2 Unix SMB/Netbios implementation.
4 SMB wrapper directory functions
5 Copyright (C) Andrew Tridgell 1998
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.
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.
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.
23 #include "realcalls.h"
25 extern pstring smbw_cwd;
26 extern fstring smbw_prefix;
28 static struct smbw_dir *smbw_dirs;
30 extern struct bitmap *smbw_file_bmap;
31 extern int DEBUGLEVEL;
35 /*****************************************************
36 map a fd to a smbw_dir structure
37 *******************************************************/
38 struct smbw_dir *smbw_dir(int fd)
42 for (dir=smbw_dirs;dir;dir=dir->next) {
43 if (dir->fd == fd) return dir;
48 /*****************************************************
49 check if a DIR* is one of ours
50 *******************************************************/
51 int smbw_dirp(DIR *dirp)
53 struct smbw_dir *d = (struct smbw_dir *)dirp;
56 for (dir=smbw_dirs;dir;dir=dir->next) {
57 if (dir == d) return 1;
62 /*****************************************************
63 free a smbw_dir structure and all entries
64 *******************************************************/
65 static void free_dir(struct smbw_dir *dir)
70 if (dir->path) free(dir->path);
76 static struct smbw_dir *cur_dir;
78 /*****************************************************
79 add a entry to a directory listing
80 *******************************************************/
81 static void smbw_dir_add(struct file_info *finfo)
83 DEBUG(5,("%s\n", finfo->name));
85 if (cur_dir->malloced == cur_dir->count) {
86 cur_dir->list = (struct file_info *)Realloc(cur_dir->list,
87 sizeof(cur_dir->list[0])*
88 (cur_dir->count+100));
93 cur_dir->malloced += 100;
96 cur_dir->list[cur_dir->count] = *finfo;
100 /*****************************************************
101 add a entry to a directory listing
102 *******************************************************/
103 static void smbw_share_add(const char *share, uint32 type, const char *comment)
105 struct file_info finfo;
107 if (strcmp(share,"IPC$") == 0) return;
111 pstrcpy(finfo.name, share);
112 finfo.mode = aRONLY | aDIR;
114 smbw_dir_add(&finfo);
118 /*****************************************************
119 add a server to a directory listing
120 *******************************************************/
121 static void smbw_server_add(const char *name, uint32 type,
124 struct file_info finfo;
128 pstrcpy(finfo.name, name);
129 finfo.mode = aRONLY | aDIR;
131 smbw_dir_add(&finfo);
135 /*****************************************************
136 add a entry to a directory listing
137 *******************************************************/
138 static void smbw_printjob_add(struct print_job_info *job)
140 struct file_info finfo;
144 pstrcpy(finfo.name, job->name);
145 finfo.mode = aRONLY | aDIR;
146 finfo.mtime = job->t;
147 finfo.atime = job->t;
148 finfo.ctime = job->t;
149 finfo.uid = nametouid(job->user);
151 finfo.size = job->size;
153 smbw_dir_add(&finfo);
157 /*****************************************************
158 open a directory on the server
159 *******************************************************/
160 int smbw_dir_open(const char *fname)
162 fstring server, share;
164 struct smbw_server *srv=NULL;
165 struct smbw_dir *dir=NULL;
177 /* work out what server they are after */
178 s = smbw_parse_path(fname, server, share, path);
180 DEBUG(4,("dir_open share=%s\n", share));
182 /* get a connection to the server */
183 srv = smbw_server(server, share);
185 /* smbw_server sets errno */
189 dir = (struct smbw_dir *)malloc(sizeof(*dir));
199 slprintf(mask, sizeof(mask)-1, "%s\\*", path);
200 string_sub(mask,"\\\\","\\");
202 if ((p=strstr(srv->server_name,"#1D"))) {
203 DEBUG(4,("doing NetServerEnum\n"));
205 cli_NetServerEnum(&srv->cli, srv->server_name, SV_TYPE_ALL,
208 } else if (strcmp(srv->cli.dev,"IPC") == 0) {
209 DEBUG(4,("doing NetShareEnum\n"));
210 if (cli_RNetShareEnum(&srv->cli, smbw_share_add) < 0) {
211 errno = smbw_errno(&srv->cli);
214 } else if (strncmp(srv->cli.dev,"LPT",3) == 0) {
215 if (cli_print_queue(&srv->cli, smbw_printjob_add) < 0) {
216 errno = smbw_errno(&srv->cli);
220 if (cli_list(&srv->cli, mask, aHIDDEN|aSYSTEM|aDIR,
222 errno = smbw_errno(&srv->cli);
229 fd = open(SMBW_DUMMY, O_WRONLY);
235 if (bitmap_query(smbw_file_bmap, fd)) {
236 DEBUG(0,("ERROR: fd used in smbw_dir_open\n"));
241 DLIST_ADD(smbw_dirs, dir);
243 bitmap_set(smbw_file_bmap, fd);
247 dir->path = strdup(s);
249 DEBUG(4,(" -> %d\n", dir->count));
261 /*****************************************************
262 a wrapper for fstat() on a directory
263 *******************************************************/
264 int smbw_dir_fstat(int fd, struct stat *st)
266 struct smbw_dir *dir;
276 smbw_setup_stat(st, "", dir->count*DIRP_SIZE, aDIR);
278 st->st_dev = dir->srv->dev;
283 /*****************************************************
284 close a directory handle
285 *******************************************************/
286 int smbw_dir_close(int fd)
288 struct smbw_dir *dir;
296 bitmap_clear(smbw_file_bmap, dir->fd);
299 DLIST_REMOVE(smbw_dirs, dir);
306 /*****************************************************
307 a wrapper for getdents()
