Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2726 insertions, 0 deletions

diff --git a/source3/libsmb/libsmb_dir.c b/source3/libsmb/libsmb_dir.c
new file mode 100644
index 0000000..34d6731
--- /dev/null
+++ b/source3/libsmb/libsmb_dir.c
@@ -0,0 +1,2726 @@
+/*
+   Unix SMB/Netbios implementation.
+   SMB client library implementation
+   Copyright (C) Andrew Tridgell 1998
+   Copyright (C) Richard Sharpe 2000, 2002
+   Copyright (C) John Terpstra 2000
+   Copyright (C) Tom Jansen (Ninja ISD) 2002
+   Copyright (C) Derrell Lipman 2003-2008
+   Copyright (C) Jeremy Allison 2007, 2008
+
+   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 "libsmb/namequery.h"
+#include "libsmb/libsmb.h"
+#include "libsmbclient.h"
+#include "libsmb_internal.h"
+#include "rpc_client/cli_pipe.h"
+#include "../librpc/gen_ndr/ndr_srvsvc_c.h"
+#include "libsmb/nmblib.h"
+#include "../libcli/smb/smbXcli_base.h"
+#include "../libcli/security/security.h"
+#include "lib/util/tevent_ntstatus.h"
+#include "lib/util/time_basic.h"
+#include "lib/util/string_wrappers.h"
+
+/*
+ * Routine to open a directory
+ * We accept the URL syntax explained in SMBC_parse_path(), above.
+ */
+
+static void remove_dirplus(SMBCFILE *dir)
+{
+	struct smbc_dirplus_list *d = NULL;
+
+	d = dir->dirplus_list;
+	while (d != NULL) {
+		struct smbc_dirplus_list *f = d;
+		d = d->next;
+
+		SAFE_FREE(f->smb_finfo->short_name);
+		SAFE_FREE(f->smb_finfo->name);
+		SAFE_FREE(f->smb_finfo);
+		SAFE_FREE(f);
+	}
+
+	dir->dirplus_list = NULL;
+	dir->dirplus_end = NULL;
+	dir->dirplus_next = NULL;
+}
+
+static void
+remove_dir(SMBCFILE *dir)
+{
+	struct smbc_dir_list *d,*f;
+
+	d = dir->dir_list;
+	while (d) {
+
+		f = d; d = d->next;
+
+		SAFE_FREE(f->dirent);
+		SAFE_FREE(f);
+
+	}
+
+	dir->dir_list = dir->dir_end = dir->dir_next = NULL;
+
+}
+
+static int
+add_dirent(SMBCFILE *dir,
+           const char *name,
+           const char *comment,
+           uint32_t type)
+{
+	struct smbc_dirent *dirent;
+	int size;
+        int name_length = (name == NULL ? 0 : strlen(name));
+        int comment_len = (comment == NULL ? 0 : strlen(comment));
+
+	/*
+	 * Allocate space for the dirent, which must be increased by the
+	 * size of the name and the comment and 1 each for the null terminator.
+	 */
+
+	size = sizeof(struct smbc_dirent) + name_length + comment_len + 2;
+
+	dirent = (struct smbc_dirent *)SMB_MALLOC(size);
+
+	if (!dirent) {
+
+		dir->dir_error = ENOMEM;
+		return -1;
+
+	}
+
+	ZERO_STRUCTP(dirent);
+
+	if (dir->dir_list == NULL) {
+
+		dir->dir_list = SMB_MALLOC_P(struct smbc_dir_list);
+		if (!dir->dir_list) {
+
+			SAFE_FREE(dirent);
+			dir->dir_error = ENOMEM;
+			return -1;
+
+		}
+		ZERO_STRUCTP(dir->dir_list);
+
+		dir->dir_end = dir->dir_next = dir->dir_list;
+	}
+	else {
+
+		dir->dir_end->next = SMB_MALLOC_P(struct smbc_dir_list);
+
+		if (!dir->dir_end->next) {
+
+			SAFE_FREE(dirent);
+			dir->dir_error = ENOMEM;
+			return -1;
+
+		}
+		ZERO_STRUCTP(dir->dir_end->next);
+
+		dir->dir_end = dir->dir_end->next;
+	}
+
+	dir->dir_end->next = NULL;
+	dir->dir_end->dirent = dirent;
+
+	dirent->smbc_type = type;
+	dirent->namelen = name_length;
+	dirent->commentlen = comment_len;
+	dirent->dirlen = size;
+
+        /*
+         * dirent->namelen + 1 includes the null (no null termination needed)
+         * Ditto for dirent->commentlen.
+         * The space for the two null bytes was allocated.
+         */
+	strncpy(dirent->name, (name?name:""), dirent->namelen + 1);
+	dirent->comment = (char *)(&dirent->name + dirent->namelen + 1);
+	strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1);
+
+	return 0;
+
+}
+
+static int add_dirplus(SMBCFILE *dir, struct file_info *finfo)
+{
+	struct smbc_dirplus_list *new_entry = NULL;
+	struct libsmb_file_info *info = NULL;
+
+	new_entry = SMB_MALLOC_P(struct smbc_dirplus_list);
+	if (new_entry == NULL) {
+		dir->dir_error = ENOMEM;
+		return -1;
+	}
+	ZERO_STRUCTP(new_entry);
+	new_entry->ino = finfo->ino;
+
+	info = SMB_MALLOC_P(struct libsmb_file_info);
+	if (info == NULL) {
+		SAFE_FREE(new_entry);
+		dir->dir_error = ENOMEM;
+		return -1;
+	}
+
+	ZERO_STRUCTP(info);
+
+	info->btime_ts = finfo->btime_ts;
+	info->atime_ts = finfo->atime_ts;
+	info->ctime_ts = finfo->ctime_ts;
+	info->mtime_ts = finfo->mtime_ts;
+	info->gid = finfo->gid;
+	info->attrs = finfo->attr;
+	info->size = finfo->size;
+	info->uid = finfo->uid;
+	info->name = SMB_STRDUP(finfo->name);
+	if (info->name == NULL) {
+		SAFE_FREE(info);
+		SAFE_FREE(new_entry);
+		dir->dir_error = ENOMEM;
+		return -1;
+	}
+
+	if (finfo->short_name) {
+		info->short_name = SMB_STRDUP(finfo->short_name);
+	} else {
+		info->short_name = SMB_STRDUP("");
+	}
+
+	if (info->short_name == NULL) {
+		SAFE_FREE(info->name);
+		SAFE_FREE(info);
+		SAFE_FREE(new_entry);
+		dir->dir_error = ENOMEM;
+		return -1;
+	}
+	new_entry->smb_finfo = info;
+
+	/* Now add to the list. */
+	if (dir->dirplus_list == NULL) {
+		/* Empty list - point everything at new_entry. */
+		dir->dirplus_list = new_entry;
+		dir->dirplus_end = new_entry;
+		dir->dirplus_next = new_entry;
+	} else {
+		/* Append to list but leave the ->next cursor alone. */
+		dir->dirplus_end->next = new_entry;
+		dir->dirplus_end = new_entry;
+	}
+
+	return 0;
+}
+
+static void
+list_unique_wg_fn(const char *name,
+                  uint32_t type,
+                  const char *comment,
+                  void *state)
+{
+	SMBCFILE *dir = (SMBCFILE *)state;
+        struct smbc_dir_list *dir_list;
+        struct smbc_dirent *dirent;
+	int dirent_type;
+        int do_remove = 0;
+
+	dirent_type = dir->dir_type;
+
+	if (add_dirent(dir, name, comment, dirent_type) < 0) {
+		/* An error occurred, what do we do? */
+		/* FIXME: Add some code here */
+		/* Change cli_NetServerEnum to take a fn
+		   returning NTSTATUS... JRA. */
+	}
+
+        /* Point to the one just added */
+        dirent = dir->dir_end->dirent;
+
+        /* See if this was a duplicate */
+        for (dir_list = dir->dir_list;
+             dir_list != dir->dir_end;
+             dir_list = dir_list->next) {
+                if (! do_remove &&
+                    strcmp(dir_list->dirent->name, dirent->name) == 0) {
+                        /* Duplicate.  End end of list need to be removed. */
+                        do_remove = 1;
+                }
+
+                if (do_remove && dir_list->next == dir->dir_end) {
+                        /* Found the end of the list.  Remove it. */
+                        dir->dir_end = dir_list;
+                        free(dir_list->next);
+                        free(dirent);
+                        dir_list->next = NULL;
+                        break;
+                }
+        }
+}
+
+static void
+list_fn(const char *name,
+        uint32_t type,
+        const char *comment,
+        void *state)
+{
+	SMBCFILE *dir = (SMBCFILE *)state;
+	int dirent_type;
+
+	/*
+         * We need to process the type a little ...
