read-size"); ret = -1; goto err; } nfs3_iosize_roundup_4KB(&size64); nfs3->readsize = size64; } /* nfs3.write-size */ nfs3->writesize = GF_NFS3_WTPREF; if (dict_get(options, "nfs3.write-size")) { ret = dict_get_str(options, "nfs3.write-size", &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: nfs3.write-size"); ret = -1; goto err; } ret = gf_string2uint64(optstr, &size64); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_FORMAT_FAIL, "Failed to format option: nfs3.write-size"); ret = -1; goto err; } nfs3_iosize_roundup_4KB(&size64); nfs3->writesize = size64; } /* nfs3.readdir.size */ nfs3->readdirsize = GF_NFS3_DTPREF; if (dict_get(options, "nfs3.readdir-size")) { ret = dict_get_str(options, "nfs3.readdir-size", &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: nfs3.readdir-size"); ret = -1; goto err; } ret = gf_string2uint64(optstr, &size64); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_FORMAT_FAIL, "Failed to format option: nfs3.readdir-size"); ret = -1; goto err; } nfs3_iosize_roundup_4KB(&size64); nfs3->readdirsize = size64; } /* We want to use the size of the biggest param for the io buffer size. */ nfs3->iobsize = nfs3->readsize; if (nfs3->iobsize < nfs3->writesize) nfs3->iobsize = nfs3->writesize; if (nfs3->iobsize < nfs3->readdirsize) nfs3->iobsize = nfs3->readdirsize; /* But this is the true size of each iobuf. We need this size to * accommodate the NFS headers also in the same buffer. */ nfs3->iobsize = nfs3->iobsize * 2; ret = 0; err: return ret; } int nfs3_init_subvolume_options(xlator_t *nfsx, struct nfs3_export *exp, dict_t *options) { int ret = -1; char *optstr = NULL; char searchkey[1024]; char *name = NULL; gf_boolean_t boolt = _gf_false; uuid_t volumeid = { 0, }; if ((!nfsx) || (!exp)) return -1; /* For init, fetch options from xlator but for * reconfigure, take the parameter */ if (!options) options = nfsx->options; if (!options) return (-1); gf_uuid_clear(volumeid); if (gf_nfs_dvm_off(nfs_state(nfsx))) goto no_dvm; ret = snprintf(searchkey, sizeof(searchkey), "nfs3.%s.volume-id", exp->subvol->name); if (ret < 0) { gf_msg(GF_MNT, GF_LOG_ERROR, 0, NFS_MSG_SNPRINTF_FAIL, "snprintf failed"); ret = -1; goto err; } if (dict_get(options, searchkey)) { ret = dict_get_str(options, searchkey, &optstr); if (ret < 0) { gf_msg(GF_MNT, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: %s", searchkey); ret = -1; goto err; } } else { gf_msg(GF_MNT, GF_LOG_ERROR, 0, NFS_MSG_VOLID_MISSING, "DVM is" " on but volume-id not given for volume: %s", exp->subvol->name); ret = -1; goto err; } if (optstr) { ret = gf_uuid_parse(optstr, volumeid); if (ret < 0) { gf_msg(GF_MNT, GF_LOG_ERROR, 0, NFS_MSG_PARSE_VOL_UUID_FAIL, "Failed to parse volume UUID"); ret = -1; goto err; } gf_uuid_copy(exp->volumeid, volumeid); } no_dvm: /* Volume Access */ name = exp->subvol->name; ret = snprintf(searchkey, sizeof(searchkey), "nfs3.%s.volume-access", name); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SNPRINTF_FAIL, "snprintf failed"); ret = -1; goto err; } exp->access = GF_NFS3_DEFAULT_VOLACCESS; if (dict_get(options, searchkey)) { ret = dict_get_str(options, searchkey, &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: %s", searchkey); ret = -1; goto err; } if (strcmp(optstr, "read-only") == 0) exp->access = GF_NFS3_VOLACCESS_RO; } ret = snprintf(searchkey, sizeof(searchkey), "rpc-auth.%s.unix", name); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SNPRINTF_FAIL, "snprintf failed"); ret = -1; goto err; } if (dict_get(options, searchkey)) { ret = dict_get_str(options, searchkey, &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: %s", searchkey); ret = -1; goto err; } } exp->trusted_sync = 0; ret = snprintf(searchkey, sizeof(searchkey), "nfs3.%s.trusted-sync", name); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SNPRINTF_FAIL, "snprintf failed"); ret = -1; goto err; } if (dict_get(options, searchkey)) { ret = dict_get_str(options, searchkey, &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: %s", searchkey); ret = -1; goto err; } ret = gf_string2boolean(optstr, &boolt); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_STR2BOOL_FAIL, "Failed to convert str " "to gf_boolean_t"); ret = -1; goto err; } if (boolt == _gf_true) exp->trusted_sync = 1; } exp->trusted_write = 0; ret = snprintf(searchkey, sizeof(searchkey), "nfs3.