diff options
Diffstat (limited to 'xlators/nfs/server/src/nfs3.c')
| -rw-r--r-- | xlators/nfs/server/src/nfs3.c | 5630 |
1 files changed, 5630 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nfs3.c b/xlators/nfs/server/src/nfs3.c new file mode 100644 index 000000000..f914c3193 --- /dev/null +++ b/xlators/nfs/server/src/nfs3.c @@ -0,0 +1,5630 @@ +/* + Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com> + 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. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "rpcsvc.h" +#include "dict.h" +#include "xlator.h" +#include "mount3.h" +#include "xdr-nfs3.h" +#include "msg-nfs3.h" +#include "iobuf.h" +#include "nfs3.h" +#include "mem-pool.h" +#include "logging.h" +#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 <sys/socket.h> +#include <sys/uio.h> +#include <sys/statvfs.h> +#include <time.h> + +#define nfs3_validate_strlen_or_goto(str, len, label, status, retval) \ + do { \ + if ((str)) { \ + if (strlen ((str)) > (len)) { \ + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS, GF_LOG_ERROR, "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 (!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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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) { \ + uuid_unparse (handle->exportid, exportid); \ + 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_log (GF_NFS3, GF_LOG_TRACE, "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_log (GF_NFS3, GF_LOG_ERROR, "Bad Handle"); \ + status = NFS3ERR_BADHANDLE; \ + goto errlabel; \ + } \ + } while (0) \ + +#define nfs3_check_fh_resolve_status(cst, nfstat, erlabl) \ + do { \ + xlator_t *xlatorp = NULL; \ + char buf[256], gfid[256]; \ + 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); \ + uuid_unparse (cst->resolvefh.gfid, gfid); \ + snprintf (buf, sizeof (buf), "(%s) %s : %s", \ + trans->peerinfo.identifier, \ + xlatorp ? xlatorp->name : "ERR", \ + gfid ); \ + gf_log (GF_NFS3, GF_LOG_ERROR, "%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[256]; \ + 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); \ + uuid_unparse (cst->resolvefh.gfid, gfid); \ + snprintf (buf, sizeof (buf), "(%s) %s : %s", \ + trans->peerinfo.identifier, \ + xlatorp ? xlatorp->name : "ERR", \ + gfid); \ + gf_log (GF_NFS3, GF_LOG_ERROR, "%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) { + uuid_copy (volumeid, exp->volumeid); + ret = 0; + goto out; + } + } + +out: + return ret; +} + + +#define nfs3_funge_solaris_zerolen_fh(nfs3st, fhd, enam, nfsst, erl) \ + do { \ + xlator_t *fungexl = NULL; \ + uuid_t zero = {0, }; \ + fungexl =nfs_mntpath_to_xlator ((nfs3st)->exportslist,enam);\ + if (!fungexl) { \ + (nfsst) = NFS3ERR_NOENT; \ + goto erl; \ + } \ + \ + uuid_copy ((fhd)->gfid, zero); \ + (fhd)->gfid[15] = 1; \ + (enam) = NULL; \ + 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) { \ + (nfsst) = NFS3ERR_STALE; \ + goto erl; \ + } \ + } \ + } while (0) \ + + +#define nfs3_volume_started_check(nf3stt, vlm, rtval, erlbl) \ + do { \ + if ((!nfs_subvolume_started (nfs_state (nf3stt->nfsx), vlm))){\ + gf_log (GF_NFS3, GF_LOG_ERROR, "Volume is disabled: %s",\ + vlm->name); \ + rtval = RPCSVC_ACTOR_IGNORE; \ + goto erlbl; \ + } \ + } while (0) \ + + +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) + 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); + +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); + + cs = (nfs3_call_state_t *) mem_get (s->localpool); + if (!cs) { + gf_log (GF_NFS3, GF_LOG_ERROR, "out of memory"); + return NULL; + } + + memset (cs, 0, sizeof (*cs)); + 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) + return; + + if (cs->fd) { + gf_log (GF_NFS3, GF_LOG_TRACE, "fd 0x%lx ref: %d", + (long)cs->fd, 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. */ +} + + +#define nfs3_handle_call_state_init(nfs3state, calls, rq, vl ,opstat, errlabel)\ + do { \ + calls = nfs3_call_state_init ((nfs3state), (rq), (vl)); \ + if (!calls) { \ + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "Failed to serialize reply"); + goto ret; + } + + iobref = iobref_new (); + if (!iobref) { + gf_log (GF_NFS3, GF_LOG_ERROR, "failed on iobref_new()"); + goto ret; + } + + ret = iobref_add (iobref, iob); + if (ret) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "Failed to serialize reply"); + goto ret; + } + if (iobref == NULL) { + iobref = iobref_new (); + if (!iobref) { + gf_log (GF_NFS3, GF_LOG_ERROR, "failed on iobref_new"); + goto ret; + } + new_iobref = 1; + } + + ret = iobref_add (iobref, iob); + if (ret) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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 (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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + status = nfs3_cbk_errno_status (op_ret, op_errno); + } + + nfs3_log_common_res (rpcsvc_request_xid (cs->req), NFS3_GETATTR, + status, op_errno); + + 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_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 *)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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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->stbuf.ia_size)) { + nfs_request_user_init (&nfu, cs->req); + ret = nfs_truncate (cs->nfsx, cs->vol, &nfu, &cs->resolvedloc, + cs->stbuf.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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + stat = nfs3_cbk_errno_status (op_ret, op_errno); + goto nfs3err; + } + + if (buf->ia_ctime != cs->timestamp.seconds) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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); + 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->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, -ret); + 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->stbuf, + NULL); + if (guard->check) { + gf_log (GF_NFS3, GF_LOG_TRACE, "Guard check required"); + cs->timestamp = guard->sattrguard3_u.obj_ctime; + cs->sattrguardcheck = 1; + } else { + gf_log (GF_NFS3, GF_LOG_TRACE, "Guard check not required"); + cs->sattrguardcheck = 0; + } + + if (!cs->setattr_valid) { + ret = -EINVAL; /* Force a reply */ + stat = NFS3_OK; + gf_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_DEBUG, "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) { + gf_log (GF_NFS, + (op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_WARNING), + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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, }; + struct nfs3_state *nfs3 = NULL; + + cs = frame->local; + if (op_ret == -1) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + } + +xmit_res: + nfs3_log_newfh_res (rpcsvc_request_xid (cs->req), NFS3_LOOKUP, status, + op_errno, &newfh); + 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_log (GF_NFS3, GF_LOG_ERROR, "Invalid argument," + " carg value NULL"); + return EINVAL; + } + + cs = (nfs3_call_state_t *)carg; + 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_log (GF_NFS3, GF_LOG_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); + 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_log (GF_NFS3, GF_LOG_ERROR, "Invalid argument," + " carg value NULL"); + return EINVAL; + } + + cs = (nfs3_call_state_t *)carg; + 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); + 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)) + nfs3_funge_solaris_zerolen_fh (nfs3, fh, name, stat, nfs3err); + 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_log (GF_NFS, GF_LOG_ERROR, "failed to start hard reslove"); + stat = nfs3_errno_to_nfsstat3 (-ret); + } + +nfs3err: + if (ret < 0) { + nfs3_log_common_res (rpcsvc_request_xid (req), NFS3_LOOKUP, + stat, + -ret); + nfs3_lookup_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_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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + status = nfs3_cbk_errno_status (op_ret, op_errno); + } + nfs3_log_common_res (rpcsvc_request_xid (cs->req), NFS3_ACCESS, status, + op_errno); + 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_log (GF_NFS3, GF_LOG_ERROR, "Invalid argument," + " carg value NULL"); + return EINVAL; + } + + cs = (nfs3_call_state_t *)carg; + 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); + 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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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_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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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_resolve_status (cs, stat, nfs3err); + fd = fd_anonymous (cs->resolvedloc.inode); + if (!fd) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%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_write_res (rpcsvc_request_xid (cs->req), stat, op_errno, + cs->maxcount, cs->writetype, nfs3->serverstart); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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_resolve_status (cs, stat, nfs3err); + fd = fd_anonymous (cs->resolvedloc.inode); + if (!fd) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Failed to create anonymous fd"); + goto nfs3err; + } + + cs->fd = fd; /* Gets unrefd when the call state