+         *
+         * Disk share     = 0x00000000
+         * Print share    = 0x00000001
+         * Comms share    = 0x00000002 (obsolete?)
+         * IPC$ share     = 0x00000003
+         *
+         * administrative shares:
+         * ADMIN$, IPC$, C$, D$, E$ ...  are type |= 0x80000000
+         */
+
+	if (dir->dir_type == SMBC_FILE_SHARE) {
+		switch (type) {
+                case 0 | 0x80000000:
+		case 0:
+			dirent_type = SMBC_FILE_SHARE;
+			break;
+
+		case 1:
+			dirent_type = SMBC_PRINTER_SHARE;
+			break;
+
+		case 2:
+			dirent_type = SMBC_COMMS_SHARE;
+			break;
+
+                case 3 | 0x80000000:
+		case 3:
+			dirent_type = SMBC_IPC_SHARE;
+			break;
+
+		default:
+			dirent_type = SMBC_FILE_SHARE; /* FIXME, error? */
+			break;
+		}
+	}
+	else {
+                dirent_type = dir->dir_type;
+        }
+
+	if (add_dirent(dir, name, comment, dirent_type) < 0) {
+		/* An error occurred, what do we do? */
+		/* FIXME: Add some code here */
+		/* Change cli_NetServerEnum to take a fn
+		   returning NTSTATUS... JRA. */
+	}
+}
+
+static NTSTATUS
+dir_list_fn(struct file_info *finfo,
+            const char *mask,
+            void *state)
+{
+	SMBCFILE *dirp = (SMBCFILE *)state;
+	int ret;
+
+	if (add_dirent((SMBCFILE *)state, finfo->name, "",
+		       (finfo->attr&FILE_ATTRIBUTE_DIRECTORY?SMBC_DIR:SMBC_FILE)) < 0) {
+		SMBCFILE *dir = (SMBCFILE *)state;
+		return map_nt_error_from_unix(dir->dir_error);
+	}
+	ret = add_dirplus(dirp, finfo);
+	if (ret < 0) {
+		return map_nt_error_from_unix(dirp->dir_error);
+	}
+	return NT_STATUS_OK;
+}
+
+static NTSTATUS
+net_share_enum_rpc(struct cli_state *cli,
+                   void (*fn)(const char *name,
+                              uint32_t type,
+                              const char *comment,
+                              void *state),
+                   void *state)
+{
+        uint32_t i;
+	WERROR result;
+	uint32_t preferred_len = 0xffffffff;
+        uint32_t type;
+	struct srvsvc_NetShareInfoCtr info_ctr;
+	struct srvsvc_NetShareCtr1 ctr1;
+	fstring name = "";
+        fstring comment = "";
+	struct rpc_pipe_client *pipe_hnd = NULL;
+        NTSTATUS nt_status;
+	uint32_t resume_handle = 0;
+	uint32_t total_entries = 0;
+	struct dcerpc_binding_handle *b;
+
+        /* Open the server service pipe */
+        nt_status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc,
+					     &pipe_hnd);
+        if (!NT_STATUS_IS_OK(nt_status)) {
+                DEBUG(1, ("net_share_enum_rpc pipe open fail!\n"));
+		goto done;
+        }
+
+	ZERO_STRUCT(info_ctr);
+	ZERO_STRUCT(ctr1);
+
+	info_ctr.level = 1;
+	info_ctr.ctr.ctr1 = &ctr1;
+
+	b = pipe_hnd->binding_handle;
+
+        /* Issue the NetShareEnum RPC call and retrieve the response */
+	nt_status = dcerpc_srvsvc_NetShareEnumAll(b, talloc_tos(),
+						  pipe_hnd->desthost,
+						  &info_ctr,
+						  preferred_len,
+						  &total_entries,
+						  &resume_handle,
+						  &result);
+
+        /* Was it successful? */
+	if (!NT_STATUS_IS_OK(nt_status)) {
+                /*  Nope.  Go clean up. */
+		goto done;
+	}
+
+	if (!W_ERROR_IS_OK(result)) {
+                /*  Nope.  Go clean up. */
+		nt_status = werror_to_ntstatus(result);
+		goto done;
+        }
+
+	if (total_entries == 0) {
+                /*  Nope.  Go clean up. */
+		nt_status = NT_STATUS_NOT_FOUND;
+		goto done;
+	}
+
+        /* For each returned entry... */
+        for (i = 0; i < info_ctr.ctr.ctr1->count; i++) {
+
+                /* pull out the share name */
+		fstrcpy(name, info_ctr.ctr.ctr1->array[i].name);
+
+                /* pull out the share's comment */
+		fstrcpy(comment, info_ctr.ctr.ctr1->array[i].comment);
+
+                /* Get the type value */
+                type = info_ctr.ctr.ctr1->array[i].type;
+
+                /* Add this share to the list */
+                (*fn)(name, type, comment, state);
+        }
+
+done:
+        /* Close the server service pipe */
+        TALLOC_FREE(pipe_hnd);
+
+        /* Tell 'em if it worked */
+        return nt_status;
+}
+
+
+/*
+ * Verify that the options specified in a URL are valid
+ */
+int
+SMBC_check_options(char *server,
+                   char *share,
+                   char *path,
+                   char *options)
+{
+        DEBUG(4, ("SMBC_check_options(): server='%s' share='%s' "
+                  "path='%s' options='%s'\n",
+                  server, share, path, options));
+
+        /* No options at all is always ok */
+        if (! *options) return 0;
+
+        /* Currently, we don't support any options. */
+        return -1;
+}
+
+
+SMBCFILE *
+SMBC_opendir_ctx(SMBCCTX *context,
+                 const char *fname)
+{
+	char *server = NULL;
+        char *share = NULL;
+        char *user = NULL;
+        char *password = NULL;
+        char *options = NULL;
+	char *workgroup = NULL;
+	char *path = NULL;
+	size_t path_len = 0;
+	uint16_t port = 0;
+	SMBCSRV *srv  = NULL;
+	SMBCFILE *dir = NULL;
+	struct sockaddr_storage rem_ss;
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	if (!context || !context->internal->initialized) {
+	        DEBUG(4, ("no valid context\n"));
+		TALLOC_FREE(frame);
+		errno = EINVAL + 8192;
+		return NULL;
+
+	}
+
+	if (!fname) {
+		DEBUG(4, ("no valid fname\n"));
+		TALLOC_FREE(frame);
+		errno = EINVAL + 8193;
+		return NULL;
+	}
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            &options)) {
+	        DEBUG(4, ("no valid path\n"));
+		TALLOC_FREE(frame);
+		errno = EINVAL + 8194;
+		return NULL;
+	}
+
+	DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
+                  "path='%s' options='%s'\n",
+                  fname, server, share, path, options));
+
+        /* Ensure the options are valid */
+        if (SMBC_check_options(server, share, path, options)) {
+                DEBUG(4, ("unacceptable options (%s)\n", options));
+		TALLOC_FREE(frame);
+                errno = EINVAL + 8195;
+                return NULL;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+			TALLOC_FREE(frame);
+			errno = ENOMEM;
+			return NULL;
+		}
+	}
+
+	dir = SMB_MALLOC_P(SMBCFILE);
+
+	if (!dir) {
+		TALLOC_FREE(frame);
+		errno = ENOMEM;
+		return NULL;
+	}
+
+	ZERO_STRUCTP(dir);
+
+	dir->cli_fd   = 0;
+	dir->fname    = SMB_STRDUP(fname);
+	if (dir->fname == NULL) {
+		SAFE_FREE(dir);
+		TALLOC_FREE(frame);
+		errno = ENOMEM;
+		return NULL;
+	}
+	dir->srv      = NULL;
+	dir->offset   = 0;
+	dir->file     = False;
+	dir->dir_list = dir->dir_next = dir->dir_end = NULL;
+
+	if (server[0] == (char)0) {
+
+                size_t i;
+                size_t count = 0;
+                size_t max_lmb_count;
+                struct sockaddr_storage *ip_list;
+                struct sockaddr_storage server_addr;
+		struct cli_credentials *creds = NULL;
+		NTSTATUS status;
+
+		if (share[0] != (char)0 || path[0] != (char)0) {
+
+			if (dir) {
+				SAFE_FREE(dir->fname);
+				SAFE_FREE(dir);
+			}
+			TALLOC_FREE(frame);
+			errno = EINVAL + 8196;
+			return NULL;
+		}
+
+                /* Determine how many local master browsers to query */
+                max_lmb_count = (smbc_getOptionBrowseMaxLmbCount(context) == 0
+                                 ? INT_MAX
+                                 : smbc_getOptionBrowseMaxLmbCount(context));
+
+		creds = cli_credentials_init(frame);
+		if (creds == NULL) {
+			if (dir) {
+				SAFE_FREE(dir->fname);
+				SAFE_FREE(dir);
+			}
+			TALLOC_FREE(frame);
+			errno = ENOMEM;
+			return NULL;
+		}
+
+		(void)cli_credentials_set_username(creds, user, CRED_SPECIFIED);
+		(void)cli_credentials_set_password(creds, password, CRED_SPECIFIED);
+
+		/*
+                 * We have server and share and path empty but options
+                 * requesting that we scan all master browsers for their list
+                 * of workgroups/domains.  This implies that we must first try
+                 * broadcast queries to find all master browsers, and if that
+                 * doesn't work, then try our other methods which return only
+                 * a single master browser.
