source: branches/samba-3.5.x/source4/libcli/clilist.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 10.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 client directory list routines
4 Copyright (C) Andrew Tridgell 1994-2003
5 Copyright (C) James Myers 2003 <myersjj@samba.org>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22#include "libcli/libcli.h"
23#include "libcli/raw/libcliraw.h"
24#include "libcli/raw/raw_proto.h"
25
26struct search_private {
27 struct clilist_file_info *dirlist;
28 TALLOC_CTX *mem_ctx;
29 int dirlist_len;
30 int ff_searchcount; /* total received in 1 server trip */
31 int total_received; /* total received all together */
32 enum smb_search_data_level data_level;
33 const char *last_name; /* used to continue trans2 search */
34 struct smb_search_id id; /* used for old-style search */
35};
36
37
38/****************************************************************************
39 Interpret a long filename structure.
40****************************************************************************/
41static bool interpret_long_filename(enum smb_search_data_level level,
42 const union smb_search_data *info,
43 struct clilist_file_info *finfo)
44{
45 struct clilist_file_info finfo2;
46
47 if (!finfo) finfo = &finfo2;
48 ZERO_STRUCTP(finfo);
49
50 switch (level) {
51 case RAW_SEARCH_DATA_STANDARD:
52 finfo->size = info->standard.size;
53 finfo->mtime = info->standard.write_time;
54 finfo->attrib = info->standard.attrib;
55 finfo->name = info->standard.name.s;
56 finfo->short_name = info->standard.name.s;
57 break;
58
59 case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
60 finfo->size = info->both_directory_info.size;
61 finfo->mtime = nt_time_to_unix(info->both_directory_info.write_time);
62 finfo->attrib = info->both_directory_info.attrib;
63 finfo->short_name = info->both_directory_info.short_name.s;
64 finfo->name = info->both_directory_info.name.s;
65 break;
66
67 default:
68 DEBUG(0,("Unhandled level %d in interpret_long_filename\n", (int)level));
69 return false;
70 }
71
72 return true;
73}
74
75/* callback function used for trans2 search */
76static bool smbcli_list_new_callback(void *private_data, const union smb_search_data *file)
77{
78 struct search_private *state = (struct search_private*) private_data;
79 struct clilist_file_info *tdl;
80
81 /* add file info to the dirlist pool */
82 tdl = talloc_realloc(state,
83 state->dirlist,
84 struct clilist_file_info,
85 state->dirlist_len + 1);
86 if (!tdl) {
87 return false;
88 }
89 state->dirlist = tdl;
90 state->dirlist_len++;
91
92 interpret_long_filename(state->data_level, file, &state->dirlist[state->total_received]);
93
94 state->last_name = state->dirlist[state->total_received].name;
95 state->total_received++;
96 state->ff_searchcount++;
97
98 return true;
99}
100
101int smbcli_list_new(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
102 enum smb_search_data_level level,
103 void (*fn)(struct clilist_file_info *, const char *, void *),
104 void *caller_state)
105{
106 union smb_search_first first_parms;
107 union smb_search_next next_parms;
108 struct search_private state; /* for callbacks */
109 int received = 0;
110 bool first = true;
111 int num_received = 0;
112 int max_matches = 512;
113 char *mask;
114 int ff_eos = 0, i, ff_searchcount;
115 int ff_dir_handle=0;
116
117 /* initialize state for search */
118 state.mem_ctx = talloc_init("smbcli_list_new");
119 state.dirlist_len = 0;
120 state.total_received = 0;
121
122 state.dirlist = talloc_array(state.mem_ctx,
123 struct clilist_file_info, 0);
124 mask = talloc_strdup(state.mem_ctx, Mask);
125
126 if (level == RAW_SEARCH_DATA_GENERIC) {
127 if (tree->session->transport->negotiate.capabilities & CAP_NT_SMBS) {
128 level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
129 } else {
130 level = RAW_SEARCH_DATA_STANDARD;
131 }
132 }
133 state.data_level = level;
134
135 while (1) {
136 state.ff_searchcount = 0;
137 if (first) {
138 NTSTATUS status;
139
140 first_parms.t2ffirst.level = RAW_SEARCH_TRANS2;
141 first_parms.t2ffirst.data_level = state.data_level;
142 first_parms.t2ffirst.in.max_count = max_matches;
143 first_parms.t2ffirst.in.search_attrib = attribute;
144 first_parms.t2ffirst.in.pattern = mask;
145 first_parms.t2ffirst.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
146 first_parms.t2ffirst.in.storage_type = 0;
147
148 status = smb_raw_search_first(tree,
149 state.mem_ctx, &first_parms,
150 (void*)&state, smbcli_list_new_callback);
151 if (!NT_STATUS_IS_OK(status)) {
152 talloc_free(state.mem_ctx);
153 return -1;
154 }
155
156 ff_dir_handle = first_parms.t2ffirst.out.handle;
157 ff_searchcount = first_parms.t2ffirst.out.count;
158 ff_eos = first_parms.t2ffirst.out.end_of_search;
159
160 received = first_parms.t2ffirst.out.count;
161 if (received <= 0) break;
162 if (ff_eos) break;
163 first = false;
164 } else {
165 NTSTATUS status;
166
167 next_parms.t2fnext.level = RAW_SEARCH_TRANS2;
168 next_parms.t2fnext.data_level = state.data_level;
169 next_parms.t2fnext.in.max_count = max_matches;
170 next_parms.t2fnext.in.last_name = state.last_name;
171 next_parms.t2fnext.in.handle = ff_dir_handle;
172 next_parms.t2fnext.in.resume_key = 0;
173 next_parms.t2fnext.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
174
175 status = smb_raw_search_next(tree,
176 state.mem_ctx,
177 &next_parms,
178 (void*)&state,
179 smbcli_list_new_callback);
180
181 if (!NT_STATUS_IS_OK(status)) {
182 return -1;
183 }
184 ff_searchcount = next_parms.t2fnext.out.count;
185 ff_eos = next_parms.t2fnext.out.end_of_search;
186 received = next_parms.t2fnext.out.count;
187 if (received <= 0) break;
188 if (ff_eos) break;
189 }
190
191 num_received += received;
192 }
193
194 for (i=0;i<state.total_received;i++) {
195 fn(&state.dirlist[i], Mask, caller_state);
196 }
197
198 talloc_free(state.mem_ctx);
199
200 return state.total_received;
