2 Unix SMB/CIFS implementation.
3 SMB wrapper directory functions
4 Copyright (C) Andrew Tridgell 1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "realcalls.h"
24 extern pstring smbw_cwd;
25 extern fstring smbw_prefix;
27 static struct smbw_dir *smbw_dirs;
29 extern struct bitmap *smbw_file_bmap;
33 /*****************************************************
34 map a fd to a smbw_dir structure
35 *******************************************************/
36 struct smbw_dir *smbw_dir(int fd)
40 for (dir=smbw_dirs;dir;dir=dir->next) {
41 if (dir->fd == fd) return dir;
46 /*****************************************************
47 check if a DIR* is one of ours
48 *******************************************************/
49 int smbw_dirp(DIR *dirp)
51 struct smbw_dir *d = (struct smbw_dir *)dirp;
54 for (dir=smbw_dirs;dir;dir=dir->next) {
55 if (dir == d) return 1;
60 /*****************************************************
61 free a smbw_dir structure and all entries
62 *******************************************************/
63 static void free_dir(struct smbw_dir *dir)
73 static struct smbw_dir *cur_dir;
75 /*****************************************************
76 add a entry to a directory listing
77 *******************************************************/
78 static void smbw_dir_add(struct file_info *finfo, const char *mask,
81 struct file_info *cdl;
83 DEBUG(5,("%s\n", finfo->name));
85 if (cur_dir->malloced == cur_dir->count) {
86 cdl = (struct file_info *)Realloc(cur_dir->list,
87 sizeof(cur_dir->list[0])*
88 (cur_dir->count+100));
94 cur_dir->malloced += 100;
97 cur_dir->list[cur_dir->count] = *finfo;
101 /*****************************************************
102 add a entry to a directory listing
103 *******************************************************/
104 static void smbw_share_add(const char *share, uint32 type,
105 const char *comment, void *state)
107 struct file_info finfo;
109 if (strcmp(share,"IPC$") == 0) return;
113 pstrcpy(finfo.name, share);
114 finfo.mode = aRONLY | aDIR;
116 smbw_dir_add(&finfo, NULL, NULL);
120 /*****************************************************
121 add a server to a directory listing
122 *******************************************************/
123 static void smbw_server_add(const char *name, uint32 type,
124 const char *comment, void *state)
126 struct file_info finfo;
130 pstrcpy(finfo.name, name);
131 finfo.mode = aRONLY | aDIR;
133 smbw_dir_add(&finfo, NULL, NULL);
137 /*****************************************************
138 add a entry to a directory listing
139 *******************************************************/
140 static void smbw_printjob_add(struct print_job_info *job)
142 struct file_info finfo;
146 pstrcpy(finfo.name, job->name);
147 finfo.mode = aRONLY | aDIR;
148 finfo.mtime = job->t;
149 finfo.atime = job->t;
150 finfo.ctime = job->t;
151 finfo.uid = nametouid(job->user);
153 finfo.size = job->size;
155 smbw_dir_add(&finfo, NULL, NULL);
159 /*****************************************************
160 open a directory on the server
161 *******************************************************/
162 int smbw_dir_open(const char *fname)
164 fstring server, share;
166 struct smbw_server *srv=NULL;
167 struct smbw_dir *dir=NULL;
179 /* work out what server they are after */
180 s = smbw_parse_path(fname, server, share, path);
182 DEBUG(4,("dir_open share=%s\n", share));
184 /* get a connection to the server */
185 srv = smbw_server(server, share);
187 /* smbw_server sets errno */
191 dir = (struct smbw_dir *)malloc(sizeof(*dir));
201 slprintf(mask, sizeof(mask)-1, "%s\\*", path);
202 all_string_sub(mask,"\\\\","\\",0);
204 if ((p=strstr(srv->server_name,"#01"))) {
