Add header files for secace and secacl.
[amitay/samba.git] / source4 / libcli / clilist.c
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
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 ****************************************************************************/
41 static 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 */
76 static 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
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_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 ****************************************************************************/
207 static 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 */
234 static 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
260 int 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
350 int 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 }