201}
202
203/****************************************************************************
204 Interpret a short filename structure.
205 The length of the structure is returned.
206****************************************************************************/
207static bool interpret_short_filename(enum smb_search_data_level level,
208 const union smb_search_data *info,
209 struct clilist_file_info *finfo)
210{
211 struct clilist_file_info finfo2;
212
213 if (!finfo) finfo = &finfo2;
214 ZERO_STRUCTP(finfo);
215
216 switch (level) {
217 case RAW_SEARCH_DATA_SEARCH:
218 finfo->mtime = info->search.write_time;
219 finfo->size = info->search.size;
220 finfo->attrib = info->search.attrib;
221 finfo->name = info->search.name;
222 finfo->short_name = info->search.name;
223 break;
224
225 default:
226 DEBUG(0,("Unhandled level %d in interpret_short_filename\n", (int)level));
227 return false;
228 }
229
230 return true;
231}
232
233/* callback function used for smb_search */
234static bool smbcli_list_old_callback(void *private_data, const union smb_search_data *file)
235{
236 struct search_private *state = (struct search_private*) private_data;
237 struct clilist_file_info *tdl;
238
239 /* add file info to the dirlist pool */
240 tdl = talloc_realloc(state,
241 state->dirlist,
242 struct clilist_file_info,
243 state->dirlist_len + 1);
244
245 if (!tdl) {
246 return false;
247 }
248 state->dirlist = tdl;
249 state->dirlist_len++;
250
251 interpret_short_filename(state->data_level, file, &state->dirlist[state->total_received]);
252
253 state->total_received++;
254 state->ff_searchcount++;
255 state->id = file->search.id; /* return resume info */
256
257 return true;
258}
259
260int smbcli_list_old(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
261 void (*fn)(struct clilist_file_info *, const char *, void *),
262 void *caller_state)
263{
264 union smb_search_first first_parms;
265 union smb_search_next next_parms;
266 struct search_private state; /* for callbacks */
267 const int num_asked = 500;
268 int received = 0;
269 bool first = true;
270 int num_received = 0;
271 char *mask;
272 int i;
273
274 /* initialize state for search */
275 state.mem_ctx = talloc_init("smbcli_list_old");
276 state.dirlist_len = 0;
277 state.total_received = 0;
278 state.data_level = RAW_SEARCH_DATA_SEARCH;
279
280 state.dirlist = talloc_array(state.mem_ctx, struct clilist_file_info,
281 0);
282 mask = talloc_strdup(state.mem_ctx, Mask);
283
284 while (1) {
285 state.ff_searchcount = 0;
286 if (first) {
287 NTSTATUS status;
288
289 first_parms.search_first.level = RAW_SEARCH_SEARCH;
290 first_parms.search_first.data_level = RAW_SEARCH_DATA_SEARCH;
291 first_parms.search_first.in.max_count = num_asked;
292 first_parms.search_first.in.search_attrib = attribute;
293 first_parms.search_first.in.pattern = mask;
294
295 status = smb_raw_search_first(tree, state.mem_ctx,
296 &first_parms,
297 (void*)&state,
298 smbcli_list_old_callback);
299
300 if (!NT_STATUS_IS_OK(status)) {
301 talloc_free(state.mem_ctx);
302 return -1;
303 }
304
305 received = first_parms.search_first.out.count;
306 if (received <= 0) break;
307 first = false;
308 } else {
309 NTSTATUS status;
310
311 next_parms.search_next.level = RAW_SEARCH_SEARCH;
312 next_parms.search_next.data_level = RAW_SEARCH_DATA_SEARCH;
313 next_parms.search_next.in.max_count = num_asked;
314 next_parms.search_next.in.search_attrib = attribute;
315 next_parms.search_next.in.id = state.id;
316
317 status = smb_raw_search_next(tree, state.mem_ctx,
318 &next_parms,
319 (void*)&state,
320 smbcli_list_old_callback);
321
322 if (NT_STATUS_EQUAL(status, STATUS_NO_MORE_FILES)) {
323 break;
324 }
325 if (!NT_STATUS_IS_OK(status)) {
326 talloc_free(state.mem_ctx);
327 return -1;
328 }
329 received = next_parms.search_next.out.count;
330 if (received <= 0) break;
331 }
332
333 num_received += received;
334 }
335
336 for (i=0;i<state.total_received;i++) {
337 fn(&state.dirlist[i], Mask, caller_state);
338 }
339
340 talloc_free(state.mem_ctx);
341
342 return state.total_received;
343}
344
345/****************************************************************************
346 Do a directory listing, calling fn on each file found.
347 This auto-switches between old and new style.
348****************************************************************************/
349
350int smbcli_list(struct smbcli_tree *tree, const char *Mask,uint16_t attribute,
351 void (*fn)(struct clilist_file_info *, const char *, void *), void *state)
352{
353 if (tree->session->transport->negotiate.protocol <= PROTOCOL_LANMAN1)
354 return smbcli_list_old(tree, Mask, attribute, fn, state);
355 return smbcli_list_new(tree, Mask, attribute, RAW_SEARCH_DATA_GENERIC, fn, state);
356}
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