206 smbw_server_add(".",0,"", NULL);
207 smbw_server_add("..",0,"", NULL);
208 smbw_NetServerEnum(&srv->cli, srv->server_name,
209 SV_TYPE_DOMAIN_ENUM, smbw_server_add, NULL);
211 } else if ((p=strstr(srv->server_name,"#1D"))) {
212 DEBUG(4,("doing NetServerEnum\n"));
214 smbw_server_add(".",0,"", NULL);
215 smbw_server_add("..",0,"", NULL);
216 smbw_NetServerEnum(&srv->cli, srv->server_name, SV_TYPE_ALL,
217 smbw_server_add, NULL);
219 } else if ((strcmp(srv->cli.dev,"IPC") == 0) || (strcasecmp(share,"IPC$") == 0)) {
220 DEBUG(4,("doing NetShareEnum\n"));
221 smbw_share_add(".",0,"", NULL);
222 smbw_share_add("..",0,"", NULL);
223 if (smbw_RNetShareEnum(&srv->cli, smbw_share_add, NULL) < 0) {
224 errno = smbw_errno(&srv->cli);
227 } else if (strncmp(srv->cli.dev,"LPT",3) == 0) {
228 smbw_share_add(".",0,"", NULL);
229 smbw_share_add("..",0,"", NULL);
230 if (cli_print_queue(&srv->cli, smbw_printjob_add) < 0) {
231 errno = smbw_errno(&srv->cli);
236 if (strcmp(path,"\\") == 0) {
237 smbw_share_add(".",0,"");
238 smbw_share_add("..",0,"");
241 if (cli_list(&srv->cli, mask, aHIDDEN|aSYSTEM|aDIR,
242 smbw_dir_add, NULL) < 0) {
243 errno = smbw_errno(&srv->cli);
250 fd = open(SMBW_DUMMY, O_WRONLY);
256 if (bitmap_query(smbw_file_bmap, fd)) {
257 DEBUG(0,("ERROR: fd used in smbw_dir_open\n"));
262 DLIST_ADD(smbw_dirs, dir);
264 bitmap_set(smbw_file_bmap, fd);
268 dir->path = strdup(s);
270 DEBUG(4,(" -> %d\n", dir->count));
280 /*****************************************************
281 a wrapper for fstat() on a directory
282 *******************************************************/
283 int smbw_dir_fstat(int fd, struct stat *st)
285 struct smbw_dir *dir;
295 smbw_setup_stat(st, "", dir->count*DIRP_SIZE, aDIR);
297 st->st_dev = dir->srv->dev;
302 /*****************************************************
303 close a directory handle
304 *******************************************************/
305 int smbw_dir_close(int fd)
307 struct smbw_dir *dir;
315 bitmap_clear(smbw_file_bmap, dir->fd);
318 DLIST_REMOVE(smbw_dirs, dir);
325 /*****************************************************
326 a wrapper for getdents()
327 *******************************************************/
328 int smbw_getdents(unsigned int fd, struct dirent *dirp, int count)
330 struct smbw_dir *dir;
342 while (count>=DIRP_SIZE && (dir->offset < dir->count)) {
343 #if HAVE_DIRENT_D_OFF
344 dirp->d_off = (dir->offset+1)*DIRP_SIZE;
346 dirp->d_reclen = DIRP_SIZE;
347 fstrcpy(&dirp->d_name[0], dir->list[dir->offset].name);
348 dirp->d_ino = smbw_inode(dir->list[dir->offset].name);
350 count -= dirp->d_reclen;
351 #if HAVE_DIRENT_D_OFF
352 if (dir->offset == dir->count) {
356 dirp = (struct dirent *)(((char *)dirp) + DIRP_SIZE);
365 /*****************************************************
366 a wrapper for chdir()
367 *******************************************************/
368 int smbw_chdir(const char *name)
370 struct smbw_server *srv;
371 fstring server, share;
379 len = strlen(smbw_prefix);
381 if (smbw_busy) return real_chdir(name);
390 DEBUG(4,("smbw_chdir(%s)\n", name));
392 /* work out what server they are after */
393 cwd = smbw_parse_path(name, server, share, path);
395 /* a special case - accept cd to /smb */
396 if (strncmp(cwd, smbw_prefix, len-1) == 0 &&
401 if (strncmp(cwd,smbw_prefix,strlen(smbw_prefix))) {
402 if (real_chdir(cwd) == 0) {
408 /* get a connection to the server */
409 srv = smbw_server(server, share);
411 /* smbw_server sets errno */
415 if (strncmp(srv->cli.dev,"IPC",3) &&
416 strcasecmp(share, "IPC$") &&
417 strncmp(srv->cli.dev,"LPT",3) &&
418 !smbw_getatr(srv, path,
419 &mode, NULL, NULL, NULL, NULL, NULL)) {
420 errno = smbw_errno(&srv->cli);
