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865 lines
26 KiB
C
865 lines
26 KiB
C
/*
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Unix SMB/CIFS implementation.
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POSIX NTVFS backend - directory search functions
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Copyright (C) Andrew Tridgell 2004
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "vfs_posix.h"
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#include "system/time.h"
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#include "librpc/gen_ndr/security.h"
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#include "smbd/service_stream.h"
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#include "lib/events/events.h"
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#include "../lib/util/dlinklist.h"
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/* place a reasonable limit on old-style searches as clients tend to
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not send search close requests */
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#define MAX_OLD_SEARCHES 2000
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#define MAX_SEARCH_HANDLES (UINT16_MAX - 1)
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#define INVALID_SEARCH_HANDLE UINT16_MAX
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/*
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destroy an open search
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*/
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static int pvfs_search_destructor(struct pvfs_search_state *search)
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{
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DLIST_REMOVE(search->pvfs->search.list, search);
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idr_remove(search->pvfs->search.idtree, search->handle);
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return 0;
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}
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/*
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called when a search timer goes off
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*/
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static void pvfs_search_timer(struct tevent_context *ev, struct tevent_timer *te,
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struct timeval t, void *ptr)
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{
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struct pvfs_search_state *search = talloc_get_type(ptr, struct pvfs_search_state);
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talloc_free(search);
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}
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/*
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setup a timer to destroy a open search after a inactivity period
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*/
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static void pvfs_search_setup_timer(struct pvfs_search_state *search)
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{
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struct tevent_context *ev = search->pvfs->ntvfs->ctx->event_ctx;
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if (search->handle == INVALID_SEARCH_HANDLE) return;
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talloc_free(search->te);
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search->te = tevent_add_timer(ev, search,
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timeval_current_ofs(search->pvfs->search.inactivity_time, 0),
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pvfs_search_timer, search);
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}
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/*
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fill in a single search result for a given info level
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*/
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static NTSTATUS fill_search_info(struct pvfs_state *pvfs,
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enum smb_search_data_level level,
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const char *unix_path,
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const char *fname,
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struct pvfs_search_state *search,
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off_t dir_offset,
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union smb_search_data *file)
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{
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struct pvfs_filename *name;
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NTSTATUS status;
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const char *shortname;
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uint32_t dir_index = (uint32_t)dir_offset; /* truncated - see the code
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in pvfs_list_seek_ofs() for
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how we cope with this */
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status = pvfs_resolve_partial(pvfs, file, unix_path, fname, 0, &name);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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status = pvfs_match_attrib(pvfs, name, search->search_attrib, search->must_attrib);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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switch (level) {
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case RAW_SEARCH_DATA_SEARCH:
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shortname = pvfs_short_name(pvfs, name, name);
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file->search.attrib = name->dos.attrib;
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file->search.write_time = nt_time_to_unix(name->dos.write_time);