+                 */
+
+                ip_list = NULL;
+		status = name_resolve_bcast(talloc_tos(),
+					    MSBROWSE,
+					    1,
+					    &ip_list,
+					    &count);
+                if (!NT_STATUS_IS_OK(status))
+		{
+
+                        TALLOC_FREE(ip_list);
+
+                        if (!find_master_ip(workgroup, &server_addr)) {
+
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+                                errno = ENOENT;
+                                return NULL;
+                        }
+
+			ip_list = (struct sockaddr_storage *)talloc_memdup(
+				talloc_tos(), &server_addr,
+				sizeof(server_addr));
+			if (ip_list == NULL) {
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				errno = ENOMEM;
+				return NULL;
+			}
+                        count = 1;
+                }
+
+                for (i = 0; i < count && i < max_lmb_count; i++) {
+			char addr[INET6_ADDRSTRLEN];
+			char *wg_ptr = NULL;
+                	struct cli_state *cli = NULL;
+
+			print_sockaddr(addr, sizeof(addr), &ip_list[i]);
+                        DEBUG(99, ("Found master browser %zu of %zu: %s\n",
+                                   i+1, MAX(count, max_lmb_count),
+                                   addr));
+
+                        cli = get_ipc_connect_master_ip(talloc_tos(),
+							&ip_list[i],
+							creds,
+							&wg_ptr);
+			/* cli == NULL is the master browser refused to talk or
+			   could not be found */
+			if (!cli) {
+				continue;
+			}
+
+			workgroup = talloc_strdup(frame, wg_ptr);
+			server = talloc_strdup(frame, smbXcli_conn_remote_name(cli->conn));
+
+                        cli_shutdown(cli);
+
+			if (!workgroup || !server) {
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				errno = ENOMEM;
+				return NULL;
+			}
+
+                        DEBUG(4, ("using workgroup %s %s\n",
+                                  workgroup, server));
+
+                        /*
+                         * For each returned master browser IP address, get a
+                         * connection to IPC$ on the server if we do not
+                         * already have one, and determine the
+                         * workgroups/domains that it knows about.
+                         */
+
+                        srv = SMBC_server(frame, context, True, server, port, "IPC$",
+                                          &workgroup, &user, &password);
+                        if (!srv) {
+                                continue;
+                        }
+
+			if (smbXcli_conn_protocol(srv->cli->conn) > PROTOCOL_NT1) {
+				continue;
+			}
+
+                        dir->srv = srv;
+                        dir->dir_type = SMBC_WORKGROUP;
+
+                        /* Now, list the stuff ... */
+
+                        if (!cli_NetServerEnum(srv->cli,
+                                               workgroup,
+                                               SV_TYPE_DOMAIN_ENUM,
+                                               list_unique_wg_fn,
+                                               (void *)dir)) {
+                                continue;
+                        }
+                }
+
+                TALLOC_FREE(ip_list);
+        } else {
+                /*
+                 * Server not an empty string ... Check the rest and see what
+                 * gives
+                 */
+		if (*share == '\0') {
+			if (*path != '\0') {
+
+                                /* Should not have empty share with path */
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				errno = EINVAL + 8197;
+				return NULL;
+
+			}
+
+			/*
+                         * We don't know if <server> is really a server name
+                         * or is a workgroup/domain name.  If we already have
+                         * a server structure for it, we'll use it.
+                         * Otherwise, check to see if <server><1D>,
+                         * <server><1B>, or <server><20> translates.  We check
+                         * to see if <server> is an IP address first.
+                         */
+
+                        /*
+                         * See if we have an existing server.  Do not
+                         * establish a connection if one does not already
+                         * exist.
+                         */
+                        srv = SMBC_server(frame, context, False,
+                                          server, port, "IPC$",
+                                          &workgroup, &user, &password);
+
+                        /*
+                         * If no existing server and not an IP addr, look for
+                         * LMB or DMB
+                         */
+			if (!srv &&
+                            !is_ipaddress(server) &&
+			    (resolve_name(server, &rem_ss, 0x1d, false) ||   /* LMB */
+                             resolve_name(server, &rem_ss, 0x1b, false) )) { /* DMB */
+				/*
+				 * "server" is actually a workgroup name,
+				 * not a server. Make this clear.
+				 */
+				char *wgroup = server;
+				fstring buserver;
+
+				dir->dir_type = SMBC_SERVER;
+
+				/*
+				 * Get the backup list ...
+				 */
+				if (!name_status_find(wgroup, 0, 0,
+                                                      &rem_ss, buserver)) {
+					char addr[INET6_ADDRSTRLEN];
+
+					print_sockaddr(addr, sizeof(addr), &rem_ss);
+                                        DEBUG(0,("Could not get name of "
+                                                "local/domain master browser "
+                                                "for workgroup %s from "
+						"address %s\n",
+						wgroup,
+						addr));
+					if (dir) {
+						SAFE_FREE(dir->fname);
+						SAFE_FREE(dir);
+					}
+					TALLOC_FREE(frame);
+					errno = EPERM;
+					return NULL;
+
+				}
+
+				/*
+                                 * Get a connection to IPC$ on the server if
+                                 * we do not already have one
+                                 */
+				srv = SMBC_server(frame, context, True,
+                                                  buserver, port, "IPC$",
+                                                  &workgroup,
+                                                  &user, &password);
+				if (!srv) {
+				        DEBUG(0, ("got no contact to IPC$\n"));
+					if (dir) {
+						SAFE_FREE(dir->fname);
+						SAFE_FREE(dir);
+					}
+					TALLOC_FREE(frame);
+					return NULL;
+
+				}
+
+				dir->srv = srv;
+
+				if (smbXcli_conn_protocol(srv->cli->conn) > PROTOCOL_NT1) {
+					if (dir) {
+						SAFE_FREE(dir->fname);
+						SAFE_FREE(dir);
+					}
+					TALLOC_FREE(frame);
+					return NULL;
+				}
+
+				/* Now, list the servers ... */
+				if (!cli_NetServerEnum(srv->cli, wgroup,
+                                                       0x0000FFFE, list_fn,
+						       (void *)dir)) {
+
+					if (dir) {
+						SAFE_FREE(dir->fname);
+						SAFE_FREE(dir);
+					}
+					TALLOC_FREE(frame);
+					return NULL;
+				}
+			} else if (srv ||
+                                   (resolve_name(server, &rem_ss, 0x20, false))) {
+				NTSTATUS status;
+
+                                /*
+                                 * If we hadn't found the server, get one now
+                                 */
+                                if (!srv) {
+                                        srv = SMBC_server(frame, context, True,
+                                                          server, port, "IPC$",
+                                                          &workgroup,
+                                                          &user, &password);
+                                }
+
+                                if (!srv) {
+                                        if (dir) {
+                                                SAFE_FREE(dir->fname);
+                                                SAFE_FREE(dir);
+                                        }
+					TALLOC_FREE(frame);
+                                        return NULL;
+
+                                }
+
+                                dir->dir_type = SMBC_FILE_SHARE;
+                                dir->srv = srv;
+
+                                /* List the shares ... */
+
+				status = net_share_enum_rpc(srv->cli,
+							list_fn,
+							(void *)dir);
+				if (!NT_STATUS_IS_OK(status) &&
+				    smbXcli_conn_protocol(srv->cli->conn) <=
+						PROTOCOL_NT1) {
+					/*
+					 * Only call cli_RNetShareEnum()
+					 * on SMB1 connections, not SMB2+.
+					 */
+					int rc = cli_RNetShareEnum(srv->cli,
+							       list_fn,
+							       (void *)dir);
+					if (rc != 0) {
+						status = cli_nt_error(srv->cli);
+					} else {
+						status = NT_STATUS_OK;
+					}
+				}
+				if (!NT_STATUS_IS_OK(status)) {
+					/*
+					 * Set cli->raw_status so SMBC_errno()
+					 * will correctly return the error.