308 *******************************************************/
309 int smbw_getdents(unsigned int fd, struct dirent *dirp, int count)
311 struct smbw_dir *dir;
323 while (count>=DIRP_SIZE && (dir->offset < dir->count)) {
324 #if HAVE_DIRENT_D_OFF
325 dirp->d_off = (dir->offset+1)*DIRP_SIZE;
327 dirp->d_reclen = DIRP_SIZE;
328 fstrcpy(&dirp->d_name[0], dir->list[dir->offset].name);
329 dirp->d_ino = smbw_inode(dir->list[dir->offset].name);
331 count -= dirp->d_reclen;
332 #if HAVE_DIRENT_D_OFF
333 if (dir->offset == dir->count) {
337 dirp = (struct dirent *)(((char *)dirp) + DIRP_SIZE);
346 /*****************************************************
347 a wrapper for chdir()
348 *******************************************************/
349 int smbw_chdir(const char *name)
351 struct smbw_server *srv;
352 fstring server, share;
360 len = strlen(smbw_prefix);
362 if (smbw_busy) return real_chdir(name);
371 DEBUG(4,("smbw_chdir(%s)\n", name));
373 /* work out what server they are after */
374 cwd = smbw_parse_path(name, server, share, path);
376 /* a special case - accept cd to /smb */
377 if (strncmp(cwd, smbw_prefix, len-1) == 0 &&
382 if (strncmp(cwd,smbw_prefix,strlen(smbw_prefix))) {
383 if (real_chdir(cwd) == 0) {
389 /* get a connection to the server */
390 srv = smbw_server(server, share);
392 /* smbw_server sets errno */
396 if (strncmp(srv->cli.dev,"IPC",3) &&
397 strncmp(srv->cli.dev,"LPT",3) &&
398 !smbw_getatr(srv, path,
399 &mode, NULL, NULL, NULL, NULL)) {
400 errno = smbw_errno(&srv->cli);
404 if (!(mode & aDIR)) {
410 /* we don't want the old directory to be busy */
415 DEBUG(4,("set SMBW_CWD to %s\n", cwd));
417 pstrcpy(smbw_cwd, cwd);
418 if (setenv(SMBW_PWD_ENV, smbw_cwd, 1)) {
419 DEBUG(4,("setenv failed\n"));
431 /*****************************************************
432 a wrapper for lseek() on directories
433 *******************************************************/
434 off_t smbw_dir_lseek(int fd, off_t offset, int whence)
436 struct smbw_dir *dir;
447 dir->offset = offset/DIRP_SIZE;
450 dir->offset += offset/DIRP_SIZE;
453 dir->offset = (dir->count * DIRP_SIZE) + offset;
454 dir->offset /= DIRP_SIZE;
458 ret = dir->offset * DIRP_SIZE;
460 DEBUG(4,(" -> %d\n", (int)ret));
466 /*****************************************************
467 a wrapper for mkdir()
468 *******************************************************/
469 int smbw_mkdir(const char *fname, mode_t mode)
471 struct smbw_server *srv;
472 fstring server, share;
484 /* work out what server they are after */
485 smbw_parse_path(fname, server, share, path);
487 /* get a connection to the server */
488 srv = smbw_server(server, share);
490 /* smbw_server sets errno */
494 if (!cli_mkdir(&srv->cli, path)) {
495 errno = smbw_errno(&srv->cli);
507 /*****************************************************
508 a wrapper for rmdir()
509 *******************************************************/
510 int smbw_rmdir(const char *fname)
512 struct smbw_server *srv;
513 fstring server, share;
525 /* work out what server they are after */
526 smbw_parse_path(fname, server, share, path);
528 /* get a connection to the server */
529 srv = smbw_server(server, share);
531 /* smbw_server sets errno */
535 if (!cli_rmdir(&srv->cli, path)) {
536 errno = smbw_errno(&srv->cli);
549 /*****************************************************
550 a wrapper for getcwd()
551 *******************************************************/
552 char *smbw_getcwd(char *buf, size_t size)
557 return (char *)real_getcwd(buf, size);
563 if (size <= 0) size = strlen(smbw_cwd)+1;
564 buf = (char *)malloc(size);
572 if (strlen(smbw_cwd) > size-1) {
578 safe_strcpy(buf, smbw_cwd, size);
584 /*****************************************************
585 a wrapper for fchdir()
586 *******************************************************/
587 int smbw_fchdir(unsigned int fd)
589 struct smbw_dir *dir;
597 return chdir(dir->path);
600 ret = real_fchdir(fd);
609 /*****************************************************
610 open a directory on the server
611 *******************************************************/
612 DIR *smbw_opendir(const char *fname)
618 fd = smbw_dir_open(fname);
627 return (DIR *)smbw_dir(fd);
630 /*****************************************************
631 read one entry from a directory
632 *******************************************************/
633 struct dirent *smbw_readdir(DIR *dirp)
635 struct smbw_dir *d = (struct smbw_dir *)dirp;
641 if (smbw_getdents(d->fd, &dbuf.de, DIRP_SIZE) > 0)
647 /*****************************************************
649 *******************************************************/
650 int smbw_closedir(DIR *dirp)
652 struct smbw_dir *d = (struct smbw_dir *)dirp;
653 return smbw_close(d->fd);
656 /*****************************************************
658 *******************************************************/
659 void smbw_seekdir(DIR *dirp, off_t offset)
661 struct smbw_dir *d = (struct smbw_dir *)dirp;
662 smbw_dir_lseek(d->fd,offset, SEEK_SET);
665 /*****************************************************
666 current loc in a directory
667 *******************************************************/
668 off_t smbw_telldir(DIR *dirp)
670 struct smbw_dir *d = (struct smbw_dir *)dirp;
671 return smbw_dir_lseek(d->fd,0,SEEK_CUR);