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file->search.size = name->st.st_size;
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file->search.name = shortname;
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file->search.id.reserved = search->handle >> 8;
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memset(file->search.id.name, ' ', sizeof(file->search.id.name));
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memcpy(file->search.id.name, shortname,
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MIN(strlen(shortname)+1, sizeof(file->search.id.name)));
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file->search.id.handle = search->handle & 0xFF;
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file->search.id.server_cookie = dir_index;
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file->search.id.client_cookie = 0;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_STANDARD:
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file->standard.resume_key = dir_index;
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file->standard.create_time = nt_time_to_unix(name->dos.create_time);
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file->standard.access_time = nt_time_to_unix(name->dos.access_time);
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file->standard.write_time = nt_time_to_unix(name->dos.write_time);
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file->standard.size = name->st.st_size;
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file->standard.alloc_size = name->dos.alloc_size;
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file->standard.attrib = name->dos.attrib;
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file->standard.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_EA_SIZE:
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file->ea_size.resume_key = dir_index;
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file->ea_size.create_time = nt_time_to_unix(name->dos.create_time);
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file->ea_size.access_time = nt_time_to_unix(name->dos.access_time);
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file->ea_size.write_time = nt_time_to_unix(name->dos.write_time);
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file->ea_size.size = name->st.st_size;
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file->ea_size.alloc_size = name->dos.alloc_size;
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file->ea_size.attrib = name->dos.attrib;
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file->ea_size.ea_size = name->dos.ea_size;
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file->ea_size.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_EA_LIST:
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file->ea_list.resume_key = dir_index;
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file->ea_list.create_time = nt_time_to_unix(name->dos.create_time);
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file->ea_list.access_time = nt_time_to_unix(name->dos.access_time);
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file->ea_list.write_time = nt_time_to_unix(name->dos.write_time);
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file->ea_list.size = name->st.st_size;
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file->ea_list.alloc_size = name->dos.alloc_size;
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file->ea_list.attrib = name->dos.attrib;
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file->ea_list.name.s = fname;
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return pvfs_query_ea_list(pvfs, file, name, -1,
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search->num_ea_names,
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search->ea_names,
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&file->ea_list.eas);
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case RAW_SEARCH_DATA_DIRECTORY_INFO:
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file->directory_info.file_index = dir_index;
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file->directory_info.create_time = name->dos.create_time;
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file->directory_info.access_time = name->dos.access_time;
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file->directory_info.write_time = name->dos.write_time;
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file->directory_info.change_time = name->dos.change_time;
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file->directory_info.size = name->st.st_size;
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file->directory_info.alloc_size = name->dos.alloc_size;
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file->directory_info.attrib = name->dos.attrib;
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file->directory_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
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file->full_directory_info.file_index = dir_index;
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file->full_directory_info.create_time = name->dos.create_time;
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file->full_directory_info.access_time = name->dos.access_time;
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file->full_directory_info.write_time = name->dos.write_time;
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file->full_directory_info.change_time = name->dos.change_time;
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file->full_directory_info.size = name->st.st_size;
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file->full_directory_info.alloc_size = name->dos.alloc_size;
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file->full_directory_info.attrib = name->dos.attrib;
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file->full_directory_info.ea_size = name->dos.ea_size;
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file->full_directory_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_NAME_INFO:
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file->name_info.file_index = dir_index;
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file->name_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
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file->both_directory_info.file_index = dir_index;
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file->both_directory_info.create_time = name->dos.create_time;
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file->both_directory_info.access_time = name->dos.access_time;
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file->both_directory_info.write_time = name->dos.write_time;
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file->both_directory_info.change_time = name->dos.change_time;
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file->both_directory_info.size = name->st.st_size;
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file->both_directory_info.alloc_size = name->dos.alloc_size;
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file->both_directory_info.attrib = name->dos.attrib;
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file->both_directory_info.ea_size = name->dos.ea_size;
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file->both_directory_info.short_name.s = pvfs_short_name(pvfs, file, name);
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file->both_directory_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
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file->id_full_directory_info.file_index = dir_index;
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file->id_full_directory_info.create_time = name->dos.create_time;
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file->id_full_directory_info.access_time = name->dos.access_time;
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file->id_full_directory_info.write_time = name->dos.write_time;
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file->id_full_directory_info.change_time = name->dos.change_time;
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file->id_full_directory_info.size = name->st.st_size;
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file->id_full_directory_info.alloc_size = name->dos.alloc_size;
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file->id_full_directory_info.attrib = name->dos.attrib;
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file->id_full_directory_info.ea_size = name->dos.ea_size;
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file->id_full_directory_info.file_id = name->dos.file_id;
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file->id_full_directory_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
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file->id_both_directory_info.file_index = dir_index;
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file->id_both_directory_info.create_time = name->dos.create_time;
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file->id_both_directory_info.access_time = name->dos.access_time;
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file->id_both_directory_info.write_time = name->dos.write_time;
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file->id_both_directory_info.change_time = name->dos.change_time;
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file->id_both_directory_info.size = name->st.st_size;
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file->id_both_directory_info.alloc_size = name->dos.alloc_size;
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file->id_both_directory_info.attrib = name->dos.attrib;
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file->id_both_directory_info.ea_size = name->dos.ea_size;
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file->id_both_directory_info.file_id = name->dos.file_id;
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file->id_both_directory_info.short_name.s = pvfs_short_name(pvfs, file, name);
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file->id_both_directory_info.name.s = fname;
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return NT_STATUS_OK;
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case RAW_SEARCH_DATA_GENERIC:
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case RAW_SEARCH_DATA_UNIX_INFO:
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case RAW_SEARCH_DATA_UNIX_INFO2:
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return NT_STATUS_INVALID_LEVEL;
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}
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return NT_STATUS_INVALID_LEVEL;
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}
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/*
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the search fill loop
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*/
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static NTSTATUS pvfs_search_fill(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
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unsigned int max_count,
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struct pvfs_search_state *search,
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enum smb_search_data_level level,
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unsigned int *reply_count,
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void *search_private,
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bool (*callback)(void *, const union smb_search_data *))
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{
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struct pvfs_dir *dir = search->dir;
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NTSTATUS status;
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*reply_count = 0;
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if (max_count == 0) {
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max_count = 1;
