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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include "includes.h"
23 #include "libcli/libcli.h"
24 #include "libcli/raw/libcliraw.h"
25
26 struct 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 ****************************************************************************/
interpret_long_filename(enum smb_search_data_level level,union smb_search_data * info,struct clilist_file_info * finfo)41 static BOOL interpret_long_filename(enum smb_search_data_level level,
42 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 */
smbcli_list_new_callback(void * private,union smb_search_data * file)76 static BOOL smbcli_list_new_callback(void *private, union smb_search_data *file)
77 {
78 struct search_private *state = (struct search_private*) private;
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
smbcli_list_new(struct smbcli_tree * tree,const char * Mask,uint16_t attribute,enum smb_search_data_level level,void (* fn)(struct clilist_file_info *,const char *,void *),void * caller_state)101 int 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_new(state.mem_ctx);
123 mask = talloc_strdup(state.mem_ctx, Mask);
124
125 if (level == RAW_SEARCH_DATA_GENERIC) {
126 if (tree->session->transport->negotiate.capabilities & CAP_NT_SMBS) {
127 level = RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO;
128 } else {
129 level = RAW_SEARCH_DATA_STANDARD;
130 }
131 }
132 state.data_level = level;
133
134 while (1) {
135 state.ff_searchcount = 0;
136 if (first) {
137 NTSTATUS status;
138
139 first_parms.t2ffirst.level = RAW_SEARCH_TRANS2;
140 first_parms.t2ffirst.data_level = state.data_level;
141 first_parms.t2ffirst.in.max_count = max_matches;
142 first_parms.t2ffirst.in.search_attrib = attribute;
143 first_parms.t2ffirst.in.pattern = mask;
144 first_parms.t2ffirst.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
145 first_parms.t2ffirst.in.storage_type = 0;
146
147 status = smb_raw_search_first(tree,
148 state.mem_ctx, &first_parms,
149 (void*)&state, smbcli_list_new_callback);
150 if (!NT_STATUS_IS_OK(status)) {
151 talloc_free(state.mem_ctx);
152 return -1;
153 }
154
155 ff_dir_handle = first_parms.t2ffirst.out.handle;
156 ff_searchcount = first_parms.t2ffirst.out.count;
157 ff_eos = first_parms.t2ffirst.out.end_of_search;
158
159 received = first_parms.t2ffirst.out.count;
160 if (received <= 0) break;
161 if (ff_eos) break;
162 first = False;
163 } else {
164 NTSTATUS status;
165
166 next_parms.t2fnext.level = RAW_SEARCH_TRANS2;
167 next_parms.t2fnext.data_level = state.data_level;
168 next_parms.t2fnext.in.max_count = max_matches;
169 next_parms.t2fnext.in.last_name = state.last_name;
170 next_parms.t2fnext.in.handle = ff_dir_handle;
171 next_parms.t2fnext.in.resume_key = 0;
172 next_parms.t2fnext.in.flags = FLAG_TRANS2_FIND_CLOSE_IF_END;
173
174 status = smb_raw_search_next(tree,
175 state.mem_ctx,
176 &next_parms,
177 (void*)&state,
178 smbcli_list_new_callback);
179
180 if (!NT_STATUS_IS_OK(status)) {
181 return -1;
182 }
183 ff_searchcount = next_parms.t2fnext.out.count;
184 ff_eos = next_parms.t2fnext.out.end_of_search;
185 received = next_parms.t2fnext.out.count;
186 if (received <= 0) break;
187 if (ff_eos) break;
188 }
189
190 num_received += received;
191 }
192
193 for (i=0;i<state.total_received;i++) {
194 fn(&state.dirlist[i], Mask, caller_state);
195 }
196
197 talloc_free(state.mem_ctx);
198
199 return state.total_received;
200 }
201
202 /****************************************************************************
