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8d37900828
metze
357 lines
10 KiB
C
357 lines
10 KiB
C
/*
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Unix SMB/CIFS implementation.
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client directory list routines
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Copyright (C) Andrew Tridgell 1994-2003
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Copyright (C) James Myers 2003 <myersjj@samba.org>
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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 "libcli/libcli.h"
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#include "libcli/raw/libcliraw.h"
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#include "libcli/raw/raw_proto.h"
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struct search_private {
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struct clilist_file_info *dirlist;
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TALLOC_CTX *mem_ctx;
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int dirlist_len;
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int ff_searchcount; /* total received in 1 server trip */
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int total_received; /* total received all together */
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enum smb_search_data_level data_level;
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const char *last_name; /* used to continue trans2 search */
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struct smb_search_id id; /* used for old-style search */
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};
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/****************************************************************************
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Interpret a long filename structure.
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****************************************************************************/
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static bool interpret_long_filename(enum smb_search_data_level level,
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const union smb_search_data *info,
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struct clilist_file_info *finfo)
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{
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struct clilist_file_info finfo2;
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if (!finfo) finfo = &finfo2;
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ZERO_STRUCTP(finfo);
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switch (level) {
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case RAW_SEARCH_DATA_STANDARD:
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finfo->size = info->standard.size;
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finfo->mtime = info->standard.write_time;
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finfo->attrib = info->standard.attrib;
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finfo->name = info->standard.name.s;
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finfo->short_name = info->standard.name.s;
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break;
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case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
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finfo->size = info->both_directory_info.size;
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finfo->mtime = nt_time_to_unix(info->both_directory_info.write_time);
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finfo->attrib = info->both_directory_info.attrib;
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finfo->short_name = info->both_directory_info.short_name.s;
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finfo->name = info->both_directory_info.name.s;
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break;
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default:
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DEBUG(0,("Unhandled level %d in interpret_long_filename\n", (int)level));
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return false;
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}
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return true;
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}
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/* callback function used for trans2 search */
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static bool smbcli_list_new_callback(void *private_data, const union smb_search_data *file)
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{
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struct search_private *state = (struct search_private*) private_data;
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struct clilist_file_info *tdl;
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/* add file info to the dirlist pool */
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tdl = talloc_realloc(state,
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state->dirlist,
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struct clilist_file_info,
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state->dirlist_len + 1);
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if (!tdl) {
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return false;
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}
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state->dirlist = tdl;
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state->dirlist_len++;
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interpret_long_filename(state->data_level, file, &state->dirlist[state->total_received]);
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state->last_name = state->dirlist[state->total_received].name;
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state->total_received++;
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state->ff_searchcount++;
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return true;
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}
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int smbcli_list_new(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
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enum smb_search_data_level level,
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void (*fn)(struct clilist_file_info *, const char *, void *),
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void *caller_state)
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{
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union smb_search_first first_parms;
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union smb_search_next next_parms;
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struct search_private state; /* for callbacks */
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int received = 0;
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bool first = true;
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int num_received = 0;
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int max_matches = 512;
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char *mask;
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int ff_eos = 0, i, ff_searchcount;
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int ff_dir_handle=0;
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/* initialize state for search */
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state.mem_ctx = talloc_init("smbcli_list_new");
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state.dirlist_len = 0;
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state.total_received = 0;
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state.dirlist = talloc_array(state.mem_ctx,
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struct clilist_file_info, 0);
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mask = talloc_strdup(state.mem_ctx, Mask);
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if (level == RAW_SEARCH_DATA_GENERIC) {
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if (tree->session->transport->negotiate.capabilities & CAP_NT_SMBS) {
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level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
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} else {
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level = RAW_SEARCH_DATA_STANDARD;
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}
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}
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state.data_level = level;
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while (1) {
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state.ff_searchcount = 0;
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if (first) {
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NTSTATUS status;
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first_parms.t2ffirst.level = RAW_SEARCH_TRANS2;
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first_parms.t2ffirst.data_level = state.data_level;
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first_parms.t2ffirst.in.max_count = max_matches;
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first_parms.t2ffirst.in.search_attrib = attribute;
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first_parms.t2ffirst.in.pattern = mask;
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first_parms.t2ffirst.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
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first_parms.t2ffirst.in.storage_type = 0;
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status = smb_raw_search_first(tree,
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state.mem_ctx, &first_parms,
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(void*)&state, smbcli_list_new_callback);
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if (!NT_STATUS_IS_OK(status)) {
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talloc_free(state.mem_ctx);
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return -1;
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}
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ff_dir_handle = first_parms.t2ffirst.out.handle;
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ff_searchcount = first_parms.t2ffirst.out.count;
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ff_eos = first_parms.t2ffirst.out.end_of_search;
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received = first_parms.t2ffirst.out.count;
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if (received <= 0) break;
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if (ff_eos) break;
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first = false;
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} else {
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NTSTATUS status;
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next_parms.t2fnext.level = RAW_SEARCH_TRANS2;
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next_parms.t2fnext.data_level = state.data_level;
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next_parms.t2fnext.in.max_count = max_matches;
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next_parms.t2fnext.in.last_name = state.last_name;
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next_parms.t2fnext.in.handle = ff_dir_handle;
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next_parms.t2fnext.in.resume_key = 0;
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next_parms.t2fnext.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
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status = smb_raw_search_next(tree,
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state.mem_ctx,
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&next_parms,
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(void*)&state,
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smbcli_list_new_callback);
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if (!NT_STATUS_IS_OK(status)) {
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return -1;
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}
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ff_searchcount = next_parms.t2fnext.out.count;
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ff_eos = next_parms.t2fnext.out.end_of_search;
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received = next_parms.t2fnext.out.count;
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if (received <= 0) break;
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if (ff_eos) break;
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}
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num_received += received;
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}
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for (i=0;i<state.total_received;i++) {
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fn(&state.dirlist[i], Mask, caller_state);
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}
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talloc_free(state.mem_ctx);
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return state.total_received;
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}
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/****************************************************************************
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Interpret a short filename structure.