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}
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while ((*reply_count) < max_count) {
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union smb_search_data *file;
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const char *name;
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off_t ofs = search->current_index;
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name = pvfs_list_next(dir, &search->current_index);
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if (name == NULL) break;
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file = talloc(mem_ctx, union smb_search_data);
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if (!file) {
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return NT_STATUS_NO_MEMORY;
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}
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status = fill_search_info(pvfs, level,
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pvfs_list_unix_path(dir), name,
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search, search->current_index, file);
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if (!NT_STATUS_IS_OK(status)) {
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talloc_free(file);
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continue;
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}
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if (!callback(search_private, file)) {
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talloc_free(file);
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search->current_index = ofs;
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break;
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}
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(*reply_count)++;
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talloc_free(file);
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}
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pvfs_search_setup_timer(search);
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return NT_STATUS_OK;
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}
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/*
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we've run out of search handles - cleanup those that the client forgot
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to close
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*/
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static void pvfs_search_cleanup(struct pvfs_state *pvfs)
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{
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int i;
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time_t t = time_mono(NULL);
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for (i=0;i<MAX_OLD_SEARCHES;i++) {
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struct pvfs_search_state *search;
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void *p = idr_find(pvfs->search.idtree, i);
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if (p == NULL) return;
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search = talloc_get_type(p, struct pvfs_search_state);
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if (pvfs_list_eos(search->dir, search->current_index) &&
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search->last_used != 0 &&
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t > search->last_used + 30) {
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/* its almost certainly been forgotten
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about */
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talloc_free(search);
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}
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}
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}
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/*
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list files in a directory matching a wildcard pattern - old SMBsearch interface
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*/
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static NTSTATUS pvfs_search_first_old(struct ntvfs_module_context *ntvfs,
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struct ntvfs_request *req, union smb_search_first *io,
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void *search_private,
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bool (*callback)(void *, const union smb_search_data *))
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{
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struct pvfs_dir *dir;
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struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
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struct pvfs_state);
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struct pvfs_search_state *search;
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unsigned int reply_count;
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uint16_t search_attrib;
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const char *pattern;
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NTSTATUS status;
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struct pvfs_filename *name;
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int id;
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search_attrib = io->search_first.in.search_attrib;
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pattern = io->search_first.in.pattern;
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/* resolve the cifs name to a posix name */
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status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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if (!name->has_wildcard && !name->exists) {
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return STATUS_NO_MORE_FILES;
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}