424 if (!(mode & aDIR)) {
430 /* we don't want the old directory to be busy */
435 DEBUG(4,("set SMBW_CWD to %s\n", cwd));
437 pstrcpy(smbw_cwd, cwd);
448 /*****************************************************
449 a wrapper for lseek() on directories
450 *******************************************************/
451 off_t smbw_dir_lseek(int fd, off_t offset, int whence)
453 struct smbw_dir *dir;
464 dir->offset = offset/DIRP_SIZE;
467 dir->offset += offset/DIRP_SIZE;
470 dir->offset = (dir->count * DIRP_SIZE) + offset;
471 dir->offset /= DIRP_SIZE;
475 ret = dir->offset * DIRP_SIZE;
477 DEBUG(4,(" -> %d\n", (int)ret));
483 /*****************************************************
484 a wrapper for mkdir()
485 *******************************************************/
486 int smbw_mkdir(const char *fname, mode_t mode)
488 struct smbw_server *srv;
489 fstring server, share;
501 /* work out what server they are after */
502 smbw_parse_path(fname, server, share, path);
504 /* get a connection to the server */
505 srv = smbw_server(server, share);
507 /* smbw_server sets errno */
511 if (!cli_mkdir(&srv->cli, path)) {
512 errno = smbw_errno(&srv->cli);
524 /*****************************************************
525 a wrapper for rmdir()
526 *******************************************************/
527 int smbw_rmdir(const char *fname)
529 struct smbw_server *srv;
530 fstring server, share;
542 /* work out what server they are after */
543 smbw_parse_path(fname, server, share, path);
545 /* get a connection to the server */
546 srv = smbw_server(server, share);
548 /* smbw_server sets errno */
552 if (!cli_rmdir(&srv->cli, path)) {
553 errno = smbw_errno(&srv->cli);
566 /*****************************************************
567 a wrapper for getcwd()
568 *******************************************************/
569 char *smbw_getcwd(char *buf, size_t size)
574 return (char *)real_getcwd(buf, size);
580 if (size <= 0) size = strlen(smbw_cwd)+1;
581 buf = (char *)malloc(size);
589 if (strlen(smbw_cwd) > size-1) {
595 safe_strcpy(buf, smbw_cwd, size);
601 /*****************************************************
602 a wrapper for fchdir()
603 *******************************************************/
604 int smbw_fchdir(unsigned int fd)
606 struct smbw_dir *dir;
614 return chdir(dir->path);
617 ret = real_fchdir(fd);
626 /*****************************************************
627 open a directory on the server
628 *******************************************************/
629 DIR *smbw_opendir(const char *fname)
635 fd = smbw_dir_open(fname);
644 return (DIR *)smbw_dir(fd);
647 /*****************************************************
648 read one entry from a directory
649 *******************************************************/
650 struct dirent *smbw_readdir(DIR *dirp)
652 struct smbw_dir *d = (struct smbw_dir *)dirp;
658 if (smbw_getdents(d->fd, &dbuf.de, DIRP_SIZE) > 0)
664 /*****************************************************
666 *******************************************************/
667 int smbw_closedir(DIR *dirp)
669 struct smbw_dir *d = (struct smbw_dir *)dirp;
670 return smbw_close(d->fd);
673 /*****************************************************
675 *******************************************************/
676 void smbw_seekdir(DIR *dirp, off_t offset)
678 struct smbw_dir *d = (struct smbw_dir *)dirp;
679 smbw_dir_lseek(d->fd,offset, SEEK_SET);
682 /*****************************************************
683 current loc in a directory
684 *******************************************************/
685 off_t smbw_telldir(DIR *dirp)
687 struct smbw_dir *d = (struct smbw_dir *)dirp;
688 return smbw_dir_lseek(d->fd,0,SEEK_CUR);