is wiped. */ + +/* + enum stable_how { + UNSTABLE = 0, + DATA_SYNC = 1, + FILE_SYNC = 2, + }; +*/ + switch (cs->writetype) { + case UNSTABLE: + break; + case DATA_SYNC: + fd->flags |= O_DSYNC; + break; + case FILE_SYNC: + fd->flags |= O_SYNC; + break; + } + + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log ("nfs", GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + uuid_copy (cs->resolvedloc.gfid, inode->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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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_log (GF_NFS3, GF_LOG_DEBUG, + "Create req retransmitted verf %x %x", + cs->stbuf.ia_mtime, cs->stbuf.ia_atime); + stat = NFS3_OK; + nfs3_fh_build_child_fh (&cs->parent, buf, &cs->fh); + } else { + gf_log (GF_NFS3, GF_LOG_DEBUG, + "File already exist new_verf %x %x" + "old_verf %x %x", 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); + 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_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); + 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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "SYMLINK procedure failed"); + rpcsvc_request_seterr (req, SYSTEM_ERR); + ret = RPCSVC_ACTOR_ERROR; + } + +rpcerr: + return ret; +} + + +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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + nfs3_mknod_reply (cs->req, stat, &cs->fh, buf, preparent, + postparent); + nfs3_call_state_wipe (cs); + } + + return 0; +} + + +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; +} + + +int +nfs3_mknod_fifo (nfs3_call_state_t *cs) +{ + int ret = -EFAULT; + nfs_user_t nfu = {0, }; + mode_t mode = S_IFIFO; + + 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; +} + + +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: + case NF3FIFO: + ret = nfs3_mknod_fifo (cs); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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; + break; + } + + 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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS, GF_LOG_WARNING, + "%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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: rename %s -> %s => -1 (%s)", + rpcsvc_request_xid (cs->req), cs->oploc.path, + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: link %s <- %s => -1 (%s)", + rpcsvc_request_xid (cs->req), cs->oploc.path, + 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_LINK, stat, + op_errno); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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_log (GF_NFS3, GF_LOG_TRACE, "Reached end-of-directory"); + is_eof = 1; + } + + stat = NFS3_OK; +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); + 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); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "Faile 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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); + 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; + + if ((!req) || (!fh)) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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); + + 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 (maxcount == 0) { + nfs3_log_common_res (rpcsvc_request_xid (req), + NFS3_READDIR, stat, -ret); + nfs3_readdir_reply (req, stat, NULL, 0, NULL, NULL, 0, + 0); + } else { + nfs3_log_common_res (rpcsvc_request_xid (req), + NFS3_READDIRP, stat, -ret); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%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_FSSTAT, stat, + op_errno); + 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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%x: %s => -1 (%s)", rpcsvc_request_xid (cs->req), + cs->resolvedloc.path, strerror (op_errno)); + 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); + + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%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 { + /* 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); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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) { + gf_log (GF_NFS, GF_LOG_WARNING, + "%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 = rpcsvc_request_program_private (cs->req); + nfs3_log_commit_res (rpcsvc_request_xid (cs->req), stat, op_errno, + nfs3->serverstart); + 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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_ERROR, "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); + 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_log (GF_NFS3, GF_LOG_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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "Failed to read " + " option: nfs3.read-size"); + ret = -1; + goto err; + } + + ret = gf_string2bytesize (optstr, &size64); + if (ret == -1) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "Failed to read " + " option: nfs3.write-size"); + ret = -1; + goto err; + } + + ret = gf_string2bytesize (optstr, &size64); + if (ret == -1) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "Failed to read" + " option: nfs3.readdir-size"); + ret = -1; + goto err; + } + + ret = gf_string2bytesize (optstr, &size64); + if (ret == -1) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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; + + /* mem-factor */ + nfs3->memfactor = GF_NFS3_DEFAULT_MEMFACTOR; + 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); + + uuid_clear (volumeid); + if (gf_nfs_dvm_off (nfs_state (nfsx))) + goto no_dvm; + + ret = snprintf (searchkey, 1024, "nfs3.%s.volume-id",exp->subvol->name); + if (ret < 0) { + gf_log (GF_MNT, GF_LOG_ERROR, "snprintf failed"); + ret = -1; + goto err; + } + + if (dict_get (options, searchkey)) { + ret = dict_get_str (options, searchkey, &optstr); + if (ret < 0) { + gf_log (GF_MNT, GF_LOG_ERROR, "Failed to read option" + ": %s", searchkey); + ret = -1; + goto err; + } + } else { + gf_log (GF_MNT, GF_LOG_ERROR, "DVM is on but volume-id not " + "given for volume: %s", exp->subvol->name); + ret = -1; + goto err; + } + + if (optstr) { + ret = uuid_parse (optstr, volumeid); + if (ret < 0) { + gf_log (GF_MNT, GF_LOG_ERROR, "Failed to parse volume " + "UUID"); + ret = -1; + goto err; + } + uuid_copy (exp->volumeid, volumeid); + } + +no_dvm: + /* Volume Access */ + name = exp->subvol->name; + ret = snprintf (searchkey, 1024, "nfs3.%s.volume-access", name); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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, 1024, "rpc-auth.%s.unix", name); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "snprintf failed"); + ret = -1; + goto err; + } + + if (dict_get (options, searchkey)) { + ret = dict_get_str (options, searchkey, &optstr); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Failed to read " + " option: %s", searchkey); + ret = -1; + goto err; + } + } + + exp->trusted_sync = 0; + ret = snprintf (searchkey, 1024, "nfs3.%s.trusted-sync", name); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "snprintf failed"); + ret = -1; + goto err; + } + + if (dict_get (options, searchkey)) { + ret = dict_get_str (options, searchkey, &optstr); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Failed to read " + " option: %s", searchkey); + ret = -1; + goto err; + } + + ret = gf_string2boolean (optstr, &boolt); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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, 1024, "nfs3.%s.trusted-write", name); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "snprintf failed"); + ret = -1; + goto err; + } + + if (dict_get (options, searchkey)) { + ret = dict_get_str (options, searchkey, &optstr); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Failed to read " + " option: %s", searchkey); + ret = -1; + goto err; + } + + ret = gf_string2boolean (optstr, &boolt); + if (ret < 0) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_TRACE, "%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_log (GF_NFS3, GF_LOG_TRACE, "Initing state: %s", exp->subvol->name); + + ret = nfs3_init_subvolume_options (nfs3->nfsx, exp, NULL); + if (ret == -1) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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) + return NULL; + + nfs3 = (struct nfs3_state *)GF_CALLOC (1, sizeof (*nfs3), + gf_nfs_mt_nfs3_state); + if (!nfs3) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Memory allocation failed"); + return NULL; + } + + nfs = nfsx->private; + ret = nfs3_init_options (nfs3, nfsx->options); + if (ret == -1) { + gf_log (GF_NFS3, GF_LOG_ERROR, "Failed to init options"); + goto ret; + } + + nfs3->iobpool = nfsx->ctx->iobuf_pool; + + localpool = nfs3->memfactor * GF_NFS_CONCURRENT_OPS_MULT; + gf_log (GF_NFS3, GF_LOG_TRACE, "local pool: %d", localpool); + nfs3->localpool = mem_pool_new (nfs3_call_state_t, localpool); + if (!nfs3->localpool) { + gf_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, "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_log (GF_NFS3, GF_LOG_ERROR, + "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_log (GF_NFS3, GF_LOG_ERROR, + "Failed to reconfigure subvol options"); + goto out; + } + } + + ret = 0; +out: + return ret; +} |