203 Interpret a short filename structure.
204 The length of the structure is returned.
205 ****************************************************************************/
interpret_short_filename(enum smb_search_data_level level,union smb_search_data * info,struct clilist_file_info * finfo)206 static BOOL interpret_short_filename(enum smb_search_data_level level,
207 union smb_search_data *info,
208 struct clilist_file_info *finfo)
209 {
210 struct clilist_file_info finfo2;
211
212 if (!finfo) finfo = &finfo2;
213 ZERO_STRUCTP(finfo);
214
215 switch (level) {
216 case RAW_SEARCH_DATA_SEARCH:
217 finfo->mtime = info->search.write_time;
218 finfo->size = info->search.size;
219 finfo->attrib = info->search.attrib;
220 finfo->name = info->search.name;
221 finfo->short_name = info->search.name;
222 break;
223
224 default:
225 DEBUG(0,("Unhandled level %d in interpret_short_filename\n", (int)level));
226 return False;
227 }
228
229 return True;
230 }
231
232 /* callback function used for smb_search */
smbcli_list_old_callback(void * private,union smb_search_data * file)233 static BOOL smbcli_list_old_callback(void *private, union smb_search_data *file)
234 {
235 struct search_private *state = (struct search_private*) private;
236 struct clilist_file_info *tdl;
237
238 /* add file info to the dirlist pool */
239 tdl = talloc_realloc(state,
240 state->dirlist,
241 struct clilist_file_info,
242 state->dirlist_len + 1);
243
244 if (!tdl) {
245 return False;
246 }
247 state->dirlist = tdl;
248 state->dirlist_len++;
249
250 interpret_short_filename(state->data_level, file, &state->dirlist[state->total_received]);
251
252 state->total_received++;
253 state->ff_searchcount++;
254 state->id = file->search.id; /* return resume info */
255
256 return True;
257 }
258
smbcli_list_old(struct smbcli_tree * tree,const char * Mask,uint16_t attribute,void (* fn)(struct clilist_file_info *,const char *,void *),void * caller_state)259 int smbcli_list_old(struct smbcli_tree *tree, const char *Mask, uint16_t attribute,
260 void (*fn)(struct clilist_file_info *, const char *, void *),
261 void *caller_state)
262 {
263 union smb_search_first first_parms;
264 union smb_search_next next_parms;
265 struct search_private state; /* for callbacks */
266 const int num_asked = 500;
267 int received = 0;
268 BOOL first = True;
269 int num_received = 0;
270 char *mask;
271 int i;
272
273 /* initialize state for search */
274 state.mem_ctx = talloc_init("smbcli_list_old");
275 state.dirlist_len = 0;
276 state.total_received = 0;
277 state.data_level = RAW_SEARCH_DATA_SEARCH;
278
279 state.dirlist = talloc_new(state.mem_ctx);
280 mask = talloc_strdup(state.mem_ctx, Mask);
281
282 while (1) {
283 state.ff_searchcount = 0;
284 if (first) {
285 NTSTATUS status;
286
287 first_parms.search_first.level = RAW_SEARCH_SEARCH;
288 first_parms.search_first.data_level = RAW_SEARCH_DATA_SEARCH;
289 first_parms.search_first.in.max_count = num_asked;
290 first_parms.search_first.in.search_attrib = attribute;
291 first_parms.search_first.in.pattern = mask;
292
293 status = smb_raw_search_first(tree, state.mem_ctx,
294 &first_parms,
295 (void*)&state,
296 smbcli_list_old_callback);
297
298 if (!NT_STATUS_IS_OK(status)) {
299 talloc_free(state.mem_ctx);
300 return -1;
301 }
302
303 received = first_parms.search_first.out.count;
304 if (received <= 0) break;
305 first = False;
306 } else {
307 NTSTATUS status;
308
309 next_parms.search_next.level = RAW_SEARCH_SEARCH;
310 next_parms.search_next.data_level = RAW_SEARCH_DATA_SEARCH;
311 next_parms.search_next.in.max_count = num_asked;
312 next_parms.search_next.in.search_attrib = attribute;
313 next_parms.search_next.in.id = state.id;
314
315 status = smb_raw_search_next(tree, state.mem_ctx,
316 &next_parms,
317 (void*)&state,
318 smbcli_list_old_callback);
319
320 if (NT_STATUS_EQUAL(status, STATUS_NO_MORE_FILES)) {
321 break;
322 }
323 if (!NT_STATUS_IS_OK(status)) {
324 talloc_free(state.mem_ctx);
325 return -1;
326 }
327 received = next_parms.search_next.out.count;
328 if (received <= 0) break;
329 }
330
331 num_received += received;
332 }
333
334 for (i=0;i<state.total_received;i++) {
335 fn(&state.dirlist[i], Mask, caller_state);
336 }
337
338 talloc_free(state.mem_ctx);
339
340 return state.total_received;
341 }
342
343 /****************************************************************************
344 Do a directory listing, calling fn on each file found.
345 This auto-switches between old and new style.
346 ****************************************************************************/
347
smbcli_list(struct smbcli_tree * tree,const char * Mask,uint16_t attribute,void (* fn)(struct clilist_file_info *,const char *,void *),void * state)348 int smbcli_list(struct smbcli_tree *tree, const char *Mask,uint16_t attribute,
349 void (*fn)(struct clilist_file_info *, const char *, void *), void *state)
350 {
351 if (tree->session->transport->negotiate.protocol <= PROTOCOL_LANMAN1)
352 return smbcli_list_old(tree, Mask, attribute, fn, state);
353 return smbcli_list_new(tree, Mask, attribute, RAW_SEARCH_DATA_GENERIC, fn, state);
354 }
355