/* Unix SMB/CIFS implementation. NTVFS interface functions Copyright (C) Stefan (metze) Metzmacher 2004 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "ntvfs/ntvfs.h" /* connect/disconnect */ NTSTATUS ntvfs_connect(struct ntvfs_request *req, const char *sharename) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->connect) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->connect(ntvfs, req, sharename); } NTSTATUS ntvfs_disconnect(struct ntvfs_context *ntvfs_ctx) { struct ntvfs_module_context *ntvfs; if (ntvfs_ctx == NULL) { return NT_STATUS_INVALID_CONNECTION; } ntvfs = ntvfs_ctx->modules; if (!ntvfs->ops->disconnect) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->disconnect(ntvfs); } /* async setup - called by a backend that wants to setup any state for a async request */ NTSTATUS ntvfs_async_setup(struct ntvfs_request *req, void *private_data) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->async_setup) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->async_setup(ntvfs, req, private_data); } /* filesystem operations */ NTSTATUS ntvfs_fsinfo(struct ntvfs_request *req, union smb_fsinfo *fs) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->fsinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->fsinfo(ntvfs, req, fs); } /* path operations */ NTSTATUS ntvfs_unlink(struct ntvfs_request *req, union smb_unlink *unl) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->unlink) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->unlink(ntvfs, req, unl); } NTSTATUS ntvfs_chkpath(struct ntvfs_request *req, union smb_chkpath *cp) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->chkpath) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->chkpath(ntvfs, req, cp); } NTSTATUS ntvfs_qpathinfo(struct ntvfs_request *req, union smb_fileinfo *st) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->qpathinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->qpathinfo(ntvfs, req, st); } NTSTATUS ntvfs_setpathinfo(struct ntvfs_request *req, union smb_setfileinfo *st) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->setpathinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->setpathinfo(ntvfs, req, st); } NTSTATUS ntvfs_open(struct ntvfs_request *req, union smb_open *oi) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->open) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->open(ntvfs, req, oi); } NTSTATUS ntvfs_mkdir(struct ntvfs_request *req, union smb_mkdir *md) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->mkdir) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->mkdir(ntvfs, req, md); } NTSTATUS ntvfs_rmdir(struct ntvfs_request *req, struct smb_rmdir *rd) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->rmdir) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->rmdir(ntvfs, req, rd); } NTSTATUS ntvfs_rename(struct ntvfs_request *req, union smb_rename *ren) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->rename) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->rename(ntvfs, req, ren); } NTSTATUS ntvfs_copy(struct ntvfs_request *req, struct smb_copy *cp) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->copy) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->copy(ntvfs, req, cp); } /* directory search */ NTSTATUS ntvfs_search_first(struct ntvfs_request *req, union smb_search_first *io, void *private_data, bool ntvfs_callback(void *private_data, const union smb_search_data *file)) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->search_first) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->search_first(ntvfs, req, io, private_data, ntvfs_callback); } NTSTATUS ntvfs_search_next(struct ntvfs_request *req, union smb_search_next *io, void *private_data, bool ntvfs_callback(void *private_data, const union smb_search_data *file)) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->search_next) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->search_next(ntvfs, req, io, private_data, ntvfs_callback); } NTSTATUS ntvfs_search_close(struct ntvfs_request *req, union smb_search_close *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->search_close) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->search_close(ntvfs, req, io); } /* operations on open files */ NTSTATUS ntvfs_ioctl(struct ntvfs_request *req, union smb_ioctl *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->ioctl) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->ioctl(ntvfs, req, io); } NTSTATUS ntvfs_read(struct ntvfs_request *req, union smb_read *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->read) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->read(ntvfs, req, io); } NTSTATUS ntvfs_write(struct ntvfs_request *req, union smb_write *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->write) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->write(ntvfs, req, io); } NTSTATUS ntvfs_seek(struct ntvfs_request *req, union smb_seek *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->seek) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->seek(ntvfs, req, io); } NTSTATUS ntvfs_flush(struct ntvfs_request *req, union smb_flush *flush) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->flush) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->flush(ntvfs, req, flush); } NTSTATUS ntvfs_lock(struct ntvfs_request *req, union smb_lock *lck) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->lock) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->lock(ntvfs, req, lck); } NTSTATUS ntvfs_qfileinfo(struct ntvfs_request *req, union smb_fileinfo *info) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->qfileinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->qfileinfo(ntvfs, req, info); } NTSTATUS ntvfs_setfileinfo(struct ntvfs_request *req, union smb_setfileinfo *info) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->setfileinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->setfileinfo(ntvfs, req, info); } NTSTATUS ntvfs_close(struct ntvfs_request *req, union smb_close *io) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->close) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->close(ntvfs, req, io); } /* trans interface - used by IPC backend for pipes and RAP calls */ NTSTATUS ntvfs_trans(struct ntvfs_request *req, struct smb_trans2 *trans) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->trans) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->trans(ntvfs, req, trans); } /* trans2 interface - only used by CIFS backend to prover complete passthru for testing */ NTSTATUS ntvfs_trans2(struct ntvfs_request *req, struct smb_trans2 *trans2) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->trans2) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->trans2(ntvfs, req, trans2); } /* printing specific operations */ NTSTATUS ntvfs_lpq(struct ntvfs_request *req, union smb_lpq *lpq) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->lpq) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->lpq(ntvfs, req, lpq); } /* logoff - called when a vuid is closed */ NTSTATUS ntvfs_logoff(struct ntvfs_request *req) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->logoff) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->logoff(ntvfs, req); } NTSTATUS ntvfs_exit(struct ntvfs_request *req) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->exit) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->exit(ntvfs, req); } /* change notify request */ NTSTATUS ntvfs_notify(struct ntvfs_request *req, union smb_notify *info) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->notify) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->notify(ntvfs, req, info); } /* cancel an outstanding async request */ NTSTATUS ntvfs_cancel(struct ntvfs_request *req) { struct ntvfs_module_context *ntvfs = req->ctx->modules; if (!ntvfs->ops->cancel) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->ops->cancel(ntvfs, req); } /* initial setup */ NTSTATUS ntvfs_next_connect(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, const char *sharename) { if (!ntvfs->next || !ntvfs->next->ops->connect) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->connect(ntvfs->next, req, sharename); } NTSTATUS ntvfs_next_disconnect(struct ntvfs_module_context *ntvfs) { if (!ntvfs->next || !ntvfs->next->ops->disconnect) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->disconnect(ntvfs->next); } /* async_setup - called when setting up for a async request */ NTSTATUS ntvfs_next_async_setup(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, void *private_data) { if (!ntvfs->next || !ntvfs->next->ops->async_setup) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->async_setup(ntvfs->next, req, private_data); } /* filesystem operations */ NTSTATUS ntvfs_next_fsinfo(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_fsinfo *fs) { if (!ntvfs->next || !ntvfs->next->ops->fsinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->fsinfo(ntvfs->next, req, fs); } /* path operations */ NTSTATUS ntvfs_next_unlink(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_unlink *unl) { if (!ntvfs->next || !ntvfs->next->ops->unlink) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->unlink(ntvfs->next, req, unl); } NTSTATUS ntvfs_next_chkpath(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_chkpath *cp) { if (!ntvfs->next || !ntvfs->next->ops->chkpath) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->chkpath(ntvfs->next, req, cp); } NTSTATUS ntvfs_next_qpathinfo(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_fileinfo *st) { if (!ntvfs->next || !ntvfs->next->ops->qpathinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->qpathinfo(ntvfs->next, req, st); } NTSTATUS ntvfs_next_setpathinfo(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_setfileinfo *st) { if (!ntvfs->next || !ntvfs->next->ops->setpathinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->setpathinfo(ntvfs->next, req, st); } NTSTATUS ntvfs_next_mkdir(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_mkdir *md) { if (!ntvfs->next || !ntvfs->next->ops->mkdir) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->mkdir(ntvfs->next, req, md); } NTSTATUS ntvfs_next_rmdir(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, struct smb_rmdir *rd) { if (!ntvfs->next || !ntvfs->next->ops->rmdir) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->rmdir(ntvfs->next, req, rd); } NTSTATUS ntvfs_next_rename(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_rename *ren) { if (!ntvfs->next || !ntvfs->next->ops->rename) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->rename(ntvfs->next, req, ren); } NTSTATUS ntvfs_next_copy(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, struct smb_copy *cp) { if (!ntvfs->next || !ntvfs->next->ops->copy) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->copy(ntvfs->next, req, cp); } NTSTATUS ntvfs_next_open(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_open *oi) { if (!ntvfs->next || !ntvfs->next->ops->open) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->open(ntvfs->next, req, oi); } /* directory search */ NTSTATUS ntvfs_next_search_first(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_search_first *io, void *private_data, bool (*callback)(void *private_data, const union smb_search_data *file)) { if (!ntvfs->next || !ntvfs->next->ops->search_first) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->search_first(ntvfs->next, req, io, private_data, callback); } NTSTATUS ntvfs_next_search_next(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_search_next *io, void *private_data, bool (*callback)(void *private_data, const union smb_search_data *file)) { if (!ntvfs->next || !ntvfs->next->ops->search_next) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->search_next(ntvfs->next, req, io, private_data, callback); } NTSTATUS ntvfs_next_search_close(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_search_close *io) { if (!ntvfs->next || !ntvfs->next->ops->search_close) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->search_close(ntvfs->next, req, io); } /* operations on open files */ NTSTATUS ntvfs_next_ioctl(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_ioctl *io) { if (!ntvfs->next || !ntvfs->next->ops->ioctl) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->ioctl(ntvfs->next, req, io); } NTSTATUS ntvfs_next_read(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_read *io) { if (!ntvfs->next || !ntvfs->next->ops->read) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->read(ntvfs->next, req, io); } NTSTATUS ntvfs_next_write(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_write *io) { if (!ntvfs->next || !ntvfs->next->ops->write) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->write(ntvfs->next, req, io); } NTSTATUS ntvfs_next_seek(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_seek *io) { if (!ntvfs->next || !ntvfs->next->ops->seek) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->seek(ntvfs->next, req, io); } NTSTATUS ntvfs_next_flush(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_flush *flush) { if (!ntvfs->next || !ntvfs->next->ops->flush) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->flush(ntvfs->next, req, flush); } NTSTATUS ntvfs_next_lock(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_lock *lck) { if (!ntvfs->next || !ntvfs->next->ops->lock) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->lock(ntvfs->next, req, lck); } NTSTATUS ntvfs_next_qfileinfo(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_fileinfo *info) { if (!ntvfs->next || !ntvfs->next->ops->qfileinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->qfileinfo(ntvfs->next, req, info); } NTSTATUS ntvfs_next_setfileinfo(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_setfileinfo *info) { if (!ntvfs->next || !ntvfs->next->ops->setfileinfo) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->setfileinfo(ntvfs->next, req, info); } NTSTATUS ntvfs_next_close(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_close *io) { if (!ntvfs->next || !ntvfs->next->ops->close) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->close(ntvfs->next, req, io); } /* trans interface - used by IPC backend for pipes and RAP calls */ NTSTATUS ntvfs_next_trans(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, struct smb_trans2 *trans) { if (!ntvfs->next || !ntvfs->next->ops->trans) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->trans(ntvfs->next, req, trans); } /* trans2 interface - only used by CIFS backend to prover complete passthru for testing */ NTSTATUS ntvfs_next_trans2(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, struct smb_trans2 *trans2) { if (!ntvfs->next || !ntvfs->next->ops->trans2) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->trans2(ntvfs->next, req, trans2); } /* change notify request */ NTSTATUS ntvfs_next_notify(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_notify *info) { if (!ntvfs->next || !ntvfs->next->ops->notify) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->notify(ntvfs->next, req, info); } /* cancel - called to cancel an outstanding async request */ NTSTATUS ntvfs_next_cancel(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req) { if (!ntvfs->next || !ntvfs->next->ops->cancel) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->cancel(ntvfs->next, req); } /* printing specific operations */ NTSTATUS ntvfs_next_lpq(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req, union smb_lpq *lpq) { if (!ntvfs->next || !ntvfs->next->ops->lpq) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->lpq(ntvfs->next, req, lpq); } /* logoff - called when a vuid is closed */ NTSTATUS ntvfs_next_logoff(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req) { if (!ntvfs->next || !ntvfs->next->ops->logoff) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->logoff(ntvfs->next, req); } NTSTATUS ntvfs_next_exit(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req) { if (!ntvfs->next || !ntvfs->next->ops->exit) { return NT_STATUS_NOT_IMPLEMENTED; } return ntvfs->next->ops->exit(ntvfs->next, req); } /* oplock helpers */ NTSTATUS ntvfs_set_oplock_handler(struct ntvfs_context *ntvfs, NTSTATUS (*handler)(void *private_data, struct ntvfs_handle *handle, uint8_t level), void *private_data) { ntvfs->oplock.handler = handler; ntvfs->oplock.private_data = private_data; return NT_STATUS_OK; } NTSTATUS ntvfs_send_oplock_break(struct ntvfs_module_context *ntvfs, struct ntvfs_handle *handle, uint8_t level) { if (!ntvfs->ctx->oplock.handler) { return NT_STATUS_OK; } return ntvfs->ctx->oplock.handler(ntvfs->ctx->oplock.private_data, handle, level); } /* client connection callback */ NTSTATUS ntvfs_set_addr_callbacks(struct ntvfs_context *ntvfs, struct socket_address *(*my_addr)(void *private_data, TALLOC_CTX *mem_ctx), struct socket_address *(*peer_addr)(void *private_data, TALLOC_CTX *mem_ctx), void *private_data) { ntvfs->client.get_peer_addr = my_addr; ntvfs->client.get_my_addr = peer_addr; ntvfs->client.private_data = private_data; return NT_STATUS_OK; } struct socket_address *ntvfs_get_my_addr(struct ntvfs_module_context *ntvfs, TALLOC_CTX *mem_ctx) { if (!ntvfs->ctx->client.get_my_addr) { return NULL; } return ntvfs->ctx->client.get_my_addr(ntvfs->ctx->client.private_data, mem_ctx); } struct socket_address *ntvfs_get_peer_addr(struct ntvfs_module_context *ntvfs, TALLOC_CTX *mem_ctx) { if (!ntvfs->ctx->client.get_peer_addr) { return NULL; } return ntvfs->ctx->client.get_peer_addr(ntvfs->ctx->client.private_data, mem_ctx); }