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status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_TRAVERSE | SEC_DIR_LIST);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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/* we initially make search a child of the request, then if we
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need to keep it long term we steal it for the private
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structure */
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search = talloc(req, struct pvfs_search_state);
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if (!search) {
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return NT_STATUS_NO_MEMORY;
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}
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/* do the actual directory listing */
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status = pvfs_list_start(pvfs, name, search, &dir);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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/* we need to give a handle back to the client so it
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can continue a search */
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id = idr_get_new(pvfs->search.idtree, search, MAX_OLD_SEARCHES);
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if (id == -1) {
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pvfs_search_cleanup(pvfs);
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id = idr_get_new(pvfs->search.idtree, search, MAX_OLD_SEARCHES);
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}
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if (id == -1) {
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return NT_STATUS_INSUFFICIENT_RESOURCES;
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}
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search->pvfs = pvfs;
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search->handle = id;
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search->dir = dir;
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search->current_index = 0;
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search->search_attrib = search_attrib & 0xFF;
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search->must_attrib = (search_attrib>>8) & 0xFF;
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search->last_used = time_mono(NULL);
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search->te = NULL;
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DLIST_ADD(pvfs->search.list, search);
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talloc_set_destructor(search, pvfs_search_destructor);
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status = pvfs_search_fill(pvfs, req, io->search_first.in.max_count, search, io->generic.data_level,
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&reply_count, search_private, callback);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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io->search_first.out.count = reply_count;
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/* not matching any entries is an error */
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if (reply_count == 0) {
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return STATUS_NO_MORE_FILES;
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}
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talloc_steal(pvfs, search);
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return NT_STATUS_OK;
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}
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/* continue a old style search */
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static NTSTATUS pvfs_search_next_old(struct ntvfs_module_context *ntvfs,
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struct ntvfs_request *req, union smb_search_next *io,
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void *search_private,
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bool (*callback)(void *, const union smb_search_data *))
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{
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struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
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struct pvfs_state);
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void *p;
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struct pvfs_search_state *search;
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struct pvfs_dir *dir;
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unsigned int reply_count, max_count;
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uint16_t handle;
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NTSTATUS status;
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handle = io->search_next.in.id.handle | (io->search_next.in.id.reserved<<8);
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max_count = io->search_next.in.max_count;
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p = idr_find(pvfs->search.idtree, handle);
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if (p == NULL) {
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/* we didn't find the search handle */
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return NT_STATUS_INVALID_HANDLE;
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}
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search = talloc_get_type(p, struct pvfs_search_state);
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dir = search->dir;
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status = pvfs_list_seek_ofs(dir, io->search_next.in.id.server_cookie,
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&search->current_index);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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search->last_used = time_mono(NULL);