+					 */
+					srv->cli->raw_status = status;
+					if (dir != NULL) {
+						SAFE_FREE(dir->fname);
+						SAFE_FREE(dir);
+					}
+					TALLOC_FREE(frame);
+					errno = map_errno_from_nt_status(
+								status);
+					return NULL;
+				}
+                        } else {
+                                /* Neither the workgroup nor server exists */
+                                errno = ECONNREFUSED;
+                                if (dir) {
+                                        SAFE_FREE(dir->fname);
+                                        SAFE_FREE(dir);
+                                }
+				TALLOC_FREE(frame);
+                                return NULL;
+			}
+
+		}
+		else {
+                        /*
+                         * The server and share are specified ... work from
+                         * there ...
+                         */
+			char *targetpath;
+			struct cli_state *targetcli;
+			struct cli_credentials *creds = NULL;
+			NTSTATUS status;
+
+			/* We connect to the server and list the directory */
+			dir->dir_type = SMBC_FILE_SHARE;
+
+			srv = SMBC_server(frame, context, True, server, port, share,
+                                          &workgroup, &user, &password);
+
+			if (!srv) {
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				return NULL;
+			}
+
+			dir->srv = srv;
+
+			/* Now, list the files ... */
+
+                        path_len = strlen(path);
+			path = talloc_asprintf_append(path, "\\*");
+			if (!path) {
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				return NULL;
+			}
+
+			creds = context->internal->creds;
+
+			status = cli_resolve_path(
+				frame, "",
+				creds,
+				srv->cli, path, &targetcli, &targetpath);
+			if (!NT_STATUS_IS_OK(status)) {
+				d_printf("Could not resolve %s\n", path);
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				TALLOC_FREE(frame);
+				return NULL;
+			}
+
+			status = cli_list(targetcli, targetpath,
+					  FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
+					  dir_list_fn, (void *)dir);
+			if (!NT_STATUS_IS_OK(status)) {
+				int saved_errno;
+				if (dir) {
+					SAFE_FREE(dir->fname);
+					SAFE_FREE(dir);
+				}
+				saved_errno = cli_status_to_errno(status);
+
+                                if (saved_errno == EINVAL) {
+					struct stat sb = {0};
+                                        /*
+                                         * See if they asked to opendir
+                                         * something other than a directory.
+                                         * If so, the converted error value we
+                                         * got would have been EINVAL rather
+                                         * than ENOTDIR.
+                                         */
+                                        path[path_len] = '\0'; /* restore original path */
+
+					status = SMBC_getatr(
+						context,
+						srv,
+						path,
+						&sb);
+					if (NT_STATUS_IS_OK(status) &&
+                                            !S_ISDIR(sb.st_mode)) {
+
+                                                /* It is.  Correct the error value */
+                                                saved_errno = ENOTDIR;
+                                        }
+                                }
+
+                                /*
+                                 * If there was an error and the server is no
+                                 * good any more...
+                                 */
+                                if (cli_is_error(targetcli) &&
+                                    smbc_getFunctionCheckServer(context)(context, srv)) {
+
+                                        /* ... then remove it. */
+                                        if (smbc_getFunctionRemoveUnusedServer(context)(context,
+                                                                                        srv)) {
+                                                /*
+                                                 * We could not remove the
+                                                 * server completely, remove
+                                                 * it from the cache so we
+                                                 * will not get it again. It
+                                                 * will be removed when the
+                                                 * last file/dir is closed.
+                                                 */
+                                                smbc_getFunctionRemoveCachedServer(context)(context, srv);
+                                        }
+                                }
+
+				TALLOC_FREE(frame);
+                                errno = saved_errno;
+				return NULL;
+			}
+		}
+
+	}
+
+	DLIST_ADD(context->internal->files, dir);
+	TALLOC_FREE(frame);
+	return dir;
+
+}
+
+/*
+ * Routine to close a directory
+ */
+
+int
+SMBC_closedir_ctx(SMBCCTX *context,
+                  SMBCFILE *dir)
+{
+	TALLOC_CTX *frame = NULL;
+
+	if (!context || !context->internal->initialized) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (dir == NULL) {
+		return 0;
+	}
+
+	frame = talloc_stackframe();
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+		errno = EBADF;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	remove_dir(dir); /* Clean it up */
+	remove_dirplus(dir);
+
+	DLIST_REMOVE(context->internal->files, dir);
+
+	SAFE_FREE(dir->fname);
+	SAFE_FREE(dir);    /* Free the space too */
+
+	TALLOC_FREE(frame);
+	return 0;
+
+}
+
+static int
+smbc_readdir_internal(SMBCCTX * context,
+                      struct smbc_dirent *dest,
+                      struct smbc_dirent *src,
+                      int max_namebuf_len)
+{
+        if (smbc_getOptionUrlEncodeReaddirEntries(context)) {
+		int remaining_len;
+
+                /* url-encode the name.  get back remaining buffer space */
+                remaining_len =
+                        smbc_urlencode(dest->name, src->name, max_namebuf_len);
+
+		/* -1 means no null termination. */
+		if (remaining_len < 0) {
+			return -1;
+		}
+
+                /* We now know the name length */
+                dest->namelen = strlen(dest->name);
+
+		if (dest->namelen + 1 < 1) {
+			/* Integer wrap. */
+			return -1;
+		}
+
+		if (dest->namelen + 1 >= max_namebuf_len) {
+			/* Out of space for comment. */
+			return -1;
+		}
+
+                /* Save the pointer to the beginning of the comment */
+                dest->comment = dest->name + dest->namelen + 1;
+
+		if (remaining_len < 1) {
+			/* No room for comment null termination. */
+			return -1;
+		}
+
+                /* Copy the comment */
+                strlcpy(dest->comment, src->comment, remaining_len);
+
+                /* Save other fields */
+                dest->smbc_type = src->smbc_type;
+                dest->commentlen = strlen(dest->comment);
+                dest->dirlen = ((dest->comment + dest->commentlen + 1) -
+                                (char *) dest);
+        } else {
+
+                /* No encoding.  Just copy the entry as is. */
+		if (src->dirlen > max_namebuf_len) {
+			return -1;
+		}
+                memcpy(dest, src, src->dirlen);
+		if (src->namelen + 1 < 1) {
+			/* Integer wrap */
+			return -1;
+		}
+		if (src->namelen + 1 >= max_namebuf_len) {
+			/* Comment off the end. */
+			return -1;
+		}
+                dest->comment = (char *)(&dest->name + src->namelen + 1);
+        }
+	return 0;
+}
+
+/*
+ * Routine to get a directory entry
+ */
+
+struct smbc_dirent *
+SMBC_readdir_ctx(SMBCCTX *context,
+                 SMBCFILE *dir)
+{
+        int maxlen;
+	int ret;
+	struct smbc_dirent *dirp, *dirent;
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	/* Check that all is ok first ... */
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;
+                DEBUG(0, ("Invalid context in SMBC_readdir_ctx()\n"));
+		TALLOC_FREE(frame);
+		return NULL;
+
+	}
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+
+		errno = EBADF;
+                DEBUG(0, ("Invalid dir in SMBC_readdir_ctx()\n"));
+		TALLOC_FREE(frame);
+		return NULL;
+
+	}
+
+	if (dir->file != False) { /* FIXME, should be dir, perhaps */
+
+		errno = ENOTDIR;
+                DEBUG(0, ("Found file vs directory in SMBC_readdir_ctx()\n"));
+		TALLOC_FREE(frame);
+		return NULL;
+
+	}
+
+	if (!dir->dir_next) {
+		TALLOC_FREE(frame);
+		return NULL;
+        }
+
+        dirent = dir->dir_next->dirent;
+        if (!dirent) {
+
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+                return NULL;
+
+        }
+
+        dirp = &context->internal->dirent;
+        maxlen = sizeof(context->internal->_dirent_name);
+
+        ret = smbc_readdir_internal(context, dirp, dirent, maxlen);
+	if (ret == -1) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+                return NULL;
+	}
+
+        dir->dir_next = dir->dir_next->next;
+
+	/*
+	 * If we are returning file entries, we
+	 * have a duplicate list in dirplus.
+	 *
+	 * Update dirplus_next also so readdir and
+	 * readdirplus are kept in sync.