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The length of the structure is returned.
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****************************************************************************/
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static bool interpret_short_filename(enum smb_search_data_level level,
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const union smb_search_data *info,
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struct clilist_file_info *finfo)
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{
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struct clilist_file_info finfo2;
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if (!finfo) finfo = &finfo2;
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ZERO_STRUCTP(finfo);
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switch (level) {
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case RAW_SEARCH_DATA_SEARCH:
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finfo->mtime = info->search.write_time;
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finfo->size = info->search.size;
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finfo->attrib = info->search.attrib;
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finfo->name = info->search.name;
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finfo->short_name = info->search.name;
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break;
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default:
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DEBUG(0,("Unhandled level %d in interpret_short_filename\n", (int)level));
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return false;
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}
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return true;
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}
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/* callback function used for smb_search */
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static bool smbcli_list_old_callback(void *private_data, const union smb_search_data *file)
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{
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struct search_private *state = (struct search_private*) private_data;
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struct clilist_file_info *tdl;
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/* add file info to the dirlist pool */
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tdl = talloc_realloc(state,
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state->dirlist,
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struct clilist_file_info,
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state->dirlist_len + 1);
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if (!tdl) {
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return false;
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}
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state->dirlist = tdl;
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state->dirlist_len++;
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interpret_short_filename(state->data_level, file, &state->dirlist[state->total_received]);
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state->total_received++;
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state->ff_searchcount++;
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state->id = file->search.id; /* return resume info */
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return true;
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}
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int smbcli_list_old(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
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void (*fn)(struct clilist_file_info *, const char *, void *),
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void *caller_state)
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{
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union smb_search_first first_parms;
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union smb_search_next next_parms;
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struct search_private state; /* for callbacks */
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const int num_asked = 500;
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int received = 0;
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bool first = true;
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int num_received = 0;
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char *mask;
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int i;
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/* initialize state for search */
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state.mem_ctx = talloc_init("smbcli_list_old");
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state.dirlist_len = 0;
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state.total_received = 0;
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state.data_level = RAW_SEARCH_DATA_SEARCH;
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state.dirlist = talloc_array(state.mem_ctx, struct clilist_file_info,
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0);
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mask = talloc_strdup(state.mem_ctx, Mask);
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while (1) {
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state.ff_searchcount = 0;
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if (first) {
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NTSTATUS status;
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first_parms.search_first.level = RAW_SEARCH_SEARCH;
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first_parms.search_first.data_level = RAW_SEARCH_DATA_SEARCH;
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first_parms.search_first.in.max_count = num_asked;
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first_parms.search_first.in.search_attrib = attribute;
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first_parms.search_first.in.pattern = mask;
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status = smb_raw_search_first(tree, state.mem_ctx,
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&first_parms,
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(void*)&state,
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smbcli_list_old_callback);
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if (!NT_STATUS_IS_OK(status)) {
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talloc_free(state.mem_ctx);
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return -1;
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}
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received = first_parms.search_first.out.count;
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if (received <= 0) break;
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first = false;
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} else {
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NTSTATUS status;
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next_parms.search_next.level = RAW_SEARCH_SEARCH;
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next_parms.search_next.data_level = RAW_SEARCH_DATA_SEARCH;
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next_parms.search_next.in.max_count = num_asked;
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next_parms.search_next.in.search_attrib = attribute;
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next_parms.search_next.in.id = state.id;
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status = smb_raw_search_next(tree, state.mem_ctx,
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&next_parms,
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(void*)&state,
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smbcli_list_old_callback);
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if (NT_STATUS_EQUAL(status, STATUS_NO_MORE_FILES)) {
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break;
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}
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if (!NT_STATUS_IS_OK(status)) {
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talloc_free(state.mem_ctx);
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return -1;
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}
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received = next_parms.search_next.out.count;
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if (received <= 0) break;
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}
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num_received += received;
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}
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for (i=0;i<state.total_received;i++) {
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fn(&state.dirlist[i], Mask, caller_state);
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}
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talloc_free(state.mem_ctx);
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return state.total_received;
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}
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/****************************************************************************
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Do a directory listing, calling fn on each file found.
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This auto-switches between old and new style.
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****************************************************************************/
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int smbcli_list(struct smbcli_tree *tree, const char *Mask,uint16_t attribute,
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void (*fn)(struct clilist_file_info *, const char *, void *), void *state)
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{
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if (tree->session->transport->negotiate.protocol <= PROTOCOL_LANMAN1)
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return smbcli_list_old(tree, Mask, attribute, fn, state);
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return smbcli_list_new(tree, Mask, attribute, RAW_SEARCH_DATA_GENERIC, fn, state);
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}
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