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status = pvfs_search_fill(pvfs, req, max_count, search, io->generic.data_level,
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&reply_count, search_private, callback);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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io->search_next.out.count = reply_count;
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/* not matching any entries means end of search */
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if (reply_count == 0) {
|
|
talloc_free(search);
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*
|
|
list files in a directory matching a wildcard pattern
|
|
*/
|
|
static NTSTATUS pvfs_search_first_trans2(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, union smb_search_first *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
struct pvfs_dir *dir;
|
|
struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
|
|
struct pvfs_state);
|
|
struct pvfs_search_state *search;
|
|
unsigned int reply_count;
|
|
uint16_t search_attrib, max_count;
|
|
const char *pattern;
|
|
NTSTATUS status;
|
|
struct pvfs_filename *name;
|
|
int id;
|
|
|
|
search_attrib = io->t2ffirst.in.search_attrib;
|
|
pattern = io->t2ffirst.in.pattern;
|
|
max_count = io->t2ffirst.in.max_count;
|
|
|
|
/* resolve the cifs name to a posix name */
|
|
status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
if (!name->has_wildcard && !name->exists) {
|
|
return NT_STATUS_NO_SUCH_FILE;
|
|
}
|
|
|
|
status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_TRAVERSE | SEC_DIR_LIST);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
/* we initially make search a child of the request, then if we
|
|
need to keep it long term we steal it for the private
|
|
structure */
|
|
search = talloc(req, struct pvfs_search_state);
|
|
if (!search) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* do the actual directory listing */
|
|
status = pvfs_list_start(pvfs, name, search, &dir);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
id = idr_get_new(pvfs->search.idtree, search, MAX_SEARCH_HANDLES);
|
|
if (id == -1) {
|
|
return NT_STATUS_INSUFFICIENT_RESOURCES;
|
|
}
|
|
|
|
search->pvfs = pvfs;
|
|
search->handle = id;
|
|
search->dir = dir;
|
|
search->current_index = 0;
|
|
search->search_attrib = search_attrib;
|
|
search->must_attrib = 0;
|
|
search->last_used = 0;
|
|
search->num_ea_names = io->t2ffirst.in.num_names;
|
|
search->ea_names = io->t2ffirst.in.ea_names;
|
|
search->te = NULL;
|
|
|
|
DLIST_ADD(pvfs->search.list, search);
|
|
talloc_set_destructor(search, pvfs_search_destructor);
|
|
|
|
status = pvfs_search_fill(pvfs, req, max_count, search, io->generic.data_level,
|
|
&reply_count, search_private, callback);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
/* not matching any entries is an error */
|
|
if (reply_count == 0) {
|
|
return NT_STATUS_NO_SUCH_FILE;
|
|
}
|
|
|
|
io->t2ffirst.out.count = reply_count;
|
|
io->t2ffirst.out.handle = search->handle;
|
|
io->t2ffirst.out.end_of_search = pvfs_list_eos(dir, search->current_index) ? 1 : 0;
|
|
|
|
/* work out if we are going to keep the search state
|
|
and allow for a search continue */
|
|
if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
|
|
((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) &&
|
|
io->t2ffirst.out.end_of_search)) {
|
|
talloc_free(search);
|
|
} else {
|
|
talloc_steal(pvfs, search);
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/* continue a search */
|
|
static NTSTATUS pvfs_search_next_trans2(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, union smb_search_next *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
|
|
struct pvfs_state);
|
|
void *p;
|
|
struct pvfs_search_state *search;
|
|
struct pvfs_dir *dir;
|
|
unsigned int reply_count;
|
|
uint16_t handle;
|
|
NTSTATUS status;
|
|
|
|
handle = io->t2fnext.in.handle;
|
|
|
|
p = idr_find(pvfs->search.idtree, handle);
|
|
if (p == NULL) {
|
|
/* we didn't find the search handle */
|
|
return NT_STATUS_INVALID_HANDLE;
|
|
}
|
|
|
|
search = talloc_get_type(p, struct pvfs_search_state);
|
|
|
|
dir = search->dir;
|
|
|
|
status = NT_STATUS_OK;
|
|
|
|
/* work out what type of continuation is being used */
|
|
if (io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
|
|
status = pvfs_list_seek(dir, io->t2fnext.in.last_name, &search->current_index);
|
|
if (!NT_STATUS_IS_OK(status) && io->t2fnext.in.resume_key) {
|
|
status = pvfs_list_seek_ofs(dir, io->t2fnext.in.resume_key,
|
|
&search->current_index);
|
|
}
|
|
} else if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE)) {
|
|
status = pvfs_list_seek_ofs(dir, io->t2fnext.in.resume_key,
|
|
&search->current_index);
|
|
}
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
search->num_ea_names = io->t2fnext.in.num_names;
|
|
search->ea_names = io->t2fnext.in.ea_names;
|
|
|
|
status = pvfs_search_fill(pvfs, req, io->t2fnext.in.max_count, search, io->generic.data_level,
|
|
&reply_count, search_private, callback);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
io->t2fnext.out.count = reply_count;
|
|
io->t2fnext.out.end_of_search = pvfs_list_eos(dir, search->current_index) ? 1 : 0;
|
|
|
|
/* work out if we are going to keep the search state */
|
|
if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
|
|
((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) &&
|
|
io->t2fnext.out.end_of_search)) {
|
|
talloc_free(search);
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS pvfs_search_first_smb2(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, const struct smb2_find *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
struct pvfs_dir *dir;
|
|
struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
|
|
struct pvfs_state);
|
|
struct pvfs_search_state *search;
|
|
unsigned int reply_count;
|
|
uint16_t max_count;
|
|
const char *pattern;
|
|
NTSTATUS status;
|
|
struct pvfs_filename *name;
|
|
struct pvfs_file *f;
|
|
|
|
f = pvfs_find_fd(pvfs, req, io->in.file.ntvfs);
|
|
if (!f) {
|
|
return NT_STATUS_FILE_CLOSED;