+	 */
+	if (dir->dirplus_list != NULL) {
+		dir->dirplus_next = dir->dirplus_next->next;
+	}
+
+	TALLOC_FREE(frame);
+        return dirp;
+}
+
+/*
+ * Routine to get a directory entry with all attributes
+ */
+
+const struct libsmb_file_info *
+SMBC_readdirplus_ctx(SMBCCTX *context,
+                     SMBCFILE *dir)
+{
+	struct libsmb_file_info *smb_finfo = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	/* Check that all is ok first ... */
+
+	if (context == NULL || !context->internal->initialized) {
+		DBG_ERR("Invalid context in SMBC_readdirplus_ctx()\n");
+		TALLOC_FREE(frame);
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+		DBG_ERR("Invalid dir in SMBC_readdirplus_ctx()\n");
+		TALLOC_FREE(frame);
+		errno = EBADF;
+		return NULL;
+	}
+
+	if (dir->dirplus_next == NULL) {
+		TALLOC_FREE(frame);
+		return NULL;
+	}
+
+	smb_finfo = dir->dirplus_next->smb_finfo;
+	if (smb_finfo == NULL) {
+		TALLOC_FREE(frame);
+		errno = ENOENT;
+		return NULL;
+	}
+	dir->dirplus_next = dir->dirplus_next->next;
+
+	/*
+	 * If we are returning file entries, we
+	 * have a duplicate list in dir_list
+	 *
+	 * Update dir_next also so readdir and
+	 * readdirplus are kept in sync.
+	 */
+	if (dir->dir_list) {
+		dir->dir_next = dir->dir_next->next;
+	}
+
+	TALLOC_FREE(frame);
+	return smb_finfo;
+}
+
+/*
+ * Routine to get a directory entry plus a filled in stat structure if
+ * requested.
+ */
+
+const struct libsmb_file_info *SMBC_readdirplus2_ctx(SMBCCTX *context,
+			SMBCFILE *dir,
+			struct stat *st)
+{
+	struct libsmb_file_info *smb_finfo = NULL;
+	struct smbc_dirplus_list *dp_list = NULL;
+	ino_t ino;
+	char *full_pathname = NULL;
+	char *workgroup = NULL;
+	char *server = NULL;
+	uint16_t port = 0;
+	char *share = NULL;
+	char *path = NULL;
+	char *user = NULL;
+	char *password = NULL;
+	char *options = NULL;
+	int rc;
+	TALLOC_CTX *frame = NULL;
+
+	/*
+	 * Allow caller to pass in NULL for stat pointer if
+	 * required. This makes this call identical to
+	 * smbc_readdirplus().
+	 */
+
+	if (st == NULL) {
+		return SMBC_readdirplus_ctx(context, dir);
+	}
+
+	frame = talloc_stackframe();
+
+	/* Check that all is ok first ... */
+	if (context == NULL || !context->internal->initialized) {
+		DBG_ERR("Invalid context in SMBC_readdirplus2_ctx()\n");
+		TALLOC_FREE(frame);
+		errno = EINVAL;
+		return NULL;
+	}
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+		DBG_ERR("Invalid dir in SMBC_readdirplus2_ctx()\n");
+		TALLOC_FREE(frame);
+		errno = EBADF;
+		return NULL;
+	}
+
+	dp_list = dir->dirplus_next;
+	if (dp_list == NULL) {
+		TALLOC_FREE(frame);
+		return NULL;
+	}
+
+	ino = (ino_t)dp_list->ino;
+
+	smb_finfo = dp_list->smb_finfo;
+	if (smb_finfo == NULL) {
+		TALLOC_FREE(frame);
+		errno = ENOENT;
+		return NULL;
+	}
+
+	full_pathname = talloc_asprintf(frame,
+				"%s/%s",
+				dir->fname,
+				smb_finfo->name);
+	if (full_pathname == NULL) {
+		TALLOC_FREE(frame);
+		errno = ENOENT;
+		return NULL;
+	}
+
+	rc = SMBC_parse_path(frame,
+			     context,
+			     full_pathname,
+			     &workgroup,
+			     &server,
+			     &port,
+			     &share,
+			     &path,
+			     &user,
+			     &password,
+			     &options);
+	if (rc != 0) {
+		TALLOC_FREE(frame);
+		errno = ENOENT;
+		return NULL;
+	}
+
+	setup_stat(st,
+		path,
+		smb_finfo->size,
+		smb_finfo->attrs,
+		ino,
+		dir->srv->dev,
+		smb_finfo->atime_ts,
+		smb_finfo->ctime_ts,
+		smb_finfo->mtime_ts);
+
+	TALLOC_FREE(full_pathname);
+
+	dir->dirplus_next = dir->dirplus_next->next;
+
+	/*
+	 * If we are returning file entries, we
+	 * have a duplicate list in dir_list
+	 *
+	 * Update dir_next also so readdir and
+	 * readdirplus are kept in sync.
+	 */
+	if (dir->dir_list) {
+		dir->dir_next = dir->dir_next->next;
+	}
+
+	TALLOC_FREE(frame);
+	return smb_finfo;
+}
+
+/*
+ * Routine to get directory entries
+ */
+
+int
+SMBC_getdents_ctx(SMBCCTX *context,
+                  SMBCFILE *dir,
+                  struct smbc_dirent *dirp,
+                  int count)
+{
+	int rem = count;
+        int reqd;
+        int maxlen;
+	char *ndir = (char *)dirp;
+	struct smbc_dir_list *dirlist;
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	/* Check that all is ok first ... */
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+
+		errno = EBADF;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (dir->file != False) { /* FIXME, should be dir, perhaps */
+
+		errno = ENOTDIR;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	/*
+	 * Now, retrieve the number of entries that will fit in what was passed
+	 * We have to figure out if the info is in the list, or we need to
+	 * send a request to the server to get the info.
+	 */
+
+	while ((dirlist = dir->dir_next)) {
+		int ret;
+		struct smbc_dirent *dirent;
+		struct smbc_dirent *currentEntry = (struct smbc_dirent *)ndir;
+
+		if (!dirlist->dirent) {
+
+			errno = ENOENT;  /* Bad error */
+			TALLOC_FREE(frame);
+			return -1;
+
+		}
+
+                /* Do urlencoding of next entry, if so selected */
+                dirent = &context->internal->dirent;
+                maxlen = sizeof(context->internal->_dirent_name);
+		ret = smbc_readdir_internal(context, dirent,
+                                      dirlist->dirent, maxlen);
+		if (ret == -1) {
+			errno = EINVAL;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+
+                reqd = dirent->dirlen;
+
+		if (rem < reqd) {
+
+			if (rem < count) { /* We managed to copy something */
+
+				errno = 0;
+				TALLOC_FREE(frame);
+				return count - rem;
+
+			}
+			else { /* Nothing copied ... */
+
+				errno = EINVAL;  /* Not enough space ... */
+				TALLOC_FREE(frame);
+				return -1;
+
+			}
+
+		}
+
+		memcpy(currentEntry, dirent, reqd); /* Copy the data in ... */
+
+		currentEntry->comment = &currentEntry->name[0] +
+						dirent->namelen + 1;
+
+		ndir += reqd;
+		rem -= reqd;
+
+		/* Try and align the struct for the next entry
+		   on a valid pointer boundary by appending zeros */
+		while((rem > 0) && ((uintptr_t)ndir & (sizeof(void*) - 1))) {
+			*ndir = '\0';
+			rem--;
+			ndir++;
+			currentEntry->dirlen++;
+		}
+
+		dir->dir_next = dirlist = dirlist -> next;
+
+		/*
+		 * If we are returning file entries, we
+		 * have a duplicate list in dirplus.
+		 *
+		 * Update dirplus_next also so readdir and
+		 * readdirplus are kept in sync.
+		 */
+		if (dir->dirplus_list != NULL) {
+			dir->dirplus_next = dir->dirplus_next->next;
+		}
+	}
+
+	TALLOC_FREE(frame);
+
+	if (rem == count)
+		return 0;
+	else
+		return count - rem;
+
+}
+
+/*
+ * Routine to create a directory ...