%s.trusted-write", name); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SNPRINTF_FAIL, "snprintf failed"); ret = -1; goto err; } if (dict_get(options, searchkey)) { ret = dict_get_str(options, searchkey, &optstr); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_READ_FAIL, "Failed to read option: %s", searchkey); ret = -1; goto err; } ret = gf_string2boolean(optstr, &boolt); if (ret < 0) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_STR2BOOL_FAIL, "Failed to convert str" " to gf_boolean_t"); ret = -1; goto err; } if (boolt == _gf_true) exp->trusted_write = 1; } /* If trusted-sync is on, then we also switch on trusted-write because * tw is included in ts. In write logic, we're then only checking for * tw. */ if (exp->trusted_sync) exp->trusted_write = 1; gf_msg_trace( GF_NFS3, 0, "%s: %s, %s, %s", exp->subvol->name, (exp->access == GF_NFS3_VOLACCESS_RO) ? "read-only" : "read-write", (exp->trusted_sync == 0) ? "no trusted_sync" : "trusted_sync", (exp->trusted_write == 0) ? "no trusted_write" : "trusted_write"); ret = 0; err: return ret; } struct nfs3_export * nfs3_init_subvolume(struct nfs3_state *nfs3, xlator_t *subvol) { int ret = -1; struct nfs3_export *exp = NULL; if ((!nfs3) || (!subvol)) return NULL; exp = GF_CALLOC(1, sizeof(*exp), gf_nfs_mt_nfs3_export); exp->subvol = subvol; INIT_LIST_HEAD(&exp->explist); gf_msg_trace(GF_NFS3, 0, "Initing state: %s", exp->subvol->name); ret = nfs3_init_subvolume_options(nfs3->nfsx, exp, NULL); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SUBVOL_INIT_FAIL, "Failed to init subvol"); goto exp_free; } ret = 0; exp_free: if (ret < 0) { GF_FREE(exp); exp = NULL; } return exp; } int nfs3_init_subvolumes(struct nfs3_state *nfs3) { int ret = -1; struct xlator_list *xl_list = NULL; struct nfs3_export *exp = NULL; if (!nfs3) return -1; xl_list = nfs3->nfsx->children; while (xl_list) { exp = nfs3_init_subvolume(nfs3, xl_list->xlator); if (!exp) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SUBVOL_INIT_FAIL, "Failed to init " "subvol: %s", xl_list->xlator->name); goto err; } list_add_tail(&exp->explist, &nfs3->exports); xl_list = xl_list->next; } ret = 0; err: return ret; } struct nfs3_state * nfs3_init_state(xlator_t *nfsx) { struct nfs3_state *nfs3 = NULL; int ret = -1; unsigned int localpool = 0; struct nfs_state *nfs = NULL; if ((!nfsx) || (!nfsx->private)) return NULL; nfs3 = (struct nfs3_state *)GF_CALLOC(1, sizeof(*nfs3), gf_nfs_mt_nfs3_state); if (!nfs3) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Memory allocation failed"); return NULL; } nfs = nfsx->private; ret = nfs3_init_options(nfs3, nfsx->options); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_OPT_INIT_FAIL, "Failed to init options"); goto ret; } nfs3->iobpool = nfsx->ctx->iobuf_pool; localpool = nfs->memfactor * GF_NFS_CONCURRENT_OPS_MULT; gf_msg_trace(GF_NFS3, 0, "local pool: %d", localpool); nfs3->localpool = mem_pool_new_ctx(nfsx->ctx, nfs3_call_state_t, localpool); if (!nfs3->localpool) { gf_msg(GF_NFS3, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "local mempool creation failed"); ret = -1; goto ret; } nfs3->nfsx = nfsx; nfs3->exportslist = nfsx->children; INIT_LIST_HEAD(&nfs3->exports); ret = nfs3_init_subvolumes(nfs3); if (ret == -1) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_SUBVOL_INIT_FAIL, "Failed to init per-subvolume state"); goto free_localpool; } nfs3->serverstart = (uint64_t)time(NULL); INIT_LIST_HEAD(&nfs3->fdlru); LOCK_INIT(&nfs3->fdlrulock); nfs3->fdcount = 0; ret = rpcsvc_create_listeners(nfs->rpcsvc, nfsx->options, nfsx->name); if (ret == -1) { gf_msg(GF_NFS, GF_LOG_ERROR, 0, NFS_MSG_LISTENERS_CREATE_FAIL, "Unable to create listeners"); goto free_localpool; } nfs->nfs3state = nfs3; ret = 0; free_localpool: if (ret == -1) mem_pool_destroy(nfs3->localpool); ret: if (ret == -1) { GF_FREE(nfs3); nfs3 = NULL; } return nfs3; } rpcsvc_program_t * nfs3svc_init(xlator_t *nfsx) { struct nfs3_state *nfs3 = NULL; if (!nfsx) return NULL; nfs3 = nfs3_init_state(nfsx); if (!nfs3) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_STATE_INIT_FAIL, "NFSv3 state init failed"); return NULL; } nfs3prog.private = nfs3; return &nfs3prog; } int nfs3_reconfigure_state(xlator_t *nfsx, dict_t *options) { int ret = -1; struct nfs3_export *exp = NULL; struct nfs_state *nfs = NULL; struct nfs3_state *nfs3 = NULL; if ((!nfsx) || (!nfsx->private) || (!options)) goto out; nfs = (struct nfs_state *)nfsx->private; nfs3 = nfs->nfs3state; if (!nfs3) goto out; ret = nfs3_init_options(nfs3, options); if (ret) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RECONF_FAIL, "Failed to reconfigure options"); goto out; } list_for_each_entry(exp, &nfs3->exports, explist) { ret = nfs3_init_subvolume_options(nfsx, exp, options); if (ret) { gf_msg(GF_NFS3, GF_LOG_ERROR, 0, NFS_MSG_RECONF_SUBVOL_FAIL, "Failed to reconfigure subvol options"); goto out; } } ret = 0; out: return ret; }