|
|
}
|
|
|
|
/* its only valid for directories */
|
|
if (f->handle->fd != -1) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (!(f->access_mask & SEC_DIR_LIST)) {
|
|
return NT_STATUS_ACCESS_DENIED;
|
|
}
|
|
|
|
if (f->search) {
|
|
talloc_free(f->search);
|
|
f->search = NULL;
|
|
}
|
|
|
|
if (strequal(io->in.pattern, "")) {
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
}
|
|
if (strchr_m(io->in.pattern, '\\')) {
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
}
|
|
if (strchr_m(io->in.pattern, '/')) {
|
|
return NT_STATUS_OBJECT_NAME_INVALID;
|
|
}
|
|
|
|
if (strequal("", f->handle->name->original_name)) {
|
|
pattern = talloc_asprintf(req, "%s", io->in.pattern);
|
|
NT_STATUS_HAVE_NO_MEMORY(pattern);
|
|
} else {
|
|
pattern = talloc_asprintf(req, "%s\\%s",
|
|
f->handle->name->original_name,
|
|
io->in.pattern);
|
|
NT_STATUS_HAVE_NO_MEMORY(pattern);
|
|
}
|
|
|
|
/* resolve the cifs name to a posix name */
|
|
status = pvfs_resolve_name(pvfs, req, pattern, PVFS_RESOLVE_WILDCARD, &name);
|
|
NT_STATUS_NOT_OK_RETURN(status);
|
|
|
|
if (!name->has_wildcard && !name->exists) {
|
|
return NT_STATUS_NO_SUCH_FILE;
|
|
}
|
|
|
|
/* we initially make search a child of the request, then if we
|
|
need to keep it long term we steal it for the private
|
|
structure */
|
|
search = talloc(req, struct pvfs_search_state);
|
|
NT_STATUS_HAVE_NO_MEMORY(search);
|
|
|
|
/* do the actual directory listing */
|
|
status = pvfs_list_start(pvfs, name, search, &dir);
|
|
NT_STATUS_NOT_OK_RETURN(status);
|
|
|
|
search->pvfs = pvfs;
|
|
search->handle = INVALID_SEARCH_HANDLE;
|
|
search->dir = dir;
|
|
search->current_index = 0;
|
|
search->search_attrib = 0x0000FFFF;
|
|
search->must_attrib = 0;
|
|
search->last_used = 0;
|
|
search->num_ea_names = 0;
|
|
search->ea_names = NULL;
|
|
search->te = NULL;
|
|
|
|
if (io->in.continue_flags & SMB2_CONTINUE_FLAG_SINGLE) {
|
|
max_count = 1;
|
|
} else {
|
|
max_count = UINT16_MAX;
|
|
}
|
|
|
|
status = pvfs_search_fill(pvfs, req, max_count, search, io->data_level,
|
|
&reply_count, search_private, callback);
|
|
NT_STATUS_NOT_OK_RETURN(status);
|
|
|
|
/* not matching any entries is an error */
|
|
if (reply_count == 0) {
|
|
return NT_STATUS_NO_SUCH_FILE;
|
|
}
|
|
|
|
f->search = talloc_steal(f, search);
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS pvfs_search_next_smb2(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, const struct smb2_find *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
|
|
struct pvfs_state);
|
|
struct pvfs_search_state *search;
|
|
unsigned int reply_count;
|
|
uint16_t max_count;
|
|
NTSTATUS status;
|
|
struct pvfs_file *f;
|
|
|
|
f = pvfs_find_fd(pvfs, req, io->in.file.ntvfs);
|
|
if (!f) {
|
|
return NT_STATUS_FILE_CLOSED;
|
|
}
|
|
|
|
/* its only valid for directories */
|
|
if (f->handle->fd != -1) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
/* if there's no search started on the dir handle, it's like a search_first */
|
|
search = f->search;
|
|
if (!search) {
|
|
return pvfs_search_first_smb2(ntvfs, req, io, search_private, callback);
|
|
}
|
|
|
|
if (io->in.continue_flags & SMB2_CONTINUE_FLAG_RESTART) {
|
|
search->current_index = 0;
|
|
}
|
|
|
|
if (io->in.continue_flags & SMB2_CONTINUE_FLAG_SINGLE) {
|
|
max_count = 1;
|
|
} else {
|
|
max_count = UINT16_MAX;
|
|
}
|
|
|
|
status = pvfs_search_fill(pvfs, req, max_count, search, io->data_level,
|
|
&reply_count, search_private, callback);
|
|
NT_STATUS_NOT_OK_RETURN(status);
|
|
|
|
/* not matching any entries is an error */
|
|
if (reply_count == 0) {
|
|
return STATUS_NO_MORE_FILES;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*
|
|
list files in a directory matching a wildcard pattern
|
|
*/
|
|
NTSTATUS pvfs_search_first(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, union smb_search_first *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
switch (io->generic.level) {
|
|
case RAW_SEARCH_SEARCH:
|
|
case RAW_SEARCH_FFIRST:
|
|
case RAW_SEARCH_FUNIQUE:
|
|
return pvfs_search_first_old(ntvfs, req, io, search_private, callback);
|
|
|
|
case RAW_SEARCH_TRANS2:
|
|
return pvfs_search_first_trans2(ntvfs, req, io, search_private, callback);
|
|
|
|
case RAW_SEARCH_SMB2:
|
|
return pvfs_search_first_smb2(ntvfs, req, &io->smb2, search_private, callback);
|
|
}
|
|
|
|
return NT_STATUS_INVALID_LEVEL;
|
|
}
|
|
|
|
/* continue a search */
|
|
NTSTATUS pvfs_search_next(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, union smb_search_next *io,
|
|
void *search_private,
|
|
bool (*callback)(void *, const union smb_search_data *))
|
|
{
|
|
switch (io->generic.level) {
|
|
case RAW_SEARCH_SEARCH:
|
|
case RAW_SEARCH_FFIRST:
|
|
return pvfs_search_next_old(ntvfs, req, io, search_private, callback);
|
|
|
|
case RAW_SEARCH_FUNIQUE:
|
|
return NT_STATUS_INVALID_LEVEL;
|
|
|
|
case RAW_SEARCH_TRANS2:
|
|
return pvfs_search_next_trans2(ntvfs, req, io, search_private, callback);
|
|
|
|
case RAW_SEARCH_SMB2:
|
|
return pvfs_search_next_smb2(ntvfs, req, &io->smb2, search_private, callback);
|
|
}
|
|
|
|
return NT_STATUS_INVALID_LEVEL;
|
|
}
|
|
|
|
|
|
/* close a search */
|
|
NTSTATUS pvfs_search_close(struct ntvfs_module_context *ntvfs,
|
|
struct ntvfs_request *req, union smb_search_close *io)
|
|
{
|
|
struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
|
|
struct pvfs_state);
|
|
void *p;
|
|
struct pvfs_search_state *search;
|
|
uint16_t handle = INVALID_SEARCH_HANDLE;
|
|
|
|
switch (io->generic.level) {
|
|
case RAW_FINDCLOSE_GENERIC:
|
|
return NT_STATUS_INVALID_LEVEL;
|
|
|
|
case RAW_FINDCLOSE_FCLOSE:
|
|
handle = io->fclose.in.id.handle;
|
|
break;
|
|
|
|
case RAW_FINDCLOSE_FINDCLOSE:
|
|
handle = io->findclose.in.handle;
|
|
break;
|
|
}
|
|
|
|
p = idr_find(pvfs->search.idtree, handle);
|
|
if (p == NULL) {
|
|
/* we didn't find the search handle */
|
|
return NT_STATUS_INVALID_HANDLE;
|
|
}
|
|
|
|
search = talloc_get_type(p, struct pvfs_search_state);
|
|
|
|
talloc_free(search);
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|