+ */
+
+int
+SMBC_mkdir_ctx(SMBCCTX *context,
+               const char *fname,
+               mode_t mode)
+{
+	SMBCSRV *srv = NULL;
+	char *server = NULL;
+        char *share = NULL;
+        char *user = NULL;
+        char *password = NULL;
+        char *workgroup = NULL;
+	char *path = NULL;
+	char *targetpath = NULL;
+	uint16_t port = 0;
+	struct cli_state *targetcli = NULL;
+	struct cli_credentials *creds = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+	NTSTATUS status;
+
+	if (!context || !context->internal->initialized) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!fname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	DEBUG(4, ("smbc_mkdir(%s)\n", fname));
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+                	errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	srv = SMBC_server(frame, context, True,
+                          server, port, share, &workgroup, &user, &password);
+
+	if (!srv) {
+
+		TALLOC_FREE(frame);
+		return -1;  /* errno set by SMBC_server */
+
+	}
+
+	creds = context->internal->creds;
+
+	/*d_printf(">>>mkdir: resolving %s\n", path);*/
+	status = cli_resolve_path(frame, "",
+				  creds,
+				  srv->cli, path, &targetcli, &targetpath);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path);
+                errno = ENOENT;
+                TALLOC_FREE(frame);
+		return -1;
+	}
+	/*d_printf(">>>mkdir: resolved path as %s\n", targetpath);*/
+
+	status = cli_mkdir(targetcli, targetpath);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		errno = cli_status_to_errno(status);
+		return -1;
+
+	}
+
+	TALLOC_FREE(frame);
+	return 0;
+
+}
+
+/*
+ * Our list function simply checks to see if a directory is not empty
+ */
+
+static NTSTATUS
+rmdir_list_fn(struct file_info *finfo,
+              const char *mask,
+              void *state)
+{
+	if (strncmp(finfo->name, ".", 1) != 0 &&
+            strncmp(finfo->name, "..", 2) != 0) {
+		bool *smbc_rmdir_dirempty = (bool *)state;
+		*smbc_rmdir_dirempty = false;
+        }
+	return NT_STATUS_OK;
+}
+
+/*
+ * Routine to remove a directory
+ */
+
+int
+SMBC_rmdir_ctx(SMBCCTX *context,
+               const char *fname)
+{
+	SMBCSRV *srv = NULL;
+	char *server = NULL;
+        char *share = NULL;
+        char *user = NULL;
+        char *password = NULL;
+        char *workgroup = NULL;
+	char *path = NULL;
+        char *targetpath = NULL;
+	uint16_t port = 0;
+	struct cli_state *targetcli = NULL;
+	struct cli_credentials *creds = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+	NTSTATUS status;
+
+	if (!context || !context->internal->initialized) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!fname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	DEBUG(4, ("smbc_rmdir(%s)\n", fname));
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+                	errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	srv = SMBC_server(frame, context, True,
+                          server, port, share, &workgroup, &user, &password);
+
+	if (!srv) {
+
+		TALLOC_FREE(frame);
+		return -1;  /* errno set by SMBC_server */
+
+	}
+
+	creds = context->internal->creds;
+
+	/*d_printf(">>>rmdir: resolving %s\n", path);*/
+	status = cli_resolve_path(frame, "",
+				  creds,
+				  srv->cli, path, &targetcli, &targetpath);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path);
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+	/*d_printf(">>>rmdir: resolved path as %s\n", targetpath);*/
+
+	status = cli_rmdir(targetcli, targetpath);
+
+	if (!NT_STATUS_IS_OK(status)) {
+
+		errno = cli_status_to_errno(status);
+
+		if (errno == EACCES) {  /* Check if the dir empty or not */
+
+                        /* Local storage to avoid buffer overflows */
+			char *lpath;
+			bool smbc_rmdir_dirempty = true;
+
+			lpath = talloc_asprintf(frame, "%s\\*",
+						targetpath);
+			if (!lpath) {
+				errno = ENOMEM;
+				TALLOC_FREE(frame);
+				return -1;
+			}
+
+			status = cli_list(targetcli, lpath,
+					  FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN,
+					  rmdir_list_fn,
+					  &smbc_rmdir_dirempty);
+
+			if (!NT_STATUS_IS_OK(status)) {
+				/* Fix errno to ignore latest error ... */
+				DBG_INFO("cli_list returned an error: %s\n",
+					 nt_errstr(status));
+				errno = EACCES;
+
+			}
+
+			if (smbc_rmdir_dirempty)
+				errno = EACCES;
+			else
+				errno = ENOTEMPTY;
+
+		}
+
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	TALLOC_FREE(frame);
+	return 0;
+
+}
+
+/*
+ * Routine to return the current directory position
+ */
+
+off_t
+SMBC_telldir_ctx(SMBCCTX *context,
+                 SMBCFILE *dir)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+
+		errno = EBADF;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (dir->file != False) { /* FIXME, should be dir, perhaps */
+
+		errno = ENOTDIR;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+        /* See if we're already at the end. */
+        if (dir->dir_next == NULL) {
+                /* We are. */
+		TALLOC_FREE(frame);
+                return -1;
+        }
+
+	/*
+	 * We return the pointer here as the offset
+	 */
+	TALLOC_FREE(frame);
+        return (off_t)(long)dir->dir_next->dirent;
+}
+
+/*
+ * A routine to run down the list and see if the entry is OK
+ * Modifies the dir list and the dirplus list (if it exists)
+ * to point at the correct next entry on success.
+ */
+
+static bool update_dir_ents(SMBCFILE *dir, struct smbc_dirent *dirent)
+{
+	struct smbc_dir_list *tmp_dir = dir->dir_list;
+	struct smbc_dirplus_list *tmp_dirplus = dir->dirplus_list;
+
+	/*
+	 * Run down the list looking for what we want.
+	 * If we're enumerating files both dir_list
+	 * and dirplus_list contain the same entry
+	 * list, as they were seeded from the same
+	 * cli_list callback.
+	 *
+	 * If we're enumerating servers then
+	 * dirplus_list will be NULL, so don't
+	 * update in that case.
+	 */
+
+	while (tmp_dir != NULL) {
+		if (tmp_dir->dirent == dirent) {
+			dir->dir_next = tmp_dir;
+			if (tmp_dirplus != NULL) {
+				dir->dirplus_next = tmp_dirplus;
+			}
+			return true;
+		}
+		tmp_dir = tmp_dir->next;
+		if (tmp_dirplus != NULL) {
+			tmp_dirplus = tmp_dirplus->next;
+		}
+	}
+	return false;
+}
+
+/*
+ * Routine to seek on a directory
+ */
+
+int
+SMBC_lseekdir_ctx(SMBCCTX *context,
+                  SMBCFILE *dir,
+                  off_t offset)
+{
+	long int l_offset = offset;  /* Handle problems of size */
+	struct smbc_dirent *dirent = (struct smbc_dirent *)l_offset;
+	TALLOC_CTX *frame = talloc_stackframe();
+	bool ok;
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (dir->file != False) { /* FIXME, should be dir, perhaps */
+
+		errno = ENOTDIR;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	/* Now, check what we were passed and see if it is OK ... */
+
+	if (dirent == NULL) {  /* Seek to the beginning of the list */
+
+		dir->dir_next = dir->dir_list;
+
+		/* Do the same for dirplus. */
+		dir->dirplus_next = dir->dirplus_list;
+
+		TALLOC_FREE(frame);
+		return 0;
+
+	}
+
+        if (offset == -1) {     /* Seek to the end of the list */
+                dir->dir_next = NULL;
+
+		/* Do the same for dirplus. */
+		dir->dirplus_next = NULL;
+
+		TALLOC_FREE(frame);
+                return 0;
+        }
+
+        /*
+         * Run down the list and make sure that the entry is OK.
+         * Update the position of both dir and dirplus lists.
+         */
+
+	ok = update_dir_ents(dir, dirent);
+	if (!ok) {
+		errno = EINVAL;   /* Bad entry */
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	TALLOC_FREE(frame);
+	return 0;
+}
+
+/*
+ * Routine to fstat a dir
+ */
+
+int
+SMBC_fstatdir_ctx(SMBCCTX *context,
+                  SMBCFILE *dir,
+                  struct stat *st)
+{
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;
+		return -1;
+	}
+
+	/* No code yet ... */
+	return 0;
+}
+
+int
+SMBC_chmod_ctx(SMBCCTX *context,
+               const char *fname,
+               mode_t newmode)
+{
+        SMBCSRV *srv = NULL;
+	char *server = NULL;
+        char *share = NULL;
+        char *user = NULL;
+        char *password = NULL;
+        char *workgroup = NULL;
+	char *targetpath = NULL;
+	struct cli_state *targetcli = NULL;
+	char *path = NULL;
+	uint32_t attr;
+	uint16_t port = 0;
+	struct cli_credentials *creds = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+        NTSTATUS status;
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;  /* Best I can think of ... */
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!fname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	DEBUG(4, ("smbc_chmod(%s, 0%3o)\n", fname, (unsigned int)newmode));
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+                	errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	srv = SMBC_server(frame, context, True,
+                          server, port, share, &workgroup, &user, &password);
+
+	if (!srv) {
+		TALLOC_FREE(frame);
+		return -1;  /* errno set by SMBC_server */
+	}
+	
+	creds = context->internal->creds;
+
+	/*d_printf(">>>unlink: resolving %s\n", path);*/
+	status = cli_resolve_path(frame, "",
+				  creds,
+				  srv->cli, path, &targetcli, &targetpath);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path);
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	attr = 0;
+
+	if (!(newmode & (S_IWUSR | S_IWGRP | S_IWOTH))) attr |= FILE_ATTRIBUTE_READONLY;
+	if ((newmode & S_IXUSR) && lp_map_archive(-1)) attr |= FILE_ATTRIBUTE_ARCHIVE;
+	if ((newmode & S_IXGRP) && lp_map_system(-1)) attr |= FILE_ATTRIBUTE_SYSTEM;
+	if ((newmode & S_IXOTH) && lp_map_hidden(-1)) attr |= FILE_ATTRIBUTE_HIDDEN;
+
+	status = cli_setatr(targetcli, targetpath, attr, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		errno = cli_status_to_errno(status);
+		return -1;
+	}
+
+	TALLOC_FREE(frame);
+        return 0;
+}
+
+int
+SMBC_utimes_ctx(SMBCCTX *context,
+                const char *fname,
+                struct timeval *tbuf)
+{
+        SMBCSRV *srv = NULL;
+	char *server = NULL;
+	char *share = NULL;
+	char *user = NULL;
+	char *password = NULL;
+	char *workgroup = NULL;
+	char *path = NULL;
+	struct timespec access_time, write_time;
+	uint16_t port = 0;
+	TALLOC_CTX *frame = talloc_stackframe();
+	bool ok;
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;  /* Best I can think of ... */
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!fname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+        if (tbuf == NULL) {
+                access_time = write_time = timespec_current();
+        } else {
+		access_time = convert_timeval_to_timespec(tbuf[0]);
+                write_time = convert_timeval_to_timespec(tbuf[1]);
+        }
+
+        if (DEBUGLVL(4)) {
+		struct timeval_buf abuf, wbuf;
+
+                dbgtext("smbc_utimes(%s, atime = %s mtime = %s)\n",
+                        fname,
+			timespec_string_buf(&access_time, false, &abuf),
+			timespec_string_buf(&write_time, false, &wbuf));
+        }
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            NULL)) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+			errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	srv = SMBC_server(frame, context, True,
+                          server, port, share, &workgroup, &user, &password);
+
+	if (!srv) {
+		TALLOC_FREE(frame);
+		return -1;      /* errno set by SMBC_server */
+	}
+
+	ok = SMBC_setatr(
+		context,
+		srv,
+		path,
+		(struct timespec) { .tv_nsec = SAMBA_UTIME_OMIT },
+		access_time,
+		write_time,
+		(struct timespec) { .tv_nsec = SAMBA_UTIME_OMIT },
+		0);
+	if (!ok) {
+		TALLOC_FREE(frame);
+                return -1;      /* errno set by SMBC_setatr */
+        }
+
+	TALLOC_FREE(frame);
+        return 0;
+}
+
+/*
+ * Routine to unlink() a file
+ */
+
+int
+SMBC_unlink_ctx(SMBCCTX *context,
+                const char *fname)
+{
+	char *server = NULL;
+        char *share = NULL;
+        char *user = NULL;
+        char *password = NULL;
+        char *workgroup = NULL;
+	char *path = NULL;
+	char *targetpath = NULL;
+	uint16_t port = 0;
+	struct cli_state *targetcli = NULL;
+	SMBCSRV *srv = NULL;
+	struct cli_credentials *creds = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+        NTSTATUS status;
+
+	if (!context || !context->internal->initialized) {
+
+		errno = EINVAL;  /* Best I can think of ... */
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (!fname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+                return -1;
+        }
+
+	if (!user || user[0] == (char)0) {
+		user = talloc_strdup(frame, smbc_getUser(context));
+		if (!user) {
+			errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	srv = SMBC_server(frame, context, True,
+                          server, port, share, &workgroup, &user, &password);
+
+	if (!srv) {
+		TALLOC_FREE(frame);
+		return -1;  /* SMBC_server sets errno */
+
+	}
+
+	creds = context->internal->creds;
+
+	/*d_printf(">>>unlink: resolving %s\n", path);*/
+	status = cli_resolve_path(frame, "",
+				  creds,
+				  srv->cli, path, &targetcli, &targetpath);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path);
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+	/*d_printf(">>>unlink: resolved path as %s\n", targetpath);*/
+
+	status = cli_unlink(
+		targetcli,
+		targetpath,
+		FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_HIDDEN);
+
+	if (!NT_STATUS_IS_OK(status)) {
+
+		errno = cli_status_to_errno(status);
+
+		if (errno == EACCES) { /* Check if the file is a directory */
+
+			int saverr = errno;
+			struct stat sb = {0};
+
+			status = SMBC_getatr(context, srv, path, &sb);
+			if (!NT_STATUS_IS_OK(status)) {
+				/* Hmmm, bad error ... What? */
+
+				TALLOC_FREE(frame);
+				errno = cli_status_to_errno(status);
+				return -1;
+
+			}
+			else {
+
+				if (S_ISDIR(sb.st_mode))
+					errno = EISDIR;
+				else
+					errno = saverr;  /* Restore this */
+
+			}
+		}
+
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	TALLOC_FREE(frame);
+	return 0;  /* Success ... */
+
+}
+
+/*
+ * Routine to rename() a file
+ */
+
+int
+SMBC_rename_ctx(SMBCCTX *ocontext,
+                const char *oname,
+                SMBCCTX *ncontext,
+                const char *nname)
+{
+	char *server1 = NULL;
+        char *share1 = NULL;
+        char *server2 = NULL;
+        char *share2 = NULL;
+        char *user1 = NULL;
+        char *user2 = NULL;
+        char *password1 = NULL;
+        char *password2 = NULL;
+        char *workgroup = NULL;
+	char *path1 = NULL;
+        char *path2 = NULL;
+        char *targetpath1 = NULL;
+        char *targetpath2 = NULL;
+	struct cli_state *targetcli1 = NULL;
+        struct cli_state *targetcli2 = NULL;
+	SMBCSRV *srv = NULL;
+	uint16_t port1 = 0;
+	uint16_t port2 = 0;
+	struct cli_credentials *ocreds = NULL;
+	struct cli_credentials *ncreds = NULL;
+	TALLOC_CTX *frame = talloc_stackframe();
+        NTSTATUS status;
+
+	if (!ocontext || !ncontext ||
+	    !ocontext->internal->initialized ||
+	    !ncontext->internal->initialized) {
+
+		errno = EINVAL;  /* Best I can think of ... */
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!oname || !nname) {
+		errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	DEBUG(4, ("smbc_rename(%s,%s)\n", oname, nname));
+
+	if (SMBC_parse_path(frame,
+                            ocontext,
+                            oname,
+                            &workgroup,
+                            &server1,
+                            &port1,
+                            &share1,
+                            &path1,
+                            &user1,
+                            &password1,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	if (!user1 || user1[0] == (char)0) {
+		user1 = talloc_strdup(frame, smbc_getUser(ocontext));
+		if (!user1) {
+                	errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	if (SMBC_parse_path(frame,
+                            ncontext,
+                            nname,
+                            NULL,
+                            &server2,
+                            &port2,
+                            &share2,
+                            &path2,
+                            &user2,
+                            &password2,
+                            NULL)) {
+                errno = EINVAL;
+		TALLOC_FREE(frame);
+                return -1;
+	}
+
+	if (!user2 || user2[0] == (char)0) {
+		user2 = talloc_strdup(frame, smbc_getUser(ncontext));
+		if (!user2) {
+                	errno = ENOMEM;
+			TALLOC_FREE(frame);
+			return -1;
+		}
+	}
+
+	if (strcmp(server1, server2) || strcmp(share1, share2) ||
+	    strcmp(user1, user2)) {
+		/* Can't rename across file systems, or users?? */
+		errno = EXDEV;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	srv = SMBC_server(frame, ocontext, True,
+                          server1, port1, share1, &workgroup, &user1, &password1);
+	if (!srv) {
+		TALLOC_FREE(frame);
+		return -1;
+
+	}
+
+	/* set the credentials to make DFS work */
+	smbc_set_credentials_with_fallback(ocontext,
+					   workgroup,
+				     	   user1,
+				    	   password1);
+
+	/*d_printf(">>>rename: resolving %s\n", path1);*/
+	ocreds = ocontext->internal->creds;
+
+	status = cli_resolve_path(frame, "",
+				  ocreds,
+				  srv->cli, path1, &targetcli1, &targetpath1);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path1);
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+	
+	/* set the credentials to make DFS work */
+	smbc_set_credentials_with_fallback(ncontext,
+					   workgroup,
+				           user2,
+				           password2);
+	
+	/*d_printf(">>>rename: resolved path as %s\n", targetpath1);*/
+	/*d_printf(">>>rename: resolving %s\n", path2);*/
+	ncreds = ncontext->internal->creds;
+
+	status = cli_resolve_path(frame, "",
+				  ncreds,
+				  srv->cli, path2, &targetcli2, &targetpath2);
+	if (!NT_STATUS_IS_OK(status)) {
+		d_printf("Could not resolve %s\n", path2);
+                errno = ENOENT;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+	/*d_printf(">>>rename: resolved path as %s\n", targetpath2);*/
+
+	if (strcmp(smbXcli_conn_remote_name(targetcli1->conn), smbXcli_conn_remote_name(targetcli2->conn)) ||
+            strcmp(targetcli1->share, targetcli2->share))
+	{
+		/* can't rename across file systems */
+		errno = EXDEV;
+		TALLOC_FREE(frame);
+		return -1;
+	}
+
+	status = cli_rename(targetcli1, targetpath1, targetpath2, false);
+	if (!NT_STATUS_IS_OK(status)) {
+		int eno = cli_status_to_errno(status);
+
+		if (eno != EEXIST ||
+		    !NT_STATUS_IS_OK(cli_unlink(targetcli1, targetpath2,
+						FILE_ATTRIBUTE_SYSTEM |
+						    FILE_ATTRIBUTE_HIDDEN)) ||
+		    !NT_STATUS_IS_OK(cli_rename(targetcli1, targetpath1,
+						targetpath2, false))) {
+
+			errno = eno;
+			TALLOC_FREE(frame);
+			return -1;
+
+		}
+	}
+
+	TALLOC_FREE(frame);
+	return 0; /* Success */
+}
+
+struct smbc_notify_cb_state {
+	struct tevent_context *ev;
+	struct cli_state *cli;
+	uint16_t fnum;
+	bool recursive;
+	uint32_t completion_filter;
+	unsigned callback_timeout_ms;
+	smbc_notify_callback_fn cb;
+	void *private_data;
+};
+
+static void smbc_notify_cb_got_changes(struct tevent_req *subreq);
+static void smbc_notify_cb_timedout(struct tevent_req *subreq);
+
+static struct tevent_req *smbc_notify_cb_send(
+	TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
+	uint16_t fnum, bool recursive, uint32_t completion_filter,
+	unsigned callback_timeout_ms,
+	smbc_notify_callback_fn cb, void *private_data)
+{
+	struct tevent_req *req, *subreq;
+	struct smbc_notify_cb_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct smbc_notify_cb_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->ev = ev;
+	state->cli = cli;
+	state->fnum = fnum;
+	state->recursive = recursive;
+	state->completion_filter = completion_filter;
+	state->callback_timeout_ms = callback_timeout_ms;
+	state->cb = cb;
+	state->private_data = private_data;
+
+	subreq = cli_notify_send(
+		state, state->ev, state->cli, state->fnum, 1000,
+		state->completion_filter, state->recursive);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, smbc_notify_cb_got_changes, req);
+
+	if (state->callback_timeout_ms == 0) {
+		return req;
+	}
+
+	subreq = tevent_wakeup_send(
+		state, state->ev,
+		tevent_timeval_current_ofs(state->callback_timeout_ms/1000,
+					   state->callback_timeout_ms*1000));
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, smbc_notify_cb_timedout, req);
+
+	return req;
+}
+
+static void smbc_notify_cb_got_changes(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct smbc_notify_cb_state *state = tevent_req_data(
+		req, struct smbc_notify_cb_state);
+	uint32_t num_changes;
+	struct notify_change *changes;
+	NTSTATUS status;
+	int cb_ret;
+
+	status = cli_notify_recv(subreq, state, &num_changes, &changes);
+	TALLOC_FREE(subreq);
+	if (tevent_req_nterror(req, status)) {
+		return;
+	}
+
+	{
+		struct smbc_notify_callback_action actions[num_changes];
+		uint32_t i;
+
+		for (i=0; i<num_changes; i++) {
+			actions[i].action = changes[i].action;
+			actions[i].filename = changes[i].name;
+		}
+
+		cb_ret = state->cb(actions, num_changes, state->private_data);
+	}
+
+	TALLOC_FREE(changes);
+
+	if (cb_ret != 0) {
+		tevent_req_done(req);
+		return;
+	}
+
+	subreq = cli_notify_send(
+		state, state->ev, state->cli, state->fnum, 1000,
+		state->completion_filter, state->recursive);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, smbc_notify_cb_got_changes, req);
+}
+
+static void smbc_notify_cb_timedout(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct smbc_notify_cb_state *state = tevent_req_data(
+		req, struct smbc_notify_cb_state);
+	int cb_ret;
+	bool ok;
+
+	ok = tevent_wakeup_recv(subreq);
+	TALLOC_FREE(subreq);
+	if (!ok) {
+		tevent_req_oom(req);
+		return;
+	}
+
+	cb_ret = state->cb(NULL, 0, state->private_data);
+	if (cb_ret != 0) {
+		tevent_req_done(req);
+		return;
+	}
+
+	subreq = tevent_wakeup_send(
+		state, state->ev,
+		tevent_timeval_current_ofs(state->callback_timeout_ms/1000,
+					   state->callback_timeout_ms*1000));
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, smbc_notify_cb_timedout, req);
+}
+
+static NTSTATUS smbc_notify_cb_recv(struct tevent_req *req)
+{
+	return tevent_req_simple_recv_ntstatus(req);
+}
+
+static NTSTATUS smbc_notify_cb(struct cli_state *cli, uint16_t fnum,
+			       bool recursive, uint32_t completion_filter,
+			       unsigned callback_timeout_ms,
+			       smbc_notify_callback_fn cb, void *private_data)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct tevent_context *ev;
+	struct tevent_req *req;
+	NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+	ev = samba_tevent_context_init(frame);
+	if (ev == NULL) {
+		goto fail;
+	}
+	req = smbc_notify_cb_send(frame, ev, cli, fnum, recursive,
+				  completion_filter,
+				  callback_timeout_ms, cb, private_data);
+	if (req == NULL) {
+		goto fail;
+	}
+	if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+		goto fail;
+	}
+	status = smbc_notify_cb_recv(req);
+	TALLOC_FREE(req);
+fail:
+	TALLOC_FREE(frame);
+	return status;
+}
+
+int
+SMBC_notify_ctx(SMBCCTX *context, SMBCFILE *dir, smbc_bool recursive,
+		uint32_t completion_filter, unsigned callback_timeout_ms,
+		smbc_notify_callback_fn cb, void *private_data)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct cli_state *cli;
+	char *server = NULL;
+	char *share = NULL;
+	char *user = NULL;
+	char *password = NULL;
+	char *options = NULL;
+	char *workgroup = NULL;
+	char *path = NULL;
+	uint16_t port;
+	NTSTATUS status;
+	uint16_t fnum;
+
+	if ((context == NULL) || !context->internal->initialized) {
+		TALLOC_FREE(frame);
+		errno = EINVAL;
+		return -1;
+	}
+	if (!SMBC_dlist_contains(context->internal->files, dir)) {
+		TALLOC_FREE(frame);
+		errno = EBADF;
+		return -1;
+	}
+
+	if (SMBC_parse_path(frame,
+                            context,
+                            dir->fname,
+                            &workgroup,
+                            &server,
+                            &port,
+                            &share,
+                            &path,
+                            &user,
+                            &password,
+                            &options)) {
+	        DEBUG(4, ("no valid path\n"));
+		TALLOC_FREE(frame);
+		errno = EINVAL + 8194;
+		return -1;
+	}
+
+	DEBUG(4, ("parsed path: fname='%s' server='%s' share='%s' "
+                  "path='%s' options='%s'\n",
+                  dir->fname, server, share, path, options));
+
+	DEBUG(4, ("%s(%p, %d, %"PRIu32")\n", __func__, dir,
+		  (int)recursive, completion_filter));
+
+	cli = dir->srv->cli;
+	status = cli_ntcreate(
+		cli, path, 0, FILE_READ_DATA, 0,
+		FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
+		FILE_OPEN, 0, 0, &fnum, NULL);
+	if (!NT_STATUS_IS_OK(status)) {
+		TALLOC_FREE(frame);
+		errno = cli_status_to_errno(status);
+		return -1;
+	}
+
+	status = smbc_notify_cb(cli, fnum, recursive != 0, completion_filter,
+				callback_timeout_ms, cb, private_data);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_close(cli, fnum);
+		TALLOC_FREE(frame);
+		errno = cli_status_to_errno(status);
+		return -1;
+	}
+
+	cli_close(cli, fnum);
+
+	TALLOC_FREE(frame);
+	return 0;
+}